10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-Q

xQUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended March 31, 2015

OR

¨TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from ________to________

Commission file number: 001-35418

EPAM SYSTEMS, INC.

(Exact Name of Registrant as Specified in its Charter)

Delaware	223536104
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification No.)
41 University Drive, Suite 202 Newtown, Pennsylvania	18940
(Address of principal executive offices)	(Zip code)

267-759-9000

(Registrant’s telephone number, including area code)

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.    Yes  x No  ¨

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files).    Yes  x No  ¨

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting company. See the definitions of “large accelerated filer,” “accelerated filer” and “smaller reporting company” in Rule 12b-2 of the Exchange Act. (Check one):

Large accelerated filer	x	Accelerated filer	¨
Non-accelerated filer	¨ (Do not check if a smaller reporting company)	Smaller reporting company	¨

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).    Yes  ¨    No   x

Indicate the number of shares outstanding of each of the issuer’s classes of common stock, as of the latest practicable date.

Title of Each Class	Outstanding as of April 30, 2015
Common Stock, par value $0.001 per share	48,905,023 shares

EPAM SYSTEMS, INC.

FORM 10-Q

FOR THE PERIOD ENDED MARCH 31, 2015

TABLE OF CONTENTS

	Page
PART I. FINANCIAL INFORMATION	3
Item 1. Financial Statements (Unaudited)	3
Condensed Consolidated Balance Sheets as of March 31, 2015 and December 31, 2014	3
Condensed Consolidated Statements of Income and Comprehensive Income for the Three Months Ended March 31, 2015 and 2014	4
Condensed Consolidated Statements of Cash Flows for the Three Months Ended March 31, 2015 and 2014	5
Notes to Condensed Consolidated Financial Statements	6
Item 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations	22
Item 3. Quantitative and Qualitative Disclosures About Market Risk	37
Item 4. Controls and Procedures	39
PART II. OTHER INFORMATION	39
Item 1. Legal Proceedings	39
Item 1A. Risk Factors	39
Item 2. Unregistered Sales of Equity Securities and Use of Proceeds	39
Item 3. Defaults Upon Senior Securities	39
Item 4. Mine Safety Disclosures	39
Item 5. Other Information	39
Item 6. Exhibits	40
SIGNATURES	41

PART I. FINANCIAL INFORMATION

Item 1. Financial Statements (Unaudited)

EPAM SYSTEMS INC. AND SUBSIDIARIES

CONDENSED CONSOLIDATED BALANCE SHEETS

(Unaudited)

(US Dollars in thousands, except share and per share data)

	As of    March 31,   2015			As of    December 31,   2014
Assets
Current assets
Cash and cash equivalents	$	192,363		$	220,534
Time deposits	30,000			—
Accounts receivable, net of allowance of $2,618 and $2,181, respectively	104,714			124,483
Unbilled revenues	88,033			55,851
Prepaid and other current assets	14,390			9,289
Employee loans, net of allowance of $0 and $0, respectively, current	2,498			2,434
Deferred tax assets, current	1,817			2,496
Total current assets	433,815			415,087
Property and equipment, net	55,115			55,134
Restricted cash, long-term	114			156
Employee loans, net of allowance of $0 and $0, respectively, long-term	3,806			4,081
Intangible assets, net	45,091			47,689
Goodwill	56,346			57,417
Deferred tax assets, long-term	11,453			11,094
Other long-term assets	3,794			3,368
Total assets	$	609,534		$	594,026
Liabilities
Current liabilities
Accounts payable	$	13,366		$	4,641
Accrued expenses and other liabilities	20,579			32,203
Deferred revenue, current	3,061			3,220
Due to employees	29,870			24,518
Taxes payable	16,005			24,704
Contingent consideration, current (Note 2 and 4)	33,919			35,524
Contingent liability, current (Note 9)	92			—
Deferred tax liabilities, current	705			603
Total current liabilities	117,597			125,413
Deferred tax liabilities, long-term	4,106			4,563
Total liabilities	121,703			129,976
Commitments and contingencies (Note 9)
Stockholders’ equity
Common stock, $0.001 par value; 160,000,000 authorized; 49,111,297 and 48,748,298 shares issued, 48,692,313 and 48,303,811 shares outstanding at March 31, 2015 and December 31, 2014, respectively	48			48
Additional paid-in capital	241,066			229,501
Retained earnings	275,312			260,598
Treasury stock	(3,811		)	(4,043		)
Accumulated other comprehensive loss	(24,784		)	(22,054		)
Total stockholders’ equity	487,831			464,050
Total liabilities and stockholders’ equity	$	609,534		$	594,026

The accompanying notes are an integral part of the unaudited condensed consolidated financial statements.

3

EPAM SYSTEMS INC. AND SUBSIDIARIES

CONDENSED CONSOLIDATED STATEMENTS OF INCOME AND COMPREHENSIVE INCOME

(Unaudited)

(US Dollars inthousands, except share and per share data)

	Three Months Ended   March 31,
	2015			2014
Revenues	$	200,045		$	160,384
Operating expenses:
Cost of revenues (exclusive of depreciation and amortization)	125,887			102,454
Selling, general and administrative expenses	46,938			32,359
Depreciation and amortization expense	4,200			3,689
Other operating expenses, net	200			25
Income from operations	22,820			21,857
Interest and other income, net	1,158			976
Foreign exchange loss	(5,754		)	(1,241		)
Income before provision for income taxes	18,224			21,592
Provision for income taxes	3,510			4,228
Net income	$	14,714		$	17,364
Foreign currency translation adjustments	(2,730		)	(3,577		)
Comprehensive income	$	11,984		$	13,787
Net income per share:
Basic	$	0.31		$	0.37
Diluted	$	0.29		$	0.35
Shares used in calculation of net income per share:
Basic	47,886			46,797
Diluted	51,000			49,207

The accompanying notes are an integral part of the unaudited condensed consolidated financial statements.

4

EPAM SYSTEMS INC. AND SUBSIDIARIES

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS

(Unaudited)

(US Dollars in thousands)	Three Months Ended   March 31,
	2015			2014
Cash flows from operating activities:
Net income	$	14,714		$	17,364
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	4,200			3,689
Bad debt expense	514			368
Deferred taxes	95			97
Stock-based compensation expense	9,134			3,208
Excess tax benefit on stock-based compensation plans	(436		)	(995		)
Other	4,964			294
Changes in operating assets and liabilities:
(Increase)/ decrease in operating assets:
Accounts receivable	15,262			4,908
Unbilled revenues	(32,261		)	(15,611		)
Prepaid expenses and other assets	48			939
Increase/ (decrease) in operating liabilities:
Accounts payable	9,669			8,563
Accrued expenses and other liabilities	(10,374		)	(7,908		)
Deferred revenues	(9		)	265
Due to employees	3,224			4,711
Taxes payable	(11,873		)	(3,704		)
Net cash provided by operating activities	6,871			16,188
Cash flows from investing activities:
Purchases of property and equipment	(1,873		)	(2,157		)
Payment for construction of corporate facilities	(1,591		)	(1,488		)
Employee housing loans issued	(266		)	(294		)
Proceeds from repayments of employee housing loans	518			419
Increase in restricted cash and time deposits, net	(29,959		)	(5,387		)
Increase in other long-term assets, net	(681		)	(350		)
Acquisition of businesses, net of cash acquired (Note 2)	(30		)	(2,419		)
Net cash used in investing activities	(33,882		)	(11,676		)
Cash flows from financing activities:
Proceeds related to stock options exercises	3,855			2,139
Excess tax benefit on stock-based compensation plans	436			995
Acquisition of business, deferred consideration (Note 2)	(2,801		)	—
Net cash provided by financing activities	1,490			3,134
Effect of exchange rate changes on cash and cash equivalents	(2,650		)	(2,787		)
Net increase/ (decrease) in cash and cash equivalents	(28,171		)	4,859
Cash and cash equivalents, beginning of period	220,534			169,207
Cash and cash equivalents, end of period	$	192,363		$	174,066

The accompanying notes are an integral part of the unaudited condensed consolidated financial statements.

5

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

(US Dollars inthousands, except share and per share data)

1. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

EPAM is a leading global provider of complex software engineering solutions and information technology ("IT") services to clients throughout North America, Western and Eastern Europe, Russia and Asia. The Company serves primarily Fortune Global 2000 companies in various industries with the main focus on Independent Software Vendors (“ISVs”) and technology, banking and financial services, business information and media, and travel and hospitality. Other industries include retail, energy, life sciences, healthcare, telecommunications, and government.

The Company is incorporated in Delaware with headquarters in Newtown, PA, with multiple delivery centers located in Belarus, Ukraine, Russia, Hungary, Kazakhstan, Bulgaria, China, Armenia and Poland, and client management locations in the United States, Canada, the United Kingdom, Germany, Sweden, Switzerland, Netherlands, Russia, Kazakhstan, Singapore, China, Hong Kong and Australia.

Basis of Presentation —The accompanying unaudited condensed consolidated financial statements ("financial statements") of EPAM Systems, Inc. (the “Company” or “EPAM”) have been prepared in accordance with generally accepted accounting principles in the United States ("GAAP") and Article 10 of Regulation S-X under the Securities Exchange Act of 1934, as amended. The condensed consolidated financial statements include the financial statements of EPAM Systems, Inc. and its subsidiaries with all intercompany balances and transactions eliminated.

These unaudited condensed consolidated financial statements and accompanying notes should be read in conjunction with the Company’s audited consolidated financial statements and the notes thereto for the year ended December 31, 2014 included in its Annual Report on Form 10-K. The preparation of these condensed consolidated financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the amounts reported in these condensed consolidated financial statements and accompanying notes. Actual results could differ from those estimates, and such differences may be material to the financial statements. Additionally, operating results for the interim periods are not necessarily indicative of results that may be expected to occur for the entire year.

Revenue Recognition — The Company recognizes revenue when the following criteria are met: (1) persuasive evidence of an arrangement exists; (2) delivery has occurred; (3) the sales price is fixed or determinable; and (4) collectability is reasonably assured. Determining whether and when some of these criteria have been satisfied often involves assumptions and judgments that can have a significant impact on the timing and amount of revenue reported.

The Company derives its revenues from a variety of service offerings, which represent specific competencies of its IT professionals. Contracts for these services have different terms and conditions based on the scope, deliverables, and complexity of the engagement, which require management to make judgments and estimates in determining appropriate revenue recognition pattern. Fees for these contracts may be in the form of time-and-materials or fixed-price arrangements. If there is an uncertainty about the project completion or receipt of payment for the consulting services, revenue is deferred until the uncertainty is sufficiently resolved. At the time revenue is recognized, the Company provides for any contractual deductions and reduces the revenue accordingly. The Company reports gross reimbursable “out-of-pocket” expenses incurred as both revenues and cost of revenues in the condensed consolidated statements of income and comprehensive income.

The Company defers amounts billed to its clients for revenues not yet earned. Such amounts are anticipated to be recorded as revenues as services are performed in subsequent periods. Unbilled revenues represent services provided, which are billed subsequent to the period end in accordance with the contract terms.

Fair Value of Financial Instruments — The Company makes significant assumptions about fair values of its financial assets and liabilities in accordance with FASB Accounting Standards Codification (ASC) Topic 820 and utilizes the following fair value hierarchy in determining inputs used for valuation:

Level 1 — Quoted prices for identical assets or liabilities in active markets.

Level 2 — Inputs other than quoted prices within Level 1 that are observable either directly or indirectly, including quoted prices in markets that are not active, quoted prices in active markets for similar assets or liabilities, and observable inputs other than quoted prices such as interest rates or yield curves.

Level 3 — Unobservable inputs reflecting our view about the assumptions that market participants would use in pricing the asset or liability.

6

Where the fair values of financial assets and liabilities recorded in the consolidated balance sheets cannot be derived from an active market, they are determined using a variety of valuation techniques. These valuation techniques include a net present value technique, comparison to similar instruments with market observable inputs, options pricing models and other relevant valuation models. To the extent possible, observable market data is used as inputs into these models but when it is not feasible, a degree of judgment is required to establish fair values.

Financial Assets and Liabilities Measured At Fair Value on a Recurring Basis

The Company had no assets or liabilities measured at fair value on a recurring basis as of March 31, 2015 and December 31, 2014, other than contingent liabilities in connection with the acquisitions of businesses.

At March 31, 2015, contingent liabilities measured at fair value on a recurring basis comprised contingent consideration payable in cash and stock, and performance-based awards issued to certain former owners of the acquired businesses in exchange for future services. Contingent liabilities are valued using significant inputs that are not observable in the market, which are defined as Level 3 inputs according to fair value measurement accounting. The Company estimates the fair value of contingent liabilities based on certain performance milestones of the acquired businesses and estimated probabilities of achievement, then discounts the liabilities to present value using the Company’s cost of debt for the cash component of contingent consideration, and risk free rate for the stock component of a contractual contingency.

The Company believes its estimates and assumptions are reasonable, however, there is significant judgment involved. Changes in the fair value of contingent consideration liabilities primarily result from changes in the timing and amount of specific milestone estimates and changes in probability assumptions with respect to the likelihood of achieving the various earnout criteria. These changes could cause a material impact to, and volatility in the Company’s operating results.

Financial Assets and Liabilities Measured At Fair Value on a Non-Recurring Basis

The amounts of the Company’s financial assets and liabilities, with the exceptions of employee housing loans and other employee loans described further herein, approximate fair value because of their short-term maturities.

See Note 4 for disclosures related to fair value.

Employee Loans — The Company issues employee housing loans in Belarus and relocation loans to assist employees with relocation needs in connection with intra-company transfers. There are no loans issued to principal officers, directors, and their affiliates.

On a quarterly basis, the Company reviews the aging of its loan portfolio to evaluate information about the ability of employees to service their debt, including historical payment experience, reasons for payment delays and shortfalls, if any, as well as probability of collecting scheduled principal and interest payments based on the knowledge of individual borrowers, among other factors. Since the initiation of the loan program there have not been material past due or non-accrual employee loans or write offs related to loan losses and, therefore, the Company determined that no allowance for loan losses is required.

Employee Housing Loans — In the third quarter of 2012, the Board of Directors of the Company approved the Employee Housing Program (the “Housing Program”), which assists employees with purchasing housing in Belarus in a form of a loan. The Housing Program was designed to be a retention mechanism for the Company’s employees in Belarus and is available to full-time qualified employees who have been with the Company for at least 3 years. The aggregate maximum lending limit of the program is $10,000, with individual loans not exceeding $50. The housing is sold directly to employees by independent third parties. Loans issued under the Housing Program are denominated in U.S. Dollars with a 5-year term and an interest rate of 7.5%.

The housing loans were classified as Level 3 measurements within the fair value hierarchy because they were valued using significant unobservable inputs. The estimated fair value of these housing loans upon initial recognition was computed by projecting the future contractual cash flows to be received from the loans and discounting those projected net cash flows to a present value, which is the estimated fair value (the “Income Approach”). In applying the Income Approach, the Company analyzed similar loans offered by third-party financial institutions in Belarusian Rubles (“BYR”) and adjusted the interest rates charged on such loans to exclude the effects of underlying economic factors, such as inflation and currency devaluation. The Company also assessed the probability of future defaults and associated cash flows impact. In addition, the Company separately analyzed the rate of return that market participants in Belarus would require when investing in unsecured USD-denominated government bonds with similar maturities (a “risk-free rate”) and evaluated a risk premium component to compensate the market participants for the credit and liquidity risks inherent in the loans’ cash flows. As a result of the analysis performed, the Company determined the carrying values of the housing loans issued during the three months ended March 31, 2015 approximated their fair values upon initial recognition. The Company also estimated the fair values of the housing loans that were outstanding as of March 31, 2015 using the inputs noted above and determined their fair values approximated the carrying values as of that date.

7

Employee Loans, Other — The Company issues short-term, non-interest bearing relocation loans to employees that relocated within the company. Due to the short term of employee loans and high certainty of repayment, their carrying amount is a reasonable estimate of their fair value.

Business Combinations — The Company accounts for its business combinations using the acquisition accounting method, which requires it to determine the fair value of net assets acquired and the related goodwill and other intangible assets in accordance with FASB Accounting Standards Codification Topic 805. The Company identifies and attributes fair values and estimated lives to the intangible assets acquired and allocates the total cost of an acquisition to the underlying net assets based on their respective estimated fair values. Determining the fair value of assets acquired and liabilities assumed requires management’s judgment and involves the use of significant estimates, including projections of future cash inflows and outflows, discount rates, asset lives and market multiples. There are different valuation models for each component, the selection of which requires considerable judgment. These determinations will affect the amount of amortization expense recognized in future periods. The Company bases its fair value estimates on assumptions it believes are reasonable, but recognizes that the assumptions are inherently uncertain.

If initial accounting for the business combination has not been completed by the end of the reporting period in which the business combination occurs, provisional amounts are reported for which the accounting is incomplete, with retrospective adjustment made to such provisional amounts during the measurement period to present new information about facts and circumstances that existed as of the acquisition date. Once the measurement period ends, and in no case beyond one year from the acquisition date, revisions of the accounting for the business combination are recorded in earnings.

All acquisition-related costs, other than the costs to issue debt or equity securities, are accounted for as expenses in the period in which they are incurred. Changes in fair value of contingent consideration arrangements that are not measurement period adjustments are recognized in earnings. Payments to settle contingent consideration, if any, are reflected in cash flows from financing activities and the changes in fair value are reflected in cash flows from operating activities in the Company’s condensed consolidated statements of cash flows.

The Company’s acquisitions usually do not have significant amounts of tangible assets, as the principal assets typically acquired are customer relationships, trade names, non-competition agreements, and workforce. As a result, a substantial portion of the purchase price is allocated to goodwill and other intangible assets.

Goodwill and Other Intangible Assets — Goodwill and intangible assets that have indefinite useful lives are treated consistently with ASC 350. They are tested annually for impairment and are not amortized.

Intangible assets that have finite useful lives are amortized over their estimated useful lives on a straight-line basis. When facts and circumstances indicate potential impairment of amortizable intangible assets, the Company evaluates the recoverability of the asset’s carrying value, using estimates of undiscounted future cash flows that utilize a discount rate determined by its management to be commensurate with the risk inherent in the Company’s business model over the remaining asset life. The estimates of future cash flows attributable to intangible assets require significant judgment based on the Company’s historical and anticipated results. Any impairment loss is measured by the excess of carrying value over fair value.

Stock-Based Compensation — The Company recognizes the cost of its share-based incentive awards based on the fair value of the award at the date of grant net of estimated forfeitures. The cost is expensed evenly over the service period. The service period is the period over which the employee performs the related services, which is normally the same as the vesting period. Over time, the forfeiture assumption is adjusted to the actual forfeiture rate and such change may affect the timing of the total amount of expense recognized over the vesting period. Equity-based awards that do not require future service are expensed immediately. Equity-based awards that do not meet the criteria for equity classification are recorded as liabilities and adjusted to fair value at the end of each reporting period.

Off-Balance Sheet Financial Instruments — Include credit instruments, such as commitments to make employee loans and related guarantees, standby letters of credit and guarantees issued under customer contracts. The face amount for these items represents the exposure to loss, before considering available collateral or the borrower’s ability to repay. Such financial instruments are recorded when they are funded. Loss contingencies arising from off-balance sheet credit exposures are recorded as liabilities when the likelihood of loss is probable and an amount or range of loss can be reasonably estimated. The Company does not believe there are such matters that will have a material effect on the consolidated financial statements.

8

2. ACQUISITIONS

The four acquisitions completed during 2014 allowed the Company to expand into desirable geographic locations, complement the existing vertical markets, increase revenue and create new offerings of services currently provided. The Company used the acquisition method for recording business combinations to account for these acquisitions. Acquisitions were settled in cash and/or stock where a portion of the settlement price may be deferred. In some cases, purchase agreements contain contingent consideration in a form of an earnout obligation. The table below discloses respective details of each acquisition.

Name of Acquisition	Effective Date of Acquisition	Common Shares		Fair Value of Common Shares				Cash, Net of Working Capital and Other Adjustments				Recorded Earnout Payable				Total Recorded Purchase Price		Maximum Potential Earnout Payable
		Issued	Deferred	Issued		Deferred		Paid		Deferred		Cash		Stock
		(in shares)		(in thousands)
Netsoft	March 5, 2014	—	—	$	—	$	—	$	2,403	$	1,022	$	1,825	$	—	$	5,250	$	1,825
Jointech	April 30, 2014	—	89,552	—		2,788		10,000		4,000		15,000		5,000		36,788		20,000
GGA (1)	June 6, 2014	—	—	—		—		14,892		—		11,400		—		26,292
Great Fridays	October 31, 2014	—	—	—		—		10,777		—		1,173		—		11,950		1,173
		—	89,552	$	—	$	2,788	$	38,072	$	5,022	$	29,398	$	5,000	$	80,280

(1) The amount of the maximum potential earnout payable to GGA, if any, is not limited based on the terms of the purchase agreement.

Common shares issued in connection with acquisitions are valued at closing market prices as of the effective date of the applicable acquisition. The maximum potential earnout payables disclosed in the foregoing table represent the maximum amount of additional consideration that could be paid pursuant to the terms of the purchase agreement for the applicable acquisition. The amounts recorded as earnout payables, which are based upon the estimated future operating results of the acquired businesses within a seven-to twelve-month period subsequent to the acquisition date, are measured at fair value as of the acquisition date and are included on that basis in the recorded purchase price consideration in the foregoing table. The Company will record subsequent changes in the fair value of the earnout obligations, if any, in its consolidated income from operations. Please see Note 4 for discussion around significant inputs and assumptions relating to the earnout obligation.

Netsoft — On March 5, 2014, the Company completed an acquisition of substantially all of the assets and assumed certain specific liabilities of U.S.-based healthcare technology consulting firm Netsoft Holdings, LLC and Armenia-based Ozsoft, LLC (collectively, “Netsoft”). As a result of this transaction, substantially all of the employees of Netsoft, including approximately 40 IT professionals, accepted employment with the Company. In connection with the Netsoft acquisition, the Company agreed to issue a total of 2,289 restricted shares of Company common stock as consideration for future services to key management and employees of Netsoft (the “Netsoft Closing Shares”). The Company agreed to pay deferred consideration, consisting partly of 9,154 restricted shares of Company common stock. During the quarter ended on March 31, 2015, the Company issued 16,349 restricted shares of Company common stock to Netsoft for achieving certain performance targets (collectively with the Netsoft Closing Shares, the “Netsoft Employment Shares”). The Netsoft Employment Shares vest in equal annual installments over a three-year period starting from the date of acquisition. The first such installment vested during the quarter ended March 31, 2015. All unvested shares will be forfeited upon termination of services by the Company for cause or by the employee other than for good reason. The Netsoft Employment Shares had an estimated value of $1,017 at the time of grant and were recorded as stock-based compensation expense over an associated service period of three years (Note 7). Under the terms of this agreement, all of the Netsoft Closing Shares, as well as $256, were placed in escrow for a period of 18 months as security for the indemnification obligations of the sellers under the asset purchase agreement.

9

Jointech — On April 30, 2014, the Company acquired all of the outstanding equity of Joint Technology Development Limited, a company organized under the laws of Hong Kong, including its wholly-owned subsidiaries Jointech Software (Shenzhen) Co., Ltd., a company organized under the laws of China, and Jointech Software Pte. Ltd., a company organized under the laws of Singapore (collectively, “Jointech”). Jointech provides strategic technology services to multi-national organizations in investment banking, wealth and asset management. As a result of this transaction, substantially all employees of Jointech, including approximately 216 IT professionals, accepted employment with the Company. In connection with the Jointech acquisition, the Company issued a total of 89,552 shares of the Company common stock to a former owner of Jointech as consideration for future services on or about the six-month anniversary from the date of acquisition (the “Jointech Closing Shares”). Furthermore, the Company will pay to that former owner up to a maximum of $5,000 in shares of Company common stock determined based on the average closing price per share for the 30-trading day period preceding April 1, 2015(collectively with the Jointech Closing Shares, the “Jointech Employment Shares”). The Jointech Employment Shares will vest in equal annual installments over a three-year period starting from the date of acquisition. All unvested Jointech Employment Shares will be forfeited upon termination of services for cause by the Company or other than for good reason (as applicable) by either of the two former owners of the acquired business. The aggregate fair value of the Jointech Employment Shares at the date of grant was $7,788 and will be recorded as stock-based compensation expense over an associated service period of three years (Note 7).

Under the terms of the agreement, 15% of the total purchase price, in cash and stock, including the Jointech Employment Shares, was placed in an escrow account for a period of 18 months as security for the indemnification obligations of the sellers under the stock purchase agreement.

GGA — On June 6, 2014, the Company acquired substantially all of the assets and assumed certain specific liabilities of GGA Software Services, LLC, Institute of Theoretical Chemistry, Inc., and GGA’s Russian affiliate (collectively, “GGA”). Established in 1994, GGA develops scientific informatics applications and content databases; creates state-of-the-art algorithms and models; and delivers IT support, maintenance, and QA services to the world’s leading healthcare and life sciences companies. As a result of this transaction, substantially all employees of GGA, including approximately 329 IT professionals and 126 scientists, accepted employment with the Company. In connection with the GGA acquisition, the Company agreed to issue a total of 262,277 shares of the Company common stock to the former owners of GGA as consideration for future services (the “GGA Closing Shares”). Furthermore, subject to attainment of specified performance targets, the Company will issue to the former owners of GGA shares of its common stock based on the formula provided in the purchase agreement (collectively with GGA Closing Shares, the “GGA Employment Shares”). The GGA Employment Shares will vest in equal annual installments over a three-year period starting from the date of acquisition. With respect to each former owner, all unvested shares will be forfeited upon either termination of services by the Company for cause or by the employee other than for good reason. The aggregate fair value of the GGA Employment Shares at the date of grant was $20,655 and will be recorded as stock-based expense over an associated service period of three years (Note 7). Under the terms of the agreement, a total of 102,631 of the GGA Employment Shares were placed into an escrow account as security for the indemnification obligations of the sellers under the asset purchase agreement.

Great Fridays — On October 31, 2014, the Company acquired all of the outstanding equity of Great Fridays Limited and its subsidiaries with intent to expand the Company's product and design service portfolio. Great Fridays Limited, headquartered in Manchester, UK, with offices in London, San Francisco and New York, focuses on bridging the gap between business and design. The acquisition of Great Fridays added approximately 50 creative design professionals to the Company's headcount. In connection with the Great Fridays acquisition, the Company agreed to issue a total of 90,864 shares of the Company common stock to the former owners of Great Fridays as consideration for future services (the “Great Fridays Closing Shares”). Furthermore, subject to attainment of specified performance targets, the Company will pay the former owners of Great Fridays up to a maximum of 10,092 shares of the Company common stock (collectively with Great Fridays Closing Shares, the “GF Employment Shares”). The GF Employment Shares will vest in equal annual installments over a three-year period starting from the date of acquisition. With respect to each former owner, all unvested shares will be forfeited upon either termination of services by the Company for cause or by the employee other than for good reason. The aggregate fair value of the GF Employment Shares at the date of grant was $4,823 and will be recorded as stock-based compensation expense over an associated service period of three years (Note 7). Under the terms of the agreement, a total of 28,390 of the GF Employment Shares were placed into an escrow account as security for the indemnification obligations of the sellers under the asset purchase agreement.

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The following is a summary of the estimated fair values of the net assets acquired at the date of each respective acquisition during the year ended December 31, 2014 as originally reported in the quarterly condensed consolidated financial statements and at March 31, 2015:

	Netsoft				Jointech				GGA				Great Fridays				Total
	As Originally Reported		As of    March 31,   2015		As Originally Reported		As of    March 31,   2015		As Originally Reported		As of    March 31,   2015		As Originally Reported		As of    March 31,   2015		As Originally Reported		As of    March 31,   2015
Cash and cash equivalents	$	—	$	—	$	871	$	871	$	—	$	—	$	259	$	259	$	1,130	$	1,130
Trade receivables and other current assets	788		788		784		784		5,157		5,377		1,825		1,825		8,554		8,774
Property and equipment and other long-term assets	52		52		338		338		444		444		262		262		1,096		1,096
Deferred tax asset	351		—		—		—		4,463		—		—		—		4,814		—
Acquired intangible assets	1,700		1,700		25,744		22,485		10,959		10,959		5,747		5,747		44,150		40,891
Goodwill	2,776		2,779		11,033		17,404		6,496		12,209		6,947		6,870		27,252		39,262
Total assets acquired	5,667		5,319		38,770		41,882		27,519		28,989		15,040		14,963		86,996		91,153
Accounts payable and accrued expenses	69		69		728		728		2,593		2,593		872		872		4,262		4,262
Deferred revenue	—		—		—		—		—		104		317		317		317		421
Due to employees	—		—		1,254		1,254		—		—		624		624		1,878		1,878
Deferred tax liability	—		—		—		3,112		—		—		1,200		1,200		1,200		4,312
Total liabilities assumed	69		69		1,982		5,094		2,593		2,697		3,013		3,013		7,657		10,873
Net assets acquired	$	5,598	$	5,250	$	36,788	$	36,788	$	24,926	$	26,292	$	12,027	$	11,950	$	79,339	$	80,280

As of March 31, 2015 the fair values of the assets acquired and liabilities assumed and the related purchase price allocation for the Netsoft acquisition have been finalized. For the remaining acquisitions the above estimated fair values of the assets acquired and liabilities assumed are provisional and based on the information that was available as of the acquisition date and updated for any changes as of March 31, 2015. During the period since the date of each respective acquisition the following updates were made to the initially reported balances.

For Netsoft, the deferred tax asset and goodwill were adjusted and decreased the net assets acquired by $348. For Jointech, intangible assets were adjusted to reflect the results of a preliminary valuation report obtained and a deferred tax liability was established, both increasing goodwill with no change to the net assets acquired. For GGA, additional accounts receivable and deferred revenue were recognized, deferred tax assets were netted with recognized deferred tax liabilities, and the final working capital adjustment was completed, which in aggregate increased the net assets acquired by $1,366. For Great Fridays, certain non-material adjustments were recognized, which decreased the net assets acquired by $77. These adjustments did not significantly impact previously reported financial results.

The Company is gathering additional information necessary to finalize the estimated fair values of intangible assets, deferred income taxes, contingent consideration and other amounts associated with the acquisitions for which the purchase price allocation has not been finalized as of March 31, 2015. The fair values reflected are subject to change. Such changes could be significant. The Company expects to finalize the valuation and complete the purchase price allocation as soon as practicable but no later than one year from the respective acquisition dates.

The following table presents the estimated fair values and useful lives of intangible assets acquired during the year ended March 31, 2015:

	Netsoft			Jointech			GGA			Great Fridays
	Weighted Average Useful Life (in years)	Amount		Weighted Average Useful Life (in years)	Amount		Weighted Average Useful Life (in years)	Amount		Weighted Average Useful Life (in years)	Amount
Customer relationships	10	$	1,700	10	$	22,173	10	$	10,959	10	$	5,747
Trade names	—	—		2	312		—	—		—	—
Total		$	1,700		$	22,485		$	10,959		$	5,747

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Aggregate revenues generated by the acquired companies for the three months ended March 31, 2015 and 2014 were approximately $12.8 million and $0.4 million, respectively, and are included in the condensed consolidated statements of operations for the reporting periods following the closing date of each acquisition. As of the quarter ended March 31, 2015, the acquired companies have been significantly integrated into the Company and as such, it is not possible to precisely report their individual results of operations. Additionally, pro forma results of operations for the acquisition transactions were not presented because the effects of the acquisitions would not have been material to the Company’s consolidated results of operation, individually or in the aggregate.

3.GOODWILL

Goodwill by reportable segment was as follows:

	North America			Europe			Total
Balance as of January 1, 2015	$	31,078		$	26,339		$	57,417
Netsoft purchase accounting adjustment (Note 2)	30			—			30
GGA purchase accounting adjustment (Note 2)	94			—			94
Great Fridays purchase accounting adjustment (Note 2)	—			(77		)	(77		)
Effect of net foreign currency exchange rate changes	(206		)	(912		)	(1,118		)
Balance as of March 31, 2015	$	30,996		$	25,350		$	56,346

Excluded from the table above is the Other and Russia segments. In 2011, the Company recorded an accumulated impairment loss of $1,697 in the Other operating segment. In the fourth quarter of 2014, the Company recorded an accumulated impairment loss of $2,241 for the Russia operating segment. All existing assets that related to the Russia segment, excluding goodwill and including any unrecognized intangible assets, were assessed by management and deemed not to be impaired.

There were no accumulated impairments losses in any of the North America or Europe operating segments as of March 31, 2015 or December 31, 2014.

4. FAIR VALUE MEASUREMENTS

As required by the guidance for fair value measurements, financial assets and liabilities are classified in their entirety based on the lowest level of input that is significant to the fair value measurement. Thus, assets and liabilities categorized as Level 3 may be measured at fair value using inputs that are observable (Levels 1 and 2) and unobservable (Level 3). Significant unobservable inputs used in the fair value measurement of contingent consideration related to business acquisitions are forecasts of expected future operating results of those businesses as developed by the Company’s management and the probability of achievement of those operating forecasts. Management’s assessment of the significance of a particular input to the fair value measurement requires judgment and may affect the valuation of assets and liabilities and their placement within the fair value hierarchy levels.

The following tables show the fair values of the Company’s financial liabilities measured at fair value on a recurring basis as of March 31, 2015 and December 31, 2014:

	March 31, 2015				December 31, 2014
	Balance		Level 3		Balance		Level 3
Contingent consideration	$	35,348	$	35,348	$	37,400	$	37,400
Performance-based equity awards	5,446		5,446		3,223		3,223
Total liabilities measured at fair value on a recurring basis	$	40,794	$	40,794	$	40,623	$	40,623

As of March 31, 2015 and December 31, 2014, contingent consideration and performance-based equity awards included amounts payable in cash and stock in connection with the acquisitions of businesses completed in the three months ended March 31, 2015 and year ended December 31, 2014 (Note 2).

Sensitivity to Changes in Significant Unobservable Inputs

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The fair value of the contingent consideration is based on the present value of the expected future payments to be made to the sellers of the acquired businesses in accordance with the provisions outlined in the respective purchase agreements. In determining fair value, the Company considered a variety of factors, including third party valuation experts and future performance of the acquired businesses using financial projections developed by the Company and market risk assumptions that were derived for revenue growth and/or earnings before interest, tax, and depreciation and amortization (“EBITDA”). The Company estimated future payments using the earnout formula and performance targets specified in each purchase agreement and adjusted those estimates to reflect the ability of the acquired entities to achieve the targets. It then discounted the payments to present value using the Company’s cost of debt for the cash component, and a risk-free rate for the stock component of the earnout for all of the Company’s 2014 acquisitions. Changes in financial projections, market risk assumptions for revenue growth and/or EBITDA, or the discount rates, would result in a change in the fair value of recorded contingent liabilities. In addition, inputs used in the valuation of the stock component of the earnout include term, stock price volatility, current stock price, and exercise price, with the Company current stock price factor being the input subject to the most variation. A significant increase in the Company stock price, in isolation, would result in a significantly higher fair value measurement. As the Company’s common stock does not have sufficient trading history, volatility was determined by measuring the volatility of a representative group of its peers, in conjunction with the volatility of the Company’s available trading history.

A reconciliation of the beginning and ending balances of acquisition-related contractual contingent liabilities using significant unobservable inputs (Level 3) for the three months ended March 31, 2015, was as follows:

	Amount
Contractual contingent liabilities at January 1, 2015	$	40,623
Liability-classified stock-based awards	1,347
Changes in fair value of contractual contingent liabilities included in earnings	875
Changes in fair value of contractual contingent liabilities recorded against goodwill	—
Effect of net foreign currency exchange rate changes	(226		)
Settlements of contractual contingent liabilities	(1,825		)
Contractual contingent liabilities at March 31, 2015	$	40,794

There were no transfers in or out of Level 3 from other levels in the fair value hierarchy during the three months ended March 31, 2015 and 2014. Changes in the values of the financial liabilities, if any, are recorded within other expense (income) in operating income on the Company’s condensed consolidated statements of income and comprehensive income.

5. LONG-TERM DEBT

On September 12, 2014, the Company entered into a credit facility (the “2014 Credit Facility”) with PNC Bank, National Association; Santander Bank, N.A; and Silicon Valley Bank (collectively the “Lenders”) to replace its former revolving loan agreement. The 2014 Credit Facility provides for a borrowing capacity of $100,000, with potential to increase the credit facility up to $200,000 if certain conditions are met. The 2014 Credit Facility matures on September 12, 2019.

Borrowings under the 2014 Credit Facility may be denominated in United States Dollars or, up to a maximum of $50,000 in British Pounds Sterling, Canadian Dollars, Euros or Swiss Francs (or other currencies as may be approved by the lenders). Borrowings under the 2014 Credit Facility bear interest at either a base rate or Euro-rate plus a margin based on the Company’s leverage ratio. Base rate is equal to the highest of (a) the Federal Funds Open Rate, plus 0.5%, (b) the Prime Rate, and (c) the Daily LIBOR Rate, plus 1.0%.

The 2014 Credit Facility is collateralized with: (a) all tangible and intangible assets of the Company, and its U.S.-based subsidiaries including all accounts, general intangibles, intellectual property rights and equipment; and (b) all of the outstanding shares of capital stock and other equity interests in U.S.-based subsidiaries of the Company, and 65.0% of the outstanding shares of capital stock and other equity interests in certain of the Company’s foreign subsidiaries.

As of March 31, 2015, the Company had no outstanding debt under the 2014 Credit Facility.

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6. INCOME TAXES

The Company’s worldwide effective tax rate for the three months ended March 31, 2015 and 2014 was 19.3% and 19.6%, respectively. The primary factors that caused a decrease in the Company’s worldwide effective tax rate are the changes in the geographic mix of the current year earnings towards countries with lower statutory rates and also the mix of new tax jurisdictions from acquisitions in the US, western Europe and Asia during 2014.

7. STOCK-BASED COMPENSATION

The following costs related to the Company’s stock compensation plans were included in the unaudited condensed consolidated statements of income:

	Three Months Ended   March 31,
	2015		2014
Cost of revenues	$	2,484	$	1,403
Selling, general and administrative expenses - Acquisition related	4,492		793
Selling, general and administrative expenses - All other	2,158		1,012
Total	$	9,134	$	3,208

Equity Plans

2012 Non-Employee Directors Compensation Plan — On January 11, 2012, the Company approved the 2012 Non-Employee Directors Compensation Plan (“2012 Directors Plan”) to be used to issue equity grants to its non-employee directors. The Company authorized 600,000 shares of common stock to be reserved for issuance under the plan. The 2012 Directors Plan will expire after 10 years and is administered by the Company’s Board of Directors. As of March 31, 2015, 559,365 shares of common stock remained available for issuance under the 2012 Directors Plan.

2012 Long-Term Incentive Plan — On January 11, 2012, the Company approved the 2012 Long-Term Incentive Plan (“2012 Plan”) to be used to issue equity grants to company personnel. As of March 31, 2015, 2,702,383 shares of common stock remained available for issuance under the 2012 Plan. This includes (i) any shares that were available for issuance under the 2006 Plan (as defined below) as of its discontinuance date and that became available for issuance under the 2012 Plan and (ii) any shares that were subject to outstanding awards under the 2006 Plan and have expired or terminated or were cancelled between the discontinuance date of the 2006 Plan and March 31, 2015 and therefore became available for issuance under the 2012 Plan. In addition, up to 1,542,847 shares that are subject to outstanding awards as of March 31, 2015 under the 2006 Plan and that expire or terminate for any reason prior to exercise or that would otherwise have returned to the 2006 Plan’s share reserve under the terms of the 2006 Plan will be available for awards to be granted under the 2012 Plan.

2006 Stock Option Plan — Effective May 31, 2006, the Board of Directors of the Company adopted the 2006 Stock Option Plan (the “2006 Plan”). The 2006 Plan permitted the granting of options to directors, employees, and certain independent contractors. The Compensation Committee of the Board of Directors generally had the authority to select individuals who were to receive options and to specify the terms and conditions of each option so granted, including the number of shares covered by the option, the exercise price, vesting provisions, and the overall option term. In January 2012, the 2006 Plan was discontinued; however, outstanding awards remain subject to the terms of the 2006 Plan and any shares that are subject to an option award that was previously granted under the 2006 Plan and that will expire or terminate for any reason prior to exercise will become again available for issuance under the 2012 Plan. All of the options issued pursuant to the 2006 Plan expire 10 years from the date of grant.

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Stock Options

Stock option activity under the Company’s plans is set forth below:

	Number of Options		Weighted Average Exercise Price		Aggregate Intrinsic Value
Options outstanding at January 1, 2015	6,838,746		$	20.98	$	183,073
Options granted	2,069,300		61.38		(186		)
Options exercised	(346,499	)	12.84		(16,788		)
Options forfeited/cancelled	(33,922	)	28.22		(1,122		)
Options outstanding at March 31, 2015	8,527,625		$	31.09	$	257,534
Options vested and exercisable at March 31, 2015	3,329,962		$	15.56	$	152,279
Options expected to vest	4,741,728		$	40.53	$	98,438

During the three months ended March 31, 2015, the Company issued annual grants consisting of 2,069,300 shares underlying stock options under the 2012 Plan with an aggregate grant-date fair value of $43,992. The options are generally scheduled to vest in equal 25% installments on each of the first four anniversaries of the grant date, subject to the terms of the 2012 Plan and applicable stock options award agreement, including the termination provisions. In the event of the participant’s termination of service for any reason, unvested options are forfeited as of the date of such termination without any payment to the participant.

As of March 31, 2015, total remaining unrecognized compensation cost related to unvested stock options, net of forfeitures, was approximately $81,547, and is expected to be recognized over a weighted-average period of 2.4 years. The weighted average remaining contractual term of the outstanding options as of March 31, 2015 was 6.1 years for fully vested and exercisable options and 9.0 years for options expected to vest, respectively.

As of March 31, 2015, a total of 30,246 shares underlying options exercised through March 31, 2015, were in transfer with the Company’s transfer agent.

There were no material changes with respect to the assumptions used in the Black-Scholes option valuation model during the three months ended March 31, 2015, as compared with the assumptions disclosed in Note 14 to the audited consolidated financial statements included in the Company’s Annual Report on Form 10-K for the fiscal year ended December 31, 2014.

Other Awards

Other awards include awards of restricted stock and restricted stock units (“RSUs”) under the Company’s 2012 Directors Plan and 2012 Plan. In addition, the Company has in the past, and may in the future, issue its equity securities to compensate employees of acquired businesses for future services, upon such terms and at such prices as it deems appropriate. Equity-based awards granted in connection with acquisitions of businesses are generally issued in the form of service-based awards dependent on continuing employment only and performance-based awards, which are granted only if certain specified performance conditions are met. The awards issued in connection with acquisitions of businesses are subject to the terms and conditions contained in the applicable award agreement and acquisition documents.

Service-Based Awards

Summarized activity related to the Company’s service-based awards for the three months ended March 31, 2015, was as follows:

	Number of Shares		Weighted Average Grant Date Fair Value Per Share
Unvested service-based awards outstanding at January 1, 2015	633,442		$	36.88
Awards granted	48,000		61.38
Awards vested	(21,442	)	28.68
Awards forfeited/cancelled	—		—
Unvested service-based awards outstanding at March 31, 2015	660,000		$	38.93

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As of March 31, 2015, aggregate unrecognized compensation expense under the 2012 Directors Plan was $205. This cost is expected to be recognized over the next 1.8 years using the weighted average method. There was no issuance of non-vested (“restricted”) common stock under the 2012 Directors Plan during the quarter ended March 31, 2015.

Included in service-based awards are RSUs issued to certain key management personnel under the 2012 Plan. During the three months ended March 31, 2015, the Company issued a total of 48,000 RSUs with the fair value of $2,946. As of March 31, 2015, the aggregate unrecognized compensation expense related to unvested RSUs under the 2012 Plan was $4,450. This cost is expected to be recognized over the next 2.6 years using the weighted average method. The RSUs are generally scheduled to vest in equal 25% installments on each annual anniversary of the grant date, subject to the terms of the 2012 Plan and applicable RSU award agreement, including the termination provisions. In the event of the participant’s termination of service for any reason, unvested RSUs are forfeited as of the date of such termination without any payment to the participant.

In connection with the Company’s acquisitions, a total of 544,692 shares underlying service-based awards with an aggregate fair value of $25,176 were unvested and outstanding as of March 31, 2015. As of March 31, 2015, unrecognized compensation cost related to unvested service-based awards granted in connection with acquisitions was $15,748. This cost is expected to be recognized over the next 1.8 years using the weighted average method.

Performance -Based Awards

In 2014, the Company granted performance-based awards in connection with the acquisitions completed during that year. The total number of the awards varies based on attainment of certain performance targets pursuant to the terms of the relevant purchase agreements. Typically, the vesting period is three years, with one third of the awards granted vesting in equal installments on the first, second and third anniversaries of the grant. If an eligible employee leaves the Company prior to a vesting date, the unvested portion of the award will be forfeited, generally. The Company periodically evaluates the achievement of the related performance conditions during the applicable performance measurement period and the number of shares expected to be delivered, and resulting compensation expense is adjusted accordingly. During the three months ended March 31, 2015, one-third of performance-based awards for Netsoft vested.

Summarized activity related to the Company’s performance-based awards for the three months ended March 31, 2015, was as follows:

	Number of Shares		Weighted Average Grant Date Fair Value Per Share
Unvested performance-based awards outstanding at January 1, 2015	371,510		$	39.34
Awards granted	—		—
Awards vested	(8,501	)	36.57
Awards forfeited/cancelled	—		—
Changes in the number of awards expected to be delivered	(20,583	)	56.74
Unvested performance-based awards outstanding at March 31, 2015	342,426		$	37.91

As of March 31, 2015, total unrecognized compensation cost related to unvested performance-based awards was $14,898. This cost is expected to be recognized over the next 1.8 years using the weighted average method.

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8. EARNINGS PER SHARE

Basic earnings per share is computed by dividing income available to common shareholders by the weighted-average number of shares of common stock outstanding during the period. Diluted earnings per share is computed by dividing income available to common shareholders by the weighted-average number of shares of common stock outstanding during the period increased to include the number of additional shares of common stock that would have been outstanding if the potentially dilutive securities had been issued. Potentially dilutive securities include outstanding stock options, unvested restricted stock and unvested RSUs. The dilutive effect of potentially dilutive securities is reflected in diluted earnings per share by application of the treasury stock method.

The following table sets forth the computation of basic and diluted earnings per share of common stock as follows:

	Three Months Ended   March 31,
	2015		2014
Numerator for common earnings per share:
Net income	$	14,714	$	17,364
Numerator for basic and diluted earnings per share	$	14,714	$	17,364
Denominator for basic earnings per share:
Weighted average common shares outstanding	47,886		46,797
Effect of dilutive securities:
Stock options, RSUs and performance-based awards	3,114		2,410
Denominator for diluted earnings per share	51,000		49,207
Net income per share:
Basic	$	0.31	$	0.37
Diluted	$	0.29	$	0.35

During the three months ended March 31, 2015 and 2014, a total of 121 and 1,271 shares underlying equity-based awards, respectively, were outstanding but were not included in the computation of diluted earnings per share because the effect was anti-dilutive.

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9. COMMITMENTS AND CONTINGENCIES

Construction in progress — On December 7, 2011, the Company entered into an agreement with IDEAB Project Eesti AS (“IDEAB”) for the construction of an office building within the High Technologies Park in Minsk, Belarus (the “Construction Agreement”). At the same time, the Company entered into a related investment agreement with the Minsk Executive Committee acting on behalf of the Republic of Belarus (the “Investment Agreement”) permitting the Company to use land located in the government’s High Technologies Park to construct the new office building and granting certain tax benefits. The Investment Agreement specified a completion deadline for construction of September 15, 2012 extended by the parties to December 31, 2014, and further extended to July 1, 2015. Per the Investment Agreement, if the Company does not meet the completion deadline, monthly penalties may be imposed; the recent extension of the Investment Agreement increases the monthly penalty to $20 per month for the period beginning January 1, 2015. There may be further terms and conditions imposed on the Company in a further extension of the Investment Agreement. If the Investment Agreement is terminated, the Company could be required to disgorge certain tax benefits received by the Company in connection with the project and could potentially be required to fully restore the land to its original condition. The Company has not been required to pay any penalties to date. The Company has secured the required building construction permits and is working toward completion of the building. The Company believes that the building will be completed and available for its use in 2015, and that any penalties or loss of tax benefits will not be material to the accompanying financial statements.

The Construction Agreement committed IDEAB to construct an office building for the Company in Minsk with a completion date of February 28, 2014. In April 2014 IDEAB stopped its construction before the building’s completion, for reasons unrelated to the Company’s performance under the Construction Agreement. In May 2014, IDEAB notified the Company that it was unable to continue as general contractor to complete the construction of the building in time and on the terms agreed. As a result, the Company took control over the construction site. On July 7, 2014, the Company provided IDEAB with notice of termination of the Construction Agreement, effective on or about July 11, 2014. The Company filed a legal action against IDEAB in Belarus in August 2014, claiming breach of contract. In September 2014, the court decided in the Company’s favor and directed IDEAB to pay the Company $1,000 plus reimbursement of certain expenses. The Company is pursuing recovery from IDEAB of this amount. The Company has filed other lawsuits seeking recovery from IDEAB of additional amounts (including future work and construction materials) from IDEAB. These lawsuits are in various stages of litigation and it is not possible to estimate the likelihood of recovery.

At March 31, 2015, the Company had approximately $18,700 of capitalized construction costs and estimated up to $4,549 of additional investment required to complete the construction and put the building into operation. The Company estimates that the building construction will be completed by June 30, 2015.

Based on the information known to the Company at this time, any additional liability related to this matter is not reasonably estimable.

Indemnification Obligations—In the normal course of business, the Company is a party to a variety of agreements under which it may be obligated to indemnify the other party for certain matters. These obligations typically arise in contracts where the Company customarily agrees to hold the other party harmless against losses arising from a breach of representations or covenants for certain matters such as title to assets and intellectual property rights associated with certain arrangements. The duration of these indemnifications varies, and in certain cases, is indefinite.

The Company is unable to reasonably estimate the maximum potential amount of future payments under these or similar agreements due to the unique facts and circumstances of each agreement and the fact that certain indemnifications provide for no limitation to the maximum potential future payments under the indemnification. Management is not aware of any such matters that historically had or would have a material effect on the financial statements of the Company.

Litigation — From time to time, the Company is involved in litigation, claims or other contingencies. Management is not aware of any such matters that would have a material effect on the consolidated financial statements of the Company.

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10. OPERATING SEGMENTS

The Company determines its operating segments and reports segment information in accordance with the management approach, which designates internal reporting used by management to make operating decisions and assess performance as the source of the Company’s reportable segments.

The Company manages its business primarily based on the geographic managerial responsibility for its client base. As managerial responsibility for a particular client relationship generally correlates with the client’s geographic location, there is a high degree of similarity between client locations and the geographic boundaries of the Company’s reportable segments. In some cases, managerial responsibility for a particular client is assigned to a management team in another region and is usually based on the strength of the relationship between client executives and particular members of EPAM’s senior management team. In such a case, the client’s activity would be reported through the management team’s reportable segment.

The Company’s reportable segments are North America, Europe, Russia and Other. The Company’s Chief Operating Decision Maker (“CODM”) evaluates performance and allocates resources based on the segment's revenues and operating profit. Segment operating profit is defined as income from operations before unallocated costs. Generally, operating expenses for each operating segment have similar characteristics and are subject to similar factors, pressures and challenges. Expenses included in segment operating profit consist principally of direct selling and delivery costs as well as an allocation of certain shared services expenses. Certain expenses, such as stock-based compensation are not allocated to specific segments, as management does not believe it is practical as these expenses are not directly attributable to any specific segment and consequently are not allocated to individual segments in internal management reports used by the CODM. Such expenses are separately disclosed as “unallocated” and adjusted only against the Company’s total income from operations.

Revenues from external customers and segment operating profit, before unallocated expenses, for the North America, Europe, Russia and Other reportable segments for the three months ended March 31, 2015 and 2014, were as follows:

	Three Months Ended   March 31,
	2015			2014
Total segment revenues:
North America	$	100,269		$	80,198
Europe	91,152			67,659
Russia	7,513			10,748
Other	1,260			1,392
Total segment revenues	$	200,194		$	159,997
Segment operating profit:
North America	$	24,068		$	18,197
Europe	15,340			14,135
Russia	(271		)	(1,135		)
Other	(457		)	(1,318		)
Total segment operating profit	$	38,680		$	29,879

Intersegment transactions were excluded from the above on the basis that they are neither included into the measure of a segment’s profit and loss by the CODM, nor provided to the CODM on a regular basis.

During the three months ended March 31, 2015 and 2014, revenues from one customer, UBS AG, were $30,933 and $20,024, respectively, and accounted for more than 10% of total revenues. Revenues from this customer included reimbursable expenses and were included in the Company’s Europe segment in the periods indicated.

Trade accounts receivable and unbilled revenues are generally dispersed across our clients in proportion to their revenues. As of March 31, 2015, billed trade receivables from one customer, UBS AG, individually exceeded 10% and accounted for 15.6% of our total billed trade receivables. As of March 31, 2015, unbilled trade receivables from two customers, UBS AG and Barclays, individually exceeded 10% and together accounted for 27.1% of our total unbilled trade receivables.

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Reconciliation of segment revenues and operating profit to consolidated income before provision for income taxes is presented below:

	Three Months Ended   March 31,
	2015			2014
Total segment revenues	$	200,194		$	159,997
Unallocated (loss)/revenue	(149		)	387
Revenues	$	200,045		$	160,384
Total segment operating profit:	$	38,680		$	29,879
Unallocated amounts:
Other revenues	(149		)	387
Stock-based compensation expense	(9,134		)	(3,208		)
Non-corporate taxes	(825		)	(546		)
Professional fees	(1,822		)	(1,314		)
Depreciation and amortization	(1,329		)	(655		)
Bank charges	(367		)	(247		)
Other corporate expenses	(2,234		)	(2,439		)
Income from operations	22,820			21,857
Interest and other income, net	1,158			976
Foreign exchange loss	(5,754		)	(1,241		)
Income before provision for income taxes	$	18,224		$	21,592

Geographic Area Information

Long-lived assets include property and equipment, net of accumulated depreciation and amortization, and management has determined that it is not practical to allocate these assets by segment since such assets are used interchangeably among the segments. Geographical information about the Company’s long-lived assets based on physical location of the assets was as follows:

	March 31, 2015		December 31, 2014
Belarus	$	42,060	$	41,652
Ukraine	4,377		4,392
Hungary	2,523		2,773
Russia	2,121		2,196
United States	1,779		2,001
Other	2,255		2,120
Total	$	55,115	$	55,134

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Information about the Company’s revenues by client location is as follows:

	Three Months Ended   March 31,
	2015		2014
United States	$	92,182	$	69,136
United Kingdom	38,565		34,244
Switzerland	26,351		20,532
Canada	12,485		9,981
Russia	7,259		10,390
Germany	6,498		6,132
Hong Kong	5,210		—
Netherlands	2,046		2,118
Sweden	2,013		2,312
Belgium	1,525		641
Kazakhstan	1,259		1,242
Ireland	1,187		—
Other locations	1,608		1,689
Reimbursable expenses and other revenues	1,857		1,967
Revenues	$	200,045	$	160,384

Service Offering Information

Information about the Company’s revenues by service offering is as follows:

	Three Months Ended   March 31,
	2015		2014
Software development	$	140,035	$	110,687
Application testing services	37,030		31,770
Application maintenance and support	17,132		11,378
Infrastructure services	3,173		3,754
Licensing	818		828
Reimbursable expenses and other revenues	1,857		1,967
Revenues	$	200,045	$	160,384

11. RECENT ACCOUNTING PRONOUNCEMENTS

In February 2015, the Financial Accounting Standards Board (“FASB”) issued Accounting Standards Update (“ASU”) No. 2015-02, Consolidation (Topic 810): Amendments to the Consolidations Analysis, which changes the guidance for evaluating whether to consolidate certain legal entities. Specifically, the amendments modify the evaluation of whether limited partnerships and similar legal entities are variable interest entities ("VIEs") or voting interest entities. The amendment is effective for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2015. The implementation of this standard is not expected to have a material effect on the Company’s consolidated financial statements.

In November 2014, the FASB issued ASU 2014-17, Business Combinations (Topic 805): Pushdown Accounting. The update provides an acquired entity with an option to apply pushdown accounting in its separate financial statements upon occurrence of an event in which an acquirer obtains control of the acquired entity. An acquired entity may also elect the option to apply pushdown accounting in the reporting period in which the change-in-control event occurs. However, if the financial statements for the period in which the most recent change-in-control event occurred already have been issued or made available to be issued, the application of this guidance would be a change in accounting principle. The amendment is effective on November 18, 2014. The implementation of this standard does not have a material effect on the Company’s consolidated financial statements.

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In November 2014, the FASB issued ASU 2014-16, Derivatives and Hedging (Topic 815): Determining Whether the Host Contract in a Hybrid Financial Instrument Issued in the Form of a Share Is More Akin to Debt or to Equity. The update aims to eliminate the use of different methods in practice and thereby reduce existing diversity under GAAP in the accounting for hybrid financial instruments issued in the form of a share. The amendments are effective for annual period and interim periods within those annual periods, beginning after December 15, 2015 with early adoption permitted. The implementation of this standard is not expected to have a material effect on the Company’s consolidated financial statements as the Company currently does not issue hybrid instruments.

In August 2014, the FASB issued ASU 2014-15, Presentation of Financial Statements-Going Concern (Subtopic 205-40): Disclosure of Uncertainties about an Entity’s Ability to Continue as a Going Concern. The amendments in this update provide guidance about management’s responsibility to evaluate whether there is substantial doubt about an entity’s ability to continue as a going concern and to provide related footnote disclosures. These amendments aim to reduce diversity in the timing and content of footnote disclosures. The amendments in this update are effective for the annual period ending after December 15, 2016, and for annual periods and interim periods thereafter, with early adoption permitted. The implementation of this standard is not expected to have a material effect on the Company’s condensed consolidated financial statements.

In June 2014, the FASB issued ASU 2014-12, which requires that a performance target that affects vesting and that could be achieved after the requisite service period be treated as a performance condition. A reporting entity should apply existing guidance in Topic 718, Compensation - Stock Compensation, as it relates to awards with performance conditions that affect vesting to account for such awards. The standard is effective for annual periods and interim periods within those annual periods beginning after December 15, 2015 with early adoption permitted. Entities may apply the amendments in this ASU either: (a) prospectively to all awards granted or modified after the effective date; or (b) retrospectively to all awards with performance targets that are outstanding as of the beginning of the earliest annual period presented in the financial statements and to all new or modified awards thereafter. The implementation of this standard is not expected to have a material effect on the Company’s condensed consolidated financial statements.

In May 2014, the FASB issued ASU 2014-09, which impacts virtually all aspects of an entity’s revenue recognition. The ASU introduces a new five-step revenue recognition model in which an entity should recognize revenue to depict the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. This ASU also requires disclosures sufficient to enable users to understand the nature, amount, timing, and uncertainty of revenue and cash flows arising from contracts with customers, including qualitative and quantitative disclosures about contracts with customers, significant judgments and changes in judgments, and assets recognized from the costs to obtain or fulfill a contract. This standard will be effective for the Company beginning in its first quarter of 2017. In April 2015, the FASB issued a tentative proposal to defer the effective date until the annual reporting periods (including interim reporting periods within those periods) beginning after December 15, 2017. The Company is currently evaluating the impact this new standard will have on its condensed consolidated financial statements.

In April 2014, the FASB issued ASU 2014-08, Reporting Discontinued Operations and Disclosures of Disposals of Components of an Entity, which changes the criteria for determining which disposals can be presented as discontinued operations and modifies the related disclosure requirements. To qualify as a discontinued operation the standard requires a disposal to represent a strategic shift that has, or will have, a major effect on an entity's operations and financial results. The standard also expands the disclosures for discontinued operations and requires new disclosures related to individually material dispositions that do not qualify as discontinued operations. The standard is effective prospectively for fiscal periods beginning after December 15, 2014, including interim periods within that reporting periods, with early adoption permitted. The implementation of this standard does not have a material impact on the Company’s condensed consolidated financial statements, but may impact the reporting of any future dispositions.

Item 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations

You should read the following discussion and analysis of our financial condition and results of operations together with our Annual Report on Form 10-K for the year ended December 31, 2014 and the unaudited condensed consolidated financial statements and the related notes included elsewhere in this quarterly report. In addition to historical information, this discussion contains forward-looking statements that involve risks, uncertainties and assumptions that could cause actual results to differ materially from management’s expectations. Factors that could cause such differences are discussed in the sections entitled “Forward-Looking Statements” in this item and “Part II. Item 1A. Risk Factors.” We assume no obligation to update any of these forward-looking statements.

In this quarterly report, “EPAM,” “EPAM Systems, Inc.,” the “Company,” “we,” “us” and “our” refer to EPAM Systems, Inc. and its consolidated subsidiaries.

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Executive Summary

From software products to core business applications, we are a leading global provider of expert consulting, development, testing, support and infrastructure services to many of the world’s leading organizations. As we evolve into a global, not just regional, leader in software and application outsourcing, we recognize that our history, our culture, our delivery model, and our people are at the core of what makes us excel in the industry. We deliver complex solutions to clients around the world utilizing our distributed delivery model, which now includes advanced capabilities.

Our delivery focus has not wavered since our inception over 20 years ago, even as our capabilities, tools, and practices have progressed over time. Our delivery evolved to accommodate the needs of our customers across multiple continents and lines of business and to ensure consistent quality in every project deliverable. Our global delivery model and centralized support functions, combined with the benefits of scale from the shared use of fixed-cost resources, such as computers and office space, enhance our productivity levels and enable us to better manage the efficiency of our global operations by maintaining adequate resource utilization levels and implementing company-wide cost-management programs. As a result, we have created a delivery base whereby our applications, tools, methodologies and infrastructure allow us to seamlessly deliver services and solutions from our delivery centers to global clients across all geographies, further strengthening our relationships with them.

Through increased specialization in focused verticals and a continued emphasis on strategic partnerships, we are leveraging our roots in software engineering to become a recognized brand in IT services and software development. We are continuously venturing into new industries to expand our core industry client base in software and technology, banking and capital markets, business information and media, travel and hospitality. Our clients depend on us to solve complex technical challenges and our teams are integral parts of engineering efforts that cross products and industries.

Year-to-Date 2015 Developments and Trends

During the three months ended March 31, 2015, our revenues were $200.0 million, an increase of approximately 24.7% over $160.4 million reported for the same period a year ago. Our performance remained strong across our key verticals with Life Sciences and Healthcare vertical emerging rapidly and showing growth of 189.7% over the first quarter of 2014.

We remain committed to maintaining and improving a well-balanced portfolio of clients. During the first quarter of 2015, our top five and top ten customers accounted for 35.5% and 46.4% of consolidated revenues, respectively.

We seek to grow revenues by continually expanding the scope and size of our engagements, as well as by growing our key customer base through business development efforts and strategic acquisitions. During the first quarter of 2015, we focused on integrating the acquired business as well as continued developing our existing business, both geographically and across industry verticals.

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Summary of Results of Operations and Non-GAAP Financial Measures

The following table presents a summary of our results of operations for the three months ended March 31, 2015 and 2014:

	Three Months Ended   March 31,				Increase
	2015		2014		Dollars			Percentage
	(in thousands, except percentages)
Revenues	$	200,045	$	160,384	$	39,661		24.7	%
Income from operations	22,820		21,857		963			4.4	%
Net income	14,714		17,364		(2,650		)	(15.3	)%

The key highlights of our consolidated results for the three months ended March 31, 2015, as compared to the corresponding period of 2014, were as follows:

• The North American geography increased the most, generating revenue growth of $25.6 million during the three months ended March 31, 2015, or 32.3% over the corresponding period of 2014;

• Revenue increased in all our key verticals, and in particular within the ISVs and Technology and Life Sciences and Healthcare verticals, which grew $9.7 million and $9.5 million, respectively, in the first quarter of 2015 over the corresponding period of 2014.

• Income from operations grew by 4.4% during the three months ended March 31, 2015 compared with the three months ended March 31, 2014. Income from operations decreased by 2.2% as a percentage of revenues over the same period. The decrease was due to a combination of factors, including an increase of $5.9 million in stock-based compensation expense, of which $4.0 million relates to our 2014 acquisitions; and increase in salaries for the non-production personnel to support our aggressive growth.

• Net income decreased by 15.3% during the first quarter of 2015 compared with the corresponding period of 2014. Expressed as a percentage of revenues, net income decreased 3.4% during the three months ended March 31, 2015, as compared to the prior year period due to the items noted above, as well as the effects of significant adverse foreign exchange rate changes to date in 2015 as compared to 2014 for currencies including the euro.

The operating results in any period are not necessarily indicative of the results that may be expected for any future period.

In our quarterly earnings press releases and conference calls, we discuss the following key measures that are not calculated according to U.S. GAAP:

• Non-GAAP income from operations is the income from operations as reported on our consolidated statements of income and comprehensive income exclusive of certain expenses and benefits.

• Non-GAAP operating margin is the non-GAAP income from operations as a percentage of reported revenues.

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We believe that these non-GAAP measures help illustrate trends in our core business and we use these measures to establish budgets and operational goals, manage our business and evaluate our performance. We exclude certain expenses and benefits from non-GAAP income from operations that we believe are not reflective of these underlying business trends and are not useful measures in determining our operational performance and overall business strategy. Because our reported non-GAAP financial measures are not calculated according to GAAP, these measures are not comparable to GAAP and may not be comparable to similarly described non-GAAP measures reported by other companies within our industry. Consequently, our non-GAAP financial measures should not be evaluated in isolation from or supplant comparable GAAP measures, but, rather, should be considered together with our financial statements, which are prepared according to GAAP. The following table presents a reconciliation of income from operations as reported on our consolidated statements of income and comprehensive income to non-GAAP income from operations and non-GAAP operating margin for the three months ended March 31, 2015 and 2014:

	Three Months Ended   March 31,
	2015			2014
	(in thousands, except percentages)
GAAP income from operations	$	22,820		$	21,857
Stock-based compensation expense	9,134			3,208
Amortization of purchased intangible assets	1,418			650
Acquisition-related costs	62			581
Non-GAAP income from operations	$	33,434		$	26,296
GAAP operating margin	11.4		%	13.6		%
Effect of the adjustments detailed above	5.3		%	2.8		%
Non-GAAP operating margin	16.7		%	16.4		%

From time to time, we acquire businesses and as such incur operating expenses, which are not related to our core company or segment operations and may include acquisition-related costs and amortization of acquired intangible assets. These costs vary with the size and complexity of the related acquisition and are generally inconsistent in amount and frequency, therefore, the size, complexity and volume of past acquisitions, which often drive the magnitude of acquisition-related costs, may not be indicative of the size, complexity and volume of future transactions and costs.

Amortization of purchased intangible assets is excluded from our non-GAAP measures to allow management to evaluate our operating results as if these assets have been developed internally rather than acquired in a business combination. We believe this approach provides a supplemental measure of performance in which the acquired intangible assets are treated in a manner comparable to the internally developed assets.

Stock-based compensation expense is excluded from our non-GAAP measures because we believe such exclusion allows for a more accurate comparison of our operating results among the periods.

We also exclude certain other expenses and one-time charges that we believe are not indicative of what we consider to be organic continuing operations. Such items include impairment write-offs of goodwill and other assets, legal settlement expenses, and certain other non-cash one-time charges and write offs.

See our “Results of Operations” section below for a more detailed discussion and analysis of these charges.

We have significant international operations, and we earn revenues and incur expenses in multiple currencies. When important to management’s analysis, operating results are compared in “constant currency terms”, a non-GAAP financial measure that excludes the effect of foreign currency exchange rate fluctuations. The effect of rate fluctuations is excluded by translating the current period’s revenues and expenses into U.S. dollars at the weighted average exchange rates of the prior period of comparison. See Item 3, “Quantitative and Qualitative Disclosures About Market Risk” of this report for a discussion of our exposure to exchange rates.

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Effects of Inflation

Economies in CIS countries such as Belarus, Russia, Kazakhstan and Ukraine have periodically experienced high rates of inflation. Periods of higher inflation may slow economic growth in those countries. Also, inflation is likely to increase some of our costs and expenses, which may reduce our profitability as we may not be able to pass them on to our clients. Inflationary pressures could also affect our ability to access financial markets and lead to counter-inflationary measures that may harm our financial condition, results of operations or adversely affect the market price of our securities.

Ukraine has been experiencing heightened political and economic turmoil with no improvement as of the date of this report. Various news sources estimate that inflation has been increasing and the rate of increase has been accelerating throughout 2015. According to news reports, the peace talks continue and efforts to improve the government are in progress, however, the cost of the continuing crisis is severely impacting the Ukrainian economy. The Ukrainian currency has been weakened and the negative outlook in the Ukrainian economy continues. The functional currency for financial reporting purposes in Ukraine is US dollars.

Due to Russia’s annexation of Crimea, which was a part of Ukraine, the United States and the European Union have imposed and expanded sanctions targeting Russian government and government-controlled interests and certain government officials. The expanded sanctions issued by the US Department of Treasury and the European Union also restrict involvement in certain extensions of credit and financing activities for Russian debtors and restrict certain business activities in sectors such as off-shore oil and defense. We believe these sanctions do not prevent us from providing our services to our customers.

In February 2014, the government of Kazakhstan devalued the local currency, the tenge, by 19%. The government kept inflation for 2014 within forecasted range of 6% to 8% with a forecast of around 7% for 2015 with a steady decrease towards 6% later in the year. However, political and economic instability in the region may contribute to the economic uncertainty in Kazakhstan.

Belarus over the last several years has been experiencing hyperinflation. The measures currently used by the Belarusian government to control this recent inflation include monetary policy and pricing instruments, including increasing interest rates and the use of anti-monopoly laws to prevent the increase in pricing of goods, as well as privatization and using foreign borrowings to replenish the budget and stabilize the local currency. Inflation, government actions to combat inflation and public speculation about possible additional actions have also contributed to economic uncertainty in Belarus. Belarus may experience high levels of inflation in the future. In the first quarter of 2015, we had approximately $0.3 million, or 0.1%, of our revenues denominated in Belarusian rubles.

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Results of Operations

The following table sets forth a summary of our consolidated results of operations for the periods indicated. This information should be read together with our consolidated financial statements and related notes included elsewhere in this annual report. The operating results in any period are not necessarily indicative of the results that may be expected for any future period.

	Three Months Ended   March 31,						Increase/(Decrease)
	2015			2014			Dollars			Percentage
	(in thousands, except percentages)
Revenues	$	200,045		$	160,384		$	39,661		24.7	%
Operating expenses:
Cost of revenues (exclusive of depreciation and amortization)(1)	125,887			102,454			23,433			22.9	%
Selling, general and administrative expenses(2)	46,938			32,359			14,579			45.1	%
Depreciation and amortization expense	4,200			3,689			511			13.9	%
Other operating expenses, net	200			25			175			700.0	%
Income from operations	22,820			21,857			963			4.4	%
Interest and other income, net	1,158			976			182			18.6	%
Foreign exchange loss	(5,754		)	(1,241		)	(4,513		)	363.7	%
Income before provision for income taxes	18,224			21,592			(3,368		)	(15.6	)%
Provision for income taxes	3,510			4,228			(718		)	(17.0	)%
Net income	$	14,714		$	17,364		$	(2,650	)	(15.3	)%

(1) Included $2,484 and $1,403 of stock-based compensation expense for the three months ended March 31, 2015 and 2014, respectively;

(2) Included $6,650 and $1,805 of stock-based compensation expense for the three months ended March 31, 2015 and 2014, respectively.

Three Months Ended March 31, 2015 Compared to the Three Months Ended March 31, 2014

Revenues

During the three months ended March 31, 2015, our revenues grew 24.7% over the corresponding period in 2014, from $160.4 million to $200.0 million for the quarter. The increase was attributable to a combination of factors, including deeper penetration to existing customers and attainment of new customers.

During the three months ended March 31, 2015, revenues in North America, our largest geography by revenue, grew $25.6 million, or 32.3%, over the same period last year. Expressed as a percentage of consolidated revenues, the North America geography accounted for 52.3% during the three months ended March 31, 2015, which represented an increase of 3.0% over the corresponding period in 2014. This result is partly attributed to continuing strong performance by our existing top clients in the North America's ISVs and Technology and Business Information and Media verticals. Revenues from the ISVs and Technology vertical in North America increased by $8.4 million for the three months ended March 31, 2015 compared with the same period last year. During the three months ended March 31, 2015, revenues from the Business Information and Media vertical in North America increased by $5.2 million, or 33.2%, over the corresponding period of 2014.

Additionally, this geography benefited from customers of certain companies we acquired in 2014, particularly in the Life Sciences and Healthcare vertical. For the three months ended March 31, 2015, revenues in North America's Life Sciences and Healthcare vertical increased by $8.5 million or 193.5% compared with the same period last year.

Revenues from our Travel and Consumer vertical in North America increased by $3.7 million, or 24.2%, in the first quarter of 2015 as compared to the corresponding period of 2014. The increase in this vertical was primarily driven by the rapid expansion of our strategic relationship with a large retail chain, a relationship we acquired in 2012. This customer has been one of our top ten customers since 2013. During the three months ended March 31, 2015, revenues from this customer accounted for 5.7% of total revenue growth in North America, respectively.

During the three months ended March 31, 2015, our Banking and Financial Services vertical remained our dominant vertical in Europe and accounted for 47.9% of overall revenue growth in this geography. During the first quarter of 2015, revenues from the Banking and Financial Services vertical increased by $5.8 million, or 16.2%, over the corresponding periods of 2014. It was also our largest vertical on a consolidated basis. Continued solid performance of the Banking and Financial

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Services vertical was attributable to an increased demand for our services and ongoing relationships with existing customers located in Europe. In particular, 10.4% of consolidated revenue growth during the three months ended March 31, 2015 was attributable to increased business from certain of our largest customers located in the United Kingdom and Switzerland. Furthermore, we continue to see growing demand for our services from European-based customers within the Travel and Consumer vertical. During the three months ended March 31, 2015, revenues from this vertical increased by $3.3 million over the corresponding period last year and accounted for 16.9% of total growth in this geography.

Revenues in the CIS geography decreased by $3.2 million, or 26.9%, during the three months ended March 31, 2015 as compared to the corresponding period of 2014, mainly in the Banking and Financial Services vertical, which decreased by $2.8 million.

Cost of Revenues (Exclusive of Depreciation and Amortization)

During the three months ended March 31, 2015, cost of revenues (exclusive of depreciation and amortization) was $125.9 million representing an increase of 22.9% over the corresponding period of 2014. As a percentage of revenues, cost of revenues (exclusive of depreciation and amortization) decreased by 1.0% to 62.9% of consolidated revenues.

The increase in cost of revenues (exclusive of depreciation and amortization) in the first quarter of 2015 as compared with the first quarter of 2014 was primarily driven by a $24.0 million increase in personnel-related costs, including an increase in stock-based compensation expense of $1.1 million. The increase was mainly attributable to a 28.7% growth in the average production headcount, resulting mostly from our strategic acquisitions in 2014.

Selling, General and Administrative Expenses

We continued to invest in key areas, including sales, infrastructure, industry expertise, and other functions supporting global operations. During the three months ended March 31, 2015, selling, general and administrative expenses were $46.9 million representing an increase of 45.1% over the corresponding period of 2014. As a percentage of revenues, selling, general and administrative expenses increased 3.3% over the corresponding period of 2014, to 23.5% of consolidated revenues.

An increase in selling, general and administrative expenses in the first quarter of 2015 was primarily driven by a $12.0 million increase in personnel-related costs, which includes salaries and stock option expenses. Our selling, general and administrative expenses have increased primarily as a result of our expanding operations, acquisitions, and the hiring of a number of senior managers to support our growth. We experienced a 4.7% growth in the average non-production headcount as compared to the same period last year. In addition, we incurred $4.0 million of costs related to our 2014 acquisitions representing stock-based compensation expense, which resulted in a 2.1% increase in selling, general and administrative expenses expressed as a percentage of revenues.

Depreciation and Amortization Expense

During the three months ended March 31, 2015, depreciation and amortization expense was $4.2 million, as compared to $3.7 million in the corresponding period last year. Expressed as a percentage of revenues, depreciation and amortization expense decreased 0.2% during the three months ended March 31, 2015, respectively, as compared with the corresponding period of 2014. The change is mainly due to $0.8 million increase in amortization of intangible assets from the assets obtained as part of the 2014 acquisitions, offset by lower depreciation charges.

Interest and Other Income, Net

Net interest and other income was $1.2 million during the three months ended March 31, 2015 representing an increase of $0.2 million when compared to the corresponding period last year. The increase was primarily driven by interest received on cash accounts in Belarus and the UK and, to a lesser extent, interest earned on employee housing loans.

Provision for Income Taxes

Our effective tax rate for the three months ended March 31, 2015 and 2014, was 19.3% and 19.6%, respectively. The primary factors that caused a decrease in our worldwide effective tax rate are the changes in the geographic mix of our current year earnings towards countries with lower statutory rates and also the mix of new tax jurisdictions from acquisitions in the US, western Europe and Asia during 2014.

Results by Business Segment

Our operations consist of four reportable segments: North America, Europe, Russia and Other. The segments represent components of EPAM for which separate financial information is available that is used on a regular basis by our chief executive

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officer, who is also our chief operating decision maker (“CODM”), in determining how to allocate resources and evaluate performance. This determination is based on the unique business practices and market specifics of each region and that each region engages in business activities from which it earns revenues and incurs expenses. Our reportable segments are based on managerial responsibility for a particular client. Because managerial responsibility for a particular client relationship generally correlates with the client’s geographic location, there is a high degree of similarity between client locations and the geographic boundaries of our reportable segments. In some specific cases, however, managerial responsibility for a particular client is assigned to a management team in another region, usually based on the strength of the relationship between client executives and particular members of our senior management team. In a case like this, the client’s activity would be reported through the management team’s reportable segment. Our CODM evaluates the Company’s performance and allocates resources based on segment revenues and operating profit.

Segment operating profit is defined as income from operations before unallocated costs. Generally, operating expenses for each operating segment have similar characteristics and are subject to similar factors, pressures and challenges. Expenses included in segment operating profit consist principally of direct selling and delivery costs as well as an allocation of certain shared services expenses. We use globally integrated support organizations to realize economies of scale and efficient use of resources. As a result, a majority of our expenses is shared by all segments. These shared expenses include Delivery, Recruitment and Development, Sales and Marketing, and support functions such as IT, Finance, Legal, and Human Resources. Generally, shared expenses are allocated based on measurable drivers of expense, e.g., recorded hours or headcount. However, certain expenses are not specifically allocated to specific segments, as management does not believe it is practical to allocate such costs to individual segments because they are not directly attributable to any specific segment. Further, stock based compensation expense is not allocated to individual segments in internal management reports used by the chief operating decision maker. Accordingly, these expenses are separately disclosed as “unallocated” and adjusted only against our total income from operations.

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Revenues from external clients and segment operating profit, before unallocated expenses, for the North America, Europe, Russia and Other reportable segments for the three months ended March 31, 2015 and 2014 were as follows:

	Three Months Ended   March 31,
	2015			2014
	(in thousands)
Total segment revenues:
North America	$	100,269		$	80,198
Europe	91,152			67,659
Russia	7,513			10,748
Other	1,260			1,392
Total segment revenues	$	200,194		$	159,997
Segment operating profit:
North America	$	24,068		$	18,197
Europe	15,340			14,135
Russia	(271		)	(1,135		)
Other	(457		)	(1,318		)
Total segment operating profit	$	38,680		$	29,879

North America Segment

During the three months ended March 31, 2015, revenues for the North America segment increased $20.1 million, or 25.0%, over the corresponding period in 2014 and segment operating profits increased $5.9 million, or 32.3%, as compared to the same period last year, to $24.1 million net operating profit.

For the quarter ended March 31, 2015, revenues from our North America segment were 50.1% of total revenues, which remained equal to the 50.1% percentage of total revenues in the first quarter of 2014. As a percentage of segment revenues, the North America segment’s operating profit was 24.0% during the three months ended March 31, 2015 and 22.7% in the corresponding period last year.

The increase in revenues during the three months ended March 31, 2015 was driven by continued expansion of existing customer relationships and by revenues from new clients. During the first quarter of 2015, operating results of the North America operating segment benefited from our recent acquisitions in the Life Sciences and Healthcare industry.

Europe Segment

Europe continues to be a growing segment in our portfolio as our business model continues to gain considerable traction with European-based clients primarily in the Banking and Financial Services and Travel and Consumer verticals. Furthermore, our Europe segment benefited from the acquisition of Jointech, a company with locations in South-East Asia, which created a new value proposition for our existing customers within the Banking and Financial Services vertical, particularly in the areas of investment banking, wealth and asset management, and extended our reach into new geography. We expect that many of our new and existing customers in other business verticals will use our services in that fast-growing region resulting in possible revenue and operating profit increases to the Europe segment.

During the three months ended March 31, 2015, revenues from our Europe segment were 45.5% of total segment revenues and represented an increase of $23.5 million, or 34.7%, over the corresponding period of 2014. During the three months ended March 31, 2015, segment operating profits increased $1.2 million, or 8.5%, as compared to the corresponding period of 2014, to $15.3 million net operating profit.

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Russia and Other Segments

During the three months ended March 31, 2015, revenues from our Russia segment were $7.5 million representing a decline of $3.2 million compared to the corresponding period of 2014. During the three months ended March 31, 2015, operating losses of the Russia segment decreased $0.9 million as compared to the same period last year, to $0.3 million of operating losses.

During the three months ended March 31, 2015, revenues from our Other segment were $1.3 million representing a decrease of $0.1 million compared to the corresponding period of 2014. During the three months ended March 31, 2015, operating losses of the Other segments decreased $0.9 million compared to the same period last year, to $0.5 million of operating losses.

Revenues and operating profits in the Russia and Other segments are subject to volatility resulting from revenue recognition delays related to finalizing budgets for certain arrangements with major customers in those segments. As a result, we recorded the cost related to the performance of services in 2015 with no associated revenues recognized in the period that services were rendered. These business arrangements were further exacerbated by strong foreign currency fluctuations in the fourth quarter of 2014, negatively impacting our business in Russia and CIS countries during the first quarter of 2015.

Liquidity and Capital Resources

Capital Resources

At March 31, 2015, our principal sources of liquidity were cash and cash equivalents totaling $192.4 million, a one-year time deposit maturing in March 2016 in the amount of $30.0 million and $100.0 million of available borrowings under our revolving line of credit. As of that date, $146.5 million of our total cash and cash equivalents were held outside the United States. Of this amount, $54.2 million was held in U.S. dollar denominated accounts in Belarus, including deposits that accrued interest at an average interest rate of 6.9% during the first quarter of 2015. Also, $60.5 million in US dollars, which was repatriated from Belarus earlier in 2014, was held in a bank in the UK by our Cyprus entity, which was repatriated from Belarus earlier in 2014. In March 2015, $30.0 million of this amount has been placed into a one-year interest bearing time deposit within the same bank.

The cash and cash equivalents held at locations outside of the United States are for future operating expenses and we have no intention of repatriating those funds. However, if necessary, there are no restrictions on repatriating those funds back to the United States. If we decide to remit funds to the United States in the form of dividends, $176.3 million would be subject to foreign withholding taxes, of which $173.6 million would also be subject to U.S. corporate income tax. We believe that our available cash and cash equivalents held in the United States and cash flow to be generated from domestic operations will be adequate to satisfy our domestic liquidity needs in the foreseeable future. Our ability to expand and grow our business in accordance with current plans and to meet our long-term capital requirements will depend on many factors, including the rate, if any, at which our cash flows increase, our continued intent not to repatriate earnings from outside of the U.S. and the availability of public and private debt and equity financing. To the extent we pursue one or more significant strategic acquisitions, we may incur debt or sell additional equity to finance those acquisitions.

On September 12, 2014, we established a revolving credit facility with PNC Bank, National Association; Santander Bank, N.A; and Silicon Valley Bank. This credit facility consists of a $100.0 million revolving line of credit, with a maturity date of September 12, 2019. There is potential to increase the credit facility up to $200.0 million if certain conditions are met. Borrowings under the credit facility may be denominated in United States Dollars or, up to a maximum of $50.0 million in British pounds sterling, Canadian dollars, euros or Swiss francs (or other currencies as may be approved by the lenders). At March 31, 2015, we had no borrowings outstanding under the line of credit and the entire $100.0 million revolving line of credit was available for use by us.

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Cash Flows

The following table summarizes our cash flows for the periods indicated:

	Three Months Ended   March 31,
	2015			2014
	(in thousands)
Condensed Consolidated Statements of Cash Flow Data:
Net cash provided by operating activities	$	6,871		$	16,188
Net cash used in investing activities	(33,882		)	(11,676		)
Net cash provided by financing activities	1,490			3,134
Effect of exchange rate changes on cash and cash equivalents	(2,650		)	(2,787		)
Net increase in cash and cash equivalents	(28,171		)	4,859
Cash and cash equivalents, beginning of period	220,534			169,207
Cash and cash equivalents, end of period	$	192,363		$	174,066

Operating Activities

Net cash provided by operations during the three months ended March 31, 2015 decreased $9.3 million to $6.9 million, as compared to $16.2 million net cash provided by operations in the corresponding period of 2014. This decrease in operating cash flows for the first three months of 2015 is mainly attributable to increased current unbilled receivables recorded at the end of the quarter, partly offset by the improvement in billed accounts receivable as a result of continuous effort on reducing days outstanding for our billed receivables. The cash from the operating activities has been impacted by the higher working capital requirements associated with increased revenues, including growth in total compensation and benefits of our IT professionals, overhead expenses, and higher tax payments.

Investing Activities

Net cash used in investing activities during the three months ended March 31, 2015 increased $22.2 million to $33.9 million as compared to $11.7 million used in investing activities during the corresponding period of 2014. The increase was primarily attributable to a new $30.0 million time deposit set up by our Cyprus entity in the UK in March 2015, partly offset by $2.4 million spent on acquisition of business in the first quarter of 2014 with no spend on acquisitions in the first quarter of 2015.

Financing Activities

Net cash provided by financing activities during the three months ended March 31, 2015 was $1.5 million, a decrease of $1.6 million from the same period in 2014 primarily due to payment of deferred consideration in the amount of $2.8 million offset by $1.7 million of higher proceeds from stock option exercises.

Contractual Obligations and Future Capital Requirements

Contractual Obligations

Set forth below is information concerning our fixed and determinable contractual obligations as of March 31, 2015.

	Total		Less than 1 Year		1-3 Years		3-5 Years		More than 5 Years
	(in thousands)
Operating lease obligations	$	46,867	$	16,505	$	18,747	$	8,555	$	3,060
Other short-term obligations (1)	4,549		4,549		—		—		—
Employee Housing Program (2)	—		—		—		—		—
	$	51,416	$	21,054	$	18,747	$	8,555	$	3,060

(1) As of March 31, 2015, we estimated up to $4.5 million of additional investment could be required to complete construction of a 14,071 square meter office building within the High Technologies Park in Minsk, Belarus. Please see Note 9 to our unaudited condensed consolidated financial statements in “Part I. Item 1. Financial Statements” for further information.

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(2) In the third quarter of 2012, our Board of Directors approved the Employee Housing Program, which assists employees in purchasing housing in Belarus. As part of the program, we will extend financing to employees up to an aggregate amount of $10.0 million.

Future Capital Requirements

We believe that our existing cash and cash equivalents combined with our expected cash flow from operations will be sufficient to meet our projected operating and capital expenditure requirements for at least the next twelve months and that we possess the financial flexibility to execute our strategic objectives, including the ability to make acquisitions and strategic investments in the foreseeable future. Our ability to generate cash, however, is subject to our performance, general economic conditions, industry trends and other factors. To the extent that existing cash and cash equivalents and operating cash flow are insufficient to fund our future activities and requirements, we may need to raise additional funds through public or private equity or debt financing. If we issue equity securities in order to raise additional funds, substantial dilution to existing stockholders may occur. If we raise cash through the issuance of additional indebtedness, we may be subject to additional contractual restrictions on our business. There is no assurance that we would be able to raise additional funds on favorable terms or at all.

Off-Balance Sheet Commitments and Arrangements

We do not have any obligations under guarantee contracts or other contractual arrangements other than as disclosed in Note 9 of our financial statements in “Part I. Item 1. Financial Statements”. We have not entered into any transactions with unconsolidated entities whereby we have financial guarantees, subordinated retained interests, derivative instruments, or other contingent arrangements that expose us to material continuing risks, contingent liabilities, or any other obligation under a variable interest in an unconsolidated entity that provides financing, liquidity, market risk, or credit risk support to us, or engages in leasing, hedging, or research and development services with us.

Critical Accounting Policies

Revenue Recognition — We recognize revenue when realized or realizable and earned, which is when the following criteria are met: persuasive evidence of an arrangement exists; delivery has occurred; the sales price is fixed or determinable; and collectability is reasonably assured. Determining whether and when some of these criteria have been satisfied often involves assumptions and judgments that can have a significant impact on the timing and amount of revenue we report. If there is an uncertainty about the project completion or receipt of payment for the consulting services, revenues are deferred until the uncertainty is sufficiently resolved. At the time revenues are recognized, we provide for any contractual deductions and reduce revenues accordingly. We defer amounts billed to our clients for revenues not yet earned. Such amounts are anticipated to be recorded as revenues as services are performed in subsequent periods. Unbilled revenues represent services provided which are billed subsequent to the period end in accordance with the contract terms.

We derive our revenues from a variety of service offerings which represent specific competencies of our IT professionals. Contracts for these services have different terms and conditions based on the scope, deliverables, and complexity of the engagement which require management to make judgments and estimates in determining appropriate revenue recognition pattern. Fees for these contracts may be in the form of time-and-materials or fixed-price arrangements.

We report gross reimbursable “out-of-pocket” expenses incurred as both revenues and cost of revenues in the consolidated condensed statements of income and comprehensive income.

Fair Value of Financial Instruments — We make significant assumptions about fair values of our financial assets and liabilities and we utilize the following fair value hierarchy, prescribed by authoritative guidance, in forming those assumptions:

Level 1 - Quoted prices for identical assets or liabilities in active markets.

Level 2 - Inputs other than quoted prices within Level 1 that are observable either directly or indirectly, including quoted prices in markets that are not active, quoted prices in active markets for similar assets or liabilities, and observable inputs other than quoted prices such as interest rates or yield curves.

Level 3 - Unobservable inputs reflecting our view about the assumptions that market participants would use in pricing the asset or liability.

Where the fair values of financial assets and liabilities recorded in the consolidated balance sheets cannot be derived from an active market, they are determined using a variety of valuation techniques. These valuation techniques include a net present value technique, comparison to similar instruments with market observable inputs, options pricing models and other relevant valuation models. To the extent possible, observable market data is used as inputs into these models but when it is not feasible, a degree of judgment is required to establish fair values.

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Financial Assets and Liabilities Measured At Fair Value on a Recurring Basis

At March 31, 2015, contingent liabilities measured at fair value on a recurring basis comprised contingent consideration payable in cash and stock, performance-based awards issued to certain former owners of acquired businesses in exchange for future services, and certain other contractual liabilities.

We estimate the fair value of contingent liabilities based on certain performance milestones of the acquired businesses, and estimated probabilities of achievement, then discount the liabilities to present value using our cost of debt for the cash component of contingent consideration, and risk free rate for the stock component of a contractual contingency. Contingent liabilities are valued using significant inputs that are not observable in the market which are defined as Level 3 inputs pursuant to fair value measurement accounting. We believe our estimates and assumptions are reasonable, however, there is significant judgment involved. Changes in the fair value of contingent consideration liabilities primarily result from changes in the timing and amount of specific milestone estimates and changes in probability assumptions with respect to the likelihood of achieving the various earnout criteria. These changes could cause a material impact to, and volatility in our operating results.

Business Combinations — We account for our business combinations using the acquisition accounting method, which requires us to determine the fair value of net assets acquired, including related goodwill and other intangible assets. We identify and attribute fair values and estimated lives to the intangible assets acquired and allocate the total cost of an acquisition to the underlying net assets based on their respective estimated fair values. Determining the fair value of assets acquired and liabilities assumed requires management’s judgment and involves the use of significant estimates, including projections of future cash inflows and outflows, discount rates, asset lives and market multiples. There are different valuation models for each component, the selection of which requires considerable judgment. These determinations will affect the amount of amortization expense recognized in future periods. We base our fair value estimates on assumptions we believe are reasonable, but recognize that the assumptions are inherently uncertain.

If initial accounting for the business combination has not been completed by the end of the reporting period in which the business combination occurs, provisional amounts are reported for which the accounting is incomplete, with retrospective adjustment made to such provisional amounts during the measurement period to present new information about facts and circumstances that existed as of the acquisition date. Once the measurement period ends, and in no case beyond one year from the acquisition date, revisions of the accounting for the business combination are recorded in earnings.

All acquisition-related costs, other than the costs to issue debt or equity securities, are accounted for as expense in the period in which they are incurred. Changes in fair value of contingent consideration arrangements that are not measurement period adjustments are recognized in earnings. Payments to settle contingent consideration, if any, are reflected in cash flows from financing activities and the changes in fair value are reflected in cash flows from operating activities in our consolidated statements of cash flows.

Our acquisitions usually do not have significant amounts of tangible assets, as the principal assets typically acquired are customer relationships, trade names, non-competition agreements, and workforce. As a result, a substantial portion of the purchase price is allocated to goodwill and other intangible assets.

Goodwill and Other Intangible Assets — Goodwill and intangible assets that have indefinite useful lives are treated consistently with ASC 350. They are tested annually for impairment and are not amortized.

Intangible assets that have finite useful lives are amortized over their estimated useful lives on a straight-line basis. When facts and circumstances indicate potential impairment of amortizable intangible assets, we evaluate the recoverability of the asset’s carrying value, using estimates of undiscounted future cash flows that utilize a discount rate determined by management to be commensurate with the risk inherent in our business model over the remaining asset life. The estimates of future cash flows attributable to intangible assets require significant judgment based on our historical and anticipated results. Any impairment loss is measured by the excess of carrying value over fair value.

Stock-Based Compensation — Equity-based compensation cost relating to the issuance of share-based awards to employees is based on the fair value of the award at the date of grant, which is expensed ratably over the requisite service period, net of estimated forfeitures. The forfeiture assumption is ultimately adjusted to the actual forfeiture rate. Therefore, changes in the forfeiture assumptions may affect the timing of the total amount of expense recognized over the vesting period. The service period is the period over which the employee performs the related services, which is normally the same as the vesting period. Equity-based awards that do not require future service are expensed immediately. Equity-based awards that do not meet criteria for equity classification are recorded in liabilities and adjusted to fair value at the end of each reporting period. Distributions associated with liability-classified awards not expected to vest are accounted for as compensation expense in the consolidated statements of income and comprehensive income.

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Recent Accounting Pronouncements

See Note 11 to our unaudited condensed consolidated financial statements in “Part I. Item 1. Financial Statements” for additional information.

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Forward-Looking Statements

This quarterly report on Form 10-Q contains estimates and forward-looking statements, principally in “Part I. Item 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations” and “Part II. Item 1A. Risk Factors.” Our estimates and forward-looking statements are mainly based on our current expectations and estimates of future events and trends, which affect or may affect our businesses and operations. Although we believe that these estimates and forward-looking statements are based upon reasonable assumptions, they are subject to several risks and uncertainties and are made in light of information currently available to us. Important factors, in addition to the factors described in this quarterly report, may adversely affect our results as indicated in forward-looking statements. You should read this quarterly report and the documents that we have filed as exhibits hereto completely and with the understanding that our actual future results may be materially different from what we expect. The words “may,” “will,” “should,” “could,” “expect,” “plan,” “anticipate,” “believe,” “estimate,” “predict,” “intend,” “potential,” “might,” “would,” “continue” or the negative of these terms or other comparable terminology and similar words are intended to identify estimates and forward-looking statements. Estimates and forward-looking statements speak only as of the date they were made, and, except to the extent required by law, we undertake no obligation to update, to revise or to review any estimate and/or forward-looking statement because of new information, future events or other factors. Estimates and forward-looking statements involve risks and uncertainties and are not guarantees of future performance. As a result of the risks and uncertainties described above, the estimates and forward-looking statements discussed in this quarterly report might not occur and our future results, level of activity, performance or achievements may differ materially from those expressed in these forward-looking statements due to, including, but not limited to, the factors mentioned above, and the differences may be material and adverse. Because of these uncertainties, you should not place undue reliance on these forward-looking statements.

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Item 3. Quantitative and Qualitative Disclosures About Market Risk

We are exposed to certain market risks in the ordinary course of our business. These risks result primarily from changes in foreign currency exchange rates and interest rates, and concentration of credit risks. In addition, our international operations are subject to risks related to differing economic conditions, changes in political climate, differing tax structures, and other regulations and restrictions.

Concentration of Credit and Other Credit Risks

Financial instruments that potentially subject us to significant concentrations of credit risk consist primarily of employee loans receivable, cash and cash equivalents, trade accounts receivable and unbilled revenues.

At March 31, 2015, loans issued to employees were $6.3 million, or 1.0% of our total assets. These loans potentially expose us to a risk of non-payment and loss. Repayment of these loans is primarily dependent on the personal income of borrowers obtained through their employment with EPAM and may be adversely affected by macroeconomic changes, such as higher unemployment levels, currency devaluation and inflation. Additionally, the continuing financial stability of a borrower may be adversely affected by job loss, divorce, illness or personal bankruptcy. We also face the risk that the collateral will be insufficient to compensate us for loan losses, if any, and costs of foreclosure. Decreases in real estate values could adversely affect the value of property used as collateral, and we may be unsuccessful in recovering the remaining balance from either the borrower and/or guarantors.

We maintain our cash and cash equivalents and short-term investments with financial institutions. We believe that our credit policies reflect normal industry terms and business risk. We do not anticipate non-performance by the counterparties. As of March 31, 2015, $82.1 million of total cash was held in CIS countries, with $55.3 million of that in Belarus. Banking and other financial systems in the CIS region are less developed and regulated than in some more developed markets, and legislation relating to banks and bank accounts is subject to varying interpretations and inconsistent application. Banks in the CIS region generally do not meet the banking standards of more developed markets and bank deposits made by corporate entities in the CIS region are not insured. The CIS banking sector remains subject to periodic instability and the transparency of the banking sector lags behind international standards. Particularly in Belarus, a banking crisis, bankruptcy or insolvency of banks that process or hold our funds, may result in the loss of our deposits or adversely affect our ability to complete banking transactions in the CIS region, which could materially adversely affect our business and financial condition. Cash in other CIS locations is used for short term operational needs and cash balances in those banks move with the needs of the entities.

Trade accounts receivable and unbilled revenues are generally dispersed across our clients in proportion to their revenues. As of March 31, 2015, billed trade receivables from one customer, UBS AG, individually exceeded 10% and accounted for 15.6% of our total billed trade receivables as of that date. As of March 31, 2015, unbilled trade receivables from two customers, UBS AG and Barclays, individually exceeded 10% and accounted for 27.1% of our total unbilled trade receivables as of that date.

During the three months ended March 31, 2015, our top five customers accounted for 35.5% of our total revenues, and our top ten customers accounted for 46.4% of our total revenues, respectively. During the three months ended March 31, 2014, our top five customers accounted for 33.5% of our total revenues, and our top ten customers accounted for 45.5% of our total revenues, respectively.

During the three months ended March 31, 2015, the Company had one customer, UBS AG, with revenues of $30.9 million, which accounted for more than 10% of total revenues in the period indicated. During the three months ended March 31, 2014, revenues from one customer, UBS AG, were $20.0 million and accounted for 12.5% of our total revenues. Revenues from this customer do not include reimbursable expenses.

Credit losses and write-offs of trade accounts receivable balances have historically not been material to our condensed consolidated financial statements.

Interest Rate Risk

Our exposure to market risk is mainly influenced by the changes in interest rates received on our cash and cash equivalent deposits and paid on any outstanding balance on our revolving line of credit, which is subject to a variety of rates depending on the type and timing of funds borrowed. As of March 31, 2015 we have not borrowed under the line of credit and did not have any outstanding debt. We do not use derivative financial instruments to hedge our risk of interest rate volatility.

We also do not believe that employee loans issued by us under the Employee Housing Program expose us to significant interest rate risks. These loans are designed to be a retention mechanism for our employees in Belarus and are financed with available funds of our Belarusian subsidiary.

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We have not been exposed to material risks due to changes in market interest rates. However, our future interest expense may increase and interest income may fall due to changes in market interest rates.

Foreign Exchange Risk

Our condensed consolidated financial statements are reported in U.S. dollars. Our international operations expose us to foreign currency exchange rate changes that could impact translations of foreign denominated assets and liabilities into U.S. dollars and future earnings and cash flows from transactions denominated in different currencies. Our exposure to currency exchange rate changes is diversified due to the variety of countries and currencies in which we conduct business. Outside of the United States we operate primarily through wholly owned subsidiaries in Canada, Europe, Asia, and the CIS and CEE regions and generate a significant portion of our revenues in currencies other than the U.S. dollar, principally, euros, British pounds sterling, Canadian dollars, and Russian rubles. We incur expenditures in non-U.S. dollar currencies, principally in Hungarian forints, euros, Russian rubles, Polish zlotys, Hong Kong dollars and China yuan renminbi (“CNY”) associated with our delivery centers located in the CEE, Europe and APAC regions. We are exposed to fluctuations in foreign currency exchange rates primarily on accounts receivable and unbilled revenues from sales in these foreign currencies and cash outflows for expenditures in foreign currencies. We do not use derivative financial instruments to hedge the risk of foreign exchange volatility. Our results of operations can be affected if any of the currencies, which we use materially in our business, appreciate or depreciate against the U.S. dollar. Our exchange rate risk primarily arises from our foreign currency revenues and expenses.

Based on our results of operations for the first quarter of 2015, if currencies were not impacted by foreign exchange fluctuations and results were evaluated on the constant currency basis compared to the results of the first quarter in 2014, our consolidated revenue would have been higher by 6.7%. Revenue has been negatively impacted by all currencies when compared on the constant currency basis to the first quarter of 2014 with main differences coming from the decline in the Russian ruble, euro, British pound sterling and Canadian dollar. If compared on the same constant currency basis, our net income would have been lower by 10.0% as the impact from the currency declines also had a favorable impact on the expenses at our offshore delivery centers. Net income in the first quarter of 2015 compared on the constant currency basis to the first quarter of 2014 was impacted positively by the Russian ruble, Hungarian forint and Polish zloty, which was partially offset by the negative impact from the euro, British pounds sterling and Canadian dollar.

To the extent that we need to convert U.S. dollars into foreign currencies for our operations, appreciation of such foreign currencies against the U.S. dollar would adversely affect the amount of such foreign currencies we receive from the conversion. Sensitivity analysis is used as a primary tool in evaluating the effects of changes in foreign currency exchange rates, interest rates and commodity prices on our business operations. The analysis quantifies the impact of potential changes in these rates and prices on our earnings, cash flows and fair values of assets and liabilities during the forecast period, most commonly within a one-year period. The ranges of changes used for the purpose of this analysis reflect our view of changes that are reasonably possible during the forecast period. Fair values are the present value of projected future cash flows based on market rates and chosen prices. Changes in the currency exchange rates resulted in our reporting a net transactional foreign currency exchange losses of $5.7 million and $1.3 million during the three months ended March 31, 2015 and 2014, respectively. Increase in net foreign exchange loss in the first quarter of 2015 as compared to the same period of 2014 was primarily attributable to changes in exchange rates of Russian ruble, euro, British pound sterling and Canadian dollar against U.S. dollar in the periods indicated, including realized losses from foreign currency conversions. These losses are included in our condensed consolidated statements of income and comprehensive income.

Additionally, foreign currency translation adjustments from translating financial statements of our foreign subsidiaries from functional currency to the U.S. dollars are recorded as a separate component of stockholders’ equity or included in the consolidated statements of income and comprehensive income if local currencies of our foreign subsidiaries differ from their functional currencies. As of March 31, 2015, approximately 24.3% of our total net assets were subject to foreign currency translation exposure, as compared to 21.9% as of December 31, 2014, and approximately 54.0% of our net income in the first quarter of 2015 was generated by subsidiaries for which the functional currency was not U.S. dollars, as compared to 63.5% in the first quarter of 2014. During the quarters ended March 31, 2015 and 2014, we recorded $2.7 million of translation losses and $3.6 million of translation gains, respectively, within our condensed consolidated statements of income and comprehensive income. During the periods presented, our condensed consolidated statements of income and comprehensive income were not materially affected by gains or losses arising from translating financial statements of our foreign subsidiaries from functional currency to U.S. dollars.

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Item 4. Controls and Procedures

Conclusion Regarding the Effectiveness of Disclosure Controls and Procedures

Based on management’s evaluation, with the participation of our Chief Executive Officer (CEO) and Chief Financial Officer (CFO), as of the end of the period covered by this report, our CEO and CFO have concluded that our disclosure controls and procedures (as defined in Rules 13a-15(e) and 15d-15(e) under the Securities Exchange Act of 1934, as amended (the "Exchange Act"), are effective to provide reasonable assurance that information required to be disclosed by us in reports that we file or submit under the Exchange Act is recorded, processed, summarized and reported within the time periods specified in SEC rules and forms, and is accumulated and communicated to management, including our principal executive officer and principal financial officer, as appropriate, to allow timely decisions regarding required disclosure.

Changes in Internal Control Over Financial Reporting

There has been no change in our internal control over financial reporting during the quarter ended March 31, 2015 that has materially affected, or is reasonably likely to materially affect, our internal control over financial reporting.

PART II. OTHER INFORMATION

Item 1. Legal Proceedings

From time to time, we are involved in litigation and claims arising out of our operations in the normal course of business. We are not currently a party to any material legal proceeding. In addition, we are not aware of any material legal or governmental proceedings against us, or contemplated to be brought against us.

Item 1A. Risk Factors

There have been no material changes with respect to the risk factors disclosed in “Part I. Item 1A.Risk Factors” of our Annual Report on Form 10-K for the fiscal year ended December 31, 2014.

Item 2. Unregistered Sales of Equity Securities and Use of Proceeds

None.

Item 3. Defaults Upon Senior Securities

None.

Item 4. Mine Safety Disclosures

Not Applicable.

Item 5. Other Information

None.

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Item 6. Exhibits

Exhibit Number	Description
10.1	Form of Chief Executive Officer Restricted Stock Unit Award Agreement
10.2	Form of Senior Management Restricted Stock Unit Award Agreement
10.3	Amended 2012 Non-Employee Directors Compensation Plan
10.4	Amended Non-Employee Director Compensation Policy
31.1	Certification of the Chief Executive Officer pursuant to Rule 13a-14(a)/15d-14(a) of the Securities Exchange Act of 1934
31.2	Certification of the Chief Financial Officer pursuant to Rule 13a-14(a)/15d-14(a) of the Securities Exchange Act of 1934
32.1	Certification of the Chief Executive Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
32.2	Certification of the Chief Financial Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
101.INS	XBRL Instance Document
101.SCH	XBRL Taxonomy Extension Schema Document
101.CAL	XBRL Taxonomy Extension Calculation Linkbase Document
101.DEF	XBRL Taxonomy Extension Definition Linkbase Document
101.LAB	XBRL Taxonomy Extension Label Linkbase Document
101.PRE	XBRL Taxonomy Extension Presentation Linkbase Document

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SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

Date: May 7, 2015

EPAM SYSTEMS, INC.
By:	/s/ Arkadiy Dobkin
	Name: Arkadiy Dobkin
	Title: Chairman, Chief Executive Officer and President (principal executive officer)
By:	/s/ Anthony J. Conte
	Name: Anthony J. Conte
	Title: Vice President, Chief Financial Officer and Treasurer (principal financial officer and principal accounting officer)

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EX-10.1

EPAM SYSTEMS, INC.

2012 LONG-TERM INCENTIVE PLAN

FORM OF CHIEF EXECUTIVE OFFICER RESTRICTED STOCK UNIT AWARD AGREEMENT

1. Grant of RSUs. EPAM Systems, Inc., a Delaware corporation (the “Company”), hereby grants to «Grantee» (the “Participant”), on «Date» (the “Grant Date”), «Number of Shares underlying award» restricted share units (the “RSUs”), subject to the terms, definitions and provisions of the EPAM Systems, Inc. 2012 Long-Term Incentive Plan (the “Plan”) adopted by the Company, which is incorporated in this Agreement by reference, and the terms and conditions of this Agreement. Each RSU shall represent the right to receive one Share upon the vesting of such RSU in accordance with this Agreement. Unless otherwise defined in this Agreement, the terms used in this Agreement shall have the meanings defined in the Plan.

2. Vesting Schedule and Distribution. Subject to Section 5, the RSUs shall vest and become non-forfeitable one-fourth on each of the first, second, third and fourth anniversaries of the Grant Date. Subject to the provisions of this Agreement, upon the vesting of any of the RSUs, the Company shall distribute to the Participant, on or within 30 days after the date of such vesting, one Share for each such RSU; provided that (x) any required regulatory filings, including, without limitation, any filings that may be required pursuant to the Hart-Scott-Rodino Act in connection with the vesting and settlement of the RSUs, have been timely filed and any required waiting period under the Hart-Scott-Rodino Act has expired or been terminated or (y) the vesting and settlement of the RSUs do not require any such regulatory filings.

3.     Voting Rights. The Participant shall have no voting rights with respect to the RSUs unless and until the Participant becomes the record owner of the Shares underlying the RSUs.

4.    Dividend Equivalents. The Participant shall not be eligible to receive dividend equivalents with respect to the RSUs unless and until the Participant becomes the record owner of the Shares underlying the RSUs.

5. Termination of Service. Following the Participant’s Termination of Service, the RSUs shall vest and settle or be forfeited as set forth in this Section 5.

(a) Death or Disability.  In the event of the Participant’s Termination of Service at any time due to the Participant’s death or Disability, any unvested RSUs shall be forfeited as of the date of such termination without any payment to the Participant.

(b) For Cause.  In the event of the Participant’s Termination of Service for Cause (as defined below), any unvested RSUs shall be forfeited as of the date of such termination without any payment to the Participant.

“Cause” means the Company’s good faith determination of the Participant’s:

(i) willful material breach, or habitual neglect of, the Participant’s duties or obligations in connection with the Participant’s employment or service;

(ii) having engaged in willful misconduct, gross negligence or a breach of fiduciary duty, or his or her willful material breach of his or her duties to the Company or under his or her Employment Agreement, if applicable, or of any of the Company policies;

(iii) having been convicted of, or having entered a plea bargain or settlement admitting guilt for, (x) a felony or (y) any other criminal offense involving moral turpitude, fraud or, in the course of the performance of the Participant’s service to the Company, material dishonesty;

(iv) unlawful use or possession of illegal drugs on the Company’s premises or while     performing the Participant’s duties and responsibilities to the Company; or

(v) the commission of an act of fraud, embezzlement or material misappropriation, in each case, against the Company or any Affiliate;

provided that, in the case of clauses (i) and (ii) above, the Company shall provide the Participant with written notice specifying the circumstances alleged to constitute Cause, and, if possible, the Participant shall have 30 days following receipt of such notice to cure such circumstances.

(c) Termination in Connection with a Change of Control. In the event of the Participant’s Termination of Service by the Company or any Affiliate without Cause or by the Participant for Good Reason (as defined below), in each case, on or within two years after a Change of Control, any unvested RSUs shall fully vest as of the date of such termination.

“Good Reason” means “Good Reason” as defined in the Participant’s Employment Agreement, if any, or if not so defined, the occurrence of any of the following events, in each case without the Participant’s consent:

(i) a reduction in the Participant’s base compensation and cash incentive opportunity, other than any such reduction that applies generally to similarly situated employees or executives of the Company;

(ii) relocation of the geographic location of the Participant’s principal place of employment or service by more than 50 miles from the Participant’s principal place of employment or service; or

(iii) a material reduction in the Participant’s title, duties, responsibilities or authority;

provided that, in each case, (A) the Participant shall provide the Company with written notice specifying the circumstances alleged to constitute Good Reason within 90 days following the first occurrence of such circumstances, (B) if possible, the Company shall have 30 days following receipt of such notice to cure such circumstances, and (C) if the Company has not cured such circumstances within such 30-day period, the Participant shall terminate his or her employment or service not later than 60 days after the end of such 30-day period.

(d) For Any Other Reason. In the event of the Participant’s Termination of Service at any time under circumstances not described in Sections 5(a), 5(b) or 5(c), any unvested RSUs shall be forfeited as of the date of such termination without any payment to the Participant.

6. Non-Transferability Until Distribution. The RSUs shall not be assigned, sold, transferred or otherwise be subject to alienation by the Participant. Upon the distribution of Shares underlying RSUs in accordance with Section 2, such Shares shall be fully assignable, saleable and transferable by the Participant. Any assignment, sale, transfer or other alienation with respect to the Shares issuable upon the vesting of the RSUs shall be in accordance with applicable securities laws.

7. Miscellaneous Provisions.

(a)Notices. All notices, requests and other communications under this Agreement shall be in writing and shall be delivered in person (by courier or otherwise), mailed by certified or registered mail, return receipt requested, or sent by facsimile transmission, as follows:

if to the Company, to:

EPAM Systems, Inc.

41 University Drive

2

Newtown, Pennsylvania 18940

Attention: General Counsel

Facsimile: 267-759-8989

if to the Participant, to the address that the Participant most recently provided to the Company,or to such other address or facsimile number as such party may hereafter specify for the purpose by notice to the other parties hereto.

(b)Effect of Agreement. The Participant acknowledges receipt of a copy of the Plan and represents that he or she is familiar with the terms and provisions thereof (and has had an opportunity to consult counsel regarding the terms of the RSUs), and hereby accepts the RSUs and agrees to be bound by its contractual terms as set forth herein and in the Plan. The Participant acknowledges and agrees that the grant of the RSUs constitutes additional consideration to the Participant for the Participant’s continued and future compliance with any restrictive covenants in favor of the Company by which the Participant is otherwise bound. The Participant hereby agrees to accept as binding, conclusive and final all decisions and interpretations of the Committee regarding any questions relating to the RSUs. In the event of a conflict between the terms and provisions of the Plan and the terms and provisions of this Agreement, the Plan terms and provisions shall prevail. The Agreement, including the Plan, constitutes the entire agreement between the Participant and the Company on the subject matter hereof and supersedes all proposals, written or oral, and all other communications between the parties relating to such subject matter.

(c)Amendment; Waiver.  No amendment or modification of any provision of this Agreement shall be effective unless signed in writing by or on behalf of the Company and the Participant, except that the Company may amend or modify this Agreement without the Participant’s consent in accordance with the provisions of the Plan or as otherwise set forth in this Agreement. No waiver of any breach or condition of this Agreement shall be deemed to be a waiver of any other or subsequent breach or condition whether of like or different nature. Any amendment or modification of or to any provision of this Agreement, or any waiver of any provision of this Agreement, shall be effective only in the specific instance and for the specific purpose for which made or given.

(d)Successors and Assigns; No Third Party Beneficiaries.  This Agreement shall inure to the benefit of and be binding upon the Company and the Participant and their respective heirs, successors, legal representatives and permitted assigns. Nothing in this Agreement, expressed or implied, is intended to confer on any Person other than the Company and the Participant, and their respective heirs, successors, legal representatives and permitted assigns, any rights, remedies, obligations or liabilities under or by reason of this Agreement.

(e)Severability. If any provision of this Agreement shall be declared by any court or arbitrator of competent jurisdiction to be invalid, illegal or incapable of being enforced in whole or in part, the remaining conditions and provisions or portions thereof shall nevertheless remain in full force and effect and enforceable to the extent they are valid, legal and enforceable.

(f)Dispute Resolution. If any dispute arising out of or relating to this Agreement or the Plan, or the breach thereof, cannot be settled through negotiation, the parties agree first to try in good faith to settle such dispute by mediation. If the parties fail to settle such dispute within 30 days after the commencement of such mediation, such dispute shall be settled by arbitration conducted in the state of Pennsylvania and judgment on the arbitral award rendered may be entered in any court having jurisdiction thereof.

IN WITNESS WHEREOF, the parties have executed this Agreement as of the day and year first written above.

3

EPAM SYSTEMS, INC.
By:
	Name:
	Title:
Participant

4

EX-10.2

EPAM SYSTEMS, INC.

2012 LONG-TERM INCENTIVE PLAN

FORM OF SENIOR MANAGEMENT RESTRICTED STOCK UNIT AWARD AGREEMENT

1. Grant of RSUs. EPAM Systems, Inc., a Delaware corporation (the “Company”), hereby grants to «Grantee» (the “Participant”), on «Date» (the “Grant Date”), «Number of Shares underlying award» restricted share units (the “RSUs”), subject to the terms, definitions and provisions of the EPAM Systems, Inc. 2012 Long-Term Incentive Plan (the “Plan”) adopted by the Company, which is incorporated in this Agreement by reference, and the terms and conditions of this Agreement. Each RSU shall represent the right to receive one Share upon the vesting of such RSU in accordance with this Agreement. Unless otherwise defined in this Agreement, the terms used in this Agreement shall have the meanings defined in the Plan.

2. Vesting Schedule and Distribution. Subject to Section 5, the RSUs shall vest and become non-forfeitable one-fourth on each of the first, second, third and fourth anniversaries of the Grant Date. Subject to the provisions of this Agreement, upon the vesting of any of the RSUs, the Company shall distribute to the Participant, on or within 30 days after the date of such vesting, one Share for each such RSU.

3.     Voting Rights. The Participant shall have no voting rights with respect to the RSUs unless and until the Participant becomes the record owner of the Shares underlying the RSUs.

4.    Dividend Equivalents. The Participant shall not be eligible to receive dividend equivalents with respect to the RSUs unless and until the Participant becomes the record owner of the Shares underlying the RSUs.

5. Termination of Service. Following the Participant’s Termination of Service, the RSUs shall vest and settle or be forfeited as set forth in this Section 5.

(a) Death or Disability.  In the event of the Participant’s Termination of Service at any time due to the Participant’s death or Disability, any unvested RSUs shall be forfeited as of the date of such termination without any payment to the Participant.

(b) For Cause.  In the event of the Participant’s Termination of Service for Cause (as defined below), any unvested RSUs shall be forfeited as of the date of such termination without any payment to the Participant.

“Cause” means the Company’s good faith determination of the Participant’s:

(i) willful material breach, or habitual neglect of, the Participant’s duties or obligations in connection with the Participant’s employment or service;

(ii) having engaged in willful misconduct, gross negligence or a breach of fiduciary duty, or his or her willful material breach of his or her duties to the Company or under his or her Employment Agreement, if applicable, or of any of the Company policies;

(iii) having been convicted of, or having entered a plea bargain or settlement admitting guilt for, (x) a felony or (y) any other criminal offense involving moral turpitude, fraud or, in the course of the performance of the Participant’s service to the Company, material dishonesty;

(iv) unlawful use or possession of illegal drugs on the Company’s premises or while     performing the Participant’s duties and responsibilities to the Company; or

(v) the commission of an act of fraud, embezzlement or material misappropriation, in each case, against the Company or any Affiliate;

provided that, in the case of clauses (i) and (ii) above, the Company shall provide the Participant with written notice specifying the circumstances alleged to constitute Cause, and, if possible, the Participant shall have 30 days following receipt of such notice to cure such circumstances.

(c) Termination in Connection with a Change of Control. In the event of the Participant’s Termination of Service by the Company or any Affiliate without Cause or by the Participant for Good Reason (as defined below), in each case, on or within two years after a Change of Control, any unvested RSUs shall fully vest as of the date of such termination.

“Good Reason” means “Good Reason” as defined in the Participant’s Employment Agreement, if any, or if not so defined, the occurrence of any of the following events, in each case without the Participant’s consent:

(i) a reduction in the Participant’s base compensation and cash incentive opportunity, other than any such reduction that applies generally to similarly situated employees or executives of the Company;

(ii) relocation of the geographic location of the Participant’s principal place of employment or service by more than 50 miles from the Participant’s principal place of employment or service; or

(iii) a material reduction in the Participant’s title, duties, responsibilities or authority;

provided that, in each case, (A) the Participant shall provide the Company with written notice specifying the circumstances alleged to constitute Good Reason within 90 days following the first occurrence of such circumstances, (B) if possible, the Company shall have 30 days following receipt of such notice to cure such circumstances, and (C) if the Company has not cured such circumstances within such 30-day period, the Participant shall terminate his or her employment or service not later than 60 days after the end of such 30-day period.

(d) For Any Other Reason. In the event of the Participant’s Termination of Service at any time under circumstances not described in Sections 5(a), 5(b) or 5(c), any unvested RSUs shall be forfeited as of the date of such termination without any payment to the Participant.

6. Non-Transferability Until Distribution. The RSUs shall not be assigned, sold, transferred or otherwise be subject to alienation by the Participant. Upon the distribution of Shares underlying RSUs in accordance with Section 2, such Shares shall be fully assignable, saleable and transferable by the Participant. Any assignment, sale, transfer or other alienation with respect to the Shares issuable upon the vesting of the RSUs shall be in accordance with applicable securities laws.

7. Miscellaneous Provisions.

(a)Notices. All notices, requests and other communications under this Agreement shall be in writing and shall be delivered in person (by courier or otherwise), mailed by certified or registered mail, return receipt requested, or sent by facsimile transmission, as follows:

if to the Company, to:

EPAM Systems, Inc.

41 University Drive

Newtown, Pennsylvania 18940

Attention: General Counsel

Facsimile: 267-759-8989

2

if to the Participant, to the address that the Participant most recently provided to the Company,or to such other address or facsimile number as such party may hereafter specify for the purpose by notice to the other parties hereto.

(b)Effect of Agreement. The Participant acknowledges receipt of a copy of the Plan and represents that he or she is familiar with the terms and provisions thereof (and has had an opportunity to consult counsel regarding the terms of the RSUs), and hereby accepts the RSUs and agrees to be bound by its contractual terms as set forth herein and in the Plan. The Participant acknowledges and agrees that the grant of the RSUs constitutes additional consideration to the Participant for the Participant’s continued and future compliance with any restrictive covenants in favor of the Company by which the Participant is otherwise bound. The Participant hereby agrees to accept as binding, conclusive and final all decisions and interpretations of the Committee regarding any questions relating to the RSUs. In the event of a conflict between the terms and provisions of the Plan and the terms and provisions of this Agreement, the Plan terms and provisions shall prevail. The Agreement, including the Plan, constitutes the entire agreement between the Participant and the Company on the subject matter hereof and supersedes all proposals, written or oral, and all other communications between the parties relating to such subject matter.

(c)Amendment; Waiver.  No amendment or modification of any provision of this Agreement shall be effective unless signed in writing by or on behalf of the Company and the Participant, except that the Company may amend or modify this Agreement without the Participant’s consent in accordance with the provisions of the Plan or as otherwise set forth in this Agreement. No waiver of any breach or condition of this Agreement shall be deemed to be a waiver of any other or subsequent breach or condition whether of like or different nature. Any amendment or modification of or to any provision of this Agreement, or any waiver of any provision of this Agreement, shall be effective only in the specific instance and for the specific purpose for which made or given.

(d)Successors and Assigns; No Third Party Beneficiaries.  This Agreement shall inure to the benefit of and be binding upon the Company and the Participant and their respective heirs, successors, legal representatives and permitted assigns. Nothing in this Agreement, expressed or implied, is intended to confer on any Person other than the Company and the Participant, and their respective heirs, successors, legal representatives and permitted assigns, any rights, remedies, obligations or liabilities under or by reason of this Agreement.

(e)Severability. If any provision of this Agreement shall be declared by any court or arbitrator of competent jurisdiction to be invalid, illegal or incapable of being enforced in whole or in part, the remaining conditions and provisions or portions thereof shall nevertheless remain in full force and effect and enforceable to the extent they are valid, legal and enforceable.

(f)Dispute Resolution. If any dispute arising out of or relating to this Agreement or the Plan, or the breach thereof, cannot be settled through negotiation, the parties agree first to try in good faith to settle such dispute by mediation. If the parties fail to settle such dispute within 30 days after the commencement of such mediation, such dispute shall be settled by arbitration conducted in the state of Pennsylvania and judgment on the arbitral award rendered may be entered in any court having jurisdiction thereof.

IN WITNESS WHEREOF, the parties have executed this Agreement as of the day and year first written above.

3

EPAM SYSTEMS, INC.
By:
	Name:
	Title:
Participant

4

EX-10.3

AMENDED AND RESTATED

EPAM SYSTEMS, INC.

NON-EMPLOYEE DIRECTORS COMPENSATION PLAN

SECTION 1.Purpose. The purpose of the EPAM Systems, Inc. Non-Employee Directors Compensation Plan (the “Plan”) is to attract and retain the services of experienced non-employee directors for EPAM Systems, Inc. (the “Company”) by providing them with compensation for their services in the form of cash and/or shares of the Company’s common stock, thereby promoting the long term growth and financial success of the Company and furthering the best interests of its shareholders.

SECTION 2.Definitions. As used in the Plan, the following terms shall have the meanings set forth below:

a)“Award” means any Option, Restricted Stock, RSU, Other Stock-Based Award or Retainer granted under the Plan.

b)“Award Document” means any agreement, contract or other instrument or document evidencing any Award granted under the Plan, which may, but need not, be executed or acknowledged by a Participant.

c)“Beneficiary” means a person entitled to receive payments or other benefits or exercise rights that are available under the Plan in the event of a Participant’s death. If no such person is named by a Participant, or if no Beneficiary designated by such Participant is eligible to receive payments or other benefits or exercise rights that are available under the Plan at such Participant’s death, such Participant’s Beneficiary shall be such Participant’s estate.

d)“Board” means the board of directors of the Company.

e)“Change in Control” means the occurrence of any one or more of the following events:

i.any Person, other than an employee benefit plan or trust maintained by the Company, becomes the “beneficial owner” (as defined in Rule 13d-3 under the Exchange Act), directly or indirectly, of securities of the Company representing more than 50% of the combined voting power of the Company’s outstanding securities entitled to vote generally in the election of directors;

ii.at any time during a period of 24 consecutive months, individuals who at the beginning of such period constituted the Board and any new member of the Board whose election or nomination for election was approved by a vote of at least a majority of the directors then still in office who either were directors at the beginning of such period or whose election or nomination for election was so approved, cease for any reason to constitute a majority of members of the Board; or

iii.the consummation of (A) a merger or consolidation of the Company or any of its subsidiaries with any other corporation or entity, other than a merger or consolidation which would result in the voting securities of the Company outstanding immediately prior to such merger or consolidation continuing to represent (either by remaining outstanding or being converted into voting securities of the surviving entity or, if applicable, the ultimate parent thereof) at least 50% of the combined voting power and total fair market value of the securities of the Company or such surviving entity or parent outstanding immediately after such merger or consolidation, or (B) any sale, lease, exchange or other transfer to any Person of assets of the Company and/or any of its subsidiaries, in one transaction or a series of related transactions, having an aggregate fair market value of more than 50% of the fair market value of the Company and its subsidiaries (the “Company Value”) immediately prior to such transaction(s), but only to the extent that, in connection with such transaction(s) or within a reasonable period thereafter, the Company’s stockholders receive distributions of cash and/or assets having a fair market value that is greater than 50% of the Company Value immediately prior to such transaction(s).

Notwithstanding the foregoing or any provision of any Award Document to the contrary, for any Award that provides for accelerated distribution on a Change in Control of amounts that constitute “deferred compensation” (as defined in Section 409A of the Code and the regulations thereunder (“Section 409A”)), if the event that constitutes such Change in Control does not also constitute a change in the ownership or effective control of the Company, or in the ownership of a substantial portion of the Company’s assets (in either case, as defined in Section 409A), such amount shall not be distributed on such Change in Control but instead shall vest as of the date of such Change in Control and shall be paid on the scheduled payment date specified in the applicable Award Document, except to the extent that earlier distribution would not result in the Participant who holds such Award incurring interest or additional tax under Section 409A.

f)“Code” means the Internal Revenue Code of 1986, as amended from time to time, and the rules, regulations and guidance thereunder. Any reference to a provision in the Code shall include any successor provision thereto.

g)“Effective Date” means the date on which the Plan is adopted by the Board.

h)“Exchange Act” means the Securities Exchange Act of 1934, as amended from time to time, and the rules, regulations and guidance thereunder. Any reference to a provision in the Exchange Act shall include any successor provision thereto.

i)“Fair Market Value” means (i) with respect to Shares, the closing price of a Share on the day prior to the date in question (or, if there is no reported sale on such prior day, on the last preceding date on which any reported sale occurred) on the principal stock market or exchange on which the Shares are quoted or traded, or if Shares are not so quoted or traded, fair market value as determined by the Board or a committee of the Board, and (ii) with respect to any property other than Shares, the fair market value of such property determined by such methods or procedures as shall be established from time to time by the Board or a committee of the Board.

j)“Option” means an option representing the right to purchase Shares from the Company, granted pursuant to Section 6.

k)“Other Stock-Based Award” means an Award granted pursuant to Section 8.

l)“Participant” means the recipient of an Award granted under the Plan.

m)“Person” has the meaning ascribed to such term in Section 3(a)(9) of the Exchange Act and used in Sections 13(d) and 14(d) thereof, including “group” as defined in Section 13(d) thereof.

n)“Restricted Stock” means any Share granted pursuant to Section 7.

o)“Retainer” means an annual cash retainer payable pursuant to Section 10 for service as (i) a member of the Board or a committee of the Board or (ii) chair or lead director of the Board or chair of any such committee.

p)“RSU” means a contractual right granted pursuant to Section 7 that is denominated in Shares. Each RSU represents a right to receive the value of one Share (or a percentage of such value) in Shares. Awards of RSUs may include the right to receive dividend equivalents.

q)“Shares” means shares of the Company’s common stock.

SECTION 3.Eligibility. Each member of the Board that is not an employee of the Company or any of its subsidiaries shall be eligible to receive Awards under the Plan.

SECTION 4. Administration.

a)The Plan shall be administered by the Board. The Board may issue rules and regulations for administration of the Plan. The Board shall meet at such times and places as it may determine.

b)Subject to the terms of the Plan and applicable law, the Board shall have full power and authority to: (i) designate Participants; (ii) determine the type or types of Awards to be granted to each Participant under the Plan; (iii) determine the number of Shares to be covered by (or with respect to which payments, rights or other matters are to be calculated in connection with) Awards; (iv) determine the terms and conditions of any Award; (v) determine whether, to what extent and under what circumstances Awards may be settled or exercised in cash, Shares, other Awards, other property, or any combination thereof, or canceled, forfeited or suspended, and the method or methods by which Awards may be settled, exercised, canceled, forfeited or suspended; (vi) determine whether, to what extent and under what circumstances cash, Shares, other Awards, other property and other amounts payable with respect to an Award under the Plan shall be deferred either automatically or at the election of the holder thereof or of the Board; (vii) interpret and administer the Plan and any instrument or agreement relating to, or Award made under, the Plan; (viii) establish, amend, suspend or waive such rules and regulations and appoint such agents as it shall deem appropriate for the proper administration of the Plan; and (ix) make any other determination and take any other action that the Board deems necessary or desirable for the administration of the Plan.

c)All decisions of the Board shall be final, conclusive and binding upon all parties, including the Company, its shareholders and the Participants and any Beneficiaries thereof.

SECTION 5. Shares Available for Awards.

a) Subject to adjustment as provided in Section 5(c), the maximum number of Shares available for issuance under the Plan shall not exceed 600,000 Shares in the aggregate.

b) Any Shares subject to an Award that expires, is canceled, forfeited or otherwise terminates without the delivery of such Shares, including (i) the number of Shares surrendered or withheld in payment of any grant, purchase, exercise or hurdle price of an Award or taxes related to an Award and (ii) any Shares subject to an Award to the extent that Award is settled without the issuance of Shares, shall again be, or shall become, available for issuance under the Plan.

c) In the event that the Board determines that, as a result of any dividend or other distribution (whether in the form of cash, Shares or other securities), recapitalization, stock split, reverse stock split, reorganization, merger, consolidation, split-up, spin-off, combination, repurchase or exchange of Shares or other securities of the Company, issuance of warrants or other rights to purchase Shares or other securities of the Company, issuance of Shares pursuant to the anti-dilution provisions of securities of the Company, or other similar corporate transaction or event affecting the Shares, or of changes in applicable laws, regulations or accounting principles, an adjustment is appropriate in order to prevent dilution or enlargement of the benefits or potential benefits intended to be made available under the Plan, then the Board shall adjust equitably any or all of:

(i)    the number and type of Shares (or other securities) which thereafter may be made the subject of Awards, including the aggregate Share limit specified in Section 5(a);

(ii)    the number and type of Shares (or other securities) subject to outstanding Awards; and

(iii)    the grant, purchase, exercise or hurdle price with respect to any Award or, if deemed appropriate, make provision for a cash payment to the holder of an outstanding Award;

provided, however, that the number of Shares subject to any Award denominated in Shares shall always be a whole number.

d) Any Shares delivered pursuant to an Award may consist, in whole or in part, of authorized and unissued Shares or Shares acquired by the Company.

SECTION 6.Options. The Board is authorized to grant Options to Participants with the following terms and conditions and with such additional terms and conditions, in either case not inconsistent with the provisions of the Plan, as the Board shall determine:

a)The exercise price per Share under an Option; provided, however, that such exercise price shall not be less than the Fair Market Value of a Share on the date of grant of such Option.

b)The term of each Option, which shall not exceed 10 years from the date of grant of such Option.

c)The time or times at which an Option may be exercised in whole or in part. The Board may specify in an Award Document that an “in-the-money” Option shall be automatically exercised on its expiration date.

d)The method or methods by which, and the form or forms, including cash, Shares, other Awards, other property, net settlement, broker assisted cashless exercise or any combination thereof, having a Fair Market Value on the exercise date equal to the relevant exercise price, in which payment of the exercise price with respect thereto may be made or deemed to have been made.

SECTION 7.Restricted Stock and RSUs. The Board is authorized to grant Awards of Restricted Stock and RSUs to Participants with the following terms and conditions and with such additional terms and conditions, in either case not inconsistent with the provisions of the Plan, as the Committee shall determine:

a)    The Award Document shall specify the vesting schedule and, with respect to RSUs, the delivery schedule (which may include deferred delivery later than the vesting date).

b)    Shares of Restricted Stock and RSUs shall be subject to such restrictions as the Board may impose (including any limitation on the right to vote a Share of Restricted Stock or the right to receive any dividend, dividend equivalent or other right), which restrictions may lapse separately or in combination at such time or times, in such installments or otherwise, as the Board may deem appropriate.

c)    Any share of Restricted Stock granted under the Plan may be evidenced in such manner as the Board may deem appropriate, including book-entry registration or issuance of a stock certificate or certificates. In the event any stock certificate is issued in respect of shares of Restricted Stock granted under the Plan, such certificate shall be registered in the name of the Participant and shall bear an appropriate legend referring to the terms, conditions and restrictions applicable to such Restricted Stock.

d)    The Board may provide in an Award Document that an Award of Restricted Stock is conditioned upon the Participant making or refraining from making an election with respect to the Award under Section 83(b) of the Code. If a Participant makes an election pursuant to Section 83(b) of the Code with respect to an Award of Restricted Stock, the Participant shall be required to file promptly a copy of such election with the Company.

SECTION 8.Other Stock-Based Awards. The Board is authorized, subject to limitations under applicable law, to grant to Participants such other Awards that may be denominated or payable in, valued in whole or in part by reference to, or otherwise based on, or related to, Shares or factors that may influence the value of Shares, including convertible or exchangeable debt securities, other rights convertible or exchangeable into Shares, purchase rights for Shares, Awards with value and payment contingent upon performance of the Company or business units thereof or any other factors designated by the Board or a committee of the Board. The Board shall determine the terms and conditions of such Awards. Shares delivered pursuant to an Award in the nature of a purchase right granted under this Section 8 shall be purchased for such consideration, paid for at such times, by such methods and in such forms, including cash, Shares, other Awards, other property, net settlement, broker assisted cashless exercise or any combination thereof, as the Board shall determine.

SECTION 9.Automatic Grants. The Board or a committee of the Board may institute, by resolution, automatic Award grants to new and to continuing members of the Board, with the number and type of such Awards, the terms and conditions of such Awards, and the criteria for the grant of such Awards, as is determined by the Board or a committee of the Board, in its sole discretion.

SECTION 10.Retainers. The Board is authorized, subject to limitations under applicable law, to grant Retainers to Participants. The Board shall determine the terms and conditions of such Retainers, including without limitation (i) the amounts payable, (ii) the payment dates (including whether payment is made in a lump sum or installments and whether payment is made in advance or arrears), (iii) whether such Retainers may be electively received in Shares and (iv) whether such Retainers may be electively deferred, subject to such rules and procedures as it may establish in accordance with Section 409A of the Code, and, if so, whether such deferred Retainers may be distributed in cash and/or Shares. Shares issued to Participants pursuant to (iii) or (iv) above will not count against the aggregate Share limit specified in Section 5(a). The number of Shares that will be issued to a Participant who elects to receive a Retainer in Shares shall equal the amount of cash that otherwise would have been paid to such Participant on the payment date of such Retainer divided by the Fair Market Value of a Share as of such payment date.

SECTION 11.Effect of Termination of Service or a Change in Control on Awards. The Board may provide, by rule or regulation or in any Award Document, or may determine in any individual case, the circumstances in which, and the extent to which, an Award may be exercised, settled, vested, paid or forfeited in the event of a Participant’s termination of service from the Board or a Change in Control prior to exercise or settlement of such Award.

SECTION 12.General Provisions Applicable to Awards.

a)Awards shall be granted for no cash consideration or for such minimal cash consideration as may be required by applicable law.

b)Awards may, in the discretion of the Board, be granted either alone or in addition to or in tandem with any other Award or any award granted under any other plan of the Company. Awards granted in addition to or in tandem with other Awards, or in addition to or in tandem with awards granted under any other plan of the Company, may be granted either at the same time as or at a different time from the grant of such other Awards or awards.

c)Subject to the terms of the Plan, payments or transfers to be made by the Company upon the grant, exercise or settlement of an Award may be made in the form of cash, Shares, other Awards, other property, net settlement, or any combination thereof, as determined by the Board in its discretion at the time of grant, and may be made in a single payment or transfer, in installments or on a deferred basis, in each case in accordance with rules and procedures established by the Board. Such rules and procedures may include provisions for the payment or crediting of reasonable interest on installment or deferred payments or the grant or crediting of dividend equivalents in respect of installment or deferred payments.

d)Except as may be permitted by the Board or as specifically provided in an Award Document, (i) no Award and no right under any Award shall be assignable, alienable, saleable or transferable by a Participant otherwise than by will or pursuant to Section 12(e) and (ii) during a Participant’s lifetime, each Award, and each right under any Award, shall be exercisable only by such Participant or, if permissible under applicable law, by such Participant’s guardian or legal representative. The provisions of this Section 12(d) shall not apply to any Award that has been fully exercised or settled, as the case may be, and shall not preclude forfeiture of an Award in accordance with the terms thereof.

e)A Participant may designate a Beneficiary or change a previous Beneficiary designation at such times prescribed by the Board by using forms and following procedures approved or accepted by the Board for that purpose.

f)All certificates for Shares and/or other securities delivered under the Plan pursuant to any Award or the exercise thereof shall be subject to such stop transfer orders and other restrictions as the Board may deem advisable under the Plan or the rules, regulations and other requirements of the Securities and Exchange Commission, any stock market or exchange upon which such Shares or other securities are then quoted, traded or listed, and any applicable securities laws, and the Board may cause a legend or legends to be put on any such certificates to make appropriate reference to such restrictions.

SECTION 13.Amendments and Terminations.

a)Except to the extent prohibited by applicable law and unless otherwise expressly provided in an Award Document or in the Plan, the Board may amend, alter, suspend, discontinue or terminate the Plan or any portion thereof at any time; provided, however, that no such amendment, alteration, suspension, discontinuation or termination shall be made without (i) shareholder approval if such approval is required by applicable law or the rules of the stock market or exchange, if any, on which the Shares are principally quoted or traded or (ii) the consent of the affected Participant, if such action would materially adversely affect the rights of such Participant under any outstanding Award, except to the extent any such amendment, alteration, suspension, discontinuance or termination is made to cause the Plan to comply with applicable law, stock market or exchange rules and regulations or accounting or tax rules and regulations. Notwithstanding anything to the contrary in the Plan, the Board may amend the Plan in such manner as may be necessary to enable the Plan to achieve its stated purposes in any jurisdiction in a tax-efficient manner and in compliance with local rules and regulations.

b)The Board may waive any conditions or rights under, amend any terms of, or amend, alter, suspend, discontinue or terminate any Award theretofore granted, prospectively or retroactively, without the consent of any relevant Participant or holder or Beneficiary of an Award; provided, however, that no such action shall materially adversely affect the rights of any affected Participant or holder or Beneficiary under any Award theretofore granted under the Plan, except to the extent any such action is made to cause the Plan to comply with applicable law, stock market or exchange rules and regulations or accounting or tax rules and regulations; provided further that, except as provided in Section 5(c), no such action shall directly or indirectly, through cancellation and regrant or any other method, reduce, or have the effect of reducing, the exercise price of any Award established at the time of grant thereof.

c)The Board shall be authorized to make adjustments in the terms and conditions of, and the criteria included in, Awards in recognition of events (including the events described in Section 5(c) affecting the Company, or the financial statements of the Company, or of changes in applicable laws, regulations or accounting principles, whenever the Board determines that such adjustments are appropriate in order to prevent dilution or enlargement of the benefits or potential benefits intended to be made available under the Plan.

d)The Board may correct any defect, supply any omission, or reconcile any inconsistency in the Plan or any Award in the manner and to the extent it shall deem desirable to carry the Plan into effect.

SECTION 14.Miscellaneous.

a)No Participant or other Person shall have any claim to be granted any Award under the Plan, and there is no obligation for uniformity of treatment of Participants or holders or Beneficiaries of Awards under the Plan. The terms and conditions of Awards need not be the same with respect to each Participant.

b)The grant of an Award shall not be construed as giving a Participant the right to be retained in the service of the Board or the Company. The receipt of any Award under the Plan is not intended to confer any rights on the receiving Participant except as set forth in the applicable Award Document.

c)Nothing contained in the Plan shall prevent the Company from adopting or continuing in effect other or additional compensation arrangements, and such arrangements may be either generally applicable or applicable only in specific cases.

d)The Company shall be authorized to withhold from any Award granted or any payment due or transfer made under any Award or under the Plan or from any compensation or other amount owing to a Participant the amount (in cash, Shares, other Awards, other property, net settlement, or any combination thereof) of applicable withholding taxes due in respect of an Award, its exercise or settlement or any payment or transfer under such Award or under the Plan and to take such other action (including providing for elective payment of such amounts in cash or Shares by the Participant) as may be necessary in the opinion of the Company to satisfy all obligations for the payment of such taxes.

e)If any provision of the Plan or any Award Document is or becomes or is deemed to be invalid, illegal or unenforceable in any jurisdiction, or as to any Person or Award, or would disqualify the Plan or any Award under any law deemed applicable by the Board, such provision shall be construed or deemed amended to conform to applicable laws, or if it cannot be so construed or deemed amended without, in the determination of the Board, materially altering the intent of the Plan or the Award Document, such provision shall be stricken as to such jurisdiction, Person or Award, and the remainder of the Plan and any such Award Document shall remain in full force and effect.

f)Neither the Plan nor any Award shall create or be construed to create a trust or separate fund of any kind or a fiduciary relationship between the Company and a Participant or any other Person. To the extent that any Person acquires a right to receive payments from the Company pursuant to an Award, such right shall be no greater than the right of any unsecured general creditor of the Company.

g)No fractional Shares shall be issued or delivered pursuant to the Plan or any Award, and the Board shall determine whether cash or other securities shall be paid or transferred in lieu of any fractional Shares, or whether such fractional Shares or any rights thereto shall be canceled, terminated or otherwise eliminated.

SECTION 15.Effective Date of the Plan. The Plan shall be effective as of the Effective Date.

SECTION 16.Term of the Plan. No Award shall be granted under the Plan after the earliest to occur of (i) the tenth year anniversary of the Effective Date; provided that to the extent permitted by the listing rules of any stock exchange on which the Company is listed, such ten-year term may be extended indefinitely so long as the maximum number of Shares available for issuance under the Plan have not been issued, (ii) the maximum number of Shares available for issuance under the Plan have been issued or (iii) the Board terminates the Plan in accordance with Section 13(a). However, unless otherwise expressly provided in the Plan or in an applicable Award Document, any Award theretofore granted may extend beyond such date, and the authority of the Board to amend, alter, adjust, suspend, discontinue or terminate any such Award, or to waive any conditions or rights under any such Award, and the authority of the Board to amend the Plan, shall extend beyond such date.

SECTION 17.Section 409A of the Code. With respect to Awards subject to Section 409A, the Plan is intended to comply with the requirements of Section 409A, and the provisions of the Plan and any Award Document shall be interpreted in a manner that satisfies the requirements of Section 409A, and the Plan shall be operated accordingly. If any provision of the Plan or any term or condition of any Award would otherwise frustrate or conflict with this intent, the provision, term or condition will be interpreted and deemed amended so as to avoid this conflict. If the Board considers a Participant to be one of the Company’s “specified employees” under Section 409A at the time of such Participant’s “separation from service” (as defined in Section 409A), any distribution that otherwise would be made to such Participant with respect to an Award that is subject to Section 409A as a result of such separation from service shall not be made until the date that is six months after such separation from service, except to the extent that earlier distribution would not result in such Participant’s incurring interest or additional tax under Section 409A.

SECTION 18.Governing Law. The Plan and each Award Document shall be governed by the laws of the State of Delaware, without application of the conflicts of law principles thereof.

EX-10.4

EPAM SYSTEMS, INC.

Amended and Restated Non-Employee Director Compensation Policy

Unless and until the Board resolves otherwise or as otherwise agreed between the Company and the Board, each member of the Board of Directors (the “Board”) of EPAM Systems, Inc. (the “Company”) that is not an employee of the Company or any of its subsidiaries (each, a “Non-Employee Director”) shall be entitled to receive the compensation set forth below during the term of his or her service on the Board. Capitalized terms used but not defined in this policy shall have the meanings set forth in the Company’s 2012 Non-Employee Directors Compensation Plan (as amended from time to time, the “Plan”).

Annual Cash Retainers

Service as Non-Employee Director: Each Non-Employee Director shall receive an annual retainer (a “Retainer”) in the amount of $50,000 payable in cash in arrears in equal quarterly installments on March 31, June 30, September 30 and December 31 (or, if any such date is not a business day, the business day immediately preceding such date) (each such payment date, a “Quarterly Payment Date”) in respect of the calendar quarter that includes such Quarterly Payment Date; provided, however, that any Non-Employee Director who becomes a member of the Board on a date that is not the first day of a calendar quarter shall receive a pro-rated Retainer for his or her service on the Board for such quarter based on the number of days of such service during such quarter.

Service as Lead Independent Director: The Non-Employee Director who serves as Lead Independent Director of the Board shall receive an additional annual retainer in the amount of $25,000 payable in cash in arrears in equal quarterly installments on each Quarterly Payment Date; provided, however, that any Non-Employee Director who becomes the Lead Independent Director on a date that is not the first day of a calendar quarter shall receive a pro-rated payment for his or her service as Lead Independent Director for such quarter based on the number of days of such service during such quarter.

Service as a Committee Member: Each Non-Employee Director who serves as a member (but not as a Chairperson) of one or more of the Audit, Compensation or Nominating and Corporate Governance Committees (each, a “Committee”) of the Board shall receive an additional annual retainer in the amount of $10,000, $7,500 and/or $6,000 for his or her service on each such Committee, respectively, payable in cash in arrears in equal quarterly installments on each Quarterly Payment Date in respect of the calendar quarter that includes such Quarterly Payment Date; provided, however, that any Non-Employee Director who becomes a member of any Committee on a date that is not the first day of a calendar quarter shall receive a pro-rated payment for his or her service on such Committee for such quarter based on the number of days of such service during such quarter.

Service as Chairperson of a Committee of the Board: Any Non-Employee Director who serves as a Chairperson of one or more of the Committees shall receive an additional annual retainer in the amount of $20,000, $15,000 and/or $10,000 for his or her service as the Chairperson of one or more of the Audit, Compensation or Nominating and Corporate Governance Committees, respectively, payable in cash in arrears in equal quarterly installments on each Quarterly Payment Date in respect of the calendar quarter that includes such Quarterly Payment Date; provided, however, that any Non-Employee Director who becomes a Chairperson of any Committee on a date that is not the first day of a calendar quarter shall receive a pro-rated payment for his or her service as Chairperson of such Committee for such quarter based on the number of days of such service during such quarter.

Additional Non-Employee Director Compensation

Any Non-Employee Director who attends more than ten (10) meetings of the Board, or more than ten (10) meetings of the same Committee on which such Non-Employee Director serves, in any calendar year shall receive an additional cash payment of $2,000 for each such additional meeting thereof that such Non-Employee Director attends in person and $1,000 for each such additional meeting that such Non-Employee Director attends telephonically.

Election to Receive Stock

A Non-Employee Director may elect to receive all or a portion of his or her Retainer in shares of Common Stock by executing and submitting to the Company’s Corporate Secretary (the “Secretary”) an election form, pursuant to a form provided by the Company, which indicates the percentage of such Retainer that such director elects to receive in shares. A Non-Employee Director who wishes to revoke or amend a previously submitted election form may do so by executing and submitting to the Secretary a subsequent election form, pursuant to a form provided by the Company. An election form, whether initial or subsequent, shall be effective only with respect to Quarterly Payment Dates that occur after the date on which the Secretary receives such form.

As of each Quarterly Payment Date, a Non-Employee Director who has validly elected to receive all or a portion of his or her Retainer in shares of Common Stock will receive a number of shares of Common Stock determined by dividing the amount of the Retainer that otherwise would have been payable to such director in cash on such date by the closing price of a share of Common Stock on the day prior to such Quarterly Payment Date; provided that any fractional share shall be paid in cash.

Equity Grants

Initial Restricted Stock Grants to Directors: On the date that a Non-Employee Director commences service on the Board, such director shall receive under the Plan an initial grant (the “Initial Grant”) of Restricted Stock. The number of shares of Common Stock covered by the Initial Grant shall be determined by dividing $100,000 by the closing price of a share of Common Stock on the day prior to the grant date. The Initial Grant will vest 25% on each of the first four anniversaries of the grant date.

Annual Restricted Stock Grants to Directors: On the date of the Company’s annual public stockholder meeting, each Non-Employee Director who at such meeting is elected to serve on the Board or whose term is scheduled to continue at least through the date of the next such meeting shall receive under the Plan an annual grant (each, an “Annual Grant”) of Restricted Stock. The number of shares of Common Stock covered by an Annual Grant shall be determined by dividing $75,000 by the closing price of a share of Common Stock on the day prior to the grant date. Any Non-Employee Director who commences service on the Board on a date other than the date of the Company’s annual public stockholder meeting shall receive on such start date a pro-rated Annual Grant, with the number of shares of Common Stock covered by such grant determined by dividing (i) the product of $75,000 and a fraction, the numerator of which is 365 minus the number of days that have elapsed between the date of such meeting and such start date, and the denominator of which is 365, by (ii) the closing price of a share of Common Stock on the day prior to such start date. Each Annual Grant will vest 100% on the first anniversary of the grant date.

EX-31.1

EXHIBIT 31.1

Certification by Chief Executive Officer

Pursuant to Securities Exchange Act Rule 13a-14(a)

I, Arkadiy Dobkin, certify that:

1. I have reviewed this quarterly report on Form 10-Q of EPAM Systems, Inc.;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant's other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f) for the registrant and have:

(a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c) Evaluated the effectiveness of the registrant's disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(d) Disclosed in this report any change in the registrant's internal control over financial reporting that occurred during the registrant's most recent fiscal quarter (the registrant's fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting; and

5. The registrant's other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant's auditors and the audit committee of the registrant's board of directors (or persons performing the equivalent functions):

(a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant's ability to record, process, summarize and report financial information; and

(b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.

Date: May 7, 2015

/s/ Arkadiy Dobkin

Arkadiy Dobkin

Chairman, Chief Executive Officer and President

(principal executive officer)

EX-31.2

EXHIBIT 31.2

Certification by Chief Financial Officer

Pursuant to Securities Exchange Act Rule 13a-14(a)

I, Anthony J. Conte, certify that:

1. I have reviewed this quarterly report on Form 10-Q of EPAM Systems, Inc.;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant's other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f) for the registrant and have:

(a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c) Evaluated the effectiveness of the registrant's disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(d) Disclosed in this report any change in the registrant's internal control over financial reporting that occurred during the registrant's most recent fiscal quarter (the registrant's fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting; and

5. The registrant's other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant's auditors and the audit committee of the registrant's board of directors (or persons performing the equivalent functions):

(a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant's ability to record, process, summarize and report financial information; and

(b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.

Date: May 7, 2015

/s/ Anthony J. Conte

Anthony J. Conte

Vice President, Chief Financial Officer and Treasurer

(principal financial officer and principal accounting officer)

EX-32.1

EXHIBIT 32.1

CERTIFICATION OF CHIEF EXECUTIVE OFFICER PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report on Form 10-Q of EPAM Systems, Inc. (the "Company") for the quarter ended September 30, 2014 as filed with the Securities and Exchange Commission on the date hereof (the "Report"), Arkadiy Dobkin, as Chief Executive Officer of the Company, hereby certifies, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that, to his knowledge:

(i)The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(ii)The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date: May 7, 2015

/s/ Arkadiy Dobkin

Arkadiy Dobkin

Chairman, Chief Executive Officer and President

(principal executive officer)

EX-32.2

EXHIBIT 32.2

CERTIFICATION OF CHIEF FINANCIAL OFFICER PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report on Form 10-Q of EPAM Systems, Inc. (the "Company") for the quarter ended September 30, 2014 as filed with the Securities and Exchange Commission on the date hereof (the "Report"), Anthony J. Conte, as Chief Financial Officer of the Company, hereby certifies, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that, to his knowledge:

(i)The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(ii)The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date: May 7, 2015

/s/ Anthony J. Conte

Anthony J. Conte

Vice President, Chief Financial Officer and Treasurer

(principal financial officer and principal accounting officer)

XML

STOCK-BASED COMPENSATION, Stock Option Activity (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2015
Number of Options
Options outstanding at January 1, 2015	6,838,746
Options granted	2,069,300
Options exercised	(346,499)
Options forfeited/cancelled	(33,922)
Options outstanding at March 31, 2015	8,527,625
Options vested and exercisable at March 31, 2015	3,329,962
Options expected to vest	4,741,728
Weighted Average Exercise Price
Options outstanding at January 1, 2015	$ 20.98
Options granted	$ 61.38
Options exercised	$ 12.84
Options forfeited/cancelled	$ 28.22
Options outstanding at March 31, 2015	$ 31.09
Options vested and exercisable at March 31, 2015	$ 15.56
Options expected to vest	$ 40.53
Aggregate Intrinsic Value
Options outstanding at January 1, 2015	$ 183,073
Options granted	(186)
Options exercised	(16,788)
Options forfeited/cancelled	(1,122)
Options outstanding at March 31, 2015	257,534
Options vested and exercisable at March 31, 2015	152,279
Options expected to vest	$ 98,438

XML

OPERATING SEGMENTS, Revenues by Client Location (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	$ 200,045	$ 160,384
Reimbursable expenses and other revenues
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	1,857	1,967
United States
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	92,182	69,136
United Kingdom
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	38,565	34,244
Switzerland
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	26,351	20,532
Canada
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	12,485	9,981
Russia
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	7,259	10,390
Germany
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	6,498	6,132
Hong Kong
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	5,210	0
Netherlands
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	2,046	2,118
Sweden
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	2,013	2,312
Belgium
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	1,525	641
Kazakhstan
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	1,259	1,242
Ireland
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	1,187	0
Other locations
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	$ 1,608	$ 1,689

XML

FAIR VALUE MEASUREMENTS (Details 2) (Level 3, USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015
Level 3
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Contractual contingent liabilities at January 1, 2015	$ 40,623
Liability-classified stock-based awards	1,347
Changes in fair value of contractual contingent liabilities included in earnings	875
Changes in fair value of contractual contingent liabilities recorded against goodwill	0
Effect of net foreign currency exchange rate changes	(226)
Settlements of contractual contingent liabilities	(1,825)
Contractual contingent liabilities at March 31, 2015	$ 40,794

XML

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 1) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans issued to principal officers, directors, or their affiliates	0
Allowance for employee loans	0
Non-accrual employee loans	0
Material loans past due	0
Loans Under Employee Housing Program
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest rate on loan (as a percent)	7.50%
Loan term (in years)	5 years
Minimum service period	3 years
Loans Under Employee Housing Program | Maximum
Accounts, Notes, Loans and Financing Receivable [Line Items]
Individual loan original amount limit	50
Authorized loan program amount	10,000

XML

COMMITMENTS AND CONTINGENCIES (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015
Commitments and Contingencies [Line Items]
Estimate of probable losses	$ 20
Construction in Progress
Commitments and Contingencies [Line Items]
Capitalized construction costs	18,700
Estimate additional costs	4,549
Breach of Contract Against IDEAB
Commitments and Contingencies [Line Items]
Legal settlement amount	$ 1,000

XML

STOCK-BASED COMPENSATION, Costs Related To Stock Compensation Plans (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation expense	$ 9,134	$ 3,208
Cost of revenues
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation expense	2,484	1,403
Organic growth | Selling, general and administrative expenses
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation expense	2,158	1,012
Business acquisitions | Selling, general and administrative expenses
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation expense	$ 4,492	$ 793

XML

OPERATING SEGMENTS, Revenues by Service Offering (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Revenue from External Customer [Line Items]
Revenues	$ 200,045	$ 160,384
Software development
Revenue from External Customer [Line Items]
Revenues	140,035	110,687
Application testing services
Revenue from External Customer [Line Items]
Revenues	37,030	31,770
Application maintenance and support
Revenue from External Customer [Line Items]
Revenues	17,132	11,378
Infrastructure services
Revenue from External Customer [Line Items]
Revenues	3,173	3,754
Licensing
Revenue from External Customer [Line Items]
Revenues	818	828
Reimbursable expenses and other revenues
Revenue from External Customer [Line Items]
Revenues	$ 1,857	$ 1,967

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FAIR VALUE MEASUREMENTS

3 Months Ended

Mar. 31, 2015

Fair Value Disclosures [Abstract]

FAIR VALUE MEASUREMENTS

FAIR VALUE MEASUREMENTS

As required by the guidance for fair value measurements, financial assets and liabilities are classified in their entirety based on the lowest level of input that is significant to the fair value measurement. Thus, assets and liabilities categorized as Level 3 may be measured at fair value using inputs that are observable (Levels 1 and 2) and unobservable (Level 3). Significant unobservable inputs used in the fair value measurement of contingent consideration related to business acquisitions are forecasts of expected future operating results of those businesses as developed by the Company’s management and the probability of achievement of those operating forecasts. Management’s assessment of the significance of a particular input to the fair value measurement requires judgment and may affect the valuation of assets and liabilities and their placement within the fair value hierarchy levels.

The following tables show the fair values of the Company’s financial liabilities measured at fair value on a recurring basis as of March 31, 2015 and December 31, 2014:

	March 31, 2015				December 31, 2014
	Balance		Level 3		Balance		Level 3
Contingent consideration	$	35,348	$	35,348	$	37,400	$	37,400
Performance-based equity awards	5,446		5,446		3,223		3,223
Total liabilities measured at fair value on a recurring basis	$	40,794	$	40,794	$	40,623	$	40,623

As of March 31, 2015 and December 31, 2014, contingent consideration and performance-based equity awards included amounts payable in cash and stock in connection with the acquisitions of businesses completed in the three months ended March 31, 2015 and year ended December 31, 2014 (Note 2).

Sensitivity to Changes in Significant Unobservable Inputs

The fair value of the contingent consideration is based on the present value of the expected future payments to be made to the sellers of the acquired businesses in accordance with the provisions outlined in the respective purchase agreements. In determining fair value, the Company considered a variety of factors, including third party valuation experts and future performance of the acquired businesses using financial projections developed by the Company and market risk assumptions that were derived for revenue growth and/or earnings before interest, tax, and depreciation and amortization (“EBITDA”). The Company estimated future payments using the earnout formula and performance targets specified in each purchase agreement and adjusted those estimates to reflect the ability of the acquired entities to achieve the targets. It then discounted the payments to present value using the Company’s cost of debt for the cash component, and a risk-free rate for the stock component of the earnout for all of the Company’s 2014 acquisitions. Changes in financial projections, market risk assumptions for revenue growth and/or EBITDA, or the discount rates, would result in a change in the fair value of recorded contingent liabilities. In addition, inputs used in the valuation of the stock component of the earnout include term, stock price volatility, current stock price, and exercise price, with the Company current stock price factor being the input subject to the most variation. A significant increase in the Company stock price, in isolation, would result in a significantly higher fair value measurement. As the Company’s common stock does not have sufficient trading history, volatility was determined by measuring the volatility of a representative group of its peers, in conjunction with the volatility of the Company’s available trading history.

A reconciliation of the beginning and ending balances of acquisition-related contractual contingent liabilities using significant unobservable inputs (Level 3) for the three months ended March 31, 2015, was as follows:

	Amount
Contractual contingent liabilities at January 1, 2015	$	40,623
Liability-classified stock-based awards	1,347
Changes in fair value of contractual contingent liabilities included in earnings	875
Changes in fair value of contractual contingent liabilities recorded against goodwill	—
Effect of net foreign currency exchange rate changes	(226		)
Settlements of contractual contingent liabilities	(1,825		)
Contractual contingent liabilities at March 31, 2015	$	40,794

There were no transfers in or out of Level 3 from other levels in the fair value hierarchy during the three months ended March 31, 2015 and 2014. Changes in the values of the financial liabilities, if any, are recorded within other expense (income) in operating income on the Company’s condensed consolidated statements of income and comprehensive income.

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OPERATING SEGMENTS, Revenues from External Customers and Segment Operating Profit Before Unallocated Expenses (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Segment Reporting Information [Line Items]
Revenues	$ 200,045	$ 160,384
Operating profit	22,820	21,857
Russia
Segment Reporting Information [Line Items]
Revenues	7,259	10,390
Operating Segments
Segment Reporting Information [Line Items]
Revenues	200,194	159,997
Operating profit	38,680	29,879
Operating Segments | North America
Segment Reporting Information [Line Items]
Revenues	100,269	80,198
Operating profit	24,068	18,197
Operating Segments | Europe
Segment Reporting Information [Line Items]
Revenues	91,152	67,659
Operating profit	15,340	14,135
Operating Segments | Russia
Segment Reporting Information [Line Items]
Revenues	7,513	10,748
Operating profit	(271)	(1,135)
Operating Segments | Other
Segment Reporting Information [Line Items]
Revenues	1,260	1,392
Operating profit	(457)	(1,318)
Accounts Receivable | Customer Concentration Risk | Billed | UBS AG
Segment Reporting Information [Line Items]
Number of customers	1
Percentage of total revenues	15.60%
Accounts Receivable | Customer Concentration Risk | Unbilled | UBS AG and Barclays Capital
Segment Reporting Information [Line Items]
Number of customers	2
Percentage of total revenues	27.10%
Segment Revenues | Customer Concentration Risk | UBS AG
Segment Reporting Information [Line Items]
Number of customers	1	1
Segment Revenues | Customer Concentration Risk | Operating Segments | UBS AG
Segment Reporting Information [Line Items]
Revenues	$ 30,933	$ 20,024

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ACQUISITIONS (Details 3) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015
Netsoft
Acquired Finite-Lived Intangible Assets [Line Items]
Amount	$ 1,700
Netsoft | Customer Relationships
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted Average Useful Life (in years)	10 years
Amount	1,700
Netsoft | Trade Names
Acquired Finite-Lived Intangible Assets [Line Items]
Amount	0
Jointech
Acquired Finite-Lived Intangible Assets [Line Items]
Amount	22,485
Jointech | Customer Relationships
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted Average Useful Life (in years)	10 years
Amount	22,173
Jointech | Trade Names
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted Average Useful Life (in years)	2 years
Amount	312
GGA
Acquired Finite-Lived Intangible Assets [Line Items]
Amount	10,959
GGA | Customer Relationships
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted Average Useful Life (in years)	10 years
Amount	10,959
GGA | Trade Names
Acquired Finite-Lived Intangible Assets [Line Items]
Amount	0
Great Fridays Limited
Acquired Finite-Lived Intangible Assets [Line Items]
Amount	5,747
Great Fridays Limited | Customer Relationships
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted Average Useful Life (in years)	10 years
Amount	5,747
Great Fridays Limited | Trade Names
Acquired Finite-Lived Intangible Assets [Line Items]
Amount	$ 0

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ACQUISITIONS (Details 2) (USD $)	3 Months Ended
	Mar. 31, 2015	Dec. 31, 2014	Mar. 05, 2014	Apr. 30, 2014	Jun. 06, 2014	Oct. 31, 2014
Business Acquisition [Line Items]
Goodwill	$ 56,346,000	$ 57,417,000
Netsoft
Business Acquisition [Line Items]
Cash and cash equivalents	0
Trade receivables and other current assets	788,000
Property and equipment and other long-term assets	52,000
Deferred tax asset	0
Acquired intangible assets	1,700,000
Goodwill	2,779,000
Total assets acquired	5,319,000
Accounts payable and accrued expenses	69,000
Deferred revenue	0
Due to employees	0
Deferred tax liability	0
Total liabilities assumed	69,000
Net assets acquired	5,250,000
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustments [Abstract]
Adjustment to net assets acquired	(348,000)
Netsoft | As Originally Reported [Member]
Business Acquisition [Line Items]
Cash and cash equivalents			0
Trade receivables and other current assets			788,000
Property and equipment and other long-term assets			52,000
Deferred tax asset			351,000
Acquired intangible assets			1,700,000
Goodwill			2,776,000
Total assets acquired			5,667,000
Accounts payable and accrued expenses			69,000
Deferred revenue			0
Due to employees			0
Deferred tax liability			0
Total liabilities assumed			69,000
Net assets acquired			5,598,000
Jointech
Business Acquisition [Line Items]
Cash and cash equivalents	871,000
Trade receivables and other current assets	784,000
Property and equipment and other long-term assets	338,000
Deferred tax asset	0
Acquired intangible assets	22,485,000
Goodwill	17,404,000
Total assets acquired	41,882,000
Accounts payable and accrued expenses	728,000
Deferred revenue	0
Due to employees	1,254,000
Deferred tax liability	3,112,000
Total liabilities assumed	5,094,000
Net assets acquired	36,788,000
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustments [Abstract]
Adjustment to net assets acquired	0
Jointech | As Originally Reported [Member]
Business Acquisition [Line Items]
Cash and cash equivalents				871,000
Trade receivables and other current assets				784,000
Property and equipment and other long-term assets				338,000
Deferred tax asset				0
Acquired intangible assets				25,744,000
Goodwill				11,033,000
Total assets acquired				38,770,000
Accounts payable and accrued expenses				728,000
Deferred revenue				0
Due to employees				1,254,000
Deferred tax liability				0
Total liabilities assumed				1,982,000
Net assets acquired				36,788,000
GGA
Business Acquisition [Line Items]
Cash and cash equivalents	0
Trade receivables and other current assets	5,377,000
Property and equipment and other long-term assets	444,000
Deferred tax asset	0
Acquired intangible assets	10,959,000
Goodwill	12,209,000
Total assets acquired	28,989,000
Accounts payable and accrued expenses	2,593,000
Deferred revenue	104,000
Due to employees	0
Deferred tax liability	0
Total liabilities assumed	2,697,000
Net assets acquired	26,292,000
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustments [Abstract]
Adjustment to net assets acquired	1,366,000
GGA | As Originally Reported [Member]
Business Acquisition [Line Items]
Cash and cash equivalents					0
Trade receivables and other current assets					5,157,000
Property and equipment and other long-term assets					444,000
Deferred tax asset					4,463,000
Acquired intangible assets					10,959,000
Goodwill					6,496,000
Total assets acquired					27,519,000
Accounts payable and accrued expenses					2,593,000
Deferred revenue					0
Due to employees					0
Deferred tax liability					0
Total liabilities assumed					2,593,000
Net assets acquired					24,926,000
Great Fridays Limited
Business Acquisition [Line Items]
Cash and cash equivalents	259,000
Trade receivables and other current assets	1,825,000
Property and equipment and other long-term assets	262,000
Deferred tax asset	0
Acquired intangible assets	5,747,000
Goodwill	6,870,000
Total assets acquired	14,963,000
Accounts payable and accrued expenses	872,000
Deferred revenue	317,000
Due to employees	624,000
Deferred tax liability	1,200,000
Total liabilities assumed	3,013,000
Net assets acquired	11,950,000
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustments [Abstract]
Adjustment to net assets acquired	(77,000)
Great Fridays Limited | As Originally Reported [Member]
Business Acquisition [Line Items]
Cash and cash equivalents						259,000
Trade receivables and other current assets						1,825,000
Property and equipment and other long-term assets						262,000
Deferred tax asset						0
Acquired intangible assets						5,747,000
Goodwill						6,947,000
Total assets acquired						15,040,000
Accounts payable and accrued expenses						872,000
Deferred revenue						317,000
Due to employees						624,000
Deferred tax liability						1,200,000
Total liabilities assumed						3,013,000
Net assets acquired						12,027,000
Total
Business Acquisition [Line Items]
Cash and cash equivalents	1,130,000
Trade receivables and other current assets	8,774,000
Property and equipment and other long-term assets	1,096,000
Deferred tax asset	0
Acquired intangible assets	40,891,000
Goodwill	39,262,000
Total assets acquired	91,153,000
Accounts payable and accrued expenses	4,262,000
Deferred revenue	421,000
Due to employees	1,878,000
Deferred tax liability	4,312,000
Total liabilities assumed	10,873,000
Net assets acquired	80,280,000
Total | As Originally Reported [Member]
Business Acquisition [Line Items]
Cash and cash equivalents	1,130,000
Trade receivables and other current assets	8,554,000
Property and equipment and other long-term assets	1,096,000
Deferred tax asset	4,814,000
Acquired intangible assets	44,150,000
Goodwill	27,252,000
Total assets acquired	86,996,000
Accounts payable and accrued expenses	4,262,000
Deferred revenue	317,000
Due to employees	1,878,000
Deferred tax liability	1,200,000
Total liabilities assumed	7,657,000
Net assets acquired	$ 79,339,000

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OPERATING SEGMENTS, Reconciliation of Segment Revenues and Operating Profit to Consolidated Income From Operations (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	$ 200,045	$ 160,384
Segment Reporting Information [Line Items]
Income from operations	22,820	21,857
Stock-based compensation expense	(9,134)	(3,208)
Depreciation and amortization	(4,200)	(3,689)
Interest and other income, net	1,158	976
Foreign exchange loss	(5,754)	(1,241)
Income before provision for income taxes	18,224	21,592
Operating Segments
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	200,194	159,997
Segment Reporting Information [Line Items]
Income from operations	38,680	29,879
Unallocated Amounts
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	(149)	387
Segment Reporting Information [Line Items]
Other revenues	(149)	387
Stock-based compensation expense	(9,134)	(3,208)
Non-corporate taxes	(825)	(546)
Professional fees	(1,822)	(1,314)
Depreciation and amortization	(1,329)	(655)
Bank charges	(367)	(247)
Other corporate expenses	$ (2,234)	$ (2,439)

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GOODWILL (Details) (USD $)	3 Months Ended
	Mar. 31, 2015
Goodwill [Roll Forward]
Balance as of January 1, 2015	$ 57,417,000
Purchase accounting adjustments	(77,000)
Effect of net foreign currency exchange rate changes	(1,118,000)
Balance as of March 31, 2015	56,346,000
North America
Goodwill [Roll Forward]
Balance as of January 1, 2015	31,078,000
Effect of net foreign currency exchange rate changes	(206,000)
Balance as of March 31, 2015	30,996,000
Europe
Goodwill [Roll Forward]
Balance as of January 1, 2015	26,339,000
Effect of net foreign currency exchange rate changes	(912,000)
Balance as of March 31, 2015	25,350,000
Netsoft
Goodwill [Roll Forward]
Purchase accounting adjustments	30,000
Balance as of March 31, 2015	2,779,000
Netsoft | North America
Goodwill [Roll Forward]
Purchase accounting adjustments	30,000
Netsoft | Europe
Goodwill [Roll Forward]
Purchase accounting adjustments	0
GGA
Goodwill [Roll Forward]
Purchase accounting adjustments	94,000
Balance as of March 31, 2015	12,209,000
GGA | North America
Goodwill [Roll Forward]
Purchase accounting adjustments	94,000
GGA | Europe
Goodwill [Roll Forward]
Purchase accounting adjustments	0
Great Fridays Limited
Goodwill [Roll Forward]
Balance as of March 31, 2015	6,870,000
Great Fridays Limited | North America
Goodwill [Roll Forward]
Purchase accounting adjustments	0
Great Fridays Limited | Europe
Goodwill [Roll Forward]
Purchase accounting adjustments	$ (77,000)

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GOODWILL (Details 2) (USD $)	Mar. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Goodwill [Line Items]
Goodwill	$ 56,346,000	$ 57,417,000
North America
Goodwill [Line Items]
Goodwill	30,996,000	31,078,000
Accumulated impairment loss	0	0
Europe
Goodwill [Line Items]
Goodwill	25,350,000	26,339,000
Accumulated impairment loss	0	0
Russia
Goodwill [Line Items]
Goodwill	0	0
Accumulated impairment loss	2,241,000		2,241,000
Other
Goodwill [Line Items]
Goodwill	0	0
Accumulated impairment loss	$ 1,697,000	$ 1,697,000

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GOODWILL

3 Months Ended

Mar. 31, 2015

Goodwill and Intangible Assets Disclosure [Abstract]

GOODWILL

GOODWILL

Goodwill by reportable segment was as follows:

	North America			Europe			Total
Balance as of January 1, 2015	$	31,078		$	26,339		$	57,417
Netsoft purchase accounting adjustment (Note 2)	30			—			30
GGA purchase accounting adjustment (Note 2)	94			—			94
Great Fridays purchase accounting adjustment (Note 2)	—			(77		)	(77		)
Effect of net foreign currency exchange rate changes	(206		)	(912		)	(1,118		)
Balance as of March 31, 2015	$	30,996		$	25,350		$	56,346

Excluded from the table above is the Other and Russia segments. In 2011, the Company recorded an accumulated impairment loss of $1,697 in the Other operating segment. In the fourth quarter of 2014, the Company recorded an accumulated impairment loss of $2,241 for the Russia operating segment. All existing assets that related to the Russia segment, excluding goodwill and including any unrecognized intangible assets, were assessed by management and deemed not to be impaired.

There were no accumulated impairments losses in any of the North America or Europe operating segments as of March 31, 2015 or December 31, 2014.

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FAIR VALUE MEASUREMENTS (Details) (Fair Value, Measurements, Recurring, USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Contingent consideration	$ 35,348	$ 37,400
Performance-based equity awards	5,446	3,223
Total liabilities measured at fair value on a recurring basis	40,794	40,623
Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Contingent consideration	35,348	37,400
Performance-based equity awards	5,446	3,223
Total liabilities measured at fair value on a recurring basis	$ 40,794	$ 40,623

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STOCK-BASED COMPENSATION, Stock Compensation Plans (Details) (USD $)	3 Months Ended
	Mar. 31, 2015
Service-Based Awards
Number of Shares
Unvested awards outstanding at January 1, 2014	633,442
Awards granted	48,000
Awards vested	(21,442)
Awards forfeited/cancelled	0
Unvested awards outstanding at September 30, 2014	660,000
Weighted Average Grant Date Fair Value Per Share
Unvested awards outstanding at January 1, 2014	$ 36.88
Awards granted	$ 61.38
Awards vested	$ 28.68
Awards forfeited/cancelled	$ 0.00
Unvested awards outstanding at September 30, 2014	$ 38.93
Performance-Based Awards
Number of Shares
Unvested awards outstanding at January 1, 2014	371,510
Awards granted	0
Awards vested	(8,501)
Awards forfeited/cancelled	0
Changes in the number of awards expected to be delivered	(20,583)
Unvested awards outstanding at September 30, 2014	342,426
Weighted Average Grant Date Fair Value Per Share
Unvested awards outstanding at January 1, 2014	$ 39.34
Awards granted	$ 0.00
Awards vested	$ 36.57
Awards forfeited/cancelled	$ 0
Changes in the number of awards expected to be delivered	$ 56.74
Unvested awards outstanding at September 30, 2014	$ 37.91

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CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Current assets
Cash and cash equivalents	$ 192,363	$ 220,534	$ 169,207
Time deposits	30,000	0
Accounts receivable, net of allowance of $2,618 and $2,181, respectively	104,714	124,483
Unbilled revenues	88,033	55,851
Prepaid and other current assets	14,390	9,289
Employee loans, net of allowance of $0 and $0, respectively, current	2,498	2,434
Deferred tax assets, current	1,817	2,496
Total current assets	433,815	415,087
Property and equipment, net	55,115	55,134
Restricted cash, long-term	114	156
Employee loans, net of allowance of $0 and $0, respectively, long-term	3,806	4,081
Intangible assets, net	45,091	47,689
Goodwill	56,346	57,417
Deferred tax assets, long-term	11,453	11,094
Other long-term assets	3,794	3,368
Total assets	609,534	594,026
Current liabilities
Accounts payable	13,366	4,641
Accrued expenses and other liabilities	20,579	32,203
Deferred revenue, current	3,061	3,220
Due to employees	29,870	24,518
Taxes payable	16,005	24,704
Contingent consideration, current (Note 2 and 4)	33,919	35,524
Contingent liability, current (Note 9)	92	0
Deferred tax liabilities, current	705	603
Total current liabilities	117,597	125,413
Deferred tax liabilities, long-term	4,106	4,563
Total liabilities	121,703	129,976
Commitments and contingencies (Note 9)
Stockholders’ equity
Common stock, $0.001 par value; 160,000,000 authorized; 49,111,297 and 48,748,298 shares issued, 48,692,313 and 48,303,811 shares outstanding at March 31, 2015 and December 31, 2014, respectively	48	48
Additional paid-in capital	241,066	229,501
Retained earnings	275,312	260,598
Treasury stock	(3,811)	(4,043)
Accumulated other comprehensive loss	(24,784)	(22,054)
Total stockholders’ equity	487,831	464,050
Total liabilities and stockholders’ equity	$ 609,534	$ 594,026

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OPERATING SEGMENTS, Geographical Information of Long-Lived Assets Based on Physical Location (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Long-Lived Assets by Geographical Areas [Line Items]
Long-lived assets	$ 55,115	$ 55,134
Belarus
Long-Lived Assets by Geographical Areas [Line Items]
Long-lived assets	42,060	41,652
Ukraine
Long-Lived Assets by Geographical Areas [Line Items]
Long-lived assets	4,377	4,392
Hungary
Long-Lived Assets by Geographical Areas [Line Items]
Long-lived assets	2,523	2,773
Russia
Long-Lived Assets by Geographical Areas [Line Items]
Long-lived assets	2,121	2,196
United States
Long-Lived Assets by Geographical Areas [Line Items]
Long-lived assets	1,779	2,001
Other
Long-Lived Assets by Geographical Areas [Line Items]
Long-lived assets	$ 2,255	$ 2,120

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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

3 Months Ended

Mar. 31, 2015

Accounting Policies [Abstract]

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

EPAM is a leading global provider of complex software engineering solutions and information technology ("IT") services to clients throughout North America, Western and Eastern Europe, Russia and Asia. The Company serves primarily Fortune Global 2000 companies in various industries with the main focus on Independent Software Vendors (“ISVs”) and technology, banking and financial services, business information and media, and travel and hospitality. Other industries include retail, energy, life sciences, healthcare, telecommunications, and government.

The Company is incorporated in Delaware with headquarters in Newtown, PA, with multiple delivery centers located in Belarus, Ukraine, Russia, Hungary, Kazakhstan, Bulgaria, China, Armenia and Poland, and client management locations in the United States, Canada, the United Kingdom, Germany, Sweden, Switzerland, Netherlands, Russia, Kazakhstan, Singapore, China, Hong Kong and Australia.

Basis of Presentation —The accompanying unaudited condensed consolidated financial statements ("financial statements") of EPAM Systems, Inc. (the “Company” or “EPAM”) have been prepared in accordance with generally accepted accounting principles in the United States ("GAAP") and Article 10 of Regulation S-X under the Securities Exchange Act of 1934, as amended. The condensed consolidated financial statements include the financial statements of EPAM Systems, Inc. and its subsidiaries with all intercompany balances and transactions eliminated.

These unaudited condensed consolidated financial statements and accompanying notes should be read in conjunction with the Company’s audited consolidated financial statements and the notes thereto for the year ended December 31, 2014 included in its Annual Report on Form 10-K. The preparation of these condensed consolidated financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the amounts reported in these condensed consolidated financial statements and accompanying notes. Actual results could differ from those estimates, and such differences may be material to the financial statements. Additionally, operating results for the interim periods are not necessarily indicative of results that may be expected to occur for the entire year.

Revenue Recognition — The Company recognizes revenue when the following criteria are met: (1) persuasive evidence of an arrangement exists; (2) delivery has occurred; (3) the sales price is fixed or determinable; and (4) collectability is reasonably assured. Determining whether and when some of these criteria have been satisfied often involves assumptions and judgments that can have a significant impact on the timing and amount of revenue reported.

The Company derives its revenues from a variety of service offerings, which represent specific competencies of its IT professionals. Contracts for these services have different terms and conditions based on the scope, deliverables, and complexity of the engagement, which require management to make judgments and estimates in determining appropriate revenue recognition pattern. Fees for these contracts may be in the form of time-and-materials or fixed-price arrangements. If there is an uncertainty about the project completion or receipt of payment for the consulting services, revenue is deferred until the uncertainty is sufficiently resolved. At the time revenue is recognized, the Company provides for any contractual deductions and reduces the revenue accordingly. The Company reports gross reimbursable “out-of-pocket” expenses incurred as both revenues and cost of revenues in the condensed consolidated statements of income and comprehensive income.

The Company defers amounts billed to its clients for revenues not yet earned. Such amounts are anticipated to be recorded as revenues as services are performed in subsequent periods. Unbilled revenues represent services provided, which are billed subsequent to the period end in accordance with the contract terms.

Fair Value of Financial Instruments — The Company makes significant assumptions about fair values of its financial assets and liabilities in accordance with FASB Accounting Standards Codification (ASC) Topic 820 and utilizes the following fair value hierarchy in determining inputs used for valuation:

Level 1 — Quoted prices for identical assets or liabilities in active markets.

Level 2 — Inputs other than quoted prices within Level 1 that are observable either directly or indirectly, including quoted prices in markets that are not active, quoted prices in active markets for similar assets or liabilities, and observable inputs other than quoted prices such as interest rates or yield curves.

Level 3 — Unobservable inputs reflecting our view about the assumptions that market participants would use in pricing the asset or liability.

Where the fair values of financial assets and liabilities recorded in the consolidated balance sheets cannot be derived from an active market, they are determined using a variety of valuation techniques. These valuation techniques include a net present value technique, comparison to similar instruments with market observable inputs, options pricing models and other relevant valuation models. To the extent possible, observable market data is used as inputs into these models but when it is not feasible, a degree of judgment is required to establish fair values.

Financial Assets and Liabilities Measured At Fair Value on a Recurring Basis

The Company had no assets or liabilities measured at fair value on a recurring basis as of March 31, 2015 and December 31, 2014, other than contingent liabilities in connection with the acquisitions of businesses.

At March 31, 2015, contingent liabilities measured at fair value on a recurring basis comprised contingent consideration payable in cash and stock, and performance-based awards issued to certain former owners of the acquired businesses in exchange for future services. Contingent liabilities are valued using significant inputs that are not observable in the market, which are defined as Level 3 inputs according to fair value measurement accounting. The Company estimates the fair value of contingent liabilities based on certain performance milestones of the acquired businesses and estimated probabilities of achievement, then discounts the liabilities to present value using the Company’s cost of debt for the cash component of contingent consideration, and risk free rate for the stock component of a contractual contingency.

The Company believes its estimates and assumptions are reasonable, however, there is significant judgment involved. Changes in the fair value of contingent consideration liabilities primarily result from changes in the timing and amount of specific milestone estimates and changes in probability assumptions with respect to the likelihood of achieving the various earnout criteria. These changes could cause a material impact to, and volatility in the Company’s operating results.

Financial Assets and Liabilities Measured At Fair Value on a Non-Recurring Basis

The amounts of the Company’s financial assets and liabilities, with the exceptions of employee housing loans and other employee loans described further herein, approximate fair value because of their short-term maturities.

See Note 4 for disclosures related to fair value.

Employee Loans — The Company issues employee housing loans in Belarus and relocation loans to assist employees with relocation needs in connection with intra-company transfers. There are no loans issued to principal officers, directors, and their affiliates.

On a quarterly basis, the Company reviews the aging of its loan portfolio to evaluate information about the ability of employees to service their debt, including historical payment experience, reasons for payment delays and shortfalls, if any, as well as probability of collecting scheduled principal and interest payments based on the knowledge of individual borrowers, among other factors. Since the initiation of the loan program there have not been material past due or non-accrual employee loans or write offs related to loan losses and, therefore, the Company determined that no allowance for loan losses is required.

Employee Housing Loans — In the third quarter of 2012, the Board of Directors of the Company approved the Employee Housing Program (the “Housing Program”), which assists employees with purchasing housing in Belarus in a form of a loan. The Housing Program was designed to be a retention mechanism for the Company’s employees in Belarus and is available to full-time qualified employees who have been with the Company for at least 3 years. The aggregate maximum lending limit of the program is $10,000, with individual loans not exceeding $50. The housing is sold directly to employees by independent third parties. Loans issued under the Housing Program are denominated in U.S. Dollars with a 5-year term and an interest rate of 7.5%.

The housing loans were classified as Level 3 measurements within the fair value hierarchy because they were valued using significant unobservable inputs. The estimated fair value of these housing loans upon initial recognition was computed by projecting the future contractual cash flows to be received from the loans and discounting those projected net cash flows to a present value, which is the estimated fair value (the “Income Approach”). In applying the Income Approach, the Company analyzed similar loans offered by third-party financial institutions in Belarusian Rubles (“BYR”) and adjusted the interest rates charged on such loans to exclude the effects of underlying economic factors, such as inflation and currency devaluation. The Company also assessed the probability of future defaults and associated cash flows impact. In addition, the Company separately analyzed the rate of return that market participants in Belarus would require when investing in unsecured USD-denominated government bonds with similar maturities (a “risk-free rate”) and evaluated a risk premium component to compensate the market participants for the credit and liquidity risks inherent in the loans’ cash flows. As a result of the analysis performed, the Company determined the carrying values of the housing loans issued during the three months ended March 31, 2015 approximated their fair values upon initial recognition. The Company also estimated the fair values of the housing loans that were outstanding as of March 31, 2015 using the inputs noted above and determined their fair values approximated the carrying values as of that date.

Employee Loans, Other — The Company issues short-term, non-interest bearing relocation loans to employees that relocated within the company. Due to the short term of employee loans and high certainty of repayment, their carrying amount is a reasonable estimate of their fair value.

Business Combinations — The Company accounts for its business combinations using the acquisition accounting method, which requires it to determine the fair value of net assets acquired and the related goodwill and other intangible assets in accordance with FASB Accounting Standards Codification Topic 805. The Company identifies and attributes fair values and estimated lives to the intangible assets acquired and allocates the total cost of an acquisition to the underlying net assets based on their respective estimated fair values. Determining the fair value of assets acquired and liabilities assumed requires management’s judgment and involves the use of significant estimates, including projections of future cash inflows and outflows, discount rates, asset lives and market multiples. There are different valuation models for each component, the selection of which requires considerable judgment. These determinations will affect the amount of amortization expense recognized in future periods. The Company bases its fair value estimates on assumptions it believes are reasonable, but recognizes that the assumptions are inherently uncertain.

If initial accounting for the business combination has not been completed by the end of the reporting period in which the business combination occurs, provisional amounts are reported for which the accounting is incomplete, with retrospective adjustment made to such provisional amounts during the measurement period to present new information about facts and circumstances that existed as of the acquisition date. Once the measurement period ends, and in no case beyond one year from the acquisition date, revisions of the accounting for the business combination are recorded in earnings.

All acquisition-related costs, other than the costs to issue debt or equity securities, are accounted for as expenses in the period in which they are incurred. Changes in fair value of contingent consideration arrangements that are not measurement period adjustments are recognized in earnings. Payments to settle contingent consideration, if any, are reflected in cash flows from financing activities and the changes in fair value are reflected in cash flows from operating activities in the Company’s condensed consolidated statements of cash flows.

The Company’s acquisitions usually do not have significant amounts of tangible assets, as the principal assets typically acquired are customer relationships, trade names, non-competition agreements, and workforce. As a result, a substantial portion of the purchase price is allocated to goodwill and other intangible assets.

Goodwill and Other Intangible Assets — Goodwill and intangible assets that have indefinite useful lives are treated consistently with ASC 350. They are tested annually for impairment and are not amortized.

Intangible assets that have finite useful lives are amortized over their estimated useful lives on a straight-line basis. When facts and circumstances indicate potential impairment of amortizable intangible assets, the Company evaluates the recoverability of the asset’s carrying value, using estimates of undiscounted future cash flows that utilize a discount rate determined by its management to be commensurate with the risk inherent in the Company’s business model over the remaining asset life. The estimates of future cash flows attributable to intangible assets require significant judgment based on the Company’s historical and anticipated results. Any impairment loss is measured by the excess of carrying value over fair value.

Stock-Based Compensation — The Company recognizes the cost of its share-based incentive awards based on the fair value of the award at the date of grant net of estimated forfeitures. The cost is expensed evenly over the service period. The service period is the period over which the employee performs the related services, which is normally the same as the vesting period. Over time, the forfeiture assumption is adjusted to the actual forfeiture rate and such change may affect the timing of the total amount of expense recognized over the vesting period. Equity-based awards that do not require future service are expensed immediately. Equity-based awards that do not meet the criteria for equity classification are recorded as liabilities and adjusted to fair value at the end of each reporting period.

Off-Balance Sheet Financial Instruments — Include credit instruments, such as commitments to make employee loans and related guarantees, standby letters of credit and guarantees issued under customer contracts. The face amount for these items represents the exposure to loss, before considering available collateral or the borrower’s ability to repay. Such financial instruments are recorded when they are funded. Loss contingencies arising from off-balance sheet credit exposures are recorded as liabilities when the likelihood of loss is probable and an amount or range of loss can be reasonably estimated. The Company does not believe there are such matters that will have a material effect on the consolidated financial statements.

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LONG-TERM DEBT (Details) (2014 Credit Facility, Revolving Credit Facility, USD $)	3 Months Ended	0 Months Ended
	Mar. 31, 2015	Sep. 12, 2014
Debt Instrument [Line Items]
Line of credit, maximum borrowing capacity		200,000,000
Line of credit, maximum borrowing capacity in foreign currency		50,000,000
Percentage of foreign subsidiaries outstanding shares of capital stock serves as collateral	65.00%
Line of credit, current borrowing capacity		100,000,000
Outstanding debt	$ 0
LIBOR
Debt Instrument [Line Items]
Variable rate spread		1.00%
Federal Funds Open Rate
Debt Instrument [Line Items]
Variable rate spread		0.50%

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EARNINGS PER SHARE (Tables)

3 Months Ended

Mar. 31, 2015

Earnings Per Share [Abstract]

Computation of Basic and Diluted Earnings Per Share

The following table sets forth the computation of basic and diluted earnings per share of common stock as follows:

	Three Months Ended   March 31,
	2015		2014
Numerator for common earnings per share:
Net income	$	14,714	$	17,364
Numerator for basic and diluted earnings per share	$	14,714	$	17,364
Denominator for basic earnings per share:
Weighted average common shares outstanding	47,886		46,797
Effect of dilutive securities:
Stock options, RSUs and performance-based awards	3,114		2,410
Denominator for diluted earnings per share	51,000		49,207
Net income per share:
Basic	$	0.31	$	0.37
Diluted	$	0.29	$	0.35

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INCOME TAXES (Details)	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Income Tax Disclosure [Abstract]
Effective tax rate	19.30%	19.60%

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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Accounting Policies [Abstract]
Assets, Fair Value Disclosure, Recurring	$ 0	$ 0
Liabilities excluding Contingent Consideration, Fair Value, Recurring	$ 0	$ 0

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ACQUISITIONS

3 Months Ended

Mar. 31, 2015

Business Combinations [Abstract]

ACQUISITIONS

ACQUISITIONS

The four acquisitions completed during 2014 allowed the Company to expand into desirable geographic locations, complement the existing vertical markets, increase revenue and create new offerings of services currently provided. The Company used the acquisition method for recording business combinations to account for these acquisitions. Acquisitions were settled in cash and/or stock where a portion of the settlement price may be deferred. In some cases, purchase agreements contain contingent consideration in a form of an earnout obligation. The table below discloses respective details of each acquisition.

Name of Acquisition	Effective Date of Acquisition	Common Shares		Fair Value of Common Shares				Cash, Net of Working Capital and Other Adjustments				Recorded Earnout Payable				Total Recorded Purchase Price		Maximum Potential Earnout Payable
		Issued	Deferred	Issued		Deferred		Paid		Deferred		Cash		Stock
		(in shares)		(in thousands)
Netsoft	March 5, 2014	—	—	$	—	$	—	$	2,403	$	1,022	$	1,825	$	—	$	5,250	$	1,825
Jointech	April 30, 2014	—	89,552	—		2,788		10,000		4,000		15,000		5,000		36,788		20,000
GGA (1)	June 6, 2014	—	—	—		—		14,892		—		11,400		—		26,292
Great Fridays	October 31, 2014	—	—	—		—		10,777		—		1,173		—		11,950		1,173
		—	89,552	$	—	$	2,788	$	38,072	$	5,022	$	29,398	$	5,000	$	80,280

(1) The amount of the maximum potential earnout payable to GGA, if any, is not limited based on the terms of the purchase agreement.

Common shares issued in connection with acquisitions are valued at closing market prices as of the effective date of the applicable acquisition. The maximum potential earnout payables disclosed in the foregoing table represent the maximum amount of additional consideration that could be paid pursuant to the terms of the purchase agreement for the applicable acquisition. The amounts recorded as earnout payables, which are based upon the estimated future operating results of the acquired businesses within a seven-to twelve-month period subsequent to the acquisition date, are measured at fair value as of the acquisition date and are included on that basis in the recorded purchase price consideration in the foregoing table. The Company will record subsequent changes in the fair value of the earnout obligations, if any, in its consolidated income from operations. Please see Note 4 for discussion around significant inputs and assumptions relating to the earnout obligation.

Netsoft — On March 5, 2014, the Company completed an acquisition of substantially all of the assets and assumed certain specific liabilities of U.S.-based healthcare technology consulting firm Netsoft Holdings, LLC and Armenia-based Ozsoft, LLC (collectively, “Netsoft”). As a result of this transaction, substantially all of the employees of Netsoft, including approximately 40 IT professionals, accepted employment with the Company. In connection with the Netsoft acquisition, the Company agreed to issue a total of 2,289 restricted shares of Company common stock as consideration for future services to key management and employees of Netsoft (the “Netsoft Closing Shares”). The Company agreed to pay deferred consideration, consisting partly of 9,154 restricted shares of Company common stock. During the quarter ended on March 31, 2015, the Company issued 16,349 restricted shares of Company common stock to Netsoft for achieving certain performance targets (collectively with the Netsoft Closing Shares, the “Netsoft Employment Shares”). The Netsoft Employment Shares vest in equal annual installments over a three-year period starting from the date of acquisition. The first such installment vested during the quarter ended March 31, 2015. All unvested shares will be forfeited upon termination of services by the Company for cause or by the employee other than for good reason. The Netsoft Employment Shares had an estimated value of $1,017 at the time of grant and were recorded as stock-based compensation expense over an associated service period of three years (Note 7). Under the terms of this agreement, all of the Netsoft Closing Shares, as well as $256, were placed in escrow for a period of 18 months as security for the indemnification obligations of the sellers under the asset purchase agreement.

Jointech — On April 30, 2014, the Company acquired all of the outstanding equity of Joint Technology Development Limited, a company organized under the laws of Hong Kong, including its wholly-owned subsidiaries Jointech Software (Shenzhen) Co., Ltd., a company organized under the laws of China, and Jointech Software Pte. Ltd., a company organized under the laws of Singapore (collectively, “Jointech”). Jointech provides strategic technology services to multi-national organizations in investment banking, wealth and asset management. As a result of this transaction, substantially all employees of Jointech, including approximately 216 IT professionals, accepted employment with the Company. In connection with the Jointech acquisition, the Company issued a total of 89,552 shares of the Company common stock to a former owner of Jointech as consideration for future services on or about the six-month anniversary from the date of acquisition (the “Jointech Closing Shares”). Furthermore, the Company will pay to that former owner up to a maximum of $5,000 in shares of Company common stock determined based on the average closing price per share for the 30-trading day period preceding April 1, 2015(collectively with the Jointech Closing Shares, the “Jointech Employment Shares”). The Jointech Employment Shares will vest in equal annual installments over a three-year period starting from the date of acquisition. All unvested Jointech Employment Shares will be forfeited upon termination of services for cause by the Company or other than for good reason (as applicable) by either of the two former owners of the acquired business. The aggregate fair value of the Jointech Employment Shares at the date of grant was $7,788 and will be recorded as stock-based compensation expense over an associated service period of three years (Note 7).

Under the terms of the agreement, 15% of the total purchase price, in cash and stock, including the Jointech Employment Shares, was placed in an escrow account for a period of 18 months as security for the indemnification obligations of the sellers under the stock purchase agreement.

GGA — On June 6, 2014, the Company acquired substantially all of the assets and assumed certain specific liabilities of GGA Software Services, LLC, Institute of Theoretical Chemistry, Inc., and GGA’s Russian affiliate (collectively, “GGA”). Established in 1994, GGA develops scientific informatics applications and content databases; creates state-of-the-art algorithms and models; and delivers IT support, maintenance, and QA services to the world’s leading healthcare and life sciences companies. As a result of this transaction, substantially all employees of GGA, including approximately 329 IT professionals and 126 scientists, accepted employment with the Company. In connection with the GGA acquisition, the Company agreed to issue a total of 262,277 shares of the Company common stock to the former owners of GGA as consideration for future services (the “GGA Closing Shares”). Furthermore, subject to attainment of specified performance targets, the Company will issue to the former owners of GGA shares of its common stock based on the formula provided in the purchase agreement (collectively with GGA Closing Shares, the “GGA Employment Shares”). The GGA Employment Shares will vest in equal annual installments over a three-year period starting from the date of acquisition. With respect to each former owner, all unvested shares will be forfeited upon either termination of services by the Company for cause or by the employee other than for good reason. The aggregate fair value of the GGA Employment Shares at the date of grant was $20,655 and will be recorded as stock-based expense over an associated service period of three years (Note 7). Under the terms of the agreement, a total of 102,631 of the GGA Employment Shares were placed into an escrow account as security for the indemnification obligations of the sellers under the asset purchase agreement.

Great Fridays — On October 31, 2014, the Company acquired all of the outstanding equity of Great Fridays Limited and its subsidiaries with intent to expand the Company's product and design service portfolio. Great Fridays Limited, headquartered in Manchester, UK, with offices in London, San Francisco and New York, focuses on bridging the gap between business and design. The acquisition of Great Fridays added approximately 50 creative design professionals to the Company's headcount. In connection with the Great Fridays acquisition, the Company agreed to issue a total of 90,864 shares of the Company common stock to the former owners of Great Fridays as consideration for future services (the “Great Fridays Closing Shares”). Furthermore, subject to attainment of specified performance targets, the Company will pay the former owners of Great Fridays up to a maximum of 10,092 shares of the Company common stock (collectively with Great Fridays Closing Shares, the “GF Employment Shares”). The GF Employment Shares will vest in equal annual installments over a three-year period starting from the date of acquisition. With respect to each former owner, all unvested shares will be forfeited upon either termination of services by the Company for cause or by the employee other than for good reason. The aggregate fair value of the GF Employment Shares at the date of grant was $4,823 and will be recorded as stock-based compensation expense over an associated service period of three years (Note 7). Under the terms of the agreement, a total of 28,390 of the GF Employment Shares were placed into an escrow account as security for the indemnification obligations of the sellers under the asset purchase agreement.

The following is a summary of the estimated fair values of the net assets acquired at the date of each respective acquisition during the year ended December 31, 2014 as originally reported in the quarterly condensed consolidated financial statements and at March 31, 2015:

	Netsoft				Jointech				GGA				Great Fridays				Total
	As Originally Reported		As of    March 31,   2015		As Originally Reported		As of    March 31,   2015		As Originally Reported		As of    March 31,   2015		As Originally Reported		As of    March 31,   2015		As Originally Reported		As of    March 31,   2015
Cash and cash equivalents	$	—	$	—	$	871	$	871	$	—	$	—	$	259	$	259	$	1,130	$	1,130
Trade receivables and other current assets	788		788		784		784		5,157		5,377		1,825		1,825		8,554		8,774
Property and equipment and other long-term assets	52		52		338		338		444		444		262		262		1,096		1,096
Deferred tax asset	351		—		—		—		4,463		—		—		—		4,814		—
Acquired intangible assets	1,700		1,700		25,744		22,485		10,959		10,959		5,747		5,747		44,150		40,891
Goodwill	2,776		2,779		11,033		17,404		6,496		12,209		6,947		6,870		27,252		39,262
Total assets acquired	5,667		5,319		38,770		41,882		27,519		28,989		15,040		14,963		86,996		91,153
Accounts payable and accrued expenses	69		69		728		728		2,593		2,593		872		872		4,262		4,262
Deferred revenue	—		—		—		—		—		104		317		317		317		421
Due to employees	—		—		1,254		1,254		—		—		624		624		1,878		1,878
Deferred tax liability	—		—		—		3,112		—		—		1,200		1,200		1,200		4,312
Total liabilities assumed	69		69		1,982		5,094		2,593		2,697		3,013		3,013		7,657		10,873
Net assets acquired	$	5,598	$	5,250	$	36,788	$	36,788	$	24,926	$	26,292	$	12,027	$	11,950	$	79,339	$	80,280

As of March 31, 2015 the fair values of the assets acquired and liabilities assumed and the related purchase price allocation for the Netsoft acquisition have been finalized. For the remaining acquisitions the above estimated fair values of the assets acquired and liabilities assumed are provisional and based on the information that was available as of the acquisition date and updated for any changes as of March 31, 2015. During the period since the date of each respective acquisition the following updates were made to the initially reported balances.

For Netsoft, the deferred tax asset and goodwill were adjusted and decreased the net assets acquired by $348. For Jointech, intangible assets were adjusted to reflect the results of a preliminary valuation report obtained and a deferred tax liability was established, both increasing goodwill with no change to the net assets acquired. For GGA, additional accounts receivable and deferred revenue were recognized, deferred tax assets were netted with recognized deferred tax liabilities, and the final working capital adjustment was completed, which in aggregate increased the net assets acquired by $1,366. For Great Fridays, certain non-material adjustments were recognized, which decreased the net assets acquired by $77. These adjustments did not significantly impact previously reported financial results.

The Company is gathering additional information necessary to finalize the estimated fair values of intangible assets, deferred income taxes, contingent consideration and other amounts associated with the acquisitions for which the purchase price allocation has not been finalized as of March 31, 2015. The fair values reflected are subject to change. Such changes could be significant. The Company expects to finalize the valuation and complete the purchase price allocation as soon as practicable but no later than one year from the respective acquisition dates.

The following table presents the estimated fair values and useful lives of intangible assets acquired during the year ended March 31, 2015:

	Netsoft			Jointech			GGA			Great Fridays
	Weighted Average Useful Life (in years)	Amount		Weighted Average Useful Life (in years)	Amount		Weighted Average Useful Life (in years)	Amount		Weighted Average Useful Life (in years)	Amount
Customer relationships	10	$	1,700	10	$	22,173	10	$	10,959	10	$	5,747
Trade names	—	—		2	312		—	—		—	—
Total		$	1,700		$	22,485		$	10,959		$	5,747

Aggregate revenues generated by the acquired companies for the three months ended March 31, 2015 and 2014 were approximately $12.8 million and $0.4 million, respectively, and are included in the condensed consolidated statements of operations for the reporting periods following the closing date of each acquisition. As of the quarter ended March 31, 2015, the acquired companies have been significantly integrated into the Company and as such, it is not possible to precisely report their individual results of operations. Additionally, pro forma results of operations for the acquisition transactions were not presented because the effects of the acquisitions would not have been material to the Company’s consolidated results of operation, individually or in the aggregate.

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CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Current assets
Accounts receivable allowance	$ 2,618	$ 2,181
Employee loans current allowance	0	0
Noncurrent assets
Employee loans long-term allowance	$ 0	$ 0
Stockholders' equity
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, shares authorized (in shares)	160,000,000	160,000,000
Common stock, shares issued (in shares )	49,111,297	48,748,298
Common stock, shares outstanding (in shares)	48,692,313	48,303,811

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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies)

3 Months Ended

Mar. 31, 2015

Accounting Policies [Abstract]

Nature of Operations

EPAM is a leading global provider of complex software engineering solutions and information technology ("IT") services to clients throughout North America, Western and Eastern Europe, Russia and Asia. The Company serves primarily Fortune Global 2000 companies in various industries with the main focus on Independent Software Vendors (“ISVs”) and technology, banking and financial services, business information and media, and travel and hospitality. Other industries include retail, energy, life sciences, healthcare, telecommunications, and government.

The Company is incorporated in Delaware with headquarters in Newtown, PA, with multiple delivery centers located in Belarus, Ukraine, Russia, Hungary, Kazakhstan, Bulgaria, China, Armenia and Poland, and client management locations in the United States, Canada, the United Kingdom, Germany, Sweden, Switzerland, Netherlands, Russia, Kazakhstan, Singapore, China, Hong Kong and Australia.

Basis of Presentation

The accompanying unaudited condensed consolidated financial statements ("financial statements") of EPAM Systems, Inc. (the “Company” or “EPAM”) have been prepared in accordance with generally accepted accounting principles in the United States ("GAAP") and Article 10 of Regulation S-X under the Securities Exchange Act of 1934, as amended. The condensed consolidated financial statements include the financial statements of EPAM Systems, Inc. and its subsidiaries with all intercompany balances and transactions eliminated.

These unaudited condensed consolidated financial statements and accompanying notes should be read in conjunction with the Company’s audited consolidated financial statements and the notes thereto for the year ended December 31, 2014 included in its Annual Report on Form 10-K

Use of Estimates

The preparation of these condensed consolidated financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the amounts reported in these condensed consolidated financial statements and accompanying notes. Actual results could differ from those estimates, and such differences may be material to the financial statements. Additionally, operating results for the interim periods are not necessarily indicative of results that may be expected to occur for the entire year.

Revenue Recognition

Revenue Recognition — The Company recognizes revenue when the following criteria are met: (1) persuasive evidence of an arrangement exists; (2) delivery has occurred; (3) the sales price is fixed or determinable; and (4) collectability is reasonably assured. Determining whether and when some of these criteria have been satisfied often involves assumptions and judgments that can have a significant impact on the timing and amount of revenue reported.

The Company derives its revenues from a variety of service offerings, which represent specific competencies of its IT professionals. Contracts for these services have different terms and conditions based on the scope, deliverables, and complexity of the engagement, which require management to make judgments and estimates in determining appropriate revenue recognition pattern. Fees for these contracts may be in the form of time-and-materials or fixed-price arrangements. If there is an uncertainty about the project completion or receipt of payment for the consulting services, revenue is deferred until the uncertainty is sufficiently resolved. At the time revenue is recognized, the Company provides for any contractual deductions and reduces the revenue accordingly. The Company reports gross reimbursable “out-of-pocket” expenses incurred as both revenues and cost of revenues in the condensed consolidated statements of income and comprehensive income.

The Company defers amounts billed to its clients for revenues not yet earned. Such amounts are anticipated to be recorded as revenues as services are performed in subsequent periods. Unbilled revenues represent services provided, which are billed subsequent to the period end in accordance with the contract terms.

Fair Value of Financial Instruments

Fair Value of Financial Instruments — The Company makes significant assumptions about fair values of its financial assets and liabilities in accordance with FASB Accounting Standards Codification (ASC) Topic 820 and utilizes the following fair value hierarchy in determining inputs used for valuation:

Level 1 — Quoted prices for identical assets or liabilities in active markets.

Level 2 — Inputs other than quoted prices within Level 1 that are observable either directly or indirectly, including quoted prices in markets that are not active, quoted prices in active markets for similar assets or liabilities, and observable inputs other than quoted prices such as interest rates or yield curves.

Level 3 — Unobservable inputs reflecting our view about the assumptions that market participants would use in pricing the asset or liability.

Where the fair values of financial assets and liabilities recorded in the consolidated balance sheets cannot be derived from an active market, they are determined using a variety of valuation techniques. These valuation techniques include a net present value technique, comparison to similar instruments with market observable inputs, options pricing models and other relevant valuation models. To the extent possible, observable market data is used as inputs into these models but when it is not feasible, a degree of judgment is required to establish fair values.

Financial Assets and Liabilities Measured At Fair Value on a Recurring Basis

The Company had no assets or liabilities measured at fair value on a recurring basis as of March 31, 2015 and December 31, 2014, other than contingent liabilities in connection with the acquisitions of businesses.

At March 31, 2015, contingent liabilities measured at fair value on a recurring basis comprised contingent consideration payable in cash and stock, and performance-based awards issued to certain former owners of the acquired businesses in exchange for future services. Contingent liabilities are valued using significant inputs that are not observable in the market, which are defined as Level 3 inputs according to fair value measurement accounting. The Company estimates the fair value of contingent liabilities based on certain performance milestones of the acquired businesses and estimated probabilities of achievement, then discounts the liabilities to present value using the Company’s cost of debt for the cash component of contingent consideration, and risk free rate for the stock component of a contractual contingency.

The Company believes its estimates and assumptions are reasonable, however, there is significant judgment involved. Changes in the fair value of contingent consideration liabilities primarily result from changes in the timing and amount of specific milestone estimates and changes in probability assumptions with respect to the likelihood of achieving the various earnout criteria. These changes could cause a material impact to, and volatility in the Company’s operating results.

Financial Assets and Liabilities Measured At Fair Value on a Non-Recurring Basis

The amounts of the Company’s financial assets and liabilities, with the exceptions of employee housing loans and other employee loans described further herein, approximate fair value because of their short-term maturities.

See Note 4 for disclosures related to fair value.

Employee Loans — The Company issues employee housing loans in Belarus and relocation loans to assist employees with relocation needs in connection with intra-company transfers. There are no loans issued to principal officers, directors, and their affiliates.

On a quarterly basis, the Company reviews the aging of its loan portfolio to evaluate information about the ability of employees to service their debt, including historical payment experience, reasons for payment delays and shortfalls, if any, as well as probability of collecting scheduled principal and interest payments based on the knowledge of individual borrowers, among other factors. Since the initiation of the loan program there have not been material past due or non-accrual employee loans or write offs related to loan losses and, therefore, the Company determined that no allowance for loan losses is required.

Employee Housing Loans — In the third quarter of 2012, the Board of Directors of the Company approved the Employee Housing Program (the “Housing Program”), which assists employees with purchasing housing in Belarus in a form of a loan. The Housing Program was designed to be a retention mechanism for the Company’s employees in Belarus and is available to full-time qualified employees who have been with the Company for at least 3 years. The aggregate maximum lending limit of the program is $10,000, with individual loans not exceeding $50. The housing is sold directly to employees by independent third parties. Loans issued under the Housing Program are denominated in U.S. Dollars with a 5-year term and an interest rate of 7.5%.

The housing loans were classified as Level 3 measurements within the fair value hierarchy because they were valued using significant unobservable inputs. The estimated fair value of these housing loans upon initial recognition was computed by projecting the future contractual cash flows to be received from the loans and discounting those projected net cash flows to a present value, which is the estimated fair value (the “Income Approach”). In applying the Income Approach, the Company analyzed similar loans offered by third-party financial institutions in Belarusian Rubles (“BYR”) and adjusted the interest rates charged on such loans to exclude the effects of underlying economic factors, such as inflation and currency devaluation. The Company also assessed the probability of future defaults and associated cash flows impact. In addition, the Company separately analyzed the rate of return that market participants in Belarus would require when investing in unsecured USD-denominated government bonds with similar maturities (a “risk-free rate”) and evaluated a risk premium component to compensate the market participants for the credit and liquidity risks inherent in the loans’ cash flows. As a result of the analysis performed, the Company determined the carrying values of the housing loans issued during the three months ended March 31, 2015 approximated their fair values upon initial recognition. The Company also estimated the fair values of the housing loans that were outstanding as of March 31, 2015 using the inputs noted above and determined their fair values approximated the carrying values as of that date.

Employee Loans, Other — The Company issues short-term, non-interest bearing relocation loans to employees that relocated within the company. Due to the short term of employee loans and high certainty of repayment, their carrying amount is a reasonable estimate of their fair value.

Business Combinations

Business Combinations — The Company accounts for its business combinations using the acquisition accounting method, which requires it to determine the fair value of net assets acquired and the related goodwill and other intangible assets in accordance with FASB Accounting Standards Codification Topic 805. The Company identifies and attributes fair values and estimated lives to the intangible assets acquired and allocates the total cost of an acquisition to the underlying net assets based on their respective estimated fair values. Determining the fair value of assets acquired and liabilities assumed requires management’s judgment and involves the use of significant estimates, including projections of future cash inflows and outflows, discount rates, asset lives and market multiples. There are different valuation models for each component, the selection of which requires considerable judgment. These determinations will affect the amount of amortization expense recognized in future periods. The Company bases its fair value estimates on assumptions it believes are reasonable, but recognizes that the assumptions are inherently uncertain.

If initial accounting for the business combination has not been completed by the end of the reporting period in which the business combination occurs, provisional amounts are reported for which the accounting is incomplete, with retrospective adjustment made to such provisional amounts during the measurement period to present new information about facts and circumstances that existed as of the acquisition date. Once the measurement period ends, and in no case beyond one year from the acquisition date, revisions of the accounting for the business combination are recorded in earnings.

All acquisition-related costs, other than the costs to issue debt or equity securities, are accounted for as expenses in the period in which they are incurred. Changes in fair value of contingent consideration arrangements that are not measurement period adjustments are recognized in earnings. Payments to settle contingent consideration, if any, are reflected in cash flows from financing activities and the changes in fair value are reflected in cash flows from operating activities in the Company’s condensed consolidated statements of cash flows.

The Company’s acquisitions usually do not have significant amounts of tangible assets, as the principal assets typically acquired are customer relationships, trade names, non-competition agreements, and workforce. As a result, a substantial portion of the purchase price is allocated to goodwill and other intangible assets.

Goodwill and Other Intangible Assets

Goodwill and Other Intangible Assets — Goodwill and intangible assets that have indefinite useful lives are treated consistently with ASC 350. They are tested annually for impairment and are not amortized.

Intangible assets that have finite useful lives are amortized over their estimated useful lives on a straight-line basis. When facts and circumstances indicate potential impairment of amortizable intangible assets, the Company evaluates the recoverability of the asset’s carrying value, using estimates of undiscounted future cash flows that utilize a discount rate determined by its management to be commensurate with the risk inherent in the Company’s business model over the remaining asset life. The estimates of future cash flows attributable to intangible assets require significant judgment based on the Company’s historical and anticipated results. Any impairment loss is measured by the excess of carrying value over fair value.

Stock-based Compensation

Stock-Based Compensation — The Company recognizes the cost of its share-based incentive awards based on the fair value of the award at the date of grant net of estimated forfeitures. The cost is expensed evenly over the service period. The service period is the period over which the employee performs the related services, which is normally the same as the vesting period. Over time, the forfeiture assumption is adjusted to the actual forfeiture rate and such change may affect the timing of the total amount of expense recognized over the vesting period. Equity-based awards that do not require future service are expensed immediately. Equity-based awards that do not meet the criteria for equity classification are recorded as liabilities and adjusted to fair value at the end of each reporting period.

Off-Balance Sheet Financial Instruments

Off-Balance Sheet Financial Instruments — Include credit instruments, such as commitments to make employee loans and related guarantees, standby letters of credit and guarantees issued under customer contracts. The face amount for these items represents the exposure to loss, before considering available collateral or the borrower’s ability to repay. Such financial instruments are recorded when they are funded. Loss contingencies arising from off-balance sheet credit exposures are recorded as liabilities when the likelihood of loss is probable and an amount or range of loss can be reasonably estimated. The Company does not believe there are such matters that will have a material effect on the consolidated financial statements.

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Document and Entity Information	3 Months Ended
	Mar. 31, 2015	Apr. 30, 2015
Document Documentand Entity Information [Abstract]
Entity Registrant Name	EPAM Systems, Inc.
Entity Central Index Key	0001352010
Current Fiscal Year End Date	--12-31
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding		48,905,023
Document Fiscal Year Focus	2015
Document Fiscal Period Focus	Q1
Document Period End Date	Mar. 31, 2015
Document Type	10-Q
Amendment Flag	false
Trading Symbol	EPAM

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ACQUISITIONS (Tables)

3 Months Ended

Mar. 31, 2015

Business Combinations [Abstract]

Summary of Acquisitions in Exchange for Common Stock and/or Cash

Name of Acquisition	Effective Date of Acquisition	Common Shares		Fair Value of Common Shares				Cash, Net of Working Capital and Other Adjustments				Recorded Earnout Payable				Total Recorded Purchase Price		Maximum Potential Earnout Payable
		Issued	Deferred	Issued		Deferred		Paid		Deferred		Cash		Stock
		(in shares)		(in thousands)
Netsoft	March 5, 2014	—	—	$	—	$	—	$	2,403	$	1,022	$	1,825	$	—	$	5,250	$	1,825
Jointech	April 30, 2014	—	89,552	—		2,788		10,000		4,000		15,000		5,000		36,788		20,000
GGA (1)	June 6, 2014	—	—	—		—		14,892		—		11,400		—		26,292
Great Fridays	October 31, 2014	—	—	—		—		10,777		—		1,173		—		11,950		1,173
		—	89,552	$	—	$	2,788	$	38,072	$	5,022	$	29,398	$	5,000	$	80,280

(1) The amount of the maximum potential earnout payable to GGA, if any, is not limited based on the terms of the purchase agreement.

Schedule of Recognized Identified Assets Acquired and Liabilities Assumed

The following is a summary of the estimated fair values of the net assets acquired at the date of each respective acquisition during the year ended December 31, 2014 as originally reported in the quarterly condensed consolidated financial statements and at March 31, 2015:

	Netsoft				Jointech				GGA				Great Fridays				Total
	As Originally Reported		As of    March 31,   2015		As Originally Reported		As of    March 31,   2015		As Originally Reported		As of    March 31,   2015		As Originally Reported		As of    March 31,   2015		As Originally Reported		As of    March 31,   2015
Cash and cash equivalents	$	—	$	—	$	871	$	871	$	—	$	—	$	259	$	259	$	1,130	$	1,130
Trade receivables and other current assets	788		788		784		784		5,157		5,377		1,825		1,825		8,554		8,774
Property and equipment and other long-term assets	52		52		338		338		444		444		262		262		1,096		1,096
Deferred tax asset	351		—		—		—		4,463		—		—		—		4,814		—
Acquired intangible assets	1,700		1,700		25,744		22,485		10,959		10,959		5,747		5,747		44,150		40,891
Goodwill	2,776		2,779		11,033		17,404		6,496		12,209		6,947		6,870		27,252		39,262
Total assets acquired	5,667		5,319		38,770		41,882		27,519		28,989		15,040		14,963		86,996		91,153
Accounts payable and accrued expenses	69		69		728		728		2,593		2,593		872		872		4,262		4,262
Deferred revenue	—		—		—		—		—		104		317		317		317		421
Due to employees	—		—		1,254		1,254		—		—		624		624		1,878		1,878
Deferred tax liability	—		—		—		3,112		—		—		1,200		1,200		1,200		4,312
Total liabilities assumed	69		69		1,982		5,094		2,593		2,697		3,013		3,013		7,657		10,873
Net assets acquired	$	5,598	$	5,250	$	36,788	$	36,788	$	24,926	$	26,292	$	12,027	$	11,950	$	79,339	$	80,280

Schedule of Finite-Lived Intangible Assets

The following table presents the estimated fair values and useful lives of intangible assets acquired during the year ended March 31, 2015:

	Netsoft			Jointech			GGA			Great Fridays
	Weighted Average Useful Life (in years)	Amount		Weighted Average Useful Life (in years)	Amount		Weighted Average Useful Life (in years)	Amount		Weighted Average Useful Life (in years)	Amount
Customer relationships	10	$	1,700	10	$	22,173	10	$	10,959	10	$	5,747
Trade names	—	—		2	312		—	—		—	—
Total		$	1,700		$	22,485		$	10,959		$	5,747

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CONDENSED CONSOLIDATED STATEMENTS OF INCOME AND COMPREHENSIVE INCOME (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Income Statement [Abstract]
Revenues	$ 200,045	$ 160,384
Operating expenses:
Cost of revenues (exclusive of depreciation and amortization)	125,887	102,454
Selling, general and administrative expenses	46,938	32,359
Depreciation and amortization expense	4,200	3,689
Other operating expenses, net	200	25
Income from operations	22,820	21,857
Interest and other income, net	1,158	976
Foreign exchange loss	(5,754)	(1,241)
Income before provision for income taxes	18,224	21,592
Provision for income taxes	3,510	4,228
Net income	14,714	17,364
Foreign currency translation adjustments	(2,730)	(3,577)
Comprehensive income	$ 11,984	$ 13,787
Net income per share:
Basic (in dollars per share)	$ 0.31	$ 0.37
Diluted (in dollars per share)	$ 0.29	$ 0.35
Shares used in calculation of net income per share:
Basic (in shares)	47,886	46,797
Diluted (in shares)	51,000	49,207

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STOCK-BASED COMPENSATION

3 Months Ended

Mar. 31, 2015

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

STOCK-BASED COMPENSATION

STOCK-BASED COMPENSATION

The following costs related to the Company’s stock compensation plans were included in the unaudited condensed consolidated statements of income:

	Three Months Ended   March 31,
	2015		2014
Cost of revenues	$	2,484	$	1,403
Selling, general and administrative expenses - Acquisition related	4,492		793
Selling, general and administrative expenses - All other	2,158		1,012
Total	$	9,134	$	3,208

Equity Plans

2012 Non-Employee Directors Compensation Plan — On January 11, 2012, the Company approved the 2012 Non-Employee Directors Compensation Plan (“2012 Directors Plan”) to be used to issue equity grants to its non-employee directors. The Company authorized 600,000 shares of common stock to be reserved for issuance under the plan. The 2012 Directors Plan will expire after 10 years and is administered by the Company’s Board of Directors. As of March 31, 2015, 559,365 shares of common stock remained available for issuance under the 2012 Directors Plan.

2012 Long-Term Incentive Plan — On January 11, 2012, the Company approved the 2012 Long-Term Incentive Plan (“2012 Plan”) to be used to issue equity grants to company personnel. As of March 31, 2015, 2,702,383 shares of common stock remained available for issuance under the 2012 Plan. This includes (i) any shares that were available for issuance under the 2006 Plan (as defined below) as of its discontinuance date and that became available for issuance under the 2012 Plan and (ii) any shares that were subject to outstanding awards under the 2006 Plan and have expired or terminated or were cancelled between the discontinuance date of the 2006 Plan and March 31, 2015 and therefore became available for issuance under the 2012 Plan. In addition, up to 1,542,847 shares that are subject to outstanding awards as of March 31, 2015 under the 2006 Plan and that expire or terminate for any reason prior to exercise or that would otherwise have returned to the 2006 Plan’s share reserve under the terms of the 2006 Plan will be available for awards to be granted under the 2012 Plan.

2006 Stock Option Plan — Effective May 31, 2006, the Board of Directors of the Company adopted the 2006 Stock Option Plan (the “2006 Plan”). The 2006 Plan permitted the granting of options to directors, employees, and certain independent contractors. The Compensation Committee of the Board of Directors generally had the authority to select individuals who were to receive options and to specify the terms and conditions of each option so granted, including the number of shares covered by the option, the exercise price, vesting provisions, and the overall option term. In January 2012, the 2006 Plan was discontinued; however, outstanding awards remain subject to the terms of the 2006 Plan and any shares that are subject to an option award that was previously granted under the 2006 Plan and that will expire or terminate for any reason prior to exercise will become again available for issuance under the 2012 Plan. All of the options issued pursuant to the 2006 Plan expire 10 years from the date of grant.

Stock Options

Stock option activity under the Company’s plans is set forth below:

	Number of Options		Weighted Average Exercise Price		Aggregate Intrinsic Value
Options outstanding at January 1, 2015	6,838,746		$	20.98	$	183,073
Options granted	2,069,300		61.38		(186		)
Options exercised	(346,499	)	12.84		(16,788		)
Options forfeited/cancelled	(33,922	)	28.22		(1,122		)
Options outstanding at March 31, 2015	8,527,625		$	31.09	$	257,534
Options vested and exercisable at March 31, 2015	3,329,962		$	15.56	$	152,279
Options expected to vest	4,741,728		$	40.53	$	98,438

During the three months ended March 31, 2015, the Company issued annual grants consisting of 2,069,300 shares underlying stock options under the 2012 Plan with an aggregate grant-date fair value of $43,992. The options are generally scheduled to vest in equal 25% installments on each of the first four anniversaries of the grant date, subject to the terms of the 2012 Plan and applicable stock options award agreement, including the termination provisions. In the event of the participant’s termination of service for any reason, unvested options are forfeited as of the date of such termination without any payment to the participant.

As of March 31, 2015, total remaining unrecognized compensation cost related to unvested stock options, net of forfeitures, was approximately $81,547, and is expected to be recognized over a weighted-average period of 2.4 years. The weighted average remaining contractual term of the outstanding options as of March 31, 2015 was 6.1 years for fully vested and exercisable options and 9.0 years for options expected to vest, respectively.

As of March 31, 2015, a total of 30,246 shares underlying options exercised through March 31, 2015, were in transfer with the Company’s transfer agent.

There were no material changes with respect to the assumptions used in the Black-Scholes option valuation model during the three months ended March 31, 2015, as compared with the assumptions disclosed in Note 14 to the audited consolidated financial statements included in the Company’s Annual Report on Form 10-K for the fiscal year ended December 31, 2014.

Other Awards

Other awards include awards of restricted stock and restricted stock units (“RSUs”) under the Company’s 2012 Directors Plan and 2012 Plan. In addition, the Company has in the past, and may in the future, issue its equity securities to compensate employees of acquired businesses for future services, upon such terms and at such prices as it deems appropriate. Equity-based awards granted in connection with acquisitions of businesses are generally issued in the form of service-based awards dependent on continuing employment only and performance-based awards, which are granted only if certain specified performance conditions are met. The awards issued in connection with acquisitions of businesses are subject to the terms and conditions contained in the applicable award agreement and acquisition documents.

Service-Based Awards

Summarized activity related to the Company’s service-based awards for the three months ended March 31, 2015, was as follows:

	Number of Shares		Weighted Average Grant Date Fair Value Per Share
Unvested service-based awards outstanding at January 1, 2015	633,442		$	36.88
Awards granted	48,000		61.38
Awards vested	(21,442	)	28.68
Awards forfeited/cancelled	—		—
Unvested service-based awards outstanding at March 31, 2015	660,000		$	38.93

As of March 31, 2015, aggregate unrecognized compensation expense under the 2012 Directors Plan was $205. This cost is expected to be recognized over the next 1.8 years using the weighted average method. There was no issuance of non-vested (“restricted”) common stock under the 2012 Directors Plan during the quarter ended March 31, 2015.

Included in service-based awards are RSUs issued to certain key management personnel under the 2012 Plan. During the three months ended March 31, 2015, the Company issued a total of 48,000 RSUs with the fair value of $2,946. As of March 31, 2015, the aggregate unrecognized compensation expense related to unvested RSUs under the 2012 Plan was $4,450. This cost is expected to be recognized over the next 2.6 years using the weighted average method. The RSUs are generally scheduled to vest in equal 25% installments on each annual anniversary of the grant date, subject to the terms of the 2012 Plan and applicable RSU award agreement, including the termination provisions. In the event of the participant’s termination of service for any reason, unvested RSUs are forfeited as of the date of such termination without any payment to the participant.

In connection with the Company’s acquisitions, a total of 544,692 shares underlying service-based awards with an aggregate fair value of $25,176 were unvested and outstanding as of March 31, 2015. As of March 31, 2015, unrecognized compensation cost related to unvested service-based awards granted in connection with acquisitions was $15,748. This cost is expected to be recognized over the next 1.8 years using the weighted average method.

Performance -Based Awards

In 2014, the Company granted performance-based awards in connection with the acquisitions completed during that year. The total number of the awards varies based on attainment of certain performance targets pursuant to the terms of the relevant purchase agreements. Typically, the vesting period is three years, with one third of the awards granted vesting in equal installments on the first, second and third anniversaries of the grant. If an eligible employee leaves the Company prior to a vesting date, the unvested portion of the award will be forfeited, generally. The Company periodically evaluates the achievement of the related performance conditions during the applicable performance measurement period and the number of shares expected to be delivered, and resulting compensation expense is adjusted accordingly. During the three months ended March 31, 2015, one-third of performance-based awards for Netsoft vested.

Summarized activity related to the Company’s performance-based awards for the three months ended March 31, 2015, was as follows:

	Number of Shares		Weighted Average Grant Date Fair Value Per Share
Unvested performance-based awards outstanding at January 1, 2015	371,510		$	39.34
Awards granted	—		—
Awards vested	(8,501	)	36.57
Awards forfeited/cancelled	—		—
Changes in the number of awards expected to be delivered	(20,583	)	56.74
Unvested performance-based awards outstanding at March 31, 2015	342,426		$	37.91

As of March 31, 2015, total unrecognized compensation cost related to unvested performance-based awards was $14,898. This cost is expected to be recognized over the next 1.8 years using the weighted average method.

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INCOME TAXES

3 Months Ended

Mar. 31, 2015

Income Tax Disclosure [Abstract]

INCOME TAXES

INCOME TAXES

The Company’s worldwide effective tax rate for the three months ended March 31, 2015 and 2014 was 19.3% and 19.6%, respectively. The primary factors that caused a decrease in the Company’s worldwide effective tax rate are the changes in the geographic mix of the current year earnings towards countries with lower statutory rates and also the mix of new tax jurisdictions from acquisitions in the US, western Europe and Asia during 2014.

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OPERATING SEGMENTS (Tables)

3 Months Ended

Mar. 31, 2015

Segment Reporting [Abstract]

Revenues from External Customers and Segment Operating Profit Before Unallocated Expenses

Revenues from external customers and segment operating profit, before unallocated expenses, for the North America, Europe, Russia and Other reportable segments for the three months ended March 31, 2015 and 2014, were as follows:

	Three Months Ended   March 31,
	2015			2014
Total segment revenues:
North America	$	100,269		$	80,198
Europe	91,152			67,659
Russia	7,513			10,748
Other	1,260			1,392
Total segment revenues	$	200,194		$	159,997
Segment operating profit:
North America	$	24,068		$	18,197
Europe	15,340			14,135
Russia	(271		)	(1,135		)
Other	(457		)	(1,318		)
Total segment operating profit	$	38,680		$	29,879

Reconciliation of Segment Revenues and Operating Profit to Consolidated Income Before Provision for Income Taxes

Reconciliation of segment revenues and operating profit to consolidated income before provision for income taxes is presented below:

	Three Months Ended   March 31,
	2015			2014
Total segment revenues	$	200,194		$	159,997
Unallocated (loss)/revenue	(149		)	387
Revenues	$	200,045		$	160,384
Total segment operating profit:	$	38,680		$	29,879
Unallocated amounts:
Other revenues	(149		)	387
Stock-based compensation expense	(9,134		)	(3,208		)
Non-corporate taxes	(825		)	(546		)
Professional fees	(1,822		)	(1,314		)
Depreciation and amortization	(1,329		)	(655		)
Bank charges	(367		)	(247		)
Other corporate expenses	(2,234		)	(2,439		)
Income from operations	22,820			21,857
Interest and other income, net	1,158			976
Foreign exchange loss	(5,754		)	(1,241		)
Income before provision for income taxes	$	18,224		$	21,592

Geographical Information of Long-Lived Assets Based on Physical Location

	March 31, 2015		December 31, 2014
Belarus	$	42,060	$	41,652
Ukraine	4,377		4,392
Hungary	2,523		2,773
Russia	2,121		2,196
United States	1,779		2,001
Other	2,255		2,120
Total	$	55,115	$	55,134

Revenues by Client Location

Information about the Company’s revenues by client location is as follows:

	Three Months Ended   March 31,
	2015		2014
United States	$	92,182	$	69,136
United Kingdom	38,565		34,244
Switzerland	26,351		20,532
Canada	12,485		9,981
Russia	7,259		10,390
Germany	6,498		6,132
Hong Kong	5,210		—
Netherlands	2,046		2,118
Sweden	2,013		2,312
Belgium	1,525		641
Kazakhstan	1,259		1,242
Ireland	1,187		—
Other locations	1,608		1,689
Reimbursable expenses and other revenues	1,857		1,967
Revenues	$	200,045	$	160,384

Revenues by Service Offering

Information about the Company’s revenues by service offering is as follows:

	Three Months Ended   March 31,
	2015		2014
Software development	$	140,035	$	110,687
Application testing services	37,030		31,770
Application maintenance and support	17,132		11,378
Infrastructure services	3,173		3,754
Licensing	818		828
Reimbursable expenses and other revenues	1,857		1,967
Revenues	$	200,045	$	160,384

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GOODWILL (Tables)

3 Months Ended

Mar. 31, 2015

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill By Reportable Segment

Goodwill by reportable segment was as follows:

	North America			Europe			Total
Balance as of January 1, 2015	$	31,078		$	26,339		$	57,417
Netsoft purchase accounting adjustment (Note 2)	30			—			30
GGA purchase accounting adjustment (Note 2)	94			—			94
Great Fridays purchase accounting adjustment (Note 2)	—			(77		)	(77		)
Effect of net foreign currency exchange rate changes	(206		)	(912		)	(1,118		)
Balance as of March 31, 2015	$	30,996		$	25,350		$	56,346

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OPERATING SEGMENTS

3 Months Ended

Mar. 31, 2015

Segment Reporting [Abstract]

OPERATING SEGMENTS

OPERATING SEGMENTS

The Company determines its operating segments and reports segment information in accordance with the management approach, which designates internal reporting used by management to make operating decisions and assess performance as the source of the Company’s reportable segments.

The Company manages its business primarily based on the geographic managerial responsibility for its client base. As managerial responsibility for a particular client relationship generally correlates with the client’s geographic location, there is a high degree of similarity between client locations and the geographic boundaries of the Company’s reportable segments. In some cases, managerial responsibility for a particular client is assigned to a management team in another region and is usually based on the strength of the relationship between client executives and particular members of EPAM’s senior management team. In such a case, the client’s activity would be reported through the management team’s reportable segment.

The Company’s reportable segments are North America, Europe, Russia and Other. The Company’s Chief Operating Decision Maker (“CODM”) evaluates performance and allocates resources based on the segment's revenues and operating profit. Segment operating profit is defined as income from operations before unallocated costs. Generally, operating expenses for each operating segment have similar characteristics and are subject to similar factors, pressures and challenges. Expenses included in segment operating profit consist principally of direct selling and delivery costs as well as an allocation of certain shared services expenses. Certain expenses, such as stock-based compensation are not allocated to specific segments, as management does not believe it is practical as these expenses are not directly attributable to any specific segment and consequently are not allocated to individual segments in internal management reports used by the CODM. Such expenses are separately disclosed as “unallocated” and adjusted only against the Company’s total income from operations.

Revenues from external customers and segment operating profit, before unallocated expenses, for the North America, Europe, Russia and Other reportable segments for the three months ended March 31, 2015 and 2014, were as follows:

	Three Months Ended   March 31,
	2015			2014
Total segment revenues:
North America	$	100,269		$	80,198
Europe	91,152			67,659
Russia	7,513			10,748
Other	1,260			1,392
Total segment revenues	$	200,194		$	159,997
Segment operating profit:
North America	$	24,068		$	18,197
Europe	15,340			14,135
Russia	(271		)	(1,135		)
Other	(457		)	(1,318		)
Total segment operating profit	$	38,680		$	29,879

Intersegment transactions were excluded from the above on the basis that they are neither included into the measure of a segment’s profit and loss by the CODM, nor provided to the CODM on a regular basis.

During the three months ended March 31, 2015 and 2014, revenues from one customer, UBS AG, were $30,933 and $20,024, respectively, and accounted for more than 10% of total revenues. Revenues from this customer included reimbursable expenses and were included in the Company’s Europe segment in the periods indicated.

Trade accounts receivable and unbilled revenues are generally dispersed across our clients in proportion to their revenues. As of March 31, 2015, billed trade receivables from one customer, UBS AG, individually exceeded 10% and accounted for 15.6% of our total billed trade receivables. As of March 31, 2015, unbilled trade receivables from two customers, UBS AG and Barclays, individually exceeded 10% and together accounted for 27.1% of our total unbilled trade receivables.

Reconciliation of segment revenues and operating profit to consolidated income before provision for income taxes is presented below:

	Three Months Ended   March 31,
	2015			2014
Total segment revenues	$	200,194		$	159,997
Unallocated (loss)/revenue	(149		)	387
Revenues	$	200,045		$	160,384
Total segment operating profit:	$	38,680		$	29,879
Unallocated amounts:
Other revenues	(149		)	387
Stock-based compensation expense	(9,134		)	(3,208		)
Non-corporate taxes	(825		)	(546		)
Professional fees	(1,822		)	(1,314		)
Depreciation and amortization	(1,329		)	(655		)
Bank charges	(367		)	(247		)
Other corporate expenses	(2,234		)	(2,439		)
Income from operations	22,820			21,857
Interest and other income, net	1,158			976
Foreign exchange loss	(5,754		)	(1,241		)
Income before provision for income taxes	$	18,224		$	21,592

Geographic Area Information

Long-lived assets include property and equipment, net of accumulated depreciation and amortization, and management has determined that it is not practical to allocate these assets by segment since such assets are used interchangeably among the segments. Geographical information about the Company’s long-lived assets based on physical location of the assets was as follows:

	March 31, 2015		December 31, 2014
Belarus	$	42,060	$	41,652
Ukraine	4,377		4,392
Hungary	2,523		2,773
Russia	2,121		2,196
United States	1,779		2,001
Other	2,255		2,120
Total	$	55,115	$	55,134

Information about the Company’s revenues by client location is as follows:

	Three Months Ended   March 31,
	2015		2014
United States	$	92,182	$	69,136
United Kingdom	38,565		34,244
Switzerland	26,351		20,532
Canada	12,485		9,981
Russia	7,259		10,390
Germany	6,498		6,132
Hong Kong	5,210		—
Netherlands	2,046		2,118
Sweden	2,013		2,312
Belgium	1,525		641
Kazakhstan	1,259		1,242
Ireland	1,187		—
Other locations	1,608		1,689
Reimbursable expenses and other revenues	1,857		1,967
Revenues	$	200,045	$	160,384

Service Offering Information

Information about the Company’s revenues by service offering is as follows:

	Three Months Ended   March 31,
	2015		2014
Software development	$	140,035	$	110,687
Application testing services	37,030		31,770
Application maintenance and support	17,132		11,378
Infrastructure services	3,173		3,754
Licensing	818		828
Reimbursable expenses and other revenues	1,857		1,967
Revenues	$	200,045	$	160,384

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EARNINGS PER SHARE

3 Months Ended

Mar. 31, 2015

Earnings Per Share [Abstract]

EARNINGS PER SHARE

EARNINGS PER SHARE

Basic earnings per share is computed by dividing income available to common shareholders by the weighted-average number of shares of common stock outstanding during the period. Diluted earnings per share is computed by dividing income available to common shareholders by the weighted-average number of shares of common stock outstanding during the period increased to include the number of additional shares of common stock that would have been outstanding if the potentially dilutive securities had been issued. Potentially dilutive securities include outstanding stock options, unvested restricted stock and unvested RSUs. The dilutive effect of potentially dilutive securities is reflected in diluted earnings per share by application of the treasury stock method.

The following table sets forth the computation of basic and diluted earnings per share of common stock as follows:

	Three Months Ended   March 31,
	2015		2014
Numerator for common earnings per share:
Net income	$	14,714	$	17,364
Numerator for basic and diluted earnings per share	$	14,714	$	17,364
Denominator for basic earnings per share:
Weighted average common shares outstanding	47,886		46,797
Effect of dilutive securities:
Stock options, RSUs and performance-based awards	3,114		2,410
Denominator for diluted earnings per share	51,000		49,207
Net income per share:
Basic	$	0.31	$	0.37
Diluted	$	0.29	$	0.35

During the three months ended March 31, 2015 and 2014, a total of 121 and 1,271 shares underlying equity-based awards, respectively, were outstanding but were not included in the computation of diluted earnings per share because the effect was anti-dilutive.

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COMMITMENTS AND CONTINGENCIES

3 Months Ended

Mar. 31, 2015

Commitments and Contingencies Disclosure [Abstract]

COMMITMENTS AND CONTINGENCIES

COMMITMENTS AND CONTINGENCIES

Construction in progress — On December 7, 2011, the Company entered into an agreement with IDEAB Project Eesti AS (“IDEAB”) for the construction of an office building within the High Technologies Park in Minsk, Belarus (the “Construction Agreement”). At the same time, the Company entered into a related investment agreement with the Minsk Executive Committee acting on behalf of the Republic of Belarus (the “Investment Agreement”) permitting the Company to use land located in the government’s High Technologies Park to construct the new office building and granting certain tax benefits. The Investment Agreement specified a completion deadline for construction of September 15, 2012 extended by the parties to December 31, 2014, and further extended to July 1, 2015. Per the Investment Agreement, if the Company does not meet the completion deadline, monthly penalties may be imposed; the recent extension of the Investment Agreement increases the monthly penalty to $20 per month for the period beginning January 1, 2015. There may be further terms and conditions imposed on the Company in a further extension of the Investment Agreement. If the Investment Agreement is terminated, the Company could be required to disgorge certain tax benefits received by the Company in connection with the project and could potentially be required to fully restore the land to its original condition. The Company has not been required to pay any penalties to date. The Company has secured the required building construction permits and is working toward completion of the building. The Company believes that the building will be completed and available for its use in 2015, and that any penalties or loss of tax benefits will not be material to the accompanying financial statements.

The Construction Agreement committed IDEAB to construct an office building for the Company in Minsk with a completion date of February 28, 2014. In April 2014 IDEAB stopped its construction before the building’s completion, for reasons unrelated to the Company’s performance under the Construction Agreement. In May 2014, IDEAB notified the Company that it was unable to continue as general contractor to complete the construction of the building in time and on the terms agreed. As a result, the Company took control over the construction site. On July 7, 2014, the Company provided IDEAB with notice of termination of the Construction Agreement, effective on or about July 11, 2014. The Company filed a legal action against IDEAB in Belarus in August 2014, claiming breach of contract. In September 2014, the court decided in the Company’s favor and directed IDEAB to pay the Company $1,000 plus reimbursement of certain expenses. The Company is pursuing recovery from IDEAB of this amount. The Company has filed other lawsuits seeking recovery from IDEAB of additional amounts (including future work and construction materials) from IDEAB. These lawsuits are in various stages of litigation and it is not possible to estimate the likelihood of recovery.

At March 31, 2015, the Company had approximately $18,700 of capitalized construction costs and estimated up to $4,549 of additional investment required to complete the construction and put the building into operation. The Company estimates that the building construction will be completed by June 30, 2015.

Based on the information known to the Company at this time, any additional liability related to this matter is not reasonably estimable.

Indemnification Obligations—In the normal course of business, the Company is a party to a variety of agreements under which it may be obligated to indemnify the other party for certain matters. These obligations typically arise in contracts where the Company customarily agrees to hold the other party harmless against losses arising from a breach of representations or covenants for certain matters such as title to assets and intellectual property rights associated with certain arrangements. The duration of these indemnifications varies, and in certain cases, is indefinite.

The Company is unable to reasonably estimate the maximum potential amount of future payments under these or similar agreements due to the unique facts and circumstances of each agreement and the fact that certain indemnifications provide for no limitation to the maximum potential future payments under the indemnification. Management is not aware of any such matters that historically had or would have a material effect on the financial statements of the Company.

Litigation — From time to time, the Company is involved in litigation, claims or other contingencies. Management is not aware of any such matters that would have a material effect on the consolidated financial statements of the Company.

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RECENT ACCOUNTING PRONOUNCEMENTS

3 Months Ended

Mar. 31, 2015

New Accounting Pronouncements and Changes in Accounting Principles [Abstract]

RECENT ACCOUNTING PRONOUNCEMENTS

RECENT ACCOUNTING PRONOUNCEMENTS

In February 2015, the Financial Accounting Standards Board (“FASB”) issued Accounting Standards Update (“ASU”) No. 2015-02, Consolidation (Topic 810): Amendments to the Consolidations Analysis, which changes the guidance for evaluating whether to consolidate certain legal entities. Specifically, the amendments modify the evaluation of whether limited partnerships and similar legal entities are variable interest entities ("VIEs") or voting interest entities. The amendment is effective for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2015. The implementation of this standard is not expected to have a material effect on the Company’s consolidated financial statements.

In November 2014, the FASB issued ASU 2014-17, Business Combinations (Topic 805): Pushdown Accounting. The update provides an acquired entity with an option to apply pushdown accounting in its separate financial statements upon occurrence of an event in which an acquirer obtains control of the acquired entity. An acquired entity may also elect the option to apply pushdown accounting in the reporting period in which the change-in-control event occurs. However, if the financial statements for the period in which the most recent change-in-control event occurred already have been issued or made available to be issued, the application of this guidance would be a change in accounting principle. The amendment is effective on November 18, 2014. The implementation of this standard does not have a material effect on the Company’s consolidated financial statements.

In November 2014, the FASB issued ASU 2014-16, Derivatives and Hedging (Topic 815): Determining Whether the Host Contract in a Hybrid Financial Instrument Issued in the Form of a Share Is More Akin to Debt or to Equity. The update aims to eliminate the use of different methods in practice and thereby reduce existing diversity under GAAP in the accounting for hybrid financial instruments issued in the form of a share. The amendments are effective for annual period and interim periods within those annual periods, beginning after December 15, 2015 with early adoption permitted. The implementation of this standard is not expected to have a material effect on the Company’s consolidated financial statements as the Company currently does not issue hybrid instruments.

In August 2014, the FASB issued ASU 2014-15, Presentation of Financial Statements-Going Concern (Subtopic 205-40): Disclosure of Uncertainties about an Entity’s Ability to Continue as a Going Concern. The amendments in this update provide guidance about management’s responsibility to evaluate whether there is substantial doubt about an entity’s ability to continue as a going concern and to provide related footnote disclosures. These amendments aim to reduce diversity in the timing and content of footnote disclosures. The amendments in this update are effective for the annual period ending after December 15, 2016, and for annual periods and interim periods thereafter, with early adoption permitted. The implementation of this standard is not expected to have a material effect on the Company’s condensed consolidated financial statements.

In June 2014, the FASB issued ASU 2014-12, which requires that a performance target that affects vesting and that could be achieved after the requisite service period be treated as a performance condition. A reporting entity should apply existing guidance in Topic 718, Compensation - Stock Compensation, as it relates to awards with performance conditions that affect vesting to account for such awards. The standard is effective for annual periods and interim periods within those annual periods beginning after December 15, 2015 with early adoption permitted. Entities may apply the amendments in this ASU either: (a) prospectively to all awards granted or modified after the effective date; or (b) retrospectively to all awards with performance targets that are outstanding as of the beginning of the earliest annual period presented in the financial statements and to all new or modified awards thereafter. The implementation of this standard is not expected to have a material effect on the Company’s condensed consolidated financial statements.

In May 2014, the FASB issued ASU 2014-09, which impacts virtually all aspects of an entity’s revenue recognition. The ASU introduces a new five-step revenue recognition model in which an entity should recognize revenue to depict the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. This ASU also requires disclosures sufficient to enable users to understand the nature, amount, timing, and uncertainty of revenue and cash flows arising from contracts with customers, including qualitative and quantitative disclosures about contracts with customers, significant judgments and changes in judgments, and assets recognized from the costs to obtain or fulfill a contract. This standard will be effective for the Company beginning in its first quarter of 2017. In April 2015, the FASB issued a tentative proposal to defer the effective date until the annual reporting periods (including interim reporting periods within those periods) beginning after December 15, 2017. The Company is currently evaluating the impact this new standard will have on its condensed consolidated financial statements.

In April 2014, the FASB issued ASU 2014-08, Reporting Discontinued Operations and Disclosures of Disposals of Components of an Entity, which changes the criteria for determining which disposals can be presented as discontinued operations and modifies the related disclosure requirements. To qualify as a discontinued operation the standard requires a disposal to represent a strategic shift that has, or will have, a major effect on an entity's operations and financial results. The standard also expands the disclosures for discontinued operations and requires new disclosures related to individually material dispositions that do not qualify as discontinued operations. The standard is effective prospectively for fiscal periods beginning after December 15, 2014, including interim periods within that reporting periods, with early adoption permitted. The implementation of this standard does not have a material impact on the Company’s condensed consolidated financial statements, but may impact the reporting of any future dispositions.

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FAIR VALUE MEASUREMENTS (Details 3) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Transfers, Net [Abstract]
Transfers Into Level 3	$ 0	$ 0
Transfers out of Level 3	$ 0	$ 0

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STOCK-BASED COMPENSATION (Tables)

3 Months Ended

Mar. 31, 2015

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Costs Related to Stock Compensation Plans

The following costs related to the Company’s stock compensation plans were included in the unaudited condensed consolidated statements of income:

	Three Months Ended   March 31,
	2015		2014
Cost of revenues	$	2,484	$	1,403
Selling, general and administrative expenses - Acquisition related	4,492		793
Selling, general and administrative expenses - All other	2,158		1,012
Total	$	9,134	$	3,208

Stock Option Activity

Stock option activity under the Company’s plans is set forth below:

	Number of Options		Weighted Average Exercise Price		Aggregate Intrinsic Value
Options outstanding at January 1, 2015	6,838,746		$	20.98	$	183,073
Options granted	2,069,300		61.38		(186		)
Options exercised	(346,499	)	12.84		(16,788		)
Options forfeited/cancelled	(33,922	)	28.22		(1,122		)
Options outstanding at March 31, 2015	8,527,625		$	31.09	$	257,534
Options vested and exercisable at March 31, 2015	3,329,962		$	15.56	$	152,279
Options expected to vest	4,741,728		$	40.53	$	98,438

Service-based Awards Activity

Summarized activity related to the Company’s service-based awards for the three months ended March 31, 2015, was as follows:

	Number of Shares		Weighted Average Grant Date Fair Value Per Share
Unvested service-based awards outstanding at January 1, 2015	633,442		$	36.88
Awards granted	48,000		61.38
Awards vested	(21,442	)	28.68
Awards forfeited/cancelled	—		—
Unvested service-based awards outstanding at March 31, 2015	660,000		$	38.93

Performance-based Awards Activity

Summarized activity related to the Company’s performance-based awards for the three months ended March 31, 2015, was as follows:

	Number of Shares		Weighted Average Grant Date Fair Value Per Share
Unvested performance-based awards outstanding at January 1, 2015	371,510		$	39.34
Awards granted	—		—
Awards vested	(8,501	)	36.57
Awards forfeited/cancelled	—		—
Changes in the number of awards expected to be delivered	(20,583	)	56.74
Unvested performance-based awards outstanding at March 31, 2015	342,426		$	37.91

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ACQUISITIONS (Details) (USD $)	3 Months Ended		0 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Mar. 05, 2014	Apr. 30, 2014	Jun. 06, 2014	Oct. 31, 2014
Business Acquisition [Line Items]
Revenues	$ 200,045,000	$ 160,384,000
Minimum
Business Acquisition [Line Items]
Estimated Future Operating Results Period, Subsequent to Acquisition Date	7 months
Maximum
Business Acquisition [Line Items]
Estimated Future Operating Results Period, Subsequent to Acquisition Date	12 months
Netsoft
Business Acquisition [Line Items]
Cash Consideration Placed In Escrow			256,000
Consideration Placed In Escrow, Period			18 months
Netsoft | IT professionals
Business Acquisition [Line Items]
Number of professionals			40
Jointech
Business Acquisition [Line Items]
Business Acquisition, Number of Former Owners				2
Consideration Placed In Escrow, Percentage				15.00%
Jointech | IT professionals
Business Acquisition [Line Items]
Number of professionals				216
GGA | IT professionals
Business Acquisition [Line Items]
Number of professionals					329
GGA | Scientists
Business Acquisition [Line Items]
Number of professionals					126
Great Fridays Limited | Designers
Business Acquisition [Line Items]
Number of professionals						50
Total
Business Acquisition [Line Items]
Revenues	12,800,000	400,000
Employment Shares | Netsoft
Business Acquisition [Line Items]
Share vesting term	3 years		3 years
Stock issued or issuable, value assigned			1,017,000
Employment Shares | Jointech
Business Acquisition [Line Items]
Share vesting term	3 years			3 years
Stock issued or issuable, value assigned				7,788,000
Consideration Placed In Escrow, Period	18 months
Employment Shares | GGA
Business Acquisition [Line Items]
Share vesting term	3 years				3 years
Stock issued or issuable, value assigned					20,655,000
Employment Shares | Great Fridays Limited
Business Acquisition [Line Items]
Share vesting term	3 years					3 years
Stock issued or issuable, value assigned						4,823,000
Employment Shares, Closing Shares | Netsoft
Business Acquisition [Line Items]
Stock issued or issuable, number of shares			2,289
Employment Shares, Closing Shares | Jointech
Business Acquisition [Line Items]
Stock issued or issuable, number of shares				89,552
Employment Shares, Closing Shares | GGA
Business Acquisition [Line Items]
Stock issued or issuable, number of shares					262,277
Consideration Placed In Escrow, Shares					102,631
Employment Shares, Closing Shares | Great Fridays Limited
Business Acquisition [Line Items]
Stock issued or issuable, number of shares						90,864
Consideration Placed In Escrow, Shares						28,390
Employment Shares, Earn-Out Shares | Netsoft
Business Acquisition [Line Items]
Stock issued or issuable, number of shares			16,349
Deferred restricted shares			9,154
Employment Shares, Earn-Out Shares | Jointech | Maximum
Business Acquisition [Line Items]
Stock issued or issuable, value assigned				$ 5,000,000
Employment Shares, Earn-Out Shares | Great Fridays Limited | Maximum
Business Acquisition [Line Items]
Stock issued or issuable, number of shares						10,092

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EARNINGS PER SHARE (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Numerator for common earnings per share:
Net income	$ 14,714	$ 17,364
Numerator for basic and diluted earnings per share	$ 14,714	$ 17,364
Denominator for basic earnings per share:
Weighted average common shares outstanding (in shares)	47,886	46,797
Effect of dilutive securities (in shares):
Stock options, RSUs and performance-based awards (in shares)	3,114	2,410
Denominator for diluted earnings per share (in shares)	51,000	49,207
Net income per share:
Basic (in dollars per share)	$ 0.31	$ 0.37
Diluted (in dollars per share)	$ 0.29	$ 0.35
Anti-dilutive options not included in the calculation (in shares)	121	1,271

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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Cash flows from operating activities:
Net income	$ 14,714	$ 17,364
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	4,200	3,689
Bad debt expense	514	368
Deferred taxes	95	97
Stock-based compensation expense	9,134	3,208
Excess tax benefit on stock-based compensation plans	(436)	(995)
Other	4,964	294
(Increase)/ decrease in operating assets:
Accounts receivable	15,262	4,908
Unbilled revenues	(32,261)	(15,611)
Prepaid expenses and other assets	48	939
Increase/ (decrease) in operating liabilities:
Accounts payable	9,669	8,563
Accrued expenses and other liabilities	(10,374)	(7,908)
Deferred revenues	(9)	265
Due to employees	3,224	4,711
Taxes payable	(11,873)	(3,704)
Net cash provided by operating activities	6,871	16,188
Cash flows from investing activities:
Purchases of property and equipment	(1,873)	(2,157)
Payment for construction of corporate facilities	(1,591)	(1,488)
Employee housing loans issued	(266)	(294)
Proceeds from repayments of employee housing loans	518	419
Increase in restricted cash and time deposits, net	(29,959)	(5,387)
Increase in other long-term assets, net	(681)	(350)
Acquisition of businesses, net of cash acquired (Note 2)	(30)	(2,419)
Net cash used in investing activities	(33,882)	(11,676)
Cash flows from financing activities:
Proceeds related to stock options exercises	3,855	2,139
Excess tax benefit on stock-based compensation plans	436	995
Acquisition of business, deferred consideration (Note 2)	(2,801)	0
Net cash provided by financing activities	1,490	3,134
Effect of exchange rate changes on cash and cash equivalents	(2,650)	(2,787)
Net increase/ (decrease) in cash and cash equivalents	(28,171)	4,859
Cash and cash equivalents, beginning of period	220,534	169,207
Cash and cash equivalents, end of period	$ 192,363	$ 174,066

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LONG-TERM DEBT

3 Months Ended

Mar. 31, 2015

Debt Disclosure [Abstract]

LONG-TERM DEBT

LONG-TERM DEBT

On September 12, 2014, the Company entered into a credit facility (the “2014 Credit Facility”) with PNC Bank, National Association; Santander Bank, N.A; and Silicon Valley Bank (collectively the “Lenders”) to replace its former revolving loan agreement. The 2014 Credit Facility provides for a borrowing capacity of $100,000, with potential to increase the credit facility up to $200,000 if certain conditions are met. The 2014 Credit Facility matures on September 12, 2019.

Borrowings under the 2014 Credit Facility may be denominated in United States Dollars or, up to a maximum of $50,000 in British Pounds Sterling, Canadian Dollars, Euros or Swiss Francs (or other currencies as may be approved by the lenders). Borrowings under the 2014 Credit Facility bear interest at either a base rate or Euro-rate plus a margin based on the Company’s leverage ratio. Base rate is equal to the highest of (a) the Federal Funds Open Rate, plus 0.5%, (b) the Prime Rate, and (c) the Daily LIBOR Rate, plus 1.0%.

The 2014 Credit Facility is collateralized with: (a) all tangible and intangible assets of the Company, and its U.S.-based subsidiaries including all accounts, general intangibles, intellectual property rights and equipment; and (b) all of the outstanding shares of capital stock and other equity interests in U.S.-based subsidiaries of the Company, and 65.0% of the outstanding shares of capital stock and other equity interests in certain of the Company’s foreign subsidiaries.

As of March 31, 2015, the Company had no outstanding debt under the 2014 Credit Facility.

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ACQUISITIONS (Details 1) (USD $)	3 Months Ended		0 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Mar. 05, 2014	Apr. 30, 2014	Jun. 06, 2014		Oct. 31, 2014
Business Acquisition [Line Items]
Cash, Net of Working Capital and Other Adjustments, Deferred	$ 2,801,000	$ 0
Netsoft
Business Acquisition [Line Items]
Cash, Net of Working Capital and Other Adjustments, Paid			2,403,000
Cash, Net of Working Capital and Other Adjustments, Deferred			1,022,000
Recorded Earnout Payable, Cash			1,825,000
Recorded Earnout Payable, Stock			0
Total Recorded Purchase Price			5,250,000
Jointech
Business Acquisition [Line Items]
Cash, Net of Working Capital and Other Adjustments, Paid				10,000,000
Cash, Net of Working Capital and Other Adjustments, Deferred				4,000,000
Recorded Earnout Payable, Cash				15,000,000
Recorded Earnout Payable, Stock				5,000,000
Total Recorded Purchase Price				36,788,000
GGA
Business Acquisition [Line Items]
Cash, Net of Working Capital and Other Adjustments, Paid					14,892,000
Cash, Net of Working Capital and Other Adjustments, Deferred					0
Recorded Earnout Payable, Cash					11,400,000	[1]
Recorded Earnout Payable, Stock					0	[1]
Total Recorded Purchase Price					26,292,000
Great Fridays Limited
Business Acquisition [Line Items]
Cash, Net of Working Capital and Other Adjustments, Paid							10,777,000
Cash, Net of Working Capital and Other Adjustments, Deferred							0
Recorded Earnout Payable, Cash							1,173,000
Recorded Earnout Payable, Stock							0
Total Recorded Purchase Price							11,950,000
Total
Business Acquisition [Line Items]
Cash, Net of Working Capital and Other Adjustments, Paid	38,072,000
Cash, Net of Working Capital and Other Adjustments, Deferred	5,022,000
Recorded Earnout Payable, Cash	29,398,000
Recorded Earnout Payable, Stock	5,000,000
Total Recorded Purchase Price	80,280,000
Common Stock | Netsoft
Business Acquisition [Line Items]
Stock issued, number of shares			0
Stock deferred, number of shares			0
Fair value of stock issued			0
Fair value of deferred stock			0
Common Stock | Jointech
Business Acquisition [Line Items]
Stock issued, number of shares				0
Stock deferred, number of shares				89,552
Fair value of stock issued				0
Fair value of deferred stock				2,788,000
Common Stock | GGA
Business Acquisition [Line Items]
Stock issued, number of shares					0
Stock deferred, number of shares					0
Fair value of stock issued					0
Fair value of deferred stock					0
Common Stock | Great Fridays Limited
Business Acquisition [Line Items]
Stock issued, number of shares							0
Stock deferred, number of shares							0
Fair value of stock issued							0
Fair value of deferred stock							0
Common Stock | Total
Business Acquisition [Line Items]
Stock issued, number of shares	0
Stock deferred, number of shares	89,552
Fair value of stock issued	0
Fair value of deferred stock	2,788,000
Maximum | Netsoft
Business Acquisition [Line Items]
Maximum Potential Earnout Payable			1,825,000
Maximum | Jointech
Business Acquisition [Line Items]
Maximum Potential Earnout Payable				20,000,000
Maximum | Great Fridays Limited
Business Acquisition [Line Items]
Maximum Potential Earnout Payable							$ 1,173,000

[1] (1)The amount of the maximum potential earnout payable to GGA, if any, is not limited based on the terms of the purchase agreement.

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STOCK-BASED COMPENSATION, Stock-Based Compensation - Additional Information (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended	0 Months Ended
	Mar. 31, 2015	Jan. 11, 2012	Dec. 31, 2014
Compensation Related Costs Share Based Payments Disclosure [Line Items]
Options granted	2,069,300
Underlying options, in shares	30,246
Stock Options
Compensation Related Costs Share Based Payments Disclosure [Line Items]
Unrecognized compensation cost, net of forfeitures	81,547
Weighted average remaining contractual term, exercisable	6 years 1 month 17 days
Weighted average remaining contractual term, outstanding	9 years
Total unrecognized compensation cost related to non-vested share-based compensation awards granted, period for recognition	2 years 5 months 5 days
Restricted Stock
Compensation Related Costs Share Based Payments Disclosure [Line Items]
Stock options issued (in shares)	48,000
Underlying service-based awards, unvested and outstanding (in shares)	660,000		633,442
Service-Based Awards
Compensation Related Costs Share Based Payments Disclosure [Line Items]
Total unrecognized compensation cost related to non-vested share-based compensation awards granted	15,748
Total unrecognized compensation cost related to non-vested share-based compensation awards granted, period for recognition	1 year 9 months 21 days
Underlying service-based awards, unvested and outstanding (in shares)	544,692
Underlying options, value at grant date	25,176
Performance-Based Awards
Compensation Related Costs Share Based Payments Disclosure [Line Items]
Total unrecognized compensation cost related to non-vested share-based compensation awards granted	14,898
Total unrecognized compensation cost related to non-vested share-based compensation awards granted, period for recognition	1 year 10 months 2 days
Stock options issued (in shares)	0
Underlying service-based awards, unvested and outstanding (in shares)	342,426		371,510
2012 Directors Plan
Compensation Related Costs Share Based Payments Disclosure [Line Items]
Shares authorized to be reserved for issuance (in shares)		600,000
2012 Directors Plan expiration period		10 years
Common stock shares available for issuance (in shares)	559,365
2012 Directors Plan | Restricted Stock
Compensation Related Costs Share Based Payments Disclosure [Line Items]
Non-vested common stock shares issued (in shares)	0
Total unrecognized compensation cost related to non-vested share-based compensation awards granted	205
Total unrecognized compensation cost related to non-vested share-based compensation awards granted, period for recognition	1 year 9 months
2012 Plan
Compensation Related Costs Share Based Payments Disclosure [Line Items]
Common stock shares available for issuance (in shares)	2,702,383
2012 Plan | Stock Options
Compensation Related Costs Share Based Payments Disclosure [Line Items]
Options granted	2,069,300
Aggregate grant-date fair value of stock options	43,992
2012 Plan | Restricted Stock Units (RSUs)
Compensation Related Costs Share Based Payments Disclosure [Line Items]
Total unrecognized compensation cost related to non-vested share-based compensation awards granted	4,450
Total unrecognized compensation cost related to non-vested share-based compensation awards granted, period for recognition	2 years 7 months
Deferred compensation, shares issued	48,000
Deferred compensation arrangement, fair value of shares issued	2,946
Vesting percentage	25.00%
2006 Plan
Compensation Related Costs Share Based Payments Disclosure [Line Items]
Common stock shares subject to outstanding awards that expire or terminate that are available for awards to be granted (in shares)	1,542,847
2006 Plan | Stock Options
Compensation Related Costs Share Based Payments Disclosure [Line Items]
Options issued expiration period	10 years

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FAIR VALUE MEASUREMENTS (Tables)

3 Months Ended

Mar. 31, 2015

Fair Value Disclosures [Abstract]

Liabilities Measured at Fair Value on Recurring Basis

The following tables show the fair values of the Company’s financial liabilities measured at fair value on a recurring basis as of March 31, 2015 and December 31, 2014:

	March 31, 2015				December 31, 2014
	Balance		Level 3		Balance		Level 3
Contingent consideration	$	35,348	$	35,348	$	37,400	$	37,400
Performance-based equity awards	5,446		5,446		3,223		3,223
Total liabilities measured at fair value on a recurring basis	$	40,794	$	40,794	$	40,623	$	40,623

Reconciliation of Liabilities Measured on Recurring Basis, Unobservable Input

A reconciliation of the beginning and ending balances of acquisition-related contractual contingent liabilities using significant unobservable inputs (Level 3) for the three months ended March 31, 2015, was as follows:

	Amount
Contractual contingent liabilities at January 1, 2015	$	40,623
Liability-classified stock-based awards	1,347
Changes in fair value of contractual contingent liabilities included in earnings	875
Changes in fair value of contractual contingent liabilities recorded against goodwill	—
Effect of net foreign currency exchange rate changes	(226		)
Settlements of contractual contingent liabilities	(1,825		)
Contractual contingent liabilities at March 31, 2015	$	40,794