10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-Q

(Mark One)

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

For the quarterly period ended March 31, 2024

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 001-34481

Mistras Group, Inc.

(Exact name of registrant as specified in its charter)

 

Delaware		22-3341267
(State or other jurisdiction of incorporation or organization)		(I.R.S. Employer Identification No.)
195 Clarksville Road
Princeton Junction,	New Jersey	08550
(Address of principal executive offices)		(Zip Code)

(609) 716-4000

(Registrant’s telephone number, including area code)

Securities registered pursuant to Section 12(b) of the Act:

Title of each class	Trading Symbol(s)	Name of each exchange on which registered
Common Stock, $0.01 par value	MG	New York Stock Exchange

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.

ý Yes  o No

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted 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 such files).

ý Yes  o No

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer”, “smaller

reporting company” and “emerging growth company” in Rule 12b-2 of the Exchange Act.

Large accelerated filer	o	Accelerated filer	x
Non-accelerated filer	o	Smaller reporting company	☐
		Emerging Growth Company	☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. o

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).

☐ Yes  ý No

As of May 1, 2024, the registrant had 30,966,973 shares of common stock outstanding.

TABLE OF CONTENTS

 

			PAGE
PART I—FINANCIAL INFORMATION
	ITEM 1.	Financial Statements	1
		Unaudited Condensed Consolidated Balance Sheets as of March 31, 2024 and December 31, 2023	1
		Unaudited Condensed Consolidated Statements of Income (Loss) for the three months ended March 31, 2024 and March 31, 2023	2
		Unaudited Condensed Consolidated Statements of Comprehensive Loss for the three months ended March 31, 2024 and March 31, 2023	3
		Unaudited Condensed Consolidated Statements of Equity for the three months ended March 31, 2024 and March 31, 2023	4
		Unaudited Condensed Consolidated Statements of Cash Flows for the three months ended March 31, 2024 and March 31, 2023	5
		Notes to Unaudited Condensed Consolidated Financial Statements	6
	ITEM 2.	Management’s Discussion and Analysis of Financial Condition and Results of Operations	24
	ITEM 3.	Quantitative and Qualitative Disclosures about Market Risk	33
	ITEM 4	Controls and Procedures	33
PART II—OTHER INFORMATION
	ITEM 1.	Legal Proceedings	34
	ITEM 1.A.	Risk Factors	34
	ITEM 2.	Unregistered Sales of Equity Securities and Use of Proceeds	34
	ITEM 3.	Defaults Upon Senior Securities	34
	ITEM 4.	Mine Safety Disclosures	34
	ITEM 5.	Other Information	34
	ITEM 6.	Exhibits	35
SIGNATURES			36

i

PART I—FINANCIAL INFORMATION

ITEM 1.    Financial Statements

Mistras Group, Inc. and Subsidiaries

Unaudited Condensed Consolidated Balance Sheets

(in thousands, except share and per share data)

	March 31, 2024		December 31, 2023
ASSETS	(unaudited)
Current Assets
Cash and cash equivalents	$	16,855	$	17,646
Accounts receivable, net	140,404		132,847
Inventories	15,079		15,283
Prepaid expenses and other current assets	14,632		14,580
Total current assets	186,970		180,356
Property, plant and equipment, net	79,702		80,972
Intangible assets, net	42,660		43,994
Goodwill	185,726		187,354
Deferred income taxes	2,647		2,316
Other assets	44,422		39,784
Total assets	$	542,127	$	534,776
LIABILITIES AND EQUITY
Current Liabilities
Accounts payable	$	15,629	$	17,032
Accrued expenses and other current liabilities	84,475		84,331
Current portion of long-term debt	9,464		8,900
Current portion of finance lease obligations	4,907		5,159
Income taxes payable	406		1,101
Total current liabilities	114,881		116,523
Long-term debt, net of current portion	188,962		181,499
Obligations under finance leases, net of current portion	11,151		11,261
Deferred income taxes	2,685		2,552
Other long-term liabilities	36,983		32,438
Total liabilities	354,662		344,273
Commitments and contingencies (Note 14)
Equity
Preferred stock, 10,000,000 shares authorized	—		—
Common stock, $0.01 par value, 200,000,000 shares authorized, 30,910,552 and 30,597,633 shares issued and outstanding	328		305
Additional paid-in capital	247,329		247,165
Accumulated deficit	(27,947)		(28,942)
Accumulated other comprehensive loss	(32,565)		(28,336)
Total Mistras Group, Inc. stockholders’ equity	187,145		190,192
Non-controlling interests	320		311
Total equity	187,465		190,503
Total liabilities and equity	$	542,127	$	534,776

The accompanying notes are an integral part of these Unaudited Condensed Consolidated Financial Statements.

1

Mistras Group, Inc. and Subsidiaries

Unaudited Condensed Consolidated Statements of Income (Loss)

(in thousands, except per share data)

	Three months ended March 31,
	2024		2023
Revenue	$	184,442	$	168,016
Cost of revenue	127,418		116,051
Depreciation	5,934		5,888
Gross profit	51,090		46,077
Selling, general and administrative expenses	41,189		42,823
Reorganization and other costs	1,557		2,076
Research and engineering	343		480
Depreciation and amortization	2,447		2,525
Acquisition-related expense, net	1		3
Income (loss) from operations	5,553		(1,830)
Interest expense	4,430		4,068
Income (loss) before provision (benefit) for income taxes	1,123		(5,898)
Provision (benefit) for income taxes	119		(920)
Net income (loss)	1,004		(4,978)
Less: net income attributable to noncontrolling interests, net of taxes	9		8
Net income (loss) attributable to Mistras Group, Inc.	$	995	$	(4,986)
Earnings (loss) per common share
Basic	$	0.03	$	(0.17)
Diluted	$	0.03	$	(0.17)
Weighted-average common shares outstanding:
Basic	30,680		30,021
Diluted	31,356		30,021

The accompanying notes are an integral part of these Unaudited Condensed Consolidated Financial Statements.

2

Mistras Group, Inc. and Subsidiaries

Unaudited Condensed Consolidated Statements of Comprehensive Loss

(in thousands)

 

	Three months ended March 31,
	2024		2023
Net income (loss)	$	1,004	$	(4,978)
Other comprehensive loss:
Foreign currency translation adjustments	$	(4,229)	$	1,273
Comprehensive Loss	(3,225)		(3,705)
Less: net income attributable to noncontrolling interest	9		8
Comprehensive loss attributable to Mistras Group, Inc.	$	(3,234)	$	(3,713)

The accompanying notes are an integral part of these Unaudited Condensed Consolidated Financial Statements.

3

Mistras Group, Inc. and Subsidiaries

Unaudited Condensed Consolidated Statements of Equity

(in thousands)

	Three months ended
	Common Stock			Additional paid-in capital		Accumulated deficit		Accumulated other comprehensive loss		Total Mistras Group, Inc. Stockholders’ Equity		Noncontrolling Interest
	Shares	Amount												Total Equity
Balance at December 31, 2023	30,598	$	305	$	247,165	$	(28,942)	$	(28,336)	$	190,192	$	311	$	190,503
Net income	—	—		—		995				995		9		1,004
Other comprehensive loss, net of tax	—	—		—		—		(4,229)		(4,229)		—		(4,229)
Share-based payments	—	—		1,228		—		—		1,228		—		1,228
Net settlement of restricted stock units	313	23		(1,064)		—		—		(1,041)		—		(1,041)
Balance at March 31, 2024	30,911	$	328	$	247,329	$	(27,947)	$	(32,565)	$	187,145	$	320	$	187,465
Balance at December 31, 2022	29,895	$	298	$	243,031	$	(11,489)	$	(33,390)	$	198,450	$	299	$	198,749
Net loss	—	—		—		(4,986)		—		(4,986)		8		(4,978)
Other comprehensive income, net of tax	—	—		—		—		1,273		1,273		—		1,273
Share-based payments	—	—		1,877		—		—		1,877		—		1,877
Net settlement of restricted stock units	335	4		(777)		—		—		(773)		—		(773)
Balance at March 31, 2023	30,230	$	302	$	244,131	$	(16,475)	$	(32,117)	$	195,841	$	307	$	196,148

The accompanying notes are an integral part of these Unaudited Condensed Consolidated Financial Statements.

4

Mistras Group, Inc. and Subsidiaries

Unaudited Condensed Consolidated Statements of Cash Flows

(In Thousands)

	Three months ended March 31,
	2024		2023
Cash flows from operating activities
Net income (loss)	$	1,004	$	(4,978)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities
Depreciation and amortization	8,381		8,413
Deferred income taxes	(144)		1,801
Share-based compensation expense	1,228		1,877
Bad debt provision for troubled customers, net of recoveries	227		(30)
Foreign currency (gain) loss	(561)		219
Other	15		(315)
Changes in operating assets and liabilities, net of effect of acquisitions and dispositions
Accounts receivable	(8,696)		3,777
Inventories	(23)		(1,137)
Prepaid expenses and other assets	(6,593)		(4,234)
Accounts payable	(1,219)		992
Accrued expenses and other liabilities	6,905		(766)
Income taxes payable	80		(248)
Payment of contingent consideration liability in excess of acquisition-date fair value	—		(938)
Net cash provided by operating activities	604		4,433
Cash flows from investing activities
Purchase of property, plant and equipment	(4,804)		(4,332)
Purchase of intangible assets	(1,117)		(361)
Proceeds from sale of equipment	273		233
Net cash used in investing activities	(5,648)		(4,460)
Cash flows from financing activities
Repayment of finance lease obligations	(1,409)		(1,174)
Repayment of long-term debt	(1,907)		(1,904)
Proceeds from revolver	15,000		27,000
Repayment of revolver	(5,000)		(27,100)
Taxes paid related to net share settlement of share-based awards	(1,557)		(773)
Net cash provided by (used in) financing activities	5,127		(3,951)
Effect of exchange rate changes on cash and cash equivalents	(874)		207
Net change in cash and cash equivalents	(791)		(3,771)
Cash and cash equivalents at beginning of period	17,646		20,488
Cash and cash equivalents at end of period	$	16,855	$	16,717
Supplemental disclosure of cash paid
Interest, net	$	4,029	$	5,112
Income taxes, net of refunds	$	756	$	1,949
Noncash investing and financing
Equipment acquired through finance lease obligations	$	1,165	$	2,800

.

The accompanying notes are an integral part of these Unaudited Condensed Consolidated Financial Statements.

5

Mistras Group, Inc. and Subsidiaries

Notes to Unaudited Condensed Consolidated Financial Statements

(tabular dollars and shares in thousands, except per share data)

1.    Description of Business and Basis of Presentation

Description of Business

Mistras Group, Inc., together with its subsidiaries (the "Company") is a leading "one source" multinational provider of integrated technology-enabled asset protection solutions, helping to maximize the safety and operational uptime for civilization’s most critical industrial and civil assets.

Backed by an innovative, data-driven asset protection portfolio, proprietary technologies, and decades-long legacy of industry leadership, the Company helps clients with asset-intensive infrastructure in the oil and gas, aerospace and defense, industrials, power generation and transmission (including alternative and renewable energy), other process industries and infrastructure, research and engineering and other industries towards achieving and maintaining operational excellence. By supporting these organizations that help fuel our vehicles and power our society; inspecting components that are trusted for commercial, defense, and space craft; and building real-time monitoring systems to help avoid catastrophic incidents, the Company helps the world at large.

The Company enhances value for its clients by integrating asset protection throughout supply chains and centralizing integrity data through a suite of Industrial Internet of Things ("IoT")-connected digital software and monitoring solutions, including OneSuite™, which serves as an ecosystem platform, pulling together all of the Company’s software and data services capabilities, for the benefit of its customers.

The Company’s core capabilities also include non-destructive testing (“NDT”) field inspections enhanced by advanced robotics, laboratory quality control, laboratory materials services, shop laboratory assurance testing, sensing technologies and NDT equipment, asset and mechanical integrity engineering services, and light mechanical maintenance and access services.

The Company has three operating segments. Our segments are as follows:

•North America. This segment provides asset protection solutions predominantly in North America, with the largest concentration in the United States, followed by Canada, consisting primarily of NDT, inspection, mechanical and engineering services that are used to evaluate the safety, structural integrity and reliability of critical energy, industrial and public infrastructure and commercial aerospace components. Software, digital and data services are included in this segment.

•International. This segment offers services, products and systems similar to those of the other segments to select markets within Europe, the Middle East, Africa, Asia and South America, but not to customers in China and South Korea, which are served by the Products and Systems segment.

•Products and Systems. This segment designs, manufactures, sells, installs and services the Company’s asset protection products and systems, including equipment and instrumentation, predominantly in the United States.

Recent Developments

Overall, the Company has taken actions to help ensure the health and safety of Company employees and those of its customers and suppliers; maintain business continuity and financial strength and stability; and serve customers as they provide essential products and services to the world.

The Russian-Ukrainian war and the conflict in the Middle East between Israel and Hamas continues to create disruptions in the oil and gas market and the supply chain in general, which is resulting in some disruption to our business operations. The Company’s European operations are currently experiencing increased costs associated with higher energy costs, among others, due in part to the Russian-Ukrainian war.

The Company is currently unable to predict with certainty the overall impact that the factors discussed above and the effect of inflationary pressures may have on its business, results of operations or liquidity or in other ways which the Company cannot yet determine. The Company will continue to monitor market conditions and respond accordingly.

6

Mistras Group, Inc. and Subsidiaries

Notes to Unaudited Condensed Consolidated Financial Statements

(tabular dollars and shares in thousands, except per share data)

Basis of Presentation

The Unaudited Condensed Consolidated Financial Statements contained in this report have been prepared in conformity with U.S. generally accepted accounting principles ("GAAP") and Securities and Exchange Commission ("SEC") guidance allowing for reduced disclosure for interim periods. In the opinion of management, the Unaudited Condensed Consolidated Financial Statements include all adjustments, which are of a normal recurring nature, necessary for a fair presentation of the results for the interim periods of the years ending December 31, 2024 and December 31, 2023.

Certain items included in these statements are based on management’s estimates. Actual results may differ from those estimates. The results of operations for any interim period are not necessarily indicative of the results expected for the year. The accompanying Unaudited Condensed Consolidated Financial Statements should be read in conjunction with the notes to the Audited Consolidated Financial Statements contained in the Company's 2023 Annual Report on Form 10-K ("2023 Annual Report").

Principles of Consolidation

The accompanying Unaudited Condensed Consolidated Financial Statements include the accounts of Mistras Group, Inc. as well as its wholly-owned subsidiaries, majority-owned subsidiaries and consolidated variable interest entities (VIE). For subsidiaries in which the Company’s ownership interest is less than 100%, the non-controlling interests are reported in stockholders’ equity in the accompanying Condensed Consolidated Balance Sheets. The non-controlling interests in net results, net of tax, is classified separately in the accompanying Unaudited Condensed Consolidated Statements of Income (Loss). All significant intercompany accounts and transactions have been eliminated in consolidation. The results of operations of companies acquired are included from the date of acquisition.

Reclassification

Certain amounts in prior periods have been reclassified to conform to the current year presentation. Such reclassifications did not have a material effect on the Company's financial condition or results of operations as previously reported.

Significant Accounting Policies

The Company’s significant accounting policies are disclosed in Note 1–Summary of Significant Accounting Policies and Practices in the 2023 Annual Report. On an ongoing basis, the Company evaluates its estimates and assumptions, including among other things, those related to revenue recognition, long-lived assets, goodwill and acquisitions. Since the date of the 2023 Annual Report, there have been no material changes to the Company's significant accounting policies.

Income Taxes

Income taxes are accounted for under the asset and liability method. We recognize deferred tax assets and liabilities at enacted income tax rates for the temporary differences between the financial reporting bases and the tax bases of our assets and liabilities. Any effects of changes in income tax rates or tax laws are included in the provision for income taxes in the period of enactment. Our net deferred tax assets primarily consist of net operating loss carry forwards, or NOLs. A valuation allowance is provided if it is more likely than not that some or all or all of a deferred income tax asset will not be realized. A current tax liability or asset is recognized for the estimated taxes payable or refundable on tax returns for the current and prior years.

As of March 31, 2024, management concluded that it is more likely than not that a substantial portion of the Company's deferred tax assets will be realized.

We recognize the tax benefit from an uncertain tax position only if it is more likely than not that the tax position will be sustained on examination by the taxing authorities, based on the technical merits of the position. The tax benefits recognized in the financial statements from such a position are measured based on the largest benefit that has a greater than 50% likelihood of being realized upon ultimate resolution.

The Company’s effective income tax rate was approximately 10.6% and 15.6% for the three months ended March 31, 2024 and 2023, respectively. The effective income tax rate benefit for the three months ended March 31, 2024 was lower than the statutory rate primarily due to the impact of a favorable discrete item related to stock compensation.

7

Mistras Group, Inc. and Subsidiaries

Notes to Unaudited Condensed Consolidated Financial Statements

(tabular dollars and shares in thousands, except per share data)

Recent Accounting Pronouncements

In November 2023, the Financial Accounting Standards Board ("FASB") issued ASU 2023-07, Segment Reporting (Topic 280) to expand the disclosures about a public entity's reportable segments and address requests from investors for additional, more detailed information about a reportable segment's expenses. The new standard is effective for fiscal years beginning after December 15, 2023, and interim periods within fiscal years beginning after December 15, 2024. We are currently evaluating the impact of ASU 2023-07 on our financial statements.

In December 2023, the FASB issued ASU 2023-09, Income Taxes (Topic 740) to enhance the transparency and decision usefulness of income tax disclosures, primarily related to the rate reconciliation and income taxes paid disclosures. The new standard is effective for fiscal years beginning after December 15, 2024. We are currently evaluating the impact of ASU 2023-09 on our financial statements.

8

Mistras Group, Inc. and Subsidiaries

Notes to Unaudited Condensed Consolidated Financial Statements

(tabular dollars and shares in thousands, except per share data)

2.    Revenue

The Company derives the majority of its revenue by providing services on a time and material basis, and are short-term in nature. The Company accounts for revenue in accordance with ASC Topic 606, Revenue from Contracts with Customers.

Performance Obligations

The Company provides highly integrated and bundled inspection services to its customers. The majority of the Company's contracts have a single performance obligation as the promise to transfer the individual goods or services is not separately identifiable from other promises in the contracts and is, therefore, not distinct. For contracts with multiple performance obligations, the Company allocates the contract’s transaction price to each performance obligation using the Company's best estimate of the standalone selling price of each distinct good or service in the contract. The primary method used to estimate standalone selling price is a relative selling price based on price lists.

Contract modifications are not routine in the performance of the Company's contracts. Generally, when contracts are modified, the modification is to account for changes in scope to the goods and services that are provided. In most instances, contract modifications are for goods or services that are distinct, and, therefore, are accounted for as a separate contract.

The Company's performance obligations are satisfied over time as work progresses or at a point in time. The majority of the Company's revenue is recognized over time as work progresses for the Company's service deliverables, which includes providing testing, inspection and mechanical services to our customers. Revenue is recognized over time, based on time and material incurred to date which best portrays the transfer of control to the customer. The Company also utilizes an available practical expedient that provides for revenue to be recognized in an amount that corresponds directly with the value to the customer of the entity’s performance completed to date. Fixed fee arrangements are determined based on expected labor, material, and overhead to be consumed on fulfillment of such services. For these arrangements, revenue is recognized on a cost-to-cost method tracked on an input basis.

The majority of our revenue recognized at a point in time is related to product sales when the customer obtains control of the asset, which is generally upon shipment to the customer. Contract costs include labor, material and overhead.

The Company expects any significant remaining performance obligations to be satisfied within one year.

Contract Estimates

The majority of the Company's revenues are short-term in nature. The Company enters into master service agreements ("MSA"s) with customers that specify an overall framework and contract terms. The actual contracting to provide services or furnish products are triggered by a work order, purchase order, or some similar document issued pursuant to a MSA which sets forth the scope of services and/or identifies the products to be provided. From time-to-time, the Company may enter into longer-term contracts, which can range from several months to several years. Revenue on certain contracts is recognized as work is performed based on total costs incurred to date in relation to the total estimated costs for the performance of the contract at completion. This includes contract estimates of costs to be incurred for the performance of the contract. Cost estimation is based upon the professional knowledge and experience of the Company's project managers, engineers and financial professionals. Factors that are considered in estimating the work to be completed include the availability of materials, the effect of any delays in the Company's project performance and the recoverability of any claims. Whenever revisions of estimates, contract costs and/or contract values indicate that the contract costs will exceed estimated revenues, thus creating a loss, a provision for the total estimated loss is recorded in that period.

9

Mistras Group, Inc. and Subsidiaries

Notes to Unaudited Condensed Consolidated Financial Statements

(tabular dollars and shares in thousands, except per share data)

Revenue by Category

The following series of tables present the Company's disaggregated revenue:

Revenue by industry was as follows:

Three Months Ended March 31, 2024	North America		International		Products & Systems		Corp/Elim		Total
Oil & Gas	$	103,027	$	10,066	$	72	$	—	$	113,165
Aerospace & Defense	15,375		6,732		11		—		22,118
Industrials	8,909		5,853		437		—		15,199
Power generation & Transmission	3,592		1,682		578		—		5,852
Other Process Industries	7,928		3,933		39		—		11,900
Infrastructure, Research & Engineering	3,972		2,205		409		—		6,586
Petrochemical	3,813		531		—		—		4,344
Other	3,733		2,045		1,664		(2,164)		5,278
Total	$	150,349	$	33,047	$	3,210	$	(2,164)	$	184,442

Three Months Ended March 31, 2023	North America		International		Products & Systems		Corp/Elim		Total
Oil & Gas	$	89,773	$	8,855	$	37	$	—	$	98,665
Aerospace & Defense	13,611		4,980		11		—		18,602
Industrials	9,302		6,053		558		—		15,913
Power generation & Transmission	4,987		1,657		1,326		—		7,970
Other Process Industries	9,109		3,237		27		—		12,373
Infrastructure, Research & Engineering	2,483		2,136		1,142		—		5,761
Petrochemical	5,137		145		—		—		5,282
Other	2,530		2,344		638		(2,062)		3,450
Total	$	136,932	$	29,407	$	3,739	$	(2,062)	$	168,016

Revenue per key geographic location was as follows:

Three Months Ended March 31, 2024	North America		International		Products & Systems		Corp/Elim		Total
United States	$	129,458	$	296	$	1,600	$	(1,515)	$	129,839
Other Americas	17,127		2,295		177		(238)		19,361
Europe	1,153		28,663		651		(346)		30,121
Asia-Pacific	2,611		1,793		782		(65)		5,121
Total	$	150,349	$	33,047	$	3,210	$	(2,164)	$	184,442

Three Months Ended March 31, 2023	North America		International		Products & Systems		Corp/Elim		Total
United States	$	120,600	$	309	$	1,801	$	(598)	$	122,112
Other Americas	14,270		3,489		326		(432)		17,653
Europe	1,412		24,183		261		(826)		25,030
Asia-Pacific	650		1,426		1,351		(206)		3,221
Total	$	136,932	$	29,407	$	3,739	$	(2,062)	$	168,016

10

Mistras Group, Inc. and Subsidiaries

Notes to Unaudited Condensed Consolidated Financial Statements

(tabular dollars and shares in thousands, except per share data)

Contract Balances

The timing of revenue recognition, billings and cash collections results in billed accounts receivable, unbilled receivables (contract assets), and customer advances and deposits (contract liabilities) on the Consolidated Balance Sheets. Amounts are generally billed as work progresses in accordance with agreed-upon contractual terms, generally at periodic intervals (e.g., weekly, bi-weekly or monthly). Generally, billing occurs subsequent to revenue recognition, resulting in contract assets. However, the Company sometimes receives advances or deposits from its customers before revenue is recognized, resulting in contract liabilities. These assets and liabilities are aggregated on an individual contract basis and reported on the Consolidated Balance Sheets at the end of each reporting period within accounts receivable, net or accrued expenses and other current liabilities.

Revenue recognized during the three months ended March 31, 2024 and 2023 that was included in the contract liability balance at the beginning of such year was $2.9 million and $3.1 million for each period. Changes in the contract asset and liability balances during these periods were not materially impacted by any other factors. The Company applies a practical expedient to expense incremental costs incurred related to obtaining a contract. The Company applies the practical expedient to expense incremental costs incurred related to obtaining a contract when the amortization period of the asset that the Company otherwise would have recognized is one year or less.

11

Mistras Group, Inc. and Subsidiaries

Notes to Unaudited Condensed Consolidated Financial Statements

(tabular dollars and shares in thousands, except per share data)

3.    Share-Based Compensation

The Company grants share-based incentive awards to its eligible employees and non-employee directors under its 2016 Long-Term Incentive Plan (the "2016 Plan"). Awards granted under the 2016 Plan may be in the form of stock options, restricted stock units and other forms of share-based incentives, including performance-based restricted stock units, stock appreciation rights and deferred stock rights. At the annual shareholders meeting on May 23, 2022, the Company’s shareholders approved an amendment to increase the total number of shares that may be issued under the 2016 Plan by 1.2 million, for a total of 4.9 million shares that are authorized for issuance under the 2016 Plan, of which approximately 450,000 shares were available for future grants as of March 31, 2024.

Stock Options

On October 11, 2023, Mr. Stamatakis was granted an award of stock options to purchase 250,000 shares of common stock of the Company, with an exercise price of $5.36, the closing price of the Company's common stock as quoted on the New York Stock Exchange on the grant date (the "Options"). The Options were granted as an inducement for Mr. Stamatakis to accept the position of Interim President and CEO of the Company and were therefore granted outside the 2016 Plan, as permitted by the rules of the NYSE. The Options can be exercised any time after the grant date until its expiration date, which is the earlier of 10 years from the grant date or one year following the date Mr. Stamatakis is no longer serving as an officer, director or in any other capacity of the Company.

The following table sets forth a summary of the stock option activity, weighted-average exercise prices and options outstanding as of March 31, 2024 as follows (in thousands, except per share amounts and years):

	Three months ended March 31,
	2024			2023
	Common Stock Options	Weighted Average Exercise Price		Common Stock Options	Weighted Average Exercise Price
Outstanding at beginning of year:	250	$	5.36	—	$	—
Granted	—	$	—	—	$	—
Exercised	—	$	—	—	$	—
Expired or forfeited	—	$	—	—	$	—
Outstanding at end of year:	250	$	5.36	—	$	—

The Company recognized all share-based compensation expense related to the stock options granted in the fourth quarter of 2023 and no further unrecognized share-based compensation expense remains as of March 31, 2024.

Stock Issuances to Non-Employee Directors

As part of its compensation program for non-employee directors, the Company makes semi-annual issuances of fully-vested common stock to its non-employee directors. A summary of the fully-vested common stock the Company issued to its non-employee directors, in connection with its non-employee director compensation, is as follows (in thousands):

	Three months ended March 31,
	2024		2023
Awards issued	31		48
Grant date fair value of awards issued	$	274	$	275

12

Mistras Group, Inc. and Subsidiaries

Notes to Unaudited Condensed Consolidated Financial Statements

(tabular dollars and shares in thousands, except per share data)

Restricted Stock Unit Awards

For the three months ended March 31, 2024 and March 31, 2023, the Company recognized share-based compensation expense related to restricted stock unit awards of $1.0 million and $0.9 million, respectively. As of March 31, 2024, there was $11.2 million of unrecognized compensation costs, net of estimated forfeitures, related to restricted stock unit awards, which is expected to be recognized over a remaining weighted-average period of 3.0 years. Upon vesting, restricted stock units are generally net share-settled to cover the required withholding tax and the remaining amount is converted into an equivalent number of shares of common stock.

A summary of the vesting activity of restricted stock unit awards, with the respective fair value of the awards, is as follows:

	Three months ended March 31,
	2024		2023
Restricted stock awards vested	364		338
Fair value of awards vested	$	3,261	$	1,946

A summary of the Company's outstanding, non-vested restricted share units is as follows:

	Three months ended March 31,
	2024			2023
	Units	Weighted Average Grant-Date Fair Value		Units	Weighted Average Grant-Date Fair Value
Outstanding at beginning of period:	1,184	$	8.07	1,415	$	6.66
Granted	598	$	8.52	542	$	8.50
Released	(364)	$	8.95	(338)	$	5.76
Forfeited	(10)	$	8.37	(22)	$	7.82
Outstanding at end of period:	1,408	$	8.04	1,597	$	7.44

Performance Restricted Stock Units

The Company maintains Performance Restricted Stock Units (PRSUs) that have been granted to select executives and senior officers whose ultimate payout may vary between zero and 200% of the target award, based on the Company’s performance over a one-year period based on specific metrics approved by the Compensation Committee of the Board of Directors of the Company.

For 2023, the Compensation Committee utilized the following metrics for the Company's PRSUs awarded to its executive officers, and approved the new target awards for 2023. The three metrics are:

1.Free Cash Flow net cash provided by operating activities less purchases of property, plant, equipment and intangible assets and is subject to adjustments approved by the Compensation Committee.

2.Adjusted EBITDA defined as net income attributable to the Company plus: interest expense, provision for income taxes, depreciation and amortization, share-based compensation expense and certain acquisition related costs (including transaction due diligence costs and adjustments to the fair value of contingent consideration), foreign exchange (gain) loss and, if applicable, certain special items which are noted.

3.Revenue

For PRSUs awarded in 2024, the Compensation Committee utilized the same metrics as 2023 PRSUs, but with revised performance goals.

PRSUs are equity-classified and compensation costs related to PRSUs with performance conditions are initially measured using the fair value of the underlying stock at the date of grant. Compensation costs related to the PRSUs with performance conditions are subsequently adjusted for changes in the expected outcomes of the performance conditions. Compensation cost related to the PRSUs with a market condition is not reversed if the market condition is not achieved, provided the employee requisite service has been rendered. PRSUs generally vest ratably on each of the first four anniversary dates upon completion of the performance period, for a total requisite service period of up to five years, and have no dividend rights.

13

Mistras Group, Inc. and Subsidiaries

Notes to Unaudited Condensed Consolidated Financial Statements

(tabular dollars and shares in thousands, except per share data)

A summary of the Company's PRSU activity is as follows:

	Three months ended March 31,
	2024			2023
	Units	Weighted Average Grant-Date Fair Value		Units	Weighted Average Grant-Date Fair Value
Outstanding at beginning of period:	60	$	9.33	280	$	9.96
Granted	249	$	8.76	282	$	8.50
Performance condition adjustments	—	$	—	(32)	$	6.55
Released	—	$	—	(64)	$	5.58
Forfeited	—	$	—	(84)	$	6.95
Outstanding at end of period:	309	$	9.00	382	$	9.12

During the three months ended March 31, 2023, the Compensation Committee approved the final calculation of the award metrics for calendar year 2022. Therefore, the calendar year 2022 PRSUs decreased by approximately 32,000 units as a result of the final calculation of award metrics.

For the three months ended March 31, 2024 and March 31, 2023, the Company recognized aggregate share-based compensation expense related to the awards described above of approximately $0.1 million and $0.7 million, respectively. At March 31, 2024, there was $2.4 million of total unrecognized compensation costs related to approximately 309,000 non-vested PRSUs, which is expected to be recognized over a remaining weighted-average period of 3.0 years.

4.    Earnings (loss) per Share

Basic earnings (loss) per share is computed by dividing net income (loss) by the weighted-average number of shares outstanding during the period. Diluted earnings per share is computed by dividing net income (loss) by the sum of (1) the weighted-average number of shares of common stock outstanding during the period, and (2) the dilutive effect of assumed conversion of equity awards using the treasury stock method. With respect to the number of weighted-average shares outstanding (denominator), diluted shares reflects: (i) the exercise of options to acquire common stock to the extent that the options’ exercise prices are less than the average market price of common shares during the period and (ii) the pro forma vesting of restricted stock units.

14

Mistras Group, Inc. and Subsidiaries

Notes to Unaudited Condensed Consolidated Financial Statements

(tabular dollars and shares in thousands, except per share data)

The following table sets forth the computations of basic and diluted earnings (loss) per share:

 

	Three months ended March 31,
	2024		2023
Basic earnings (loss) per share
Numerator:
Net income (loss) attributable to Mistras Group, Inc.	$	995	$	(4,986)
Denominator:
Weighted average common shares outstanding	30,680		30,021
Basic earnings (loss) per share	$	0.03	$	(0.17)
Diluted earnings (loss) per share:
Numerator:
Net income (loss) attributable to Mistras Group, Inc.	$	995	$	(4,986)
Denominator:
Weighted average common shares outstanding	30,680		30,021
Dilutive effect of stock options outstanding	250		—
Dilutive effect of restricted stock units outstanding (1)	426		—
	31,356		30,021
Diluted earnings (loss) per share	$	0.03	$	(0.17)

_______________

(1) For the three months ended March 31, 2023, 1,513,000 shares, related to restricted stock were excluded from the calculation of diluted EPS due to the net loss for the period.

5.    Acquisitions

Acquisition-Related Expense 

In the course of its acquisition activities, the Company incurs costs in connection with due diligence, such as professional fees, and other expenses. Additionally, the Company adjusts the fair value of acquisition-related contingent consideration liabilities on a quarterly basis. These amounts are reported as Acquisition-related expense, net on the Unaudited Condensed Consolidated Statements of Income (Loss) and were as follows for the three months ended March 31, 2024 and 2023:

	Three months ended March 31,
	2024		2023
Due diligence, professional fees and other transaction costs	$	1	$	3
Adjustments to fair value of contingent consideration liabilities	—		—
Acquisition-related expense, net	$	1	$	3

The Company's contingent consideration liabilities are included in Accrued expenses and other current liabilities and Other long-term liabilities on the Condensed Consolidated Balance Sheets.

6.    Accounts Receivable, net

Accounts receivable consisted of the following:

15

Mistras Group, Inc. and Subsidiaries

Notes to Unaudited Condensed Consolidated Financial Statements

(tabular dollars and shares in thousands, except per share data)

16

Mistras Group, Inc. and Subsidiaries

Notes to Unaudited Condensed Consolidated Financial Statements

(tabular dollars and shares in thousands, except per share data)

	March 31, 2024		December 31, 2023
Trade accounts receivable	$	142,245	$	134,495
Allowance for credit losses	(1,841)		(1,648)
Accounts receivable, net	$	140,404	$	132,847

The Company had $36.5 million and $18.5 million of unbilled revenue accrued as of March 31, 2024 and December 31, 2023, respectively. These amounts are included in the trade accounts receivable balances above. Unbilled revenue is generally billed in the subsequent quarter to their revenue recognition. The Company considers unbilled receivables as short-term in nature as they are normally converted to trade receivables within 90 days, thus future changes in economic conditions will not have a significant effect on the credit loss estimate.

7.    Inventories

Inventories consist of the following (in thousands):

	March 31, 2024		December 31, 2023
Raw materials	$	5,974	$	6,099
Work in progress	1,003		839
Finished goods	5,495		5,740
Consumable supplies	2,607		2,605
Inventories	$	15,079	$	15,283

8.    Property, Plant and Equipment, net

Property, plant and equipment consisted of the following:

 

	Useful Life (Years)	March 31, 2024		December 31, 2023
Land		$	2,444	$	2,453
Buildings and improvements	30-40	26,728		26,663
Office furniture and equipment	5-8	21,424		21,334
Machinery and equipment	5-7	270,788		269,306
		321,384		319,756
Accumulated depreciation and amortization		(241,682)		(238,784)
Property, plant and equipment, net		$	79,702	$	80,972

Depreciation expense for the three months ended March 31, 2024 and 2023 was approximately $6.5 million and $6.3 million, respectively.

17

Mistras Group, Inc. and Subsidiaries

Notes to Unaudited Condensed Consolidated Financial Statements

(tabular dollars and shares in thousands, except per share data)

9.    Goodwill

Changes in the carrying amount of goodwill by segment is shown below:

	North America		International		Products and Systems		Total
Balance at December 31, 2023	$	187,354	$	—	$	—	$	187,354
Foreign currency translation	(1,628)		—		—		(1,628)
Balance at March 31, 2024	$	185,726	$	—	$	—	$	185,726

The Company reviews goodwill for impairment on a reporting unit basis on October 1 of each year and whenever events or changes in circumstances indicate the carrying value of goodwill may not be recoverable.

During the third quarter of 2023, a triggering event was identified within the Company's reporting units within the International segment due to decreased gross margin in the current period as a result of inflationary pressures and rising energy costs impacting the International reporting units' operations. As a result, the Company performed an interim quantitative goodwill impairment test.

In performing the interim quantitative goodwill impairment test and consistent with prior practice, the Company determined the fair value of each of the reporting units using a combination of the income approach and the market approach by assessing each of these valuation methodologies based upon availability and relevance of comparable Company data and determining the appropriate weighting.

Under the income approach, the fair value for each of the reporting units was determined based on the present value of estimated future cash flows, discounted at an appropriate risk-adjusted rate. The Company used internal forecasts, updated for recent events, to estimate future cash flows using a terminal value calculation, which incorporates historical and forecasted trends, including an estimate of long-term future growth rates, based on the Company’s most recent views of the long-term outlook for each reporting unit. The Company's internal forecasts include assumptions about future profitability, including the expected demand for the Company’s goods and services. Due to the inherent uncertainties involved in making estimates and assumptions, actual results may differ from those assumed in the forecasts. The Company derived the discount rates using a capital asset pricing model and analyzing published rates for industries relevant to the reporting units to estimate the cost of equity financing. The Company used discount rates that are commensurate with the risks and uncertainties inherent in the respective businesses and in the Company's internally developed forecasts and which are updated for recent events. Increased interest rates in the current period increased the discount rate associated with the reporting units which contributed to an unfavorable decrease in the reporting units value.

The market approach valuation was derived from metrics of publicly traded companies or historically completed transactions of comparable businesses. The selection of comparable businesses was based on the markets in which the reporting units operate, considering risk profiles, size, geography, and diversity of products and services.

Based upon the results of the interim quantitative goodwill impairment test, the Company recorded an impairment charge of $13.8 million within the International reporting units. The impairment was calculated based on the difference between the estimated fair value and the carrying value of the reporting units. Any significant adverse changes in future periods to the Company’s internal forecasts or the external market conditions, if any, could reasonably be expected to negatively affect its key assumptions and may result in future goodwill impairment charges which could be material.

The Company performed a quantitative annual impairment test as of October 1, 2023 and the Company did not identify any changes in circumstances that would indicate the carrying value of goodwill may not be recoverable. Additionally, through March 31, 2024, the Company did not identify any changes in circumstances that would indicate the carrying value of goodwill may not be recoverable. Significant adverse changes in future periods could negatively affect the Company's key assumptions and may result in future goodwill impairment charges which could be material.

18

Mistras Group, Inc. and Subsidiaries

Notes to Unaudited Condensed Consolidated Financial Statements

(tabular dollars and shares in thousands, except per share data)

10.    Intangible Assets

The gross amount, accumulated amortization and net carrying amount of intangible assets were as follows:

 

		March 31, 2024						December 31, 2023
	Useful Life (Years)	Gross Amount		Accumulated Amortization		Net Carrying Amount		Gross Amount		Accumulated Amortization		Net Carrying Amount
Customer relationships	5-18	$	109,413	$	(90,463)	$	18,950	$	110,780	$	(90,506)	$	20,274
Software/Technology	3-15	55,541		(32,690)		22,851		55,053		(32,230)		22,823
Covenants not to compete	2-5	12,494		(12,455)		39		12,536		(12,488)		48
Other	2-12	10,367		(9,547)		820		10,466		(9,617)		849
Total		$	187,815	$	(145,155)	$	42,660	$	188,835	$	(144,841)	$	43,994

Amortization expense for the three months ended March 31, 2024 and 2023 was approximately $1.9 million and $2.1 million, respectively.

11.    Accrued Expenses and Other Current Liabilities

Accrued expenses and other current liabilities consisted of the following:

 

	March 31, 2024		December 31, 2023
Accrued salaries, wages and related employee benefits	$	28,373	$	27,372
Accrued workers’ compensation and health benefits	3,590		4,385
Deferred revenue	9,244		7,136
Pension accrual	2,458		2,458
Right-of-use liability - Operating	10,743		10,686
Other accrued expenses	30,067		32,294
Total	$	84,475	$	84,331

12.    Long-Term Debt

Long-term debt consisted of the following:

	March 31, 2024		December 31, 2023
Senior credit facility	$	80,368	$	71,150
Senior secured term loan, net of unamortized debt issuance costs of $0.3 million and $0.4 million, respectively	114,499		115,253
Other	3,559		3,996
Total debt	198,426		190,399
Less: Current portion	(9,464)		(8,900)
Long-term debt, net of current portion	$	188,962	$	181,499

Senior Credit Facility

19

Mistras Group, Inc. and Subsidiaries

Notes to Unaudited Condensed Consolidated Financial Statements

(tabular dollars and shares in thousands, except per share data)

On August 1, 2022, the Company entered into a new credit agreement (the “Credit Agreement”), which provides the Company with a $190 million 5-year committed revolving credit facility and a $125 million term loan with a balance of $116 million as of March 31, 2024. The Credit Agreement permits the Company to borrow up to $100 million in non-US dollar currencies and to use up to $20 million of the credit limit for the issuance of letters of credit. Both the revolving line of credit and the term loan under the Credit Agreement have a maturity date of July 30, 2027.

The Credit Agreement has the following key terms, conditions and financial covenants:

•Borrowings bear interest at Secured Overnight Financing Rate ("SOFR") plus a credit spread adjustment and applicable SOFR margin ranging from 1.25% to 2.75%, based upon our Total Consolidated Debt Leverage Ratio (defined below).

◦Total Consolidated Debt Leverage Ratio means the ratio of (a) Total Consolidated Debt to (b) EBITDA (as defined in the Credit Agreement) for the trailing four consecutive fiscal quarters.

◦Total Consolidated Debt means all indebtedness (including subordinated debt) of the Company on a consolidated basis.

•The Company has the benefit of the lowest SOFR margin if its Total Consolidated Debt Leverage Ratio is equal to or less than 1.25 to 1.0, and the margin increases as the ratio increases, to the maximum margin if the ratio is greater than 3.75 to 1.0. The Credit Agreement is secured by liens on substantially all the assets of the Company and certain of its U.S subsidiaries and is guaranteed by those U.S subsidiaries.

•The Company has to maintain a Total Consolidated Debt Leverage Ratio of no more than 4.0 to 1.0 at the end of each quarter through June 30, 2023 and stepping down to a maximum permitted ratio of no more than 3.75 to 1.0 for the remainder of the term.

•As of December 31, 2023, the Fixed Charge Coverage Ratio was modified from a ratio of 1.25 to 1.0 to a ratio of 1.1 to 1.0 for the fiscal quarters ended December 31, 2023 and March 31, 2024. For the period ending June 30, 2024 to maturity, the Fixed Charge Coverage Ratio is 1.25 to 1.

•The Credit Agreement limits the Company’s ability to, among other things, create liens, make investments, incur more indebtedness, merge or consolidate, make dispositions of property, pay dividends, make distributions to stockholders or repurchase our stock, enter into a new line of business, enter into transactions with affiliates and enter into burdensome agreements.

•The Credit Agreement does not limit the Company’s ability to acquire other businesses or companies except that the acquired business or company must be in the Company's line of business, the Company must be in compliance with the financial covenants on a pro forma basis after taking into account the acquisition, and the Company must provide written notice at least five business days prior to the date of an acquisition of $10 million or more.

•Quarterly payments on the term loan of $1.56 million through June 30, 2024, then increasing to $2.34 million through June 30, 2025, and to $3.12 million for each quarterly payment thereafter through maturity.

As of March 31, 2024, the Company had borrowings of $194.9 million and a total of $2.9 million of letters of credit outstanding under the Credit Agreement. The Company has capitalized costs associated with debt modifications of $1.2 million as of March 31, 2024, which is included in Other Assets on the Condensed Consolidated Balance Sheets and will be amortized into interest expense over the remaining term of the Credit Agreement through July 30, 2027.

As of March 31, 2024, the Company was in compliance with the terms and covenants of the Credit Agreement. The Company continuously monitors compliance with the covenants contained in the Credit Agreement. The Company believes that it is probable that the Company will be able to comply with the financial covenants in the Credit Agreement and that sufficient credit remains available under the Credit Agreement to meet the Company's liquidity needs. However, such matters cannot be predicted with certainty.

Other debt

20

Mistras Group, Inc. and Subsidiaries

Notes to Unaudited Condensed Consolidated Financial Statements

(tabular dollars and shares in thousands, except per share data)

The Company's other debt includes bank financing provided at the local subsidiary level used to support working capital requirements and fund capital expenditures. At March 31, 2024, there was an aggregate of approximately $3.6 million outstanding, payable at various times through 2030. Monthly payments range from $0.7 thousand to $16.0 thousand and interest rates range from 0.4% to 3.5%.

13.    Fair Value Measurements

The Company performs fair value measurements in accordance with the guidance provided by ASC 820, Fair Value Measurements and Disclosures. ASC 820 defines fair value as the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date. It also establishes a three level hierarchy that prioritizes the inputs used to measure fair value.

Financial instruments measured at fair value on a recurring basis

The fair value of contingent consideration liabilities was estimated using a discounted cash flow technique with significant inputs that are not observable in the market and thus represents a Level 3 fair value measurement as defined in ASC 820. The significant inputs in the Level 3 measurement not supported by market activity include the probability assessments of expected future cash flows related to the acquisitions, appropriately discounted considering the uncertainties associated with the obligation, and as calculated in accordance with the terms of the applicable acquisition agreements.

The following table represents the changes in the fair value of Level 3 contingent consideration:

 

	Three months ended March 31,
	2024		2023
Beginning balance	$	—	$	938
Payments	—		(938)
Revaluation	—		—
Ending balance	$	—	$	—

Financial instruments not measured at fair value on a recurring basis

The Company has evaluated current market conditions and borrower credit quality and has determined that the carrying value of its long-term debt approximates fair value. The fair value of the Company’s notes payable and finance lease obligations approximates their carrying amounts based on anticipated interest rates which management believes would currently be available to the Company for similar issuances of debt.

14.    Commitments and Contingencies

Legal Proceedings and Government Investigations

The Company is periodically involved in lawsuits, investigations and claims that arise in the ordinary course of business. While the Company cannot predict with certainty the ultimate resolution of lawsuits, investigations and claims asserted against it, the Company does not believe that any currently pending or threatened legal proceeding to which the Company is or is likely to become a party will have a material adverse effect on its business, results of operations, cash flows or financial condition. The costs incurred by the Company to defend lawsuits, investigations and claims and amounts the Company pays to other parties because of these matters may be covered by insurance in some circumstances.

21

Mistras Group, Inc. and Subsidiaries

Notes to Unaudited Condensed Consolidated Financial Statements

(tabular dollars and shares in thousands, except per share data)

Litigation and Commercial Claims

A subsidiary of the Company, Mistras Arizona Inspection Services LLC (“Mistras Arizona”) is subject to a lawsuit filed by the Arizona Department of Environmental Quality (“DEQ”), which has been filed against the Company, captioned State of Arizona v. Mistras Group, Inc. and Naiman Phoenix, Ltd., filed on February 27, 2024, in the Superior Court of the State of Arizona for Maricopa County, CV 2024-003866. The Complaint alleges various violations of the Arizona environmental laws and regulations in connection with the operation of the Mistras Arizona testing facility in Phoenix, Arizona. The complaint seeks injunctive relief, the closing of a chromic acid plating line and air scrubber, implementation of a site assessment plan approved by the DEQ, corrective and remedial action to bring the facility in compliance, and costs and penalties. Mistras Arizona and the Company have also received notice of violations from the DEQ for the violations of Arizona environmental laws and regulations and from the Maricopa County Department of Air Quality for violation of various regulations regarding air quality. This matter is in the early stages and the Company is unable to assess the amount of liability the Company or Mistras Arizona may incur.

Pension Related Contingencies

Certain of the Company’s subsidiaries had significant reductions in their unionized workers in 2018. The collective bargaining agreements for the employees of these subsidiaries required contributions for these employees to two national multi-employer pension funds. The reduction in employees resulted in one of the Company's subsidiaries incurring a complete withdrawal to one of the pension funds under the Employee Retirement Income Security Act of 1974 ("ERISA"), which was fully satisfied in 2019. The Company has determined that the subsidiary is likely to incur partial or complete withdrawal liability to the other pension fund. The balance of the estimated total amount of this potential liability as of March 31, 2024 is approximately $2.5 million, which were incurred in 2018 and 2019.

15.    Segment Disclosure

The Company's three operating segments are:

•North America. This segment provides asset protection solutions predominantly in North America, with the largest concentration in the United States, followed by Canada, consisting primarily of NDT, inspection, mechanical and engineering services that are used to evaluate the safety, structural integrity and reliability of critical energy, industrial and public infrastructure and commercial aerospace components. Software, digital and data services are included in this segment.

•International. This segment offers services, products and systems similar to those of the other segments to select markets within Europe, the Middle East, Africa, Asia and South America, but not to customers in China and South Korea, which are served by the Products and Systems segment.

•Products and Systems. This segment designs, manufactures, sells, installs and services the Company’s asset protection products and systems, including equipment and instrumentation, predominantly in the United States.

Costs incurred for general corporate services, including finance, legal, and certain other costs that are provided to the segments are reported within Corporate and eliminations. Sales to the International segment from the Products and Systems segment and subsequent sales by the International segment of the same items are recorded and reflected in the operating performance of both segments. Additionally, engineering charges and royalty fees charged to the North America and International segments by the Products and Systems segment are reflected in the operating performance of each segment.

The accounting policies of the reportable segments are the same as those described in Note 1 - Description of Business and Basis of Presentation. Segment income from operations is one of the primary performance measures used by the chief operating decision maker, to assess the performance of each segment and make resource allocation decisions. Certain general and administrative costs such as human resources, information technology and training are allocated to the segments. Segment income from operations excludes interest and other financial charges and income taxes. Corporate and other assets are comprised principally of cash, deposits, property, plant and equipment, domestic deferred taxes, deferred charges and other assets. Corporate loss from operations consists of administrative charges related to corporate personnel and other charges that cannot be readily identified for allocation to a particular segment.

22

Mistras Group, Inc. and Subsidiaries

Notes to Unaudited Condensed Consolidated Financial Statements

(tabular dollars and shares in thousands, except per share data)

Selected consolidated financial information by segment for the periods shown was as follows: (with intercompany transactions eliminated in Corporate and eliminations)

 

	Three months ended March 31,
	2024		2023
Revenue
North America	$	150,349	$	136,932
International	33,047		29,407
Products and Systems	3,210		3,739
Corporate and eliminations	(2,164)		(2,062)
	$	184,442	$	168,016

 

	Three months ended March 31,
	2024		2023
Gross profit
North America	$	39,991	$	36,637
International	9,459		7,367
Products and Systems	1,613		2,063
Corporate and eliminations	27		10
	$	51,090	$	46,077

Income (loss) from operations by operating segment includes intercompany transactions, which are eliminated in Corporate and eliminations.

	Three months ended March 31,
	2024		2023
Income (loss) from operations
North America	$	13,561	$	9,378
International	1,124		(568)
Products and Systems	314		384
Corporate and eliminations	(9,446)		(11,024)
	$	5,553	$	(1,830)

  

	Three months ended March 31,
	2024		2023
Depreciation and amortization
North America	$	6,218	$	6,357
International	1,913		1,859
Products and Systems	164		256
Corporate and eliminations	86		(59)
	$	8,381	$	8,413

23

Mistras Group, Inc. and Subsidiaries

Management's Discussion and Analysis of Financial Condition and Results of Operations

(tabular dollars are in thousands)

 

	March 31, 2024		December 31, 2023
Intangible assets, net
North America	$	35,803	$	37,622
International	2,537		2,998
Products and Systems	1,089		1,168
Corporate and eliminations	3,231		2,206
	$	42,660	$	43,994

	March 31, 2024		December 31, 2023
Total assets
North America	$	411,853	$	402,782
International	99,518		99,398
Products and Systems	12,859		13,259
Corporate and eliminations	17,897		19,337
	$	542,127	$	534,776

Refer to Note 2 - Revenue, for revenue by geographic area for the three months ended March 31, 2024 and 2023.

24

Mistras Group, Inc. and Subsidiaries

Management's Discussion and Analysis of Financial Condition and Results of Operations

(tabular dollars are in thousands)

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

The following Management’s Discussion and Analysis (“MD&A”) provides a discussion of our results of operations and financial position for the three months ended March 31, 2024 and 2023. The MD&A should be read together with our Unaudited Condensed Consolidated Financial Statements and related notes included in Item 1 in this Quarterly Report on Form 10-Q (the "Quarterly Report") and our audited consolidated financial statements and related notes included in our Annual Report on Form 10-K for the year ended December 31, 2023 (“2023 Annual Report”). Unless otherwise specified or the context otherwise requires, “Mistras,” “the Company,” “we,” “us” and “our” refer to Mistras Group, Inc. and its consolidated subsidiaries. The MD&A includes the following sections:

•Forward-Looking Statements

•Overview

•Note about Non-GAAP Measures

•Consolidated Results of Operations

•Liquidity and Capital Resources

•Critical Accounting Policies and Estimates

Forward-Looking Statements

This Quarterly Report contains “forward-looking statements” within the meaning of Section 27A of the Securities Act of 1933, and Section 21E of the Securities Exchange Act of 1934 (“Exchange Act”). Such forward-looking statements include those that express plans, anticipation, intent, contingency, goals, targets or future development and/or otherwise are not statements of historical fact. These forward-looking statements are based on our current expectations and projections about future events and they are subject to risks and uncertainties known and unknown that could cause actual results and developments to differ materially from those expressed or implied in such statements.

In some cases, you can identify forward-looking statements by terminology, such as “goals,” or “expects,” “anticipates,” “intends,” “plans,” “believes,” “seeks,” “estimates,” “may,” “could,” “should,” “would,” “predicts,” “appears,” “projects,” or the negative of such terms or other similar expressions. You are urged not to place undue reliance on any such forward-looking statements, any of which may turn out to be wrong due to inaccurate assumptions, various risks, uncertainties or other factors known and unknown. Factors that could cause or contribute to differences in results and outcomes from those in our forward-looking statements include, without limitation, those discussed in the “Business—Forward-Looking Statements,” and “Risk Factors” sections of our 2023 Annual Report as well as those discussed in this Quarterly Report and in our other filings with the SEC. In addition, there are various developments discussed below which could create risks and uncertainty about our business, results of operations or liquidity.

Overview

We are a leading "one source" multinational provider of integrated technology-enabled asset protection solutions, helping to maximize the safety and operational uptime for civilization’s most critical industrial and civil assets.

Backed by an innovative, data-driven asset protection portfolio, proprietary technologies, and decades-long legacy of industry leadership, the Company helps clients with asset-intensive infrastructure in the oil and gas, aerospace and defense, industrials, power generation and transmission (including alternative and renewable energy), other process industries and infrastructure, research and engineering and other industries towards achieving and maintaining operational excellence. By supporting these organizations that help fuel our vehicles and power our society; inspecting components that are trusted for commercial, defense, and space craft; and building real-time monitoring systems to help avoid catastrophic incidents, the Company helps the world at large.

The Company enhances value for its clients by integrating asset protection throughout supply chains and centralizing integrity data through a suite of Industrial Internet of Things ("IoT")-connected digital software and monitoring solutions, including OneSuite™, which serves as an ecosystem platform, pulling together all of the Company’s software and data services capabilities, for the benefit of its customers.

25

Mistras Group, Inc. and Subsidiaries

Management's Discussion and Analysis of Financial Condition and Results of Operations

(tabular dollars are in thousands)

The Company’s core capabilities also include non-destructive testing (“NDT”) field inspections enhanced by advanced robotics, laboratory quality control and assurance testing, sensing technologies and NDT equipment, asset and mechanical integrity engineering services, and light mechanical maintenance and access services.

Our operations consist of three reportable segments: North America, International, and Products and Systems.

•North America provides asset protection solutions predominantly in North America, with the largest concentration in the United States, followed by Canada, consisting primarily of NDT, inspection, mechanical and engineering services that are used to evaluate the structural integrity and reliability of critical energy, industrial and public infrastructure and commercial aerospace components. Software, digital and data services are included in this segment.

•International offers services, products and systems similar to those of the other segments to select markets within Europe, the Middle East, Africa, Asia and South America, but not to customers in China and South Korea, which are served by the Products and Systems segment.

•Products and Systems designs, manufactures, sells, installs and services the Company’s asset protection products and systems, including equipment and instrumentation, predominantly in the United States.

Given the role our solutions play in enhancing the safe and efficient operation of infrastructure, we have historically provided a majority of our solutions to our customers on a regular, recurring basis. We perform these services largely at our customers’ facilities, while primarily servicing our aerospace customers at our network of state-of-the-art, in-house laboratories. These solutions typically include NDT and inspection services, and can also include a wide range of mechanical services, including heat tracing, pre-inspection insulation stripping, coating applications, re-insulation, engineering assessments and long-term condition-monitoring. Under this business model, many customers outsource their inspection to us on a “run and maintain” basis. We have established long-term relationships as a critical solutions provider to many of the leading companies with asset-intensive infrastructure in our target markets. These markets include companies in the oil and gas, aerospace and defense, industrials, power generation and transmission (including alternative and renewable energy), other process industries and infrastructure, research and engineering and other industries.

We have focused on providing our advanced asset protection solutions to our customers using proprietary, technology-enabled software and testing instruments, including those developed by our Products and Systems segment. We have made numerous acquisitions in an effort to grow our base of experienced, certified personnel, expand our service lines and technical capabilities, increase our geographical reach, complement our existing offerings, and leverage our fixed costs. We have increased our capabilities and the size of our customer base through the development of applied technologies and managed support services, organic growth and the integration of acquired companies. These acquisitions have provided us with additional service lines, technologies, resources and customers which we believe will enhance our advantages over our competition.

We believe long-term growth can be realized in our target markets. Our level of business and financial results are impacted by world-wide macro- and micro-economic conditions generally, as well as those within our target markets. Among other things, we expect the timing of our oil and gas customers inspection spend to be impacted by oil price fluctuations.

We have continued providing our customers with an innovative asset protection software ecosystem through our MISTRAS OneSuite platform. The software platform offers functions of MISTRAS' popular software and services brands as integrated apps on a cloud environment. OneSuite serves as a single access portal for customers' data activities and provides access to 90 plus applications being offered on one centralized platform.

Recent Developments

The Russian-Ukrainian war and the conflict in the Middle East between Israel and Hamas are creating disruptions in the oil and gas market and the supply chain in general, which is resulting in some disruption to our business operations primarily in Europe due to increased energy costs.

Our cash position and liquidity remains strong. As of March 31, 2024, the cash balance was approximately $16.9 million, and with our Credit Agreement, provides us with significant liquidity.

In April 2021, the Biden Administration announced aggressive initiatives to battle climate change, which includes a significant reduction in the use of fossil fuels and a transition to electric vehicles and increased use of alternative energy. Any legislation or

26

Mistras Group, Inc. and Subsidiaries

Management's Discussion and Analysis of Financial Condition and Results of Operations

(tabular dollars are in thousands)

regulations that may be adopted to implement these measures may negatively impact our customers in the oil and gas market over the long-term, which presently is our largest market, although this initiative will likely benefit the alternative energy market, such as wind energy, for which we provide products and services. At this time, it is difficult to determine the magnitude and timing of the impact that climate change initiatives and legislation, if any, will have on these markets and the resulting impact on our business and operational results.

The Company is currently unable to predict with certainty the overall impact that the factors discussed above and the effect of inflationary pressures may have on its business, results of operations or liquidity or in other ways which the Company cannot yet determine. The Company’s European operations are currently experiencing higher energy costs, among other increased costs, due in part to the Russian-Ukrainian war and the conflict in the Middle East between Israel and Hamas. The Company will continue to monitor market conditions and respond accordingly.

Note About Non-GAAP Measures

The Company prepares its consolidated financial statements in accordance with U.S. generally accepted accounting principles ("GAAP"). In this MD&A under the heading "Income (loss) from Operations", the non-GAAP financial performance measure "Income (loss) from operations before special items” is used for each of our three operating segments, the Corporate segment and the "Total Company", with tables reconciling the measure to a financial measure under GAAP. This presentation excludes from "Income (loss) from Operations" (a) transaction expenses related to acquisitions, such as professional fees and due diligence costs, (b) the net changes in the fair value of acquisition-related contingent consideration liabilities, (c) impairment charges, (d) reorganization and other costs, which includes items such as severance, labor relations matters and asset and lease termination costs and (e) other special items. These adjustments have been excluded from the GAAP measure because these expenses and credits are not related to our or any individual segment's core business operations. The acquisition related costs and special items can be a net expense or credit in any given period. Our management uses this non-GAAP measure as a measure of operating performance and liquidity to assist in comparing performance from period to period on a consistent basis, as a measure for planning and forecasting overall expectations and for evaluating actual results against such expectations. We believe investors and other users of our financial statements benefit from the presentation of this non-GAAP measure in evaluating our performance. Income (loss) before special items excludes the identified adjustments, which provides additional tools to compare our core business operating performance on a consistent basis and measure underlying trends and results in our business. Income (loss) before special items is not used to determine incentive compensation for executives or employees, nor is it a replacement for the reported GAAP financial performance and/or necessarily comparable to the non-GAAP financial measures of other companies. Any measure that eliminates the foregoing items has material limitations as a performance or liquidity measure and should not be considered alternatives to net income (loss) or any other measures derived in accordance with GAAP. Because Income (loss) from operations before special items may not be calculated in the same manner by all companies, this measure may not be comparable to other similarly titled measures used by other companies.

Results of Operations

Condensed consolidated results of operations for the three months ended March 31, 2024 and 2023 were as follows:

	Three months ended March 31,
	2024			2023
Revenues	$	184,442		$	168,016
Gross profit	51,090			46,077
Gross profit as a % of Revenue	27.7		%	27.4		%
Income (loss) from operations	5,553			(1,830)
Income (loss) from Operations as a % of Revenue	3.0		%	(1.1)		%
Income (loss) before benefit for income taxes	1,123			(5,898)
Net Income (Loss)	1,004			(4,978)
Net Income (Loss) attributable to Mistras Group, Inc.	$	995		$	(4,986)

Revenue

27

Mistras Group, Inc. and Subsidiaries

Management's Discussion and Analysis of Financial Condition and Results of Operations

(tabular dollars are in thousands)

Revenue was $184.4 million for the three months ended March 31, 2024, an increase of $16.4 million, or 9.8%, compared with the three months ended March 31, 2023.

Revenue by segment for the three months ended March 31, 2024 and 2023 were as follows:

	Three months ended March 31,
	2024		2023
Revenue
North America	$	150,349	$	136,932
International	33,047		29,407
Products and Systems	3,210		3,739
Corporate and eliminations	(2,164)		(2,062)
Total	$	184,442	$	168,016

Three Months

In the three months ended March 31, 2024, total revenue increased 9.8% versus the prior year comparable period due predominantly to a high single-digit organic increase. North America segment revenue increased 9.8%, driven predominantly by a high single-digit organic increase and increased turnarounds in the current year, minimally supported by low single-digit favorable impact of foreign exchange rates. International segment revenue increased 12.4%, due predominantly to low double-digit organic growth and low single-digit favorable impact of foreign exchange rates. Products and Systems segment revenue decreased by 14.1%, due to decreased sales volume and shipments as compared to the prior period.

Oil and gas customer revenue comprised approximately 61% and 59% of total revenue for the three months ended March 31, 2024 and 2023, respectively. Aerospace and defense customer revenue comprised approximately 12% and 11% of total revenue for the three months ended March 31, 2024 and 2023, respectively. The Company’s top ten customers comprised approximately 39% of total revenue for the three months ended March 31, 2024, as compared to 36% for the three months ended March 31, 2023, with no customer accounting for 10% or more of total revenue in either three-month period.

	Three months ended March 31,
	2024		2023
Oil and Gas Revenue by sub-category
Upstream	$	41,767	$	36,939
Midstream	21,392		21,231
Downstream	50,006		40,495
Total	$	113,165	$	98,665

Oil and gas upstream customer revenue increased approximately $4.8 million, or 13%, due primarily to market share gains and increased exploration activity as compared to the prior period. Midstream customer revenues increased approximately $0.2 million, or 1%, due to decreased pipe inspection services performed as compared to the prior period. Downstream customer revenues increased $9.5 million or, 23%, primarily due to increased customer turnarounds in the current year that were delayed in the prior period.

28

Mistras Group, Inc. and Subsidiaries

Management's Discussion and Analysis of Financial Condition and Results of Operations

(tabular dollars are in thousands)

	Three months ended March 31,
	2024		2023
Revenue by type
Field Services	$	126,355	$	109,680
Shop Laboratories	17,195		13,132
Data Analytical Solutions	15,539		16,812
Other	25,353		28,392
Total	$	184,442	$	168,016

Field Services revenues are comprised of revenue derived primarily by technicians performing asset inspections and maintenance services for our customers at locations other than Mistras properties. Field Services revenue increased by $16.7 million as compared to the prior period primarily due to increases in sales volume in our oil and gas, industrials and infrastructure, research and engineering end markets within our North America segment and oil and gas end market within our International segment.

Shop Laboratory revenues are comprised of quality assurance inspections of components and materials at our Mistras in house laboratory facilities. Shop revenues increase by $4.1 million as compared to the prior period quarter due to increased sales volumes related to our aerospace and defense end market in our North America and International segments.

Data Analytical Solutions revenues are comprised of revenue derived from data software sales & subscriptions, implementation services and analytics which offer insights and generate value from asset protection. Data Analytical Solutions revenue is derived from work performed by Mistras employees in our facilities, or at customer locations. Data Analytical Solutions revenue decreased by $1.3 million as compared to the prior period due to decreased sales volume within PCMS and other Data Analytical Solutions offerings within our North America segment.

Other revenues are comprised of locations that perform both asset inspection services and testing of components and materials at in house Mistras laboratories. Other revenues decreased by $3.0 million as compared to the prior year primarily due to decreased sales within the defense sector within the North America segment offset by increased private space shop related activities during the quarter.

Gross Profit

Gross profit increased by $5.0 million, or 10.9%, in the three months ended March 31, 2024 versus the prior year comparable period, an increase in revenue of 9.8%.

Gross profit by segment for the three months ended March 31, 2024 and 2023 was as follows:

 

	Three months ended March 31,
	2024			2023
Gross profit
North America	$	39,991		$	36,637
% of segment revenue	26.6		%	26.8		%
International	9,459			7,367
% of segment revenue	28.6		%	25.1		%
Products and Systems	1,613			2,063
% of segment revenue	50.2		%	55.2		%
Corporate and eliminations	27			10
	$	51,090		$	46,077
% of total revenue	27.7		%	27.4		%

Three Months

29

Mistras Group, Inc. and Subsidiaries

Management's Discussion and Analysis of Financial Condition and Results of Operations

(tabular dollars are in thousands)

Gross profit margin was 27.7% and 27.4% for the three-month periods ended March 31, 2024 and 2023, respectively. North America segment realized a decrease of 0.2% in gross profit margin to 26.6% during the three months ended March 31, 2024 as compared to the prior period. This was primarily due to unfavorable sales mix in the period ended March 31, 2024 as compared to the prior period, and higher benefit claims expense in the current year period. International segment realized a 3.5% increase in gross profit margin to 28.6% during the three months ended March 31, 2024 due primarily to a better sales mix and decreased energy costs in the current period. Products and Systems segment gross margin had a decrease of 5.0% to 50.2% during the three months ended March 31, 2024 due to decreased sales volume as compared to the prior period.

Operating Expenses

Operating expenses for the three months ended March 31, 2024 and 2023 was as follows:

	Three months ended March 31,
	2024		2023
Operating Expenses
Selling, general and administrative expenses	$	41,189	$	42,823
Reorganization and other costs	1,557		2,076
Research and engineering	343		480
Depreciation and amortization	2,447		2,525
Acquisition-related expense, net	1		3

Three Months

Operating expenses decreased $2.4 million, or 4.9%, for the three months ended March 31, 2024 compared to the three months ended March 31, 2023. Selling, general and administrative expenses decreased $1.6 million during the three months ended March 31, 2024 compared to the three months ended March 31, 2023, due to cost reduction measures implemented in 2023 and favorable foreign exchange impact as compared to the prior period. Reorganization and other costs decreased by approximately $0.5 million as compared to the prior year due primarily to a decrease in severance costs during the period. Depreciation and amortization decreased $0.1 million during the three months ended March 31, 2024 compared to the three months ended March 31, 2023.

30

Mistras Group, Inc. and Subsidiaries

Management's Discussion and Analysis of Financial Condition and Results of Operations

(tabular dollars are in thousands)

Income (loss) from Operations

The following table shows a reconciliation of the income from operations to income (loss) from operations before special items for each of our three segments, Corporate and Elimination and for the Company in total:

	Three months ended March 31,
	2024		2023
North America:
Income from operations (GAAP)	$	13,561	$	9,378
Reorganization and other costs	—		61
Income from operations before special items (non-GAAP)	$	13,561	$	9,439
International:
Income (loss) from operations (GAAP)	$	1,124	$	(568)
Reorganization and other costs	102		107
Income (loss) from operations before special items (non-GAAP)	$	1,226	$	(461)
Products and Systems:
Income from operations (GAAP)	$	314	$	384
Reorganization and other costs	2		—
Income from operations before special items (non-GAAP)	$	316	$	384
Corporate and Eliminations:
Loss from operations (GAAP)	$	(9,446)	$	(11,024)
Reorganization and other costs	1,453		1,908
Acquisition-related expense, net	1		3
Loss from operations before special items (non-GAAP)	$	(7,992)	$	(9,113)
Total Company:
Income (loss) from operations (GAAP)	$	5,553	$	(1,830)
Reorganization and other costs	1,557		2,076
Acquisition-related expense, net	1		3
Income from operations before special items (non-GAAP)	$	7,111	$	249

See section Note About Non-GAAP Measures in this report for an explanation of the use of non-GAAP measurements.

Three Months

For the three months ended March 31, 2024, income (loss) from operations (GAAP) increased $7.4 million or 403.4%, compared with the three months ended March 31, 2023, while the income from operations before special items (non-GAAP) improved by $6.9 million, or 2,755.8%. As a percentage of revenue, the income (loss) before special items improved by 380 basis points to 3.9% in the three months ended March 31, 2024 compared to 0.1% in the three months ended March 31, 2023.

Interest Expense

Interest expense was approximately $4.4 million and $4.1 million for the three months ended March 31, 2024 and 2023, respectively. The increase was a result of increased interest rates in the period.

Income Taxes

Our effective income tax rate was approximately 10.6% and 15.6% for the three months ended March 31, 2024 and 2023, respectively.

The effective income tax rate for the three months ended March 31, 2024 was lower than the statutory rate primarily due to the impact of favorable discrete items including stock compensation. The effective income tax rate for the three months ended

31

Mistras Group, Inc. and Subsidiaries

Management's Discussion and Analysis of Financial Condition and Results of Operations

(tabular dollars are in thousands)

March 31, 2023 was lower than the statutory rate primarily due to the impact of an favorable discrete item related to stock compensation.

Income tax expense varies as a function of pre-tax income and the level of non-deductible expenses, such as certain amounts of meals and entertainment expense, valuation allowances, and other permanent differences. It is also affected by discrete items that may occur in any given year but are not consistent from year to year. Our effective income tax rate may fluctuate over the next few years due to many variables including the amount and future geographic distribution of our pre-tax income, changes resulting from our acquisition strategy, and increases or decreases in our permanent differences.

Liquidity and Capital Resources

Cash flows are summarized in the table below:

	Three months ended March 31,
	2024		2023
Net cash provided by (used in):
Operating activities	$	604	$	4,433
Investing activities	(5,648)		(4,460)
Financing activities	5,127		(3,951)
Effect of exchange rate changes on cash	(874)		207
Net change in cash and cash equivalents	$	(791)	$	(3,771)

Cash Flows from Operating Activities

During the three months ended March 31, 2024, cash provided by operating activities was $0.6 million, representing a year-on-year decrease of $3.8 million, or 86%. The decrease was primarily attributable to a decrease in days sales outstanding and movements in working capital, as compared to the prior year quarter.

Cash Flows from Investing Activities

During the three months ended March 31, 2024 and 2023, cash used in investing activities was $5.6 million, primarily attributable to increased expenditures for vehicles leased related to customer projects and additional capital expenditures as compared to the prior period.

Cash Flows from Financing Activities

Net cash provided by financing activities was $5.1 million for the three months ended March 31, 2024, compared to net cash used in financing activities of $4.0 million for the three months ended March 31, 2023. During the three months ended March 31, 2024, net borrowings of debt were approximately $10.1 million higher as compared to 2023 resulting in debt borrowings during the period. In addition, $0.8 million more taxes were paid related to net share settlement of share-based awards during the three months ended March 31, 2024.

Effect of Exchange Rate Changes on Cash and Cash Equivalents

The effect of exchange rate changes on our cash and cash equivalents was a decrease of $0.9 million in the three months ended March 31, 2024, compared to an increase of $0.2 million for the three months ended March 31, 2023.

Cash Balance and Credit Facility Borrowings

As of March 31, 2024, we had cash and cash equivalents totaling $16.9 million and $104.0 million of unused commitments under our Credit Agreement with borrowings of $194.9 million and $2.9 million of letters of credit outstanding. We finance operations primarily through our existing cash balances, cash collected from operations, bank borrowings and capital lease financing. We believe these sources are sufficient to fund our operations for the foreseeable future.

32

As of March 31, 2024, we were in compliance with the terms of the Credit Agreement and will continuously monitor our compliance with the covenants contained in the Credit Agreement.

The terms of our Credit Agreement are described in Note 12 - Long-Term Debt of the Notes to the Unaudited Condensed Consolidated Financial Statements, under the heading "Senior Credit Facility".

Contractual Obligations

There have been no significant changes in our contractual obligations and outstanding indebtedness as disclosed in the 2023 Annual Report.

Off-balance Sheet Arrangements

During the three months ended March 31, 2024, we did not have any relationships with unconsolidated entities or financial partnerships, such as entities often referred to as structured finance or special purpose entities, which would have been established for the purpose of facilitating off-balance sheet arrangements or other contractually narrow or limited purposes.

33

Critical Accounting Policies and Estimates

There have been no significant changes to our critical accounting policies and estimates from the information provided in Item 7, “Management’s Discussion and Analysis of Financial Condition and Results of Operations,” included in the 2023 Annual Report.

ITEM 3.    Quantitative and Qualitative Disclosures about Market Risk

There have been no significant changes to our quantitative and qualitative disclosures about market risk as discussed in Part II, Item 7A “Quantitative and Qualitative Disclosures About Market Risk,” included in the 2023 Annual Report.

ITEM 4.    Controls and Procedures

Evaluation of Disclosure Controls and Procedures

Pursuant to Rule 13a-15(b) under the Exchange Act, our management carried out an evaluation, under the supervision and with the participation of our President and Chief Executive Officer and our Executive Vice President, Chief Financial Officer and Treasurer, of the effectiveness of the design and operation of our disclosure controls (as defined in Rule 13a-15(e) of the Exchange Act) and procedures. Based upon that evaluation, our President and Chief Executive Officer and our Executive Vice President, Chief Financial Officer and Treasurer concluded that, as of March 31, 2024, our disclosure controls and procedures were effective.

Changes in Internal Control over Financial Reporting

There have been no changes in our internal control over financial reporting during the quarter ended March 31, 2024 that materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.

34

PART II—OTHER INFORMATION

ITEM 1.    Legal Proceedings

See Note 14 - Commitments and Contingencies to the Notes to Unaudited Condensed Consolidated Financial Statements included in this Quarterly Report for a description of our legal proceedings. There have been no material legal proceedings and no material developments with regard to any matters disclosed under Part I, Item 3 "Legal Proceedings" in our 2023 Annual Report, except as disclosed herein under Note 14 - Commitments and Contingencies to the Notes to the Unaudited Condensed Consolidated Financial Statements.

ITEM 1.A.    Risk Factors

In addition to the other information set forth in this Quarterly Report, you should carefully consider the risk factors discussed under the “Risk Factors” section included in our 2023 Annual Report. There have been no material changes to the risk factors previously disclosed in the 2023 Annual Report.

ITEM 2.    Unregistered Sale of Equity Securities and Use of Proceeds

(a) Sales of Unregistered Securities

None.

(b) Use of Proceeds from Public Offering of Common Stock

None.

(c) Repurchases of Our Equity Securities

The following table sets forth the shares of our common stock we acquired during the quarter as a result of the surrender of shares by employees to satisfy tax withholding obligations in connection with the vesting of restricted stock units.

 

Month Ending	Total Number of Shares (or Units) Purchased	Average Price Paid per Share (or Unit)
January 31, 2024	—	$	—
February 29, 2024	—	$	—
March 31, 2024	279,231	$	8.95

ITEM 3.    Defaults Upon Senior Securities

None.

ITEM 4.    Mine Safety Disclosures

Not applicable.

ITEM 5.    Other Information

Rule 10b5-1 Trading Plans

During the three months ended March 31, 2024, none of the Company's directors or officers, as defined in Section 16 of the Securities Exchange Act of 1934, adopted or terminated a "Rule 10b5-1 trading arrangement" or a "non-Rule 10b5-1 trading arrangement," as each term is defined in Item 408(a) of Regulation S-K of the Securities Exchange Act of 1934.

During the three months ended March 31, 2024, the Company did not adopt, terminate or modify a Rule 10b5-1 trading arrangement.

35

ITEM 6.    Exhibits

 

Exhibit No.	Description
10.1	First Amendment, dated February 27, 2024, to the Credit Agreement (filed as exhibit 10.1 to Current Report on Form 8-K filed on March 1, 2024 and incorporated herein by reference).
10.2	Employment Agreement between the registrant and Hani Hammad dated March 26, 2024
31.1	Certification of Chief Executive Officer pursuant to Rule 13a-14(a) under the Securities Exchange Act of 1934.
31.2	Certification of Chief Financial Officer pursuant to Rule 13a-14(a) under the Securities Exchange Act of 1934.
32.1	Certification pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
101.INS	Inline XBRL Instance Document
101.SCH	Inline XBRL Schema Document
101.CAL	Inline XBRL Calculation Linkbase Document
101.LAB	Inline XBRL Labels Linkbase Document
101.PRE	Inline XBRL Presentation Linkbase Document
101.DEF	Inline XBRL Definition Linkbase Document

Exhibit 10.2 is a management agreement and compensation plan.

36

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.

 

MISTRAS GROUP, INC.
By:	/s/ Edward J. Prajzner
	Edward J. Prajzner
	Senior Executive Vice President and Chief Financial Officer
	(Principal Financial and Accounting Officer and duly authorized officer)

Date: May 3, 2024

EX-10.2

EMPLOYMENT AGREEMENT

This Employment Agreement (the “Agreement”) is dated as of March 26, 2024 (the “Effective Date”) between Mistras Group, Inc., a Delaware corporation (the “Company”),and Hani Hammad (“Executive”).

Recital:

WHEREAS, this Agreement sets forth the terms and conditions of the Company’s employment of Executive.

NOW, THEREFORE, for good and valuable consideration, the receipt and sufficiency of which are hereby acknowledged, and intending to be legally bound hereby, the parties agree as follows:

1.Employment. The Company shall employ Executive and Executive shall be employed by the Company upon the terms and conditions set forth in this Agreement.

2.Term. Executive’s employment pursuant to this Agreement will commence on the Effective Date and will continue until terminated in accordance with Section 10 hereof.

3.Position and Duties; Full Time Commitment.

a.Executive shall serve as the Executive Vice President and Chief Transformation Officer of the Company, and in this position, Executive will report to the Company’s Chief Executive Officer and carry out such duties and responsibilities as are customarily performed by persons in Executive’s position within the industry and such other duties and responsibilities as the Company may reasonably assign to him from time to time. Schedule A attached hereto sets forth some of those duties and responsibilities that the Company currently expects Executive to perform, subject to the Company’s reservation of the right to reasonably change these duties and responsibilities or to reasonably assign to Executive other duties and responsibilities, as well as some of the key expectations of the Company in its hiring of Executive.

b.Executive agrees to devote his full business time and best efforts to the performance of his duties and responsibilities hereunder and in furtherance of the Company’s interests and will not engage in any other employment, consulting or business services; provided that Executive may engage in charitable activities so long as such activities do not interfere with the performance of his duties and responsibilities hereunder.

4.Company Policies. Executive will comply with all policies of the Company in effect from time to time, including (without limitation) policies regarding ethics, personal conduct, stock ownership, securities trading, compensation clawbacks and hedging and pledging of securities, all of which are on the Company’s website.

5.Place of Performance. Executive will be working remotely, from a home location when not traveling for work. Executive will be required to travel for business purposes to the

Company’s Princeton Junction headquarters and to various labs and facilities of the Company and its subsidiaries, which is expected to be up to 50% of Executive’s time but may vary based on the needs of the business.

6.Salary. Executive’s position with the Company is a full-time exempt position. The Company will pay Executive a salary (the “Base Salary”) at an initial annual rate of $400,000, payable in accordance with the Company’s standard payroll schedule and subject to applicable deductions and withholdings. The amount of the Base Salary shall be reviewed on an annual basis by the Company in conjunction with an annual performance assessment of Executive and may be increased or decreased from time to time by the Company.

7.Annual Incentive Awards.

a.For each calendar year during his employment, Executive will have the opportunity to earn an annual incentive award under the Company’s “Executive annual incentive plan” (sometimes referred to as the “Executive annual bonus plan”) applicable to senior executives generally, with Executive’s annual incentive target opportunity amount (and range of potential payouts, if any) for each calendar year to be set by the Company and to be dependent upon the extent to which performance targets established by the Company are or are not achieved for such year. Any annual incentive award that is earned by Executive will be payable consistent with the Company’s regular payroll practices applicable to annual incentive awards for senior executives generally.

b.For calendar year 2024, Executive will have the opportunity to earn an annual incentive award under the Company’s previously established “Executive annual incentive plan” (sometimes, as noted above, referred to as the “Executive annual bonus plan”) applicable to senior executives generally for calendar year 2024, but with the amount of amount of any payment on account thereof to be pro-rated and computed as follows: first, the target amount (prior to the following proration) shall be equal to 50% of the Base Salary (and with the actual award amount (the “nominal amount”), if any and prior to the following proration, ranging from 0 to 200% of the target amount, depending upon the extent to which performance targets previously established by the Company under the annual incentive plan for calendar year 2024 are or are not achieved, and with the weightings among such performance targets applied in the same manner for Executive); and second, the actual payment amount, if any, shall be pro-rated to equal the product of the nominal amount multiplied by a fraction the numerator of which is the number of days from and including the Effective Date to and including December 31, 2024 and the denominator of which is three hundred sixty-five (366).

8.Long-Term Equity Incentive Grants.

a.The Executive is eligible to participate in the Company’s Long-Term Incentive Plan (as amended or replaced from time to time, the “LTIP”). On the Effective Date, Executive shall be granted, on a one-time basis, Restricted Stock Units (as defined in the LTIP) that represents the right to receive up to 47,058 Shares (as defined in the LTIP) in the future (collectively, the “Initial RSUs”), provided that the Initial RSUs shall vest 50% on the first anniversary of the grant date and 25% after each of the second and third anniversary dates, conditioned upon the continued employment of Executive on such vesting dates and except as otherwise provided in Section 11 below. Except as provided for in this Section 8(a) and in Section 11 below, the Initial RSUs shall be subject to the terms of the LTIP.

b.For each calendar year (other than calendar year 2024) during his employment, Executive will be eligible to receive a grant of performance-based equity, which, as of the Effective Date, is contemplated to be in the form of Restricted Stock Unit Awards (“Performance-Based RSUs”) under the LTIP or a successor plan. Executive’s performance-based target equity opportunity amount (and range of potential payouts, if any) for each calendar year (other than calendar year 2024) will be set by the Company and will be dependent upon the extent to which performance targets established by the Company are or are not achieved for such year.

c.For calendar year 2024, Executive will be eligible to receive a number of performance-based Restricted Stock Units under the LTIP as follows: first, any issuance of Restricted Stock Units to Executive for calendar year 2024 (“2024 RSUs”) will be contingent upon, and a direct function of, the extent to which the previously established performance targets applicable to performance-based equity for senior executives generally for calendar year 2024 are or are not achieved (and with the weightings among such performance targets applied in the same manner for Executive); second, the target dollar amount of the 2024 RSUs (prior to the following proration) shall be equal to 100% of the Base Salary (and with the actual award amount, if any and prior to proration, ranging from 0 to 200% of the target dollar amount, depending upon the extent to which such previously established performance targets for calendar year 2024 are or are not achieved); third, the actual award amount (the “nominal amount”), if any, shall be pro-rated to equal the product of the nominal amount multiplied by a fraction the numerator of which is the number of days from and including the Effective Date to and including December 31, 2024 and the denominator of which is three hundred sixty-five (366); and fourth, the resulting dollar amount shall be converted into a number of earned 2024 RSUs using the Company’s valuation methodology for conversions generally applicable to other senior executives.

d.Any earned 2024 RSUs shall vest in four equal installments on the same vesting schedule as other executive officers of the Company, subject to the continued employment of Executive on such vesting dates and except as otherwise provided

in Section 11 and the LTIP. Except as provided for in this Section 8(d) and in Section 11 below, the Performance-Based RSUs and 2024 RSUs shall be subject to the terms of the LTIP.

e.Each equity award described herein will be subject to additional terms and conditions, not inconsistent with this Agreement, as specified by the administrator of the applicable equity plan and memorialized in a separate award agreement.

9.Benefits; Business Expenses.

a.Executive shall be entitled to participate in Company benefit plans that are generally available to other employees of the Company of similar rank and tenure, in accordance with and subject to the terms and conditions of such plans, as in effect from time to time. These benefits include opportunities to enroll in the Company’s medical, dental, vision, supplemental life insurance and dependent life insurance plans. Moreover, on the first day of the month following three (3) months of continuous employment, Executive may elect to participate in the Company’s 401(k) Salary Savings plan. Executive will be eligible for vacation under the Paid Time Off Policy for other Company executives. In addition, as of the date of this Agreement, the Company offers eligible employees basic life insurance, accidental death and dismemberment (AD&D) insurance, short-term and long-term disability insurance and identity theft protection at no additional cost.

b.The Company will pay or reimburse Executive for all reasonable business expenses incurred or paid by Executive in the performance of his duties and responsibilities for the Company in accordance with the expense reimbursement policies of the Company, as may be amended from time to time.

c.For each calendar year during his employment, Executive shall receive an annual vehicle allowance of $10,100, which shall be paid ratably in accordance with the Company’s standard payroll schedule and subject to applicable deductions and withholdings; provided that the annual vehicle allowance will be pro-rated for calendar year 2024. Executive acknowledges that (except for “excess business mileage” and parking and toll expenses incurred in business travel-related outside of normal commuting, which shall be reimbursable in accordance with Section 9(b)) the annual vehicle allowance is inclusive of all fuel, insurance, maintenance and other costs and expenses associated with his acquisition (whether by lease or otherwise) and maintenance of his selected vehicle and that payments on account of the annual vehicle allowance may result in his receipt of additional taxable income.

Executive will be permitted to enroll in the Company’s healthcare plans upon the commencement of his employment, to the extent permitted by the plans. If the plans do not permit immediate enrollment, then the Company will reimburse Executive for his out-of-pocket

costs of continuing healthcare benefits with his prior employer under the Consolidated Omnibus Budget Reconciliation Act of 1985 (“COBRA”), less the amount Executive would contribute for healthcare benefits for comparable coverage under the Company’s plans, until Executive is eligible to enroll in the Company’s healthcare benefit plans, subject to his continued employment by the Company until the first day of the applicable month.

10.Termination.

a.Executive’s employment hereunder shall terminate on the earliest of: (i) on the date set forth in a written notice to Executive from the Company that Executive’s employment with the Company has been or will be terminated, (ii) on the date not less than 30 days following written notice from Executive to the Company that Executive is resigning from the Company, (iii) on the date of Executive’s death, or (iv) on the date set forth in a written notice to Executive from the Company that Executive’s employment is terminated on account of Executive’s Disability, as determined by the Company. Notwithstanding the foregoing, in the event that Executive gives notice of termination to the Company, the Company may unilaterally accelerate the date of termination and such acceleration shall not constitute a termination by the Company for purposes of this Agreement.

b.Upon cessation of Executive’s employment for any reason, unless otherwise consented to in writing by the Company, Executive will resign immediately from any and all officer, director and other positions Executive then holds with the Company and its affiliates and agrees to execute such documents as may be requested by the Company to confirm that resignation.

c.Upon any cessation of Executive’s employment with the Company, Executive will be entitled only to such compensation and benefits as described in Section 11 below.

d.Executive agrees that, following any cessation of his employment and subject to reimbursement of his reasonable expenses, he will cooperate with the Company and its counsel with respect to any matter (including litigation, investigations, or governmental proceedings) in which Executive was in any way involved during his employment with the Company. Executive agrees to render such cooperation in a timely manner on reasonable notice from the Company, provided the Company exercises reasonable efforts to limit and schedule the need for Executive’s cooperation so as not to materially interfere with his other professional obligations.

e.Executive agrees that, upon any cessation of his employment, he will deliver to the Company (and will not retain in his possession or control, or deliver to anyone else) all property and equipment of the Company, including without limitation (i) all keys, books, records, computer hardware, software, cellphones, access cards, credit cards and identification, and (ii) all other Company materials (including

copies thereof), including without limitation any records, data, notes, reports, proposals, lists or correspondence.

11.Rights Upon Termination.

a.Termination without Cause or Resignation for Good Reason. If Executive’s employment by the Company ceases due to a termination by the Company without Cause (as defined in Section 14) or a resignation by Executive for Good Reason (as defined in Section 14):

i.the Company shall pay to Executive all accrued and unpaid Base Salary through the date of such cessation of employment at the time such Base Salary would otherwise be paid according to the Company’s usual payroll practices;

ii.the Company shall pay to Executive any business expenses that were incurred prior to the date of such cessation of employment but not reimbursed and that are otherwise eligible for reimbursement;

iii.to the extent then unpaid, the Company shall pay to Executive the annual incentive award (if any) earned with respect to the calendar year ended immediately prior to the date of such cessation of employment;

iv.the Company shall make twelve (12) monthly severance payments to Executive, with each payment equal to one-twelfth (1/12) of the Base Salary as in effect immediately prior to such cessation of employment (or, if such cessation is due to the Good Reason described in clause (ii) of that definition, the Base Salary in effect immediately prior to such material diminution); provided, however, that if the cessation of Executive’s employment with the Company due to a termination by the Company without Cause or a resignation by Executive for Good Reason occurs within ninety (90) days preceding or twelve (12) months after the date of a Change in Control (as defined in Section 14), then, in lieu of the foregoing, the number of monthly severance payments shall be changed to eighteen (18), with each payment equal to one-eighteenth (1/18) of 150% of the Base Salary as in effect immediately prior to such cessation of employment (or, if such cessation is due to the Good Reason described in clause (ii) of that definition, the Base Salary in effect immediately prior to such material diminution);

v.the Company shall pay to Executive a lump sum cash payment equal to a pro rata portion of the annual incentive award, if any, that Executive would have earned for the calendar year of his termination based on achievement of the applicable performance targets for such year (the “Terminal Award”) and, for the avoidance of doubt, if and to the extent

that any portion of such achievement is based on subjective or judgmental factors, the Company’s determination of the extent of such achievement (if any) shall be final and binding. The pro-rated portion of the Terminal Award shall be determined by multiplying the Terminal Award by a fraction, the numerator of which is the number of days during which Executive was employed by the Company in the calendar year of his termination of employment and the denominator of which is three hundred sixty-five (365). Notwithstanding the foregoing, if the cessation of Executive’s employment with the Company due to a termination by the Company without Cause or a resignation by Executive for Good Reason occurs within ninety (90) days preceding or twelve (12) months after the date of a Change in Control, then in lieu of the foregoing, Executive shall receive 1.50 times his “base amount,” which “base amount” for Executive as of the Effective Date shall mean Executive’s annual incentive award target amount for the calendar year of Executive’s termination of employment; provided, however, that the formulation of the “base amount” is subject to change if the formulation for the base amount for similarly situated executives who experience a qualifying termination within an specified time window of a Change in Control is hereafter changed to something other than “annual incentive award target amount” for the calendar year of employment termination. Unless the payment is required to be delayed pursuant to Section 12 below, the payment shall be made on the date that annual incentive awards are paid to similarly situated executives (or if later, the Settlement Date (as defined below)), but in no event later than two-and-a-half months following the end of the calendar year in which Executive’s termination date occurs. If a Change in Control occurs and Executive’s employment is terminated, all unearned shares and equity-based Awards shall vest in accordance with the terms of the LTIP;

vi.if, immediately before the cessation of Executive’s employment, Executive participates (other than pursuant to COBRA) in a Company group health plan, then, for the twelve (12) months following the date of such cessation (or, if sooner, upon Executive becomes eligible to obtain coverage under another employer plan), the Company will provide COBRA continuation coverage under such plan to Executive and his spouse at the Company’s expense, if and to the extent they or either of them shall have elected and shall be entitled to receive COBRA continuation coverage. Executive shall provide immediate notice to the Company (i) of such election of COBRA coverage and the date of such entitlement, and (ii) upon Executive becoming eligible for coverage under another employer plan. The Company may impute income to Executive in an amount determined by the Company, in its sole discretion, to the extent the Company determines that such imputation of income is necessary to

mitigate the risk of penalties and/or taxes to Executive or the Company, or to otherwise comply with applicable law; and

vii.Executive will immediately vest solely in (1) all of the Initial RSUs and that have not vested on such cessation date and (2) those Performance-Based RSUs and/or 2024 RSUs earned prior to the date of such cessation of employment and that (but for such cessation of employment) are scheduled to vest during (but not after) the one-year period following such cessation date; and, except as provided in the foregoing clauses (1) and (2), all other unvested and/or unearned Shares and equity-based awards then held by Executive will remain outstanding and held in suspense for ninety (90) days following such termination and (I) if a Change of Control occurs within such ninety (90) day period, then, in such circumstances only, those Shares and equity-based incentive awards shall become fully vested, with any performance-based equity awards then otherwise subject to an open performance period (as of the later of the termination or Change in Control) being deemed earned at the target amount established by the Company in connection with the grant of the applicable performance-based equity awards and (II) if a Change of Control does not occur within such ninety (90) day period, those Shares and equity-based awards shall be forfeited on such ninetieth (90th) day.

Except as and solely to the extent otherwise provided in this Section 11(a), all compensation and benefits will cease at the time of Executive’s cessation of employment and the Company will have no further liability or obligation by reason of such cessation of employment. The payments and benefits described in this Section 11(a) are in lieu of, and are not in addition to, any other severance arrangements maintained by the Company, including but not limited to severance arrangements in Company plans of applicability to other executives. Notwithstanding any provision of this Agreement, the payments and benefits described in Section 11(a)(iii) - 11(a)(vii) are conditioned on Executive’s execution and delivery to the Company and the expiration of all applicable statutory revocation periods, by the 60th day following the effective date of Executive’s cessation of employment, of a general release of claims against the Company and its affiliates in a form and manner satisfactory to the Company (the “Release”) and on Executive’s continued compliance with the provisions of Section 15 below.

Subject to Section 12 below (to the extent applicable) and provided the Release requirement described above has been timely satisfied: (x) the payment described in Section 11(a)(iii) will be paid on the later of the sixty-fifth (65th) day following Executive’s cessation of employment (the “Settlement Date”) or the date such annual incentive award would have otherwise been paid, absent Executive’s cessation of employment, but in no event later than March 15 of the year following the year to which such annual incentive award relates; and (y) the payments described in Section 11(a)(iv) will commence to be paid on the Settlement Date, provided that the initial payment will include any payments that, but for the above-described timing rule, would have otherwise been paid since the date of Executive’s related cessation of employment.

b.Other Terminations. If Executive’s employment with the Company ceases for any reason other than as described in Section 11(a) above (including but not limited to (i) termination by the Company for Cause, (ii) resignation by Executive without Good Reason, (iii) termination as a result of Executive’s Disability (as defined in Section 14), or (iv) Executive’s death), then the Company’s obligation to Executive will be limited solely to the payment of accrued and unpaid Base Salary through the date of such cessation of employment and payment of any business expenses that were previously incurred but not reimbursed and are otherwise eligible for reimbursement. Except as otherwise provided by COBRA, all compensation and benefits will cease at the time of such cessation of employment and the Company will have no further liability or obligation by reason of such termination; and, for the avoidance of doubt, all unvested and/or unearned equity and equity-based awards then held by Executive (including, without limitation, Initial RSUs, 2024 RSUs and Performance-Based RSUs) will be forfeited; provided, however, that, notwithstanding the foregoing, but without limiting Section 11(a), if Executive’s employment with the Company ceases as a result of Executive’s Disability or death then (i) any then unvested Initial RSUs shall thereupon vest and (ii) any other unvested and/or unearned equity and equity-based awards then held by Executive shall vest if and to the extent determined by the Committee at or after the time of the grant of the applicable awards. The foregoing will not be construed to limit Executive’s right to payment or reimbursement for claims incurred prior to the date of such termination under any insurance contract funding an employee benefit plan or arrangement of the Company in accordance with the terms of such insurance contract.

12.Section 409A.

a.The parties intend for this Agreement to comply with or be exempt from Section 409A of the Code, and all provisions of this Agreement will be interpreted and applied accordingly. Nonetheless, the Company does not guaranty the tax treatment of any compensation payable to Executive.

b.Notwithstanding anything to the contrary in this Agreement, no portion of the benefits or payments to be made under Section 11(a) or 11(b)(ii) above will be payable until Executive has a “separation from service” from the Company within the meaning of Section 409A of the Code. In addition, to the extent compliance with the requirements of Treas. Reg. § 1.409A-3(i)(2) (or any successor provision) is necessary to avoid the application of an additional tax under Section 409A of the Code to payments due to Executive upon or following his “separation from service,” then notwithstanding any other provision of this Agreement (or any otherwise applicable plan, policy, agreement or arrangement), any such payments that are otherwise due within six months following Executive’s “separation from service” (taking into account the preceding sentence of this paragraph) will be deferred without interest and paid to Executive in a lump sum immediately following that six month period. This paragraph should not be construed to

prevent the application of Treas. Reg. § 1.409A-1(b)(9)(iii) (or any successor provision) to amounts payable hereunder. For purposes of the application of Section 409A of the Code, each payment in a series of payments will be deemed a separate payment.

c.Notwithstanding anything in this Agreement to the contrary, to the extent an expense, reimbursement or in-kind benefit provided to Executive pursuant to this Agreement or otherwise constitutes a “deferral of compensation” within the meaning of Section 409A of the Code: (i) the amount of expenses eligible for reimbursement or in-kind benefits provided to Executive during any calendar year will not affect the amount of expenses eligible for reimbursement or in-kind benefits provided to Executive in any other calendar year, (ii) the reimbursements for expenses for which Executive is entitled to be reimbursed shall be made on or before the last day of the calendar year following the calendar year in which the applicable expense is incurred, and (iii) the right to payment or reimbursement or in-kind benefits hereunder may not be liquidated or exchanged for any other benefit.

13.Section 280G. Notwithstanding any contrary provision of this Agreement (or any plan, policy, agreement or other arrangement covering Executive), if any payment, right or benefit paid, provided or due to Executive, whether pursuant to this Agreement or otherwise (each, a “Payment,” and collectively, the “Total Payments”), would subject Executive to the excise tax imposed by Section 4999 of the Code (the “Excise Tax”), then the Total Payments will be reduced to the minimum extent necessary to avoid the imposition of the Excise Tax, but only if (i) the amount of such Total Payments, as so reduced, is greater than or equal to (ii) the amount of such Total Payments without reduction (in each case, determined by the Company on an after-tax basis). Any reduction of the Total Payments required by this paragraph will be implemented by determining the Parachute Ratio (as defined below and determined by the Company) for each Payment and then by reducing the Payments in order, beginning with the Payment with the highest Parachute Ratio. For Payments with the same Parachute Ratio, later Payments will be reduced before earlier Payments. For Payments with the same Parachute Ratio and the same time of payment, each Payment will be reduced proportionately. For purposes of this paragraph, “Parachute Ratio” means a fraction, (x) the numerator of which is the value of the applicable Payment, as calculated for purposes of Section 280G of the Code, and (y) the denominator of which is the economic value of the applicable Payment.

14.Certain Definitions. For purposes of this Agreement:

a.“Cause” means any of the following: (i) failure of Executive to perform his duties and responsibilities to the Company (other than by reason of Executive’s physical or mental illness, incapacity or disability) which has continued for more than thirty (30) days following written notice of such non-performance from the Company; (ii) misconduct by Executive in connection with the performance of his duties and responsibilities to the Company, including, without limitation, a breach

of fiduciary duties or a misappropriation of funds or property; (iii) the commission by Executive of any felony; (iv) the commission by Executive of a misdemeanor involving moral turpitude, deceit, dishonesty or fraud; (v) any conduct by Executive that would reasonably be expected to result in injury or reputational harm to the Company or any of its subsidiaries and affiliates; (vi) a breach by Executive of any agreement with the Company or its affiliates, which breach is not cured (if curable) within thirty (30) days after the delivery of written notice thereof (provided that if any such agreement includes a cure period and if such cure period is less than thirty (30) days, such shorter cure period shall apply); (vii) a violation by Executive of the Company’s written employment policies, which violation is not cured (if curable) within thirty (30) days after the delivery of written notice thereof (provided that if any such policies include a cure period and if such cure period is less than thirty (30) days, such shorter cure period shall apply); or (viii) Executive’s failure to cooperate with a bona fide internal investigation or an investigation by regulatory or law enforcement authorities, after being instructed by the Company to cooperate, or the willful destruction or failure to preserve documents or other materials known to be relevant to such investigation or the inducement of others to fail to cooperate or to produce documents or other materials in connection with such investigation. In regard to each of those clauses in this definition of “Cause” that afford Executive a “cure right,” such cure right shall apply solely to the first failure, breach or violation by Executive that gives rise to the cure right and shall not apply to any repeat or subsequent failure, breach or violation involving similar actions or omissions, whether or not related to the first failure, breach or violation. For avoidance of doubt, a termination of Executive’s employment due to his Disability will not constitute a termination without Cause.

b.“Change in Control” has the meaning given to this term in the LTIP.

c.“Code” means the Internal Revenue Code of 1986, as amended.

d.“Disability” means a condition entitling Executive to benefits under the Company’s long term disability plan, policy or arrangement; provided, however, that if no such plan, policy or arrangement is then maintained by the Company and applicable to Executive, “Disability” will mean Executive’s inability to perform his duties under this Agreement due to a mental or physical condition (other than alcohol or substance abuse) that can be expected to result in death or that can be expected to last (or has already lasted) for a continuous period of 90 days or more, or for 120 days in any 180 consecutive-day period. Termination as a result of a Disability will not be construed as a termination by the Company “without Cause.”

e.“Good Reason” means: (i) a reduction in the Base Salary that exceeds ten percent (10%) of the Base Salary as in effect immediately prior to the reduction (excluding, however, the impact of across-the-board salary reductions similarly

affecting other senior executives of the Company); (ii) an annual cash incentive target opportunity amount set at less than 40% of the Base Salary (excluding, however, the impact of across-the-board reductions to annual incentive target opportunity amounts similarly affecting other senior executives of the Company); (iii) an annual equity incentive target opportunity amount (as measured using the same valuation methodology generally applicable to other senior executives) set at less than 70% of the Base Salary (excluding, however, the impact of across-the-board reductions to equity incentive target opportunity amounts similarly affecting other senior executives of the Company); (iv) a Company-mandated relocation of Executive’s principal place of employment to a location that is more than 50 miles from Princeton Junction, New Jersey; or (v) the material breach of this Agreement by the Company; provided, however, that no such event will constitute Good Reason unless (x) Executive provides the Company with written objection to such event within 30 days after the initial occurrence thereof, (y) such event is not reversed or corrected by the Company within 30 days of its receipt of such written objection, and (z) Executive separates from service within 30 days following the expiration of that cure period.

15.Restrictive Covenants.

a.Access to Secret and Confidential Information. The Company has furnished and shall furnish to Executive secret and confidential information with respect to the Company and its affiliates (collectively “Secret and Confidential Information”), to which Executive would not otherwise have access and of which Executive would not otherwise have knowledge. Secret and Confidential Information includes, without limitation, technical and business information, whether patentable or not, which is of a confidential, trade secret or proprietary character, and which is either developed by Executive alone, with other or by others; lists of customers; identity of customers; identity of prospective customers; contract terms; bidding information and strategies; pricing methods or information; computer software; computer software methods and documentation; hardware; methods of operation; the procedures, forms and techniques used in servicing accounts; and other information or documents that the Company or any of its affiliates requires to be maintained in confidence for its or their continued business success.

b.Non-Disclosure of Secret and Confidential Information.

i.Executive shall not, during the period of his employment with the Company or at any time thereafter, disclose to anyone, including, without limitation, any person, firm, corporation, or other entity, or publish, or use for any purpose, any Secret and Confidential Information, except as properly required in the ordinary course of the Company’s business or as directed and authorized by the Company or as required by court order, law or subpoena, or other legal compulsion to disclose, it being understood

that information that is known generally in the industry or is otherwise available to the public (other than as a result of a violation of Executive’s obligation under this Section 15) shall not be considered Secret and Confidential Information.

ii.Notwithstanding the foregoing, pursuant to 18 U.S.C. Section 1833(b), Executive shall not be held criminally or civilly liable under any Federal or State trade secret law for the disclosure of a trade secret that: (A) is made in confidence to a Federal, State, or local government official, either directly or indirectly, or to an attorney, and solely for the purpose of reporting or investigating a suspected violation of law; or (B) is made in a complaint or other document filed in a lawsuit or other proceeding, if such filing is made under seal.

iii.Similarly, notwithstanding anything herein to the contrary, Executive understands that this Agreement will not (1) prohibit him from making reports of possible violations of federal law or regulation to any governmental agency or entity in accordance with the provisions of and rules promulgated under Section 21F of the Securities Exchange Act of 1934, as amended, or Section 806 of the Sarbanes-Oxley Act of 2002, or of any other whistleblower protection provisions of federal law or regulation, or (2) require notification or prior approval by the Company of any such report; provided that, Executive is not authorized to disclose communications with counsel that were made for the purpose of receiving legal advice or that contain legal advice or that are protected by the attorney work product or similar privilege.

c.Duty to Return Company Documents and Property. Upon the termination of Executive’s employment with the Company for any reason, Executive shall immediately return and deliver to the Company any and all papers, books, records, documents, memoranda and manuals, e-mail, electronic or magnetic recordings or data, including all copies thereof, belonging to the Company or relating to its business, in Executive’s possession or control, whether prepared by Executive or others. If at any time after the termination of employment, Executive determines that he has any Secret and Confidential Information in his possession or control, Executive shall immediately return to the Company all such Secret and Confidential Information, including all copies and portions thereof.

d.Inventions. Any and all writings, computer software, inventions, improvements, processes, procedures and/or techniques which Executive may make, conceive, discover, or develop, either solely or jointly with any other person or persons, at any time during the term of his employment, whether at the request or upon the suggestion of the Company or otherwise, which relate to or are useful in connection with any business now or hereafter carried on or contemplated by the Company, including developments or expansions of its present fields of

operations, shall be the sole and exclusive property of the Company. Executive shall take all actions necessary so that the Company can prepare and present applications for copyright or letters patent therefor, and can secure such copyright or letters patent wherever possible, as well as reissue renewals, and extensions thereof, and can obtain the record title to such copyright or patents. Executive shall not be entitled to any additional or special compensation or reimbursement regarding any such writings, computer software, inventions, improvements, processes, procedures and techniques. Executive acknowledges that the Company from time to time may have agreements with other persons or entities which impose obligations or restrictions on the Company regarding inventions made during the course of work thereunder or regarding the confidential nature of such work. Executive shall be bound by all such obligations and restrictions and take all action necessary to discharge the obligations of the Company.

e.Non-Solicitation and Non-Competition Restrictions. To protect the Company’s Secret and Confidential Information, and in the event of Executive’s termination of employment for any reason whatsoever, whether by Executive or the Company, Executive will be subject to the following restrictive covenants during and for the stated period following the termination of his employment.

i.Non-Competition. For one (1) year following the cessation of Executive’s employment with the Company for any reason, Executive shall not, without the prior written consent of the Company, knowingly or intentionally (1) personally engage in Competitive Activities (as defined below) or (2) work for, own, manage, operate, control, or participate in the ownership, management, operation, or control of, or provide consulting or advisory services to, any person, partnership, firm, corporation, institution or other entity engaged in Competitive Activities, or any company or person affiliated with such person or entity engaged in Competitive Activities; provided that Executive’s purchase or holding, for investment purposes, of securities of a publicly traded company shall not constitute “ownership” or “participation in the ownership” for purposes of this paragraph so long as such equity interest in any such company is not more than 2% of the value of the outstanding stock or 2% of the outstanding voting securities of said publicly traded company. For the avoidance of doubt, this Section 15(e)(i) shall not prohibit Executive from being employed by, or providing services to, a consulting firm, provided that Executive does not personally engage in Competitive Activities or provide consulting or advisory services to any individual, partnership, firm, corporation, institution or other entity engaged in Competitive Activities, or any person entity affiliated with such individual, partnership, firm, corporation, institution or other entity engaged in Competitive Activities.

ii.Competitive Activities. For the purposes hereof, the term “Competitive Activities” means activities relating to products or services of the same or

similar type as the products or services which are sold (or, pursuant to an existing business plan, will be sold) to paying customers of the Company or any affiliate. Notwithstanding the previous sentence, an activity shall not be treated as a Competitive Activity if the geographic marketing area of the relevant products or services does not overlap with the geographic marketing area for the applicable products and services of the Company and its affiliates.

iii.Interference With Business Relations. For two (2) years following the termination of Executive’s employment with the Company, Executive shall not, without the prior written consent of the Company, knowingly or intentionally, directly or indirectly: (1) recruit, induce or solicit any individual who is or who, within the preceding six (6) months, was a non-clerical employee of the Company (including any of its subsidiaries) for employment or for retention as a consultant or service provider, or hire any such individual; or (2) solicit or induce any client, customer, or prospect of the Company (including any subsidiary of the Company) (x) to cease being, or not to become, a customer of the Company (or any such subsidiary), or (y) to divert any business of such customer or prospect from the Company (or any such subsidiary).

f.Reformation. If a court concludes that any time period and/or the geographic area specified in Section 15(e) is unenforceable, then the time period will be reduced by the number of months, or the geographic area will be reduced by the elimination of the overbroad portion, or both, as the case may be, so that the restrictions may be enforced in the geographic area and for the time to the fullest extent permitted by law.

g.Remedies. Executive acknowledges and agrees that, in view of the nature of the Company’s business, the restrictions contained in this Section 15 of the Agreement are reasonable and necessary to protect the Company’s legitimate business interests and that any violation of these restrictions would result in irreparable injury to the Company. In the event of a breach or a threatened breach by Executive of any restrictive covenant contained herein, the Company shall be entitled to a temporary restraining order and injunctive relief restraining Executive from the commission of any breach, and to recover the Company’s attorneys’ fees, costs and expenses related to the breach or threatened breach. Nothing contained herein shall be construed as prohibiting the Company from pursuing any other remedies available to it for any breach or threatened breach, including, without limitation, the other remedies specified in this Agreement and/or the recovery of money damages, attorneys' fees, and costs. These covenants and restrictions shall each be construed as independent of any other provisions in the Agreement, and the existence of any claim or cause of action by Executive against the Company, whether predicated on this Agreement or otherwise, shall

not constitute a defense to the enforcement by the Company of such covenants and restrictions.

h.Severability. Should a court determine that any paragraph or sentence, or any portion of a paragraph or sentence of this Section 15 is invalid, unenforceable or void, this determination shall not have the effect of invalidating the remainder of the paragraph, sentence or any other provision of this Section 15. Further, it is intended that the court should construe this Section 15 by limiting and reducing it only to the extent necessary to be enforceable under then applicable law, taking into account the intent of the parties.

i.Future Employment. If, before the expiration of the period covered by Section 15(e)(iii) hereof, Executive seeks or is offered employment or engagement by any other company, firm, person or entity, Executive shall provide a copy of this Section 15 to the prospective service recipient before accepting employment with that prospective employer.

16.No Duty to Mitigate. Except as otherwise specifically provided herein, Executive’s entitlement to payments or benefits upon or following the termination of his employment will not be subject to mitigation or a duty to mitigate by Executive.

17.No Conflicting Agreements. Executive represents and warrants that he is not a party to or otherwise bound by any agreement or restriction that could conflict with, or be violated by, the performance of his duties to the Company or his obligations under this Agreement. Executive will not use or misappropriate any intellectual property, trade secrets or confidential information belonging to any third party.

18.Taxes. All compensation payable to Executive is subject to reduction to reflect applicable withholding and payroll taxes and other deductions required by law. Executive hereby acknowledges that the Company does not have a duty to design its compensation policies in a manner that minimizes Executive’s tax liabilities, and Executive not make any claim against the Company or its board of directors related to tax liabilities arising from his compensation.

19.Entire Agreement; Assignment; Amendment.

a.This Agreement, including the exhibits, schedules and other documents referred to herein, constitutes the final and entire agreement of the parties with respect to the matters covered hereby and supersedes any prior and/or contemporaneous agreements, discussions, negotiations, representations or understandings (whether written, oral or implied) relating to the subject matter hereof.

b.The rights and obligations of Executive hereunder are personal and may not be assigned. The Company may assign this Agreement, and its rights and obligations hereunder, to any entity to which the Company transfers substantially all of its

assets (or an affiliate thereof). Notwithstanding any other provision of this Agreement, any such assignment of this Agreement by the Company will not entitle Executive to severance benefits under Section 11(a) or otherwise, whether or not Executive accepts employment with the assignee.

c.This Agreement may be amended or modified only by a written instrument signed by a duly authorized officer of the Company and Executive.

20.Arbitration. In the event of any dispute under the provisions of this Agreement or otherwise regarding Executive’s employment or compensation (other than a dispute in which the primary relief sought is an injunction or other equitable remedy, such as an action to enforce compliance with Section 15), the parties shall be required to have the dispute, controversy or claim settled by arbitration in Princeton Junction, New Jersey in accordance with the National Rules for the Resolution of Employment Disputes then in effect of the American Arbitration Association (“AAA”), by one arbitrator mutually agreed upon by the parties (or, if no agreement can be reached within thirty (30) days after names of potential arbitrators have been proposed by the AAA, then by one arbitrator having relevant experience who is chosen by the AAA). Any award or finding will be confidential. The arbitrator may not award attorneys’ fees to either party unless a statute or contract at issue specifically authorizes such an award. Any award entered by the arbitrators will be final, binding and non-appealable and judgment may be entered thereon by either party in accordance with applicable law in any court of competent jurisdiction. This arbitration provision will be specifically enforceable. Each party will be responsible for its own expenses relating to the conduct of the arbitration (including reasonable attorneys’ fees and expenses) and will share equally the fees of the arbitrator.

21.Notices. All notices, demands or other communications hereunder shall be in writing and shall be deemed to have been duly given if delivered in person, by e-mail or fax, by United States mail, certified or registered with return receipt requested, or by a nationally recognized overnight courier service, or otherwise actually delivered: (a) if to Executive, at the most recent address contained in the Company’s personnel files; (b) if to the Company, to the attention of its Legal Department at the address of its principal executive office; or (c) or at such other address as may have been furnished by such person in writing to the other party. Any such notice, demand or communication shall be deemed given on the date given, if delivered in person, e-mailed or faxed, on the date received, if given by registered or certified mail, return receipt requested or by overnight delivery service, or three days after the date mailed, if otherwise given by first class mail, postage prepaid.

22.Headings. The headings of the sections of this Agreement are inserted for convenience only and shall not affect the meaning of this Agreement.

23.Governing Law. This Agreement shall be governed by and construed in accordance with the internal laws of the State of New Jersey, without regard to its choice of law provisions.

24.Counterparts. This Agreement may be executed in separate counterparts, any one of which need not contain signatures of more than one party, but all of which taken together will constitute one and the same Agreement.

[Signature Page Follows]

This Agreement has been executed and delivered on the date first above written.

MISTRAS GROUP, INC.

By:

Name: _________________________

Title: ___________________________

EXECUTIVE

_______________________

Hani Hammad

EX-31.1

Exhibit 31.1

CERTIFICATION PURSUANT TO RULE 13A-14(a) OF THE SECURITIES

EXCHANGE ACT OF 1934

I, Manuel N. Stamatakis, certify that:

1.I have reviewed this report on Form 10-Q of Mistras Group, 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(s) 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(s) 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 3, 2024

/s/ Manuel N. Stamatakis

Manuel N. Stamatakis

Chairman and Interim President and Chief Executive Officer

(Principal Executive Officer)

EX-31.2

Exhibit 31.2

CERTIFICATION PURSUANT TO RULE 13A-14(a) OF THE SECURITIES

EXCHANGE ACT OF 1934

I, Edward J. Prajzner, certify that:

1.I have reviewed this report on Form 10-Q of Mistras Group, 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(s) 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(s) 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 3, 2024

/s/ Edward J. Prajzner

Edward J. Prajzner

Senior Executive Vice President and Chief Financial Officer

(Principal Financial Officer and Principal Accounting Officer)

EX-32.1

Exhibit 32.1

CERTIFICATION PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

Each of the undersigned hereby certifies, for the purposes of section 1350 of chapter 63 of title 18 of the United States Code, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, in his capacity as an officer of Mistras Group, Inc. (the “Company”), that, to his knowledge, the Quarterly Report on Form 10-Q of the Company for the quarter ended March 31, 2024 (the “Report”), fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 and that the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company. This written statement is being furnished to the Securities and Exchange Commission as an exhibit to the Report.

Dated: May 3, 2024

/s/ Manuel N. Stamatakis

Manuel N. Stamatakis

Chairman and Interim President and Chief Executive Officer

(Principal Executive Officer)

/s/ Edward J. Prajzner

Edward J. Prajzner

Senior Executive Vice President and Chief Financial Officer

(Principal Financial Officer and Principal Accounting Officer)

XML

Cover - shares	3 Months Ended
	Mar. 31, 2024	May 01, 2024
Cover [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Mar. 31, 2024
Document Transition Report	false
Entity File Number	001-34481
Entity Registrant Name	Mistras Group, Inc.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	22-3341267
Entity Address, Address Line One	195 Clarksville Road
Entity Address, City or Town	Princeton Junction,
Entity Address, State or Province	NJ
Entity Address, Postal Zip Code	08550
City Area Code	609
Local Phone Number	716-4000
Title of 12(b) Security	Common Stock, $0.01 par value
Trading Symbol	MG
Security Exchange Name	NYSE
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		30,966,973
Entity Central Index Key	0001436126
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2024
Document Fiscal Period Focus	Q1

XML

Unaudited Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Current Assets
Cash and cash equivalents	$ 16,855	$ 17,646
Accounts receivable, net	140,404	132,847
Inventories	15,079	15,283
Prepaid expenses and other current assets	14,632	14,580
Total current assets	186,970	180,356
Property, plant and equipment, net	79,702	80,972
Intangible assets, net	42,660	43,994
Goodwill	185,726	187,354
Deferred income taxes	2,647	2,316
Other assets	44,422	39,784
Total assets	542,127	534,776
Current Liabilities
Accounts payable	15,629	17,032
Accrued expenses and other current liabilities	84,475	84,331
Current portion of long-term debt	9,464	8,900
Current portion of finance lease obligations	4,907	5,159
Income taxes payable	406	1,101
Total current liabilities	114,881	116,523
Long-term debt, net of current portion	188,962	181,499
Obligations under finance leases, net of current portion	11,151	11,261
Deferred income taxes	2,685	2,552
Other long-term liabilities	36,983	32,438
Total liabilities	354,662	344,273
Commitments and contingencies (Note 14)
Equity
Preferred stock, 10,000,000 shares authorized	0	0
Common stock, $0.01 par value, 200,000,000 shares authorized, 30,910,552 and 30,597,633 shares issued and outstanding	328	305
Additional paid-in capital	247,329	247,165
Accumulated deficit	(27,947)	(28,942)
Accumulated other comprehensive loss	(32,565)	(28,336)
Total Mistras Group, Inc. stockholders’ equity	187,145	190,192
Non-controlling interests	320	311
Total equity	187,465	190,503
Total liabilities and equity	$ 542,127	$ 534,776

XML

Unaudited Condensed Consolidated Balance Sheets (Parenthetical) - $ / shares	Mar. 31, 2024	Dec. 31, 2023
Statement of Financial Position [Abstract]
Preferred stock, shares authorized (in shares)	10,000,000	10,000,000
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	200,000,000	200,000,000
Common stock, shares issued (in shares)	30,910,552	30,597,633
Common stock, shares outstanding (in shares)	30,910,552	30,597,633

XML

Unaudited Condensed Consolidated Statements of Income (Loss) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Income Statement [Abstract]
Revenue	$ 184,442	$ 168,016
Cost of revenue	127,418	116,051
Depreciation	5,934	5,888
Gross profit	51,090	46,077
Selling, general and administrative expenses	41,189	42,823
Reorganization and other costs	1,557	2,076
Research and engineering	343	480
Depreciation and amortization	2,447	2,525
Acquisition-related expense, net	1	3
Income (loss) from operations	5,553	(1,830)
Interest expense	4,430	4,068
Income (loss) before provision (benefit) for income taxes	1,123	(5,898)
Provision (benefit) for income taxes	119	(920)
Net income (loss)	1,004	(4,978)
Less: net income attributable to noncontrolling interests, net of taxes	9	8
Net income (loss) attributable to Mistras Group, Inc.	$ 995	$ (4,986)
Earnings (loss) per common share
Basic (in dollars per share)	$ 0.03	$ (0.17)
Diluted (in dollars per share)	$ 0.03	$ (0.17)
Weighted-average common shares outstanding:
Basic (in shares)	30,680	30,021
Diluted (in shares)	31,356	30,021

XML

Unaudited Condensed Consolidated Statements of Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 1,004	$ (4,978)
Other comprehensive loss:
Foreign currency translation adjustments	(4,229)	1,273
Comprehensive Loss	(3,225)	(3,705)
Less: net income attributable to noncontrolling interests, net of taxes	9	8
Comprehensive loss attributable to Mistras Group, Inc.	$ (3,234)	$ (3,713)

XML

Unaudited Condensed Consolidated Statements of Equity - USD ($)	Total	Total Mistras Group, Inc. Stockholders’ Equity	Common Stock	Additional paid-in capital	Accumulated deficit	Accumulated other comprehensive loss	Noncontrolling Interest
Beginning balance (in shares) at Dec. 31, 2022			29,895,000
Beginning balance at Dec. 31, 2022	$ 198,749,000	$ 198,450,000	$ 298,000	$ 243,031,000	$ (11,489,000)	$ (33,390,000)	$ 299,000
Increase (Decrease) in Stockholders' Equity
Net income (loss)	(4,978,000)	(4,986,000)			(4,986,000)		8,000
Other comprehensive loss, net of tax	1,273,000	1,273,000				1,273,000
Share-based payments	1,877,000	1,877,000		1,877,000
Net settlements of restricted stock units (in shares)			335,000
Net settlement of restricted stock units	(773,000)	(773,000)	$ 4,000	(777,000)
Ending balance (in shares) at Mar. 31, 2023			30,230,000
Ending balance at Mar. 31, 2023	196,148,000	195,841,000	$ 302,000	244,131,000	(16,475,000)	(32,117,000)	307,000
Beginning balance (in shares) at Dec. 31, 2023			30,598,000
Beginning balance at Dec. 31, 2023	190,503,000	190,192,000	$ 305,000	247,165,000	(28,942,000)	(28,336,000)	311,000
Increase (Decrease) in Stockholders' Equity
Net income (loss)	1,004,000	995,000			995,000		9,000
Other comprehensive loss, net of tax	(4,229,000)	(4,229,000)				(4,229,000)
Share-based payments	1,228,000	1,228,000		1,228,000
Net settlements of restricted stock units (in shares)			313,000
Net settlement of restricted stock units	(1,041,000)	(1,041,000)	$ 23,000	(1,064,000)
Ending balance (in shares) at Mar. 31, 2024			30,911,000
Ending balance at Mar. 31, 2024	$ 187,465,000	$ 187,145,000	$ 328,000	$ 247,329,000	$ (27,947,000)	$ (32,565,000)	$ 320,000

XML

Unaudited Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Cash flows from operating activities
Net income (loss)	$ 1,004	$ (4,978)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities
Depreciation and amortization	8,381	8,413
Deferred income taxes	(144)	1,801
Share-based compensation expense	1,228	1,877
Bad debt provision for troubled customers, net of recoveries	227	(30)
Foreign currency (gain) loss	(561)	219
Other	15	(315)
Changes in operating assets and liabilities, net of effect of acquisitions and dispositions
Accounts receivable	(8,696)	3,777
Inventories	(23)	(1,137)
Prepaid expenses and other assets	(6,593)	(4,234)
Accounts payable	(1,219)	992
Accrued expenses and other liabilities	6,905	(766)
Income taxes payable	80	(248)
Payment of contingent consideration liability in excess of acquisition-date fair value	0	(938)
Net cash provided by operating activities	604	4,433
Cash flows from investing activities
Purchase of property, plant and equipment	(4,804)	(4,332)
Purchase of intangible assets	(1,117)	(361)
Proceeds from sale of equipment	273	233
Net cash used in investing activities	(5,648)	(4,460)
Cash flows from financing activities
Repayment of finance lease obligations	(1,409)	(1,174)
Repayment of long-term debt	(1,907)	(1,904)
Proceeds from revolver	15,000	27,000
Repayment of revolver	(5,000)	(27,100)
Taxes paid related to net share settlement of share-based awards	(1,557)	(773)
Net cash provided by (used in) financing activities	5,127	(3,951)
Effect of exchange rate changes on cash and cash equivalents	(874)	207
Net change in cash and cash equivalents	(791)	(3,771)
Cash and cash equivalents at beginning of period	17,646	20,488
Cash and cash equivalents at end of period	16,855	16,717
Supplemental disclosure of cash paid
Interest, net	4,029	5,112
Income taxes, net of refunds	756	1,949
Noncash investing and financing
Equipment acquired through finance lease obligations	$ 1,165	$ 2,800

XML

Description of Business and Basis of Presentation

3 Months Ended

Mar. 31, 2024

Accounting Policies [Abstract]

Description of Business and Basis of Presentation

Description of Business and Basis of Presentation

Description of Business

Mistras Group, Inc., together with its subsidiaries (the "Company") is a leading "one source" multinational provider of integrated technology-enabled asset protection solutions, helping to maximize the safety and operational uptime for civilization’s most critical industrial and civil assets.

Backed by an innovative, data-driven asset protection portfolio, proprietary technologies, and decades-long legacy of industry leadership, the Company helps clients with asset-intensive infrastructure in the oil and gas, aerospace and defense, industrials, power generation and transmission (including alternative and renewable energy), other process industries and infrastructure, research and engineering and other industries towards achieving and maintaining operational excellence. By supporting these organizations that help fuel our vehicles and power our society; inspecting components that are trusted for commercial, defense, and space craft; and building real-time monitoring systems to help avoid catastrophic incidents, the Company helps the world at large.

The Company enhances value for its clients by integrating asset protection throughout supply chains and centralizing integrity data through a suite of Industrial Internet of Things ("IoT")-connected digital software and monitoring solutions, including OneSuite™, which serves as an ecosystem platform, pulling together all of the Company’s software and data services capabilities, for the benefit of its customers.

The Company’s core capabilities also include non-destructive testing (“NDT”) field inspections enhanced by advanced robotics, laboratory quality control, laboratory materials services, shop laboratory assurance testing, sensing technologies and NDT equipment, asset and mechanical integrity engineering services, and light mechanical maintenance and access services.

The Company has three operating segments. Our segments are as follows:

•North America. This segment provides asset protection solutions predominantly in North America, with the largest concentration in the United States, followed by Canada, consisting primarily of NDT, inspection, mechanical and engineering services that are used to evaluate the safety, structural integrity and reliability of critical energy, industrial and public infrastructure and commercial aerospace components. Software, digital and data services are included in this segment.

•International. This segment offers services, products and systems similar to those of the other segments to select markets within Europe, the Middle East, Africa, Asia and South America, but not to customers in China and South Korea, which are served by the Products and Systems segment.

•Products and Systems. This segment designs, manufactures, sells, installs and services the Company’s asset protection products and systems, including equipment and instrumentation, predominantly in the United States.

Recent Developments

Overall, the Company has taken actions to help ensure the health and safety of Company employees and those of its customers and suppliers; maintain business continuity and financial strength and stability; and serve customers as they provide essential products and services to the world.

The Russian-Ukrainian war and the conflict in the Middle East between Israel and Hamas continues to create disruptions in the oil and gas market and the supply chain in general, which is resulting in some disruption to our business operations. The Company’s European operations are currently experiencing increased costs associated with higher energy costs, among others, due in part to the Russian-Ukrainian war.

The Company is currently unable to predict with certainty the overall impact that the factors discussed above and the effect of inflationary pressures may have on its business, results of operations or liquidity or in other ways which the Company cannot yet determine. The Company will continue to monitor market conditions and respond accordingly.

Basis of Presentation

The Unaudited Condensed Consolidated Financial Statements contained in this report have been prepared in conformity with U.S. generally accepted accounting principles ("GAAP") and Securities and Exchange Commission ("SEC") guidance allowing for reduced disclosure for interim periods. In the opinion of management, the Unaudited Condensed Consolidated Financial Statements include all adjustments, which are of a normal recurring nature, necessary for a fair presentation of the results for the interim periods of the years ending December 31, 2024 and December 31, 2023.

Certain items included in these statements are based on management’s estimates. Actual results may differ from those estimates. The results of operations for any interim period are not necessarily indicative of the results expected for the year. The accompanying Unaudited Condensed Consolidated Financial Statements should be read in conjunction with the notes to the Audited Consolidated Financial Statements contained in the Company's 2023 Annual Report on Form 10-K ("2023 Annual Report").

Principles of Consolidation

The accompanying Unaudited Condensed Consolidated Financial Statements include the accounts of Mistras Group, Inc. as well as its wholly-owned subsidiaries, majority-owned subsidiaries and consolidated variable interest entities (VIE). For subsidiaries in which the Company’s ownership interest is less than 100%, the non-controlling interests are reported in stockholders’ equity in the accompanying Condensed Consolidated Balance Sheets. The non-controlling interests in net results, net of tax, is classified separately in the accompanying Unaudited Condensed Consolidated Statements of Income (Loss). All significant intercompany accounts and transactions have been eliminated in consolidation. The results of operations of companies acquired are included from the date of acquisition.

Reclassification

Certain amounts in prior periods have been reclassified to conform to the current year presentation. Such reclassifications did not have a material effect on the Company's financial condition or results of operations as previously reported.

Significant Accounting Policies

The Company’s significant accounting policies are disclosed in Note 1–Summary of Significant Accounting Policies and Practices in the 2023 Annual Report. On an ongoing basis, the Company evaluates its estimates and assumptions, including among other things, those related to revenue recognition, long-lived assets, goodwill and acquisitions. Since the date of the 2023 Annual Report, there have been no material changes to the Company's significant accounting policies.

Income Taxes

Income taxes are accounted for under the asset and liability method. We recognize deferred tax assets and liabilities at enacted income tax rates for the temporary differences between the financial reporting bases and the tax bases of our assets and liabilities. Any effects of changes in income tax rates or tax laws are included in the provision for income taxes in the period of enactment. Our net deferred tax assets primarily consist of net operating loss carry forwards, or NOLs. A valuation allowance is provided if it is more likely than not that some or all or all of a deferred income tax asset will not be realized. A current tax liability or asset is recognized for the estimated taxes payable or refundable on tax returns for the current and prior years.

As of March 31, 2024, management concluded that it is more likely than not that a substantial portion of the Company's deferred tax assets will be realized.

We recognize the tax benefit from an uncertain tax position only if it is more likely than not that the tax position will be sustained on examination by the taxing authorities, based on the technical merits of the position. The tax benefits recognized in the financial statements from such a position are measured based on the largest benefit that has a greater than 50% likelihood of being realized upon ultimate resolution.

The Company’s effective income tax rate was approximately 10.6% and 15.6% for the three months ended March 31, 2024 and 2023, respectively. The effective income tax rate benefit for the three months ended March 31, 2024 was lower than the statutory rate primarily due to the impact of a favorable discrete item related to stock compensation.

Recent Accounting Pronouncements

In November 2023, the Financial Accounting Standards Board ("FASB") issued ASU 2023-07, Segment Reporting (Topic 280) to expand the disclosures about a public entity's reportable segments and address requests from investors for additional, more detailed information about a reportable segment's expenses. The new standard is effective for fiscal years beginning after December 15, 2023, and interim periods within fiscal years beginning after December 15, 2024. We are currently evaluating the impact of ASU 2023-07 on our financial statements.

In December 2023, the FASB issued ASU 2023-09, Income Taxes (Topic 740) to enhance the transparency and decision usefulness of income tax disclosures, primarily related to the rate reconciliation and income taxes paid disclosures. The new standard is effective for fiscal years beginning after December 15, 2024. We are currently evaluating the impact of ASU 2023-09 on our financial statements.

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Revenue

3 Months Ended

Mar. 31, 2024

Revenue from Contract with Customer [Abstract]

Revenue

Revenue

The Company derives the majority of its revenue by providing services on a time and material basis, and are short-term in nature. The Company accounts for revenue in accordance with ASC Topic 606, Revenue from Contracts with Customers.

Performance Obligations

The Company provides highly integrated and bundled inspection services to its customers. The majority of the Company's contracts have a single performance obligation as the promise to transfer the individual goods or services is not separately identifiable from other promises in the contracts and is, therefore, not distinct. For contracts with multiple performance obligations, the Company allocates the contract’s transaction price to each performance obligation using the Company's best estimate of the standalone selling price of each distinct good or service in the contract. The primary method used to estimate standalone selling price is a relative selling price based on price lists.

Contract modifications are not routine in the performance of the Company's contracts. Generally, when contracts are modified, the modification is to account for changes in scope to the goods and services that are provided. In most instances, contract modifications are for goods or services that are distinct, and, therefore, are accounted for as a separate contract.

The Company's performance obligations are satisfied over time as work progresses or at a point in time. The majority of the Company's revenue is recognized over time as work progresses for the Company's service deliverables, which includes providing testing, inspection and mechanical services to our customers. Revenue is recognized over time, based on time and material incurred to date which best portrays the transfer of control to the customer. The Company also utilizes an available practical expedient that provides for revenue to be recognized in an amount that corresponds directly with the value to the customer of the entity’s performance completed to date. Fixed fee arrangements are determined based on expected labor, material, and overhead to be consumed on fulfillment of such services. For these arrangements, revenue is recognized on a cost-to-cost method tracked on an input basis.

The majority of our revenue recognized at a point in time is related to product sales when the customer obtains control of the asset, which is generally upon shipment to the customer. Contract costs include labor, material and overhead.

The Company expects any significant remaining performance obligations to be satisfied within one year.

Contract Estimates

The majority of the Company's revenues are short-term in nature. The Company enters into master service agreements ("MSA"s) with customers that specify an overall framework and contract terms. The actual contracting to provide services or furnish products are triggered by a work order, purchase order, or some similar document issued pursuant to a MSA which sets forth the scope of services and/or identifies the products to be provided. From time-to-time, the Company may enter into longer-term contracts, which can range from several months to several years. Revenue on certain contracts is recognized as work is performed based on total costs incurred to date in relation to the total estimated costs for the performance of the contract at completion. This includes contract estimates of costs to be incurred for the performance of the contract. Cost estimation is based upon the professional knowledge and experience of the Company's project managers, engineers and financial professionals. Factors that are considered in estimating the work to be completed include the availability of materials, the effect of any delays in the Company's project performance and the recoverability of any claims. Whenever revisions of estimates, contract costs and/or contract values indicate that the contract costs will exceed estimated revenues, thus creating a loss, a provision for the total estimated loss is recorded in that period.

Revenue by Category

The following series of tables present the Company's disaggregated revenue:

Revenue by industry was as follows:

Three Months Ended March 31, 2024	North America		International		Products & Systems		Corp/Elim		Total
Oil & Gas	$	103,027	$	10,066	$	72	$	—	$	113,165
Aerospace & Defense	15,375		6,732		11		—		22,118
Industrials	8,909		5,853		437		—		15,199
Power generation & Transmission	3,592		1,682		578		—		5,852
Other Process Industries	7,928		3,933		39		—		11,900
Infrastructure, Research & Engineering	3,972		2,205		409		—		6,586
Petrochemical	3,813		531		—		—		4,344
Other	3,733		2,045		1,664		(2,164)		5,278
Total	$	150,349	$	33,047	$	3,210	$	(2,164)	$	184,442

Three Months Ended March 31, 2023	North America		International		Products & Systems		Corp/Elim		Total
Oil & Gas	$	89,773	$	8,855	$	37	$	—	$	98,665
Aerospace & Defense	13,611		4,980		11		—		18,602
Industrials	9,302		6,053		558		—		15,913
Power generation & Transmission	4,987		1,657		1,326		—		7,970
Other Process Industries	9,109		3,237		27		—		12,373
Infrastructure, Research & Engineering	2,483		2,136		1,142		—		5,761
Petrochemical	5,137		145		—		—		5,282
Other	2,530		2,344		638		(2,062)		3,450
Total	$	136,932	$	29,407	$	3,739	$	(2,062)	$	168,016

Revenue per key geographic location was as follows:

Three Months Ended March 31, 2024	North America		International		Products & Systems		Corp/Elim		Total
United States	$	129,458	$	296	$	1,600	$	(1,515)	$	129,839
Other Americas	17,127		2,295		177		(238)		19,361
Europe	1,153		28,663		651		(346)		30,121
Asia-Pacific	2,611		1,793		782		(65)		5,121
Total	$	150,349	$	33,047	$	3,210	$	(2,164)	$	184,442

Three Months Ended March 31, 2023	North America		International		Products & Systems		Corp/Elim		Total
United States	$	120,600	$	309	$	1,801	$	(598)	$	122,112
Other Americas	14,270		3,489		326		(432)		17,653
Europe	1,412		24,183		261		(826)		25,030
Asia-Pacific	650		1,426		1,351		(206)		3,221
Total	$	136,932	$	29,407	$	3,739	$	(2,062)	$	168,016

Contract Balances

The timing of revenue recognition, billings and cash collections results in billed accounts receivable, unbilled receivables (contract assets), and customer advances and deposits (contract liabilities) on the Consolidated Balance Sheets. Amounts are generally billed as work progresses in accordance with agreed-upon contractual terms, generally at periodic intervals (e.g., weekly, bi-weekly or monthly). Generally, billing occurs subsequent to revenue recognition, resulting in contract assets. However, the Company sometimes receives advances or deposits from its customers before revenue is recognized, resulting in contract liabilities. These assets and liabilities are aggregated on an individual contract basis and reported on the Consolidated Balance Sheets at the end of each reporting period within accounts receivable, net or accrued expenses and other current liabilities.

Revenue recognized during the three months ended March 31, 2024 and 2023 that was included in the contract liability balance at the beginning of such year was $2.9 million and $3.1 million for each period. Changes in the contract asset and liability balances during these periods were not materially impacted by any other factors. The Company applies a practical expedient to expense incremental costs incurred related to obtaining a contract. The Company applies the practical expedient to expense incremental costs incurred related to obtaining a contract when the amortization period of the asset that the Company otherwise would have recognized is one year or less.

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Share-Based Compensation

3 Months Ended

Mar. 31, 2024

Share-Based Payment Arrangement [Abstract]

Share-Based Compensation

Share-Based Compensation

The Company grants share-based incentive awards to its eligible employees and non-employee directors under its 2016 Long-Term Incentive Plan (the "2016 Plan"). Awards granted under the 2016 Plan may be in the form of stock options, restricted stock units and other forms of share-based incentives, including performance-based restricted stock units, stock appreciation rights and deferred stock rights. At the annual shareholders meeting on May 23, 2022, the Company’s shareholders approved an amendment to increase the total number of shares that may be issued under the 2016 Plan by 1.2 million, for a total of 4.9 million shares that are authorized for issuance under the 2016 Plan, of which approximately 450,000 shares were available for future grants as of March 31, 2024.

Stock Options

On October 11, 2023, Mr. Stamatakis was granted an award of stock options to purchase 250,000 shares of common stock of the Company, with an exercise price of $5.36, the closing price of the Company's common stock as quoted on the New York Stock Exchange on the grant date (the "Options"). The Options were granted as an inducement for Mr. Stamatakis to accept the position of Interim President and CEO of the Company and were therefore granted outside the 2016 Plan, as permitted by the rules of the NYSE. The Options can be exercised any time after the grant date until its expiration date, which is the earlier of 10 years from the grant date or one year following the date Mr. Stamatakis is no longer serving as an officer, director or in any other capacity of the Company.

The following table sets forth a summary of the stock option activity, weighted-average exercise prices and options outstanding as of March 31, 2024 as follows (in thousands, except per share amounts and years):

	Three months ended March 31,
	2024			2023
	Common Stock Options	Weighted Average Exercise Price		Common Stock Options	Weighted Average Exercise Price
Outstanding at beginning of year:	250	$	5.36	—	$	—
Granted	—	$	—	—	$	—
Exercised	—	$	—	—	$	—
Expired or forfeited	—	$	—	—	$	—
Outstanding at end of year:	250	$	5.36	—	$	—

The Company recognized all share-based compensation expense related to the stock options granted in the fourth quarter of 2023 and no further unrecognized share-based compensation expense remains as of March 31, 2024.

Stock Issuances to Non-Employee Directors

As part of its compensation program for non-employee directors, the Company makes semi-annual issuances of fully-vested common stock to its non-employee directors. A summary of the fully-vested common stock the Company issued to its non-employee directors, in connection with its non-employee director compensation, is as follows (in thousands):

	Three months ended March 31,
	2024		2023
Awards issued	31		48
Grant date fair value of awards issued	$	274	$	275

Restricted Stock Unit Awards

For the three months ended March 31, 2024 and March 31, 2023, the Company recognized share-based compensation expense related to restricted stock unit awards of $1.0 million and $0.9 million, respectively. As of March 31, 2024, there was $11.2 million of unrecognized compensation costs, net of estimated forfeitures, related to restricted stock unit awards, which is expected to be recognized over a remaining weighted-average period of 3.0 years. Upon vesting, restricted stock units are generally net share-settled to cover the required withholding tax and the remaining amount is converted into an equivalent number of shares of common stock.

A summary of the vesting activity of restricted stock unit awards, with the respective fair value of the awards, is as follows:

	Three months ended March 31,
	2024		2023
Restricted stock awards vested	364		338
Fair value of awards vested	$	3,261	$	1,946

A summary of the Company's outstanding, non-vested restricted share units is as follows:

	Three months ended March 31,
	2024			2023
	Units	Weighted Average Grant-Date Fair Value		Units	Weighted Average Grant-Date Fair Value
Outstanding at beginning of period:	1,184	$	8.07	1,415	$	6.66
Granted	598	$	8.52	542	$	8.50
Released	(364)	$	8.95	(338)	$	5.76
Forfeited	(10)	$	8.37	(22)	$	7.82
Outstanding at end of period:	1,408	$	8.04	1,597	$	7.44

Performance Restricted Stock Units

The Company maintains Performance Restricted Stock Units (PRSUs) that have been granted to select executives and senior officers whose ultimate payout may vary between zero and 200% of the target award, based on the Company’s performance over a one-year period based on specific metrics approved by the Compensation Committee of the Board of Directors of the Company.

For 2023, the Compensation Committee utilized the following metrics for the Company's PRSUs awarded to its executive officers, and approved the new target awards for 2023. The three metrics are:

1.Free Cash Flow net cash provided by operating activities less purchases of property, plant, equipment and intangible assets and is subject to adjustments approved by the Compensation Committee.

2.Adjusted EBITDA defined as net income attributable to the Company plus: interest expense, provision for income taxes, depreciation and amortization, share-based compensation expense and certain acquisition related costs (including transaction due diligence costs and adjustments to the fair value of contingent consideration), foreign exchange (gain) loss and, if applicable, certain special items which are noted.

3.Revenue

For PRSUs awarded in 2024, the Compensation Committee utilized the same metrics as 2023 PRSUs, but with revised performance goals.

PRSUs are equity-classified and compensation costs related to PRSUs with performance conditions are initially measured using the fair value of the underlying stock at the date of grant. Compensation costs related to the PRSUs with performance conditions are subsequently adjusted for changes in the expected outcomes of the performance conditions. Compensation cost related to the PRSUs with a market condition is not reversed if the market condition is not achieved, provided the employee requisite service has been rendered. PRSUs generally vest ratably on each of the first four anniversary dates upon completion of the performance period, for a total requisite service period of up to five years, and have no dividend rights.

A summary of the Company's PRSU activity is as follows:

	Three months ended March 31,
	2024			2023
	Units	Weighted Average Grant-Date Fair Value		Units	Weighted Average Grant-Date Fair Value
Outstanding at beginning of period:	60	$	9.33	280	$	9.96
Granted	249	$	8.76	282	$	8.50
Performance condition adjustments	—	$	—	(32)	$	6.55
Released	—	$	—	(64)	$	5.58
Forfeited	—	$	—	(84)	$	6.95
Outstanding at end of period:	309	$	9.00	382	$	9.12

During the three months ended March 31, 2023, the Compensation Committee approved the final calculation of the award metrics for calendar year 2022. Therefore, the calendar year 2022 PRSUs decreased by approximately 32,000 units as a result of the final calculation of award metrics.

For the three months ended March 31, 2024 and March 31, 2023, the Company recognized aggregate share-based compensation expense related to the awards described above of approximately $0.1 million and $0.7 million, respectively. At March 31, 2024, there was $2.4 million of total unrecognized compensation costs related to approximately 309,000 non-vested PRSUs, which is expected to be recognized over a remaining weighted-average period of 3.0 years.

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Earnings (loss) per Share

3 Months Ended

Mar. 31, 2024

Earnings Per Share [Abstract]

Earnings (loss) per Share

Earnings (loss) per Share

Basic earnings (loss) per share is computed by dividing net income (loss) by the weighted-average number of shares outstanding during the period. Diluted earnings per share is computed by dividing net income (loss) by the sum of (1) the weighted-average number of shares of common stock outstanding during the period, and (2) the dilutive effect of assumed conversion of equity awards using the treasury stock method. With respect to the number of weighted-average shares outstanding (denominator), diluted shares reflects: (i) the exercise of options to acquire common stock to the extent that the options’ exercise prices are less than the average market price of common shares during the period and (ii) the pro forma vesting of restricted stock units.

The following table sets forth the computations of basic and diluted earnings (loss) per share:

 

	Three months ended March 31,
	2024		2023
Basic earnings (loss) per share
Numerator:
Net income (loss) attributable to Mistras Group, Inc.	$	995	$	(4,986)
Denominator:
Weighted average common shares outstanding	30,680		30,021
Basic earnings (loss) per share	$	0.03	$	(0.17)
Diluted earnings (loss) per share:
Numerator:
Net income (loss) attributable to Mistras Group, Inc.	$	995	$	(4,986)
Denominator:
Weighted average common shares outstanding	30,680		30,021
Dilutive effect of stock options outstanding	250		—
Dilutive effect of restricted stock units outstanding (1)	426		—
	31,356		30,021
Diluted earnings (loss) per share	$	0.03	$	(0.17)

_______________

(1) For the three months ended March 31, 2023, 1,513,000 shares, related to restricted stock were excluded from the calculation of diluted EPS due to the net loss for the period.

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Acquisitions

3 Months Ended

Mar. 31, 2024

Business Combination and Asset Acquisition [Abstract]

Acquisitions

Acquisitions

Acquisition-Related Expense 

In the course of its acquisition activities, the Company incurs costs in connection with due diligence, such as professional fees, and other expenses. Additionally, the Company adjusts the fair value of acquisition-related contingent consideration liabilities on a quarterly basis. These amounts are reported as Acquisition-related expense, net on the Unaudited Condensed Consolidated Statements of Income (Loss) and were as follows for the three months ended March 31, 2024 and 2023:

	Three months ended March 31,
	2024		2023
Due diligence, professional fees and other transaction costs	$	1	$	3
Adjustments to fair value of contingent consideration liabilities	—		—
Acquisition-related expense, net	$	1	$	3

The Company's contingent consideration liabilities are included in Accrued expenses and other current liabilities and Other long-term liabilities on the Condensed Consolidated Balance Sheets.

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Accounts Receivable, net

3 Months Ended

Mar. 31, 2024

Receivables [Abstract]

Accounts Receivable, net

Accounts Receivable, net

Accounts receivable consisted of the following:

	March 31, 2024		December 31, 2023
Trade accounts receivable	$	142,245	$	134,495
Allowance for credit losses	(1,841)		(1,648)
Accounts receivable, net	$	140,404	$	132,847

The Company had $36.5 million and $18.5 million of unbilled revenue accrued as of March 31, 2024 and December 31, 2023, respectively. These amounts are included in the trade accounts receivable balances above. Unbilled revenue is generally billed in the subsequent quarter to their revenue recognition. The Company considers unbilled receivables as short-term in nature as they are normally converted to trade receivables within 90 days, thus future changes in economic conditions will not have a significant effect on the credit loss estimate.

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Inventories

3 Months Ended

Mar. 31, 2024

Inventory Disclosure [Abstract]

Inventories

Inventories

Inventories consist of the following (in thousands):

	March 31, 2024		December 31, 2023
Raw materials	$	5,974	$	6,099
Work in progress	1,003		839
Finished goods	5,495		5,740
Consumable supplies	2,607		2,605
Inventories	$	15,079	$	15,283

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Property, Plant and Equipment, net

3 Months Ended

Mar. 31, 2024

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment, net

Property, Plant and Equipment, net

Property, plant and equipment consisted of the following:

 

	Useful Life (Years)	March 31, 2024		December 31, 2023
Land		$	2,444	$	2,453
Buildings and improvements	30-40	26,728		26,663
Office furniture and equipment	5-8	21,424		21,334
Machinery and equipment	5-7	270,788		269,306
		321,384		319,756
Accumulated depreciation and amortization		(241,682)		(238,784)
Property, plant and equipment, net		$	79,702	$	80,972

Depreciation expense for the three months ended March 31, 2024 and 2023 was approximately $6.5 million and $6.3 million, respectively.

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Goodwill

3 Months Ended

Mar. 31, 2024

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill

Goodwill

Changes in the carrying amount of goodwill by segment is shown below:

	North America		International		Products and Systems		Total
Balance at December 31, 2023	$	187,354	$	—	$	—	$	187,354
Foreign currency translation	(1,628)		—		—		(1,628)
Balance at March 31, 2024	$	185,726	$	—	$	—	$	185,726

The Company reviews goodwill for impairment on a reporting unit basis on October 1 of each year and whenever events or changes in circumstances indicate the carrying value of goodwill may not be recoverable.

During the third quarter of 2023, a triggering event was identified within the Company's reporting units within the International segment due to decreased gross margin in the current period as a result of inflationary pressures and rising energy costs impacting the International reporting units' operations. As a result, the Company performed an interim quantitative goodwill impairment test.

In performing the interim quantitative goodwill impairment test and consistent with prior practice, the Company determined the fair value of each of the reporting units using a combination of the income approach and the market approach by assessing each of these valuation methodologies based upon availability and relevance of comparable Company data and determining the appropriate weighting.

Under the income approach, the fair value for each of the reporting units was determined based on the present value of estimated future cash flows, discounted at an appropriate risk-adjusted rate. The Company used internal forecasts, updated for recent events, to estimate future cash flows using a terminal value calculation, which incorporates historical and forecasted trends, including an estimate of long-term future growth rates, based on the Company’s most recent views of the long-term outlook for each reporting unit. The Company's internal forecasts include assumptions about future profitability, including the expected demand for the Company’s goods and services. Due to the inherent uncertainties involved in making estimates and assumptions, actual results may differ from those assumed in the forecasts. The Company derived the discount rates using a capital asset pricing model and analyzing published rates for industries relevant to the reporting units to estimate the cost of equity financing. The Company used discount rates that are commensurate with the risks and uncertainties inherent in the respective businesses and in the Company's internally developed forecasts and which are updated for recent events. Increased interest rates in the current period increased the discount rate associated with the reporting units which contributed to an unfavorable decrease in the reporting units value.

The market approach valuation was derived from metrics of publicly traded companies or historically completed transactions of comparable businesses. The selection of comparable businesses was based on the markets in which the reporting units operate, considering risk profiles, size, geography, and diversity of products and services.

Based upon the results of the interim quantitative goodwill impairment test, the Company recorded an impairment charge of $13.8 million within the International reporting units. The impairment was calculated based on the difference between the estimated fair value and the carrying value of the reporting units. Any significant adverse changes in future periods to the Company’s internal forecasts or the external market conditions, if any, could reasonably be expected to negatively affect its key assumptions and may result in future goodwill impairment charges which could be material.

The Company performed a quantitative annual impairment test as of October 1, 2023 and the Company did not identify any changes in circumstances that would indicate the carrying value of goodwill may not be recoverable. Additionally, through March 31, 2024, the Company did not identify any changes in circumstances that would indicate the carrying value of goodwill may not be recoverable. Significant adverse changes in future periods could negatively affect the Company's key assumptions and may result in future goodwill impairment charges which could be material.

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Intangible Assets

3 Months Ended

Mar. 31, 2024

Intangible Assets, Net (Excluding Goodwill) [Abstract]

Intangible Assets

Intangible Assets

The gross amount, accumulated amortization and net carrying amount of intangible assets were as follows:

 

		March 31, 2024						December 31, 2023
	Useful Life (Years)	Gross Amount		Accumulated Amortization		Net Carrying Amount		Gross Amount		Accumulated Amortization		Net Carrying Amount
Customer relationships	5-18	$	109,413	$	(90,463)	$	18,950	$	110,780	$	(90,506)	$	20,274
Software/Technology	3-15	55,541		(32,690)		22,851		55,053		(32,230)		22,823
Covenants not to compete	2-5	12,494		(12,455)		39		12,536		(12,488)		48
Other	2-12	10,367		(9,547)		820		10,466		(9,617)		849
Total		$	187,815	$	(145,155)	$	42,660	$	188,835	$	(144,841)	$	43,994

Amortization expense for the three months ended March 31, 2024 and 2023 was approximately $1.9 million and $2.1 million, respectively.

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Accrued Expenses and Other Current Liabilities

3 Months Ended

Mar. 31, 2024

Payables and Accruals [Abstract]

Accrued Expenses and Other Current Liabilities

Accrued Expenses and Other Current Liabilities

Accrued expenses and other current liabilities consisted of the following:

 

	March 31, 2024		December 31, 2023
Accrued salaries, wages and related employee benefits	$	28,373	$	27,372
Accrued workers’ compensation and health benefits	3,590		4,385
Deferred revenue	9,244		7,136
Pension accrual	2,458		2,458
Right-of-use liability - Operating	10,743		10,686
Other accrued expenses	30,067		32,294
Total	$	84,475	$	84,331

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Long-Term Debt

3 Months Ended

Mar. 31, 2024

Debt Disclosure [Abstract]

Long-Term Debt

Long-Term Debt

Long-term debt consisted of the following:

	March 31, 2024		December 31, 2023
Senior credit facility	$	80,368	$	71,150
Senior secured term loan, net of unamortized debt issuance costs of $0.3 million and $0.4 million, respectively	114,499		115,253
Other	3,559		3,996
Total debt	198,426		190,399
Less: Current portion	(9,464)		(8,900)
Long-term debt, net of current portion	$	188,962	$	181,499

Senior Credit Facility

On August 1, 2022, the Company entered into a new credit agreement (the “Credit Agreement”), which provides the Company with a $190 million 5-year committed revolving credit facility and a $125 million term loan with a balance of $116 million as of March 31, 2024. The Credit Agreement permits the Company to borrow up to $100 million in non-US dollar currencies and to use up to $20 million of the credit limit for the issuance of letters of credit. Both the revolving line of credit and the term loan under the Credit Agreement have a maturity date of July 30, 2027.

The Credit Agreement has the following key terms, conditions and financial covenants:

•Borrowings bear interest at Secured Overnight Financing Rate ("SOFR") plus a credit spread adjustment and applicable SOFR margin ranging from 1.25% to 2.75%, based upon our Total Consolidated Debt Leverage Ratio (defined below).

◦Total Consolidated Debt Leverage Ratio means the ratio of (a) Total Consolidated Debt to (b) EBITDA (as defined in the Credit Agreement) for the trailing four consecutive fiscal quarters.

◦Total Consolidated Debt means all indebtedness (including subordinated debt) of the Company on a consolidated basis.

•The Company has the benefit of the lowest SOFR margin if its Total Consolidated Debt Leverage Ratio is equal to or less than 1.25 to 1.0, and the margin increases as the ratio increases, to the maximum margin if the ratio is greater than 3.75 to 1.0. The Credit Agreement is secured by liens on substantially all the assets of the Company and certain of its U.S subsidiaries and is guaranteed by those U.S subsidiaries.

•The Company has to maintain a Total Consolidated Debt Leverage Ratio of no more than 4.0 to 1.0 at the end of each quarter through June 30, 2023 and stepping down to a maximum permitted ratio of no more than 3.75 to 1.0 for the remainder of the term.

•As of December 31, 2023, the Fixed Charge Coverage Ratio was modified from a ratio of 1.25 to 1.0 to a ratio of 1.1 to 1.0 for the fiscal quarters ended December 31, 2023 and March 31, 2024. For the period ending June 30, 2024 to maturity, the Fixed Charge Coverage Ratio is 1.25 to 1.

•The Credit Agreement limits the Company’s ability to, among other things, create liens, make investments, incur more indebtedness, merge or consolidate, make dispositions of property, pay dividends, make distributions to stockholders or repurchase our stock, enter into a new line of business, enter into transactions with affiliates and enter into burdensome agreements.

•The Credit Agreement does not limit the Company’s ability to acquire other businesses or companies except that the acquired business or company must be in the Company's line of business, the Company must be in compliance with the financial covenants on a pro forma basis after taking into account the acquisition, and the Company must provide written notice at least five business days prior to the date of an acquisition of $10 million or more.

•Quarterly payments on the term loan of $1.56 million through June 30, 2024, then increasing to $2.34 million through June 30, 2025, and to $3.12 million for each quarterly payment thereafter through maturity.

As of March 31, 2024, the Company had borrowings of $194.9 million and a total of $2.9 million of letters of credit outstanding under the Credit Agreement. The Company has capitalized costs associated with debt modifications of $1.2 million as of March 31, 2024, which is included in Other Assets on the Condensed Consolidated Balance Sheets and will be amortized into interest expense over the remaining term of the Credit Agreement through July 30, 2027.

As of March 31, 2024, the Company was in compliance with the terms and covenants of the Credit Agreement. The Company continuously monitors compliance with the covenants contained in the Credit Agreement. The Company believes that it is probable that the Company will be able to comply with the financial covenants in the Credit Agreement and that sufficient credit remains available under the Credit Agreement to meet the Company's liquidity needs. However, such matters cannot be predicted with certainty.

Other debt

The Company's other debt includes bank financing provided at the local subsidiary level used to support working capital requirements and fund capital expenditures. At March 31, 2024, there was an aggregate of approximately $3.6 million outstanding, payable at various times through 2030. Monthly payments range from $0.7 thousand to $16.0 thousand and interest rates range from 0.4% to 3.5%.

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Fair Value Measurements

3 Months Ended

Mar. 31, 2024

Fair Value Disclosures [Abstract]

Fair Value Measurements

Fair Value Measurements

The Company performs fair value measurements in accordance with the guidance provided by ASC 820, Fair Value Measurements and Disclosures. ASC 820 defines fair value as the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date. It also establishes a three level hierarchy that prioritizes the inputs used to measure fair value.

Financial instruments measured at fair value on a recurring basis

The fair value of contingent consideration liabilities was estimated using a discounted cash flow technique with significant inputs that are not observable in the market and thus represents a Level 3 fair value measurement as defined in ASC 820. The significant inputs in the Level 3 measurement not supported by market activity include the probability assessments of expected future cash flows related to the acquisitions, appropriately discounted considering the uncertainties associated with the obligation, and as calculated in accordance with the terms of the applicable acquisition agreements.

The following table represents the changes in the fair value of Level 3 contingent consideration:

 

	Three months ended March 31,
	2024		2023
Beginning balance	$	—	$	938
Payments	—		(938)
Revaluation	—		—
Ending balance	$	—	$	—

Financial instruments not measured at fair value on a recurring basis

The Company has evaluated current market conditions and borrower credit quality and has determined that the carrying value of its long-term debt approximates fair value. The fair value of the Company’s notes payable and finance lease obligations approximates their carrying amounts based on anticipated interest rates which management believes would currently be available to the Company for similar issuances of debt.

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Commitments and Contingencies

3 Months Ended

Mar. 31, 2024

Commitments and Contingencies Disclosure [Abstract]

Commitments and Contingencies

Commitments and Contingencies

Legal Proceedings and Government Investigations

The Company is periodically involved in lawsuits, investigations and claims that arise in the ordinary course of business. While the Company cannot predict with certainty the ultimate resolution of lawsuits, investigations and claims asserted against it, the Company does not believe that any currently pending or threatened legal proceeding to which the Company is or is likely to become a party will have a material adverse effect on its business, results of operations, cash flows or financial condition. The costs incurred by the Company to defend lawsuits, investigations and claims and amounts the Company pays to other parties because of these matters may be covered by insurance in some circumstances.

Litigation and Commercial Claims

A subsidiary of the Company, Mistras Arizona Inspection Services LLC (“Mistras Arizona”) is subject to a lawsuit filed by the Arizona Department of Environmental Quality (“DEQ”), which has been filed against the Company, captioned State of Arizona v. Mistras Group, Inc. and Naiman Phoenix, Ltd., filed on February 27, 2024, in the Superior Court of the State of Arizona for Maricopa County, CV 2024-003866. The Complaint alleges various violations of the Arizona environmental laws and regulations in connection with the operation of the Mistras Arizona testing facility in Phoenix, Arizona. The complaint seeks injunctive relief, the closing of a chromic acid plating line and air scrubber, implementation of a site assessment plan approved by the DEQ, corrective and remedial action to bring the facility in compliance, and costs and penalties. Mistras Arizona and the Company have also received notice of violations from the DEQ for the violations of Arizona environmental laws and regulations and from the Maricopa County Department of Air Quality for violation of various regulations regarding air quality. This matter is in the early stages and the Company is unable to assess the amount of liability the Company or Mistras Arizona may incur.

Pension Related Contingencies

Certain of the Company’s subsidiaries had significant reductions in their unionized workers in 2018. The collective bargaining agreements for the employees of these subsidiaries required contributions for these employees to two national multi-employer pension funds. The reduction in employees resulted in one of the Company's subsidiaries incurring a complete withdrawal to one of the pension funds under the Employee Retirement Income Security Act of 1974 ("ERISA"), which was fully satisfied in 2019. The Company has determined that the subsidiary is likely to incur partial or complete withdrawal liability to the other pension fund. The balance of the estimated total amount of this potential liability as of March 31, 2024 is approximately $2.5 million, which were incurred in 2018 and 2019.

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Segment Disclosure

3 Months Ended

Mar. 31, 2024

Segment Reporting [Abstract]

Segment Disclosure

Segment Disclosure

The Company's three operating segments are:

•North America. This segment provides asset protection solutions predominantly in North America, with the largest concentration in the United States, followed by Canada, consisting primarily of NDT, inspection, mechanical and engineering services that are used to evaluate the safety, structural integrity and reliability of critical energy, industrial and public infrastructure and commercial aerospace components. Software, digital and data services are included in this segment.

•International. This segment offers services, products and systems similar to those of the other segments to select markets within Europe, the Middle East, Africa, Asia and South America, but not to customers in China and South Korea, which are served by the Products and Systems segment.

•Products and Systems. This segment designs, manufactures, sells, installs and services the Company’s asset protection products and systems, including equipment and instrumentation, predominantly in the United States.

Costs incurred for general corporate services, including finance, legal, and certain other costs that are provided to the segments are reported within Corporate and eliminations. Sales to the International segment from the Products and Systems segment and subsequent sales by the International segment of the same items are recorded and reflected in the operating performance of both segments. Additionally, engineering charges and royalty fees charged to the North America and International segments by the Products and Systems segment are reflected in the operating performance of each segment.

The accounting policies of the reportable segments are the same as those described in Note 1 - Description of Business and Basis of Presentation. Segment income from operations is one of the primary performance measures used by the chief operating decision maker, to assess the performance of each segment and make resource allocation decisions. Certain general and administrative costs such as human resources, information technology and training are allocated to the segments. Segment income from operations excludes interest and other financial charges and income taxes. Corporate and other assets are comprised principally of cash, deposits, property, plant and equipment, domestic deferred taxes, deferred charges and other assets. Corporate loss from operations consists of administrative charges related to corporate personnel and other charges that cannot be readily identified for allocation to a particular segment.

Selected consolidated financial information by segment for the periods shown was as follows: (with intercompany transactions eliminated in Corporate and eliminations)

 

	Three months ended March 31,
	2024		2023
Revenue
North America	$	150,349	$	136,932
International	33,047		29,407
Products and Systems	3,210		3,739
Corporate and eliminations	(2,164)		(2,062)
	$	184,442	$	168,016

 

	Three months ended March 31,
	2024		2023
Gross profit
North America	$	39,991	$	36,637
International	9,459		7,367
Products and Systems	1,613		2,063
Corporate and eliminations	27		10
	$	51,090	$	46,077

Income (loss) from operations by operating segment includes intercompany transactions, which are eliminated in Corporate and eliminations.

	Three months ended March 31,
	2024		2023
Income (loss) from operations
North America	$	13,561	$	9,378
International	1,124		(568)
Products and Systems	314		384
Corporate and eliminations	(9,446)		(11,024)
	$	5,553	$	(1,830)

  

	Three months ended March 31,
	2024		2023
Depreciation and amortization
North America	$	6,218	$	6,357
International	1,913		1,859
Products and Systems	164		256
Corporate and eliminations	86		(59)
	$	8,381	$	8,413

 

	March 31, 2024		December 31, 2023
Intangible assets, net
North America	$	35,803	$	37,622
International	2,537		2,998
Products and Systems	1,089		1,168
Corporate and eliminations	3,231		2,206
	$	42,660	$	43,994

	March 31, 2024		December 31, 2023
Total assets
North America	$	411,853	$	402,782
International	99,518		99,398
Products and Systems	12,859		13,259
Corporate and eliminations	17,897		19,337
	$	542,127	$	534,776

Refer to Note 2 - Revenue, for revenue by geographic area for the three months ended March 31, 2024 and 2023.

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Subsequent Events	3 Months Ended
	Mar. 31, 2024
Subsequent Events [Abstract]
Subsequent Events	Subsequent Events

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Description of Business and Basis of Presentation (Policies)

3 Months Ended

Mar. 31, 2024

Accounting Policies [Abstract]

Basis of Presentation

Basis of Presentation

The Unaudited Condensed Consolidated Financial Statements contained in this report have been prepared in conformity with U.S. generally accepted accounting principles ("GAAP") and Securities and Exchange Commission ("SEC") guidance allowing for reduced disclosure for interim periods. In the opinion of management, the Unaudited Condensed Consolidated Financial Statements include all adjustments, which are of a normal recurring nature, necessary for a fair presentation of the results for the interim periods of the years ending December 31, 2024 and December 31, 2023.

Certain items included in these statements are based on management’s estimates. Actual results may differ from those estimates. The results of operations for any interim period are not necessarily indicative of the results expected for the year. The accompanying Unaudited Condensed Consolidated Financial Statements should be read in conjunction with the notes to the Audited Consolidated Financial Statements contained in the Company's 2023 Annual Report on Form 10-K ("2023 Annual Report").

Principles of Consolidation

Principles of Consolidation

The accompanying Unaudited Condensed Consolidated Financial Statements include the accounts of Mistras Group, Inc. as well as its wholly-owned subsidiaries, majority-owned subsidiaries and consolidated variable interest entities (VIE). For subsidiaries in which the Company’s ownership interest is less than 100%, the non-controlling interests are reported in stockholders’ equity in the accompanying Condensed Consolidated Balance Sheets. The non-controlling interests in net results, net of tax, is classified separately in the accompanying Unaudited Condensed Consolidated Statements of Income (Loss). All significant intercompany accounts and transactions have been eliminated in consolidation. The results of operations of companies acquired are included from the date of acquisition.

Reclassification

Reclassification

Certain amounts in prior periods have been reclassified to conform to the current year presentation. Such reclassifications did not have a material effect on the Company's financial condition or results of operations as previously reported.

Income Taxes

Income Taxes

Income taxes are accounted for under the asset and liability method. We recognize deferred tax assets and liabilities at enacted income tax rates for the temporary differences between the financial reporting bases and the tax bases of our assets and liabilities. Any effects of changes in income tax rates or tax laws are included in the provision for income taxes in the period of enactment. Our net deferred tax assets primarily consist of net operating loss carry forwards, or NOLs. A valuation allowance is provided if it is more likely than not that some or all or all of a deferred income tax asset will not be realized. A current tax liability or asset is recognized for the estimated taxes payable or refundable on tax returns for the current and prior years.

As of March 31, 2024, management concluded that it is more likely than not that a substantial portion of the Company's deferred tax assets will be realized.

We recognize the tax benefit from an uncertain tax position only if it is more likely than not that the tax position will be sustained on examination by the taxing authorities, based on the technical merits of the position. The tax benefits recognized in the financial statements from such a position are measured based on the largest benefit that has a greater than 50% likelihood of being realized upon ultimate resolution.

The Company’s effective income tax rate was approximately 10.6% and 15.6% for the three months ended March 31, 2024 and 2023, respectively. The effective income tax rate benefit for the three months ended March 31, 2024 was lower than the statutory rate primarily due to the impact of a favorable discrete item related to stock compensation.

Recent Accounting Pronouncements

Recent Accounting Pronouncements

In November 2023, the Financial Accounting Standards Board ("FASB") issued ASU 2023-07, Segment Reporting (Topic 280) to expand the disclosures about a public entity's reportable segments and address requests from investors for additional, more detailed information about a reportable segment's expenses. The new standard is effective for fiscal years beginning after December 15, 2023, and interim periods within fiscal years beginning after December 15, 2024. We are currently evaluating the impact of ASU 2023-07 on our financial statements.

In December 2023, the FASB issued ASU 2023-09, Income Taxes (Topic 740) to enhance the transparency and decision usefulness of income tax disclosures, primarily related to the rate reconciliation and income taxes paid disclosures. The new standard is effective for fiscal years beginning after December 15, 2024. We are currently evaluating the impact of ASU 2023-09 on our financial statements.

Revenue

Revenue

The Company derives the majority of its revenue by providing services on a time and material basis, and are short-term in nature. The Company accounts for revenue in accordance with ASC Topic 606, Revenue from Contracts with Customers.

Performance Obligations

The Company provides highly integrated and bundled inspection services to its customers. The majority of the Company's contracts have a single performance obligation as the promise to transfer the individual goods or services is not separately identifiable from other promises in the contracts and is, therefore, not distinct. For contracts with multiple performance obligations, the Company allocates the contract’s transaction price to each performance obligation using the Company's best estimate of the standalone selling price of each distinct good or service in the contract. The primary method used to estimate standalone selling price is a relative selling price based on price lists.

Contract modifications are not routine in the performance of the Company's contracts. Generally, when contracts are modified, the modification is to account for changes in scope to the goods and services that are provided. In most instances, contract modifications are for goods or services that are distinct, and, therefore, are accounted for as a separate contract.

The Company's performance obligations are satisfied over time as work progresses or at a point in time. The majority of the Company's revenue is recognized over time as work progresses for the Company's service deliverables, which includes providing testing, inspection and mechanical services to our customers. Revenue is recognized over time, based on time and material incurred to date which best portrays the transfer of control to the customer. The Company also utilizes an available practical expedient that provides for revenue to be recognized in an amount that corresponds directly with the value to the customer of the entity’s performance completed to date. Fixed fee arrangements are determined based on expected labor, material, and overhead to be consumed on fulfillment of such services. For these arrangements, revenue is recognized on a cost-to-cost method tracked on an input basis.

The majority of our revenue recognized at a point in time is related to product sales when the customer obtains control of the asset, which is generally upon shipment to the customer. Contract costs include labor, material and overhead.

The Company expects any significant remaining performance obligations to be satisfied within one year.

Contract Estimates

The majority of the Company's revenues are short-term in nature. The Company enters into master service agreements ("MSA"s) with customers that specify an overall framework and contract terms. The actual contracting to provide services or furnish products are triggered by a work order, purchase order, or some similar document issued pursuant to a MSA which sets forth the scope of services and/or identifies the products to be provided. From time-to-time, the Company may enter into longer-term contracts, which can range from several months to several years. Revenue on certain contracts is recognized as work is performed based on total costs incurred to date in relation to the total estimated costs for the performance of the contract at completion. This includes contract estimates of costs to be incurred for the performance of the contract. Cost estimation is based upon the professional knowledge and experience of the Company's project managers, engineers and financial professionals. Factors that are considered in estimating the work to be completed include the availability of materials, the effect of any delays in the Company's project performance and the recoverability of any claims. Whenever revisions of estimates, contract costs and/or contract values indicate that the contract costs will exceed estimated revenues, thus creating a loss, a provision for the total estimated loss is recorded in that period.

Contract Balances

The timing of revenue recognition, billings and cash collections results in billed accounts receivable, unbilled receivables (contract assets), and customer advances and deposits (contract liabilities) on the Consolidated Balance Sheets. Amounts are generally billed as work progresses in accordance with agreed-upon contractual terms, generally at periodic intervals (e.g., weekly, bi-weekly or monthly). Generally, billing occurs subsequent to revenue recognition, resulting in contract assets. However, the Company sometimes receives advances or deposits from its customers before revenue is recognized, resulting in contract liabilities. These assets and liabilities are aggregated on an individual contract basis and reported on the Consolidated Balance Sheets at the end of each reporting period within accounts receivable, net or accrued expenses and other current liabilities.

Fair Value Measurements

Fair Value Measurements

The Company performs fair value measurements in accordance with the guidance provided by ASC 820, Fair Value Measurements and Disclosures. ASC 820 defines fair value as the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date. It also establishes a three level hierarchy that prioritizes the inputs used to measure fair value.

Financial instruments measured at fair value on a recurring basis

The fair value of contingent consideration liabilities was estimated using a discounted cash flow technique with significant inputs that are not observable in the market and thus represents a Level 3 fair value measurement as defined in ASC 820. The significant inputs in the Level 3 measurement not supported by market activity include the probability assessments of expected future cash flows related to the acquisitions, appropriately discounted considering the uncertainties associated with the obligation, and as calculated in accordance with the terms of the applicable acquisition agreements.

Financial instruments not measured at fair value on a recurring basis

The Company has evaluated current market conditions and borrower credit quality and has determined that the carrying value of its long-term debt approximates fair value. The fair value of the Company’s notes payable and finance lease obligations approximates their carrying amounts based on anticipated interest rates which management believes would currently be available to the Company for similar issuances of debt.

Segment Reporting

Segment Disclosure

The Company's three operating segments are:

•North America. This segment provides asset protection solutions predominantly in North America, with the largest concentration in the United States, followed by Canada, consisting primarily of NDT, inspection, mechanical and engineering services that are used to evaluate the safety, structural integrity and reliability of critical energy, industrial and public infrastructure and commercial aerospace components. Software, digital and data services are included in this segment.

•International. This segment offers services, products and systems similar to those of the other segments to select markets within Europe, the Middle East, Africa, Asia and South America, but not to customers in China and South Korea, which are served by the Products and Systems segment.

•Products and Systems. This segment designs, manufactures, sells, installs and services the Company’s asset protection products and systems, including equipment and instrumentation, predominantly in the United States.

Costs incurred for general corporate services, including finance, legal, and certain other costs that are provided to the segments are reported within Corporate and eliminations. Sales to the International segment from the Products and Systems segment and subsequent sales by the International segment of the same items are recorded and reflected in the operating performance of both segments. Additionally, engineering charges and royalty fees charged to the North America and International segments by the Products and Systems segment are reflected in the operating performance of each segment.

The accounting policies of the reportable segments are the same as those described in Note 1 - Description of Business and Basis of Presentation. Segment income from operations is one of the primary performance measures used by the chief operating decision maker, to assess the performance of each segment and make resource allocation decisions. Certain general and administrative costs such as human resources, information technology and training are allocated to the segments. Segment income from operations excludes interest and other financial charges and income taxes. Corporate and other assets are comprised principally of cash, deposits, property, plant and equipment, domestic deferred taxes, deferred charges and other assets. Corporate loss from operations consists of administrative charges related to corporate personnel and other charges that cannot be readily identified for allocation to a particular segment.

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Revenue (Tables)

3 Months Ended

Mar. 31, 2024

Revenue from Contract with Customer [Abstract]

Schedule of Disaggregated Revenues

The following series of tables present the Company's disaggregated revenue:

Revenue by industry was as follows:

Three Months Ended March 31, 2024	North America		International		Products & Systems		Corp/Elim		Total
Oil & Gas	$	103,027	$	10,066	$	72	$	—	$	113,165
Aerospace & Defense	15,375		6,732		11		—		22,118
Industrials	8,909		5,853		437		—		15,199
Power generation & Transmission	3,592		1,682		578		—		5,852
Other Process Industries	7,928		3,933		39		—		11,900
Infrastructure, Research & Engineering	3,972		2,205		409		—		6,586
Petrochemical	3,813		531		—		—		4,344
Other	3,733		2,045		1,664		(2,164)		5,278
Total	$	150,349	$	33,047	$	3,210	$	(2,164)	$	184,442

Three Months Ended March 31, 2023	North America		International		Products & Systems		Corp/Elim		Total
Oil & Gas	$	89,773	$	8,855	$	37	$	—	$	98,665
Aerospace & Defense	13,611		4,980		11		—		18,602
Industrials	9,302		6,053		558		—		15,913
Power generation & Transmission	4,987		1,657		1,326		—		7,970
Other Process Industries	9,109		3,237		27		—		12,373
Infrastructure, Research & Engineering	2,483		2,136		1,142		—		5,761
Petrochemical	5,137		145		—		—		5,282
Other	2,530		2,344		638		(2,062)		3,450
Total	$	136,932	$	29,407	$	3,739	$	(2,062)	$	168,016

Revenue per key geographic location was as follows:

Three Months Ended March 31, 2024	North America		International		Products & Systems		Corp/Elim		Total
United States	$	129,458	$	296	$	1,600	$	(1,515)	$	129,839
Other Americas	17,127		2,295		177		(238)		19,361
Europe	1,153		28,663		651		(346)		30,121
Asia-Pacific	2,611		1,793		782		(65)		5,121
Total	$	150,349	$	33,047	$	3,210	$	(2,164)	$	184,442

Three Months Ended March 31, 2023	North America		International		Products & Systems		Corp/Elim		Total
United States	$	120,600	$	309	$	1,801	$	(598)	$	122,112
Other Americas	14,270		3,489		326		(432)		17,653
Europe	1,412		24,183		261		(826)		25,030
Asia-Pacific	650		1,426		1,351		(206)		3,221
Total	$	136,932	$	29,407	$	3,739	$	(2,062)	$	168,016

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Share-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2024

Share-Based Payment Arrangement [Abstract]

Schedule of Stock Option Activity

The following table sets forth a summary of the stock option activity, weighted-average exercise prices and options outstanding as of March 31, 2024 as follows (in thousands, except per share amounts and years):

	Three months ended March 31,
	2024			2023
	Common Stock Options	Weighted Average Exercise Price		Common Stock Options	Weighted Average Exercise Price
Outstanding at beginning of year:	250	$	5.36	—	$	—
Granted	—	$	—	—	$	—
Exercised	—	$	—	—	$	—
Expired or forfeited	—	$	—	—	$	—
Outstanding at end of year:	250	$	5.36	—	$	—

Schedule of Fully-vested Common Stock Issued to Non-employee Directors

A summary of the fully-vested common stock the Company issued to its non-employee directors, in connection with its non-employee director compensation, is as follows (in thousands):

	Three months ended March 31,
	2024		2023
Awards issued	31		48
Grant date fair value of awards issued	$	274	$	275

Schedule of Vesting Activity of Restricted Stock Unit Awards

A summary of the vesting activity of restricted stock unit awards, with the respective fair value of the awards, is as follows:

	Three months ended March 31,
	2024		2023
Restricted stock awards vested	364		338
Fair value of awards vested	$	3,261	$	1,946

Schedule of Company's Outstanding, Nonvested Restricted Share Units and Performance Restricted Stock Units

	Three months ended March 31,
	2024			2023
	Units	Weighted Average Grant-Date Fair Value		Units	Weighted Average Grant-Date Fair Value
Outstanding at beginning of period:	1,184	$	8.07	1,415	$	6.66
Granted	598	$	8.52	542	$	8.50
Released	(364)	$	8.95	(338)	$	5.76
Forfeited	(10)	$	8.37	(22)	$	7.82
Outstanding at end of period:	1,408	$	8.04	1,597	$	7.44

A summary of the Company's PRSU activity is as follows:

	Three months ended March 31,
	2024			2023
	Units	Weighted Average Grant-Date Fair Value		Units	Weighted Average Grant-Date Fair Value
Outstanding at beginning of period:	60	$	9.33	280	$	9.96
Granted	249	$	8.76	282	$	8.50
Performance condition adjustments	—	$	—	(32)	$	6.55
Released	—	$	—	(64)	$	5.58
Forfeited	—	$	—	(84)	$	6.95
Outstanding at end of period:	309	$	9.00	382	$	9.12

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Earnings (loss) per Share (Tables)

3 Months Ended

Mar. 31, 2024

Earnings Per Share [Abstract]

Schedule of Computations of Basic and Diluted Earnings (Loss) per Share

The following table sets forth the computations of basic and diluted earnings (loss) per share:

 

	Three months ended March 31,
	2024		2023
Basic earnings (loss) per share
Numerator:
Net income (loss) attributable to Mistras Group, Inc.	$	995	$	(4,986)
Denominator:
Weighted average common shares outstanding	30,680		30,021
Basic earnings (loss) per share	$	0.03	$	(0.17)
Diluted earnings (loss) per share:
Numerator:
Net income (loss) attributable to Mistras Group, Inc.	$	995	$	(4,986)
Denominator:
Weighted average common shares outstanding	30,680		30,021
Dilutive effect of stock options outstanding	250		—
Dilutive effect of restricted stock units outstanding (1)	426		—
	31,356		30,021
Diluted earnings (loss) per share	$	0.03	$	(0.17)

_______________

(1) For the three months ended March 31, 2023, 1,513,000 shares, related to restricted stock were excluded from the calculation of diluted EPS due to the net loss for the period.

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Acquisitions (Tables)

3 Months Ended

Mar. 31, 2024

Business Combination and Asset Acquisition [Abstract]

Schedule of Acquisition-related Expenses

These amounts are reported as Acquisition-related expense, net on the Unaudited Condensed Consolidated Statements of Income (Loss) and were as follows for the three months ended March 31, 2024 and 2023:

	Three months ended March 31,
	2024		2023
Due diligence, professional fees and other transaction costs	$	1	$	3
Adjustments to fair value of contingent consideration liabilities	—		—
Acquisition-related expense, net	$	1	$	3

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Accounts Receivable, net (Tables)

3 Months Ended

Mar. 31, 2024

Receivables [Abstract]

Schedule of Accounts Receivable, Net

Accounts receivable consisted of the following:

	March 31, 2024		December 31, 2023
Trade accounts receivable	$	142,245	$	134,495
Allowance for credit losses	(1,841)		(1,648)
Accounts receivable, net	$	140,404	$	132,847

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Inventories (Tables)

3 Months Ended

Mar. 31, 2024

Inventory Disclosure [Abstract]

Schedule of Inventory, Current

Inventories consist of the following (in thousands):

	March 31, 2024		December 31, 2023
Raw materials	$	5,974	$	6,099
Work in progress	1,003		839
Finished goods	5,495		5,740
Consumable supplies	2,607		2,605
Inventories	$	15,079	$	15,283

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Property, Plant and Equipment, net (Tables)

3 Months Ended

Mar. 31, 2024

Property, Plant and Equipment [Abstract]

Schedule of Property, Plant and Equipment, Net

Property, plant and equipment consisted of the following:

 

	Useful Life (Years)	March 31, 2024		December 31, 2023
Land		$	2,444	$	2,453
Buildings and improvements	30-40	26,728		26,663
Office furniture and equipment	5-8	21,424		21,334
Machinery and equipment	5-7	270,788		269,306
		321,384		319,756
Accumulated depreciation and amortization		(241,682)		(238,784)
Property, plant and equipment, net		$	79,702	$	80,972

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Goodwill (Tables)

3 Months Ended

Mar. 31, 2024

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Changes in Carrying Amount of Goodwill

Changes in the carrying amount of goodwill by segment is shown below:

	North America		International		Products and Systems		Total
Balance at December 31, 2023	$	187,354	$	—	$	—	$	187,354
Foreign currency translation	(1,628)		—		—		(1,628)
Balance at March 31, 2024	$	185,726	$	—	$	—	$	185,726

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Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2024

Intangible Assets, Net (Excluding Goodwill) [Abstract]

Schedule of Net Carrying Amount of Intangible Assets

The gross amount, accumulated amortization and net carrying amount of intangible assets were as follows:

 

		March 31, 2024						December 31, 2023
	Useful Life (Years)	Gross Amount		Accumulated Amortization		Net Carrying Amount		Gross Amount		Accumulated Amortization		Net Carrying Amount
Customer relationships	5-18	$	109,413	$	(90,463)	$	18,950	$	110,780	$	(90,506)	$	20,274
Software/Technology	3-15	55,541		(32,690)		22,851		55,053		(32,230)		22,823
Covenants not to compete	2-5	12,494		(12,455)		39		12,536		(12,488)		48
Other	2-12	10,367		(9,547)		820		10,466		(9,617)		849
Total		$	187,815	$	(145,155)	$	42,660	$	188,835	$	(144,841)	$	43,994

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Accrued Expenses and Other Current Liabilities (Tables)

3 Months Ended

Mar. 31, 2024

Payables and Accruals [Abstract]

Schedule of Accrued Expenses and Other Current Liabilities

Accrued expenses and other current liabilities consisted of the following:

 

	March 31, 2024		December 31, 2023
Accrued salaries, wages and related employee benefits	$	28,373	$	27,372
Accrued workers’ compensation and health benefits	3,590		4,385
Deferred revenue	9,244		7,136
Pension accrual	2,458		2,458
Right-of-use liability - Operating	10,743		10,686
Other accrued expenses	30,067		32,294
Total	$	84,475	$	84,331

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Long-Term Debt (Tables)

3 Months Ended

Mar. 31, 2024

Debt Disclosure [Abstract]

Schedule of Long-term Debt

Long-term debt consisted of the following:

	March 31, 2024		December 31, 2023
Senior credit facility	$	80,368	$	71,150
Senior secured term loan, net of unamortized debt issuance costs of $0.3 million and $0.4 million, respectively	114,499		115,253
Other	3,559		3,996
Total debt	198,426		190,399
Less: Current portion	(9,464)		(8,900)
Long-term debt, net of current portion	$	188,962	$	181,499

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Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2024

Fair Value Disclosures [Abstract]

Schedule of Changes in Fair Value of Level 3 Contingent Consideration

The following table represents the changes in the fair value of Level 3 contingent consideration:

 

	Three months ended March 31,
	2024		2023
Beginning balance	$	—	$	938
Payments	—		(938)
Revaluation	—		—
Ending balance	$	—	$	—

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Segment Disclosure (Tables)

3 Months Ended

Mar. 31, 2024

Segment Reporting [Abstract]

Schedule of Selected Consolidated Financial Information by Segment

Selected consolidated financial information by segment for the periods shown was as follows: (with intercompany transactions eliminated in Corporate and eliminations)

 

	Three months ended March 31,
	2024		2023
Revenue
North America	$	150,349	$	136,932
International	33,047		29,407
Products and Systems	3,210		3,739
Corporate and eliminations	(2,164)		(2,062)
	$	184,442	$	168,016

 

	Three months ended March 31,
	2024		2023
Gross profit
North America	$	39,991	$	36,637
International	9,459		7,367
Products and Systems	1,613		2,063
Corporate and eliminations	27		10
	$	51,090	$	46,077

Income (loss) from operations by operating segment includes intercompany transactions, which are eliminated in Corporate and eliminations.

	Three months ended March 31,
	2024		2023
Income (loss) from operations
North America	$	13,561	$	9,378
International	1,124		(568)
Products and Systems	314		384
Corporate and eliminations	(9,446)		(11,024)
	$	5,553	$	(1,830)

  

	Three months ended March 31,
	2024		2023
Depreciation and amortization
North America	$	6,218	$	6,357
International	1,913		1,859
Products and Systems	164		256
Corporate and eliminations	86		(59)
	$	8,381	$	8,413

 

	March 31, 2024		December 31, 2023
Intangible assets, net
North America	$	35,803	$	37,622
International	2,537		2,998
Products and Systems	1,089		1,168
Corporate and eliminations	3,231		2,206
	$	42,660	$	43,994

	March 31, 2024		December 31, 2023
Total assets
North America	$	411,853	$	402,782
International	99,518		99,398
Products and Systems	12,859		13,259
Corporate and eliminations	17,897		19,337
	$	542,127	$	534,776

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Description of Business and Basis of Presentation (Details) - segment	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Accounting Policies [Abstract]
Number of operating segments	3
Effective income tax rate	10.60%	15.60%

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Revenue - Narrative (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue recognized that was included in contract liability balance at the beginning of the year	$ 2.9	$ 3.1
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-04-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue, remaining performance obligation, expected timing of satisfaction period	1 year

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Revenue - Disaggregated Revenues (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Disaggregation of Revenue [Line Items]
Revenue	$ 184,442	$ 168,016
United States
Disaggregation of Revenue [Line Items]
Revenue	129,839	122,112
Other Americas
Disaggregation of Revenue [Line Items]
Revenue	19,361	17,653
Europe
Disaggregation of Revenue [Line Items]
Revenue	30,121	25,030
Asia-Pacific
Disaggregation of Revenue [Line Items]
Revenue	5,121	3,221
Oil & Gas
Disaggregation of Revenue [Line Items]
Revenue	113,165	98,665
Aerospace & Defense
Disaggregation of Revenue [Line Items]
Revenue	22,118	18,602
Industrials
Disaggregation of Revenue [Line Items]
Revenue	15,199	15,913
Power generation & Transmission
Disaggregation of Revenue [Line Items]
Revenue	5,852	7,970
Other Process Industries
Disaggregation of Revenue [Line Items]
Revenue	11,900	12,373
Infrastructure, Research & Engineering
Disaggregation of Revenue [Line Items]
Revenue	6,586	5,761
Petrochemical
Disaggregation of Revenue [Line Items]
Revenue	4,344	5,282
Other
Disaggregation of Revenue [Line Items]
Revenue	5,278	3,450
Operating segments | North America
Disaggregation of Revenue [Line Items]
Revenue	150,349	136,932
Operating segments | North America | United States
Disaggregation of Revenue [Line Items]
Revenue	129,458	120,600
Operating segments | North America | Other Americas
Disaggregation of Revenue [Line Items]
Revenue	17,127	14,270
Operating segments | North America | Europe
Disaggregation of Revenue [Line Items]
Revenue	1,153	1,412
Operating segments | North America | Asia-Pacific
Disaggregation of Revenue [Line Items]
Revenue	2,611	650
Operating segments | North America | Oil & Gas
Disaggregation of Revenue [Line Items]
Revenue	103,027	89,773
Operating segments | North America | Aerospace & Defense
Disaggregation of Revenue [Line Items]
Revenue	15,375	13,611
Operating segments | North America | Industrials
Disaggregation of Revenue [Line Items]
Revenue	8,909	9,302
Operating segments | North America | Power generation & Transmission
Disaggregation of Revenue [Line Items]
Revenue	3,592	4,987
Operating segments | North America | Other Process Industries
Disaggregation of Revenue [Line Items]
Revenue	7,928	9,109
Operating segments | North America | Infrastructure, Research & Engineering
Disaggregation of Revenue [Line Items]
Revenue	3,972	2,483
Operating segments | North America | Petrochemical
Disaggregation of Revenue [Line Items]
Revenue	3,813	5,137
Operating segments | North America | Other
Disaggregation of Revenue [Line Items]
Revenue	3,733	2,530
Operating segments | International
Disaggregation of Revenue [Line Items]
Revenue	33,047	29,407
Operating segments | International | United States
Disaggregation of Revenue [Line Items]
Revenue	296	309
Operating segments | International | Other Americas
Disaggregation of Revenue [Line Items]
Revenue	2,295	3,489
Operating segments | International | Europe
Disaggregation of Revenue [Line Items]
Revenue	28,663	24,183
Operating segments | International | Asia-Pacific
Disaggregation of Revenue [Line Items]
Revenue	1,793	1,426
Operating segments | International | Oil & Gas
Disaggregation of Revenue [Line Items]
Revenue	10,066	8,855
Operating segments | International | Aerospace & Defense
Disaggregation of Revenue [Line Items]
Revenue	6,732	4,980
Operating segments | International | Industrials
Disaggregation of Revenue [Line Items]
Revenue	5,853	6,053
Operating segments | International | Power generation & Transmission
Disaggregation of Revenue [Line Items]
Revenue	1,682	1,657
Operating segments | International | Other Process Industries
Disaggregation of Revenue [Line Items]
Revenue	3,933	3,237
Operating segments | International | Infrastructure, Research & Engineering
Disaggregation of Revenue [Line Items]
Revenue	2,205	2,136
Operating segments | International | Petrochemical
Disaggregation of Revenue [Line Items]
Revenue	531	145
Operating segments | International | Other
Disaggregation of Revenue [Line Items]
Revenue	2,045	2,344
Operating segments | Products & Systems
Disaggregation of Revenue [Line Items]
Revenue	3,210	3,739
Operating segments | Products & Systems | United States
Disaggregation of Revenue [Line Items]
Revenue	1,600	1,801
Operating segments | Products & Systems | Other Americas
Disaggregation of Revenue [Line Items]
Revenue	177	326
Operating segments | Products & Systems | Europe
Disaggregation of Revenue [Line Items]
Revenue	651	261
Operating segments | Products & Systems | Asia-Pacific
Disaggregation of Revenue [Line Items]
Revenue	782	1,351
Operating segments | Products & Systems | Oil & Gas
Disaggregation of Revenue [Line Items]
Revenue	72	37
Operating segments | Products & Systems | Aerospace & Defense
Disaggregation of Revenue [Line Items]
Revenue	11	11
Operating segments | Products & Systems | Industrials
Disaggregation of Revenue [Line Items]
Revenue	437	558
Operating segments | Products & Systems | Power generation & Transmission
Disaggregation of Revenue [Line Items]
Revenue	578	1,326
Operating segments | Products & Systems | Other Process Industries
Disaggregation of Revenue [Line Items]
Revenue	39	27
Operating segments | Products & Systems | Infrastructure, Research & Engineering
Disaggregation of Revenue [Line Items]
Revenue	409	1,142
Operating segments | Products & Systems | Petrochemical
Disaggregation of Revenue [Line Items]
Revenue	0	0
Operating segments | Products & Systems | Other
Disaggregation of Revenue [Line Items]
Revenue	1,664	638
Corp/Elim
Disaggregation of Revenue [Line Items]
Revenue	(2,164)	(2,062)
Corp/Elim | United States
Disaggregation of Revenue [Line Items]
Revenue	(1,515)	(598)
Corp/Elim | Other Americas
Disaggregation of Revenue [Line Items]
Revenue	(238)	(432)
Corp/Elim | Europe
Disaggregation of Revenue [Line Items]
Revenue	(346)	(826)
Corp/Elim | Asia-Pacific
Disaggregation of Revenue [Line Items]
Revenue	(65)	(206)
Corp/Elim | Oil & Gas
Disaggregation of Revenue [Line Items]
Revenue	0	0
Corp/Elim | Aerospace & Defense
Disaggregation of Revenue [Line Items]
Revenue	0	0
Corp/Elim | Industrials
Disaggregation of Revenue [Line Items]
Revenue	0	0
Corp/Elim | Power generation & Transmission
Disaggregation of Revenue [Line Items]
Revenue	0	0
Corp/Elim | Other Process Industries
Disaggregation of Revenue [Line Items]
Revenue	0	0
Corp/Elim | Infrastructure, Research & Engineering
Disaggregation of Revenue [Line Items]
Revenue	0	0
Corp/Elim | Petrochemical
Disaggregation of Revenue [Line Items]
Revenue	0	0
Corp/Elim | Other
Disaggregation of Revenue [Line Items]
Revenue	$ (2,164)	$ (2,062)

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Share-Based Compensation - Equity Incentive Plans (Details) - 2016 Plan - shares	May 23, 2022	Mar. 31, 2024
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total number of shares authorized for issuance (in shares)	4,900,000
Number of awards that may be granted (in shares)		450,000
Increase in total number of shares authorized for issuance (in shares)	1,200,000

XML

Share Based Compensation - Stock Options Narrative (Details) - $ / shares		3 Months Ended
	Oct. 11, 2023	Mar. 31, 2024	Mar. 31, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock option award granted (in shares)		0	0
Weighted average grant date fair value of stock option award granted (in dollars per share)		$ 0	$ 0
Interim President And CEO | Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock option award granted (in shares)	250,000
Weighted average grant date fair value of stock option award granted (in dollars per share)		$ 5.36
Expiration term of options	10 years
Expiration term of options in the event grantee no longer serving	1 year

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Share-Based Compensation - Stock Options (Details) - $ / shares shares in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding [Roll Forward]
Outstanding at beginning of period (in shares)	250	0
Granted (in shares)	0	0
Exercised (in shares)	0	0
Expired or forfeited (in shares)	0	0
Outstanding at end of period (in shares)	250	0
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]
Outstanding at beginning of period (in dollars per share)	$ 5.36	$ 0
Granted (in dollars per share)	0	0
Exercised (in dollars per share)	0	0
Expired or forfeited (in dollars per share)	0	0
Outstanding at end of period (in dollars per share)	$ 5.36	$ 0

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Share-Based Compensation - Restricted Stock Unit Awards - Narrative (Details) - Restricted Stock Unit Awards - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Recognized share-based compensation expense (benefit)	$ 1.0	$ 0.9
Unrecognized compensation cost, net of estimated forfeitures	$ 11.2
Weighted-average period over which unrecognized compensation cost is expected to be recognized (years)	3 years

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Share-Based Compensation - Vesting Activity of Restricted Stock Unit Awards (Details) - Restricted Stock Unit Awards - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock awards vested (in shares)	364	338
Fair value of awards vested	$ 3,261	$ 1,946

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Share-Based Compensation - Fully-vested Common Stock Issued to Non-employee Directors (Details) - Common Stock - Non-employee Directors - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Awards issued (in shares)	31	48
Grant date fair value of awards issued	$ 274	$ 275

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Share-Based Compensation - Restricted Stock Units Awards - Activity (Details) - Restricted Stock Unit Awards - $ / shares shares in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Restricted Stock Units Awards (Units)
Outstanding at beginning of period (in shares)	1,184	1,415
Granted (in shares)	598	542
Released (in shares)	(364)	(338)
Forfeited (in shares)	(10)	(22)
Outstanding at end of period (in shares)	1,408	1,597
Weighted Average Grant-Date Fair Value (in dollars per share)
Outstanding at the beginning of period (in dollars per share)	$ 8.07	$ 6.66
Granted (in dollars per share)	8.52	8.50
Released (in dollars per share)	8.95	5.76
Forfeited (in dollars per share)	8.37	7.82
Outstanding at end of period (in dollars per share)	$ 8.04	$ 7.44

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Share-Based Compensation - Performance Restricted Stock Units - Narrative (Details) - PRSUs shares in Thousands, $ in Millions	3 Months Ended		12 Months Ended
	Mar. 31, 2024 USD ($) shares	Mar. 31, 2023 USD ($) shares	Dec. 31, 2023 metric shares	Dec. 31, 2022 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of units increased (decreased) during the period (in shares) | shares	32
Recognized share-based compensation expense (benefit) | $	$ 0.1	$ 0.7
Unrecognized compensation cost | $	$ 2.4
Nonvested shares outstanding (in shares) | shares	309	382	60	280
Weighted-average period over which unrecognized compensation cost is expected to be recognized (years)	3 years
Executive and Senior Officers
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance period (years)	1 year
Vesting period	4 years
Requisite service period	5 years
Executive and Senior Officers | Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage, range of target award	0.00%
Executive and Senior Officers | Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage, range of target award	200.00%
Executive Officers
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of performance award metrics | metric			3

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Share-Based Compensation - Performance Restricted Stock Units - Activity (Details) - PRSUs - $ / shares shares in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Performance Restricted Stock (Units)
Outstanding at beginning of period (in shares)	60	280
Granted (in shares)	249	282
Performance condition adjustments (in shares)	0	(32)
Released (in shares)	0	(64)
Forfeited (in shares)	0	(84)
Outstanding at end of period (in shares)	309	382
Weighted Average Grant-Date Fair Value (in dollars per share)
Outstanding at the beginning of period (in dollars per share)	$ 9.33	$ 9.96
Granted (in dollars per share)	8.76	8.50
Performance condition adjustments (in dollars per share)	0	6.55
Released (in dollars per share)	0	5.58
Forfeited (in dollars per share)	0	6.95
Outstanding at end of period (in dollars per share)	$ 9.00	$ 9.12

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Earnings (loss) per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Basic earnings (loss) per share
Net income (loss) attributable to Mistras Group, Inc.	$ 995	$ (4,986)
Denominator:
Weighted-average common shares outstanding (in shares)	30,680	30,021
Basic earnings (loss) per share (in dollars per share)	$ 0.03	$ (0.17)
Denominator:
Weighted-average common shares outstanding (in shares)	30,680	30,021
Dilutive effect of stock options outstanding (in shares)	250	0
Dilutive effect of restricted stock units outstanding (in shares)	426	0
Weighted-average common shares outstanding, diluted (in shares)	31,356	30,021
Diluted earnings (loss) per share (in dollars per share)	$ 0.03	$ (0.17)
Restricted Stock
Denominator:
Potentially dilutive shares excluded from computation of diluted EPS due to net loss for the period (in shares)		1,513

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Acquisitions (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Business Combination and Asset Acquisition [Abstract]
Due diligence, professional fees and other transaction costs	$ 1	$ 3
Adjustments to fair value of contingent consideration liabilities	0	0
Acquisition-related expense, net	$ 1	$ 3

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Accounts Receivable, net - Summary (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Receivables [Abstract]
Trade accounts receivable	$ 142,245	$ 134,495
Allowance for credit losses	(1,841)	(1,648)
Accounts receivable, net	$ 140,404	$ 132,847

XML

Accounts Receivable, net - Narrative (Details) - USD ($) $ in Millions	Mar. 31, 2024	Dec. 31, 2023
Receivables [Abstract]
Unbilled revenues accrued	$ 36.5	$ 18.5

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Inventories (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023	Mar. 31, 2023
Inventory Disclosure [Abstract]
Raw materials	$ 5,974		$ 6,099
Work in progress	1,003		839
Finished goods	5,495		5,740
Consumable supplies	2,607		$ 2,605
Inventories	$ 15,079	$ 15,283

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Property, Plant and Equipment, net (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Property, Plant and Equipment, net
Property, plant and equipment, gross	$ 321,384		$ 319,756
Accumulated depreciation and amortization	(241,682)		(238,784)
Property, plant and equipment, net	79,702		80,972
Depreciation and amortization expense	6,500	$ 6,300
Land
Property, Plant and Equipment, net
Property, plant and equipment, gross	2,444		2,453
Buildings and improvements
Property, Plant and Equipment, net
Property, plant and equipment, gross	$ 26,728		26,663
Buildings and improvements | Minimum
Property, Plant and Equipment, net
Useful Life (Years)	30 years
Buildings and improvements | Maximum
Property, Plant and Equipment, net
Useful Life (Years)	40 years
Office furniture and equipment
Property, Plant and Equipment, net
Property, plant and equipment, gross	$ 21,424		21,334
Office furniture and equipment | Minimum
Property, Plant and Equipment, net
Useful Life (Years)	5 years
Office furniture and equipment | Maximum
Property, Plant and Equipment, net
Useful Life (Years)	8 years
Machinery and equipment
Property, Plant and Equipment, net
Property, plant and equipment, gross	$ 270,788		$ 269,306
Machinery and equipment | Minimum
Property, Plant and Equipment, net
Useful Life (Years)	5 years
Machinery and equipment | Maximum
Property, Plant and Equipment, net
Useful Life (Years)	7 years

XML

Goodwill - Changes in Carrying Amount of Goodwill (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2024 USD ($)
Goodwill [Roll Forward]
Balance at December 31, 2023	$ 187,354
Foreign currency translation	(1,628)
Balance at March 31, 2024	185,726
North America
Goodwill [Roll Forward]
Balance at December 31, 2023	187,354
Foreign currency translation	(1,628)
Balance at March 31, 2024	185,726
International
Goodwill [Roll Forward]
Balance at December 31, 2023	0
Foreign currency translation	0
Balance at March 31, 2024	0
Products and Systems
Goodwill [Roll Forward]
Balance at December 31, 2023	0
Foreign currency translation	0
Balance at March 31, 2024	$ 0

XML

Goodwill - Narrative (Details) $ in Thousands	3 Months Ended
	Sep. 30, 2023 USD ($)
International
Goodwill [Line Items]
Goodwill impairment charge	$ 13,800

XML

Intangible Assets - Summary (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Finite-Lived Intangible Assets [Line Items]
Gross Amount	$ 187,815		$ 188,835
Accumulated Amortization	(145,155)		(144,841)
Net Carrying Amount	42,660		43,994
Amortization expense of intangibles	1,900	$ 2,100
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Gross Amount	109,413		110,780
Accumulated Amortization	(90,463)		(90,506)
Net Carrying Amount	$ 18,950		20,274
Customer relationships | Minimum
Finite-Lived Intangible Assets [Line Items]
Useful Life (Years)	5 years
Customer relationships | Maximum
Finite-Lived Intangible Assets [Line Items]
Useful Life (Years)	18 years
Software/Technology
Finite-Lived Intangible Assets [Line Items]
Gross Amount	$ 55,541		55,053
Accumulated Amortization	(32,690)		(32,230)
Net Carrying Amount	$ 22,851		22,823
Software/Technology | Minimum
Finite-Lived Intangible Assets [Line Items]
Useful Life (Years)	3 years
Software/Technology | Maximum
Finite-Lived Intangible Assets [Line Items]
Useful Life (Years)	15 years
Covenants not to compete
Finite-Lived Intangible Assets [Line Items]
Gross Amount	$ 12,494		12,536
Accumulated Amortization	(12,455)		(12,488)
Net Carrying Amount	$ 39		48
Covenants not to compete | Minimum
Finite-Lived Intangible Assets [Line Items]
Useful Life (Years)	2 years
Covenants not to compete | Maximum
Finite-Lived Intangible Assets [Line Items]
Useful Life (Years)	5 years
Other
Finite-Lived Intangible Assets [Line Items]
Gross Amount	$ 10,367		10,466
Accumulated Amortization	(9,547)		(9,617)
Net Carrying Amount	$ 820		$ 849
Other | Minimum
Finite-Lived Intangible Assets [Line Items]
Useful Life (Years)	2 years
Other | Maximum
Finite-Lived Intangible Assets [Line Items]
Useful Life (Years)	12 years

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Accrued Expenses and Other Current Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Payables and Accruals [Abstract]
Accrued salaries, wages and related employee benefits	$ 28,373	$ 27,372
Accrued workers’ compensation and health benefits	3,590	4,385
Deferred revenue	9,244	7,136
Pension accrual	2,458	2,458
Right-of-use liability - Operating	10,743	10,686
Other accrued expenses	30,067	32,294
Total	$ 84,475	$ 84,331

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Long-Term Debt - Schedule of Long-Term Debt (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Debt Instrument [Line Items]
Total debt	$ 198,426	$ 190,399
Less: Current portion	(9,464)	(8,900)
Long-term debt, net of current portion	188,962	181,499
Senior credit facility
Debt Instrument [Line Items]
Total debt	80,368	71,150
Senior credit facility | Senior Secured Term Loan
Debt Instrument [Line Items]
Unamortized debt issuance costs	300	400
Total debt	114,499	115,253
Other
Debt Instrument [Line Items]
Total debt	$ 3,559	$ 3,996

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Long-Term Debt - Narrative (Details)				3 Months Ended
	Dec. 31, 2023	Dec. 30, 2023	Aug. 01, 2022 USD ($)	Mar. 31, 2024 USD ($)
Line of Credit | The Credit Agreement, JP Morgan Chase Bank
Debt Instrument [Line Items]
Lowest available margin applicable			1.25
Maximum margin, if greater than			3.75
Number of business days written notice is required			5 days
Minimum amount for threshold of business acquisition			$ 10,000,000
Line of Credit | The Credit Agreement, JP Morgan Chase Bank | Debt Covenant Period One
Debt Instrument [Line Items]
Total consolidated debt leverage ratio			4.0
Fixed charge coverage ratio		1.25
Line of Credit | The Credit Agreement, JP Morgan Chase Bank | Debt Covenant Period Two
Debt Instrument [Line Items]
Total consolidated debt leverage ratio			3.75
Fixed charge coverage ratio	1.1
Line of Credit | The Credit Agreement, JP Morgan Chase Bank | Debt Covenant Period Three
Debt Instrument [Line Items]
Fixed charge coverage ratio		1.25
Debt periodic payments			$ 1,560,000
Line of Credit | The Credit Agreement, JP Morgan Chase Bank | Debt Covenant Period Four
Debt Instrument [Line Items]
Debt periodic payments			2,340,000
Line of Credit | The Credit Agreement, JP Morgan Chase Bank | Debt Covenant Period Five
Debt Instrument [Line Items]
Debt periodic payments			$ 3,120,000
Line of Credit | The Credit Agreement, JP Morgan Chase Bank | Variable Rate Component | Maximum | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate
Debt Instrument [Line Items]
Margin rate (as a percent)			2.75%
Line of Credit | The Credit Agreement, JP Morgan Chase Bank | Variable Rate Component | Minimum | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate
Debt Instrument [Line Items]
Margin rate (as a percent)			1.25%
Revolving Credit Facility
Debt Instrument [Line Items]
Outstanding borrowings				$ 194,900,000
Outstanding letters of credit				2,900,000
Capitalized costs associated with debt modifications				1,200,000
Revolving Credit Facility | Senior Secured Term Loan A Facility
Debt Instrument [Line Items]
Debt outstanding				116,000,000
Other | Maximum
Debt Instrument [Line Items]
Debt periodic payments				$ 16,000
Interest rate				3.50%
Other | Minimum
Debt Instrument [Line Items]
Debt periodic payments				$ 700
Interest rate				0.40%
Revolving Credit Facility | Line of Credit | The Credit Agreement, JP Morgan Chase Bank
Debt Instrument [Line Items]
Maximum borrowing capacity			$ 190,000,000
Debt term (in years)			5 years
Maximum borrowing capacity in non-U.S. Dollar currencies			$ 100,000,000
Secured Debt | Line of Credit | The Credit Agreement, JP Morgan Chase Bank
Debt Instrument [Line Items]
Face amount of loan			125,000,000
Letter of Credit | Line of Credit | The Credit Agreement, JP Morgan Chase Bank
Debt Instrument [Line Items]
Maximum amount available for the issuance of letters of credit			$ 20,000,000

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Fair Value Measurements (Details) - Level 3 - Contingent Consideration - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Fair Value Liabilities Measured On Recurring Basis, Unobservable Input Reconciliation Calculation [Roll Forward]
Beginning balance	$ 0	$ 938
Payments	0	(938)
Revaluation	0	0
Ending balance	$ 0	$ 0

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Commitments and Contingencies (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Litigation
Pension plan withdrawal, potential liability	$ 2,458	$ 2,458
Pension Related Contingencies
Litigation
Pension plan withdrawal, potential liability	$ 2,500

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Segment Disclosure (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2024 USD ($) segment	Mar. 31, 2023 USD ($)	Dec. 31, 2023 USD ($)
Segment Reporting [Abstract]
Number of operating segments | segment	3
Financial information by segment
Revenue	$ 184,442	$ 168,016
Gross profit	51,090	46,077
Income (loss) from operations	5,553	(1,830)
Depreciation and amortization	8,381	8,413
Intangible assets, net	42,660		$ 43,994
Total assets	542,127		534,776
Operating segments | North America
Financial information by segment
Revenue	150,349	136,932
Gross profit	39,991	36,637
Income (loss) from operations	13,561	9,378
Depreciation and amortization	6,218	6,357
Intangible assets, net	35,803		37,622
Total assets	411,853		402,782
Operating segments | International
Financial information by segment
Revenue	33,047	29,407
Gross profit	9,459	7,367
Income (loss) from operations	1,124	(568)
Depreciation and amortization	1,913	1,859
Intangible assets, net	2,537		2,998
Total assets	99,518		99,398
Operating segments | Products and Systems
Financial information by segment
Revenue	3,210	3,739
Gross profit	1,613	2,063
Income (loss) from operations	314	384
Depreciation and amortization	164	256
Intangible assets, net	1,089		1,168
Total assets	12,859		13,259
Corporate and eliminations
Financial information by segment
Revenue	(2,164)	(2,062)
Gross profit	27	10
Income (loss) from operations	(9,446)	(11,024)
Depreciation and amortization	86	$ (59)
Intangible assets, net	3,231		2,206
Total assets	$ 17,897		$ 19,337