Exhibit 99.1

FOR IMMEDIATE RELEASE

Contact:	M. Keith Waddell
	Vice Chairman, President and
	Chief Financial Officer
	(650) 234-6000

ROBERT HALF INTERNATIONAL INC. REPORTS REVENUES AND EARNINGS FOR THE THIRD QUARTER OF 2007

MENLO PARK, California, October 18, 2007 — Robert Half International Inc. (NYSE symbol: RHI) today reported revenues and earnings for the third quarter ended September 30, 2007.

For the quarter ended September 30, 2007, net income was $74.0 million or $.46 per share, on revenues of $1.18 billion. Net income for the prior year’s third quarter was $73.6 million or $.43 per share, on revenues of $1.03 billion.

For the nine months ended September 30, 2007, net income was $217.4 million or $1.32 per share, on revenues of $3.43 billion. For the nine months ended September 30, 2006, net income was $207.8 million or $1.20 per share, on revenues of $2.95 billion.

Harold M. Messmer, Jr., chairman and chief executive officer of Robert Half International, said: “Our staffing operations reported strong revenue growth compared to last year, led by our international operations. Our accounting and finance staffing divisions, including permanent placement, continued to perform well.”

Commenting on the company’s Protiviti subsidiary, Messmer said: “Protiviti posted solid sequential revenue gains and benefited from expanded consulting revenues in areas such as IT asset management, forensic investigations and new internal audit engagements.”

Robert Half International management will conduct a conference call today at 5 p.m. EDT following the release. The dial-in number is 1-800-862-9098 (+1-785-424-1051 outside the United States) and the passcode is “Robert Half International.” A taped recording of this call will be available for replay beginning at approximately 8 p.m. EDT today and ending at 8 p.m. EDT on October 25. The dial-in number for the replay is 1-800-753-9146 (+1-402-220-2705 outside the United States). The conference call also will be archived in audio format on the company’s website at www.rhi.com.

Founded in 1948, Robert Half International Inc., the world’s first and largest specialized staffing firm, is a recognized leader in professional consulting and staffing services, and is the parent company of Protiviti^® (www.protiviti.com), a leading independent internal audit and risk consulting firm. The company’s specialized staffing divisions include Accountemps^®, Robert Half^® Finance & Accounting and Robert Half^® Management Resources, for temporary, full-time and project professionals, respectively, in the fields of accounting and finance; OfficeTeam^®, for highly skilled temporary administrative support personnel; Robert Half^® Technology, for information technology professionals; Robert Half^® Legal, for legal personnel; and The Creative Group^®, for advertising, marketing and web design professionals. The company has staffing and consulting operations in more than 400 locations worldwide.

Certain information contained in this press release may be deemed forward-looking statements regarding events and financial trends that may affect the company’s future operating results or financial positions. These statements may be identified by words such as “estimate”, “forecast”, “project”, “plan”, “intend”, “believe”, “expect”, “anticipate”, or variations or negatives thereof, or by similar or comparable words or phrases.

Forward-looking statements are subject to risks and uncertainties that could cause actual results to differ materially from those expressed in the statements.

These risks and uncertainties include, but are not limited to, the following: changes in levels of unemployment and other economic conditions in the United States or foreign countries where the company does business, or in particular regions or industries; reduction in the supply of candidates for temporary employment or the company’s ability to attract candidates; the entry of new competitors into the marketplace or expansion by existing competitors; the ability of the company to maintain existing client relationships and attract new clients in the context of changing economic or competitive conditions; the impact of competitive pressures, including any change in the demand for the company’s services, on the company’s ability to maintain its margins; the possibility of the company incurring liability for its activities, including the activities of its temporary employees, or for events impacting its temporary employees on clients’ premises; the possibility that adverse publicity could impact the company’s ability to attract and retain clients and candidates; the success of the company in attracting, training, and retaining qualified management personnel and other staff employees; whether governments will impose additional regulations or licensing requirements on personnel services businesses in particular or on employer/employee relationships in general; whether there will be ongoing demand for Sarbanes-Oxley or other regulatory compliance services; and litigation relating to prior or current transactions or activities, including litigation that may be disclosed from time to time in the company’s SEC filings.

Additionally, with respect to Protiviti, other risks and uncertainties include the fact that future success will depend on its ability to retain employees and attract clients; there can be no assurance that there will be ongoing demand for Sarbanes-Oxley or other regulatory compliance services; failure to produce projected revenues could adversely affect financial results; and there is the possibility of involvement in litigation relating to prior or current transactions or activities.

Because long-term contracts are not a significant part of the company’s business, future results cannot be reliably predicted by considering past trends or extrapolating past results. The company undertakes no obligation to update information contained in this release.

A copy of this release is available at www.rhi.com.

ATTACHED: Summary of Operations

Supplemental Financial Information

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ROBERT HALF INTERNATIONAL INC. AND SUBSIDIARIES

SUMMARY OF OPERATIONS

(in thousands, except per share amounts)

	Quarter Ended September 30,						Nine Months Ended September 30,
	2007			2006			2007			2006
	(Unaudited)						(Unaudited)
Net service revenues	$	1,179,045		$	1,027,563		$	3,425,598		$	2,953,312
Direct costs of services		678,252			595,566			1,971,391			1,710,109
Gross margin		500,793			431,997			1,454,207			1,243,203
Selling, general and administrative expenses		381,031			316,732			1,104,046			912,387
Amortization of intangible assets		748			231			1,840			605
Interest income		(3,125	)		(4,874	)		(10,215	)		(12,500	)
Income before income taxes		122,139			119,908			358,536			342,711
Provision for income taxes		48,176			46,261			141,140			134,906
Net income	$	73,963		$	73,647		$	217,396		$	207,805
Diluted net income per share	$	.46		$	.43		$	1.32		$	1.20
Shares:
Basic		158,480			165,177			161,014			166,781
Diluted		161,903			169,983			165,166			172,666

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ROBERT HALF INTERNATIONAL INC. AND SUBSIDIARIES

SUPPLEMENTAL FINANCIAL INFORMATION

(in thousands)

	Quarter Ended September 30,				Nine Months Ended September 30,
	2007		2006		2007		2006
	(Unaudited)				(Unaudited)
REVENUES:
Accountemps	$	443,719	$	377,622	$	1,291,766	$	1,095,840
OfficeTeam		215,163		196,125		638,532		575,015
Robert Half Technology		110,174		91,336		314,245		264,071
Robert Half Management Resources		156,637		132,301		453,348		377,582
Robert Half Finance & Accounting		112,791		88,463		326,500		249,499
Protiviti		140,561		141,716		401,207		391,305
Total	$	1,179,045	$	1,027,563	$	3,425,598	$	2,953,312
GROSS MARGIN:
Temporary and consultant staffing	$	345,540	$	293,110	$	1,001,652	$	853,562
Permanent placement staffing		112,786		88,463		326,495		249,499
Risk consulting and internal audit services		42,467		50,424		126,060		140,142
Total	$	500,793	$	431,997	$	1,454,207	$	1,243,203
OPERATING INCOME:
Temporary and consultant staffing	$	95,511	$	79,135	$	273,968	$	232,289
Permanent placement staffing		20,262		20,584		64,202		58,040
Risk consulting and internal audit services		3,989		15,546		11,991		40,487
Total	$	119,762	$	115,265	$	350,161	$	330,816
SELECTED CASH FLOW INFORMATION:
Amortization of intangible assets	$	748	$	231	$	1,840	$	605
Depreciation expense	$	17,835	$	15,169	$	51,085	$	44,970
Capital expenditures	$	17,209	$	20,623	$	63,592	$	64,137
Open market repurchases of common stock (shares)		3,502		4,714		9,161		7,073

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ROBERT HALF INTERNATIONAL INC. AND SUBSIDIARIES

SUPPLEMENTAL FINANCIAL INFORMATION

(in thousands)

	September 30,
	2007		2006
	(Unaudited)
SELECTED BALANCE SHEET INFORMATION:
Cash and cash equivalents	$	328,657	$	431,657
Accounts receivable, less allowances	$	628,254	$	536,629
Total assets	$	1,487,523	$	1,432,243
Current liabilities	$	488,522	$	432,652
Notes payable and other indebtedness, less current portion	$	3,748	$	3,918
Total stockholders’ equity	$	983,242	$	986,703

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