Kelly Services Announces Second Quarter Conference Call

Market Wire, July, 2008

Kelly Services, Inc. (NASDAQ: KELYA) (NASDAQ: KELYB), a world leader in human resources solutions, will release its second quarter earnings before the market opens on Tuesday, July 22, 2008. The company will host a conference call at 9:00 a.m. ET., to discuss the quarterly financial results, performance highlights and guidance.

To access the call, dial (800) 553-0272 (domestic) or (612) 288-0329 (international). The pass code is Kelly Services. The conference call is also available at www.kellyservices.com .

A recording of the conference call will be available after 2:00 p.m. ET on July 22 at (800) 475-6701 (domestic) and (320) 365-3844 (international). The access code is 917265. The web cast will also be available at www.kellyservices.com during this period.

About Kelly Services

Kelly Services, Inc. (NASDAQ: KELYA) (NASDAQ: KELYB) is a world leader in human resources solutions headquartered in Troy, Michigan, offering temporary staffing services, outsourcing, vendor on-site and full-time placement. Kelly operates in 37 countries and territories. Kelly provides employment to more than 750,000 employees annually, with skills including office services, accounting, engineering, information technology, law, science, marketing, creative services, light industrial, education, and health care. Revenue in 2007 was $5.7 billion. Visit www.kellyservices.com .

Analyst Contact James Polehna (248) 244-4586 james_polehna@kellyservices.com Media Contact James McIntire (248) 244-5370 james_mcintire@kellyservices.com