Kelly Services Announces First Quarter Conference Call

TROY, MI--(Marketwire - April 8, 2008) - Kelly Services, Inc. (NASDAQ: KELYA) (NASDAQ: KELYB), a world leader in human resources solutions, will release its first quarter earnings before the market opens on Tuesday, April 22, 2008. The company will host a conference call, including a question and answer opportunity, to discuss the financial results at 9:00 a.m. ET.

Carl Camden, president and chief executive officer, and Michael Debs, interim chief financial officer, will review the quarterly earnings results, performance highlights and guidance.

To access the call, dial (800) 398-9397 (domestic) or (612) 332-0523 (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 April 22 through May 22 at (800) 475-6701 (domestic) and (320) 365-3844 (international). The access code is 917255. 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.

Contact Information: Analyst Contact James Polehna (248) 244-4586 Media Contact Renee Walker (248) 244-4305