Houston, TX - March 31, 2009 - UK-based Impellam Group plc (www.impellam.com) appoints Mark Rybarczyk as Vice President, Human Resources of Impellam’s North American business operations, which include CORESTAFF Services (www.corestaff.com) and other staffing companies. Rybarczyk is based in Houston and assumes his new position on March 31, 2009.

“I’m pleased to welcome Mark into his new role,” said Jim Boone, Impellam Group’s North American president and chief executive officer. “His breadth of knowledge about all aspects of human resources combined with his executive-level management experience makes him a valuable leader and resource for a human capital services provider like CORESTAFF. I look forward to his contributions.”

Rybarczyk brings 29 years of experience in human resources and executive management to his new role. Most recently, Rybarczyk was one of the original partners of Nosal Partners, where he served as managing partner, Southwest region, helping to develop and execute the firm’s strategic focus, market positioning, and business plan. Prior to that, he was with Bisys Group Inc. (acquired by Citigroup and J.C. Flowers) for 16 years as executive vice president, Human Resources, serving on the executive committee during a period of strong revenue growth. He fulfilled a broad range of merger and acquisition responsibilities and recruited across 50 diverse geographies for hard-to-find skill sets and executive-level positions. He also designed and administered benefits, payroll services and human resource information systems, and worked with the executive team on organizational design and structure, among a wide range of other human resources-related activities. Rybarczyk has also worked for Automatic Data Processing (ADP) and Shell Oil Company.

Rybarczyk is an active member of the Society for Human Resource Management, Global Equity Organization and World at Work. He graduated from Hamilton College with a Bachelor of Arts degree and earned his Master’s degree in Industrial and Labor Relations (MILR) from Cornell University. He is also an accredited Certified Employee Benefits Specialist (CEBS) through the Wharton School.

CORESTAFF Services is one of the top 50 largest national staffing firms in America with offices in 21 states. CORESTAFF employs more than 36,000 temporary workers annually and operates over 100 offices throughout the United States.

CORESTAFF also operates as TeleSec CORESTAFF in the Washington, DC, area and Leafstone Staffing Services in the New York City metropolitan area. CORESTAFF is not affiliated with Core Staffing Services, Inc., which operates in the New York Metro Area. CORESTAFF is headquartered in Houston, Texas. Please visit CORESTAFF Services at www.corestaff.com.

Impellam Group plc is the parent company of CORESTAFF Services. Based in the UK, Impellam operates across a broad range of staffing sectors and is complemented by businesses in the outsourced support services sector.

In addition to its CORESTAFF locations in the United States, Impellam operates offices throughout the United Kingdom, Australia, New Zealand, Ireland and Switzerland.

For more information on Impellam, please visit www.impellam.com.