On-Site Sourcing Names Mary Ann Mayhew as Executive Vice President.

Business Editors

ALEXANDRIA, Va.--(BUSINESS WIRE)--July 22, 2002

On-Site Sourcing (Nasdaq:ONSS) today announced that Mary Ann Mayhew has joined the Company as Executive Vice President of Government & Professional Services.

Mayhew spent eighteen years with the public, federal government IT firm, Computer Data Systems, Inc. (CDSI), before the company merged with Affiliated Computer Services (NYSE: ACS). At CDSI, Mayhew held various senior level positions including Executive Vice President of Contracts & Legal Services, Executive Vice President of Business Development, and President of CDSI's Information Technology Solutions Company (ITS). ITS was a $170 million nationwide business employing 2600 IT professionals.

More recently, Mayhew has been providing consulting and interim CEO services for start-up companies. She was instrumental in securing investment capital, creating business infrastructures and marketing plans, and launching newly developed software products into the marketplace.

Mayhew holds a BBA in Marketing and a JD degree.

Christopher Weiler, President and Chief Executive Officer of On-Site, remarked, "I am excited about Mary Ann's arrival. She will provide the leadership and business savvy necessary to move On-Site into other vertical markets such as healthcare, financial services, and insurance. Her experience working in the federal government will provide the missing piece to our efforts thus far to secure government contracts. Lastly, her knowledge of contracts, legal services and business development will assist the entire management team."

On-Site Sourcing, Inc. provides various outsourcing services related to documents, data, and office management. Target clients generate large volumes of documents and information that require specialized processing, distribution, storage, and retrieval of these documents and related information they contain. Typical customers include law firms, corporations, nonprofit organizations, accounting firms, financial institutions and other organizations throughout the United States. The Company also provides commercial printing services utilizing digital printing technology.

This press release includes "forward-looking statements" within the meaning of the federal securities laws, which involve uncertainties and risks. These include statements regarding events or developments that the Company expects or anticipates will occur in the future, such as statements about the Company's strategies to improve operating performance. A number of risks and uncertainties could cause actual results, events and developments to differ from expectations, including the effectiveness of programs to increase revenues and cash flow and to reduce costs, and the actions of competitors. Please refer to the Company's 2001 Annual Report on Form 10-K and its other filings with the Securities and Exchange Commission for a complete discussion of these and other important factors that could cause results to differ materially from those projected by these forward-looking statements.