Formal close of transaction anticipated on January 19, 2010

Zurich, Switzerland, January 15, 2010: Adecco Group, the world's leading provider of HR solutions, announced today that the shareholders of MPS Group, Inc. ('MPS Group') have approved the acquisition.

At a special meeting held earlier today, MPS Group shareholders approved the previously announced agreement and plan of merger entered into with Adecco. After having received all necessary regulatory approvals, the positive vote of MPS Group shareholders represents the final substantive step towards a successful completion of the transaction. The acquisition is anticipated to formally close on January 19, 2010.


Contacts:

Adecco Corporate Investor Relations

Investor.relations@adecco.com or +41 (0) 44 878 89 89

Adecco Corporate Press Office

Press.office@adecco.com or +41 (0) 44 878 87 87


Forward-looking statements
Information in this release may involve guidance, expectations, beliefs, plans, intentions or strategies regarding the future. These forward-looking statements involve risks and uncertainties. All forward-looking statements included in this release are based on information available to Adecco S.A. as of the date of this release, and we assume no duty to update any such forward-looking statements. The forward-looking statements in this release are not guarantees of future performance and actual results could differ materially from our current expectations. Numerous factors could cause or contribute to such differences. Factors that could affect the Company's forward-looking statements include, among other things: global GDP trends and the demand for temporary work; changes in regulation of temporary work; intense competition in the markets in which the Company operates; integration of acquired companies; changes in the Company's ability to attract and retain qualified internal and external personnel or clients; the potential impact of disruptions related to IT; any adverse developments in existing commercial relationships, disputes or legal and tax proceedings.

About the Adecco Group
The Adecco Group, based in Zurich, Switzerland, is the world's leading provider of HR solutions. With over 28,000 FTE employees and more than 5,700 offices, in over 60 countries and territories around the world, Adecco Group offers a wide variety of services, connecting more than 500,000 colleagues with over 100,000 clients every day. The services offered fall into the broad categories of temporary staffing, permanent placement, outsourcing, consulting and outplacement. The Adecco Group is a Fortune Global 500 company.

Adecco S.A. is registered in Switzerland (ISIN: CH0012138605) with listings on the SIX Swiss Exchange (ADEN) and on Euronext in France (ADE).