ADECCO SHAREHOLDERS APPROVE DIVIDEND OF CHF 1.80 PER SHARE

Adecco shareholders approve dividend of CHF 1.80 per share

At today’s Annual General Meeting (AGM) of the Adecco Group, shareholders elected all Board members who stood for re-election and Mr. Dominique-Jean Chertier as a new Board member. The Board of Directors’ dividend proposal of CHF 1.80 per share and all other agenda items were also approved.

April 24, 2012 CORPORATE

he shareholders attending the Adecco Group’s AGM, which took place in Lausanne today, confirmed the following members of Adecco’s Board of Directors, who were available for re-election, for a further term of one year: Rolf Dörig (Chairman), Andreas Jacobs (Vice-Chairman), Alexander Gut, Didier Lamouche, Thomas O’Neill, David Prince and Wanda Rapaczynski.

The shareholders elected Dominique-Jean Chertier as a new member of the Board of Directors. Board member Jakob Baer did not stand for re-election.

Shareholders voted in favour of the Board of Directors’ proposal to pay a cash dividend of CHF 1.80 per share for the financial year 2011. The total amount of the dividend distribution for 2011 will be paid out of the capital contribution reserve, and is therefore exempt from Swiss withholding tax. The dividend payment to shareholders is planned on May 8, 2012. Furthermore, shareholders approved the Group’s Annual Report 2011 and the re-election of Ernst & Young Ltd, Zurich as Adecco S.A.’s statutory and Group auditors as well as all other agenda items.

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.