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Adecco completes share buyback programme of EUR 400 million and

Adecco completes share buyback programme of EUR 400 million and starts new
share buyback programme of up to EUR 250 million

Zurich, Switzerland, September 17, 2013 - Adecco Group, the world's leading
provider of Human Resources solutions, announces that it has completed the EUR
400 million share buyback programme launched in July 2012. Adecco repurchased
9,721,446 of its shares (equal to 5.14% of the share capital) via a second
trading line on SIX Swiss Exchange. The average purchase price per share
excluding commissions was CHF 50.08.

The 2014 Adecco General Shareholders Meeting will resolve on the reduction of
share capital through cancellation of the repurchased shares.

Further and as anticipated in Adecco's Q2 2013 press release, Adecco launches
today a new share buyback programme of up to EUR 250 million.

The new share buyback programme will also be executed on the existing second
trading line on SIX Swiss Exchange. Repurchased shares will be cancelled after
formal shareholder approval. Shares purchased on the second trading line are
subject to the Swiss federal withholding tax of 35% on the difference between
the buyback price of the Adecco share and its nominal value of CHF 1.00.

For further information please contact:

Adecco Corporate Investor Relations

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

Adecco Corporate Press Office

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

Financial Agenda 2013/2014

• Q3 2013 results    November 6, 2013

• Q4/FY 2013 results March 12, 2014

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 31,000 FTE employees and around 5,200
branches, in over 60 countries and territories around the world, Adecco Group
offers a wide variety of services, connecting more than 650,000 associates
with over 100,000 clients every day. The services offered fall into the broad
categories of temporary staffing, permanent placement, career transition and
talent development, as well as outsourcing and consulting. The Adecco Group is
a Fortune Global 500 company.

Adecco S.A. is registered in Switzerland (ISIN: CH0012138605) and listed on
the SIX Swiss Exchange (ADEN).

Press Release (PDF)

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