Holding(s) in Company

Holding(s) in Company

Zurich, Switzerland, 27 November 2012: Pursuant to Art. 9 and 21 of the
SESTO-FINMA, Adecco S.A. discloses the following:

1. Name of the listed company: Adecco S.A.

2. Proportion of voting rights held by Adecco S.A. (total holdings in
percent): see table under item 5.

3. Identity of those involved: Adecco S.A.

4. Nature of the agreement: Group of Companies

5. Number and type of shares/rights:

I. Purchase positions       Type         Number of Number of     Percentage of
                                         rights    voting rights voting rights
I.1. Equity securities                   4'158'243 4'158'243     2.20%
I.2. Conversion rights and
share purchase rights etc.
Underlying; Ratio; Strike
CHF; Maturity; Settlement
Adecco; 1:1; 10; Nov 2012;  Call options 1'000'000 1'000'000     0.53%
physical
Total category I.                                  5'158'243     2.73%
II. Sale positions
Underlying; Ratio; Strike
CHF; Maturity; Settlement
Adecco; 1:1; 46.98; Nov
2012; physical; Mandatory   Short shares 1'023'005 1'023'005     0.54%
Convertible Bond
Adecco; 1:1; 60; June 2013; Short call   2'550     2'550         <0.01%
physical                    option
Adecco; 1:1; 78.5; May      Short call   6'000     6'000         <0.01%
2014; physical              option
Adecco share awards; 1:1;
March 2013; physical (share Share awards 365'477   365'477       0.19%
awards)
Adecco share awards; 1:1;
March 2014; physical (share Share awards 262'123   262'123       0.14%
awards)
Adecco share awards; 1:1;
March 2014; physical (share Share awards 189'046   189'046       0.10%
awards)
Total Category II.                                 1'848'201     0.98%

6. Facts/circumstances triggering the obligation to notify:
Conversion of mandatory convertible bond

7. Time (date) of acquisition, sale or understanding through which the
shareholding reached, exceeded or fell below the percentage threshold: 26
November 2012

8. Representative: Adecco management & consulting S.A.
Sägereistrasse 10, CH-8152 Glattbrugg
Hans R. Brütsch, Phone +41 44 878 88 85,
Fax +41 44 829 88 85

Contact:
Adecco Investor Relations
Tel: +41 44 878 89 89
E-Mail: investor.relations@adecco.com

Disclosure of shareholdings (PDF)

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