Rule 8.3 - ADECCO SA

FORM 8.3

    DEALINGS BY PERSONS WITH INTERESTS IN SECURITIES REPRESENTING 1% OR MORE
              (Rule 8.3 of the City Code on Takeovers and Mergers)


1.   KEY INFORMATION

Name of person dealing        BARCLAYS PLC
(Note 1)
Company dealt in              ADECCO SA
Class of relevant security    CHF1(REGD)
to which the dealings being
disclosed relate (Note 2)
Date of dealing               07 August 2008

2.   INTERESTS, SHORT POSITIONS AND RIGHTS TO SUBSCRIBE

(a)  Interests and short positions (following dealing) in the class of relevant
security dealt in (Note 3)

                            Long                     Short

                      Number       (%)         Number       (%)

(1) Relevant       2,785,110       1.47%      574,049      0.30%
securities
(2) Derivatives      219,665       0.12%      370,738      0.20%
(other than
options)
(3) Options and            0       0.00%            0      0.00%
agreements to
purchase/sell
Total              3,004,775       1.59%      944,787      0.50%

(b)  Interests and short positions in relevant securities of the company, other
     than the class dealt in (Note 3)

Class of                    Long                     Short
relevant
security:

                  Number              (%)   Number              (%)

(1) Relevant
securities

(2) Derivatives
(other than
options)

(3) Options and
agreements to
purchase/sell

Total


  (c)  Rights to subscribe (Note 3)

Class of relevant security:   Details



3.   DEALINGS (Note 4)

  (a)  Purchases and sales

Purchase/sale Number of Securities Price per unit
                                   (GBP)
Purchase      1,616                50.5146 CHF
Purchase      5,584                50.5250 CHF
Purchase      8,905                51.1480 CHF
Purchase      374                  51.0568 CHF
Purchase      3,125                51.3288 CHF
Purchase      26,279               50.7471 CHF
Purchase      106                  50.5000 CHF
Purchase      7,187                50.7378 CHF
Purchase      1,116                51.5451 CHF
Purchase      706                  51.5462 CHF
Purchase      7,354                51.5447 CHF
Purchase      2,864                50.9798 CHF
Sale          2,128                51.5791 CHF
Sale          413                  50.5000 CHF
Sale          2,706                51.5289 CHF
Sale          9,294                51.2518 CHF
Sale          7,172                50.8781 CHF
Sale          2,047                50.5000 CHF
Sale          5,737                51.5212 CHF
Sale          374                  51.0852 CHF

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          7172          50.878
CFD            Long          374           51.0851
CFD            Long          9294          51.2517
CFD            Long          5737          51.5211
CFD            Long          2706          51.5288
CFD            Long          2128          51.579
CFD            Short         1616          50.5146
CFD            Short         7187          50.7377
CFD            Short         26279         50.747
CFD            Short         374           51.0567
CFD            Short         8905          51.1479
CFD            Short         3125          51.3288

(c)  Options transactions in respect of existing securities

(i)  Writing, selling, purchasing or varying

Product name,   Writing,          Number of          Exercise  Type, e.g.      Expiry   Option money
e.g. call       selling,          securities to      price     American,       date     paid/received
option          purchasing,       which the option             European etc.            per unit (GBP)
                varying etc.      relates (GBP)


(ii) Exercising

Product name, e.g.  Number of           Exercise price per
call option         securities          unit (Note 5)
Warrant             2,100,000           0.7500



(d)  Other dealings (including new securities) (Note 4)


Nature of transaction Details           Price per unit
(Note 8)                                (if applicable)
                                        (Note 5)




4.   OTHER INFORMATION


Agreements, arrangements or understandings relating to options or derivatives


Full details of any agreement, arrangement or understanding between the
person disclosing and any other person relating to the voting rights of
any relevant securities under any option referred to on this form or
relating to the voting rights or future acquisition or disposal of any
relevant securities to which any derivative referred to on this form is
referenced.  If none, this should be stated.

None


Is a Supplemental Form 8 attached? (Note 9)                 NO


Date of disclosure                         08 August 2008
Contact name                               Geoff Smith
Telephone number                           020 7116 2913
If a connected EFM, name of
offeree/offeror with which connected
If a connected EFM, state nature of
connection (Note 10)


Notes

The Notes on Form 8.3 can be viewed on the Takeover Panel's website at
www.thetakeoverpanel.org.uk