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               02 September 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       3,029,978       1.60%      360,408      0.19%
securities
(2) Derivatives       52,158       0.03%      266,616      0.14%
(other than
options)
(3) Options and            0       0.00%            0      0.00%
agreements to
purchase/sell
Total              3,082,136       1.63%      627,024      0.33%


(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      1,021                52.9567 CHF
Purchase      13,535               52.9276 CHF
Purchase      4,568                53.0213 CHF
Purchase      11,574               52.1172 CHF
Purchase      2,254                52.1151 CHF
Purchase      2,611                52.7459 CHF
Purchase      2,198                52.5267 CHF
Purchase      212                  52.9000 CHF
Purchase      4,622                53.0088 CHF
Purchase      1,495                52.9568 CHF
Purchase      1,728                52.9570 CHF
Purchase      16,032               52.9569 CHF
Purchase      3,930                52.9185 CHF
Purchase      823                  52.9185 CHF
Purchase      1,260                52.9185 CHF
Purchase      6,022                52.1951 CHF
Sale          16,050               52.8451 CHF
Sale          1,281                51.9466 CHF
Sale          6,309                52.0080 CHF
Sale          648                  52.4178 CHF
Sale          683                  53.1237 CHF
Sale          1,350                52.8500 CHF
Sale          22,045               52.9417 CHF
Sale          3,204                52.3500 CHF
Sale          2,689                51.6275 CHF
Sale          872                  52.5421 CHF
Sale          3,240                52.9000 CHF
Sale          15,446               52.9000 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          16050         52.845
CFD            Long          22045         52.9416
CFD            Long          683           53.1236
CFD            Short         2611          52.7459
CFD            Short         17980         52.9059
CFD            Short         13535         52.9276
CFD            Short         4622          53.0088
CFD            Short         4568          53.0212

(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)




(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                         03 September 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