UBS AG (EPT)
15 October 2007

                                                                    FORM 38.5(b)

                 DEALINGS BY CONNECTED EXEMPT PRINCIPAL TRADERS

           WITHOUT RECOGNISED INTERMEDIARY STATUS, OR WITH RI STATUS

                  BUT NOT DEALING IN A CLIENT-SERVING CAPACITY

                      (Rule 38.5(b) of the Takeover Code)





1.         KEY INFORMATION


Name of exempt principal trader                UBS AG London Branch
Company dealt in                               XANSA PLC
Class of relevant security to which the        5p ordinary
dealings being disclosed relate (Note 1)
Date of dealing                                12 OCTOBER 2007





2.         INTERESTS, SHORT POSITIONS AND RIGHTS TO SUBSCRIBE



(a)        Interests and short positions (following dealing) in the class of

             relevant security dealt in (Note 2)


                                   Long                   Short
                                   Number      (%)        Number       (%)
(1) Relevant securities             6,551,610  1.88%           0       0.00%
(2) Derivatives (other than
options)
(3) Options and agreements to
purchase/sell
Total                               6,551,610  1.88%           0       0.00%



(b)        Interests and short positions in relevant securities of

            the company, other than the class dealt in (Note 2)


Class of relevant security:         Long                  Short
                                    Number     (%)        Number       (%)
(1) Relevant securities
(2) Derivatives (other than
options)
(3) Options and agreements to
purchase/sell
Total



(c)                Rights to subscribe (Note 2)
Class of relevant security:           Details




3.         DEALINGS (Note 3)

 (a)       Purchases and sales


Purchase/sale                       Number of securities     Price per unit (Note 4)


     PURCHASE                   3,350                        130 pence

(b)        Derivatives transactions (other than options)
Product name, e.g  Long/short (Note 5) Number of securities    Price per unit
CFD                                    (Note 6)                (Note 4)



(c)        Options transactions in respect of existing securities

(i)         Writing, selling, purchasing or varying


Product    Writing,      Number of    Exercise     Type, e.g.   Expiry     Option
name,e.g.  selling,      securities   price        American,    date       money paid/
call       purchasing,   to which the              European                received per
option     varying etc   option                    etc.                    unit (Note
                         relates                                           4)
                         (Note 6)






(ii)        Exercising


Product name, e.g. call  Number of securities  Exercise price per unit
option                                         (Note 4)





(d)        Other dealings (including new securities) (Note 3)


Nature of transaction   Details    Price per unit (if applicable)
(Note 7)





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.



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Is a Supplemental Form 38.5(b) attached? (Note 8)
                     NO


Date of disclosure                             15 OCTOBER 2007
Contact name                                   NIMISHA SACHDEV
Telephone number                               020 7568 9289
Name of offeree/offeror with which connected   Xansa PLC
Nature of connection (Note 9)                  CONNECTED ADVISER

Notes

The Notes on Form 38.5(b) can be viewed on the Takeover Panel's website at
www.thetakeoverpanel.org.uk






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