Rule 8.3 - SONDEX

FORM 8.1

    DEALINGS BY PERSONS WITH INTERESTS IN SECURITIES REPRESENTING 1% OR MORE
              (Rule 8.1(a) and (b)(i) of the City Code on Takeovers and Mergers)


1.   KEY INFORMATION

Name of person dealing        BARCLAYS PLC
(Note 1)
Company dealt in              SONDEX
Class of relevant security    ORD GBP0.10
to which the dealings being
disclosed relate (Note 2)
Date of dealing               03 September 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 3)

                             Long                        Short

                       Number       (%)           Number       (%)

(1) Relevant         1,676,329     2.94%           113,426   0.20%
securities
(2) Derivatives        140,104     0.25%           192,351   0.34%
(other than
options)
(3) Options and              0     0.00%                 0   0.00%
agreements to
purchase/sell
Total                1,816,433     3.18%            305,777  0.54%


(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      3,234                4.5414
Purchase      380                  4.5325
Purchase      102                  4.5450
Purchase      321                  4.5995
Purchase      8,445                4.5400
Purchase      65,000               4.5333
Purchase      5,000                4.5450
Purchase      424                  4.5650
Purchase      3,234                4.5414
Purchase      1,102                4.5370
Purchase      387                  4.5325
Purchase      2,500                4.5617
Purchase      331                  4.5450
Purchase      1,000                4.5445
Sale          200                  4.5326
Sale          3,000                4.5525
Sale          577                  4.5400
Sale          1,200                4.5630
Sale          1,000                4.5300
Sale          1,446                4.5325
Sale          919                  4.5400
Sale          2,000                4.5600
Sale          3,500                4.5325
Sale          277                  4.5401
Sale          500                  4.5376
Sale          2,192                4.5630
Sale          500                  4.5326
Sale          800                  4.5300
Sale          63                   4.5351
Sale          355                  4.5325
Sale          1,000                4.5625
Sale          691                  4.5375
Sale          319                  4.5376
Sale          3,000                4.5300
Sale          1,500                4.5500
Sale          2,175                4.5300
Sale          54                   4.5426
Sale          1,900                4.5400
Sale          868                  4.5400
Sale          330                  4.5005
Sale          1,025                4.5351
Sale          3,403                4.5400
Sale          380                  4.5325
Sale          387                  4.5325
Sale          380                  4.5325
Sale          13,878               4.5442
Sale          1,043                4.5400
Sale          216,175              4.5350
Sale          2,457                4.5358
Sale          5,690                4.5400
Sale          387                  4.5325
Sale          600                  4.5400
Sale          1,824                4.5330
Sale          2,500                4.5300
Sale          2,500                4.5375
Sale          2,000                4.5325
Sale          1,000                4.5325
Sale          942                  4.5375
Sale          1,000                4.5300
Sale          1,400                4.5503
Sale          4,217                4.5325
Sale          1,000                4.5325
Sale          1,135                4.5301
Sale          3,049                4.5400
Sale          1,281                4.5325
Sale          282                  4.5401
Sale          2,500                4.5400
Sale          200                  4.5376
Sale          2,500                4.5325
Sale          3,234                4.5414


(b)  Derivatives transactions (other than options)

Product    Long/Short    Number of Securities  Price Per
name,      (Note 6)      (Note 7)              Unit (GBP)
e.g. CFD
CFD        Short         65000                 4.5333
CFD        Short         3234                  4.5413
CFD        Short         2500                  4.5616
CFD        Short         424                   4.565
CFD        Long          767                   4.5325
CFD        Long          1824                  4.533
CFD        Long          2457                  4.5357
CFD        Long          3234                  4.5414

(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
None

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.




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


Date of disclosure                         04 September 2007
Contact name                               BARCLAYS COMPLIANCE
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 8.1 can be viewed on the Takeover Panel's website at
www.thetakeoverpanel.org.uk