Rule 8.3 - ABBOT GROUP

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 ABBOT GROUP Class of relevant security ORD GBP0.15 to which the dealings being disclosed relate (Note 2) Date of dealing 05 December 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 8,058,758 3.47% 1,542,457 0.66% securities (2) Derivatives 3,848,903 1.66% 6,228,167 2.68% (other than options) (3) Options and 0 0.00% 0 0.00% agreements to purchase/sell Total 11,907,661 5.12% 7,770,624 3.34% (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 2,678 3.3986 Purchase 2,500 3.4697 Purchase 1,000 3.3985 Purchase 2,500 3.4690 Purchase 340 3.4622 Purchase 1,000 3.3270 Purchase 1,000 3.3960 Purchase 902 3.2206 Purchase 35,287 3.2237 Purchase 17,931 3.2183 Purchase 17,931 3.2183 Purchase 64,140 3.3689 Purchase 2,500 3.4295 Purchase 17,931 3.2183 Purchase 15,712 3.4156 Purchase 2,500 3.4290 Sale 314 3.5025 Sale 5,000 3.4360 Sale 34,000 3.4325 Sale 17,931 3.2183 Sale 7,978 3.5110 Sale 55,289 3.3762 Sale 17,931 3.2183 Sale 15,712 3.4756 Sale 1,000 3.2230 (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 17931 3.2182 CFD Short 902 3.2206 CFD Short 35287 3.2237 CFD Short 13569 3.3093 CFD Short 50571 3.3849 CFD Short 2678 3.3985 CFD Short 15712 3.4156 CFD Long 28759 3.2183 CFD Long 55289 3.3761 CFD Long 15712 3.4755 CFD Long 7978 3.511 (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 06 December 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 8.3 can be viewed on the Takeover Panel's website at www.thetakeoverpanel.org.uk

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Barclays (BARC)
UK 100

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