Rule 8.3 - NORTHERN ROCK PLC

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 NORTHERN ROCK PLC Class of relevant security ORD GBP0.25 to which the dealings being disclosed relate (Note 2) Date of dealing 21 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 11,222,797 2.66% 34,996 0.01% securities (2) Derivatives 31,840 0.01% 1,733,315 0.41% (other than options) (3) Options and 0 0.00% 0 0.00% agreements to purchase/sell Total 11,254,637 2.67% 1,768,311 0.42% (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 1,241,199 .8566 Purchase 24,377 .8870 Purchase 5,907 .8870 Purchase 88,967 .8870 Purchase 80,460 .8550 Purchase 8,000 .8751 Purchase 1,241,199 .8566 Purchase 15,802 .8921 Purchase 23,802 .8947 Purchase 17,338 .8961 Purchase 80,460 .8550 Purchase 80,460 .8551 Purchase 15,831 .9050 Purchase 1,312,057 .8560 Purchase 1,131,812 .8552 Purchase 30,284 .8870 Purchase 8,000 .9000 Purchase 68,082 .8625 Purchase 15,967 .8974 Sale 65,856 .8550 Sale 80,460 .8550 Sale 8,000 .8999 Sale 15,802 .8920 Sale 23,802 .8947 Sale 16,821 .8550 Sale 5,907 .8870 Sale 80,460 .8550 Sale 8,000 .8750 Sale 1,131,812 .8550 Sale 52,852 .8550 Sale 103,469 .8550 Sale 23,802 .8947 Sale 900 .8973 Sale 15,831 .9050 Sale 30,849 .8550 Sale 545 .8846 Sale 68,082 .8623 Sale 125 .8846 Sale 15,967 .8974 Sale 16,084 .9042 Sale 10,941 .8550 Sale 14,443 .8550 Sale 1,241,199 .8566 Sale 57,324 .8550 Sale 1,312,057 .8560 Sale 360 .8846 Sale 254 .8846 Sale 24,377 .8870 Sale 490 .8846 Sale 17,338 .8960 (b) Derivatives transactions (other than options) Product name, Long/Short Number of Price per (e.g. CFD) (Note 6) Securities unit (GBP) CFD Short 1212272 0.8551 CFD Short 68082 0.8624 CFD Short 8000 0.8751 CFD Short 17338 0.896 CFD Short 15967 0.8974 CFD Long 15802 0.8919 CFD Long 8000 0.8998 (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 24 December 2007 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

Companies

Barclays (BARC)
UK 100

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