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 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 22,436,471 5.33% 126,486 0.03% securitie (2) Derivatives 13,629,890 3.24% 13,672,570 3.25% (other than options) (3) Options and 0 0.00% 0 0.00% agreements to purchase/sell Total 36,066,361 8.56% 13,799,056 3.28% (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 Price per unit Securities (GBP) Purchase 2,500 0.9769 Purchase 10,330 0.968 Purchase 500 0.9805 Purchase 285 1.0023 Purchase 1,000 1.0026 Purchase 200 0.9952 Purchase 400 0.9924 Purchase 2,000 1.0016 Purchase 2,000 0.9895 Purchase 2,553 0.9716 Purchase 2,042 0.9792 Purchase 400 0.9983 Purchase 23,934 1.039 Purchase 103 0.9683 Purchase 207 0.9716 Purchase 1,000 1.0026 Purchase 2,000 1.0226 Purchase 1,984 0.9991 Purchase 979 1.0085 Purchase 2,000 0.9941 Purchase 1,000 1.0093 Purchase 150 1.0127 Purchase 1,100 0.9851 Purchase 999 0.9891 Purchase 468 1.037 Purchase 1,000 0.9813 Purchase 6,085 0.986 Purchase 2,500 0.9724 Purchase 148 1.0095 Purchase 37 1.006 Purchase 600 0.9826 Purchase 2,500 0.9961 Purchase 5,000 0.994 Purchase 1,000 1.0387 Purchase 1,969 1.0156 Purchase 12,536 0.9827 Purchase 1,000 0.9811 Purchase 2,039 0.9804 Purchase 2,929 1.024 Purchase 370 0.9804 Purchase 1,200 0.999 Purchase 500 1.0227 Purchase 600 0.9796 Purchase 1,011 0.9882 Purchase 1,039 0.9509 Purchase 2,001 0.9994 Purchase 1,000 1.0227 Purchase 1,500 0.9986 Purchase 79,624 1.0105 Purchase 484 1.0023 Purchase 1,000 0.999 Purchase 23,433 0.9692 Purchase 53,525 0.995 Purchase 8 0.9696 Purchase 2,047 0.9685 Purchase 1,773 0.9994 Purchase 1,500 1.0128 Purchase 1,944 1.0197 Purchase 2,000 0.9792 Purchase 2,474 1.0025 Purchase 1,025 Transfer Purchase 4,000 0.9999 Purchase 301 0.9519 Purchase 3,000 0.9939 Purchase 1,000 1.0093 Purchase 1,930 1.0358 Purchase 1,000 0.9996 Purchase 2,500 1.0027 Purchase 1,826 0.9742 Purchase 2,000 1.0278 Sale 100 1.0203 Sale 2,500 0.9774 Sale 834 0.96 Sale 1,500 1.0051 Sale 1,973 1.003 Sale 1,231 0.9837 Sale 1,543 0.9908 Sale 1,000 1.0021 Sale 2,553 0.98 Sale 1,000 0.9907 Sale 1,000 0.9837 Sale 2,500 0.9775 Sale 370 1.0028 Sale 1,000 1.0028 Sale 70 0.9877 Sale 5,747 0.99 Sale 159 0.9759 Sale 1,944 1.0372 Sale 2,042 1.0164 Sale 10,000 1.036 Sale 5,000 0.99 Sale 404 1.0244 Sale 4,153 0.955 Sale 10,000 1.037 Sale 350 0.9908 Sale 511 0.9792 Sale 1,000 0.9983 Sale 211 0.9774 Sale 300 1.0002 Sale 2,000 1.0054 Sale 1,500 0.9908 Sale 10,000 0.9704 Sale 359 0.9569 Sale 1,737 0.96 Sale 1,000 1.003 Sale 2,239 1.0372 Sale 12,536 0.9961 Sale 69,563 1.0198 Sale 1,000 0.9767 Sale 1,921 1.0254 Sale 1,000 0.9997 Sale 2,500 0.9916 Sale 1,024 1.003 Sale 474 0.9596 Sale 1,773 0.9895 Sale 10,723 0.986 Sale 1,036 0.9908 Sale 200 1.013 Sale 94 1.0007 Sale 995 1.0054 Sale 2,047 0.9908 Sale 1,505 1.013 Sale 5,000 0.9984 Sale 10,000 1.037 Sale 249 0.9994 Sale 1,500 0.9917 Sale 1,678 1.0013 Sale 1,500 0.9919 Sale 1,826 1.0123 Sale 6,000 0.955 b) Derivatives transactions (other than options) Product name, Long/Short Number of Price per (e.g. CFD) (Note 6) Securities unit (GBP) CFD Short 23433 0.9691 CFD Short 12536 0.9826 CFD Short 53525 0.995 CFD Short 79624 1.0105 CFD Long 12536 0.9961 CFD Long 69563 1.0197 (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

Companies

Barclays (BARC)
UK 100

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