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 24 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 3) Long Short Number (%) Number (%) (1) Relevant 24,770,380 5.88% 207,336 0.05% securities (2) Derivatives 6,234,644 1.48% 5,859,956 1.39% (other than options) (3) Options and 0 0.00% 0 0.00% agreements to purchase/sell Total 31,005,024 7.36% 6,067,292 1.44% (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 260 1.9194 Purchase 2,400 1.8836 Purchase 2,100 1.8720 Purchase 20,618 1.9400 Purchase 45 1.9580 Purchase 7,000 1.9204 Purchase 40 1.8735 Purchase 371 1.8496 Purchase 600 1.8876 Purchase 1,038 1.9096 Purchase 2,578 1.9390 Purchase 3,815 1.8347 Purchase 5,000 1.8796 Purchase 1,807 1.8097 Purchase 3,546 1.8496 Purchase 5,000 1.9038 Purchase 498 1.9214 Purchase 5,127 1.9300 Purchase 5,375 1.8496 Purchase 34 1.9254 Purchase 1,000 1.8250 Purchase 25,783 1.9100 Purchase 96 1.9400 Purchase 3,800 1.8418 Purchase 7,000 1.8496 Purchase 3,965 1.8786 Purchase 538 1.8350 Purchase 6,733 1.9200 Purchase 2,616 1.9106 Purchase 788 1.8784 Purchase 1,250 1.8848 Purchase 3,000 1.8972 Purchase 2,600 1.9215 Purchase 390 1.9214 Purchase 1,368 1.9000 Purchase 7,686 1.8993 Purchase 400 1.9066 Purchase 107 1.9400 Purchase 1,762 1.8596 Purchase 2,745 1.8097 Purchase 33 1.8866 Purchase 266 1.8998 Purchase 137 1.9400 Purchase 540 1.8506 Purchase 249 1.9254 Purchase 50,000 1.9090 Purchase 1,000 1.8235 Purchase 5,000 1.8856 Purchase 550 1.9083 Purchase 2,000 1.8816 Purchase 319 1.8755 Purchase 259 1.8896 Purchase 1,000 1.9028 Purchase 5,000 1.8180 Purchase 1,568 1.8287 Purchase 150 1.9460 Purchase 1,756 1.8656 Purchase 3,933 1.9066 Purchase 2,750 1.8178 Purchase 1,000 1.8415 Purchase 515 1.9400 Purchase 945 1.8496 Purchase 3,180 1.8866 Purchase 2,000 1.8098 Purchase 1,030 1.9194 Purchase 1,088 1.8230 Purchase 200 1.8776 Purchase 2,000 1.9274 Purchase 3,000 1.9400 Purchase 80,000 1.9170 Purchase 2,552 1.9590 Purchase 30 1.9066 Purchase 100 1.8496 Purchase 4,033 1.8596 Purchase 542 1.8200 Purchase 524 1.8825 Purchase 300 1.8536 Purchase 16 1.8156 Purchase 87,361 1.8655 Purchase 59,066 1.8832 Purchase 1,000 1.9027 Purchase 2,093 1.8983 Purchase 83,267 1.8971 Purchase 4,052 1.8396 Purchase 2,000 1.9550 Purchase 45 1.9154 Purchase 519 1.9010 Purchase 5,190 1.9067 Purchase 4,000 1.8536 Purchase 2,000 1.9265 Purchase 1,000 1.9374 Purchase 500 1.9043 Purchase 50,770 1.9400 Purchase 1,546 1.9400 Purchase 2,129 1.8784 Purchase 2,938 1.8038 Purchase 2,500 1.8996 Purchase 7,000 1.8350 Purchase 1,000 1.9400 Purchase 546 1.8300 Purchase 400 1.8250 Purchase 5,189 1.9270 Purchase 1,408 1.8260 Purchase 1,032 1.9194 Purchase 1,639 1.8300 Purchase 787 1.9043 Purchase 1,500 1.8866 Purchase 2,000 1.9000 Purchase 12,853 1.9294 Purchase 484 1.8576 Purchase 1,100 1.8536 Purchase 2,184 1.9380 Purchase 261 1.9096 Purchase 3,679 1.9024 Purchase 520 1.8998 Purchase 1,033 1.9134 Purchase 526 1.8990 Purchase 498 1.9043 Purchase 1,000 1.8986 Sale 594 1.9216 Sale 4,000 1.9278 Sale 2,643 1.9208 Sale 2,767 1.8703 Sale 74 1.8807 Sale 2,552 1.9092 Sale 412 1.9081 Sale 3,800 1.8300 Sale 9,000 1.9098 Sale 2,184 1.8629 Sale 2,616 1.8222 Sale 66 1.9112 Sale 1,305 1.8340 Sale 50 1.9001 Sale 3,946 1.8727 Sale 5,000 1.8750 Sale 1,581 1.8683 Sale 2,500 1.8654 Sale 7,621 1.9218 Sale 11,824 1.9147 Sale 1,569 1.8512 Sale 976 1.8756 Sale 7,000 1.8908 Sale 595 1.9063 Sale 3,315 1.8105 Sale 93,593 1.8912 Sale 700 1.8997 Sale 484 1.8917 Sale 1,000 1.8138 Sale 300 1.8446 Sale 1,000 1.9106 Sale 25,000 1.8902 Sale 3,000 1.9055 Sale 1,500 1.8294 Sale 1,748 1.8917 Sale 1,546 1.9088 Sale 1,500 1.8086 Sale 2,984 1.9222 Sale 350 1.9137 Sale 1,056 1.8618 Sale 534 1.8805 Sale 6,733 1.8339 Sale 1,000 1.8345 Sale 35,958 1.8970 Sale 200 1.8877 Sale 2,616 1.9263 Sale 89 1.8644 Sale 526 1.8618 (b) Derivatives transactions (other than options) Product name, Long/Short Number of Price per unit (e.g. CFD) (Note 6) Securities (GBP) CFD Short 87361 1.8654 CFD Short 59066 1.8831 CFD Short 83267 1.897 CFD Short 20658 1.9123 CFD Long 93593 1.8912 CFD Long 11824 1.9147 (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 25 October 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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