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 23 November 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 23,527,570 5.59% 132,556 0.03% securitie (2) Derivatives 11,372,506 2.70% 11,991,540 2.85% (other than options) (3) Options and 0 0.00% 0 0.00% agreements to purchase/sell Total 34,900,076 8.29% 12,124,096 2.88% (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 1,000 0.77 Purchase 2,829 Transfer Purchase 1,000 0.78 Purchase 3,500 0.858 Purchase 3,500 0.84 Purchase 580 0.8606 Purchase 1,190 0.84 Purchase 2,493 0.798 Purchase 701 0.77 Purchase 12,747 0.78 Purchase 1,726 0.789 Purchase 12,422 0.8 Purchase 2,000 0.779 Purchase 6,443 0.776 Purchase 6,393 0.782 Purchase 6,435 0.777 Purchase 1,000 0.78 Purchase 1,502 0.79 Purchase 5,000 0.776 Purchase 1,145 0.778 Purchase 1,245 0.803 Purchase 10,000 0.787 Purchase 3,000 0.798 Purchase 64,935 0.77 Purchase 2,256 0.879 Purchase 3,000 0.842 Purchase 3,000 0.848 Purchase 2,000 0.776 Purchase 4,000 0.777 Purchase 308 0.81 Purchase 17,647 0.85 Purchase 2,093 0.79 Purchase 11,933 0.838 Purchase 1,163 0.845 Purchase 5,594 0.799 Purchase 100 0.8086 Purchase 6,410 0.78 Purchase 500 0.8 Purchase 12,618 0.788 Purchase 3,000 0.77 Purchase 2,354 0.84 Purchase 2,000 0.81 Purchase 11,583 0.777 Purchase 5,000 0.79 Purchase 1,690 0.879 Purchase 3,500 0.86 Purchase 100 0.776 Purchase 5,000 0.77 Purchase 2,380 0.84 Purchase 2,000 0.776 Purchase 2,577 0.776 Purchase 1,000 0.799 Purchase 1,200 0.786 Purchase 4,000 0.775 Purchase 7,500 0.776 Purchase 476 0.8393 Purchase 500 Transfer Purchase 641 0.78 Purchase 1,283 0.779 Purchase 3,500 0.839 Purchase 1,000 0.855 Purchase 5,000 0.776 Purchase 1,000 0.78 Purchase 2,000 0.77 Purchase 650 0.7997 Purchase 561 0.865 Purchase 100 0.8598 Purchase 64,935 0.77 Purchase 7,000 0.795 Purchase 1,273 0.785 Purchase 5,000 0.778 Purchase 6,443 0.776 Purchase 340 0.79 Purchase 192 0.777 Purchase 368 Transfer Purchase 500 0.8412 Purchase 6,369 0.78 Purchase 5,000 0.775 Purchase 6,000 0.776 Purchase 350 0.779 Purchase 3,534 0.778 Purchase 1,000 0.778 Purchase 306 0.79 Purchase 1,000 0.8 Purchase 736 0.8 Purchase 2,000 0.77 Purchase 1,282 0.78 Purchase 108 0.805 Purchase 160 0.8062 Purchase 125 0.8 Purchase 300 0.8648 Purchase 2,648 0.849 Purchase 3,861 0.777 Purchase 441,364 0.8177 Purchase 78,165 0.8206 Sale 9,636 0.8546 Sale 500 0.7904 Sale 5,000 0.8018 Sale 11,583 0.79 Sale 3,052 0.86 Sale 2,577 0.801 Sale 750 0.8636 Sale 1,941 0.808 Sale 12,618 0.8 Sale 1,746 0.77 Sale 1,000 0.782 Sale 5,000 0.825 Sale 1,000 0.836 Sale 3,214 0.8526 Sale 127 0.7933 Sale 1,619 0.755 Sale 5,000 0.84 Sale 10,000 0.7927 Sale 3,550 0.8 Sale 1,000 0.8 Sale 3,512 0.8546 Sale 7,000 0.77 Sale 4,000 0.8426 Sale 3,000 0.87 Sale 5,964 0.802 Sale 500 0.8636 Sale 152 0.8247 Sale 75 0.803 Sale 1,400 0.8456 Sale 500 0.7778 Sale 2,000 0.82 Sale 781 0.78 Sale 12,747 0.802 Sale 318 0.7766 Sale 422 0.7758 Sale 6,443 0.791 Sale 650 0.87 Sale 5,000 0.8 Sale 2,000 0.8576 Sale 5,000 0.86 Sale 2,000 0.802 Sale 49 0.793 Sale 5,000 0.8 Sale 6,000 0.802 Sale 1,000 0.8356 Sale 18,315 0.774 Sale 1,294 0.7995 Sale 125 0.8412 Sale 4,000 0.8 Sale 1,200 0.825 Sale 4,000 0.781 Sale 1,900 0.7927 Sale 1,273 0.785 Sale 256 0.8238 Sale 358 0.8306 Sale 7,531 0.84 Sale 590 0.7708 Sale 649 0.7995 Sale 2,000 0.8446 Sale 4,000 0.823 Sale 2,829 Transfer Sale 1,000 0.8556 Sale 154 0.8606 Sale 6,369 0.802 Sale 2,500 0.7995 Sale 1,490 0.8616 Sale 300 0.7758 Sale 136 0.8376 Sale 1,403 0.8 Sale 3,860 0.7927 Sale 1,500 0.8626 Sale 2,000 0.84 Sale 736 0.758 Sale 5,000 0.76 Sale 540 0.808 Sale 535 0.7995 Sale 459,966 0.8196 Sale 800 0.7975 Sale 460 0.806 Sale 310 0.808 Sale 0 0.8069 Sale 310 0.782 Sale 500 0.8636 Sale 1,000 0.7758 Sale 4,000 0.79 Sale 2,500 0.7995 Sale 1,200 0.867 Sale 6,599 0.775 Sale 1,135 0.78 Sale 12,828 0.8037 Sale 4,864 0.831 Sale 2,000 0.8 Sale 1,772 0.776 Sale 5,000 0.79 Sale 287 0.7878 Sale 446 0.776 Sale 2,308 0.751 Sale 2,134 0.8346 Sale 6,410 0.824 Sale 247 0.7872 Sale 215 0.8004 Sale 500 0.828 Sale 600 0.8516 Sale 159 0.774 Sale 3,250 0.8636 Sale 3,028 0.773 Sale 33,707 0.8005 Sale 4,908 0.787 Sale 7,500 0.8018 Sale 3,000 0.84 Sale 3,500 0.824 Sale 5,000 0.801 Sale 1,000 0.841 Sale 701 0.77 Sale 1,961 0.751 Sale 2,000 0.8326 Sale 1,676 0.862 Sale 650 0.7904 Sale 1,500 0.867 Sale 332 0.781 Sale 4,000 0.8556 Sale 350 0.7714 Sale 250 0.8456 Sale 4,830 0.84 Sale 1,502 0.8 Sale 1,000 0.793 Sale 919 0.861 Sale 3,000 0.794 Sale 6,443 0.8 Sale 7,000 0.7917 Sale 400 0.7995 Sale 1,145 0.8616 Sale 1,500 0.776 Sale 1,000 0.839 Sale 1,000 0.8316 Sale 5,000 0.8646 Sale 2,493 0.8556 Sale 1,000 0.8 Sale 600 0.867 Sale 3,317 0.7758 Sale 650 0.8606 Sale 3,594 0.84 b) Derivatives transactions (other than options) Product name, Long/Short Number of Price per (e.g. CFD) (Note 6) Securities unit (GBP) CFD Short 441364 0.8177 CFD Short 78165 0.8205 CFD Long 459966 0.8195 (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 26 November 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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