Holding(s) in Company

RNS Number:0688F
Abbey National PLC
10 November 2004


                                  SCHEDULE 10

                   NOTIFICATION OF MAJOR INTERESTS IN SHARES


1. Name of company

ABBEY NATIONAL PLC


2. Name of shareholder having a major interest

CREDIT SUISSE FIRST BOSTON


3. Please state whether notification indicates that it is in respect of holding
of the shareholder named in 2 above or in respect of a non-beneficial interest
or in the case of an individual holder if it is a holding of that person's
spouse or children under the age of 18

AS 2 ABOVE


4. Name of the registered holder(s) and, if more than one holder, the number of
shares held by each of them

CREDIT SUISSE FIRST BOSTON HOLDS THE FOLLOWING INTERESTS IN THE ISSUED SHARE 
CAPITAL:

 1. CREDIT SUISSE FIRST BOSTON EQUITIES LIMITED 52,824,093
 2. CREDIT SUISSE FIRST BOSTON INTERNATIONAL LIMITED 1,403,360
 3. CREDIT SUISSE FIRST BOSTON (EUROPE) LIMITED 5,382,702


5. Number of shares / amount of stock acquired

562,733


6. Percentage of issued class

0.04%


7. Number of shares / amount of stock disposed

N/A


8. Percentage of issued class

N/A


9. Class of security

ORDINARY SHARES OF 10p EACH


10. Date of transaction

4th November 2004


11. Date company informed

8th November 2004


12. Total holding following this notification

59,610,155


13. Total percentage holding of issued class following this notification

4.01%


14. Any additional information




15. Name of contact and telephone number for queries

KAREN CARSON  - 0207 756 4358


16. Name and signature of authorised company official responsible for making
this notification

KAREN CARSON


Date of notification

10th NOVEMBER 2004


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for loss of business or loss of profits) arising in contract, tort or otherwise
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it, or from any action or decision taken as a result of using this document or
any such material.

END



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