The attached announcement is made in accordance with DTR 5

TR-1(i): NOTIFICATION OF MAJOR INTERESTS IN SHARES

1. Identity of the issuer or the underlying issuer of existing shares to which voting rights are attached (ii):

MARKS AND SPENCER GROUP PLC

2. Reason for the notification (please place an X inside the appropriate bracket/s):

An acquisition or disposal of voting rights: (X)

An acquisition or disposal of qualifying financial instruments which may result in the acquisition of shares already issued to which voting rights are attached: (    )

An acquisition or disposal of instruments of similar economic effect to qualifying financial instruments: (  )

An event changing the breakdown of voting rights: (   )

Other (please specify) : (  )

……………..

3. Full name of person(s) subject to the notification obligation (iii):

THE CAPITAL GROUP COMPANIES, INC

4. Full name of shareholder(s) (if different from 3.) (iv):

CAPITAL GUARDIAN TRUST COMPANY; AND

CAPITAL RESEARCH AND MANAGEMENT COMPANY

5. Date of the transaction (and date on which the threshold is crossed or reached if different) (v):

30 NOVEMBER 2012

6. Date on which issuer notified:

4 DECEMBER 2012

7. Threshold(s) that is/are crossed or reached:

BELOW 4%

8. Notified details:

……………..

A: Voting rights attached to shares ^{(viii, xi)}

Resulting situation after the triggering transaction

B: Qualifying Financial Instruments

Resulting situation after the triggering transaction

C: Financial Instruments with similar economic effect to Qualifying Financial Instruments

^(xv,xvi)

Total (A+B+C)

9. Chain of controlled undertakings through which the voting rights and/or the financial instruments are effectively held, if applicable ^(xxi):

Proxy Voting:

10. Name of the proxy holder:

N/A

11. Number of voting rights proxy holder will cease to hold:

N/A

12. Date on which proxy holder will cease to hold voting rights:

N/A

13. Additional information:

Due to a company reorganisation, Capital Research and Management company (CRMC) and capital international, inc (cgii) will no longer report relevant holdings under management separately.  WITH EFFECT FROM 1 SEPTEMBER 2012, THE holdings under management for crmc and cgii will be reported in aggregate by the GROUPS PARENT COMPANY, THE CAPITAL GROUP COMPANIES, INC.

14. Contact name:

ANTHONY CLARKE

15. Contact telephone number:

020 8718 9940