Holding(s) in Company

For filings with the FSA include the annex

For filings with issuer exclude the annex

TR-1: Notifications of Major Interests in Shares

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

Wm Morrison Supermarkets Plc

2. Reason for notification (yes/no)

An acquisition or disposal of voting rights

No

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

No

An event changing the breakdown of voting rights

Yes

Other (please specify):______________

No

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

William James Duncan Morrison

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

William James Duncan Morrison on his own and with others as trustees of various settlements (Andrea Shelley, Eleanor Marie Kernighan and Lynne Christina Morrison)

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

1st February 2013

6. Date on which issuer notified:

1st February 2013

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

3%

8: Notified Details

A: Voting rights attached to shares

Class/type of shares

If possible use ISIN code

Situation previous to the triggering transaction

Resulting situation after the triggering transaction

Number of shares

Number of voting rights

Number of shares

Number of voting rights

Percentage of voting rights

Direct

Indirect

Direct

Indirect

GB0006043169 70,375,701 70,375,701 70,375,701 70,375,701 3.002%

B: Financial Instruments

Resulting situation after the triggering transaction

Type of financial instrument

Expiration date

Exercise/ conversion period/date

No. of voting rights that may be acquired (if the instrument exercised/converted)

Percentage of voting rights

Total (A+B)

Number of voting rights

Percentage of voting rights

70,375,701

3.002%

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

Proxy Voting:

10. Name of proxy holder:

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

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

13. Additional information:

14 Contact name:

Frances Davies, Gordons LLP

15. Contact telephone name:

0113 227 0389