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

No

Other (please specify): Change in the number of shares in issue resulting in a change in the percentage holding of the shareholder.

Yes

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

Susan Barbara Pritchard

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

Nigel George Pritchard & Susan Barbara Pritchard

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

22nd September 2010

6. Date on which issuer notified:

23rd September 2010

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

4%

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 127,709,204 127,709,204 94,720,169 94,720,169 3.57%

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

94,720,169

3.57%

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