MPM.L Regulatory News (MPM)

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

Minster Pharmaceuticals Plc

2. Reason for the notification   (please tick the appropriate box or boxes)

An acquisition or disposal of voting rights 

Yes

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):___________________________________________

No

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

Vincent Dahinden

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

Secure Nominees Limited - 1,075,000 shares

Lynchwood Nominees, 55 Moorgate, London EC2 - 750,000 shares

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

23 October 2008

6. Date on which issuer notified:

17 December 2008

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

3 per cent

8. Notified details:

A: Voting rights attached to shares

Class/type of shares 

 if possible using the 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 

% of voting rights

Direct

Direct 

Indirect 

Direct

Indirect

Ordinary GB00B142W462

750,000

575,000

1,825,000

750,000

1,075,000

1.83%

1.27%

B: Financial Instruments

Resulting situation after the triggering transaction 

Type of financial instrument 

Expiration date

Exercise/ Conversion Period/ Date 

Number of voting rights that may be acquired if the instrument is exercised/ converted. 

% of voting rights

None

Total (A+B)

Number of voting rights

% of voting rights

1,825,000

3.10%

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 the 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:

Jeremy Gorman, Company Secretary

15. Contact telephone number:

020 7935 0027