Holding(s) in Company

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

Stanley Gibbons Group Plc

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

An acquisition or disposal of voting rights

X

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

An event changing the breakdown of voting rights

Other (please specify):__Previously notified holding_______________

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

Montanaro Asset Management

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

-

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

29th March 2011 

6. Date on which issuer notified:

30th March 2011

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

Less than 3%

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 Voting Rights

Number of shares

Number of voting rights

% of voting rights

Direct

Indirect

Direct

Indirect

 GB0009628438

933,800

933,800

733,800

 733,800

2.91%

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

Total (A+B)

Number of voting rights

% of voting rights

733,800

2.91%

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:

Matthew Francis, Montanaro

15. Contact telephone number:

020 7448 8600