GHT.L Regulatory News (GHT)

21 May 2010

Gresham Computing plc

('Gresham' or 'the Company')

Annual Information Update

The Company provides an annual information update, in accordance with the requirements of Prospectus Rule 5.2.1R, of information which has been published or made available to the public over the 12 months up to and including 21 May 2010. The information referred to in this update was up to date at the time the information was published but some information may now be out of date.

UK Regulatory announcements made via RNS, a regulatory information service:

Date Heading

10 May 2010 Notice of AGM, 2009 AFR and Circular

30 April 2010 Director/PDMR Shareholding

29 April 2010 Directorate Change

29 April 2010 Interim Management Statement

29 April 2010 Final Results

20 January 2010 Interim Management Statement

19 October 2009 Interim Management Statement

19 October 2009 Disposal of Assets

2 October 2009 Appointment of Secretary

28 August 2009 Directorate Change

28 August 2009 Disposal

28 August 2009 Interim Results

29 June 2009 Result of AGM

3 June 2009 Holding(s) in Company

Copies of regulatory announcements can be found on the Investor Relations pages of the Company's website at www.gresham-computing.com.

Documents filed at Companies House:

Date Heading

20 May 2010 Annual Return 10/05/10 Full List

20 May 2010 Director's change of particulars / Eric Sepkes / 10/05/2010

20 May 2010 Director's change of particulars / Max Royde / 10/05/2010

20 May 2010 Director's change of particulars / Christopher Mark Errington / 10/05/2010

29 April 2010 Appointment Terminated Director Andrew Walton Green

07 October 2009 Secretary appointed Robert James Grubb

07 October 2009 Appointment terminated, Secretary Christopher Errington

04 September 2009 Director Appointed Max Royde

04 September 2009 Appointment Terminated Director James Aves

14 July 2009 Group of Companies' Accounts made up to 31/12/08

01 July 2009 Authorised allotment of shares

26 May 2009 Annual Return made up to 10/05/09

Copies of documents filed at Companies House can be found on the Companies House website at www.companies-house.gov.uk.

Documents sent to shareholders:

Date Heading

10 May 2010 Annual Financial Report 2009, Notice of 2010 AGM & Circular

28 August 2009 Interim Report 2008

Copies of these documents are available on the Investor Relations pages of the Company's website at www.gresham-computing.com.

The Annual Financial Report, AGM resolutions, Circular and Interim Report were also filed with the UK Listing Authority's document viewing facility.

In accordance with Article 27.3 of the Prospectus Directive Regulation, we confirm that to the best of our knowledge, the information relating to the Company set out above is up to date at the date of this announcement but it is acknowledged that such disclosures may, at any time, become out of date due to changing circumstances.

A copy of this Annual Information Update and copies of the documents referred to in it can be obtained from the company secretary at the Company's registered office at Sopwith House, Brook Avenue, Warsash, Southampton, SO31 9ZA.

For further information please contact: