CEPS PLC (THE "COMPANY") HOLDING IN COMPANY

Pursuant to the Financial Services Authority's Disclosure and Transparency Rules on 31 July 2008 the Company received the following notification from Mark Thistlethwayte:-

NOTIFICATION

On 31 July 2008, Mark Thistlethwayte, a substantial shareholder of the Company, bought shares in the Company as follows:-

Date of Price per Number of Total number of shares Percentage of purchase share shares* held subsequent to the issued share purchase** capital held 31 July 2008 35p 50,000 1,250,000 15.0

* Mr Thistlethwayte's interest in ordinary shares is held on behalf and divided between his three children, who are the beneficial owner of these shares. Following this purchase, Mr Thistlethwayte's children, in aggregate, are interested in 250,000 ordinary shares representing approximately 3 per cent. of the issued share capital Company.

** Mr Thistlethwayte is a beneficiary of a trust (Praxis Trustees Limited on behalf of The Grasett Settlement) that is interested in 1,000,000 ordinary shares representing approximately 12 per cent. of the issued share capital of the Company.

The issued share capital of the Company is 8,314,285 ordinary shares of 5p per share.

For further information contact:

Geoff Martin CEPS PLC 012 2548 3030

Liam Murray/Aaron Smyth Dowgate Capital Advisers Ltd 020 7492 4777 Neil Badger

Dowgate Capital Stockbrokers Ltd 012 9351 7744

Further information can be found on the Company's web site, www.cepsplc.com.