Forum Energy Plc 23 December 2005 23 December 2005 Forum Energy Plc ('the Company') Notifiable Interest The Company announces that it received the following notices on 22 December 2005 that: • on 19 December 2005 Legal & General Group plc ('L&G') and/or its subsidiaries had an interest of 899,731 ordinary shares of 10p each in the Company, representing 3.31% of the issued share capital of the Company. This represents the entire holding of L&G in the share capital of the Company. • on 15 December 2005, The Goldman Sachs Group, Inc. ("GS Inc"), was interested, by attribution only, in 2,608,000 ordinary shares of 10p each in the Company, representing 9.58% of the issued share capital of the Company. Of these shares: • 2,208,000 shares were held by Goldman, Sachs & Co., a wholly-owned direct subsidiary of GS Inc, acting as a custodian for its customers. These shares will be registered in the name of Goldman Sachs Securities (Nominees) Limited; and • 400,000 shares were held as a beneficial interest by Goldman Sachs International, a wholly-owned indirect subsidiary of GS Inc. This represents the entire holding of The Goldman Sachs Group, Inc. in the issued share capital of the Company. On 17 October 2005, the Company disclosed that Moore Credit Fund Ltd. had a notifiable interest in 2,208,000 ordinary shares which amounts to 8.11% of the issued share capital of the Company. These shares were held in the name of Goldman Sachs Securities (Nominees) Limited. • on 21 December 2005 FMR Corporation ('FMRCO'), including its direct and indirect subsidiaries, being a non-beneficial holder had an interest of 1,552,470 ordinary shares of 10p each in the Company, representing 5.70% of the issued share capital of the Company. This represents the entire holding of FMRCO in the share capital of the Company. On 8 August 2005, the Company disclosed that FMRCO had a notifiable interest in 1,127,270 ordinary shares which amounts to 4.14% of the issued share capital of the Company. For further information please contact: David Robinson, Chief Executive, Forum Energy Plc: +44 (0) 1932 445 344 Adam Westcott, Noble & Company Limited: +44 (0) 131 225 9677 Ian Foster, First City Financial Public Relations: +44 (0) 20 7436 7486 +44 (0) 7739 185 050 This information is provided by RNS The company news service from the London Stock Exchange