Holding(s) in Company

2 May 2008 15:44

Hydrogen Group PLC02 May 2008 Form TR-1 with annex. FSA Version 2.1 updated April 2007 For filings with the FSA include the annexFor filings with issuer exclude the annex TR-1: Notifications of Major Interests in Shares 1. Identity of the issuer or the underlying issuer of Hydrogen Group plcexisting shares to which voting rights are attached: 2. Reason for notification (yes/no) An acquisition or disposal of voting rights Yes An acquisition or disposal of financial instruments which may result in the acquisition Noof shares already issued to which voting rights are attached An event changing the breakdown of voting rights No Other (please specify):______________ No 3. Full name of person(s) subject to notification 3i Quoted Private Equity Limitedobligation: 4. Full name of shareholder(s) (if different from Dan Church, Chris Cole, Charles Marshall,3): Barnaby Parker, Tim Smeaton and Ian Temple 5. Date of transaction (and date on which the 1 May 2008threshold is crossed or reached if different): 6. Date on which issuer notified: 1 May 2008 7. Threshold(s) that is/are crossed or reached: Below 3% 8: Notified DetailsA: Voting rights attached to shares Class/type of Situation previous to the Resulting situation after the triggering transactionshares triggering transaction Number of Number of Number of Number of voting rights Percentage of votingIf possible use shares voting shares rightsISIN code rights Direct Indirect Direct Indirect GB000B1DJTV45 19,323,348 19,323,348 0 0 0 0 0 B: Financial Instruments Resulting situation after the triggering transaction Type of financial Expiration date Exercise/ conversion No. of voting rights Percentage of votinginstrument period/date that may be acquired rights (if the instrument exercised/converted) Total (A+B) Number of voting rights Percentage of voting rights 0 0 9. Chain of controlled undertakings through which the voting rights and /or thefinancial instruments are effectively held, if applicable: Proxy Voting: 10. Name of proxy holder: 11. Number of voting rights proxy holder will ceaseto hold: 12. Date on which proxy holder will cease to holdvoting rights: 13. Additional information: 14 Contact name: John Decesare / Stuart Howard 15. Contact telephone name: +44 (0)20 7928 3131 For notes on how to complete form TR-1 please see the FSA website. This information is provided by RNS The company news service from the London Stock Exchange