Holding(s) in Company

25 April 2004

                                 ITM Power plc                                 

                              Holding in Company                               

NOTIFICATIONS UNDER SECTIONS 198 TO 202 - - U.K. COMPANIES ACT

1. Company in which shares are held: ITM Power plc

2. Notifiable Interest: Ordinary Shares of 5p each

(A) FMR Corp.

82 Devonshire Street

Boston, MA 02109

Parent holding company of Fidelity Management & Research Company

(FMRCO), investment manager for US mutual funds. (See Schedule A for

listing of Registered Shareholders and their holdings).

(B) Fidelity International Limited (FIL)

P.O. Box HM 670

Hamilton HMCX, Bermuda

Parent holding company for various direct and indirect subsidiaries,

including Fidelity Investment Services Ltd (FISL), Fidelity Gestion (FIGEST),
Fidelity Investments Advisory (Korea) Limited (FIA(K)L), Fidelity Investments
Management (Hong Kong) Limited (FIMHK), Fidelity Pension Management (FPM) and
Fidelity Investments International (FII), investment managers for various
non-US investment companies and institutional clients.

3. The notifiable interests also comprise the notifiable interest of:

Mr. Edward C. Johnson 3d

82 Devonshire Street

Boston, MA 02109

A principal shareholder of FMR Corp. and Fidelity International Limited.

4. The notifiable interests include interest held on behalf of authorised unit

trust schemes in the U.K., notwithstanding the exemption from reporting

pursuant to Section 209 (1)(h) of the Companies Act 1985.

5. These notifications of disclosable interests constitute separate

notifications of interest in the shares and are combined solely for the

purposes of clarity and efficiency. Nothing herein should be taken to

indicate that FMR Corp. and its direct and indirect subsidiaries, Fidelity

International Limited and its direct and indirect subsidiaries or Mr.

Edward C. Johnson 3d act as a group or in concert in respect of the

disclosed interests, or that they are required to submit these

notifications on a joint basis.

6. The disclosable interests arise under section 208 (4)(b) of the Act,

namely where a person, not being the registered holder, is entitled to

exercise a right conferred by the holding of the shares or to control the

exercise of such rights, or under section 203 of the Act respectively.

7. Inasmuch as there is no disclosable interest of 3% or greater of the share

capital, FMR Corp. and its direct and indirect subsidiaries have no further

reporting obligation under Section 198 to 202 of the UK Companies Act.

This statement speaks as of its date, and no inference should be drawn

that no change has occurred in the facts set forth herein after the date

hereof.

Schedule A

Security: ITM Power plc

Shares Held              Management   Nominee/Registered Name                  
                           Company                                             
                                                                               
330,900                 FIL           BROWN BROS HARRIMAN LTD LUX              
                                                                               
174,400                 FISL          JP MORGAN, BOURNEMOUTH                   
                                                                               
2,082,900               FMRCO         MELLON BANK N.A.                         
                                                                               
34,000                  FPM           BANK OF NEW YORK BRUSSELS                
                                                                               
29,000                  FPM           CLYDESDALE BANK PLC                      
                                                                               
42,000                  FPM           MELLON BANK                              
                                                                               
22,900                  FPM           NORTHERN TRUST LONDON                    
                                                                               
62,000                  FPM           STATE STREET BANK & TRUST CO LDN         

Total Ordinary Shares: 2,778,100

Current ownership percentage: 3.02%

Shares in issue: 91,874,250

Change in holding since last filing: +97,400

Date company notified: 22 April 2005