Holding(s) in Company

22 March 2006 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, and Fidelity Management Trust Company (FMTC), a US state chartered bank which acts as a trustee or investment manager of various pension and trust accounts. (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), Fidelity Investments Japan (FIJ) 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. Schedule A Security: ITM Power plc Shares Held Management Nominee/Registered Name Company 278,300 FPM NORTHERN TRUST LONDON 96,800 FPM MELLON BANK 51,100 FPM STATE STREET BANK & TRUST CO LDN 26,500 FPM CLYDESDALE BANK PLC 4,077,600 FMRCO MELLON BANK N.A. 2,025,464 FISL JP MORGAN, BOURNEMOUTH 735,200 FIL BROWN BROS HARRIMAN LTD LUX 113,700 FIL JP MORGAN, BOURNEMOUTH Total Ordinary Shares held: 7,404,664 Total Shares in issue: 91,972,250 Current ownership percentage: 8.05% Change in holding since last filing: +118,600 Date of transaction: 17 March 2006 Date company notified: 20 March 2006 ITM were subsequently notified of the following changes to Fidelity's holding, giving them a revised holding of 7.32%: Shares Held Management Nominee/Registered Name Company 278,300 FPM NORTHERN TRUST LONDON 92,400 FPM MELLON BANK 51,100 FPM STATE STREET BANK & TRUST CO LDN 26,500 FPM CLYDESDALE BANK PLC 3,527,600 FMRCO MELLON BANK N.A. 1,933,164 FISL JP MORGAN, BOURNEMOUTH 706,900 FIL BROWN BROS HARRIMAN LTD LUX 113,700 FIL JP MORGAN, BOURNEMOUTH Total Ordinary Shares held: 6,729,664 Total Shares in issue: 91,972,250 Current ownership percentage: 7.32% Change in holding since last filing: (675,000) Date of transaction: 20 March 2006 Date company notified: 21 March 2006

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ITM Power (ITM)
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