RNS Number:5515O
Ceres Power Holdings plc
22 December 2006

                        BLOCK LISTING SIX MONTHLY RETURN

Date: 22 DECEMBER 2006

Name of company:                         CERES POWER HOLDINGS PLC

Name of scheme:                          WARRANTS                          EMI OPTION SCHEME

Period of return:                        From 18 SEPTEMBER 2006 to 22      From 22 JUNE 2006 to 22 DECEMBER
                                         DECEMBER 2006                     2006

Balance under scheme from previous       1,082,021                         639,820

The amount by which the block scheme has Nil                               Nil
been increased, if the scheme has been
increased since the date of the last

Number of securities issued/allotted     707,995                           128,158
under scheme during period:

Balance under scheme not yet issued/     374,026                           511,662
allotted at end of period

Number and class of securities           2,314,460 ORDINARY SHARES OF 5P   2,750,000 ORDINARY SHARES OF 5P
originally listed and the date of        EACH,                             EACH,
                                         18 MARCH 2005                     22 DECEMBER 2004

Total number of securities in issue at   59,361,005
the end of the period

Name of contact:                          MATT STRIDE
Telephone number of contact:              01293 400404

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