Blocklisting Interim Review

Genus PLC
31 January 2008


                        BLOCKLISTING SIX MONTHLY RETURN


Information provided on this form must be typed or printed electronically.


To:   The FSA

Date: 31st January 2008


1. Name of applicant:



Genus plc



2. Name of scheme



Genus plc 2004 Executive Share Option Plan



3. Period of return:



26th July 2007 to 25th January 2008



4. Balance under scheme from previous return:



525,800



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



Nil



6. Number of securities issued/allotted under scheme during period:



8,000



7 Balance under scheme not yet issued/allotted at end of period



517,800



8. Number and class of securities originally listed and the date of admission



550,800 Ordinary Shares of 10p each - 26th July 2006



9. Total number of securities in issue at the end of the period



59,264,495





Name of contact Ian Farrelly



Address of contact Belvedere House

Basing View

Basingstoke

Hampshire  RG21 4HG



Telephone number of contact 01256 345996

Signed by Ian Farrelly

Company Secretary, for and on behalf of

Name of applicant Genus plc



If you knowingly or recklessly give false or misleading information you may be
liable to prosecution.


                        BLOCKLISTING SIX MONTHLY RETURN



Information provided on this form must be typed or printed electronically.



To:   The FSA



Date: 31st January 2008



1. Name of applicant:



Genus plc



2. Name of scheme



Genus plc 2004 Performance Share Plan



3. Period of return:



26th July 2007 to 25th January 2008



4. Balance under scheme from previous return:



509,920



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



Nil



6. Number of securities issued/allotted under scheme during period:



Nil



7 Balance under scheme not yet issued/allotted at end of period



Nil



8. Number and class of securities originally listed and the date of admission



509,920 Ordinary Shares of 10p each - 26th July 2006



9. Total number of securities in issue at the end of the period



59,264,495





Name of contact Ian Farrelly



Address of contact Belvedere House

Basing View

Basingstoke

Hampshire  RG21 4HG



Telephone number of contact 01256 345996

Signed by Ian Farrelly

Company Secretary, for and on behalf of



Name of applicant Genus plc



If you knowingly or recklessly give false or misleading information you may be
liable to prosecution.


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