Blocklisting Interim Review

Genus PLC
25 July 2007


                        BLOCKLISTING SIX MONTHLY RETURN


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


To: The FSA


Date: 25th July 2007


1. Name of applicant:


Genus plc


2. Name of scheme


Genus plc 2004 Executive Share Option Plan


3. Period of return:


26th January 2007 to 25th July 2007


4. Balance under scheme from previous return:


550,800


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:


25,000


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


525,800


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


55,961,538



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: 25th July 2007


1. Name of applicant:


Genus plc


2. Name of scheme


Genus plc 2004 Performance Share Plan


3. Period of return:


26th January 2007 to 25th July 2007


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


55,961,538



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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