MICROGEN PLC
4 JULY 2012
BLOCK LISTING RETURN
Name of applicant: MICROGEN PLC
Name of scheme: MICROGEN PLC 1997 AND 1999 EXECUTIVE SHARE OPTION SCHEME
Period of return: From: 1 JANUARY 2012 To: 30 JUNE 2012
Balance under scheme from previous returns:
MICROGEN PLC 1997 AND 1999 EXECUTIVE SHARE OPTION SCHEME - 453,000 ORDINARY SHARES OF 5P EACH
The amount by which the block scheme has
been increased, if the scheme has been
increased since the date of the last return: N/A
Number of securities issued/allotted under
scheme during period:
MICROGEN PLC 1997 AND 1999 EXECUTIVE SHARE OPTION SCHEME - 15,000 ORDINARY SHARES OF 5P EACH
Balance under scheme not yet issued/allotted
at end of period
MICROGEN PLC 1997 AND 1999 EXECUTIVE SHARE OPTION SCHEME - 438,000 ORDINARY SHARES OF 5P EACH
Number and class of securities originally
listed and the date of admission
MICROGEN PLC 1997 AND 1999 EXECUTIVE SHARE OPTION SCHEME - 800,000 ORDINARY SHARES OF 5P EACH
15 APRIL 2005
MICROGEN PLC 1997 AND 1999 EXECUTIVE SHARE OPTION SCHEME - 745,000 ORDINARY SHARES OF 5P EACH
27 JUNE 2008
Total number of securities in issue at the end
of the period
81,678,378 ORDINARY SHARES OF 5P EACH
Name of contact: ANJUM O'NEILL, COMPANY SECRETARY
Address of contact: OLD CHANGE HOUSE, 128 QUEEN VICTORIA STREET, LONDON, EC4V 4BJ
Telephone number of contact: 020 7496 8100
www.microgen.com