MICROGEN PLC
16 JANUARY 2012
BLOCK LISTING RETURN
Name of applicant: MICROGEN PLC
Name of scheme: MICROGEN PLC 1997 AND 1999 EXECUTIVE SHARE OPTION SCHEME
MICROGEN PLC 1996 SAVINGS RELATED SHARE OPTION SCHEME
Period of return: From: 1 JULY 2011 To: 31 DECEMBER 2011
Balance under scheme from previous returns:
MICROGEN PLC 1997 AND 1999 EXECUTIVE SHARE OPTION SCHEME - 625,500 ORDINARY SHARES OF 5P EACH
MICROGEN PLC 1996 SAVINGS RELATED SHARE OPTION SCHEME - 112,291 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 - 172,500 ORDINARY SHARES OF 5P EACH
MICROGEN PLC 1996 SAVINGS RELATED SHARE OPTION SCHEME - 0 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 - 453,000 ORDINARY SHARES OF 5P EACH
MICROGEN PLC 1996 SAVINGS RELATED SHARE OPTION SCHEME - 112,291 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
MICROGEN PLC 1996 SAVINGS RELATED SHARE OPTION SCHEME - 200,000 ORDINARY SHARES OF 5P EACH
15 APRIL 2005
MICROGEN PLC 1997 AND 1999 EXECUTIVE SHARE OPTION SCHEME - 745,000 ORDINARY SHARES OF 5P EACH
MICROGEN PLC 1996 SAVINGS RELATED SHARE OPTION SCHEME - 30,000 ORDINARY SHARES OF 5P EACH
27 JUNE 2008
Total number of securities in issue at the end
of the period
81,395,677 ORDINARY SHARES OF 5P EACH
The remaining securities listed under the MICROGEN PLC 1996 SAVINGS RELATED SHARE OPTION SCHEME have now expired and the scheme will no longer be referred to in subsequent returns.
Name of contact: ANJUM SIDDIQI, 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