Genus Regulatory News (GNS)

20 September 2011

Genus plc

('Genus' or 'the Company')

Director/PDMR Shareholding

Genus announces that of 117,359 ordinary shares of 10 pence each in the Company ("Ordinary Shares") which vested today in favour of Richard Wood, Chief Executive, under the Genus 2004 Performance Share Plan (the "Plan"), 117,359 Ordinary Shares were today sold on behalf of Richard Wood at a price of 1,000 pence per Ordinary Share.

Richard Wood's direct shareholding in the Company stands at 45,856 Ordinary Shares which represents 0.08% of the issued share capital of the Company which is currently 60,239,150 Ordinary Shares.

Genus also announces that of 46,927 Ordinary Shares that vested today in favour of Ian Biggs, Head of Global Product & Business Strategy, under the Plan, 46,927 Ordinary Shares were today sold on behalf of Ian Biggs at a price of 1,000 pence per Ordinary Share.

Ian Biggs' direct shareholding in the Company stands at 3,375 Ordinary Shares which represents 0.01% of the issued share capital of the Company. In addition, he remains the beneficial owner of 78,415 conditional nil-cost options under the Plan.

Of 41,061 Ordinary Shares that vested today in favour of Thomas Philip Acton, Chief Operating Officer of Europe & The Far East, under the Plan, 31,061 Ordinary Shares were today sold on behalf of Thomas Philip Acton at a price of 1,000 pence per Ordinary Share.

Thomas Philip Acton's direct shareholding in the Company now stands at 31,104 Ordinary Shares which represents 0.06% of the issued share capital of the Company. In addition, he remains the beneficial owner of 78,415 conditional nil-cost options under the Plan.

Of 28,156 Ordinary Shares that vested today in favour of Ian Farrelly, Group Company Secretary & General Counsel, under the Plan, 28,156 Ordinary Shares were today sold on behalf of Ian Farrelly at a price of 1,000 pence per Ordinary Share.

Ian Farrelly has no direct shareholding in the Company. He remains the beneficial owner of 61,462 conditional nil-cost options under the Plan.

Genus further announces that of 1,619 Ordinary Shares which vested today in favour of Bill Christianson, Chief Operating Officer, The Americas, under the Genus 2004 Executive Share Option Plan (the "ESOP"), 1,619 Ordinary Shares were today sold on behalf of Bill Christianson at a price of 1,000 pence per Ordinary Share.

Bill Christianson has no direct shareholding in the Company and is the beneficial owner of 56,953 conditional nil-cost options and 18,970 market value share options.

Of 6,673 Ordinary Shares which vested today in favour of David Crosby, Group Financial Controller, under the ESOP, 6,673 Ordinary Shares were today sold on behalf of David Crosby at a price of 1,000 pence per Ordinary Share.

David Crosby has no direct shareholding in the Company and is the beneficial owner of 53,843 conditional nil-cost options.

For further information please contact:

Cara Crichton

Assistant Company Secretary

Genus plc

Tel: 01256 345996