Director/PDMR Shareholding

BIOVENTIX PLC

DIRECTOR'S DEALINGS

8 NOVEMBER 2011

The Directors of Bioventix plc announce that Peter Harrison, Chief Executive
Officer, has today transferred 100,000 shares to his wife Abigail Harrison.
Peter remains interested in 1m shares representing 19.9% of the issued share
capital.

For further information, please contact:

Bioventix plc

Peter Harrison

Tel: [phone]

Keith, Bayley, Rogers & Co. Limited

David Coffman

Tel: [phone]

The Directors of Bioventix plc accept responsibility for this announcement.