Total Voting Rights

BIOVENTIX PLC                                 

                               30 SEPTEMBER 2010                               

                              TOTAL VOTING RIGHTS                              

In accordance with FSA's Disclosure & Transparency Rules, Bioventix plc advises
that its issued share capital comprises 5,025,385 ordinary shares of 5p each.
The voting rights of all of these shares are identical.

The above figure may be used by shareholders as the denominator for the
calculations by which they will determine if they are required to notify their
interest in, or a change to their interest in, Bioventix plc under the FSA's
Disclosure and Transparency Rules.

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.