Shareholder Notification

BIOVENTIX PLC

SHAREHOLDER NOTIFICATION

7 DECEMBER 2012

The Company has received notification from MAM Funds plc that the Acuim
Multicap Income Fund acquired 324,603 ordinary shares in Bioventix plc on 29
November 2012 and as a result holds ordinary shares representing 6.5% of the
issued share capital.

The Directors of Bioventix plc accept responsibility for this announcement.

For further information, please contact:

Bioventix plc

Peter Harrison

Tel: [phone]

Keith, Bayley, Rogers & Co. Limited

David Coffman

Tel: [phone]