Holding(s) in Company

TR-1: NOTIFICATION OF MAJOR INTEREST IN SHARESi 1. Identity of the issuer or the underlying issuerof existing shares to which voting rights are Bioventix Plcattached:ii 2 Reason for the notification (please tick the appropriate box or boxes): An acquisition or disposal of voting rights X An acquisition or disposal of qualifying financial instruments which may resultin the acquisition of shares already issued to which voting rights are attached An acquisition or disposal of instruments with similar economic effect toqualifying financial instruments An event changing the breakdown of voting rights Other (please specify): 3. Full name of person(s) subject to the Henderson Global Investorsnotification obligation:iii 4. Full name of shareholder(s) (if different from 3.):iv 5. Date of the transaction and date onwhich the threshold is crossed or 04/12/2014reached: v 6. Date on which issuer notified: 05/12/2014 7. Threshold(s) that is/are crossed or Below 21%reached: vi, vii 8. Notified details: A: Voting rights attached to shares viii, ix Class/type Situation previous Resulting situation after the triggering transactionof to the triggeringshares transaction Number Number Number Number of voting % of voting rightsif possible of of of rights xusing Shares Voting sharesthe ISIN RightsCODE Direct Direct xi Indirect xii Direct Indirect GB00B4QVDF07 1,064,160 1,064,160 1,026,660 20.32% B: Qualifying Financial Instruments Resulting situation after the triggering transaction Type of Expiration Exercise/ Number of voting % of votingfinancial date xiii Conversion Period xiv rights that may be rightsinstrument acquired if the instrument is exercised/ converted. C: Financial Instruments with similar economic effect to Qualifying FinancialInstruments xv, xvi Resulting situation after the triggering transaction Type of Exercise price Expiration Exercise/ Number of voting rights % of votingfinancial date xvii Conversion instrument refers to rights xix, xxinstrument period xviii Nominal Delta Total (A+B+C) Number of voting rights Percentage of voting rights 1,026,660 20.32% 9. Chain of controlled undertakings through which the voting rights and/or thefinancial instruments are effectively held, if applicable: xxi Proxy Voting: 10. Name of the proxy holder: 11. Number of voting rights proxy holder will ceaseto hold: 12. Date on which proxy holder will cease to holdvoting rights: 13. Additional information: 14. Contact name: Scott Dickenson 15. Contact telephone number: 0207 818 4184