TR-1: NOTIFICATION OF MAJOR INTEREST IN SHARESi1. Identity of the issuer or the underlying issuerof existing shares to which voting rights are Bioventix Plcattached:ii2 Reason for the notification (please tick the appropriate box or boxes):An acquisition or disposal of voting rights XAn acquisition or disposal of qualifying financial instruments which may resultin the acquisition of shares already issued to which voting rights are attachedAn acquisition or disposal of instruments with similar economic effect toqualifying financial instrumentsAn event changing the breakdown of voting rightsOther (please specify):3. Full name of person(s) subject to the Hargreave Hale Limitednotification obligation:iii4. Full name of shareholder(s) Discretionary Clients (if different from 3.):iv5. Date of the transaction and date onwhich the threshold is crossed or 09/05/14reached: v6. Date on which issuer notified: 12/05/147. Threshold(s) that is/are crossed or 5%reached: vi, vii8. Notified details:A: Voting rights attached to shares viii, ixClass/type Situation previous Resulting situation after the triggering transactionof to the triggeringshares transactionif possible Number Number Number Number of voting % of voting rights xusing of of of shares rightsthe ISIN Shares VotingCODE Rights Direct Indirect Direct xi Indirect xii Direct IndirectGB00B4QVDF07 245,000 245,000 259,405 259,405 5.1426%B: Qualifying Financial InstrumentsResulting situation after the triggering transactionType of financial Expiration Exercise/ Number of voting % of votinginstrument date xiii Conversion Period xiv rights that may be rights acquired if the instrument is exercised/ converted.C: Financial Instruments with similar economic effect to Qualifying FinancialInstruments xv, xviResulting situation after the triggering transactionType of Exercise price Expiration Exercise/ Number of voting rights % of voting rightsfinancial date xvii Conversion instrument refers to xix, xxinstrument period xviii Nominal DeltaTotal (A+B+C)Number of voting rights Percentage of voting rights 259,405 5.1426%9. Chain of controlled undertakings through which the voting rights and/or thefinancial instruments are effectively held, if applicable: xxiAll of these shares are held for a unit trust operated by Marlborough FundManagers Ltd, for whom Hargreave Hale Ltd manages the investments on adiscretionary basis.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: David Clueit15. Contact telephone number: 01253 754739