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 Miton Group plcnotification obligation:iii4. Full name of shareholder(s) (if different from 3.):iv5. Date of the transaction and date onwhich the threshold is crossed or 04/12/2014reached: v6. Date on which issuer notified: 05/12/20147. Threshold(s) that is/are crossed or 21%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 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 IndirectGB00B4QVDF07 1,112,867 1,112,867 1,025,367 20.30%B: Qualifying Financial InstrumentsResulting situation after the triggering transactionType 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, xviResulting situation after the triggering transactionType of Exercise price Expiration Exercise/ Number of voting rights % of votingfinancial date xvii Conversion instrument refers to rights xix, xxinstrument period xviii Nominal DeltaTotal (A+B+C)Number of voting rights Percentage of voting rights 1,025,367 20.30%9. Chain of controlled undertakings through which the voting rights and/or thefinancial instruments are effectively held, if applicable: xxiCF Miton UK Multi Cap Income Fund 336,367 6.66%Diverse Income Trust 594,000 11.76%CF Miton UK Smaller Companies 95,000 1.88%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: The shares referred to in section 913. Additional information: are held in portfolios managed by the Miton Group on a discretionary basis and held within the Investment Trusts which are also managed by the Group. This disclosure is based on issue share capital amount 5,050,931.14. Contact name: Charmaine Tusler15. Contact telephone number: 0203 714 1479