TR-1: NOTIFICATION OF MAJOR INTEREST IN SHARES i 1. Identity of the issuer or the underlying issuer of existing shares to which voting rights are attached: ii Hutchison China MediTech Limited 2 Reason for the notificatio

Chain of controlled undertakings through which the voting rights and/or the financial instruments are effectively held, if applicable: xxi Proxy Voting: 10. Name of the proxy holder: 11. Number of voting rights proxy holder will cease to hold: 12. Date on which proxy holder will cease to hold voting rights: 13. Additional information: 14. Contact name: Ralph Baber 15.

Notified details: A: Voting rights attached to shares viii, ix Class/type of shares Situation previous to the triggering transaction Resulting situation after the triggering transaction if possible using the ISIN CODE Number of Number of Number of shares Number of voting rights % of voting rights x Shares Voting Rights Direct Direct xi Indirect xii Direct Indirect KYG4672N1016 1,824,926 1,824,926 232,538 232,538 1,581,388 0.38% 2.60% B: Qualifying Financial Instruments Resulting situation after the triggering transaction Type of financial instrument Expiration date xiii Exercise/ Conversion Period xiv Number of voting rights that may be acquired if the instrument is exercised/ converted. % of voting rights C: Financial Instruments with similar economic effect to Qualifying Financial Instruments xv, xvi Resulting situation after the triggering transaction Type of financial instrument Exercise price Expiration date xvii Exercise/ Conversion period xviii Number of voting rights instrument refers to % of voting rights xix, xx Nominal Delta Total (A+B+C) Number of voting rights Percentage of voting rights 1,813,926 2.98% 9.

Full name of person(s) subject to the notification obligation: iii Slater Investments Limited 4. Full name of shareholder(s) (if different from 3.): iv 5. Date of the transaction and date on which the threshold is crossed or reached: v 18 October 2017 6. Date on which issuer notified: 18 October 2017 7. Threshold(s) that is/are crossed or reached: vi, vii Below 3% 8.

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