Summit Therapeutics plc : Grant of Share Options

Summit Therapeutics plc
("Summit" or the "Company")

GRANT OF SHARE OPTIONS

Oxford, UK, 28 June 2017 - Summit Therapeutics plc (AIM: SUMM, NASDAQ: SMMT), the drug discovery and development company advancing therapies for Duchenne muscular dystrophy and C. difficile infection, announces that on 27 June 2017 it granted share options over 34,711 new ordinary shares of 1p nominal value ("Shares") at an exercise price of 180 pence per Share to employees of the Company. These options will vest in nine equal tranches on a quarterly basis from 27 June 2018 and will vest in full on 27 June 2020.

The above exercise price is the mid-market closing price of Summit`s Shares on 26 June 2017. These option awards have been made under the Company`s 2016 Long Term Incentive Plan.

This announcement contains inside information for the purposes of Article 7 of EU Regulation 596/2014.

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For more information, please contact:

Summit Therapeutics Richard Pye (UK office) Erik Ostrowski (US office)	Tel: +44 (0)1235 443 951 +1 617 294 6607
Cairn Financial Advisers LLP (Nominated Adviser) Liam Murray / Tony Rawlinson	Tel: +44 (0)20 7213 0880

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This announcement is distributed by NASDAQ OMX Corporate Solutions on behalf of NASDAQ OMX Corporate Solutions clients.

The issuer of this announcement warrants that they are solely responsible for the content, accuracy and originality of the information contained therein.
Source: Summit Therapeutics plc via GlobeNewswire
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