Summit Therapeutics to Host R&D Day 11 October 2017

Summit Therapeutics plc (NASDAQ:SMMT)(AIM:SUMM), the drug discovery and development company advancing therapies for Duchenne muscular dystrophy and Clostridium difficile infection (‘CDI’), will host an R&D Day featuring presentations from experts in quantitative muscle image analysis and CDI alongside Summit’s management on 11 October 2017 in New York City.

This event is open to analysts, institutional investors and members of the press. For more information, email [e-mail].

A live audio webcast of the presentation will be available through the Investors section on the Company’s website, www.summitplc.com. A replay of the webcast will be available soon after the live presentation.

About Summit Therapeutics Summit is a biopharmaceutical company focused on the discovery, development and commercialisation of novel medicines for indications for which there are no existing or only inadequate therapies. Summit is conducting clinical programs focused on the genetic disease, Duchenne muscular dystrophy, and the infectious disease, Clostridium difficile infection. Further information is available at www.summitplc.com and Summit can be followed on Twitter (@summitplc).

For more information, please contact:

Summit Therapeutics Glyn Edwards / Richard Pye (UK office)Erik Ostrowski / Michelle Avery (US office)		Tel: [phone]       [phone]
Cairn Financial Advisers LLP (Nominated Adviser)Liam Murray / Tony Rawlinson		Tel: [phone]
N+1 Singer (Broker)Aubrey Powell / Lauren Kettle		Tel: [phone]
MacDougall Biomedical Communications(US media contact)Karen Sharma		Tel: [phone] [e-mail]
Consilium Strategic Communications (Financial public relations, UK)Mary-Jane Elliott / Sue Stuart / Jessica Hodgson / Lindsey Neville		Tel: [phone] [e-mail]