Block listing Interim Review


BLOCK LISTING SIX MONTHLY RETURN

 (Note: Italicised terms have the same meaning as given in the Listing Rules.)

Date: 01 October 2018

Name of applicant:Summit Therapeutics plc
Name of scheme:2005 EMI Scheme
Period of return:From:06 Apr 2018To:30 Sep 2018
Balance of unallotted securities under scheme(s) from previous return:4,451,274
Plus:  The amount by which the block scheme(s) has been increased since the date of the last return (if any increase has been applied for):Zero
Less:  Number of securities issued/allotted under scheme(s) during period (see LR3.5.7G):48,981
Equals:  Balance under scheme(s) not yet issued/allotted at end of period:4,402,293


Name of applicant:Summit Therapeutics plc
Name of scheme:2016 Long term Incentive Plan
Period of return:From:06 Apr 2018To:30 Sep 2018
Balance of unallotted securities under scheme(s) from previous return:4,235,713
Plus:  The amount by which the block scheme(s) has been increased since the date of the last return (if any increase has been applied for):Zero
Less:  Number of securities issued/allotted under scheme(s) during period (see LR3.5.7G):38,850
Equals:  Balance under scheme(s) not yet issued/allotted at end of period:4,196,863


Name of contact:Richard Pye
Telephone number of contact:+44 (0)1235 443951