Director Declaration

24 May 2012

                         THE BIOTECH GROWTH TRUST PLC                          

                                (the "Company")                                

             Notification of Board changes and Directors' details              

Announcement is made in respect of paragraph 9.6.14R of the Listing Rules on
behalf of Peter Keen, Director.

The Company hereby announces that Peter Keen, non-executive Director, ceased to
be a non-executive Director of Ark Therapeutics Group plc with effect from 17
May 2012.

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Contact information:

Mark Pope - 020 3 008 4913

Frostrow Capital LLP

Company Secretary