For immediate release 30 May 2014 THE BIOTECH GROWTH TRUST PLC (the "Company") MARKET PURCHASE OF COMPANY'S OWN SHARESNotification is given, pursuant to the authority granted at the Annual GeneralMeeting of the Company held on 9 July 2013 to make market purchases of theCompany's own shares up to an aggregate maximum of 10,212,888 that a markettotal of 198,326 Ordinary shares of 25p each in the capital of the Company werepurchased today by the Company at a price of 460.496p per share. These shareswill be held in treasury.Following this transaction and in conformity with the provisions of theTransparency Directive, the Company hereby notifies the market that theresultant number of Ordinary shares held by the Company in treasury is 967,763and the total number of Ordinary shares that the Company has in issue is68,886,347 so that the total number of voting rights in the Company followingthe repurchase is 67,918,584.The figure of 67,918,584 may be used by shareholders as the denominator for thecalculation by which they may determine if they are required to notify theirinterest in, or change to their interest in, the Company under the FCA'sDisclosure and Transparency Rules.For and on behalf ofFrostrow Capital LLPCompany SecretaryFor further information, please contact:Mark PopeFrostrow Capital LLPTel: 020 3 008 4913