Transaction in Own Shares

For immediate release

26 June 2015

THE BIOTECH GROWTH TRUST PLC

(the "Company")

MARKET PURCHASE OF COMPANY’S OWN SHARES

Notification is given, pursuant to the authority granted at the Annual General Meeting of the Company held on 10 July 2014 to make market purchases of the Company’s own shares up to an aggregate maximum of 10,170,676 that a market total of 86,772 Ordinary shares of 25p each in the capital of the Company were purchased today by the Company at a price of 800.00p per share. These shares will be held in treasury.

Following this transaction and in conformity with the provisions of the Transparency Directive, the Company hereby notifies the market that the resultant number of Ordinary shares held by the Company in treasury is 6,311,088 and the total number of Ordinary shares that the Company has in issue is 68,886,347 so that the total number of voting rights in the Company following the repurchase is 62,575,259.

The figure of 62,575,259 may be used by shareholders as the denominator for the calculation by which they may determine if they are required to notify their interest in, or change to their interest in, the Company under the FCA’s Disclosure and Transparency Rules.

For and on behalf of

Frostrow Capital LLP

Company Secretary

For further information, please contact:

Mark Pope

Frostrow Capital LLP

Tel: [phone]