THE BIOTECH GROWTH TRUST PLCNET ASSET VALUEThe estimated un-audited net asset value, calculated in accordance with theguidelines of the Association of Investment Companies, for The Biotech GrowthTrust PLC at the close of business on 21 May 2015 was 852.03p (ex & cumincome).The Company holds 5,699,614 shares in treasury. In line with the Company'spublished policy any re-sale of treasury shares will only take place at apremium to the prevailing net asset value per share at the time of issue andtherefore the shares held in treasury do not give rise to a potential dilutionto net asset value per share.For and on behalf of the BoardFrostrow Capital LLPSecretary
22 May 2015