Net Asset Value(s)

THE BIOTECH GROWTH TRUST PLC

NET ASSET VALUE

The estimated un-audited net asset value, calculated in accordance with the guidelines of the Association of Investment Companies, for The Biotech Growth Trust PLC at the close of business on 9 July 2015 was 859.62p (ex & cum income).

The Company holds 6,311,088 shares in treasury.  In line with the Company’s published policy any re-sale of treasury shares will only take place at a premium to the prevailing net asset value per share at the time of issue and therefore the shares held in treasury do not give rise to a potential dilution to net asset value per share.

For and on behalf of the Board

Frostrow Capital LLP

Secretary

10 July 2015