Issue of Equity

THE BIOTECH GROWTH TRUST PLC                          

                                 14 March 2013                                 

                 Allotment of Ordinary Shares - Clarification                  

THE BIOTECH GROWTH TRUST PLC (the "Company") confirms that further to the
announcement made on 12 March 2013 regarding the allotment of 200,000 Ordinary
shares of 25p each fully paid, such shares will now be allotted under the
Company's block listing authority and not under a separately applied for
listing as indicated in the original announcement.

Following this issue, the Company has the ability to issue a further 4,480,000
Ordinary shares under its block listing facility.

Following this transaction the Company hereby notifies the market that it has
in issue 64,056,347 Ordinary shares of 25p each all with voting rights. No
shares were held in treasury at the date of announcement.

The figure of 64,056,347 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 FSA's
Disclosure and Transparency Rules.

Enquiries:

Mark Pope
Frostrow Capital LLP
Tel: [phone]