Total Voting Rights

5 April 2018

Horizon Discovery Group plc 

Total Voting Rights

In accordance with Disclosure and Transparency Rule 5.6.1 Horizon Discovery Group plc (the "Company") advises that:

As at 31 March 2018, the Company's issued share capital consisted of 149,091,182 ordinary shares of 1p each with voting rights. The Company does not hold any ordinary shares in Treasury.

The total number of voting rights in the Company is therefore 149,091,182.

The above figure (149,091,182) may be used by shareholders as the denominator for the calculations by which they will determine if they are required to notify their interest in, or a change to their interest in, Horizon Discovery Group plc under the FCA's Disclosure and Transparency Rules.

ENDS

For further information, please contact:

Horizon Discovery Group plc

Richard Vellacott, Interim Chief Executive Officer

Chris Claxton, VP Investor Relations

Tel: +44 (0) 1223 655 580

Numis Securities Limited (Broker and NOMAD)

Michael Meade / Freddie Barnfield

Tel: +44 (0) 207 260 1000