Total Voting Rights

28 February 2013 Verona Pharma plc ("Verona" or the "Company") Total Voting Rights

In conformity with the Financial Services Authority's Disclosure andTransparency Rules, the Company would like to notify the market that as at 28February 2013, the issued ordinary share capital of the Company consisted of336,175,923 ordinary shares with voting rights attached (one vote per ordinaryshare). There are no ordinary shares held in treasury.

The above total voting rights figure may be used by shareholders as thedenominator for the calculations by which they will determine whether they arerequired to notify their interest in, or a change to their interest in, theCompany under the Financial Service Authority's Disclosure and TransparencyRules. Enquiries: Verona Pharma plc Tel: 020 7863 3300 Jan-Anders Karlsson, CEO [email protected] WH Ireland Limited Tel: 020 7220 1650 Chris Fielding / Nick Field [email protected]