Notice of Results

Verona Pharma plc ("Verona Pharma" or the "Company") Notice of Results London, UK, 23September 2013 - Verona Pharma plc (AIM:VRP), the drugdevelopment company focused on "first-in-class" medicines to treat respiratorydiseases, will announce its interim results for the six months ended 30 June2013 on Monday 30 September 2013. -Ends- For further information please contact: Verona Pharma plc Tel: 020 7863 3300 Clive Page, Chairman Jan-Anders Karlsson, CEO Richard Bungay, CFO WH Ireland Limited Tel: 020 7220 1666 Chris Fielding Nick Field FTI Consulting Tel: 020 7831 3113 Julia Phillips Simon Conway Notes to Editors About Verona Pharma plc Verona Pharma is developing first-in-class drugs to treat respiratory disease,such as COPD, asthma and chronic, severe cough. The Company has three drugprogrammes, two of which are in Phase II. The lead programme, RPL554, is aninnovative dual phosphodiesterase (PDE) 3 and 4 inhibitor with bothbronchodilator and anti-inflammatory properties. VRP700 is an innovativeproduct for suppressing chronic, severe cough in patients with underlying lungdisease. In its third programme, Verona Pharma is investigating novelanti-inflammatory molecules, called NAIPs, for a wide range of respiratory andinflammatory diseases. About RPL554 for the treatment of COPD and Asthma Verona's lead drug, RPL554, is a dual phosphodiesterase (PDE) 3 and 4 inhibitorbeing developed as a novel treatment for chronic obstructive airways diseasesuch as COPD and asthma with bronchodilator and anti-inflammatory effects. Botheffects are essential to improve symptoms in patients with COPD or asthma.RPL554 is currently in phase II for both diseases. COPD is a chronic lung disease with significant unmet need for which currenttreatment is far from optimal, as it often has unwanted side-effects and/orlimited effectiveness. COPD is most commonly characterised by fixed airflowobstruction and chronic airways inflammation resulting from exposure toirritants like tobacco smoke. Asthma, which remains one of the most commonchronic diseases in the world, is characterised by recurrent breathing problemsand symptoms such as breathlessness, wheezing, chest tightness, and coughing.The market for COPD and asthma drugs is currently estimated to be GBP20 billion[source: visiongain]. About VRP700 for the treatment of Cough VRP700 is Verona Pharma's lead drug compound for the treatment of cough, havinga novel mechanism of action involving the suppression of cough initiatingsignals originating from cough sensory nerve endings located in the lungs. Aclinical trial completed at the University of Florence, Italy in September 2011clearly demonstrated significant anti-tussive effects with nebulised VRP700 inhospitalized patients with chronic severe cough. Cough can be a very debilitating comorbidity reported by patients, especiallythose with respiratory conditions such as asthma, COPD, lung cancer,interstitial lung disease, fibrosis or lung infections. It is a neglectedsymptom which is often self-medicated. Consumer spending on OTC medications,including those for cough, grew by 10% over 2005-10, to reach GBP532 million inUK [source: Mintel]. However, there is very little clinical evidence for suchOTC cough medications being really effective and it is widely recognised by themedical community that there is a large need for more effective drugs tocontrol and prevent pathologically induced coughing.