Annual Report & Accounts & Notice of AGM

GW Pharmaceuticals PLC

Publication of Annual Report and Accounts to 30 September 2011

GW Pharmaceuticals has published its Annual Report and Accounts for the year ended 30 September 2011 and Notice of Annual General Meeting, for the meeting scheduled to take place at Porton Down on 25 January 2012.

These documents have been distributed to shareholders. Both documents are now available from the Company's website, www.gwpharm.com.

For further information, please contact:

GW Pharmaceuticals PLC Tel: +44 (0)1980 557 000

Adam George, Company Secretary

Peel Hunt LLP (Nominated Adviser) Tel: +44 (0)207 418 8900

James Steel/Vijay Barathan