Presenting at Upcoming Investor Conferences

GW Pharmaceuticals to Present at Upcoming Investor Conferences

London, UK, 25 February 2015: GW Pharmaceuticals plc (Nasdaq: GWPH, AIM: GWP, "GW," "the Company" or "the Group"), a biopharmaceutical company focused on discovering, developing and commercializing novel therapeutics from its proprietary cannabinoid product platform, announced that Justin Gover, GW's Chief Executive Officer, is scheduled to present at the Cowen and Company 35th Annual Healthcare Conference to be held at the Boston Marriott Copley Place Hotel in Boston, MA on Tuesday, 3 March, 2015 at 10:00 a.m. EST and at the Bank of America Merrill Lynch Smid Cap Conference at the Four Seasons Hotel in Boston, MA on Wednesday, 18 March, 2015 at 8:00 a.m. EDT.

A live audio webcast of the presentation will be available through GW's corporate website in the investor relations section from the investor's calendar of events page at www.gwpharm.com. A replay will be available soon after the live presentation.

About GW Pharmaceuticals plc

Founded in 1998, GW is a biopharmaceutical company focused on discovering, developing and commercializing novel therapeutics from its proprietary cannabinoid product platform in a broad range of disease areas. GW commercialized the world's first plant-derived cannabinoid prescription drug, Sativex®, which is approved for the treatment of spasticity due to multiple sclerosis in 27 countries outside the United States. Sativex is also in Phase 3 clinical development as a potential treatment of pain associated with advanced cancer. GW is also advancing an orphan drug program in the field of childhood epilepsy with a focus on Epidiolex®, which is in Phase 2/3 clinical development for the treatment of Dravet syndrome and which is also expected to enter Phase 3 clinical trials in the treatment of Lennox-Gastaut syndrome. GW has a deep pipeline of additional cannabinoid product candidates which includes compounds in Phase 1 and 2 clinical development for glioma, ulcerative colitis, type 2 diabetes, and schizophrenia. For further information, please visit www.gwpharm.com.

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