Presents at Goldman Sachs and Jefferies Conference

GW Pharmaceuticals to Present at the Goldman Sachs 37th Annual Global Healthcare Conference and the Jefferies 2016 Healthcare Conference

London, UK, 31 May 2016: GW Pharmaceuticals plc (Nasdaq: GWPH, AIM: GWP, "GW" or "the Company"), a biopharmaceutical company focused on discovering, developing and commercializing novel therapeutics from its proprietary cannabinoid product platform, today announced that Justin Gover, GW's Chief Executive Officer, is scheduled to present at the Goldman Sachs 37th Annual Global Healthcare Conference to be held at Terranea in Rancho Palos Verdes, California on 8 June, 2016 at 8:40 a.m. PDT and at the Jefferies 2016 Global Healthcare Conference at the Grand Hyatt Hotel in New York City on 9 June, 2016 at 4:00 p.m. EDT.

A live audio webcast of the presentations 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 presentations.

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 28 countries outside the United States. GW is advancing an orphan drug program in the field of childhood epilepsy with a focus on Epidiolex® (cannabidiol), which is in Phase 3 clinical development for the treatment of Dravet syndrome, Lennox-Gastaut syndrome and Tuberous Sclerosis Complex. GW has a deep pipeline of additional cannabinoid product candidates which includes compounds in Phase 1 and 2 trials for glioma, type 2 diabetes, schizophrenia and epilepsy. For further information, please visit www.gwpharm.com.

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