OBS Medical

July 29, 2011 — Oxygen Biotherapeutics Inc. and privately held Aurum Biosciences Ltd. of Glasgow, Scotland, have signed a letter of intent (LOI) to conduct preclinical research for imaging and therapeutic intervention of acute ischemic stroke. Aurum, using Oxygen’s proprietary Oxycyte PFC (perfluorocarbon) emulsion in combination with Aurum’s proprietary Glasgow Oxygen Level Dependent (GOLD) magnetic resonance imaging (MRI) techniques, will conduct the research.