GENEVA, SWITZERLAND--(Marketwire - April 18, 2008) - Addex Pharmaceuticals Ltd. (SWX: ADXN) announced that its shareholders approved all the proposals of the board of directors at its 2008 annual general meeting ("2008 AGM") today. In particular, Addex is pleased to announce that Ray Hill was elected to its board of directors for a three-year term. Dr. Hill will assume his board seat effective May 1, 2008.