Haydale Graphene Industries plc (the "Company") Director's DealingOn 23 April 2014, Roger Humm, a Non-executive Director of the Company purchased5,988 ordinary shares of 2p each at a price of 166.99p per share and followingthis transaction he is now interested in 5,988 ordinary shares of 2p each inthe Company, representing 0.05% of the total voting rights of the Company of11,247,823 shares. For further information please contact:Haydale Graphene Industries plc 01269 842 946John Knowles, ChairmanRay Gibbs, Chief Executive OfficerCairn Financial Advisers LLP (Nomad) 0207 148 7900Tony RawlinsonPaul TrendellHume Capital (Broker) 020 3693 1470Guy PetersDavid LawmanHermes Financial PR 07889 153 628Trevor Phillips