Holding(s) in Company

27 February 2015 Haydale Graphene Industries plc (the "Company") Notifiable Interest The Company was informed on 26 February 2015 by Mr Nick John that, followingrecent purchases of ordinary shares of 2p each in the Company ("Ordinary Shares") by Mr John and entities connected to him, Mr John now has an interest in345,098 Ordinary Shares, representing 3.01% of the Company's issued ordinaryshare capital. For further information please contact: Haydale Graphene Industries plc 01269 842 946John Knowles, ChairmanRay Gibbs, Chief Executive Officer Cairn Financial Advisers LLP (Nomad) 020 7148 7900Tony RawlinsonCarolyn Sansom Cantor Fitzgerald Europe (Broker) 020 7894 7000David ForemanDavid Banks Hermes Financial PRTrevor Phillips 07889 153 628Chris Steele 07979 604 687