Director's dealing in securities

8 April 2015

Hydrodec Group plc

("Hydrodec" or the "Company")

Director's dealing in securities

The Company received notifications on 7 April 2015 that:

· On 2 April 2015, Lord Moynihan, the Chairman, acquired 310,155 ordinary shares in the Company ("Shares") at a price of 6.6p per Share. Following the purchase, Lord Moynihan is interested in 10,207,904 Shares (representing approximately 1.4 per cent of the issued voting Shares).

· On 2 April 2015, Andrew Black, a Non-Executive Director, acquired 1,000,000 Shares at an average price of 6.725p per Share and on 7 April 2015 he acquired a further 750,000 Shares at an average price of 6.917p per Share. Following these purchases, Andrew Black is interested in 183,574,857 Shares (representing approximately 24.6 per cent of the issued voting Shares).

· On 7 April 2015, Ian Smale, the Chief Executive, acquired 200,000 Shares at an average price of 7p per Share. Following the purchase, Ian Smale is interested in 1,128,014 Shares (representing approximately 0.15 per cent of the issued voting Shares).

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Notes to Editors:

Hydrodec's technology is a proven, highly efficient, oil re-refining and chemical process initially targeted at the multi-billion US$ market for transformer oil used by the world's electricity industry. Spent oil is currently processed at two commercial plants with distinct competitive advantage delivered through very high recoveries (near 100%), producing 'as new' high quality oils at competitive cost and without environmentally harmful emissions. The process also completely eliminates PCBs, a toxic additive banned under international regulations. Hydrodec's plants are located at Canton, Ohio, US and Young, New South Wales, Australia. In 2013, Hydrodec acquired the business and assets of OSS Group, the UK's largest collector, consolidator and processor of used lubricant oil and seller of processed fuel oil, with a national network of oil storage and transfer stations, currently serviced by a fleet of more than 90 trucks which collect used oil and other garage workshop waste from over 30,000 customers. Used oil is converted into processed fuel oil at OSS's plant at Stourport and principally sold on to the UK quarry and power industry. In line with our stated intention to develop a base oil re-refinery in the UK, we have an exclusive licence agreement with California-based Chemical Engineering Partners (CEP) to develop the CEP wiped-film evaporation and hydrogenation technology in the UK as well as the basic engineering for a 75 million litre per annum capacity base oil re-refinery.

Hydrodec's shares are listed on the AIM Market of the London Stock Exchange. For further information, please visit www.hydrodec.com.