Appointment of Director

Symphony Environmental Tech. PLC 03 August 2007 3 August 2007 SYMPHONY ENVIRONMENTAL TECHNOLOGIES PLC Appointment of Director Symphony Environmental Technologies plc ('Symphony' or 'the Company'), the degradable plastics and waste-to-energy Group, is pleased to announce that Mr. Michael Stephen has accepted the Directors' invitation to join the Board as a non-Executive Director and has been appointed Deputy Chairman of the Company, and Chairman of its subsidiaries. He has been working alongside the Chairman and management team since 3 April 2007 to drive improvements in the Company's business. Mr. Stephen (64) qualified as a Solicitor with Distinction in Company Law. He was later called to the Bar, and practised from chambers in London for many years, dealing with civil cases in the High Court and Court of Appeal. He was elected to Parliament in 1992 and was a member of the Trade and Industry Select Committee and the Environment Select Committee of the House of Commons. He served in Government as Parliamentary Private Secretary at the Ministry of Agriculture. He held a Harkness Fellowship in law at Stanford and Harvard Universities in the USA, and was Deputy Legal Adviser to the British Ambassador to the United Nations. For six years he delivered the Evelyn Wrench Memorial Lecture on Anglo-American Relations to the English- Speaking Union of the United States, and was a founder-member of the Leadership Seminars at the Georgetown University School of Foreign Service, Washington DC. Barrie Michael Lace Stephen is the owner of 36,764 Ordinary Shares and 1,300,000 share options in the Company. During the past five years Mr. Stephen has been a Director of Severnside International Airport Ltd. and Severnside International Airport (Developments) Ltd. - dormant companies from which he has resigned. There is no other information that is required to be disclosed under Schedule 2 paragraph (g) of the AIM Rules. Michael Laurier, Chief Executive said 'We are delighted to welcome Michael Stephen to the Board of Symphony. His distinguished background and wide experience will bring great strength to the Group in the future.' Symphony Environmental Technologies Michael Laurier, Group Chief Executive Tel: 020 8207 5900 Ian Bristow, Finance Director Citigate Dewe Rogerson Freida Moore Tel: 020 7638 9571 Ged Brumby Further information on the Symphony Environmental Technologies Group of companies: SYMPHONY ENVIRONMENTAL LTD is a world leader in oxo-biodegradable plastics. It develops and supplies environmentally-responsible pro-degradant additives as well as oxo-biodegradable plastic film, and rigid packaging products. SYMPHONY ENERGY RESOURCES LTD. is developing innovative waste-to-energy technology and is exploring many opportunities where there is a demand to convert plastics, tyres and other waste streams into valuable products by cost effective processes. SYMPHONY PLASTICS LTD has for many years supplied a popular range of conventional plastic bags and other plastic packaging products. THE SYMPHONY GROUP has a diverse and growing customer base in the UK and has successfully established itself as an international business after signing agreements with companies in Argentina, Australia, Brazil, Canada & USA, the Caribbean, Chile, Colombia, France, India, Mexico, New Zealand, Peru, Portugal, South Africa, Saudi Arabia, Uruguay and Qatar. Its d2w(R) products can already be found in more than 50 countries. Further information on the Symphony Group can be found at www.symphonyplastics.com and www.degradable.net This information is provided by RNS The company news service from the London Stock Exchange