Trading on PLUS

Symphony Environmental Tech. PLC 18 July 2007 SYMPHONY ENVIRONMENTAL TECHNOLOGIES PLC Trading on PLUS Symphony Environmental Technologies Plc ('Symphony' or 'the Company'), the degradable plastics and waste-to-energy Group, today announces its common shares have been admitted to trading on 'PLUS' under the trading symbol of 'SYM' with Winterflood Securities, KBC Peel Hunt and Shore Capital. 'PLUS'' is a new independent London-based equity market service provided by PLUS Markets Group plc. 'PLUS' is based on a quote-driven trading system and currently trades over 1000 small and mid-cap company shares representing a combined market capitalisation of over £200 billion. The Company's common shares will continue to be quoted and traded on AIM and trading through the PLUS platform is intended to enhance investor choice, improve liquidity for shareholders and provide greater access to investors. For more information on 'PLUS', visit www.plusmarketsgroup.com Michael Laurier, Chief Executive said: 'Trading on 'PLUS' should increase the profile of Symphony, both institutional and retail and we believe this new exposure will represent opportunities to further increase our liquidity and extend our shareholder base'. For further information, please contact: Symphony Tel: 020 8207 5900 Michael Laurier, CEO Ian Bristow, FD Citigate Dewe Rogerson Tel: 020 7638 9571 Freida Moore Ged Brumby Further information on the Symphony Group can be found at www.symphonyplastics.com and www.degradable.net. Further information on the Symphony Environmental Technologies Group of companies: SYMPHONY ENERGY RESOURCES LTD. is developing innovative waste-to-energy technology processing plants 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 ENVIRONMENTAL LTD is a world leader in oxo-biodegradable plastics. It develops and supplies environmentally responsible pro-degradent additives as well as oxo-biodegradable plastic film, and rigid packaging products. The company's technology, marketed under the d2w(TM) registered trademark, causes plastic to biodegrade, leaving only water, a minimal amount of carbon dioxide and trace amounts of non-toxic biomass over a short time period. These products can be recycled and can be made from recyclate, and can also be composted using in-vessel processes. SYMPHONY PLASTICS LTD has for many years supplied a very popular range of conventional plastic bags and other packaging products. THE SYMPHONY GROUP has a diverse and growing customer and distribution base in the UK and has successfully established itself as an international business after signing agreements with companies in Argentina, Brazil, Canada & USA, Chile, Colombia, France, India, Mexico, New Zealand, Peru, Portugal, South Africa, Spain, the Caribbean, Saudi Arabia, and Qatar. d2w(TM) products can already be found in more than 50 countries. END This information is provided by RNS The company news service from the London Stock Exchange