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NYSE Euronext’s Alternext Welcomes Proventec - First UK Firm To Dual List On AIM And Alternext

Date 22/05/2008

NYSE Euronext announced today that Proventec, a UK company which provides specialist steam-cleaning technologies, listed and opened for trading today on its Alternext Paris market under the ticker symbol “ALPTC”.

Proventec is the fifth LSE-listed company to seek a listing on Euronext markets in recent months and the first of these companies to be listed on NYSE Euronext’s European market, Alternext.

Jean-François Théodore, Deputy CEO, NYSE Euronext said: “We are delighted to welcome Proventec on to Alternext, which, as one of NYSE Euronext’s European markets, will give the company greater access to European and other international investors in the Eurozone and enable it to trade in euros, one of the world’s leading currencies. We look forward to a beneficial and lasting partnership and to providing the company and its shareholders with the highest levels of service, liquidity and brand visibility associated with listing on NYSE Euronext markets.”

David Chestnutt, the Chief Executive of Proventec said: “Our operations have been expanding quickly into Europe and today’s listing on Alternext is a natural and exciting progression that allows investors there to take part in our growth, increases our visibility, and facilitates the company’s acquisition strategy as we plan to expand further in Europe this year.”

Proventec is the third international company to list on Alternext, NYSE Euronext’s specialist market for small and midsized companies, this year and follows the listing of two Chinese companies.

Alternext, launched in 2005, now includes 122 listed companies, including companies from Belgium , Canada , China , France , Italy , Luxembourg , the Netherlands , Spain and the UK . Together, they have raised €1.6 billion and their total market capitalization stands at €5.3 billion.

About Proventec
Proventec plc manages a complementary portfolio of integrated businesses that specialize in hygienic solutions and preventative coatings technologies. Headquartered in Liverpool , the Company operates in global markets, pioneering developments within the healthcare, food manufacturing, hospitality industries, transportation, construction and other sectors.
Proventec provides steam cleaning equipment for the UK ’s National Health Service (“NHS”).
The Company’s hygienic solutions division includes OspreyDeepClean, the world’s leading provider of chemical-free specialist dry saturated steal cleaning technology,which has been successfully proven in trials with University College London Hospitals to combat the spread of common bacteria and healthcare associated infections such as MRSA and Clostridium difficile.

About NYSE Euronext
NYSE Euronext (NYX) operates the world’s leading and most liquid exchange group, and seeks to provide the highest levels of quality, customer choice and innovation. Its family of exchanges, located in six countries, includes the New York Stock Exchange, the world's largest cash equities market; Euronext, the Eurozone's largest cash equities market; Liffe, Europe's leading derivatives exchange by value of trading; and NYSE Arca Options, one of the fastest growing U.S. options trading platforms. NYSE Euronext offers a diverse array of financial products and services for issuers, investors and financial institutions in cash equities, options and derivatives, ETFs, bonds, market data, and commercial technology solutions. NYSE Euronext's nearly 4,000 listed companies represent a combined $ 30.9/ € 19.8 trillion in total global market capitalization (as of April 30, 2008), more than four times that of any other exchange group. NYSE Euronext's equity exchanges transact an average daily trading value of approximately $161.9 / €106.9 billion (as of April 30, 2008), which represents more than one-third of the world's cash equities trading. NYSE Euronext is part of the S&P 500 index and the only exchange operator in the S&P 100 index. For more information, please visit www.nyx.com.