News Releases

Paris, Brussels 22 July 2008 – SUEZ ENVIRONNEMENT, the global leader dedicated to water and waste businesses, today celebrated its listing and first day of trading on two of NYSE Euronext’s European markets: Paris and Brussels, following its spin-off as part of the GDF SUEZ merger. It will trade under the ticker symbol « SEV » for Paris and « SEVB » for Brussels.

A total of 489,699,060 shares of the company were admitted to trading on Euronext Paris and Euronext Brussels, at an opening price of €17 per share.

"The listing of SUEZ ENVIRONNEMENT marks the advent of the leading pure player in water and waste businesses" said Jean-Louis Chaussade, Chief Executive Officer of SUEZ ENVIRONNEMENT. "SUEZ ENVIRONNEMENT manages sustainable and profitable growth in promising environmental markets. Its activities are at the core of the major issues of the 21st century. SUEZ ENVIRONNEMENT will benefit from the visibility of the financial markets to accelerate its value creation".

"We are very pleased to welcome SUEZ ENVIRONNEMENT on to NYSE Euronext European’s markets and look forward to a beneficial and lasting partnership, providing the Company and its shareholders with the highest levels of service, liquidity and brand visibility associated with listing on NYSE Euronext markets." said Jean-François Théodore, Deputy CEO, NYSE Euronext. He went on to add: "This new listing strengthens our leadership position in the Cleantech sector."

Bruno Colmant, CEO of Euronext Brussels said: "We warmly welcome the listing on Euronext Brussels of SUEZ ENVIRONNEMENT which aims to be a reference in both water and waste services, two of the world’s fast growing sectors."

NYSE Euronext and the Cleantech Sector
Clean Technology, or Cleantech, refers to any products, services or process that optimize the use of natural resources while reducing environmental impact. Cleantech mainly covers four sectors: energy, transportation, water and materials. It comprises a wide range of sectors and industries (from solar power systems to sugar cane-based polyethylene).

NYSE Euronext is a leader in the Cleantech sector. NYSE lists numerous Cleantech companies such as: Suntech Power Holdings Co, Ltd.; Waste Management Inc. or Veolia Environnement, a dual listing with Euronext Paris, etc.

On NYSE Euronext European markets, there are 48 listed Cleantech companies (17 on Euronext, 8 on Alternext and 23 on the Free Market), representing an approximate total market capitalization of €39 billion. These include companies such as: EDF Energies Nouvelles, Séchilienne-Sidec, Theolia, Aurea, 4Energy Invest, Air Energy, Vergnet, H2O Innovation, etc.

Earlier this year EDP Renovaveis (renewable energy) listed on Euronext Lisbon with a market capitalization of €8 billion.

This listing is the 43rd to take place on NYSE Euronext’s European markets and the 15th on Euronext since the beginning of this year.

Media contacts:

NYSE Euronext
Media Relations :+33 1 49 27 11 33

SUEZ ENVIRONNEMENT
Media Relations :Hélène Enginger
Tel : +33 1 58 18 45 94
Mob : +33 6 79 83 65 55

Analysts Contact :
Eléonore de Larboust
+33 1.58.18.47.53

About SUEZ ENVIRONNEMENT
Natural resources are not infinite. Each day, SUEZ ENVIRONNEMENT (Paris: SEV, Brussels: SEVB) and its affiliates deal with the challenge to protect resources by providing innovative solutions to industries and to millions of people. SUEZ ENVIRONNEMENT supplies drinking water to 68 million people, provides wastewater treatment services for 44 million people and collects the waste produced by 46 million people. SUEZ ENVIRONNEMENT has 62,000 employees and, with its presence on a global scale, is the world's number one group exclusively dedicated to environmental services. In 2007, SUEZ ENVIRONNEMENT achieved sales turnover of 12 billion euros.

Important Information
This communication does not constitute an offer or the solicitation of an offer to purchase, sell, or exchange any securities of SUEZ Environnement Company securities, nor shall there be any offer, solicitation, purchase, sale or exchange of securities in any jurisdiction (including the U.S., Canada, Germany, Italy, Australia and Japan) in which it would be unlawful prior to registration or qualification under the laws of such jurisdiction. The distribution of this communication may, in some countries, be restricted by law or regulation. Accordingly, persons who come into possession of this document should inform themselves of and observe these restrictions. To the fullest extent permitted by applicable law, SUEZ Environnement Company disclaim any responsibility or liability for the violation of such restrictions by any person.

Forward-Looking statements
This communication contains forward-looking information and statements. These statements include financial projections, synergies, cost-savings and estimates and their underlying assumptions, statements regarding plans, objectives, savings, expectations and benefits from the transaction and expectations with respect to future operations, products and services, and statements regarding future performance. Although the management of SUEZ Environnement Company believes that the expectations reflected in such forward looking statements are reasonable, investors and holders of SUEZ Environnement Company ordinary shares are cautioned that forward-looking information and statements are not guarantees of future performances and are subject to various risks and uncertainties, many of which are difficult to predict and generally beyond the control of SUEZ Environnement Company, that could cause actual results, developments, synergies, savings and benefits from the transaction to differ materially from those expressed in, or implied or projected by, the forward-looking information and statements. These risks and uncertainties include those discussed or identified in the public filings made by SUEZ Environnement Company with the AMF, including those listed under "Facteurs de Risques" (Risk factors) in the prospectus prepared for the issue and admission for listing of SUEZ Environnement Company shares filed with the AMF on June 13, 2008 under n°: 08-127. Consequently, SUEZ Environnement Company does not assume any obligation nor does it give any warranty as to the realization of the forecasts that appear in this press release.

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 $28.5 / 18.4€ trillion (as of May 31, 2008), in total global market capitalization more than four times that of any other exchange group. NYSE Euronext's equity exchanges transact an average daily trading value of approximately 157.5 /103.4 billion (as of May 31, 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.

Cautionary Note Regarding Forward-Looking Statements This press release may contain forward-looking statements, including forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. Such forward-looking statements include, but are not limited to, statements concerning NYSE Euronext’s plans, objectives, expectations and intentions and other statements that are not historical or current facts. Forward-looking statements are based on NYSE Euronext’s current expectations and involve risks and uncertainties that could cause actual results to differ materially from those expressed or implied in such forward-looking statements. Factors that could cause NYSE Euronext’s results to differ materially from current expectations include, but are not limited to: NYSE Euronext’s ability to implement its strategic initiatives, economic, political and market conditions and fluctuations, government and industry regulation, interest rate risk and U.S. and global competition, and other factors detailed in NYSE Euronext’s reference document for 2007 ("document de référence") filed with the French Autorité des Marchés Financiers (Registered on May 15, 2008 under No. R. 08-054), 2007 Annual Report on Form 10-K and other periodic reports filed with the U.S. Securities and Exchange Commission or the French Autorité des Marchés Financiers. In addition, these statements are based on a number of assumptions that are subject to change. Accordingly, actual results may be materially higher or lower than those projected. The inclusion of such projections herein should not be regarded as a representation by NYSE Euronext that the projections will prove to be correct. This press release speaks only as of this date. NYSE Euronext disclaims any duty to update the information herein.

Contact: Camille Paulet
Phone: +33 (1) 49 27 11 33
Email: c.paulet@euronext.com