NAPERVILLE, Ill., Oct. 9, 2009 (GLOBE NEWSWIRE) -- Nalco (NYSE:NLC), providing essential expertise for water, energy and air, announced today that Eric Melin, Executive Vice President and President, Asia Pacific, will address investors and analysts at the ROTH China Conference being held Oct. 12-14 in Miami Beach, Florida.

Mr. Melin will be speaking at 11:00 a.m. ET on Wednesday, Oct. 14.

The presentation will be available via Webcast on the Investor Relations portion of the Company's Web site at www.nalco.com/investors. Participants are advised to log on to the event 5 to 10 minutes before the scheduled start time. A replay of the Webcast will be available for 90 days approximately one hour after the presentation concludes.

About Nalco

Nalco is the world's leading water treatment and process improvement company, delivering significant environmental, social and economic performance benefits to our customers. We help our customers reduce energy, water and other natural resource consumption, enhance air quality, minimize environmental releases and improve productivity and end products while boosting the bottom line. Together our comprehensive solutions contribute to the sustainable development of customer operations. Nalco is a member of the Dow Jones Sustainability World Index. More than 11,500 Nalco employees operate in 130 countries supported by a comprehensive network of manufacturing facilities, sales offices and research centers to serve a broad range of end markets. In 2008, Nalco achieved sales of more than $4.2 billion. For more information visit www.nalco.com.

The Nalco Company logo is available at http://www.globenewswire.com/newsroom/prs/?pkgid=1135

CONTACT:  Nalco
          Media Contact:
          Charlie Pajor
            630 305 1556
            cpajor@nalco.com
          Investor Contact:
          Mike Bushman
            630 305 1025
            mbushman@nalco.com