NLC Nalco Holding Company Common Stock

NAPERVILLE, Ill., Oct. 1 /PRNewswire-FirstCall/ -- Nalco Holding Company (NYSE:NLC) today announced it will release its third-quarter 2008 sales and earnings results after market close on Oct. 28. At 10 a.m. ET on Oct. 29, the Company will hold a conference call and live audio-only Webcast led by Nalco Chairman, President and Chief Executive Officer J. Erik Fyrwald and other senior management team members to discuss these results. Date: 10/29/2008 Start Time: 10 a.m. ET / 9 a.m. CT / 8 a.m. MT / 7 a.m. PT Length: 60 minutes Dial-in Telephone Number: 1-719-325-4750 Confirmation Code: 4165126 To help ensure the conference call begins in a timely manner, please dial in 5 to 10 minutes prior to the scheduled start time on Oct. 29. The audio-only Webcast will be available through the Investor Relations section of Nalco's Web site, http://www.nalco.com/. Following the live event, an archived version of the Webcast will also be available on the Nalco Web site under Investor Relations, Event Calendar. 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 2007, Nalco achieved sales of more than $3.9 billion. For more information visit http://www.nalco.com/. Media Contact: Charlie Pajor 630 305 1556 Investor Contact: Mike Bushman 630 305 1025 DATASOURCE: Nalco Holding Company CONTACT: Media, Charlie Pajor, +1-630-305-1556, , Investors, Mike Bushman, +1-630-305-1025, Web site: http://www.nalco.com/

Copyright