Arch Chemicals, Inc. Conference Call Announcement

Wednesday, November 4, 2009
11:00 a.m. Eastern Time

• Press Release
• Source: Arch Chemicals, Inc.
• On 1:04 pm EDT, Wednesday October 7, 2009

NORWALK, Conn.--(BUSINESS WIRE)--A conference call to review third quarter 2009 results will be held on Wednesday, November 4, 2009, at 11:00 a.m. (ET) by Michael E. Campbell, Chairman, President and CEO, and Steven C. Giuliano, Senior Vice President and CFO. Prepared remarks will take about 20 minutes and will be followed by a question and answer period.

Related Quotes

Symbol	Price	Change
ARJ	26.70	-1.03

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Financial and segment information will be released Wednesday morning, November 4, before the market opens. The release will be available on First Call, Business Wire and Dow Jones News Service.

If you wish to participate, please call (877) 397-0297 passcode 8564523, at least ten minutes before the call is scheduled to begin. From outside the U.S., please call (719) 325-4861 passcode 8564523. The live Webcast of the call can be accessed on the home page of the Company’s Web site: http://www.archchemicals.com; it will be Windows Media Player and RealPlayer compatible.

A replay of the call will be available from 1:00 p.m. on Wednesday, November 4, until 6:00 p.m. (ET) on Wednesday, November 11. The replay number is (888) 203-1112, passcode 8564523; from outside the U.S., please call (719) 457-0820, passcode 8564523.

Headquartered in Norwalk, Connecticut (USA), Arch Chemicals, Inc. (NYSE: ARJ - News) is a global Biocides company with annual sales of approximately $1.5 billion. Arch and its subsidiaries provide innovative, chemistry-based and related solutions to selectively destroy and control the growth of harmful microbes. The Company’s concentration is in water treatment, hair and skin care products, treated wood, preservation and protection applications such as for paints and building products, and health and hygiene applications. Arch Chemicals operates in two segments: Treatment Products and Performance Products. Together with its subsidiaries, Arch has approximately 3,000 employees and manufacturing and customer-support facilities in North and South America, Europe, Asia, Australia and Africa.

Arch Chemicals, Inc.
Investors:
Mark E. Faford, 203-229-2654
mefaford@archchemicals.com
or
Press:
Dale N. Walter, 203-229-3033
dnwalter@archchemicals.com