Compass Minerals Announces Conference Call to Discuss Second-Quarter Financial Results

July 15, 2009

OVERLAND PARK, Kan.--(BUSINESS WIRE)--Jul. 15, 2009-- Compass Minerals (NYSE: CMP) will release its second quarter 2009 financial results after the close of the markets on Tuesday, July 28, 2009, and will discuss its results on a conference call on Wednesday, July 29, at 9:00 a.m. ET.

To access Compass Minerals’ conference call, interested parties should visit the company’s website at www.CompassMinerals.com or dial 877-228-7138. Callers must provide the conference ID number 20010525. Outside of the U.S. and Canada, callers may dial 706-643-0377. Replays of the call will be available on the company’s website for two weeks. The replay can also be accessed by phone for seven days at 800-642-1687, conference ID 20010525. Outside of the U.S. and Canada, callers may dial 706-645-9291.

About Compass Minerals

Based in the Kansas City metropolitan area, Compass Minerals is a leading producer of minerals, including salt, sulfate of potash specialty fertilizer and magnesium chloride. The company provides highway deicing salt to customers in North America and the United Kingdom and specialty fertilizer to growers worldwide. Compass Minerals also produces consumer deicing and water conditioning products, ingredients used in consumer and commercial foods, and other mineral-based products for consumer, agricultural and industrial applications. Compass Minerals also provides records management services to businesses throughout the U.K.

Source: Compass Minerals

Compass Minerals
Rodney L. Underdown, 913-344-9395
Chief Financial Officer
or
Peggy Landon, 913-344-9315
Director of Investor Relations and Corporate Communications