News Releases

Calumet Specialty Products Partners, L.P. Schedules First Quarter 2006 Earnings Release and Declares Quarterly Cash Distribution

Calumet Specialty Products Partners, L.P. (NASDAQ: CLMT) (the "Partnership") will report earnings for the quarter ended March 31, 2006 on Wednesday, May 10, 2006.

In addition, the Partnership announced today that the Board of Directors of the Partnership's general partner approved a prorated quarterly cash distribution of $0.30 per unit for the period from the closing of the Partnership's initial public offering on January 31, 2006 through March 31, 2006. The distribution will be paid on May 15, 2006 to unitholders of record as of the close of business on May 2, 2006. This prorated quarterly distribution equates to a $0.45 per unit distribution for a complete quarter, or $1.80 per unit on an annual basis.

A conference call is scheduled for 11:00 a.m. ET (10:00 a.m. CT) Thursday, May 11, 2006, to discuss the financial and operational results for the first quarter of 2006. Anyone interested in listening to the presentation may call 800-901-5218 and enter passcode 36502678. For international callers, the dial-in number is 617-786-4511, passcode 36502678.

The telephonic replay is available in the United States by calling 888-286-8010 and entering passcode 22877086. International callers can access the replay by calling 617-801-6888, passcode 22877086. The replay will be available beginning Thursday, May 11, 2006, at approximately 1:00 p.m. until Thursday, May 25, 2006.

A web cast of the earnings call will be available on the Partnership's website at .

Calumet Specialty Products Partners, L.P. (NASDAQ: CLMT) ("Calumet") is a leading independent producer of high-quality, specialty hydrocarbon products in North America. Calumet processes crude oil into customized lubricating oils, solvents, and waxes used in consumer, industrial, and automotive products. Calumet also produces fuel products including gasoline, diesel fuel and jet fuel. Calumet is based in Indianapolis, Indiana and has three plants located in northwest Louisiana.

SOURCE: Calumet Specialty Products Partners, L.P.

CONTACT: Jennifer Straumins, Investor Relations of Calumet Specialty
Products Partners, L.P., +1-317-328-5660

Web site: