Calumet Specialty Products Partners, L.P. Announces Management Changes

INDIANAPOLIS, Jan. 10, 2011 /PRNewswire/ — Calumet Specialty Products Partners,
L.P. (Nasdaq: CLMT) (“Partnership”) today announced changes in the management of
Calumet GP, LLC, its general partner.

Effective January 1, 2011, F. William Grube, the general partner’s current
President, Chief Executive Officer and Director, has been appointed as Vice
Chairman of the general partner’s Board of Directors and has resigned from his
position as the general partner’s President. Grube will also continue in his
position as the general partner’s Chief Executive Officer.

Effective January 1, 2011, Jennifer G. Straumins, the general partner’s current
Executive Vice President and Chief Operating Officer has been appointed as the
general partner’s President. Straumins will also continue in her position as the
general partner’s Chief Operating Officer.

“I plan on remaining an integral part of the Calumet management team. We have
positioned Calumet well for continued growth and I am excited to focus on our
strategic growth plans,” said Grube.

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 five plants located in
northwest Louisiana, western Pennsylvania, and southern Texas, and a blending
facility located in Burnham, Illinois.

SOURCE Calumet Specialty Products Partners, L.P.