Calumet Specialty Products Partners, L.P. Declares Quarterly Cash Distribution and Schedules Second Quarter 2010 Earnings Release

INDIANAPOLIS, July 9 /PRNewswire-FirstCall/ — Calumet Specialty Products
Partners, L.P. (Nasdaq: CLMT) (“Partnership”) announced today that the Board of
Directors of the Partnership’s general partner has approved a quarterly cash
distribution of $0.455 per unit ($1.82 per unit on an annualized basis) for the
quarter ended June 30, 2010 on all of its outstanding units. The distribution
will be payable on August 13, 2010 to holders of record of such units at the
close of business on August 3, 2010.

In addition, the Partnership will report earnings for the quarter ended June 30,
2010 on Wednesday, August 4, 2010 before the market opens.

A conference call is scheduled for 1:00 p.m. ET (12:00 p.m. CT) Wednesday,
August 4, 2010, to discuss the financial and operational results for the second
quarter of 2010. Anyone interested in listening to the presentation may call
866-510-0676 and enter passcode 44282717. For international callers, the dial-in
number is 617-597-5361 and the passcode is 44282717.

The telephonic replay is available in the United States by calling 888-286-8010
and entering passcode 92601824. International callers can access the replay by
calling 617-801-6888 and entering passcode 92601824. The replay will be
available beginning Wednesday, August 4, 2010, at approximately 4:00 p.m. until
Wednesday, August 18, 2010.

A webcast of the earnings call will be available on the Partnership’s website at

http://www.calumetspecialty.com.

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.

Forward Looking Statements

Some of the information in this release may contain forward-looking statements.
These statements can be identified by the use of forward-looking terminology
including “may,” “believe,” “expect,” “anticipate,” “estimate,” “continue,” or
other similar words. These statements discuss future expectations, contain
projections of results of operations or of financial condition, or state other
“forward-looking” information. These forward-looking statements involve risks
and uncertainties that are difficult to predict and may be beyond our control.
These risks and uncertainties include the overall demand for specialty
hydrocarbon products, fuels and other refined products; our ability to produce
specialty products and fuels that meet our customers’ unique and precise
specifications; the impact of fluctuations and rapid increases and decreases in
crude oil and crack spread prices, including the impact on our liquidity; the
results of the Partnership’s hedging and risk management activities; the
availability of, and the Partnership’s ability to consummate, acquisition or
combination opportunities; labor relations; the ability of the Partnership to
comply with the financial covenants contained in its credit facilities; the
Partnership’s access to capital to fund acquisitions and its ability to obtain
debt or equity financing on satisfactory terms; successful integration and
future performance of acquired assets or businesses; environmental liabilities
or events that are not covered by an indemnity; insurance or existing reserves;
maintenance of the Partnership’s credit ratings and ability to receive open
credit from its suppliers; demand for various grades of crude oil and resulting
changes in pricing conditions; fluctuations in refinery capacity; the effects of
competition; continued creditworthiness of, and performance by, counterparties;
the impact of current and future laws, rulings and governmental regulations;
shortages or cost increases of power supplies, natural gas, materials or labor;
hurricane or other weather interference with business operations; fluctuations
in the debt and equity markets; and general economic, market or business
conditions. When considering these forward-looking statements, you should keep
in mind the risk factors and other cautionary statements included in this
release as well as the Partnership’s most recent Form 10-K and Form 10-Q filed
with the Securities and Exchange Commission, which could cause the Partnership’s
actual results to differ materially from those contained in any forward-looking
statement.