Blueknight Energy Partners, L.P. (“BKEP” or the “Partnership”) (NASDAQ: BKEP) (NASDAQ: BKEPP), a midstream energy company focused on providing integrated services for companies engaged in the production, distribution and marketing of crude oil, asphalt and other petroleum products, plans to release fourth quarter and full year 2011 results after market close on Tuesday, March 13, 2012. A conference call to discuss fourth quarter and full year 2011 financial results will be held on Wednesday, March 14, 2012, at 1:00 p.m. Central Time (2:00 p.m. Eastern Time). The conference call can be accessed through the Investors section of the Partnership’s Web site at http://investor.bkep.com/presentations or by telephone at 1-877-317-6789. International locations may dial-in by calling 1-412-317-6789. Participants should dial in five to ten minutes prior to the scheduled start time. An audio replay will be available on the Web site for at least 30 days, and a recording will be available by phone for 30 days. To hear the replay, call 1-877-344-7529 in the U.S. or call 1-412-317-0088 from international locations. The pass code for both is 10011351. About Blueknight Energy Partners, L.P. BKEP owns and operates a diversified portfolio of complementary midstream energy assets consisting of approximately 7.8 million barrels of crude oil storage located in Oklahoma and Texas, approximately 6.6 million barrels of which are located at the Cushing Oklahoma Interchange, approximately 1,285 miles of crude oil pipeline located primarily in Oklahoma and Texas, approximately 280 crude oil transportation and oilfield services vehicles deployed in Kansas, Colorado, New Mexico, Oklahoma and Texas and approximately 7.2 million barrels of combined asphalt product and residual fuel oil storage located at 44 terminals in 22 states. BKEP provides integrated services for companies engaged in the production, distribution and marketing of crude oil, asphalt and other petroleum products. BKEP is based in Oklahoma City, Oklahoma and Tulsa, Oklahoma. For more information, visit the Partnership’s web site at www.bkep.com.