SemGroup Completes $250 Million Bond Offering

SemGroup, L.P. today announced the closing of its bond offering of
$250 million principal amount of 8.75 percent Senior Notes that mature
November 15, 2015. Banc of America Securities LLC was the sole lead
manager for the sale.

SemGroup, L.P., is a privately held midstream company providing
the energy industry means to move products from the wellhead to the
wholesale marketplace. The company has five main energy stream
business markets - crude oil, refined petroleum products, natural gas,
natural gas liquids and asphalt - and serves them through its various
subsidiaries in the United States, Canada, Mexico, the United Kingdom
and Switzerland. For additional information, visit www.semcams.com or
www.semgrouplp.com.