SemGroup Corporation and Rose Rock Midstream to Participate in the Tudor Pickering Holt & Co. Hotter 'N Hell Energy Conference

Rose Rock Midstream, L.P.
SemGroup Corporation logo

TULSA, Okla., June 13, 2013 (GLOBE NEWSWIRE) -- SemGroup® Corporation (NYSE:SEMG) and Rose Rock Midstream, L.P. (NYSE:RRMS) will participate in the Tudor Pickering Holt & Co. Hotter 'N Hell Energy Conference in Houston, Texas on Wednesday, June 19, 2013.



SemGroup and Rose Rock Midstream Chief Executive Officer Norm Szydlowski and Chief Financial Officer Bob Fitzgerald will conduct one-on-one meetings with members of the investment community.

The presentation materials used during the conference will be accessible on the SemGroup website at www.semgroupcorp.com and the Rose Rock Midstream website at www.rrmidstream.com.

About SemGroup

Based in Tulsa, Oklahoma, SemGroup® Corporation is a publicly traded midstream service company providing the energy industry the means to move products from the wellhead to the wholesale marketplace. SemGroup provides diversified services for end users and consumers of crude oil, natural gas, natural gas liquids, refined products and asphalt. Services include purchasing, selling, processing, transporting, terminalling and storing energy.

SemGroup®, is a registered trademark of SemGroup Corporation.

About Rose Rock Midstream

Rose Rock Midstream, L.P. (NYSE:RRMS) is a growth-oriented Delaware limited partnership formed by SemGroup® Corporation (NYSE:SEMG) to own, operate, develop and acquire a diversified portfolio of midstream energy assets. Rose Rock Midstream provides crude oil gathering, transportation, storage and marketing services. Headquartered in Tulsa, OK, Rose Rock Midstream has operations in six states with the majority of its assets strategically located in or connected to the Cushing, Oklahoma crude oil marketing hub.

CONTACT: Investor Relations: Mary Catherine Ward 918-524-8081 investor.relations@semgroupcorp.com roserockir@rrmidstream.com Media: Kiley Roberson 918-524-8594 kroberson@semgroupcorp.com kroberson@rrmidstream.com

Source:SemGroup Corporation;Rose Rock Midstream, L.P.