TULSA, Okla., May 15, 2013 (GLOBE NEWSWIRE) -- Rose Rock Midstream, L.P. (NYSE:RRMS) will present at the National Association of Publicly Traded Partnerships 2013 MLP Investor Conference in Stamford, CT. Rose Rock Midstream Chief Executive Officer Norm Szydlowski will present an overview of the company's business, commencing at approximately 11:45 a.m. Eastern Time on Thursday, May 23, 2013. A live webcast of the presentation along with materials used during the conference will be accessible on the Rose Rock Midstream website at www.rrmidstream.com on Thursday, May 23, 2013. 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.
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