TULSA, Okla., May 14, 2015 (GLOBE NEWSWIRE) -- Rose Rock Midstream, L.P. (NYSE:RRMS) will present at the National Association of Publicly Traded Partnerships 2015 MLP Investor Conference in Orlando, FL.

Rose Rock Midstream Chief Executive Officer Carlin Conner will present an overview of the company's business, commencing at approximately 5 p.m. Eastern Time on Wednesday, May 20, 2015.

A live webcast of the presentation along with materials used during the conference will be accessible in the investor relations section of our website at www.semgroupcorp.com on Wednesday, May 20, 2015.

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. Headquartered in Tulsa, OK, Rose Rock Midstream provides crude oil gathering, transportation, storage and marketing services with the majority of its assets strategically located in or connected to the Cushing, Oklahoma crude oil marketing hub.

CONTACT: Investor Relations:
         Alisa Perkins
         918-524-8081
         roserockir@rrmidstream.com
         
         Media:
         Kiley Roberson
         918-524-8594
         kroberson@rrmidstream.com

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