RRMS Rose Rock Midstream, L.P. Common Units Representing Limited Partner Interests

SemGroup Corporation (NYSE:SEMG) and Rose Rock Midstream, L.P. (NYSE:RRMS) announce that management will present at the Master Limited Partnership Association 2016 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, June 1, 2016. During the conference, management will also conduct one-on-one meetings with members of the investment community.

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, June 1, 2016. 

About SemGroup CorporationBased in Tulsa, OK, SemGroup® Corporation (NYSE:SEMG) 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.

About Rose Rock MidstreamRose 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.

Contacts:
Investor Relations:
Alisa Perkins 
918-524-8081
roserockir@rrmidstream.com  

Media:
Kiley Roberson
918-524-8594
kroberson@rrmidstream.com