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

SemGroup® Corporation (NYSE:SEMG) and Rose Rock Midstream®, L.P. (NYSE:RRMS) Chief Executive Officer and President Carlin Conner will conduct one-on-one meetings with members of the investment community August 17-18, 2016 during Citi’s 2016 MLP/Midstream Infrastructure Conference in Las Vegas, Nev.

The presentation materials used during the conference will be accessible on the SemGroup website at www.semgroupcorp.com on the date of the event.

About SemGroupBased in Tulsa, Okla., 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.

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, Okla., 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, Okla., crude oil marketing hub.

Contacts:
Investor Relations: 
Alisa Perkins
918-524-8081
investor.relations@semgroupcorp.com 

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