Rose Rock Midstream, L.P. Increases Distributions on Limited Partner Units

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TULSA, Okla., Oct. 24, 2012 (GLOBE NEWSWIRE) -- Rose Rock Midstream, L.P. (NYSE:RRMS) announced today that the Board of Directors of its general partner has declared a cash distribution for the third quarter of 2012 of $0.3925 per unit, or $1.57 per unit on an annualized basis. This is a 2.6% increase over the prior quarter and marks the third increase in the distribution to RRMS limited partner unitholders. For the prior quarter, the cash distribution was $.3825 per limited partnership unit, or $1.53 on an annualized basis. The distribution will be paid on November 14, 2012 to all unitholders of record on November 5, 2012.

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.

This release is a qualified notice under Treasury Regulation Section 1.1446-4(b). Brokers and nominees should treat 100% of Rose Rock Midstream, L.P.'s distributions to foreign investors as being attributable to income that is effectively connected with a United States trade or business. Therefore, distributions to foreign investors are subject to federal income tax withholding at the highest applicable effective tax rate.

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CONTACT: Investor Relations: Alisa Perkins 918-524-7711 Media: Liz Barclay 918-524-8158

Source:Rose Rock Midstream