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

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

TULSA, Okla., Jan. 23, 2014 (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 fourth quarter of 2013 of $0.465 per
unit, or $1.86 per unit on an annualized basis. This distribution represents
an increase of approximately 3.3% over the prior quarter's distribution of
$0.45 per unit, and an approximately 15.2% increase over the fourth quarter of
2012 quarterly distribution of $0.4025 per unit.

The distribution will be paid on February 14, 2014 to all unitholders of
record on February 4, 2014.

Rose Rock also announced today that its 2013 tax package, which includes the
Schedule K-1 (Form 1065), will be available online on March 4, 2014, and may
be accessed via Rose Rock's website at under "Investor
Relations/ K-1 Information." Prior to March 4, 2014, unitholders can go to the
link above and register to receive an email notifying them when their tax
package is available for download. In addition to registering for an email
notification, unitholders can also elect to receive their tax package
electronically, in which case a paper copy will not be mailed by Rose Rock.

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.

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.

CONTACT: Investor Relations:
         Alisa Perkins
         Kiley Roberson

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