Rose Rock Midstream Crude, L.P. Two Warren Place 6120 South Yale Avenue, Suite 700 Tulsa, Oklahoma 74136 Phone: 918.524.8100, Fax: 918.524.8290	Choose Report Date: January, 2001February, 2001March, 2001April, 2001May, 2001June, 2001July, 2001August, 2001September, 2001October, 2001November, 2001December, 2001January, 2002February, 2002March, 2002April, 2002May, 2002June, 2002July, 2002August, 2002September, 2002October, 2002November, 2002December, 2002January, 2003February, 2003March, 2003April, 2003May, 2003June, 2003July, 2003August, 2003September, 2003October, 2003November, 2003December, 2003January, 2004February, 2004March, 2004April, 2004May, 2004June, 2004July, 2004August, 2004September, 2004October, 2004November, 2004December, 2004January, 2005February, 2005March, 2005April, 2005May, 2005June, 2005July, 2005August, 2005September, 2005October, 2005November, 2005December, 2005January, 2006February, 2006March, 2006April, 2006May, 2006June, 2006July, 2006August, 2006September, 2006October, 2006November, 2006December, 2006January, 2007February, 2007March, 2007April, 2007May, 2007June, 2007July, 2007August, 2007September, 2007October, 2007November, 2007December, 2007January, 2008February, 2008March, 2008April, 2008May, 2008June, 2008July, 2008August, 2008September, 2008October, 2008November, 2008December, 2008January, 2009February, 2009March, 2009April, 2009May, 2009June, 2009July, 2009August, 2009September, 2009October, 2009November, 2009December, 2009January, 2010February, 2010March, 2010April, 2010May, 2010June, 2010July, 2010August, 2010September, 2010October, 2010November, 2010December, 2010January, 2011February, 2011March, 2011April, 2011May, 2011June, 2011July, 2011August, 2011September, 2011October, 2011November, 2011December, 2011January, 2012February, 2012March, 2012April, 2012May, 2012June, 2012July, 2012August, 2012September, 2012October, 2012November, 2012December, 2012January, 2013February, 2013March, 2013April, 2013May, 2013
Rose Rock Midstream Crude, L.P.
May-2013
Effective 7:00 a.m., on the dates shown below, subject to change without notice and subject to the applicable rules and regulations of all governmental authorities having jurisdiction and to the provisions of its Division Order, Rose Rock Midstream Crude, L.P. will pay the following prices per barrel of 42 United States gallons for marketable crude oil purchased by it and delivered by Rose Rock Midstream Crude, L.P. account into Rose Rock Midstream Crude, L.P. designated gathering facilities. Additional handling and gathering charges may be deducted where applicable.

Bulletin # Effective Area 12-344 5/1/2013 Wed 12-345 5/2/2013 Thu 12-346 5/3/2013 Fri 5/4/2013 Sat 5/5/2013 Sun 12-347 5/6/2013 Mon 12-348 5/7/2013 Tue

Oklahoma Sweet+ 84.24 87.20 88.82 88.82 88.82 89.37 88.83 Central Oklahoma Sweet+ 85.24 88.20 89.82 89.82 89.82 90.37 89.83 Panhandle Northwest OK 83.79 86.75 88.37 88.37 88.37 88.92 88.38 Oklahoma Sour 73.14 76.10 77.72 77.72 77.72 78.27 77.73 West Texas Intermediate 85.19 88.15 89.77 89.77 89.77 90.32 89.78 Kansas Sweet 78.01 80.97 82.59 82.59 82.59 83.14 82.60 Eastern Kansas 74.61 77.57 79.19 79.19 79.19 79.74 79.20 Northwest Kansas 77.86 80.82 82.44 82.44 82.44 82.99 82.45 Kansas Common 77.86 80.82 82.44 82.44 82.44 82.99 82.45 Texas Panhandle 83.29 86.25 87.87 87.87 87.87 88.42 87.88 Eastern Colorado 80.06 83.02 84.64 84.64 84.64 85.19 84.65 North Dakota Sweet 68.59 71.55 73.17 73.17 73.17 73.72 73.18 North Dakota Sour 62.59 65.55 67.17 67.17 67.17 67.72 67.18 Kansas Sour 73.11 76.07 77.69 77.69 77.69 78.24 77.70 Nebraska Intermediate 77.01 79.97 81.59 81.59 81.59 82.14 81.60 Southwest Kansas 77.61 80.57 82.19 82.19 82.19 82.74 82.20

Bulletin # Effective Area 12-349 5/8/2013 Wed 12-350 5/9/2013 Thu 12-351 5/10/2013 Fri 5/11/2013 Sat 5/12/2013 Sun 12-352 5/13/2013 Mon 12-353 5/14/2013 Tue

Oklahoma Sweet+ 89.83 89.60 89.25 89.25 89.25 88.38 87.42 Central Oklahoma Sweet+ 90.83 90.60 90.25 90.25 90.25 89.38 88.42 Panhandle Northwest OK 89.38 89.15 88.80 88.80 88.80 87.93 86.97 Oklahoma Sour 78.73 78.50 78.15 78.15 78.15 77.28 76.32 West Texas Intermediate 90.78 90.55 90.20 90.20 90.20 89.33 88.37 Kansas Sweet 83.60 83.37 83.02 83.02 83.02 82.15 81.19 Eastern Kansas 80.20 79.97 79.62 79.62 79.62 78.75 77.79 Northwest Kansas 83.45 83.22 82.87 82.87 82.87 82.00 81.04 Kansas Common 83.45 83.22 82.87 82.87 82.87 82.00 81.04 Texas Panhandle 88.88 88.65 88.30 88.30 88.30 87.43 86.47 Eastern Colorado 85.65 85.42 85.07 85.07 85.07 84.20 83.24 North Dakota Sweet 74.18 73.95 73.60 73.60 73.60 72.73 71.77 North Dakota Sour 68.18 67.95 67.60 67.60 67.60 66.73 65.77 Kansas Sour 78.70 78.47 78.12 78.12 78.12 77.25 76.29 Nebraska Intermediate 82.60 82.37 82.02 82.02 82.02 81.15 80.19 Southwest Kansas 83.20 82.97 82.62 82.62 82.62 81.75 80.79

Bulletin # Effective Area 12-354 5/15/2013 Wed 12-355 5/16/2013 Thu 12-356 5/17/2013 Fri 5/18/2013 Sat 5/19/2013 Sun 12-357 5/20/2013 Mon 12-358 5/21/2013 Tue

Oklahoma Sweet+ 87.51 88.37 89.23 89.23 89.23 89.92 89.37 Central Oklahoma Sweet+ 88.51 89.37 90.23 90.23 90.23 90.92 90.37 Panhandle Northwest OK 87.06 87.92 88.78 88.78 88.78 89.47 88.92 Oklahoma Sour 76.41 77.27 78.13 78.13 78.13 78.82 78.27 West Texas Intermediate 88.46 89.32 90.18 90.18 90.18 90.87 90.32 Kansas Sweet 81.28 82.14 83.00 83.00 83.00 83.69 83.14 Eastern Kansas 77.88 78.74 79.60 79.60 79.60 80.29 79.74 Northwest Kansas 81.13 81.99 82.85 82.85 82.85 83.54 82.99 Kansas Common 81.13 81.99 82.85 82.85 82.85 83.54 82.99 Texas Panhandle 86.56 87.42 88.28 88.28 88.28 88.97 88.42 Eastern Colorado 83.33 84.19 85.05 85.05 85.05 85.74 85.19 North Dakota Sweet 71.86 72.72 73.58 73.58 73.58 74.27 73.72 North Dakota Sour 65.86 66.72 67.58 67.58 67.58 68.27 67.72 Kansas Sour 76.38 77.24 78.10 78.10 78.10 78.79 78.24 Nebraska Intermediate 80.28 81.14 82.00 82.00 82.00 82.69 82.14 Southwest Kansas 80.88 81.74 82.60 82.60 82.60 83.29 82.74

Bulletin # Effective Area

Oklahoma Sweet+               Central Oklahoma Sweet+               Panhandle Northwest OK               Oklahoma Sour               West Texas Intermediate               Kansas Sweet               Eastern Kansas               Northwest Kansas               Kansas Common               Texas Panhandle               Eastern Colorado               North Dakota Sweet               North Dakota Sour               Kansas Sour               Nebraska Intermediate               Southwest Kansas

Bulletin # Effective Area AVG EDQ Gravity Adjust

Oklahoma Sweet+           88.6638 A & C Central Oklahoma Sweet+           89.6638 A & C Panhandle Northwest OK           88.2138 A & G Oklahoma Sour           77.5638 B West Texas Intermediate           89.6138 A & C Kansas Sweet           82.4338 E Eastern Kansas           79.0338 E Northwest Kansas           82.2838 E Kansas Common           82.2838 E Texas Panhandle           87.7138 A & G Eastern Colorado           84.4838 F North Dakota Sweet           73.0138 F North Dakota Sour           67.0138 H Kansas Sour           77.5338 E Nebraska Intermediate           81.4338 E Southwest Kansas           82.0338 E

+Areas Described:
+ Oklahoma Sweet	(Excludes Panhandle-Northwest and Central Oklahoma)
+ Central Oklahoma Sweet	(Caddo, Canadian, Carter, Cleveland, Comanche, Creek, Garvin, Grady, Hughes, Lincoln, Logan, McClain, Murray, Muskogee, Noble, Okfuskee, Oklahoma, Okmulgee, Osage, Pawnee, Payne, Pontotoc, Pottawatomie, Seminole, Stephens, Tulsa and Wagoner Counties)

GRAVITY ADJUSTMENT
A.	Deduct $0.005 per 1/10 (one-tenth) degree API below 30.0 degrees to 25.0 degrees then $0.010 per 1/10 (one-tenth) degree below 25.0 degrees API
B.	Deduct $.10 per whole degree API for each whole degree below 40.9 degrees to 30.0 degrees API. Below 30.0 degrees API deduct $0.025 per 1/10 (one-tenth) degree API.
C.	Deduct $0.01 for each 1/10 (one-tenth) degree in excess of 60.0 degrees API.
D.	Deduct $.01 per 1/10 (one-tenth) degree API below 35.0 degrees to 30.0 degrees then deduct $0.02 per 1/10 (one-tenth) degree below 30.0 degrees API.
E.	Deduct $0.015 per 1/10 (one-tenth) degree API below 40.0 degrees API.
F.	Deduct $.02 per whole degree API for each degree below 40.9 degrees to 19.0 degrees API. Deduct $0.015 per each 1/10 (one-tenth) degree API above 44.9 degrees API.
G.	Deduct $0.01 per each 1/10 (one-tenth) degree in excess of 45.0 degrees API.
H.	Deduct $.10 per whole degree API for each whole degree below 40.9 degrees to 30.0 degrees API. Below 30.0 degrees API deduct $0.15 per 1/10 (one-tenth) degree API.
All prices are based upon the use of 100% tank tables with customary adjustments for temperature and full deductions for basic sediment and water.
	Contact Rose Rock Midstream Crude, L.P. Attn: Paul Crow, 11501 South I-44 Service Road, Oklahoma City, OK 73173 (405) 692-5101 for Crude Oil Price Bulletin address changes.

To check the current bulletin number and prices call:	1-800-SELL-OIL
	1-800-735-5645

SemGroup Marketing Personnel
Lease Acquisition Representative	Area	Office	Cell
Roger Owen	OK	405.692.5102	405.550.5173
Paul Crow	OK	405.692.5101	405.620.0863
Pete Schwiering	OK/KS/TX/ND	405.692.5104	405.760.1134