SEC Form 4
FORM 4 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
1. Name and Address of Reporting Person*
SemGroup Corp

(Last) (First) (Middle)
6120 S. YALE AVE., STE. 700

(Street)
TULSA OK 74136-4216

(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
Rose Rock Midstream, L.P. [ RRMS ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
X Director X 10% Owner
Officer (give title below) Other (specify below)
3. Date of Earliest Transaction (Month/Day/Year)
12/16/2013
4. If Amendment, Date of Original Filed (Month/Day/Year)
6. Individual or Joint/Group Filing (Check Applicable Line)
Form filed by One Reporting Person
X Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V Amount (A) or (D) Price
Common Units representing limited partner interests 12/16/2013 A 1,500,000 A (2) 4,389,709 I See footnotes(1)(2)
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year) 7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Class A Units representing limited partner interests $0 12/16/2013 A 1,250,000 (3) (3) Common Units representing limited partner interests 1,250,000 (2) 2,500,000 I See footnotes(1)(2)
1. Name and Address of Reporting Person*
SemGroup Corp

(Last) (First) (Middle)
6120 S. YALE AVE., STE. 700

(Street)
TULSA OK 74136-4216

(City) (State) (Zip)

Relationship of Reporting Person(s) to Issuer
X Director X 10% Owner
Officer (give title below) Other (specify below)
1. Name and Address of Reporting Person*
Rose Rock Midstream Holdings, LLC

(Last) (First) (Middle)
6120 S. YALE AVE., STE. 700

(Street)
TULSA OK 74136-4216

(City) (State) (Zip)

Relationship of Reporting Person(s) to Issuer
X Director X 10% Owner
Officer (give title below) Other (specify below)
1. Name and Address of Reporting Person*
Rose Rock Midstream Corp

(Last) (First) (Middle)
6120 S. YALE AVE., STE. 700

(Street)
TULSA OK 74136-4216

(City) (State) (Zip)

Relationship of Reporting Person(s) to Issuer
X Director 10% Owner
Officer (give title below) Other (specify below)
Explanation of Responses:
1. This Form 4 is being filed jointly by SemGroup Corporation ("SemGroup"), Rose Rock Midstream Holdings, LLC ("Holdings") and Rose Rock Midstream Corporation ("RRMC"). SemGroup directly owns 100% of the outstanding membership interests of Holdings. Holdings directly owns 100% of the issued and outstanding shares of common stock of RRMC. SemGroup may therefore be deemed to beneficially own securities of the Issuer owned directly by Holdings and RRMC and Holdings may therefore be deemed to beneficially own securities of the Issuer owned directly by RRMC.
2. In connection with the closing of the transactions contemplated by that certain Contribution Agreement dated as of December 12, 2013, by and among SemGroup, Holdings, Rose Rock Midstream GP, LLC, the Issuer and Rose Rock Midstream Operating, LLC, the Issuer issued to Holdings, among other consideration, 1,500,000 Common Units representing limited partner interests in the Issuer and 1,250,000 Class A Units representing limited partner interests in the Issuer, in exchange for a 33.33% membership interest in SemCrude Pipeline, L.L.C., which owns a 51% membership interest in White Cliffs Pipeline, L.L.C.
3. The Class A Units have no expiration date and will convert into Common Units representing limited partner interests in the Issuer on a one-for-one basis on the first day of the month immediately following the first month for which average daily throughput volumes on the White Cliffs Pipeline for such month are 125 thousand barrels per day or greater.
Candice L. Cheeseman, Secretary and General Counsel of SemGroup Corporation 12/18/2013
Candice L. Cheeseman, Secretary and General Counsel of Rose Rock Midstream Holdings, LLC 12/18/2013
Candice L. Cheeseman, Secretary and General Counsel of Rose Rock Midstream Corporation 12/18/2013
** Signature of Reporting Person Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
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