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Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1489136	Semgroup Corp	SEMG	()	4

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1384631	Morrison Sarah Barpoulis	6120 South Yale Ave. Suite 1500 Tulsa OK 74136		Yes	No	No	No

Reported Non-Derivative Transactions

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock	Acquisiton	2017-06-01	3,806	$0.00	13,130	No	4	A	Direct
Common Stock	Disposition	2017-06-02	1,470	$31.45	11,433	No	4	S	Indirect	Held in Trust

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	A	Direct
No	4	S	Indirect	Held in Trust

Footnotes

The transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the reporting person. These shares were sold to cover the individuals tax obligations arising from the vesting of shares of restricted stock granted under the SemGroup Corporation Equity Incentive Plan.
Shares held of record by the Sarah M. Barpoulis Living Trust, dated 9/17/2003 of which Ms. Barpoulis and her husband are co-trustees. Each trustee has independent control and voting power over the Trust.