SEMGROUP CORPORATION

OFFER TO PURCHASE

Offer to Purchase for Cash
Any and All Outstanding
7.50% Senior Notes Due 2021
(CUSIP No. 81663A AB1)
(ISIN US81663AAB17)

To view copies of the Exchange Offer documents please click on the documents below

Offer to Purchase

Letter of Transmittal

Notice of Guaranteed Delivery

The Tender Agent for the Offer is:

D.F. King & Co., Inc.

By Regular, Registered or Certified Mail; Hand
or Overnight Delivery:

D.F. King & Co., Inc.
48 Wall Street, 22nd Floor
New York, New York 10005
Attention: Andrew Beck

By Facsimile Transmission
(for Eligible Institutions only):
(212) 709-3328

For Confirmation:

(212) 269-5552

Any questions or requests for assistance may be directed to the Dealer Manager at its address and telephone numbers set forth below.

The Tender Agent for the Offer is:

D.F. King & Co., Inc.

D.F. King & Co., Inc.
48 Wall Street, 22nd Floor
New York, New York 10005

Call Toll-Free: (877) 283-0319
Banks and Brokers Only: (212) 269-5550

Email: semg@dfking.com

The Dealer Manager for the Offer is:

Credit Suisse

Credit Suisse Securities (USA) LLC
Attn: Liability Management Group
Eleven Madison Avenue
New York, New York 10010
Collect: (212) 538-2147
U.S. Toll Free: (800) 820-1653