Exhibit 23.3
Consent of Independent Registered Public Accounting Firm
The Board of Directors
SemGroup Corporation
Tulsa, Oklahoma
We hereby consent to the incorporation by reference in the Registration Statement on Form S-8 (No. 333-170968) of SemGroup Corporation of our report dated February 11, 2011, relating to the consolidated financial statements, of NGL Supply, Inc. for the year ended March 31, 2010, which appears in the NGL Energy Partners LP and Subsidiaries Form 10-K for the year ended March 31, 2012.
/s/ BDO USA, LLP
Dallas, Texas
June 21, 2012