Consent of Independent Registered Public Accounting Firm
The Board of Directors
NuStar GP, LLC:
We consent to the use of our reports with respect to the consolidated financial statements and the effectiveness of internal control over financial reporting
incorporated by reference herein and to the reference to our firm under the heading “Experts” in the prospectus.
/s/ KPMG LLP
San Antonio, Texas
July 2, 2019