Exhibit 23.1
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We consent to the incorporation by reference in Registration Statement No. 333-225027 on Form S-8 of our report dated June 15, 2021, appearing in this Annual Report on Form 11-K of the LiquidPower Specialty Products Inc. 401(k) and Profit Sharing Plan for the year ended December 31, 2020.
\s\ Pannell Kerr Forster of Texas, P.C.
Houston, Texas
June 15, 2021
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