EXHIBIT 23
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
The Lubrizol Corporation Employee Benefits Administrative Committee:
We consent to the incorporation by reference in Registration Statement No. 333-203130 of Berkshire Hathaway Inc. on Form S-8 of our report dated June 9, 2021, appearing in this Annual Report on Form 11-K of The Lubrizol Corporation Age-Weighted Defined Contribution Plan for the year ended December 31, 2020.
/s/ Maloney + Novotny LLC
Cleveland, Ohio
June 9, 2021