Company: BRK-A
Filing Date: 2025-06-18
Form Type: 11-K
Source: 0001193125-25-142665
Chunk: 2

Company: BERKSHIRE HATHAWAY INC
Filing Date: 2025-06-18
Form: 11-K
Chunk 2
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. In forming our opinion on the supplemental information, we evaluated whether the supplemental information, including its form and content, is presented in conformity with the
Department of Labor’s Rules and Regulations for Reporting and Disclosure under the Employee Retirement Income Security Act of 1974. In our opinion, the supplemental information is fairly stated, in all material respects, in relation to the
financial statements as a whole.

/s/ Maloney + Novotny LLC

We have served as the Plan’s auditor since 2004.

Cleveland, Ohio

June 17, 2025

1

THE LUBRIZOL CORPORATION EMPLOYEES’ PROFIT SHARING AND SAVINGS PLAN STATEMENTS OF NET ASSETS AVAILABLE FOR BENEFITS (dollars in thousands)

| ASSETS:                                 
 Investment in Plan Trust:               |     | December 31, 
 2024         |           |     | 2023 |           |
|:----------------------------------------|:----|:-------------|----------:|:----|:-----|----------:|
| Investment at fair value                |     | $            | 1,298,961 |     | $    | 1,165,128 |
| Investment at contract value            |     |              |   132,294 |     |      |   152,320 |
| Total investment held by the Plan Trust |     |              | 1,431,255 |     |      | 1,317,448 |
| Notes receivable from participants      |     |              |    19,924 |     |      |    19,043 |
| Contributions receivable                |     |              |    22,946 |     |      |    21,761 |
| NET ASSETS AVAILABLE FOR BENEFITS       |     | $            | 1,474,125 |     | $    | 1,358,252 |

The accompanying notes are an integral part of these financial statements. 2

THE LUBRIZOL CORPORATION EMPLOYEES’ PROFIT SHARING AND SAVINGS PLAN STATEMENTS OF CHANGES IN NET ASSETS AVAILABLE FOR BENEFITS (dollars in thousands)

| ADDITIONS:                                              
 Investment income:                                      |     | Years Ended December 31, 
 2024                     |           |     | 2023 |           |
|:--------------------------------------------------------|:----|:-------------------------|----------:|:----|:-----|----------:|
| Interest and dividends