Company: BRK-A
Filing Date: 2025-06-23
Form Type: 11-K
Source: 0001193125-25-144506
Chunk: 2

Company: BERKSHIRE HATHAWAY INC
Filing Date: 2025-06-23
Form: 11-K
Chunk 2
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 been subjected to audit procedures performed in conjunction with the audit of the Plan’s financial statements. The supplemental information is the responsibility of the Plan’s management. Our audit procedures included determining whether the supplemental information reconciles to the financial statements or the underlying accounting and other records, as applicable, and performing procedures to test the completeness and accuracy of the information presented in the supplemental information. 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/ Whitley Penn LLP                             |
| We have served as the Plan’s auditor since 2006. |
| Fort Worth, Texas                                |
| June 20, 2025                                    |

2

BURLINGTON NORTHERN SANTA FE INVESTMENT AND RETIREMENT PLAN STATEMENTS OF NET ASSETS AVAILABLE FOR BENEFITS (In thousands)

| ASSETS                                                                            
 Investments, at fair value:                                                       |     |   |     | As of December 31, 
 2024               |           |     |   |     | 2023 |           |
|:----------------------------------------------------------------------------------|:----|:--|:----|:-------------------|----------:|:----|:--|:----|:-----|----------:|
| Investment in BNSF 401(k) Plans Master Trust (Note 4)                             |     | $ |     |                    | 2,277,686 |     | $ |     |      | 1,989,807 |
| Investments, at contract value:                                                   |     |   |     |                    |           |     |   |     |      |           |
| Investment in BNSF 401(k) Plans Master Trust relating to fully benefit-responsive 
 contracts (Note 4)                                                                |     |   |     |                    |   236,585 |     |   |     |      |   264,035 |
| Total investments                                                                 |     |   |     |                    | 2,514,271 |     |   |     |      | 2,253,842 |
| Receivables                                                                       |     |   |     |                    |           |     |   |     |      |           |
| Notes receivable from participants