Company: OXY-WT
Filing Date: 2025-03-20
Form Type: DEF 14A
Source: 0000797468-25-000054
Chunk: 99

Company: OCCIDENTAL PETROLEUM CORP /DE/
Filing Date: 2025-03-20
Form: DEF 14A
Chunk 99
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 SoleVotingPower |     | SharedVotingPower |     | SoleDispositivePower |     | SharedDispositivePower |
| Warren E. Buffett and affiliated entities(1)3555 Farnam StreetOmaha, NE 68131 |     |                           348,800,279 |     | 34.07%                              |     |               — |     |       348,800,279 |     |                    — |     |            348,800,279 |
| Dodge & Cox(2)555 California Street, 40th FloorSan Francisco, CA 94104        |     |                            84,255,322 |     | 8.83%                               |     |      79,837,110 |     |                 — |     |           84,255,322 |     |                      — |
| The Vanguard Group(3)100 Vanguard Blvd.Malvern, PA 19355                      |     |                            56,822,431 |     | 6.05%                               |     |               — |     |           850,724 |     |           54,060,446 |     |              2,761,985 |

(1) According to the Form 4 filed with the SEC on February 11, 2025 , Warren E. Buffett and Berkshire Hathaway Inc. (Berkshire) acquired an additional 763,017 common shares through National Indemnity Company and, as of February 11, 2025, beneficially owned 264,941,431 common shares in the aggregate (not inclusive of the 83,858,848.81 shares underlying the Berkshire warrants). (2) Pursuant to a Schedule 13G/A filed with the SEC on February 13, 2025 , reporting beneficial ownership as of December 31, 2024 . According to the filing, Dodge & Cox has sole voting power with regard to 79,837,110 securities (66,283,423 common shares and 13,553,687 warrants), sole dispositive power with regard to 84,255,322 securities ( 70,002,502 common shares and 14,252,820 warrants) and aggregate beneficial ownership of 84,255,322 securities ( 70,002,502 common shares and 14,252,820 warrants). (3) Pursuant to a Schedule 13G/A filed with the SEC on February 13, 2024, reporting beneficial ownership as of