Company: OXY-WT
Filing Date: 2025-06-27
Form Type: 11-K
Source: 0000797468-25-000098
Chunk: 17

Company: OCCIDENTAL PETROLEUM CORP /DE/
Filing Date: 2025-06-27
Form: 11-K
Chunk 17
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 |     |                         |     465 |     |   |     178 |
| Amounts allocated to withdrawing participants at December 31, 2023 and 2022 |     |                         |    -178 |     |   |    -234 |
| Benefits paid to participants per the Form 5500                             |     | $                       | 263,175 |     | $ | 215,621 |

Amounts allocated to withdrawing participants are recorded on the Form 5500 for benefit payments that have been processed and approved for payment prior to December 31 st , but are not yet paid as of that date.

<div align='center'>20</div>

| OCCIDENTAL PETROLEUM CORPORATION |     | Schedule 1 |

### SAVINGS PLAN
<div align='center'>EIN #95-4035997, Plan #001

Schedule H, Line 4i - Schedule of Assets (Held at End of Year)

As of December 31, 2024

(Dollar amounts in thousands)</div>

| (a)     |     | -b                                                 |     | -c                                                                                                                                                                         |     | -d       |         |     | -e      |           |
|         |     |                                                    |     | Description of investment,                                                                                                                                                 |     |          |         |     |         |           |
|         |     |                                                    |     | including maturity date, rate of                                                                                                                                           |     |          |         |     |         |           |
| Related |     | Identity of issue, borrower,                       |     | interest, collateral, par, maturity                                                                                                                                        |     |          |         |     | Current |           |
| party   |     | lessor, or similar party                           |     | value, or duration                                                                                                                                                         |     | Cost (1) |         |     | value   |           |
|         |     | Short-Term Investment Fund:                        |     |                                                                                                                                                                            |     |          |         |     |         |           |
| *       |     | BNY Short-Term Investment Fund (2)                 |     | A collective trust investing in short-term securities, 12,014,065 units                                                                                                    |     |          |         |     |         |    12,014 |
|         |     | Common stock:                                      |     |                                                                                                                                                                            |     |          |         |     |         |           |
| *       |     | Occidental Petroleum Corporation (2)               |     | Common stock