X0609 4 2026-06-01 0 0000797468 OCCIDENTAL PETROLEUM CORP /DE/ OXY 0001814606 Jackson Richard A. false OCCIDENTAL PETROLEUM CORPORATION 5 GREENWAY PLAZA, STE. 110 HOUSTON TX 77046 1 1 0 0 President and CEO 0 Common Stock 2026-06-01 4 A 0 101833 0 A 439328 D Common Stock 10031 I By OPC Savings Plan Award of RSUs pursuant to the Issuer's Amended and Restated 2015 Long-Term Incentive Plan. Each RSU represents a contingent right to receive one share of the Issuer's common stock upon vesting. The RSUs will vest in three equal annual installments beginning on May 31, 2027. Based on a plan statement dated June 1, 2026. /s/ Brittany A. Smith, Attorney-in-Fact for Richard A. Jackson 2026-06-03