X0306 4 2022-10-03 0 0000797468 OCCIDENTAL PETROLEUM CORP /DE/ OXY 0001474828 Kerrigan Sylvia J OCCIDENTAL PETROLEUM CORPORATION 5 GREENWAY PLAZA, SUITE 110 HOUSTON TX 77046 0 1 0 0 SVP & Chief Legal Officer Common Stock 2022-10-03 4 A 0 40587 0 A 40587 D Award of restricted stock units (RSUs) pursuant to the Issuer's Amended and Restated 2015 Long-Term Incentive Plan (2015 LTIP). 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 October 2, 2023. /s/ Brittany A. Smith, Attorney-in-Fact for Sylvia J. Kerrigan 2022-10-05