X0306 4 2018-02-07 0 0000797468 OCCIDENTAL PETROLEUM CORP /DE/ OXY 0001588752 Hollub Vicki A. OCCIDENTAL PETROLEUM CORPORATION 5 GREENWAY PLAZA, STE. 110 HOUSTON TX 77046 1 1 0 0 President and CEO Common Stock 2018-02-07 4 A 0 40791 0 A 124776 D Common Stock 2018-02-07 4 A 0 37941 0 A 162717 D Common Stock 17375 I By OPC Savings Plan Award of restricted stock units (RSUs) pursuant to the Issuer's 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 February 28, 2019. On February 15, 2017, the reporting person was granted 37,941 performance stock units (PSUs) pursuant to the 2015 LTIP, which were subject to performance- and time-based vesting conditions. On February 7, 2018, achievement of the performance condition was certified by the Compensation Committee of the Issuer's Board of Directors, vesting the performance condition and converting the PSUs into RSUs. 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 February 28, 2018. Based on a plan statement dated February 7, 2018. Nicole E. Clark, Attorney-in-Fact for Vicki A. Hollub 2018-02-09