CHAZEN STEPHEN I

SEC source: 0001140361-17-012409 · doc1.xml · nonDerivative · entry 2

CHAZEN STEPHEN I · CIK 0001026545 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,490,619

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 20, 2016.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $63.86 to $64.21, inclusive. The reporting person undertakes to provide to Occidental Petroleum Corporation, any security holder of Occidental Petroleum Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnote 3 of this Form 4.

SEC source: 0001140361-17-012409 · doc1.xml · nonDerivative · entry 1

CHAZEN STEPHEN I · CIK 0001026545 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,492,619

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 20, 2016.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $62.05 to $62.69, inclusive. The reporting person undertakes to provide to Occidental Petroleum Corporation, any security holder of Occidental Petroleum Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnote 2 of this Form 4.

SEC source: 0001140361-17-011276 · doc1.xml · nonDerivative · entry 2

CHAZEN STEPHEN I · CIK 0001026545 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,494,619

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 20, 2016.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $61.22 to $61.37, inclusive. The reporting person undertakes to provide to Occidental Petroleum Corporation, any security holder of Occidental Petroleum Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnote 3 of this Form 4.

SEC source: 0001140361-17-011276 · doc1.xml · nonDerivative · entry 1

CHAZEN STEPHEN I · CIK 0001026545 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,496,619

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 20, 2016.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $64.54 to $64.69, inclusive. The reporting person undertakes to provide to Occidental Petroleum Corporation, any security holder of Occidental Petroleum Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnote 2 of this Form 4.

SEC source: 0001140361-17-010311 · doc1.xml · nonDerivative · entry 2

CHAZEN STEPHEN I · CIK 0001026545 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,498,619

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 20, 2016.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $65.44 to $65.70, inclusive. The reporting person undertakes to provide to Occidental Petroleum Corporation, any security holder of Occidental Petroleum Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnote 3 of this Form 4.

SEC source: 0001140361-17-010311 · doc1.xml · nonDerivative · entry 1

CHAZEN STEPHEN I · CIK 0001026545 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,500,619

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 20, 2016.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $65.28 to $65.54, inclusive. The reporting person undertakes to provide to Occidental Petroleum Corporation, any security holder of Occidental Petroleum Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnote 2 of this Form 4.

SEC source: 0001140361-17-008898 · doc1.xml · nonDerivative · entry 3

CHAZEN STEPHEN I · CIK 0001026545 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,502,619

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 20, 2016.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $65.22 to $65.79, inclusive. The reporting person undertakes to provide to Occidental Petroleum Corporation, any security holder of Occidental Petroleum Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnote 3 of this Form 4.

SEC source: 0001140361-17-008898 · doc1.xml · nonDerivative · entry 2

CHAZEN STEPHEN I · CIK 0001026545 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,504,619

SEC source: 0001140361-17-008898 · doc1.xml · nonDerivative · entry 1

CHAZEN STEPHEN I · CIK 0001026545 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,529,619

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 20, 2016.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $66.78 to $67.24, inclusive. The reporting person undertakes to provide to Occidental Petroleum Corporation, any security holder of Occidental Petroleum Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnote 2 of this Form 4.

SEC source: 0001140361-17-007920 · doc1.xml · nonDerivative · entry 2

CHAZEN STEPHEN I · CIK 0001026545 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,531,619

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 20, 2016.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $66.55 to $66.87, inclusive. The reporting person undertakes to provide to Occidental Petroleum Corporation, any security holder of Occidental Petroleum Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnote 3 of this Form 4.

SEC source: 0001140361-17-007920 · doc1.xml · nonDerivative · entry 1

CHAZEN STEPHEN I · CIK 0001026545 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,533,619

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 20, 2016.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $65.76 to $66.60, inclusive. The reporting person undertakes to provide to Occidental Petroleum Corporation, any security holder of Occidental Petroleum Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnote 2 of this Form 4.

SEC source: 0001140361-17-005444 · doc1.xml · nonDerivative · entry 3

CHAZEN STEPHEN I · CIK 0001026545 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,535,619

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 20, 2016.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $67.37 to $68.00, inclusive. The reporting person undertakes to provide to Occidental Petroleum Corporation, any security holder of Occidental Petroleum Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnote 3 of this Form 4.

SEC source: 0001140361-17-005444 · doc1.xml · nonDerivative · entry 2

CHAZEN STEPHEN I · CIK 0001026545 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,537,619

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 20, 2016.

SEC source: 0001140361-17-005444 · doc1.xml · nonDerivative · entry 1

CHAZEN STEPHEN I · CIK 0001026545 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,537,719

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 20, 2016.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $66.59 to $67.58, inclusive. The reporting person undertakes to provide to Occidental Petroleum Corporation, any security holder of Occidental Petroleum Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnote 2 of this Form 4.

SEC source: 0001140361-17-004136 · doc1.xml · nonDerivative · entry 2

CHAZEN STEPHEN I · CIK 0001026545 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,539,619

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 20, 2016.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $68.05 to $68.54, inclusive. The reporting person undertakes to provide to Occidental Petroleum Corporation, any security holder of Occidental Petroleum Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnote 3 of this Form 4.

SEC source: 0001140361-17-004136 · doc1.xml · nonDerivative · entry 1

CHAZEN STEPHEN I · CIK 0001026545 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,541,619

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 20, 2016.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $67.38 to $67.82, inclusive. The reporting person undertakes to provide to Occidental Petroleum Corporation, any security holder of Occidental Petroleum Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnote 2 of this Form 4.

SEC source: 0001140361-17-002981 · doc1.xml · nonDerivative · entry 2

CHAZEN STEPHEN I · CIK 0001026545 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,543,619

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 20, 2016.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $68.26 to $68.56, inclusive. The reporting person undertakes to provide to Occidental Petroleum Corporation, any security holder of Occidental Petroleum Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnote 3 of this Form 4.

SEC source: 0001140361-17-002981 · doc1.xml · nonDerivative · entry 1

CHAZEN STEPHEN I · CIK 0001026545 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,545,619

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 20, 2016.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $67.86 to $68.44, inclusive. The reporting person undertakes to provide to Occidental Petroleum Corporation, any security holder of Occidental Petroleum Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnote 2 of this Form 4.

SEC source: 0001140361-17-002263 · doc1.xml · nonDerivative · entry 2

CHAZEN STEPHEN I · CIK 0001026545 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,547,619

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 20, 2016.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $68.43 to $68.77, inclusive. The reporting person undertakes to provide to Occidental Petroleum Corporation, any security holder of Occidental Petroleum Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnote 3 of this Form 4.

SEC source: 0001140361-17-002263 · doc1.xml · nonDerivative · entry 1

CHAZEN STEPHEN I · CIK 0001026545 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,549,619

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 20, 2016.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $69.23 to $69.83, inclusive. The reporting person undertakes to provide to Occidental Petroleum Corporation, any security holder of Occidental Petroleum Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnote 2 of this Form 4.

SEC source: 0001140361-17-001652 · doc1.xml · nonDerivative · entry 2

CHAZEN STEPHEN I · CIK 0001026545 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,551,619

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 20, 2016.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $68.49 to $68.94, inclusive. The reporting person undertakes to provide to Occidental Petroleum Corporation, any security holder of Occidental Petroleum Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnote 3 of this Form 4.

SEC source: 0001140361-17-001652 · doc1.xml · nonDerivative · entry 1

CHAZEN STEPHEN I · CIK 0001026545 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,553,619

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 20, 2016.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $70.14 to $70.76, inclusive. The reporting person undertakes to provide to Occidental Petroleum Corporation, any security holder of Occidental Petroleum Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnote 2 of this Form 4.

SEC source: 0001140361-17-000665 · doc1.xml · nonDerivative · entry 3

CHAZEN STEPHEN I · CIK 0001026545 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,555,619

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 20, 2016.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $70.84 to $71.30, inclusive. The reporting person undertakes to provide to Occidental Petroleum Corporation, any security holder of Occidental Petroleum Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnote 4 of this Form 4.

SEC source: 0001140361-17-000665 · doc1.xml · nonDerivative · entry 2

CHAZEN STEPHEN I · CIK 0001026545 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,557,619

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 20, 2016.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $72.27 to $72.78, inclusive. The reporting person undertakes to provide to Occidental Petroleum Corporation, any security holder of Occidental Petroleum Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnote 3 of this Form 4.

SEC source: 0001140361-17-000665 · doc1.xml · nonDerivative · entry 1

CHAZEN STEPHEN I · CIK 0001026545 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,558,219

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 20, 2016.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $71.21 to $72.08, inclusive. The reporting person undertakes to provide to Occidental Petroleum Corporation, any security holder of Occidental Petroleum Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnote 2 of this Form 4.

SEC source: 0001179110-17-000198 · edgar.xml · nonDerivative · entry 2

CHAZEN STEPHEN I · CIK 0001026545 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,860.11

F1 · balance_after: Includes 12.59 shares acquired under a dividend reinvestment feature of the Ecolab Inc. 2001 Non-Employee Director Stock Option and Deferred Compensation Plan.

SEC source: 0001179110-17-000198 · edgar.xml · nonDerivative · entry 1

CHAZEN STEPHEN I · CIK 0001026545 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,725.28

SEC source: 0001140361-16-091058 · doc1.xml · nonDerivative · entry 2

CHAZEN STEPHEN I · CIK 0001026545 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,559,619

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 20, 2016.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $71.33 to $71.50, inclusive. The reporting person undertakes to provide to Occidental Petroleum Corporation, any security holder of Occidental Petroleum Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnote 3 of this Form 4.

SEC source: 0001140361-16-091058 · doc1.xml · nonDerivative · entry 1

CHAZEN STEPHEN I · CIK 0001026545 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,561,619

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 20, 2016.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $72.06 to $72.30, inclusive. The reporting person undertakes to provide to Occidental Petroleum Corporation, any security holder of Occidental Petroleum Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnote 2 of this Form 4.

SEC source: 0001140361-16-090668 · doc1.xml · nonDerivative · entry 2

CHAZEN STEPHEN I · CIK 0001026545 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,563,619

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 20, 2016.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $72.22 to $72.56, inclusive. The reporting person undertakes to provide to Occidental Petroleum Corporation, any security holder of Occidental Petroleum Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnote 3 of this Form 4.

SEC source: 0001140361-16-090668 · doc1.xml · nonDerivative · entry 1

CHAZEN STEPHEN I · CIK 0001026545 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,565,619

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 20, 2016.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $72.00 to $72.75, inclusive. The reporting person undertakes to provide to Occidental Petroleum Corporation, any security holder of Occidental Petroleum Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnote 2 of this Form 4.

SEC source: 0001140361-16-089804 · doc1.xml · nonDerivative · entry 2

CHAZEN STEPHEN I · CIK 0001026545 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,567,619

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 20, 2016.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $70.92 to $71.62, inclusive. The reporting person undertakes to provide to Occidental Petroleum Corporation, any security holder of Occidental Petroleum Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnote 3 of this Form 4.

SEC source: 0001140361-16-089804 · doc1.xml · nonDerivative · entry 1

CHAZEN STEPHEN I · CIK 0001026545 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,569,619

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 20, 2016.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $71.84 to $72.54, inclusive. The reporting person undertakes to provide to Occidental Petroleum Corporation, any security holder of Occidental Petroleum Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnote 2 of this Form 4.

SEC source: 0001140361-16-089090 · doc1.xml · nonDerivative · entry 2

CHAZEN STEPHEN I · CIK 0001026545 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,571,619

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 20, 2016.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $68.18 to $69.13, inclusive. The reporting person undertakes to provide to Occidental Petroleum Corporation, any security holder of Occidental Petroleum Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnote 3 of this Form 4.

SEC source: 0001140361-16-089090 · doc1.xml · nonDerivative · entry 1

CHAZEN STEPHEN I · CIK 0001026545 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,573,619

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 20, 2016.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $70.17 to $71.13, inclusive. The reporting person undertakes to provide to Occidental Petroleum Corporation, any security holder of Occidental Petroleum Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnote 2 of this Form 4.

SEC source: 0001140361-16-088419 · doc1.xml · nonDerivative · entry 2

CHAZEN STEPHEN I · CIK 0001026545 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,575,619

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 20, 2016.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $72.22 to $72.63, inclusive. The reporting person undertakes to provide to Occidental Petroleum Corporation, any security holder of Occidental Petroleum Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnote 3 of this Form 4.

SEC source: 0001140361-16-088419 · doc1.xml · nonDerivative · entry 1

CHAZEN STEPHEN I · CIK 0001026545 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,577,619

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 20, 2016.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $67.30 to $67.64, inclusive. The reporting person undertakes to provide to Occidental Petroleum Corporation, any security holder of Occidental Petroleum Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnote 2 of this Form 4.

SEC source: 0001140361-16-087940 · doc1.xml · nonDerivative · entry 1

CHAZEN STEPHEN I · CIK 0001026545 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,579,619

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 20, 2016.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $69.76 to $69.89, inclusive. The reporting person undertakes to provide to Occidental Petroleum Corporation, any security holder of Occidental Petroleum Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnote 2 of this Form 4.

SEC source: 0001140361-16-087579 · doc1.xml · nonDerivative · entry 1

CHAZEN STEPHEN I · CIK 0001026545 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,581,619

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 20, 2016.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $68.78 to $69.75, inclusive. The reporting person undertakes to provide to Occidental Petroleum Corporation, any security holder of Occidental Petroleum Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnote 2 of this Form 4.

SEC source: 0001140361-16-087109 · doc1.xml · nonDerivative · entry 2

CHAZEN STEPHEN I · CIK 0001026545 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,583,619

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 20, 2016.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $67.82 to $68.80, inclusive. The reporting person undertakes to provide to Occidental Petroleum Corporation, any security holder of Occidental Petroleum Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnote 3 of this Form 4.

SEC source: 0001140361-16-087109 · doc1.xml · nonDerivative · entry 1

CHAZEN STEPHEN I · CIK 0001026545 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,585,619

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 20, 2016.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $67.96 to $68.52, inclusive. The reporting person undertakes to provide to Occidental Petroleum Corporation, any security holder of Occidental Petroleum Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnote 2 of this Form 4.

SEC source: 0001140361-16-085806 · doc1.xml · nonDerivative · entry 2

CHAZEN STEPHEN I · CIK 0001026545 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,587,619

F1 · kind: The sales reported in this Form 4 were effected pursuant to two Rule 10b5-1 trading plans adopted by the reporting person on October 30, 2015 and June 20, 2016.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $65.94 to $66.54, inclusive. The reporting person undertakes to provide to Occidental Petroleum Corporation, any security holder of Occidental Petroleum Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnote 3 of this Form 4.

SEC source: 0001140361-16-085806 · doc1.xml · nonDerivative · entry 1

CHAZEN STEPHEN I · CIK 0001026545 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,592,119

F1 · kind: The sales reported in this Form 4 were effected pursuant to two Rule 10b5-1 trading plans adopted by the reporting person on October 30, 2015 and June 20, 2016.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $66.61 to $66.97, inclusive. The reporting person undertakes to provide to Occidental Petroleum Corporation, any security holder of Occidental Petroleum Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnote 2 of this Form 4.

SEC source: 0001140361-16-084782 · doc1.xml · nonDerivative · entry 4

CHAZEN STEPHEN I · CIK 0001026545 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,596,619

F1 · kind: The sales reported in this Form 4 were effected pursuant to two Rule 10b5-1 trading plans adopted by the reporting person on October 30, 2015 and June 20, 2016.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $66.84 to $67.53, inclusive. The reporting person undertakes to provide to Occidental Petroleum Corporation, any security holder of Occidental Petroleum Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnote 5 of this Form 4.

SEC source: 0001209191-16-147893 · doc4.xml · nonDerivative · entry 1

CHAZEN STEPHEN I · CIK 0001026545 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,000

SEC source: 0001140361-16-084782 · doc1.xml · nonDerivative · entry 3

CHAZEN STEPHEN I · CIK 0001026545 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,601,119

F1 · kind: The sales reported in this Form 4 were effected pursuant to two Rule 10b5-1 trading plans adopted by the reporting person on October 30, 2015 and June 20, 2016.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $70.00 to $70.03, inclusive. The reporting person undertakes to provide to Occidental Petroleum Corporation, any security holder of Occidental Petroleum Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnote 4 of this Form 4.

SEC source: 0001140361-16-084782 · doc1.xml · nonDerivative · entry 2

CHAZEN STEPHEN I · CIK 0001026545 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,601,414

F1 · kind: The sales reported in this Form 4 were effected pursuant to two Rule 10b5-1 trading plans adopted by the reporting person on October 30, 2015 and June 20, 2016.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $69.00 to $69.94, inclusive. The reporting person undertakes to provide to Occidental Petroleum Corporation, any security holder of Occidental Petroleum Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnote 3 of this Form 4.

SEC source: 0001140361-16-084782 · doc1.xml · nonDerivative · entry 1

CHAZEN STEPHEN I · CIK 0001026545 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,603,714

F1 · kind: The sales reported in this Form 4 were effected pursuant to two Rule 10b5-1 trading plans adopted by the reporting person on October 30, 2015 and June 20, 2016.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $67.98 to $68.97, inclusive. The reporting person undertakes to provide to Occidental Petroleum Corporation, any security holder of Occidental Petroleum Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnote 2 of this Form 4.

SEC source: 0001140361-16-083768 · doc1.xml · nonDerivative · entry 2

CHAZEN STEPHEN I · CIK 0001026545 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,605,619

F1 · kind: The sales reported in this Form 4 were effected pursuant to two Rule 10b5-1 trading plans adopted by the reporting person on October 30, 2015 and June 20, 2016.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $73.89 to $74.22, inclusive. The reporting person undertakes to provide to Occidental Petroleum Corporation, any security holder of Occidental Petroleum Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnote 3 of this Form 4.

SEC source: 0001140361-16-083768 · doc1.xml · nonDerivative · entry 1

CHAZEN STEPHEN I · CIK 0001026545 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,610,119

F1 · kind: The sales reported in this Form 4 were effected pursuant to two Rule 10b5-1 trading plans adopted by the reporting person on October 30, 2015 and June 20, 2016.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $74.44 to $74.94, inclusive. The reporting person undertakes to provide to Occidental Petroleum Corporation, any security holder of Occidental Petroleum Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnote 2 of this Form 4.