SEC Form 4
FORM 4 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
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 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
1. Name and Address of Reporting Person*
HAVERT JAMES R
(Last) (First) (Middle)
OCCIDENTAL PETROLEUM CORPORATION
10889 WILSHIRE BOULEVARD
(Street)
LOS ANGELES CA 90024
(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
OCCIDENTAL PETROLEUM CORP /DE/ [ OXY ] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director 10% Owner
X Officer (give title below) Other (specify below)
Vice President and Treasurer
3. Date of Earliest Transaction (Month/Day/Year)
05/15/2008
4. If Amendment, Date of Original Filed (Month/Day/Year)
 6. Individual or Joint/Group Filing (Check Applicable Line)
X Form filed by One Reporting Person
Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V Amount (A) or (D) Price
Common Stock 05/15/2008 M 14,952 A $13.375 105,049 D
Common Stock 05/15/2008 S 14,952 D $89.178(1) 90,097 D
Common Stock 05/15/2008 M 10,088 A $13.215 100,185 D
Common Stock 05/15/2008 S 10,088 D $89.1914(3) 90,097 D
Common Stock 05/15/2008 M 6,424 A $15.565 96,521 D
Common Stock 05/15/2008 S 6,424 D $89.1296(5) 90,097 D
Common Stock 05/15/2008 M 13,576 A $15.565 103,673 D
Common Stock 05/15/2008 F 7,477 D $90.49 96,196 D
Common Stock 05/15/2008 S 6,099 D $89.1672(7) 90,097 D
Common Stock 05/15/2008 M 4,054 A $24.66 94,151 D
Common Stock 05/15/2008 S 4,054 D $89.2298(8) 90,097 D
Common Stock 05/15/2008 M 15,946 A $24.66 106,043 D
Common Stock 05/15/2008 F 9,654 D $90.42 96,389 D
Common Stock 05/15/2008 S 6,292 D $89.0991(10) 90,097 D
Common Stock 05/15/2008 M 30,000 A $24.66 120,097 D
Common Stock 05/15/2008 D 30,000 D $90.63 90,097 D
Common Stock 05/15/2008 M 20,000 A $40.805 110,097 D
Common Stock 05/15/2008 F 14,039 D $90.565 96,058 D
Common Stock 05/15/2008 M 6,667 A $50.445 102,725 D
Common Stock 05/15/2008 F 5,065 D $90.565 97,660 D
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year) 7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Employee stock option (right to buy) $13.375 05/15/2008 M 14,952 (2) 07/11/2011 Common Stock 14,952 $0 0 D
Employee stock option (right to buy) $13.215 05/15/2008 M 10,088 (4) 07/17/2012 Common Stock 10,088 $0 0 D
Employee stock option (right to buy) $15.565 05/15/2008 M 6,424 (6) 07/16/2013 Common Stock 6,424 $0 13,576 D
Employee stock option (right to buy) $15.565 05/15/2008 M 13,576 (6) 07/16/2013 Common Stock 13,576 $0 0 D
Employee stock option (right to buy) $24.66 05/15/2008 M 4,054 (9) 07/14/2014 Common Stock 4,054 $0 15,946 D
Employee stock option (right to buy) $24.66 05/15/2008 M 15,946 (9) 07/14/2014 Common Stock 15,946 $0 0 D
Stock appreciation right $24.66 05/15/2008 M 30,000 (11) 07/14/2014 Common Stock 30,000 $0 0 D
Stock appreciation right $40.805 05/15/2008 M 20,000 (12) 07/13/2015 Common Stock 20,000 $0 10,000 D
Stock appreciation right $50.445 05/15/2008 M 6,667 (13) 07/19/2016 Common Stock 6,667 $0 13,333 D
Explanation of Responses:
1. The price reported is an average sale price. 400 shares were sold at $89.07; 600 shares were sold at $89.08; 1,000 shares were sold at $89.09; 800 shares were sold at $89.11; 500 shares were sold at $89.13; 1,000 shares were sold at $89.14; 1,600 shares were sold at $89.15; 600 shares were sold at $89.16; 400 shares were sold at $89.18; 652 shares were sold at $89.19; 2,000 shares were sold at $89.20; 1,900 shares were sold at $89.21; 400 shares were sold at $89.22; 100 shares were sold at $89.23; 1,200 shares were sold at $89.24; 600 shares were sold at $89.25; 300 shares were sold at $89.26; 700 shares were sold at $89.27; and 200 shares were sold at $89.28.
2. The option vested in three equal annual installments beginning on July 11, 2002.
3. The price reported is an average sale price. 1,900 shares were sold at $89.15; 1,288 shares were sold at $89.16; 100 shares were sold at $89.17; 100 shares were sold at $89.18; 100 shares were sold at $89.19; 3,700 shares were sold at $89.20; 700 shares were sold at $89.21; 1,300 shares were sold at $89.22; 300 shares were sold at $89.23; and 600 shares were sold at $89.24.
4. The option vested in three equal annual installments beginning on July 17, 2003.
5. The price reported is an average sale price. 1,700 shares were sold at $89.07; 700 shares were sold at $89.11; 700 shares were sold at $89.12; 700 shares were sold at $89.13; 200 shares were sold at $89.14; 300 shares were sold at $89.15; 324 shares were sold at $89.16; 300 shares were sold at $89.17; 1,400 shares were sold at $89.19; and 100 shares were sold at $89.20.
6. The option vested in three equal annual installments beginning on July 16, 2004.
7. The price reported is an average sale price. 1,000 shares were sold at $89.11; 600 shares were sold at $89.12; 200 shares were sold at $89.14; 500 shares were sold at $89.15; 200 shares were sold at $89.16; 1,399 shares were sold at $89.17; 400 shares were sold at $89.19; 300 shares were sold at $89.20; 100 shares were sold at $89.21; and 1,400 shares were sold at $89.22.
8. The price reported is an average sale price. 100 shares were sold at $89.20; 1,000 shares were sold at $89.21; 600 shares were sold at $89.22; 700 shares were sold at $89.23; 500 shares were sold at $89.24; and 1,154 shares were sold at $89.25.
9. The option vested in three equal annual installments beginning on July 14, 2005.
10. The price reported is an average sale price. 100 shares were sold at $89.06; 700 shares were sold at $89.07; 1,592 shares were sold at $89.08; 600 shares were sold at $89.09; 1,000 shares were sold at $89.10; 600 shares were sold at $89.11; and 1,700 shares were sold at $89.13.
11. The stock appreciation right vested in three equal annual installments beginning on July 14, 2005.
12. The stock appreciation right vests in three equal annual installments beginning on July 13, 2006.
13. The stock appreciation right vests in three equal annual installments beginning on July 19, 2007.
/s/ CHRISTEL H. PAULI, Attorney-in-Fact for James R. Havert 05/16/2008
** Signature of Reporting Person Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.