UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Form 13F
Form 13F COVER PAGE
Report for the Calendar Year or Quarter Ended: June 30, 2005
Check here if Amendment |X|; Amendment Number: 10
This Amendment (Check only one.): [ ] is a restatement.
[X] adds new holdings entries.
Institutional Investment Manager Filing this Report:
Name: Occidental Petroleum Corporation
Address: 10889 Wilshire Boulevard
Los Angeles, California 90024
Form 13F File Number: 28-10313
The institutional investment manager filing this report and the person by whom
it is signed hereby represent that the person signing the report is authorized
to submit it, that all information contained herein is true, correct and
complete, and that it is understood that all required items, statements,
schedules, lists, and tables, are considered integral parts of this form.
Person Signing this Report on Behalf of Reporting Manager:
Name: Jim A. Leonard
Vice President and Controller
Occidental Petroleum Corporation
Phone: (310) 208-8800
Signature, Place, and Date of Signing:
/s/ JIM A. LEONARD Los Angeles, California August 4, 2005
--------------------------- ----------------------- -----------------
[Signature] [City, State] [Date]
Report Type (Check only one.):
[X] 13F HOLDINGS REPORT. (Check here if all holdings of this reporting
manager are reported in this report.)
[ ] 13F NOTICE. (Check here if no holdings reported are in this report, and
all holdings are reported by other reporting manager(s).)
[ ] 13F COMBINATION REPORT. (Check here if a portion of the holdings for this
reporting manager are reported in this report and a portion are reported
by other reporting manager(s).)
Form 13F SUMMARY PAGE
Report Summary:
Number of Other Included Managers: 6
Form 13F Information Table Entry Total: 2
Form 13F Information Table Value Total: $1,470,924
(thousands)
List of Other Included Managers:
Provide a numbered list of the name(s) and Form 13F file number(s) of all
institutional investment managers with respect to which this report is filed,
other than the manager filing this report.
No. 13F File Number Name
1 28- Occidental C.O.B. Partners
2 28- Placid Oil Company
3 28- OXY USA Inc.
4 28- Occidental Oil and Gas Holding Corporation
5 28- Occidental Petroleum Investment Co.
6 28- Occidental Chemical Holding Corporation
FORM 13F INFORMATION TABLE
COLUMN 1 COLUMN 2 COLUMN 3 COLUMN 4 COLUMN 5 COLUMN 6 COLUMN 7 COLUMN 8
----------------- -------------- --------- ---------- ------------------- -------------- ------------- -----------------------------
VALUE SHRS OR SH/ PUT/ INVESTMENT OTHER VOTING AUTHORITY
NAMES OF ISSUER TITLE OF CLASS CUSIP (x$1000) PRN AMT PRN CALL DISCRETION MANAGERS -----------------------------
SOLE SHARED NONE
----------------- -------------- --------- ---------- ---------- --- ---- -------------- ------------- ---------- --------- --------
Premcor Inc. Common Stock 74045Q104 $ 670190 9034646 SH SHARED-DEFINED 1, 2, 3, 4, 5 9034646
Lyondell
Chemical
Company Common Stock 552078107 $ 800734 30307860 SH SHARED-DEFINED 5,6 30307860