UNOCAL CORP

Quarterly Report for period ending 2005-06-30

Quarterly Report for period ending 2005-03-31

Annual Report for period ending 2004-12-31

Quarterly Report for period ending 2004-09-30

Quarterly Report for period ending 2004-06-30

Quarterly Report for period ending 2004-03-31

Annual Report for period ending 2003-12-31

Annual Report for period ending 2003-12-31

Quarterly Report for period ending 2003-11-14

Quarterly Report for period ending 2003-06-30

Current report filing

Current report filing

Current report filing

Current report filing

Current report filing

Current report filing

Current report filing

Current report filing

Current report filing

Current report filing

None

Notice of termination of registration of a class of securities under Section 12(b)

Notification filed by issuer to voluntarily withdraw a class of securities from listing and registration on a national securities exchange

Post-effective amendment to a registration statement that is not immediately effective upon filing

Post-effective amendment to a registration statement that is not immediately effective upon filing

Post-effective amendment to a registration statement that is not immediately effective upon filing

Post-effective amendment to a registration statement that is not immediately effective upon filing

Notice of termination of registration of a class of securities under Section 12(b)

Annual report of employee stock purchase, savings and similar plans

Annual report of employee stock purchase, savings and similar plans

DODGE & COX: Major Shareholders

CAPITAL RESEARCH & MANAGEMENT CO: Major Shareholders

CAPITAL GUARDIAN TRUST CO: Major Shareholders

BRIFFETT JOHN A: Statement of changes in beneficial ownership of securities

Bryant Joseph H: Statement of changes in beneficial ownership of securities

DALLAS TERRY G: Statement of changes in beneficial ownership of securities

GILLESPIE SAMUEL H III: Statement of changes in beneficial ownership of securities

HOWARD RANDOLPH L: Statement of changes in beneficial ownership of securities

MILLER DOUGLAS M: Statement of changes in beneficial ownership of securities

WILLIAMSON CHARLES R: Statement of changes in beneficial ownership of securities

Post-effective amendment to a S-8 registration statement

Post-effective amendment to a S-8 registration statement

Post-effective amendment to a S-8 registration statement

Post-effective amendment to a S-8 registration statement

Post-effective amendment to a S-8 registration statement

Post-effective amendment to a S-8 registration statement

Post-effective amendment to a S-8 registration statement

Post-effective amendment to a S-8 registration statement

Post-effective amendment to a S-8 registration statement

Post-effective amendment to a S-8 registration statement

Definitive additional proxy soliciting materials including Rule 14(a)(12) material. Note: Submission type DEFA14A can be filed as part of Form 8-K. For filers subject to 8-K filing requirements, we recommend the use of the 8-K combined form type as the easiest method for fulfilling your filing requirement for both forms.

Definitive additional proxy soliciting materials including Rule 14(a)(12) material. Note: Submission type DEFA14A can be filed as part of Form 8-K. For filers subject to 8-K filing requirements, we recommend the use of the 8-K combined form type as the easiest method for fulfilling your filing requirement for both forms.

Definitive additional proxy soliciting materials including Rule 14(a)(12) material. Note: Submission type DEFA14A can be filed as part of Form 8-K. For filers subject to 8-K filing requirements, we recommend the use of the 8-K combined form type as the easiest method for fulfilling your filing requirement for both forms.

Definitive proxy statement relating to a merger, acquisition, or disposition

Definitive additional proxy soliciting materials including Rule 14(a)(12) material. Note: Submission type DEFA14A can be filed as part of Form 8-K. For filers subject to 8-K filing requirements, we recommend the use of the 8-K combined form type as the easiest method for fulfilling your filing requirement for both forms.

Definitive additional proxy soliciting materials including Rule 14(a)(12) material. Note: Submission type DEFA14A can be filed as part of Form 8-K. For filers subject to 8-K filing requirements, we recommend the use of the 8-K combined form type as the easiest method for fulfilling your filing requirement for both forms.

Definitive additional proxy soliciting materials including Rule 14(a)(12) material. Note: Submission type DEFA14A can be filed as part of Form 8-K. For filers subject to 8-K filing requirements, we recommend the use of the 8-K combined form type as the easiest method for fulfilling your filing requirement for both forms.

Definitive proxy statements

Definitive additional proxy soliciting materials including Rule 14(a)(12) material. Note: Submission type DEFA14A can be filed as part of Form 8-K. For filers subject to 8-K filing requirements, we recommend the use of the 8-K combined form type as the easiest method for fulfilling your filing requirement for both forms.

Definitive additional proxy soliciting materials including Rule 14(a)(12) material. Note: Submission type DEFA14A can be filed as part of Form 8-K. For filers subject to 8-K filing requirements, we recommend the use of the 8-K combined form type as the easiest method for fulfilling your filing requirement for both forms.