INSTANCE DOCUMENT

Exhibit 4.3

INSTRUMENT OF RESIGNATION, APPOINTMENT AND ACCEPTANCE

     This INSTRUMENT OF RESIGNATION, APPOINTMENT, AND ACCEPTANCE dated as of October 2, 2008 (this “Instrument”) among CHEVRON CORPORATION, a Delaware corporation (“Chevron”), as Issuer THE BANK OF NEW YORK MELLON, a New York banking corporation (the “Retiring Trustee”), and WELLS FARGO BANK, NATIONAL ASSOCIATION, a national banking association with trust powers duly organized and existing under the laws of the United States (the “Successor Trustee”).

W I T N E S S E T H :

     WHEREAS, Chevron and the Retiring Trustee (as successor to JPMorgan Chase Bank, as successor to The Chase Manhattan Bank, as successor to Chemical Bank) are parties to that certain Indenture dated as of June 15, 1995 (the “Original Indenture”) and that certain First Supplemental Indenture dated as of October 13, 1999 (together with the Original Indenture, the “Indenture”);

     WHEREAS, the Retiring Trustee has by letter dated the date hereof, pursuant to and in accordance with Section 7.10 of the Original Indenture, notified Chevron that it has resigned as Trustee under the Indenture, effective as of the close of business on the date hereof; 

     WHEREAS, Chevron, pursuant to Section 7.10 of the Original Indenture, has appointed the Successor Trustee to succeed the Retiring Trustee as Trustee under the Indenture; and

     WHEREAS, the Successor Trustee desires to accept, pursuant to Section 7.11 of the Original Indenture, appointment as Trustee under the Indenture;

     NOW, THEREFORE, in consideration of the premises, the parties hereto agree as follows:

     Section 1. Chevron hereby accepts the resignation of the Retiring Trustee and appoints the Successor Trustee as Trustee under the Indenture, subject to all the trusts, conditions and provisions of the Indenture, to fill the vacancy created by the resignation of the Retiring Trustee, such resignation and appointment to be effective as of the close of business on the date hereof.

     Section 2. The Retiring Trustee hereby conveys, assigns and transfers to the Successor Trustee, and to its successors and assigns, upon the trusts expressed in the Indenture, all the rights, powers and trusts of the Retiring Trustee as Trustee under and pursuant to the Indenture, with like effect as if the Successor Trustee was originally named as Trustee under the Indenture.

     Section 3 The Successor Trustee represents and warrants to the Retiring Trustee and the Issuer that it is eligible and has been duly authorized to serve as Trustee under the Indenture.

     Section 4 The Successor Trustee hereby accepts appointment as Trustee under the Indenture, subject to all the trusts, conditions and provisions of the Indenture, and accepts, upon the trusts expressed in the Indenture, all the rights, powers and trusts of the Retiring Trustee as Trustee under and pursuant to the Indenture, with like effect as if the Successor Trustee was originally named as Trustee under the Indenture and agrees to be bound by all the terms of the Indenture, such acceptance and agreement to be effective as of the close of business on the date hereof.

     Section 5 At the request of the Successor Trustee and Chevron, the Retiring Trustee, for the purpose of more fully and certainly vesting in and confirming to the Successor Trustee as Trustee under the Indenture the rights and powers which the Retiring Trustee now holds under and by virtue of the Indenture, hereby joins in the execution hereof and agrees, upon reasonable request of the Successor Trustee, to execute, acknowledge and deliver such further instruments of conveyance and further assurance and to do such other things as may reasonably be required for more fully and certainly vesting in and confirming to the Successor Trustee such rights and powers.

     Section 6 For purposes of Section 14.2 of the Indenture, all communications intended for the Trustee shall be sent to:

Wells Fargo Bank, National Association
707 Wilshire Blvd, 17^th Floor
Los Angeles, CA 90017
Attention: Corporate Trust Department
Facsimile: (213)  ###-###-####

     Section 7. This Instrument shall be deemed to be a contract made under the laws of the State of New York, and for all purposes shall be construed in accordance with the laws of said State.

     Section 8. This Instrument may be executed in any number of counterparts, each of which shall be an original; but such counterparts shall together constitute but one and the same instrument.

     Section 9. Capitalized terms not otherwise defined in this Instrument shall have the respective meanings given them in the Indenture.

     IN WITNESS WHEREOF, the parties hereto have caused this Instrument to be duly executed as of the day and year first above written.

		CHEVRON CORPORATION
		By:		/s/ Jennifer J. Machado
		Name:		Jennifer J. Machado
		Title:		Assistant Treasurer
		THE BANK OF NEW YORK MELLON
		By:		/s/ Geovanni Barris
		Name:		Geovanni Barris
		Title:		Vice President
		WELLS FARGO BANK, NATIONAL ASSOCIATION
		By:		/s/ Maddy Hall
		Name:		Maddy Hall
		Title:		Vice President