MORRIS, DAVIS & CHAN LLP
Certified Public Accountants

Exhibit 1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We hereby consent to the incorporation by reference in the Registration Statement on Form S-8 (No. 333-72672) of Chevron Corporation of our report dated May 19, 2006 relating to the financial statements, which appear in this Form 11-K.

June 14, 2006
Oakland, California

1111 Broadway, Suite 1505 • Oakland, California 94607 • (510) 250-1000 • Fax (510) 250-1032
Offices in San Francisco, California and Charlotte, North Carolina