EX-22.1

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Exhibit 22.1

Subsidiary Issuer of Guaranteed Securities

Chevron Corporation (Parent Guarantor) is the sole guarantor of the following unsecured notes issued by Chevron U.S.A. Inc. (Subsidiary Issuer), a\nPennsylvania corporation and wholly-owned subsidiary of Parent Guarantor:

Floating rate notes due 2022

0.333% notes due 2022

Floating rate notes due 2023

0.426% notes due 2023

0.687% notes due 2025

1.018% notes due 2027

2.343% notes due 2050

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