Exhibit 99.1

CHASE ISSUANCE TRUST

Monthly Information Officer’s Certificate

Monthly Period: November 2025

The undersigned is a duly authorized representative of JPMorgan Chase Bank, National Association (the “Bank”), as Servicer pursuant to the Fifth Amended and Restated Transfer and Servicing Agreement, dated as of December 16, 2024 (as amended, supplemented or otherwise modified, the “Transfer and Servicing Agreement”), by and among the Chase Card Funding LLC, as Transferor, the Bank, as Servicer and Administrator, Chase Issuance Trust, as Issuing Entity, and Computershare Trust Company, National Association, as Indenture Trustee and Collateral Agent.

The undersigned does hereby certify as follows:

Item 1121(a)(1):

(a) Record Date: November 30, 2025

(b) Interest Period: November 17, 2025 through December 14, 2025

(c) Interest Accrual Method: 30/360

(d) Determination Date: December 11, 2025

(e) Distribution Date: December 15, 2025

JPMORGAN CHASE BANK, NATIONAL ASSOCIATION, as Servicer
By:	/s/ Patricia M. Garvey
	Name: Patricia M. Garvey
	Title: Executive Director