Exhibit 99.1

CHASE ISSUANCE TRUST

Monthly Information Officer’s Certificate

Monthly Period: June 2021

The undersigned, a duly authorized representative of JPMorgan Chase Bank, National Association (the “Bank”), as Servicer pursuant to the Fourth Amended and Restated Transfer and Servicing Agreement, dated as of January 20, 2016 (as amended, supplemented or otherwise modified, the “Transfer and Servicing Agreement”), among the Bank, as Servicer and Administrator, Chase Card Funding LLC, as Transferor, Chase Issuance Trust, as Issuing Entity, and Wells Fargo Bank, National Association, as Indenture Trustee and Collateral Agent, does hereby certify as follows:

Item 1121(a)(1):

(a) Record Date: June 30, 2021

(b) Interest Period: June 15, 2021 through July 14, 2021

(c) Determination Date: July 13, 2021

(d) Distribution Date: July 15, 2021

JPMORGAN CHASE BANK, NATIONAL ASSOCIATION, as Servicer

By:	/s/  Patricia M. Garvey
	Name: Patricia M. Garvey
	Title: Executive Director