Exhibit 99.1

CHASE ISSUANCE TRUST

Monthly Information Officer’s Certificate

Monthly Period: August 2018

The undersigned, a duly authorized representative of Chase Bank USA, 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: August 31, 2018

(b) Interest Period: August 15, 2018 through September 16, 2018

(c) Determination Date: September 13, 2018

(d) Distribution Date: September 17, 2018

CHASE BANK USA, NATIONAL ASSOCIATION, as Servicer

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