Filed Pursuant to Rule 433

Registration Nos. 333-218098 and 333-218098-01

Pricing Free Writing Prospectus, dated May 4, 2018

Chase Issuance Trust

Issuing Entity

Chase Card Funding LLC

Depositor and Transferor

Chase Bank USA, National Association

Sponsor, Originator, Administrator and Servicer

CHASEseries

Class A(2018-1)

Principal Amount:	$1,400,000,000
Interest Rate:	One-month LIBOR plus 0.20% per annum
Pricing Date:	May 4, 2018
Expected Issuance Date:	May 10, 2018
First Interest Payment Date:	June 15, 2018
Interest Payment Dates:	Monthly on the 15th (unless the 15th is not a business day, in which case it will be the next business day)
Scheduled Principal Payment Date:	April 15, 2021
Legal Maturity Date:	April 17, 2023
Price to Public:	$1,400,000,000 (or 100.00000%)
Underwriting Discount:	$3,150,000 (or 0.22500%)
Proceeds to the Issuing Entity:	$1,396,850,000 (or 99.77500%)
Selling Concessions:	0.13500%
Reallowance:	0.06750%
Weighted Average Life:	2.93 years
ERISA Eligible:	Yes (subject to important considerations described in the prospectus)
Lead Underwriter:	J.P. Morgan Securities LLC
Co-Managers:	Barclays Capital Inc. RBC Capital Markets, LLC Wells Fargo Securities, LLC

The depositor has filed a registration statement (including a prospectus) with the SEC for the offering to which this communication relates. Before you invest, you should read the prospectus in that registration statement and other documents the depositor has filed with the SEC for more complete information about the sponsor, the depositor, the issuing entity and this offering, including the preliminary prospectus, dated May 1, 2018. You may get these documents for free by visiting EDGAR on the SEC website at www.sec.gov. Alternatively, the sponsor, the depositor, any underwriter or any dealer participating in the offering will arrange to send you the prospectus if you request it by calling (866) 669-7629 or by emailing the ABS Syndicate Desk at abs_synd@jpmorgan.com.