BA Credit Card Trust Files 8‑K Disclosing Master Trust II Portfolio Annex

What Happened

• BA Credit Card Trust filed a Form 8‑K on September 28, 2026 (Items 8.01 and 9.01) to provide Exhibit 99.1, which is styled as Annex I and describes the credit card receivables conveyed to BA Master Credit Card Trust II and the related credit card accounts.
• Annex I is intended to be an integral part of prospectuses for the offer and sale of BAseries notes and references the Prospectus for the BAseries Class A(2026‑1) Notes dated May 7, 2026 (filed May 11, 2026) filed by BA Credit Card Funding, LLC, BA Master Credit Card Trust II, and BA Credit Card Trust.

Key Details

• Filing date: September 28, 2026 (Form 8‑K; Items 8.01 & 9.01).
• Exhibit included: Exhibit 99.1 — "Annex I: The Master Trust II Portfolio" (describes the conveyed credit card receivables and accounts).
• Associated prospectus: BAseries Class A(2026‑1) Notes Prospectus dated May 7, 2026 (filed May 11, 2026).
• Some terms in Annex I use definitions from the Prospectus’ Glossary of Defined Terms.

Why It Matters

• The filing supplies the formal annexed description of the collateral (credit card receivables) backing BAseries notes issued by entities in the BA Credit Card Trust structure. Investors in or monitoring BAseries note offerings should review Annex I for details on the composition of the receivables and any prospectus-defined terms that affect the securities’ structure and credit profile.