Rising Dragon Acquisition Corp.

Item 1.01 Entry into a Material Definitive Agreement The disclosure contained in Item 2.03 is incorporated by reference in this Item 1.01.

Item 2.03 Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant. On June 15, 2026, Rising Dragon Acquisition Corp. (the “Company” or “Rising Dragon”) issued two unsecured promissory notes, each with a principal amount of $27,818.5 ( “June Notes”), one to Aurora Beacon LLC, the Company’s sponsor, and one to SZG Limited, the designee of HZJL Cayman Limited, the counterparty to the previously announced agreement and plan of merger dated as of January 27, 2025, pursuant to which a proposed business combination among HZJL Cayman Limited, Rising Dragon, Purchaser and Merger Sub would occur. On July 15, 2026, the Company issued another unsecured promissory note with a principal amount of $55,637.41 (together with June Notes, the “Notes”) to SZG Limited. The Notes do not bear interest and mature upon closing of the Company’s initial business combination. The proceeds of the Notes have been deposited in the Company’s trust account in connection with extending the business combination completion window until August 15, 2026. In addition, the Notes may be converted by the holder into units of the Company identical to the units issued in the Company’s initial public offering at a price of $10.00 per unit. The foregoing description of the Notes is qualified in its entirety by reference to the full text of the Notes, copies of which are filed with this Current Report on Form 8-K as Exhibits 10.1, 10.2 and 10.3 and are incorporated herein by reference. Item 9.01. Financial Statements and Exhibits (c) Exhibits: Exhibit No. Description ──────────────────────────────────────────────────────────────────────────────────────────────── 10.1 Form of Promissory Note 10.2 Form of Promissory Note 10.3 Form of Promissory Note 104 Cover Page Interactive Data File (embedded within the Inline XBRL document)