SPONSOR SUPPORT AGREEMENT, DATED OCTOBER 6, 2026, BY AND AMONG THE COMPANY, PARENT AND THE SPONSOR
Charlton Aria Acquisition Corp
SPONSOR SUPPORT AGREEMENT
THIS SPONSOR SUPPORT AGREEMENT (this “Agreement”) is made and entered into as of October 5, 2026, by and among (i) ST SPONSOR II LIMITED, a Cayman Islands exempted company (“Sponsor”), (ii) CHARLTON ARIA ACQUISITION CORPORATION, a Cayman Islands exempted company (“SPAC”), and (iii) KQC QUANTUM, INC., a Delaware corporation (“Parent”). Capitalized terms used but not defined in this Agreement have the meanings ascribed to such terms in the Business Combination Agreement, by and among SPAC, Parent, KQC MS LIMITED, a Cayman Islands exempted company and wholly owned subsidiary of Parent (“Merger Sub”), KOREA QUANTUM COMPUTING CO., LTD. (“KQC Korea”), and Sponsor solely for the purposes specified therein, dated as of October 5, 2026 (as it may be amended, supplemented, modified and/or restated from time to time, the “Business Combination Agreement”).
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