PROMISSORY NOTE, BETWEEN THE REGISTRANT AND THE SPONSOR
K2 Capital Acquisition II Corp.
THIS PROMISSORY NOTE (“NOTE”) HAS NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE “SECURITIES ACT”). THIS NOTE HAS BEEN ACQUIRED FOR INVESTMENT ONLY AND MAY NOT BE SOLD, TRANSFERRED OR ASSIGNED IN THE ABSENCE OF REGISTRATION OF THE RESALE THEREOF UNDER THE SECURITIES ACT OR AN OPINION OF COUNSEL REASONABLY SATISFACTORY IN FORM, SCOPE AND SUBSTANCE TO THE MAKER THAT SUCH REGISTRATION IS NOT REQUIRED.
PROMISSORY NOTE
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| Total Principal Amount: up to $300,000.00 | Dated as of June 30, 2026 |
| (as set forth on the Schedule of Borrowings attached hereto) |
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