Climate Transition Special Opportunities SPAC I Sample Contracts

Climate Transition Special Opportunities SPAC I
Subscription Agreement for Founder Shares • September 23rd, 2025 • Climate Transition Special Opportunities SPAC I • New York

We are pleased to accept the offer Climate Transition Special Opportunities SPAC I LP (the “Subscriber” or “you”) has made to purchase 4,541,667 shares (“Founder Shares”) of the Class B ordinary shares, $0.0001 par value per share (“Class B Ordinary Shares”), of Climate Transition Special Opportunities SPAC I, a Cayman Islands exempted company (the “Company”), up to 375,000 of which are subject to forfeiture by you if the underwriters of the proposed initial public offering (“IPO”) of the Company pursuant to the registration statement on Form S-1 expected to be filed by the Company in connection with the IPO (the “Registration Statement”) do not fully exercise their over-allotment option (the “Over-allotment Option”) as described below. For the purposes of this Agreement (this “Agreement”), references to “Ordinary Shares” are to, collectively, the Class B Ordinary Shares and the Company’s Class A ordinary shares, $0.0001 par value per share (the “Class A Ordinary Shares”). Pursuant to