AI Infrastructure Acquisition Corp.

AI Infrastructure Acquisition Corp. is a blank check company incorporated in the Cayman Islands on May 13, 2025. The company was formed to complete a merger, share exchange, asset acquisition, share purchase, reorganization, or similar business combination with one or more businesses. Its sponsor is AIIA Sponsor Ltd., a Cayman Islands ordinary resident company. The company's Initial Public Offering (IPO) registration statement became effective on September 30, 2025. On October 6, 2025, the company completed its IPO, selling 13,800,000 units (including the full exercise of the underwriters' over-allotment option of 1,800,000 units) at $10.00 per unit, raising gross proceeds of $138,000,000. Each unit consists of one Class A ordinary share and one right, entitling the holder to receive one-fifth (1/5) of one Class A ordinary share upon the completion of a business combination. Concurrently with the IPO closing, the company sold 407,000 private placement units at $10.00 per unit to the Sponsor and Maxim Partners LLC, generating gross proceeds of $4,070,000. The Sponsor purchased 269,000 units, and Maxim purchased 138,000 units. Following the IPO, $138,000,000 ($10.00 per unit) from the IPO and private placement was placed in a trust account with Odyssey Transfer and Trust Company as trustee. These funds are invested only in U.S. government treasury obligations with a maturity of 185 days or less, or in money market funds meeting specific conditions under Rule 2a-7 of the Investment Company Act of 1940, which invest only in direct U.S. government treasury obligations. IPO transaction costs were approximately $2,796,000, including $2,070,000 in cash underwriting fees and $726,000 in other offering costs. As of December 31, 2025, the company had not entered into a definitive agreement for any business combination and had not commenced any operations.