NEW YORK, Oct. 13, 2026 /PRNewswire/ — Harbour Island Acquisition Corp. I (the “Company”) announced today the pricing of its initial public offering of 10,000,000 units at a price of $10.00 per unit. The units are expected to be listed on the Global Market tier of The Nasdaq Stock Market LLC (“Nasdaq”) and begin trading tomorrow, October 14, 2026, under the ticker symbol “HRIAU.” Each unit consists of one Class A ordinary share and one redeemable warrant. Each warrant entitles the holder thereof to purchase one Class A ordinary share of the Company at an exercise price of $11.50 per share, subject to certain adjustments. Once the securities comprising the units begin separate trading, the Class A ordinary shares and warrants are expected to be listed on Nasdaq under the symbols “HRIA” and “HRIAW,” respectively. The offering is expected to close on October 15, 2026, subject to customary closing conditions. The Company has granted the underwriters a 45-day option to purchase up to an additional 1,500,000 units at the initial public offering price to cover over-allotments, if any.

The Company is a blank check company formed for the purpose of effecting a merger, amalgamation, share exchange, asset acquisition, share purchase, reorganization or similar business combination with one or more businesses. The Company may pursue an acquisition opportunity in any industry, sector or geographic region. The Company’s primary focus, however, will be on target businesses engaged in industrial materials, engineered components, and the equipment and supply chain that support the production of technology assets, including semiconductors and semiconductor equipment, artificial intelligence and AI-enabled software, data infrastructure, robotics and automation, and aerospace and defense. The Company’s management team is led by McAndrew Rudisill, its Chief Executive Officer and Chairman of the Board, and Samuel Knipper, its Chief Financial Officer. The Board also includes Ryan Smith, Michael Edwards, Benjamin Piggott and James Muchmore.

Clear Street LLC is acting as sole book-running manager for the offering.

The offering is being made only by means of a prospectus. When available, copies of the prospectus may be obtained from Clear Street LLC, 4 World Trade Center, 150 Greenwich Street, Floor 45, New York NY 10007, or by email at ECM@clearstreet.io.

A registration statement relating to the securities has been filed with the U.S. Securities and Exchange Commission (the “SEC”) and became effective on October 13, 2026. This press release shall not constitute an offer to sell or the solicitation of an offer to buy, nor shall there be any sale of these securities in any state or jurisdiction in which such an offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such state or jurisdiction.

Forward-Looking Statements

This press release contains statements that constitute “forward-looking statements,” including with respect to the proposed initial public offering and the Company’s search for an initial business combination. No assurance can be given that the offering discussed above will be completed on the terms described, or at all, subject to certain adjustments.

Forward-looking statements are subject to numerous conditions, many of which are beyond the control of the Company, including those set forth in the “Risk Factors” section of the Company’s registration statement and preliminary prospectus for the Company’s initial public offering filed with the SEC. Copies of these documents are available on the SEC’s website, www.sec.gov. The Company undertakes no obligation to update these statements for revisions or changes after the date of this release, except as required by law.

Investor Contact:

Harbour Island Acquisition Corp. I
2875 South Ocean Blvd., Palm Beach, FL 33480
(o) (728) 226-8216
ir@harbourisland.io

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SOURCE Harbour Island Acquisition Corp. I