Material Event (Form 8-K)

Item 8.01. Other Events.

Postponement of Shareholders Meeting

SIM Acquisition Corp. I (the "Company") has determined to postpone the extraordinary general meeting in lieu of an annual general meeting of the shareholders of the Company (the "Meeting"), initially scheduled to occur on Thursday, April 16, 2026 at 10:00 a.m., Eastern Time, to Thursday, April 23, 2026, at 10:00 a.m., Eastern Time. As previously disclosed, the purpose of the Meeting is to, among other things, approve an amendment to the Company's amended and restated memorandum of association and articles of association, to extend the date by which the Company must consummate an initial business combination from July 11, 2026 to July 12, 2027 (or such earlier date as determined by the Company's board of directors (the "Extension Amendment Proposal")). The Meeting will be held at the offices of Ellenoff Grossman & Schole LLP, located at 1345 Avenue of the Americas, 11^th Floor, New York, New York 10105. The deadline by which shareholders must exercise their redemption rights in connection with the vote to approve the Extension Amendment Proposal at the Meeting has been extended to Tuesday, April 21, 2026, at 5:00 p.m., Eastern Time, which is two business days prior to the Meeting.

Participants in the Solicitation

The Company and its directors and executive officers and other persons may be deemed to be participants in the solicitation of proxies from the Company's shareholders in respect of the Meeting and related matters. Information regarding the Company's directors and executive officers is available in the definitive proxy statement on Schedule 14A (the "Proxy Statement"). Additional information regarding the participants in the proxy solicitation and a description of their direct and indirect interests are contained in the Proxy Statement.

No Offer or Solicitation

This communication shall not constitute an offer to sell or the solicitation of an offer to buy any securities, nor shall there be any sale of securities in any jurisdiction in which the offer, solicitation or sale would be unlawful prior to the registration or qualification under the securities laws of any such jurisdiction. No offering of securities shall be made except by means of a prospectus meeting the requirements of Section 10 of the Securities Act.