MRCO · Mercator Acquisition Corp. · Insider Trading

The Class B ordinary shares are automatically convertible into the shares of the Issuer's Class A ordinary shares at the time of the Issuer's initial business combination on a one-for-one basis, subject to adjustment pursuant to certain anti-dilution rights, and have no expiration date. The Class B ordinary shares are subject to forfeiture under certain circumstances relating to Mr. Sweeney's service on the Issuer's Board of Directors.

As contemplated by the securities purchase agreement between Mercator Investor Holdings, LLC (the "Sponsor") and Mr. Sweeney, dated July 8, 2026, the Sponsor assigned 25,000 Class B ordinary shares to Mr. Sweeney in connection with Mr. Sweeney's appointment to the Issuer's Board of Directors.

The Class B ordinary shares are automatically convertible into the shares of the Issuer's Class A ordinary shares at the time of the Issuer's initial business combination on a one-for-one basis, subject to adjustment pursuant to certain anti-dilution rights, and have no expiration date. The Class B ordinary shares are subject to forfeiture under certain circumstances relating to Mr. Schwartz's service on the Issuer's Board of Directors.

As contemplated by the securities purchase agreement between Mercator Investor Holdings, LLC (the "Sponsor") and Mr. Schwartz, dated July 8, 2026, the Sponsor assigned 25,000 Class B ordinary shares to Mr. Schwartz in connection with Mr. Schwartz 's appointment to the Issuer's Board of Directors.

The Class B ordinary shares are automatically convertible into the shares of the Issuer's Class A ordinary shares at the time of the Issuer's initial business combination on a one-for-one basis, subject to adjustment pursuant to certain anti-dilution rights, and have no expiration date. The Class B ordinary shares are subject to forfeiture under certain circumstances relating to Mr. Nash's service on the Issuer's Board of Directors.

As contemplated by the securities purchase agreement between Mercator Investor Holdings, LLC (the "Sponsor") and Mr. Nash, dated July 8, 2026, the Sponsor assigned 25,000 Class B ordinary shares to Mr. Nash in connection with Mr. Nash's appointment to the Issuer's Board of Directors.

The Class B ordinary shares are automatically convertible into the shares of the Issuer's Class A ordinary shares at the time of the Issuer's initial business combination on a one-for-one basis, subject to adjustment pursuant to certain anti-dilution rights, and have no expiration date.

In connection with the Issuer's initial public offering and the appointment of Matthew Sweeney, James Nash, and Stephen Schwartz to the Issuer's Board of Directors, Mercator Investor Holdings, LLC (the "Sponsor") assigned 25,000 Class B ordinary shares to each of Matthew Sweeney, James Nash, and Stephen Schwartz. The Sponsor also transferred 200,000 Class B ordinary shares to Clear Street LLC in connection with the Issuer's initial public offering, for the amount of $0.003 per share.

These Class B ordinary shares are held directly by the Sponsor, acquired pursuant to a subscription agreement dated as of December 16, 2025 by and among the Sponsor and the registrant. Shawn Matthews, the Chairman and Chief Executive Officer of the registrant, is the managing member of the Sponsor. Mr. Matthews has sole voting and dispositive control over the shares held by the Sponsor and may be deemed the beneficial owner of such shares. Mr. Matthews disclaims beneficial ownership over any securities owned by the Sponsor in which he does not have any pecuniary interest.