X0609 4 2026-09-21 0 0002123955 Pinnacle Acquisition Corp PNAQ 0001429442 RECHTSCHAFFEN ANDREW false C/O PINNACLE ACQUISITION CORPORATION 375 SOUTH COUNTY ROAD, SUITE 220 PALM BEACH FL 33480 1 0 1 0 0 Class B Ordinary Shares 2026-09-21 4 J 0 750000 D Class A Ordinary Shares 750000 5000000 I By PAC Sponsor, LLC As described in the Registration Statement on Form S-1 (File No. 333-297618) of Pinnacle Acquisition Corporation (the "Issuer") under the heading "Description of Securities--Founder Shares," the Class B ordinary shares will automatically convert into Class A ordinary shares at the time of the Issuer's initial business combination, or at any time prior to the Issuer's initial business combination, at the option of the holder, on a one-for-one basis, subject to certain adjustments. The Class B ordinary shares have no expiration date. As contemplated in connection with the initial public offering of the Issuer, as a result of the underwriters' choice of not to exercise of the over-allotment option, 750,000 Class B Ordinary Shares were surrendered by PAC Sponsor, LLC (the "Sponsor") to the Issuer for no consideration. Represents shares held by the Sponsor. Steven K. Hudson and AVR Capital Holdings, LLC, an affiliate of Andrew Rechtschaffen, are the co-managing members of the Sponsor and control the management of the Sponsor, including the exercise of voting and investment discretion over the securities held by the Sponsor. /s/ Andrew Rechtschaffen 2026-09-23