X0609 4 2026-09-08 0 0002025341 Andretti Acquisition Corp. II POLE 0002032960 Andretti Sponsor II LLC false 100 KIMBALL PLACE, SUITE 550 ALPHARETTA GA 30009 0 0 1 0 0002031378 Andretti Mario false 100 KIMBALL PLACE, SUITE 550 ALPHARETTA GA 30009 0 0 1 0 0001685577 ANDRETTI MICHAEL false 100 KIMBALL PLACE, SUITE 550 ALPHARETTA GA 30009 1 0 1 0 0001527678 SANDBROOK WILLIAM J false 100 KIMBALL PLACE, SUITE 550 ALPHARETTA GA 30009 1 1 1 0 Executive Chairman 0001556095 Brown William Matthew false 100 KIMBALL PLACE, SUITE 550 ALPHARETTA GA 30009 0 1 1 0 CEO 0 Class A Ordinary Shares 2026-09-08 4 C 0 5749999 A 5749999 D Class B Ordinary Shares 2026-09-08 4 C 0 5749999 0 D Class A Ordinary Shares 5749999 1 D The Class B ordinary shares are convertible, at the option of the holder, into Class A ordinary shares on a one-for-one basis, for no additional consideration, and have no expiration date. On September 8, 2026, the reporting persons elected to convert 5,749,999 Class B ordinary shares of Andretti Sponsor II LLC (the "Sponsor") into 5,749,999 Class A ordinary shares held by Andretti Acquisition Corp. II. Mario Andretti, Michael M. Andretti, William J. Sandbrook and William M. Brown are the managing members of the Sponsor and have voting and investment discretion with respect to the securities held of record by the Sponsor. As such, Mario Andretti, Michael M. Andretti, William J. Sandbrook and William M. Brown may be deemed to have beneficial ownership of the securities held of record by the Sponsor. Mario Andretti, Michael M. Andretti, William J. Sandbrook and William M. Brown disclaim any beneficial ownership except to the extent of their respective pecuniary interests therein. /s/ William M. Brown, Managing Member of Andretti Sponsor II LLC 2026-09-09 /s/ William M. Brown 2026-09-09 /s/ Mario Andretti 2026-09-09 /s/ Michael M. Andretti 2026-09-09 /s/ William J. Sandbrook 2026-09-09