X0609 4 2026-05-15 0 0002081515 Berto Acquisition Corp. II GUAC 0002079341 You Robert false C/O BERTO ACQUISITION CORP. II 1180 NORTH TOWN CENTER DRIVE, SUITE 100 LAS VEGAS NV 89144 0 1 0 0 President and CFO 0 Ordinary Shares 2026-05-15 4 J 0 203090 0 A 2215590 D On May 15, 2026, Berto Acquisition Corp. II (the "Issuer") effected a share capitalization, resulting in the issue and allotment of 203,090 ordinary shares to the Reporting Person herein. The ordinary shares reported herein include up to 26,490 ordinary shares subject to forfeiture to Issuer depending on the extent to which the underwriters' over-allotment option is exercised in connection with the Issuer's initial public offering of units, as described in the Issuer's Registration Statement on Form S-1 (File No. 333-295343) (the "Registration Statement"). The ordinary shares reported herein include up to 302,427 ordinary shares subject to forfeiture to Issuer depending on the extent to which the underwriters' over-allotment option is exercised in connection with the Issuer's initial public offering of units, as described in the Issuer's Registration Statement. /s/ Robert You, Name: Robert You 2026-05-15