X0609 4 2026-06-06 0 0002112446 JATT II Acquisition Corp. JATT 0001870329 Sidhu Someit false 153 CENTRAL AVENUE C/O 56 WESTFIELD NJ 07091 1 1 1 0 Chief Executive Officer 0 Ordinary Shares 2026-06-06 4 J 0 225000 0 D 1800000 I See Footnote 225,000 Ordinary Shares were forfeited to the Issuer by JATT Ventures II L.P. (the "Sponsor") at no cost, in connection with the expiration of the remaining portion of the underwriters' over-allotment option as described in the Registration Statement. The Sponsor is the record holder of the securities reported herein. The Sponsor is the sole general partner of JATT Ventures II L.P., and Dr. Someit Sidhu is a limited partner of the Sponsor. Dr. Someit Sidhu is also the sole member of JATT Ventures II Ltd. Dr. Someit Sidhu has voting and investment discretion with respect to the ordinary shares held of record by the Sponsor. Dr. Someit Sidhu disclaims any beneficial ownership of the securities held by the Sponsor other than to the extent of any pecuniary interest he may have therein, directly or indirectly. /s/ Someit Sidhu 2026-06-30