Rating as of Oct. 29, 2025 Rating Amount (bil. ¥) Coupon type Legal final maturity date Overcollateralization ratio (%) § AAA (sf) 28.6 1.63% Nov. 10, 2060 23.3 §We define the overcollateralization ratio as: 1-(A+B)/(C-D-E); A: the rated obligations and equally ranked obligations; B: prior obligations to the rated obligations; C: underlying assets (including cash); D: liquidity reserves; E: obligations, except for senior, mezzanine, or subordinate obligations (seller's interest, etc.). The ratio in this report represents the transaction structure's minimum maintenance ratio for the overcollateralization of pro rata pay. Profile Expected closing date Oct. 29, 2025 Collateral An entrusted pool of residential mortgage loans Originator/Servicer Japan Housing Finance Agency Collateral trustee Sumitomo Mitsui Trust Bank Ltd. Beneficiary representative Sumitomo Mitsui