Ownership Filing for Aflac Inc.

Japan Post Holdings Co., Ltd. has reported beneficial ownership of 50,898,490 shares of Aflac Inc. common stock. These shares are held indirectly through J&A Alliance Holdings Corporation, which acts as the trustee for the J&A Alliance Trust. The filing indicates that General Incorporated Association J&A Alliance, Kenji Sano, and Tetsuya Numaguchi may also be considered beneficial owners due to their relationship with J&A Holdings and General Incorporated. Japan Post Holdings Co., Ltd. is the sole settlor and beneficiary of the Trust. The reporting owner, Japan Post Holdings Co., Ltd., is identified as a ten percent owner. The Power of Attorney document, incorporated by reference, was filed on July 10, 2026. The signature date on the filing is August 13, 2026.