SCHEDULE 13G/A 0001104659-19-053183 0001783464 XXXXXXXX LIVE 3 Common Stock 03/03/2026 0000004977 AFLAC INC 001055102 1932 WYNNTON ROAD COLUMBUS GA 31999 Rule 13d-1(c) Japan Post Holdings Co., Ltd. M0 0.00 0.00 0.00 52280700.00 52280700.00 N 10.12 FI Percent of class shown in Row 11 is based on 516,369,452 shares of common stock of Aflac Inc. (the "Issuer"), par value $0.10 per share ("Common Stock") outstanding as of February 16, 2026, as reported in the Issuer's Form 10-K filed with the Securities and Exchange Commission (the "SEC") on February 25, 2026. J&A Alliance Holdings Corporation DE 0.00 52280700.00 0.00 52280700.00 52280700.00 N 10.12 CO Percent of class shown in Row 11 is based on 516,369,452 shares of Common Stock outstanding as of February 16, 2026, as reported in the Issuer's Form 10-K filed with the SEC on February 25, 2026. General Incorporated Association J&A Alliance M0 0.00 52280700.00 0.00 0.00 52280700.00 N 10.12 FI Percent of class shown in Row 11 is based on 516,369,452 shares of Common Stock outstanding as of February 16, 2026, as reported in the Issuer's Form 10-K filed with the SEC on February 25, 2026. Kenji Sano M0 0.00 52280700.00 0.00 0.00 52280700.00 N 10.12 IN Percent of class shown in Row 11 is based on 516,369,452 shares of Common Stock outstanding as of February 16, 2026, as reported in the Issuer's Form 10-K filed with the SEC on February 25, 2026. AFLAC INC 1932 WYNNTON RD, COLUMBUS, GA 31999 Japan Post Holdings Co., Ltd. J&A Alliance Holdings Corporation General Incorporated Association J&A Alliance Kenji Sano Yoshiyuki Koiwa, previously a filing person, passed away in 2024 and, as a result, is no longer a holder of equity interests in General Incorporated Association J&A Alliance. As a result, he is no longer a filing person to this Schedule 13G. Japan Post Holdings Co., Ltd. 2-3-1, Otemachi, Chiyoda-ku Tokyo 100-8791, Japan J&A Alliance Holdings Corporation c/o J&A Alliance Trust 1501 North Tower, Yurakucho Denki Building 7-1, Yurakucho 1-chome Chiyoda-ku, Tokyo 100-0006, Japan General Incorporated Association J&A Alliance Tokyo Kyodo Accounting Office 1-4-1 Marunouchi, Chiyoda-ku Tokyo 100-0005, Japan Kenji Sano c/o General Incorporated Association J&A Alliance Tokyo Kyodo Accounting Office 1-4-1 Marunouchi, Chiyoda-ku Tokyo 100-0005, Japan J&A Alliance Holdings Corporation is a corporation organized under the laws of the State of Delaware. General Incorporated Association J&A Alliance is a general incorporated association organized under the laws of Japan. Japan Post Holdings Co., Ltd. is a corporation organized under the laws of Japan. Kenji Sano is a citizen of Japan. Y 52,280,700 shares of Common Stock are held directly by J&A Alliance Holdings Corporation ("J&A Holdings"), in its capacity as the trustee of the J&A Alliance Trust (the "Trust"). General Incorporated Association J&A Alliance ("General Incorporated") and Kenji Sano each may be deemed to beneficially own the securities held by J&A Holdings (in its capacity as trustee of the Trust) because (i) General Incorporated owns J&A Holdings and (ii) Kenji Sano owns 100% of the equity interests in General Incorporated. Japan Post Holdings Co., Ltd. ("Japan Post") may be deemed to beneficially own the shares of common stock owned directly by J&A Holdings, in its capacity as the trustee of the Trust, due to its role as the sole settlor and beneficiary of the Trust. Each of General Incorporated, Kenji Sano and Japan Post expressly disclaim beneficial ownership of the reported securities except to the extent of its pecuniary interest therein. 10.12 See Item 4(a). See Item 4(a). See Item 4(a). See Item 4(a). Y Y Y Y Y N By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11. Japan Post Holdings Co., Ltd. /s/ Nobuyasu Kato 03/05/2026 J&A Alliance Holdings Corporation /s/ Hiroki Moriyama 03/05/2026 General Incorporated Association J&A Alliance /s/ Kenji Sano 03/05/2026 Kenji Sano /s/ Kenji Sano 03/05/2026