QFIN

Item 4 of the Original 13D Filing is hereby amended and supplemented by the addition of the following: From December 2023 to December 2025, Aerovane Company Limited purchased 3,567,778 Class A Ordinary Shares in the form of ADSs in the open market for a total purchase price of approximately $46.1 million, exclusive of any fees, commissions or other expenses. The purchases made in December 2025 aggregated with the prior purchases exceeded 1% of the outstanding Class A Ordinary Shares of the Company and triggered filing obligations under Rule 13d-2. All these open market purchases demonstrate Aerovane Company Limited's confidence in the value of the Issuer. In December, 2025, Mr. Hongyi Zhou and his children Mr. Henry Zhiheng Zhou and Ms. Risa Ruoshan Zhou entered into a termination letter, pursuant to which the agreement among them that entitled Mr. Hongyi Zhou to shared voting and dispositive power together with his children relating to the Class A Ordinary Shares (including in the form of ADSs) held by Aerovane Company Limited has been terminated. As such, Mr. Zhou ceased to be deemed to beneficially own any Class A Ordinary Shares (including in the form of ADSs) held directly by Aerovane Company Limited.

Item 4 of the Original 13D Filing is hereby amended and supplemented by the addition of the following: From December 2023 to December 2025, Aerovane Company Limited purchased 3,567,778 Class A Ordinary Shares in the form of ADSs in the open market for a total purchase price of approximately $46.1 million, exclusive of any fees, commissions or other expenses. The purchases made in December 2025 aggregated with the prior purchases exceeded 1% of the outstanding Class A Ordinary Shares of the Company and triggered filing obligations under Rule 13d-2. All these open market purchases demonstrate Aerovane Company Limited's confidence in the value of the Issuer. In December, 2025, Mr. Hongyi Zhou and his children Mr. Henry Zhiheng Zhou and Ms. Risa Ruoshan Zhou entered into a termination letter, pursuant to which the agreement among them that entitled Mr. Hongyi Zhou to shared voting and dispositive power together with his children relating to the Class A Ordinary Shares (including in the form of ADSs) held by Aerovane Company Limited has been terminated. As such, Mr. Zhou ceased to be deemed to beneficially own any Class A Ordinary Shares (including in the form of ADSs) held directly by Aerovane Company Limited.

Item 4 of the Original 13D Filing is hereby amended and supplemented by the addition of the following: From December 2023 to December 2025, Aerovane Company Limited purchased 3,567,778 Class A Ordinary Shares in the form of ADSs in the open market for a total purchase price of approximately $46.1 million, exclusive of any fees, commissions or other expenses. The purchases made in December 2025 aggregated with the prior purchases exceeded 1% of the outstanding Class A Ordinary Shares of the Company and triggered filing obligations under Rule 13d-2. All these open market purchases demonstrate Aerovane Company Limited's confidence in the value of the Issuer. In December, 2025, Mr. Hongyi Zhou and his children Mr. Henry Zhiheng Zhou and Ms. Risa Ruoshan Zhou entered into a termination letter, pursuant to which the agreement among them that entitled Mr. Hongyi Zhou to shared voting and dispositive power together with his children relating to the Class A Ordinary Shares (including in the form of ADSs) held by Aerovane Company Limited has been terminated. As such, Mr. Zhou ceased to be deemed to beneficially own any Class A Ordinary Shares (including in the form of ADSs) held directly by Aerovane Company Limited.

Item 4 of the Original 13D Filing is hereby amended and supplemented by the addition of the following: From December 2023 to December 2025, Aerovane Company Limited purchased 3,567,778 Class A Ordinary Shares in the form of ADSs in the open market for a total purchase price of approximately $46.1 million, exclusive of any fees, commissions or other expenses. The purchases made in December 2025 aggregated with the prior purchases exceeded 1% of the outstanding Class A Ordinary Shares of the Company and triggered filing obligations under Rule 13d-2. All these open market purchases demonstrate Aerovane Company Limited's confidence in the value of the Issuer. In December, 2025, Mr. Hongyi Zhou and his children Mr. Henry Zhiheng Zhou and Ms. Risa Ruoshan Zhou entered into a termination letter, pursuant to which the agreement among them that entitled Mr. Hongyi Zhou to shared voting and dispositive power together with his children relating to the Class A Ordinary Shares (including in the form of ADSs) held by Aerovane Company Limited has been terminated. As such, Mr. Zhou ceased to be deemed to beneficially own any Class A Ordinary Shares (including in the form of ADSs) held directly by Aerovane Company Limited.