--- page 1 --- 1 Unless otherwise defined herein, capitalised terms used in this announcement shall have the same meanings as those defined in the prospectus dated December 22, 2025 (the “Prospectus ”) issued by Shanghai Biren Technology Co., Ltd. (the “Company ”). Hong Kong Exchanges and Clearing Limited, The Stock Exchange of Hong Kong Limited (the “Stock Exchange ”) and Hong Kong Securities Clearing Company Limited ( “HKSCC ”) take no responsibility for the contents of this announcement, make no representation as to its accuracy or completeness and expressly disclaim any liability whatsoever for any loss howsoever arising from or in reliance upon the whole or any part of the contents of this announcement. This announcement is not for release, publication, distribution, directly or indirectly, in or into the United States (including its territories and possessions, any state of the United States and the District of Columbia). This announcement does not constitute or form a part of any offer or solicitation to purchase or subscribe for securities in Hong Kong, the United States or elsewhere. The Offer Shares have not been, and will not be, registered under the United States Securities Act of 1933 as amended from time to time (the “U.S. Securities Act ”). The Offer Shares may not be offered or sold in the United States except pursuant to an exemption from the registration requirements of the U.S. Securities Act. There will be no public offer of the Offer Shares in the United States. The Offer Shares are being offered and sold outside the United States in offshore transactions in reliance on Regulation S under the U.S. Securities Act. This announcement is for information purposes only and does not constitute an invitation or offer to acquire, purchase or subscribe for securities. This announcement is not a prospectus. Potential investors should read the Prospectus for detailed information about the Global Offering described below before deciding whether or not to invest in the H Shares thereby being offered. Shanghai Biren Technology Co., Ltd. ʮ̡ (A joint stock company incorporated in the People ’s Republic of China with limited liability) (Stock Code: 6082) SUPPLEMENTAL ANNOUNCEMENT Reference is made to the clarification announcement dated January 2, 2026 (the “January 2 Announcement ”) in relation to the announcement on final offer price and allotment results (the “ARA”) issued by Shanghai Biren Technology Co., Ltd. (the “Company ”) on December 31, 2025. The Company wishes to clarify and update the following information in the Chinese version of the January 2 Announcement (the “Chinese January 2 Announcement ”) as follows. The clarifications and updates do not affect all the information and contents of the English version of the January 2 Announcement, which remain unchanged: (i) the following Chinese translation for the tables under the section headed “Placee Concentration Analysis ”, “Shareholder Concentration Analysis ” and “H Shareholder Concentration Analysis ” on pages 19 to 21 of the Chinese January 2 Announcement, shall be amended and replaced by the following (with changes compared to the ARA published on December 31, 2025 underlined): --- page 2 --- 2 承配人集中度分析 承配人* 配發股份數目 配發佔國際發售的百分比(假設發售量調整權獲悉數行使及超額配股權未獲行使) 配發佔國際發售的百分比(假設發售量調整權獲悉數行使及超額配股權獲悉數行使且發行新股份) 配發佔發售股份總數的百分比(假設發售量調整權獲悉數行使及超額配股權未獲行使) 配發佔發售股份總數的百分比(假設發售量調整權獲悉數行使及超額配股權獲悉數行使且發行新股份) 上市後所持股份數目配發佔國際發售的百分比(假設超額配股權獲悉數行使) 佔上市後已發行股份總數的百分比(假設發售量調整權獲悉數行使及超額配股權未獲行使)配發佔發售股份總數的百分比(假設超額配股權獲悉數行使) 佔上市後已發行股本總數的百分比(假設發售量調整權獲悉數行使及超額配股權獲悉數行使且發行新股份)配發佔上市後已發行股本總額的百分比( 假 設超額配股權獲悉數行使且發行新股份) 最大 31,769,600 13.5013% 11.4265% 11.1532% 9.6985% 1.3259% 52,166,600 11.4265% 2.1771% 9.6985% 2.1390% 1.3026% 前 5 77,438,400 32.9094% 27.8521% 27.1860% 23.6400% 3.2318% 189,608,800 27.8521% 7.9131% 23.6400% 7.7745% 3.1752% 前 10 111,685,200 111,098,000 47.4634% 47.2139% 40.1695% 39.2089% 39.0027% 34.0947% 4.6366% 223,855,600 39.9583% 9.3424% 33.9155% 9.1787% 4.5553% 前 25 172,172,600 171,226,600 73.1690% 72.7670% 61.9248% 60.4440% 60.1119% 52.5600% 7.1460% 344,812,100 61.5846% 14.3904% 52.2712% 14.1383% 7.0208% 附註 *承配人排名乃按配發予相關承配人的發售股份數目而定。 --- page 3 --- 3 H 股股東集中度分析 股東* 配發股份數 目 配發佔國際 發售的百分 比( 假設超 額配股權未 獲行使) 配發佔國際 發售的百分 比(假設超 額配股權獲 悉數行使且 發行新股 份) 配發佔發售 股份總數的 百分比( 假 設超額配股 權未獲行 使) 配發佔發售 股份總數的 百分比(假 設超額配股 權獲悉數行 使且發行新 股份) 上市後持有 的股份數目 佔上市後已 發行股本總 額的百分比 (假設超額 配股權未獲 行使) 佔上市後已 發行股本總 額的百分比 ( 假設超額 配股權獲悉 數行使且發 行新股份) 上市時持有 的股份數目 最大 - 0.0000% 0.0000% 0.0000% 0.0000% - 0.0000% 0.0000% 374,396,200 前 5 13,904,800 5.9092% 4.2448% 4.8815% 4.2448% 144,944,424 6.0491% 5.9431% 731,870,750 前 10 17,459,400 7.4198% 5.3299% 6.1294% 5.3299% 255,102,124 10.6464% 10.4599% 1,068,309,150 前 25 59,454,600 25.2667% 18.1500% 20.8725% 18.1500% 694,108,024 28.9679% 28.4604% 1,667,719,550 H 股股東* 配發 H 股數 目 配發佔國際發售的百分比(假設發售量調整權獲悉數行使及超額配股 權未獲行 使) 配發佔國際發售的百分比(假設發售量調整權獲悉數行使及超額配股權獲悉數行使且新 H 股 已獲發行) 配發佔發售股份總數的百分比(假設發售量調整權獲悉數行使及超額配股權未獲 行使) 配發佔發售股份總數的百分比(假設發售量調整權獲悉數行使及超額配股權獲悉數行使且新 H 股已獲發 行) 上市後所持 H 股數目 佔上市後已發行 H 股股 本總額的百分比(假設發售量調整權獲悉數行使及超額配股權未獲行 使) 佔上市後已發行 H 股股 本總額的百分比(假設發售量調整權獲悉數行使及超額配股權獲悉數行使且新 H 股已獲發 行) 上市後所持 股份總數 最大 13,899,200 5.9068% 4.9991% 4.8795% 4.2431% 59,785,900 5.1623% 4.9787% 105,672,600 前 5 59,151,400 25.1379% 21.2748% 20.7661% 18.0574% 263,389,000 22.7428% 21.9336% 337,651,900 前 10 59,355,400 25.2246% 21.3482% 20.8377% 18.1197% 467,214,774 40.3426% 38.9072% 644,689,450 前 25 63,828,600 27.1256% 22.9571% 22.4081% 19.4853% 819,472,624 70.7590% 68.2413% 1,105,951,350 附註 *H 股股東排名乃按相關股東在上市後持有的股份數目而定。 --- page 4 --- 4 H 股股東集中度分析 H 股股東* 配發股份數 目 配發佔國際 發售的百分 比( 假設超 額配股權未 獲行使) 配發佔發售 股份總數的 百分比( 假 設超額配股 權未獲行 使) 上市後持有 的 H 股股份 數目 H 股佔上市 後已發行股 本總額的百 分比(假設 超額配股權 未獲行使) 上市後持有的股份數目 佔上市後已發行股本總額的 百分比(假設超額配股權未 獲行使) 最大 13,899,200 5.9068% 4.8795% 59,785,900 2.4951% 105,632,600 4.4085% 前 5 59,151,400 25.1379% 20.7661% 263,429,000 10.9939% 337,651,900 14.0915% 前 10 59,355,400 25.2246% 20.8377% 467,254,774 19.5004% 644,689,450 26.9054% 前 25 63,828,600 27.1256% 22.4081% 819,512,624 34.2015% 1,105,951,350 46.1557% 股東* 配發 H 股數 目 配發佔國際發售的百分比(假設發售量調整權獲悉數行使及超額配股 權未獲行 使) 配發佔國際發售的百分比(假設發售量調整權獲悉數行使及超額配股權獲悉數行使且新 H 股 已發行) 配發佔發售股份總數的百分比(假設發售量調整權獲悉數行使及超額配股權未獲 行使) 配發佔發售股份總數的百分比(假設發售量調整權獲悉數行使及超額配股權獲悉數行使且新 H 股已發 行) 上市後所持 H 股數目 上市後所持股 份總數 佔上市後已發行股本總額的百分比(假設發售量調整權獲悉數行使及超額配股權未獲行使) 佔上市後已發行股本總額的百分比(假設發售量調整權獲悉數行使及超額配股權獲悉數行使且新 H 股已 發行) 最大 - 0.0000% 0.0000% 0.0000% 0.0000% - 374,396,200 15.6250% 15.3513% 前 5 13,904,800 5.9092% 5.0011% 4.8815% 4.2448% 144,944,424 731,870,750 30.5438% 30.0087% 前 10 17,459,400 7.4198% 6.2796% 6.1294% 5.3299% 255,102,124 1,068,309,150 44.5847% 43.8037% 前 25 59,454,600 25.2667% 21.3839% 20.8725% 18.1500% 694,108,024 1,667,679,550 69.5988% 68.3795% 附註 *股東排名乃按相關股東在上市後持有的股份(所有類別)數目而定。 --- page 5 --- 5 (ii) the following Chinese translation for the relevant disclosure in relation to the CSI Ultimate Clients under note 3 to the section headed “Others/Additional Information – Placing to connected clients with a prior consent under paragraph 1C(1) of the Placing Guidelines ” on pages 34 to 35 of the Chinese January 2 Announcement, shall be amended and replaced by the following (with changes compared to the ARA published on December 31, 2025 underlined); (i)ᆵԯၲ㛬ӷ෍ᗇՎҳ༟ਿ eᆵԯၲ㛬 2eᆵԯ൭ซ 1eᆵԯጳձ 1໮ӷ෍ fৰ Zhuang Taoᆵԯጳձ 1Ϟ 30%˸ɪᛆू̮d ϞՉ 30%˸ɪᛆूi n ʿ(iv) HY Capital Company LimitedϞՉ 30%މXia Hui ʿLu Angi (v)ܼa) ੰਟᅃ105ږ މDing Ying d(b) ੰਟ ᅃ108މHuang Xiaolei d(c) ੰਟᅃ 110 ໮ӷ෍ᗇ މGuo Hongqii (d) ੰਟᅃ106ӷ෍ᗇՎҳ༟ eੰਟᅃ 003֛2ӷ෍ᗇՎҳ eੰਟᅃձˬ 1d฿ೌ௰ ϞՉ 30%˸ɪᛆूiʿ (vi)ϞՉ 30%މMa Fuquane Ma Hanxi ʿMa Hanyongʮ̡၍ଣf (iii) the following Chinese translation for the relevant disclosure in relation to the HTCI Ultimate Clients under note 7 to the section headed “Others/Additional Information – Placing to connected clients with a prior consent under paragraph 1C(1) of the Placing Guidelines ” on page 38 of the Chinese January 2 Announcement, shall be amended and replaced by the following (with changes compared to the ARA published on December 31, 2025 underlined); މi)ϞՉ 30%௰ މSun Yiyanӷ෍ਿ ᒀеʿΝจ ΅ ɛɻ™ ɓື i(ii)ϞՉ 30%௰୞ྼूኹ މHuang Yanfeng ʿWang Can i(iii)ϞՉ 30%˸ɪ މZhong Shanshan i(iv)ʮ̡ʿ ν €Jin Haitaoږ30%ӷ €Ding Xiangqinږ30%ჾ਑ӷ෍ᗇՎҳ Ϟ༈ྼ᜗30%˸ɪᛆूi(v)˥ 1໮ӷ෍ᗇՎҳ༟ i (vi )ϞՉ΢І 30%א މYao Kuizhang ʿFan Zhaolin f --- page 6 --- 6 (iv) due to technical issue, the last page of the Chinese version of the ARA was omitted in the Chinese January 2 Announcement. There is no change to the information contained in such page of the ARA published on December 31, 2025. For completeness, the whole Chinese version of the ARA is reproduced in the Chinese version of this announcement for reference. For the English version of the ARA, please refer to the English version of the January 2 Announcement published by the Company (https://www1.hkexnews.hk/listedco/listconews/ sehk/2026/0102/2026010203368.pdf). Save for the aforesaid, all the information and contents of the Chinese ARA remain unchanged. By Order of the Board Shanghai Biren Technology Co., Ltd. ʮ̡ Mr. ZHANG WEN Chairman of the Board, executive Director and Chief Executive Officer Shanghai, January 4, 2026 As of the date of this announcement, the Board comprises: (i) Zhang Wen, Hong Zhou, Zhang Linglan, Xiao Bing and Pan Luting as executive Directors; (ii) Liu Jingguo as a non-executive Director; and (iii) Wang Yuan, Lam Siu Wing and Liu Jin as independent non-executive Directors.