Announcement Highlights: Guo Tai Lin, Vice General Manager of Kweichow Moutai, Subject to Detention Measures; China Eastern Air Holding Group Intends to Increase Holdings of China Eastern Airlines A-shares by RMB 500 Million to 1 Billion Yuan

People’s Financial News, March 13 — [Important] Guizhou Moutai: Deputy General Manager Jiang Yan placed under detention for four consecutive days Huadian Energy: The company’s stock price surged significantly in the short term, with market sentiment overheating and risks of irrational speculation Riscon: The company’s stock price may face a decline after a sharp increase in the short term Hongjing Technology: The company’s recent operations are normal, with no undisclosed major issues [Increase/Decrease Holdings, Buybacks] China Eastern Airlines: The controlling shareholder China Eastern Group plans to increase holdings of A-shares by 500 million to 1 billion yuan Ding Sheng New Materials: Plans to buy back shares worth 70 million to 140 million yuan Inpact: Plans to buy back shares worth 56 million to 112 million yuan Tianwei Food: Plans to buy back shares worth 16 million to 32 million yuan Sano Medical: Plans to buy back shares worth 15 million to 30 million yuan Daqian Ecology: Shareholder Xinhua Distribution Group plans to reduce holdings by no more than 3% of the company’s shares Guo New Energy: Shareholder Hongzhan Real Estate plans to reduce holdings by no more than 2.0734% of the company’s shares TENGYUAN Cobalt: Changjiang Chendao plans to reduce holdings by no more than 2% of the company’s shares [Mergers & Acquisitions, Restructuring] Hengtong Co.: Plans to acquire 40% equity of Aolong Biological for 274 million yuan Jingwei Huikai: Plans to divest electronic information sector, expected to constitute a major asset restructuring Topstrong Integrated: Plans to acquire 51.5488% equity of Sidan, expanding business into the electronic information field Ulide: Plans to acquire 51% of XinCe Communication for up to 86 million yuan Huashu Technology: The controlling subsidiary plans to purchase zinc-based water system battery assets for 5.14139 million yuan Changfei Optical Fiber: The wholly owned subsidiary plans to subscribe for a 20.17% stake in FutureTech Stars Limited Partnership for 31.3 million HKD [Refinancing] Xinwei Communication: Plans to raise no more than 6 billion yuan through a private placement for projects including commercial satellite communication devices and components Vision China: Plans to apply for registration of no more than 400 million yuan in technological innovation bonds Cx Development: A targeted fundraising of 301 million yuan from the actual controller Lian Zongsheng [Equity Changes] Jian Design: Wang Kehua plans to transfer 5.73% of the company’s shares Zhongshan Public Utilities: The controlling shareholder Zhongshan Investment Control plans to transfer 5% of the company’s shares through an agreement Zhonggong Education: The shareholding ratio of the controlling shareholder and its concerted actors decreases to 13.36% [Operational Data] Zhongke Sanhuan: Performance brief for 2025 shows net profit of 91.3556 million yuan, up 660.80% YoY Core Micro Devices: Net profit for 2025 increased by 80.42% YoY, with a proposed dividend of 7 yuan per 10 shares Biyi Micro: Net profit for 2025 is 12.0754 million yuan, with a proposed dividend of 0.55 yuan per 10 shares Waigaoqiao Performance Brief: Net profit for 2025 decreased by 1.27% YoY Jufei Optoelectronics: Net profit for 2025 is 306 million yuan, down 9.96% YoY AVIC High-Tech: Net profit for 2025 decreased by 10.57% YoY, with a dividend of 2.23 yuan per 10 shares Huasheng Co.: Loss of 35.2162 million yuan in 2025, with a dividend of 0.1 yuan per 10 shares Junshi Biosciences: Net loss of 875 million yuan in 2025, with a reduction in losses Tianli Technology: Downgraded earnings forecast, expected net loss of 2 to 4 million yuan in 2025 Shanghai Airport: Passenger throughput at Pudong International Airport increased by 12.3% YoY in February China Nuclear Construction: New contracts signed in January-February totaled 9.109 billion yuan OCT: Achieved contract sales of 390 million yuan in February China Merchants Port: Container volume in February reached 16.466 million TEU, up 14.1% YoY Luxi Energy: Coal sales in February decreased by 10.42% YoY Huazhong Stock: Pig sales revenue in February increased by 34.04% YoY [Winning Contracts] China Power Construction: Subsidiary signed a general contracting construction contract worth approximately 5.456 billion yuan for Indonesia TMS nickel mine project Narui Radar: Signed a 231 million yuan weather radar equipment procurement contract Qiaoyin Co.: Pre-winning bid for urban sanitation project in Pingyi County [Major Investments] Weiming Environmental Protection: Consortium plans to invest no more than 175 million USD to build Bali project Yongtai Technology: Subsidiary plans to invest in hexafluorophosphate lithium salt modification and expansion project and new lithium supplement project Northern Rare Earth: Plans to establish a joint venture to build an annual production of 10,000 tons of cerium-containing neodymium-iron-boron magnetic materials project Wanfeng Co.: Plans to invest in a modified specialty engineering plastics manufacturing application project [Others] Tanfeng Securities: Received administrative regulatory decision from Hubei Securities Regulatory Bureau, suspending private equity product distribution for 2 years Watson Biotech: Subsidiary signed an overseas market strategic cooperation agreement SoftTech: The controlling subsidiary has completed maintenance and resumed production ST Chenming: The company’s five major production bases have fully resumed production Wanli Stone: The controlling subsidiary Tianjin Wanli Stone has fully halted work and production since March 12 Hoshine Silicon Industry: Subsidiary plans to sign SOI-related licensing agreement with SOITEC S.A. FiberHome Technologies: Decided to terminate participation in the investment and establishment of a fund partnership company Firefly Communications: Decided to cease participation in the investment and establishment of a fund partnership company Zhongwang Software: Received government subsidy of 14.8635 million yuan, accounting for 23.24% of the most recent audited net profit for one fiscal year Aibulu: The disclosure date of the 2025 annual report will be postponed to April 29 Chuangyuan Co.: Chairman Chen Gang is placed under detention; Director Hua Tian is authorized to perform duties Ta Pai Group: Plans to use no more than 4.6 billion yuan of idle funds for entrusted wealth management Kailai Ying: Plans to use no more than 4.5 billion yuan of idle funds to purchase financial products Rongsheng Development: Terminated the 2022 issuance of A-shares to specific targets Kangzhe Pharmaceuticals: New drug for renal anemia, Dexamethasone, approved for listing Huayi Pharmaceutical: Injectable Carfilzomib received drug registration certificate Xunta Medical: Enzalutamide partner product approved for listing Hengrui Medicine: Liposomal injection of Ilinotecan hydrochloride approved for Phase II clinical trial Roche: Uro华® new indication approved in China Fosun Pharma: FXS0683 tablets received clinical trial approval ST Renfu: Analgesic oxycodone controlled-release tablets accepted for listing application Microchip Biotech: Clinical trial approval for CS08399 tablets Sato Biotech: Application approved for the listing of dexamethasone for injection