February 27, 2026 Shanghai

Hansoh Pharmaceutical Group Co., Ltd. (Hansoh Pharma, 03692.HK) today announces that the New Drug Application (NDA) of the Group’s innovative drug Dalmelitinib Mesylate Tablets in combination with Aumolertinib Mesylate Tablets (Ameile 阿美乐^®), has been accepted by the National Medical Products Administration (NMPA) of China for the treatment of patients with locally advanced or metastatic epidermal growth factor receptor (“EGFR”) mutation-positive non-small cell lung cancer (NSCLC) whose tumors have mesenchymal to epithelial transition factor (“MET”) amplification after prior EGFR tyrosine kinase inhibitor (“TKI”) therapy.

Dalmelitinib Mesylate Tablets (HS-10241) is an oral administered, highly selective c-MET TKI self-developed by the Group.

About Hansoh Pharma

Hansoh Pharma is a leading innovation-driven pharmaceutical enterprise headquartered in China. With the mission of "continuous innovation for better life", the company focuses on major disease therapeutic areas such as oncology, anti-infectives, central nervous system (CNS), metabolism and autoimmunity. Hansoh Pharma has launched 7 innovative drugs that generate product sales in China, with the revenue from innovative drugs and collaborative products exceeding 80%, forming a rich product pipeline. The company has consistently ranked among the top 100 global pharmaceutical companies and is recognized as one of the top 3 pharmaceutical R&D enterprises in China, and is designated as a National Key High-Tech Enterprise and a National Technology Innovation Demonstration Enterprise. Hansoh Pharma was listed on the Hong Kong Stock Exchange in June 2019 (stock code: 03692.HK).

Statements

1. This announcement is intended for healthcare professionals only and not for advertising purposes.

2. Hansoh Pharma does not recommend the use of any unapproved drugs or off-label indications, nor does it make recommendations regarding any drug or indication.

3. The information provided in this announcement is for reference only; please follow the advice or guidance of a physician or other healthcare professional. Any treatment-related decisions made by healthcare professionals should be based on the specific circumstances of the patient and should be used in accordance with the instructions for the drug.

4. For more detailed information about any company products, medical treatments, or diseases, please consult a healthcare professional.

Forward-Looking Statements

This press release is intended to provide information about Hansoh Pharmaceutical Group Co., Ltd. and its affiliates, including their subsidiaries (collectively referred to as  "Hansoh Pharma"). It does not constitute a disclosure of information about Hansoh Pharma or any investment recommendations.

The information contained in this release may include forward-looking statements related to Hansoh Pharma's business and product prospects, as well as its plans, beliefs, expectations, and strategies. These statements are predictions based on speculative assumptions and are not guarantees of future performance. They are subject to risks and uncertainties, such as scientific, commercial, political, economic, financial, legal factors as well as competitive environment and social conditions, many of which are beyond Hansoh Pharma's control and difficult to predict, thus actual results may differ significantly from what is stated here, and past securities price trends should not be used as a guide for future market conditions. As such, investors should exercise caution when using this information to make investment decisions. Phrases such as "commit," "expect," "believe," "predict," "anticipate," "forecast," "intent,"“project,” “may,” “will,” “should,” “plan,” “could,” “continue,” “target,” “contemplate,” “estimate,” “guidance,” “possible,” “potential,” “pursue,”“likely,”and words and terms of similar terms substance used in connection with any discussion of future plans, actions or events indicate forward-looking statements.

Hansoh Pharma does not commit to or guarantee the accuracy, timeliness, or completeness of forward-looking information and assumes no obligation to update or revise these forward-looking statements. Neither Hansoh Pharma nor any of its directors, employees, or agents will be responsible for any forward-looking statements that prove to be inaccurate or unachievable and any losses or damages incurred by users due to reliance on the information provided herein, including but not limited to direct, incidental, indirect, or punitive damages.

All information in this press release is current as of the date of release. Hansoh Pharma assumes no responsibility to update or revise this information in light of new developments, future events, or other circumstances, except as required by law. Additionally, Hansoh Pharma reserves the right to make changes, corrections, or discontinuations to all or part of the content of this press release at any time without notice. For information specifically related to the listed company, investors are encouraged to refer to the announcements and financial reports of Hansoh Pharma (03692.HK).