Announcement on Increasing the Total Amount of Raised Funds and Adjusting the Issuance Plan for the Company's 2026 Private Placement of A Shares

Stock Code: 300142 Stock Abbreviation: Wason Bio Announcement No.: 2026-064

Yunnan Wason Bio-Pharmaceutical Co., Ltd.

Announcement on Increasing the Total Amount of Raised Funds and Adjusting the Issuance Plan for the Company's 2026 Private Placement of A Shares

The company and all members of the board of directors guarantee the truthfulness, accuracy, and completeness of the information disclosed, and are free from false records, misleading statements, or significant omissions.

Important Reminders:

1. Yunnan Wason Bio-Pharmaceutical Co., Ltd. (hereinafter referred to as the "Company," "Issuer," or "Wason Bio") held its third meeting of the sixth board of directors on March 17, 2026, and its second extraordinary shareholders' meeting in 2026 on April 3, 2026. The relevant proposals for the Company's 2026 private placement of shares (hereinafter referred to as the "Current Offering") were considered and approved. For details, please refer to the relevant announcements disclosed by the Company on the Giant Information Network (www.cninfo.com.cn).

2. On August 3, 2026, the Company held the seventh meeting of the sixth board of directors, which considered and approved the "Proposal on Increasing the Total Amount of Raised Funds and Adjusting the Issuance Plan for the Company's 2026 Private Placement of A Shares." The total amount of raised funds, pricing benchmark date, issuance price, and issuance size for the Current Offering have been adjusted. The adjusted total amount of raised funds, pricing benchmark date, issuance price, and issuance size are as follows: the total amount of raised funds shall not exceed RMB 220,317.19 million; the pricing benchmark date for the Current Offering shall be the first day of the offering period; the issuance price shall be 80% of the average daily trading price of the Issuer's shares in the 20 trading days prior to the pricing benchmark date (average daily trading price of shares in the 20 trading days prior to the pricing benchmark date = total trading volume of shares in the 20 trading days prior to the pricing benchmark date / total trading volume of shares in the 20 trading days prior to the pricing benchmark date); the issuance size shall be determined by dividing the total amount of raised funds by the issuance price (if the calculation result is less than 1 share, the fractional part shall