/Announcement on Implementation of Dividend Distribution for the First Half of 2026
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Announcement on Implementation of Dividend Distribution for the First Half of 2026

Shanghai Stock Exchange
2026/09/08

Securities code: 603367 Securities abbreviation: Chenxin Pharmaceutical Announcement number: 2026-029

Chenxin Pharmaceutical Co., Ltd.

2026 Semi-annual Equity Distribution Implementation Announcement

The company's board of directors and all directors guarantee that the contents of this announcement do not contain any false records, misleading statements or major omissions, and assume legal responsibility for the authenticity, accuracy and completeness of its contents.

Important content reminder:

 Distribution ratio per share

Cash dividend per A share is 0.216 yuan (tax included)

 Relevant dates

Class of shares Equity registration date Last trading day Ex-rights (dividend) date Cash dividend payment date

A shares 2026/9/15 - 2026/9/16 2026/9/16  Differentiated dividend transfer: No

1. The session and date of the shareholders’ meeting that approved the distribution plan

The 2026 semi-annual profit distribution plan was authorized by the company's 2025 annual shareholders' meeting on May 7, 2026, and was reviewed and approved at the 14th meeting of the fifth board of directors held on August 24, 2026.

2. Distribution plan

  1. Disbursement year: Half year of 2026

  2. Assign objects:

As of the closing of the Shanghai Stock Exchange in the afternoon of the equity registration day, all shareholders of the company registered with the Shanghai Branch of China Securities Depository and Clearing Co., Ltd. (hereinafter referred to as "China Clearing Shanghai Branch").

  1. Distribution plan:

The profit distribution for the first half of 2026 is based on the company's total share capital of 452,754,129 shares before the implementation of the plan. A cash dividend of 0.216 yuan (tax included) will be distributed per share, and a total cash dividend of 97,794,891.86 yuan will be distributed.

3. Relevant dates

Class of shares Equity registration date Last trading day Ex-rights (dividend) date Cash dividend payment date

A shares 2026/9/15 - 2026/9/16 2026/9/16

4. Distribution Implementation Methods

  1. Implementation measures

The dividends of the non-restricted tradable shares are entrusted to China Clearing Shanghai Branch to be distributed through its fund clearing system to shareholders who are registered after the Shanghai Stock Exchange closes on the equity registration date and have completed designated transactions with each member of the Shanghai Stock Exchange. Investors who have completed designated transactions can receive cash dividends at their designated securities business department on the dividend distribution day. Shareholder dividends that have not completed designated transactions will be temporarily kept by China Securities Clearing Company Shanghai Branch and will be distributed after designated transactions are completed.

  1. Issue objects by yourself

The cash dividends of Chenxin Technology Group Co., Ltd., Tianjin Qianding Enterprise Management Partnership (Limited Partnership), Sichuan Kelun Pharmaceutical Co., Ltd., and Shijiazhuang No. 4 Pharmaceutical Co., Ltd., which are shareholders of the company's unrestricted shares, will be distributed by the company in accordance with relevant regulations.

  1. Tax deduction instructions

(1) For those who hold the company’s unrestricted tradable shares A Individual shareholders and securities investment funds who own shares, according to the "Notice on Issues Concerning the Implementation of Differentiated Personal Income Tax Policies on Dividends and Bonuses of Listed Companies" (Caishui [2012] No. 85) and the "Notice on Issues Concerning the Differentiated Personal Income Tax Policy on Dividends and Bonuses of Listed Companies" (Caishui [2012] 5] No. 101), if individuals or securities investment funds obtain shares of listed companies from the public issuance and transfer market, and the holding period exceeds one year, personal income tax will be temporarily exempted from dividend income; if the holding period is within one year (including one year), personal income tax will not be withheld for this dividend distribution. The actual cash dividend distributed this time was RMB 0.2160 per share. When individuals or securities investment funds transfer stocks after the equity registration date, China Securities Clearing Company Shanghai Branch will calculate the actual tax payable based on their shareholding period. Securities companies and other stock custody institutions will deduct the amount from the capital accounts of individuals and securities investment funds and transfer it to China Securities Clearing Company Shanghai Branch. China Securities Clearing Company Shanghai Branch will transfer it to the company within 5 working days of the next month. The company shall declare and pay to the competent tax authorities within the statutory reporting period of the month in which the tax is received.

The specific actual tax burden is: if the shareholding period is less than 1 month (including 1 month), the full amount of dividends and dividends will be included in the taxable income, and the actual tax burden is 20%; if the shareholding period is from more than 1 month to 1 year (including 1 year), 50% will be included in the taxable income, and the actual tax burden will be 10%; if the shareholding period exceeds 1 year, the dividends and dividends will be temporarily exempt from personal income tax.

(2) For those holding the company’s restricted tradable shares A According to the relevant provisions of the "Notice on Issues Concerning the Implementation of Differentiated Personal Income Tax Policies on Dividends and Dividends of Listed Companies" (Caishui [2012] No. 85) for individual shareholders and securities investment funds who own shares, dividends obtained after the ban is lifted will be taxed according to the provisions, and the shareholding period will be calculated from the date of the lifting of the ban; dividends obtained before the ban will continue to be temporarily reduced and included in taxable income at 50%, and a 20% tax rate will be applied to calculate personal income tax.

(3) For qualified foreign institutional investors ("QFII") shareholders who hold the Company's A shares, the Company will withhold and pay corporate income tax uniformly at a tax rate of 10% in accordance with the "Notice on Issues Concerning the Withholding and Payment of Corporate Income Tax on Dividends, Dividends and Interests paid by Chinese Resident Enterprises to QFIIs" (Guo Shuihan [2009] No. 47) promulgated by the State Administration of Taxation. The actual after-tax cash dividend per share is RMB 0.1944. If relevant shareholders believe that the dividends and bonus income they receive need to enjoy the benefits of any tax treaty (arrangement), they may apply to the competent tax authorities on their own after receiving the dividends and bonuses in accordance with regulations.

(4) For Hong Kong Stock Exchange investors (including enterprises and individuals) who invest in A-shares of companies on the Shanghai Stock Exchange ("Shanghai Stock Connect"), their dividends will be distributed in RMB by the company through China Clearing Shanghai Branch according to the account of the nominal holder of the stock. According to the relevant provisions of the "Notice of the Ministry of Finance, the State Administration of Taxation, and the China Securities Regulatory Commission on Tax Policies for the Pilot Program of the Shanghai-Hong Kong Stock Market Interconnection Mechanism" (Caishui [2014] No. 81), the company withheld and paid income tax at a tax rate of 10%, and the actual after-tax cash dividend per share was 0.1944 yuan. If relevant shareholders believe that the dividends and bonus income they receive need to enjoy the benefits of any tax treaty (arrangement), they may apply to the competent tax authorities on their own after receiving the dividends and bonuses in accordance with regulations.

(5) For other institutional investors and legal person shareholders who hold the company’s shares, the company will not withhold and pay corporate income tax. Their dividend income tax will be declared and paid by themselves in accordance with the provisions of tax laws. The company’s actual cash dividend distributed is RMB 0.2160 per share.

5. Consultation methods

This 2026 semi-annual equity distribution will be implemented. The company’s shareholders can consult on matters related to the implementation of this equity distribution through the following methods:

Contact Department: Corporate Securities Department

Contact number: 0537-2989906

Announcement is hereby made.

Board of Directors of Chenxin Pharmaceutical Co., Ltd.

September 8, 2026