Denox Environmental & Technology Holdings Limited will convene its annual general meeting at 10:00 a.m. on 18 June 2026 in Beijing (Room 1506-1, 12/F, Block 2, No. 128 Western South Fourth Ring Road, Fengtai District, Beijing 100070, PRC).

Key agenda items include:

1. Financial Reporting • Shareholders will vote on adopting the audited consolidated financial statements and directors’ and auditors’ reports for the year ended 31 December 2025.

2. Board Composition and Remuneration • Re-election of Mr. Li Xingwu as non-executive director and Mr. Ong Chor Wei as independent non-executive director. • Authorisation for the board to determine directors’ remuneration.

3. Auditor Re-appointment • Proposal to re-appoint Rongcheng (Hong Kong) CPA Limited and authorise the board to fix its remuneration.

4. General Mandate to Issue Shares • Directors seek authority to allot, issue or deal with shares— including any sale or transfer of treasury shares—up to 20% of the company’s issued share capital as at the date of the AGM. • The mandate covers warrants, options and convertible securities, and will remain effective until the earlier of the next AGM, the statutory deadline for holding the next AGM, or its revocation by shareholders.

5. Share Buy-Back Mandate • The board requests approval to repurchase shares on the Stock Exchange or other recognised bourses, up to 10% of issued share capital (excluding treasury shares) during the same mandate period.

6. Mandate Extension • Conditional on the above mandates passing, the share issuance limit may be extended by the number of shares bought back—potentially raising the effective issuance capacity by an additional 10%.

Shareholder Logistics • The register of members will be closed from 15 June 2026 to 18 June 2026 (both days inclusive). • Share transfers for voting eligibility must be lodged with Tricor Investor Services Limited by 4:30 p.m. on 12 June 2026. • Shareholders may appoint proxies; holders of any treasury shares are required to abstain from voting in accordance with Hong Kong Listing Rules.

As of the notice date (29 April 2026), the board comprises Executive Directors Ms. Zhao Shu (Chairlady) and Mr. Li Ke; Non-Executive Director Mr. Li Xingwu; and Independent Non-Executive Directors Ms. Chan Yeuk Wa, Mr. Ong Chor Wei and Dr. Wang Xueqian.