ZTO Express (Cayman) Inc. released its Hong Kong Stock Exchange monthly return for March 2026, highlighting a sizeable reduction in outstanding Class A ordinary shares through cancellation of repurchased stock.

At 31 March 2026, issued Class A shares fell to 563.80 million from 589.43 million a month earlier, a net decrease of 25.63 million shares (-4.35%). All cancelled shares originated from previously disclosed buybacks:

• 7.37 million shares (equivalent American Depositary Shares repurchased on 10–27 February 2026) were cancelled on 11 March 2026. • 18.25 million shares repurchased on 4 February 2026 alongside the issuance of convertible senior notes were cancelled on 16 March 2026.

No treasury shares were held after these cancellations, and the company confirmed compliance with the HKEX minimum public-float threshold of 25%.

Class B ordinary shares were unchanged at 206.10 million. Total authorised share capital remained 10 billion shares—8 billion Class A, 1 billion Class B and 1 billion undesignated—carrying an aggregate par value of USD 1.00 million.

Convertible instruments outstanding at month-end comprised:

• USD 17.75 million 0.79% Convertible Senior Notes due 2027, convertible into up to 0.62 million Class A shares at USD 28.76 per share. • USD 1.50 billion 1.00% Convertible Senior Notes due 2031, convertible into up to 48.47 million Class A shares at USD 30.95 per share.

No conversions or new share issuances occurred in March from these notes.

The company’s filings were endorsed by the joint company secretary, affirming adherence to all listing and regulatory requirements.