ZTO to Announce First Quarter Financial Results on May 19, 2021 U.S. Eastern Time

SHANGHAI,April 26,2021 --ZTO Express (Cayman) Inc. (NYSE: ZTO and HKEX: 2057) ("ZTO" or the "Company"),a leading and fast-growing express delivery company inChina,today announced that it will release its unaudited financial results for the first quarter ended March 31,2021,after the U.S. markets closes on May 19,2021.

ZTO's management team will host an earnings conference call at 8:30 P.M. U.S. Eastern Time on Wednesday,May 19,which is 8:30 A.M. Beijing Time onThursday,May 20,2021.

Dial-in details for the earnings conference call are as follows:

United States:

1-888-317-6003

Hong Kong:

852-5808-1995

Singapore:

800-120-5863

Mainland China:

4001-206-115

International:

1-412-317-6061

Passcode:

8671970

A replay of the conference call may be accessible through May 26,2021by dialing the following numbers:

United States:

1-877-344-7529

International:

1-412-317-0088

Canada:

855-669-9658

Passcode:

10155754

A live and archived webcast of the conference call will also be available at the Company's investor relations website athttp://zto.investorroom.com.

About ZTO Express (Cayman) Inc.

ZTO Express (Cayman) Inc. (NYSE: ZTO and HKEX: 2057) ("ZTO" or the "Company") is a leading and fast-growing express delivery company inChina. ZTO provides express delivery service as well as other value-added logistics services through its extensive and reliable nationwide network coverage inChina.

ZTO operates a highly scalable network partner model,which the Company believes is best suited to support the significant growth of e-commerce inChina. The Company leverages its network partners to provide pickup and last-mile delivery services,while controlling the mission-critical line-haul transportation and sorting network within the express delivery service value chain.

For more information,please visithttp://zto.investorroom.com.

For investor and media inquiries,please contact:

Investor Relations

Tel: (86) 21 5980 4508

Email: ir@zto.com

Media

Tel: (86) 21 3108 0370

Email: media@zto.com