ZTO Monthly Parcel Volume Exceeded 1 Billion for the First Time

SHANGHAI,June 3,2019 -- ZTO Express (Cayman) Inc. (NYSE: ZTO) ("ZTO" or the "Company"),a leading and fast-growing express delivery company in China,today announced its parcel volume of May 2019 exceeded 1 billion for the first time in its corporate history.

Driven by the development of new technology and a deeply experienced management team,ZTO's network is creating greater economies of scale as it shifts from quantitative to more qualitative growth.

Mr.Meisong Lai,Founder,Chairman and Chief Executive Officer of ZTO,commented,"Parcel volume of 1 billion is equivalent to the industry's total parcel volume in 2006 or our total parcel volume in 2013,which is a significant achievement. We also hit another record starting in March 2019 with daily parcel volume reaching 30 million leading up to this milestone. ZTO will continue to generate high-quality growth,empower its network partners,and drive the industry forward."

About ZTO Express (Cayman) Inc.

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

ZTO operates a highly scalable network partner model,which the Company believes is best suited to support the significant growth of e-commerce in China. 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 visit http://zto.investorroom.com.

Safe Harbor Statement

This news release contains "forward-looking" statements within the meaning of Section 27A of the Securities Act of 1933,as amended,and Section 21E of the Securities Exchange Act of 1934,and as defined in the Private Securities Litigation Reform Act of 1995. These forward-looking statements include but are not limited to the Company's unaudited results for the first quarter of 2019,ZTO management quotes and the Company's financial outlook.

These forward-looking statements are not historical facts but instead represent only the Company's belief regarding expected results and events,many of which,by their nature,are inherently uncertain and outside of its control. The Company's actual results and other circumstances may differ,possibly materially,from the anticipated results and events indicated in these forward-looking statements. The financial results to which this news release is related are preliminary,unaudited and subject to audit adjustment. In addition,the Company may not meet its financial outlook included in this news release and may be unable to grow its business in the manner planned. The Company may also modify its strategy for growth. In addition,there are other risks and uncertainties that could cause the Company's actual results to differ from what it currently anticipates,including those relating to the development of the e-commerce industry inChina,its significant reliance on the Alibaba ecosystem,risks associated with its network partners and their employees and personnel,intense competition which could adversely affect the Company's results of operations and market share,any service disruption of the Company's sorting hubs or the outlets operated by its network partners or its technology system. For additional information on these and other important factors that could adversely affect the Company's business,financial condition,results of operations,and prospects,please see its filings with the U.S. Securities and Exchange Commission. All information provided in this press release and in the attachments is as of the date of the press release. The Company undertakes no obligation to update any forward-looking statement,whether as a result of new information,future events or otherwise,after the date of this release,except as required by law. Such information speaks only as of the date of this release.

For investor and media inquiries,please contact:

ZTO

Investor Relations Department

E-mail: ir@zto.com

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