111 Files Annual Report on Form 20-F for Fiscal Year Ended 2019

SHANGHAI,April 17,2020 -- 111,Inc. ("111" or the "Company") (Nasdaq: YI),a leading integrated online and offline healthcare platform in China,today announced it has filed its annual report on Form 20-F for the fiscal year ended December 31,2019 with the United States Securities and Exchange Commission ("SEC")on April 16,2020.

The annual report is available on the Company's investor relations website at http://ir.111.com.cn/ as well as the SEC's website at http://www.sec.gov.

The Company will provide a hard copy of its annual report containing the audited consolidated financial statements,free of charge,to its shareholders and ADS holders upon request. Requests should be directed to Investor Relations Department 3-5/F,No. 295 ZuChongZhi Road,Pudong New Area,Shanghai,201203,The People's Republic of China.

About 111,Inc.

111,Inc. (NASDAQ: YI) ("111" or the "Company") is a leading integrated online and offline healthcare platform in China. The Company provides hundreds of millions of consumers with better access to pharmaceutical products and healthcare services directly through its online retail pharmacy and indirectly through its offline pharmacy network. 111 also offers online healthcare services through its internet hospital,1 Clinic,which provides consumers with cost-effective and convenient online consultation and electronic prescription services. In addition to providing direct services to consumers through its online retail pharmacy,111 also enables offline pharmacies to better serve their customers. The Company's online wholesale pharmacy,1 Drug Mall,serves as a one-stop shop for pharmacies to source a vast selection of pharmaceutical products. The Company's new retail platform,by integrating the front and back ends of the pharmaceutical supply chain,has formed a smart supply chain,which transforms the flow of pharmaceutical products to pharmacies and modernizes how they serve their customers.

For more information on 111,please visitir@111.com.cn

For more information,please contact:

111,Inc

IR Director

Ms. Monica Mu

ir@111.com.cn

Christensen

In China

Mr. Christian Arnell

Phone: +86-10-5900-1548

E-mail: carnell@christensenir.com

In U.S.

Ms. Linda Bergkamp

Phone: +1-480-614-3004

Email: lbergkamp@ChristensenIR.com

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