SHANGHAI, April 27, 2021 — CooTek (Cayman) Inc. (NYSE: CTK) ("CooTek" or the "Company"), a fast-growing global mobile internet company, today announced that it filed its annual report on Form 20-F for the fiscal year ended December 31, 2020 with the Securities and Exchange Commission (the "SEC") on April 26, 2021.

The annual report can be accessed on the Company’s investor relations website at https://ir.cootek.com/ 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 the Company’s IR Department at ir@cootek.com.

About CooTek (Cayman) Inc.

CooTek is a fast-growing mobile internet company with a global vision, offering mobile applications. Our mission is to empower everyone to enjoy relevant content seamlessly. The Company’s user-centric and data-driven approach has enabled it to release appealing products to capture mobile internet users’ ever-evolving content needs and helps it rapidly attract targeted users. CooTek has developed and brought to market content-rich mobile applications, focusing on three categories: online literature, scenario-based content apps and casual games. For details, please visit: https://ir.cootek.com/.

For investor enquiries, please contact:

CooTek (Cayman) Inc.
Mr. Robert Yi Cui
Email: ir@cootek.com  

ICA (Institutional Capital Advisory)
Mr. Kevin Yang
Phone: +86-21-8028-6033
Email: cootek@icaasia.com