CooTek Recognized With User Growth Award at 2019 Mobile Attribution & Marketing Analytics Summit

SANYA,China,July 5,2019 --CooTek (NYSE: CTK)("CooTek" or the "Company"),a fast-growing global mobile internet company,today announced it was recognized with the User Growth Award at the 2019 Mobile Attribution & Marketing Analytics (MAMA) Global Summit hosted by AppsFlyer,the global leader in mobile attribution and marketing analytics. CooTek's CEO,Mr. Michael Wang,participated in a panel discussion during the Summit on the globalization of mobile internet.

During the discussion,Mr. Wang shared the Company's experience in growing its global user base. "The key to user growth is the insightful understanding of user interests and demand," commented Mr. Wang. CooTek's powerful user modeling technology generates profound insights into user demand across various markets and enables the Company to offer highly customized and localized products to its global user base.CooTek has demonstrated its ability to leverage its deep insights by launching a series of fitness apps in North America and entertainment apps across Southeast Asian markets which have all been well received.

To diversify its rapidly growing global business,CooTek recently launched an in-house developed advertising platform,CooTek Ads. Supported by the Company's cutting-edge AI and big data technologies,CooTek Ads will bridge the gap between advertisers and target audiences by providing clients with high-quality and tailored advertising services.

As the global digital advertising market continues to grow,third-party monitoring and analysis platforms are increasingly playing a more important role in connecting ad platforms with advertisers. Working closely with AppsFlyer will ideally position CooTek Ads to provide better services and more meaningful results to its global client base.

About CooTek (Cayman) Inc.

CooTek is a fast-growing global mobile internet company. The mission of CooTek is to empower everyone to express themselves and 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. Focusing on 5 verticals of fitness,lifestyle,healthcare,news and short videos,and entertainment,CooTek has developed multiple rapidly growing content-rich portfolio apps with news feed to deliver relevant content.

Safe Harbor Statement

This press release contains forward-looking statements made under the "safe harbor" provisions of Section 21E of the Securities Exchange Act of 1934,as amended,and the U.S. Private Securities Litigation Reform Act of 1995. These forward-looking statements can be identified by terminology such as "will," "expects," "anticipates," "future," "intends," "plans," "believes," "estimates," "confident" and similar statements. CooTek may also make written or oral forward-looking statements in its reports filed with or furnished to the U.S. Securities and Exchange Commission,in its annual report to shareholders,in press releases and other written materials and in oral statements made by its officers,directors or employees to third parties. Any statements that are not historical facts,including statements about CooTek's beliefs and expectations,are forward-looking statements that involve factors,risks and uncertainties that could cause actual results to differ materially from those in the forward-looking statements. Such factors and risks include,but not limited to the following: CooTek's mission and strategies; future business development,financial conditions and results of operations; the expected growth of the mobile internet industry and mobile advertising industry; the expected growth of mobile advertising; expectations regarding demand for and market acceptance of our products and services; competition in mobile application and advertising industry; and relevant government policies and regulations relating to the industry. Further information regarding these and other risks,uncertainties or factors is included in the Company's filings with the U.S. Securities and Exchange Commission. All information provided in this press release is current as of the date of the press release,and CooTek does not undertake any obligation to update such information,except as required under applicable law.

For investor enquiries,please contact:

CooTek (Cayman) Inc.

Jean Zhang

Email: IR@cootek.com

Christensen

In China

Mr. Christian Arnell

+86-10-5900-1548

carnell@christensenir.com

In US

Ms. Linda Bergkamp

+1-480-614-3004

lbergkamp@christensenir.com

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