CooTek US Subsidiary Opens New Office to Accelerate Global Business Growth

SANTA CLARA,Calif.,March 18,2019 -- CooTek (NYSE: CTK),a fast-growing global mobile internet company dedicated to empowering everyone to enjoy relevant content,announced that its US subsidiary,TouchPal Inc.,hasmovedtoa new office in Santa Clara,CA,USA. The new office will serve as a base and vital asset in support of CooTek's global growth and development of its content delivery platform and artificial intelligence ("AI") technologies.

"We are ecstatic tomove toa new and bigger office in Santa Clara," commented Ms. Susan Li,President of CooTek. "Growing our US team is part of our global growth strategy and moving to this new office will allow us to support a larger pool of talent in the area."

CooTek's US team will focusonand be responsible for driving user and revenue growth by leveraging its strengths in big data analysis and developing cutting-edge technologies. The Company's global content teams will work to provide the most relevant content and content-based products to its users together with CooTek's AI Lab which will continue researching and applying deep learning,speech recognition,and natural language processing technologies.

The average daily active users ("DAUs") of CooTek's portfolio apps surged 483% year-over-year in December 2018 which drove impressive revenue growth of 259% in 2018 when compared to last year. As the main revenue growth driver,CooTek's portfolio apps accounted for approximately 63% of CooTek's advertising revenue in 2018.

Ms. Li added,"Our ability to leverage big data and AI technologies and apply them to our portfolio of apps is driving rapid user and revenue growth. We will continue to expand and grow our US team to support the growth momentum of our global business."

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,news and short videos,healthcare,lifestyle and entertainment,CooTek has developed multiple rapidly growing content-rich portfolio apps with news feed to deliver relevant content.

For more information,please visit: https://www.cootek.com/

Follow us on Facebook and Twitter: https://www.facebook.com/CooTekInc/ and https://twitter.com/CooTek

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

View original content:/news-releases/cootek-us-subsidiary-opens-new-office-to-accelerate-global-business-growth-300813760.html