Exhibit 99.1 CooTek Announces Third Quarter 2021 Unaudited Results SHANGHAI, China, December 8, 2021 – CooTek (Cayman) Inc. (NYSE: CTK) ("CooTek" or the "Company"), a global mobile internet company, today reported unaudited financial results for the third quarter ended September 30, 2021. Third Quarter 2021 Highlights September 2021 Operational Highlights "We have been consistently focused on the achievement of group-level profitability despite uncertainties in the Chinese mobile advertising market," commen ...