Exhibit 99.1 UCLOUDLINK GROUP INC. Announces Unaudited Third Quarter 2023 Financial Results Hong Kong, November 15, 2023 – UCLOUDLINK GROUP INC. (“UCLOUDLINK” or the “Company”) (NASDAQ: UCL), the world’s first and leading mobile data traffic sharing marketplace, today announced its unaudited financial results for the three months ended September 30, 2023. Third Quarter 2023 Financial Highlights ● Total revenues were US$23.9 million, representing an increase of 31.0$18.2 million in the third quarter ...