UCL · uCloudlink Group Inc. · Insider Trading

This represents 1,000,000 Restricted Share Units ("RSU") granted to the reporting person on August 31, 2026 pursuant to the Company's 2019 Share Incentive Plan (the "2019 Plan"). Each RSU represents a contingent right to receive one Class A ordinary share upon vesting. The RSUs vest 50% on August 31, 2027, 20% on August 31, 2028, and 10% on each of August 31, 2029, 2030 and 2031, subject to the terms of the 2019 Plan and applicable award agreement.

Each American depositary share ("ADS") represents ten Class A ordinary shares.

This represents 40,000 Restricted Share Units ("RSU") granted to the reporting person on August 31, 2026 pursuant to the Company's 2019 Share Incentive Plan (the "2019 Plan"). Each RSU represents a contingent right to receive one Class A ordinary share upon vesting. The RSUs vest 50% on August 31, 2027, 20% on August 31, 2028, and 10% on each of August 31, 2029, 2030 and 2031, subject to the terms of the 2019 Plan and applicable award agreement.

Each American depositary share ("ADS") represents ten Class A ordinary shares.

This represents 40,000 Restricted Share Units ("RSU") granted to the reporting person on August 31, 2026 pursuant to the Company's 2019 Share Incentive Plan (the "2019 Plan"). Each RSU represents a contingent right to receive one Class A ordinary share upon vesting. The RSUs vest 50% on August 31, 2027, 20% on August 31, 2028, and 10% on each of August 31, 2029, 2030 and 2031, subject to the terms of the 2019 Plan and applicable award agreement.

Each American depositary share ("ADS") represents ten Class A ordinary shares.

This represents 180,000 Restricted Share Units ("RSU") granted to the reporting person on August 31, 2026 pursuant to the Company's 2019 Share Incentive Plan (the "2019 Plan"). Each RSU represents a contingent right to receive one Class A ordinary share upon vesting. The RSUs vest 50% on August 31, 2027, 20% on August 31, 2028, and 10% on each of August 31, 2029, 2030 and 2031, subject to the terms of the 2019 Plan and applicable award agreement.

Each American depositary share ("ADS") represents ten Class A ordinary shares.

This represents 500,000 Restricted Share Units ("RSU") granted to the reporting person on August 31, 2026 pursuant to the Company's 2019 Share Incentive Plan (the "2019 Plan"). Each RSU represents a contingent right to receive one Class A ordinary share upon vesting. The RSUs vest 50% on August 31, 2027, 20% on August 31, 2028, and 10% on each of August 31, 2029, 2030 and 2031, subject to the terms of the 2019 Plan and applicable award agreement.

This represents 890,000 Restricted Share Units ("RSU") granted to the reporting person on August 31, 2026 pursuant to the Company's 2019 Share Incentive Plan (the "2019 Plan"). Each RSU represents a contingent right to receive one Class A ordinary share upon vesting. The RSUs vest 50% on August 31, 2027, 20% on August 31, 2028, and 10% on each of August 31, 2029, 2030 and 2031, subject to the terms of the 2019 Plan and applicable award agreement.

Each American depositary share ("ADS") represents ten Class A ordinary shares.

The price reported in Column 4 is a weighted average price of ADS. The reporting person executed a trade order through a broker-dealer which resulted in multiple same-day, same-way open market purchases, with prices ranging from $1.06 to $1.09, inclusive. The reporting person has reported these purchases on an aggregate basis using the weighted average price, rounded to the nearest cent, for the transactions.

Each American depositary share ("ADS") represents ten Class A ordinary shares.

The price reported in Column 4 is a weighted average price of ADS. The reporting person executed a trade order through a broker-dealer which resulted in multiple same-day, same-way open market purchases of ADSs, with prices ranging from $0.9935 to $1.00, inclusive. The reporting person has reported these purchases on an aggregate basis using the weighted average price, rounded to the nearest cent, for the transactions. The reporting person undertakes to provide to UCLOUDLINK GROUP INC , any security holder of UCLOUDLINK GROUP INC , or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of ADS purchased at each separate price within the ranges set forth in footnotes (2) and (3) to this Form 4.