X0609 4 2026-04-08 0001703399 Sea Ltd SE 0001965706 Chen Jingye true C/O 1 FUSIONOPOLIS PLACE, #17-10, GALAXIS SINGAPORE SINGAPORE U0 138522 SINGAPORE false true false false CPO, Shopee true Class A ordinary shares 2026-04-08 4 S false 427 85.94 D 229173 I By BVI entity Class A ordinary shares 2026-04-08 4 S false 289 87.14 D 228884 I By BVI entity Class A ordinary shares 2026-04-08 4 S false 75 88.21 D 228809 I By BVI entity Class A ordinary shares 2026-04-08 4 S false 9 89.3 D 228800 I By BVI entity Class A ordinary shares 2026-04-09 4 S false 195 82.98 D 228605 I By BVI entity Class A ordinary shares 2026-04-09 4 S false 138 84.06 D 228467 I By BVI entity Class A ordinary shares 2026-04-09 4 S false 467 84.71 D 228000 I By BVI entity Class A ordinary shares 9075774 D The shares were sold pursuant to a Rule 10b5-1 trading plan adopted by a BVI entity controlled by the Reporting Person on August 28, 2025. Represents the weighted average price of shares sold at prices that ranged from $85.64 to $86.63. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares sold at each separate price within the ranges set forth in this Form 4. Represents the weighted average price of shares sold at prices that ranged from $86.64 to $87.63. Represents the weighted average price of shares sold at prices that ranged from $87.73 to $88.52. Represents the weighted average price of shares sold at prices that ranged from $88.99 to $89.55. Represents the weighted average price of shares sold at prices that ranged from $82.48 to $83.46. Represents the weighted average price of shares sold at prices that ranged from $83.51 to $84.47. Represents the weighted average price of shares sold at prices that ranged from $84.48 to $85.30. /s/ Mark Tang, attorney-in-fact for Jingye Chen 2026-04-10