Initial Statement of Beneficial Ownership

This filing details the beneficial ownership of Aurora Mobile Ltd (JG) by Hon Sang Lee, who is a director. The ownership includes 18,298 American depositary shares and 65,407 Class A common shares underlying restricted share units (RSUs). The RSUs were granted on August 1, 2025, and are set to fully vest on August 1, 2026. Each RSU represents the contingent right to receive one Class A common share upon vesting. The filing indicates direct ownership of these securities.