X0206 3 2022-12-20 0 0001861974 ECARX Holdings Inc. ECX 0001842577 Heng Jun Hong C/O CRESCENT COVE ADVISORS, LP 1700 MONTGOMERY STREET, SUITE 240 SAN FRANCISCO CA 94111 true Class A Ordinary Shares 50000 I By Crescent Cove Advisors, LP Class A Ordinary Shares 72660 D Class A Ordinary Shares 1110660 I By Absolute Bond Limited Warrants, each exercisable for one Class A Ordinary Share 11.5 2023-01-19 2027-12-20 Class A Ordinary Shares 124028 D Warrants, each exercisable for one Class A Ordinary Share 11.5 2023-01-19 2027-12-20 Class A Ordinary Shares 3797216 I By Absolute Bond Limited Mr. Heng is the managing member and owner of Crescent Cove Advisors LP. Absolute Bond Limited is managed by Press Room LLC. The reporting person is the manager of Press Room LLC. The reporting person disclaims any ownership of the shares and warrants held by Absolute Bond Limited. /s/ Jun Hong Heng 2023-09-28