緊急求救：OPT轉H4需要的材料，謝謝！

還有就是OPT上(EAD card)expiration date is later than I20 form expiration date, which one should I write in the application materials?eg. EAD expiration date is 08/04, I20 form (including OPT) expiration date is 07/10. Thanks so much.