Si aplico al ajuste de estatus no tiene que pagar para renovar el EAD. La confusion viene porque hay otras razones para aplicar al EAD que si les toca pagar.
Saco la informacion de las instrucciones de la form I-765:
https://www.uscis.gov/system/files_force/files/form/i-765instr.pdf?download=1
El fee debe pagarse para renovar, a menos que estes aplicando por algunas de las siguientes categorias:
1. (a)(8) Citizen of Micronesia, Marshall Islands, or Palau;
2. (a)(10) Granted Withholding of Deportation;
3. (c)(l), (c)(4), or (c)(7) Dependent of certain foreign government, international organization, or NATO personnel;
4. (c)(9) or (c)(16) Adjustment applicant who applied after July 30, 2007.
tu familiar cae en la ultima categoria: (c)(9)
7. EAD Applicants Who Have Filed for Adjustment of Status
A. Adjustment Applicant–(c)(9). File Form I-765 with a copy of the receipt notice or other evidence that your
Form I-485, Application for Permanent Residence or Adjust Status, is pending. You may file Form I-765 together
with your Form I-485.