719.4. The Exhausted and Ready state of the Top-Most card does not affect nor change the status of the Attached cards and vice versa.
719.4.a. This is true of all statuses aside from location, Attached, and Top-Most. Example: If the top-most card becomes stunned, it does not affect the state of any attached cards. Example: If an attached card becomes empowered, it does not affect the state of its top-most card.