You know, I may need to call and clarify this myself. What's interesting is this little tidbit:
Your pass expiration date will not change and, if you are on FlexPay, your monthly payments will remain the same.
If my expiration date remains the same, AND my flexplay remains the same... does that mean I must pay the $99 fee AGAIN in one year?
My pass never expires, automatically renews, and I just pay my monthly flexpay. Have been for many many years. So it's a little vague in my case.
Heck, maybe it's a one time fee for the rest of forever, woohoo!