I have three passes from '03 that are: Non expiring, park hopper, with two days remaining on each.

If I were to buy similar 2-day tickets today, they would each cost $199. The three-day version of the same would be $268. I assume I will be charged the difference of $69 each to upgrade them, correct?

Or...as I hope, since they were originally 5-day passes, will it be the difference between a 5-day ($320) and 6-day ($327) pass? Sure would like to save that $180!!

Since it's Disney, and they're in the business of making money, I assume the former, but it sure would change my plans if I can get that extra day for only $27!!