Thank you. I hate calling but I guess I'll have to.You’ll need to call Disney Ticketing at 407-566-4985 to apply the value of those tickets to new tickets. Since they’re unused, you should be able to reassign them to different people from those they were originally assigned to. The value of the 4th ticket will not expire, but when you’re ready to use it you’ll have to call again (unless you use it to buy a new ticket and then change that one again later).