My last Hyatt stay activity was about 2 years ago. I had a modest balance gathering dust so when a friend needed to top off his account for an award I was happy to help.
Turns out Hyatt is very accommodating. They have a Combine Points online form that can be mailed or faxed. No restriction on amount of points, only limit is that each member can only be involved in “one point combining transaction (transferring or receiving of points) once every 30 days.”
I filled out the form, sent on to my friend, he signed and sent it in, and the points were transferred out right away.
Nice to liquidate orphan points, nice that Hyatt has such a customer-friendly policy.