I have 32k wyndham rewards points, 120k hilton points and 250k club carlson points. I don't have any of the credit cards related to those hotel points.

I earned the the wymdham points in May 2012, hilton points with gold status in Jult 2012 and club carlson points in July 2012.


Do any of these points ever expire? if yes, how do i extend them?

I don't think I have any travel plans for this or next year, so I want to make sure I don't get them wasted!
thanks