Customers with the original Hyatt Credit Card launched in 2010 who kept that card and didn’t convert to The World Of Hyatt Credit Card after it was introduced in mid-2018 are going to have their legacy cards coverted over January 11, 2021.
They have an offer to earn a free night with modest spend, and many cardmembers keep their grandfathered lower annual fee for a year even with the benefits of the newer card.