FYI...
Along with my 2010 Benefits package I also received a "Your Lifeline" emclosure. I telephoned the number they supplied and asked if I had to join. I was told if I was a Citibnak retiree I was already enrolled. She asked for my name and she checked and said "Yes, you are alreayd enrolled."
If you want to confirm/verify or have any other questions you should call the number that was provided with the "Your Lifeline" literature.