Originally Posted by
sydneyracquelle
Companion certs can be used for any 2 passengers and can be paid for with anyone’s AMEX card. Platinum companion certs only allow main cabin purchase, not C+ or FC.
Yep, but the upgrade cert's can only be used by the cert owner and a companion. They can't be transferred to two other companions. So, I guess if that's what OP was thinking (and using his status to get a C+ seat), that wouldn't work.