Do you by any chance have a platinum or centurion amex. If so you are automatically upgraded to a gold member through SPG. This will allow you to earn extra points as well as possibly recieve a comp upgrade.

this link will take you to the enrollment page. call up amex and they will take care of it over the phone.

https://www143.americanexpress.com/c...ARDS/137/1/0/8