2 Free Lawn seat for Maroon 5 concrete at Shoreline Amphitheater Sept 28th 8pm. from Alaska Air Mileage members YMMV

I got this email. Scored two tickets. I recently sign up for the Alaska Credit Card with the companion.
https://www1.ticketmaster.com/eve…=LIFECYCLE
Enter in your member number
As one of our most valued Mileage Plan members, Alaska Airlines would like to invite you and a guest to an exclusive concert with Grammy Award-winning Artist Maroon 5 on Thursday, September 28 at Shoreline Amphitheatre. The show kicks off at 8:00pm.
We still have lawn seats available. You can reserve 2 free tickets on first-come, first-served basis, while supplies last.
(Tickets will not be available through the Ticketmaster app.)
Alaska is excited to see you at this invitation-only show. It’s going to be an amazing night!
Claim your complimentary tickets
with your Mileage Plan number.
Your Mileage Plan number is the offer code.
Sign in to your account to retrieve it.