The letter just refers to the club acknowledging fans who have bought tickets at Withdean. I don't know if they are further prioritising fans who have attended a lot of matches and/or attended away games, Priestfield etc.
Mrs Oscar and I have just received our letters inviting us to the AMEX for the season ticket presentation.
I've never held a season ticket in 24 years of supporting the Albion but I'm really chuffed to see the club is acknowledging other loyal fans before the free-for-all ticket sales in March...