Partner promo codes end Weds at midnight then all #BRNV14 tix are full price!
— BottleRock Napa (@BottleRockNapa) May 26, 2014
If you are going to BottleRock and still haven't bought your passes, do it before Wednesday at midnight. At that time, all of the promo discount codes will expire, and all passes will be full price.
Update (05/29/14): Or maybe not. I didn't try all codes, but DAYOFF and ROCKNAPA still work.