Yes, they end their regular season a week before the power conferences.
For those that don't know, Zags were seriously considering going to the MWC. The WCC convinced them to stay when they were promised a larger revenue share from the NCAA Tournament, reducing conference games from 18 to 16 games (guaranteed of playing SMC and BYU twice every year), and they get a double-bye to the Semifinals of the WCC Tournament (assuming they're a top 2 seed). Zags milked the WCC pretty good on that one.