MEDFORD, OR--(Marketwire - Jan 8, 2013) - PremierWest Bank, a subsidiary of PremierWest Bancorp (NASDAQ: PRWT), is pleased to announce the winners of The "Community Star Award - Holiday Edition," a Facebook-based challenge honoring volunteerism in our communities. In this challenge, community members nominated and then voted for individuals who best represent extraordinary volunteerism during the holidays.