Penny Arcade today revealed the complete exhibitors list for the 5th annual Penny Arcade Expo (PAX), which will take place on August 29th, 30th and 31st at the Washington State Trade and Convention Center in Seattle. This year's exhibit floor will offer PAX attendees hands-on time with highly anticipated games and products from more exhibitors than ever, including Microsoft, Sony, Nintendo, EA, Activision and Ubisoft. Check the press release for a complete list.