In a filing with the Securities and Exchange Commission late Thursday, Pinnacle reported 99.4 percent of the votes representing 45.1 million shares favored the $2.8 billion transaction announced in December after nearly two months of speculation. on Thursday overwhelmingly approved a proposal for the company’s merger with Penn National Gaming Inc. Shareholders of Las Vegas-based Pinnacle Entertainment Inc. Timothy Wilmott, president and CEO of Penn National Gaming, speaks during the Global Gaming Expo at the Las Vegas Sands Expo and Convention Center on Thursday, Sept.