WILLIAMSVILLE, N.Y.--(BUSINESS WIRE)--Today, members of the National Fuel Gas Company (“National Fuel” or the “Company”) (NYSE:NFG) Board of Directors approved a 2.6 percent increase in the dividend on the Company’s common stock, raising the quarterly rate from 38.5 cents per share as approved in June 2014 to 39.5 cents per share for an annual rate of $1.58 per share. National Fuel has paid dividends for 113 consecutive years and has increased its annual dividend for 45 straight years. This div