National Fuel Gas Co. is raising its dividend by 2.7 percent, making it 43 straight years that the Amherst-based energy company has increased its payments to shareholders.

National Fuel said Thursday it increased its quarterly dividend by a penny per share to 37.5 cents from its old rate of 36.5 cents per share. The increased dividend will be payable July 15 to shareholders of record on June 28.