Natural gas residential and

News Release Vectren Corporation One Vectren Square Evansville, IN 47708

FOR IMMEDIATE RELEASE Feb. 8, 2016 Media contact: Natalie Hedde, (812) 491-5105 or [email protected]

Vectren’s natural gas energy efficiency programs earn record savings in 2015; Natural gas residential and business rebate programs continue in 2016 Dayton, Ohio – Vectren Energy Delivery of Ohio’s (Vectren) natural gas energy efficiency programs achieved record savings in 2015, with savings of 954,000 CCF, enough to heat more than 1,000 homes for a year. Natural gas program results were driven by high-efficiency furnace and Wi-Fi thermostat rebates, as well as commercial boiler rebates. Small and mid-size business participation in Vectren’s energy efficiency programs was also very strong. Vectren will continue to offer its gas customers energy efficiency programs, which include cash rebates for replacing existing gas equipment with high-efficiency models as well as custom programs for businesses of all size. For a complete listing of all residential natural gas rebates, click here. For an updated list of business rebates, click here. “Efficiency programs play a vital role in the energy needs of our customers, and Vectren is committed to continuing to promote and drive participation in our 2016 programs and beyond,” said Colleen Ryan, president of Vectren Energy Delivery of Ohio. “Energy efficient products and services deliver substantial savings over their operating life, and our programs help customers use energy wisely.” The tiered rebate structure for residential natural gas appliances is based on the level of efficiency and the initial cost to the consumer; as the efficiency rate increases, so does the rebate amount. Since inception in 2009, Vectren’s Ohio natural gas conservation programs have saved nearly 25 million cubic feet of natural gas, which is enough energy to heat 28,000 homes for a year. Vectren’s rebate forms can be found at www.vectren.com/saveenergy. Forms can be completed online or printed and submitted within 60 days of equipment installation. About Vectren Vectren Corporation (NYSE: VVC) is an energy holding company headquartered in Evansville, Ind. Vectren’s energy delivery subsidiaries provide gas and/or electricity to more than 1 million customers in adjoining service territories that cover nearly two-thirds of Indiana and west central Ohio. Vectren’s nonutility subsidiaries and affiliates currently offer energy-related products and services to customers throughout the U.S. These include infrastructure services and energy services. To learn more about Vectren, visit www.vectren.com.