exhibit 4 ( a ) restated articles of incorporation of avista corporation as amended and restated june 6, 2012 restated articles of incorporation of avista corporation know all men by these presents that we have this day voluntarily associated ourselves together for the purpose of forming, and we do hereby form and agree to become a corporation, under and by virtue of the laws of the territory of washington, and for such purpose we do hereby certify : first : that the name of said corporation is avista corporation. second : the objects and purposes for which the corporation is formed are : to acquire, buy, hold, own, sell, lease, exchange, dispose of, finance, deal in, construct, build, equip, improve, use, operate, maintain and work upon : ( a ) any and all kinds of plants and systems for the manufacture, production, storage, utilization, purchase, sale, supply, transmission, distribution or disposition of electric energy, natural or artificial gas, water or steam, or power produced thereby, or of ice and refrigeration of any and every kind ; ( a ) ( a ) any and all kinds of plants and systems for the manufacture, production, storage, utilization, purchase, sale, supply, transmission, distribution or disposition of electric energy, natural or artificial gas, water or steam, or power produced thereby, or of ice and refrigeration of any and every kind ; any and all kinds of plants and systems for the manufacture, production, storage, utilization, purchase, sale, supply, transmission, distribution or disposition of electric energy, natural or artificial gas, water or steam, or power produced thereby, or of ice and refrigeration of any and every kind ; ( b ) any and all kinds of telephone, telegraph, radio, wireless and other systems, facilities and devices for the receipt and transmission of sounds and signals, any and all kinds of interurban, city and street railways and bus lines for the transportation of passengers and / or freight, transmission lines, systems, appliances, equipment and devices and tracks, stations, buildings and other structures and facilities ; ( b ) ( b ) any and all kinds of telephone, telegraph, radio, wireless and other systems, facilities and devices for the receipt and transmission of sounds and signals, any and all kinds of interurban, city and street railways and bus lines for the transportation of passengers and / or freight, transmission lines, systems,