...+ Westar Energy Inc. and Great Plains Energy Inc. announced an amended merger agreement structured as an all-stock transaction at a mutually agreed upon exchange ratio with no acquisition debt. The parties expect the transaction to close in mid-2018. + We are affirming our ratings on Westar and subsidiary Kansas Gas & Electric Co. (KGE), including the '###+' issuer credit ratings, and revising the outlook on both entities to positive from negative. + The positive outlook reflect the potential for higher ratings on Westar after the merger closes if the combined entities are able to demonstrate a strengthened business risk profile and a clear path to realizing proposed synergies that results in operational improvements and cost savings, along with strong financial measures. NEW YORK (S&P Global Ratings) July 11, 2017--S&P Global Ratings today affirmed its ratings on Westar Energy Inc. (Westar) and subsidiary Kansas Gas & Electric Co. (KGE), including the '###+' issuer credit ratings, and...