Successful Strategy

Cemig GT - debt profile R$ million Maturities timetable - Average tenor: 2.6 years Total net debt: R$5 billion 1.824 Main indexors 2% After Sep/15, Cemig made a debt rollover of R$789 million 18% 1.324 1.098 1.018 304 291 328 150 2015 2016 2017 2018 2019 2020 2021 After 2021 Real cost of debt - % 13,42 13,63 12,11 12,57 11,14 10,76 CEMIG CDI IPCA Others 80% Leverage - % 1,36 1,52 1,31 0,89 0,93 1,15 Net debt Ebitda 5,09 5,37 4,66 4,12 4,19 4,35 59,9 63,8 55,6 Net debt 47,7 50,1 48,3 2012 2013 2014 Real Mar-15 Jun-15 Sep-15 Jun-14 Sep-14 2014 mar/15 jun/15 Sep-15 Stockholders' equity + Net debt 17

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