CEMIG’S ELECTRICITY FLOWS – SOURCES AND USES, JUNE 2005 Captive Market DEMAND CCEE 26,276 GWh SUPPLY - CCEE 26,276 GWh 10,117 GWh Free Market 9,379 GWh Electricity Produced Own Generation Auto-Production Affiliates Losses (Basic Grid) 16,596 15,825 585 551 (365) Auto-Production Total Energy 24,456 GWh 483 GWh Sales on the CCEE 2,973 GWh Electricity Purchased Itaipu Initial Contracts CCEAR (*) ERM (**) CCEE (***) Co-Generation Bilateral Contracts 9,680 5,995 353 2,266 198 852 16 Sales to Related Companies 559 GWh Losses (Basic Grid + Distribution Network) 1,820 GWh TOTAL including (CCEE + Distribution Network) – 26,474 GWh (*) - Regulated-Environment Electricity Sale Contracts (**) - Energy Reallocation Mechanism (***) – The Energy Trading Chamber Generation Distribution Network 198 GWh Sales via MRE 1,110 GWh Initial Contracts 35 GWh