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Investor Presentaiton

2016 Braskem | Annual Report In 2016, Braskem's production units recorded a gain of BRL 134.9 million through initiatives toward improvements in processes, energy sales, furnace optimization, reduced steam consumption, and improved boilers and turbines. These initiatives reduced energy consumption by 5,471,141 GJ in the year. In Brazil, the initiative G4-EN6 that presented the most gains was the one implemented at UNIB 2 RS (Rio Grande do Sul), which, by optimizing the furnaces, had a gain of BRL 38.4 million. By reducing the technical coefficient of steam from evaporation to 2.55, the CS 1 AL (Alagoas) unit reduced its energy consumption by 1,261,711 GJ. INITIATIVES TOWARDS IMPROVEMENTS IN PROCESSES ECONOMIC GAIN (BRL MILLION) Improvements in production processes (except furnaces) and sale of electricity 56.9 Furnace optimization 60.5 Reduced steam consumption 6.3 Boiler and turbine improvements 11.1 TOTAL 134.8 Improvements in energy efficiency in Triunfo: the use of coal with environmental control guarantee In recent years, the Brazilian electricity sector has been experiencing periods of instability. Based on a predominantly hydroelectric matrix, droughts that affected a large part of the country influenced tariffs, and even with recovered reservoir levels, the scenario is still challenging. In the search for alternatives that guarantee a supply of clean energy with prices compatible with the needs of the business, Braskem has been working hard to analyze trends and, through internal efforts, to implement innovative strategies for energy generation in its production units. These initiatives include projects to increase the capacity and quality of coal, optimize the use of natural gas, and increase the efficiency of cogeneration. in As part of these strategic initiatives, Braskem Triunfo, Rio Grande do Sul (Brazil) took advantage of the shutdown cycle (from June to September) of the two coal-fired boilers in order to promote improvements in the efficiency of the electrostatic precipitator system, responsible for retaining ash from combustion gases. The Company invested BRL 2.7 million in a new control system that will generate daily savings of approximately 10 MW of energy. The system, called Miecon, began operations in August 2016 and made it possible to increase and optimize the use of coal, and increase the retention of ash generated by burning without additional costs. In this process to improve energy efficiency, the Company sought coal with higher energy value and lower emission rates, while complying with the most stringent emission control standards of particulate matter. The changes integrate the strategic plan to obtain increased energy efficiency while guaranteeing environmental control, one of the Company's main focuses of attention. 89
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