ISA CTEEP Investment and Infrastructure Update

SOLID DEBT PROFILE WITH COMPETITIVE COST Low leverage allows growth cycle financing Investment Grade by Fitch: AAA(bra) Debt Profile on 6/30/2018 Gross Debt: BRL 2.5 billion Net Debt / Adjusted EBITDA: 0.7x ■ Average cost: 7.9% p.a ■ Average term: 3.6 years ■ Debt Amortization Schedule (BRL million) 421 429 90 90 227 71 67 62 362 881 2H18 2019 2020 2021 2022 2023 2024 2025 + Debt Breakdown 13% 23% 64% isa CTEEP Debentures CDI/IPCA BNDES TJLP Others

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