Investor Presentaiton

Braskem continued to present solid credit metrics Adjusted Net Debt/Recurring EBITDA (LTM)1 (US$ Million) Financing Sources Adjusted Net Debt (ex-Braskem Idesa) Recurring EBITDA (LTM) Stable Net Debt in the period -32% +5% ---4,646-- 7 4,861 Quarterly Average 2017-2022 5,183 Foreign Capital Markets 76% 588 398 2T23 3T23 Comments: Corporate Leverage Ratio 7.90x 12.21x Liquidity for Debt 74 75 Coverage (Months) Average corporate 12.7 12.3 debt term (Years) Source: Braskem. Note (1): LTM: Last 12 months Operations with the participation of government agents 8% Banks 6% National Capital Market 10% The Company has various financing sources, with a focus on bond markets The Company maintains a robust cash position, very long debt maturity profile and is committed to efficient capital allocation and cost discipline PUBLIC Braskem 33

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