#1BRASKEM IDESA PETROCHEMICAL COMPLEX IN MEXICO INVESTOR PRESENTATION REF. 3Q23 Braskem#2FORWARD-LOOKING STATEMENTS This presentation includes forward-looking statements. These forward-looking statements represent not solely historical data, but also reflect the goals and expectations of Braskem's management. The terms "anticipate," "believe," "expect," "foresee," "intend," "plan," "estimate," "project," "aim" and similar terms are used to indicate forward-looking statements. Although we believe these forward-looking statements are based on reasonable assumptions, they are subject to various risks and uncertainties, many of which beyond the Company's control, and are prepared using the information currently available to Braskem. There is no guarantee that the events, trends or expected results will actually occur. This presentation was updated as of September 30, 2023, and Braskem does not assume any obligation to update it in light of new information and/or future developments. Braskem undertakes no liability for transactions or investment decisions made based on the information in this presentation. Braskem PUBLIC#3AGENDA Introduction Petrochemical Industry Financial Highlights ESG Case Maceió Outlook for the Future Braskem PUBLIC 3#4Introduction Braskem PUBLIC#5Braskem is a petrochemical company with Basic Chemicals and Polymers operations Petrochemical Industry Overview Source: Braskem EXTRACTION/ REFINING BASIC CHEMICALS POLYMERS Oil/Gas Oil/Gas Production Separation Oil Refining and Gas Conversion Processing Polymerization Braskem CONVERSION Converters: Pellets to bags, film, bottles or fiber Ethanol (Renewables) The petrochemical industry is based on molecules with carbon and hydrogen, which derived primarily from petroleum (crude oil) and gas PUBLIC Braskem 5#6Braskem is constantly in the search for creating pioneer and sustainable solutions in the petrochemical industry, aiming to improve people's lifes Belief and Purpose BELIEF PURPOSE CONTRIBUTION Plastics and chemicals make life better Improve people's lives by creating sustainable solutions through chemicals and plastics Wide and diversified portfolio of basic chemicals, specialties, thermoplastic resins, biopolymers and recycled products that meet daily human needs and make people's lives better During this tough global scenario, plastics and chemicals were reinforced as essential materials, as they perform an important role to combat the pandemic and to life in social distancing Source: Braskem PUBLIC Braskem 6#7Braskem has a successful track record of organic and inorganic growth driven by its internationalization strategy Growth Path Creation of Braskem From the integration of Copene, OPP, Trikem, Proppet, Nitrocarbono and Polialden Internationalization and Start up of start of the Green PE Start of the internationalization process with the acquisition of Sunoco's PP plants in the US Start up of the green ethylene plant Braskem Idesa Start up of Braskem Idesa petrochemical complex in Mexico, representing a milestone in the process of diversifying feedstock geographic location Revision and Consolidation of the Company's global strategy Revision and consolidation of the global strategy for 2030 to support the investments prioritization and capital allocation, considering its long-term objectives in sustainable development, market trends and demand for the coming years. The strategy consists of its foundation, strategic pillars, and the growth avenues 2002 2007 2010 2011 2016 2020 2022 2023 onwards Leadership in Brazil Acquisition of the assets of the Ipiranga Group, advancing the consolidation of the Brazilian petrochemical sector Leadership in PP in the US Acquisition of Dow's PP assets in the US and Germany, becoming the largest PP producer in the US New PP plant in the US Start up of the new PP plant in the US, strengthening the leading position in PP production in the region On going and Future Projects Braskem will continue focused on creating value through several initiatives on its growth avenues: (i) traditional businesses, to grow current businesses through selective investments, besides continuing to implement the decarbonization of our current assets; (ii) bio-based, to grow in bio-based resins and chemical products; and (iii) recycling, to grow in circular products portfolio Source: Braskem. PUBLIC Braskem#8Due to the implementation of its growth initiatives, Braskem has achieved high standards of size and scale... Global Resins Capacity Ranking BRASKEM IS THE LARGEST PRODUCER OF THERMOPLASTIC RESINS IN THE AMERICAS... Top 10 Capacity of PE+PP+PVC in the Americas (kt/year, 2022) ... AND ONE OF THE LARGEST PETROCHEMICALS IN THE WORLD - Top 10 Capacity of PE+PP+PVC in the World (kt/year, 2022) Braskem 8,686 1st 2nd 7,444 2nd 3rd 6,641 3rd 4th 6,079 Braskem strengthened its Americas leading position with the startup of a new PP plant in US in 2020 (450 kton/year) 4th 5th 4,226 5th 6th 3,802 Braskem 7th 3,757 7th 8th 3,230 8th 9th 2,429 9th 10th 2,157 PE+PP+PVC 10th 15,087 13,699 12,782 11,254 10,075 9,311 8,650 7,599 7,017 6,112 Source: External Consulting. Size and scale are relevant drivers for competitiveness and profitability in the petrochemical industry PUBLIC Braskem 8#9... and became a global company, with industrial units located in Brazil, USA, Europe and Mexico Industrial & Commercial Footprint REPRESENTATIVE OFFICE (+): Japan MEXICO Ethylene: 1,050 kt/year PE: 1,050 kt/year * USA * * GERMANY PP: 625 kt/year PP: 2,020 kt/year BRAZIL Basic Chemicals: * * 9,728 kt/year PE: 3,055 kt/year PP: 1,850 kt/year * COMMERCIAL NETWORK (*): AMERICAS • USA • Mexico • Brazil • Colombia ⚫ Peru Chile • Argentine EUROPE: Netherlands ASIA: Singapore • India PVC: 710 kt/year Industrial units located in Brazil, United States, Mexico and Germany Global commercial network, with offices in the Americas, Europe and Asia, serving clients in more than 70 countries Source: Braskem. PUBLIC Braskem#10The Company has reduced its exposure to Brazil through geographic diversification Geographic Diversification Revenue Breakdown Recurring EBITDA¹ by Segment (%) Mexico Exports USA and Europe Brazilian Market (%) Mexico USA and Europe Brazil 7% 6% 6% 6% 12% 11% 8% 10% 25% 24% 24% 31% 15% 27% 30% 38% 13% 12% 12% 10% 72% 55% 53% 58% 58% 62% 60% 55% 2020 2021 2022 LTM 2020 2021 2022 LTM Relevant contribution from non-Brazilian segments in financial results Source: Braskem. Note (1): Operating Result (-) non-recurring expenses, including expenses related to the geological event in Alagoas, PIS and COFINS credits (excluding the ICMS calculation base) and others PUBLIC Braskem 10#11Braskem has also advanced towards a more balanced feedstock profile, reducing its exposure to naphtha Feedstock Diversification Feedstock Profile by Production Capacity (%) 2.6% 2.5% 3.0% 3.0% 2.6% 2.5% -2.4% 10.2% -2.0% 22.6% 22.4% 21.2% 21.0% 39.4% 34.0% 34.5% 38.1% 38.0% 47.3% 40.8% 38.0% 35.8% 36.0% 2015 2016 2019 2020/2022 2023 YTD Ethanol Flex Gas Propylene Naphtha Comments: Feedstock is a key competitive element in the petrochemical industry, representing a substantial portion (~60- 70%) of total company's' cost Braskem seeks to continuously diversify its feedstock matrix as they follow commodities prices (e.g.: Oil and Natural Gas) with high volatility Over the past 5 years, Braskem has been focusing on reducing its dependency on naphtha by increasing gas share, as well as developing flexibility in Bahia In 2023, Braskem concluded the project to expand green ethylene production capacity in 60 kton/year at the Triunfo Petrochemical Complex in Rio Grande do Sul Source: Braskem. PUBLIC Braskem 11#12Currently, the Company has three reportable business segments for investors: (i) Brazil, (ii) USA & Europe and (iii) Mexico Braskem Business Segments Brazil USA¹ & Europe Mexico Business Model Basic Chemicals and Polymers Integrated Business Non-integrated PP Business Integrated PE Business Profile Feedstock Basic Chemicals Production Capacity (kt/y) Polymers Production Capacity (kt/y) Leader as the only integrated petrochemical company in Basic Chemicals and Polymers Naphtha, Ethane, Propane, Flex, Propylene and Ethanol (renewable) Basic Chemicals: 9,728 Largest PP producer in North America Propylene PP in USA: 2,020 Largest PE producer in Mexico Ethane Ethylene: 1,050 PE: 3,055 PP: 1,850 PE: 1,050 PP in Europe: 625 PVC: 710 Source: Braskem. Note (1): In the US, Braskem also has a UTEC plant. PUBLIC Braskem 12#13Highlights of Brazil Segment INTEGRATION AND SCALE • Leader in Brazil as the only integrated petrochemical company in basic chemicals and polymers (PE+PP+PVC) FEEDSTOCK AND SUPPLIER DIVERSIFICATION CONSOLIDATED MARKET POSITION AND EXPORT CAPACITY CURRENCY FLUCTUATION HEDGE • Exposure to different types of feedstock, such as naphtha, ethane, propane, propylene and ethanol (renewable feedstock) Diversified naphtha supplier base in Brazil, with several suppliers of naphtha imports. In 2022, naphtha imports accounted for around 60% of total naphtha consumption in the quarter Consolidated market share, with close and differentiated relationship with Clients, broad portfolio of products and import parity pricing Export capacity in times of lower demand in Brazil, with exports optimized by industrial and commercial presence outside the country • Natural hedge against currency fluctuation. The demand contraction in Brazil tends to be followed by the devaluation of the real (benefit of dollarized business). The appreciated real tends to be followed by growth in demand Source: Braskem. PUBLIC Braskem 13#14Highlights of USA & Europe Segment PP LEADERSHIP POSITION IN NORTH AMERICA • Largest PP producer in North America with a modern Innovation & Technology Center supporting its clients New world-class PP production facility (Delta) SUPPLIER DIVERSIFICATION Flexibility via a variety of propylene sources such as PDH's', refineries and crackers INTERNATIONAL COMMERCIAL RELATIONSHIP DIVERSIFIED CUSTOMER BASE Europe as an export platform to support global clients New Global Export Hub Facility in Charleston, South Carolina (USA) with packaging, warehousing and export shipping services Diversified product mix, selling polypropylene (PP) to approximately 407 customers in 2022, serving a broad range of end users in several industries Source: Braskem. Note (1): PDH stands for Propane Dehydrogenation. PUBLIC Braskem 14#15Highlights of Mexico Segment INTEGRATION AND SCALE • • Integrated business for the production of ethylene, high and low density polyethylene (PE) Largest PE producer in Mexico, with production capacity of 1.1 million tons/year of ethylene and PE GAS-BASED INTEGRATED COMPLEX Competitive cost structure, which is similar to a plant in the USA with "state-of-the-art" technology CAPACITY TO IMPORT FEEDSTOCK • Capacity to import approximately 25,000 barrels per day from the US, in order to complement the supply of ethane by Pemex Additional expansion of the Fast track solution (from 25,000 to 35,000 barrels per day) concluded in 4Q22 • COMMERCIALLY . COMPETITIVE AND Strategic geographical position, with access to local market and exports on all continents Consolidated customer portfolio, formed by approximately 213 customers in 2022 and synergies with Braskem's sales channels globally DIVERSIFIED Source: Braskem. PUBLIC Braskem 15#16Braskem's growth is driven by the ambitions of its Corporate Strategy, which consists of its strategic pillars, foundation and growth avenues STRATEGIC PILLARS AND THEIR AMBITIONS Productivity and Competitiveness Drive toward top quartile of the global cash cost curve, focusing on decarbonization initiatives and high value investments P Sustainability Be a reference in the chemical and plastics industry in sustainable development globally 28 Growth and Diversification Increase global diversification in feedstocks and bio-based and circular products Innovation Deliver high value sustainable Traditional Business Grow existing businesses through selective investments, including productivity and competitiveness improvements Decarbonize existing assets Objective to achieve carbon neutrality by 2050 and reduce scope 1 and 2 emissions by 15% by 2030 Safety Safe operations as PERMANENT AND NON-NEGOTIABLE VALUE GROWTH AVENUES Bio-based Grow in bio-based resins and chemical products Increase the use of renewable feedstocks Objective to expand the production capacity of green products to 1MMt by 2030 • Recycling Grow in circular products (mechanical recycling) Increase the use of circular raw feedstock (advanced recycling) Objective to growing to 1MMt of resins and chemical products with recycled content by 2030 FOUNDATION People TTTTT Governance A human-centered company that promotes diversity, inclusion and human rights Governance and compliance in line with best global market practices Shareholders Value Creation Continue to balance our capital allocation, returning value to shareholders over the cycle while investing in our business and its growth opportunities, generating positive impact for all stakeholders solutions through chemical and plastic innovation Source: Braskem PUBLIC Braskem 16#17Petrochemical Industry Braskem PUBLIC#18The petrochemical industry is focused on the production of "building blocks" which will be converted and will generate a large range of products Petrochemical Chain ENERGY BASIC CHEMICALS DERIVATIVES MATERIALS Crude Oil/Naphtha Ethylene Resins (PE, PP, PVC) Plastics • Natural Gas/Ethane Coal • Propylene • Intermediates ⚫ Fibers • Butadiene . Specialties ⚫ Rubber Ethanol (Renewable) Aromatics Paint, Coatings and others Raw Materials Building Blocks Commodities & Specialties • • • • DEMAND SEGMENTS Automotive Packaging Civil Construction Industrial uses • Medial Pharmaceutical Personal Care • Recreation/Sports · Textiles . Electrical Aircraft/Aerospace Electronics and others Formulated Products / End use products PUBLIC Braskem 18#19Feedstock pricing is given internationally and mainly impacted by changes in oil and natural gas prices Feedstocks Crude Oil ($/bbl) and Naphtha ($/ton) Base 100 2000 100 International market is the price maker Brent Naphtha ARA 2000 2006 2012 2018 2022 Natural Gas ($/MMBTU) e Ethane ($/ton) Base 100 2000 100 2000 International market is the price maker Natural Gas 2006 2012 Ethane USG 2018 2022 Naphtha prices are highly correlated with crude oil prices, as the price of ethane follows natural gas fluctuations, yet sporadic detachments may occur, due to specific market conditions Source: External Consultants. PUBLIC Braskem 19#20Feedstock profile for ethylene production changes according to the region Feedstocks Ethylene Production by Feedstocks %-2022 World South Middle East North America America Western Europe Northeast Asia 10% 12% 37% 13% 4% 12% 8% 2% 4% 1% 8% 16% 22% 000000 41% 71% 86% 29% 14% 57% 62% 13% 9% 8% 61% Naphtha Ethane Propane Others¹ Middle East and North America are mostly ethane-based ethylene producers. In South America, Western Europe and Northeast Asia, most ethylene crackers are naphtha based Source: External Consultants. Note (1): Butane, Diesel, Methanol for Olefins, Coal for Olefins and others. PUBLIC Braskem 20#21Each feedstock provides a different number of co-products when cracked Feedstocks Co-Products Yield when producing 1 unit of ethylene via several feedstocks Benzene 0.2 0.2 Butadiene 0.3 1.0 1.0 0.1 Products 0.5 0.2 (ton) 1.0 1.0 1.0 0.4 1.0 Propylene 1.0 Ethylene -1.3 Feedstock -2.4 -3.5 -5.9 -9.8 Feedstock Consumption (ton) Coal Methanol Naphtha Propane Feedstocks on Crackers Ethane The composition of the products depends crucially on the feedstock used. Heavier feedstocks will produce more products than lighter feedstocks on crackers Source: External Consultants PUBLIC Braskem 21#22Profitability in the petrochemical industry behaves cyclically Profitability in the petrochemical industry Supply and Demand Dynamics of the Petrochemical Industry CONCEPTUAL Volume Oversupply Time between decision and start-up Simultaneous investments decisions Tight market: stronger margins Beginning of the start-up period of new capacities Long market: drop in margins Supply Demand Time Highlights: Investment decisions are usually taken simultaneously and at times when the market is tight - with strong spreads However, when the new capacities come into operation, there is an oversupply of products The oversupply pressures prices down and then the market is "long", with reduced spreads Investments in the petrochemical industry do not occur in a linear fashion with demand, which results in significant excesses of capacity at certain moments Source: External Consultants. PUBLIC Braskem 22#23The expectation of an recovery trajectory for the Petrochemical Cycle in the coming years is a consequence of the petrochemical industry's fundamentals Profitability in the petrochemical industry Fundamentals of Supply and Demand (New Capacities - Demand growth) (MMt) The concentration of entry of new production capacity as a consequence of postponements due to COVID 5.1 Global PE Global PP Global PVC 3.4 2.8 1.9 2.1 Excess Supply -0.2 4.1 3.2 Absence of announcement of entry of new large production capacities -1.4 Excess Demand 2020 2021 2022 2023 2024 2025 2026 2027 Global economic growth is an important factor for resin demand growth and can positively impact resin demand in the short to medium term Source: Braskem's Global Market Intelligence. PUBLIC Braskem 23#24Petrochemical Scenario¹ - PE e PP US PE - Naphtha ARA Spread² (US$/ton) PE US - Ethane US Spread³ (US$/ton) PP Asia - Naphta ARA Spread4 (US$/ton) Average 3Q23 670 +10%) +27% Average 3Q23 252 841 800 +15% 742 ~740 683 586 +6% 331 345 249 243 265 ~290 1Q23 2Q23 Jul/23 Aug/23 Sep/23 4Q23e 1Q23 2Q23 Jul/23 Aug/23 Sep/23 4Q23e Average 3Q23 271 +11% -16% 334 346 292 278 244 ~270 1Q23 2Q23 Jul/23 Aug/23 Sep/23 4Q23e The lower level of global consumption, slowdown in industrial activity and greater product supply impacted resin spreads throughout 3Q23. However, some of petrochemical spreads showed an upward trend due to the increase in the price of resins on the international market. Note (1): External Consultants. Note (2): PE USG Brazil Mix = 0,3*LDPE US + 0,3* LLDPE US + 0,4*HDPE US. Note (3): PE USG Mexico Mix = 0,286*LDPE US +0,714 *HDPE US. PUBLIC Braskem 24#25Financial Highlights Braskem PUBLIC#26Fundamental aspects in the profitability of the petrochemical industry (=) (-) (-) Net Revenue (Demand x Price) COGS¹ (Variables + Fixed) SG&A² (Sales + G&A) (=) Recurring Operating Result . Conceptual Demand (sales volume): strong correlation with the growth rate of the economy Product Pricing: follows international references and is defined by the marginal producer (the producer with the highest cash cost) • Variable Costs: Feedstock is a key factor in the competitiveness and represents between ~60-70% of total production costs • Fixed Costs: production scale influences the competitiveness of the petrochemical industry • % in relation to Net Revenue: historically, represents between ~5-8% of Braskem's consolidated net revenue • SG&A Breakdown: selling expenses are similar to general and administrative expenses (~50-50%) Margins: cyclic, with the existence of "peaks" (high margins) and "valleys" (low margins) in the petrochemical cycle Source: Braskem. Note (1): COGS: Cost of Goods Sold. Note (2): SG&A: Sales, General & Administrative Expenses. PUBLIC Braskem 26#27Braskem revenues follow petrochemical demand and price dynamics and is composed mainly by PE/PP, which represents ~60-70% of total revenues Financial Highlights - Net Revenue Net Revenue (US$ million) Comments: • • Demand is strongly correlated to economy growth, as the products produced by the petrochemical industry serve as raw material for most sectors of the economy Braskem prices follow international market references, that is defined by the marginal producer¹ In Brazil, exchange rate variations are systematically passed on to the prices of the final product Additionally, Braskem has a global commercial network, with offices in the Americas, Europe and Asia, serving clients in 70 countries • Others² Ethylene/Propylene PVC/Caustic Soda/EDC PE/PP 19,604 18,733 19% 23% 5% 14,372 7% 11,381 6% 8% 21% . 5% 18% 5% 5% 6% 69% 64% 68% 70% 2020 2021 2022 LTM Source: Braskem. Note (1): The producer with higher cash cost. Note (2): Includes benzene, toluene, xylene, ETBE/Gasoline, Butadiene, Cumene, Solvents and others. PUBLIC Braskem 27#28Margins in the petrochemical industry are mainly driven by industry spreads and companies' cost competitiveness and scale Financial Highlights - Recurring EBITDA Recurring EBITDA and Margin - Consolidated (US$ million) and (%) Recurring EBITDA Recurring EBITDA Margin 28,8% 18,3% 11,0% 3,5% 5,645 2,082 2,060 500 2020 2021 2022 LTM Source: Braskem. Comments: · The petrochemical industry is a cyclical business. This is because investments in the industry do not occur in a linear way according to demand, which results in excess capacity at certain times Therefore, the profitability of the petrochemical industry will fluctuate over time, and in some years the margin will be healthier and in other years it will be pressured PUBLIC Braskem 28#29The last 12 months results have been impacted by the compression of international spreads as a result of the combination of lower global demand and the entry of new PE and PP capacity Financial Highlights - Recurring EBITDA by Segments Recurring EBITDA¹ and Margin – By Segments (US$ million) and (%) Brazil - Basic Chemicals and Polymers (PE+PP+PVC) USA and Europe PP Mexico² PE 51.5% 28.4% 36.6% 20.7% 26.7% 9.0% 12.4% 13.4% 18.7% 2.9% 5.6% 3.9% 3,659 1,608 620 1,641 283 1,211 609 352 287 197 2020 2021 2022 LTM 2020 2021 2022 LTM 2020 Recurring EBITDA Operational Margin 2021 212 42 2022 LTM Recurring EBITDA Margin without liquidated damages Source: Braskem. Note (1): Because of reconciliation, the sum of Recurring Operating Result per segments is not equal to consolidated Recurring Operating Result. Note (2): Until 3Q20, Braskem Idesa considered in Other Operating Income (Expenses) the amount related to liquidated damages for the supply of ethane in a volume lower than that established in the Contract signed with PEMEX in Mexico. In 4Q20, the PUBLIC accounting provision for the write-off of the amount receivable by Braskem Idesa of approximately US$119.1 million related to liquidated damages was included by the Company. Braskem 29#30(=) Recurring EBITDA The Company's decision-making aims to maximize its cash generation Conceptual Margins: cyclic, with the existence of "peaks" (high margins) and "valleys" (low margins) in the petrochemical cycle (+/-) Working Capital Constant search for working capital optimizations, mainly with feedstock suppliers, due to its relevance in the total cost (-) CAPEX (-) Interest • Capital intensive industry, with high amounts of maintenance and strategic CAPEX • Maintenance of the Net Debt level under control, with most debt maturing in the long term . (-) Income Tax • Tax management working on risk management to minimize the occurrence of tax contingencies and monetization of tax credits (=) Source: Braskem. Cash Generation Generally, positive cash generation, even in periods of down cycles of the petrochemical industry PUBLIC Braskem 30#31Braskem presents consistent operating cash generation, even in periods of down cycles in the petrochemical industry Financial Highlights - Cash Generation Cash Generation (US$ million) 22.8% 18.0% 7.0% -21.7% 216 2020 Source: Braskem. 1,802 654 -709 2021 2022 LTM Free Cash Flow Yield Cash Generation Comments: . • Through its operating activities, Braskem consistently presents positive cash generation, even after the payment of its obligations Currently, the Company's main cash needs are: Working capital needs Debt and debt interest payments CAPEX related to investments in operations, modernization and strategic investments Tax payments PUBLIC Braskem 31#32Maintenance of a very long corporate debt maturity profile Debt Profile (US$ million) 09/30/2023 (1) 4,415 3,415 3,415 Total cash Total debt Debt linked to Sustainability² Stand by Debt Indicators 63% of maturities concentrated after 2030 1,558 1,401 1,000 895 1,928 Sufficient liquidity to cover liabilities coming due in next 75 months³ Weighted average cost of debt is FX variation + 6.2%4 Conservative Principles Net Debt in USD as a hedge to natural exposure of the business to international prices ➤ Transparent dividend policy Concentration of funding in capital markets 308 464 578 82 132 218 150 Agency Rating Cash on 2023 09/30/2023 2024 23 2025 2026 2027 2028 2029 2030 2031 2032 2033 2034 INVESTMENT GRADE S&P BBB- onwards INVESTMENT Fitch GRADE BBB- Moody's Ba1 Outlook Negative Negative Stable Date 08/23/2023 08/09/2023 07/27/2023 Braskem reiterates its commitment to financial health through 32 PUBLIC the maintenance of a robust cash position and a very long debt profile Source: Braskem. Note (1): Excludes the amount of R$35 million allocated to the Financial Compensation and Support for Relocation Program in Alagoas and the debt of Braskem Idesa. Note (2): Sustainability-Linked Loan - liabilities linked to sustainability target (higher sales of Green PE - I'm greenTM bio-based). Note (3): Excludes Standby Credit Facility of US$1.0 billion maturing in 2026. Note (4): Excludes Braskem Idesa's debt. Braskem#33Braskem continued to present solid credit metrics Adjusted Net Debt/Recurring EBITDA (LTM)1 (US$ 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#34Braskem adopts a conservative financial policy to limit the risks associated with the exposure to the cyclical and capital-intensive nature of its businesses Financial Highlights - Financial Policy Conceptual • 1 Liquidity Risk Main Mitigation Mechanisms for each Risk Maintenance of a robust cash position, with the objective to ensure the permanent fulfillment of the Company's financial obligations • Calculation of a Minimum Cash based on "monthly vision" and "yearly vision" (approximately US$1.5 bi) • FX1 2 Braskem is a highly dollarized company; Structurally, both its revenues and most of its costs are denominated in or indexed to Dollar Risk • • 3 Commodity Risk • • 4 Default Risk Additionally, the Company reduces FX risk by setting a Long-Term Currency Hedge Program In the petrochemical industry, feedstock and product prices are highly correlated, creating a natural protection (a natural "hedge") over time Additionally, the mitigation may be achieved by contracting Commodity Hedge operations Development of a credit rating system for all accounts receivable from clients in Brazil and abroad, with about 80-90% of the Company's accounts receivable rated as minimal risk or low risk Braskem has exposure to risks (liquidity, FX', commodity price variations, default, among others) However, the Company has mitigation mechanisms for these risks to protect its cash generation Source: Braskem. Note (1): Foreign Exchange. PUBLIC Braskem 34#35Braskem consistently maintains a robust cash position, with the objective to ensure the permanent fulfillment of the Company's financial obligations Financial Highlights - Liquidity Risk Cash Position' (Ex-Braskem Idesa) 1 2 3 4 (US$ million) Comments: Invested in US$ Invested in R$ 3,414 2,940 909 2,381 1,218 (36%) (31%) 1,288 1,520 (54%) 2,031 1,064 (69%) (70%) 2,196 (64%) 1,093 456 (46%) (30%) 2021 2022 9M23 2020 . • Braskem has a calculation methodology to determine a Minimum Cash "monthly vision" (30- day horizon) and a minimum cash "yearly vision" (up to 12-month horizon) The Company uses as Minimum Cash the highest value between these two references Additionally, the Minimum Cash liquidity must respect the following assumptions: At least 60% of the Minimum Cash must have immediate liquidity within 15 days Preserve at least 80% of the Minimum Cash with liquidity within 30 days The Company also has an international revolving credit facility in the amount of US$1 billion, maturity in 2026 This line could be used in the event of deterioration in the macroeconomic scenario, for instance Source: Braskem. Note (1): Does not consider international rotating credit facility of US$1 billion. PUBLIC Braskem 35#36Braskem reduces FX risk by setting a Long-Term Currency Hedge Program Financial Highlights - FX Risk FX Exposure (%) "Dollarized" company - sales are referenced in USD, but some costs (e.g., fixed costs), expenses and CAPEX, referenced in BRL 7% 20% Mismatch between dollarized sales and costs: 93% Main generator of the exposure 80% Costs Sales Dollarized slow transfer¹ - Dollarized - quick transfer Source: Braskem. Note (1): The currency conversion in the Brazilian market is done after 2 months. Reference in BRL Dollarized Comments: 1 2 3 4 With the objective of partially mitigate the long-term FX risk, as of Sep/2016, the Company started to contract financial derivatives to compose a Long-Term Foreign Exchange Hedge Program The program's main form of mitigation is dollar call and put option contracts, protecting expected flows for a horizon of up to 24 months In addition to the Hedge Program, in order to balance the composition between assets and liabilities in dollars, Braskem's Financial Policy establishes that the Company must always maintain a percentage of at least 70% of the net debt expressed in dollars PUBLIC Braskem 36#37In the petrochemical industry, feedstock and product prices are highly correlated, creating a natural protection (a natural "hedge") over time Financial Highlights - Commodity Risks 1 2 3 4 PE US and Naphtha ARA Prices¹ (US$/ton) PP US and Propylene US Prices¹ (US$/ton) PP Europe and Propylene Europe Prices¹ (US$/ton) Naphtha ARA - PE USG - Brazil Mix² Propylene US PP US - Propylene Europe - PP Europe 2007 2010 2013 2016 2019 2022 2007 2010 2013 2016 2019 2022 2007 2010 2013 2016 2019 2022 Additionally, in addition to the natural "hedge", the mitigation of Commodity Risks may be achieved by contracting Commodity Hedge operations Note (1): External consulting firms. Note (2): PE USG Brazil Mix = 0.3* LDPE US + 0.3*LLDPE US + 0.4*HDPE US. PUBLIC Braskem 37#38Due to its rigorous analysis for granting credit to clients, Braskem has low default levels Financial Highlights - Default Risk 1 2 3 4 Risk Ratings of Accounts Receivable - Brazil and Abroad Default Indicators - Brazil and Abroad (%) (%) High/Very High Risk¹ Low Risk Medium Risk Minimal Risk 2% 2% 6% 3% 3% 6% 0.14% 10% 5% 22% 20% 27% 24% 0.05% 72% 68% 65% 65% 2020 2021 2022 Domestic Market Export Market 0.1% 0.08% 0.01% 9M23 2020 2021 0.01% 2022 0.15% 0.01% 9M23 About 80-90% of the Company's accounts receivable is rated as minimal risk or low risk Braskem has a low level of default by its clients, both in Brazil and abroad Source: Braskem. Note (1): Most clients in Very High Risk group are inactive, and the respective accounts are in the process of collection actions in the courts. Clients in this group that are still active buyers from Braskem pays in advance. PUBLIC Braskem 38#39Braskem could pay Dividends in 2 ways: as Mandatory and as Complementary Dividends Policy 1 • Net Income from each fiscal 2 year Source: Braskem Dividends Policy. 3 5% allocated to the Legal Reserve Before any other allocation, 5% of the net income determined in accordance with Brazilian Corporation Law and with Braskem's Bylaws are allocated to the Legal Reserve 25% of Mandatory Dividend . Shareholders will be entitled to receive as Mandatory Dividend 25% of the net income for the fiscal year, in accordance with Article 202 of Brazilian Corporation Law The class "A" and class "B" preferred shares have the same priority in the distribution. The common shares are entitled to Dividends only after the payment to class "A" and class "B" preferred shares Complementary Distributions • • The payment of Dividends complementary to the Mandatory Dividend, must be analyzed by the Company considering its capacity to generate cash flow, based on its long-term projections The proposal for Complementary Distributions must consider the impact of such distribution on the Net Debt/EBITDA ratio of the Company measured in U.S. dollars. This indicator, after any distribution, must not be greater than 2.5x in the current year and in the 2 subsequent years Comments: As provided for in Article 202, Paragraph 4 of Brazilian Corporation Law, the payment of Dividends is not mandatory in fiscal years in which the Management bodies inform the Annual Shareholders Meeting that such payment is incompatible with the financial situation of the Company Dividends must be paid, unless otherwise decided by the competent body, within 60 days from the date they are declared and, in any case, during the fiscal year Click here to download Braskem's Dividends Policy PUBLIC Braskem 39#40ESG Braskem PUBLIC#41INTRODUCTION Braskem is a petrochemical company with Basic Chemicals and Polymers operations 41 | PUBLIC EXTRACTION/ REFINING BASIC CHEMICALS Oil/Gas POLYMERS CONVERSION Oil/Gas Production Separation Oil Refining and Gas Conversion Processing Ethanol (Renewables) • Polymerization Converters: Pellets to bags, film, bottles or fiber Braskem> The petrochemical industry is based on molecules with carbon and hydrogen, which derived primarily from petroleum (crude oil) and gas Braskem#42INTRODUCTION Braskem is constantly in the search for creating pioneer and sustainable solutions in the petrochemical industry, aiming to improve people's life 42 | PUBLIC BELIEF PURPOSE CONTRIBUTION Plastics and chemicals make life better Improve people's lives by creating sustainable solutions through chemicals and plastics Wide and diversified portfolio of chemicals, specialties, thermoplastic resins, biopolymers and recycled products that meet daily human needs and make people's lives better Braskem#43BUSINESS MODEL Through renewable, non-renewable and post-consumer raw materials, Braskem offers a broad portfolio of chemicals and plastics transformed by our customers into applications that meet a variety of essential needs for everyday life st genera ration Basic petrochemicals nd 2 generate Thermoplastic resins Braskem 43 | PUBLIC Braskem Non-renewable EXTRACTION Chemical recycling (1) Mechanical recycling Renewable CAR (1) Technological route under development. Braskem 3rd g Generation Converters POST-CONSUMPTION FINAL PRODUCTS Braskem#44SUSTAINABLE DEVELOPMENT JOURNEY Braskem has been committed to contribute to sustainable development since its creation in 2002, seeking to meet the challenges inherent to the petrochemical industry Carbon Neutral Circular Economy Objectives to carbon neutrality and circular economy Certification by Completion of the expansion of Green Ethylene production capacity to 260 kty End of monitoring of the Compliance System by CGU6 and AGU7 2030/2050 Horizon of the new long-term objetives Creation of Braskem With a letter of commitment to a sustainable operation GHG' Inventory First year of the GHG Inventory accounting Green PE Beginning of operation of the green ethene, raw material for the Green PE, made from 2009 sugar cane 2002 2008 2021 Macro Objectives 2010 44 PUBLIC Statement on Climate Change the MPF³, DoJ4 e SEC5 2022 2023 2014 2018 On the improvements in the compliance 2021 system 2020 strategy in post- consumption plastic Circular Economy Global Compact Lead Position and For the leadership in contributions to SDGs² Global Sustainable Development Policy Quality certification ISO 37001 with implementation of Anti-Bribery System Record score in reputation, according to the RepTrak methodology Implementation of Industrial Decarbonization Program. Updating of climate risk assessment and of the Materiality Matrix Completion of the second cycle of due diligence on human rights 31% achievement of the sustainable development strategy Source: Braskem. Note (1): Greenhouse gases. Note (2): Sustainable Development Goals of ONU'S Agenda 2030; Note (3): : Ministério Público Federal - Brasil; Note (4): Department of Justice- EUA; Note (5): Securities Exchange Commission - EUA; Note (6): Controladoria Geral da União - Brasil; Note (7): Advocacia Geral da União - Brasil. Braskem#45SUSTAINABLE DEVELOPMENT JOURNEY At the end of 2020, Braskem has renewed its long-term objectives to sustainable development considering global trends and aligned with UN 2030 Agenda and with the Paris Agreement HEALTH AND SAFETY Until 2022, Braskem achieved approximately 31% of its sustainable development objectives' set for 2030 (% of achievement considering 2021 and 2022 results) 1 SUSTAINABLE INNOVATION 7 TOPICS Social Environmental Economic 2 נו ECONOMIC AND FINANCIAL RESULTS SOCIAL Governance 3 で 6 Focuses of action of the sustainability pillar. RESPONSIBILITY AND HUMAN RIGHTS OPERATIONAL ECO EFFICIENCY 5 Health and Safety Economic and Financial Results 35,9% 35,6% ELIMINATING PLASTIC WASTE Eliminating Plastic Waste Combating Climate Change 3,3% 23,6% The indicators for this dimension refer to the availability of water Operational consumption, energy consumption, hazardous waste generation, Eco-efficiency air emissions, and chemical and biochemical oxygen demand. Challenging Objectives are being defined. Social Responsibility and Human Rights 35,1% COMBATING CLIMATE CHANGE Sustainable Innovation 45 PUBLIC Source: Braskem: Note (1): The achievement of the long-term objectives for sustainable development disclosed by the company (within projected costs and expected deadlines) is also subject to risks that include, but are not limited to: advancement, availability, development and accessibility of the technology necessary to achieve these Objectives Braskem 50,0%#46CORPORATE STRATEGY 2030 Braskem's corporate strategy integrates its commitments to sustainable development and the maintenance of competitiveness, prioritizing investments in its growth avenues PILLARS Productivity and Competitiveness Drive toward top quartile of the global cash cost curve, focusing on decarbonization initiatives and high value investments P Sustainability Be a reference in the chemical and plastics industry in sustainable development globally 28 Growth and Diversification Increase global diversification in feedstocks and bio-based and circular products Innovation Deliver high value sustainable solutions through chemical and plastic innovation Traditional Business Grow existing businesses through selective investments, GROWTH AVENUES Bio-based Grow in bio-based resins and chemical products including productivity and competitiveness • • improvements Increase the use of renewable feedstocks Decarbonize existing assets Objective to achieve carbon neutrality by 2050 and reduce scope 1 and 2 emissions by 15% by 2030 Safety Safe operations as PERMANENT AND NON-NEGOTIABLE VALUE Objective to expand the production capacity of green products to 1MMt by 2030 FOUNDATION People A human-centered company that promotes diversity, inclusion and human rights Recycling Grow in circular products (mechanical recycling) Increase the use of circular raw feedstock (advanced recycling) Objective to growing to 1MMt of resins and chemical products with recycled content by 2030 Governance Governance and compliance in line with best global market practices Shareholders Value Creation • Continue to balance our capital allocation, returning value to shareholders over the cycle while investing in our business and its growth opportunities, generating positive impact for all stakeholders 46 | PUBLIC Druskem#47FOUNDATION - HEALTH, SAFETY AND HUMAN RIGHTS Safety and People are foundations of Braskem's corporate strategy, guided to ensure a safe, diverse, inclusive work environment to all its professionals DUE DILLIGENCE ON HUMAN RIGHTS HUMAN RELIABILITY PROGRAM INTEGRAL HEALTH DIVERSITY, EQUITY AND INCLUSION In 2022, a new due diligence on human rights in a global scale was conducted in Braskem. The risks mapped were analyzed in relation to existing corporate risks, in this sense, the new action plans were developed and will be integrated into the current risks' matrix. Opportunities for improvements were found in the following themes: relationship with communities, supply chain, plastic's disposal, occupational health and DE&I. Braskem aims to manage 100% of high and medium human rights risks by 2030. Since 2018, the program aims to reduce the tendency for errors and losses in operations and maximize production and operational efficiency. By 2030, the Company has the objective to reduce the (i) accident rate, with and without lost time, to 0.5 accidents per one million hours worked; and (ii) the accident rate of Tier 1 process to 0.05 accidents per one million hours worked. In 2022, Braskem began the development of a Global Program of Integral Health and Well-Being, which initiative is divided into four pillars: physical, emotional/mental, social/family, and occupational health. The Caring for People Program was created during the COVID-19 pandemic to welcome the team members and to promote an increasingly humanized and collaborative work environment. In 2022, the program produced 11 livestreams and a video, totaling 5,171 participants. In 2022, Braskem DE&I actions were reinforced by the establishment of a global corporate guideline to direct the actions in all the regions it operates. In 2022, were conducted a self- identification campaign of Race and Ethnicity in Brazil and United States, that helped the Company develop internal initiatives to achieve its goals. For 2030, Braskem's commitment is to increase the share of women leaders globally to 40% and black team members in Brazil and United States to 37%. 47 | PUBLIC Braskem#48FOUNDATION - SOCIAL RESPONSIBILITY Braskem has been committed since its creation to its value chain and has worked mainly through investment programs to promote local development GLOBAL SOCIAL IMPACT¹ GLOBAL VOLUNTEER PROGRAM EMERGENCY DONATIONS DUE TO HEAVY RAINS 5 emergency actions 121,000 benefited In Bahia, Petrópolis e Maceió people from donations R$3.3 million In donations Braskem invest in social and environmental projects in the locations it operates, through donations, sponsorship, ISP, and the Global Volunteer Program, which primarily address three long-term causes: education, circular economy, and local entrepreneurship and innovation. In 2022, Braskem carried out 153 social actions that benefited more than 610,000 people globally, including ISPs, donations, emergency campaigns, and volunteering. Additionally, more than R$33 million were invested. The Global Volunteer Program was originated in 2017 to encourage Braskem's team members to perform volunteer actions that generate a positive social impact on the communities around the Company's operations. In 2021: 1.4 thousand volunteers in 6 countries 37.2 thousand of people benefited globally SER+ PROGRAM 30 cooperatives was benefited PLASTITROQUE (BRA) 33 tons of plastic was collected PLASTIANGUIS (MX) +900 people were impacted by the program + 6,400 people & 18 cooperatives were benefited by the program 197 tons of plastic 10,000 people was collected were benefited by the program ALAGOAS: find more details in Case Maceio chapter. Discover Braskem's social responsibility projects 48 PUBLIC Source: Braskem. Note (1): Includes private social investment, donations, and volunteer actions. Braskem#49FOUNDATION - GOVERNANCE Braskem relies on a governance structure that ensures the progress of its 2030 strategy SHAREHOLDERS GENERAL MEETING Fiscal Committee Board of Directors (BOD) (11 members, 6 of whom are independent) 49 | PUBLIC CEO Vice-Presidents (VPS) ⚫ Compliance 4 committees advising the BoD: Strategy, Communication and ESG Finance and Investment People and Organization Statutory Compliance and Audit Global CCO Independent Audit Ethics Committee Corporate Regional Offices • Compliance Officer South America • Internal audit • Internal controls ⚫ Risk management • Compliance Officer Europe and Asia ⚫ Compliance Officer United States • Compliance Officer Mexico SUSTAINABILITY GOVERNANCE STRUCTURE Tools & concepts Governance Communication Global Sustainability Committee CEO+ vice-presidents Sponsors: Vice Presidents(1) 1 2 3 Health and Financial and economic results Plastic waste disposal 4 Fighting climate 5 change Operationa leco- efficiency (1) In 2022, the Global Sustainability Committee decided to deepen the monitoring of the commitments that are the main focus of action. Advisory Board Independent and specialized external members PMO Transform for Value Sustainable Development Social responsibility and human 7 Sustainable innovation Focuses of action of the sustainability pillar. Braskem#50TRADITIONAL GROWTH AVENUE - INDUSTRIAL DECARBONIZATION PROGRAM The Industrial Decarbonization Program aims to promote the emissions reduction front, focusing on energy efficiency and increasing the use of renewable energy COMBATING CLIMATE CHANGE LONG-TERM OBJECTIVES Reduction of absolute Scope 1 and 2 GHG2 emissions by 15% by 2030 > Net-zero by 2050 Emissions (MM tCOe), Scope 1 and 2 In 2022, Braskem mapped potential projects to achieve these long-term objectives through the development of the MAC Curve³, which considered 161 projects > Based on the MAC Curve developed this year, 69 initiatives were prioritized with an estimated potential reduction of ~3.4 MMt CO2e in emissions Energy efficiency and electrification initiatives are the main fronts of the decarbonization portfolio Initiatives prioritized by stage Number of initiatives (#) 69 Stage O 12 Idea evaluation Stage 1 33 initiatives Identification - FEL Stage 20 -15% in progress Stage 2 Planning/FID 10.9 9.2 Stage 3 Execution 23 0.0 Stage 4 Run-rate Stage 5 Complete Prioritized initiatives 2020³ 2030 2050 50 PUBLIC Source: Braskem. Note (1): in relation to the average emissions for the years 2018, 2019 and 2020. Nota (2): Greenhouse Gases. Note (3): Marginal Abatement Cost Curve. Braskem#51TRADITIONAL GROWTH AVENUE - INVESTMENTS IN RENEWABLE ELECTRIC ENERGY And to achieve its commitment of increasing to 85% the electrical energy purchased by 2030, Braskem signed agreements with an average term of 20 years RENEWABLE ELECTRICITY CONTRACTING INITIATIVES 2022 DESTAQUES casadosventos energia para um novo mundo casadosventos energia para um novo mundo In operation (2022-2023) In construction (2022-2023) 51 PUBLIC auren In construction (2024) 8 voltalia In operation (2022) EDF energies nouvelles In construction (2024) AUTOPRODUCTION PPA 82% EDF energies nouvelles In construction (2021) of renewable electricity purchased +230 MW of long-term renewable electricity already contracted globally 3.3 million tons of CO₂e in emissions avoided over the duration of the contract Braskem#52BIOBASED GROWTH AVENUE - GLOBAL STRATEGY Braskem's strategy seeks to grow its portfolio of biobased products and expand the use of renewable raw materials through strategic and financial partnerships BRASKEM'S GLOBAL STRATEGY TO 2030 Growth Avenue Bio-based Grow in bio-based resins and chemical products Increase the use of renewable feedstocks Objective of expanding production capacity for green products to 1 million tons by 2030¹ Production of green products (kton) TBD ~4302 Estudos para produção de PP Verde nos EUA sustainea bioglycols Joint-venture com sojitz BraskemSiam BIO-BASED POLYETHYLENE MAIN INITIATIVES DBN4 of the current green ethylene plant Completion, in 2023, of green ethylene capacity expansion in Triunfo, Rio Grande do Sul, to 260 kty5. BraskemSiam BIO-BASED POLYETHYLENE Joint-venture with SCGC Production of bio-ethylene from bio-ethanol dehydration using the EtE EverGreenTM technology, with green ethylene production capacity of 200kty sustainea bioglycols sojitz Production and commercialization of monoethylene glycol from renewable feedstock (bioMEG), conditioned to technology approval Joint-venture with Licensing of green ethylene technology Partnership with LUMMUS TECHNOLOGY Partnership to develop and license Braskem's technology to produce green ethylene 200 260 60 ~200 60 200 200 Expansion of Green Ethylene Green Ethylene, RS, Brazil Studies to produce green PP in the USA 2022 2023 2030e³ Studies to evaluate investment in the production of the world's first bio-based PP on an industrial scale in the United States 52 Source: Braskem. Note (1): The achievement of the long-term objectives for sustainable development disclosed by the company (within projected costs and expected deadlines) is also subject to risks that include, but are PUBLIC not limited to: advancement, availability, development and accessibility of the technology necessary to achieve these objectives. Note (2). Conditional on approval of the technology;. Note (3): Expectation based on the sum of the total production of ongoing projects. Note (4): DBN = Debottlenecking. Note (5); kty = kilotons per annum. Note (6): Subject to approval by antitrust bodies Braskem#53BIOBASED GROWTH AVENUE-GREEN PE Braskem is a pioneer in renewable plastics and a global leader in Green PE Braskem is the largest global producer of biopolymers, having established in 2010 the first industrial scale Green Ethylene plant, located in Triunfo, Brazil with a production capacity of 260 kt/year upon completion, in 2023, of the green ethylene capacity expansion project Portfolio of products based on renewable raw materials (ethanol from sugarcane), including Green Polyethylene (Green PE) and Green EVA, serving a wide variety of end customers in different sectors Applied by +180 brand owners....in over 40 countries I'm Brand protected in all regions (1) of influence ➤ Brand internationally recognized green™ Several awards earned by clients and Braskem related to innovation and sustainability due to I'm green™ brand Winning platform and distinctive capabilities to be the world leader in biopolymers, capable of promoting growth on a global scale Product portfolio also driving value of our renewable raw materials ecosystem and responsible sourcing best practices 53 | PUBLIC I'M GREEN BRAND SELECTED PRODUCT APPLICATIONS Dove SUPER ICA iveco KRISPSALLAT SVERIGE KRAV 16 SUNDOWN I'm D green 30 Neve Compacto Unilever PERSONAL CARE DOVE SHAMPOO ICA FOOD I LOVE ECO Johnson & Johnson PESORNAL CARE SUNDOWN Kimberly-Clark TOILET PAPER NEVE Braskem#54BIOBASED GROWTH AVENUE-GREEN PE Green PE has the same properties as the traditional PE and a distinctive value proposition 54 | PUBLIC Carbon negative Renewable feedstock DEHYDRATION Widely applicable Lower risk SUGAR CANE ETHANOL Green Plastic Plastic packaging is the main use of Green PE PURIFICATION POLYMERIZATION GREEN ETHYLENE Traditional Plastic Polyethylene (PE) PURIFICATION CRUDE OIL NAPHTHA CRACKING POLYMERIZATION FOSSIL ETHYLENE Braskem#55RECYCLING GROWTH AVENUE - GLOBAL STRATEGY Braskem's transition strategy to a circular economy is strongly based on mechanical and advanced recycling solutions PLASTIC DISPOSAL WASHING PLASTIC WASTE ISCC International Sustainability & Carbon Certification Braskem received the ISCC Plus³ certification for the use of alternative raw materials, such as pyrolysis oil4 NEW PRODUCTS AND APPLICATIONS Research focused on improving post- consumer Resin Properties (PCR¹) and developing new applications QUALITY RECYCLED RESIN EXTRUSION FORMULATION Mechanical Recycling Chemical Recycling NEW PRODUCTS AND APPLICATIONS R&D² to improve pyrolysis technology and develop new innovative routes for new products and raw materials PYROLYSIS AND OTHERS CHEMICALS AND RESINS PETROCHEMICAL CRACKER The Company is investing to strengthen mechanical and advanced recycling, enabling projects for the development of high-quality PCR¹ and expanding research and innovation through collaboration with strategic partners 55 PUBLIC Source: Braskem. Note (1): PCR: Post-consumer resin. Note (2): R&D: Research & Development. Note (3): ISCC Plus: International Sustainability and Carbon Certification. Note (4): Pyrolysis oil: Chemical process that breaks down thermoplastic resin molecules by applying heat. Braskem#56RECYCLING GROWTH AVENUE - GLOBAL STRATEGY In recycling, Braskem aims to reach 1 million tons of resins and chemical products with recycled content sold by 2030 ELIMINATING PLASTIC WASTE BRASKEM'S WORK FRONTS LONG-TERM OBJECTIVE > To increase sales volume of products with recycled content to 1 million tons per year SALE OF PRODUCT WITH RECYCLABLE CONTENT - (kt) +144% 7 22 54 2020 2021 2022 56 | PÚBLICO 946 1.000 2030 SUSTAINABLE PRODUCT PORTFOLIO 40 grades of post-consumer recycled resins in the portfolio TECHNOLOGY DEVELOPMENT Partnerships targeting new technologies 54kt Sales in 2022 nexus CIRCULAR Portfolio in partnership with: wise ERPlastics BV SENAI Institute for Sustainable Process Technology ENVIRONMENTAL EDUCATION AND CONSUMER ENGAGEMENT 33,5kt of recovered plastic in 2022 156% increase compared to 2021 CIRCULAR DESIGN OF APPLICATIONS Inauguration of Cazoolo, the first packaging development center for circular economy in Brazil CAZO LO empowered by Braskem Braskem#57SUPPLY CHAIN MANAGEMENT Braskem strengthens its relationship with suppliers through actions that promotes greater engagement in sustainability SOCIO-ENVIRONMENTAL ASSESSMENT AND ENGAGEMENT PARTNERSHIP WITH ecovadis RESPONSIBLE SOURCING OF ETHANOL PROGRAM RECOGNITION AWARD Braskem Suppliers Sustainability Recognition Partners for a better future Brasker Socio-environmental assessment covers 100% of the new contracted suppliers, which includes the analysis of socio- environmental aspects in two steps: registry and due diligence. All new suppliers adhere to Braskem's Code of Conduct for Third Parties. Braskem also achieved the engagement of 270 suppliers in the assessment of CDP Supply Chain Climate and CDP Supply Chain Water, with engagement rates of 82% and 72% respectively. Braskem has partnered with Ecovadis to reinforce its supplier management program based on ESG criteria The partnership allows Braskem to identify risks and opportunities to build actions and initiatives aligned with Braskem's strategy and business goals In 2022, 422 suppliers were evaluated in the Ecovadis program In 2016, Braskem implemented the Responsible Sourcing of Ethanol Program to ensure integrity and sustainability practices in the cane chain through audits of suppliers and sub-suppliers. Braskem Supplier Code of Conduct establishes the operational standards expected from suppliers in their management of human resources, the environment, local communities, quality and efficiency. More than 50% of Braskem's ethanol purchased are from Bonsucro certified suppliers, sustainability standard in the sugarcane chain Learn more! Braskem Supplier Sustainability Recognition award highlights the ESG best practices of its suppliers and encourages actions in socioenvironmental performance, human and labor rights, the environment, ethics and sustainable Procurement. In 2022, the companies were evaluated based on their scores in the Ecovadis and CDP, resulting in the recognition of 24 suppliers that stood out the most in the period. 57 | PUBLIC Braskem#58RECOGNITIONS For its sustainable performance, Braskem has been recognized over time by organizations specializing in the sustainability topic 2014-2023 2012-2023 2020 2005-2023 (ex-2021) ROBECOSAMO We are Sustainability Investing. Índice Carbono Eficiente ICO2 NACIONES UNIDAS CEPAL Indice de Sustentabilidade Empresarial ISE One of the most sustainable companies in the world in the petrochemical sector by S&P Global Sustainability Yearbook 2010-2022 2019 Listed for the eleventh consecutive time on the B3 Carbon Efficient Index, due to transparent emissions inventory practices 2019 Recognition by ECLAC and the Brazilian Global Compact Network as one of the most transformative cases for the production of Green PE Participation in the B3 Corporate Sustainability Index, as one of the most sustainable companies 2016-2020 2014-2022 Programa Brasileiro: GHG Protocol EXAME Diversidade 2019 ETHOS WILL Women in Leadership in Latin America CDP DISCLOSURE INSIGHT ACTION THE GLOBAL COMPA Global Compact LEAD Gold category 13x consecutive for the inventory of greenhouse gas emissions in the Brazilian GHG Protocol program One of the 25 best companies in Brazil in promoting diversity and inclusion Best Brazilian company in promoting women in leadership Leader in the ranking of water, climate and supplier engagement Leader for the high level of commitment to sustainable development in the UN Global Compact 58 | PUBLIC Braskem#59FINAL REMARKS Braskem keeps committed in contributing to the sustainable development 1 2 3 4 5 6 Since its creation, Braskem has been contributing to sustainable development, being recognized as one of the leading companies in Brazil and globally on the subject Its performance is guided by the corporate strategy of 2030, which incorporates the principles of sustainable development in the decision-making process Our strategy is based on a wide risk and materiality assessment process, observing international guidelines By 2020, Braskem made significant progress in this area and achieved 85% of the established goals, leveraging business opportunities With the goals of 2030 and 2050, Braskem renewed its strategy to strengthen its contribution for the next decades, with the improvement of governance mechanisms Braskem remains committed to sustainable development, with a focus on creating value to shareholders from the transition to a carbon neutral circular economy, by using renewable and circular raw materials 59 | PUBLIC Braskem#60Case Maceió Braskem PUBLIC#61Braskem in Alagoas: Long presence and commitment to the State Introduction General information: Integrated Industrial Operation • Start of operations: 1975¹ (through mergers and acquisitions) • Assets: two plants in Alagoas: (i) Chlor-alkali, in Maceió and (ii) PVC, in Marechal Deodoro Braskem's commitment in Alagoas is to create value in the region, generating income, revenue and taxes for the state: Even with the interruption of important activities, the Company did not cut any jobs 。 ~500 direct jobs and ~1,900 outsourced jobs² ~1.5 billion reais per year in the economy 。 ~150 million reais in ICMS Pillar of the chemical-plastic chain with several partner companies Power o 1/3 of the national production of Chlor-alkali Salt AL CS AL PVC AL PVC BA CRACKER BA Braskem's operations account for ~3% of Alagoas' GDP and support more than 60 companies in the plastic and chemical chain in the state Source: Braskem. Note (1): In 1975, the company Salgema started with the extraction of rock salt to produce chlorine and caustic soda in a plant located in Pontal da Barra (Maceió-AL). In 1996, Salgema changed its name to Trikem and in 2002, Trikem merged with other companies in the sector to create Braskem. Note (2): Data from 2019. PUBLIC Braskem 61#62General characteristics about the salt extraction process Introduction General Characteristics: Salt Extraction Process • • Process: Rock salt mining by underground dissolution Number of wells: 35 (vertical and directional wells) Depth: 900 to 1,200 meters Cemented coating -95/8" 1100m 7" Protection fluid • • Licensing: with ANM¹ and IMA², according to Brazilian regulation Status: Braskem decided to definitively end rock salt extraction activities in the region of the neighborhoods affected by the geological phenomenon Source: Braskem. Note (1): ANM: National Mining Agency. Note (2): IMA: Institute for the Environment. Salt 41/2 Water Brine 1170m Brine 1195m Insoluble 1200m The water dissolves the salt, thus forming the brine, which occupies the space previously occupied by the salt. The pressure of the inserted water forces the excess brine to rise over the surface. PUBLIC Braskem 62#63Geological event in Alagoas: an earthquake occurred in the region in March 2018 Situation in Maceió, Alagoas • • Geological Phenomenon in Maceió In March 2018, an earthquake is recorded in some neighborhoods of Maceió, capital of the state of Alagoas Since then, Braskem has adopted a responsible, transparent and active posture, reinforcing its commitment to people and collaborating with the authorities to understand the geological phenomenon Source: Braskem. Aerial view of Mutange, Bebedouro and Pinheiro neighborhoods PUBLIC Braskem 63#64Braskem's actions remains focused on the safety of the region's residents and understanding the geological phenomenon Braskem's Focus of Action es E Source: Braskem. SAFETY OF PEOPLE Removal of residents from risk areas and their resettlement Financial compensation Psychological support UNDERSTANDING OF THE GEOLOGICAL PHENOMENON Understanding of the geological phenomenon and possible surface effects Drainage and sewage works Monitoring of the soil Maintenance actions in affected neighborhoods and safety for residents Studies with sonars to assess the conditions in Braskem's salt wells Actions to prevent disease proliferation through pest control and monitoring Works to permanently close the salt wells PUBLIC Braskem 64#65Geological Event in Alagoas - Update Relocation & Compensation - PCF1 (Status as of 09/30/2023) Update on Relocation and Compensation Proposals in relation to the total amount expected Closing & Monitoring of Wells Concluded In progress Not started (Status as of 09/30/2023) 14 have the original well tamponade activities completed 15 Submitted + than 99% Accepted ~97% Paid ~93% 19.073 proposals 18.491 proposals 17.744 proposals 9 Acceptance rate of 99.3% Relocation Program with 99,2% of execution until Sep/23 1 in approval by ANM 4 5 6 1 2 1 Sand Backfilling Group Natural Filling Group Tamponade Group² Sonar Monitoring Group The Company cannot eliminate future developments related to the matter or its associated expenses, and the costs to be incurred by Braskem could differ from its estimates or accrued amounts Source: Braskem | Note (1): PCF: Financial Compensation and Support for Relocation Program. Note (2): Tamponade technique consists of implementing physical barriers, such as cement paste, to prevent fluids from penetrating between permeable geological formations through the well and/or migration of fluids to the surface. PUBLIC Braskem 66#66Geological Event in Alagoas - Update Advances on Socio-urbanistic and Environmental Measures (Status as of 09/30/2023) All 11 Urban Mobility actions are in progress, 8 of which already have executive projects concluded. Of these actions, 3 are already in the construction phase, and 1 is planned to start in 4Q23 ▸ Advances in the Urban Integration and Development of Flexais Project, highlighting 11 urban requalification actions implemented out of the 23 planned actions Total Amount and Balance of Provisions¹ (R$ billion) 14.4 4.4 The operationalization of the Environmental Plan actions is ongoing 1 2 2.3 58% Current Liabilities 42% Non-Current Liabilities 0.4 2.2 0.4 5.6 1.4 -9.2 1.1 1.4 1.7 Total amount of provisions Disbursements made Realization of present value adjustment Provision 3Q232 The Company cannot eliminate future developments related to the matter or its associated expenses, and the costs to be incurred by Braskem could differ from its estimates or accrued amounts Fonte: Braskem | Nota (1): The total amount of provisions related to the geological event in Alagoas is R$14.4 billion, of which R$9.2 billion has already been disbursed and with an AVP (adjustment to present value) of R$0.4 billion. Note (2): The net balance of provisions, at the end of June/23, was approximately R$6.5 billion, and at the end of July/23 it reached R$5.6 billion. PUBLIC Braskem 67#67Outlook for the Future Braskem PUBLIC#68Our priorities for 2023 נו Optimize asset operation and focus on cost discipline Q 225 Implement financial preservation initiatives, with a focus on creating value for shareholders Prioritize, selectively, investments related to eliminating plastic waste and combating climate change, and focus on initiatives related to social responsibility and human rights Amplify strategic innovation and digital transformation Advance on all action fronts related to the geological event in Alagoas, fulfilling the commitments established in agreements SAFE OPERATIONS are and always will be the focus of Braskem's operations, as a PERMANENT AND NONNEGOTIABLE VALUE OF OUR STRATEGY Source: Braskem PUBLIC Braskem 71#69Finally, Braskem has several attributes and characteristics that could potentially attract investors Why invest in Braskem? GLOBAL COMPANY LEADER IN THE MARKETS THAT WE PLAY EFFECTIVE COMPLIANCE AND GOVERNANCE SYSTEM CONCRETE CONTRIBUTIONS TO SUSTAINABLE DEVELOPMENT CLIENT FOCUSED AND A FUTURE-ORIENTED COMPANY RISK MANAGEMENT AS PART OF THE CORPORATE STRATEGY ROBUST FINANCIAL STRATEGY Industrial units located in Brazil, United States, Mexico and Germany and Global commercial network, with offices in the Americas, Europe and Asia, serving clients in several countries globally Leader in the Americas and 6th largest producer of thermoplastic resins in the world; Only integrated petrochemical company in basic chemicals and polymers in Brazil Conclusion of external monitoring, after the fulfillment of the commitments assumed with DoJ1, SEC² and MPF³; Level 1 of Corporate Governance in B3 World leader in biopolymers and committed to the Carbon Neutral Circular Economy and ESG fundamentals Commercial strategy focused on partnership and proximity with clients and implementation of digital initiatives, with the goal of transforming our core business and also creating new business models Geographic and feedstock diversification strategy to increase business profitability and mitigate risks and also a natural hedge against currency fluctuation Strong liquidity position, with most debt maturing in the long term and consistent operating cash generation, even in periods of down cycles in the petrochemical industry Source: Braskem. Note (1): Department of Justice (DOJ). Note (2): Securities and Exchange Commission (SEC). Note (3): Federal Prosecution Office (MPF). PUBLIC Braskem 72#70INVESTOR PRESENTATION 2023 Investor Relations IR website: https://www.braskem-ri.com.br/ E-mail: [email protected] Phone: +55 (11) 3576-9531 Spotify ► YouTube Braskem 73