Slide 1: lease
lease “3 te a
Slide 2: Key Operational Indicators
a ‘Che AH2 M25 Che Key Operational Indicators SOS Oa, ie = =| nt 8 @ 6 we we © © eye aa isto ate Ehylene * 7% ~KSCSCAK:SC*C*pD App. Sales Volume of Main Chemis t se mw KD Sales Volume of Main Chemicals Exports & oo 0 SKK sk Aicimc othe Py 3 mo mK Sales Volume of Resin Exports t mma Utilization Rate
Slide 3: International Reference Prices
che Che. wave) (aye) ® [BRAZIL/SOUTH AMERICA international Reference Price? Brent Us6/bbI Natural Gas uss/mmetu 367 1% Naphtha ussyt 55 (21% ethane ussyt 158 174 ve 9% IK 165 90-13% Propane uss/t 407 M5018 OK 376 a1 Resins (i) ussyt 1397934892 50K STH ANGS 82726 Pus ussyt 4581 4003 «= 933. 58% 70% 1
Slide 4: Brazil: demand for resins and net revenue
· Demand for resins in the Brazilian market (PE, PP and PVC): an increase compared to 1Q26 (+3%), mainly due to higher demand for (i) PVC (+11%), particularly in the pipes and fittings and other construction materials sectors; and (ii) PP (+2%), due to inventory replenishment in the transformation c
Slide 5: US and Europe: average prices and spreads
202510262025 ‘Che = -1H26 HZ Che ralrectia Unie 0 w® _wre)__ a o © eve “Average Price - US and Europe (i) ussye 178612974312 38% 30% 1367 BK PP US Uss/t 4,731 1,290 1,282, 34% 35% 1,361 11% PP Europe Uss/t 1,930 1317 1,390 47% 39% 1,380 18% ‘Average Price - Raw Material (ii) USs/t 1,317 930 935 42%
Slide 6: Demand for PP in North America and Europe
· Demand for PP: demand for PP in North America increased (+5%) compared to 1Q26, mainly due to inventory replenishment along the region’s transformation chain amid uncertainties related to the conflict in the Middle East. In Europe, PP demand was lower (-10%), mainly explained by higher
Slide 7: Demand for PE in the Mexican market
· Demand for PE in the Mexican market: lower compared to 1Q26 (-2%) and 2Q25 (-6%), mainly due to the advanced purchases made in 1Q26 as a result of the onset of the conflict in the Middle East and uncertainties regarding potential price increases in the following months. · Net revenue: higher compa
Slide 8: Consolidated income statement
2026-1028 2025 Che. 1H260«1H2S Che. peer Oo we) i) oye Gross Revenue 24852 18093 208853719 ADONS 3A] IK Net Revenue Dus 1548817857 2237202737 Cost of Good Sold (15400) (14,388) (17495) aK 6% (80.788) (B56) -1e Gross Proft 5a3 1300 362K na, L672 BAN ‘selling and Distribution Expenses (a7 oa) (S) IK A
Slide 9: Net Revenue (R$ million) | Consolidated
Net Revenue (R§ millon} | Consolidated 1026 59% ox WM bract MBLUsA and europe Ml Exports? Ml Green PE + ETBE ME Mexico coniers nly expert trom Saat hays Yor 1026 to consider the volume of Green PE sles in eis inte Be
Slide 10: Other Income (Expenses), Net
4.3 OTHER INCOME (EXPENSES), NET
Slide 11: 2Q26 net income drivers
In 2Q26, Braskem recorded net income of R$4 million, mainly due to: (i) the net recovery of approximately US$31 million (R$155 million) in presumed PIS/COFINS credits under REIQ Raw Materials relating to the abrupt suspension of the tax regime in July 2022, in breach of the Brazilian National Tax Co
Slide 12: Consolidated Financial Result
4.5 CONSOLIDATED FINANCIAL RESULT
Slide 13: Consolidated results composition
Braskem's consolidated results comprise profit or loss in Brazil, the United States and Europe and Mexico, less the elimination and reclassification of purchases and sales between the Company's reportable segments and the sum of total amounts reported from Other segments.
Slide 14: REIQ Investments
· REIQ Investments: at the end of 2Q26, the Company recorded approximately US$16 million (R$82 million) in net tax credits through REIQ Investments. This amount is mainly related to investments in the implementation of the Transforma Rio project, technology to improve efficiency in the resin chain,
Slide 15: Ethane Import Terminal (TQPM)
· Ethane Import Terminal (TQPM): In May 2025, construction of the ethane import terminal in Mexico was completed through the subsidiary Terminal Química Puerto México (TQPM). This project involves a joint venture between Braskem Idesa and Advario, in which each shareholder holds a 50% stake. Financi
Slide 16: Braskem Idesa Cash Generation
4.8.2 BRASKEM IDESA CASH GENERATION
Slide 17: Cash Flow Generation
Cash Flow Generation 2Q26 1Q26 2025 Chy Chy RS million (a) (8) (c)_(ay(s) (ANIC) Recurring EBITDA. 289 (73) (47) na. a Operational CAPEX (95) (a7) (178) 450% 46% Changes in Working Capital 9 193 (153) -95% na. Operational Cash Generation 203 98 (376) 108% na. Interest Paid (21) (59) (203) 68% -90% C
Slide 18: Gross debt calculation includes lease liabilities
Beginning in 2Q26, the calculation of Gross Debt, excluding Braskem Idesa and TQPM, includes lease liabilities. This adjustment was applied retrospectively for comparability purposes.
Slide 19: Braskem Restructuring
4.9.2 BRASKEM RESTRUCTURING In September 2025, the Company has engaged legal and financial advisors — Lazard Inc., Cleary Gottlieb Steen & Hamilton LLP, and E. Munhoz Advogados — to support it in the preparation of a comprehensive assessment of the economic and financial alternatives for the reorgan
Slide 20: Braskem Idesa advisors and capital structure review
In September 2025, the Company announced that Braskem Idesa hired advisors to support them in evaluating a wide range of economic and financial options in order to review its current capital structure. This decision reflects Braskem Idesa's continued efforts to preserve its liquidity and improve its
Slide 21: Corporate Credit Rating - Braskem Idesa
CORPORATE CREDIT RATING - BRASKEM IDESA Agency Rating Outlook Date FITCH RD - 11/26/2025 S&P D : 11/20/2025
Slide 22: Stock Performance
Stock Performance 160 120 1% -16% 2» 18% -30% 0 Jan Feb Mar Apr May jun —1Bov — BRKMS — BRKM3 — BAK ‘Source Bloomberg
Slide 23: Free Float and Shareholding Composition
Free Float distribution in 06/30/2026 OOo Mi braziians Wi Foreigners ($60 shares amount) (i ndviduals Bi Legal Enis Shareholding composition in 06/30/2026 (63 + NYSE) 4 MESHINEI FIP Mi others Ml Petrobras Tresury Wi Aon:
Slide 24: Sales by Industry (%) | Mexico Segment
Sales by Industry (%) | Mexico Segment
Slide 25: Sales by Economic Activity
‘Sales by Economic Activity, 2026 » an 20% Es 1426 23% bx ue x 2025 w% ee 62g & Fiims Hygiene and cleaning i iodustiat BE Chemicals (Packaging Ml Construction and infrastructure Ml others
Slide 26: COGS Breakdown (%) | United States and Europe Segment
COGS Breakdown (%) | United States and Europe Segment
Slide 27: COGS Breakdown (%) | Mexico Segment
COGS Breakdown (%) | Mexico Segment Considers management figures for the reportable segments.
Slide 28: Updates on Alagoas
UPDATES ON ALAGOAS In May 2019, the Geological Survey of Brazil (“CPRM”) issued a report, indicating that the geological phenomenon identified in certain neighborhoods of the municipality of Maceió, Alagoas, could be related to the rock salt well exploration activities developed by Braskem. The salt
Slide 29: Amounts recognized for Alagoas workstreams
The total amounts recognized since the beginning of the actions related to the geological event in Alagoas through the period ended June 30, 2026, are allocated among the following workstreams:
Slide 30: Support for relocation and compensation
a) Support for relocation and compensation: Refers to actions to support for relocating and compensating for the residents, business and real state owners of properties located in the Civil Defense Map, including compensation that requires special relocation measures, such as hospitals, schools, and
Slide 31: Recurring EBITDA Statement
Recurring EBITDA Statement (R$ milion) 2026 1026 2025 Che. 1H26 1H25 Che, CONSOLIDATED w (e) cy (atc) ( (CHOC) Net Profit 33241245 (a1) na. 4,569 2at na. Income Tax / Social Contribution 238 (293) (140) na, 55 co) na. Financial Result 49g (1,348) Fa na. na (43) (680) 23% Depreciation, amortization a
Slide 32: Consolidated information by segment (R$ million)
[Consolidated information by segment 2026 Net Gross Minority Other income Operating Recurring (R$ milion) Revenue as Profit SCBA interest. and Expenses Profit EAITDA Reportable Segments Brazil" 16,027 (11,830) 4,198 (433) - 217 3,981 4373 U.S. and Europe 5,468 (4,652) B16 (203) - 4 617 739 Mexico 1,
Slide 33: Consolidated information by segment (US$ million)
Other conoated information by segment 2026 Mir —— [uss miton ume cae) SES Gee ee ey Reportable segments Brazil’ 3,177 (2,343) 834 (86) - 4 ‘792 869 USS. and Europe 1,085 (923) 162 (40) z 1 123 147 Mexico 2 (179) aL (34) - (20) (23) 87 ‘Segments Total 4A73 (3,445) 1,028 (160) 5 25 392 11073 ‘Other Se
Slide 34: Indicators
Indicators Chg. Che. US$ million (aye) —_(AY/(C) Recurring EBITDA. 1.043 192 74 na. EBITDA Margin’ 24% 1% 2% 22 pp. SG&A/Net Revenue (%) 6% 9% ™% 3p. -1pp. Pina Adjusted Net Debt 9.427 9.180 7.589 3% 24% Adjusted Net Debt/Recuring EBITDA (LTM)? 6,74x 18,18x 11,62x -63% ~A2% Recurring EBITDA (LTM)/In
Slide 35: Consolidated balance sheet
Assets Change (R$ million) (ay/ie) Current 12% Cash and Cash Equivalents 3931 «4678 “16% Marketable Securities/Held for Tra 19971368 46% ‘Accounts Receivable 4199 3.928 7% Inventories 13275 11.273 18% Recoverable Taxes 2547-2451 4% Income Tax and Social Contribution 375 482 22% Derivatives 235 329 -
Slide 36: Consolidated Cash Flow
[Consolidated Cash Flow 2026 «(1026 Che = 1H26.— «AHS Che, R$ million “ @ (Vc) (0) (Ov) Profit (Loss) Before Income Tax and Social Contribution 3,562 953 na 4514 286 na. ‘Adjust for Result Restatement Depreciation and Amortization aass i738 1237 1% % 23322428 a Equity Result Fy 4 a5) 90% na. vs a na
Slide 37: Braskem Idesa Income Statement
Income Statement (RS million) 202% 10282025 che. Che. 1426 1H25 Che. EM IDESA “ @) (© wyiis)__tayic) cy (©) (ov/e) ‘Net Revenue 998 856 1,002 o% = 4gs¢ 2,268 0) Cost of Products Sold (296) (e27) (2,281) “84% (1,123) (2,349) ) Gross Profit 802 (71) (239) na. bat (60) na. Selling and Distribution (65)
Slide 38: Braskem Idesa balance sheet
ange ASSETS (R$ millio (a) (B) (a)/(B) Current 2,778 2,823, Cash and Cash Equivalents 353 230 Accounts Receivable 562 442 Inventories 918 965 Recoverable Taxes 692 729 Other 253 457 Non Current 18,154 17,670 Taxes Recoverable 234 238 Deferred Income Tax and Social Contribution 2,395 2,450 Other 25 4
Slide 39: Braskem Idesa cash flow
2026 1026 2025 Che. a 1426 425 Var. “) () © wve)__ wie) ©) (SO) Profit (Loss) Before Income Tax and Social Contribution 338 (620), (63) na cz (G82) (255), “60% ‘Adjustments for Reconciliation of Profit (Loss) - - - 0% 0% . 0% Depreciation and Amortization 352 324 308 o% 14% 676 563 20% Equity Result