LyondellBasell posts $758M Q3 2026 net income

LYB expects fourth-quarter operating rates of 85% for North American O&P, 60% for European O&P and 75% for I&D.

Rhea-AI Filing Summary

LyondellBasell Industries N.V. reported third-quarter 2026 net income of $758 million ($2.32 per diluted share), EBITDA of $1.420 billion and revenue of $8.499 billion. In the same quarter of 2025, it recorded a net loss of $890 million, a diluted loss of $2.77 per share, an EBITDA loss of $480 million and revenue of $7.727 billion. Excluding identified items, third-quarter net income was $828 million and EBITDA was $1.512 billion. Cash from operating activities was $1.7 billion, including a working-capital release; cash and cash equivalents were $3.227 billion as of September 30, 2026.

The company agreed to sell Houston Refining, L.P., which owns its former Houston refinery site and related assets, to a subsidiary of Valero Energy Corporation for $320.5 million. The sale is expected to close in the fourth quarter of 2026, subject to regulatory and other customary closing conditions. LYB repaid its €500 million note maturity in September and paid $224 million in dividends during the quarter. Fourth-quarter operating rates are expected to be 85% for North American O&P assets, 60% for European O&P assets and 75% for I&D assets.

2 points · 1 major

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It reads the document as published, with the same rules for every company, and it does not look at what the market expected or at how the stock traded, so a point can be objectively good on a day the stock falls.

Rhea-AI Sentiment measures something else, the tone of the wording.

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Positive

• Major pointNet income: $758 million, versus a $890 million loss a year earlier.
• Moderate pointQuarterly revenue: $8.499 billion, versus $7.727 billion a year earlier.

Negative

• Moderate pointO&P-Americas EBITDA fell $542 million sequentially.

Filing Explained

At September 30, 2026, LyondellBasell reported total liquidity of $7,685 million, including $3,235 million of cash and liquid investments plus availability under its senior revolving and U.S. receivables facilities. The total therefore includes facility availability, not just funds held in cash or investments.

8-K Event Classification

4 items: 1.01, 2.02, 8.01, 9.01

4 items

Item 1.01 Entry into a Material Definitive Agreement Business

The company signed a significant contract such as a merger agreement, credit facility, or major partnership.

Item 2.02 Results of Operations and Financial Condition Financial

Disclosure of earnings results, typically an earnings press release or preliminary financials.

Item 8.01 Other Events Other

Voluntary disclosure of events the company deems important to shareholders but not covered by other items.

Item 9.01 Financial Statements and Exhibits Exhibits

Financial statements, pro forma financial information, or exhibit attachments filed with this report.

Key Figures

Revenue: $8.499 billion Net income: $758 million Diluted earnings per share: $2.32 per share +4 more

7 metrics

Revenue $8.499 billion Three months ended September 30, 2026; $7.727 billion in the same quarter of 2025.

Net income $758 million Three months ended September 30, 2026; net loss of $890 million in the same quarter of 2025.

Diluted earnings per share $2.32 per share Three months ended September 30, 2026; diluted loss of $2.77 per share in the same quarter of 2025.

EBITDA $1.420 billion Three months ended September 30, 2026; EBITDA loss of $480 million in the same quarter of 2025.

EBITDA excluding identified items $1.512 billion Three months ended September 30, 2026; $835 million in the same quarter of 2025.

Cash from operating activities $1.7 billion Third quarter 2026, including a release of working capital.

Houston Refining sale price $320.5 million Agreement to sell Houston Refining, L.P. to a subsidiary of Valero Energy Corporation.

Key Terms

EBITDA, identified items, working capital, LIFO

4 terms

EBITDA financial

"Third quarter 2026 EBITDA was $1.4 billion"

EBITDA stands for earnings before interest, taxes, depreciation, and amortization. It measures a company's profitability by focusing on the money it makes from its core operations, ignoring expenses like taxes and accounting adjustments. Investors use EBITDA to compare how well different companies are performing financially, as it provides a clearer picture of operational success without the influence of financial structure or accounting choices.

identified items financial

"EBITDA excluding identified items"

Items that have been spotted, recorded and singled out during a review, audit, inventory, investigation or regulatory filing. These can be specific transactions, discrepancies, assets, liabilities, findings or observations that the reviewer has flagged for attention; like sticky notes on a report that point to things that need explanation or further action. For investors, identified items show where a company’s records or operations differ from expectations and may affect financial results or disclosures.

working capital financial

"including a release of working capital"

Working capital is the money a business has available to cover its daily expenses, like paying bills and buying supplies. It’s like the cash in your wallet that helps you handle everyday costs; having enough ensures the business can operate smoothly without running into money shortages.

LIFO financial

"last-in, first-out (LIFO) inventory valuation methodology"

An accounting method that assumes the most recently acquired inventory items are sold first, so the newest costs flow into cost of goods sold while older costs stay on the balance sheet. Imagine a stack of boxes where you take from the top; when prices are rising, that top-first approach produces higher reported costs and lower reported profits, which can reduce taxes and change profit margins. Investors watch LIFO because it affects reported earnings, tax liabilities, and how comparable a company’s performance is to peers.

Earnings Snapshot

Revenue: $8.499 billion · Guidance included

Three months ended September 30, 2026

Revenue $8.499 billion Compared with $7.727 billion in the three months ended September 30, 2025.

Net income $758 million Compared with a net loss of $890 million in the three months ended September 30, 2025.

Diluted earnings per share $2.32 per share Compared with a diluted loss of $2.77 per share in the three months ended September 30, 2025.

EBITDA $1.420 billion Compared with an EBITDA loss of $480 million in the three months ended September 30, 2025.

EBITDA excluding identified items $1.512 billion Compared with $835 million in the three months ended September 30, 2025.

Guidance

Fourth-quarter operating rates are expected to be 85% for North American O&P assets, 60% for European O&P assets and 75% for Intermediates & Derivatives assets.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What were LYB's third-quarter 2026 earnings?

LYB reported net income of $758 million, or $2.32 per diluted share, and EBITDA of $1.420 billion for the third quarter of 2026. Excluding identified items, net income was $828 million, diluted EPS was $2.54, and EBITDA was $1.512 billion.

What are the terms of LYB's Houston Refining sale?

LYB agreed to sell Houston Refining, L.P., which owns its former Houston refinery site and related assets, to a subsidiary of Valero Energy Corporation for $320.5 million. The sale is expected to close in the fourth quarter of 2026, subject to regulatory and other customary closing conditions.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 10/30/2026 - 06:31 AM EDT Accepted by SEC EDGAR 10/30/2026 - 06:31 AM EDT Learn about SEC filing dates

0001489393False00014893932026-10-302026-10-300001489393country:GB2026-10-302026-10-300001489393country:NL2026-10-302026-10-30

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549 

 ____________________________________________

FORM 8-K

____________________________________________ 

CURRENT REPORT

Pursuant to Section 13 or 15(d)

of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): October 29, 2026

____________________________________________ 

LYONDELLBASELL INDUSTRIES N.V.

(Exact name of registrant as specified in its charter) 

 ____________________________________________ 

Netherlands			001-34726			98-0646235
(State or other jurisdiction of incorporation)			(Commission file number)			(I.R.S. Employer Identification No.)

2800 Post Oak Blvd.,

4th Floor, One Vine Street

Suite 5100

London

Delftseplein 27E

Houston, Texas

W1J0AH

3013AA

Rotterdam

USA

77056

United Kingdom

Netherlands

(Address of principal executive offices) (Zip code)

(713) 309-7200 +44 (0) 207 220 2600 +31 (0) 10 275 5500

(Registrant’s telephone numbers, including area codes) 

(Former name or former address, if changed since last report)

_____________________________________

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of Each Class

Trading Symbol

Name of Each Exchange On Which Registered

Ordinary Shares, €0.04 Par Value

LYB

New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company  ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.  ☐

Item 2.02.    Results of Operations and Financial Conditions.

On October 30, 2026, LyondellBasell Industries N.V. (the “Company”) announced earnings results for the quarter ended September 30, 2026 and provided a supplemental discussion of segment results. Copies of our earnings release and segment results are attached as Exhibit 99.1 and 99.2, respectively, and are incorporated into this Item 2.02 by reference.

The information in this Item 2.02 of this Current Report on Form 8-K, including Exhibits 99.1 and 99.2 furnished herewith, shall not be deemed to be “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), and will not be incorporated by reference into any filing under the Exchange Act or the Securities Act of 1933, as amended, unless specifically identified therein as being incorporated therein by reference.

Item 8.01.    Other Events.

On October 29, 2026, the Company entered into an agreement with a subsidiary of Valero Energy Corporation to sell the Company’s wholly owned subsidiary, Houston Refining, L.P., which owns the former Houston refinery site and related assets, for a purchase price of $320.5 million. The sale is expected to close in the fourth quarter of 2026, subject to regulatory and other customary closing conditions. The sale follows the Company’s shutdown of refining operations at the site in February 2025.

Cautionary Note Regarding Forward-looking Statements.

The statements in this Form 8-K relating to matters that are not historical facts are forward-looking statements. These forward-looking statements are based upon assumptions of management which are believed to be reasonable at the time made and are subject to significant risks and uncertainties. Actual results could differ materially from the anticipated results, or other expectations expressed in this Form 8-K, including, but not limited to, receipt of required regulatory approvals or the expiration of applicable waiting periods; the satisfaction of closing conditions; and our ability to complete the transaction described in this release within the time period suggested. While these statements are made in good faith, LyondellBasell and its management cannot guarantee that anticipated future results will be achieved. Additional factors that could cause results to differ materially from those described in the forward-looking statements can be found in the “Risk Factors” section of our Form 10-K for the year ended December 31, 2025, which can be found at www.LyondellBasell.com on the Investor Relations page and on the Securities and Exchange Commission's website at www.sec.gov.

Item 9.01.     Financial Statements and Exhibits.

(d) Exhibits

Exhibit Number						Description
99.1						Press Release dated October 30, 2026.
99.2						Business Results Discussion by Reporting Segment dated October 30, 2026.
104						The cover page from this Current Report on Form 8-K, formatted in Inline XBRL.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has caused this report to be signed on its behalf by the undersigned, hereunto duly authorized.

LYONDELLBASELL INDUSTRIES N.V.

Date:

October 30, 2026

By:

/s/ Matthew D. Hayes

Matthew D. Hayes

Senior Vice President,

Chief Accounting Officer

(Principal Accounting Officer)

NEWS RELEASE

FOR IMMEDIATE RELEASE

HOUSTON and LONDON, October 30, 2026

LyondellBasell reports third quarter 2026 earnings

•Net income: $758 million, $828 million excluding identified items1

•Diluted earnings per share: $2.32 per share, $2.54 per share excluding identified items

•EBITDA: $1.4 billion, $1.5 billion excluding identified items

•Continued strong EBITDA margin reflecting the resilience of our global, cost-advantaged portfolio, ongoing execution of our Value Enhancement Program and diversified end market exposure

•Demonstrated operational excellence through improved asset reliability and completion of the Clinton turnaround on time and under budget

•Increased cash by approximately $600 million during the quarter including planned €500 million debt repayment

•Progressed our Cash Improvement Plan including reducing global structural fixed costs

LyondellBasell Industries (NYSE: LYB) (the "company") today announced results for the third quarter 2026. Comparisons with the prior quarter and third quarter 2025 are available in the following table:

Table 1 - Earnings Summary

Millions of U.S. dollars (except share data)						Three Months Ended									Nine Months Ended
						September 30, 2026			June 30, 2026			September 30, 2025			September 30, 2026			September 30, 2025
Sales and other operating revenues						$8,499			$9,177			$7,727			$24,873			$23,062
Net income (loss)						758			559			(890)			1,442			(598)
Diluted earnings (loss) per share						2.32			1.71			(2.77)			4.42			(1.89)
Weighted average diluted share count						323			323			322			323			322
EBITDA1						1,420			1,252			(480)			3,240			781

Excluding Identified Items1

Net income excluding identified items						$828			$1,401			$330			$2,392			$642
Diluted earnings per share excluding identified items						2.54			4.30			1.01			7.34			1.96
Loss on sale of business, pre-tax						—			734			6			734			6
Asset write-downs, pre-tax						—			74			1,202			89			1,234
Cash Improvement Plan costs, pre-tax						2			31			7			33			27
Site closure costs, pre-tax						77			30			—			111			117
European transaction costs, net of transition service agreement income, pre-tax						(9)			(11)			17			(10)			27
(Income) loss from discontinued operations, pre-tax						22			17			83			57			(66)
EBITDA excluding identified items						1,512			2,127			835			4,254			2,126

(1) See “Information Related to Financial Measures” for a discussion of the company’s use of non-GAAP financial measures and Tables 2-4 for reconciliations or calculations of these financial measures. “Identified items” include adjustments for lower of cost or market ("LCM"), gain/loss on sale of business, asset write-downs in excess of $10 million in aggregate for the period, Cash Improvement Plan costs, site closure costs, European transaction costs, net of transition service agreement income, and discontinued operations.

1

“In an evolving macroeconomic environment, we delivered another quarter of strong earnings and robust cash conversion through disciplined execution underscored by the strength of our global, cost-advantaged portfolio.” said Peter Vanacker, LYB chief executive officer. “We are leveraging the flexibility and resilience of our leaner structure by optimizing feedstocks, directing products to the most attractive markets and aligning operating rates with demand. The strength of our oxyfuels business and materially higher Intermediates & Derivatives profitability highlight the benefits of our diversified portfolio. We continue to prioritize safety, reliability and cost discipline, to maximize margins, generate cash and deliver sustainable value for our shareholders.”

THIRD QUARTER 2026 RESULTS

The company reported net income for the third quarter 2026 of $758 million, or $2.32 per diluted share. During the quarter, the company recognized $70 million of identified items, net of tax. These items, which impacted third quarter earnings by $0.22 per diluted share, included closure costs for a European propylene oxide (PO) joint venture. Third quarter 2026 EBITDA was $1.4 billion, or $1.5 billion excluding identified items.

Market conditions remained dynamic throughout the third quarter, as ongoing geopolitical uncertainty led to diverging impacts in our key markets. Compared with the second quarter, profitability fell in the Olefins and Polyolefins (O&P) – Americas segment, driven by lower prices for polymers and olefin products. However, the industry's integrated polyethylene margins ended the third quarter at approximately 50% above 2025 levels, supported by positive polyethylene price momentum in September. The company completed the planned turnaround at Clinton on time and under budget, reflecting the ongoing focus on operational excellence. In the O&P – Europe, Asia and International segment, polymer prices fell which pressured margins. Volumes in the third quarter were also lower sequentially, reflecting the sale of certain European assets in May 2026.

Intermediates and Derivatives (I&D) delivered materially higher quarterly profitability, largely driven by oxyfuels. Through the Value Enhancement Program, LYB increased utilization of the Channelview PO/TBA asset to approximately 110%. Bayport PO/TBA operated at full rates after a successful restart in June, leveraging strong customer demand and providing additional support to earnings. Global supply disruptions led to higher crack spreads, and favorable gasoline blend economics boosted octane values. These factors significantly expanded Europe and U.S. oxyfuel margins. Acetyls also benefited from improved reliability at LaPorte.

LYB generated $1.7 billion in cash from operating activities during the third quarter, including a release of working capital. Capital allocation was balanced between capital expenditures of $303 million and $224 million of shareholder returns through dividends. The company also repaid its €500 million note maturity in September as planned. At the end of the quarter, LYB held $3.2 billion in cash and cash equivalents and $7.7 billion in available liquidity.

OUTLOOK

Conditions in the Middle East are likely to remain fluid and a potential return to pre-conflict conditions is likely to be non-linear and take longer than anticipated. Customer buying patterns have been impacted by inventory levels and price volatility, however polyethylene domestic and export demand is strong and polymer pricing improved through the end of the third quarter. Additionally, oxyfuels margins and demand remain strong. As markets continue to adjust, reliable supply and operational flexibility are expected to remain important differentiators. The company's cost-advantaged assets and exposure to diverse end markets are well positioned to underpin future earnings and cash flow.

In the fourth quarter, we expect normal seasonal demand patterns along with ongoing supply uncertainty. The company has a planned maintenance project in a North American polypropylene asset. To align with global demand

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and the company's planned maintenance, LYB expects fourth quarter operating rates of 85% for North American O&P assets, 60% for European O&P assets and 75% for Intermediates & Derivatives assets. The fourth quarter is expected to deliver a seasonal release of working capital.

LYB remains focused on commercial and operational agility in this dynamic market while continuing to execute the Cash Improvement Plan. The company's capital allocation priorities remain unchanged: safely operate and maintain assets, strengthen the balance sheet through disciplined deleveraging, maintain an attractive dividend and invest selectively in opportunities that enhance long-term shareholder value.

CONFERENCE CALL

LYB will host a conference call October 30 at 11 a.m. EDT. Participants on the call will include CEO Peter Vanacker, Executive Vice President and Chief Financial Officer Agustin Izquierdo, Executive Vice President of Global Olefins and Polyolefins Kim Foley, Executive Vice President of Intermediates and Derivatives Aaron Ledet, Executive Vice President of Advanced Polymer Solutions Torkel Rhenman and Head of Investor Relations David Dennison. For event access, the toll-free dial-in number is 1-877-407-8029, international dial-in number is 201-689-8029 or click the CallMe link. The slides and webcast that accompany the call will be available at investors.lyondellbasell.com/earnings. A replay of the call will be available from 1 p.m. ET October 30 until November 30, 2026. The replay toll-free dial-in numbers are 1-877-660-6853 and 201-612-7415. The access ID for each is 13746219.

ABOUT LYONDELLBASELL

We are LyondellBasell (NYSE: LYB), a global leader in the chemical industry. We develop, manufacture and market innovative products for applications ranging from transportation and infrastructure to food safety, clean water and quality healthcare.

We hold leading positions in polyolefins, oxyfuels, propylene oxide and acetyls. Our focus on safe and reliable operations, proprietary technologies and strong portfolio position us for success. Through disciplined investments, we strengthen our core businesses, and build profitable circular and low-carbon solutions that create long-term value for our customers, investors and other stakeholders.

Our commitment to an inclusive global workplace enables employees to do their best work as they create solutions for everyday sustainable living. For more information, please visit https://www.lyondellbasell.com/ or follow @LyondellBasell on LinkedIn.

3

FORWARD-LOOKING STATEMENTS

The statements in this release relating to matters that are not historical facts are forward-looking statements. These forward-looking statements are based upon assumptions of management of LyondellBasell which are believed to be reasonable at the time made and are subject to significant risks and uncertainties. When used in this release, the words “estimate,” “believe,” “continue,” “could,” “intend,” “may,” “plan,” “potential,” “predict,” “should,” “will,” “expect,” and similar expressions are intended to identify forward-looking statements, although not all forward-looking statements contain such identifying words. Actual results could differ materially based on factors including, but not limited to, market conditions, including the prolonged industry downturn, the business cyclicality of the chemical and polymers industries; the availability, cost and price volatility of raw materials and utilities, particularly the cost of oil, natural gas, and associated natural gas liquids; our ability to successfully implement initiatives identified pursuant to our Value Enhancement Program and generate anticipated earnings; competitive product and pricing pressures; labor conditions; our ability to attract and retain key personnel; operating interruptions (including leaks, explosions, fires, weather-related incidents, mechanical failure, unscheduled downtime, supplier disruptions, labor shortages, strikes, work stoppages or other labor difficulties, transportation interruptions, spills and releases and other environmental risks); the supply/demand balances for our and our joint ventures’ products; industry production capacities, operating rates, and the pace of global capacity rationalizations; the impacts and scope of the global supply disruption resulting from the conflict in Ukraine and the Middle East; our ability to manage costs; future financial and operating results; our ability to complete capital projects on time and on budget and successfully operate the asset; our ability to align our assets and grow and upgrade our core; our ability to reduce our fixed costs and increase cash flow; legal and environmental proceedings; tax rulings and related consequences or proceedings; the impacts of tariffs and trade disruptions; technological developments, and our ability to develop new products and process technologies; our ability to meet our sustainability goals, including the ability to operate safely, increase production of recycled and renewable-based polymers to meet our targets and forecasts, and reduce our emissions and achieve net zero emissions by the time set in our goals; our ability to procure energy from renewable sources; our ability to build a profitable Circular & Low Carbon Solutions business; our ability to improve the business performance of our Advanced Polymers Solutions segment and its ability to secure new customers; potential governmental regulatory actions; political unrest and terrorist acts; risks and uncertainties posed by international operations, including foreign currency fluctuations; our ability to maintain our investment-grade credit rating and execute our capital allocation strategy, including our ability to pay dividends; and our ability to comply with debt covenants and to repay our debt. Additional factors that could cause results to differ materially from those described in the forward-looking statements can be found in the “Risk Factors” section of our Form 10-K for the year ended December 31, 2025, which can be found at www.LyondellBasell.com on the Investors page and on the Securities and Exchange Commission’s website at www.sec.gov. There is no assurance that any of the actions, events or results of the forward-looking statements will occur, or if any of them do, what impact they will have on our results of operations or financial condition. Forward-looking statements speak only as of the date they were made and are based on the estimates and opinions of management of LyondellBasell at the time the statements are made. LyondellBasell does not assume any obligation to update forward-looking statements should circumstances or management’s estimates or opinions change, except as required by law.

4

INFORMATION RELATED TO FINANCIAL MEASURES

This release makes reference to certain non-GAAP financial measures as defined in Regulation G of the U.S. Securities Exchange Act of 1934, as amended.

We report our financial results in accordance with U.S. generally accepted accounting principles ("GAAP"), but believe that certain non-GAAP financial measures, such as EBITDA, and EBITDA, net income and diluted EPS exclusive of identified items provide useful supplemental information to investors regarding the underlying business trends and performance of the company's ongoing operations and are useful for period-over-period comparisons of such operations. Non-GAAP financial measures should be considered as a supplement to, and not as a substitute for, or superior to, the financial measures prepared in accordance with GAAP.

We calculate EBITDA as net income (loss) plus interest expense, net, provision for (benefit from) income taxes, and depreciation and amortization. EBITDA should not be considered an alternative to profit or operating profit for any period as an indicator of our performance, or as an alternative to operating cash flows as a measure of our liquidity. We also present EBITDA, net income and diluted EPS exclusive of identified items. Identified items include adjustments for lower of cost or market (“LCM”), gain/loss on sale of business, asset write-downs in excess of $10 million in aggregate for the period, Cash Improvement Plan costs, site closure costs, European transaction costs, net of transition service agreement income, and discontinued operations. Asset write-downs include impairments of goodwill and impairments of long-lived assets. Our inventories are stated at the lower of cost or market. Cost is determined using the last-in, first-out (“LIFO”) inventory valuation methodology, which means that the most recently incurred costs are charged to cost of sales and inventories are valued at the earliest acquisition costs. Fluctuation in the prices of crude oil, natural gas and correlated products from period to period may result in the recognition of charges to adjust the value of inventory to the lower of cost or market in periods of falling prices and the reversal of those charges in subsequent interim periods, within the same fiscal year as the charge, as market prices recover. A gain/loss on sale of a business is calculated as the consideration received from the sale less its carrying value. We evaluate property, plant and equipment and definite-lived intangible assets whenever impairment indicators are present. If it is determined that an asset or asset group’s undiscounted future cash flows will not be sufficient to recover the carrying amount, an impairment charge is recognized to write the asset down to its estimated fair value. Goodwill is tested for impairment annually in the fourth quarter or whenever events or changes in circumstances indicate that the fair value of a reporting unit with goodwill is below its carrying amount. If it is determined that the carrying value of the reporting unit including goodwill exceeds its fair value, an impairment charge is recognized. We assess our equity investments for impairment whenever events or changes in circumstances indicate that the carrying amount of the investment may not be recoverable. If the decline in value is considered to be other-than-temporary, the investment is written down to its estimated fair value. In June 2025, we announced the divestiture of select olefins and polyolefins assets and the associated businesses in Europe, in May 2026 we completed the divestiture. In connection with the divestiture we recognized selling expenses, separation costs and employee-related charges (collectively referred to as "European transaction costs"), income from the transition service agreement and loss on sale of business. In April 2025, the company announced the Cash Improvement Plan, focused on strengthening financial performance, which resulted in employee-related charges across all segments. In March 2025, we announced the permanent closure of our Dutch PO joint venture asset, resulting in the recognition of shutdown-related charges in our Intermediates & Derivatives ("I&D") segment. Additionally, we recognized shutdown and employee-related charges related to sites in our Advanced Polymer Solutions ("APS") and Olefins & Polyolefins – Europe, Asia, International ("O&P-EAI") segments. In February 2025, we ceased business operations at our Houston refinery. Accordingly, our refining business, previously disclosed as the Refining segment, is reported as a discontinued operation.

5

These non-GAAP financial measures as presented herein, may not be comparable to similarly titled measures reported by other companies due to differences in the way the measures are calculated. In addition, we include calculations for certain other financial measures to facilitate understanding. This release contains time sensitive information that is accurate only as of the time hereof. Information contained in this release is unaudited and subject to change.

LyondellBasell undertakes no obligation to update the information presented herein except to the extent required by law.

Additional operating and financial information may be found on our website at investors.lyondellbasell.com.

###

Source: LyondellBasell Industries

Investor Contact: David Dennison +1 713-309-4987

Media Contact: Barrie Lee +1 713-309-4791

6

Table 2 - Reconciliations of Net Income (Loss) to Net Income Excluding Identified Items and to EBITDA Including and Excluding Identified Items
						Three Months Ended																		Nine Months Ended
Millions of U.S. dollars						September 30, 2026						June 30, 2026						September 30, 2025						September 30, 2026						September 30, 2025
Net income (loss)						$	758					$	559					$	(890)					$	1,442					$	(598)
Identified items
add: Loss on sale of business, pre-tax(a)						—						734						6						734						6
add: Asset write-downs, pre-tax(b)						—						74						1,202						89						1,234
add: Cash Improvement Plan costs, pre-tax(c)						2						31						7						33						27
add: Site closure costs, pre-tax(d)						77						30						—						111						117
add: European transaction costs, net of transition service agreement income, pre-tax(e)						(9)						(11)						17						(10)						27
less: (Income) loss from discontinued operations, pre-tax						22						17						83						57						(66)
less: Benefit from income taxes related to identified items						(22)						(33)						(95)						(64)						(105)
Net income excluding identified items						$	828					$	1,401					$	330					$	2,392					$	642
Net income (loss)						$	758					$	559					$	(890)					$	1,442					$	(598)
Provision for (benefit from) income taxes						183						232						(49)						409						91
Depreciation and amortization						370						347						350						1,059						1,005
Interest expense, net						109						114						109						330						283
EBITDA						1,420						1,252						(480)						3,240						781
Identified items
add: Loss on sale of business(a)						—						734						6						734						6
add: Asset write-downs(b)						—						74						1,202						89						1,234
add: Cash Improvement Plan costs(c)						2						31						7						33						27
add: Site closure costs(d)						77						30						—						111						117
add: European transaction costs, net of transition service agreement income(e)						(9)						(11)						17						(10)						27
less: EBITDA from discontinued operations						22						17						83						57						(66)
EBITDA excluding identified items						$	1,512					$	2,127					$	835					$	4,254					$	2,126

(a) In May 2026, we disposed of select European O&P assets and the associated businesses, resulting in the recognition of a loss in our O&P-EAI segment. In September 2025, we sold our U.S. specialty powders business, resulting in the recognition of a loss in our APS segment.

(b) Includes asset write-downs in excess of $10 million in aggregate for the period. For the nine months ended September 30, 2026, we recognized non-cash asset write-downs of $89 million, including a $74 million impairment charge recognized in the second quarter related to a plastic waste sorting facility in Houston, Texas, within our Olefins & Polyolefins – Americas segment and $15 million related to property, plant and equipment ("PP&E") in the O&P-EAI segment. For the nine months ended September 30, 2025, we recognized non-cash asset write-downs of $1,234 million, which included non-cash goodwill impairment charges of $400 million in our O&P-EAI segment and $572 million in our APS segment, non-cash impairment charges of $111 million for intangible assets and $99 million for PP&E in our APS segment, and non-cash impairment charges of $43 million for PP&E related to the European assets classified as held for sale within our O&P-EAI segment.

(c) In April 2025, the company announced the Cash Improvement Plan, focused on strengthening financial performance, which resulted in employee-related charges across all segments.

(d) In March 2025, we announced the permanent closure of our Dutch PO joint venture asset, resulting in shutdown-related charges of $76 million and $117 million for the nine months ended September 30, 2026 and 2025, respectively, within our I&D segment. Additionally, for the nine months ended September 30, 2026, we recognized $31 million of employee-related charges related to the planned closure of our polypropylene asset in Brindisi, Italy, within our O&P-EAI segment.

(e) In June 2025, we announced plans to sell select European O&P assets and the associated businesses, resulting in selling expenses, separation costs and employee-related charges in our O&P-EAI segment. Transition service agreement income was $10 million and $18 million, for the three and nine months ended September 30, 2026, respectively.

7

Table 3 - Reconciliation of Diluted EPS to Diluted EPS Excluding Identified Items
						Three Months Ended																		Nine Months Ended
						September 30, 2026						June 30, 2026						September 30, 2025						September 30, 2026						September 30, 2025
Diluted earnings (loss) per share						$	2.32					$	1.71					$	(2.77)					$	4.42					$	(1.89)
Identified items
add: Loss on sale of business						—						2.27						0.02						2.27						0.02
add: Asset write-downs(a)						—						0.18						3.51						0.21						3.58
add: Cash Improvement Plan costs						0.01						0.07						0.01						0.08						0.06
add: Site closure costs						0.17						0.06						—						0.24						0.27
add: European transaction costs, net of transition service agreement income						(0.02)						(0.03)						0.05						(0.02)						0.08
less: (Income) loss from discontinued operations						0.06						0.04						0.19						0.14						(0.16)
Diluted earnings per share excluding identified items						$	2.54					$	4.30					$	1.01					$	7.34					$	1.96

(a) Includes asset write-downs in excess of $10 million in aggregate for the period.

Table 4 - Calculation of Cash and Liquid Investments and Total Liquidity
Millions of U.S. dollars						September 30, 2026
Cash and cash equivalents						$	3,227
Restricted cash						8
Short-term investments						—
Cash and liquid investments						3,235
add:
Availability under Senior Revolving Credit Facility						3,750
Availability under U.S. Receivables Facility						700
Total liquidity						$	7,685

8

LYONDELLBASELL BUSINESS RESULTS DISCUSSION BY REPORTING SEGMENT

LyondellBasell (LYB) manages operations through five operating segments: 1) Olefins and Polyolefins-Americas; 2) Olefins and Polyolefins-Europe, Asia, International; 3) Intermediates and Derivatives; 4) Advanced Polymer Solutions; and 5) Technology.

This information should be read in conjunction with our Earnings Release for the period ended September 30, 2026, including the forward-looking statements and information related to financial measures.

Olefins & Polyolefins-Americas (O&P-Americas) - Our O&P-Americas segment produces and markets olefins and co-products, polyethylene and polypropylene.

Table 1 - O&P-Americas Financial Overview

Millions of U.S. dollars			Three Months Ended						Nine Months Ended
			September 30, 2026			June 30, 2026						September 30, 2026			September 30, 2025
Operating income			$469			$1,003						$1,614			$473
EBITDA			641			1,183						2,151			982
Identified items: Asset write-downs			—			74						74			9
Identified items: Cash Improvement Plan costs			—			10						10			6
EBITDA excluding identified items(a)			641			1,267						2,235			997

(a) See "Information Related to Financial Measures" for a discussion of the company's use of non-GAAP financial measures and Table 6 for reconciliations of these financial measures. “Identified items” include adjustments for lower of cost or market ("LCM"), gain/loss on sale of business, asset write-downs in excess of $10 million in aggregate for the period, Cash Improvement Plan costs, site closure costs, European transaction costs, net of transition service agreement income, and discontinued operations.

Three months ended September 30, 2026 versus three months ended June 30, 2026 - EBITDA decreased by $542 million, or $626 million excluding identified items, versus the second quarter of 2026. The decrease was driven by lower margins from softening prices and market conditions, reflecting pricing volatility associated with the conflict in the Middle East. Compared to the prior period, olefins results decreased approximately $320 million. In the third quarter of 2026, the company's ethylene crackers operated at approximately 90% of capacity, with the raw materials being approximately 75% ethane and 25% other natural gas liquids. Combined polyolefins results decreased approximately $265 million.

Nine months ended September 30, 2026 versus nine months ended September 30, 2025 - EBITDA increased $1,169 million, or $1,238 million excluding identified items, versus the first nine months of 2025. The increase was driven by stronger margins as prices increased due to the conflict in the Middle East. Compared to the prior period, olefins results increased approximately $715 million. Combined polyolefins results increased approximately $545 million.

1

Olefins & Polyolefins-Europe, Asia, International (O&P-EAI) - Our O&P-EAI segment produces and markets olefins and co-products, polyethylene and polypropylene.

Table 2 - O&P-EAI Financial Overview

Millions of U.S. dollars			Three Months Ended						Nine Months Ended
			September 30, 2026			June 30, 2026						September 30, 2026			September 30, 2025
Operating income (loss)			$(47)			$158						$43			$(473)
EBITDA			26			(432)						(441)			(362)
Identified items: Loss on sale of business			—			734						734			—
Identified items: Asset write-downs			—			—						15			443
Identified items: Cash Improvement Plan costs			(1)			8						7			3
Identified items: Site closure costs			(3)			32						33			—
Identified items: European transaction costs, net of transition service agreement income			(9)			(11)						(10)			27
EBITDA excluding identified items			13			331						338			111

Three months ended September 30, 2026 versus three months ended June 30, 2026 - EBITDA increased by $458 million, or decreased $318 million excluding identified items, which includes the $734 million loss on the disposition of select European olefins and polyolefins assets and the associated businesses recognized in the second quarter of 2026. Compared to the prior period, olefins results decreased by approximately $65 million driven by lower volumes as a result of the divestiture. In the third quarter of 2026, the company's ethylene crackers operated at approximately 70% of capacity with about 30% of the raw materials derived from non-naphtha feedstocks. Combined polyolefins results decreased by approximately $130 million due to lower prices reflecting market volatility related to the conflict in the Middle East. Equity income decreased by approximately $50 million due to unfavorable margins. Additionally, the second quarter results reflect a gain on the sale of excess European emission credits of approximately $50 million.

Nine months ended September 30, 2026 versus nine months ended September 30, 2025 - EBITDA decreased $79 million, or increased $227 million excluding identified items, which includes the $734 million loss on the disposition of select European olefins and polyolefins assets and the associated businesses recognized in the second quarter of 2026. Additionally, the nine months ended September 30, 2025 reflected a non-cash goodwill impairment charge of $400 million related to a prolonged downturn in, and outlook for, the European petrochemical industry. Compared to the prior period, olefin and combined polymer results improved by approximately $25 million and $120 million, respectively, as a result of stronger margins due to industry supply constraints driven by the Middle East conflict. The nine months ended September 30, 2026 reflect a gain on the sale of excess European emission credits of approximately $50 million.

2

Intermediates & Derivatives (I&D) - Our I&D segment produces and markets propylene oxide and derivatives, oxyfuels and related products and intermediate chemicals, such as styrene monomer and acetyls.

Table 3 - I&D Financial Overview

Millions of U.S. dollars			Three Months Ended						Nine Months Ended
			September 30, 2026			June 30, 2026						September 30, 2026			September 30, 2025
Operating income			$614			$268						$1,000			$336
EBITDA			720			377						1,321			683
Identified items: Cash Improvement Plan costs			(1)			9						8			4
Identified items: Site closure costs			76			—						76			117
EBITDA excluding identified items			795			386						1,405			804

Three months ended September 30, 2026 versus three months ended June 30, 2026 - EBITDA increased by $343 million, or $409 million excluding identified items, which includes approximately $76 million in shutdown costs related to the closure of our European PO Joint venture, recognized in the third quarter of 2026. Oxyfuels and related products results led to an increase of approximately $350 million driven equally by improved margins from stronger gasoline crack spreads and higher volumes following the restart of the Bayport PO/TBA site after a second quarter outage.

Nine months ended September 30, 2026 versus nine months ended September 30, 2025 - EBITDA increased $638 million, or $601 million excluding identified items, which includes $76 million and $117 million in shutdown costs recognized in 2026 and 2025, respectively, related to the closure of our European PO Joint venture. Oxyfuels and related products results led to an increase of approximately $375 million driven by improved margins as a result of higher crude and gasoline crack spreads. Propylene oxide and derivatives results led to an increase of approximately $180 million primarily due to margin expansion resulting from supply constraints driven by the Middle East conflict.

Advanced Polymer Solutions (APS) - Our APS segment produces and markets compounding and solutions, such as polypropylene compounds, engineered plastics, masterbatches, engineered composites and colors.

Table 4 - APS Financial Overview

Millions of U.S. dollars			Three Months Ended						Nine Months Ended
			September 30, 2026			June 30, 2026						September 30, 2026			September 30, 2025
Operating income (loss)			$13			$57						$108			$(738)
EBITDA			37			77						172			(668)
Identified items: Loss on sale of business			—			—						—			6
Identified items: Asset write-downs			—			—						—			782
Identified items: Cash Improvement Plan costs			4			3						7			13
Identified items: Site closure costs			4			(2)						2			—
EBITDA excluding identified items			45			78						181			133

Three months ended September 30, 2026 versus three months ended June 30, 2026 - EBITDA decreased by $40 million, or $33 million excluding identified items, versus the second quarter of 2026 primarily due to lower volumes driven by weaker automotive demand.

3

Nine months ended September 30, 2026 versus nine months ended September 30, 2025 - EBITDA increased $840 million, or $48 million excluding identified items, which includes non-cash impairment charges of $782 million recognized in the third quarter of 2025. The remaining change was driven by improved margins primarily related to higher average sales prices due to industry supply constraints driven by the Middle East conflict.

Technology - Our Technology segment develops and licenses chemical and polyolefin process technologies and manufactures and sells polyolefin catalysts.

Table 5 - Technology Financial Overview

Millions of U.S. dollars			Three Months Ended						Nine Months Ended
			September 30, 2026			June 30, 2026						September 30, 2026			September 30, 2025
Operating income			$18			$63						$88			$68
EBITDA			29			73						120			100
Identified items: Cash Improvement Plan costs			—			1						1			1
EBITDA excluding identified items			29			74						121			101

Three months ended September 30, 2026 versus three months ended June 30, 2026 - EBITDA decreased by $44 million, or $45 million excluding identified items, versus the second quarter of 2026. The decrease was driven by lower licensing revenue as more contracts with lower average values reached significant milestones coupled with lower catalyst volumes driven by lower demand.

Nine months ended September 30, 2026 versus nine months ended September 30, 2025 - EBITDA increased by $20 million, including and excluding identified items, versus the first nine months of 2025 driven by improved catalyst margins as a result of lower costs.

Capital Spending and Cash Balances

Capital expenditures, including sustaining maintenance and profit-generating growth projects, were $303 million during the third quarter 2026. At the end of the quarter, cash and liquid investment balances were $3.2 billion, which includes cash and cash equivalents, restricted cash and short-term investments. There were 323 million common shares outstanding as of September 30, 2026. The company paid dividends of $224 million and did not repurchase shares during the third quarter 2026.

4

INFORMATION RELATED TO FINANCIAL MEASURES

We make reference to certain non-GAAP financial measures as defined in Regulation G of the U.S. Securities Exchange Act of 1934, as amended.

We report our financial results in accordance with U.S. generally accepted accounting principles ("GAAP"), but believe that certain non-GAAP financial measures, such as EBITDA and EBITDA exclusive of identified items provides useful supplemental information to investors regarding the underlying business trends and performance of the company's ongoing operations and are useful for period-over-period comparisons of such operations. Non-GAAP financial measures should be considered as a supplement to, and not as a substitute for, or superior to, the financial measures prepared in accordance with GAAP.

We calculate EBITDA as net income (loss) plus interest expense, net, provision for (benefit from) income taxes, and depreciation and amortization. Identified items include adjustments for lower of cost or market (“LCM”), gain/loss on sale of business, asset write-downs in excess of $10 million in aggregate for the period, Cash Improvement Plan costs, site closure costs, European transaction costs, net of transition service agreement income, and discontinued operations. Asset write-downs include impairments of goodwill and impairments of long-lived assets. Our inventories are stated at the lower of cost or market. Cost is determined using the last-in, first-out (“LIFO”) inventory valuation methodology, which means that the most recently incurred costs are charged to cost of sales and inventories are valued at the earliest acquisition costs. Fluctuation in the prices of crude oil, natural gas and correlated products from period to period may result in the recognition of charges to adjust the value of inventory to the lower of cost or market in periods of falling prices and the reversal of those charges in subsequent interim periods, within the same fiscal year as the charge, as market prices recover. A gain/loss on sale of a business is calculated as the consideration received from the sale less its carrying value. We evaluate property, plant and equipment and definite-lived intangible assets whenever impairment indicators are present. If it is determined that an asset or asset group’s undiscounted future cash flows will not be sufficient to recover the carrying amount, an impairment charge is recognized to write the asset down to its estimated fair value. Goodwill is tested for impairment annually in the fourth quarter or whenever events or changes in circumstances indicate that the fair value of a reporting unit with goodwill is below its carrying amount. If it is determined that the carrying value of the reporting unit including goodwill exceeds its fair value, an impairment charge is recognized. We assess our equity investments for impairment whenever events or changes in circumstances indicate that the carrying amount of the investment may not be recoverable. If the decline in value is considered to be other-than-temporary, the investment is written down to its estimated fair value. In June 2025, we announced the divestiture of select olefins and polyolefins assets and the associated businesses in Europe, in May 2026 we completed the divestiture. In connection with the divestiture we recognized selling expenses, separation costs and employee-related charges (collectively referred to as "European transaction costs"), income from the transition service agreement and loss on sale of business. In April 2025, the company announced the Cash Improvement Plan, focused on strengthening financial performance, which resulted in employee-related charges across all segments. In March 2025, we announced the permanent closure of our Dutch PO joint venture asset, resulting in the recognition of shutdown-related charges in our Intermediates & Derivatives ("I&D") segment. Additionally, we recognized shutdown and employee-related charges related to sites in our Advanced Polymer Solutions ("APS") and Olefins & Polyolefins – Europe, Asia, International ("O&P-EAI") segments. In February 2025, we ceased business operations at our Houston refinery. Accordingly, our refining business, previously disclosed as the Refining segment, is reported as a discontinued operation.

5

Table 6 - Reconciliation of EBITDA to EBITDA Excluding Identified Items by Segment
			Three Months Ended												Nine Months Ended
Millions of U.S. dollars			September 30, 2026						June 30, 2026												September 30, 2026						September 30, 2025
EBITDA:
Olefins & Polyolefins - Americas			$	641					$	1,183											$	2,151					$	982
Olefins & Polyolefins - EAI			26						(432)												(441)						(362)
Intermediates & Derivatives			720						377												1,321						683
Advanced Polymer Solutions			37						77												172						(668)
Technology			29						73												120						100
Other, including intersegment eliminations			(11)						(9)												(26)						(20)
Discontinued operations			(22)						(17)												(57)						66
EBITDA			$	1,420					$	1,252											$	3,240					$	781
Identified items:
add: Loss on sale of business:
Olefins & Polyolefins - EAI			$	—					$	734											$	734					$	—
Advanced Polymer Solutions			—						—												—						6
add: Asset write-downs(a):
Olefins & Polyolefins - Americas			—						74												74						9
Olefins & Polyolefins - EAI			—						—												15						443
Advanced Polymer Solutions			—						—												—						782
add: Cash Improvement Plan costs:
Olefins & Polyolefins - Americas			—						10												10						6
Olefins & Polyolefins - EAI			(1)						8												7						3
Intermediates & Derivatives			(1)						9												8						4
Advanced Polymer Solutions			4						3												7						13
Technology			—						1												1						1
add: Site closure costs:
Olefins & Polyolefins - EAI			(3)						32												33						—
Intermediates & Derivatives			76						—												76						117
Advanced Polymer Solutions			4						(2)												2						—
add: European transaction costs net of transition service agreement income:
Olefins & Polyolefins - EAI			(9)						(11)												(10)						27
less: Discontinued operations			22						17												57						(66)
Total Identified items:			$	92					$	875											$	1,014					$	1,345
EBITDA excluding Identified items:
Olefins & Polyolefins - Americas			$	641					$	1,267											$	2,235					$	997
Olefins & Polyolefins - EAI			13						331												338						111
Intermediates & Derivatives			795						386												1,405						804
Advanced Polymer Solutions			45						78												181						133
Technology			29						74												121						101
Other, including intersegment eliminations			(11)						(9)												(26)						(20)
EBITDA excluding Identified items			$	1,512					$	2,127											$	4,254					$	2,126

(a) Include asset write-downs in excess of $10 million in aggregate for the period.

6

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