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Westlake (NYSE: WLK) sees Dutch court dismiss two ethylene claims

(Moderate)
(Neutral)
Form Type
8-K

Rhea-AI Filing Summary

Westlake Corporation reports developments in a series of fourteen civil lawsuits in Europe known as the Ethylene Antitrust Litigation. On July 29, 2026, the District Court of Amsterdam dismissed claims against Westlake and other defendants in two Dutch cases: a lawsuit filed by Shell Chemical Europe B.V. in March 2023, in which the plaintiff had alleged approximately €1,025 million in damages plus statutory interest, and a lawsuit filed by Stichting Ethylene Claims in November 2023 seeking a declaratory judgment on liability for damages. Both dismissals are subject to appeal by the plaintiffs, and twelve additional lawsuits within the Ethylene Antitrust Litigation remain pending at first instance courts.

Positive

  • Amsterdam court dismisses two major claims in the Ethylene Antitrust Litigation, including a case alleging approximately €1,025 million in damages against Westlake and others.
  • Potential exposure reduced by removal of a large damages claim and a broad declaratory action at this stage, subject to possible appeals.

Negative

  • Twelve related lawsuits remain pending at first instance courts in the Ethylene Antitrust Litigation, leaving ongoing legal uncertainty.
  • Dismissals can be appealed by the plaintiffs, so the recent court decisions may still be reviewed by higher courts.
Item 8.01 Other Events Other
Voluntary disclosure of events the company deems important to shareholders but not covered by other items.
Alleged damages in SCE lawsuit €1,025 million Damages alleged by Shell Chemical Europe B.V. in Amsterdam lawsuit dismissed July 29, 2026
Total Ethylene Antitrust lawsuits 14 lawsuits Civil lawsuits in the Netherlands and Germany involving ethylene consumers including Westlake
Lawsuits dismissed in Amsterdam 2 lawsuits Claims by Shell Chemical Europe B.V. and Stichting Ethylene Claims dismissed July 29, 2026
Lawsuits still pending 12 lawsuits Remaining Ethylene Antitrust Litigation cases at first instance courts
Fiscal year referenced December 31, 2025 Year-end for the Form 10-K cited for additional risk information
Quarter referenced March 31, 2026 Quarter-end for the Form 10-Q cited for additional risk information
Ethylene Antitrust Litigation regulatory
"the Company and other ethylene consumers have been named as defendants in a series of fourteen civil lawsuits (collectively, the “Ethylene Antitrust Litigation”)"
declaratory judgment regulatory
"Stichting had sought a declaratory judgment establishing that the defendants were liable for an unspecified amount of damages"
A declaratory judgment is a court ruling that states the legal rights or obligations of parties without ordering any specific action or awarding damages. It’s like a referee announcing which team’s rule applies before the game continues, removing uncertainty about how the law applies. For investors, such a ruling can reduce legal risk and clarify potential liabilities or contract interpretations that affect a company’s future cash flow and valuation.
statutory interest financial
"SCE had alleged damages of approximately €1,025 million (plus statutory interest)"
Statutory interest is the rate of interest set by law that accrues on overdue payments, judgments, taxes, or other specified obligations. It acts like a built-in late fee that increases the amount owed over time, and investors watch it because it changes the size and timing of cash flows, affects legal liabilities, and can alter valuations, returns, or the cost of resolving disputes or unpaid obligations.
forward-looking statements regulatory
"statements regarding the resolution of certain claims in the Ethylene Antitrust Litigation, are forward-looking statements within the meaning of the U.S. securities laws"
Forward-looking statements are predictions or plans that companies share about what they expect to happen in the future, like estimating sales or profits. They matter because they help investors understand a company's outlook, but since they are based on guesses and assumptions, they can sometimes be wrong.
first instance courts regulatory
"Twelve lawsuits in the Ethylene Antitrust Litigation are still pending at first instance courts"

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FAQ

What litigation update did Westlake (WLK) disclose about the Ethylene Antitrust Litigation?

Westlake disclosed that the District Court of Amsterdam dismissed claims in two Dutch lawsuits within the Ethylene Antitrust Litigation. One involved alleged damages of about €1,025 million, while the other sought a declaratory judgment on liability. Both dismissals remain subject to appeal.

How large was the damages claim against Westlake (WLK) in the Shell Chemical Europe B.V. lawsuit?

Shell Chemical Europe B.V. alleged damages of approximately €1,025 million plus statutory interest against Westlake and other defendants. That lawsuit, filed in March 2023 in Amsterdam, has now been dismissed by the District Court, though the plaintiff can still appeal.

What happened to the Stichting Ethylene Claims lawsuit involving Westlake (WLK)?

The District Court of Amsterdam dismissed the lawsuit filed by Stichting Ethylene Claims, which sought a declaratory judgment that defendants were liable for damages. The claim did not specify an amount, and the dismissal remains subject to potential appeal by the plaintiffs.

How many Ethylene Antitrust Litigation cases involving Westlake (WLK) are still pending?

After the two Amsterdam dismissals, twelve lawsuits within the Ethylene Antitrust Litigation remain pending at first instance courts. These actions continue alongside the possibility of appeals in the dismissed Dutch cases, maintaining ongoing legal exposure for the parties involved.

Where are the Ethylene Antitrust Litigation cases against Westlake (WLK) being heard?

The Ethylene Antitrust Litigation consists of fourteen civil lawsuits brought in the Netherlands and Germany. The latest update concerns two Dutch cases in the District Court of Amsterdam, while twelve other lawsuits are still before first instance courts.

Does the dismissal of two cases end Westlake’s (WLK) Ethylene Antitrust Litigation risk?

No. While two Dutch lawsuits were dismissed, the plaintiffs may appeal those rulings, and twelve additional lawsuits in the Ethylene Antitrust Litigation are still pending at first instance courts in Europe, so legal risks continue.
WESTLAKE CORP false 0001262823 0001262823 2026-07-29 2026-07-29 0001262823 us-gaap:CommonStockMember 2026-07-29 2026-07-29 0001262823 us-gaap:SeniorNotesMember 2026-07-29 2026-07-29
 
 

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): July 29, 2026

 

 

Westlake Corporation

(Exact name of registrant as specified in its charter)

 

 

 

Delaware   001-32260   76-0346924

(State or other jurisdiction

of incorporation)

 

(Commission

File Number)

 

(I.R.S. Employer

Identification No.)

 

2801 Post Oak Boulevard, Suite 600  
Houston, Texas   77056
(Address of principal executive offices)   (Zip Code)

Registrant’s telephone number, including area code: (713) 960-9111

 

 

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(s)

 

Name of each exchange

on which registered

Common Stock, $0.01 par value   WLK   The New York Stock Exchange
1.625% Senior Notes due 2029   WLK29   The New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in 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 8.01

Other Events.

As previously reported in Westlake Corporation’s (the “Company” or “Westlake”) periodic filings under the Securities Exchange Act of 1934, as amended, the Company and other ethylene consumers have been named as defendants in a series of fourteen civil lawsuits (collectively, the “Ethylene Antitrust Litigation”) in the Netherlands and Germany.

On July 29, 2026, the District Court of Amsterdam dismissed the plaintiffs’ claims against the Company and the other defendants in (i) the lawsuit filed by Shell Chemical Europe B.V. (“SCE”) in March 2023, in which SCE had alleged damages of approximately €1,025 million (plus statutory interest), and (ii) the lawsuit filed by Stichting Ethylene Claims (“Stichting”) in November 2023, in which Stichting had sought a declaratory judgment establishing that the defendants were liable for an unspecified amount of damages. Both dismissals are subject to appeal by the plaintiffs. Twelve lawsuits in the Ethylene Antitrust Litigation are still pending at first instance courts.

Cautionary Statement About Forward-Looking Statements

The statements in this Current Report on Form 8-K that are not historical facts, including statements regarding the resolution of certain claims in the Ethylene Antitrust Litigation, are forward-looking statements within the meaning of the U.S. securities laws. These forward-looking statements are subject to significant risks and uncertainties, many of which are beyond the Company’s control. Actual results could differ materially, based on factors including, but not limited to, judicial determinations and appeals by the plaintiffs in the Ethylene Antitrust Litigation. For more detailed information about the factors that could cause actual results to differ materially, please refer to the Company’s Annual Report on Form 10-K for the fiscal year ended December 31, 2025, which was filed with the SEC on February 26, 2026, and the Company’s Quarterly Report on Form 10-Q for the quarterly period ended March 31, 2026, which was filed with the SEC on May 6, 2026.


SIGNATURE

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

 

      WESTLAKE CORPORATION
Date: July 29, 2026     By:  

/s/ L. BENJAMIN EDERINGTON

     

L. Benjamin Ederington

Executive Vice President, Legal and External Affairs

Filing Exhibits & Attachments

4 documents