In re PVC Pipe Antitrust LitigationWestlake Corporation and Westlake Pipe & Fittings CorporationCase No. 1:24-cv-07639

Key Dates

The dates below reflect important deadlines that may affect your rights. Be sure to review and take any appropriate steps necessary before these deadlines pass.

Action & Due DateStatusExplanation

Exclusion Deadline Postmarked by

August 25, 2026

Status: UpcomingExplanation:

If you want to keep the right to sue Westlake on your own about the legal issues being resolved in this case, then you must take steps to exclude yourself from, or “opt out” of, the proposed Settlement. If you opt out and the Court approves the proposed Settlement, you will not receive a payment.

Objection Deadline Postmarked by

August 25, 2026

Status: UpcomingExplanation:

If you stay in the Settlement Class, you can object to the proposed Settlement if you do not like any part of it. The Court will consider your views, but the proposed Settlement may still be approved in spite of your objection.

If the Court approves the proposed Settlement, you may be eligible for a payment in the future.

Fairness Hearing

October 1, 2026 at 9:00 A.M. Central

Status: UpcomingExplanation:

The Court will hold a fairness hearing to decide whether to approve the proposed Settlement. You may, but need not, attend the hearing. If you do attend the hearing, you may ask the Court’s permission to speak (see FAQ 20), but you do not have to participate.

The final approval hearing will take place at 9:00 AM CT on October 1, 2026 at the Everett McKinley Dirksen United States Courthouse, 219 South Dearborn Street, Courtroom 1425, Chicago, Illinois.

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