Kaplan Fox Announces $142.5 Million Settlements with Atkore, Westlake and Opis. USDC – Northern District of Illinois May 14, 2026 Principal Contacts Robert N. KaplanRKaplan@kaplanfox.comElana KatcherEKatcher@kaplanfox.comMatthew P. McCahillMMccahill@kaplanfox.com Kaplan Fox Announces $142.5 Million Settlements with Atkore, Westlake and Opis in In re: PVC Pipe Antitrust Litigation. Kaplan Fox & Kilsheimer LLP (www.kaplanfox.com) announces a $72.5 Million settlement with Defendants Atkore Inc., Atkore International, Inc., Atkore Plastic Pipe Corp., Atkore RMCP, Inc., and Allied Tube & Conduit Corporation (“Atkore”) in In re: PVC Pipe Antitrust Litigation, 1:24-cv-07639, which is currently pending in the United States District Court for the Northern District of Illinois. The Court has granted preliminary approval of Atkore settlement and a final approval hearing is scheduled for October 1, 2026. Kaplan Fox also announces a $67 million settlement with Defendants Westlake Corporation and Westlake Pipe & Fittings Corporation (“Westlake”). The Court has granted preliminary approval of the Westlake settlement and the final approval hearing is also scheduled on October 1, 2026 In addition, Kaplan Fox also announces a $3 million settlement with Defendant Oil Price Information Service, LLC (“OPIS”). The Court has granted preliminary approval of the OPIS settlement and a final approval hearing is scheduled for June 3, 2026. This litigation is still pending against eight defendant groups. Kaplan Fox serves as lead counsel representing a class of direct purchasers who allege that Defendants conspired to fix, raise, maintain, and stabilize the price of PVC Pipe and/or Fittings starting as early as January 1, 2020 and continuing until March 31, 2026, and that DPP Settlement Class Members paid higher prices for PVC Pipe and/or Fittings as a result. You may contact the following Kaplan Fox attorney about the case and the settlements at (212) 687-1980:Robert N. Kaplan: rkaplan@kaplanfox.com The submission of this form does not create an attorney-client relationship, nor an obligation on the part of Kaplan Fox to retain you as a client. Any information you submit will be maintained as confidential. If Kaplan Fox, in its sole discretion, believes that you might be an appropriate client, Kaplan Fox will contact you to discuss the matter and whether to establish an attorney client relationship. By signing this form you are authorizing us to contact you regarding this case and/or future cases. Connect with Kaplan Fox. Receive a complimentary case review now. Contact Us Kaplan Fox Files GoDaddy, Inc. Class Action: Learn More Now See the Case FuelCell Energy, Inc. (NASDAQ: FCEL) Investor Alert: Learn More Now See the Case York Space Systems, Inc. Class Action Lawsuit: Learn More Now See the Case Flotek Industries, Inc. Class Action Lawsuit: Learn More Now See the Case Innventure, Inc. Class Action Lawsuit: Learn More Now See the Case XTI Aerospace, Inc. Class Action Lawsuit: Learn More Now See the Case Hyliion Holdings Corp. Class Action Lawsuit: Learn More Now See the Case Guggenheim Strategic Opportunities Fund (NYSE: GOF) Investor Alert: Learn More Now See the Case Dick’s Sporting Goods, Inc. Investor Alert: Learn More Now See the Case Taboola.com Ltd. Class Action Lawsuit: Learn More Now See the Case Fractyl Health, Inc. Class Action Lawsuit: Learn More Now See the Case AEVEX Corp. Investor Lawsuit: Learn More Now See the Case
