SHAREHOLDER ACTION REMINDER: Faruqi & Faruqi, LLP Announces that Avantor Investors Have Opportunity to Lead Class Action Lawsuit

Faruqi & Faruqi, LLP Securities Litigation Partner James (Josh) Wilson Encourages Investors Who Suffered Losses In Avantor To Contact Him Directly To Discuss Their Options If you purchased or acquired securities in Avantor between March 5, 2024 and October 28, 2025 and would like to discuss your legal rights, call Faruqi & Faruqi partner Josh Wilson directly at 877-247-4292 or 212-983-9330 (Ext. 1310). [You may also click here for additional information] New York, New York--(Newsfile Corp. - December 13, 2025) - Faruqi & Faruqi, LLP, a leading national securities law firm, is investigating potential claims against Avantor, Inc. ("Avantor" or the "Company") (NYSE: AVTR) and reminds investors of the December 29, 2025 deadline to seek the role of lead plaintiff in a federal securities class action that has been filed against the Company.

Newsfile Corp • Dec 13, 2025

Levi & Korsinsky Announces the Filing of a Securities Class Action on Behalf of Avantor, Inc.(AVTR) Shareholders

NEW YORK , Dec. 12, 2025 /PRNewswire/ -- Levi & Korsinsky, LLP notifies investors in Avantor, Inc. ("Avantor, Inc." or the "Company") (NYSE: AVTR) of a class action securities lawsuit. CLASS DEFINITION: The lawsuit seeks to recover losses on behalf of Avantor, Inc. investors who were adversely affected by alleged securities fraud between March 5, 2024 and October 28, 2025.

PRNewsWire • Dec 12, 2025

AVTR DEADLINE: Faruqi & Faruqi Reminds Avantor Investors of the Pending Class Action Lawsuit with a Lead Plaintiff Deadline of December 29, 2025 - AVTR

Faruqi & Faruqi, LLP Securities Litigation Partner James (Josh) Wilson Encourages Investors Who Suffered Losses In Avantor To Contact Him Directly To Discuss Their Options If you purchased or acquired securities in Avantor between March 5, 2024 and October 28, 2025 and would like to discuss your legal rights, call Faruqi & Faruqi partner Josh Wilson directly at 877-247-4292 or 212-983-9330  (Ext. 1310). [You may also click here for additional information] NEW YORK , Dec. 12, 2025 /PRNewswire/ -- Faruqi & Faruqi, LLP, a leading national securities law firm, is investigating potential claims against Avantor, Inc. ("Avantor" or the "Company") (NYSE: AVTR) and reminds investors of the December 29, 2025 deadline to seek the role of lead plaintiff in a federal securities class action that has been filed against the Company.

PRNewsWire • Dec 12, 2025

AVTR Deadline: AVTR Investors with Losses in Excess of $100K Have Opportunity to Lead Avantor, Inc. Securities Fraud Lawsuit

NEW YORK , Dec. 12, 2025 /PRNewswire/ -- Why: Rosen Law Firm, a global investor rights law firm, reminds purchasers of common stock of Avantor, Inc. (NYSE: AVTR) between March 5, 2024 and October 28, 2025, both dates inclusive (the "Class Period"), of the important December 29, 2025 lead plaintiff deadline. So what: If you purchased Avantor common stock during the Class Period you may be entitled to compensation without payment of any out of pocket fees or costs through a contingency fee arrangement.

PRNewsWire • Dec 12, 2025

Levi & Korsinsky Reminds Shareholders of a Lead Plaintiff Deadline of December 29, 2025 in Avantor, Inc. Lawsuit – AVTR

NEW YORK, Dec. 12, 2025 (GLOBE NEWSWIRE) -- Levi & Korsinsky, LLP notifies investors in Avantor, Inc. ("Avantor, Inc." or the "Company") (NYSE: AVTR) of a class action securities lawsuit.

GlobeNewsWire • Dec 12, 2025

AVTR Investors Have Opportunity to Lead Avantor, Inc. Securities Fraud Lawsuit with the Schall Law Firm

LOS ANGELES, Dec. 11, 2025 (GLOBE NEWSWIRE) -- The Schall Law Firm , a national shareholder rights litigation firm, reminds investors of a class action lawsuit against Avantor, Inc. (“Avantor” or “the Company”) (NYSE: AVTR) for violations of §§10(b) and 20(a) of the Securities Exchange Act of 1934 and Rule 10b-5 promulgated thereunder by the U.S. Securities and Exchange Commission. Investors who purchased the Company's securities between March 5, 2024, and October 28, 2025, inclusive (the “Class Period”), are encouraged to contact the firm before December 29, 2025.

GlobeNewsWire • Dec 11, 2025

AVTR INVESTOR ALERT: Bronstein, Gewirtz & Grossman LLC Announces that Avantor, Inc. Investors with Substantial Losses Have Opportunity to Lead Class Action Lawsuit

NEW YORK, Dec. 11, 2025 (GLOBE NEWSWIRE) -- Attorney Advertising -- Bronstein, Gewirtz & Grossman, LLC, a nationally recognized law firm, notifies investors that a class action lawsuit has been filed against Avantor, Inc. (“Avantor” or “the Company”) (NYSE: AVTR) and certain of its officers. Class Definition This lawsuit seeks to recover damages against Defendants for alleged violations of the federal securities laws on behalf of all persons and entities that purchased or otherwise acquired Avantor securities between March 5, 2024 and October 28, 2025, both dates inclusive (the “Class Period”).

GlobeNewsWire • Dec 11, 2025

Investors in Avantor, Inc. Should Contact The Gross Law Firm Before December 29, 2025 to Discuss Your Rights – AVTR

NEW YORK, Dec. 11, 2025 (GLOBE NEWSWIRE) -- The Gross Law Firm issues the following notice to shareholders of Avantor, Inc. (NYSE: AVTR).

GlobeNewsWire • Dec 11, 2025

AVTR DEADLINE: ROSEN, LEADING INVESTOR COUNSEL, Encourages Avantor, Inc. Investors to Secure Counsel Before Important Deadline in Securities Class Action - AVTR

NEW YORK, Dec. 11, 2025 (GLOBE NEWSWIRE) -- WHY: Rosen Law Firm, a global investor rights law firm, reminds purchasers of common stock of Avantor, Inc. (NYSE: AVTR) between March 5, 2024 and October 28, 2025, both dates inclusive (the “Class Period”), of the important December 29, 2025 lead plaintiff deadline.

GlobeNewsWire • Dec 11, 2025

AVTR LAWSUIT ALERT: The Gross Law Firm Notifies Avantor, Inc. Investors of a Class Action Lawsuit and Upcoming Deadline

NEW YORK , Dec. 11, 2025 /PRNewswire/ -- The Gross Law Firm issues the following notice to shareholders of Avantor, Inc. (NYSE: AVTR). Shareholders who purchased shares of AVTR during the class period listed are encouraged to contact the firm regarding possible lead plaintiff appointment.

PRNewsWire • Dec 11, 2025