EOSE SHAREHOLDER NOTICE: Faruqi & Faruqi, LLP Reminds Eos Energy Enterprises (EOSE) Investors of Securities Class Action Deadline on May 5, 2026

Faruqi & Faruqi, LLP Securities Litigation Partner James (Josh) Wilson Encourages Investors Who Suffered Losses In Eos Energy To Contact Him Directly To Discuss Their Options If you purchased or acquired securities in Eos Energy between November 5, 2025 and February 26, 2026 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. - March 8, 2026) - Faruqi & Faruqi, LLP, a leading national securities law firm, is investigating potential claims against Eos Energy Enterprises, Inc. ("EOS Energy" or the "Company") (NASDAQ: EOSE) and reminds investors of the May 5, 2026 deadline to seek the role of lead plaintiff in a federal securities class action that has been filed against the Company.

Newsfile Corp • 14 hours ago

INVESTOR ALERT: Class Action Lawsuit Filed on Behalf of Eos Energy Enterprises, Inc. (EOSE) Investors – Holzer & Holzer, LLC Encourages Investors With Significant Losses to Contact the Firm

ATLANTA, March 06, 2026 (GLOBE NEWSWIRE) -- A shareholder class action lawsuit has been filed against Eos Energy Enterprises, Inc. (“Eos Energy” or the “Company”) (NASDAQ: EOSE). The lawsuit alleges that Defendants issued false and misleading statements and/or failed to disclose material adverse facts regarding Eos Energy's business, operations, and prospects, including allegations that: (1) the Company was unable to achieve the ramp in production and capacity utilization required to achieve its previously set guidance; (2) Eos Energy's battery line downtime was running well above industry norms, the design intent of the line, and internal forecasts; (3) the Company was experiencing delays in the ability for its automated bipolar production to hit quality targets; and (4) Eos Energy's inadequate systems and processes prevented it from ensuring reasonably accurate guidance and that its public disclosures were timely, accurate, and complete.

GlobeNewsWire • Mar 6, 2026

EOS ENERGY LAWSUIT ALERT: Bragar Eagel & Squire, P.C. Announces that a Class Action Lawsuit Has Been Filed Against Eos Energy Enterprises, Inc. and Encourages Investors to Contact the Firm

Bragar Eagel & Squire, P.C.  Litigation Partner  Brandon Walker  Encourages Investors Who Suffered Losses In Eos (EOSE) To Contact Him Directly To Discuss Their Options

GlobeNewsWire • Mar 6, 2026

INVESTOR ALERT: Eos Energy Enterprises, Inc. Investors with Substantial Losses Have Opportunity to Lead the Eos Energy Class Action Lawsuit – RGRD Law

SAN DIEGO, March 06, 2026 (GLOBE NEWSWIRE) -- Robbins Geller Rudman & Dowd LLP announces that purchasers or acquirers of Eos Energy Enterprises, Inc. (NASDAQ: EOSE) securities between November 5, 2025 and February 26, 2026, inclusive (the “Class Period”), have until May 5, 2026 to seek appointment as lead plaintiff of the Eos Energy class action lawsuit. Captioned Yung v.

GlobeNewsWire • Mar 7, 2026

EOSE DEADLINE ALERT: Faruqi & Faruqi, LLP Reminds Eos Energy Enterprises (EOSE) Investors of Securities Class Action Deadline on May 5, 2026

NEW YORK--(BUSINESS WIRE)---- $EOSE #ClassAction--Faruqi & Faruqi, LLP, a leading national securities law firm, is investigating potential claims against Eos Energy Enterprises, Inc. (“EOS Energy” or the “Company”) (NASDAQ: EOSE) and reminds investors of the May 5, 2026 deadline to seek the role of lead plaintiff in a federal securities class action that has been filed against the Company. Faruqi & Faruqi is a leading national securities law firm with offices in New York, Pennsylvania, California and Georgia.

Business Wire • Mar 6, 2026

Law Offices of Howard G. Smith Encourages Eos Energy Enterprises (EOSE) Investors to Inquire About Securities Fraud Class Action

BENSALEM, Pa.--(BUSINESS WIRE)--Law Offices of Howard G. Smith announces that a class action lawsuit has been filed on behalf of investors who purchased Eos Energy Enterprises (“Eos Energy” or the “Company”) (NASDAQ: EOSE) securities between November 5, 2025 and February 26, 2026, inclusive (the “Class Period”). Eos Energy investors have until May 5, 2026 to file a lead plaintiff motion. IF YOU ARE AN INVESTOR WHO SUFFERED A LOSS IN EOS ENERGY ENTERPRISES (EOSE), CONTACT THE LAW OFFICES OF HOWA.

Business Wire • Mar 6, 2026

Investor Notice: Robbins LLP Informs Investors of the Eos Energy Enterprises, Inc. Class Action Lawsuit

SAN DIEGO--(BUSINESS WIRE)---- $EOSE #Energy--Robbins LLP informs stockholders that a class action was filed on behalf of all investors who purchased or otherwise acquired Eos Energy Enterprises, Inc. (NASDAQ: EOSE) securities between November 5, 2025 and February 26, 2026. Eos Energy designs, manufactures, and markets zinc-based battery energy storage systems intended for utility-scale commercial and industrial applications. For more information, submit a form, email attorney Aaron Dumas, Jr., or give us a call.

Business Wire • Mar 6, 2026

EOSE CLASS ACTION NOTICE: Glancy Prongay Wolke & Rotter LLP Files Securities Fraud Lawsuit On Behalf Of Eos Energy Enterprises Investors

LOS ANGELES--(BUSINESS WIRE)--Glancy Prongay Wolke & Rotter LLP (“GPWR”), announces that it has filed a class action lawsuit in the United States District Court for the District of New Jersey, captioned Yung v. Eos Energy Enterprises, Inc., et al., Case No. 2:26-cv-02372, on behalf of persons and entities that purchased or otherwise acquired Eos Energy Enterprises (“Eos Energy” or the “Company”) (NASDAQ: EOSE) securities between November 5, 2025 and February 26, 2026, inclusive (the “Class.

Business Wire • Mar 6, 2026

$EOSE Stock Drop: Lose Money when Eos Energy Fell 39% Amid Collectability Issues? Contact BFA Law about its Pending Securities Fraud Investigation

NEW YORK, March 05, 2026 (GLOBE NEWSWIRE) -- Leading securities law firm Bleichmar Fonti & Auld LLP announces an investigation into Eos Energy Enterprises, Inc. (NASDAQ:EOSE) for potential violations of the federal securities laws. If you invested in Eos, you are encouraged to obtain additional information by visiting: https://www.bfalaw.com/cases/eos-energy-class-action-lawsuit.

GlobeNewsWire • Mar 5, 2026

INVESTOR ALERT: Pomerantz Law Firm Investigates Claims On Behalf of Investors of Eos Energy Enterprises, Inc. - EOSE

NEW YORK, March 5, 2026 /PRNewswire/ -- Pomerantz LLP is investigating claims on behalf of investors of Eos Energy Enterprises, Inc. ("Eos" or the "Company") (NASDAQ: EOSE). Such investors are advised to contact Danielle Peyton at [email protected] or 646-581-9980, ext.

PRNewsWire • Mar 5, 2026