<div id="readability-page-1"><div>OS Investors Have Opportunity to Join OneStream, Inc. Fraud Investigation with the Schall Law Firm The Schall Law Firm, a national shareholder rights litigation firm, announces that it is investigating claims on behalf of investors of OneStream, Inc. (“OneStream” or “the Company”) (NASDAQ: OS) for violations of the securities laws. The investigation focuses on whether the Company issued false and/or misleading statements and/or failed to disclose information pertinent to investors. If you are a shareholder who suffered a loss, click here to participate. We also encourage you to contact Brian Schall of the Schall Law Firm, 2049 Century Park East, Suite 2460, Los Angeles, CA 90067, at 310-301-3335, to discuss your rights free of charge. You can also reach us through the firm's website at www.schallfirm.com, or by email at bschall@schallfirm.com. The Schall Law Firm represents investors around the world and specializes in securities class action lawsuits and shareholder rights litigation. This press release may be considered Attorney Advertising in some jurisdictions under the applicable law and rules of ethics. <img src="https://imageproxy.pbkrs.com/https://cts.businesswire.com/ct/CT/query-ZGlzdHJvPW54JmlkPWJ3bmV3cyZsYW5nPWVuJnNpZD1tc3RyMyZzdHk9MjAyNTA1MjEyMjIzNjlyMQ?x-oss-process=image/auto-orient,1/interlace,1/resize,w_1440,h_1440/quality,q_95/format,jpg" original-src="https://imageproxy.pbkrs.com/https://cts.businesswire.com/ct/CT/query-ZGlzdHJvPW54JmlkPWJ3bmV3cyZsYW5nPWVuJnNpZD1tc3RyMyZzdHk9MjAyNTA1MjEyMjIzNjlyMQ"/> The Schall Law Firm Brian Schall, Esq. 310-301-3335 info@schallfirm.com www.schallfirm.com View source version on businesswire.com: https://www.businesswire.com/news/home/20250521222369/en/</div></div>

Schall 律師事務所正在代表 OneStream, Inc.的投資者調查潛在的證券法違規行為。調查的重點是 OneStream 是否發表了虛假或誤導性的聲明，或未能向投資者披露重要信息。遭受損失的股東被鼓勵參與調查，並可以聯繫該事務所獲取更多信息

OS 投資者有機會與 Schall 律師事務所合作，參與 OneStream, Inc.的欺詐調查