Ultra Clean enters ATM equity distribution agreement for up to $400 million common stock sale

• UCT entered an at-the-market equity distribution agreement to sell up to USD 400 million of common stock over time.
• UBS, Barclays, Craig-Hallum, Oppenheimer will act as sales agents.
• Sales may occur at the company’s discretion, with the program subject to Nasdaq trading rules and customary conditions.
• Sales agents can earn commissions up to 3% of gross proceeds.
• Issuances will be made under the company’s existing Form S-3 shelf registration statement, with a prospectus supplement dated Aug. 14, 2026.

Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. UCT - Ultra Clean Holdings Inc. published the original content used to generate this news brief via EDGAR, the Electronic Data Gathering, Analysis, and Retrieval system operated by the U.S. Securities and Exchange Commission (Ref. ID: 0000950103-26-012379), on August 14, 2026, and is solely responsible for the information contained therein.