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Quantum-Si to Host Investor & Analyst Event in New York City on November 19, 2025

Quantum-Si Incorporated (Nasdaq: QSI) ("Quantum-Si," "QSI" or the "Company"), a proteomics technology company redefining protein analysis through single-molecule detection, today announced that the Company will host an Investor & Analyst event in New York City on November 19, 2025.

Key members of Quantum-Si’s management team will be present to provide various updates as well as participate in a question and answer session following the formal presentation.

In addition to the in-person live event for invited guests, the event will be live streamed over the internet.

EVENT DETAILS:

WHEN: Wednesday, November 19, 2025 | 10 AM – 12 PM ET

WHERE: Hyatt Centric Times Square, 135 West 45th Street, New York, NY 10036

VIRTUAL ATTENDEE REGISTRATION LINK: Click Here to Register

Investors interested in attending in person should contact QSI investor relations at ir@quantum-si.com. All others are invited to view the live or archived webcast virtually on the Investor Relations section of Quantum-Si’s website at https://ir.quantum-si.com/.

About Quantum-Si Incorporated

Quantum-Si is transforming proteomics with a benchtop platform that brings single-molecule protein analysis to every lab, everywhere. The Company’s platform enables real-time kinetic-based detection and allows researchers to move beyond traditional, multistep workflows and directly access dynamic, functional protein insights with unparalleled resolution. By making protein analysis simpler, faster, and more informative, Quantum-Si is accelerating proteomic discoveries to improve the way we live. Learn more at quantum-si.com or follow us on LinkedIn or X.

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