Quantum-Si Incorporated (Nasdaq: QSI) (“Quantum-Si,” “QSI” or the “Company”), The Protein Sequencing Company^™, announces the start of shipments for its latest benchtop sequencer, Platinum^® Pro. This groundbreaking instrument offers protein analysis with single-molecule precision, aiming to make Next-Gen Protein Sequencing™ more accessible to laboratories worldwide.

Platinum Pro delivers a comprehensive solution for sequencing and analyzing proteins through a simple, integrated workflow. Building upon the foundation of innovation established by the original Platinum, the new system introduces advanced features tailored to the evolving needs of researchers and biopharmaceutical customers. Key innovations include:

• Streamlined User Experience: An enlarged touchscreen with an intuitive user interface guides users through each run, supporting diverse applications from proteoform analysis to protein barcoding.
• Flexible Data Analysis: Options for local or cloud-based data analysis provide versatility to suit various research environments.
• Pro Mode: This feature empowers custom application development, offered through a Technology Access Program, positioning Platinum Pro as a platform for biopharmaceutical innovation and application co-development.

"We are committed to delivering tools that advance proteomics research," said Jeff Hawkins, President and Chief Executive Officer of Quantum-Si. "The introduction of Platinum Pro provides researchers with additional features and capabilities to enable insights which we believe will positively impact scientific research and lead to the discoveries of new biomarkers in the future.”

Platinum Pro exemplifies Quantum-Si’s dedication to progressive innovation that delivers solutions for Next-Gen Protein Sequencing. With its robust capabilities, the system is expected to drive new opportunities for breakthrough discoveries. Platinum Pro shipments have started, and the system is available in more than 30 countries through Quantum-Si’s direct and channel partner network, marking a significant milestone in making advanced proteomics tools more accessible to every lab, everywhere.

For more information or to place an order, visit: Quantum-Si

About Quantum-Si Incorporated

Quantum-Si, The Protein Sequencing Company™, is focused on revolutionizing the growing field of proteomics. The Company’s Platinum^® line of instruments enables Next-Gen Protein Sequencing™ that advances proteomic research, drug discovery, and diagnostics beyond what has been possible with existing proteomic tools. Learn more at quantum-si.com or follow us on LinkedIn or X.

Forward Looking Statements

This press release includes “forward-looking statements” within the meaning of the “safe harbor” provisions of the United States Private Securities Litigation Reform Act of 1995. The actual results of the Company may differ from its expectations, estimates, and projections and, consequently, you should not rely on these forward-looking statements as predictions of future events. Words such as “expect,” “estimate,” “project,” “budget,” “forecast,” “anticipate,” “intend,” “plan,” “may,” “will,” “could,” “should,” “believes,” “predicts,” “potential,” “continue,” and similar expressions (or the negative versions of such words or expressions) are intended to identify such forward-looking statements. These forward-looking statements include, without limitation, the Company’s expectations with respect to future performance and development and commercialization of products and services, its anticipated cash runway and its financial guidance for the full year 2025. These forward-looking statements involve significant risks and uncertainties that could cause the actual results to differ materially from those discussed in the forward-looking statements. Most of these factors are outside the Company’s control and are difficult to predict. Factors that may cause such differences include, but are not limited to: the inability to maintain the listing of the Company’s Class A common stock on The Nasdaq Stock Market; the ability of the Company to grow and manage growth profitably and retain its key employees; the Company’s ongoing leadership transitions; changes in applicable laws or regulations; the ability of the Company to raise financing in the future; the success, cost and timing of the Company’s product development and commercialization activities; the commercialization and adoption of the Company’s existing products and the success of any product the Company may offer in the future; the potential attributes and benefits of the Company’s commercialized Platinum® protein sequencing instruments and kits and the Company’s other products once commercialized; the Company’s ability to obtain and maintain regulatory approval for its products, and any related restrictions and limitations of any approved product; the Company’s ability to identify, in-license or acquire additional technology; the Company’s ability to maintain its existing lease, license, manufacture and supply agreements; the Company’s ability to compete with other companies currently marketing or engaged in the development or commercialization of products and services that serve customers engaged in proteomic analysis, many of which have greater financial and marketing resources than the Company; the size and growth potential of the markets for the Company’s products and services, and its ability to serve those markets once commercialized, either alone or in partnership with others; the Company’s estimates regarding future expenses, future revenue, capital requirements and needs for additional financing; the Company’s financial performance; and other risks and uncertainties described under “Risk Factors” in the Company’s most recent Annual Report on Form 10-K and Quarterly Reports on Form 10-Q and in the Company’s other filings with the SEC. The Company cautions that the foregoing list of factors is not exclusive. The Company cautions readers not to place undue reliance upon any forward-looking statements, which speak only as of the date made. The Company does not undertake or accept any obligation or undertaking to release publicly any updates or revisions to any forward-looking statements to reflect any change in its expectations or any change in events, conditions, or circumstances on which any such statement is based.

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