Cytek Investor Presentation Deck

Cytek to Acquire Amnis & Guava Lines from Luminex Safe Harbor Statement This presentation and the accompanying oral presentation contain forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995, including, among others, statements regarding Cytek's acquisition of the flow cytometry and imaging (FCI) business unit of Luminex, the timing of the closing of the transaction, the expected benefits of the transaction, the integration of the FCI business and employees into Cytek, Cytek's future solutions offerings and product strategy; Cytek's operational and shareholder goals; Cytek's anticipated sales opportunities and expanded service gross margins; and Cytek's business and operational strategy. Forward-looking statements are neither historical facts nor assurances of future performance. Instead, they are based on our current expectations and projections about future events and financial trends that we believe may affect our financial condition, results of operations, business strategy, and financial needs. All statements other than statements of historical facts contained in this presentation, including, without limitation, statements The words “may,” “will," "expect," "anticipate,” “aim,” “estimate," "intend," "plan," "believe," "is/are likely to," "potential," "continue" and other similar expressions are intended to identify forward-looking statements, although not all forward-looking statements contain these identifying words. Forward-looking statements are subject to numerous risks and uncertainties that could cause actual results to differ materially from currently anticipated results, including but not limited to risks relating to the inability to timely complete or complete at all the transaction because of the failure to satisfy conditions to closing; the risk that the transaction disrupts Cytek's current plans and operations or diverts management's attention from its ongoing business; Cytek's ability to integrate the operations and employees of the FCI business; Cytek's ability to recognize the anticipated benefits of the transaction; Cytek's ability to manage the growth and complexity of its organization, maintain relationships with customers and suppliers and retain key employees; uncertainties relating to market conditions; supply chain risks and Cytek's dependence on certain sole and single source suppliers; competition; market acceptance of Cytek's current and potential products; Cytek's ability to maintain, protect and enhance its intellectual property; and Cytek's ability to continue to stay in compliance with its material contractual obligations, applicable laws and regulations. Information on these and additional risks and uncertainties and other information affecting Cytek's business and operating results is contained in Cytek's Quarterly Report on Form 10-Q for the quarter ended September 30, 2022, and in its other filings with the Securities and Exchange Commission. These forward-looking statements speak only as of the date hereof. Except as required by applicable law, Cytek does not plan to publicly update or revise any forward-looking statements contained herein, whether as a result of any new information, future events, changed circumstances or otherwise. No representations or warranties (expressed or implied) are made about the accuracy of any such forward-looking statements. Certain information contained in this presentation and statements made orally during this presentation relate to or are based on studies, publications, surveys and other data obtained from third-party sources and Cytek's own internal estimates and research. While Cytek believes these third-party sources to be reliable as of the date of this presentation, it has not independently verified, and makes no representation as to the adequacy, fairness, accuracy or completeness of, any information obtained from third-party sources. While Cytek believes its internal research is reliable, such research has not been verified by any independent source. Cytek's estimates are derived from publicly available information, management's knowledge of the Cytek's industry and management's assumptions based on such information and knowledge, which they believe to be reasonable. This data involves a number of assumptions and limitations which are necessarily subject to a high degree of uncertainty and risk due to a variety of factors. This presentation contains adjusted EBITDA and adjusted gross margin, financial measures that are not in accordance with Generally Accepted Accounting Principles (GAAP). Reconciliations of adjusted EBITDA and adjusted gross margin to the most comparable GAAP measures are included at the end of this slide presentation. We present adjusted EBITDA and adjusted gross margin because we believe they are frequently used by analysts, investors and other interested parties to evaluate companies in our industry and it facilitates comparisons on a consistent basis across reporting periods. Further, we believe it is helpful in highlighting trends in our operating results because it excludes items that are not indicative of our core operating performance. Cytek and Northern Lights are trademarks or registered trademarks of Cytek Biosciences, Inc. Other trademarks appearing in this presentation are the property of their respective holders. CYTEK TRANSCEND THE CONVENTIONAL 2

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