CTKB Cytek Biosciences Inc

Cytek Biosciences, Inc. (Nasdaq: CTKB), a leading cell analysis solutions company, today announced that its Board of Directors has approved a stock repurchase program for up to an additional aggregate of $50 million of its common stock, subject to compliance with applicable law, to succeed the expiration of the existing $50 million repurchase program on December 31, 2024. The new repurchase program is authorized to commence on January 1, 2025 and remain in effect until December 31, 2025 unless extended or shortened by the Board of Directors.

Any repurchases under the 2025 repurchase program will be made in the open market and/or in privately negotiated transactions and may be made from time to time or in one or more larger repurchases. The program will be conducted in compliance with the Securities and Exchange Commission's Rule 10b-18 and applicable legal requirements. The amount and timing of any repurchases made under the repurchase program will depend on a variety of factors, including available liquidity, cash flow and market conditions.

The program does not obligate the Company to acquire any particular amount of common stock, and the program may be modified or suspended at any time at the Company's discretion.

About Cytek Biosciences, Inc.Cytek Biosciences (Nasdaq: CTKB) is a leading cell analysis solutions company advancing the next generation of cell analysis tools by delivering high-resolution, high-content and high-sensitivity cell analysis utilizing its patented Full Spectrum Profiling™ (FSP™) technology. Cytek’s novel approach harnesses the power of information within the entire spectrum of a fluorescent signal to achieve a higher level of multiplexing with precision and sensitivity. Cytek’s platform includes: its core FSP instruments, the Cytek Aurora™ and Northern Lights™ systems and the Cytek Aurora CS cell sorter; the Cytek Orion™ reagent cocktail preparation system; the Enhanced Small Particle™ (ESP™) detection technology; the flow cytometer and imaging products under the Amnis® and Guava® brands; and reagents, software and service to provide a comprehensive and integrated suite of solutions for its customers. Cytek is headquartered in Fremont, California with offices and distribution channels across the globe. More information about the company and its products is available at www.cytekbio.com.

Cytek’s products are for research use only and not for use in diagnostic procedures (other than Cytek’s Northern Lights-CLC system and certain reagents, which are available for clinical use in China and the European Union).

Cytek, Full Spectrum Profiling, FSP, Cytek Aurora, Northern Lights, Cytek Orion, Enhanced Small Particle, ESP, Amnis and Guava are trademarks of Cytek Biosciences, Inc.

In addition to filings with the Securities and Exchange Commission (SEC), press releases, public conference calls and webcasts, Cytek uses its website (www.cytekbio.com), LinkedIn page and X (formerly Twitter) account as channels of distribution of information about its company, products, planned financial and other announcements, attendance at upcoming investor and industry conferences and other matters. Such information may be deemed material information and Cytek may use these channels to comply with its disclosure obligations under Regulation FD. Therefore, investors should monitor Cytek’s website, LinkedIn page, and X account in addition to following its SEC filings, news releases, public conference calls and webcasts.

Forward-Looking Statements This press release contains forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995 as contained in Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended, which are subject to the “safe harbor” created by those sections. All statements other than statements of historical facts, including statements regarding our future activity, if any, under the share repurchase program, including the timing of any such repurchases, are forward-looking statements. In some cases, you can identify forward-looking statements because they contain words such as “anticipate,” “believe,” “contemplate,” “continue,” “could,” “estimate,” “expect,” “intend,” “may,” “plan,” “potential,” “predict,” “project,” “should,” “target,” “will,” or “would” or the negative of these words or other similar terms or expressions. These statements are based on management’s current expectations, forecasts, beliefs, assumptions and information currently available to management. These statements also deal with future events and involve known and unknown risks, uncertainties and other factors that may cause actual results, performance or achievements to be materially different from the information expressed or implied by these forward-looking statements. You should refer to the section entitled “Risk Factors” set forth in Cytek’s Quarterly Report on Form 10-Q filed on November 7, 2024 with the SEC, and other filings Cytek makes with the SEC from time to time for a discussion of important factors that may cause actual results to differ materially from those expressed or implied by Cytek’s forward-looking statements. Although Cytek believes that the expectations reflected in the forward-looking statements are reasonable, it cannot provide any assurance that these expectations will prove to be correct nor can it guarantee that the events and circumstances reflected in the forward-looking statements will occur. The forward-looking statements in this press release are based on information available to Cytek as of the date hereof, and Cytek disclaims any obligation to update any forward-looking statements provided to reflect any change in its expectations or any change in events, conditions, or circumstances on which any such statement is based, except as required by law. These forward-looking statements should not be relied upon as representing Cytek’s as of any date subsequent to the date of this press release.

Media Contact:Stephanie OlsenLages & Associates(949) 453-8080stephanie@lages.com

Investor Contact:Paul GoodsonHead of Investor RelationsCytek Biosciencespgoodson@cytekbio.com