REPLIGEN CORP

Forward-Looking Statements

This press release contains forward-looking statements, which are made pursuant to and in reliance upon the safe harbor provisions of federal securities laws, including the Private Securities Litigation Reform Act of 1995, Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended. Any statements contained herein which do not describe historical facts, including, among others, any express or implied statements or guidance regarding current or future financial performance and position, including our 2026 financial guidance and related assumptions; expected demand in the markets in which we operate; and the expected performance of our business and momentum across our portfolio, are based on management’s current expectations and beliefs and are forward-looking statements which involve risks and uncertainties that could cause actual results to differ materially from those discussed in such forward-looking statements.

Such risks and uncertainties include, among others, our ability to successfully grow our bioprocessing business; our ability to manage through and predict headwinds; the risk that we have assumed that markets and franchises will improve and grow as predicted; our ability to achieve our 2026 financial guidance; our ability to develop and commercialize products and the market acceptance of our products; our ability to successfully integrate BioLife, including its operations, products, systems and personnel, in a timely manner or at all, and to realize the expected benefits and synergies of the acquisition; the future performance of BioLife and the combined company, including the impact of the acquisition on our financial results and outlook; the risk of unanticipated costs, liabilities or disruptions to our or BioLife's business, customer, supplier or employee relationships resulting from the acquisition; our ability to successfully integrate any other acquired businesses and relevant personnel in a timely manner or at all, and to achieve the expected benefits of such acquisitions; the risk that demand for our products could decline, which could adversely impact our future revenues, cash flows, results of operations and financial condition; our ability to compete with larger, better financed bioprocessing companies; risks around the Company’s effectiveness of disclosure controls and procedures and the effectiveness of our internal control over financial reporting; our compliance with all U.S. Food and Drug Administration and European Medicines Evaluation Agency regulations; our volatile stock price; the impact of tariffs on our business, and other risks and uncertainties detailed in Repligen’s filings with the U.S. Securities and Exchange Commission (the Commission), including our Annual Report on Form 10-K for the year ended December 31, 2025 and in subsequently filed reports with the Commission, including our Quarterly Reports on Form 10-Q and Current Reports on Form 8-K and any subsequent filings made with the Commission, which are available at the Commission’s website at www.sec.gov. Actual results may differ materially from those Repligen contemplated by these forward-looking statements, which reflect management’s current views, expectations, and assumptions regarding the future of our business, future plans and strategies, projections, anticipated events and trends, the economy and other future conditions, and are based only on information currently available to us. Repligen cautions you not to place undue reliance on any forward-looking statements, which speak only as of the date they are made. Repligen disclaims any obligation to update or revise any such statements to reflect any change in expectations or in events, conditions or circumstances on which any such statements may be based, or that may affect the likelihood that actual results will differ from those set forth in the forward-looking statements.