Magnite Investor Presentation — May 2022

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CONFIDENTIAL | © MA GNITE

Financial Highlights

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FORWARD-LOOKING STATEMENTS

This presentation, press release and management's prepared remarks during the conference call referred to above include, and management's answers to questions during the conference call may include, forward-looking statements, including statements based upon or

relating to our expectations, assumptions, estimates, and projections. In some cases, you can identify forward-looking statements by terms such as "may," "might," "will," "objective," "intend," "should," "could," "can," "would," "expect," "believe," "design," "anticipate,"

"estimate," "predict," "potential," "plan" or the negative of these terms, and similar expressions. Forward-looking statements may include, but are not limited to, statements concerning acquisitions by the Company, including the acquisition of SpotX, Inc. ("SpotX," and such

acquisition the "SpotX Acquisition") or SpringServe, LLC ("SpringServe," and such acquisition the "SpringServe Acquisition") or the anticipated benefits thereof; statements concerning potential synergies from the Company's acquisitions; statements concerning the potential

impacts of the COVID-19 pandemic on our business operations, financial condition, and results of operations and on the world economy; our anticipated financial performance; anticipated benefits or effects related to our completed merger with Telaria, Inc. in April 2020

("Telaria" and such merger the "Telaria Merger"); key strategic objectives; industry growth rates for ad-supported connected television ("CTV") and the shift in video consumption from linear TV to CTV; anticipated benefits of new offerings; the impact of transparency

initiatives we may undertake; the impact of our traffic shaping technology on our business; the effects of our cost reduction initiatives; scope and duration of client relationships; the fees we may charge in the future; business mix; sales growth; benefits from supply path

optimization; the development of identity solutions; client utilization of our offerings; our competitive differentiation; our market share and leadership position in the industry; market conditions, trends, and opportunities; certain statements regarding future operational

performance measures; and other statements that are not historical facts. These statements are not guarantees of future performance; they reflect our current views with respect to future events and are based on assumptions and estimates and subject to known and

unknown risks, uncertainties and other factors that may cause our actual results, performance or achievements to be materially different from expectations or results projected or implied by forward-looking statements. Risks that our business faces include, but are not limited