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MAGNITE TO ANNOUNCE FIRST QUARTER 2025 FINANCIAL RESULTS ON MAY 7, 2025

Los Angeles, CA, April 9, 2025 - Magnite, a leading independent omnichannel programmatic platform, today announced that it will release its financial results for the first quarter ended March 31, 2025 on May 7, 2025.

The company will host a conference call and webcast to review its financial results and provide an update on its business at 2:00 PM Pacific Time on May 7, 2025. The conference call details are as follows:

• Date: May 7, 2025
• Time: 2:00 PM Pacific Time
• Dial-in: (855) 859-1058 (US) or (631) 891-4301 (International)
• Passcode: MAGNITE

The webcast can be accessed on Magnite's investor relations website at https://investor.magnite.com.

"We are pleased to report our first quarter financial results and provide an update on our progress in building a leading independent omnichannel programmatic platform," said Tom Kershaw, CEO of Magnite. "We look forward to sharing our results and insights with investors and analysts on May 7."

Magnite's first quarter 2025 financial results will be available on its investor relations website at https://investor.magnite.com prior to the conference call.

About Magnite Magnite is a leading independent omnichannel programmatic platform that connects buyers with superior ad experiences and publishers with meaningful revenue growth. With a unique combination of innovative technology, a diverse range of inventory, and a commitment to customer satisfaction, Magnite is the trusted partner for the world's top brands and publishers. For more information, please visit https://www.magnite.com.