– Conference Call and Webcast to Follow at 5:00 p.m. ET / 2:00 p.m. PT –

Exelixis, Inc. (NASDAQ:EXEL) announced today that its first quarter 2023 financial results will be released on Tuesday, May 9, 2023 after the markets close. At 5:00 p.m. ET / 2:00 p.m. PT, Exelixis management will host a conference call and webcast to discuss the results and provide a general business update. Access to the event is available via the Internet from the company's website.

To access the conference call, please register using this link. Upon registration, a dial-in number and unique PIN will be provided to join the call. To access the live webcast link, log onto www.exelixis.com and proceed to the News & Events / Event Calendar page under the Investors & Media heading. Please connect to the company's website at least 15 minutes prior to the conference call to ensure adequate time for any software download that may be required to listen to the webcast. A webcast replay of the conference call will also be archived on www.exelixis.com for one year.

About Exelixis

Exelixis is a globally ambitious oncology company innovating next-generation medicines and regimens at the forefront of cancer care. Powered by bi-coastal centers of discovery and development excellence, we are rapidly evolving our product portfolio to target an expanding range of tumor types and indications with our clinically differentiated pipeline of small molecules, antibody-drug conjugates and other biotherapeutics. This comprehensive approach harnesses decades of robust investment in our science and partnerships to advance our investigational programs and extend the impact of our flagship commercial product, CABOMETYX^® (cabozantinib). Exelixis is driven by a bold scientific pursuit to create transformational treatments that give more patients hope for the future. For information about the company and its mission to help cancer patients recover stronger and live longer, visit www.exelixis.com, follow @ExelixisInc on Twitter, like Exelixis, Inc. on Facebook and follow Exelixis on LinkedIn.

Exelixis, the Exelixis logo and CABOMETYX are registered U.S. trademarks.

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Exelixis to Release First Quarter 2023 Financial Results on Tuesday, May 9, 2023