Ultragenyx to Participate in Panel at Citi’s 16th Annual BioPharma Healthcare Conference

Ultragenyx Pharmaceutical Inc. (NASDAQ: RARE), a biopharmaceutical company focused on the development and commercialization of novel therapies for serious rare and ultra-rare genetic diseases, today announced that Emil D. Kakkis, M.D., Ph.D., the company's Chief Executive Officer and President will participate in a panel titled Finding a Needle in a Haystack - Drug Development Strategies for Rare Disease on Thursday, September 9, 2021 at Citi’s 16th Annual BioPharma Healthcare Conference at 4:10 PM ET.

The live and archived webcast of the presentation will be accessible from the company’s website at http://ir.ultragenyx.com/events.cfm. The replay of the webcast will be available for 90 days.

About Ultragenyx Pharmaceutical Inc.Ultragenyx is a biopharmaceutical company committed to bringing novel products to patients for the treatment of serious rare and ultra-rare genetic diseases. The company has built a diverse portfolio of approved therapies and product candidates aimed at addressing diseases with high unmet medical need and clear biology for treatment, for which there are typically no approved therapies treating the underlying disease.

The company is led by a management team experienced in the development and commercialization of rare disease therapeutics. Ultragenyx’s strategy is predicated upon time- and cost-efficient drug development, with the goal of delivering safe and effective therapies to patients with the utmost urgency.

For more information on Ultragenyx, please visit the company's website at: www.ultragenyx.com.

Contact Ultragenyx Pharmaceutical Inc.Investors & MediaJoshua Higa415-475-6370