 NOVATO, Calif., May 26, 2021 GLOBE NEWSWIRE -- 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 companys Chief Executive Officer and President, will present at the Jefferies Virtual Healthcare Conference on Tuesday, June 1, 2021 at 4:30 PM ET. 