Amendment dated October 9, 2020 to the Offer Letter between Mardi C. Dier and Ultragenyx Pharmaceutical Inc. dated August 28, 2020
October 9, 2020
Mardi C. Dier
Re: Amendment No. 1 to Offer Letter
On behalf of Ultragenyx Pharmaceutical Inc. (the “Company”), I am pleased to present to you this Amendment No. 1 (this “Amendment”), which amends the Offer of Employment Letter Agreement with you dated August 28, 2020 (the “Offer Letter”) as follows:
/s/ Emil D. Kakkis, M.D., Ph.D.
Name: Emil D. Kakkis, M.D., Ph.D.
Title: President and Chief Executive Officer
www.ultragenyx.com Transforming good science into great medicine for rare genetic diseases
I voluntarily accept and agree to terms and conditions of this Amendment.
/s/ Mardi C. Dier October 9, 2020
Mardi C. Dier Date