Exhibit 10.1
October 9, 2020
Mardi C. Dier
[***]
[***]
Re: Amendment No. 1 to Offer Letter
Dear Mardi:
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:
Sincerely,
/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