Attached files

file filename
EX-32.1 - EX-32.1 - Ultragenyx Pharmaceutical Inc.rare-ex321_12.htm
EX-31.2 - EX-31.2 - Ultragenyx Pharmaceutical Inc.rare-ex312_15.htm
EX-31.1 - EX-31.1 - Ultragenyx Pharmaceutical Inc.rare-ex311_16.htm
EX-23.1 - EX-23.1 - Ultragenyx Pharmaceutical Inc.rare-ex231_13.htm
EX-10.66 - EX-10.66 - Ultragenyx Pharmaceutical Inc.rare-ex1066_411.htm
EX-10.65 - EX-10.65 - Ultragenyx Pharmaceutical Inc.rare-ex1065_409.htm
EX-10.64 - EX-10.64 - Ultragenyx Pharmaceutical Inc.rare-ex1064_410.htm
EX-10.63 - EX-10.63 - Ultragenyx Pharmaceutical Inc.rare-ex1063_412.htm
EX-10.62 - EX-10.62 - Ultragenyx Pharmaceutical Inc.rare-ex1062_413.htm
EX-10.61 - EX-10.61 - Ultragenyx Pharmaceutical Inc.rare-ex1061_414.htm
EX-10.60 - EX-10.60 - Ultragenyx Pharmaceutical Inc.rare-ex1060_866.htm
EX-10.46 - EX-10.46 - Ultragenyx Pharmaceutical Inc.rare-ex1046_1375.htm
EX-10.32 - EX-10.32 - Ultragenyx Pharmaceutical Inc.rare-ex1032_415.htm
EX-10.31 - EX-10.31 - Ultragenyx Pharmaceutical Inc.rare-ex1031_416.htm
EX-10.19 - EX-10.19 - Ultragenyx Pharmaceutical Inc.rare-ex1019_867.htm
EX-10.18 - EX-10.18 - Ultragenyx Pharmaceutical Inc.rare-ex1018_869.htm
EX-10.17 - EX-10.17 - Ultragenyx Pharmaceutical Inc.rare-ex1017_426.htm
EX-10.16 - EX-10.16 - Ultragenyx Pharmaceutical Inc.rare-ex1016_417.htm
EX-10.15 - EX-10.15 - Ultragenyx Pharmaceutical Inc.rare-ex1015_418.htm
EX-10.14 - EX-10.14 - Ultragenyx Pharmaceutical Inc.rare-ex1014_420.htm
EX-10.13 - EX-10.13 - Ultragenyx Pharmaceutical Inc.rare-ex1013_422.htm
EX-10.11 - EX-10.11 - Ultragenyx Pharmaceutical Inc.rare-ex1011_421.htm
EX-10.5 - EX-10.5 - Ultragenyx Pharmaceutical Inc.rare-ex105_868.htm
EX-10.4 - EX-10.4 - Ultragenyx Pharmaceutical Inc.rare-ex104_871.htm
EX-10.3 - EX-10.3 - Ultragenyx Pharmaceutical Inc.rare-ex103_423.htm
EX-2.2 - EX-2.2 - Ultragenyx Pharmaceutical Inc.rare-ex22_424.htm
10-K - 10-K - Ultragenyx Pharmaceutical Inc.rare-10k_20171231.htm

Exhibit 21.1

Significant Subsidiaries of Ultragenyx Pharmaceutical Inc.

Name of Subsidiary

 

Jurisdiction of Incorporation

Ultragenyx Holdco LLC

 

Delaware

Ultragenyx UK Ltd

 

United Kingdom

Ultragenyx International Ltd.

 

Cayman Islands

Ultragenyx International UX001 Ltd.

 

Cayman Islands

Ultragenyx International UX003 Ltd.

 

Cayman Islands

Ultragenyx International UX007 Ltd.

 

Cayman Islands

Ultragenyx International UX0023 Ltd.

 

Cayman Islands

Ultragenyx Europe GmbH

 

Switzerland

Ultragenyx Germany GmbH

 

Germany

Ultragenyx Brasil Farmacêutica Ltda.

 

Brazil

Ultragenyx Argentina SRL

 

Argentina

Ultragenyx Colombia SAS

 

Colombia

Ultragenyx Netherlands B.V.

 

Netherlands

Ultragenyx France SAS

 

France

Dimension Therapeutics, Inc.

 

Delaware

Dimension Securities Corporation

 

Massachusetts