| SUBSIDIARY (Name under which subsidiary does business) | JURISDICTION OF INCORPORATION | ||||
| SweetSpot Diabetes Care, Inc. | Delaware | ||||
| TypeZero Technologies, Inc. | Delaware | ||||
| DexCapital, LLC | Delaware | ||||
| The Glucose Program, LLC | Delaware | ||||
| Nintamed Handels GmbH | Austria | ||||
| DexCom Canada, Co. | Canada | ||||
| DexCom International Ltd. | Cyprus | ||||
| DexCom Deutschland GmbH | Germany | ||||
| DexCom Lithuania UAB | Lithuania | ||||
| DexCom (Malaysia) Sdn. Bhd. | Malaysia | ||||
| DexCom Philippines Inc. | Philippines | ||||
| DexCom Asia Pacific Operations PTE Ltd. | Singapore | ||||
| DexCom Suisse GmbH | Switzerland | ||||
| DexCom (UK) Limited | United Kingdom | ||||
| DexCom (UK) Intermediate Holdings Ltd | United Kingdom | ||||
| DexCom Operating Ltd. | United Kingdom | ||||
| DexCom (UK) Distribution Limited | United Kingdom | ||||