| | | | | |
| Entity | Role |
| IQVIA Inc. | Issuer |
| IQVIA Holdings Inc. | Guarantor |
| Benefit Holding, Inc. | Guarantor |
| BuzzeoPDMA LLC | Guarantor |
| Clinical Financial Services, LLC | Guarantor |
| Data Niche Associates, Inc. | Guarantor |
| IMS Software Services Ltd. | Guarantor |
| Innovex Merger Corp. | Guarantor |
| Intercontinental Medical Statistics International, Ltd. | Guarantor |
| IQVIA BioSciences Holdings, LLC | Guarantor |
| IQVIA Biotech LLC | Guarantor |
| IQVIA Commercial Finance Inc. | Guarantor |
| IQVIA CSMS US Inc. | Guarantor |
| IQVIA Digital Inc. | Guarantor |
| IQVIA Government Solutions Inc. | Guarantor |
| IQVIA Laboratories LLC | Guarantor |
| IQVIA Pharma Inc. | Guarantor |
| IQVIA Pharma Services Corp. | Guarantor |
| IQVIA Phase One Services LLC | Guarantor |
| IQVIA RDS Asia Inc. | Guarantor |
| IQVIA RDS Inc. | Guarantor |
| IQVIA RDS Latin America LLC | Guarantor |
| IQVIA RDS Software Services LLC | Guarantor |
| IQVIA Trading Management Inc. | Guarantor |
| MCRA, LLC | Guarantor |
| Med-Vantage, Inc. | Guarantor |
| Outcome Sciences, LLC | Guarantor |
| Q Squared Solutions (Quest) LLC | Guarantor |
| Q Squared Solutions Holdings LLC | Guarantor |
| QCare Site Services, Inc. | Guarantor |
| Rules-Based Medicine Inc. | Guarantor |
| RxJet Transportation Services Corp. | Guarantor |