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|                                                                                   |  |  |
| Entity Name                                                                       |   | US Jurisdiction |
| Perspecta Inc. - Incorporated 10/10/2017                                          |   | Nevada |
| Enterprise Services Plano LLC - Formed 8/27/2008                                  |   | Delaware |
| NHIC, Corp -  Incorporated 12/8/1976                                              |   | Texas |
| Enterprise Services LLC - Formed 3/25/1994                                        |   | Delaware |
| SafeGuard Services LLC - Formed 11/23/2005                                        |   | Delaware |
| Enterprise Services State & Local, Inc. - Incorporated 6/26/1997              |   | Illinois |
| Ultra Second VMS LLC - Formed 10/9/2017                                           |   | Delaware |
| Vencore Inc. - Incorporated 10/11/2010                                            |   | Delaware |
| Vencore Services and Solutions, Inc. - Incorporated 9/23/2005                     |   | Delaware |
| PhaseOne Communications, Inc. - Incorporated 11/22/1999                           |   | Delaware |
| Vencore Labs, Inc (d/b/a Applied) Communication Sciences - Incorporated 7/13/2011 |   | Delaware |
| HVH Precision Analytics LLC - Formed 11/12/2016                                   |   | Delaware |
| KGS Holding Corp - Incorporated 3/30/2009                                         |   | Delaware |
| KeyPoint Government Solutions, Inc. - Incorporated 11/1/2000                      |   | Delaware |
| QWK Integrated Solutions, LLC - Formed 3/1/2012                                   |   | Alabama |
| Dominion Technology Resources, Inc. - Incorporated 3/13/2002                      |   | Virginia |
| Westar Aerospace & Defense group, Inc.                                        |   | Nevada |
| Analex Corporation - Incorporated 10/15/2001                                      |   | Delaware |
| Apogen Technologies, Inc. - Incorporated 10/4/2002                                |   | Delaware |
| Planning Systems Inc. - Incorporated 9/1/1972                                     |   | Maryland |
| Neptune Sciences, Inc - Incorporated 1/17/1991                                    |   | Louisiana |
| Westar Display Technologies, Inc. - Incorporated 3/20/2001                        |   | Nevada |
| SimAuthor, Inc.  - Incorporated 1/22/1997                                         |   | Colorado |
| Pimsol, LLC - Formed 6/20/2002                                                    |   | Alabama |
| ComGlobal Systems – Incorporated 1/6/2005                                   |   | California |
| Beta Analytics, Inc. - Incorporated 1/4/1984                                      |   | Maryland |
| Science and Engineering Associates, Inc - Incorporated 2/28/1980                  |   | New Mexico |
| ITS services, Inc. - Incorporated 6/26/1991                                       |   | Virginia |
| 3H Technology, LLC - Formed 3/25/1997                                             |   | Delaware |
| 3H Technology Federal Corp, LLC - Formed 9/5/2003                                 |   | Delaware |