| Company | BLACKSTONE INFRASTRUCTURE ASSOCIATES NON-ECI L.P. |
| Business Number | 6260403 |
| Company | BLACKSTONE INFRASTRUCTURE MERCURY CO-INVEST L.P. |
| Business Number | 6260416 |
| Company | PINEBRIDGE PARTNERS GENERAL PARTNER, L.P. |
| Business Number | 6266977 |
| Company | PINEBRIDGE PARTNERS GP, LLC |
| Business Number | 6267010 |
| Company | LIVEPERSON VENTURES LLC |
| Business Number | 6417657 |
| Company | BLACKSTONE GROWTH ASSOCIATES II L.P. |
| Business Number | 6465021 |
| Company | BXGA II L.L.C. |
| Business Number | 6465027 |