SUMMIT PARTNERS GROWTH EQUITY FUND X-B, L.P.

PFID 805-8101243066 Managed by SUMMIT PARTNERS, L.P.

Private Equity Fund 3(c)(7)

Gross Asset Value

$2.7B

Min. Investment

$10,000,000

Investors

102

First Sale

FY End

Service Providers

Auditor

ERNST & YOUNG LTD

GEORGE TOWN, Cayman Islands

PCAOB: Registered

Independent: Yes

Custodian

BANK OF AMERICA, N.A.

CHARLOTTE, North Carolina, United States

Custodian

WELLS FARGO BANK, N.A.

SAN FRANCISCO, California, United States

Custodian

SILICON VALLEY BANK, A DIVISION OF FIRST-CITIZENS BANK & TRUST COMPANY

SANTA CLARA, California, United States