STEVEN 

W. 

ALESIO 

DIRECTOR

CDW HOLDINGS LLC

BARRY 

K. 

ALLEN 

DIRECTOR

CDW HOLDINGS LLC

BENJAMIN 

D. 

CHERESKIN 

DIRECTOR

MADISON DEARBORN CAPITAL PARTNERS VI-B, L.P.   |  MADISON DEARBORN CAPITAL PARTNERS VI-C, L.P.   |  MADISON DEARBORN CAPITAL PARTNERS VI-A, L.P.   |  MADISON DEARBORN CAPITAL PARTNERS VI EXECUTIVE-A, L.P.   |  MADISON DEARBORN CAPITAL PARTNERS VI EXECUTIVE-B, L.P.   |  MADISON DEARBORN CAPITAL PARTNERS OFFSHORE VI-C, L.P.   |  CDW HOLDINGS LLC

GLENN 

M. 

CREAMER 

DIRECTOR

PROVIDENCE TMT DEBT OPPORTUNITY FUND II L.P.   |  PROVIDENCE TMT DEBT OPPORTUNITY FEEDER II L.P.   |  CDW HOLDINGS LLC   |  PROVIDENCE EQUITY PARTNERS VII-A L.P.   |  PROVIDENCE EQUITY PARTNERS VII L.P.   |  PSG PS CO-INVESTORS L.P.

MICHAEL 

J. 

DOMINGUEZ 

DIRECTOR

CDW HOLDINGS LLC   |  PROVIDENCE EQUITY PARTNERS VIII-A L.P.   |  PROVIDENCE EQUITY PARTNERS VIII L.P.   |  PROVIDENCE EQUITY OPERATING PARTNERS VIII L.P.   |  PROVIDENCE EQUITY PARTNERS IX L.P.   |  PROVIDENCE EQUITY PARTNERS IX-A S.C.SP

JOHN 

A. 

EDWARDSON 

EXECUTIVE OFFICER

CDW HOLDINGS LLC

PAUL 

J. 

FINNEGAN 

DIRECTOR

MADISON DEARBORN CAPITAL PARTNERS VI-B, L.P.   |  MADISON DEARBORN CAPITAL PARTNERS VI-C, L.P.   |  MADISON DEARBORN CAPITAL PARTNERS VI-A, L.P.   |  MADISON DEARBORN CAPITAL PARTNERS VI EXECUTIVE-A, L.P.   |  MADISON DEARBORN CAPITAL PARTNERS VI EXECUTIVE-B, L.P.   |  MADISON DEARBORN CAPITAL PARTNERS OFFSHORE VI-C, L.P.   |  CDW HOLDINGS LLC   |  MDCP CO-INVESTORS (PATRIOT), L.P.   |  MADISON DEARBORN CAPITAL PARTNERS VII-A, L.P.   |  MADISON DEARBORN CAPITAL PARTNERS VII-B, L.P.   |  MADISON DEARBORN CAPITAL PARTNERS VII-C, L.P.   |  MADISON DEARBORN CAPITAL PARTNERS VII EXECUTIVE-A, L.P.   |  MADISON DEARBORN CAPITAL PARTNERS VII EXECUTIVE-B, L.P.   |  MDCP CO-INVESTORS (PATRIOT II), L.P.   |  MADISON DEARBORN CAPITAL PARTNERS VIII EXECUTIVE-A, L.P.   |  MADISON DEARBORN CAPITAL PARTNERS VIII EXECUTIVE-B, L.P.   |  MADISON DEARBORN CAPITAL PARTNERS VIII-A, L.P.   |  MADISON DEARBORN CAPITAL PARTNERS VIII-B, L.P.   |  MADISON DEARBORN CAPITAL PARTNERS VIII-C, L.P.   |  MADISON DEARBORN CAPITAL PARTNERS VIII SPV-A2, L.P.   |  MADISON DEARBORN CAPITAL PARTNERS VIII EXECUTIVE-A2, L.P.   |  MADISON DEARBORN CAPITAL PARTNERS VIII SPV-B2, L.P.   |  MADISON DEARBORN CAPITAL PARTNERS VIII EXECUTIVE-B2, L.P.   |  MDCP CO-INVESTORS (PATRIOT IV), L.P.   |  MDCP CO-INVESTORS (PATRIOT III), L.P.

CHRISTINE 

A. 

LEAHY 

EXECUTIVE OFFICER

CDW HOLDINGS LLC

THOMAS 

E. 

RICHARDS 

EXECUTIVE OFFICER, DIRECTOR

CDW HOLDINGS LLC

VIRGINIA 

L. 

SEGGERMAN 

EXECUTIVE OFFICER

CDW HOLDINGS LLC

ROBIN 

P. 

SELATI 

DIRECTOR

MADISON DEARBORN CAPITAL PARTNERS VI-B, L.P.   |  MADISON DEARBORN CAPITAL PARTNERS VI-C, L.P.   |  MADISON DEARBORN CAPITAL PARTNERS VI-A, L.P.   |  MADISON DEARBORN CAPITAL PARTNERS VI EXECUTIVE-A, L.P.   |  MADISON DEARBORN CAPITAL PARTNERS VI EXECUTIVE-B, L.P.   |  MADISON DEARBORN CAPITAL PARTNERS OFFSHORE VI-C, L.P.   |  CDW HOLDINGS LLC   |  TRM HOLDCO LLC   |  MADISON DEARBORN CAPITAL PARTNERS VII-A, L.P.   |  MADISON DEARBORN CAPITAL PARTNERS VII-B, L.P.   |  MADISON DEARBORN CAPITAL PARTNERS VII-C, L.P.   |  MADISON DEARBORN CAPITAL PARTNERS VII EXECUTIVE-A, L.P.   |  MADISON DEARBORN CAPITAL PARTNERS VII EXECUTIVE-B, L.P.

ROBERT 

J. 

WELYKI 

EXECUTIVE OFFICER

CDW HOLDINGS LLC

DONNA 

F. 

ZARCONE 

DIRECTOR

CIGNA CORP   |  CDW HOLDINGS LLC

ANN 

E. 

ZIEGLER 

EXECUTIVE OFFICER

CDW HOLDINGS LLC