Exhibit 10.1
 AMENDMENT
NO. 3 TO LEASE
 Amendment Effective Date WISCONSIN PLACE OFFICE LLC, Landlord CAPITALSOURCE FINANCE LLC Tenant
 WITNESSETH:
 Lease Original Premises Building
   1.
    
    Defined Terms. Except as otherwise provided herein, all capitalized
terms used herein shall have the same meanings as provided for such terms in the
Original Lease. The Original Lease, as modified and amended by this Amendment shall be
referred to herein as the Lease. All references to the Leasein the
Original Lease and this Amendment are deemed to mean the Original Lease, as modified
and amended by this Amendment.2.
    
    Terrace Door. In connection with construction of the Terrace, Tenant,
at its sole cost and expense, shall install a door from the Premises to the Terrace.
The plans and specifications shall be approved prior to construction by Landlord in its
sole discretion and shall comply with all Legal Requirements. If installation of the
door involves or affects any base building systems, then Landlords contractors will
be used to perform such work to ensure that warranties are maintained. At the end of
the Lease Term, at Owners option, Tenant shall remove the door and restore the base
building wall, on the exterior and interior, to its original condition.3.
    
    Ratification. Except as otherwise expressly modified by the terms of
this Amendment, the Lease shall remain unchanged and continue in full force and
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effect. All terms, covenants and conditions of the Lease not expressly modified herein are
hereby confirmed and ratified and remain in full force and effect, and, as further amended hereby,
constitute valid and binding obligations of Tenant enforceable according to the terms thereof.4.
    
    Authority. Tenant and each of the persons executing this Amendment on behalf of
Tenant hereby represents and warrants to Landlord that Tenant is a duly organized and existing
limited liability company and is in good standing under the laws of the State of Delaware, that
all necessary limited liability company action has been taken to enter into this Amendment and
that the person signing this Amendment on behalf of Tenant has been duly authorized to do so.
Landlord and each of the persons executing this Amendment on behalf of Landlord hereby represents
and warrants to Tenant that Landlord is a duly organized and existing limited liability company and
is in good standing under the laws of the State of Delaware, that all necessary limited liability
company action has been taken to enter into this Amendment and that the person signing this
Amendment on behalf of Landlord has been duly authorized to do so.5.
    
    Mutual Negotiation. Landlord and Tenant each hereby covenant and agree that each and
every provision of this Amendment has been jointly and mutually negotiated and authorized by both
Landlord and Tenant, and in the event of any dispute arising out of any provision of this Amendment, Landlord and Tenant do hereby waive any claim of authorship against the other party.6.
    
    Binding Effect. This Amendment shall not be effective and binding unless and until
fully executed and delivered by each of the parties hereto. All of the covenants contained in this
Amendment, including, but not limited to, all covenants of the Lease as modified hereby, shall be
binding upon and inure to the benefit of the parties hereto, their respective heirs, legal
representatives, and permitted successors and assigns.
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LANDLORD:WISCONSIN PLACE OFFICE LLC,
a Delaware limited liability companyBy:
    
    Wisconsin Place Office Manager LLC,
a Delaware limited liability company, its ManagerWITNESS:
    
    
    
    By:
    
    /s/ Peter D. Johnston          [SEAL]Name:
    
    PETER D. JOHNSTONTitle:
    
    SENIOR VICE PRESIDENTTENANT:CAPITALSOURCE FINANCE
LLC,
a Delaware limited liability companyWITNESS:
    
    By:
    
    /s/ Chris Woods          [SEAL]Name:
    
    CHRIS WOODSTitle:
    
    CTOJacqueline C. Vernon
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