| 1. | Effective on the First Amendment to Lease Term Commencement Date, (as hereinafterdefined), Article I of the Lease, Section 1.2, namely Basic Data, Premises, is amended, inpart, by inserting therein the following: |
|----|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | ExpansionPremises:  |  Suite Number 2200 consisting of approximately 16,982 square feet of space located on the second (2nd) floor of The Schrafft Center, 529 Main Street, Charlestown, MA 02129. |
|--------|--------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| 2. | Effective on the First Amendment to Lease Term Commencement Date, (as hereinafter defined) Article I of the Lease, Section 1.2, namely Basic Data, Lease Term, is amended, in part, by inserting therein the following: |
|----|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

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|   | Expansion PremisesLease Term:  |  Approximately four (4) years and eleven (11) months (plus the partial calendar month immediately following the First Amendment to Lease Term Commencement Date if the First Amendment to Lease Term Commencement Date does not fall on the first (1st) day of the month), to be coterminous with the original Lease. |
|--------|-------------------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| 3.  | Effective on the First Amendment to Lease Term Commencement Date (as hereinafter defined), Article I of the Lease, Section 1.2, namely Basic Data, Term Commencement Date, is amended, in part, by inserting therein the following: |
|----------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | First Amendment to LeaseTerm Commencement Date: |  The date upon which Landlord has Substantially Completed the Landlord's Work and delivered the Premises to Tenant, in accordance with Tenant's Plans to be submitted to Landlord no later than December 17, 2010, currently anticipated to be February 1, 2011, provided this First Amendment to Lease is executed by Tenant no later than December 15, 2010, and further provided that Landlord is in receipt of Tenant's Plans no later than December 15, 2010. In the event Landlord's Work is not complete by June 1, 2011, Tenant shall have the right to terminate with respect to the ExpansionPremises only. In the event the First Amendment to Lease is not executed by December 17, 2010 or the plans are not received by Landlord, February 1, 2011, remains the Commencement Date. |
|--------|-------------------------------------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| 4.  | Effective on the First Amendment to Lease Term Commencement Date, Article I of the Lease, Section 1.2, namely Basic Data, Base Rent, is amended, in part, by inserting therein the following: |
|----------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | Base Rent for theExpansion Premises:  |  Commencing on the First Amendment to Lease Term Commencement Date continuing through and including December 31, 2011, at the rate of $390,586.00 per annum ($32,548.83 per month); and |
|--------|--------------------------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

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| 5. | Effective on the First Amendment to Lease Term Commencement Date, Article I of the Lease, Section 1.2, namely Basic Data, Rent Commencement Date, is amended, in part, by inserting therein the following: |
|----|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | First Amendment to LeaseRent Commencement Date:  |  First Amendment to Lease Term Commencement Date. |
|--------|-------------------------------------------------------|--------------------------------------------------------|

| 6. | Effective on the First Amendment to Lease Term Commencement Date, Article I, Section 1.2 of the Lease, namely Basic Data, Additional Rent, shall apply to the Expansion Premises. |
|----|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| 7. | Effective on the First Amendment to Lease Term Commencement Date, Article II of the Lease, Section 2.1, namely Description of Premises and Appurtenant Rights, Location of Premises, is amended, in part, by inserting therein the following: |
|----|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| 8. | Effective on the First Amendment to Lease Term Commencement Date, Article III of the Lease, namely Term of Lease: Condition of Premises is hereby deleted, and replaced by inserting therein the following: |
|----|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

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| 9. | Effective on the First Amendment to Lease Term Commencement Date, Article III of the Lease, Section 3.3.1, namely Term of Lease, Extension Period, all terms and conditions of said Extension Period Section shall apply to the Expansion Premises. |
|----|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| 10. | Effective on the First Amendment to Lease Term Commencement Date, Article IV of the Lease, Section 4.2, namely Rent, Real Estate Tax, all terms and conditions of said Real Estate Tax Section shall apply to the Expansion Premises, with the exception of: |
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|   | Real Estate Tax Base:  | Real Estate Taxes the Building and Lot for the City of Boston Fiscal Year ending June 30, 2011. |
|--------|-----------------------------|-------------------------------------------------------------------------------------------------|

| 11. | Effective on the First Amendment to Lease Term Commencement Date, Article IV of the Lease, Section 4.3, namely Rent, Tenant's Share of Operating Costs, all terms and conditions of said Operating Costs Section shall apply to the Expansion Premises, with the exception of: |
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|   | Operating Expense Base: | The Operating Costs for the Building and Lot for Fiscal Year ending December 31, 2011. |
|--------|-------------------------|----------------------------------------------------------------------------------------|

| 12. | With the exception of The Stevens Group, Tenant warrants that there are no claims for broker's commissions or finder's fees in connection with its execution of this First Amendment to Lease or the tenancy hereby created and agrees to indemnify and save Landlord harmless from any liability that may arise from such claim, including reasonable attorney's fees. |
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| 13. | Except where this First Amendment to Lease specifically changes same, all other terms, conditions and covenants of the original Lease Agreement shall remain the same, where applicable, and are hereby reaffirmed. |
|-----|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| 14. | The submission of this document for examination and negotiation does not constitute an offer, and this document shall become effective and binding only upon the execution thereof by both Landlord and Tenant, regardless of any written or verbal representation of any agent, manager or other employee of Landlord to the contrary. All negotiations, consideration, representations and understandings between Landlord and Tenant are incorporated herein and the Lease and this First Amendment to Lease expressly supersede any proposals or other written documents relating hereto. The Lease and this First Amendment to Lease may be modified or altered only by written agreement between Landlord and Tenant, and no act or omission of any employee or agent of Landlord shall alter, change or modify any of the provisions thereof. |
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| LANDLORD:               |   | Schrafft Center LLC       |
|-------------------------|--------|---------------------------|
|                    |   |                      |
| /s/ Patricia A. Harford |   | /s/ John J. Roche         |
| WITNESS                 |   | By: John J. Roche         |
|                    |   | Its: Authorized Signatory |
|                    |   |                      |
| TENANT:                 |   | IntraLinks, Inc.          |
|                    |   |                      |
| /s/ Gregory Langan      |   | /s/ Anthony Plesner       |
| WITNESS                 |   | By: Anthony Plesner       |
|                    |   | Its: Authorized Signatory |
|                    |   |                      |
|                    |   |                      |
|                    |   |                      |

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|                                                                                                 |   |
|------------------------------------------------------------------------------------------------------|--------|
| JOANNE R. PERROTTANotary PublicCOMMONWEALTH OF MASSACHUSSETTSMy Commission Expires November 12, 2015 |   |
|                                                                                                 |   |

|                                                                                                                            |   |
|---------------------------------------------------------------------------------------------------------------------------------|--------|
| RACHEL J. HOLMESNotary Public, State of New YorkNo. 01-HO6177365Qualified in New York CountyMy Commission Expires Nov. 13, 2011 |   |
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