Riverbed Technology (RVBD)

9.    LEASE COMMITMENTS

We lease our facilities under non-cancelable operating lease agreements. Future minimum commitments for these operating leases in place as of December 31, 2008 with a remaining non-cancelable lease term in excess of one year are as follows:

The terms of certain lease agreements provide for rental payments on a graduated basis. We recognize rent expense on the straight-line basis over the lease period and have accrued for rent expense incurred but not paid. Rent expense under operating leases was $7.1 million, $5.3 million and $2.1 million for the years ended December 31, 2008, 2007 and 2006, respectively.

On September 26, 2006, we entered into an Agreement of Sublease (Sublease) for new corporate headquarters, and on March 21, 2007 entered into another lease agreement to expand our corporate headquarters as well as extend the term of the existing Sublease mentioned above. The terms of the leases are from February 1, 2007 and March 31, 2007, respectively, to July 31, 2014, with two five year renewal options. The aggregate minimum lease commitment for the combined leases is $19.1 million and is included in the table above. We have entered into two letters of credit totaling $3.0 million to serve as security deposits for the leases, which is included in other assets in the consolidated balance sheet.

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RIVERBED TECHNOLOGY, INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

On July 3, 2007, we entered into a lease agreement for office space in Sunnyvale, California. The term of the lease is for five years and seven months, with two five year renewal options, commencing on January 1, 2008. The aggregate minimum lease commitment is $4.0 million and is reflected in the table above. On July 2, 2007, we entered into a letter of credit in the amount of $500,000 to serve as the security deposit for the lease.

8.    LEASE COMMITMENTS

We lease our facilities under non-cancelable operating lease agreements. Future minimum commitments for these operating leases in place as of December 31, 2007 with a remaining non-cancelable lease term in excess of one year are as follows:

The terms of certain lease agreements provide for rental payments on a graduated basis. We recognize rent expense on the straight-line basis over the lease period and have accrued for rent expense incurred but not paid. Rent expense under operating leases was $5.3 million, $2.1 million, and $763,000 for the years ended December 31, 2007, 2006 and 2005, respectively.

On September 26, 2006, we entered into an Agreement of Sublease, or Sublease, for new corporate headquarters, and on March 21, 2007 entered into another lease agreement to expand our corporate headquarters as well as extend the term of the existing Sublease mentioned above. The terms of the leases are from February 1, 2007 and March 31, 2007, respectively, to July 31, 2014. The aggregate minimum lease commitment for the combined leases is $21.3 million and is included in the table above. We have entered into two letters of credit totaling $3.0 million to serve as security deposits for the leases, which is included in other assets in the consolidated balance sheet.

On July 3, 2007, we entered into a lease agreement for office space in Sunnyvale, California. The term of the lease is for five years and seven months commencing on January 1, 2008. The aggregate minimum lease commitment is $4.7 million and is reflected in the table above. On July 2, 2007, we entered into a letter of credit in the amount of $500,000 to serve as the security deposit for the lease.

8.    LEASE COMMITMENTS

We lease our facilities under non-cancelable operating lease agreements. Future minimum commitments for these operating leases in place as of
December 31, 2007 with a remaining non-cancelable lease term in excess of one year are as follows:

The terms of certain lease agreements provide for rental payments on a graduated basis. We recognize rent
expense on the straight-line basis over the lease period and have accrued for rent expense incurred but not paid. Rent expense under operating leases was $5.3 million, $2.1 million, and $763,000 for the years ended December 31, 2007, 2006 and
2005, respectively.

On September 26, 2006, we entered into an Agreement of Sublease, or Sublease, for new corporate headquarters, and on
March 21, 2007 entered into another lease agreement to expand our corporate headquarters as well as extend the term of the existing Sublease mentioned above. The terms of the leases are from February 1, 2007 and March 31, 2007,
respectively, to July 31, 2014. The aggregate minimum lease commitment for the combined leases is $21.3 million and is included in the table above. We have entered into two letters of credit totaling $3.0 million to serve as security deposits
for the leases, which is included in other assets in the consolidated balance sheet.

On July 3, 2007, we entered into a lease agreement for
office space in Sunnyvale, California. The term of the lease is for five years and seven months commencing on January 1, 2008. The aggregate minimum lease commitment is $4.7 million and is reflected in the table above. On July 2, 2007, we
entered into a letter of credit in the amount of $500,000 to serve as the security deposit for the lease.

10.    LEASE COMMITMENTS

We lease our facilities under non-cancelable operating lease agreements. Future minimum commitments for these operating leases in place as of December 31, 2006 with a remaining non-cancelable lease term in excess of one year are as follows:

The terms of certain lease agreements provide for rental payments on a graduated basis. We recognize rent expense on the straight-line basis over the lease period and have accrued for rent expense incurred but not paid. Rent expense under operating leases was $2.1 million, $763,000 and $330,000 for the years ended December 31, 2006, 2005 and 2004, respectively.

On September 26, 2006, we entered into an Agreement of Sublease (Sublease) for new corporate headquarters. The term of the Sublease is from February 1, 2007 to August 30, 2010. The aggregate minimum lease commitment is $5.1 million and is reflected in the table above. The Sublease also calls for additional payments for electricity and a portion of real estate taxes and operating expenses. We have entered into a letter of credit in the amount of $1.4 million to serve as the security deposit for the Sublease. The sublease also provides for a tenant improvement allowance of up to $1.3 million. The security deposit is included in other assets on the consolidated balance sheet.

On January 25, 2007, we entered into a lease agreement for office space in New York. The term of the lease is five years commencing on the date the premises are delivered vacant and for exclusive possession by us. The aggregate minimum lease commitment is $1.2 million, which is not included in the table above as it was entered into subsequent to December 31, 2006.