----

----

|   | 1. | DATE: | July      3, 2001 (for reference purposesonly). |
|--------|----|-------|-------------------------------------------------|

|   | 2. | PARTIES: |
|--------|----|----------|

|   | Landlord: | Aston      Views, LLC, a California limited liability  company. |
|--------|-----------|-----------------------------------------------------------------|

|   | Tenant: | Convera      Corporation, a Delaware Corporation |
|--------|---------|--------------------------------------------------|

|   | 3. | PREMISES: |
|--------|----|-----------|

|   | A. | Building      Address: | 1808      Aston Avenue |
|--------|----|------------------------|------------------------|

|   | Carlsbad,      California 92008 |
|--------|---------------------------------|

|   | B. | Floor: | 1st      and 2nd Floors. |
|--------|----|--------|--------------------------|

|   | C. | Location: | First      and second floor space, as described in Exhibit A attached      hereto. |
|--------|----|-----------|------------------------------------------------------------------------------------|

|   | D. | Rentable      Square Footage: | Approximately      30,411 rentable square feet. |
|--------|----|-------------------------------|-------------------------------------------------|

|   | E. | Parking      Spaces: | 122      unreserved; no additional charge during Initial Lease Term and any option      periods; exact number of spaces to be confirmed once final usable square      footage amount has been determined. |
|--------|----|----------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | 4. | TERM: |
|--------|----|-------|

|   | rm      of Lease: | 61      months Initial Term. |
|--------|-------------------|------------------------------|

|   | B. | Scheduled      Commencement Date: | Upon      completion of Tenant Improvements (the date of which shall be when final      inspection of the tenant improvements is approved by the City of      Carlsbad), but not sooner than November 1,2001. |
|--------|----|-----------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | C. | Rent      Commencement Date: | December      1, 2001, or one (1) month following the Scheduled Commencement      Date. |
|--------|----|------------------------------|-----------------------------------------------------------------------------------------|

|   | D. | Option      to Renew: | One      (1) five (5) year option as set forth on  Addendum. |
|--------|----|-----------------------|--------------------------------------------------------------|

----

|   | 5. | RENT: |
|--------|----|-------|

|   | A. | Initial      Monthly Base Rent | $1.85      per rentable square foot per month plus  utilities. |
|--------|----|--------------------------------|----------------------------------------------------------------|

|   | B. | Annual      Increase to Base Rent: |
|--------|----|------------------------------------|

|   | (i) | Annual Cost of      Living Increase: | As described in      Section 3.2.1 of the Lease. |
|--------|-----|--------------------------------------|--------------------------------------------------|

|   | (ii) | Percentage      Increase: | 3%      Fixed Increase over previous year (Seebelow) |
|--------|------|---------------------------|------------------------------------------------------|

|   | (iii) | Scheduled      Increase: |
|--------|-------|--------------------------|

|   | Month      of | Monthly      Base Rent per |
|--------|---------------|----------------------------|

|   | Lease      Term | Sq. Ft. of Net      Rentable Area |
|--------|-----------------|-----------------------------------|

|   | 1-12 | $1.85      (plus utilities) |
|--------|------|-----------------------------|

|   | 13-24 | $1.906      (plus utilities) |
|--------|-------|------------------------------|

|   | 25-36 | $1.963      (plus utilities) |
|--------|-------|------------------------------|

|   | 37-48 | $2.022      (plus utilities) |
|--------|-------|------------------------------|

|   | 49-60 | $2.082      (plus utilities) |
|--------|-------|------------------------------|

|   | C. | Base      Rent Paid Upon |
|--------|----|--------------------------|

|   | Execution: | $56,260.35      to be applied against rent beginning on the Rent Commencement      Date. |
|--------|------------|------------------------------------------------------------------------------------------|

|   | D. | Utilities: | Utilities      shall be separately metered to the Premises and paid directly by Tenant to      the utility supplier. Landlord shall provide without cost to Tenant the      janitorial service described in Paragraph 6 of Exhibit  C. |
|--------|----|------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | 6. | TENANT'S      EXPENSE |
|--------|----|-----------------------|

|   | STOP    BASE: | To      be determined based upon actual Operating Expenses during the base year,      which is calendar year 2002 with Operating      Expenses for such base year to be grossed up, if necessary, to assume 95%      occupancy and a fully assessedProject. |
|--------|---------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | Increases      in Operating Expenses shall be charged to Tenant as Additional Rent      beginning in the 13th full month of theTerm. |
|--------|--------------------------------------------------------------------------------------------------------------------------------------|

|   | See      Addendum for additional Operating Expense  language. |
|--------|---------------------------------------------------------------|

|   | 7. | TENANT'S      OPERATING |
|--------|----|-------------------------|

|   | EXPENSE      PERCENTAGE: | 36.6%      (the ratio that the Rentable Square Footage of the Premises bears to the      Rentable Square Footage in the Building); exact percentage to be confirmed      once final rentable square footage has been  determined. |
|--------|--------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | 8. | LEASEHOLD      IMPROVEMENTS: |
|--------|----|------------------------------|

|   | A. | Tenant's      Allowance for |
|--------|----|-----------------------------|

----

|   | Leasehold      Improvements: | $35.00      per rentable square foot.  See Addendum for additional Tenant      Allowance language. |
|--------|------------------------------|--------------------------------------------------------------------------------------------------------------|

|   | B. | Leasehold      Improvement |
|--------|----|----------------------------|

|   | Management      Fee: | _____% of total      construction costs to be charged against Tenant's Allowance for      Improvements. |
|--------|----------------------|---------------------------------------------------------------------------------------------------------|

|   | 9. | SECURITY      DEPOSIT: | $56,260.35 |
|--------|----|------------------------|------------|

|   | 10. | PERMITTED      USE OF |
|--------|-----|-----------------------|

|   | PREMISES: | Tenant      will operate office, sales, administrative, software engineering and      related lab functions within the Building, and will have the right to use      the Premises for any other legally permitted  use. |
|--------|-----------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | 11. | TENANT'S      INITIAL LIABILITY |
|--------|-----|---------------------------------|

|   | INSURANCE      LIMITS: | $2,000,000      per person for personal injury ordeath; |
|--------|------------------------|---------------------------------------------------------|

|   | $2,000,000      per occurrence for personal injury or death;and |
|--------|-----------------------------------------------------------------|

|   | $1,000,000      per occurrence for damage toproperty. |
|--------|-------------------------------------------------------|

|   | 12. | BROKER(S): |
|--------|-----|------------|

|   | A. | Landlord's      Broker: | Kent      Moore, Rick Reeder, and Dan Oury |
|--------|----|-------------------------|--------------------------------------------|

|   | Business      Real Estate Brokerage Company |
|--------|---------------------------------------------|

|   | B. | Tenant's      Broker: | Brian      Ffrench |
|--------|----|-----------------------|--------------------|

|   | Irving      Hughes |
|--------|--------------------|

|   | 13. | GUARANTOR(S): |   |   |
|--------|-----|---------------|--------|--------|

|   |   |
|--------|--------|

|   |   |
|--------|--------|

|   | 14. | NOTICE: |
|--------|-----|---------|

|   | To      LANDLORD: | Copy      to: |
|--------|-------------------|---------------|

|   | Aston      Views, LLC | Spectrum      Property Management |
|--------|-----------------------|-----------------------------------|

| 4370      La Jolla Village Drive, Suite 655 | 8799      Balboa Avenue, Suite 260 |
|---------------------------------------------|------------------------------------|

|   | San      Diego, CA 92122. | San      Diego, CA 92123 |
|--------|---------------------------|--------------------------|

|   | Attn:      Mark D. McLaren | Attn:      Brenda Tworoger |
|--------|----------------------------|----------------------------|

|   | To      TENANT: | Copy      to: |
|--------|-----------------|---------------|

|   | Convera      Corporation | Convera      Corporation |
|--------|--------------------------|--------------------------|

|   | 1921      Gallows Road, Suite 200 | 1921      Gallows Road, Suite 200 |
|--------|-----------------------------------|-----------------------------------|

|   | Vienna,      VA  22182 | Vienna,      VA  22182 |
|--------|----------------------------------|----------------------------------|

|   | Attn:      Martin Nowakowski | Attn:      Marc Martin |
|--------|------------------------------|------------------------|

----

|   | building,      the exact location of which shall be mutually agreed upon by Landlord and      Tenant, and one (1) section of a four-tenant monument sign to be placed at      the project entry.  Both signs shall be subject to approvals by      the City of Carlsbad and the business park association.  Tenant      shall be responsible for the cost of all approvals, construction,      installation, and fees associated with the above-mentioned signs. Landlord      to provide standard lobby directory and standard tenant door signage at      Landlord’s expense.  Tenant shall also have the right to install      signage within its Premises. |
|--------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

----

| SECTION PAGE                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |         |
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|--------------|
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |         |
| 1.         PREMISES      AND COMMON AREAS                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           | 1            |
| 1.1         Premises                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                | 1            |
| 1.2         Common      Areas                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       | 1            |
| 1.3         Common      Areas Rules and Regulations                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 | 1            |
| 1.4         Conditions      of Premises                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             | 1            |
| 1.5         Changes      to Common Areas                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            | 2            |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |         |
| 2.         TERM                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     | 2            |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |         |
| 2.1         Length      of Term                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     | 2            |
| 2.2         Commencement      Date                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  | 2            |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |         |
| 3.         RENT                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     | 2            |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |         |
| 3.1         Base      Rent                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          | 3            |
| 3.2         Annual      Increase to Base Rent                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       | 3            |
| 3.3         Additional      Rent                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    | 3            |
| 3.4         Tenant's      Charges                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   | 5            |
| 3.5         Late      Charges                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       | 5            |
| 3.6         Interest      on Past Due Obligations                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   | 5            |
| 3.7         Security      Deposit                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   | 5            |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |         |
| 4.      USE                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      | 6            |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |         |
| 4.1         Permitted      Uses                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     | 6            |
| 4.2         Prohibited      Uses                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    | 6            |
| 4.3         Changes      in Use                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     | 6            |
| 4.4         Compliance      With Laws                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               | 6            |
| 4.5         Insurance      Use Requirements                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         | 6            |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |         |
| 5.         MAINTENANCE,      REPAIR AND ALTERATION OF PREMISES                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      | 6            |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |         |
| 5.1         Maintenance      and Repair                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             | 6            |
| 5.2         Alterations                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             | 7            |
| 5.3         Condition      on Termination                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           | 7            |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |         |
| 6.         UTILITIES      AND SERVICES                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              | 7            |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |         |
| 6.1         Utilities      and Services Furnished by Landlord                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       | 7            |
| 6.2         Utilities      and Services Furnished by Tenant                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         | 7            |
| 6.3         Interruption      of Service                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            | 7            |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |         |
| 7.         INSURANCE      AND INDEMNITY                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             | 8            |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |         |
| 7.1         Tenant's      Liability Insurance                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       | 8            |
| 7.2         Tenant's      Casualty Insurance                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        | 8            |
| 7.3         Form      of Insurance Policies                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         | 8            |
| 7.4         Landlord      Insurance                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 | 8            |
| 7.5         Waiver      of Liability of Landlord                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    | 8            |
| 7.6         Landlord’s      Liability                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         | 9            |
| 7.7         Indemnity      by Tenant of Landlord                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    | 9            |
| 7.8         Indemnity      by Landlord of Tenant............................................................                                                                                                                                                                                                                                                                                                                                                                                                                                                                        | 9            |
| 7.9         Waiver      of Subrogation                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              | 9            |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |         |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |         |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |         |
| 8.         DAMAGE      OR DESTRUCTION                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               | 9            |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |         |
| 8.1         Definitions                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             | 9            |
| 8.2         Premises      Damage; Premises Building Partial Damage                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  | 10           |
| 8.3         Building      Total Destruction; Project Total Destruction                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              | 10           |
| 8.4         Damage      Near End of Term                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            | 10           |
| 8.5         Abatement      of Rent: Tenant's Remedies                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               | 10           |
| 8.6         Termination-Advance      Payments                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       | 11           |
| 8.7         Waiver                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  | 11           |
| 8.8         Insurance      Limitation                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               | 11           |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |         |
| 9.         TAXES                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    | 11           |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |         |
| 10.         ASSIGNMENT      AND SUBLETTING                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          | 11           |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |         |
| 10.1                 Prohibition      of Assignment or Sublet                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               | 11           |
| 10.2                 Procedure      for Consent                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             | 12           |
| 10.3                 Continuing      Obligation of Tenant                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   | 12           |
| 10.4                 Additional      Terms and Conditions Applicable to Subletting                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          | 12           |
| 10.5                 Excess      Rent                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       | 13           |
| 10.6                 No      Merger                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         | 13           |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |         |
| 11.         DEFAULT                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 | 13           |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |         |
| 11.1                 Default      by Tenant                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 | 13           |
| 11.2                 Landlord's      Remedies                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               | 13           |
| 11.3                 Inducement,      Recapture and Effect of Breach                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        | 14           |
| 11.4                 Right      of Landlord to Re-Enter                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     | 14           |
| 11.5                 Default      by Landlord                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               | 14           |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |         |
| 12.         ENVIRONMENTAL      MATTERS                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              | 14           |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |         |
| 12.1                 Definitions                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            | 14           |
| 12.2                 Legal      Requirements                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                | 15           |
| 12.3                 Environmental      Indemnification By Tenant                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           | 15           |
| 12.4                 Tenant's      Remedial Action Responsibility                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           | 16           |
| 12.5                 Inspection      Rights                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 | 16           |
| 12.6                 Survival      of Article                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               | 16           |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |         |
| 13.         LANDLORD'S      RIGHT TO ENTRY AND TO RELOCATE PREMISES                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 | 16           |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |         |
| 13.1                 Right      to Entry                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    | 16           |
| 13.2                 Relocation of      Premises                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            | 16           |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |         |
| 14.         CONSTRUCTION      OF PREMISES                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           | 16           |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |         |
| 15.         SIGNS                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   | 17           |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |         |
| 16.         SECURITY                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                | 17           |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |         |
| 17.         EMINENT      DOMAIN                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     | 17           |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |         |
| 18.         SUBORDINATION                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           | 17           |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |         |
| 19.         ESTOPPEL      CERTIFICATE                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               | 18           |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |         |
| 20.         ATTORNEYS'      FEES                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    | 18           |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |         |
| 21.         PARKING                                                                                                         | 18           |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |         |
| 22.         NOTICE                                                                                                          | 18           |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |         |
| 22.1                 Manner      of Service                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 | 18           |
| 22.2                 Change      of Place of Service                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        | 18           |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |         |
| 23.         HOLDING      OVER BY TENANT                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             | 18           |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |         |
| 24.         WAIVER                                                                                                          | 19           |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |         |
| 25.         TIME      OF THE ESSENCE                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                | 19           |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |         |
| 26.         SUCCESSORS      AND ASSIGNS                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             | 19           |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |         |
| 27.         LANDLORD'S      RESERVATIONS                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            | 19           |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |         |
| 28.         BROKERAGE      COMMISSION                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               | 19           |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |         |
| 29.         FINANCIAL      STATEMENTS                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               | 19           |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |         |
| 30.         FORCE      MAJEURE                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      | 20           |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |         |
| 31.         GOVERNING      LAW                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      | 20           |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |         |
| 32.         CAPTIONS      AND INTERPRETATIONS                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       | 20           |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |         |
| 33.         SEVERABILITY                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            | 20           |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |         |
| 34.         LEASE      NOT EFFECTIVE UNTIL EXECUTED; AUTHORITY TO      EXECUTELEASE                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |         |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |         |
| 35.         EXHIBITS      AND ADDENDA TO LEASE                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      | 20           |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |         |
| 36.         GUARANTY                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                | 20           |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |         |
| 37.         RECORDATION      OF LEASE                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               | 20           |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |         |
| 38.         ENTIRE      AGREEMENT                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   | 20           |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |         |
| SIGNATURES                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       | 21           |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |         |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |         |
| EXHIBITS                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |         |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |         |
|       Reference      Section                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |         |
| A.         Premises      Floor Plan                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 | 1.1          |
| B.         Rules      and Regulations                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               | 1.3          |
| C.         Standards      for Utilities and Services                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                | 6.1          |
| D.         Work      Letter Agreement                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               | 14           |
| E.         Guaranty of      Lease                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   | 36           |
| F.         Form      of Estoppel Certificate                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        | 19           |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |         |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |         |
| ADDENDA                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |         |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |         |
| ADDENDUM      TO LEASE                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           | 3      pages |

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----

| 3.3.6.3   | Any      expenses paid by Tenant directly to third parties, or as to which Landlord      is otherwise reimbursed by any third party, any other tenant or insurance      proceeds. |
|---------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| 3.3.6.4   | Interest      or penalties for late payment of real estate  taxes. |
|---------------------|--------------------------------------------------------------------|

| 3.3.6.5   | Capital      improvements, except as allowed by Section  3.3.5.8. |
|---------------------|-------------------------------------------------------------------|

----

| 30.   | FORCE      MAJEURE |
|-----------------|--------------------|

|   | BY      TENANT:CONVERA      CorporationA      Delaware Corporation  |   |   | BY      LANDLORD:ASTON      VIEWS, LLCA      California limited liability company |
|--------|--------------------------------------------------------------------------|--------|--------|-----------------------------------------------------------------------------------|
| By:    | /s/James Buchanan                                                        |   | By:    | /s/Mark D. McLaren                                                                |
| Name:  | James Buchanan                                                           |   | Name:  | Mark D. McLaren                                                                   |
| Title: | CFO                                                                      |   | Title: | Managing Member                                                                   |
|   |                                                                     |   |   |                                                                              |
| By:    | /s/Martin Nowakowski                                                     |   | By:    |                                                                              |
| Name:  | Martin Nowakowski                                                        |   | Name:  |                                                                              |
| Title: | Mgr. Facilities &      Administration                                |   | Title: |                                                                              |

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----

| 1. | No      tenant or its agents or employees shall loiter in the mail areas or other      Common Areas of the Building, nor shall they in any way obstruct the      sidewalks, entry passages, pedestrian passageways, driveways, entrances      and exits to the Building, and they shall use the same only as passageways      to and from their respective premises. Landlord reserves the right to      exclude or expel from the Building any person who, in the judgment of      Landlord, is intoxicated or under the influence of liquor or drugs, or who      shall in any manner do any act in violation of the rules and regulations      of the Building. |
|----|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| 2. | No      sash doors, sashes, windows, glass doors, lights and skylights that      reflect or admit light into the Common Areas of the Building shall be      covered or obstructed by any tenant, and doors leading into the Common      Areas from tenant premises shall not be left open by any      tenant. |
|----|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| 3. | Water      closets and urinals shall not be used for any purpose other than those for      which they were constructed, and no rubbish, newspapers, food or other      substances of any kind shall be thrown into them. No tenant or his agents      and employees shall throw or discard cigar or cigarette butts or other      substances or lifter of any kind in or about the Building, except in      receptacles placed therein for such purposes by Landlord or governmental      authorities. All garbage, including wet garbage, refuse or trash shall be      placed by each tenant in the receptacles provided by Landlord for that      purpose and only during those times prescribed by  Landlord. |
|----|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| 4. | Tenants      shall not mark, drive nails, screw or drill into, paint or in any way      deface, any exterior walls, roof foundations, bearing walls or pillars      without the prior written consent of Landlord. No boring or cutting for      wires shall be allowed, except with the consent of Landlord. The expense      of repairing any breakage, stoppage or damage resulting from a violation      of this rule or the preceding rule shall be borne by the tenant violating      or responsible for the violation of suchrule. |
|----|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| 5. | Tenant      shall not alter any lock or install new or additional locks or bolts in or      about the Premises, without the written approval of    Landlord. |
|----|--------------------------------------------------------------------------------------------------------------------------------------------------------------|

| 6. | No      curtains, blinds, screens, shades, window tinting, or other window      coverings shall be attached to or hung in any window visible from the      exterior of the Premises without the prior written consent of Landlord. No      bottles, parcels, or other articles shall be placed on the window or      storefront sills such that they may be observed from outside the      Premises. |
|----|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| 7. | No      tenant shall do anything in any premises, or bring or keep anything      therein, which will in any way increase or tend to increase the risk of      fire or the rate of fire insurance or which shall conflict with applicable      law, rules or regulations established by any governmental body or official      having jurisdiction, the regulations of the fire department or the      provisions or requirements of any insurance policy on such premises or any      part thereof. Tenant shall not use any machinery in its premises, even      though the installation may have been originally permitted, which may      cause any unreasonable noise or jar, or tremor to the floors or walls, or      which by its weight might injure the walls or floors of such premises or      any other portion of the Building. |
|----|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| 8. | Landlord      may limit the weight, size and position of all filing systems, computers,      safes, fixtures and other heavy equipment used in any premises. In the      event any tenant shall require heavy equipment, such tenant shall notify      Landlord of such fact and shall pay the cost of any structural bracing      required to accommodate the same. All damage done to such premises or to      any other portion of the Building resulting from installing, removing or      maintaining extra heavy equipment shall be repaired at the expense of the      tenant which maintains suchequipment. |
|----|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| 9. | No      tenant or its agents and employees shall make or permit any loud, unusual      or improper noises in the Building, nor interfere in any way with other      tenants or those having business with them, nor bring into nor keep within      the Building any animal or bird (with the exception of the authorized pet      store), or any bicycle or other vehicle, except such vehicles as tenants      are permitted to park in the Building parking lot, and shall park only in      the areas designated from time to time for employee parking generally. No      radio or television or other similar device shall be installed without      first obtaining in each instance Landlord's consent in writing. No aerial      shall be erected on the roof or exterior walls of any premises, or on the      ground, without in each instance, the written consent of Landlord. Any      aerial so installed without such written consent shall be subject to      removal without notice at any time. |
|----|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| 10. | All      freight must be moved into, within and out of tenant premises only during      such hours and according to such regulations and may be posted from time      to time in Landlord's generaloffices. |
|-----|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| 11. | Tenant      shall not employ any service or contractor for services or work to be      performed in the Building, except as approved by  Landlord. |
|-----|----------------------------------------------------------------------------------------------------------------------------------------------------|

| 12. | Tenant      shall return all keys at the termination of its tenancy and shall be      responsible for the cost of replacing any keys that are    lost. |
|-----|--------------------------------------------------------------------------------------------------------------------------------------------------------|

| 13. | Tenant      shall not suffer or permit smoking or carrying of lighted pipes, cigars or      cigarettes other than in areas designated by Landlord in the Common Areas      as smoking areas. At Landlord’s sole option, Landlord may grant Tenant the      temporary and revocable permission to install a smoking area within the      Premises. The cost of installing and maintaining of any smoking area      within the Premises shall be charged to Tenant, including but not limited      to costs of additional cleaning, air conditioning or other work whatsoever      required to prevent any effects of the smoking area from reaching any      other area in the Building. Landlord reserves the right to revoke Tenant’s      temporary permission to a smoking area within the Premises, at Landlord’s      sole option. |
|-----|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| 14. | Tenant      shall not use any method of heating or air conditioning without prior written approval      of Landlord. |
|-----|----------------------------------------------------------------------------------------------------------------------|

| 15. | Tenant      shall not install, maintain or operate any vending machine upon the      Premises without Landlord's writtenconsent. |
|-----|----------------------------------------------------------------------------------------------------------------------------------|

| 16. | The      Premises shall not be used for food preparation, lodging, manufacturing,      or storage of merchandise, except as such  may be incidental to      use of the Premises for general officepurposes. |
|-----|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| 17. | Canvassing,      soliciting and peddling in the Building are prohibited and each Tenant      shall cooperate to prevent same. |
|-----|-------------------------------------------------------------------------------------------------------------------------------|

| 18. | Tenants      are required to observe all security regulations issued by Landlord and to      comply with instructions and/or directions of the duly authorized security      personnel for the protection of the Building and all tenants therein.      Access by any tenant to his premises or the Building before or after hours      of operation of the Building shall be subject to clearance by the security      personnel of the Building and to compliance with such procedures as may be      imposed by such personnel, including presentation of identification to      such personnel. |
|-----|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| 19. | Landlord      reserves the right, but shall not have the obligation, to close and keep      locked any and all entrances and exit doors and gates of the Building and      gates or doors closing the parking areas thereof during such hours as      Landlord may deem to be advisable for the adequate protection of the      Building and all tenants therein. |
|-----|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| 20. | Parking      areas shall be used only for parking by vehicles no longer than full size,      passenger automobiles. Tenant shall not permit or allow any vehicles that      belong to or are controlled by Tenant or Tenant's employees, suppliers,      shippers, customers, or invitees to be loaded, unloaded, or parked in      areas other than those designed by Landlord for such activities. Users of      the parking area will obey all posted signs and park only in the areas      designated for vehicle parking. Tenant shall be responsible for seeing      that all of its employees, agents and invitees comply with the applicable      parking rules, regulations, laws and agreements. The maintenance, washing,      waxing or cleaning of vehicles in the parking structure or Common Areas is      prohibited. |
|-----|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| 21. | Parking      stickers or identification devices shall be the property of Landlord and      be returned to Landlord by the holder thereof upon termination of the      holder's parking privileges. Tenant will pay such replacement charge as is      reasonably established by Landlord for the loss of such      devices. |
|-----|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| 22. | Such      parking use as is herein provided is intended merely as a license only and      no bailment is intended or shall be created hereby. Unless otherwise      instructed, every person using the parking area is required to park and      lock his own vehicle. Landlord will not be responsible for any damage to      vehicles, injury to persons or loss of property, all of which risks are      assumed by the party using the parkingarea. |
|-----|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| 23. | Landlord      reserves the right at any time to change or rescind any one or more of      these rules and regulations or to make such other and further reasonable      rules and regulations as in Landlord's judgment may from time to time be      necessary for the management, safety, care and cleanliness of the      Building, for the preservation of good order therein and for the      convenience of tenants and visitors to the Building, Any such amendments,      deletions or additions to these rules and regulations shall be effective      immediately upon delivery of written notice thereof to tenants. No waiver      of any rule or regulation by Landlord shall be effective unless expressed      in writing and signed by Landlord. Landlord shall not be responsible to      any tenant or any other person for the nonobservance or violation of these      rules and regulations by any other tenant or other  person. |
|-----|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| 24. | A      copy of these rules and regulations shall be attached to and form a part      of each tenant lease at the Building, Each tenant who executes a lease of      space at the Building shall be deemed to have read these rules and      regulations and to have agreed to abide by them as a condition to its      occupancy of space at the Building. |
|-----|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

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|   | 1. | Definitions |
|--------|----|-------------|

|   | 1.1 | "Approved      Plans" are defined in Section 5.1below. |
|--------|-----|--------------------------------------------------------|

|   | 1.2 | "Estimated      Work Cost" is defined in Section 4.2below. |
|--------|-----|------------------------------------------------------------|

|   | 1.3 | "Preliminary      Plans" are defined in Section 3.1below. |
|--------|-----|-----------------------------------------------------------|

|   | 1.4 | "Space      Planner" shall mean a      Space Planner selected by Tenant and approved by      Landlord. |
|--------|-----|--------------------------------------------------------------------------------------------------------|

|   | 1.5 | "Contractor"'      shall mean  a      General Contractor selected by Tenant and approved by      Landlord. |
|--------|-----|----------------------------------------------------------------------------------------------------------------------|

|   | 1.6 | "Standards"      shall mean Landlord's usual specifications for standard leasehold      improvements in the Building. |
|--------|-----|-----------------------------------------------------------------------------------------------------------------------|

|   | 1.7 | "Tenant      Improvements" shall mean all improvements made to the Premises other than      those that are physically in place at the Premises as of the date of the      execution of the Lease. |
|--------|-----|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | 1.8 | "Tenant's      Allowance" shall mean the sum specified in the Basic Lease Provisions      per  rentable square foot of      the Premises, which shall be paid by Landlord toward the cost of      completion of the TenantImprovements. |
|--------|-----|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | 1.9 | "Tenant's      Programming Information" shall mean all information necessary for the      preparation of the Preliminary Plans, including without limitation      electrical requirements, telephone, special heat generating equipment,      plumbing requirements, special finishes, number and sizes of offices,      number of secretarial stations and special data processing      requirements. |
|--------|-----|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | 1.10 | Tenant      approval, authorization, consent or other required action shall mean such      action taken or authorized by Tenant, Landlord shall have the right to      rely on such approval, authorization, consent or other action, until      Tenant advises Landlord in writing that some other person has such      authority. |
|--------|------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | 1.11 | Other      terms are defined in this Work Letter Agreement. In addition, terms      defined in the Lease shall have the same meanings where used herein,      unless the context otherwiserequires. |
|--------|------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | 2. | Schedule |
|--------|----|----------|

|   | 2.1 | Tenant      and  Space Planner shall furnish to Landlord the Preliminary      Plans within  thirty (30) days      following execution of      the Lease. |
|--------|-----|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | 2.2 | Tenant shall furnish to      Landlord the      Estimated Work Cost and the identity of  Contractor within fifteen (15) days following      completion of PreliminaryPlans. |
|--------|-----|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | 23 | Tenant      shall furnish to Landlord written notice of its acceptance or rejection of      the Estimated Work Cost within ten (10) days after receipt of same      . |
|--------|----|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | 2.4 | If      Tenant rejects the Estimated Work Cost, Tenant shall meet with the Space      Planner and  Contractor to revise the Preliminary Plans within      ten (10) days after furnishing such rejection to Landlord  . |
|--------|-----|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | 2.5 | Tenant shall cause its      architect and engineer to prepareand  furnish to Tenant and Landlord      construction drawings and specifications for Tenant Improvements based on      the Preliminary Plans within twenty (20) days      following Tenant's and      Landlord’s approval of the Preliminary  Plans. |
|--------|-----|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | 2.6 | Tenant      shall furnish to Landlord written notice of its acceptance or rejection of      the construction drawings within ten (10) days after receipt of same      . |
|--------|-----|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | 2.7 | Contractor shall      prepare and furnish to Tenant and Landlord a final      cost proposal based upon the Approved Plans within ten (10) days after      Tenant's approval or deemed approval of the Approved  Plans. |
|--------|-----|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | 2.8 | If      the final cost proposal is greater than the Estimated Work Cost, Tenant      shall furnish to Landlord written notice of its acceptance or rejection of      the final cost proposal within ten (10) days after receipt of same . If      Tenant rejects the final cost proposal, Tenant may elect the      Competitive Bid described in Paragraph 8below. |
|--------|-----|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | 2.9 | Tenant shall cause its      Contractor to complete the construction of the Tenant Improvements within      sixty (60) days following approval of the Approved Plans, receipt of all      building permits required by governmental agencies having jurisdiction      thereof, and/or approval of the final cost proposal, whichever is      later. |
|--------|-----|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   |  3. | Preliminary      Plans |
|--------|----------|------------------------|

|   | . | 3.1 | Tenant      shall furnish  its Programming      Information to Space      Planner . Thereafter, Tenant      shall cause the Space Planner to prepare preliminary space plans and      specifications (the "Preliminary Plans") for all leasehold improvements to      be constructed  for Tenant in the Premises, which Preliminary      Plans shall be sufficient to obtain an Estimated Work Cost      for the construction and installation of the Tenant Improvements as      shown thereon. The cost of the preparation of Preliminary Plans shall be      charged against the Tenant's Allowance. Tenant shall furnish the      Preliminary Plans to Landlord by the time set forth in Section 2.1 above. Tenant shall furnish      the Estimated Work Cost to Landlord by the time      set forth in Section 2.2      above. |
|--------|---|-----|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | 3.2 | In      the preparation of Preliminary Plans and Approved Plans, no deviation      shall be permitted from the Standards with respect to entry doors and      hardware, entry graphics, ceiling systems, life safety systems or      perimeter window coverings. Subject to Landlord's approval, Tenant may      deviate from the Standards as to partitions, floor coverings, wall      finishes, special lighting fixtures or other items as to which deviations      may be permitted, provided that no deviation shall be of lesser quality      than the Standards. Landlord will not approve of any deviations which (a)      do not conform to applicable governmental regulations or are disapproved      by any governmental agency, (b) that require Building service beyond the      level normally provided to other tenants in the Building, (c) that because      of fabrication time or other factors would delay the construction schedule      (unless Tenant agrees that the Commencement Date will not be extended by      such delay), or (d) that in Landlord's reasonable opinion are of a nature      or quality that are inconsistent with Landlord's overall plan or      objectives for the Building. |
|--------|-----|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | 4. | Tenant's      Allowance |
|--------|----|-------------------------|

|   | 4.1 | Landlord      shall pay for the construction and installation of the Tenant Improvements      up to, but not in excess of, the Tenant's Allowance. Tenant shall pay the      cost of all Tenant Improvements in excess of the Tenant's Allowance. The      cost of Tenant Improvements shall include the cost of all labor and      materials for the construction and installation of the Tenant      Improvements; the cost of all permits, licenses and fees; all amounts paid      to  Contractors under and pursuant to contracts for the      construction and installation of the Tenant Improvements; all      architectural, engineering, space planning and other consultants' fees;      all amounts paid for mechanical drawings, plans, specifications, shop      drawings, designs and layouts; and incidental costs related to the      foregoing. |
|--------|-----|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | 4.2 | Tenant shall obtain an      estimate of the cost of Tenant Improvements as shown on the Preliminary      Plans. Tenant      shall  notify Landlord of the amount      of such cost estimate plus the amount required to pay for the preparation      of architectural and engineering construction drawings for the Tenant      Improvements (the "Estimated Work Cost"). TENANT CANNOT AND DOES      NOT GUARANTY THE ACCURACY OF SUCH ESTIMATED WORK COST. If the Estimated      Work Cost is less than or equal to the Tenant's Allowance, then Tenant shall proceed in      accordance with Section 5 below. |
|--------|-----|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | 4.3 | If      the Estimated Work Cost is greater than the Tenant's Allowance, then      Tenant shall give written notice to Landlord of Tenant's acceptance or      rejection of the Estimated Work Cost within the time period set forth in      Section 2.3      above. Unless Landlord receives Tenant's written rejection within      such period, the Estimated Work Cost shall be deemed accepted by Tenant.      If within such period Landlord receives Tenant's written rejection of the      Estimated Work Cost, then within the time period set forth in Section      2.4 above, Tenant      shall meet with the Space Planner and  Contractor to revise the      Preliminary Plans. At such meetings, Tenant may, at Tenant's option, elect      to eliminate one or more items shown on the Preliminary Plans so as to      reduce the Estimated Work Cost. All costs of Tenant-initiated changes      requiring revisions, including engineering, estimating, coordination,      layout and printing of drawings, specification changes and any other      incidental expenses, shall be included in the cost of the Tenant      Improvements. Following such revisions, Tenant shall submit a      new Estimated Work Cost to Landlord, and the same      procedure will be followed as set forth above until Tenant has accepted a      proposal. Any time consumed in revising plans or in revising the Estimated      Work Cost shall be considered a Tenant Delay (as defined in Section 6.2      hereto and shall not delay the Commencement Date of the Lease. If Tenant      does not so elect to revise the Preliminary Plans, or if Tenant does so      elect but the Estimated Work Cost after accounting for the revisions is      still greater than the Tenant's Allowance, or if Tenant otherwise approves      or is deemed to have approved of the Estimated Work Cost, then Tenant      shall forthwith deposit with Landlord an amount (the "Construction      Deposit") equal to the difference between the Tenant's Allowance and the      Estimated Work Cost (as the same may have been revised), whereupon Tenant shall proceed in      accordance with Section 5 below.  Tenant shall have no      obligation to increase the Construction Deposit for      increases less than five percent (5%) Estimated Work Cost. |
|--------|-----|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | 4.4 | The      Tenant's Allowance shall be available only for the cost of Tenant      Improvements as described in Section 4.1 above. If the cost of Tenant      Improvements is less than the Tenant's Allowance, the difference shall be      paid to Tenant no later than thirty (30) days after completion of      “punchlist” items (described in 6.1 of the work      letter). |
|--------|-----|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | 4.5 | Tenant  will review and approve all      invoices and charges applied against the Tenant's Allowance . Any      questions or disputes concerning the charges shall be communicated in      writing to Landlord within thirty (30) days after the Commencement      Date. |
|--------|-----|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | 5. | Construction      of Tenant Improvements |
|--------|----|------------------------------------------|

|   | 5.1 | Tenant shall cause its      space planner and engineer to prepare construction drawings and      specifications for the Tenant Improvements based strictly on the      Preliminary Plans within the time period set forth in Section 2.5 above. Prior to the      commencement of construction, Tenant shall be given an opportunity to      review the construction drawings to confirm that they conform to the      Preliminary Plans. Tenant shall have the time period set forth in Section      2.6 above in      which to give written notice to Landlord of Tenant's acceptance or      rejection of the construction drawings. Unless Landlord receives Tenant's      written rejection within such period, the construction drawings shall be      deemed approved by Tenant ("Approved Plans"). Such Approved Plans shall      create no responsibility or liability on the part of Tenant or Landlord for      the completeness of such plans, their design sufficiency or compliance      with applicable statutes, ordinances or  regulations. |
|--------|-----|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | 5.2 | Within      the time period set forth in Section 2.7 above, the Contractor shall      prepare a final cost proposal based upon the Approved Plans. The final      cost proposal shall contain a complete cost breakdown by line item,      including without limitation costs of architectural and engineering fees,      plan check and permit fees and other governmental fees, sales and use      taxes and all other costs to be expended by or on behalf of Landlord in      connection with the construction and installation of the Tenant      Improvements. If the final cost proposal is less than or equal to the      Estimated Work Cost, Tenant and Landlord      shall authorize construction to commence. If the final cost proposal is      greater than the Estimated Work Cost, Tenant shall have the time period      set forth in Section 2.8 above in which to      give written notice to Landlord of Tenant's acceptance or rejection of the      final cost proposal. If Tenant rejects such cost proposal, Tenant shall      meet with Landlord, the Space Planner and  Contractor to make      revisions. All costs of Tenant-initiated changes requiring such revisions      shall be included in the cost of the Tenant Improvements. Following such      revisions, the      Contractor shall submit a new cost proposal to Tenant and Landlord, and the      same procedure will be followed as set forth above until Tenant has      accepted a proposal. Any time consumed in revising the drawings or      revising the estimated cost of construction shall be considered a Tenant      Delay and shall not delay the Commencement Date of the    Lease. |
|--------|-----|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | 5.3 | No      work shall commence until the Approved Plans are filed with the      governmental agencies having jurisdiction thereof, all required building      permits have been obtained, and the Space Planner has certified that to      the best of its knowledge, if performed in accordance with the Approved      Plans, the work will comply with all laws, codes, regulations and statutes      applicable to such work. |
|--------|-----|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | 5.4 | Tenant shall cause the      Tenant Improvements to be constructed or installed in the Premises      by  the      Contractor in accordance with the Approved  Plans. |
|--------|-----|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | 5.5 | Except as provided      below, Tenant shall have no      obligation  for defects in design, workmanship or materials, but      shall use its reasonable best efforts to enforce the Contractor's      obligations therefor and shallretain any      manufacturers warranties with respect to the  work. |
|--------|-----|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | 5.6 | Upon      substantial completion of the construction and installation of the Tenant      Improvements, Tenant shall pay to Landlord on demand the amount, if any,      by which the actual costs incurred by or on behalf of Landlord in      connection with the construction and installation of the Tenant      Improvements, including the costs of any authorized change orders as      defined below, exceeds the sum of the Tenant's Allowance and any amounts      previously delivered by Tenant to Landlord pursuant to Section 4.3      above.  Tenant      shall have no obligation to pay for costs in excess of the final cost      proposal unless Tenant has consented to such increased costs pursuant to      Section 5.7. |
|--------|-----|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | 5.7 | Any      changes to the construction work may be made only upon written request by      Tenant approved in writing by Landlord, or as may be required by any      governmental agency, or as may be required due to structural or      unanticipated field conditions. In each instance, said change must be      evidenced by a written change order describing the      change.  Tenant shall approve all      change orders materially affecting the Approved Plans or increasing the      costs of the Tenant Improvements in excess of the final cost proposal      approved by Tenant. |
|--------|-----|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | 6. | Completion      and Delays |
|--------|----|----------------------------|

|   | 6.1 | The      work to be performed by Tenant under this Work      Letter Agreement shall be deemed substantially completed on the date on      which the Premises are completed by Tenant in substantial      conformance with the Approved Plans, except for remaining work fully      described on a “punch list” to be prepared by Tenant, Landlord, andthe Contractor and      provided that the remaining work on the approved “punch list” will not      substantially adversely affect Tenant’s ability to occupy the      Premises.  Tenant and Landlord will do everything in      their power to cause the Contractor to complete punch list items within a      reasonable timeframe, which shall not exceed thirty (30) days after      substantial completion of thePremises. |
|--------|-----|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | 6.2 | If      the Tenant      Improvementsare      substantially delayed in being completed as a result of any of the      following circumstances or events ("Tenant Delays"), the Commencement Date      shall not be deferred by reason of such delay, to  wit: |
|--------|-----|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | 1. | Tenant's      failure to furnish information in accordance with Section 2      above; |
|--------|----|---------------------------------------------------------------------------------------|

|   | 2. | Tenant's      request for any special, long-lead materials or installations as part of      the Tenant Improvements that do not conform to the    Standards; |
|--------|----|--------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | 3. | Tenant's      changes in any drawings, plans or specifications, after the date of      submission of the Approved Plans; |
|--------|----|--------------------------------------------------------------------------------------------------------------------------|

|   | 4. | Any      changes initiated by Tenant by reason of Tenant's disapproval of cost      proposals or resulting in the preparation of revised cost      proposals; |
|--------|----|---------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | 6. | The      delivery, installation or completion of any Tenant-finish work performed      by Tenant's employees or agents; |
|--------|----|-------------------------------------------------------------------------------------------------------------------------|

|   | 7. | The      performance of any Additional Tenant Work, or any failure to complete or      delay in completion of such work;or |
|--------|----|----------------------------------------------------------------------------------------------------------------------------|

|   | 8. | Any      other act or omission of Tenantthat directly delays the      Tenant Improvements from beingcompleted. |
|--------|----|----------------------------------------------------------------------------------------------------------------|

|   | 6.3 | If,      for any reason, Tenant cannot complete      the Tenant Improvements by the Estimated Commencement Date, or perform any      other covenant contained in this Work Letter Agreement or in the Lease      related to the work described in this Work Letter Agreement, Landlord      shall not be in breach of this Work Letter Agreement or the Lease, and      shall not be subject to any liability therefor, nor shall such failure      affect the validity of this Lease or the obligations of Tenant hereunder,      except that in any such case (unless caused by Tenant Delays), Tenant      shall not be obligated to pay rent or perform any other obligation of      Tenant under the terms of the Lease (other than payment and performance      due in advance of occupancy as provided in the Lease or this Work Letter      Agreement), until possession of the Premises is tendered to      Tenant. |
|--------|-----|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | 7. | General |
|--------|----|---------|

|   | 7.1 | All      drawings, space plans, plans and specifications for any improvements or      installations in the Premises are  subject to Landlord's prior      written approval. Any approval by Landlord or Landlord's architects or      engineers of any of Tenant's drawings, plans or specifications which are      prepared in connection with construction of improvements in the Premises      shall not in any way bind Landlord or constitute a representation or      warranty by Landlord as to the adequacy or sufficiency of such drawings,      plans or specifications, or the improvements to which they relate, for any      use, purpose or condition, but such approval shall merely evidence the      consent of Landlord to Tenant's construction of improvements in the      Premises in accordance with such drawings, plans or      specifications. |
|--------|-----|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| 7.2   | Any      failure by Tenant to pay any amounts due hereunder shall have the same      effect under the Lease as a failure to pay rent. Any such failure, or the      failure by Tenant to perform any of its other obligations hereunder, shall      constitute an event of default under the Lease, entitling Landlord to all      of its remedies under the Lease, at law and in  equity. |
|-----------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| 7.3   | All      work, other than Landlord’s work, required by Tenant to render the      Premises suitable for Tenant’s occupancy and use shall collectively be      referred to as “Tenant’s Work”.  At its option, Tenant may elect      to use it’s own Project Manager.  Landlord shall receive no      supervision fee, overhead, profit or other fees for the administration of      such work.  In addition, Landlord shall receive no fee (or      reimbursement) for the review and approval of any of Tenant’s plans and      specifications or any other documentation fee or other such fees or      costs.  All Tenant’s work shall be completed in accordance with      all applicable laws, including environmental laws, and in compliance with      the Americans with Disabilities Act(“ADA”). |
|-----------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| 7.4   |   Tenant      and its architects, engineers, consultants and contractors (collectively,      Tenant’s “Consultants”) shall have access to the Building and the Premises      for the purpose of inspecting Landlord’s work and planning Tenant’s      work.  Tenant shall have access to the Building for the      performance of Tenant’s work.  In the event Landlord performs      Tenant’s work, prior to substantial completion, Tenant shall be allowed at      least 45 days early access to install cabling and other special Tenant      items required prior to the Commencement Date.  Landlord and      Tenant shall coordinate a mutually acceptable  schedule. |
|-----------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | 8. | Competitive      Bid |
|--------|----|----------------------|

| Tenant      may elect to put the Preliminary Plans or the Approved Plans out for      competitive bid to  contractors mutually approved by Landlord.      All responses must be received within twenty (20) days after delivery of      the Preliminary Plans or Approved Plans to  Tenant. |
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | TENANT:CONVERA      CorporationA      Delaware Corporation  |   |   | LANDLORD:ASTON      VIEWS, LLCA      California limited liability company |
|--------|------------------------------------------------------------------|--------|--------|---------------------------------------------------------------------------|
| By:    | /s/James Buchanan                                                |   | By:    | /s/Mark D. McLaren                                                        |
| Name:  | James Buchanan                                                   |   | Name:  | Mark D. McLaren                                                           |
| Title: | CFO                                                              |   | Title: | Managing Member                                                           |
|   |                                                             |   |   |                                                                      |
| By:    | /s/Martin Nowakowski                                             |   | By:    |                                                                      |
| Name:  | Martin Nowakowski                                                |   | Name:  |                                                                      |
| Title: | Mgr. Facilities &      Administration                        |   | Title: |                                                                      |

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|   |     Re: | Office      Lease dated _____________________, 19_____, between Aston Views, LLC, a      California limited liability company ("Landlord"), and      __________________________________ ("Tenant") concerning Suite __________      on floor(s) ___________ of the Office Building located at      ______________________, California  _________________. |
|--------|-----------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| In      accordance with the Office Lease (the "Lease"), we wish to advise you      and/or confirm as follows: |
|---------------------------------------------------------------------------------------------------------------|

|   | 1. | That      the Premises are Ready for Occupancy, and that the Lease Term shall      commence as of _____________ for a term of __________________ months      ending on _________________.. |
|--------|----|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | 2. | That      in accordance with the Lease, Rent commenced to accrue on      _____________________. |
|--------|----|-------------------------------------------------------------------------------------------------|

|   | 3. | If      the Lease Commencement Date is other than the first day of the month, the      first billing will contain a pro rata adjustment. Each billing thereafter,      with the exception of the final billing, shall be for the full amount of      the monthly installment as provided for in the  Lease. |
|--------|----|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | 4. | Rent      is due and payable in advance on the first day of each and every month      during the Lease Term. Your rent checks should be made payable to      ______________________________ at      ______________________________. |
|--------|----|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | 5. | The      exact number of rentable square feet within the Premises is ______________      square feet. |
|--------|----|-------------------------------------------------------------------------------------------------------|

|   | 6. | Tenant's      Share as adjusted based upon the exact number of rentable square feet      within the Premises is _______________________ percent      (____________%). |
|--------|----|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------|

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