**Exhibit 10.6**

 

Schedule of Cross-Collateralized Agreementsand Promissory Notes

 
| **Property**                               | ** ** | **Owner**                                                                            | ** ** | **Note and Cross-  Collateralization  Amount** | ** ** |
|--------------------------------------------|------------|--------------------------------------------------------------------------------------|------------|----------------------------------------------------------|------------|
| Archstone Vanoni Ranch (fee and leasehold) |       | ASN Vanoni Ranch LLC and Tishman Speyer Archstone-Smith Vanoni Ranch  Lessee, L.L.C. |       | $                                                        | 69,149,000 |   |
| Archstone Warner Center                    |       | ASN Warner Center LLC                                                                |       | 110,405,000                                              |       |
| Archstone City Place                       |       | ASN City Place LLC                                                                   |       | 48,428,000                                               |       |
| Archstone Fox Plaza                        |       | ASN Fox Plaza LLC                                                                    |       | 61,634,500                                               |       |
| Archstone Boston Common                    |       | ASN Park Essex LLC                                                                   |       | 152,926,000                                              |       |
| Archstone Redmond Campus                   |       | Tishman Speyer Archstone-Smith Redmond Campus, L.L.C.                                |       | 72,358,000                                               |       |
| Archstone Harbour Pointe                   |       | Tishman Speyer Archstone-Smith Harbour Pointe, L.L.C.                                |       | 27,625,000                                               |       |
| Archstone Northcreek                       |       | Tishman Speyer Archstone-Smith Northcreek, L.L.C.                                    |       | 62,603,000                                               |       |
| Archstone Redmond Court                    |       | Tishman Speyer Archstone-Smith Redmond Court, L.L.C.                                 |       | 23,100,000                                               |       |
| Archstone Belltown                         |       | ASN Belltown LLC                                                                     |       | 54,410,000                                               |       |
| Archstone Redmond Park                     |       | ASN Redmond Park LLC                                                                 |       | 41,063,000                                               |       |
| Archstone Thousand Oaks Crest              |       | ASN Thousand Oaks Crest LLC                                                          |       | 33,140,000                                               |       |
| The Flats at Dupont Circle                 |       | ASN Dupont Circle LLC                                                                |       | 90,066,000                                               |       |
|                                            |            |                                                                                      |            |                                                          |            |  |

 

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