Exhibit 12.01

GLENBOROUGH REALTY TRUST INCORPORATED

Computation of Ratio of Earnings to Fixed Charges and Ratio of Earnings to Fixed Charges and
Preferred Dividends

For the five years ended December 31, 2004 and the three and nine months ended September 30, 2005 (in thousands)



|                                                              |  |                         |         |     |                                     |   |        |                                    |  |   |          |     |  |          |         |     |  |   |         |     |  |   |         |   |  |   |         |    
|------------------------------------------------------------- |  | ----------------------- | ------- | --- | ----------------------------------- | - | ------ | ---------------------------------- |  | - | -------- | --- |  | -------- | ------- | --- |  | - | ------- | --- |  | - | ------- | - |  | - | ------- | ---
|                                                              |  | Year Ended December 31, |         |     | Three MonthsEndedSeptember 30, 2005 |   |        | Nine MonthsEndedSeptember 30, 2005 | 
|                                                              |  | 2000 (8)                |         |     | 2001 (8)                            |   |        | 2002 (8)                           |  |   | 2003 (8) |     |  | 2004 (8) |         |     | 
|EARNINGS, AS DEFINED                                          |  |                         |         |     |                                     |   |        |                                    |  |   |          |     |  |          |         |     |  |   |         |     |  |   |         |   |  |   |         |    
|                                                              |  |                         |         |     |                                     |   |       
|Net Income(1)                                                 |  | $                       | 35,959  |     |                                     | $ | 43,343 |                                    |  | $ | 21,274   |     |  | $        | 31,069  |     |  | $ | 28,222  |     |  | $ | 28,623  |   |  | $ | 5,600   |    
|Gain on Sales of Real Estate Assets                           |  |                         | (20,482 | )   |                                     |   | (884   | )                                  |  |   | (6,704   | )   |  |          | (14,204 | )   |  |   | (14,427 | )   |  |   | (27,617 | ) |  |   | (54,246 | )  
|Minority Interest                                             |  |                         | 3,345   |     |                                     |   | 2,684  |                                    |  |   | 155      |     |  |          | 1,262   |     |  |   | 672     |     |  |   | 2,240   |   |  |   | (475    | )  
|Interest Expense(2)                                           |  |                         | 63,519  |     |                                     |   | 38,116 |                                    |  |   | 39,311   |     |  |          | 37,991  |     |  |   | 36,601  |     |  |   | 11,084  |   |  |   | 30,030  |    
|                                                              |  |                         |         |     |                                     |   |        |                                    |  |   |          |     |  |          |         |     |  |   |         |     |  |   |         |   |  |   |         |    
|                                                              |  | $                       | 82,341  |     |                                     | $ | 83,259 |                                    |  | $ | 54,036   |     |  | $        | 56,118  |     |  | $ | 51,068  |     |  | $ | 14,330  |   |  | $ | (19,091 | )  
|                                                              |  |                         |         |     |                                     |   |        |                                    |  |   |          |     |  |          |         |     |  |   |         |     |  |   |         |   |  |   |         |    
|FIXED CHARGES AND PREFERRED DIVIDENDS, AS DEFINED             |  |                         |         |     |                                     |   |        |                                    |  |   |          |     |  |          |         |     |  |   |         |     |  |   |         |   |  |   |         |    
|                                                              |  |                         |         |     |                                     |   |       
|Interest Expense(2)                                           |  | $                       | 63,519  |     |                                     | $ | 38,116 |                                    |  | $ | 39,311   |     |  | $        | 37,991  |     |  | $ | 36,601  |     |  | $ | 11,084  |   |  | $ | 30,030  |    
|Capitalized Interest                                          |  |                         | 3,777   |     |                                     |   | 4,573  |                                    |  |   | 3,939    |     |  |          | 3,119   |     |  |   | 3,572   |     |  |   | 1,192   |   |  |   | 3,387   |    
|                                                              |  |                         |         |     |                                     |   |        |                                    |  |   |          |     |  |          |         |     |  |   |         |     |  |   |         |   |  |   |         |    
|Fixed Charges                                                 |  |                         | 67,296  |     |                                     |   | 42,689 |                                    |  |   | 43,250   |     |  |          | 41,110  |     |  |   | 40,173  |     |  |   | 12,276  |   |  |   | 33,417  |    
|Preferred Dividends                                           |  |                         | 20,116  |     |                                     |   | 19,564 |                                    |  |   | 19,564   |     |  |          | 19,423  |     |  |   | 15,345  |     |  |   | 1,812   |   |  |   | 6,031   |    
|                                                              |  |                         |         |     |                                     |   |        |                                    |  |   |          |     |  |          |         |     |  |   |         |     |  |   |         |   |  |   |         |    
|Fixed Charges and Preferred Dividends                         |  | $                       | 87,412  |     |                                     | $ | 62,253 |                                    |  | $ | 62,814   |     |  | $        | 60,533  |     |  | $ | 55,518  |     |  | $ | 14,088  |   |  | $ | 39,448  |    
|                                                              |  |                         |         |     |                                     |   |        |                                    |  |   |          |     |  |          |         |     |  |   |         |     |  |   |         |   |  |   |         |    
|RATIO OF EARNINGS TO FIXED CHARGES(1)                         |  |                         | 1.22    |     |                                     |   | 1.95   |                                    |  |   | 1.25     |     |  |          | 1.37    |     |  |   | 1.27    |     |  |   | 1.17    |   |  |   |        | (7)
|                                                              |  |                         |         |     |                                     |   |        |                                    |  |   |          |     |  |          |         |     |  |   |         |     |  |   |         |   |  |   |         |    
|RATIO OF EARNINGS TO FIXED CHARGES AND PREFERRED DIVIDENDS(1) |  |                         |        | (3) |                                     |   | 1.34   |                                    |  |   |         | (4) |  |          |        | (5) |  |   |        | (6) |  |   | 1.02    |   |  |   |        | (7)
|                                                              |  |                         |         |     |                                     |   |        |                                    |  |   |          |     |  |          |         |     |  |   |         |     |  |   |         |   |  |   |         |    

---

|(1) | Includes depreciation and amortization expense as a deduction.
|--- | --------------------------------------------------------------

|(2) | Includes interest expense from discontinued operations.
|--- | -------------------------------------------------------

|(3) | For the year ended December 31, 2000, earnings were insufficient to cover fixed charges
and preferred dividends by $5,071.
|--- | --------------------------------------------------------------------------------------------------------------------------

|(4) | For the year ended December 31, 2002, earnings were insufficient to cover fixed charges
and preferred dividends by $8,778.
|--- | --------------------------------------------------------------------------------------------------------------------------

|(5) | For the year ended December 31, 2003, earnings were insufficient to cover fixed charges
and preferred dividends by $4,415.
|--- | --------------------------------------------------------------------------------------------------------------------------

|(6) | For the year ended December 31, 2004, earnings were insufficient to cover fixed charges
and preferred dividends by $4,450.
|--- | --------------------------------------------------------------------------------------------------------------------------

|(7) | For the nine months ended September 30, 2005, earnings were insufficient to cover fixed
charges by $52,508 and fixed charges and preferred dividends by $58,539.
|--- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------

|(8) | As restated, see Note 2 to the consolidated financial statements.
|--- | -----------------------------------------------------------------