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Exhibit 99.1
 Equity Office Properties Trust
1997 Non-Qualified Employee Share Purchase Plan
 Financial Statements
As of December 31, 2005 and 2004 and for each of the three years in the period
ended December 31, 2005
 Contents
 PageReport of Independent Registered Public Accounting Firm
    
    2Financial Statements and Notes
    
    3
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Report of Independent Registered Public Accounting Firm
 
    Chicago, IllinoisFebruary 9, 2006
    
    /s/ Ernst & Young, LLP
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Equity Office Properties Trust
1997 Non-Qualified Employee Share Purchase Plan
Statements of Financial Condition
 December 31,2005
    
    2004ASSETS:Receivable from Equity Office Properties Trust
for participant contributions
    
    $
    225,600
    
    
    $
    224,000Total Plan assets
    
    $
    225,600
    
    
    $
    224,000EQUITY:Participant contributions
    
    $
    225,600
    
    
    $
    224,000Total Plan equity
    
    $
    225,600
    
    
    $
    224,000
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Equity Office Properties Trust
1997 Non-Qualified Employee Share Purchase Plan
Statements of Income and Changes in Plan Equity
 For the year ended December 31,2005
    
    2004
    
    2003Plan equity at beginning of year
    
    $
    224,000
    
    
    $
    152,900
    
    
    $
    144,000Additions:Participant contributions, net of refunds
    
    
    2,246,600
    
    
    
    2,013,600
    
    
    
    2,108,600Plan Sponsor contributions
    
    
    485,900
    
    
    
    403,800
    
    
    
    475,900Total additions
    
    
    2,732,500
    
    
    
    2,417,400
    
    
    
    2,584,500Deductions:Purchase of and distributions to
Participants of Common Shares
    
    
    (2,730,900
    )
    
    
    (2,346,300
    )
    
    
    (2,575,600
    )Total deductions
    
    
    (2,730,900
    )
    
    
    (2,346,300
    )
    
    
    (2,575,600
    )Plan equity at end of year
    
    $
    225,600
    
    
    $
    224,000
    
    
    $
    152,900
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Equity Office Properties Trust
1997 Non-Qualified Employee Share Purchase Plan
Notes to Financial Statements
 NOTE 1  DESCRIPTION OF PLAN
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NOTE 2  SUMMARY OF ACCOUNTING POLICIES
 Accounting Method
 Expenses
 Use of Estimates
 NOTE 3  DISTRIBUTIONS
  Participant
    
    
    
    
    
    
    
    
    
    Market Value of Common
    
    Common SharesContributions,
    
    Employer
    
    
    
    
    
    Shares Purchased and
    
    Purchased andPurchase Period
    
    net of Refunds
    
    Contributions
    
    Total
    
    Distributed per share
    
    DistributedFiscal year end 2005:1/1/05 to 2/28/05
    
    $
    287,900
    
    
    $
    108,100
    
    
    $
    396,000
    
    
    $
    29.87
    
    
    
    20,7593/1/05 to 5/31/05
    
    
    806,400
    
    
    
    199,600
    
    
    
    1,006,000
    
    
    
    33.01
    
    
    
    30,4776/1/05 to 8/31/05
    
    
    474,500
    
    
    
    85,600
    
    
    
    560,100
    
    
    
    33.42
    
    
    
    16,7619/1/05 to 11/30/05
    
    
    452,200
    
    
    
    92,600
    
    
    
    544,800
    
    
    
    31.93
    
    
    
    17,06412/1/05 to 12/31/05 (1)
    
    
    225,600
    
    
    
    
    
    
    
    225,600
    
    
    
    
    
    
    
    Total
    
    $
    2,246,600
    
    
    $
    485,900
    
    
    $
    2,732,500
    
    
    
    
    
    
    
    85,061Fiscal year end 2004:1/1/04 to 2/29/04
    
    $
    353,300
    
    
    $
    110,200
    
    
    $
    463,500
    
    
    $
    29.54
    
    
    
    20,8723/1/04 to 5/31/04
    
    
    466,100
    
    
    
    82,100
    
    
    
    548,200
    
    
    
    26.95
    
    
    
    20,3426/1/04 to 8/31/04
    
    
    495,200
    
    
    
    119,100
    
    
    
    614,300
    
    
    
    28.37
    
    
    
    21,6519/1/04 to 11/30/04
    
    
    474,900
    
    
    
    92,400
    
    
    
    567,300
    
    
    
    27.87
    
    
    
    20,35712/1/04 to 12/31/04 (1)
    
    
    224,100
    
    
    
    
    
    
    
    224,100
    
    
    
    
    
    
    
    Total
    
    $
    2,013,600
    
    
    $
    403,800
    
    
    $
    2,417,400
    
    
    
    
    
    
    
    83,222Fiscal year end 2003:1/1/03 to 5/31/03
    
    $
    1,024,400
    
    
    $
    298,100
    
    
    $
    1,322,500
    
    
    $
    27.07
    
    
    
    53,9256/1/03 to 11/30/03
    
    
    933,900
    
    
    
    177,800
    
    
    
    1,111,700
    
    
    
    27.98
    
    
    
    39,89012/1/03 to 12/31/03 (1)
    
    
    150,300
    
    
    
    
    
    
    
    150,300
    
    
    
    
    
    
    
    Total
    
    $
    2,108,600
    
    
    $
    475,900
    
    
    $
    2,584,500
    
    
    
    
    
    
    
    93,815
 (1)
    
    Because the Purchase Periods do not coincide with the Plans fiscal year, the month of
December is shown separately for each year. The month of December is included in the Purchase
Period ending in February of the following year.
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NOTE 4  FEDERAL INCOME TAXES
  7




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Consent of Independent Registered Public Accounting Firm
   
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