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SECURITIES AND EXCHANGE COMMISSIONWASHINGTON, D.C. 20549

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FORM 10-K

|ý | ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
|- | ------------------------------------------------------------------------------------

For the fiscal year ended December 31, 2001

or

|o | TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
|- | ----------------------------------------------------------------------------------------

Commission file number 1-14307

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GREAT LAKES REIT(Exact Name of Registrant as Specified in Its Charter)

Maryland

36-4238056(State or Other Jurisdiction of
Incorporation or Organization)

(I.R.S. Employer Identification Number)


823 Commerce Drive
Suite 300
Oak Brook, Illinois 60523
(630) 368-2900(Address and telephone number of principal executive offices)

Securities registered pursuant to Section 12(b) of the Act:Common Shares of Beneficial Interest, $.01 par value

93/4%
Series A Cumulative Redeemable Preferred Shares
of Beneficial Interest, $.01 par value per share
(Liquidation Preference $25.00 per share)

Securities registered pursuant to Section 12(g) of the Act:

None

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Indicate
by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the
preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90
days. Yes ý    No o

Indicate
by check mark if disclosure of delinquent filers pursuant to Item 405 of Regulation S-K is not contained herein, and will not be contained, to the best of
registrant's knowledge, in definitive proxy or information statements incorporated by reference in Part III of this Form 10-K or any amendment to this
Form 10-K. o

As
of March 5, 2002, the aggregate market value of common shares of beneficial interest held by non-affiliates of the registrant was $221,076,472.

The
number of shares of the registrant's common shares of beneficial interest, $.01 par value, outstanding as of March 5, 2002 was 16,533,379.

Documents Incorporated by Reference:

Part III incorporates by reference portions of the Registrant's Proxy Statement (to be filed) related to the Annual Meeting of Shareholders to be held
May 23, 2002.

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GREAT LAKES REIT

Form 10-K Annual Report2001
Table of Contents

|                                                                         |                                                                                               | Page
|------------------------------------------------------------------------ | --------------------------------------------------------------------------------------------- | ----
|PART I                                                                   |                                                                                               |     
|                                                                         | Item 1. Business                                                                              |     
|                                                                         | Item 2. Properties                                                                            |     
|                                                                         | Item 3. Legal Proceedings                                                                     |     
|                                                                         | Item 4. Submission of Matters to a Vote of Security Holders                                   |     
|                                                                         | Item 4A. Executive Officers of the Registrant                                                 |     
|PART II                                                                  |                                                                                               |     
|                                                                         | Item 5. Market for Registrant's Common Equity and Related Shareholder Matters                 |     
|                                                                         | Item 6. Selected Financial Data                                                               |     
|                                                                         | Item 7. Management's Discussion and Analysis of Financial Condition and Results of Operations |     
|                                                                         | Item 7A. Market Risk                                                                          |     
|                                                                         | Item 8. Financial Statements and Supplementary Data                                           |     
|                                                                         | Item 9. Changes in and Disagreements with Accountants on Accounting and Financial Disclosure  |     
|PART III (Incorporated by Reference to the Registrant's Proxy Statement) |                                                                                               |     
|                                                                         | Item 10. Trustees and Executive Officers of the Registrant                                    |     
|                                                                         | Item 11. Executive Compensation                                                               |     
|                                                                         | Item 12. Security Ownership of Certain Beneficial Owners and Management                       |     
|                                                                         | Item 13. Certain Relationships and Related Transactions                                       |     
|PART IV                                                                  |                                                                                               |     
|                                                                         | Item 14. Exhibits, Financial Statement Schedules and Reports on Form 8-K                      |     
|Signatures                                                               |                                                                                               | 25  
|Index to Financial Statements                                            |                                                                                               | F-1 

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PART I

ITEM 1BUSINESS

General

Great Lakes REIT, a Maryland real estate investment trust that is the successor to a business that began operations in 1992 (the "Company"), is a fully
integrated, self-administered and self-managed real estate company. As of December 31, 2001, the Company owned and operated 37 properties (the "Properties") in the
Chicago, Milwaukee, Detroit, Columbus, Minneapolis, Denver and Cincinnati areas (the "Current Markets"). The Properties contain approximately 5.4 million rentable square feet leased to more
than 500 tenants with a weighted average occupancy rate of approximately 88% as of January 1, 2002. The Company has elected to be treated for federal income tax purposes as a real estate
investment trust ("REIT"). The Company conducts substantially all of its operations through Great Lakes REIT, L.P. (the "Operating Partnership"), of which the Company is the sole general partner. All
references to the "Company" in this Form 10-K include the Company and the Operating Partnership unless the context otherwise requires.

Business Strategy

The Company's primary business strategy is to acquire, own and operate well-located, under-performing suburban office properties generally located in
the Current Markets at attractive yields and to increase cash flow and property value by implementing a comprehensive operating strategy. The Company's operating strategy includes:
(i) investment in value-enhancing renovation and refurbishment programs; (ii) aggressive leasing efforts; (iii) reduction and containment of operating costs; and (iv) a
strong emphasis on tenant services and satisfaction. The Company seeks to establish itself as one of the suburban office property owner/operators of choice in the markets it serves and to maximize
tenant retention.

The
Company also intends to pursue limited new property development opportunities that are otherwise consistent with the Company's overall business strategy. In January 2002, the
Company acquired a 99,500 square foot office building in suburban Milwaukee that was completed in June 2001. The Company had contracted to acquire this property in 2000 before the start of its
construction. The Company also intends to enhance its leasing flexibility by offering build-to-suit development options to current and prospective tenants who require space
that is otherwise unavailable in a particular market. In addition, the Company will continue to pursue the redevelopment of older properties in attractive locations.

The
Company continues to evaluate acquisition opportunities in certain urban and central business areas in the Current Markets. In the event an appropriate acquisition opportunity is
identified that is consistent with the other elements of the Company's primary business strategy, the Company may acquire properties located in select urban or central business district areas.

The
Company will continue to engage in strategic dispositions of select properties. The Company typically seeks to dispose of properties when one or more of the following conditions is
present: (i) market prices are at or near replacement cost; (ii) property occupancy is high and there is limited potential to increase cash flow and property value within a reasonable
period; (iii) the Company believes that its capital can be re-deployed to investment properties with higher long-term returns; and (iv) ownership of the Property
is no longer consistent with the Company's business strategy. The Company did not sell any properties in 2001, but did sell two properties in 2000 aggregating 310,000 square feet and five properties
in 1999 aggregating 345,000 square feet resulting in net sales proceeds of $39.6 million and $22.7 million in 2000 and 1999, respectively. The Company has identified several small,
non-core assets that it expects will be sold during 2002. The Company has not entered into any definitive agreements with respect to any such disposition opportunities and there can be no
assurances

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that the Company will consummate any such dispositions. In addition, over the next several years, the Company expects to exit certain Current Markets where it does not have a significant presence.

Financing Strategy

The Company seeks to maintain a well-balanced, conservative and flexible capital structure by: (i) currently targeting a ratio of
long-term debt to total market capitalization in the range of 40% to 50%; (ii) extending and sequencing the maturity dates of its debt; (iii) focusing on borrowing at fixed
rates; (iv) pursuing debt financings and refinancings on a secured or unsecured basis; and (v) maintaining relatively conservative debt service and fixed charge coverage ratios. In
addition, as discussed under Item 7, "Management's Discussion and Analysis of Financial Condition and Results of Operations," the Company has a $150 million unsecured credit facility that is
generally used for short-term funding of acquisition of additional properties and for working capital requirements. The Company's debt to total market capitalization ratio (total market
capitalization is defined as the total market value of all outstanding Common and Preferred Shares and units of limited partnership interest in the Operating Partnership plus outstanding indebtedness)
at December 31, 2001 was 45.9%.

Competition

All of the Properties are located in competitive markets. The properties with which the Company competes for tenants are generally owned by institutional
investors, other REITs or local real estate operators, however, no single competitor or small group of competitors is dominant in any of the Current Markets. In addition, the Company may be competing
with other owners and operators that have greater financial resources and more experience than the Company. An increase in the supply and a decrease in the demand for rental properties with
characteristics similar to those of the Properties may adversely affect rental rates or the Company's ability to lease space at the Properties or any newly acquired properties. During 2001, vacancy
rates in the Current Markets trended upward due to both increases in the supply and decreases in demand for office space within the Current Markets. The Company currently expects that such vacancy
rate increases will affect the ability of all property owners within the Current Markets, including the Company, to increase rental revenues until such time as vacancy rates begin to trend downward.

Insurance

The Company carries comprehensive liability, casualty, pollution, extended coverage and rental loss insurance covering all of the Properties, with policy
specifications and insured limits that the Company believes are adequate and appropriate under the circumstances. There is, in 2002, no exclusion in the Company's casualty insurance policy for damage
caused by acts of terrorism. There are, however, certain types of losses that are not generally insured because they are either uninsurable or not economically feasible to insure. Should an uninsured
loss or a loss in excess of insured limits occur, the Company could lose its capital invested in any of the Properties, as well as the anticipated future revenues from such Property and, in the case
of recourse debt, the Company would remain obligated for any mortgage debt or other financial obligations related to such Property. Any such loss would adversely affect the Company. Moreover, as the
general partner of the Operating Partnership, the Company will generally be liable for any of the Operating Partnership's unsatisfied obligations other than non-recourse obligations. The
Company believes that the Properties are adequately insured; however, no assurance can be given that material losses in excess of insurance proceeds will not occur in the future.

Environmental Regulations

Under various federal, state and local environmental laws, ordinances and regulations, a current or previous owner or operator of real estate may be required to
investigate and clean up hazardous or

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toxic substances or petroleum product releases at such property and may be held liable to a governmental entity or to third parties for property damage and for investigation and clean-up
costs incurred by such parties in connection with the contamination. Such laws typically impose clean-up
responsibility and liability without regard to whether the owner knew of or caused the presence of the contaminants, and the liability under such laws has been interpreted to be joint and several
unless the harm is divisible and there is a reasonable basis for allocation of responsibility. The costs of investigation, remediation or removal of such substances may be substantial, and the
presence of such substances, or the failure to properly remediate the contamination on such property, may adversely affect the owner's ability to sell or rent such property or to borrow using such
property as collateral. Persons who arrange for the disposal or treatment of hazardous or toxic substances at a disposal or treatment facility also may be liable for the costs of removal or
remediation of a release of hazardous or toxic substances at such disposal or treatment facility, whether or not such facility is owned or operated by such person. In addition, some environmental laws
create a lien on the contaminated site in favor of the government for damages and costs incurred in connection with the contamination. Finally, the owner of a site may be subject to common law claims
by third parties based on damages and costs resulting from environmental contamination emanating from such site. Some or all of these costs may not be covered by pollution insurance.

During
the last six years, independent environmental consultants have conducted or updated Phase I Environmental Assessments ("Phase I Assessments") at each of the Properties. In
addition, a limited-scope Phase II Assessment ("Phase II Assessment") has been conducted at the University Office Plaza property (the Phase I Assessments and the Phase II Assessment are collectively
referred to as the "Environmental Assessments"). The Phase I Assessments have included, among other things, a visual inspection of the Properties and the surrounding area and a review of relevant
state, federal and historical documents. Except for the Phase II Assessment and certain limited sampling in connection with underground tank and/or piping removals at the Arlington Ridge Service
Center and One Park Plaza properties, no invasive techniques such as soil or groundwater sampling were performed at any of the Properties. The Company's Environmental Assessments of the Properties
have not revealed any condition giving rise to an environmental liability that the Company believes would have a material adverse effect on the Company's business, assets or results of operations,
taken as a whole, nor is the Company otherwise aware of any such condition. There can be no assurance, however, that the Company's Environmental Assessments would reveal all conditions giving rise to
environmental liabilities. Moreover, there can be no assurance that (i) future laws, ordinances or regulations will not impose any material environmental liability or (ii) the current
environmental condition of the Properties will not be affected by tenants, by the condition of land or operations in the vicinity of the Properties (such as the presence of underground storage tanks),
or by third parties unrelated to the Company.

Other Matters

The Company's operations are not dependent on a single or few customers; no single customer accounts for more than 5% of the Company's total revenue. The
Company's operations are not subject to significant seasonal fluctuations. As of December 31, 2001, the Company employed 99 persons, none of whom is represented by a collective bargaining unit.

For
additional information about the Company's investments and operations, see Item 7, "Management's Discussion and Analysis of Financial Condition and Results of Operations," and Item
8, "Financial Statements and Supplementary Data." For additional information about the Company's business segments, see Item 8, "Financial Statements and Supplementary Data."

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ITEM 2PROPERTIES

General

As of December 31, 2001, the Company owned 37 properties containing approximately 5.4 million square feet. The Properties consist primarily of
Class A and Class B suburban office properties, which range in size from approximately 36,000 to 375,000 rentable square feet. The Properties consist of 31 suburban office properties,
two central business district office buildings, and 4 office/service centers (generally single-story buildings with both finished office and unfinished storage area). The 37 Properties are located
primarily in the suburban areas of Chicago (16), Milwaukee (7), Detroit (6), Columbus (4), Minneapolis (2), Denver (1) and Cincinnati (1). Many of the Properties offer amenities, including
indoor and outdoor parking, loading dock facilities, on-site property management, in-house conference facilities and providers of food and beverage service.

Management
believes that the location and quality of construction of the Properties, as well as the Company's reputation for providing superior tenant service, enable the Company to
attract and retain a diverse tenant base. As of December 31, 2001, the Properties were leased to more than 500 tenants, no single tenant accounted for more than 3.2% of the aggregate annualized
base rent of the Company's portfolio and only 17 tenants individually represented more than 1% of such aggregate annualized base rent.

The
following sets forth information regarding the Company's leases with its largest tenants based upon annualized base rent as of January 1, 2002:

|                                           |  | Number
of
Leases |  | Remaining
Lease
Term in
Months(1) |  | Annualized
Gross Rents
(000s) |        | Percentage of
Aggregate
Portfolio
Annualized
Gross Rent |       | Aggregate
Rentable
Square
Feet |           | Percentage of
Aggregate
Leased
Square Feet |      
|------------------------------------------ |  | ---------------- |  | --------------------------------- |  | ----------------------------- | ------ | ------------------------------------------------------- | ----- | ------------------------------ | --------- | ------------------------------------------ | -----
|BNY Clearing Services, LLC                 |  | 1                |  | 20                                |  | $                             | 3,163  |                                                         | 3.19  | %                              | 99,163    |                                            | 2.07 
|ABN AMRO Mortgage Group, Inc.              |  | 1                |  | 30                                |  |                               | 2,297  |                                                         | 2.32  | %                              | 121,022   |                                            | 2.52 
|Metropolitan Life Insurance Company        |  | 3                |  | 12                                |  |                               | 2,053  |                                                         | 2.07  | %                              | 91,794    |                                            | 1.91 
|The Medstat Group                          |  | 1                |  | 83                                |  |                               | 1,968  |                                                         | 1.99  | %                              | 116,007   |                                            | 2.42 
|Ameritech Mobile Communications, Inc.      |  | 3                |  | 3                                 |  |                               | 1,838  |                                                         | 1.85  | %                              | 90,982    |                                            | 1.90 
|Community Insurance Company                |  | 1                |  | 23                                |  |                               | 1,618  |                                                         | 1.63  | %                              | 77,206    |                                            | 1.61 
|Ernst & Young, LLP                         |  | 1                |  | 23                                |  |                               | 1,580  |                                                         | 1.59  | %                              | 58,859    |                                            | 1.23 
|United HealthCare Services                 |  |                  |  |                                   |  |                               |        |                                                         |       |                                |           |                                            |      
|of Minnesota, Inc.                         |  | 1                |  | 50                                |  |                               | 1,544  |                                                         | 1.56  | %                              | 90,052    |                                            | 1.88 
|Legion Insurance Company                   |  | 1                |  | 50                                |  |                               | 1,462  |                                                         | 1.48  | %                              | 58,642    |                                            | 1.22 
|CH2M Hill, Inc.                            |  | 1                |  | 10                                |  |                               | 1,447  |                                                         | 1.46  | %                              | 65,428    |                                            | 1.36 
|Merrill Lynch, Pierce, Fenner &
Smith Inc. |  | 3                |  | 58                                |  |                               | 1,231  |                                                         | 1.24  | %                              | 59,742    |                                            | 1.24 
|General Services Administration            |  | 2                |  | 9                                 |  |                               | 1,215  |                                                         | 1.23  | %                              | 55,995    |                                            | 1.17 
|AT&T Corporation                           |  | 2                |  | 12                                |  |                               | 1,190  |                                                         | 1.20  | %                              | 61,428    |                                            | 1.28 
|PrairieComm Inc.                           |  | 1                |  | 48                                |  |                               | 1,075  |                                                         | 1.09  | %                              | 39,864    |                                            | 0.83 
|American Express                           |  | 2                |  | 22                                |  |                               | 1,013  |                                                         | 1.02  | %                              | 40,590    |                                            | 0.85 
|Jones Cyber Solutions                      |  | 1                |  | 49                                |  |                               | 1,012  |                                                         | 1.02  | %                              | 43,105    |                                            | 0.90 
|Motorola, Inc.                             |  | 2                |  | 18                                |  |                               | 987    |                                                         | 1.00  | %                              | 35,525    |                                            | 0.74 
|                                           |  |                  |  |                                   |  |                               |        |                                                         |       |                                |           |                                            |      
|Total/Weighted Average                     |  | 24               |  | 32                                |  | $                             | 26,693 |                                                         | 26.94 | %                              | 1,205,404 |                                            | 25.13

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The
following table sets forth certain of the information as of January 1, 2002 regarding the Properties.

|Property location                                         |  | Property
Type                      |  | Ownership
Interest |  | Company
Ownership
% |   | Year Built |  | Date Acquired |  | Land Area in Acres |  | Square
footage |  | Occupancy
1/1/02 |   | Encumbrance
(000's omitted) |       
|--------------------------------------------------------- |  | ---------------------------------- |  | ------------------ |  | ------------------- | - | ---------- |  | ------------- |  | ------------------ |  | -------------- |  | ---------------- | - | --------------------------- | ------
|SUBURBAN CHICAGO                                          |  |                                    |  |                    |  |                     |   |            |  |               |  |                    |  |                |  |                  |   |                             |       
|1900 East Golf Rd.
Schaumburg, IL                         |  | Multi-story Office                 |  | Fee                |  | 100                 | % | 1980       |  | Dec-96        |  | 12.9               |  | 266,910        |  | 97.9             | % |                             |      
|1600 Golf Rd.
Rolling Meadows, IL                         |  | Multi-story Office                 |  | Fee                |  | 100                 | % | 1986       |  | Mar-01        |  | 6.0                |  | 252,476        |  | 85.7             | % | $                           | 16,750
|1750 East Golf Rd.
Schaumburg, IL                         |  | Multi-story Office                 |  | Fee                |  | 100                 | % | 1985       |  | Sep-97        |  | 7.7                |  | 212,212        |  | 100.0            | % |                             |      
|3000 Lakeside Dr.
Bannockburn, IL                         |  | Multi-story Office                 |  | Fee                |  | 100                 | % | 1997       |  | Aug-01        |  | 15.1               |  | 202,218        |  | 81.5             | % |                             |      
|1011 East Touhy Ave.
Des Plaines, IL                      |  | Multi-story Office                 |  | Fee                |  | 100                 | % | 1978       |  | Dec-93        |  | 5.3                |  | 153,777        |  | 87.9             | % |                             |       
|3030 Warrenville Rd.
Lisle, IL                            |  | Multi-story Office                 |  | Fee                |  | 100                 | % | 1988       |  | Sep-98        |  | 15.8               |  | 149,494        |  | 87.8             | % |                             |      
|1920 & 1930 Thoreau Dr.
Schaumburg, IL                    |  | Single-story Office                |  | Fee                |  | 100                 | % | 1986       |  | Aug-00        |  | 8.7                |  | 109,647        |  | 81.6             | % | $                           | 6,250 
|1660 Feehanville Dr.
Mount Prospect, IL                   |  | Multi-story Office                 |  | Fee                |  | 100                 | % | 1989       |  | Aug-95        |  | 7.3                |  | 85,487         |  | 100.0            | % |                             |      
|175 E. Hawthorn Pkwy.
Vernon Hills, IL                    |  | Multi-story Office                 |  | Fee                |  | 100                 | % | 1987       |  | Sep-94        |  | 4.6                |  | 84,555         |  | 84.6             | % |                             |       
|3400 Dundee Rd.
Northbrook, IL                            |  | Multi-story Office                 |  | Fee                |  | 100                 | % | 1986       |  | Oct-93        |  | 2.6                |  | 75,897         |  | 90.9             | % |                             |       
|191 Waukegan Rd.
Northfield, IL                           |  | Multi-story Office                 |  | Fee                |  | 100                 | % | 1983       |  | Sep-98        |  | 3.5                |  | 62,081         |  | 68.9             | % |                             |      
|823 Commerce Dr.
Oak Brook, IL                            |  | Multi-story Office                 |  | Fee                |  | 100                 | % | 1969       |  | Nov-95        |  | 2.6                |  | 45,098         |  | 86.5             | % |                             |      
|Two Marriott Dr.
Lincolnshire, IL                         |  | Single story Office                |  | Fee                |  | 100                 | % | 1985       |  | Jul-96        |  | 3.4                |  | 41,500         |  | 100.0            | % |                             |       
|160-185 Hansen Ct.
Wood Dale, IL                          |  | Single story Office/Office service |  | Fee                |  | 100                 | % | 1986       |  | Jan-94        |  | 10.6               |  | 113,941        |  | 70.0             | % |                             |      
|3455, 3550,
3555 Salt Creek Ln.
Arlington Heights, IL     |  | Single story Office/Office service |  | Fee                |  | 100                 | % | 1984       |  | Oct-97        |  | 8.7                |  | 98,382         |  | 62.0             | % |                             |      
|601 Campus Dr.
Arlington Heights, IL                      |  | Single story Office/Office service |  | Fee                |  | 100                 | % | 1987       |  | May-93        |  | 6.0                |  | 96,219         |  | 79.0             | % |                             |       
|SUBURBAN MILWAUKEE                                        |  |                                    |  |                    |  |                     |   |            |  |               |  |                    |  |                |  |                  |   |                             |       
|111 East Kilbourn Ave.
Milwaukee, WI                      |  | Multi-story Office                 |  | Fee                |  | 100                 | % | 1988       |  | Apr-98        |  | 0.6                |  | 373,429        |  | 97.3             | % | $                           | 32,897
|11270 W. Park Place
Milwaukee, WI                         |  | Multi-story Office                 |  | Fee                |  | 100                 | % | 1984       |  | Sep-95        |  | 7.9                |  | 198,304        |  | 51.1             | % |                             |       
|2514 S. 102nd St. &
10150 W. National Ave.
West Allis, WI |  | Multi-story Office                 |  | Fee                |  | 100                 | % | 1987       |  | Nov-96        |  | 6.8                |  | 120,937        |  | 85.7             | % |                             |       
|150, 175, 250 Patrick Blvd.
Brookfield, WI                |  | Single story Office/Office service |  | Fee                |  | 100                 | % | 1987       |  | Jun-94        |  | 12.0               |  | 116,299        |  | 69.5             | % | $                           | 2,857 
|N17W24222 Riverwood Dr.
Pewaukee, WI                      |  | Multi-story Office                 |  | Fee                |  | 100                 | % | 1999       |  | Dec-99        |  | 8.8                |  | 96,956         |  | 94.9             | % |                             |      
|375 Bishop's Way
Brookfield, WI                           |  | Multi-story Office                 |  | Fee                |  | 100                 | % | 1987       |  | Apr-97        |  | 4.1                |  | 53,747         |  | 87.9             | % |                             |      
|11925 W. Lake Park Dr.
Milwaukee, WI                      |  | Single story Office                |  | Fee                |  | 100                 | % | 1989       |  | Jun-93        |  | 3.4                |  | 36,037         |  | 79.3             | % |                             |       

7

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|SUBURBAN
MINNEAPOLIS/
ST. PAUL                |  |                                    |  |     |  |     |   |            |  |                |  |      |     |           |  |       |   |   |        |    
|--------------------------------------------- |  | ---------------------------------- |  | --- |  | --- | - | ---------- |  | -------------- |  | ---- | --- | --------- |  | ----- | - | - | ------ | ---
|2550 University Ave. W
St. Paul, MN           |  | Multi-story Office                 |  | Fee |  | 100 | % | 1916       |  | Dec-96/
Jul-98 |  | 4.4  |     | 322,422   |  | 95.7  | % |   |       |    
|2221 University Ave. SE
Minneapolis, MN       |  | Multi-story Office                 |  | Fee |  | 100 | % | 1979       |  | May-95         |  | 2.8  |     | 97,388    |  | 68.3  | % | $ | 3,960  |    
|SUBURBAN DETROIT                              |  |                                    |  |     |  |     |   |            |  |                |  |      |     |           |  |       |   |   |        |    
|777 East Eisenhower Pkwy.
Ann Arbor, MI       |  | Multi-story Office                 |  | Fee |  | 100 | % | 1975       |  | Dec-97         |  | 23.6 |     | 280,585   |  | 99.0  | % |   |       |    
|32255 Northwestern Hwy.
Farmington Hills, MI  |  | Multi-story Office                 |  | Fee |  | 100 | % | 1986       |  | Dec-97         |  | 12.9 |     | 230,345   |  | 96.7  | % | $ | 11,308 |    
|305, 315 &
325 Eisenhower Pkwy.
Ann Arbor, MI |  | Multi-story Office                 |  | Fee |  | 100 | % | 1983- 1989 |  | May-99         |  | 17.9 |     | 179,451   |  | 84.6  | % |   |       |    
|1301 W. Long Lake Rd.
Troy, MI                |  | Multi-story Office                 |  | Fee |  | 100 | % | 1988       |  | Nov-96         |  | 11.5 |     | 170,457   |  | 90.2  | % |   |        | (1)
|No. 40 Oak Hollow
Southfield, MI              |  | Multi-story Office                 |  | Fee |  | 100 | % | 1989       |  | Dec-96         |  | 5.7  |     | 81,088    |  | 100.0 | % |   |        | (1)
|24800 Denso Dr.
Southfield, MI                |  | Multi-story Office                 |  | Fee |  | 100 | % | 1987       |  | Aug-95         |  | 10.5 |     | 79,550    |  | 92.5  | % |   |        | (1)
|SUBURBAN COLUMBUS                             |  |                                    |  |     |  |     |   |            |  |                |  |      |     |           |  |       |   |  
|655 Metro Place
South Dublin, OH              |  | Multi-story Office                 |  | Fee |  | 100 | % | 1986       |  | Sep-97         |  | 15.0 |     | 215,676   |  | 90.0  | % |   |       |    
|175 South Third St.
Columbus, OH              |  | Multi-story Office                 |  | (2) |  | 100 | % | 1981       |  | Jan-98         |  | 0.5  | (2) | 197,409   |  | 94.3  | % |   |       |    
|425 Metro Place
North Dublin, OH              |  | Multi-story Office                 |  | Fee |  | 100 | % | 1982       |  | Sep-97         |  | 6.3  |     | 101,592   |  | 81.4  | % |   |       |    
|4860-5000 Blazer
Memorial Pkwy.
Dublin, OH    |  | Single story Office/Office service |  | Fee |  | 100 | % | 1986       |  | Sep-96         |  | 13.7 |     | 124,929   |  | 86.9  | % |   |       |    
|SUBURBAN CINCINNATI                           |  |                                    |  |     |  |     |   |            |  |                |  |      |     |           |  |       |   |   |        |    
|30 Merchant St.
Springdale, OH                |  | Multi-story Office                 |  | Fee |  | 100 | % | 1988       |  | Apr-96         |  | 5.9  |     | 95,910    |  | 100.0 | % |   |       |    
|SUBURBAN DENVER                               |  |                                    |  |     |  |     |   |            |  |                |  |      |     |           |  |       |   |   |        |    
|116 Inverness Dr.
East Englewood, CO          |  | Multi-story Office                 |  | Fee |  | 100 | % | 1984       |  | May-98         |  | 7.4  |     | 205,716   |  | 100.0 | % | $ | 11,660 |    
|                                              |  |                                    |  |     |  |     |   |            |  |                |  |      |     |           |  |       |   |   |        |    
|Totals                                        |  |                                    |  |     |  |     |   |            |  |                |  |      |     | 5,428,121 |  | 88.4  | % |   |        |    
|                                              |  |                                    |  |     |  |     |   |            |  |                |  |      |     |           |  |       |   |   |        |    

---

Footnotes: (dollars in thousands)

8

---

Leases

The Company's leases are structured for terms that range from one to ten years. These leases are a mixture of net leases (where tenants pay their pro rata share
of real estate tax and operating expenses), and gross leases (under which tenants typically pay for all real estate tax and operating expenses above those for an established base year or agreed
expense floor). Leases on a significant portion of the rentable square feet in the Company's portfolio are net leases that were in existence upon the Company's acquisition of the Properties. However,
whether structured as net leases or gross leases, virtually all leases entered into by the Company require tenants to reimburse the Company for the tenant's pro-rata share of real estate
tax and operating expense increases. The Company is generally responsible for structural repairs.

Leases
often contain provisions permitting tenants to renew at prevailing market rates. Certain leases contain provisions, which permit the tenant to terminate its lease upon written
notice to the Company, subject to the tenant's obligation to pay a termination penalty. Such termination penalties are generally negotiated with a tenant when a lease is executed and are usually
calculated to compensate the Company for unamortized tenant improvements and leasing commissions at the termination date, and, in certain instances, for rent on the space for a period of months after
the termination date.

Lease
Distributions. The following table sets forth information relating to the distribution of the Company's leases based on rentable square feet under lease, as of January 1,
2002.

|Square Feet
Under Lease |  | Percentage
Of Aggregate
Portfolio Leased
Square Feet |   | Annualized
Base Rent
(000's omitted) |        | Percentage
Of Aggregate
Portfolio Annualized
Base Rent |      
|----------------------- |  | ---------------------------------------------------- | - | ------------------------------------ | ------ | ------------------------------------------------------ | -----
|2,500 or Less           |  | 6.1                                                  | % | $                                    | 5,055  |                                                        | 6.3  
|2,5015,000             |  | 11.4                                                 | % |                                      | 9,580  |                                                        | 11.9 
|5,0017,500             |  | 9.1                                                  | % |                                      | 7,105  |                                                        | 8.8  
|7,50110,000            |  | 5.6                                                  | % |                                      | 3,994  |                                                        | 5.0  
|10,00120,000           |  | 19.0                                                 | % |                                      | 15,110 |                                                        | 18.8 
|20,00140,000           |  | 21.9                                                 | % |                                      | 15,839 |                                                        | 19.7 
|40,001 +                |  | 26.9                                                 | % |                                      | 23,693 |                                                        | 29.5 
|Totals                  |  | 100.0                                                | % | $                                    | 80,376 |                                                        | 100.0

9

---

Lease
ExpirationsPortfolio Total. The following table sets forth a summary schedule of the lease expirations for leases on the Properties in place as of January 1,
2002, assuming that none of the tenants exercises renewal options or termination rights, if any, at or prior to the scheduled expirations.

|Year of Lease Expiration |  | Square
Footage
of Expiring
Leases |  | Percentage of
Total Leased Square Footage |   | Annualized Base
Rent of
Expiring Leases
(000's omitted)
At Expiration |        | Percentage of
Total Annualized Base Rent |      
|------------------------ |  | --------------------------------- |  | ----------------------------------------- | - | --------------------------------------------------------------------- | ------ | ---------------------------------------- | -----
|2002                     |  | 936,006                           |  | 19.9                                      | % | $                                                                     | 16,615 |                                          | 20.7 
|2003                     |  | 1,089,828                         |  | 23.1                                      | % |                                                                       | 20,397 |                                          | 25.4 
|2004                     |  | 783,910                           |  | 16.6                                      | % |                                                                       | 12,667 |                                          | 15.7 
|2005                     |  | 554,853                           |  | 11.8                                      | % |                                                                       | 8,804  |                                          | 10.9 
|2006                     |  | 542,369                           |  | 11.5                                      | % |                                                                       | 9,715  |                                          | 12.1 
|2007                     |  | 306,003                           |  | 6.5                                       | % |                                                                       | 3,794  |                                          | 4.7  
|2008                     |  | 241,225                           |  | 5.1                                       | % |                                                                       | 3,869  |                                          | 4.8  
|2009                     |  | 97,498                            |  | 2.1                                       | % |                                                                       | 1,654  |                                          | 2.1  
|2010                     |  | 140,576                           |  | 3.0                                       | % |                                                                       | 2,456  |                                          | 3.1  
|2011                     |  | 18,579                            |  | 0.4                                       | % |                                                                       | 405    |                                          | 0.5  
|Totals                   |  | 4,710,847                         |  | 100.0                                     | % | $                                                                     | 80,376 |                                          | 100.0

The
following table combines certain historical information regarding tenants at the Properties who renewed an existing lease at or prior to the expiration of the existing lease:

|                                                         |  | 1997    |   | 1998    |   | 1999    |   | 2000    |   | 2001    |  
|-------------------------------------------------------- |  | ------- | - | ------- | - | ------- | - | ------- | - | ------- | -
|Aggregate rentable square footage of expiring
leases (1) |  | 347,150 |   | 703,759 |   | 611,274 |   | 836,284 |   | 864,843 |  
|Aggregate rentable square footage of lease
renewals      |  | 175,247 |   | 410,752 |   | 422,940 |   | 492,569 |   | 485,177 |  
|Percentage of expiring rentable square footage renewed   |  | 50      | % | 58      | % | 69      | % | 59      | % | 56      | %

---

ITEM 3LEGAL PROCEEDINGS

As of December 31, 2001, the Company was not a party to any material legal proceedings.

ITEM 4SUBMISSION OF MATTERS TO A VOTE OF SECURITY HOLDERS

No matters were submitted to a vote of shareholders during the fourth quarter of the fiscal year ended December 31, 2001.

10

---

ITEM 4AEXECUTIVE OFFICERS OF THE REGISTRANT

The Company's executive officers are elected annually and, subject to the terms of any applicable employment agreements, serve at the pleasure of the Company's
Board of Trustees. The following table sets forth certain information with respect to the executive officers of the Company:

|Name              |  | Age |  | Present Position and Offices With the Company                
|----------------- |  | --- |  | -------------------------------------------------------------
|Richard A. May    |  | 57  |  | Chief Executive Officer and Chairman of the Board of Trustees
|Patrick R. Hunt   |  | 48  |  | President, Chief Operating Officer and Trustee               
|Richard L. Rasley |  | 45  |  | Executive Vice President, Secretary, Co-General Counsel      
|James Hicks       |  | 46  |  | Chief Financial Officer and Treasurer                        
|Raymond M. Braun  |  | 42  |  | Chief Investment Officer                                     
|Kim S. Mills      |  | 53  |  | Senior Vice PresidentLeasing                                
|Edith M. Scurto   |  | 36  |  | Senior Vice PresidentProperty Management                    

Richard A. May.Mr. May co-founded the Company in 1992 and has served as principal executive officer and
as Chairman of the Board of Trustees of the Company since its inception. Mr. May is currently the Chairman of the Board and Chief Executive Officer of the Company. In 1986, Mr. May
co-founded Equity Partners Ltd. ("the Advisor") and, from 1987 until April 1, 1996, Mr. May was an officer and shareholder of the Advisor. Mr. May is a licensed
real estate broker in the States of Illinois and Indiana and holds several inactive National Association of Securities Dealers, Inc. ("NASD") licenses. He is also a member of National
Association of Real Estate Investment Trusts ("NAREIT"). Mr. May received his Bachelor's Degree in mechanical engineering from the University of Illinois and his M.B.A. degree from The
University of Chicago.

Patrick R. Hunt.Mr. Hunt, President, Chief Operating Officer and Trustee, joined the Company in August 1997
and has general supervisory responsibility for the Company's operating activities. From 1983 until August 1997, Mr. Hunt was employed by Jones Lang LaSalle (formerly LaSalle Partners), a
Chicago-based provider of international real estate services. At Jones Lang LaSalle, Mr. Hunt most recently served as a managing director of portfolio management and client servicing of Jones
Lang LaSalle's commingled fund investments. Prior to that, he served as Administrative Head of Jones Lang LaSalle's Los Angeles corporate office. From 1975 to 1983, Mr. Hunt was employed by
Harris Trust and Savings Bank in Chicago, where he served as a Vice President in the Corporate Banking Department. Mr. Hunt is a member of the Pension Real Estate Association and NAREIT. He
received his Bachelor's Degree from Northwestern University and his M.B.A. degree from The University of Chicago.

Richard L. Rasley.Mr. Rasley co-founded the Company in 1992 and has served as an officer of the Company
since its inception. Mr. Rasley is currently the Executive Vice President, Co-General Counsel and Secretary of the Company and has general supervisory responsibility for
administrative and legal matters. From 1987 until April l, 1996, Mr. Rasley was an officer and shareholder of the Advisor. Mr. Rasley is a Certified Public Accountant, holds several
inactive NASD licenses, and is a member of the Illinois Bar and NAREIT. Mr. Rasley received his Bachelor's Degree from the University of Iowa and his M.B.A. and J.D. degrees from the University
of Illinois.

James Hicks.Mr. Hicks, Chief Financial Officer and Treasurer of the Company, joined the Advisor in 1994 and currently
has general supervisory responsibility for the finance and accounting activities of the Company. From 1989 to 1993, Mr. Hicks was employed by JMB Institutional Realty Corporation, which was a
real estate adviser to pension funds and other institutional investors, as a vice president of portfolio management with responsibility for overall asset management of a portfolio of international and
domestic commercial real estate properties. He received his Bachelor's Degree in Accounting and Mathematics from Augustana College and his M.B.A. degree from Northwestern

11

---

University. Mr. Hicks is a Certified Public Accountant and is a member of the Illinois CPA Society and American Institute of Certified Public Accountants.

Raymond M. Braun.Mr. Braun, Chief Investment Officer, joined the Advisor in May 1990 and currently has primary
responsibility for all of the Company's real estate acquisition activities. Prior to joining the Advisor, Mr. Braun was employed from 1986 to 1990 by The Balcor Company, a major real estate
investment company involved in all aspects of real estate including development, management, syndication and mortgage lending. Mr. Braun received his Bachelor's Degree from the University of
Illinois. Mr. Braun is a member of the National Association of Industrial and Office Park Realtors.

Kim S. Mills.Mr. Mills, Senior Vice President-Leasing, joined the Advisor in January 1996. Mr. Mills
has primary responsibility for all of the Company's leasing activities. Prior to joining the Advisor, Mr. Mills was employed by Simon Property Group REIT, a commercial property REIT, from 1992
to 1995 as a regional manager with responsibility for overall portfolio management of high rise office buildings totaling over four million square feet. Mr. Mills received his Bachelor's Degree
from Ohio Northern University and has a Real Property Administrator designation from the Building Owners and Managers Association.

Edith M. Scurto.Ms. Scurto, Senior Vice President-Property Management, joined the Advisor in December 1986. In
August 1987, she assumed responsibility for the Advisor's property management activities. Since that date, she has managed or overseen the management of all of the Advisor's and the Company's
properties, and has been involved with virtually every aspect of property management, reporting, improvement and maintenance. In December 1997, Ms. Scurto became the Company's Senior
Vice President-Property Management. Ms. Scurto currently oversees the management of all of the Company's properties. Ms. Scurto is a current member of the Institute of Real Estate
Management, maintains an Illinois Real Estate Sales Person License and is a Certified Property Manager.

12

---



PART II

ITEM 5MARKET FOR REGISTRANT'S COMMON EQUITY AND RELATED SHAREHOLDER MATTERS

The Company's common shares of beneficial interest (the "Common Shares") are listed on the New York Stock Exchange (the "NYSE") under the symbol "GL."

As
of March 5, 2002, there were approximately 346 holders of record of the Common Shares, which excludes beneficial owners of shares registered in nominee or street name.

The
table below sets forth for the periods indicated, the reported high and low sale prices of the Common Shares on the NYSE Composite Tape and the quarterly dividends per share paid by
the Company on such shares.

|2001     |  | 1Q |       | 2Q |   | 3Q    |  | 4Q |       | 2000 |   | 1Q    |  | 2Q       |  | 3Q |       | 4Q
|-------- |  | -- | ----- | -- | - | ----- |  | -- | ----- | ---- | - | ----- |  | -------- |  | -- | ----- | --
|High     |  | $  | 18.31 |    | $ | 18.30 |  | $  | 18.58 |      | $ | 17.00 |  | High     |  | $  | 16.38 |   
|Low      |  | $  | 15.81 |    | $ | 16.70 |  | $  | 15.30 |      | $ | 14.89 |  | Low      |  | $  | 14.25 |   
|Dividend |  | $  | .40   |    | $ | .40   |  | $  | .40   |      | $ | .40   |  | Dividend |  | $  | .34   |   

The Company has elected to be treated as a real estate investment trust ("REIT") under the applicable provisions of the Internal Revenue Code of
1986, as amended. In order to qualify as a REIT, the Company is required to distribute to shareholders at least 90% of its taxable income and to meet certain asset and income tests as well as certain
other requirements. The Company's distribution strategy is to distribute what it believes is a conservative percentage of its cash flow, permitting the Company to retain funds for capital improvements
and other investments while funding its distributions.

For
federal income tax purposes, distributions may consist of ordinary income dividends, nontaxable return of capital, capital gains or a combination thereof. Distributions in excess of
the Company's current and accumulated earnings and profits (calculated for tax purposes) will constitute a nontaxable return of capital rather than a dividend and will reduce the shareholder's basis
in his or her Common Shares for tax purposes. To the extent that a distribution exceeds both the Company's current and accumulated earnings and profits and the shareholder's basis in his or her
shares, the amount of such excess will generally be treated as gain from the sale or exchange of that shareholder's shares. The Company annually notifies shareholders of the taxability of
distributions paid during the preceding year. The following table sets forth the taxability of distributions paid in 2001, 2000 and 1999:

2001

2000

1999Ordinary income

100
%
66.0
%
81.2
%Unrecaptured Section 1250 gains



4.7
%
2.4
%20% rate capital gains



29.3
%
16.4
%100
%
100
%
100
%


13

---

ITEM 6SELECTED FINANCIAL DATA

The following sets forth selected financial and operating information for the Company for each of the periods and dates indicated. The following information
should be read in conjunction with the financial statements and notes thereto of the Company included elsewhere in this report. The selected historical financial and operating information for the
Company at December 31, 2001 and 2000, and for each of the three years in the period ended December 31, 2001 has been derived from the Company's financial statements audited by
Ernst & Young LLP, independent auditors, whose report with respect thereto is included elsewhere in this Form 10-K. The selected financial and operating information for the
Company at December 31, 1999, 1998 and 1997 and for the years ended December 31, 1998 and 1997 has been derived from the Company's audited financial statements.

|                                                              |                                                | Years ended December 31, |        
|------------------------------------------------------------- | ---------------------------------------------- | ------------------------ | -------
|
|Operating Data:                                               |                                                |                          |        
|Total revenue                                                 |                                                | $                        | 103,146
|Expenses:                                                     |                                                |                          |        
|                                                              | Real estate taxes and other property operating |                          |        
|                                                              | General and administrative                     |                          |        
|                                                              | Interest                                       |                          |        
|                                                              | Depreciation and amortization                  |                          |        
|Income before gain on sale of properties                      |                                                |                          | 21,672 
|Gain on sale of properties, net                               |                                                |                          |       
|Income before allocation to minority interests                |                                                |                          | 21,672 
|Minority interests                                            |                                                |                          | 52     
|Net income                                                    |                                                |                          | 21,620 
|Income allocated to preferred shareholders                    |                                                |                          | 3,656  
|Net income applicable to common shares                        |                                                | $                        | 17,964 
|Per Common Share Data:                                        |                                                |                          |        
|Net income:                                                   |                                                |                          |        
|                                                              | Basic                                          |                          | $      
|                                                              | Diluted                                        |                          | $      
|Dividends                                                     |                                                | $                        | 1.60   
|Weighted average shares outstanding:                          |                                                |                          |        
|                                                              | Basic                                          |                          |        
|                                                              | Diluted                                        |                          |        
|Balance Sheet Data (at December 31):                          |                                                |                          |        
|Properties, net of accumulated depreciation                   |                                                | $                        | 465,746
|Total assets                                                  |                                                |                          | 486,492
|Total debt                                                    |                                                |                          | 257,078
|Total liabilities                                             |                                                |                          | 277,916
|Shareholders' equity                                          |                                                |                          | 207,894
|Other data:                                                   |                                                |                          |        
|Cash flows provided by operating activities                   |                                                | $                        | 40,118 
|Cash flows provided by (used in) investing activities         |                                                |                          | (69,093
|Cash flows provided by (used in) financing activities         |                                                |                          | 31,086 
|Funds from operations (unaudited)(1)                          |                                                |                          | 37,271 
|Number of properties owned at year end (unaudited)            |                                                |                          | 37     
|Total square feet of properties owned at year end (unaudited) |                                                |                          | 5,428  
|Occupancy rate of properties owned at year end (unaudited)    |                                                |                          | 88     

---

14

---

ITEM 7MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS (Dollars in thousands)

Results of Operations

Trends

In 2001, occupancy rates in the Current Markets declined due to increases in supply and decreases in demand for office space. The Company's properties were
affected by this market trend and as a result, the overall portfolio occupancy of the Company's properties declined from 92% at the end of 2000 to 88% at the end of 2001. Occupancy declines in the
Company's portfolio of properties adversely impact the Company's revenue growth. The Company does not expect that the overall market trends will change in 2002. As a result, the Company expects that
overall portfolio occupancy will decline to approximately 84% at the end of 2002 and that revenues and net income will decrease slightly in 2002 as compared to 2001.

As
of March 5, 2002, several tenants were in default under their leases for failure to make rent payments. The largest of these tenants, an affiliate of PSINet, Inc., that
occupies 31,600 square feet in one of our Minneapolis area properties, is not expected to meet its rent payment obligations. In addition, several other tenants that are not currently in default are
experiencing financial difficulties which may lead to lease defaults. These tenant defaults may adversely impact the Company's revenue in 2002.

Critical Accounting Policies

Allowance for doubtful accountsmethodology

We
evaluate whether accounts receivable from tenants are collectible using the specific identification method. In circumstances where a specific tenant has defaulted on its financial
obligations to us, we record a specific reserve for bad debts against amounts due to reduce the net recognized receivable to
the amount we think will be collected. If a tenant's circumstances change (an unexpected material adverse change in a tenant's financial condition that precludes them from meeting their financial
obligations), our estimates of the recoverability of amounts due us could be reduced by a material amount.

Revenue recognitionreimbursement income

Under
the terms of our tenant leases, tenants pay a portion of the real estate taxes and property operating expenses of the property they occupy to us as reimbursement income. Tenants
generally pay an estimate of these amounts to us monthly. As of December 31 of each year, we record as a receivable any additional amounts due in excess of the monthly estimates paid to us by
the tenant even though the amount due will not be billed to the tenant until the next calendar year. Such amounts recorded do vary from the actual amounts billed to the tenants but the differences in
prior years have not been material.

Accrued real estate taxesuse of estimates

For
certain properties owned by us, real estate taxes for the current calendar year are not due and payable until the next calendar year. We estimate the amounts due the local taxing
authorities based on historical trends for a particular property or local area. We also use information from our consultants who review the methodology used by the local taxing authorities to
determine the real estate taxes we owe. If a local taxing authority were to change the methodology it uses to determine real estate taxes, the amounts estimated to be paid in future years could vary
from our estimates.

15

---

Fair value of interest rate swap agreements

We
value these agreements based on information provided to us by a third party. If we were to use a different party to help us value these agreements, the fair value could materially
change.

Accounting for employee share options

The
Company has elected to follow Accounting Principles Board Opinion No. 25, "Accounting for Stock Issued to Employees" (APB 25), in accounting for its options on common
shares. Under APB 25, no compensation expense is recognized because the exercise price of the Company's employee share
options equals or exceeds the market price of the underlying shares at the date of grant. Net income and earnings per share would vary from amounts reported if we followed FASB Statement 123
"Accounting for Stock-Based Compensation," and accounted for our employee share options under the fair value method of that Statement.

2001 Compared to 2000

During 2001, the Company acquired two properties. The operating results of these properties were included in the Company's financial statements from the dates of
acquisition. In addition, the Company sold two properties in 2000. In 2000, the Company acquired one property, and in 2001 a full year of operations of this property was included in the Company's
financial statements. In analyzing the 2001 operating results of the Company, the changes in rental and reimbursement income, real estate taxes and other property operating expenses from 2000 were
principally due to: (i) the addition of operating results from the properties acquired in 2001 from the dates of acquisition, (ii) the addition of a full year's operating results in 2001
of the property acquired in 2000 compared to the partial year's operating results from the date of its acquisition in 2000, (iii) the effect of property dispositions in 2000 and
(iv) increases or decreases on properties owned in both 2001 and 2000. Other property operating expenses include contract services, repairs, maintenance, utilities, personnel, insurance and
other costs directly associated with the leasing, management and operation of the properties. A summary of these changes as they impact rental income, reimbursement income, real estate taxes and other
property operating expenses for 2001 follows:

Rental
Income

Reimbursement
Income

Real Estate
Taxes

Other Property
Operating ExpensesIncrease due to 2001 acquisitions

$
3,486

$
2,372

$
1,264

$
1,601Increase due to inclusion of full year of properties acquired in 2000


815


688


503


298Property dispositions in 2000


(1,971
)

(1,279
)

(486
)

(757
)Increase (decrease) in 2001 compared to 2000


925


(2,414
)

962


(755
)Total

$
3,255

$
(633
)
$
2,243

$
387


Telecommunications
income increased by $42, or 10%, in 2001 to $467 as compared to $425 in 2000. Two companies that had signed rooftop license agreements declared bankruptcy in 2001
which adversely impacted telecommunications revenue in 2001.

Tenant
service income increased by $44, or 11%, to $437 in 2001 as compared to $393 in 2000 commensurate with the increase in the number of properties owned by the Company.

Interest
income decreased by $202, or 12%, to $1,532 in 2001 as compared to $1,734 in 2000 principally because the Company did not have any disposition proceeds from property sales in
2001 available to earn interest pending reinvestment in other properties or distribution to shareholders.

16

---

General
and administrative expenses decreased by $563, or 10%, to $4,992 in 2001 as compared to $5,555 in 2000 primarily due to reduced expenses associated with the restricted share plan
($239) and decreased compensation expenses ($324) in 2001.

Interest
expense decreased by $862, or 6%, to $14,331 in 2001 as compared to $15,193 in 2000 due to lower average interest rates on the Company's unsecured line of credit during 2001.

Depreciation
and amortization expense increased by $2,877, or 17%, to $19,852 in 2001 compared to $16,975 in 2000 as the weighted-average gross book value of properties depreciated was
greater in 2001 than in 2000. The Company acquired properties for a contract price of $56,759 in 2001 as compared to acquisitions totaling $9,490 in 2000.

Segment Operations

The Company has two reportable segments, distinguished by property type. The property types are office and office service center. Office buildings are generally
single-story or multi-story buildings used by tenants for office activities. The buildings generally have common area lobbies and other amenities including food service areas, atriums and limited
underground parking facilities. Office service center buildings generally are one-story buildings with no common areas. Tenant spaces generally have less than 100% office use with the
non-office space used for showroom, technical or light storage purposes.

The
net income for the office segment was as follows:

Years ended December 31,2001

2000Net operating income

$
56,349

$
53,966Interest expense


(13,520
)

(14,066
)Depreciation


(17,744
)

(15,300
)Segment net income

$
25,085

$
24,600


The
increase in the office segment net income for the year ended December 31, 2001 as compared to 2000 was primarily due to reduced interest expense in 2001 on the Company's unsecured line of
credit.

The
net income for the office service center segment was as follows:

Years ended December 31,2001

2000Net operating income

$
3,140

$
4,412Interest expense


(811
)

(1,127
)Depreciation


(1,535
)

(1,127
)Segment net income

$
794

$
2,158


The
decrease in segment net income for the year ended December 31, 2001 as compared to 2000 was due to the sale of the Company's Woodcreek office service center property in 2000 as well as
decreases caused by declining occupancies in this property segment.

2000 Compared to 1999

During 2000, the Company acquired one property. The operating results of this property were included in the Company's financial statements from the date of its
acquisition. In addition, the Company sold two properties in 2000. In 1999, the Company acquired two properties, and in 2000 a full year of operations of these properties was included in the Company's
financial statements. In

17

---

analyzing the 2000 operating results of the Company, the changes in rental and reimbursement income, real estate taxes and other property operating expenses from 1999 were principally due to:
(i) the addition of operating results from the property acquired in 2000 from the date of its acquisition, (ii) the addition of a full year's operating results in 2000 of properties
acquired in 1999 compared to the partial year's operating results from the dates of their respective acquisitions in 1999, (iii) the effect of property dispositions in 2000 and 1999 and
(iv) improved operations of properties during 2000 compared to 1999. A summary of these changes as they impact rental income, reimbursement income, real estate taxes and other property
operating expenses for 2000 follows:

Rental
Income

Reimbursement
Income

Real Estate
Taxes

Other Property
Operating ExpensesIncrease due to 2000 acquisitions

$
544

$
393

$
187

$
263Increase due to inclusion of full year of properties acquired in 1999


1,832


419


306


694Property dispositions in 1999


(2,074
)

(278
)

(393
)

(614
)Property dispositions in 2000


(1,150
)

(153
)

(395
)

(287
)Improved operations in 2000 compared to 1999


3,263


1,118


(993
)

692Total

$
2,415

$
1,499

$
(1,288
)
$
748


Telecommunications
income increased by $334, or 367%, in 2000 to $425 as compared to $91 in 1999 as the Company signed additional leases for rooftop space with telecommunications
providers in 2000. The Company commenced its efforts to lease rooftop space in the middle of 1999.

Tenant
service income increased by $216, or 122%, to $393 in 2000 as compared to $177 in 1999 as the Company's program to increase its tenant service income was in place for twelve
months in 2000 as compared with only six months in 1999.

Interest
income increased by $450, or 35%, to $1,734 in 2000 as compared to $1,284 in 1999 principally because of increased interest earned from employee share loans as the average
amount outstanding on these loans increased in 2000 as compared to 1999 and interest earned on disposition proceeds held pending reinvestment in additional properties or distribution to shareholders.

General
and administrative expenses increased by $863, or 18%, to $5,555 in 2000 as compared to $4,692 in 1999 primarily due to the implementation of a restricted share plan ($523),
increased legal fees associated with joint venture transactions not consummated ($104) and increases in state income taxes ($122).

Interest
expense increased by $1,184, or 8%, to $15,193 in 2000 as compared to $14,009 in 1999 due to higher weighted-average amounts of debt outstanding during 2000 as compared to 1999
and higher average short-term interest rates on the Company's variable rate debt during 2000.

Depreciation
and amortization expense increased by $1,074, or 7%, to $16,975 in 2000 compared to $15,901 in 1999 as the weighted-average gross book value of properties depreciated was
greater in 2000 than in 1999.

Liquidity and Capital Resources

The Company expects to meet its short-term liquidity requirements principally through its working capital and net cash provided by operating
activities. The Company considers its cash provided by operating activities to be adequate to meet operating requirements and to fund the payment of dividends to the extent necessary to comply with
certain federal income tax requirements applicable to real estate investment trusts ("REITs").

18

---

The
Company expects to meet its liquidity requirements for property acquisitions and significant capital improvements through targeted property dispositions and additional borrowings.
The Company's unsecured credit facility matures March 23, 2004 and has a maximum amount available of $150,000. The interest rate on borrowings under the unsecured credit facility is LIBOR plus
1.0% to 1.2% depending on the Company's overall leverage. The unsecured credit facility contains financial covenants, including requirements for a minimum tangible net worth, maximum liabilities to
asset values, debt service coverage and net property operating income. The unsecured credit facility also contains restrictions on, among other things, indebtedness, investments, dividends, liens,
mergers and development activities. At December 31, 2001, the Company had $47,750 available for future borrowings under the unsecured credit facility.

In
June 2001, the Company entered into a $33,046 loan agreement with an institutional lender. The loan is secured by a first mortgage lien on its Milwaukee Center property,
located in Milwaukee, Wisconsin, and bears interest at a fixed annual interest rate of 7.435% with a ten-year term. The net proceeds from the loan (approximately $33,000) were used to
repay a portion of the outstanding borrowings under the Company's unsecured credit facility.

In
October 2001, the Company entered into two separate interest rate swap agreements with notional amounts of $25,000 each. One agreement has a term of two years and fixes the
interest rate on $25,000 of the Company's unsecured credit facility at a maximum of 4.12%. The second swap agreement has a term of three years and fixes the interest rate on $25,000 of the Company's
unsecured credit facility at a maximum of 4.73% per annum.

In
December 2001, the Company entered into two loan agreements with an institutional lender totaling $23,000. One loan in the amount of $6,250 is secured by a first mortgage lien
on the Company's Woodfield Green property located in Schaumburg, Illinois. The other loan in an amount of $16,750 is secured by a first mortgage lien on the Company's 1600 Corporate Center property
located in Rolling Meadows, Illinois. Both loans bear interest at 6.65% per annum and have a term of five years. The net proceeds from the loans (approximately $23,000) were used to repay a portion of
the outstanding borrowings under the Company's unsecured credit facility.

The
next significant maturity of the Company's long-term debt is $11,100 in January 2003. The loan is secured by a first mortgage on Tri Atria Center located in
Farmington Hills, Michigan. The carrying value of this property was approximately $23,400 at December 31, 2001, and the Company expects to refinance the amount due in 2002.

The
Company expects to meet its long-term liquidity requirements (such as scheduled mortgage debt maturities, property acquisitions, and significant capital improvements)
through long-term collateralized and uncollateralized borrowings, the issuance of debt or equity securities and targeted property dispositions.

During
2001, the Company repurchased 228,400 of its common shares for an aggregate purchase price of $3,650, which completed all authorized share repurchase activities. Funds for the
share repurchases came from borrowings under the Company's unsecured credit facility and working capital.

Statements of Cash Flows



Cash provided by operating activities increased by $4,575 as compared to 2000 because the Company acquired two properties during 2001 aggregating 452,000 square
feet that offset the impact of declining occupancy on cash flow from operations.

Net
cash used in investing activities increased by $89,576 as compared to 2000 as Company acquired two properties in 2001 at a cost of $56,759 compared to one property in 2000 at a cost
of

19

---

$9,490. In addition, the Company did not sell any properties in 2001 as compared to $39,620 of disposition proceeds generated from property sales in 2000.

Net
cash provided by financing activities increased by $87,845 as compared to 2000 as the Company increased its long-term debt outstanding to finance the acquisition of
properties in 2001.



Cash provided by operating activities decreased by $581 as compared to 1999 because the Company sold two properties during 2000 aggregating 310,000 square feet
and only acquired one property containing 110,000 square feet in 2000.

Net
cash provided by financing activities increased by $39,444 as compared to 1999 as the proceeds from property sales increased in 2000 and cash used to purchase properties decreased in
2000.

Net
cash used in financing activities increased by $38,648 as compared to 1999 as the Company retired outstanding indebtedness and paid increased dividends in 2000.

Forward-Looking Statements

This annual report on Form 10-K contains "forward-looking statements" within the meaning of the Private Securities Litigation Reform Act of
1995 that involve risks and uncertainties. The statements
included in this annual report on Form 10-K regarding anticipated results for future periods, the expectations regarding future property dispositions and acquisitions, future
portfolio occupancy rates, expectations regarding local real estate market developments and the economic characteristics of the markets in which the Company operates, are "forward-looking statements"
made in reliance on the safe harbor provisions of the Private Securities Litigation Reform Act of 1995. Though these statements are based on risks, assumptions and other factors that management
believes to be reasonable, actual results may differ from those expected or implied by the "forward-looking statements." Key factors that could lead to a variance include additional property
acquisition, development or disposition activity and variances in the timing of property purchases and sales, changes in interest rates, the Company's ability to lease vacant space or renew expiring
leases at acceptable rates, unexpected variances in leasing activities due to unanticipated competition from other properties or changes in tenant demand, downturns in the local or national economies
and other risks inherent in the real estate business. For further information, reference should be made to the other reports and information that Great Lakes REIT has filed and may file with the
Securities and Exchange Commission.

ITEM 7(a)MARKET RISK (Dollars in thousands)

The Company's interest income is sensitive to changes in the general levels of U.S. short-term interest rates.

The
Company's interest expense is sensitive to changes in the general level of U.S. short-term and long-term interest rates as the Company has outstanding
indebtedness at fixed and variable rates.

The
Company's variable rate debt under the credit facility bears interest at LIBOR plus 1% to 1.2% per annum depending on the Company's overall leverage. Increases in LIBOR rates would
increase the Company's interest expense and reduce its cash flow. Conversely, declines in LIBOR rates would decrease the Company's interest expense and increase its cash flow. In October 2001,
the Company entered into two separate interest rate swap agreements with notional amounts of $25,000 each. One agreement has a term of two years and fixes the interest rate on $25,000 of the Company's
unsecured credit facility at a maximum of 4.12%. The second swap agreement has a term of three years and fixes the interest rate on $25,000 of the Company's unsecured credit facility at a maximum of
4.73% per annum.

20

---

At
December 31, 2001, the Company had $200,868 of fixed rate debt outstanding at an average rate of 6.31% (including the effect of the two swap agreements). If the general level
of interest rates in the United States were to fall, the Company would not likely have the opportunity to refinance this fixed rate debt at lower interest rates due to prepayment restrictions and
penalties on its fixed rate debt.

In
general, the Company believes long-term fixed rate debt is preferable as a financing vehicle for its operations due to the long-term fixed contractual rental
income the Company receives from its tenants. As a result, the Company has 78% of its long-term debt outstanding at December 31, 2001 at fixed rates (including the debt affected by
the swap agreements). The Company may, as market conditions warrant, enter into additional fixed rate long-term debt instruments on either a secured or unsecured basis.

A
tabular presentation of interest rate sensitivity is as follows:

Interest Rate Sensitivity
Principal Amount by Expected Maturity
Average Interest Rate

|              |                                                    | 2002 |   | 2003  |   | 2004 |        | 2005 |   | 2006   |   | Thereafter |      
|------------- | -------------------------------------------------- | ---- | - | ----- | - | ---- | ------ | ---- | - | ------ | - | ---------- | -----
|Liabilities:  |                                                    |      |   |       |   |      |        |      |   |        |   |            |      
|Fixed Rate    |                                                    |      |   |       |   |      |        |      |   |        |   |            |      
|              | Mortgage loans payable                             |      | $ | 3,743 |   | $    | 14,717 |      | $ | 6,465  |   | $          | 4,146
|              | Average interest rate                              |      |   | 6.96  | % |      | 7.05   | %    |   | 7.71   | % |            | 6.88 
|Fixed Rate    |                                                    |      |   |       |   |      |        |      |   |        |   |            |      
|              | Bank loan payable subject to interest rate swap(1) |      |   |      |   |      |       |      | $ | 25,000 |   |            |     
|              | Bank loan payable subject to interest rate swap(2) |      |   |      |   |      |       |      | $ | 25,000 |   |            |     
|              | Average interest rate(3)                           |      |   |       |   |      |        |      |   |        |   |            |      
|Variable Rate |                                                    |      |   |       |   |      |        |      |   |        |   |            |      
|              | Bank loan payable                                  |      |   |      |   |      |       |      | $ | 52,250 |   |            |     
|              | Average interest rate(4)                           |      |   |       |   |      |        |      |   |        |   |            |      
|              | Bonds payable                                      |      | $ | 340   |   | $    | 375    |      | $ | 415    |   | $          | 460  
|              | Average interest rate                              |      |   | (5    | ) |      | (5     | )    |   | (5     | ) |            | (5   

---

ITEM 8FINANCIAL STATEMENTS

The financial statements and supplementary data required by Regulation S-X are included in this Report on Form 10-K
commencing on Page F-1.

ITEM 9CHANGES IN AND DISAGREEMENTS WITH ACCOUNTANTS ON ACCOUNTING AND FINANCIAL DISCLOSURE

None.

21

---



PART III

ITEM 10TRUSTEES AND EXECUTIVE OFFICERS OF THE REGISTRANT

Information regarding trustees of the Company will be set forth under the caption "Election of Trustees" in the Company's proxy statement for the Company's 2002
annual meeting of shareholders (the "Proxy Statement") and is incorporated herein by reference. Information regarding executive officers of the Company is included in Item 4A of Part I of this Form
10-K as permitted by Instruction 3 to Item 401(b) of Regulation S-K. Information required by Item 405 of Regulation S-K will be set forth under the caption "Section 16(a) Beneficial Ownership
Reporting Compliance" in the Proxy Statement and is incorporated herein by reference.

ITEM 11EXECUTIVE COMPENSATION

Information required by this item will be set forth under the caption "Executive Compensation" in the Proxy Statement and, except for the information under the
captions "Executive CompensationCompensation Committee Report on Executive Compensation" and "Executive CompensationPerformance Graph," is incorporated herein by reference.

ITEM 12SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT

Information required by this item will be set forth under the caption "Security Ownership of Certain Beneficial Owners and Management" in the Proxy Statement and
is incorporated herein by reference.

ITEM 13CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS

Information regarding any disclosable relationships and related transactions of trustees and executive officers will be set forth under the caption "Compensation
Committee Interlocks and Insider Participation" in the Proxy Statement and is incorporated herein by reference.

PART IV

ITEM 14EXHIBITS, FINANCIAL STATEMENT SCHEDULES AND REPORTS ON FORM 8-K.

| | (a) | 1. | See Index to Financial Statements.
| | --- | -- | ----------------------------------
| |     | 2. | See Index to Financial Statements.

All other schedules are not submitted because the required criteria have not been met, or because the required information is included in the consolidated
financial statements or notes thereto.

|Exhibit
Number |  | Description of Document                                                                                                                                                                                                                                                                                                                                                                           
|-------------- |  | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|3.1            |  | Amended and Restated Declaration of Trust of the Company (incorporated by reference to Appendix B to the Proxy Statement/Prospectus that is part of the Company's Registration Statement on Form S-4, as amended (File
No. 333-56167) (the "S-4")).                                                                                                                                               
|3.2            |  | Articles Supplementary regarding the Company's 93/4% Cumulative Redeemable Preferred Shares of Beneficial Interest, $.01 par value per share (the "Series A Preferred Shares) (incorporated by
reference to the Company's Form 8-A Registration Statement (File No. 1-14307) filed with the Securities and Exchange Commission (the "Commission") on December 16, 1998 (the "December 1998 8-A")).
|3.3            |  | Bylaws of the Company.                                                                                                                                                                                                                                                                                                                                                                            

22

---

|4.1   |  | Specimen of certificate representing the Company's Common Shares of Beneficial Interest, par value $.01 per share (the "Common Shares").                                                                                                                                                                                                                                                                                                                                           
|----- |  | -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|4.2   |  | Specimen of certificate representing the Series A Preferred Shares.                                                                                                                                                                                                                                                                                                                                                                                                                
|4.3   |  | Loan Agreement, dated December 1, 1998, between the Company and AUSA Life Insurance Company, Inc. (incorporated by reference to Exhibit 10.1 to the Company's Current Report on Form 8-K filed with the
Commission on December 9, 1998).                                                                                                                                                                                                                                           
|4.4   |  | Unsecured Revolving Credit Agreement, dated as of March 23, 2001, among Great Lakes REIT, L.P., as Borrower and Banc One Capital Markets, Inc., as Lead Arranger and Sole Book Runner and Bank One, NA, and Certain
Other Banks as Lenders and Bank One, NA, as Agent. (incorporated by reference to exhibit 4.4 of the Company's Annual Report on Form 10-K for the year ended December 31, 2000).                                                                                
|4.5   |  | Loan Agreement dated June 1, 2001 between the Company and Bank of America, N.A. (incorporated by reference to Exhibit 10.1 to the Company's Current Report on Form 8-K filed with the Commission on June 20,
2001).                                                                                                                                                                                                                                                                
|4.6   |  | Form of Mortgage between the Company and Allstate Life Insurance Company dated December 14, 2001.                                                                                                                                                                                                                                                                                                                                                                                  
|4.7   |  | Form of Promissory Note between the Company and Allstate Life Insurance Company dated December 14, 2001.                                                                                                                                                                                                                                                                                                                                                                           
|10.1  |  | Amended and Restated Agreement of Limited Partnership of Great Lakes REIT, L.P., dated December 27, 1996 (the "Partnership Agreement") (incorporated by reference to Exhibit 5 to the Company's Current Report on
Form 8-K dated January 14, 1997).                                                                                                                                                                                                                                
|10.2  |  | First Amendment to the Partnership Agreement, dated February 6, 1997 (incorporated by reference to Exhibit 10.3 to the Company's Registration Statement on Form S-11 (File No. 333-22619) (the "S-11")
).                                                                                                                                                                                                                                                                          
|10.3  |  | Second Amendment to the Partnership Agreement, dated February 10, 1997 (incorporated by reference to Exhibit 10.3 to the Company's Annual Report on Form 10-K for the year ended December 31,
1998).                                                                                                                                                                                                                                                                               
|10.4  |  | Third Amendment to the Partnership Agreement, dated May 22, 1998 (incorporated by reference to Exhibit 10.4 to the Company's Annual Report on Form 10-K for the year ended December 31, 1998).                                                                                                                                                                                                                                                                                     
|10.5  |  | Fourth Amendment to the Partnership Agreement, dated December 23, 1998 (incorporated by reference to Exhibit 10.1 to the Company's Current Report on Form 8-K dated December 23, 1998).                                                                                                                                                                                                                                                                                            
|*10.6 |  | The Great Lakes REIT Equity and Performance Incentive Plan (the "Equity Plan") (incorporated by reference to the Company's Proxy Statement on Schedule 14A dated April 18, 2001).                                                                                                                                                                                                                                                                                                  
|*10.7 |  | Form of Option Agreement for use in connection with options granted under the Equity Plan; no options were granted to Named Executive Officers in 2001 (incorporated by reference to Exhibit 10.7 to the Company's
Annual Report on Form 10-K for the year ended December 31, 1998).                                                                                                                                                                                               
|*10.8 |  | Form of Non-Qualified Option Certificate for use in connection with options granted to independent trustees under the Equity Plan (incorporated by reference to Exhibit 10.9 to the Company's Annual Report on Form 10-K
for the year ended December 31, 1998); Matthew S. Dominski, Daniel E. Josephs, Daniel P. Kearney, Donald E. Phillips and James E. Schrager were each issued certificates dated December 31, 2001 that evidenced an option to purchase 5,000
Common Shares.

23

---

|*10.9  |  | Form of Employment Agreement dated July 17, 1998 between the Company and each of Richard A. May and Patrick R. Hunt (incorporated by reference to Exhibit 10.1 to the Company's Quarterly Report on Form 10-Q
for the quarter ended September 30, 1998).                                                                                                                                                                           
|------ |  | -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|*10.10 |  | Form of Employment Agreement dated July 17, 1998 between the Company and each of Raymond M. Braun, James Hicks and Richard L. Rasley (incorporated by reference to Exhibit 10.2 to the Company's Quarterly Report
on Form 10-Q for the quarter ended September 30, 1998).                                                                                                                                                          
|*10.11 |  | Form of Employment Agreement dated July 17, 1998 between the Company and each of Kim S. Mills and Edith M. Scurto (incorporated by reference to Exhibit 10.3 to the Company's Quarterly Report on Form
10-Q for the quarter ended September 30, 1998).                                                                                                                                                                             
|*10.12 |  | Limited Purpose Employee Loan Program of the Company (incorporated by reference to Exhibit 10.61 to the Company's Form 10/A Registration Statement filed with the Commission on January 9, 1997).                                                                                                                                                                                                                                  
|*10.13 |  | Form of Limited Purpose Employee Loan Program Loan Security Agreement for use in connection with limited purpose employee loans; (incorporated by reference to exhibit 10.14 of the Company's Annual Report on Form 10-K
for the year ended December 31, 2000) during 2001 Richard A. May, Patrick R. Hunt, Richard L. Rasley and Raymond M. Braun borrowed $25,790, $29,293, $13,093 and $14,930, respectively.                   
|*10.14 |  | Restricted Stock Agreement dated May 1, 1996 between the Company and Raymond Braun (incorporated by reference to Exhibit 10.8.6 to the S-11).                                                                                                                                                                                                                                                                                      
|*10.15 |  | Form of Restricted Shares Agreement; no restricted shares were granted to Named Executive Officers in 2001. During 2000 Richard A. May, Patrick R. Hunt, Richard L. Rasley, Raymond M. Braun, and James
Hicks entered into agreements covering 28,552, 23,891, 14,497, 16,530 and 16,530 restricted shares, respectively (incorporated by reference to Exhibit 10.1 to the Company's Form 10-Q for the period ended June 30, 2000).
|*10.16 |  | Form of Change in Control Agreement dated June 1, 2000 between the Company and each of Adam E. Berman, Brett A. Brown and Eric Niederman (incorporated by reference to exhibit 10.17 of the Company's Annual Report
on Form 10-K for the year ended December 31, 2000).                                                                                                                                                            
|21.1   |  | Subsidiaries of the Company.                                                                                                                                                                                                                                                                                                                                                                                                       
|23.1   |  | Consent of Independent Auditors.                                                                                                                                                                                                                                                                                                                                                                                                   
|24.1   |  | Power of Attorney (set forth on the signature page hereof).                                                                                                                                                                                                                                                                                                                                                                        

---

During
the fourth quarter ended December 31, 2001, the Company filed the following report on Form 8-K/A:

| |  | Items 2 and 7 |  | Form 8-K/A dated October 23, 2001 Acquisition of Bannockburn Corporate Center and 1600 Corporate Center and Required Financial Statements.
| |  | ------------- |  | ------------------------------------------------------------------------------------------------------------------------------------------

24

---



SIGNATURES

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed
on its behalf by the undersigned, thereunto duly authorized, in the City of Chicago, State of Illinois on the 18th day of March, 2002.

| |  | GREAT LAKES REIT
| |  | ----------------
| |  | By:             

Pursuant to the requirements of the Securities Exchange Act of 1934, this report has been signed below by the following persons on behalf of the registrant and in
the capacities indicated and on the 18th day of March, 2002.

|Name                                      |  | Title                                                                                               
|----------------------------------------- |  | ----------------------------------------------------------------------------------------------------
|                                          |  |                                                                                                     
|/s/RICHARD A. MAYRichard A. May           |  | Chairman of the Board of Trustees and Chief Executive Officer (Principal Executive Officer)         
|/s/PATRICK R. HUNTPatrick R. Hunt         |  | President, Chief Operating Officer and Trustee                                                      
|/s/RICHARD L. RASLEYRichard L. Rasley     |  | Executive Vice President, Secretary and Co-General Counsel                                          
|/s/JAMES HICKSJames Hicks                 |  | Chief Financial Officer and Treasurer (Principal Financial Officer and Principal Accounting Officer)
|/s/MATTHEW S. DOMINSKIMatthew S. Dominski |  | Trustee                                                                                             
|/s/DANIEL E. JOSEPHSDaniel E. Josephs     |  | Trustee                                                                                             
|/s/DANIEL P. KEARNEYDaniel P. Kearney     |  | Trustee                                                                                             
|                                          |  |                                                                                                     

25

---

|/s/DONALD E. PHILLIPSDonald E. Phillips |  | Trustee
|--------------------------------------- |  | -------
|/s/JAMES E. SCHRAGERJames E. Schrager   |  | Trustee

26

---



Great Lakes REIT Index to Financial Statements (Item 14(a))

|Financial Statements                                                                                        |  |    
|----------------------------------------------------------------------------------------------------------- |  | ---
|Report of Independent Auditors                                                                              |  | F-2
|Consolidated Balance Sheets as of December 31, 2001 and 2000                                                |  | F-3
|Consolidated Statements of Income for the years ended December 31, 2001, 2000 and 1999                      |  | F-4
|Consolidated Statements of Changes in Shareholders' Equity for the years ended December 2001, 2000 and 1999 |  | F-5
|Consolidated Statements of Cash Flows for the years ended December 31, 2001, 2000 and 1999                  |  | F-6
|Notes to Consolidated Financial Statements                                                                  |  | F-7
|Financial Statement Schedules                                                                               |  |    
|Schedule IIIReal Estate and Accumulated Depreciation as of December 31, 2001                               |  | S-1

Schedules,
other than as listed above, are omitted because they are not applicable or the equivalent information has been included elsewhere herein.

F-1

---

REPORT OF INDEPENDENT AUDITORS

The
Board of Trustees and Shareholders
Great Lakes REIT

We
have audited the accompanying consolidated balance sheets of Great Lakes REIT as of December 31, 2001 and 2000 and the related consolidated statements of income, changes in
shareholders' equity, and cash flows for each of the three years in the period ended December 31, 2001. Our audit also included the financial statement schedule listed in the index at Item
14(a). These financial statements and schedule are the responsibility of the Company's management. Our responsibility is to express an opinion on these financial statements and schedule based on our
audits.

We
conducted our audits in accordance with auditing standards generally accepted in the United States. Those standards require that we plan and perform the audit to obtain reasonable
assurance about whether the financial statements are free of material misstatement. An audit includes examining, on a test basis, evidence supporting the amounts and disclosures in the financial
statements. An audit also includes assessing the accounting principles used and significant estimates made by management, as well as evaluating the overall financial statement presentation. We believe
that our audits provide a reasonable basis for our opinion.

In
our opinion, the financial statements referred to above present fairly, in all material respects, the consolidated financial position of Great Lakes REIT at December 31, 2001
and 2000, and the consolidated results of its operations and its cash flows for each of the three years in the period ended December 31, 2001 in conformity with accounting principles generally
accepted in the United States. Also, in our opinion, the related financial statement schedule, when considered in relation to the basic financial statements taken as a whole, presents fairly in all
material respects the information set forth therein.

| | Ernst & Young LLP
| | -----------------

Chicago, Illinois
January 30, 2002

F-2

---

Great Lakes REIT
Consolidated Balance Sheets
(In thousands, except per share data)

|                                                                                                                                                                                                               |  | December 31 |        
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |  | ----------- | -------
|
|Assets                                                                                                                                                                                                         |  |             |        
|Properties:                                                                                                                                                                                                    |  |             |        
|Land                                                                                                                                                                                                           |  | $           | 64,736 
|Buildings and improvements                                                                                                                                                                                     |  |             | 457,849
|                                                                                                                                                                                                               |  |             |        
|                                                                                                                                                                                                               |  |             | 522,585
|Less accumulated depreciation                                                                                                                                                                                  |  |             | 56,839 
|                                                                                                                                                                                                               |  |             |        
|                                                                                                                                                                                                               |  |             | 465,746
|Cash and cash equivalents                                                                                                                                                                                      |  |             | 2,896  
|Real estate tax escrows                                                                                                                                                                                        |  |             | 225    
|Rents receivable                                                                                                                                                                                               |  |             | 6,661  
|Deferred financing and leasing costs, net of accumulated amortization                                                                                                                                          |  |             | 6,674  
|Goodwill, net of accumulated amortization                                                                                                                                                                      |  |             | 1,061  
|Other assets                                                                                                                                                                                                   |  |             | 3,229  
|                                                                                                                                                                                                               |  |             |        
|Total assets                                                                                                                                                                                                   |  | $           | 486,492
|                                                                                                                                                                                                               |  |             |        
|Liabilities and shareholders' equity                                                                                                                                                                           |  |             |        
|Bank loan payable                                                                                                                                                                                              |  | $           | 102,250
|Mortgage loans payable                                                                                                                                                                                         |  |             | 150,868
|Bonds payable                                                                                                                                                                                                  |  |             | 3,960  
|Accounts payable and accrued liabilities                                                                                                                                                                       |  |             | 2,960  
|Accrued real estate taxes                                                                                                                                                                                      |  |             | 12,710 
|Prepaid rent                                                                                                                                                                                                   |  |             | 3,539  
|Security deposits                                                                                                                                                                                              |  |             | 1,629  
|                                                                                                                                                                                                               |  |             |        
|Total liabilities                                                                                                                                                                                              |  |             | 277,916
|                                                                                                                                                                                                               |  |             |        
|Minority interests                                                                                                                                                                                             |  |             | 682    
|                                                                                                                                                                                                               |  |             |        
|Commitments and contingencies                                                                                                                                                                                  |  |             |        
|Preferred shares of beneficial interest ($0.01 par value, 10,000 shares authorized; 1,500 93/4% Series A Cumulative Redeemable shares, with a $25.00 per share Liquidation Preference, issued and
outstanding) |  |             | 37,500 
|Common shares of beneficial interest ($0.01 par value, 60,000 shares authorized; 18,305 and 18,275 shares issued in 2001 and 2000, respectively)                                                               |  |             | 183    
|Paid-in-capital                                                                                                                                                                                                |  |             | 235,371
|Retained earnings (deficit)                                                                                                                                                                                    |  |             | (15,927
|Employee share purchase loans                                                                                                                                                                                  |  |             | (20,083
|Deferred compensation                                                                                                                                                                                          |  |             | (2,325 
|Accumulated other comprehensive income                                                                                                                                                                         |  |             | 499    
|Treasury shares, at cost (1,772 and 1,543 shares in 2001 and 2000, respectively)                                                                                                                               |  |             | (27,324
|                                                                                                                                                                                                               |  |             |        
|Total shareholders' equity                                                                                                                                                                                     |  |             | 207,894
|                                                                                                                                                                                                               |  |             |        
|Total liabilities and shareholders' equity                                                                                                                                                                     |  | $           | 486,492
|                                                                                                                                                                                                               |  |             |        

The
accompanying notes are an integral part of these financial statements.

F-3

---

Great Lakes REIT
Consolidated Statements of Income
(In thousands, except per share data)

|                                                   |                | Years Ended December 31
|-------------------------------------------------- | -------------- | -----------------------
|
|Revenues:                                          |                |                        
|Rental                                             |                | $                      
|Reimbursements                                     |                |                        
|Parking                                            |                |                        
|Telecommunications                                 |                |                        
|Tenant service                                     |                |                        
|Interest                                           |                |                        
|Other                                              |                |                        
|                                                   |                |                        
|Total revenues                                     |                |                        
|                                                   |                |                        
|Expenses:                                          |                |                        
|Real estate taxes                                  |                |                        
|Other property operating                           |                |                        
|General and administrative                         |                |                        
|Interest                                           |                |                        
|Depreciation and amortization                      |                |                        
|                                                   |                |                        
|                                                   | Total expenses |                        
|                                                   |                |                        
|Income before gain on sale of properties           |                |                        
|Gain on sale of properties, net                    |                |                        
|                                                   |                |                        
|Income before allocation to minority interests     |                |                        
|Minority interests                                 |                |                        
|                                                   |                |                        
|Net income                                         |                |                        
|Income allocated to preferred shareholders         |                |                        
|                                                   |                |                        
|Net income applicable to common shares             |                | $                      
|                                                   |                |                        
|Earnings per common sharebasic                    |                | $                      
|                                                   |                |                        
|Weighted average common shares outstandingbasic   |                |                        
|                                                   |                |                        
|Diluted earnings per common share                  |                | $                      
|                                                   |                |                        
|Weighted average common shares outstandingdiluted |                |                        
|                                                   |                |                        
|Comprehensive income:                              |                |                        
|Net income                                         |                | $                      
|Change in fair value of interest rate swaps        |                |                        
|                                                   |                |                        
|Total comprehensive income                         |                | $                      
|                                                   |                |                        

The
accompanying notes are an integral part of these financial statements.

F-4

---

Great Lakes REIT
Consolidated Statements of Changes in Shareholders' Equity
(Dollars in thousands)

|                                                      |  | Years Ended December 31 |        
|----------------------------------------------------- |  | ----------------------- | -------
|
|Preferred Shares                                      |  |                         |        
|Balance at beginning of period                        |  | $                       | 37,500 
|                                                      |  |                         |        
|Balance at end of period                              |  |                         | 37,500 
|                                                      |  |                         |        
|Common Shares                                         |  |                         |        
|Balance at beginning of period                        |  |                         | 183    
|Exercise of share options                             |  |                         |       
|Restricted share awards                               |  |                         |       
|                                                      |  |                         |        
|Balance at end of period                              |  |                         | 183    
|                                                      |  |                         |        
|Paid-in capital                                       |  |                         |        
|Balance at beginning of period                        |  |                         | 234,959
|Exercise of share options                             |  |                         | 412    
|Restricted share awards                               |  |                         |       
|                                                      |  |                         |        
|Balance at end of period                              |  |                         | 235,371
|                                                      |  |                         |        
|Retained earnings (deficit)                           |  |                         |        
|Balance at beginning of period                        |  |                         | (7,176 
|Net income                                            |  |                         | 21,620 
|Distributions/dividends                               |  |                         | (30,371
|                                                      |  |                         |        
|Balance at end of period                              |  |                         | (15,927
|                                                      |  |                         |        
|Employee share purchase loans                         |  |                         |        
|Balance at beginning of period                        |  |                         | (20,096
|Repayment of loans                                    |  |                         | 277    
|Exercise of share options                             |  |                         | (264   
|                                                      |  |                         |        
|Balance at end of period                              |  |                         | (20,083
|                                                      |  |                         |        
|Deferred compensation                                 |  |                         |        
|Balance at beginning of period                        |  |                         | (2,623 
|Restricted share awards                               |  |                         |       
|Amortization of deferred compensation                 |  |                         | 298    
|                                                      |  |                         |        
|Balance at end of period                              |  |                         | (2,325 
|                                                      |  |                         |        
|Accumulated other comprehensive income                |  |                         |        
|Balance at beginning of period                        |  |                         |       
|Change in fair value of interest rate swap agreements |  |                         | 499    
|                                                      |  |                         |        
|Balance at end of period                              |  |                         | 499    
|                                                      |  |                         |        
|Treasury shares                                       |  |                         |        
|Balance at beginning of period                        |  |                         | (23,674
|Purchase of treasury shares                           |  |                         | (3,650 
|                                                      |  |                         |        
|Balance at end of period                              |  |                         | (27,324
|                                                      |  |                         |        
|Total shareholders' equity                            |  | $                       | 207,894
|                                                      |  |                         |        

The
accompanying notes are an integral part of these financial statements.

F-5

---

Great Lakes REIT
Consolidated Statements of Cash Flows
(Dollars in thousands)

|                                                                            |                                                          | Years Ended December 31 |         
|--------------------------------------------------------------------------- | -------------------------------------------------------- | ----------------------- | --------
|
|CASH FLOWS FROM OPERATING ACTIVITIES                                        |                                                          |                         |         
|Net income                                                                  |                                                          | $                       | 21,620  
|Adjustments to reconcile net income to cash flows from operating activities |                                                          |                         |         
|                                                                            | Depreciation and amortization                            |                         |         
|                                                                            | Gain on sale of properties, net                          |                         |         
|                                                                            | Other non-cash items                                     |                         |         
|Net changes in assets and liabilities:                                      |                                                          |                         |         
|                                                                            | Rents receivable                                         |                         |         
|                                                                            | Real estate tax escrows and other assets                 |                         |         
|                                                                            | Accounts payable, accrued expenses and other liabilities |                         |         
|                                                                            | Accrued real estate taxes                                |                         |         
|                                                                            | Payment of deferred leasing costs                        |                         |         
|                                                                            |                                                          |                         |         
|Net cash provided by operating activities                                   |                                                          |                         | 40,118  
|                                                                            |                                                          |                         |         
|CASH FLOWS FROM INVESTING ACTIVITIES                                        |                                                          |                         |         
|Purchase of properties                                                      |                                                          |                         | (56,759 
|Additions to buildings and improvements                                     |                                                          |                         | (12,241 
|Proceeds from property sales, net                                           |                                                          |                         |        
|Other investing activities, net                                             |                                                          |                         | (93     
|                                                                            |                                                          |                         |         
|Net cash provided by (used in) investing activities                         |                                                          |                         | (69,093 
|                                                                            |                                                          |                         |         
|CASH FLOWS FROM FINANCING ACTIVITIES                                        |                                                          |                         |         
|Proceeds from exercise of share options                                     |                                                          |                         | 148     
|Proceeds from repayment of employee share loans                             |                                                          |                         | 277     
|Proceeds from bank and mortgage loans payable                               |                                                          |                         | 255,715 
|Distributions / dividends paid                                              |                                                          |                         | (30,371 
|Distributions to minority interests                                         |                                                          |                         | (49     
|Purchase of minority interests                                              |                                                          |                         |        
|Purchase of treasury shares                                                 |                                                          |                         | (3,650  
|Payment of bank and mortgage loans and bonds                                |                                                          |                         | (189,548
|Payment of deferred financing costs                                         |                                                          |                         | (1,436  
|                                                                            |                                                          |                         |         
|Net cash provided by (used in) financing activities                         |                                                          |                         | 31,086  
|                                                                            |                                                          |                         |         
|Net increase (decrease) in cash and cash equivalents                        |                                                          |                         | 2,111   
|Cash and cash equivalents, beginning of year                                |                                                          |                         | 785     
|                                                                            |                                                          |                         |         
|Cash and cash equivalents, end of year                                      |                                                          | $                       | 2,896   
|                                                                            |                                                          |                         |         
|Supplemental disclosure of cash flow:                                       |                                                          |                         |         
|Interest paid                                                               |                                                          | $                       | 14,552  
|                                                                            |                                                          |                         |         
|Non-cash financing transactions:                                            |                                                          |                         |         
|Employee share purchase loans                                               |                                                          | $                       | 264     
|                                                                            |                                                          |                         |         
|Mortgage assumed by purchaser of property                                   |                                                          |                         |        
|                                                                            |                                                          |                         |         
|Increase in preferred dividends payable                                     |                                                          |                         |        
|                                                                            |                                                          |                         |         

The
accompanying notes are an integral part of these financial statements.

F-6

---

Great Lakes REIT

Notes to Consolidated Financial Statements

(Dollars in thousands, except per share data)

1.    Summary of Significant Accounting Policies

Nature of Activities

Great Lakes REIT, a Maryland real estate investment trust, (the "Company"), was formed in 1992 to invest in income-producing real property. The principal business
of the Company is the ownership, management, leasing, renovation and acquisition of suburban office properties primarily located in the Midwest. At December 31, 2001, the Company owned and
operated 37 properties primarily located in suburban areas of Chicago, Milwaukee, Detroit, Columbus, Minneapolis, Denver and Cincinnati. The Company leases office space to over 500 tenants in a
variety of businesses.

Principles of Consolidation

The consolidated financial statements include the accounts of the Company and its wholly-owned subsidiaries and controlled partnership. Inter-company accounts and
transactions have been eliminated in consolidation.

Properties

Costs incurred for the acquisition, development, construction and improvement of properties are capitalized. Certain costs of yet-to-be
acquired properties, including deposits and professional fees, are capitalized as other assets. These costs are subsequently capitalized as property acquisition costs or charged to expense when it
becomes apparent that acquisition of a particular property is not probable. Maintenance and repairs are charged to expense when incurred.

Depreciation
of buildings is computed using the straight-line method over the estimated useful lives of the assets, generally 40 years. Depreciation of tenant
improvements is computed using the straight-line method over the shorter of the lease term or useful life. For the years ended December 31, 2001, 2000 and 1999, depreciation expense
amounted to $17,256, $14,841, and $13,877, respectively. Fully depreciated assets of $4,109 and $2,079 were written off in 2001 and 2000, respectively.

Deferred Costs

Deferred costs consist principally of financing fees and leasing commissions that are amortized over the terms of the respective agreements.

Revenue Recognition

Minimum rentals are recognized on a straight-line basis over the term of the related leases. Deferred rents receivable at December 31, 2001 and
2000 were $5,427 and $5,601, respectively. Additional rents from expense reimbursements for common area maintenance expenses and real estate taxes are recognized in the period in which the related
expenses are incurred.

Cash Equivalents

The Company considers all highly liquid investments purchased with a maturity of three months or less to be cash equivalents. At December 31, 2001 and
2000, the Company had $2,693 and $574, respectively, in a money market fund.

F-7

---

Income Taxes

The Company has elected to be treated as a real estate investment trust ("REIT") under the applicable provisions of the Internal Revenue Code of 1986, as amended.
In order to qualify as a REIT, the Company is required to distribute to shareholders at least 90% of its taxable income and to meet certain asset and income tests as well as certain other
requirements. Accordingly, no provision for income taxes has been reflected in the consolidated financial statements.

As
of December 31, 2001, properties net of accumulated depreciation, rents receivable, goodwill and prepaid rent have a federal income tax basis of approximately $477,244, $1,234,
$-0- and $-0-, respectively.

Reconciliation of Net Income to Estimated Taxable Income (Unaudited)

Earnings and profits, which determine the taxability of distributions to shareholders, differ from net income reported for financial reporting purposes due to
differences for U.S. Federal tax purposes in the estimated useful lives and methods used to compute depreciation and the carrying value (basis) of the investments in properties, among other things.
The following table reconciles the Company's net income to estimated taxable income for the years ended December 31, 2001, 2000 and 1999:

|                                                      |  | 2001 |        | 2000 |   | 1999   |  
|----------------------------------------------------- |  | ---- | ------ | ---- | - | ------ | -
|Net income                                            |  | $    | 21,620 |      | $ | 34,189 |  
|Book/tax differences in depreciation and amortization |  |      | 7,145  |      |   | 4,786  |  
|Book/tax differences in gain on sale of properties    |  |      |       |      |   | (336   | )
|Increase (decrease) in advanced rent payments         |  |      | 942    |      |   | (1,339 | )
|Restricted share and option compensation              |  |      | (312   | )    |   | 320    |  
|Straight-line rent adjustments                        |  |      | 174    |      |   | (684   | )
|Amortization of goodwill                              |  |      | 74     |      |   | 74     |  
|Other, net                                            |  |      | (100   | )    |   | 56     |  
|                                                      |  |      |        |      |   |        |  
|Estimated taxable income                              |  | $    | 29,543 |      | $ | 37,066 |  
|                                                      |  |      |        |      |   |        |  

Share Options

The Company has elected to follow Accounting Principles Board Opinion No. 25, "Accounting for Stock Issued to Employees" (APB 25), in accounting for its
options on common shares. Under APB 25, no compensation expense is recognized because the exercise price of the Company's employee share options equals or exceeds the market price of the underlying
shares at the date of grant.

Derivatives and Hedging Activities

The Financial Accounting Standards Board issued Statement No. 133, Accounting for Derivatives and Hedging Activities, and its amendments, Statements 137
and 138, in June 1998, June 1999 and June 2000, respectively. The Statement requires the Company to recognize all derivatives on its balance sheet at fair value effective
January 1, 2001. Derivatives that are not hedges must be adjusted to fair value through income. If the derivative is a hedge, depending on the nature of the hedge, changes in

F-8

---

the fair value of the derivatives are either offset against the change in fair value of the assets, liabilities, or firm commitments through earnings or recognized in other comprehensive income until
the hedged item is recognized in earnings. The ineffective portion of a derivative's change in fair value will be immediately recognized in earnings.

In
October 2001, the Company entered into two separate interest rate swap agreements with notional amounts of $25,000 each. One agreement has a term of two years and fixes the
interest rate on $25,000 of the Company's unsecured credit facility at a maximum of 4.12%. The second swap agreement has a term of three years and fixes the interest rate on $25,000 of the Company's
unsecured credit facility at a maximum of 4.73% per annum.The Company is exposed to credit loss in the event of non-performance by counterparties under the agreement, but the Company does
not expect non-performance by any of these counterparties. The amount of such exposure is generally limited to the amount of any payments due but not yet received from the counterparty.

At
December 31, 2001, the fair value of the swap agreements was $499 and is reflected as accumulated other comprehensive income in the consolidated balance sheet as of
December 31, 2001.

Goodwill

Goodwill is amortized to expense on a straight-line basis over its estimated life of twenty years. Accumulated amortization was $428 and $354 at
December 31, 2001 and 2000, respectively.

In
June 2001, the Financial Accounting Standards Board issued Statements of Financial Accounting Standards No. 141, Business Combinations, and No. 142, Goodwill and
Other Intangible Assets, effective for fiscal years beginning after December 15, 2001. Under the new rules, goodwill will no longer be amortized but will be subject to annual impairment tests
in accordance with these Statements.

The
Company will apply the new rules on accounting for goodwill and other intangible assets beginning in the first quarter of 2002. Application of the non-amortization
provisions of these Statements is expected to result in an increase in net income of $74 per year. The Company has performed the first of the required impairment tests of goodwill as of
January 1, 2002, and has determined that goodwill is not impaired as of that date.

Impairment of Assets

The Company recognizes impairment losses for its properties when indicators of impairment are present and a property's expected undiscounted cash flows are not
sufficient to recover the property's carrying amount.

In
August 2001, the Financial Accounting Standards Board issued Statement of Financial Accounting Standards No. 144, Accounting for Impairment or Disposal of
Long-lived Assets, which is effective for fiscal years beginning after December 15, 2001. Application of the provisions of this statement is not expected to affect the earnings and
financial position of the Company.

F-9

---

Use of Estimates

The preparation of financial statements in conformity with accounting principles generally accepted in the United States requires management to make estimates and
assumptions that affect the amounts reported in the financial statements and accompanying notes. Actual results could differ from those estimates.

2.    Deferred Costs

Deferred costs consisted of the following at December 31, 2001 and 2000:

2001

2000Deferred financing costs

$
2,437

$
2,998Deferred leasing costs


9,090


8,77511,527


11,773Less accumulated amortization


4,853


5,880$
6,674

$
5,893


During
the years ended December 31, 2001, 2000 and 1999, amortization of financing costs was $497, $482 and $526, respectively, and amortization of leasing costs was $1,917,
$1,577 and $1,424,
respectively. Deferred leasing costs related to property dispositions of $61 were written off in 2000. Fully amortized deferred costs of $3,441 were written off in 2001.

3.    Long-Term Debt

Mortgage loans payable aggregated $150,868 and $97,641 at December 31, 2001 and 2000, respectively. The mortgage loans payable require monthly payments of
principal and interest. Interest rates at December 31, 2001, ranged from 6.65% to 8.95%.

The
Company has obtained a bank letter of credit to secure repayment of outstanding bonds payable in a face amount of approximately $4,338. The Company has guaranteed repayment of the
letter of credit to the issuing bank as well as granted the issuing bank a first mortgage on one of the Company's properties. The interest rate on the bonds (1.8% per annum at December 31,
2001) is reset weekly by the bond placement agent.

At
December 31, 2001, the Company had a $150,000 unsecured bank credit facility with a maturity date of March 23, 2004. Interest on amounts outstanding ($102,250 at
December 31, 2001) is payable at LIBOR plus 1.0% to 1.2% (3.10% at December 31, 2001) depending on the Company's overall leverage.

In
October 2001, the Company entered into two separate interest rate swap agreements with notional amounts of $25,000 each. One agreement has a term of two years and fixes the
interest rate on $25,000 of the Company's unsecured credit facility at a maximum of 4.12%. The second swap agreement has a term of three years and fixes the interest rate on $25,000 of the Company's
unsecured credit facility at a maximum of 4.73% per annum. At December 31, 2001, the fair value of the swap

F-10

---

agreements was $499 and was reflected in other assets as well as accumulated other comprehensive income in the consolidated balance sheet as of December 31, 2001.

The
following is a summary of principal maturities of mortgage loans, bank loan and bonds payable:

Year Ending December 31,

Amount2002

$
4,0832003

$
15,0922004

$
109,1302005

$
4,6062006

$
24,667Thereafter

$
99,500


At
December 31, 2001, properties with a carrying amount of approximately $211,724 were pledged as collateral under the various debt agreements.

4.    Share Options

In 2001, the Company adopted the Amended and Restated Equity and Performance Incentive Plan (the "Amended Plan") which allows the granting of options on shares to
employees and members of the Board of Trustees. The Amended Plan, which superceded all previous plans, provides that 1,088,090 common shares were reserved for issuance after May 31, 2001. As of
December 31, 2001, 1,031,090 common shares were available for future grant.

For
options granted in 2001, 2000 and 1999, the exercise prices at the dates of grant were equal to or greater than the fair value of the Company's shares.

A
summary of the Company's share option activity and related information for the years ended December 31, 2001, 2000 and 1999 is as follows:

|                                 |  | 2001
Shares |  | Price per
Shares (a) |       | 2000
Shares |           | Price per
share (a) |   | 1999
Shares |  | Price per
share (a)
|-------------------------------- |  | ----------- |  | -------------------- | ----- | ----------- | --------- | ------------------- | - | ----------- |  | -------------------
|Outstanding at beginning of year |  | 1,177,400   |  | $                    | 16.23 |             | 1,375,040 |                     | $ | 16.04       |  | 1,388,445          
|Granted                          |  | 57,000      |  | $                    | 15.90 |             | 89,200    |                     | $ | 16.71       |  | 301,400            
|Exercised                        |  | 37,668      |  | $                    | 14.47 |             | 282,015   |                     | $ | 15.37       |  | 303,305            
|Cancelled                        |  | 16,433      |  | $                    | 16.05 |             | 4,825     |                     | $ | 14.61       |  | 11,500             
|                                 |  |             |  |                      |       |             |           |                     |   |             |  |                    
|Outstanding at end of year       |  | 1,180,299   |  | $                    | 16.27 |             | 1,177,400 |                     | $ | 16.23       |  | 1,375,040          
|                                 |  |             |  |                      |       |             |           |                     |   |             |  |                    

|                  |  | Shares
exercisable |  | Price per
share (a)
|----------------- |  | ------------------ |  | -------------------
|December 31, 2001 |  | 1,023,026          |  | $                  
|December 31, 2000 |  | 845,400            |  | $                  
|December 31, 1999 |  | 929,795            |  | $                  

---

F-11

---

The
weighted-average fair value of options granted is as follows:

2001

$
1.772000

$
2.531999

$
1.17


The
weighted-average life of options outstanding at December 31, 2001 was 6.7 years.

Pro
forma information regarding net income and earnings per share is required by FASB Statement 123 "Accounting for Stock-Based Compensation," and has been determined as if the Company
had accounted for its employee share options under the fair value method of that Statement. The fair value for these options was estimated at the date of grant using a Black-Scholes option pricing
model with the following weighted-average assumptions:

Risk-free
Interest Rate

Dividend
Yields

Volatility
Factors

Weighted Average
Expected Life2001

5.13
%
9.8%-10.2%

0.324
%
5 years2000

5.10
%
8.7%

0.354
%
5 years1999

6.50
%
9.1%-9.4%

0.212
%
5 years


The
Black-Scholes option valuation model was developed for use in estimating the fair value of traded options that have no vesting restrictions and are fully transferable. In addition,
option valuation models require the input of highly subjective assumptions including the expected stock price volatility. Because the Company's employee share options have characteristics
significantly different from those of traded options, and because changes in the subjective input assumptions can materially affect the fair value estimate, in management's opinion, the existing
models do not necessarily provide a reliable single measure of the fair value of its employee share options.

The
effects on 2001 and 2000 pro forma net income and pro forma earnings per common share, both basic and diluted, of amortizing to expense the estimated fair value of share options are
not necessarily representative of the effects on net income to be reported in future years due to such things as the
vesting period of the share options, and the potential for issuance of additional share options in future years.

For
purposes of pro forma disclosures, the estimated fair value of the options is amortized to expense over the options' vesting period. The Company's unaudited pro forma information
follows for the years ended December 31, 2001 and 2000:

2001

2000Pro forma net income applicable to common shares

$
17,511

$
29,903Pro forma basic earnings per common share

$
1.06

$
1.81Pro forma diluted earnings per common share

$
1.05

$
1.80


The
Company had a limited purpose employee loan program whereby employees may borrow all or a portion of the cost of exercising options on common shares held by the employee. Such loans
bear interest at 6.83% which is payable quarterly, are recourse to the employees, have a term of five years provided the employee remains employed by the Company and are secured by a pledge of the
common

F-12

---

shares acquired by the employee through this program. The Company suspended the program in 2001 and does not anticipate advancing additional loan amounts to employees for the purchase of common
shares. As of December 31, 2001, employees had acquired approximately 1,433,000 common shares through this program with loan amounts outstanding of $20,083 due the Company. Such amount is
reflected as a reduction of shareholders' equity until the loans are repaid.

5.    Restricted Share Grants

On June 1, 2000, the Company issued 200,000 restricted common shares to certain officers and employees under the 1997 Equity and Performance Incentive
Plan. The shares vest ten years from the date of issuance provided the recipient is still employed by the Company, but may vest earlier in
increments during the period ending December 31, 2002 subject to the Company achieving certain performance objectives. Upon a change in control of the Company, up to 100,000 of the restricted
shares issued to certain officers of the Company vest immediately. The total fair value of the restricted shares at the date of issuance ($3,138) is being amortized into expense over ten years on a
straight-line basis, subject to adjustment when the Company determines that it is probable to achieve certain performance objectives which accelerate the full or partial vesting of the
shares. Based on year 2000 performance, 33,336 shares vested to the participants. No shares vested in 2001 based on year 2001 performance. The Company recorded compensation expense of $298 in 2001 and
$523 in 2000 related to the restricted share plan.

6.    Leases

The Company leases office and industrial properties to tenants under noncancellable operating leases that expire at various dates through 2011. The lease
agreements typically provide for a specific monthly payment plus reimbursement of certain operating expenses. The following is a summary of minimum future rental revenue under noncancellable operating
leases:

Year ending December 31,

Amount2002

$
72,2912003


54,7722004


38,6482005


28,8672006


19,232Thereafter


27,788$
241,598


Minimum
future rentals do not include amounts that are received from tenants as a reimbursement of property operating expenses.

F-13

---

7.    Dividends

The Company declared dividends of $26,715, $31,773 and $22,088 to common shareholders of record during the calendar years 2001, 2000 and 1999, respectively. The
Company has determined the common shareholders' treatment for Federal income tax purposes to be as follows:

2001

2000

1999Ordinary income

$
26,715

$
20,973

$
17,947Unrecaptured Section 1250 gain





1,485


52920% rate capital gains





9,315


3,612Total

$
26,715

$
31,773

$
22,088


The
Company paid dividends to preferred shareholders of record in 2001 and 2000 of $3,656 and $3,514 in 1999, all of which represented ordinary income for Federal income tax purposes to
the preferred shareholders.

8.    Property Acquisitions

The following properties were acquired in 2001 and 2000 and the results of their operations are included in the consolidated statements of income from their
respective dates of acquisition.

Total Acquisition PriceLocation

Date Acquired2001

20001600 Golf Road
Rolling Meadows, IL

3/1/2001

$
25,6163000 Lakeside
Drive Bannockburn, IL

8/10/2001

$
31,1431920 and 1930 N. Thoreau Drive
Schaumburg, IL

8/1/2000




$
9,490


F-14

---

9.    Property Dispositions

The Company sold two properties in 2000 and five properties in 1999 as follows:

Property

Date of Sale

Contract Price

Gain (Loss)
On Sale

Mortgage
Assumed by
Purchaser3010 and 3020 Woodcreek Drive
Downers Grove, IL

4/12/2000

$
12,700

$
2,958


183 Inverness Drive
Englewood, CO

12/1/2000


28,250


8,176


Total 2000



$
40,950

$
11,134


1675 Holmes Rd.
Elgin, IL

4/21/99

$
4,700

$
658

$
2,0792800 River Rd.
Des Plaines, IL

6/30/99


8,050


2,982


1251 Plum Grove Rd.
Schaumburg, IL

6/30/99


3,550


1,875


565 Lakeview Pkwy.
Vernon Hills, IL

8/25/99


8,800


3,190


16601 S. Kedzie Ave.
Markham, IL

12/10/99


513


(629
)

Total 1999



$
25,613

$
8,076

$
2,079


The
sales proceeds of the 3010 and 3020 Woodcreek Drive property were partially reinvested in 1920 and 1930 Thoreau Drive, Schaumburg, Illinois.

10.    Segment Information

The Company has two reportable segments at December 31, 2001, distinguished by property type. The property types are office and office/service center. The
Company sold its last industrial property in 1999. Office buildings are generally single-story or multi-story buildings used by tenants for office activities. The buildings generally have common area
lobbies and other amenities including food service areas, atriums and limited underground parking facilities. Office/service center buildings generally are
one-story buildings with no common areas. Tenant spaces generally have less than 100% office use with the non-office space used for showroom, technical or light storage
purposes.

The
Company evaluates performance and allocates resources based net operating income, which the Company defines as property revenues (rental and reimbursement income) less property
operating expenses and real estate taxes.

F-15

---

Following
is a summary report of segment information for the years ended December 31, 2001, 2000 and 1999:

2001

2000

1999RevenuesOffice

$
96,394

$
91,442

$
86,223Office/service center


5,394


6,605


6,908Industrial








172Deferred rental revenues


(174
)

737


757Interest


1,532


1,745


1,371Total

$
103,146

$
100,529

$
95,431Net operating incomeOffice

$
56,349

$
53,966

$
48,443Office/service center


3,140


4,412


4,511Industrial








140Total

$
59,489

$
58,378

$
53,094Depreciation and amortizationOffice

$
17,744

$
15,300

$
14,008Office/service center


1,535


1,127


1,329Industrial








33Other


573


548


531Total

$
19,852

$
16,975

$
15,901Interest expenseOffice

$
13,520

$
14,066

$
12,454Office/service center


811


1,127


1,485Industrial








70Total

$
14,331

$
15,193

$
14,009Income before gain on sale of properties:Office net operating income

$
56,349

$
53,966

$
48,443Office service center net operating income


3,140


4,412


4,511Office interest expense


(13,520
)

(14,066
)

(12,454
)Office service center interest expense


(811
)

(1,127
)

(1,485
)Office depreciation


(17,744
)

(15,300
)

(14,008
)Office service center depreciation


(1,535
)

(1,127
)

(1,329
)Deferred rental revenue


(174
)

737


757Interest income


1,532


1,745


1,371General and administrative


(4,992
)

(5,555
)

(4,692
)Other depreciation


(573
)

(548
)

(531
)Industrial net income








37Income before gain on sale of properties

$
21,672

$
23,137

$
20,620


F-16

---

As of December 31,2001

2000AssetsOffice

$
449,501

$
394,972Office/service center


23,832


24,782Other


13,159


11,856Total

$
486,492

$
431,610


Years ended December 312001

2000

1999Additions to propertiesOffice

$
67,607

$
18,722

$
39,657Office/service center

$
1,393


293


885Industrial








36Total

$
69,000

$
19,015

$
40,578


F-17

---

11.    Earnings Per Share

The following table sets forth the computation of basic and diluted earnings per common share for the years ended December 31, 2001, 2000 and 1999:

2001

2000

1999Numerator:Net income applicable to common shares

$
17,964

$
30,533

$
24,942Numerator for basic earnings per common share

$
17,964

$
30,533


24,942Minority interests


52


82


98Numerator for diluted earnings per common share

$
18,016

$
30,615

$
25,040Denominator:Denominator for basic earnings per common shareWeighted average shares


16,520


16,531


16,471Effect of dilutive securities:Convertible operating partnership units


40


40


56Employee share options and restricted shares


95


60


27Denominator for diluted earnings per common share


16,655


16,631


16,554Basic earnings per common share

$
1.09

$
1.85

$
1.51Diluted earnings per common share

$
1.08

$
1.84

$
1.51


The
unvested restricted common share grants (166,664 shares at December 31, 2001) are excluded from the common shares used to compute basic earnings per share. The
unvested restricted common shares are included in the shares used to compute fully diluted earnings per share using the treasury stock method whereby the unamortized deferred compensation related to
these shares is assumed to be the exercise value of these shares.

The
Company has 40,199 operating partnership units held by non-affiliates of the Company outstanding at December 31, 2001, which are convertible to common shares on a
one for one basis at the option of the holder.

12.    Fair Value of Financial Instruments

The Company discloses information concerning the fair value of financial instruments for which it is practical to estimate such fair values. The carrying amount
reported for cash equivalents in the accompanying consolidated balance sheets approximated its fair value. The fair market value of mortgages payable at December 31, 2001 was $150,569 assuming
market interest rates of 6.65% to 7.25%. The fair market value of mortgages payable at December 31, 2000 was $96,427 assuming a market interest rate of 7.25%. The carrying amounts of bonds
payable and bank loan payable approximated fair value at December 31, 2001 and 2000.

13.    Subsequent Event

On January 30, 2002, the Company acquired Two Riverwood Place, a 99,500 square foot three story office building, located in suburban Milwaukee for a
contract price of $8.4 million.

F-18

---

14.    Quarterly Financial Data (Unaudited)

|                                       |  | 3/31/2001 |        | 6/30/2001 |   | 9/30/2001 |  | 12/31/2001
|-------------------------------------- |  | --------- | ------ | --------- | - | --------- |  | ----------
|Revenues                               |  | $         | 24,981 |           | $ | 25,956    |  | $         
|Net income applicable to common shares |  | $         | 4,967  |           | $ | 4,900     |  | $         
|Basic earnings per common share        |  | $         | 0.30   |           | $ | 0.30      |  | $         
|Diluted earnings per common share      |  | $         | 0.30   |           | $ | 0.29      |  | $         

|                                       |  | 3/31/2000 |        | 6/30/2000 |   | 9/30/2000 |  | 12/31/2000
|-------------------------------------- |  | --------- | ------ | --------- | - | --------- |  | ----------
|Revenues                               |  | $         | 24,479 |           | $ | 24,886    |  | $         
|Net income applicable to common shares |  | $         | 4,616  |           | $ | 7,910     |  | $         
|Basic earnings per common share        |  | $         | 0.28   |           | $ | 0.48      |  | $         
|Diluted earnings per common share      |  | $         | 0.28   |           | $ | 0.48      |  | $         

F-19

---

Schedule III Real Estate and Accumulated Depreciation

|                                                               |  |   |        | Initial Cost
to the Company
(000's omitted) |   | Costs Capitalized
Subsequent to
Acquisition
(000's omitted) |  | Gross Amount at which
Carried at
December 31, 2001
(000's omitted) |        |  |   |  |   |       |  |   |      
|-------------------------------------------------------------- |  | - | ------ | ------------------------------------------- | - | ----------------------------------------------------------- |  | ------------------------------------------------------------------ | ------ |  | - |  | - | ----- |  | - | -----
|
|1900 East Golf
Road Schaumburg, IL                             |  |   |       |                                             | $ | 3,800                                                       |  | $                                                                  | 20,212 |  |  |  | $ | 2,720 |  | $ | 3,800
|1600 Golf Road
Rolling Meadows, IL                             |  | $ | 16,750 |                                             | $ | 1,800                                                       |  | $                                                                  | 23,816 |  |  |  | $ | 727   |  | $ | 1,800
|1750 East Golf Road
Schaumburg, IL                             |  |   |       |                                             | $ | 2,300                                                       |  | $                                                                  | 17,607 |  |  |  | $ | 1,167 |  | $ | 2,300
|3000 Lakeside Drive
Bannockburn, IL                            |  |   |       |                                             | $ | 5,300                                                       |  | $                                                                  | 25,843 |  |  |  | $ | 232   |  | $ | 5,300
|1011 Touhy Avenue
Des Plaines, IL                              |  |   | (B     | )                                           | $ | 720                                                         |  | $                                                                  | 3,932  |  |  |  | $ | 3,860 |  | $ | 720  
|3030 Warrenville Road
Lisle, IL                                |  |   |       |                                             | $ | 4,300                                                       |  | $                                                                  | 13,787 |  |  |  | $ | 1,208 |  | $ | 4,300
|1920 & 1930 N. Thoreau Drive
Schaumburg, IL                    |  | $ | 6,250  |                                             | $ | 2,600                                                       |  | $                                                                  | 6,890  |  |  |  | $ | 618   |  | $ | 2,600
|1660 Feehanville Drive
Mount Prospect, IL                      |  |   |       |                                             | $ | 1,100                                                       |  | $                                                                  | 4,304  |  |  |  | $ | 647   |  | $ | 1,100
|175 Hawthorn Parkway
Vernon Hills, IL                          |  |   | (B     | )                                           | $ | 1,600                                                       |  | $                                                                  | 4,721  |  |  |  | $ | 918   |  | $ | 1,600
|3400 Dundee Road
Northbrook, IL                                |  |   | (B     | )                                           | $ | 607                                                         |  | $                                                                  | 3,476  |  |  |  | $ | 862   |  | $ | 607  
|191 Waukegan Road
Northfield, IL                               |  |   |       |                                             | $ | 1,220                                                       |  | $                                                                  | 3,288  |  |  |  | $ | 849   |  | $ | 1,220
|823 Commerce Drive
Oak Brook, IL                               |  |   |       |                                             | $ | 500                                                         |  | $                                                                  | 1,262  |  |  |  | $ | 3,095 |  | $ | 500  
|Two Marriott Drive
Lincolnshire, IL                            |  |   | (B     | )                                           | $ | 610                                                         |  | $                                                                  | 2,230  |  |  |  | $ | 149   |  | $ | 610  
|160-185 Hansen Court
Wood Dale, IL                             |  |   |       |                                             | $ | 2,100                                                       |  | $                                                                  | 3,210  |  |  |  | $ | 1,427 |  | $ | 2,100
|3455, 3550, 3555 Salt Creek Lane
Arlington Heights, IL         |  |   |       |                                             | $ | 850                                                         |  | $                                                                  | 4,333  |  |  |  | $ | 420   |  | $ | 850  
|601 Campus Drive
Arlington Heights, IL                         |  |   | (B     | )                                           | $ | 900                                                         |  | $                                                                  | 2,264  |  |  |  | $ | 956   |  | $ | 900  
|111 East Kilbourn Avenue
Milwaukee, WI                         |  | $ | 32,897 |                                             | $ | 2,176                                                       |  | $                                                                  | 44,618 |  |  |  | $ | 2,710 |  | $ | 2,176
|11270 W. Park Place
Milwaukee, WI                              |  |   | (B     | )                                           | $ | 940                                                         |  | $                                                                  | 14,734 |  |  |  | $ | 1,299 |  | $ | 940  
|2514 S. 102nd Street
& 10150 W. National Avenue
West Allis, WI |  |   | (B     | )                                           | $ | 975                                                         |  | $                                                                  | 7,020  |  |  |  | $ | 995   |  | $ | 975  

S-1

---

Schedule III Real Estate and Accumulated Depreciation

|                                                |  |   |        | Initial Cost
to the Company
(000's omitted) |   | Costs Capitalized
Subsequent to
Acquisition
(000's omitted) |  | Gross Amount at which
Carried at
December 31, 2001
(000's omitted) |         |  |   |     |  |   |        |  |  
|----------------------------------------------- |  | - | ------ | ------------------------------------------- | - | ----------------------------------------------------------- |  | ------------------------------------------------------------------ | ------- |  | - | --- |  | - | ------ |  | -
|
|N17 W24222
Riverwood Drive
Waukesha, WI         |  |   |       |                                             | $ | 771                                                         |  | $                                                                  | 8,197   |  | $ | 438 |  | $ | 1,665  |  | $
|150, 175, 250 Patrick Blvd.
Brookfield, WI      |  | $ | 2,857  |                                             | $ | 2,600                                                       |  | $                                                                  | 3,967   |  |   |    |  | $ | 1,088  |  | $
|375 Bishop's Way
Brookfield, WI                 |  |   |       |                                             | $ | 600                                                         |  | $                                                                  | 4,361   |  |   |    |  | $ | 638    |  | $
|11925 W. Lake Park Drive
Milwaukee, WI          |  |   | (B     | )                                           | $ | 319                                                         |  | $                                                                  | 1,819   |  |   |    |  | $ | 307    |  | $
|2550 University Avenue
West St. Paul, MN        |  |   |       |                                             | $ | 1,280                                                       |  | $                                                                  | 22,820  |  |   |    |  | $ | 2,307  |  | $
|2221 University Avenue SE
Minneapolis, MN       |  | $ | 3,960  |                                             | $ | 1,100                                                       |  | $                                                                  | 7,090   |  |   |    |  | $ | 716    |  | $
|777 East Eisenhower Parkway
Ann Arbor, MI       |  |   |       |                                             | $ | 4,000                                                       |  | $                                                                  | 12,664  |  |   |    |  | $ | 7,680  |  | $
|32255 Northwestern Highway
Farmington Hills, MI |  | $ | 11,308 |                                             | $ | 3,700                                                       |  | $                                                                  | 20,802  |  |   |    |  | $ | 1,750  |  | $
|305, 315, 325 E.
Eisenhower Pkwy
Ann Arbor, MI  |  |   |       |                                             | $ | 3,200                                                       |  | $                                                                  | 16,432  |  |   |    |  | $ | 1,032  |  | $
|1301 W. Long Lake Road
Troy, MI                 |  |   | (B     | )                                           | $ | 2,500                                                       |  | $                                                                  | 13,600  |  |   |    |  | $ | 1,892  |  | $
|No. 40 Oak Hollow
Southfield, MI                |  |   | (B     | )                                           | $ | 1,250                                                       |  | $                                                                  | 6,063   |  |   |    |  | $ | 803    |  | $
|24800 Denso Drive
Southfield, MI                |  |   | (B     | )                                           | $ | 1,400                                                       |  | $                                                                  | 4,547   |  |   |    |  | $ | 341    |  | $
|655 Metro Place
South Dublin, OH                |  |   |       |                                             | $ | 1,470                                                       |  | $                                                                  | 18,188  |  |   |    |  | $ | 1,420  |  | $
|175 South Third Street
Columbus, OH             |  |   |       |                                             |   | Lease                                                       |  | $                                                                  | 21,949  |  |   |    |  | $ | 1,187  |  |  
|425 Metro Place
North Dublin, OH                |  |   |       |                                             | $ | 620                                                         |  | $                                                                  | 6,666   |  |   |    |  | $ | 826    |  | $
|4860-5000 Blazer
Memorial Pkwy
Dublin, OH       |  |   |       |                                             | $ | 1,340                                                       |  | $                                                                  | 7,042   |  |   |    |  | $ | 891    |  | $
|30 Merchant Street
Springdale, OH               |  |   |       |                                             | $ | 650                                                         |  | $                                                                  | 5,496   |  |   |    |  | $ | 177    |  | $
|116 Inverness Drive East
Englewood, CO          |  | $ | 11,660 |                                             | $ | 3,100                                                       |  | $                                                                  | 17,867  |  |   |    |  | $ | 1,153  |  | $
|                                                |  |   |        |                                             |   |                                                             |  |                                                                    |         |  |   |     |  |   |        |  |  
|Totals                                          |  | $ | 85,682 |                                             | $ | 64,298                                                      |  | $                                                                  | 407,117 |  | $ | 438 |  | $ | 50,732 |  | $
|                                                |  |   |        |                                             |   |                                                             |  |                                                                    |         |  |   |     |  |   |        |  |  

S-2

---



---



Real Estate Owned:

2001

2000

1999Balance beginning of year

$
457,694

$
470,949

$
448,557Property acquisitions


56,759


9,490


28,600Additions


12,241


9,525


11,978Disposals





(30,191
)

(18,186
)Retirements


(4,109
)

(2,079
)

Balance end of year

$
522,585

$
457,694

$
470,949


Accumulated Depreciation:

2001

2000

1999Balance beginning of year

$
43,692

$
32,772

$
21,951Depreciation expense


17,256


14,766


13,799Disposals





(1,767
)

(2,978
)Retirements


(4,109
)

(2,079
)

Balance end of year

$
56,839

$
43,692

$
32,772


S-3

---

Exhibits  To  ANNUAL REPORT ON FORM 10-K  FOR THE YEAR ENDED  DECEMBER 31, 2001  GREAT LAKES REIT

|Exhibit
Number |  | Description of Document                                                                                                                                                                                                                                                                                                                                                                            
|-------------- |  | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|3.1            |  | Amended and Restated Declaration of Trust of the Company (incorporated by reference to Appendix B to the Proxy Statement/Prospectus that is part of the Company's Registration Statement on Form S-4, as amended (File
No. 333-56167) (the "S-4")).                                                                                                                                                
|3.2            |  | Articles Supplementary regarding the Company's 93/4% Cumulative Redeemable Preferred Shares of Beneficial Interest, $.01 par value per share (the "Series A Preferred Shares) (incorporated by
reference to the Company's Form 8-A Registration Statement (File No. 1-14307) filed with the Securities and Exchange Commission (the "Commission") on December 16, 1998 (the "December 1998 8-A")). 
|3.3            |  | Bylaws of the Company.                                                                                                                                                                                                                                                                                                                                                                             
|4.1            |  | Specimen of certificate representing the Company's Common Shares of Beneficial Interest, par value $.01 per share (the "Common Shares").                                                                                                                                                                                                                                                           
|4.2            |  | Specimen of certificate representing the Series A Preferred Shares.                                                                                                                                                                                                                                                                                                                                
|4.3            |  | Loan Agreement, dated December 1, 1998, between the Company and AUSA Life Insurance Company, Inc. (incorporated by reference to Exhibit 10.1 to the Company's Current Report on Form 8-K filed with the
Commission on December 9, 1998).                                                                                                                                                           
|4.4            |  | Unsecured Revolving Credit Agreement, dated as of March 23, 2001, among Great Lakes REIT, L.P., as Borrower and Banc One Capital Markets, Inc., as Lead Arranger and Sole Book Runner and Bank One, NA, and Certain
Other Banks as Lenders and Bank One, NA, as Agent. (incorporated by reference to exhibit 4.4 of the Company's Annual Report on Form 10-K for the year ended December 31, 2000).
|4.5            |  | Loan Agreement dated June 1, 2001 between the Company and Bank of America, N.A. (incorporated by reference to Exhibit 10.1 to the Company's Current Report on Form 8-K filed with the Commission on June 20,
2001).                                                                                                                                                                                
|4.6            |  | Form of Mortgage between the Company and Allstate Life Insurance Company dated December 14, 2001.                                                                                                                                                                                                                                                                                                  
|4.7            |  | Form of Promissory Note between the Company and Allstate Life Insurance Company dated December 14, 2001.                                                                                                                                                                                                                                                                                           
|10.1           |  | Amended and Restated Agreement of Limited Partnership of Great Lakes REIT, L.P., dated December 27, 1996 (the "Partnership Agreement") (incorporated by reference to Exhibit 5 to the Company's Current Report on
Form 8-K dated January 14, 1997).                                                                                                                                                
|10.2           |  | First Amendment to the Partnership Agreement, dated February 6, 1997 (incorporated by reference to Exhibit 10.3 to the Company's Registration Statement on Form S-11 (File No. 333-22619) (the "S-11")
).                                                                                                                                                                                          
|10.3           |  | Second Amendment to the Partnership Agreement, dated February 10, 1997 (incorporated by reference to Exhibit 10.3 to the Company's Annual Report on Form 10-K for the year ended December 31,
1998).                                                                                                                                                                                               
|10.4           |  | Third Amendment to the Partnership Agreement, dated May 22, 1998 (incorporated by reference to Exhibit 10.4 to the Company's Annual Report on Form 10-K for the year ended December 31, 1998).                                                                                                                                                                                                     
|10.5           |  | Fourth Amendment to the Partnership Agreement, dated December 23, 1998 (incorporated by reference to Exhibit 10.1 to the Company's Current Report on Form 8-K dated December 23, 1998).                                                                                                                                                                                                            

---

|*10.6  |  | The Great Lakes REIT Equity and Performance Incentive Plan (the "Equity Plan") (incorporated by reference to the Company's Proxy Statement on Schedule 14A dated April 18, 2001).                                                                                                                                                                                                                                                                                                  
|------ |  | -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|*10.7  |  | Form of Option Agreement for use in connection with options granted under the Equity Plan; no options were granted to Named Executive Officers in 2001 (incorporated by reference to Exhibit 10.7 to the Company's
Annual Report on Form 10-K for the year ended December 31, 1998).                                                                                                                                                                                               
|*10.8  |  | Form of Non-Qualified Option Certificate for use in connection with options granted to independent trustees under the Equity Plan (incorporated by reference to Exhibit 10.9 to the Company's Annual Report on Form 10-K
for the year ended December 31, 1998); Matthew S. Dominski, Daniel E. Josephs, Daniel P. Kearney, Donald E. Phillips and James E. Schrager were each issued certificates dated December 31, 2001 that evidenced an option to purchase 5,000
Common Shares.
|*10.9  |  | Form of Employment Agreement dated July 17, 1998 between the Company and each of Richard A. May and Patrick R. Hunt (incorporated by reference to Exhibit 10.1 to the Company's Quarterly Report on Form 10-Q
for the quarter ended September 30, 1998).                                                                                                                                                                                                                           
|*10.10 |  | Form of Employment Agreement dated July 17, 1998 between the Company and each of Raymond M. Braun, James Hicks and Richard L. Rasley (incorporated by reference to Exhibit 10.2 to the Company's Quarterly Report
on Form 10-Q for the quarter ended September 30, 1998).                                                                                                                                                                                                          
|*10.11 |  | Form of Employment Agreement dated July 17, 1998 between the Company and each of Kim S. Mills and Edith M. Scurto (incorporated by reference to Exhibit 10.3 to the Company's Quarterly Report on Form
10-Q for the quarter ended September 30, 1998).                                                                                                                                                                                                                             
|*10.12 |  | Limited Purpose Employee Loan Program of the Company (incorporated by reference to Exhibit 10.61 to the Company's Form 10/A Registration Statement filed with the Commission on January 9, 1997).                                                                                                                                                                                                                                                                                  
|*10.13 |  | Form of Limited Purpose Employee Loan Program Loan Security Agreement for use in connection with limited purpose employee loans; (incorporated by reference to exhibit 10.14 of the Company's Annual Report on Form 10-K
for the year ended December 31, 2000) during 2001 Richard A. May, Patrick R. Hunt, Richard L. Rasley and Raymond M. Braun borrowed $25,790, $29,293, $13,093 and $14,930, respectively.                                                                   
|*10.14 |  | Restricted Stock Agreement dated May 1, 1996 between the Company and Raymond Braun (incorporated by reference to Exhibit 10.8.6 to the S-11).                                                                                                                                                                                                                                                                                                                                      
|*10.15 |  | Form of Restricted Shares Agreement; no restricted shares were granted to Named Executive Officers in 2001. During 2000 Richard A. May, Patrick R. Hunt, Richard L. Rasley, Raymond M. Braun, and James
Hicks entered into agreements covering 28,552, 23,891, 14,497, 16,530 and 16,530 restricted shares, respectively (incorporated by reference to Exhibit 10.1 to the Company's Form 10-Q for the period ended June 30, 2000).                                                
|*10.16 |  | Form of Change in Control Agreement dated June 1, 2000 between the Company and each of Adam E. Berman, Brett A. Brown and Eric Niederman (incorporated by reference to exhibit 10.17 of the Company's Annual Report
on Form 10-K for the year ended December 31, 2000).                                                                                                                                                                                                            
|21.1   |  | Subsidiaries of the Company.                                                                                                                                                                                                                                                                                                                                                                                                                                                       
|23.1   |  | Consent of Independent Auditors.                                                                                                                                                                                                                                                                                                                                                                                                                                                   
|24.1   |  | Power of Attorney (set forth on the signature page hereof).                                                                                                                                                                                                                                                                                                                                                                                                                        

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