HRPT PROPERTIES TRUST
10-K, 1999-03-31
REAL ESTATE INVESTMENT TRUSTS
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                     HEALTH AND RETIREMENT PROPERTIES TRUST


                                  UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                              WASHINGTON, DC 20549

                                    FORM 10-K

                [X] ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d)
                     OF THE SECURITIES EXCHANGE ACT OF 1934

                   For the Fiscal Year Ended December 31, 1998
                                       OR

              [ ] TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d)
                          OF THE EXCHANGE ACT OF 1934

         For the transition period from ______________ to ______________

                          Commission File Number 1-9317

                              HRPT PROPERTIES TRUST
             (Exact name of registrant as specified in its charter)

         Maryland                                               04-6558834
(State or other jurisdiction                                  (IRS Employer  
    of incorporation)                                       Identification No.)


                 400 Centre Street, Newton, Massachusetts 02458
               (Address of principal executive offices) (Zip Code)

                                  617-332-3990
              (Registrant's telephone number, including area code)

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

<TABLE>
<CAPTION>
                                                                                Name of exchange on
                     Title of each class                                         which registered
- -------------------------------------------------------------------- -------------------------------------------
<S>                                                                           <C>
            Common Shares of Beneficial Interest                              New York Stock Exchange
     7.25% Convertible Subordinated Debentures due 2001                       New York Stock Exchange
 7.5% Convertible Subordinated Debentures due 2003, Series A                  New York Stock Exchange
</TABLE>

        Securities registered pursuant to Section 12(g) of the Act: None

    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 [X] No [ ]

 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. [X]


<PAGE>



         The aggregate  market value of the voting stock of the registrant  held
by non-affiliates  was $1.8 billion based on the $13 3/4 closing price per share
for such stock on the New York Stock Exchange on March 29, 1999. For purposes of
this calculation,  1,134,372 shares held by HRPT Advisors,  Inc., 2,463,366 held
by REIT  Management & Research,  Inc.  solely in its capacity as voting  trustee
under a voting trust agreement or a proxy, an aggregate of 44,250 shares held by
the Trustees and executive officers of the registrant,  44,851 held by Gerard M.
Martin and 44,851 held by Barry M. Portnoy,  have been included in the number of
shares held by affiliates.

         Number of the registrant's Common Shares of Beneficial  Interest,  $.01
par value ("Shares"), outstanding as of March 29, 1999: 131,893,126.

DOCUMENTS INCORPORATED BY REFERENCE

         Part  III of this  Annual  Report  on  Form  10-K  is  incorporated  by
reference  from  our  definitive  Proxy  Statement  for the  annual  meeting  of
shareholders currently scheduled to be held on May 11, 1999.

CERTAIN IMPORTANT FACTORS

         This Annual Report on Form 10-K contains  statements  which  constitute
forward  looking  statements  within the  meaning of the  Securities  Litigation
Reform Act of 1995. These  statements  appear in a number of places in this Form
10-K regarding our intent,  belief or expectations  with respect to expansion of
our  portfolio,  our ability to pay  dividends,  the effect of year 2000 issues,
policies and plans regarding investments,  financings and other matters, our tax
status  as a real  estate  investment  trust  and our  access  to debt or equity
capital  markets or to other  sources  of funds and  statements  of  assumptions
underlying such  statements as to intent,  belief or  expectations.  Readers are
cautioned that any such forward looking  statements are not guarantees of future
performance  and involve  risks and  uncertainties  and that actual  results may
differ  materially from those  contained in the forward looking  statements as a
result of various  factors.  Such  factors  include  the status of the  economy,
compliance  with and  changes  to  regulations  and  payment  and  reimbursement
policies  within the health care  industry,  competition  within the health care
industry, and changes in federal, state and local legislation.  The accompanying
information contained or incorporated by reference in this Annual Report on Form
10-K,  including under the heading  "Business" and in our Current Report on Form
8-K dated March 5, 1999, under the heading "Management's Discussion and Analysis
of Financial  Condition and Results of Operations",  identifies  other important
factors that could cause such differences.

         THE  AMENDED  AND  RESTATED  DECLARATION  OF  TRUST  ESTABLISHING  HRPT
PROPERTIES  TRUST,  DATED  JULY 1,  1994,  A COPY OF  WHICH,  TOGETHER  WITH ALL
AMENDMENTS THERETO, IS DULY FILED IN THE OFFICE OF THE DEPARTMENT OF ASSESSMENTS
AND TAXATION OF THE STATE OF MARYLAND,  PROVIDES THAT THE NAME "HRPT  PROPERTIES
TRUST" REFERS TO THE TRUSTEES UNDER THE  DECLARATION OF TRUST,  COLLECTIVELY  AS
TRUSTEES,  BUT NOT  INDIVIDUALLY  OR PERSONALLY,  AND THAT NO TRUSTEE,  OFFICER,
SHAREHOLDER,  EMPLOYEE  OR AGENT OF HRPT  PROPERTIES  TRUST SHALL BE HELD TO ANY
PERSONAL  LIABILITY,  JOINTLY  OR  SEVERALLY,  FOR ANY  OBLIGATION  OF, OR CLAIM
AGAINST,  HRPT PROPERTIES TRUST. ALL PERSONS DEALING WITH HRPT PROPERTIES TRUST,
IN ANY WAY,  SHALL  LOOK  ONLY TO THE  ASSETS OF HRPT  PROPERTIES  TRUST FOR THE
PAYMENT OF ANY SUM OR THE PERFORMANCE OF ANY OBLIGATION.


<PAGE>



<TABLE>
<CAPTION>
                                                HRPT PROPERTIES TRUST
                                            1998 FORM 10-K ANNUAL REPORT


                                                  Table of Contents

                                                       Part I
                                                                                                            Page
<S>               <C>                                                                                        <C>
Item 1.           Business........................................................................           1
Item 2.           Properties......................................................................           19
Item 3.           Legal Proceedings...............................................................           21
Item 4.           Submission of Matters to a Vote of Security Holders.............................           22

                                                        Part II

Item 5.           Market for Registrant's Common Stock and Related Stockholder Matters............           22
Item 6.           Selected Financial Data.........................................................           23
Item 7.           Management's Discussion and Analysis of Financial Condition and Results of
                      Operations..................................................................           24
Item 7A.          Quantitative and Qualitative Disclosures About Market Risk                                 24
Item 8.           Financial Statements and Supplementary Data.....................................           25
Item 9.           Changes in and Disagreements with Accountants on Accounting and Financial
                      Disclosure..................................................................           25

                                                       Part III

Item 10.          Directors 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..................................           *

                  *   Incorporated by reference from our Proxy Statement for the
                      Annual Meeting of Shareholders  currently  scheduled to be
                      held on May 11, 1999,  to be filed  pursuant to Regulation
                      14A.

                                                        Part IV

Item 14.          Exhibits, Financial Statement Schedules and Reports on Form 8-K.................           25
</TABLE>



<PAGE>

         References in this Annual Report on Form 10-K to the "Company" or "HRP"
include consolidated subsidiaries, unless the context indicates otherwise.

                                     PART I
Item 1.  Business

         The  Company.  HRPT  Properties  Trust  ("HRP"  or the  "Company")  was
organized  on  October  9,  1986 as a  Maryland  real  estate  investment  trust
("REIT"). We invest in income producing real estate,  including office buildings
and senior housing properties.

         As of December 31, 1998, we owned 230 properties for a total investment
of $3.0 billion (at cost), had mortgage investments in 26 properties aggregating
$69.2 million and had an equity investment  representing 8.8% of the outstanding
common  shares of  Hospitality  Properties  Trust  ("HPT")  with an  approximate
carrying  value  of  $110.6  million,  for  total  real  estate  investments  of
approximately   $3.1  billion.   The   properties  are  described  in  "Business
Developments Since January 1, 1998" and "Properties".

                                   Number of              Total Investment
State                             Properties            at December 31, 1998
                                                         (in thousands)
Alaska                                     1                       $1,000
Arizona                                    9                       64,856
California                                30                      322,415
Colorado                                  10                       56,154
Connecticut                               11                      110,891
Delaware                                   1                       44,090
District of Columbia                       5                      207,521
Florida                                   10                      148,578
Georgia                                    5                       15,286
Illinois                                   2                       98,742
Iowa                                       7                        8,207
Kansas                                     4                        8,477
Louisiana                                  1                       18,992
Maryland                                   8                      191,164
Massachusetts                             34                      251,535
Michigan                                   2                        9,181
Minnesota                                  3                       40,704
Missouri                                   3                       11,564
Nebraska                                  10                       10,704
New Hampshire                              1                        3,754
New Jersey                                 5                       42,954
New Mexico                                 2                       11,021
New York                                   6                      185,225
North Carolina                             5                        9,192
Ohio                                       4                       26,930
Oklahoma                                   1                       24,762
Pennsylvania                              17                      553,997
Rhode Island                               1                        8,010
South Dakota                               3                        7,589
Tennessee                                  1                       22,173
Texas                                     22                      271,441
Vermont                                    8                       29,766
Virginia                                   7                      111,540
Washington                                 4                       40,930
West Virginia                              1                        4,898
Wisconsin                                  8                       33,904
Wyoming                                    4                       17,563
                                         ---                   ----------
Total                                    256                    3,025,710
                                         ===
Investment in HPT                                                 110,554
                                                               ----------
Total Investments                                              $3,136,264
                                                               ==========


                                       1
<PAGE>



         Our  principal  executive  offices  are  located at 400 Centre  Street,
Newton, Massachusetts 02458, and our telephone number is (617) 332-3990.

         Investment  Policy and Method of Operation.  Our  investment  goals are
current income for distribution to  shareholders,  capital growth resulting from
appreciation in the residual value of owned  properties,  and  preservation  and
protection of shareholders'  capital.  Our income is derived primarily from rent
and interest payments under our leases and mortgages.

         Our day to day operations are conducted by REIT  Management & Research,
Inc.  ("RMR"),  our investment  manager.  RMR provides  investment,  management,
property  management  and  administrative  services  to us. RMR  originates  and
presents  investment  opportunities  to our  Board of  Trustees.  In  evaluating
potential investments, we consider factors such as: the historical and projected
rents  received and likely to be received from the property to meet  operational
needs and financing  obligations  and to provide a competitive  market return on
our investments;  the historic and expected operating  expenses,  including real
estate  taxes,  incurred  and  expected to be incurred  at the  properties;  the
growth,  tax and regulatory  environments of the market in which the property is
located;  the  quality,  experience,  and credit  worthiness  of the  property's
operator and tenants; an appraisal of the property, if available;  occupancy and
demand for similar  properties in the same or nearby markets;  the  construction
quality,  physical condition and design of the property; the geographic area and
type of  property;  and the pricing of  comparable  properties  as  evidenced by
recent arms length market sales.

         Prior to  investing  in  properties,  we obtain  title  commitments  or
policies  of title  insurance  insuring  that we hold title to or have  mortgage
interests in such properties, free of material liens and encumbrances.

         Our  investments  are  structured  using  leases  with  minimum  and/or
additional rent and escalation  provisions,  loans with fixed or floating rates,
joint  ventures  and  partnerships  with  affiliated  or  unaffiliated  parties,
commitments  or options to purchase  interests  in real  estate,  mergers or any
combination of the foregoing that will best suit the particular investment.

         In connection with our current bank credit facility,  we have agreed to
obtain lender  approval  before  exceeding  investment  concentrations  based on
certain criteria (see "Borrowing Policy"). Among these are that no more than 40%
of our investments be operated by any single tenant or mortgagor and that no new
hotel  investments be made. No limits,  other than those in connection  with our
bank credit facility, have been set on the number of properties in which we will
seek  to  invest,  or on the  concentration  of  investments  involving  any one
facility  or  geographical  area;  however,   our  Board  of  Trustees  consider
concentration  of  investments  in  determining  whether to make new or increase
existing investments.

         Our  Declaration  of Trust  and  operating  policies  provide  that any
investment  in  facilities  owned by us or  operated by RMR,  persons  expressly
permitted under the Declaration of Trust to own more than 8.5% of our shares, or
any company  affiliated with any of the foregoing must be approved by a majority
of the Board of Trustees not affiliated with any of the foregoing.

         We have in the past  considered  and may in the future  consider,  from
time to time, the acquisition of or merger with other  companies  engaged in the
same business as us; however,  we have no present  agreements or  understandings
concerning any such acquisition or merger.

         Borrowing  Policy.  In  addition  to the  use  of  equity,  we  utilize
short-term  and  long-term  borrowings  to finance  investments.  We have a bank
credit facility of $500 million.  In February 1999, the bank credit facility was
amended to permit the possible  spin-off of our senior housing  properties.  The
bank credit facility (which is guaranteed by most of our  subsidiaries)  is used
for  acquisition  funding on an interim  basis until equity or long-term debt is
raised and for  working  capital  and  general  business  purposes.  Outstanding
borrowings  under  the bank  credit  facility  at  December  31,  1998 were $100
million.

         Our  borrowing  guidelines  established  by our Board of  Trustees  and
covenants  in various debt  agreements  prohibit us from  maintaining  a debt to
equity ratio of greater  than 1 to 1. At December  31, 1998,  our debt to equity
ratio was .62 to 1. Our senior unsecured debt also imposes covenants on us which
may limit our ability to borrow.  The  Declaration  of Trust  prohibits  us from
incurring secured and unsecured indebtedness which in the aggregate exceeds 300%
of our net assets,  unless  approved by a majority of the Board of Trustees  not
affiliated  with us.  There can be no  assurance  that debt  capital will in the
future be available at reasonable rates to fund our operations or growth.


                                       2
<PAGE>



Business Developments Since January 1, 1998

Investments

         During 1998, we acquired 48 office  properties  and five senior housing
properties for an aggregate  amount of $981.6  million and provided  improvement
funding totaling $17.2 million to our existing properties.

Financing

         During 1998, we sold 25,000,000  common shares in a public offering and
sold  6,977,575  common  shares  in four  offerings  to unit  investment  trusts
sponsored by various investment banks,  raising gross proceeds of $612.4 million
(net $580.3  million).  Proceeds from these offerings were used to repay amounts
outstanding  under our revolving bank credit  facility,  to purchase real estate
and for general business purposes.  In addition, we issued 362,217 common shares
due to the conversion of $6.8 million of our convertible subordinated debentures
and issued 286,400 common shares for the purchase of real estate.

         Since January 1, 1998, we have issued the  following  senior  unsecured
fixed rate term  notes:  $100  million of 6.7%  Senior  Notes due 2005 issued in
February  1998;  $160  million of 6-7/8%  Senior Notes due 2002 issued in August
1998;  $143 million of 8-1/2% Senior Notes due 2013 issued in November 1998; and
$90 million of 7-7/8%  Senior Notes due 2009 in March,  1999.  In  addition,  we
issued $50.0 million of senior unsecured remarketed reset notes which are due in
2007 and bear interest at LIBOR plus a premium. The $532.8 million aggregate net
proceeds from these notes were used to repay amounts then outstanding  under our
revolving bank credit facility, to purchase real estate and for general business
purposes.

         In April 1998, we increased and extended our unsecured  revolving  bank
credit  facility with a group of banks for which Dresdner Bank AG acts as agent.
The new credit facility permits  borrowings of up to $500.0 million,  matures in
2002 and bears interest at LIBOR plus a premium.  We recognized an extraordinary
loss on the early  extinguishment  of debt for $2.1  million  as a result of the
write-off of deferred  financing fees  associated  with our previous bank credit
facility.

Other Developments 

         Since  January 1, 1998,  we  disposed  of one office  property  and six
senior  housing  properties  for $39.6  million,  including  two senior  housing
properties for $22.5 million in 1999.  During this period, we also received full
repayments  for  $36.0  million  of  mortgages  secured  by ten  senior  housing
properties, including two senior housing properties for $3.0 million in 1999.

         In December  1998,  we entered an agreement for the  disposition  of 12
senior housing properties.  The net proceeds of this disposition are expected to
be about $65.0 million, and are subject to seller financing.  These transactions
are expected to close within the next 30 to 60 days.

         In December 1998, we announced a plan for a possible separate financing
which  would  include  a  public  offering  of  common  shares  of  one  of  our
subsidiaries, Senior Housing Properties Trust ("SNH"), and a distribution to our
shareholders  of common  shares of that  subsidiary.  The  public  offering  and
distribution constitute one alternative transaction that we are considering with
respect to  financing  our  senior  housing  real  estate  investments.  The SNH
transaction  as described in the SEC filing is not likely to occur under present
market  conditions.  At  this  time,  we  are  considering  various  alternative
transactions  which  would  reposition  our  senior  housing  properties  into a
separate publicly owned REIT.

         On July 1,  1998,  we  changed  our name from  "Health  and  Retirement
Properties  Trust" to "HRPT  Properties  Trust",  reflecting  our  investment in
commercial office properties as well as senior housing real estate.

The Investment Manager

         RMR is a Delaware  corporation  owned by Gerard M.  Martin and Barry M.
Portnoy.  RMR's  principal  executive  offices are located at 400 Centre Street,
Newton,  Massachusetts 02458, and its telephone number is (617) 332-3990.  As of
January 1, 1998,  we entered  into  separate  investment  advisor  and  property
management  agreements with RMR. RMR provides investment,  management,  property
management services and administrative services to us. In addition, an affiliate
of RMR also provides garage management  services to some of our properties.  RMR
also acts as the investment manager to HPT and has other business interests. The
Directors  of RMR are Gerard M. Martin,  Barry M. Portnoy and David J.  Hegarty.
The  officers of RMR are David J.  Hegarty,  President  and

                                       3
<PAGE>
Secretary,  John G. Murray, Executive Vice President, John Popeo, Treasurer, and
Ajay Saini, John A. Mannix, David Lepore and Thomas M. O'Brien, Vice Presidents.
Gerard M. Martin and Barry M.  Portnoy are our  managing  trustees  and David J.
Hegarty, Ajay Saini, John A. Mannix and David M. Lepore are our officers.

Employees

         As of March 16, 1999, we had no employees.  RMR, which  administers our
day-to-day operations, had 177 full-time employees and three active directors as
of that date.

Regulation and Reimbursement

         Our  tenants  and  borrowers  who operate  senior  housing  properties,
including long-term care facilities,  retirement communities and assisted living
centers,  must comply with federal,  state and local statutes and regulations in
order to operate the properties.  The health care industry depends significantly
upon  federal and  federal/state  programs  for  revenues  and, as a result,  is
vulnerable to the budgetary policies of both the federal and state governments.

Certificates  of  Need.  Certain  of  our  investments  are  in  senior  housing
properties  which require  certificates  of need ("CONs")  prior to expansion of
beds or services, certain capital expenditures,  and in some states, a change in
ownership.  CON  requirements  are not  uniform  throughout  the United  States.
Changes  in  CON  requirements  may  affect  competition,  profitability  of the
properties and our opportunities for investment in senior housing properties.

Federal and State Regulation and  Reimbursement.  Our senior housing  properties
are  affected  by a number  of  federal  and  state  statutes  and  regulations,
including state licensing laws, laws related to  reimbursement of long-term care
facilities under Medicare and Medicaid programs and federal and state anti-fraud
and anti-kickback laws. In order to receive Medicare and Medicaid reimbursement,
our tenants and borrowers who operate long-term care facilities must demonstrate
that the  facilities  are in  substantial  compliance  with state  licensing and
federal  certification  standards,  which  include  extensive  resident care and
physical plant  requirements.  Federal and state agencies  regularly monitor the
quality of care  provided  and  regularly  inspect the  physical  conditions  of
long-term care facilities.  Medicare and Medicaid laws limit  reimbursement  for
capital costs and in some circumstances for rental or lease expenses.  Under the
Balanced  Budget Act of 1997  (Public  Law  105-33),  (the  "BBA"),  the federal
Department  of Health  and  Human  Services,  ("HHS"),  has  adopted a  Medicare
prospective  payment  system  for  skilled  nursing  facilities  which  includes
capital-related  costs and is being phased in over three years beginning July 1,
1998. Many states have adopted Medicaid  prospective  payment  systems.  The BBA
also increases  states'  flexibility in establishing  Medicaid rates for nursing
facility  services,  repeals the Boren Amendment under which Medicaid  providers
had the right to challenge the adequacy of Medicaid  rates and  strengthens  the
ability  of HHS and the  states  to  exclude  providers  from the  Medicare  and
Medicaid programs for health care-related offenses.  Reduction in Medicare rates
and  Medicaid  rates  may  have a  negative  effect  on some of our  tenants  or
borrowers and may effect their ability to pay rent or mortgage  interest  income
to us.

         Two  federal  government  studies  are  currently  underway  to provide
background information and make recommendations  regarding the future regulation
of and the possibility of increased governmental funding for the assisted living
industry.  One study is being conducted by the General Accounting Office ("GAO")
for  the  Senate  Special  Committee  on  Aging  and is  focused  upon  consumer
protection  and quality of care issues.  The second study is being  conducted by
the HHS's  Assistant  Secretary for Planning and  Evaluation  and is expected to
touch upon all aspects of the assisted living industry including quality of care
and financing.  A 1998 National Academy for State Health Policy study,  which is
part of this  second  study,  found  that 22 states  had  implemented  licensing
standards specifically for assisted living and draft rules had been issued in an
additional  six states,  and predicted  that every state will soon have reviewed
their  regulations  governing  residential  care  settings.  These  studies  are
expected to be completed  during 1999. We cannot  predict  whether these studies
will result in governmental  policy changes or new  legislation,  or what impact
any changes may have. Based upon our analysis of current economic and regulatory
trends,  we do not  believe  that the  federal  government  is  likely to have a
material  impact upon the current  regulatory  environment in which the assisted
living industry operates unless it also undertakes expanded funding obligations;
and we do not  believe a  materially  increased  financial  commitment  from the
federal government is presently likely.  However, we do anticipate that assisted
living  facilities  will  increasingly  be licensed and regulated by the various
states,  and that with the absence of federal  standards,  the states'  policies
will continue to vary widely.

         HHS's  Health Care  Financing  Administration,  ("HCFA"),  has begun to
implement an  initiative  to increase  the  effectiveness  of  Medicare/Medicaid
nursing  facility  survey and  enforcement  activities  by HCFA and the  states.
HCFA's initiative  follows its July 1998 report to Congress on the effectiveness
of the survey  and  enforcement  system,  several  March 1999  reports by HCFA's
Office of Inspector General  concerning quality of care in nursing homes, a July
1998 GAO report  which found  inadequate  care in a  significant  proportion  of
California nursing

                                       4
<PAGE>

homes and March  1999 GAO  reports  which  recommended  that HCFA and the states
strengthen  their  enforcement  activities to ensure that nursing homes maintain
compliance with federal health care  standards.  In July 1998 and March 1999 the
Senate Special  Committee on Aging held hearings on these issues.  HCFA plans to
focus  survey  and  enforcement   efforts  at  nursing  facilities  with  repeat
violations of Medicare/Medicaid  standards,  including chain-operated facilities
with patterns of  noncompliance.  HCFA also is requiring  state  agencies to use
enforcement   sanctions  and  remedies  more  promptly  and   effectively   when
substandard  care is  identified,  and HCFA is increasing its oversight of state
survey  agencies.  In addition,  HCFA has adopted new regulations  expanding the
ability of HCFA and the states to impose  civil money  penalties in instances of
noncompliance.  Medicare/Medicaid  survey  results for each  facility  are being
posted on the Internet.  A  newly-enacted  federal law  prohibits  nursing homes
which reduce their  Medicaid  participation  from evicting  Medicaid  residents.
Federal  efforts to target fraud and abuse and kickback  violations  by Medicare
and Medicaid providers have also increased. An adverse determination  concerning
any operator's  licensure or eligibility  for  government  reimbursement  or its
compliance with  applicable  federal or state statutes on regulations may affect
such operator and its  affiliates and may affect their ability to pay their rent
or mortgage interest income.

         A number of  legislative  proposals  that would affect major reforms of
the health care system have been  introduced  in  Congress,  such as  additional
Medicare and Medicaid reforms and cost containment  measures.  We cannot predict
whether any such  legislative  proposals  will be adopted  or, if adopted,  what
effect,  if  any,  such  proposals  would  have  on  our  business,  lessees  or
mortgagors.

Competition.

         We compete  with other real  estate  investment  trusts in that each is
continually  seeking  attractive  investment  opportunities in office and senior
housing  facilities and other types of real estate.  We also compete with banks,
non-bank finance companies, leasing companies and insurance companies.

                        FEDERAL INCOME TAX CONSIDERATIONS

         The following summary of federal income tax  considerations is based on
existing  law, and is limited to investors  who own our shares as an  investment
asset rather than as inventory or as property  used in a trade or business.  The
summary does not discuss the particular tax consequences  that might be relevant
to you if you are subject to special rules under the federal income tax law, for
example if you are:

         -        a bank, life insurance company,  regulated investment company,
                  or other financial institution,

         -        a broker or dealer in securities or foreign currency,

         -        a person that has a  functional  currency  other than the U.S.
                  dollar,

         -        a person  who  acquires  our  shares  in  connection  with his
                  employment or other performance of services,

         -        a person subject to alternative minimum tax,

         -        a person  who owns our shares as part of a  straddle,  hedging
                  transaction, or conversion transaction, or

         -        except as specifically  described in the following  summary, a
                  tax-exempt entity or a foreign person.


The  sections of the Internal  Revenue  Code that govern the federal  income tax
qualification  and  treatment of a REIT and its  shareholders  are complex.  The
following  summary  is  thus  qualified  by  applicable  Internal  Revenue  Code
provisions,  related  rules and  regulations  and  administrative  and  judicial
interpretations,  all of which are subject to change,  possibly with retroactive
effect.  Thus,  future  legislative,  judicial,  or  administrative  actions  or
decisions  could  affect the accuracy of  statements  made in this  summary.  No
ruling has been sought from the  Internal  Revenue  Service  with respect to any
matter described in this summary,  and there can be no assurance that the IRS or
a court will agree with the statements  made in this summary.  In addition,  the
following summary is not exhaustive of all possible tax considerations, and does
not  discuss any state,  local,  or foreign  tax  considerations.  For all these
reasons,  we urge you to consult with your tax advisor about the federal  income
tax and other tax consequences of the acquisition,  ownership and disposition of
our shares.


                                       5
<PAGE>



         For purposes of this summary, you are a "U.S. shareholder" if you are a
beneficial owner of our shares and for federal income tax purposes are:

         (1)      a citizen or resident of the United States,

         (2)      a  corporation,  partnership  or  other  entity  treated  as a
                  corporation  or  partnership  for federal income tax purposes,
                  that is  created  or  organized  in or  under  the laws of the
                  United States,  any state thereof or the District of Columbia,
                  unless otherwise provided by Treasury regulations,

         (3)      an estate the  income of which is  subject  to federal  income
                  taxation regardless of its source, or

         (4)      a  trust  if a  court  within  the  United  States  is able to
                  exercise primary  supervision over the  administration  of the
                  trust and one or more United States persons have the authority
                  to control all substantial decisions of the trust, or electing
                  trusts in existence on August 20, 1996 to the extent  provided
                  in Treasury regulations.

Conversely,  you are a "non-U.S.  shareholder" if you are a beneficial  owner of
our shares and are not a U.S. shareholder.

Taxation as a REIT

         We have elected to be taxed as a REIT under Sections 856 through 860 of
the Internal Revenue Code,  commencing with our taxable year ending December 31,
1987. Our REIT election,  assuming continuing compliance with the federal income
tax  qualification  tests summarized  below,  continues in effect for subsequent
taxable  years.  Although  no  assurance  can be given,  we believe  that we are
organized,  have  operated,  and will  continue  to  operate  in a  manner  that
qualifies us to be taxed under the Internal Revenue Code as a REIT.

         As a REIT,  we generally  will not be subject to federal  income tax on
our net income  distributed as dividends to our  shareholders.  Distributions to
our  shareholders  generally  will be includable in their income as dividends to
the extent the  distributions do not exceed our current or accumulated  earnings
and  profits.  A portion of these  dividends  may be  treated  as  capital  gain
dividends,  as explained  below.  No portion of these dividends will be eligible
for the dividends received deduction for corporate  shareholders.  Distributions
in excess of our current or accumulated  earnings and profits  generally will be
treated for federal  income tax purposes as a return of capital to the extent of
a shareholder's  basis in its shares, and will reduce this basis. Our current or
accumulated   earnings  and  profits  will  generally  be  allocated   first  to
distributions  on our outstanding  preferred  shares,  if any, and thereafter to
distributions  on our common shares.  For tax purposes,  our  distributions  per
common share paid in 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996,
1997 and 1998 aggregated $1.085,  $.840,  $1.13,  $1.16,  $1.22,  $1.25,  $1.29,
$1.32, $1.37, $1.41, $1.45 and $1.51 respectively, of which $.289, $.065, $.332,
$.267,  $.104,  $.218, $.335, $.081, $.161, $.350, $.252 and $.096 respectively,
represented  a  return  of  capital.   The  federal   income   taxation  of  our
distributions  to you is discussed in more detail in the  following  sections of
this summary.

         Our  counsel,  Sullivan & Worcester  LLP,  has opined that we have been
organized and have  qualified as a REIT under the Internal  Revenue Code for our
1987 through 1998 taxable years,  and that our current  investments  and plan of
operation will enable us to continue to meet the requirements for  qualification
and  taxation as a REIT under the  Internal  Revenue  Code.  These  opinions are
conditioned  upon the assumption  that our leases,  our declaration of trust and
by-laws, and all other legal documents to which we are or have been a party have
been and will be  complied  with by all  parties  to these  documents,  upon the
accuracy  and  completeness  of the  factual  matters  described  in this Annual
Report, and upon representations made by us. The opinion of Sullivan & Worcester
LLP is  based  on the law as it  exists  today,  but the law may  change  in the
future,  possibly with  retroactive  effect.  Also, an opinion of counsel is not
binding on the Internal  Revenue  Service or the courts,  and the IRS or a court
could take a position different from that expressed by counsel.

         Our  qualification  and taxation as a REIT will depend upon our ability
to meet the various REIT qualification  tests imposed under the Internal Revenue
Code and  summarized  below.  While we believe  that we have  operated  and will
continue to operate in a manner to satisfy the various REIT qualification tests,
Sullivan & Worcester  LLP has not  reviewed  and will not review our  compliance
with these tests on a continuing  basis.  If we fail to qualify as a REIT in any
year,  we will be subject to federal  income  taxation  as if we were a domestic
corporation,  and our shareholders  will be taxed like  shareholders of ordinary
corporations. In this event, we could be subject to significant tax liabilities,
and the amount of cash available for  distribution  to our  shareholders  may be
reduced or eliminated.


                                       6
<PAGE>

         If we qualify for taxation as a REIT and distribute to our shareholders
at least 95% of our "real estate  investment trust taxable income,"  computed by
excluding any net capital gain and before taking into account any dividends paid
deduction for which we are eligible, we generally will not be subject to federal
corporate income taxes on the amount  distributed.  However,  even if we qualify
for federal  income  taxation as a REIT, we may be subject to federal tax in the
following circumstances:

         -        We  will  be  taxed  at   regular   corporate   rates  on  any
                  undistributed  "real estate  investment trust taxable income,"
                  including our undistributed net capital gains.

         -        If our alternative  minimum taxable income exceeds our taxable
                  income, we may be subject to the corporate alternative minimum
                  tax on items of tax preference.

         -        If we have (1) net income  from the sale or other  disposition
                  of  "foreclosure  property" that is held primarily for sale to
                  customers  in the  ordinary  course of  business  or (2) other
                  nonqualifying  income from  foreclosure  property,  we will be
                  subject to tax on this income at the highest regular corporate
                  rate, which is currently 35%.

         -        If we have net income from prohibited transactions,  including
                  sales or other  dispositions  of  inventory  or property  held
                  primarily  for sale to  customers  in the  ordinary  course of
                  business other than foreclosure property,  this income will be
                  subject to tax at a 100% rate.

         -        If we fail to  satisfy  the 75% gross  income  test or the 95%
                  gross income test discussed  below,  but nonetheless  maintain
                  our  qualification  as a REIT,  we will be subject to tax at a
                  100% rate on the  greater  of the  amount by which we fail the
                  75% or the 95% test,  multiplied  by a  fraction  intended  to
                  reflect our profitability.

         -        If we fail to  distribute  for any calendar  year at least the
                  sum of (1) 85% of our REIT ordinary  income for that year, (2)
                  95% of our REIT capital gain net income for that year, and (3)
                  any undistributed  taxable income from prior periods,  we will
                  be subject  to a 4% excise  tax on the excess of the  required
                  distribution over the amounts actually distributed.

         -        If we acquire an asset from a corporation  in a transaction in
                  which our basis in the asset is determined by reference to the
                  basis of the  asset  in the  hands of a  present  or  former C
                  corporation,  and if we  subsequently  recognize  gain  on the
                  disposition of this asset during the ten-year period beginning
                  on the date on which  the  asset  ceased  to be owned by the C
                  corporation,  then we  will  pay  tax at the  highest  regular
                  corporate tax rate,  which is currently  35%, on the lesser of
                  (1) the excess of the fair market  value of the asset over the
                  C  corporation's  basis in the  asset  on the  date the  asset
                  ceased  to be  owned by the C  corporation  or (2) the gain we
                  recognize in the disposition.

         If we invest in properties in foreign countries, our profits from these
investments  will  generally  be subject  to tax in the  countries  where  those
properties  are located.  The nature and amount of this  taxation will depend on
the laws of the countries where the properties are located.  If we operate as we
currently   intend,   then  our  taxable  income  will  be  distributed  to  our
shareholders  and we will not pay  federal  corporate  income  tax,  and thus we
generally  cannot  recover  the cost of foreign  taxes  imposed  on our  foreign
investments  by  claiming  foreign tax  credits  against our federal  income tax
liability.  We will also not be able to pass  through  to our  shareholders  any
foreign tax credits.

         If we fail to qualify  for  federal  income  taxation  as a REIT in any
taxable year,  then we will be subject to federal taxes in the same manner as an
ordinary corporation.  Distributions to our shareholders in any year in which we
fail  to  qualify  as a REIT  will  not be  deductible  by us,  nor  will  these
distributions  be  required  to be made.  In that  event,  to the  extent of our
current  and  accumulated   earnings  and  profits,  all  distributions  to  our
shareholders  will be  taxable  as  ordinary  dividend  income,  and  subject to
limitations  in the Internal  Revenue  Code will be eligible  for the  dividends
received  deduction for  corporations.  We would also generally be  disqualified
from  federal  income  taxation as a REIT for the four taxable  years  following
disqualification.  Failure to qualify for federal income  taxation as a REIT for
even  one  year  could  result  in our  incurring  substantial  indebtedness  or
liquidating   substantial   investments   in   order   to  pay   the   resulting
corporate-level taxes.


                                       7
<PAGE>



REIT Qualification Requirements

         General  Requirements.  Section  856(a) of the  Internal  Revenue  Code
defines a REIT as a corporation, trust or association:

         (1)      that is managed by one or more trustees or directors;

         (2)      the beneficial ownership of which is evidenced by transferable
                  shares or by transferable certificates of beneficial interest;

         (3)      that would be taxable, but for Sections 856 through 859 of the
                  Internal Revenue Code, as an ordinary domestic corporation;

         (4)      that is  neither  a  financial  institution  nor an  insurance
                  company subject to special  provisions of the Internal Revenue
                  Code;

         (5)      the  beneficial  ownership  of  which  is  held by 100 or more
                  persons;

         (6)      that is not  "closely  held" as  defined  under  the  personal
                  holding company stock ownership test, as described below; and

         (7)      that  meets  other   tests   regarding   income,   assets  and
                  distributions, all as described below.

Section 856(b) of the Internal Revenue Code provides that conditions (1) to (4),
inclusive,  must be met during the entire  taxable year and that  condition  (5)
must be met during at least 335 days of a taxable year of 12 months, or during a
proportionate  part of a taxable year of less than 12 months.  Section 856(h)(2)
of the Internal  Revenue Code provides that  conditions  (5) and (6) need not be
met for our first  taxable  year as a REIT.  We believe  that we have  satisfied
conditions (1) to (6),  inclusive,  during the requisite periods for each of our
taxable years ending on or before  December 31, 1998,  and that we will continue
to satisfy those conditions.
There can, however, be no assurance in this regard.

         By reason of condition (6) above, we will fail to qualify as a REIT for
a taxable  year if at any time during the last half of the year more than 50% in
value of our outstanding shares is owned directly or indirectly by five or fewer
individuals.  To help  comply  with  condition  (6),  our  declaration  of trust
contains provisions  restricting transfers of our shares and giving the trustees
the power to redeem our shares.  In addition,  commencing  with our 1998 taxable
year, if we comply with applicable  Treasury  regulations for  ascertaining  the
ownership of our  outstanding  shares and do not know, or exercising  reasonable
diligence would not have known, whether we failed condition (6), then we will be
treated as  satisfying  condition  (6).  Also,  our failure to comply with these
applicable  Treasury  regulations for ascertaining  ownership of our outstanding
shares may  result in a penalty to us of  $25,000,  or $50,000  for  intentional
violations.  Accordingly,  we intend to comply  with these  applicable  Treasury
regulations, and request annually from record holders of significant percentages
of our shares  information  regarding  the  ownership  of our shares.  Under our
declaration of trust, our shareholders are required to respond to these requests
for information.

         The rule that an entity  will fail to  qualify  as a REIT for a taxable
year if at any time  during  the last half of the year more than 50% in value of
its  outstanding  shares  is  owned  directly  or  indirectly  by five or  fewer
individuals  is relaxed in the case of pension  trusts  owning shares in a REIT.
Shares in a REIT held by a pension  trust are  treated as held  directly  by the
pension trust's  beneficiaries in proportion to their actuarial interests in the
pension  trust.  Consequently,  five or fewer pension trusts could own more than
50% of the interests in an entity  without  jeopardizing  that entity's  federal
income tax qualification as a REIT.  However, as discussed below, if the REIT is
a  "pension-held  REIT," each  pension  trust owning more than 10% of the REIT's
shares by value  generally will be taxed on a portion of the dividends  received
from the REIT,  based on the ratio of (1) the REIT's  gross  income for the year
that would be  unrelated  trade or business  income if the REIT were a qualified
pension trust to (2) the REIT's total gross income for the year.

         Our Wholly-Owned  Subsidiaries.  Section 856(i) of the Internal Revenue
Code provides that any corporation  100% of whose stock is held by the REIT is a
qualified REIT  subsidiary  and shall not be treated as a separate  corporation.
The  assets,  liabilities  and  items of  income,  deduction,  and  credit  of a
qualified REIT subsidiary are treated as the REIT's. We believe that each of our
direct  and  indirect  wholly-owned  subsidiaries  is  either a  qualified  REIT
subsidiary within the meaning of Section 856(i) of the Internal Revenue Code, or
a  noncorporate  entity that for federal  income tax  purposes is not treated as
separate  from its owner  pursuant  to


                                       8
<PAGE>
regulations  under Section 7701 of the Internal  Revenue Code. Thus, in applying
all the federal  income tax REIT  qualification  requirements  described in this
summary, our direct and indirect wholly-owned  subsidiaries are ignored, and all
assets,  liabilities and items of income, deduction and credit of our direct and
indirect wholly-owned subsidiaries are treated as ours.

         Our  Investments  through  Partnerships.  We have invested,  and in the
future may invest,  in real estate through one or more limited  partnerships  or
limited liability  companies that are treated as partnerships for federal income
tax  purposes.  In the  case  of a REIT  that  is a  partner  in a  partnership,
regulations  under the Internal  Revenue Code provide that,  for purposes of the
REIT qualification requirements regarding income and assets discussed below, the
REIT is deemed to own its  proportionate  share of the assets of the partnership
corresponding  to the REIT's  proportionate  capital interest in the partnership
and is deemed to be entitled to the income of the  partnership  attributable  to
this proportionate share. In addition,  for these purposes, the character of the
assets and gross income of the partnership  generally  retain the same character
in the hands of the REIT.  Accordingly,  our proportionate  share of the assets,
liabilities,  and items of income of each  partnership in which we are a partner
are treated as ours for purposes of the income  tests and asset tests  discussed
below.  In contrast,  for  purposes of the  distribution  requirement  discussed
below,  we must take into  account as a partner  our  distributive  share of the
partnership's  income as determined  under the general  federal income tax rules
governing  partners  and  partnerships  under  Sections  701  through 777 of the
Internal Revenue Code.

         Income  Tests.  There have been three  gross  income  requirements  for
qualification  as a REIT under the Internal Revenue Code, but only the first two
still apply in our current taxable years:

         -        First,  at least  75% of our  gross  income,  excluding  gross
                  income  from  sales or other  dispositions  of  property  held
                  primarily for sale, must be derived from investments  relating
                  to real  property,  including  "rents from real  property"  as
                  defined  under  Section  856 of  the  Internal  Revenue  Code,
                  mortgages on real property,  or shares in other REITs. When we
                  receive new capital in exchange  for our shares or in a public
                  offering  of  five-year  or longer  debt  instruments,  income
                  attributable  to the temporary  investment of this new capital
                  in stock or a debt  instrument,  if received or accrued within
                  one year of our receipt of the new capital,  is generally also
                  qualifying income under the 75% test.

         -        Second,  at least 95% of our  gross  income,  excluding  gross
                  income  from  sales or other  dispositions  of  property  held
                  primarily for sale,  must be derived from a combination of (1)
                  items  of real  property  income  that  satisfy  the 75%  test
                  described  above,  (2) dividends,  (3) interest,  (4) payments
                  under interest rate swap or cap agreements,  options,  futures
                  contracts,  forward  rate  agreements,  or  similar  financial
                  instruments,  and (5) gain  from the  sale or  disposition  of
                  stock, securities, or real property.

         -        Third, for our 1997 and prior taxable years,  less than 30% of
                  our gross income must have been  derived  from (1)  short-term
                  gain  from  the  sale  or  other   disposition   of  stock  or
                  securities,  including stock in other REITs or dispositions of
                  interest  rate  swap  or cap  agreements,  and (2)  gain  from
                  prohibited transactions or other dispositions of real property
                  held  for  less  than  four  years,   other  than  involuntary
                  conversions and sales of foreclosure property.

For  purposes  of  these  three  requirements,  income  derived  from a  "shared
appreciation  provision"  in a  mortgage  loan  is  generally  treated  as  gain
recognized on the sale of the property to which it relates. Although we will use
our best efforts to ensure that the income  generated by our investments will be
of a type which satisfies both the 75% and 95% gross income tests,  there can be
no assurance in this regard.

         In order to qualify as "rents from real property"  under Section 856 of
the Internal Revenue Code, several requirements must be met:

         -        First,  the  amount  of rent  received  generally  must not be
                  determined  from the income or profits of any person,  but may
                  be based on receipts or sales.

         -        Second,  rents do not  qualify if the REIT owns 10% or more of
                  the  tenant,   whether   directly  or  after   application  of
                  attribution  rules.  While we intend not to lease  property to
                  any party if rents  from that  property  would not  qualify as
                  rents from real  property,  application  of the 10%  ownership
                  rule  is  dependent   upon  complex   attribution   rules  and
                  circumstances  that may be beyond our  control.  For  example,
                  ownership  directly or by attribution by an unaffiliated third
                  party of more than 10% of our  shares and more than 10% of the
                  stock of one of our  lessees  would  result  in this  lessee's

                                        9
<PAGE>
                  rents  not  qualifying  as  rents  from  real  property.   Our
                  declaration  of trust  provides  that  transfers  or purported
                  acquisitions, directly or by attribution, of shares that could
                  result in our  disqualification  as a REIT under the  Internal
                  Revenue  Code are null and void and  permits  the  trustees to
                  repurchase  shares to the extent  necessary  to  maintain  our
                  status  as  a  REIT   under   the   Internal   Revenue   Code.
                  Nevertheless,  there can be no assurance that these provisions
                  in our  declaration  of trust will be effective to prevent our
                  REIT  status  under  the  Internal  Revenue  Code  from  being
                  jeopardized under the 10% lessee affiliate rule.  Furthermore,
                  there can be no assurance  that we will be able to monitor and
                  enforce  these   restrictions,   nor  will  our   shareholders
                  necessarily be aware of ownership of shares attributed to them
                  under the Internal Revenue Code's attribution rules.

         -        Third,  in order for rents to qualify,  we generally  must not
                  manage  the  property  or furnish  or render  services  to the
                  tenants  of  the  property,   except  through  an  independent
                  contractor  from  whom  we  derive  no  income.  There  is  an
                  exception to this rule permitting a REIT to perform  customary
                  tenant  services of the sort which a  tax-exempt  organization
                  could  perform   without   being   considered  in  receipt  of
                  "unrelated  business  taxable  income"  as  defined in Section
                  512(b)(3) of the Internal  Revenue Code. In addition,  for our
                  1998  and  later  taxable   years,  a  de  minimis  amount  of
                  noncustomary  services  will not  disqualify  income as "rents
                  from real property" so long as the value of the  impermissible
                  services  does  not  exceed  1% of  the  gross  income  of the
                  property.

         -        Fourth,  if rent  attributable to personal  property leased in
                  connection with a lease of real property is 15% or less of the
                  total  rent   received   under  the   lease,   then  the  rent
                  attributable  to personal  property will qualify as rents from
                  real property; but if this 15% threshold is exceeded, the rent
                  attributable  to personal  property  will not so qualify.  The
                  portion of rental income treated as  attributable  to personal
                  property is determined according to the ratio of the tax basis
                  of the  personal  property  to the total tax basis of the real
                  and personal property which is rented.

Substantially all of our gross income has been and is expected to continue to be
attributable  to rental  income.  We believe that all or  substantially  all our
rents have  qualified  and will  continue to qualify as rents from real property
for purposes of Section 856 of the Internal Revenue Code, but if for some reason
a significant amount of our rents do not so qualify,  we may fail the 95% or 75%
gross income tests.

         In order to qualify as mortgage  interest on real property for purposes
of the 75% test,  interest  must  derive  from a mortgage  loan  secured by real
property  with a fair market value at least equal to the amount of the loan.  If
the amount of the loan exceeds the fair market value of the real  property,  the
interest  will be treated as interest on a mortgage loan in a ratio equal to the
ratio of the fair market  value of the real  property to the total amount of the
mortgage loan.

         Any gain we realize on the sale of property  held as inventory or other
property held primarily for sale to customers in the ordinary course of business
will be treated as income  from a  prohibited  transaction  that is subject to a
penalty tax at a 100% rate. This prohibited  transaction income also may have an
adverse  effect upon our ability to satisfy the 75% and 95% gross  income  tests
for federal income tax qualification as a REIT. We cannot provide  assurances as
to  whether  or not the IRS might  successfully  assert  that one or more of our
dispositions  is subject to the 100% penalty tax.  However,  we believe that any
occasional  disposition of real estate that we might make will not be subject to
the 100% penalty tax,  because we intend to: (1) own our real estate  assets for
investment with a view to long-term income production and capital  appreciation,
(2) engage in the business of developing, owning and operating our existing real
estate assets and acquiring,  developing, owning and operating other real estate
assets,  and (3) make occasional  dispositions of real estate assets  consistent
with our long-term investment objectives.

         If we fail to satisfy one or both of the 75% or 95% gross  income tests
for any taxable  year, we may  nevertheless  qualify as a REIT for that year if:
(1) our  failure  to meet the test was due to  reasonable  cause  and not due to
willful neglect,  (2) we report the nature and amount of each item of our income
included  in the 75% or 95%  gross  income  tests  for  that  taxable  year on a
schedule  attached to our tax return,  and (3) any incorrect  information on the
schedule  was not due to fraud with  intent to evade tax.  It is  impossible  to
state whether in all  circumstances  we would be entitled to the benefit of this
relief  provision  for the 75% and 95% gross income  tests.  Even if this relief
provision  did apply to us, a  special  tax  equal to 100% is  imposed  upon the
greater  of the  amount  by  which  we  failed  the 75%  test  or the 95%  test,
multiplied  by a fraction  intended  to reflect  our  profitability.  No similar
relief  provision  is  available  if we failed the 30% gross income test for any
taxable year in which that test was applicable.

         Asset Tests. At the close of each quarter of each taxable year, we must
also satisfy three percentage tests relating to the nature of our assets:

                                       10
<PAGE>
         -        First,  at least  75% of the value of our  total  assets  must
                  consist of (1) real  estate  assets,  (2) cash and cash items,
                  (3) shares in other REITs, (4) government securities,  and (5)
                  stock or debt  instruments  purchased with proceeds of a stock
                  offering  or an  offering  of our debt with a term of at least
                  five years,  but only for the one-year period  commencing with
                  our receipt of the offering proceeds.

         -        Second,  not  more  than  25%  of  our  total  assets  may  be
                  represented  by securities  other than those  securities  that
                  count favorably toward the preceding 75% asset test.

         -        Third, of the investments  included in the preceding 25% asset
                  class,  the value of any one issuer's  securities  that we own
                  may not exceed 5% of the value of our total assets, and we may
                  not own more than 10% of any one issuer's  outstanding  voting
                  securities.

When a failure to satisfy the above asset tests results from an  acquisition  of
securities  or other  property  during a quarter,  the  failure  can be cured by
disposition of sufficient nonqualifying assets within 30 days after the close of
that quarter.  We have maintained and intend to continue to maintain  records of
the value of our assets to document  our  compliance  with the above three asset
tests, and to take actions as may be required to cure any failure to satisfy the
tests within 30 days after the close of any quarter.

         Annual Distribution Requirements. In order to qualify for taxation as a
REIT  under  the  Internal   Revenue  Code,  we  are  required  to  make  annual
distributions other than capital gain dividends to our shareholders in an amount
at least equal to the excess of:

         (A)      the  sum of  (1)  95% of our  "real  estate  investment  trust
                  taxable  income,"  as defined in Section  857 of the  Internal
                  Revenue  Code,  but computed  without  regard to the dividends
                  paid  deduction and net capital  gain,  and (2) 95% of our net
                  income  after  tax,  if  any,   from   property   received  in
                  foreclosure, over

         (B)      the sum of our qualifying noncash income, e.g., imputed rental
                  income or income from  transactions  inadvertently  failing to
                  qualify as like-kind exchanges.

These distributions must be paid in the taxable year to which they relate, or in
the following  taxable year if declared before we timely file our tax return for
the earlier taxable year and if paid on or before the first regular distribution
payment after that  declaration.  Dividends  declared in October,  November,  or
December  and paid during the  following  January will be treated as having been
both paid and received on December 31 of the prior taxable year. A  distribution
which is not pro rata within a class of our beneficial  interests  entitled to a
distribution,  or  which is not  consistent  with the  rights  to  distributions
between our classes of beneficial interests, is a preferential distribution that
is not taken into  consideration  for purposes of the distribution  requirement,
and  accordingly  the payment of a  preferential  distribution  could affect our
ability  to  meet  the  distribution   requirement.   Taking  into  account  our
distribution policies, including our dividend reinvestment plan, we believe that
we  have  not  made  and  expect   that  we  will  not  make  any   preferential
distributions.  The distribution requirements may be waived by the IRS if a REIT
establishes  that it failed to meet them by reason of  distributions  previously
made to meet the  requirements  of the 4% excise  tax  discussed  below.  To the
extent that we do not distribute all of our net capital gain and all of our real
estate investment trust taxable income,  as adjusted,  we will be subject to tax
on undistributed amounts.

         In  addition,  we will be  subject  to a 4% excise tax to the extent we
fail within a calendar year to make required  distributions  to our shareholders
of 85% of our  ordinary  income and 95% of our capital  gain net income plus the
excess,  if any, of the  "grossed up required  distribution"  for the  preceding
calendar year over the amount treated as distributed for that preceding calendar
year.  For this  purpose,  the term "grossed up required  distribution"  for any
calendar  year is the sum of our taxable  income for the  calendar  year without
regard to the deduction  for  dividends  paid and all amounts from earlier years
that are not treated as having been distributed under the provision.

         If we do not have  enough cash or other  liquid  assets to meet the 95%
distribution  requirements,  we may find it necessary to arrange for new debt or
equity financing to provide funds for required  distributions,  or else our REIT
status for federal income tax purposes could be  jeopardized.  We can provide no
assurance  that  financing  would be available  for these  purposes on favorable
terms.

         If we fail to distribute  sufficient  dividends for any year, we may be
able to rectify this failure by paying "deficiency dividends" to shareholders in
a later year.  These  deficiency  dividends may be included in our deduction for
dividends  paid for the earlier  year,  but an interest  charge would be imposed
upon us for the delay in  distribution.  

                                       11
<PAGE>
Although  we may be  able  to  avoid  being  taxed  on  amounts  distributed  as
deficiency  dividends,  we will  remain  liable for the 4% excise tax  discussed
above.

Depreciation and Federal Income Tax Treatment of Leases

         For federal  income tax  purposes,  including for purposes of computing
our earnings and  profits,  we have  generally  elected to  depreciate  our real
property on a straight-line  basis over 40 years and our personal  property over
12 years.  We will be entitled to  depreciation  deductions  from our facilities
only if we are  treated  for  federal  income tax  purposes  as the owner of the
facilities.  This means that the leases of the facilities must be classified for
federal  income tax purposes as true  leases,  rather than as sales or financing
arrangements. As to approximately 0.7% of our leased facilities which constitute
personal property, it is not entirely clear that we will be treated as the owner
of this personal property.

         In the case of sale-leaseback  arrangements,  the IRS could assert that
we realized prepaid rental income in the year of purchase to the extent that the
value of a leased property exceeds our purchase price for that property. Because
of the lack of clear  precedent,  we cannot provide  assurances as to whether or
not the IRS might successfully  assert the existence of prepaid rental income in
our sale-leaseback transactions.

         Additionally,  Section 467 of the Internal Revenue Code, which concerns
leases with increasing rents, may apply to those of our leases which provide for
rents that  increase  from one period to the next.  Section 467 of the  Internal
Revenue Code  provides that in the case of a so-called  "disqualified  leaseback
agreement,"  rental income must be accrued at a constant  rate.  Where  constant
rent  accrual is  required,  we could  recognize  rental  income from a lease in
excess of cash rents and, as a result,  encounter  difficulty in meeting the 95%
distribution requirement.  "Disqualified leaseback agreements" include leaseback
transactions  where a principal purpose for providing  increasing rent under the
agreement is the  avoidance of federal  income tax.  Because  Section 467 of the
Internal Revenue Code directs the Treasury to issue  regulations  providing that
rents will not be treated as  increasing  for tax avoidance  purposes  where the
increases  are based upon a fixed  percentage  of lessee  receipts,  and because
regulations  proposed to be effective for  "disqualified  leaseback  agreements"
entered into after June 3, 1996 adopt this rule, the additional  rent provisions
in our leases that are based on a fixed percentage of lessee receipts  generally
should  not  cause the  leases to be  "disqualified  leaseback  agreements."  In
addition,  the legislative  history of Section 467 of the Internal  Revenue Code
indicates  that  the  Treasury  should  issue  regulations  under  which  leases
providing for fluctuations in rents by no more than a reasonable percentage from
the average rent payable over the term of the lease will be deemed not motivated
by tax avoidance, and the proposed regulations permit a 10% fluctuation.

Taxation of U.S. Shareholders

         As long as we qualify as a REIT for  federal  income  tax  purposes,  a
distribution  by us to our  U.S.  shareholders  that  we do not  designate  as a
capital  gain  dividend  will be treated as an ordinary  income  dividend to the
extent that it is made out of our current or  accumulated  earnings and profits.
Distributions  made out of our current or accumulated  earnings and profits that
we properly  designate  as capital  gain  dividends  will be taxed as  long-term
capital gains,  as discussed  below, to the extent they do not exceed our actual
net capital gain for the taxable year. However,  corporate U.S. shareholders may
be required to treat up to 20% of any capital gain  dividend as ordinary  income
under  Section  291 of the Tax Code.  In  addition,  we may elect to retain  net
capital gain income and treat it as constructively distributed. In that case,

         (1)      we will be taxed at regular  corporate capital gains tax rates
                  on retained amounts,

         (2)      each  U.S.   shareholder  will  be  taxed  on  its  designated
                  proportionate  share  of our  retained  net  capital  gains as
                  though that amount were  distributed  and designated a capital
                  gain dividend,

         (3)      each U.S. shareholder will receive a credit for its designated
                  proportionate share of the tax that we pay,

         (4)      each U.S.  shareholder will increase its adjusted basis in our
                  shares by the excess of the amount of its proportionate  share
                  of these  retained  net capital  gains over its  proportionate
                  share of this tax that we pay, and

         (5)      both  we  and  our  corporate  U.S.   shareholders  will  make
                  commensurate   adjustments  in  our  respective  earnings  and
                  profits for federal income tax purposes.

If we elect to retain our net capital gain in this fashion,  we will notify U.S.
shareholders of the relevant tax  information  within 60 days after the close of
the affected  taxable year.  Because we are a REIT,  neither our ordinary 


                                       12
<PAGE>
income  dividends nor our capital gain  dividends will qualify for any dividends
received deduction for our corporate U.S. shareholders.

         For  noncorporate  U.S.  shareholders,   long-term  capital  gains  are
generally  taxed  at  maximum  rates of 20% or 25%,  depending  upon the type of
property  disposed of and the previously  claimed  depreciation  with respect to
this property at the time of  disposition.  If for any taxable year we designate
as capital gain  dividends any portion of the dividends  paid or made  available
for the year to our  shareholders,  including our retained capital gains treated
as capital gain  dividends,  then the portion of the capital  gain  dividends so
designated  that will be allocated  to the holders of a particular  class of our
shares will on a percentage basis equal the ratio of (1) the amount of the total
dividends  paid or made  available  for the year to the holders of that class of
shares,  to (2) the  total  dividends  paid or made  available  for the  year to
holders of all classes of our shares. We will similarly designate the portion of
any capital gain dividend that is to be taxed to noncorporate U.S.  shareholders
at the maximum rates of 20% or 25% so that the designations will be proportional
among all classes of our shares.

         Distributions in excess of current or accumulated  earnings and profits
will not be taxable to a U.S.  shareholder to the extent that they do not exceed
the U.S.  shareholder's  adjusted basis in our shares,  but will reduce the U.S.
shareholder's basis in our shares. To the extent that these excess distributions
exceed the adjusted basis of a U.S.  shareholder's shares, they will be included
in income as capital gain,  with long-term gain generally  taxed to noncorporate
U.S.  shareholders at a maximum rate of 20%. No U.S.  shareholder may include on
his  federal  income tax return  any of our net  operating  losses or any of our
capital losses.

         Dividends that we declare in October, November or December of a taxable
year to  shareholders of record on a date in those months will be deemed to have
been received by shareholders  on December 31 of that taxable year,  provided we
actually pay these dividends during the following January.  Also, items that are
treated  differently for regular and alternative  minimum tax purposes are to be
allocated between a REIT and its shareholders  under Treasury  regulations which
are to be  prescribed.  It is possible  that these  Treasury  regulations  would
require tax preference items to be allocated to our shareholders with respect to
any accelerated depreciation or other tax preference items that we claim.

         The sale or exchange of our shares will result in  recognition  of gain
or loss to a U.S.  shareholder in an amount equal to the difference  between the
amount realized and the U.S.  shareholder's adjusted basis in the shares sold or
exchanged. This gain or loss will be capital gain or loss, and will be long-term
capital  gain or loss if the U.S.  shareholder's  holding  period in the  shares
exceeds  one  year.   Long-term   capital  gains  will  generally  be  taxed  to
noncorporate U.S.  shareholders at a maximum rate of 20%. In addition,  any loss
upon a sale or  exchange  of our shares by a U.S.  shareholder  who has held our
shares for six months or less will  generally be treated as a long-term  capital
loss to the  extent of our  distributions  required  to be  treated  by the U.S.
shareholder as long-term capital gain. The relevant  six-month holding period is
determined  after  applying the holding  period  rules under  Section 857 of the
Internal Revenue Code.

         U.S.  shareholders  other than corporations who borrow funds to finance
their  acquisition  of our shares  could be limited in the amount of  deductions
allowed for the interest paid on the indebtedness incurred. Under Section 163(d)
of the Internal Revenue Code, interest paid or accrued on indebtedness  incurred
or  continued to purchase or carry  property  held for  investment  is generally
deductible  only to the extent of the investor's net investment  income.  A U.S.
shareholder's  net  investment  income will  include  ordinary  income  dividend
distributions and, if an appropriate  election is made by the U.S.  shareholder,
capital gain dividend  distributions  received from us;  however,  distributions
treated as a nontaxable  return of the U.S.  shareholder's  basis will not enter
into the computation of net investment income. Under Section 469 of the Internal
Revenue Code, U.S.  shareholders,  except for  corporations  that are other than
closely held C corporations or personal service corporations, generally will not
be entitled to deduct losses from  so-called  passive  activities  except to the
extent of their  income from  passive  activities.  For purposes of these rules,
distributions  received  by a U.S.  shareholder  from us will not be  treated as
income from a passive  activity  and thus will not be available to offset a U.S.
shareholder's passive activity losses.

Taxation of Tax-Exempt U.S. Shareholders

         In Revenue Ruling 66-106,  the IRS ruled that amounts  distributed by a
REIT to a tax-exempt  employees'  pension  trust did not  constitute  "unrelated
business  taxable  income,"  even  though  the REIT may have  financed  some its
activities  with   acquisition   indebtedness.   Although  revenue  rulings  are
interpretive  in nature and subject to  revocation or  modification  by the IRS,
based  upon  the  analysis  and  conclusion  of  Revenue   Ruling  66-106,   our
distributions  made to U.S.  shareholders  that are  tax-exempt  pension  plans,
individual  retirement accounts,  or other qualifying tax-exempt entities should
not constitute  unrelated business taxable income,  unless the U.S.  shareholder



                                       13
<PAGE>
has  financed  its  acquisition  of our shares with  "acquisition  indebtedness"
within the meaning of the Internal  Revenue  Code,  or our shares are  otherwise
used in an unrelated trade or business conducted by the U.S.
shareholder.

         Special rules apply to tax-exempt pension trusts,  including  so-called
401(k) plans but excluding individual  retirement accounts or government pension
plans,  that own more  than  10% by value of a  "pension-held  REIT" at any time
during a taxable  year.  The pension trust may be required to treat a percentage
of all  dividends  received  from  the  pension-held  REIT  during  the  year as
unrelated business taxable income. This percentage is equal to the ratio of

         (1)      the pension-held  REIT's gross income derived from the conduct
                  of  unrelated  trades  or  businesses,  determined  as if  the
                  pension-held REIT were a tax-exempt  pension fund, less direct
                  expenses related to that income, to

         (2)      the  pension-held  REIT's gross income from all sources,  less
                  direct expenses related to that income,

except that this percentage shall be deemed to be zero unless it would otherwise
equal  or  exceed  5%.  A REIT  is a  pension-held  REIT  if  (a)  the  REIT  is
"predominantly  held" by  tax-exempt  pension  trusts,  and (b) the  REIT  would
otherwise fail to satisfy the "closely  held"  ownership  requirement  discussed
above if the  stock or  beneficial  interests  in the  REIT  held by  tax-exempt
pension  trusts were viewed as held by tax-exempt  pension trusts rather than by
their  respective  beneficiaries.  A REIT is  predominantly  held by  tax-exempt
pension  trusts if at least one  tax-exempt  pension trust owns more than 25% by
value of the REIT's stock or beneficial interests,  or if one or more tax-exempt
pension  trusts,  each  owning  more  than 10% by value of the  REIT's  stock or
beneficial interests,  own in the aggregate more than 50% by value of the REIT's
stock or beneficial interests. Because of the restrictions in our declaration of
trust regarding the ownership  concentration  of our shares,  we believe that we
are not and will not be a  pension-held  REIT.  However,  because our shares are
publicly  traded,  we cannot  completely  control  whether or not we are or will
become a pension-held REIT.

Taxation of Non-U.S. Shareholders

         The  rules   governing   the  federal   income   taxation  of  non-U.S.
shareholders  are complex,  and the  following  discussion is intended only as a
summary of these rules.  If you are a non-U.S.  shareholder,  you should consult
with your own tax advisor to determine the impact of federal,  state, local, and
foreign  tax  laws,   including  any  tax  return  filing  and  other  reporting
requirements, with respect to your investment in our shares.

         In general,  a non-U.S.  shareholder will be subject to regular federal
income  tax in the same  manner as our U.S.  shareholders  with  respect  to its
investment in our shares if that  investment is  effectively  connected with the
non-U.S.  shareholder's  conduct of a trade or business in the United States. In
addition,  a corporate  non-U.S.  shareholder that receives income that is or is
deemed  effectively  connected with a trade or business in the United States may
also be subject to the 30% branch profits tax under Section 884 of the Tax Code,
which is payable in  addition  to regular  federal  corporate  income  tax.  The
balance  of  this   discussion  on  the  federal  income  taxation  of  non-U.S.
shareholders addresses only those non-U.S.  shareholders whose investment in our
shares is not  effectively  connected with the conduct of a trade or business in
the United States.

         A distribution by us to a non-U.S. shareholder that is not attributable
to gain  from  the  sale or  exchange  by us of a United  States  real  property
interest and that is not  designated  by us as a capital gain  dividend  will be
treated as an  ordinary  income  dividend  to the extent  that it is made out of
current or accumulated  earnings and profits.  A distribution  of this type will
generally be subject to federal  income tax and  withholding at the rate of 30%,
or the  lower  rate  that  may be  specified  by a tax  treaty  if the  non-U.S.
shareholder has in the manner prescribed by the IRS demonstrated its entitlement
to benefits  under a tax  treaty.  Because we cannot  determine  our current and
accumulated earnings and profits until the end of our taxable year,  withholding
at the rate of 30% or applicable  lower treaty rate will be imposed on the gross
amount of any  distribution  to a non-U.S.  shareholder  that we make and do not
designate  a  capital  gain  dividend.   Notwithstanding   this  withholding  on
distributions  in excess of our current and  accumulated  earnings  and profits,
these  distributions  are a nontaxable return of capital to the extent that they
do not exceed the non-U.S.  shareholder's  adjusted basis in our shares, and the
nontaxable  return of capital will reduce the adjusted basis in these shares. To
the extent that distributions in excess of current and accumulated  earnings and
profits  exceed the non-U.S.  shareholder's  adjusted  basis in our shares,  the
distributions will give rise to tax liability if the non-U.S.  shareholder would
otherwise be subject to tax on any gain from the sale or exchange of our shares,
as discussed below. A non-U.S. shareholder may seek a refund of amounts withheld
on  distributions  to him in excess of our current and accumulated  earnings and
profits, provided that the required information is furnished to the IRS.


                                       14
<PAGE>
         For any year in which we qualify as a REIT, our distributions  that are
attributable  to gain from the sale or exchange of a United States real property
interest  are taxed to a non-U.S.  shareholder  as if these  distributions  were
gains  effectively  connected  with a trade or  business  in the  United  States
conducted by the non-U.S. shareholder.  Accordingly, a non-U.S. shareholder will
be taxed on these amounts at the normal capital gain rates  applicable to a U.S.
shareholder,  subject to any  applicable  alternative  minimum tax and a special
alternative  minimum  tax in the  case of  nonresident  alien  individuals;  the
non-U.S.  shareholder  would be required to file a United States  federal income
tax return reporting these amounts, even if applicable  withholding were imposed
as described below; and corporate  non-U.S.  shareholders may owe the 30% branch
profits tax under  Section 884 of the Tax Code in respect of these  amounts.  We
will be required to withhold from  distributions to non-U.S.  shareholders,  and
remit to the IRS, 35% of the maximum  amount of any  distribution  that could be
designated by us as a capital gain dividend.  In addition,  for purposes of this
withholding rule, if we designate prior distributions as capital gain dividends,
then  subsequent  distributions  up  to  the  amount  of  the  designated  prior
distributions  will be treated as capital gain dividends.  The amount of any tax
withheld is creditable  against the non-U.S.  shareholder's  federal  income tax
liability, and any amount of tax withheld in excess of that tax liability may be
refunded provided that an appropriate claim for refund is filed with the IRS. If
for any taxable year we designate as capital gain  dividends  any portion of the
dividends paid or made available for the year to our shareholders, including our
retained  capital gains treated as capital gain  dividends,  then the portion of
the capital gain  dividends so designated  that will be allocated to the holders
of a particular  class of our shares will on a percentage  basis equal the ratio
of (1) the amount of the total  dividends paid or made available for the year to
the  holders of that class of shares,  to (2) the total  dividends  paid or made
available for the year to holders of all classes of our shares.

         Tax   treaties   may  reduce  the   withholding   obligations   on  our
distributions.   Under  some  treaties,   however,  rates  below  30%  generally
applicable to ordinary income dividends from United States  corporations may not
apply to ordinary income dividends from a REIT. If the amount of tax withheld by
us  with  respect  to a  distribution  to a  non-U.S.  shareholder  exceeds  the
shareholder's federal income tax liability with respect to the distribution, the
non-U.S.  shareholder  may file for a refund of the excess from the IRS. In this
regard,  note  that the 35%  withholding  tax  rate on  capital  gain  dividends
corresponds  to the maximum  income tax rate  applicable  to corporate  non-U.S.
shareholders  but is higher than the 20% and 25% maximum  rates on capital gains
generally applicable to noncorporate non-U.S. shareholders.  Generally effective
with  respect to  distributions  paid after  December  31,  1999,  new  Treasury
regulations  alter  the  information  reporting  and  backup  withholding  rules
applicable  to  non-U.S.  shareholders  and provide  presumptions  under which a
non-U.S.  shareholder is subject to backup withholding and information reporting
until we receive certification from the shareholder of its non-U.S.  shareholder
status.  The new Treasury  regulations  also provide  special rules to determine
whether,  for purposes of determining  the  applicability  of a tax treaty,  our
distributions  to a non-U.S.  shareholder that is an entity should be treated as
paid to the entity or to those  owning an interest in that  entity,  and whether
the entity or its owners are entitled to benefits under the tax treaty.

         If our shares are not "United  States real property  interests"  within
the meaning of Section  897 of the Tax Code,  a non-U.S.  shareholder's  gain on
sale of our shares  generally  will not be subject to federal  income  taxation,
except that a nonresident  alien individual who was present in the United States
for 183 days or more  during  the  taxable  year will be subject to a 30% tax on
this gain. Our shares will not constitute a United States real property interest
if we are a "domestically  controlled REIT." A domestically controlled REIT is a
REIT in which at all times during the preceding  five-year  period less than 50%
in value of its shares is held  directly or indirectly  by foreign  persons.  We
believe that we are and will be a domestically  controlled  REIT and thus that a
non-U.S. shareholder's gain on sale of our shares will not be subject to federal
income taxation. However, because our shares are publicly traded, we can provide
no assurance  that we will be a  domestically  controlled  REIT. If we are not a
domestically  controlled  REIT,  a  non-U.S.  shareholder's  gain on sale of our
shares  will not be  subject to federal  income  taxation  as a sale of a United
States real  property  interest,  if (1) our shares are  "regularly  traded," as
defined by applicable Treasury regulations,  on an established securities market
such as the New York Stock Exchange, and (2) the non-U.S. shareholder has at all
times during the preceding five years owned 5% or less by value of that class of
our shares. If the gain on the sale of our shares were subject to federal income
taxation,  the  non-U.S.  shareholder  would  generally  be  subject to the same
treatment as a U.S.  shareholder  with respect to its gain, would be required to
file a United States federal  income tax return  reporting that gain, and in the
case of  corporate  non-U.S.  shareholders  might owe branch  profits  tax under
Section  884 of the Tax Code.  In any event,  a  purchaser  of our shares from a
non-U.S.  shareholder  will not be required to withhold on the purchase price if
the purchased shares are regularly traded on an established securities market or
if we are a domestically controlled REIT. Otherwise, the purchaser of our shares
may be required  to  withhold  10% of the  purchase  price paid to the  non-U.S.
shareholder and to remit the withheld amount to the IRS.



                                       15
<PAGE>

Backup Withholding and Information Reporting Requirements

         We will  report to our U.S.  shareholders  and to the IRS the amount of
dividends paid during each calendar year and the amount of tax withheld, if any.
Under the backup withholding rules, a U.S.  shareholder may be subject to backup
withholding  at the rate of 31% with respect to  dividends  paid unless the U.S.
shareholder  (1) is a corporation  or comes within other exempt  categories  and
when required  demonstrates that fact or (2) provides a taxpayer  identification
number,  certifies as to no loss of exemption from backup  withholding rules and
otherwise complies with applicable requirements of the backup withholding rules.
A  U.S.   shareholder  who  does  not  provide  us  with  his  correct  taxpayer
identification  number  may be  subject  to  penalties  imposed  by the IRS.  In
addition, we may be required to withhold a portion of capital gain distributions
to any U.S. shareholder who fails to certify his non-foreign status to us.

           We will report to our non-U.S. shareholders and to the IRS the amount
of dividends  paid during each calendar year and the amount of tax withheld,  if
any.  These  information  reporting  requirements  apply  regardless  of whether
withholding was reduced or eliminated by an applicable tax treaty.  As discussed
above,  withholding  rates of 30% and 35% may apply to distributions to non-U.S.
shareholders,  and new  Treasury  regulations  will  when  effective  alter  the
information reporting and withholding rules applicable to non-U.S. shareholders.

         The payment of the proceeds  from the  disposition  of our shares to or
through  the  United  States  office of a broker  will  generally  be subject to
information  reporting  and backup  withholding  at a rate of 31%  unless  under
penalties  of perjury  you  certify  your  status as a non-U.S.  shareholder  or
otherwise  establish  an  exemption.  The  payment  of  the  proceeds  from  the
disposition  of our shares to or through a non-United  States office of a broker
generally will not be subject to backup withholding and information reporting.

         Any  amounts  required  to be  withheld  from  payments  to you will be
collected by us or other  applicable  withholding  agents for  remittance to the
IRS. Amounts withheld are generally not an additional tax and may be refunded or
credited  against your federal income tax  liability,  provided that you furnish
the required  information  to the IRS. In addition,  the absence or existence of
applicable  withholding does not necessarily  excuse you from filing  applicable
United States federal income tax returns.

Other Tax Considerations

         You should  recognize that our and our  shareholders'  present  federal
income tax treatment may be modified by legislative, judicial, or administrative
actions at any time,  which  actions  may be  retroactive  in effect.  The rules
dealing  with  federal  income  taxation  are  constantly  under  review  by the
Congress, the IRS and the Treasury Department,  and statutory changes as well as
promulgation of new regulations,  revisions to existing regulations, and revised
interpretations of established  concepts occur frequently.  No prediction can be
made  as to the  likelihood  of  passage  of any new tax  legislation  or  other
provisions  either  directly or  indirectly  affecting  us or our  shareholders.
Revisions  in federal  income tax laws and  interpretations  of these laws could
adversely affect the tax consequences of an investment in our shares. We and our
shareholders  may also be subject to state or local taxation in various state or
local  jurisdictions,  including those in which we or our shareholders  transact
business or reside. State and local tax treatment may not conform to the federal
income tax consequences discussed above.

         We thus urge you to consult your own tax advisor regarding the specific
federal,  state,  local,  foreign  and  other  tax  consequences  to  you of the
acquisition, ownership, and disposition of our shares.

           ERISA PLANS, KEOGH PLANS AND INDIVIDUAL RETIREMENT ACCOUNTS

General Fiduciary Obligations

         Fiduciaries of a pension, profit-sharing or other employee benefit plan
subject  to  Title I of the  Employee  Retirement  Income  Security  Act of 1974
("ERISA") must consider the following:

         -        whether  their   investment   in  our  shares   satisfies  the
                  diversification requirements of ERISA;

         -        whether  the  investment  is  prudent  in  light  of  possible
                  limitations on the marketability of our shares;

         -        whether  they have  authority  to acquire our shares under the
                  applicable governing instrument and Title I of ERISA; and

  
                                       16
<PAGE>
         -        whether the  investment  is  otherwise  consistent  with their
                  fiduciary responsibilities.

         Trustees  and other  fiduciaries  of an ERISA  plan may incur  personal
liability  for any loss  suffered by the plan on account of a violation of their
fiduciary  responsibilities.  In addition, these fiduciaries may be subject to a
civil  penalty of up to 20% of any amount  recovered by the plan on account of a
violation.  Fiduciaries of any Individual  Retirement  Account,  "Keogh Plan" or
other qualified  retirement plan not subject to Title I of ERISA should consider
that an IRA or such a plan may only make  investments that are authorized by the
appropriate  governing instrument.  Fiduciary  shareholders should consult their
own legal  advisors  if they have any concern as to whether  the  investment  is
consistent with the foregoing criteria.

Prohibited Transactions

         Fiduciaries of ERISA plans and persons  making the investment  decision
for an IRA or other  non-ERISA plan should also consider the  application of the
prohibited  transaction  provisions  of ERISA and the  Internal  Revenue Code in
making their investment decision.  Sales and other transactions between an ERISA
plan,  an  IRA,  or  certain  types  of  non-ERISA  plans  such as  Keogh  plans
("Non-ERISA Plans") and persons related to it are prohibited  transactions.  The
particular facts concerning the sponsorship, operations and other investments of
an ERISA  plan,  IRA,  or other  Non-ERISA  Plan may cause a wide range of other
persons to be  treated as  disqualified  persons  or  parties in  interest  with
respect to it. A  prohibited  transaction,  in addition  to  imposing  potential
personal  liability  upon  fiduciaries  of ERISA  Plans,  may also result in the
imposition  of an excise tax under the Internal  Revenue Code or a penalty under
ERISA upon the disqualified person or party in interest with respect to the plan
or IRA.  If the  disqualified  person  who  engages  in the  transaction  is the
individual on behalf of whom an IRA is maintained  or his  beneficiary,  the IRA
may lose its  tax-exempt  status  and its  assets  may be  deemed  to have  been
distributed  to the  individual  in a taxable  distribution  on  account  of the
prohibited transaction but no excise tax will be imposed. Fiduciary shareholders
should  consult their own legal  advisors if they have any concern as to whether
the investment is a prohibited transaction.

Special Fiduciary and Prohibited Transactions Considerations

         The Department of Labor, which has administrative  responsibility  over
ERISA  plans as well as over  IRAs  and  other  Non-ERISA  Plans,  has  issued a
regulation  defining "plan assets." The regulation  generally provides that when
an ERISA or Non-ERISA Plan or IRA acquires a security that is an equity interest
in an entity and that  security is neither a "publicly  offered  security" nor a
security issued by an investment company registered under the Investment Company
Act of 1940,  the ERISA plan's or Non-ERISA  Plan's or IRA's assets include both
the equity interest and an undivided  interest in each of the underlying  assets
of the entity,  unless it is established  either that the entity is an operating
company or that equity  participation in the entity by benefit plan investors is
not significant.

         Each class of our  shares--that  is, our common shares and any class of
preferred  shares  that  may be  outstanding--must  be  analyzed  separately  to
ascertain  whether it is a publicly offered security.  The regulation  defines a
publicly  offered  security  as  a  security  that  is  "widely  held,"  "freely
transferable"  and either  part of a class of  securities  registered  under the
Securities  Exchange  Act of  1934,  or sold  under  an  effective  registration
statement  under  the  Securities  Act of  1933,  provided  the  securities  are
registered  under the Securities  Exchange Act of 1934 within 120 days after the
end of the fiscal year of the issuer  during which the offering  occurred.  Each
class of our shares has been  registered  under the  Securities  Exchange Act of
1934.

         The regulation  provides that a security is "widely held" only if it is
part of a class of securities that is owned by 100 or more investors independent
of the  issuer  and of one  another.  However,  a  security  will not fail to be
"widely  held"  because  the number of  independent  investors  falls  below 100
subsequent  to the  initial  public  offering  as a result of events  beyond the
issuer's  control.  Our common  shares  have been  widely held and we expect our
common  shares to continue to be widely  held.  We expect the same to be true of
any class of preferred stock that we issue, but we can give no assurance in that
regard.

         The   regulation   provides   that   whether  a  security   is  "freely
transferable"  is a  factual  question  to be  determined  on the  basis  of all
relevant facts and circumstances.  The regulation further provides that, where a
security is part of an offering  in which the minimum  investment  is $10,000 or
less,  some   restrictions  on  transfer   ordinarily  will  not,  alone  or  in
combination, affect a finding that these securities are freely transferable. The
restrictions  on transfer  enumerated in the  regulation  as not affecting  that
finding include:

         -        any  restriction  on or  prohibition  against any  transfer or
                  assignment   which   would   result   in  a   termination   or
                  reclassification  for federal or state tax purposes,  or would
                  otherwise violate any state or federal law or court order;

                                       17
<PAGE>
         -        any   requirement   that  advance  notice  of  a  transfer  or
                  assignment be given to us and any requirement  that either the
                  transferor  or  transferee,  or  both,  execute  documentation
                  setting  forth  representations  as  to  compliance  with  any
                  restrictions  on transfer which are among those  enumerated in
                  the   regulation  as  not  affecting   free   transferability,
                  including  those  described  in the  preceding  clause of this
                  sentence;

         -        any  administrative  procedure which  establishes an effective
                  date, or an event prior to which a transfer or assignment will
                  not be effective; and

         -        any limitation or restriction on transfer or assignment  which
                  is not  imposed by the issuer or a person  acting on behalf of
                  the issuer.

         We believe that the restrictions imposed under the declaration of trust
on the  transfer  of shares do not  result in the  failure  of our  shares to be
"freely  transferable."  Furthermore,  we believe that at present there exist no
other  facts or  circumstances  limiting  the  transferability  of our common or
preferred  shares which are not included among those enumerated as not affecting
their free transferability under the regulation,  and we do not expect or intend
to impose in the future,  or to permit any person to impose on our  behalf,  any
limitations or  restrictions on transfer which would not be among the enumerated
permissible limitations or restrictions.

         Assuming  that each class of our shares will be "widely  held" and that
no other facts and  circumstances  exist which restrict  transferability  of our
shares, we have received an opinion of counsel that such shares will not fail to
be "freely  transferable" for purposes of the regulation due to the restrictions
on  transfer  of the shares  under our  declaration  of trust and that under the
regulation the shares are publicly offered securities and our assets will not be
deemed to be "plan assets" of any ERISA plan, IRA or Non-ERISA Plan that invests
in our shares.

         If our assets are deemed to be plan assets under ERISA, then

         -        the prudence standards and other provisions of Part 4 of Title
                  I of ERISA would be applicable to investments made by us;

         -        the person or persons having  investment  discretion  over the
                  assets of ERISA plans which invest in us would be liable under
                  Part 4 of Title I of ERISA for investments made by us which do
                  not  conform to the ERISA  standards,  unless  the  investment
                  decision  was made by an  advisor  that has  registered  as an
                  investment  adviser under the Investment  Advisers Act of 1940
                  and other applicable  conditions are satisfied,  in which case
                  the registered advisor would potentially have such liability;

         -        transactions  that we might enter into in the ordinary  course
                  of its business and  operation  might  constitute  "prohibited
                  transactions" under ERISA and the Internal Revenue Code.


                                       18
<PAGE>

Item 2.  Properties

         General.  At  December  31,  1998,   approximately  29%  of  our  total
investments were in senior housing properties,  67% were in office buildings and
4% were in hotels  through our equity  investment  in HPT.  We believe  that the
physical  plant of each of the  facilities in which we have invested is suitable
and adequate for our present and any  currently  proposed  uses. At December 31,
1998,  we had real estate  investments  totaling  $3.0  billion (at cost) in 256
properties that were leased to or operated by over  approximately 700 tenants or
mortgagors,  plus an investment of approximately $110.6 million (carrying value)
in approximately  8.8% of the common shares of HPT, which has investments in 170
hotel properties.  At December 31, 1998, three properties with an aggregate cost
of $45.1 million were secured by two mortgages aggregating $24.8 million.


                                       19
<PAGE>
The following  table  summarizes  some  information  about our  properties as of
December 31, 1998. All dollar figures are in thousands.


<TABLE>
<CAPTION>
REAL ESTATE OWNED:
                                          Number of           Number of          Investment             Minimum
Location                                  Facilities         Beds/Units            Amount          Rent/Interest (1)
- -----------------------------------------------------------------------------------------------------------------------

<S>                                   <C>                 <C>                <C>                 <C>   
Senior Housing Properties:
Arizona                                       6                    801                $42,861                 $4,152
California                                    8                  1,344                 53,879                  7,575
Colorado                                      8                  1,011                 34,348                  4,747
Connecticut                                   9                  1,527                 95,566                 11,961
Florida                                       5                  1,527                131,990                 10,787
Georgia                                       4                    401                 12,308                  1,354
Illinois                                      2                    704                 98,742                  7,933
Iowa                                          7                    375                  8,207                    986
Kansas                                        1                     59                  1,320                    164
Maryland                                      1                    351                 33,080                  4,387
Massachusetts                                 5                    762                 82,059                 10,044
Missouri                                      2                    215                  3,788                    591
Nebraska                                      1                     80                  1,934                    230
New Hampshire                                 1                    108                  3,754                    437
New Jersey                                    1                    150                 13,007                  1,444
New York                                      1                    103                 10,700                  1,070
North Carolina                                3                    309                  6,389                  1,087
Ohio                                          2                    400                  9,872                  1,356
Pennsylvania                                  1                    120                 15,598                  1,951
South Dakota                                  3                    361                  7,589                    982
Texas                                         1                    145                 12,410                  1,302
Vermont                                       8                    808                 29,766                  3,316
Virginia                                      3                    848                 57,666                  6,284
Washington                                    2                    303                 19,542                  2,093
Wisconsin                                     8                  1,145                 33,021                  5,490
Wyoming                                       3                    243                  7,246                    849
                                      ------------------- ------------------ ------------------- ----------------------
         Subtotal                            96                 14,200                826,642                 92,572
                                      ------------------- ------------------ ------------------- ----------------------

Office Properties:
Alaska                                        1                     --                  1,000                    441
Arizona                                       3                     --                 21,995                  2,873
California                                   18                     --                253,771                 33,014
Colorado                                      2                     --                 21,806                  2,717
Connecticut                                   2                     --                 14,325                  2,394
Delaware                                      1                     --                 44,090                  4,160
District of Columbia                          5                     --                207,521                 28,448
Florida                                       4                     --                 11,588                  1,066
Georgia                                       1                     --                  2,978                    553
Kansas                                        1                     --                  5,949                  1,772
Maryland                                      7                     --                158,084                 21,429
Massachusetts                                29                     --                169,476                 27,765
Minnesota                                     3                     --                 40,704                  4,117
Missouri                                      1                     --                  7,776                    940
New Jersey                                    4                     --                 29,947                  3,637
New Mexico                                    2                     --                 11,021                  1,298
New York                                      5                     --                174,525                 32,994
Ohio                                          1                     --                 15,276                  2,151
Oklahoma                                      1                     --                 24,762                  3,084
Pennsylvania                                 16                     --                538,399                 80,897
Rhode Island                                  1                     --                  8,010                    836
Tennessee                                     1                     --                 22,173                  2,965
Texas                                        17                     --                254,187                 40,639
Virginia                                      4                     --                 53,874                  7,160
Washington                                    2                     --                 21,388                  2,426
West Virginia                                 1                     --                  4,898                    874
Wyoming                                       1                     --                 10,317                  1,288
                                      ------------------- ------------------ ------------------- ----------------------
         Subtotal                           134                     --              2,129,840                311,938
                                      =================== ================== =================== ======================
Total Real Estate                           230                 14,200             $2,956,482               $404,510
                                      =================== ================== =================== ======================

                                       20
<PAGE>
<CAPTION>
MORTGAGE AND NOTE INVESTMENTS:
                                          Number of           Number of          Investment             Minimum
Location                                  Facilities         Beds/Units            Amount          Rent/Interest (1)
- -----------------------------------------------------------------------------------------------------------------------
<S>                                    <C>                 <C>                <C>                <C>   
Senior Housing Properties:
California                                     4                   688                 $14,643                $1,851
Connecticut                                   --                    --                   1,000                   109
Florida                                        1                   248                   5,000                   525
Kansas                                         2                   122                   1,208                   174
Louisiana                                      1                   118                  18,992                 2,293
Michigan                                       2                   342                   9,181                 1,146
Nebraska                                       9                   610                   8,770                 1,007
North Carolina                                 2                   174                   2,803                   300
Ohio*                                          1                   100                   1,782                   223
Texas                                          4                   390                   4,844                   460
Wisconsin                                     --                    --                     883                   121
                                       ------------------- ------------------ ------------------ ----------------------
         Subtotal                             26                 2,792                  69,106                 8,209
                                       ------------------- ------------------ ------------------ ----------------------
Office Properties:
California*                                   --                    --                     122                    10
                                       ------------------- ------------------ ------------------ ----------------------
         Subtotal                             --                    --                     122                    10
                                       =================== ================== ================== ======================
Total Mortgages and Notes                     26                 2,792                 $69,228                $8,219
                                       =================== ================== ================== ======================

<FN>
*    Amounts represent or include notes receivable related to improvements to real estate owned.
(1)  Amounts  represent  obligations  due to us for  properties  owned during the 12 months ended  December 31, 1998 and  annualized
     obligations due to us for properties acquired during 1998, at December 31, 1998.
</FN>
</TABLE>
Item 3.  Legal Proceedings

         As  previously  disclosed,  in early  1995 we  commenced  an  action in
Florida state court to collect on a secured  indemnity  agreement  from a former
tenant and mortgagor,  together with certain related parties (collectively,  the
"Former  Tenant").  In May 1995  the  Former  Tenant  filed a  counterclaim  and
third-party  complaint  against  HRP and  others  including  Messrs.  Martin and
Portnoy, HRPT Advisors,  Inc. and Sullivan & Worcester LLP, seeking, among other
things, to set aside the indemnity agreement and to recover substantial damages.
After a  Massachusetts  state court  ordered the  dispute to  arbitration  and a
Florida court stayed further proceedings pending arbitration,  the Former Tenant
brought a separate  action  against HRP in the United States  District Court for
the District of Massachusetts and realleged many of the same allegations made in
the  counterclaims  and  third-party  complaints  previously  brought by them in
response to HRP's  original  action,  and adding  allegations  of  violations of
Sections 10(b) and 20(a) of the  Securities  Exchange Act of 1934 and Rule 10b-5
promulgated  thereunder and violations of 18 U.S.C ss. 1962 (RICO). In September
1996, the United States District Court for the District of Massachusetts ordered
the case brought by the Former  Tenant  dismissed  and all disputes  between the
Former Tenant and HRP referred to arbitration.

         The  arbitration  is  proceeding,  and  although  the amount of damages
claimed  by the Former  Tenant is  material,  all  claims of the  Former  Tenant
against  HRP were  dismissed  in January of this year,  except a basic claim for
common law fraud, which is scheduled for trial before the arbitrators in October
1999. The  arbitrators'  ruling,  dismissing all but one claim against HRP, both
narrows  substantially  the scope of claims  pending  against HRP and diminishes
greatly  the risk of the  Former  Tenant  being  able to hold HRP liable for (i)
attorneys  fees and costs,  or (ii) multiple  damages,  should the Former Tenant
prevail on its sole  remaining  claim  against  HRP.  We  continue to pursue our
indemnity claims in the arbitration.

         As we have previously  disclosed,  certain related cases have also been
filed by creditors or  assignees  of the Former  Tenant.  The amounts of damages
claimed by the creditors or assignees of the Former Tenant are material. We will
defend the claims of the  creditors or  assignees of the Former  Tenant in these
related  proceedings,  currently  pending in  Massachusetts  Superior Court. The
outcome of the arbitration and the related pending claims and proceedings cannot
be predicted.

         The   Declaration   of  Trust  provides  that  our  Trustees  shall  be
indemnified in certain  circumstances  by HRP in connection with claims asserted
against them by reason of their status, subject to various limitations contained
in the Declaration of Trust.  Were Messrs.  Martin and Portnoy to be held liable
in the proceedings  described above,  they may have a claim for  indemnification
from HRP.

                                       21
<PAGE>

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 year covered by this Annual Report on Form 10-K.

                                     PART II

Item 5.  Market for Registrant's Common Stock and Related Stockholder Matters

         Our Shares are traded on the New York Stock Exchange (symbol: HRP). The
following  table  sets  forth for the  periods  indicated  the high and low sale
prices  for the Shares as  reported  in the New York  Stock  Exchange  Composite
Transactions reports.

                                      High                   Low
1997
        First Quarter                $20 5/8                $18
        Second Quarter                19                     17 3/4
        Third Quarter                 19 1/8                 17 5/8
        Fourth Quarter                20 5/16                18 9/16

1998
        First Quarter                 20 15/16               19 5/8
        Second Quarter                20 1/4                 17 7/8
        Third Quarter                 18 13/16               15 5/8
        Fourth Quarter                17 1/8                 14

         The closing price of the Shares on the New York Stock Exchange on March
29, 1999 was $13 3/4.

As of March 5, 1999,  there were  approximately  5,951  holders of record of the
Shares,  and we  estimate  that as of such date  there were in excess of 145,000
beneficial owners of the Shares.

         Dividends  declared with respect to each period for the two most recent
fiscal  years and the amount of such  dividends  and the  respective  annualized
rates are set forth in the following table.

                                           Dividend               Annualized
                                           Per Share             Dividend Rate
1997
     First Quarter                           $.36                  $1.44
     Second Quarter                           .36                   1.44
     Third Quarter                            .37                   1.48
     Fourth Quarter                           .37                   1.48

1998
     First Quarter                            .38                   1.52
     Second Quarter                           .38                   1.52
     Third Quarter                            .38                   1.52
     Fourth Quarter                           .38                   1.52

         All dividends declared have been paid. We intend to continue to declare
and pay future dividends on a quarterly basis.

         In order to qualify for the beneficial tax treatment  accorded to REITs
by Sections 856 through 860 of the  Internal  Revenue  Code,  we are required to
make  distributions  to shareholders  which annually will be at least 95% of our
taxable income.  All  distributions  will be made by us at the discretion of the
Trustees  and  will  depend  on  our  earnings,  our  cash  flow  available  for
distribution,  our financial  condition and other factors that the Trustees deem
relevant. We have in the past distributed, and intend to continue to distribute,
substantially  all of our "real estate  investment  trust taxable income" to our
shareholders.

         As previously reported,  in 1997 we entered into an Agreement of Merger
(the "Merger  Agreement")  with  Government  Property  Investors,  Inc.  ("GPI")
pursuant  to which we agreed to  acquire  up to 30 office  buildings  


                                       22
<PAGE>

containing  approximately 3.4 million square feet, substantially all of which is
leased to various agencies of the United States government. The Merger Agreement
provided for us to acquire these  properties in a series of closings in exchange
for our Shares. As of May 1998, the final closing under the Merger Agreement had
occurred,  and we had  issued  4,271,428  Shares to GPI and its  successors  and
assigns;  however,  the final number of Shares  issuable in connection  with the
Merger  Agreement  had not been  determined.  In  February,  1999,  we issued an
additional  256,246  Shares to GPI pursuant to the exemption  from  registration
contained in Section 4(2) of the Securities Act of 1933, as amended.

Item 6.  Selected Financial Data

         Set forth  below is selected  financial  data for the periods and dates
indicated. This data should be read in conjunction with, and is qualified in its
entirety by reference to, the consolidated financial statements and accompanying
notes  included in Item 7 of our Current Report on Form 8-K dated March 5, 1999.
Amounts are in thousands, except per Share information.

<TABLE>
<CAPTION>
Income Statement Data:                                              Year Ended December 31,
                                          ----------------------------------------------------------------------------
                                              1998           1997           1996            1995            1994
                                          -------------- -------------- -------------- --------------- ---------------

<S>                                           <C>            <C>            <C>            <C>              <C>     
Total revenues                                 $356,554       $208,863       $120,183       $113,322         $86,683
Income before gain (loss) on sale of
   properties and extraordinary item            146,656        112,204         77,164         61,760          57,878
Income before extraordinary item                146,656        115,102         77,164         64,236          51,872
Net income                                      144,516        114,000         73,254         64,236          49,919
Funds from operations  - basic (1)              211,715        146,312         99,106         84,638          71,851
Funds from operations - diluted (1)             227,904        162,738        103,253         84,638          71,851
Dividends declared (2)                          190,341        144,271         94,299         83,954          76,317

Per basic common share amounts:
Income before gain (loss) on sale of
   properties and extraordinary item               1.22           1.22           1.16          1.04             1.10
Income before extraordinary item                   1.22           1.25           1.16          1.08              .98
Net income                                         1.21           1.24           1.11          1.08              .95
Funds from operations - basic (1)                  1.77           1.59           1.50          1.43             1.36
Funds from operations - diluted (1)                1.74           1.57           1.49          1.43             1.36
Dividends declared (2)                             1.52           1.46           1.42          1.38             1.33

Weighted average shares outstanding             119,867         92,168         66,255         59,227          52,738


<CAPTION>
Balance Sheet Data:                                                     At December 31,
                                          ----------------------------------------------------------------------------
                                              1998           1997           1996            1995            1994
                                          -------------- -------------- -------------- --------------- ---------------

<S>                                          <C>            <C>           <C>              <C>             <C>     
Real estate properties, at cost              $2,956,482     $1,969,023     $1,005,739       $778,211        $673,083
Real estate mortgages and notes                  69,228        104,288        150,205        141,307         133,477
Investment in HPT                               110,554        111,134        103,062         99,959              --
Total assets                                  3,064,057      2,135,963      1,229,522        999,677         840,206
Total indebtedness                            1,132,081        787,879        492,175        269,759         216,513
Total shareholders' equity                    1,827,793      1,266,260        708,048        685,592         602,039


<FN>
(1)  Our Funds From Operations ("FFO") represents net income (computed in accordance with generally accepted  accounting  principles
     ("GAAP")),  before gain or loss on sale of properties  and  extraordinary  items,  depreciation  and other  non-cash  items and
     includes HRP's pro rata share of HPT's FFO. Management considers FFO to be a measure of the financial  performance of an equity
     REIT that provides a relevant basis for comparison among REITs. FFO does not represent cash flow from operating  activities (as
     determined  in  accordance  with GAAP) and should not be considered  as an  alternative  to net income,  as an indicator of our
     financial performance or to cash flows as a measure of liquidity.

(2)  Amounts  represent  dividends  declared  with respect to the periods  shown.  Distributions  in excess of net income  generally
     constitute a return of capital.
</FN>
</TABLE>

                                       23
<PAGE>

Item 7. Management's  Discussion and Analysis of Financial Condition and Results
of Operations

         The  information  required  by this  item  is  incorporated  herein  by
reference  to the section  entitled  "Management's  Discussion  and  Analysis of
Financial  Condition and Results of  Operations" in Item 5 of our Current Report
on Form 8-K dated March 5, 1999.

Item 7A.  Quantitative and Qualitative Disclosures About Market Risk

         We are exposed to risks  associated  with  interest  rate  changes.  We
manage our  exposure to this market risk  through our  monitoring  of  available
financing  alternatives.  Our strategy to manage exposure to changes in interest
rates is unchanged  from December 31, 1997.  Furthermore,  we do not foresee any
significant  changes in our exposure to fluctuations in interest rates or in how
such  exposure is managed in the near future.  At December  31, 1998,  our total
outstanding debt for fixed rate notes consisted of the following:

               Amount                       Coupon                     Maturity

Unsecured senior notes:
              $40.0 million                   7.25%                      2001
             $160.0 million                  6.875%                      2002
             $150.0 million                   6.75%                      2002
             $164.9 million                   7.50%                      2003
             $100.0 million                    6.7%                      2005
             $143.0 million                    8.5%                      2013

Secured notes:
              $13.1 million                   8.00%                      2008
              $11.7 million                   7.66%                      2009

         No principal  repayments are due under the unsecured senior notes until
maturity.  If, at maturity,  the unsecured senior notes were to be refinanced at
interest rates which are 1/2 percentage  point higher than shown above,  our per
annum interest cost would increase by  approximately  $3.8 million.  The secured
notes are secured by three of our office  properties  and require  principal and
interest payments through maturity.

         As of December 31, 1998,  we had two series of senior  unsecured  notes
that were  subject to floating  interest  rates;  a $500.0  million  bank credit
facility and another series of unsecured  senior notes totaling  $250.0 million.
Our bank credit  facility  bears interest at floating rates and matures in 2002.
At December 31, 1998, $400.0 million was available for drawing under our line of
credit and $100.0  million was  outstanding.  Our line of credit is available to
finance our  acquisition  commitments.  As of December 31, 1998, our acquisition
commitments  required  approximately $21.7 million (plus closing costs) of cash.
Assuming these commitments were all funded with borrowings under our bank credit
facility,  and assuming  interest  rates  increased 1/2  percentage  point,  our
annualized interest cost would increase by approximately $108,500. Our unsecured
senior notes totaling  $250.0 million bear interest at floating rates and mature
in 2007.  Assuming  interest rates increase 1/2 percentage point, our annualized
interest costs would increase by approximately $1.3 million.

         Each of our obligations for borrowed money has provisions that allow us
to make repayments  earlier than the stated maturity date. In some cases, we are
not allowed to make early repayment prior to a cutoff date and in other cases we
are allowed to make  prepayments  only at a premium to face value. In any event,
these  prepayment  rights may afford us the  opportunity to mitigate the risk of
refinancing at maturity at higher rates,  by refinancing at lower rates prior to
maturity.

         From time to time,  we may enter into  contracts  to hedge our interest
rate risk.  As of  December  31,  1998,  we have not  entered  into any of these
contracts.

         The market prices,  if any, of each of our fixed rate obligations as of
December 31, 1998 are  sensitive  to changes in interest  rates.  Typically,  if
market  rates of interest  increase,  the current  market  price of a fixed rate
obligation will decrease.  Conversely, if market rates of interest decrease, the
current market price of a fixed rate obligation  typically will increase.  Based
on the balances  outstanding at December 31, 1998, a hypothetical  immediate one
percentage  point  change in interest  rates would  change the fair value of our
fixed rate debt obligations by approximately  $36.5 million (based on discounted
cash flow analysis).

                                       24
<PAGE>



Item 8. Financial Statements and Supplementary Data

         The  information  required  by this  item  is  incorporated  herein  by
reference to the  consolidated  financial  statements of HRPT  Properties  Trust
included in Item 7 of our Current Report on Form 8-K dated March 5, 1999.

Item  9.  Changes  in and  Disagreements  with  Accountants  on  Accounting  and
Financial Disclosure

         Not applicable

                                    PART III

The  information  in Part III  (Items,  10,  11, 12 and 13) is  incorporated  by
reference to our definitive Proxy Statement,  which will be filed not later than
120 days after the end of our fiscal year.

                                     PART IV

Item 14. Exhibits, Financial Statement Schedules and Reports on Form 8-K

(a)     Index to Financial Statements and Financial Statement Schedules

<TABLE>
<CAPTION>
                              HRPT PROPERTIES TRUST

                                                                                                             Page
<S>                                                                                                          <C>
1)  The following consolidated financial statements of HRPT Properties Trust are
    incorporated  by reference to our Current  Report on Form 8-K dated March 5,
    1999. Page references are to such Current Report:
      Consolidated  Balance  Sheets  as  of  December  31,  1998  and  1997                                  F-3
      Consolidated  Statements  of  Income  for each of the  three  years in the
          periods ended December 31, 1998, 1997 and 1996                                                     F-4
      Consolidated  Statements  of  Shareholders'  Equity  for each of the three
          years in the periods ended December 31, 1998, 1997, and 1996                                       F-5
      Consolidated  Statements  of Cash Flows for each of the three years in the
          periods ended December 31, 1998, 1997, and 1996                                                    F-6
      Notes to Consolidated Financial Statements                                                             F-8

2) The following schedules are filed herewith:
      III - Real Estate and Accumulated  Depreciation                                                        S-1 
      IV - Mortgage Loans on Real Estate                                                                     S-9
</TABLE>


         All other  schedules  for  which  provision  is made in the  applicable
accounting  regulations  of the  Securities  and  Exchange  Commission  are  not
required under the related instructions, or are inapplicable, and therefore have
been omitted.

(b)      Reports on Form 8-K

         During  the  fourth  quarter of 1998,  we filed the  following  Current
Reports on Form 8-K:

         (i)      Current Report on Form 8-K dated  November 12, 1998,  relating
                  to unaudited pro forma consolidated financial statements (Item
                  7).

         (ii)     Current Report on Form 8-K dated November 24, 1998,  filing as
                  exhibits: (1) Purchase Agreement dated as of November 24, 1998
                  by and among the Company and the  several  underwriters  named
                  therein  pertaining  to  $130,000,000  in aggregate  principal
                  amount of 8 1/2% Monthly  Income  Senior  Notes due 2013,  (2)
                  Form of  Supplemental  Indenture dated as of November 30, 1998
                  by and between  the  Company  and State  Street Bank and Trust
                  Company  pertaining  to  $130,000,000  in aggregate  principal
                  amount of 8 1/2% Monthly  Income  Senior  Notes due 2013,  (3)
                  Consent  of  Sullivan  &  Worcester  LLP,  and (4)  Opinion of
                  Sullivan & Worcester LLP relating to tax matters (Item 7).


                                       25
<PAGE>

         (iii)    Current Report on Form 8-K dated  December 23, 1998,  relating
                  to a financing  plan for senior  housing and  healthcare  real
                  estate  investments  which would include a public  offering of
                  common  shares  of  a  subsidiary,   and  a  distribution   to
                  shareholders of common shares of that subsidiary (Item 5).

(c)      Exhibits

         3.1      Composite   copy  of  Third   Amendment  and   Restatement  of
                  Declaration  of Trust of the  Company  dated July 1, 1994,  as
                  amended to date.  (incorporated  by reference to the Company's
                  Current Report on Form 8-K, dated July 1, 1998)

         3.2      Articles   Supplementary  dated  November  4,  1994  to  Third
                  Amendment and  Restatement  of Declaration of Trust dated July
                  1, 1994 creating the Junior  Participating  Preferred  Shares.
                  (incorporated by reference to the Company's  Current Report on
                  Form 8-K, dated May 27, 1998)

         3.3      Articles  Supplementary  dated May 13, 1997 to Third Amendment
                  and  Restatement  of  Declaration  of Trust dated July 1, 1994
                  increasing   the  Junior   Participating   Preferred   Shares.
                  (incorporated by reference to the Company's  Current Report on
                  Form 8-K, dated May 27, 1998)

         3.4      Articles  Supplementary  dated May 22, 1998 to Third Amendment
                  and  Restatement  of  Declaration  of Trust dated July 1, 1994
                  increasing   the  Junior   Participating   Preferred   Shares.
                  (incorporated by reference to the Company's  Current Report on
                  Form 8-K dated May 27, 1998)

         3.5      By-laws of the Company,  as amended to date.  (incorporated by
                  reference to the Company's  Current  Report on Form 8-K, dated
                  May 27, 1998)

         4.1      Form of Common Share  Certificate.  (incorporated by reference
                  to the  Company's  Current  Report on Form 8-K dated March 11,
                  1999)

         4.2      Rights  Agreement  dated  October 17, 1994 between the Company
                  and State  Street  Bank and  Trust  Company,  as Rights  Agent
                  (including the form of Articles  Supplementary relating to the
                  Junior  Participating  Preferred  Shares annexed as an exhibit
                  thereto).   (incorporated   by  reference  to  the   Company's
                  Registration Statement on Form 8-A dated October 24, 1994)

         4.3      Indenture, dated as of September 20, 1996, between the Company
                  and Fleet National Bank ("Fleet"),  as trustee.  (incorporated
                  by reference to the Company's  Registration  Statement on Form
                  S-3, File No. 333- 02863)

         4.4      First  Supplemental  Indenture,  dated as of  October 7, 1996,
                  between  the Company  and Fleet,  as trustee,  relating to the
                  Company's 7.5% Convertible  Subordinated  Debentures due 2003,
                  Series A, including form thereof.  (incorporated  by reference
                  to the Company's  Current  Report on Form 8-K dated October 7,
                  1996)

         4.5      Second  Supplemental  Indenture,  dated as of October 7, 1996,
                  between  the Company  and Fleet,  as trustee,  relating to the
                  Company's 7.5% Convertible  Subordinated  Debentures due 2003,
                  Series B, including form thereof.  (incorporated  by reference
                  to the Company's  Current  Report on Form 8-K dated October 7,
                  1996)

         4.6      Third  Supplemental  Indenture,  dated as of  October 7, 1996,
                  between  the Company  and Fleet,  as trustee,  relating to the
                  Company's 7.25% Convertible  Subordinated Debentures due 2001,
                  including  form  thereof.  (incorporated  by  reference to the
                  Company's Current Report on Form 8-K dated October 7, 1996)

         4.7      Indenture,  dated  as of  July 9,  1997,  by and  between  the
                  Company and State Street Bank and Trust  Company,  as Trustee.
                  (incorporated  by reference to the Company's  Annual Report on
                  Form 10-K for the year ended December 31, 1997)

         4.8      Supplemental Indenture, dated July 9, 1997, by and between the
                  Company and State Street Bank and Trust  Company,  as Trustee,
                  relating  to the  Remarketed  Reset  Notes  due July 9,  2007.
                  (incorporated  by reference to the Company's  Annual Report on
                  Form 10-K for the year ended December 31, 1997)

                                       26
<PAGE>

         4.9      Supplemental  Indenture  No. 2 dated as of  February  23, 1998
                  between the Company and State  Street Bank and Trust  Company,
                  relating to  $50,000,000  in  principal  amount of  Remarketed
                  Reset Notes due July 9, 2007.  (incorporated  by  reference to
                  the  Company's  Annual  Report on Form 10-K for the year ended
                  December 31, 1997)

         4.10     Form of Global Note relating to the Remarketed Reset Notes due
                  July 9, 2007.  (incorporated  by  reference  to the  Company's
                  Current Report on Form 8-K dated July 2, 1997)

         4.11     Supplemental  Indenture  No. 3 dated as of  February  23, 1998
                  between the Company and State  Street Bank and Trust  Company,
                  relating  to  the  Company's   6.7%  Senior  Notes  due  2005,
                  including  form  thereof.  (incorporated  by  reference to the
                  Company's  Annual  Report  on Form  10-K  for the  year  ended
                  December 31, 1997)

         4.12     Supplemental  Indenture  No. 4 dated as of August 26,  1998 by
                  and  between  the  Company  and  State  Street  Bank and Trust
                  Company,  relating  to  $160,000,000  in  aggregate  principal
                  amount  of 6  7/8%  Senior  Notes  due  2002,  including  form
                  thereof. (incorporated by reference to the Company's Quarterly
                  Report on Form 10-Q for the quarter ended September 30, 1998)

         4.13     Supplemental  Indenture No. 5 dated as of November 30, 1998 by
                  and  between  the  Company  and  State  Street  Bank and Trust
                  Company,  relating  to  $130,000,000  in  aggregate  principal
                  amount  of 8  1/2%  Monthly  Income  Senior  Notes  due  2013,
                  including  form  thereof.  (incorporated  by  reference to the
                  Company's Current Report on Form 8-K dated March 11, 1999)

         4.14     Supplemental Indenture No. 6 dated as of March 24, 1999 by and
                  between the Company and State  Street Bank and Trust  Company,
                  relating to  $90,000,000  in aggregate  principal  amount of 7
                  7/8%  Monthly  Income  Senior Notes due 2009,  including  form
                  thereof. (filed herewith)

         4.15     Indenture  dated as of  December  18,  1997 by and between the
                  Company and State Street Bank and Trust  Company,  as Trustee.
                  (incorporated by reference to the Company's  Current Report on
                  Form 8-K dated December 5, 1997)

         4.16     Supplemental  Indenture  dated as of December  18, 1997 by and
                  between the Company and State  Street Bank and Trust  Company,
                  as Trustee,  relating to the Company's 6 3/4% Senior Notes due
                  2002,  including form thereof.  (incorporated  by reference to
                  the  Company's  Current  Report on Form 8-K dated  December 5,
                  1997)

         4.17     Registration Rights Agreement dated as of December 18, 1997 by
                  and between the Company and Merrill Lynch & Co.  (incorporated
                  by reference to the Company's Current Report on Form 8-K dated
                  December 5, 1997)

         8.1      Opinion  of  Sullivan  &  Worcester,  LLP  as to  certain  tax
                  matters. (filed herewith)

         9.1      Amended and Restated AMS Voting Trust Agreement. (incorporated
                  by reference to the Company's  Registration  Statement on Form
                  S-11,  File  No.  33-55684,   dated  December  23,  1992,  and
                  amendments thereto)

         10.1     Advisory  Agreement  by  and  between  the  Company  and  HRPT
                  Advisors,  Inc., as amended.(+)  (incorporated by reference to
                  the Company's Registration Statement on Form S-11, File No.
                  3-16799, dated August 27, 1987, and amendments thereto)

         10.2     Second Amendment to the Advisory  Agreement by and between the
                  Company and HRPT Advisors,  Inc.(+) (incorporated by reference
                  to the Company's Annual Report on Form 10-K for the year ended
                  December 31, 1993)

         10.3     Third  Amendment  to  Advisory  Agreement  by and  between the
                  Company  and HRPT  Advisors,  Inc.,  dated  June 26,  1997.(+)
                  (incorporated by reference to the Company's  Current Report on
                  Form 8-K, dated July 2, 1997)

  
                                       27
<PAGE>

         10.4     Advisory  Agreement by and between REIT Management & Research,
                  Inc.  and  the  Company   dated  as  of  January  1,  1998.(+)
                  (incorporated by reference to the Company's  Current Report on
                  Form 8-K, dated February 11, 1998)

         10.5     Agreement (for Property  Management and Leasing Agent) between
                  M&P Partners Limited  Partnership and various  subsidiaries of
                  the  Company,  effective  as of March 25,  1997,  relating  to
                  properties leased to Agencies of the United States Government.
                  (incorporated  by reference to the Company's  Quarterly Report
                  on Form 10-Q for the quarter ended September 30, 1997)

         10.6     Master Management  Agreement by and among M&P Partners Limited
                  Partnership and the parties named therein dated as of December
                  31, 1997.  (incorporated by reference to the Company's Current
                  Report on Form 8-K, dated February 11, 1998)

         10.7     Master  Management  Agreement  by and  between the Company and
                  REIT Management & Research, Inc., dated as of January 1, 1998.
                  (incorporated by reference to the Company's  Current Report on
                  Form 8-K, dated February 27, 1998)

         10.8     Parking  Operation  Management  Agreement  by and  between HUB
                  Properties  Trust,  a  subsidiary  of the  Company,  and  REIT
                  Management  &  Research,  Inc.,  dated as of  January 1, 1998.
                  (incorporated by reference to the Company's  Current Report on
                  Form 8-K, dated February 27, 1998)

         10.9     Incentive Share Award Plan.(+)  (incorporated  by reference to
                  the Company's  Registration  Statement on Form S-11,  File No.
                  33-55684, dated December 23, 1992, and amendments thereto)

         10.10    AMS Properties Security Agreement.  (incorporated by reference
                  to the Company's Annual Report on Form 10-K for the year ended
                  December 31, 1991)

         10.11    AMS Subordination Agreement. (incorporated by reference to the
                  Company's  Annual  Report  on Form  10-K  for the  year  ended
                  December 31, 1991)

         10.12    AMS  Guaranty.  (incorporated  by reference  to the  Company's
                  Annual  Report on Form 10-K for the year  ended  December  31,
                  1991)

         10.13    AMS  Pledge  Agreement.  (incorporated  by  reference  to  the
                  Company's  Annual  Report  on Form  10-K  for the  year  ended
                  December 31, 1991)

         10.14    AMS Holding Co. Pledge  Agreement.  (incorporated by reference
                  to the Company's Annual Report on Form 10-K for the year ended
                  December 31, 1991)

         10.15    Amended and Restated  Renovation Funding Agreement dated as of
                  January 13, 1992 between AMS Properties, Inc. and the Company.
                  (incorporated  by reference to the Company's  Annual Report on
                  Form 10-K for the year ended December 31, 1991)

         10.16    Amendment  to  AMS  Transaction  Documents.  (incorporated  by
                  reference to the Company's  Annual Report on Form 10-K for the
                  year ended December 31, 1991)

         10.17    GCI Master Lease Document.  (incorporated  by reference to the
                  Company's  Registration  Statement  on  Form  S-11,  File  No.
                  33-55684, dated December 23, 1992, and amendments thereto)

         10.18    Amended   and   Restated   HRP   Shares   Pledge    Agreement.
                  (incorporated  by  reference  to  the  Company's  Registration
                  Statement on Form S-11, File no. 33-55684,  dated December 23,
                  1992, and amendments thereto)

         10.19    Guaranty Cross-Default and Cross-Collateralization  Agreement.
                  (incorporated  by  reference  to  the  Company's  Registration
                  Statement on Form S-11, File No. 33-55684,  dated December 23,
                  1992, and amendments thereto)

         10.20    Connecticut  Subacute Corporation II Lease Document Waterbury.
                  (incorporated  by reference to the Company's  Annual Report on
                  Form 10-K for the year ended December 31, 1995)


                                       28
<PAGE>

         10.21    Connecticut  Subacute  Corporation II Lease Document Cheshire.
                  (incorporated  by reference to the Company's  Annual Report on
                  Form 10-K for the year ended December 31, 1995)

         10.22    Connecticut  Subacute Corporation II Lease Document New Haven.
                  (incorporated  by reference to the Company's  Annual Report on
                  Form 10-K for the year ended December 31, 1995)

         10.23    Vermont  Subacute/New  Hampshire  Subacute  Corporation Master
                  Lease Agreement  (Chapple).  (incorporated by reference to the
                  Company's  Annual  Report  on Form  10-K  for the  year  ended
                  December 31, 1995)

         10.24    Amended  and  Restated  Agreement  and Plan of  Reorganization
                  (Chapple).  (incorporated by reference to the Company's Annual
                  report on Form 10-K for the year ended December 31, 1995)

         10.25    Amended and  Restated  Promissory  Note,  dated July 29, 1996,
                  from   Connecticut   Subacute   Corporation  to  the  Company.
                  (incorporated by reference to the Company's  Current Report on
                  Form 8-K dated October 1, 1996)

         10.26    Note Modification Agreement, dated as of June 30, 1998, by and
                  between  Connecticut  Subacute  Corporation  and the  Company.
                  (incorporated by reference to the Company's  Current Report on
                  Form 8-K dated March 11, 1999)

         10.27    Second  Amendment to Master Lease Agreement  General Terms and
                  Conditions and Leases Entered Into Pursuant Thereto,  dated as
                  of October 5, 1998, by and between the Company and Connecticut
                  Subacute  Corporation.   (incorporated  by  reference  to  the
                  Company's Current Report on Form 8-K dated March 11, 1999)

         10.28    Merger  Agreement  dated February 17, 1997 between the Company
                  and Government  Property  Investors,  Inc. (including forms of
                  Escrow   Agreement,   Investment   and   Registration   Rights
                  Agreement,  Voting  Agreement,  Information  Access Agreement,
                  Indemnification Agreement, Service Contract,  Non-Solicitation
                  Agreement and Second Closing Escrow Agreement).  (incorporated
                  by  reference  to the  Company's  Current  Report on Form 8-K,
                  dated February 17, 1997)

         10.29    Amendment  No. 1 to  Agreement  of Merger dated March 25, 1997
                  between the Company and Government  Property  Investors,  Inc.
                  (incorporated  by  reference  to  the  Company's  Registration
                  Statement  on Form S-3 (File  No.  333-29675)  filed  with the
                  Commission on June 20, 1997)

         10.30    Remarketing   Agreement   (including   form   of   Remarketing
                  Underwriting Agreement) relating to the Remarketed Reset Notes
                  due July 9, 2007 by and between the Company and Merrill  Lynch
                  & Co., dated as of July 2, 1997. (incorporated by reference to
                  the Company's Current Report on Form 8-K, dated July 2, 1997)

         10.31    Fourth Amended and Restated Revolving Credit Agreement,  dated
                  as of April 2,  1998,  among the  Company,  as  borrower,  the
                  lenders named therein, Dresdner Kleinwort Benson North America
                  LLC, as agent,  and Fleet  National  Bank,  as  administrative
                  agent.  (incorporated  by reference to the  Company's  Current
                  Report on Form 8-K, dated April 14, 1998)

         12.1     Statement  regarding  computation of ratio of earning to fixed
                  charges. (filed herewith)

         21.1     Subsidiaries of the Registrant.  (filed herewith)

         23.1     Consent of Ernst & Young LLP.  (filed herewith)

         23.2     Consent of Arthur Andersen LLP.  (filed herewith)

         23.3     Consent  of  Sullivan &  Worcester  LLP  (included  as part of
                  Exhibit 8.1 hereto)

         99.1     Current  Report  on  Form  8-K  dated  March  5,  1999  (filed
                  herewith)

         (+)  Management contract or compensatory plan or arrangement.


                                       29
<PAGE>

<TABLE>
<CAPTION>
                                                        HRPT PROPERTIES TRUST
                                                            SCHEDULE III
                                              REAL ESTATE AND ACCUMULATED DEPRECIATION
                                                          December 31, 1998
                                                       (Dollars in thousands)

                                                                      Gross Amount Carried at Close
                              Initial Cost to Company                      of Period 12/31/98            
                              -----------------------                --------------------------------
                                                          Costs                                                             Original
                                                       Capitalized                                   Accumulated             Constr-
                                        Buildings and  Subsequent           Buildings and            Depreciation   Date      uction
   Location           State    Land       Equipment  to Acquisition  Land     Equipment     Total (1)     (2)      Aquired      Date
- ------------------------------------------------------------------------------------------------------------------------------------
Senior Housing Propertiess:
<S>                   <C>    <C>        <C>             <C>        <C>       <C>         <C>          <C>         <C>           <C> 
La Mesa               AZ       $1,480      $13,320           $--     $1,480     $13,320      $14,800      $680    12/27/96      1985
Phoenix               AZ          655        2,525            5         655       2,530        3,185       471     6/30/92      1963
Scottsdale            AZ          979        8,807          140         990       8,936        9,926     1,033     5/16/94      1990
Sun City              AZ        1,174       10,569          173       1,189      10,727       11,916     1,218     6/17/94      1990
Yuma                  AZ          103          604            1         103         605          708       112     6/30/92      1984
Yuma                  AZ          223        2,100            3         223       2,103        2,326       386     6/30/92      1984
Fresno                CA          738        2,577          188         738       2,765        3,503       646    12/28/90      1963
Laguna Hills          CA        3,132       28,184          475       3,172      28,619       31,791     3,072      9/9/94      1975
Lancaster             CA          601        1,859        1,028         601       2,887        3,488       610    12/28/90      1969
Newport Beach         CA        1,176        1,729        1,223       1,176       2,952        4,128       592    12/28/90      1962
Stockton              CA          382        2,750            4         382       2,754        3,136       507     6/30/92      1968
Tarzana               CA        1,277          977          806       1,278       1,782        3,060       403    12/28/90      1969
Thousand Oaks         CA          622        2,522          310         622       2,832        3,454       639    12/28/90      1965
Van Nuys              CA          716          378          225         718         601        1,319       154    12/28/90      1969
Canon City            CO          292        6,228           --         292       6,228        6,520       201     9/26/97      1970
Colorado Springs      CO          245        5,236           --         245       5,236        5,481       169     9/26/97      1972
Delta                 CO          167        3,570           --         167       3,570        3,737       115     9/26/97      1963
Grand Junction        CO          204        3,875          329         204       4,204        4,408       650    12/30/93      1968
Grand Junction        CO            6        2,583        1,316         136       3,769        3,905       513    12/30/93      1978
Lakewood              CO          232        3,766          723         232       4,489        4,721       970    12/28/90      1972
Littleton             CO          185        5,043          348         185       5,391        5,576     1,224    12/28/90      1965
Cheshire              CT          520        7,380        1,559         520       8,939        9,459     2,626     11/1/87      1963
Forestville           CT          465        9,235        3,477         478      12,699       13,177     3,782    12/23/86      1972
Killingly             CT          240        5,360          460         240       5,820        6,060     1,970     5/15/87      1972
New Haven             CT        1,681       14,953        1,236       1,681      16,189       17,870     3,423     5/11/92      1971
Wallingford           CT          557       11,043        2,925         557      13,968       14,525     4,338    12/23/86      1974
Waterbury             CT        1,003        9,023          915       1,003       9,938       10,941     2,097     5/11/92      1974
Waterbury             CT          514       10,186        3,402         630      13,472       14,102     3,980    12/23/86      1971
Waterford             CT           86        4,714          453          86       5,167        5,253     1,814     5/15/87      1965
Willimantic           CT          134        3,566          479         166       4,013        4,179     1,307     5/15/87      1965
Boca Raton            FL        4,404       39,633          799       4,474      40,362       44,836     4,664     5/20/94      1994
Deerfield Beach       FL        1,664       14,972          299       1,690      15,245       16,935     1,762     5/16/94      1986
Fort Myers            FL        2,349       21,137          419       2,385      21,520       23,905     2,354     8/16/94      1984
Palm Harbor           FL        3,327       29,945          591       3,379      30,484       33,863     3,523     5/16/94      1992
Port St. Lucie        FL        1,223       11,009          219       1,242      11,209       12,451     1,295     5/20/94      1993
College Park          GA          300        2,702           23         300       2,725        3,025       220     5/15/96      1985


                                                                 S-1

<PAGE>
<CAPTION>
                                                        HRPT PROPERTIES TRUST
                                                            SCHEDULE III
                                              REAL ESTATE AND ACCUMULATED DEPRECIATION
                                                          December 31, 1998
                                                       (Dollars in thousands)

                                                                      Gross Amount Carried at Close
                              Initial Cost to Company                      of Period 12/31/98            
                              -----------------------                --------------------------------
                                                          Costs                                                             Original
                                                       Capitalized                                   Accumulated             Constr-
                                        Buildings and  Subsequent           Buildings and            Depreciation   Date      uction
   Location           State    Land       Equipment  to Acquisition  Land     Equipment     Total (1)     (2)      Aquired      Date
- ------------------------------------------------------------------------------------------------------------------------------------
<S>                   <C>    <C>        <C>             <C>        <C>       <C>         <C>          <C>         <C>           <C> 
Dublin                GA          442        3,982           80         442       4,062        4,504       312     5/15/96      1968
Glenwood              GA          174        1,564            4         174       1,568        1,742       116     5/15/96      1972
Marietta              GA          300        2,702           35         300       2,737        3,037       211     5/15/96      1967
Clarinda              IA           77        1,453          293          77       1,746        1,823       254    12/30/93      1968
Council Bluffs        IA          225          893           99         225         992        1,217       164      4/1/95      1963
Mediapolis            IA           94        1,776          251          94       2,027        2,121       303    12/30/93      1973
Pacific Junction      IA           32          306            5          32         311          343        32      4/1/95      1978
Winterset             IA          111        2,099          493         111       2,592        2,703       375    12/30/93      1973
Arlington Heights     IL        3,621       32,587          534       3,665      33,077       36,742     3,550      9/9/94      1986
Chicago               IL        6,200       55,800           --       6,200      55,800       62,000     2,848    12/27/96      1990
Ellinwood             KS          130        1,137           53         130       1,190        1,320       126      4/1/95      1972
Boston                MA        2,164       20,836        1,978       2,164      22,814       24,978     6,788      5/1/89      1968
Hyannis               MA          829        7,463           --         829       7,463        8,292     1,677     5/11/92      1972
Middleboro            MA        1,771       15,752           --       1,771      15,752       17,523     3,501      5/1/88      1970
North Andover         MA        1,448       11,049           --       1,448      11,049       12,497     2,483     5/11/92      1985
Worcester             MA        1,829       15,071        1,869       1,829      16,940       18,769     5,522      5/1/88      1970
Silver Spring         MD        3,229       29,065          786       3,301      29,779       33,080     3,319     7/25/94      1992
St. Joseph            MO          111        1,027          195         111       1,222        1,333       154      6/4/93      1976
Tarkio                MO          102        1,938          415         102       2,353        2,455       336    12/30/93      1970
Concord               NC           90        2,126           --          90       2,126        2,216       483     9/10/98      1990
Wilson                NC           27        2,375           --          27       2,375        2,402       538     9/10/98      1990
Winston-Salem         NC           75        1,696           --          75       1,696        1,771       381     9/10/98      1990
Grand Island          NE          119        1,446          369         119       1,815        1,934       150      4/1/95      1963
Rochester             NH          466        3,219           69         466       3,288        3,754       320     1/30/95      1972
Burlington            NJ        1,300       11,700            7       1,300      11,707       13,007       952     9/29/95      1994
Rochester             NY        1,070        9,630           --       1,070       9,630       10,700       492    12/27/96      1988
Akron                 OH          330        5,370          727         330       6,097        6,427     2,200     5/15/87      1971
Grove City            OH          332        3,081           32         332       3,113        3,445       430      6/4/93      1965
Canonsburg            PA        1,499       13,493          606       1,518      14,080       15,598     3,622      3/1/91      1985
Huron                 SD           45          968            1          45         969        1,014       177     6/30/92      1968
Huron                 SD          144        3,108            4         144       3,112        3,256       567     6/30/92      1968
Sioux Falls           SD          253        3,062            4         253       3,066        3,319       561     6/30/92      1960
Bellaire              TX        1,223       11,010          177       1,238      11,172       12,410     1,291     5/16/94      1991
Arlington             VA        1,859       16,734          296       1,885      17,004       18,889     1,895     7/25/94      1992
Charlottesville       VA        2,936       26,422          471       2,976      26,853       29,829     3,048     6/17/94      1991
Virginia Beach        VA          881        7,926          141         893       8,055        8,948       931     5/16/94      1990


                                                                 S-2

<PAGE>
<CAPTION>
                                                        HRPT PROPERTIES TRUST
                                                            SCHEDULE III
                                              REAL ESTATE AND ACCUMULATED DEPRECIATION
                                                          December 31, 1998
                                                       (Dollars in thousands)

                                                                      Gross Amount Carried at Close
                              Initial Cost to Company                      of Period 12/31/98            
                              -----------------------                --------------------------------
                                                          Costs                                                             Original
                                                       Capitalized                                   Accumulated             Constr-
                                        Buildings and  Subsequent           Buildings and            Depreciation   Date      uction
   Location           State    Land       Equipment  to Acquisition  Land     Equipment     Total (1)     (2)      Aquired      Date
- ------------------------------------------------------------------------------------------------------------------------------------
<S>                   <C>    <C>        <C>             <C>        <C>       <C>         <C>          <C>         <C>           <C> 
Barre                 VT          129        3,825            4         129       3,829        3,958       379     1/30/95      1972
Barre                 VT          261        4,530          133         389       4,535        4,924       449     1/30/95      1979
Bennington            VT          160        4,385            5         160       4,390        4,550       434     1/30/95      1971
Burlington            VT          791        5,985          410         872       6,314        7,186       621     1/30/95      1968
Springfield           VT           50          747            1          50         748          798        74     1/30/95      1976
Springfield           VT           89        3,724          157         242       3,728        3,970       369     1/30/95      1971
St. Johnsbury         VT           95        3,416            4          95       3,420        3,515       338     1/30/95      1978
St. Albans            VT          154          710            1         154         711          865        70     1/30/95      1900
Seattle               WA          256        4,869           67         256       4,936        5,192       785     11/1/93      1964
Spokane               WA        1,035       13,315           --       1,035      13,315       14,350       581      5/7/97      1993
Brookfield            WI          834        3,849        8,014         834      11,863       12,697     1,928    12/28/90      1964
Clintonville          WI           14        1,695           38          14       1,733        1,747       389    12/28/90      1960
Clintonville          WI           49        1,625           87          30       1,731        1,761       387    12/28/90      1965
Madison               WI          144        1,633          110         144       1,743        1,887       390    12/28/90      1920
Milwaukee             WI          232        1,368            1         232       1,369        1,601       281     9/10/98      1970
Milwaukee             WI          277        3,883           --         277       3,883        4,160       769     3/27/92      1969
Pewaukee              WI          984        2,432           --         984       2,432        3,416       518     9/10/98      1963
Waukesha              WI           68        3,452        2,232          68       5,684        5,752     1,036    12/28/90      1958
Laramie               WY          191        3,632          199         191       3,831        4,022       595    12/30/93      1964
Worland               WY          132        2,503          589         132       3,092        3,224       432    12/30/93      1970
                              --------------------------------------------------------------------------------
         Subtotal              74,539      705,504       46,599      75,673     750,969     826,642    114,454
                              --------------------------------------------------------------------------------
Office Buildings:
Petersburg            AK          189          811           --         189         811        1,000        36     3/31/97      1983
Phoenix               AZ        2,687       11,532          231       2,729      11,721       14,450       472     5/15/97      1997
Safford               AZ          635        2,729           61         647       2,778        3,425       123     3/31/97      1992
Tuscon                AZ          765        3,280           75         779       3,341        4,120       148     3/31/97      1993
Anaheim               CA          691        6,223           --         691       6,223        6,914       234     12/5/97      1992
Anaheim               CA           82          735           --          82         735          817        28     12/5/97      1970
Anaheim               CA          133        1,201           --         133       1,201        1,334        45     12/5/97      1970
Kearney Mesa          CA        2,916       12,456          337       2,969      12,740       15,709       565     3/31/97      1994
Los Angeles           CA        5,076       49,884          768       5,076      50,652       55,728     2,090     5/15/97      1979
Los Angeles           CA        5,055       49,685          765       5,055      50,450       55,505     2,081     5/15/97      1979
Los Angeles           CA        1,921        8,242          190       1,955       8,398       10,353       304     7/11/97      1996
Newport Beach         CA        1,220        3,307           --       1,220       3,307        4,527        52     5/26/98      1984
Sacramento            CA          644        3,206           77         644       3,283        3,927       359     8/30/94      1984
San Diego             CA          294        2,650          201         294       2,851        3,145       161    12/31/96      1984


                                                                 S-3

<PAGE>
<CAPTION>
                                                        HRPT PROPERTIES TRUST
                                                            SCHEDULE III
                                              REAL ESTATE AND ACCUMULATED DEPRECIATION
                                                          December 31, 1998
                                                       (Dollars in thousands)

                                                                      Gross Amount Carried at Close
                              Initial Cost to Company                      of Period 12/31/98            
                              -----------------------                --------------------------------
                                                          Costs                                                             Original
                                                       Capitalized                                   Accumulated             Constr-
                                        Buildings and  Subsequent           Buildings and            Depreciation   Date      uction
   Location           State    Land       Equipment  to Acquisition  Land     Equipment     Total (1)     (2)      Aquired      Date
- ------------------------------------------------------------------------------------------------------------------------------------
<S>                   <C>    <C>        <C>             <C>        <C>       <C>         <C>          <C>         <C>           <C> 
San Diego             CA        2,984       12,859        2,197       3,038      15,002       18,040       616     3/31/97      1996
San Diego             CA          502        4,526          342         502       4,868        5,370       276    12/31/96      1984
San Diego             CA        4,269       18,316          413       4,347      18,651       22,998       827     3/31/97      1996
San Diego             CA          316        2,846          215         316       3,061        3,377       173    12/31/96      1984
San Diego             CA        1,228       11,199           41       1,228      11,240       12,468       574     12/5/96      1985
San Diego             CA          992        9,040           33         992       9,073       10,065       463     12/5/96      1985
San Diego             CA        1,985       18,096           67       1,985      18,163       20,148       927     12/5/96      1985
San Diego             CA          313        2,820          213         313       3,033        3,346       172    12/31/96      1984
Aurora                CO        1,152       13,272           --       1,152      13,272       14,424       494    11/14/97      1993
Golden                CO          494          152        6,736         495       6,887        7,382       122     3/31/97      1997
Wallingford           CT          367        3,301           --         367       3,301        3,668         3    12/22/98      1988
Wallingford           CT          640       10,017           --         640      10,017       10,657       136      6/1/98      1986
Washington            DC        5,975       53,778          223       5,975      54,001       59,976       733     6/23/98      1991
Washington            DC        1,851       16,511          197       1,851      16,708       18,559       636    12/19/97      1966
Washington            DC        6,979       29,949          871       7,107      30,692       37,799     1,373     3/31/97      1989
Washington            DC       12,008       51,528        1,282      12,227      52,591       64,818     2,330     3/31/97      1996
Washington            DC        2,485       22,696        1,188       2,485      23,884       26,369     1,405     9/13/96      1976
Wilmington            DE        4,409       39,681           --       4,409      39,681       44,090       455     7/23/98      1986
Miami                 FL          144        1,297           --         144       1,297        1,441        27     3/19/98      1987
Orlando               FL          256        2,308           --         256       2,308        2,564        52     2/19/98      1997
Orlando               FL          722        6,499           --         722       6,499        7,221       142     2/19/98      1997
Orlando               FL           --          362           --          --         362          362        --     2/19/98      1997
Savannah              GA          544        2,330          104         553       2,425        2,978       105     3/31/97      1990
Kansas City           KS        1,042        4,469          438       1,061       4,888        5,949       239     3/31/97      1990
Boston                MA        1,500       13,500          262       1,500      13,762       15,262     1,061    12/18/95      1988
Boston                MA        1,447       13,028           45       1,448      13,072       14,520     1,075     9/28/95      1993
Boston                MA        3,378       30,397        1,694       3,378      32,091       35,469     2,851     9/28/95      1988
Charlton              MA          141        1,269            8         141       1,277        1,418        52     5/15/97      1988
Fitchburg             MA          223        2,004           10         223       2,014        2,237        82     5/15/97      1994
Grafton               MA           37          336            4          37         340          377        14     5/15/97      1930
Lexington             MA        1,054        9,487           --       1,054       9,487       10,541       228     1/30/98      1994
Milford               MA          144        1,297            9         144       1,306        1,450        53     5/15/97      1989
Millbury              MA           34          309            4          34         313          347        13     5/15/97      1950
Northbridge           MA           32          290            5          32         295          327        12     5/15/97      1962
Paxton                MA           24          212            4          24         216          240         9     5/15/97      1984
Quincy                MA        2,487       16,645           19       2,487      16,664       19,151       296      4/3/98      1988


                                                                 S-4

<PAGE>
<CAPTION>
                                                        HRPT PROPERTIES TRUST
                                                            SCHEDULE III
                                              REAL ESTATE AND ACCUMULATED DEPRECIATION
                                                          December 31, 1998
                                                       (Dollars in thousands)

                                                                      Gross Amount Carried at Close
                              Initial Cost to Company                      of Period 12/31/98            
                              -----------------------                --------------------------------
                                                          Costs                                                             Original
                                                       Capitalized                                   Accumulated             Constr-
                                        Buildings and  Subsequent           Buildings and            Depreciation   Date      uction
   Location           State    Land       Equipment  to Acquisition  Land     Equipment     Total (1)     (2)      Aquired      Date
- ------------------------------------------------------------------------------------------------------------------------------------
<S>                   <C>    <C>        <C>             <C>        <C>       <C>         <C>          <C>         <C>           <C> 
Quincy                MA        1,658       11,097           13       1,658      11,110       12,768       198      4/3/98      1988
Spencer               MA          211        1,902           11         211       1,913        2,124        78     5/15/97      1992
Sturbridge            MA           83          751            6          83         757          840        31     5/15/97      1986
Webster               MA          315        2,834           14         315       2,848        3,163       116     5/15/97      1995
Westborough           MA           42          381            5          42         386          428        16     5/15/97      1900
Westborough           MA           24          216            4          24         220          244         9     5/15/97      1953
Westborough           MA          166        1,498            8         166       1,506        1,672        61     5/15/97      1977
Westborough           MA          396        3,562           15         396       3,577        3,973       145     5/15/97      1986
Westwood              MA          537        4,960            1         538       4,960        5,498       244      1/8/97      1977
Westwood              MA          500        4,562            1         500       4,563        5,063        61      6/8/98      1990
Westwood              MA          303        2,740           59         304       2,798        3,102       148    11/26/96      1980
Worcester             MA          354        3,189           14         354       3,203        3,557       130     5/15/97      1985
Worcester             MA          111        1,000            6         111       1,006        1,117        41     5/15/97      1986
Worcester             MA          265        2,385           12         265       2,397        2,662        97     5/15/97      1972
Worcester             MA        1,132       10,186           38       1,132      10,224       11,356       415     5/15/97      1989
Worcester             MA          158        1,417            7         157       1,425        1,582        58     5/15/97      1992
Worcester             MA          895        8,052           41         895       8,093        8,988       328     5/15/97      1990
Baltimore             MD          900        8,097           --         900       8,097        8,997        42    10/15/98      1989
Baltimore             MD           --       12,430           73          --      12,503       12,503       520    11/18/97      1988
College Park          MD        9,423       40,433          934       9,595      41,195       50,790     1,830     3/31/97      1994
Gaithersburg          MD        4,381       18,798          464       4,461      19,182       23,643       858     3/31/97      1995
Germantown            MD        2,305        9,890          263       2,347      10,111       12,458       452     3/31/97      1995
Oxon Hill             MD        3,181       13,653          323       3,240      13,917       17,157       619     3/31/97      1992
Rockville             MD        3,251       29,258           27       3,251      29,285       32,536       640      2/2/98      1986
Bloomington           MN        1,898       17,081        2,150       1,898      19,231       21,129       338     3/19/98      1995
Eagan                 MN        1,424       12,822            1       1,425      12,822       14,247       254     3/19/98      1986
Mendota Heights       MN          533        4,795           --         533       4,795        5,328        95     3/19/98      1995
Kansas City           MO        1,443        6,193          140       1,470       6,306        7,776       280     3/31/97      1995
Florham Park          NJ        1,412       12,709           --       1,412      12,709       14,121       145     7/31/98      1979
Vorhees               NJ        1,053        6,625           --       1,053       6,625        7,678       104     5/26/98      1990
Vorhees               NJ          445        2,798           --         445       2,798        3,243        44     5/26/98      1990
Vorhees               NJ          673        4,232           --         673       4,232        4,905        66     5/26/98      1990
Albequerque           NM          493        2,119           58         503       2,167        2,670        96     3/31/97      1984
Sante Fe              NM        1,551        6,650          150       1,578       6,773        8,351       300     3/31/97      1987
Brooklyn              NY          775        7,054            2         775       7,056        7,831       448      6/6/96      1971
Buffalo               NY        4,405       18,899          426       4,485      19,245       23,730       853     3/31/97      1994


                                                                 S-5

<PAGE>
<CAPTION>
                                                        HRPT PROPERTIES TRUST
                                                            SCHEDULE III
                                              REAL ESTATE AND ACCUMULATED DEPRECIATION
                                                          December 31, 1998
                                                       (Dollars in thousands)

                                                                      Gross Amount Carried at Close
                              Initial Cost to Company                      of Period 12/31/98            
                              -----------------------                --------------------------------
                                                          Costs                                                             Original
                                                       Capitalized                                   Accumulated             Constr-
                                        Buildings and  Subsequent           Buildings and            Depreciation   Date      uction
   Location           State    Land       Equipment  to Acquisition  Land     Equipment     Total (1)     (2)      Aquired      Date
- ------------------------------------------------------------------------------------------------------------------------------------
<S>                   <C>    <C>        <C>             <C>        <C>       <C>         <C>          <C>         <C>           <C> 
Irondoquoit           NY        1,910       17,189           21       1,910      17,210       19,120       234     6/30/98      1986
New York              NY       44,000       66,976           --      44,000      66,976      110,976     2,080     10/1/97      1989
White Plains          NY        1,200       10,870          798       1,200      11,668       12,868       790      2/6/96      1952
Mason                 OH        1,528       13,748           --       1,528      13,748       15,276       186     6/10/98      1994
Oklahoma City         OK        4,596       19,721          445       4,680      20,082       24,762       890     3/31/97      1992
Fort Washington       PA        1,154        7,722           --       1,154       7,722        8,876       169     1/15/98      1996
FT. Washington        PA        1,184        5,559           --       1,184       5,559        6,743       180     9/22/97      1967
FT. Washington        PA          683        3,198           --         683       3,198        3,881       104     9/22/97      1970
FT. Washington        PA        1,872        8,816           --       1,872       8,816       10,688       286     9/22/97      1960
Greensburg            PA          780        7,026           --         780       7,026        7,806        95      6/3/98      1997
Horsham               PA          741        3,611            7         741       3,618        4,359       117     9/22/97      1983
King of Prussia       PA          634        3,251           --         634       3,251        3,885       108     9/22/97      1964
King of Prussia       PA          552        2,893           --         552       2,893        3,445        64      2/2/98      1996
King of Prussia       PA          354        3,183           --         354       3,183        3,537        70      2/2/98      1997
Philadelphia          PA       24,753      222,775          103      14,364     233,267      247,631     3,028     6/30/98      1990
Philadelphia          PA        7,884       71,002          101       7,884      71,103       78,987     2,675    11/13/97      1987
Philadelphia          PA       13,849      101,559          152      13,849     101,711      115,560     2,010     3/30/98      1983
Pittsburg             PA        1,663       14,966            8       1,663      14,974       16,637       109     9/14/98      1994
Pittsburg             PA          720        9,589           --         720       9,589       10,309       211     2/27/98      1991
Plymouth              PA        1,412        7,415          899       1,412       8,314        9,726       181     1/15/98      1996
Washington            PA          631        5,698           --         631       5,698        6,329         6     12/1/98      1998
Lincoln               RI          320        7,690           --         320       7,690        8,010       287    11/13/97      1997
Memphis               TN        2,206       19,856          111       2,206      19,967       22,173       188     8/31/98      1989
Austin                TX        2,317       21,037           --       2,317      21,037       23,354       787     12/5/97      1996
Austin                TX        1,529       13,760           --       1,529      13,760       15,289       157     7/16/98      1993
Austin                TX        2,072       18,650            5       2,072      18,655       20,727        97    10/20/98      1997
Austin                TX          562        5,054           --         562       5,054        5,616        26    10/20/98      1997
Austin                TX       18,440           --           21      18,440          21       18,461         0     10/7/98      1968
Austin                TX        1,476       13,286           --       1,476      13,286       14,762        69    10/20/98      1997
Austin                TX        1,436       12,927           --       1,436      12,927       14,363        67     10/7/98      1998
Austin                TX        4,878       43,903           34       4,878      43,937       48,815       229     10/7/98      1968
Austin                TX        1,226       11,126           --       1,226      11,126       12,352       416     12/5/97      1997
Austin                TX        1,402       12,729            2       1,402      12,731       14,133       476     12/5/97      1997
Austin                TX        1,621       14,594          653       1,621      15,247       16,868       609     12/5/97      1997
Austin                TX        1,218       11,040          103       1,218      11,143       12,361       420     12/5/97      1986
Austin                TX        1,439        6,137           30       1,439       6,167        7,606       121     3/24/98      1975


                                                                 S-6

<PAGE>
<CAPTION>
                                                        HRPT PROPERTIES TRUST
                                                            SCHEDULE III
                                              REAL ESTATE AND ACCUMULATED DEPRECIATION
                                                          December 31, 1998
                                                       (Dollars in thousands)

                                                                      Gross Amount Carried at Close
                              Initial Cost to Company                      of Period 12/31/98            
                              -----------------------                --------------------------------
                                                          Costs                                                             Original
                                                       Capitalized                                   Accumulated             Constr-
                                        Buildings and  Subsequent           Buildings and            Depreciation   Date      uction
   Location           State    Land       Equipment  to Acquisition  Land     Equipment     Total (1)     (2)      Aquired      Date
- ------------------------------------------------------------------------------------------------------------------------------------
<S>                   <C>    <C>        <C>             <C>        <C>       <C>         <C>          <C>         <C>           <C> 
Austin                TX          466        4,191           42         466       4,233        4,699       101     1/27/98      1980
Irving                TX          542        4,879           --         542       4,879        5,421        97     3/19/98      1995
Irving                TX          846        7,616           --         846       7,616        8,462       151     3/19/98      1995
Waco                  TX        2,030        8,708          160       2,060       8,838       10,898       229    12/23/97      1997
Alexandria            VA        2,109       18,982           --       2,109      18,982       21,091        20    12/30/98      1987
Arlington             VA          810        7,289           --         810       7,289        8,099        68     8/26/98      1987
Fairfax               VA          569        5,122           84         569       5,206        5,775       275     12/4/96      1990
Falls Church          VA        3,456       14,828          625       3,519      15,390       18,909       674     3/31/97      1993
Richland              WA        3,970       17,035          383       4,042      17,346       21,388       769     3/31/97      1995
Falling Waters        WV          906        3,886          106         922       3,976        4,898       176     3/31/97      1993
Cheyenne              WY        1,915        8,217          185       1,950       8,367       10,317       371     3/31/97      1995
                            ----------------------------------------------------------------------------------
         Subtotal             303,023    1,797,144       29,673     294,097   1,835,743   2,129,840     55,357
                            ----------------------------------------------------------------------------------
  Grand Total                $377,562   $2,502,648      $76,272    $369,770  $2,586,712  $2,956,482   $169,811
                            ==================================================================================

<FN>
(1)  Aggregate cost for federal income tax purposes is approximately $2,882,104.
(2)  Depreciation is provided for on buildings and improvements for periods ranging up to 40 years and on equipment up to 12 years.
</FN>
</TABLE>


                                                                 S-7
<PAGE>



                              HRPT PROPERTIES TRUST
                                  Schedule III
                    REAL ESTATE AND ACCUMULATED DEPRECIATION
                                December 31, 1998
                             (Dollars in thousands)
                                                                 


Reconciliation  of  the  carrying  amount  of  real  estate  and  equipment  and
accumulated depreciation at the beginning of the period:

                                         Real Estate and        Accumulated
                                            Equipment          Depreciation
                                       --------------------   ----------------
Balance at January 1, 1996                    $778,211              $55,855
   Additions                                   227,528               21,066
                                       --------------------   ----------------
Balance at December 31, 1996                 1,005,739               76,921
   Additions                                   998,579               37,619
   Disposals                                   (35,295)              (2,871)
                                       --------------------   ----------------
Balance at December 31, 1997                 1,969,023              111,669
   Additions                                 1,004,523               58,837
   Disposals                                   (17,064)                (695)
                                       --------------------   ----------------
Balance at December 31, 1998                $2,956,482             $169,811
                                       ====================   ================


                                      S-8
<PAGE>






<TABLE>
<CAPTION>
                                                        HRPT PROPERTIES TRUST
                                                             SCHEDULE IV
                                                    MORTGAGE LOANS ON REAL ESTATE
                                                          December 31, 1998
                                                       (Dollars in thousands)
                                                                                                        (1)      Principal Amount of
                             Final                                                        Face        Carrying    Loans Subject to
                  Interest  Maturity                                                     Value of     Value of  Delinquent Principal
Location           Rate      Date       Periodic Payment Terms                           Mortgage     Mortgage      or Interest
- ----------------- --------- ----------- --------------------------------------------- --------------- --------- --------------------

<S>                <C>       <C> <C>                                                      <C>            <C>           <C>
Farmington, MI     11.50%    1/1/06     Principal and interest, payable monthly in        $4,200         $4,200        $--
                                        arrears.  $3.8 million due at maturity.

Jacksonville, FL   10.50%    3/31/06    Interest only, payable monthly in arrears.         5,000          5,000         --
                                        $5.0 million due at maturity.

Howell, MI         11.50%    1/1/06     Principal and interest, payable monthly in         4,981          4,981         --
                                        arrears.  $4.5 million due at maturity.

Ainsworth, NE      10.64%   12/31/16    Principal and interest, payable monthly in         5,154          5,154         --
Ashland, NE                             arrears.  $2.8 million due at maturity.
Blue Hill, NE
Gretna, NE
Sutherland, NE
Waverly, NE

Ainsworth, NE      11.00%   12/31/16    Principal and interest, payable monthly in         2,052          2,052         --
Ashland, NE                             arrears.  $1.1 million due at maturity.
Blue Hill, NE
Edgar, NE
Gretna, NE
Sutherland, NE
Waverly, NE
Lyons, NE
Milford, NE

Torrance, CA       12.50%   12/31/02    Principal and interest, payable monthly in        12,233         12,233        232
Torrance, CA                            arrears.  $11.8 million due at maturity.
Anaheim, CA

Arleta, CA          9.96%    9/30/01    Interest only, payable monthly in arrears.         2,410          2,410         79
                                        $2.4 million due at maturity.


                                                                 S-9
<PAGE>




<CAPTION>
                                                        HRPT PROPERTIES TRUST
                                                       SCHEDULE IV- continued
                                                    MORTGAGE LOANS ON REAL ESTATE
                                                          December 31, 1998
                                                       (Dollars in thousands)
                                                                                                        (1)      Principal Amount of
                             Final                                                        Face        Carrying    Loans Subject to
                  Interest  Maturity                                                     Value of     Value of  Delinquent Principal
Location           Rate      Date       Periodic Payment Terms                           Mortgage     Mortgage      or Interest
- ----------------- --------- ----------- --------------------------------------------- --------------- --------- --------------------

<S>                <C>       <C> <C>                                                  <C>             <C>       <C>  
Spencer, NC        8.125%    2/1/99     Principal and interest, payable monthly in         2,973          2,803         --
                                        arrears.  $3.0 million due at maturity.

Slidell, LA        11.00%    12/31/10   Principal and interest, payable monthly in        18,992         18,992         --
                                        arrears.  $13.9 million due at maturity.

8 Mortgages        7.87% -   8/99-12/16 Interest only or principal and interest,          11,109         10,269         --
                   13.75%               payable monthly in arrears.

- ----------------- --------- ----------- --------------------------------------------- --------------- --------- --------------------
                                                                                         $69,104        $68,094       $311
                                                                                      =============== ========= ====================

<FN>
(1) Also represents cost for federal income tax purposes.
</FN>
</TABLE>

                                                                S-10
<PAGE>




<TABLE>
<CAPTION>
                                                        HRPT PROPERTIES TRUST
                                                        SCHEDULE IV-continued
                                                    MORTGAGE LOANS ON REAL ESTATE
                                                          December 31, 1998
                                                       (Dollars in thousands)


         Reconciliation of the carrying amount of mortgage loans at the beginning of the period:

<S>                                                                                                                 <C>     
         Balance at January 1, 1996                                                                                       $139,248
            New mortgage loans                                                                                               5,918
            Collections of principal, net of discounts                                                                      (7,921)
                                                                                                                    ----------------
         Balance at December 31, 1996                                                                                      137,245
            New mortgage loans                                                                                               1,520
            Collections of principal, net of discounts                                                                     (37,263)
                                                                                                                    ----------------
         Balance at December 31, 1997                                                                                      101,502
            Collections of principal, net of discounts                                                                     (33,408)
                                                                                                                    ----------------
         Balance at December 31, 1998                                                                                      $68,094
                                                                                                                    ================
</TABLE>


                                                                S-11
<PAGE>






                                   SIGNATURES

         Pursuant to the  requirements  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.

                                      HRPT PROPERTIES TRUST

                                      By: /s/ David J. Hegarty
                                          David J. Hegarty
                                          President and Chief Operating Officer
                                          Dated:  March 31, 1999

         Pursuant to the  requirements  of the Securities  Exchange Act of 1934,
this  report  has  been  signed  below  by the  following  persons,  or by their
attorney-in-fact, in the capacities and on the dates indicated.

<TABLE>
<CAPTION>
Signature                                   Title                                                Date

<S>                                         <C>                                                  <C>
/s/ David J. Hegarty                        President and Chief Operating Officer                March 31, 1999
- ------------------------------------
David J. Hegarty


/s/ Ajay Saini                              Treasurer and Chief Financial Officer                March 31, 1999
- ------------------------------------
Ajay Saini


/s/ Bruce M. Gans, M.D.                     Trustee                                              March 31, 1999
- ------------------------------------
Bruce M. Gans, M.D.


/s/ Patrick F. Donelan                      Trustee                                              March 31, 1999
- ------------------------------------
Patrick F. Donelan


/s/ Justinian Manning, C.P.                 Trustee                                              March 31, 1999
- ------------------------------------
Rev. Justinian Manning, C.P.


/s/ Gerard M. Martin                        Trustee                                              March 31, 1999
- ------------------------------------
Gerard M. Martin


/s/ Barry M. Portnoy                        Trustee                                              March 31, 1999
- ------------------------------------
Barry M. Portnoy
</TABLE>



                          SUPPLEMENTAL INDENTURE NO. 6

                                 by and between

                              HRPT PROPERTIES TRUST

                                       and

                       STATE STREET BANK AND TRUST COMPANY

                              as of March 24, 1999




             SUPPLEMENTAL TO THE INDENTURE DATED AS OF JULY 9, 1997




                      ------------------------------------





                              HRPT PROPERTIES TRUST
                   7 7/8% Monthly Income Senior Notes due 2009



<PAGE>



         This SUPPLEMENTAL INDENTURE NO. 6 (this "Supplemental  Indenture") made
and entered into as of March 24, 1999 between HRPT PROPERTIES  TRUST, a Maryland
real estate  investment trust (the  "Company"),  and STATE STREET BANK AND TRUST
COMPANY, a Massachusetts trust company, as Trustee (the "Trustee").

                                WITNESSETH THAT:

         WHEREAS,  the Company and the Trustee have  executed  and  delivered an
Indenture, dated as of July 9, 1997 (the "Indenture"), relating to the Company's
issuance, from time to time, of various series of debt securities; and

         WHEREAS,  the Company has determined to issue debt securities  known as
its 7 7/8% Monthly Income Senior Notes due 2009; and

         WHEREAS,  the Indenture  provides that certain terms and conditions for
each series of debt securities issued by the Company thereunder may be set forth
in an indenture supplemental to the Indenture;

         NOW, THEREFORE, THIS SUPPLEMENTAL INDENTURE WITNESSETH:

                                    ARTICLE 1

                                  DEFINED TERMS

         Section 1.1 The following  definitions  supplement,  and, to the extent
inconsistent with, replace the definitions in Section 101 of the Indenture:

         "Acquired  Debt"  means Debt of a Person (i)  existing at the time such
Person becomes a Subsidiary or (ii) assumed in connection  with the  acquisition
of assets from such Person, in each case, other than Debt incurred in connection
with,  or in  contemplation  of,  such  Person  becoming  a  Subsidiary  or such
acquisition.  Acquired  Debt shall be deemed to be  incurred  on the date of the
related  acquisition  of assets from any Person or the date the acquired  Person
becomes a Subsidiary.

         "Annual Debt Service" as of any date means the maximum  amount which is
expensed  in any 12- month  period for  interest  on Debt of the Company and its
Subsidiaries.

         "Business  Day" means any day other than a Saturday  or Sunday or a day
on which  banking  institutions  in The City of New York or in the city in which
the Corporate Trust Office of the Trustee is located, are required or authorized
to close.

         "Capital  Stock" means,  with respect to any Person,  any capital stock
(including preferred stock), shares, interests, participation or other ownership
interests  (however  designated)  of such Person and any rights (other than debt
securities  convertible  into or exchangeable  for capital  stock),  warrants or
options to purchase any thereof.

         "Consolidated  Income  Available for Debt Service" for any period means
Earnings from Operations of the Company and its Subsidiaries  plus amounts which
have been deducted,  and minus amounts which have been added,  for the following
(without duplication): (i) interest on Debt of the Company and its Subsidiaries,
(ii)  provision for taxes of the Company and its  Subsidiaries  based on income,
(iii)   amortization  of  debt  discount  and  deferred  financing  costs,  (iv)
provisions  for gains and losses on  properties  and property  depreciation  and
amortization,  (v) the effect of any noncash  charge  resulting from a change in
accounting


<PAGE>



principles  in  determining  Earnings from  Operations  for such period and (vi)
amortization of deferred charges.

         "Debt" of the Company or any Subsidiary means, without duplication, any
indebtedness  of the Company or any Subsidiary,  whether or not  contingent,  in
respect of (i)  borrowed  money or  evidenced  by bonds,  notes,  debentures  or
similar  instruments,  (ii)  indebtedness  for  borrowed  money  secured  by any
Encumbrance existing on property owned by the Company or any Subsidiary,  to the
extent of the lesser of (x) the amount of  indebtedness  so secured  and (y) the
fair  market  value of the  property  subject  to such  Encumbrance,  (iii)  the
reimbursement  obligations,  contingent  or otherwise,  in  connection  with any
letters of credit  actually  issued  (other  than  letters  of credit  issued to
provide credit  enhancement or support with respect to other indebtedness of the
Company or any  Subsidiary  otherwise  reflected as Debt  hereunder)  or amounts
representing  the  balance  deferred  and  unpaid of the  purchase  price of any
property  or  services,  except any such  balance  that  constitutes  an accrued
expense or trade payable,  or all  conditional  sale  obligations or obligations
under  any  title  retention  agreement,   (iv)  the  principal  amount  of  all
obligations  of the  Company  or any  Subsidiary  with  respect  to  redemption,
repayment or other  repurchase of any  Disqualified  Stock,  or (v) any lease of
property by the Company or any  Subsidiary  as lessee  which is reflected on the
Company's  consolidated  balance sheet as a capitalized lease in accordance with
GAAP,  to the  extent,  in the case of items of  indebtedness  under (i) through
(iii) above,  that any such items (other than letters of credit) would appear as
a liability on the Company's consolidated balance sheet in accordance with GAAP,
and also includes,  to the extent not otherwise included,  any obligation by the
Company or any Subsidiary to be liable for, or to pay, as obligor,  guarantor or
otherwise  (other than for  purposes of  collection  in the  ordinary  course of
business), Debt of another Person (other than the Company or any Subsidiary) (it
being  understood that Debt shall be deemed to be incurred by the Company or any
Subsidiary  whenever  the  Company  or such  Subsidiary  shall  create,  assume,
guarantee or otherwise become liable in respect thereof).

         "Disqualified  Stock"  means,  with respect to any Person,  any Capital
Stock of such Person which by the terms of such  Capital  Stock (or by the terms
of any security into which it is convertible or for which it is  exchangeable or
exercisable),  upon the  happening of any event or  otherwise  (i) matures or is
mandatorily  redeemable,  pursuant to a sinking  fund  obligation  or  otherwise
(other than  Capital  Stock which is  redeemable  solely in exchange  for common
stock or shares),  (ii) is convertible  into or  exchangeable or exercisable for
Debt or  Disqualified  Stock, or (iii) is redeemable at the option of the holder
thereof,  in whole or in part (other  than  Capital  Stock  which is  redeemable
solely in exchange for common stock or shares),  in each case on or prior to the
Stated Maturity of the Notes.

         "Earnings from Operations" for any period means net earnings  excluding
gains  and  losses on sales of  investments,  extraordinary  items and  property
valuation  losses,  as reflected in the financial  statements of the Company and
its  Subsidiaries  for  such  period,  determined  on a  consolidated  basis  in
accordance with GAAP.

         "Encumbrance"  means any  mortgage,  lien,  charge,  pledge or security
interest of any kind.

         "Notes"  means the  Company's 7 7/8%  Monthly  Income  Senior Notes due
2009, issued under this Supplemental Indenture and the Indenture,  as amended or
supplemented from time to time.

         "Secured Debt" means Debt secured by any mortgage, lien, charge, pledge
or security interest of any kind.

         "Subsidiary"  means any corporation or other entity of which a majority
of (i) the voting power of the voting equity  securities or (ii) the outstanding
equity interests of which are owned,  directly or indirectly,  by the Company or
one or  more  other  Subsidiaries  of the  Company.  For  the  purposes  of this
definition,  "voting equity  securities"  means equity  securities having voting
power for the election of directors,  whether at all times or only so long as no
senior class of security has such voting power by reason of any contingency.

                                       -2-

<PAGE>



         "Total  Assets" as of any date  means the sum of (i) the  Undepreciated
Real Estate Assets and (ii) all other assets of the Company and its Subsidiaries
determined  in  accordance  with GAAP (but  excluding  accounts  receivable  and
intangibles).

         "Total  Unencumbered  Assets" means the sum of (i) those  Undepreciated
Real Estate Assets not subject to an Encumbrance for borrowed money and (ii) all
other assets of the Company and its  Subsidiaries  not subject to an Encumbrance
for borrowed money  determined in accordance  with GAAP (but excluding  accounts
receivable and intangibles).

         "Undepreciated  Real  Estate  Assets"  as of any  date  means  the cost
(original cost plus capital  improvements)  of real estate assets of the Company
and its  Subsidiaries  on  such  date,  before  depreciation  and  amortization,
determined on a consolidated basis in accordance with GAAP.

         "Unsecured  Debt"  means  Debt  which  is  not  secured  by  any of the
properties of the Company or any Subsidiary.


                                    ARTICLE 2

                               TERMS OF THE NOTES

         Section 2.1 Pursuant to Section 301 of the  Indenture,  the Notes shall
have the following terms and conditions:

         (a) Title;  Aggregate  Principal Amount; Form of Notes. The Notes shall
be Registered Securities under the Indenture and shall be known as the Company's
"7 7/8% Monthly  Income  Senior Notes due 2009." The Notes will be limited to an
aggregate principal amount of $103,500,000,  subject to the right of the Company
to reopen such series for issuances of additional  securities of such series and
except as provided in this  Section  and in Section  306 of the  Indenture.  The
Notes  (together  with the Trustee's  certificate  of  authentication)  shall be
substantially in the form of Exhibit A hereto,  which is hereby  incorporated in
and made a part of this Supplemental Indenture.

         The Notes will be issued in the form of one or more  registered  global
securities  without coupons  ("Global Notes") that will be deposited with, or on
behalf of, The Depository Trust Company  ("DTC"),  and registered in the name of
DTC's nominee,  Cede & Co. Except under the  circumstance  described  below, the
Notes will not be issuable in definitive form.  Unless and until it is exchanged
in whole or in part for the individual notes represented  thereby, a Global Note
may not be  transferred  except  as a whole by DTC to a  nominee  of DTC or by a
nominee of DTC to DTC or another  nominee of DTC or by DTC or any nominee of DTC
to a successor depositary or any nominee of such successor.

         So long as DTC or its nominee is the registered owner of a Global Note,
DTC or such nominee,  as the case may be, will be  considered  the sole owner or
holder of the Notes  represented by such Global Note for all purposes under this
Supplemental Indenture. Except as described below, owners of beneficial interest
in Notes  evidenced  by a Global  Note will not be  entitled  to have any of the
individual Notes represented by such Global Note registered in their names, will
not  receive or be entitled  to receive  physical  delivery of any such Notes in
definitive  form and will not be considered the owners or holders  thereof under
the Indenture or this Supplemental Indenture.

         If DTC is at any time  unwilling,  unable or  ineligible to continue as
depositary and a successor  depositary is not appointed by the Company within 90
days, the Company will issue individual Notes in exchange for the Global Note or
Global Notes representing such Notes. In addition, the Company may at

                                       -3-

<PAGE>



any time and in its sole discretion, subject to certain limitations set forth in
the  Indenture,  determine not to have any of such Notes  represented  by one or
more Global Notes and, in such event,  will issue  individual  Notes in exchange
for the Global Note or Global Notes representing the Notes.  Individual Notes so
issued will be issued in denominations of $1,000 and integral multiples thereof.

         (b) Interest and Interest  Rate. The Notes will bear interest at a rate
of 7 7/8% per annum,  from March 24, 1999 (or, in the case of Notes  issued upon
the reopening of this series of Notes,  from the date  designated by the Company
in connection with such reopening) or from the  immediately  preceding  Interest
Payment  Date to which  interest  has been paid or duly  provided  for,  payable
monthly in arrears on the 15th of each month,  commencing  May 15, 1999 (each of
which shall be an "Interest  Payment  Date"),  to the Persons in whose names the
Notes are  registered  in the Security  Register at the close of business on the
1st of each month  (whether  or not a Business  Day),  as the case may be,  next
preceding such Interest Payment Date (each, a "Regular Record Date").

         (c) Principal Repayment;  Currency. The Stated Maturity of the Notes is
April 15,  2009,  provided,  however,  the Notes may be earlier  redeemed at the
option of the Company as provided in paragraph (d) below.  The principal of each
Note  payable  on its  maturity  date  shall be paid  against  presentation  and
surrender  thereof  at  the  Corporate  Trust  Office  of the  Trustee,  located
initially at Two International Place, Boston,  Massachusetts 02110, in such coin
or currency  of the United  States of America as at the time of payment is legal
tender for the  payment of public or private  debts.  The  Company  will not pay
Additional Amounts (as defined in the Indenture) on the Notes.

         (d)  Redemption at the Option of the Company;  Acceleration.  The Notes
may not be redeemed prior to April 15, 2002.  From and after April 15, 2002, the
Notes will be subject to redemption at any time at the option of the Company, in
whole or in part,  upon not less than 30 nor more  than 60 days'  notice to each
Holder  of  Notes  to be  redeemed  at its  address  appearing  in the  Security
Register,  at a price equal to the principal amount of the Notes being redeemed,
plus accrued and unpaid  interest to but  excluding  the  applicable  Redemption
Date.  Upon the  acceleration of the Notes in accordance with Section 502 of the
Indenture,  the principal amount of the Notes,  plus accrued and unpaid interest
thereon shall become due and payable immediately.

         (e) Notices. All notices and other communications hereunder shall be in
writing and shall be deemed to have been duly given if mailed or  transmitted by
any standard form of telecommunication. Notices to the Company shall be directed
to it at 400 Centre Street, Newton,  Massachusetts 02458, Attention:  President;
notices to the  Trustee  shall be  directed  to it at Two  International  Place,
Boston,  Massachusetts 02110,  Attention:  Corporate Trust Department,  Re: HRPT
Properties  Trust 7 7/8% Monthly  Income  Senior Notes due 2009; or as to either
party,  at such other  address as shall be designated by such party in a written
notice to the other party.

         (f) Global  Note  Legend.  Each  Global  Note shall bear the  following
legend on the face thereof:

         UNLESS THIS NOTE IS PRESENTED BY AN  AUTHORIZED  REPRESENTATIVE  OF THE
         DEPOSITORY  TRUST  COMPANY,  A NEW  YORK  CORPORATION  ("DTC"),  TO THE
         COMPANY OR ITS AGENT FOR REGISTRATION OF TRANSFER, EXCHANGE OR PAYMENT,
         AND ANY NOTE ISSUED IS  REGISTERED IN THE NAME OF CEDE & CO. OR IN SUCH
         OTHER NAME AS IS REQUESTED BY AN AUTHORIZED  REPRESENTATIVE OF DTC (AND
         ANY  PAYMENT  IS MADE  TO CEDE & CO.  OR TO  SUCH  OTHER  ENTITY  AS IS
         REQUESTED BY AN AUTHORIZED REPRESENTATIVE OF DTC), ANY TRANSFER, PLEDGE
         OR OTHER USE  HEREOF  FOR  VALUE OR  OTHERWISE  BY OR TO ANY  PERSON IS
         WRONGFUL  INASMUCH AS THE REGISTERED  OWNER HEREOF,  CEDE & CO., HAS AN
         INTEREST HEREIN.

                                       -4-

<PAGE>



         (g)  Applicability  of Discharge,  Defeasance  and Covenant  Defeasance
Provisions.  The  Discharge,  Defeasance and Covenant  Defeasance  provisions in
Article Fourteen of the Indenture will apply to the Notes.

                                    ARTICLE 3

                              ADDITIONAL COVENANTS

         Section 3.1 In addition  to the  covenants  of the Company set forth in
Article Ten of the Indenture, for the benefit of the holders of the Notes:

         (a) Limitations on Incurrence of Debt.

                  (i) The Company will not,  and will not permit any  Subsidiary
         to,  incur  any  Debt  if,  immediately  after  giving  effect  to  the
         incurrence of such  additional Debt and the application of the proceeds
         thereof,  the aggregate principal amount of all outstanding Debt of the
         Company and its  Subsidiaries  on a  consolidated  basis  determined in
         accordance  with GAAP is greater than 60% of the sum  ("Adjusted  Total
         Assets") of (without  duplication)  (i) the Total Assets of the Company
         and its  Subsidiaries as of the end of the calendar  quarter covered in
         the Company's  Annual  Report on Form 10-K, or the Quarterly  Report on
         Form 10-Q, as the case may be, most recently  filed with the Securities
         and Exchange  Commission (or, if such filing is not permitted under the
         Securities Exchange Act of 1934, as amended, with the Trustee) prior to
         the incurrence of such  additional  Debt and (ii) the purchase price of
         any real estate assets or mortgages receivable acquired, and the amount
         of any securities  offering  proceeds received (to the extent that such
         proceeds  were not used to  acquire  real  estate  assets or  mortgages
         receivable  or used to reduce Debt),  by the Company or any  Subsidiary
         since  the end of  such  calendar  quarter,  including  those  proceeds
         obtained in connection with the incurrence of such additional Debt.

                  (ii)  In  addition  to  the  foregoing   limitations   on  the
         incurrence  of Debt,  the  Company  will not,  and will not  permit any
         Subsidiary  to,  incur any Secured  Debt if,  immediately  after giving
         effect  to the  incurrence  of such  additional  Secured  Debt  and the
         application of the proceeds thereof,  the aggregate principal amount of
         all outstanding  Secured Debt of the Company and its  Subsidiaries on a
         consolidated basis is greater than 40% of Adjusted Total Assets.

                  (iii)  In  addition  to  the  foregoing   limitations  on  the
         incurrence  of Debt,  the  Company  will not,  and will not  permit any
         Subsidiary  to,  incur  any Debt if the  ratio of  Consolidated  Income
         Available  for Debt  Service to the Annual  Debt  Service  for the four
         consecutive  fiscal  quarters most recently  ended prior to the date on
         which such  additional Debt is to be incurred shall have been less than
         1.5 to 1.0, on a pro forma basis after giving effect thereto and to the
         application of the proceeds therefrom, and calculated on the assumption
         that (i) such Debt and any other Debt  incurred  by the Company and its
         Subsidiaries  since the first day of such  four-quarter  period and the
         application  of the proceeds  therefrom,  including to refinance  other
         Debt, had occurred at the beginning of such period;  (ii) the repayment
         or  retirement  of any other Debt by the Company  and its  Subsidiaries
         since the first date of such  four-quarter  period  had been  repaid or
         retired at the  beginning of such period  (except  that, in making such
         computation,  the amount of Debt under any  revolving  credit  facility
         shall be  computed  based upon the average  daily  balance of such Debt
         during  such  period);  (iii)  in the  case  of  Acquired  Debt or Debt
         incurred in connection with any acquisition since the first day of such
         four-quarter  period,  the related  acquisition  had occurred as of the
         first day of such period with  appropriate  adjustments with respect to
         such acquisition being included in such pro forma calculation; and (iv)
         in the case of any  acquisition  or  disposition  by the Company or its
         Subsidiaries  of any  asset or group of  assets  since the first day of
         such four-quarter period, whether by merger,

                                       -5-

<PAGE>



         stock purchase or sale, or asset purchase or sale, such  acquisition or
         disposition  or any related  repayment  of Debt had  occurred as of the
         first day of such period with the appropriate  adjustments with respect
         to such  acquisition  or  disposition  being included in such pro forma
         calculation.  If the Debt giving rise to the need to make the foregoing
         calculation  or any  other  Debt  incurred  after  the first day of the
         relevant  four-quarter  period bears  interest at a floating rate then,
         for purposes of calculating the Annual Debt Service,  the interest rate
         on such Debt shall be  computed  on a pro forma basis as if the average
         interest  rate which  would have been in effect  during the entire such
         four-quarter  period had been the  applicable  rate for the entire such
         period.

         (b)  Maintenance  of Total  Unencumbered  Assets.  The  Company and its
Subsidiaries  will maintain at all times Total  Unencumbered  Assets of not less
than 200% of the aggregate outstanding principal amount of the Unsecured Debt of
the Company and its Subsidiaries on a consolidated basis.

                                    ARTICLE 4

                          ADDITIONAL EVENTS OF DEFAULT

         For purposes of this Supplemental  Indenture and the Notes, in addition
to the Events of Default  set forth in Section  501 of the  Indenture,  it shall
also  constitute an "Event of Default" if a default  under any bond,  debenture,
note or other evidence of indebtedness of the Company  (including a default with
respect to any other series of securities), or under any mortgage,  indenture or
other  instrument  of the  Company  under  which there may be issued or by which
there may be secured or evidenced  any  indebtedness  for money  borrowed by the
Company (or by any Subsidiary, the repayment of which the Company has guaranteed
or for which the  Company  is  directly  responsible  or  liable as  obligor  or
guarantor)  having  an  aggregate  principal  amount  outstanding  of  at  least
$20,000,000, whether such indebtedness now exists or shall hereafter be incurred
or created,  which default shall have resulted in such indebtedness  becoming or
being  declared  due and payable  prior to the date on which it would  otherwise
have become due and payable,  without such indebtedness  having been discharged,
or such acceleration  having been rescinded or annulled,  within a period of ten
days after there shall have been given,  by registered or certified mail, to the
Company by the  Trustee or to the  Company  and the Trustee by the Holders of at
least  25% in  principal  amount of the  outstanding  Notes,  a  written  notice
specifying such default and requiring the Company to cause such  indebtedness to
be discharged or cause such acceleration to be rescinded or annulled and stating
that such notice is a "Notice of Default" hereunder.

                                    ARTICLE 5

                                  EFFECTIVENESS

         This  Supplemental  Indenture shall be effective for all purposes as of
the date and time this Supplemental Indenture has been executed and delivered by
the Company and the Trustee in accordance with Article Nine of the Indenture. As
supplemented  hereby,  the Indenture is hereby  confirmed as being in full force
and effect.

                                    ARTICLE 6

                                  MISCELLANEOUS

         Section 6.1 In the event any provision of this  Supplemental  Indenture
shall be held invalid or unenforceable  by any court of competent  jurisdiction,
such holding shall not invalidate or render  unenforceable  any other  provision
hereof or any provision of the Indenture.


                                       -6-

<PAGE>



         Section 6.2 To the extent that any terms of this Supplemental Indenture
or the Notes are inconsistent with the terms of the Indenture, the terms of this
Supplemental Indenture or the Notes shall govern and supersede such inconsistent
terms.

         Section  6.3  This  Supplemental  Indenture  shall be  governed  by and
construed in accordance with the laws of The Commonwealth of Massachusetts.

         Section  6.4 This  Supplemental  Indenture  may be  executed in several
counterparts,  each  of  which  shall  be an  original  and all of  which  shall
constitute but one and the same instrument.





                  [Remainder of page intentionally left blank.]

                                       -7-

<PAGE>



         IN WITNESS  WHEREOF,  the  Company  and the  Trustee  have  caused this
Supplemental  Indenture  to be  executed  as an  instrument  under seal in their
respective corporate names as of the date first above written.

                            HRPT PROPERTIES TRUST



                            By: /s/ David J. Hegarty
                                David J. Hegarty
                                President


                            STATE STREET BANK AND TRUST COMPANY,
                                as Trustee


                            By: /s/ Ruth A. Smith
                                Name:    Ruth A. Smith
                                Title:   Vice President



















































                                       -8-

<PAGE>



                                    EXHIBIT A

                                  FORM OF NOTE

                                 (Face of Note)

                   7 7/8% Monthly Income Senior Note due 2009
No.                                                                  $__________

                              HRPT PROPERTIES TRUST

promises to pay to ______________________________________ or registered assigns,
the principal sum of ______________________________________ on April 15, 2009.

                  Interest Payment Dates: the 15th of each month.
                  Record Dates: the 1st of each month.

CUSIP No.:        40426W AH 4

                                                     HRPT PROPERTIES TRUST



Attest:____________________________                  By:________________________


[SEAL]










Dated:

CERTIFICATE OF AUTHENTICATION

This is one of the Notes referred to in the within-mentioned Indenture:

STATE STREET BANK AND TRUST COMPANY, as Trustee


By:________________________________________
   Authorized Officer

                                      A - 1

<PAGE>



                                 (Back of Note)

                              HRPT PROPERTIES TRUST

                    7 7/8% Monthly Income Senior Note due 2009

         Capitalized terms used herein have the meanings assigned to them in the
Indenture (as defined below) unless otherwise indicated.

         1. Interest.  HRPT Properties  Trust, a Maryland real estate investment
trust (the "Company"),  promises to pay interest on the principal amount of this
Note at the rate and in the manner specified below.

         The Company shall pay in cash interest on the principal  amount of this
Note at the rate per annum of 7 7/8%.  The Company will pay interest  monthly in
arrears on the 15th of each month, commencing on May 15, 1999 or if any such day
is not a Business  Day (as  defined in the  Indenture),  on the next  succeeding
Business  Day (each an  "Interest  Payment  Date"),  to Holders of record on the
immediately preceding 1st of each month (whether or not a Business Day).

         Interest will be computed on the basis of a 360-day year  consisting of
twelve 30-day  months.  Interest shall accrue from the most recent date to which
interest has been paid or, if no interest has been paid, from March 24, 1999.

         2.  Method of  Payment.  The  Company  will pay  interest  on the Notes
(except defaulted  interest) to the Persons who are registered  Holders of Notes
at the close of business on the record date next preceding the Interest  Payment
Date,  even if such Notes are  canceled  after such record date and on or before
such Interest Payment Date. The Company will pay principal and interest in money
of the United  States that at the time of payment is legal tender for payment of
public and private debts. The Company,  however, may pay principal,  premium, if
any, and interest by check payable in such money.  It may mail an interest check
to a Holder's registered address.

         3. Indenture. The Company issued the Notes under an Indenture, dated as
of July 9, 1997, and a Supplemental  Indenture No. 6 thereto,  dated as of March
24, 1999 (collectively,  the "Indenture"),  between the Company and the Trustee.
The terms of the Notes include those stated in the Indenture and those made part
of the  Indenture by reference to the Trust  Indenture Act of 1939 (15 U.S. Code
ss.ss.  77aaa-77bbbb)  as in effect on the date of the Indenture.  The Notes are
subject  to all such  terms,  and  Holders  of the  Notes  are  referred  to the
Indenture and such Act for a statement of such terms. The terms of the Indenture
shall govern any inconsistencies  between the Indenture and the Notes. The Notes
are unsecured  general  obligations of the Company  limited to  $103,500,000  in
aggregate principal amount, except as otherwise provided in the Indenture.

         4. Optional  Redemption.  The Notes may not be redeemed  prior to April
15, 2002. From and after April 15, 2002, the Notes will be subject to redemption
at any time at the  option of the  Company,  in whole or in part,  upon not less
than 30 nor more  than 60  days'  notice,  at a  redemption  price  equal to the
principal  amount of the Notes being redeemed,  plus accrued and unpaid interest
to but excluding the applicable Redemption Date.

         5.  Mandatory  Redemption.  The  Company  shall not be required to make
sinking fund or redemption payments with respect to the Notes.

         6. Notice of Redemption.  Notice of redemption shall be mailed at least
30 days but not more than 60 days before the  Redemption  Date to each Holder of
Notes to be redeemed at its registered address.

                                      A - 2

<PAGE>



Notes may be redeemed in part but only in whole multiples of $1,000,  unless all
of the Notes held by a Holder are to be  redeemed.  On and after the  Redemption
Date,  interest  ceases  to  accrue  on Notes or  portions  of them  called  for
redemption.

         7. Denominations,  Transfer, Exchange. The Notes are in registered form
without coupons in denominations  of $1,000 and integral  multiples of $1,000 in
excess  thereof.  The  transfer  of Notes  may be  registered  and  Notes may be
exchanged as provided in the Indenture.  The Security  Registrar and the Trustee
may require a Holder,  among other things, to furnish  appropriate  endorsements
and  transfer  documents  and to pay  any  taxes  and  fees  required  by law or
permitted by the Indenture. The Security Registrar need not exchange or register
the transfer of any Note or portion of a Note selected for redemption.  Also, it
need not  exchange or register the transfer of any Notes for a period of 15 days
before the  mailing  of a notice of  redemption  of Notes,  or during the period
between a record date and the corresponding Interest Payment Date.

         8.  Defaults and  Remedies.  In case an Event of Default (as defined in
the Indenture)  with respect to the Notes shall have occurred and be continuing,
the principal hereof may be declared,  and upon such  declaration  shall become,
due and payable,  in the manner,  with the effect and subject to the  provisions
provided in the Indenture.

         9. Actions of Holders. The Indenture contains provisions permitting the
holders of not less than a majority  of the  aggregate  principal  amount of the
outstanding  Notes,  subject to certain exceptions as provided in the Indenture,
on behalf of the holders of all such Notes at a meeting  duly called and held as
provided  in  the  Indenture,  to  make,  give  or  take  any  request,  demand,
authorization,  direction,  notice,  consent, waiver or other action provided in
the Indenture to be made, given or taken by the holders of the Notes,  including
without  limitation,   waiving  (a)  compliance  by  the  Company  with  certain
provisions of the  Indenture,  and (b) certain past defaults under the Indenture
and their  consequences.  Any resolution passed or decision taken at any meeting
of the holders of the Notes in accordance  with the  provisions of the Indenture
shall be conclusive and binding upon such holders and upon all future holders of
this Note and other Notes issued upon the  registration of transfer hereof or in
exchange heretofore or in lieu hereof

         10. Persons Deemed Owners. The Company,  the Trustee,  and any agent of
the Company or the Trustee may deem and treat the Person in whose name this Note
is registered on the Security Register as its absolute owner for all purposes.

         11. Authentication. This Note shall not be valid until authenticated by
the manual signature of the Trustee or an authenticating agent.

         12.      Governing Law.  THE INTERNAL LAW OF THE COMMONWEALTH OF
MASSACHUSETTS SHALL GOVERN AND BE USED TO CONSTRUE THE INDENTURE AND THE
NOTES.

         13. No Personal  Liability.  THE AMENDED AND  RESTATED  DECLARATION  OF
TRUST OF THE  COMPANY,  DATED JULY 1, 1994, A COPY OF WHICH,  TOGETHER  WITH ALL
AMENDMENTS  THERETO  (THE  "DECLARATION"),  IS DULY  FILED IN THE  OFFICE OF THE
DEPARTMENT OF ASSESSMENTS  AND TAXATION OF THE STATE OF MARYLAND,  PROVIDES THAT
THE NAME "HRPT  PROPERTIES  TRUST" REFERS TO THE TRUSTEES UNDER THE  DECLARATION
COLLECTIVELY  AS  TRUSTEES,  BUT NOT  INDIVIDUALLY  OR  PERSONALLY,  AND THAT NO
TRUSTEE, OFFICER, SHAREHOLDER, EMPLOYEE OR AGENT OF THE COMPANY SHALL BE HELD TO
ANY PERSONAL  LIABILITY,  JOINTLY OR SEVERALLY,  FOR ANY OBLIGATION OF, OR CLAIM
AGAINST,  THE COMPANY.  ALL PERSONS DEALING WITH THE COMPANY,  IN ANY WAY, SHALL
LOOK ONLY TO THE

                                      A - 3

<PAGE>



ASSETS OF THE  COMPANY  FOR THE  PAYMENT  OF ANY SUM OR THE  PERFORMANCE  OF ANY
OBLIGATION.

         The Company will furnish to any Holder upon written request and without
charge a copy of the Indenture. Request may be made to:

                           HRPT Properties Trust
                           400 Centre Street
                           Newton, MA 02458
                           Telecopier No.:  (617) 332-2261
                           Attention: President

or such other address as the Company may specify pursuant to the Indenture.

                                      A - 4

<PAGE>


                                 ASSIGNMENT FORM


       To assign this Note, fill in the form below: (I) or (we) assign and
                             transfer this Note to

________________________________________________________________________________

________________________________________________________________________________

________________________________________________________________________________
              (Print or type assignee's name, address and zip code)

________________________________________________________________________________
                  (Insert assignee's soc. sec. or tax I.D. no.)

and irrevocably appoint_________________________________________________________
to transfer  this  Note  on the books of  the Company.  The agent may substitute
another to act for him.



Date:  _______________

                                 Your Signature:________________________________
                                 (Sign exactly as your name appears on the face 
                                  of this Note)



Signature Guarantee:             _____________________________________________
                                 (The signature must be guaranteed by an officer
                                 of a participant in a recognized signature 
                                 guarantee program.  Notarized or witnessed 
                                 signatures are not acceptable.)



                                      A - 5






                                                                     Exhibit 8.1

                            SULLIVAN & WORCESTER LLP
                             One Post Office Square
                           Boston, Massachusetts 02109




                                              March 30, 1999





HRPT Properties Trust
400 Centre Street
Newton, Massachusetts 02458

Ladies and Gentlemen:

         In connection  with the filing by HRPT  Properties  Trust (f/k/a Health
and Retirement  Properties  Trust), a Maryland real estate investment trust (the
"Company"),  of its Annual  Report on Form 10-K for the year ended  December 31,
1998 (the "Form 10-K"),  under the  Securities  Exchange Act of 1934, as amended
(the "Exchange Act"), the following opinion is furnished to you to be filed with
the  Securities and Exchange  Commission  (the "SEC") as Exhibit 8.1 to the Form
10-K.

         We have  acted  as  counsel  for the  Company  in  connection  with the
preparation  of its  Form  10-K,  and we  have  examined  originals  or  copies,
certified or otherwise  identified to our  satisfaction,  of corporate  records,
certificates  and  statements of officers and  accountants of the Company and of
public  officials,  and such other documents as we have considered  relevant and
necessary in order to furnish the opinion  hereinafter set forth.  Specifically,
and without limiting the generality of the foregoing,  we have reviewed: (i) the
declaration of trust,  as amended and restated,  and the by-laws of the Company;
and (ii) the sections in the Company's Form 10-K captioned  "Federal  Income Tax
Considerations"  and  "ERISA  Plans,  Keogh  Plans  and  Individual   Retirement
Accounts."  With  respect to all  questions  of fact on which such  opinions are
based,  we have assumed the accuracy and  completeness of and have relied on the
information set forth in the Form 10-K and in the documents incorporated therein
by reference,  and on representations made to us by the officers of the Company.
We have not independently verified such information.

         The opinion set forth below is based upon the Internal  Revenue Code of
1986,  as  amended,  the  Treasury  Regulations  issued  thereunder,   published
administrative  interpretations  thereof,  and judicial  decisions  with respect
thereto,  all as of the date hereof  (collectively the "Tax Laws"), and upon the
Employee Retirement Income Security Act of 1974, as amended,


<PAGE>


HRPT Properties Trust
March 30, 1999
Page 2

the Department of Labor regulations issued thereunder,  published administrative
interpretations  thereof, and judicial decisions with respect thereto, all as of
the date hereof (collectively, the "ERISA Laws"). No assurance can be given that
the Tax Laws or the ERISA Laws will not change.  In  preparing  the  discussions
with respect to the matters in the sections of the Form 10-K captioned  "Federal
Income  Tax  Considerations"  and  "ERISA  Plans,  Keogh  Plans  and  Individual
Retirement  Accounts," we have made certain  assumptions  and expressed  certain
conditions and qualifications therein, all of which assumptions,  conditions and
qualifications are incorporated herein by reference.

         Based upon and subject to the foregoing, we are of the opinion that the
discussions  in the  sections  of the Form 10-K  captioned  "Federal  Income Tax
Considerations"  and  "ERISA  Plans,  Keogh  Plans  and  Individual   Retirement
Accounts,"  in all material  respects are accurate and fairly  summarize the Tax
Laws issues and ERISA Laws issues addressed therein, and hereby confirm that the
opinions of counsel  referred to in said sections  represent our opinions on the
subject matter thereof.

         We hereby consent to the  incorporation of this opinion by reference as
an exhibit to the Form 10-K and to the reference to our firm therein.  In giving
such  consent,  we do not  thereby  admit that we come  within the  category  of
persons whose consent is required under Section 7 of the Securities Act of 1933,
as  amended,  or  under  the  rules  and  regulations  of  the  SEC  promulgated
thereunder.

                                              Very truly yours,


                                              /s/ Sullivan & Worcester LLP

                                              SULLIVAN & WORCESTER LLP







<TABLE>
<CAPTION>
                                                       Exhibit 12.1

                                                   HRPT PROPERTIES TRUST
                                     COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES
                                       (Dollars in thousands, except ratio amounts)


                                                                   For the Years Ended December 31,
                                              ----------------------------------------------------------------------------
                                                   1998             1997            1996           1995          1994
                                              ---------------- --------------- --------------- -------------- ------------
<S>                                           <C>              <C>             <C>             <C>            <C>        
  Income before gain on sale of properties
    and extraordinary items                          $146,656  $      112,204  $       77,164  $      61,760  $    57,878
  Fixed charges                                        66,253          38,564          23,279         26,218       10,096
                                              ================ =============== =============== ============== ============
  Adjusted Earnings                                  $212,909  $      150,768  $      100,443  $      87,978  $    67,974
                                              ================ =============== =============== ============== ============

  Fixed Charges:
  Interest expense                            $        64,326  $       36,766  $       22,545  $      24,274  $     8,965
  Amortization of deferred financing costs              1,927           1,798             734          1,944        1,131
                                              ================ =============== =============== ============== ============
  Total Fixed Charges                         $        66,253  $       38,564  $       23,279  $      26,218  $    10,096
                                              ================ =============== =============== ============== ============

  Ratio of Earnings to Fixed Charges                     3.2x            3.9x            4.3x           3.4x         6.7x
                                              ================ =============== =============== ============== ============
</TABLE>








                                  Exhibit 21.1

                              HRPT PROPERTIES TRUST
                         SUBSIDIARIES OF THE REGISTRANT



1735 Market Street Properties Trust - (Maryland)
Causeway Holdings, Inc. - (Massachusetts)
Church Creek Corporation - (Massachusetts)
EPA Golden, L.P. - (Delaware)
Health and Retirement Properties International, Inc - (Delaware)
Hub Acquisition Trust  - (Maryland)
Hub LA Limited Partnership (98%) - (Delaware)
Hub LA Properties Trust - (Maryland)
Hub Management, Inc. - (Delaware)
Hub Properties Trust - (Maryland)
Hub Realty Buffalo, Inc. - (Delaware)
Hub Realty College Park I, LLC - (Maryland)
Hub Realty College Park, Inc - (Delaware)
Hub Realty Funding, Inc.- (Delaware)
Hub Realty Golden, Inc. - (Delaware)
Hub Realty Kansas City, Inc. - (Delaware)
Hub Realty Richland, Inc - (Delaware)
Hub RI Properties Trust - (Maryland)
Hub Woodmont Investment Trust - (Maryland)
Hub  Woodmont  Limited  Liability  Company  -  (Delaware)
Indemnity  Collection Corporation - (Delaware)
Nine Penn Center Associates, L.P. - (Pennsylvania)
Nine Penn Center Properties Trust - (Maryland)
Research  Park Properties Trust - (Maryland)
Senior Housing Properties Trust - (Maryland)
SPTBROOK Properties Trust - (Maryland)
SPTIHS Properties Trust - (Maryland)
SPTGEN Properties Trust - (Maryland)
SPTMISC Properties Trust - (Maryland)
SPTMNR Properties Trust - (Maryland)
SPTMRT Properties Trust - (Maryland)
SPTSUN Properties Trust - (Maryland)




                        Consent of Independent Auditors



We consent to the  incorporation  by reference in this Annual Report (Form 10-K)
of HRPT Properties  Trust of our report dated February 5, 1999,  included in the
Current Report on form 8-K of HRPT Properties  Trust dated March 5, 1999,  filed
with the Securities and Exchange Commission.

Our audits also included the financial  statement  schedules of HRPT  Properties
Trust  listed in Item  14(a).  These  schedules  are the  responsibility  of the
Company's  management.  Our responsibility is to express an opinion based on our
audits. In our opinion,  the financial  statement  schedules  referred to above,
when considered in relation to the basic financial  statements taken as a whole,
present fairly in all material respects the information set forth therein.





                                                           /s/ ERNST & YOUNG LLP
                                                           ERNST & YOUNG LLP

Boston, Massachusetts
March 30, 1999




                   Consent of Independent Public Accountants


     As independent public  accountants,  we hereby consent to the incorporation
of our reports dated January 15, 1999 on Hospitality  Properties Trust into HRPT
Properties   Trust's  Form  10-K  and  into  the  Company's   previously   filed
Registration Statement File No. 333-56051, 333-47815 and 33-62135.



                                                         /s/ Arthur Andersen LLP

Washington, D.C.
March 29, 1999


                                                                    EXHIBIT 99.1

                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549



                                    FORM 8-K


                                 CURRENT REPORT
     Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934


         Date of Report (Date of earliest event reported): March 5, 1999


                              HRPT PROPERTIES TRUST
             (Exact name of registrant as specified in its charter)



         Maryland                    1-9317                 04-6558834
        (State or other            (Commission             (IRS Employer
        jurisdiction of             File Number)       Identification No.)
        incorporation)



400 Centre Street, Newton, MA                                     02458
(Address of principal executive offices)                       (Zip Code)



Registrant's telephone number, including area code:  617-332-3990




<PAGE>

                              HRPT PROPERTIES TRUST


THIS CURRENT REPORT CONTAINS  FORWARD-LOOKING  STATEMENTS.  THESE STATEMENTS ARE
SUBJECT TO RISKS AND  UNCERTAINTIES  WHICH COULD CAUSE ACTUAL  RESULTS TO DIFFER
MATERIALLY  FROM THOSE  ANTICIPATED.  INVESTORS ARE CAUTIONED NOT TO PLACE UNDUE
RELIANCE  ON THESE  FORWARD-LOOKING  STATEMENTS  WHICH SPEAK ONLY AS OF THE DATE
HEREOF.   THE   REGISTRANT   UNDERTAKES  NO   OBLIGATION   TO  PUBLISH   REVISED
FORWARD-LOOKING  STATEMENTS TO REFLECT  EVENTS OR  CIRCUMSTANCES  AFTER THE DATE
HEREOF.

Item 5.  Other Events

a)  Management's  Discussion and Analysis of Financial  Condition and Results of
Operations

         The following  information is provided in connection with the financial
statements  filed  as  Item 7 to  this  Current  Report  and  should  be read in
conjunction with the financial  statements and notes thereto included  elsewhere
herein.

Results of Operations

Year Ended December 31, 1998 Compared to Year Ended December 31, 1997

         Total revenues for the year ended December 31, 1998 increased to $356.6
million from $208.9 million for the year ended December 31, 1997.  Rental income
increased by $152.9  million and  interest  and other  income  decreased by $5.2
million. Rental income increased because of real estate investments made in 1998
and 1997.  Interest and other income  decreased as a result of the  repayment of
our mortgage loan investments.

         Total expenses for the year ended December 31, 1998 increased to $219.8
million from $114.5  million for the year ended  December  31,  1997.  Operating
expenses  increased by $50.8 million as a result of our increased  investment in
"gross  leased" real estate assets  during the 1998 and 1997  periods.  Interest
expense  increased  to $64.3  million for the year ended  December 31, 1998 from
$36.8  million  for the year  ended  December  31,  1997 as a result  of  higher
borrowings  outstanding  in  the  1998  period  compared  to  the  1997  period.
Similarly, depreciation and amortization and general and administrative expenses
increased  between 1998 and 1997 as a result of new real estate  investments  in
1998 and 1997.

         Net income was $144.5 million, or $1.21 per basic and diluted share for
the 1998  period,  compared  to $114.0  million,  or $1.24 per basic and diluted
share, for the 1997 period.  Net income  increased  primarily as a result of new
real  estate  investments  in 1998 and 1997.  On a per share  basis,  net income
decreased due to the issuance of additional shares in 1998 and 1997.

         Our  principal  business  goal is to  maximize  funds  from  operations
("FFO") rather than net income. Our Board of Trustees considers FFO, among other
factors, when determining dividends to be paid to shareholders.  We have adopted
the National Association of Real Estate Investment Trust's ("NAREIT") definition
of FFO as income  before  equity in earnings  of  Hospitality  Properties  Trust
("HPT"),  gain (loss) on HPT's equity  transaction,  gain (loss) on sale of real
estate and extraordinary items, plus depreciation,  other non-cash items and our
proportionate  share of HPT's  FFO.  Funds  from  operations  for the year ended
December 31,  1998,  were $227.9  million,  or $1.74 per diluted  share,  versus
$162.7  million,  or $1.57 per diluted share, in 1997. The increase is primarily
the result of new investments in 1998 and 1997.  Distributions  declared for the
years ended December 31, 1998 and 1997 were $190.3 million,  or $1.52 per share,
and $144.3 million, or $1.46 per share, respectively. Distributions in excess of
net income constitute a return of capital.  For 1998, return of capital was 6.4%
of distributions.  Cash flow provided by operating activities and cash available
for distribution may not necessarily equal funds from operations as cash flow is
affected by other factors not included in the funds from operations calculation,
such as changes in assets and liabilities.

         Cash flows  provided by (used for)  operating,  investing and financing
activities   were  $194.3   million,   ($947.4)   million  and  $746.3  million,
respectively,  for the year ended December 31, 1998 and $185.7 million, ($815.2)
million and $630.0 million,  respectively, for the year ended December 31, 1997.
The  increases  in all three  categories  are  primarily  the result of new real
estate  investments  in 1998  and 1997 and the  related  financings  to fund the
growth.


                                       1
<PAGE>

                              HRPT PROPERTIES TRUST


Management's  Discussion  and  Analysis of  Financial  Condition  and Results of
Operations - continued

Year Ended December 31, 1997 Compared to Year Ended December 31, 1996

         Total revenues for the year ended December 31, 1997 increased to $208.9
million from $120.2 million for the year ended December 31, 1996.  Rental income
increased  by $90.0  million and  interest  and other  income  decreased by $1.3
million. Rental income increased because of new real estate investments in 1997,
and  partly as a result of our  increased  investments  in "gross  leased"  real
estate  assets as  compared  to "net  leased"  assets  during the 1997 period as
compared  to the  1996  period.  As our  investment  in  "gross  leased"  assets
increases,  we anticipate rental income and the corresponding operating expenses
to increase  during  subsequent  periods.  Interest and other  income  decreased
primarily as a result of  prepayments  and  repayments of mortgage  investments,
which were  offset,  in part,  by an  increase  in  earnings  on our  short-term
investments in the 1997 period compared to the 1996 period.

         Total expenses for the year ended December 31, 1997 increased to $114.5
million  from $55.5  million for the year ended  December  31,  1996.  Operating
expenses  increased by $23.0 million as a result of our increased  investment in
"gross leased" real estate assets during the 1997 period as compared to the 1996
period.  Interest  expense  increased by $14.2 million due to higher  borrowings
during  the  1997  period.  Depreciation  and  amortization,   and  general  and
administrative   expenses   increased  by  $17.2   million  and  $4.6   million,
respectively,  primarily as a result of new real estate  investments in 1997 and
1996.

         Net income increased to $114.0 million,  or $1.24 per basic and diluted
share for the 1997 period,  from $73.3  million,  or $1.11 per basic and diluted
share for the 1996  period.  Net income  increased  primarily as a result of new
investments in 1997 and 1996. In addition, net income increased as a result of a
$2.9 million gain on sale of properties,  the recognition of a $9.3 million gain
on equity  transaction of HPT during the 1997 period  compared to a $3.6 million
gain in the 1996 period, and by an extraordinary loss of $1.1 million during the
1997  period  compared  to a $3.9  million  extraordinary  loss  during the 1996
period, both resulting from the early extinguishment of debt.

         Funds from operations for the year ended December 31, 1997, were $162.7
million, or $1.57 per diluted share, versus $103.3 million, or $1.49 per diluted
share,  in 1996.  Funds from  operations  for 1997 increased  $59.4 million,  or
57.5%,  over the prior year.  The increase is the result of new  investments  in
1997 and 1996. Dividends declared for the years ended December 31, 1997 and 1996
were $144.3 million,  or $1.46 per basic share, and $94.3 million,  or $1.42 per
basic share,  respectively.  Distributions in excess of net income  constitute a
return of capital. For 1997, the return of capital portion reported was 17.4% of
distributions  and the long-term capital gain portion was 1.7% of distributions.
Cash flow provided by operating  activities and cash available for  distribution
may not  necessarily  equal  funds from  operations  as cash flow is affected by
other  factors not included in the funds from  operations  calculation,  such as
changes in assets and liabilities.

         Cash flows  provided by (used for)  operating,  investing and financing
activities   were  $185.7   million,   ($815.2)   million  and  $630.0  million,
respectively,  for the year ended December 31, 1997 and $98.3 million,  ($235.3)
million and $140.2 million,  respectively, for the year ended December 31, 1996.
The  increases  in all three  categories  are  primarily  the result of new real
estate investments in 1997 and the related financings to fund the growth.

Liquidity and Capital Resources

         Total  assets  increased to $3.1 billion at December 31, 1998 from $2.1
billion as of December 31, 1997. The increase is primarily  attributable  to new
real estate investments during 1998.

         During 1998, we acquired 38 commercial  office  properties,  10 medical
office properties and five nursing  properties for an aggregate amount of $981.6
million and provided  improvement funding totaling $17.2 million to our existing
properties.  In  addition,  we disposed of one office  property and four nursing
properties for $17.0 million.  No gain or loss was recognized on the disposition
of these  properties.  During 1998, we received  regularly  scheduled  principal
payments and repayments on real estate mortgages secured by three retirement and
five nursing facilities totaling $35.2 million.

                                       2
<PAGE>


                              HRPT PROPERTIES TRUST

Management's  Discussion  and  Analysis of  Financial  Condition  and Results of
Operations - continued

         In December 1998, we entered an agreement with an unaffiliated party to
sell 12 nursing facilities, currently leased to affiliates. The sale is expected
to occur in early  1999.  The sale of these  properties  is  subject  to various
closing conditions  customary in real estate  transactions and no assurances can
be given as to when or if these properties will be sold.

         At December 31,  1998,  we owned 4.0  million,  or 8.8%,  of the common
shares of beneficial interest of HPT with a carrying value of $110.6 million and
a market  value of $96.5  million.  During  1998,  HPT  completed  public  stock
offerings of 6,692,413 common shares of beneficial  interest at per share prices
ranging from $26.6875 to $35.00 for total consideration of approximately  $208.2
million. As a result of these transactions,  our ownership percentage in HPT was
reduced from 10.3% to 8.8% and we realized net gains of $2.2  million.  Although
we did not sell any shares,  pursuant to our accounting policy, gains and losses
on the issuance of common shares of beneficial interest by HPT are recognized in
our income statement. These amounts are not included in our calculation of FFO.

         During 1998, we sold 25,000,000  common shares in a public offering and
sold  6,977,575  common  shares  in four  offerings  to unit  investment  trusts
sponsored by various investment banks,  raising gross proceeds of $612.4 million
(net $580.3  million).  Proceeds from these offerings were used to repay amounts
outstanding  under our revolving bank credit  facility,  to purchase real estate
and for general business purposes.  In addition, we issued 362,217 common shares
due to the conversion of $6.8 million of our convertible subordinated debentures
and issued 286,400 common shares for the purchase of real estate.

         During 1998,  we issued senior  unsecured  term notes  totaling  $403.0
million in three separate  transactions.  The notes mature between 2002 and 2013
and require  interest  between 6.7% and 8.5% per annum.  In addition,  we issued
$50.0 million of senior  unsecured  remarketed reset notes which are due in 2007
and bear  interest at LIBOR plus a premium.  Net proceeds  from these notes were
used to repay amounts then outstanding under our revolving bank credit facility,
to purchase real estate and for general business purposes.

         In April 1998, we entered into a new $500.0 million unsecured revolving
bank  credit  facility  (the "New  Credit  Facility").  The New Credit  Facility
matures in 2002 and bears  interest at LIBOR plus a premium.  We  recognized  an
extraordinary  loss on the early  extinguishment  of debt for $2.1  million as a
result of the write-off of deferred  financing fees associated with our previous
bank credit facility.

         At December 31, 1998, we had $15.6 million of cash and cash equivalents
and had $400.0  million  available on our $500.0  million  revolving bank credit
facility.  In June 1998,  we filed a $3.0 billion Shelf  Registration  Statement
(the "Shelf") that has been declared  effective by the  Securities  and Exchange
Commission  ("SEC").  At December  31, 1998,  $2.7 billion was  available on the
Shelf. 

         As of December 31, 1998, we had commitments to purchase real estate and
fund or finance  improvements  to properties  leased or mortgaged by us totaling
$21.7 million. We intend to fund these commitments with a combination of cash on
hand, amounts available under our existing credit facility, proceeds of mortgage
prepayments, if any, and/or proceeds of other financings.

         In December 1998, we announced a plan for a possible separate financing
which  would  include  a  public  offering  of  common  shares  of  one  of  our
subsidiaries, Senior Housing Properties Trust ("SNH"), and a distribution to our
shareholders  of common  shares of that  subsidiary.  The  public  offering  and
distribution constitute one alternative transaction that we are considering with
respect to financing our healthcare real estate investments.  The transaction is
highly contingent. There can be no assurance that we will pursue a spin-off or a
public offering of SNH shares or that we will separately  finance our healthcare
properties at all.

                                       3
<PAGE>

                              HRPT PROPERTIES TRUST

Management's  Discussion  and  Analysis of  Financial  Condition  and Results of
Operations - continued

         We  continue  to seek new  investments  to  expand  and  diversify  our
portfolio of real estate. We believe that the transactions  described above will
improve the security of our future funds from  operations,  cash  available  for
distribution and dividends. As of December 31, 1998, our debt as a percentage of
total book capitalization was approximately 38%. There can be no assurances that
debt or equity  financing will be available to fund our existing  commitments or
our future growth, but we expect that financing will be available.

Impact of Inflation

         Management  believes  that  we are not  adversely  affected  by  modest
inflation.  In the real estate market,  inflation tends to increase the value of
our  underlying  real  estate  which may be  realized  at the end of fixed lease
terms.  In the health care industry,  inflation  usually  increases the lessees'
revenues, thereby increasing our percentage rent or interest.

Year 2000

         Our in-house  computer  systems  environment is limited to software and
hardware developed by third parties and installed, operated and monitored by our
investment advisor and property manager.  All of our computer systems (which are
limited to financial reporting, property management and accounting systems) were
installed  within the last two years and  management  believes these systems are
year 2000 compliant. All costs associated with our computer systems are borne by
our investment advisor and property manager.

         Most of our  healthcare  properties  are  leased on a triple  net lease
basis  and are not  managed  by us.  These  triple  net  leased  properties  are
dependent  upon the  efforts of our third party  tenants  and their  affiliates,
which operate these properties.  Our leases and other contractual  relationships
require these  operators to conduct the daily  operations of our  properties and
the scope of the operators'  responsibilities includes ensuring preparedness for
the year 2000. Because of this leasing arrangement, the only actions that we can
take with respect to these  properties  is to inquire  about and monitor  public
operators' SEC filings and evaluate our operators' year 2000 preparedness plans.
Some  of our  triple  net  leased  operators  have  responded  to our  inquiries
regarding  their  preparedness  for issues  related  to the year 2000.  Based on
operator responses to our inquiries,  we believe that these operators are in the
process of studying  their systems and the systems of their  vendors,  suppliers
and service providers to ensure preparedness. Current levels of preparedness are
varied and include  partially  completed  inventory and  assessment of potential
risks,  testing,  implementation  of plans for remediation and reprogramming and
compliance.  While we believe  the  efforts of our  tenants  described  in their
responses will be or are adequate to address year 2000 concerns, there can be no
guarantee  that all tenant systems will be year 2000 compliant on a timely basis
and will not have a material effect on us.

         Most of our commercial  office  properties and properties leased to the
U.S.  Government  are leased on a gross lease or modified  gross lease basis and
are managed by us. In early 1998, we set out to identify issues  associated with
year 2000 compliance for these managed  properties.  We have been contacting and
will  continue  to  contact  vendors  to gather  information  to  assess  vendor
readiness.  In addition,  managers and engineers at each of our  properties  are
responsible  for  gathering and assessing  year 2000 issues  affecting  specific
building systems including life safety,  elevator,  garage, security, and energy
management  systems.  We will also request our major  tenants to provide us with
periodic updates of their year 2000 readiness.  We expect to complete an overall
assessment  of year 2000 issues by the end of the first quarter 1999 and perform
necessary system  replacements or upgrades,  including testing, by third quarter
1999.  Overall  financial  risk  associated  with year 2000  readiness for these
properties is not expected to be material, and most of the costs associated with
correcting  non-compliance  are expected to be classified  as operating  expense
that is reimbursable to us under most tenant leases.

         If our efforts and the efforts of our vendors, customers and tenants to
prepare for the year 2000 were  ineffective,  our properties could be subject to
significant adverse effects, including, but not limited to, loss of business and
growth opportunities,  reduced revenues and increased expenses which might cause
operating  losses to our tenants as well as operating losses at our gross leased
properties.  Continued or severe  operating  losses may cause one or more of our
tenants to default on their leases. Numerous lease defaults could jeopardize our
ability to maintain our financial  results of operations and meet our financial,
operating and capital obligations.

                                       4
<PAGE>


                              HRPT PROPERTIES TRUST

                                               
Management's  Discussion  and  Analysis of  Financial  Condition  and Results of
Operations - continued

         We do not currently  have a contingency  plan in place in the event we,
or our operators,  do not successfully  remedy year 2000 compliance  issues that
are  identified in a timely manner or fail to identify any year 2000 issues.  We
will  evaluate  the  status  of our year  2000  compliance  plan in mid 1999 and
determine whether a plan is necessary.

Certain Considerations

         The discussion  and analysis of our financial  condition and results of
operations requires us to make estimates and assumptions and contains statements
of our beliefs,  intent or expectation  concerning  projections,  plans,  future
events and performance. The estimates, assumptions and statements, such as those
relating to our ability to expand our portfolio,  performance of our assets, the
ability to pay dividends  from FFO, our tax status as a "real estate  investment
trust" and the ability to access capital  markets  depends upon various  factors
over which we and/or our lessees have or may have  limited or no control.  Those
factors include, without limitation,  the status of the economy, capital markets
(including prevailing interest rates) compliance with and changes to regulations
within the health care  industry,  competition,  changes in  federal,  state and
local  legislation  and other  factors.  We cannot  predict  the impact of these
factors,  if any.  However,  these  factors  could cause our actual  results for
subsequent  periods to be different  from those stated,  estimated or assumed in
this  discussion  and  analysis  of  our  financial  condition  and  results  of
operations.  We believe that our estimates and  assumptions  are  reasonable and
prudent at this time.

b)  Other Events

         As previously reported,  in 1997 we entered into an Agreement of Merger
(the "Merger  Agreement")  with Government  Properties  Investors,  Inc. ("GPI")
pursuant  to which we agreed to  acquire  up to 30 office  buildings  containing
approximately  3.4 million square feet,  substantially all of which is leased to
various agencies of the United States government.  The Merger Agreement provided
for us to acquire  these  properties  in a series of closings  in  exchange  for
shares of our common  shares of  beneficial  interest,  par value $.01 per share
("Common  Share").  As of May 1998, the final closing under the Merger Agreement
had  occurred,  and we had  issued  4,271,428  Common  Shares  to  GPI  and  its
successors and assigns;  however,  the final number of Common Shares issuable in
connection with the Merger Agreement had not been determined. In February, 1999,
we issued an additional  256,246  Common Shares to GPI pursuant to the exemption
from  registration  contained in Section 4(2) of the  Securities Act of 1933, as
amended.

                                       5
<PAGE>

                              HRPT PROPERTIES TRUST

Item 7.  Financial Statements and Exhibits
<TABLE>
<CAPTION>

(a)      Financial Statements
         <S>                                                                                    <C>

         Report of Ernst & Young LLP, Independent Auditors.......................................F-1
         Report of Arthur Andersen LLP, Independent Public Accountants...........................F-2
         Consolidated Balance Sheets as of the years ended December 31, 1998 and 1997............F-3
         Consolidated Statements of Income for each of the three years in the
              period ended December 31, 1998.....................................................F-4
         Consolidated Statements of Shareholders' Equity for each of the three years in the
              period ended December 31, 1998.....................................................F-5
         Consolidated Statements of Cash Flows for each of the three years in the period
              ended December 31, 1998............................................................F-6
         Notes to Consolidated Financial Statements..............................................F-8
</TABLE>

(b)      Exhibits

         23.1     Consent of Ernst & Young LLP

         23.2     Consent of Arthur Andersen LLP

         27.      Financial Data Schedule


                                       6
<PAGE>


                         REPORT OF INDEPENDENT AUDITORS


To the Trustees and Shareholders of HRPT Properties Trust

We have audited the accompanying  consolidated balance sheets of HRPT Properties
Trust as of December 31, 1998 and 1997, and the related consolidated  statements
of income,  shareholders'  equity, and cash flows for each of the three years in
the  period  ended  December  31,  1998.  These  financial  statements  are  the
responsibility of the Company's management.  Our responsibility is to express an
opinion  on these  financial  statements  based  on our  audits.  The  financial
statements of Hospitality  Properties  Trust (a real estate  investment trust in
which the  Company has an 8.8% and 10.3%  interest  as of December  31, 1998 and
1997,  respectively)  have been audited by other  auditors whose report has been
furnished to us; insofar as our opinion on the consolidated financial statements
relates to data included for Hospitality Properties Trust, it is based solely on
their report.

We  conducted  our  audits  in  accordance  with  generally   accepted  auditing
standards.  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 and the report of other auditors provide a reasonable
basis for our opinion.

In our  opinion,  based on our  audits  and the  report of other  auditors,  the
consolidated  financial  statements  referred to above  present  fairly,  in all
material respects,  the consolidated financial position of HRPT Properties Trust
at December 31, 1998 and 1997,  and the  consolidated  results of its operations
and its cash flows for each of the three years in the period ended  December 31,
1998, in conformity with generally accepted accounting principles.



                                                   /s/ Ernst & Young LLP

                                                   ERNST & YOUNG LLP

Boston, Massachusetts
February 5, 1999




                                      F-1
<PAGE>


                    REPORT OF INDEPENDENT PUBLIC ACCOUNTANTS


To the Trustees and Shareholders of
Hospitality Properties Trust

         We  have  audited  the   consolidated   balance  sheet  of  Hospitality
Properties  Trust and  subsidiaries  (the "Company") as of December 31, 1998 and
1997, and the related  consolidated  statements of income,  shareholders' equity
and cash flows (not  presented  herein) for the years ended  December  31, 1998,
1997  and  1996.  These  financial  statements  are  the  responsibility  of the
Company's  management.  Our  responsibility  is to  express  an opinion on these
financial statements based on our audits.

         We conducted our audits in accordance with generally  accepted auditing
standards.  Those standards  require that we plan and perform an 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 consolidated financial statements referred to above
present fairly, in all material respects,  the financial position of Hospitality
Properties  Trust and  subsidiaries  as of  December  31,  1998 and 1997 and the
results of their  operations  and their cash flows for the years ended  December
31, 1998,  1997,  and 1996, in conformity  with  generally  accepted  accounting
principles.



                                                     /s/ Arthur Andersen LLP

                                                     ARTHUR ANDERSEN LLP

Washington, D.C.
January 15, 1999





                                      F-2
<PAGE>
<TABLE>
<CAPTION>


                                               HRPT PROPERTIES TRUST

                                            CONSOLIDATED BALANCE SHEETS
                                  (DOLLARS IN THOUSANDS, EXCEPT PER SHARE AMOUNTS)

                                                                                            December 31,  
                                                                                ---------------------------------  
                                                                                     1998                 1997  
                                                                                ---------------------------------
<S>                                                                            <C>                  <C>

ASSETS
Real estate properties,  at cost (including properties leased to
affiliates with a cost of $113,594 and $112,075, respectively):
   Land                                                                         $   369,770           $   256,582  
   Buildings and improvements                                                     2,586,712             1,712,441
                                                                                -----------           -----------
                                                                                  2,956,482             1,969,023
   Less accumulated depreciation                                                    169,811               111,669
                                                                                -----------           -----------
                                                                                  2,786,671             1,857,354
Real estate mortgages and notes, net (including note from an affiliate                              
   of $1,000 and $2,365, respectively)                                               69,228               104,288
Investment in Hospitality Properties Trust                                          110,554               111,134
Cash and cash equivalents                                                            15,643                22,355
Interest and rents receivable                                                        36,229                20,455
Other assets, net                                                                    45,732                20,377
                                                                                -----------           -----------
                                                                                $ 3,064,057           $ 2,135,963
                                                                                ===========           ===========
                                                                                                    
                                                                                                    
LIABILITIES AND SHAREHOLDERS' EQUITY                                                                
Bank notes payable                                                              $   100,000           $   200,000
Senior notes payable, net                                                           802,439               349,900
Mortgage notes payable                                                               24,779                26,329
Convertible subordinated debentures                                                 204,863               211,650
Accounts payable and accrued expenses                                                44,446                27,865
Deferred rents                                                                       34,162                30,089
Security deposits                                                                    18,383                18,767
Due to affiliates                                                                     7,192                 5,103
                                                                                                    
Commitments and contingencies                                                                       
                                                                                                    
Shareholders' equity:                                                                               
   Preferred shares of beneficial interest, $.01 par value:                                         
      50,000,000 shares authorized, none issued                                        --                    --   
   Common shares of beneficial interest, $.01 par value:                                            
      150,000,000 shares and 125,000,000 shares authorized,                                         
      respectively, 131,547,178 shares and 98,853,170 shares                                        
      issued and outstanding, respectively                                            1,315                   988
   Additional paidin capital                                                      1,964,878             1,371,236
   Cumulative net income                                                            564,814               420,298
   Dividends                                                                       (703,214)             (526,262)
                                                                                -----------           -----------
      Total shareholders' equity                                                  1,827,793             1,266,260
                                                                                -----------           -----------
                                                                                $ 3,064,057           $ 2,135,963
                                                                                ===========           ===========
</TABLE>


                                              See accompanying notes


                                                        F-3
<PAGE>

<TABLE>
<CAPTION>
                                                    HRPT PROPERTIES TRUST

                                              CONSOLIDATED STATEMENTS OF INCOME
                                       (AMOUNTS IN THOUSANDS, EXCEPT PER SHARE AMOUNTS)

                                                                                         Year Ended December 31,
                                                                          ----------------------------------------------- 
                                                                              1998              1997               1996 
                                                                          ----------------------------------------------- 
<S>                                                                      <C>                <C>                <C>
Revenues:
   Rental income                                                          $ 340,851          $ 188,000          $  98,039  
   Interest and other income                                                 15,703             20,863             22,144
                                                                          ----------------------------------------------- 
            Total revenues                                                  356,554            208,863            120,183
                                                                          ----------------------------------------------- 
                                                                                                               
Expenses:                                                                                                      
   Operating expenses                                                        77,536             26,765              3,776
   Interest                                                                  64,326             36,766             22,545
   Depreciation and amortization                                             60,764             39,330             22,106
   General and administrative                                                17,172             11,670              7,055
                                                                          ----------------------------------------------- 
            Total expenses                                                  219,798            114,531             55,482
                                                                          ----------------------------------------------- 
                                                                                                               
Income before equity in earnings of Hospitality Properties Trust,                                              
   gain on sale of properties and extraordinary item                        136,756             94,332             64,701
Equity in earnings of Hospitality Properties Trust                            7,687              8,590              8,860
Gain on equity transaction of Hospitality Properties Trust                    2,213              9,282              3,603
                                                                          ----------------------------------------------- 
Income before gain on sale of properties and                                                                   
   extraordinary item                                                       146,656            112,204             77,164
                                                                                                               
Gain on sale of properties, net                                                --                2,898               --
                                                                          ----------------------------------------------- 
Income before extraordinary item                                            146,656            115,102             77,164
                                                                                                               
Extraordinary item  early extinguishment of debt                             (2,140)            (1,102)            (3,910)
                                                                          ----------------------------------------------- 
Net income                                                                $ 144,516          $ 114,000          $  73,254
                                                                          =============================================== 
                                                                                                               
Weighted average shares outstanding                                         119,867             92,168             66,255
                                                                          =============================================== 
                                                                                                         
Basic and diluted earnings per common share:
   Income before gain on sale of properties and
          extraordinary item                                              $    1.22          $    1.22          $    1.16
                                                                          =============================================== 
   Income before extraordinary item                                       $    1.22          $    1.25          $    1.16
                                                                          =============================================== 
   Net income                                                             $    1.21          $    1.24          $    1.11
                                                                          =============================================== 
                                                                                                       

</TABLE>

                                                   See accompanying notes


                                                             F-4
<PAGE>
<TABLE>
<CAPTION>
                                                    HRPT PROPERTIES TRUST

                                        CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY
                                                    (DOLLARS IN THOUSANDS)


                                                                     Additional    Cumulative
                                         Number of        Common       Paid-in        Net
                                          Shares          Shares       Capital       Income           Dividends       Total   
                                     ---------------------------------------------------------------------------------------
<S>                                    <C>                <C>        <C>          <C>               <C>            <C>
Balance at December 31, 1995            65,690,166         $657       $775,688     $233,044          $(323,797)     $685,592

Issuance of shares                         475,000            5          6,985           --                 --         6,990
Conversion of convertible
   subordinated debentures, net            679,441            7         11,860           --                 --        11,867
Stock grants                                44,310           --            730           --                 --           730
Net income                                      --           --             --       73,254                 --        73,254
Dividends                                       --           --             --           --            (70,385)      (70,385)
                                     ---------------------------------------------------------------------------------------
Balance at December 31, 1996            66,888,917          669        795,263      306,298           (394,182)      708,048

Issuance of shares to
   acquire real estate                   3,985,028           40         76,521           --                 --        76,561
Issuance of shares                      27,025,000          270        482,883           --                 --       483,153
Conversion of convertible
   subordinated debentures, net            910,379            9         15,756           --                 --        15,765
Stock grants                                43,846           --            813           --                 --           813
Net income                                      --           --             --      114,000                 --       114,000
Dividends                                       --           --             --           --           (132,080)     (132,080)
                                     ---------------------------------------------------------------------------------------
Balance at December 31, 1997            98,853,170          988      1,371,236      420,298           (526,262)    1,266,260

Issuance of shares to
   acquire real estate                     286,400            3          5,702           --                 --         5,705
Issuance of shares                      31,977,575          320        579,986           --                 --       580,306
Conversion of convertible
   subordinated debentures, net            362,217            3          6,626           --                 --         6,629
Stock grants                                67,816            1          1,328           --                 --         1,329
Net income                                      --           --             --      144,516                 --       144,516
Dividends                                       --           --             --           --           (176,952)     (176,952)
                                     ----------------------------------------------------------------------------------------
Balance at December 31, 1998           131,547,178       $1,315     $1,964,878     $564,814          $(703,214)   $1,827,793
                                     ========================================================================================


</TABLE>


                                                    See accompanying notes


                                                             F-5
<PAGE>
<TABLE>
<CAPTION>
                                                    HRPT PROPERTIES TRUST

                                            CONSOLIDATED STATEMENTS OF CASH FLOWS
                                                    (DOLLARS IN THOUSANDS)
                                                                                          Year Ended December 31,          
                                                                             ---------------------------------------------- 
                                                                                1998                1997             1996 
                                                                             ---------------------------------------------- 

<S>                                                                           <C>               <C>                <C>
Cash flows from operating activities:
    Net income                                                               $  144,516          $114,000          $ 73,254
    Adjustments to reconcile net income to cash
       provided by operating activities:
           Gain on sale of properties, net                                           --            (2,898)               --
           Equity in earnings of Hospitality Properties Trust                    (7,687)           (8,590)           (8,860)
           Gain on equity transaction of Hospitality Properties Trust            (2,213)           (9,282)           (3,603)
           Dividends from Hospitality Properties Trust                           10,480             9,800             9,360
           Extraordinary item                                                     2,140             1,102             3,910
           Depreciation                                                          58,837            37,619            21,265
           Amortization                                                           1,927             1,711               841
           Amortization of deferred interest costs and bond discounts                72               699             1,444
           Change in assets and liabilities:
              Increase in interest and rents receivable and other assets        (37,127)           (5,273)           (7,839)
              Increase in accounts payable and accrued expenses                  16,581            10,832             6,033
              Increase in deferred rents                                          4,073            22,481               689
              (Decrease) increase in security deposits                             (384)           10,380             1,001
              Increase in due to affiliates                                       3,129             3,119               823
                                                                             ---------------------------------------------- 
           Cash provided by operating activities                                194,344           185,700            98,318
                                                                             ---------------------------------------------- 
Cash flows from investing activities:
    Real estate acquisitions and improvements                                  (761,414)         (548,465)         (225,428)
    Acquisition of business, less cash acquired                                      --          (337,400)               --
    Investments in mortgage loans                                              (226,000)             (520)          (17,191)
    Proceeds from repayment of notes and mortgage loans, net                     33,095            48,245             8,091
    Proceeds from sale of real estate                                             5,565            22,898                --
    Loans to affiliate, net                                                       1,365                --              (800)
                                                                             ---------------------------------------------- 
           Cash used for investing activities                                  (947,389)         (815,242)         (235,328)
                                                                             ---------------------------------------------- 


Cash flows from financing activities:
    Proceeds from issuance of common shares                                     580,306           483,153             6,990
    Proceeds from borrowings                                                  1,520,967           784,900           481,000
    Payments on borrowings                                                   (1,170,050)         (501,261)         (247,070)
    Deferred finance costs incurred                                              (7,938)           (4,668)           (7,320)
    Dividends paid                                                             (176,952)         (132,080)          (93,377)
                                                                             ---------------------------------------------- 
           Cash provided by financing activities                                746,333           630,044           140,223
                                                                             ---------------------------------------------- 

(Decrease) increase in cash and cash equivalents                                 (6,712)              502             3,213
Cash and cash equivalents at beginning of period                                 22,355            21,853            18,640
                                                                             --------------------------------------------- 
Cash and cash equivalents at end of period                                   $   15,643          $ 22,355          $ 21,853
                                                                             ==============================================

Supplemental cash flow information:
    Interest paid                                                            $   57,179          $ 34,425          $ 19,662
                                                                             ==============================================

</TABLE>


                                                   See accompanying notes


                                                             F-6
<PAGE>

<TABLE>
<CAPTION>
                                                   HRPT PROPERTIES TRUST

                                            CONSOLIDATED STATEMENTS OF CASH FLOWS
                                                    (DOLLARS IN THOUSANDS)

                                                                                          Year Ended December 31,          
                                                                              ---------------------------------------------
                                                                                  1998              1997              1996  
                                                                              ---------------------------------------------       
<S>                                                                          <C>                <C>                <C>
Non-cash investing activities:
    Real estate acquisitions                                                  $(237,404)         $(11,616)          $    --
    Disposition of real estate                                                   11,404            11,616                --
    Investment in real estate mortgages                                         226,000                --                --

    Acquisition of business, less cash acquired:
       Real estate acquisitions                                                  $5,705          $439,498           $    --
       Working capital, other than cash                                              --             2,051                --
       Liabilities assumed                                                           --           (27,588)               --
       Net cash used to acquire business                                             --          (337,400)               --
                                                                              ---------------------------------------------
       Issuance of shares                                                     $   5,705           $76,561           $    --
                                                                              =============================================

Non-cash financing activities:
    Issuance of common shares                                                 $   7,958          $ 16,578           $12,597
    Conversion of convertible subordinated debentures, net                       (6,629)          (15,765)          (11,867)





</TABLE>

                                                   See accompanying notes

                                                             F-7


<PAGE>
                              HRPT PROPERTIES TRUST
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

Note 1.  Organization

    HRPT Properties Trust (formerly Health and Retirement  Properties  Trust), a
Maryland real estate investment trust (the "Company"),  was organized on October
9, 1986. As of December 31, 1998, the Company had  investments in 122 healthcare
properties  and 134 office  properties  located in 36 states and the District of
Columbia.  In addition,  at December  31,  1998,  the Company had an 8.8% equity
investment in Hospitality  Properties  Trust ("HPT").  At December 31, 1998, HPT
owned 170 hotels in 35 states.

Note 2.  Summary of Significant Accounting Policies

    Basis of Presentation.  The consolidated  financial  statements  include the
Company's investment in 100% owned subsidiaries. The Company's investment in 50%
or less owned  companies  over  which it can  exercise  influence,  but does not
control,   is  accounted  for  using  the  equity  method.   All   inter-company
transactions have been eliminated.  The Company uses the income statement method
to account for issuance of common  shares of beneficial  interest by HPT.  Under
this method,  gains and losses reflecting  changes in the value of the Company's
ownership  stake on issuance  of stock by HPT are  recognized  in the  Company's
income statement.

    Real Estate Property and Mortgage  Investments.  Real estate  properties and
mortgages  are  recorded at cost.  Depreciation  on real estate  investments  is
provided for on a straight-line  basis over estimated useful lives ranging up to
40 years.  Impairment  losses on investments are recognized  where indicators of
impairment are present and the  undiscounted  cash flow (net  realizable  value)
estimated to be generated by the Company's investments is less than the carrying
amount of such  investments.  The determination of net realizable value includes
consideration of many factors including income to be earned from the investment,
holding costs (exclusive of interest),  estimated selling prices, and prevailing
economic and market conditions.

    Cash and Cash Equivalents.  Cash, over-night repurchase agreements and short
term investments with maturities of three months or less at the date of purchase
are carried at cost plus accrued interest.

    Deferred Finance Costs. Issuance costs related to borrowings are capitalized
and amortized over the terms of the respective loans.  Accumulated  amortization
at December 31, 1998 and 1997 was $2.8 million and $1.8 million, respectively.

    Revenue Recognition.  Rental income from operating leases is recognized on a
straight-line  basis over the life of the lease  agreements.  Interest income is
recognized  as earned  over the terms of the real estate  mortgages.  Percentage
rent and additional  mortgage interest revenue is recognized as earned.  For the
years ended  December 31, 1998,  1997 and 1996,  percentage  rent and additional
mortgage  interest  revenue was $3.1  million,  $3.1  million and $3.2  million,
respectively.

    Earnings Per Common Share. Basic earnings per common share is computed using
the weighted average number of shares outstanding during the period. At December
31, 1998 and 1997,  $204.9 million and $211.7 million of convertible  securities
were  convertible  into 11.4  million and 11.8  million  shares of the  Company,
respectively. Basic earnings per share equals diluted earnings per share, as the
effect of these convertible  securities is anti-dilutive to diluted earnings per
share.

     Reclassifications.  Reclassifications  have been  made to the prior  years'
financial statements to conform with the current year's presentation.

    Federal Income Taxes.  The Company is a real estate  investment  trust under
the Internal Revenue Code of 1986, as amended.  Accordingly, the Company expects
not to be subject to federal income taxes  provided it  distributes  its taxable
income and meets other  requirements for qualifying as a real estate  investment
trust.  However,  it is subject to some state and local  taxes on its income and
property.

    Use of Estimates.  Preparation of these  financial  statements in conformity
with  generally  accepted  accounting  principles  requires  management  to make
estimates  and  assumptions  that  may  affect  the  amounts  reported  in these
financial  statements  and related  notes.  The actual results could differ from
these estimates.

    New Accounting Pronouncements.  The Financial Accounting Standards Board has
issued  Financial  Accounting  Standards  Board  Statement  No.  130  "Reporting
Comprehensive  Income"  ("FAS  130") and  Statement  No. 131  "Disclosure  about
Segments  of an  Enterprise  and  Related  Information"  ("FAS 131") in 1997 and
Statement No. 133 "Accounting for Derivative  Instruments and Hedging Activities
("FAS 133") in 1998.  FAS 130 and FAS 131 were  adopted for the  Company's  1998
financial  statements.  FAS  130 and FAS  131  had no  impact  on the  Company's
financial  condition or results of  operations.  FAS 133 must be adopted for the
Company's year 2000 financial  statements.  The Company anticipates that FAS 133
will have no impact on the Company's reported financial  condition or results of
operations.

                                      F-8
<PAGE>
                              HRPT PROPERTIES TRUST
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

Note 3.  Real Estate Properties

    During the year ended  December  31,  1998,  the Company  acquired 48 office
properties and five nursing  properties for an aggregate amount of approximately
$981.6  million in 34 separate  transactions.  In addition,  the Company  funded
improvements to its existing properties of approximately $17.2 million.

    Also during the year ended  December 31, 1998,  the Company  disposed of one
office property and four nursing  properties for $17.0 million.  No gain or loss
was recognized on the disposition of these properties.

    The Company's real estate  properties are leased on a gross lease,  modified
gross lease or triple net lease basis  pursuant  to  noncancellable,  fixed term
operating leases expiring from 1999 to 2019. Generally, the Company's triple net
leases  to  a  single  tenant  are  cross-collateralized,   cross-defaulted  and
cross-guaranteed  and provide for renewal  terms at existing  rates  followed by
several market rate renewal terms. The triple net leases  generally  require the
lessee to provide all property management  services.  The Company's gross leases
and modified  gross leases  require the Company to provide  property  management
services.  The  office  properties  owned by the  Company  are  managed  by REIT
Management & Research, Inc. ("RMR"), an affiliate of the Company.

    The future  minimum lease  payments to be received by the Company during the
current terms of the leases as of December 31, 1998,  are  approximately  $333.6
million in 1999,  $327.1 million in 2000, $305.1 million in 2001, $277.8 million
in 2002, $256.4 million in 2003 and $1.6 billion thereafter.

    In December  1998,  the Company  entered an agreement  with an  unaffiliated
party to sell 12 nursing  facilities  with an aggregate  net book value of $60.2
million at  December  31,  1998,  currently  leased to  affiliates.  The sale is
expected  to occur in the  first  quarter  of 1999 and the  Company  expects  to
recognize a gain.  The sale of these  properties  is subject to various  closing
conditions  customary in real estate transactions and no assurances can be given
as to when or if these properties will be sold.

    In February 1999, the Company sold one healthcare property for $10.0 million
and recognized a gain of approximately $5.7 million.

Note 4.  Investment in Hospitality Properties Trust

    At  December  31,  1998,  the  Company  owned  4,000,000  common  shares  of
beneficial  interest of HPT with a carrying value of $110.6 million and a market
value,  based on quoted market prices,  of $96.5  million.  HPT is a real estate
investment  trust  which  invests  principally  in income  producing  hotel real
estate. The Company's percentage of ownership of HPT as of December 31, 1998 was
8.8%.  During 1998,  HPT  completed  several  public  stock  offerings of common
shares. As a result of these transactions, the Company's ownership percentage in
HPT was reduced  from 10.3% to 8.8% in 1998 and the  Company  realized a gain of
$2.2  million.  Although  the Company  did not sell any shares,  pursuant to the
Company's  accounting policy,  gains and losses on the issuance of common shares
of beneficial  interest by HPT are recognized in the Company's income statement.
Summarized financial data of HPT is as follows (dollars in thousands, except per
share amounts):
<TABLE>
<CAPTION>
                                December 31,                                                   Year Ended December 31,
                          -------------------------                                     ------------------------------------
                             1998           1997                                          1998          1997          1996
                          -------------------------                                     ------------------------------------
<S>                      <C>            <C>                  <C>                       <C>           <C>            <C>
Real estate
   properties, net        $1,774,811     $1,207,868            Revenues                 $174,961      $114,132       $82,629
Other assets, net             62,827        105,388            Expenses                   86,979        54,979        30,965
                          -------------------------            Income before            ------------------------------------
                          $1,837,638     $1,313,256            extraordinary item         87,982        59,153        51,664
                          =========================            Extraordinary item         (6,641)           --            -- 
                                                                                        ------------------------------------
Security deposits           $206,018       $146,662            Net income                $81,341       $59,153       $51,664
Other liabilities            457,763        158,701                                     ====================================
Shareholders'                                                                          
    equity                 1,173,857      1,007,893            Average shares             42,317        27,530        23,170
                          -------------------------                                     ====================================
                          $1,837,638     $1,313,256            Income before           
                          =========================              extraordinary item                                     
                                                                 per share                 $2.08         $2.15         $2.23
                                                                                        ====================================
                                                               Net income per share        $1.92         $2.15         $2.23
                                                                                        ====================================
</TABLE>
                                                F-9
<PAGE>
                              HRPT PROPERTIES TRUST
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

Note 5.  Real Estate Mortgages and Notes Receivable, Net
<TABLE>
<CAPTION>
                                                                               December 31,
                                                                      --------------------------
                                                                          1998            1997
                                                                      --------------------------
                                                                         (dollars in thousands)
<S>                                                                     <C>             <C>  
Mortgage notes receivable, due February 1999 through 
    December 2016                                                        $30,961         $41,437
Mortgage notes receivable due December 2010                               18,992          19,185
Mortgage notes receivable due December 2002                               12,233          12,240
Mortgage notes receivable, repaid September 1998                              --          11,466
Mortgage notes receivable, repaid January 1998                                --          11,472
Mortgage notes receivable due December 2016                                7,040           7,063
Other collateralized notes receivable due January 1999                        12             196
Loan to an affiliate due June 1999                                         1,000           2,365
                                                                      --------------------------
                                                                          70,238         105,424
Less allowance and unamortized discounts                                   1,010           1,136
                                                                      --------------------------
                                                                         $69,228        $104,288
                                                                      ==========================
</TABLE>
    During 1998, the Company received regularly  scheduled principal payments of
$0.8 million and repayments of mortgages secured by eight healthcare  properties
of  $34.4  million,  including  $1.4  million  from a loan to an  affiliate.  In
addition,  the Company  purchased a mortgage loan secured by a commercial office
property for $226.0 million. Subsequent to the acquisition of the mortgage loan,
the Company acquired the beneficial ownership of the property.

    At  December  31,  1998,  the  interest  rates on the  mortgages  and  notes
receivable ranged from 7.87% to 13.75% per annum.

Note 6.  Shareholders' Equity

    During 1998, the Company sold 25,000,000  common shares in a public offering
and sold 6,977,575  common shares in four offerings to separate unit  investment
trusts  sponsored by various  investment  banks,  raising net proceeds of $580.3
million.  The Company also issued 286,400 common shares for the purchase of real
estate,  issued  362,217  common  shares in exchange for the  conversion of $6.8
million of its  convertible  subordinated  debentures due 2003 and issued 52,316
common  shares to HRPT  Advisors,  Inc.  (the  "Advisor"),  an  affiliate of the
Company, as the incentive fee earned for the year ended December 31, 1997.

    The Company has reserved  1,000,000  shares of the  Company's  common shares
under the terms of the 1992  Incentive  Share  Award  Plan (the  "Award  Plan").
During 1998, 1997 and 1996, 13,000, 9,500 and 7,250 shares,  respectively,  were
granted to officers of the Company and certain employees of RMR and the Advisor.
In addition,  the three Independent  Trustees,  as part of their annual fee, are
each granted 500 common shares  annually.  Also,  1,000 shares were granted to a
trust for the child of a deceased  Trustee.  The shares  granted to the Trustees
vest  immediately.  The shares granted to the officers and certain  employees of
RMR vest over a three-year  period. At December 31, 1998,  789,128 shares of the
Company's common shares remain reserved for issuance under the Award Plan.

    In January 1999,  the Company  declared a dividend of $.38 to be distributed
on or about February 22, 1999. Dividends per share paid by the Company for 1998,
1997 and 1996 were $1.51, $1.45 and $1.41, respectively.

    The  Company  adopted a  Shareholders  Rights  Plan  ("Right").  Each  Right
entitles the holder to purchase or to receive  securities or other assets of the
Company upon the occurrence of certain events.  The Rights expire on October 17,
2004 and are redeemable at the Company's option at any time.

Note 7.  Commitments and Contingencies

    At December 31, 1998, the Company had total  commitments  aggregating  $21.7
million to fund or finance improvements to properties leased or mortgaged by the
Company and to purchase two office properties.

    The Company is involved in litigation with a former tenant.  Since 1995, the
Company  has  asserted  its claims and rights  against  the former  tenant.  The
outcome of the Company's  claims and the former tenant's  counter claims against
the Company cannot be predicted.

    Lessee's and mortgagors' of some of the Company's healthcare  properties are
dependent  upon  compliance  with  regulations  within the health care industry.
Future changes to these  regulations  may affect the health care  industry,  the
Company's lessees and mortgagors and, as a result, the Company.

                                      F-10
<PAGE>
                              HRPT PROPERTIES TRUST
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

Note 8.  Transactions with Affiliates

    As of January 1, 1998,  the Company  entered into an  agreement  with RMR to
provide investment,  management, property management and administrative services
to the Company. During the two years ended December 31, 1997, such services were
provided by the Advisor and M&P Partners Limited Partnership ("M&P"), affiliates
of the Company,  on similar terms. RMR is owned by Gerard M. Martin and Barry M.
Portnoy,  who also serve as Managing Trustees of the Company. RMR is compensated
at an annual rate equal to .7% of the Company's  real estate  investments  up to
$250.0 million and .5% of such investments thereafter,  plus property management
fees equal to three percent of gross rents. RMR is also entitled to an incentive
fee  comprised of  restricted  shares of the  Company's  common stock based on a
formula.  Incentive  fees for the years ended  December 31, 1998,  1997 and 1996
were $1.4 million, $1.0 million and $0.6 million, which represent  approximately
89,702, 52,316 and 32,846 common shares, respectively. At December 31, 1998, the
Advisor owned 1,134,372 common shares.

    Messrs.  Martin  and  Portnoy  are  principal  shareholders  of  Connecticut
Subacute Corporation ("CSC"), Connecticut Subacute Corporation II, New Hampshire
Subacute   Corporation   ("NHSC")  and  Vermont  Subacute   Corporation  ("VSC")
(collectively,  the "Subacute  Entities").  The Subacute Entities are lessees of
the  Company.  The Company has extended a $4.0 million line of credit to CSC. At
December  31,  1998  and  1997,   there  was  $1.0  million  and  $2.4  million,
respectively,   outstanding  under  this  agreement.   The  lease  and  mortgage
transactions  with the  Subacute  Entities  are  based on  market  terms and are
generally   similar  to  the  Company's  lease  and  mortgage   agreements  with
unaffiliated companies.  The former president of the Company is the president of
the  Subacute  Entities.  As  discussed  in Note 3, the  Company  has entered an
agreement  to sell the 12 nursing  facilities  leased to CSC,  NHSC and VSC to a
nonaffiliated party.

    Amounts resulting from transactions with affiliates are as follows:

                                                Year Ended December 31,
                                          ----------------------------------
                                            1998          1997         1996
                                          ----------------------------------
                                                 (dollars in thousands)

Investment advisory fees                   $13,592        $8,620      $5,349
Dividends                                    1,694         1,557       1,467
Rent and interest income                    13,741        13,616      12,981
Management fees                              6,703         2,382         371

Note 9.  Indebtedness
<TABLE>
<CAPTION>
                                                                                     December 31,
                                                                              ---------------------------
                                                                                   1998            1997
                                                                              ---------------------------
                                                                                  (dollars in thousands)
<S>                                                                              <C>            <C>
$500,000 unsecured revolving bank credit facility, due April 2002, at
      LIBOR plus a premium (6.5% at December 31, 1998)                            $100,000       $200,000
Senior Notes, due 2002 at 6.75%                                                    150,000        150,000
Senior Notes, due 2002 at 6.875%                                                   160,000             --
Senior Notes, due 2005 at 6.7%                                                     100,000             --
Monthly Income Senior Notes, due 2013 at 8.5%                                      143,000             --
Remarketed Reset Notes, due 2007 at LIBOR plus 0.60% (6.0% at 
      December 31, 1998)                                                           250,000        200,000
Mortgage Notes Payable, due 2008 at 8.00%                                           13,114         13,958
Mortgage Notes Payable, due 2009 at 7.66%                                           11,665         12,371
Convertible Subordinated Debentures, due 2003 at 7.50%                             164,863        171,650
Convertible Subordinated Debentures, due 2001 at 7.25%                              40,000         40,000
                                                                              ---------------------------
                                                                                 1,132,642        787,979
Less unamortized discounts                                                            (561)          (100)
                                                                              ---------------------------
                                                                                $1,132,081       $787,879
                                                                              ===========================
</TABLE>
    During 1998,  the Company  issued senior  unsecured  remarketed  reset notes
totaling  $50.0  million  and issued  unsecured  senior  notes  totaling  $403.0
million, at a discount ($.5 million),  in three separate  transactions,  raising
net proceeds of $445.6  million.  Net proceeds from the notes were used to repay
amounts then outstanding under the Company's revolving bank credit facility, for
property acquisitions and for general business purposes.

                                      F-11
<PAGE>
                              HRPT PROPERTIES TRUST
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

     In April 1998,  the Company  entered  into a new $500.0  million  unsecured
revolving  bank  credit  facility  (the "New Credit  Facility.")  The New Credit
Facility matures in 2002 and bears interest at LIBOR plus a premium. The Company
recognized an extraordinary loss on the early  extinguishment of debt in 1998 of
$2.1 million as a result of the write-off of deferred  financing fees associated
with the previous revolving bank credit facility.

    During  1998,  approximately  $6.8 million of the  convertible  subordinated
debentures  (the  "Debentures")  due 2003 had been converted into 362,217 common
shares of the  Company.  The  Debentures  are  callable in October  1999 and are
convertible at any time into common shares of the Company at $18 per share.

    At December 31, 1998,  three  properties with an aggregate net book value of
$43.5 million were secured by mortgages due in 2008 and 2009.

    The  required  principal  payments  due  during the next five years are $1.7
million in 1999, $1.8 million in 2000, $41.9 million in 2001,  $412.1 million in
2002, $167.1 million in 2003 and $508.0 million thereafter.

Note 10.  Fair Value of Financial Instruments

    The  Company's  financial  instruments  include  cash and cash  equivalents,
mortgage notes receivable, rents receivable, an equity investment, senior notes,
mortgage  notes  payable,  convertible  debentures,  accounts  payable and other
accrued expenses,  a letter of credit and security deposits.  Except as follows,
the fair values of the financial  instruments were not materially different from
their carrying values:
<TABLE>
<CAPTION>
                                                             1998                               1997
                                                ----------------------------       ----------------------------
                                                   Carrying                           Carrying
                                                    Amount        Fair Value           Amount        Fair Value
                                                ----------------------------       ----------------------------
                                                     (dollars in thousands)             (dollars in thousands)
<S>                                             <C>              <C>                  <C>             <C>     
Real estate mortgages and notes                  $   69,228       $   73,997           $104,288        $110,140
Investment in HPT                                   110,554           96,500            111,134         131,500
Senior notes, mortgage notes payable and
     convertible debentures                       1,032,081        1,020,550            587,879         591,190
Commitments                                              --           21,746                 --          92,096
Letter of credit                                         --            1,653                 --           1,653
</TABLE>
    The fair values of the real estate mortgages,  senior notes,  mortgage notes
payable and convertible  debentures are based on estimates using discounted cash
flow analysis and currently  prevailing  rates. The fair value of the investment
in HPT is based on the  quoted  per  share  prices of  $24.125  and  $32.875  at
December 31, 1998 and 1997, respectively.  The fair value of the commitments and
letter of credit represents the actual amounts committed.

Note 11.  Concentration of Credit Risk

    The Company's assets are primarily  invested in income producing real estate
located throughout the United States. At December 31, 1998, properties leased to
the United  States  Government  represented  $431.1  million of net real  estate
investments and for the year ended December 31, 1998, provided rental revenue of
$60.3  million.  At December 31, 1997,  properties  leased to the United  States
Government,  Marriott  International,  Inc. and Integrated Health Services, Inc.
represented $433.2 million, $299.9 million and $172.8 million of net real estate
investments,  respectively, and provided revenue of $43.4 million, $30.4 million
and $27.0 million, respectively.

                                      F-12
<PAGE>
                              HRPT PROPERTIES TRUST
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

Note 12.  Segment Information

    The Company has two reportable  segments;  healthcare and office properties.
The Company's healthcare  properties consist of senior housing,  congregate care
communities,  assisted living and nursing homes. The Company's office properties
consist of government  office,  medical  office,  medical clinics and commercial
office properties.

    The Company  evaluates  its  segments  based on net  operating  income.  The
accounting  policies of the reportable  segments are the same as those described
in the summary of significant accounting policies.

    The  following  is a summary  of the  Company's  reportable  segments  as of
December 31, 1998 and 1997 and for the years ended  December 31, 1998,  1997 and
1996:
<TABLE>
<CAPTION>
                                                                  Year Ended December 31, 1998
                                                       --------------------------------------------------
                                                         Healthcare         Office             Total
                                                       --------------------------------------------------
<S>                                                         <C>                <C>              <C>     
Revenues                                                     $110,096           $245,955         $356,051
Operating expenses                                                 --             77,536           77,536
                                                       --------------------------------------------------
Net operating income                                         $110,096           $168,419         $278,515
                                                       ==================================================

Real estate at year end                                      $895,748         $2,129,962       $3,025,710
Real estate acquired during the year                           12,924            985,894          998,818
<CAPTION>
                                                                  Year Ended December 31, 1997
                                                       --------------------------------------------------
                                                         Healthcare         Office             Total
                                                       --------------------------------------------------
<S>                                                         <C>                <C>              <C>     
Revenues                                                     $113,243            $93,670         $206,913
Operating expenses                                                 --             26,765           26,765
                                                       --------------------------------------------------
Net operating income                                         $113,243            $66,905         $180,148
                                                       ==================================================

Real estate at year end                                      $929,181         $1,144,130       $2,073,311
Real estate acquired during the year                           23,003            965,480          988,483
<CAPTION>

                                                                  Year Ended December 31, 1996
                                                       --------------------------------------------------
                                                         Healthcare          Office            Total
                                                       --------------------------------------------------
<S>                                                         <C>                <C>              <C>     
Revenues                                                      $102,076           $15,030         $117,106
Operating expenses                                                  --             3,776            3,776
                                                       --------------------------------------------------
Net operating income                                          $102,076           $11,254         $113,330
                                                       ==================================================
</TABLE>
    The following  tables  reconcile  the reported  segment  information  to the
consolidated  financial  statements for the years ended December 31, 1998,  1997
and 1996:
<TABLE>
<CAPTION>
                                                                         December 31,
                                                       --------------------------------------------------
                                                                 1998              1997              1996
                                                       --------------------------------------------------
<S>                                                         <C>               <C>               <C>
Revenues:
   Total per reportable segment                              $356,051          $206,913          $117,106
   Unallocated other income                                       503             1,950             3,077
                                                       --------------------------------------------------
     Total consolidated revenues                             $356,554          $208,863          $120,183
                                                       ==================================================
Net operating income:
   Total per reportable segment                              $278,515          $180,148          $113,330
   Unallocated amounts:
     Other net income                                             503             1,950             3,077
     Interest expense                                         (64,326)          (36,766)          (22,545)
     Depreciation and amortization expense                    (60,764)          (39,330)          (22,106)
     General and administrative expenses                      (17,172)          (11,670)           (7,055)
                                                       --------------------------------------------------
     Total consolidated income before equity in
         earnings of HPT, gain on sale of
         properties and extraordinary item                   $136,756           $94,332           $64,701
                                                       ==================================================
</TABLE>
                                      F-13
<PAGE>
                             HRPT PROPERTIES TRUST
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

    For the years ended December 31, 1998 and 1997,  revenues from one lessee of
the  Company's  office  segment  represented  $60.3  million and $43.4  million,
respectively,  of the  Company's  consolidated  revenues.  For  the  year  ended
December 31, 1997, revenues from two lessees of the Company's healthcare segment
represented $57.4 million of the Company's  consolidated  revenues. For the year
ended December 31, 1996, revenues from three lessees of the Company's healthcare
segment represented $62.2 million of the Company's consolidated revenues.

Note 13.  Senior Housing Properties Transaction

    In  December  1998,  the Company  announced  a plan for a possible  separate
financing  which  would  include  a public  offering  of  common  shares  of the
Company's   subsidiary,   Senior  Housing   Properties  Trust  ("SNH"),   and  a
distribution to the Company's  shareholders of common shares of that subsidiary.
The public offering and distribution constitute one alternative transaction that
the Company is considering  with respect to financing its healthcare real estate
investments.  The  transaction is highly  contingent.  There can be no assurance
that the Company will pursue the spin-off and public  offering rather than other
alternatives  or that it will  separately  finance its healthcare  properties at
all.

Note 14.  Selected Quarterly Financial Data (Unaudited)

    The following is a summary of the unaudited  quarterly results of operations
of the Company for 1998 and 1997.  The amounts are in  thousands  except for per
share amounts.
<TABLE>
<CAPTION>
                                                                                               1998
                                                                        ------------------------------------------------------
                                                                           First        Second          Third          Fourth
                                                                          Quarter       Quarter        Quarter        Quarter
                                                                        ------------------------------------------------------
<S>                                                                     <C>           <C>             <C>          <C>      
Revenues                                                                 $ 71,952      $ 83,291        $ 96,960     $ 104,351
Income before equity in earnings of HPT, gain on sale of
      properties and extraordinary item                                    28,522        32,875          38,036        37,323
Equity in earnings of HPT                                                   1,327         2,138           2,076         2,146
Gain (loss) on equity transaction of HPT                                    1,532           938              --          (257)
Income before gain on sale of properties and extraordinary item            31,381        35,951          40,112        39,212
Gain on sale of properties                                                     --            --              --            --
Income before extraordinary item                                           31,381        35,951          40,112        39,212
Extraordinary item - early extinguishment of debt                              --        (2,140)            --             --
Net income                                                                 31,381        33,811          40,112        39,212
Per share data:
  Income before equity in earnings of HPT, gain on sale of
    properties and extraordinary item                                         .28           .29             .29           .28
  Income before gain on sale of properties and extraordinary item             .31           .31             .30           .30
  Income before extraordinary item                                            .31           .31             .30           .30
  Net income                                                                  .31           .30             .30           .30
<CAPTION>
                                                                                                1997
                                                                        ------------------------------------------------------
                                                                           First        Second          Third          Fourth
                                                                          Quarter       Quarter        Quarter        Quarter
                                                                        ------------------------------------------------------
<S>                                                                     <C>           <C>             <C>           <C>      
Revenues                                                                 $ 35,884       $ 52,507       $ 57,304      $ 63,168
Income before equity in earnings of HPT, gain on sale of 
     properties and extraordinary item                                     17,143         25,669         26,186        25,334
Equity in earnings of HPT                                                   2,256          2,189          2,238         1,907
Gain on equity transaction of HPT                                              --             --             --         9,282
Income before gain on sale of properties and extraordinary item            19,399         27,858         28,424        36,523
Gain on sale of properties                                                     --             --          2,898            --
Income before extraordinary item                                           19,399         27,858         31,322        36,523
Extraordinary item - early extinguishment of debt                              --             --         (1,102)           --
Net income                                                                 19,399         27,858         30,220        36,523
Per share data:
  Income before equity in earnings of HPT, gain on sale of
    properties and extraordinary item                                         .24            .26            .26           .26
  Income before gain on sale of properties and extraordinary item             .27            .28            .29           .37
  Income before extraordinary item                                            .27            .28            .32           .37
  Net income                                                                  .27            .28            .31           .37
</TABLE>
                                      F-14
<PAGE>
                              HRPT PROPERTIES TRUST
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

Note 15.  Pro Forma Information (Unaudited)

    In 1997 and 1998, the Company  acquired 29 office buildings (the "Government
Properties")  leased to various agencies of the United States Government through
the  acquisition  of  Government   Properties   Investors,   Inc.  ("GPI").  The
acquisition  was  accounted  for as a purchase and the net assets and results of
operations are included in the consolidated  financial statements since the date
of  acquisition.  The  acquisition of the Government  Properties was funded,  in
part,  with the  proceeds  from the  issuance  of the  Company's  common  shares
pursuant to a public offering, the issuance of common shares of the Company in a
private placement and the assumption of debt.

    The following unaudited condensed Pro Forma Statements of Income assumes the
acquisition of GPI had occurred on January 1, 1996.

    The pro forma  statements  of income is not  necessarily  indicative  of the
expected results of operations for any future period.  Differences  could result
from,  but are not  limited  to,  additional  property  investments,  changes in
interest rates and changes in the debt and/or equity structure of the Company.


Condensed Pro Forma Statements of Income (unaudited)
(dollars in thousands, except per share amounts)        Years Ended December 31,
                                                        ------------------------
                                                            1997          1996
                                                        ------------------------
Total revenues                                          $221,051      $176,125
Income before extraordinary item                        $119,988      $102,711
Net income                                              $118,886       $98,801
Income before extraordinary item per basic share           $1.29         $1.46
Net income per basic share                                 $1.28         $1.41


                                      F-15



<PAGE>

                                   SIGNATURES

Pursuant  to the  requirements  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.


                                    HRPT PROPERTIES TRUST



                                    By: /s/ Ajay Saini                         
                                        Ajay Saini, Treasurer and 
                                          Chief Financial Officer

Date:    March 5, 1999


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