HEALTH & RETIREMENT PROPERTIES TRUST
8-K, 1996-10-02
REAL ESTATE INVESTMENT TRUSTS
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                       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): October 1, 1996





                     HEALTH AND RETIREMENT PROPERTIES TRUST
               (Exact name of registrant as specified in charter)


    Maryland                         1-9317                   04-6558834
 (State or other                (Commission file            (IRS employer
 jurisdiction of                    number)              identification no.)
 incorporation)




400 Centre Street, Newton, Massachusetts                     02158
(Address of principal executive offices)                   (Zip code)


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


<PAGE>


                                      - 2 -


Item 7.           Financial Statements, Pro Forma Financial Information
                  and Exhibits.

(c) Exhibits.

         1.1      Form of  underwriting  agreement  among Health and  Retirement
                  Properties  Trust  (the  "Company")  and  NatWest   Securities
                  Limited and Merrill  Lynch & Co.  relating to the  offering of
                  the Company's 7.5% Convertible  Subordinated  Debentures,  due
                  2003, Series A (the "Series A Debentures").

         1.2      Form of placement  agreement  between the Company and National
                  Westminster Bank PLC, New York branch relating to the offering
                  of the Company's 7.25%  Convertible  Subordinated  Debentures,
                  due 2001 (the "7.25% Debentures").

         4.1      First  Supplemental  Indenture  between  the Company and Fleet
                  National Bank ("Fleet"), as trustee,  relating to the Series A
                  Debentures (including form of Series A Debenture).

         4.2      Third  Supplemental  Indenture  between  the Company and Fleet
                  National  Bank  ("Fleet"),  as  trustee,  relating to the 7.5%
                  Debentures (including form of 7.5% Debenture).

         8.1      Opinion of Sullivan & Worcester LLP with regard to certain tax
                  matters affecting the Company.

         10.1     Amended and  Restated  Promissory  Note,  dated July 29, 1996,
                  from Connecticut Subacute Corporation to the Company.

         23.1     Consent of  Sullivan &  Worcester  LLP,  included as a part of
                  Exhibit 8.1.





<PAGE>


                                      - 3 -


                                   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.

                                          HEALTH AND RETIREMENT
                                            PROPERTIES TRUST



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

Date: October 1, 1996







                                                               EXHIBIT 1.1

                     HEALTH AND RETIREMENT PROPERTIES TRUST

                                   $70,000,000

          7.50% Convertible Subordinated Debentures Due 2003, Series A



                             UNDERWRITING AGREEMENT



                                                             October 2, 1996


NATWEST SECURITIES LIMITED
MERRILL LYNCH, PIERCE, FENNER &
  SMITH INCORPORATED
  as Representatives of the
  several Underwriters
c/o Natwest Securities Limited
135 Bishopsgate
London EC2M 3XT
England

Ladies and Gentlemen:

         Health  and  Retirement   Properties  Trust,  a  Maryland  real  estate
investment trust (the "Company"), proposes to issue and sell to the underwriters
named on  Schedule  I hereto  (the  "Underwriters")  for whom you are  acting as
representatives (the "Representatives"),  $70,000,000 aggregate principal amount
of 7.50%  Convertible  Subordinated  Debentures  due 2003,  Series A (the  "Firm
Debentures"), which are convertible into common shares of beneficial interest of
the  Company,  par value $.01 per share (the "Common  Shares"),  at a conversion
price  of  $18.00  per  Common  Share,   subject  to  adjustment  under  certain
circumstances,  and having such other terms as set forth on Schedule III hereto.
In addition,  the Company  hereby  grants to you and the other  Underwriters  an
option (the  "Option")  to purchase up to an  additional  $10,500,000  aggregate
principal amount of 7.50% Convertible  Subordinated  Debentures due 2003, Series
A, on the terms and  conditions and for the purposes set forth in Section 2 (the
"Option  Debentures").  The  Firm  Debentures  and,  if  purchased,  the  Option
Debentures are hereinafter  collectively  referred to as the  "Debentures."  The
issuance  and  sale  of  the  Debentures  is  hereinafter  referred  to  as  the
"Offering." The Debentures are to be issued  pursuant to that certain  indenture
dated as of September  20, 1996 (the "Base  Indenture")  between the Company and
Fleet  National Bank (or such other money center bank  acceptable to the Company
and the Representatives), as trustee (the "Trustee"), as amended by that certain
First  Supplemental  Indenture,  dated as of October 7, 1996 (the  "Supplemental
Indenture"),   between  the  Company  and  the  Trustee  (as  so  amended,   the
"Indenture").  The  Company  will  deliver  copies  of the  Base  Indenture  and


                                                      

<PAGE>


Supplemental  Indenture to each of the Underwriters prior to the Initial Closing
(as defined below). The Common Shares issuable upon conversion of the Debentures
are  hereinafter  collectively  referred  to as  the  "Conversion  Shares."  The
Debentures are to be sold to each Underwriter, acting severally and not jointly,
in  such  amounts  as are  listed  in  Schedule  I  opposite  the  name  of each
Underwriter.  The  Debentures are more fully  described in the Final  Prospectus
referred to below. If the firm or firms listed in Schedule I hereto include only
the firm or firms to which this  Agreement  is addressed  above,  then the terms
"Underwriters" and  "Representatives,"  as used herein,  each shall be deemed to
refer to such firm or firms.

         The Company hereby confirms its agreement with the several Underwriters
as follows:

         1. Agreement to Sell and Purchase.

              (a) On the basis of the representations  and warranties  contained
in, and subject to the terms and conditions of, this Agreement,  (i) the Company
agrees to issue and sell to each  Underwriter  the Firm Debentures and (ii) each
Underwriter,  severally and not jointly, agrees to purchase from the Company the
Firm  Debentures,  on the  Initial  Closing  Date (as defined in Section 3) at a
purchase price of 97.6% of the principal amount of the Firm Debentures set forth
opposite such Underwriter's name on Schedule I hereto, plus accrued interest, if
any, from the Initial Closing Date.

              (b)  The  Company   hereby   grants  the  Option  to  the  several
Underwriters to purchase,  severally and not jointly,  the Option  Debentures at
the same price per Option Debenture as the  Underwriters  shall pay for the Firm
Debentures.  The Underwriters  shall not be under any obligation to purchase any
of the Option Debentures prior to any exercise of such option. The Option may be
exercised only to cover  over-allotments  in the sale of the Firm  Debentures by
the  Underwriters  and may be exercised in whole or in part at any time and from
time to time on or before the date that is 30 days after the date hereof (or the
next  business  day if the 30th day is not a  business  day)  upon  notice  (the
"Option Debentures Notice") in writing or by telephone (confirmed in writing) by
the  Representatives to the Company no later than 5:00 p.m., New York City time,
at least two and no more than seven  business days before the date specified for
closing in the Option  Debentures  Notice setting forth the aggregate  principal
amount  of the  Option  Debentures  to be  purchased  and the date of each  such
purchase (each such date, an "Option  Closing  Date").  The Initial Closing Date
and Option Closing Dates are sometimes herein referred to respectively as the


                                       -2-

<PAGE>


related "Closing Dates". On each Option Closing Date, the Company will issue and
sell to the Underwriters the principal amount of Option  Debentures set forth in
the related Option  Debentures  Notice and,  subject to the terms and conditions
and in reliance upon the  representations  and warranties set forth herein, each
Underwriter,  severally and not jointly,  will  purchase such  percentage of the
related Option  Debentures as is equal to the percentage of Firm Debentures that
such  Underwriter is to purchase on the Initial Closing Date, as adjusted by the
Representatives  in  such  manner  as they  may  agree  is  advisable  to  avoid
fractional Debentures.

         2. Reserved.

         3.  Delivery and Payment.  The closing for the purchase and sale of the
Firm  Debentures  shall occur at the offices of Sullivan &  Worcester,  One Post
Office  Square,  Boston,  Massachusetts  02109,  at 10:00 a.m.,  Boston time, on
October  7, 1996 or at such  other  time or on such  other date as may be agreed
upon by the Company and the Representatives  (such date is hereinafter  referred
to as the "Initial  Closing  Date").  The purchase  price in respect of the Firm
Debentures will be paid by the several  Underwriters through the Representatives
to the Company (to such account as the Company shall, at least two business days
prior  thereto,  have  instructed  the  Representatives  to make payment) on the
Initial  Closing Date in same-day  funds  cleared  through the New York Clearing
House  Interbank  Payments  System.  Such  payment  shall be made  only  against
delivery of the Firm Debentures to the Representatives.

         To  the  extent  the  Option  is  exercised,  delivery  of  the  Option
Debentures  against payment by the  Underwriters (in the manner specified above)
will take place at the offices  specified  above for the Initial Closing Date at
the time and date (which may be the Firm Closing  Date)  specified in the Option
Debentures Notice.

         Certificates  evidencing  the Debentures  shall be in definitive  form,
registered in such names and in such  denominations as the  Representatives  may
request not less than two full business  days in advance of the Initial  Closing
Date or the Option Closing Date, as the case may be.

         The Company  agrees to have the  Debentures  available for  inspection,
checking and packaging by the  Representatives  in New York, New York, not later
than 1:00 p.m.  on the  business  day prior to the Initial  Closing  Date or the
Option Closing Date, as the case may be.

         4.   Representations  and  Warranties  of  the  Company.   The  Company
represents,  warrants  and  covenants as of the date hereof and, as set forth in
Section 8(c) will represent, warrant and covenant as of the Initial Closing Date
and each Option Closing Date, to each Underwriter that:


                                       -3-

<PAGE>



              (a) The Company and the transaction  contemplated  hereby meet the
requirements  for use of Form S-3 under the  Securities  Act of 1933, as amended
(the "Securities Act"), and the rules and regulations (the "Securities Act Rules
and Regulations") of the Securities and Exchange  Commission (the  "Commission")
thereunder,  and the Company  has filed a  registration  statement  on such Form
(Registration No. 333-02863) which has become effective, for the registration of
the  Debentures  and the  Conversion  Shares  under the  Securities  Act and the
Securities Act Rules and Regulations. Such registration statement, as amended at
the date of this Agreement,  meets the  requirements set forth in Rule 415(a)(1)
of the Securities Act Rules and  Regulations  and complies in all other material
respects  with said  Rule.  The  Company  proposes  to file with the  Commission
pursuant to Rule 424 of the Securities Act Rules and Regulations a supplement to
the form of prospectus  included in such registration  statement relating to the
Debentures  and the  Conversion  Shares  and the  plan  of  distribution  of the
Debentures and has previously advised you of all further information  (financial
and  other)  with  respect  to  the  Company  to  be  set  forth  therein.  Such
registration  statement,  including the exhibits thereto, as amended at the date
of this Agreement,  is hereinafter  called the  "Registration  Statement";  such
prospectus  in the form in which it appears  in the  Registration  Statement  is
hereinafter called the "Basic  Prospectus";  and such supplemented form of final
prospectus,  in the form in which it shall be filed with the Commission pursuant
to Rule 424 (including the Basic  Prospectus as so  supplemented) is hereinafter
called the "Final  Prospectus."  Any  preliminary  form of the Final  Prospectus
which has heretofore  been filed pursuant to Rule 424  hereinafter is called the
"Preliminary  Final  Prospectus."  Any  reference  herein  to  the  Registration
Statement,  the Basic Prospectus,  any Preliminary Final Prospectus or the Final
Prospectus shall be deemed to refer to and include the documents incorporated by
reference  therein  pursuant  to Item 12 of Form S-3 which were filed  under the
Securities  Exchange Act of 1934, as amended (the "Exchange  Act"), on or before
the date of this  Agreement,  or the  issue  date of the Basic  Prospectus,  any
Preliminary  Final Prospectus or the Final  Prospectus,  as the case may be (the
"Incorporated  Documents");  and any  reference  herein  to the  terms  "amend,"
"amendment" or  "supplement"  with respect to the  Registration  Statement,  the

                                       -4-

<PAGE>


Basic  Prospectus,  and the Preliminary Final Prospectus or the Final Prospectus
shall be deemed to refer to and  include  the filing of any  document  under the
Exchange  Act after the date of this  Agreement,  or the issue date of the Basic
Prospectus,  any Preliminary  Final Prospectus or the Final  Prospectus,  as the
case may be, and deemed to be incorporated therein by reference.

              (b) As of each of the  following  dates  or  times:  (1) the  date
hereof, (2) when the Final Prospectus is first filed pursuant to Rule 424 of the
Securities Act Rules and  Regulations,  (3) when, prior to the Firm Closing Date
(as hereinafter defined) or any Option Closing Date (as hereinafter defined), as
the case may be, any amendment to the Registration  Statement  becomes effective
(including  the  filing  of  any  document  incorporated  by  reference  in  the
Registration  Statement),  (4) when any  supplement  to the Final  Prospectus is
filed with the  Commission,  (5) at the Firm Closing Date, and (6) at any Option
Closing Date, (i) the Registration Statement as amended as of any such time, and
the Final  Prospectus,  as amended  or  supplemented  as of any such time,  will
comply  in  all  material  respects  with  the  applicable  requirements  of the
Securities Act, the Securities Act Rules and  Regulations,  the Exchange Act and
the rules and  regulations  under the Exchange Act (the  "Exchange Act Rules and
Regulations"),  (ii) the Registration Statement, as amended as of any such time,
will not contain any untrue  statement  of a material  fact or omit to state any
material  fact  required to be stated  therein or necessary in order to make the
statements therein not misleading, and (iii) the Final Prospectus, as amended or
supplemented  as of any such time,  will not contain any untrue  statement  of a
material fact or omit to state any material  fact required to be stated  therein
or  necessary  in  order  to  make  the  statements  therein,  in  light  of the
circumstances  under which they were made, not  misleading;  provided,  however,
that the Company makes no  representations  or warranties as to the  information
contained in or omitted from the Registration  Statement or the Final Prospectus
or  any  amendment  thereof  or  supplement  thereto  in  reliance  upon  and in
conformity with information relating to any Underwriter  furnished in writing to
the  Company  by or on behalf of any  Underwriter  through  the  Representatives
specifically  for use in connection  with the  preparation  of the  Registration
Statement and the Final Prospectus.


                                       -5-

<PAGE>



              (c) The Incorporated  Documents  heretofore  filed, when they were
filed (or, if any amendment  with respect to any such  document was filed,  when
such  amendment  was  filed),  conformed  in  all  material  respects  with  the
requirements of the Exchange Act and the Exchange Act Rules and Regulations, any
further  Incorporated  Documents so filed will, when they are filed,  conform in
all material respects with the requirements of the Exchange Act and the Exchange
Act  Rules and  Regulations;  no such  document  when it was  filed  (or,  if an
amendment  with respect to any such document was filed,  when such amendment was
filed),  contained an untrue  statement of a material fact or omitted to state a
material  fact  required to be stated  therein or necessary in order to make the
statements  therein,  in light of the circumstances  under which they were made,
not misleading;  and no such further document, when it is filed, will contain an
untrue  statement  of a  material  fact or will  omit to state a  material  fact
required  to be stated  therein  or  necessary  in order to make the  statements
therein,  in  light  of the  circumstances  under  which  they  were  made,  not
misleading.

              (d) The Company is a Maryland real estate investment trust in good
standing under the laws of the State of Maryland.  Each of its  subsidiaries (as
hereinafter  defined)  has  been  duly  organized,  is  validly  existing  as  a
corporation in good standing under the laws of its jurisdiction of incorporation
or  organization.  Each of the Company and its  subsidiaries  has full power and
authority  (corporate  and other) to carry on its  business as  described in the
Registration  Statement and the Final  Prospectus  and to own, lease and operate
its properties.  Each of the Company and its  subsidiaries is duly qualified and
is in good  standing  as a foreign  corporation  or  trust,  as the case may be,
authorized  to do  business  in each  jurisdiction  in which  the  nature of its
business or its ownership or leasing of property  requires  such  qualification,
except  where the failure to be so qualified  would not have a material  adverse
effect  on the  Company  and  its  subsidiaries,  taken  as a  whole.  The  only
subsidiaries  (as defined in the  Securities Act Rules and  Regulations)  of the
Company which are actively  engaged in business are the  subsidiaries  listed on
Schedule II hereto (the "subsidiaries").

              (e) No injunction,  stop order,  restraining order or order of any
nature by a federal,  state or foreign court of competent  jurisdiction has been
issued that would  prevent or  interfere  with the  issuance  of the  Debentures
(including,  but not  limited  to,  any  order  suspending  the use of the Final


                                       -6-

<PAGE>



Prospectus or any Preliminary Final Prospectus or suspending the registration or
qualification  of the Conversion  Shares);  no  proceedings  with the purpose of
preventing or interfering  with the Offering are pending,  threatened or, to the
Company's  knowledge,  contemplated  by any  securities  or  other  governmental
authority in any jurisdiction (including,  without limitation,  the Commission);
and no order suspending the qualification or exemption from qualification of the
Debentures or the  Conversion  Shares under the securities or "Blue Sky" laws of
any  jurisdiction  is in effect and no  proceeding  for such  purpose is pending
before  or  threatened  or,  to the  Company's  knowledge,  contemplated  by the
authorities of any such jurisdiction.

              (f) The  historical  and pro  forma  financial  statements  of the
Company and its subsidiaries  and, to the knowledge of the Company,  of Marriott
International,  Inc. (the  "Operator"),  together with the related schedules and
notes  thereto,  included  or  incorporated  by  reference  in the  Registration
Statement,  the Final Prospectus and any Preliminary  Final Prospectus comply as
to form in all material  respects with the  requirements  of the Securities Act.
Such historical financial  statements present fairly the consolidated  financial
position,  results of operations,  shareholders' equity and changes in financial
position of the Company and its  subsidiaries at the respective dates or for the
respective  periods  therein  specified.  Such  statements have been prepared in
accordance with generally accepted accounting  principles  consistently  applied
throughout the periods involved. The other financial and statistical information
and  data of the  Company  set  forth in or  incorporated  by  reference  in the
Registration   Statement,   the  Final  Prospectus  and  any  Preliminary  Final
Prospectus are, in all material respects, accurately presented and prepared on a
basis consistent with such financial statements and the books and records of the
Company and its  subsidiaries.  Such pro forma  financial  statements  have been
prepared on a basis consistent with such historical  statements,  except for the
pro forma adjustments  specified therein, and give effect to assumptions made on
a reasonable basis and present fairly the pro forma condensed combined financial
position of the Company at the date  indicated  and the pro forma results of its
operations for the period indicated.


                                       -7-

<PAGE>



              (g) The accountants who have certified the financial statements of
the  Company  and,  to  the  Company's  knowledge,   of  the  Operator  and  its
subsidiaries,  incorporated by reference into the Registration Statement and the
Final  Prospectus  are  independent  certified  accountants  as  required by the
Securities  Act and the  Securities  Act Rules and  Regulations.  The statements
included in or  incorporated  by reference in the  Registration  Statement,  the
final  Prospectus  and any  Preliminary  Final  Prospectus  with respect to such
accountants  pursuant to Rule 509 of Regulation  S-K of the Securities Act Rules
and Regulations are true and correct in all material respects.

              (h) Since the respective dates as of which information is given in
the Final Prospectus,  and except as otherwise disclosed therein,  (i) there has
been  no  material  adverse  change  in  the  business,  operations,   earnings,
prospects,  properties or condition  (financial or otherwise) of the Company and
its  subsidiaries,  taken as a whole, or, to the Actual Knowledge (as defined in
Section 4(k) hereof) of the Company, of the Operator (as defined in Section 4(k)
hereof) or the Advisor (as defined in Section 4(k) hereof),  in any case whether
or not  arising  in the  ordinary  course of  business,  (ii) there have been no
material  transactions  entered into by the Company and its  subsidiaries,  on a
consolidated basis, or, to the Actual Knowledge of the Company,  the Operator or
the Advisor other than  transactions in the ordinary  course of business,  (iii)
neither the Company nor its  subsidiaries  nor, to the Actual  Knowledge  of the
Company,  the Operator or the Advisor has incurred any material  liabilities  or
obligations,  direct or contingent, (iv) the Company and its subsidiaries,  on a
consolidated  basis,  have  not  (A)  declared,  paid  or  made  a  dividend  or
distribution  of any kind on any class of its  capital  stock,  (B)  issued  any
capital  stock  of  the  Company  or any of  its  subsidiaries  or any  options,
warrants,  convertible  securities or other rights to purchase the capital stock
of the Company or any of its subsidiaries or (C) repurchased or redeemed capital
stock, and (v) there has not been (A) any material decrease in the Company's net
worth  or (B) any  material  increase  in the  short-term  or  long-  term  debt
(including  capitalized lease  obligations) of the Company and its subsidiaries,
on a consolidated basis.

              (i) The Company and each of its subsidiaries maintains a system of
internal accounting controls sufficient to provide reasonable assurance that (i)
transactions  are executed in accordance with  management's  general or specific


                                       -8-

<PAGE>

authorizations;   (ii)   transactions   are  recorded  as  necessary  to  permit
preparation  of financial  statements  in  conformity  with  generally  accepted
accounting  principles  and to maintain  asset  accountability;  (iii) access to
assets is permitted  only in accordance  with  management's  general or specific
authorization;  and (iv) the recorded accountability for assets is compared with
the existing assets at reasonable intervals and appropriate action is taken with
respect to any differences.

              (j) Except as otherwise disclosed in the Final Prospectus, neither
the Company nor any of its  subsidiaries  nor,  to the Actual  Knowledge  of the
Company,  any of the Operator or the Advisor is in  violation of its  respective
charter  or  by-laws  or other  organizational  documents  or in  default in the
performance  of any  obligation,  agreement or condition  contained in any bond,
debenture, note or any other evidence of indebtedness or in any other agreement,
indenture or instrument to which the Company or any of its  subsidiaries  or, to
the Actual Knowledge of the Company,  the Operator or the Advisor, is a party or
by which any of their respective  properties or assets may be bound or affected,
except for any such violation  that would not have a material  adverse effect on
the condition,  financial or otherwise, or in the respective earnings,  business
affairs or business  prospects  of any of them.  Neither the Company nor, to the
Actual Knowledge of the Company,  the Operator or the Advisor is in violation of
any law, ordinance,  governmental rule or regulation or court decree to which it
is subject,  except for any such violations  that would not,  individually or in
the aggregate,  have a material  adverse  effect on the condition,  financial or
otherwise, or in the respective earnings, business affairs or business prospects
of any of them.

              (k) Except as disclosed in the Registration Statement or the Final
Prospectus,  there is not now  pending  or,  to the  knowledge  of the  Company,
threatened, any litigation,  action, suit or proceeding to which the Company or,
to the Actual  Knowledge of the Company  without  independent  inquiry  ("Actual
Knowledge"), the Operator or HRPT Advisors, Inc. (the "Advisor") is or will be a
party  before or by any court or  governmental  agency or body,  which (A) might
result in any material adverse change in the condition,  financial or otherwise,
or in the earnings, business affairs or business prospects of the Company or, to

                                       -9-

<PAGE>



                           
the Actual Knowledge of the Company, of the Operator or the Advisor or (B) might
materially and adversely affect the property or assets of the Company or, to the
Actual Knowledge of the Company,  of the Operator or the Advisor, or (C) relates
to  environmental  matters  involving the Company or, to the Actual Knowledge of
the Company, of the Operator or the Advisor, or (D) relates to discrimination on
the basis of age,  sex,  religion  or race,  relating  to the Company or, to the
Actual Knowledge of the Company, of the Operator or the Advisor, or (E) concerns
the Company or, to the Actual  Knowledge of the Company,  of the Operator or the
Advisor,  and is required to be disclosed in the Final Prospectus,  or (F) could
adversely  affect the  consummation  of this  Agreement,  the  Indenture  or the
Debentures.  No contract or other  document is required to be  described  in the
Registration  Statement or the Final  Prospectus or to be filed as an exhibit to
the Registration Statement (except for (i) the Supplemental Indenture, (ii) this
Agreement,  (iii) the Third Supplemental  Indenture to be dated as of October 7,
1996 by and between the Company and the Trustee  pursuant to which the Company's
7.25% Convertible Subordinated Debentures due 2001 (the "7.25% Debentures") will
be issued,  and (iv) the placement agency agreement dated the date hereof by and
between the  Company and  National  Westminster  Bank PLC,  New York Branch (the
"Placement  Agency  Agreement")  pursuant to which the 7.25%  Debentures will be
placed,  copies of which will be filed with the  Commission  on the date hereof)
that is not described therein or filed as required.

              (l) The Company has the requisite  power and authority to execute,
deliver and perform its obligations  under this  Agreement,  the Base Indenture,
the Supplemental  Indenture and the Debentures,  and to issue,  sell and deliver
the Debentures and the Conversion  Shares in accordance  with and upon the terms
and conditions set forth in this Agreement, the Base Indenture, the Supplemental
Indenture and the Debentures,  as the case may be. All necessary  proceedings of
the  Company  have been duly taken to  authorize  the  execution,  delivery  and
performance  by the  Company  of this  Agreement  and the  Base  Indenture,  the
Supplemental Indenture and the issuance, sale and delivery by the Company of the
Debentures and the Conversion Shares.

                                      -10-

<PAGE>




              (m) This Agreement has been duly and validly authorized,  executed
and  delivered by or on behalf of the Company and is a legal,  valid and binding
agreement of the Company,  enforceable in accordance  with its terms (i) subject
to applicable bankruptcy,  insolvency,  reorganization,  fraudulent transfer and
similar laws affecting  creditors'  rights,  generally,  (ii) subject to general
principles  of  equity  (regardless  of  whether  enforcement  is  sought  in  a
proceeding in equity or at law), and (iii) except insofar as the  enforceability
of the indemnity and contribution  provisions contained in this Agreement may be
limited by federal or state  securities  laws and the public  policy  underlying
such laws.

              (n) The Base  Indenture and the  Supplemental  Indenture have been
duly and validly  authorized by the Company and on the Initial Closing Date will
have been duly  executed  and  delivered  by the Company and  (assuming  the due
authorization,  execution and delivery  hereof by the Trustee) each of them will
constitute a valid and legally  binding  instrument of the Company,  enforceable
against the Company in accordance with its terms, subject, as to enforcement, to
bankruptcy,  insolvency,  reorganization,  fraudulent conveyance or similar laws
relating to or  affecting  the rights of  creditors  generally  and by equitable
principles.  The Base Indenture and the  Supplemental  Indenture will conform to
the description  thereof set forth in the  Registration  Statement and the Final
Prospectus.  The Indenture has been duly qualified under the Trust Indenture Act
of 1939, as amended (the "Trust Indenture Act").

              (o) The Debentures have been duly and validly  authorized and when
the  Debentures  have been  authenticated  by the Trustee and issued,  executed,
delivered and sold by the Company in accordance  with the  Indenture,  will have
been duly and validly executed, authenticated, issued and delivered and will (i)
constitute  valid and legally  binding  obligations  of the Company  enforceable
against the Company in accordance  with their terms and entitled to the benefits
of  the  Indenture  to  bankruptcy,   insolvency,   reorganization,   fraudulent
conveyance  or similar  laws  relating to or  affecting  the rights of creditors
generally  and to  equitable  principles,  and  (ii)  be  convertible  into  the
Conversion Shares in accordance with the terms thereof and of the Indenture. The
Conversion  Shares  have been  duly and  validly  authorized  and  reserved  for
issuance upon  conversion of the Debentures  and, when issued and delivered upon


                                      -11-

<PAGE>


such conversion, will be duly and validly issued and outstanding, fully paid and
nonassessable  and will not have been issued in  violation  of or subject to any
preemptive or other similar  rights.  The Debentures and the Conversion  Shares,
when issued,  will conform to the respective  descriptions  thereof set forth in
the Registration Statement and the Final Prospectus.

              (p) The execution, delivery and performance by the Company of this
Agreement,  the Base Indenture,  the Supplemental  Indenture and the Debentures,
the issuance, offering and sale by the Company of the Debentures as contemplated
by the  Registration  Statement  and the Final  Prospectus,  the issuance by the
Company  of  the  Conversion  Shares  upon  exercise  of the  conversion  rights
contained  in the  Indenture  and the  Debentures  and the  consummation  of the
transactions  contemplated  hereby and thereby and compliance with the terms and
provisions hereof and thereof, will not violate or conflict with or constitute a
breach of any of the terms or provisions of, or a default under, (i) the Amended
and  Restated  Declaration  of Trust or Bylaws of the  Company or the charter or
bylaws or other organizational  documents of any subsidiaries of the Company or,
to the Actual  Knowledge of the  Company,  the  respective  charter or bylaws or
other organizational documents of the Operator or the Advisor, or (ii) except as
disclosed in the Final Prospectus, any agreement,  indenture or other instrument
to which the Company or any of its  subsidiaries  or, to the Actual Knowledge of
the  Company,  the Operator or the Advisor is a party or by which the Company or
any of its subsidiaries or, to the Actual Knowledge of the Company, the Operator
or the Advisor or their  respective  property  or assets is bound,  or (iii) any
laws, administrative regulations or rulings or decrees applicable to the Company
or any of its  subsidiaries  or, to the Actual  Knowledge  of the  Company,  the
Operator or the Advisor or their respective properties or assets may be subject.

              (q) No  consent,  approval,  authorization,  order,  registration,
filing,  qualification,  license  or permit of or with any court or any  public,
governmental or regulatory  agency or body having  jurisdiction over the Company
or any of its  subsidiaries or any of their  respective  properties or assets is
required for the  execution,  delivery and  performance of this  Agreement,  the
Indenture  and  the  Debentures  and  the   consummation  of  the   transactions


                                      -12-

<PAGE>
contemplated hereby and thereby,  including,  without limitation,  the issuance,
sale and delivery of the Debentures  pursuant to this Agreement,  except such as
have been  obtained  and such as may be  required  under (i)  foreign  and state
securities  or "Blue  Sky" laws and (ii) the  bylaws  and rules of the  National
Association of Securities Dealers, Inc. (the "NASD").

              (r) Except as otherwise  disclosed in the  Registration  Statement
and the Final  Prospectus,  the Company has good and marketable  title or ground
leases,  free and clear of all liens,  claims,  encumbrances  and  restrictions,
except liens for taxes not yet due and payable and other liens and  encumbrances
which do not,  either  individually  or in the aggregate,  adversely  affect the
current  use or value  thereof,  to all  property  and assets  described  in the
Registration Statement and the Final Prospectus as being owned by it. All leases
to which the Company is a party relating to real property,  and all other leases
which are material to the business of the Company,  are valid and binding and no
default (to the  Company's  knowledge in the case of leases to which the Company
is a party as lessor) has occurred or is continuing thereunder,  and the Company
enjoys peaceful and undisturbed  possession under all such leases to which it is
a party as  lessee.  With  respect  to all  properties  owned or  leased  by the
Company, the Company has such documents,  instruments,  certificates,  opinions,
and assurances,  including without limitation, fee, leasehold owners or mortgage
title  insurance  policies   (disclosing  no  material   encumbrances  or  title
exceptions  except as otherwise set forth in the Registration  Statement and the
Final  Prospectus),  legal opinions and property insurance policies in each case
in form and substance as are usual and customary in  transactions  involving the
purchase  of similar  real  estate and are  appropriate  for the Company to have
obtained.

              (s) The Company and each of the  subsidiaries  owns,  or possesses
adequate  rights to use, all patents,  trademarks,  trade names,  service marks,
copyrights,  licenses  and  other  rights  necessary  for the  conduct  of their
respective  businesses as described in the Registration  Statement and the Final
Prospectus, and neither the Company nor any of its subsidiaries has received any
notice of conflict with, or infringement  of, the asserted rights of others with
respect to any such patents, trademarks, trade names, service marks, copyrights,


                                      -13-

<PAGE>


licenses and other such rights (other than conflicts or  infringements  that, if
proven,  would not have a material  adverse effect on the business,  operations,
earnings,  prospects,  properties  or condition  (financial or otherwise) of the
Company and its subsidiaries, taken as a whole), and neither the Company nor any
of its subsidiaries knows of any basis therefor.

              (t) All material  tax returns  required to be filed by the Company
and each of its subsidiaries in any jurisdiction  have been timely filed,  other
than those  filings  being  contested  in good faith,  and all  material  taxes,
including withholding taxes, penalties and interest, assessments, fees and other
charges due pursuant to such returns or pursuant to any  assessment  received by
the  Company or any of its  subsidiaries  have been paid other than those  being
contested in good faith and for which adequate reserves have been provided.

              (u) Except for non-compliance which in the aggregate does not have
a material  adverse  effect on the  condition,  financial or  otherwise,  or the
earnings,  business affairs or business prospects of the Company, and except for
Hazardous  Materials (as defined  below) or substances  which are handled and/or
disposed  of  in  compliance  with  all  applicable  federal,  state  and  local
requirements,  to the Company's  knowledge,  after due  investigation,  the real
property owned,  leased or otherwise  utilized by the Company in connection with
the operation of its business,  including,  without  limitation,  any subsurface
soils  and  ground  water  (the  "Realty"),  is free of  contamination  from any
Hazardous Materials.  To the Company's knowledge,  after due investigation,  the
Realty does not contain any underground  storage or treatment  tanks,  active or
abandoned  water,  gas or oil wells,  or any other  underground  improvements or
structures,  other than the  foundations,  footings,  or other  supports for the
improvements located thereon which based on present knowledge could presently or
at any time in the future cause a material detriment to or materially impair the
beneficial  use  thereof by the  Company or  constitute  or cause a  significant
health,  safety or other  environmental  hazard to  occupants  or users  thereof
without regard to any special conditions of such occupants or users. The Company
represents  that, after due  investigation,  it has no knowledge of any material
violation, with respect to the Realty, of any Environmental Law, or of any
                           

                                      -14-

<PAGE>



material  liability  on the part of the  Company,  with  respect to the  Realty,
resulting  from  the  presence,  use,  release,  threatened  release,  emission,
disposal,  pumping,  discharge,   generation  or  processing  of  any  Hazardous
Materials. As used herein, "Environmental Law" means any federal, state or local
statute,  regulation,  judgment,  order or authorization  relating to emissions,
discharges,  releases or threatened releases of Hazardous Materials into ambient
air, surface water, ground water, publicly owned treatment works, septic systems
or land,  or otherwise  relating to the pollution or protection of health or the
environment. As used herein, "Hazardous Materials" means any substance, material
or waste  which is  regulated  by any  federal,  state  or local  government  or
quasi-government  authority, and includes, without limitation (a) any substance,
material or waste  defined,  used or listed as a "hazardous  waste",  "hazardous
substance",  toxic  substance",  "medical  waste",  "infectious  waste" or other
similar terms as defined or used in any Environmental Law, as such Environmental
Law may from time to time be amended; and (b) any petroleum products,  asbestos,
lead-based paint, polychlorinated biphenyls, flammable explosives or radioactive
materials.

              (v) Each of the  Company,  its  subsidiaries  and,  to the  Actual
Knowledge  of the  Company,  the  Operator  and the  Advisor  has such  permits,
licenses,   franchises  and   authorizations   of   governmental  or  regulatory
authorities  ("permits"),  including,  without limitation,  under any applicable
Environmental  Laws, as are necessary to own,  lease and operate its  properties
and to engage in the business  currently  conducted by it,  except such licenses
and permits as to which the failure to own or possess will not in the  aggregate
have a material adverse effect on the condition,  financial or otherwise, or the
earnings,  business  affairs or business  prospects of the  Company,  or, to the
Actual  Knowledge  of the  Company,  the Operator or the Advisor and neither the
Company nor, to the Actual Knowledge of the Company, the Operator or the Advisor
has any reason to believe that any  governmental  body or agency is  considering
limiting,  suspending  or  revoking  any  such  license,  certificate,   permit,
authorization,   approval,   franchise  or  right;  each  of  the  Company,  its
subsidiaries  and, to the Actual Knowledge of the Company,  the Operator and the
Advisor has fulfilled and performed all of its obligations  with respect to such
permits and no event has occurred which allows, or after notice or lapse of

                                      -15-

<PAGE>


time would  allow,  revocation  or  termination  thereof or results in any other
material  impairment of the rights of the holder of any such permit; and, except
as  described  in the  Registration  Statement  and the Final  Prospectus,  such
permits contain no restrictions  that are materially  burdensome to the Company,
any of its subsidiaries or, to the Actual Knowledge of the Company, the Operator
or the Advisor.

              (w) To the best knowledge of the Company,  no labor problem exists
or is imminent  with  employees of the Company or any of its  subsidiaries  that
could have a material  adverse  effect on the  business,  operations,  earnings,
prospects,  properties or condition  (financial or otherwise) of the Company and
its subsidiaries, taken as a whole.

              (x) Neither the  Company nor any of its  subsidiaries  nor, to the
best of the Company's  knowledge,  any officer of director  purporting to act on
behalf of the Company or any of its  subsidiaries  has at any time: (i) made any
contributions to any candidate for political office, or failed to disclose fully
any such contributions,  in violation of law, (ii) made any payment of funds to,
or  received  or  retained  any  funds  from,  any  state,  federal  or  foreign
governmental officer or official, or other person charged with similar public or
quasi-public  duties, other than payments required or allowed by applicable law,
or (iii) engaged in any  transactions,  maintained  any bank account or used any
corporate funds except for transactions, bank accounts and funds which have been
and are  reflected in the normally  maintained  books and records of the Company
and its subsidiaries.

              (y) The authorized,  issued and  outstanding  capital stock of the
Company,  and the capital stock  reserved or committed  for issuance,  is as set
forth under the captions  "Capitalization" and "Description of Capital Stock" in
the  Registration  Statement  and the Final  Prospectus.  All of the  issued and
outstanding  indebtedness  of the Company and Common Shares are duly and validly
authorized and issued,  and all of the issued and outstanding Common Shares are,
and the Conversion Shares when acquired on the terms and conditions specified in
the  Debentures  and the Indenture  will be, fully paid and  nonassessable.  The
Company has a sufficient  number of  authorized  but unissued  Common  Shares to
enable the Company to issue, without further stockholder action, all the
                           

                                      -16-

<PAGE>



Conversion  Shares.  There are no preemptive rights or other rights to subscribe
for or to  purchase,  or any  restriction  upon the voting or  transfer  of, any
Common Shares pursuant to the Company's declaration of trust, bylaws or any oral
or written  agreement  or other  instrument  to which the  Company or any of its
subsidiaries  is a  party  or  by  which  either  the  Company  or  any  of  its
subsidiaries  is bound that is not described in the  Registration  Statement and
the Final  Prospectus.  Neither  the  offering  and sale of the  Debentures,  as
contemplated by this  Agreement,  nor the issuance or delivery of the Conversion
Shares,  as contemplated by the Indenture and the Debentures,  gives rise to any
rights,  other than those which have been,  or which will,  prior to the Initial
Closing  Date,  be,  waived in  writing or  satisfied,  for or  relating  to the
registration  or offering of any shares of capital stock or other  securities of
the Company.  The Common Shares of the Company conform and, upon the issuance of
the Conversion  Shares in connection with the conversion of the Debentures,  the
Conversion  Shares will  conform,  in all  material  respects to the  statements
relating thereto in the Registration Statement and the Final Prospectus.

              (z) All of the  outstanding  shares of capital  stock of, or other
ownership  interests  in,  each of the  Company's  subsidiaries  have  been duly
authorized and validly issued and are fully paid and non-assessable, and, except
as disclosed in the Registration  Statement and the Final Prospectus,  are owned
by the Company free and clear of any security interest, claim, lien, encumbrance
or adverse interest of any nature.

              (aa) None of the  subsidiaries  of the Company  owns any shares of
stock or any other  securities of any  corporation or has any equity interest in
any firm,  partnership,  association  or other  entity  except as referred to or
described in the Registration Statement and the Final Prospectus and the Company
does not  own,  directly  or  indirectly,  any  shares  of  stock  or any  other
securities  of any  corporation  or  have  any  equity  interest  in  any  firm,
partnership,  association or other entity other than the issued capital stock of
its subsidiaries,  except in each case for non-controlling positions acquired in
the ordinary course of business.

              (ab) Except as disclosed  in the  Registration  Statement  and the
Prospectus,  there are no  material  outstanding  loans or  advances or material
guarantees of indebtedness  by the Company or any of its  subsidiaries to or for

                           

                                      -17-

<PAGE>


the  benefit of any of the  officers or  directors  of the Company or any of its
subsidiaries or any of the members of the families of any of them.

              (ac) The Company and each of its subsidiaries maintains insurance,
duly in force,  with  insurers  of  recognized  financial  responsibility;  such
insurance  insures  against such losses and risks as are adequate in  accordance
with customary industry practice to protect the Company and its subsidiaries and
their respective businesses; and neither the Company nor any such subsidiary has
any reason to believe that it will not be able to renew its  existing  insurance
coverage as and when such coverage  expires or to obtain  similar  coverage from
similar  insurers as may be  necessary  to continue  its business at a cost that
would not materially and adversely  affect the business,  operations,  earnings,
prospects,  properties or condition  (financial or otherwise) of the Company and
its  subsidiaries,  taken as a whole,  except as disclosed in or contemplated by
the Registration Statement and the Final Prospectus.

              (ad) Neither the Company nor any of its officers and directors (as
defined in the  Securities  Act Rules and  Regulations)  has taken or will take,
directly or indirectly, prior to the termination of the Offering contemplated by
this Agreement and the  Registration  Statement and Final  Prospectus any action
designed to stabilize or manipulate the price of any security of the Company, or
which has caused or  resulted  in, or which  might in the future  reasonably  be
expected to cause or result in,  stabilization  or  manipulation of the price of
any security of the Company,  to facilitate the sale or resale of the Debentures
or the Conversion Shares.

              (ae) In connection with the Offering,  the Company has not offered
and will not  offer  Debentures,  its  Common  Shares  or any  other  securities
convertible into or exchangeable or exercisable for Common Shares in a manner in
violation of the Securities  Act. The Company has not  distributed  and will not
distribute any offering  material in connection with the Offering other than the
Registration   Statement,   the  Final  Prospectus  and  any  Preliminary  Final
Prospectus.  No securities of the same class as the Debentures  have been issued
and sold by the Company  within the six-month  period  immediately  prior to the
date hereof.


                                      -18-

<PAGE>



              (af)  Neither  the  Company  nor  any  of its  subsidiaries  is an
"investment  company" or an "affiliated  person" of, or "promoter" or "principal
underwriter"  for an  "investment  company"  as such  terms are  defined  in the
Investment Company Act of 1940, as amended,  or an "investment  advisor" as such
term is defined in the Investment Advisors Act of 1940, as amended.

              (ag) Any  certificate  signed by an  officer  of the  Company  and
delivered to the  Underwriters  or to counsel for the  Underwriters  pursuant to
this Agreement shall be deemed a  representation  and warranty by the Company to
each Underwriter as to the matters covered thereby.

              (ah) The  Company  has dealt  with no broker,  finder,  commission
agent or other  person in  connection  with the sale of the  Debentures  and the
transactions  contemplated by this Agreement, the Registration Statement and the
Final  Prospectus,  other  than the  Underwriters,  and the  Company is under no
obligation  to pay any  broker's  fee or  commission  in  connection  with  such
transactions, other than the commission to the Underwriters contemplated hereby.

              (ai)  Neither the Company nor any  affiliate  of the Company  does
business with the government of Cuba or with any person or affiliate  located in
Cuba and the Company and each  affiliate  thereof  has  complied,  to the extent
necessary,  with all  provisions  of  Section  517.075,  Florida  Statutes,  and
applicable rules and regulations thereunder.

              (aj) There are no  outstanding  subscriptions,  rights,  warrants,
options, calls, convertible securities,  commitments of sale or liens related to
or  entitling  any person to purchase or  otherwise to acquire any shares of the
capital stock of, or other ownership  interest in, the Company or any subsidiary
thereof  except as otherwise  disclosed in the  Registration  Statement  and the
Final Prospectus.

              (ak) The Company is organized in conformity with the  requirements
for  qualification,  and, as of the date hereof the Company operates,  and as of
the Initial  Closing Date and any Option  Closing Date the Company will operate,
in a manner that qualifies the Company,  as a "real estate  investment trust" (a
"REIT") under the Internal  Revenue Code of 1986,  as amended (the "Code"),  and
the rules and regulations thereunder, for 1996 and subsequent years. The Company
qualified as a real estate  investment  trust for its 1987,  1988,  1989,  1990,
1991, 1992, 1993, 1994 and 1995 taxable years.

                           

                                      -19-

<PAGE>

                           
              (al) No default  exists,  and no event has  occurred  which,  with
notice  or  lapse  of  time or  both,  would  constitute  a  default  in the due
performance and observance of any term,  covenant or condition of any indenture,
mortgage,  deed of trust,  lease or other  agreement or  instrument to which the
Company or any of its  subsidiaries is a party or by which the Company or any of
its  subsidiaries  or any of  their  respective  properties  is  bound or may be
affected in any material  adverse  respect with regard to property,  business or
operations of the Company and its subsidiaries, considered as a whole, except as
disclosed in the Registration Statement and the Final Prospectus.

              (am) The Debentures  and the Conversion  Shares have been approved
for listing on the New York Stock Exchange,  subject only to notice of issuance,
and the Company  knows of no reason or set of facts which is likely to adversely
affect such approval.

              (an) The Advisory  Agreement (as defined in the Final  Prospectus)
has been duly  authorized,  executed and  delivered  by the parties  thereto and
constitutes  the  valid  agreement  of  the  parties  thereto,   enforceable  in
accordance  with its terms,  except as limited by (a) the effect of  bankruptcy,
insolvency,  reorganization,  moratorium  or other  similar laws  relating to or
affecting  the  rights or  remedies  of  creditors  or (b) the effect of general
principles  of equity,  whether  enforcement  is  considered  in a proceeding in
equity or at law, and the  discretion  of the court before which any  proceeding
therefore may be brought.

         5.  Agreements  of the Company.  The Company  covenants and agrees with
each of the Underwriters as follows:

              (a) Prior to the  termination  of the offering of the  Debentures,
the  Company  will not file  any  amendment  of the  Registration  Statement  or
supplement  (including the Final  Prospectus) to the Basic Prospectus unless the
Company has  furnished  you a copy for your review  prior to filing and will not
file any such proposed  amendment or supplement to which you reasonably  object.
Subject to the foregoing  sentence,  the Company will cause the Final Prospectus


                                      -20-

<PAGE>


to be transmitted to the Commission for filing pursuant to Rule 424 by EDGAR and
will cause the Final Prospectus to be filed with the Commission pursuant to said
Rule.  The Company will advise the  Representatives  promptly (i) when the Final
Prospectus  shall have been filed  pursuant to Rule 424, (ii) when any amendment
to the  Registration  Statement  relating  to the  Debentures  shall have become
effective,  (iii) of any  request by the  Commission  for any  amendment  of the
Registration  Statement or amendment of or supplement to the Final Prospectus or
for any  additional  information,  (iv) of the issuance by the Commission of any
stop order suspending the  effectiveness  of the  Registration  Statement or the
institution  or  threatening  of any  proceeding for that purpose and (v) of the
receipt by the Company of any notification with respect to the suspension of the
qualification  of the Debentures for sale in any  jurisdiction or the initiation
or threatening  of any proceeding for such purpose.  The Company will make every
reasonable effort to prevent the issuance of any such stop order and, if issued,
to obtain as soon as possible the withdrawal thereof.

              (b) If, at any time when a prospectus  relating to the  Debentures
is required to be delivered under the Securities Act or the Securities Act Rules
and Regulations in connection with sales by an Underwriter or dealer,  any event
occurs as a result of which the Final Prospectus as then amended or supplemented
would  include  any untrue  statement  of a  material  fact or omit to state any
material  fact  necessary  to  make  the  statements  therein  in  light  of the
circumstances  under  which  they  were made not  misleading,  or if it shall be
necessary  to amend or  supplement  the  Final  Prospectus  to  comply  with the
Securities  Act, the Securities Act Rules and  Regulations,  the Exchange Act or
the Exchange Act Rules and  Regulations,  the Company  promptly will prepare and
file with the Commission,  subject to the first sentence of subparagraph  (a) of
this Section 5, an amendment or supplement  which will correct such statement or
omission or an amendment which will effect such compliance.

              (c) The Company  will make  generally  available  to its  security
holders and to the Representatives as soon as practicable after the close of the
period  covered  thereby,  an earnings  statement  (in form  complying  with the
provisions of Rule 158 of the Securities Act Rules and  Regulations)  covering a


                                      -21-

<PAGE>


twelve  month  period  beginning  not later than the first day of the  Company's
fiscal quarter next following the "effective date" (as defined in said Rule 158)
of the Registration Statement.

              (d) The Company  will furnish to the  Representatives  and counsel
for the  Underwriters,  without  charge,  copies of the  Registration  Statement
(including  exhibits  thereto)  and each  amendment  thereto  which shall become
effective on or prior to the Initial Closing Date or any Option Closing Date, as
the case may be, and, so long as delivery of a prospectus by an  Underwriter  or
dealer may be required by the  Securities  Act or the  Securities  Act Rules and
Regulations,  as many copies of any Preliminary  Final  Prospectus and the Final
Prospectus  and  any  amendments   thereof  and   supplements   thereto  as  the
Representatives may reasonably request.

              (e) The Company will use its reasonable efforts to arrange for the
qualification  of the Debentures  and the  Conversion  Shares for offer and sale
under  the laws of such  jurisdictions  as the  Representatives  may  reasonably
designate and will maintain  such  qualifications  in effect so long as required
for the  distribution of the  Debentures;  provided,  however,  that the Company
shall not be required to qualify to do business in any jurisdiction  where it is
not now so qualified or to take any action which would  subject it to general or
unlimited service of process of any jurisdiction where it is not now so subject.

              (f) The Company will apply the net  proceeds  from the sale of the
Debentures,  the  International  Debentures  (as  defined  below)  and the 7.25%
Debentures as set forth under "Use of Proceeds" in the Final Prospectus.

              (g) The Company will not at any time, directly or indirectly, take
any action intended,  or which might reasonably be expected, to cause or result,
in,  or  which  will   constitute,   under  the  Securities  Act  or  otherwise,
stabilization of the price of any security of the Company to facilitate the sale
or resale of the Debentures.

              (h) During the period  commencing on the Initial  Closing Date and
ending three years from the last Closing  Date,  the Company will furnish to the
Representatives  copies of such  financial  statements  and other  periodic  and
special reports as the Company may from time to time distribute generally to the
holders of any class of its capital stock or file with the  Commission,  the New
York Stock  Exchange  ("NYSE") or any  national  securities  exchange,  and will
furnish to each  Underwriter  who may so request a copy of each  annual or other
report it shall be required to file therewith.


                                     -22-

<PAGE>

              (i) The Company will timely file any document which it is required
to file pursuant to the Exchange Act prior to the termination of the Offering.

              (j) The Company  currently intends to continue to elect to qualify
as a "real estate  investment  trust" under the Code and use its best efforts to
continue to meet the requirement to qualify as a REIT.
  
         6.  Representations  and Warranties of NatWest.  NatWest represents and
warrants to the Company and agrees that:

              (a) It has (i) not  offered  or sold  and will  not,  prior to the
expiry of the period six months from the last Closing Date, offer or sell in the
United Kingdom,  by means of any document,  any Debentures other than to persons
whose  ordinary  business it is to buy or sell shares or debentures  (whether as
principal or agent) or in circumstances  which do not constitute an offer to the
public within the meaning of the Public Offers of Securities  Regulations  1995;
(ii)  complied and will comply with all  applicable  provisions of the Financial
Services  Act 1986 with  respect to  anything  done by them in  relation  to the
Debentures in, from or otherwise involving the United Kingdom;  and (iii) issued
or passed on and will issue or pass on to any person in the United  Kingdom  any
document received by them in connection with the issuance of the Debentures only
if that person is of a kind described in Article 11(3) of the Financial Services
Act 1986 (Investment Advertisements)  (Exemptions) Order 1996, as amended, or is
a person to whom the document may otherwise lawfully be issued or passed on.

         7. Expenses.

              (a) Whether or not the transactions contemplated by this Agreement
are  consummated  or this  Agreement  is  terminated,  the Company  will pay, or
reimburse if paid by the Representatives with the Company's prior approval,  all
costs and expenses incident to the performance of the obligations of the Company
under this  Agreement,  including  but not  limited to costs and  expenses of or
relating to (i) the preparation and distribution of the Registration  Statement,
Preliminary  Final  Prospectus,  the  Final  Prospectus  and any  amendments  or
supplements  thereto,  (ii)  the  preparation,  printing,  issue,  exchange  and
delivery of the Registration  Statement,  the Preliminary Final Prospectus,  the
Final Prospectus,  the Debentures and the Conversion Shares,  (iii) the printing
(or reproduction) and delivery of the Indenture, this Agreement, the preliminary
and  supplemental  Blue Sky  Memoranda  and all other  agreements  or  documents


                                      -23-

<PAGE>

printed (or  reproduced)  and  delivered in connection  with the Offering,  (iv)
furnishing  (including  costs  of  shipping  and  mailing)  such  copies  of the
Preliminary  Final  Prospectus,  the Final  Prospectus,  and all  amendments and
supplements  thereto,  as may be  required  thereunder,  (v) the  listing of the
Debentures on the NYSE and the listing of the  Conversion  Shares  issuable upon
conversion of the Debentures on the NYSE,  (vi) any filings  required to be made
by the Underwriters with the NASD in connection with the Offering, and (vii) all
other costs and expenses  incident to the  performance of the obligations of the
Company  hereunder and under the Indenture which are not otherwise  provided for
in this paragraph.

              (b) If (i) the sale of the Debentures is not  consummated  because
any  condition to the  obligations  of the  Underwriters  set forth in Section 8
hereof is not satisfied, (ii) this Agreement shall be terminated pursuant to any
of the  provisions  hereof  (other  then by the  Company  pursuant to Section 10
hereof or pursuant to Section 12 (iii), (iv) or (v) hereof) or if for any reason
the Company shall be unable to perform its obligations  hereunder (other than as
a  result  of any  Underwriter's  failure  to  perform  any  of its  obligations
hereunder),  the  Company  will  reimburse  the  several  Underwriters  for  all
out-of-pocket expenses (including,  the fees, disbursements and other charges of
counsel to the Underwriters) reasonably incurred by them in connection herewith.
The  Company  shall  not  under any  circumstances,  including  a breach of this
Agreement  by the  Company,  be  liable  to the  Underwriters  for  the  loss of
anticipated profits from the transactions covered by this Agreement.

         8.  Conditions to Obligations of  Underwriters.  The obligations of the
Underwriters to purchase the Firm Debentures shall be subject to the accuracy of
the  representations  and warranties on the part of the Company contained herein
as of the date hereof,  as of the date of the  effectiveness of any amendment to
the  Registration  Statement  filed prior to the Initial Closing Date (including
the filing of any  document  incorporated  by  reference  therein) and as of the
Initial  Closing Date, to the accuracy of the  statements of the Company made in
any certificates  pursuant to the provisions  hereof,  to the performance by the
Company of its obligations hereunder and to the following additional conditions:

              (a) No stop order suspending the effectiveness of the Registration
Statement,  as  amended  from  time to  time,  shall  have  been  issued  and no
proceedings  for that purpose  shall have been  instituted  or threatened by the


                                      -24-

<PAGE>

                                            
Commission;  no order suspending the effectiveness of the Registration Statement
or the  qualification  or exemption from  qualification of the Debentures or the
Conversion  Shares under the  securities or "Blue Sky" laws of any  jurisdiction
shall be in effect and no proceeding for such purpose shall be pending before or
threatened or  contemplated  by the  authorities of any such  jurisdiction;  any
request for additional information on the part of the staff of the Commission or
such authorities  shall have been complied with to the satisfaction of the staff
of the  Commission  or such  authorities;  after the date hereof no amendment or
supplement to the Registration  Statement,  any Preliminary  Final Prospectus or
the Final  Prospectus  shall have been prepared  unless a copy thereof was first
submitted to the Representatives and the Representatives shall not have objected
thereto in good faith.

              (b) Since the respective dates as of which information is given in
the Registration Statement and the Final Prospectus,  except as may otherwise be
stated therein (or in any amendment or supplement thereto),  (i) there shall not
have been any material  adverse  change in the business,  operations,  earnings,
prospects,  properties or condition  (financial or otherwise) of the Company and
its subsidiaries,  taken as a whole, whether or not arising from transactions in
the  ordinary  course of  business,  and (ii) neither the Company nor any of its
subsidiaries  shall have  sustained any material loss or  interference  with its
business or properties from fire, explosion, flood or other casualty, whether or
not covered by insurance,  or from any labor dispute or any court or legislative
or  other  governmental  action,  order or  decree,  if in the  judgment  of the
Representatives  any such  development  makes it impracticable or inadvisable to
consummate the sale and delivery of the Debentures by the Underwriters.

              (c) (i) The Company shall have furnished to the  Underwriters  the
opinion of Sullivan & Worcester LLP, counsel for the Company,  dated the Initial
Closing Date,  which opinion shall be in such form as shall be  satisfactory  to
the  Representatives;   and  (ii)  the  Company  shall  have  furnished  to  the
Underwriters the opinion of Sherin & Lodgen,  counsel for the Company, dated the
Initial  Closing  Date,  which  opinion  shall  be in  such  form  as  shall  be
satisfactory  to the  Representatives.  With  respect  to  matters  governed  by
Maryland law,  Sullivan & Worcester LLP may rely on an opinion,  dated as of the
Initial Closing Date, of Piper & Marbury, LLP.

                                      -25-

<PAGE>
                                           

              (d) The  Underwriters  shall have received the opinion,  dated the
related   Closing  Date,  of  Stroock  &  Stroock  &  Lavan,   counsel  for  the
Underwriters,   in  form   and   substance   reasonably   satisfactory   to  the
Representatives.  With respect to matters governed by Maryland law, such counsel
may rely upon an  opinion,  dated as of the  Initial  Closing  Date,  of Piper &
Marbury, LLP.

              (e) On the date hereof,  the Underwriters shall have received from
the Accountants a "comfort"  letter,  dated the date of this Agreement,  in form
and substance reasonably  satisfactory to the Representatives and counsel to the
Underwriters  with respect to the  financial  statements  and certain  financial
information of the Company and its  subsidiaries  contained in the  Registration
Statement and the Final Prospectus (including the Incorporated  Documents),  (i)
confirming that they are independent accountants with respect to the Company and
its subsidiaries within the meaning of the Securities Act and the Securities Act
Rules and  Regulations,  and (ii) stating  their  conclusions  and findings with
respect  to  specified  financial  and  statistical  and  numerical  information
contained in the Registration Statement and the Final Prospectus. At the Initial
Closing Date and, as to the Option  Debentures,  each Option  Closing Date,  the
Accountants shall have furnished to the Underwriters a letter, dated the date of
its  delivery,  which shall  reaffirm  such  conclusions  and findings as of the
related  Closing Date on the basis of a review  conducted in accordance with the
procedures set forth therein.

              (f) At the Initial  Closing  Date and on each Option  Closing Date
the  Underwriters  shall  receive a  certificate,  dated  the date of  delivery,
executed on its behalf by the Company's  President and Chief Financial  Officer,
in form and substance  satisfactory  to the  Representatives,  to the effect set
forth in Section 8(b) hereof and to the effect that:

              (g) Each of the  representations  and  warranties  of the  Company
contained in this Agreement  were,  when  originally  made, and are, at the time
such certificate is delivered, true and correct;


                                      -26-

<PAGE>



              (h) Each of the covenants  required  herein to be performed by the
Company on or prior to the date of such  certificate  has been duly,  timely and
fully  performed and each condition  herein  required to be complied with by the
Company on or prior to the delivery of such  certificate  has been duly,  timely
and fully complied with; and

              (i) No stop order has been issued, no proceedings for that purpose
have been instituted or threatened, and no order suspending the effectiveness of
the Registration  Statement or the qualification or exemption from qualification
of the  Debentures or the  Conversion  Shares under the securities or "Blue Sky"
laws of any  jurisdiction  shall be in effect and no proceeding for such purpose
shall  be  pending  before  or  threatened  by  the   authorities  of  any  such
jurisdiction.

              (j) The Debentures and Conversion  Shares shall have been accepted
for listing on the NYSE, subject only to notice of issuance.

              (k) The  Company  and the  Trustee,  shall have  entered  into the
Indenture and the Representatives  shall have received a fully executed original
copy thereof.

              (l) The Firm Debentures and the Option Debentures, as the case may
be, shall have been made  available for inspection and shall have been delivered
to the  Representatives  or for the  accounts of the  Underwriters  as set forth
herein.

              (m) The Underwriters  and counsel for the Underwriters  shall have
received such further  certificates,  documents or other information as they may
have reasonably requested from the Company.

              (n) The  offering  and sale by the  Company  of the  International
Debentures  contemplated  by that  certain  subscription  agreement of even date
herewith by and between the Company and the several managers named therein,  for
whom NatWest and Merrill Lynch International are acting as lead managers,  shall
close concurrently with the closing contemplated hereunder.

         All opinions, certificates, letters and documents delivered pursuant to
this  Agreement  will  comply  with  the  provisions  hereof  only if  they  are
reasonably  satisfactory  in all material  respects to the  Representatives  and
counsel to the Underwriters.  The Company shall furnish to the Underwriters such
conformed copies of such opinions,  certificates,  letters and documents in such
quantities as the Underwriters and counsel for the Underwriters shall reasonably
request.


                                      -27-

<PAGE>



         The several  obligations  of the  Underwriters  to purchase  the Option
Debentures  hereunder  are subject to the  satisfaction  on and as of any Option
Closing Date of the  conditions set forth in this Section 8, except that, if any
Option Closing Date is other than the Closing Date, the  certificates,  opinions
and  letters  referred  to herein  shall be dated  the  Option  Closing  Date in
question and the opinions  called for by paragraphs (c) and (d) shall be revised
to reflect the sale of the Option Debentures.

         9. Indemnification and Contribution.

              (a) The Company will indemnify and hold harmless each Underwriter,
the  directors,  officers,  employees  and agents of each  Underwriter  and each
person,  if any, who controls each Underwriter  within the meaning of Section 15
of the  Securities  Act or Section 20 of the Exchange  Act, from the against any
and all losses, claims, liabilities, expenses and damages (including any and all
investigative,  legal and other expenses reasonably incurred in connection with,
and any amount paid in  settlement  of, any action,  suit or  proceeding  or any
claim  asserted),  joint or several,  to which they, or any of them,  may become
subject insofar as such losses, claims,  liabilities,  expenses or damages arise
out of or are based on (i) any breach of a  representation  or warranty  made by
the Company in Section 4 of this Agreement, (ii) any untrue statement or alleged
untrue  statement  of  a  material  fact  contained  in  any  Preliminary  Final
Prospectus or in the  Registration  Statement or the Final  Prospectus or in any
amendment or supplement  thereto,  or in any application or other document,  any
amendment or supplement  thereto,  executed by the Company or based upon written
information  furnished by or on behalf of the Company filed in any  jurisdiction
in order to qualify the Debentures or Conversion  Shares under the securities or
"Blue Sky" laws  thereof  (each,  an  "Application"),  or (iii) any  omission or
alleged   omission  to  state  in  any  Preliminary   Final  Prospectus  or  the
Registration  Statement or the Final  Prospectus  or any amendment or supplement
thereto,  or any  Application a material  fact required to be stated  therein or
necessary  in order to make the  statements  therein  not  misleading  and shall
reimburse to each Underwriter and each such controlling person, as incurred, any
legal and other expenses  incurred in investigating or defending or preparing to
defend against or appearing as a third party witness in connection with any such
loss,  claim,  damage,  liability  or action;  provided,  however,  that (i) the
Company  shall not be liable to any  Underwriter  in any such case to the extent
that any such loss,  claim,  liability,  expense or damage  arises out of, or is
based upon,  any untrue  statement  or alleged  untrue  statement or omission or
alleged  omission  made  in  the  Preliminary  Final  Prospectus  or  the  Final
Prospectus,  including any amendment or supplement thereto, in reliance upon and
in conformity with information  furnished to the Company by or on behalf of such
Underwriter  specifically  for inclusion  therein,  and (ii) such indemnity with
respect to the Basic  Prospectus or any Preliminary  Final  Prospectus shall not
inure  to the  benefit  of any  Underwriter  (or  any  person  controlling  such
Underwriter)  from whom the person  asserting any such loss,  claim,  liability,
expense or damage purchased the Debentures which are the subject thereof if such
person did not receive a copy of the Final  Prospectus (or the Final  Prospectus
as  amended  or  supplemented)   excluding  documents  incorporated  therein  by
reference at or prior to the confirmation of the sale of such Debentures to such
person in any case where such delivery is required by the Securities Act and the
untrue  statement  or  omission  of a  material  fact  contained  in  the  Basic
Prospectus  or any  Preliminary  Final  Prospectus  was  corrected  in the Final
Prospectus (or the Final Prospectus as amended or supplemented), unless such

                                      -28-

<PAGE>


failure was the result of noncompliance by the Company with Section 5(d) hereof.
This  indemnity  agreement will be in addition to any liability that the Company
might otherwise have.

              (b)  Each  Underwriter,  severally  and  not  jointly,  agrees  to
indemnify  and hold  harmless the  Company,  each of its  trustees,  each of its
officers and each person, if any, who controls the Company within the meaning of
Section 15 of the  Securities  Act or Section 20 of the Exchange Act against any
losses, claims, damages or liabilities,  joint or several, to the same extent as
the foregoing  indemnity from the Company to each Underwriter,  but only insofar
as such losses, claims, liabilities, expenses or damages are based solely on any
untrue  statement or alleged  untrue  statement or omission or alleged  omission
made in the Preliminary Final Prospectus or the Final Prospectus,  including any
amendment or supplement  thereto,  made in reliance upon and in conformity  with
information furnished to the Company by or on behalf of such Underwriter through
the Representatives  specifically for inclusion therein. This indemnity shall be
in addition to any liability  which such  Underwriter  may otherwise  have.  The
Company  acknowledges that for all purposes of this Agreement the statements set
forth (i) in the last  paragraph  of the cover page,  (ii) in the  stabilization
legend on the inside front cover page, and (iii) in the first,  third, sixth and
seventh  paragraphs under the heading  "Underwriting"  in any Preliminary  Final
Prospectus or the Final Prospectus  constitute the only information furnished in
writing  by or on  behalf  of the  several  Underwriters  for  inclusion  in the
documents referred to in the foregoing  indemnity,  and the Underwriters confirm
that such statements are correct.

              (c) Any party that proposes to assert the right to be  indemnified
under this Section 9 will,  promptly after receipt of notice of  commencement of
any action  against such party in respect of which a claim is to be made against
an  indemnifying  party or  parties  under  this  Section  9,  notify  each such
indemnifying  party of the commencement of such action,  enclosing a copy of all
papers served,  but the omission so to notify such  indemnifying  party will not
relieve it from any liability  that it may have to any  indemnified  party under
the foregoing  provisions of this Section 9 unless, and only to the extent that,
such omission results in the forfeiture of substantive rights or defenses by the
indemnifying  party. If any such action is brought against any indemnified party
and it notifies the  indemnifying  party of its  commencement,  the indemnifying
party will be entitled to participate in and, to the extent that it so elects by
delivering  written notice to the  indemnified  party  promptly after  receiving
notice of the  commencement  of the action from the indemnified  party,  jointly
with any other indemnifying party similarly  notified,  to assume the defense of
any such action,  with counsel  satisfactory  to the  indemnified  party.  After
receipt of such notice by the indemnified  party from an indemnifying  party, no
indemnifying  party  will be  liable to the  indemnified  party for any legal or
other expenses  except as provided below and except for the reasonable  costs of
investigation  subsequently incurred by the indemnified party in connection with
the defense of such action.

         The indemnified  party will have the right to employ its own counsel in
any such action,  but the fees,  expenses and other charges of such counsel will
be at the expense of such  indemnified  party unless (i) the  employment of such
counsel  by  the  indemnified  party  has  been  authorized  in  writing  by the
indemnifying  party, (ii) the indemnified party has reasonably  concluded (based
on advice of counsel) that there may be legal defenses  available to it or other
indemnified parties that are different from or in addition to those available to


                                      -29-

<PAGE>


the indemnifying  party, (iii) a conflict or potential conflict exists (based on
advice of counsel to the indemnified  party) between the  indemnified  party and
the indemnifying  party (in which case the indemnifying  party will not have the
right to direct the defense of such action on behalf of the indemnified  party),
or (iv) the  indemnifying  party has not in fact employed  counsel to assume the
defense of such action within a reasonable  time after  receiving  notice of the
commencement of the action. In any such case, the reasonable fees, disbursements
and other charges of counsel will be at the expense of the indemnifying party or
parties.

         It is  understood  that in no event shall the  indemnifying  parties be
liable for the fees,  disbursements  and other  charges of more than one counsel
(in addition to any local  counsel) for all  indemnified  parties in  connection
with any one action or  separate  but  similar  or  related  actions in the same
jurisdiction  arising out of the same general allegations or circumstances.  All
such  fees,   disbursements   and  other  charges  will  be  reimbursed  by  the
indemnifying   party   promptly  as  they  are  incurred  and  upon  receipt  of
substantiation of such charges as the indemnifying party may reasonably request.

         The  Company  will not,  without  the  prior  written  consent  of each
Underwriter, settle or compromise or consent to the entry of any judgment in any
pending or  threatened  claim,  action,  suit or  proceeding in respect of which
indemnification  may be sought hereunder (whether or not such Underwriter or any
person who  controls  such  Underwriter  within the meaning of Section 15 of the
Securities  Act or  Section  20 of the  Exchange  Act is a party to each  claim,
action,  suit or  proceeding),  unless such  settlement,  compromise  or consent
includes an unconditional  release of each Underwriter and each such controlling
person from all liability arising out of such claim, action, suit or proceeding.
The Company shall not be liable for any  settlement of any such action,  suit or
proceeding effected without its written consent, but if settled with the written
consent of the Company or if there shall be a final  judgment for the  plaintiff
in any such action, suit or proceeding, the Company agrees to indemnify and hold
harmless any Underwriter and any such controlling person to the extent set forth
in this Section 9 from and against any loss, claim, damage, liability or expense
by reason of such  settlement  or  judgement.  Notwithstanding  the  immediately
preceding sentence, if in any case where the fees and expenses of counsel are at
the  expense  of the  indemnifying  party and an  indemnified  party  shall have
requested the  indemnifying  party to reimburse the  indemnified  party for such
fees and expenses of counsel as incurred, such indemnifying party agrees that it
shall be liable for any  settlement of any action  effected  without its written
consent if (i) such settlement is entered into more than ten business days after
the receipt by such  indemnifying  party of the aforesaid  request and (ii) such
indemnifying  party  shall have failed to  reimburse  the  indemnified  party in
accordance  with  such  request  for  reimbursement  prior  to the  date of such
settlement.

              (d) In order to provide  for just and  equitable  contribution  in
circumstances  in  which  the  indemnification  provided  for in  the  foregoing
paragraphs of this Section 9 is applicable in accordance  with its terms but for
any reason is held to be unavailable from the Company or the  Underwriters,  the
Company  and the  Underwriters  will  contribute  to the total  losses,  claims,
liabilities, expenses and damages (including any investigative, legal, and other
expenses  reasonably  incurred in connection with, any amount paid in settlement
of, any action, suit or proceeding or any claim asserted, but after deducting


                                      -30-

<PAGE>


any   contribution   received  by  the  Company  from  persons  other  than  the
Underwriters,  such as persons who control the Company within the meaning of the
Securities Act or the Exchange Act,  officers and directors of the Company,  who
also may be liable for contribution) to which the Company and any one or more of
the  Underwriters  may be subject in such  proportion as shall be appropriate to
reflect the relative benefits received by the Company,  on the one hand, and the
Underwriters on the other. The relative benefits received by the Company, on the
one hand,  and the  Underwriters  on the other shall be deemed to be in the same
proportion  as the  total  net  proceeds  from the  Offering  (before  deducting
expenses) received by the Company bears to the total underwriting  discounts and
commissions received by the Underwriters, in each case as set forth in Section 1
hereof. If, but only if, the allocation  provided by the foregoing  sentences is
not permitted by applicable law, the allocation of contribution shall be made in
such  proportion  as is  appropriate  to reflect not only the relative  benefits
referred  to in the  foregoing  sentence  but  also  the  relative  fault of the
Company,  on the one hand, and the  Underwriters,  on the other, with respect to
the  statements  or omissions  which  resulted in such loss,  claim,  liability,
expense or damage,  or action in respect thereof,  as well as any other relevant
equitable  considerations  with respect to such  Offering.  Such relative  fault
shall be  determined  by  reference  to whether  the  untrue or  alleged  untrue
statement of a material fact or omission or alleged omission to state a material
fact relates to information  supplied by the Company or the  Representatives  on
behalf of the  Underwriters,  the  intent  of the  parties  and  their  relative
knowledge,  access to  information  and  opportunity  to correct or prevent such
statement or omission.

         The  Company and the  Underwriters  agree that it would not be just and
equitable if  contributions  pursuant to this Section 9(d) were to be determined
by pro rata allocation (even if the Underwriters  were treated as one entity for
such  purpose)  or by any other  method of  allocation  which does not take into
account the  equitable  considerations  referred  to herein.  The amount paid or
payable  by an  indemnified  party as a result  of the loss,  claim,  liability,
expense  or  damage,  or action in respect  thereof,  referred  to above in this
Section 9(d) shall be deemed to include,  for purposes of this Section 9(d), any
legal  or  other  expenses  reasonably  incurred  by such  indemnified  parry in
connection with investigating or defending any such action or claim.

         Notwithstanding the provisions of this Section 9(d), (i) no Underwriter
shall be  required  to  contribute,  cumulatively,  any  amount in excess of the
underwriting  discounts and commissions  received by it less any amounts paid by
such Underwriter and (ii) no person found guilty of fraudulent misrepresentation
(within the meaning of Section 11(f) of the Securities  Act) will be entitled to
contribution   from  any  person   who  was  not   guilty  of  such   fraudulent
misrepresentation.  The  Underwriters'  obligations to contribute as provided in
this Section 9(d) are several in  proportion  to their  respective  subscription
obligations  and not joint.  For purposes of this Section  9(d),  any person who
controls a party to this  Agreement  within the meaning of the Securities Act or
the Exchange Act will have the same rights to  contribution  as that party,  and
each  director  or  officer  of  the  Company  will  have  the  same  rights  to
contribution as the Company,  subject in each case to the provisions hereof. Any
party entitled to contribution, promptly after receipt of notice of commencement
of any action  against  such parry in respect of which a claim for  contribution
may be made under this Section 9(d),  will notify any such parry or parties from
whom contribution may be sought,  but the omission so to notify will not relieve
the  party or  parties  from  whom  contribution  may be  sought  from any other


                                      -31-

<PAGE>


obligation  it or they may have under this Section 9(d). No party will be liable
for contribution with respect to any action or claim settled without its written
consent (which consent will not be unreasonably withheld).

         Any party  entitled to  contribution  will,  promptly  after receipt of
notice of commencement of any action,  suit or proceeding  against such party in
respect to which a claim for  contribution  may be made against another party or
parties  under  this  Section  9(d),  notify  such  party or  parties  from whom
contribution may be sought,  but the omission so to notify such party or parties
shall not relieve the party or parties from whom contribution may be sought from
any other  obligation  (x) it or they may have hereunder or otherwise than under
this  Section  9(d) or (y) to the extent  that such  party or  parties  were not
adversely affected by such omission.  The contribution agreement set forth above
shall be in  addition  to any  liabilities  which  any  indemnifying  party  may
otherwise have.

         10. Default by an Underwriter.  If any one or more  Underwriters  shall
fail on the Initial Closing Date or, with respect to any Option  Debentures,  on
the Option Closing Date to purchase and pay for any of the Debentures  agreed to
be purchased by such  Underwriter or Underwriters  hereunder and such failure to
purchase  shall  constitute  a  default  in the  performance  of  its  or  their
obligations under this Agreement,  the remaining Underwriters shall be obligated
severally to take up and pay for (in the respective proportions which the amount
of Debentures  set forth  opposite  their names in Schedule I hereto bear to the
aggregate amount of Debentures set forth opposite the names of all the remaining
Underwriters)  the Debentures  which the defaulting  Underwriter or Underwriters
agreed but failed to  purchase;  provided,  however,  that in the event that the
aggregate amount of Debentures which the defaulting  Underwriter or Underwriters
agreed but  failed to  purchase  shall  exceed  10% of the  aggregate  amount of
Debentures set forth in Schedule I hereto, the remaining Underwriters shall have
the right to purchase  all,  but shall not be under any  obligation  to purchase
any, of the Debentures, and if such non-defaulting  Underwriters do not purchase
all the  Debentures,  this  Agreement will  terminate  without  liability to any
non-defaulting  Underwriter  or the  Company.  In the event of a default  by any
Underwriter  as set forth in this Section 10, the Initial  Closing Date or, with
respect to any Option  Debentures,  the Option Closing Date,  shall be postponed
for  such  period,  not  exceeding  seven  days,  as the  Representatives  shall
determine in order that the required changes in the  Registration  Statement and
the Final  Prospectus or in any other documents or arrangements may be effected.
Nothing contained in this Agreement shall relieve any defaulting  Underwriter of
its liability,  if any, to the Company and any  non-defaulting  Underwriter  for
damages occasioned by its default hereunder.

         11. Survival. The respective representations,  warranties,  agreements,
covenants, indemnities and other statements of the Company, its officers and the
several  Underwriters  set  forth in this  Agreement  or made by or on behalf of
them,  respectively,  pursuant to this Agreement  shall remain in fill force and
effect, regardless of (i) any investigation made by or on behalf of the Company,
any of its officers or directors,  any  Underwriters or any  controlling  person
referred  to in  Section  9 hereof  and (ii)  delivery  of and  payment  for the
Debentures.  The  respective  agreements,   covenants,   indemnities  and  other
statements set forth in Sections 5 and 9 hereof and this Section 11 shall remain
in full force and effect,  regardless of any termination or cancellation of this
Agreement.


                                      -32-

<PAGE>



         12.  Termination.  The  obligations  of  the  Underwriters  under  this
Agreement may be  terminated  at any time prior to the Initial  Closing Date or,
with respect to the Option Debentures, on or prior to the related Option Closing
Date, by notice to the Company from the  Representatives,  without  liability on
the part of any  Underwriter  to the Company,  if, prior to delivery and payment
for the Debentures, in the sole discretion of the Underwriters:

                  (i) the Company  shall have failed,  refused or been unable to
         perform all  obligations  and satisfy all  conditions on its part to be
         performed or satisfied hereunder at or prior thereto;

                  (ii)  trading in any equity  securities  of the Company  shall
         have been  suspended by the Commission or by an exchange that lists the
         Common Shares;

                  (iii)  trading  in  securities  generally  on  the  NYSE,  the
         American Stock Exchange,  the Nasdaq Stock Market, the Luxembourg Stock
         Exchange or the International  Stock Exchange of the United Kingdom and
         the Republic of Ireland Limited shall have been suspended or limited or
         minimum or maximum prices shall have been generally  established on any
         such   exchange  or  market,   or  additional   material   governmental
         restrictions,  not in force on the date of this  Agreement,  shall have
         been  imposed  upon  trading  in  securities  generally  by any of such
         exchanges  or  markets  or by order of the  Commission  or any court or
         other governmental authority;

                  (iv) a general banking  moratorium shall have been declared by
         United States federal,  New York State,  Commonwealth of Massachusetts,
         Luxembourg or United Kingdom authorities; or

                  (v) any material adverse change in the financial or securities
         markets in the United  States,  Luxembourg or the United Kingdom or any
         outbreak or  escalation of  hostilities  or  declaration  by the United
         States, Luxembourg or the United Kingdom of a national emergency or war
         or other calamity or crisis shall have  occurred,  the effect of any of
         which  is  such  as  to  make  it,   in  the  sole   judgment   of  the
         Representatives,  impracticable  or  inadvisable  to  proceed  with the
         Offering  or the  delivery  of the  Debentures  on the terms and in the
         manner contemplated by the Final Prospectus.

Any  termination  pursuant to this Section 11 shall be without  liability of any
party to any other party except as provided in sections 7 and 9.

         13. Effective Date of Agreement. This Agreement shall become effective:
(i) upon the execution and delivery hereof by the parties hereto; or (ii) if, at
the time this  Agreement  is  executed  and  delivered,  it is  necessary  for a
post-effective  amendment to the registration statement to be declared effective
before the offering of the Debentures  may commence,  when  notification  of the
effectiveness  of  such  post-effective  amendment  has  been  released  by  the
Commission.  Until such time as this Agreement shall have become  effective,  it
may be terminated by the Company,  by notifying you, or by you, by notifying the
Company.


                                      -33-

<PAGE>



         14. Notices.  All communications  hereunder shall be in writing and, if
sent to the  Representative  shall be  mailed or  delivered  or  telecopied  and
confirmed  in  writing  to their  address  set forth on the first  page  hereof,
Attention:  Melvyn Rowe, and if sent to the Company, shall be mailed,  delivered
or  telecopied  and  confirmed  in writing to the Company at 400 Centre  Street,
Newton, Massachusetts 02158, Attention: Chief Operating Officer.

         15. Successors.  This Agreement shall inure to the benefit of and shall
be binding  upon the several  Underwriters,  the  Company  and their  respective
successors and legal representatives, and nothing expressed or mentioned in this
Agreement  is intended or shall be  construed to give any other person any legal
or equitable  right,  remedy or claim under or in respect of this Agreement,  or
any  provisions  herein  contained,   this  Agreement  and  all  conditions  and
provisions  hereof  being  intended  to be and being for the sole and  exclusive
benefit of such persons and for the benefit of no other  person  except that (i)
the indemnities of the Company contained in Section 9(a) of this Agreement shall
also be for the benefit of any person named therein and (ii) the  indemnities of
the  Underwriters  contained in Section 9(b) of this Agreement shall also be for
the benefit of the persons named  therein.  No purchaser of Debentures  shall be
deemed a  successor  because  of such  purchase.  This  Agreement  shall  not be
assignable by any party hereto  without the prior  written  consent of the other
party.

         16.  APPLICABLE  LAW. THIS AGREEMENT SHALL BE GOVERNED BY AND CONSTRUED
IN  ACCORDANCE  WITH  THE LAWS OF THE  STATE  OF NEW  YORK,  WITHOUT  REGARD  TO
PRINCIPLES OF CONFLICTS OF LAWS.

         17.  Counterparts.  This  Agreement  may be  executed  in  two or  more
counterparts,  each of  which  shall be  deemed  an  original,  but all of which
together shall constitute one and the same instrument.

         18. Waiver of Jury Trial. The Company and the Underwriters  each hereby
irrevocably  waive any right  they may have to a trial by jury in respect of any
claim  based  upon  or  arising  out  of  this  Agreement  or  the  transactions
contemplated hereby.


                                      -34-

<PAGE>



         If the foregoing  correctly sets forth the agreement  among the Company
and the Underwriters,  please indicate your acceptance in the space provided for
that purpose below.

                                    Very truly yours,


                                    HEALTH AND RETIREMENT PROPERTIES TRUST


                                    By:
                                       Name:
                                       Title:



ACCEPTED:

NATWEST SECURITIES LIMITED
MERRILL LYNCH & CO.
by Natwest Securities Limited
For itself and on behalf of the several Underwriters

By:
         Name:  Melvyn Rowe
         Title: Director, Equity Capital Markets


                                      -35-

<PAGE>



                                   SCHEDULE I


                                                        Principal Amount
                                                       of Firm Debentures
        Underwriters                                     to be Purchased
        ------------                                   ------------------

Natwest Securities Limited                                 $35,000,000
Merrill Lynch & Co.                                         35,000,000
                                                           -----------

                  Total                                    $70,000,000



<PAGE>



                                   SCHEDULE II


                                  Subsidiaries


1.       Church Creek Corporation, a Massachusetts corporation.

2.       Hub Properties Trust, a Maryland real estate investment trust.

3.       Causeway Holdings, Inc., a Massachusetts corporation.



<PAGE>


                                  SCHEDULE III

                                   Term Sheet






                                                               EXHIBIT 1.2


                                                     October 2, 1996


National Westminster Bank PLC
New York Branch
175 Water Street
New York, N.Y.   10038


                  Re:      Placement of Securities of Health and Retirement
                           Properties Trust

Dear Sirs:

         This letter (the "Agreement") confirms our agreement to retain National
Westminster  Bank PLC, New York Branch (the "Placement  Agent") as our exclusive
agent for a period  commencing  on the date of this  letter and  terminating  on
November  1, 1996,  unless  extended by the  parties,  to  introduce  Health and
Retirement Properties Trust (the "Company"), to certain investors as prospective
purchasers of up to $40,000,000  aggregate principal amount of 7.25% Convertible
Subordinated  Debentures  due  2001  of  the  Company  (the  "Debentures").  The
Debentures  are  immediately  convertible  into the  Company's  common shares of
beneficial interest,  $.01 par value per share (the "Conversion  Shares"),  at a
price of $18.00.  The Debentures shall be issued by the Company pursuant to that
certain indenture (the "Base Indenture") dated as of September 20, 1996, between
the Company and Fleet National Bank, as trustee (the "Trustee"), as supplemented
by the Third  Supplemental  Indenture  to be dated as of October 7, 1996 between
the Company and the Trustee (the "Supplemental Indenture" and collectively,  the
"Indenture").  The  engagement  described  herein (i) may be  terminated  by the
Company at any time prior to the closing date of the consummation of the sale of
the Debentures and (ii) shall be in accordance with applicable laws and pursuant
to the following procedures and terms and conditions:

         1. The Company will:

                  (a)      Cause the Company's independent public accountants to
                           address and deliver to the Company and the  Placement
                           Agent  a  letter  or  letters   (which   letters  are
                           frequently  referred to as "comfort  letters")  dated
                           the date hereof,  and a "bring-down"  letter dated as
                           of  October  7, 1996 (the  "Closing  Date"),  both of
                           which  letters  will  at all  times  be in  form  and
                           substance  reasonably  satisfactory  to the Placement
                           Agent.

                                      

<PAGE>

                                    

                  (b)      On the Closing  Date,  cause  outside  counsel to the
                           Company,  to deliver  opinions to the Placement Agent
                           in form and substance reasonably  satisfactory to the
                           Placement Agent and its counsel.

                  (c)      Apply for listing the  Debentures  and the Conversion
                           Shares for  trading  on the New York Stock  Exchange,
                           Inc.  ("NYSE") within two business days from the date
                           hereof  and  will  use its  best  efforts  to  obtain
                           approval  from the NYSE with  respect to such listing
                           on or prior to the Closing Date.

         2. The  Placement  Agent will use  reasonable  efforts on behalf of the
Company in connection with the Placement Agent's services hereunder. No sales of
Debentures shall be made to any person without the prior approval of such person
by the  Company.  The  Placement  Agent's  aggregate  fee  for  introducing  the
prospective investors will be 1.5% of the aggregate proceeds to the Company from
the sale of the  Debentures.  Such fee shall be  payable  by the  Company at the
Closing Date.  The Company,  upon  consultation  with the Placement  Agent,  may
establish a minimum amount of Debentures to be sold in the offering contemplated
hereby,  which minimum  amount shall be reflected in the  Prospectus (as defined
below).

         3. The Company hereby agrees as follows:

              (a) The Company will  indemnify  and hold  harmless the  Placement
Agent and each of its  respective  partners,  directors,  officers,  associates,
affiliates, subsidiaries, employees, consultants, attorneys and agents, and each
person, if any,  controlling the Placement Agent or any of its affiliates within
the meaning of either  Section 15 of the Securities Act of 1933, as amended (the
"Securities  Act") or  Section 20 of the  Securities  Exchange  Act of 1934,  as
amended  (the  "Exchange  Act"),  from and against  any and all losses,  claims,
damages,  liabilities or costs (and any legal or other expenses incurred by such
Placement Agent in investigating or defending the same or in giving testimony or
furnishing  documents in response to a request of any government  agency or to a
subpoena) in any way relating to or in any way arising out of the  activities of
the Placement Agent contemplated by this letter, or in connection with the

                                      - 2 -

<PAGE>



offering or sale of the  Debentures  to be sold by the  Company as  contemplated
hereunder.  Such indemnity  agreement shall not,  however,  cover any such loss,
claim, damage, liability, cost or expense which is held in a final judgment of a
court of competent  jurisdiction  (not subject to further appeal) to have arisen
out of the gross negligence or willful misconduct of the Placement Agent.

              (b) The  Placement  Agent will  indemnify  and hold  harmless  the
Company   and  each  of  its   trustees,   officers,   associates,   affiliates,
subsidiaries,   employees,  consultants,  attorneys,  agents,  and  each  person
controlling  the Company or any of its  affiliates  within the meaning of either
Section 15 of the Act or Section 20 of the Exchange Act from and against any and
all losses, claims,  damages,  liabilities,  costs or expenses (and any legal or
other expenses  incurred by such  indemnitee in  investigating  or defending the
same or in giving testimony or furnishing  documents in response to a request of
any  government  agency or to a subpoena) (i) which are held in a final judgment
of a court of competent  jurisdiction  (not  subject to further  appeal) to have
arisen out of the gross negligence or willful misconduct of such Placement Agent
or (ii) are based upon  information  furnished  in writing to the Company by the
Placement  Agent  expressly for use in the  Prospectus,  which  information  the
parties hereby agree, for purposes of this Agreement,  is limited solely to that
set forth under the caption "Plan of Distribution" in the Prospectus  Supplement
(as hereinafter defined).

              (c) If any action,  proceeding or investigation is commenced as to
which the indemnified party hereunder proposes to demand  indemnification  under
this letter  agreement,  it will notify the  indemnifying  party with reasonable
promptness.  The indemnified party shall have the right to retain counsel of its
own choice (which choice shall be reasonably  satisfactory  to the  indemnifying
party) to represent it and such counsel shall, to the extent consistent with its
professional  responsibilities,  cooperate with the  indemnifying  party and any
counsel designated by the indemnifying party. The indemnifying party will not be
liable under this letter  agreement for any  settlement of any claim against the
indemnified party made without the indemnifying party's written consent.

              In order to  provide  for just and  equitable  contribution,  if a
claim for  indemnification  pursuant to this paragraph 3 is made but it is found
in a final judgment by a court of competent jurisdiction (not subject to further
appeal) that such  indemnification may not be enforced in such case, even though
the express  provisions hereof provided for  indemnification  in such case, then
the Company, on the one hand, and the Placement Agent, on the other hand, shall

                                      - 3 -

<PAGE>



contribute to the losses,  claims,  damages,  liabilities  or costs to which the
indemnified  persons may be subject in  accordance  with the  relative  benefits
received from the offering and sale of the Debentures by the Company, on the one
hand, and the Placement Agent, on the other hand, and also the relative fault of
the Company,  on the one hand,  and the Placement  Agent,  on the other hand, in
connection with the statements, acts or omissions which resulted in such losses,
claims, damages, liabilities or costs, and the relevant equitable considerations
shall  also  be   considered.   No  person   found   liable  for  a   fraudulent
misrepresentation  shall be entitled to contribution  from any person who is not
also found liable for such  fraudulent  misrepresentation.  Notwithstanding  the
foregoing,  the Placement  Agent shall not be obligated to contribute any amount
hereunder  that exceeds the fees received by the  Placement  Agent in respect of
the offering and sale of the Debentures.

         4. The Company represents and warrants to the Placement Agent as of the
date hereof and as of the Closing Date as follows:

              (a) The Company and the transaction  contemplated  hereby meet the
requirements  for use of Form S-3  under  the  Securities  Act and the rules and
regulations (the  "Securities Act Rules and  Regulations") of the Securities and
Exchange Commission (the "Commission")  thereunder,  and the Company has filed a
registration  statement  on such Form  (Registration  No.  333-02863)  which has
become  effective,  for the  registration  of the  Debentures and the Conversion
Shares under the Securities  Act and the  Securities Act Rules and  Regulations.
Such registration statement, as amended at the date of this Agreement, meets the
requirements  set  forth in Rule  415(a)(1)  of the  Securities  Act  Rules  and
Regulations  and complies in all other  material  respects  with said Rule.  The
Company  proposes  to file  with  the  Commission  pursuant  to Rule  424 of the
Securities  Act Rules and  Regulations  a supplement  to the form of  prospectus
included  in such  registration  statement  relating to the  Debentures  and the
Conversion  Shares  and  the  plan of  distribution  of the  Debentures  and has
previously  advised you of all further  information  (financial  and other) with
respect to the Company to be set forth  therein.  Such  registration  statement,
including the exhibits  thereto,  as amended at the date of this  Agreement,  is
hereinafter called the "Registration Statement";  such prospectus in the form in
which it appears in the Registration  Statement is hereinafter called the "Basic
Prospectus";  and such  supplemented  form of final  prospectus,  in the form in
which it shall be filed with the Commission  pursuant to Rule 424 (including the
Basic  Prospectus  as  so   supplemented)  is  hereinafter   called  the  "Final


                                      - 4 -

<PAGE>


Prospectus."  Any preliminary  form of the Final Prospectus which has heretofore
been filed  pursuant to Rule 424  hereinafter is called the  "Preliminary  Final
Prospectus."  Any  reference  herein to the  Registration  Statement,  the Basic
Prospectus,  any Preliminary  Final  Prospectus or the Final Prospectus shall be
deemed to refer to and include the documents  incorporated by reference  therein
pursuant  to Item 12 of Form S-3 which were filed under the  Exchange  Act on or
before the date of this  Agreement,  or the issue date of the Basic  Prospectus,
any Preliminary  Final  Prospectus or the Final  Prospectus,  as the case may be
(the "Incorporated  Documents");  and any reference herein to the terms "amend,"
"amendment" or  "supplement"  with respect to the  Registration  Statement,  the
Basic  Prospectus,  and the Preliminary Final Prospectus or the Final Prospectus
shall be deemed to refer to and  include  the filing of any  document  under the
Exchange  Act after the date of this  Agreement,  or the issue date of the Basic
Prospectus,  any Preliminary  Final Prospectus or the Final  Prospectus,  as the
case may be, and deemed to be incorporated therein by reference.

              (b) As of each of the  following  dates  or  times:  (1) the  date
hereof, (2) when the Final Prospectus is first filed pursuant to Rule 424 of the
Securities Act Rules and  Regulations,  (3) when, prior to the Firm Closing Date
(as hereinafter defined) or any Option Closing Date (as hereinafter defined), as
the case may be, any amendment to the Registration  Statement  becomes effective
(including  the  filing  of  any  document  incorporated  by  reference  in  the
Registration  Statement),  (4) when any  supplement  to the Final  Prospectus is
filed with the  Commission,  (5) at the Firm Closing Date, and (6) at any Option
Closing Date, (i) the Registration Statement as amended as of any such time, and
the Final  Prospectus,  as amended  or  supplemented  as of any such time,  will
comply  in  all  material  respects  with  the  applicable  requirements  of the
Securities Act, the Securities Act Rules and  Regulations,  the Exchange Act and
the rules and  regulations  under the Exchange Act (the  "Exchange Act Rules and
Regulations"),  (ii) the Registration Statement, as amended as of any such time,
will not contain any untrue  statement  of a material  fact or omit to state any
material  fact  required to be stated  therein or necessary in order to make the
statements therein not misleading, and (iii) the Final Prospectus, as amended or
supplemented  as of any such time,  will not contain any untrue  statement  of a
material fact or omit to state any material  fact required to be stated  therein
or  necessary  in  order  to  make  the  statements  therein,  in  light  of the
circumstances  under which they were made, not  misleading;  provided,  however,
that the Company makes no  representations  or warranties as to the  information
contained in or omitted from the Registration  Statement or the Final Prospectus


                                      - 5 -

<PAGE>


or  any  amendment  thereof  or  supplement  thereto  in  reliance  upon  and in
conformity with information relating to the Placement Agent furnished in writing
to the Company by the Placement  Agent  specifically  for use in connection with
the preparation of the Registration Statement and the Final Prospectus.

              (c) The Incorporated  Documents  heretofore  filed, when they were
filed (or, if any amendment  with respect to any such  document was filed,  when
such  amendment  was  filed),  conformed  in  all  material  respects  with  the
requirements of the Exchange Act and the Exchange Act Rules and Regulations, any
further  Incorporated  Documents so filed will, when they are filed,  conform in
all material respects with the requirements of the Exchange Act and the Exchange
Act  Rules and  Regulations;  no such  document  when it was  filed  (or,  if an
amendment  with respect to any such document was filed,  when such amendment was
filed),  contained an untrue  statement of a material fact or omitted to state a
material  fact  required to be stated  therein or necessary in order to make the
statements  therein,  in light of the circumstances  under which they were made,
not misleading;  and no such further document, when it is filed, will contain an
untrue  statement  of a  material  fact or will  omit to state a  material  fact
required  to be stated  therein  or  necessary  in order to make the  statements
therein,  in  light  of the  circumstances  under  which  they  were  made,  not
misleading.

              (d) The Company is a Maryland real estate investment trust in good
standing under the laws of the State of Maryland.  Each of its  subsidiaries (as
hereinafter  defined)  has  been  duly  organized,  is  validly  existing  as  a
corporation in good standing under the laws of its jurisdiction of incorporation
or  organization.  Each of the Company and its  subsidiaries  has full power and
authority  (corporate  and other) to carry on its  business as  described in the
Registration  Statement and the Final  Prospectus  and to own, lease and operate
its properties.  Each of the Company and its  subsidiaries is duly qualified and
is in good  standing  as a foreign  corporation  or  trust,  as the case may be,
authorized  to do  business  in each  jurisdiction  in which  the  nature of its
business or its ownership or leasing of property  requires  such  qualification,
except  where the failure to be so qualified  would not have a material  adverse
effect  on the  Company  and  its  subsidiaries,  taken  as a  whole.  The  only
subsidiaries  (as defined in the  Securities Act Rules and  Regulations)  of the
Company which are actively  engaged in business are the  subsidiaries  listed on
Schedule I hereto (the "subsidiaries").

              (e) No injunction,  stop order,  restraining order or order of any
nature by a federal,  state or foreign court of competent  jurisdiction has been
issued that would prevent or interfere with the issuance of the Debentures

                                      - 6 -

<PAGE>



(including,  but not  limited  to,  any  order  suspending  the use of the Final
Prospectus or any Preliminary Final Prospectus or suspending the registration or
qualification  of the Conversion  Shares);  no  proceedings  with the purpose of
preventing or  interfering  with the offering  contemplated  hereby are pending,
threatened  or, to the Company's  knowledge,  contemplated  by any securities or
other governmental authority in any jurisdiction (including, without limitation,
the  Commission);  and no order  suspending the  qualification or exemption from
qualification of the Debentures or the Conversion Shares under the securities or
"Blue  Sky" laws of any  jurisdiction  is in effect and no  proceeding  for such
purpose  is  pending  before  or  threatened  or,  to the  Company's  knowledge,
contemplated by the authorities of any such jurisdiction.

              (f) The  historical  and pro  forma  financial  statements  of the
Company and its subsidiaries  and, to the knowledge of the Company,  of Marriott
International,  Inc. (the  "Operator"),  together with the related schedules and
notes  thereto,  included  or  incorporated  by  reference  in the  Registration
Statement,  the Final Prospectus and any Preliminary  Final Prospectus comply as
to form in all material  respects with the  requirements  of the Securities Act.
Such historical financial  statements present fairly the consolidated  financial
position,  results of operations,  shareholders' equity and changes in financial
position of the Company and its  subsidiaries at the respective dates or for the
respective  periods  therein  specified.  Such  statements have been prepared in
accordance with generally accepted accounting  principles  consistently  applied
throughout the periods involved. The other financial and statistical information
and  data of the  Company  set  forth in or  incorporated  by  reference  in the
Registration   Statement,   the  Final  Prospectus  and  any  Preliminary  Final
Prospectus are, in all material respects, accurately presented and prepared on a
basis consistent with such financial statements and the books and records of the
Company and its  subsidiaries.  Such pro forma  financial  statements  have been
prepared on a basis consistent with such historical  statements,  except for the
pro forma adjustments  specified therein, and give effect to assumptions made on
a reasonable basis and present fairly the pro forma condensed combined financial
position of the Company at the date  indicated  and the pro forma results of its
operations for the period indicated.

              (g) The accountants who have certified the financial statements of
the  Company  and,  to  the  Company's  knowledge,   of  the  Operator  and  its
subsidiaries,  incorporated by reference into the Registration Statement and the


                                      - 7 -

<PAGE>


Final  Prospectus  are  independent  certified  accountants  as  required by the
Securities  Act and the  Securities  Act Rules and  Regulations.  The statements
included in or  incorporated  by reference in the  Registration  Statement,  the
final  Prospectus  and any  Preliminary  Final  Prospectus  with respect to such
accountants  pursuant to Rule 509 of Regulation  S-K of the Securities Act Rules
and Regulations are true and correct in all material respects.

              (h) Since the respective dates as of which information is given in
the Final Prospectus,  and except as otherwise disclosed therein,  (i) there has
been  no  material  adverse  change  in  the  business,  operations,   earnings,
prospects,  properties or condition  (financial or otherwise) of the Company and
its  subsidiaries,  taken as a whole, or, to the Actual Knowledge (as defined in
Section 4(k) hereof) of the Company, of the Operator (as defined in Section 4(k)
hereof) or the Advisor (as defined in Section 4(k) hereof),  in any case whether
or not  arising  in the  ordinary  course of  business,  (ii) there have been no
material  transactions  entered into by the Company and its  subsidiaries,  on a
consolidated basis, or, to the Actual Knowledge of the Company,  the Operator or
the Advisor other than  transactions in the ordinary  course of business,  (iii)
neither the Company nor its  subsidiaries  nor, to the Actual  Knowledge  of the
Company,  the Operator or the Advisor has incurred any material  liabilities  or
obligations,  direct or contingent, (iv) the Company and its subsidiaries,  on a
consolidated  basis,  have  not  (A)  declared,  paid  or  made  a  dividend  or
distribution  of any kind on any class of its  capital  stock,  (B)  issued  any
capital  stock  of  the  Company  or any of  its  subsidiaries  or any  options,
warrants,  convertible  securities or other rights to purchase the capital stock
of the Company or any of its subsidiaries or (C) repurchased or redeemed capital
stock, and (v) there has not been (A) any material decrease in the Company's net
worth  or (B) any  material  increase  in the  short-term  or  long-  term  debt
(including  capitalized lease  obligations) of the Company and its subsidiaries,
on a consolidated basis.

              (i) The Company and each of its subsidiaries maintains a system of
internal accounting controls sufficient to provide reasonable assurance that (i)
transactions  are executed in accordance with  management's  general or specific
authorizations;   (ii)   transactions   are  recorded  as  necessary  to  permit
preparation  of financial  statements  in  conformity  with  generally  accepted
accounting  principles  and to maintain  asset  accountability;  (iii) access to
assets is permitted  only in accordance  with  management's  general or specific
authorization;  and (iv) the recorded accountability for assets is compared with
the existing assets at reasonable intervals and appropriate action is taken with
respect to any differences.

                                      - 8 -

<PAGE>



              (j) Except as otherwise disclosed in the Final Prospectus, neither
the Company nor any of its  subsidiaries  nor,  to the Actual  Knowledge  of the
Company,  any of the Operator or the Advisor is in  violation of its  respective
charter  or  by-laws  or other  organizational  documents  or in  default in the
performance  of any  obligation,  agreement or condition  contained in any bond,
debenture, note or any other evidence of indebtedness or in any other agreement,
indenture or instrument to which the Company or any of its  subsidiaries  or, to
the Actual Knowledge of the Company,  the Operator or the Advisor, is a party or
by which any of their respective  properties or assets may be bound or affected,
except for any such violation  that would not have a material  adverse effect on
the condition,  financial or otherwise, or in the respective earnings,  business
affairs or business  prospects  of any of them.  Neither the Company nor, to the
Actual Knowledge of the Company,  the Operator or the Advisor is in violation of
any law, ordinance,  governmental rule or regulation or court decree to which it
is subject,  except for any such violations  that would not,  individually or in
the aggregate,  have a material  adverse  effect on the condition,  financial or
otherwise, or in the respective earnings, business affairs or business prospects
of any of them.

              (k) Except as disclosed in the Registration Statement or the Final
Prospectus,  there is not now  pending  or,  to the  knowledge  of the  Company,
threatened, any litigation,  action, suit or proceeding to which the Company or,
to the Actual  Knowledge of the Company  without  independent  inquiry  ("Actual
Knowledge"), the Operator or HRPT Advisors, Inc. (the "Advisor") is or will be a
party  before or by any court or  governmental  agency or body,  which (A) might
result in any material adverse change in the condition,  financial or otherwise,
or in the earnings, business affairs or business prospects of the Company or, to
the Actual Knowledge of the Company, of the Operator or the Advisor or (B) might
materially and adversely affect the property or assets of the Company or, to the
Actual Knowledge of the Company,  of the Operator or the Advisor, or (C) relates
to  environmental  matters  involving the Company or, to the Actual Knowledge of
the Company, of the Operator or the Advisor, or (D) relates to discrimination on
the basis of age,  sex,  religion  or race,  relating  to the Company or, to the
Actual Knowledge of the Company, of the Operator or the Advisor, or (E) concerns
the Company or, to the Actual  Knowledge of the Company,  of the Operator or the
Advisor,  and is required to be disclosed in the Final Prospectus,  or (F) could
adversely  affect the  consummation  of this  Agreement,  the  Indenture  or the
Debentures.  No contract or other  document is required to be  described  in the
Registration  Statement or the Final  Prospectus or to be filed as an exhibit to


                                      - 9 -

<PAGE>


the Registration Statement (except for (i) the Supplemental Indenture, (ii) this
Agreement,  (iii) the First Supplemental  Indenture to be dated as of October 7,
1996 by and between the Company and the Trustee  pursuant to which the Company's
7.50% Convertible Subordinated Debentures due 2003 (the "7.50% Debentures") will
be issued,  and (iv) the  underwriting  agreement  dated the date  hereof by and
between the Company and several  Underwriters  named therein (the  "Underwriting
Agreement")  pursuant to which the 7.50%  Debentures  will be placed,  copies of
which  will be  filed  with  the  Commission  on the  date  hereof)  that is not
described therein or filed as required.

              (l) The Company has the requisite  power and authority to execute,
deliver and perform its obligations  under this  Agreement,  the Base Indenture,
the Supplemental  Indenture and the Debentures,  and to issue,  sell and deliver
the Debentures and the Conversion  Shares in accordance  with and upon the terms
and conditions set forth in this Agreement, the Base Indenture, the Supplemental
Indenture and the Debentures,  as the case may be. All necessary  proceedings of
the  Company  have been duly taken to  authorize  the  execution,  delivery  and
performance  by the  Company  of this  Agreement  and the  Base  Indenture,  the
Supplemental Indenture and the issuance, sale and delivery by the Company of the
Debentures and the Conversion Shares.

              (m) This Agreement has been duly and validly authorized,  executed
and  delivered by or on behalf of the Company and is a legal,  valid and binding
agreement of the Company,  enforceable in accordance  with its terms (i) subject
to applicable bankruptcy,  insolvency,  reorganization,  fraudulent transfer and
similar laws affecting  creditors'  rights,  generally,  (ii) subject to general
principles  of  equity  (regardless  of  whether  enforcement  is  sought  in  a
proceeding in equity or at law), and (iii) except insofar as the  enforceability
of the indemnity and contribution  provisions contained in this Agreement may be
limited by federal or state  securities  laws and the public  policy  underlying
such laws.

              (n) The Base  Indenture and the  Supplemental  Indenture have been
duly and validly  authorized by the Company and on the Initial Closing Date will
have been duly  executed  and  delivered  by the Company and  (assuming  the due
authorization,  execution and delivery  hereof by the Trustee) each of them will
constitute a valid and legally  binding  instrument of the Company,  enforceable
against the Company in accordance with its terms, subject, as to enforcement, to
bankruptcy,  insolvency,  reorganization,  fraudulent conveyance or similar laws
relating to or  affecting  the rights of  creditors  generally  and by equitable
principles.  The Base Indenture and the  Supplemental  Indenture will conform to


                                     - 10 -

<PAGE>


the description  thereof set forth in the  Registration  Statement and the Final
Prospectus.  The Indenture has been duly qualified under the Trust Indenture Act
of 1939, as amended (the "Trust Indenture Act").

              (o) The Debentures have been duly and validly  authorized and when
the  Debentures  have been  authenticated  by the Trustee and issued,  executed,
delivered and sold by the Company in accordance  with the  Indenture,  will have
been duly and validly executed, authenticated, issued and delivered and will (i)
constitute  valid and legally  binding  obligations  of the Company  enforceable
against the Company in accordance  with their terms and entitled to the benefits
of  the  Indenture  to  bankruptcy,   insolvency,   reorganization,   fraudulent
conveyance  or similar  laws  relating to or  affecting  the rights of creditors
generally  and to  equitable  principles,  and  (ii)  be  convertible  into  the
Conversion Shares in accordance with the terms thereof and of the Indenture. The
Conversion  Shares  have been  duly and  validly  authorized  and  reserved  for
issuance upon  conversion of the Debentures  and, when issued and delivered upon
such conversion, will be duly and validly issued and outstanding, fully paid and
nonassessable  and will not have been issued in  violation  of or subject to any
preemptive or other similar  rights.  The Debentures and the Conversion  Shares,
when issued,  will conform to the respective  descriptions  thereof set forth in
the Registration Statement and the Final Prospectus.

              (p) The execution, delivery and performance by the Company of this
Agreement,  the Base Indenture,  the Supplemental  Indenture and the Debentures,
the issuance, offering and sale by the Company of the Debentures as contemplated
by the  Registration  Statement  and the Final  Prospectus,  the issuance by the
Company  of  the  Conversion  Shares  upon  exercise  of the  conversion  rights
contained  in the  Indenture  and the  Debentures  and the  consummation  of the
transactions  contemplated  hereby and thereby and compliance with the terms and
provisions hereof and thereof, will not violate or conflict with or constitute a
breach of any of the terms or provisions of, or a default under, (i) the Amended
and  Restated  Declaration  of Trust or Bylaws of the  Company or the charter or
bylaws or other organizational  documents of any subsidiaries of the Company or,
to the Actual  Knowledge of the  Company,  the  respective  charter or bylaws or
other organizational documents of the Operator or the Advisor, or (ii) except as
disclosed in the Final  Prospectus any agreement,  indenture or other instrument
to which the Company or any of its  subsidiaries  or, to the Actual Knowledge of
the  Company,  the Operator or the Advisor is a party or by which the Company or
any of its subsidiaries or, to the Actual Knowledge of the Company, the Operator
or the Advisor or their  respective  property  or assets is bound,  or (iii) any


                                     - 11 -

<PAGE>


laws, administrative regulations or rulings or decrees applicable to the Company
or any of its  subsidiaries  or, to the Actual  Knowledge  of the  Company,  the
Operator or the Advisor or their respective properties or assets may be subject.

              (q) No  consent,  approval,  authorization,  order,  registration,
filing,  qualification,  license  or permit of or with any court or any  public,
governmental or regulatory  agency or body having  jurisdiction over the Company
or any of its  subsidiaries or any of their  respective  properties or assets is
required for the  execution,  delivery and  performance of this  Agreement,  the
Indenture  and  the  Debentures  and  the   consummation  of  the   transactions
contemplated hereby and thereby,  including,  without limitation,  the issuance,
sale and delivery of the Debentures  pursuant to this Agreement,  except such as
have been  obtained  and such as may be  required  under (i)  foreign  and state
securities  or "Blue  Sky" laws and (ii) the  bylaws  and rules of the  National
Association of Securities Dealers, Inc. (the "NASD").

              (r) Except as otherwise  disclosed in the  Registration  Statement
and the Final  Prospectus,  the Company has good and marketable  title or ground
leases,  free and clear of all liens,  claims,  encumbrances  and  restrictions,
except liens for taxes not yet due and payable and other liens and  encumbrances
which do not,  either  individually  or in the aggregate,  adversely  affect the
current  use or value  thereof,  to all  property  and assets  described  in the
Registration Statement and the Final Prospectus as being owned by it. All leases
to which the Company is a party relating to real property,  and all other leases
which are material to the business of the Company,  are valid and binding and no
default (to the  Company's  knowledge in the case of leases to which the Company
is a party as lessor) has occurred or is continuing thereunder,  and the Company
enjoys peaceful and undisturbed  possession under all such leases to which it is
a party as  lessee.  With  respect  to all  properties  owned or  leased  by the
Company, the Company has such documents,  instruments,  certificates,  opinions,
and assurances,  including without limitation, fee, leasehold owners or mortgage
title  insurance  policies   (disclosing  no  material   encumbrances  or  title
exceptions  except as otherwise set forth in the Registration  Statement and the
Final  Prospectus),  legal opinions and property insurance policies in each case
in form and substance as are usual and customary in  transactions  involving the
purchase  of similar  real  estate and are  appropriate  for the Company to have
obtained.

              (s) The Company and each of the  subsidiaries  owns,  or possesses
adequate  rights to use, all patents,  trademarks,  trade names,  service marks,
copyrights,  licenses  and  other  rights  necessary  for the  conduct  of their


                                     - 12 -

<PAGE>



respective  businesses as described in the Registration  Statement and the Final
Prospectus, and neither the Company nor any of its subsidiaries has received any
notice of conflict with, or infringement  of, the asserted rights of others with
respect to any such patents, trademarks, trade names, service marks, copyrights,
licenses and other such rights (other than conflicts or  infringements  that, if
proven,  would not have a material  adverse effect on the business,  operations,
earnings,  prospects,  properties  or condition  (financial or otherwise) of the
Company and its subsidiaries, taken as a whole), and neither the Company nor any
of its subsidiaries knows of any basis therefor.

              (t) All material  tax returns  required to be filed by the Company
and each of its subsidiaries in any jurisdiction  have been timely filed,  other
than those  filings  being  contested  in good faith,  and all  material  taxes,
including withholding taxes, penalties and interest, assessments, fees and other
charges due pursuant to such returns or pursuant to any  assessment  received by
the  Company or any of its  subsidiaries  have been paid other than those  being
contested in good faith and for which adequate reserves have been provided.

              (u) Except for non-compliance which in the aggregate does not have
a material  adverse  effect on the  condition,  financial or  otherwise,  or the
earnings,  business affairs or business prospects of the Company, and except for
Hazardous  Materials (as defined  below) or substances  which are handled and/or
disposed  of  in  compliance  with  all  applicable  federal,  state  and  local
requirements,  to the Company's  knowledge,  after due  investigation,  the real
property owned,  leased or otherwise  utilized by the Company in connection with
the operation of its business,  including,  without  limitation,  any subsurface
soils  and  ground  water  (the  "Realty"),  is free of  contamination  from any
Hazardous Materials.  To the Company's knowledge,  after due investigation,  the
Realty does not contain any underground  storage or treatment  tanks,  active or
abandoned  water,  gas or oil wells,  or any other  underground  improvements or
structures,  other than the  foundations,  footings,  or other  supports for the
improvements located thereon which based on present knowledge could presently or
at any time in the future cause a material detriment to or materially impair the
beneficial  use  thereof by the  Company or  constitute  or cause a  significant
health,  safety or other  environmental  hazard to  occupants  or users  thereof
without regard to any special conditions of such occupants or users. The Company
represents  that, after due  investigation,  it has no knowledge of any material
violation,  with  respect to the  Realty,  of any  Environmental  Law, or of any
material  liability  on the part of the  Company,  with  respect to the  Realty,


                                     - 13 -

<PAGE>



resulting  from  the  presence,  use,  release,  threatened  release,  emission,
disposal,  pumping,  discharge,   generation  or  processing  of  any  Hazardous
Materials. As used herein, "Environmental Law" means any federal, state or local
statute,  regulation,  judgment,  order or authorization  relating to emissions,
discharges,  releases or threatened releases of Hazardous Materials into ambient
air, surface water, ground water, publicly owned treatment works, septic systems
or land,  or otherwise  relating to the pollution or protection of health or the
environment. As used herein, "Hazardous Materials" means any substance, material
or waste  which is  regulated  by any  federal,  state  or local  government  or
quasi-government  authority, and includes, without limitation (a) any substance,
material or waste  defined,  used or listed as a "hazardous  waste",  "hazardous
substance",  toxic  substance",  "medical  waste",  "infectious  waste" or other
similar terms as defined or used in any Environmental Law, as such Environmental
Law may from time to time be amended; and (b) any petroleum products,  asbestos,
lead-based paint, polychlorinated biphenyls, flammable explosives or radioactive
materials.

              (v) Each of the  Company,  its  subsidiaries  and,  to the  Actual
Knowledge  of the  Company,  the  Operator  and the  Advisor  has such  permits,
licenses,   franchises  and   authorizations   of   governmental  or  regulatory
authorities  ("permits"),  including,  without limitation,  under any applicable
Environmental  Laws, as are necessary to own,  lease and operate its  properties
and to engage in the business  currently  conducted by it,  except such licenses
and permits as to which the failure to own or possess will not in the  aggregate
have a material adverse effect on the condition,  financial or otherwise, or the
earnings,  business  affairs or business  prospects of the  Company,  or, to the
Actual  Knowledge  of the  Company,  the Operator or the Advisor and neither the
Company nor, to the Actual Knowledge of the Company, the Operator or the Advisor
has any reason to believe that any  governmental  body or agency is  considering
limiting,  suspending  or  revoking  any  such  license,  certificate,   permit,
authorization,   approval,   franchise  or  right;  each  of  the  Company,  its
subsidiaries  and, to the Actual Knowledge of the Company,  the Operator and the
Advisor has fulfilled and performed all of its obligations  with respect to such
permits and no event has occurred which allows, or after notice or lapse of time
would allow,  revocation or termination thereof or results in any other material
impairment  of the  rights of the  holder  of any such  permit;  and,  except as
described in the Registration  Statement and the Final Prospectus,  such permits
contain no restrictions  that are materially  burdensome to the Company,  any of
its subsidiaries or, to the Actual Knowledge of the Company, the Operator or the
Advisor.

                                     - 14 -

<PAGE>



              (w) To the best knowledge of the Company,  no labor problem exists
or is imminent  with  employees of the Company or any of its  subsidiaries  that
could have a material  adverse  effect on the  business,  operations,  earnings,
prospects,  properties or condition  (financial or otherwise) of the Company and
its subsidiaries, taken as a whole.

              (x) Neither the  Company nor any of its  subsidiaries  nor, to the
best of the Company's  knowledge,  any officer of director  purporting to act on
behalf of the Company or any of its  subsidiaries  has at any time: (i) made any
contributions to any candidate for political office, or failed to disclose fully
any such contributions,  in violation of law, (ii) made any payment of funds to,
or  received  or  retained  any  funds  from,  any  state,  federal  or  foreign
governmental officer or official, or other person charged with similar public or
quasi-public  duties, other than payments required or allowed by applicable law,
or (iii) engaged in any  transactions,  maintained  any bank account or used any
corporate funds except for transactions, bank accounts and funds which have been
and are  reflected in the normally  maintained  books and records of the Company
and its subsidiaries.

              (y) The authorized,  issued and  outstanding  capital stock of the
Company,  and the capital stock  reserved or committed  for issuance,  is as set
forth under the captions  "Capitalization" and "Description of Capital Stock" in
the  Registration  Statement  and the Final  Prospectus.  All of the  issued and
outstanding  indebtedness  of the Company and Common Shares are duly and validly
authorized and issued,  and all of the issued and outstanding Common Shares are,
and the Conversion Shares when acquired on the terms and conditions specified in
the  Debentures  and the Indenture  will be, fully paid and  nonassessable.  The
Company has a sufficient  number of  authorized  but unissued  Common  Shares to
enable  the  Company  to issue,  without  further  stockholder  action,  all the
Conversion  Shares.  There are no preemptive rights or other rights to subscribe
for or to  purchase,  or any  restriction  upon the voting or  transfer  of, any
Common Shares pursuant to the Company's declaration of trust, bylaws or any oral
or written  agreement  or other  instrument  to which the  Company or any of its
subsidiaries  is a  party  or  by  which  either  the  Company  or  any  of  its
subsidiaries  is bound that is not described in the  Registration  Statement and
the Final  Prospectus.  Neither  the  offering  and sale of the  Debentures,  as
contemplated by this  Agreement,  nor the issuance or delivery of the Conversion
Shares,  as contemplated by the Indenture and the Debentures,  gives rise to any
rights,  other than those which have been,  or which will,  prior to the Closing


                                     - 15 -

<PAGE>


Date, be, waived in writing or satisfied, for or relating to the registration or
offering of any shares of capital stock or other securities of the Company.  The
Common Shares of the Company  conform and,  upon the issuance of the  Conversion
Shares in connection  with the  conversion  of the  Debentures,  the  Conversion
Shares will conform, in all material respects to the statements relating thereto
in the Registration Statement and the Final Prospectus.

              (z) All of the  outstanding  shares of capital  stock of, or other
ownership  interests  in,  each of the  Company's  subsidiaries  have  been duly
authorized and validly issued and are fully paid and non-assessable, and, except
as disclosed in the Registration  Statement and the Final Prospectus,  are owned
by the Company free and clear of any security interest, claim, lien, encumbrance
or adverse interest of any nature.

              (aa) None of the  subsidiaries  of the Company  owns any shares of
stock or any other  securities of any  corporation or has any equity interest in
any firm,  partnership,  association  or other  entity  except as referred to or
described in the Registration Statement and the Final Prospectus and the Company
does not  own,  directly  or  indirectly,  any  shares  of  stock  or any  other
securities  of any  corporation  or  have  any  equity  interest  in  any  firm,
partnership,  association or other entity other than the issued capital stock of
its subsidiaries,  except in each case for non-controlling positions acquired in
the ordinary course of business.

              (bb) Except as disclosed  in the  Registration  Statement  and the
Prospectus,  there are no  material  outstanding  loans or  advances or material
guarantees of indebtedness  by the Company or any of its  subsidiaries to or for
the  benefit of any of the  officers or  directors  of the Company or any of its
subsidiaries or any of the members of the families of any of them.

              (cc) The Company and each of its subsidiaries maintains insurance,
duly in force,  with  insurers  of  recognized  financial  responsibility;  such
insurance  insures  against such losses and risks as are adequate in  accordance
with customary industry practice to protect the Company and its subsidiaries and
their respective businesses; and neither the Company nor any such subsidiary has
any reason to believe that it will not be able to renew its  existing  insurance
coverage as and when such coverage  expires or to obtain  similar  coverage from
similar  insurers as may be  necessary  to continue  its business at a cost that
would not materially and adversely  affect the business,  operations,  earnings,
prospects,  properties or condition  (financial or otherwise) of the Company and
its  subsidiaries,  taken as a whole,  except as disclosed in or contemplated by
the Registration Statement and the Final Prospectus

                                     - 16 -

<PAGE>

 .

              (dd) Neither the Company nor any of its officers and directors (as
defined in the  Securities  Act Rules and  Regulations)  has taken or will take,
directly or indirectly, prior to the termination of the offering contemplated by
this Agreement and the  Registration  Statement and Final  Prospectus any action
designed to stabilize or manipulate the price of any security of the Company, or
which has caused or  resulted  in, or which  might in the future  reasonably  be
expected to cause or result in,  stabilization  or  manipulation of the price of
any security of the Company,  to facilitate the sale or resale of the Debentures
or the Conversion Shares.

              (ee)  In  connection  with  the  offering   contemplated  by  this
Agreement, the Company has not offered and will not offer Debentures, its Common
Shares or any other  securities  convertible into or exchangeable or exercisable
for Common  Shares in a manner in violation of the  Securities  Act. The Company
has not distributed and will not distribute any offering  material in connection
with the offering  contemplated  by this Agreement  other than the  Registration
Statement,  the  Final  Prospectus  and any  Preliminary  Final  Prospectus.  No
securities of the same class as the Debentures  have been issued and sold by the
Company within the six-month period immediately prior to the date hereof.

              (ff)  Neither  the  Company  nor  any  of its  subsidiaries  is an
"investment  company" or an "affiliated  person" of, or "promoter" or "principal
underwriter"  for an  "investment  company"  as such  terms are  defined  in the
Investment Company Act of 1940, as amended,  or an "investment  advisor" as such
term is defined in the Investment Advisors Act of 1940, as amended.

              (gg) Any  certificate  signed by an  officer  of the  Company  and
delivered to the Placement  Agent or to counsel for the Placement Agent pursuant
to this Agreement shall be deemed a  representation  and warranty by the Company
to the Placement Agent as to the matters covered thereby.

              (hh) The  Company  has dealt  with no broker,  finder,  commission
agent or other  person in  connection  with the sale of the  Debentures  and the
transactions  contemplated by this Agreement, the Registration Statement and the
Final  Prospectus,  other than the Placement  Agent, and the Company is under no
obligation  to pay any  broker's  fee or  commission  in  connection  with  such
transactions, other than the fee to the Placement Agent contemplated hereby.


                                     - 17 -

<PAGE>



              (ii)  Neither the Company nor any  affiliate  of the Company  does
business with the government of Cuba or with any person or affiliate  located in
Cuba and the Company and each  affiliate  thereof  has  complied,  to the extent
necessary,  with all  provisions  of  Section  517.075,  Florida  Statutes,  and
applicable rules and regulations thereunder.

              (jj) There are no  outstanding  subscriptions,  rights,  warrants,
options, calls, convertible securities,  commitments of sale or liens related to
or  entitling  any person to purchase or  otherwise to acquire any shares of the
capital stock of, or other ownership  interest in, the Company or any subsidiary
thereof  except as otherwise  disclosed in the  Registration  Statement  and the
Final Prospectus.

              (kk) The Company is organized in conformity with the  requirements
for  qualification,  and, as of the date hereof the Company operates,  and as of
the Initial  Closing Date and any Option  Closing Date the Company will operate,
in a manner that qualifies the Company,  as a "real estate  investment trust" (a
"REIT") under the Internal  Revenue Code of 1986,  as amended (the "Code"),  and
the rules and regulations thereunder, for 1996 and subsequent years. The Company
qualified as a real estate  investment  trust for its 1987,  1988,  1989,  1990,
1991, 1992, 1993, 1994 and 1995 taxable years.

              (ll) No default  exists,  and no event has  occurred  which,  with
notice  or  lapse  of  time or  both,  would  constitute  a  default  in the due
performance and observance of any term,  covenant or condition of any indenture,
mortgage,  deed of trust,  lease or other  agreement or  instrument to which the
Company or any of its  subsidiaries is a party or by which the Company or any of
its  subsidiaries  or any of  their  respective  properties  is  bound or may be
affected in any material  adverse  respect with regard to property,  business or
operations of the Company and its subsidiaries, considered as a whole, except as
disclosed in the Registration Statement and the Final Prospectus.

              (mm) The Advisory  Agreement (as defined in the Final  Prospectus)
has been duly  authorized,  executed and  delivered  by the parties  thereto and
constitutes  the  valid  agreement  of  the  parties  thereto,   enforceable  in
accordance  with its terms,  except as limited by (a) the effect of  bankruptcy,
insolvency,  reorganization,  moratorium  or other  similar laws  relating to or
affecting  the  rights or  remedies  of  creditors  or (b) the effect of general
principles  of equity,  whether  enforcement  is  considered  in a proceeding in
equity or at law, and the  discretion  of the court before which any  proceeding
therefore may be brought.

                                     - 18 -

<PAGE>



         5. The  Placement  Agent  represents  and warrants to the Company that,
assuming  compliance  by  the  Company  with  all  relevant  provisions  of  the
Securities  Act in connection  with the  Prospectus,  the  Placement  Agent will
conduct all offers and sales of the  Debentures in compliance  with the relevant
provisions  of  the  Securities  Act  and  the  Regulations  and  various  state
securities laws and regulations.

         6. All communications hereunder shall be in writing and, if sent to the
Placement  Agent shall be mailed or delivered  or  telecopied  and  confirmed in
writing to their address set forth on the first page hereof, Attention:  Bradley
Razook, and if sent to the Company, shall be mailed, delivered or telecopied and
confirmed in writing to the Company at 400 Centre Street, Newton,  Massachusetts
02158, Attention: Chief Operating Officer.

         7. This  Agreement  shall  inure to the benefit of and shall be binding
upon the Placement Agent, the Company and their respective  successors and legal
representatives,  and  nothing  expressed  or  mentioned  in this  Agreement  is
intended or shall be  construed  to give any other person any legal or equitable
right, remedy or claim under or in respect of this Agreement,  or any provisions
herein contained,  this Agreement and all conditions and provisions hereof being
intended to be and being for the sole and exclusive  benefit of such persons and
for the  benefit  of no other  person  except  that (i) the  indemnities  of the
Company  contained  in  Section  3(a) of this  Agreement  shall  also be for the
benefit of any person named  therein and (ii) the  indemnities  of the Placement
Agent  contained in Section 3(b) of this Agreement shall also be for the benefit
of the persons  named  therein.  No  purchaser of  Debentures  shall be deemed a
successor  because of such purchase.  This Agreement  shall not be assignable by
any party hereto without the prior written consent of the other party.

         8. THIS AGREEMENT SHALL BE GOVERNED BY AND CONSTRUED IN ACCORDANCE WITH
THE LAWS OF THE STATE OF NEW YORK,  WITHOUT REGARD TO PRINCIPLES OF CONFLICTS OF
LAWS.

         9. This Agreement may be executed in two or more counterparts,  each of
which shall be deemed an original,  but all of which together  shall  constitute
one and the same instrument.

         10. The Company and the Placement Agent each hereby  irrevocably  waive
any right they may have to a trial by jury in respect of any claim based upon or
arising out of this Agreement or the transactions contemplated hereby.


                                     - 19 -

<PAGE>



                  If the foregoing is in accord with your  understanding  of our
agreement,  please sign in the space  provided below and return a signed copy of
this letter to the Company.


                                            Sincerely,


                                            HEALTH AND RETIREMENT PROPERTIES
                                                                  TRUST



                                            By:
                                            Name:
                                            Title:


Accepted by:


NATIONAL WESTMINSTER BANK PLC,
NEW YORK BRANCH


By:

                                     - 20 -

<PAGE>


                                   SCHEDULE I

                                  Subsidiaries


1.       Church Creek Corporation, a Massachusetts corporation.

2.       Hub Properties Trust, a Maryland real estate investment trust.

3.       Causeway Holdings, Inc., a Massachusetts corporation.




                                     - 21 -




                                                                     EXHIBIT 4.1







                          FIRST SUPPLEMENTAL INDENTURE
                           Dated as of October 7, 1996

                                       to

                                    INDENTURE

                         Dated as of September 20, 1996

                                     between

                     HEALTH AND RETIREMENT PROPERTIES TRUST

                                       and

                               FLEET NATIONAL BANK

                                   as Trustee

                           __________________________


                    7.50% Convertible Subordinated Debentures
                               Due 2003, Series A

                           __________________________



                                                      

<PAGE>




                          FIRST SUPPLEMENTAL INDENTURE



         FIRST  SUPPLEMENTAL  INDENTURE,  dated  as of  October  7,  1996  (this
"Supplement"),  between Health and Retirement  Properties Trust, a Maryland real
estate  investment  trust (the  "Company"),  and Fleet  National  Bank, a United
States Bank, as trustee (the "Trustee"), to that certain Indenture,  dated as of
September 20, 1996, between the Company and the Trustee (the "Indenture").

         WHEREAS,  the parties  hereto have  entered  into the  Indenture  which
provides for the issuance by the Company of the individual  series of securities
thereunder,  upon the Company and Trustee entering into a supplemental indenture
to the Indenture authorizing such series; and

         WHEREAS,  the Company  wishes to issue its first  series of  securities
thereunder,  designated its 7.50% Convertible  Subordinated Debentures Due 2003,
Series A (the "Securities"); and

         WHEREAS,  all acts  necessary  to  constitute  this First  Supplemental
Indenture as a valid, binding and legal obligation of the Company have been done
and performed.

         NOW,  THEREFORE,  witnesseth that, in consideration of the premises and
of the covenants contained herein, it is hereby agreed as follows:

                                    ARTICLE 1

                   DEFINITIONS AND INCORPORATION BY REFERENCE

SECTION 1.1    Definitions.

         Solely for purposes of this Supplement, Section 101 of the Indenture is
hereby amended by inserting, in their appropriate  alphabetical locations,  each
of the following defined terms:

         "Agent"  means  any   Registrar,   Paying  Agent,   Conversion   Agent,
co-registrar or agent for service of notices and demands.

         "Capital Stock" means any and all shares or other equivalents  (however
designated)  of capital  stock,  including  all common  stock and all  preferred

                                       -1-

<PAGE>



stock, in the case of corporation, or partnership interests or other equivalents
(however designated) in the case of a partnership or common shares of beneficial
interest or other equivalents (however designated) in the case of a trust.

         "Closing  Price" means with  respect to the shares of Capital  Stock of
the Company on any day, (i) the reported last sale price regular way or, in case
no such  reported  sale takes  place on such day,  the  average of the  reported
closing bid and asked  prices  regular way, in either case on the New York Stock
Exchange,  or (ii) if the shares of Capital  Stock are not listed or admitted to
trading on the New York Stock Exchange, the reported last sale price regular way
or, in case no such  reported  sale takes place on such day,  the average of the
reported  closing  bid and asked  prices  regular  way,  in  either  case on the
principal national  securities exchange on which the shares of Capital Stock are
listed or admitted to trading,  or (iii) if the shares of Capital  Stock are not
listed or admitted to trading on any national securities  exchange,  the average
of the closing bid and asked prices as furnished by any New York Stock  Exchange
member firm selected from time to time by the Company for that purpose.

         "Common  Shares"  means  the  Company's  common  shares  of  beneficial
interest,  $.01 par value per share, or as such shares may be reconstituted from
time to time.

         "Default"  means any event which is, or after notice or passage of time
or both would be, an Event of Default.

         "Exchange Act" means the Securities Exchange Act of 1934, as amended.

         "Indebtedness" as applied to any Person,  means,  without  duplication:
(a) all liabilities and obligations, contingent or otherwise, of such Person (i)
in respect of borrowed  money  whether or not  evidenced by a  promissory  note,
draft or similar instrument (whether or not the recourse of the lender is to the
whole of the assets of such Person or only to a portion thereof); (ii) evidenced
by bonds, notes, debentures or similar instruments;  (iii) evidenced by a letter
of credit or reimbursement  obligation of such Person with respect to any letter
of credit; (iv) evidenced by bankers'  acceptances or similar instruments issued
or accepted by banks;  (v) for the payment of money relating to obligations with
respect to any lease that is properly  classified  as a  liability  on a balance
sheet in accordance  with generally  accepted  accounting  principles;  and (vi)
representing the balance deferred and unpaid for all or any part of the purchase


                                       -2-

<PAGE>



price of property or services  (except any such balance that  constitutes  (a) a
trade payable or an accrued liability arising in the ordinary course of business
or (b) a trade draft or note payable  issued in the ordinary  course of business
in connection  with the purchase of goods or services);  (b) all net obligations
of such Person under Interest Swap and Hedging Obligations;  (c) all liabilities
of others  described in the preceding  clauses (a) and (b) which such Person has
guaranteed or for which it is otherwise  liable and all obligations to purchase,
redeem or acquire any Capital Stock; and (d) any and all deferrals,  amendments,
renewals, extensions, supplements, refinancings or refundings (whether direct or
indirect) of any  liability  or  obligations  described in any of the  preceding
clauses (a), (b) or (c), or this clause (d), whether or not between or among the
same parties.

         "Interest  Swap and Hedging  Obligation"  means any  obligation  of any
person  pursuant  to  any  interest  rate  swap  agreement,  interest  rate  cap
agreement,  interest rate collar  agreement,  interest rate exchange  agreement,
currency  exchange  agreement or any other agreement or arrangement  designed to
protect against  fluctuations in interest rates or currency  values,  including,
without limitation, any arrangement whereby, directly or indirectly, such person
is  entitled  to  receive  from time to time  periodic  payments  calculated  by
applying either a fixed or floating rate of interest on a stated notional amount
in exchange for periodic  payments made by such person  calculated by applying a
fixed or floating rate of interest on the same notional amount.

         "Junior  Securities"  of any  Person  means any  Capital  Stock and any
Indebtedness of such Person that is (i)  subordinated in right of payment to the
Securities  and has no scheduled  installment  of principal  due, by redemption,
sinking fund  payment or  otherwise,  on or prior to the Stated  Maturity of the
Securities and (ii) subordinated in right of payment to all Senior  Indebtedness
at least to the same extent as the Securities.

         "Officer" means the President,  the Chief Operating  Officer,  any Vice
President,  the Treasurer, the Chief Financial Officer, any Assistant Treasurer,
the Secretary or any Assistant Secretary of the Company.

         "Securities Act" means the Securities Act of 1933, as amended from time
to time.

         "Securities" means the securities in the form of Exhibit A hereto.


                                       -3-

<PAGE>



         "Senior Indebtedness" means the principal,  premium, if any, and unpaid
interest  (including interest accruing on or after the filing of any petition in
bankruptcy or for reorganization  relating to the Company whether or not a claim
for  post-filing  interest  is  allowed  in  such  proceeding),  fees,  charges,
expenses,  reimbursement and indemnification  obligations, and all other amounts
payable under or in respect of (i) any  Indebtedness of the Company and (ii) any
and all deferrals,  renewals,  extensions,  refundings and refinancings (whether
direct or  indirect)  of any such  Indebtedness,  whether any such  Indebtedness
exists as of the date of this Indenture or shall hereafter be created, incurred,
assumed or guaranteed;  provided,  however,  that Senior  Indebtedness shall not
include (A) the Securities, (B) the Series B Debentures or the 7.25% Debentures,
(C)  Indebtedness  of the Company owed or owing to a Subsidiary  or any officer,
director, trustee or employee of the Company or any Subsidiary, (D) Indebtedness
of the  Company  which,  pursuant  to the terms of the  instrument  creating  or
evidencing such  Indebtedness,  is expressly made pari passu with or subordinate
in right of payment to the  Securities  or (E) any  liability  for taxes owed or
owing to the Company.

         "Series  B   Debentures"   means  the   Company's   7.50%   Convertible
Subordinated Debentures Due 2003, Series B, in the aggregate principal amount of
$149,500,000,  issued pursuant to a Second Supplemental  Indenture,  dated as of
October 7, 1996, between the Company and the Trustee.

         "7.25%  Debentures" means the Company's 7.25% Convertible  Subordinated
Debentures  Due 2001, in the aggregate  principal  amount of up to  $40,000,000,
issued pursuant to a Third Supplemental Indenture,  dated as of October 7, 1996,
between the Company and the Trustee.

         "Trust  Officer",  when  used with  respect  to the  Trustee,  means an
officer of the Trustee  customarily  performing  functions  in  corporate  trust
matters or any other  officer of the  Trustee  to whom such  matter is  referred
because of his knowledge of and familiarity with the particular subject.

SECTION 1.2    Incorporation by Reference to Trust Indenture Act.

         Solely for purposes of this Supplement, Article One of the Indenture is
hereby amended to add thereto the following:

         SECTION  114.  Incorporation  by  Reference  to  Trust  Indenture  Act.
Whenever  this  Indenture  refers to a provision  of the TIA,  the  provision is
incorporated  by reference in and made a part of this  Indenture.  The following
TIA terms used in this Indenture have the following meanings:

                                       -4-

<PAGE>



         "Commission" means the Securities and Exchange Commission.

         "indenture securities" means the Securities.

         "indenture security holder" means a Securityholder.

         "indenture to be qualified" means this Indenture.

         "indenture trustee" or "institutional trustee" means the
         Trustee.

         "obligor" on the indenture securities means the Company or
         any other obligor on the indenture securities.

         All other  terms used in this  Indenture  that are  defined by the TIA,
defined by TIA reference to another statute or defined by Commission  rules have
the meanings assigned to them therein.

                                    ARTICLE 2

                                 THE SECURITIES

SECTION 2.1    Form; Dating; Incorporation of Form in Indenture.

         In accordance  with Sections 201 and 301 of the Indenture,  there shall
be and is hereby authorized a single series of Securities  designated the "7.50%
Convertible  Subordinated  Debentures  Due 2003,  Series A" limited in aggregate
principal  amount  to  $80,500,000,  except  for  Securities  authenticated  and
delivered upon  registration  of transfer of, or in exchange for, or in lieu of,
other Securities pursuant to Sections 9.5 or 10.1 hereof or pursuant to Sections
304, 305, 306 or 1107 of the Indenture.

         Their  fixed  maturity  shall be October  1, 2003,  and they shall bear
interest at the rate per annum of 7.50%, from and including the date of issuance
thereof until maturity or earlier  redemption,  payable  semiannually on April 1
and October 1 commencing April 1, 1997,  until the principal  thereof is paid or
made available for payment.

         The  principal of and premium,  if any, and interest on the  Securities
shall be payable  at the  office or agency of the  Company in the City of Boston
maintained for such purpose and at any other office or agency  maintained by the


                                       -5-

<PAGE>


Company for such purpose;  provided,  however, that at the option of the Company
payment of  interest  may be made by check  mailed to the  address of the Person
entitled thereto as such address shall appear in the Security Register.

         The Securities shall be redeemable as provided in Article 3.

         The  Securities  shall be  subordinated  in right of  payment to Senior
Indebtedness, to the extent provided in Article 11 hereof.

         The Securities shall be convertible as provided in Article 10 hereof.

         The Securities and the Trustee's certificate of authentication shall be
substantially in the form of Exhibit A which is incorporated in and made part of
this  Supplement.  The Securities may have  notations,  legends or  endorsements
required  by law,  stock  exchange  rules,  agreements  to which the  Company is
subject,  or usage. The Company shall approve the form of the Securities and any
notation,  legend or endorsement on them.  Each Security shall be dated the date
of its authentication.

         The terms and provisions  contained in the Securities shall constitute,
and are  hereby  expressly  made,  a part of this  Supplement  and to the extent
applicable, the Company and the Trustee, by their execution and delivery of this
Supplement,  expressly  agree  to such  terms  and  provisions  and to be  bound
thereby.  The  Securities  shall be issuable  only in  registered  form  without
coupons.

SECTION 2.2 Registrar and Agents.

         The Company shall maintain an office or agency where  Securities may be
presented for registration of transfer or for exchange ("Registrar"),  an office
or agency where the Securities may be presented for payment ("Paying Agent"), an
office or agency where  Securities may be presented for conversion  ("Conversion
Agent") and an office or agency where notices and demands to or upon the Company
in respect of the  Securities and this  Supplement may be served.  The Registrar
shall keep a register of the Securities  (the "Security  Register") and of their
transfer and exchange.  The Company may have one or more co- registrars,  one or
more additional Paying Agents and one or more additional  Conversion Agents. The
Company or any Subsidiary may act as Paying Agent and/or  Conversion  Agent. The
term  "Paying  Agent"  includes  any  additional   paying  agent  and  the  term
"Conversion Agent" includes any additional conversion agent.


                                       -6-

<PAGE>



         The Company may change any Paying Agent, Registrar, Conversion Agent or
Co-Registrar  on sixty (60)  days'  prior  written  notice to the  Trustee.  The
Company  shall notify the Trustee in writing of the name and address of any such
Agent.  If the Company fails to maintain a Registrar,  Paying Agent,  Conversion
Agent  or  agent  for  service  of  notices  and  demands,  or fails to give the
foregoing notice, the Trustee shall act as such.

         The Company initially appoints the Trustee as Registrar,  Paying Agent,
Conversion Agent and agent for service of notices and demands.


SECTION 2.3 Paying Agent to Hold Money in Trust.

         On or before 11:00 a.m. (Boston time) on each due date of the principal
of,  premium if any, and interest on any  Securities,  the Company shall deposit
with each Paying Agent a sum sufficient to pay such principal,  premium, if any,
and interest so becoming  due. The Company shall require each Paying Agent other
than the Trustee to agree in writing  that it will hold in trust for the benefit
of Holders of the  Securities  or the Trustee all money held by the Paying Agent
for the payment of principal of,  premium if any, or interest on the  Securities
and to notify the Trustee of any default by the Company (or any other obligor on
the Securities) in making any such payment.  If the Company or a Subsidiary acts
as  Paying  Agent,  it shall on or  before  each due date of the  principal  of,
premium,  if any, or interest on any Securities  segregate the money and hold it
as a separate  trust fund. The Company at any time may require a Paying Agent to
pay all money held by it to the  Trustee  and the Trustee may at any time during
the continuance of any payment default,  upon written request to a Paying Agent,
require such Paying  Agent to  forthwith  pay to the Trustee all sums so held in
trust by such Paying  Agent.  Upon doing so, the Paying Agent (if other than the
Company or a Subsidiary thereof) shall have no further liability for the money.

SECTION 2.4 Outstanding Securities.

         Securities  outstanding  at any  time  are all  Securities  theretofore
authenticated  and  delivered  under  this  Supplement  except:  (a)  Securities
theretofore   canceled  by  the  Trustee  or   delivered   to  the  Trustee  for
cancellation;  and (b)  Securities  in  exchange  for or in lieu of which  other
Securities have been  authenticated  and delivered  pursuant to this Supplement,


                                       -7-

<PAGE>


other than any Securities in respect of which there shall have been presented to
the Trustee proof  satisfactory  to it that such  Securities  are held by a bona
fide  purchaser  in whose hands such  Securities  are valid  obligations  of the
Issuer;  provided,  that  in  determining  whether  the  Securityholders  of the
requisite principal amount of outstanding Securities are present at a meeting of
Securityholders  for quorum  purposes or have voted or taken or concurred in any
action  under this  Supplement,  including  the making of any  request,  demand,
authorization,  direction, notice, consent or waiver hereunder, Securities owned
by the Company or any other obligor upon the  Securities or any Affiliate of the
Company or such other obligor shall be disregarded  and deemed not  outstanding,
except that,  in  determining  whether the Trustee shall be protected in relying
upon any such  determination  as to the  presence  of a quorum  or upon any such
request,  demand,  authorization,  direction,  notice,  consent or waiver,  only
Securities  which a Trust Officer of the Trustee  actually  knows to be so owned
shall be disregarded.

         If a Security is replaced pursuant to Section 306 of the Indenture,  it
ceases to be outstanding  until the Trustee  receives proof  satisfactory  to it
that the replaced Security is held by a bona fide purchaser.

         If the Paying Agent (other than the Company or a Subsidiary) holds on a
Redemption  Date or maturity date money deposited with it by or on behalf of the
Company  sufficient  to pay the  principal  of,  premium,  if any,  and  accrued
interest on  Securities  payable on that date,  then on and after that date such
Securities cease to be outstanding and interest on them ceases to accrue.

         A Security does not cease to be  outstanding  because the Company or an
Affiliate holds the Security.

SECTION 2.5 Securityholder Lists.

         The  Trustee  shall  preserve  in as  current  a form as is  reasonably
practicable  the most recent list  available to it of the names and addresses of
Securityholders.  If the  Trustee  is not the  Registrar,  the  Registrar  shall
furnish to the Trustee at least  seven  Business  Days prior to each  semiannual
interest  payment  date and at such other times as the  Trustee  may  reasonably
request  in writing a list in such form and as of such date as the  Trustee  may
require of the names and addresses of Securityholders upon which the Trustee may
conclusively  rely.  The Trustee  may  destroy  any such list upon  receipt of a
replacement  list.  The Paying  Agent will solicit  from each  Securityholder  a
certification  of social  security number or taxpayer  identification  number in


                                       -8-

<PAGE>


accordance with its customary practice and as required by law, unless the Paying
Agent is in possession of such certification. Each Paying Agent is authorized to
impose   back-up   withholding   with   respect  to   payments  to  be  made  to
Securityholders to the extent required by law.

SECTION 2.6 CUSIP Number.

         The Company shall use a "CUSIP" number when issuing the Securities. The
Trustee  may use the CUSIP  number in notices of  redemption  or  exchange  as a
convenience to Securityholders;  provided that any such notice may state that no
representation  is made as to the  correctness  or accuracy of the CUSIP  number
printed in the notice or on the  Securities and that reliance may be placed only
on the other identification numbers printed on the Securities.

SECTION 2.7 Restrictions on Transfer.

         The Securities  shall be subject to certain  restrictions  on transfer,
set forth in Section 24 of the form of  Security  attached  hereto as Exhibit A.
The Security shall bear a legend substantially to the following effect:

                  IF  NECESSARY  TO EFFECT  COMPLIANCE  BY THE COMPANY  WITH THE
                  REQUIREMENTS  OF THE INTERNAL  REVENUE CODE 1986,  AS AMENDED,
                  RELATING TO REAL ESTATE  INVESTMENT  TRUSTS,  OWNERSHIP OF THE
                  SECURITY  REPRESENTED  HEREBY MAY BE RESTRICTED BY THE COMPANY
                  AND/OR THE  TRANSFER  HEREOF MAY BE  PROHIBITED,  AS SET FORTH
                  MORE FULLY ON THE REVERSE HEREOF.


                                    ARTICLE 3

                                   REDEMPTION

SECTION 3.1 Effect of Notice of Redemption.

         The  Securities  are subject to  redemption as provided in Section 3 of
the form of Security  attached hereto as Exhibit A. Once notice of redemption is
mailed,  Securities  called  for  redemption  become  due  and  payable  on  the
applicable  Redemption  Date  and  at  the  applicable  Redemption  Price.  Upon
surrender to the Paying Agent,  such Securities  shall be paid at the Redemption
Price, plus accrued interest to the Redemption Date.

                                       -9-

<PAGE>




                                    ARTICLE 4

                                    COVENANTS

SECTION 4.1 Payment of the Securities.

         Section 1001 of the Indenture is hereby  amended by adding  thereto the
following:

         The Company  shall pay interest on overdue  principal  and premium,  if
any,  at the  rate  borne by the  Security;  it shall  pay  interest,  including
post-petition interest in the event of a proceeding under any Bankruptcy Law, on
overdue installments of interest at the same rate to the extent lawful.

SECTION 4.2 Notice of Default.

         Article Ten of the  Indenture is hereby  amended by adding  thereto the
following:

         SECTION  1009.  Notice of  Default.  The Company  will,  so long as any
Securities are outstanding,  deliver to the Trustee,  within 10 days of becoming
aware of any  Default or Event of Default in the  performance  of any  covenant,
agreement or condition in this Indenture,  an Officers'  Certificate  specifying
such  Default or Event of  Default,  the period of  existence  thereof  and what
action the Company is taking or proposes to take with respect thereto.


SECTION 4.3 Limitation on Dividends and Other Distributions.

         Article Ten of the  Indenture is hereby  amended by adding  thereto the
following:

         SECTION  1010.  Limitation on Dividends  and Other  Distributions.  The
Company will not (i) declare or pay any dividend of make any distribution on its
shares of Common Shares or to holders of Common Shares (other than  dividends or
distributions  payable in Common Shares or other than as the Company  determines
in good faith is  necessary  to  maintain  its  qualification  as a real  estate
investment trust under the Code) or (ii) purchase,  redeem or otherwise  acquire
or retire for value any of its Common  Shares,  if at the time of such action an
Event of Default has occurred and is continuing or would exist immediately after
such action.  Notwithstanding the foregoing, the provisions of this Section 1010
will not prevent (i) the payment of any  dividend  within 60 days after the date


                                      -10-

<PAGE>


of declaration when the payment would have complied with the foregoing provision
on the date of  declaration,  or (ii)  the  Company's  retirement  of any of its
Common  Shares by  exchange  for, or out of the  proceeds  of the  substantially
concurrent sale of, other Common Shares.

                                    ARTICLE 5

                                    RESERVED

                                    ARTICLE 6

                              DEFAULTS AND REMEDIES

SECTION 6.1 Events of Default.

         (a)  Solely  for  purposes  of  this  Supplement,  Section  501  of the
Indenture  is hereby  amended by  deleting  paragraphs  (1) and (2)  thereof and
replacing said paragraphs in their entirety with the following:

                  (1) default in the payment of any  installment  interest  upon
         any Security or any 7.25% Debenture or any installment of interest upon
         or any Additional  Amounts payable in respect of any Series B Debenture
         or of any coupon appertaining thereto,  when such interest,  Additional
         Amounts or coupon  becomes due and  payable,  and  continuance  of such
         default for a period of 30 days; or

                  (2) default in the payment of the principal of (or premium, if
         any, on) any Security or any 7.25%  Debenture or any Series B Debenture
         when it becomes due and payable at its Maturity; or

         (b)  Solely  for  purposes  of  this  Supplement,  Section  501  of the
Indenture is hereby amended by deleting paragraph (3) thereof.

         (c)  Solely  for  purposes  of  this  Supplement,  Section  501  of the
Indenture is hereby  amended by deleting  paragraph (8) thereof and replacing it
with the following:

                  (8) the failure by the Company to perform  any  conversion  of
         the  Securities or any 7.25%  Debenture or the Series B Debentures  and
         the continuance of such failure for a period of 60 days;


                                      -11-

<PAGE>




SECTION 6.2 Rights of Holders to Receive Payment.

         Section  508 of the  Indenture  is hereby  amended to add  thereto  the
following:

         Notwithstanding any other provision of this Indenture, the right of any
Holder  of any  Security  to  convert  such  Security  or to bring  suit for the
enforcement of such right shall not be impaired or affected  without the written
consent of the Holder.

                                    ARTICLE 7

                                     TRUSTEE

SECTION 7.1 Duties of Trustee.

         Article Six of the  Indenture is hereby  amended by adding  thereto the
following:

         SECTION 612.  Duties of Trustee.

         (1) The duties and responsibilities of the Trustee shall be as provided
by the TIA. If an Event of Default has occurred and is  continuing,  the Trustee
shall  exercise its rights and powers vested in it by this Indenture and use the
same  degree  of care and skill in their  exercise  as a  prudent  Person  would
exercise or use under the circumstances in the conduct of his own affairs.

         (2) Except during the  continuance of an Event of Default and after the
curing or waiving of all such Events of Default which may have occurred:

                  (a) The  Trustee  need  perform  only  those  duties  that are
         specifically set forth in this Indenture,  and the Trustee shall not be
         liable except for the  performance  of such duties as are  specifically
         set forth in this Indenture, and no others, and no implied covenants or
         obligation shall be read into this Indenture against the Trustee.

                  (b) In the  absence of bad faith on its part,  the Trustee may
         conclusively   rely,  as  to  the  truth  of  the  statements  and  the
         correctness  of the opinions  expressed  therein,  upon any  statements
         certificates or opinions furnished to the Trustee and conforming to the
         requirements of this Indenture. The Trustee, however, shall examine the
         certificates  and opinions to determine  whether or not they conform to
         the requirements of this Indenture.

                                      -12-

<PAGE>



         (3)  The  Trustee  may  not be  relieved  from  liability  for  its own
negligent  action,  its  own  negligent  failure  to  act,  or its  own  willful
misconduct, except that:

                  (a) This  paragraph does not limit the effect of paragraph (2)
         of this Section 612.

                  (b) The Trustee  shall not be liable for any error in judgment
         made in good  faith by a Trust  Officer,  unless it is proved  that the
         Trustee was negligent in ascertaining the pertinent facts.

                  (c) The Trustee shall not be liable with respect to any action
         it takes or omits to take in good faith in accordance  with a direction
         received by it pursuant to Section 512.

                  (d) No provision of this  Indenture  shall require the Trustee
         to  expend  or risk its own  funds or  otherwise  incur  any  financial
         liability in the  performance of any of its duties  hereunder or in the
         exercise  of any of its rights or powers,  if it shall have  reasonable
         grounds  for  believing  that  repayment  of  such  funds  or  adequate
         indemnity  against such risk or liability is not reasonably  assured to
         it.

         (4) Every  provision of this  Indenture  that in any way relates to the
Trustee is subject to paragraphs  (1), (2), (3), (5) and (6) of this Section 612
and subject to Sections 315 and 316 of the TIA.

         (5) Subject to  subsection  (3),  the Trustee may refuse to perform any
duty or exercise any right or power  unless,  subject to the  provisions  of the
TIA,  it receives  indemnity  satisfactory  to it against  any loss,  liability,
expense or fee.

         (6) The Trustee shall not be liable for interest on any money  received
by it.  Money held in trust by the  Trustee  need not be  segregated  from other
funds except to the extent required by law.

SECTION 7.2 Eligibility; Disqualification.

         Section 607 of the  Indenture is hereby  amended by adding  thereto the
following:

         The Trustee  shall comply with TIA ss.  310(b),  including the optional
provision permitted by the second sentence of TIA ss. 310(b)(9).

                                      -13-

<PAGE>




SECTION 7.3 Preferential Collection of Claims Against Company.

         The  Trustee is  subject  to TIA ss.  311(a),  excluding  any  creditor
relationship  listed in TIA ss.  311(b).  A  Trustee  who has  resigned  or been
removed shall be subject to TIA ss. 311(a) to the extent indicated therein.


                                    ARTICLE 8

                     SATISFACTION AND DISCHARGE OF INDENTURE

SECTION 8.1 Defeasance of the Securities.

         The provisions  for defeasance of the Securities  under Section 1402 of
the Indenture and for covenant  defeasance of the Securities  under Section 1403
of the Indenture and all related provisions of Article 14 of the Indenture shall
apply with respect to the Securities.

                                    ARTICLE 9

                             AMENDMENTS AND WAIVERS

SECTION 9.1 Amendments and Waivers with Consent of Holders.

         Section  902 of the  Indenture  is hereby  amended to add  thereto  the
following:

         With the written  consent of the Holders of not less than a majority in
aggregate  principal  amount  of the  Securities  at the time  outstanding,  the
Company,  when  authorized  by Board  Resolution,  and the  Trustee may amend or
supplement  this  Indenture  (any such  amendment or  supplement to be in a form
satisfactory  to the  Trustee) or the  Securities  for the purpose of adding any
provisions to or changing in any manner or eliminating  any of the provisions of
this  Indenture or of any  supplemental  indenture or of modifying in any manner
the  rights of the  Holders of the  Securities.  The  Holders  of a majority  in
principal  amount of the Securities then  outstanding may waive  compliance in a
particular  instance by the Company with any provision of this  Indenture or the
Securities without notice to any Securityholder. Subject to Section 904, without
the  consent of each  Holder of  Securities  affected,  however,  an  amendment,
supplement or waiver, may not:

                  (1) make any change in Section 508 of this Indenture;

                                      -14-

<PAGE>


                  (2)  make any  change  that  adversely  affects  the  right to
         convert any Security; or

                  (3) make any change in  Article  11 of the First  Supplemental
         Indenture,  dated as of October 7, 1996,  which  adversely  affects the
         rights of any Securityholder.

SECTION 9.2 Revocation and Effect of Consents.

         Section 904 of the  Indenture is hereby  amended by adding  thereto the
following:

         Subject  to  this  Indenture,  each  amendment,  supplement  or  waiver
evidencing  other action shall become  effective in  accordance  with its terms.
Until an amendment, supplement or waiver becomes effective, a consent to it by a
Holder of a Security is a  continuing  consent by the Holder even if notation of
the consent is not made on any Security.  Any such Holder or subsequent  Holder,
however, may revoke the consent as to his Security or portion of a Security,  if
the Trustee  receives the notice of  revocation  before the date the  amendment,
waiver or other action becomes effective.

         The Company may,  but shall not be obligated  to, fix a record date for
the purpose of  determining  the Holders  entitled to consent to any  amendment,
supplement  or  waiver.  If a record  date is fixed,  then  notwithstanding  the
provisions  of the  immediately  preceding  paragraph,  those  Persons  who were
Holders at such record date (or their duly  designated  proxies)  and only those
Persons, shall be entitled to consent to such amendment, supplement or waiver or
to revoke any consent previously given,  whether or not such Persons continue to
be Holders  after such record date.  No consent  shall be valid or effective for
more than 90 days after such  record  date unless  consent  from  Holders of the
principal  amount of Securities  then  outstanding  required  hereunder for such
amendment,  supplement or waiver to be effective  shall have also been given and
not revoked within such 90-day period.

         After an amendment, waiver or other action becomes effective,  pursuant
to  Section  901 or 902,  as the case may be, it shall  bind  every  Holder of a
Security.


                                      -15-

<PAGE>



                                   ARTICLE 10

                            CONVERSION OF SECURITIES

SECTION 10.1 Right of Conversion; Conversion Price.

         Subject to the provisions of Section 7 of the Securities, the Holder of
any Security or Securities shall have the right, at such Holder's option, at any
time before the close of business on October 1, 2003 (except that,  with respect
to any Security or portion of a Security  which shall be called for  redemption,
such right shall  terminate at the close of business on the second  Business Day
preceding the  Redemption  Date fixed for redemption of such Security or portion
of a Security  unless the Company shall  default in payment due upon  redemption
thereof),  to convert,  subject to the terms and  provisions of this Article 10,
the principal of any such Security or Securities or any portion thereof which is
$1,000  principal  amount or an integral  multiple  thereof  into Common  Shares
initially at the conversion  price per share of $18.00 or, in case an adjustment
of such price has taken place pursuant to the  provisions of Section 10.4,  then
at the price as last adjusted  (such price or adjusted  price being  referred to
herein as the "conversion price"), upon surrender of the Security or Securities,
the principal of which is so to be converted,  accompanied  by written notice of
conversion  duly  executed,  to the Company,  at any time during usual  business
hours at the office or agency  maintained  by it for such  purpose,  and,  if so
required  by  the  Conversion  Agent  or  Registrar,  accompanied  by a  written
instrument or  instruments  of transfer in form  satisfactory  to the Conversion
Agent  or  Registrar  duly  executed  by  the  Holder  or  his  duly  authorized
representative in writing. For convenience, the conversion of any portion of the
principal  of any  Security  or  Securities  into Common  Shares is  hereinafter
sometimes referred to as the conversion of such Security or Securities.

SECTION 10.2 Issuance of Shares on Conversion.

         As promptly as practicable after the surrender,  as herein provided, of
any Security or Securities for conversion, the Company shall deliver or cause to
be delivered at its said office or agency,  to or upon the written  order of the
Holder of the Security or Securities so surrendered,  certificates  representing
the  number of fully  paid and  nonassessable  Common  Shares  into  which  such
Security or  Securities  may be converted in accordance  with the  provisions of
this  Article  10. Such  conversion  shall be deemed to have been made as of the
close of business on the date that such Security or  Securities  shall have been


                                      -16-

<PAGE>


surrendered  for  conversion  by  delivery  thereof  with a  written  notice  of
conversion  duly executed,  so that the rights of the Holder of such Security or
Securities  as a  Securityholder  shall  cease at such time and,  subject to the
following  provisions  of this  paragraph,  the  Person or Persons  entitled  to
receive the Common Shares upon  conversion of such Security or Securities  shall
be treated  for all  purposes as having  become the record  holder or holders of
such Common Shares at such time and such  conversion  shall be at the conversion
price in effect at such time; provided,  however,  that no such surrender on any
date when the  stock  transfer  books of the  Company  shall be closed  shall be
effective  to  constitute  the Person or Persons  entitled to receive the Common
Shares  upon such  conversion  as the record  holder or  holders of such  Common
Shares on such date,  but such  surrender  shall be effective to constitute  the
Person or Persons entitled to receive such Common Shares as the record holder or
holders thereof for all purposes at the close of business on the next succeeding
day on which such stock transfer books are open; and provided,  further, that in
such event such  conversion  shall be at the  conversion  price in effect on the
date that such Security or Securities shall have been surrendered for conversion
by delivery thereof,  as if the stock transfer books of the Company had not been
closed.  The  Company  shall  give or cause to be given to the  Trustee  written
notice whenever the stock transfer books of the Company shall be closed.

         Upon  Conversion of any Security  which is converted in part only,  the
Company shall execute and the Trustee  shall  authenticate  and deliver to or on
the order of the Holder thereof,  at the expense of the Company,  a new Security
or  Securities  of  authorized  denominations  in principal  amount equal to the
unconverted portion of such Security.

SECTION 10.3 No Adjustment for Interest or Dividends.

         No payment or  adjustment  in respect of interest on the  Securities or
dividends on the Common Shares shall be made upon the conversion of any Security
or  Securities;  provided,  however,  that if a Security or any portion  thereof
shall be converted  subsequent to any regular record date and on or prior to the
next succeeding interest payment date, the interest falling due on such interest
payment date shall be payable on such interest payment date notwithstanding such
conversion,  and such interest  (whether or not punctually paid or duly provided
for) shall be paid to the Person in whose name such  Security is  registered  at
the close of business on such regular record date and Securities surrendered for
conversion  during the period from the close of  business on any regular  record


                                      -17-

<PAGE>


date to the opening of business on the corresponding  interest payment date must
be  accompanied  by payment of an amount equal to the  interest  payable on such
interest payment date,  unless such interest payment date is October 1, 1999, in
which case such payment in respect of interest is not required to accompany  any
such Security.

SECTION 10.4 Adjustment of Conversion Price.

         (1) In  case  the  Company  shall  pay  or  make a  dividend  or  other
distribution on any class of Capital Stock of the Company in Common Shares,  the
conversion  price in effect at the opening of business on the day  following the
date fixed for the  determination  of  shareholders  entitled  to  receive  such
dividend or other distribution shall be reduced so that the same shall equal the
price determined by multiplying such conversion price by a fraction of which the
numerator  shall be the  number of  Common  Shares  outstanding  at the close of
business on the date fixed for such  determination  and the denominator shall be
the sum of such  number of shares  and the total  number of shares  constituting
such  dividend  or other  distribution,  such  adjustment  to  become  effective
immediately  after the opening of business on the day  following  the date fixed
for such determination and in the event that such dividend or other distribution
is not so made, or is made in part, the conversion price shall again be adjusted
to be the conversion price which would then be in effect (i) if such record date
has not been fixed or (ii) based on the actual number of shares actually issued,
as the case may be.

         (2) In case at any time the Company shall (A) subdivide its outstanding
Common  Shares into a greater  number of shares,  (B)  combine  its  outstanding
Common Shares into a smaller number of shares, or (C) issue by  reclassification
of its Common Shares (including any such  reclassification  in connection with a
consolidation or merger in which the Company is the continuing  corporation) any
shares of Capital Stock, the conversion price in effect at the effective date of
such  subdivision,  combination  or  reclassification  shall be  proportionately
adjusted so that the holder of any Security  surrendered  for  conversion  after
such time shall be entitled to receive the  aggregate  number and kind of shares
which,  if such Security had been converted  immediately  prior to such time, he
would have owned upon such  conversion  and been  entitled to receive  upon such
subdivision,  combination  or  reclassification.  Such  adjustment  shall become
effective immediately after the effective date of such subdivision,  combination
or  reclassification.  Such adjustment shall be made  successively  whenever any
event listed above shall occur.


                                      -18-

<PAGE>



         (3) In case at any time the  Company  shall  fix a record  date for the
issuance of rights,  options or  warrants  to all  holders of its Common  Shares
entitling  them to  subscribe  for or  purchase  Common  Shares  (or  securities
convertible  into  Common  Shares)  at a price per share  less than the  current
market  price per Common  Share on such record  date,  the  conversion  price in
effect at the opening of business on the day following such record date shall be
reduced so that the same shall equal the price  determined by  multiplying  such
conversion  price by a fraction  of which the  numerator  shall be the number of
Common Shares  outstanding at the close of business on such record date plus the
number of Common Shares (or its equivalent)  which the aggregate of the offering
price of the total  number of shares so offered  for  subscription  or  purchase
would purchase at such current market price per Common Share and the denominator
shall be the number of Common  Shares  outstanding  at the close of  business on
such record date plus the number of Common Shares (or its equivalent) so offered
for  subscription or purchase,  such reduction to become  effective  immediately
after the opening of business on the day following  such record date;  provided,
however,  that no adjustment to the  conversion  price shall be made pursuant to
this Section  10.4(3) if the holders of Securities  receive,  or are entitled to
receive upon  conversion or otherwise,  the same rights,  options or warrants as
are issued to the holders of Common Shares,  on the same terms and conditions as
such rights,  options or warrants are so issued to the holders of Common Shares.
Such reduction shall be made successively  whenever such a record date is fixed;
and in the event that such rights, options or warrants are not so issued, or are
issued in part, or are issued but all or part of which expire  unexercised,  the
conversion  price shall again be adjusted to be the conversion price which would
then be in effect  (i) if such  record  date had not been fixed or (ii) based on
the actual number of rights,  options or warrants  actually issued,  as the case
may be.

         (4) In case at any time the  Company  shall  fix a record  date for the
making of a distribution, by dividend or otherwise, to all holders of its Common
Shares,  of shares of beneficial  interest in  Hospitality  Properties  Trust, a
Maryland  real  estate  investment  trust  ("HPT"),  then in each  such case the
conversion  price in effect  after  such  record  date  shall be  determined  by
multiplying the conversion price in effect immediately prior to such record date
by a fraction,  of which the numerator  shall be the total number of outstanding
Common Shares  multiplied  by the current  market price per Common Share on such
record date,  less the fair market value (as  determined by a Board  Resolution,
whose  determination shall be conclusive and described in a statement filed with


                                      -19-

<PAGE>


the Trustee) of the shares of beneficial  interest in HPT so to be  distributed,
and of which the  denominator  shall be the total number of  outstanding  Common
Shares multiplied by such current market price per Common Share. Such adjustment
shall be made successively whenever such a record date is fixed and shall become
effective   immediately   after  the  record  date  for  the   determination  of
stockholders  entitled to receive the  distribution;  and in the event that such
distribution is not so made, the conversion  price shall again be adjusted to be
the  conversion  price which would then be in effect if such record date has not
been fixed.

         (5) For the purpose of any computation under paragraphs (3) and (4) for
this  Section,  the current  market  price per share of Common Stock on any date
shall be deemed to be the average of the Closing  Prices for the 15  consecutive
Business Days selected by the Company  commencing  not more than 30 and not less
than 20 Business Days before the date in question.

         (6) No adjustment in the conversion price shall be required unless such
adjustment (plus any adjustments not previously made by reason of this paragraph
(6))  would  require  an  increase  or  decrease  of at least 1% in such  price;
provided,  however,  that any adjustments  which by reason of this paragraph (6)
are not  required to be made shall be carried  forward and taken into account in
any subsequent  adjustment.  All calculations  under this paragraph (6) shall be
made to the nearest cent.

         (7) The Company may, but shall not be required to, make such reductions
in the  conversion  price,  in addition to those required by paragraph (1), (2),
(3) and (4) of this Section 10.4 as the Company's  Board of Directors  considers
to be  advisable  in order to avoid or diminish any income tax to any holders of
shares of Common Stock  resulting from any dividend or  distribution of stock or
issuance of rights or warrants  to purchase or  subscribe  for stock or from any
event  treated as such for income tax  purposes  or for any other  reasons.  The
Board of Directors  shall have the power to resolve any ambiguity or correct any
error in the  adjustments  made pursuant to this Section 10.4 and its actions in
so doing shall be final and conclusive.


                                      -20-

<PAGE>



         (8) The  adjustments  provided  for in this  Section 10.4 shall be made
successively whenever any event listed above shall occur.

SECTION 10.5 Notice of Adjustment of Conversion Price.

         Whenever the conversion  price for the Securities is adjusted as herein
provided:

                  (1) the Company shall compute the adjusted conversion price in
         accordance with Section 10.4 and shall prepare an Officers' Certificate
         setting forth the adjusted  conversion  price and showing in reasonable
         detail  the  facts  upon  which  such   adjustment  is  based  and  the
         computation  thereof,  and such certificate shall forthwith be filed at
         each office or agency  maintained  for the purpose of conversion of the
         Securities pursuant to Section 2.4 and with the Trustee; and

                  (2) a  notice  stating  that  the  conversion  price  has been
         adjusted and setting forth the adjusted  conversion price shall as soon
         as  practicable  be  mailed  by  the  Company  to  all  Holders  of the
         Securities at their last addresses as they shall appear in the Security
         Register.

                  (3) If the conversion  price is adjusted and the Company fails
         to file an  Officers'  Certificate  with the  Trustee  as  provided  by
         Section 10.5(1) and the Trustee is acting as the Conversion  Agent, the
         Trustee shall be entitled to rely  conclusively on the conversion price
         set forth in the Officer's  Certificate  most recently  received by the
         Trustee (or as set forth in the  Securities  and this  Indenture if the
         conversion price shall not have been adjusted).

SECTION 10.6 Notice of Certain Corporate Action.

         (1)  In case:

                  (a) the Company shall authorize the granting to holders of its
         Common Shares of rights or warrants  entitling them to subscribe for or
         purchase  any  shares  of  Capital  Stock of any  class or of any other
         rights; or

                  (b)  of  any  reclassification  of the  Common  Shares  of the
         Company,  or of any  distribution  of any assets of the  Company to the
         holders  of its Common  Shares,  or of any  consolidation  or merger to
         which the Company is a party and for which approval of any shareholders
         of the  Company  is  required,  or of the  sale or  transfer  of all or
         substantially all of the assets of the Company; or

                                      -21-

<PAGE>



         

                  (c) of the voluntary or involuntary  dissolution,  liquidation
         or winding up of the Company;

then the Company shall cause to be filed at each office or agency maintained for
the purpose of  conversion of the  Securities  pursuant to Section 2.2 and shall
cause to be mailed to the  Trustee and all  Holders of the  Securities  at their
last addresses as they shall appear in the Security  Register,  at least 20 days
(or 10 days in any case  specified  in  clause  (a) or (b)  above)  prior to the
applicable record date hereinafter  specified,  a notice stating (x) the date on
which a record is to be taken for the  purpose of such  dividend,  distribution,
rights or warrants, or, if a record is not to be taken, the date as of which the
Holders  of  Common   Shares  of  record  to  be  entitled  to  such   dividend,
distribution,  rights or warrants are to be determined, or (y) the date on which
such  reclassification,  consolidation,  merger,  sale,  transfer,  dissolution,
liquidation  or winding up is expected to become  effective,  and the date as of
which it is expected  that holders of Common  Shares of record shall be entitled
to  exchange  their  Common  Shares  for  securities,  cash  or  other  property
deliverable upon such reclassification,  consolidation,  merger, sale, transfer,
dissolution,  liquidation  or winding up. Such notice  shall also state  whether
such  transaction  will  result  in  any  adjustment  in  the  conversion  price
applicable  to the  Securities  and,  if  so,  shall  state  what  the  adjusted
conversion price will be and when it will become effective.  Neither the failure
to give the notice  required by this  Section,  nor any defect  therein,  to any
particular  Holder shall affect the sufficiency of the notice or the legality or
validity of any such dividend, distribution,  right, warrant,  reclassification,
consolidation,  merger, sale, transfer, liquidation,  dissolution or winding-up,
or the vote on any action authorizing such with respect to the other holders.

         (2) In case the Company or any  Affiliate of the Company  shall propose
to engage in a "Rule  13e-3  Transaction"  as defined in the  Commission's  Rule
13e-3 under the Exchange Act, the Company shall, no later than the date on which
any information with respect to such Rule 13e-3 Transaction is first required to
be given to the  Commission  or any other  Person  pursuant  to such Rule 13e-3,
cause to be mailed to all Holders at their last  addresses  as they shall appear
in the Security Register,  a copy of all information required to be given to the
holders  of the  Company's  Capital  Stock  pursuant  to such  Rule  13e-3.  The


                                      -22-

<PAGE>


information  required to be given under this  paragraph  shall be in addition to
and not in lieu of any other  information  required  to be given by the  Company
pursuant to this Section 10.6 or any other  provision of the  Securities or this
Indenture.

SECTION 10.7 Taxes on Conversions.

         The  Company  will pay any and all stamp or  similar  taxes that may be
payable in respect of the issuance or delivery of Common Shares on conversion of
the Securities  pursuant hereto. The Company shall not, however,  be required to
pay any tax which may be  payable in respect  of any  transfer  involved  in the
issuance and  delivery of Common  Shares in a name other than that of the Holder
of the Security or Securities to be converted,  and no such issuance or delivery
shall be made unless and until the Person  requesting  such issuance has paid to
the Company the amount of any such tax, or has  established to the  satisfaction
of the Company that such tax has been paid.

SECTION 10.8 Fractional Shares.

         No fractional shares or scrip  representing  fractional shares shall be
issued upon any  conversion  of the  Securities.  If any such  conversion  would
otherwise  require the  issuance of a  fractional  share an amount equal to such
fraction  multiplied by the current market price per Common Share (determined as
provided in paragraph  (5) of Section  10.4) on the day of  conversion  shall be
paid to the Holder in cash by the Company.

SECTION 10.9 Cancellation of Converted Securities.

         All  Securities  delivered  for  conversion  shall be  delivered to the
Trustee or the  Conversion  Agent to be canceled by or at the  direction  of the
Trustee or the Conversion Agent,  which shall dispose of the same as provided in
Section 309 of the Indenture.

SECTION 10.10 Provisions in Case of Consolidation, Merger or Sale of Assets.

         (1) In case of any  consolidation of the Company with, or merger of the
Company into,  any Person,  or in case of any merger of another  Person into the
Company  (other  than a  consolidation  or merger  which  does not result in any
reclassification,  conversion,  exchange or cancellation  of outstanding  Common
Shares),  or in case of any sale or transfer of all or substantially  all of the
assets of the Company, the Person formed by such consolidation or resulting from
such merger or which acquires such assets, as the case may be, shall execute and
deliver to the Trustee a  supplemental  indenture  providing  that the Holder of


                                      -23-

<PAGE>


each  Security  then  outstanding  shall have the right  thereafter,  during the
period such  Security  shall be  convertible  as  specified  in Section  10.1 to
convert  such  Security  only into the kind and amount of  securities,  cash and
other property receivable upon such consolidation, merger, sale or transfer by a
holder of the number of Common Shares into which such  Security  might have been
converted  immediately prior to such  consolidation,  merger,  sale or transfer.
Such  supplemental  indenture  shall provide for adjustments  which,  for events
subsequent to the effective  date of such  supplemental  indenture,  shall be as
nearly equivalent as may be practicable to the adjustments  provided for in this
Article 10. The above  provisions of this Section 10.10 shall similarly apply to
successive consolidations, mergers, sales or transfers.

         (2) The Trustee shall not be under any  responsibility to determine the
correctness  of any  provisions  contained  in any such  supplemental  indenture
relating  either  to the kind or amount  of  shares  of stock or  securities  or
property receivable by Holders upon the conversion of their Securities after any
such reclassification,  change, consolidation,  merger, sale or conveyance or to
any adjustment to be made with respect thereto.

SECTION 10.11 Disclaimer by Trustee of Responsibility for Certain Matters.

         The Trustee and each  Conversion  Agent  (other than the Company or any
Subsidiary)  shall  not at any time be under any duty or  responsibility  to any
Holder of the Securities to determine  whether any facts exist which may require
any adjustment of the conversion  price,  how it should be calculated or what it
should be, or with respect to the nature or extent of any such  adjustment  when
made, or with respect to the method  employed,  or herein or in any supplemental
indenture  provided  to be  employed,  in making the same.  The Trustee and each
Conversion  Agent  (other  than the  Company  or any  Subsidiary)  shall  not be
accountable  with respect to the validity,  value,  kind or amount of any Common
Shares,  or of any  securities  or property,  which may at any time be issued or
delivered  upon the conversion of any Security;  and it makes no  representation
with  respect  thereto.  The Trustee and each  Conversion  Agent (other than the
Company  or any  Subsidiary)  shall not be  responsible  for any  failure of the
Company to issue, transfer or deliver any Common Shares or share certificates or
other  securities or property upon the surrender of any Security for the purpose
of conversion or, subject to Section 7.1, to comply with any of the covenants of
the Company contained in this Article 10.

                                      -24-

<PAGE>




SECTION 10.12 Covenant to Reserve Shares.

         The  Company  covenants  that it will at all  times  reserve  and  keep
available,  free from preemptive  rights,  out of its authorized  Common Shares,
solely for the purpose of issuance upon  conversion of the  Securities as herein
provided,  such  number of  Common  Shares as shall  then be  issuable  upon the
conversion of all outstanding Securities.  The Company covenants that all Common
Shares which shall be so issuable shall be, when issued, duly and validly issued
and fully paid and  non-assessable.  For  purposes of this  Section  10.12,  the
number of Common Shares which shall be  deliverable  upon the  conversion of all
outstanding  Securities  shall be computed as if at the time of computation  all
outstanding Securities were held by a single holder.

                                   ARTICLE 11

                                  SUBORDINATION

SECTION 11.1 Securities Subordinated to Senior Indebtedness.

         The Company and each Holder,  by its  acceptance of  Securities,  agree
that (a) the payment of the principal of and interest on the  Securities and (b)
any other  payment  in respect of the  Securities,  including  on account of the
acquisition or redemption of the Securities by the Company is  subordinated,  to
the extent and in the manner  provided in this Article 11, to the prior  payment
in full of all Senior Indebtedness of the Company,  and all other Obligations in
respect  thereof,  whether  outstanding  at  the  date  of  this  Supplement  or
thereafter   created,   incurred,   assumed  or   guaranteed,   and  that  these
subordination   provisions  are  for  the  benefit  of  the  holders  of  Senior
Indebtedness.

         This Article 11 shall constitute a continuing offer to all Persons who,
in reliance upon such provisions, become holders of, or continue to hold, Senior
Indebtedness,  and such  provisions  are made for the  benefit of the holders of
Senior Indebtedness, and such holders are made obligees hereunder and any one or
more of them may enforce such provisions.

         To the  extent  any  provision  of  this  Article  11  conflicts  or is
inconsistent  with any other provision of the Indenture or this Supplement,  the
provisions of this Article 11 shall govern and supersede  such  inconsistent  or
conflicting provision.


                                      -25-

<PAGE>



SECTION 11.2 No Payment on Securities in Certain Circumstances.

         (a) No payment may be made by the  Company on account of the  principal
of, premium, if any, interest on the Securities, or to acquire or repurchase any
of the  Securities  for  cash  or  property,  or on  account  of the  redemption
provisions of the Securities,  in each case other than payments made with Junior
Securities of the Company,  (i) upon the maturity of any Senior  Indebtedness of
the Company by lapse of time, acceleration (unless waived) or otherwise,  unless
and until all  principal  of,  premium,  if any,  and  interest  on such  Senior
Indebtedness  and all other  [Obligations]  in respect thereof are first paid in
full (or such payment is duly provided  for), or (ii) in the event of default in
the payment of any principal of,  premium,  if any, or interest on, or any other
Obligation in respect of, any Senior Indebtedness of the Company when it becomes
due and  payable,  whether at maturity or at a date fixed for  prepayment  or by
declaration  or otherwise (a "Payment  Default"),  unless and until such Payment
Default has been cured or waived by the holders of such Senior  Indebtedness  or
otherwise has ceased to exist.

         (b) Upon (i) the happening of an event of default (other than a Payment
Default)  that  permits  the  holders  of  any  Senior   Indebtedness  or  their
representative immediately to accelerate its maturity and (ii) either such event
of default shall be the subject of a judicial  proceeding  or written  notice of
such event of default  given to the  Company  by the  requisite  holders of such
Senior Indebtedness or their  representative (a "Payment Notice"),  then, unless
and until  such  event of  default  has been  cured or  waived by the  requisite
holders of such Senior Indebtedness or otherwise has ceased to exist, no payment
(by set-off or otherwise)  may be made by or on behalf of the Company on account
of the principal of, premium, if any, interest on the Securities,  or to acquire
or repurchase any of the  Securities for cash or property,  or on account of the
redemption  provisions of the  Securities,  in any such case other than payments
made with Junior Securities of the Company.

         (c) In  furtherance  of the  provisions  of Section  11.1, in the event
that, notwithstanding the foregoing provisions of this Section 11.2, any payment
or distribution of assets of the Company (other than Junior Securities) shall be
received by the  Trustee or the Holders or any Paying  Agent at a time when such
payment or  distribution  is prohibited by the  provisions of this Section 11.2,
then such  payment or  distribution  shall be received  and held in trust by the
Trustee or such Holders or Paying Agent (or, if the Company or any  Affiliate of
the  Company is acting as its own Paying  Agent,  money for any such  payment or


                                      -26-

<PAGE>


distribution  shall be  segregated  or held in  trust)  for the  benefit  of the
holders of Senior Indebtedness of the Company, and shall be paid or delivered by
the  Trustee or such  Holders or such Paying  Agent,  as the case may be, to the
holders of Senior Indebtedness of the Company remaining unpaid or unprovided for
or their representative or representatives,  or to the trustee or trustees under
any indenture  pursuant to which any  instruments  evidencing any of such Senior
Indebtedness  of the  Company may have been  issued,  ratably  according  to the
aggregate amounts remaining unpaid on account of the Senior  Indebtedness of the
Company  held or  represented  by each,  for  application  to the payment of all
Senior Indebtedness of the Company in full after giving effect to any concurrent
payment and distribution to the holders of such Senior Indebtedness, but only to
the extent  that as to any holder of such  Senior  Indebtedness,  as promptly as
practical following receipt by such holder of written notice from the Trustee to
the holders of such Senior  Indebtedness  that such prohibited  payment has been
received by the Trustee,  Holder(s) or Paying Agent (or has been  segregated  as
provided above), such holder (or a representative therefor) notifies the Trustee
in writing of the  amounts  then due and owing on such Senior  Indebtedness,  if
any,  held by such holder and only the amounts  specified in such notices to the
Trustee shall be paid to the holders of such Senior Indebtedness.

SECTION 11.3 Securities Subordinated to Prior Payment of All Senior Indebtedness
             on Dissolution, Liquidation or Reorganization.

         Upon any  distribution  of assets of the Company upon any  dissolution,
winding up,  total or partial  liquidation  or  reorganization  of the  Company,
whether voluntary or involuntary, in bankruptcy,  insolvency,  receivership or a
similar  proceeding  or upon  assignment  for the  benefit of  creditors  or any
marshalling of assets or liabilities:

         (a) the holders of all Senior  Indebtedness  of the Company shall first
be entitled to receive payments in full (or have such payment duly provided for)
before  the  Holders  are  entitled  to  receive  any  payment on account of the
principal of, premium,  if any, interest on, and Additional Amounts with respect
to, the Securities (other than Junior Securities);

         (b) any payment or distribution of assets of the Company of any kind or
character,   whether  in  cash,   property  or  securities  (other  than  Junior
Securities)  to which the Holders or the Trustee on behalf of the Holders  would
be entitled (by set-off or otherwise), except for the provisions of this Article


                                      -27-

<PAGE>


11, shall be paid by the  liquidating  trustee or agent or other  Person  making
such a payment or distribution directly to the holders of Senior Indebtedness of
the Company or their  representative  to the extent necessary to make payment in
full of all such Senior  Indebtedness  remaining unpaid,  after giving effect to
any  concurrent   payment  or   distribution  to  the  holders  of  such  Senior
Indebtedness; and

         (c) in the event that,  notwithstanding  the foregoing,  any payment or
distribution of assets of the Company of any kind or character, whether in cash,
property or securities (other than Junior Securities),  shall be received by the
Trustee or the Holders or any Paying Agent (or, if the Company or any  Affiliate
of the Company is acting as its own Paying Agent,  money for any such payment or
distribution  shall be  segregated or held in trust) on account of the principal
of,  premium,  if any,  interest on, or Additional  Amounts with respect to, the
Securities  before all Senior  Indebtedness of the Company is paid in full, such
payment or  distribution  shall be received  and held in trust by the Trustee or
such Holder or Paying Agent (or, if the Company or any  Affiliate of the Company
is acting as its own Paying  Agent,  money for any such payment or  distribution
shall be  segregated  or held in trust) for the  benefit of the  holders of such
Senior  Indebtedness,  or their  respective  representative,  or the  trustee or
trustees under any indenture pursuant to which any instruments evidencing any of
such Senior Indebtedness of the Company may have been issued,  ratably according
to the  respective  amounts of such Senior  Indebtedness  held or represented by
each,  to the extent  necessary to make  payment as provided  herein of all such
Senior  Indebtedness  remaining  unpaid  after giving  effect to all  concurrent
payments and distributions and all provisions  therefor to or for the holders of
such Senior  Indebtedness,  but only to the extent that as to any holder of such
Senior  Indebtedness,  as promptly as practical following receipt by such holder
of written  notice from the  Trustee to the holders of such Senior  Indebtedness
that such  prohibited  payment has been  received by the  Trustee,  Holder(s) or
Paying  Agent (or has been  segregated  as  provided  above),  such holder (or a
representative therefor) notifies the Trustee in writing of the amounts then due
and owing on such Senior Indebtedness,  if any, held by such holder and only the
amounts specified in such notices to the Trustee shall be paid to the holders of
such Senior Indebtedness.

SECTION 11.4  Securityholders  to Be  Subrogated  to Rights of Holders of Senior
              Indebtedness.

         Subject  to the  payment  in full  of all  Senior  Indebtedness  of the
Company as provided herein, the Holders of Securities shall be subrogated to the

                                      -28-

<PAGE>



rights of the  holders  of such  Senior  Indebtedness  to  receive  payments  or
distributions  of assets of the Company  applicable  to the Senior  Indebtedness
until all amounts  owing on the  Securities  shall be paid in full,  and for the
purpose of such  subrogation no such payments or distributions to the holders of
such Senior  Indebtedness  by the Company,  or by or on behalf of the Holders by
virtue of this Article 11, which  otherwise  would have been made to the Holders
shall,  as between the Company and the  Holders,  be deemed to be payment by the
Company on account of such Senior  Indebtedness,  it being  understood  that the
provisions  of this  Article 11 are and are  intended  solely for the purpose of
defining the relative rights of the Holders, on the one hand, and the holders of
such Senior Indebtedness, on the other hand.

         If any payment or  distribution  to which the Holders  would  otherwise
have been  entitled  but for the  provisions  of this Article 11 shall have been
applied,  pursuant  to the  provisions  of this  Article  11, to the  payment of
amounts payable under Senior Indebtedness of the Company, then the Holders shall
be entitled to receive from the holders of such Senior Indebtedness any payments
or  distributions  received by such holders of Senior  Indebtedness in excess of
the amount  sufficient  to pay all amounts  payable  under or in respect of such
Senior Indebtedness in full.

SECTION 11.5 Obligations of the Company Unconditional.

         Nothing contained in this Article 11 or elsewhere in this Supplement or
in the  Securities is intended to or shall impair as between the Company and the
Holders,   the   obligation   of  each  such  Person,   which  is  absolute  and
unconditional, to pay to the Holders the principal of, premium, if any, interest
on, and Additional  Amounts with respect to, the Securities as and when the same
shall become due and payable in accordance  with their terms,  or is intended to
or shall affect the relative  rights of the Holders and creditors of the Company
other than the holders of the Senior Indebtedness,  nor shall anything herein or
therein prevent the Trustee or any Holder from exercising all remedies otherwise
permitted by applicable  law upon default under this  Indenture,  subject to the
rights, if any, under this Article 11, of the holders of Senior  Indebtedness in
respect  of cash,  property  or  securities  of the  Company  received  upon the
exercise of any such  remedy.  Notwithstanding  anything to the contrary in this
Article  11 or  elsewhere  in this  Supplement  or in the  Securities,  upon any
distribution  of assets of the  Company  referred  to in this  Article  11,  the
Trustee, subject to the provisions of Sections 602 and 612 of the Indenture, and


                                      -29-

<PAGE>


the Holders shall be entitled to rely conclusively upon any order or decree made
by any court of competent  jurisdiction in which such  dissolution,  winding up,
liquidation or reorganization  proceedings are pending,  or a certificate of the
liquidating  trustee or agent or other  Person  making any  distribution  to the
Trustee or to the Holders for the purpose of ascertaining  the Persons  entitled
to participate in such distribution,  the holders of the Senior Indebtedness and
other  Indebtedness of the Company,  the amount thereof or payable thereon,  the
amount or amounts  paid or  distributed  thereon and all other  facts  pertinent
thereto or to this  Article 11 so long as such  court has been  apprised  of the
provisions  of, or the order,  decree or  certificate  makes  reference  to, the
provisions   of  this  Article  11.  The  Trustee  shall  be  entitled  to  rely
conclusively on the delivery to it of a written notice by a person  representing
himself to be a holder of Senior Indebtedness (or a trustee or representative on
behalf of such  holder)  to  establish  that such a notice  has been  given by a
holder of Senior  Indebtedness (or a trustee or representative on behalf of such
holder). In the event that the Trustee  determines,  in good faith, that further
evidence  is  required  with  respect  to the right of any person as a holder of
Senior  Indebtedness to participate in any payment or  distribution  pursuant to
this Article 11, the Trustee may request such person to furnish  evidence to the
reasonable  satisfaction of the Trustee as to the amount of Senior  Indebtedness
held by such  person,  as to the  extent to which  such  person is  entitled  to
participate in such payment or distribution,  and as to other facts pertinent to
the rights of such person  under this  Article  11, and if such  evidence is not
furnished,  the Trustee may defer any  payment to such person  pending  judicial
determination as to the right of such person to receive such payment. Nothing in
this Article 11 shall apply to the claims of, or payments to, the Trustee  under
or pursuant to Section 606 of the Indenture.

SECTION 11.6 Trustee  Entitled to Assume  Payments Not  Prohibited in Absence of
             Notice.

         The Trustee or any Paying Agent  (other than the Company  acting as its
own  Paying  Agent)  shall  not at any time be  charged  with  knowledge  of the
existence  of any facts which would  prohibit the making of any payment to or by
the Trustee or such Paying Agent unless and until a Trust Officer of the Trustee
or such Paying Agent (other than the Company acting as its own Paying Agent), as
the case may be,  shall have  received,  no later than one Business Day prior to
such  payment,  written  notice  thereof  from the  Company  or from one or more
holders of Senior Indebtedness or from any representative therefor and, prior to


                                      -30-

<PAGE>


the receipt of any such written notice,  the Trustee,  subject to the provisions
of  Sections  602 and 612 of the  Indenture,  and  such  Paying  Agent  shall be
entitled in all respects conclusively to assume that no such fact exists.

SECTION 11.7 Application by Trustee of Assets Deposited with It.

         Any deposit of assets with the Trustee or the Agent  (whether or not in
trust) for the payment of  principal of or interest  on, or  Additional  Amounts
with respect to, any  Securities  shall be subject to the provisions of Sections
11.1, 11.2, 11.3 and 11.4; provided that, if prior to one Business Day preceding
the date on which by the terms of this  Supplement  any such  assets  may become
distributable for any purpose  (including,  without  limitation,  the payment of
either  principal of or interest on any  Security) the Trustee or a Paying Agent
shall not have received with respect to such assets the written notice  provided
for in Section 11.6, then the Trustee or such Paying Agent shall have full power
and  authority  to receive  such assets and to apply the same to the purpose for
which  they  were  received,  and  shall not be  affected  by any  notice to the
contrary which may be received by it on or after such date.

SECTION  11.8  Subordination  Rights Not  Impaired by Acts or  Omissions  of the
               Company or Holders of Senior Indebtedness.

         No right of any present or future holders of any Senior Indebtedness to
enforce subordination  provisions contained in this Article 11 shall at any time
in any way be prejudiced or impaired by any act or failure to act on the part of
the Company or by any act or failure to act, in good faith,  by any such holder,
or by any  noncompliance  by the  Company  with the  terms  of this  Supplement,
regardless  of any  knowledge  thereof  which  any  such  holder  may have or be
otherwise  charged with. The holders of Senior  Indebtedness may extend,  renew,
modify or amend the terms of the Senior  Indebtedness  or any security  therefor
and release,  sell or exchange such security and otherwise  deal freely with the
Company, all without affecting the liabilities and obligations of the parties to
this Indenture or the Holders.

SECTION 11.9  Securityholders  Authorize Trustee to Effectuate  Subordination of
              Securities.

         Each Holder of the Securities by his acceptance  thereof authorizes and
expressly  directs  the  Trustee  on his  behalf to take  such  action as may be
necessary or appropriate to effectuate the subordination provisions contained in


                                      -31-

<PAGE>


this  Article  11 and to  protect  the rights of the  Holders  pursuant  to this
Supplement,  and appoints  the Trustee its  attorney-in-fact  for such  purpose,
including,  in  the  event  of  any  dissolution,  winding  up,  liquidation  or
reorganization of the Company (whether in bankruptcy, insolvency or receivership
proceedings  or upon an assignment for the benefit of creditors of the Company),
the  making  of a  timely  filing  of a claim  for  the  unpaid  balance  of its
Securities in the form required in said  proceedings  and cause said claim to be
approved.  If the Trustee  does not file a proper  claim or proof of debt in the
form required in such  proceeding  prior to 30 days before the expiration of the
time to file such claim or claims,  then the holders of the Senior  Indebtedness
or their  representative  are or is hereby  authorized to have the right to file
and are or is hereby  authorized to file an appropriate  claim for and on behalf
of the Holders of said  Securities.  Nothing herein contained shall be deemed to
authorize  the  Trustee  or  the  holders  of  Senior   Indebtedness   or  their
representative  to  authorize  or consent to or accept or adopt on behalf of any
Securityholder   any  plan  of   reorganization,   arrangement,   adjustment  or
composition  affecting the Securities or the rights of any Holder thereof, or to
authorize  the  Trustee  or  the  holders  of  Senior   Indebtedness   or  their
representative to vote in respect of the claim of any Securityholder in any such
proceeding.

SECTION 11.10 Right of Trustee to Hold Senior Indebtedness.

         The  Trustee  shall be  entitled to all of the rights set forth in this
Article 11 in respect of any Senior  Indebtedness  at any time held by it to the
same  extent as any other  holder of Senior  Indebtedness,  and  nothing in this
Supplement  shall be  construed  to deprive  the Trustee of any of its rights as
such holder.

SECTION 11.11 Article 11 Not to Prevent Events of Default.

         The failure to make a payment on account of principal of,  premium,  if
any,  interest on, or  Additional  Amounts with  respect to, the  Securities  by
reason of any  provision of this Article 11 shall not be construed as preventing
the  occurrence  of a Default or an Event of Default  under  Section  501 of the
Indenture or in any way prevent the Holders or the Trustee from  exercising  any
right or remedy hereunder or at law or in equity other than the right to receive
payment on the Securities in accordance with the terms of this Article 11.


                                      -32-

<PAGE>



SECTION 11.12 No Fiduciary Duty of Trustee to Holders of Senior Indebtedness.

         The  Trustee  shall  not be  deemed  to owe any  fiduciary  duty to the
holders  of Senior  Indebtedness,  and  shall not be liable to any such  holders
(other than for its willful  misconduct or negligence) if it shall in good faith
mistakenly pay over or distribute to the Holders of Securities or the Company or
any other  Person,  cash,  property or securities to which any holders of Senior
Indebtedness  shall be  entitled  by virtue  of this  Article  11 or  otherwise.
Nothing in this  Section  11.12 shall  affect the  obligation  of any other such
Person to hold such payment for the benefit of, and to pay such payment over to,
the holders of Senior  Indebtedness or their  representative  in accordance with
the provisions hereof.

                                   ARTICLE 12

                                  MISCELLANEOUS

SECTION 12.1 Trust Indenture Act Controls.

         If any provision of this Indenture limits,  qualifies or conflicts with
another provision which is required to be included in this Indenture by the TIA,
the  required  provisions  shall  control.  The  provisions  of TIA Sections 310
through  317  that  impose  duties  on  any  Person  (including  the  provisions
automatically   deemed  included  herein  unless  expressly   excluded  by  this
Indenture)  are a part of and govern this  Indenture,  whether or not physically
contained herein.

SECTION 12.2 Communications by Holders with Other Holders.

         Securityholders  may communicate  pursuant to TIA ss. 312(b) with other
Securityholders  with  respect  to their  rights  under  this  Indenture  or the
Securities.  The Company,  the Trustee, the Registrar and anyone else shall have
the protection of TIA ss. 312(c).


                                      -33-

<PAGE>



SECTION 12.3 Governing Law.

         The  laws  of The  Commonwealth  of  Massachusetts  shall  govern  this
Supplement and the Securities without regard to principles of conflicts of law.

SECTION 12.4 No Adverse Interpretation of Other Agreements.

         This Supplement may not be used to interpret another indenture, loan or
debt agreement of the Company or a Subsidiary.  Any such indenture, loan or debt
agreement may not be used to interpret this Supplement.

SECTION 12.5 Successors.

         All covenants and agreements of the Company in this  Supplement and the
Securities shall bind its successors and assigns.  All agreements of the Trustee
in this Indenture shall bind its successors and assigns.

SECTION 12.6 Multiple Counterparts.

         The parties may sign multiple  counterparts  of this  Supplement.  Each
signed  counterpart  shall  be  deemed  an  original,  but all of them  together
represent the same agreement.

SECTION 12.7 Headings, etc.

         The headings of the Articles and Sections of this  Supplement have been
inserted for  convenience  of reference  only,  are not to be  considered a part
hereof,  and shall in no way modify or restrict  any of the terms or  provisions
hereof.

SECTION 12.8 Severability.

         In case any provision in this Supplement or in the Securities  shall be
invalid, illegal or unenforceable,  the validity, legality and enforceability of
the remaining  provisions shall not in any way be affected or impaired  thereby,
and a Holder shall have no claim therefor against any party hereto.


                                      -34-

<PAGE>




         IN WITNESS  WHEREOF,  the parties hereto have caused this Supplement to
be duly executed, all as of the date first written above.

                                   HEALTH AND RETIREMENT PROPERTIES TRUST
                                   a Maryland real estate investment trust



                                   By:  __________________________________
                                        Name:
                                        Title:


                                   FLEET NATIONAL BANK,
                                     as Trustee



                                   By:  __________________________________
                                        Name:
                                        Title:

                                      -35-

<PAGE>



                                    EXHIBIT A

Unless  and  until  it is  exchanged  in  whole  or in part  for  Securities  in
definitive  form, this Security may not be transferred  except as a whole by the
Depository to a nominee of the  Depository or by a nominee of the  Depository to
the Depository or another  nominee of the Depository or by the Depository or any
such  nominee  to  a  successor  Depository  or  a  nominee  of  such  successor
Depository. Unless this certificate is presented by an authorized representative
of The Depository Trust Company,  a New York  corporation (55 Water Street,  New
York,  New  York)  ("DTC"),  to the  issuer or its  agent  for  registration  of
transfer,  exchange or payment,  and any certificate issued is registered in the
name of Cede & Co.  or such  other  name as may be  requested  by an  authorized
representative  of DTC  (and any  payment  is made to Cede & Co.  or such  other
entity  as may  be  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.1

IF NECESSARY TO EFFECT  COMPLIANCE BY THE COMPANY WITH THE  REQUIREMENTS  OF THE
UNITED STATES INTERNAL REVENUE CODE OF 1986, AS AMENDED, RELATING TO REAL ESTATE
INVESTMENT  TRUSTS,   OWNERSHIP  OF  THE  SECURITY  REPRESENTED  HEREBY  MAY  BE
RESTRICTED BY THE COMPANY AND/OR THE TRANSFER  HEREOF MAY BE PROHIBITED,  AS SET
FORTH MORE FULLY ON THE REVERSE HEREOF.



                     HEALTH AND RETIREMENT PROPERTIES TRUST

                7.50% Convertible Subordinated Debenture Due 2003
                                    Series A

HEALTH AND RETIREMENT PROPERTIES TRUST, a Maryland real estate
investment trust, promises to pay to


7.50%                       S P E C I M E N               7.50%
DUE 2003                                               DUE 2003


- --------
1 This  paragraph  should be included  only if the  Security is issued in global
form.

                                       A-1

<PAGE>



or registered  assigns,  the principal sum of __________  Dollars, on October 1,
2003


                  Interest Payment Dates: April 1 and October 1
                     Record Dates: March 15 and September 15


Additional  provisions  of this  Security  are set  forth on other  side of this
Security.


Dated:

HEALTH AND RETIREMENT PROPERTIES TRUST                                 SEAL


By:___________________________________



By:___________________________________



CERTIFICATE OF  AUTHENTICATION  FLEET NATIONAL BANK, as Trustee,  certifies that
this is one of the Securities referred to in the within mentioned Indenture.


By:__________________________________

Authorized Signatory



                                       A-2

<PAGE>



                          [FORM OF REVERSE OF SECURITY]

                     HEALTH AND RETIREMENT PROPERTIES TRUST
           7.50% Convertible Subordinated Debenture Due 2003, Series A


         1. Interest.  Health and Retirement  Properties  Trust, a Maryland real
estate  investment  trust  (the  "Company"),  promises  to pay  interest  on the
principal amount of this Security at the rate per annum shown above. The Company
will pay interest  semiannually  on April 1 and October 1 of each year beginning
April 1, 1997.  Interest on the Securities will accrue from the most recent date
to which  interest has been paid or, if no interest has been paid,  from October
1, 1996;  provided  that,  if there is no  existing  Default  in the  payment of
interest,  and if this Security is authenticated  between a record date referred
to on the face hereof and the next succeeding  interest  payment date,  interest
shall accrue from such interest  payment date.  Interest will be computed on the
basis of a 360 day year of twelve 30-day months.

         2. Method of Payment.  The Company will pay interest on the  Securities
(except defaulted interest) to the persons who are the registered Holders of the
Securities  at the  close  of  business  on the  March 15 or  September  15 next
preceding the interest  payment  date.  Holders must  surrender  Securities to a
Paying Agent to collect  principal  and premium  payments.  The Company will pay
principal,  premium 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 and interest by its check payable in such
money. It may mail an interest check to a Holder's registered address.

         The payment of principal of and premium, if any, on this Security shall
be payable only upon  surrender of this  Security at the office or agency of the
Paying Agent in the City of Boston,  Commonwealth of Massachusetts.  Payments of
principal of,  premium,  if any, and interest on this Security  shall be made at
the office or agency of the Trustee maintained in the Borough of Manhattan, City
and State of New York or the City of Boston, Commonwealth of Massachusetts,  or,
in the  case of any such  payments  other  than the  payment  of  principal  and
premium, if any, at the Company's option, by check mailed to the Person entitled
thereto at such Person's address last appearing on the Company's register.

         3.  Registrar and Agents.  Initially,  Fleet  National Bank will act as
Registrar,  Paying Agent,  Conversion Agent and agent for service of notices and
demands.  The  Company may change any  Registrar,  co-registrar,  Paying  Agent,



                                       A-3

<PAGE>


Conversion  Agent and agent for  service of notices  and  demands on sixty days'
prior written notice to the Trustee.  The Company or any of its Subsidiaries may
act as Paying Agent or Conversion  Agent.  The office of Fleet National Bank for
such purpose is One Federal Street, Boston, Massachusetts 02110, Attn: Corporate
Trust Department.

         4. Indenture;  Limitations.  The Company issued the Securities under an
Indenture,  dated as of September 20, 1996 (the "Basic Indenture"),  between the
Company and Fleet  National Bank (the  "Trustee"),  as  supplemented  by a First
Supplemental  Indenture,  dated as of October 7, 1996, (as used herein, the term
"Indenture"  means  the Basic  Indenture  together  with the First  Supplemental
Indenture). Capitalized terms herein are used as defined in the Indenture unless
otherwise  defined herein.  The terms of the Securities  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  Securities  are subject to all such terms,  and the
Holders of the  Securities  are  referred  to the  Indenture  and said Act for a
statement of them.

         The Securities are general unsecured obligations of the Company limited
to $86,250,000  principal amount.  The Indenture imposes certain  limitations on
the ability of the Company to, among other  things,  make payments in respect of
its Capital Stock,  merge or consolidate with any other Person and sell,  lease,
transfer or otherwise dispose of its properties or assets.

         5.  Optional  Redemption  by the  Company.  (a) The Company may, at its
option, redeem the Securities (i) at any time and from time to time, in whole or
in part,  on and after October 1, 1999, or (ii) in whole or from time to time in
part,  prior to October 1, 1999 as deemed  necessary by the Board of Trustees of
the Company  for the Company to continue to qualify as a real estate  investment
trust ("REIT")  under  Sections 856 through 860 of the Internal  Revenue Code of
1986, as amended.

         (b) The Securities will be immediately redeemable by the Company to the
extent,  but only to the extent,  deemed  necessary  by the Board to prevent the
Holder of such Securities or any other person having an interest therein (if the
Securities  were thereupon  converted)  from being deemed to  beneficially  own,
directly  or  indirectly,  8.5% in  value  or more of the  Capital  Stock of the


                                       A-4

<PAGE>



Company.  For purposes of determining a Person's beneficial ownership of Capital
Stock, the Securities beneficially owned by such Person will be deemed converted
and added to the Capital Stock beneficially owned by such Person for purposes of
determining  whether such Person beneficially owns in excess of 8.5% in value of
the Capital  Stock.  For  purposes of this  paragraph,  Capital  Stock not owned
directly shall be deemed to be owned  indirectly by a Holder if that Holder or a
group including that Holder would be the beneficial owner of such Capital Stock,
as defined as of May 1, 1995,  in Rule 13d-3  promulgated  by the United  States
Securities and Exchange Commission under the Securities Exchange Act of 1934, as
amended,  and/or would be  considered to own such Capital Stock by reason of the
attribution rules of Section 544 or Section 856(h) of the Code.

         (c) The redemption price pursuant to the foregoing  clauses (a) and (b)
shall be equal to 100% of the principal amount thereof,  plus accrued and unpaid
interest to the date fixed for redemption.

         (d) The  Company may at any time buy  Securities  on the open market at
prices which may be greater or less than the redemption prices set forth herein.

         6. Notice of Redemption.  Notice of redemption  will be mailed at least
30 days but not more than 60 days before the  Redemption  Date to each Holder of
Securities to be redeemed at his registered address. Securities in denominations
larger than $1,000  principal  amount may be redeemed in part, but only in whole
multiples thereof. On and after the Redemption Date interest ceases to accrue on
Securities or portions of them called for redemption.

         7.  Conversion.  A Holder of a Security may convert such  Security into
Common Shares of the Company after  issuance and at any time before the close of
business  on October 1, 2003.  If the  Security  is called for  redemption,  the
Holder may convert it at any time before the close of business on the date fixed
for such redemption.  The initial conversion price is $18.00 per share,  subject
to adjustment in certain events. To determine the number of shares issuable upon
conversion  of a Security,  divide the  principal  amount to be converted by the
conversion  price in effect on the  conversion  date. The Company will deliver a
check for any fractional share.

         To  convert  a  Security,  a  Holder  must  (1)  complete  and sign the
conversion notice on the back of the Security, (2) surrender the Security to the


                                       A-5

<PAGE>



Conversion Agent, (3) furnish appropriate endorsements and transfer documents if
required  by the  Registrar  or  Conversion  Agent and (4) pay any  transfer  or
similar tax if required.  No payment or  adjustment  is to be made on conversion
for  interest  accrued  hereon  or for  dividends  on  Common  Shares  issued on
conversion;  provided, however, that if a Security is surrendered for conversion
after the record  date for a payment of interest  and on or before the  interest
payment date, then, notwithstanding such conversion, the interest falling due to
such interest payment date will be paid to the Person in whose name the Security
is  registered  at the close of business  on such  record date and any  Security
surrendered  for conversion  during the period from the close of business on any
regular  record date to the opening of  business on the  corresponding  interest
payment date must be  accompanied  by payment of an amount equal to the interest
payable on such  interest  payment  date.  A Holder  may  convert a portion of a
Security  if the  portion is $1,000  principal  amount or an  integral  multiple
thereof.

         If the Company is a party to a consolidation or merger or a transfer or
lease of all or substantially all of its assets, the right to convert a Security
into Common  Shares may be changed  into a right to convert it into  securities,
cash or other assets of the Company or another Person.

         8.   Subordination.   THIS  SECURITY  IS  SUBORDINATED  TO  ALL  SENIOR
INDEBTEDNESS  OF THE  COMPANY.  TO THE EXTENT AND IN THE MANNER  PROVIDED IN THE
INDENTURE,  SENIOR  INDEBTEDNESS  MUST BE PAID BEFORE ANY PAYMENT MAY BE MADE TO
ANY HOLDERS OF SECURITIES.  ANY SECURITYHOLDER BY ACCEPTING THIS SECURITY AGREES
TO SUCH SUBORDINATION AND AUTHORIZES THE TRUSTEE TO GIVE IT EFFECT.

         In addition to all other rights of Senior Indebtedness described in the
Indenture,  the Senior Indebtedness shall continue to be Senior Indebtedness and
entitled to the benefits of the  subordination  provisions  irrespective  of any
amendment,  modification or waiver of any term of any instrument relating to the
Senior Indebtedness or extension or renewal of the Senior Indebtedness.

         9. Denominations,  Transfer, Exchange. The Securities are in registered
form without coupons in  denominations  of $1,000  principal amount and integral
multiples thereof. A Holder may register the transfer of or exchange  Securities
in accordance  with the  Indenture.  The  Registrar 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
Registrar need not register the transfer of or exchange any Securities  selected
for  redemption  or register the transfer of or exchange  any  Securities  for a
period of 15 days before a selection of Securities to be redeemed.

                                       A-6

<PAGE>



         10. Persons Deemed Owners.  The registered  Holder of a Security may be
treated as its owner for all purposes.

         11.  Unclaimed Money. If money for the payment of principal or interest
on any Securities  remains  unclaimed for two years,  the Trustee and the Paying
Agent will pay the money back to the Company at its written request. After that,
Holders may look only to the Company for payment.

         12.  Discharge  Prior to Redemption or Maturity.  The Indenture will be
discharged and canceled except for certain  sections thereof upon payment of all
the  Securities,  or upon the  irrevocable  deposit with the Trustee of funds or
Government  Obligations  maturing on or before such payment  date or  Redemption
Date, sufficient to pay principal, premium, if any, and interest on such payment
or redemption.

         13. Amendment and Waiver. Subject to certain exceptions, without notice
to the Holders of the Securities, the Indenture or the Securities may be amended
with the consent of the Holders of at least a majority  in  principal  amount of
the Securities then  outstanding and any existing default or compliance with any
provision  may be waived  with the  consent  of the  Holders  of a  majority  in
principal amount of the Securities then  outstanding.  Without the consent of or
notice to any Securityholder,  the Company may amend or supplement the Indenture
or the Securities to, among other things, provide for uncertificated Securities,
to cure any  ambiguity,  defect or  inconsistency  or make any other change that
does not adversely affect the rights of any Securityholder.

         14.  Successors.  When a successor  assumes all the  obligations of its
predecessor  under the  Securities and the Indenture,  the  predecessor  will be
released from those obligations.

         15.  Defaults and Remedies.  If an Event of Default,  as defined in the
Indenture (other than a Event of Default relating to bankruptcy of the Company),
occurs and is continuing,  the Trustee or the Holders of a majority in principal
amount of  Securities  may  declare  all the  Securities  to be due and  payable
immediately in the manner and with the effect  provided in the Indenture.  If an
Event  of  Default  relating  to  bankruptcy  of the  Company  occurs,  then all
Securities  shall become  immediately due and payable without any declaration or
act on the part of the  Trustee or any  Holder.  Holders of  Securities  may not


                                       A-7

<PAGE>


enforce the Indenture or the Securities except as provided in the Indenture. The
Trustee may require  indemnity  satisfactory to it, subject to the provisions of
the TIA, before it enforces the Indenture or the Securities.  Subject to certain
limitations,  Holders of a majority in principal  amount of the Securities  then
outstanding  may direct the Trustee in its  exercise of any trust or power.  The
Trustee may withhold from Holders of Securities notice of any continuing default
(except a default in payment of principal or  interest)  if it  determines  that
withholding  notice is in their  interests.  The  Company  is  required  to file
periodic  reports  with the Trustee as to the absence of any Default or Event of
Default.

         16. Trustee Dealings with the Company. Fleet National Bank, the Trustee
under the Indenture, in its individual or any other capacity, may make loans to,
accept  deposits from, and perform  services for the Company or its  Affiliates,
and may  otherwise  deal with the Company or its  Affiliates,  as if it were not
Trustee.

         17. 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 "HEALTH AND RETIREMENT  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  ASSETS OF THE  COMPANY  FOR THE
PAYMENT OF ANY SUM OR THE PERFORMANCE OF ANY OBLIGATION.

         18. Authentication.  This Security shall not be valid until the Trustee
signs the certificate of authentication on the other side of this Security.

         19. Status as United States Real Property Holding  Corporation.  To the
best of its  knowledge,  as of the date of the  issuance of this  Security,  the
Company is not a "United States real property holding corporation" as defined in
Section 897(c)(2) of the United States Internal Revenue Code of 1986, as amended
(the "Code").  A non-United States person disposing of this Security may request
from the Company a statement as to whether this  Security  constitutes a "United
States real property  interest" (as defined in Code Section 897(c)(1)) as of the
date of  disposition.  It may be  necessary  to  obtain a  statement  that  this


                                       A-8

<PAGE>


Security does not constitute a "United States real property  interest"  prior to
the time that a tax return  would  otherwise  be  required  to be filed with the
United States Internal Revenue Service with respect to such disposition in order
to avoid a  withholding  tax on such  disposition.  If, at any time  while  this
Security  is  outstanding,  the  Company  determines  that it is at such  time a
"United States real property  holding  corporation",  it shall provide notice of
such  determination in accordance with the provisions of Section 13 hereof.  The
Holder of this  Security can contact the Company at 400 Centre  Street,  Newton,
Massachusetts  02158 to obtain  information  as to the United  States income tax
consequences  of the  classification  of the  Company as a "United  States  real
property holding corporation."

         20. CUSIP  Numbers.  Pursuant to a  recommendation  promulgated  by the
Committee on Uniform Security Identification  Procedures, the Company will cause
CUSIP numbers to be printed on the Securities as a convenience to the Holders of
the Securities.  No representation is made as to the accuracy of such numbers as
printed  on  the  Securities  and  reliance  may be  placed  only  on the  other
identification numbers printed hereon.

         21. Accounting Terms. All accounting terms not otherwise defined herein
shall have the meanings  assigned to them in accordance with generally  accepted
accounting principles as applied in the United States.


                                       A-9

<PAGE>



         22. Descriptive Headings. The descriptive headings appearing herein are
for  convenience  of  reference  only and shall not  alter,  limit or define the
provisions hereof.

         23. Abbreviations. Customary abbreviations may be used in the name of a
Securityholder  or an assignee,  such as: TEN COM (=tenants in common),  TEN ENT
(=tenants by the entireties), JT TEN (=joint tenants with rights of survivorship
and not as tenants in common), CUST (=Custodian), and U/G/M/A (=Uniform Gifts to
Minors Act).

         24.   Limitations  on  certain  Holders.   This  Security  may  not  be
transferred (by sale, transfer,  gift, assignment,  devise or other disposition,
whether  voluntarily or involuntarily,  whether  beneficially or of record,  and
whether effected constructively, by operation of law or otherwise) to any Person
if, as a result of such  transfer,  the Holder hereof or any other Person having
an interest in this Security (other than an Excepted  Person,  as defined in the
Company's Amended and Restated Declaration of Trust, as amended), would, if this
Security were fully converted,  own or be deemed to own, directly or indirectly,
capital  stock of the  Company  representing  8.5% or more in value of the total
capital stock of the Company  outstanding  (determined  in  accordance  with the
provisions  of paragraph  (b) of Section 3 above).  ANY TRANSFER IN VIOLATION OF
THIS SECTION 24 NEED NOT BE RECOGNIZED BY THE COMPANY,  THE TRUSTEE OR ANY AGENT
(AS  DEFINED  IN  THE  INDENTURE),  AND  ANY  PERSON  WHO,  NOTWITHSTANDING  THE
FOREGOING,  WOULD,  IF THIS SECURITY WERE FULLY  CONVERTED,  OWN OR BE DEEMED TO
OWN, DIRECTLY OR INDIRECTLY,  CAPITAL STOCK OF THE COMPANY  REPRESENTING 8.5% OR
MORE IN VALUE OF THE TOTAL CAPITAL STOCK OF THE COMPANY OUTSTANDING  (DETERMINED
IN ACCORDANCE WITH THE PROVISIONS OF PARAGRAPH (B) OF SECTION 3 ABOVE) SHALL, TO
THE EXTENT OF SUCH EXCESS, NOT BE ENTITLED TO CONVERT THIS SECURITY AS OTHERWISE
PROVIDED HEREIN AND IN THE INDENTURE.

         The Company will furnish to any Securityholder upon written request and
without charge a copy for the  Indenture.  It also will furnish the text of this
Security  in  larger  type.  Requests  may be made  to:  Health  and  Retirement
Properties Trust, 400 Centre Street,  Newton,  Massachusetts  02158.  Attention:
President.

                                      A-10

<PAGE>



                                 TRANSFER NOTICE

If you the Holder wants to assign this Security, fill in the form below and have
your signature guaranteed:

For value received, I or we assign and transfer this Security to

                      (INSERT ASSIGNEE'S SOCIAL SECURITY OR
                           TAX IDENTIFICATION NUMBER)

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


 ................................................................

 ................................................................

 ................................................................

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

 ...........................................................agent
to transfer this Security 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 other
                side of this Security)

Signature Guarantee*:...........................................

*Signature must be guaranteed by an eligible  guarantor  institution  within the
meaning of Securities and Exchange  Commission  Rule 17Ad-15  (including  banks,
stock brokers,  savings and loan associations,  national  securities  exchanges,
registered  securities  associations,  clearing agencies and credit unions) with
membership or participation in an approved signature guarantee medallion program
if  this  Security  is to be  delivered  other  than  to and in the  name of the
registered holder.



                                      A-11

<PAGE>



                                CONVERSION NOTICE

To convert this Security into common  shares of  beneficial  interest,  $.01 par
value per share, of the Company, check the box:

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

To  convert  only  part of this  Security,  state  the  principal  amount  to be
converted (which must be a minimum of $1,000 or any multiple thereof):

                ------------------------------------------------     
                $                      
                ------------------------------------------------


If you want the Security certificate, if any, made out in another person's name,
fill in the form below:

                    (INSERT OTHER PERSON'S SOCIAL SECURITY OR
                           TAX IDENTIFICATION NUMBER)

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

 ................................................................

 ................................................................

 ................................................................

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

By submitting this  certificate,  you hereby certify to the Company that,  after
giving effect to the conversion  specified herein, you will not own or be deemed
to own,  directly or  indirectly,  shares of beneficial  interest in the Company
which,  together with shares of beneficial  interest issuable upon conversion of
any other  Securities  owned directly or indirectly by you,  represents  8.5% or
more in  value  of the  total  shares  of  beneficial  interest  of the  Company
outstanding  (determined  in accordance  with the provisions of paragraph (b) of
Section 5 of this Security).


                                      A-12

<PAGE>




Date:...........................................................

Your Signature:.................................................

(Sign exactly as your name appears on the other side of this
Security)

Signature Guaranteed By:
                                    Note: Signature must be guaranteed
                                             by a member firm of the New York
                                             Stock Exchange or a commercial
                                             bank or trust company.

                                      A-13


                                                                     EXHIBIT 4.2







                          THIRD SUPPLEMENTAL INDENTURE
                           Dated as of October 7, 1996

                                       to

                                    INDENTURE

                         Dated as of September 20, 1996

                                     between

                     HEALTH AND RETIREMENT PROPERTIES TRUST

                                       and

                               FLEET NATIONAL BANK

                                   as Trustee


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

                    7.25% Convertible Subordinated Debentures
                                    Due 2001
                           --------------------------



                                                    

<PAGE>




                          THIRD SUPPLEMENTAL INDENTURE



                  THIRD  SUPPLEMENTAL  INDENTURE,  dated as of  October  7, 1996
(this "Supplement"),  between Health and Retirement Properties Trust, a Maryland
real estate investment trust (the "Company"),  and Fleet National Bank, a United
States Bank, as trustee (the "Trustee"), to that certain Indenture,  dated as of
September 20, 1996, between the Company and the Trustee (the "Indenture").

                  WHEREAS,  the parties  hereto have entered into the  Indenture
which  provides  for the  issuance  by the Company of the  individual  series of
securities thereunder, upon the Company and Trustee entering into a supplemental
indenture to the Indenture authorizing such series; and

                  WHEREAS,  the  Company  wishes to issue  its  first  series of
securities thereunder,  designated its 7.25% Convertible Subordinated Debentures
Due 2001, (the "Securities"); and

                  WHEREAS,   all  acts   necessary  to  constitute   this  First
Supplemental  Indenture as a valid,  binding and legal obligation of the Company
have been done and performed.

                  NOW,  THEREFORE,  witnesseth  that,  in  consideration  of the
premises and of the covenants contained herein, it is hereby agreed as follows:

                                    ARTICLE 1

                   DEFINITIONS AND INCORPORATION BY REFERENCE

SECTION 1.1 Definitions.

         Solely for purposes of this Supplement, Section 101 of the Indenture is
hereby amended by inserting, in their appropriate  alphabetical locations,  each
of the following defined terms:

         "Agent"  means  any   Registrar,   Paying  Agent,   Conversion   Agent,
co-registrar or agent for service of notices and demands.

         "Capital Stock" means any and all shares or other equivalents  (however
designated)  of capital  stock,  including  all common  stock and all  preferred
stock, in the case of corporation, or partnership interests or other equivalents
(however designated) in the case of a partnership or common shares of beneficial
interest or other equivalents (however designated) in the case of a trust.

                                       -1-

<PAGE>



         "Closing  Price" means with  respect to the shares of Capital  Stock of
the Company on any day, (i) the reported last sale price regular way or, in case
no such  reported  sale takes  place on such day,  the  average of the  reported
closing bid and asked  prices  regular way, in either case on the New York Stock
Exchange,  or (ii) if the shares of Capital  Stock are not listed or admitted to
trading on the New York Stock Exchange, the reported last sale price regular way
or, in case no such  reported  sale takes place on such day,  the average of the
reported  closing  bid and asked  prices  regular  way,  in  either  case on the
principal national  securities exchange on which the shares of Capital Stock are
listed or admitted to trading,  or (iii) if the shares of Capital  Stock are not
listed or admitted to trading on any national securities  exchange,  the average
of the closing bid and asked prices as furnished by any New York Stock  Exchange
member firm selected from time to time by the Company for that purpose.

         "Common  Shares"  means  the  Company's  common  shares  of  beneficial
interest,  $.01 par value per share, or as such shares may be reconstituted from
time to time.

         "Default"  means any event which is, or after notice or passage of time
or both would be, an Event of Default.

         "Exchange Act" means the Securities Exchange Act of 1934, as
amended.

         "Indebtedness" as applied to any Person,  means,  without  duplication:
(a) all liabilities and obligations, contingent or otherwise, of such Person (i)
in respect of borrowed  money  whether or not  evidenced by a  promissory  note,
draft or similar instrument (whether or not the recourse of the lender is to the
whole of the assets of such Person or only to a portion thereof); (ii) evidenced
by bonds, notes, debentures or similar instruments;  (iii) evidenced by a letter
of credit or reimbursement  obligation of such Person with respect to any letter
of credit; (iv) evidenced by bankers'  acceptances or similar instruments issued
or accepted by banks;  (v) for the payment of money relating to obligations with
respect to any lease that is properly  classified  as a  liability  on a balance
sheet in accordance  with generally  accepted  accounting  principles;  and (vi)
representing the balance deferred and unpaid for all or any part of the purchase
price of property or services  (except any such balance that  constitutes  (a) a


                                       -2-

<PAGE>


trade payable or an accrued liability arising in the ordinary course of business
or (b) a trade draft or note payable  issued in the ordinary  course of business
in connection  with the purchase of goods or services);  (b) all net obligations
of such Person under Interest Swap and Hedging Obligations;  (c) all liabilities
of others  described in the preceding  clauses (a) and (b) which such Person has
guaranteed or for which it is otherwise  liable and all obligations to purchase,
redeem or acquire any Capital Stock; and (d) any and all deferrals,  amendments,
renewals, extensions, supplements, refinancings or refundings (whether direct or
indirect) of any  liability  or  obligations  described in any of the  preceding
clauses (a), (b) or (c), or this clause (d), whether or not between or among the
same parties.

         "Interest  Swap and Hedging  Obligation"  means any  obligation  of any
person  pursuant  to  any  interest  rate  swap  agreement,  interest  rate  cap
agreement,  interest rate collar  agreement,  interest rate exchange  agreement,
currency  exchange  agreement or any other agreement or arrangement  designed to
protect against  fluctuations in interest rates or currency  values,  including,
without limitation, any arrangement whereby, directly or indirectly, such person
is  entitled  to  receive  from time to time  periodic  payments  calculated  by
applying either a fixed or floating rate of interest on a stated notional amount
in exchange for periodic  payments made by such person  calculated by applying a
fixed or floating rate of interest on the same notional amount.

         "Junior  Securities"  of any  Person  means any  Capital  Stock and any
Indebtedness of such Person that is (i)  subordinated in right of payment to the
Securities  and has no scheduled  installment  of principal  due, by redemption,
sinking fund  payment or  otherwise,  on or prior to the Stated  Maturity of the
Securities and (ii) subordinated in right of payment to all Senior  Indebtedness
at least to the same extent as the Securities.

         "Officer" means the President,  the Chief Operating  Officer,  any Vice
President,  the Treasurer, the Chief Financial Officer, any Assistant Treasurer,
the Secretary or any Assistant Secretary of the Company.

         "Securities Act" means the Securities Act of 1933, as amended from time
to time.

         "Securities" means the securities in the form of Exhibit A hereto.


                                       -3-

<PAGE>



         "Senior Indebtedness" means the principal,  premium, if any, and unpaid
interest  (including interest accruing on or after the filing of any petition in
bankruptcy or for reorganization  relating to the Company whether or not a claim
for  post-filing  interest  is  allowed  in  such  proceeding),  fees,  charges,
expenses,  reimbursement and indemnification  obligations, and all other amounts
payable under or in respect of (i) any  Indebtedness of the Company and (ii) any
and all deferrals,  renewals,  extensions,  refundings and refinancings (whether
direct or  indirect)  of any such  Indebtedness,  whether any such  Indebtedness
exists as of the date of this Indenture or shall hereafter be created, incurred,
assumed or guaranteed;  provided,  however,  that Senior  Indebtedness shall not
include  (A) the  Securities,  (B) the  Series  A  Debentures  or the  Series  B
Debentures, (C) Indebtedness of the Company owed or owing to a Subsidiary or any
officer,  director,  trustee or employee of the Company or any  Subsidiary,  (D)
Indebtedness  of the  Company  which,  pursuant  to the terms of the  instrument
creating or evidencing such  Indebtedness,  is expressly made pari passu with or
subordinate in right of payment to the Securities or (E) any liability for taxes
owed or owing to the Company.

         "Series A Debentures" means the Company's 7.5% Convertible Subordinated
Debentures  Due  2003,  Series  B, in the  aggregate  principal  amount of up to
$80,500,000,  issued  pursuant to a First  Supplemental  Indenture,  dated as of
October 7, 1996, between the Company and the Trustee.

         "Series B Debentures" means the Company's 7.5% Convertible Subordinated
Debentures Due 2003, Series B, in the aggregate principal amount of $149,500,000
issued pursuant to a Second Supplemental Indenture, dated as of October 7, 1996,
between the Company and the Trustee.

         "Trust  Officer",  when  used with  respect  to the  Trustee,  means an
officer of the Trustee  customarily  performing  functions  in  corporate  trust
matters or any other  officer of the  Trustee  to whom such  matter is  referred
because of his knowledge of and familiarity with the particular subject.

SECTION 1.2 Incorporation by Reference to Trust Indenture Act.

         Solely for purposes of this Supplement, Article One of the Indenture is
hereby amended to add thereto the following:

         SECTION  114.  Incorporation  by  Reference  to  Trust  Indenture  Act.
Whenever  this  Indenture  refers to a provision  of the TIA,  the  provision is
incorporated  by reference in and made a part of this  Indenture.  The following
TIA terms used in this Indenture have the following meanings:

                                       -4-

<PAGE>


         "Commission" means the Securities and Exchange Commission.

         "indenture securities" means the Securities.

         "indenture security holder" means a Securityholder.

         "indenture to be qualified" means this Indenture.

         "indenture trustee" or "institutional trustee" means the
         Trustee.

         "obligor" on the indenture securities means the Company or
         any other obligor on the indenture securities.

         All other  terms used in this  Indenture  that are  defined by the TIA,
defined by TIA reference to another statute or defined by Commission  rules have
the meanings assigned to them therein.

                                    ARTICLE 2

                                 THE SECURITIES

SECTION 2.1 Form; Dating; Incorporation of Form in Indenture.

         In accordance  with Sections 201 and 301 of the Indenture,  there shall
be and is hereby authorized a single series of Securities  designated the "7.25%
Convertible  Subordinated  Debentures  Due 2001" limited in aggregate  principal
amount to $40,000,000,  except for Securities  authenticated  and delivered upon
registration of transfer of, or in exchange for, or in lieu of, other Securities
pursuant to Sections 9.5 or 10.1 hereof or pursuant to Sections 304, 305, 306 or
1107 of the Indenture.

         Their  fixed  maturity  shall be October  1, 2001,  and they shall bear
interest at the rate per annum of 7.25%, from and including the date of issuance
thereof until maturity or earlier  redemption,  payable  semiannually on April 1
and October 1 commencing April 1, 1997,  until the principal  thereof is paid or
made available for payment.

         The  principal of and premium,  if any, and interest on the  Securities
shall be payable  at the  office or agency of the  Company in the City of Boston
maintained for such purpose and at any other office or agency  maintained by the
Company for such purpose; provided, however, that at the option of the Company

                                       -5-

<PAGE>



payment of  interest  may be made by check  mailed to the  address of the Person
entitled thereto as such address shall appear in the Security Register.

         The Securities shall be redeemable as provided in Article 3.

         The  Securities  shall be  subordinated  in right of  payment to Senior
Indebtedness, to the extent provided in Article 11 hereof.

         The Securities shall be convertible as provided in Article 10 hereof.

         The Securities and the Trustee's certificate of authentication shall be
substantially in the form of Exhibit A which is incorporated in and made part of
this  Supplement.  The Securities may have  notations,  legends or  endorsements
required  by law,  stock  exchange  rules,  agreements  to which the  Company is
subject,  or usage. The Company shall approve the form of the Securities and any
notation,  legend or endorsement on them.  Each Security shall be dated the date
of its authentication.

         The terms and provisions  contained in the Securities shall constitute,
and are  hereby  expressly  made,  a part of this  Supplement  and to the extent
applicable, the Company and the Trustee, by their execution and delivery of this
Supplement,  expressly  agree  to such  terms  and  provisions  and to be  bound
thereby.  The  Securities  shall be issuable  only in  registered  form  without
coupons.

SECTION 2.2 Registrar and Agents.

         The Company shall maintain an office or agency where  Securities may be
presented for registration of transfer or for exchange ("Registrar"),  an office
or agency where the Securities may be presented for payment ("Paying Agent"), an
office or agency where  Securities may be presented for conversion  ("Conversion
Agent") and an office or agency where notices and demands to or upon the Company
in respect of the  Securities and this  Supplement may be served.  The Registrar
shall keep a register of the Securities  (the "Security  Register") and of their
transfer and exchange.  The Company may have one or more co- registrars,  one or
more additional Paying Agents and one or more additional  Conversion Agents. The
Company or any Subsidiary may act as Paying Agent and/or  Conversion  Agent. The
term  "Paying  Agent"  includes  any  additional   paying  agent  and  the  term
"Conversion Agent" includes any additional conversion agent.


                                       -6-

<PAGE>



         The Company may change any Paying Agent, Registrar, Conversion Agent or
Co-Registrar  on sixty (60)  days'  prior  written  notice to the  Trustee.  The
Company  shall notify the Trustee in writing of the name and address of any such
Agent.  If the Company fails to maintain a Registrar,  Paying Agent,  Conversion
Agent  or  agent  for  service  of  notices  and  demands,  or fails to give the
foregoing notice, the Trustee shall act as such.

         The Company initially appoints the Trustee as Registrar,  Paying Agent,
Conversion Agent and agent for service of notices and demands.


SECTION 2.3 Paying Agent to Hold Money in Trust.

         On or before 11:00 a.m. (Boston time) on each due date of the principal
of,  premium if any, and interest on any  Securities,  the Company shall deposit
with each Paying Agent a sum sufficient to pay such principal,  premium, if any,
and interest so becoming  due. The Company shall require each Paying Agent other
than the Trustee to agree in writing  that it will hold in trust for the benefit
of Holders of the  Securities  or the Trustee all money held by the Paying Agent
for the payment of principal of,  premium if any, or interest on the  Securities
and to notify the Trustee of any default by the Company (or any other obligor on
the Securities) in making any such payment.  If the Company or a Subsidiary acts
as  Paying  Agent,  it shall on or  before  each due date of the  principal  of,
premium,  if any, or interest on any Securities  segregate the money and hold it
as a separate  trust fund. The Company at any time may require a Paying Agent to
pay all money held by it to the  Trustee  and the Trustee may at any time during
the continuance of any payment default,  upon written request to a Paying Agent,
require such Paying  Agent to  forthwith  pay to the Trustee all sums so held in
trust by such Paying  Agent.  Upon doing so, the Paying Agent (if other than the
Company or a Subsidiary thereof) shall have no further liability for the money.

SECTION 2.4 Outstanding Securities.

         Securities  outstanding  at any  time  are all  Securities  theretofore
authenticated  and  delivered  under  this  Supplement  except:  (a)  Securities
theretofore   canceled  by  the  Trustee  or   delivered   to  the  Trustee  for
cancellation;  and (b)  Securities  in  exchange  for or in lieu of which  other
Securities have been  authenticated  and delivered  pursuant to this Supplement,
other than any Securities in respect of which there shall have been presented to

                                       -7-

<PAGE>



the Trustee proof  satisfactory  to it that such  Securities  are held by a bona
fide  purchaser  in whose hands such  Securities  are valid  obligations  of the
Issuer;  provided,  that  in  determining  whether  the  Securityholders  of the
requisite principal amount of outstanding Securities are present at a meeting of
Securityholders  for quorum  purposes or have voted or taken or concurred in any
action  under this  Supplement,  including  the making of any  request,  demand,
authorization,  direction, notice, consent or waiver hereunder, Securities owned
by the Company or any other obligor upon the  Securities or any Affiliate of the
Company or such other obligor shall be disregarded  and deemed not  outstanding,
except that,  in  determining  whether the Trustee shall be protected in relying
upon any such  determination  as to the  presence  of a quorum  or upon any such
request,  demand,  authorization,  direction,  notice,  consent or waiver,  only
Securities  which a Trust Officer of the Trustee  actually  knows to be so owned
shall be disregarded.

         If a Security is replaced pursuant to Section 306 of the Indenture,  it
ceases to be outstanding  until the Trustee  receives proof  satisfactory  to it
that the replaced Security is held by a bona fide purchaser.

         If the Paying Agent (other than the Company or a Subsidiary) holds on a
Redemption  Date or maturity date money deposited with it by or on behalf of the
Company  sufficient  to pay the  principal  of,  premium,  if any,  and  accrued
interest on  Securities  payable on that date,  then on and after that date such
Securities cease to be outstanding and interest on them ceases to accrue.

         A Security does not cease to be  outstanding  because the Company or an
Affiliate holds the Security.

SECTION 2.5 Securityholder Lists.

         The  Trustee  shall  preserve  in as  current  a form as is  reasonably
practicable  the most recent list  available to it of the names and addresses of
Securityholders.  If the  Trustee  is not the  Registrar,  the  Registrar  shall
furnish to the Trustee at least  seven  Business  Days prior to each  semiannual
interest  payment  date and at such other times as the  Trustee  may  reasonably
request  in writing a list in such form and as of such date as the  Trustee  may
require of the names and addresses of Securityholders upon which the Trustee may
conclusively  rely.  The Trustee  may  destroy  any such list upon  receipt of a
replacement  list.  The Paying  Agent will solicit  from each  Securityholder  a
certification  of social  security number or taxpayer  identification  number in


                                       -8-

<PAGE>


accordance with its customary practice and as required by law, unless the Paying
Agent is in possession of such certification. Each Paying Agent is authorized to
impose   back-up   withholding   with   respect  to   payments  to  be  made  to
Securityholders to the extent required by law.

SECTION 2.6 CUSIP Number.

         The Company shall use a "CUSIP" number when issuing the Securities. The
Trustee  may use the CUSIP  number in notices of  redemption  or  exchange  as a
convenience to Securityholders;  provided that any such notice may state that no
representation  is made as to the  correctness  or accuracy of the CUSIP  number
printed in the notice or on the  Securities and that reliance may be placed only
on the other identification numbers printed on the Securities.

SECTION 2.7 Restrictions on Transfer.

         The Securities  shall be subject to certain  restrictions  on transfer,
set forth in Section 24 of the form of  Security  attached  hereto as Exhibit A.
The Security shall bear a legend substantially to the following effect:

                  IF  NECESSARY  TO EFFECT  COMPLIANCE  BY THE COMPANY  WITH THE
                  REQUIREMENTS  OF THE INTERNAL  REVENUE CODE 1986,  AS AMENDED,
                  RELATING TO REAL ESTATE  INVESTMENT  TRUSTS,  OWNERSHIP OF THE
                  SECURITY  REPRESENTED  HEREBY MAY BE RESTRICTED BY THE COMPANY
                  AND/OR THE  TRANSFER  HEREOF MAY BE  PROHIBITED,  AS SET FORTH
                  MORE FULLY ON THE REVERSE HEREOF.


                                    ARTICLE 3

                                   REDEMPTION

SECTION 3.1 Effect of Notice of Redemption.

         The  Securities  are subject to  redemption as provided in Section 3 of
the form of Security  attached hereto as Exhibit A. Once notice of redemption is
mailed,  Securities  called  for  redemption  become  due  and  payable  on  the
applicable  Redemption  Date  and  at  the  applicable  Redemption  Price.  Upon
surrender to the Paying Agent,  such Securities  shall be paid at the Redemption
Price, plus accrued interest to the Redemption Date.

                                       -9-

<PAGE>




                                    ARTICLE 4

                                    COVENANTS

SECTION 4.1 Payment of the Securities.

         Section 1001 of the Indenture is hereby  amended by adding  thereto the
following:

         The Company  shall pay interest on overdue  principal  and premium,  if
any,  at the  rate  borne by the  Security;  it shall  pay  interest,  including
post-petition interest in the event of a proceeding under any Bankruptcy Law, on
overdue installments of interest at the same rate to the extent lawful.

SECTION 4.2 Notice of Default.

         Article Ten of the  Indenture is hereby  amended by adding  thereto the
following:

         SECTION  1009.  Notice of  Default.  The Company  will,  so long as any
Securities are outstanding,  deliver to the Trustee,  within 10 days of becoming
aware of any  Default or Event of Default in the  performance  of any  covenant,
agreement or condition in this Indenture,  an Officers'  Certificate  specifying
such  Default or Event of  Default,  the period of  existence  thereof  and what
action the Company is taking or proposes to take with respect thereto.

SECTION 4.3 Limitation on Dividends and Other Distributions.

         Article Ten of the  Indenture is hereby  amended by adding  thereto the
following:

         SECTION  1010.  Limitation on Dividends  and Other  Distributions.  The
Company will not (i) declare or pay any dividend of make any distribution on its
shares of Common Shares or to holders of Common Shares (other than  dividends or
distributions  payable in Common Shares or other than as the Company  determines
in good faith is  necessary  to  maintain  its  qualification  as a real  estate
investment trust under the Code) or (ii) purchase,  redeem or otherwise  acquire
or retire for value any of its Common  Shares,  if at the time of such action an
Event of Default has occurred and is continuing or would exist immediately after
such action.  Notwithstanding the foregoing, the provisions of this Section 1010
will not prevent (i) the payment of any  dividend  within 60 days after the date


                                      -10-

<PAGE>


of declaration when the payment would have complied with the foregoing provision
on the date of  declaration,  or (ii)  the  Company's  retirement  of any of its
Common  Shares by  exchange  for, or out of the  proceeds  of the  substantially
concurrent sale of, other Common Shares.

                                    ARTICLE 5

                                    RESERVED

                                    ARTICLE 6

                              DEFAULTS AND REMEDIES

SECTION 6.1 Events of Default.

         (a)  Solely  for  purposes  of  this  Supplement,  Section  501  of the
Indenture  is hereby  amended by  deleting  paragraphs  (1) and (2)  thereof and
replacing said paragraphs in their entirety with the following:

                  (1) default in the payment of any  installment  interest  upon
         any Security or any Series A Debenture or any  installment  of interest
         upon or any  Additional  Amounts  payable  in  respect  of any Series B
         Debenture or of any coupon  appertaining  thereto,  when such interest,
         Additional  Amounts or coupon becomes due and payable,  and continuance
         of such default for a period of 30 days; or

                  (2) default in the payment of the principal of (or premium, if
         any,  on) any  Security  or any  Series  A  Debenture  or any  Series B
         Debenture when it becomes due and payable at its Maturity; or

         (b)  Solely  for  purposes  of  this  Supplement,  Section  501  of the
Indenture is hereby amended by deleting paragraph (3) thereof.

         (c)  Solely  for  purposes  of  this  Supplement,  Section  501  of the
Indenture is hereby  amended by deleting  paragraph (8) thereof and replacing it
with the following:

                  (8) the failure by the Company to perform  any  conversion  of
         the Securities,  the Series A Debentures or the Series B Debentures and
         the continuance of such failure for a period of 60 days;


                                      -11-

<PAGE>




SECTION 6.2 Rights of Holders to Receive Payment.

         Section  508 of the  Indenture  is hereby  amended to add  thereto  the
following:

         Notwithstanding any other provision of this Indenture, the right of any
Holder  of any  Security  to  convert  such  Security  or to bring  suit for the
enforcement of such right shall not be impaired or affected  without the written
consent of the Holder.

                                    ARTICLE 7

                                     TRUSTEE

SECTION 7.1 Duties of Trustee.

         Article Six of the  Indenture is hereby  amended by adding  thereto the
following:

         SECTION 612.  Duties of Trustee.

         (1) The duties and responsibilities of the Trustee shall be as provided
by the TIA. If an Event of Default has occurred and is  continuing,  the Trustee
shall  exercise its rights and powers vested in it by this Indenture and use the
same  degree  of care and skill in their  exercise  as a  prudent  Person  would
exercise or use under the circumstances in the conduct of his own affairs.

         (2) Except during the  continuance of an Event of Default and after the
curing or waiving of all such Events of Default which may have occurred:

                  (a) The  Trustee  need  perform  only  those  duties  that are
         specifically set forth in this Indenture,  and the Trustee shall not be
         liable except for the  performance  of such duties as are  specifically
         set forth in this Indenture, and no others, and no implied covenants or
         obligation shall be read into this Indenture against the Trustee.

                  (b) In the  absence of bad faith on its part,  the Trustee may
         conclusively   rely,  as  to  the  truth  of  the  statements  and  the
         correctness  of the opinions  expressed  therein,  upon any  statements
         certificates or opinions furnished to the Trustee and conforming to the
         requirements of this Indenture. The Trustee, however, shall examine the
         certificates  and opinions to determine  whether or not they conform to
         the requirements of this Indenture.

                                      -12-

<PAGE>



         (3)  The  Trustee  may  not be  relieved  from  liability  for  its own
negligent  action,  its  own  negligent  failure  to  act,  or its  own  willful
misconduct, except that:

                  (a) This  paragraph does not limit the effect of paragraph (2)
         of this Section 612.

                  (b) The Trustee  shall not be liable for any error in judgment
         made in good  faith by a Trust  Officer,  unless it is proved  that the
         Trustee was negligent in ascertaining the pertinent facts.

                  (c) The Trustee shall not be liable with respect to any action
         it takes or omits to take in good faith in accordance  with a direction
         received by it pursuant to Section 512.

                  (d) No provision of this  Indenture  shall require the Trustee
         to  expend  or risk its own  funds or  otherwise  incur  any  financial
         liability in the  performance of any of its duties  hereunder or in the
         exercise  of any of its rights or powers,  if it shall have  reasonable
         grounds  for  believing  that  repayment  of  such  funds  or  adequate
         indemnity  against such risk or liability is not reasonably  assured to
         it.

         (4) Every  provision of this  Indenture  that in any way relates to the
Trustee is subject to paragraphs  (1), (2), (3), (5) and (6) of this Section 612
and subject to Sections 315 and 316 of the TIA.

         (5) Subject to  subsection  (3),  the Trustee may refuse to perform any
duty or exercise any right or power  unless,  subject to the  provisions  of the
TIA,  it receives  indemnity  satisfactory  to it against  any loss,  liability,
expense or fee.

         (6) The Trustee shall not be liable for interest on any money  received
by it.  Money held in trust by the  Trustee  need not be  segregated  from other
funds except to the extent required by law.

SECTION 7.2 Eligibility; Disqualification.

         Section 607 of the  Indenture is hereby  amended by adding  thereto the
following:

         The Trustee  shall comply with TIA ss.  310(b),  including the optional
provision permitted by the second sentence of TIA ss. 310(b)(9).

                                      -13-

<PAGE>




SECTION 7.3 Preferential Collection of Claims Against Company.

         The  Trustee is  subject  to TIA ss.  311(a),  excluding  any  creditor
relationship  listed in TIA ss.  311(b).  A  Trustee  who has  resigned  or been
removed shall be subject to TIA ss. 311(a) to the extent indicated therein.


                                    ARTICLE 8

                     SATISFACTION AND DISCHARGE OF INDENTURE

SECTION 8.1 Defeasance of the Securities.

         The provisions  for defeasance of the Securities  under Section 1402 of
the Indenture and for covenant  defeasance of the Securities  under Section 1403
of the Indenture and all related provisions of Article 14 of the Indenture shall
apply with respect to the Securities.

                                    ARTICLE 9

                             AMENDMENTS AND WAIVERS

SECTION 9.1 Amendments and Waivers with Consent of Holders.

         Section  902 of the  Indenture  is hereby  amended to add  thereto  the
following:

         With the written  consent of the Holders of not less than a majority in
aggregate  principal  amount  of the  Securities  at the time  outstanding,  the
Company,  when  authorized  by Board  Resolution,  and the  Trustee may amend or
supplement  this  Indenture  (any such  amendment or  supplement to be in a form
satisfactory  to the  Trustee) or the  Securities  for the purpose of adding any
provisions to or changing in any manner or eliminating  any of the provisions of
this  Indenture or of any  supplemental  indenture or of modifying in any manner
the  rights of the  Holders of the  Securities.  The  Holders  of a majority  in
principal  amount of the Securities then  outstanding may waive  compliance in a
particular  instance by the Company with any provision of this  Indenture or the
Securities without notice to any Securityholder. Subject to Section 904, without
the  consent of each  Holder of  Securities  affected,  however,  an  amendment,
supplement or waiver, may not:

                  (1) make any change in Section 508 of this Indenture;

                                      -14-

<PAGE>



                  (2)  make any  change  that  adversely  affects  the  right to
         convert any Security; or

                  (3) make any change in  Article  11 of the Third  Supplemental
         Indenture,  dated as of October 7, 1996,  which  adversely  affects the
         rights of any Securityholder.

SECTION 9.2 Revocation and Effect of Consents.

         Section 904 of the  Indenture is hereby  amended by adding  thereto the
following:

         Subject  to  this  Indenture,  each  amendment,  supplement  or  waiver
evidencing  other action shall become  effective in  accordance  with its terms.
Until an amendment, supplement or waiver becomes effective, a consent to it by a
Holder of a Security is a  continuing  consent by the Holder even if notation of
the consent is not made on any Security.  Any such Holder or subsequent  Holder,
however, may revoke the consent as to his Security or portion of a Security,  if
the Trustee  receives the notice of  revocation  before the date the  amendment,
waiver or other action becomes effective.

         The Company may,  but shall not be obligated  to, fix a record date for
the purpose of  determining  the Holders  entitled to consent to any  amendment,
supplement  or  waiver.  If a record  date is fixed,  then  notwithstanding  the
provisions  of the  immediately  preceding  paragraph,  those  Persons  who were
Holders at such record date (or their duly  designated  proxies)  and only those
Persons, shall be entitled to consent to such amendment, supplement or waiver or
to revoke any consent previously given,  whether or not such Persons continue to
be Holders  after such record date.  No consent  shall be valid or effective for
more than 90 days after such  record  date unless  consent  from  Holders of the
principal  amount of Securities  then  outstanding  required  hereunder for such
amendment,  supplement or waiver to be effective  shall have also been given and
not revoked within such 90-day period.

         After an amendment, waiver or other action becomes effective,  pursuant
to  Section  901 or 902,  as the case may be, it shall  bind  every  Holder of a
Security.


                                      -15-

<PAGE>



                                   ARTICLE 10

                            CONVERSION OF SECURITIES

SECTION 10.1 Right of Conversion; Conversion Price.

         Subject to the provisions of Section 7 of the Securities, the Holder of
any Security or Securities shall have the right, at such Holder's option, at any
time before the close of business on October 1, 2003 (except that,  with respect
to any Security or portion of a Security  which shall be called for  redemption,
such right shall  terminate at the close of business on the second  Business Day
preceding the  Redemption  Date fixed for redemption of such Security or portion
of a Security  unless the Company shall  default in payment due upon  redemption
thereof),  to convert,  subject to the terms and  provisions of this Article 10,
the principal of any such Security or Securities or any portion thereof which is
$1,000  principal  amount or an integral  multiple  thereof  into Common  Shares
initially at the conversion  price per share of $18.00 or, in case an adjustment
of such price has taken place pursuant to the  provisions of Section 10.4,  then
at the price as last adjusted  (such price or adjusted  price being  referred to
herein as the "conversion price"), upon surrender of the Security or Securities,
the principal of which is so to be converted,  accompanied  by written notice of
conversion  duly  executed,  to the Company,  at any time during usual  business
hours at the office or agency  maintained  by it for such  purpose,  and,  if so
required  by  the  Conversion  Agent  or  Registrar,  accompanied  by a  written
instrument or  instruments  of transfer in form  satisfactory  to the Conversion
Agent  or  Registrar  duly  executed  by  the  Holder  or  his  duly  authorized
representative in writing. For convenience, the conversion of any portion of the
principal  of any  Security  or  Securities  into Common  Shares is  hereinafter
sometimes referred to as the conversion of such Security or Securities.

SECTION 10.2 Issuance of Shares on Conversion.

         As promptly as practicable after the surrender,  as herein provided, of
any Security or Securities for conversion, the Company shall deliver or cause to
be delivered at its said office or agency,  to or upon the written  order of the
Holder of the Security or Securities so surrendered,  certificates  representing
the  number of fully  paid and  nonassessable  Common  Shares  into  which  such
Security or  Securities  may be converted in accordance  with the  provisions of
this  Article  10. Such  conversion  shall be deemed to have been made as of the
close of business on the date that such Security or  Securities  shall have been


                                      -16-

<PAGE>


surrendered  for  conversion  by  delivery  thereof  with a  written  notice  of
conversion  duly executed,  so that the rights of the Holder of such Security or
Securities  as a  Securityholder  shall  cease at such time and,  subject to the
following  provisions  of this  paragraph,  the  Person or Persons  entitled  to
receive the Common Shares upon  conversion of such Security or Securities  shall
be treated  for all  purposes as having  become the record  holder or holders of
such Common Shares at such time and such  conversion  shall be at the conversion
price in effect at such time; provided,  however,  that no such surrender on any
date when the  stock  transfer  books of the  Company  shall be closed  shall be
effective  to  constitute  the Person or Persons  entitled to receive the Common
Shares  upon such  conversion  as the record  holder or  holders of such  Common
Shares on such date,  but such  surrender  shall be effective to constitute  the
Person or Persons entitled to receive such Common Shares as the record holder or
holders thereof for all purposes at the close of business on the next succeeding
day on which such stock transfer books are open; and provided,  further, that in
such event such  conversion  shall be at the  conversion  price in effect on the
date that such Security or Securities shall have been surrendered for conversion
by delivery thereof,  as if the stock transfer books of the Company had not been
closed.  The  Company  shall  give or cause to be given to the  Trustee  written
notice whenever the stock transfer books of the Company shall be closed.

         Upon  Conversion of any Security  which is converted in part only,  the
Company shall execute and the Trustee  shall  authenticate  and deliver to or on
the order of the Holder thereof,  at the expense of the Company,  a new Security
or  Securities  of  authorized  denominations  in principal  amount equal to the
unconverted portion of such Security.

SECTION 10.3 No Adjustment for Interest or Dividends.

         No payment or  adjustment  in respect of interest on the  Securities or
dividends on the Common Shares shall be made upon the conversion of any Security
or  Securities;  provided,  however,  that if a Security or any portion  thereof
shall be converted  subsequent to any regular record date and on or prior to the
next succeeding interest payment date, the interest falling due on such interest
payment date shall be payable on such interest payment date notwithstanding such
conversion,  and such interest  (whether or not punctually paid or duly provided
for) shall be paid to the Person in whose name such  Security is  registered  at
the close of business on such regular record date and Securities surrendered for
conversion  during the period from the close of  business on any regular  record


                                      -17-

<PAGE>


date to the opening of business on the corresponding  interest payment date must
be  accompanied  by payment of an amount equal to the  interest  payable on such
interest  payment date unless such interest  payment date is October 1, 1999, in
which case such payment in respect of interest is not required to accompany  any
such Securities.

SECTION 10.4 Adjustment of Conversion Price.

         (1) In  case  the  Company  shall  pay  or  make a  dividend  or  other
distribution on any class of Capital Stock of the Company in Common Shares,  the
conversion  price in effect at the opening of business on the day  following the
date fixed for the  determination  of  shareholders  entitled  to  receive  such
dividend or other distribution shall be reduced so that the same shall equal the
price determined by multiplying such conversion price by a fraction of which the
numerator  shall be the  number of  Common  Shares  outstanding  at the close of
business on the date fixed for such  determination  and the denominator shall be
the sum of such  number of shares  and the total  number of shares  constituting
such  dividend  or other  distribution,  such  adjustment  to  become  effective
immediately  after the opening of business on the day  following  the date fixed
for such determination and in the event that such dividend or other distribution
is not so made, or is made in part, the conversion price shall again be adjusted
to be the conversion price which would then be in effect (i) if such record date
has not been fixed or (ii) based on the actual number of shares actually issued,
as the case may be.

         (2) In case at any time the Company shall (A) subdivide its outstanding
Common  Shares into a greater  number of shares,  (B)  combine  its  outstanding
Common Shares into a smaller number of shares, or (C) issue by  reclassification
of its Common Shares (including any such  reclassification  in connection with a
consolidation or merger in which the Company is the continuing  corporation) any
shares of Capital Stock, the conversion price in effect at the effective date of
such  subdivision,  combination  or  reclassification  shall be  proportionately
adjusted so that the holder of any Security  surrendered  for  conversion  after
such time shall be entitled to receive the  aggregate  number and kind of shares
which,  if such Security had been converted  immediately  prior to such time, he
would have owned upon such  conversion  and been  entitled to receive  upon such
subdivision,  combination  or  reclassification.  Such  adjustment  shall become
effective immediately after the effective date of such subdivision,  combination
or  reclassification.  Such adjustment shall be made  successively  whenever any
event listed above shall occur.


                                      -18-

<PAGE>



         (3) In case at any time the  Company  shall  fix a record  date for the
issuance of rights,  options or  warrants  to all  holders of its Common  Shares
entitling  them to  subscribe  for or  purchase  Common  Shares  (or  securities
convertible  into  Common  Shares)  at a price per share  less than the  current
market  price per Common  Share on such record  date,  the  conversion  price in
effect at the opening of business on the day following such record date shall be
reduced so that the same shall equal the price  determined by  multiplying  such
conversion  price by a fraction  of which the  numerator  shall be the number of
Common Shares  outstanding at the close of business on such record date plus the
number of Common Shares (or its equivalent)  which the aggregate of the offering
price of the total  number of shares so offered  for  subscription  or  purchase
would purchase at such current market price per Common Share and the denominator
shall be the number of Common  Shares  outstanding  at the close of  business on
such record date plus the number of Common Shares (or its equivalent) so offered
for  subscription or purchase,  such reduction to become  effective  immediately
after the opening of business on the day following  such record date;  provided,
however,  that no adjustment to the  conversion  price shall be made pursuant to
this Section  10.4(3) if the holders of Securities  receive,  or are entitled to
receive upon  conversion or otherwise,  the same rights,  options or warrants as
are issued to the holders of Common Shares,  on the same terms and conditions as
such rights,  options or warrants are so issued to the holders of Common Shares.
Such reduction shall be made successively  whenever such a record date is fixed;
and in the event that such rights, options or warrants are not so issued, or are
issued in part, or are issued but all or part of which expire  unexercised,  the
conversion  price shall again be adjusted to be the conversion price which would
then be in effect  (i) if such  record  date had not been fixed or (ii) based on
the actual number of rights,  options or warrants  actually issued,  as the case
may be.

         (4) In case at any time the  Company  shall  fix a record  date for the
making of a distribution, by dividend or otherwise, to all holders of its Common
Shares,  of shares of beneficial  interest in  Hospitality  Properties  Trust, a
Maryland  real  estate  investment  trust  ("HPT"),  then in each  such case the
conversion  price in effect  after  such  record  date  shall be  determined  by
multiplying the conversion price in effect immediately prior to such record date
by a fraction,  of which the numerator  shall be the total number of outstanding
Common Shares  multiplied  by the current  market price per Common Share on such
record date,  less the fair market value (as  determined by a Board  Resolution,
whose  determination shall be conclusive and described in a statement filed with


                                      -19-

<PAGE>


the Trustee) of the shares of beneficial  interest in HPT so to be  distributed,
and of which the  denominator  shall be the total number of  outstanding  Common
Shares multiplied by such current market price per Common Share. Such adjustment
shall be made successively whenever such a record date is fixed and shall become
effective   immediately   after  the  record  date  for  the   determination  of
stockholders  entitled to receive the  distribution;  and in the event that such
distribution is not so made, the conversion  price shall again be adjusted to be
the  conversion  price which would then be in effect if such record date has not
been fixed.


         (5) For the purpose of any computation under paragraphs (3) and (4) for
this  Section,  the current  market  price per share of Common Stock on any date
shall be deemed to be the average of the Closing  Prices for the 15  consecutive
Business Days selected by the Company  commencing  not more than 30 and not less
than 20 Business Days before the date in question.

         (6) No adjustment in the conversion price shall be required unless such
adjustment (plus any adjustments not previously made by reason of this paragraph
(6))  would  require  an  increase  or  decrease  of at least 1% in such  price;
provided,  however,  that any adjustments  which by reason of this paragraph (6)
are not  required to be made shall be carried  forward and taken into account in
any subsequent  adjustment.  All calculations  under this paragraph (6) shall be
made to the nearest cent.

         (7) The Company may, but shall not be required to, make such reductions
in the  conversion  price,  in addition to those required by paragraph (1), (2),
(3) and (4) of this Section 10.4 as the Company's  Board of Directors  considers
to be  advisable  in order to avoid or diminish any income tax to any holders of
shares of Common Stock  resulting from any dividend or  distribution of stock or
issuance of rights or warrants  to purchase or  subscribe  for stock or from any
event  treated as such for income tax  purposes  or for any other  reasons.  The
Board of Directors  shall have the power to resolve any ambiguity or correct any
error in the  adjustments  made pursuant to this Section 10.4 and its actions in
so doing shall be final and conclusive.


                                      -20-

<PAGE>



         (8) The  adjustments  provided  for in this  Section 10.4 shall be made
successively whenever any event listed above shall occur.

SECTION 10.5 Notice of Adjustment of Conversion Price.

         Whenever the conversion  price for the Securities is adjusted as herein
provided:

                  (1) the Company shall compute the adjusted conversion price in
         accordance with Section 10.4 and shall prepare an Officers' Certificate
         setting forth the adjusted  conversion  price and showing in reasonable
         detail  the  facts  upon  which  such   adjustment  is  based  and  the
         computation  thereof,  and such certificate shall forthwith be filed at
         each office or agency  maintained  for the purpose of conversion of the
         Securities pursuant to Section 2.4 and with the Trustee; and

                  (2) a  notice  stating  that  the  conversion  price  has been
         adjusted and setting forth the adjusted  conversion price shall as soon
         as  practicable  be  mailed  by  the  Company  to  all  Holders  of the
         Securities at their last addresses as they shall appear in the Security
         Register.

                  (3) If the conversion  price is adjusted and the Company fails
         to file an  Officers'  Certificate  with the  Trustee  as  provided  by
         Section 10.5(1) and the Trustee is acting as the Conversion  Agent, the
         Trustee shall be entitled to rely  conclusively on the conversion price
         set forth in the Officer's  Certificate  most recently  received by the
         Trustee (or as set forth in the  Securities  and this  Indenture if the
         conversion price shall not have been adjusted).

SECTION 10.6 Notice of Certain Corporate Action.

         (1)  In case:

                  (a) the Company shall authorize the granting to holders of its
         Common Shares of rights or warrants  entitling them to subscribe for or
         purchase  any  shares  of  Capital  Stock of any  class or of any other
         rights; or

                  (b)  of  any  reclassification  of the  Common  Shares  of the
         Company,  or of any  distribution  of any assets of the  Company to the
         holders  of its Common  Shares,  or of any  consolidation  or merger to
         which the Company is a party and for which approval of any shareholders
         of the  Company  is  required,  or of the  sale or  transfer  of all or
         substantially all of the assets of the Company; or

                                      -21-

<PAGE>


       

                  (c) of the voluntary or involuntary  dissolution,  liquidation
         or winding up of the Company;

then the Company shall cause to be filed at each office or agency maintained for
the purpose of  conversion of the  Securities  pursuant to Section 2.2 and shall
cause to be mailed to the  Trustee and all  Holders of the  Securities  at their
last addresses as they shall appear in the Security  Register,  at least 20 days
(or 10 days in any case  specified  in  clause  (a) or (b)  above)  prior to the
applicable record date hereinafter  specified,  a notice stating (x) the date on
which a record is to be taken for the  purpose of such  dividend,  distribution,
rights or warrants, or, if a record is not to be taken, the date as of which the
Holders  of  Common   Shares  of  record  to  be  entitled  to  such   dividend,
distribution,  rights or warrants are to be determined, or (y) the date on which
such  reclassification,  consolidation,  merger,  sale,  transfer,  dissolution,
liquidation  or winding up is expected to become  effective,  and the date as of
which it is expected  that holders of Common  Shares of record shall be entitled
to  exchange  their  Common  Shares  for  securities,  cash  or  other  property
deliverable upon such reclassification,  consolidation,  merger, sale, transfer,
dissolution,  liquidation  or winding up. Such notice  shall also state  whether
such  transaction  will  result  in  any  adjustment  in  the  conversion  price
applicable  to the  Securities  and,  if  so,  shall  state  what  the  adjusted
conversion price will be and when it will become effective.  Neither the failure
to give the notice  required by this  Section,  nor any defect  therein,  to any
particular  Holder shall affect the sufficiency of the notice or the legality or
validity of any such dividend, distribution,  right, warrant,  reclassification,
consolidation,  merger, sale, transfer, liquidation,  dissolution or winding-up,
or the vote on any action authorizing such with respect to the other holders.

         (2) In case the Company or any  Affiliate of the Company  shall propose
to engage in a "Rule  13e-3  Transaction"  as defined in the  Commission's  Rule
13e-3 under the Exchange Act, the Company shall, no later than the date on which
any information with respect to such Rule 13e-3 Transaction is first required to
be given to the  Commission  or any other  Person  pursuant  to such Rule 13e-3,
cause to be mailed to all Holders at their last  addresses  as they shall appear
in the Security Register,  a copy of all information required to be given to the
holders  of the  Company's  Capital  Stock  pursuant  to such  Rule  13e-3.  The


                                      -22-

<PAGE>


information  required to be given under this  paragraph  shall be in addition to
and not in lieu of any other  information  required  to be given by the  Company
pursuant to this Section 10.6 or any other  provision of the  Securities or this
Indenture.

SECTION 10.7 Taxes on Conversions.

         The  Company  will pay any and all stamp or  similar  taxes that may be
payable in respect of the issuance or delivery of Common Shares on conversion of
the Securities  pursuant hereto. The Company shall not, however,  be required to
pay any tax which may be  payable in respect  of any  transfer  involved  in the
issuance and  delivery of Common  Shares in a name other than that of the Holder
of the Security or Securities to be converted,  and no such issuance or delivery
shall be made unless and until the Person  requesting  such issuance has paid to
the Company the amount of any such tax, or has  established to the  satisfaction
of the Company that such tax has been paid.

SECTION 10.8 Fractional Shares.

         No fractional shares or scrip  representing  fractional shares shall be
issued upon any  conversion  of the  Securities.  If any such  conversion  would
otherwise  require the  issuance of a  fractional  share an amount equal to such
fraction  multiplied by the current market price per Common Share (determined as
provided in paragraph  (5) of Section  10.4) on the day of  conversion  shall be
paid to the Holder in cash by the Company.

SECTION 10.9 Cancellation of Converted Securities.

         All  Securities  delivered  for  conversion  shall be  delivered to the
Trustee or the  Conversion  Agent to be canceled by or at the  direction  of the
Trustee or the Conversion Agent,  which shall dispose of the same as provided in
Section 309 of the Indenture.

SECTION 10.10 Provisions in Case of Consolidation, Merger or Sale of Assets.

         (1) In case of any  consolidation of the Company with, or merger of the
Company into,  any Person,  or in case of any merger of another  Person into the
Company  (other  than a  consolidation  or merger  which  does not result in any
reclassification,  conversion,  exchange or cancellation  of outstanding  Common
Shares),  or in case of any sale or transfer of all or substantially  all of the
assets of the Company, the Person formed by such consolidation or resulting from
such merger or which acquires such assets, as the case may be, shall execute and
deliver to the Trustee a  supplemental  indenture  providing  that the Holder of


                                      -23-

<PAGE>


each  Security  then  outstanding  shall have the right  thereafter,  during the
period such  Security  shall be  convertible  as  specified  in Section  10.1 to
convert  such  Security  only into the kind and amount of  securities,  cash and
other property receivable upon such consolidation, merger, sale or transfer by a
holder of the number of Common Shares into which such  Security  might have been
converted  immediately prior to such  consolidation,  merger,  sale or transfer.
Such  supplemental  indenture  shall provide for adjustments  which,  for events
subsequent to the effective  date of such  supplemental  indenture,  shall be as
nearly equivalent as may be practicable to the adjustments  provided for in this
Article 10. The above  provisions of this Section 10.10 shall similarly apply to
successive consolidations, mergers, sales or transfers.

         (2) The Trustee shall not be under any  responsibility to determine the
correctness  of any  provisions  contained  in any such  supplemental  indenture
relating  either  to the kind or amount  of  shares  of stock or  securities  or
property receivable by Holders upon the conversion of their Securities after any
such reclassification,  change, consolidation,  merger, sale or conveyance or to
any adjustment to be made with respect thereto.

SECTION 10.11 Disclaimer by Trustee of Responsibility for Certain Matters.

         The Trustee and each  Conversion  Agent  (other than the Company or any
Subsidiary)  shall  not at any time be under any duty or  responsibility  to any
Holder of the Securities to determine  whether any facts exist which may require
any adjustment of the conversion  price,  how it should be calculated or what it
should be, or with respect to the nature or extent of any such  adjustment  when
made, or with respect to the method  employed,  or herein or in any supplemental
indenture  provided  to be  employed,  in making the same.  The Trustee and each
Conversion  Agent  (other  than the  Company  or any  Subsidiary)  shall  not be
accountable  with respect to the validity,  value,  kind or amount of any Common
Shares,  or of any  securities  or property,  which may at any time be issued or
delivered  upon the conversion of any Security;  and it makes no  representation
with  respect  thereto.  The Trustee and each  Conversion  Agent (other than the
Company  or any  Subsidiary)  shall not be  responsible  for any  failure of the
Company to issue, transfer or deliver any Common Shares or share certificates or
other  securities or property upon the surrender of any Security for the purpose
of conversion or, subject to Section 7.1, to comply with any of the covenants of
the Company contained in this Article 10.

                                      -24-

<PAGE>




SECTION 10.12 Covenant to Reserve Shares.

         The  Company  covenants  that it will at all  times  reserve  and  keep
available,  free from preemptive  rights,  out of its authorized  Common Shares,
solely for the purpose of issuance upon  conversion of the  Securities as herein
provided,  such  number of  Common  Shares as shall  then be  issuable  upon the
conversion of all outstanding Securities.  The Company covenants that all Common
Shares which shall be so issuable shall be, when issued, duly and validly issued
and fully paid and  non-assessable.  For  purposes of this  Section  10.12,  the
number of Common Shares which shall be  deliverable  upon the  conversion of all
outstanding  Securities  shall be computed as if at the time of computation  all
outstanding Securities were held by a single holder.

                                   ARTICLE 11

                                  SUBORDINATION

SECTION 11.1 Securities Subordinated to Senior Indebtedness.

         The Company and each Holder,  by its  acceptance of  Securities,  agree
that (a) the payment of the principal of and interest on the  Securities and (b)
any other  payment  in respect of the  Securities,  including  on account of the
acquisition or redemption of the Securities by the Company is  subordinated,  to
the extent and in the manner  provided in this Article 11, to the prior  payment
in full of all Senior Indebtedness of the Company,  and all other Obligations in
respect  thereof,  whether  outstanding  at  the  date  of  this  Supplement  or
thereafter   created,   incurred,   assumed  or   guaranteed,   and  that  these
subordination   provisions  are  for  the  benefit  of  the  holders  of  Senior
Indebtedness.

         This Article 11 shall constitute a continuing offer to all Persons who,
in reliance upon such provisions, become holders of, or continue to hold, Senior
Indebtedness,  and such  provisions  are made for the  benefit of the holders of
Senior Indebtedness, and such holders are made obligees hereunder and any one or
more of them may enforce such provisions.

         To the  extent  any  provision  of  this  Article  11  conflicts  or is
inconsistent  with any other provision of the Indenture or this Supplement,  the
provisions of this Article 11 shall govern and supersede  such  inconsistent  or
conflicting provision.


                                      -25-

<PAGE>



SECTION 11.2 No Payment on Securities in Certain Circumstances.

         (a) No payment may be made by the  Company on account of the  principal
of, premium, if any, interest on the Securities, or to acquire or repurchase any
of the  Securities  for  cash  or  property,  or on  account  of the  redemption
provisions of the Securities,  in each case other than payments made with Junior
Securities of the Company,  (i) upon the maturity of any Senior  Indebtedness of
the Company by lapse of time, acceleration (unless waived) or otherwise,  unless
and until all  principal  of,  premium,  if any,  and  interest  on such  Senior
Indebtedness  and all other  [Obligations]  in respect thereof are first paid in
full (or such payment is duly provided  for), or (ii) in the event of default in
the payment of any principal of,  premium,  if any, or interest on, or any other
Obligation in respect of, any Senior Indebtedness of the Company when it becomes
due and  payable,  whether at maturity or at a date fixed for  prepayment  or by
declaration  or otherwise (a "Payment  Default"),  unless and until such Payment
Default has been cured or waived by the holders of such Senior  Indebtedness  or
otherwise has ceased to exist.

         (b) Upon (i) the happening of an event of default (other than a Payment
Default)  that  permits  the  holders  of  any  Senior   Indebtedness  or  their
representative immediately to accelerate its maturity and (ii) either such event
of default shall be the subject of a judicial  proceeding  or written  notice of
such event of default  given to the  Company  by the  requisite  holders of such
Senior Indebtedness or their  representative (a "Payment Notice"),  then, unless
and until  such  event of  default  has been  cured or  waived by the  requisite
holders of such Senior Indebtedness or otherwise has ceased to exist, no payment
(by set-off or otherwise)  may be made by or on behalf of the Company on account
of the principal of, premium, if any, interest on the Securities,  or to acquire
or repurchase any of the  Securities for cash or property,  or on account of the
redemption  provisions of the  Securities,  in any such case other than payments
made with Junior Securities of the Company.

         (c) In  furtherance  of the  provisions  of Section  11.1, in the event
that, notwithstanding the foregoing provisions of this Section 11.2, any payment
or distribution of assets of the Company (other than Junior Securities) shall be
received by the  Trustee or the Holders or any Paying  Agent at a time when such
payment or  distribution  is prohibited by the  provisions of this Section 11.2,
then such  payment or  distribution  shall be received  and held in trust by the
Trustee or such Holders or Paying Agent (or, if the Company or any  Affiliate of
the  Company is acting as its own Paying  Agent,  money for any such  payment or


                                      -26-

<PAGE>


distribution  shall be  segregated  or held in  trust)  for the  benefit  of the
holders of Senior Indebtedness of the Company, and shall be paid or delivered by
the  Trustee or such  Holders or such Paying  Agent,  as the case may be, to the
holders of Senior Indebtedness of the Company remaining unpaid or unprovided for
or their representative or representatives,  or to the trustee or trustees under
any indenture  pursuant to which any  instruments  evidencing any of such Senior
Indebtedness  of the  Company may have been  issued,  ratably  according  to the
aggregate amounts remaining unpaid on account of the Senior  Indebtedness of the
Company  held or  represented  by each,  for  application  to the payment of all
Senior Indebtedness of the Company in full after giving effect to any concurrent
payment and distribution to the holders of such Senior Indebtedness, but only to
the extent  that as to any holder of such  Senior  Indebtedness,  as promptly as
practical following receipt by such holder of written notice from the Trustee to
the holders of such Senior  Indebtedness  that such prohibited  payment has been
received by the Trustee,  Holder(s) or Paying Agent (or has been  segregated  as
provided above), such holder (or a representative therefor) notifies the Trustee
in writing of the  amounts  then due and owing on such Senior  Indebtedness,  if
any,  held by such holder and only the amounts  specified in such notices to the
Trustee shall be paid to the holders of such Senior Indebtedness.

SECTION 11.3 Securities Subordinated to Prior Payment of All Senior Indebtedness
             on Dissolution, Liquidation or Reorganization.

         Upon any  distribution  of assets of the Company upon any  dissolution,
winding up,  total or partial  liquidation  or  reorganization  of the  Company,
whether voluntary or involuntary, in bankruptcy,  insolvency,  receivership or a
similar  proceeding  or upon  assignment  for the  benefit of  creditors  or any
marshalling of assets or liabilities:

         (a) the holders of all Senior  Indebtedness  of the Company shall first
be entitled to receive payments in full (or have such payment duly provided for)
before  the  Holders  are  entitled  to  receive  any  payment on account of the
principal of, premium,  if any, interest on, and Additional Amounts with respect
to, the Securities (other than Junior Securities);

         (b) any payment or distribution of assets of the Company of any kind or
character,   whether  in  cash,   property  or  securities  (other  than  Junior
Securities)  to which the Holders or the Trustee on behalf of the Holders  would
be entitled (by set-off or otherwise), except for the provisions of this Article


                                      -27-

<PAGE>


11, shall be paid by the  liquidating  trustee or agent or other  Person  making
such a payment or distribution directly to the holders of Senior Indebtedness of
the Company or their  representative  to the extent necessary to make payment in
full of all such Senior  Indebtedness  remaining unpaid,  after giving effect to
any  concurrent   payment  or   distribution  to  the  holders  of  such  Senior
Indebtedness; and

         (c) in the event that,  notwithstanding  the foregoing,  any payment or
distribution of assets of the Company of any kind or character, whether in cash,
property or securities (other than Junior Securities),  shall be received by the
Trustee or the Holders or any Paying Agent (or, if the Company or any  Affiliate
of the Company is acting as its own Paying Agent,  money for any such payment or
distribution  shall be  segregated or held in trust) on account of the principal
of,  premium,  if any,  interest on, or Additional  Amounts with respect to, the
Securities  before all Senior  Indebtedness of the Company is paid in full, such
payment or  distribution  shall be received  and held in trust by the Trustee or
such Holder or Paying Agent (or, if the Company or any  Affiliate of the Company
is acting as its own Paying  Agent,  money for any such payment or  distribution
shall be  segregated  or held in trust) for the  benefit of the  holders of such
Senior  Indebtedness,  or their  respective  representative,  or the  trustee or
trustees under any indenture pursuant to which any instruments evidencing any of
such Senior Indebtedness of the Company may have been issued,  ratably according
to the  respective  amounts of such Senior  Indebtedness  held or represented by
each,  to the extent  necessary to make  payment as provided  herein of all such
Senior  Indebtedness  remaining  unpaid  after giving  effect to all  concurrent
payments and distributions and all provisions  therefor to or for the holders of
such Senior  Indebtedness,  but only to the extent that as to any holder of such
Senior  Indebtedness,  as promptly as practical following receipt by such holder
of written  notice from the  Trustee to the holders of such Senior  Indebtedness
that such  prohibited  payment has been  received by the  Trustee,  Holder(s) or
Paying  Agent (or has been  segregated  as  provided  above),  such holder (or a
representative therefor) notifies the Trustee in writing of the amounts then due
and owing on such Senior Indebtedness,  if any, held by such holder and only the
amounts specified in such notices to the Trustee shall be paid to the holders of
such Senior Indebtedness.

SECTION 11.4  Securityholders  to Be  Subrogated  to Rights of Holders of Senior
              Indebtedness.

         Subject  to the  payment  in full  of all  Senior  Indebtedness  of the
Company as provided herein, the Holders of Securities shall be subrogated to the
rights of the  holders  of such  Senior  Indebtedness  to  receive  payments  or


                                      -28-

<PAGE>



distributions  of assets of the Company  applicable  to the Senior  Indebtedness
until all amounts  owing on the  Securities  shall be paid in full,  and for the
purpose of such  subrogation no such payments or distributions to the holders of
such Senior  Indebtedness  by the Company,  or by or on behalf of the Holders by
virtue of this Article 11, which  otherwise  would have been made to the Holders
shall,  as between the Company and the  Holders,  be deemed to be payment by the
Company on account of such Senior  Indebtedness,  it being  understood  that the
provisions  of this  Article 11 are and are  intended  solely for the purpose of
defining the relative rights of the Holders, on the one hand, and the holders of
such Senior Indebtedness, on the other hand.

         If any payment or  distribution  to which the Holders  would  otherwise
have been  entitled  but for the  provisions  of this Article 11 shall have been
applied,  pursuant  to the  provisions  of this  Article  11, to the  payment of
amounts payable under Senior Indebtedness of the Company, then the Holders shall
be entitled to receive from the holders of such Senior Indebtedness any payments
or  distributions  received by such holders of Senior  Indebtedness in excess of
the amount  sufficient  to pay all amounts  payable  under or in respect of such
Senior Indebtedness in full.

SECTION 11.5 Obligations of the Company Unconditional.

         Nothing contained in this Article 11 or elsewhere in this Supplement or
in the  Securities is intended to or shall impair as between the Company and the
Holders,   the   obligation   of  each  such  Person,   which  is  absolute  and
unconditional, to pay to the Holders the principal of, premium, if any, interest
on, and Additional  Amounts with respect to, the Securities as and when the same
shall become due and payable in accordance  with their terms,  or is intended to
or shall affect the relative  rights of the Holders and creditors of the Company
other than the holders of the Senior Indebtedness,  nor shall anything herein or
therein prevent the Trustee or any Holder from exercising all remedies otherwise
permitted by applicable  law upon default under this  Indenture,  subject to the
rights, if any, under this Article 11, of the holders of Senior  Indebtedness in
respect  of cash,  property  or  securities  of the  Company  received  upon the
exercise of any such  remedy.  Notwithstanding  anything to the contrary in this
Article  11 or  elsewhere  in this  Supplement  or in the  Securities,  upon any
distribution  of assets of the  Company  referred  to in this  Article  11,  the
Trustee, subject to the provisions of Sections 602 and 612 of the Indenture, and


                                      -29-

<PAGE>


the Holders shall be entitled to rely conclusively upon any order or decree made
by any court of competent  jurisdiction in which such  dissolution,  winding up,
liquidation or reorganization  proceedings are pending,  or a certificate of the
liquidating  trustee or agent or other  Person  making any  distribution  to the
Trustee or to the Holders for the purpose of ascertaining  the Persons  entitled
to participate in such distribution,  the holders of the Senior Indebtedness and
other  Indebtedness of the Company,  the amount thereof or payable thereon,  the
amount or amounts  paid or  distributed  thereon and all other  facts  pertinent
thereto or to this  Article 11 so long as such  court has been  apprised  of the
provisions  of, or the order,  decree or  certificate  makes  reference  to, the
provisions   of  this  Article  11.  The  Trustee  shall  be  entitled  to  rely
conclusively on the delivery to it of a written notice by a person  representing
himself to be a holder of Senior Indebtedness (or a trustee or representative on
behalf of such  holder)  to  establish  that such a notice  has been  given by a
holder of Senior  Indebtedness (or a trustee or representative on behalf of such
holder). In the event that the Trustee  determines,  in good faith, that further
evidence  is  required  with  respect  to the right of any person as a holder of
Senior  Indebtedness to participate in any payment or  distribution  pursuant to
this Article 11, the Trustee may request such person to furnish  evidence to the
reasonable  satisfaction of the Trustee as to the amount of Senior  Indebtedness
held by such  person,  as to the  extent to which  such  person is  entitled  to
participate in such payment or distribution,  and as to other facts pertinent to
the rights of such person  under this  Article  11, and if such  evidence is not
furnished,  the Trustee may defer any  payment to such person  pending  judicial
determination as to the right of such person to receive such payment. Nothing in
this Article 11 shall apply to the claims of, or payments to, the Trustee  under
or pursuant to Section 606 of the Indenture.

SECTION 11.6 Trustee  Entitled to Assume  Payments Not  Prohibited in Absence of
             Notice.

         The Trustee or any Paying Agent  (other than the Company  acting as its
own  Paying  Agent)  shall  not at any time be  charged  with  knowledge  of the
existence  of any facts which would  prohibit the making of any payment to or by
the Trustee or such Paying Agent unless and until a Trust Officer of the Trustee
or such Paying Agent (other than the Company acting as its own Paying Agent), as
the case may be,  shall have  received,  no later than one Business Day prior to
such  payment,  written  notice  thereof  from the  Company  or from one or more

                                      -30-

<PAGE>


holders of Senior Indebtedness or from any representative therefor and, prior to
the receipt of any such written notice,  the Trustee,  subject to the provisions
of  Sections  602 and 612 of the  Indenture,  and  such  Paying  Agent  shall be
entitled in all respects conclusively to assume that no such fact exists.

SECTION 11.7 Application by Trustee of Assets Deposited with It.

         Any deposit of assets with the Trustee or the Agent  (whether or not in
trust) for the payment of  principal of or interest  on, or  Additional  Amounts
with respect to, any  Securities  shall be subject to the provisions of Sections
11.1, 11.2, 11.3 and 11.4; provided that, if prior to one Business Day preceding
the date on which by the terms of this  Supplement  any such  assets  may become
distributable for any purpose  (including,  without  limitation,  the payment of
either  principal of or interest on any  Security) the Trustee or a Paying Agent
shall not have received with respect to such assets the written notice  provided
for in Section 11.6, then the Trustee or such Paying Agent shall have full power
and  authority  to receive  such assets and to apply the same to the purpose for
which  they  were  received,  and  shall not be  affected  by any  notice to the
contrary which may be received by it on or after such date.

SECTION  11.8  Subordination  Rights Not  Impaired by Acts or  Omissions  of the
               Company or Holders of Senior Indebtedness.

         No right of any present or future holders of any Senior Indebtedness to
enforce subordination  provisions contained in this Article 11 shall at any time
in any way be prejudiced or impaired by any act or failure to act on the part of
the Company or by any act or failure to act, in good faith,  by any such holder,
or by any  noncompliance  by the  Company  with the  terms  of this  Supplement,
regardless  of any  knowledge  thereof  which  any  such  holder  may have or be
otherwise  charged with. The holders of Senior  Indebtedness may extend,  renew,
modify or amend the terms of the Senior  Indebtedness  or any security  therefor
and release,  sell or exchange such security and otherwise  deal freely with the
Company, all without affecting the liabilities and obligations of the parties to
this Indenture or the Holders.

SECTION 11.9  Securityholders  Authorize Trustee to Effectuate  Subordination of
              Securities.

         Each Holder of the Securities by his acceptance  thereof authorizes and
expressly  directs  the  Trustee  on his  behalf to take  such  action as may be
necessary or appropriate to effectuate the subordination provisions contained in
this  Article  11 and to  protect  the rights of the  Holders  pursuant  to this


                                      -31-

<PAGE>



Supplement,  and appoints  the Trustee its  attorney-in-fact  for such  purpose,
including,  in  the  event  of  any  dissolution,  winding  up,  liquidation  or
reorganization of the Company (whether in bankruptcy, insolvency or receivership
proceedings  or upon an assignment for the benefit of creditors of the Company),
the  making  of a  timely  filing  of a claim  for  the  unpaid  balance  of its
Securities in the form required in said  proceedings  and cause said claim to be
approved.  If the Trustee  does not file a proper  claim or proof of debt in the
form required in such  proceeding  prior to 30 days before the expiration of the
time to file such claim or claims,  then the holders of the Senior  Indebtedness
or their  representative  are or is hereby  authorized to have the right to file
and are or is hereby  authorized to file an appropriate  claim for and on behalf
of the Holders of said  Securities.  Nothing herein contained shall be deemed to
authorize  the  Trustee  or  the  holders  of  Senior   Indebtedness   or  their
representative  to  authorize  or consent to or accept or adopt on behalf of any
Securityholder   any  plan  of   reorganization,   arrangement,   adjustment  or
composition  affecting the Securities or the rights of any Holder thereof, or to
authorize  the  Trustee  or  the  holders  of  Senior   Indebtedness   or  their
representative to vote in respect of the claim of any Securityholder in any such
proceeding.

SECTION 11.10 Right of Trustee to Hold Senior Indebtedness.

         The  Trustee  shall be  entitled to all of the rights set forth in this
Article 11 in respect of any Senior  Indebtedness  at any time held by it to the
same  extent as any other  holder of Senior  Indebtedness,  and  nothing in this
Supplement  shall be  construed  to deprive  the Trustee of any of its rights as
such holder.

SECTION 11.11 Article 11 Not to Prevent Events of Default.

         The failure to make a payment on account of principal of,  premium,  if
any,  interest on, or  Additional  Amounts with  respect to, the  Securities  by
reason of any  provision of this Article 11 shall not be construed as preventing
the  occurrence  of a Default or an Event of Default  under  Section  501 of the
Indenture or in any way prevent the Holders or the Trustee from  exercising  any
right or remedy hereunder or at law or in equity other than the right to receive
payment on the Securities in accordance with the terms of this Article 11.


                                      -32-

<PAGE>



SECTION 11.12 No Fiduciary Duty of Trustee to Holders of Senior Indebtedness.

         The  Trustee  shall  not be  deemed  to owe any  fiduciary  duty to the
holders  of Senior  Indebtedness,  and  shall not be liable to any such  holders
(other than for its willful  misconduct or negligence) if it shall in good faith
mistakenly pay over or distribute to the Holders of Securities or the Company or
any other  Person,  cash,  property or securities to which any holders of Senior
Indebtedness  shall be  entitled  by virtue  of this  Article  11 or  otherwise.
Nothing in this  Section  11.12 shall  affect the  obligation  of any other such
Person to hold such payment for the benefit of, and to pay such payment over to,
the holders of Senior  Indebtedness or their  representative  in accordance with
the provisions hereof.

                                   ARTICLE 12

                                  MISCELLANEOUS

SECTION 12.1 Trust Indenture Act Controls.

         If any provision of this Indenture limits,  qualifies or conflicts with
another provision which is required to be included in this Indenture by the TIA,
the  required  provisions  shall  control.  The  provisions  of TIA Sections 310
through  317  that  impose  duties  on  any  Person  (including  the  provisions
automatically   deemed  included  herein  unless  expressly   excluded  by  this
Indenture)  are a part of and govern this  Indenture,  whether or not physically
contained herein.

SECTION 12.2 Communications by Holders with Other Holders.

         Securityholders  may communicate  pursuant to TIA ss. 312(b) with other
Securityholders  with  respect  to their  rights  under  this  Indenture  or the
Securities.  The Company,  the Trustee, the Registrar and anyone else shall have
the protection of TIA ss. 312(c).


                                      -33-

<PAGE>



SECTION 12.3 Governing Law.

         The  laws  of The  Commonwealth  of  Massachusetts  shall  govern  this
Supplement and the Securities without regard to principles of conflicts of law.

SECTION 12.4 No Adverse Interpretation of Other Agreements.

         This Supplement may not be used to interpret another indenture, loan or
debt agreement of the Company or a Subsidiary.  Any such indenture, loan or debt
agreement may not be used to interpret this Supplement.

SECTION 12.5 Successors.

         All covenants and agreements of the Company in this  Supplement and the
Securities shall bind its successors and assigns.  All agreements of the Trustee
in this Indenture shall bind its successors and assigns.

SECTION 12.6 Multiple Counterparts.

         The parties may sign multiple  counterparts  of this  Supplement.  Each
signed  counterpart  shall  be  deemed  an  original,  but all of them  together
represent the same agreement.

SECTION 12.7 Headings, etc.

         The headings of the Articles and Sections of this  Supplement have been
inserted for  convenience  of reference  only,  are not to be  considered a part
hereof,  and shall in no way modify or restrict  any of the terms or  provisions
hereof.

SECTION 12.8 Severability.

         In case any provision in this Supplement or in the Securities  shall be
invalid, illegal or unenforceable,  the validity, legality and enforceability of
the remaining  provisions shall not in any way be affected or impaired  thereby,
and a Holder shall have no claim therefor against any party hereto.



                                      -34-

<PAGE>



         IN WITNESS  WHEREOF,  the parties hereto have caused this Supplement to
be duly executed, all as of the date first written above.

                                   HEALTH AND RETIREMENT PROPERTIES TRUST
                                   a Maryland real estate investment trust



                                   By:  
                                      Name:
                                      Title:
                          

                                   FLEET NATIONAL BANK,
                                     as Trustee



                                   By:  
                                      Name:
                                      Title:


                        
                                      -35-

<PAGE>



                                    EXHIBIT A

Unless  and  until  it is  exchanged  in  whole  or in part  for  Securities  in
definitive  form, this Security may not be transferred  except as a whole by the
Depository to a nominee of the  Depository or by a nominee of the  Depository to
the Depository or another  nominee of the Depository or by the Depository or any
such  nominee  to  a  successor  Depository  or  a  nominee  of  such  successor
Depository. Unless this certificate is presented by an authorized representative
of The Depository Trust Company,  a New York  corporation (55 Water Street,  New
York,  New  York)  ("DTC"),  to the  issuer or its  agent  for  registration  of
transfer,  exchange or payment,  and any certificate issued is registered in the
name of Cede & Co.  or such  other  name as may be  requested  by an  authorized
representative  of DTC  (and any  payment  is made to Cede & Co.  or such  other
entity  as may  be  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.1

IF NECESSARY TO EFFECT  COMPLIANCE BY THE COMPANY WITH THE  REQUIREMENTS  OF THE
UNITED STATES INTERNAL REVENUE CODE OF 1986, AS AMENDED, RELATING TO REAL ESTATE
INVESTMENT  TRUSTS,   OWNERSHIP  OF  THE  SECURITY  REPRESENTED  HEREBY  MAY  BE
RESTRICTED BY THE COMPANY AND/OR THE TRANSFER  HEREOF MAY BE PROHIBITED,  AS SET
FORTH MORE FULLY ON THE REVERSE HEREOF.



                     HEALTH AND RETIREMENT PROPERTIES TRUST

                7.25% Convertible Subordinated Debenture Due 2001


HEALTH AND RETIREMENT PROPERTIES TRUST, a Maryland real estate
investment trust, promises to pay to


7.25%                       S P E C I M E N               7.25%
DUE 2001                                               DUE 2001


- --------
1 This  paragraph  should be included  only if the  Security is issued in global
form.

                                       A-1

<PAGE>



or registered  assigns,  the principal sum of__________  Dollars,  on October 1,
2001


                  Interest Payment Dates: April 1 and October 1
                     Record Dates: March 15 and September 15


Additional  provisions  of this  Security  are set  forth on other  side of this
Security.


Dated:

HEALTH AND RETIREMENT PROPERTIES TRUST                             SEAL


By:___________________________________



By:___________________________________



CERTIFICATE OF  AUTHENTICATION  
FLEET NATIONAL BANK, as Trustee,  
certifies that this is one of the 
Securities referred to in the within 
mentioned Indenture.


By:__________________________________

Authorized Signatory



                                       A-2

<PAGE>



                          [FORM OF REVERSE OF SECURITY]

                     HEALTH AND RETIREMENT PROPERTIES TRUST
                7.25% Convertible Subordinated Debenture Due 2001


         1. Interest.  Health and Retirement  Properties  Trust, a Maryland real
estate  investment  trust  (the  "Company"),  promises  to pay  interest  on the
principal amount of this Security at the rate per annum shown above. The Company
will pay interest  semiannually  on April 1 and October 1 of each year beginning
April 1, 1997.  Interest on the Securities will accrue from the most recent date
to which  interest has been paid or, if no interest has been paid,  from October
1, 1996;  provided  that,  if there is no  existing  Default  in the  payment of
interest,  and if this Security is authenticated  between a record date referred
to on the face hereof and the next succeeding  interest  payment date,  interest
shall accrue from such interest  payment date.  Interest will be computed on the
basis of a 360 day year of twelve 30-day months.

         2. Method of Payment.  The Company will pay interest on the  Securities
(except defaulted interest) to the persons who are the registered Holders of the
Securities  at the  close  of  business  on the  March 15 or  September  15 next
preceding the interest  payment  date.  Holders must  surrender  Securities to a
Paying Agent to collect  principal  and premium  payments.  The Company will pay
principal,  premium 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 and interest by its check payable in such
money. It may mail an interest check to a Holder's registered address.

         The payment of principal of and premium, if any, on this Security shall
be payable only upon  surrender of this  Security at the office or agency of the
Paying Agent in the City of Boston,  Commonwealth of Massachusetts.  Payments of
principal of,  premium,  if any, and interest on this Security  shall be made at
the office or agency of the Trustee maintained in the Borough of Manhattan, City
and State of New York or the City of Boston, Commonwealth of Massachusetts,  or,
in the  case of any such  payments  other  than the  payment  of  principal  and
premium, if any, at the Company's option, by check mailed to the Person entitled
thereto at such Person's address last appearing on the Company's register.

         3.  Registrar and Agents.  Initially,  Fleet  National Bank will act as
Registrar,  Paying Agent,  Conversion Agent and agent for service of notices and
demands.  The  Company may change any  Registrar,  co-registrar,  Paying  Agent,



                                       A-3

<PAGE>


Conversion  Agent and agent for  service of notices  and  demands on sixty days'
prior written notice to the Trustee.  The Company or any of its Subsidiaries may
act as Paying Agent or Conversion  Agent.  The office of Fleet National Bank for
such purpose is One Federal Street, Boston, Massachusetts 02110, Attn: Corporate
Trust Department.

         4. Indenture;  Limitations.  The Company issued the Securities under an
Indenture,  dated as of September 20, 1996 (the "Basic Indenture"),  between the
Company and Fleet  National Bank (the  "Trustee"),  as  supplemented  by a First
Supplemental  Indenture,  dated as of October 7, 1996, (as used herein, the term
"Indenture"  means  the Basic  Indenture  together  with the First  Supplemental
Indenture). Capitalized terms herein are used as defined in the Indenture unless
otherwise  defined herein.  The terms of the Securities  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  Securities  are subject to all such terms,  and the
Holders of the  Securities  are  referred  to the  Indenture  and said Act for a
statement of them.

         The Securities are general unsecured obligations of the Company limited
to $40,000,000  principal amount.  The Indenture imposes certain  limitations on
the ability of the Company to, among other  things,  make payments in respect of
its Capital Stock,  merge or consolidate with any other Person and sell,  lease,
transfer or otherwise dispose of its properties or assets.

         5.  Optional  Redemption  by the  Company.  (a) The Company may, at its
option, redeem the Securities (i) at any time and from time to time, in whole or
in part,  on and after October 1, 1999, or (ii) in whole or from time to time in
part,  prior to October 1, 1999 as deemed  necessary by the Board of Trustees of
the Company  for the Company to continue to qualify as a real estate  investment
trust ("REIT")  under  Sections 856 through 860 of the Internal  Revenue Code of
1986, as amended.

         (b) The Securities will be immediately redeemable by the Company to the
extent,  but only to the extent,  deemed  necessary  by the Board to prevent the
Holder of such Securities or any other person having an interest therein (if the
Securities  were thereupon  converted)  from being deemed to  beneficially  own,


                                       A-4

<PAGE>


directly  or  indirectly,  8.5% or more in  value  of the  Capital  Stock of the
Company.  For purposes of determining a Person's beneficial ownership of Capital
Stock, the Securities beneficially owned by such Person will be deemed converted
and added to the Capital Stock beneficially owned by such Person for purposes of
determining  whether such Person beneficially owns in excess of 8.5% in value of
the Capital  Stock.  For  purposes of this  paragraph,  Capital  Stock not owned
directly shall be deemed to be owned  indirectly by a Holder if that Holder or a
group including that Holder would be the beneficial owner of such Capital Stock,
as defined as of May 1, 1995,  in Rule 13d-3  promulgated  by the United  States
Securities and Exchange Commission under the Securities Exchange Act of 1934, as
amended,  and/or would be  considered to own such Capital Stock by reason of the
attribution rules of Section 544 or Section 856(h) of the Code.

         (c) The redemption price pursuant to the foregoing  clauses (a) and (b)
shall be equal to 100% of the principal amount thereof,  plus accrued and unpaid
interest to the date fixed for redemption.

         (d) The  Company may at any time buy  Securities  on the open market at
prices which may be greater or less than the redemption prices set forth herein.

         6. Notice of Redemption.  Notice of redemption  will be mailed at least
30 days but not more than 60 days before the  Redemption  Date to each Holder of
Securities to be redeemed at his registered address. Securities in denominations
larger than $1,000  principal  amount may be redeemed in part, but only in whole
multiples thereof. On and after the Redemption Date interest ceases to accrue on
Securities or portions of them called for redemption.

         7.  Conversion.  A Holder of a Security may convert such  Security into
Common Shares of the Company after  issuance and at any time before the close of
business  on October 1, 2003.  If the  Security  is called for  redemption,  the
Holder may convert it at any time before the close of business on the date fixed
for such redemption.  The initial conversion price is $18.00 per share,  subject
to adjustment in certain events. To determine the number of shares issuable upon
conversion  of a Security,  divide the  principal  amount to be converted by the
conversion  price in effect on the  conversion  date. The Company will deliver a
check for any fractional share.

         To  convert  a  Security,  a  Holder  must  (1)  complete  and sign the
conversion notice on the back of the Security, (2) surrender the Security to the
Conversion Agent, (3) furnish appropriate endorsements and transfer documents if


                                       A-5

<PAGE>


required  by the  Registrar  or  Conversion  Agent and (4) pay any  transfer  or
similar tax if required.  No payment or  adjustment  is to be made on conversion
for  interest  accrued  hereon  or for  dividends  on  Common  Shares  issued on
conversion;  provided, however, that if a Security is surrendered for conversion
after the record  date for a payment of interest  and on or before the  interest
payment date, then, notwithstanding such conversion, the interest falling due to
such interest payment date will be paid to the Person in whose name the Security
is  registered  at the close of business  on such  record date and any  Security
surrendered  for conversion  during the period from the close of business on any
regular  record date to the opening of  business on the  corresponding  interest
payment date must be  accompanied  by payment of an amount equal to the interest
payable on such  interest  payment  date.  A Holder  may  convert a portion of a
Security  if the  portion is $1,000  principal  amount or an  integral  multiple
thereof.

         If the Company is a party to a consolidation or merger or a transfer or
lease of all or substantially all of its assets, the right to convert a Security
into Common  Shares may be changed  into a right to convert it into  securities,
cash or other assets of the Company or another Person.

         8.   Subordination.   THIS  SECURITY  IS  SUBORDINATED  TO  ALL  SENIOR
INDEBTEDNESS  OF THE  COMPANY.  TO THE EXTENT AND IN THE MANNER  PROVIDED IN THE
INDENTURE,  SENIOR  INDEBTEDNESS  MUST BE PAID BEFORE ANY PAYMENT MAY BE MADE TO
ANY HOLDERS OF SECURITIES.  ANY SECURITYHOLDER BY ACCEPTING THIS SECURITY AGREES
TO SUCH SUBORDINATION AND AUTHORIZES THE TRUSTEE TO GIVE IT EFFECT.

         In addition to all other rights of Senior Indebtedness described in the
Indenture,  the Senior Indebtedness shall continue to be Senior Indebtedness and
entitled to the benefits of the  subordination  provisions  irrespective  of any
amendment,  modification or waiver of any term of any instrument relating to the
Senior Indebtedness or extension or renewal of the Senior Indebtedness.

         9. Denominations,  Transfer, Exchange. The Securities are in registered
form without coupons in  denominations  of $1,000  principal amount and integral
multiples thereof. A Holder may register the transfer of or exchange  Securities
in accordance  with the  Indenture.  The  Registrar 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
Registrar need not register the transfer of or exchange any Securities  selected
for  redemption  or register the transfer of or exchange  any  Securities  for a
period of 15 days before a selection of Securities to be redeemed.

                                       A-6

<PAGE>




         10. Persons Deemed Owners.  The registered  Holder of a Security may be
treated as its owner for all purposes.

         11.  Unclaimed Money. If money for the payment of principal or interest
on any Securities  remains  unclaimed for two years,  the Trustee and the Paying
Agent will pay the money back to the Company at its written request. After that,
Holders may look only to the Company for payment.

         12.  Discharge  Prior to Redemption or Maturity.  The Indenture will be
discharged and canceled except for certain  sections thereof upon payment of all
the  Securities,  or upon the  irrevocable  deposit with the Trustee of funds or
Government  Obligations  maturing on or before such payment  date or  Redemption
Date, sufficient to pay principal, premium, if any, and interest on such payment
or redemption.

         13. Amendment and Waiver. Subject to certain exceptions, without notice
to the Holders of the Securities, the Indenture or the Securities may be amended
with the consent of the Holders of at least a majority  in  principal  amount of
the Securities then  outstanding and any existing default or compliance with any
provision  may be waived  with the  consent  of the  Holders  of a  majority  in
principal amount of the Securities then  outstanding.  Without the consent of or
notice to any Securityholder,  the Company may amend or supplement the Indenture
or the Securities to, among other things, provide for uncertificated Securities,
to cure any  ambiguity,  defect or  inconsistency  or make any other change that
does not adversely affect the rights of any Securityholder.

         14.  Successors.  When a successor  assumes all the  obligations of its
predecessor  under the  Securities and the Indenture,  the  predecessor  will be
released from those obligations.

         15.  Defaults and Remedies.  If an Event of Default,  as defined in the
Indenture (other than a Event of Default relating to bankruptcy of the Company),
occurs and is continuing,  the Trustee or the Holders of a majority in principal
amount of  Securities  may  declare  all the  Securities  to be due and  payable
immediately in the manner and with the effect  provided in the Indenture.  If an
Event  of  Default  relating  to  bankruptcy  of the  Company  occurs,  then all
Securities  shall become  immediately due and payable without any declaration or
act on the part of the  Trustee or any  Holder.  Holders of  Securities  may not
enforce the Indenture or the Securities except as provided in the Indenture. The
Trustee may require  indemnity  satisfactory to it, subject to the provisions of
the TIA, before it enforces the Indenture or the Securities.  Subject to certain


                                       A-7

<PAGE>


limitations,  Holders of a majority in principal  amount of the Securities  then
outstanding  may direct the Trustee in its  exercise of any trust or power.  The
Trustee may withhold from Holders of Securities notice of any continuing default
(except a default in payment of principal or  interest)  if it  determines  that
withholding  notice is in their  interests.  The  Company  is  required  to file
periodic  reports  with the Trustee as to the absence of any Default or Event of
Default.

         16. Trustee Dealings with the Company. Fleet National Bank, the Trustee
under the Indenture, in its individual or any other capacity, may make loans to,
accept  deposits from, and perform  services for the Company or its  Affiliates,
and may  otherwise  deal with the Company or its  Affiliates,  as if it were not
Trustee.

         17. 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 "HEALTH AND RETIREMENT  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  ASSETS OF THE  COMPANY  FOR THE
PAYMENT OF ANY SUM OR THE PERFORMANCE OF ANY OBLIGATION.

         18. Authentication.  This Security shall not be valid until the Trustee
signs the certificate of authentication on the other side of this Security.

         19. Status as United States Real Property Holding  Corporation.  To the
best of its  knowledge,  as of the date of the  issuance of this  Security,  the
Company is not a "United States real property holding corporation" as defined in
Section 897(c)(2) of the United States Internal Revenue Code of 1986, as amended
(the "Code").  A non-United States person disposing of this Security may request
from the Company a statement as to whether this  Security  constitutes a "United
States real property  interest" (as defined in Code Section 897(c)(1)) as of the
date of  disposition.  It may be  necessary  to  obtain a  statement  that  this
Security does not constitute a "United States real property  interest"  prior to
the time that a tax return  would  otherwise  be  required  to be filed with the
United States Internal Revenue Service with respect to such disposition in order
to avoid a withholding tax on such disposition. If, at any time while this

                                       A-8

<PAGE>



Security  is  outstanding,  the  Company  determines  that it is at such  time a
"United States real property  holding  corporation",  it shall provide notice of
such  determination in accordance with the provisions of Section 13 hereof.  The
Holder of this  Security can contact the Company at 400 Centre  Street,  Newton,
Massachusetts  02158 to obtain  information  as to the United  States income tax
consequences  of the  classification  of the  Company as a "United  States  real
property holding corporation."

         20. CUSIP  Numbers.  Pursuant to a  recommendation  promulgated  by the
Committee on Uniform Security Identification  Procedures, the Company will cause
CUSIP numbers to be printed on the Securities as a convenience to the Holders of
the Securities.  No representation is made as to the accuracy of such numbers as
printed  on  the  Securities  and  reliance  may be  placed  only  on the  other
identification numbers printed hereon.

         21. Accounting Terms. All accounting terms not otherwise defined herein
shall have the meanings  assigned to them in accordance with generally  accepted
accounting principles as applied in the United States.


                                      A-9

<PAGE>



         22. Descriptive Headings. The descriptive headings appearing herein are
for  convenience  of  reference  only and shall not  alter,  limit or define the
provisions hereof.

         23. Abbreviations. Customary abbreviations may be used in the name of a
Securityholder  or an assignee,  such as: TEN COM (=tenants in common),  TEN ENT
(=tenants by the entireties), JT TEN (=joint tenants with rights of survivorship
and not as tenants in common), CUST (=Custodian), and U/G/M/A (=Uniform Gifts to
Minors Act).

         24.   Limitations  on  certain  Holders.   This  Security  may  not  be
transferred (by sale, transfer,  gift, assignment,  devise or other disposition,
whether  voluntarily or involuntarily,  whether  beneficially or of record,  and
whether effected constructively, by operation of law or otherwise) to any Person
if, as a result of such  transfer,  the Holder hereof or any other Person having
an interest in this Security (other than an Excepted  Person,  as defined in the
Company's Amended and Restated Declaration of Trust, as amended), would, if this
Security were fully converted,  own or be deemed to own, directly or indirectly,
capital  stock of the  Company  representing  8.5% or more in value of the total
capital stock of the Company  outstanding  (determined  in  accordance  with the
provisions  of paragraph  (b) of Section 3 above).  ANY TRANSFER IN VIOLATION OF
THIS SECTION 24 NEED NOT BE RECOGNIZED BY THE COMPANY,  THE TRUSTEE OR ANY AGENT
(AS  DEFINED  IN  THE  INDENTURE),  AND  ANY  PERSON  WHO,  NOTWITHSTANDING  THE
FOREGOING,  WOULD,  IF THIS SECURITY WERE FULLY  CONVERTED,  OWN OR BE DEEMED TO
OWN, DIRECTLY OR INDIRECTLY,  CAPITAL STOCK OF THE COMPANY  REPRESENTING 8.5% OR
MORE IN VALUE OF THE TOTAL CAPITAL STOCK OF THE COMPANY OUTSTANDING  (DETERMINED
IN ACCORDANCE WITH THE PROVISIONS OF PARAGRAPH (B) OF SECTION 3 ABOVE) SHALL, TO
THE EXTENT OF SUCH EXCESS, NOT BE ENTITLED TO CONVERT THIS SECURITY AS OTHERWISE
PROVIDED HEREIN AND IN THE INDENTURE.

         The Company will furnish to any Securityholder upon written request and
without charge a copy for the  Indenture.  It also will furnish the text of this
Security  in  larger  type.  Requests  may be made  to:  Health  and  Retirement
Properties Trust, 400 Centre Street,  Newton,  Massachusetts  02158.  Attention:
President.

                                      A-10

<PAGE>



                                 TRANSFER NOTICE

If you the Holder wants to assign this Security, fill in the form below and have
your signature guaranteed:

For value received, I or we assign and transfer this Security to

                      (INSERT ASSIGNEE'S SOCIAL SECURITY OR
                           TAX IDENTIFICATION NUMBER)

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


 ................................................................

 ................................................................

 ................................................................

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

 ...........................................................agent
to transfer this Security 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 other
                side of this Security)

Signature Guarantee*:...........................................

*Signature must be guaranteed by an eligible  guarantor  institution  within the
meaning of Securities and Exchange  Commission  Rule 17Ad-15  (including  banks,
stock brokers,  savings and loan associations,  national  securities  exchanges,
registered  securities  associations,  clearing agencies and credit unions) with
membership or participation in an approved signature guarantee medallion program
if  this  Security  is to be  delivered  other  than  to and in the  name of the
registered holder.



                                      A-11

<PAGE>



                                CONVERSION NOTICE

To convert this Security into common  shares of  beneficial  interest,  $.01 par
value per share, of the Company, check the box:

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

To  convert  only  part of this  Security,  state  the  principal  amount  to be
converted (which must be a minimum of $1,000 or any multiple thereof):

             ------------------------------------------------                 
              $                                                              
             ------------------------------------------------                 
If you want the Security certificate, if any, made out in another person's name,
fill in the form below:

                    (INSERT OTHER PERSON'S SOCIAL SECURITY OR
                           TAX IDENTIFICATION NUMBER)

             ------------------------------------------------                 
                                                                              
             ------------------------------------------------ 
 
 ................................................................
              
 ................................................................

 ................................................................

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

By submitting this  certificate,  you hereby certify to the Company that,  after
giving effect to the conversion  specified herein, you will not own or be deemed
to own,  directly or  indirectly,  shares of beneficial  interest in the Company
which,  together with shares of beneficial  interest issuable upon conversion of
any other  Securities  owned directly or indirectly by you,  represents  8.5% or
more in  value  of the  total  shares  of  beneficial  interest  of the  Company
outstanding  (determined  in accordance  with the provisions of paragraph (b) of
Section 5 of this Security).


                                      A-12

<PAGE>




Date:...........................................................

Your Signature:.................................................

(Sign exactly as your name appears on the other side of this
Security)

Signature Guaranteed By:
                                    Note: Signature must be guaranteed
                                             by a member firm of the New York
                                             Stock Exchange or a commercial
                                             bank or trust company.




                                      A-14




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




                                                       October 1, 1996





Health and Retirement Properties Trust
400 Centre Street
Newton, Massachusetts  02158

Ladies and Gentlemen:

         In  connection  with the  registration  by  Health  and  Rehabilitation
Properties  Trust, a Maryland real estate  investment trust (the "Company"),  of
its Convertible Subordinated Debentures,  due 2003, Series A (the "Securities"),
the following  opinion is furnished to you to be filed with the  Securities  and
Exchange  Commission (the "SEC") as Exhibit 8 to the Company's Current Report on
Form 8-K under the  Securities  Exchange Act of 1934, as amended (the  "Exchange
Act").

         We have  acted  as  counsel  for the  Company  in  connection  with its
Registration  Statement  on Form  S-3,  File No.  333-02836  (the  "Registration
Statement") filed under the Securities Act of 1933, as amended (the "Act"),  and
we have examined originals or copies,  certified or otherwise  identified to our
satisfaction, of the Registration Statement, 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;  (ii) the Registration
Statement;   (iii)  the  final   Prospectus  dated  June  25,  1996  (the  "Base
Prospectus")  relating  to  the  Registration  Statement;  and  (iv)  the  final
Prospectus  Supplement  to the Base  Prospectus  dated  October  2,  1996  (the
"Prospectus  Supplement"  and  the  Base  Prospectus,  as so  supplemented,  the
"Prospectus").  We have reviewed the section in the  Company's  Annual Report on
Form 10-K for the year ended  December  31,  1995,  filed under the Exchange Act
(the "Form 10-K") captioned "Federal Income Tax Considerations", as supplemented
by the  statements in the  Supplemental  Prospectus  under the caption  "Federal
Income Tax Considerations".  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  Prospectus  and in the  documents
incorporated therein by reference, and on representations made to us by the


<PAGE>


Health and Retirement Properties Trust
October 1, 1996
Page 2


officers of the Company.  We have not  independently  verified such information;
nothing has come to our attention,  however, which would lead us to believe that
we are not entitled to rely on 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,  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
federal  income tax matters in the section of the Form 10-K  captioned  "Federal
Income  Tax   Considerations",   as   supplemented  by  the  statements  in  the
Supplemental  Prospectus under the caption "Federal Income Tax  Considerations",
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  with  respect to federal  income tax  matters in the section of the
Form 10-K captioned "Federal Income Tax Considerations",  as supplemented by the
statements in the Supplemental  Prospectus under the caption "Federal Income Tax
Considerations",  in all material respects are accurate and fairly summarize the
federal income tax 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 Registration Statement and to the reference to our firm in the
Prospectus.  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 Act or
under the rules and regulations of the SEC promulgated thereunder.

                                               Very truly yours,



                                               /s/ Sullivan & Worcester LLP
                                               SULLIVAN & WORCESTER LLP






                                                                    EXHIBIT 10.1

              AMENDED AND RESTATED WORKING CAPITAL PROMISSORY NOTE


$4,000,000.00                                                    July 29, 1996


         FOR VALUE RECEIVED, the undersigned,  CONNECTICUT SUBACUTE CORPORATION,
a Delaware  corporation (the  "Borrower"),  by this Amended and Restated Working
Capital Promissory Note (this "Note"),  absolutely and unconditionally  promises
to pay to the order of HEALTH AND  RETIREMENT  PROPERTIES  TRUST,  a real estate
investment  trust formed under the laws of the State of Maryland (the "Lender"),
on or before the maturity  date as defined in paragraph 1 below,  the  principal
sum of FOUR MILLION DOLLARS ($4,000,000) or so much thereof as may, from time to
time be advanced and remain unpaid hereunder, together with interest thereon, at
a rate  per  annum  equal to the rate  published  from  time to time in The Wall
Street Journal as the "prime rate",  plus one percent (1%),  with each change in
said  prime rate to effect a  corresponding  change in the rate under this Note;
payable  monthly in arrears on the last day of each calendar  month,  commencing
with the month in which this Note is  executed.  The entire  principal  balance,
together  with  accrued  outstanding  interest  and all  other  charges  arising
hereunder shall be due and payable on the Maturity Date.

1.       Maturity  Date.  The maturity date of this Note (the  "Maturity  Date")
         shall be June 30, 1997.

2.       Loan  Funding.  Upon the terms and  subject to the  conditions  of this
         Note,  the  Lender  agrees to lend to the  Borrower  such sums that the
         Borrower may request, from time to time, from the date hereof until but
         not including the Maturity Date, provided, that, the Borrower shall not
         be in default  hereunder  and the  aggregate  principal  amount of such
         borrowings  shall not exceed Four Million  Dollars  ($4,000,000) at any
         one time  outstanding.  The Borrower shall notify the Lender in writing
         or  telephonically  not later than 2:00 p.m.  Boston  time at least one
         business  day  prior  to  the  date  of  the  advance  being  requested
         ("Drawdown  Date").  Subject  to the terms  hereof,  the  Lender  shall
         advance  the  amount  requested  to the  Borrower's  bank  account  no.
         1480-746-5   at  State   Street   Bank  and  Trust   Company,   Boston,
         Massachusetts, in immediately available funds, or to such other account
         or in such other  manner as may be mutually  agreed by the Borrower and
         the Lender, not later than the close of business on such Drawdown Date.
        


<PAGE>


         The  Borrower  hereby   irrevocably   authorizes  the  Lender  to  make
         appropriate  notations on Schedule 1 attached  hereto,  reflecting  any
         advance to the Borrower of principal and any  repayment  thereof to the
         Lender.  Failure  of the  Lender to make any such  notation  shall not,
         however, affect any obligation of the Borrower hereunder. The aggregate
         unpaid  principal  amount as  recorded  by the Lender from time to time
         shall constitute  presumptive  evidence or such amount. All payments of
         principal,  interest and other charges arising  hereunder shall be made
         to the Lender as its principal  place of business at 400 Centre Street,
         Newton, Massachusetts 02158, or such other place as the Lender may from
         time to time direct.

3.       Prepayment.  The Borrower may, from time to time,  make full or partial
         prepayments  of the  principal  amount  outstanding  hereunder and such
         prepayment shall be without premium or penalty.

4.       Interest. Interest shall be determined in all instances on the basis of
         the  actual  number  of days  elapsed  divided  by 360.  Upon  default,
         interest  shall  accrue at a rate per annum equal to the  aggregate  of
         five percent (5%) plus the rate provided for herein.

5.       Setoff.  All  payments  by the  Borrower  to the  Lender  shall be made
         without  setoff or  counterclaim,  and free and clear of,  and  without
         deduction of, any kind (unless the Borrower is compelled by law to make
         such deduction or withholding).  If any such obligation is imposed upon
         the  Borrower  with  respect  to any  amount  payable  by the  Borrower
         hereunder,  the Borrower  will pay to the Lender,  on the date on which
         such  amount  becomes due and payable  hereunder  and in United  States
         Dollars,  such  additional  amount as shall be  necessary to enable the
         Lender to receive the same net amount  which it would have  received on
         such due date had no such obligation been imposed upon the Borrower. If
         the  Borrower  shall  be  required  by law to make  such  deduction  or
         withholding,  the  Borrower  will deliver to the Lender tax receipts or
         other appropriate evidence of payment.

6.       Representations and Warranties. The Borrower represents and warrants to
         the Lender as follows:

         a.       Corporate Existence and Good Standing.

                  i.       The Borrower is a corporation validly existing and in
                           good standing under the laws of the  jurisdiction  of
                           its incorporation; and has the corporate power to own
                           its property  and conduct its business  substantially
                           as presently conducted by it;


<PAGE>



                  ii.      The  Borrower  has the power and  authority  to enter
                           into and to  perform it  obligations  under this Note
                           and carry out the transactions  contemplated  hereby;
                           and

                  iii.     The  Borrower  is  qualified  to do business in every
                           jurisdiction  in which its  property  or  business as
                           presently owned, conducted or contemplated makes such
                           qualification necessary.

         b.       Corporate  Power,  Consents;  Absence of  Conflict  with Other
                  Agreement,  Etc. The  execution,  delivery and  performance of
                  this Note by the Borrower,  and the transactions  contemplated
                  hereby and thereby:

                  i.       are  within  the  corporate  powers of, and have been
                           duly authorized by the Board of Directors of, and, to
                           the  extent  required,  by  the  stockholders  of the
                           Borrower;

                  ii.      (i) do not  require  any  approval  or consent of, or
                           filing  (except for the filing of Uniform  Commercial
                           Code financing  statements)  with,  any  governmental
                           agency or  authority  bearing on the validity of such
                           instruments and transactions which is required by law
                           or the  regulations  of any agency or  authority  and
                           which has not been obtained or made, and (ii) are not
                           in   contravention   of  law  or  the  terms  of  the
                           Borrower's   charter   documents,   by-laws   or  any
                           amendment thereof;

                  iii.     will not  conflict  with or result  in any  breach or
                           contravention  of or the creation of any lien (except
                           liens in favor of the  Lender)  under any  indenture,
                           agreement,    promissory   note,   lease,   contract,
                           instrument or  undertaking to which the Borrower is a
                           party or by which the Borrower or its  properties  is
                           bound.

         c.       Binding  Obligation.  This  Note is and will be the  valid and
                  legally  binding  obligation of the Borrower,  enforceable  in
                  accordance  with its terms,  except as  enforceability  may be
                  limited by bankruptcy, insolvency, reorganization,  moratorium
                  or  similar  laws  relating  to  or  affecting  generally  the
                  enforcement  of  creditors'   rights,   and  except  that  the
                  availability of specific performance, injunctive relief or any
                  other equitable remedy may be subject to the discretion of the
                  court  before  which any  proceedings  for such  remedy may be
                  brought.



<PAGE>



         d.       Use of  Proceeds.  The  proceeds of the loans shall be used by
                  the Borrower for general corporate purposes.

         e.       No Other Indebtedness.  The Borrower has no indebtedness other
                  than  indebtedness  previously  disclosed  in  writing  to the
                  Lender.

         f.       No Default. No default or Event of Default has occurred and is
                  continuing  on or as of the date of this  Note or will  result
                  from the funding of the loans hereunder.

         g.       No Litigation,  Etc. Except as previously disclosed in writing
                  to the  Lender,  there is no  pending  or,  to the best of the
                  knowledge of the Borrower, threatened action, suit, proceeding
                  or investigation before any court,  governmental or regulatory
                  body, agency,  commission or official, board of arbitration or
                  arbitrator  against or affecting the Borrower,  the outcome of
                  which  could   materially   adversely   affect  the  financial
                  position, business, operations or prospects of the Borrower or
                  which could  significantly  impair the ability of the Borrower
                  to perform its obligations under this Note.

         h.       No Liens. None of the property,  assets,  income or revenue of
                  the  Borrower  is  subject  to any  liens,  pledges,  charges,
                  security  interests or other  encumbrances of any kind,  other
                  than such as would be permitted by the provisions of Section 7
                  of this Note.

         i.       No Untrue Representations.  No representation or warranty made
                  by  the  Borrower  in  this  Note  or in  any  other  document
                  furnished  to the  Lender by or on behalf of the  Borrower  in
                  connection  with  the  transactions   contemplated  hereby  or
                  thereby  contains any untrue  statement of a material  fact or
                  omits to state a material fact  necessary in order to make the
                  statements contained herein or therein not misleading in light
                  of the circumstances in which they are made.

7.       Covenants. The Borrower hereby covenants to the Lender that, so long as
         any amount remains outstanding under this Note:

         a.       Maintain  Existence.  The  Borrower  will  maintain  its legal
                  existence and good standing under the laws of its jurisdiction
                  of organization,  maintain its qualification to do business in
                  each state in which the failure to do so would have a material
                  adverse  effect on the condition,  financial or otherwise,  of
                  the  Borrower,  and maintain  all of its rights and  corporate
                  privileges   reasonably   necessary  to  the  conduct  of  its
                  business.


<PAGE>
                  

         b.       No  Consolidations.  The Borrower will not consolidate with or
                  merge  with or into or  enter  into or  undertake  any plan or
                  agreement  of  consolidation  or  merger  with any  person  or
                  persons.  The  Borrower  will  not at any time  sell,  assign,
                  transfer,  lease (as lessor) or otherwise  transfer all or any
                  substantial  part of its properties or assets to any person or
                  persons  (either by or through a single  transaction  or by or
                  through a series of separate but related transactions).

         c.       No  Indebtedness.  The  Borrower  will not at any time create,
                  incur  or  assume,   or  become  or  be  liable  (directly  or
                  indirectly) in respect of, any indebtedness, other than:

                  i.       Oligations of the Borrower to the Lender;

                  ii.      The   liabilities   of  the   Borrower   for   taxes,
                           assessments and other governmental charges or levies,
                           to the extent that payment  thereof is not yet due or
                           to  the  extent  that  such   liabilities  are  being
                           contested   by  the   Borrower   in  good   faith  by
                           appropriate   proceedings   and   adequate   reserves
                           therefor  are being  maintained  in  accordance  with
                           generally accepted accounting principles:

                  iii.     The  liabilities  of the  Borrower as the endorser of
                           negotiable instruments received by it in the ordinary
                           course of its  business and  presented by  commercial
                           banks for collection or deposit;

                  iv.      Current  liabilities  (exclusive of indebtedness  for
                           borrowed  money) of the Borrower  for trade  payables
                           and  expense  accruals  and  contractual  obligations
                           incurred  by  it  in  the  ordinary   course  of  its
                           business; and

                  v.       Indebtedness  of the  Borrower  existing  on the date
                           hereof and previously disclosed to Lender.

         d.       No Liens.  The Borrower  will not at any time create,  assume,
                  incur or permit to exist, any mortgage,  lien, pledge, charge,
                  security  interest or other encumbrance of any kind in respect
                  of any of its  property,  assets,  income or  revenues  of any
                  character,  whether  heretofore  or hereafter  acquired by it,
                  other than:

                  i.       Security interests and other encumbrances in favor of
                           the Lender;



<PAGE>



                  ii.      Liens for taxes,  assessments  or other  governmental
                           charges  or  levies  not yet due and  payable  by the
                           Borrower;

                  iii.     Any     materialmen's,     mechanics',     workmen's,
                           repairmen's,  landlords'  or other like liens arising
                           in  the  ordinary  course  of  the  business  of  the
                           Borrower  and not yet due and payable or with respect
                           to which  adequate  reserves  have been  created  and
                           which do not exceed in the aggregate $50,000;

                  iv.      any other minor title  encumbrances  which shall not,
                           either individually or in the aggregate, restrict the
                           use,  marketability,   or  value  of  such  property,
                           assets, income or revenue;

                  v.       the security  interest  granted to the Lender hereby;
                           and

                  vi.      liens  incurred or pledges and  deposits  made in the
                           ordinary   course  of  business  in  connection  with
                           worker's   compensation,    unemployment   insurance,
                           pensions  and other social  security or  governmental
                           insurance  benefits or to secure the  performance  of
                           tenders,  statutory  obligations,  surety  and appeal
                           bonds, bids,  operating leases,  government contracts
                           and  franchises,  payment and  performance  bonds and
                           other similar  non-material  obligations  incurred in
                           the  ordinary   course  of  business   (exclusive  of
                           obligations  in  respect of the  payment of  borrowed
                           money.

         e.       Investments. The Borrower will not make any investments in any
                  person by loan,  advance,  guarantee  of any  indebtedness  or
                  creation or  assumption  of any other  liability in respect of
                  any  indebtedness  of  any  person,  the  acquisition  by  the
                  Borrower of all or a substantial part of the stock,  assets or
                  properties  of any  person,  or the  transfer  or  sale of any
                  property to any other  person for less than payment in full in
                  cash of the  transfer or sale price or the fair value  thereof
                  (whichever of such price or value is higher).

         f.       Dividends.  The  Borrower  will not make  any  declaration  or
                  payment of any  dividend or  distribution  on or in respect of
                  any shares of any class of its capital  stock or other  equity
                  interest or the capital stock or other equity  interest of any
                  other person (or any options,  warrants, or rights to purchase
                  or  subscribe   for  the  same),   other  than   dividends  or
                  distributions  payable  solely in  shares  of common  stock or
                  similar  common  equity  interests  of the Borrower or of such
                  


<PAGE>


                  other person; or the purchase, redemption, or other retirement
                  of any  shares of any class of capital  stock or other  equity
                  interest of the  Borrower or any other person (or any options,
                  warrants,  or rights to purchase or  subscribe  for the same),
                  directly or indirectly through a subsidiary or otherwise;  the
                  return of capital by the  Borrower or any other  person to its
                  shareholders   or  equity  holders  as  such;  and  any  other
                  distribution  on or in  respect  of any shares of any class of
                  capital stock or other equity  interest of the Borrower or any
                  other person.

         g.       Compromise of Accounts.  The Borrower  shall not compromise or
                  adjust any accounts receivable (or extend the time for payment
                  thereof)  or  grant  any  discounts,   allowances  or  credits
                  thereon.

         h.       Books and Records.  The  Borrower  shall at all times and from
                  time  to time  allow  the  Lender,  by or  through  any of its
                  officers,  agents,  attorneys,  or  accountants,  to  examine,
                  inspect  or  make  extracts  from  the  Borrower's  books  and
                  records,  and those of any  related  person  and  arrange  for
                  verification   of  accounts   receivable,   under   reasonable
                  procedures, directly with account debtors or by other methods;
                  shall furnish to the Lender upon request additional statements
                  of any accounts  receivable,  together with all notes or other
                  papers  evidencing  the same and any  guaranty,  securities or
                  other documents or information relating thereto; and shall do,
                  make,  execute  and deliver  all such  additional  and further
                  acts, things, deeds,  assurances and instruments as the Lender
                  may  require  more  completely  to vest in and  assure  to the
                  Lender its rights hereunder.

8.       Default.  The  Lender,  at its option,  may  declare the entire  unpaid
         principal  balance of this Note,  together  with  charges,  and accrued
         unpaid  interest  thereon to be  immediately  due and  payable  without
         demand, notice or protest (which are hereby waived) upon the occurrence
         of any  one or more  of the  following  events  ("Events  of  Default")
         remaining  uncured for ten (10) days with  respect to items (a) and (b)
         below and  remaining  uncured  for thirty  (30) days after  notice with
         respect to events (c) through (p) below:

         (a) The failure by the  Borrower to pay upon demand (or when due if not
payable  on  demand)  any  of  the  Borrower's  liabilities,   obligations,  and
indebtedness to the Lender (herein,  the "Liabilities");  (b) the failure by the
Borrower promptly,  punctually, and faithfully to perform,  discharge, or comply
with any of the Borrower's Liabilities; (c) the determination by the Lender that
any  representation  or  warranty  heretofore,  now,  or  hereafter  made by the
Borrower to the Lender in any document, instrument, agreement, or paper was not


<PAGE>



true or accurate when made; (d) the occurrence of any event of default under any
agreement between the Lender and the Borrower,  or instrument or paper given the
Lender by the Borrower, whether such agreement,  instrument, or paper now exists
or hereafter arises  (notwithstanding that the Lender may not have exercised its
rights upon default under any such other agreement,  instrument,  or paper); (e)
any act by,  against,  or relating to the  Borrower,  or its property or assets,
which act  constitutes  the  application  for,  consent to, or sufferance of the
appointment of a receiver, trustee, or other person, pursuant to court action or
otherwise, over all, or any part of the Borrower's property; the granting of any
trust mortgage or execution of an assignment for the benefit of the creditors of
the  Borrower,   or  the  occurrence  of  any  other  voluntary  or  involuntary
liquidation or extension of debt agreement for the Borrower:  the failure by the
Borrower generally to pay the debts of the Borrower as they mature; adjudication
of bankruptcy or insolvency relative to the Borrower;  the entry of an order for
relief or similar order with respect to the Borrower in any proceeding  pursuant
to the  Bankruptcy  Reform Act of 1978  (commonly  referred to as the Bankruptcy
Code)  or any  other  federal  bankruptcy  law;  the  filing  of any  complaint,
application,  or petition by or against the  Borrower  initiating  any matter in
which  the  Borrower  is or may be  granted  any  relief  from the  debts of the
Borrower  pursuant  to the  Bankruptcy  Act or any other  insolvency  statute or
procedure;  the calling or sufferance of a meeting of creditors of the Borrower;
the meeting by the Borrower with a formal or informal creditors' committee;  the
offering by, or entering into by, the Borrower of any composition, extension, or
any other arrangement seeking relief or extension for the debts of the Borrower,
or the initiation of any other  judicial or nonjudicial  proceeding or agreement
by,  against,  or including the Borrower  which seeks or intends to accomplish a
reorganization or arrangement with creditors; (f) the occurrence of any event or
circumstance  with  respect to the  Borrower  such that the Lender  deems itself
insecure; (g) any change in the identity,  authority, or responsibilities of the
Borrower,  its  directors or officers or any  individual  having  management  or
policy  authority with respect to the Borrower  without the prior consent of the
Lender;  (h)  the  termination  of  existence,   dissolution,   winding  up,  or
liquidation  of the Borrower;  (i) the merger or  consolidation  of the Borrower
with or into any other corporation or other entity; (j) the occurrence of any of
the  foregoing  Events of Default with respect to any  guarantor,  endorser,  or
surety  to the  Lender  of the  Liabilities;  or  the  occurrence  of any of the
foregoing Events of Default with respect to any parent, subsidiary, or affiliate
of the Borrower, as if such guarantor,  endorser, surety, parent, subsidiary, or
affiliate  were the  "Borrower"  described  herein;  (k) the  termination of any
guaranty by any  guarantor of the  Liabilities;  (l) the  imposition of any lien
upon any  assets  of the  Borrower  or the  entry of any  judgment  against  the
Borrower  which is not covered by  insurance  or remains  unpaid for a period of
more than  thirty (30) days;  (m) the entry of any court  order  which  enjoins,



<PAGE>



restrains or in any way prevents the Borrower from conducting all or any part of
its business affairs in the ordinary course; (n) the service of any process upon
the  Lender  seeking  to attach  by mesne or  trustee  process  any funds of the
Borrower on deposit  with the Lender;  (o) the  occurrence  of any loss,  theft,
damage, destruction, encumbrance to or of any of the assets of the Borrower; and
(p) any act by or against, or relating to the Borrower or its assets pursuant to
which any creditor of the Borrower  seeks to reclaim or repossess or reclaims or
repossesses all or any portion of the Borrower's  assets.  If item (a) preceding
remains  uncured for ten (10) days,  a late charge equal to five percent (5%) of
the outstanding installment shall accrue.

         In  addition,  at the  Lender's  option and without  demand,  notice or
protest,  the occurrence of any Event of Default shall also constitute a default
under all other  agreements  between the Lender and the  Borrower  and under all
other instruments and papers given the Lender by the Borrower.

9.       Lender's Right of Setoff. Regardless of the adequacy of any collateral,
         during the  continuance  of an Event of Default,  any deposits or other
         sums  credited  by or due  from  the  Lender  to the  Borrower  and any
         securities or other  property of the Borrower in the  possession of the
         Lender  may be  applied  to or  set  off  against  the  payment  of any
         Liabilities  or obligations of the Borrower under this Note and any and
         all other liabilities, direct, or indirect, absolute or contingent, due
         or to become due, now existing or hereafter arising, of the Borrower to
         the Lender.

10.      Security  Interests.  The  Borrower's  obligations  hereunder  shall be
         secured,  and Borrower  does hereby  grant a security  interest in, all
         accounts,  accounts receivable,  notes, drafts,  instruments,  contract
         rights,  chattel  paper,  documents,   securities,  money  and  general
         intangibles now owned or hereafter received or acquired by or belonging
         or owing to the Borrower  (including  to the  Borrower  under any trade
         names,  divisions  or  affiliates  thereof)  arising  out  of  services
         rendered by the Borrower or from any other transaction  relating to any
         facility  owned  or  operated  by  the  Borrower,  (including,  without
         limitation,  any such  obligation  which would be  characterized  as an
         account,  general  intangible  or chattel  paper under the UCC) and all
         rights  to  receive  payment  under all third  party  reimbursement  or
         payment  agreements  between  the  Borrower  and any  and  all  private
         insurance carriers or employee assistance  programs,  Blue Cross and/or
         Blue Shield, CHAMPUS, all Managed Care Plans, Medicare and Medicaid and
         any and all collateral or depository  accounts with any bank into which
         proceeds of all or any portion of the foregoing  may be deposited,  and
         all of the  Borrower's  rights to any goods  represented  by any of the
        


<PAGE>


         foregoing and all moneys due or to become due to the Borrower under all
         contracts  for  the  performance  of  services  by the  Borrower  or in
         connection  with any other  transaction,  now in existence or hereafter
         arising,  together  with all  proceeds  and  products  of each  item of
         collateral in the foregoing categories.

11.      Outstanding  Amount.  The Borrower and the Lender acknowledge and agree
         that, on and as of June 30, 1996, the outstanding  principal  amount of
         this Note is One Million, Three Hundred and Sixty-Five Thousand Dollars
         ($1,365,000).

12.      Expenses.  The Borrower will reimburse and indemnify the Lender for all
         out-of-pocket expenses,  including, but not limited to, attorneys' fees
         and  disbursements,   incurred  or  expended  in  connection  with  the
         preparation or  interpretation  of this Note or any amendment hereof or
         thereof or with the enforcement of any obligations or the  satisfaction
         of any  indebtedness of the Borrower  hereunder,  or in connection with
         any litigation,  proceeding or dispute hereunder in any way relating to
         the loans evidenced hereby.

13.      Notices.  All  notices and other  communications  pursuant to this Note
         shall be in writing  either  delivered  in hand or sent by certified or
         registered U.S. mail, postage prepaid and addressed as follows:

         (a)  if  to  the  Borrower,  at  955  South  Main  Street,  Middletown,
Connecticut 06457, Attention: Treasurer;

         (b) if to the  Lender,  at 400  Centre  Street,  Newton,  Massachusetts
02158, marked Attention: Treasurer;

or in either case, to such other address as the party to receive any such notice
or other  communication  shall have  designated  by written  notice to the other
party.  All  periods  of  notice  shall be  measured  from the date of  delivery
thereof, is delivered in hand, or from the date of mailing thereof, if mailed.

14.      Governing Law. This Note shall take effect as an instrument  under seal
         to be  governed by and  construed  in  accordance  with the laws of The
         Commonwealth of Massachusetts.

15.      Usury.  Notwithstanding  any provision contained herein or contained in
         any mortgage,  conditional  assignment of rents,  security agreement or
         other  instrument or agreement now or hereafter  executed in connection
         with the loan  evidenced  hereby,  the maximum  amount of interest  and
         other  charges  in  the  nature  thereof  contracted  for,  or  payable
         hereunder or thereunder,  shall not exceed the maximum amount which may
         be  lawfully   contracted  for,  charged  and  received  in  this  loan
         transaction  all as  determined  by the  final  judgment  of a court of
         competent jurisdiction, including all appeals therefrom.


<PAGE>



16.      Miscellaneous.  (a)  The  rights  and  remedies  herein  expressed  are
         cumulative  and are not  exclusive of any other rights which the Lender
         would  otherwise  have.  All of the terms and  provisions  of this Note
         shall be binding upon and inure to the benefit of and be enforceable by
         the respective successors and assigns of the Lender; provided, however,
         that, without limiting the generality of the foregoing,  the Lender may
         assign or transfer its rights  hereunder,  in whole or in part,  to any
         other person, by way of sales of undivided participations, or any other
         interest in the loans, or other similar means.

         (b) THE  BORROWER  WARRANTS,  REPRESENTS,  COVENANTS  AND AGREES,  AS A
MATERIAL  INDUCEMENT TO THE GRANTING OF THE LOAN EVIDENCED  HEREBY,  THAT ALL OF
THE PROCEEDS OF THIS NOTE AND SAID LOAN SHALL BE USED FOR BUSINESS OR COMMERCIAL
PURPOSES,  AND NO PART OF SAID  PROCEEDS  SHALL  BE  USED  FOR THE  PURCHASE  OF
SECURITIES, OR FOR PERSONAL, FAMILY, HOUSEHOLD OR AGRICULTURAL PURPOSES.

         (c) The captions in this Note are for convenience of reference only and
shall not define or limit the provisions hereof.  This Note may be amended,  and
the  performance  or observance by the Borrower of any terms of this Note or any
other  instrument  relating hereto or the continuance of any default or Event of
Default may be waived (either  generally or in a particular  instance and either
retroactively or prospectively)  with, but only with, the written consent of the
Lender.  No waiver shall extend to or affect any obligation not expressly waived
or impair  any right  consequent  thereon.  No  course  of  dealing  or delay or
omission shall act as a waiver thereof or otherwise be prejudicial  thereto.  No
notice to or demand upon the  Borrower  shall  entitle the  Borrower to other or
further notice or demand in similar or other circumstances.

         (d) This  Note is given to amend and  restate,  and not in  payment  or
satisfaction of, the Working Capital Promissory Note, dated October 15, 1992, in
the original principal amount of $7,000,000, as amended, as a consequence of and
to effect the changes set forth in this Note.

         IN WITNESS  WHEREOF,  the Borrower has caused this Note to be signed in
its name by its duly  authorized  officer under seal on and as of the date first
set forth above.

                                          CONNECTICUT SUBACUTE CORPORATION
Attest:


/s/Deborah DiCostanzo                     By:  /s/Mark J. Finkelstein
                                          Its: President


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