LIBERTY PROPERTY TRUST
PRER14A, 1997-04-09
REAL ESTATE INVESTMENT TRUSTS
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<PAGE>

                          SCHEDULE 14A
                         (Rule 14a-101)

             INFORMATION REQUIRED IN PROXY STATEMENT
                     SCHEDULE 14A INFORMATION

   Proxy Statement Pursuant to Section 14(a) of the Securities
          Exchange Act of 1934 (Amendment No. 1)

Filed by the Registrant  /x/

Filed by a Party other than the Registrant  / /

Check the appropriate box:

/x/               Preliminary Proxy Statement

                  / /      Confidential, for Use of the Commission Only
                           (as permitted by Rule 14a-6(e)(2))

/ /               Definitive Proxy Statement

/ /               Definitive Additional Materials

/ /               Soliciting Material Pursuant to
                  Rule 14a-11(c) or Rule 14a-12


                       LIBERTY PROPERTY TRUST
- ------------------------------------------------------------------------------
                (Name of Registrant as Specified in Its Charter)


- ------------------------------------------------------------------------------
                         (Name of Person(s) Filing Proxy
                    Statement, if Other Than the Registrant)

Payment of Filing Fee (Check the appropriate box):

/x/               No fee required.

/ /               Fee computed on table below per Exchange Act Rules
                  14a-6(i)(1) and 0-11.
                  (1)     Title of each class of securities to which
                          transaction applies:

                          --------------------------------------------------
                  (2)     Aggregate number of securities to which
                          transaction applies:

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


<PAGE>


                  (3)     Per unit price or other underlying value of
                          transaction computed pursuant to Exchange Act Rule
                          0-11 (Set forth the amount on which the filing fee is
                          calculated and state how it was determined):

                          --------------------------------------------------
                  (4)     Proposed maximum aggregate value of transaction:

                          --------------------------------------------------
                  (5)     Total fee paid:

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

/ /               Fee paid previously with preliminary materials.

/ /               Check box if any part of the fee is offset as provided
                  by Exchange Act Rule 0-11(a)(2) and identify the filing
                  for which the offsetting fee was paid previously.
                  Identify the previous filing by registration statement
                  number, or the form or schedule and the date of its
                  filing.
                  (1)     Amount Previously Paid:

                          --------------------------------------------------
                  (2)     Form, Schedule or Registration Statement No.:

                          --------------------------------------------------
                  (3)     Filing Party:

                          --------------------------------------------------
                  (4)     Date Filed:

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



<PAGE>


   
                            LIBERTY PROPERTY TRUST
                        GREAT VALLEY CORPORATE CENTER
    
                           65 VALLEY STREAM PARKWAY 
                                  SUITE 100 
                         MALVERN, PENNSYLVANIA 19355 
                                    ------ 
                   NOTICE OF ANNUAL MEETING OF SHAREHOLDERS 
                           TO BE HELD MAY 21, 1997 
                                    ------ 

   The 1997 ANNUAL MEETING of the shareholders of Liberty Property Trust, a 
Maryland real estate investment trust (the "Trust"), will be held at the 
Wyndham Franklin Plaza, Horizons Ballroom, 17th and Race Streets, 
Philadelphia, Pennsylvania 19103, on Wednesday, May 21, 1997, at 9:00 a.m., 
local time, for the following purposes: 
   
   1. To elect three Class III trustees to hold office until the Annual 
      Meeting of Shareholders to be held in 2000 and until their successors 
      are duly elected and qualified; 

   2. To consider and vote on an amendment to the Declaration of Trust of the 
      Trust to reduce the ownership limitation with respect to shares of 
      beneficial interest of the Trust from 7.5% to 5.0% and in connection 
      therewith to conform the restrictive legend appearing on certificates 
      for shares of beneficial interest of the Trust to reflect such 
      reduction in the ownership limitation; 

   3. To consider and vote on an amendment to the Declaration of Trust of the 
      Trust to permit the Board of Trustees of the Trust to grant certain 
      exemptions from the ownership limitation with respect to shares of 
      beneficial interest of the Trust without shareholder approval. 

   4. To consider and vote on an amendment of the Liberty Property Trust 
      Amended and Restated Share Incentive Plan to increase the number of 
      shares available for awards thereunder from 2,100,000 to 4,033,535; and 

   5. To transact such other business as may properly come before the 
      meeting. 
    
   The Board of Trustees has fixed the close of business on March 25, 1997 as 
the record date for the meeting. Only shareholders of record as of that date 
are entitled to notice of and to vote at the meeting and any adjournment and 
postponement thereof. 

   The accompanying form of proxy is solicited by the Board of Trustees of 
the Trust. Reference is made to the attached Proxy Statement for further 
information with respect to the business to be transacted at the meeting. 

                                            By Order of the Board of Trustees,

 
                                            James J. Bowes 
                                            Secretary 
   
Malvern, Pennsylvania 
April 11, 1997
 
PLEASE COMPLETE AND RETURN YOUR SIGNED PROXY CARD 
    
   Please complete and promptly return your proxy in the envelope provided. 
This will not prevent you from voting in person at the meeting. It will, 
however, help to assure a quorum and to avoid added proxy solicitation costs. 

<PAGE>

   
                            LIBERTY PROPERTY TRUST 
                               PROXY STATEMENT 
                        ANNUAL MEETING OF SHAREHOLDERS 
                           TO BE HELD MAY 21, 1997 

                             GENERAL INFORMATION 

   This proxy statement is being furnished in connection with the 
solicitation of proxies by the Board of Trustees of Liberty Property Trust, a 
Maryland real estate investment trust (the "Trust"), for use at the Trust's 
1997 Annual Meeting of Shareholders (the "Meeting") to be held at the Wyndham 
Franklin Plaza, Horizons Ballroom, 17th and Race Streets, Philadelphia, 
Pennsylvania 19103, on Wednesday, May 21, 1997 at 9:00 a.m., local time, and 
any adjournment or postponement thereof, for the purposes set forth in the 
foregoing notice and more fully discussed herein. This proxy statement, the 
foregoing notice and the enclosed proxy are first being mailed to 
shareholders of the Trust on or about April 11, 1997. Only shareholders of 
record at the close of business on March 25, 1997 shall be entitled to notice 
of and to vote at the Meeting. 

   If the enclosed proxy is properly executed and received by the Trust prior 
to voting at the Meeting, the common shares of beneficial interest, $0.001 
par value per share, of the Trust (the "common shares") represented thereby 
will be voted in accordance with the instructions marked thereon. In the 
absence of instructions, the common shares will be voted FOR the nominees of 
the Board of Trustees in the election of trustees, FOR the proposal relating 
to the reduction of the ownership limitation in the Declaration of Trust of 
the Trust (the "Declaration of Trust"), FOR the proposal relating to the 
amendment to the Declaration of Trust regarding exemptions from the ownership 
limitation and FOR the proposal relating to the amendment to the Amended and 
Restated Share Incentive Plan. Management does not intend to bring any matter 
before the Meeting other than as indicated in the notice and does not know of 
anyone else who intends to do so. If any other matters properly come before 
the Meeting, however, the persons named in the enclosed proxy, or their duly 
constituted substitutes acting at the Meeting, will be authorized to vote or 
otherwise act thereon in accordance with their judgment on such matters. 

   Any proxy may be revoked at any time prior to its exercise by notifying 
the Secretary in writing prior to the time of the Meeting, by delivering a 
duly executed proxy bearing a later date or by attending the Meeting and 
voting in person. 

   On the record date, the Trust had 39,459,913 common shares outstanding and 
entitled to vote at the Meeting. There must be present at the Meeting in 
person or by proxy shareholders entitled to cast a majority of all the votes 
entitled to be cast to constitute a quorum for the Meeting. Common shares 
represented at the Meeting in person or by proxy but not voted will be 
included in determining the presence of a quorum. Each holder of common 
shares is entitled to one vote per share held of record by such holder on the 
record date. Assuming a quorum is present at the Meeting, a plurality of all 
the votes cast at the Meeting shall be sufficient to elect a trustee and to 
approve the proposal relating to the Amended and Restated Share Incentive 
Plan, and a two-thirds vote of all the common shares then outstanding and 
entitled to vote at the Meeting shall be sufficient to approve each of the 
proposals relating to the amendments to the Declaration of Trust. There is no 
cumulative voting in the election of trustees. A majority of all the votes 
cast at the Meeting shall be sufficient to approve any other matter that may 
properly come before the Meeting, unless more than a majority of the votes 
cast is required by statute or by the Declaration of Trust. 
    

                                       
<PAGE>

                        SECURITY OWNERSHIP OF CERTAIN 
                       BENEFICIAL OWNERS AND MANAGEMENT 
   

   The following table sets forth certain information, as of March 31, 1997 
(except as indicated below), regarding the beneficial ownership, as defined 
in Rule 13d-3 under the Securities Exchange Act of 1934, as amended (the 
"Exchange Act"), of common shares by each trustee, each nominee for election 
as trustee, each executive officer listed in the Summary Compensation Table 
appearing on page ____, all trustees and executive officers as a group, and 
each person who is known to the Trust to be the beneficial owner of more than 
five percent of the outstanding common shares. Each person named in the table 
below has sole voting and investment power with respect to the common shares 
listed opposite such person's name, except as otherwise noted. 

<TABLE>
<CAPTION>
                                                                 No. of Shares       Percent 
Beneficial Owners                                              Beneficially Owned    of Class 
 -----------------------------------------------------------   ------------------   ---------- 
<S>                                                            <C>                  <C>
Willard G. Rouse III  ......................................        586,288(1)         1.5% 
Joseph P. Denny  ...........................................        330,750(2)          * 
George F. Congdon  .........................................        389,924(3)         1.0% 
Robert E. Fenza  ...........................................        230,643(4)          * 
George J. Alburger, Jr.  ...................................         28,292(5)          * 
Frederick F. Buchholz  .....................................          4,500(6)          * 
J. Anthony Hayden  .........................................         53,500(6)          * 
M. Leanne Lachman  .........................................          4,500(6)          * 
David L. Lingerfelt  .......................................         35,674(7)          * 
John A. Miller, CLU  .......................................          2,500(8)          * 
Stephen B. Siegel  .........................................          2,000(8)          * 
FMR Corp. 
 82 Devonshire Street, Boston, MA 02109  ...................      4,071,850(9)        10.2% 
All trustees and executive officers as a group (13 persons)       1,971,385(10)        4.7% 
</TABLE>
- ------ 
 *   Represents less than one percent of class. 
(1)  Includes 70,000 common shares subject to options exercisable within 60 
     days of the record date for the Meeting, 4,000 common shares issuable 
     upon exchange of 8% Exchangeable Subordinated Debentures due 2001 (the 
     "Debentures") of Liberty Property Limited Partnership, a Pennsylvania 
     limited partnership (the "Operating Partnership" and, together with the 
     Trust, the "Company") (which, as of March 31, 1997, was 91.54% owned by 
     the Trust), and 457,665 common shares issuable upon exchange of units of 
     limited partnership interest ("Units") of the Operating Partnership, 
     including 3,051 Units which become exchangeable in July 1997.
    

                                       2
<PAGE>

(2)  Includes 67,500 common shares subject to options exercisable within 60 
     days of the record date for the Meeting and 260,250 common shares 
     issuable upon exchange of Units. 
(3)  Includes 35,200 common shares subject to options exercisable within 60 
     days of the record date for the Meeting and 310,153 common shares 
     issuable upon exchange of Units, including 61,611 Units which become 
     exchangeable in July 1997. Includes 2,800 common shares held by Mr. 
     Congdon or his spouse as custodian for children and other relatives, as 
     to which Mr. Congdon disclaims beneficial ownership. 
(4)  Includes 34,900 common shares subject to options exercisable within 60 
     days of the record date for the Meeting and 195,043 common shares 
     issuable upon exchange of Units. Also includes 700 common shares, held 
     by Mr. Fenza as custodian for children, or owned directly by such 
     children, as to which Mr. Fenza disclaims beneficial ownership.
   
(5)  Includes 22,760 common shares subject to options exercisable within 60 
     days of the record date for the Meeting. 
(6)  Includes 3,500 common shares subject to options exercisable within 60 
     days of the record date for the Meeting. 
(7)  Includes 1,000 common shares subject to options exercisable within 60 
     days of the record date for the Meeting, and 30,674 common shares 
     issuable upon exchange of Units. Also includes 987 common shares held by 
     trusts for the benefit of Mr. Lingerfelt's children, as to which Mr. 
     Lingerfelt disclaims beneficial ownership. 
(8)  Includes 1,000 common shares subject to options exercisable within 60 
     days of the record date for the Meeting. 
(9)  Includes 1,639,350 common shares issuable upon exchange of Debentures. 
     As of December 31, 1996, FMR Corp. had sole dispositive power over 
     4,071,850 common shares, including 389,650 common shares over which FMR 
     Corp. had sole voting power. The information relating to FMR Corp. is 
     based solely on a review of a Schedule 13G filed by FMR Corp. with the 
     Securities and Exchange Commission. 
(10) Includes 273,860 common shares subject to options exercisable within 60 
     days of the record date for the Meeting, 4,000 common shares issuable 
     upon exchange of Debentures, and 1,495,458 common shares issuable upon 
     exchange of Units, including 120,117 Units which become exchangeable in 
     June 1997. 
    

                                      3 
<PAGE>

                 ELECTION OF TRUSTEES AND CONTINUING TRUSTEES 

   In accordance with the Declaration of Trust and By-laws, the Board of 
Trustees has fixed the total number of trustees at nine. The Board is divided 
into three classes serving staggered three-year terms, the term of one class 
of trustees to expire in each successive year. Three Class III trustees will 
be elected at the Meeting to serve until the Annual Meeting of Shareholders 
to be held in 2000 and until their successors are duly elected and qualified. 
All of the present nominees for election as trustees currently serve as 
trustees of the Trust. A proxy signed in the enclosed form will be voted FOR 
the election of the nominees named below, unless a contrary instruction is 
given. 

   Management believes that all of its nominees are willing and able to serve 
the Trust as trustees. If any nominee at the time of election is unable or 
unwilling to serve or is otherwise unavailable for election, and as a 
consequence thereof other nominees are designated, the persons named in the 
proxy or their substitutes will have the discretion and authority to vote or 
to refrain from voting for other nominees in accordance with their judgment. 

   The following is a brief description of the nominees for election as 
trustees and of the other trustees of Trust. 

   NOMINEES FOR ELECTION AS CLASS III TRUSTEES WITH TERMS TO EXPIRE IN 2000 

   Joseph P. Denny, age 50, has served as the President, Chief Operating 
Officer and a trustee of the Trust since its inception. Mr. Denny joined 
Rouse & Associates in 1979 and served as a Regional Managing General Partner 
and, later, as President. In these capacities, he was responsible for 
developing approximately one billion dollars of projects, primarily large 
urban projects. Mr. Denny is a member of the Board of Directors of Lawrence 
Holdings Co. Mr. Denny is a Vice Chairman of the Industrial and Office Park 
Council of the Urban Land Institute and serves on the Advisory Board of the 
Wharton Business School's Real Estate Center and the NAREIT Legislative 
Advisory Council. 
   
   David L. Lingerfelt, age 44, has served as a trustee of the Trust since 
May 1995. Mr. Lingerfelt is a partner with the law firm of Shewmake, Baronian 
and Parkinson. Before joining Shewmake, Baronian and Parkinson in August 
1996, Mr. Lingerfelt was Director of Property Administration and Counsel for 
Best Products Co., Inc. Previously, Mr. Lingerfelt had been a partner in the 
Richmond, Virginia office of the law firm of Coates & Davenport. Mr. 
Lingerfelt is a member of the American Bar Association, Real Property Section 
and Business Law Section. 

   John A. Miller, CLU, age 69, has served as a trustee of the Trust since 
May 1995. Mr. Miller is presently serving as Chairman of the Board of 
Guarantee Reassurance Corp., and in July 1997 will retire from the Board of 
Directors of the Provident Mutual Life Insurance Company of Philadelphia 
after serving as Director and Chairman of the Investment Committee. Mr. 
Miller served Provident Mutual in many capacities over his 25 years there, 
including as its President, Chief Operating Officer, Chief Executive Officer 
and Chairman of the Board. He has been a member of various Board of 
Directors, including BetzDearborn, Bryn Mawr Hospital, CoreStates Financial 
Corp. and CoreStates Bank N.A. 
    
                                       4
<PAGE>

           CONTINUING CLASS I TRUSTEES WITH TERMS TO EXPIRE IN 1998 

   Willard G. Rouse III, age 54, has served as Chairman of the Board of 
Trustees and Chief Executive Officer of the Trust since its inception. He had
been a General Partner of Rouse & Associates since its founding in 1972. He
serves as a trustee of the Urban Land Institute. Mr. Rouse has served as
Chairman of each of the Pennsylvania Convention Center Authority, the Foundation
for Architecture, We the People 200 and the Philadelphia Children's Network and
as President of the Fellowship Commission.

   M. Leanne Lachman, age 54, has served as a trustee of the Trust since June 
1994. Ms. Lachman is Managing Director of Schroder Real Estate Associates 
("Schroder"). which specializes in real estate management for institutional 
investors, managing approximately $1.0 billion invested in shopping centers 
and office buildings across the country. Prior to joining Schroder, Ms. 
Lachman was affiliated for 26 years with Real Estate Research Corporation, the
last eight serving as its President and Chief Executive Officer. Ms. Lachman is
a director of Lincoln National Corporation and Chicago Title & Trust Company,
and is an Executive Committee Member and Trustee of the Urban Land Institute and
Urban Land Foundation.

   J. Anthony Hayden, age 52, has served as a trustee of the Trust since June 
1994. Mr. Hayden is the President of Hayden Real Estate, Inc. From 1990 
through February 1996, he served as Executive Director and a member of the 
Board of Directors for Cushman & Wakefield, for whom he had worked since 
1975. From 1981 to 1990 he served as its Mid-Atlantic/Midwest Regional 
Director, and was responsible for the operations and management of the 
Boston, Chicago, Detroit, Philadelphia, Pittsburgh, St. Louis, and 
Washington, DC offices. Mr. Hayden is also a member of the Society of 
Industrial & Office Realtors, serving in 1982 as President of the 
Philadelphia Chapter. He is also a member of the Philadelphia Board of 
Realtors and was President in 1985. Other memberships include the National 
Association of Real Estate Boards and the Urban Land Institute. 

          CONTINUING CLASS II TRUSTEES WITH TERMS TO EXPIRE IN 1999 
   
   George F. Congdon, age 54, has served as a trustee of the Trust since its 
inception and as an Executive Vice President of the Trust since April 1995. 
Previously, Mr. Congdon served as Treasurer and Chief Financial Officer of 
the Trust. Mr. Congdon had been a General Partner of Rouse & Associates, the 
Trust's predecessor, since its founding in 1972. He is a member of the Board 
of Directors of the People's Light and Theater Company and Historic Yellow 
Springs, Inc. 
    
   Frederick F. Buchholz, age 51, has served as a trustee of the Trust since 
June 1994. Mr. Buchholz has been affiliated with Equitable Real Estate or its 
predecessor ("Equitable") since 1968. He was appointed Senior Vice President 
in December 1990 and Executive Vice President in 1992, and is the officer in 
charge of Equitable's New York and Philadelphia regions, supervising new 
business, asset management and restructuring/workout activities on behalf of 
a total mortgage and equity portfolio which exceeds $5.0 billion. Mr. 
Buchholz is a member of the Appraisal Institute, the Philadelphia Board of 
Realtors and the Philadelphia Chamber of Commerce.

                                       5

<PAGE>


   Stephen B. Siegel, age 52, has served as a trustee of the Trust since May 
1995. Mr. Siegel has been president of Insignia/Edward S. Gordon Co., Inc. 
and its predecessor ("ESG"), the fourth largest commercial real estate 
company in the United States, since March 1992. Prior to joining ESG, Mr. 
Siegel spent more than 27 years at Cushman & Wakefield, ascending to Chief 
Executive Officer. Mr. Siegel left Cushman & Wakefield in late 1988 and 
entered a joint venture with the Chubb Corporation where he worked for 
several years to develop and acquire investment-grade office buildings 
throughout the United States. Mr. Siegel is the general chairman of the 
Association for the Help of Retarded Children (AHRC) and a trustee of the 
National Jewish Center for Immunology and Respiratory Medicine. In addition, 
he serves on the advisory board of the Wharton Business School's Real Estate 
Center and New York University's Real Estate Council and is active in the 
Urban Land Institute, the Real Estate Board of New York and the Young 
Men's/Women's Real Estate Association. 

COMMITTEES OF THE BOARD OF TRUSTEES 
   
   The Board's Audit Committee makes recommendations concerning the 
engagement of independent public accountants for the Trust, reviews with such 
accountants the plans and results of the audit engagement, approves 
professional services provided by the independent public accountants and fees 
therefor and reviews the adequacy of the Trust's internal accounting 
controls. The Audit Committee consists of at least two independent trustees, 
with the independent trustees constituting a majority of the Committee 
members. The Audit Committee currently includes no officers or employees of 
the Trust or the Operating Partnership. Members of the Audit Committee are 
Messrs. Buchholz (Chair), Hayden and Siegel and Ms. Lachman. The Committee 
met once during the last fiscal year. 

   The Board's Compensation Committee is empowered to determine compensation 
for the Trust's executive officers and to administer the Trust's Amended and 
Restated Share Incentive Plan. Members of the Compensation Committee are 
Messrs. Miller (Chair), Buchholz and Lingerfelt. See "Report of the 
Compensation Committee on Executive Compensation." The Compensation Committee 
met once during the last fiscal year. 
    
   The Board's Corporate Governance and Nominating Committee consists of Ms. 
Lachman (Chair) and Messrs. Rouse, Hayden and Miller. The Corporate 
Governance and Nominating and Committee makes recommendations to the Board 
regarding nominees for positions on the Board. The Corporate Governance and 
Nominating Committee will consider candidates proposed by shareholders in 
accordance with the following procedure. Such nominations should be sent to 
the attention of the Trust's Secretary at its principal executive office, 
describe the candidate's qualifications and be accompanied by the candidate's 
written statement of willingness and affirmative desire to serve representing 
the interest of all shareholders. Shareholders may also make nominations 
directly by following the procedure specified in the Trust's Bylaws. The 
Corporate Governance and Nomination Committee met once during the last fiscal 
year. 

                                       6

<PAGE>

TRUSTEES' ATTENDANCE AT MEETINGS 
   
   The Board of Trustees held eight meetings during the last fiscal year. 
Each incumbent trustee of the Trust attended at least 75% of the meetings of 
the Board of Trustees and meetings held by all committees on which such 
trustee served. 
    
TRUSTEES' COMPENSATION 

   Each trustee who is not also an officer and full-time employee of the 
Trust or the Operating Partnership receives an annual trustee fee in the 
amount of $18,000 plus a fee of $1,000 for each meeting attended. Trustees 
who are officers and full-time employees of the Trust or the Operating 
Partnership receive no separate compensation for service as a trustee or 
committee member. Additionally, all trustees are reimbursed for travel and 
lodging expenses associated with attending Board and committee meetings. On 
June 23 of each year, each non-employee trustee is entitled to receive a 
10-year option to purchase 5,000 common shares, exercisable at a price equal 
to the fair market value on the date of the grant. Such options are 
exercisable with respect to 20% of the covered shares after the first 
anniversary of the grant date, exercisable with respect to 50% of the covered 
shares after the second anniversary of the grant date and fully exercisable 
after the third anniversary of the grant date. 
   
                 PROPOSALS TO AMEND THE DECLARATION OF TRUST 

NATURE OF PROPOSED AMENDMENTS 

   At a meeting held on February 26, 1997, the Board of Trustees unanimously 
adopted, and recommends for approval by the shareholders at the Meeting, 
certain amendments to the Declaration of Trust. If these amendments are 
approved by shareholders at the Meeting, the Declaration of Trust will be 
amended (a) to reduce the ownership limitation from 7.5% to 5.0% and conform 
the legend required to appear on certificates for shares of beneficial 
interest (which include the common shares and any preferred shares of 
beneficial interest that may be issued in the future) of the Trust to reflect 
the reduction in the ownership limitation; and (b) to allow the Board of 
Trustees flexibility to grant exemptions from the ownership limitation. THE 
AMENDMENTS TO THE DECLARATION OF TRUST REGARDING THE REDUCTION IN THE 
OWNERSHIP LIMITATION AND THE CONFORMING CHANGES TO THE RESTRICTIVE LEGEND 
APPEARING ON THE SHARE CERTIFICATES ARE CONDITIONED UPON THE APPROVAL OF THE 
AMENDMENT TO THE DECLARATION OF TRUST REGARDING EXEMPTIONS FROM THE OWNERSHIP 
LIMITATION, AND WILL NOT BE EFFECTED UNLESS THE AMENDMENT REGARDING 
EXEMPTIONS FROM THE OWNERSHIP LIMITATION IS APPROVED BY SHAREHOLDERS AT THE 
MEETING. 

   If adopted, the proposed amendments will amend (a) Section 7.12 of the 
Declaration of Trust to afford the Board of Trustees authority to grant 
exemptions from the "Ownership Limit" in the Declaration of Trust, without 
also obtaining the affirmative vote of not less than two-thirds of the shares 
of beneficial interest then outstanding and entitled to vote, under 
circumstances in which the aggregate ownership limitations in the Declaration 
of Trust designed to protect the tax status of the Trust as a real estate 
investment trust (the "REIT Status") would not otherwise be breached and 
Section 7.13 of the Declaration of Trust to conform the legend required to 
appear on certificates for shares of beneficial interest of the Trust to 
reflect the aforementioned reduction in the ownership limitation; and (b) 
Section 7.1 of the Declaration of Trust to reduce the percentage of shares of 
beneficial interest of the Trust referred to in the definition of the term 
"Ownership Limit" from 7.5% to 5.0%. 
    

                                        7
<PAGE>

REASONS FOR AND EFFECTS OF PROPOSED AMENDMENTS 

   In order for the Trust to maintain its REIT Status, among other 
requirements, no five or fewer beneficial owners of the shares of beneficial 
interest may, at any one time, beneficially own in the aggregate more than 
50% in number or value of the outstanding shares. In this regard, Article VII 
of the Declaration of Trust contains various provisions designed to ensure 
that such aggregate ownership limit is not breached. Among such limitations 
is an ownership limit, which presently mandates that no shareholder may, 
unless pursuant to an exemption obtained in accordance with Section 7.12 of 
the Declaration of Trust, beneficially own more than that number of shares 
that equals the lesser of (a) 7.5% of the number of outstanding shares and 
(b) 7.5% of the value of outstanding shares. 

BOARD AUTHORITY TO GRANT EXEMPTIONS 
   
   As the Declaration of Trust is presently constituted, these percentages may
be adjusted by the Board of Trustees only upon the affirmative vote of not less
than two-thirds of the shares then outstanding and entitled to vote.
Accordingly, even under circumstances where the Board of Trustees determines to
grant an exemption to the ownership limit in order to facilitate a transaction,
the exemption will not be effective until the holders of two-thirds of the
outstanding shares affirm such exemption. Given the period of time required to
seek shareholder approval of such an action, the usefulness of the Board's
ability to grant exemptions is limited. The Board of Trustees believes that
adoption of the proposed amendments would enhance its ability to grant
exemptions in appropriate cases, thereby facilitating certain equity investments
in the Company. Specifically, the Board of Trustees believes that the ability to
grant exemptions would facilitate investments by certain types of institutional
investors, such as pension funds and mutual funds, that may be willing to make
direct equity investments but require, as a practical matter, that the dollar
amount of the investment be larger than the dollar amount that can currently be
accommodated without a waiver.

   The proposed amendment to the Declaration of Trust would vest in the Board 
of Trustees the discretion to grant exemptions from the ownership limit. As a 
result, the Board of Trustees would, consistent with its fiduciary duties to 
the shareholders, be able to determine the investors for whom exemptions from 
the ownership limit would be granted. By removing the need for shareholder 
approval, the amendment could have the effect of preventing shareholders from 
voting on certain transactions that could effect a change of control. 

   Management has no knowledge of any effort by any person to accumulate the 
Trust's securities or to otherwise seek to obtain control of the Trust 
through a merger, tender offer, proxy solicitation in opposition to 
management or any other means, and such transactions are impeded by certain 
provisions of the Declaration of Trust which provide a limitation on share 
ownership and require that no five or fewer persons may own more than 49% in 
number or value of the outstanding shares of beneficial interest. However, if 
the amendment to the Declaration of Trust regarding exemptions from the 
ownership limitations is adopted, the Board of Trustees would have 
discretion, without seeking shareholder approval, in the context of a 
transaction of this type, to grant an exemption from the ownership limitation 
to a person that might be viewed as friendly to management, which would not 
necessarily be the person offering the highest price to shareholders in the 
control contest. 
    

                                       8
<PAGE>

   

   The adoption of the amendments to the Declaration of Trust regarding the 
reduction in the ownership limitation and the conforming changes to the 
restrictive legend appearing on the share certificates would have a similar 
result in a control contest except that no person could acquire more than 
5.0% (rather than 7.5%) of the shares. 

   It is anticipated that in determining whether to grant exemptions from the 
ownership limitation, the Board of Trustees will consider the Trust's capital 
needs, operations and financial condition, alternative financing sources, the 
identity and nature of persons to whom an exemption may be granted and other 
factors deemed relevant. Depending on the Trust's financial or operational 
condition and other factors at the time it is considering granting a specific 
exemption, the Board of Trustees may be more or less inclined to grant a 
particular exemption. 
    

REDUCTION IN OWNERSHIP LIMIT TO FIVE PERCENT 

   Section 7.11 of the Declaration of Trust also includes a provision to the 
effect that an exemption from the ownership limit cannot be granted if, after 
giving effect to such exemption, the aggregate ownership by any five beneficial
owners could exceed 49.0%. Consistent with Section 7.11, in considering the
grant of an exemption to the ownership limit, it must be assumed that if the
exemption were granted, (i) the shareholder to which the exemption is proposed
to be granted would beneficially own the maximum number of shares permitted to
be beneficially owned under such exemption and (ii) each of four other
shareholders would beneficially own 7.5%, or such higher percentage as might
previously have been achieved by waiver, of the outstanding shares, the maximum
number of shares permitted to be beneficially owned without an exemption, or
30.0% of the outstanding shares in the aggregate. Accordingly, under these
circumstances, if no other exemptions were granted, an exemption could be
granted permitting one shareholder to beneficially own not more than 19.0% of
the outstanding shares.

   Prior to the Trust's initial public offering, an exemption to the 
ownership limit was granted to permit the beneficial ownership by an investor 
of up to 13.0% of the outstanding shares (the "13.0% Shareholder"). 
Accordingly, if the 7.5% ownership limit is retained, additional exemptions 
from the ownership limit will be limited to an aggregate of 6.0% of the 
outstanding shares. If the entire availability for additional exemptions were 
concentrated on one shareholder (other than the 13.0% Shareholder), based on 
a 7.5% ownership limit, such shareholder could be permitted to beneficially 
own 13.5% of the outstanding shares. The Board of Trustees believes that this 
construct results in a limitation upon the Company's ability to facilitate 
large equity investments in the Company. 
   

   If the ownership limit provided in the Declaration of Trust is reduced to 
5.0% of the outstanding shares, as is proposed, then after taking into 
account the exemption previously granted to the 13.0% Shareholder, the 
percentage of the outstanding shares with respect to which the Board of 
Trustees could grant to shareholders additional exemptions from the ownership 
limit would increase from an aggregate of 6.0% to an aggregate of 16.0% of 
the outstanding shares. If the entire availability for additional exemptions 
were concentrated on one shareholder (other than the 13.0% Shareholder), 
based on a 5.0% ownership limit, such shareholder could be permitted to 
beneficially own 21.0% of the outstanding shares. To illustrate the benefit 
to the Trust in reducing the ownership limit, with a 7.5% ownership limit, if 
the availability for exemption were concentrated on the 13.0% Shareholder and 
one other shareholder, such other shareholder could be permitted to 
beneficially own 13.5% of the outstanding shares, whereas with a 5.0% 
ownership limit, such two shareholders could be permitted to beneficially own 
the same amounts and, in addition, another shareholder could be permitted to 
beneficially own 12.5% of the outstanding shares. 
    
                                       9

<PAGE>
   


   The Board of Trustees believes that adoption of the amendment to the 
Declaration of Trust regarding the reduction of the ownership limitation and 
the conforming changes to the restrictive legend appearing on the share 
certificate will enhance the Board's ability to use such exemptions to 
facilitate large equity investments in the Company. The Board of Trustees 
believes that the continued growth of the Trust, as a real estate investment 
trust, is dependent on its ability to execute its acquisition strategy which, 
in turn, is dependent on its ability to raise substantial equity capital. 
While there are a variety of alternatives that may be available to the Trust 
in this regard, the Board of Trustees believes that institutional equity 
investors constitute an important source of capital and that the Trust's 
financing strategy should be designed to afford the Trust the ability to 
attract capital from this source. 

   As a result of the reduction in the ownership limit, the restrictions in 
the Declaration of Trust on share ownership will be imposed on beneficial 
owners of more than 5.0% of the outstanding shares. Presently, such 
restrictions are not imposed unless beneficial ownership exceeds 7.5% of the 
outstanding shares. However, based on Schedules 13G filed with the Securities 
and Exchange Commission, since the Trust's initial public offering, 
management believes that only one shareholder, other than the 13.0% 
Shareholder, had, at any time, beneficially owned in excess of 5.0% of the 
outstanding common shares. Moreover, on the same basis, management believes 
that no shareholder, other than the 13.0% Shareholder, has beneficially owned 
more than 5.0% of the outstanding common shares since approximately December 
31, 1995. Accordingly, management does not believe that the reduction of the 
ownership limit will unduly restrict share ownership in the Trust. Moreover, 
management believes that the reduction in the ownership limit, coupled with 
the ability of the Board of Trustees to grant exemptions from the ownership 
limit without further shareholder approval, will facilitate the Trust's 
formation of capital. 

   Shareholders should carefully consider the proposed amendments to the 
Declaration of Trust. Management believes that the effect of the proposed 
amendments would be to grant the Board of Trustees greater flexibility in 
attracting equity capital to the Trust from institutional investors. 

TEXT OF PROPOSED AMENDMENTS 

   Amendments Regarding Reduction of Ownership Limitation. The text of the 
definition of "Ownership Limit," set forth in Section 7.1 of the Declaration 
of Trust, as proposed to be amended, is set forth below. The proposed 
amendments to the definition have been marked by underlining the text to be 
added and striking through the text to be deleted.
    

                                       10

<PAGE>


   
         "Ownership Limit" shall (initially deleted) mean that number of Shares
       which equals the lesser of (a) (begin underline) 5.0% (end underline)
       (7.5% deleted) of the number of outstanding Equity Shares and (b) (begin
       underline) 5.0% (end underline) (7.5% deleted) of the value of
       outstanding Equity Shares, and after any adjustment as set forth in
       Section 7.10, shall mean such greater percentage of the outstanding
       Equity Shares as so adjusted. The number and value of outstanding Equity
       Shares shall be determined by the Board of Trustees in good faith, which
       determination shall be conclusive for all purposes hereof.

   The text of the legend required to be borne by all certificates for shares 
of beneficial interest in the Trust, set forth in Section 7.13 of the 
Declaration of Trust, as proposed to be amended, is set forth below. The 
proposed amendments to the legend have been marked by underlining the text to 
be added and striking through the text to be deleted. 

       The securities represented by this certificate are subject to
       restrictions on transfer for the purpose of the Trust's maintenance of
       its status as a real estate investment trust under the Internal Revenue
       Code of 1986, as amended. Except as otherwise provided pursuant to the
       Declaration of Trust, no Person (unless such Person is an Existing
       Holder) may Beneficially Own Shares in excess of that number of Shares
       which equals the lesser of (begin underline) 5.0% (end underline) (7.5%
       deleted) (or such greater percentage as may be determined by the Board of
       Trustees) of (a) the number of outstanding Equity Shares of the Trust and
       (b) the value of outstanding Equity Shares of the Trust. Any Person who
       attempts or proposes to beneficially own Shares in excess of the above
       limitations must notify the Trust in writing at least 15 days prior to
       such proposed or attempted Transfer. All capitalized terms in this legend
       have the meanings defined in the Declaration of Trust of the Trust, a
       copy of which will be sent without charge to each Shareholder who so
       requests. If the restrictions on transfer are violated, the securities
       represented hereby will be designated and treated as Excess Shares which
       will be held in the Charitable Trust by the Trust.

   Amendment Regarding Exemptions from the Ownership Limitation. The text of 
Section 7.12 of the Declaration of Trust, as proposed to be amended, is set 
forth below. The proposed amendments to the Section have been marked by 
underlining the text to be added. 

         SECTION 7.12 Exemptions by Board. The Board of Trustees, upon 
       receipt of a ruling from the Internal Revenue Service or an 
       opinion of counsel or other evidence satisfactory to the Board 
       of Trustees, and upon at least 15 days written notice from a 
       Transferee prior to the proposed Transfer which, if consummated, 
       would result in the intended Transferee owning Shares in excess 
       of the Ownership Limit or Existing Holder Limit, as the case may 
       be, and upon such other conditions as the Board of Trustees may 
       direct, may exempt a Person from the Ownership Limit or the 
       Existing Holder Limit, as the case may be; provided, however, 
       that no exemption from the Ownership Limit or the Existing 
       Holder Limit shall be effective without the prior affirmative 
       vote of not less than two-thirds of the Shares then outstanding 
       and entitled to vote (begin underline) if, after giving effect to such
       exemption, five Beneficial Owners of Common Shares (assuming each such
       Beneficial Owner Beneficially Owns the greater of (i) the Ownership Limit
       or (ii) the greatest number or percentage of Shares such Beneficial Owner
       is permitted to own pursuant to this Section 7.12 or any other provision
       hereof) would Beneficially Own, in the aggregate, more than 49% in number
       or value (determined as provided in the definition of "Ownership Limit"
       in Section 7.1) of the outstanding Equity Shares. (end underline)

    

                                       11
<PAGE>
   

RECOMMENDATION AND REQUIRED VOTE 

   The Board of Trustees has unanimously approved and recommends a vote FOR 
approval of the above proposals. Approval of each of the above proposals 
requires the affirmative vote of the holders of not less than two-thirds of 
the common shares outstanding and entitled to vote at the Meeting. 

                 PROPOSAL TO AMEND THE LIBERTY PROPERTY TRUST 
                  AMENDED AND RESTATED SHARE INCENTIVE PLAN 

SUMMARY OF THE PLAN 

   The Trust's Board of Trustees adopted the Liberty Property Trust Amended 
and Restated Share Incentive Plan (the "Plan") effective upon completion of 
the initial public offering of the common shares. At a meeting held on 
February 26, 1997, the Board of Trustees unanimously adopted, and recommend 
for approval by the shareholders at the Meeting, an amendment to the Plan. 
Upon adoption, this amendment will increase the number of common shares 
available for awards under the Plan from 2,100,000 to 4,033,535. The 
following is a brief summary of the Plan, as modified by the proposed 
amendment, which is qualified in all respects by the text of the Plan, 
attached hereto as Exhibit A. 

   Under the Plan the Trust may grant options to purchase shares or may make 
grants of restricted shares to certain participants. Options granted under 
the Plan may be either non-qualified share options ("Non-Qualified Options") 
or options intended to qualify as "incentive stock options" under Section 422 
of the Internal Revenue Code of 1986 (the "Code"), as amended ("Incentive 
Options" and, together with the Non-Qualified Options, the "Options"). 

PURPOSE OF THE PLAN 

   The purpose of the Plan is to advance the interests of the Trust, its 
shareholders and its subsidiaries by providing selected trustees, employees, 
consultants and advisors, upon whom the Trust's sustained growth and 
financial success depend, to acquire or increase their proprietary interest 
in the Trust through receipt of rights to acquire common shares and through 
transfers of restricted shares.
    

                                       12

<PAGE>


AMOUNT OF COMMON SHARES SUBJECT TO OPTIONS AND GRANTS OF RESTRICTED SHARES 
UNDER THE PLAN 
   
   The Plan provides for the grant of Options and restricted shares covering 
an aggregate of 2,100,000 shares. If the proposed amendment to the Plan is 
approved by the shareholders, the maximum aggregate number of common shares 
available for the grant of Options and restricted shares would increase by 
1,933,535 to 4,033,535. The number of common shares subject to Options and 
grants of restricted shares is subject to adjustment to reflect changes in 
the Trust's capitalization. Any Option that is not exercised prior to 
expiration or that otherwise terminates will thereafter be available for 
further grant under the Plan. As of March 31, 1997, grants of Options and 
restricted shares covering 2,065,968 shares had been made under the Plan. 

ADMINISTRATION OF THE PLAN 

   The Plan is administered by a committee or committees designated by the 
Board of Trustees (the "Share Option Committee"). Options and grants of 
restricted shares may be granted under the Plan to members of the Share 
Option Committee only pursuant to automatic grants under a specified formula 
stated in the Plan. Subject to the conditions set forth in the Plan, the 
Share Option Committee has full and final authority to determine the number 
of Options or restricted shares granted, the individuals to whom and the time 
or times at which such Options or restricted shares shall be granted and be 
exercisable, the exercise prices (including vesting) and the terms and 
provisions of the respective agreements to be entered into at the time of 
grant, which may vary; provided, that no more than 250,000 common shares may 
be subject to Options granted to any individual employee in any one calendar 
year. The Plan is intended to be flexible, and a significant amount of 
discretion is vested in the Share Option Committee with respect to all 
aspects of the Options and restricted shares to be granted under the Plan. 

PARTICIPANTS 

   Options and restricted shares may be granted under the Plan to any person 
who is or who agrees to become a trustee, employee, consultant or advisor of 
the Trust, its subsidiaries and designated affiliates. As of March 31, 1997, 
the Trust, its subsidiaries and designated affiliates had nine trustees, 
approximately 202 employees. 

EXERCISE PRICE 

   The exercise price of each Non-Qualified Option granted under the Plan 
shall be determined by the Share Option Committee. The exercise price of each 
Incentive Option granted under the Plan shall be determined by the Share 
Option Committee and shall be 100% of the fair market value of a common share 
on the date the Option is granted (or at least 110% if the recipient owns, 
directly or by attribution under the Code, common shares having 10% of the 
total combined voting power of all classes of shares of the Trust ("10% 
Shareholder") or any subsidiary of the Trust). The payment of the exercise 
price of an Option may be made in cash or shares, as more fully described 
under "Exercise of Options." 
    
                                       13

<PAGE>


   
   Fair market value shall be determined by the Share Option Committee in 
accordance with the Plan and such determination shall be binding upon the 
Trust and upon the holder. The closing sale price of the common shares on the 
New York Stock Exchange on April 8, 1997 was $24 5/8 per share. 
    

TERM OF OPTIONS 

   Incentive Options may be granted for a term of up to 10 years (five years 
in the case of a grant to a 10% Shareholder), which may extend beyond the 
term of the Plan. 

EXERCISE OF OPTIONS 

   The terms governing exercise of Options granted under the Plan shall be 
determined by the Share Option Committee, which may limit the number of 
Options exercisable in any period. 
   

   Payment of the exercise price upon exercise of an Option may be made in 
any combination of cash and common shares, including the automatic 
application of common shares received upon exercise of an Option to satisfy 
the exercise price of additional Options (unless the Share Option Committee 
provides otherwise). Where payment is made in common shares, such common 
shares shall be valued for such purpose at the fair market value of such 
common shares on the date of delivery. In no event shall an Option granted 
under the Plan be exercisable prior to the date of shareholder approval of 
the Plan. 
    

NON-TRANSFERABILITY 

   Options granted under the Plan are not transferable other than by will or 
the laws of descent and distribution or pursuant to a qualified domestic 
relations order. 

TERMINATION OF RELATIONSHIP 
   

   Except as the Share Option Committee may expressly determine otherwise, if 
the holder of an Option ceases to be employed by or to have another 
qualifying relationship (such as that of trustee, employee, consultant or 
advisor) with the Trust, any of its subsidiaries or a designated affiliate 
other than by reason of the holder's death or permanent disability (as 
defined in the Plan), all Options granted to such holder under the Plan shall 
terminate immediately, except for Options that were exercisable on the date 
of such termination of relationship, which Options shall terminate three 
months after the date of such termination of relationship unless such Options 
expire or terminate earlier. In the event of the death or permanent 
disability of the holder of an Option, except as the Share Option Committee 
may expressly determine otherwise, Options may be exercised to the extent 
that the holder might have exercised the Options on the date of death or 
permanent disability. 
    

                                      14 
<PAGE>
   

AMENDMENT AND TERMINATION OF THE PLAN
 
   The Board of Trustees may at any time and from time to time amend, suspend 
or terminate the Plan, but may not, without the approval of the shareholders 
of the Trust representing a majority of the voting power, increase the 
maximum number of shares subject to Options that may be granted under the 
Plan or change the class of individuals eligible to receive an Incentive 
Option. No amendment, suspension or termination of the Plan by the Board of 
Trustees may alter or impair any of the rights under any Option granted under 
the Plan without the holder's consent. 

   The Plan makes it clear that the Share Option Committee may amend any 
award under the Plan (provided that any such amendment that would impair the 
rights or interests of a participant must have the written consent of the 
participant, except if such amendment is to enable the Plan to qualify for an 
exemption under Rule 16b-3 of the Securities Exchange Act of 1934, as 
amended) to include any provision that, at the time of such amendment, is 
authorized under the Plan. 

CHANGE IN CONTROL 

   In the event of a change in control, as defined in the Plan, Options to 
the extent not then vested will be fully exercisable. 

EFFECTIVE DATE AND TERM OF THE PLAN 

   Options may be granted after the date that is the tenth anniversary of the 
earlier of the date on which the Plan is adopted or is approved by the 
shareholders. 

TERMS OF RESTRICTED SHARES 

   The Committee will determine the terms and conditions applicable to awards 
of restricted shares, including a period during which the restricted shares 
may not be sold, assigned, transferred, pledged or otherwise encumbered. 
Unless otherwise determined by the Committee, a recipient of a restricted 
share award will have the same rights as an owner of common shares, including 
the right to receive cash distributions and to vote the common shares. Unless 
otherwise specified in an award, upon termination of employment a participant 
will forfeit all restricted shares as to which the restrictions had not 
lapsed at time of the termination of employment. 

REGISTRATION OF SHARES SUBJECT TO THE PLAN 

   The 2,100,000 common shares available under the Plan as currently 
constituted were registered under a Form S-8 Registration Statement under the 
Securities Act of 1933, as amended (the "Securities Act"), which was filed 
with the Securities and Exchange Commission (the "Commission") on ________, 
199__ and became effective on _________, 199__. 

   If the proposed amendment is adopted, the 1,933,535 additional common 
shares that will be available under the Plan will be registered under a Form 
S-8 Registration Statement under the Securities Act, to be filed with the 
Commission within 12 months after the date of the Meeting. 
    
                                       15

<PAGE>

   

CERTAIN FEDERAL INCOME TAX CONSEQUENCES 

   Incentive Options. The Trust believes that with respect to Incentive 
Options granted under the Plan, no income generally will be recognized by an 
optionee for federal income tax purposes at the time such an Option is 
granted or at the time it is exercised. If the optionee makes no disposition 
of the common shares so received within two years from the date the Incentive 
Option was granted and one year from the receipt of the common shares 
pursuant to the exercise of the Incentive Option, he will generally recognize 
long-term capital gain or loss upon disposition of the common shares. 

   If the optionee disposes of common shares acquired by exercise of an 
Incentive Option before the expiration of the applicable holding period, any 
amount realized from such a disqualifying disposition will be taxable as 
ordinary income in the year of disposition generally to the extent that the 
lesser of the fair market value of the common shares on the date the Option was
exercised or the fair market value at the time of such disposition exceeds the
exercise price. Any amount realized upon such a disposition in excess of the
fair market value of the common shares on the date of exercise generally will be
treated as long-term or short-term capital gain, depending on the holding period
of the common shares. A disqualifying disposition will include the use of common
shares acquired upon exercise of an Incentive Option in satisfaction of the
exercise price of another Option prior to the satisfaction of the applicable
holding period.

   The Trust will not be allowed a deduction for federal income tax purposes 
at the time of the grant or exercise of an Incentive Option. At the time of a 
disqualifying disposition by an optionee, the Trust generally will be 
entitled to a deduction for federal income tax purposes equal to the amount 
taxable to the optionee as ordinary income in connection with such 
disqualifying disposition (assuming that such amount constitutes reasonable 
compensation). 

   Non-qualified Options. The Trust believes that the grant of a 
Non-Qualified Option under the Plan will not be subject to federal income 
tax. Upon exercise, the optionee generally will recognize ordinary income in 
an amount equal to the excess of the fair market value of the common shares 
on the date of exercise over the exercise price. Gain or loss on the 
subsequent sale of common shares received on exercise of a Non-Qualified 
Option generally will be long-term or short-term capital gain or loss, 
depending on the holding period of the common shares. 

   Upon exercise of a Non-Qualified Option, the Trust generally will be 
entitled to a compensation deduction for federal income tax purposes in the 
year and in the same amount as the optionee or grantee is considered to have 
recognized ordinary income (assuming that such compensation is reasonable and 
that provision is made for withholding of federal income taxes, where 
applicable). In general, under Section 162(m) of the Code (the "Million 
Dollar Cap"), no deduction is allowed for remuneration in excess of 
$1,000,000 paid by the Trust during any taxable year to any of the Chief 
Executive Officer or the four

    
                                       16

<PAGE>

   


highest compensated executive officers (other than the Chief Executive Officer).
Remuneration for this purpose excludes certain performance-based compensation.
The Trust believes that all general requirements applicable to the Plan under
the performance-based compensation rules have been met in order for specific
Option grants to be treated as giving rise to performance-based compensation. It
is anticipated that the Plan will be administered so that all Non-Qualified
Options will in fact qualify as performance-based and any income recognized on
their exercise will be exempt from the Million Dollar Cap.

ACCOUNTING CONSEQUENCES 

   The accounting treatment of Options selected by the Trust provides that no 
amount is accrued as compensation and thus charged against earnings unless 
the Options were granted at below the market price. In the latter 
circumstance, the excess of such market price over the exercise price is 
fixed at the date of grant and is amortized, through a charge against 
earnings, over the period to which the compensation represented by the 
Options is deemed attributable. This is typically the vesting period of the 
Options. 

RECOMMENDATION AND REQUIRED VOTE 

   The Board of Trustees recommends a vote FOR approval of the above 
proposal. Approval of the above proposal requires the affirmative vote of the 
holders of a majority of the common shares represented at the Meeting.

    

                                      17 
<PAGE>

                      COMPENSATION OF EXECUTIVE OFFICERS 

   The following table shows, for the years ended December 31, 1996, 1995 and 
1994, the compensation paidor accrued by the Trust and its subsidiaries, 
including the Operating Partnership, to the Trust's Chief Executive Officer 
and to the four other most highly compensated executive officers, determined 
as of December 31, 1996 (collectively, the "Named Executive Officers"). 

                          SUMMARY COMPENSATION TABLE 
   

<TABLE>
<CAPTION>
                                                                                Long-Term Compensation 
                                                                        ------------------------------------- 
                                    Annual Compensation                           Awards            Payouts 
                              ------------------------------            -------------------------- ---------- 
                                                               Other                   
                                                               Annual    Restricted    Securities                 All  
                                                             Compensa-      Stock      Underlying                Other  
                                                              tion ($)   Awards ($)     Options/      LTIP      Compen-
Name and Principal Positions  Year(1) Salary($)   Bonus($)      (2)          (3)        SARs(#)    Payouts($) sation ($) 
 ---------------------------- ------- ----------  ---------- ----------- ------------ ------------ ----------  ---------- 
<S>                           <C>     <C>         <C>        <C>         <C>          <C>          <C>        <C>
Willard G. Rouse III.......    1996    $220,470   $104,850       --       $ 60,000       77,175        --         -- 
 Chairman and                  1995    $210,000   $200,500       --             --      100,000        --         -- 
 Chief Executive Officer       1994    $113,750   $    500       --             --      100,000        --         --
 
Joseph P. Denny............    1996    $183,750   $129,215       --             --       64,313        --         -- 
 President and                 1995    $175,000   $175,500       --             --       87,500        --         -- 
 Chief Operating Officer       1994    $ 94,791   $    500       --             --      100,000        --         --
 
George F. Congdon..........    1996    $178,500   $    500       --       $ 89,964       37,485        --         -- 
 Executive Vice President      1995    $170,000   $ 51,500       --       $ 61,200       51,000        --         -- 
                               1994    $ 92,083   $    500       --             --       50,000        --         --
 
Robert E. Fenza............    1996    $173,250   $ 73,265       --             --       36,383        --         -- 
 Executive Vice President      1995    $165,000   $ 99,500       --             --       49,500        --         -- 
                               1994    $ 89,375        500       --             --       50,000        --         --
 
George J. Alburger, Jr.....    1996    $168,000   $    500       --       $100,800       42,000        --         -- 
 Chief Financial Officer       1995    $104,849   $    375       --       $ 63,135       76,300        --         -- 
                               1994    $     --   $     --       --             --           --        --         -- 
</TABLE>
    

- ------ 
(1) Amounts for 1994 represent amounts paid from June 16, 1994 (the effective 
    date of the Trust's initial public offering) through December 31, 1994. 
    Annual salary rates during such period were: Mr. Rouse-- $210,000; Mr. 
    Denny-- $175,000; Mr. Congdon - $170,000; and Mr. Fenza-- $165,000. For 
    the period January 1 through June 15, 1994, Messrs. Rouse, Denny, 
    Congdon, and Fenza received aggregate salaries of $25,208, $102,500, 
    $25,208 and $75,625, and aggregate bonuses of $4,038, $3,365, $3,269 and 
    $3,173, respectively, from the Trust's predecessors. Messrs. Rouse and 
    Congdon also received distributions as partners of various predecessor 
    partnerships during this period. 

(2) Did not exceed the lesser of $50,000 or 10% of the total annual salary 
    and bonus for any Named Executive Officer. 
   

(3) Consistent with a policy adopted by the Trust's compensation committee 
    with respect to employee bonus compensation, Messrs. Rouse, Congdon and 
    Alburger elected to receive common shares in lieu of cash for all or part 
    of their bonus compensation for 1996, at the rate of shares equal to 120% 
    of the cash value of such bonus or portion thereof (the "Bonus Value"). 
    See "Report of the Compensation Committee on Executive Compensation." 
    Pursuant to such elections, in March 1997, Messrs. Rouse, Congdon and 
    Alburger were awarded 1,522 shares, 2,292 shares and 2,554 shares, 
    respectively. Each executive received the number of shares able to be 
    purchased with the dollar amount of the Bonus Value, less applicable 
    withholding, based on the closing price per share of the common shares on 
    February 28, 1997. The dollar amounts of Bonus Values are not reflected 
    under the Bonus column. Dividends will be paid on the shares issued 
    pursuant to such awards, and such awards will vest on March 1, 1998. 
    

                                      18 
<PAGE>
   

                 SHARE OPTION GRANTS, EXERCISES AND HOLDINGS 

   The following tables set forth certain information concerning options to 
purchase shares that were granted to the Named Executive Officers with 
respect to the fiscal year ended December 31, 1996, options exercised by the 
Named Executive Officers during such period and the number and value of 
options held by such persons as of the end of such period. The Trust does not 
have any outstanding stock appreciation rights. 
    

                    OPTIONS/SAR GRANTS IN LAST FISCAL YEAR 

<TABLE>
<CAPTION>
                                                       Individual Grants
                                                      ------------------                          Potential Realizable Value at 
                                Number of       Percent of Total                                      Assumed Annual Rates of 
                                Securities        Options/SARs                                        Share Price Appreciation 
                                Underlying         Granted to         Exercise or                        for Option Term(3) 
                               Options/SARs       Employees in        Base Price       Expiration -------------------------------- 
            Name             Granted (#) (1)      Fiscal Year      ($ per Share) (2)      Date             5% ($)         10% ($) 
- ---------------------------  ---------------- -------------------- ----------------- -------------- -------------------- --------- 
<S>                          <C>              <C>                  <C>               <C>            <C>                  <C>
Willard G. Rouse III                --                 --                 --               --               $ --           $ -- 
Joseph P. Denny                     --                 --                 --               --               $  --          $  -- 
George F. Congdon                   --                 --                 --               --               $  --          $  -- 
Robert E. Fenza                     --                 --                 --               --               $  --          $  -- 
George J. Alburger, Jr.             --                 --                 --               --               $  --          $  -- 

</TABLE>

   
                       AGGREGATED OPTION/SAR EXERCISES 
                 AND FISCAL YEAR-END OPTION/SAR VALUE TABLES 

<TABLE>
<CAPTION>
                                                               Number of Securities        Value of Unexercised 
                                                              Underlying Unexercised           In-the-Money 
                                                                 Options/SARs at             Options/SARs at 
                           Shares Acquired      Value          Fiscal Year-End (#)       Fiscal Year-End ($) (1) 
          Name             on Exercise (#)   Realized ($)   Exercisable/Unexercisable   Exercisable/Unexercisable 
 -----------------------   ---------------   ------------    -------------------------   ------------------------- 
<S>                        <C>               <C>            <C>                         <C>
Willard G. Rouse III             --               --              70,000/207,175            $387,500/$687,500 
Joseph P. Denny                  --               --              67,500/184,313            $375,000/$637,500 
George F. Congdon                --               --              35,200/103,285            $194,750/$347,750 
Robert E. Fenza                  --               --              34,900/100,983            $193,250/$341,750 
George J. Alburger, Jr.          --               --               22,760/95,540            $123,175/$277,075 
</TABLE>
    

- ------ 
(1) Value is reported net of option exercise price, but before taxes 
    associated with exercise.

                                       19

<PAGE>


EMPLOYMENT AGREEMENTS 

   Messrs. Rouse, Denny and Congdon have entered into employment agreements 
with the Trust and the Operating Partnership, each dated June 23, 1994. Each 
agreement has a three-year term, subject to certain termination provisions 
and subject to extension if the executive and the Trust so agree. The initial 
base salary for each executive is specified in the agreements; for the base 
salaries paid in 1996, 1995 and 1994, see the Summary Compensation Table 
above. The agreements provide that bonuses, incentive compensation and any 
annual increases in base salary shall be determined by the Compensation 
Committee of the Board of Trustees. Pursuant to the employment agreements, 
each executive has agreed that, during the Restriction Period (defined 
below), the executive will not engage in any activities or businesses 
relating to the commercial real estate industry, either directly or 
indirectly, unless the consent of a majority of the independent trustees of 
the Trust is first obtained. The Restriction Period shall expire on the 
earlier of June 23, 2000 or the date of the executive's termination, unless 
the termination is caused by any violation of these restrictions. Each 
executive is permitted to continue to engage in certain business activities 
in addition to those conducted by the Trust or the Operating Partnership. If 
an executive's employment with the Trust is terminated by the Trust as a 
result of the executive's disability, or by the executive for any reason in 
accordance with the provisions of the agreement, then in addition to base 
salary and any incentive compensation payable through the date of such 
termination, the executive shall be entitled to a lump sum payment equal to 
the greater of 12 months' base salary or the base salary payable for the 
remainder of the then-current term of the executive's employment agreement. 
In such event the executive shall also continue to receive employee and 
dependent benefits for the remaining portion of the then-current term of the 
employment agreement. Each employment agreement also provides that the 
executive will be nominated for election as a trustee during the term 
thereof. 

SECTION 16(A) BENEFICIAL OWNERSHIP REPORTING COMPLIANCE 
   

   Pursuant to Section 16(a) of the Exchange Act, the Trust's executive 
officers and trustees, and persons beneficially owning more than 10% of the 
common shares, are required to file with the Securities and Exchange 
Commission reports of their initial ownership and changes in ownership of 
common shares. The Trust believes that for 1996, its executive officers and 
trustees who were required to file reports under Section 16(a) complied with 
such requirements in all material respects. 
    

                             CERTAIN TRANSACTIONS 

   Executive officers of the Trust and their affiliates who were partners in 
58 property- owning partnerships in existence prior to the formation of the 
Trust in 1994 (the "Pre-Existing Partnerships") retained a minor portion of 
their interest in the Pre-Existing Partnerships, in order to eliminate an 
adverse tax consequence to the Trust in its formation. The Operating 
Partnership acquired all of the other interests in the Pre-Existing 
Partnerships in the formation. As part of the formation, these executive 
officers and affiliates entered into 


                                       20
<PAGE>
   

an agreement with the Operating Partnership under which such remaining interests
will be exchanged, subject to $23.9 million of indebtedness of the partners
(Willard G. Rouse III, $592,054; George F. Congdon, $10,282,027; David C.
Hammers $10,105,520; affiliates $2,939,848) due to the Trust (which will be
assumed by the Operating Partnership), for 120,117 additional Units. The
exchange will take place in December 1997, at which time the transferor partners
will be released from liability with respect to such indebtedness. The
indebtedness was created at the time of the formation and the proceeds were used
by the partners to make capital contributions to the Pre-Existing Partnerships.
Such capital contributions were used to eliminate encumbrances on the
partnerships' properties at the time of the Trust's formation. Such arrangements
will not confer any Units or other economic benefits on the Trust's executives
in excess of the benefits they would have received, or involve expenditure by
the Trust or Operating Partnership of any sums in excess of the sums that would
have been expended, if the Trust's executives had conveyed their entire interest
in the Pre-Existing Partnerships to the Operating Partnership at the time of the
Trust's formation. The shareholding information of the executive officers given
above treats the Units to be received by them in the anticipated exchange (and
the common shares for which they may be exchanged) as being owned beneficially
indirectly by such persons at this time.
    

   The founding partners of Rouse & Associates, the Company's predecessor, 
also owned all of The Norwood Company ("Norwood"), a construction company 
that performed much but not all of the construction for Rouse & Associates. 
After the Trust's formation in 1994, the independent trustees of the Trust's 
Board of Trustees determined that it would be in the best interests of the 
Trust for Norwood to continue to perform construction for the Trust provided 
it was not receiving a greater profit on Trust jobs than it was making on 
jobs with third parties not related to the Trust. An agreement was reached 
with Norwood that at the end of each fiscal year, it would calculate the 
profit it made on each Trust job and compare it with its average profit on 
non-Trust jobs for that year and refund any profit that exceeded the average 
profit. In January 1995, the owners of Norwood sold the company to certain of 
its employees, none of whom is a Trust employee, taking back notes which are 
non-recourse to the buyers. Under those circumstances, the independent 
trustees determined it was appropriate to keep the profit limitation on 
Norwood jobs for another year. 

                     REPORT OF THE COMPENSATION COMMITTEE 
                          ON EXECUTIVE COMPENSATION 

   The Compensation Committee of the Board of Trustees, composed of 
independent trustees of the Board of Trustees of the Trust, reviews the 
performance of the Trust's executive officers, fixes the base compensation of 
executive officers and awards appropriate bonuses, grants, shares, and 
options and determines the number of common shares to which such options 
should be subject. The Committee has access to independent compensation data 
and is authorized, if determined appropriate in any particular case, to 
engage outside compensation consultants. 

   The objectives of the Committee are to support the achievement of desired 
Trust performance, to provide compensation and benefits that will attract and 
retain superior talent, to reward performance and to relate a portion of 
compensation to the outcome of the Trust's performance. 

                                      21 
<PAGE>

   The executive compensation program is comprised generally of base salary, 
performance bonuses and long-term incentives in the form of share options. 
The compensation program may also include various benefits, including health 
insurance plans and pension, profit sharing and retirement plans in which 
substantially all of the Trust's employees participate. At the present time, 
the only plans in effect are health, life and disability insurance plans, a 
cafeteria plan and a 401(k) plan. 
   
   In connection with the initial public offering of the Trust, Messrs. Rouse 
(the Chairman and Chief Executive Officer), Denny (the President and Chief 
Operating Officer), and Congdon (Executive Vice President), respectively, 
entered into three-year employment contracts through June 22, 1997, which 
provided for base salary and benefits which were negotiated with the 
underwriters of the Trust's initial public offering, on the basis of 
comparable employment compensation arrangements provided to other public real 
estate investment trusts at the time of the offering. Annual increases, 
bonuses and incentive compensation are to be determined by the Compensation 
Committee at the end of each calendar year, subject to the express provisions 
of the employment contracts. The salaries for 1997 will be increased by four 
percent of the 1996 amount. The Compensation Committee determined that a four 
percent increase for 1997 was an appropriate adjustment taking into account 
the inflation rate and other factors. The bonuses for the Named Executive 
Officers and the Chief Financial Officer are determined by the increase in 
the Trust's funds from operations. Such bonuses could range from 0% to 100% 
of base salary based on increases in funds from operations of less than 10% 
to increases of 13.5% or more. The actual bonuses of these executive officers 
for fiscal year 1996 ranged from $73,265 to $154,850. Consistent with a 
policy adopted by the Compensation Committee for all employees, an Executive 
Officer has the option of taking stock in lieu of a cash bonus at the rate of 
shares equal to 120% of the cash value of the bonus. Base salary levels for 
the Trust's other executive officers are generally the median of salaries of 
officers of companies comparable in business, size and location, as adjusted 
to take into account individual experience and performance specific to the 
Trust. Because the companies used for comparative purposes are generally 
local to the markets served by the Company, they do not overlap completely 
the companies in the NAREIT Index referred to in the performance graph under 
"Share Price Performance Graph." 
    
   The Compensation Committee determines the bonuses for executive officers 
other than the Named Executive Officers based upon attainment of certain 
performance goals relating to each participant's duties to the Trust and as 
established annually by the Trust's Chief Operating Officer, which may 
include growth in funds from operations. 

   The Compensation Committee believes that employee equity ownership 
provides significant additional motivation to employees to maximize value for 
the Trust's shareholders and, therefore, grants share options to certain of 
the Trust's employees, including executive officers. It is anticipated that 
options will be exercisable at the prevailing market price of the common 
shares at the time of grant and, therefore, will have value only if the 
Trust's share price increases over the exercise price after the option is 
granted. The Committee believes that the grant of share options provides a 
long-term incentive to the grantees to contribute to the growth of the Trust 
and establishes a direct link between compensation and shareholder return. 
The terms of options, including vesting, exercisability and term, are 
determined by

                                       22

<PAGE>
   

the Compensation Committee, subject to requirements imposed by the Trust's
Amended and Restated Share Incentive Plan under which such options may be
granted. The decisions are based upon relative position and responsibilities of
each employee, historical and expected contributions of each employee to the
Trust, previous grants to each employee under the Plan and a review of
competitive equity compensation for employees of similar rank in companies that
are comparable to the Trust's industry, geographic location and size. For
information regarding recent options granted to the Trust's Named Executive
Officers, reference is made to the tables set forth in this Proxy Statement
under the caption "Compensation of Executive Officers."
    

                            Compensation Committee

 
                            John A. Miller (Chair) 
                            Frederick F. Buchholz 
                             David L. Lingerfelt



                                      23 
<PAGE>

                        SHARE PRICE PERFORMANCE GRAPH 

   The following table compares the cumulative total shareholder return on 
the common shares for the period beginning June 30, 1994 and ending December 
31, 1996 with the cumulative total return on the Standard & Poor's 500 Stock 
Index ("S&P 500") and the NAREIT Equity REIT Total Return Index ("NAREIT 
Index") over the same period. Total return values for the S&P 500, the NAREIT 
Index and the common shares were calculated based on cumulative total return 
assuming the investment of $100 in the NAREIT Index, the S&P 500 and the 
common shares on June 30, 1994, and assuming reinvestment of dividends. The 
shareholder return shown on the graph below is not necessarily indicative of 
future performance. 

                    COMPARISON OF CUMULATIVE TOTAL RETURN 
           LIBERTY PROPERTY TRUST COMMON SHARES, NAREIT EQUITY REIT 
                     TOTAL RETURN INDEX AND S&P 500 INDEX
 
<TABLE>
<CAPTION>
                              
<S>    <C>                                                                  <C>                                 <C>         
$200.00 |----------------------------------------------------------------------------------------------------------|
        |                                                                                                          |
        |                                                                                                          |
        |                                                                                                        # |
        |                                                                                                          |
        |                                                                                          #               |
$150.00 |----------------------------------------------------------------------#-----------------------------------|
        |                                                           #                                            &*|
        |                                               #                                                          |
        |                                  #                                             &                         |
        |                   #                              *              *&                                       |
        |                     *                                                          *                         |
$100.00 |--#*&--------------------------------&--------------------------------------------------------------------|
        |                   &                                                                                      |
        |                                                                                                          |
        |                                                                                                          |
        |                                                                                                          |
        |                                                                                                          |
   $0.0 |----------------------------------------------------------------------------------------------------------|
     30-Jun-94 30-Sep-94 31-Dec-94 31-Mar-95 30-Jun-95 30-Sep-95 31-Dec-95 31-Mar-96 30-Jun-96 30-Sep-96 31-Dec-96

                            *=Liberty Property Trust    &=NAREIT Index (1)   #=S&P 500
</TABLE>

<TABLE>
<CAPTION>
                           1994                                1995                                        1996 
               --------------------------------------------------------------------------------------------------------------------
               June 30   Sept. 30   Dec. 31   Mar. 31   June 30    Sept. 30    Dec. 31    Mar. 31    June 30    Sept. 30   Dec. 31
               -------------------------------------------------------------------------------------------------------------------- 
<S>            <C>       <C>        <C>       <C>       <C>         <C>         <C>       <C>         <C>       <C>        <C>
Liberty 
Property 
Trust......    100.00     99.38     100.52    101.19    104.61     115.52       115.12     114.42     112.40      125.48     151.37
- ----------------------------------------------------------------------------------------------------------------------------------- 
NAREIT 
Index (1)..    100.00     97.95      97.97     97.80    103.56     108.43       112.93      115.50    120.63      128.53     152.75
- ----------------------------------------------------------------------------------------------------------------------------------- 
S&P 500....    100.00    104.92     104.90    115.11    126.03     136.05       144.16      151.90    158.71      163.61     177.30
- ----------------------------------------------------------------------------------------------------------------------------------- 
</TABLE>
   

- ------ 
(1) The NAREIT Index (consisting of 166 real estate investment trusts with a 
    total market capitalization of $78.3 billion at December 31, 1996) is 
    maintained by the National Association of Real Estate Investment Trusts, 
    Inc., is published monthly, and is based on the last closing prices of 
    the preceding month. 
    

                                      24 
<PAGE>

                        PROPOSALS OF SECURITY HOLDERS 

   All proposals of any shareholder of the Trust that such holder wishes to 
be presented at the next Annual Meeting of Shareholders and included in the 
proxy statement and form of proxy prepared for that meeting must be received 
by the Trust at its principal executive offices no later than November 21, 
1997. All such proposals must be submitted in writing to the Secretary of the 
Trust at the address appearing on the notice accompanying this proxy 
statement. 

                             INDEPENDENT AUDITORS 

   Ernst & Young LLP performed the customary auditing services for the fiscal 
year ended December 31, 1996. The Trust has selected Ernst & Young LLP as its 
independent auditors to perform these services for the next fiscal year. A 
representative of Ernst & Young LLP is expected to be present at the Meeting. 
Such representative will be available to respond to questions from the floor 
and will be afforded an opportunity to make any statement which he or she may 
deem appropriate. 

                           SOLICITATION OF PROXIES 
   

   The cost of the solicitation of proxies will be borne by the Trust. In 
addition to the use of the mails, solicitations may be made by telephone and 
personal interviews by officers, directors and regularly engaged employees of 
the Trust. The Trust has engaged Corporate Investor Communications, Inc. 
("CIC") to distribute the Trust's shareholder materials and solicit proxies. 
The Trust has agreed to pay CIC a fee of approximately $6,000 and reimburse 
CIC for all reasonable disbursements. Brokerage houses, custodians, nominees 
and fiduciaries will be requested to forward this proxy statement to the 
beneficial owners of the stock held of record by such persons, and the Trust 
will reimburse them for their charges and expenses in this connection. 
    

                          ANNUAL REPORT ON FORM 10-K 

   The Trust will provide without charge to each person solicited by this 
Proxy Statement, at the written request of any such person, a copy of the 
Trust's Annual Report on Form 10-K (including the financial statements and 
the schedules thereto) as filed with the Securities and Exchange Commission 
for its most recent fiscal year. Such written requests should be directed to 
the Director of Investor Relations at the address of the Trust appearing on 
the first page of this Proxy Statement.


                                      25 
<PAGE>

                            LIBERTY PROPERTY TRUST 
                  AMENDED AND RESTATED SHARE INCENTIVE PLAN 

   1. Purpose. Liberty Property Trust (the "Company") hereby amends and 
restates the Liberty Property Trust Share Incentive Plan (the "Plan") as set 
forth herein. The Plan is intended to recognize the contributions made to the 
Company by key employees, consultants and advisors of the Company or an 
Affiliate (including employees who are members of the Board of Trustees) of 
the Company or any Affiliate, to provide such persons with additional 
incentive to devote themselves to the future success of the Company or an 
Affiliate, and to improve the ability of the Company or an Affiliate to 
attract, retain, and motivate individuals upon whom the Company's sustained 
growth and financial success depend, by providing such persons with an 
opportunity to acquire or increase their proprietary interest in the Company 
through receipt of rights to acquire common shares of beneficial interest, 
$.001 par value per share (the "Shares"), in the Company, and through 
transfers of Shares subject to conditions of forfeiture. In addition, the 
Plan is intended as an additional incentive to members of the Board of 
Trustees (the "Trustees") who are not employees of the Company or an 
Affiliate to serve on the Board of Trustees and to devote themselves to the 
future success of the Company by providing them with an opportunity to 
acquire or increase their proprietary interest in the Company through the 
receipt of Options to acquire Shares. 

   2. Definitions. Unless the context clearly indicates otherwise, the 
following terms shall have the following meanings: 

       (a) "Affiliate" means a corporation which is a parent corporation or a 
   subsidiary corporation with respect to the Company within the meaning of 
   Section 424(e) or (f) of the Code. In addition, "Affiliate" means any 
   other entity in which the Company owns an interest which would be an 
   Affiliate as defined in the preceding sentence but for the fact that such 
   entity is not a corporation. Employees of any such non-corporate affiliate 
   shall not be granted ISOs under the Plan. 
       (b) "Award" means a grant of Shares subject to conditions of forfeiture 
   made pursuant to the terms of the Plan. 
       (c) "Award Agreement" means the agreement between the Company and a 
   Grantee with respect to an Award made pursuant to the Plan. 
       (d) "Awardee" means a person to whom an Award has been granted pursuant 
   to the Plan. 
       (e) "Board of Trustees" means the Board of Trustees of the Company. 
       (f) "Change of Control" has the meaning as set forth in Section 10 of 
   the Plan. 
       (g) "Code" means the Internal Revenue Code of 1986, as amended. 
       (h) "Committee" has the meaning set forth in Section 3 of the Plan. 
       (i) "Company" means Liberty Property Trust, a Maryland real estate 
   investment trust. 
       (j) "Disability" has the meaning set forth in Section 22(e)(3) of the 
   Code. 
       (k) "Fair Market Value" has the meaning set forth in Subsection 8(b) of 
   the Plan. 
       (l) "Grantee" means a person to whom an Option or an Award has been 
   granted pursuant to the Plan. 
       (m) "ISO" means an Option granted under the Plan which is intended to 
   qualify as an "incentive stock option" within the meaning of Section 
   422(b) of the Code. 
       (n) "Non-employee Trustee " means a member of the Board of Trustees who 
   is not an employee of the Company or an Affiliate and who qualifies both 
   as a "non-employee director" as that term is used in Rule 16b-3 and as an 
   "outside director" as that term is used in applicable IRS regulations 
   promulgated under Code Section 162(m). 

                                      26 
<PAGE>

       (o) "Non-qualified Stock Option" means an Option granted under the Plan 
   which is not intended to qualify, or otherwise does not qualify, as an 
   "incentive stock option" within the meaning of Section 422(b) of the Code. 
       (p) "Option" means either an ISO or a Non-qualified Stock Option 
   granted under the Plan. 
       (q) "Optionee" means a person to whom an Option has been granted under 
   the Plan, which Option has not been exercised and has not expired or 
   terminated. 
       (r) "Option Document" means the document described in Section 8 or 
   Section 9 of the Plan, as applicable, which sets forth the terms and 
   conditions of each grant of Options. 
       (s) "Option Price" means the price at which Shares may be purchased 
   upon exercise of an Option, as calculated pursuant to Subsection 8(b) or 
   Subsection 9(a) of the Plan. 
       (t) "Restricted Share" means a Share subject to conditions of 
   forfeiture and transfer granted to any person pursuant to an Award under 
   the Plan. 
       (u) "Retirement" shall mean a termination of an Optionee's employment 
   or services for the Company or an Affiliate at any time after such 
   Optionee has reached age 65. 
       (v) "Rule 16b-3" means Rule 16b-3 promulgated under the Securities 
   Exchange Act of 1934, as amended, or any successor rule. 
       (w) "Section 16 Officer" means any person who is an "officer" within 
   the meaning of Rule 16a-1(f) promulgated under the Securities Exchange Act 
   of 1934, as amended, or any successor rule. 
       (x) "Shares" means the shares of beneficial interest, $.01 par value 
   per share, of the Company. 
       (y) "Trustee" means a member of the Board of Trustees. 

   3. Administration of the Plan. The Plan shall be administered by the Board 
of Trustees of the Company if all members of the Board of Trustees are 
Non-employee Trustees; provided, however, that the Board of Trustees may 
designate a committee or committee(s) of the Board of Trustees composed of 
two or more of its Trustees to administer the Plan in its stead. If any 
member of the Board of Trustees is not a Non-employee Trustee, the Board of 
Trustees shall (i) designate a committee composed of two or more Trustees, 
each of whom is a Non-employee Trustee (the "Non-employee Trustee 
Committee"), to operate and administer the Plan in its stead, (ii) designate 
two committees to operate and administer the Plan in its stead, one of such 
committees composed of two or more of its Non-employee Trustees (the 
"Non-employee Trustee Committee") to operate and administer the Plan with 
respect to the Company's Section 16 Officers and the Trustees who are not 
members of the Non-employee Trustee Committee, and another committee composed 
of two or more Trustees (which may include Trustees who are not Non-employee 
Trustees) to operate and administer the Plan with respect to persons other 
than Section 16 Officers or Trustees or (iii) designate only one committee 
composed of two or more Non-employee Trustees (the "Non-employee Trustee 
Committee") to operate and administer the Plan with respect to the Company's 
Section 16 Officers and Trustees (other than those Trustees serving on the 
Non-employee Trustee Committee) and itself operate and administer the Plan 
with respect to persons other than Section 16 Officers or Trustees. Any of 
such committees designated by the Board of Trustees, and the Board of 
Trustees itself in its administrative capacity with respect to the Plan, is 
referred to as the "Committee." With the exception of the timing of grants of 
Options, the price at which Shares may be purchased, and the number of Shares 
covered by Options granted to each member of the Non-employee Trustee 
Committee, all of which shall be as specifically set forth in Section 9, the 
other provisions set forth herein, as it pertains to members of the 
Non-employee Trustee Committee, shall be administered by the Board of 
Trustees. 

       (a) Meetings. The Committee shall hold meetings at such times and 
   places as it may determine. Acts approved at a meeting by a majority of 
   the members of the Committee or acts approved in writing by the unanimous 
   consent of the members of the Committee shall be the valid acts of the 
   Committee. 
       (b) Grants and Awards. Except with respect to Options granted under 
   Subsection 8(j) and to Non-employee Trustee Committee Members pursuant to 
   Section 9, the Committee shall from time to time 

                                      27 
<PAGE>

   at its discretion direct the Company to grant Options and Awards pursuant 
   to the terms of the Plan. The Committee shall have plenary authority to 
   (i) determine the persons to whom, and the times at which Options and 
   Awards are to be granted as well as the terms applicable to Options and 
   Awards, (ii) determine the type of Option to be granted and the number of 
   Shares subject thereto, (iii) determine the Awardees to whom, and the 
   times at which, Restricted Shares are granted, the number of Shares 
   awarded, and the purchase price per Share, if any, and (iv) approve the 
   form and terms and conditions of the Option Documents and Award 
   Agreements; all subject, however, to the express provisions of the Plan. 
   In making such determinations, the Committee may take into account the 
   nature of the Grantee's services and responsibilities, the Grantee's 
   present and potential contribution to the Company's success and such other 
   factors as it may deem relevant. Notwithstanding the foregoing, grants of 
   Options to Non-employee Trustee Committee Members shall be made 
   exclusively in accordance with Section 9 and such other provisions of the 
   Plan that specifically apply to such Options. The interpretation and 
   construction by the Committee of any provisions of the Plan or of any 
   Option or Award granted under it shall be final, binding and conclusive. 
       (c) Exculpation. No member of the Committee shall be personally liable 
   for monetary damages as such for any action taken or any failure to take 
   any action in connection with the administration of the Plan or the 
   granting of Options or Awards thereunder unless (i) the member of the 
   Committee has breached or failed to perform the duties of his office under 
   applicable law and (ii) the breach or failure to perform constitutes 
   self-dealing, willful misconduct or recklessness; provided, however, that 
   the provisions of this Subsection 3(c) shall not apply to the 
   responsibility or liability of a member of the Committee pursuant to any 
   criminal statute or to the liability of a member of the Committee for the 
   payment of taxes pursuant to local, state or federal law. 
       (d) Indemnification. Service on the Committee shall constitute service 
   as a member of the Board of Trustees. Each member of the Committee shall 
   be entitled without further act on his part to indemnity from the Company 
   to the fullest extent provided by applicable law and the Company's 
   Declaration of Trust and/or By-laws in connection with or arising out of 
   any action, suit or proceeding with respect to the administration of the 
   Plan or the granting of Options or Awards thereunder in which he or she 
   may be involved by reason of his or her being or having been a member of 
   the Committee, whether or not he or she continues to be such member of the 
   Committee at the time of the action, suit or proceeding. 

   4. Grants and Awards under the Plan. Options under the Plan may be in the 
form of a Non-qualified Stock Option, an ISO, or Awards of Restricted Shares, 
or any combination thereof, at the discretion of the Committee. 

   5. Eligibility. All key employees, consultants and advisors of the Company 
or an Affiliate and members of the Board of Trustees shall be eligible to 
receive Options and Awards hereunder. The Committee, in its sole discretion, 
shall determine whether an individual qualifies as a key employee. 
Notwithstanding anything to the contrary contained herein, consultants and 
advisors shall only be eligible to receive Options or Awards provided bona 
fide services shall be rendered by such persons, and such services are not in 
connection with a capital raising transaction. 

   6. Shares Subject to Plan. The aggregate maximum number of Shares for 
which Options or Awards may be granted pursuant to the Plan (including Shares 
for which Options or Awards were granted under the Plan prior to this 
restatement) is four million thirty-three thousand five hundred thirty-five 
(4,033,535), subject to adjustment as provided in Section 11 of the Plan. The 
Shares shall be issued from authorized and unissued Shares or Shares held in 
or hereafter acquired for the treasury of the Company. If an Option 
terminates or expires without having been fully exercised for any reason, or 
if Shares granted pursuant to an Award have been conveyed back to the Company 
pursuant to the terms of an Award Agreement, the Shares for which the Option 
was not exercised or the Shares that were conveyed back to the Company may 
again be the subject of one or more Options or Awards granted pursuant to the 
Plan. 

   7. Term of the Plan. The amended and restated Plan is effective as of 
February 26, 1997, the date of its adoption by the Board of Trustees (the 
"Approval Date"), subject to the approval of the amended and restated Plan 
within twelve months of the Approval Date by a majority of the votes cast at 
a duly called meeting of 

                                      28 
<PAGE>

the shareholders at which a quorum representing a majority of all outstanding 
voting interests of the Company is, either in person or by proxy, present and 
voting, or by a method and in a degree that would be treated as adequate 
under applicable state law in the case of an action requiring shareholder 
approval. No Option or Award may be granted under the Plan ten years after 
the Approval Date. If the Plan is not approved by shareholder vote as 
described above, all Options and Awards granted under the Plan as amended and 
restated that could not have been granted under the Plan as in effect without 
regard to this Amended and Restated Plan shall be null and void. 

   8. Option Documents and Terms. Each Option granted under the Plan shall be 
a Non-qualified Stock Option unless the Option shall be specifically 
designated at the time of grant to be an ISO for federal income tax purposes. 
To the extent any Option designated an ISO is determined for any reason not 
to qualify as an incentive stock option within the meaning of Section 422 of 
the Code, such Option shall be treated as a Non- qualified Stock Option for 
all purposes under the provisions of the Plan. Options granted pursuant to 
the Plan shall be evidenced by the Option Documents in such form as the 
Committee shall from time to time approve, which Option Documents shall 
comply with and be subject to the following terms and conditions and such 
other terms and conditions as the Committee shall from time to time require 
which are not inconsistent with the terms of the Plan. However, the 
provisions of this Section 8 shall not be applicable to Options granted to 
non-employee members of the Board of Trustees, except as otherwise provided 
in Subsection 9(c). 

       (a) Number of Option Shares. Each Option Document shall state the 
   number of Shares to which it pertains. An Optionee may receive more than 
   one Option, which may include Options which are intended to be ISO's and 
   Options which are not intended to be ISO's, but only on the terms and 
   subject to the conditions and restrictions of the Plan. Notwithstanding 
   anything to the contrary contained herein, no employee shall be granted 
   Options to acquire more than two hundred fifty thousand (250,000) Shares 
   during any calendar year. 
       (b) Option Price. Each Option Document shall state the Option Price 
   which, for a Non-qualified Stock Option, may be less than, equal to, or 
   greater than the Fair Market Value of the Shares on the date the Option is 
   granted and, for an ISO, shall be at least 100% of the Fair Market Value 
   of the Shares on the date the Option is granted as determined by the 
   Committee in accordance with this Subsection 8(b); provided, however, that 
   if an ISO is granted to an Optionee who then owns, directly or by 
   attribution under Section 424(d) of the Code, interests in the Company or 
   any parent or subsidiary corporation possessing more than ten percent of 
   the total combined voting power of all classes of interests of the Company 
   or such parent or subsidiary, then the Option Price shall be at least 110% 
   of the Fair Market Value of the Shares on the date the Option is granted. 
   If the Shares are traded in a public market, then the Fair Market Value 
   per Share shall be, if the Shares are listed on a national securities 
   exchange or included in the NASDAQ National Market System, the last 
   reported sale price thereof on the relevant date, or, if the Shares are 
   not so listed or included (or if there was no reported sale on the 
   relevant date), the mean between the last reported "bid" and "asked" 
   prices thereof on the relevant date, as reported on NASDAQ or by the 
   exchange, as applicable, or, if not so reported, as reported by the 
   National Daily Quotation Bureau, Inc. or as reported in a customary 
   financial reporting service, as applicable, or, in the event such method 
   of determination of fair market value is determined to be inaccurate or 
   such information as is needed for such determination as set forth above is 
   not available, as the Committee determines in good faith. 
       (c) Exercise. No Option shall be deemed to have been exercised prior to 
   the receipt by the Company of written notice of such exercise and of 
   payment in full of the Option Price for the Shares to be purchased. Each 
   such notice shall specify the number of Shares to be purchased and shall 
   (unless the Shares are covered by a then current registration statement or 
   qualified Offering Statement under Regulation A under the Securities Act 
   of 1933, as amended (the "Act"), contain the Optionee's acknowledgment in 
   form and substance satisfactory to the Company that (a) such Shares are 
   being purchased for investment and not for distribution or resale (other 
   than a distribution or resale which, in the opinion of counsel 
   satisfactory to the Company, may be made without violating the 
   registration provisions of the Act), (b) the Optionee has been advised and 
   understands that (i) the Shares have not been registered under the Act and 
   are "restricted securities" within the meaning of Rule 144 under the 

                                      29 
<PAGE>

   Act and are subject to restrictions on transfer and (ii) the Company is 
   under no obligation to register the Shares under the Act or to take any 
   action which would make available to the Optionee any exemption from such 
   registration, (c) such Shares may not be transferred without compliance 
   with all applicable federal and state securities laws, and (d) an 
   appropriate legend referring to the foregoing restrictions on transfer and 
   any other restrictions imposed under the Option Documents may be endorsed 
   on the certificates. Notwithstanding the foregoing, if the Company 
   determines that issuance of Shares should be delayed pending (A) 
   registration under federal or state securities laws, (B) the receipt of an 
   opinion of counsel satisfactory to the Company that an appropriate 
   exemption from such registration is available, (C) the listing or 
   inclusion of the Shares on any securities exchange or an automated 
   quotation system or (D) the consent or approval of any governmental 
   regulatory body whose consent or approval is deemed necessary in 
   connection with the issuance of such Shares, the Company may defer 
   exercise of any Option granted hereunder until any of the events described 
   in this sentence has occurred. 
       (d) Medium of Payment. An Optionee shall pay for Shares (i) in cash, 
   (ii) by certified or cashier's check payable to the order of the Company, 
   or (iii) by such other mode of payment as the Committee may approve, 
   including payment through a broker in accordance with procedures permitted 
   by Regulation T of the Federal Reserve Board. Furthermore, the Committee 
   may provide in an Option Document that payment may be made in whole or in 
   part in Shares held by the Optionee. If payment is made in whole or in 
   part in Shares, then the Optionee shall deliver to the Company 
   certificates registered in the name of such Optionee representing the 
   Shares owned by such Optionee, free of all liens, claims and encumbrances 
   of every kind and having an aggregate Fair Market Value on the date of 
   delivery that is at least as great as the Option Price of the Shares (or 
   relevant portion thereof) with respect to which such Option is to be 
   exercised by the payment in Shares, endorsed in blank or accompanied by 
   stock powers duly endorsed in blank by the Optionee. In the event that 
   certificates for Shares delivered to the Company represent a number of 
   Shares in excess of the number of Shares required to make payment for the 
   Option Price of the Shares (or relevant portion thereof) with respect to 
   which such Option is to be exercised by payment in Shares, the certificate 
   or certificates issued to the Optionee shall represent (i) the Shares in 
   respect of which payment is made, and (ii) such excess number of Shares. 
   Notwithstanding the foregoing, the Committee may impose from time to time 
   such limitations and prohibitions on the use of Shares to exercise an 
   Option as it deems appropriate. 
       (e) Termination of Options. 
         (i) No Option shall be exercisable after the first to occur of the 
   following: 
            (A) Expiration of the Option term specified in the Option 
          Document, which, in the case of an ISO, shall not occur after (1) 
          ten years from the date of grant, or (2) five years from the date 
          of grant of an ISO if the Optionee on the date of grant owns, 
          directly or by attribution under Section 424(d) of the Code, 
          interests in the Company or any parent or subsidiary corporation 
          possessing more than ten percent (10%) of the total combined voting 
          power of all classes of interests of the Company or such parent or 
          subsidiary; 
            (B) The third month anniversary of the date of termination of the 
          Optionee's services or employment with the Company or an Affiliate 
          for any reason other than death, Disability or Retirement. 
            (C) A finding by the Committee, after full consideration of the 
          facts presented on behalf of both the Company and the Optionee, 
          that the Optionee has breached his or her employment or service 
          contract with the Company or an Affiliate, or has been engaged in 
          disloyalty to the Company or an Affiliate, including, without 
          limitation, fraud, embezzlement, theft, commission of a felony or 
          proven dishonesty in the course of his or her employment or 
          service, or has disclosed trade secrets or confidential information 
          of the Company or an Affiliate. In such event, in addition to 
          immediate termination of the Option, the Optionee shall 
          automatically forfeit all Shares for which the Company has not yet 
          delivered the Share certificates upon refund by the Company of the 
          Option Price. Notwithstanding anything herein to the contrary, the 
          Company may withhold delivery of Share certificates pending the 
          resolution of any inquiry that could lead to a finding resulting in 
          a forfeiture; 

                                      30 
<PAGE>

            (D) The date, if any, set by the Board of Trustees as an 
          accelerated expiration date in the event of the liquidation or 
          dissolution of the Company; or 
            (E) The occurrence of such other event or events as may be set 
          forth in the Option Document as causing an accelerated expiration 
          of the Option. 
         (ii) Notwithstanding the foregoing, the Committee may extend the 
       period during which all or any portion of an Option may be exercised to 
       a date no later than the Option term specified in the Option Document 
       pursuant to Subsection 8(e)(i)(A), provided that any change pursuant to 
       this Subsection 8(e)(ii) which would cause an ISO to become a 
       Non-qualified Stock Option may be made only with the consent of the 
       Optionee. 
         (iii) The terms of an executive severance agreement or other 
       agreement between the Company and an Optionee, approved by the 
       Committee, whether entered into prior or subsequent to the grant of an 
       Option, which provide for Option exercise dates later than those set 
       forth in Subsection 8(e)(i) but permitted by this Subsection 8(e)(ii) 
       shall be deemed to be Option terms approved by the Committee and 
       consented to by the Optionee. 
         (iv) Unless otherwise expressly permitted in the Option Document, no 
       Option granted pursuant to this Section 8 shall be exercisable 
       following the termination of the Optionee's services as a member of the 
       Board of Trustees or employment with the Company or any Affiliate with 
       respect to any Shares in excess of those which could have been acquired 
       by exercise of the Option on the date of such termination of services 
       or employment. 
       (f) Transfers. No Option granted under the Plan may be transferred, 
   except by will or by the laws of descent and distribution. During the 
   lifetime of the person to whom an Option is granted, such Option may be 
   exercised only by such person. Notwithstanding the foregoing, (1) a 
   Non-qualified Stock Option may be transferred pursuant to the terms of a 
   "qualified domestic relations order," within the meaning of Sections 
   401(a)(13) and 414(p) of the Code or within the meaning of Title I of the 
   Employee Retirement Income Security Act of 1974, as amended, and (2) the 
   Committee may provide, in an Option Document, that an Optionee may 
   transfer Options to his or her children, grandchildren or spouse or to one 
   or more trusts for the benefit of such family members or to partnerships 
   in which such family members are the only partners (a "Family Transfer"), 
   provided that the Optionee receives no consideration for such Family 
   Transfer and the Option Documents relating to Options transferred in such 
   Family Transfer continue to be subject to the same terms and conditions 
   that were applicable to such Options immediately prior to the Family 
   Transfer. 
       (g) Limitation on ISO Grants. In no event shall the aggregate Fair 
   Market Value of the Shares with respect to which ISOs issued under the 
   Plan and incentive stock options issued under any other incentive stock 
   option plans of the Company or its Affiliates which are exercisable for 
   the first time by the Optionee during any calendar year exceed $100,000. 
   Any ISOs issued in excess of this limitation shall be treated as 
   Non-qualified Stock Options issued under the Plan. For purposes of this 
   subsection 8(g), the Fair Market Value of Shares shall be determined as of 
   the date of grant of the ISO or other incentive stock option. 
       (h) Other Provisions. Subject to the provisions of the Plan, the Option 
   Documents shall contain such other provisions including, without 
   limitation, provisions authorizing the Committee to accelerate the 
   exercisability of all or any portion of an Option granted pursuant to the 
   Plan, additional restrictions upon the exercise of the Option or 
   additional limitations upon the term of the Option, as the Committee shall 
   deem advisable. 
       (i) Amendment. Subject to the provisions of the Plan, the Committee 
   shall have the right to amend Option Documents issued to an Optionee, 
   subject to the Optionee's consent if such amendment is not favorable to 
   the Optionee, except that the consent of the Optionee shall not be 
   required for any amendment made pursuant to Subsection 8(e)(i)(C) or 
   Section 10 of the Plan, as applicable. 
       (j) No Options shall be granted under the Plan if, taking into account 
   the grant of such options, five or fewer individuals would own more than 
   50% of the outstanding Shares, as computed for purposes of Code Section 
   856(h). 

                                      31 
<PAGE>

   9. Special Provisions Relating to Grants of Options to Non-employee 
Members of the Board of Trustees. Options granted pursuant to the Plan to 
non-employee members of the Board of Trustees shall be granted, without any 
further action by the Committee, in accordance with the terms and conditions 
set forth in this Section 9. Options granted pursuant to this Section 9 shall 
be evidenced by Option Documents in such form as the Committee shall from 
time to time approve, which Option Documents shall comply with and be subject 
to the following terms and conditions and such other terms and conditions as 
the Committee shall from time to time require which are not inconsistent with 
the terms of the Plan and would not cause a Non-employee Trustee to lose his 
or her status as a "non-employee director" (as that term is used for purposes 
of Rule 16b-3) due to the grant of Options to such person pursuant to this 
Section 9. 

       (a) Timing of Grants; Number of Shares Subject of Options; 
   Exercisability of Options; Option Price. Each non-employee member of the 
   Board of Trustees shall be granted annually, commencing on the date of the 
   initial public offering of Shares, and on each anniversary of such date 
   thereafter, an Option to purchase five thousand (5,000) Shares provided 
   such person is a member of the Board of Trustees on such grant date. Each 
   such Option shall be a Non-qualified Stock Option exercisable with respect 
   to twenty percent (20%) of the Shares subject to such Option after the 
   first anniversary of the date of grant, exercisable with respect to fifty 
   percent (50%) of the Shares after the second anniversary of the date of 
   grant, and fully exercisable after the third anniversary of the date of 
   grant. The Option Price shall be equal to the Fair Market Value of the 
   Shares on the date the Option is granted. 
       (b) Termination of Options Granted Pursuant to Section 9. No Option 
   granted pursuant to this Section 9 shall be exercisable after the first to 
   occur of the following: 
          (i) The tenth anniversary of the date of grant. 
          (ii) The third month anniversary of the date of termination of the 
       Optionee's services as a member of the Board of Trustees for any reason 
       other than death, Disability or Retirement. 
   
   Notwithstanding anything to the contrary contained herein, no Option granted
pursuant to this Section 9 shall be exercisable following the termination of the
Optionee's services as a member of the Board of Trustees with respect to any
Shares in excess of those which could have been acquired by exercise of the
Option on the date of such termination of services. (c) Applicability of Section
8 to Options Granted Pursuant to Section 9. The following provisions of Section
8 shall be applicable to Options granted pursuant to this Section 9: Subsection
8(a) (provided that all Options granted pursuant to this Section 9 shall be
Non-qualified Stock Options); the last sentence of Subsection 8(b); Subsection
8(c); Subsection 8(d) (provided that Option Documents relating to Options
granted pursuant to this Section 9 shall provide that payment may be made in
whole or in part in Shares); and Subsection 8(f) (provided that Option Documents
relating to Options granted pursuant to this Section 9 shall not permit Family
Transfers).
    

   10. Change of Control. In the event of a Change of Control, the Committee 
may take whatever action it deems necessary or desirable with respect to the 
Options and Awards outstanding (other than Options granted pursuant to 
Subsection 8(j) and Section 9), including, without limitation, accelerating 
the expiration or termination date in the respective Option Documents to a 
date no earlier than thirty (30) days after notice of such acceleration is 
given to the Optionees. In addition to the foregoing, in the event of a 
Change of Control, Options granted pursuant to the Plan and held by Optionees 
who are employees of the Company or an Affiliate or members of the Board of 
Trustees at the time of a Change of Control shall become immediately 
exercisable in full and the restrictions applicable to Restricted Shares 
awarded to Awardees who are employees of the Company or an Affiliate or 
members of the Board of Trustees at the time of a Change of Control shall 
immediately lapse. Any amendment to this Section 10 which diminishes the 
rights of Optionees, shall not be effective with respect to Options 
outstanding at the time of adoption of such amendment, whether or not such 
outstanding Options are then exercisable. 

   A "Change of Control" shall be deemed to have occurred upon the earliest 
to occur of the following events: (i) the date the shareholders of the 
Company (or the Board of Trustees, if shareholder action is not required) 
approve a plan or other arrangement pursuant to which the Company will be 
dissolved or liquidated, or (ii) the date the shareholders of the Company (or 
the Board of Trustees, if shareholder action is not 

                                      32 
<PAGE>

required) approve a definitive agreement to sell or otherwise dispose of 
substantially all of the assets of the Company, or (iii) the date the 
shareholders of the Company (or the Board of Trustees, if shareholder action 
is not required) and the shareholders of the other constituent corporation or 
entity (or its board of directors or trustees if shareholder action is not 
required) have approved a definitive agreement to merge or consolidate the 
Company with or into such other corporation or other entity, other than, in 
either case, a merger or consolidation of the Company in which holders of 
Shares immediately prior to the merger or consolidation will have at least a 
majority of the ownership of interests of the surviving corporation or entity 
(and, if one class of common stock or other equity interest is not the only 
class of voting securities entitled to vote on the election of directors or 
trustees of the surviving entity, a majority of the voting power of the 
surviving entity's voting securities) immediately after the merger or 
consolidation, which equity interest (and, if applicable, voting securities) 
is to be held in the same proportion as such holders' ownership of Shares 
immediately before the merger or consolidation, or (iv) the first day, after 
the date this Plan is effective on which there has occurred a change in the 
majority of the positions on the Board of Trustees or if any person (or any 
group of associated persons acting in concert) acquires, directly or 
indirectly, more than a percentage of the voting stock of the Trust in excess 
of that held by the "Senior Executives" (as defined in the Registration 
Statement) in the aggregate as of the date of the closing of the initial 
public offering of the Common Shares, in either case without the advance 
written consent of the current Board of Trustees. 

   11. Adjustments on Changes in Capitalization. 

       (a) Corporate Transactions. In the event that the outstanding Shares 
   are changed by reason of a reorganization, merger, consolidation, 
   recapitalization, reclassification, stock split-up, combination or 
   exchange of shares and the like (not including the issuance of Shares on 
   the conversion of other securities of the Company which are outstanding on 
   the date of grant and which are convertible into Shares) or dividends 
   payable in Shares, an equitable adjustment shall be made by the Committee 
   in the aggregate number of Shares available under the Plan and in the 
   number of Shares and price per Share subject to outstanding Options. 
   Unless the Committee makes other provisions for the equitable settlement 
   of outstanding options, if the Company shall be reorganized, consolidated, 
   or merged with another corporation, or if all or substantially all of the 
   assets of the Company shall be sold or exchanged, an Optionee shall at the 
   time of issuance of the Shares under such corporate event be entitled to 
   receive upon the exercise of his or her Option the same number and kind of 
   shares or the same amount of property, cash or securities as he or she 
   would have been entitled to receive upon the occurrence of any such 
   corporate event as if he or she had been, immediately prior to such event, 
   the holder of the number of shares covered by his or her Option. 
       (b) Proportionate Application. Any adjustment under this Section 11 in 
   the number of Shares subject to Options shall apply proportionately to 
   only the unexercised portion of any Option granted hereunder. If fractions 
   of a Share would result from any such adjustment, the adjustment shall be 
   revised to the next lower whole number of Shares. 
       (c) Committee Authority. The Committee shall have authority to 
   determine the adjustments to be made under this Section, and any such 
   determination by the Committee shall be final, binding and conclusive. 

   12. Terms and Conditions of Awards. Awards granted pursuant to the Plan 
shall be evidenced by written Award Agreements in such form as the Committee 
shall from time to time approve, which Award Agreements shall comply with and 
be subject to the following terms and conditions and such other terms and 
conditions which the Committee shall from time to time require which are not 
inconsistent with the terms of the Plan. The Committee may, in its sole 
discretion, shorten or waive any term or condition with respect to all or any 
portion of any Award. Notwithstanding the foregoing, all restrictions shall 
lapse or terminate with respect to Restricted Shares upon the death or 
Disability of the Awardee. 

       (a) Number of Shares. Each Award Agreement shall state the number of 
   Shares to which it pertains. 
       (b) Purchase Price. Each Award Agreement shall specify the purchase 
   price, if any, which applies to the Award. If the Board of Trustees 
   specifies a purchase price, the Awardee shall be required to make payment 
   on or before the date specified in the Award Agreement. An Awardee shall 
   pay for such Shares (i) in cash, (ii) by certified check payable to the 
   order of the Company, or (iii) by such other mode of payment as the 
   Committee may approve. 

                                      33 
<PAGE>

       (c) Restrictions on Transfer and Forfeitures. A share certificate 
   representing the Restricted Shares granted to an Awardee shall be 
   registered in the Awardee's name but shall be held in escrow by the 
   Company or an appropriate officer of the Company, together with an undated 
   share transfer power executed by the Awardee with respect to each share 
   certificate representing Restricted Shares in such Awardee's name. The 
   Awardee shall generally have the rights and privileges of a shareholder as 
   to such Restricted Shares including the right to vote such Restricted 
   Shares and to receive and retain all cash dividends with respect to such 
   Shares, except that the following restrictions shall apply: (i) the 
   Awardee shall not be entitled to delivery of the certificate until the 
   expiration or termination of any period designated by the Committee 
   ("Restricted Period") and the satisfaction of any other conditions 
   prescribed by the Committee; and (ii) all distributions with respect to 
   the Restricted Shares other than cash dividends, such as share dividends, 
   share splits or distributions of property, and any distributions (other 
   than cash dividends) subsequently made with respect to other 
   distributions, shall be delivered to the Company or an appropriate officer 
   of the Company, together with appropriate share transfer powers or other 
   instruments of transfer signed and delivered to the Company or appropriate 
   officer of the Company by the Awardee, to be held by the Company or 
   appropriate officer of the Company and released to either the Awardee or 
   the Company, as the case may be, together with the Shares to which they 
   relate; (iii) the Awardee will have no right to sell, exchange, transfer, 
   pledge, hypothecate or otherwise dispose of any of the Restricted Shares 
   or distributions (other than cash dividends) with respect thereto; and 
   (iv) all of the Restricted Shares shall be forfeited and all rights of the 
   Awardee with respect to such Restricted Shares shall terminate without 
   further obligation on the part of the Company unless the Awardee has 
   remained a regular full-time employee of the Company or an Affiliate, any 
   of its subsidiaries or any parent or any combination thereof until the 
   expiration or termination of the Restricted Period and the satisfaction of 
   any other conditions prescribed by the Committee applicable to such 
   Restricted Share. Upon the forfeiture of any Restricted Share, such 
   forfeited shares shall be transferred to the Company without further 
   action by the Awardee. 
       (d) Lapse of Restrictions. Upon the expiration or termination of the 
   Restricted Period and the satisfaction of any other conditions prescribed 
   by the Committee as provided for in the Plan, the restrictions applicable 
   to the Restricted Share shall lapse and a stock certificate for the number 
   of shares of Common Stock with respect to which the restrictions have 
   lapsed shall be delivered, free of all such restrictions, except any that 
   may be imposed by law, to the Awardee or the beneficiary or estate, as the 
   case may be. The Company shall not be required to deliver any fractional 
   share of Common Stock but will pay, in lieu thereof, the fair market value 
   (determined as of the date the restrictions lapse) of such fractional 
   share to the Awardee or the Awardee's beneficiary or estate, as the case 
   may be. The Award may provide for the lapse of restrictions on transfer 
   and forfeiture conditions in installments. Notwithstanding the foregoing, 
   unless the Shares are covered by a then current registration statement or 
   a Notification under Regulation A under the Act, the Company may require 
   as a condition to the transfer of Share certificates to an Awardee under 
   this Subsection 12(d) that the Awardee provide the Company with an 
   acknowledgment in form and substance satisfactory to the Company that (a) 
   such Shares are being purchased for investment and not for distribution or 
   resale (other than a distribution or resale which, in the opinion of 
   counsel satisfactory to the Company, may be made without violating the 
   registration provisions of the Act), (b) the Optionee has been advised and 
   understands that (i) the Shares have not been registered under the Act and 
   are "restricted securities" within the meaning of Rule 144 under the Act 
   and are subject to restrictions on transfer and (ii) the Company is under 
   no obligation to register the Shares under the Act or to take any action 
   which would make available to the Optionee any exemption from such 
   registration, (c) such Shares may not be transferred without compliance 
   with all applicable federal and state securities laws, and (d) an 
   appropriate legend referring to the foregoing restrictions on transfer may 
   be endorsed on the certificates. Notwithstanding the foregoing, if the 
   Company determines that the transfer of Share certificates should be 
   delayed pending (A) registration under federal or state securities laws, 
   (B) the receipt of an opinion of counsel satisfactory to the Company that 
   an appropriate exemption from such registration is available, (C) the 
   listing or inclusion of the Shares on any securities exchange or an 
   automated quotation system or (D) the consent or approval of any 
   governmental regulatory body whose consent or approval is necessary in 
   connection with the issuance of such Shares, the Company may defer 
   transfer of Share certificates hereunder until any of the events described 
   in this sentence has occurred. 

                                      34 
<PAGE>

       (e) Section 83(b) Election. An Awardee who files an election with the 
   Internal Revenue Service to include the fair market value of any 
   Restricted Share in gross income while they are still subject to 
   restrictions shall promptly furnish the Company with a copy of such 
   election together with the amount of any federal, state, local or other 
   taxes required to be withheld to enable the Company to claim an income tax 
   deduction with respect to such election. 
       (f) Rights as Shareholder. Upon payment of the purchase price, if any, 
   for Shares covered by an Award and compliance with the acknowledgment 
   requirement of subsection 12(d), the Grantee shall have all of the rights 
   of a shareholder with respect to the Shares covered thereby, including the 
   right to vote the Shares and receive all dividends and other distributions 
   paid or made with respect thereto, except to the extent otherwise provided 
   by the Committee or in the Award Agreement. 
       (g) Amendment. Subject to the provisions of the Plan, the Committee 
   shall have the right to amend Awards issued to an Awardee, subject to the 
   Awardee's consent if such amendment is not favorable to the Awardee, 
   except that the consent of the Awardee shall not be required for any 
   amendment made pursuant to Section 10 of the Plan. 

   13. Amendment of the Plan. The Board of Trustees of the Company may amend 
the Plan from time to time in such manner as it may deem advisable. 
Nevertheless, the Board of Trustees of the Company may not change the class 
of individuals eligible to receive an ISO or increase the maximum number of 
Shares as to which Options or Awards may be granted without obtaining 
approval, within twelve months before or after such action, by vote of a 
majority of the votes cast at a duly called meeting of the shareholders at 
which a quorum representing a majority of all outstanding voting interests of 
the Company is, either in person or by proxy, present and voting on the 
matter, or by a method and in a degree that would be treated as adequate 
under applicable state law in the case of an action requiring shareholder 
approval. No amendment to the Plan shall adversely affect any outstanding 
Option or Award, however, without the consent of the Grantee. 

   14. No Commitment to Retain. The grant of an Option or an Award pursuant 
to the Plan shall not be construed to imply or to constitute evidence of any 
agreement, express or implied, on the part of the Company or any Affiliate to 
retain the Grantee in the employ of the Company or an Affiliate and/or as a 
member of the Company's Board of Trustees or in any other capacity. 

   15. Withholding of Taxes. Whenever the Company proposes or is required to 
deliver or transfer Shares in connection with an Award or the exercise of an 
Option, the Company shall have the right to (a) require the recipient to 
remit or otherwise make available to the Company an amount sufficient to 
satisfy any federal, state and/or local withholding tax requirements prior to 
the delivery or transfer of any certificate or certificates for such Shares 
or (b) take whatever other action it deems necessary to protect its interests 
with respect to its tax liabilities. The Company's obligation to make any 
delivery or transfer of Shares shall be conditioned on the Grantee's 
compliance, to the Company's satisfaction, with any withholding requirement. 

   16. Interpretation. The Plan is intended to enable transactions under the 
Plan with respect to Trustees and officers (within the meaning of Section 
16(a) under the Securities Exchange Act of 1934, as amended) to satisfy the 
conditions of Rule 16b-3; to the extent that any provision of the Plan would 
cause a conflict with such conditions or would cause the administration of 
the Plan as provided in Section 3 to fail to satisfy the conditions of Rule 
16b-3, such provision shall be deemed null and void to the extent permitted 
by applicable law. This section shall not be applicable if no class of the 
Company's equity securities is then registered pursuant to Section 12 of the 
Securities Exchange Act of 1934, as amended. 

                                      35
 
<PAGE>
   

P                           LIBERTY PROPERTY TRUST 
R                       GREAT VALLEY CORPORATE CENTER 
O                          65 VALLEY STREAM PARKWAY 
X                                 SUITE 100 
Y                        MALVERN, PENNSYLVANIA 19355 
          
          THIS PROXY IS SOLICITED ON BEHALF OF THE BOARD OF TRUSTEES 

   The undersigned shareholder of LIBERTY PROPERTY TRUST (the "Trust") hereby 
appoints Willard G. Rouse III and Joseph P. Denny, and each of them acting 
individually, as the attorney and proxy of the undersigned, with the powers 
the undersigned would possess if personally present, and with full power of 
substitution, to vote all shares of beneficial interest of the Trust at the 
annual meeting of shareholders of the Trust to be held on Wednesday, May 21, 
1997 at 9:00 a.m., local time, at the Wyndham Franklin Plaza, Horizons 
Ballroom, 17th and Race Streets, Philadelphia, Pennsylvania 19103, and any 
adjournment or postponement thereof, upon all subjects that may properly come 
before the meeting, including the matters described in the proxy statement 
furnished herewith, subject to any directions indicated on the reverse side. 

                  CONTINUED AND TO BE SIGNED ON REVERSE SIDE 
                                 SEE REVERSE 
                                     SIDE 

[X]  PLEASE MARK VOTES AS IN THIS EXAMPLE.

This proxy when properly executed will be voted in the manner directed herein by
the undersigned shareholder(s). If no direction is made, this proxy will be
voted "FOR" all of the nominees of the Board of Trustees in the election of
trustees, "FOR" the amendments to the Declaration of Trust regarding the
reduction of the ownership limitation, "FOR" the amendment to the Declaration of
Trust regarding exemptions from the ownership limitation and "FOR" the amendment
of the Liberty Property Trust Amended and Restated Share Incentive Plan. This
proxy also delegates discretionary authority to the proxies to vote with respect
to any other business that may properly come before the meeting or any
adjournment or postponement thereof.

The Board of Trustees recommends a vote "FOR" all of the nominees of the Board
of Trustees in the election of trustees, "FOR" the amendments to the Declaration
of Trust regarding the reduction of the ownership limitation, "FOR" the
amendment to the Declaration of Trust regarding exemptions from the ownership
limitation and "FOR" the amendment of the Liberty Property Trust Amended and
Restated Share Incentive Plan.

1. Election of three Class III trustees to hold office until 2000. 

Nominees: 
Joseph P. Denny, 
David L. Lingerfelt            FOR          WITHHOLD
and John A. Miller,           [   ]          [   ]
CLU 
- ------------ 
FOR ALL NOMINEES, EXCEPT WITHHOLD FOR THOSE 
WHOSE NAMES ARE HAND WRITTEN IN THE SPACES ABOVE. 


2. Amendments to the Declaration of Trust regarding the reduction of the
   ownership limitation.
             FOR             AGAINST            ABSTAIN
            [   ]             [   ]              [   ]
3. Amendment to the Declaration of Trust regarding exemptions from the ownership
   limitation.
             FOR             AGAINST            ABSTAIN
            [   ]             [   ]              [   ]
4. Amendment of Liberty Property Trust Amended and Restated Share Incentive
   Plan.
             FOR             AGAINST            ABSTAIN
            [   ]             [   ]              [   ]
 
                MARK HERE FOR ADDRESS CHANGE AND NOTE AT LEFT |B|

The undersigned hereby acknowledges receipt of the notice of annual meeting, the
proxy statement furnished in connection therewith and the annual report to
shareholders and hereby ratifies all that the said attorneys and proxies may do
by virtue hereof. 

NOTE: Please mark, date and sign this proxy card and return it in the enclosed
envelope. Please sign as your name appears hereon. If shares are registered in
more than one name, all owners should sign. If signing in a fiduciary or
representative capacity, please give full title and attach evidence of
authority. Corporations please sign will full corporate name by a duly
authorized officer and affix corporate seal.

Signature:__________________________ Date:____________ 

Signature:__________________________ Date:____________ 
    
                                      36 


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