DUKE REALTY INVESTMENTS INC
DEF 14A, 1996-03-25
REAL ESTATE INVESTMENT TRUSTS
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<PAGE>
                            SCHEDULE 14A INFORMATION
 
                  Proxy Statement Pursuant to Section 14(a) of
            the Securities Exchange Act of 1934 (Amendment No.    )
 
    Filed by the Registrant /X/
    Filed by a Party other than the Registrant / /
 
    Check the appropriate box:
    / /  Preliminary Proxy Statement
    / /  Confidential, for Use of the Commission Only (as permitted by Rule
         14a-6(e)(2))
    /X/  Definitive Proxy Statement
    / /  Definitive Additional Materials
    / /  Soliciting  Material  Pursuant  to  Section  240.14a-11(c)  or  Section
         240.14a-12
 
                                 DUKE REALTY INVESTMENTS, INC.
- --------------------------------------------------------------------------------
                (Name of Registrant as Specified In Its Charter)
 
                                DUKE REALTY INVESTMENTS, INC.
- --------------------------------------------------------------------------------
    (Name of Person(s) Filing Proxy Statement, if other than the Registrant)
 
Payment of Filing Fee (Check the appropriate box):
 
/X/  $125 per  Exchange Act  Rules 0-11(c)(1)(ii),  14a-6(i)(1), 14a-6(i)(2)  or
     Item 22(a)(2) of Schedule 14A.
/ /  $500  per  each party  to  the controversy  pursuant  to Exchange  Act Rule
     14a-6(i)(3).
/ /  Fee  computed  on   table  below   per  Exchange   Act  Rules   14a-6(i)(4)
     and 0-11.
     1) Title of each class of securities to which transaction applies:
        ------------------------------------------------------------------------
     2) Aggregate number of securities to which transaction applies:
        ------------------------------------------------------------------------
     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):
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/ /  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:
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<PAGE>
                         DUKE REALTY INVESTMENTS, INC.
                             8888 KEYSTONE CROSSING
                                   SUITE 1200
                             INDIANAPOLIS, INDIANA
                                 (317) 574-3660
 
                    NOTICE OF ANNUAL MEETING OF SHAREHOLDERS
                           TO BE HELD APRIL 25, 1996
 
    The annual meeting of the shareholders of Duke Realty Investments, Inc. (the
"Company")  will be held at the Radisson Plaza Hotel, Plaza Ballroom D, Keystone
at the Crossing, Indianapolis, Indiana on April 25, 1996, at 10:00 a.m. EST,  to
consider and to take action on the following matters:
 
    1.  The election of three (3) Directors of the Company.
 
    2.   To consider and  act upon a proposal to  approve the 1995 Key Employees
       Stock Option Plan,  the 1995  Dividend Increase  Unit Plan  and the  1995
       Shareholder Value Plan.
 
    3.   To  consider and act  upon a  proposal to approve  the Directors' Stock
       Payment Plan.
 
    4.  The transaction of such other  business as may properly come before  the
       meeting and any adjournments thereof.
 
    Only  shareholders of record at  the close of business  on March 5, 1996 are
entitled to notice of and to vote at this meeting and any adjournments thereof.
 
                                          By order of the Board of Directors,
                                          [Signature]
                                          John R. Gaskin
                                          SECRETARY
 
Indianapolis, Indiana
March 25, 1996
 
WHETHER OR NOT YOU PLAN TO ATTEND THE MEETING IN PERSON, PLEASE MARK, DATE,  AND
SIGN  YOUR  PROXY,  AND  MAIL  IT IN  THE  STAMPED  ENVELOPE  ENCLOSED  FOR YOUR
CONVENIENCE. IN ORDER TO AVOID THE ADDITIONAL EXPENSE TO THE COMPANY OF  FURTHER
SOLICITATION,  WE ASK YOUR COOPERATION IN MAILING YOUR PROXY PROMPTLY. RETURNING
THE PROXY DOES NOT AFFECT  YOUR RIGHT TO VOTE IN  PERSON ON ALL MATTERS  BROUGHT
BEFORE THE MEETING.
<PAGE>
                         DUKE REALTY INVESTMENTS, INC.
                             8888 KEYSTONE CROSSING
                                   SUITE 1200
                             INDIANAPOLIS, INDIANA
                                 (317) 574-3660
 
                                                                  March 25, 1996
 
Dear Shareholder:
 
    The  directors  and officers  of Duke  Realty Investments,  Inc. join  me in
extending to  you a  cordial invitation  to  attend the  annual meeting  of  our
shareholders.  This meeting will be  held on Thursday, April  25, 1996, at 10:00
a.m., at the Radisson Plaza Hotel,  Plaza Ballroom D, Keystone at the  Crossing,
Indianapolis, Indiana.
 
    We  believe  that  both  the  shareholders  and  management  of  Duke Realty
Investments, Inc. can  gain much  through participation at  these meetings.  Our
objective  is to make them as informative and interesting as we can. We hope you
will plan to attend.
 
    The formal notice of this annual  meeting and the proxy statement appear  on
the  following pages. After reading the  proxy statement, please mark, sign, and
return the enclosed proxy card to ensure that your votes on the business matters
of the meeting will be recorded.
 
    We hope that you  will attend this  meeting. Whether or  not you attend,  we
urge  you to return your proxy promptly in the postpaid envelope provided. After
returning the proxy, you may, of course,  vote in person on all matters  brought
before the meeting.
 
    We look forward to seeing you on April 25.
 
                                          Sincerely,
 
                                          [Signature]
                                          John W. Wynne
                                          CHAIRMAN
<PAGE>
                         DUKE REALTY INVESTMENTS, INC.
                             8888 KEYSTONE CROSSING
                                   SUITE 1200
                             INDIANAPOLIS, INDIANA
                                 (317) 574-3660
 
                            PROXY STATEMENT FOR THE
                         ANNUAL MEETING OF SHAREHOLDERS
                           TO BE HELD APRIL 25, 1996
 
    The accompanying proxy is solicited by the Board of Directors of Duke Realty
Investments,  Inc. (the "Company") for use at the annual meeting of shareholders
to be held  April 25, 1996  and any adjournments  thereof. Only shareholders  of
record  as of the close of business on March 5, 1996 will be entitled to vote at
the annual meeting. When the proxy is properly executed and returned, the shares
it represents will  be voted at  the meeting in  accordance with any  directions
noted  on the proxy.  If no direction is  indicated, the proxy  will be voted in
favor of the proposals set forth in the notice attached to this proxy statement.
Any shareholder giving a proxy has the power to revoke it at any time before  it
is  voted. The approximate date of mailing  of this proxy statement is March 25,
1996.
 
                    VOTING SECURITIES AND BENEFICIAL OWNERS
 
    The Company has only  one class of stock  outstanding, its common stock,  of
which  24,152,979 shares ("Shares") were outstanding as of the close of business
on March 25, 1996.
 
    The following table shows, as of  March 25, 1996, the number and  percentage
of  Shares and interests ("Units") in  Duke Realty Limited Partnership ("DRLP"),
an affiliate of the Company, held by  (i) all directors and nominees, (ii)  each
person known to the Company who owned beneficially more than five percent of the
issued  and outstanding Shares, and (iii)  certain executive officers. Each Unit
is convertible into one Share at the  option of the holder. The total number  of
Shares  and Units (other than Units owned  by the Company) outstanding as of the
close of business on March 25, 1996 was 28,711,436.
 
<TABLE>
<CAPTION>
                                                                                           EFFECTIVE ECONOMIC
                             AMOUNT AND NATURE OF    PERCENT OF       PERCENT OF ALL          OWNERSHIP OF
     BENEFICIAL OWNER        BENEFICIAL OWNERSHIP   ALL SHARES(1)     SHARES/UNITS(2)     EXECUTIVE OFFICERS(3)
- ---------------------------  --------------------   -------------   -------------------   ---------------------
<S>                          <C>                    <C>             <C>                   <C>
Thomas L. Hefner                    2,073,779(4)         8.00%             7.22%                 886,963
Daniel C. Staton                    1,714,267(5)         6.71%             5.96%                 866,833
Darell E. Zink, Jr.                 2,086,508(6)         8.05%             7.26%                 860,971
John W. Wynne                       1,968,411(7)         7.65%             6.85%                 759,518
Geoffrey Button                           900             (12)              (12)                   N/A
Ngaire E. Cuneo                         4,100             (12)              (12)                   N/A
Howard L. Feinsand                      1,900             (12)              (12)                   N/A
John D. Peterson                       18,590(8)          (12)              (12)                   N/A
James E. Rogers                           900             (12)              (12)                   N/A
Lee Stanfield                           3,281             (12)              (12)                   N/A
Jay J. Strauss                          2,339             (12)              (12)                   N/A
FMR Corp.
82 Devonshire St.
Boston, MA (13)                     3,139,709           13.00%            10.94%                   N/A
Cohen & Steers Capital
Management, Inc.
757 Third Avenue
New York, NY (14)                   1,279,800            5.30%             4.46%                   N/A
</TABLE>
 
                                       1
<PAGE>
<TABLE>
<CAPTION>
                                                                                           EFFECTIVE ECONOMIC
                             AMOUNT AND NATURE OF    PERCENT OF       PERCENT OF ALL          OWNERSHIP OF
     BENEFICIAL OWNER        BENEFICIAL OWNERSHIP   ALL SHARES(1)     SHARES/UNITS(2)     EXECUTIVE OFFICERS(3)
- ---------------------------  --------------------   -------------   -------------------   ---------------------
<S>                          <C>                    <C>             <C>                   <C>
Gary A. Burk                        1,273,087(9)         5.03%             4.43%                 287,574
David R. Mennel                     1,261,190(10)        4.98%             4.39%                 272,569
William E. Linville III                22,005(11)         (12)              (12)                  22,004
Directors and Executive
Officers as a Group (26
persons)                            4,502,339           16.57%            15.54%                   N/A
</TABLE>
 
- ------------------------
 
 (1) Assumes that the only  Units exchanged for Shares  are those owned by  such
    beneficial owner.
 
 (2) Assumes exchange of all outstanding Units for Shares.
 
 (3)  Reflects Shares and Units held  directly by executive officers and members
    of their family, as well as their proportionate economic interest in  Shares
    and Units owned by various entities.
 
 (4)  Includes 300,420 Shares owned by Mr.  Hefner and members of his family and
    stock options exercisable  for 28,200  Shares. Also  includes the  following
    Units:  (i) 289,753 Units  owned directly by Mr.  Hefner; (ii) 386,628 Units
    owned by Park 100  Investors, Inc., a corporation  in which Mr. Hefner  owns
    12.2%  of the outstanding capital stock;  and (iii) 1,068,778 Units owned by
    DMI Partnership, a partnership in which Mr. Hefner owns a 20.71%  beneficial
    interest.
 
 (5)  Includes 335,500 Shares owned by  Mr. Staton and stock options exercisable
    for 28,200  Shares. Also  includes the  following Units:  (i) 281,789  Units
    owned  directly  by  Mr.  Staton;  and (ii)  1,068,778  Units  owned  by DMI
    Partnership, a  partnership in  which Mr.  Staton owns  a 20.71%  beneficial
    interest.
 
 (6)  Includes 322,145 Shares  owned by Mr.  Zink and members  of his family and
    stock options exercisable  for 28,200  Shares. Also  includes the  following
    Units:  (i) 280,757  Units owned  directly by  Mr. Zink;  (ii) 386,628 Units
    owned by Park 100 Investors, Inc., a corporation in which Mr. Zink owns 2.2%
    of the outstanding  capital stock; and  (iii) 1,068,778 Units  owned by  DMI
    Partnership,  a  partnership  in which  Mr.  Zink owns  a  20.71% beneficial
    interest.
 
 (7) Includes: (i) 280,987 Shares owned by Mr. Wynne and members of his  family;
    (ii)  98,475 Shares owned  as trustee under the  Phillip R. Duke Irrevocable
    Trust and (iii) stock options  exercisable for 28,200 Shares. Also  includes
    the  following Units:  (i) 105,343 Units  owned directly by  Mr. Wynne; (ii)
    386,628 Units owned by Park 100 Investors, Inc., a corporation in which  Mr.
    Wynne owns 32.0% of the outstanding capital stock; and (iii) 1,068,778 Units
    owned  by DMI Partnership,  a partnership in  which Mr. Wynne  owns a 20.71%
    beneficial interest.
 
 (8) Includes: (i) 6,749 Shares owned by Mr. Peterson and members of his family;
    (ii) 4,700 Shares owned by Mr.  Peterson as Trustee for the Peterson  Family
    GST  Investment Share  Trust; and  (iii) 7,141  shares owned  for investment
    purposes by City Securities Corporation, a firm in which Mr. Peterson serves
    as Chairman of the Board and Chief Executive Officer.
 
 (9) Includes 98,220  Shares owned by  Mr. Burk  and members of  his family  and
    stock  options exercisable  for 28,200  Shares. Also  includes the following
    Units: (i) 77,889  Units owned directly  by Mr. Burk;  (ii) 1,068,778  Units
    owned  by  DMI Partnership,  a partnership  in  which Mr.  Burk owns  a 7.5%
    beneficial interest.
 
(10) Includes 86,951 Shares owned  by Mr. Mennel and  members of his family  and
    stock  options exercisable  for 27,200  Shares. Also  includes the following
    Units: (i) 78,261 Units owned directly  by Mr. Mennel; (ii) 1,068,778  Units
    owned  by DMI  Partnership, a  partnership in which  Mr. Mennel  owns a 7.5%
    beneficial interest.
 
                                       2
<PAGE>
(11) Includes 3,786 Shares owned by  Mr. Linville and stock options  exercisable
    for  13,400  Shares. Also  includes 4,819  Units  beneficially owned  by Mr.
    Linville under  an  agreement with  a  partnership owned  by  certain  other
    executive officers.
 
(12) Represents less than 1% of the outstanding shares.
 
(13) Information about these shares is based upon a Schedule 13G provided to the
    Company  in February, 1996.  No subsequent amendments  have been received by
    the Company.
 
(14) Information about these shares is based upon a Schedule 13G provided to the
    Company in January, 1996. No subsequent amendments have been received by the
    Company
 
                     PROPOSAL NO. 1:  ELECTION OF DIRECTORS
 
    Three Directors are to be  elected. John W. Wynne,  Thomas L. Hefner and  L.
Ben  Lytle  have  been nominated  for  a term  of  three years  and  until their
successors are elected and qualified. All nominees except Mr. Lytle are  members
of  the present  Board of Directors.  Mr. Lytle  has been nominated  to fill the
directorship held  by  Mr. Lee  Stanfield  whose term  is  expiring and  who  is
retiring  from the  Board. The  other directors listed  in the  table below will
continue in office until expiration of their terms. If, at the time of the  1996
annual  meeting,  any  of the  nominees  is  unable or  declines  to  serve, the
discretionary authority provided  in the proxy  may be exercised  to vote for  a
substitute  or substitutes. The Board of Directors has no reason to believe that
any substitute nominee or nominees will be required.
 
                                       3
<PAGE>
    THE BOARD OF DIRECTORS UNANIMOUSLY RECOMMENDS THE ELECTION OF THE  FOLLOWING
NOMINEES:
 
    The  election of  each director  will be  determined by  a plurality  of the
shares present in person or represented by proxy. The holder of each outstanding
share of common  stock is  entitled to  vote for as  many persons  as there  are
directors to be elected. An abstention, broker non-vote, or direction to withold
authority will result in a nominee receiving fewer votes.
 
<TABLE>
<CAPTION>
                               NAME, AGE, PRINCIPAL OCCUPATION(S) AND                                   DIRECTOR
                               BUSINESS EXPERIENCE DURING PAST 5 YEARS                                    SINCE
- -----------------------------------------------------------------------------------------------------  -----------
<S>                                                                                                    <C>
NOMINEES FOR TERMS EXPIRING IN 1999
Thomas L. Hefner, Age 49                                                                                     1993
  President and Chief Executive Officer of the Company.
L. Ben Lytle, Age 49                                                                                          N/A
  President  and  Chief Executive  Officer  of Associated  Insurance  Companies, Inc.,  the principal
  corporate entity  of  The Associated  Group,  a national  insurance  and financial  services  firm.
  Director of Acordia, Inc. and IPALCO Enterprises, Inc.
John W. Wynne, Age 63                                                                                        1985
  Chairman  of the Board of the  Company. Retired from Bose McKinney  & Evans, attorneys. Director of
  First Indiana Corporation.
 
DIRECTORS WHOSE TERMS EXPIRE 1997
Howard L. Feinsand, Age 48                                                                                   1988
  Managing Director, Citicorp North America, Inc., since 1995. Prior to 1995, Senior Vice  President,
  GE  Capital Aviation  Services, Inc.,  an aircraft  leasing company,  and Senior  Vice President of
  Polaris Aircraft Leasing Corporation.
James E. Rogers, Age 48                                                                                      1994
  Vice Chairman,  President  and Chief  Executive  Officer of  CINergy,  a regional  utility  holding
  company,  since 1994. Prior to 1994, Chairman, President and Chief Executive Officer of PSI Energy,
  Inc. Director of CINergy  Corp., Fifth Third  Bank, Fifth Third Bancorp,  and Bankers Life  Holding
  Corporation.
Daniel C. Staton, Age 43                                                                                     1993
  Executive  Vice President  and Chief Operating  Officer of  the Company. Director  of Storage Trust
  Realty, Inc.
Jay J. Strauss, Age 60                                                                                       1985
  Chairman and  Chief Executive  Officer of  Regent Realty  Group, Inc.,  a general  real estate  and
  mortgage banking firm.
 
DIRECTORS WHOSE TERMS EXPIRE IN 1998
Geoffrey Button, Age 47                                                                                      1993
  An  independent real estate consultant. Prior to 1996 was executive Director of Wyndham Investments
  Limited, a property holding company of Allied Domecq Pension Funds. Director of Major Realty.
Ngaire E. Cuneo, Age 45                                                                                      1995
  Executive Vice President, Corporate Development, Conseco, Inc., an owner, operator and provider  of
  services  to companies in the  financial services industry, since 1992.  Prior to 1992, Senior Vice
  President and corporate officer  of General Electric  Capital Corp. Director  of Conseco, Inc.  and
  Bankers Life Holding Corporation.
John D. Peterson, Age 62                                                                                     1986
  Chairman  and Chief Executive Officer of City  Securities Corporation, a securities brokerage firm.
  Director of Capital Industries, Inc. and Lilly Industries, Inc.
Darell E. Zink, Jr., Age 49                                                                                  1993
  Executive Vice President, Chief Financial Officer and Assistant Secretary of the Company.  Director
  of Inland Mortgage Corporation.
</TABLE>
 
                                       4
<PAGE>
    The  Board of Directors of the Company met four times during the last fiscal
year. All directors attended in excess of 75% of the aggregate of (i) the  total
number of meetings of the Board of Directors of the Company held during the time
each  such director was a Director and (ii) the total number of meetings held by
all Board of Directors' committees on which each such director served.
 
COMMITTEES OF THE BOARDS OF DIRECTORS OF THE COMPANY
 
    The Board  of Directors  of the  Company has  an Asset  Committee, an  Audit
Committee,  an  Executive  Compensation  Committee, a  Finance  Committee  and a
Nominating Committee.
 
    The function of  the Asset  Committee is  to discuss,  review and  authorize
business  transactions that  exceed established  guidelines. The  members of the
Asset Committee are Messrs.  Hefner, Feinsand, Peterson,  Strauss and Wynne  and
Ms.  Cuneo. Mr. Strauss served as the committee's chairman. The committee met 11
times in 1995.
 
    The function of the Audit Committee is to evaluate audit performance, handle
relations with  the Company's  independent auditors  and evaluate  policies  and
procedures  related to  internal accounting controls.  The members  of the Audit
Committee are Messrs. Button,  Feinsand, Peterson and  Stanfield and Ms.  Cuneo.
Mr. Feinsand served as Chairman. The committee met 4 times during 1995.
 
    The  function of the Executive Compensation  Committee is to review and make
recommendations to the Board  of Directors with respect  to the compensation  of
directors,  officers, and employees  of the Company,  to implement the Company's
stock option  plan  and to  make  recommendations to  the  Nominating  Committee
regarding  individuals qualified to be  nominated as unaffiliated directors. The
members of  the Executive  Compensation Committee  are Messrs.  Button,  Rogers,
Stanfield and Strauss and Ms. Cuneo. The committee is chaired by Mr. Button. The
committee met 4 times in 1995.
 
    The  function of the Finance Committee is to review, recommend and authorize
certain debt  financing and  equity  transactions. The  members of  the  Finance
Committee  are Messrs. Button,  Feinsand, Rogers, Staton,  Strauss and Zink. The
Committee is chaired by Mr. Rogers. The committee met 5 times during 1995.
 
    The function of the Nominating Committee is to nominate individuals to serve
as unaffiliated directors. The Nominating Committee  is comprised of all of  the
unaffiliated  directors, Messrs.  Button, Feinsand,  Peterson, Rogers, Stanfield
and Strauss and Ms. Cuneo. The committee does not formally consider  nominations
by  shareholders. The committee is chaired by Mr. Button. The committee met once
during 1995.
 
COMPENSATION OF DIRECTORS
 
    Each unaffiliated  director  receives  600 Shares  as  annual  compensation.
Unaffiliated  directors  also receive  a fee  of $2,500  for attendance  at each
meeting of  the Board  of  Directors. In  addition, the  unaffiliated  directors
receive  $500 for participation in each telephonic  meeting of the Board and for
participation in each committee meeting  not held in conjunction with  regularly
scheduled Board meetings. Officers of the Company who are also directors receive
no additional compensation for their services as directors.
 
                             EXECUTIVE COMPENSATION
 
         BOARD COMPENSATION COMMITTEE REPORT ON EXECUTIVE COMPENSATION
 
EXECUTIVE COMPENSATION PHILOSOPHY
 
    The   primary  objectives  of  the  Executive  Compensation  Committee  (the
"Committee") in  determining  total  compensation  of  the  Company's  executive
officers  are  to (i)  enable the  Company  to attract  and retain  high quality
executives by providing total compensation  opportunities with a combination  of
compensation  elements which are at or above competitive opportunities and which
provide for moderate fixed costs and leveraged incentive opportunities, and (ii)
to align shareholder  interests and executive  rewards by providing  substantial
incentive  opportunities to be earned by  meeting standards designed to increase
long-term shareholder value. In order to accomplish these
 
                                       5
<PAGE>
objectives, the  Committee  adopted during  1995  a new  executive  compensation
program  which provides (i) annual  base salaries at or  near the market median,
(ii) annual incentive opportunities which reward the executives for achieving or
surpassing performance goals which represent  industry norms of excellence,  and
(iii) long-term incentive opportunities which are directly related to increasing
shareholder value.
 
    The  Committee  has  not yet  developed  a position  regarding  the Internal
Revenue Code provisions  limiting deductions  for certain  compensation to  $1.0
million  per  person because  no  compensation paid  to  any one  individual has
approached such limitation. However, the  Committee has taken steps to  mitigate
any  future  negative  impact of  this  provision.  For example,  the  long term
incentive plans discussed below will qualify for exemption from the limit on tax
deductibility as  shareholder  approved  performance plans  if  such  plans  are
approved by the shareholders.
 
ANNUAL INCENTIVE OPPORTUNITIES
 
    The  Annual Incentive Opportunities  consist of Base  Salary and Annual Cash
Incentives.  The  objective  of   the  Committee  is   for  total  annual   cash
compensation,  consisting of these two components for each executive officer, to
be between the  50th and 75th  percentile of the  comparable market. The  market
median  for the  CEO and  the COO  is based  on a  comparison group  of 13 other
publicly traded  real  estate investment  trusts  and for  the  other  executive
officers  on  comparison data  obtained from  the  National Association  of Real
Estate Investment Trusts (NAREIT).
 
BASE SALARIES
 
    The range  of  base  salaries  for executive  officers  of  the  Company  is
established  with a midpoint based upon the  market median and provides for a 50
percent differential between the  minimum and maximum  annual salary within  the
range. The midpoint of the range is equal to 90 percent of the market median for
the most senior executive officers and the vice-presidents in charge of business
segments  and equal to the market median  for other executive officers. The base
salary is set at a level within the range based upon subjective factors  related
to the individual's experience and performance.
 
ANNUAL CASH INCENTIVES
 
    A  targeted annual  cash incentive  for each executive  officer is  set at a
percentage of base salary. The targeted annual percentage for each executive  is
determined  by the  desired combination of  fixed and  variable compensation for
each executive  which  is  adjusted  based  on his  or  her  ability  to  impact
measurable  results. The amount of  each executive's annual award  is based on a
combination of  three performance  factors: (i)  overall corporate  performance;
(ii)   business  segment  or  departmental  performance;  and  (iii)  individual
performance. The  relative importance  of  each of  the performance  factors  in
determining  annual cash incentives differs for each executive position with the
performance factor for the  most senior executives being  based more heavily  on
overall  corporate performance  and the performance  factor for  the officers in
charge of business segments  or departments being based  on more heavily on  the
performance  of their segment  or department. The  overall corporate performance
factor is based  on a  three tier measurement  system consisting  of Funds  from
Operations  Growth, Return  on Shareholders'  Equity and  Return on  Real Estate
Investments.  The  business  segment  performance  is  based  on  a  four   tier
measurement  system consisting of  return on the  in-service property portfolio,
value  creation  though  new  development  and  acquisitions  performance,   the
contribution level of the business unit to the Company overall and certain other
non-financial  measures. The amount of the  targeted annual cash incentives paid
is based on the level of attainment  of each of the measurements as compared  to
the  pre-determined standards  established by  the Committee.  If performance is
below  an  established  threshold  amount,  no  cash  incentives  are  paid.  If
performance  meets or exceeds  the threshold levels, the  payment of annual cash
incentives may range from 25 percent to 150 percent of the targeted amounts.
 
LONG-TERM INCENTIVE OPPORTUNITIES
 
    A potential long-term incentive award for each executive officer is set at a
percentage of  base salary.  The amount  of long-term  incentive awarded  on  an
annual basis is determined at the discretion
 
                                       6
<PAGE>
of  the  Committee  but  is  tied  to  overall  corporate  and  business segment
performance. The  long-term  incentive opportunities  consist  of  approximately
two-thirds  Stock Options ("Options")  and Dividend Increase  Units ("DIUs") and
one-third Shareholder Value Grants.
 
Stock Option and Dividend Increase Unit Plans
 
    The objectives of the Stock Option  and Dividend Increase Unit Plans are  to
provide  executive officers with long-term  incentive opportunities aligned with
the shareholder benefits of an increased Common Stock value and increased annual
dividends. The number of Options and  DIUs issued to each executive annually  is
set  by the Committee based on the goal of providing approximately two-thirds of
the total annual  long-term incentive award  through these plans  and assumes  a
combined  value  of each  Option  and DIU  at  the date  of  grant based  on the
Black-Scholes option pricing  model. The Options  and DIUs are  for terms of  no
more  than ten years and generally become  vested, pursuant to a schedule set by
the Committee, 50 percent  three years after  the date of  grant and 25  percent
four  and five years after the date of  grant. The Options may not be issued for
less than the fair  market value of  the Company's Common Stock  at the date  of
grant.  The value  of each  DIU at the  date of  exercise will  be determined by
calculating the percentage of the Company's annualized dividend per share to the
market value of one share of  the Company's Common Stock (the "Dividend  Yield")
at  the  date the  DIU is  granted and  dividing the  increase in  the Company's
annualized dividend from  the date  of grant  to the  date of  exercise by  such
Dividend  Yield. A DIU may be exercised by a participant only to the extent that
such participant has exercised an Option to purchase a share of Common Stock  of
the Company under an Option granted under the 1995 Stock Option Plan on the same
date as the grant of the DIU.
 
Shareholder Value Plan
 
    The objective of the Shareholder Value Plan is to provide executive officers
with  long-term  incentive  opportunities directly  related  to  providing total
shareholder return in excess  of the median of  independent market indices.  The
annual  Shareholder Value Plan amount for each executive is set by the Committee
with the  goal  of providing  approximately  one-third of  the  total  long-term
incentive  award through this  plan. The award vests  entirely three years after
the date  of  grant  and  the  amount paid  is  based  on  the  Company's  total
shareholder  return for such three year period as compared to independent market
indices. The independent  market indices  used for  comparison are  the S&P  500
Index  and the NAREIT  Equity REIT Total  Return Index. The  amount of the award
payable may range from zero  percent if both of  the rankings of the  comparable
returns  are less than the 50th percentile of both of the indices to 300 percent
if the rankings of both of the comparable returns are in the 90th percentile  or
higher  of both of the  indices, with 100 percent of  the award being payable at
the 60th percentile.
 
COMPENSATION OF CHIEF EXECUTIVE OFFICER
 
    The compensation awarded  to Mr. Hefner  in 1995 consisted  primarily of  an
annual  base salary of $150,000, an annual cash incentive award of $60,000 and a
grant of 6,756 Options. The salary amount was  set in 1993 when, as part of  the
Company's  reorganization, Mr. Hefner was appointed Chief Executive Officer. Mr.
Hefner did not receive an annual bonus  for 1993 and 1994. This base salary  and
the  absence of an annual  bonus resulted in total  compensation which was below
the comparable market  median but  was considered  appropriate in  light of  Mr.
Hefner's  substantial equity interest in the Company and his stock options held.
In 1995, Mr. Hefner's total compensation  was evaluated under the new  executive
compensation  plan adopted by the Committee  as discussed above. Accordingly, in
1996, Mr. Hefner's base salary will be increased with the intent that, by  1999,
his base salary will be equal to 90 percent of the market median of a comparison
group  of  thirteen  other publicly  traded  real estate  investment  trusts. In
addition, under  the  Committee's executive  compensation  plan, Mr.  Hefner  is
eligible  for a targeted  annual cash incentive  bonus (to be  phased in through
1997) and a  targeted long-term  incentive award equal  to a  percentage of  his
annual  base salary. The amount  of Mr. Hefner's annual  cash incentive bonus is
determined solely upon overall corporate performance  which is based on a  three
tier   measurement   system  consisting   of   Funds  from   Operations  Growth,
 
                                       7
<PAGE>
Return on Shareholders' Equity and Return on Real Estate Investments as compared
to pre-determined target criteria established by the Committee. Under the  three
tier  measurement system, the Funds from Operations Growth measurement comprises
80 percent  of the  rating with  each of  the other  two factors  comprising  10
percent of the rating. The amount of the targeted annual cash incentives paid is
based  on the level of attainment of each of the measurements as compared to the
pre-determined standards.  If  performance  is below  an  established  threshold
amount,  no  cash  incentives are  paid.  If  performance meets  or  exceeds the
threshold levels,  the payment  of  annual cash  incentives  may range  from  25
percent  to 150  percent of  the targeted amounts.  For 1995,  the Company's FFO
Growth was 8.26% on a  per share basis, its  Return on Shareholders' Equity  was
10.21% and its Return on Real Estate Investments was 8.87%. All of these factors
equaled  or exceeded the pre-determined  standards established by the Committee.
Based on this performance, Mr. Hefner received an Annual Cash Incentive award of
$60,000 for 1995.
 
    As a long-term incentive opportunity award  in 1995, Mr. Hefner was  granted
an option to purchase 6,756 shares of Company Common Stock at a price of $30.625
per  share and 6,756  DIUs with a Dividend  Yield of 6.40%.  Mr. Hefner was also
awarded a targeted amount of $30,000 under the Shareholder Value Plan.
 
                             COMPENSATION COMMITTEE
                                Geoffrey Button
                                  Ngaire Cuneo
                                James E. Rogers
                                 Lee Stanfield
                                 Jay J. Strauss
 
                                       8
<PAGE>
                               PERFORMANCE GRAPH
 
    The  following  graph  compares,  over  the  last  five  years,  the  yearly
percentage  change in the  cumulative total shareholder  return on the Company's
common stock with  the cumulative total  return of  the S&P 500  Index, and  the
cumulative total return of the NAREIT Equity REIT Total Return Index.
 
                COMPARISON OF FIVE-YEAR CUMULATIVE TOTAL RETURN
                      COMPANY COMMON STOCK, S&P 500 INDEX,
                   AND NAREIT EQUITY REIT TOTAL RETURN INDEX
 
EDGAR REPRESENTATION OF DATA POINTS USED IN PRINTED GRAPHIC
 
<TABLE>
<CAPTION>
            THE COMPANY     NAREIT       S&P
<S>        <C>             <C>        <C>
DEC. 90            100.00     100.00     100.00
DEC. 91            126.98     135.70     130.55
DEC. 92            162.15     155.49     140.56
DEC. 93            247.75     186.06     154.60
DEC. 94            338.23     191.95     156.93
DEC. 95            402.06     221.26     215.25
</TABLE>
 
<TABLE>
<CAPTION>
                                  DEC. 90    DEC. 91    DEC. 92    DEC. 93    DEC. 94    DEC. 95
<S>                              <C>        <C>        <C>        <C>        <C>        <C>
The Company                       100.00     126.98     162.15     247.75     338.23     402.06
NAREIT                            100.00     135.70     155.49     186.06     191.95     221.26
S&P                               100.00     130.55     140.56     154.60     156.93     215.25
</TABLE>
 
* Assumes that the value of the investment in the Company's stock and each index
  was $100 on December 31, 1990 and that all dividends were reinvested.
 
                                       9
<PAGE>
                           SUMMARY COMPENSATION TABLE
 
    The  following table sets forth the compensation awarded, earned by, or paid
to the  Company's chief  executive officer  and the  Company's five  other  most
highly  compensated executive  officers (the "Named  Executive Officers") during
the last three fiscal years.
 
<TABLE>
<CAPTION>
                                                                                          LONG-TERM
                                                                                        COMPENSATION
                                                                                           AWARDS
                                                           ANNUAL COMPENSATION          -------------
                                                   -----------------------------------   SECURITIES          (2)
               NAME AND PRINCIPAL                                 (1)                    UNDERLYING       ALL OTHER
                    POSITION                         YEAR     SALARY ($)    BONUS ($)    OPTIONS (#)    COMPENSATION
- -------------------------------------------------  ---------  -----------  -----------  -------------  ---------------
<S>                                                <C>        <C>          <C>          <C>            <C>
Thomas L. Hefner.................................       1995  $   150,000  $    60,000        6,756           2,900
President and                                           1994      150,000      --            --               4,500
Chief Executive Officer                                 1993       40,385      --            70,500           2,287
Daniel C. Staton.................................       1995      150,000       60,000        6,756           2,920
Executive Vice President and                            1994      150,000      --            --               4,500
Chief Operating Officer                                 1993       40,385      --            70,500           2,287
Darell E. Zink, Jr...............................       1995      150,000       60,000        6,756           2,920
Executive Vice President,                               1994      150,000      --            --               4,500
Chief Financial Officer and                             1993       40,385      --            70,500           2,287
Assistant Secretary
David R. Mennel..................................       1995      150,000       60,000        6,756           3,000
General Manager of                                      1994      150,000      --            --               4,500
Services Operations and                                 1993       40,385      --            70,500           2,287
President, Duke Services, Inc.
Gary A. Burk.....................................       1995      150,000       60,000        6,756           2,920
President of                                            1994      150,000      --            --               4,500
Construction Services                                   1993       40,385      --            70,500           2,287
William E. Linville III..........................       1995      110,000      120,000       29,008           3,000
Vice President                                          1994      110,000       85,000       --               4,100
Indiana Industrial Group                                1993       26,923       13,462       23,500           1,955
</TABLE>
 
- ------------------------
 
(1) The compensation for  1993 reflects only  compensation earned subsequent  to
    the time the officers became employees of the Company on October 4, 1993.
 
(2)  Represents allocable  contributions by the  Company for the  account of the
    Named Executive Officer to the Company's Profit Sharing and Salary  Deferral
    Plan.
 
                                       10
<PAGE>
                          STOCK OPTION GRANTS IN 1995
 
    The  following table sets forth certain  information for the Named Executive
Officers relating to stock  option grants during 1995  under the Company's  1995
Stock Option Plan.
 
<TABLE>
<CAPTION>
                                                      INDIVIDUAL GRANTS                    POTENTIAL REALIZABLE
                                       ------------------------------------------------   VALUE AT ASSUMED ANNUAL
                                        NUMBER OF    % OF TOTAL                             RATE OF STOCK PRICE
                                       SECURITIES     OPTIONS     EXERCISE                APPRECIATION FOR OPTION
                                       UNDERLYING    GRANTED TO   PRICE PER                      TERM (1)
                                         OPTIONS    EMPLOYEES IN    SHARE    EXPIRATION  -------------------------
                NAME                     GRANTED        1995      ($/SHARE)     DATE          5%           10%
- -------------------------------------  -----------  ------------  ---------  ----------  ------------  -----------
<S>                                    <C>          <C>           <C>        <C>         <C>           <C>
Thomas L. Hefner                            6,756         6.12%   $  30.625    10/25/05   $  130,142   $   329,803
Daniel C. Staton                            6,756         6.12       30.625    10/25/05      130,142       329,803
Darell E. Zink, Jr.                         6,756         6.12       30.625    10/25/05      130,142       329,803
David R. Mennel                             6,756         6.12       30.625    10/25/05      130,142       329,803
Gary A. Burk                                6,756         6.12       30.625    10/25/05      130,142       329,803
William E. Linville III                     9,008         8.15       30.625    10/25/05      173,522       439,737
                                           20,000(2)      23.53      25.875     1/25/05      325,508       824,895
</TABLE>
 
- ------------------------
 
(1) The dollar amounts under these columns are the result of calculations at the
    5%  and  10%  rates  set  by the  Securities  and  Exchange  Commission and,
    therefore, are not intended to forecast future appreciation of the Company's
    stock price. For the options expiring on January 25, 2005, the Company's per
    share stock  price would  be $42.15  and  $67.12 if  increased 5%  and  10%,
    respectively,  compounded annually  over the  10 year  option term.  For the
    options expiring on October  25, 2005, the Company's  per share stock  price
    would be $49.89 and $79.44 if increased 5% and 10%, respectively, compounded
    annually over the 10 year option term.
 
(2) These options were granted under the Company's 1993 Stock Option Plan.
 
    The  following table  presents certain  information for  the Named Executive
Officers relating  to  the exercise  of  stock  options during  1995  under  the
Company's  1993 stock option plan and,  in addition, information relating to the
valuation of unexercised stock options.
 
              AGGREGATED OPTION EXERCISES IN THE LAST FISCAL YEAR
                       AND FISCAL YEAR-END OPTION VALUES
 
<TABLE>
<CAPTION>
                                                                    NUMBER OF SECURITIES        VALUE OF UNEXERCISED
                                                                   UNDERLYING UNEXERCISED           IN-THE-MONEY
                                         SHARES                     OPTIONS AT 12/31/95       OPTIONS AT 12/31/95 (1)
                                       ACQUIRED ON     VALUE     --------------------------  --------------------------
                                        EXERCISE     REALIZED    EXERCISABLE  UNEXERCISABLE  EXERCISABLE  UNEXERCISABLE
                NAME                       (#)          ($)          (#)           (#)           ($)           ($)
- -------------------------------------  -----------  -----------  -----------  -------------  -----------  -------------
<S>                                    <C>          <C>          <C>          <C>            <C>          <C>
Thomas L. Hefner                                0            0       28,200        49,056       215,025        327,605
Daniel C. Staton                                0            0       28,200        49,056       215,025        327,605
Darell E. Zink, Jr.                             0            0       28,200        49,056       215,025        327,605
David R. Mennel                             1,000        4,875       27,200        49,056       207,400        327,605
Gary A. Burk                                    0            0       28,200        49,056       215,025        327,605
William E. Linville III                         0            0       13,400        39,108        93,675        202,269
</TABLE>
 
- ------------------------
 
(1) Based on the closing price of  the Company's Shares on December 29, 1995  of
    $31.375.
 
    The  following table sets forth awards to the Named Executive Officers under
the Company's 1995 Dividend Increase Unit Plan and 1995 Shareholder Value Plan.
 
                                       11
<PAGE>
             LONG-TERM INCENTIVE PLAN -- AWARDS IN LAST FISCAL YEAR
 
<TABLE>
<CAPTION>
                                                                                    ESTIMATED FUTURE PAYOUTS
                                                    NUMBER OF     PERFORMANCE           UNDER NON-STOCK
                                                     SHARES,        PERIOD             PRICED-BASED-PLANS
                                                     DIUS, OR        UNTIL     ----------------------------------
                      NAME                         OTHER RIGHTS     PAYOUT     THRESHOLD    TARGET      MAXIMUM
- ------------------------------------------------  --------------  -----------  ----------  ---------  -----------
<S>                                               <C>             <C>          <C>         <C>        <C>
Thomas L. Hefner
  Dividend Increase Unit Plan (1)                     6,756 DIUs         N/A         N/A         N/A          N/A
  Shareholder Value Plan (2)                            --           3 Years          $0     $30,000      $90,000
Daniel C. Staton
  Dividend Increase Unit Plan (1)                     6,756 DIUs         N/A         N/A         N/A          N/A
  Shareholder Value Plan (2)                            --           3 Years           0      30,000       90,000
Darell E. Zink, Jr.
  Dividend Increase Unit Plan (1)                     6,756 DIUs         N/A         N/A         N/A          N/A
  Shareholder Value Plan (2)                            --           3 Years           0      30,000       90,000
David R. Mennel
  Dividend Increase Unit Plan (1)                     6,756 DIUs         N/A         N/A         N/A          N/A
  Shareholder Value Plan (2)                            --           3 Years           0      30,000       90,000
Gary A. Burk
  Dividend Increase Unit Plan (1)                     6,756 DIUs         N/A         N/A         N/A          N/A
  Shareholder Value Plan (2)                            --           3 Years           0      30,000       90,000
William E. Linville III
  Dividend Increase Unit Plan (1)                     9,008 DIUs         N/A         N/A         N/A          N/A
  Shareholder Value Unit Plan (2)                       --           3 Years           0      40,000      120,000
</TABLE>
 
- ------------------------
 
(1) Under  the  1995  Dividend Increase  Unit  Plan,  DIUs are  granted  to  key
    employees.  DIUs granted to date vest over  a 5 year period with 50% vesting
    at the end of year 3 and 25% vesting  at the end of years 4 and 5. DIUs  may
    be  exercised by a participant only to  the extent that such participant has
    purchased a share  of Company  Common Stock  pursuant to  an option  granted
    under  the 1995 Stock Option Plan on the  same date as the grant of the DIU.
    The value of each DIU at the  date of exercise is determined by  calculating
    the  Dividend Yield at the date the DIU is granted and dividing the increase
    in the Company's annualized dividend from the  date of grant to the date  of
    exercise  by such Dividend Yield. DIUs not  exercised within 10 years of the
    date of grant are forfeited. Distribution of a participant's benefits  under
    the  1995 Dividend  Increase Unit  Plan will  be made  in a  single lump sum
    payment in the form of whole shares  of the Company's Common Stock. No  DIUs
    were vested at year end.
 
(2)  Under  the 1995  Shareholder Value  Plan, awards  are granted  in specified
    dollar amounts to selected key employees. The specified award is payable  to
    the  participant on  the third  anniversary of the  grant of  the award. The
    payment of the bonus award amount will be adjusted based upon the  Company's
    cumulative  total shareholder return for the  three year period beginning on
    the date of grant as compared to the cumulative total return for the S&P 500
    Index and the NAREIT Equity REIT Total Return Index (the "Indices") for  the
    same period. The Company's cumulative total shareholder return is calculated
    by  determining the average per share  closing price of the Company's Common
    Stock for the  30 day  period preceding  the end  of the  three year  period
    increased  by an amount  that would be  realized if all  cash dividends paid
    during the three  year period were  reinvested in Company  Common Stock  and
    comparing  this  amount  to  the  average per  share  closing  price  of the
    Company's Common Stock for  the 30 day period  preceding the date of  grant.
    The  payment  of one-half  of the  bonus  award is  adjusted based  upon the
    percentile ranking of the Company's  cumulative total shareholder return  as
    compared  to each of the Indices for the same period. The payment adjustment
    may range  from zero  percent if  both  of the  rankings of  the  comparable
    returns  are less  than the 50th  percentile of  both of the  Indices to 300
    percent if both
 
                                       12
<PAGE>
    of the rankings are in the 90th percentile or higher of both of the Indices,
    with 100  percent  of  the  award being  payable  at  the  60th  percentile.
    Distribution of a participant's adjusted bonus award at the end of the three
    year  period after the date of grant will  be made one-half in cash and one-
    half in the form of whole shares of Company Common Stock.
 
                              CERTAIN TRANSACTIONS
 
    A wholly-owned subsidiary of the Company is the sole general partner of Duke
Realty Services Limited  Partnership (the "Services  Partnership"), which is  in
turn  the sole  general partner  of Duke  Construction Limited  Partnership (the
"Construction Partnership"). The  operations of these  entities are included  in
the  consolidated financial statements of  the Company. The Services Partnership
provides third party property management,  leasing and development services  and
the Construction Partnership provides third party construction services. Certain
of  the executive officers own limited  partnership interests in these entities.
Messrs. Hefner, Staton,  Zink, Wynne,  Burk and  Mennel control  an entity  that
indirectly  owns  ninety  percent  of  the  capital  interests  in  the Services
Partnership and profit's interests which vary from 10% to 90%. The share of  net
income  of the Services Partnership for  1995 allocated to the entity controlled
by these executive officers was $973,544.  The executive officers' share of  net
income  from the  Services Partnership is  included in minority  interest in the
Company's financial  statements. The  Company  has an  option to  acquire  these
executive  officers' limited partnership interest in the Services Partnership in
exchange for  416,666 Units.  These same  executive officers  own a  95  percent
limited  partnership interest in the  Construction Partnership which the Company
has the  option to  purchase  for $1,000.  The  Construction Partnership  has  a
deficit  cumulative capital balance, thus there  was no allocation of net income
to any  of  the  partners  of  the  Construction  Partnership,  including  these
executive officers.
 
    The  Services Partnership and the  Construction Partnership provide property
management,  leasing,  construction  and   other  tenant  related  services   to
properties  in which Messrs.  Hefner, Staton, Zink, Wynne,  Burk and Mennel have
ownership interests.  The  Company has  an  option to  acquire  these  executive
officers'  interests in these properties (the "Option Properties"). In 1995, the
Services  Partnership  and  the   Construction  Partnership  received  fees   of
$2,367,526  and  $342,131, respectively,  for  services provided  to  the Option
Properties. The fees charged  by the Services  Partnership and the  Construction
Partnership  for such  services are equivalent  to those charged  to other third
party owners for similar services. Also, the Company leased operating facilities
in certain of  the Option  Properties. In 1995,  the aggregate  rent under  such
leases  was  approximately $476,120.  The rental  amount  paid is  comparable to
similar space in the area.
 
    DRLP has a  $20.0 million  loan to  the Service  Partnership which  requires
interest  only payments at 12% through  September, 2003. The loan then amortizes
over a 15 year period  with interest at 12%  until final maturity in  September,
2018.  The loan is guaranteed  by an entity owned  indirectly by Messrs. Hefner,
Staton, Zink, Wynne, Burk and Mennel.
 
    Messrs.  Hefner,  Staton,  Zink,  Wynne,  Burk  and  Mennel  have   personal
guarantees  for $50.5 million  of the Company's debt.  DRLP has indemnified them
from any liability with respect to such debt.
 
    The Company contracts  with Steel  Frame Erectors, Inc.  ("SFE"), an  entity
owned  by  Messrs. Hefner,  Staton, Zink,  Wynne, Burk  and Mennel,  for certain
construction  related  services.  During  1995,  the  total  costs  under  these
contracts for Company related projects was $1,114,382. The net income of SFE for
1995 was $64,197.
 
    In  1995,  the  Company  acquired  one  of  the  Option  Properties  from  a
corporation in  which Messrs.  Hefner, Zink  and Wynne  collectively own  a  46%
interest.  The acquisition  price consisted of  the assumption  of $1,560,000 of
third party debt and the issuance of Units with a value at the date of  issuance
(based on the market value of the Company's common stock) of $156,000. An entity
in  which Mr. Wynne owns an 85.72% interest owned a 50% interest in certain land
acquired by the Company. For such 50% interest, Mr. Wynne received Units with  a
value at the date of issuance (based on the market value of the Company's common
stock)   of   $7,400.   The   building   located   on   such   land   was   also
 
                                       13
<PAGE>
acquired from a separate  entity in which  Mr. Wynne owns  an 75% interest.  The
acquisition  price of the building was the assumption of third party debt in the
amount of $1,450,000  and the  issuance of  Units with a  value at  the date  of
issuance  (based on the market value of  the Company's common stock) of $37,000.
All of these transactions were approved by the Company's unaffiliated directors.
 
                 PROPOSAL NO. 2.  APPROVAL OF EXECUTIVE OFFICER
                               COMPENSATION PLANS
 
    The Committee  has approved  and adopted,  and the  Board of  Directors  has
ratified  such adoption, subject  to shareholder approval,  effective October 1,
1995, the following executive officer compensation plans:
 
    - The 1995 Key Employees' Stock Option Plan of Duke Realty Investments, Inc.
      (the "1995 Stock Option Plan")
 
    - The 1995  Dividend Increase  Unit  Plan of  Duke Realty  Services  Limited
      Partnership (the "1995 Dividend Increase Unit Plan")
 
    - The   1995  Shareholder  Value  Plan   of  Duke  Realty  Services  Limited
      Partnership (the "1995 Shareholder Value Plan").
 
    To become effective, each plan must be separately approved by the  Company's
shareholders.
 
1995 STOCK OPTION PLAN
 
    The  1995 Stock Option  Plan is a  replacement for the  Duke Realty Services
1993 Stock  Option Plan  (the "1993  Stock Option  Plan") which  was  previously
approved by the shareholders. Upon approval of the 1995 Stock Option Plan by the
shareholders,  the 1993  Stock Option  Plan will  terminate with  respect to the
granting of any additional options under  such plan. The 1995 Stock Option  Plan
is  designed to  promote the  interest of  the Company  and its  subsidiaries by
encouraging their  officers  and  other  key  employees,  upon  whose  judgment,
initiative  and industry the Company and  its subsidiaries are largely dependent
for the  successful conduct  and growth  of their  business, to  continue  their
association  with  the  Company  and its  subsidiaries  by  providing additional
incentive and  opportunity for  unusual industry  and efficiency  through  stock
ownership, and by increasing their proprietary interest in the Company and their
personal  interest in  its continued  success and  progress. The  Committee will
administer the 1995 Stock  Option Plan and  no member of  the Committee will  be
eligible  to receive  grants of  options under the  1995 Stock  Option Plan. The
Committee is comprised of  at least three unaffiliated  members of the Board  of
Directors.  All  Company  officers  and certain  non-officer  key  employees are
eligible for the 1995  Stock Option Plan. Currently,  this group consists of  48
employees.
 
    The  following is a description  of the material features  of the 1995 Stock
Option Plan. A copy of the plan document is set out in full in Exhibit A to this
Proxy Statement.
 
MATERIAL FEATURES OF THE 1995 STOCK OPTION PLAN
 
    Under the 1995 Stock Option Plan, the Committee will be authorized to  grant
options  to purchase  up to  558,400 shares of  Common Stock,  as well  as up to
400,000 shares authorized under the 1993 Stock Option Plan that become available
due to the  lapse, forfeiture,  or other  termination of  stock options  granted
under  such plan. The 558,400 shares is equal to the number of shares authorized
under the 1993 Stock Option Plan for which options to purchase have not yet been
granted. Therefore, shareholder approval  of the termination  of the 1993  Stock
Option Plan and the adoption of the 1995 Stock Option Plan will not increase the
number  of shares  reserved for  the granting  of options  above that  which has
previously been approved by the shareholders. The market values, as of March 19,
1996, of the 958,000 Shares that may be awarded under the plan was $28,261,000.
 
    The 1995 Stock  Option Plan  provides for  the granting  of incentive  stock
options  ("ISOs") (as defined in  Section 422 of the  Internal Revenue Code) and
nonqualified stock options ("NSOs").
 
                                       14
<PAGE>
Options may be  granted under the  1995 Stock Option  Plan for a  period of  ten
years  commencing October  1, 1995.  The 1995 Stock  Option Plan  will expire on
September 30, 2005 except as to outstanding options, which options shall  remain
in  effect until they have been exercised  or terminated or have expired. Annual
grants of more than 25,000  options to any one officer  or key employee are  not
permitted under the plan.
 
    The  term of  each option,  the date an  option becomes  exercisable and the
option price will  be determined by  the Committee  except that the  term of  an
option  may not exceed ten years  and the option price may  not be less than the
fair market value of the Common Stock on the date the option is granted. In  the
case  of ISO's granted to holders of more  than 10% of the total voting power of
the Company's Common Stock, the  term of the option may  not exceed 5 years  and
the option price may not be less than 110% of the fair market value of the stock
at  the date of grant. Payment of the exercise  price may be made in cash, or at
the discretion of the Committee, in the  form of shares of the Company's  Common
Stock or a combination of cash and stock.
 
    During  an optionee's  lifetime, his  option is  nontransferable and  may be
exercised only by  him. If an  optionee's employment terminates  for any  reason
other than cause (as defined) or his total disability (as defined) or death, any
outstanding  options  which were  exercisable on  his  date of  termination will
terminate 90 days after the optionee's employment terminates. If an optionee  is
terminated  for cause,  all outstanding options  will terminate on  the date his
employment terminates. If an optionee's  employment terminates because of  death
or  total disability, all outstanding options remain exercisable for a period of
one year from the date of termination of employment. In the event of the  death,
total disability or retirement (on or after attaining age 65) of the optionee or
a  change in control of the Company (as defined), all outstanding options become
immediately exercisable.
 
    In any calendar year no participant under the 1995 Stock Option Plan may  be
granted  ISOs  to the  extent that  the  aggregate exercise  price of  such ISOs
(determined at the date the ISOs are granted) that are exercisable for the first
time in any calendar year by such participant exceeds $100,000.
 
    The Committee has  approved two separate  grants under the  plan with  grant
dates  of October 25, 1995 and January 31, 1996, respectively. The intent of the
Committee is to grant additional options under the 1995 Stock Option Plan on  an
annual basis.
 
    The  Board  of Directors  may,  at any  time,  without the  approval  of the
shareholders of the Company,  alter, amend, modify,  suspend or discontinue  the
1995  Stock Option Plan except for any such alterations which would (i) increase
the aggregate number of  shares subject to options  under the 1995 Stock  Option
Plan  (except  to  the  extent  otherwise provided  for  as  a  result  of stock
dividends, splits, combinations or other changes of shares described in the plan
document); (ii) decrease the  minimum option price;  (iii) permit any  Committee
member  to become  eligible to  receive grants of  options under  the 1995 Stock
Option Plan; (iv) withdraw administration of the 1995 Stock Option Plan from the
Committee or the  Board of  Directors; (v)  extend the  term of  the 1995  Stock
Option Plan or the maximum period during which any option may be exercised; (vi)
change  the manner of determining the option price; or (vii) change the class of
individuals eligible for options under the 1995 Stock Option Plan.
 
FEDERAL INCOME TAX CONSEQUENCES
 
    The 1995 Stock Option Plan provides for the issuance of options qualified as
ISOs within the meaning of  Section 422 of the  Internal Revenue Code and  NSOs.
The  federal income tax consequences to the  Company and to the optionee arising
from the grant and exercise of the option and the subsequent sale of the  Common
Stock are significantly different for the two types of options.
 
    In  the  case  of ISOs,  no  income is  recognized  by the  optionee  and no
compensation expense deduction is allowable  to the Company or its  subsidiaries
at  the  time  of either  the  grant or  exercise  of the  option.  However, any
difference between the option price and the  fair market value of the shares  on
the  date of exercise constitutes an  alternative minimum tax adjustment for the
optionee. If the shares acquired  through an ISO are (i)  held for at least  two
years from the date the option is granted
 
                                       15
<PAGE>
and  at  least one  year from  the date  the  option is  exercised and  (ii) the
optionee was an employee at  all times from the date  the ISO was granted  until
the  day three  months before  the ISO  is exercised,  any gain  realized by the
optionee on  the subsequent  sale of  the shares  will be  treated as  long-term
capital  gain  for  federal  income tax  purposes  and  no  compensation expense
deduction will be allowable to the Company  or its subsidiaries. A sale of  such
shares  by  the  optionee  at  a gain  prior  to  meeting  these  holding period
requirements will result in the recognition  of ordinary income by the  optionee
and  a  corresponding  compensation  expense deduction  to  the  Company  or its
subsidiaries.
 
    In the  case  of NSOs,  no  income is  recognized  by the  optionee  and  no
deduction is allowable to the Company or its subsidiaries at the time the option
is  granted.  At the  time  an NSO  is  exercised, the  optionee  will recognize
ordinary  income,  in  the  form  of  compensation,  and  the  Company  or   its
subsidiaries  will be entitled to a  compensation expense deduction equal to the
excess of the fair market value of the  shares on the date the NSO is  exercised
over the exercise price of the shares. The fair market value of the stock at the
time of exercise is the basis for the determination of capital gain or loss upon
the optionee's subsequent disposition of the shares.
 
THE 1995 DIVIDEND INCREASE UNIT PLAN
 
    The  purpose of the 1995  Dividend Increase Unit Plan  is to retain selected
key employees of the Services Partnership. The 1995 Dividend Increase Unit  Plan
has  been established through the Services Partnership because it is anticipated
that most of the employment services provided by key employees to be covered  by
the  1995 Dividend  Increase Unit  Plan will  be performed  as employees  of the
Services Partnership. The Committee will  administer the 1995 Dividend  Increase
Unit  Plan and no member of the Committee will be eligible to participate in the
1995 Dividend Increase Unit Plan. The  Committee will be authorized to issue  up
to  100,000 shares of Common  Stock under the 1995  Dividend Increase Unit Plan.
All Company officers and key employees of the Services Partnership are  eligible
for  the 1995 Dividend Increase Unit Plan.  Currently, this group consists of 48
employees.
 
    The following is a description of the material features of the 1995 Dividend
Increase Unit Plan. A copy of the plan document is set out in full in Exhibit  B
to this Proxy Statement.
 
MATERIAL FEATURES OF THE 1995 DIVIDEND INCREASE UNIT PLAN
 
    Under  the 1995 Dividend Increase Unit Plan,  the Committee may grant one or
more DIUs to key employees of the Services Partnership. The value of each DIU at
the date of exercise will be determined by calculating the the Dividend Yield at
the date  the  DIU  is  granted  and dividing  the  increase  in  the  Company's
annualized  dividend from  the date  of grant  to the  date of  exercise by such
Dividend Yield. A DIU may be exercised by a participant only to the extent  that
such  participant has purchased a share of  Common Stock of the Company pursuant
to the exercise of  an option granted  under the 1995 Stock  Option Plan on  the
same  date as the grant of  the DIU. The term of each  DIU and the date the DIUs
become exercisable shall be determined by the Committee except that the term  of
a DIU may not exceed ten years.
 
    During  a participant's  lifetime, his DIUs  are nontransferable  and may be
exercised only by him. If a  participant's employment terminates for any  reason
other than cause (as defined) or his total disability (as defined) or death, any
outstanding  DIUs  will terminate  90  days after  the  participant's employment
terminates. If a participant is terminated for cause, all outstanding DIUs  will
terminate  on the date his employment  terminates. If a participant's employment
terminates because of  death or  total disability, all  outstanding DIUs  remain
exercisable for a period of one year from the date of termination of employment.
In the event of death, total disability or retirement (on or after attaining age
65)  of the participant or a change in  control of the Company (as defined), all
outstanding DIUs become immediately exercisable.
 
    Distribution of a  participant's benefit  under the  1995 Dividend  Increase
Unit  Plan will be made in a single lump sum payment in the form of whole shares
of the Company's Common Stock. The number  of shares to be issued will be  based
on   the   fair   market  value   of   the   Company's  Common   Stock   at  the
 
                                       16
<PAGE>
time of exercise.  In the  event of  a change of  control of  the Company,  each
participant will be entitled to receive, within 90 days of the date of change in
control,  a lump sum payment in cash equal to the value of his Units at the date
of change of control.
 
    The Committee has approved two separate grants under the plan to a total  of
47  individual grantees with effective dates of  January 1, 1995 and January 31,
1996, respectively. The  intent of  the Committee  is to  grant additional  DIUs
under the 1995 Dividend Increase Unit Plan on an annual basis.
 
    The  Board  of Directors  may,  at any  time,  without the  approval  of the
shareholders of the Company, amend or terminate the 1995 Dividend Increase  Unit
Plan  except  that no  amendment  may be  made  to take  away  a benefit  from a
participant which had accrued prior to the amendment.
 
FEDERAL INCOME TAX CONSEQUENCES
 
    At the time  a DIU  is exercised,  the participant  will recognize  ordinary
income  in the form of compensation, and the Company or its subsidiaries will be
entitled to a compensation  expense deduction equal to  the value of the  Common
Stock transferred to the participant.
 
THE 1995 SHAREHOLDER VALUE PLAN
 
    The purpose of the 1995 Shareholder Value Plan is to retain key employees of
the  Services Partnership  by rewarding those  key employees  for increasing the
Company's shareholders' return on their  investment. The 1995 Shareholder  Value
Plan  has  been  established  through the  Services  Partnership  because  it is
anticipated that most of the employment  services provided by the key  employees
to  be covered by the 1995 Shareholder Value Plan will be performed as employees
of the Services Partnership. The Committee will administer the 1995  Shareholder
Value  Plan  and no  member of  the  Committee will  be eligible  to participate
thereunder. The Committee will  be authorized to issue  up to 100,000 shares  of
Common  Stock under the  1995 Shareholder Value Plan.  Employees of the Services
Partnership who are  considered to be  part of the  executive officer group  are
eligible  for the 1995 Shareholder Value Plan. Currently, this group consists of
25 people.
 
    The following  is  a  description  of the  material  features  of  the  1995
Shareholder  Value Plan.  A copy  of the  plan document  is set  out in  full in
Exhibit C to this Proxy Statement.
 
MATERIAL FEATURES OF THE 1995 SHAREHOLDER VALUE PLAN
 
    Under the 1995 Shareholder Value Plan, the Committee may grant bonus  awards
in  specified dollar amounts  to key employees of  the Services Partnership. The
specified  bonus  award  will  be  payable  to  the  participant  on  the  third
anniversary  of the  grant of  the award  provided the  participant is  still an
employee of the Services Partnership or  an affiliate. The payment of the  bonus
award  amount  will  be  adjusted  based  upon  the  Company's  cumulative total
shareholder return for the three year period  beginning on the date of grant  as
compared  to the  cumulative total  return for  both the  S&P 500  Index and the
NAREIT Equity REIT Total Return Index  (the "Indices") for the same period.  The
Company's  cumulative total shareholder return will be calculated by determining
the average per share closing price of the Company's Common Stock for the 30 day
period preceding the end of  the three year period  increased by an amount  that
would have been realized if all cash dividends paid during the three year period
had  been reinvested in  Company Common Stock  and comparing this  amount to the
average per share closing  price of the  Company's Common Stock  for the 30  day
period  preceding the date of grant. The  payment of one-half of the bonus award
will be adjusted based upon the  percentile ranking of the Company's  cumulative
total shareholder return as compared to each of the Indices for the same period.
The  payment adjustment may range  from zero percent if  both of the rankings of
the comparable returns are less than the 50th percentile of both of the  Indices
to  300 percent if both of the rankings  are in the 90th percentile or higher of
both of the Indices,  with 100 percent  of the award being  payable at the  60th
percentile.
 
    During  a participant's lifetime, his bonus award is nontransferable and may
be exercised  only by  him. If  a participant's  employment terminates  for  any
reason other than his total disability (as
 
                                       17
<PAGE>
defined),  death or retirement  (on or after attaining  age 65), any outstanding
unpaid bonus award will terminate on the date his employment terminates. In  the
event  of  death,  total  disability  or  retirement  of  the  participant,  all
outstanding bonus awards become vested and are payable at the end of the related
calculation period. In  the event  of a  change in  control of  the Company  (as
defined), any outstanding bonus awards become payable within 90 days of the date
of  change in control and will  be the greater of the  full dollar amount of the
bonus award or the bonus award as adjusted under the plan from the date of grant
through the date of change in control.
 
    Distribution of a participant's adjusted bonus award at the end of the three
year period after the date of grant  will be made one-half in cash and  one-half
in  the form of whole shares of Company Common Stock. The number of shares to be
issued will be based on the fair  market value of the Company's Common Stock  at
the end of the three year period.
 
    The  Committee has approved two separate grants under the plan to a total of
24 individual grantees with effective dates  of January 1, 1995 and January  31,
1996,  respectively. The intent  of the Committee is  to grant additional awards
under the 1995 Shareholder Value Plan on an annual basis.
 
    The Board  of  Directors may,  at  any time,  without  the approval  of  the
shareholders  of the Company, amend or terminate the 1995 Shareholder Value Plan
except that no amendment may be made  to take away a benefit from a  participant
which had accrued prior to the amendment.
 
FEDERAL INCOME TAX CONSEQUENCES
 
    At the time the bonus award is paid, the participant will recognize ordinary
income  in the form of compensation and  the Company or its subsidiaries will be
entitled to a compensation  expense deduction equal to  the amount of cash  paid
and the fair market value of the Common Stock transferred to the participant.
 
RECOMMENDATION
 
    Adoption  of these plans requires  an affirmative vote for  each plan by the
holders of a majority of the outstanding Common Stock represented at the meeting
either in  person or  by proxy.  Any shares  not voted  (whether by  abstention,
broker  non-vote, or otherwise) have the effect of a negative vote. THE BOARD OF
DIRECTORS RECOMMENDS THAT  THE SHAREHOLDERS VOTE  FOR THE APPROVAL  OF THE  1995
STOCK  OPTION  PLAN,  THE  1995  DIVIDEND  INCREASE  UNIT  PLAN,  AND  THE  1995
SHAREHOLDER VALUE PLAN.
 
         PROPOSAL NO. 3:  APPROVAL OF THE DIRECTORS STOCK PAYMENT PLAN
 
    The Committee has  adopted and  the Board of  Directors of  the Company  has
ratified  such adoption,  subject to  shareholder approval,  the Directors Stock
Payment Plan  of Duke  Realty Investments,  Inc. (the  "Directors Stock  Payment
Plan").  The purpose  of the  Directors' Stock  Payment Plan  is to  promote the
interests of the Company by increasing  the proprietary interest in the  Company
of its unaffiliated directors. The Directors' Stock Payment Plan will cover only
the  unaffiliated  directors of  the  Company and  will  be administered  by the
Committee. The Committee  will be  authorized to issue  up to  20,000 shares  of
Common Stock under the Directors Stock Payment Plan.
 
    The  following is a  description of the material  features of the Directors'
Stock Payment Plan. A copy of the plan document is set out in full in Exhibit  D
to this Proxy Statement.
 
MATERIAL FEATURES OF THE DIRECTORS' STOCK PAYMENT PLAN
 
    Under  the Directors' Stock Payment Plan,  each unaffiliated director of the
Company will be entitled to receive  as compensation for services 150 shares  of
Common  Stock of the Company  for each full calendar  quarter during which he is
actively serving as a director of the  Company. In the event a participant is  a
director  for  less than  a full  calendar  quarter, the  number of  shares such
participant is  entitled to  receive will  be prorated  for the  portion of  the
quarter of active service. The unaffiliated directors will not receive any other
compensation  for their  services except  cash payments  for meeting attendance.
During 1995, Messrs. Button, Feinsand, Peterson, Rogers, Stanfield and  Strauss,
and Ms. Cuneo each received 600 Shares under the plan.
 
                                       18
<PAGE>
FEDERAL INCOME TAX CONSEQUENCES
 
    The  unaffiliated directors will  recognize ordinary income  and the Company
will be entitled to a  deduction on a quarterly basis  equal to the fair  market
value of the Company's Common Stock at the time of transfer of the shares to the
unaffiliated directors.
 
RECOMMENDATION
 
    Adoption  of this proposal requires an affirmative  vote by the holders of a
majority of the outstanding  Common Stock represented at  the meeting either  in
person  or  by  proxy.  Any  shares not  voted  (whether  by  abstention, broker
non-vote, or  otherwise)  have the  effect  of a  negative  vote. THE  BOARD  OF
DIRECTORS  RECOMMENDS  THAT  THE  SHAREHOLDERS  VOTE  FOR  THE  APPROVAL  OF THE
DIRECTORS' STOCK PAYMENT PLAN OF DUKE REALTY INVESTMENTS, INC.
 
DISCLOSURE OF BENEFITS
 
    The benefits  to be  received under  the 1995  Stock Option  Plan, the  1995
Dividend  Increase Unit Plan  and the 1995 Shareholder  Value Plan are generally
not determinable because all awards are within the discretion of the  Committee.
Awards  under the Directors  Stock Payment Plan  are set by  formula. The awards
made under the  plans for the  Company's last  fiscal year are  outlined in  the
following table.
 
<TABLE>
<CAPTION>
                                                                                DIVIDEND        (1)
                                                                     STOCK      INCREASE    SHAREHOLDER   DIRECTORS
                                                                    OPTION        UNITS     VALUE PLAN      STOCK
                                                                   GRANTS IN    AWARDS IN    AWARDS IN     PAYMENT
                                                                     1995         1995         1995      PLAN AWARDS
NAME AND PRINCIPAL POSITION                                           (#)          (#)          ($)        IN 1996
- ----------------------------------------------------------------  -----------  -----------  -----------  ------------
<S>                                                               <C>          <C>          <C>          <C>
Thomas L. Hefner................................................       6,756        6,756    $  30,000             0
President and Chief
Executive Officer
Daniel C. Staton................................................       6,756        6,756       30,000             0
Chief Operating Officer
Darell E. Zink, Jr..............................................       6,756        6,756       30,000             0
Executive Vice President,
Chief Financial Officer and
Assistant Secretary
David R. Mennel.................................................       6,756        6,756       30,000             0
General Manager of Services
Operations and President,
Duke Services, Inc.
Gary A. Burk....................................................       6,756        6,756       30,000             0
President of Construction Services
William E. Linville III (2).....................................       9,008        9,008       40,000             0
Vice President, Indiana
Industrial Group
Executive Officer Group (19 persons)............................      59,921       59,921      266,080             0
Non-Executive Officer Director Group (7 persons)................           0            0            0         4,200
Non-Executive Officer Employee Group (22 persons)...............       7,760        7,760            0             0
</TABLE>
 
- ------------------------
 
(1)  Represents  the  target  value  of  awards  made  in  1995  under  the 1995
    Shareholder Value Plan.
 
(2) Mr. Linville also received a grant of 20,000 stock options in 1995 under the
    1993 Stock Option Plan.
 
                                       19
<PAGE>
                            APPOINTMENT OF AUDITORS
 
    The Company's consolidated  financial statements for  the fiscal year  ended
December  31, 1995, were audited by KPMG  Peat Marwick LLP ("KPMG"). The Company
has selected  KPMG  as its  independent  auditors  for the  fiscal  year  ending
December  31, 1996. Representatives  of KPMG are  expected to be  present at the
annual meeting, with the opportunity  to make a statement  if they desire to  do
so, and will be available to respond to appropriate questions.
 
                             SHAREHOLDER PROPOSALS
 
    Any  shareholder of  the Company wishing  to have a  proposal considered for
inclusion in the Company's 1997 proxy solicitation materials must set forth such
proposal in writing and file it with  the Secretary of the Company on or  before
November  25,  1996. The  Board  of Directors  of  the Company  will  review any
shareholder proposals that  are filed  as required, and  will determine  whether
such  proposals  meet  applicable  criteria  for  inclusion  in  its  1996 proxy
solicitation materials or consideration at the 1997 annual meeting.
 
                      COMPLIANCE WITH SECTION 16(A) OF THE
                        SECURITIES EXCHANGE ACT OF 1934
 
    Section 16(a) of the Securities Exchange  Act of 1934, as amended,  requires
the  Company's officers and directors, and persons  who own more than 10% of the
Company's Common Stock, to  file reports of ownership  and changes in  ownership
with  the Securities  and Exchange  Commission. Officers,  directors and greater
than 10%  shareholders  are  required  by  Securities  and  Exchange  Commission
regulations  to furnish the Company with copies  of all Section 16(a) forms they
file.
 
    Based on a review of the copies of such forms furnished to the Company,  the
Company  believes that  during 1995 all  of its officers,  directors and greater
than 10% beneficial owners timely filed the forms required under Section  16(a),
except  the following:  (i) Mr. Horn  failed to  timely file one  report for the
purchase of 1,500  shares of  Company Common  Stock, and  (ii) Messrs.  Myrvold,
Minton,  Horn, Linville, Lingafelter,  Hunter and Kennedy  each failed to timely
file one report for the granting of Units to them in August 1995.
 
                                 ANNUAL REPORT
 
    A copy of the Company's Annual Report  for the year ended December 31,  1995
has  been provided to all shareholders as  of the record date. The Annual Report
is not to be considered as proxy solicitation material.
 
                                 OTHER MATTERS
 
    The Board of Directors knows of no  other matters to be brought before  this
annual  meeting. However, if other matters should come before the meeting, it is
the intention of each person named in the proxy to vote such proxy in accordance
with his or her judgment on such matters.
 
                            EXPENSES OF SOLICITATION
 
    The entire expense of preparing, assembling, printing and mailing the  proxy
form  and the material used  in the solicitation of proxies  will be paid by the
Company. The  Company does  not expect  that the  solicitation will  be made  by
specially  engaged employees or paid solicitors.  Although the Company might use
such employees or  solicitors if  it deems  them necessary,  no arrangements  or
contracts have been made with any such employees or solicitors as of the date of
this statement. In addition to the use of the mails, solicitation may be made by
telephone,  telegraph,  cable or  personal interview.  The Company  will request
record holders of  shares beneficially  owned by  others to  forward this  proxy
statement  and related  materials to the  beneficial owners of  such shares, and
will reimburse such  record holders  for their reasonable  expenses incurred  in
doing so.
 
                                       20
<PAGE>
    IT IS IMPORTANT THAT PROXIES BE RETURNED PROMPTLY. Whether or not you attend
the meeting, you are urged to execute and return the proxy.
 
                                          For the Board of Directors,
                                          [Signature]
                                          John W. Wynne
                                          CHAIRMAN
 
March 25, 1996
 
                                       21
<PAGE>
                                                                       EXHIBIT A
 
                     1995 KEY EMPLOYEES' STOCK OPTION PLAN
                                       OF
                         DUKE REALTY INVESTMENTS, INC.
 
                                   ARTICLE I
 
                                  INTRODUCTION
 
    1.1.   PURPOSE.   The 1995 Key  Employees' Stock Option  Plan of Duke Realty
Investments, Inc.  (the "Plan")  is designed  to promote  the interests  of  the
Company  and its Subsidiaries  by encouraging their  officers and key employees,
upon whose judgment, initiative  and industry the  Company and its  Subsidiaries
are largely dependent for the successful conduct and growth of their businesses,
to continue their association with the Company and its Subsidiaries by providing
additional incentive and opportunity for unusual industry and efficiency through
stock ownership, and by increasing their proprietary interest in the Company and
their personal interest in its continued success and progress. The Plan provides
for  the granting of (i) incentive stock options ("ISO's") and (ii) nonqualified
stock options ("NSO's").
 
    1.2.   EFFECTIVE DATE  AND DURATION.   The  Effective Date  of the  Plan  is
October  1, 1995. Options may be granted under the Plan for a period of ten (10)
years commencing October  1, 1995; however,  no options may  be exercised  until
this  Plan  has  been  approved by  a  majority  of the  shares  of  the Company
represented at  the shareholders'  meeting  at which  approval  of the  Plan  is
considered.  No options  shall be  granted after  September 30,  2005. Upon that
date, the Plan  shall expire  except as  to outstanding  options, which  options
shall  remain in  effect until  they have been  exercised or  terminated or have
expired. ISO's must be  granted within ten  (10) years of the  date the Plan  is
adopted  by  the Board  of  Directors or  approved  by the  shareholders  of the
Company, whichever is earlier.
 
    1.3.  ADMINISTRATION.  The Plan shall be administered by the Committee.  The
Committee, from time to time, may adopt any rule or procedure it deems necessary
or desirable for the proper and efficient administration of the Plan provided it
is  consistent with  the terms of  the Plan. The  decision of a  majority of the
Committee members shall constitute the decision of the Committee. Subject to the
provisions of  the Plan,  the Committee  is authorized  (i) to  grant ISO's  and
NSO's;  (ii) to determine the employees to  be granted ISO's and NSO's; (iii) to
determine the option period, the option price and, subject to the limitations of
Section 3.2, the number of shares subject to each option; (iv) to determine  the
time  or times at  which options will be  granted; (v) to  determine the time or
times at which each option becomes exercisable and the duration of the  exercise
period;  (vi) to determine other conditions  and limitations, if any, applicable
to the exercise of each option; and  (vii) to determine the nature and  duration
of the restrictions, if any, to be imposed upon the sale or other disposition of
shares  acquired by any optionee  upon exercise of an  option, and the nature of
the events, if any, and the duration of the period, in or with respect to  which
any  optionee's rights  to shares  acquired upon  exercise of  an option  may be
forfeited. Each option granted  under the Plan shall  be evidenced by a  written
stock  option  agreement  containing  terms and  conditions  established  by the
Committee consistent with the  provisions of the Plan,  including such terms  as
the  Committee shall deem advisable  in order that each  ISO shall constitute an
"incentive stock  option" within  the meaning  of Section  422 of  the  Internal
Revenue  Code of 1986,  as amended (the  "Code"). The Committee's determinations
and interpretations with respect to the Plan  shall be final and binding on  all
parties.  Any  notice or  document required  to be  given to  or filed  with the
Committee will be properly  given or filed if  delivered or mailed by  certified
mail,  postage prepaid, to the Committee  at 8888 Keystone Crossing, Suite 1200,
Indianapolis, Indiana 46240-2182.
 
    1.4.  DEFINITIONS.  For purposes of this Plan, unless a different meaning is
clearly required by the context:
 
        (a) "Board of Directors" means the board of directors of the Company.
 
                                      A-1
<PAGE>
        (b)  "Change  in  Control  of   the  Company"  means  (i)  any   merger,
    consolidation or similar transaction which involves the Company and in which
    persons  who are the  shareholders of the Company  immediately prior to such
    transaction own, immediately after such transaction, shares of the surviving
    or combined entity which possess voting  rights equal to or less than  fifty
    percent  (50%)  of the  voting rights  of all  shareholders of  such entity,
    determined on  a  fully  diluted  basis; (ii)  any  sale,  lease,  exchange,
    transfer  or  other  disposition  of  all or  any  substantial  part  of the
    consolidated assets  of the  Company; (iii)  any tender,  exchange, sale  or
    other disposition (other than disposition of the stock of the Company or any
    Subsidiary   in   connection  with   bankruptcy,   insolvency,  foreclosure,
    receivership  or  other  similar  transactions)  or  purchases  (other  than
    purchases  by the Company or any Company sponsored employee benefit plan, or
    purchases by  members  of the  Board  of Directors  of  the Company  or  any
    Subsidiary) of shares which represent more than twenty-five percent (25%) of
    the voting power of the Company or any Subsidiary; (iv) during any period of
    two  (2) consecutive years, individuals  who at the date  of the adoption of
    the Plan constitute the Company's Board of Directors cease for any reason to
    constitute at least a majority thereof, unless the election of each director
    at the beginning of such period has been approved by directors  representing
    at  least a majority of  the directors then in  office who were directors on
    the date of the adoption of the Plan; (v) a majority of the Company's  Board
    of Directors recommends the acceptance of or accept any agreement, contract,
    offer  or other  arrangement providing  for, or  any series  of transactions
    resulting in, any of the  transactions described above. Notwithstanding  the
    foregoing,  a Change  in Control  of the  Company (A)  shall not  occur as a
    result of the issuance of stock by the Company in connection with any public
    offering of its stock, or (B) be deemed to have occurred with respect to any
    transaction unless such transaction  has been approved  or shares have  been
    tendered by a majority of the shareholders who are not Section 16 Grantees.
 
        (c) "Code" means the Internal Revenue Code, as amended.
 
        (d)  "Committee" means the Executive Compensation Committee of the Board
    of Directors of the Company.
 
        (e) "Company" means Duke Realty Investments, Inc.
 
        (f) "Effective Date" means October 1, 1995.
 
        (g) "Exchange  Act"  means  the  Securities Exchange  Act  of  1934,  as
    amended.
 
        (h)  "Fair  Market Value"  means  the per  share  closing price  for the
    Company's common  stock  on the  New  York Stock  Exchange  on the  date  of
    determination.
 
        (i)  "For  Cause" means  (i)  the willful  and  continued failure  of an
    optionee to perform  his required duties  as an officer  or employee of  the
    Company  or any  Subsidiary, (ii) any  action by an  optionee which involves
    willful misfeasance  or  gross  negligence,  (iii)  the  requirement  of  or
    direction  by a  federal or state  regulatory agency  which has jurisdiction
    over the  Company  or any  Subsidiary  to  terminate the  employment  of  an
    optionee,  (iv)  the conviction  of  an optionee  of  the commission  of any
    criminal offense which involves  dishonesty or breach of  trust, or (v)  any
    intentional  breach by an optionee of a material term, condition or covenant
    of any agreement between the optionee and the Company or any Subsidiary.
 
        (j)   "Permanent  and  Total Disability"  or  "Permanently  and  Totally
    Disabled" means any disability that would qualify as a disability under Code
    Section 22(c)(3).
 
        (k)  "Plan" means the stock option plan embodied herein, as amended from
    time to time, known  as the 1995  Key Employees' Stock  Option Plan of  Duke
    Realty Investments, Inc.
 
        (l)  "Section 16 Grantee" means a  person subject to potential liability
    under Section  16(b)  of  the  Exchange Act  with  respect  to  transactions
    involving equity securities of the Company.
 
                                      A-2
<PAGE>
        (m)  "Subsidiary" or "Subsidiaries" means  a corporation, partnership or
    limited liability  company,  a majority  of  the outstanding  voting  stock,
    general  partnership interests or membership interests,  as the case may be,
    of which is owned or controlled,  directly or indirectly, by the Company  or
    by  one or more other Subsidiaries of  the Company. For the purposes of this
    definition, "voting stock" means stock having voting power for the  election
    of  directors, or trustees, as the case may be, whether at all times or only
    so long as no senior class of stock  has such voting power by reason of  any
    contingency.
 
                                   ARTICLE II
 
                         ELIGIBILITY AND PARTICIPATION
 
    Officers  and  other  key  employees  of  the  Company  or  of  any  of  its
Subsidiaries, as selected by the Committee, shall be eligible to receive  grants
of  ISO's and NSO's under  the Plan. Committee members  shall not be eligible to
receive grants of options under the Plan while serving as Committee members.
 
                                  ARTICLE III
 
                                    BENEFITS
 
    3.1.  SHARES COVERED BY THE PLAN.  The stock to be subject to options  under
the  Plan shall be shares  of authorized common stock of  the Company and may be
unissued shares or  reacquired shares  (including shares purchased  in the  open
market),  or  a  combination of  the  two, or  shares  which are  not  issued in
connection with the Duke Realty  Services Limited Partnership 1993 Stock  Option
Plan,  as  the  Committee  may  from time  to  time  determine.  Subject  to the
provisions of Section 4.2  and the provisions of  this Section 3.1, the  maximum
number  of shares to be delivered upon exercise of all options granted under the
Plan shall  not  exceed  (i)  Five Hundred  Fifty-Eight  Thousand  Four  Hundred
(558,400)  shares and (ii) the number of shares authorized under the Duke Realty
Services Limited Partnership 1993 Stock Option Plan that become available due to
the lapse, forfeiture or other termination  of stock options granted under  such
plan.  Provided,  however,  the total  number  of  shares to  be  delivered upon
exercise of the options granted under the Plan under clause (ii) of the previous
sentence shall not exceed Four Hundred Thousand (400,000) shares. Shares covered
by an option that remains unpurchased upon the expiration or termination of  the
option may be made subject to further options.
 
    3.2.  GRANT OF OPTIONS.  The Committee shall be responsible for granting all
options  under  the  Plan.  The  Committee shall  also  determine,  in  its sole
discretion, with respect to each optionee, whether the options granted shall  be
ISO's  or NSO's, or a combination of the  two; and whether any employee shall be
given discretion to determine whether any options granted to him shall be  ISO's
or  NSO's or  a combination of  the two. Provided,  however, notwithstanding any
other Plan provision,  during any calendar  year, no optionee  shall be  granted
options  to acquire  more than twenty  five thousand (25,000)  shares of Company
stock.
 
    3.3.  OPTION PRICE.
 
    (a)  ISO OPTION PRICE.  The option  price per share of stock under each  ISO
shall  be not less than  one hundred percent (100%) of  the Fair Market Value of
the share on the date on which  the option is granted; provided, however, as  to
officers  and key employees who, at the time  an ISO is granted, own, within the
meaning of  Code  Section 425(d),  more  than ten  percent  (10%) of  the  total
combined  voting power of all classes of  stock of the Company or any Subsidiary
(referred to as "Shareholder-Employees"), the purchase price per share of  stock
under each ISO shall be not less than one hundred ten percent (110%) of the Fair
Market Value of the stock on the date on which the option is granted.
 
                                      A-3
<PAGE>
    (b)   NSO OPTION PRICE.  The option  price per share of stock under each NSO
shall be determined by the Committee  in its discretion; provided, however,  the
option  price per share shall not be less than one hundred percent (100%) of the
Fair Market Value of the share on the date on which the option is granted.
 
    3.4.   OPTION  PERIOD.   No  option  period  shall exceed  ten  (10)  years;
provided,   however,  the  option  period  with  respect  to  ISO's  granted  to
Shareholder-Employees shall not exceed five (5) years.
 
    3.5.  SPECIAL  CALENDAR YEAR  LIMITATION ON SHARES  SUBJECT TO  ISO'S.   The
aggregate  Fair Market Value (determined at the  time of the grant of the ISO's)
of the stock with respect to which  ISO's are exercisable for the first time  by
an eligible employee during any calendar year (under all plans providing for the
grant  of incentive  stock options  of the Company  or any  of its Subsidiaries)
shall not exceed One Hundred Thousand Dollars ($100,000.00).
 
    3.6.  SEQUENCE OF EXERCISING INCENTIVE STOCK OPTIONS.  Any ISO granted to an
employee pursuant to the Plan shall be exercisable even if there are outstanding
previously granted but unexercised ISO's with respect to such employee.
 
    3.7.  VESTING OF OPTIONS.   All options granted  under the Plan shall  vest,
and  thereby become exercisable at such time  or times as shall be determined by
the Committee in  its sole discretion.  The stock option  agreement between  the
Company and the optionee shall include the schedule under which the option shall
vest.
 
    3.8.   VESTING ON  CHANGE IN CONTROL  OR DEATH, RETIREMENT  OR DISABILITY OF
OPTIONEE.  Notwithstanding  the provisions  of Section 3.7,  in the  event of  a
Change  in  Control  of the  Company  or  upon the  death,  Permanent  and Total
Disability or  retirement on  or  after attaining  age  sixty-five (65)  of  the
optionee,  any options granted under this Plan  may be exercised in full without
regard to any restrictions on the vesting of the options contained in the option
agreement between the Company and the optionee.
 
    3.9.  EARLY TERMINATION OF OPTION.
 
    (a) TERMINATION  OF EMPLOYMENT.   All  rights to  exercise an  option  shall
terminate   ninety  (90)  days  after  the  effective  date  of  the  optionee's
termination of employment with the Company  and its Subsidiaries, but not  later
than  the date the option expires pursuant to its terms, unless such termination
is For Cause or is on account of the Permanent and Total Disability or death  of
the  optionee. Transfer of employment from the  Company to a Subsidiary, or vice
versa, or from one Subsidiary to another,  shall not be deemed a termination  of
employment.  The Committee  shall have the  authority to determine  in each case
whether a leave of absence on military  or government service shall be deemed  a
termination of employment for purposes of this subsection (a).
 
    (b) FOR CAUSE TERMINATION.  If an optionee's employment with the Company and
its  Subsidiaries  is terminated  For  Cause, no  previously  unexercised option
granted hereunder  may  be  exercised. Rather,  all  unexercised  options  shall
terminate  effective on the date the optionee receives notice of his termination
For Cause.
 
    (c) PERMANENT AND TOTAL DISABILITY OR  DEATH OF OPTIONEE.  If an  optionee's
employment terminates due to Permanent and Total Disability or death, his option
shall  terminate one  (1) year  after termination of  his employment  due to his
Permanent and Total Disability or death (but not later than the date the  option
expires  pursuant to its terms). During  such period, subject to the limitations
of this Plan and the option agreement between the Company and the optionee,  the
optionee, his guardian, attorney-in-fact or personal representative, as the case
may  be, may exercise the option in  full. Notwithstanding the foregoing, in the
case of an ISO, such option shall be exercisable as an ISO only during the three
(3) month period  immediately following  the optionee's  death and  in no  event
later  than  the  date  specified  in the  stock  option  agreement.  During the
remainder of such one (1) year period, the option may be exercised as an NSO.
 
                                      A-4
<PAGE>
    3.10.  PAYMENT FOR STOCK.  Full payment for shares purchased hereunder shall
be made at the time the option  is exercised. Payment may be made by  delivering
to the Company (a) cash; (b) at the discretion of the Committee, whole shares of
common  stock of the Company ("Delivered Stock") which (i) has been owned by the
optionee for more than six (6) months and has been paid for, within the  meaning
of  SEC Rule 144 (and, if such stock was  purchased from the Company by use of a
promissory note, such note has been fully  paid with respect to such stock),  or
(ii) was obtained by the optionee in the public market or otherwise than through
the  exercise of an option under this Plan  or under any other stock option plan
involving Company stock; (c) at the  discretion of the Committee, a  combination
of  cash  and Delivered  Stock; or  (d) provided  that a  public market  for the
Company's common stock exists, (i) through a "same day sale" commitment from the
optionee and a  broker-dealer that is  a member of  the National Association  of
Securities  Dealers ("NASD Dealer")  whereby the optionee  irrevocably elects to
exercise the option and to  sell a portion of the  common stock so purchased  in
order  to pay the option price, and  whereby the NASD Dealer irrevocably commits
upon receipt of such stock to forward the option price directly to the  Company;
or  (ii) through  a "margin"  commitment from  the optionee  and an  NASD Dealer
whereby the optionee irrevocably elects to exercise the option and to pledge the
stock so purchased to the NASD Dealer in a margin account as security for a loan
from the NASD  Dealer in the  amount of the  option price and  whereby the  NASD
Dealer  irrevocably commits  upon receipt  of such  stock to  forward the option
price directly to the Company. Delivered Stock shall be valued by the  Committee
at  its Fair  Market Value  determined as  of the  date of  the exercise  of the
option. No shares shall be issued until full payment for them has been made, and
an optionee shall have none of the  rights of a shareholder with respect to  any
shares  until they are issued  to him. Upon payment  of the full purchase price,
and any required  withholding taxes, the  Company shall issue  a certificate  or
certificates  to  the  optionee  evidencing ownership  of  the  shares purchased
pursuant to the exercise of the  option which contain(s) such terms,  conditions
and  provisions  as  may be  required  and  as are  consistent  with  the terms,
conditions and provisions of the Plan and the stock option agreement between the
Company and the optionee.
 
    3.11.  INCOME AND EMPLOYMENT TAX WITHHOLDING.
 
    (a) PAYMENT  BY OPTIONEE.   The  optionee shall  be solely  responsible  for
paying  to  the  Company  all  required federal,  state,  city  and  local taxes
applicable to his (i) exercise of an NSO under the Plan and (ii) disposition  of
shares  acquired  pursuant  to  the  exercise  of  an  ISO  in  a  disqualifying
disposition of the shares under Code Section 422(a)(1).
 
    (b) NSO WITHHOLDING WITH COMPANY  STOCK.  Notwithstanding the provisions  of
subsection  (a), with respect to stock to  be issued pursuant to the exercise of
an NSO, the Committee,  in its discretion  and subject to such  rules as it  may
adopt,  may permit the optionee to satisfy, in whole or in part, any withholding
tax obligation which may  arise in connection  with the exercise  of the NSO  by
having  the Company retain  shares of stock  which would otherwise  be issued in
connection with the exercise of the NSO or accept delivery from the optionee  of
shares  of Company stock  which have a  Fair Market Value,  determined as of the
date of the delivery of such shares, equal to the amount of the withholding  tax
to be satisfied by that retention or delivery.
 
    (c) ISO DISQUALIFYING DISPOSITION WITHHOLDING WITH COMPANY
STOCK.  Notwithstanding the provisions of subsection (a), with respect to shares
of stock to be issued pursuant to the exercise of any ISO, the Committee, in its
discretion and subject to such rules as it may adopt, may permit the optionee to
satisfy,  in whole or in part, any withholding tax obligation which may arise in
connection with the disqualifying disposition  of the shares under Code  Section
422(a)(1)  by having the Company accept delivery  from the optionee of shares of
stock having a Fair Market Value, determined  as of the date of the delivery  of
such  shares, equal to the amount of the withholding tax to be satisfied by that
delivery.
 
                                      A-5
<PAGE>
    3.12.  NOTICE OF DISQUALIFYING DISPOSITION.  Any ISO granted hereunder shall
require the optionee  to notify the  Committee of any  disposition of any  stock
issued  pursuant to the exercise of the ISO under the circumstances described in
Section 421(b) of  the Code  (relating to  certain disqualifying  dispositions),
within ten (10) days of such disposition.
 
                                   ARTICLE IV
 
                     PLAN ADMINISTRATION AND INTERPRETATION
 
    4.1.   AMENDMENT AND TERMINATION.   The Board of  Directors or the Committee
may, at  any time,  without the  approval  of the  stockholders of  the  Company
(except as otherwise required by applicable law, rule or regulations, or listing
requirements  of any National Securities Exchange on which are listed any of the
Company's  equity  securities,  including  without  limitation  any  shareholder
approval requirement of Rule 16b-3 or any successor safe harbor rule promulgated
under  the Exchange Act), alter, amend, modify, suspend or discontinue the Plan,
but may not, without the consent of the holder of an option, make any alteration
which would adversely  affect an option  previously granted under  the Plan  or,
without  the approval  of the stockholders  of the Company,  make any alteration
which would: (a)  increase the  aggregate number  of shares  subject to  options
under  the Plan,  except as  provided in Section  4.2; (b)  decrease the minimum
option price, except as provided in Section 4.2; (c) permit any Committee member
to become eligible  to receive grants  of options under  the Plan; (d)  withdraw
administration  of the Plan  from the Committee  or the Board  of Directors; (e)
extend the term of the Plan or the maximum period during which any option may be
exercised; (f) change the manner of determining the option price; or (g)  change
the class of individuals eligible for options under the Plan.
 
    4.2.  CHANGES IN STOCK.
 
    (a)  SUBSTITUTION OF  STOCK AND  ASSUMPTION OF  PLAN.   In the  event of any
change in the common  stock of the Company  through stock dividends,  split-ups,
recapitalizations, reclassifications, conversions, or otherwise, or in the event
that  other stock shall be converted into  or substituted for the present common
stock of the Company as the result of any merger, consolidation,  reorganization
or similar transaction which results in a Change in Control of the Company, then
the  Committee may make appropriate adjustment  or substitution in the aggregate
number, price, and kind of  shares available under the  Plan and in the  number,
price  and kind  of shares covered  under any  options granted or  to be granted
under the Plan. The Committee's determination in this respect shall be final and
conclusive. Provided, however, that the Company shall not, and shall not  permit
its  Subsidiaries to, recommend, facilitate or agree or consent to a transaction
or series of  transactions which  would result  in a  Change of  Control of  the
Company  unless  and until  the  person or  persons  or the  entity  or entities
acquiring or succeeding to the assets or capital stock of the Company or any  of
its  Subsidiaries as a result  of such transaction or  transactions agrees to be
bound by the  terms of the  Plan so far  as it pertains  to options  theretofore
granted  but unexercised and agrees to assume and perform the obligations of the
Company hereunder. Notwithstanding the  foregoing provisions of this  subsection
(a),  no adjustment shall be made which would operate to reduce the option price
of any ISO below the Fair Market Value of the stock (determined on the date  the
option was granted) which is subject to an ISO.
 
    (b) CONVERSION OF STOCK.  In the event of a Change in Control of the Company
pursuant to which another person or entity acquires control of the Company (such
other  person or  entity being  the "Successor"), the  kind of  shares of common
stock which shall be subject to the Plan and to each outstanding option,  shall,
automatically  by virtue of such Change in  Control of the Company, be converted
into and replaced by shares of common  stock, or such other class of  securities
having  rights  and  preferences no  less  favorable  than common  stock  of the
Successor, and the number of shares subject to the option and the purchase price
per share upon  exercise of  the option  shall be  correspondingly adjusted,  so
that,  by virtue of such  Change in Control of  the Company, each optionee shall
have the right  to purchase (i)  that number of  shares of common  stock of  the
Successor which have a Fair Market Value equal, as of the date of such Change in
Control of the Company, to the Fair Market Value,
 
                                      A-6
<PAGE>
as  of the date of such Change in Control,  of the shares of common stock of the
Company theretofore subject  to his option,  and (ii) for  a purchase price  per
share  which, when  multiplied by the  number of  shares of common  stock of the
Successor subject to  the option, shall  equal the aggregate  exercise price  at
which  the optionee could have acquired all of the shares of common stock of the
Company previously optioned to the optionee.
 
    4.3.  INFORMATION  TO BE FURNISHED  BY OPTIONEES.   Optionees, or any  other
persons entitled to benefits under this Plan, must furnish to the Committee such
documents,  evidence,  data  or  other information  as  the  Committee considers
necessary or desirable for the purpose  of administering the Plan. The  benefits
under  the Plan  for each  optionee, and  each other  person who  is entitled to
benefits hereunder, are to  be provided on the  condition that he furnish  full,
true and complete data, evidence or other information, and that he will promptly
sign any document reasonably related to the administration of the Plan requested
by the Committee.
 
    4.4.   EMPLOYMENT RIGHTS.   Neither the Plan nor  any stock option agreement
executed  under  the  Plan  shall  constitute  a  contract  of  employment   and
participation  in the Plan will not give an  optionee the right to be rehired or
retained in the employ of the Company,  nor will participation in the Plan  give
any optionee any right or claim to any benefit under the Plan, unless such right
or claim has specifically accrued under the terms of the Plan.
 
    4.5.    EVIDENCE.   Evidence required  of anyone  under the  Plan may  be by
certificate, affidavit, document or other  information which the person  relying
thereon  considers pertinent and reliable, and  signed, made or presented by the
proper party or parties.
 
    4.6.  GENDER AND NUMBER.  Where  the context admits, words in the  masculine
gender  shall include the feminine gender, the plural shall include the singular
and the singular shall include the plural.
 
    4.7.  ACTION BY COMPANY.  Any action required of or permitted by the Company
under the Plan shall be by resolution of  the Board of Directors or by a  person
or persons authorized by resolution of the Board of Directors.
 
    4.8.   CONTROLLING  LAWS.  Except  to the  extent superseded by  laws of the
United States, the laws of Indiana shall be controlling in all matters  relating
to the Plan.
 
    4.9.  MISTAKE OF FACT.  Any mistake of fact or misstatement of fact shall be
corrected when it becomes known and proper adjustment made by reason thereof.
 
    4.10.   SEVERABILITY.  In the event any provisions of the Plan shall be held
to be illegal or invalid for any reason, such illegality or invalidity shall not
affect the remaining  parts of the  Plan, and  the Plan shall  be construed  and
endorsed  as if such illegal  or invalid provisions had  never been contained in
the Plan.
 
    4.11.  EFFECT OF HEADINGS.  The descriptive headings of the sections of this
Plan are inserted for  convenience of reference and  identification only and  do
not constitute a part of this Plan for purposes of interpretation.
 
    4.12.   NONTRANSFERABILITY.  No option  shall be transferable, except by the
optionee's will or the laws of  descent and distribution. During the  optionee's
lifetime,  his option shall  be exercisable (to the  extent exercisable) only by
him. The option and  any rights and privileges  pertaining thereto shall not  be
transferred,  assigned, pledged  or hypothecated by  him in any  way, whether by
operation of law or otherwise and shall not be subject to execution,  attachment
or similar process.
 
    4.13.   LIABILITY.  No member of the  Board of Directors or the Committee or
any officer or employee of the  Company or its Subsidiaries shall be  personally
liable  for  any  action,  omission  or  determination  made  in  good  faith in
connection with the Plan. Each optionee,  in the stock option agreement  between
him  and the Company, shall agree to  release and hold harmless the Company, the
 
                                      A-7
<PAGE>
Board of Directors, the Committee and all officers and employees of the  Company
and  its  Subsidiaries from  and against  any  tax liability,  including without
limitation interest and penalties, incurred  by the optionee in connection  with
his participation in the Plan.
 
    4.14.   INVESTMENT REPRESENTATIONS.  Unless  the shares subject to an option
are registered under  the Securities Act  of 1933, each  optionee, in the  stock
option  agreement between the Company and  the optionee, shall agree for himself
and his legal representatives that any and all shares of common stock  purchased
upon  the exercise of the option shall be acquired for investment and not with a
view to, or for sale in connection  with, any distribution of those shares.  Any
share  issued pursuant to  an exercise of  an option subject  to this investment
representation shall bear a legend evidencing this restriction.
 
    4.15.  USE OF PROCEEDS.  The proceeds received by the Company from the  sale
of  stock pursuant  to the  Plan will  be used  for general  corporate purposes,
including without limitation the purchase  by the Company of additional  limited
partnership units in Duke Realty Limited Partnership.
 
                                          DUKE REALTY INVESTMENTS, INC.
 
DATED: October 26, 1995
                                          By:        /s/ THOMAS L. HEFNER
 
                                          --------------------------------------
                                          Thomas L. Hefner, President and Chief
                                                    Executive Officer
 
                                      A-8
<PAGE>
                                                                       EXHIBIT B
 
                        1995 DIVIDEND INCREASE UNIT PLAN
                                       OF
                    DUKE REALTY SERVICES LIMITED PARTNERSHIP
 
                                   ARTICLE I
 
                                  INTRODUCTION
 
    1.1.  PURPOSE.  The 1995 Dividend Increase Unit Plan of Duke Realty Services
Limited Partnership (the "Plan") is designed to retain selected officers and key
employees  of the Partnership and to encourage the growth of the Partnership and
its Affiliates.
 
    1.2.  EFFECTIVE DATE.   The Effective Date of the  Plan is October 1,  1995.
Provided,  however, the Committee may, in  its discretion, grant Units under the
Plan the terms of which  provide that the effective date  of the grant is on  or
after January 1, 1995.
 
    1.3.   ADMINISTRATION.  The Plan shall be administered by the Committee. The
Committee, from time to time, may adopt any rule or procedure it deems necessary
or desirable for the proper and  efficient administration of the Plan,  provided
it  is consistent with the terms of the  Plan. The decision of a majority of the
Committee  members  shall  constitute  the   decision  of  the  Committee.   The
Committee's determinations and interpretations with respect to the Plan shall be
final and binding on all parties. Any notice or document required to be given to
or  filed with  the Committee will  be properly  given or filed  if delivered or
mailed by certified  mail, postage prepaid,  to the Committee  at 8888  Keystone
Crossing, Suite 1200, Indianapolis, Indiana 46240-2182.
 
    1.4   DEFINITIONS.  For purposes of this Plan, unless a different meaning is
clearly required by the context:
 
        (a) "Affiliate" or  "Affiliates" means  (i) any general  partner of  the
    Partnership,  (ii)  any  entity  which  owns  a  majority  of  the ownership
    interests of the Partnership, (iii) any  entity that owns a majority of  the
    ownership  interests of  an entity  described in  clause (i)  or (ii)  or an
    Affiliate of any such entity, or (iv) any Subsidiary.
 
        (b) "Board of Directors" means the board of directors of Duke  Services,
    Inc.
 
        (c)   "Change  in  Control  of  the   Company"  means  (i)  any  merger,
    consolidation or similar transaction which involves the Company and in which
    persons who are the  shareholders of the Company  immediately prior to  such
    transaction own, immediately after such transaction, shares of the surviving
    or  combined entity which possess voting rights  equal to or less than fifty
    percent (50%)  of the  voting rights  of all  shareholders of  such  entity,
    determined  on  a  fully  diluted basis;  (ii)  any  sale,  lease, exchange,
    transfer or  other  disposition  of  all or  any  substantial  part  of  the
    consolidated  assets of  the Company;  (iii) any  tender, exchange,  sale or
    other disposition (other than disposition of the stock of the Company or any
    Subsidiary  in   connection   with  bankruptcy,   insolvency,   foreclosure,
    receivership  or  other  similar  transactions)  or  purchases  (other  than
    purchases by the Company or any Company sponsored employee benefit plan,  or
    purchases  by  members of  the  board of  directors  of the  Company  or any
    Subsidiary) of shares which represent more than twenty-five percent (25%) of
    the voting power of the Company or any Subsidiary; (iv) during any period of
    two (2) consecutive years,  individuals who at the  date of the adoption  of
    the Plan constitute the Company's board of directors cease for any reason to
    constitute at least a majority thereof, unless the election of each director
    at  the beginning of such period has been approved by directors representing
    at least a majority of  the directors then in  office who were directors  on
    the  date of the adoption of the Plan; (v) a majority of the Company's board
    of directors recommends the acceptance of or accept any agreement, contract,
    offer or  other arrangement  providing for,  or any  series of  transactions
    resulting in, any of the transactions
 
                                      B-1
<PAGE>
    described  above. Notwithstanding the foregoing, a  Change in Control of the
    Company (A) shall  not occur as  a result of  the issuance of  stock by  the
    Company  in connection  with any  public offering  of its  stock, or  (B) be
    deemed  to  have  occured  with  respect  to  any  transaction  unless  such
    transaction  has been approved or shares have been tendered by a majority of
    the shareholders who are not Section 16 Grantees.
 
        (d) "Code" means the Internal Revenue Code, as amended.
 
        (e) "Committee" means the Executive Compensation Committee of the  board
    of directors of the Company.
 
        (f) "Company" means Duke Realty Investments, Inc.
 
        (g) "Effective Date" means October 1, 1995.
 
        (h)  "Exchange  Act"  means  the Securities  Exchange  Act  of  1934, as
    amended.
 
        (i) "For  Cause"  means (i)  the  willful  and continued  failure  of  a
    Participant  to perform his required duties as an officer or employee of the
    Partnership or  any  Affiliate,  (ii)  any action  by  a  Participant  which
    involves  willful misfeasance or gross  negligence, (iii) the requirement of
    or direction by a federal or state regulatory agency which has  jurisdiction
    over  the Partnership  or any Affiliate  to terminate the  employment of the
    Participant, (iv) the conviction of the Participant of the commission of any
    criminal offense which involves  dishonesty or breach of  trust, or (v)  any
    intentional  breach  by the  Participant of  a  material term,  condition or
    covenant of any agreement between the Participant and the Partnership or any
    Affiliate.
 
        (j)  "Participant" means an officer or key employee who is designated to
    participate in the Plan as provided in Article II.
 
        (k) "Partnership" means Duke Realty Services Limited Partnership.
 
        (l) "Permanent and  Total Disability"  means any  disability that  would
    qualify as a disability under Code Section 22(e)(3).
 
        (m)  "Per  Share Value"  means  the per  share  New York  Stock Exchange
    closing price for the Company's common stock on the date of determination.
 
        (n) "Plan" means the dividend increase plan embodied herein, as  amended
    from  time to time,  known as the  1995 Dividend Increase  Unit Plan of Duke
    Services Limited Partnership.
 
        (o) "Section 16 Grantee" means  a person subject to potential  liability
    under  Section  16(b)  of  the Exchange  Act  with  respect  to transactions
    involving equity securities of the Company.
 
        (p) "Subsidiary" or "Subsidiaries"  means a corporation, partnership  or
    limited  liability  company, a  majority  of the  outstanding  voting stock,
    general partnership interests or membership interest, as the case may be, of
    which is owned or controlled directly or indirectly, by the Partnership,  by
    the  Company or by one or more  other Subsidiaries. For the purposes of this
    definition, "voting stock" means stock having voting power for the  election
    of  directors, or trustees, as the case may be, whether at all times or only
    so long as no senior class of stock  has such voting power by reason of  any
    contingency.
 
        (r) "Unit" means a dividend increase unit granted under Section 3.1.
 
    1.5.   SHARES COVERED BY THE PLAN.   The stock which may be issued under the
Plan in connection  with the  exercise of Units  shall be  shares of  authorized
common  stock of  the Company  and may be  unissued shares  or reacquired shares
(including shares purchased in the open market), or a combination of the two, as
the Committee may from time to time determine. Provided, however, subject to the
provisions of Section 5.2  and the provisions of  this Section 1.5, the  maximum
number of shares to be
 
                                      B-2
<PAGE>
delivered upon the exercise of all Units granted under the Plan shall not exceed
One  Hundred Thousand (100,000)  shares. Shares covered  by the grant  of a Unit
that remains unexercised upon the expiration  or termination of the Unit may  be
made subject to further grants of Units.
 
                                   ARTICLE II
 
                         ELIGIBILITY AND PARTICIPATION
 
    Participation  in the Plan is limited to those officers and key employees of
the Partnership and its Affiliates who,  from time to time, shall be  designated
by  the Committee. Committee members shall not  be eligible to receive grants of
Units under this Plan while serving as Committee members. A designated  employee
will  become a Participant in the Plan as  of the later of the Effective Date or
the date specified by the Committee.
 
                                  ARTICLE III
 
                                    BENEFITS
 
    3.1.  GRANT OF UNITS.  The Committee, in its sole discretion, may grant  one
(1)  or more Units to a Participant upon his entry into the Plan. The Committee,
in its sole discretion, may also grant additional Units to a Participant at  any
time  after the initial grant. Provided, however, notwithstanding any other Plan
provision, during any calendar year, no Participants shall be granted more  than
twenty five thousand (25,000) Units.
 
    3.2.   EXERCISE OF UNITS.   A Participant may  exercise his Units subject to
the following requirements:
 
        (a)  VESTING OF UNITS:  A Participant must be vested in a Unit in  order
    for  that Unit to be exercised. For this purpose, the Committee will specify
    the vesting schedule  for each  Unit it  grants at  the time  of the  grant.
    Notwithstanding  the  foregoing, a  Participant will,  as of  the date  of a
    Change in Control  of the Company  or his termination  of employment due  to
    Permanent  and  Total  Disability,  retirement  on  or  after  attaining age
    sixty-five (65) or death,  become fully vested in  all Units that have  been
    granted to him.
 
        (b)   TIMING  OF EXERCISE:   A Unit must  be exercised on  or before the
    tenth anniversary of the date on which  it was granted. If not exercised  on
    or before that date, the Unit will expire and be forfeited.
 
        (c)   PRIOR EXERCISE OF  STOCK OPTIONS.  Units  may be exercised only to
    the extent that  the same or  a greater  number of shares  of the  Company's
    common stock have been acquired by the Participant through the exercise of a
    stock  option which was  granted under the 1995  Key Employees' Stock Option
    Plan of Duke Realty Investments, Inc. (the "Stock Option Plan") on the  same
    date  on which the Units were granted.  Such acquisition may have been prior
    to or  simultaneous with  the exercise  of  such Units.  For example,  if  a
    Participant  was granted  an option under  the Stock Option  Plan to acquire
    five hundred (500) shares  of the Company's  stock on the  same date he  was
    granted  two hundred  (200) Units  under the  Plan, the  Participant may not
    exercise the two hundred (200) Units granted hereunder until he has acquired
    at least two hundred  (200) shares of stock  under that stock option  grant.
    Thus,  if the Participant has acquired  (or simultaneously acquires with his
    exercise of the  Units) one  hundred (100)  shares under  that stock  option
    grant,  he may at any time on or after the date of such acquisition exercise
    up to one  hundred (100)  Units hereunder,  as long  as all  the other  Plan
    conditions  and  limitations  have  been  satisfied  with  respect  to  such
    exercise, including  the  satisfaction by  the  Participant of  the  vesting
    requirements  applicable to  the Units  desired to  be exercised.  Shares of
    Company stock acquired by the exercise of an option granted under the  Stock
    Option  Plan on a date  other than the date on  which the Units were granted
    hereunder may not be used as a basis for the exercise of such Units.
 
                                      B-3
<PAGE>
        (d)   PRIOR  NOTICE  OF  EXERCISE.   The  Participant  must  notify  the
    Committee  of his intent to  exercise a Unit by  completing an election form
    authorized by the Committee and filing such form with the Committee at least
    ten (10) business days prior to the requested exercise date.
 
        (e)  TERMINATION  OF EMPLOYMENT.   All rights to  exercise a Unit  shall
    terminate  ninety (90)  days after the  effective date  of the Participant's
    termination of employment with the  Partnership and its Affiliates, but  not
    later  than the  date the  Unit expires pursuant  to its  terms, unless such
    termination is  For  Cause or  is  on account  of  the Permanent  and  Total
    Disability  or death  of the  Participant. Transfer  of employment  from the
    Partnership  to  an  Affiliate,  or  vice  versa,  shall  not  be  deemed  a
    termination  of  employment.  The  Committee  shall  have  the  authority to
    determine in each case whether a leave of absence on military or  government
    service  shall be  deemed a termination  of employment for  purposes of this
    subsection (e). However,  if a  Participant's employment  terminates due  to
    Permanent  and Total  Disability or death,  his right to  exercise his Units
    shall expire one (1) year after his termination of employment (but not later
    than the date the Unit expires  pursuant to its terms). During such  period,
    subject to the limitations of this Plan and the Unit grant, the Participant,
    his  guardian, attorney-in-fact or personal  representative, as the case may
    be, may exercise his Unit in full.
 
        (f)  FOR  CAUSE TERMINATION.   If  a Participant's  employment with  the
    Partnership  and  its  Affiliates  is terminated  For  Cause,  no previously
    unexercised Unit granted hereunder may be exercised. Rather, all unexercised
    Units shall terminate effective on the date the Participant receives  notice
    of his termination For Cause.
 
        (g)  WITHHOLDING OF TAXES.  Each Participant shall be solely responsible
    for,  and the Partnership will withhold  from any amounts payable under this
    Plan, all  legally  required  federal,  state, city  and  local  taxes.  The
    Committee,  in its discretion and subject to such rules as it may adopt, may
    permit a Participant to  satisfy, in whole or  in part, any withholding  tax
    obligation  which  may arise  in connection  with his  exercise of  Units by
    having the  Partnership retain  shares  of stock  which would  otherwise  be
    issued  in connection with the exercise of the Units or accept delivery from
    the Participant of shares of Company stock which have a value, determined as
    of the  date  of  the delivery  of  such  shares, equal  to  the  amount  of
    withholding tax to be satisfied by that retention or delivery.
 
    3.3.   CALCULATION OF UNIT VALUE.  Upon the exercise date, the Unit or Units
being exercised will be  valued for all purposes  under this Plan in  accordance
with  the  following formula.  First,  the Per  Share Value  of  a share  of the
Company's common stock as of  the effective date on  which the Unit was  granted
will  be determined. Second, the  quarterly cash dividend rate  per share of the
Company's common stock most recently declared prior to the effective date of the
grant will  be  determined and  annualized  (multiplied by  four).  Third,  that
annualized cash dividend will be divided by the Per Share Value on the effective
date  of the grant to  set the grant date  dividend yield. Fourth, the quarterly
cash dividend  rate per  share of  the  Company's common  stock which  was  most
recently  declared  on  or  before  the exercise  date  will  be  determined and
annualized (multiplied  by four).  Fifth, the  annualized cash  dividend on  the
effective  date  of the  grant (as  determined  under the  second step)  will be
subtracted from  the annualized  dividend on  the exercise  date (as  determined
under  the  fourth  step)  to  determine the  increase  in  the  annualized cash
dividend. Sixth, the amount of the increase (as determined under the third step)
to establish the Unit's  value on the  exercise date. For  all purposes of  this
Plan,  if there is no Per Share Value for  Company stock on the date on which an
event which requires the stock  to be valued, the per  share value shall be  the
Per  Share Value for Company stock on the trading date immediately preceding the
date on which the stock is required to be valued.
 
    For example, if  the Per  Share Value  of a share  of Company  stock on  the
effective  date of a Unit's grant was $30.00, the quarterly dividend rate on the
date of grant was $0.49 and the quarterly dividend rate on the date of  exercise
was  $0.55, then the Unit's  value at exercise would  be $3.67, determined under
the six steps in the preceding paragraph as follows:
 
        (1) $30.00 [NYSE Closing Price on Date of Grant]
 
                                      B-4
<PAGE>
        (2) $1.96 [$0.49 (Company's Quarterly Cash Dividend on Date of Grant)  X
    4]
 
        (3) 6.5333% [ (2)/(1) ]
 
        (4) $2.20 [$0.55 (Company's Quarterly Cash Dividend on Date of Exercise)
    X 4]
 
        (5) $0.24 [$2.20 - $1.96 = Increase in Annualized Cash Dividend]
 
        (6) $3.67 [ (5)/(3) ]
 
If the Participant had been granted one hundred (100) Units and he exercised all
of  those Units, he would be entitled  to receive whole shares of Company common
stock with a value of $367 based on the Per Share Value on the date of exercise.
(The number of shares to be distributed is described under Section 4.2.)
 
                                   ARTICLE IV
 
                                 DISTRIBUTIONS
 
    4.1.  TIME OF  PAYMENT.  The  Partnership will pay  to each Participant  the
value of the Unit or Units, rounded to the nearest whole share of Company common
stock,  with respect to which  a proper and timely  election has been made. Such
payment shall be made as soon as practicable following the exercise date.
 
    4.2.  MANNER  OF PAYMENT.   Distribution  of a  Participant's benefit  under
Section  4.1 will be made  in a single lump  sum in the form  of whole shares of
Company common stock. The number of shares  to be issued under this Section  4.2
will  be based on  the Per Share  Value on the  exercise date of  the Units. For
example, if the  Per Share  Value on  the date of  exercise was  $50.00 and  the
payment  amount determined  under Section 3.3  (reduced by  any tax withholdings
pursuant to Section 3.2(g))  was $367.00, the Participant  would be entitled  to
receive seven (7) shares of Company stock (367/50 = 7.34). On the other hand, if
the payment amount determined under Section 3.3 (reduced by any tax withholdings
pursuant  to Section 3.2(g))  was $380.00, the Participant  would be entitled to
receive eight (8) shares of Company stock ($380/50 = 7.60).
 
    4.3.  DISTRIBUTION  ON CHANGE OF  CONTROL.  Notwithstanding  any other  Plan
provision  to the contrary, each Participant will be entitled to receive, within
ninety (90) days of a Change in Control  of the Company, a lump sum payment,  in
cash,  of the value of his Units determined  under Section 3.3 as of the date of
the Change in Control  of the Company. Provided,  however no distribution  under
the  Plan shall be made to a Participant who is a Section 16 Grantee as a result
of a Change  in Control of  the Company until  six (6) months  from the date  on
which the Units were granted to the Participant. This limitation shall not apply
if  the Section 16 Grantee dies or incurs a mental or physical disability which,
in the  opinion of  the Committee,  renders  the Section  16 Grantee  unable  or
incompetent  to carry out the job responsibilities which such Section 16 Grantee
held or the tasks to which such Section 16 Grantee was assigned at the time  the
disability  was  incurred,  and which  is  expected  to be  permanent  or  of an
indefinite duration.
 
                                   ARTICLE V
 
                                 MISCELLANEOUS
 
    5.1.  AMENDMENT  OR TERMINATION.   The Board of  Directors or the  Committee
may,  at  any time,  without the  approval  of the  stockholders of  the Company
(except as otherwise required by applicable law, rule or regulations, or listing
requirements of any National Securities Exchange on which are listed any of  the
Company's  equity  securities,  including  without  limitation  any  shareholder
approval requirement of Rule 16b-3 or any successor safe harbor rule promulgated
under the Exchange Act), alter, amend,  modify, suspend or discontinue the  Plan
but  may not, without the  consent of the holder of  a Unit, make any alteration
which would  adversely affect  a  Unit previously  granted  under the  Plan  or,
without  the approval  of the stockholders  of the Company,  make any alteration
which would:
 
                                      B-5
<PAGE>
(a) increase the aggregate  number of shares which  could be issued pursuant  to
the  exercise of Units  under the Plan,  except as provided  in Section 5.2; (b)
permit any Committee member to become eligible to receive grants of Units  under
the  Plan; (c)  withdraw administration  of the Plan  from the  Committee or the
Board of Directors; (d) extend the term of the Plan or the maximum period during
which any Unit may be exercised; (e) change the manner of calculating the  value
of Units; or (f) change the class of individuals eligible for the grant of Units
under the Plan.
 
    5.2.  CHANGES IN STOCK.
 
    (a)   SUBSTITUTION  OF STOCK AND  ASSUMPTION OF PLAN.   In the  event of any
change in the common  stock of the Company  through stock dividends,  split-ups,
recapitalizations, reclassifications, conversions, or otherwise, or in the event
that  other stock shall be converted into  or substituted for the present common
stock of the Company as a result of any merger, consolidation, reorganization or
similar transaction which results  in a Change in  Control of the Company,  then
the  Committee may make appropriate adjustment  or substitution in the aggregate
number, price, and kind of  shares to be distributed under  the Plan and in  the
calculation  of  a  Unit's  value  provided  in  Section  3.3.  The  Committee's
determination in this respect shall be final and conclusive. Provided,  however,
that  the  Partnership  shall  not,  and shall  not  permit  its  Affiliates to,
recommend, facilitate  or  agree  or  consent to  a  transaction  or  series  of
transactions which would result in a Change of Control of the Company unless and
until the person or persons or entity or entities acquiring or succeeding to the
assets  or capital stock of the Company or  any of its Affiliates as a result of
such transaction or transactions agrees to be bound by the terms of the Plan  so
far  as it pertains to  Units theretofore granted but  unexercised and agrees to
assume and perform the obligations of the Partnership hereunder.
 
    (b)  CONVERSION  OF STOCK.   In  the event  of a  Change in  Control of  the
Company  pursuant  to which  another person  or entity  acquires control  of the
Company (such other person or entity being the "Successor"), the kind of  shares
of common stock which shall be subject to the Plan and to each outstanding Unit,
shall,  automatically, by virtue  of such Change  in Control of  the Company, be
converted into and replaced by  shares of common stock,  or such other class  of
securities  having rights and preferences no less favorable than common stock of
the Successor, and the  calculation of a Unit's  value shall be  correspondingly
adjusted,  so that,  by virtue of  such Change  in Control of  the Company, each
Participant shall have  the right  to receive that  number of  shares of  common
stock  of the Successor which have a fair  market value equal, as of the date of
such Change in Control of the Company, to the fair market value, as of the  date
of  such Change in Control of the Company,  of the shares of common stock of the
Company to which the Units relate.
 
    5.3.  INFORMATION  TO BE FURNISHED  BY PARTICIPANTS.   Participants, or  any
other  persons  entitled  to  benefits  under this  Plan,  must  furnish  to the
Committee such documents, evidence, data  or other information as the  Committee
considers  necessary or desirable for the purpose of administering the Plan. The
benefits under  the Plan  for each  Participant, and  each other  person who  is
entitled  to benefits  hereunder, are  to be provided  on the  condition that he
furnish full, true and complete data, evidence or other information, and that he
will promptly sign any document reasonably related to the administration of  the
Plan requested by the Committee.
 
    5.4.    EMPLOYMENT RIGHTS.    The Plan  does  not constitute  a  contract of
employment and participation in the Plan  will not give a Participant the  right
to  be  rehired  or  retained  in  the  employ  of  the  Partnership,  nor  will
participation in the Plan give any Participant any right or claim to any benefit
under the Plan, unless  such right or claim  has specifically accrued under  the
terms of the Plan.
 
    5.5.    EVIDENCE.   Evidence required  of anyone  under the  Plan may  be by
certificate, affidavit, document or other  information which the person  relying
thereon  considers pertinent and reliable, and  signed, made or presented by the
proper party or parties.
 
    5.6.  GENDER AND NUMBER.  Where  the context admits, words in the  masculine
gender  shall include the feminine gender, the plural shall include the singular
and the singular shall include the plural.
 
                                      B-6
<PAGE>
    5.7.  ACTION BY  PARTNERSHIP.  Any  action required of  or permitted by  the
Partnership  under the Plan shall be by  resolution of the Board of Directors or
by a person or persons authorized by resolution of the Board of Directors.
 
    5.8.  CONTROLLING  LAWS.  Except  to the  extent superseded by  laws of  the
United  States, the laws of Indiana shall be controlling in all matters relating
to the Plan.
 
    5.9.  MISTAKE OF FACT.  Any mistake of fact or misstatement of fact shall be
corrected when it becomes known and proper adjustment made by reason thereof.
 
    5.10.  SEVERABILITY.  In the event any provisions of the Plan shall be  held
to be illegal or invalid for any reason, such illegality or invalidity shall not
affect  the remaining  parts of the  Plan, and  the Plan shall  be construed and
endorsed as if such  illegal or invalid provisions  had never been contained  in
the Plan.
 
    5.11.  EFFECT OF HEADINGS.  The descriptive headings of the sections of this
Plan  are inserted for  convenience of reference and  identification only and do
not constitute a part of this Plan for purposes of interpretation.
 
    5.12.  NONTRANSFERABILITY.   No Unit  shall be transferable,  except by  the
Participant's   will  or  the  law  of  descent  and  distribution.  During  the
Participant's  lifetime,  his   Unit  shall  be   exercisable  (to  the   extent
exercisable)  only by  him. The  Unit and  any rights  and privileges pertaining
thereto shall not be  transferred, assigned, pledged or  hypothecated by him  in
any  way, whether by operation  of law or otherwise and  shall not be subject to
execution, attachment or similar process.
 
    5.13.  LIABILITY.  No member of  the Board of Directors or the Committee  or
any officer or employee of the Partnership or its Affiliates shall be personally
liable  for  any  action,  omission  or  determination  made  in  good  faith in
connection with the Plan. By participating in the Plan, each Participant  agrees
to  release  and  hold  harmless  the  Partnership,  the  Affiliates  (and their
respective directors, officers and employees) and the Committee from and against
any  tax  liability,  including  without  limitation,  interest  and  penalties,
incurred by the Participant in connection with his participation in the Plan.
 
    5.14.   FUNDING.  Benefits payable under this  Plan to a Participant or to a
beneficiary will be paid by the  Partnership from its general assets. Shares  of
the  Company  stock  to  be  distributed  hereunder  shall  be  acquired  by the
Partnership  either  directly  from  the  Company,  on  the  open  market  or  a
combination  thereof. The Partnership is not  required to segregate on its books
or otherwise establish any funding procedure for  any amount to be used for  the
payment  of benefits under this Plan. The  Partnership may, however, in its sole
discretion, set funds aside in  investments to meet its anticipated  obligations
under the Plan. Any such action or set-aside may not be deemed to create a trust
of  any kind between  the Partnership and  any Participant or  beneficiary or to
constitute the funding of any  Plan benefits. Consequently, any person  entitled
to  a payment under the Plan will have  no rights greater than the rights of any
other unsecured creditor of the Partnership.
 
                                          DUKE REALTY SERVICES LIMITED
                                          PARTNERSHIP
 
Dated: October 26, 1995                   By:        /s/  DAVID R. MENNEL
 
                                             -----------------------------------
                                             David R. Mennel, President of Duke
                                             Services, Inc., its General Partner
 
                                      B-7
<PAGE>
                                                                       EXHIBIT C
 
                          1995 SHAREHOLDER VALUE PLAN
                                       OF
                    DUKE REALTY SERVICES LIMITED PARTNERSHIP
 
                                   ARTICLE I
 
                                  INTRODUCTION
 
    1.1.   PURPOSE.   The  1995 Shareholder Value  Plan of  Duke Realty Services
Limited Partnership (the "Plan") is designed to retain selected officers and key
employees of the Partnership and to encourage the growth of the Partnership  and
its  Affiliates, by  rewarding those officers  and key  employees for increasing
Company shareholders' return on their investment.
 
    1.2.  EFFECTIVE DATE.   The Effective Date of the  Plan is October 1,  1995.
Provided,  however, the  Committee may,  in its  discretion, grant  bonus awards
under the Plan the terms of which  provide that the effective date of the  bonus
award is on or after January 1, 1995.
 
    1.3.   ADMINISTRATION.  The Plan shall be administered by the Committee. The
Committee, from time to time, may adopt any rule or procedure it deems necessary
or desirable for the proper and  efficient administration of the Plan,  provided
it  is consistent with the terms of the  Plan. The decision of a majority of the
Committee  members  shall  constitute  the   decision  of  the  Committee.   The
Committee's determinations and interpretations with respect to the Plan shall be
final and binding on all parties. Any notice or document required to be given to
or  filed with  the Committee will  be properly  given or filed  if delivered or
mailed by certified  mail, postage prepaid,  to the Committee  at 8888  Keystone
Crossing, Suite 1200, Indianapolis, Indiana 46240-2182.
 
    1.4.  DEFINITIONS.  For purposes of this Plan, unless a different meaning is
clearly required by the context:
 
        (a)  "Affiliate" or  "Affiliates" means (i)  any general  partner of the
    Partnership, (ii)  any  entity  which  owns  a  majority  of  the  ownership
    interests  of the Partnership, (iii) any entity  that owns a majority of the
    ownership interests  of an  entity described  in clause  (i) or  (ii) or  an
    Affiliate of any such entity, or (iv) a Subsidiary.
 
        (b)  "Board of Directors" means the board of directors of Duke Services,
    Inc.
 
        (c)  "Change  in  Control  of   the  Company"  means  (i)  any   merger,
    consolidation or similar transaction which involves the Company and in which
    persons  who are the  shareholders of the Company  immediately prior to such
    transaction own, immediately after such transaction, shares of the surviving
    or combined entity which possess voting  rights equal to or less than  fifty
    percent  (50%)  of the  voting rights  of all  shareholders of  such entity,
    determined on  a  fully  diluted  basis; (ii)  any  sale,  lease,  exchange,
    transfer  or  other  disposition  of  all or  any  substantial  part  of the
    consolidated assets  of the  Company; (iii)  any tender,  exchange, sale  or
    other disposition (other than disposition of the stock of the Company or any
    Subsidiary   in   connection  with   bankruptcy,   insolvency,  foreclosure,
    receivership  or  other  similar  transactions)  or  purchases  (other  than
    purchases  by the Company or any Company sponsored employee benefit plan, or
    purchases by  members  of the  board  of directors  of  the Company  or  any
    Subsidiary) of shares which represent more than twenty-five percent (25%) of
    the voting power of the Company or any Subsidiary; (iv) during any period of
    two  (2) consecutive years, individuals  who at the date  of the adoption of
    the Plan constitute the Company's board of directors cease for any reason to
    constitute at least a majority thereof, unless the election of each director
    at the beginning of such period has been approved by directors  representing
    at  least a majority of  the directors then in  office who were directors on
    the date of the adoption of the Plan; (v) a majority of the Company's  board
    of
 
                                      C-1
<PAGE>
    directors  recommends the acceptance  of or accept  any agreement, contract,
    offer or  other arrangement  providing for,  or any  series of  transactions
    resulting  in, any of the  transactions described above. Notwithstanding the
    foregoing, a Change  in Control  of the  Company (A)  shall not  occur as  a
    result of the issuance of stock by the Company in connection with any public
    offering  of its stock or (B) be deemed to have occurred with respect to any
    transaction unless such transaction  has been approved  or shares have  been
    tendered by a majority of the shareholders who are not Section 16 Grantees.
 
        (d) "Code" means the Internal Revenue Code, as amended.
 
        (e)  "Committee" means the Executive Compensation Committee of the board
    of directors of the Company.
 
        (f) "Company" means Duke Realty Investments, Inc.
 
        (g) "Effective Date" means October 1, 1995.
 
        (h) "Exchange  Act"  means  the  Securities Exchange  Act  of  1934,  as
    amended.
 
        (i)  "Fair Market Value of Company  Common Stock" means, on any specific
    date, the average Per Share  Value for a share  of Company common stock  for
    the thirty (30) trading pays preceding such date.
 
        (j)    "For Cause"  means (i)  the  willful and  continued failure  of a
    Participant to perform his required duties as an officer or employee of  the
    Partnership  or  any  Affiliate,  (ii) any  action  by  a  Participant which
    involves willful misfeasance or gross  negligence, (iii) the requirement  of
    or  direction by a federal or state regulatory agency which has jurisdiction
    over the Partnership  or any Affiliate  to terminate the  employment of  the
    Participant, (iv) the conviction of the Participant of the commission of any
    criminal  offense which involves  dishonesty or breach of  trust, or (v) any
    intentional breach  by the  Participant  of a  material term,  condition  or
    covenant of any agreement between the Participant and the Partnership or any
    Affiliate.
 
        (k)  "Grant Date"  means, with respect  to a bonus  award, the effective
    date of the grant of the bonus award to the Participant under Section 3.1.
 
        (l) "Participant" means an officer or key employee who is designated  to
    participate in the Plan as provided in Article II.
 
        (m) "Partnership" means Duke Realty Services Limited Partnership.
 
        (n)  "Performance Period" means,  with respect to  a bonus award granted
    pursuant to  Section 3.1,  the period  beginning on  the Grant  Date of  and
    ending on the Valuation Date for that bonus award.
 
        (o)  "Permanent and  Total Disability"  means any  disability that would
    qualify as a disability under Code Section 22(e)(3).
 
        (p) "Per  Share Value"  means  the per  share  New York  Stock  Exchange
    closing price for the Company's common stock on the date of determination.
 
        (q)  "Plan" means the shareholder value plan embodied herein, as amended
    from time to time, known as the 1995 Shareholder Value Plan of Duke Services
    Limited Partnership.
 
        (r) "Section 16 Grantee" means  a person subject to potential  liability
    under  Section  16(b)  of  the Exchange  Act  with  respect  to transactions
    involving equity securities of the Company.
 
        (s) "Subsidiary" or "Subsidiaries"  means a corporation, partnership  or
    limited  liability  company, a  majority  of the  outstanding  voting stock,
    general partnership interests or membership interest, as the case may be, of
    which  is   owned   or   controlled   directly   or   indirectly,   by   the
 
                                      C-2
<PAGE>
    Partnership,  the  Company or  by one  or more  other Subsidiaries.  For the
    purposes of this definition, "voting stock" means stock having voting  power
    for  the election of directors, or trustees,  as the case may be, whether at
    all times or only so long as no senior class of stock has such voting  power
    by reason of any contingency.
 
        (t)  "Total Shareholder Return"  means the percentage  by which the Fair
    Market Value of Company Common Stock as of the Valuation Date, increased  by
    an  amount that would be  realized if all cash dividends  paid on a share of
    Company common  stock  during  the Performance  Period  were  reinvested  in
    Company  stock, exceeds the Fair Market Value  of Company Common Stock as of
    the Grant Date.
 
        (u) "Valuation Date"  means, with respect  to a bonus  award, the  third
    anniversary of the bonus award's Grant Date.
 
    1.5.   SHARES COVERED BY THE PLAN.  The  stock to be subject to the grant of
bonus awards under the Plan  shall be shares of  authorized common stock of  the
Company  and  may  be unissued  shares  or reacquired  shares  (including shares
purchased in the open market), or a combination of the two, as the Committee may
from time to  time determine. Provided,  however, subject to  the provisions  of
Section 5.2 and the provisions of this Section 1.5, the maximum number of shares
to be delivered in connection with all bonus awards granted under the Plan shall
not  exceed One  Hundred Thousand  (100,000) shares.  Shares covered  by a bonus
award that are forfeited or otherwise terminate may be made subject to the grant
of additional bonus awards.
 
                                   ARTICLE II
 
                         ELIGIBILITY AND PARTICIPATION
 
    Participation in the Plan is limited to those officers and key employees  of
the  Partnership and its Affiliates who, from  time to time, shall be designated
by the  Committee. Committee  members shall  not be  eligible to  receive  bonus
awards under this Plan while serving as Committee members. A designated employee
will  become a Participant in the Plan as  of the later of the Effective Date or
the date specified by the Committee.
 
                                  ARTICLE III
 
                                    BENEFITS
 
    3.1.  GRANT  OF BONUS AWARD.   The  Committee, in its  sole discretion,  may
grant  a bonus award  to a Participant upon  his entry into  the Plan. The bonus
award will be a specified dollar amount set by the Committee at the time of  the
award.  The Committee, in  its sole discretion, may  also grant additional bonus
awards to a Participant at any time after the initial grant.
 
    3.2.   PAYMENT  OF  BONUS AWARD.    The  bonus award  amount  granted  to  a
Participant  under Section 3.1 will be adjusted pursuant to the terms of Section
3.3 and,  subject  to  the terms  and  conditions  of this  Plan,  paid  to  the
Participant  in accordance  with Article  IV after  the bonus  award's Valuation
Date.
 
    3.3.  BONUS AWARD ADJUSTMENT.  Each bonus award will be adjusted under  this
Section  3.3 by multiplying  the bonus award by  the combined payout percentage.
The combined payout  percentage will  be determined  by 1)  comparing the  Total
Shareholder  Return during the bonus award's  Performance Period to both the S&P
500   Index   and   the   NAREIT    Equity   REIT   Total   Return   Index    to
 
                                      C-3
<PAGE>
determine  the  percentile  ranking of  the  Company relative  to  the companies
comprising these indices, 2)  establishing a payout percentage  for each of  the
two  indices  by  determining  the payout  percentage  that  corresponds  to the
percentile ranking as listed in the following table:
 
<TABLE>
<CAPTION>
                                                                                  THE PAYOUT
IF THE PERCENTILE RANKING IS:                                                   PERCENTAGE IS:*
- ------------------------------------------------------------------------------  ---------------
<S>                                                                             <C>
Lower than 50%................................................................            0%
50%...........................................................................           50%
55%...........................................................................           75%
60%...........................................................................          100%
65%...........................................................................          130%
70%...........................................................................          160%
75%...........................................................................          195%
80%...........................................................................          230%
85%...........................................................................          265%
90% or higher.................................................................          300%
</TABLE>
 
- ------------------------
*Payout percentages shall be interpolated. For example, a percentile ranking  of
 67% will result in a payout percentage of 142%.
 
and  3) calculating the simple average of the two (2) payout percentages. If one
(1) or both of the indices are changed or eliminated, the Committee may, in  its
sole discretion, substitute another index or multiple indices for the revised or
eliminated index.
 
    3.4.    BONUS AWARD  ADJUSTMENT  EXAMPLE.   If the  Per  Share Value  of the
Company's common stock  was $45.00 on  the Valuation Date,  $30.00 on the  Grant
Date,  with 12 dividends as  shown below, the Total  Shareholder Return would be
178.93%, determined as follows:
 
<TABLE>
<CAPTION>
                                                                                 TOTAL                   CUMULATIVE
                                                                               DIVIDENDS     SHARES        SHARES
                                            30 DAY                             ON SHARES    PURCHASED    PURCHASED
                                            AVERAGE    ACTUAL     PER SHARE      FROM         FROM          FROM       VALUE OF
                                            CLOSING    CLOSING    DIVIDEND    REINVESTED   REINVESTED    REINVESTED   CUMULATIVE
                                             PRICE      PRICE      PAYMENT     DIVIDENDS    DIVIDENDS   DIVIDENDS (1)   SHARES
                                           ---------  ---------  -----------  -----------  -----------  ------------  -----------
<S>                                        <C>        <C>        <C>          <C>          <C>          <C>           <C>
Grant Date...............................     30.000                                                      1,000.000     30,000.00
Dividend payment #1......................                28.000        0.49      490.000       17.500     1,017.500     28,490.00
Dividend payment #2......................                31.000        0.49      498.575       16.083     1,033.583     32,041.08
Dividend payment #3......................                33.000        0.49      506.456       15.347     1,048.930     34,614.70
Dividend payment #4......................                35.000        0.51      534.954       15.284     1,064.215     37,247.51
Dividend payment #5......................                42.000        0.51      542.749       12.923     1,077.137     45,239.76
Dividend payment #6......................                31.000        0.51      549.340       17.721     1,094.858     33,940.59
Dividend payment #7......................                28.000        0.51      558.378       19.942     1,114.800     31,214.40
Dividend payment #8......................                28.000        0.53      590.844       21.102     1,135.901     31,805.24
Dividend payment #9......................                38.000        0.53      602.028       15.843     1,151.744     43,766.28
Dividend payment #10.....................                43.000        0.53      610.424       14.196     1,165.940     50,135.43
Dividend payment #11.....................                52.000        0.53      617.948       11.884     1,177.824     61,246.84
Dividend payment #12.....................                43.000        0.55      647.803       15.065     1,912.889     51,294.23
Valuation Date...........................     45.000                                                                    53,680.01
</TABLE>
 
- ------------------------
(1) Assumes 1,000 shares owned at inception for calculation purposes.
 
             Value at Valuation Date                     $53,680.01
             Value at Grant Date                         $30,000.00
             Percentage Increase                            178.93%
 
If the percentile ranking for this  increase in Total Shareholder Return on  the
S&P 500 Index is 50 (a payout percentage of 50%), and the percentile ranking for
the increase in Total Shareholder Return on
 
                                      C-4
<PAGE>
the  NAREIT Equity REIT Total Return Index  is 65 (a payout percentage of 130%),
the adjusted bonus award for a Participant who was granted a $40,000 bonus award
would be $36,000, which is the bonus award ($40,000) multiplied by the  combined
payout percentage of 90% ([50% + 130%]/2).
 
    3.5.   WITHHOLDING OF  TAXES.  Each Participant  shall be solely responsible
for, and the Partnership will withhold from any amounts payable under this Plan,
all legally  required  federal, state,  city  and  local taxes.  To  the  extent
possible,  any withholdings will be made from the cash component of the lump sum
payment made under  Article IV. However,  the Committee, in  its discretion  and
subject  to such rules as it may adopt,  may permit a Participant to satisfy, in
whole or in part,  any withholding tax obligation  which may arise hereunder  by
having the Partnership retain shares of stock which would otherwise be issued in
connection  therewith  or  accept delivery  from  the Participant  of  shares of
Company stock which have a value, determined  as of the date of the delivery  of
such  shares, equal  to the amount  of withholding  tax to be  satisfied by that
retention or delivery.
 
    3.6.   EARLY  TERMINATION OF  BONUS  AWARD.   If  a  Participant  terminates
employment  prior to  a Valuation  Date, all rights  to receive  any bonus award
which would have otherwise been payable  on the Valuation Date shall expire  and
be  forfeited unless such termination  is on account of  the Permanent and Total
Disability or death of the Participant or is after the Participant has  attained
age  sixty-five  (65).  Transfer  of  employment  from  the  Partnership  to  an
Affiliate, or vice versa, shall not  be deemed a termination of employment.  The
Committee  shall have the authority to determine in each case whether a leave or
absence on  military or  government service  shall be  deemed a  termination  of
employment for purposes of this Section 3.6.
 
    3.7.      PERMANENT   AND   TOTAL  DISABILITY,   RETIREMENT   OR   DEATH  OF
PARTICIPANT.  If a Participant's employment terminates due to his Permanent  and
Total  Disability, retirement on or after age  sixty-five (65) or death prior to
the Valuation Date  applicable to  a bonus  award, the  Participant will  become
fully  vested  in  such  award  on  his  termination.  However,  payment  of the
Participant's bonus award  shall be made  as soon as  practicable following  the
date  on which the  bonus award would have  been paid if  his employment had not
terminated due to Permanent and Total Disability, retirement or death and  shall
be  paid  to  the  Participant,  his  guardian,  attorney-in-fact,  or  personal
representative, as the case may be.
 
                                   ARTICLE IV
 
                                 DISTRIBUTIONS
 
    4.1.  TIME OF  PAYMENT.  The  Partnership will pay  to each Participant  the
bonus  award amount, as  adjusted, as soon as  practicable following the award's
Valuation Date.
 
    4.2.  MANNER  OF PAYMENT.   Distribution  of a  Participant's benefit  under
Section 4.1 will be made in a single lump sum, fifty percent (50%) of which will
be  comprised of whole shares  of Company common stock  and the balance of which
will be comprised of cash. The number of shares of stock to be issued under this
Section 4.2 will be based on the  Per Share Value on the Valuation Date  rounded
to the nearest whole share.
 
    4.3.   DISTRIBUTION  ON CHANGE OF  CONTROL.  Notwithstanding  any other Plan
provision to the contrary, each Participant will be entitled to receive,  within
ninety  (90) days of a Change in Control  of the Company, a lump sum payment, in
cash, of the greater of (i) the  dollar amount of his bonus awards specified  by
the  Committee  under Section  3.1  or (ii)  the value  of  his bonus  awards as
adjusted under Section 3.3, calculated as if the Valuation Date was the date  of
the  Change in Control of the  Company. Provided, however, no distribution under
the Plan shall be made to a Participant who is a Section 16 Grantee as a  result
of  a Change in  Control of the  Company until six  (6) months from  the date on
which the bonus award was granted to the Participant. This limitation shall  not
apply  if the Section 16 Grantee dies  or incurs a mental or physical disability
which, in the opinion of the Committee, renders
 
                                      C-5
<PAGE>
the  Section  16   Grantee  unable  or   incompetent  to  carry   out  the   job
responsibilities  which such Section 16 Grantee held  or the tasks to which such
Section 16 Grantee  was assigned at  the time the  disability was incurred,  and
which is expected to be permanent or of an indefinite duration.
 
                                   ARTICLE V
 
                                 MISCELLANEOUS
 
    5.1.   AMENDMENT OR  TERMINATION.  The  Board of Directors  or the Committee
may, at  any time,  without the  approval  of the  stockholders of  the  Company
(except as otherwise required by applicable law, rule or regulations, or listing
requirements  of any National Securities Exchange on which are listed any of the
Company's  equity  securities,  including  without  limitation  any  shareholder
approval requirement of Rule 16b-3 or any successor safe harbor rule promulgated
under  the Exchange Act), alter, amend, modify, suspend or discontinue the Plan,
but may not,  without the consent  of a Participant,  make any alteration  which
would  adversely  affect a  bonus award  previously granted  under the  Plan or,
without the approval  of the stockholders  of the Company,  make any  alteration
which  would: (a) increase the aggregate number of shares subject to bonus award
grants under  the  Plan, except  as  provided in  Section  5.2; (b)  permit  any
Committee  member to become eligible to receive grants of bonus awards under the
Plan; (c) withdraw administration of the Plan from the Committee or the Board of
Directors; (d) extend the term of the Plan or the Valuation Date with respect to
any bonus award granted under the Plan; (e) change the manner of calculating the
bonus award  adjustment; or  (f) change  the class  of individuals  eligible  to
receive grants of bonus awards under the Plan.
 
    5.2.  CHANGES IN STOCK.
 
    (a)   SUBSTITUTION  OF STOCK AND  ASSUMPTION OF PLAN.   In the  event of any
change in the common  stock of the Company  through stock dividends,  split-ups,
recapitalizations, reclassifications, conversions, or otherwise, or in the event
that  other stock shall be converted into  or substituted for the present common
stock of the Company as a result of any merger, consolidation, reorganization or
similar transaction which results  in a Change in  Control of the Company,  then
the  Committee may make appropriate adjustment  or substitution in the aggregate
number, price, and kind of  shares to be distributed under  the Plan and in  the
calculation  of  the  bonus  award  adjustment  provided  in  Section  3.3.  The
Committee's determination  in  this  respect  shall  be  final  and  conclusive.
Provided,  however, that  the Partnership  shall not,  and shall  not permit its
Affiliates to, recommend,  facilitate or agree  or consent to  a transaction  or
series  of transactions which would result in a Change in Control of the Company
unless and  until the  person or  persons  or entity  or entities  acquiring  or
succeeding  to  the  assets  or capital  stock  of  the Company  or  any  of its
Affiliates as a result of such transaction or transactions agrees to be bound by
the terms of the Plan so far as it pertains to bonus awards theretofore  granted
but  unpaid and agrees to assume and  perform the obligations of the Partnership
hereunder.
 
    (b)  CONVERSION  OF STOCK.   In  the event  of a  Change in  Control of  the
Company  pursuant  to which  another person  or entity  acquires control  of the
Company (such other person or entity being the "Successor"), the kind of  shares
of common stock which shall be subject to the Plan and to each outstanding bonus
award, shall, automatically, by virtue of such Change in Control of the Company,
be converted into and replaced by shares of common stock, or such other class of
securities  having rights and preferences no less favorable than common stock of
the Successor, and,  if necessary,  the calculation of  bonus award  adjustments
shall  be correspondently adjusted, so that, by virtue of such Change in Control
of the Company, each Participant shall have the right to receive that number  of
shares  of common stock of  the Successor and cash  which have an aggregate fair
market value, equal, as of the date of such Change in Control of the Company, to
the aggregate fair market value, as of the date of such Change in Control of the
Company, of the  shares of common  stock of the  Company and cash  to which  the
bonus awards relate.
 
                                      C-6
<PAGE>
    5.3.   INFORMATION  TO BE FURNISHED  BY PARTICIPANTS.   Participants, or any
other persons entitled to benefits under the Plan, must furnish to the Committee
such documents, evidence, data or  other information as the Committee  considers
necessary  or desirable for the purpose  of administering the Plan. The benefits
under the Plan for each  Participant, and each other  person who is entitled  to
benefits  hereunder, are to be  provided on the condition  that he furnish full,
true and complete data, evidence or other information, and that he will promptly
sign any document reasonably related to the administration of the Plan requested
by the Committee.
 
    5.4.   EMPLOYMENT  RIGHTS.   The  Plan does  not  constitute a  contract  of
employment  and participation in the plan will  not give a Participant the right
to  be  rehired  or  retained  in  the  employ  of  the  Partnership,  nor  will
participation in the Plan give any Participant any right or claim to any benefit
under  the Plan, unless such  right or claim has  specifically accrued under the
terms of the Plan.
 
    5.5.   EVIDENCE.   Evidence required  of anyone  under the  Plan may  be  by
certificate,  affidavit, document or other  information which the person relying
thereon considers pertinent and reliable, and  signed, made or presented by  the
proper party or parties.
 
    5.6.   GENDER AND NUMBER.  Where  the context admits, words in the masculine
gender shall include the feminine gender, the plural shall include the  singular
and the singular shall include the plural.
 
    5.7.   ACTION BY  PARTNERSHIP.  Any  action required of  or permitted by the
Partnership under the Plan shall be by  resolution of the Board of Directors  or
by a person or persons authorized by resolution of the Board of Directors.
 
    5.8.   CONTROLLING  LAWS.  Except  to the  extent superseded by  laws of the
United States, the laws of Indiana shall be controlling in all matters  relating
to the Plan.
 
    5.9.  MISTAKE OF FACT.  Any mistake of fact or misstatement of fact shall be
corrected when it becomes known and proper adjustment made by reason thereof.
 
    5.10.   SEVERABILITY.  In the event any provisions of the Plan shall be held
to be illegal or invalid for any reason, such illegality or invalidity shall not
affect the remaining  parts of the  plan, and  the Plan shall  be construed  and
endorsed  as if such illegal  or invalid provisions had  never been contained in
the Plan.
 
    5.11.  EFFECT OF HEADINGS.  The descriptive headings of the sections of this
Plan are inserted for  convenience of reference and  identification only and  do
not constitute a part of this Plan for purposes of interpretation.
 
    5.12.   NONTRANSFERABILITY.  No bonus award shall be transferable, except by
the Participant's  will or  the  law of  descent  and distribution.  During  the
Participant's  lifetime, his bonus award shall be payable only to him. The bonus
award and any rights and privileges pertaining thereto shall not be transferred,
assigned, pledged or hypothecated by him in any way, whether by operation of law
or otherwise  and shall  not  be subject  to  execution, attachment  or  similar
process.
 
    5.13.   LIABILITY.  By participating in the Plan, each Participant agrees to
release and hold harmless the Partnership, the Affiliates (and their  respective
directors,  officers and employees) and the  Committee, from and against any tax
liability, including without limitation, interest and penalties, incurred by the
Participant in connection with his participation in the Plan.
 
    5.14.  FUNDING.  Benefits payable under  this Plan to a Participant or to  a
beneficiary  will be paid by the Partnership  from its general assets. Shares of
the Company's  stock  to be  distributed  hereunder  shall be  acquired  by  the
Partnership  either  directly  from  the  Company,  on  the  open  market  or  a
combination thereof. The Partnership is not  required to segregate on its  books
or  otherwise establish any funding procedure for  any amount to be used for the
payment of benefits under this Plan.  The Partnership may, however, in its  sole
discretion,  set funds aside in investments  to meet its anticipated obligations
under the Plan.  Any such  action or  set-aside may not  be deemed  to create  a
 
                                      C-7
<PAGE>
trust  of any kind between the Partnership and any Participant or beneficiary or
to constitute  the  funding  of  any Plan  benefits.  Consequently,  any  person
entitled to a payment under the Plan will have no rights greater than the rights
of any other unsecured creditor of the Partnership.
 
                                          DUKE REALTY SERVICES LIMITED
                                          PARTNERSHIP
 
Dated: October 26, 1995                   By:        /s/  DAVID R. MENNEL
 
                                             -----------------------------------
                                             David R. Mennel, President of Duke
                                             Services, Inc., its General Partner
 
                                      C-8
<PAGE>
                                                                       EXHIBIT D
 
                         DIRECTORS' STOCK PAYMENT PLAN
                                       OF
                         DUKE REALTY INVESTMENTS, INC.
 
    1.   PURPOSE.  The Directors' Stock Payment Plan of Duke Realty Investments,
Inc.  (the  "Plan")  is  designed  to  promote  the  interests  of  Duke  Realty
Investments,  Inc.  (the  "Company")  and  its  Subsidiaries  by  increasing the
proprietary interest in  the Company of  the members of  the Company's Board  of
Directors   (the   "Board").  For   purposes  of   the  Plan,   "Subsidiary"  or
"Subsidiaries" means a corporation, partnership or limited liability company,  a
majority  of  the outstanding  voting  stock, general  partnership  interests or
membership interests,  as the  case may  be, of  which is  owned or  controlled,
directly  or indirectly, by the Company or  by one or more other Subsidiaries of
the Company. For  the purposes of  this definition, "voting  stock" means  stock
having  voting power for the election of directors, or trustees, as the case may
be, whether at all times or  only so long as no  senior class of stock has  such
voting power by reason of any contingency.
 
    2.    ADMINISTRATION.   The Plan  will be  administered by  the Compensation
Committee of the Board (the "Committee"). The Committee, from time to time,  may
adopt  any rule or procedure it deems  necessary or desirable for the proper and
efficient administration of the Plan, provided  it is consistent with the  terms
of  the  Plan.  The  decision  of a  majority  of  the  Committee  members shall
constitute the decision  of the  Committee. The  Committee's determinations  and
interpretations  with respect  to the  Plan shall  be final  and binding  on all
parties. Any  notice or  document required  to be  given to  or filed  with  the
Committee  will be properly given  or filed if delivered  or mailed by certified
mail, postage prepaid, to the Committee  at 8888 Keystone Crossing, Suite  1200,
Indianapolis,  Indiana  46240-2182. Notwithstanding  any  Plan provision  to the
contrary, the Plan is intended to meet the requirements of Rule  16b-3(c)(2)(ii)
adopted under the Securities Exchange Act of 1934, as amended (or its successor)
("Act"), and accordingly is intended to be self-governing. To this end, the Plan
requires  no discretionary action by any  administrative body with regard to any
transaction  hereunder.  To  the   extent,  if  any,   that  any  questions   of
interpretation  arise,  such  questions  shall  be  resolved  by  the Committee.
Transactions  under  the  Plan  are  intended  to  comply  with  all  applicable
conditions  of Rule  16b-3 under  the Securities  Exchange Act  of 1934  (or its
successors). To the  extent any  provision of  this Plan  or any  action by  the
Committee  or the Board fails to so comply,  it shall be deemed null and void to
the extent permitted by law and deemed advisable by the Committee.
 
    3.  ELIGIBILITY.   Subject to  the terms  and conditions of  the Plan,  each
member  of the Board,  excluding those directors  who are also  employees of the
Company or a Subsidiary  (a "Director"), shall receive  shares of the  Company's
common stock under the Plan as described in Section 6. A Director shall cease to
be a Plan participant on the date he ceases to be a Director for any reason.
 
    4.   SHARES COVERED  BY THE PLAN.   The stock to  be subject to distribution
under the Plan shall be shares of authorized common stock of the Company and may
be unissued shares or reacquired shares (including shares purchased in the  open
market),  or a combination  of the two, as  the Committee may  from time to time
determine. Provided, however,  subject to the  provisions of Section  5 and  the
provisions  of this Section  4, the maximum  number of shares  to be distributed
under the Plan shall not exceed Twenty Thousand (20,000) shares.
 
    5.  ADJUSTMENTS.   If  the outstanding  shares of  stock of  the class  then
subject to the Plan are increased or decreased, or are changed into or exchanged
for a different number or kind of shares or securities as a result of one (1) or
more  reorganizations,  recapitalizations, stock  splits, reverse  stock splits,
stock dividends, spin-offs and the  like, appropriate adjustments shall be  made
in  the  number and/or  type  of shares  or  securities for  which  awards shall
thereafter be granted under the Plan.
 
    6.  PLAN BENEFITS.   Each Plan participant will  be entitled to receive  one
hundred fifty (150) shares of common stock of the Company for each full calendar
quarter during which he is actively serving as a Director of the Company. In the
event    a    participant   is    a   Director    for    less   than    a   full
 
                                      D-1
<PAGE>
calendar quarter, the number of shares he shall be entitled to receive hereunder
shall be based on a fraction the numerator of which is the number of days in the
calendar quarter during  which he serves  as a Director  and the denominator  of
which  is ninety (90). Distribution of shares  shall be made effective as of the
first day of the  calendar quarter (January  1, April 1, July  1 and October  1)
immediately  following  the calendar  quarter  to which  the  Director's service
relates. Distribution  of  those  shares  shall  be  made  on,  or  as  soon  as
practicable following, that date.
 
    7.   AMENDMENT AND DISCONTINUANCE.   The Board or  the Committee may, at any
time,  alter,  amend,  suspend  or  discontinue  the  Plan,  provided  that  (i)
shareholder  approval shall  be obtained to  the extent required  to comply with
Rule 16b-3  or  any  successor  exemptive  rule under  the  Act,  and  (ii)  the
provisions  of the Plan which designate  the individuals eligible to participate
in the Plan and specifying the amount and timing of grants under the Plan  shall
not  be amended more than  once every six (6) months,  other than to comply with
amendments to the Internal Revenue Code or the rules and regulations promulgated
thereunder.
 
    8.  LIABILITY.  No  member of the Board or  the Committee or any officer  or
employee  of the Company or its Subsidiaries  shall be personally liable for any
action, omission or  determination made  in good  faith in  connection with  the
Plan.
 
    9.   EFFECTIVE DATE  AND DURATION.   This Plan will  become effective on the
date it  is  approved  by a  majority  of  the shares  of  the  Company's  stock
represented at any annual meeting of the stockholders.
 
    10.   TAX WITHHOLDING.  The Company  shall withhold from any amounts payable
under this Plan all legally required federal, state, city and local taxes.
 
    11.   EVIDENCE.   Evidence  required of  anyone under  the  Plan may  be  by
certificate,  affidavit, document or other  information which the person relying
thereon considers pertinent and reliable, and  signed, made or presented by  the
proper party or parties.
 
    12.   GENDER AND NUMBER.   Where the context  admits, words in the masculine
gender shall include the feminine gender, the plural shall include the  singular
and the singular shall include the plural.
 
    13.   CONTROLLING  LAWS.   Except to  the extent  superseded by  laws of the
United States, the laws of Indiana shall be controlling in all matters  relating
to the Plan.
 
    14.   MISTAKE OF FACT.  Any mistake of fact or misstatement of fact shall be
corrected when it becomes known and proper adjustment made by reason thereof.
 
    15.  SEVERABILITY.  In the event any provisions of the Plan shall be held to
be illegal or invalid  for any reason, such  illegality or invalidity shall  not
affect  the remaining  parts of the  Plan, and  the Plan shall  be construed and
endorsed as if such  illegal or invalid provisions  had never been contained  in
the Plan.
 
    16.   EFFECT OF HEADINGS.  The  descriptive headings of the sections of this
Plan are inserted for  convenience of reference and  identification only and  do
not constitute a part of this Plan for purposes of interpretation.
 
    17.   COMPLIANCE WITH LAW.  Common stock  shall not be issued under the Plan
unless and until counsel for the Company shall be satisfied that any  conditions
necessary  for such issuance  to comply with applicable  federal, state or local
tax, securities  or  other  laws  or rules  or  applicable  securities  exchange
requirements  have  been  fulfilled. In  particular,  the Company  shall  not be
required to deliver any shares pursuant to  the Plan prior to (i) the  admission
of such shares to listing on any stock exchange on which the common stock of the
Company  may then be listed,  (ii) the completion of  such registration or other
qualification of such shares under state  or federal law, rule or regulation  as
the  Company shall  determine to  be necessary  or advisable,  and (iii)  to the
extent the shares are not so
 
                                      D-2
<PAGE>
registered or  qualified  under the  law  of any  applicable  jurisdiction,  the
receipt  by the Company of such representations  of the investment intent of the
recipient of the  shares as the  Company shall require  to comply with  federal,
state or local securities laws.
 
                                          DUKE REALTY INVESTMENTS, INC.
 
DATED: October 26, 1995                   By:        /s/ THOMAS L. HEFNER
 
                                             -----------------------------------
                                                        Thomas L. Hefner,
                                                  PRESIDENT AND CHIEF EXECUTIVE
                                                           OFFICER
 
                                      D-3
<PAGE>

PROXY                     DUKE REALTY INVESTMENTS, INC.                   PROXY
                       8888 KEYSTONE CROSSING, SUITE 1200
                          INDIANAPOLIS, INDIANA 46240
  THIS PROXY IS SOLICITED ON BEHALF OF THE BOARD OF DIRECTORS OF THE COMPANY

  The undersigned hereby appoints Darell E. Zink, Jr., Daniel C.
Staton and John R. Gaskin, and each of them, attorneys-in-fact and
proxies, with full power of substitution, to vote, as designated on
the reverse side of this proxy all shares of Common Stock of Duke
Realty Investments, Inc. which the undersigned would be entitled to
vote if personally present at the annual meeting of Shareholders to be
held on April 25, 1996, at 10:00 a.m. and at any adjournment thereof.

           (CONTINUED AND TO BE SIGNED ON THE OTHER SIDE)

<PAGE>


/x/ Please mark your votes as in this example.


                          FOR ALL NOMINEES   WITHHOLD          
                          LISTED AT RIGHT    AUTHORITY         NOMINEES:       
                          (except as         to vote for       Thomas L. Hefner
                          indicated to the   nominee(s)        L. Ben Lytle    
                          contrary below)    listed at right   John W. Wynne   

1.   ELECTION OF 
     DIRECTORS FOR A 
     TERM OF THREE 
     YEARS.                    / /                / /

     For, except vote withheld from the following nominee(s):

     ---------------------------------------------------------------------
                                                          FOR  AGAINST  ABSTAIN

2.   PROPOSAL TO APPROVE EXECUTIVE OFFICER 
     COMPENSATION PLANS.

     2A. PROPOSAL TO APPROVE THE 1995 STOCK 
         OPTION PLAN.                                    / /    / /      / /

     2B. VOTE TO APPROVE THE 1995 DIVIDEND 
         INCREASE UNIT PLAN.                             / /    / /      / /

     2C. VOTE TO APPROVE THE 1995 SHAREHOLDER 
         VALUE PLAN.                                     / /    / /      / /

3.   PROPOSAL TO APPROVE THE DIRECTORS STOCK 
     PAYMENT PLAN.                                       / /    / /      / /

In their discretion, the Proxies are authorized 
to vote upon such other business as may properly 
come before the meeting.

THIS PROXY WHEN PROPERLY EXECUTED WILL BE VOTED IN THE MANNER DIRECTED HEREIN 
BY THE UNDERSIGNED SHAREHOLDERS. IF NO DIRECTION IS MADE, THIS PROXY WILL BE 
VOTED FOR PROPOSALS 1 THROUGH 3.

The undersigned acknowledges receipt from Duke Realty Investments, Inc. prior 
to the execution of this proxy, or notice of the meeting, a proxy statement, 
and an annual report to shareholders.

PLEASE MARK, SIGN, DATE AND RETURN THE PROXY CARD PROMPTLY USING THE 
ENCLOSED ENVELOPE.

SIGNATURE __________________________________________  DATE ___________________


SIGNATURE __________________________________________  DATE ___________________
                (SIGNATURE IF HELD JOINTLY)


NOTE: Please sign exactly as name appears above. When shares are
      held as joint tenants, both should sign. When signing as attorney,
      executor, administrator, trustee, or guardian, please give full
      title as such. If a corporation, please sign in full corporate name
      by President or other authorized officer. If a partnership, please
      sign in partnership name by authorized person.

                                                    REVOCABLE PROXY



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