IRT PROPERTY CO
S-3, 1998-03-24
REAL ESTATE INVESTMENT TRUSTS
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<PAGE>   1
 
    AS FILED WITH THE SECURITIES AND EXCHANGE COMMISSION ON MARCH 24, 1998.
 
                                                     REGISTRATION NO. 333-
================================================================================
 
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549
                             ---------------------
 
                                    FORM S-3
                             REGISTRATION STATEMENT
                                     UNDER
                           THE SECURITIES ACT OF 1933
                             ---------------------
 
                              IRT PROPERTY COMPANY
             (Exact name of registrant as specified in its charter)
 
<TABLE>
<S>                                                          <C>
                          GEORGIA                                                     58-1366611
              (State or other jurisdiction of                                      (I.R.S. Employer
               incorporation or organization)                                   Identification Number)
</TABLE>
 
                             ---------------------
                        200 GALLERIA PARKWAY, SUITE 1400
                             ATLANTA, GEORGIA 30339
                                 (770) 955-4406
  (Address, including zip code, and telephone number, including area code, of
                   registrant's principal executive offices)
                             ---------------------
                             W. BENJAMIN JONES III
                        200 GALLERIA PARKWAY, SUITE 1400
                             ATLANTA, GEORGIA 30339
                                 (770) 955-4406
  (Address, including zip code, and telephone number, including area code, of
                               agent for service)
 
                                   COPIES TO:
                            RALPH F. MACDONALD, III
                               ALSTON & BIRD LLP
                              ONE ATLANTIC CENTER
                           1201 WEST PEACHTREE STREET
                          ATLANTA, GEORGIA 30309-3424
                                 (404) 881-7000
                             ---------------------
    APPROXIMATE DATE OF COMMENCEMENT OF PROPOSED SALE TO THE PUBLIC:  From time
to time after this Registration Statement becomes effective as determined by
market conditions and other factors.
    If the only securities being registered on this Form are being offered
pursuant to dividend or interest reinvestment plans, please check the following
box.  [ ]
    If any of the securities being registered on this Form are to be offered on
a delayed or continuous basis pursuant to Rule 415 under the Securities Act of
1933, other than securities offered only in connection with dividend or interest
reinvestment plans, check the following box.  [X]
    If this form is filed to register additional securities for an offering
pursuant to Rule 462(b) under the Securities Act, please check the following box
and list the Securities Act registration statement number of the earlier
effective registration statement for the same offering.  [ ]
    If this form is a post-effective amendment filed pursuant to Rule 462(c)
under the Securities Act, check the following box and list the Securities Act
registration statement number of the earlier effective registration statement
for the same offering.  [ ]
    If delivery of the prospectus is expected to be made pursuant to Rule 434,
please check the following box.  [ ]
                             ---------------------
                        CALCULATION OF REGISTRATION FEE
 
<TABLE>
<CAPTION>
=================================================================================================================================
                                                                     PROPOSED MAXIMUM     PROPOSED MAXIMUM
           TITLE OF EACH CLASS OF                 AMOUNT TO BE        OFFERING PRICE     AGGREGATE OFFERING       AMOUNT OF
       SECURITIES TO BE REGISTERED(1)           REGISTERED(2)(3)      PER UNIT(4)(5)       PRICE(3)(5)(6)      REGISTRATION FEE
- ---------------------------------------------------------------------------------------------------------------------------------
<S>                                           <C>                  <C>                  <C>                  <C>
Common Stock, $1.00 par value(7).............     $300,000,000             100%             $300,000,000           $88,500
Preferred Stock, $1.00 par value(7)..........
Depositary Shares(7).........................
Senior Debt Securities(7)....................
Subordinated Debt Securities(7)..............
Warrants(8)..................................
=================================================================================================================================
</TABLE>
 
(1) Such indeterminate number or principal amount of Common Stock, Preferred
    Stock, Depositary Shares, Senior Debt Securities, Subordinated Debt
    Securities and Warrants of the Company as may from time to time be issued at
    indeterminate prices. This Registration Statement also covers delayed
    delivery contracts that may be issued by the Company under which the party
    purchasing such contracts may be required to purchase Common Stock,
    Preferred Stock, Depositary Shares, Senior Debt Securities, Subordinated
    Debt Securities and Warrants. In addition, securities registered hereunder
    may be sold either separately or as units comprised of more than one type of
    security registered hereunder.
(2) In United States dollars or the equivalent thereof in any other currency,
    currency unit or units, or composite currency or currencies.
(3) Such amount represents the principal amount of any Senior Debt Securities or
    Subordinated Debt Securities issued at their principal amount, the issue
    price rather than the principal amount of any Senior Debt Securities or
    Subordinated Debt Securities issued at an original issue discount, the
    liquidation preference of any Preferred Stock or Depositary Shares, the
    amount computed pursuant to Rule 457(c) for any Common Stock, the issue
    price of any Warrants and the exercise price of any securities issuable upon
    exercise of Warrants.
(4) Estimated solely for the purpose of determining the registration fee.
(5) Exclusive of accrued interest and distributions, if any.
(6) No separate consideration will be received for the Common Stock, Preferred
    Stock, Depositary Shares, Senior Debt Securities and Subordinated Debt
    Securities issuable upon conversion of or in exchange for Preferred Stock,
    Depositary Shares, Senior Debt Securities, Subordinated Debt Securities and
    Warrants.
(7) Also includes such indeterminate shares of Common Stock, Preferred Stock, or
    Depositary Shares or number of Senior Debt Securities and Subordinated Debt
    Securities as may be issued upon conversion or exchange of any Preferred
    Stock, Depositary Shares, Senior Debt Securities or Subordinated Debt
    Securities that provide for conversion or exchange into other securities or
    upon exercise of Warrants for such securities.
(8) Warrants may be sold separately or with Common Stock, Preferred Stock, or
    Depositary Shares, Senior Debt Securities or Subordinated Debt Securities.
    THE REGISTRANT HEREBY AMENDS THIS REGISTRATION STATEMENT ON SUCH DATE OR
DATES AS MAY BE NECESSARY TO DELAY ITS EFFECTIVE DATE UNTIL THE REGISTRANT SHALL
FILE A FURTHER AMENDMENT WHICH SPECIFICALLY STATES THAT THIS REGISTRATION
STATEMENT SHALL THEREAFTER BECOME EFFECTIVE IN ACCORDANCE WITH SECTION 8(A) OF
THE SECURITIES ACT OF 1933, AS AMENDED, OR UNTIL THE REGISTRATION STATEMENT
SHALL BECOME EFFECTIVE ON SUCH DATE AS THE COMMISSION, ACTING PURSUANT TO SAID
SECTION 8(A), MAY DETERMINE.
 
================================================================================
<PAGE>   2
 
PROSPECTUS
- -----------------
 
                                   [IRT LOGO]
 
                              IRT PROPERTY COMPANY
 
                                  $300,000,000
               COMMON STOCK, PREFERRED STOCK, DEPOSITARY SHARES,
                          DEBT SECURITIES AND WARRANTS
                             ---------------------
     IRT Property Company (the "Company" or "IRT") may offer and sell from time
to time (i) shares of its common stock, par value $1.00 per share (the "Common
Stock"), (ii) shares of one or more series of its preferred stock, par value
$1.00 per share (the "Preferred Stock"), (iii) depositary shares representing
entitlement to all rights and preferences of a fraction of a share of Preferred
Stock of a specific series ("Depositary Shares"), (iv) one or more series of
debt securities ("Debt Securities"), consisting of debentures, notes and/or
other unsecured evidences of indebtedness, which may be unsubordinated ("Senior
Debt Securities") or subordinated to certain other obligations of the Company
("Subordinated Debt Securities"), or (v) warrants to purchase any of the
foregoing Common Stock, Preferred Stock, Depositary Shares, or Debt Securities
(the "Warrants"). Any such securities (the "Securities") may be offered
separately or together, in one or more separate classes or series, in amounts,
at prices and on terms determined at the time of the offering, and described in
one or more supplements to this Prospectus (each a "Prospectus Supplement").
     The specific terms of the particular Securities in respect of which this
Prospectus is being delivered (the "Offered Securities") will be set forth in
the applicable Prospectus Supplement and will include, where applicable: (i) in
the case of Common Stock, any initial public offering price; (ii) in the case of
Preferred Stock, the specific title, any distribution, liquidation, redemption,
conversion, voting or other rights and any initial public offering price; (iii)
in the case of Depositary Shares, the fractional share of Preferred Stock
represented by such Depositary Shares; (iv) in the case of Debt Securities, the
title, aggregate principal amount, denominations, maturity, rate, if any (which
may be fixed or variable), or method of calculation thereof, time of payment of
any interest, any terms for redemption at the option of the Company or the
holder, any terms for sinking fund payments, rank, any conversion or exchange
rights, and the initial public offering price and any other terms in connection
with the offering and sale of such Debt Securities; and (v) in the case of
Warrants, the duration, offering price, exercise price and detachability
features.
     The Offered Securities may be offered in amounts, at prices and on terms to
be determined at the time of offering; provided, however, that the aggregate
offering price to the public of the Offered Securities will be limited to
$300,000,000. Any Prospectus Supplement relating to any Offered Securities will
contain information concerning certain United States federal income tax
considerations, if applicable, to such Offered Securities.
     The Offered Securities may be offered directly by the Company, through
agents designated from time to time by the Company, or to or through
underwriters or dealers. If any agents or underwriters are involved in the sale
of any of the Offered Securities, their names, and any applicable purchase
price, fee, commission or discount arrangements between or among them, will be
set forth, or will be calculable from the information set forth, in the
applicable Prospectus Supplement. No Offered Securities may be sold without
delivery of the applicable Prospectus Supplement or a term sheet describing the
method and terms of the offering of such series of Offered Securities. See "Plan
of Distribution."
     The specific terms of the Offered Securities may include limitations and
are subject to certain restrictions on ownership designed to preserve the
Company's status as a real estate investment trust for federal income tax
purposes. See "Risk Factors -- Ownership Limits and Certain Effects of Failing
to Qualify as a REIT," Description of Common Stock -- Restriction on
Ownership/REIT Qualification," "Description of Preferred Stock -- Restriction on
Ownership," "Description of Depositary Shares -- Restriction on Ownership,"
"Description of Debt Securities -- Conversion and Exchange Rights," "Description
of Warrants -- General," and "Certain Federal Income Tax Considerations
Applicable to REITs."
 
     SEE "RISK FACTORS" ON PAGE 4 FOR INFORMATION THAT SHOULD BE CONSIDERED BY
PROSPECTIVE INVESTORS.
                             ---------------------
 
THESE OFFERED SECURITIES HAVE NOT BEEN APPROVED OR DISAPPROVED BY THE SECURITIES
     AND EXCHANGE COMMISSION OR ANY STATE SECURITIES COMMISSION NOR HAS THE
  SECURITIES AND EXCHANGE COMMISSION OR ANY STATE SECURITIES COMMISSION PASSED
  UPON THE ACCURACY OR ADEQUACY OF THIS PROSPECTUS. ANY REPRESENTATION TO THE
                        CONTRARY IS A CRIMINAL OFFENSE.
                             ---------------------
 
                 THE DATE OF THIS PROSPECTUS IS MARCH 24, 1998.
<PAGE>   3
 
                             AVAILABLE INFORMATION
 
     The Company is subject to the informational requirements of the Securities
Exchange Act of 1934, as amended, and the rules and regulations thereunder (the
"Exchange Act"), and in accordance therewith files reports, proxy statements and
other information with the Securities and Exchange Commission (the
"Commission"). Such reports, proxy statements and other information may be
inspected and copied at the principal office of the Commission at Room 1024,
Judiciary Plaza, 450 Fifth Street, N.W., Washington, D.C. 20549, and are
available at the Commission's Regional Offices at 7 World Trade Center, Suite
1300, New York, New York 10048, and Citicorp Center, 500 West Madison Street,
Suite 1400, Chicago, Illinois 60661-2511. Copies of such material may also be
obtained from the Public Reference Section of the Commission at 450 Fifth
Street, N.W., Washington, D.C. 20549, at prescribed rates. The Commission also
maintains a site on the World Wide Web at http://www.sec.gov that contains
reports, proxy statements and other information filed electronically with the
Commission through the Electronic Data Gathering, Analysis and Retrieval
("EDGAR") System. In addition, the Company's Common Stock is listed on the New
York Stock Exchange, Inc. (the "NYSE") under the symbol "IRT." Reports, proxy
statements, and other information concerning the Company may be inspected and
copied at prescribed rates at the offices of the NYSE, 20 Broad Street, New
York, New York 10005.
 
     The Company has filed with the Commission a Registration Statement on Form
S-3 (the "Registration Statement") under the Securities Act of 1933, as amended
(the "Securities Act") with respect to the securities offered hereby. This
Prospectus, which constitutes a part of the Registration Statement, does not
contain all of the information set forth in the Registration Statement, certain
items of which are contained in schedules and exhibits to the Registration
Statement as permitted by the rules and regulations of the Commission.
Statements contained in this Prospectus concerning the provisions of certain
documents filed as exhibits to the Registration Statement are brief descriptions
thereof and are not necessarily complete, and each such statement is qualified
in its entirety by reference to the full text of such document. For further
information pertaining to the Company and the securities offered hereby,
reference is made to such Registration Statement and the schedules and exhibits
thereto, which may be inspected without charge at the principal office of the
Commission at 450 Fifth Street, N.W., Washington, D.C. 20549, and copies of
which may be obtained from the Commission at prescribed rates.
 
     Certain financial and other information relating to the Company is
contained in the documents indicated below under "Documents Incorporated by
Reference."
 
         SPECIAL CAUTIONARY NOTICE REGARDING FORWARD-LOOKING STATEMENTS
 
     Certain matters discussed under the captions "The Company," "Risk Factors,"
and elsewhere in this Prospectus, and certain information included in a
Prospectus Supplement or incorporated by reference herein or therein, including,
without limitation, demographic projections, strategic initiatives, competition
for real property acquisitions, vacancy rates, retail sales and growth of
tenants and potential tenants, and other factors may constitute forward-looking
statements for purposes of the Securities Act and the Exchange Act, and as such
may involve known and unknown risks. Uncertainties and other factors may cause
the actual results, performance or achievements of the Company to be materially
different from future results, performance or achievements expressed or implied
by such forward-looking statements. Important factors that could cause the
actual results, performance or achievements of the Company to differ materially
from the Company's expectations are disclosed or incorporated by reference in
this Prospectus ("Cautionary Statements"), including, without limitation, those
statements made in conjunction with the forward-looking statements included
herein. All written and verbal forward-looking statements attributable to the
Company are expressly qualified in their entirety by the Cautionary Statements.
 
                                        2
<PAGE>   4
 
                      DOCUMENTS INCORPORATED BY REFERENCE
 
     The following documents filed by the Company pursuant to Section 13(a),
13(c), 14 or 15(d) of the Exchange Act prior to this Offering shall be deemed to
be incorporated by reference in this Prospectus and to be a part hereof from the
date of filing of such documents.
 
          (a) The Company's Annual Report on Form 10-K for the fiscal year ended
     December 31, 1997; and
 
          (b) The description of the Company's Common Stock contained in the
     Company's Registration Statement on Form 8-B, dated July 16, 1979,
     including all amendments or reports filed for the purpose of updating such
     description.
 
     Each document filed subsequent to the date of this Prospectus pursuant to
Sections 13(a), 13(c), 14 or 15(d) of the Exchange Act and prior to the
termination of the offering of all Securities to which this Prospectus relates
shall be deemed to be incorporated by reference in this Prospectus and shall be
a part hereof from the date of filing of such document.
 
     Any statement contained in a document incorporated or deemed to be
incorporated by reference herein shall be deemed to be modified or superseded
for purposes of this Prospectus to the extent that a statement herein or in any
other subsequently filed document that is also incorporated or deemed to be
incorporated by reference herein modifies or supersedes such statement. Any such
statement so modified or superseded shall not be deemed, except as so modified
or superseded, to constitute a part of this Prospectus. Subject to the
foregoing, all information appearing in this Prospectus is qualified in its
entirety by the information appearing in the documents incorporated by
reference.
 
     The Company will furnish without charge to each person to whom this
Prospectus is delivered (including any beneficial owner), upon his or her oral
or written request, a copy of any or all of the documents incorporated by
reference herein, except for the exhibits to such documents (unless such
exhibits are specifically incorporated by reference into any of the documents
incorporated by reference). Requests should be directed to W. Benjamin Jones
III, Executive Vice President, IRT Property Company, 200 Galleria Parkway, Suite
1400, Atlanta, Georgia 30339, telephone number (770) 955-4406.
 
                                        3
<PAGE>   5
 
                                  THE COMPANY
 
     The Company is an owner, operator, developer and redeveloper of
neighborhood and community shopping centers. Founded in 1969 and based in
Atlanta, Georgia, IRT is a self-administered and self-managed real estate
investment trust ("REIT"), with acquisition, development, redevelopment,
financing, property management and leasing capabilities. In order to maintain
its qualification as a REIT under the Internal Revenue Code of 1986, as amended
(the "Code"), the Company must satisfy various tests, including tests related to
the source and amount of its income, the nature of its assets, and its stock
ownership. See "Risk Factors -- Ownership Limits and Certain Effects of Failing
to Qualify as a REIT," "Description of Common Stock -- Restriction on
Ownership/REIT Qualification" and "Certain Federal Income Tax Considerations
Applicable to REITs."
 
     The Company focuses on neighborhood and community shopping centers,
primarily in the Southeastern United States; however, the Company will consider
portfolio acquisitions in other regions under circumstances which will allow it
to establish and maintain a regional presence. Such focus allows and will allow
the Company to establish and maintain strong working relationships with major
national and regional retailers which serve such present and future regional
markets. The Company's leading tenants include supermarkets such as Kroger,
Publix, Delchamps/Jitney Jungle, Harris Teeter, Winn-Dixie and Food Lion; drug
stores such as Eckerd, Rite Aid and CVS; and national retailers such as Wal-Mart
and Kmart. The Company's principal executive offices are located at 200 Galleria
Parkway, Suite 1400, Atlanta, Georgia 30339, and its telephone number is (770)
955-4406.
 
                                  RISK FACTORS
 
     An investment in the securities offered hereby involves various risks.
Prospective investors should carefully consider the following information in
conjunction with the other information contained or incorporated by reference in
this Prospectus before making a decision to purchase the securities offered
hereby.
 
REAL ESTATE INVESTMENT CONSIDERATIONS
 
     Dependence on the Southeast and the Retail Industry.  As of December 31,
1997, substantially all (99% on a cost basis) of the Company's investment
portfolio was located in the Southeastern United States, and such investments
consisted predominantly of community and neighborhood shopping centers. The
Company's performance therefore is linked to economic conditions in the
Southeast and in the local markets for retail space generally. The market for
retail space has been adversely affected by the ongoing consolidation in the
retail sector, the adverse financial condition of certain large companies in
this sector and excess retail space in certain markets. To the extent that these
conditions affect the market rents for retail space, they could result in a
reduction of net income and funds from operations ("FFO") and cash required for
debt service and distributions to shareholders.
 
     Financial Condition and Bankruptcy of Tenants.  Since substantially all of
the Company's income has been, and is expected to continue to be, derived from
rental income from retail shopping centers, the Company's net income, FFO and
cash required for debt service and distributions to shareholders could be
adversely affected if a significant number of tenants were unable to meet their
obligations to the Company or if the Company were unable to lease, on
economically favorable terms, a material amount of space in its shopping
centers. In addition, in the event of default by a tenant, the Company may
experience delays and incur substantial costs in enforcing its rights as
landlord.
 
     At any time, a tenant of the Company's properties may seek the protection
of the bankruptcy laws, which could result in the rejection and termination of
the tenant's lease. Such an event could cause a reduction of net income, FFO and
cash required for debt service and distributions to shareholders. No assurance
can be given that any tenant which has filed for bankruptcy protection will
continue making payments under its lease, that additional tenants will not file
for bankruptcy protection in the future or, if any tenants file, that they will
continue to make rental payments in a timely manner. In addition, tenants may,
from time to time, experience a downturn in their business, which may weaken
their financial condition and result in a reduction of, or failure
 
                                        4
<PAGE>   6
 
to make, rental payments when due. If a lessee or sublessee defaults in its
obligations to the Company, the Company may experience delays in enforcing its
rights as lessor or sublessor and may incur substantial costs and significant
delays associated with protecting its investment, including costs incurred in
renovating and re-leasing the property.
 
     Vacancies and Lease Renewals; Tenant Closings.  In the normal course of the
Company's business, tenant leases at its properties routinely expire. Some of
these lease expirations provide the Company with the opportunity to increase
rentals or to lease such space to stronger tenants. In other cases, there may be
no immediately foreseeable strong tenancy for the space, and the space may
remain vacant for a longer period than anticipated or may be re-leased at less
favorable rents. In certain instances, the tenant may, without violating the
lease, elect to cease operations at the leased location. Although such tenant
would continue to be responsible for its rental obligations, any percentage
rents payable to the Company under such lease may no longer be due, and such
closures could adversely affect the traffic to the related center and to other
tenants. The Company and its properties are subject to competitive and economic
conditions over which the Company has no control. Accordingly, there is no
assurance that the effects of possible vacancies or lease renewals at the
Company's properties may not reduce the rental income, net income, FFO and cash
required for debt service and distributions to shareholders below levels
anticipated by the Company.
 
     Possible Environmental Liabilities.  Under various federal, state and local
laws, ordinances and regulations, an owner or operator of real estate is liable
for the costs of removal or remediation of certain hazardous or toxic substances
on or in such property. Such laws often impose such liability without regard to
whether the owner or operator knew of, or was responsible for, the presence of
such hazardous or toxic substances. The presence of such substances, or the
failure to properly remediate such substances, may adversely affect the owner's
or operator's ability to sell or rent such property or to use such property as
collateral in its borrowings.
 
     Phase I environmental site assessments (which generally did not include
environmental sampling, monitoring or laboratory analysis) were obtained by the
Company with respect to properties acquired by the Company from 1989 to the
present. The Company has not commissioned independent environmental analyses
with respect to properties acquired prior to 1989, except as required pursuant
to a former secured revolving term loan. No assurance can be given that
hazardous substances are not located on any of the Company's properties.
However, other than as described in this Prospectus, any Prospectus Supplement,
or the documents incorporated by reference herein, the Company has no knowledge
that any environmental contamination has occurred nor that any violation of any
applicable environmental law, statute, regulation or ordinance exists that would
have a material adverse effect on the Company's results of operations, financial
position or liquidity. The Company presently carries only limited insurance
coverage for the types of environmental risks described above.
 
UNCERTAINTY OF MEETING ACQUISITION OBJECTIVES
 
     The Company continually seeks prospective acquisitions of additional
shopping centers and portfolios of shopping centers which the Company believes
can be purchased at attractive initial yields and/or which demonstrate the
potential for revenue and cash flow growth through renovation, expansion,
re-tenanting and re-leasing programs similar to those that the Company has
undertaken historically. The Company also evaluates from time to time mergers
and acquisitions with companies engaged in similar business. There can be no
assurance that the Company will complete any potential acquisition or merger
that it may evaluate. The evaluation process involves certain costs which are
non-recoverable in the event the transactions are not consummated. In addition,
notwithstanding the Company's criteria for evaluating and conducting due
diligence with respect to potential acquisitions, there can be no assurance that
any acquisition that is consummated will meet the Company's expectations.
 
COMPETITION
 
     The Company and its properties compete with numerous other real estate
companies and retail properties, respectively. Other retail properties within
the market areas of each of the Company's properties compete with the Company
for tenants, and the number of such competitive retail properties could have a
 
                                        5
<PAGE>   7
 
material effect on both the Company's ability to rent space at its properties
and the amount of rents chargeable. Other real estate companies compete for
development, redevelopment and acquisition opportunities, may be willing and
able to pay more for such opportunities than the Company, and may increase the
prices sought by sellers of such properties. Some of the Company's competitors
have substantially greater resources than the Company.
 
OWNERSHIP LIMITS AND CERTAIN EFFECTS OF FAILING TO QUALIFY AS A REIT
 
     In order to maintain its qualification as a REIT, the Company must satisfy
various tests, including tests related to the source and amount of its income,
the nature of its assets, and its stock ownership. For example, not more than
50% in value of the outstanding shares of the Company may be owned, directly or
indirectly, by five or fewer individuals (as defined in the Code). To minimize
the possibility that the Company will fail to qualify as a REIT under this test,
the Company's Amended and Restated Articles of Incorporation (the "Articles")
authorize the directors to take such action as may be required to preserve its
qualification as a REIT and generally limit the ownership of shares by any
particular shareholder. The ownership limits in the Articles may delay, defer or
prevent a change in control of the Company. In addition, the ownership of the
Company's assets must comply with certain asset tests that both limit the type
of assets it may hold to certain types of real estate and other investment
assets and limit the concentration of those assets in otherwise permitted
investments. See "Certain Federal Income Tax Considerations Applicable to
REITs."
 
     If the Company fails to qualify as a REIT, it will be subject to federal
income tax (including any applicable alternative minimum tax) on its taxable
income at corporate rates. In addition, unless entitled to relief under certain
statutory provisions, the Company will also be disqualified from treatment as a
REIT for the four taxable years following the year during which qualification is
lost. This treatment would reduce the net earnings of the Company available for
investment or distribution to shareholders because of the additional tax
liability for the year or years involved. In addition, distributions would no
longer be required to be made. See "Description of Common Stock -- Restriction
on Ownership/REIT Qualification," "Description of Preferred Stock -- Restriction
on Ownership," "Description of Depositary Shares -- Restriction on Ownership,"
"Description of Debt Securities -- Conversion and Exchange Rights," "Description
of Warrants -- General," and "Certain Federal Income Tax Considerations
Applicable to REITs."
 
                                USE OF PROCEEDS
 
     Unless otherwise specified in the applicable Prospectus Supplement for any
offering of the Offered Securities, the net proceeds received by the Company
from the sale of the Offered Securities will be used for general corporate
purposes, which may include, without limitation, repayment of maturing
obligations, redemption of outstanding indebtedness or other securities,
financing future acquisitions and for working capital. Pending such use, the
Company may temporarily invest the net proceeds or may use them to reduce
short-term indebtedness. Any proposal to use proceeds from any offering of the
Offered Securities in connection with an acquisition will be disclosed in the
Prospectus Supplement relating to such offering.
 
                CONSOLIDATED RATIOS OF EARNINGS TO FIXED CHARGES
 
     The consolidated ratio of earnings to fixed charges for the Company
including its consolidated subsidiaries is computed by dividing earnings by
fixed charges. For this purpose, earnings consist of income before extraordinary
items and income taxes plus fixed charges (excluding capitalized interest).
Fixed charges consist of interest costs, whether expensed or capitalized, the
interest component of rental expense, amortization of debt costs, discounts and
issue costs, whether expensed or capitalized, and preferred stock dividends.
 
     The following table sets forth the Company's consolidated ratios of
earnings to fixed charges for the periods shown:
 
<TABLE>
<CAPTION>
                                                                 YEARS ENDED DECEMBER 31,
                                                             ---------------------------------
                                                             1993   1994   1995   1996   1997
                                                             -----  -----  -----  -----  -----
<S>                                                          <C>    <C>    <C>    <C>    <C>
Ratio of Earnings to Fixed Charges.........................  2.20x  1.58x  1.86x  1.91x  2.63x
</TABLE>
 
                                        6
<PAGE>   8
 
                          DESCRIPTION OF COMMON STOCK
 
     This summary of certain terms and provisions of the Common Stock does not
purport to be complete and is subject to, and qualified in its entirety by
reference to, the terms and provisions of the Company's Articles and Bylaws, as
amended (the "Bylaws"), which are exhibits to the Registration Statement of
which this Prospectus is a part.
 
     The Company is authorized to issue an aggregate of 75,000,000 shares of
Common Stock. As of December 31, 1997, there were 32,385,664 shares of Common
Stock outstanding held by approximately 3,000 shareholders of record. All
outstanding shares of Common Stock are fully paid and nonassessable. The Common
Stock is listed on the NYSE under the symbol "IRT."
 
DIVIDENDS
 
     Subject to the preferences of holders of Preferred Stock, holders of Common
Stock are entitled to dividends when, as, and if declared by the Board of
Directors out of funds legally available therefor.
 
VOTING RIGHTS
 
     Except as otherwise provided by law or by the designation of the
preferences, limitations and relative rights of any series of Preferred Stock,
the voting power of the Company is held by the holders of Common Stock.
Shareholders of the Company do not have preemptive rights. Each holder of Common
Stock is entitled to cast one vote for each share held on all matters presented
for a vote of shareholders. Cumulative voting for the election of directors is
not permitted. When a quorum is presented at any meeting, the vote of the
holders of a majority of the shares present, either in person or by proxy, shall
decide any question properly brought before such meeting, except on matters
where the Georgia Business Corporation Code requires the vote of the holders of
a majority of all outstanding shares, such as amending the Articles. For a
description of certain voting rights of Preferred Stock, see "Description of
Preferred Stock -- Voting Rights."
 
RESTRICTION ON OWNERSHIP/REIT QUALIFICATION
 
     The Articles contain provisions restricting transfer of shares and
authorizing the directors to call shares for purchase as appropriate to maintain
the Company's qualification as a REIT under the Code. Among the requirements for
REIT qualification, the Company must have at least 100 shareholders, and five or
fewer individuals may not own directly or indirectly 50% or more of the value of
the outstanding shares. In addition, 95% of the Company's gross annual income
must come from qualifying sources, including principally "rents from real
property," which excludes any rents received from any tenant which itself owns,
or which is more than 10% owned by any individual who owns, more than 10% of the
shares. The Articles authorize the directors to refuse to transfer shares and to
call for the purchase of shares so as to prevent concentrations of ownership
potentially disqualifying the Company as a REIT or potentially disqualifying
income as "rents from real property." The Articles also void any purported
transfer of shares which would result in ownership by less than 100
shareholders, or would result in five or fewer individuals directly or
indirectly owning more than 50% of the value of the outstanding shares of the
Company, or would result in any tenant or 10% or more owner of a tenant owning
more than 10% of the Company; and the Articles further provide that the
purported transferee of any such shares shall be deemed never to have had an
interest therein or alternatively shall be deemed to have acquired and to be
holding such shares for and on behalf of the Company. Any call for purchase of
any shares pursuant to the aforesaid provisions of the Articles would most
likely be from one or more holders of significant blocks whose concentrated
ownership is considered by the directors to threaten the Company's REIT status.
 
LIQUIDATION AND DISSOLUTION
 
     In the event of any liquidation, dissolution, or winding up of the Company,
whether voluntary or involuntary, after payment has been made to the holders of
each series of Preferred Stock of the full amount to which they are entitled
pursuant to the Certificate of Designations of such series, the holders of
shares of
 
                                        7
<PAGE>   9
 
Common Stock will be entitled to share, ratably according to the number of
shares of Common Stock held by them, in all remaining assets available for
distribution to its shareholders.
 
OTHER
 
     Holders of Common Stock are not entitled to any preemptive or preferential
right to purchase or subscribe for shares of capital stock of any class and have
no conversion or sinking fund rights.
 
TRANSFER AGENT
 
     The transfer agent and registrar for shares of the Common Stock is SunTrust
Bank, Atlanta, located in Atlanta, Georgia.
 
                         DESCRIPTION OF PREFERRED STOCK
 
     The following describes generally the terms of Preferred Stock. The
particular terms of the Preferred Stock offered by any Prospectus Supplement and
the extent, if any, to which such general provisions may apply to the Preferred
Stock so offered will be described in the related Prospectus Supplement. The
following description of certain provisions of the Preferred Stock set forth
below and in the Prospectus Supplement does not purport to be complete and is
subject to and qualified in its entirety by reference to the Certificate of
Designations relating to the particular series of Preferred Stock, which will be
filed with the Commission at or prior to the time of the sale of such Preferred
Stock.
 
GENERAL
 
     Under the Company's Articles, the Board of Directors is authorized without
further shareholder action to adopt resolutions providing for the issuance of up
to 10,000,000 shares of Preferred Stock, in one or more series (each, a
"Series"), with such voting powers, if any (not to exceed one vote per share of
Preferred Stock on any or all matters voted upon by shareholders of the
Company), and with such designations, preferences and relative, participating,
optional or other special rights, and qualifications, limitations or
restrictions, as may be determined by the Board of Directors. As of the date of
this Prospectus, the Company has not designated or issued any Series of
Preferred Stock.
 
     The Prospectus Supplement relating to the particular Series of Preferred
Stock offered will describe the specific terms, including, where applicable:
 
          (1) the title, designation, number of shares and stated value of such
     Series;
 
          (2) the price at which such Series will be issued;
 
          (3) the dividend amount or rates (or method of calculation) and dates
     on which dividends shall be payable, whether such dividends will be
     cumulative or noncumulative and, if cumulative, the dates from which
     dividends shall commence to cumulate;
 
          (4) any redemption or sinking fund provisions;
 
          (5) whether shares of such Series are convertible or exchangeable and,
     if so, the securities or rights into which such shares of such Series of
     Preferred Stock are convertible or exchangeable, and the terms and
     conditions upon which such conversions or exchanges will be effected;
 
          (6) if other than the currency of the United States of America, the
     currency or currencies including composite currencies in which shares of
     that Series are denominated and/or in which payments may be payable;
 
          (7) the method by which amounts in respect of such Series may be
     calculated and any commodities, currencies or indices, or value, rate or
     price, relevant to such calculation;
 
          (8) the place or places where dividends and other payments on such
     Series are payable and the identity of the transfer agent, registrar and
     dividend disbursement agent for such Series; and
 
                                        8
<PAGE>   10
 
          (9) any additional dividend, liquidation, redemption, sinking fund,
     voting and other rights, preferences, privileges, limitations and
     restrictions.
 
     Unless otherwise specified in the Prospectus Supplement relating to a
particular Series, each Series will rank on a parity in all respects with each
other Series.
 
DIVIDENDS
 
     Holders of Preferred Stock will be entitled to receive cash dividends, as
and if declared by the Board of Directors from funds of the Company legally
available therefor, at such rates and on such dates as will be set forth in the
applicable Prospectus Supplement. Each dividend will be payable to holders of
record as they appear on the stock books of the Company on the record dates
fixed by the Board of Directors of the Company. Different series of the
Preferred Stock may be entitled to dividends at different rates or based upon
different methods of determination. Such rate may be fixed or variable or both.
Dividends on any series of the Preferred Stock may be cumulative or
noncumulative, as provided in the Prospectus Supplement relating thereto. Except
as provided in the related Prospectus Supplement, no Series of Preferred Stock
will be entitled to participate in the Company's earnings or assets.
 
RESTRICTION ON OWNERSHIP
 
     In order to safeguard the Company against an inadvertent loss of REIT
status, the Preferred Stock designation will contain provisions restricting the
ownership and transfer of Preferred Stock. Such restrictions will be described
in the applicable Prospectus Supplement and will be referenced on the applicable
Preferred Stock certificates. See "Risk Factors -- Ownership Limits and Certain
Effects of Failing to Qualify as a REIT," "Description of Common
Stock -- Restriction on Ownership/REIT Qualification" and "Certain Federal
Income Tax Considerations Applicable to REITs."
 
LIQUIDATION RIGHTS
 
     Unless otherwise stated in the applicable Prospectus Supplement, in the
event of any voluntary or involuntary liquidation, dissolution or winding up of
the Company, the holders of each Series of Preferred Stock will be entitled to
receive out of the Company's assets available for distribution to shareholders,
before any distribution of assets is made to holders of Common Stock or any
other class or Series of stock ranking junior to such Series, liquidating
distributions in the amount stated or determined on the basis set forth in the
related Prospectus Supplement plus all accrued and unpaid dividends up to the
date fixed for distribution for the current dividend period and, if such series
of the Preferred Stock is cumulative, for all accrued and unpaid dividend
periods prior thereto, all as set forth in the Prospectus Supplement with
respect to such shares. If, upon any voluntary or involuntary liquidation,
dissolution or winding up of the Company, the amounts payable with respect to a
series of Preferred Stock and any other shares of stock of the Company ranking
as to any distribution on a parity with such series of Preferred Stock are not
paid in full, the holders of such series of Preferred Stock and of such other
shares will share ratably in any such distribution of assets of the Company in
proportion to the full respective preferential amounts to which they are
entitled. After payment of the full amount of the liquidating distribution to
which they are entitled, the holders of Preferred Stock will not be entitled to
any further participation in any distribution of assets by the Company.
 
REDEMPTION AND SINKING FUND
 
     The terms, if any, on which shares of a Series of Preferred Stock may be
subject to optional or mandatory redemption, in whole or in part, or have the
benefit of a sinking fund, will be set forth in the Prospectus Supplement
relating to such series.
 
VOTING RIGHTS
 
     Except as indicated in the applicable Prospectus Supplement, or except as
expressly required by Georgia law, holders of Preferred Stock will not be
entitled to vote. In the event voting rights are granted to holders of
 
                                        9
<PAGE>   11
 
Preferred Stock, however, such holders will be limited to one vote per share of
Preferred Stock on any matters on which holders of such Series are entitled to
vote.
 
CONVERSION AND EXCHANGE RIGHTS
 
     The terms, if any, on which shares of any Series of Preferred Stock are
convertible or exchangeable will be set forth in the related Prospectus
Supplement. The Prospectus Supplement will describe the securities or rights
into which such shares of Preferred Stock are convertible or exchangeable (which
may include other Preferred Stock, Debt Securities, Common Stock, Depositary
Shares or other securities or rights of the Company (including rights to receive
payment in cash or securities based on the value, rate or price of one or more
specified commodities, currencies or indices) or securities of other issuers or
any combination of the foregoing. Such terms may include provisions for
conversion, either mandatory, at the option of the holder, or at the option of
the Company, in which case the consideration to be received by the holders of
such Series would be calculated as of a time and in the manner stated in the
Prospectus Supplement.
 
TRANSFER AGENT AND REGISTRAR
 
     The transfer agent, registrar and dividend disbursement agent for the
Preferred Stock will be designated by the Company in the applicable Prospectus
Supplement.
 
                        DESCRIPTION OF DEPOSITARY SHARES
 
     The Company may, at its option, elect to offer fractional interests in
shares of a Series of Preferred Stock as Depositary Shares, rather than full
shares of Preferred Stock. In such event, receipts ("Depositary Receipts") for
such Depositary Shares, each of which will represent a fraction of a share of a
particular Series of Preferred Stock, as described in the related Prospectus
Supplement.
 
     Shares of any Series of Preferred Stock represented by Depositary Shares
will be deposited under a Deposit Agreement (the "Deposit Agreement") between
the Company and the depositary (the "Preferred Stock Depositary"). The
Prospectus Supplement relating to a series of Depositary Shares will set forth
the name and address of the Preferred Stock Depositary with respect to such
Depositary Shares. Subject to the terms of the Deposit Agreement, each holder of
a Depositary Share will be entitled, in proportion to the applicable fraction of
a share of Preferred Stock represented by such Depositary Share, to all the
rights and preferences of the Preferred Stock represented thereby (including
dividend, voting, conversion or exchange, redemption, and liquidation rights, if
any).
 
     Depositary Shares will be evidenced by Depositary Receipts issued pursuant
to the applicable Deposit Agreement. Immediately following the issuance and
delivery of the Preferred Stock by the Company to a Preferred Stock Depositary,
the Company will cause such Preferred Stock Depositary to issue, on behalf of
the Company, the Depositary Receipts. Copies of the applicable form of Deposit
Agreement and Depositary Receipt may be obtained from the Company upon request,
and the statements made hereunder relating to the Deposit Agreement and the
Depositary Receipt to be issued thereunder are summaries of certain anticipated
provisions thereof and do not purport to be complete and are subject to, and
qualified in their entirety by reference to, all of the provisions of the
applicable Deposit Agreement and related Depositary Receipts.
 
DIVIDENDS AND OTHER DISTRIBUTIONS
 
     The Preferred Stock Depositary will distribute all cash dividends or other
cash distributions received in respect of a Series of Preferred Stock to the
record holders of Depositary Receipts relating to such Preferred Stock in
proportion to the number of such Depositary Receipts owned by such holders on
the relevant Record Date, subject to certain obligations of holders to file
proofs, certificates and other information and to pay certain charges and
expenses to such Preferred Stock Depositary. The Preferred Stock Depositary
shall distribute only such amount, however, as can be distributed without
attributing to any holder of Depositary Shares a fraction of one cent, and the
balance not so distributed shall be added to and treated as part of the next sum
received by the Preferred Stock Depositary for distribution to record holders of
Depositary Shares.
 
                                       10
<PAGE>   12
 
     In the event of a distribution other than in cash, the Preferred Stock
Depositary will distribute property received by it to the record holders of
Depositary Shares in an equitable manner, unless the Preferred Stock Depositary
determines that it is not feasible to make such distribution, in which case the
Preferred Stock Depositary, with the Company's approval, may sell such property
and distribute the net proceeds from such sale to such holders.
 
     The Deposit Agreement will also contain provisions relating to the manner
in which any subscription or similar rights offered by the Company to holders of
the Preferred Stock shall be made available to the holders of Depositary Shares.
 
     Upon surrender of the Depositary Receipts at the corporate trust office of
the Preferred Stock Depositary (unless the related Depositary Shares have
previously been called for redemption, or converted or exchanged), the holders
thereof will be entitled to delivery at such office, to or upon each such
holder's order, of the number of whole or fractional shares of the class or
Series of Preferred Stock and any money or other property represented by the
Depositary Shares evidenced by such Depositary Receipts. Holders of Depositary
Receipts will be entitled to receive whole or fractional shares of the related
class or Series of Preferred Stock on the basis of the proportion of Preferred
Stock represented by each Depositary Share as specified in the applicable
Prospectus Supplement, but holders of such shares of Preferred Stock will not
thereafter be entitled to receive Depositary Shares therefor. If the Depositary
Receipts delivered by the holder evidence a number of Depositary Shares in
excess of the number of Depositary Shares representing the number of shares of
Preferred Stock to be withdrawn, the Preferred Stock Depositary will deliver to
such holder at the same time a new Depositary Receipt evidencing such excess
number of Depositary Shares.
 
REDEMPTION OF DEPOSITARY SHARES
 
     If a series of Preferred Stock represented by Depositary Shares is subject
to redemption, the Depositary Shares will be redeemed from the proceeds received
by the Preferred Stock Depositary resulting from the redemption, in whole or in
part, of such class or Series of Preferred Stock held by the Preferred Stock
Depositary. The Preferred Stock Depositary shall mail notice of redemption not
less than 30 and not more than 60 days prior to the date fixed for redemption to
the record holders of the Depositary Shares to be so redeemed at their
respective addresses appearing in the Preferred Stock Depositary's books. The
redemption price per Depositary Share will be equal to the applicable fraction
of the redemption price and other amounts, if any per share payable with respect
to such class or Series of Preferred Stock. Whenever the Company redeems
Preferred Stock held by the Preferred Stock Depositary, the Preferred Stock
Depositary will redeem as of the same redemption date the number of Depositary
Shares representing Preferred Stock so redeemed. If fewer than all the
Depositary Shares are to be redeemed, the Depositary Shares to be redeemed will
be selected by lot or pro rata as may be determined to be equitable by the
Preferred Stock Depositary.
 
     From and after the date fixed for redemption, the Depositary Shares so
called for redemption will no longer be outstanding, and all rights of the
holders of the Depositary Shares will cease, except the right to receive the
money, securities, or other property payable upon such redemption and any money,
securities, or other property to which the holders of such Depositary Shares
were entitled upon such redemption upon surrender to the Preferred Stock
Depositary of the Depositary Receipts evidencing such Depositary Shares.
 
VOTING THE PREFERRED STOCK
 
     Upon receipt of notice of any meeting at which the holders of a class or
Series of Preferred Stock are entitled to vote, the Preferred Stock Depositary
will mail the information contained in such notice of meeting to the record
holders of the Depositary Receipts evidencing the Depositary Shares of such
class or series of Preferred Stock. Each record holder of such Depositary
Receipts on the record date (which will be the same date as the record date for
the related class or Series of Preferred Stock) will be entitled to instruct the
Preferred Stock Depositary as to the exercise of the voting rights pertaining to
the amount of Preferred Stock represented by such holder's Depositary Shares.
The Preferred Stock Depositary will endeavor, insofar as practicable, to vote
the number of shares of Preferred Stock represented by such Depositary Shares in
accordance with such instructions, and the Company will agree to take all
reasonable action which may be
 
                                       11
<PAGE>   13
 
deemed necessary by the Preferred Stock Depositary in order to enable the
Preferred Stock Depositary to do so. The Preferred Stock Depositary will abstain
from voting the Preferred Stock to the extent it does not receive specific
instructions from the holder of Depositary Shares representing such shares of
Preferred Stock. The Preferred Stock Depositary will not be responsible for any
failure to carry out any instruction to vote, or for the manner or effect of any
such vote made, as long as any such action or non-action is in good faith and
does not result from the negligence or willful misconduct of the Preferred Stock
Depositary.
 
LIQUIDATION PREFERENCE
 
     In the event of the liquidation, dissolution or winding up of the Company,
whether voluntary or involuntary, the holders of each Depositary Receipt will be
entitled to the fraction of the liquidation preference accorded each share of
related Preferred Stock as set forth in the applicable Prospectus Supplement.
 
CONVERSION OF PREFERRED STOCK
 
     The Depositary Shares, as such, will not be convertible into Common Stock
or any other securities or property of the Company, except in connection with
certain exchanges in connection with the preservation of the Company's status as
a REIT. Nevertheless, if so specified in a Prospectus Supplement relating to an
offering of Depositary Shares, the Depositary Receipts may be surrendered by the
holders thereof to the Preferred Stock Depositary with written instructions
directing the Company to cause conversion of a class or a Series of Preferred
Stock represented by the related Depositary Shares into whole shares of Common
Stock, other shares of a class or Series of Preferred Stock of the Company or
other shares of stock. The Company has agreed that upon receipt of such
instructions and any amounts payable in respect thereof, it will cause such
conversion utilizing the same procedures as those provided for delivery of
Preferred Stock to effect such conversion. If the Depositary Shares evidenced by
a Depositary Receipt are to be converted in part only, a Depositary Receipt or
Receipts will be issued for any Depositary Shares not converted. No fractional
shares of Common Stock will be issued upon conversion, and if such conversion
will result in a fractional share being issued, an amount will be paid in cash
by the Company equal to the value of the fractional interest based upon the
closing price of the Common Stock on the last business day prior to the
conversion. See "Description of Common Stock -- Restriction on Ownership/REIT
Qualification" and "Description of Preferred Stock -- Restriction on Ownership."
 
AMENDMENT AND TERMINATION OF THE DEPOSIT AGREEMENT
 
     The form of Depositary Receipt evidencing the Depositary Shares and any
provision of the Deposit Agreement may be amended at any time by agreement
between the Company and the Preferred Stock Depositary. However, any amendment
which materially and adversely alters the rights of the holders of Depositary
Receipts or that would be materially and adversely inconsistent with the rights
of holders of the underlying Preferred Stock will be ineffective, unless such
amendment has been approved by the holders of at least a majority of the
Depositary Shares then outstanding. No amendment shall impair the right, subject
to certain anticipated exceptions in the Deposit Agreement, of any holder of
Depositary Receipts to surrender any Depositary Receipt with instructions to
deliver to the holder the related class or series of Preferred Stock and all
money and other property, if any, represented thereby, except in order to comply
with law. Every holder of any outstanding Depositary Receipt at the time any
such amendment becomes effective shall be deemed, by continuing to hold such
Depositary Receipt, to consent and agree to such amendment and to be bound by
the applicable Deposit Agreement as amended thereby.
 
     The Deposit Agreement may be terminated by the Company upon not less than
30 days prior written notice to the Preferred Stock Depositary if (i) such
termination is necessary to preserve the Company's status as a REIT or (ii) a
majority of each class or Series of Preferred Stock subject to such Deposit
Agreement consents to such termination, whereupon the Preferred Stock Depositary
consents to such termination and will deliver or make available to each holder
of Depositary Receipts, upon surrender of the Depositary Receipts held by such
holder, such number of whole or fractional shares of Preferred Stock as are
represented by the Depositary Shares evidenced by such Depositary Receipts,
together with any other property held by the Preferred Stock Depositary with
respect to such Depositary Receipts. The Company has agreed that if the
 
                                       12
<PAGE>   14
 
Deposit Agreement is terminated to preserve the Company's status as a REIT, then
the Company will use its best efforts to list each class or Series of Preferred
Stock issued upon surrender of the related Depositary Receipts on a national
securities exchange. The Deposit Agreement will automatically terminate if (i)
all outstanding Depositary Shares related thereto have been redeemed, (ii) there
has been a final distribution in respect of the Preferred Stock in connection
with any liquidation, dissolution or winding up of the Company and such
distribution has been distributed to the holders of the related Depositary
Receipts, or (iii) each share of the related Preferred Stock has been converted
into stock not so represented by Depositary Shares.
 
CHARGES OF DEPOSITARY
 
     The Company will pay all transfer and other taxes and governmental charges
arising solely from the existence of the Depositary Agreement. The Company will
pay the Preferred Stock Depositary's fees and charges in connection with the
initial deposit of the Preferred Stock and issuance of Depositary Receipts, all
withdrawals of Preferred Stock by owners of Depositary Shares and any redemption
of the Preferred Stock. Holders of Depositary Receipts will pay all other
transfer and other taxes, governmental charges, and fees and charges of the
Preferred Stock Depositary that are not expressly provided for in the Deposit
Agreement.
 
RESIGNATION AND REMOVAL OF DEPOSITARY
 
     The Preferred Stock Depositary may resign at any time by delivering to the
Company notice of its election to do so, and the Company may at any time remove
the Preferred Stock Depositary, any such resignation or removal to take effect
upon the appointment of a successor Preferred Stock Depositary and such
successor Preferred Stock Depositary's acceptance of the appointment. Such
successor Preferred Stock Depositary must be appointed within 60 days after
delivery of the notice of resignation or removal and must be a bank or trust
company having its principal office in the United States and having a combined
capital and surplus of at least $50,000,000.
 
RESTRICTION ON OWNERSHIP
 
     In order to safeguard the Company against an inadvertent loss of REIT
status, the Deposit Agreement or the Certificate will contain provisions
restricting the ownership and transfer of Depositary Shares. Such restrictions
will be described in the applicable Prospectus Supplement and will be referenced
on the applicable Depositary Receipts. See "Risk Factors -- Ownership Limits and
Certain Effects of Failing to Qualify as a REIT," "Description of Common Stock
- -- Restriction on Ownership/REIT Qualification," "Description of Preferred
Stock -- Restriction on Ownership" and "Certain Federal Income Tax
Considerations Applicable to REITs."
 
MISCELLANEOUS
 
     The Preferred Stock Depositary will forward all reports and communications
from the Company which are delivered to the Preferred Stock Depositary and which
the Company is required or otherwise determines to furnish to the holders of the
Preferred Stock.
 
     Neither the Preferred Stock Depositary nor the Company will be liable if it
is prevented or delayed by law or any circumstance beyond its control in
performing its obligations under the Deposit Agreement. The obligations of the
Company and the Preferred Stock Depositary under the Deposit Agreement will be
limited to performing in good faith their duties thereunder (in the case of any
action or inaction in the voting of a class or Series of Preferred Stock
represented by the Depositary Shares), gross negligence or willful misconduct.
The Company and the Preferred Stock Depositary will not be obligated to
prosecute or defend any legal proceeding in respect of any Depositary Shares,
Depositary Receipts or shares of any Preferred Stock represented thereby, unless
satisfactory indemnity is furnished. The Company and the Preferred Stock
Depositary may rely upon written advice of counsel or accountants, or
information provided by persons presenting shares of Preferred Stock for
deposit, holders of Depositary Receipts or other persons believed to be
competent and on documents believed to be genuine.
 
                                       13
<PAGE>   15
 
                         DESCRIPTION OF DEBT SECURITIES
 
GENERAL
 
     The following sets forth certain general terms and provisions of the Debt
Securities to which any Prospectus Supplement may relate. The particular terms
of any Debt Securities offered and the extent, if any, to which such general
provisions may not apply to such Debt Securities will be described in the
Prospectus Supplement relating to such Debt Securities.
 
     The Senior Debt Securities are to be issued under an indenture (the "Senior
Indenture"), to be entered into between the Company and SunTrust Bank, Atlanta,
as Trustee. The Subordinated Debt Securities are to be issued under an indenture
(as supplemented or amended, the "Subordinated Indenture"), also to be entered
into between the Company and SunTrust Bank, Atlanta, as Trustee. The term
"Trustee" as used herein shall refer to SunTrust Bank, Atlanta, or such other
bank or trust company as the Company may appoint as trustee pursuant to the
terms of the applicable Indenture, in its or their capacity as Trustee for the
Senior Debt Securities or the Subordinated Debt Securities, as appropriate. The
forms of the Senior Indenture and the Subordinated Indenture (being sometimes
referred to herein collectively as the "Indentures" and individually as an
"Indenture") are filed as exhibits to the Registration Statement. The Indentures
are subject to and governed by the Trust Indenture Act of 1939, as amended (the
"TIA") and may be supplemented from time to time following execution. The
description of the Indentures and the Debt Securities issuable thereunder are
summaries only, do not purport to be complete and are qualified in their
entirety by reference to the Indentures and such Debt Securities. All section
and article references below are to sections of the Indentures, and capitalized
terms used but not defined herein shall have the respective meanings set forth
in the Indentures. Wherever reference is made to particular sections or defined
terms of the Indentures, it is intended that such sections or defined terms
shall be incorporated herein by reference.
 
     As of December 31, 1997, the Company had outstanding $28.5 million 7.3%
Convertible Subordinated Debentures due 2003 (the "Convertible Debentures"), and
$50 million aggregate principal amount of 7.25% Senior Notes due 2007, and $75
million aggregate principal amount of 7.45% Senior Notes due 2001 (together with
the Senior Notes due 2007, the "Senior Notes"). SunTrust Bank, Atlanta serves as
the trustee under the indentures pursuant to which such Convertible Debentures
and Senior Notes were issued.
 
TERMS
 
     The Debt Securities will be direct, unsecured obligations of the Company.
The indebtedness represented by the Senior Debt Securities will rank equally
with all other unsecured and unsubordinated debt of the Company. The
indebtedness represented by the Subordinated Debt Securities will rank junior
and subordinate in right of payment, to the extent and in the manner set forth
in the Subordinated Indenture, to the prior payment in full of the Senior Debt
of the Company, as described under "Subordination."
 
     Each Indenture provides that the Debt Securities may be issued without
limit as to aggregate principal amount, in one or more series, in each case as
established from time to time in, or pursuant to authority granted by, a
resolution of the Board of Directors of the Company or as established in one or
more indentures supplemental to such Indenture. Debt Securities may be issued
with terms different from those of Debt Securities previously issued (Section
301).
 
     Each Indenture provides that there may be more than one Trustee thereunder,
each with respect to one or more series of Debt Securities. Any Trustee under an
Indenture may resign or be removed with respect to one or more series of Debt
Securities, and a successor Trustee may be appointed to act with respect to such
series (Section 608). In the event that two or more persons are acting as
Trustee with respect to different series of Debt Securities, each such Trustee
shall be a Trustee of a trust under the applicable Indenture separate and apart
from the trust administered by any other Trustee (Section 101 and Section 609),
and, except as otherwise indicated herein, any action described herein to be
taken by each Trustee may be taken by each such Trustee with respect to, and
only with respect to, the one or more series of Debt Securities for which it is
Trustee under the applicable Indenture.
 
                                       14
<PAGE>   16
 
     Reference is made to the applicable Prospectus Supplement relating to a
particular series of Debt Securities being offered thereby for the specific
terms thereof, including, but not limited to:
 
          (1) the title of such Debt Securities and whether such Debt Securities
     are Senior Debt Securities or Subordinated Debt Securities;
 
          (2) the aggregate principal amount of such Debt Securities and any
     limit on such aggregate principal amount;
 
          (3) the percentage of the principal amount at which the Debt
     Securities of the series will be issued and, if other than the principal
     amount thereof, the portion of the principal amount thereof payable upon
     declaration of acceleration of the maturity thereof;
 
          (4) the terms, if any, by which such securities may be convertible
     into or exchangeable for Common Stock, Preferred Stock, or other securities
     or property of the Company;
 
          (5) if convertible or exchangeable, any applicable limitations on the
     ownership or transferability of the securities or property into which such
     Debt Securities are convertible or exchangeable;
 
          (6) the date or dates, or the method for determining such date or
     dates, on which the principal of such Debt Securities will be payable and
     the amount of principal payable thereon;
 
          (7) the rate or rates (which may be fixed or variable) at which such
     Debt Securities will bear interest, if any, or the method by which such
     rate or rates shall be determined;
 
          (8) the date or dates, or the method for determining such date or
     dates, from which any such interest will accrue, the Interest Payment Dates
     (as defined in the Indenture) on which any such interest will be payable,
     the Regular Record Dates (as defined in the Indenture) if any, for such
     Interest payable on any Registered Security on any Interest Payment Date,
     or the method by which such dates shall be determined, the persons to whom
     such interest shall be payable, and the basis upon which interest shall be
     calculated if other than that of a 360-day year consisting of twelve 30-day
     months;
 
          (9) the place or places where the principal of (and premium or
     Make-Whole Amount, as defined in the Indenture, if any), interest, if any,
     on and Additional Amounts (as defined in the Indenture), if any, payable in
     respect of such Debt Securities will be payable, where such Debt Securities
     may be surrendered for conversion or registration or transfer or exchange
     and where notices or demands to or upon the Company in respect of such Debt
     Securities and the applicable Indenture may be served;
 
          (10) whether such Debt Securities will be in registered ("Registered
     Debt Securities") or bearer ("Bearer Debt Securities") form, and the terms
     and conditions relating thereto, and if in registered form, the
     denominations thereof if other than $1,000 and any integral multiple
     thereof and, if in bearer form, the denominations thereof if other than
     $5,000;
 
          (11) if other than the Trustee, the identity of each Security
     Registrar and/or Paying Agent;
 
          (12) the period or periods within which, the price or prices
     (including premium or Make-Whole Amount, if any) at which, the currency or
     currencies, currency unit or units or composite currency or currencies in
     which, and the other terms and conditions upon which, such Debt Securities
     may be redeemed, in whole or in part, at the option of the Company, if the
     Company has such an option;
 
          (13) the obligation, if any, of the Company to redeem, repay or
     purchase Debt Securities pursuant to any sinking fund or analogous
     provision or at the option of a Holder thereof, and the period or periods
     within which or the date or dates on which, the price or prices at which,
     the currency or currencies, currency unit or units or composite currency or
     currencies in which, and the other terms and conditions upon which Debt
     Securities will be redeemed, repaid or purchased, in whole or in part,
     pursuant to such obligation;
 
          (14) if other than in United States dollars, the currency or
     currencies in which such Debt Securities are being sold and are denominated
     and payable, which may be a foreign currency or units of two or more
     foreign currencies or a composite currency or currencies, and the terms and
     conditions relating thereto;
 
                                       15
<PAGE>   17
 
          (15) whether the amount of payment of principal of (and premium or
     Make-Whole Amount, if any) or interest, if any, on such Debt Securities may
     be determined with reference to an index, formula or other method (which
     index, formula or method may, but need not be, based on a currency,
     currencies, currency unit or units, composite currency or currencies,
     commodities, equity indices or other indices) and the manner in which such
     amounts shall be determined;
 
          (16) whether the principal of (and premium or Make-Whole Amount, if
     any) or interest or Additional Amounts, if any, on such Debt Securities are
     to be payable, at the election of the Company or a Holder thereof, in a
     currency or currencies, currency unit or units or composite currency or
     currencies other than that in which such Debt Securities are denominated or
     stated to be payable, the period or periods within which, and the terms and
     conditions upon which, such election may be made, and the time and manner
     of, and identity of the exchange rate agent with responsibility for,
     determining the exchange rate between the currency or currencies, currency
     unit or units or composite currency or currencies in which such Debt
     Securities are denominated or stated to be payable and the currency or
     currencies, currency unit or units or composite currency or currencies in
     which such Debt Securities are to be payable;
 
          (17) provisions, if any, granting special rights to the Holders of
     such Debt Securities upon the occurrence of such events as may be
     specified;
 
          (18) any addition to, modifications of or deletions from the terms of
     such Debt Securities of or within the Series, with respect to the Events of
     Default or covenants, whether or not such Events of Default or covenants
     are consistent with the Events of Default or covenants set forth in the
     applicable Indenture;
 
          (19) whether such Debt Securities will be issued in certificated or
     book-entry form and the terms and conditions related thereto, including
     whether any such Debt Securities will be issued in temporary and/or
     permanent global form, and if so, whether beneficial owners of interests in
     any such permanent global Debt Security may exchange such interests for
     Debt Securities of such series and of like tenor of any authorized form and
     denomination and the circumstances under which any such exchanges may
     occur, if other than in the manner provided in Section 305 of the
     Indenture, and, if Debt Securities of or within the series are to be
     issuable as a global Debt Security, the identity of the depositary for such
     series;
 
          (20) the date as of which any temporary global Debt Security
     representing Outstanding Securities of or within the series shall be dated
     if other than the date of original issuance of the first Debt Security of
     the series to be issued;
 
          (21) if the Debt Securities of such series are to be issuable in
     definitive form (whether upon original issue or upon exchange of a
     temporary global Debt Security of such series) only upon receipt of certain
     certificates or other documents or satisfaction of other conditions, then
     the form and/or terms of such certificates, documents or conditions;
 
          (22) if the Debt Securities of or within the series are to be issued
     upon the exercise of debt warrants, the time, manner and place for such
     Debt Securities to be authenticated and delivered;
 
          (23) the extent to which the Debt Securities of or within the series
     are subordinated to other indebtedness; and
 
          (24) any other terms of the Debt Securities of or within the series or
     of any Guarantees issued concurrently with such Debt Securities not
     inconsistent with the provisions of the applicable Indenture;
 
          (25) the applicability, if any, of the defeasance and covenant
     defeasance provisions of the Indenture;
 
          (26) any applicable United States federal income tax consequences,
     including whether and under what circumstances the Company will pay
     Additional Amounts, if any, as contemplated in the applicable Indenture on
     such Debt Securities to any Holder who is not a United States person in
     respect of any tax, assessment or governmental charge withheld or deducted
     and, if so, whether the Company will have the
 
                                       16
<PAGE>   18
 
     option to redeem such Debt Securities in lieu of paying such Additional
     Amounts (and the terms of any such option);
 
          (27) any other covenant or warranty included for the benefit of the
     Debt Securities in addition to (and not inconsistent with) those included
     in the Indenture for the benefit of Debt Securities of all series, or any
     other covenant or warranty included for the benefit of the Debt Securities
     in lieu of any covenant or warranty included in the Indenture for the
     benefit of Debt Securities of all series or any provision that any covenant
     or warranty included in the Indenture for the benefit of Debt Securities of
     all series shall not be for the benefit of the Debt Securities, or any
     combination of such covenants, warranties or provisions;
 
          (28) the proposed listing, if any, of the Debt Securities on any
     securities exchange; and
 
          (29) any other terms of such Debt Securities not inconsistent with the
     provisions of the applicable Indenture (Section 301).
 
     The Debt Securities may provide for less than the entire principal amount
thereof to be payable upon declaration of acceleration of the maturity thereof
as a result of the occurrence and continuation of an Event of Default ("Original
Issue Discount Securities") (Section 502). Any special U.S. federal income tax,
accounting and other considerations applicable to Original Issue Discount
Securities will be described in the applicable Prospectus Supplement.
 
     Debt Securities may be issued, from time to time, with the principal amount
payable on any principal payment date, or the amount of interest payable on any
Interest Payment Date, to be determined by reference to one or more currency
exchange rates, commodity prices, equity indices or other factors. Holders of
such Debt Securities may receive a principal amount on any principal payment
date, or a payment of interest on any Interest Payment Date, that is greater
than or less than the amount of principal or interest otherwise payable on such
dates, depending upon the value on such dates of the applicable currency or
currencies, commodity, equity index or other factors. Information as to the
methods for determining the amount of principal or interest payable on any date,
the currencies, commodities, equity indices or other factors to which the amount
payable on such date is linked and certain additional tax considerations will be
set forth in the applicable Prospectus Supplement.
 
     All Debt Securities of any one series shall be substantially identical,
except, in the case of Debt Securities issued in global form, as to denomination
and except as may otherwise be provided in or pursuant to such resolution of the
Board of Directors or in any indenture supplemental to the Indenture. All Debt
Securities of any one series need not be issued at the same time and unless
otherwise provided, a series may be reopened, without the consent of the
Holders, for issuances of additional Debt Securities of such series.
 
     The Indentures do not contain any provisions that limit the Company's
ability to incur indebtedness or that would afford Holders of Debt Securities
protection in the event of a highly leveraged or similar transaction involving
the Company. However, restrictions on ownership and transfers of the Company's
Common Stock and Preferred Stock, designed to preserve the Company's status as a
REIT, may prevent or hinder a change of control.
 
     Reference is made to the applicable Prospectus Supplement for information
with respect to any deletions from, modifications of or additions to the Events
of Default or covenants of the Company that are described below, including any
addition of a covenant or other provision providing event risk or similar
protection.
 
GUARANTEES
 
     The Debt Securities may be unconditionally and irrevocably guaranteed by
Guarantees from Company Subsidiaries, on a senior or subordinated basis, which
will guarantee the due and punctual payment of principal of, premium, if any,
and interest on such Debt Securities, and the due and punctual payment of any
sinking fund payments thereon, when and as the same shall become due and payable
whether at a maturity date, by declaration of acceleration, call for redemption
or otherwise. The applicability and terms of any such Guarantee relating to a
series of Debt Securities will be set forth in the Prospectus Supplement
relating to such Debt Securities.
 
                                       17
<PAGE>   19
 
DENOMINATIONS, INTEREST, REGISTRATION AND TRANSFER
 
     Unless otherwise described in the applicable Prospectus Supplement, the
Debt Securities of any series issued in registered form will be issuable in
denominations of $1,000 and integral multiples thereof, and Debt Securities of
any series issued in bearer form will be issuable in denominations of $5,000 and
integral multiples thereof. (Section 302).
 
     Unless otherwise specified in the applicable Prospectus Supplement, the
principal of (and applicable premium or Make-Whole Amount, if any) and interest,
if any, on any series of Debt Securities will be payable in the currency
designated in the Prospectus Supplement at the corporate trust office of the
Trustee, initially located at 58 Edgewood Avenue, 4th Floor, Atlanta, Georgia
30303, in the case of each of the Senior Debt Securities and the Subordinated
Debt Securities, provided that, at the option of the Company, payment of
interest may be made by check mailed to the address of the Person (as defined in
the Indentures) entitled thereto as it appears in the Security Register for such
series or by wire transfer of funds to such Person at an account maintained
within the United States (Sections 301, 305, 307 and 1002). The Company may at
any time designate additional Paying Agents or rescind the designation of any
Paying Agents or approve a change in the office through which any Paying Agent
acts, except that the Company will be required to maintain a Paying Agent in
each Place of Payment (as defined in the Indentures) for such series. All monies
paid by the Company to a Paying Agent for the payment of principal of and
premium, if any, and interest, if any, on any Debt Security which remains
unclaimed at the end of two years after such principal, premium or interest
shall have become due and payable will be repaid to the Company, and the Holder
of such Offered Debt Security will thereafter look only to the Company for
payment thereof (Section 1003).
 
     Any interest not punctually paid or duly provided for on any Interest
Payment Date with respect to a Debt Security ("Defaulted Interest") will
forthwith cease to be payable to the Holder on the applicable Regular Record
Date and may either be paid to the person in whose name such Debt Security is
registered at the close of business on a special record date (the "Special
Record Date") for the payment of such Defaulted Interest to be fixed by the
applicable Trustee, notice whereof shall be mailed to each Holder of such Debt
Security not less than 10 days prior to such Special Record Date, or may be paid
at any time in any other lawful manner, all as more completely described in the
applicable Indenture (Section 101 and 307).
 
     Subject to certain limitations imposed upon Debt Securities issued in
book-entry form, the Debt Securities of any series will be exchangeable for
other Debt Securities of the same series and of a like aggregate principal
amount and tenor, of different authorized denominations upon surrender of such
Debt Securities at the corporate trust office of the applicable Trustee. In
addition, subject to certain limitations imposed upon Debt Securities issued in
book-entry form, the Debt Securities of any series may be surrendered for
conversion or registration of transfer or exchange at the corporate trust office
of the applicable Trustee referred to above. Every Debt Security surrendered for
conversion, registration of transfer or exchange shall be duly endorsed or
accompanied by a written instrument of transfer. No service charge will be made
for any registration of transfer or exchange of any Debt Securities, but the
Company may require payment of a sum sufficient to cover any tax or other
governmental charge payable in connection therewith (Section 305). If the
applicable Prospectus Supplement refers to any transfer agent (in addition to
the applicable Trustee) initially designated by the Company with respect to any
series of Debt Securities, the Company may at any time rescind the designation
of any such transfer agent or approve a change in the location through which any
such transfer agent acts, except that the Company will be required to maintain a
transfer agent in each Place of Payment for such series. The Company may at any
time designate additional transfer agents with respect to any series of Debt
Securities (Section 1002).
 
     Neither the Company nor any Trustee shall be required to: (i) issue,
register the transfer of or exchange Debt Securities of any series during a
period beginning at the opening of business 15 days before any selection of Debt
Securities of that series to be redeemed and ending at the close of business on
the day of mailing or publication of the relevant notice of redemption; (ii)
register the transfer of or exchange any Debt Security, or portion thereof,
called for redemption, except the unredeemed portion of any Debt Security being
redeemed in part; (iii) exchange any Bearer Debt Security selected for
redemption, except that such a Bearer Debt Security may be exchanged for a
Registered Debt Security of that series and like tenor, provided that such
 
                                       18
<PAGE>   20
 
Registered Debt Security shall be simultaneously surrendered for redemption or
exchange; or (iv) issue, register the transfer of or exchange any Debt Security
that has been surrendered for repayment at the option of the Holder, except the
portion, if any, of such Debt Security which is not to be so repaid in whole or
in part (Section 305).
 
GLOBAL DEBT SECURITIES
 
     Debt Securities of a series may be issued in whole or in part in the form
of one or more fully registered global securities ("Global Securities") that
will be deposited with a depositary (a "Depositary") or with a nominee for a
Depositary identified in the Prospectus Supplement relating to such series and
registered in the name of the Depositary or a nominee thereof. In such case, one
or more Global Securities will be issued in a denomination or aggregate
denominations equal to the portion of the aggregate principal amount of
outstanding registered Debt Securities of the series to be represented by such
Global Security or Securities. Global Securities, if any, issued in the United
States are expected to be deposited with The Depository Trust Company, as
Depositary. Global Securities may be issued in fully registered form and may be
issued in either temporary or permanent form. Unless and until it is exchanged
in whole for Debt Securities in definitive registered form, a Global Security
may not be transferred except as a whole by the Depositary for such Global
Security to a nominee of such Depositary or by a nominee of such Depositary to
such Depositary or another nominee of such Depositary or by such Depositary or
any such nominee to a successor of such Depositary or a nominee of such
successor.
 
     The specific terms of the depositary arrangement with respect to any series
of Debt Securities represented by a Global Security will be described in the
Prospectus Supplement relating to such series. The Company anticipates that,
except as provided in the related Prospectus Supplement, the following
provisions will apply to depositary arrangements.
 
     Ownership of beneficial interests in a Global Security will be limited to
persons that have accounts with the Depositary for such Global Security
("Participants") or persons that may hold interests through Participants. Upon
the issuance of a Global Security, the Depositary for such Global Security will
credit, on its book-entry registration and transfer system, the Participants'
accounts with the respective principal amounts of the Debt Securities
represented by such Global Security beneficially owned by such Participants. The
accounts to be credited shall be designated by any dealers, underwriters or
agents participating in an offering of such Debt Securities or by the Company or
the Trustee if such Debt Securities are offered directly by the Company.
Ownership of beneficial interests in such Global Security will be shown on, and
the transfer of such ownership interests will be effected only through, records
maintained by the Depositary for such Global Security (with respect to interests
of Participants) and on the records of Participants (with respect to interests
of persons holding through Participants). The laws of some states may require
that certain purchasers of securities take physical delivery of such securities
in definitive form. Such limits and such laws may impair the ability to own,
transfer or pledge beneficial interests in Global Securities.
 
     So long as the Depositary for a Global Security, or its nominee, is the
registered owner of such Global Security, such Depositary or such nominee, as
the case may be, will be considered the sole owner or holder of the Debt
Securities represented by such Global Security for all purposes under the
applicable Indenture. Except as set forth below or in a Prospectus Supplement,
owners of beneficial interests in a Global Security will not be entitled to have
the Debt Securities represented by such Global Security registered in their
names, will not receive or be entitled to receive physical delivery of such Debt
Securities in definitive form and will not be considered the owners or holders
thereof under the applicable Indenture. Accordingly, each person owning a
beneficial interest in a Global Security must rely on the Depositary's
procedures for such Global Security and, if such person is not a Participant, on
the procedures of the Participant through which such person owns its interest,
to exercise any rights of a holder under the applicable Indenture. The Company
understands that under existing industry practices, if the Company requests any
action of holders or if an owner of a beneficial interest in a Global Security
desires to give or take any action which a holder is entitled to give or take
under the applicable Indenture, the Depositary for such Global Security would
authorize the Participants holding the relevant beneficial interests to give or
take such action, and such Participants would
 
                                       19
<PAGE>   21
 
authorize beneficial owners owning through such Participants to give or take
such action or would otherwise act upon the instructions of beneficial owners
holding through them.
 
     Payments of principal of, premium or Make-Whole Amount, if any, and any
interest, if any, on, or any Additional Amounts payable with respect to Debt
Securities represented by a Global Security registered in the name of a
Depositary or its nominee will be made to such Depositary or its nominee, as the
case may be, as the registered owners of such Global Security. None of the
Company, the Trustee, the Paying Agent or the Registrar or any other agent of
the Company or agent of the Trustee will have any responsibility or liability
for any aspect of the records relating to or payments made on account of
beneficial ownership interests in such Global Security or for maintaining,
supervising or reviewing any records relating to such beneficial ownership
interests.
 
     The Company expects that the Depositary for any Debt Securities represented
by a Global Security, upon receipt of any payment of principal, premium,
Make-Whole Amounts, interest or Additional Amount in respect of such Global
Security, will immediately credit Participants' accounts with payments in
amounts proportionate to their respective beneficial interests in such Global
Security as shown on the records of such Depositary. The Company also expects
that payments by Participants to owners of beneficial interests in such Global
Security held through such Participants will be governed by standing customer
instructions and customary practices, as is now the case with the securities
held for the accounts of customers in bearer form or registered in "street
name," and will be the responsibility of such Participants.
 
     If the Depositary for any Debt Securities represented by a Global Security
is at any time unwilling, unable or ineligible to continue as Depositary, and a
successor Depositary is not appointed by the Company within 90 days, the Company
will issue such individual Debt Securities in definitive form in exchange for
such Global Security. In addition, the Company may at any time and in its sole
discretion determine not to have any of the Debt Securities of a series
represented by one or more Global Securities and, in such event, will issue Debt
Securities of such series in a definitive form in exchange for all of the Global
Security or Securities representing such Debt Securities. Any Debt Securities
issued in definitive form in exchange for a Global Security will be registered
in such name or names as the Depositary shall instruct the Trustee. It is
expected that such instructions will be based upon directions received by the
Depositary from Participants with respect to ownership of beneficial interests
in such Global Security.
 
     Bearer Debt Securities of a series may also be issued in the form of one or
more global Securities (a "Bearer Global Security") that will be deposited with
a depositary such as Euroclear and CEDEL, or with a nominee for such depositary
identified in the Prospectus Supplement relating to such series. The specific
terms and procedures, including the specific terms of the depositary arrangement
and any specific procedures for the issuance of Debt Securities in definitive
form in exchange for a Bearer Global Security, with respect to any portion of a
series of Debt Securities to be represented by a Bearer Global Security will be
described in the Prospectus Supplement relating to such series.
 
MERGER, CONSOLIDATION OR SALE
 
     The Company may consolidate with, or sell, lease or convey all or
substantially all of its assets to, or merge with or into, any other
corporation, trust or entity provided that: (i) either the Company shall be the
continuing entity, or the successor entity (if other than the Company) formed by
or resulting from any such consolidation or merger or which shall have received
the transfer of such assets shall be an entity organized under the laws of any
United States or a state thereof and expressly assumes by supplemental indenture
the due and punctual payment of the principal of (and premium or Make-Whole
Amount, if any) and interest (including any Additional Amounts), if any, on all
of the Debt Securities and the due and punctual performance and observance of
all of the covenants and conditions contained in each Indenture; (ii)
immediately after giving effect to such transaction and treating any
indebtedness that becomes an obligation of the Company or any Subsidiary as a
result thereof as having been incurred by the Company or such Subsidiary at the
time of such transaction, no Event of Default under the Indenture, and no event
which, after notice or the lapse of time, or both, would become such an Event of
Default, shall have occurred and be
 
                                       20
<PAGE>   22
 
continuing; and (iii) an Officer's Certificate and a legal opinion covering such
conditions are delivered to the Trustee. (Sections 801 and 803).
 
     This covenant would not apply to any recapitalization transaction, a change
of control of the Company or a highly leveraged transaction unless such
transactions or change of control were structured to include a merger,
consolidation or transfer or lease of the Company's assets substantially as an
entirety. Except as may be described in a Prospectus Supplement applicable to a
particular series of Debt Securities, there are no covenants or other provisions
in the Indentures providing for a put right or increased interest or that would
otherwise afford holders of Debt Securities additional protection in the event
of a recapitalization transaction, a change of control of the Company or a
highly leveraged transaction.
 
CERTAIN COVENANTS
 
     Existence.  Except as permitted above under "Merger, Consolidation or
Sale," the Company will do or cause to be done all things necessary to preserve
and keep in full force and effect the existence, rights (charter and statutory)
and franchises of the Company and its Subsidiaries; provided, however, that the
Company shall not be required to preserve any right or franchise if it
determines that the preservation thereof is no longer desirable in the conduct
of the business of the Company and its Subsidiaries as a whole, and that the
loss thereof is not disadvantageous in any material respect to the holders of
the Debt Securities of any series (Section 1005).
 
     Maintenance of Properties.  The Company will cause all of its material
properties used or useful in the conduct of its business or the business of any
Subsidiary to be maintained and kept in good condition, repair and working order
and supplied with all necessary equipment, and will cause to be made all
necessary repairs, renewals, replacements, betterments and improvements thereof,
all as in the judgment of the Company may be necessary so that the business
carried on in connection therewith may be properly and advantageously conducted
at all times; provided, however, that the Company and its Subsidiaries shall not
be prevented from selling or otherwise disposing of their properties in the
ordinary course of business (Section 1006).
 
     Insurance.  The Indentures require the Company and each of its Subsidiaries
to keep all of their insurable properties insured against loss or damage with
commercially reasonable amounts and types of insurance provided by insurers of
recognized responsibility (Section 1007).
 
     Payment of Taxes and Other Claims.  The Company will pay or discharge, or
cause to be paid or discharged, before the same shall become delinquent, (i) all
taxes, assessments and governmental charges levied or imposed upon it or any
Subsidiary or upon the income, profits or property of the Company or any
Subsidiary and (ii) all lawful claims for labor, materials and supplies which,
if unpaid, might by law become a lien upon the property of the Company or any
Subsidiary; provided, however, that the Company and its Subsidiaries shall not
be required to pay or discharge or cause to be paid or discharged any such tax,
assessment, charge or claim whose amount, applicability or validity is being
contested in good faith by appropriate proceedings (Section 1008).
 
     Provision of Financial Information.  Whether or not the Company is subject
to Section 13 or 15(d) of the Exchange Act, the Company will, within 15 days of
each of the respective dates by which the Company would have been required to
file annual reports, quarterly reports and other documents with the Commission
pursuant to such Sections 13 and 15(d) if the Company were so subject, (i) file
with the applicable Trustee copies of the annual reports, quarterly reports and
other documents that the Company would have been required to file with the
Commission pursuant to Section 13 or 15(d) of the Exchange Act if the Company
were subject to such Sections, and (ii) promptly upon written request and
payment of the reasonable cost of duplication and delivery, supply copies of
such documents to a Holder or any prospective Holder (Section 1009).
 
     Waiver of Certain Covenants.  The Company may omit to comply with any term,
provision or condition of the foregoing covenants, and with any other term,
provision or condition with respect to the Debt Securities of any series
specified in Section 301 of the Indentures (except any such term, provision or
condition which could not be amended without the consent of all Holders of Debt
Securities of such series), if before or after
 
                                       21
<PAGE>   23
 
the time for such compliance, the Holders of at least a majority in principal
amount of all outstanding Debt Securities of such series, by act of such
Holders, either waive such compliance in such instance or generally waive
compliance with such covenant or condition, except to the extent so expressly
waived, and until such waiver shall become effective, the obligations of the
Company and the duties of the Trustee in respect of any such term, provision or
condition shall remain in full force and effect (Section 1012).
 
     Additional Covenants.  Any additional covenants with respect to any series
of Debt Securities will be set forth in the Prospectus Supplement relating
thereto.
 
EVENTS OF DEFAULT, NOTICE AND WAIVER
 
     Except as otherwise provided in a Prospectus Supplement with respect to a
particular series of Debt Securities, each Indenture provides that the following
events are "Events of Default" with respect to any series of Debt Securities
issued thereunder: (i) default for 30 days in the payment of any installment of
interest or Additional Amounts, if any, payable on any Debt Security of such
series; (ii) default in the payment of the principal of (or premium or
Make-Whole Amount, if any, on) any Debt Security of such series when due, either
at maturity, redemption or otherwise; (iii) default in making any sinking fund
payment as required for any Debt Security of such series; (iv) default in the
performance or breach of any other covenant of the Company contained in the
Indenture (other than a covenant added to the Indenture solely for the benefit
of a series of Debt Securities issued thereunder other than such series),
continued for 60 days after written notice as provided in the applicable
Indenture; (v) default under a bond, debenture, note, mortgage or instrument or
other evidence of indebtedness for money borrowed by the Company (or by any
Subsidiary, the repayment of which the Company has guaranteed or for which the
Company is directly responsible or liable as obligor or guarantor) having a
principal amount outstanding in excess of $10,000,000 (other than indebtedness
which is non-recourse to the Company or the Subsidiaries), whether such
indebtedness now exists or shall hereafter be created, which default shall have
resulted in such indebtedness becoming or being declared due and payable prior
to the date on which it would otherwise have become due and payable, without
such acceleration having been rescinded or annulled within 60 days after written
notice to the Company as provided in the Indenture; (vi) certain events of
bankruptcy, insolvency or reorganization or court appointment of a receiver,
liquidator or appointment of a trustee for the Company or any Significant
Subsidiary or for all or substantially all of the property of either; and (vii)
any other Event of Default provided with respect to a particular series of Debt
Securities (Section 501). The term "Significant Subsidiary" means each
significant subsidiary, as defined under Regulation S-X promulgated under the
Securities Act) of the Company.
 
     If an Event of Default under an Indenture with respect to Debt Securities
of any series at the time outstanding occurs and is continuing, then in every
such case the applicable Trustee or the Holders of not less than 25% in
principal amount of the Outstanding Debt Securities of such affected series
(voting as a single class) may declare the principal amount (or, if the Debt
Securities of that series are Original Issue Discount Securities or Indexed
Securities, such portion of the principal amount as may be specified in the
terms thereof) of, and premium or Make-Whole Amount, if any, on all of the Debt
Securities of that series to be due and payable immediately by written notice
thereof to the Company (and to the applicable Trustee if given by the Holders).
However, at any time after such a declaration of acceleration with respect to
Debt Securities of such series (or of all Debt Securities then Outstanding under
the applicable Indenture, as the case may be) has been made, but before a
judgment or decree for payment of the money due has been obtained by the
applicable Trustee, the Holders of not less than a majority in principal amount
of the Outstanding Debt Securities of such series (or of all Debt Securities
then Outstanding under the applicable Indenture, as the case may be) may rescind
and annul such declaration and its consequences if (i) the Company shall have
deposited with the applicable Trustee all required payments of the principal of
(and premium or Make-Whole Amount, if any) and interest, and any Additional
Amounts, on the Debt Securities of such series (or of all Debt Securities then
Outstanding under the applicable Indenture, as the case may be), plus certain
fees, expenses, disbursements and advances of the applicable Trustee and (ii)
all Events of Default, other than the nonpayment of accelerated principal (or a
specified portion thereof and the premium or Make-Whole Amount, if any) or
interest, with respect to Debt Securities of such series (or of all Debt
Securities then Outstanding under the applicable Indenture, as the case may be)
have been cured or waived as provided in the
 
                                       22
<PAGE>   24
 
Indenture (Section 502). Each Indenture also provides that the Holders of not
less than a majority in principal amount of the Outstanding Debt Securities of
any series (or of all Debt Securities then Outstanding under the applicable
Indenture, as the case may be) may waive any past default with respect to such
series and its consequences, except a default (x) in the payment of principal of
(or premium or Make-Whole Amount, if any) or interest or Additional Amounts, if
any, on any Debt Security of such series or (y) in respect of a covenant or
provision contained in the applicable Indenture that cannot be modified or
amended without the consent of the Holders of each Outstanding Debt Security
affected thereby (Section 513).
 
     The Trustee is required to give notice to the Holders of Debt Securities
within 90 days of a default under the applicable Indenture unless such default
shall have been cured or waived; provided, however, that such Trustee may
withhold notice to the Holders of any series of Debt Securities of any default
with respect to such series (except a default in the payment of the principal of
(or premium or Make-Whole Amount, if any) or interest or Additional Amounts, if
any, on any Debt Security of such series or in the payment of any sinking fund
installment in respect of any Debt Security of such series) if the Responsible
Officers (as defined in the Indentures) of such Trustee consider such
withholding to be in the interest of such Holders (Section 601).
 
     Each Indenture provides that no Holder of Debt Securities of any series may
institute any proceedings, judicial or otherwise, with respect to such Indenture
or for any remedy thereunder, except in the case of failure of the applicable
Trustee, for 60 days, to act after it has received a written request to
institute proceedings in respect of an Event of Default from the Holders of not
less than 25% in principal amount of the Outstanding Debt Securities of such
series, as well as an offer of indemnity reasonably satisfactory to it (Section
507). This provision will not prevent, however, any Holder of Debt Securities
from instituting suit for the enforcement of payment of the principal of (and
premium or Make-Whole Amount, if any) and interest if any, on or Additional
Amounts, if any, payable with respect to, such Debt Securities at the respective
due dates thereof (Section 508).
 
     Subject to provisions in each Indenture relating to its duties in case of
default, the Trustee is not under an obligation to exercise any of its rights or
powers under such Indenture at the request or direction of any Holders of any
series of Debt Securities then Outstanding under such Indenture, unless such
Holders shall have offered to the Trustee thereunder reasonable security or
indemnity (Section 602). Subject to such provisions for the indemnification of
the Trustee, the Holders of not less than a majority in principal amount of the
Outstanding Debt Securities of any series (or of all Debt Securities then
Outstanding under each Indenture, as the case may be) shall have the right to
direct the time, method and place of conducting any proceeding for any remedy
available to the applicable Trustee, or of exercising any trust or power
conferred upon such Trustee. However, the Trustee may refuse to follow any
direction which is in conflict with any law or the applicable Indenture, which
may involve such Trustee in personal liability or which may be unduly
prejudicial to the Holders of Debt Securities of such series not joining therein
(Section 512).
 
     Within 120 days after the close of each fiscal year, the Company must
deliver to each Trustee a certificate, signed by one of several specified
officers, stating such officer's knowledge of the Company's compliance with all
the conditions and covenants under the applicable Indenture and, in the event of
any noncompliance, specifying such noncompliance and the nature and status
thereof (Section 1010).
 
MODIFICATION OF THE INDENTURES
 
     Modifications and amendments of the provisions of an Indenture applicable
to any series may be made only with the consent of the Holders of not less than
a majority in principal amount of all Outstanding Debt Securities issued under
such Indenture which are affected by such modification or amendment; provided,
however, that no such modification or amendment may, without the consent of the
Holder of each such Debt Security affected thereby, (i) change the Stated
Maturity (as defined in the Indentures) of the principal of (or premium or
Make-Whole Amount, if any), or any installment of principal of or interest or
Additional Amounts, if any, payable on, any such Debt Security, (ii) reduce the
principal amount of, or the rate or amount of interest on, or any premium or
Make-Whole Amount, payable on redemption of or any Additional Amount, if any,
payable with respect to any such Debt Security, or reduce the amount of
principal of an Original Issue Discount Security or Make-Whole Amount, if any,
that would be due and payable upon
 
                                       23
<PAGE>   25
 
declaration of acceleration of the maturity thereof or would be provable in
bankruptcy, or adversely affect any right of repayment of the Holder of any such
Debt Security, (iii) change the Place of Payment where, or the currency or
currencies, currency units or composite currency or currencies in which payment
of the principal of (and Premium or Make-Whole Amount, if any), or interest on,
or any Additional Amounts payable with respect to, any such Debt Security, is
payable, (iv) impair the right to institute suit for the enforcement of any
payment on or with respect to any such Debt Security on or after the stated
maturity thereof, (v) reduce the percentage of the Holders of outstanding Debt
Securities of any series necessary to modify or amend the applicable Indenture,
to waive compliance with certain provisions thereof or certain defaults and
consequences thereunder or to reduce the quorum or voting requirements set forth
in the applicable Indenture, or (vi) modify any of the foregoing provisions or
any of the provisions relating to the waiver of certain past defaults or certain
covenants, except to increase the required percentage to effect such action or
to provide that certain other provisions may not be modified or waived without
the consent of the Holder of such Debt Security (Section 902).
 
     The Holders of not less than a majority in principal amount of Outstanding
Debt Securities issued under either Indenture have the right to waive compliance
by the Company with certain covenants in such Indenture (Section 1012).
 
     Modifications and amendments of an Indenture may be made by the Company and
the respective Trustee thereunder without the consent of any Holder of Debt
Securities for any of the following purposes: (i) to evidence the succession of
another Person to the Company as obligor under such Indenture; (ii) to add to
the covenants of the Company for the benefit of the Holders of all or any series
of Debt Securities or to surrender any right or power conferred upon the Company
in such Indenture; (iii) to add Events of Default for the benefit of the Holders
of all or any series of Debt Securities; (iv) to add or change any provisions of
an Indenture to facilitate the issuance of, or to liberalize certain terms of,
Debt Securities in bearer form, or to permit or facilitate the issuance of Debt
Securities in uncertificated form, provided that such action shall not adversely
affect the interests of the Holders of the Debt Securities of any series in any
material respect; (v) to add, change or eliminate any provisions of an
Indenture, provided that any such addition, change or elimination shall become
effective only when there are no Outstanding Debt Securities of any series
created prior thereto which are entitled to the benefit of such provision; (vi)
to secure the Debt Securities; (vii) to establish the form or terms of Debt
Securities of any series, including the provisions and procedures, if
applicable, for the conversion or exchange of such Debt Securities into Common
Stock, Preferred Stock or other securities or property of the Company; (viii) to
provide for the acceptance or appointment of a successor Trustee or facilitate
the administration of the trusts under an Indenture by more than one Trustee;
(ix) to cure any ambiguity, defect or inconsistency in an Indenture, provided
that such action shall not adversely affect the interests of Holders of Debt
Securities of any series issued under such Indenture; (x) to close an Indenture
with respect to the authentication and delivery of additional series of Debt
Securities or to qualify, or maintain qualification of, an Indenture under the
TIA; or (xi) to supplement any of the provisions of an Indenture to the extent
necessary to permit or facilitate defeasance and discharge of any series of such
Debt Securities, provided that such action shall not adversely affect the
interests of the Holders of the Debt Securities of any series in any material
respect (Section 901).
 
SUBORDINATION
 
     The terms and conditions, if any, upon which Debt Securities are
subordinated to other indebtedness will be set forth in the applicable
Prospectus Supplement relating thereto. Such terms will include a description of
the indebtedness ranking senior to a series of Debt Securities. Unless otherwise
indicated in a Prospectus Supplement for a particular series of Subordinated
Debt Securities, the following subordination provisions will apply to
Subordinated Debt Securities.
 
     Upon any distribution to creditors of the Company in a liquidation,
dissolution, bankruptcy, insolvency or reorganization, the payment of the
principal of and interest (and premium, if any) on the Subordinated Debt
Securities will be subordinated to the extent provided in the Subordinated
Indenture in right of payment to the prior payment in full of all Senior Debt
(Sections 1701 and 1702 of the Subordinated Indenture), but the obligation of
the Company to make payment of the principal of and interest on the Subordinated
Securities
 
                                       24
<PAGE>   26
 
will not otherwise be affected (Section 1708 of the Subordinated Indenture). No
payment of principal or interest (and premium, if any) may be made on the
Subordinated Debt Securities at any time in the event there shall have occurred
and be continuing a default in any payment with respect to Senior Debt, or an
event of default with respect to any Senior Debt resulting in the acceleration
of the maturity thereof, or if any judicial proceeding shall be pending with
respect to any such default and the Company receives notice of the default
(Section 1703 of the Subordinated Indenture). The Company may resume payments on
the Subordinated Debt Securities when the default is cured or waived if the
subordination provisions of the Subordinated Indenture otherwise permit payment
at that time (Section 1703 of the Subordinated Indenture). After all Senior Debt
is paid in full and until the Subordinated Debt Securities are paid in full,
Holders of such Subordinated Debt Securities will be subrogated to the rights of
holders of Senior Debt to the extent that payments otherwise payable to Holders
have been made to holders of Senior Debt (Section 1707 of the Subordinated
Indenture). By reason of such subordination, in the event of a distribution of
assets upon insolvency, certain general creditors of the Company may recover
more, ratably, than Holders of the Subordinated Securities.
 
     There is no limit on the amount of Senior Debt that the Company may incur.
At December 31, 1997, Senior Debt of the Company aggregated approximately $139.4
million. There are no restrictions in the Subordinated Indenture upon the
creation of additional Senior Debt or other indebtedness.
 
DISCHARGE, DEFEASANCE AND COVENANT DEFEASANCE
 
     Under each Indenture, the Company may discharge certain obligations to
Holders of any series of Debt Securities issued thereunder that have not already
been delivered to the applicable Trustee for cancellation and that either have
become due and payable or will become due and payable within one year (or
scheduled for redemption within one year) by irrevocably depositing with the
applicable Trustee, in trust, funds in such currency or currencies, currency
unit or units or composite currency or currencies in which such Debt Securities
are payable in an amount sufficient to pay the entire indebtedness on such Debt
Securities in respect of principal (and premium or Make-Whole Amount, if any)
and interest and any Additional Amounts payable to the date of such deposit (if
such Debt Securities have become due and payable) or to the Stated Maturity or
Redemption Date, as the case may be (Section 401).
 
     Each Indenture provides that, if the provisions of Article Fourteen thereof
are made applicable to the Debt Securities of or within any series pursuant to
Section 301 of such Indenture, the Company may elect either (i) to defease and
be discharged from any and all obligations with respect to such Debt Securities
(except for the obligation to pay Additional Amounts, if any, upon the
occurrence of certain events of tax assessment or governmental charge with
respect to payments on such Debt Securities and the obligations to register the
transfer or exchange of such Debt Securities, to replace temporary or mutilated,
destroyed, lost or stolen Debt Securities, to maintain an office or agency in
respect of such Debt Securities and to hold monies for payment in trust)
("defeasance") (Section 1402) or (ii) to be released from its obligations with
respect to such Debt Securities under Sections of each Indenture described under
"Certain Covenants" or, if provided pursuant to Section 301 of each Indenture,
its obligations with respect to any other covenant, and any omission to comply
with such obligations shall not constitute a default or an Event of Default with
respect to such Debt Securities ("covenant defeasance") (Section 1403), in
either case upon the irrevocable deposit by the Company with the applicable
Trustee, in trust, of an amount, in such currency or currencies, currency unit
or units or composite currency or currencies in which such Debt Securities are
payable at Stated Maturity, or Government Obligations (as defined below), or
both, applicable to such Debt Securities which through the scheduled payment of
principal and interest in accordance with their terms will provide money in an
amount sufficient to pay the principal of (and premium or Make-Whole Amount, if
any) and interest and any Additional Amounts on such Debt Securities, and any
mandatory sinking fund or analogous payments thereon, on the scheduled due dates
therefor.
 
     Such a trust may only be established if, among other things, the Company
has delivered to the applicable Trustee an Opinion of Counsel (as specified in
each Indenture) to the effect that the Holders of such Debt Securities will not
recognize income, gain or loss for United States federal income tax purposes as
a result of such defeasance or covenant defeasance and will be subject to United
States federal income tax on the same
 
                                       25
<PAGE>   27
 
amounts, in the same manner and at the same times as would have been the case if
such defeasance or covenant defeasance had not occurred, and such Opinion of
Counsel, in the case of defeasance, must refer to and be based upon a ruling of
the Internal Revenue Service or a change in applicable United States federal
income tax laws occurring after the date of such Indenture (Section 1404).
 
     "Government Obligations" means securities which are (i) direct obligations
of the United States of America or the government which issued the Foreign
Currency (as defined in the Indentures) in which the Debt Securities of a
particular series are payable, for the payment of which its full faith and
credit is pledged or (ii) obligations of a Person controlled or supervised by
and acting as an agency or instrumentality of the United States of America or
the government which issued the Foreign Currency in which the Debt Securities of
such series are payable, the payment of which is unconditionally guaranteed as a
full faith and credit obligation by the United States of America or such other
government, which, in either case, are not callable or redeemable at the option
of the issuer thereof, and shall also include a depository receipt issued by a
bank or trust company as custodian with respect to any such Government
Obligation or a specific payment of interest on or principal of any such
Government Obligation held by such custodian for the account of the holder of a
depository receipt, provided that (except as required by law) such custodian is
not authorized to make any deduction from the amount payable to the holder of
such depository receipt from any amount received by the custodian in respect of
the Government Obligation or the specific payment of interest on or principal of
the Government Obligation evidenced by such depository receipt (Section 101).
 
     Unless otherwise provided in the applicable Prospectus Supplement, if after
the Company has deposited funds and/or Government Obligations to effect
defeasance or covenant defeasance with respect to Debt Securities of any series,
(i) the Holder of a Debt Security of such series is entitled to, and does, elect
pursuant to Section 301 of either Indenture or the terms of such Debt Security
to receive payment in a currency, currency unit or composite currency other than
that in which such deposit has been made in respect of such Debt Security, or
(ii) a Conversion Event (as defined below) occurs in respect of the currency,
currency unit or composite currency in which such deposit has been made, the
indebtedness represented by such Debt Security shall be deemed to have been, and
will be, fully discharged and satisfied through the payment of the principal of
(and premium or Make-Whole Amount, if any) and interest and any Additional
Amounts on such Debt Security as they become due out of the proceeds yielded by
converting the amount so deposited in respect of such Debt Security into the
currency, currency unit or composite currency in which such Debt Security
becomes payable as a result of such election or such cessation of usage based on
the applicable market exchange rate (Section 1405).
 
     Unless otherwise provided in a Prospectus Supplement, "Conversion Event"
means the cessation of use of (i) a currency, currency unit or composite
currency issued by the government of one or more countries other than the United
States both by the government of the country that issued such currency and for
the settlement of transactions by a central bank or other public institutions of
or within the international banking community, or (ii) the ECU, both within the
European Monetary System and for the settlement of transactions by public in
situations of or within the European Community, or (iii) any currency unit or
composite currency for the purposes for which it was established (Section 101).
Unless otherwise provided in the applicable Prospectus Supplement, all payments
of principal of (and premium or Make-Whole Amount, if any) and interest and any
Additional Amounts on any Debt Security that is payable in a Foreign Currency
that ceases to be used by its government of issuance shall be made in United
States dollars.
 
     In the event the Company effects covenant defeasance with respect to any
Debt Securities and such Debt Securities are declared due and payable because of
the occurrence of any Event of Default other than the Event of Default described
in clause (iv) under "Events of Default, Notice and Waiver" with respect to
Sections 1004 to 1009, inclusive, of either Indenture (which Sections would no
longer be applicable to such Debt Securities) or described in clause (vii) under
"Events of Default, Notice and Waiver" with respect to a covenant as to which
there has been covenant defeasance, the amount in such currency, currency unit
or composite currency in which such Debt Securities are payable, and Government
Obligations on deposit with the Trustee, will be sufficient to pay amounts due
on such Debt Securities at the time of their Stated Maturity, but may not be
sufficient to pay amounts due on such Debt Securities at the time of the
acceleration resulting
 
                                       26
<PAGE>   28
 
from such Event of Default. However, the Company would remain liable to make
payment of such amounts due at the time of acceleration.
 
     The applicable Prospectus Supplement may further describe the provisions,
if any, permitting such defeasance or covenant defeasance, including any
modifications to the provisions described above, with respect to the Debt
Securities of or within a particular series.
 
CONVERSION AND EXCHANGE RIGHTS
 
     The terms on which Debt Securities of any series are convertible into or
exchangeable for Common Stock, Preferred Stock or other securities or property
of the Company will be set forth in the Prospectus Supplement relating thereto.
Such terms shall include the conversion or exchange price or rate (or manner of
calculation thereof), the exchange or conversion period, provisions as to
whether conversion or exchange is mandatory, or voluntary at the option of the
Holder or at the option of the Company, any restrictions on conversion or
exchange in the event of redemption of such Debt Securities and any restrictions
on conversion or exchange, including restrictions directed at maintaining the
Company's REIT status, and may include provisions pursuant to which the number
of shares of Common Stock, Preferred Stock or other securities or property of
the Company to be received by the Holders of Debt Securities would be calculated
according to the market price of Common Stock, Preferred Stock or other
securities or property of the Company as of a time stated in the Prospectus
Supplement. The conversion or exchange price or prices, or rate or rates of any
Debt Securities of any series that are convertible into Common Stock or
Preferred Stock of the Company may be adjusted for any stock dividends, stock
splits, reclassification, combinations or similar transactions, as set forth in
the applicable Prospectus Supplement (Article Sixteen).
 
GOVERNING LAW
 
     The Indentures are governed by and shall be construed in accordance with
the laws of the State of Georgia.
 
REDEMPTION OF DEBT SECURITIES
 
     The Indentures provide that the Debt Securities may be redeemed at any time
at the option of the Company, in whole or in part. Debt Securities may also be
subject to optional or mandatory redemption on terms and conditions described in
the applicable Prospectus Supplement.
 
     From and after notice has been given as provided in the Indenture, if funds
for the redemption of any Debt Securities called for redemption shall have been
made available on such redemption date, such Debt Securities will cease to bear
interest on the date fixed for such redemption specified in such notice, and the
only right of the Holders of the Debt Securities will be to receive payment of
the Redemption Price.
 
                                       27
<PAGE>   29
 
                            DESCRIPTION OF WARRANTS
 
GENERAL
 
     The Company may issue Warrants to purchase Common Stock, Preferred Stock,
Depositary Shares, Debt Securities or any combination thereof (collectively, the
"Underlying Warrant Securities") such Warrants may be issued independently or
together with any such Underlying Warrant Securities and may be attached or
separate from such Underlying Warrant Securities. Each series of Warrants will
be issued under a separate warrant agreement (each a "Warrant Agreement") to be
entered into between the Company and a warrant agent specified in the related
Prospectus Supplement ("Warrant Agent"). The Warrant Agent will act solely as an
agent of the Company in connection with the Warrants of such series and will not
assume any obligation or relationship of agency or trust for or with holders or
beneficial owners of Warrants. The following sets forth certain general terms
and provisions of the Warrants offered hereby. Further terms of the Warrants and
the applicable Warrant Agreement are set forth in the applicable Prospectus
Supplement.
 
     The applicable Prospectus Supplement will describe the terms of any
Warrants in respect of which this Prospectus is being delivered, including the
following: (i) the title of such Warrants; (ii) the aggregate number of such
Warrants; (iii) the price or prices at which such Warrants will be issued; (iv)
the currency or currencies, including composite currencies or currency units, in
which the price of such Warrants may be payable; (v) the designation and terms
of the Underlying Warrant Securities purchasable upon exercise of such Warrants;
(vi) the price at which and the currency or currencies, including composite
currencies or currency units, in which the Underlying Warrant Securities
purchasable upon exercise of such Warrants may be purchased; (vii) the date on
which the right to exercise such Warrants shall commence and the date on which
such right shall expire; (viii) whether such Warrants will be issued in
registered form or bearer form; (ix) if applicable, the minimum or maximum
amount of such Warrants which may be exercised at any one time; (x) if
applicable, the date on and after which such Warrants and the related Underlying
Warrant Securities will be separately transferable; (xi) information with
respect to book-entry procedures, if any; (xii) if applicable, a discussion of
certain United States federal income tax considerations; and (xiii) any other
terms of such Warrants, including terms, procedures and limitations relating to
the exchange and exercise of such Warrants, including restrictions directed at
maintaining the Company's REIT status.
 
     Warrant certificates may be exchanged for new warrant certificates of
different denominations, and Warrants may be exercised at the corporate trust
office of the Warrant Agent or any other office indicated in the Prospectus
Supplement. Prior to the exercise of their Warrants, holders of Warrants will
not have any of the rights of holders of the respective Underlying Warrant
Securities purchasable upon such exercise.
 
                              PLAN OF DISTRIBUTION
 
     The Company may offer and sell the Offered Securities to or through
underwriters or dealers, and also may offer and sell the Offered Securities
directly to other purchasers, or through designated agents or any combination.
Any such underwriter or agent involved in the offer and sale of the Offered
Securities will be named in the applicable Prospectus Supplement.
 
     Sales of Offered Securities offered pursuant to a Prospectus Supplement may
be effected from time to time in one or more transactions at a fixed price or
prices, which may be changed, or at market prices prevailing at the time of
sale, at prices related to such prevailing market prices or at negotiated
prices. The Company also may, from time to time, authorize underwriters acting
as the Company's agents to offer and sell the Offered Securities upon the terms
and conditions set forth in any Prospectus Supplement.
 
     If so indicated in the applicable Prospectus Supplement, the Company will
authorize dealers acting as the Company's agents to solicit offers by certain
institutions to purchase Offered Securities from the Company at the public
offering price set forth in such Prospectus Supplement pursuant to Delayed
Delivery Contracts ("Contracts") providing for payment and delivery on the date
or dates stated in such Prospectus Supplement. Each Contract will be for an
amount not less than, and the principal amount of Offered Securities sold
pursuant to Contracts shall not be less nor more than, the respective amounts
stated in such Prospectus
 
                                       28
<PAGE>   30
 
Supplement. Institutions with which Contracts, when authorized, may be made
include commercial and savings banks, insurance companies, pension funds,
investment companies, educational and charitable institutions and other
institutions, but will in all cases be subject to the approval of the Company.
Contracts will not be subject to any conditions except (i) the purchase by an
institution of the Offered Securities covered by its Contract shall not at the
time of delivery be prohibited under the laws of any jurisdiction in the United
States to which such institution is subject and (ii) the Company shall have sold
to such underwriters the total principal amount of the Offered Securities less
the principal amount thereof covered by Contracts. A commission indicated in the
Prospectus Supplement will be paid to agents and underwriters soliciting
purchases of Offered Securities pursuant to Contracts accepted by the Company.
Agents and underwriters shall have no responsibility in respect of the delivery
or performance of Contracts.
 
     In connection with the sale of Offered Securities, underwriters may receive
compensation from the Company or from purchasers of the Offered Securities, for
whom they may act as agents, in the form of discounts, concessions or
commissions. Underwriters may sell the Offered Securities to or through dealers,
and such dealers may receive compensation in the form of discounts, concessions
or commissions from the underwriters and/or commissions from the purchasers for
whom they may act as agents. Underwriters, dealers and agents that participate
in the distribution of the Offered Securities may be deemed to be underwriters,
and any discounts or commissions they receive from the Company, and any profit
on the resale of the Offered Securities they realize may be deemed to be
underwriting discounts and commissions under the Securities Act. Any such
underwriter or agent will be identified, and any such compensation received from
the Company will be described, in the applicable Prospectus Supplement.
 
     Unless otherwise specified in a related Prospectus Supplement, each series
of the Offered Securities will be a new issue with no established trading
market, other than the Common Stock which is listed on the NYSE. Any Common
Stock sold pursuant to a Prospectus Supplement will be listed on the NYSE,
subject to official notice of issuance. The Company may elect to list any of the
other Offered Securities on an exchange, but is not obligated to do so. It is
possible that one or more underwriters may make a market in a series of the
Offered Securities, but will not be obligated to do so and may discontinue any
market making at any time without notice. Therefore, no assurance can be given
as to the liquidity of the trading market for the Offered Securities.
 
     Under agreements the Company may enter into, underwriters, dealers and
agents who participate in the distribution of the Offered Securities may be
entitled to indemnification by the Company against certain liabilities,
including liabilities under the Securities Act, or to contribution with respect
to payments which such agents, dealers or underwriters may be required to make
in respect thereof.
 
     Underwriters, dealers and agents may engage in transactions with, or
perform services for, or be customers of, the Company in the ordinary course of
business.
 
         CERTAIN FEDERAL INCOME TAX CONSIDERATIONS APPLICABLE TO REITS
 
     The provisions of the Code pertaining to REITs are highly technical and
complex. The following is a very general summary of certain provisions which
currently govern the federal income tax treatment of the Company and its
shareholders. For the particular provisions which govern the federal income tax
treatment of the Company and its shareholders, reference is made to Sections 856
through 860 of the Code and the Treasury Regulations promulgated thereunder. The
following summary is qualified in its entirety by such reference. This
discussion does not address any state tax considerations or issues that arise as
a result of investors' special circumstances or special status under the Code.
 
     INVESTORS ARE URGED TO CONSULT THEIR OWN TAX ADVISORS WITH RESPECT TO THE
TAX CONSEQUENCES OF AN INVESTMENT IN THE COMPANY ARISING UNDER FEDERAL LAW AND
THE LAWS OF ANY STATE, LOCAL OR FOREIGN JURISDICTION. FOREIGN INVESTORS SHOULD
CONSULT THEIR OWN TAX ADVISORS CONCERNING THE TAX CONSEQUENCES OF AN INVESTMENT
IN THE COMPANY INCLUDING THE POSSIBILITY OF U.S. INCOME TAX WITHHOLDING ON
COMPANY DISTRIBUTIONS.
 
                                       29
<PAGE>   31
 
GENERAL
 
     The Company believes that it is organized and has operated, and the Company
intends to continue to operate, in such a manner as to qualify as a REIT under
the Code. Although management of the Company believes it was organized, has
operated and is operating in such a manner, no assurance can be given that the
Company has so qualified or that it will at all times so qualify.
 
TAXATION OF THE COMPANY
 
     So long as the Company qualifies for taxation as a REIT and distributes at
least 95% of its REIT taxable income (computed without regard to net capital
gain or the dividends paid deduction) for its taxable year to its shareholders,
it generally will not be subject to federal income tax with respect to income
which it distributes to its shareholders. However, the Company may be subject to
federal income tax under certain circumstances, including taxes at regular
corporate rates on any undistributed REIT taxable income, the "alternative
minimum tax" on its items of tax preference, and taxes imposed on income and
gain generated by certain transactions.
 
QUALIFICATION
 
     To qualify as a REIT under the Code for a taxable year, the Company must
meet certain organizational and operational requirements, which generally
require it to be a passive investor in operating real estate and to avoid
excessive concentration of the ownership of its capital stock. First, the
Company must be managed by one or more trustees or directors. Second, the
beneficial ownership of the Company must be evidenced by transferable shares or
by transferable certificates of beneficial ownership. Third, the Company must be
taxable as a domestic corporation but for the REIT requirements. Fourth, the
Company must not be either a financial institution or an insurance company
subject to certain provisions of the Code. Fifth, the beneficial ownership of
the Company must be held by 100 or more persons. Sixth, during the last half of
each taxable year, not more than 50% in value of the outstanding stock of the
Company may be owned, directly or indirectly, and with the application of
certain ownership attribution rules, by five or fewer individuals. Seventh, the
Company must have filed an election to be taxed as a REIT on its current or
prior income tax return and must not have revoked such election. Eighth, the
Company must satisfy certain gross income tests and asset tests, as described
below. The Code provides that the first four conditions must be met during the
entire taxable year and that the fifth condition must be met during at least 335
days of a taxable year of 12 months or during a proportionate part of a taxable
year of less than 12 months.
 
INCOME TESTS
 
     In order to maintain qualification as a REIT, the Company annually must
satisfy two gross income requirements. First, at least 75% of the Company's
gross income (excluding gross income from prohibited transactions) for each
taxable year must be derived directly or indirectly from investments relating to
real property, including investments in other REITs or mortgages on real
property (including "rents from real property" (as defined in the Code) and, in
certain circumstances, interest). Second, at least 95% of the Company's gross
income (excluding gross income from prohibited transactions) for each taxable
year must be derived from such real property investments, dividends, interest,
and gain from the sale or disposition of stock or securities (or from any
combination of the foregoing). Certain other tests applied to REITs for years
ending on or before December 31, 1997.
 
     If the Company fails to satisfy one or both of the 75% or 95% gross income
tests for any taxable year, it may nevertheless qualify as a REIT for that year
if it is eligible for relief under a certain provision of the Code. This relief
provision generally will be available if (i) the Company's failure to meet these
tests was due to reasonable cause and not due to willful neglect, (ii) the
Company attaches a schedule of the nature and amount of each item of income to
its Federal income tax return and (iii) the inclusion of any incorrect
information on such schedule is not due to fraud with intent to evade tax. It is
not possible, however, to state whether in all circumstances the Company would
be entitled to the benefit of this relief provision. Even if this
 
                                       30
<PAGE>   32
 
relief provision applies, a 100% tax would be imposed with respect to the
portion of the Company's taxable income that fails the 75% or 95% gross income
test.
 
ASSET TESTS
 
     At the close of each quarter of its taxable year, the Company also must
satisfy four tests relating to the nature and diversification of its assets.
First, at least 75% of the value of the Company's total assets must be
represented by real estate assets, cash and cash items (including receivables),
and government securities. Second, no more than 25% of the value of the
Company's total assets may be represented by securities other than those in the
75% asset class. Third, not more than 5% of the value of the Company's assets
may consist of securities of any one issuer (other than those securities
includible in the 75% asset test). Fourth, not more than 10% of the outstanding
voting securities of any one issuer may be held by the Company (other than those
securities includible in the 75% asset test).
 
     After initially meeting the asset tests at the close of any quarter, the
Company will not lose its status as a REIT for failure to satisfy the asset
tests at the end of a later quarter solely by reason of changes in asset values.
If the failure to satisfy the asset tests results from an acquisition of
securities or other property during a quarter, the failure can be cured by
disposition of sufficient non-qualifying assets within 30 days after the close
of that quarter. The Company intends to maintain adequate records of the value
of its assets to ensure compliance with the asset tests and to take such other
actions within 30 days after the close of any quarter as may be required to cure
any noncompliance.
 
ANNUAL DISTRIBUTION REQUIREMENTS
 
     In order to be taxed as a REIT, the Company is required to make
distributions (other than capital gain distributions) to its shareholders in an
amount at least equal to (a) the sum of (i) 95% of the Company's "REIT taxable
income" (computed without regard to the dividends-paid deduction and the
Company's capital gain) and (ii) 95% of the net income, if any, from foreclosure
property in excess of the special tax on income from foreclosure property, minus
(b) the sum of certain items of non-cash income. Such distributions generally
must be paid in the taxable year to which they relate. Dividends paid in the
subsequent year may be treated as if paid in the prior year for purposes of such
prior year's 95% distribution requirement if applicable criteria are satisfied.
Even if the Company satisfies the foregoing distribution requirements, the
Company will be subject to tax on amounts not distributed at regular capital
gains or ordinary corporate tax rates to the extent that it does not distribute
all of its net capital gain or "REIT taxable income." Furthermore, if the
Company should fail to distribute during each calendar year at least the sum of
(a) 85% of its ordinary income for that year, (b) 95% of its capital gain net
income for that year, and (c) any undistributed taxable income from prior
periods, the Company would be subject to a 4% excise tax on the excess of such
required distribution over the amounts actually distributed. In addition, if the
Company should acquire any asset from a C corporation (i.e., a corporation
generally subject to full corporate-level tax) in a carryover-basis transaction
and the Company subsequently recognizes gain on the disposition of such asset
during the 10-year period beginning on the date on which the asset was acquired
by the Company, then such gain will be subject to tax at the highest regular
corporate rate, pursuant to guidelines issued by the Internal Revenue Service
("IRS"), and the Company will be required, pursuant to guidance issued by the
IRS, to distribute at least 95% of the built-in gain (after tax), if any,
recognized on the disposition of the asset.
 
FAILURE TO QUALIFY
 
     If the Company fails to qualify as a REIT, it will be subject to federal
income tax (including any applicable alternative minimum tax) on its taxable
income at corporate rates. In addition, unless entitled to relief under certain
statutory provisions, the Company also will be disqualified from treatment as a
REIT for the four taxable years following the year during which qualification is
lost. This treatment would reduce the net earnings of the Company available for
investment or distribution to shareholders because of the additional tax
liability for the year or years involved. In addition, distributions would no
longer be required to be made. To the extent that distributions to shareholders
would have been made in anticipation of the Company's qualifying as a REIT, the
Company might be required to borrow funds or to liquidate certain of its
 
                                       31
<PAGE>   33
 
investments to pay the applicable tax. The failure to qualify as a REIT also
would constitute a default under certain debt obligations of the Company.
 
     The failure to qualify as a REIT would have a material adverse effect on an
investment in the Company as the taxable income of the Company would be subject
to federal income taxation at corporate rates, and, therefore, the amount of
cash available for distribution to its shareholders would be reduced or
eliminated.
 
DISTRIBUTIONS TO SHAREHOLDERS
 
     Distributions to the Company's shareholders, other than capital gain
dividends discussed below, will constitute dividends up to the amount of the
Company's positive current and accumulated earnings and profits and, to that
extent, will be taxable to the shareholders as ordinary income. These
distributions are not eligible for the dividends-received deduction for
corporations. To the extent that the Company makes a distribution in excess of
its positive current and accumulated earnings and profits, the distribution will
be treated first as a tax-free return of capital, reducing the tax basis in the
shareholder's stock, and then the distribution in excess of such basis will be
taxable as gain from the sale or exchange of property. Dividends declared by the
Company in October, November, or December of any year payable to a shareholder
of record on a specified date in any such month shall be treated as both paid by
the Company and received by the shareholders on December 31 of the year,
provided that the dividends are actually paid by the Company during January of
the following calendar year. U.S. shareholders are not allowed to include on
their own Federal income tax returns any tax losses of the Company.
 
     Distributions to shareholders that are properly designated by the Company
as capital gain distributions will be treated as long-term capital gains (to the
extent they do not exceed the Company's actual net capital gain) for the taxable
year without regard to the period for which the shareholder has held his or her
stock. However, corporate shareholders may be required to treat up to 20% of
certain capital gain dividends as ordinary income. Capital gain dividends are
not eligible for the dividends-received deduction for corporations.
 
     Pursuant to the Taxpayer Relief Act of 1997 (the "Taxpayer Relief Act") and
beginning with the Company's taxable year that will end December 31, 1998, the
Company may elect to retain and pay income tax on net long-term capital gain
that it received during the tax year. If such election is made, (i) the
shareholders will include in their income their proportionate share of the
undistributed long-term capital gains as designated by the Company; (ii) the
shareholders will be deemed to have paid their proportionate share of the tax,
which would be credited or refunded to such shareholders, and (iii) the basis of
the shareholders' shares will be increased by the amount of the undistributed
long-term capital gains (less the amount of capital gains tax paid by the
Company) included in such shareholders' long-term capital gains.
 
     As a result of the changes made to the capital gain rates by the Taxpayer
Relief Act, the IRS issued Notice 97-64 outlining (i) when a REIT may designate
its dividends as either a 20% rate gain distribution, an unrecaptured section
1250 gain distribution, or a 28% rate gain distribution and (ii) how to
calculate the amount of such distributions, which may be subject to certain
deferral or bifurcation adjustments. When a REIT designates a distribution as a
capital gain dividend, which is attributable to a taxable year ending after May
7, 1997, for purposes of the annual distribution requirement, the REIT also may
designate such dividend as a 20% rate gain distribution, as unrecaptured section
1250 gain distribution, or as a 28% rate gain distribution. Where no such
designation is provided, the dividend will be treated as a 28% rate gain
distribution. These additional designations by the REIT are effective only to
the extent that they do not exceed certain limitations. For example, the maximum
amount of each distribution that can be classified as either a 20% rate gain
distribution, an unrecaptured section 1250 gain distribution, or a 28% rate gain
distribution must be calculated in accordance with the Code and the IRS Notice.
 
DISPOSITION OF SHARES
 
     In general, shareholders will realize capital gain or loss on the
disposition of the Company's stock equal to the difference between (i) the
amount of cash and the fair market value of any property received on such
disposition, and (ii) such shareholders' adjusted basis in such stock. Losses
incurred on the sale or exchange of the stock held for less than six months
(after applying certain holding period rules) will be deemed long-term
 
                                       32
<PAGE>   34
 
capital loss to the extent of any capital gain dividends received by the selling
shareholder from those shares. As a result of the Taxpayer Relief Act, the
maximum rate of tax on net capital gains on individuals, trusts, and estates
from the sale or exchange of assets held for more than 18 months has been
reduced to 20%. For 15% percent bracket taxpayers, the maximum rate on net
capital gains is reduced to 10%. The maximum rate for net capital gains
attributable to the sale of depreciable real property held for more than 18
months is 25% to the extent of the deductions for depreciation with respect to
such property. Long-term capital gain allocated to shareholders by the Company
will be subject to the 25% rate to the extent that the gain does not exceed
depreciation on real property sold by the Company. The maximum rate of capital
gains tax for capital assets held more than one year but not more than 18 months
remains at 28%. The taxation of capital gains of corporations was not changed by
the Taxpayer Relief Act.
 
PROPOSED LEGISLATION
 
     President Clinton proposed legislation that includes proposals regarding
the taxation of REITs that could affect the Company. In the event that this or
any other proposed legislation would become effective, this could have an
adverse effect on the way the Company conducts its business. Any such changes
potentially having a material effect on the Company will be discussed in the
applicable Prospectus Supplement.
 
                                 LEGAL OPINIONS
 
     Unless otherwise indicated in the applicable Prospectus Supplement, the
legality and validity of the Offered Securities, as well as certain federal
income tax matters, will be passed upon for the Company by Alston & Bird LLP,
Atlanta, Georgia.
 
                                    EXPERTS
 
     The financial statements and schedules incorporated by reference in this
prospectus and elsewhere in the registration statement have been audited by
Arthur Andersen LLP, independent public accountants, as indicated in their
reports with respect thereto, and are included herein in reliance upon the
authority of said firm as experts in giving said reports.
 
                                       33
<PAGE>   35
 
             ======================================================
 
  NO DEALER, SALESMAN OR OTHER INDIVIDUAL HAS BEEN AUTHORIZED TO GIVE ANY
INFORMATION OR TO MAKE ANY REPRESENTATIONS NOT CONTAINED IN THIS PROSPECTUS, ANY
ACCOMPANYING PROSPECTUS SUPPLEMENT OR THE DOCUMENTS INCORPORATED OR DEEMED
INCORPORATED HEREIN IN CONNECTION WITH THE OFFERING COVERED BY THIS PROSPECTUS
OR ANY ACCOMPANYING PROSPECTUS SUPPLEMENT. IF GIVEN OR MADE, SUCH INFORMATION OR
REPRESENTATIONS MUST NOT BE RELIED UPON AS HAVING BEEN AUTHORIZED BY THE
COMPANY, OR ANY UNDERWRITER, DEALER OR AGENT. THIS PROSPECTUS AND ANY
ACCOMPANYING PROSPECTUS SUPPLEMENT DO NOT CONSTITUTE AN OFFER TO SELL, OR A
SOLICITATION OF AN OFFER TO BUY, ANY SECURITIES OTHER THAN THE REGISTERED
SECURITIES TO WHICH IT RELATES IN ANY JURISDICTION WHERE, OR TO ANY PERSON TO
WHOM, IT IS UNLAWFUL TO MAKE SUCH OFFER OR SOLICITATION. NEITHER THE DELIVERY OF
THIS PROSPECTUS OR ANY ACCOMPANYING PROSPECTUS SUPPLEMENT NOR ANY SALE MADE
HEREUNDER SHALL, UNDER ANY CIRCUMSTANCES, CREATE ANY IMPLICATION THAT THERE HAS
NOT BEEN ANY CHANGE IN THE FACTS SET FORTH IN THIS PROSPECTUS OR ANY
ACCOMPANYING PROSPECTUS SUPPLEMENT OR IN THE AFFAIRS OF THE COMPANY SINCE THE
DATE HEREOF OR THEREOF.
 
                             ---------------------
 
                               TABLE OF CONTENTS
 
<TABLE>
<CAPTION>
                                        PAGE
                                        ----
<S>                                     <C>
Available Information.................    2
Special Cautionary Notice Regarding
  Forward-Looking Statements..........    2
Documents Incorporated by Reference...    3
The Company...........................    4
Risk Factors..........................    4
Use of Proceeds.......................    6
Consolidated Ratios of Earnings to
  Fixed Charges.......................    6
Description of Common Stock...........    7
Description of Preferred Stock........    8
Description of Depositary Shares......   10
Description of Debt Securities........   14
Description of Warrants...............   28
Plan of Distribution..................   28
Certain Federal Income Tax
  Considerations Applicable to
  REITs...............................   29
Legal Opinions........................   33
Experts...............................   33
</TABLE>
 
             ======================================================
             ======================================================
 
                              IRT PROPERTY COMPANY
                              --------------------
                                   PROSPECTUS
                              --------------------
                                 MARCH 24, 1998
 
             ======================================================
<PAGE>   36
 
                                    PART II
 
                     INFORMATION NOT REQUIRED IN PROSPECTUS
 
ITEM 14.  OTHER EXPENSES OF ISSUANCE AND DISTRIBUTION.
 
<TABLE>
<S>                                                           <C>
Estimate of expenses of issuance and distribution:
Registration Fee............................................  $88,500
Cost of Printing............................................        *
Legal Fees..................................................        *
Accounting Fees.............................................        *
Blue Sky Fees and Expenses..................................        *
New York Stock Exchange Listing.............................        *
Miscellaneous...............................................        *
                                                              -------
          Total.............................................  $     *
                                                              =======
</TABLE>
 
- ---------------
 
* To be filed by amendment or Rule 424 filing.
 
ITEM 15.  INDEMNIFICATION OF DIRECTORS AND OFFICERS.
 
     The Georgia Business Corporation Code (the "GBCC") permits, under certain
circumstances, the indemnification of officers, directors, employees and agents
of a corporation with respect to any threatened, pending or completed action,
suit or proceeding, whether civil, criminal, administrative or investigative, to
which such person was or is a party or is threatened to be made a party by
reason of his or her action in such capacity for, or at the request of, such
corporation. To the extent that such person is successful in defending any such
suit, Georgia law provides that he or she shall be indemnified against expenses
(including attorneys' fees) actually and reasonably incurred by him or her in
connection therewith.
 
     The Company's Bylaws provide for the indemnification of the Company's
directors, officers, employees and agents in accordance with the GBCC. Georgia
law also provides that, with certain exceptions, the above rights will not be
deemed exclusive of other rights of indemnification contained in any Bylaw,
resolution or agreement approved by the holders of a majority of the stock. The
Company's Bylaws provide that the Company may purchase and maintain insurance on
behalf of directors, officers, employees and agents, as well as others serving
at their request, against any liabilities asserted against such persons whether
or not the Company would have the power to indemnify such persons against such
liability under the GBCC. The Company has purchased and maintains such
insurance.
 
     Insofar as indemnification for liabilities arising under the Securities Act
may be permitted to directors, officers and controlling persons of the Company
pursuant to the foregoing provisions, or otherwise, the Company has been advised
that in the opinion of the Securities and Exchange Commission, such
indemnification is against public policy as expressed in the Securities Act and
is therefore unenforceable.
 
ITEM 16.  EXHIBITS.
 
<TABLE>
<CAPTION>
EXHIBIT
NUMBER                            DESCRIPTION OF EXHIBIT
- -------                           ----------------------
<C>       <C>  <S>
  1.1      --  Form of Underwriting Agreement for Senior Debt Securities
               (to be filed under subsequent Form 8-K).
  1.2      --  Form of Underwriting Agreement for Subordinated Debt
               Securities (to be filed under subsequent Form 8-K).
  1.3      --  Form of Underwriting Agreement for Preferred Stock (to be
               filed under subsequent Form 8-K).
  1.4      --  Form of Underwriting Agreement for Common Stock (to be filed
               under subsequent Form 8-K).
  1.5      --  Form of Underwriting Agreement for Depositary Shares (to be
               filed under subsequent Form 8-K).
</TABLE>
 
                                      II-1
<PAGE>   37
 
<TABLE>
<CAPTION>
EXHIBIT
NUMBER                            DESCRIPTION OF EXHIBIT
- -------                           ----------------------
<C>       <C>  <S>
  3.1      --  Amended and Restated Articles of Incorporation (incorporated
               by reference to Exhibit 3(a) to the Company's Quarterly
               Report on Form 10-Q for the quarter ended June 30, 1997).
  3.2      --  By-Laws (incorporated by reference to Exhibit 3 to the
               Company's Quarterly Report on Form 10-Q for the quarter
               ended March 31, 1995).
  4.1      --  Indenture dated August 15, 1993 between the Company and
               Trust Company Bank, as Trustee, relating to the 7.3%
               Convertible Subordinated Debentures due August 15, 2003
               (including the form of 7.3% Convertible Subordinated
               Debenture) (incorporated by reference to Exhibit 4(a) to the
               Company's Form 10-K for the year ended December 31, 1993).
  4.2      --  Indentures, dated as of November 9, 1995 between the Company
               and SunTrust Bank, Atlanta, as Trustee, relating to Senior
               Debt Securities and Subordinated Debt Securities
               (incorporated by reference to Exhibit 4(c) to the Company's
               Form 10-K for the year ended December 31, 1995).
  4.3      --  First Supplemental Indenture dated as of March 26, 1996
               between the Company and SunTrust Bank, Atlanta (incorporated
               by reference to Exhibit 4 to the Company's Report on Form
               8-K, dated March 26, 1996).
  4.4      --  Supplemental Indenture No. 2, dated August 15, 1997, between
               the Company and SunTrust Bank, Atlanta (incorporated by
               reference to Exhibit 4 to the Company's Report on Form 8-K,
               dated August 15, 1997).
  4.5      --  Form of Indenture for Senior Debt Securities (Form of Senior
               Debt Security included therein).
  4.6      --  Form of Indenture for Subordinated Debt Securities (Form of
               Subordinated Debt Security included therein).
  4.7      --  Form of Preferred Stock.*
  4.8      --  Form of Deposit Agreement (Form of Receipt included
               therein).*
  4.9      --  Form of Warrant Agreement (Form of Warrant included
               therein).*
  5.1      --  Opinion of Alston & Bird LLP regarding legality of the
               Offered Securities.*
  8.1      --  Opinion of Alston & Bird LLP as to certain federal income
               taxation matters.*
 12.1      --  Statement regarding computation of ratio of earnings to
               fixed charges.
 12.2      --  Statement regarding computation of ratio of earnings to
               combined fixed charges and preferred stock dividends.*
 23.1      --  Consent of Arthur Andersen LLP.
 23.2      --  Consent of Alston & Bird LLP (included in Exhibit 5.1).*
 23.3      --  Consent of Alston & Bird LLP (included in Exhibit 8.1).*
 24.1      --  Power of Attorney (included on signature page of this
               Registration Statement).
 25.1      --  Statement of Eligibility and Qualification of Trustee on
               Form T-1 under Trust Indenture Act of 1939, as amended, of
               SunTrust Bank, Atlanta under the Senior Debt Securities.*
 25.2      --  Statement of Eligibility and Qualification of Trustee on
               Form T-1 under Trust Indenture Act of 1939, as amended, of
               SunTrust Bank, Atlanta under the Subordinated Debt
               Securities.*
</TABLE>
 
- ---------------
 
 * To be filed by amendment or as an exhibit to a document to be incorporated by
   reference herein in connection with an offering of the offered securities.
 
                                      II-2
<PAGE>   38
 
ITEM 17.  UNDERTAKINGS.
 
     (a) The undersigned Registrant hereby undertakes:
 
          (1) To file, during any period in which offers or sales are being
     made, a post-effective amendment to this registration statement:
 
             (i) To include any prospectus required by Section 10(a)(3) of the
        Securities Act of 1933;
 
             (ii) To reflect in the prospectus any facts or events arising after
        the effective date of the registration statement (or the most recent
        post-effective amendment thereof) which, individually or in the
        aggregate, represent a fundamental change in the information set forth
        in this Registration Statement. Notwithstanding the foregoing, any
        increase or decrease in volume of securities offered (if the total
        dollar value of securities offered would not exceed that which was
        registered) and any deviation from the low or high and of the estimated
        maximum offering range may be reflected in the form of prospectus filed
        with the Commission pursuant to Rule 424(b) if, in the aggregate, the
        changes in volume and price represent no more than 20 percent change in
        the maximum aggregate offering price set forth in the "Calculation of
        Registration Fee" table in the effective registration statement;
 
             (iii) To include any material information with respect to the plan
        of distribution not previously disclosed in this registration statement
        or any material change to such information in the registration
        statement;
 
provided, however, that paragraphs (a)(1)(i) and (a)(1)(ii) do not apply if the
information required to be included in a post-effective amendment by those
paragraphs is contained in periodic reports filed by the Registrant pursuant to
Section 13 or Section 15(d) of the Securities Exchange Act of 1934 that are
incorporated by reference in the registration statement.
 
          (2) That, for the purpose of determining any liability under the
     Securities Act of 1933, each such post-effective amendment shall be deemed
     to be a new registration statement relating to the securities offered
     therein, and the offering of such securities at that time shall be deemed
     to be the initial bona fide offering thereof.
 
          (3) To remove from registration by means of a post-effective amendment
     any of the securities being registered which remain unsold at the
     termination of the offering.
 
     (b) The undersigned Registrant hereby undertakes that, for purposes of
determining any liability under the Securities Act of 1933, each filing of the
registrant's annual report pursuant to Section 13(a) or 15(d) of the Securities
Exchange Act of 1934 that is incorporated by reference in this Registration
Statement shall be deemed to be a new registration statement relating to the
securities offered therein, and the offering of such securities at that time
shall be deemed to be the initial bona fide offering thereof.
 
     (c) Insofar as indemnification for liabilities arising under the Securities
Act of 1933 may be permitted to directors, officers and controlling persons of
the Registrant pursuant to the foregoing provisions, or otherwise, the
Registrant has been advised that in the opinion of the Securities and Exchange
Commission such indemnification is against public policy as expressed in the Act
and is, therefore, unenforceable. In the event that a claim for indemnification
against such liabilities (other than the payment by the Registrant of expenses
incurred or paid by a director, officer or controlling person of the Registrant
in the successful defense of any action, suit or proceeding) is asserted by such
director, officer or controlling person in connection with the securities being
registered, the Registrant will, unless in the opinion of its counsel the matter
has been settled by controlling precedent, submit to a court of appropriate
jurisdiction the question whether such indemnification by it is against public
policy as expressed in the Act and will be governed by the final adjudication of
such issue.
 
     (d) The undersigned registrant hereby undertakes that:
 
          (1) For the purpose of determining any liability under the Securities
     Act of 1933, the information omitted from the form of prospectus filed as
     part of this Registration Statement in reliance upon
                                      II-3
<PAGE>   39
 
     Rule 430A and contained in a form of prospectus filed by the Registrant
     pursuant to Rule 424(b)(1) or (4), or 497(h) under the Securities Act shall
     be deemed to be part of this Registration Statement as of the time it was
     declared effective.
 
          (2) For the purpose of determining any liability under the Securities
     Act of 1933, each post-effective amendment that contains a form of
     prospectus shall be deemed to be a new registration statement relating to
     the securities offered therein, and the offering of such securities at that
     time shall be deemed to be the initial bona fide offering thereof.
 
     (j) The undersigned Registrant hereby undertakes to file an application for
the purpose of determining the eligibility of the trustee to act under
subsection (a) of Section 310 of the Trust Indenture Act in accordance with the
rules and regulations prescribed by the Commission under Section 305(b)(2) of
the Act.
 
                                      II-4
<PAGE>   40
 
                                   SIGNATURES
 
     Pursuant to the requirements of the Securities Act of 1933, the Registrant,
IRT Property Company, certifies that it has reasonable grounds to believe that
it meets all of the requirements for filing on Form S-3 and has duly caused this
Registration Statement to be signed on its behalf by the undersigned, thereto
duly authorized, in the City of Atlanta, State of Georgia, on the 24th day of
March, 1998.
 
                                          IRT PROPERTY COMPANY
 
                                          By:     /s/ THOMAS H. MCAULEY
                                            ------------------------------------
                                                     Thomas H. McAuley
                                                         President
 
                               POWER OF ATTORNEY
 
     KNOW ALL MEN BY THESE PRESENTS, that each person whose signature appears
below constitutes and appoints THOMAS H. McAULEY, W. BENJAMIN JONES III and MARY
M. THOMAS, or any of them, his or her true and lawful attorneys-in-fact and
agents, with full power of substitution, and resubstitution, for him or her and
in his or her name, place and stead, in any and all capacities, to sign any and
all amendments (including post-effective amendments) to this Registration
Statement, and to file the same, with all exhibits thereto, and other documents
in connection therewith, including any Registration Statement filed pursuant to
Rule 462(b) of the Securities Act of 1933, as amended, with the Securities and
Exchange Commission, granting unto said attorneys-in-fact and agents, and each
of them, full power and authority to do and perform each and every act and thing
requisite or necessary to be done in and about the premises, as fully to all
intents and purposes as he or she might or could do in person, hereby ratifying
and confirming all that said attorneys-in-fact and agents or any of them, or
their or his or her substitute or substitutes, may lawfully do or cause to be
done by virtue hereof.
 
     Pursuant to the requirements of the Securities Act of 1933, this
Registration Statement has been signed by the following persons in the
capacities and on the dates indicated.
 
<TABLE>
<CAPTION>
                      SIGNATURE                                   TITLE                    DATE
                      ---------                                   -----                    ----
<C>                                                    <S>                          <C>
 
                /s/ THOMAS H. MCAULEY                  President and Director           March 24, 1998
- -----------------------------------------------------    (Principal Executive
                  Thomas H. McAuley                      Officer)
 
                 /s/ MARY M. THOMAS                    Chief Financial Officer,         March 24, 1998
- -----------------------------------------------------    Executive Vice President
                   Mary M. Thomas                        and Director
                                                         (Principal Financial and
                                                         Accounting Officer)
 
                /s/ DONALD W. MACLEOD                  Chairman of the Board of         March 24, 1998
- -----------------------------------------------------    Directors
                  Donald W. MacLeod
 
                /s/ PATRICK L. FLINN                   Director                         March 24, 1998
- -----------------------------------------------------
                  Patrick L. Flinn
 
               /s/ HOMER B. GIBBS, JR.                 Director                         March 24, 1998
- -----------------------------------------------------
                 Homer B. Gibbs, Jr.
 
               /s/ SAMUEL W. KENDRICK                  Director                         March 24, 1998
- -----------------------------------------------------
                 Samuel W. Kendrick
</TABLE>
 
                                      II-5
<PAGE>   41
 
<TABLE>
<CAPTION>
                      SIGNATURE                                   TITLE                    DATE
                      ---------                                   -----                    ----
<C>                                                    <S>                          <C>
 
                /s/ BRUCE A. MORRICE                   Director                         March 24, 1998
- -----------------------------------------------------
                  Bruce A. Morrice
 
                 /s/ JAMES H. NOBIL                    Director                         March 24, 1998
- -----------------------------------------------------
                   James H. Nobil
</TABLE>
 
                                      II-6
<PAGE>   42
 
                               INDEX TO EXHIBITS
 
<TABLE>
<CAPTION>
EXHIBIT
NUMBER                            DESCRIPTION OF EXHIBIT
- -------                           ----------------------
<C>       <C>  <S>
 1.1       --  Form of Underwriting Agreement for Senior Debt Securities
               (to be filed under subsequent Form 8-K).
 1.2       --  Form of Underwriting Agreement for Subordinated Debt
               Securities (to be filed under subsequent Form 8-K).
 1.3       --  Form of Underwriting Agreement for Preferred Stock (to be
               filed under subsequent Form 8-K).
 1.4       --  Form of Underwriting Agreement for Common Stock (to be filed
               under subsequent Form 8-K).
 1.5       --  Form of Underwriting Agreement for Depositary Shares (to be
               filed under subsequent Form 8-K).
 3.1       --  Amended and Restated Articles of Incorporation (incorporated
               by reference to Exhibit 3(a) to the Company's Quarterly
               Report on Form 10-Q for the quarter ended June 30, 1997).
 3.2       --  By-Laws (incorporated by reference to Exhibit 3 to the
               Company's Quarterly Report on Form 10-Q for the quarter
               ended March 31, 1995).
 4.1       --  Indenture dated August 15, 1993 between the Company and
               Trust Company Bank, as Trustee, relating to the 7.3%
               Convertible Subordinated Debentures due August 15, 2003
               (including the form of 7.3% Convertible Subordinated
               Debenture) (incorporated by reference to Exhibit 4(a) to the
               Company's Form 10-K for the year ended December 31, 1993).
 4.2       --  Indentures, dated as of November 9, 1995 between the Company
               and SunTrust Bank, Atlanta, as Trustee, relating to Senior
               Debt Securities and Subordinated Debt Securities
               (incorporated by reference to Exhibit 4(c) to the Company's
               Form 10-K for the year ended December 31, 1995).
 4.3       --  First Supplemental Indenture dated as of March 26, 1996
               between the Company and SunTrust Bank, Atlanta (incorporated
               by reference to Exhibit 4 to the Company's Report on Form
               8-K, dated March 26, 1996).
 4.4       --  Supplemental Indenture No. 2, dated August 15, 1997, between
               the Company and SunTrust Bank, Atlanta (incorporated by
               reference to Exhibit 4 to the Company's Report on Form 8-K,
               dated August 15, 1997).
 4.5       --  Form of Indenture for Senior Debt Securities (Form of Senior
               Debt Security included therein).
 4.6       --  Form of Indenture for Subordinated Debt Securities (Form of
               Subordinated Debt Security included therein).
 4.7       --  Form of Preferred Stock.*
 4.8       --  Form of Deposit Agreement (Form of Receipt included
               therein).*
 4.9       --  Form of Warrant Agreement (Form of Warrant included
               therein).*
 5.1       --  Opinion of Alston & Bird LLP regarding legality of the
               Offered Securities.*
 8.1       --  Opinion of Alston & Bird LLP as to certain federal income
               taxation matters.*
12.1       --  Statement regarding computation of ratio of earnings to
               fixed charges.
12.2       --  Statement regarding computation of ratio of earnings to
               combined fixed charges and preferred stock dividends.*
23.1       --  Consent of Arthur Andersen LLP.
23.2       --  Consent of Alston & Bird LLP (included in Exhibit 5.1).*
23.3       --  Consent of Alston & Bird LLP (included in Exhibit 8.1).*
24.1       --  Power of Attorney (included on signature page of this
               Registration Statement).
</TABLE>
 
                                      II-7
<PAGE>   43
 
<TABLE>
<CAPTION>
EXHIBIT
NUMBER                            DESCRIPTION OF EXHIBIT
- -------                           ----------------------
<C>       <C>  <S>
25.1       --  Statement of Eligibility and Qualification of Trustee on
               Form T-1 under Trust Indenture Act of 1939, as amended, of
               SunTrust Bank, Atlanta under the Senior Debt Securities.*
25.2       --  Statement of Eligibility and Qualification of Trustee on
               Form T-1 under Trust Indenture Act of 1939, as amended, of
               SunTrust Bank, Atlanta under the Subordinated Debt
               Securities.*
</TABLE>
 
- ---------------
 
* To be filed by amendment or as an exhibit to a document to be incorporated by
  reference herein in connection with an offering of the offered securities.
 
                                      II-8

<PAGE>   1
                                                                    EXHIBIT 4.5


                             IRT PROPERTY COMPANY

                                       TO

                            SUNTRUST BANK, ATLANTA,

                                   as Trustee
                                   Indenture
                         Dated as of _________, 1998

                             Senior Debt Securities
<PAGE>   2

                               TABLE OF CONTENTS

<TABLE>
<CAPTION>
                                                                                                   Page
                                                                                                   ----

                                  ARTICLE ONE

            DEFINITIONS AND OTHER PROVISIONS OF GENERAL APPLICATION

<S>              <C>                                                                               <C>
[SECTION 101.    Definitions  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
                 Act  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
                 Additional Amounts   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
                 Affiliate  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
                 Authenticating Agent   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
                 Authorized Newspaper   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
                 Bankruptcy Law   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
                 Bearer Security  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
                 Board of Directors   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
                 Board Resolution   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
                 Business Day   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
                 CEDEL .  . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . .. 3
                 Commission   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
                 Common Depository  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
                 Company  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
                 Company Request and Company Order  . . . . . . . . . . . . . . . . . . . . . . . . 3
                 Conversion Event   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
                 Corporate Trust Office   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
                 corporation  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
                 coupon   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
                 Custodian  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
                 Debt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
                 Defaulted Interest   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
                 Dollar or $  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
                 DTC  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
                 ECU  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
                 Euroclear  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 
                 European Communities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
                 European Monetary System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
                 Event of Default   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
                 Exchange Act   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
                 Foreign Currency   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
                 GAAP   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
                 Government Obligations   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
                 Holder   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
                 Indenture  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
                 Indexed Security   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
                 Interest   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
                 Interest Payment Date  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
                 Make-Whole Amount  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
                 Maturity   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
                 Officers' Certificate  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
                 Opinion of Counsel   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
                 Original Issue Discount Security   . . . . . . . . . . . . . . . . . . . . . . . . 7
                 Outstanding  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
                 Paying Agent   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
                 Person   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
                 Place of Payment   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
                 Predecessor Security   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
                 Redemption Date  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
                                                                                                     
</TABLE>


                                       i
<PAGE>   3

<TABLE>
<S>              <C>                                                                              <C>
                 Redemption Price   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
                 Registered Security  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
                 Regular Record Date  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
                 Repayment Date   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
                 Repayment Price  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
                 Responsible Officer  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
                 Securities Act   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
                 Security   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
                 Security Register and Security Registrar   . . . . . . . . . . . . . . . . . . . . 9
                 Significant Subsidiary   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
                 Special Record Date  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
                 Stated Maturity  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
                 Subsidiary   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
                 Trust Indenture Act or TIA   . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
                 Trustee  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
                 United States  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  10
                 United States person   . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  10
                 Yield to Maturity  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  10
SECTION 102.     Compliance Certificates and Opinions   . . . . . . . . . . . . . . . . . . . . .  10
SECTION 103.     Form of Documents Delivered to Trustee   . . . . . . . . . . . . . . . . . . . .  11
SECTION 104.     Acts of Holders  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  11
SECTION 105.     Notices, etc., to Trustee and Company  . . . . . . . . . . . . . . . . . . . . .  13
SECTION 106.     Notice to Holders; Waiver  . . . . . . . . . . . . . . . . . . . . . . . . . . .  13
SECTION 107.     Effect of Headings and Table of Contents   . . . . . . . . . . . . . . . . . . .  14
SECTION 108.     Successors and Assigns   . . . . . . . . . . . . . . . . . . . . . . . . . . . .  14
SECTION 109.     Separability Clause  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  14
SECTION 110.     Benefits of Indenture  . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  14
SECTION 111.     No Personal Liability  . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  14
SECTION 112.     Governing Law  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  15
SECTION 113.     Legal Holidays   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  15

                                                       ARTICLE TWO

                                                     SECURITIES FORMS

SECTION 201.     Forms of Securities  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  15
SECTION 202.     Form of Trustee's Certificate of Authentication  . . . . . . . . . . . . . . . .  15
SECTION 203.     Securities Issuable in Global Form   . . . . . . . . . . . . . . . . . . . . . .  16

                                                      ARTICLE THREE

                                                      THE SECURITIES

SECTION 301.     Amount Unlimited; Issuable in Series   . . . . . . . . . . . . . . . . . . . . .  17
SECTION 302.     Denominations  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  20
SECTION 303.     Execution, Authentication Delivery and Dating  . . . . . . . . . . . . . . . . .  20
SECTION 304.     Temporary Securities   . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  22
SECTION 305.     Registration, Registration of Transfer and
                 Exchange   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  24
SECTION 306.     Mutilated, Destroyed, Lost and Stolen
                 Securities   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  28
SECTION 307.     Payment of Interest; Interest Rights Preserved   . . . . . . . . . . . . . . . .  29
SECTION 308.     Persons Deemed Owners  . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  31
SECTION 309.     Cancellation   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  31
SECTION 310.     Computation of Interest  . . . . . . . . . . . . . . . . . . . . . . . . . . . .  32

                                                       ARTICLE FOUR

                                                SATISFACTION AND DISCHARGE

SECTION 401.     Satisfaction and Discharge of Indenture  . . . . . . . . . . . . . . . . . . . .  32
SECTION 402.     Application of Trust Funds   . . . . . . . . . . . . . . . . . . . . . . . . . .  33

                                                       ARTICLE FIVE
                                                                   
</TABLE>

                                      ii
<PAGE>   4

<TABLE>
<S>              <C>                                                                               <C>
                                                         REMEDIES

SECTION 501.     Events of Default  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  33
SECTION 502.     Acceleration of Maturity; Rescission and
                 Annulment  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  35
SECTION 503.     Collection of Indebtedness and Suits for
                 Enforcement by Trustee   . . . . . . . . . . . . . . . . . . . . . . . . . . . .  36
SECTION 504.     Trustee May File Proofs of Claim   . . . . . . . . . . . . . . . . . . . . . . .  37
SECTION 505.     Trustee May Enforce Claims Without
                 Possession of Securities or Coupons  . . . . . . . . . . . . . . . . . . . . . .  37
SECTION 506.     Application of Money Collected   . . . . . . . . . . . . . . . . . . . . . . . .  38
SECTION 507.     Limitation on Suits  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  38
SECTION 508.     Unconditional Right of Holders to
                 Receive Principal, Premium or Make-Whole Amount,
                 if any, Interest and Additional Amounts  . . . . . . . . . . . . . . . . . . . .  39
SECTION 509.     Restoration of Rights and Remedies   . . . . . . . . . . . . . . . . . . . . . .  39
SECTION 510.     Rights and Remedies Cumulative   . . . . . . . . . . . . . . . . . . . . . . . .  39
SECTION 511.     Delay or Omission Not Waiver   . . . . . . . . . . . . . . . . . . . . . . . . .  39
SECTION 512.     Control by Holders of Securities   . . . . . . . . . . . . . . . . . . . . . . .  40
SECTION 513.     Waiver of Past Defaults  . . . . . . . . . . . . . . . . . . . . . . . . . . . .  40
SECTION 514.     Waiver of Stay or Extension Laws . . . . . . . . . . . . . . . . . . . . . . . .  40
SECTION 515.     Undertaking for Costs  . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  40

                                                       ARTICLE SIX

                                                       THE TRUSTEE

SECTION 601.     Notice of Defaults   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  41
SECTION 602.     Certain Rights of Trustee  . . . . . . . . . . . . . . . . . . . . . . . . . . .  41
SECTION 603.     Not Responsible for Recitals or Issuance of
                 Securities   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  42
SECTION 604.     May Hold Securities  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  43
SECTION 605.     Money Held in Trust  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  43
SECTION 606.     Compensation and Reimbursement   . . . . . . . . . . . . . . . . . . . . . . . .  43
SECTION 607.     Corporate Trustee Required; Eligibility  . . . . . . . . . . . . . . . . . . . .  43
SECTION 608.     Resignation and Removal; Appointment of
                 Successor  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  44
SECTION 609.     Acceptance of Appointment By Successor   . . . . . . . . . . . . . . . . . . . .  45
SECTION 610.     Merger, Conversion, Consolidation or Succession
                 to Business  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  46
SECTION 611.     Appointment of Authenticating Agent  . . . . . . . . . . . . . . . . . . . . . .  46
SECTION 612.     Certain Duties and Responsibilites . . . . . . . . . . . . . . . . . . . . . . .  48
SECTION 613.     Conflicting Interests  . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  48

                                                      ARTICLE SEVEN

                                    HOLDERS' LISTS AND REPORTS BY TRUSTEE AND COMPANY

SECTION 701.     Disclosure of Names and Addresses of Holders   . . . . . . . . . . . . . . . . .  48
SECTION 702.     Reports by Trustee   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  48
SECTION 703.     Reports by Company   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  48
SECTION 704.     Company to Furnish Trustee Names and Addresses
                 of Holders   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  49

                                                      ARTICLE EIGHT

                                     CONSOLIDATION, MERGER, SALE, LEASE OR CONVEYANCE

SECTION 801.     Consolidations and Mergers of
                 Company and Sales, Leases and
                 Conveyances Permitted Subject to
                 Certain Conditions   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  49
SECTION 802.     Rights and Duties of Successor Corporation   . . . . . . . . . . . . . . . . . .  50
SECTION 803.     Officers' Certificate and Opinion of Counsel   . . . . . . . . . . . . . . . . .  50

                                                       ARTICLE NINE
                                                                   
</TABLE>

                                     iii
<PAGE>   5

<TABLE>
<S>              <C>                                                                               <C>
                                                 SUPPLEMENTAL INDENTURES

SECTION 901.     Supplemental Indentures Without Consent of
                 Holders  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  50
SECTION 902.     Supplemental Indentures With Consent of Holders  . . . . . . . . . . . . . . . .  52
SECTION 903.     Execution of Supplemental Indentures   . . . . . . . . . . . . . . . . . . . . .  53
SECTION 904.     Effect of Supplemental Indentures  . . . . . . . . . . . . . . . . . . . . . . .  53
SECTION 905.     Conformity with Trust Indenture Act  . . . . . . . . . . . . . . . . . . . . . .  53
SECTION 906.     Reference in Securities to Supplemental
                 Indentures   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  53
SECTION 907.     Notice of Supplemental Indentures  . . . . . . . . . . . . . . . . . . . . . . .  53

                                                       ARTICLE TEN

                                                        COVENANTS

SECTION 1001.    Payment of Principal, Premium or
                 Make-Whole Amount, if any, Interest
                 and Additional Amounts   . . . . . . . . . . . . . . . . . . . . . . . . . . . .  54
SECTION 1002.    Maintenance of Office or Agency  . . . . . . . . . . . . . . . . . . . . . . . .  54
SECTION 1003.    Money for Securities Payments to Be Held in
                 Trust  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  55
SECTION 1004.    (Omitted). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  57
SECTION 1005.    Existence  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  58
SECTION 1006.    Maintenance of Properties  . . . . . . . . . . . . . . . . . . . . . . . . . . .  58
SECTION 1007.    Insurance  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  58
SECTION 1008.    Payment of Taxes and Other Claims  . . . . . . . . . . . . . . . . . . . . . . .  58
SECTION 1009.    Provision of Financial Information   . . . . . . . . . . . . . . . . . . . . . .  59
SECTION 1010.    Statement as to Compliance   . . . . . . . . . . . . . . . . . . . . . . . . . .  59
SECTION 1011.    Additional Amounts   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  59
SECTION 1012.    Waiver of Certain Covenants  . . . . . . . . . . . . . . . . . . . . . . . . . .  60

                                                      ARTICLE ELEVEN

                                                 REDEMPTION OF SECURITIES

SECTION 1101.    Applicability of Article   . . . . . . . . . . . . . . . . . . . . . . . . . . .  61
SECTION 1102.    Election to Redeem; Notice to Trustee  . . . . . . . . . . . . . . . . . . . . .  61
SECTION 1103.    Selection by Trustee of Securities to Be
                 Redeemed   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  61
SECTION 1104.    Notice of Redemption   . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  61
SECTION 1105.    Deposit of Redemption Price  . . . . . . . . . . . . . . . . . . . . . . . . . .  63
SECTION 1106.    Securities Payable on Redemption Date  . . . . . . . . . . . . . . . . . . . . .  63
SECTION 1107.    Securities Redeemed in Part  . . . . . . . . . . . . . . . . . . . . . . . . . .  64

                                                      ARTICLE TWELVE

                                                      SINKING FUNDS

SECTION 1201.    Applicability of Article   . . . . . . . . . . . . . . . . . . . . . . . . . . .  64
SECTION 1202.    Satisfaction of Sinking Fund Payments with
                 Securities   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  64
SECTION 1203.    Redemption of Securities for Sinking Fund  . . . . . . . . . . . . . . . . . . .  65

                                                     ARTICLE THIRTEEN

                                            REPAYMENT AT THE OPTION OF HOLDERS

SECTION 1301.    Applicability of Article   . . . . . . . . . . . . . . . . . . . . . . . . . . .  65
SECTION 1302.    Repayment of Securities  . . . . . . . . . . . . . . . . . . . . . . . . . . . .  65
SECTION 1303.    Exercise of Option   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  65
SECTION 1304.    When Securities Presented for
                 Repayment Become Due and Payable   . . . . . . . . . . . . . . . . . . . . . . .  66
SECTION 1305.    Securities Repaid in Part  . . . . . . . . . . . . . . . . . . . . . . . . . . .  67
                                                                                                     
</TABLE>

                                      iv
<PAGE>   6

<TABLE>
<S>                                                                                                <C>
                                                     ARTICLE FOURTEEN

                                            DEFEASANCE AND COVENANT DEFEASANCE

SECTION 1401.    Applicability of Article; Company's
                 Option to Effect Defeasance or
                 Covenant Defeasance  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  67
SECTION 1402.    Defeasance and Discharge   . . . . . . . . . . . . . . . . . . . . . . . . . . .  68
SECTION 1403.    Covenant Defeasance  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  68
SECTION 1404.    Conditions to Defeasance or Covenant Defeasance  . . . . . . . . . . . . . . . .  69
SECTION 1405.    Deposited Money and Government
                 Obligations to Be Held in Trust;
                 Other Miscellaneous Provisions   . . . . . . . . . . . . . . . . . . . . . . . .  70

                                                     ARTICLE FIFTEEN

                                            MEETINGS OF HOLDERS OF SECURITIES

SECTION 1501.    Purposes for Which Meetings May Be Called  . . . . . . . . . . . . . . . . . . .  71
SECTION 1502.    Call, Notice and Place of Meetings   . . . . . . . . . . . . . . . . . . . . . .  71
SECTION 1503.    Persons Entitled to Vote at Meetings   . . . . . . . . . . . . . . . . . . . . .  72
SECTION 1504.    Quorum; Action   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  72
SECTION 1505.    Determination of Voting Rights;
                 Conduct and Adjournment of Meetings  . . . . . . . . . . . . . . . . . . . . . .  73
SECTION 1506.    Counting Votes and Recording Action of Meetings  . . . . . . . . . . . . . . . .  74
SECTION 1507.    Evidence of Action Taken by Holders  . . . . . . . . . . . . . . . . . . . . . .  74
SECTION 1508.    Proof of Execution of Instruments  . . . . . . . . . . . . . . . . . . . . . . .  75


                                                     ARTICLE SIXTEEN

                                          CONVERSION OR EXCHANGE OF SECURITIES

SECTION 1601.    Applicability of Article . . . . . . . . . . . . . . . . . . . . . . . . . . . .  75
SECTION 1602.    Election to Exchange; Notice to Trustee and Holders  . . . . . . . . . . . . . .  75
SECTION 1603.    No Fractional Shares . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  75
SECTION 1604.    Adjustment of Exchange Rate  . . . . . . . . . . . . . . . . . . . . . . . . . .  75
SECTION 1605.    Payment of Certain Taxes Upon Exchange . . . . . . . . . . . . . . . . . . . . .  75
SECTION 1606.    Shares Free and Clear  . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  75
SECTION 1607.    Cancellation of Security . . . . . . . . . . . . . . . . . . . . . . . . . . . .  75
SECTION 1608.    Duties of Trustee Regarding Exchange . . . . . . . . . . . . . . . . . . . . . .  75
SECTION 1609.    Repayment of Certain Funds Upon Exchange . . . . . . . . . . . . . . . . . . . .  75
SECTION 1610.    Exercise of Conversion or Exchange Privilege . . . . . . . . . . . . . . . . . .  75
SECTION 1611.    Effect of Consolidation or Merger on Conversion Privilege  . . . . . . . . . . .  75
</TABLE>

TESTIMONIUM
SIGNATURES AND SEALS
ACKNOWLEDGEMENTS
EXHIBIT A - FORMS OF CERTIFICATION
                                  

                                      v
<PAGE>   7
                             IRT PROPERTY COMPANY

Reconciliation and tie between Trust Indenture Act of 1939, as
amended (the "1939 Act"), and Indenture, dated as of           , 1998

<TABLE>
<CAPTION>
Trust Indenture Act Section                                                         Indenture Section

<S>                                                                               <C>
(Section)310(a)(1)  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 607
     (a)(2)   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 607
     (b)  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 608
(Section)312(c) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 701
(Section)314(a) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 703
     (a)(4)   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  1010
     (c)(1)   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102
     (c)(2)   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102
     (e)  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102
(Section)315(b) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 601
(Section)316(a)(last sentence)  . . . . . . . . . . . . . . . . . . . . . . . . . 101 ("Outstanding")
     (a)(1)(A)  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  502, 512
     (a)(1)(B)  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 513
     (b)  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 508
(Section)317(a)(1)  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 503
     (a)(2)   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 504
(Section)318(a) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112
     (c)  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112
</TABLE>

- --------------------
Note:          This reconciliation and tie shall not, for any purpose, be
               deemed to be a part of the Indenture.

         Attention should also be directed to Section 318(c) of the 1939 Act,
         which provides that the provisions of Sections 310 to and including
         317 of the 1939 Act are a part of and govern every qualified
         indenture, whether or not physically contained therein.

                                      vi
<PAGE>   8

                                   INDENTURE

        INDENTURE, dated as of ________, 1998, between IRT PROPERTY COMPANY, a
Georgia corporation (hereinafter called the "Company"), having its principal
office at 200 Galleria Parkway, Suite 1400, Atlanta, Georgia 30339, and
SunTrust Bank, Atlanta, a Georgia banking corporation, as Trustee hereunder 
(hereinafter called the "Trustee"), having its Corporate Trust Office at 58 
Edgewood Avenue, Room 400-Annex A, Atlanta, Georgia 30303.

                           RECITALS OF THE COMPANY

         The Company deems it necessary to issue from time to time for its
lawful purposes senior debt securities (hereinafter called the "Securities")
evidencing its unsecured and unsubordinated indebtedness, and has duly
authorized the execution and delivery of this Indenture to provide for the
issuance from time to time of the Securities, unlimited as to aggregate
principal amount, to bear interest at the rates or formulas, to mature at such
times and to have such other provisions as shall be fixed therefor as
hereinafter provided.

         All things necessary to make this Indenture a valid agreement of the
Company, in accordance with its terms, have been done.

         NOW, THEREFORE, THIS INDENTURE WITNESSETH:

         For and in consideration of the premises and the purchase of the
Securities by the Holders thereof, it is mutually covenanted and agreed, for
the equal and proportionate benefit of all Holders of the Securities, as
follows:

                                  ARTICLE ONE

            DEFINITIONS AND OTHER PROVISIONS OF GENERAL APPLICATION

         SECTION 101.     Definitions.

         For all purposes of this Indenture, except as otherwise expressly
provided or the context otherwise requires:

         (1)     the terms defined in this Article have the meanings assigned
to them in this Article, and include the plural as well as the singular;

         (2)     all other terms used herein which are defined in the Trust
Indenture Act, either directly or by reference therein, have the meanings
assigned to them therein, and the terms "cash transaction" and
"self-liquidating paper," as used in Trust Indenture Act Section 311, shall
have the meanings assigned to them in the rules of the Commission adopted under
the Trust Indenture Act;

         (3)     all accounting terms not otherwise defined herein have the
meanings assigned to them in accordance with generally accepted accounting
principles; and

         (4)     the words "herein," "hereof" and "hereunder" and other words
of similar import refer to this Indenture as a whole and not to any particular
Article, Section or other subdivision.

         Certain terms, used principally in Article Three, Article Five,
Article Six and Article Ten, are defined in those Articles.  In addition, the
following terms shall have the indicated respective meanings:


                                      1
<PAGE>   9

         "Act" has the meaning specified in Section 104.

         "Additional Amounts" means any additional amounts which are required
by a Security, under circumstances specified therein, to be paid by the Company
in respect of certain taxes imposed on certain Holders and which are owing to
such Holders.

         "Affiliate" of any specified Person means any other Person directly or
indirectly controlling or controlled by or under direct or indirect common
control with such specified Person.  For the purposes of this definition,
"control" when used with respect to any specified Person means the power to
direct the management and policies of such Person, directly or indirectly,
whether through the ownership of voting securities, by contract or otherwise;
and the terms "controlling" and "controlled" have meanings correlative to the
foregoing.

         "Authenticating Agent" means any authenticating agent appointed by the
Trustee pursuant to Section 611.

         "Authorized Newspaper" means a newspaper, printed in the English
language or in an official language of the country of publication, customarily
published on each Business Day, whether or not published on Saturdays, Sundays
or holidays, and of general circulation in each place in connection with which
the term is used or in the financial community of each such place.  Whenever
successive publications are required to be made in Authorized Newspapers, the
successive publications may be made in the same or in different Authorized
Newspapers in the same city meeting the foregoing requirements and in each case
on any Business Day.

         "Bankruptcy Law" has the meaning specified in Section 501.

         "Bearer Security" means a Security which is payable to bearer.

         "Board of Directors" means either (i) the Board of Directors of the
Company, the executive committee or any other committee or director of that
board duly authorized to act for it in respect hereof, or (ii) one or more duly
authorized officers of the Company to whom the Board of Directors of the
Company or a committee thereof has delegated the authority to act with respect
to the matters contemplated by this Indenture.

         "Board Resolution" means (i) a copy of a resolution certified by the
Secretary or an Assistant Secretary of the Company to have been duly adopted by
the Board of Directors or a committee thereof, and to be in full force and
effect on the date of such certification, and delivered to the Trustee or (ii)
a certificate signed by the authorized officer or officers of the Company to
whom the Board of Directors of the Company or a committee thereof has


                                      2
<PAGE>   10

delegated its authority (as described in the definition of Board of Directors),
and in each case, delivered to the Trustee.

         "Business Day," when used with respect to any Place of Payment or any
other particular location referred to in this Indenture or in the Securities,
means, unless otherwise specified with respect to any Securities pursuant to
Section 301, any day, other than a Saturday or Sunday, that is neither a legal
holiday nor a day on which banking institutions in that Place of Payment or
particular location are authorized or required by law, regulation or executive
order to close.

         "CEDEL" means Central de Livraison de Valeurs Mobilieres, S.A., or
its successor.

         "Commission" means the Securities and Exchange Commission, as from
time to time constituted, created under the Exchange Act, or, if at any time
after execution of this instrument such Commission is not existing and
performing the duties now assigned to it under the Trust Indenture Act, then
the body performing such duties on such date.

         "Common Depository" has the meaning specified in Section 304(b).

         "Company" means the Person named as the "Company" in the first
paragraph of this Indenture until a successor corporation shall have become
such pursuant to the applicable provisions of this Indenture, and thereafter
"Company" shall mean such successor corporation.

         "Company Request" and "Company Order" mean, respectively, a written
request or order signed in the name of the Company by the President or a Vice
President of the Company, and by the Treasurer, an Assistant Treasurer, the
Secretary or an Assistant Secretary of the Company, and delivered to the
Trustee.

         "Conversion Event" means the cessation of use of (i) a Foreign Currency
(other than as otherwise provided with respect to a Security pursuant to Section
301) as provided by the government of the country which issued such currency and
for the settlement of transactions by a central bank or other public 
institutions of or within the international banking community, or (ii) the ECU, 
both within the European Monetary System and for the settlement of transactions
by public institutions of or within the European Community or (iii) any currency
unit (or composite currency) for the purposes for which it was established.

         "Corporate Trust Office" means the office of the Trustee at which, at
any particular time, its corporate trust business shall be principally
administered, which office at the date hereof is located at 58 Edgewood Avenue,
Room 400-Annex A, Atlanta, Georgia 30303.


                                      3
<PAGE>   11

         "corporation" includes corporations, associations, companies and
business trusts.

         "coupon" means any interest coupon appertaining to a Bearer 
Security.

         "Custodian" has the meaning set forth in Section 501.

         "Debt" means the principal, premium, if any, unpaid interest
(including interest accruing on or after the filing of any petition in
bankruptcy or for reorganization relating to the Company whether or not a claim
for post-filing interest is allowed in such proceeding), fees, charges,
expenses, reimbursement and indemnification obligations, and all other amounts
payable under or in respect of the following indebtedness of the Company for
money borrowed, whether any such indebtedness exists as of the date of the
Indenture or is created, incurred, assumed or guaranteed after such date:  

         (i)   any debt (a) for money borrowed, or (b) evidenced by a bond, 
         note, debenture, or similar instrument (including purchase
         money obligations) given in connection with the acquisition of any
         business, property or assets, whether by purchase, merger,
         consolidation or otherwise, but shall not include any account payable
         or other obligation created or assumed in the ordinary course of
         business in connection with the obtaining of materials or services, 
         or (c) which is a direct or indirect obligation which arises as a
         result of banker's acceptances or bank letters of credit issued to
         secure obligations of the Company, or to secure the payment of
         revenue bonds issued for the benefit of the Company, whether
         contingent or otherwise;

         (ii)  any debt of others described in the preceding clause (i) which 
         the Company has guaranteed or for which it is otherwise liable;

         (iii)  the obligation of the Company, as lessee under any lease of 
         property which is reflected on the Company's balance sheet as a
         capitalized lease; and

         (iv)  any deferral, amendment, renewal, extension, supplement or 
         refunding of any liability of the kind described in any of the 
         preceding clauses (i), (ii), and (iii);

provided, however, that, in computing indebtedness of the Company, there shall
be excluded any particular indebtedness if, upon or prior to the maturity
thereof, there shall have been deposited with a depository in trust money (or
evidence of indebtedness if permitted by the instrument creating such
indebtedness) in the necessary amount to pay, redeem or satisfy such
indebtedness as it becomes due, and the amount so deposited shall not be
included in any computation of the assets of the Company.

         "Defaulted Interest" has the meaning specified in Section 307.

         "Dollar" or "$" means a dollar or other equivalent unit in such coin
or currency of the United States of America as at the time shall be legal
tender for payment of public and private debts.

         "DTC" means The Depository Trust Company.

         "ECU" means the European Currency Unit as defined and revised from
time to time by the Council of the European Communities.

         "Euroclear" means Morgan Guaranty Trust Company of New York, Brussels
Office, or its successor as operator of the Euroclear System.

         "European Community" means the European Economic Community, the
European Coal and Steel Community and the European Atomic Energy Community.

         "European Monetary System" means the European Monetary System
established by the Resolution of December 5, 1978 of the Council of the
European Communities.


                                      4
<PAGE>   12

         "Event of Default" has the meaning specified in Section 501.

         "Exchange Act" means the Securities Exchange Act of 1934, as amended,
and the rules and regulations promulgated thereunder by the Commission.

         "Foreign Currency" means any currency, currency unit or composite
currency issued by the government of one or more countries other than the United
States of America or by any recognized confederation or association of such
governments.

         "GAAP" means generally accepted accounting principles as used in the
United States applied on a consistent basis as in effect from time to time;
provided that solely for purposes of any calculation required by the financial
covenants contained herein, "GAAP" shall mean generally accepted accounting
principles as used in the United States on the date hereof, applied on a
consistent basis.

         "Government Obligations" means securities which are (i) direct
obligations of the United States of America or the government which issued the
Foreign Currency in which the Securities of a particular series are payable,
for the payment of which its full faith and credit is pledged or (ii)
obligations of a Person controlled or supervised by and acting as an agency or
instrumentality of the United States of America or such government which issued
the Foreign Currency in which the Securities of such series are payable, the
payment of which is unconditionally guaranteed as a full faith and credit
obligation by the United States of America or such other government, which, in
either case, are not callable or redeemable at the option of the issuer
thereof, and shall also include a depository receipt issued by a bank or trust
company as custodian with respect to any such Government Obligation or a
specific payment of interest on or principal of any such Government Obligation
held by such custodian for the account of the holder of a depository receipt,
provided that (except as required by law) such custodian is not authorized to
make any deduction from the amount payable to the holder of such depository
receipt from any amount received by the custodian in respect of the Government
Obligation or the specific payment of interest on or principal of the
Government Obligation evidenced by such depository receipt.



                                      5
<PAGE>   13

         "Holder" means, in the case of a Registered Security, the Person in
whose name a Security is registered in the Security Register and, in the case
of a Bearer Security, the bearer thereof and, when used with respect to any
coupon, shall mean the bearer thereof.

         "Indenture" means this instrument as originally executed or as it may
from time to time be supplemented or amended by one or more indentures
supplemental hereto entered into pursuant to the applicable provisions hereof,
and shall include the terms of particular series of Securities established as
contemplated by Section 301; provided, however, that, if at any time more than
one Person is acting as Trustee under this instrument, "Indenture" shall mean,
with respect to any one or more series of Securities for which such Person is
Trustee, this instrument as originally executed or as it may from time to time
be supplemented or amended by one or more indentures supplemental hereto
entered into pursuant to the applicable provisions hereof and shall include the
terms of the or those particular series of Securities for which such Person is
Trustee established as contemplated by Section 301, exclusive, however, of any
provisions or terms which relate solely to other series of Securities for which
such Person is not Trustee, regardless of when such terms or provisions were
adopted, and exclusive of any provisions or terms adopted by means of one or
more indentures supplemental hereto executed and delivered after such Person
had become such Trustee but to which such Person, as such Trustee, was not a
party.

         "Indexed Security" means a Security the terms of which provide that
the principal amount thereof payable at Stated Maturity may be more or less
than the principal face amount thereof at original issuance.

         "Interest" when used with respect to an Original Issue Discount
Security which by its terms bears interest only after Maturity, shall mean
interest payable after Maturity, and, when used with respect to a Security
which provides for the payment of Additional Amounts pursuant to Section 1011,
includes such Additional Amounts.

         "Interest Payment Date" means, when used with respect to any Security,
the Stated Maturity of an installment of interest on such Security.

         "Make-Whole Amount" means the amount, if any, in addition to principal
which is required by a Security, under the terms and conditions specified
therein or as otherwise specified as contemplated by Section 301, to be paid by
the Company to the Holder thereof in connection with any optional redemption or
accelerated payment of such Security.

         "Maturity" means, when used with respect to any Security, the date on
which the principal of such Security or an installment of principal becomes due
and payable as therein or herein provided, whether at the Stated Maturity or by
declaration of acceleration, notice of redemption, notice of option to elect
repayment, repurchase or otherwise.

         "Officers' Certificate" means a certificate signed by the President or
a Vice President and by the Treasurer, an Assistant Treasurer, the Secretary or
an Assistant Secretary, of the Company, and delivered to the Trustee.

         "Opinion of Counsel" means a written opinion of counsel, who may be an
employee of or counsel for the Company or other counsel satisfactory to the
Trustee.


                                      6
<PAGE>   14

         "Original Issue Discount Security" means any Security which provides
for an amount less than the principal amount thereof to be due and payable upon
a declaration of acceleration of the Maturity thereof pursuant to Section 502.

         "Outstanding," when used with respect to Securities, means, as of the
date of determination, all Securities theretofore authenticated and delivered
under this Indenture, except:

         (i)     Securities theretofore canceled by the Trustee or delivered to
         the Trustee for cancellation;

         (ii)    Securities, or portions thereof, for whose payment or
         redemption or repayment at the option of the Holder money in the
         necessary amount has been theretofore deposited with the Trustee or any
         Paying Agent (other than the Company) in trust or set aside and
         segregated in trust by the Company (if the Company shall act as its own
         Paying Agent) for the Holders of such Securities and any coupons
         appertaining thereto; provided that, if such Securities are to be
         redeemed, notice of such redemption has been duly given pursuant to
         this Indenture or other provision therefor satisfactory to the Trustee
         has been made;

         (iii)   Securities, except solely to the extent provided in Sections
         1402 or 1403, as applicable, with respect to which the Company has
         effected defeasance and/or covenant defeasance as provided in Article
         Fourteen;

         (iv)    Securities which have been paid pursuant to Section 306 or in
         exchange for or in lieu of which other Securities have been
         authenticated and delivered pursuant to this Indenture, other than any
         such Securities in respect of which there shall have been presented to
         the Trustee proof satisfactory to it that such Securities are held by
         a bona fide purchaser in whose hands such Securities are valid
         obligations of the Company; and

         (v)     Securities converted or exchanged into other securities or
         property (including securities of other issuers, provided that such
         securities are registered under Section 12 of the Exchange Act and such
         issuer is then eligible to use Form S-3 (or any successor form) for a
         primary offering of its securities) of the Company pursuant to or in
         accordance with this Indenture if the terms of such Securities provide
         for convertibility or exchange pursuant to Section 301;

provided, however, that in determining whether the Holders of the requisite
principal amount of the Outstanding Securities have given any request, demand,
authorization, direction, notice, consent or waiver hereunder or are present at
a meeting of Holders for quorum purposes, and for the purpose of making the
calculations required by Trust Indenture Act Section 313, (i) the principal
amount of an Original Issue Discount Security that may be counted in making
such determination or calculation and that shall be deemed to be Outstanding
for such purpose shall be equal to the amount of principal thereof that would
be (or shall have been declared to be) due and payable, at the time of such
determination, upon a declaration of acceleration of the maturity thereof
pursuant to Section 502, (ii) the principal amount of any Security denominated
in a Foreign Currency that may be counted in making such determination or
calculation and that shall be deemed Outstanding for such purpose shall be
equal to the Dollar equivalent, determined pursuant to Section 301 as of the
date such Security is originally issued by the Company, of the principal amount
(or, in the case of an Original Issue Discount Security, the Dollar equivalent
as of such date of original issuance of the amount determined as provided in
clause (i) above) of such Security, (iii) the principal amount of any Indexed
Security that may be counted in



                                      7
<PAGE>   15

making such determination or calculation and that shall be deemed outstanding
for such purpose shall be equal to the principal face amount of such Indexed
Security at original issuance, unless otherwise provided with respect to such
Indexed Security pursuant to Section 301, and (iv) Securities owned by the
Company or any other obligor upon the Securities or any Affiliate of the Company
or of such other obligor shall be disregarded and deemed not to be Outstanding,
except that, in determining whether the Trustee shall be protected in making
such calculation or in relying upon any such request, demand, authorization,
direction, notice, consent or waiver, only Securities which a Responsible
Officer of the Trustee actually knows to be so owned shall be so disregarded.
Securities so owned which have been pledged in good faith may be regarded as
Outstanding if the pledgee establishes to the satisfaction of the Trustee the
pledgee's right so to act with respect to such Securities and that the pledgee
is not the Company or any other obligor upon the Securities or any Affiliate of
the Company or of such other obligor.

         "Paying Agent" means any Person authorized by the Company to pay the
principal of (and premium or Make-Whole Amount, if any) or interest on any
Securities, or coupons on behalf of the Company, or if no such Person is
authorized, the Company.

         "Person" means any individual, corporation, partnership, limited
liability company, joint venture, association, joint stock company, trust,
unincorporated organization or government or any agency or political
subdivision thereof.

         "Place of Payment" means, when used with respect to the Securities of
or within any series, the place or places where the principal of (and premium or
Make-Whole Amount, if any) and interest on such Securities are payable as
specified as contemplated by Sections 301 and 1002.

         "Predecessor Security" of any particular Security means every previous
Security evidencing all or a portion of the same debt as that evidenced by such
particular Security; and, for the purposes of this definition, any Security
authenticated and delivered under Section 306 in exchange for or in lieu of a
mutilated, destroyed, lost or stolen Security or a Security to which a
mutilated, destroyed, lost or stolen coupon appertains shall be deemed to
evidence the same debt as the mutilated, destroyed, lost or stolen Security or
the Security to which the mutilated, destroyed, lost or stolen coupon
appertains.

         "Redemption Date" means, when used with respect to any security to be
redeemed in whole or in part, the date fixed for such redemption by or pursuant
to this Indenture.

         "Redemption Price" means, when used with respect to any Security to be
redeemed, the price at which it is to be redeemed pursuant to this Indenture.

         "Registered Security" means any Security which is registered in the
Security Register.

         "Regular Record Date" for the installment of interest payable on any
Interest Payment Date on the Registered Securities of or within any series
means the date specified for that purpose as contemplated by Section 301,
whether or not a Business Day.

         "Repayment Date" means, when used with respect to any Security to be
repaid or repurchased at the option of the Holder, the date fixed for such
repayment or repurchase by or pursuant to this Indenture.



                                      8
<PAGE>   16

         "Repayment Price" means, when used with respect to any Security to be
repaid or purchased at the option of the Holder, the price at which it is to be
repaid or repurchased pursuant to this Indenture.

         "Responsible Officer" means any vice president, assistant vice
president, assistant treasurer, assistant secretary or any other officer of the
Trustee customarily performing functions similar to those performed by any of
the above designated officers and having direct responsibility for the
administration of this Indenture, and also, with respect to a particular matter,
any other officer to whom such matter is referred because of such officer's
knowledge of and familiarity with the particular subject.

         "Securities Act" means the Securities Act of 1933, as amended, and the
rules and regulations promulgated thereunder by the Commission.

         "Security" has the meaning stated in the first recital of this
Indenture and, more particularly, means any Security or Securities
authenticated and delivered under this Indenture; provided, however, that if
at any time there is more than one Person acting as Trustee under this
Indenture, "Securities" with respect to the Indenture as to which such Person
is Trustee shall have the meaning stated in the first recital of this Indenture
and shall more particularly mean Securities authenticated and delivered under
this Indenture, exclusive, however, of Securities of or within any series as to
which such Person is not Trustee.

         "Security Register" and "Security Registrar" have the respective
meanings specified in Section 305.

         "Significant Subsidiary" means any Subsidiary which is a "significant
subsidiary" (within the meaning of Regulation S-X, promulgated under the
Securities Act) of the Company.

         "Special Record Date" for the payment of any Defaulted Interest on the
Registered Securities of or within any series means a date fixed by the Trustee
pursuant to Section 307.

         "Stated Maturity" means, when used with respect to any Security or any
installment of principal thereof or interest thereon, the date specified in
such Security or a coupon representing such installment of interest as the
fixed date on which the principal of such Security or such installment of
principal or interest is due and payable.

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

         "Trust Indenture Act" or "TIA" means the Trust Indenture Act of 1939,
as amended and as in force at the date as of which this Indenture was executed,
except as provided in Section 905.

         "Trustee" means the Person named as the "Trustee" in the first
paragraph of this Indenture until a successor Trustee shall have become such
pursuant to the applicable provisions of this Indenture, and thereafter
"Trustee" shall mean or include each



                                      9
<PAGE>   17

Person who is then a Trustee hereunder; provided, however, that if at any time
there is more than one such Person, "Trustee" as used with respect to the
Securities of or within any series shall mean only the Trustee with respect to
the Securities of that series.

         "United States" means, unless otherwise specified with respect to any
Securities pursuant to Section 301, the United States of America (including the
states and the District of Columbia), its territories, its possessions and
other areas subject to its jurisdiction.

         "United States person" means, unless otherwise specified with respect
to any Securities pursuant to Section 301, an individual who is a citizen or
resident of the United States, a corporation, partnership or other entity
created or organized in or under the laws of the United States of or any state
or the District of Columbia or an estate or trust the income of which is
subject to United States federal income taxation regardless of its source.

         "Yield to Maturity" means the yield to maturity, computed at the time
of issuance of a Security (or, if applicable, at the most recent
predetermination of interest on such Security) and as set forth in such
Security in accordance with generally accepted United States bond yield
computation principles.

         SECTION 102.     Compliance Certificates and Opinions.

         Upon any application or request by the Company to the Trustee to take
any action under any provision of this Indenture, the Company shall furnish to
the Trustee an Officers' Certificate stating that all conditions precedent, if
any, provided for in this Indenture (including covenants, compliance with which
constitute conditions precedent) relating to the proposed action have been
complied with and an Opinion of Counsel stating that in the opinion of such
counsel all such conditions precedent, if any, have been complied with, except
that in the case of any such application or request as to which the furnishing
of such documents is specifically required by any provision of this Indenture
relating to such particular application or request, no additional certificate
or opinion need be furnished.

         Every certificate or opinion with respect to compliance with a
condition or covenant provided for in this Indenture (excluding certificates
delivered pursuant to Section 1010) shall include:

         (1)     a statement that each individual signing such certificate or
opinion has read such condition or covenant and the definitions herein relating
thereto;

         (2)     a brief statement as to the nature and scope of the
examination or investigation upon which the statements or opinions contained in
such certificate or opinion are based;

         (3)     a statement that, in the opinion of each such individual, he
has made such examination or investigation as is necessary to enable him to
express an informed opinion as to whether or not such condition or covenant has
been complied with; and

         (4)     a statement as to whether, in the opinion of each such
individual, such condition or covenant has been complied with.


                                      10
<PAGE>   18

         SECTION 103.     Form of Documents Delivered to Trustee.

         In any case where several matters are required to be certified by, or
covered by an opinion of, any specified Person, it is not necessary that all
such matters be certified by, or covered by the opinion of, only one such
Person, or that they be so certified or covered by only one document, but one
such Person may certify or give an opinion as to some matters and one or more
other such Persons as to other matters, and any such Person may certify or give
an opinion as to such matters in one or several documents.

         Any certificate or opinion of an officer of the Company may be based,
insofar as it relates to legal matters, upon an Opinion of Counsel, or a
certificate or representations by counsel, unless such officer knows, or in the
exercise of reasonable care should know, that the opinion, certificate or
representations with respect to the matters upon which his certificate or
opinion is based are erroneous.  Any such Opinion of Counsel or certificate or
representations may be based, insofar as it relates to factual matters, upon a
certificate or opinion of, or representations by, an officer or officers of the
Company stating that the information as to such factual matters is in the
possession of the Company, unless such counsel knows that the certificate or
opinion or representations as to such matters are erroneous.

         Where any Person is required to make, give or execute two or more
applications, requests, consents, certificates, statements, opinions or other
instruments under this Indenture, they may, but need not, be consolidated and
form one instrument.

         SECTION 104.     Acts of Holders.

         (a)     Any request, demand, authorization, direction, notice, consent,
waiver or other action provided by this Indenture to be given or taken by
Holders of the Outstanding Securities of all series or one or more series, as
the case may be, may be embodied in and evidenced by one or more instruments of
substantially similar tenor signed by such Holders in person or by agents duly
appointed in writing.  If Securities of a series are issuable as Bearer
Securities, any request, demand, authorization, direction, notice, consent,
waiver or other action provided by this Indenture to be given or taken by
Holders of Securities of such series may, alternatively, be embodied in and
evidenced by the record of Holders of Securities of such series voting in favor
thereof, whether in person or by proxies duly appointed in writing, at any
meeting of Holders of Securities of such series duly called and held in
accordance with the provisions of Article Fifteen, or a combination of such
instruments and any such record.  Except as herein otherwise expressly provided,
such action shall become effective when such instrument or instruments or record
or both are delivered to the Trustee and, where it is hereby expressly required,
to the Company.  Such instrument or instruments and any such record (and the
action embodied therein and evidenced thereby) are herein sometimes referred to
as the "Act" of the Holders signing such instrument or instruments or so voting
at any such meeting.  Proof of execution of any such instrument or of a writing
appointing any such agent, or of the holding by any Person of a Security, shall
be sufficient for any purpose of this Indenture and (subject to Section 612)
conclusive in favor of the Trustee and the Company and any agent of the Trustee
or the Company, if made in the manner provided in this Section.  The record of
any meeting of Holders of Securities shall be proved in the manner provided in
Section 1506.

         (b)     The fact and date of the execution by any Person of any such
instrument or writing may be proved by the affidavit of a


                                      11
<PAGE>   19

witness of such execution or by a certificate of a notary public or other
officer authorized by law to take acknowledgments of deeds, certifying that
the individual signing such instrument or writing acknowledged to him the
execution thereof.  Where such execution is by a signer acting in a capacity
other than his individual capacity, such certificate or affidavit shall also
constitute sufficient proof of his authority.  The fact and date of the
execution of any such instrument or writing, or the authority of the Person
executing the same, may also be proved in any other reasonable manner which the
Trustee deems sufficient.

         (c)     The ownership of Registered Securities shall be proved by the
Security Register or by a certificate of the Security Registrar.

         (d)     The ownership of Bearer Securities may be proved by the
production of such Bearer Securities or by a certificate executed, as
depository, by any trust company, bank, banker or other depository, wherever
situated, if such certificate shall be deemed by the Trustee to be
satisfactory, showing that at the date therein mentioned such person had on
deposit with such depository, or exhibited to it, the Bearer Securities therein
described; or such facts may be proved by the certificate or affidavit of the
Person holding such Bearer Securities, if such certificate or affidavit is
deemed by the Trustee to be satisfactory.  The Trustee and the Company may
assume that such ownership of any Bearer Security continues until (1) another
certificate or affidavit bearing a later date issued in respect of the same
Bearer Security is produced, or (2) such Bearer Security is produced to the
Trustee by some other Person, or (3) such Bearer Security is surrendered in
exchange for a Registered Security, or (4) such Bearer Security is no longer
Outstanding.  The ownership of Bearer Securities may also be proved in any
other manner which the Trustee deems sufficient.

         (e)     If the Company shall solicit from the Holders of Registered
Securities any request, demand, authorization, direction, notice, consent,
waiver or other Act, the Company may, at its option, in or pursuant to a Board
Resolution, fix in advance a record date for the determination of Holders
entitled to give such request, demand, authorization, direction, notice,
consent, waiver or other Act, but the Company shall have no obligation to do
so.  Notwithstanding TIA Section 316(c), such record date shall be the record
date specified in or pursuant to such Board Resolution, which shall be a date
not earlier than the date 30 days prior to the first solicitation of Holders
generally in connection therewith and not later than the date such solicitation
is completed.  If such a record date is fixed, such request, demand,
authorization, direction, notice, consent, waiver or other Act may be given
before or after such record date, but only the Holders of record at the close
of business on such record date shall be deemed to be Holders for the purposes
of determining whether Holders of the requisite proportion of Outstanding
Securities have authorized or agreed or consented to such request, demand,
authorization, direction, notice, consent, waiver or other Act, and for that
purpose the Outstanding Securities shall be computed as of such record date;
provided that no such authorization, agreement or consent by the Holders on
such record date shall be deemed effective unless it shall become effective
pursuant to the provisions of this Indenture not later than eleven months after
the record date.

         (f)     Any request, demand, authorization, direction, notice,
consent, waiver or other Act of the Holder of any Security shall bind every
future Holder of the same Security and the Holder of every Security issued upon
the registration of transfer thereof or in exchange therefor or in lieu thereof
in respect of anything done, omitted or suffered to be done by the Trustee, any
Security Registrar, any Paying Agent, any Authenticating Agent or the


                                      12
<PAGE>   20

Company in reliance thereon, whether or not notation of such action is made
upon such Security.

         SECTION 105.     Notices, etc., the Trustee and Company.

         Any request, demand, authorization, direction, notice, consent, waiver
or Act of Holders or other document provided or permitted by this Indenture to
be made upon, given or furnished to or filed with,

         (1)     the Trustee by any Holder or by the Company shall be
sufficient for every purpose hereunder if made, given, furnished or filed in
writing to or with the Trustee at its Corporate Trust Office, Attention:
Corporate Trust Department, or

         (2)     the Company by the Trustee or by any Holder shall be
sufficient for every purpose hereunder (unless otherwise herein expressly
provided) if in writing and mailed, first class postage prepaid, to the Company
addressed to it at the address of its principal office specified in the first
paragraph of this Indenture or at any other address previously furnished in
writing to the Trustee by the Company.

         SECTION 106.     Notice to Holders; Waiver.

         Where this Indenture provides for notice of any event to Holders of
Registered Securities by the Company or the Trustee, such notice shall be
sufficiently given (unless otherwise herein expressly provided) if in writing
and mailed, first-class postage prepaid, to each such Holder affected by such
event, at his address as it appears in the Security Register, not later than
the latest date, and not earlier than the earliest date, prescribed for the
giving of such notice.  In any case where notice to Holders of Registered
Securities is given by mail, neither the failure to mail such notice, nor any
defect in any notice so mailed, to any particular Holder shall affect the
sufficiency of such notice with respect to other Holders of Registered
Securities or the sufficiency of any notice to Holders of Bearer Securities
given as provided herein.  Any notice mailed to a Holder in the manner herein
prescribed shall be conclusively deemed to have been received by such Holder,
whether or not such Holder actually receives such notice.

         If by reason of the suspension of or irregularities in regular mail
service or by reason of any other cause it shall be impracticable to give such
notice by mail, then such notification to Holders of Registered Securities as
shall be made with the approval of the Trustee shall constitute a sufficient
notification to such Holders for every purpose hereunder.

         Except as otherwise expressly provided herein or otherwise specified
with respect to any Securities pursuant to Section 301, where this Indenture
provides for notice to Holders of Bearer Securities of any event, such notice
shall be sufficiently given if published in an Authorized Newspaper in The City
of New York and in such other city or cities as may be specified in such
Securities, and if the Securities of such series are listed on any stock
exchange outside the United States, in any place at which such Securities are
listed on a securities exchange to the extent that such securities exchange so
requires, on a Business Day, such publication to be not later than the latest
date, and not earlier than the earliest date, prescribed for the giving of such
notice.  Any such notice shall be deemed to have been given on the date of such
publication or, if published more than once, on the date of the first such
publication.



                                      13
<PAGE>   21



         If by reason of the suspension of publication of any Authorized
Newspaper or Authorized Newspapers or by reason of any other cause it shall be
impracticable to publish any notice to Holders of Bearer Securities as provided
above, then such notification to Holders of Bearer Securities as shall be given
with the approval of the Trustee shall constitute sufficient notice to such
Holders for every purpose hereunder.  Neither the failure to give notice by
publication to any particular Holder of Bearer Securities as provided above,
nor any defect in any notice so published, shall affect the sufficiency of such
notice with respect to other Holders of Bearer Securities or the sufficiency of
any notice to Holders of Registered Securities given as provided herein.

         Any request, demand, authorization, direction, notice, consent or
waiver required or permitted under this Indenture shall be in the English
language, except that any published notice may be in an official language of
the country of publication.

         Where this Indenture provides for notice in any manner, such notice
may be waived in writing by the Person entitled to receive such notice, either
before or after the event, and such waiver shall be the equivalent of such
notice.  Waivers of notice by Holders shall be filed with the Trustee, but such
filing shall not be a condition precedent to the validity of any action taken
in reliance upon such waiver.

         SECTION 107.     Effect of Headings and Table of Contents.

         The Article and Section headings herein and the Table of Contents are
for convenience only and shall not affect the construction hereof.

         SECTION 108.     Successors and Assigns.

         All covenants and agreements in this Indenture by the Company shall
bind its successors and assigns, whether so expressed or not.

         SECTION 109.     Separability Clause.

         In case any provision in this Indenture or in any Security or coupon
shall be invalid, illegal or unenforceable, the validity, legality and
enforceability of the remaining provisions shall not in any way be affected or
impaired thereby.

         SECTION 110.     Benefits of Indenture.

         Nothing in this Indenture or in the Securities or coupons appertaining
thereto, express or implied, shall give to any Person, other than the parties
hereto, any Security Registrar, any Paying Agent, any Authenticating Agent and
their successors hereunder and the Holders any benefit or any legal or
equitable right, remedy or claim under this Indenture.

         SECTION 111.     No Personal Liability.

         No recourse under or upon any obligation, covenant or agreement
contained in this Indenture, in any Security or coupon appertaining thereto, or
because of any indebtedness evidenced thereby, shall be had against any
promoter, as such, or against any past, present or future shareholder, officer
or director, as such, of the Company or of any successor, either directly or
through the Company or any successor, under any rule of law, statute or
constitutional provision or by the enforcement of any assessment or by any
legal or equitable proceeding or otherwise, all such liability being expressly
waived and released by the acceptance of


                                      14
<PAGE>   22

the Securities by the Holders thereof and as part of the consideration for the
issue of the Securities.

         SECTION 112.     Governing Law.

         This Indenture and the Securities and coupons shall be governed by and
construed in accordance with the laws of the State of Georgia.  This Indenture
is subject to the provisions of the TIA that are required to be part of this
Indenture and shall, to the extent applicable, be governed by such provisions.

         SECTION 113.     Legal Holidays.

         In any case where any Interest Payment Date, Redemption Date, Repayment
Date, sinking fund payment date, Stated Maturity or Maturity of any Security or
the last date on which a Holder has the right to convert or exchange a Security
at a particular conversion or exchange price shall not be a Business Day at any
Place of Payment, then (notwithstanding any other provision of this Indenture or
any Security or coupon other than a provision in the Securities of any series
which specifically states that such provision shall apply in lieu hereof),
payment of interest or any Additional Amounts or principal (and premium or
Make-Whole Amount, if any) need not be made at such Place of Payment on such
date, conversion or exchange need not be made at such Place of Payment on such
date, but may be made on the next succeeding Business Day at such Place of
Payment with the same force and effect as if made on the Interest Payment Date,
Redemption Date, Repayment Date or sinking fund payment date, or at the Stated
Maturity or Maturity or on such last day for conversion or exchange, provided
that no interest shall accrue on the amount so payable for the period from and
after such Interest Payment Date, Redemption Date, Repayment Date, sinking fund
payment date, Stated Maturity or Maturity or on such last day for conversion or
exchange, as the case may be.

                                  ARTICLE TWO

                                SECURITIES FORMS

         SECTION 201.     Forms of Securities.

         The Registered Securities, if any, of each series and the Bearer
Securities, if any, and related coupons of each series, shall be in
substantially the forms as shall be established in or pursuant to one or more
indentures supplemental hereto or Board Resolutions, shall have such
appropriate insertions, omissions, substitutions and other variations as are
required or permitted by this Indenture or any indenture supplemental hereto,
and may have such letters, numbers or other marks of identification or
designation and such legends or endorsements placed thereon as the Company may
deem appropriate and as are not inconsistent with the provisions of this
Indenture, or as may be required to comply with any law or with any rule or
regulation made pursuant thereto or with any rule or regulation of any stock
exchange on which the Securities may be listed, or to conform to usage.

         Unless otherwise specified as contemplated by Section 301, Bearer
Securities shall have interest coupons attached.

         The definitive Securities and coupons shall be printed, lithographed
or engraved or produced by any combination of these methods on a steel engraved
border or steel engraved borders or may be produced in any other manner, all as
determined by the officers of the Company executing such Securities or coupons, 
as evidenced by their execution of such Securities or coupons.

         SECTION 202.     Form of Trustee's Certificate of Authentication.

         Subject to Section 611, the Trustee's certificate of


                                      15
<PAGE>   23

authentication shall be in substantially the following form:

         This is one of the Securities of the series designated therein
referred to in the within-mentioned Indenture.


                                             SunTrust Bank, Atlanta, as Trustee


                                             By:__________________________
                                                        Authorized Officer

         SECTION 203.     Securities Issuable in Global Form.
 
         If Securities of or within a series are issuable in global form, as
specified as contemplated by Section 301, then, notwithstanding clause (8) of
Section 301 and the provisions of Section 302, any such Security shall represent
such of the Outstanding Securities of such series as shall be specified therein
and may provide that it shall represent the aggregate amount of Outstanding
Securities of such series from time to time endorsed thereon and that the
aggregate amount of Outstanding Securities of such series represented thereby
may from time to time be increased or decreased to reflect exchanges. Any
endorsement of a Security in global form to reflect the amount, or any increase
or decrease in the amount, of Outstanding Securities represented thereby shall
be made by the Trustee in such manner and upon written instruction given by such
Person or Persons as shall be specified therein or in the Company Order to be
delivered to the Trustee pursuant to Section 303 or 304.  Subject to the
provisions of Section 303 and, if applicable, Section 304, the Trustee shall
deliver and redeliver any Security in permanent global form in the manner and
upon written instructions given by the Person or Persons specified therein or in
the applicable Company Order. If a Company Order pursuant to Section 303 or 304
has been, or simultaneously is, delivered, any instructions by the Company with
respect to endorsement or delivery or redelivery of a Security in global form
shall be in writing but need not comply with Section 102 and need not be
accompanied by an Opinion of Counsel.

         The provisions of the last sentence of Section 303 shall apply to any
Security represented by a Security in global form if such Security was never
issued and sold by the Company and the Company delivers to the Trustee the
Security in global form together with written instructions (which need not
comply with Section 102 and need not be accompanied by an Opinion of Counsel)
with regard to the reduction in the principal amount of Securities represented
thereby, together with the written statement contemplated by the last sentence
of Section 303.


         Notwithstanding the provisions of Section 307, unless otherwise
specified as contemplated by Section 301, payment of principal of and any 
premium or Make-Whole Amount and interest on any Security in permanent global 
form shall be made to the Person or Persons specified therein.

         Notwithstanding the provisions of Section 308 and except as provided
in the preceding paragraph, the Company, the Trustee and any agent of the
Company and the Trustee shall treat as the Holder of such principal amount of
Outstanding Securities represented by a permanent global Security (i) in the
case of a permanent global Security in registered form, the Holder of such
permanent global Security in registered form, or (ii) in the case of a permanent
global Security in bearer form, Euroclear or CEDEL.

                                 ARTICLE THREE


                                      16
<PAGE>   24

                                 THE SECURITIES

         SECTION 301.     Amount Unlimited; Issuable in Series.

         The aggregate principal amount of Securities which may be
authenticated and delivered under this Indenture is unlimited.

         The Securities may be issued in one or more series.  There shall be
established in or pursuant to one or more Board Resolutions, or indentures
supplemental hereto, prior to the issuance of Securities of any series, any or
all of the following, as applicable (each of which (except for the matters set
forth in clauses (1), (2) and (15) below), if so provided, may be determined
from time to time by the Company with respect to unissued Securities of or
within the series when issued from time to time):

         (1)     the title of the Securities of or within the series (which
shall distinguish the Securities of such series from all other series of
Securities);

         (2)     any limit upon the aggregate principal amount of the
Securities of or within the series that may be authenticated and delivered
under this Indenture (except for Securities authenticated and delivered upon
registration of transfer of, or in exchange for, or in lieu of, other
Securities of or within the series pursuant to Section 304, 305, 306, 906,
1107, or 1305);

         (3)     the date or dates, or the method by which such date or dates
will be determined, on which the principal of the Securities of or within the
series shall be payable and the amount of principal payable thereon;

         (4)     the rate or rates (which may be fixed or variable) at which the
Securities of or within the series shall bear interest, if any, or the method
by which such rate or rates shall be determined, the date or dates from which
such interest shall accrue or the method by which such date or dates shall be
determined, the Interest Payment Dates on which such interest will be payable
and the Regular Record Date, if any, for the interest payable on any Registered
Security on any Interest Payment Date, or the method by which such date shall
be determined, and the basis upon which interest shall be calculated if other
than that of a 360-day year consisting of twelve 30-day months;

         (5)     the place or places, if any, other than or in addition to the
City of Atlanta, Georgia or the Borough of Manhattan, The City of New York,
where the principal of (and premium or Make-Whole Amount, if any), interest, if
any, on, and Additional Amounts, if any, payable in respect of, Securities of
or within the series shall be payable, any Registered Securities of or within
the series may be surrendered for registration of transfer, exchange or
conversion and notices or demands to or upon the Company in respect of the
Securities of or within the series and this Indenture may be served;

         (6)     the period or periods within which, the price or prices
(including the premium or Make-Whole Amount, if any) at which, the currency or
currencies, currency unit or units or composite currency or currencies in which
and other terms and conditions upon which Securities of or within the series
may be redeemed in whole or in part, at the option of the Company, if the
Company is to have the option;

         (7)     the obligation, if any, of the Company to redeem, repay or
purchase Securities of or within the series pursuant to any sinking fund or
analogous provision or at the option of a Holder thereof, and the period or
periods within which or the date or


                                      17
<PAGE>   25

dates on which, the price or prices at which, the currency or currencies,
currency unit or units or composite currency or currencies in which, and other
terms and conditions upon which Securities of or within the series shall be
redeemed, repaid or purchased, in whole or in part, pursuant to such
obligation;

         (8)     if other than denominations of $1,000 and any integral
multiple thereof, the denominations in which any Registered Securities of or
within the series shall be issuable and, if other than the denomination of
$5,000, the denomination or denominations in which any Bearer Securities of or
within the series shall be issuable;

         (9)     if other than the Trustee, the identity of each Security
Registrar and/or Paying Agent;

         (10)    if other than the principal amount thereof, the portion of the
principal amount of Securities of or within the series that shall be payable
upon declaration of acceleration of the maturity thereof pursuant to Section
502 or, if applicable, the portion of the principal amount of Securities of or
within the series that is convertible in accordance with the provisions of this
Indenture, or the method by which such portion shall be determined;

         (11)    if other than Dollars, the Foreign Currency or Currencies in
which payment of the principal of (and premium or Make-Whole Amount, if any) or
interest or Additional Amounts, if any, on the Securities of or within the
series shall be payable or in which the Securities of or within the series
shall be denominated;

         (12)    whether the amount of payments of principal of (and premium or
Make-Whole Amount, if any) or interest, if any, on the Securities of or within
the series may be determined with reference to an index, formula or other
method (which index, formula or method may be based, without limitation, on one
or more currencies, currency units, composite currencies, commodities, equity
indices or other indices), and the manner in which such amounts shall be
determined;

         (13)    whether the principal of (and premium or Make Whole Amount, if
any) or interest or Additional Amounts, if any, on the Securities of or within
the series are to be payable, at the election of the Company or a Holder
thereof, in a currency or currencies, currency unit or units or composite
currency or currencies other than that in which such Securities are denominated
or stated to be payable, the period or periods within which, and the terms and
conditions upon which, such election may be made, and the time and manner of,
and identity of the exchange rate agent with responsibility for, determining
the exchange rate between the currency or currencies, currency unit or units or
composite currency or currencies in which such Securities are denominated or
stated to be payable and the currency or currencies, currency unit or units or
composite currency or currencies in which such Securities are to be so payable;

         (14)    provisions, if any, granting special rights to the Holders of
Securities of or within the series upon the occurrence of such events as may be
specified;

         (15)    any deletions from, modifications of or additions to the
Events of Default or covenants of the Company with respect to Securities of or
within the series, whether or not such Events of Default or covenants are
consistent with the Events of Default or covenants set forth herein;

         (16)    whether Securities of or within the series are to be


                                      18
<PAGE>   26

issuable as Registered Securities, Bearer Securities (with or without coupons)
or both, any restrictions applicable to the offer, sale or delivery of Bearer
Securities and the terms upon which Bearer Securities of or within the series
may be exchanged for Registered Securities of or within the series and vice
versa (if permitted by applicable laws and regulations), whether any Securities
of or within the series are to be issuable initially in temporary global form
and whether any Securities of or within the series are to be issuable in
permanent global form (with or without coupons) and, if so, whether beneficial
owners of interests in any such permanent global Security may exchange such
interests for Securities of such series and of like tenor of any authorized form
and denomination and the circumstances under which any such exchanges may
occur, if other than in the manner provided in Section 305, and, if Registered
Securities of or within the series are to be issuable as a global Security, the
identity of the depository for such series;

         (17)    the date as of which any Bearer Securities of or within the
series and any temporary global Security representing Outstanding Securities of
or within the series shall be dated if other than the date of original issuance
of the first Security of the series to be issued;

         (18)    the Person to whom any interest on any Registered Security of
the series shall be payable, if other than the Person in whose name that
Security (or one or more Predecessor Securities) is registered at the close of
business on the Regular Record Date for such interest, the manner in which, or
the Person to whom, any interest on any Bearer Security of the series shall be
payable, if otherwise than upon presentation and surrender of the coupons
appertaining thereto as they severally mature, and the extent to which, or the
manner in which, any interest payable on a temporary global Security on an
Interest Payment Date will be paid if other than in the manner provided in
Section 304;

         (19)    the applicability, if any, of Sections 1402 and/or 1403 to the
Securities of or within the series and any provisions in modification of, in
addition to or in lieu of any of the provisions of Article Fourteen;

         (20)    if the Securities of such series are to be issuable in
definitive form (whether upon original issue or upon exchange of a temporary
Security of such series) only upon receipt of certain certificates or other
documents or satisfaction of other conditions, then the form and/or terms of
such certificates, documents or conditions;

         (21)    if the Securities of or within the series are to be issued
upon the exercise of debt warrants, the time, manner and place for such
Securities to be authenticated and delivered;

         (22)    whether and under what circumstances the Company will pay
Additional Amounts as contemplated by Section 1011 on the Securities of or
within the series to any Holder who is not a United States person (including
any modification to the definition of such term) in respect of any tax,
assessment or governmental charge and, if so, whether the Company will have the
option to redeem such Securities rather than pay such Additional Amounts (and
the terms of any such option);

         (23)    the obligation, if any, of the Company to permit the Securities
of such series to be converted into or exchanged for Common Stock of the Company
or other securities or property of the Company and the terms and conditions upon
which such conversion or exchange shall be effected (including, without
limitation, the initial conversion or exchange price or rate, the conversion or
exchange period, any


                                      19
<PAGE>   27

adjustment of the applicable conversion or exchange price or rate and any
requirements relative to the reservation of such shares for purposes of
conversion or exchange); 

         (24)    if convertible or exchangeable, any applicable limitations on
the ownership or transferability of the securities or property into which such
Securities are convertible or exchangeable; and

         (25)    any other terms of the series (which terms shall not be
inconsistent with the provisions of this Indenture except as permitted by
Section 905).

         All Securities of any one series and the coupons appertaining to any
Bearer Securities of such series, if any, shall be substantially identical
except, in the case of Registered or Bearer Securities issued in global form,
as to denomination and except as may otherwise be provided in or pursuant to
such Board Resolution or in any indenture supplemental hereto.  All Securities
of any one series need not be issued at the same time and, unless otherwise
provided, a series may be reopened, without the consent of the Holders, for
issuances of additional Securities of such series.

         If any of the terms of the Securities of any series are established by
action taken pursuant to one or more Board Resolutions, a copy of an
appropriate record of such action(s) shall be certified by the Secretary or an
Assistant Secretary of the Company and delivered to the Trustee at or prior to
the delivery of the Company Order for authentication and delivery of such
Securities.

         SECTION 302.     Denominations.

         The Securities of each series shall be issuable in such denominations
as shall be specified as contemplated by Section 301.  With respect to
Securities of any series denominated in Dollars, in the absence of any such
provisions with respect to the Securities of any series, the Registered
Securities of such series, other than Registered Securities issued in global
form (which may be of any denomination), shall be issuable in denominations of
$1,000 and any integral multiple thereof and the Bearer Securities of such
series other than Bearer Securities issued in global form (which may be of any
denomination), shall be issuable in denominations of $5,000.

         SECTION 303.     Execution, Authentication, Delivery and Dating.

         The Securities and any coupons appertaining thereto shall be executed
on behalf of the Company by its President or a Vice President, under its
corporate seal reproduced thereon, and attested by its Secretary or an
Assistant Secretary.  The signature of any of these officers on the Securities
and coupons may be manual or facsimile signatures of the present or any future
such authorized officer and may be imprinted or otherwise reproduced on the
Securities.

         Securities or coupons appertaining thereto bearing the manual or
facsimile signatures of individuals who were at any time the proper officers of
the Company shall bind the Company, notwithstanding that such individuals or
any of them have ceased to hold such offices prior to the authentication and
delivery of such Securities or did not hold such offices at the date of such
Securities or coupons.

         At any time and from time to time after the execution and delivery of
this Indenture, the Company may deliver Securities of any series, together with
any coupon appertaining thereto, executed


                                      20

<PAGE>   28

by the Company to the Trustee for authentication, together with a Company Order
for the authentication and delivery of such Securities, and the Trustee in
accordance with the Company Order shall authenticate and deliver such
Securities; provided, however, that, in connection with its original issuance,
no Bearer Security shall be mailed or otherwise delivered to any location in
the United States; and provided further that, unless otherwise specified with
respect to any series of Securities pursuant to Section 301 a Bearer Security
may be delivered in connection with its original issuance only if the Person
entitled to receive such Bearer Security shall have furnished a certificate to
Euroclear or CEDEL, as the case may be, in the form set forth in Exhibit A-1 to
this Indenture or such other certificate as may be specified with respect to
any series of Securities pursuant to Section 301, dated no earlier than 15 days
prior to the earlier of the date on which such Bearer Security is delivered and
the date on which any temporary Security first becomes exchangeable for such
Bearer Security in accordance with the terms of such temporary Security and
this Indenture.  Except as permitted by Section 306, the Trustee shall not
authenticate and deliver any Bearer Security unless all appurtenant coupons for
interest then matured have been detached and canceled.

         If all of the Securities of any series are not to be issued at one time
and if the Board Resolution or supplemental indenture establishing such series
shall so permit, such Company Order may set forth procedures acceptable to the
Trustee for the issuance of such Securities and determining the terms of
particular Securities of such series, such as interest rate or formula, maturity
date, date of issuance and date from which interest shall accrue.  In
authenticating such Securities, and accepting the additional responsibilities
under this Indenture in relation to such Securities, the Trustee shall be
entitled to receive, and (subject to Section 612 and TIA Section 315(a) through
315(d)) shall be fully protected in conclusively relying upon:

         (i)     an Opinion of Counsel complying with Section 102 and stating
                 that:

                 (a)      the form or forms of such Securities and any coupons
                 have been, or will have been upon compliance with such
                 procedures as may be specified therein, established in
                 conformity with the provisions of this Indenture;

                 (b)      the terms of such Securities and any coupons have
                 been, or will have been upon compliance with such procedures
                 as may be specified therein, established in conformity with
                 the provisions of this Indenture; and

                 (c)      such Securities, together with any coupons
                 appertaining thereto, when completed pursuant to such
                 procedures as may be specified therein, and executed and
                 delivered by the Company to the Trustee for authentication in
                 accordance with this Indenture, authenticated and delivered by
                 the Trustee in accordance with this Indenture and issued by
                 the Company in the manner and subject to any conditions
                 specified in such Opinion of Counsel, will constitute legal,
                 valid and binding obligations of the Company, enforceable in
                 accordance with their terms, subject to applicable bankruptcy,
                 insolvency, reorganization and other similar laws of general
                 applicability relating to or affecting the enforcement of
                 creditors' rights generally and to general equitable
                 principles and to such other matters as may be specified
                 therein; and


                                      21

<PAGE>   29

         (ii)    an Officers' Certificate complying with Section 102 and
stating that all conditions precedent provided for in this Indenture relating
to the issuance of such Securities have been, or will have been upon compliance
with such procedures as may be specified therein, complied with and that, to
the best of the knowledge of the signers of such certificate, no Event of
Default with respect to such Securities shall have occurred and be continuing.

         Notwithstanding the provisions of Section 301 and of the preceding
paragraph, if all the Securities of any series are not to be issued at one
time, it shall not be necessary to deliver a Company Order, an Opinion of
Counsel or an Officers' Certificate otherwise required pursuant to the
preceding paragraph at the time of issuance of each Security of such series,
but such order, opinion and certificate, with appropriate modifications to
cover such future issuances, shall be delivered at or before the time of
issuance of the first Security of such series.

         The Trustee shall not be required to authenticate such Securities if
the issue of such Securities pursuant to this Indenture will affect the
Trustee's own rights, duties, obligations or immunities under the Securities
and this Indenture or otherwise in a manner which is not reasonably acceptable
to the Trustee.

         Each Registered Security shall be dated the date of its authentication
and each Bearer Security shall be dated as of the date specified as
contemplated by Section 301.

         No Security or coupon appertaining thereto shall be entitled to any
benefit under this Indenture or be valid or obligatory for any purpose unless
there appears on such Security or the Security to which such coupon appertains
a certificate of authentication substantially in the form provided for herein
duly executed by the Trustee by manual signature of an authorized officer, and
such certificate upon any Security shall be conclusive evidence,and the only
evidence, that such Security has been duly authenticated and delivered
hereunder and is entitled to the benefits of this Indenture.  Notwithstanding
the foregoing, if any Security shall have been authenticated and delivered
hereunder but never issued and sold by the Company, and the Company shall
deliver such Security to the Trustee for cancellation as provided in Section
309 together with a written statement (which need not comply with Section 102
and need not be accompanied by an Opinion of Counsel) stating that such
Security has never been issued or sold by the Company, for all purposes of this
Indenture such Security shall be deemed never to have been authenticated and
delivered hereunder and shall never be entitled to the benefits of this
Indenture.

         SECTION 304.     Temporary Securities.

         (a)     Pending the preparation of definitive Securities of any
series, the Company may execute, and upon Company Order the Trustee shall
authenticate and deliver, temporary Securities which are printed, lithographed,
typewritten, mimeographed or otherwise produced, in any authorized
denomination, substantially of the tenor of the definitive Securities in lieu
of which they are issued, in registered form, or, if authorized, in bearer form
with one or more coupons or without coupons, and with such appropriate
insertions, omissions, substitutions and other variations as the officers of
the Company executing such Securities may determine, as conclusively evidenced
by their execution of such Securities.  In the case of Securities of any
series, such temporary Securities may be in global form.

         Except in the case of temporary Securities in global form


                                      22

<PAGE>   30

(which shall be exchanged in accordance with Section 304(b) or as otherwise
provided in or pursuant to a Board Resolution), if temporary Securities of any
series are issued, the Company will cause definitive Securities of that series
to be prepared without unreasonable delay.  After the preparation of definitive
Securities of such series, the temporary Securities of such series shall be
exchangeable for definitive Securities of such series upon surrender of the
temporary Securities of such series at the office or agency of the Company in a
Place of Payment for that series, without charge to the Holder.  Upon surrender
for cancellation of any one or more temporary Securities of any series
(accompanied by any non-matured coupons appertaining thereto), the Company
shall execute and the Trustee shall authenticate and deliver in exchange
therefor a like principal amount of definitive Securities of the same series of
authorized denominations; provided, however, that no definitive Bearer Security
shall be delivered in exchange for a temporary Registered Security; and
provided further that a definitive Bearer Security shall be delivered in
exchange for a temporary Bearer Security only in compliance with the conditions
set forth in Section 303.  Until so exchanged, the temporary Securities of any
series shall in all respects be entitled to the same benefits under this
Indenture as definitive Securities of such series.

         (b)     Unless otherwise provided as contemplated in Section 301, this
Section 304(b) shall govern the exchange of temporary Securities issued in
global form other than through the facilities of DTC.  If any such temporary
Security is issued in global form, then such temporary global Security shall,
unless otherwise provided therein, be delivered to the London office of a
depository or common depository (the "Common Depository"), for the benefit of
Euroclear and CEDEL.

         Without unnecessary delay but in any event not later than the date
specified in, or determined pursuant to the terms of, any such temporary global
Security (the "Exchange Date"), the Company shall deliver to the Trustee
definitive Securities, in an aggregate principal amount equal to the principal
amount of such temporary global Security, executed by the Company.  On or after
the Exchange Date, such temporary global Security shall be surrendered by the
Common Depository to the Trustee, as the Company's agent for such purpose, to
be exchanged, in whole or from time to time in part, for definitive Securities
without charge, and the Trustee shall authenticate and deliver, in exchange for
each portion of such temporary global Security, an equal aggregate principal
amount of definitive Securities of or within the same series of authorized
denominations and of like tenor as the portion of such temporary global
Security to be exchanged.  The definitive Securities to be delivered in
exchange for any such temporary global Security shall be in bearer form,
registered form, permanent global bearer form or permanent global registered
form, or any combination thereof, as specified as contemplated by Section 301,
and, if any combination thereof is so specified, as requested by the beneficial
owner thereof; provided, however, that, unless otherwise specified in such
temporary global Security, upon such presentation by the Common Depository,
such temporary global Security is accompanied by a certificate dated the
Exchange Date or a subsequent date and signed by Euroclear as to the portion of
such temporary global Security, if any, held for its account then to be
exchanged and a certificate dated the Exchange Date or a subsequent date and
signed by CEDEL as to the portion of such temporary global Security, if any,
held for its account then to be exchanged, each in the form set forth in
Exhibit A-2 to this Indenture or in such other form as may be established
pursuant to Section 301; and provided further that definitive Bearer Securities
shall be delivered in exchange for a portion of a temporary global Security
only in compliance


                                      23

<PAGE>   31
with the requirements of Section 303.

        Unless otherwise specified in such temporary global Security, the
interest of a beneficial owner of Securities of a series in a temporary global
Security shall be exchanged for definitive Securities of the same series and of
like tenor following the Exchange Date when the account holder instructs
Euroclear or CEDEL, as the case may be, to request such exchange on his behalf
and delivers to Euroclear or CEDEL, as the case may be, a certificate in the
form set forth in Exhibit A-1 to this Indenture (or in such other form as may
be established pursuant to Section 301), dated no earlier than 15 days prior to
the Exchange Date, copies of which certificate shall be available from the
offices of Euroclear or CEDEL, the Trustee, any Authenticating Agent appointed
for such series of Securities and each Paying Agent.  Unless otherwise
specified in such temporary global Security, any such exchange shall be made
free of charge to the beneficial owners of such temporary global Security,
except that a Person receiving definitive Securities must bear the cost of
insurance, postage, transportation and the like unless such Person takes
delivery of such definitive Securities in person at the offices of Euroclear
or CEDEL.  Definitive Securities in bearer form to be delivered in exchange for
any portion of a temporary global Security shall be delivered only outside the
United States.

        Until exchanged in full as hereinabove provided, the temporary
Securities of any series shall in all respects be entitled to the same benefits
under this Indenture as definitive Securities of the same series and of like
tenor authenticated and delivered hereunder, except that, unless otherwise
specified as contemplated by Section 301, interest payable on a temporary
global Security on an Interest Payment Date for Securities of such series
occurring prior to the applicable Exchange Date shall be payable to Euroclear
or CEDEL on such Interest Payment Date upon delivery by Euroclear or CEDEL to
the Trustee of a certificate or certificates in the form set forth in Exhibit
A-2 to this Indenture (or in such other forms as may be established pursuant to
Section 301), for credit without further interest on or after such Interest
Payment Date to the respective accounts of Persons who are the beneficial
owners of such temporary global Security on such Interest Payment Date and who
have each delivered to Euroclear or CEDEL, as the case may be, a certificate
dated no earlier than 15 days prior to the Interest Payment Date occurring
prior to such Exchange Date in the form set forth as Exhibit A-1 to this
Indenture (or in such other forms as may be established pursuant to Section
301).  Notwithstanding anything to the contrary herein contained, the
certifications made pursuant to this paragraph shall satisfy the certification
requirements of the preceding two paragraphs of this Section 304(b) and of the
third paragraph of Section 303 of this Indenture and the interests of the
Persons who are the beneficial owners of the temporary global Security with
respect to which such certification was made will be exchanged for definitive
Securities of the same series and of like tenor on the Exchange Date or the
date of certification if such date occurs after the Exchange Date, without
further act or deed by such beneficial owners.  Except as otherwise provided in
this paragraph, no payments of principal or interest owing with respect to a
beneficial interest in a temporary global Security will be made unless and
until such interest in such temporary global Security shall have been exchanged
for an interest in a definitive Security.  Any interest so received by
Euroclear or CEDEL and not paid as herein provided shall be returned to the
Trustee prior to the expiration of two years after such Interest Payment Date
in order to be repaid to the Company.

         SECTION 305.  Registration, Registration of Transfer and Exchange.


                                      24

<PAGE>   32

         The Company shall cause to be kept at the Corporate Trust Office of
the Trustee or in any office or agency of the Company in a Place of Payment a
register for each series of Securities (the registers maintained in such office
or in any such office or agency of the Company in a Place of Payment being
herein sometimes referred to collectively as the "Security Register") in which,
subject to such reasonable regulations as it or the Security Registrar may 
prescribe, the Company shall provide for the registration of Registered
Securities and of transfers of Registered Securities.  The Security Register
shall be in written form or any other form capable of being converted into
written form within a reasonable time.  The Trustee, at its Corporate Trust
Office, is hereby initially appointed "Security Registrar" for the purpose of
registering Registered Securities and transfers of Registered Securities on
such Security Register as herein provided.  In the event that the Trustee shall
cease to be Security Registrar, it shall have the right to examine the Security
Register at all reasonable times and to require that a copy of the Security
Register in written form be delivered to it from time to time as reasonably
requested.

         Subject to the provisions of this Section 305, upon surrender for
registration of transfer of any Registered Security of any series at any office
or agency of the Company in a Place of Payment for that series, the Company
shall execute, and the Trustee shall authenticate and deliver, in the name of
the designated transferee or transferees, one or more new Registered Securities
of the same series, of any authorized denominations and of a like aggregate
principal amount, bearing a number not contemporaneously outstanding, and
containing identical terms and provisions.

        Subject to the provisions of this Section 305, at the option of the
Holder, Registered Securities of any series may be exchanged for other
Registered Securities of the same series, of any authorized denomination or
denominations and of a like aggregate principal amount, containing identical
terms and provisions, upon surrender of the Registered Securities to be
exchanged at any such office or agency.  Whenever any such Registered
Securities are so surrendered for exchange, the Company shall execute, and the
Trustee shall authenticate and deliver, the Registered Securities which the
Holder making the exchange is entitled to receive.  Unless otherwise specified
with respect to any series of Securities as contemplated by Section 301, Bearer
Securities may not be issued in exchange for Registered Securities.

        If (but only if) permitted as contemplated by Section 301, at the
option of the Holder, Bearer Securities of any series may be exchanged for
Registered Securities of the same series of any authorized denominations and of
a like aggregate principal amount and tenor, upon surrender of the Bearer
Securities to be exchanged at any such office or agency, with all unmatured
coupons and all matured coupons in default thereto appertaining.  If the Holder
of a Bearer Security is unable to produce any such unmatured coupon or coupons
or matured coupon or coupons in default, any such permitted exchange may be
effected if the Bearer Securities are accompanied by payment in funds
acceptable to the Company in an amount equal to the face amount of such missing
coupon or coupons, or the surrender of such missing coupon or coupons may be
waived by the Company and the Trustee if there is furnished to them such
security or indemnity as they may require to save each of them and any Paying
Agent harmless.  If thereafter the Holder of such Security shall surrender to
any Paying Agent any such missing coupon in respect of which such a payment
shall have been made, such Holder shall be entitled to receive the amount of 
such payment; provided, however, that, except as otherwise provided in Section 
1002, interest represented by coupons shall be payable only upon presentation 
and


                                      25

<PAGE>   33

surrender of those coupons at an office or agency located outside the
United States.  Notwithstanding the foregoing, in case a Bearer Security of any
series is surrendered at any such office or agency in a permitted exchange for
a Registered Security of the same series and like tenor after the close of
business at such office or agency on (i) any Regular Record Date and before the
opening of business at such office or agency on the relevant Interest Payment
Date, or (ii) any Special Record Date and before the opening of business at
such office or agency on the related proposed date for payment of Defaulted
Interest, such Bearer Security shall be surrendered without the coupon relating
to such Interest Payment Date or proposed date for payment, as the case may be,
and interest or Defaulted Interest, as the case may be, will not be payable on
such Interest Payment Date or proposed date for payment, as the case may be,
in respect of the Registered Security issued in exchange for such Bearer
Security, but will be payable only to the Holder of such coupon when due in
accordance with the provisions of this Indenture. Whenever any Securities are
so surrendered for exchange, the Company shall execute, and the Trustee shall
authenticate and deliver, the Securities which the holder making the exchange
is entitled to receive.

        Notwithstanding the foregoing, except as otherwise specified as
contemplated by Section 301, any permanent global Security shall be
exchangeable only as provided in this paragraph.  If the depository for any
permanent global Security is DTC, then, unless the terms of such global
Security expressly permit such global Security to be exchanged in whole or in
part for definitive Securities, a global Security may be transferred, in whole
but not in part, only to a nominee of DTC, or by a nominee of DTC to DTC, or to
a successor to DTC for such global Security selected or approved by the Company
or to a nominee of such successor to DTC.  If at any time DTC notifies the
Company that it is unwilling or unable to continue as depository for the
applicable global Security or Securities or if at any time DTC ceases to be a
clearing agency registered under the Exchange Act if so required by applicable
law or regulation, the Company shall appoint a successor depository with
respect to such global Security or Securities.  If (x) a successor depository
for such global Security or Securities is not appointed by the Company within
90 days after the Company receives such notice or becomes aware of such
unwillingness, inability or ineligibility, (y) an Event of Default has occurred
and is continuing and the beneficial owners representing a majority in
principal amount of the applicable series of Securities represented by such
global Security or Securities advise DTC to cease acting as depository for such
global Security or Securities or (z) the Company, in its sole discretion,
determines at any time that all Outstanding Securities (but not less than all)
of any series issued or issuable in the form of one or more global Securities
shall no longer be represented by such global Security or Securities (provided,
however, the Company may not make such determination during the 40-day
restricted period provided by Regulation S under the Securities Act or during
any other similar period during which the Securities must be held in global
form as may be required by the Securities Act), then the Company shall execute,
and the Trustee shall authenticate and deliver definitive Securities of like
series, rank, tenor and terms in definitive form in an aggregate principal
amount equal to the principal amount of such global Security or Securities.  If
any beneficial owner of an interest in a permanent global Security is otherwise
entitled to exchange such an interest for Securities of such series and of like
tenor and principal amount of another authorized form and denomination, as
specified as contemplated by Section 301 and provided that any applicable
notice provided in the permanent global Security shall have been given, then
without unnecessary delay but in any event not later than the earliest date on
which


                                      26

<PAGE>   34

such interest may be so exchanged, the Company shall execute, and the
Trustee shall authenticate and deliver definitive Securities in aggregate
principal amount equal to the principal amount of such beneficial owner's
interest in such permanent global Security.  On or after the earliest date on
which such interests may be so exchanged, such permanent global Security shall
be surrendered for exchange by DTC or such other depository as shall be
specified in the Company Order with respect thereto to the Trustee, as the
Company's agent for such purpose; provided, however, that no such exchanges may
occur during a period beginning at the opening of business 15 days before any
selection of Securities to be redeemed and ending on the relevant Redemption
Date if the Security for which exchange is requested may be among those
selected for redemption; and provided further that no Bearer Security delivered
in exchange for a portion of a permanent global Security shall be mailed or
otherwise delivered to any location in the United States. If a Registered
Security is issued in exchange for any portion of a permanent global Security
after the close of business at the office or agency where such exchange occurs
on (i) any Regular Record Date and before the opening of business at such
office or agency on the relevant Interest Payment Date, or (ii) any Special
Record Date and before the opening of business at such office or agency on the
related proposed date for payment of Defaulted Interest, interest or Defaulted
Interest, as the case may be, will not be payable on such Interest Payment Date
or proposed date for payment, as the case may be, in respect of such Registered
Security, but will be payable on such Interest Payment Date or proposed date
for payment, as the case may be, only to the Person to whom interest in respect
of such portion of such permanent global Security is payable in accordance with
the provisions of this Indenture.

         All Securities issued upon any registration of transfer or exchange of
Securities shall be the valid obligations of the Company, evidencing the same
debt, and entitled to the same benefits under this Indenture, as the Securities
surrendered upon such registration of transfer or exchange.

         Every Registered Security presented or surrendered for registration of
transfer or for exchange or redemption shall (if so required by the Company or
the Security Registrar) be duly endorsed, or be accompanied by a written
instrument of transfer in form satisfactory to the Security Registrar, duly
executed by the Holder thereof or his attorney duly authorized in writing.

         No service charge shall be made for any registration of transfer or
exchange of Securities, but the Company may require payment of a sum sufficient
to cover any tax or other governmental charge that may be imposed in connection
with any registration of transfer or exchange of Securities, other than
exchanges pursuant to Section 304, 906, 1107 or 1305 not involving any transfer.

         The Company or the Trustee, as applicable, shall not be required (i)
to issue, register the transfer of or exchange any Security if such Security
may be among those selected for redemption during a period beginning at the
opening of business 15 days before selection of the Securities to be redeemed
under Section 1103 and ending at the close of business on (A) if such
Securities are issuable only as Registered Securities, the day of the mailing
of the relevant notice of redemption and (B) if such Securities are issuable as
Bearer Securities, the day of the first publication of the relevant notice of
redemption or, if such Securities are also issuable as Registered Securities
and there is no publication, the mailing of the relevant notice of redemption,
or (ii) to register the transfer of or exchange any Registered Security so
selected for redemption in whole or in part, except, in


                                      27

<PAGE>   35

the case of any Registered Security to be redeemed in part, the portion
thereof not to be redeemed, or (iii) to exchange any Bearer Security so
selected for redemption except that such a Bearer Security may be exchanged for
a Registered Security of that series and like tenor, provided that such
Registered Security shall be simultaneously surrendered for redemption, or (iv)
to issue or to register the transfer or exchange of any Security which has been
surrendered for repayment at the option of the Holder, except the portion, if
any, of such Security not to be so repaid.

         SECTION 306.  Mutilated, Destroyed, Lost and Stolen Securities.

         If any mutilated Security or a Security with a mutilated coupon
appertaining to it is surrendered to the Trustee or the Company, together with
such security or indemnity as may be required by the Company or the Trustee to
save each of them or any agent of either of them harmless, the Company shall
execute and the Trustee shall authenticate and deliver in exchange therefor a
new Security of the same series and principal amount, containing identical
terms and provisions and bearing a number not contemporaneously outstanding,
with coupons corresponding to the coupons, if any, appertaining to the
surrendered Security.

         If there shall be delivered to the Company and to the Trustee (i)
evidence to their satisfaction of the destruction, loss or theft of any
Security or coupon, and (ii) such security or indemnity as may be required by
them to save each of them and any agent of either of them harmless, then, in
the absence of actual notice to the Company or the Trustee that such Security or
coupon has been acquired by a bona fide purchaser, the Company shall execute
and upon its request the Trustee shall authenticate and deliver, in lieu of any
such destroyed, lost or stolen Security or in exchange for the Security to
which a destroyed, lost or stolen coupon appertains (with all appurtenant
coupons not destroyed, lost or stolen), a new Security of the same series and
principal amount, containing identical terms and provisions and bearing a
number not contemporaneously outstanding, with coupons corresponding to the
coupons, if any, appertaining to such destroyed, lost or stolen Security or to
the Security to which such destroyed, lost or stolen coupon appertains.

         Notwithstanding the provisions of the previous two paragraphs, in case
any such mutilated, destroyed, lost or stolen Security or coupon has become or
is about to become due and payable, the Company in its discretion may, instead
of issuing a new Security, with coupons corresponding to coupons, if any,
appertaining to such destroyed, lost or stolen Security or to the Security to
which such destroyed, lost or stolen coupon appertains, pay such Security or
coupon; provided, however, that payment of principal of (and premium or
Make-Whole Amount, if any), any interest on and any Additional Amounts with
respect to Bearer Securities shall, except as otherwise provided in Section
1002, be payable only at an office or agency located outside the United States
and, unless otherwise specified as contemplated by Section 301, any interest on
Bearer Securities shall be payable only upon presentation and surrender of the
coupons appertaining thereto.

         Upon the issuance of any new Security under this Section, the Company
may require the payment of a sum sufficient to cover any tax or other
governmental charge that may be imposed in relation thereto and any other
expenses (including the fees and expenses of the Trustee) connected therewith.

         Every new Security of any series with its coupons, if any, issued
pursuant to this Section in lieu of any destroyed, lost or


                                      28

<PAGE>   36

stolen Security, or in exchange for a Security to which a destroyed, lost or
stolen coupon appertains, shall constitute an original additional contractual
obligation of the Company, whether or not the destroyed, lost or stolen
Security and its coupons, if any, or the destroyed, lost or stolen coupon shall
be at any time enforceable by anyone, and shall be entitled to all the benefits
of this Indenture equally and proportionately with any and all other Securities
of that series and their coupons, if any, duly issued hereunder.

         The provisions of this Section are exclusive and shall preclude (to
the extent lawful) all other rights and remedies with respect to the
replacement or payment of mutilated, destroyed, lost or stolen Securities or
coupons.

         SECTION 307.     Payment of Interest; Interest Rights Preserved.

         Except as otherwise specified with respect to a series of Securities
in accordance with the provisions of Section 301, interest on any Registered
Security that is payable, and is punctually paid or duly provided for, on any
Interest Payment Date shall be paid to the Person in whose name that Security
(or one or more Predecessor Securities) is registered at the close of business
on the Regular Record Date for such interest at the office or agency of the
Company maintained for such purpose pursuant to Section 1002; provided,
however, that each installment of interest on any Registered Security may at
the Company's option be paid by (i) mailing a check for such interest, payable
to or upon the written order of the Person entitled thereto pursuant to Section
308, to the address of such Person as it appears on the Security Register or
(ii) transfer to an account maintained by the payee located inside the United
States.

         Unless otherwise provided as contemplated by Section 301 with respect
to the Securities of any series, payment of interest may be made, in the case
of a Bearer Security, by transfer to an account maintained by the payee with a
bank located outside the United States.

         Unless otherwise provided as contemplated by Section 301, every
permanent global Security will provide that interest, if any, payable on any
Interest Payment Date will be paid to DTC, Euroclear and/or CEDEL, as the case
may be, with respect to that portion of such permanent global Security held for
its account by DTC, Euroclear or CEDEL, as the case may be, for the purpose of
permitting such party to credit the interest received by it in respect of such
permanent global Security to the accounts of the beneficial owners thereof.

         In case a Bearer Security of any series is surrendered in exchange for
a Registered Security of such series after the close of business (at an office
or agency in a Place of Payment for such series) on any Regular Record Date and
before the opening of business (at such office or agency) on the next
succeeding Interest Payment Date, such Bearer Security shall be surrendered
without the coupon relating to such Interest Payment Date and interest will not
be payable on such Interest Payment Date in respect of the Registered Security
issued in exchange for such Bearer Security, but will be payable only to the
Holder of such coupon when due in accordance with the provisions of this
Indenture.

         Except as otherwise specified with respect to a series of Securities
in accordance with the provisions of Section 301, any interest on any
Registered Security of any series that is payable, but is not punctually paid
or duly provided for, on any Interest Payment Date (herein called "Defaulted
Interest") shall forthwith


                                      29

<PAGE>   37

cease to be payable to the registered Holder thereof on the relevant Regular
Record Date by virtue of having been such Holder, and such Defaulted Interest
may be paid by the Company, at its election in each case, as provided in clause
(1) or (2) below:

         (1)     The Company may elect to make payment of any Defaulted Interest
to the Persons in whose names the Registered Securities of such series (or
their respective Predecessor Securities) are registered at the close of
business on a Special Record Date for the payment of such Defaulted Interest,
which shall be fixed in the following manner.  The Company shall notify the
Trustee in writing of the amount of Defaulted Interest proposed to be paid on
each Registered Security of such series and the date of the proposed payment
(which shall not be less than 20 days after such notice is received by the
Trustee), and at the same time the Company shall deposit with the Trustee an
amount of money in the currency or currencies, currency unit or units or
composite currency or currencies in which the Securities of such series are
payable (except as otherwise specified pursuant to Section 301 for the
Securities of such series) equal to the aggregate amount proposed to be paid in
respect of such Defaulted Interest or shall make arrangements satisfactory to
the Trustee for such deposit on or prior to the date of the proposed payment,
such money when deposited to be held in trust for the benefit of the Persons
entitled to such Defaulted Interest as in this clause provided.  Thereupon the
Trustee shall fix a Special Record Date for the payment of such Defaulted
Interest which shall be not more than 15 days and not less than 10 days prior
to the date of the proposed payment and not less than 10 days after the receipt
by the Trustee of the notice of the proposed payment.  The Trustee shall
promptly notify the Company of such Special Record Date and, in the name and at
the expense of the Company, shall cause notice of the proposed payment of such
Defaulted Interest and the Special Record Date therefor to be mailed,
first-class postage prepaid, to each Holder of Registered Securities of such
series at his address as it appears in the Security Register not less than 10
days prior to such Special Record Date.  Notice of the proposed payment of such
Defaulted Interest and the Special Record Date therefor having been mailed as
aforesaid, such Defaulted Interest shall be paid to the Persons in whose names
the Registered Securities of such series (or their respective Predecessor
Securities) are registered at the close of business on such Special Record Date
and shall no longer be payable pursuant to the following clause (2).  In case a
Bearer Security of any series is surrendered at the office or agency in a Place
of Payment for such series in exchange for a Registered Security of such series
after the close of business at such office or agency on any Special Record Date
and before the opening of business at such office or agency on the related
proposed date for payment of Defaulted Interest, such Bearer Security shall be
surrendered without the coupon relating to such proposed date of payment and
Defaulted Interest will not be payable on such proposed date of payment in
respect of the Registered Security issued in exchange for such Bearer Security,
but will be payable only to the Holder of such coupon when due in accordance
with the provisions of this Indenture.

         (2)     The Company may make payment of any Defaulted Interest on the
Registered Securities of any series in any other lawful manner not inconsistent
with the requirements of any securities exchange on which such Securities may
be listed, and upon such notice as may be required by such exchange, if, after
notice given by the Company


                                      30

<PAGE>   38

to the Trustee of the proposed payment pursuant to this clause, such manner of
payment shall be deemed practicable by the Trustee.

         Subject to the foregoing provisions of this Section and Section 305,
each Security delivered under this Indenture upon registration of transfer of
or in exchange for or in lieu of any other Security shall carry the rights to
interest accrued and unpaid, and to accrue, which were carried by such other
Security.

         Subject to the provisions of Section 1402 and except as otherwise
specified with respect to a series of Securities in accordance with the
provisions of Section 301, in the case of any Security which is converted or
exchanged after any Regular Record Date and on or prior to the next succeeding
Interest Payment Date (other than any Security, the principal of (or premium, if
any, on) which shall become due and payable, whether at a Stated Maturity or by
declaration of acceleration, call for redemption, or otherwise, prior to such
Interest Payment Date), interest whose Stated Maturity is on such Interest
Payment Date shall be payable on such Interest Payment Date notwithstanding such
conversion or exchange, and such interest (whether or not punctually paid or
duly provided for) shall be paid to the Person in whose name that Security (or
one or more Predecessor Securities) is registered at the close of business on
such Regular Record Date. Except as otherwise expressly provided in the
immediately preceding sentence, in the case of any Security which is converted
or exchanged, interest whose Stated Maturity is after the date of conversion or
exchange of such Security shall not be payable.

         SECTION 308.     Persons Deemed Owners.

         Prior to due presentment of a Registered Security for registration of
transfer, the Company, the Trustee and any agent of the Company or the Trustee
may treat the Person in whose name such Registered Security is registered as
the owner of such Security for the purpose of receiving payment of principal of
(and premium or Make-Whole Amount, if any), and (subject to Sections 305 and
307) interest on, such Registered Security and for all other purposes
whatsoever, whether or not such Registered Security be overdue, and neither the
Company, the Trustee nor any agent of the Company or the Trustee shall be
affected by notice to the contrary.

         Title to any Bearer Security and any coupons appertaining thereto
shall pass by delivery.  The Company, the Trustee and any agent of the Company
or the Trustee may treat the Holder of any Bearer Security and the Holder of
any coupon as the absolute owner of such Security or coupon for the purpose of
receiving payment thereof or on account thereof and for all other purposes
whatsoever, whether or not such Security or coupon be overdue, and neither the
Company, the Trustee nor any agent of the Company or the Trustee shall be
affected by notice to the contrary.

         None of the Company, the Trustee, any Paying Agent or the Security
Registrar will have any responsibility or liability for any aspect of the
records relating to or payments made on account of beneficial ownership
interests of a Security in global form or for maintaining, supervising or
reviewing any records relating to such beneficial ownership interests.

         Notwithstanding the foregoing, with respect to any global Security,
nothing herein shall prevent the Company, the Trustee, or any agent of the
Company or the Trustee, from giving effect to any written certification, proxy
or other authorization furnished by any depository, as a Holder, with respect
to such global Security or impair, as between such depository and owners of
beneficial interests in such global Security, the operation of customary
practices governing the exercise of the rights of such depository (or its
nominee) as Holder of such global Security.

         SECTION 309.     Cancellation.

         All Securities and coupons surrendered for payment, redemption,
repayment at the option of the Holder, registration of transfer or exchange or
for credit against any sinking fund payment shall, if surrendered to any
Person other than the Trustee, be delivered to the Trustee, and any such
Securities and coupons and Securities and coupons surrendered directly to the
Trustee for any such purpose shall be promptly canceled by it.  The Company may
at any time deliver to the Trustee for cancellation any Securities previously
authenticated and delivered hereunder which the Company may have acquired in
any manner whatsoever, and may deliver to the Trustee (or to any other Person
for delivery to the Trustee) for cancellation any Securities previously
authenticated hereunder which the Company has not issued and sold, and all
Securities so delivered shall be promptly canceled by the Trustee.  If the
Company shall so acquire any of the Securities, however, such acquisition


                                      31

<PAGE>   39

shall not operate as a redemption or satisfaction of the indebtedness
represented by such Securities unless and until the same are surrendered to the
Trustee for cancellation.  No Securities shall be authenticated in lieu of or
in exchange for any Securities canceled as provided in this Section, except as
expressly permitted by this Indenture.  Cancelled Securities and coupons held
by the Trustee shall be destroyed by the Trustee and, if required in writing by
the Company, the Trustee shall deliver a certificate of such destruction to the
Company, unless by a Company Order the Company directs their return to it.

         SECTION 310.     Computation of Interest.

         Except as otherwise specified as contemplated by Section 301 with
respect to Securities of any series, interest on the Securities of each series
shall be computed on the basis of a 360-day year consisting of twelve 30-day
months.

                                  ARTICLE FOUR

                           SATISFACTION AND DISCHARGE

         SECTION 401.     Satisfaction and Discharge of Indenture.

         This Indenture shall upon Company Request cease to be of further
effect with respect to any series of Securities specified in such Company
Request (except as to any surviving rights of registration of transfer or
exchange of Securities of such series herein expressly provided for and any
right to receive Additional Amounts, as provided in Section 1011), and the
Trustee, upon receipt of a Company Order, and at the expense of the Company,
shall execute proper instruments acknowledging satisfaction and discharge of
this Indenture as to such series when

         (1)     either

                 (A)      all Securities of such series theretofore
                 authenticated and delivered and all coupons, if any,
                 appertaining thereto (other than (i) coupons appertaining to
                 Bearer Securities surrendered for exchange for Registered
                 Securities and maturing after such exchange, whose surrender
                 is not required or has been waived as provided in Section 305,
                 (ii) Securities and coupons of such series which have been
                 destroyed, lost or stolen and which have been replaced or paid
                 as provided in Section 306, (iii) coupons appertaining to
                 Securities called for redemption and maturing after the
                 relevant Redemption Date, whose surrender has been waived as
                 provided in Section 1106, and (iv) Securities and coupons of
                 such series for whose payment money has theretofore been
                 deposited in trust or segregated and held in trust by the
                 Company and thereafter repaid to the Company or discharged
                 from such trust, as provided in Section 1003) have been
                 delivered to the Trustee for cancellation; or

                 (B)      all Securities of such series and, in the case of (i)
                 or (ii) below, any coupons appertaining thereto not
                 theretofore delivered to the Trustee for cancellation

                          (i)     have become due and payable, or

                          (ii)    will become due and payable at their Stated
                                  Maturity within one year, or

                          (iii)   if redeemable at the option of the Company,
                                  are to be called for redemption within one
                                  year under arrangements


                                      32

<PAGE>   40

                                  satisfactory to the Trustee for the giving of
                                  notice of redemption by the Trustee in the
                                  name, and at the expense, of the Company,

                 and the Company, in the case of (i), (ii) or (iii)
                 above, has irrevocably deposited or caused to be deposited
                 with the Trustee as trust funds in trust for the purpose an
                 amount in the currency or currencies, currency unit or units
                 or composite currency or currencies in which the Securities of
                 such series are payable, sufficient to pay and discharge the
                 entire indebtedness on such Securities and such coupons not
                 theretofore delivered to the Trustee for cancellation, for
                 principal (and premium or Make-Whole Amount, if any) and
                 interest, and any Additional Amounts with respect thereto, to
                 the date of such deposit (in the case of Securities which have
                 become due and payable) or the Stated Maturity or Redemption
                 Date, as the case may be;

         (2)     The Company has paid or caused to be paid all or other sums
payable hereunder by the Company; and

         (3)     The Company has delivered to the Trustee an Officers'
Certificate and an Opinion of Counsel, each stating that all conditions
precedent herein provided for relating to the satisfaction and discharge of
this Indenture as to such series have been complied with.

         Notwithstanding the satisfaction and discharge of this Indenture, the
obligations of the Company to the Trustee and any predecessor Trustee under
Section 606, the obligations of the Company to any Authenticating Agent under
Section 611 and, if money shall have been deposited with and held by the
Trustee pursuant to subclause (B) of clause (1) of this Section, the
obligations of the Trustee under Section 402 and the last paragraph of Section
1003, shall survive.

         In the event that there are Securities of two or more series
outstanding hereunder, the Trustee shall be required to execute an instrument
acknowledging satisfaction and discharge of this Indenture only if requested to
do so with respect to Securities of a particular series as to which it is
Trustee and if the other conditions thereto are met.

         SECTION 402.     Application of Trust Funds.

         Subject to the provisions of the last paragraph of Section 1003, all
money deposited with the Trustee pursuant to Section 401 shall be held in trust
and applied by it, in accordance with the provisions of the Securities, the
coupons and this Indenture, to the payment, either directly or through any
Paying Agent (including the Company acting as its own Paying Agent) as the
Trustee may determine, to the Persons entitled thereto, of the principal (and
premium or Make-Whole Amount, if any), and any interest and Additional Amounts
for whose payment such money has been deposited with or received by the
Trustee, but such money need not be segregated from other funds except to the
extent required by law.

                                  ARTICLE FIVE

                                    REMEDIES

         SECTION 501.     Events of Default.

         Subject to any modifications, additions or deletions relating to any
series of Securities as contemplated pursuant to Section 301, "Event of
Default," wherever used herein with respect to any


                                      33

<PAGE>   41

particular series of Securities, means any one of the following events
(whatever the reason for such Event of Default and whether or not it shall be
voluntary or involuntary or be effected by operation of law or pursuant to any
judgment, decree or order of any court or any order, rule or regulation of any
administrative or governmental body):

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

         (2)     default in the payment of the principal of (or premium or
Make-Whole Amount, if any, on) any Security of that series when it becomes due
and payable at its Maturity; or

         (3)     default in the deposit of any sinking fund payment, when and
as due by the terms of any Security of that series; or

         (4)     default in the performance, or breach, of any covenant or
warranty of the Company in this Indenture with respect to any Security of that
series (other than (i) a covenant or agreement included in this Indenture solely
for the benefit of a series of Securities other than such series or (ii) a
covenant or warranty a default in whose performance or whose breach is elsewhere
in this Section specifically dealt with), and continuance of such default or
breach for a period of 60 days after there has been given, by registered or
certified mail, to the Company by the Trustee or to the Company and the Trustee
by the Holders of at least 25% in principal amount of the Outstanding Securities
of that series a written notice specifying such default or breach and requiring
it to be remedied and stating that such notice is a "Notice of Default"
hereunder; or

         (5)     default under a bond, debenture, note, mortgage, indenture
or instrument under which there may be issued or by which there may be secured
or evidenced any indebtedness for money borrowed by the Company (or by any
Subsidiary, the repayment of which the Company has guaranteed or for which the
Company is directly responsible or liable as obligor or guarantor), having a
principal amount outstanding in excess of $10,000,000 (other than indebtedness
which is non-recourse to the Company or the Subsidiaries), whether such
indebtedness now exists or shall hereafter be created, which default shall have
resulted in such indebtedness being declared due and payable prior to the date
on which it would otherwise have become due and payable, without such
indebtedness having been discharged, or such acceleration having been rescinded
or annulled, within a period of 30 days after there shall have been given, by
registered or certified mail, to the Company by the Trustee or to the Company
and the Trustee by the Holders of at least 25% in principal amount of the
Outstanding Securities of that series a written notice specifying such default
and requiring the Company to cause such indebtedness to be discharged or cause
such acceleration to be rescinded or annulled and stating that such notice is a
"Notice of Default" hereunder; or

         (6)     the Company or any Significant Subsidiary pursuant to or
within the meaning of any Bankruptcy Law:

                 (A)      commences a voluntary case,


                                      34

<PAGE>   42

                 (B)      consents to the entry of an order for relief against
                          it in an involuntary case,

                 (C)      consents to the appointment of a Custodian of it or
                          for all or substantially all of its property, or

                 (D)      makes a general assignment for the benefit of its
                          creditors; or

         (7)     a court of competent jurisdiction enters an order or decree
under any Bankruptcy Law that:

                 (A)      is for relief against the Company or any Significant
                          Subsidiary in an involuntary case,

                 (B)      appoints a Custodian of the Company or any
                          Significant Subsidiary or for all or substantially
                          all of either of its property, or

                 (C)      orders the liquidation of the Company or any
                          Significant Subsidiary, 

and the order or decree remains unstayed and in effect for 90 days; or

         (8)     any other Event of Default provided with respect to Securities
of that series.

         As used in this Section 501, the term "Bankruptcy Law" means Title 11,
U.S. Code or any similar Federal or state law for the relief of debtors and the
term "Custodian" means any receiver, trustee, assignee, liquidator or other
similar official under any Bankruptcy Law.

         SECTION 502.   Acceleration of Maturity; Rescission and Annulment.

         If an Event of Default with respect to Securities of any series at the
time Outstanding occurs and is continuing, then and in every such case the
Trustee or the Holders of not less than 25% in aggregate principal amount of the
Outstanding Securities of each such affected series (voting as a single class)
may declare the principal (or, if any Securities are Original Issue Discount
Securities or Indexed Securities, such portion of the principal as may be
specified in the terms thereof) of, and the Make-Whole Amount, if any, on, all
the Securities of that series to be due and payable immediately, by a notice in
writing to the Company (and to the Trustee if given by the Holders), and upon
any such declaration such principal or specified portion thereof shall become
immediately due and payable.

         At any time after such a declaration of acceleration with respect to
Securities of any series has been made and before a judgment or decree for
payment of the money due has been obtained by the Trustee as hereinafter in
this Article provided, the Holders of a majority in principal amount of the
Outstanding Securities of that series, by written notice to the Company and the
Trustee, may rescind and annul such declaration and its consequences if:

         (1)     the Company has paid or deposited with the Trustee a sum
sufficient to pay in the currency, currency unit or composite currency in which
the Securities of such series is payable (except as otherwise specified
pursuant to Section 301 for the Securities of such series):

                 (A)      all overdue installments of interest on and any
                          Additional Amounts payable in respect of all
                          Outstanding Securities of that series and any


                                      35

<PAGE>   43

                          related coupons;

                 (B)      the principal of (and premium or Make-Whole Amount,
                          if any, on) any Outstanding Securities of that series
                          which have become due otherwise than by such
                          declaration of acceleration and interest thereon at
                          the rate or rates borne by or provided for in such
                          Securities;

                 (C)      to the extent that payment of such interest is
                          lawful, interest upon overdue installments of
                          interest and any Additional Amounts at the rate or
                          rates borne by or provided for in such Securities;
                          and

                 (D)      all sums paid or advanced by the Trustee hereunder
                          and the reasonable compensation, expenses,
                          disbursements and advances of the Trustee, its agents
                          and counsel; and

         (2)     all Events of Default with respect to Securities of that
series, other than the nonpayment of the principal of (or premium or Make-Whole
Amount, if any) or interest on Securities of that series which have become due
solely by such declaration of acceleration, have been cured or waived as
provided in Section 513.

         No such rescission shall affect any subsequent default or impair any
right consequent thereon.

         SECTION 503.    Collection of Indebtedness and Suits for Enforcement 
                         by Trustee.

         The Company covenants that if:

         (1)     default is made in the payment of any installment of interest
or Additional Amounts, if any, on any Security of any series and any related
coupon when such interest or Additional Amount becomes due and payable and such
default continues for a period of 30 days, or

         (2)     default is made in the payment of the principal of (or premium
or Make-Whole Amount, if any, on) any Security of any series at its Maturity,
then the Company will, upon demand of the Trustee, pay to the Trustee, for the
benefit of the Holders of such Securities of such series and coupons, the whole
amount then due and payable on such Securities and coupons for principal (and
premium or Make-Whole Amount, if any) and interest and Additional Amounts, with
interest upon any overdue principal (and premium or Make-Whole Amount, if any)
and, to the extent that payment of such interest shall be legally enforceable,
upon any overdue installments of interest or Additional Amounts, if any, at the
rate or rates borne by or provided for in such Securities, and, in addition
thereto, such further amount as shall be sufficient to cover the costs and
expenses of collection, including the reasonable compensation, expenses,
disbursements and advances of the Trustee, its agents and counsel.

         If the Company fails to pay such amounts forthwith upon such demand,
the Trustee, in its own name and as trustee of an express trust, may institute
a judicial proceeding for the collection of the sums so due and unpaid, and may
prosecute such proceeding to judgment or final decree, and may enforce the same
against the Company or any other obligor upon such Securities of such series
and collect the moneys adjudged or decreed to be payable in the manner provided
by law out of the property of the Company or any other obligor upon such
Securities of such series, wherever


                                      36

<PAGE>   44


situated.

         If an Event of Default with respect to Securities of any series occurs
and is continuing, the Trustee may in its discretion proceed to protect and
enforce its rights and the rights of the Holders of Securities of such series
and any related coupons by such appropriate judicial proceedings as the Trustee
shall deem most effectual to protect and enforce any such rights, whether for
the specific enforcement of any covenant or agreement in this Indenture or in
aid of the exercise of any power granted herein, or to enforce any other proper
remedy.

         SECTION 504.     Trustee May File Proofs of Claim.

         In case of the pendency of any receivership, insolvency, liquidation,
bankruptcy, reorganization, arrangement, adjustment, composition or other
judicial proceeding relative to the Company or any other obligor upon the
Securities or the property of the Company or of such other obligor or their
creditors, the Trustee (irrespective of whether the principal of the Securities
of any series shall then be due and payable as therein expressed or by
declaration or otherwise and irrespective of whether the Trustee shall have
made any demand on the Company for the payment of overdue principal, premium or
Make-Whole Amount, if any, or interest) shall be entitled and empowered, by
intervention in such proceeding or otherwise:

         (i)     to file and prove a claim for the whole amount, or such lesser
amount as may be provided for in the Securities of such series, of principal
(and premium or Make-Whole Amount, if any) and interest and Additional Amounts,
if any, owing and unpaid in respect of the Securities and to file such other
papers or documents as may be necessary or advisable in order to have the
claims of the Trustee (including any claim for the reasonable compensation,
expenses, disbursements and advances of the Trustee, its agents and counsel)
and of the Holders allowed in such judicial proceeding, and

         (ii)    to collect and receive any moneys or other property payable or
deliverable on any such claims and to distribute the same;

and any custodian, receiver, assignee, trustee, liquidator, sequestrator (or
other similar official) in any such judicial proceeding is hereby authorized by
each Holder of Securities of such series and coupons to make such payments to
the Trustee, and in the event that the Trustee shall consent to the making of
such payments directly to the Holders, to pay to the Trustee any amount due to
it for the reasonable compensation, expenses, disbursements and advances of the
Trustee and any predecessor Trustee, their agents and counsel, and any other
amounts due the Trustee or any predecessor Trustee under Section 606.

         Nothing herein contained shall be deemed to authorize the Trustee to
authorize or consent to or accept or adopt on behalf of any Holder of a
Security or coupon any plan of reorganization, arrangement, adjustment or
composition affecting the Securities or coupons or the rights of any Holder
thereof, or to authorize the Trustee to vote in respect of the claim of any
Holder of a Security or coupon in any such proceeding.
 
         SECTION 505.    Trustee May Enforce Claims Without Possession of 
                         Securities or Coupons.

         All rights of action and claims under this Indenture or any of the
Securities or coupons may be prosecuted and enforced by the


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<PAGE>   45

Trustee without the possession of any of the Securities or coupons or the
production thereof in any proceeding relating thereto, and any such proceeding
instituted by the Trustee shall be brought in its own name as trustee of an
express trust, and any recovery of judgment shall, after provision for the
payment of the reasonable compensation, expenses, disbursements and advances of
the Trustee, its agents and counsel, be for the ratable benefit of the Holders
of the Securities and coupons in respect of which such judgment has been
recovered.

         SECTION 506.     Application of Money Collected.

         Any money collected by the Trustee pursuant to this Article shall be
applied in the following order, at the date or dates fixed by the Trustee and,
in case of the distribution of such money on account of principal (or premium
or Make-Whole Amount, if any) or interest and any Additional Amounts, upon
presentation of the Securities or coupons, or both, as the case may be, and the
notation thereon of the payment if only partially paid and upon surrender
thereof if fully paid:

         FIRST:  To the payment of all amounts due the Trustee and any
                 predecessor Trustee under Section 606,

         SECOND: To the payment of the amounts then due and unpaid upon the
                 Securities and coupons for principal (and premium or
                 Make-Whole Amount, if any) and interest and any Additional
                 Amounts payable, in respect of which or for the benefit of
                 which such money has been collected, ratably, without
                 preference or priority of any kind, according to the aggregate
                 amounts due and payable on such Securities and coupons for
                 principal (and premium or Make-Whole Amount, if any), interest
                 and Additional Amounts, respectively, and

         THIRD:  To the payment of the remainder, if any, to the Company.

         SECTION 507.     Limitation on Suits.

         No Holder of any Security of any series or any related coupon shall
have any right to institute any proceeding, judicial or otherwise, with respect
to this Indenture, or for the appointment of a receiver or trustee, or for any
other remedy hereunder, unless:

         (1)     such Holder has previously given written notice to the
Trustee of a continuing Event of Default with respect to the Securities of that
series;

         (2)     the Holders of not less than 25% in principal amount of the
Outstanding Securities of that series shall have made written request to the
Trustee to institute proceedings in respect of such Event of Default in its own
name as Trustee hereunder;

         (3)     such Holder or Holders have offered to the Trustee indemnity
satisfactory to the Trustee against the costs, expenses and liabilities to be
incurred in compliance with such request;

         (4)     the Trustee for 60 days after its receipt of such notice,
request and offer of indemnity has failed to institute any such proceeding; and

         (5)     no direction inconsistent with such written request has been
given to the Trustee during such 60-day period by the Holders


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<PAGE>   46

of a majority in principal amount of the Outstanding Securities of that series;

it being understood and intended that no one or more of such Holders shall have
any right in any manner whatever by virtue of, or by availing of, any provision
of this Indenture to affect, disturb or prejudice the rights of any other of
such Holders, or to obtain or to seek to obtain priority or preference over any
other of such Holders or to enforce any right under this Indenture, except in
the manner herein provided and for the equal and ratable benefit of all such
Holders.

         SECTION 508.     Unconditional Right of Holders to Receive Principal,
                          Premium or Make-Whole Amount, if any, Interest and
                          Additional Amounts.

         Notwithstanding any other provision in this Indenture, the Holder of
any Security or coupon shall have the right which is absolute and unconditional
to receive payment of the principal of (and premium or Make-Whole Amount, if
any) and (subject to Sections 305 and 307) interest on, and any Additional
Amounts in respect of, such Security or payment of such coupon on the respective
due dates expressed in such Security or coupon (or, in the case of redemption,
on the Redemption Date), to convert or exchange such Securities in accordance
with Article Sixteen and to institute suit for the enforcement of any such
payment, and such rights shall not be impaired without the consent of such
Holder.

         SECTION 509.     Restoration of Rights and Remedies.

         If the Trustee or any Holder of a Security or coupon has instituted
any proceeding to enforce any right or remedy under this Indenture and such
proceeding has been discontinued or abandoned for any reason, or has been
determined adversely to the Trustee or to such Holder, then and in every such
case the Company, the Trustee and the Holders of Securities and coupons shall,
subject to any determination in such proceeding, be restored severally and
respectively to their former positions hereunder and thereafter all rights and
remedies of the Trustee and the Holders shall continue as though no such
proceeding has been instituted.

         SECTION 510.     Rights and Remedies Cumulative.

         Except as otherwise provided with respect to the replacement or
payment of mutilated, destroyed, lost or stolen Securities or coupons in the
last paragraph of Section 306, no right or remedy herein conferred upon or
reserved to the Trustee or to the Holders of Securities or coupons is intended
to be exclusive of any other right or remedy, and every right and remedy shall,
to the extent permitted by law, be cumulative and in addition to every other
right and remedy given hereunder or now or hereafter existing at law or in
equity or otherwise. The assertion or employment of any right or remedy
hereunder, or otherwise, shall not prevent the concurrent assertion or
employment of any other appropriate right or remedy.

         SECTION 511.     Delay or Omission Not Waiver.

         No delay or omission of the Trustee or of any Holder of any Security
or coupon to exercise any right or remedy accruing upon any Event of Default
shall impair any such right or remedy or constitute a waiver of any such Event
of Default or any acquiescence therein. Every right and remedy given by this
Article or by law to the Trustee or to the Holders may be exercised from time
to time, and as often as may be deemed expedient, by the Trustee or by the
Holders of Securities or coupons, as the case may be.


                                      39

<PAGE>   47

         SECTION 512.     Control by Holders of Securities.

         The Holders of not less than a majority in principal amount of the
Outstanding Securities of any series shall have the right to direct the time,
method and place of conducting any proceeding for any remedy available to the
Trustee or exercising any trust or power conferred on the Trustee with respect
to the Securities of such series, provided that

         (1)     such direction shall not be in conflict with any rule of law
or with this Indenture,

         (2)     the Trustee may take any other action deemed proper by the
Trustee which is not inconsistent with such direction, and

         (3)     the Trustee need not take any action which might involve it in
personal liability or be unduly prejudicial to the Holders of Securities of
such series not joining therein (but the Trustee shall have no obligation as to
the determination of such undue prejudice).

         SECTION 513.     Waiver of Past Defaults.

         The Holders of not less than a majority in principal amount of the
Outstanding Securities of any series may on behalf of the Holders of all the
Securities of such series and any related coupons consent to the waiver of
any past default hereunder with respect to such series and its consequences,
except a default

         (1)     in the payment of the principal of (or premium or Make-Whole
Amount, if any) or interest on or Additional Amounts payable in respect of any
Security of such series or any related coupons, or

         (2)     in respect of a covenant or provision hereof which under
Article Nine cannot be modified or amended without the consent of the Holder of
each Outstanding Security of such series affected.

         Upon any such waiver, such default shall cease to exist, and any Event
of Default arising therefrom shall be deemed to have been cured, for every
purpose of this Indenture; but no such waiver shall extend to any subsequent or
other default or Event of Default or impair any right consequent thereon.

         SECTION 514.     Waiver of Stay or Extension Laws.

         The Company covenants (to the extent that it may lawfully do so) that
it will not at any time insist upon, or plead, or in any manner whatsoever
claim or take the benefit or advantage of, any stay or extension law
wherever enacted, now or at any time hereafter in force, which may affect the
covenants or the performance of this Indenture; and the Company (to the extent
that it may lawfully do so) hereby expressly waives all benefit or advantage
of any such law, and covenants that it will not hinder, delay or impede the
execution of any power herein granted to the Trustee, but will suffer and
permit the execution of every such power as though no such law had been
enacted.

         SECTION 515.     Undertaking for Costs.

         All parties to this Indenture agree, and each Holder of any Security
by his acceptance thereof shall be deemed to have agreed, that any court may in
its discretion require, in any suit for the enforcement of any right or remedy
under this Indenture, or in any suit against the Trustee for any action taken
or omitted by it as Trustee, the filing by any party litigant in such suit of
an undertaking to pay the costs of such suit, and that such court may


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<PAGE>   48

in its discretion assess reasonable costs, including reasonable attorneys'
fees, against any party litigant in such suit having due regard to the merits
and good faith of the claims or defenses made by such party litigant; but the
provisions of this Section shall not apply to any suit instituted by the
Trustee, to any suit instituted by any Holder, or group of Holders, holding in
the aggregate more than 10% in principal amount of the Outstanding Securities,
or to any suit instituted by any Holder for the enforcement of the payment of
the principal of (or premium or Make-Whole Amount, if any) or interest on or
Additional Amounts payable with respect to any Security on or after the
respective Stated Maturities expressed in such Security (or in the case of
redemption, on or after the Redemption Date) or to enforce the right to convert
or exchange any Security in accordance with Article Sixteen.

                                  ARTICLE SIX

                                  THE TRUSTEE

         SECTION 601.     Notice of Defaults.

         Within 90 days after the occurrence of any default hereunder with
respect to the Securities of any series, the Trustee shall transmit in the
manner and to the extent provided in TIA Section 313(c), notice of such default
hereunder actually known to a Responsible Officer of the Trustee, unless such
default shall have been cured or waived; provided, however, that, except in the
case of a default in the payment of the principal of (or premium or Make-Whole
Amount, if any) or interest on or any Additional Amounts with respect to any
Security of such series, or in the payment of any sinking fund installment with
respect to the Securities of such series, the Trustee shall be protected in
withholding such notice if and so long as Responsible Officers of the Trustee in
good faith determine that the withholding of such notice is in the interests of
the Holders of the Securities and coupons of such series; and provided further
that in the case of any default or breach of the character specified in Section
501(4) with respect to the Securities and coupons of such series, no such notice
to Holders shall be given until at least 60 days after the occurrence thereof.
For the purpose of this Section, the term "default" means any event which is, or
after notice or lapse of time or both would become, an Event of Default with
respect to the Securities of such series.

         SECTION 602.     Certain Rights of Trustee.

         Subject to the provisions of TIA Section 315(a) through 315(d):

         (1)     the Trustee shall perform only such duties as are expressly
undertaken by it to perform under this Indenture and no implied covenants or
obligations shall be read into this Indenture against the Trustee;

         (2)     the Trustee may conclusively rely and shall be fully protected
in acting or refraining from acting upon any resolution, certificate, statement,
instrument, opinion, report, notice, request, direction, consent, order, bond,
debenture, note, coupon or other paper or document believed by it to be genuine
and to have been signed or presented by the proper party or parties;

         (3)     any request or direction of the Company mentioned herein shall
be sufficiently evidenced by a Company Request or Company Order (other than
delivery of any Security, together with any coupons appertaining thereto, to
the Trustee for authentication and delivery pursuant to Section 303 which shall
be sufficiently evidenced as provided therein) and any resolution of the Board
of Directors may be sufficiently evidenced by a Board Resolution;

         (4)     whenever in the administration of this Indenture the


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<PAGE>   49

Trustee shall deem it desirable that a matter be proved or established prior to
taking, suffering or omitting any action hereunder, the Trustee (unless other
evidence be herein specifically prescribed) may, in the absence of bad faith on
its part, rely upon an Officers' Certificate;

         (5)     the Trustee may consult with counsel and as a condition to the
taking, suffering or omission of any action hereunder may demand an Opinion of
Counsel, and the advice of such counsel or any Opinion of Counsel shall be full
and complete authorization and protection in respect of any action taken,
suffered or omitted by it hereunder in good faith and in reliance thereon;

         (6)     the Trustee shall be under no obligation to exercise any of
the rights or powers vested in it by this Indenture at the request or direction
of any of the Holders of Securities of any series or any related coupons
pursuant to this Indenture, unless such Holders shall have offered to the
Trustee security or indemnity satisfactory to it against the costs, expenses and
liabilities which might be incurred by it in compliance with such request or
direction;

         (7)     the Trustee shall not be bound to make any investigation into
the facts or matters stated in any resolution, certificate, statement,
instrument, opinion, report, notice, request, direction, consent, order, bond,
debenture, note, coupon or other paper or document, but the Trustee, in its
discretion, may make such further inquiry or investigation into such facts or
matters as it may see fit, and, if the Trustee shall determine to make such
further inquiry or investigation, it shall be entitled to examine the books,
records and premises of the Company, personally or by agent or attorney;

         (8)     the Trustee may execute any of the trusts or powers hereunder
or perform any duties hereunder either directly or by or through agents,
attorneys, custodians or nominees and the Trustee shall not be responsible for
any misconduct or negligence on the part of any agent, attorney, custodian or
nominee appointed with due care by it hereunder; and

         (9)     the Trustee shall not be liable for any action taken, suffered
or omitted by it in good faith and reasonably believed by it to be authorized or
within the discretion or rights or powers conferred upon it by this Indenture.
The Trustee shall not be required to expend or risk its own funds or otherwise
incur any financial liability in the performance of any of its duties hereunder,
or in the exercise of any of its rights or powers, if it shall have reasonable
grounds for believing that repayment of such funds or indemnity satisfactory to
the Trustee against such risk or liability is not reasonably assured to it.

         SECTION 603.     Not Responsible for Recitals or Issuance of
                          Securities.

         The recitals contained herein and in the Securities, except the
Trustee's certificate of authentication, and in any coupons shall be taken as
the statements of the Company, and neither the Trustee nor any Authenticating
Agent assumes any responsibility for their correctness. The Trustee makes no
representations as to the validity or sufficiency of this Indenture or of the
Securities or coupons, except that the Trustee represents that it is duly
authorized to execute and deliver this Indenture, authenticate the Securities
and perform its obligations hereunder. Neither the Trustee nor any
Authenticating Agent shall be accountable for the use or application by the
Company of Securities or the proceeds thereof.


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<PAGE>   50

         SECTION 604.     May Hold Securities.

         The Trustee, any Paying Agent, Security Registrar, Authenticating Agent
or any other agent of the Company, in its individual or any other capacity, may
become the owner or pledgee of Securities and coupons and, subject to Section
613 and TIA Sections 310(b) and 311, may otherwise deal with the Company with
the same rights it would have if it were not Trustee, Paying Agent, Security
Registrar, Authenticating Agent or such other agent.

         SECTION 605.     Money Held in Trust.

         Money held by the Trustee in trust hereunder need not be segregated
from other funds except to the extent required by law. The Trustee shall be
under no liability for interest on, or investment of, any money received by it
hereunder.

         SECTION 606.     Compensation and Reimbursement.

         The Company agrees:

         (1)     to pay to the Trustee from time to time reasonable
compensation for all services rendered by it hereunder, including extraordinary
services rendered in connection with or during the continuation of a default
hereunder (which compensation shall not be limited by any provision of law in
regard to the compensation of a trustee of an express trust);

         (2)     to reimburse each of the Trustee and any predecessor Trustee
upon its request for all reasonable expenses, disbursements and advances
incurred or made by it in accordance with any provision of this Indenture
(including the reasonable compensation and the expenses and disbursements of its
agents and counsel), except to the extent any such expense, disbursement or
advance may be attributable to its gross negligence or bad faith; and

         (3)     to indemnify each of the Trustee and any predecessor Trustee
and each of their respective directors, officers, agents and employees for, and
to hold each of them harmless against, any loss, liability or  expense, arising
out of or in connection with the acceptance or administration of the trust or
trusts or the performance of its duties hereunder, including the costs and
expenses of defending itself against any claim or liability in connection with
the exercise or performance of any of its powers or duties hereunder except to
the extent any such loss, liability or expense may be attributable to its own
gross negligence or bad faith.

         As security for the performance of the obligations of the Company
under this Section, the Trustee shall have a lien prior to the Securities upon
all property and funds held or collected by the Trustee as such, except funds
held in trust for the payment of principal of (or premium or Make-Whole Amount,
if any) or interest on particular Securities or any coupons.

         When the Trustee incurs expenses or renders services in connection
with an Event of Default described in Section 501(6) and (7), such expenses
(including the fees and expenses of its counsel) and the compensation for such
services are intended to constitute expenses of administration under any
Bankruptcy Law.

         The provisions of this Section shall survive the termination of this
Indenture or the resignation or removal of the Trustee.

         SECTION 607.     Corporate Trustee Required; Eligibility.

         There shall at all times be a Trustee hereunder which shall be
eligible to act as Trustee under TIA Section 310(a)(1) and shall have a
combined capital and surplus of at least $50,000,000 or is a subsidiary of a
corporation which shall be a Person that has a combined capital and surplus of
at least $50,000,000 and which unconditionally guarantees the obligations of
the Trustee


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<PAGE>   51

hereunder. If such Trustee or Person publishes reports of condition at least
annually, pursuant to law or the requirements of Federal, State, Territorial or
District of Columbia supervising or examining authority, then for the purposes
of this Section, the combined capital and surplus of such Trustee or Person
shall be deemed to be its combined capital and surplus as set forth in its most
recent report of condition so published. If at any time the Trustee shall cease
to be eligible in accordance with the provisions of this Section, it shall
resign immediately in the manner and with the effect hereinafter specified in
this Article.

         SECTION 608. Resignation and Removal; Appointment of Successor.

         (a)     No resignation or removal of the Trustee and no appointment of
a successor Trustee pursuant to this Article shall become effective until the
acceptance of appointment by the successor Trustee in accordance with the
applicable requirements of Section 609.

         (b)     The Trustee may resign at any time with respect to the
Securities of one or more series by giving written notice thereof to the
Company. If an instrument of acceptance by a successor Trustee shall not have
been delivered to the Trustee within 30 days after the giving of such notice of
resignation, the resigning Trustee may petition any court of competent
jurisdiction for the appointment of a successor Trustee.

         (c)     The Trustee may be removed at any time with respect to the
Securities of any series by Act of the Holders of a majority in principal
amount of the Outstanding Securities of such series delivered to the Trustee
and to the Company.

         (d)     If at any time:

                 (1)      the Trustee shall fail to comply with the provisions
                          of Section 613 or TIA Section 310(b) after written
                          request therefor by the Company or by any Holder of a
                          Security who has been a bona fide Holder of a Security
                          for at least six months, or

                 (2)      the Trustee shall cease to be eligible under Section
                          607 and shall fail to resign after written request
                          therefor by the Company or by any Holder of a
                          Security who has been a bona fide Holder of a
                          Security for at least six months, or

                 (3)      the Trustee shall become incapable of acting or shall
                          be adjudged a bankrupt or insolvent or a receiver of
                          the Trustee or of its property shall be appointed or
                          any public officer shall take charge or control of
                          the Trustee or of its property or affairs for the
                          purpose of rehabilitation, conservation or
                          liquidation,

then, in any such case, (i) the Company by or pursuant to a Board Resolution
may remove the Trustee and appoint a successor Trustee with respect to all
Securities, or (ii) subject to TIA Section 315(e), any Holder of a Security
who has been a bona fide Holder of a Security for at least six months may, on
behalf of himself and all others similarly situated, petition any court of
competent jurisdiction for the removal of the Trustee with respect to all
Securities and the appointment of a successor Trustee or Trustees.

         (e)     If the Trustee shall resign, be removed or become incapable of
acting, or if a vacancy shall occur in the office of


                                      44

<PAGE>   52


Trustee for any cause with respect to the Securities of one or more series, the
Company, by or pursuant to a Board Resolution, shall promptly appoint a
successor Trustee or Trustees with respect to the Securities of that or those
series (it being understood that any such successor Trustee may be appointed
with respect to the Securities of one or more or all of such series and that at
any time there shall be only one Trustee with respect to the Securities of any
particular series). If, within one year after such resignation, removal or
incapability, or the occurrence of such vacancy, a successor Trustee with
respect to the Securities of any series shall be appointed by Act of the
Holders of a majority in principal amount of the Outstanding Securities of such
series delivered to the Company and the retiring Trustee, the successor Trustee
so appointed shall, forthwith upon its acceptance of such appointment, become
the successor Trustee with respect to the Securities of such series and to that
extent supersede the successor Trustee appointed by the Company. If no
successor Trustee with respect to the Securities of any series shall have been
so appointed by the Company or the Holders of Securities and accepted
appointment in the manner hereinafter provided, any Holder of a Security who
has been a bona fide Holder of a Security of such series for at least six
months may, on behalf of himself and all others similarly situated, petition
any court of competent jurisdiction for the appointment of a successor Trustee
with respect to Securities of such series.

         (f)     The Company shall give notice of each resignation and each
removal of the Trustee with respect to the Securities of any series and each
appointment of a successor Trustee with respect to the Securities of any series
in the manner provided for notices to the Holders of Securities in Section 106.
Each notice shall include the name of the successor Trustee with respect to the
Securities of such series and the address of its Corporate Trust Office.

         SECTION 609.  Acceptance of Appointment By Successor.

         (a)     In case of the appointment hereunder of a successor Trustee
with respect to all Securities, every such successor Trustee shall execute,
acknowledge and deliver to the Company and to the retiring Trustee an
instrument accepting such appointment, and thereupon the resignation or removal
of the retiring Trustee shall become effective and such successor Trustee,
without any further act, deed or conveyance, shall become vested with all the
rights, powers, trusts and duties of the retiring Trustee; but, on request of
the Company or the successor Trustee, such retiring Trustee shall, upon payment
of its charges, execute and deliver an instrument transferring to such
successor Trustee all the rights, powers and trusts of the retiring Trustee,
and shall duly assign, transfer and deliver to such successor Trustee all
property and money held by such retiring Trustee hereunder, subject
nevertheless to its claim, if any, provided for in Section 606.

         (b)     In case of the appointment hereunder of a successor Trustee
with respect to the Securities of one or more (but not all) series, the
Company, the retiring Trustee and each successor Trustee with respect to the
Securities of one or more series shall execute and deliver an indenture
supplemental hereto, pursuant to Article Nine hereof, wherein each successor
Trustee shall accept such appointment and which (1) shall contain such
provisions as shall be necessary or desirable to transfer and confirm to, and
to vest in, each successor Trustee all the rights, powers, trusts and duties of
the retiring Trustee with respect to the Securities of that or those series to
which the appointment of such successor Trustee relates, (2) if the retiring
Trustee is not retiring with respect to all Securities, shall contain such
provisions as shall be deemed necessary or desirable to confirm that all the
rights,


                                      45

<PAGE>   53


powers, trusts and duties of the retiring Trustee with respect to the
Securities of that or those series as to which the retiring Trustee is not
retiring shall continue to be vested in the retiring Trustee, and (3) shall add
to or change any of the provisions of this Indenture as shall be necessary to
provide for or facilitate the administration of the trusts hereunder by more
than one Trustee, it being understood that nothing herein or in such
supplemental indenture shall constitute such Trustees co-trustees of the same
trust and that each such Trustee shall be trustee of a trust or trusts
hereunder separate and apart from any trust or trusts hereunder administered by
any other such Trustee; and upon the execution and delivery of such
supplemental indenture the resignation or removal of the retiring Trustee shall
become effective to the extent provided therein and each such successor
Trustee, without any further act, deed or conveyance, shall become vested with
all the rights, powers, trusts and duties of the retiring Trustee with respect
to the Securities of that or those series to which the appointment of such
successor Trustee relates; but, on request of the Company or any successor
Trustee, such retiring Trustee shall duly assign, transfer and deliver to such
successor Trustee all property and money held by such retiring Trustee
hereunder with respect to the Securities of that or those series to which the
appointment of such successor Trustee relates.

         (c)     Upon request of any such successor Trustee, the Company shall
execute any and all instruments for more fully and certainly vesting in and
confirming to such successor Trustee all such rights, powers and trusts
referred to in paragraph (a) or (b) of this Section, as the case may be.

         (d)     No successor Trustee shall accept its appointment unless at
the time of such acceptance such successor Trustee shall be qualified and
eligible under this Article.

         (e)     All monies due and owing to the Trustee shall be paid before
the Successor Trustee takes over.

         SECTION 610.     Merger, Conversion, Consolidation or Succession to
                          Business.

         Any corporation into which the Trustee may be merged or converted or
with which it may be consolidated, or any corporation resulting from any
merger, conversion or consolidation to which the Trustee shall be a party, or
any corporation succeeding to all or substantially all of the corporate trust
business of the Trustee, shall be the successor of the Trustee hereunder,
provided such corporation shall be otherwise qualified and eligible under this
Article, without the execution or filing of any paper or any further act on the
part of any of the parties hereto. In case any Securities or coupons shall have
been authenticated, but not delivered, by the Trustee then in office, any
successor by merger, conversion or consolidation to such authenticating Trustee
may adopt such authentication and deliver the Securities or coupons so
authenticated with the same effect as if such successor Trustee had itself
authenticated such Securities or coupons.  In case any Securities or coupons
shall not have been authenticated by such predecessor Trustee, any such
successor Trustee may authenticate and deliver such Securities or coupons, in
either its own name or that of its predecessor Trustee, with the full force and
effect which this Indenture provides for the certificate of authentication of
the Trustee.

         SECTION 611.     Appointment of Authenticating Agent.

         At any time when any of the Securities remain Outstanding, the Trustee
may appoint an Authenticating Agent or Agents with respect to one or more
series of Securities which shall be authorized to act on behalf of the Trustee
to authenticate Securities of such series issued upon exchange, registration of
transfer or partial


                                      46

<PAGE>   54


redemption or repayment thereof or pursuant to Section 306, and Securities so
authenticated shall be entitled to the benefits of this Indenture and shall be
valid and obligatory for all purposes as if authenticated by the Trustee
hereunder. Any such appointment shall be evidenced by an instrument in writing
signed by a Responsible Officer of the Trustee, a copy of which instrument shall
be promptly furnished to the Company. Wherever reference is made in this
Indenture to the authentication and delivery of Securities by the Trustee or the
Trustee's certificate of authentication, such reference shall be deemed to
include authentication and delivery on behalf of the Trustee by an
Authenticating Agent and a certificate of authentication executed on behalf of
the Trustee by an Authenticating Agent. Each Authenticating Agent shall be
reasonably acceptable to the Company and, except as may otherwise be provided
pursuant to Section 301, shall at all times be a bank or trust company or
corporation organized and doing business and in good standing under the laws of
the United States of America or of any State or the District of Columbia,
authorized under such laws to act as Authenticating Agent, having a combined
capital and surplus of not less than $25,000,000 and subject to supervision or
examination by Federal or State authorities. If such Authenticating Agent
publishes reports of condition at least annually, pursuant to law or the
requirements of the aforesaid supervising or examining authority, then for the
purposes of this Section, the combined capital and surplus of such
Authenticating Agent shall be deemed to be its combined capital and surplus as
set forth in its most recent report of condition so published. In case at any
time an Authenticating Agent shall cease to be eligible in accordance with the
provisions of this Section, such Authenticating Agent shall resign immediately
in the manner and with the effect specified in this Section.

         Any corporation into which an Authenticating Agent may be merged or
converted or with which it may be consolidated, or any corporation resulting
from any merger, conversion or consolidation to which such Authenticating Agent
shall be a party, or any corporation succeeding to the corporate agency or
corporate trust business of an Authenticating Agent, shall continue to be an
Authenticating Agent, provided such corporation shall be otherwise eligible
under this Section, without the execution or filing of any paper or further
act on the part of the Trustee or the Authenticating Agent.

         An Authenticating Agent for any series of Securities may at any time
resign by giving written notice of resignation to the Trustee for such series
and to the Company. The Trustee for any series of Securities may at any time
terminate the agency of an Authenticating Agent by giving written notice of
termination to such Authenticating Agent and to the Company. Upon receiving
such a notice of resignation or upon such a termination, or in case at any time
such Authenticating Agent shall cease to be eligible in accordance with the
provisions of this Section, the Trustee for such series may appoint a successor
Authenticating Agent which shall be acceptable to the Company and shall give
notice of such appointment to all Holders of Securities of or within the series
with respect to which such Authenticating Agent will serve in the manner set
forth in Section 106. Any successor Authenticating Agent upon acceptance of its
appointment hereunder shall become vested with all the rights, powers and
duties of its predecessor hereunder, with like effect as if originally named as
an Authenticating Agent herein. No successor Authenticating Agent shall be
appointed unless eligible under the provisions of this Section.

         The Company agrees to pay to each Authenticating Agent from time to
time reasonable compensation including reimbursement of its


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<PAGE>   55


reasonable expenses for its services under this Section.

         If an appointment with respect to one or more series is made pursuant
to this Section, the Securities of such series may have endorsed thereon, in
addition to or in lieu of the Trustee's certificate of authentication, an
alternate certificate of authentication substantially in the following form:

         This is one of the Securities of the series designated therein
referred to in the within-mentioned Indenture.

                                SunTrust Bank, Atlanta, as Trustee
                                
                                By:                                           
                                   -------------------------------------------
                                                       as Authenticating Agent
 
                                By:                                            
                                   -------------------------------------------
                                                            Authorized Officer
 
         SECTION 612.     Certain Duties and Responsibilities.

         No provision of this Indenture shall require the Trustee to expend or
risk its own funds or otherwise incur any financial liability in the performance
of any of its duties hereunder, or in the exercise of any of its rights or
powers, if it shall have reasonable grounds for believing that repayment of such
funds or indemnity satisfactory to the Trustee against such risk or liability is
not reasonably assured to it. Whether or not therein expressly so provided,
every provision of this Indenture relating to the conduct or affecting the
liability of or affording protection to the Trustee shall be subject to the
provisions of this Section.

         SECTION 613.     Conflicting Interests.

         If the Trustee has or shall acquire a conflicting interest within the
meaning of the Trust Indenture Act, the Trustee shall either eliminate such
interest or resign, to the extent and in the manner provided by, and subject to
the provisions of, the Trust Indenture Act and this Indenture. To the extent
permitted by such Act, the Trustee shall not be deemed to have a conflicting
interest by virtue of being a trustee under this Indenture with respect to
Securities of more than one series. In case an Event of Default shall occur and
be continuing, the Trustee shall exercise such of its rights and powers under
the applicable Indenture and use the same degree of care and skill in their
exercise as a prudent person would exercise or use under the circumstances in
the conduct of his own affairs.
 
                                 ARTICLE SEVEN

              HOLDERS' LISTS AND REPORTS BY TRUSTEE AND COMPANY

         SECTION 701.     Disclosure of Names and Addresses of Holders.

         Every Holder of Securities or coupons, by receiving and holding the
same, agrees with the Company and the Trustee that neither the Company nor the
Trustee nor any Authenticating Agent nor any Paying Agent nor any Security
Registrar nor any director, officer, agent or employee of any of them shall be
held accountable by reason of the disclosure of any information as to the names
and addresses of the Holders of Securities or coupons in accordance with TIA
Section 312, regardless of the source from which such information was derived,
and that the Trustee shall not be held accountable by reason of mailing any
material pursuant to a request made under TIA Section 312(b).

         SECTION 702.     Reports by Trustee.

         Within 60 days after March 15 of each year commencing with the first
March 15 after the first issuance of Securities pursuant to this Indenture, the
Trustee shall transmit by mail to all Holders of Securities as provided in TIA
Section 313(c) a brief report dated as of such March 15 if and to the extent
required by TIA Section 313(a).

         SECTION 703.     Reports by Company.

         The Company will:

         (1)     file with the Trustee, within 15 days after the Company is
required to file the same with the Commission, copies of the annual reports and
of the information, documents and other reports (or copies of such portions of
any of the foregoing as the Commission may from time to time by rules and
regulations prescribe) which the Company may be required to file with the
Commission pursuant to Section 13 or Section 15(d) of the Exchange Act; or, if
the Company is not required to file information, documents or reports pursuant
to either of such Sections, then it will file with the Trustee and the
Commission, in accordance with rules and regulations prescribed from time to
time by the Commission, such of the supplementary and periodic information,
documents and reports which may be required pursuant to Section 13 of the
Exchange Act in respect of a security listed and registered on a national
securities exchange as may be prescribed from time to


                                      48

<PAGE>   56

time in such rules and regulations;

         (2)     file with the Trustee and the Commission, in accordance with
rules and regulations prescribed from time to time by the Commission, such
additional information, documents and reports with respect to compliance by the
Company with the conditions and covenants of this Indenture as may be required
from time to time by such rules and regulations; and

         (3)     transmit by mail to the Holders of Securities, within 30 days
after the filing thereof with the Trustee, in the manner and to the extent
provided in TIA Section 313(c), such summaries of any information, documents
and reports required to be filed by the Company pursuant to paragraphs (1) or
(2) of this Section as may be required by rules and regulations prescribed from
time to time by the Commission.

         SECTION 704.     Company to Furnish Trustee Names and Addresses of
                          Holders.
        
         The Company will furnish or cause to be furnished to the Trustee:

         (a)     semi-annually, not later than 15 days after the Regular Record
Date for interest for each series of Securities, a list, in such form as the
Trustee may reasonably require, of the names and addresses of the Holders of
Registered Securities of such series as of such Regular Record Date, or if
there is no Regular Record Date for interest for such series of Securities,
semi-annually, upon such dates as are set forth in the Board Resolution or
indenture supplemental hereto authorizing such series, and

         (b)     at such other times as the Trustee may request in writing,
within 30 days after the receipt by the Company of any such request, a list of
similar form and content as of a date not more than 15 days prior to the time
such list is furnished,

provided, however, that, so long as the Trustee is the Security Registrar, no
such lists shall be required to be furnished.

                                 ARTICLE EIGHT

                CONSOLIDATION, MERGER, SALE, LEASE OR CONVEYANCE

         SECTION 801.     Consolidations and Mergers of Company and Sales,
                          Leases and Conveyances Permitted Subject to Certain
                          Conditions.

         The Company may consolidate with, or sell, lease or convey all or
substantially all of its assets to, or merge with or into any other Person,
provided that in any such case, (i) either the Company shall be the continuing
entity, or the successor (if other than the Company) entity shall be a Person
organized and existing under the laws of the United States or a State thereof
and such successor entity shall expressly assume the due and punctual payment of
the principal of (and premium or Make-Whole Amount, if any) and any interest
(including all Additional Amounts, if any, payable pursuant to Section 1011) on
all of the Securities, according to their tenor, the conversion or exchange
rights shall be provided for in accordance with Article Sixteen, if applicable,
or as otherwise specified pursuant to Section 301, and the due and punctual
performance and observance of all of the covenants and conditions of this
Indenture to be performed by the Company by supplemental indenture, complying
with Article Nine hereof, satisfactory to the Trustee, executed and delivered to
the Trustee by such Person and (ii) immediately after giving effect to such
transaction and treating any indebtedness which becomes an obligation of the
Company or any Subsidiary as a


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<PAGE>   57

result thereof as having been incurred by the Company or such Subsidiary at the
time of such transaction, no Event of Default, and no event which, after notice
or the lapse of time, or both, would become an Event of Default, shall have
occurred and be continuing.

         SECTION 802.     Rights and Duties of Successor Corporation.

         In case of any such consolidation, merger, sale, lease or conveyance
and upon any such assumption by the successor entity, such successor entity
shall succeed to and be substituted for the Company, with the same effect as if
it had been named herein as the party of the first part, and the predecessor
entity, except in the event of a lease, shall be relieved of any further
obligation under this Indenture and the Securities.  Such successor entity
thereupon may cause to be signed, and may issue either in its own name or in
the name of the Company, any or all of the Securities issuable hereunder which
theretofore shall not have been signed by the Company and delivered to the
Trustee; and, upon the order of such successor entity, instead of the Company,
and subject to all the terms, conditions and limitations in this Indenture
prescribed, the Trustee shall authenticate and shall deliver any Securities
which previously shall have been signed and delivered by the officers of the
Company to the Trustee for authentication, and any Securities which such
successor entity thereafter shall cause to be signed and delivered to the
Trustee for that purpose.  All the Securities so issued shall in all respects
have the same legal rank and benefit under this Indenture as the Securities
theretofore or thereafter issued in accordance with the terms of this Indenture
as though all of such Securities had been issued at the date of the execution
hereof.

         In case of any such consolidation, merger, sale, lease or conveyance,
such changes in phraseology and form (but not in substance) may be made in the
Securities thereafter to be issued as may be appropriate.

         SECTION 803.     Officers' Certificate and Opinion of Counsel.

         Any consolidation, merger, sale, lease or conveyance permitted under
Section 801 is also subject to the condition that the Trustee receive an
Officers' Certificate and an Opinion of Counsel to the effect that any such
consolidation, merger, sale, lease or conveyance, and the assumption by any
successor entity, complies with the provisions of this Article and that all
conditions precedent herein provided for relating to such transaction have been
complied with.

                                  ARTICLE NINE

                            SUPPLEMENTAL INDENTURES

         SECTION 901.     Supplemental Indentures Without Consent of Holders.

         Without the consent of any Holders of Securities or coupons, the
Company, when authorized by or pursuant to a Board Resolution, and the Trustee,
at any time and from time to time, may enter into one or more indentures
supplemental hereto, in form satisfactory to the Trustee, for any of the
following purposes:

         (1)     to evidence the succession of another Person to the Company
and the assumption by any such successor of the covenants of the Company herein
and in the Securities contained; or

         (2)     to add to the covenants of the Company for the benefit of


                                      50

<PAGE>   58

the Holders of all or any series of Securities (and, if such covenants are to
be for the benefit of less than all series of Securities, stating that such
covenants are expressly being included solely for the benefit of such series)
or to surrender any right or power herein conferred upon the Company; or

         (3)     to add any additional Events of Default for the benefit of the
Holders of all or any series of Securities (and if such Events of Default are
to be for the benefit of less than all series of Securities, stating that such
Events of Default are expressly being included solely for the benefit of such
series); provided, however, that in respect of any such additional Events of
Default such supplemental indenture may provide for a particular period of
grace after default (which period may be shorter or longer than that allowed in
the case of other defaults) or may provide for an immediate enforcement upon
such default or may limit the remedies available to the Trustee upon such
default or may limit the right of the Holders of a majority in aggregate
principal amount of that or those series of Securities to which such additional
Events of Default apply to waive such default; or

         (4)     to add to or change any of the provisions of this Indenture to
provide that Bearer Securities may be registrable as to principal, to change or
eliminate any restrictions on the payment of principal of or any premium,
Make-Whole Amount or Interest on Bearer Securities, to permit Bearer Securities
to be issued in exchange for Registered Securities, to permit Bearer Securities
to be issued in exchange for Bearer Securities of other authorized 
denominations or to permit or facilitate the issuance of Securities in
uncertificated form, provided that any such action shall not adversely affect 
the interests of the Holders of Securities of any series or any related coupons
in any material respect; or

         (5)     to add to, change or eliminate any of the provisions of this
Indenture in respect of any series of Securities, provided that any such
addition, change or elimination shall (i) neither (A) apply to any Security of
any series created prior to the execution of such supplemental indenture and
entitled to the benefit of such provision, nor (B) modify the rights of the
Holder of any such Security with respect to such provision; or (ii) become
effective only when there is no Security Outstanding; or

         (6)     to secure the Securities; or

         (7)     to establish the form or terms of Securities of any series and
any related coupons as permitted by Sections 201 and 301, including the
provisions and procedures relating to Securities convertible into or
exchangeable for other securities or property of the Company; or

         (8)     to evidence and provide for the acceptance of appointment
hereunder by a successor Trustee with respect to the Securities of one or more
series and to add to or change any of the provisions of this Indenture as shall
be necessary to provide for or facilitate the administration of the trusts
hereunder by more than one Trustee; or

         (9)     to make provision with respect to the conversion or exchange
rights of Holders pursuant to the requirements of Article Sixteen, including
providing for the conversion or exchange of the Securities into any security or
property of the Company; or

         (10)    to cure any ambiguity, to correct or supplement any provision
herein which may be defective or inconsistent with any other provision herein,
or to make any other provisions with respect to matters or questions arising
under this Indenture which shall not be inconsistent with the provisions of
this Indenture or to make any other changes, provided that in each case, such
provisions shall not adversely affect the interests of the Holders of
Securities of any series or any related coupons in any material respect; or


                                      51

<PAGE>   59

         (11)    to close this Indenture with respect to the authentication and
delivery of additional series of Securities or to qualify, or maintain
qualification of, this Indenture under the TIA; or

         (12)    to supplement any of the provisions of this Indenture to such
extent as shall be necessary to permit or facilitate the defeasance and
discharge of any series of Securities pursuant to Sections 401, 1402 and 1403;
provided in each case that any such action shall not adversely affect the
interests of the Holders of Securities of such series and any related coupons or
any other series of Securities in any material respect.

         SECTION 902.     Supplemental Indentures with Consent of Holders.

         With the consent of the Holders of not less than a majority in
principal amount of all Outstanding Securities affected by such supplemental
indenture, by Act of said Holders delivered to the Company and the Trustee, the
Company, when authorized by or pursuant to a Board Resolution, and the Trustee
may enter into an indenture or indentures supplemental hereto for the purpose of
adding any provisions to or changing in any manner or eliminating any of the
provisions of this Indenture or of modifying in any manner the rights of the
Holders of Securities and any related coupons under this Indenture; provided,
however, that no such supplemental indenture shall, without the consent of the
Holder of each Outstanding Security affected thereby:

         (1)     change the Stated Maturity of the principal of (or premium or
Make-Whole Amount, if any, on) or any installment of principal of or interest
on, any Security; or reduce the principal amount thereof or the rate or amount
of interest thereon or any Additional Amounts payable in respect thereof, or
any premium or Make-Whole Amount payable upon the redemption thereof, or change
any obligation of the Company to pay Additional Amounts pursuant to Section
1011 (except as contemplated by Section 801(i) and permitted by Section
901(1)), or reduce the amount of the principal of an Original Issue Discount
Security or Make-Whole Amount, if any, that would be due and payable upon a
declaration of acceleration of the Maturity thereof pursuant to Section 502 or
the amount thereof provable in bankruptcy pursuant to Section 504, or adversely
affect any right of repayment at the option of the Holder of any Security, or
change any Place of Payment where, or the currency or currencies, currency unit
or units or composite currency or currencies in which, the principal of any
Security or any premium or Make-Whole Amount or any Additional Amounts payable
in respect thereof or the interest thereon is payable, or impair the right to
institute suit for the enforcement of any such payment on or after the Stated
Maturity thereof (or, in the case of redemption or repayment at the option of
the Holder, on or after the Redemption Date or the Repayment Date, as the case
may be); or

         (2)     reduce the percentage in principal amount of the Outstanding
Securities of any series, the consent of whose Holders is required for any such
supplemental indenture, or the consent of whose Holders is required for any
waiver with respect to such series (or compliance with certain provisions of
this Indenture or certain defaults hereunder and their consequences) provided
for in this Indenture, or reduce the requirements of Section 1504 for quorum or
voting; or

         (3)     modify any of the provisions of this Section, Section 513 or
Section 1012, except to increase the required percentage to effect such action
or to provide that certain other provisions of


                                      52

<PAGE>   60
this Indenture cannot be modified or waived without the consent of the Holder
of each Outstanding Security affected thereby; or make any change that
adversely affects the right to convert or exchange any Security as provided in
Article Sixteen or pursuant to Section 301 (except as permitted by Section
901(9) or decrease the conversion or exchange rate or increase the conversion
or exchange price of any such Security. 

         (4) make any change that adversely affects the right to convert or
exchange any Security as provided in Article Sixteen or pursuant to Section 301
(except as permitted by Section 901(9)) or decrease the conversion or exchange
rate or increase the conversion or exchange price of any such Security.

         It shall not be necessary for any Act of Holders under this Section to
approve the particular form of any proposed supplemental indenture, but it
shall be sufficient if such Act shall approve the substance thereof.

         A supplemental indenture which changes or eliminates any covenant or
other provision of this Indenture which has expressly been included for the
benefit of one or more particular series of Securities, or which modifies the
rights of the Holders of Securities of such series with respect to such
covenant or other provision, shall be deemed not to affect the rights under
this Indenture of the Holders of Securities of any other series.

         SECTION 903.     Execution of Supplemental Indentures.

         In executing, or accepting the additional trusts created by, any
supplemental indenture permitted by this Article or the modification thereby of
the trusts created by this Indenture, the Trustee shall be entitled to receive,
and shall be fully protected in relying upon, an Opinion of Counsel and an
Officer's Certificate stating that the execution of such supplemental indenture
is authorized or permitted by this Indenture and that all conditions precedent
to the execution of such supplemental indenture have been complied with.  The
Trustee may, but shall not be obligated to, enter into any such supplemental
indenture which affects the Trustee's own rights, duties or immunities under
this Indenture or otherwise.

         SECTION 904.     Effect of Supplemental Indentures.

         Upon the execution of any supplemental indenture under this Article,
this Indenture shall be modified in accordance therewith, and such supplemental
indenture shall form a part of this Indenture for all purposes; and every
Holder of Securities theretofore or thereafter authenticated and delivered
hereunder and of any coupon appertaining thereto shall be bound thereby.

         SECTION 905.     Conformity with Trust Indenture Act.

         Every supplemental indenture executed pursuant to this Article shall
conform to the requirements of the Trust Indenture Act as then in effect.

         SECTION 906.     Reference in Securities to Supplemental Indentures.

         Securities of any series authenticated and delivered after the
execution of any supplemental indenture pursuant to this Article may, and shall
if required by the Trustee, bear a notation in form approved by the Trustee as
to any matter provided for in such supplemental indenture.  If the Company
shall so determine, new Securities of any series so modified as to conform, in
the opinion of the Trustee and the Company, to any such supplemental indenture
may be prepared and executed by the Company and authenticated and delivered by
the Trustee in exchange for Outstanding Securities of such series.

         SECTION 907.     Notice of Supplemental Indentures.

         Promptly after the execution by the Company and the Trustee of any
supplemental indenture pursuant to the provisions of Section 902, the Company
shall give notice thereof to the Holders of each Outstanding Security affected,
in the manner provided for in Section 106, setting forth in general terms the
substance of such


                                      53

<PAGE>   61

supplemental indenture.

                                  ARTICLE TEN

                                   COVENANTS

         SECTION 1001.    Payment of Principal, Premium or Make-Whole Amount,
                          if any, Interest and Additional Amounts.

         The Company covenants and agrees for the benefit of the Holders of
each series of Securities that it will duly and punctually pay the principal of
(and premium or Make-Whole Amount, if any) and interest on and any Additional
Amounts payable in respect of the Securities of that series in accordance with
the terms of such series of Securities, any coupons appertaining thereto and
this Indenture.  Unless otherwise specified as contemplated by Section 301 with
respect to any series of Securities, any interest due on and any Additional
Amounts payable in respect of Bearer Securities on or before Maturity, other
than Additional Amounts, if any, payable as provided in Section 1011 in respect
of principal of (or premium or Make-Whole Amount, if any, on) such a Security,
shall be payable only upon presentation and surrender of the several coupons
for such interest installments as are evidenced thereby as they severally
mature.  Unless otherwise specified with respect to Securities of any series
pursuant to Section 301, at the option of the Company, all payments of
principal may be paid by check to the registered Holder of the Registered
Security or other person entitled thereto against surrender of such Security.

         SECTION 1002.    Maintenance of Office or Agency.

         If Securities of a series are issuable only as Registered Securities,
the Company shall maintain in each Place of Payment for any series of Securities
an office or agency where Securities of that series may be presented or
surrendered for payment or conversion, where Securities of that series may be
surrendered for registration of transfer or exchange, where Securities of that
series may be converted or exchanged in accordance with Article Sixteen, and
where notices and demands to or upon the Company in respect of the Securities of
that series and this Indenture may be served.  If Securities of a series are
issuable as Bearer Securities, the Company will maintain: (A) in the City of
Atlanta, Georgia or in the Borough of Manhattan, The City of New York, an office
or agency where any Registered Securities of that series may be presented or
surrendered for payment or conversion, where any Registered Securities of that
series may be surrendered for exchange, where notices and demands to or upon the
Company in respect of the Securities of that series and this Indenture may be
served and where Bearer Securities of that series and related coupons may be
presented or surrendered for payment or conversion in the circumstances
described in the following paragraph (and not otherwise); (B) subject to any
laws or regulations applicable thereto, in a Place of Payment for that series
which is located outside the United States, an office or agency where Securities
of that series and related coupons may be presented and surrendered for payment
(including payment of any Additional Amounts payable on Securities of that
series pursuant to Section 1011) or conversion; provided, however, that if the
Securities of that series are listed on the Luxembourg Stock Exchange, The
International Stock Exchange or any other stock exchange located outside the
United States and such stock exchange shall so require, the Company will
maintain a Paying Agent for the Securities of that series in Luxembourg, London
or any other required city located outside the United States, as the case may
be, so long as the Securities of that series are listed on such exchange; and
(C) subject to any laws or regulations applicable thereto, in each Place of
Payment for that


                                      54

<PAGE>   62
series located outside the United States an office or agency where any
Securities of that series may be surrendered for registration of transfer,
where Securities of that series may be surrendered for exchange and where
notices and demands to or upon the Company in respect of the Securities of that
series and this Indenture may be served.  The Company will give prompt written
notice to the Trustee of the location, and any change in the location, of each
such office or agency. If at any time the Company shall fail to maintain any
such required office or agency or shall fail to furnish the Trustee with the
address thereof, such presentations, surrenders, notices and demands may be made
or served at the Corporate Trust Office of the Trustee, except that Bearer
Securities of that series and the related coupons may be presented and
surrendered for payment (including payment of any Additional Amounts payable on
Bearer Securities of that series pursuant to Section 1011) at the offices
specified in the Security, in London, England, and the Company hereby appoints
the same as its agent to receive such respective presentations, surrenders,
notices and demands, and the Company hereby appoints the Trustee its agent to
receive all such presentations, surrenders, notices and demands.

         Unless otherwise specified with respect to any Securities pursuant to
Section 301, no payment of principal, premium, Make-Whole Amount or interest on
or Additional Amounts in respect of Bearer Securities shall be made at any
office or agency of the Company in the United States or by check mailed to any
address in the United States or by transfer to an account maintained with a
bank located in the United States; provided, however, that, if the Securities
of a series are payable in Dollars, payment of principal of and any premium and
interest on any Bearer Security (including any Additional Amounts or Make-Whole
Amount payable on Securities of such series pursuant to Section 1011) shall be
made at the office of the Company's Paying Agent in the City of Atlanta,
Georgia or the Borough of Manhattan, The City of New York, if (but only if)
payment in Dollars of the full amount of such principal, premium, interest,
Additional Amounts or Make-Whole Amount, as the case may be, at all offices or
agencies outside the United States maintained for the purpose by the Company in
accordance with this Indenture, is illegal or effectively precluded by exchange
controls or other similar restrictions.

         The Company may from time to time designate one or more other offices
or agencies where the Securities of one or more series and related coupons, if
any, may be presented or surrendered for any or all of such purposes, and may
from time to time rescind such designations; provided, however, that no such
designation or rescission shall in any manner relieve the Company of its
obligation to maintain an office or agency in accordance with the requirements
set forth above for Securities of any series for such purposes. The Company
will give prompt written notice to the Trustee of any such designation or
rescission and of any change in the location of any such other office or
agency.

         Unless otherwise specified with respect to any Securities pursuant to
Section 301, if and so long as the Securities of any series (i) are denominated
in a Foreign Currency or (ii) may be payable in a Foreign Currency, or so long
as it is required under any other provision of the Indenture, then the Company
will maintain with respect to each such series of Securities, or as so
required, at least one exchange rate agent.

         SECTION 1003.    Money for Securities Payments to Be Held in Trust.

         If the Company shall at any time act as its own Paying Agent with
respect to any series of any Securities and any related


                                      55

<PAGE>   63

coupons, it will, on or before each due date of the principal of (and premium or
Make-Whole Amount, if any), or interest on or Additional Amounts in respect of,
any of the Securities of that series, segregate and hold in trust for the
benefit of the Persons entitled thereto a sum in the currency or currencies,
currency unit or units or composite currency or currencies in which the
Securities of such series are payable (except as otherwise specified pursuant
to Section 301 for the Securities of such series) sufficient to pay the
principal (and premium or Make-Whole Amount, if any) or interest or Additional
Amounts so becoming due until such sums shall be paid to such Persons or
otherwise disposed of as herein provided, and will promptly notify the Trustee
of its action or failure so to act.

         Whenever the Company shall have one or more Paying Agents for any
series of Securities and any related coupons, it will, on or before each due
date of the principal of (and premium or Make-Whole Amount, if any), or
interest on or Additional Amounts in respect of, any Securities of that series,
deposit with a Paying Agent a sum (in the currency or currencies, currency unit
or units or composite currency or currencies described in the preceding
paragraph) sufficient to pay the principal (and premium or Make-Whole Amount,
if any) or interest or Additional Amounts, so becoming due, such sum to be held
in trust for the benefit of the Persons entitled to such principal, premium,
Make-Whole Amount or interest or Additional Amounts and (unless such Paying
Agent is the Trustee) the Company will promptly notify the Trustee of its
action or failure so to act.

         The Company will cause each Paying Agent other than the Trustee to
execute and deliver to the Trustee an instrument in which such Paying Agent
shall agree with the Trustee, subject to the provisions of this Section, that
such Paying Agent will:

         (1)     hold all sums held by it for the payment of principal of (and
premium or Make-Whole Amount, if any) or interest on Securities or Additional
Amounts in trust for the benefit of the Persons entitled thereto until such
sums shall be paid to such Persons or otherwise disposed of as herein provided;

         (2)     give the Trustee written notice of any default by the Company 
(or any other obligor upon the Securities) in the making of any such payment of
principal (and premium or Make-Whole Amount, if any) or interest or Additional
Amounts; and

         (3)     at any time during the continuance of any such default upon
the written request of the Trustee, forthwith pay to the Trustee all sums so
held in trust by such Paying Agent.

         The Company may at any time, for the purpose of obtaining the
satisfaction and discharge of this Indenture or for any other purpose, pay, or
by Company Order direct any Paying Agent to pay, to the Trustee all sums held
in trust by the Company or such Paying Agent, such sums to be held by the
Trustee upon the same trusts as those upon which such sums were held by the
Company or such Paying Agent; and, upon such payment by any Paying Agent to
the Trustee, such Paying Agent shall be released from all further liability
with respect to such sums.

         Except as otherwise provided in the Securities of any series, any
money deposited with the Trustee or any Paying Agent, or then held by the
Company, in trust for the payment of the principal of (and premium or
Make-Whole Amount, if any) or interest on, or any Additional Amounts in respect
of, any Security of any series and remaining unclaimed for two years after such
principal (and premium or Make-Whole Amount, if any), interest or Additional


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<PAGE>   64
Amounts has become due and payable shall be paid to the Company upon Company
Request or (if then held by the Company) shall be discharged from such trust;
and the Holder of such Security shall thereafter, as an unsecured general
creditor, look only to the Company for payment of such principal of (and
premium or Make-Whole Amount, if any) or interest on, or any Additional Amounts
in respect of, any Security, without interest thereon, and all liability of the
Trustee or such Paying Agent with respect to such trust money, and all
liability of the Company as trustee thereof, shall thereupon cease; provided,
however, that the Trustee or such Paying Agent, before being required to make
any such repayment, may at the expense of the Company cause to be published
once, in an Authorized Newspaper, notice that such money remains unclaimed and
that, after a date specified therein, which shall not be less than 30 days from
the date of such publication, any unclaimed balance of such money then
remaining will be repaid to the Company.

          SECTION 1004. (Omitted)

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<PAGE>   65

         SECTION  1005.   Existence.

         Subject to Article Eight, the Company will do or cause to be done all
things necessary to preserve and keep in full force and effect the existence,
rights (charter and statutory) and franchises of the Company and its
Subsidiaries; provided, however, that the Company shall not be required to
preserve any right or franchise if the Board of Directors shall determine that
the preservation thereof is no longer desirable in the conduct of the business
of the Company and its Subsidiaries as a whole and that the loss thereof is not
disadvantageous in any material respect to the Holders of Securities of any
series.

         SECTION 1006.    Maintenance of Properties.

         The Company will cause all of its material properties used or useful in
the conduct of its business or the business of any Subsidiary to be maintained 
and kept in good condition, repair and working order and supplied with all
necessary equipment and will cause to be made all necessary repairs, renewals,
replacements, betterments and improvements thereof, all as in the judgment of
the Company may be necessary so that the business carried on in connection
therewith may be properly and advantageously conducted at all times; provided,
however, that nothing in this Section shall prevent the Company or any
Subsidiary from selling or otherwise disposing of its properties in the 
ordinary course of its business.

         SECTION 1007.    Insurance.

         The Company will, and will cause each of its Subsidiaries to, keep all
its insurable properties insured against loss or damage with commercially
reasonable amounts and types of insurance provided by insurers of recognized
responsibility.

         SECTION 1008.    Payment of Taxes and Other Claims.

         The Company will pay or discharge or cause to be paid or discharged, 
before the same shall become delinquent, (1) all taxes, assessments and
governmental charges levied or imposed upon it or any Subsidiary or upon the
income, profits or property of the Company or any Subsidiary, and (2) all
lawful claims for labor, materials and supplies which, if unpaid, might by law
become a lien


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<PAGE>   66

upon the property of the Company or any Subsidiary; provided, however, that the
Company shall not be required to pay or discharge or cause to be paid or
discharged any such tax, assessment, charge or claim whose amount,
applicability or validity is being contested in good faith by appropriate
proceedings.

         SECTION 1009.    Provision of Financial Information.

         Whether or not the Company is subject to Section 13 or 15(d) of the
Exchange Act, the Company will, to the extent permitted under the Exchange Act,
file with the Commission the annual reports, quarterly reports and other
documents which the Company would have been required to file with the
Commission pursuant to such Section 13 or 15(d) (the "Financial Statements") if
the Company were so subject, such documents to be filed with the Commission on
or prior to the respective dates (the "Required Filing Dates") by which the
Company would have been required so to file such documents if the Company were
so subject.

         The Company will also in any event (x) within 15 days of each
Required Filing Date file with the Trustee copies of annual reports, quarterly
reports and other documents which the Company would have been required to file
with the Commission pursuant to Section 13 or 15(d) of the Exchange Act if the
Company were subject to such Sections, and (y) if filing such documents by the
Company with the Commission is not permitted under the Exchange Act, promptly
upon written request and payment of the reasonable cost of duplication and
delivery, supply copies of such documents to any prospective Holder.

         SECTION 1010.    Statement as to Compliance.

         The Company will deliver to the Trustee within 120 days after the end
of each fiscal year, a brief certificate from the principal executive officer,
principal financial officer or principal accounting officer as to his or her
knowledge of the Company's compliance with all conditions and covenants under
this Indenture and, in the event of any noncompliance, specifying such
noncompliance and the nature and status thereof. For purposes of this Section
1010, such compliance shall be determined without regard to any period of grace
or requirement of notice under this Indenture.

         SECTION 1011.    Additional Amounts.

         If any Securities of a series provide for the payment of Additional
Amounts, the Company will pay to the Holder of any Security of such series or
any coupon appertaining thereto Additional Amounts as may be specified as
contemplated by Section 301. Whenever in this Indenture there is mentioned, in
any context except in the case of Section 502(1), the payment of the principal
of or any premium, Make-Whole Amount or interest on, or in respect of, any
Security of any series or payment of any related coupon or the net proceeds
received on the sale or exchange of any Security of any series, such mention
shall be deemed to include mention of the payment of Additional Amounts
provided by the terms of such series established pursuant to Section 301 to the
extent that, in such context, Additional Amounts are, were or would be payable
in respect thereof pursuant to such terms and express mention of the payment of
Additional Amounts (if applicable) in any provisions hereof shall not be
construed as excluding Additional Amounts in


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<PAGE>   67

those provisions hereof where such express mention is not made.

         Except as otherwise specified as contemplated by Section 301, if the
Securities of a series provide for the payment of Additional Amounts, at least
10 days prior to the first Interest Payment Date with respect to that series of
Securities (or if the Securities of that series will not bear interest prior to
Maturity, the first day on which a payment of principal and any premium is
made), and at least 10 days prior to each date of payment of principal and any
premium or Make-Whole Amount or interest if there has been any change with
respect to the matters set forth in the below-mentioned Officers' Certificate,
the Company will furnish the Trustee and the Company's principal Paying Agent
or Paying Agents, if other than the Trustee, with an Officers' Certificate
instructing the Trustee and such Paying Agent or Paying Agents whether such
payment of principal of and any premium or interest on the Securities of that
series shall be made to Holders of Securities of that series or any related
coupons who are not United States persons without withholding for or on account
of any tax, assessment or other governmental charge described in the Securities
of or within the series. If any such withholding shall be required, then such
Officers' Certificate shall specify by country the amount, if any, required to
be withheld on such payments to such Holders of Securities of that series or
related coupons and the Company will pay to the Trustee or such Paying Agent
the Additional Amounts, if any, required by the terms of such Securities. In
the event that the Trustee or any Paying Agent, as the case may be, shall not
so receive the above mentioned certificate, then the Trustee or such Paying
Agent shall be entitled (i) to assume that no such withholding or deduction is
required with respect to any payment of principal or interest with respect to
any Securities of a series or related coupons until it shall have received a
certificate advising otherwise and (ii) to make all payments of principal and
interest with respect to the Securities of a series or related coupons without
withholding or deductions until otherwise advised. The Company covenants to
indemnify the Trustee and any Paying Agent and their respective officers,
directors, employees and agents for, and to hold them harmless against, any
loss, liability or expense (including legal fees and expenses) reasonably
incurred without gross negligence or bad faith on their part arising out of or
in connection with actions taken or omitted by any of them in reliance on any
Officers' Certificate furnished pursuant to this Section or in reliance on the
Company's not furnishing such an Officers' Certificate.

         SECTION 1012.    Waiver of Certain Covenants.

         The Company may omit in any particular instance to comply with any
term, provision or condition set forth in Sections 1004 to 1009, inclusive, and
with any other term, provision or condition with respect to the Securities of
any series specified in accordance with Section 301 (except any such term,
provision or condition which could not be amended without the consent of all
Holders of Securities of such series pursuant to Section 902), if before or
after the time for such compliance the Holders of at least a majority in
principal amount of all outstanding Securities of such series, by Act of such
Holders, either waive such compliance in such instance or generally waive
compliance with such covenant or condition, but no such waiver shall extend to
or affect such covenant or condition except to the extent so expressly waived,
and, until such waiver shall become effective, the obligations of the Company
and the duties of the Trustee in respect of any such term, provision or
condition shall remain in full force and effect.

                                 ARTICLE ELEVEN

                            REDEMPTION OF SECURITIES


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<PAGE>   68

         SECTION 1101.    Applicability of Article.

         Securities of any series which are redeemable before their Stated
Maturity shall be redeemable in accordance with their terms and (except as
otherwise specified as contemplated by Section 301 for Securities of any
series) in accordance with this Article.

         SECTION 1102.    Election to Redeem; Notice to Trustee.

         The election of the Company to redeem any Securities shall be
evidenced by or pursuant to a Board Resolution.  In case of any redemption at
the election of the Company of less than all of the Securities of any series,
the Company shall, at least 45 days prior to the giving of the notice of
redemption in Section 1104 (unless a shorter notice shall be satisfactory to the
Trustee), notify the Trustee, in writing,  of such Redemption Date and of the
principal amount of Securities of such series to be redeemed. In the case of any
redemption of Securities prior to the expiration of any restriction on such
redemption provided in the terms of such Securities or elsewhere in this
Indenture, the Company shall furnish the Trustee with an Officers' Certificate
and Opinion of Counsel evidencing compliance with such restriction.

         SECTION 1103.    Selection by Trustee of Securities to Be Redeemed.

         If less than all the Securities of any series issued on the same day
with the same terms are to be redeemed, the particular Securities to be
redeemed shall be selected not more than 60 days prior to the Redemption Date
by the Trustee, from the Outstanding Securities of such series issued on such
date with the same terms not previously called for redemption, by such method
as the Trustee shall deem fair and appropriate and which may provide for the
selection for redemption of portions (equal to the minimum authorized
denomination for Securities of that series or any integral multiple thereof) of
the principal amount of Securities of such series of a denomination larger than
the minimum authorized denomination for Securities of that series.

         If any Security selected for partial redemption is converted in part
before termination of the conversion or exchange right with respect to the
portion of the Security so selected, the converted or exchange portion of such
Security shall be deemed (so far as may be) to be the portion selected for
redemption. Securities which have been converted or exchanged during a selection
of Securities to be deemed shall be treated by the Trustee as Outstanding for
the purposes of such selection. In any case where more than one Security is
registered in the same name, the Trustee in its discretion may treat the
aggregate principal amount so registered as if it were represented by one
Security.

         The Trustee shall promptly notify the Company and the Security
Registrar (if other than itself) in writing of the Securities selected for
redemption and, in the case of any Securities selected for partial redemption,
the principal amount thereof to be redeemed.

         For all purposes of this Indenture, unless the context otherwise
requires, all provisions relating to the redemption of Securities shall relate,
in the case of any Security redeemed or to be redeemed only in part, to the
portion of the principal amount of such Security which has been or is to be
redeemed.

         SECTION 1104.    Notice of Redemption.

         Notice of redemption shall be given in the manner provided in Section
106, not less than 30 days nor more than 60 days prior to the Redemption Date,
unless a shorter period is specified by the terms of such series established
pursuant to Section 301, to each Holder of Securities to be redeemed, but
failure to give such notice in the manner herein provided to the Holder of any
Security designated for redemption as a whole or in part, or any defect in the
notice to any such Holder, shall not affect the validity of the proceedings for
the redemption of any other such Security or portion thereof.

         Any notice that is mailed to the Holders of Registered


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<PAGE>   69

Securities in the manner herein provided shall be conclusively presumed to have
been duly given, whether or not the Holder receives the notice.

         All notices of redemption shall state:

         (1)     the Redemption Date;

         (2)     the Redemption Price, accrued interest to the Redemption Date
payable as provided in Section 1106, if any, and Additional Amounts, if any;

         (3)     if less than all Outstanding Securities of any series are to
be redeemed, the identification (and, in the case of partial redemption, the
principal amount) of the particular Security or Securities to be redeemed;

         (4)     in case any Security is to be redeemed in part only, that on
and after the Redemption Date, upon surrender of such Security, the holder will
receive, without a charge, a new Security or Securities of authorized
denominations for the principal amount thereof remaining unredeemed;

         (5)     that on the Redemption Date the Redemption Price and accrued
interest to the Redemption Date payable as provided in Section 1106, if any,
will become due and payable upon each such Security, or the portion thereof, to
be redeemed and, if applicable, that interest thereon shall cease to accrue on
and after said date;

         (6)     the Place or Places of Payment where such Securities, together
in the case of Bearer Securities with all coupons appertaining thereto, if any,
maturing after the Redemption Date, are to be surrendered for payment of the
Redemption Price and accrued interest, if any, or for conversion or exchange;

         (7)     that the redemption is for a sinking fund, if such is the case;

         (8)     that, unless otherwise specified in such notice, Bearer
Securities of any series, if any, surrendered for redemption must be
accompanied by all coupons maturing subsequent to the date fixed for redemption
or the amount of any such missing coupon or coupons will be deducted from the
Redemption Price, unless security or indemnity satisfactory to the Company, the
Trustee for such series and any Paying Agent is furnished;

         (9)     if Bearer Securities of any series are to be redeemed and any
Registered Securities of such series are not to be redeemed, and if such Bearer
Securities may be exchanged for Registered Securities not subject to the
redemption on this Redemption Date pursuant to Section 305 or otherwise, the
last date, as determined by the Company, on which such exchanges may be made;

         (10)    the CUSIP number of such Security, if any, provided that
neither the Company nor the Trustee shall have any responsibility for any such
CUSIP number; and

         (11)    if applicable, that a Holder of Securities who desires to
convert or exchange Securities to be redeemed must satisfy the requirements for
conversion or exchange contained in such Securities, the then existing
conversion or exchange price or rate and the date and time when the option to
convert or exchange shall expire and the place or places where such Securities
may be surrendered for conversion or exchange. 

         Notice of redemption of Securities to be redeemed shall be given by
the Company or, at the Company's written request, by the Trustee in


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the name and at the expense of the Company.

         SECTION 1105. Deposit of Redemption Price.

         On or prior to any Redemption Date, the Company shall deposit with the
Trustee or with a Paying Agent (or, if the Company is acting as its own Paying
Agent, which it may not do in the case of a sinking fund payment under Article
Twelve, segregate and hold in trust as provided in Section 1003) an amount of
money in the currency or currencies, currency unit or units or composite
currency or currencies in which the Securities of such series are payable
(except as otherwise specified pursuant to Section 301 for the Securities of
such series) sufficient to pay on the Redemption Date the Redemption Price of,
and (except if the Redemption Date shall be an Interest Payment Date) accrued
interest on, all the Securities or portions thereof which are to be redeemed on
that date.

         SECTION 1106. Securities Payable on Redemption Date.

         Notice of redemption having been given as aforesaid, the Securities so
to be redeemed shall, on the Redemption Date, become due and payable at the
Redemption Price therein specified in the currency or currencies, currency unit
or units or composite currency or currencies in which the Securities of such
series are payable (except as otherwise specified pursuant to Section 301 for
the Securities of such series) (together with accrued interest, if any, to the
Redemption Date), and from and after such date (unless the Company shall default
in the payment of the Redemption Price and accrued interest) such Securities
shall, if the same were interest-bearing, cease to bear interest and the coupons
for such interest appertaining to any Bearer Securities so to be redeemed,
except to the extent provided below, shall be void. Upon surrender of any such
Security for redemption in accordance with said notice, together with all
coupons, if any, appertaining thereto maturing after the Redemption Date, such
Security shall be paid by the Company at the Redemption Price, together with
accrued interest, if any, to the Redemption Date; provided, however, that
installments of interest on Bearer Securities whose Stated Maturity is on or
prior to the Redemption Date shall be payable only at an office or agency
located outside the United States (except as otherwise provided in Section 1002)
and, unless otherwise specified as contemplated by Section 301, only upon
presentation and surrender of coupons for such interest; and provided further
that except as otherwise provided with respect to Securities convertible or
exchangeable into other securities or property (including securities of other
issuers, provided that such securities are registered under Section 12 of the
Exchange Act and such issuer is then eligible to use Form S-3 (or any successor
form) for a primary offering of its securities) of the Company, installments of
interest on Registered Securities whose Stated Maturity is on or prior to the
Redemption Date shall be payable to the Holders of such securities, or one or
more Predecessor securities, registered as such at the close of business on the
relevant Record Dates according to their terms and the provisions of Section
307.

         If any Bearer Security surrendered for redemption shall not be
accompanied by all appurtenant coupons maturing after the Redemption Date, such
Security may be paid after deducting from the Redemption Price an amount equal
to the face amount of all such missing coupons, or the surrender of such
missing coupon or coupons may be waived by the Company and the Trustee if there
be furnished to them such security or indemnity as they may require to save
each of them and any Paying Agent harmless. If thereafter the Holder of such
Security shall surrender to the Trustee or any Paying Agent any such missing
coupon in respect of which a deduction shall have been made from the Redemption
Price, such Holder shall be entitled to receive the amount so deducted;
provided, however, that interest represented by coupons shall be payable only
at an office or agency located outside the United States (except as otherwise
provided in


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<PAGE>   71

Section 1002) and, unless otherwise specified as contemplated by Section 301,
only upon presentation and surrender of those coupons. If any Security called
for redemption shall not be so paid upon surrender thereof for redemption, the
principal, (and premium or Make-Whole Amount, if any) shall, until paid, bear
interest from the Redemption Date at the rate borne by the Security.

         SECTION 1107.    Securities Redeemed in Part.

         Any Security which is to be redeemed only in part (pursuant to the
provisions of this Article or of Article Twelve) shall be surrendered at a
Place of Payment therefor (with, if the Company or the Trustee so requires, due
endorsement by, or a written instrument of transfer in form satisfactory to the
Company and the Trustee duly executed by, the Holder thereof or his attorney
duly authorized in writing) and the Company shall execute and the Trustee shall
authenticate and deliver to the Holder of such Security without service charge
a new Security or Securities of the same series, of any authorized denomination
as requested by such Holder in aggregate principal amount equal to and in
exchange for the unredeemed portion of the principal of the Security so
surrendered.

                               ARTICLE TWELVE

                                SINKING FUNDS

         SECTION 1201.    Applicability of Article.

         The provisions of this Article shall be applicable to any sinking fund
for the retirement of Securities of a series except as otherwise specified as
contemplated by Section 301 for Securities of such series.

         The minimum amount of any sinking fund payment provided for by the
terms of Securities of any series is herein referred to as a "mandatory sinking
fund payment," and any payment in excess of such minimum amount provided for by
the terms of such Securities of any series is herein referred to as an
"optional sinking fund payment." If provided for by the terms of any Securities
of any series, the cash amount of any mandatory sinking fund payment may be
subject to reduction as provided in Section 1202. Each sinking fund payment
shall be applied to the redemption of Securities of any series as provided for
by the terms of Securities of such series.

         SECTION 1202.    Satisfaction of Sinking Fund Payments with Securities.

         The Company may, in satisfaction of all or any part of any mandatory
sinking fund payment with respect to the Securities of a series, (1) deliver
Outstanding Securities of such series (other than any previously called for
redemption) together in the case of any Bearer Securities of such series with
all unmatured coupons appertaining thereto and (2) apply as a credit Securities
of such series which have been redeemed either at the election of the Company
pursuant to the terms of such Securities or through the application of
permitted optional sinking fund payments pursuant to the terms of such
Securities, as provided for by the terms of such Securities, or which have
otherwise been acquired by the Company; provided that such Securities so
delivered or applied as a credit have not been previously so credited.  Such
Securities shall be received and credited for such purpose by the Trustee at
the applicable Redemption Price specified in such Securities for redemption
through operation of the sinking fund and the amount of such mandatory sinking
fund payment shall be reduced accordingly.


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<PAGE>   72


         SECTION 1203.    Redemption of Securities for Sinking Fund.

         Not less than 60 days prior to each sinking fund payment date for
Securities of any series, the Company will deliver to the Trustee an Officers'
Certificate specifying the amount of the next ensuing mandatory sinking fund
payment for that series pursuant to the terms of that series, the portion
thereof, if any, which is to be satisfied by payment of cash in the currency or
currencies, currency unit or units or composite currency or currencies in which
the Securities of such series are payable (except as otherwise specified
pursuant to Section 301 for the Securities of such series) and the portion
thereof, if any, which is to be satisfied by delivering and crediting
Securities of that series pursuant to Section 1202, and the optional amount, if
any, to be added in cash to the next ensuing mandatory sinking fund payment,
and will also deliver to the Trustee any Securities to be so delivered and
credited. If such Officers' Certificate shall specify an optional amount to be
added in cash to the next ensuing mandatory sinking fund payment, the Company
shall thereupon be obligated to pay the amount therein specified. Not less than
30 days before each such sinking fund payment date the Trustee shall select the
Securities to be redeemed upon such sinking fund payment date in the manner
specified in Section 1103 and cause notice of the redemption thereof to be
given in the name of and at the expense of the Company in the manner provided
in Section 1104. Such notice having been duly given, the redemption of such
Securities shall be made upon the terms and in the manner stated in Sections
1106 and 1107.

                              ARTICLE THIRTEEN

                     REPAYMENT AT THE OPTION OF HOLDERS

         SECTION 1301.    Applicability of Article.

         Repayment of Securities of any series before their Stated Maturity at
the option of Holders thereof shall be made in accordance with the terms of
such Securities, if any, and (except as otherwise specified by the terms of
such series established pursuant to Section 301) in accordance with this
Article.

         SECTION 1302.    Repayment of Securities.

         Securities of any series subject to repayment in whole or in part at
the option of the Holders thereof will, unless otherwise provided in the terms
of such Securities, be repaid at a price equal to the principal amount thereon,
together with interest, if any, thereof accrued to the Repayment Date specified
in or pursuant to the terms of such Securities. The Company covenants that on
or before the Repayment Date it will deposit with the Trustee or with a Paying
Agent (or, if the Company is acting as its own Paying Agent, segregate and hold
in trust as provided in Section 1003) an amount of money in the currency or
currencies, currency unit or units or composite currency or currencies in which
the Securities of such series are payable (except as otherwise specified
pursuant to Section 301 for the Securities of such series) sufficient to pay
the principal (or, if so provided by the terms of the Securities of any series,
a percentage of the principal) of, and (except if the Repayment Date shall be
an Interest Payment Date) accrued interest on, all the Securities or portions
thereof, as the case may be, to be repaid on such date.

         SECTION 1303.    Exercise of Option.

         Securities of any series subject to repayment at the option of the
Holders thereof will contain an "Option to Elect Repayment" form on the
reverse of such Securities. In order for any Security


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<PAGE>   73


to be repaid at the option of the Holder, the Trustee must receive at the Place
of Payment therefor specified in the terms of such Security (or at such other
place or places of which the Company shall from time to time notify the Holders
of such Securities) not earlier than 60 days nor later than 30 days prior to
the Repayment Date (1) the Security so providing for such repayment together
with the "Option to Elect Repayment" form on the reverse thereof duly
completed by the Holder (or by the Holder's attorney duly authorized in writing)
or (2) a telegram, telex, facsimile transmission or a letter from a member of a
national securities exchange, or the National Association of Securities
Dealers, Inc. ("NASD"), or a commercial bank or trust company in the United
States setting forth the name of the Holder of the Security, the principal
amount of the Security, the principal amount of the Security to be repaid, the
CUSIP number, if any, or a description of the tenor and terms of the Security,
a statement that the option to elect repayment is being exercised thereby and a
guarantee that the Security to be repaid, together with the duly completed form
entitled "Option to Elect Repayment" on the reverse of the Security, will be
received by the Trustee not later than the fifth Business Day after the date of
such telegram, telex, facsimile transmission or letter; provided, however, that
such telegram, telex, facsimile transmission or letter shall only be effective
if such Security and form duly completed are received by the Trustee by such
fifth Business Day. If less than the entire principal amount of such Security
is to be repaid in accordance with the terms of such Security, the principal
amount of such Security to be repaid, in increments of the minimum denomination
for Securities of such series, and the denomination or denominations of the
Security or Securities to be issued to the Holder for the portion of the
principal amount of such Security surrendered that is not to be repaid, must be
specified. The principal amount of any Security providing for repayment at the
option of the Holder thereof may not be repaid in part if, following such
repayment, the unpaid principal amount of such Security would be less than the
minimum authorized denomination of Securities of or within the series of which
such Security to be repaid is a part. Except as otherwise may be provided by
the terms of any Security providing for repayment at the option of the Holder
thereof, exercise of the repayment option by the Holder shall be irrevocable
unless waived by the Company.

         SECTION 1304.    When Securities Presented for Repayment
                          Become Due and Payable.

         If Securities of any series providing for repayment at the option of
the Holders thereof shall have been surrendered as provided in this Article and
as provided by or pursuant to the terms of such Securities, such Securities or
the portions thereof, as the case may be, to be repaid shall become due and
payable and shall be paid by the Company on the Repayment Date therein
specified, and on and after such Repayment Date (unless the Company shall
default in the payment of such Securities on such Repayment Date) such
Securities shall, if the same were interest bearing, cease to bear interest and
the coupons for such interest appertaining to any Bearer Securities so to be
repaid, except to the extent provided below, shall be void. Upon surrender of
any such Security for repayment in accordance with such provisions, together
with all coupons, if any, appertaining thereto maturing after the Repayment
Date, the principal amount of such security so to be repaid shall be paid by
the Company, together with accrued interest, if any, to the Repayment Date;
provided, however, that coupons whose Stated Maturity is on or prior to the
Repayment Date shall be payable only at an office or agency located outside the
United States (except as otherwise provided in Section 1002) and, unless
otherwise specified pursuant to Section 301, only upon presentation and
surrender of such coupons; and provided further


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<PAGE>   74


that, in the case of Registered Securities, installments of interest, if any,
whose Stated Maturity is on or prior to the Repayment Date shall be payable
(but without interest thereon, unless the Company shall default in the payment
thereof) to the Holders of such Securities, or one or more Predecessor
Securities, registered as such at the close of business on the relevant Record
Dates according to their terms and the provisions of Section 307.

         If any Bearer Security surrendered for repayment shall not be
accompanied by all appurtenant coupons maturing after the Repayment Date, such
Security may be paid after deducting from the amount payable therefor as
provided in Section 1302 an amount equal to the face amount of all such missing
coupons, or the surrender of such missing coupon or coupons may be waived by
the Company and the Trustee if there be furnished to them such security or
indemnity as they may require to save each of them and any Paying Agent
harmless. If thereafter the Holder of such Security shall surrender to the
Trustee or any Paying Agent any such missing coupon in respect of which a
deduction shall have been made as provided in the preceding sentence, such
Holder shall be entitled to receive the amount so deducted; provided, however,
that interest represented by coupons shall be payable only at an office or
agency located outside the United States (except as otherwise provided in
Section 1002) and, unless otherwise specified as contemplated by Section 301,
only upon presentation and surrender of those coupons. If the principal amount
of any Security surrendered for repayment shall not be so repaid upon surrender
thereof, such principal amount (together with interest, if any, thereon accrued
to such Repayment Date) shall, until paid, bear interest from the Repayment
Date at the rate of interest or Yield to Maturity (in the case of Original
Issue Discount Securities) set forth in such Security.

         SECTION 1305.    Securities Repaid in Part.

         Upon surrender of any Registered Security which is to be repaid in
part only, the Company shall execute and the Trustee shall authenticate and
deliver to the Holder of such Security, without service charge and at the
expense of the Company, a new Registered Security or Securities of the same
series, of any authorized denomination specified by the Holder, in an aggregate
principal amount equal to and in exchange for the portion of the principal of
such Security so surrendered which is not to be repaid.

                              ARTICLE FOURTEEN

                     DEFEASANCE AND COVENANT DEFEASANCE

         SECTION 1401.     Applicability of Article; Company's Option to
                           Effect Defeasance or Covenant Defeasance.

         If, pursuant to Section 301, provision is made for either or both of
(a) defeasance of the Securities of or within a series under Section 1402 or
(b) covenant defeasance of the Securities of or within a series under Section
1403 to be applicable to the Securities of any series, then the provisions of
such Section or Sections, as the case may be, together with the other
provisions of this Article (with such modifications thereto as may be specified
pursuant to Section 301 with respect to any Securities), shall be applicable to
such Securities and any coupons appertaining thereto, and the Company may at
its option by Board Resolution at any time, with respect to such Securities and
any coupons appertaining thereto, elect to defease such Outstanding Securities
and any coupons appertaining thereto pursuant to Section 1402 (if applicable)
or Section 1403 (if applicable) upon compliance with the conditions set forth
below in this Article.


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<PAGE>   75


         SECTION 1402.    Defeasance and Discharge.

         Upon the Company's exercise of the above option applicable to this
Section with respect to any Securities of or within a series, the Company shall
be deemed to have been discharged from its obligations with respect to such
Outstanding Securities and any coupons appertaining thereto on the date the
conditions set forth in Section 1404 are satisfied (hereinafter, "defeasance").
For this purpose, such defeasance means that the Company shall be deemed to
have paid and discharged the entire indebtedness represented by such
Outstanding Securities and any coupons appertaining thereto, which shall
thereafter be deemed to be "Outstanding" only for the purposes of Section 1405
and the other Sections of this Indenture referred to in clauses (A) and (B)
below, and to have satisfied all of its other obligations under such Securities
and any coupons appertaining thereto and this Indenture insofar as such
Securities and any coupons appertaining thereto are concerned (and the Trustee,
at the expense of the Company, shall execute proper instruments acknowledging
the same), except for the following which shall survive until otherwise
terminated or discharged hereunder: (A) the rights of Holders of such
Outstanding Securities and any coupons appertaining thereto to receive, solely
from the trust fund described in Section 1404 and as more fully set forth in
such Section, payments in respect of the principal of (and premium or
Make-Whole Amount, if any) and interest, if any, on such Securities and any
coupons appertaining thereto when such payments are due, (B) the Company's
obligations with respect to such Securities under Sections 305, 306, 1002 and
1003 and with respect to the payment of Additional Amounts, if any, on such
Securities as contemplated by Section 1011, (C) the rights, powers, trusts,
duties and immunities of the Trustee hereunder and (D) this Article.  Subject
to compliance with this Article Fourteen, the Company may exercise its option
under this Section notwithstanding the prior exercise of its option under
Section 1403 with respect to such Securities and any coupons appertaining
thereto.

         SECTION 1403.    Covenant Defeasance.

        Upon the Company's exercise of the above option applicable to this
Section with respect to any Securities of or within a series, the Company shall
be released from its obligations under Sections 1005 to 1009, inclusive, and,
if specified pursuant to Section 301, its obligations under any other covenant,
with respect to such Outstanding Securities and any coupons appertaining
thereto on and after the date the conditions set forth in Section 1404 are
satisfied (hereinafter, "covenant defeasance"), and such Securities and any
coupons appertaining thereto shall thereafter be deemed to be not "Outstanding"
for the purposes of any direction, waiver, consent or declaration or Act of
Holders (and the consequences of any thereof) in connection with Sections 1005
to 1009, inclusive, or such other covenant, but shall continue to be deemed
"Outstanding" for all other purposes hereunder.  For this purpose, such
covenant defeasance means that, with respect to such Outstanding Securities and
any coupons appertaining thereto, the Company may omit to comply with and shall
have no liability in respect of any term, condition or limitation set forth in
any such Section or such other covenant, whether directly or indirectly, by
reason of any reference elsewhere herein to any such Section or such other
covenant or by reason of reference in any such Section or such other covenant 
to any other provision herein or in any other document and such omission to 
comply shall not constitute a default or an Event of Default under Section 
501(4) or 501(8) or otherwise, as the case may be, but, except as specified 
above, the remainder of this Indenture and such Securities and any coupons 
appertaining thereto shall be unaffected thereby.


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<PAGE>   76


         SECTION 1404.    Conditions to Defeasance or Covenant Defeasance.

         The following shall be the conditions to application of Section 1402 or
Section 1403 to any Outstanding Securities of or within a series and any
coupons appertaining thereto:

         (a)     The Company shall irrevocably have deposited or caused to be
deposited with the Trustee (or another trustee satisfying the requirements of
Section 607 who shall agree to comply with the provisions of this Article
Fourteen applicable to it) as trust funds in trust for the purpose of making
the following payments, specifically pledged as security for, and dedicated
solely to, the benefit of the Holders of such Securities and any coupons
appertaining thereto, (1) an amount in such currency, currencies or currency
unit in which such Securities and any coupons appertaining thereto are then
specified as payable at Stated Maturity, or (2) Government Obligations
applicable to such Securities and coupons appertaining thereto (determined on
the basis of the currency, currencies or currency unit in which such Securities
and coupons appertaining thereto are then specified as payable at Stated
Maturity) which through the scheduled payment of principal and interest in
respect thereof in accordance with their terms will provide, not later than one
day before the due date of any payment of principal of (and premium or
Make-Whole Amount, if any) and interest, if any, on such Securities and any
coupons appertaining thereto, money in an amount, or (3) a combination thereof
in an amount, sufficient, without consideration of any reinvestment of such
principal and interest, in the opinion of a nationally recognized firm of
independent public accountants expressed in a written certification thereof
delivered to the Trustee, to pay and discharge, and which shall be applied by
the Trustee (or other qualifying trustee) to pay and discharge, (i) the
principal of (and premium or Make-Whole Amount, if any) and interest, if any,
on such Outstanding Securities and any coupons appertaining thereto on the
Stated Maturity of such principal or installment of principal or interest and
(ii) any mandatory sinking fund payments or analogous payments applicable to
such Outstanding Securities and any coupons appertaining thereto on the day on
which such payments are due and payable in accordance with the terms of this
Indenture and of such Securities and any coupons appertaining thereto;
provided, that the Trustee shall have been irrevocably instructed to apply such
money or the proceeds of such Government Obligations to said payments with
respect to such Securities.  Before such a deposit, the Company may give to the
Trustee, in accordance with Section 1102 hereof, a notice of its election to
redeem all or any portion of such Outstanding Securities at a future date in
accordance with the terms of the Securities of such series and Article Eleven
hereof, which notice shall be irrevocable.  Such irrevocable redemption notice,
if given, shall be given effect in applying the foregoing.

         (b)     Such defeasance or covenant defeasance shall not result in a
breach or violation of, or constitute a default under, this Indenture or any
other material agreement or instrument to which the Company is a party or by
which it is bound (and shall not cause the Trustee to have a conflicting
interest pursuant to Section 310(b) of the TIA with respect to any Security of
the Company).

         (c)     No Event of Default or event which with notice or lapse of
time or both would become an Event of Default with respect to such Securities
and any coupons appertaining thereto shall have occurred and be continuing on
the date of such deposit or, insofar as Sections 501(6) and 501(7) are
concerned, at any time during the period ending on the 91st day after the date
of such deposit (it being understood that this condition shall not be deemed
satisfied


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<PAGE>   77

until the expiration of such period).

         (d)     In the case of an election under Section 1402, the Company
shall have delivered to the Trustee an Opinion of Counsel stating that (i) the
Company has received from, or there has been published by, the Internal Revenue
Service a ruling, or (ii) since the date of execution of this Indenture, there
has been a change in the applicable Federal income tax law, in either case to
the effect that, and based thereon such opinion shall confirm that, the Holders
of such Outstanding Securities and any coupons appertaining thereto will not
recognize income, gain or loss for Federal income tax purposes as a result of
such defeasance and will be subject to Federal income tax on the same amounts,
in the same manner and at the same times as would have been the case if such
defeasance had not occurred.

         (e)     In the case of an election under Section 1403, the Company
shall have delivered to the Trustee an Opinion of Counsel to the effect that
the Holders of such Outstanding Securities and any coupons appertaining thereto
will not recognize income, gain or loss for Federal income tax purposes as a
result of such covenant defeasance and will be subject to Federal income tax on
the same amounts, in the same manner and at the same times as would have been
the case if such covenant defeasance had not occurred.

         (f)     The Company shall have delivered to the Trustee an Officers'
Certificate and an Opinion  of Counsel, each stating that all conditions
precedent to the defeasance under Section 1402 or the covenant defeasance under
Section 1403 (as the case may be) have been complied with and an Opinion of
Counsel to the effect that either (i) as a result of a deposit pursuant to
subsection (a) above and the related exercise of the Company's option under
Section 1402 or Section 1403 (as the case may be) registration is not required
under the Investment Company Act of 1940, as amended, by the Company, with
respect to the trust funds representing such deposit or by the Trustee for such
trust funds or (ii) all necessary registrations under said Act have been
effected.

         (g)     After the 91st day following the deposit, the trust funds will
not be subject to the effect of any applicable bankruptcy, insolvency,
reorganization or similar laws affecting creditors' rights generally.

         (h)     Notwithstanding any other provisions of this Section, such
defeasance or covenant defeasance shall be effected in compliance with any
additional or substitute terms, conditions or limitations which may be imposed
on the Company in connection therewith pursuant to Section 301.

         SECTION 1405.    Deposited Money and Government Obligations to Be Held
                          in Trust; Other Miscellaneous Provisions.

         Subject to the provisions of the last paragraph of Section 1003, all
money and Government Obligations (or other property as may be provided pursuant
to Section 301) (including the proceeds thereof) deposited with the Trustee (or
other qualifying trustee, collectively for purposes of this Section 1405, the
"Trustee") pursuant to Section 1404 in respect of any Outstanding Securities of
any series and any coupons appertaining thereto shall be held in trust and
applied by the Trustee, in accordance with the provisions of such Securities
and any coupons appertaining thereto and this Indenture, to the payment, either
directly or through any Paying Agent (including the Company acting as its own
Paying Agent) as the Trustee may determine, to the Holders of such Securities
and any coupons appertaining thereto of all sums due and to become due


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<PAGE>   78

thereon in respect of principal (and premium or Make-Whole Amount, if any) and
interest and Additional Amounts, if any, but such money need not be segregated
from other funds except to the extent required by law.

         Unless otherwise specified with respect to any Security pursuant to
Section 301, if, after a deposit referred to in Section 1404(a) has been made,
(a) the Holder of a Security in respect of which such deposit was made is
entitled to, and does, elect pursuant to Section 301 or the terms of such
Security to receive payment in a currency or currency unit other than that in
which the deposit pursuant to Section 1404(a) has been made in respect of such
Security, or (b) a Conversion Event occurs in respect of the currency or
currency unit in which the deposit pursuant to Section 1404(a) has been made,
the indebtedness represented by such Security and any coupons appertaining
thereto shall be deemed to have been, and will be, fully discharged and
satisfied through the payment of the principal of (and premium or Make-Whole
Amount, if any), and interest, if any, on such Security as the same becomes due
out of the proceeds yielded by converting (from time to time as specified below
in the case of any such election) the amount or other property deposited in
respect of such Security into the currency or currency unit in which such
Security becomes payable as a result of such election or Conversion Event based
on the applicable market exchange rate for such currency or currency unit in
effect on the second Business Day prior to each payment date, except, with
respect to a Conversion Event, for such currency or currency unit in effect (as
nearly as feasible) at the time of the Conversion Event.

         The Company shall pay and indemnify the Trustee against any tax, fee
or other charge imposed on or assessed against the Government Obligations
deposited pursuant to Section 1404 or the principal and interest received in
respect thereof other than any such tax, fee or other charge which by law is
for the account of the Holders of such Outstanding Securities and any coupons
appertaining thereto.

         Anything in this Article to the contrary notwithstanding, the Trustee
shall deliver or pay to the Company from time to time upon Company Request any
money or Government Obligations (or other property and any proceeds therefrom)
held by it as provided in Section 1404 which, in the opinion of a nationally
recognized firm of independent public accountants expressed in a written
certification thereof delivered to the Trustee, are in excess of the amount
thereof which would then be required to be deposited to effect a defeasance or
covenant defeasance, as applicable, in accordance with this Article.

                               ARTICLE FIFTEEN

                      MEETINGS OF HOLDERS OF SECURITIES

         SECTION 1501.    Purposes for Which Meetings May Be Called.

         A meeting of Holders of Securities of any series may be called at any
time and from time to time pursuant to this Article to make, give or take any
request, demand, authorization, direction, notice, consent, waiver or other
action provided by this Indenture to be made, given or taken by Holders of
Securities of such series.

         SECTION 1502.    Call, Notice and Place of Meetings.

         (a)     The Trustee may at any time call a meeting of Holders of
Securities of any series for any purpose specified in Section 1501, to be held
at such time and at such place in the City of Atlanta, Georgia or the Borough of


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Manhattan, The City of New York, or in London as the Trustee shall determine.
Notice of every meeting of Holders of Securities of any series, setting forth
the time and the place of such meeting and in general terms the action proposed
to be taken at such meeting, shall be given, in the manner provided in Section
106, not less than 21 nor more than 180 days prior to the date fixed for the
meeting.

         (b)     In case at any time the Company, pursuant to a Board
Resolution, or the Holders of at least 10% in principal amount of the
Outstanding Securities of any series shall have requested the Trustee to call a
meeting of the Holders of Securities of such series for any purpose specified
in Section 1501, by written request setting forth in reasonable detail the
action proposed to be taken at the meeting, and the Trustee shall not have made
the first publication of the notice of such meeting within 21 days after
receipt of such request or shall not thereafter proceed to cause the meeting to
be held as provided herein, then the Company or the Holders of Securities of
such series in the amount above specified, as the case may be, may determine the
time and the place in the City of Atlanta, Georgia or the Borough of Manhattan, 
The City of New York, or in London for such meeting and may call such meeting
for such purposes by giving notice thereof as provided in subsection (a) of
this Section.

         SECTION 1503.    Persons Entitled to Vote at Meetings.

         To be entitled to vote at any meeting of Holders of Securities of any
series, a Person shall be (1) a Holder of one or more Outstanding Securities of
such series, or (2) a Person appointed by an instrument in writing as proxy for
a Holder or Holders of one or more Outstanding Securities of such series by
such Holder or Holders.  The only Persons who shall be entitled to be present
or to speak at any meeting of Holders of Securities of any series shall be the
Persons entitled to vote at such meeting and their counsel, any representatives
of the Trustee and its counsel and any representatives of the Company and its
counsel.

         SECTION 1504.    Quorum; Action.

         The Persons entitled to vote a majority in principal amount of the
Outstanding Securities of a series shall constitute a quorum for a meeting of
Holders of Securities of such series; provided, however, that if any action is
to be taken at such meeting with respect to a consent or waiver which this
Indenture expressly provides may be given by the Holders of not less than a
specified percentage in principal amount of the Outstanding Securities of a
series, the Persons entitled to vote such specified percentage in principal
amount of the Outstanding Securities of such series shall constitute a quorum.
In the absence of a quorum within 30 minutes after the time appointed for any
such meeting, the meeting shall, if convened at the request of Holders of
Securities of such series, be dissolved.  In any other case the meeting may be
adjourned for a period of not less than 10 days as determined by the chairman
of the meeting prior to the adjournment of such meeting.  In the absence of a
quorum at any such adjourned meeting, such adjourned meeting may be further
adjourned for a period of not less than 10 days as determined by the chairman
of the meeting prior to the adjournment of such adjourned meeting.  Notice of
the reconvening of any adjourned meeting shall be given as provided in Section
1502(a), except that such notice need be given only once not less than five (5)
days prior to the date on which the meeting is scheduled to be reconvened.
Notice of the reconvening of any adjourned meeting shall state expressly the
percentage, as provided above, of the principal amount of the Outstanding
Securities of such series which shall constitute a quorum.  Except as limited
by the proviso to Section 902, any resolution presented to a meeting
   

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<PAGE>   80


or adjourned meeting duly reconvened at which a quorum is present as
aforesaid may be adopted by the affirmative vote of the Holders of a majority
in principal amount of the Outstanding Securities of that series; provided,
however, that, except as limited by the proviso to Section 902, any resolution
with respect to any request, demand, authorization, direction, notice, consent,
waiver or other action which this Indenture expressly provides may be made,
given or taken by the Holders of a specified percentage, which is less than a
majority, in principal amount of the Outstanding Securities of a series may be
adopted at a meeting or an adjourned meeting duly reconvened and at which a
quorum is present as aforesaid by the affirmative vote of the Holders of such
specified percentage in principal amount of the Outstanding Securities of that
series.

         Any resolution passed or decision taken at any meeting of Holders of
Securities of any series duly held in accordance with this Section shall be
binding on all the Holders of Securities of such series and the related
coupons, whether or not present or represented at the meeting.

         Notwithstanding the foregoing provisions of this Section 1504, if any
action is to be taken at a meeting of Holders of Securities of any series with
respect to any request, demand, authorization, direction, notice, consent,
waiver or other action that this Indenture expressly provides may be made,
given or taken by the Holders of a specified percentage in principal amount of
all Outstanding Securities affected thereby, or of the Holders of such series
and one or more additional series:

         (i)     there shall be no minimum quorum requirement for such meeting;
                 and

         (ii)    the principal amount of the Outstanding Securities of such
                 series that vote in favor of such request, demand,
                 authorization, direction, notice, consent, waiver or other
                 action shall be taken into account in determining whether such
                 request, demand, authorization, direction, notice, consent,
                 waiver or other action has been made, given or taken under
                 this Indenture.

         SECTION 1505.    Determination of Voting Rights; Conduct and
                          Adjournment of Meetings.

         (a)     Notwithstanding any provisions of this Indenture, the Trustee
may make such reasonable regulations as it may deem advisable for any meeting
of Holders of Securities of a series in regard to proof of the holding of
Securities of such series and of the appointment of proxies and in regard to
the appointment and duties of inspectors of votes, the submission and
examination of proxies, certificates and other evidence of the right to vote,
and such other matters concerning the conduct of the meeting as it shall deem
appropriate.  Except as otherwise permitted or required by any such
regulations, the holding of Securities shall be proved in the manner specified
in Section 104 and the appointment of any proxy shall be proved in the manner
specified in Section 104 or by having the signature of the Person executing the
proxy witnessed or guaranteed by any trust company, bank or banker authorized
by Section 104 to certify to the holding of Bearer Securities.  Such
regulations may provide that written instruments appointing proxies, regular on
their face, may be presumed valid and genuine without the proof specified in
Section 104 or other proof.

         (b)     The Trustee shall, by an instrument in writing, appoint a
temporary chairman of the meeting, unless the meeting shall have been called by
the Company or by Holders of Securities as provided in Section 1502(b), in
which case the Company or the Holders of


                                      73

<PAGE>   81

Securities of or within the series calling the meeting, as the case
may be, shall in like manner appoint a temporary chairman.  A permanent
chairman and a permanent secretary of the meeting shall be elected by vote of
the Persons entitled to vote a majority in principal amount of the Outstanding
Securities of such series represented at the meeting.

         (c)     At any meeting each Holder of a Security of such series or
proxy shall be entitled to one vote for each $1,000 principal amount of the
Outstanding Securities of such series held or represented by him; provided,
however, that no vote shall be cast or counted at any meeting in respect of any
Security challenged as not Outstanding and ruled by the chairman of the meeting
to be not Outstanding.  The chairman of the meeting shall have no right to
vote, except as a Holder of a Security of such series or proxy.

         (d)     Any meeting of Holders of Securities of any series duly called
pursuant to Section 1502 at which a quorum is present may be adjourned from
time to time by Persons entitled to vote a majority in principal amount of the
Outstanding Securities of such series represented at the meeting, and the
meeting may be held as so adjourned without further notice.

         SECTION 1506.    Counting Votes and Recording Action of Meetings.

         The vote upon any resolution submitted to any meeting of Holders of
Securities of any series shall be by written ballots on which shall be 
subscribed the signatures of the Holders of Securities of such series or of 
their representatives by proxy and the principal amounts and serial numbers of
the Outstanding Securities of such series held or represented by them.  The
permanent chairman of the meeting shall appoint two inspectors of votes who
shall count all votes cast at the meeting for or against any resolution and who
shall make and file with the secretary of the meeting their verified written
reports in duplicate of all votes cast at the meeting.  A record, at least in
duplicate, of the proceedings of each meeting of Holders of Securities of any
series shall be prepared by the secretary of the meeting and there shall be
attached to said record the original reports of the inspectors of votes on any
vote by ballot taken thereat and affidavits by one or more persons having
knowledge of the fact, setting forth a copy of the notice of the meeting and
showing that said notice was given as provided in Section 1502 and, if
applicable, Section 1504.  Each copy shall be signed and verified by the
affidavits of the permanent chairman and secretary of the meeting and one such
copy shall be delivered to the Company and another to the Trustee to be
preserved by the Trustee, the latter to have attached thereto the ballots voted
at the meeting.  Any record so signed and verified shall be conclusive evidence
of the matters therein stated.

         SECTION 1507.    Evidence of Action Taken by Holders.

         Any request, demand, authorization, direction, notice, consent, waiver
or other action provided by this Indenture to be given or taken by a specified
percentage in principal amount of the Holders of any or all series may be
embodied in and evidenced by one or more instruments of substantially similar
tenor signed by such specified percentage of Holders in person or by agent duly
appointed in writing; and, except as herein otherwise expressly provided, such
action shall become effective when such instrument or instruments are delivered
to the Trustee.  Proof of execution of any instrument or of a writing
appointing any such agent shall be sufficient for any purpose of this Indenture
and (subject to Article Six) conclusive in favor of the Trustee and the
Company, if made in the manner provided in this Article.


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         SECTION 1508.    Proof of Execution of Instruments.

         Subject to Article Six, the execution of any instrument by a Holder or
his agent or proxy may be proved in accordance with such reasonable rules and
regulations as may be prescribed by the Trustee or in such manner as shall be
satisfactory to the Trustee.


                                ARTICLE SIXTEEN
                              
CONVERSION OR EXCHANGE OF SECURITIES

         SECTION 1601.  Applicability of Article.

         The provisions of this Article shall be applicable to the Securities of
any series which are convertible or exchangeable for other securities or
property (including securities of other issuers, provided that such securities
are registered under Section 12 of the Exchange Act and such issuer is then
eligible to use Form S-3 (or any successor form) for a primary offering of its
securities) of the Company, except as otherwise specified as contemplated by
Section 301 for the Securities of such series.

         SECTION 1602.  Election to Exchange; Notice to Trustee and Holders.

         The election of the Company to exchange any Securities shall be
evidenced by a Board Resolution or in another manner specified as contemplated
by Section 301 for such Securities. On or prior to the seventh Business Day
prior to Maturity of the Securities, the Company shall provide written notice to
the Holders of record of the Securities and to the Trustee and will publish a
notice in an Authorized Newspaper stating whether the Company has made such
election.

         SECTION 1603.  No Fractional Shares.

         No fractional shares or fractional securities shall be delivered upon
exchanges of Securities of any series. If more than one Security shall be
surrendered for exchange at one time by the same Holder, the number of full
shares or units which shall be delivered upon exchange shall be computed on the
basis of the aggregate principal amount of the Securities (or specified portions
thereof to the extent permitted hereby) so surrendered. If, except for the
provisions of this Section 1603, any Holder of a Security or Securities would be
entitled to a fractional share or unit of a security upon the exchange of such
Security or Securities, or specified portions thereof, the Company shall pay to
such Holder an amount in cash equal to the current market value of such
fractional share computed on the basis of the Closing Price of such security on
the date preceding the date on which the conversion or exchange shall be
effected in accordance with Section 1610. The "Closing Price" of any security on
any date of determination means, (i) if such security is listed or admitted to
unlisted trading privileges on a national securities exchange, the last reported
sales price on the composite tape on such exchange, or (ii) if such security is
not at the time so listed or admitted to unlisted trading privileges on a
national securities exchange, the average of the bid and asked prices of such
security in the over-the-counter market, as reported by Nasdaq or the National
Quotation Bureau, Incorporated or similar organization if neither Nasdaq nor the
National Quotation Bureau, Incorporated is no longer reporting such information,
or if not so available, the market price as determined by a nationally
recognized investment banking firm retained for this purpose by the Company.

         SECTION 1604.  Adjustment of Exchange Rate.

         The exchange rate of Securities of any series that is exchangeable for
other securities or property (including securities of other issuers, provided
that such securities are registered under Section 12 of the Exchange Act and
such issuer is then eligible to use Form S-3 (or any successor form) for a
primary offering of its securities) shall be adjusted for any stock dividends,
stock splits, reclassification, combinations or similar transactions or any
consolidation, merger or other reorganization event in accordance with the terms
of the supplemental indenture or Board Resolution setting forth the terms of the
Securities of such series.

         Whenever the exchange rate is adjusted, the Company shall compute the
adjusted exchange rate in accordance with terms of the applicable Board
Resolution or supplemental indenture and shall prepare an Officers' Certificate
setting forth the adjusted exchange rate and showing in reasonable detail the
facts upon which such adjustment is based, and such certificate shall forthwith
be filed at each office or agency maintained for the purpose of exchange of
Securities pursuant to Section 1002 and, if different, with the Trustee. The
Company shall forthwith cause a notice setting forth the adjusted exchange rate
to be mailed, first class postage prepaid, to each Holder of Securities of such
series at its address appearing on the Security Register and to any exchange
agent other than the Trustee.

         SECTION 1605.  Payment of Certain Taxes Upon Exchange.

         The Company will pay any and all taxes that may be payable in respect
of the transfer and delivery of shares of other securities or property
(including securities of other issuers, provided that such securities are
registered under Section 12 of the Exchange Act and such issuer is then eligible
to use Form S-3 (or any successor form) for a primary offering of its
securities) of the Company on exchange of Securities pursuant hereto. The
Company shall not, however, be required to pay any tax which may be payable in
respect of any transfer involved in the delivery of shares of securities in a
name other than that of the Holder of the Security or Securities to be
exchanged, and no such transfer or delivery shall be made unless and until the
person requesting such transfer has paid to the Company the amount of any such
tax, or has established, to the satisfaction of the Company, that such tax has
been paid.

         SECTION 1606.  Shares Free and Clear.

         The Company hereby warrants that upon exchange of Securities of any
series, the Holder of a Security shall receive all rights held by the Company in
such security for which such Security is at such time exchangeable under this
Article Sixteen, free and clear of any and all liens, claims, charges and
encumbrances other than any liens, claims, charges and encumbrances which may
have been placed on any such security by the prior owner thereof, prior to the
time such security was acquired by the Company. Except as provided in Section
1604, the Company will pay all taxes and charges with respect to the delivery of
such security delivered in exchange for Securities hereunder.

         SECTION 1607.  Cancellation of Security.

         Upon receipt by the Trustee of Securities of any series delivered to it
for exchange under this Article Sixteen, the Trustee shall cancel and dispose of
the same as provided in Section 309.

         SECTION 1608.  Duties of Trustee Regarding Exchange.

         Neither the Trustee nor any exchange agent shall at any time be under
any duty or responsibility to any Holder of Securities of any series that is
exchangeable into other securities or property (including securities of other
issuers, provided that such securities are registered under Section 12 of the
Exchange Act and such issuer is then eligible to use Form S-3 (or any successor
form) for a primary offering of its securities) of the Company to determine
whether any facts exist which may require any adjustment of the exchange rate,
or with respect to the nature or extent of any such adjustment when made, or
with respect to the method employed, whether herein or in any supplemental
indenture, any resolutions of the Board of Directors or written instrument
executed by one or more officers of the Company provided to be employed in
making the same. Neither the Trustee nor any exchange agent shall be accountable
with respect to the validity or value (or the kind or amount) of any securities
or property (including securities of other issuers, provided that such
securities are registered under Section 12 of the Exchange Act and such issuer
is then eligible to use Form S-3 (or any successor form) for a primary offering
of its securities) of the Company, or of any Securities and neither the Trustee
nor any exchange agent makes any representation with respect thereto. Subject to
the provisions of Section 612, neither the Trustee nor any exchange agent shall
be responsible for any failure of the Company to issue, transfer or deliver any
stock certificates or other securities or property (including securities of
other issuers, provided that such securities are registered under Section 12 of
the Exchange Act and such issuer is then eligible to use Form S-3 (or any
successor form) for a primary offering of its securities) upon the surrender of
any Security for the purpose of exchange or to comply with any of the covenants
of the Company contained in this Article Sixteen or in the applicable
supplemental indenture, resolutions of the Board of Directors or written
instrument executed by one or more duly authorized officers of the Company.

         SECTION 1609.  Repayment of Certain Funds Upon Exchange.

         Any funds which at any time shall have been deposited by the Company or
on its behalf with the Trustee or any other paying agent for the purpose of
paying the principal of, and premium, if any, and interest, if any, on any of
the Securities (including funds deposited for the sinking fund referred to in
Article Twelve hereof) and which shall not be required for such purposes because
of the exchange of such Securities as provided in this Article Sixteen shall
after such exchange be repaid to the Company by the Trustee upon the Company's
written request.

         SECTION 1610.  Exercise of Conversion or Exchange Privilege.

         In order to exercise a conversion or exchange privilege, the Holder of
a Security of a series with such a privilege shall surrender such Security to
the Company at the office or agency maintained for that purpose pursuant to
Section 1002, accompanied by written notice to the Company that the Holder
elects to convert or exchange such Security or a specified portion thereof. Such
notice shall also state, if different from the name or names (with address) in
which the Securities are registered, the name or names in which the Securities
or property (including securities of other issuers, provided that such
securities are registered under Section 12 of the Exchange Act and such issuer
is then eligible to use Form S-3 (or any successor form) for a primary offering
of its securities) of the Company which shall be issuable on such conversion or
exchange shall be issued. Securities surrendered for conversion or exchange
shall (if so required by the Company or the Trustee) be duly endorsed by or
accompanied by instruments of transfer in forms satisfactory to the Company and
the Trustee duly executed by the registered Holder or its attorney duly
authorized in writing; and Securities so surrendered for conversion or exchange
during the period from the close of business on any Regular Record Date to the
opening of business on the next succeeding Interest Payment Date (excluding
Securities or portions thereof called for redemption during such period) shall
also be accompanied by payment in funds acceptable to the Company of an amount
equal to the interest payable on such Interest Payment Date on the principal
amount of such Security then being converted, and such interest shall be payable
to such registered Holder notwithstanding the conversion or exchange of such
Security, subject to the provisions of Section 307 relating to the payment of
Defaulted Interest by the Company. As promptly as practicable after the receipt
of such notice and of any payment required pursuant to a Board Resolution and,
subject to Section 303, set forth, or determined in the manner provided, in an
Officers' Certificate, or established in one or more indentures supplemental
hereto setting forth the terms of such series of Security, and the surrender of
such Security in accordance with such reasonable regulations as the Company may
prescribe, the Company shall issue and shall deliver, at the office or agency at
which such Security is surrendered, to such Holder or on its written order,
securities or property (including securities of other issuers, provided that
such securities are registered under Section 12 of the Exchange Act and such
issuer is then eligible to use Form S-3 (or any successor form) for a primary
offering of its securities) of the Company issuable or deliverable upon the
conversion or exchange of such Security (or specified portion thereof), in
accordance with the provisions of such Board Resolution, Officers' Certificate
or supplemental indenture, and cash as provided therein in respect of any
fractional share otherwise issuable upon such conversion or exchange. Such
conversion or exchange shall be deemed to have been effected immediately prior
to the close of business on the date on which such notice and such payment, if
required, shall have been received in proper order for conversion or exchange by
the Company and such Security shall have been surrendered as aforesaid (unless
such Holder shall have so surrendered such Security and shall have instructed
the Company to effect the conversion or exchange on a particular date following
such surrender and such Holder shall be entitled to convert or exchange such
Security on such date, in which case such conversion or exchange shall be deemed
to be effected immediately prior to the close of business on such date) and at
such time the rights of the Holder of such Security as such Security Holder
shall cease and the person or persons in whose name or names any securities or
property (including securities of other issuers, provided that such securities
are registered under Section 12 of the Exchange Act and such issuer is then
eligible to use Form S-3 (or any successor form) for a primary offering of its
securities) of the Company shall be issuable or deliverable upon such conversion
or exchange shall be deemed to have become the Holder or Holders of record of
the shares represented thereby. Except as set forth above and subject to the
final paragraph of Section 307, no payment or adjustment shall be made upon any
conversion or exchange on account of any interest accrued on the Securities
surrendered for conversion or exchange or on account of any interest or
dividends on the Securities or property (including securities of other issuers,
provided that such securities are registered under Section 12 of the Exchange
Act and such issuer is then eligible to use Form S-3 (or any successor form) for
a primary offering of its securities) of the Company issued or delivered upon
such conversion or exchange.

         Notwithstanding anything to the contrary contained herein, no Holder
may exercise any conversion or exchange privilege or right, if as a result of
such conversion or exchange such Person would be deemed to beneficially own, in
any capacity, directly or indirectly, more than 9.9% of the value of the
Company's then outstanding capital stock, and the Company and the Trustee may
take any action deemed necessary to prevent the loss of the Company's status
under the Internal Revenue Code of 1986, as amended, as a "real estate
investment trust" as a result of any conversion or exchange of any Security.

         In the case of any Security which is converted or exchanged in part
only, upon such conversion or exchange the Company shall execute and the Trustee
shall authenticate and deliver to or on the order of the Holder thereof, at the
expense of the Company, a new Security or Securities of the same series, of
authorized denominations, in aggregate principal amount equal to the unconverted
or unexchanged portion of such Security.

         SECTION 1611.  Effect of Consolidation or Merger on Conversion 
                        Privilege.

         In case of any consolidation of the Company with, or merger of the
Company into or with any other Person, or in case of any sale of all or
substantially all of the assets of the Company, the Company or the Person formed
by such consolidation or the Person into which the Company shall have been
merged or the Person which shall have acquired such assets, as the case may be,
shall execute and deliver to the Trustee a supplemental indenture providing that
the Holder of each Security then outstanding of any series that is convertible
into securities of the Company shall have the right, which right shall be the
exclusive conversion right thereafter available to said Holder (until the
expiration of the conversion right of such Security), to convert such Security
into the kind and amount of shares of stock or other securities or property
(including cash) receivable upon such consolidation, merger or sale by a holder
of the number of shares or units of securities of the Company into which such
Security might have been converted immediately prior to such consolidation,
merger or sale, subject to compliance with the other provisions of this
Indenture, such Security and such supplemental indenture. Such supplemental
indenture shall provide for adjustments which shall be as nearly equivalent as
may be practicable to the adjustments provided for in such Security. The above
provisions of this Section shall similarly apply to successive consolidations,
mergers or sales. It is expressly agreed and understood that anything in this
Indenture to the contrary notwithstanding, if, pursuant to such merger,
consolidation or sale, holders of outstanding shares of Common Stock of the
Company or other securities, into which the Security is convertible do not
receive shares of common stock or corresponding other securities of the
surviving corporation, but receive other securities, cash or other property or
any combination thereof, Holders of Securities shall not have the right to
thereafter convert their Securities into common stock or other securities having
substantially identical terms as the Company securities, into which the Security
was originally convertible, of the surviving corporation or the corporation
which shall have acquired such assets, but rather, shall have the right upon
such conversion to receive the other securities, cash or other property
receivable by a holder of the number of shares of Common Stock or such or other
securities of the Company into which the Securities held by such holder might
have been converted immediately prior to such consolidation, merger or sale, all
as more fully provided in the first sentence of this Section 1611. Anything in
this Section 1611 to the contrary notwithstanding, the provisions of this
Section 1611 shall not apply to a merger or consolidation of another corporation
with or into the Company pursuant to which both of the following conditions are
applicable: (i) the Company is the surviving corporation and (ii) the
outstanding shares of Company Common Stock or other securities of the Company
into which the Security was originally convertible are not changed or converted
into any other securities or property (including cash) or reclassified pursuant
to the terms of such merger or consolidation.

         As evidence of the kind and amount of shares of stock or other
securities or property (including cash) into which Securities may properly be
convertible after any such consolidation, merger or sale, or as to the
appropriate adjustments of the conversion prices applicable with respect
thereto, the Trustee shall be furnished with and may accept the certificate or
opinion of an independent certified public accountant with respect thereto; and,
in the absence of bad faith on the part of the Trustee, the Trustee may
conclusively rely thereon, and shall not be responsible or accountable to any
Holder of Securities for any provision in conformity therewith or approved by
such independent certified accountant which may be contained in said
supplemental indenture.

         This Indenture may be executed in any number of counterparts, each of
which so executed shall be deemed to be an original, but all such counterparts
shall together constitute but one and the same Indenture.

         IN WITNESS WHEREOF, the parties hereto have caused this Indenture to
be duly executed by their respective officers hereunto duly authorized, all as
of the day and year first above written.

<TABLE>
         <S>                               <C>
         IRT PROPERTY COMPANY
        
         By:
         Name:
         Title:



         SUNTRUST BANK, ATLANTA, as Trustee


         By:
         Name:
         Title:
               
</TABLE>


                                      75
<PAGE>   83

                                  EXHIBIT A

                            FORM OF CERTIFICATION
                                 EXHIBIT A-1

             FORM OF CERTIFICATE TO BE GIVEN BY PERSON ENTITLED
              TO RECEIVE BEARER SECURITY OR TO OBTAIN INTEREST
                     PAYABLE PRIOR TO THE EXCHANGE DATE
                                 CERTIFICATE


         [Insert title or sufficient description of Securities to be delivered]

         This is to certify that, as of the date hereof, and except as set
forth below, the above-captioned Securities held by you for our account (i) are
owned by person(s) that are not citizens or residents of the United States,
domestic partnerships, domestic corporations or any estate or trust the income
of which is subject to United States federal income taxation regardless of its
source ("United States person(s)"), (ii) are owned by United States person(s)
that are (a) foreign branches of United States financial institutions
(financial institutions, as defined in United States Treasury Regulations
Section 1.165-12(c)(1)(v) are herein referred to as "financial institutions")
purchasing for their own account or for resale, or (b) United States person(s)
who acquired the Securities through foreign branches of United States financial
institutions and who hold the Securities through such United States financial
institutions on the date hereof (and in either case (a) or (b), each such
United States financial institution hereby agrees, on its own behalf or through
its agent, that you may advise__________________ or its agent that such
financial institution will provide a certificate within a reasonable time
stating that it agrees to comply with the requirements of Section 165(j)(3)(A),
(B) or (C) of the United States Internal Revenue Code of 1986, as amended, and
the regulations thereunder), or (iii) are owned by a financial institution for
purposes of resale during the restricted period (as defined in United States
Treasury Regulations Section 1.1635(c)(2)(i)(D)(7)), and, such financial
institution described in clause (iii) above (whether or not also described in
clause (i) or (ii)), certifies that it has not acquired the Securities for
purposes of resale directly or indirectly to a United States person or to a
person within the United States or its possessions.

         As used herein, "United States" means the United States of America
(including the States and the District of Columbia); and its "possessions"
include Puerto Rico, the U.S. Virgin Islands, Guam, American Samoa, Wake Island
and the Northern Mariana Islands.

         We undertake to advise you promptly by tested telex on or prior to the
date on which you intend to submit your certification relating to the
above-captioned Securities held by you for our account in accordance with your
Operating Procedures if any applicable statement herein is not correct on such
date, and in the absence of any such notification it may be assumed that this
certification applies as of such date.  This certificate excepts and does not
relate to [U.S.$] of such interest in the above-captioned Securities in
respect of which we are not able to certify and as to which we understand an
exchange for an interest in a permanent global Security or an exchange for and
delivery of definitive Securities (or, if relevant, collection of any interest)
cannot be made until we do so certify.

         We understand that this certificate may be required in connection with
certain tax legislation in the United States. If
<PAGE>   84


administrative or legal proceedings are commenced or threatened in connection
with which this certificate is or would be relevant, we irrevocably authorize
you to produce this certificate or a copy thereof to any interested party in
such proceedings.

         Dated:_________________,  ____ [To be dated no earlier than the 15th
day prior to the earlier of (i) the Exchange Date or (ii) the relevant Interest
Payment Date occurring prior to the Exchange Date, as applicable]

                                          [Name of Person Making 
                                          Certification]



                                          (Authorized Signator)  
                                          Name:                  
                                          Title:                 
<PAGE>   85

                                 EXHIBIT A-2

                FORM OF CERTIFICATE TO BE GIVEN BY EUROCLEAR
              AND CEDEL S.A. IN CONNECTION WITH THE EXCHANGE OF
               A PORTION OF A TEMPORARY GLOBAL SECURITY OR TO
             OBTAIN INTEREST PAYABLE PRIOR TO THE EXCHANGE DATE
                                 CERTIFICATE

         [Insert title or sufficient description of Securities to be delivered]

         This is to certify that, based solely on written certifications that
we have received in writing, by tested telex or by electronic transmission from
each of the persons appearing in our records as persons entitled to a portion
of the principal amount set forth below (our "Member Organizations")
substantially in the form attached hereto, as of the date hereof, (U.S.$)
principal amount of the above-captioned Securities (i) is owned by persons(s)
that are not citizens or residents of the United States, domestic partnerships,
domestic corporations or any estate or trust the income of which is subject to
United States Federal income taxation regardless of its source ("United States
person(s)"), (ii) is owned by United States person(s) that are (a) foreign
branches of United States financial institutions (financial institutions, as
defined in United States Treasury Regulations Section 1.165-12(c)(1)(v) are
herein referred to as "financial institutions") purchasing for their own
account or for resale, or (b) United States person(s) who acquired the
Securities through foreign branches of United States financial institutions and
who hold the Securities through such United States financial institutions on
the date hereof (and in either case (a) or (b), each such financial institution
has agreed, on its own behalf or through its agent, that we may
advise_________________________ or its agent that such financial institution
will provide a certificate within a reasonable time stating that it agrees to
comply with the requirements of Section 165(j)(3)(A), (B), or (C) of the
Internal Revenue Code of 1986, as amended, and the regulations thereunder), or
(iii) is owned by a financial institution for purposes of resale during the
restricted period (as defined in United States Treasury Regulations Section
1.163-5(c)(2)(i)(D)(7)), and that such financial institutions described in
clause (iii) above (whether or not also described in clause (i) or (ii)) have 
certified that they have not acquired the Securities for purposes of resale 
directly or indirectly to a United States person or to a person within the 
United States or its possessions.

         As used herein, "United States" means the United States of America
(including the States and the District of Columbia); and its "possessions"
include Puerto Rico, the U.S. Virgin Islands, Guam, American Samoa, Wake Island
and the Northern Mariana Islands.

         We further certify that (i) we are not making available herewith for
exchange (or, if relevant, collection of any interest) any portion of the
temporary global Security representing the above-captioned Securities excepted
in the above-referenced certificates of Member Organizations and (ii) as of the
date hereof we have not received any notification from any of our Member
Organizations to the effect that the statements made by such Member
Organizations with respect to any portion of the part submitted herewith for
exchange (or, if relevant, collection of any interest) are no longer true and
cannot be relied upon as of the date hereof.

         We understand that this certification is required in connection with
certain tax legislation in the United States.  If administrative or legal
proceedings are commenced or threatened in connection with which this
certificate is or would be relevant, we
<PAGE>   86


irrevocably authorize you to produce this certificate or a copy thereof to any
interested party in such proceedings.

Dated:_________________________ , ____

[To be dated no earlier than the earlier of the Exchange Date or the relevant
Interest Payment Date occurring prior to the Exchange Date, as applicable]



                                                          ,
                                                         as



By:

<PAGE>   1
                                                                     EXHIBIT 4.6



                             IRT PROPERTY COMPANY

                                       TO

                            SUNTRUST BANK, ATLANTA,

                                   as, Trustee
                                   Indenture
                        Dated as of ___________, 1998
                                     
                          Subordinated Debt Securities
<PAGE>   2

                               TABLE OF CONTENTS

<TABLE>
<CAPTION>
                                                                                                   Page
                                                                                                   ----
<S>              <C>                                                                               <C>
                                                       ARTICLE ONE

                                 DEFINITIONS AND OTHER PROVISIONS OF GENERAL APPLICATION

SECTION 101.     Definitions  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
                 Act  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
                 Additional Amounts   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
                 Affiliate  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
                 Authenticating Agent   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
                 Authorized Newspaper   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
                 Bankruptcy Law   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
                 Bearer Security  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
                 Board of Directors   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
                 Board Resolution   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
                 Business Day   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
                 CEDEL . . . . . . . . . . . . . . . . . . . . . . . . . . . .  . . . . . . . . . . 3
                 Commission   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
                 Common Depository  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
                 Company  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
                 Company Request and Company Order  . . . . . . . . . . . . . . . . . . . . . . . . 3
                 Conversion Event   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
                 Corporate Trust Office   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
                 corporation  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
                 coupon   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
                 Custodian  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
                 Debt   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 
                 Defaulted Interest   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
                 Dollar or $  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 
                 DTC  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 
                 ECU   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 3
                 Euroclear   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . 3
                 European Communities  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 3
                 European Monetary System  . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 3
                 Event of Default   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
                 Exchange Act   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
                 Foreign Currency   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
                 GAAP   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
                 Government Obligations   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
                 Holder   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
                 Indenture  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
                 Indexed Security   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
                 Interest   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
                 Interest Payment Date  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
                 Make-Whole Amount  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
                 Maturity   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
                 Officers' Certificate  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
                 Opinion of Counsel   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
                 Original Issue Discount Security   . . . . . . . . . . . . . . . . . . . . . . . . 5
                 Outstanding  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
                 Paying Agent   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
                 Person   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
                 Place of Payment   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
                 Predecessor Security   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
                 Redemption Date  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
                 Redemption Price   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
                 Registered Security  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
                 Regular Record Date  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
                 Repayment Date   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
                 Repayment Price  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
                 Representative   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
                                                                                                     
</TABLE>
                                      i
<PAGE>   3

<TABLE>
<S><C>                                                                                             <C>
                 Responsible Officer  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
                 Securities Act   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
                 Security   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
                 Security Register and Security Registrar   . . . . . . . . . . . . . . . . . . . . 7
                 Senior Debt  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
                 Significant Subsidiary   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
                 Special Record Date  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
                 Stated Maturity  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
                 Subsidiary   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
                 Trust Indenture Act or TIA   . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
                 Trustee  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
                 United States  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
                 United States person   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
                 Yield to Maturity  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
SECTION 102.     Compliance Certificates and Opinions   . . . . . . . . . . . . . . . . . . . . . . 9
SECTION 103.     Form of Documents Delivered to Trustee   . . . . . . . . . . . . . . . . . . . . . 9
SECTION 104.     Acts of Holders  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  10
SECTION 105.     Notices, etc., to the Trustee and Company  . . . . . . . . . . . . . . . . . . .  11
SECTION 106.     Notice to Holders; Waiver  . . . . . . . . . . . . . . . . . . . . . . . . . . .  11
SECTION 107.     Effect of Headings and Table of Contents   . . . . . . . . . . . . . . . . . . .  12
SECTION 108.     Successors and Assigns   . . . . . . . . . . . . . . . . . . . . . . . . . . . .  12
SECTION 109.     Separability Clause  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  12
SECTION 110.     Benefits of Indenture  . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  12
SECTION 111.     No Personal Liability  . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  13
SECTION 112.     Governing Law  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  13
SECTION 113.     Legal Holidays   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  13

                                                       ARTICLE TWO

                                                     SECURITIES FORMS

SECTION 201.     Forms of Securities  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  13
SECTION 202.     Form of Trustee's Certificate of Authentication  . . . . . . . . . . . . . . . .  14
SECTION 203.     Securities Issuable in Global Form   . . . . . . . . . . . . . . . . . . . . . .  14

                                                      ARTICLE THREE

                                                      THE SECURITIES

SECTION 301.     Amount Unlimited; Issuable in Series   . . . . . . . . . . . . . . . . . . . . .  15
SECTION 302.     Denominations  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  18
SECTION 303.     Execution, Authentication, Delivery and Dating   . . . . . . . . . . . . . . . .  18
SECTION 304.     Temporary Securities   . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  20
SECTION 305.     Registration, Registration of Transfer and
                 Exchange   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  22
SECTION 306.     Mutilated, Destroyed, Lost and Stolen Securities   . . . . . . . . . . . . . . .  25
SECTION 307.     Payment of Interest; Interest Rights Preserved   . . . . . . . . . . . . . . . .  26
SECTION 308.     Persons Deemed Owners  . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  27
SECTION 309.     Cancellation   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  28
SECTION 310.     Computation of Interest  . . . . . . . . . . . . . . . . . . . . . . . . . . . .  28

                                                       ARTICLE FOUR

                                                SATISFACTION AND DISCHARGE

SECTION 401.     Satisfaction and Discharge of Indenture  . . . . . . . . . . . . . . . . . . . .  29
SECTION 402.     Application of Trust Funds   . . . . . . . . . . . . . . . . . . . . . . . . . .  30

                                                       ARTICLE FIVE

                                                         REMEDIES

SECTION 501.     Events of Default  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  30
SECTION 502.     Acceleration of Maturity; Rescission and Annulment   . . . . . . . . . . . . . .  31
SECTION 503.     Collection of Indebtedness and Suits for
                 Enforcement by Trustee   . . . . . . . . . . . . . . . . . . . . . . . . . . . .  32
                                                                                                     
</TABLE>
                                      ii
<PAGE>   4

<TABLE>
<S>              <C>                                                                               <C>
SECTION 504.     Trustee May File Proofs of Claim   . . . . . . . . . . . . . . . . . . . . . . .  33
SECTION 505.     Trustee May Enforce Claims Without Possession
                 of Securities or Coupons   . . . . . . . . . . . . . . . . . . . . . . . . . . .  34
SECTION 506.     Application of Money Collected   . . . . . . . . . . . . . . . . . . . . . . . .  34
SECTION 507.     Limitation on Suits  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  34
SECTION 508.     Unconditional Right of Holders to
                 Receive Principal, Premium or Make-Whole Amount, if
                 any, Interest and Additional Amounts   . . . . . . . . . . . . . . . . . . . . .  35
SECTION 509.     Restoration of Rights and Remedies   . . . . . . . . . . . . . . . . . . . . . .  35
SECTION 510.     Rights and Remedies Cumulative   . . . . . . . . . . . . . . . . . . . . . . . .  35
SECTION 511.     Delay or Omission Not Waiver   . . . . . . . . . . . . . . . . . . . . . . . . .  35
SECTION 512.     Control by Holders of Securities   . . . . . . . . . . . . . . . . . . . . . . .  35
SECTION 513.     Waiver of Past Defaults  . . . . . . . . . . . . . . . . . . . . . . . . . . . .  36
SECTION 514.     Waiver of Stay or Extension Laws   . . . . . . . . . . . . . . . . . . . . . . .  36
SECTION 515.     Undertaking for Costs  . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  36

                                                       ARTICLE SIX

                                                       THE TRUSTEE

SECTION 601.     Notice of Defaults   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  37
SECTION 602.     Certain Rights of Trustee  . . . . . . . . . . . . . . . . . . . . . . . . . . .  37
SECTION 603.     Not Responsible for Recitals or Issuance of
                 Securities   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  38
SECTION 604.     May Hold Securities  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  38
SECTION 605.     Money Held in Trust  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  38
SECTION 606.     Compensation and Reimbursement   . . . . . . . . . . . . . . . . . . . . . . . .  39
SECTION 607.     Corporate Trustee Required; Eligibility  . . . . . . . . . . . . . . . . . . . .  39
SECTION 608.     Resignation and Removal; Appointment of Successor  . . . . . . . . . . . . . . .  39
SECTION 609.     Acceptance of Appointment By Successor   . . . . . . . . . . . . . . . . . . . .  41
SECTION 610.     Merger, Conversion, Consolidation or
                 Succession to Business   . . . . . . . . . . . . . . . . . . . . . . . . . . . .  41
SECTION 611.     Appointment of Authenticating Agent  . . . . . . . . . . . . . . . . . . . . . .  42
SECTION 612.     Certain Duties and Responsibilities  . . . . . . . . . . . . . . . . . . . . . .  43
SECTION 613.     Conflicting Interests  . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  43


                                                     ARTICLE SEVEN

                                     HOLDERS' LISTS AND REPORTS BY TRUSTEE AND TRUST

SECTION 701.     Disclosure of Names and Addresses of Holders   . . . . . . . . . . . . . . . . .  43
SECTION 702.     Reports by Trustee   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  43
SECTION 703.     Reports by Company   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  44
SECTION 704.     Company to Furnish Trustee Names and
                 Addresses of Holders   . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  44

                                                      ARTICLE EIGHT

                                     CONSOLIDATION, MERGER, SALE, LEASE OR CONVEYANCE

SECTION 801.     Consolidations and Mergers of Company and
                 Sales, Leases and Conveyances Permitted
                 Subject to Certain Conditions  . . . . . . . . . . . . . . . . . . . . . . . . .  44
SECTION 802.     Rights and Duties of Successor Corporation   . . . . . . . . . . . . . . . . . .  45
SECTION 803.     Officers' Certificate and Opinion of Counsel   . . . . . . . . . . . . . . . . .  45

                                                       ARTICLE NINE

                                                 SUPPLEMENTAL INDENTURES

SECTION 901.     Supplemental Indentures Without Consent of Holders   . . . . . . . . . . . . . .  45
SECTION 902.     Supplemental Indentures With Consent of Holders  . . . . . . . . . . . . . . . .  47
SECTION 903.     Execution of Supplemental Indentures   . . . . . . . . . . . . . . . . . . . . .  48
SECTION 904.     Effect of Supplemental Indentures  . . . . . . . . . . . . . . . . . . . . . . .  48
SECTION 905.     Conformity with Trust Indenture Act  . . . . . . . . . . . . . . . . . . . . . .  48
SECTION 906.     Reference in Securities to Supplemental Indentures   . . . . . . . . . . . . . .  48
SECTION 907.     Notice of Supplemental Indentures  . . . . . . . . . . . . . . . . . . . . . . .  48
SECTION 908.     Subordination Unimpaired . . . . . . . . . . . . . . . . . . . . . . . . . . . .  48   
</TABLE>
                                      iii
<PAGE>   5

<TABLE>
<S>              <C>                                                                               <C>
                                                       ARTICLE TEN

                                                        COVENANTS

SECTION 1001.    Payment of Principal, Premium or Make-Whole
                 Amount, if any, Interest and Additional Amounts  . . . . . . . . . . . . . . . .  48
SECTION 1002.    Maintenance of Office or Agency  . . . . . . . . . . . . . . . . . . . . . . . .  49
SECTION 1003.    Money for Securities Payments to Be Held in Trust  . . . . . . . . . . . . . . .  50
SECTION 1004.    [Omitted]  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  51
SECTION 1005.    Existence  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  51
SECTION 1006.    Maintenance of Properties  . . . . . . . . . . . . . . . . . . . . . . . . . . .  51
SECTION 1007.    Insurance  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  52
SECTION 1008.    Payment of Taxes and Other Claims  . . . . . . . . . . . . . . . . . . . . . . .  52
SECTION 1009.    Provision of Financial Information   . . . . . . . . . . . . . . . . . . . . . .  52
SECTION 1010.    Statement as to Compliance   . . . . . . . . . . . . . . . . . . . . . . . . . .  52
SECTION 1011.    Additional Amounts   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  53
SECTION 1012.    Waiver of Certain Covenants  . . . . . . . . . . . . . . . . . . . . . . . . . .  53

                                                      ARTICLE ELEVEN

                                                 REDEMPTION OF SECURITIES

SECTION 1101.    Applicability of Article   . . . . . . . . . . . . . . . . . . . . . . . . . . .  54
SECTION 1102.    Election to Redeem; Notice to Trustee  . . . . . . . . . . . . . . . . . . . . .  54
SECTION 1103.    Selection by Trustee of Securities to Be Redeemed  . . . . . . . . . . . . . . .  54
SECTION 1104.    Notice of Redemption   . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  54
SECTION 1105.    Deposit of Redemption Price  . . . . . . . . . . . . . . . . . . . . . . . . . .  56
SECTION 1106.    Securities Payable on Redemption Date  . . . . . . . . . . . . . . . . . . . . .  56
SECTION 1107.    Securities Redeemed in Part  . . . . . . . . . . . . . . . . . . . . . . . . . .  56

                                                      ARTICLE TWELVE

                                                      SINKING FUNDS

SECTION 1201.    Applicability of Article   . . . . . . . . . . . . . . . . . . . . . . . . . . .  57
SECTION 1202.    Satisfaction of Sinking Fund Payments with
                 Securities   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  57
SECTION 1203.    Redemption of Securities for Sinking Fund  . . . . . . . . . . . . . . . . . . .  57

                                                     ARTICLE THIRTEEN

                                            REPAYMENT AT THE OPTION OF HOLDERS

SECTION 1301.    Applicability of Article   . . . . . . . . . . . . . . . . . . . . . . . . . . .  58
SECTION 1302.    Repayment of Securities  . . . . . . . . . . . . . . . . . . . . . . . . . . . .  58
SECTION 1303.    Exercise of Option   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  58
SECTION 1304.    When Securities Presented for Repayment
                 Become Due and Payable   . . . . . . . . . . . . . . . . . . . . . . . . . . . .  59
SECTION 1305.    Securities Repaid in Part  . . . . . . . . . . . . . . . . . . . . . . . . . . .  60

                                                     ARTICLE FOURTEEN

                                            DEFEASANCE AND COVENANT DEFEASANCE

SECTION 1401.    Applicability of Article; Company's Option to 
                 Effect Defeasance or Covenant Defeasance . . . . . . . . . . . . . . . . . . . .  60
SECTION 1402.    Defeasance and Discharge   . . . . . . . . . . . . . . . . . . . . . . . . . . .  60
SECTION 1403.    Covenant Defeasance  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  61
SECTION 1404.    Conditions to Defeasance or Covenant Defeasance  . . . . . . . . . . . . . . . .  61
SECTION 1405.    Deposited Money and Government Obligations to
                 Be Held in Trust; Other Miscellaneous Provisions   . . . . . . . . . . . . . . .  63

                                                     ARTICLE FIFTEEN
                                                                    
</TABLE>
                                      iv
<PAGE>   6
<TABLE>

                                            MEETINGS OF HOLDERS OF SECURITIES
<S>              <C>                                                                               <C>
SECTION 1501.    Purposes for Which Meetings May Be Called  . . . . . . . . . . . . . . . . . . .  63
SECTION 1502.    Call, Notice and Place of Meetings   . . . . . . . . . . . . . . . . . . . . . .  64
SECTION 1503.    Persons Entitled to Vote at Meetings   . . . . . . . . . . . . . . . . . . . . .  64
SECTION 1504.    Quorum; Action   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  64
SECTION 1505.    Determination of Voting Rights; Conduct and
                 Adjournment of Meetings  . . . . . . . . . . . . . . . . . . . . . . . . . . . .  65
SECTION 1506.    Counting Votes and Recording Action of Meetings  . . . . . . . . . . . . . . . .  66
SECTION 1507.    Evidence of Action Taken by Holders  . . . . . . . . . . . . . . . . . . . . . .  66
SECTION 1508.    Proof of Execution of Instruments  . . . . . . . . . . . . . . . . . . . . . . .  66


                                                     ARTICLE SIXTEEN

                                            CONVERSION OR EXCHANGE OF SECURITIES

SECTION 1601.    Applicability of Article  . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
SECTION 1602.    Election to Exchange; Notice to Trustee and Holders . . . . . . . . . . . . . . . 67
SECTION 1603.    No Fractional Shares  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
SECTION 1604.    Adjustment of Exchange Rate   . . . . . . . . . . . . . . . . . . . . . . . . . . 67
SECTION 1605.    Payment of Certain Taxes Upon Exchange  . . . . . . . . . . . . . . . . . . . . . 67
SECTION 1606.    Shares Free and Clear   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67 
SECTION 1607.    Cancellation of Security  . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
SECTION 1608.    Duties of Trustee Regarding Exchange  . . . . . . . . . . . . . . . . . . . . . . 67
SECTION 1609.    Repayment of Certain Funds Upon Exchange  . . . . . . . . . . . . . . . . . . . . 67
SECTION 1610.    Exercise of Conversion or Exchange Privilege  . . . . . . . . . . . . . . . . . . 67
SECTION 1611.    Effect of Consolidation or Merger on Conversion Privilege . . . . . . . . . . . . 67




                                                     ARTICLE SEVENTEEN

                                                      SUBORDINATION

SECTION 1701.    Agreement to Subordinate   . . . . . . . . . . . . . . . . . . . . . . . . . . .  67
SECTION 1702.    Liquidation; Dissolution; Bankruptcy   . . . . . . . . . . . . . . . . . . . . .  67
SECTION 1703.    Default on Senior Debt   . . . . . . . . . . . . . . . . . . . . . . . . . . . .  67
SECTION 1704.    Acceleration of Securities   . . . . . . . . . . . . . . . . . . . . . . . . . .  67
SECTION 1705.    When Distribution Must Be Paid Over  . . . . . . . . . . . . . . . . . . . . . .  68
SECTION 1706.    Notice by Company  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  68
SECTION 1707.    Subrogation  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  68
SECTION 1708.    Relative Rights  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  68
SECTION 1709     Subordination May Not Be Impaired by Company   . . . . . . . . . . . . . . . . .  68
SECTION 1710.    Distribution or Notice to Representative   . . . . . . . . . . . . . . . . . . .  68
SECTION 1711.    Rights of Trustee and Paying Agent   . . . . . . . . . . . . . . . . . . . . . .  68


TESTIMONIUM
SIGNATURES AND SEALS
ACKNOWLEDGEMENTS
EXHIBIT A - FORMS OF CERTIFICATION
</TABLE>
                                      v
<PAGE>   7
                             IRT PROPERTY COMPANY

Reconciliation and tie between Trust Indenture Act of 1939, as
amended (the "1939 Act"), and Indenture, dated as of ____________,
1998

<TABLE>
<S>                                                                               <C>
Trust Indenture Act Section                                                         Indenture Section

(Section)310(a)(1)  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 607
     (a)(2)   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 607
     (b)  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 608
(Section)312(c) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 701
(Section)314(a) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 703
     (a)(4)   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  1010
     (c)(1)   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102
     (c)(2)   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102
     (e)  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102
(Section)315(b) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 601
(Section)316(a)(last sentence)  . . . . . . . . . . . . . . . . . . . . . . . . . 101 ("Outstanding")
     (a)(1)(A)  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  502, 512
     (a)(1)(B)  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 513
     (b)  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 508
(Section)317(a)(1)  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 503
     (a)(2)   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 504
(Section)318(a) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112
     (c)  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112
</TABLE>

- --------------------
Note:    This reconciliation and tie shall not, for any purpose, be
         deemed to be a part of the Indenture.

         Attention should also be directed to Section 318(c) of the 1939 Act,
         which provides that the provisions of Sections 310 to and including
         317 of the 1939 Act are a part of and govern every qualified
         indenture, whether or not physically contained therein.


                                      vi
<PAGE>   8

                                  INDENTURE

         INDENTURE, dated as of _______, ___ 1995, between IRT PROPERTY COMPANY,
a Georgia corporation (hereinafter called the "Company"), having its principal
office at 200 Galleria Parkway, Suite 1400, Atlanta, Georgia 30339, and
SunTrust Bank, Atlanta, a Georgia banking corporation, as Trustee hereunder
(hereinafter called the "Trustee"), having its Corporate Trust Office
at 58 Edgewood Ave., Room 400-Annex A, Atlanta, Georgia 30303.

                           RECITALS OF THE COMPANY

         The Company deems it necessary to issue from time to time for its
lawful purposes subordinated debt securities (hereinafter called the
"Securities") evidencing its unsecured and subordinated indebtedness, and has 
duly authorized the execution and delivery of this Indenture to provide for the
issuance from time to time of the Securities, unlimited as to aggregate
principal amount, to bear interest at the rates or formulas, to mature at such
times and to have such other provisions as shall be fixed therefor as
hereinafter provided.

         All things necessary to make this Indenture a valid agreement of the
Company, in accordance with its terms, have been done.

         NOW, THEREFORE, THIS INDENTURE WITNESSETH:

         For and in consideration of the premises and the purchase of the
Securities by the Holders thereof, it is mutually covenanted and agreed, for
the equal and proportionate benefit of all Holders of the Securities, as
follows:

                                  ARTICLE ONE

            DEFINITIONS AND OTHER PROVISIONS OF GENERAL APPLICATION

         SECTION 101.     Definitions.

         For all purposes of this Indenture, except as otherwise expressly
provided or the context otherwise requires:

         (1)     the terms defined in this Article have the meanings assigned
to them in this Article, and include the plural as well as the singular;

         (2)     all other terms used herein which are defined in the Trust
Indenture Act, either directly or by reference therein, have the meanings
assigned to them therein, and the terms "cash transaction" and
"self-liquidating paper," as used in Trust Indenture Act Section 311, shall
have the meanings assigned to them in the rules of the Commission adopted under
the Trust Indenture Act;

         (3)     all accounting terms not otherwise defined herein have the
meanings assigned to them in accordance with generally accepted accounting
principles; and

         (4)     the words "herein," "hereof" and "hereunder" and other words
of similar import refer to this Indenture as a whole and not to any particular
Article, Section or other subdivision.

         Certain terms, used principally in Article Three, Article Five,
Article Six and Article Ten, are defined in those Articles. In addition, the
following terms shall have the indicated respective meanings:




                                      1
<PAGE>   9

         "Act" has the meaning specified in Section 104.

         "Additional Amounts" means any additional amounts which are required
by a Security, under circumstances specified therein, to be paid by the Company
in respect of certain taxes imposed on certain Holders and which are owing to
such Holders.

         "Affiliate" of any specified Person means any other Person directly or
indirectly controlling or controlled by or under direct or indirect common
control with such specified Person. For the purposes of this definition,
"control" when used with respect to any specified Person means the power to
direct the management and policies of such Person, directly or indirectly,
whether through the ownership of voting securities, by contract or otherwise;
and the terms "controlling" and "controlled" have meanings correlative to the
foregoing.

         "Authenticating Agent" means any authenticating agent appointed by the
Trustee pursuant to Section 611.

         "Authorized Newspaper" means a newspaper, printed in the English
language or in an official language of the country of publication, customarily
published on each Business Day, whether or not published on Saturdays, Sundays
or holidays, and of general circulation in each place in connection with which
the term is used or in the financial community of each such place. Whenever
successive publications are required to be made in Authorized Newspapers, the
successive publications may be made in the same or in different Authorized
Newspapers in the same city meeting the foregoing requirements and in each case
on any Business Day.

         "Bankruptcy Law" has the meaning specified in Section 501.

         "Bearer Security" means a Security which is payable to bearer.

         "Board of Directors" means either (i) the Board of Directors of the
Company, the executive committee or any other committee or director of that
board duly authorized to act for it in respect hereof, or (ii) one or more duly
authorized officers of the Company to whom the Board of Directors of the
Company or a committee thereof has delegated the authority to act with respect
to the matters contemplated by this Indenture.

         "Board Resolution" means (i) a copy of a resolution certified by the
Secretary or an Assistant Secretary of the Company to have been duly adopted by
the Board of Directors or a committee thereof, and to be in full force and
effect on the date of such certification, and delivered to the Trustee or (ii)
a certificate signed by the authorized officer or officers of the Company to 
whom the Board of Directors of the Company or a committee thereof has 
delegated its authority (as described in the definition of Board of Directors),
and in each case delivered to the Trustee.

         "Business Day," when used with respect to any Place of Payment or any
other particular location referred to in this Indenture or in the Securities,
means, unless otherwise specified with respect to any Securities pursuant to
Section 301, any day, other than a Saturday or Sunday, that is neither a legal
holiday nor a day on which banking institutions in that Place of Payment or
particular location are authorized or required by law, regulation or executive
order to close.



                                      2
<PAGE>   10


         "CEDEL" means Centrale de Livraison de Valeurs Mobilieres, S.A., or
its successor.

         "Commission" means the Securities and Exchange Commission, as from
time to time constituted, created under the Exchange Act, or, if at any time
after execution of this instrument such Commission is not existing and
performing the duties now assigned to it under the Trust Indenture Act, then
the body performing such duties on such date.

         "Common Depository" has the meaning specified in Section 304(b).

         "Company" means the Person named as the "Company" in the first
paragraph of this Indenture until a successor corporation shall have become
such pursuant to the applicable provisions of this Indenture, and thereafter
"Company" shall mean such successor corporation.

         "Company Request" and "Company Order" mean, respectively, a written
request or order signed in the name of the Company by the President or a Vice
President of the Company, and by the Treasurer, an Assistant Treasurer, the
Secretary or an Assistant Secretary of the Company, and delivered to the
Trustee.  

         "Conversion Event" means the cessation of use of (i) a Foreign Currency
(other than as otherwise provided with respect to a Security pursuant to Section
301) as provided by the government of the country which issued such currency and
for the settlement of transactions by a central bank or other public
institutions of or within the international banking community, or (ii) the ECU,
both within the European Monetary System and for the settlement of transactions
by public institutions of or within the European Community or (iii) any currency
unit (or composite currency) for the purposes for which it was established.

         "Corporate Trust Office" means the office of the Trustee at which, at
any particular time, its corporate trust business shall be principally
administered, which office at the date hereof is located at 58 Edgewood Avenue,
Room 400-Annex A, Atlanta, Georgia 30303.

         "corporation" includes corporations, associations, companies and
business trusts.

         "coupon" means any interest coupon appertaining to a Bearer Security.

         "Custodian" has the meaning set forth in Section 501.


         "Debt" means the principal, premium, if any, unpaid interest (including
interest accruing on or after the filing of any petition in bankruptcy or for
reorganization relating to the Company whether or not a claim for post-filing
interest is allowed in such proceeding), fees charges, expenses, reimbursement
and indemnification obligations, and all other amounts payable under or in
respect of the following indebtedness of the Company for money borrowed, whether
any such indebtedness exists as of the date of the Indenture or is created,
incurred, assumed or guaranteed after such date:

                (i)   any debt (a) for money borrowed, or (b) evidenced by a
         bond, note, debenture, or similar instrument (including purchase money
         obligations) given in connection with the acquisition of any business,
         property or assets, whether by purchase, merger, consolidation or
         otherwise, but shall not include any account payable or other
         obligation created or assumed in the ordinary course of business in
         connection with the obtaining of materials or services, or (c) which is
         a direct or indirect obligation which arises as a result of banker's
         acceptances or bank letters of credit issued to secure obligations of 
         the Company, or to secure the payment of revenue bonds issued for the 
         benefit of the Company, whether contingent of otherwise;

                (ii)  any debt of others described in the preceding clause (i)
         which the Company has guaranteed or for which it is otherwise liable;


                (iii) the obligation of the Company, as lessee under any lease
         of property which is reflected on the Company's balance sheet as a
         capitalized lease; and

                (iv)  any deferral, amendment, renewal, extension, supplement or
         refunding of any liability of the kind described in any of the
         preceding clauses (i), (ii), and (iii); provided, however, that, in
         computing indebtedness of the Company, there shall be excluded any
         particular indebtedness if, upon or prior to the maturity thereof,
         there shall have been deposited with a depository in trust money (or
         evidence of indebtedness if permitted by the instrument creating such
         indebtedness) in the necessary amount to pay, redeem or satisfy such
         indebtedness as it becomes due, and the amount so deposited shall not
         be included in any computation of the assets of the Company.


         "Defaulted Interest" has the meaning specified in Section 307.

         "Dollar" or "$" means a dollar or other equivalent unit in such coin or
currency of the United States of America as at the time shall be legal tender
for payment of public and private debts.

         "DTC" means The Depository Trust Company.

         "ECU" means the European Currency Unit as defined and revised from time
to time by the Council of the European Communities.

         "Euroclear" means Morgan Guaranty Trust Company of New York, Brussels
Office, or its successor as operator of the Euroclear System.

         "European Community" means the European Economic Community, the
European Coal and Steel Community and the European Atomic Energy Community.

         "European Monetary System" means the European Monetary System


                                      3
<PAGE>   11

established by the Resolution of December 5, 1978 of the Council of the
European Communities.

         "Event of Default" has the meaning specified in Section 501.

         "Exchange Act" means the Securities Exchange Act of 1934, as amended,
and the rules and regulations promulgated thereunder by the Commission.

         "Foreign Currency" means any currency, currency unit or composite
currency issued by the government of one or more countries other than the
United States of America or by any recognized confederation or association of
such governments.

         "GAAP" means generally accepted accounting principles as used in the
United States applied on a consistent basis as in effect from time to time;
provided, that solely for purposes of any calculation required by the financial
covenants contained herein, "GAAP" shall mean generally accepted accounting
principles as used in the United States on the date hereof, applied on a
consistent basis.

         "Government Obligations" means securities which are (i) direct
obligations of the United States of America or the government which issued the
Foreign Currency in which the Securities of a particular series are payable,
for the payment of which its full faith and credit is pledged or (ii)
obligations of a Person controlled or supervised by and acting as an agency or
instrumentality of the United States of America or such government which issued
the Foreign Currency in which the Securities of such series are payable, the
payment of which is unconditionally guaranteed as a full faith and credit
obligation by the United States of America or such other government, which, in
either case, are not callable or redeemable at the option of the issuer
thereof, and shall also include a depository receipt issued by a bank or trust
company as custodian with respect to any such Government Obligation or a
specific payment of interest on or principal of any such Government Obligation
held by such custodian for the account of the holder of a depository receipt,
provided that (except as required by law) such custodian is not authorized to
make any deduction from the amount payable to the holder of such depository
receipt from any amount received by the custodian in respect of the Government
Obligation or the specific payment of interest on or principal of the
Government Obligation evidenced by such depository receipt.

         "Holder" means, in the case of a Registered Security, the Person in
whose name a Security is registered in the Security Register and, in the case
of a Bearer Security, the bearer thereof and, when used with respect to any
coupon, shall mean the bearer thereof.

         "Indenture" means this instrument as originally executed or as it may
from time to time be supplemented or amended by one or more indentures
supplemental hereto entered into pursuant to the applicable provisions hereof,
and shall include the terms of particular series of Securities established as
contemplated by Section 301; provided, however, that, if at any time more than
one Person is acting as Trustee under this instrument, "Indenture" shall mean,
with respect to any one or more series of Securities for which such Person is
Trustee, this instrument as originally executed or as it may from time to time
be supplemented or amended by one or more indentures supplemental hereto
entered into pursuant to the applicable provisions hereof and shall include the
terms of the or those particular series of Securities for which such Person is
Trustee established as contemplated by Section 301, exclusive, however, of any
provisions or terms which relate solely to other series of Securities for which
such Person is not Trustee, regardless of when such terms or provisions were
adopted, and exclusive of any provisions or terms adopted by means of one or
more indentures supplemental hereto executed and delivered after such Person
had become such Trustee but to which such Person, as such Trustee, was not a
party.


                                      4
<PAGE>   12
 
         "Indexed Security" means a Security the terms of which provide that
the principal amount thereof payable at Stated Maturity may be more or less
than the principal face amount thereof at original issuance.

         "Interest" when used with respect to an Original Issue Discount
Security which by its terms bears interest only after Maturity, shall mean
interest payable after Maturity, and, when used with respect to a Security
which provides for the payment of Additional Amounts pursuant to Section 1011,
includes such Additional Amounts.

         "Interest Payment Date" means, when used with respect to any Security,
the Stated Maturity of an installment of interest on such Security.

         "Make-Whole Amount" means the amount, if any, in addition to principal
which is required by a Security, under the terms and conditions specified
therein or as otherwise specified as contemplated by Section 301, to be paid by
the Company to the Holder thereof in connection with any optional redemption or
accelerated payment of such Security.

         "Maturity" means, when used with respect to any Security, the date on
which the principal of such Security or an installment of principal becomes due
and payable as therein or herein provided, whether at the Stated Maturity or by
declaration of acceleration, notice of redemption, notice of option to elect
repayment, repurchase or otherwise.

         "Officers' Certificate" means a certificate signed by the President or
a Vice President and by the Treasurer, an Assistant Treasurer, the Secretary or
an Assistant Secretary of the Company, and delivered to the Trustee.

         "Opinion of Counsel" means a written opinion of counsel, who may be an
employee of or counsel for the Company or other counsel satisfactory to the
Trustee.

         "Original Issue Discount Security" means any Security which provides
for an amount less than the principal amount thereof to be due and payable upon
a declaration of acceleration of the Maturity thereof pursuant to Section 502.

         "Outstanding," when used with respect to Securities, means, as of the
date of determination, all Securities theretofore authenticated and delivered
under this Indenture, except:

         (i)     Securities theretofore canceled by the Trustee or delivered to
         the Trustee for cancellation;

         (ii)    Securities, or portions thereof, for whose payment or
         redemption or repayment at the option of the Holder money in the
         necessary amount has been theretofore deposited with the Trustee or
         any Paying Agent (other than the Company) in trust or set aside and
         segregated in trust by the Company (if the Company shall act as its
         own Paying Agent) for the Holders of such Securities and any coupons
         appertaining thereto; provided that, if such Securities are to be
         redeemed, notice of such redemption has been duly given pursuant to
         this Indenture or other provision therefor satisfactory to the
         Trustee has been made;

         (iii)   Securities, except solely to the extent provided in Sections
         1402 and 1403, as applicable, with respect to which the Company has
         effected defeasance and/or covenant defeasance as provided in Article
         Fourteen;

         (iv)    Securities which have been paid pursuant to Section 306 or in
         exchange for or in lieu of which other Securities have been
         authenticated and delivered pursuant to this Indenture, other than any
         such Securities in respect of which there shall have been presented to
         the Trustee proof satisfactory to it that such Securities are held by


                                      5
<PAGE>   13

         a bona fide purchaser in whose hands such Securities are valid
         obligations of the Company; and

         (v)     Securities converted or exchanged into other securities or
         property (including securities of other issuers, provided that such
         securities are registered under Section 12 of the Exchange Act and such
         issuer is then eligible to use Form S-3 (or any successor form) for a
         primary offering of its securities) of the Company pursuant to or in
         accordance with this Indenture if the terms of such Securities provide
         for convertibility or exchange pursuant to Section 301;

provided, however, that in determining whether the Holders of the requisite
principal amount of the Outstanding Securities have given any request, demand,
authorization, direction, notice, consent or waiver hereunder or are present at
a meeting of Holders for quorum purposes, and for the purpose of making the
calculations required by Trust Indenture Act Section 313, (i) the principal
amount of an Original Issue Discount Security that may be counted in making
such determination or calculation and that shall be deemed to be Outstanding
for such purpose shall be equal to the amount of principal thereof that would
be (or shall have been declared to be) due and payable, at the time of such
determination, upon a declaration of acceleration of the maturity thereof
pursuant to Section 502, (ii) the principal amount of any Security denominated
in a Foreign Currency that may be counted in making such determination or
calculation and that shall be deemed Outstanding for such purpose shall be
equal to the Dollar equivalent, determined pursuant to Section 301 as of the
date such Security is originally issued by the Company, of the principal
amount (or, in the case of an Original Issue Discount Security, the Dollar
equivalent as of such date of original issuance of the amount determined as
provided in clause (i) above) of such Security, (iii) the principal amount of
any Indexed Security that may be counted in making such determination or
calculation and that shall be deemed outstanding for such purpose shall be
equal to the principal face amount of such Indexed Security at original
issuance, unless otherwise provided with respect to such Indexed Security
pursuant to Section 301, and (iv) Securities owned by the Company or any other
obligor upon the Securities or any Affiliate of the Company or of such other
obligor shall be disregarded and deemed not to be Outstanding, except that, in
determining whether the Trustee shall be protected in making such calculation
or in relying upon any such request, demand, authorization, direction, notice,
consent or waiver, only Securities which a Responsible Officer of the Trustee
knows to be so owned shall be so disregarded. Securities so owned which have
been pledged in good faith may be regarded as Outstanding if the pledgee
establishes to the satisfaction of the Trustee the pledgee's right so to act
with respect to such Securities and that the pledgee is not the Company or any
other obligor upon the Securities or any Affiliate of the Company or of
such other obligor.

         "Paying Agent" means any Person authorized by the Company to pay the
principal of (and premium or Make-Whole Amount, if any) or interest on any
Securities, or coupons on behalf of the Company, or if no such Person is
authorized, the Company.

         "Person" means any individual, corporation, partnership, limited
liability company, joint venture, association, joint stock company, trust,
unincorporated organization or government or any agency or political
subdivision thereof.

         "Place of Payment" means, when used with respect to the Securities of
or within any series, the place or places where the principal of (and premium
or Make-Whole Amount, if any) and interest on such Securities are payable as
specified as contemplated by Sections 301 and 1002.

         "Predecessor Security" of any particular Security means every previous
Security evidencing all or a portion of the same debt as that evidenced by such
particular Security; and, for the purposes of this definition, any Security
authenticated and delivered under Section 306 in exchange for or in lieu of a
mutilated, destroyed, lost or stolen Security or a Security to which a
mutilated, destroyed, lost or stolen coupon appertains shall be deemed to
evidence the same debt as the mutilated, destroyed, lost or


                                      6
<PAGE>   14
stolen Security or the Security to which the mutilated, destroyed, lost or
stolen coupon appertains.

         "Redemption Date" means, when used with respect to any Security to be
redeemed in whole or in part, the date fixed for such redemption by or pursuant
to this Indenture.

         "Redemption Price" means, when used with respect to any Security to be
redeemed, the price at which it is to be redeemed pursuant to this Indenture.

         "Registered Security" means any Security which is registered in the
Security Register.

         "Regular Record Date" for the installment of interest payable on any
Interest Payment Date on the Registered Securities of or within any series
means the date specified for that purpose as contemplated by Section 301,
whether or not a Business Day.

         "Repayment Date" means, when used with respect to any Security to be
repaid or repurchased at the option of the Holder, the date fixed for such
repayment or repurchase by or pursuant to this Indenture.

         "Repayment Price" means, when used with respect to any Security to be
repaid or purchased at the option of the Holder, the price at which it is to be
repaid or repurchased pursuant to this Indenture.

         "Representative" means the indenture trustee or other trustee, agent
or representative for an issue of Senior Debt.

         "Responsible Officer" means, any vice president, assistant vice
president, assistant treasurer, assistant secretary or any other officer of the
Trustee customarily performing functions similar to those performed by any of
the above designated officers and having direct responsibility for the
administration of this Indenture, and also, with respect to a particular matter,
any other officer to whom such matter is referred because of such officer's
knowledge of and familiarity with the particular subject.

         "Securities Act" means the Securities Act of 1933, as amended, and the
rules and regulations promulgated thereunder by the Commission.

         "Security" has the meaning stated in the first recital of this
Indenture and, more particularly, means any Security or Securities
authenticated and delivered under this Indenture; provided, however, that if
at any time there is more than one Person acting as Trustee under this
Indenture, "Securities" with respect to the Indenture as to which such Person
is Trustee shall have the meaning stated in the first recital of this Indenture
and shall more particularly mean Securities authenticated and delivered under
this Indenture, exclusive, however, of Securities of or within any series as to
which such Person is not Trustee.

         "Security Register" and "Security Registrar" have the respective
meanings specified in Section 305.

        "Senior Debt" means the principal, premium, if any, unpaid interest
(including interest accruing on or after the filing of any petition in
bankruptcy or for reorganization relating to the Company whether or not a claim
for post-filing interest is allowed in such proceeding), fees, charges,
expenses, reimbursement and indemnification obligations, and all other amounts
payable under or in respect of the following indebtedness of the Company for
money borrowed, whether any such indebtedness exists as of the date of the
Indenture or is created, incurred, assumed or guaranteed after such date:  

                (i)     any debt (a) for money borrowed by the Company, or (b)
        evidenced by a bond, note, debenture, or similar instrument (including
        purchase money obligations) given in connection with the acquisition of
        any business, property or assets, whether by purchase, merger,
        consolidation or otherwise, but shall not include any account payable or
        other obligation created or assumed in the ordinary course of business
        in connection with the obtaining of materials or services, or (c) which
        is a direct or indirect obligation which arises as a result of banker's
        acceptances or bank letters of credit issued to secure obligations of
        the Company, or to secure the payment of revenue bonds issued for the
        benefit of the Company whether contingent or otherwise;

                (ii)     any debt of others described in the preceding clause
        (i) which the Company has guaranteed or for which it is otherwise
        liable;

                (iii)   the obligation of the Company as lessee under any lease
        of property which is reflected on the Company's balance sheet as a
        capitalized lease; and

                (iv)    any deferral, amendment, renewal, extension, supplement
        or refunding of any liability of the kind described in any of the
        preceding clauses (i), (ii) and (iii);

provided, however, that, in computing the indebtedness of the Company, there
shall be excluded any particular indebtedness if, upon or prior to the maturity
thereof, there shall have been deposited with a depository in trust money (or
evidence of indebtedness if permitted by the instrument creating such
indebtedness) in the necessary amount to pay, redeem or satisfy such
indebtedness as it becomes due, and the amount so deposited shall not be
included in any computation of the assets of the Company; provided, further,
that in computing the indebtedness of the Company hereunder, there shall be
excluded
                                      7
<PAGE>   15
 (1) any such indebtedness, obligation or liability referred to in clauses (i)
through (iv) above as to which, in the instrument creating or evidencing the
same or pursuant to which the same is outstanding, it is provided that such
indebtedness, obligation or liability is not superior in right of payment to the
Securities, or ranks pari passu with the Securities, (2) any such indebtedness,
obligation or liability which is subordinated to indebtedness of the Company to
substantially the same extent as or to a greater extent than the Securities are
subordinated, (3) any indebtedness to a subsidiary of the Company and (4)
the Securities.  There is no limit on the amount of Senior Debt that the Company
may incur.

         "Significant Subsidiary" means any Subsidiary which is a "significant
subsidiary" (within the meaning of Regulation S-X, promulgated under the
Securities Act) of the Company.

         "Special Record Date" for the payment of any Defaulted Interest on the
Registered Securities of or within any series means a date fixed by the Trustee
pursuant to Section 307.

         "Stated Maturity" means, when used with respect to any Security or
any installment of principal thereof or interest thereon, the date specified in
such Security or a coupon representing such installment of interest as the
fixed date on which the principal of such Security or such installment of
principal or interest is due and payable.

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

         "Trust Indenture Act" or "TIA" means the Trust Indenture Act of 1939,
as amended and as in force at the date as of which this Indenture was executed,
except as provided in Section 905.

         "Trustee" means the Person named as the "Trustee" in the first
paragraph of this Indenture until a successor Trustee shall have become such
pursuant to the applicable provisions of this Indenture, and thereafter
"Trustee" shall mean or include each Person who is then a Trustee
hereunder; provided, however, that if at any time there is more than one such
Person, "Trustee" as used with respect to the Securities of or within any
series shall mean only the Trustee with respect to the Securities of that
series.

         "United States" means, unless otherwise specified with respect to any
Securities pursuant to Section 301, the United States of America (including the
states and the District of Columbia), its territories, its possessions and
other areas subject to its jurisdiction.

         "United States person" means, unless otherwise specified with respect
to any Securities pursuant to Section 301, an individual who is a citizen or
resident of the United States, a corporation, partnership or other entity
created or organized in or under the laws of the United States of or any state
or the District of Columbia or an estate or trust the income of which is
subject to United States federal income taxation regardless of its


                                      8
<PAGE>   16

source.

         "Yield to Maturity" means the yield to maturity, computed at the time
of issuance of a Security (or, if applicable, at the most recent
predetermination of interest on such Security) and as set forth in such Security
in accordance with generally accepted United States bond yield computation
principles.

         SECTION 102.     Compliance Certificates and Opinions.

         Upon any application or request by the Company to the Trustee to take
any action under any provision of this Indenture, the Company shall furnish to
the Trustee an Officers' Certificate stating that all conditions precedent, if
any, provided for in this Indenture (including covenants, compliance with which
constitute conditions precedent) relating to the proposed action have been
complied with and an Opinion of Counsel stating that in the opinion of such
counsel all such conditions precedent, if any, have been complied with, except
that in the case of any such application or request as to which the furnishing
of such documents is specifically required by any provision of this Indenture
relating to such particular application or request, no additional certificate
or opinion need be furnished. 

         Every certificate or opinion with respect to compliance with a
condition or covenant provided for in this Indenture (excluding certificates
delivered pursuant to Section 1010) shall include:

         (1)     a statement that each individual signing such certificate or
opinion has read such condition or covenant and the definitions herein relating
thereto;

         (2)     a brief statement as to the nature and scope of the
examination or investigation upon which the statements or opinions contained in
such certificate or opinion are based;

         (3)     a statement that, in the opinion of each such individual, he
has made such examination or investigation as is necessary to enable him to
express an informed opinion as to whether or not such condition or covenant has
been complied with; and

         (4)     a statement as to whether, in the opinion of each such
individual, such condition or covenant has been complied with.

         SECTION 103.     Form of Documents Delivered to Trustee.

         In any case where several matters are required to be certified by, or
covered by an opinion of, any specified Person, it is not necessary that all
such matters be certified by, or covered by the opinion of, only one such
Person, or that they be so certified or covered by only one document, but one
such Person may certify or give an opinion as to some matters and one or more
other such Persons as to other matters, and any such Person may certify or give
an opinion as to such matters in one or several documents.

         Any certificate or opinion of an officer of the Company may be based,
insofar as it relates to legal matters, upon an Opinion of Counsel, or a
certificate or representations by counsel, unless such officer knows, or in the
exercise of reasonable care should know, that the opinion, certificate or
representations with respect to the matters upon which his certificate or
opinion is based are erroneous. Any such Opinion of Counsel or certificate or
representations may be based, insofar as it relates to factual matters, upon a
certificate or opinion of, or representations by, an officer or officers of the
Company stating that the information as to such factual matters is in the
possession of the Company, unless such counsel knows that the certificate or
opinion or representations as to such matters are erroneous.

         Where any Person is required to make, give or execute two or more
applications, requests, consents, certificates, statements, opinions or


                                      9
<PAGE>   17

other instruments under this Indenture, they may, but need not, be consolidated
and form one instrument.

         SECTION 104.     Acts of Holders.

         (a)     Any request, demand, authorization, direction, notice, consent,
waiver or other action provided by this Indenture to be given or taken by
Holders of the Outstanding Securities of all series or one or more series, as
the case may be, may be embodied in and evidenced by one or more instruments of
substantially similar tenor signed by such Holders in person or by agents duly
appointed in writing. If Securities of a series are issuable as Bearer
Securities, any request, demand, authorization, direction, notice, consent,
waiver or other action provided by this Indenture to be given or taken by
Holders of Securities of such series may, alternatively, be embodied in and
evidenced by the record of Holders of Securities of such series voting in favor
thereof, whether in person or by proxies duly appointed in writing, at any
meeting of Holders of Securities of such series duly called and held in
accordance with the provisions of Article Fifteen, or a combination of such
instruments and any such record. Except as herein otherwise expressly provided,
such action shall become effective when such instrument or instruments or record
or both are delivered to the Trustee and, where it is hereby expressly required,
to the Company. Such instrument or instruments and any such record (and the
action embodied therein and evidenced thereby) are herein sometimes referred to
as the "Act" of the Holders signing such instrument or instruments or so voting
at any such meeting. Proof of execution of any such instrument or of a writing
appointing any such agent, or of the holding by any Person of a Security, shall
be sufficient for any purpose of this Indenture and (subject to Section 612)
conclusive in favor of the Trustee and the Company and any agent of the Trustee
or the Company, if made in the manner provided in this Section. The record of
any meeting of Holders of Securities shall be proved in the manner provided in
Section 1506.

         (b)     The fact and date of the execution by any Person of any such
instrument or writing may be proved by the affidavit of a witness of such
execution or by a certificate of a notary public or other officer authorized by
law to take acknowledgments of deeds, certifying that the individual signing
such instrument or writing acknowledged to him the execution thereof. Where
such execution is by a signer acting in a capacity other than his individual
capacity, such certificate or affidavit shall also constitute sufficient proof
of his authority. The fact and date of the execution of any such instrument or
writing, or the authority of the Person executing the same, may also be proved
in any other reasonable manner which the Trustee deems sufficient.

         (c)     The ownership of Registered Securities shall be proved by the
Security Register or by a certificate of the Security Registrar.

         (d)     The ownership of Bearer Securities may be proved by the
production of such Bearer Securities or by a certificate executed, as
depository, by any trust company, bank, banker or other depository, wherever
situated, if such certificate shall be deemed by the Trustee to be
satisfactory, showing that at the date therein mentioned such person had on
deposit with such depository, or exhibited to it, the Bearer Securities therein
described; or such facts may be proved by the certificate or affidavit of the
Person holding such Bearer Securities, if such certificate or affidavit is
deemed by the Trustee to be satisfactory. The Trustee and the Company may
assume that such ownership of any Bearer Security continues until (1) another
certificate or affidavit bearing a later date issued in respect of the same
Bearer Security is produced, or (2) such Bearer Security is produced to the
Trustee by some other Person, or (3) such Bearer Security is surrendered in
exchange for a Registered Security, or (4) such Bearer Security is no longer
Outstanding. The ownership of Bearer Securities may also be proved in any other
manner which the Trustee deems sufficient.


                                      10
<PAGE>   18



         (e)     If the Company shall solicit from the Holders of Registered
Securities any request, demand, authorization, direction, notice, consent,
waiver or other Act, the Company may, at its option, in or pursuant to a Board
Resolution, fix in advance a record date for the determination of Holders
entitled to give such request, demand, authorization, direction, notice,
consent, waiver or other Act, but the Company shall have no obligation to do
so.  Notwithstanding TIA Section 316(c), such record date shall be the record
date specified in or pursuant to such Board Resolution, which shall be a date 
not earlier than the date 30 days prior to the first solicitation of
Holders generally in connection therewith and not later than the date such
solicitation is completed.  If such a record date is fixed, such request,
demand, authorization, direction, notice, consent, waiver or other Act may be
given before or after such record date, but only the Holders of record at the
close of business on such record date shall be deemed to be Holders for the
purposes of determining whether Holders of the requisite proportion of
Outstanding Securities have authorized or agreed or consented to such request,
demand, authorization, direction, notice, consent, waiver or other Act, and for
that purpose the Outstanding Securities shall be computed as of such record
date; provided that no such authorization, agreement or consent by the Holders
on such record date shall be deemed effective unless it shall become effective
pursuant to the provisions of this Indenture not later than eleven months after
the record date.

         (f)     Any request, demand, authorization, direction, notice,
consent, waiver or other Act of the Holder of any Security shall bind every
future Holder of the same Security and the Holder of every Security issued upon
the registration of transfer thereof or in exchange therefor or in lieu thereof
in respect of anything done, omitted or suffered to be done by the Trustee, any
Security Registrar, any Paying Agent, any Authenticating Agent or the Company
in reliance thereon, whether or not notation of such action is made upon such
Security.

         SECTION 105.     Notices, etc., to the Trustee and Company.

         Any request, demand, authorization, direction, notice, consent,
waiver, or Act of Holders or other document provided or permitted by this
Indenture to be made upon, given or furnished to or filed with,

         (1)     the Trustee by any Holder or by the Company shall be
sufficient for every purpose hereunder if made, given, furnished or filed in
writing to or with the Trustee at its Corporate Trust Office, Attention:
Corporate Trust Department, or

         (2)     the Company by the Trustee or by any Holder shall be
sufficient for every purpose hereunder (unless otherwise herein expressly
provided) if in writing and mailed, first class postage prepaid, to the Company
addressed to it at the address of its principal office specified in the first
paragraph of this Indenture or at any other address previously furnished in
writing to the Trustee by the Company.

         SECTION 106.     Notice to Holders; Waiver.

         Where this Indenture provides for notice of any event to Holders of
Registered Securities by the Company or the Trustee, such notice shall be
sufficiently given (unless otherwise herein expressly provided) if in writing
and mailed, first-class postage prepaid, to each such Holder affected by such
event, at his address as it appears in the Security Register, not later than
the latest date, and not earlier than the earliest date, prescribed for the
giving of such notice.  In any case where notice to Holders of Registered
Securities is given by mail, neither the failure to mail such notice, nor any
defect in any notice so mailed, to any particular Holder shall affect the
sufficiency of such notice with respect to other Holders of Registered
Securities or the sufficiency of any notice to Holders of Bearer Securities
given as provided herein.  Any notice mailed to a Holder in the manner herein
prescribed shall be conclusively deemed to


                                      11
<PAGE>   19
 
have been received by such Holder, whether or not such Holder actually receives
such notice.

         If by reason of the suspension of or irregularities in regular mail
service or by reason of any other cause it shall be impracticable to give such
notice by mail, then such notification to Holders of Registered Securities as
shall be made with the approval of the Trustee shall constitute a sufficient
notification to such Holders for every purpose hereunder.

         Except as otherwise expressly provided herein or otherwise specified
with respect to any Securities pursuant to Section 301, where this Indenture
provides for notice to Holders of Bearer Securities of any event, such notice
shall be sufficiently given if published in an Authorized Newspaper in The City
of New York and in such other city or cities as may be specified in such
Securities, and if the Securities of such series are listed on any stock
exchange outside the United States, in any place at which such Securities are
listed on a securities exchange to the extent that such securities exchange so
requires, on a Business Day, such publication to be not later than the latest
date, and not earlier than the earliest date, prescribed for the giving of such
notice.  Any such notice shall be deemed to have been given on the date of such
publication or, if published more than once, on the date of the first such
publication.

         If by reason of the suspension of publication of any Authorized
Newspaper or Authorized Newspapers or by reason of any other cause it shall be
impracticable to publish any notice to Holders of Bearer Securities as provided
above, then such notification to Holders of Bearer Securities as shall be given
with the approval of the Trustee shall constitute sufficient notice to such
Holders for every purpose hereunder.  Neither the failure to give notice by
publication to any particular Holder of Bearer Securities as provided above,
nor any defect in any notice so published, shall affect the sufficiency of such
notice with respect to other Holders of Bearer Securities or the sufficiency of
any notice to Holders of Registered Securities given as provided herein.

         Any request, demand, authorization, direction, notice, consent or
waiver required or permitted under this Indenture shall be in the English
language, except that any published notice may be in an official language of
the country of publication.

         Where this Indenture provides for notice in any manner, such notice
may be waived in writing by the Person entitled to receive such notice, either
before or after the event, and such waiver shall be the equivalent of such
notice.  Waivers of notice by Holders shall be filed with the Trustee, but such
filing shall not be a condition precedent to the validity of any action taken
in reliance upon such waiver.

         SECTION 107.     Effect of Headings and Table of Contents.

         The Article and Section headings herein and the Table of Contents are
for convenience only and shall not affect the construction hereof.

         SECTION 108.     Successors and Assigns.

         All covenants and agreements in this Indenture by the Company shall
bind its successors and assigns, whether so expressed or not.

         SECTION 109.     Separability Clause.

         In case any provision in this Indenture or in any Security or coupon
shall be invalid, illegal or unenforceable, the validity, legality and
enforceability of the remaining provisions shall not in any way be affected or
impaired thereby.

         SECTION 110.     Benefits of Indenture.


                                      12
<PAGE>   20
         Nothing in this Indenture or in the Securities or coupons appertaining
thereto, express or implied, shall give to any Person, other than the parties
hereto, any Security Registrar, any Paying Agent, any Authenticating Agent and
their successors hereunder and the holders of Senior Debt or the Holders any
benefit or any legal or equitable right, remedy or claim under this Indenture.

         SECTION 111.     No Personal Liability.

         No recourse under or upon any obligation, covenant or agreement
contained in this Indenture, in any Security or coupon appertaining thereto, or
because of any indebtedness evidenced thereby, shall be had against any
promoter, as such or, against any past, present or future shareholder, officer
or director, as such, of the Company or of any successor, either directly or
through the Company or any successor, under any rule of law, statute or
constitutional provision or by the enforcement of any assessment or by any
legal or equitable proceeding or otherwise, all such liability being expressly
waived and released by the acceptance of the Securities by the Holders thereof
and as part of the consideration for the issue of the Securities.

         SECTION 112.     Governing Law.

         This Indenture and the Securities and coupons shall be governed by and
construed in accordance with the laws of the State of Georgia.  This Indenture
is subject to the provisions of the TIA that are required to be part of this
Indenture and shall, to the extent applicable, be governed by such provisions.

         SECTION 113.     Legal Holidays.

        In any case where any Interest Payment Date, Redemption Date, Repayment
Date, sinking fund payment date, Stated Maturity or Maturity of any Security or
the last date on which a Holder has the right to convert or exchange a Security
at a particular conversion or exchange price shall not be a Business Day at any
Place of Payment, then (notwithstanding any other provision of this Indenture or
any Security or coupon other than a provision in the Securities of any series
which specifically states that such provision shall apply in lieu hereof),
payment of interest or any Additional Amounts or principal (and premium or
Make-Whole Amount, if any) need not be made at such Place of Payment on such
date, conversion or exchange need not be made at such Place of Payment on such
date but may be made on the next succeeding Business Day at such Place of
Payment with the same force and effect as if made on the Interest Payment Date,
Redemption Date, Repayment Date or sinking fund payment date, or at the Stated
Maturity or Maturity or on such last day for conversion or exchange, provided
that no interest shall accrue on the amount so payable for the period from and
after such Interest Payment Date, Redemption Date, Repayment Date, sinking fund
payment date, Stated Maturity or Maturity or on such last day for conversion or
exchange, as the case may be.

                                  ARTICLE TWO

                                SECURITIES FORMS

         SECTION 201.     Forms of Securities.

         The Registered Securities, if any, of each series and the Bearer
Securities, if any, and related coupons of each series, shall be in
substantially the forms as shall be established in or pursuant to one or more
indentures supplemental hereto or Board Resolutions, shall have such
appropriate insertions, omissions, substitutions and other variations as are
required or permitted by this Indenture or any indenture supplemental hereto,
and may have such letters, numbers or other marks of identification or
designation and such legends or endorsements placed thereon as the Company may
deem appropriate and as are not inconsistent with the provisions of this
Indenture, or as may be required to comply with any law or with any rule or
regulation made pursuant thereto or with any rule or regulation of any stock
exchange on which the Securities may be listed, or


                                      13
<PAGE>   21

to conform to usage.

         Unless otherwise specified as contemplated by Section 301, Bearer
Securities shall have interest coupons attached.

         The definitive Securities and coupons shall be printed, lithographed
or engraved or produced by any combination of these methods on a steel engraved
border or steel engraved borders or may be produced in any other manner, all as
determined by the officers of the Company executing such Securities or coupons,
as evidenced by their execution of such Securities or coupons.

         SECTION 202.     Form of Trustee's Certificate of Authentication.

         Subject to Section 611, the Trustee's certificate of authentication
shall be in substantially the following form:

         This is one of the Securities of the series designated therein
referred to in the within-mentioned Indenture.

                           SunTrust Bank, Atlanta, as Trustee



                           By: _________________________________________________
                                                            Authorized Officer

         SECTION 203.     Securities Issuable in Global Form.

         If Securities of or within a series are issuable in global form, as
specified as contemplated by Section 301, then, notwithstanding clause (8) of
Section 301 and the provisions of Section 302, any such Security shall represent
such of the Outstanding Securities of such series as shall be specified therein
and may provide that it shall represent the aggregate amount of Outstanding
Securities of such series from time to time endorsed thereon and that the
aggregate amount of Outstanding Securities of such series represented thereby
may from time to time be increased or decreased to reflect exchanges. Any
endorsement of a Security in global form to reflect the amount, or any increase
or decrease in the amount, of Outstanding Securities represented thereby shall
be made by the Trustee in such manner and upon written instruction given by such
Person or Persons as shall be specified therein or in the Company Order to be
delivered to the Trustee pursuant to Section 303 or 304.  Subject to the
provisions of Section 303 and, if applicable, Section 304, the Trustee shall
deliver and redeliver any Security in permanent global form in the manner and
upon written instruction given by the Person or Persons specified therein or in
the applicable Company Order. If a Company Order pursuant to Section 303 or 304
has been, or simultaneously is, delivered, any instructions by the Company with
respect to endorsement or delivery or redelivery of a Security in global form
shall be in writing but need not comply with Section 102 and need not be
accompanied by an Opinion of Counsel.

         The provisions of the last sentence of Section 303 shall apply to any
Security represented by a Security in global form if such Security was never
issued and sold by the Company and the Company delivers to the Trustee the
Security in global form together with written instructions (which need not
comply with Section 102 and need not be accompanied by an Opinion of Counsel)
with regard to the reduction in the principal amount of Securities represented
thereby, together with the written statement contemplated by the last sentence
of Section 303.

         Notwithstanding the provisions of Section 307, unless otherwise
specified as contemplated by Section 301, payment of principal of and any
premium or Make-Whole Amount and interest on any Security in permanent global
form shall be made to the Person or Persons specified therein.

         Notwithstanding the provisions of Section 308 and except as provided


                                      14
<PAGE>   22

in the preceding paragraph, the Company, the Trustee and any agent of the
Company and the Trustee shall treat as the Holder of such principal amount of
Outstanding Securities represented by a permanent global Security (i) in the
case of a permanent global Security in registered form, the Holder of such
permanent global Security in registered form, or (ii) in the case of a
permanent global Security in bearer form, Euroclear or CEDEL.

                                 ARTICLE THREE

                                 THE SECURITIES

         SECTION 301.     Amount Unlimited; Issuable in Series.

         The aggregate principal amount of Securities which may be
authenticated and delivered under this Indenture is unlimited.

         The Securities may be issued in one or more series.  There shall be
established in or pursuant to one or more Board Resolutions, or indentures
supplemental hereto, prior to the issuance of Securities of any series, any or
all of the following, as applicable, each of which (except for the matters set
forth in clauses (1), (2) and (15) below), if so provided, may be determined
from time to time by the Company with respect to unissued Securities of or
within the series when issued from time to time):

         (1)     the title of the Securities of or within the series (which
shall distinguish the Securities of such series from all other series of
Securities);

         (2)     any limit upon the aggregate principal amount of the
Securities of or within the series that may be authenticated and delivered
under this Indenture (except for Securities authenticated and delivered upon
registration of transfer of, or in exchange for, or in lieu of, other
Securities of or within the series pursuant to Section 304, 305, 306, 906,
1107, or 1305);

         (3)     the date or dates, or the method by which such date or dates
will be determined, on which the principal of the Securities of or within the
series shall be payable and the amount of principal payable thereon;

         (4)     the rate or rates (which may be fixed or variable) at which
the Securities of or within the series shall bear interest, if any, or the
method by which such rate or rates shall be determined, the date or dates from
which such interest shall accrue or the method by which such date or dates
shall be determined, the Interest Payment Dates on which such interest will be
payable and the Regular Record Date, if any, for the interest payable on any
Registered Security on any Interest Payment Date, or the method by which such
date shall be determined, and the basis upon which interest shall be calculated
if other than that of a 360-day year consisting of twelve 30-day months;

         (5)     the place or places, if any, other than or in addition to the
City of Atlanta, Georgia or the Borough of Manhattan, The City of New York,
where the principal of (and premium or Make-Whole Amount, if any), interest, if
any, on, and Additional Amounts, if any, payable in respect of, Securities of
or within the series shall be payable, any Registered Securities of or within
the series may be surrendered for registration of transfer, exchange or
conversion and notices or demands to or upon the Company in respect of the
Securities of or within the series and this Indenture may be served;

         (6)     the period or periods within which, the price or prices 
(including the premium or Make-Whole Amount, if any) at which, the currency or 
currencies, currency unit or units or composite currency or currencies in which
and other terms and conditions upon which Securities of or within the series 
may be redeemed in whole or in part, at the option of the Company, if the 
Company is to have the option;


                                      15
<PAGE>   23
 
         (7)     the obligation, if any, of the Company to redeem, repay or
purchase Securities of or within the series pursuant to any sinking fund or
analogous provision or at the option of a Holder thereof, and the period or
periods within which or the date or dates on which, the price or prices at
which, the currency or currencies, currency unit or units or composite currency
or currencies in which, and other terms and conditions upon which Securities of
or within the series shall be redeemed, repaid or purchased, in whole or in
part, pursuant to such obligation;

         (8)     if other than denominations of $1,000 and any integral
multiple thereof, the denominations in which any Registered Securities of or
within the series shall be issuable and, if other than the denomination of
$5,000, the denomination or denominations in which any Bearer Securities of or
within the series shall be issuable;

         (9)     if other than the Trustee, the identity of each Security
Registrar and/or Paying Agent;

         (10)    if other than the principal amount thereof, the portion of the
principal amount of Securities of or within the series that shall be payable
upon declaration of acceleration of the maturity thereof pursuant to Section
502 or, if applicable, the portion of the principal amount of Securities of or
within the series that is convertible in accordance with the provisions of this
Indenture, or the method by which such portion shall be determined;

         (11)    if other than Dollars, the Foreign Currency or Currencies in
which payment of the principal of (and premium or Make-Whole Amount, if any) or
interest or Additional Amounts, if any, on the Securities of or within the
series shall be payable or in which the Securities of or within the series
shall be denominated;

         (12)    whether the amount of payments of principal of (and premium or
Make-Whole Amount, if any) or interest, if any, on the Securities of or within
the series may be determined with reference to an index, formula or other
method (which index, formula or method may be based, without limitation, on one
or more currencies, currency units, composite currencies, commodities, equity
indices or other indices), and the manner in which such amounts shall be
determined;

         (13)    whether the principal of (and premium or Make-Whole Amount, if
any) or interest or Additional Amounts, if any, on the Securities of or within
the series are to be payable, at the election of the Company or a Holder
thereof, in a currency or currencies, currency unit or units or composite
currency or currencies other than that in which such Securities are denominated
or stated to be payable, the period or periods within which, and the terms and
conditions upon which, such election may be made, and the time and manner of,
and identity of the exchange rate agent with responsibility for, determining
the exchange rate between the currency or currencies, currency unit or units or
composite currency or currencies in which such Securities are denominated or
stated to be payable and the currency or currencies, currency unit or units or
composite currency or currencies in which such Securities are to be so payable;

         (14)    provisions, if any, granting special rights to the Holders of
Securities of or within the series upon the occurrence of such events as may be
specified;

         (15)    any deletions from, modifications of or additions to the
Events of Default or covenants of the Company with respect to Securities of or
within the series, whether or not such Events of Default or covenants are
consistent with the Events of Default or covenants set forth herein;

         (16)    whether Securities of or within the series are to be issuable
as Registered Securities, Bearer Securities (with or without coupons) or both,
any restrictions applicable to the offer, sale or delivery of Bearer


                                      16
<PAGE>   24

Securities and the terms upon which Bearer Securities of or within the series 
may be exchanged for Registered Securities of or within the series and vice 
versa (if permitted by applicable laws and regulations), whether any Securities
of or within the series are to be issuable initially in temporary global form
and whether any Securities of or within the series are to be issuable in
permanent global form (with or without coupons) and, if so, whether beneficial
owners of interests in any such permanent global Security may exchange such
interests for Securities of such series and of like tenor of any authorized
form and denomination and the circumstances under which any such exchanges may
occur, if other than in the manner provided in Section 305, and, if Registered
Securities of or within the series are to be issuable as a global Security, the
identity of the depository for such series;

         (17)    the date as of which any Bearer Securities of or within the
series and any temporary global Security representing Outstanding Securities of
or within the series shall be dated if other than the date of original issuance
of the first Security of the series to be issued;

         (18)    the Person to whom any interest on any Registered Security of
the series shall be payable, if other than the Person in whose name that
Security (or one or more Predecessor Securities) is registered at the close of
business on the Regular Record Date for such interest, the manner in which, or
the Person to whom, any interest on any Bearer Security of the series shall be
payable, if otherwise than upon presentation and surrender of the coupons
appertaining thereto as they severally mature, and the extent to which, or the
manner in which, any interest payable on a temporary global Security on an
Interest Payment Date will be paid if other than in the manner provided in
Section 304;

         (19)    the applicability, if any, of Sections 1402 and/or 1403 to the
Securities of or within the series and any provisions in modification of, in
addition to or in lieu of any of the provisions of Article Fourteen;

         (20)    if the Securities of such series are to be issuable in
definitive form (whether upon original issue or upon exchange of a temporary
Security of such series) only upon receipt of certain certificates or other
documents or satisfaction of other conditions, then the form and/or terms of
such certificates, documents or conditions;

         (21)    if the Securities of or within the series are to be issued
upon the exercise of debt warrants, the time, manner and place for such
Securities to be authenticated and delivered;

         (22)    whether and under what circumstances the Company will pay
Additional Amounts as contemplated by Section 1011 on the Securities of or
within the series to any Holder who is not a United States person (including
any modification to the definition of such term) in respect of any tax,
assessment or governmental charge and, if so, whether the Company will have the
option to redeem such Securities rather than pay such Additional Amounts (and
the terms of any such option);

         (23)    the obligation, if any, of the Company to permit the Securities
of such series to be converted into or exchanged for Common Stock of the
Company or other securities or property of the Company and the terms and
conditions upon which such conversion or exchange shall be effected (including,
without limitation, the initial conversion or exchange price or rate, the
conversion or exchange period, any adjustment of the applicable conversion or
exchange price or rate and any requirements relative to the reservation of such
shares for purposes of conversion or exchange);

         (24)    if convertible or exchangeable, any applicable limitations on
the ownership or transferability of the securities or property into which such
Securities are convertible or exchangeable; and

         (25)    any other terms of the series (which terms shall not be
inconsistent with the provisions of this Indenture, except as permitted by


                                      17
<PAGE>   25
 
Section 905).

         All Securities of any one series and the coupons appertaining to any
Bearer Securities of such series, if any, shall be substantially identical
except, in the case of Registered or Bearer Securities issued in global form,
as to denomination and except as may otherwise be provided in or pursuant to
such Board Resolution or in any such indenture supplemental hereto.  All
Securities of any one series need not be issued at the same time and, unless
otherwise provided, a series may be reopened, without the consent of the
Holders, for issuances of additional Securities of such series.

         If any of the terms of the Securities of any series are established by
action taken pursuant to one or more Board Resolutions, a copy of an
appropriate record of such action(s) shall be certified by the Secretary or an
Assistant Secretary of the Company and delivered to the Trustee at or prior to
the delivery of the Company Order for authentication and delivery of such
Securities.

         SECTION 302.     Denominations.

         The Securities of each series shall be issuable in such denominations
as shall be specified as contemplated by Section 301.  With respect to
Securities of any series denominated in Dollars, in the absence of any such
provisions with respect to the Securities of any series, the Registered
Securities of such series, other than Registered Securities issued in global
form (which may be of any denomination), shall be issuable in denominations of
$1,000 and any integral multiple thereof and the Bearer Securities of such
series other than Bearer Securities issued in global form (which may be of any
denomination), shall be issuable in denominations of $5,000.

         SECTION 303.     Execution, Authentication, Delivery and Dating.

         The Securities and any coupons appertaining thereto shall be executed
on behalf of the Company by its President or a Vice President, under its
corporate seal reproduced thereon, and attested by its Secretary or an
Assistant Secretary.  The signature of any of these officers on the Securities
and coupons may be manual or facsimile signatures of the present or any future
such authorized officer and may be imprinted or otherwise reproduced on the
Securities.

         Securities or coupons appertaining thereto bearing the manual or
facsimile signatures of individuals who were at any time the proper officers of
the Company shall bind the Company, notwithstanding that such individuals or
any of them have ceased to hold such offices prior to the authentication and
delivery of such Securities or did not hold such offices at the date of such
Securities or coupons.

         At any time and from time to time after the execution and delivery of
this Indenture, the Company may deliver Securities of any series, together with
any coupon appertaining thereto, executed by the Company to the Trustee for
authentication, together with a Company Order for the authentication and
delivery of such Securities, and the Trustee in accordance with the Company
Order shall authenticate and deliver such Securities; provided, however, that,
in connection with its original issuance, no Bearer Security shall be mailed or
otherwise delivered to any location in the United States; and provided further
that, unless otherwise specified with respect to any series of Securities
pursuant to Section 301 a Bearer Security may be delivered in connection with
its original issuance only if the Person entitled to receive such Bearer
Security shall have furnished a certificate to Euroclear or CEDEL, as the case
may be, in the form set forth in Exhibit A-1 to this Indenture or such other
certificate as may be specified with respect to any series of Securities
pursuant to Section 301, dated no earlier than 15 days prior to the earlier of
the date on which such Bearer Security is delivered and the date on which any


                                      18
<PAGE>   26

temporary Security first becomes exchangeable for such Bearer Security in
accordance with the terms of such temporary Security and this Indenture.
Except as permitted by Section 306, the Trustee shall not authenticate and
deliver any Bearer Security unless all appurtenant coupons for interest then
matured have been detached and canceled.

         If all of the Securities of any series are not to be issued at one
time and if the Board Resolution or supplemental indenture establishing such
series shall so permit, such Company Order may set forth procedures acceptable
to the Trustee for the issuance of such Securities and determining the terms of
particular Securities of such series, such as interest rate or formula,
maturity date, date of issuance and date from which interest shall accrue.  In
authenticating such Securities, and accepting the additional responsibilities
under this Indenture in relation to such Securities, the Trustee shall be
entitled to receive, and (subject to Section 612 TIA Section 315(a) through 315
(d)) shall be fully protected in conclusively relying upon:

         (i)     an Opinion of Counsel complying with Section 102 and stating
                 that:

                 (a)      the form or forms of such Securities and any coupons
                 have been, or will have been upon compliance with such
                 procedures as may be specified therein, established in
                 conformity with the provisions of this Indenture;

                 (b)      the terms of such Securities and any coupons have
                 been, or will have been upon compliance with such procedures
                 as may be specified therein, established in conformity with
                 the provisions of this Indenture; and

                 (c)      such Securities, together with any coupons
                 appertaining thereto, when completed pursuant to such
                 procedures as may be specified therein, and executed and
                 delivered by the Company to the Trustee for authentication in
                 accordance with this Indenture, authenticated and delivered by
                 the Trustee in accordance with this Indenture and issued by 
                 the Company in the manner and subject to any conditions
                 specified in such Opinion of Counsel, will constitute legal,
                 valid and binding obligations of the Company, enforceable in
                 accordance with their terms, subject to applicable bankruptcy,
                 insolvency, reorganization and other similar laws of general
                 applicability relating to or affecting the enforcement of
                 creditors' rights generally and to general equitable
                 principles and to such other matters as may be specified
                 therein; and

         (ii)    an Officers' Certificate complying with Section 102 and
stating that all conditions precedent provided for in this Indenture relating
to the issuance of such Securities have been, or will have been upon compliance
with such procedures as may be specified therein, complied with and that, to
the best of the knowledge of the signers of such certificate, no Event of
Default with respect to such Securities shall have occurred and be continuing.

         Notwithstanding the provisions of Section 301 and of the preceding
paragraph, if all the Securities of any series are not to be issued at one
time, it shall not be necessary to deliver a Company Order, an Opinion of
Counsel or an Officers' Certificate otherwise required pursuant to the
preceding paragraph at the time of issuance of each Security of such series,
but such order, opinion and certificate, with appropriate


                                      19
<PAGE>   27

modifications to cover such future issuances, shall be delivered at or before
the time of issuance of the first Security of such series.

         The Trustee shall not be required to authenticate such Securities if
the issue of such Securities pursuant to this Indenture will affect the
Trustee's own rights, duties, obligations or immunities under the Securities and
this Indenture or otherwise in a manner which is not reasonably acceptable to
the Trustee.

         Each Registered Security shall be dated the date of its authentication
and each Bearer Security shall be dated as of the date specified as
contemplated by Section 301.

         No Security or coupon appertaining thereto shall be entitled to any
benefit under this Indenture or be valid or obligatory for any purpose unless
there appears on such Security or the Security to which such coupon appertains
a certificate of authentication substantially in the form provided for herein
duly executed by the Trustee by manual signature of an authorized officer, and
such certificate upon any Security shall be conclusive evidence, and the only
evidence, that such Security has been duly authenticated and delivered
hereunder and is entitled to the benefits of this Indenture.  Notwithstanding
the foregoing, if any Security shall have been authenticated and delivered
hereunder but never issued and sold by the Company, and the Company shall
deliver such Security to the Trustee for cancellation as provided in Section
309 together with a written statement (which need not comply with Section 102
and need not be accompanied by an Opinion of Counsel) stating that such
Security has never been issued or sold by the Company, for all purposes of this
Indenture such Security shall be deemed never to have been authenticated and
delivered hereunder and shall never be entitled to the benefits of this
Indenture.

         SECTION 304.     Temporary Securities.

         (a)     Pending the preparation of definitive Securities of any
series, the Company may execute, and upon Company Order the Trustee shall
authenticate and deliver, temporary Securities which are printed, lithographed,
typewritten, mimeographed or otherwise produced, in any authorized
denomination, substantially of the tenor of the definitive Securities in lieu
of which they are issued, in registered form, or, if authorized, in bearer form
with one or more coupons or without coupons, and with such appropriate
insertions, omissions, substitutions and other variations as the officers of
the Company executing such Securities may determine, as conclusively evidenced
by their execution of such Securities.  In the case of Securities of any
series, such temporary Securities may be in global form.

         Except in the case of temporary Securities in global form (which shall
be exchanged in accordance with Section 304(b) or as otherwise provided in or
pursuant to a Board Resolution), if temporary Securities of any series are
issued, the Company will cause definitive Securities of that series to be
prepared without unreasonable delay.  After the preparation of definitive 
Securities of such series, the temporary Securities of such series shall be
exchangeable for definitive Securities of such series upon surrender of the
temporary Securities of such series at the office or agency of the Company in a
Place of Payment for that series, without charge to the Holder.  Upon surrender
for cancellation of any one or more temporary Securities of any series
(accompanied by any non-matured coupons appertaining thereto), the Company
shall execute and the Trustee shall authenticate and deliver in exchange
therefor a like principal amount of definitive Securities of the same series of
authorized denominations; provided, however, that no definitive Bearer Security
shall be delivered in exchange for a temporary Registered Security; and
provided further that a definitive Bearer Security shall be delivered in
exchange for a temporary Bearer Security only in compliance with the conditions
set forth in Section 303.  Until so exchanged, the temporary Securities of any
series shall in all respects be entitled to the same benefits under this
Indenture as definitive Securities of such series.

         (b)     Unless otherwise provided as contemplated in Section 301, this
Section 304(b) shall govern the exchange of temporary Securities issued in
global form other than through the facilities of DTC.  If any such temporary 
Security is issued in global form, then such temporary global Security


                                      20
<PAGE>   28
 
shall, unless otherwise provided therein, be delivered to the London office of
a depository or common depository (the "Common Depository"), for the benefit of
Euroclear and CEDEL.

         Without unnecessary delay but in any event not later than the date
specified in, or determined pursuant to the terms of, any such temporary global
Security (the "Exchange Date"), the Company shall deliver to the Trustee
definitive Securities, in an aggregate principal amount equal to the principal
amount of such temporary global Security, executed by the Company.  On or after
the Exchange Date, such temporary global Security shall be surrendered by the
Common Depository to the Trustee, as the Company's agent for such purpose, to
be exchanged, in whole or from time to time in part, for definitive Securities
without charge, and the Trustee shall authenticate and deliver, in exchange for
each portion of such temporary global Security, an equal aggregate principal
amount of definitive Securities of or within the same series of authorized
denominations and of like tenor as the portion of such temporary global
Security to be exchanged.  The definitive Securities to be delivered in
exchange for any such temporary global Security shall be in bearer form,
registered form, permanent global bearer form or permanent global registered 
form, or any combination thereof, as specified as contemplated by Section 301,
and, if any combination thereof is so specified, as requested by the beneficial
owner thereof; provided, however, that, unless otherwise specified in such
temporary global Security, upon such presentation by the Common Depository,
such temporary global Security is accompanied by a certificate dated
the Exchange Date or a subsequent date and signed by Euroclear as to the
portion of such temporary global Security, if any, held for its account then to
be exchanged and a certificate dated the Exchange Date or a subsequent date and
signed by CEDEL as to the portion of such temporary global Security, if any, 
held for its account then to be exchanged, each in the form set forth in
Exhibit A-2 to this Indenture or in such other form as may be established
pursuant to Section 301; and provided further that definitive Bearer Securities
shall be delivered in exchange for a portion of a temporary global Security
only in compliance with the requirements of Section 303.

         Unless otherwise specified in such temporary global Security, the
interest of a beneficial owner of Securities of a series in a temporary global
Security shall be exchanged for definitive Securities of the same series and of
like tenor following the Exchange Date when the account holder instructs
Euroclear or CEDEL, as the case may be, to request such exchange on his behalf
and delivers to Euroclear or CEDEL, as the case may be, a certificate in the
form set forth in Exhibit A-1 to this Indenture (or in such other form as may
be established pursuant to Section 301), dated no earlier than 15 days prior to
the Exchange Date, copies of which certificate shall be available from the
offices of Euroclear or CEDEL, the Trustee, any Authenticating Agent appointed
for such series of Securities and each Paying Agent.  Unless otherwise
specified in such temporary global Security, any such exchange shall be made
free of charge to the beneficial owners of such temporary global Security,
except that a Person receiving definitive Securities must bear the cost of
insurance, postage, transportation and the like unless such Person takes
delivery of such definitive Securities in person at the offices of Euroclear or
CEDEL.  Definitive Securities in bearer form to be delivered in exchange for 
any portion of a temporary global Security shall be delivered only outside 
the United States.

         Until exchanged in full as hereinabove provided, the temporary
Securities of any series shall in all respects be entitled to the same benefits
under this Indenture as definitive Securities of the same series and of like
tenor authenticated and delivered hereunder, except that, unless otherwise
specified as contemplated by Section 301, interest payable on a temporary
global Security on an Interest Payment Date for Securities of such series
occurring prior to the applicable Exchange Date shall be payable to Euroclear
or CEDEL on such Interest Payment Date upon delivery by Euroclear or CEDEL to
the Trustee of a certificate or certificates in


                                      21
<PAGE>   29
 
the form set forth in Exhibit A-2 to this Indenture (or in such other forms
as may be established pursuant to Section 301), for credit without further
interest on or after such Interest Payment Date to the respective accounts of
Persons who are the beneficial owners of such temporary global Security on such
Interest Payment Date and who have each delivered to Euroclear or CEDEL, as the
case may be, a certificate dated no earlier than 15 days prior to the Interest
Payment Date occurring prior to such Exchange Date in the form set forth as
Exhibit A-1 to this Indenture (or in such other forms as may be established
pursuant to Section 301).  Notwithstanding anything to the contrary herein
contained, the certifications made pursuant to this paragraph shall satisfy the
certification requirements of the preceding two paragraphs of this Section
304(b) and of the third paragraph of Section 303 of this Indenture and the
interests of the Persons who are the beneficial owners of the temporary global
Security with respect to which such certification was made will be exchanged
for definitive Securities of the same series and of like tenor on the Exchange
Date or the date of certification if such date occurs after the Exchange Date,
without further act or deed by such beneficial owners.  Except as otherwise
provided in this paragraph, no payments of principal or interest owing with
respect to a beneficial interest in a temporary global Security will be made
unless and until such interest in such temporary global Security shall have
been exchanged for an interest in a definitive Security.  Any interest so
received by Euroclear or CEDEL and not paid as herein provided shall be
returned to the Trustee prior to the expiration of two years after such
Interest Payment Date in order to be repaid to the Company.

         SECTION 305.     Registration, Registration of Transfer and Exchange.

         The Company shall cause to be kept at the Corporate Trust Office of
the Trustee or in any office or agency of the Company in a Place of Payment a
register for each series of Securities (the registers maintained in such office
or in any such office or agency of the Company in a Place of Payment being
herein sometimes referred to collectively as the "Security Register") in which,
subject to such reasonable regulations as it or the Security Registrar may 
prescribe, the Company shall provide for the registration of Registered
Securities and of transfers of Registered Securities.  The Security Register
shall be in written form or any other form capable of being converted into
written form within a reasonable time.  The Trustee, at its Corporate Trust
Office, is hereby initially appointed "Security Registrar" for the purpose of
registering Registered Securities and transfers of Registered Securities on
such Security Register as herein provided.  In the event that the Trustee shall
cease to be Security Registrar, it shall have the right to examine the Security
Register at all reasonable times and to require that a copy of the Security
Register in written form be delivered to it from time to time as reasonably
requested.

         Subject to the provisions of this Section 305, upon surrender for
registration of transfer of any Registered Security of any series at any office
or agency of the Company in a Place of Payment for that series, the Company
shall execute, and the Trustee shall authenticate and deliver, in the name of
the designated transferee or transferees, one or more new Registered Securities
of the same series, of any authorized denominations and of a like aggregate
principal amount, bearing a number not contemporaneously outstanding, and
containing identical terms and provisions.

         Subject to the provisions of this Section 305, at the option of the
Holder, Registered Securities of any series may be exchanged for other
Registered Securities of the same series, of any authorized denomination or
denominations and of a like aggregate principal amount, containing identical
terms and provisions, upon surrender of the Registered Securities to be
exchanged at any such office or agency. Whenever any such Registered Securities
are so surrendered for exchange, the Company shall execute, and the Trustee
shall authenticate and deliver, the Registered Securities which the Holder
making the exchange is entitled to receive.  Unless otherwise specified with
respect to any series of Securities as contemplated by


                                      22
<PAGE>   30

Section 301, Bearer Securities may not be issued in exchange for Registered
Securities.

         If (but only if) permitted as contemplated by Section 301, at the
option of the Holder, Bearer Securities of any series may be exchanged for
Registered Securities of the same series of any authorized denominations and of
a like aggregate principal amount and tenor, upon surrender of the Bearer
Securities to be exchanged at any such office or agency, with all unmatured
coupons and all matured coupons in default thereto appertaining.  If the Holder
of a Bearer Security is unable to produce any such unmatured coupon or coupons
or matured coupon or coupons in default, any such permitted exchange may be
effected if the Bearer Securities are accompanied by payment in funds
acceptable to the Company in an amount equal to the face amount of such missing
coupon or coupons, or the surrender of such missing coupon or coupons may be
waived by the Company and the Trustee if there is furnished to them such
security or indemnity as they may require to save each of them and any Paying
Agent harmless.  If thereafter the Holder of such Security shall surrender to
any Paying Agent any such missing coupon in respect of which such a payment
shall have been made, such Holder shall be entitled to receive the amount of
such payment; provided, however, that, except as otherwise provided in Section
1002, interest represented by coupons shall be payable only upon presentation
and surrender of those coupons at an office or agency located outside the
United States.  Notwithstanding the foregoing, in case a Bearer Security of any
series is surrendered at any such office or agency in a permitted exchange for
a Registered Security of the same series and like tenor after the close of
business at such office or agency on (i) any Regular Record Date and before the
opening of business at such office or agency on the relevant Interest Payment
Date, or (ii) any Special Record Date and before the opening of business at
such office or agency on the related proposed date for payment of Defaulted
Interest, such Bearer Security shall be surrendered without the coupon relating
to such Interest Payment Date or proposed date for payment, as the case may be,
and interest or Defaulted Interest, as the case may be, will not be payable on
such Interest Payment Date or proposed date for payment, as the case may be, in
respect of the Registered Security issued in exchange for such Bearer Security,
but will be payable only to the Holder of such coupon when due in accordance
with the provisions of this Indenture.  Whenever any Securities are so
surrendered for exchange, the Company shall execute, and the Trustee shall
authenticate and deliver, the Securities which the holder making the exchange
is entitled to receive.

         Notwithstanding the foregoing, except as otherwise specified as
contemplated by Section 301, any permanent global Security shall be
exchangeable only as provided in this paragraph.  If the depository for any
permanent global Security is DTC, then, unless the terms of such global
Security expressly permit such global Security to be exchanged in whole or in
part for definitive Securities, a global Security may be transferred, in whole
but not in part, only to a nominee of DTC, or by a nominee of DTC to DTC, or to
a successor to DTC for such global Security selected or approved by the Company
or to a nominee of such successor to DTC. If at any time DTC notifies the 
Company that it is unwilling or unable to continue as depository for the 
applicable global Security or Securities or if at any time DTC ceases to be
a clearing agency registered under the Exchange Act if so required by
applicable law or regulation, the Company shall appoint a successor depository
with respect to such global Security or Securities.  If (x) a successor
depository for such global Security or Securities is not appointed by the
Company within 90 days after the Company receives such notice or becomes aware
of such unwillingness, inability or ineligibility, (y) an Event of Default has
occurred and is continuing and the beneficial owners representing a majority in
principal amount of the applicable series of Securities represented by such
global Security or Securities advise DTC to cease acting as depository for such
global Security or Securities or (z) the Company, in its sole discretion,
determines at any time that all Outstanding Securities (but not less than all)
of any series issued or issuable in the form of one or more global Securities
shall no longer be


                                      23
<PAGE>   31

represented by such global Security or Securities (provided, however, the
Company may not make such determination during the 40-day restricted period
provided by Regulation S under the Securities Act or during any other similar
period during which the Securities must be held in global form as may be
required by the Securities Act), then the Company shall execute, and the
Trustee shall authenticate and deliver definitive Securities of like series,
rank, tenor and terms in definitive form in an aggregate principal amount equal
to the principal amount of such global Security or Securities.  If any
beneficial owner of an interest in a permanent global Security is otherwise 
entitled to exchange such an interest for Securities of such series and of 
like tenor and principal amount of another authorized form and denomination, 
as specified as contemplated by Section 301 and provided that any applicable 
notice provided in the permanent global Security shall have been given, then 
without unnecessary delay but in any event not later than the earliest date on 
which such interest may be so exchanged, the Company shall execute, and the 
Trustee shall authenticate and deliver definitive Securities in aggregate 
principal amount equal to the principal amount of such beneficial owner's 
interest in such permanent global Security.  On or after the earliest date on 
which such interests may be so exchanged, such permanent global Security shall 
be surrendered for exchange by DTC or such other depository as shall be 
specified in the Company Order with respect thereto to the Trustee, as the 
Company's agent for such purpose; provided, however, that no such exchanges 
may occur during a period beginning at the opening of business 15 days before 
any selection of Securities to be redeemed and ending on the relevant Redemption
Date if the Security for which exchange is requested may be among those
selected for redemption; and provided further that no Bearer Security delivered
in exchange for a portion of a permanent global Security shall be mailed or
otherwise delivered to any location in the United States.  If a Registered
Security is issued in exchange for any portion of a permanent global Security
after the close of business at the office or agency where such exchange occurs
on (i) any Regular Record Date and before the opening of business at such
office or agency on the relevant Interest Payment Date, or (ii) any Special
Record Date and before the opening of business at such office or agency on the
related proposed date for payment of Defaulted Interest, interest or Defaulted
Interest, as the case may be, will not be payable on such Interest Payment Date
or proposed date for payment, as the case may be, in respect of such
Registered Security, but will be payable on such Interest Payment Date or
proposed date for payment, as the case may be, only to the Person to whom
interest in respect of such portion of such permanent global Security is
payable in accordance with the provisions of this Indenture.

         All Securities issued upon any registration of transfer or exchange of
Securities shall be the valid obligations of the Company, evidencing the same
debt, and entitled to the same benefits under this Indenture, as the Securities
surrendered upon such registration of transfer or exchange.

         Every Registered Security presented or surrendered for registration of
transfer or for exchange or redemption shall (if so required by the Company or
the Security Registrar) be duly endorsed, or be accompanied by a written
instrument of transfer in form satisfactory to the Security Registrar, duly
executed by the Holder thereof or his attorney duly authorized in writing.

         No service charge shall be made for any registration of transfer or
exchange of Securities, but the Company may require payment of a sum sufficient
to cover any tax or other governmental charge that may be imposed in
connection with any registration of transfer or exchange of Securities, other
than exchanges pursuant to Section 304, 906, 1107 or 1305 not involving any
transfer.

         The Company or the Trustee, as applicable, shall not be required (i)
to issue, register the transfer of or exchange any Security if such Security
may be among those selected for redemption during a period beginning at the
opening of business 15 days before selection of the Securities to be redeemed
under Section 1103 and ending at the close of


                                      24
<PAGE>   32

business on (A) if such Securities are issuable only as Registered Securities,
the day of the mailing of the relevant notice of redemption and (B) if such
Securities are issuable as Bearer Securities, the day of the first publication
of the relevant notice of redemption or, if such Securities are also issuable
as Registered Securities and there is no publication, the mailing of the
relevant notice of redemption, or (ii) to register the transfer of or exchange
any Registered Security so selected for redemption in whole or in part, except,
in the case of any Registered Security to be redeemed in part, the portion
thereof not to be redeemed, or (iii) to exchange any Bearer Security so
selected for redemption except that such a Bearer Security may be exchanged for
a Registered Security of that series and like tenor, provided that such
Registered Security shall be simultaneously surrendered for redemption, or (iv)
to issue or to register the transfer or exchange of any Security which has been
surrendered for repayment at the option of the Holder, except the portion, if
any, of such Security not to be so repaid.

         SECTION 306.     Mutilated, Destroyed, Lost and Stolen Securities.

         If any mutilated Security or a Security with a mutilated coupon
appertaining to it is surrendered to the Trustee or the Company, together with
such security or indemnity as may be required by the Company or the Trustee to
save each of them or any agent of either of them harmless, the Company shall
execute and the Trustee shall authenticate and deliver in exchange therefor a
new Security of the same series and principal amount, containing identical
terms and provisions and bearing a number not contemporaneously outstanding,
with coupons corresponding to the coupons, if any, appertaining to the
surrendered Security.

         If there shall be delivered to the Company and to the Trustee (i)
evidence to their satisfaction of the destruction, loss or theft of any
Security or coupon, and (ii) such security or indemnity as may be required by
them to save each of them and any agent of either of them harmless, then, in
the absence of actual notice to the Company or the Trustee that such Security
or coupon has been acquired by a bona fide purchaser, the Company shall execute
and upon its request the Trustee shall authenticate and deliver, in lieu of any
such destroyed, lost or stolen Security or in exchange for the Security to
which a destroyed, lost or stolen coupon appertains (with all appurtenant
coupons not destroyed, lost or stolen), a new Security of the same series and
principal amount, containing identical terms and provisions and bearing a
number not contemporaneously outstanding, with coupons corresponding to the
coupons, if any, appertaining to such destroyed, lost or stolen Security or to
the Security to which such destroyed, lost or stolen coupon appertains.

         Notwithstanding the provisions of the previous two paragraphs, in case
any such mutilated, destroyed, lost or stolen Security or coupon has become or
is about to become due and payable, the Company in its discretion may, instead
of issuing a new Security, with coupons corresponding to the coupons, if any,
appertaining to such destroyed, lost or stolen Security or to the Security to
which such destroyed, lost or stolen coupon appertains, pay such Security or
coupon; provided, however, that payment of principal of (and premium or
Make-Whole Amount, if any), any interest on and any Additional Amounts with
respect to Bearer Securities shall, except as otherwise provided in Section
1002, be payable only at an office or agency located outside the United States
and, unless otherwise specified as contemplated by Section 301, any interest on
Bearer Securities shall be payable only upon presentation and surrender of the
coupons appertaining thereto.

         Upon the issuance of any new Security under this Section, the Company
may require the payment of a sum sufficient to cover any tax or other
governmental charge that may be imposed in relation thereto and any other
expenses (including the fees and expenses of the Trustee) connected therewith.


                                      25
<PAGE>   33

         Every new Security of any series with its coupons, if any, issued
pursuant to this Section in lieu of any destroyed, lost or stolen Security, or
in exchange for a Security to which a destroyed, lost or stolen coupon
appertains, shall constitute an original additional contractual obligation of
the Company, whether or not the destroyed, lost or stolen Security and its
coupons, if any, or the destroyed, lost or stolen coupon shall be at any time
enforceable by anyone, and shall be entitled to all the benefits of this
Indenture equally and proportionately with any and all other Securities of that
series and their coupons, if any, duly issued hereunder.

         The provisions of this Section are exclusive and shall preclude (to
the extent lawful) all other rights and remedies with respect to the
replacement or payment of mutilated, destroyed, lost or stolen Securities or
coupons.

         SECTION 307.     Payment of Interest; Interest Rights Preserved.

         Except as otherwise specified with respect to a series of Securities
in accordance with the provisions of Section 301, interest on any Registered
Security that is payable, and is punctually paid or duly provided for, on any
Interest Payment Date shall be paid to the Person in whose name that Security
(or one or more Predecessor Securities) is registered at the close of business
on the Regular Record Date for such interest at the office or agency of the
Company maintained for such purpose pursuant to Section 1002; provided,
however, that each installment of interest on any Registered Security may at
the Company's option be paid by (i) mailing a check for such interest, payable
to or upon the written order of the Person entitled thereto pursuant to Section
308, to the address of such Person as it appears on the Security Register or
(ii) transfer to an account maintained by the payee located inside the United
States.

         Unless otherwise provided as contemplated by Section 301 with respect
to the Securities of any series, payment of interest may be made, in the case
of a Bearer Security, by transfer to an account maintained by the payee with a
bank located outside the United States.

         Unless otherwise provided as contemplated by Section 301, every
permanent global Security will provide that interest, if any, payable on any
Interest Payment Date will be paid to DTC, Euroclear and/or CEDEL, as the case
may be, with respect to that portion of such permanent global Security held for
its account by DTC, Euroclear or CEDEL, as the case may be, for the purpose of
permitting such party to credit the interest received by it in respect of such
permanent global Security to the accounts of the beneficial owners thereof.

         In case a Bearer Security of any series is surrendered in exchange for
a Registered Security of such series after the close of business (at an office
or agency in a Place of Payment for such series) on any Regular Record Date and
before the opening of business (at such office or agency) on the next
succeeding Interest Payment Date, such Bearer Security shall be surrendered
without the coupon relating to such Interest Payment Date and interest will not
be payable on such Interest Payment Date in respect of the Registered Security
issued in exchange for such Bearer Security, but will be payable only to the
Holder of such coupon when due in accordance with the provisions of this
Indenture.

         Except as otherwise specified with respect to a series of Securities
in accordance with the provisions of Section 301, any interest on any
Registered Security of any series that is payable, but is not punctually paid
or duly provided for, on any Interest Payment Date (herein called "Defaulted
Interest") shall forthwith cease to be payable to the registered Holder thereof
on the relevant Regular Record Date by virtue of having been such Holder, and
such Defaulted Interest may be paid by the Company, at its election in each
case, as provided in clause (1) or (2) below:

         (1)     The Company may elect to make payment of any Defaulted Interest


                                      26
<PAGE>   34

to the Persons in whose names the Registered Securities of such series (or
their respective Predecessor Securities) are registered at the close of
business on a Special Record Date for the payment of such Defaulted Interest,
which shall be fixed in the following manner.  The Company shall notify the
Trustee in writing of the amount of Defaulted Interest proposed to be paid on
each Registered Security of such series and the date of the proposed payment
(which shall not be less than 20 days after such notice is received by the
Trustee), and at the same time the Company shall deposit with the Trustee an
amount of money in the currency or currencies, currency unit or units or
composite currency or currencies in which the Securities of such series are
payable (except as otherwise specified pursuant to Section 301 for the
Securities of such series) equal to the aggregate amount proposed to be paid in
respect of such Defaulted Interest or shall make arrangements satisfactory to
the Trustee for such deposit on or prior to the date of the proposed payment,
such money when deposited to be held in trust for the benefit of the Persons
entitled to such Defaulted Interest as in this clause provided.  Thereupon the
Trustee shall fix a Special Record Date for the payment of such Defaulted
Interest which shall be not more than 15 days and not less than 10 days prior
to the date of the proposed payment and not less than 10 days after the receipt
by the Trustee of the notice of the proposed payment.  The Trustee shall
promptly notify the Company of such Special Record Date and, in the name and at
the expense of the Company, shall cause notice of the proposed payment of such
Defaulted Interest and the Special Record Date therefor to be mailed,
first-class postage prepaid, to each Holder of Registered Securities of such
series at his address as it appears in the Security Register not less than 10
days prior to such Special Record Date.  Notice of the proposed payment of such
Defaulted Interest and the Special Record Date therefor having been mailed as
aforesaid, such Defaulted Interest shall be paid to the Persons in whose names
the Registered Securities of such series (or their respective Predecessor
Securities) are registered at the close of business on such Special Record Date
and shall no longer be payable pursuant to the following clause (2).  In case a
Bearer Security of any series is surrendered at the office or agency in a Place
of Payment for such series in exchange for a Registered Security of such series
after the close of business at such office or agency on any Special Record Date
and before the opening of business at such office or agency on the related
proposed date for payment of Defaulted Interest, such Bearer Security shall be
surrendered without the coupon relating to such proposed date of payment and
Defaulted Interest will not be payable on such proposed date of payment in
respect of the Registered Security issued in exchange for such Bearer Security,
but will be payable only to the Holder of such coupon when due in accordance
with the provisions of this Indenture.

         (2)     The Company may make payment of any Defaulted Interest on the
Registered Securities of any series in any other lawful manner not inconsistent
with the requirements of any securities exchange on which such Securities may be
listed, and upon such notice as may be required by such exchange, if, after
written notice given by the Company to the Trustee of the proposed payment
pursuant to this clause, such manner of payment shall be deemed practicable by
the Trustee.

         Subject to the foregoing provisions of this Section and Section 305,
each Security delivered under this Indenture upon registration of transfer of
or in exchange for or in lieu of any other Security shall carry the rights to
interest accrued and unpaid, and to accrue, which were carried by such other
Security.

         Subject to the provisions of Section 1402 and except as otherwise
specified with respect to a series of Securities in accordance with the
provisions of Section 301, in the case of any Security which is converted or
exchanged after any Regular Record Date and on or prior to the next succeeding
Interest Payment Date (other than any Security, the principal of (or premium, if
any, on) which shall become due and payable, whether at a Stated Maturity or by
declaration of acceleration, call for redemption, or otherwise, prior to such
Interest Payment Date), interest whose Stated Maturity is on such Interest
Payment Date shall be payable on such Interest Payment Date notwithstanding such
conversion or exchange, and such interest (whether or not punctually paid or
duly provided for) shall be paid to the Person in whose name that Security (or
one or more Predecessor Securities) is registered at the close of business on
such Regular Record Date.  Except as otherwise expressly provided in the
immediately preceding sentence, in the case of any Security which is converted
or exchanged, interest whose Stated Maturity is after the date of conversion or
exchange of such Security shall not be payable.


         SECTION 308.     Persons Deemed Owners.

         Prior to due presentment of a Registered Security for registration of
transfer, the Company, the Trustee and any agent of the Company or the


                                      27
<PAGE>   35

Trustee may treat the Person in whose name such Registered Security is
registered as the owner of such Security for the purpose of receiving payment
of principal of (and premium or Make-Whole Amount, if any), and (subject to
Sections 305 and 307) interest on, such Registered Security and for all other
purposes whatsoever, whether or not such Registered Security be overdue, and
neither the Company, the Trustee nor any agent of the Company or the Trustee
shall be affected by notice to the contrary.

         Title to any Bearer Security and any coupons appertaining thereto
shall pass by delivery.  The Company, the Trustee and any agent of the Company
or the Trustee may treat the Holder of any Bearer Security and the Holder of
any coupon as the absolute owner of such Security or coupon for the purpose of
receiving payment thereof or on account thereof and for all other purposes
whatsoever, whether or not such Security or coupon be overdue, and neither the
Company, the Trustee nor any agent of the Company or the Trustee shall be
affected by notice to the contrary.

         None of the Company, the Trustee, any Paying Agent or the Security
Registrar will have any responsibility or liability for any aspect of the
records relating to or payments made on account of beneficial ownership
interests of a Security in global form or for maintaining, supervising or
reviewing any record relating to such beneficial ownership interests.

         Notwithstanding the foregoing, with respect to any global Security,
nothing herein shall prevent the Company, the Trustee, or any agent of the
Company or the Trustee, from giving effect to any written certification, proxy
or other authorization furnished by any depository, as a Holder, with respect
to such global Security or impair, as between such depository and owners of
beneficial interests in such global Security, the operation of customary
practices governing the exercise of the rights of such depository (or its
nominee) as Holder of such global Security.

         SECTION 309.     Cancellation.

         All Securities and coupons surrendered for payment, redemption,
repayment at the option of the Holder, registration of transfer or exchange or
for credit against any sinking fund payment shall, if surrendered to any Person
other than the Trustee, be delivered to the Trustee, and any such Securities
and coupons and Securities and coupons surrendered directly to the Trustee for
any such purpose shall be promptly canceled by it.  The Company may at any time
deliver to the Trustee for cancellation any Securities previously authenticated
and delivered hereunder which the Company may have acquired in any manner
whatsoever, and may deliver to the Trustee (or to any other Person for delivery
to the Trustee) for cancellation any Securities previously authenticated
hereunder which the Company has not issued and sold, and all Securities so
delivered shall be promptly canceled by the Trustee.  If the Company shall so
acquire any of the Securities, however, such acquisition shall not operate as a
redemption or satisfaction of the indebtedness represented by such Securities
unless and until the same are surrendered to the Trustee for cancellation.  No
Securities shall be authenticated in lieu of or in exchange for any Securities
canceled as provided in this Section, except as expressly permitted by this
Indenture.  Cancelled Securities and coupons held by the Trustee shall be
destroyed by the Trustee and, if required in writing by the Company, the 
Trustee shall deliver a certificate of such destruction to the Company, unless
by a Company Order the Company directs their return to it.

         SECTION 310.     Computation of Interest.

         Except as otherwise specified as contemplated by Section 301 with
respect to Securities of any series, interest on the Securities of each series
shall be computed on the basis of a 360-day year consisting of twelve 30-day
months.

                                  ARTICLE FOUR


                                      28
<PAGE>   36

                           SATISFACTION AND DISCHARGE

         SECTION 401.     Satisfaction and Discharge of Indenture.

         This Indenture shall upon Company Request cease to be of further
effect with respect to any series of Securities specified in such Company
Request (except as to any surviving rights of registration of transfer or
exchange of Securities of such series herein expressly provided for and any
right to receive Additional Amounts, as provided in Section 1011), and the
Trustee, upon receipt of a Company Order, and at the expense of the Company,
shall execute proper instruments acknowledging satisfaction and discharge of
this Indenture as to such series when

         (1)     either

                 (A)      all Securities of such series theretofore
                 authenticated and delivered and all coupons, if any,
                 appertaining thereto (other than (i) coupons appertaining to
                 Bearer Securities surrendered for exchange for Registered
                 Securities and maturing after such exchange, whose surrender
                 is not required or has been waived as provided in Section 305,
                 (ii) Securities and coupons of such series which have been
                 destroyed, lost or stolen and which have been replaced or paid
                 as provided in Section 306, (iii) coupons appertaining to
                 Securities called for redemption and maturing after the
                 relevant Redemption Date, whose surrender has been waived as
                 provided in Section 1106, and (iv) Securities and coupons of
                 such series for whose payment money has theretofore been
                 deposited in trust or segregated and held in trust by the
                 Company and thereafter repaid to the Company or discharged
                 from such trust, as provided in Section 1003) have been
                 delivered to the Trustee for cancellation; or

                 (B)      all Securities of such series and, in the case of (i)
                 or (ii) below, any coupons appertaining thereto not
                 theretofore delivered to the Trustee for cancellation

                          (i)     have become due and payable, or

                          (ii)    will become due and payable at their Stated
                                  Maturity within one year, or

                          (iii)   if redeemable at the option of the Company,
                                  are to be called for redemption within one
                                  year under arrangements satisfactory to the
                                  Trustee for the giving of notice of
                                  redemption by the Trustee in the name, and at
                                  the expense, of the Company,

                 and the Company, in the case of (i), (ii) or (iii)
                 above, has irrevocably deposited or caused to be deposited
                 with the Trustee as trust funds in trust for the purpose an
                 amount in the currency or currencies, currency unit or units
                 or composite currency or currencies in which the Securities of
                 such series are payable, sufficient to pay and discharge the
                 entire indebtedness on such Securities and such coupons not
                 theretofore delivered to the Trustee for cancellation, for
                 principal (and premium or Make-Whole Amount, if any) and
                 interest, and any Additional Amounts with respect thereto, to
                 the date of such deposit (in the case of Securities which have
                 become due and payable) or the Stated Maturity or Redemption
                 Date, as the case may be;

         (2)     The Company has paid or caused to be paid all or other sums
payable hereunder by the Company; and

         (3)     The Company has delivered to the Trustee an Officers'
Certificate and an Opinion of Counsel, each stating that all conditions
precedent herein provided for relating to the satisfaction and discharge of
this Indenture as to such series have been complied with.


                                      29
<PAGE>   37

         Notwithstanding the satisfaction and discharge of this Indenture, the
obligations of the Company to the Trustee and any predecessor Trustee under
Section 606, the obligations of the Company to any Authenticating Agent under
Section 611 and, if money shall have been deposited with and held by the
Trustee pursuant to subclause (B) of clause (1) of this Section, the
obligations of the Trustee under Section 402 and the last paragraph of Section
1003, shall survive.

         In the event that there are Securities of two or more series
outstanding hereunder, the Trustee shall be required to execute an instrument
acknowledging satisfaction and discharge of this Indenture only if requested to
do so with respect to Securities of a particular series as to which it is
Trustee and if the other conditions thereto are met.

         SECTION 402.     Application of Trust Funds.

         Subject to the provisions of the last paragraph of Section 1003, all
money deposited with the Trustee pursuant to Section 401 shall be held in trust
and applied by it, in accordance with the provisions of the Securities, the
coupons and this Indenture, to the payment, either directly or through any
Paying Agent (including the Company acting as its own Paying Agent) as the
Trustee may determine, to the Persons entitled thereto, of the principal (and
premium or Make-Whole Amount, if any), and any interest and Additional Amounts
for whose payment such money has been deposited with or received by the
Trustee, but such money need not be segregated from other funds except to
the extent required by law. Money deposited pursuant to this section not in
violation of this Indenture shall not be subject to claims of holders of Senior
Debt under Article Seventeen.

                                  ARTICLE FIVE

                                    REMEDIES

         SECTION 501.     Events of Default.

         Subject to any modifications, additions or deletions relating to any
series of Securities as contemplated pursuant to Section 301, "Event of
Default," wherever used herein with respect to any particular series of
Securities, means any one of the following events (whatever the reason for such
Event of Default and whether or not it shall be voluntary or involuntary or be
effected by operation of law or pursuant to any judgment, decree or order of
any court or any order, rule or regulation of any administrative or
governmental body):

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

         (2)     default in the payment of the principal of (or premium or
Make-Whole Amount, if any, on) any Security of that series when it becomes due
and payable at its Maturity; or

         (3)     default in the deposit of any sinking fund payment, when and
as due by the terms of any Security of that series; or

         (4)     default in the performance, or breach, of any covenant or
warranty of the Company in this Indenture with respect to any Security of that
series (other than (i) a covenant or agreement included in this Indenture solely
for the benefit of a series of Securities other than such series or (ii) a
covenant or warranty a default in whose performance or whose breach is elsewhere
in this Section specifically dealt with), and continuance of such default or
breach for a period of 60 days after there has been given, by registered or
certified mail, to the Company by the Trustee or to the Company and the Trustee
by the Holders of at least 25% in principal amount of the Outstanding Securities
of that series a written notice specifying such default or breach and requiring
it to be remedied and stating that such notice is a "Notice of Default"
hereunder;


                                      30
<PAGE>   38



or

         (5)     default under a bond, debenture, note, mortgage, indenture
or instrument under which there may be issued or by which there may be secured
or evidenced any indebtedness for money borrowed by the Company (or by any
Subsidiary, the repayment of which the Company has guaranteed or for which the
Company is directly responsible or liable as obligor or guarantor), having a
principal amount outstanding in excess of $10,000,000 (other than indebtedness
which is non-recourse to the Company or the Subsidiaries), whether such 
indebtedness now exists or shall hereafter be created, which default shall have
resulted in such indebtedness being declared due and payable prior to the date 
on which it would otherwise have become due and payable, without such 
indebtedness having been discharged, or such acceleration having been rescinded
or annulled, within a period of 30 days after there shall have been given, by 
registered or certified mail, to the Company by the Trustee or to the Company 
and the Trustee by the Holders of at least 25% in principal amount of the 
Outstanding Securities of that series a written notice specifying such default 
and requiring the Company to cause such indebtedness to be discharged or cause 
such acceleration to be rescinded or annulled and stating that such notice is 
a "Notice of Default" hereunder; or

         (6)     the Company or any Significant Subsidiary pursuant to or
within the meaning of any Bankruptcy Law:

                 (A)      commences a voluntary case,

                 (B)      consents to the entry of an order for relief against
                          it in an involuntary case,

                 (C)      consents to the appointment of a Custodian of it or
                          for all or substantially all of its property, or

                 (D)      makes a general assignment for the benefit of its
                          creditors; or

         (7)     a court of competent jurisdiction enters an order or decree
under any Bankruptcy Law that:

                 (A)      is for relief against the Company or any Significant
                          Subsidiary in an involuntary case, 

                 (B)      appoints a Custodian of the Company or any 
                          Significant Subsidiary or for all or substantially
                          all of either of its property, or

                 (C)      orders the liquidation of the Company or any
                          Significant Subsidiary,

and the order or decree remains unstayed and in effect for 90 days; or

         (8)     any other Event of Default provided with respect to Securities
of that series.

         As used in this Section 501, the term "Bankruptcy Law" means Title 11,
U.S. Code or any similar Federal or state law for the relief of debtors and the
term "Custodian" means any receiver, trustee, assignee, liquidator or other
similar official under any Bankruptcy Law.

         SECTION 502.     Acceleration of Maturity; Rescission and Annulment.


                                      31
<PAGE>   39



         If an Event of Default with respect to Securities of any series at the
time Outstanding occurs and is continuing, then and in every such case the
Trustee or the Holders of not less than 25% in aggregate principal amount of the
Outstanding Securities of each such affected series (voting as a single class)
may declare the principal (or, if any Securities are Original Issue Discount
Securities or Indexed Securities, such portion of the principal as may be
specified in the terms thereof) of, and the Make-Whole Amount, if any, on, all
the Securities of that series to be due and payable immediately, by a notice in
writing to the Company (and to the Trustee if given by the Holders), and upon
any such declaration such principal or specified portion thereof shall become
immediately due and payable.

         At any time after such a declaration of acceleration with respect to
Securities of any series has been made and before a judgment or decree for
payment of the money due has been obtained by the Trustee as hereinafter in
this Article provided, the Holders of a majority in principal amount of the
Outstanding Securities of that series, by written notice to the Company and the
Trustee, may rescind and annul such declaration and its consequences if:

         (1)     the Company has paid or deposited with the Trustee a sum
sufficient to pay in the currency, currency unit or composite currency in which
the Securities of such series is payable (except as otherwise specified
pursuant to Section 301 for the Securities of such series):

                 (A)      all overdue installments of interest on and any
                          Additional Amounts payable in respect of all
                          Outstanding Securities of that series and any related
                          coupons;

                 (B)      the principal of (and premium or Make-Whole Amount,
                          if any, on) any Outstanding Securities of that series
                          which have become due otherwise than by such
                          declaration of acceleration and interest thereon at
                          the rate or rates borne by or provided for in such
                          Securities;

                 (C)      to the extent that payment of such interest is
                          lawful, interest upon overdue installments of
                          interest and any Additional Amounts at the rate or
                          rates borne by or provided for in such Securities;
                          and

                 (D)      all sums paid or advanced by the Trustee hereunder
                          and the reasonable compensation, expenses,
                          disbursements and advances of the Trustee, its agents
                          and counsel; and

         (2)     all Events of Default with respect to Securities of that
series, other than the nonpayment of the principal of (or premium or Make-Whole
Amount, if any) or interest on Securities of that series which have become due
solely by such declaration of acceleration, have been cured or waived as
provided in Section 513.

         No such rescission shall affect any subsequent default or impair any
right consequent thereon.

         SECTION 503.     Collection of Indebtedness and Suits for Enforcement 
                          by Trustee.

         The Company covenants that if:

         (1)     default is made in the payment of any installment of interest
or Additional Amounts, if any, on any Security of any series and any related
coupon when such interest or Additional Amount becomes due and payable and such
default continues for a period of 30 days, or

         (2)     default is made in the payment of the principal of (or premium
or Make-Whole Amount, if any, on) any Security of any series at its Maturity, 
then the Company will, upon demand of the Trustee, pay to the Trustee, for


                                      32
<PAGE>   40

the benefit of the Holders of such Securities of such series and coupons, the
whole amount then due and payable on such Securities and coupons for principal
(and premium or Make-Whole Amount, if any) and interest and Additional Amounts,
with interest upon any overdue principal (and premium or Make-Whole Amount, if
any) and, to the extent that payment of such interest shall be legally
enforceable, upon any overdue installments of interest or Additional Amounts,
if any, at the rate or rates borne by or provided for in such Securities, and,
in addition thereto, such further amount as shall be sufficient to cover the
costs and expenses of collection, including the reasonable compensation,
expenses, disbursements and advances of the Trustee, its agents and counsel.

         If the Company fails to pay such amounts forthwith upon such demand,
the Trustee, in its own name and as trustee of an express trust, may institute
a judicial proceeding for the collection of the sums so due and unpaid, and may
prosecute such proceeding to judgment or final decree, and may enforce the same
against the Company or any other obligor upon such Securities of such series
and collect the moneys adjudged or decreed to be payable in the manner provided
by law out of the property of the Company or any other obligor upon such
Securities of such series, wherever situated.

         If an Event of Default with respect to Securities of any series occurs
and is continuing, the Trustee may in its discretion proceed to protect and
enforce its rights and the rights of the Holders of Securities of such series
and any related coupons by such appropriate judicial proceedings as the Trustee
shall deem most effectual to protect and enforce any such rights, whether for
the specific enforcement of any covenant or agreement in this Indenture or in
aid of the exercise of any power granted herein, or to enforce any other proper
remedy.

         SECTION 504.     Trustee May File Proofs of Claim.

         In case of the pendency of any receivership, insolvency, liquidation,
bankruptcy, reorganization, arrangement, adjustment, composition or other
judicial proceeding relative to the Company or any other obligor upon the
Securities or the property of the Company or of such other obligor or their
creditors, the Trustee (irrespective of whether the principal of the Securities
of any series shall then be due and payable as therein expressed or by
declaration or otherwise and irrespective of whether the Trustee shall have
made any demand on the Company for the payment of overdue principal, premium or
Make-Whole Amount, if any, or interest) shall be entitled and empowered, by
intervention in such proceeding or otherwise:

         (i)      to file and prove a claim for the whole amount, or such
lesser amount as may be provided for in the Securities of such series, of
principal (and premium or Make-Whole Amount, if any) and interest and
Additional Amounts, if any, owing and unpaid in respect of the Securities and
to file such other papers or documents as may be necessary or advisable in
order to have the claims of the Trustee (including any claim for the reasonable
compensation, expenses, disbursements and advances of the Trustee, its agents
and counsel) and of the Holders allowed in such judicial proceeding, and

         (ii)    to collect and receive any moneys or other property payable or
deliverable on any such claims and to distribute the same;

and any custodian, receiver, assignee, trustee, liquidator, sequestrator (or
other similar official) in any such judicial proceeding is hereby authorized by
each Holder of Securities of such series and coupons to make such payments to
the Trustee, and in the event that the Trustee shall consent to the making of
such payments directly to the Holders, to pay to the Trustee any amount due to
it for the reasonable compensation, expenses, disbursements and advances of the
Trustee and any predecessor Trustee, their agents and counsel, and any other
amounts due the Trustee or any predecessor Trustee under Section 606.


                                      33
<PAGE>   41


         Nothing herein contained shall be deemed to authorize the Trustee to
authorize or consent to or accept or adopt on behalf of any Holder of a
Security or coupon any plan of reorganization, arrangement, adjustment or
composition affecting the Securities or coupons or the rights of any Holder
thereof, or to authorize the Trustee to vote in respect of the claim of any
Holder of a Security or coupon in any such proceeding.

         SECTION 505.     Trustee May Enforce Claims Without Possession of
                          Securities or Coupons.

         All rights of action and claims under this Indenture or any of the
Securities or coupons may be prosecuted and enforced by the Trustee without the
possession of any of the Securities or coupons or the production thereof in any
proceeding relating thereto, and any such proceeding instituted by the Trustee
shall be brought in its own name as trustee of an express trust, and any
recovery of judgment shall, after provision for the payment of the reasonable
compensation, expenses, disbursements and advances of the Trustee, its agents
and counsel, be for the ratable benefit of the Holders of the Securities and
coupons in respect of which such judgment has been recovered.

         SECTION 506.     Application of Money Collected.

         Any money collected by the Trustee pursuant to this Article shall be
applied in the following order, at the date or dates fixed by the Trustee and,
in case of the distribution of such money on account of principal (or premium
or Make-Whole Amount, if any) or interest and any Additional Amounts, upon
presentation of the Securities or coupons, or both, as the case may be, and the
notation thereon of the payment if only partially paid and upon surrender
thereof if fully paid:

         FIRST:  To the payment of all amounts due the Trustee and any
                 predecessor Trustee under Section 606,

         SECOND: To the payment of the amounts then due and unpaid upon the
                 Securities and coupons for principal (and premium or
                 Make-Whole Amount, if any) and interest and any Additional
                 Amounts payable, in respect of which or for the benefit of
                 which such money has been collected, ratably, without
                 preference or priority of any kind, according to the aggregate
                 amounts due and payable on such Securities and coupons for
                 principal (and premium or Make-Whole Amount, if any), interest
                 and Additional Amounts, respectively, and

         THIRD:  To the payment of the remainder, if any, to the Company.

         SECTION 507.     Limitation on Suits.

         No Holder of any Security of any series or any related coupon shall
have any right to institute any proceeding, judicial or otherwise, with respect
to this Indenture, or for the appointment of a receiver or trustee, or for any
other remedy hereunder, unless:

         (1)     such Holder has previously given written notice to the Trustee
of a continuing Event of Default with respect to the Securities of that series;

         (2)     the Holders of not less than 25% in principal amount of the
Outstanding Securities of that series shall have made written request to the
Trustee to institute proceedings in respect of such Event of Default in its own
name as Trustee hereunder;

         (3)     such Holder or Holders have offered to the Trustee indemnity
satisfactory to the Trustee against the costs, expenses and liabilities to be
incurred in compliance with such request;


                                      34
<PAGE>   42

         (4)     the Trustee for 60 days after its receipt of such notice,
request and offer of indemnity has failed to institute any such proceeding; and

         (5)     no direction inconsistent with such written request has been
given to the Trustee during such 60-day period by the Holders of a majority in
principal amount of the Outstanding Securities of that series;

it being understood and intended that no one or more of such Holders shall have
any right in any manner whatever by virtue of, or by availing of, any provision
of this Indenture to affect, disturb or prejudice the rights of any other of
such Holders, or to obtain or to seek to obtain priority or preference over any
other of such Holders or to enforce any right under this Indenture, except in
the manner herein provided and for the equal and ratable benefit of all such
Holders.

         SECTION 508.     Unconditional Right of Holders to Receive Principal,
                          Premium or Make-Whole Amount, if any, Interest and
                          Additional Amounts.

         Notwithstanding any other provision in this Indenture, the Holder of
any Security or coupon shall have the right which is absolute and unconditional
to receive payment of the principal of (and premium or Make-Whole Amount, if
any) and (subject to Sections 305 and 307) interest on, and any Additional
Amounts in respect of, such Security or payment of such coupon on the respective
due dates expressed in such Security or coupon (or, in the case of redemption,
on the Redemption Date), to convert or exchange such Securities in accordance
with Article Sixteen and to institute suit for the enforcement of any such
payment, and such rights shall not be impaired without the consent of such
Holder.

         SECTION 509.     Restoration of Rights and Remedies.

         If the Trustee or any Holder of a Security or coupon has instituted
any proceeding to enforce any right or remedy under this Indenture and such
proceeding has been discontinued or abandoned for any reason, or has been
determined adversely to the Trustee or to such Holder, then and in every such
case the Company, the Trustee and the Holders of Securities and coupons shall,
subject to any determination in such proceeding, be restored severally and
respectively to their former positions hereunder and thereafter all rights and
remedies of the Trustee and the Holders shall continue as though no such
proceeding has been instituted.

         SECTION 510.     Rights and Remedies Cumulative.

         Except as otherwise provided with respect to the replacement or
payment of mutilated, destroyed, lost or stolen Securities or coupons in the
last paragraph of Section 306, no right or remedy herein conferred upon or
reserved to the Trustee or to the Holders of Securities or coupons is intended
to be exclusive of any other right or remedy, and every right and remedy shall,
to the extent permitted by law, be cumulative and in addition to every other
right and remedy given hereunder or now or hereafter existing at law or in
equity or otherwise.  The assertion or employment of any right or remedy
hereunder, or otherwise, shall not prevent the concurrent assertion or
employment of any other appropriate right or remedy.

         SECTION 511.     Delay or Omission Not Waiver.

         No delay or omission of the Trustee or of any Holder of any Security
or coupon to exercise any right or remedy accruing upon any Event of Default
shall impair any such right or remedy or constitute a waiver of any such Event
of Default or any acquiescence therein.  Every right and remedy given by this
Article or by law to the Trustee or to the Holders may be exercised from time
to time, and as often as may be deemed expedient, by the Trustee or by the
Holders of Securities or coupons, as the case may be.

         SECTION 512.     Control by Holders of Securities.


                                      35
<PAGE>   43

         The Holders of not less than a majority in principal amount of the
Outstanding Securities of any series shall have the right to direct the time,
method and place of conducting any proceeding for any remedy available to the
Trustee or exercising any trust or power conferred on the Trustee with respect
to the Securities of such series, provided that:

         (1)     such direction shall not be in conflict with any rule of law
or with this Indenture,

         (2)     the Trustee may take any other action deemed proper by the
Trustee which is not inconsistent with such direction, and

         (3)     the Trustee need not take any action which might involve it in
personal liability or be unduly prejudicial to the Holders of Securities of
such series not joining therein (but the Trustee shall have no obligation as to
the determination of such undue prejudice).

         SECTION 513.     Waiver of Past Defaults.

         The Holders of not less than a majority in principal amount of the
Outstanding Securities of any series may on behalf of the Holders of all the
Securities of such series and any related coupons consent to the waiver of any 
past default hereunder with respect to such series and its consequences, except 
a default

         (1)     in the payment of the principal of (or premium or Make-Whole
Amount, if any) or interest on or Additional Amounts payable in respect of any
Security of such series or any related coupons, or

         (2)     in respect of a covenant or provision hereof which under
Article Nine cannot be modified or amended without the consent of the Holder of
each Outstanding Security of such series affected.

         Upon any such waiver, such default shall cease to exist, and any Event
of Default arising therefrom shall be deemed to have been cured, for every
purpose of this Indenture; but no such waiver shall extend to any subsequent or
other default or Event of Default or impair any right consequent thereon.

         SECTION 514.     Waiver of Stay or Extension Laws.

         The Company covenants (to the extent that it may lawfully do so) that
it will not at any time insist upon, or plead, or in any manner whatsoever
claim or take the benefit or advantage of, any stay or extension law wherever 
enacted, now or at any time hereafter in force, which may affect the covenants 
or the performance of this Indenture; and the Company (to the extent that it 
may lawfully do so) hereby expressly waives all benefit or advantage of any 
such law, and covenants that it will not hinder, delay or impede the execution 
of any power herein granted to the Trustee, but will suffer and permit the 
execution of every such power as though no such law had been enacted.

         SECTION 515.     Undertaking for Costs.

         All parties to this Indenture agree, and each Holder of any Security
by his acceptance thereof shall be deemed to have agreed, that any court may in
its discretion require, in any suit for the enforcement of any right or remedy
under this Indenture, or in any suit against the Trustee for any action taken
or omitted by it as Trustee, the filing by any party litigant in such suit of
an undertaking to pay the costs of such suit, and that such court may in its
discretion assess reasonable costs, including reasonable attorneys' fees,
against any party litigant in such suit having due regard to the merits and
good faith of the claims or defenses made by such party litigant; but the
provisions of this Section shall not apply to any suit instituted by the
Trustee, to any suit instituted by any Holder,


                                      36
<PAGE>   44

or group of Holders, holding in the aggregate more than 10% in principal amount
of the Outstanding Securities, or to any suit instituted by any Holder for the
enforcement of the payment of the principal of (or premium or Make-Whole
Amount, if any) or interest on or Additional Amounts payable with respect to
any Security on or after the respective Stated Maturities expressed in such
Security (or in the case of redemption, on or after the Redemption Date) or to
enforce the right to convert or exchange any Security in accordance with
Article Sixteen.

                                  ARTICLE SIX

                                  THE TRUSTEE

         SECTION 601.     Notice of Defaults.

         Within 90 days after the occurrence of any default hereunder with
respect to the Securities of any series, the Trustee shall transmit in the
manner and to the extent provided in TIA Section 313(c), notice of such default
hereunder actually known to a Responsible Officer of the Trustee, unless such
default shall have been cured or waived; provided, however, that, except in the
case of a default in the payment of the principal of (or premium or Make-Whole
Amount, if any) or interest on or any Additional Amounts with respect to any
Security of such series, or in the payment of any sinking fund installment with
respect to the Securities of such series, the Trustee shall be protected in
withholding such notice if and so long as Responsible Officers of the Trustee in
good faith determine that the withholding of such notice is in the interests of
the Holders of the Securities and coupons of such series; and provided further
that in the case of any default or breach of the character specified in Section
501(4) with respect to the Securities and coupons of such series, no such notice
to Holders shall be given until at least 60 days after the occurrence thereof.
For the purpose of this Section, the term "default" means any event which is, or
after notice or lapse of time or both would become, an Event of Default with
respect to the Securities of such series.

         SECTION 602.     Certain Rights of Trustee.

         Subject to the provisions of TIA Section 315(a) through 315(d):

         (1)     the Trustee shall perform only such duties as are expressly
undertaken by it to perform under this Indenture, and no implied covenants or
obligations shall be read into this Indenture against the Trustee;

         (2)     the Trustee may conclusively rely and shall be fully protected
in acting or refraining from acting upon any resolution, certificate, statement,
instrument, opinion, report, notice, request, direction, consent, order, bond,
debenture, note, coupon or other paper or document believed by it to be genuine
and to have been signed or presented by the proper party or parties;

         (3)     any request or direction of the Company mentioned herein shall
be sufficiently evidenced by a Company Request or Company Order (other than
delivery of any Security, together with any coupons appertaining thereto, to
the Trustee for authentication and delivery pursuant to Section 303 which shall
be sufficiently evidenced as provided therein) and any resolution of the Board
of Directors may be sufficiently evidenced by a Board Resolution;

         (4)     whenever in the administration of this Indenture the Trustee
shall deem it desirable that a matter be proved or established prior to taking,
suffering or omitting any action hereunder, the Trustee (unless other evidence
be herein specifically prescribed) may, in the absence of bad faith on its
part, rely upon an Officers' Certificate;

         (5)     the Trustee may consult with counsel and as a condition to the
taking, suffering or omission of any action hereunder may demand an Opinion of
Counsel, and the advice of such counsel or any Opinion of Counsel shall be full
and complete authorization and protection in respect of any action


                                      37
<PAGE>   45

taken, suffered or omitted by it hereunder in good faith and in reliance
thereon;

         (6)     the Trustee shall be under no obligation to exercise any of the
rights or powers vested in it by this Indenture at the request or direction of
any of the Holders of Securities of any series or any related coupons pursuant
to this Indenture, unless such Holders shall have offered to the Trustee
security or indemnity satisfactory to the Trustee against the costs, expenses
and liabilities which might be incurred by it in compliance with such request or
direction;

         (7)     the Trustee shall not be bound to make any investigation into
the facts or matters stated in any resolution, certificate, statement,
instrument, opinion, report, notice, request, direction, consent, order, bond,
debenture, note, coupon or other paper or document, but the Trustee, in its
discretion, may make such further inquiry or investigation into such facts or
matters as it may see fit, and, if the Trustee shall determine to make such
further inquiry or investigation, it shall be entitled to examine the books,
records and premises of the Company, personally or by agent or attorney;

         (8)     the Trustee may execute any of the trusts or powers hereunder
or perform any duties hereunder either directly or by or through agents,
attorneys, custodians or nominees and the Trustee shall not be responsible for
any misconduct or negligence on the part of any agent, attorney, custodian or
nominee appointed with due care by it hereunder; and

         (9)     the Trustee shall not be liable for any action taken, suffered
or omitted by it in good faith and reasonably believed by it to be authorized or
within the discretion or rights or powers conferred upon it by this Indenture.
The Trustee shall not be required to expend or risk its own funds or otherwise
incur any financial liability in the performance of any of its duties hereunder,
or in the exercise of any of its rights or powers, if it shall have reasonable
grounds for believing that repayment of such funds or indemnity satisfactory to
the Trustee against such risk or liability is not reasonably assured to it.

         SECTION 603.     Not Responsible for Recitals or Issuance of
                          Securities.

         The recitals contained herein and in the Securities, except the
Trustee's certificate of authentication, and in any coupons shall be taken as
the statements of the Company, and neither the Trustee nor any Authenticating
Agent assumes any responsibility for their correctness.  The Trustee makes no
representations as to the validity or sufficiency of this Indenture or of the
Securities or coupons, except that the Trustee represents that it is duly
authorized to execute and deliver this Indenture, authenticate the Securities
and perform its obligations hereunder.  Neither the Trustee nor any
Authenticating Agent shall be accountable for the use or application by the
Company of Securities or the proceeds thereof.

         SECTION 604.     May Hold Securities.

         The Trustee, any Paying Agent, Security Registrar, Authenticating Agent
or any other agent of the Company, in its individual or any other capacity, may
become the owner or pledgee of Securities and coupons and, subject to Section
613 and TIA Sections 310(b) and 311, may otherwise deal with the Company with
the same rights it would have if it were not Trustee, Paying Agent, Security
Registrar, Authenticating Agent or such other agent.

         SECTION 605.     Money Held in Trust.

         Money held by the Trustee in trust hereunder need not be segregated
from other funds except to the extent required by law.  The Trustee shall be
under no liability for interest on, or investment of, any money received by it
hereunder.


                                      38
<PAGE>   46

         SECTION 606.     Compensation and Reimbursement.

         The Company agrees:

         (1)     to pay to the Trustee from time to time reasonable
compensation for all services rendered by it hereunder, including extraordinary
services rendered in connection with or during the continuation of a default
hereunder (which compensation shall not be limited by any provision of law in
regard to the compensation of a trustee of an express trust);

         (2)     to reimburse each of the Trustee and any predecessor Trustee
upon its request for all reasonable expenses, disbursements and advances
incurred or made by it in accordance with any provision of this Indenture
(including the reasonable compensation and the expenses and disbursements of its
agents and counsel), except to the extent any such expense, disbursement or
advance may be attributable to its gross negligence or bad faith; and

         (3)     to indemnify each of the Trustee and any predecessor Trustee
(and each of their respective directors, officers, agents and employees) for,
and to hold each of them harmless against, any loss, liability or expense,
arising out of or in connection with the acceptance or administration of the
trust or trusts or the performance of its duties hereunder, including the costs
and expenses of defending itself against any claim or liability in connection
with the exercise or performance of any of its powers or duties hereunder
except to the extent any such loss, liability or expense may be attributable to
its own gross negligence or bad faith.

         As security for the performance of the obligations of the Company
under this Section, the Trustee shall have a lien prior to the Securities upon
all property and funds held or collected by the Trustee as such, except funds
held in trust for the payment of principal of (or premium or Make-Whole Amount,
if any) or interest on particular Securities or any coupons.

         When the Trustee incurs expenses or renders services in connection
with an Event of Default described in Section 501(6) and (7), such expenses
(including the fees and expenses of its counsel) and the compensation for such
services are intended to constitute expenses of administration under any
Bankruptcy Law.

         The provisions of this Section shall survive the termination of this
Indenture or the resignation or removal of the Trustee.

         SECTION 607.     Corporate Trustee Required; Eligibility.

         There shall at all times be a Trustee hereunder which shall be
eligible to act as Trustee under TIA Section 310(a)(1) and shall have a
combined capital and surplus of at least $50,000,000 or is a subsidiary of a
corporation which shall be a Person that has a combined capital and surplus of
at least $50,000,000 and which unconditionally guarantees the obligations of 
the Trustee hereunder.  If such Trustee or Person publishes reports of
condition at least annually, pursuant to law or the requirements of Federal,
State, Territorial or District of Columbia supervising or examining authority,
then for the purposes of this Section, the combined capital and surplus of such
Trustee or Person shall be deemed to be its combined capital and surplus as set
forth in its most recent report of condition so published.  If at any time the
Trustee shall cease to be eligible in accordance with the provisions of this
Section, it shall resign immediately in the manner and with the effect
hereinafter specified in this Article.

         SECTION 608.     Resignation and Removal; Appointment of Successor.

         (a)     No resignation or removal of the Trustee and no appointment
of a successor Trustee pursuant to this Article shall become effective until
the acceptance of appointment by the successor Trustee in accordance with the
applicable requirements of Section 609.

         (b)     The Trustee may resign at any time with respect to the
Securities of one or more series by giving written notice thereof to the
Company.  If


                                      39
<PAGE>   47

an instrument of acceptance by a successor Trustee shall not have been
delivered to the Trustee within 30 days after the giving of such notice of
resignation, the resigning Trustee may petition any court of competent
jurisdiction for the appointment of a successor Trustee.

         (c)     The Trustee may be removed at any time with respect to the
Securities of any series by Act of the Holders of a majority in principal
amount of the Outstanding Securities of such series delivered to the Trustee
and to the Company.

         (d)     If at any time:

                 (1)      the Trustee shall fail to comply with the provisions
                 of Section 613 or TIA Section 310(b) after written request
                 therefor by the Company or by any Holder of a Security who has
                 been a bona fide Holder of a Security for at least six months,
                 or

                 (2)      the Trustee shall cease to be eligible under Section
                 607 and shall fail to resign after written request therefor by
                 the Company or by any Holder of a Security who has been a bona
                 fide Holder of a Security for at least six months, or

                 (3)      the Trustee shall become incapable of acting or shall
                 be adjudged a bankrupt or insolvent or a receiver of the
                 Trustee or of its property shall be appointed or any public
                 officer shall take charge or control of the Trustee or of its
                 property or affairs for the purpose of rehabilitation,
                 conservation or liquidation,

then, in any such case, (i) the Company by or pursuant to a Board Resolution
may remove the Trustee and appoint a successor Trustee with respect to all
Securities, or (ii) subject to TIA Section 315(e), any Holder of a Security who
has been a bona fide Holder of a Security for at least six months may, on
behalf of himself and all others similarly situated, petition any court of
competent jurisdiction for the removal of the Trustee with respect to all
Securities and the appointment of a successor Trustee or Trustees.

         (e)     If the Trustee shall resign, be removed or become incapable of
acting, or if a vacancy shall occur in the office of Trustee for any cause with
respect to the Securities of one or more series, the Company, by or pursuant to
a Board Resolution, shall promptly appoint a successor Trustee or Trustees with
respect to the Securities of that or those series (it being understood that any
such successor Trustee may be appointed with respect to the Securities of one
or more or all of such series and that at any time there shall be only one
Trustee with respect to the Securities of any particular series).  If, within
one year after such resignation, removal or incapability, or the occurrence of
such vacancy, a successor Trustee with respect to the Securities of any series
shall be appointed by Act of the Holders of a majority in principal amount of
the Outstanding Securities of such series delivered to the Company and the
retiring Trustee, the successor Trustee so appointed shall, forthwith upon its
acceptance of such appointment, become the successor Trustee with respect to
the Securities of such series and to that extent supersede the successor
Trustee appointed by the Company.  If no successor Trustee with respect to the
Securities of any series shall have been so appointed by the Company or the
Holders of Securities and accepted appointment in the manner hereinafter
provided, any Holder of a Security who has been a bona fide Holder of a
Security of such series for at least six months may, on behalf of himself and
all others similarly situated, petition any court of competent jurisdiction for
the appointment of a successor Trustee with respect to Securities of such
series.

         (f)     The Company shall give notice of each resignation and each
removal of the Trustee with respect to the Securities of any series and each
appointment of a successor Trustee with respect to the Securities of


                                      40
<PAGE>   48

any series in the manner provided for notices to the Holders of Securities in
Section 106.  Each notice shall include the name of the successor Trustee with
respect to the Securities of such series and the address of its Corporate Trust
Office.

         SECTION 609.      Acceptance of Appointment By Successor.

         (a)     In case of the appointment hereunder of a successor Trustee
with respect to all Securities, every such successor Trustee shall execute,
acknowledge and deliver to the Company and to the retiring Trustee an
instrument accepting such appointment, and thereupon the resignation or
removal of the retiring Trustee shall become effective and such successor
Trustee, without any further act, deed or conveyance, shall become vested with
all the rights, powers, trusts and duties of the retiring Trustee; but, on
request of the Company or the successor Trustee, such retiring Trustee shall,
upon payment of its charges, execute and deliver an instrument transferring to
such successor Trustee all the rights, powers and trusts of the retiring
Trustee, and shall duly assign, transfer and deliver to such successor Trustee
all property and money held by such retiring Trustee hereunder, subject
nevertheless to its claim, if any, provided for in Section 606.

         (b)     In case of the appointment hereunder of a successor Trustee
with respect to the Securities of one or more (but not all) series, the
Company, the retiring Trustee and each successor Trustee with respect to the
Securities of one or more series shall execute and deliver an indenture
supplemental hereto, pursuant to Article Nine hereof, wherein each successor
Trustee shall accept such appointment and which (1) shall contain such
provisions as shall be necessary or desirable to transfer and confirm to, and
to vest in, each successor Trustee all the rights, powers, trusts and duties of
the retiring Trustee with respect to the Securities of that or those series to
which the appointment of such successor Trustee relates, (2) if the retiring
Trustee is not retiring with respect to all Securities, shall contain such
provisions as shall be deemed necessary or desirable to confirm that all the
rights, powers, trusts and duties of the retiring Trustee with respect to the
Securities of that or those series as to which the retiring Trustee is not
retiring shall continue to be vested in the retiring Trustee, and (3) shall add
to or change any of the provisions of this Indenture as shall be necessary to
provide for or facilitate the administration of the trusts hereunder by more
than one Trustee, it being understood that nothing herein or in such
supplemental indenture shall constitute such Trustees co-trustees of the same
trust and that each such Trustee shall be trustee of a trust or trusts
hereunder separate and apart from any trust or trusts hereunder administered by
any other such Trustee; and upon the execution and delivery of such
supplemental indenture the resignation or removal of the retiring Trustee shall
become effective to the extent provided therein and each such successor
Trustee, without any further act, deed or conveyance, shall become vested with
all the rights, powers, trusts and duties of the retiring Trustee with respect
to the Securities of that or those series to which the appointment of such
successor Trustee relates; but, on request of the Company or any successor
Trustee, such retiring Trustee shall duly assign, transfer and deliver to such
successor Trustee all property and money held by such retiring Trustee
hereunder with respect to the Securities of that or those series to which the
appointment of such successor Trustee relates.

         (c)     Upon request of any such successor Trustee, the Company shall
execute any and all instruments for more fully and certainly vesting in and
confirming to such successor Trustee all such rights, powers and trusts
referred to in paragraph (a) or (b) of this Section, as the case may be.

         (d)     No successor Trustee shall accept its appointment unless at the
time of such acceptance such successor Trustee shall be qualified and eligible
under this Article.

         (e)     All monies due and owing to the Trustee shall be paid before
the Successor Trustee takes over.

         SECTION 610.     Merger, Conversion, Consolidation or Succession to


                                      41
<PAGE>   49
                          Business.

         Any corporation into which the Trustee may be merged or converted or
with which it may be consolidated, or any corporation resulting from any
merger, conversion or consolidation to which the Trustee shall be a party, or
any corporation succeeding to all or substantially all of the corporate trust
business of the Trustee, shall be the successor of the Trustee hereunder,
provided such corporation shall be otherwise qualified and eligible under this
Article, without the execution or filing of any paper or any further act on the
part of any of the parties hereto.  In case any Securities or coupons shall
have been authenticated, but not delivered, by the Trustee then in office, any
successor by merger, conversion or consolidation to such authenticating Trustee
may adopt such authentication and deliver the Securities or coupons so
authenticated with the same effect as if such successor Trustee had itself
authenticated such Securities or coupons.  In case any Securities or coupons
shall not have been authenticated by such predecessor Trustee, any such
successor Trustee may authenticate and deliver such Securities or coupons, in
either its own name or that of its predecessor Trustee, with the full force and
effect which this Indenture provides for the certificate of authentication of
the Trustee.

         SECTION 611.     Appointment of Authenticating Agent.

         At any time when any of the Securities remain Outstanding, the Trustee
may appoint an Authenticating Agent or Agents with respect to one or more series
of Securities which shall be authorized to act on behalf of the Trustee to
authenticate Securities of such series issued upon exchange, registration of
transfer or partial redemption or repayment thereof or pursuant to Section 306,
and Securities so authenticated shall be entitled to the benefits of this
Indenture and shall be valid and obligatory for all purposes as if authenticated
by the Trustee hereunder.  Any such appointment shall be evidenced by an
instrument in writing signed by a Responsible Officer of the Trustee, a copy of
which instrument shall be promptly furnished to the Company. Wherever reference
is made in this Indenture to the authentication and delivery of Securities by
the Trustee or the Trustee's certificate of authentication, such reference shall
be deemed to include authentication and delivery on behalf of the Trustee by an
Authenticating Agent and a certificate of authentication executed on behalf of
the Trustee by an Authenticating Agent.  Each Authenticating Agent shall be
reasonably acceptable to the Company and, except as may otherwise be provided
pursuant to Section 301, shall at all times be a bank or trust company or
corporation organized and doing business and in good standing under the laws of
the United States of America or of any State or the District of Columbia,
authorized under such laws to act as Authenticating Agent, having a combined
capital and surplus of not less than $25,000,000 and subject to supervision or
examination by Federal or State authorities.  If such Authenticating Agent
publishes reports of condition at least annually, pursuant to law or the
requirements of the aforesaid supervising or examining authority, then for the
purposes of this Section, the combined capital and surplus of such
Authenticating Agent shall be deemed to be its combined capital and surplus as
set forth in its most recent report of condition so published.  In case at any
time an Authenticating Agent shall cease to be eligible in accordance with the
provisions of this Section, such Authenticating Agent shall resign immediately
in the manner and with the effect specified in this Section.

         Any corporation into which an Authenticating Agent may be merged or
converted or with which it may be consolidated, or any corporation resulting
from any merger, conversion or consolidation to which such Authenticating Agent
shall be a party, or any corporation succeeding to the corporate agency or
corporate trust business of an Authenticating Agent, shall continue to be an
Authenticating Agent, provided such corporation shall be otherwise eligible
under this Section, without the execution or filing of any paper or further act
on the part of the Trustee or the Authenticating Agent.


                                      42
<PAGE>   50
         An Authenticating Agent for any series of Securities may at any time
resign by giving written notice of resignation to the Trustee for such series
and to the Company.  The Trustee for any series of Securities may at any time
terminate the agency of an Authenticating Agent by giving written notice of
termination to such Authenticating Agent and to the Company.  Upon receiving
such a notice of resignation or upon such a termination, or in case at any time
such Authenticating Agent shall cease to be eligible in accordance with the
provisions of this Section, the Trustee for such series may appoint a successor
Authenticating Agent which shall be acceptable to the Company and shall give
notice of such appointment to all Holders of Securities of or within the series
with respect to which such Authenticating Agent will serve in the manner set
forth in Section 106.  Any successor Authenticating Agent upon acceptance of
its appointment hereunder shall become vested with all the rights, powers and
duties of its predecessor hereunder, with like effect as if originally named as
an Authenticating Agent herein.  No successor Authenticating Agent shall be
appointed unless eligible under the provisions of this Section.

         The Company agrees to pay to each Authenticating Agent from time to
time reasonable compensation including reimbursement of its reasonable expenses
for its services under this Section.

         If an appointment with respect to one or more series is made pursuant
to this Section, the Securities of such series may have endorsed thereon, in
addition to or in lieu of the Trustee's certificate of authentication, an
alternate certificate of authentication substantially in the following form:

         This is one of the Securities of the series designated therein
referred to in the within-mentioned Indenture.

                        SunTrust Bank, Atlanta, as Trustee
                        
                                                            
                        By:                                 
                           ---------------------------------
                                     as Authenticating Agent
                                                            
                        By:                                 
                           ---------------------------------
                                          Authorized Officer


         SECTION 612.     Certain Duties and Responsibilities.

         No provision of this Indenture shall require the Trustee to expend or
risk its own funds or otherwise incur any financial liability in the
performance of its duties hereunder, or in the exercise of any of its rights or
powers, if it shall have reasonable grounds for believing that repayment of
such funds or indemnity satisfactory to the Trustee against such risk or
liability is not reasonably assured to it. Whether or not therein expressly so
provided, every provision of this Indenture relating to the conduct or
affecting the liability of or affording protection to the Trustee shall be
subject to the provisions of this Section.

         SECTION 613.     Conflicting Interests.

         If the Trustee has or shall acquire a conflicting interest within the
meaning of the Trust Indenture Act, the Trustee shall either eliminate such
interest or resign, to the extent and in the manner provided by, and subject to
the provisions of, the Trust Indenture Act and this Indenture. To the extent
permitted by such Act, the Trustee shall not be deemed to have a conflicting
interest by virtue of being a trustee under this Indenture with respect to
Securities of more than one series. In case an Event of Default shall occur and
be continuing, the Trustee shall exercise such of its rights and powers under
the applicable Indenture and use the same degree of care and skill in their
exercise as a prudent person would exercise or use under the circumstances in
the conduct of his own affairs.

                                ARTICLE SEVEN

              HOLDERS' LISTS AND REPORTS BY TRUSTEE AND COMPANY

         SECTION 701.     Disclosure of Names and Addresses of Holders.

         Every Holder of Securities or coupons, by receiving and holding the
same, agrees with the Company and the Trustee that neither the Company nor the
Trustee nor any Authenticating Agent nor any Paying Agent nor any Security
Registrar nor any director, officer, agent or employee of any of them shall be 
held accountable by reason of the disclosure of any information as to the names
and addresses of the Holders of Securities or coupons in accordance with TIA
Section 312,  regardless of the source from which such information was derived,
and that the  Trustee shall not be held accountable by reason of mailing any
material  pursuant to a request made under TIA Section 312(b).

         SECTION 702.     Reports by Trustee.

         Within 60 days after March 15 of each year commencing with the first 
March 15 after the first issuance of Securities pursuant to this Indenture, the
Trustee shall transmit by mail to all Holders of Securities as provided in TIA 
Section 313(c) a brief report dated as of such March 15 if and to the extent 
required by TIA Section 313(a).

                                      43
<PAGE>   51
         SECTION 703.     Reports by Company.

         The Company will:

         (1)     file with the Trustee, within 15 days after the Company is
required to file the same with the Commission, copies of the annual reports and
of the information, documents and other reports (or copies of such portions of
any of the foregoing as the Commission may from time to time by rules and
regulations prescribe) which the Company may be required to file with the
Commission pursuant to Section 13 or Section 15(d) of the Exchange Act; or, if
the Company is not required to file information, documents or reports pursuant
to either of such Sections, then it will file with the Trustee and the
Commission, in accordance with rules and regulations prescribed from time to
time by the Commission, such of the supplementary and periodic information,
documents and reports which may be required pursuant to Section 13 of the
Exchange Act in respect of a security listed and registered on a national
securities exchange as may be prescribed from time to time in such rules and
regulations;

         (2)     file with the Trustee and the Commission, in accordance with
rules and regulations prescribed from time to time by the Commission, such
additional information, documents and reports with respect to compliance by the
Company with the conditions and covenants of this Indenture as may be required
from time to time by such rules and regulations; and

         (3)     transmit by mail to the Holders of Securities, within 30 days
after the filing thereof with the Trustee, in the manner and to the extent
provided in TIA Section 313(c), such summaries of any information, documents
and reports required to be filed by the Company pursuant to paragraphs (1) or
(2) of this Section as may be required by rules and regulations prescribed from
time to time by the Commission.

         SECTION 704.     Company to Furnish Trustee Names and Addresses of
                          Holders.

         The Company will furnish or cause to be furnished to the Trustee:

         (a)     semi-annually, not later than 15 days after the Regular Record
Date for interest for each series of Securities, a list, in such form as the
Trustee may reasonably require, of the names and addresses of the Holders of
Registered Securities of such series as of such Regular Record Date, or if
there is no Regular Record Date for interest for such series of Securities,
semi-annually, upon such dates as are set forth in the Board Resolution or
indenture supplemental hereto authorizing such series, and

         (b)     at such other times as the Trustee may request in writing,
within 30 days after the receipt by the Company of any such request, a list of
similar form and content as of a date not more than 15 days prior to the time
such list is furnished,

provided, however, that, so long as the Trustee is the Security Registrar, no
such lists shall be required to be furnished.

                                 ARTICLE EIGHT

                CONSOLIDATION, MERGER, SALE, LEASE OR CONVEYANCE

         SECTION 801.     Consolidations and Mergers of Company and Sales,
                          Leases and Conveyances Permitted Subject to Certain
                          Conditions.

         The Company may consolidate with, or sell, lease or convey all or
substantially all of its assets to, or merge with or into any other Person,
provided that in any such case, (i) either the Company shall be the continuing
entity, or the successor (if other than the Company) entity shall be a Person
organized and existing under the laws of the United


                                      44
<PAGE>   52
States or a State thereof and such successor entity shall expressly assume the
due and punctual payment of the principal of (and premium or Make-Whole Amount,
if any) and any interest (including all Additional Amounts, if any, payable
pursuant to Section 1011) on all of the Securities, according to their tenor,
the conversion or exchange rights shall be provided for in accordance with
Article Sixteen, if applicable, or as otherwise specified pursuant to Section
301 and the due and punctual performance and observance of all of the covenants
and conditions of this Indenture to be performed by the Company by supplemental
indenture, complying with Article Nine hereof, satisfactory to the Trustee,
executed and delivered to the Trustee by such Person and (ii) immediately after
giving effect to such transaction and treating any indebtedness which becomes an
obligation of the Company or any Subsidiary as a result thereof as having been
incurred by the Company or such Subsidiary at the time of such transaction, no
Event of Default, and no event which, after notice or the lapse of time, or
both, would become an Event of Default, shall have occurred and be continuing.

         SECTION 802.     Rights and Duties of Successor Corporation.

         In case of any such consolidation, merger, sale, lease or conveyance
and upon any such assumption by the successor entity, such successor entity
shall succeed to and be substituted for the Company, with the same effect as if
it had been named herein as the party of the first part, and the predecessor
entity, except in the event of a lease, shall be relieved of any further
obligation under this Indenture and the Securities.  Such successor entity
thereupon may cause to be signed, and may issue either in its own name or in
the name of the Company, any or all of the Securities issuable hereunder which
theretofore shall not have been signed by the Company and delivered to the
Trustee; and, upon the order of such successor entity, instead of the Company,
and subject to all the terms, conditions and limitations in this Indenture
prescribed, the Trustee shall authenticate and shall deliver any Securities
which previously shall have been signed and delivered by the officers of the
Company to the Trustee for authentication, and any Securities which such
successor entity thereafter shall cause to be signed and delivered to the
Trustee for that purpose.  All the Securities so issued shall in all respects
have the same legal rank and benefit under this Indenture as the Securities
theretofore or thereafter issued in accordance with the terms of this Indenture
as though all of such Securities had been issued at the date of the execution
hereof.

         In case of any such consolidation, merger, sale, lease or conveyance,
such changes in phraseology and form (but not in substance) may be made in the
Securities thereafter to be issued as may be appropriate.

         SECTION 803.     Officers' Certificate and Opinion of Counsel.

         Any consolidation, merger, sale, lease or conveyance permitted under
Section 801 is also subject to the condition that the Trustee receive an
Officers' Certificate and an Opinion of Counsel to the effect that any such
consolidation, merger, sale, lease or conveyance, and the assumption by any
successor entity, complies with the provisions of this Article and that all
conditions precedent herein provided for relating to such transaction have been
complied with.

                                  ARTICLE NINE

                            SUPPLEMENTAL INDENTURES

         SECTION 901.     Supplemental Indentures Without Consent of Holders.

         Without the consent of any Holders of Securities or coupons, the
Company, when authorized by or pursuant to a Board Resolution, and the Trustee,
at any time and from time to time, may enter into one or more indentures
supplemental hereto, in form satisfactory to the Trustee, for any of the
following purposes:

         (1)     to evidence the succession of another Person to the Company
and the assumption by any such successor of the covenants of the Company herein


                                      45
<PAGE>   53

and in the Securities contained; or

         (2)     to add to the covenants of the Company for the benefit of the
Holders of all or any series of Securities (and, if such covenants are to be
for the benefit of less than all series of Securities, stating that such
covenants are expressly being included solely for the benefit of such series)
or to surrender any right or power herein conferred upon the Company; or

         (3)     to add any additional Events of Default for the benefit of the
Holders of all or any series of Securities (and if such Events of Default are
to be for the benefit of less than all series of Securities, stating that such
Events of Default are expressly being included solely for the benefit of such
series); provided, however, that in respect of any such additional Events of
Default such supplemental indenture may provide for a particular period of
grace after default (which period may be shorter or longer than that allowed in
the case of other defaults) or may provide for an immediate enforcement upon
such default or may limit the remedies available to the Trustee upon such
default or may limit the right of the Holders of a majority in aggregate
principal amount of that or those series of Securities to which such additional
Events of Default apply to waive such default; or

         (4)     to add to or change any of the provisions of this Indenture to
provide that Bearer Securities may be registrable as to principal, to change or
eliminate any restrictions on the payment of principal of or any premium,
Make-Whole Amount or Interest on Bearer Securities, to permit Bearer Securities
to be issued in exchange for Registered Securities, to permit Bearer Securities
to be issued in exchange for Bearer Securities of other authorized
denominations or to permit or facilitate the issuance of Securities in
uncertificated form, provided that any such action shall not adversely affect
the interests of the Holders of Securities of any series or any related coupons
in any material respect; or

         (5)     to add, change or eliminate any of the provisions of this
Indenture in respect of any series of Securities, provided that any such
addition, change or elimination shall (i) neither (A) apply to any Security of
any series created prior to the execution of such supplemental indenture and
entitled to the benefit of such provision, nor (B) modify the rights of the
Holder of any such Security with respect to such provision; or (ii) become
effective only when there is no Security Outstanding; or

         (6)     to secure the Securities; or

         (7)     to establish the form or terms of Securities of any series and
any related coupons as permitted by Sections 201 and 301, including the
provisions and procedures relating to Securities convertible into or
exchangeable for other securities or property of the Company; or

         (8)     to evidence and provide for the acceptance of appointment
hereunder by a successor Trustee with respect to the Securities of one or more
series and to add to or change any of the provisions of this Indenture as shall
be necessary to provide for or facilitate the administration of the trusts
hereunder by more than one Trustee; or

         (9)     to make provision with respect to the conversion or exchange
rights of Holders pursuant to the requirements of Article Sixteen, including
providing for the conversion or exchange of the Securities into any security or
property of the Company; or

         (10)    to cure any ambiguity, to correct or supplement any provision
herein which may be defective or inconsistent with any other provision herein,
or to make any other provisions with respect to matters or questions arising
under this Indenture which shall not be inconsistent with the provisions of
this Indenture or to make any other changes, provided that in each case, such
provisions shall not adversely affect the interests of the Holders of
Securities of any series or any related coupons in any material respect; or

         (11)    to close this Indenture with respect to the authentication and


                                      46
<PAGE>   54
delivery of additional series of Securities or to qualify, or maintain
qualification of, this Indenture under the TIA; or

         (12)    to supplement any of the provisions of this Indenture to such
extent as shall be necessary to permit or facilitate the defeasance and
discharge of any series of Securities pursuant to Sections 401, 1402 and 1403;
provided in each case that any such action shall not adversely affect the
interests of the Holders of Securities of such series and any related coupons
or any other series of Securities in any material respect.

         SECTION 902.     Supplemental Indentures with Consent of Holders.

         With the consent of the Holders of not less than a majority in
principal amount of all Outstanding Securities affected by such supplemental
indenture, by Act of said Holders delivered to the Company and the Trustee, the
Company, when authorized by or pursuant to a Board Resolution, and the Trustee
may enter into an indenture or indentures supplemental hereto for the purpose
of adding any provisions to or changing in any manner or eliminating any of the
provisions of this Indenture or of modifying in any manner the rights of the
Holders of Securities and any related coupons under this Indenture; provided,
however, that no such supplemental indenture shall, without the consent of the
Holder of each Outstanding Security affected thereby:

         (1)     change the Stated Maturity of the principal of (or premium or
Make-Whole Amount, if any, on) or any installment of principal of or interest
on, any Security; or reduce the principal amount thereof or the rate or amount
of interest thereon or any Additional Amounts payable in respect thereof, or
any premium or Make-Whole Amount payable upon the redemption thereof, or change
any obligation of the Company to pay Additional Amounts pursuant to Section
1011 (except as contemplated by Section 801(i) and permitted by Section
901(1)), or reduce the amount of the principal of an Original Issue Discount
Security or Make-Whole Amount, if any, that would be due and payable upon a
declaration of acceleration of the Maturity thereof pursuant to Section 502 or
the amount thereof provable in bankruptcy pursuant to Section 504, or adversely
affect any right of repayment at the option of the Holder of any Security, or
change any Place of Payment where, or the currency or currencies, currency unit
or units or composite currency or currencies in which, the principal of any
Security or any premium or Make-Whole Amount or any Additional Amounts payable
in respect thereof or the interest thereon is payable, or impair the right to
institute suit for the enforcement of any such payment on or after the Stated
Maturity thereof (or, in the case of redemption or repayment at the option of
the Holder, on or after the Redemption Date or the Repayment Date, as the case
may be); or

         (2)     reduce the percentage in principal amount of the Outstanding
Securities of any series, the consent of whose Holders is required for any such
supplemental indenture, or the consent of whose Holders is required for any
waiver with respect to such series (or compliance with certain provisions of
this Indenture or certain defaults hereunder and their consequences) provided
for in this Indenture, or reduce the requirements of Section 1504 for quorum or
voting; or

         (3)     modify any of the provisions of this Section, Section 513 or
Section 1012, except to increase the required percentage to effect such action
or to provide that certain other provisions of this Indenture cannot be
modified or waived without the consent of the Holder of each Outstanding
Security affected thereby.

         (4)     make any change that adversely affects the right to convert or
exchange any Security as provided in Article Sixteen or pursuant to Section 301
(except as permitted by Section 901(9)) or decrease the conversion or exchange
rate or increase the conversion or exchange price of any such Security.

         It shall not be necessary for any Act of Holders under this Section to
approve the particular form of any proposed supplemental indenture, but it
shall be sufficient if such Act shall approve the substance thereof.

         A supplemental indenture which changes or eliminates any covenant or
other provision of this Indenture which has expressly been included for the


                                      47
<PAGE>   55
benefit of one or more particular series of Securities, or which modifies the
rights of the Holders of Securities of such series with respect to such
covenant or other provision, shall be deemed not to affect the rights under
this Indenture of the Holders of Securities of any other series.

         SECTION 903.     Execution of Supplemental Indentures.

         In executing, or accepting the additional trusts created by, any
supplemental indenture permitted by this Article or the modification thereby of
the trusts created by this Indenture, the Trustee shall be entitled to receive,
and shall be fully protected in relying upon, an Opinion of Counsel and an
Officer's Certificate stating that the execution of such supplemental indenture
is authorized or permitted by this Indenture and that all conditions precedent
to the execution of such supplemental indenture have been complied with.  The
Trustee may, but shall not be obligated to, enter into any such supplemental
indenture which affects the Trustee's own rights, duties or immunities under
this Indenture or otherwise.

         SECTION 904.     Effect of Supplemental Indentures.

         Upon the execution of any supplemental indenture under this Article,
this Indenture shall be modified in accordance therewith, and such supplemental
indenture shall form a part of this Indenture for all purposes; and every
Holder of Securities theretofore or thereafter authenticated and delivered
hereunder and of any coupon appertaining thereto shall be bound thereby.

         SECTION 905.     Conformity with Trust Indenture Act.

         Every supplemental indenture executed pursuant to this Article shall
conform to the requirements of the Trust Indenture Act as then in effect.

         SECTION 906.     Reference in Securities to Supplemental Indentures.

         Securities of any series authenticated and delivered after the
execution of any supplemental indenture pursuant to this Article may, and
shall, if required by the Trustee, bear a notation in form approved by the
Trustee as to any matter provided for in such supplemental indenture.  If the
Company shall so determine, new Securities, of any series so modified as to
conform, in the opinion of the Trustee and the Company, to any such
supplemental indenture may be prepared and executed by the Company and
authenticated and delivered by the Trustee in exchange for Outstanding
Securities of such series.

         SECTION 907.     Notice of Supplemental Indentures.

         Promptly after the execution by the Company and the Trustee of any
supplemental indenture pursuant to the provisions of Section 902, the Company
shall give notice thereof to the Holders of each Outstanding Security affected,
in the manner provided for in Section 106, setting forth in general terms the
substance of such supplemental indenture.

         SECTION 908.     Subordination Unimpaired.

         No provision in any supplemental indenture that affects the superior
position of the holders of Senior Debt shall be effective against holders of
Senior Debt.

                                  ARTICLE TEN

                                   COVENANTS

         SECTION 1001.    Payment of Principal, Premium or Make-Whole Amount,
                          if any, Interest and Additional Amounts.

         The Company covenants and agrees for the benefit of the Holders of
each series of Securities that it will duly and punctually pay the principal of
(and premium or Make-Whole Amount, if any) and interest on and any Additional
Amounts payable in respect of the Securities of that series in accordance with
the terms of such series of Securities, any coupons appertaining thereto and
this Indenture.  Unless otherwise specified as contemplated by Section 301 with
respect to any series of Securities, any


                                      48
<PAGE>   56
interest due on and any Additional Amounts payable in respect of Bearer
Securities on or before Maturity, other than Additional Amounts, if any,
payable as provided in Section 1011 in respect of principal of (or premium or
Make-Whole Amount, if any, on) such a Security, shall be payable only upon
presentation and surrender of the several coupons for such interest
installments as are evidenced thereby as they severally mature.  Unless
otherwise specified with respect to Securities of any series pursuant to
Section 301, at the option of the Company, all payments of principal may be
paid by check to the registered Holder of the Registered Security or other
person entitled thereto against surrender of such Security.

         SECTION 1002.    Maintenance of Office or Agency.

         If Securities of a series are issuable only as Registered Securities,
the Company shall maintain in each Place of Payment for any series of Securities
an office or agency where Securities of that series may be presented or
surrendered for payment or conversion, where Securities of that series may be
surrendered for registration of transfer or exchange, where Securities of that
series may be converted or exchanged in accordance with Article Sixteen and
where notices and demands to or upon the Company in respect of the Securities of
that series and this Indenture may be served.  If Securities of a series are
issuable as Bearer Securities, the Company will maintain: (A) in the City of
Atlanta, Georgia or in the Borough of Manhattan, The City of New York, an office
or agency where any Registered Securities of that series may be presented or
surrendered for payment or conversion, where any Registered Securities of that
series may be surrendered for exchange, where notices and demands to or upon the
Company in respect of the Securities of that series and this Indenture may be
served and where Bearer Securities of that series and related coupons may be
presented or surrendered for payment or conversion in the circumstances
described in the following paragraph (and not otherwise); (B) subject to any
laws or regulations applicable thereto, in a Place of Payment for that series
which is located outside the United States, an office or agency where Securities
of that series and related coupons may be presented and surrendered for payment
(including payment of any Additional Amounts payable on Securities of that
series pursuant to Section 1011) or conversion; provided, however, that if the
Securities of that series are listed on the Luxembourg Stock Exchange, The
International Stock Exchange or any other stock exchange located outside the
United States and such stock exchange shall so require, the Company will
maintain a Paying Agent for the Securities of that series in Luxembourg, London
or any other required city located outside the United States, as the case may
be, so long as the Securities of that series are listed on such exchange; and
(c) subject to any laws or regulations applicable thereto, in each Place of
Payment for that series located outside the United States an office or agency
where any Securities of that series may be surrendered for registration of
transfer, where Securities of that series may be surrendered for exchange and
where notices and demands to or upon the Company in respect of the Securities of
that series and this Indenture may be served.  The Company will give prompt
written notice to the Trustee of the location, and any change in the location,
of each such office or agency.  If at any time the Company shall fail to
maintain any such required office or agency or shall fail to furnish the Trustee
with the address thereof, such presentations, surrenders, notices and demands
may be made or served at the Corporate Trust Office of the Trustee, except that
Bearer Securities of that series and the related coupons may be presented and
surrendered for payment (including payment of any Additional Amounts payable on
Bearer Securities of that series pursuant to Section 1011) at the offices
specified in the Security, in London, England, and the Company hereby appoints
the same as its agent to receive such respective presentations, surrenders,
notices and demands, and the Company hereby appoints the Trustee its agent to
receive all such presentations, surrenders, notices and demands.

         Unless otherwise specified with respect to any Securities pursuant to
Section 301, no payment of principal, premium, Make-Whole Amount or interest on
or Additional Amounts in respect of Bearer Securities shall be made at any
office or agency of the Company in the United States or by


                                      49
<PAGE>   57
check mailed to any address in the United States or by transfer to an account
maintained with a bank located in the United States; provided, however, that,
if the Securities of a series are payable in Dollars, payment of principal of
and any premium and interest on any Bearer Security (including any Additional
Amounts or Make-Whole Amount payable on Securities of such series pursuant to
Section 1011) shall be made at the office of the Company's Paying Agent in the
City of Atlanta, Georgia or the Borough of Manhattan, The City of New York, if 
(but only if) payment in Dollars of the full amount of such principal, premium,
interest, Additional Amounts or Make-Whole Amount, as the case may be, at all 
offices or agencies outside the United States maintained for the purpose by the
Company in accordance with this Indenture, is illegal or effectively precluded 
by exchange controls or other similar restrictions.

         The Company may from time to time designate one or more other offices
or agencies where the Securities of one or more series and related coupons, if
any, may be presented or surrendered for any or all of such purposes, and may
from time to time rescind such designations; provided, however, that no such
designation or rescission shall in any manner relieve the Company of its
obligation to maintain an office or agency in accordance with the requirements
set forth above for Securities of any series for such purposes.  The Company
will give prompt written notice to the Trustee of any such designation or
rescission and of any change in the location of any such other office or
agency.

         Unless otherwise specified with respect to any Securities pursuant to
Section 301, if and so long as the Securities of any series (i) are denominated
in a Foreign Currency or (ii) may be payable in a Foreign Currency, or so long
as it is required under any other provision of the Indenture, then the Company
will maintain with respect to each such series of Securities, or as so
required, at least one exchange rate agent.

         SECTION 1003.    Money for Securities Payments to Be Held in Trust.

         If the Company shall at any time act as its own Paying Agent with
respect to any series of any Securities and any related coupons, it will, on or
before each due date of the principal of (and premium or Make-Whole Amount, if
any), or interest on or Additional Amounts in respect of, any of the Securities
of that series, segregate and hold in trust for the benefit of the Persons
entitled thereto a sum in the currency or currencies, currency unit or units or
composite currency or currencies in which the Securities of such series are
payable (except as otherwise specified pursuant to Section 301 for the
Securities of such series) sufficient to pay the principal (and premium or
Make-Whole Amount, if any) or interest or Additional Amounts so becoming due
until such sums shall be paid to such Persons or otherwise disposed of as
herein provided, and will promptly notify the Trustee of its action or failure
so to act.

         Whenever the Company shall have one or more Paying Agents for any
series of Securities and any related coupons, it will, on or before each due
date of the principal of (and premium or Make-Whole Amount, if any), or
interest on or Additional Amounts in respect of, any Securities of that series,
deposit with a Paying Agent a sum (in the currency or currencies, currency unit
or units or composite currency or currencies described in the preceding
paragraph) sufficient to pay the principal (and premium or Make-Whole Amount,
if any) or interest or Additional Amounts, so becoming due, such sum to be held
in trust for the benefit of the Persons entitled to such principal, premium,
Make-Whole Amount or interest or Additional Amounts and (unless such Paying
Agent is the Trustee) the Company will promptly notify the Trustee of its
action or failure so to act.

         The Company will cause each Paying Agent other than the Trustee to
execute and deliver to the Trustee an instrument in which such Paying Agent
shall agree with the Trustee, subject to the provisions of this Section, that
such Paying Agent will:


                                      50
<PAGE>   58
         (1)     hold all sums held by it for the payment of principal of (and
premium or Make-Whole Amount, if any) or interest on Securities or Additional
Amounts in trust for the benefit of the Persons entitled thereto until such
sums shall be paid to such Persons or otherwise disposed of as herein provided;

         (2)  give the Trustee written notice of any default by the Company (or
any other obligor upon the Securities) in the making of any such payment of
principal (and premium or Make-Whole Amount, if any) or interest or Additional
Amounts; and

         (3)  at any time during the continuance of any such default upon the
written request of the Trustee, forthwith pay to the Trustee all sums so held
in trust by such Paying Agent.

         The Company may at any time, for the purpose of obtaining the
satisfaction and discharge of this Indenture or for any other purpose, pay, or
by Company Order direct any Paying Agent to pay, to the Trustee all sums held in
trust by the Company or such Paying Agent, such sums to be held by the Trustee
upon the same trusts as those upon which such sums were held by the Company or
such Paying Agent; and, upon such payment by any Paying Agent to the Trustee,
such Paying Agent shall be released from all further liability with respect to
such sums.

         Except as otherwise provided in the Securities of any series, any money
deposited with the Trustee or any Paying Agent, or then held by the Company, in
trust for the payment of the principal of (and premium or Make-Whole Amount, if
any) or interest on, or any Additional Amounts in respect of, any Security of
any series and remaining unclaimed for two years after such principal (and
premium or Make-Whole Amount, if any), interest or Additional Amounts has
become due and payable shall be paid to the Company upon Company Request or (if
then held by the Company) shall be discharged from such trust; and the Holder
of such Security shall thereafter, as an unsecured general creditor, look only
to the Company for payment of such principal of (and premium or Make-Whole
Amount, if any) or interest on, or any Additional Amounts in respect of, any
Security, without interest thereon, and all liability of the Trustee or such
Paying Agent with respect to such trust money, and all liability of the Company
as trustee thereof, shall thereupon cease; provided, however, that the Trustee
or such Paying Agent, before being required to make any such repayment, may at
the expense of the Company cause to be published once, in an Authorized
Newspaper, notice that such money remains unclaimed and that, after a date
specified therein, which shall not be less than 30 days from the date of such
publication, any unclaimed balance of such money then remaining will be repaid
to the Company.

         SECTION 1004.   (Omitted.)

         SECTION 1005.   Existence.

         Subject to Article Eight, the Company will do or cause to be done all
things necessary to preserve and keep in full force and effect the existence,
rights (charter and statutory) and franchises of the Company and its
Subsidiaries; provided, however, that the Company shall not be required to
preserve any right or franchise if the Board of Directors shall determine that
the preservation thereof is no longer desirable in the conduct of the business
of the Company and its Subsidiaries as a whole and that the loss thereof is not
disadvantageous in any material respect to the Holders of Securities of any
series.

         SECTION 1006.  Maintenance of Properties.

         The Company will cause all of its material properties used or useful in
the conduct of its business or the business of any Subsidiary to be maintained
and kept in good condition, repair and working order and supplied with all
necessary equipment and will cause to be made all necessary repairs,



                                      51
<PAGE>   59

renewals, replacements, betterments and improvements thereof, all as in the
judgment of the Company may be necessary so that the business carried on in
connection therewith may be properly and advantageously conducted at all times;
provided, however, that nothing in this Section shall prevent the Company or
any Subsidiary from selling or otherwise disposing of its properties in the 
ordinary course of its business.

         SECTION 1007.  Insurance.

         The Company will, and will cause each of its Subsidiaries to, keep all
its insurable properties insured against loss or damage with commercially
reasonable amounts and types of insurance provided by insurers of recognized
responsibility.

         SECTION 1008.  Payment of Taxes and Other Claims.

         The Company will pay or discharge or cause to be paid or discharged,
before the same shall become delinquent, (1) all taxes, assessments and
governmental charges levied or imposed upon it or any Subsidiary or upon the
income, profits or property of the Company or any Subsidiary, and (2) all
lawful claims for labor, materials and supplies which, if unpaid, might by law
become a lien upon the property of the Company or any Subsidiary; provided,
however, that the Company shall not be required to pay or discharge or cause to
be paid or discharged any such tax, assessment, charge or claim whose amount,
applicability or validity is being contested in good faith by appropriate
proceedings.

         SECTION 1009.  Provision of Financial Information.

         Whether or not the Company is subject to Section 13 or 15(d) of the
Exchange Act, the Company will, to the extent permitted under the Exchange Act,
file with the Commission the annual reports, quarterly reports and other
documents which the Company would have been required to file with the
Commission pursuant to such Section 13 or 15(d) (the "Financial Statements") if
the Company were so subject, such documents to be filed with the Commission on
or prior to the respective dates (the "Required Filing Dates") by which the
Company would have been required so to file such documents if the Company were
so subject.

         The Company will also in any event (x) within 15 days of each Required
Filing Date file with the Trustee copies of annual reports, quarterly reports
and other documents which the Company would have been required to file with the
Commission pursuant to Section 13 or 15(d) of the Exchange Act if the Company
were subject to such Sections and (y) if filing such documents by the Company
with the Commission is not permitted under the Exchange Act, promptly upon
written request and payment of the reasonable cost of duplication and delivery,
supply copies of such documents to any prospective Holder.

         SECTION 1010.    Statement as to Compliance.

         The Company will deliver to the Trustee within 120 days after the end
of each fiscal year, a brief certificate from the principal executive officer,
principal financial officer or principal accounting officer as to his or her
knowledge of the Company's compliance with all conditions and covenants under
this Indenture and, in the event of any noncompliance, specifying such
noncompliance and the nature and status thereof.  For purposes of this Section
1010, such compliance shall be determined without regard to any period of grace
or requirement of notice under this Indenture.


                                      52
<PAGE>   60

         SECTION 1011.    Additional Amounts.

         If any Securities of a series provide for the payment of Additional
Amounts, the Company will pay to the Holder of any Security of such series or
any coupon appertaining thereto Additional Amounts as may be specified as
contemplated by Section 301.  Whenever in this Indenture there is mentioned, in
any context except in the case of Section 502(1), the payment of the principal
of or any premium, Make-Whole Amount or interest on, or in respect of, any
Security of any series or payment of any related coupon or the net proceeds
received on the sale or exchange of any Security of any series, such mention
shall be deemed to include mention of the payment of Additional Amounts provided
by the terms of such series established pursuant to Section 301 to the extent
that, in such context, Additional Amounts are, were or would be payable in
respect thereof pursuant to such terms and express mention of the payment of
Additional Amounts (if applicable) in any provisions hereof shall not be
construed as excluding Additional Amounts in those provisions hereof where such
express mention is not made.

         Except as otherwise specified as contemplated by Section 301, if the
Securities of a series provide for the payment of Additional Amounts, at least
10 days prior to the first Interest Payment Date with respect to that series of
Securities (or if the Securities of that series will not bear interest prior to
Maturity, the first day on which a payment of principal and any premium is
made), and at least 10 days prior to each date of payment of principal and any
premium or Make-Whole Amount or interest if there has been any change with
respect to the matters set forth in the below-mentioned Officers' Certificate,
the Company will furnish the Trustee and the Company's principal Paying Agent or
Paying Agents, if other than the Trustee, with an Officers' Certificate
instructing the Trustee and such Paying Agent or Paying Agents whether such
payment of principal of and any premium or interest on the Securities of that
series shall be made to Holders of Securities of that series or any related
coupons who are not United States persons without withholding for or on account
of any tax, assessment or other governmental charge described in the Securities
of or within the series.  If any such withholding shall be required, then such
Officers' Certificate shall specify by country the amount, if any, required to
be withheld on such payments to such Holders of Securities of that series or
related coupons and the Company will pay to the Trustee or such Paying Agent the
Additional Amounts, if any, required by the terms of such Securities.  In the
event that the Trustee or any Paying Agent, as the case may be, shall not so
receive the above mentioned certificate, then the Trustee or such Paying Agent
shall be entitled (i) to assume that no such withholding or deduction is
required with respect to any payment of principal or interest with respect to
any Securities of a series or related coupons until it shall have received a
certificate advising otherwise and (ii) to make all payments of principal and
interest with respect to the Securities of a series or related coupons without
withholding or deductions until otherwise advised.  The Company covenants to
indemnify the Trustee and any Paying Agent and their respective officers,
directors, employees and agents for, and to hold them harmless against, any
loss, liability or expense (including legal fees and expenses) reasonably
incurred without gross negligence or bad faith on their part arising out of or
in connection with actions taken or omitted by any of them in reliance on any
Officers' Certificate furnished pursuant to this Section or in reliance on the
Company's not furnishing such an Officers' Certificate.

         SECTION 1012.    Waiver of Certain Covenants.

         The Company may omit in any particular instance to comply with any
term, provision or condition set forth in Sections 1004 to 1009, inclusive, and
with any other term, provision or condition with respect to the Securities of
any series specified in accordance with Section 301 (except any such term,
provision or condition which could not be amended without the consent of all
Holders of Securities of such series pursuant to Section 902), if before or
after the time for such compliance the Holders of at least a majority in
principal amount of all outstanding Securities of such


                                      53
<PAGE>   61

series, by Act of such Holders, either waive such compliance in such instance
or generally waive compliance with such covenant or condition, but no such
waiver shall extend to or affect such covenant or condition except to the
extent so expressly waived, and, until such waiver shall become effective, the
obligations of the Company and the duties of the Trustee in respect of any such
term, provision or condition shall remain in full force and effect.

                                 ARTICLE ELEVEN

                            REDEMPTION OF SECURITIES

         SECTION 1101.    Applicability of Article.

         Securities of any series which are redeemable before their Stated
Maturity shall be redeemable in accordance with their terms and (except as
otherwise specified as contemplated by Section 301 for Securities of any
series) in accordance with this Article.

         SECTION 1102.    Election to Redeem; Notice to Trustee.

         The election of the Company to redeem any Securities shall be evidenced
by or pursuant to a Board Resolution.  In case of any redemption at the election
of the Company of less than all of the Securities of any series, the Company
shall, at least 45 days prior to the giving of the notice of redemption in
Section 1104 (unless a shorter notice shall be satisfactory to the Trustee),
notify the Trustee, in writing, of such Redemption Date and of the principal
amount of Securities of such series to be redeemed.  In the case of any
redemption of Securities prior to the expiration of any restriction on such
redemption provided in the terms of such Securities or elsewhere in this
Indenture, the Company shall furnish the Trustee with an Officer's Certificate
and Opinion of Counsel evidencing compliance with such restriction.

         SECTION 1103.    Selection by Trustee of Securities to Be Redeemed.

         If less than all the Securities of any series issued with the same
terms are to be redeemed, the particular Securities to be redeemed shall be
selected not more than 60 days prior to the Redemption Date by the Trustee, from
the Outstanding Securities of such series issued on such date with the same
terms not previously called for redemption, by such method as the Trustee shall
deem fair and appropriate and which may provide for the selection for redemption
of portions (equal to the minimum authorized denomination for Securities of that
series or any integral multiple thereof) of the principal amount of Securities
of such series of a denomination larger than the minimum authorized denomination
for Securities of that series.

         If any Security selected for partial redemption is converted in part
before termination of the conversion or exchange right with respect to the
portion of the Security so selected, the converted or exchanged portion of such
Security shall be deemed (so far as may be) to be the portion selected for
redemption. Securities which have been converted or exchanged during a selection
of Securities to be redeemed shall be treated by the Trustee as Oustanding for
the purpose of such selection. In any case where more than one Security is
registered in the same name, the Trustee in its discretion may treat the
aggregate principal amount so registered as if it were represented by one
Security.

         The Trustee shall promptly notify the Company and the Security
Registrar (if other than itself) in writing of the Securities selected for
redemption and, in the case of any Securities selected for partial redemption,
the principal amount thereof to be redeemed.

         For all purposes of this Indenture, unless the context otherwise
requires, all provisions relating to the redemption of Securities shall relate,
in the case of any Security redeemed or to be redeemed only in part, to the
portion of the principal amount of such Security which has been or is to be
redeemed.

         SECTION 1104.    Notice of Redemption.

         Notice of redemption shall be given in the manner provided in Section
106, not less than 30 days nor more than 60 days prior to the Redemption Date,
unless a shorter period is specified by the terms of such series established
pursuant to Section 301, to each Holder of Securities to be redeemed, but
failure to give such notice in the manner herein provided to the Holder of any
Security designated for redemption as a whole or in part,


                                      54
<PAGE>   62

or any defect in the notice to any such Holder, shall not affect the validity
of the proceedings for the redemption of any other such Security or portion
thereof.

         Any notice that is mailed to the Holders of Registered Securities in
the manner herein provided shall be conclusively presumed to have been duly 
given, whether or not the Holder receives the notice.

         All notices of redemption shall state:

         (1)     the Redemption Date;

         (2)     the Redemption Price, accrued interest to the Redemption Date
payable as provided in Section 1106, if any, and Additional Amounts, if any;

         (3)     if less than all Outstanding Securities of any series are to
be redeemed, the identification (and, in the case of partial redemption, the
principal amount) of the particular Security or Securities to be redeemed;

         (4)     in case any Security is to be redeemed in part only, that on
and after the Redemption Date, upon surrender of such Security, the holder will
receive, without a charge, a new Security or Securities of authorized
denominations for the principal amount thereof remaining unredeemed;

         (5)     that on the Redemption Date the Redemption Price and accrued
interest to the Redemption Date payable as provided in Section 1106, if any,
will become due and payable upon each such Security, or the portion thereof, to
be redeemed and, if applicable, that interest thereon shall cease to accrue on
and after said date;

         (6)     the Place or Places of Payment where such Securities, together
in the case of Bearer Securities with all coupons appertaining thereto, if any,
maturing after the Redemption Date, are to be surrendered for payment of the
Redemption Price and accrued interest, if any, or for conversion or exchange;
 
         (7)     that the redemption is for a sinking fund, if such is the case;

         (8)     that, unless otherwise specified in such notice, Bearer
Securities of any series, if any, surrendered for redemption must be
accompanied by all coupons maturing subsequent to the date fixed for redemption
or the amount of any such missing coupon or coupons will be deducted from the
Redemption Price, unless security or indemnity satisfactory to the Company, the
Trustee for such series and any Paying Agent is furnished;

         (9)     if Bearer Securities of any series are to be redeemed and any
Registered Securities of such series are not to be redeemed, and if such Bearer
Securities may be exchanged for Registered Securities not subject to the
redemption on this Redemption Date pursuant to Section 305 or otherwise, the
last date, as determined by the Company, on which such exchanges may be made;

         (10)    the CUSIP number of such Security, if any, provided that
neither the Company not the Trustee shall have any responsibility for any such
CUSIP number; and

         (11)    if applicable, that a Holder of Securities who desires to
convert or exchange Securities to be redeemed must satisfy the requirements for
conversion or exchange contained in such Securities, the then existing
conversion or exchange price or rate and the date and time when the option to
convert or exchange shall expire and the place or places where such Securities
may be surrendered for conversion or exchange.

         Notice of redemption of Securities to be redeemed shall be given by the
Company or, at the Company's written request, by the Trustee in the name and at
the expense of the Company.


                                      55
<PAGE>   63

         SECTION 1105.    Deposit of Redemption Price.

         On or prior to any Redemption Date, the Company shall deposit with the
Trustee or with a Paying Agent (or, if the Company is acting as its own Paying
Agent, which it may not do in the case of a sinking fund payment under Article
Twelve, segregate and hold in trust as provided in Section 1003) an amount of
money in the currency or currencies, currency unit or units or composite
currency or currencies in which the Securities of such series are payable
(except as otherwise specified pursuant to Section 301 for the Securities of
such series) sufficient to pay on the Redemption Date the Redemption Price of,
and (except if the Redemption Date shall be an Interest Payment Date) accrued
interest on, all the Securities or portions thereof which are to be redeemed on
that date.

         SECTION 1106.    Securities Payable on Redemption Date.

         Notice of redemption having been given as aforesaid, the Securities so
to be redeemed shall, on the Redemption Date, become due and payable at the
Redemption Price therein specified in the currency or currencies, currency unit
or units or composite currency or currencies in which the Securities of such
series are payable (except as otherwise specified pursuant to Section 301 for
the Securities of such series) (together with accrued interest, if any, to the
Redemption Date), and from and after such date (unless the Company shall default
in the payment of the Redemption Price and accrued interest) such Securities
shall, if the same were interest-bearing, cease to bear interest and the coupons
for such interest appertaining to any Bearer Securities so to be redeemed,
except to the extent provided below, shall be void.  Upon surrender of any such
Security for redemption in accordance with said notice, together with all
coupons, if any, appertaining thereto maturing after the Redemption Date, such
Security shall be paid by the Company at the Redemption Price, together with
accrued interest, if any, to the Redemption Date; provided, however, that
installments of interest on Bearer Securities whose Stated Maturity is on or
prior to the Redemption Date shall be payable only at an office or agency
located outside the United States (except as otherwise provided in Section 1002)
and, unless otherwise specified as contemplated by Section 301, only upon
presentation and surrender of coupons for such interest; and provided further
that except as otherwise provided with respect to Securities convertible or
exchangeable into other securities or property (including securities of other
issuers, provided that such securities are registered under Section 12 of the
Exchange Act and such issuer is then eligible to use Form S-3 (or any successor
form) for a primary offering of its securities) of the Company, installments of
interest on Registered Securities whose Stated Maturity is on or prior to the
Redemption Date shall be payable to the Holders of such Securities, or one or
more Predecessor Securities, registered as such at the close of business on the
relevant Record Dates according to their terms and the provisions of Section
307.

         If any Bearer Security surrendered for redemption shall not be
accompanied by all appurtenant coupons maturing after the Redemption Date, such
Security may be paid after deducting from the Redemption Price an amount equal
to the face amount of all such missing coupons, or the surrender of such
missing coupon or coupons may be waived by the Company and the Trustee if there
be furnished to them such security or indemnity as they may require to save
each of them and any Paying Agent harmless.  If thereafter the Holder of such
Security shall surrender to the Trustee or any Paying Agent any such missing
coupon in respect of which a deduction shall have been made from the Redemption
Price, such Holder shall be entitled to receive the amount so deducted;
provided, however, that interest represented by coupons shall be payable only
at an office or agency located outside the United States (except as otherwise
provided in Section 1002) and, unless otherwise specified as contemplated by
Section 301, only upon presentation and surrender of those coupons.  If any
Security called for redemption shall not be so paid upon surrender thereof for
redemption, the principal (and premium or Make-Whole Amount, if any) shall,
until paid, bear interest from the Redemption Date at the rate borne by the
Security.

         SECTION 1107.    Securities Redeemed in Part.



                                      56
<PAGE>   64

         Any Security which is to be redeemed only in part (pursuant to the
provisions of this Article or of Article Twelve) shall be surrendered at a
Place of Payment therefor (with, if the Company or the Trustee so requires, due
endorsement by, or a written instrument of transfer in form satisfactory to the
Company and the Trustee duly executed by, the Holder thereof or his attorney
duly authorized in writing) and the Company shall execute and the Trustee shall
authenticate and deliver to the Holder of such Security without service charge
a new Security or Securities of the same series, of any authorized denomination
as requested by such Holder in aggregate principal amount equal to and in
exchange for the unredeemed portion of the principal of the Security so
surrendered.

                                 ARTICLE TWELVE

                                 SINKING FUNDS

         SECTION 1201.    Applicability of Article.

         The provisions of this Article shall be applicable to any sinking fund
for the retirement of Securities of a series except as otherwise specified as
contemplated by Section 301 for Securities of such series.

         The minimum amount of any sinking fund payment provided for by the
terms of Securities of any series is herein referred to as a "mandatory sinking
fund payment," and any payment in excess of such minimum amount provided for by
the terms of such Securities of any series is herein referred to as an
"optional sinking fund payment."  If provided for by the terms of any
Securities of any series, the cash amount of any mandatory sinking fund payment
may be subject to reduction as provided in Section 1202.  Each sinking fund
payment shall be applied to the redemption of Securities of any series as
provided for by the terms of Securities of such series.

         SECTION 1202.    Satisfaction of Sinking Fund Payments with Securities.

         The Company may, in satisfaction of all or any part of any mandatory
sinking fund payment with respect to the Securities of a series, (1) deliver
Outstanding Securities of such series (other than any previously called for
redemption) together in the case of any Bearer Securities of such series with
all unmatured coupons appertaining thereto and (2) apply as a credit Securities
of such series which have been redeemed either at the election of the Company
pursuant to the terms of such Securities or through the application of
permitted optional sinking fund payments pursuant to the terms of such
Securities, as provided for by the terms of such Securities, or which have
otherwise been acquired by the Company; provided that such Securities so
delivered or applied as a credit have not been previously so credited.  Such
Securities shall be received and credited for such purpose by the Trustee at
the applicable Redemption Price specified in such Securities for redemption
through operation of the sinking fund and the amount of such mandatory sinking
fund payment shall be reduced accordingly.

         SECTION 1203.    Redemption of Securities for Sinking Fund.

         Not less than 60 days prior to each sinking fund payment date for
Securities of any series, the Company will deliver to the Trustee an Officers'
Certificate specifying the amount of the next ensuing mandatory sinking fund
payment for that series pursuant to the terms of that series, the portion
thereof, if any, which is to be satisfied by payment of cash in the currency or
currencies, currency unit or units or composite currency or currencies in which
the Securities of such series are payable (except as otherwise specified
pursuant to Section 301 for the Securities of such series) and the portion
thereof, if any, which is to be satisfied by delivering and crediting
Securities of that series pursuant to Section 1202, and the optional amount, if
any, to be added in cash to the next



                                      57
<PAGE>   65
ensuing mandatory sinking fund payment, and will also deliver to the Trustee
any Securities to be so delivered and credited.  If such Officers' Certificate
shall specify an optional amount to be added in cash to the next ensuing
mandatory sinking fund payment, the Company shall thereupon be obligated to pay
the amount therein specified.  Not less than 30 days before each such sinking
fund payment date the Trustee shall select the Securities to be redeemed upon
such sinking fund payment date in the manner specified in Section 1103 and
cause notice of the redemption thereof to be given in the name of and at the
expense of the Company in the manner provided in Section 1104.  Such notice
having been duly given, the redemption of such Securities shall be made upon
the terms and in the manner stated in Sections 1106 and 1107.

                                ARTICLE THIRTEEN

                       REPAYMENT AT THE OPTION OF HOLDERS

         SECTION 1301.    Applicability of Article.

         Repayment of Securities of any series before their Stated Maturity at
the option of Holders thereof shall be made in accordance with the terms of
such Securities, if any, and (except as otherwise specified by the terms of
such series established pursuant to Section 301) in accordance with this
Article.

         SECTION 1302.    Repayment of Securities.

         Securities of any series subject to repayment in whole or in part at
the option of the Holders thereof will, unless otherwise provided in the terms
of such Securities, be repaid at a price equal to the principal amount thereon,
together with interest, if any, thereof accrued to the Repayment Date specified
in or pursuant to the terms of such Securities.  The Company covenants that on
or before the Repayment Date it will deposit with the Trustee or with a Paying
Agent (or, if the Company is acting as its own Paying Agent, segregate and hold
in trust as provided in Section 1003) an amount of money in the currency or
currencies, currency unit or units or composite currency or currencies in which
the Securities of such series are payable (except as otherwise specified 
pursuant to Section 301 for the Securities of such series) sufficient to pay
the principal (or, if so provided by the terms of the Securities of any series,
a percentage of the principal) of, and (except if the Repayment Date shall be
an Interest Payment Date) accrued interest on, all the Securities or portions
thereof, as the case may be, to be repaid on such date.

         SECTION 1303.  Exercise of Option.

         Securities of any series subject to repayment at the option of the
Holders thereof will contain an "Option to Elect Repayment" form on the reverse
of such Securities.  In order for any Security to be repaid at the option of
the Holder, the Trustee must receive at the Place of Payment therefor specified
in the terms of such Security (or at such other place or places of which the
Company shall from time to time notify the Holders of such Securities) not
earlier than 60 days nor later than 30 days prior to the Repayment Date (1) the
Security so providing for such repayment together with the "Option to Elect
Repayment" form on the reverse thereof duly completed by the Holder (or by the
Holder's attorney duly authorized in writing) or (2) a telegram, telex,
facsimile transmission or a letter from a member of a national securities
exchange, or the National Association of Securities Dealers, Inc. ("NASD"), or
a commercial bank or trust company in the United States setting forth the name
of the Holder of the Security, the principal amount of the Security, the
principal amount of the Security to be repaid, the CUSIP number, if any, or a
description of the tenor and terms of the Security, a statement that the option
to elect repayment is being exercised thereby and a guarantee that the Security
to be repaid, together with the duly completed form entitled "Option to Elect
Repayment" on the reverse of the Security, will be received by the Trustee


                                      58
<PAGE>   66

not later than the fifth Business Day after the date of such telegram, telex,
facsimile transmission or letter; provided, however, that such telegram, telex,
facsimile transmission or letter shall only be effective if such Security and
form duly completed are received by the Trustee by such fifth Business Day.  If
less than the entire principal amount of such Security is to be repaid in
accordance with the terms of such Security, the principal amount of such
Security to be repaid, in increments of the minimum denomination for Securities
of such series, and the denomination or denominations of the Security or
Securities to be issued to the Holder for the portion of the principal amount
of such Security surrendered that is not to be repaid, must be specified.  The
principal amount of any Security providing for repayment at the option of the
Holder thereof may not be repaid in part if, following such repayment, the
unpaid principal amount of such Security would be less than the minimum
authorized denomination of Securities of or within the series of which such
Security to be repaid is a part.  Except as otherwise may be provided by the
terms of any Security providing for repayment at the option of the Holder
thereof, exercise of the repayment option by the Holder shall be irrevocable
unless waived by the Company.

         SECTION 1304.    When Securities Presented for Repayment Become Due
                          and Payable.

         If Securities of any series providing for repayment at the option of
the Holders thereof shall have been surrendered as provided in this Article and
as provided by or pursuant to the terms of such Securities, such Securities or
the portions thereof, as the case may be, to be repaid shall become due and
payable and shall be paid by the Company on the Repayment Date therein
specified, and on and after such Repayment Date (unless the Company shall
default in the payment of such Securities on such Repayment Date) such
Securities shall, if the same were interest bearing, cease to bear interest and
the coupons for such interest appertaining to any Bearer Securities so to be
repaid, except to the extent provided below, shall be void.  Upon surrender of
any such Security for repayment in accordance with such provisions, together
with all coupons, if any, appertaining thereto maturing after the Repayment
Date, the principal amount of such security so to be repaid shall be paid by
the Company, together with accrued interest, if any, to the Repayment Date;
provided, however, that coupons whose Stated Maturity is on or prior to the
Repayment Date shall be payable only at an office or agency located outside the
United States (except as otherwise provided in Section 1002) and, unless
otherwise specified pursuant to Section 301, only upon presentation and
surrender of such coupons; and provided further that, in the case of Registered
Securities, installments of interest, if any, whose Stated Maturity is on or
prior to the Repayment Date shall be payable (but without interest thereon,
unless the Company shall default in the payment thereof) to the Holders of such
Securities, or one or more Predecessor Securities, registered as such at the 
close of business on the relevant Record Dates according to their terms and the
provisions of Section 307.

         If any Bearer Security surrendered for repayment shall not be
accompanied by all appurtenant coupons maturing after the Repayment Date, such
Security may be paid after deducting from the amount payable therefor as
provided in Section 1302 an amount equal to the face amount of all such missing
coupons, or the surrender of such missing coupon or coupons may be waived by
the Company and the Trustee if there be furnished to them such security or
indemnity as they may require to save each of them and any Paying Agent
harmless.  If thereafter the Holder of such Security shall surrender to the
Trustee or any Paying Agent any such missing coupon in respect of which a
deduction shall have been made as provided in the preceding sentence, such
Holder shall be entitled to receive the amount so deducted; provided, however,
that interest represented by coupons shall be payable only at an office or
agency located outside the United States (except as otherwise provided in
Section 1002) and, unless otherwise specified as contemplated by Section 301,
only upon presentation and surrender of those coupons.  If the principal amount
of any Security


                                      59
<PAGE>   67

surrendered for repayment shall not be so repaid upon surrender thereof, such
principal amount (together with interest, if any, thereon accrued to such
Repayment Date) shall, until paid, bear interest from the Repayment Date at the
rate of interest or Yield to Maturity (in the case of Original Issue Discount
Securities) set forth in such Security.

         SECTION 1305.    Securities Repaid in Part.

         Upon surrender of any Registered Security which is to be repaid in
part only, the Company shall execute and the Trustee shall authenticate and
deliver to the Holder of such Security, without service charge and at the
expense of the Company, a new Registered Security or Securities of the same
series, of any authorized denomination specified by the Holder, in an aggregate
principal amount equal to and in exchange for the portion of the principal of
such Security so surrendered which is not to be repaid.

                                ARTICLE FOURTEEN

                       DEFEASANCE AND COVENANT DEFEASANCE

     SECTION 1401.    Applicability of Article; Company's Option to Effect
                      Defeasance or Covenant Defeasance.

         If, pursuant to Section 301, provision is made for either or both of
(a) defeasance of the Securities of or within a series under Section 1402 or
(b) covenant defeasance of the Securities of or within a series under Section
1403 to be applicable to the Securities of any series, then the provisions of
such Section or Sections, as the case may be, together with the other
provisions of this Article (with such modifications thereto as may be specified
pursuant to Section 301 with respect to any Securities), shall be applicable to
such Securities and any coupons appertaining thereto, and the Company may at
its option by Board Resolution at any time, with respect to such Securities and
any coupons appertaining thereto elect to defease such Outstanding Securities
and any coupons appertaining thereto pursuant to Section 1402 (if applicable) or
Section 1403 (if applicable) upon compliance with the conditions set forth
below in this Article.

         SECTION 1402.    Defeasance and Discharge.

         Upon the Company's exercise of the above option applicable to this
Section with respect to any Securities of or within a series, the Company shall
be deemed to have been discharged from its obligations with respect to such
Outstanding Securities and any coupons appertaining thereto on the date the
conditions set forth in Section 1404 are satisfied (hereinafter, "defeasance").
For this purpose, such defeasance means that the Company shall be deemed to
have paid and discharged the entire indebtedness represented by such
Outstanding Securities and any coupons appertaining thereto, which shall
thereafter be deemed to be "Outstanding" only for the purposes of Section 1405
and the other Sections of this Indenture referred to in clauses (A) and (B)
below, and to have satisfied all of its other obligations under such Securities
and any coupons appertaining thereto and this Indenture insofar as such
Securities and any coupons appertaining thereto are concerned (and the Trustee,
at the expense of the Company, shall execute proper instruments acknowledging
the same), except for the following which shall survive until otherwise
terminated or discharged hereunder: (A) the rights of Holders of such
Outstanding Securities and any coupons appertaining thereto to receive, solely
from the trust fund described in Section 1404 and as more fully set forth in
such Section, payments in respect of the principal of (and premium or
Make-Whole Amount, if any) and interest, if any, on such Securities and any
coupons appertaining thereto when such payments are due, (B) the Company's
obligations with respect to such Securities under Sections 305, 306, 1002 and
1003 and with respect to the payment of Additional Amounts, if any, on such
Securities as contemplated by Section 1011, (C) the rights, powers, trusts,
duties and immunities of the Trustee hereunder and (D) this Article.  Subject
to compliance with this Article Fourteen, the Company may


                                      60
<PAGE>   68

exercise its option under this Section notwithstanding the prior exercise of
its option under Section 1403 with respect to such Securities and any coupons
appertaining thereto.

         SECTION 1403.  Covenant Defeasance.

         Upon the Company's exercise of the above option applicable to this
Section with respect to any Securities of or within a series, the Company shall
be released from its obligations under Sections 1005 to 1009, inclusive, and,
if specified pursuant to Section 301, its obligations under any other covenant,
with respect to such Outstanding Securities and any coupons appertaining
thereto on and after the date the conditions set forth in Section 1404 are
satisfied (hereinafter, "covenant defeasance"), and such Securities and any
coupons appertaining thereto shall thereafter be deemed to be not "Outstanding"
for the purposes of any direction, waiver, consent or declaration or Act of
Holders (and the consequences of any thereof) in connection with Sections 1005
to 1009, inclusive, or such other covenant, but shall continue to be deemed
"Outstanding" for all other purposes hereunder. For this purpose, such covenant
defeasance means that, with respect to such Outstanding Securities and any
coupons appertaining thereto, the Company may omit to comply with and shall
have no liability in respect of any term, condition or limitation set forth in
any such Section or such other covenant, whether directly or indirectly, by
reason of any reference elsewhere herein to any such Section or such other
covenant or by reason of reference in any such Section or such other covenant
to any other provision herein or in any other document and such omission to
comply shall not constitute a default or an Event of Default under Section
501(4) or 501(8) or otherwise, as the case may be, but, except as specified
above, the remainder of this Indenture and such Securities and any coupons
appertaining thereto shall be unaffected thereby.

         SECTION 1404.  Conditions to Defeasance or Covenant Defeasance.

         The following shall be the conditions to application of Section 1402
or Section 1403 to any Outstanding Securities of or within a series and any
coupons appertaining thereto:

         (a) The Company shall irrevocably have deposited or caused to be
deposited with the Trustee (or another trustee satisfying the requirements of
Section 607 who shall agree to comply with the provisions of this Article
Fourteen applicable to it) as trust funds in trust for the purpose of making
the following payments, specifically pledged as security for, and dedicated
solely to, the benefit of the Holders of such Securities and any coupons
appertaining thereto, (1) an amount in such currency, currencies or currency
unit in which such Securities and any coupons appertaining thereto are then
specified as payable at Stated Maturity, or (2) Government Obligations
applicable to such Securities and coupons appertaining thereto (determined on
the basis of the currency, currencies or currency unit in which such Securities
and coupons appertaining thereto are then specified as payable at Stated
Maturity) which through the scheduled payment of principal and interest in
respect thereof in accordance with their terms will provide, not later than one
day before the due date of any payment of principal of (and premium or
Make-Whole Amount, if any) and interest, if any, on such Securities and any
coupons appertaining thereto, money in an amount, or (3) a combination thereof
in an amount, sufficient, without consideration of any reinvestment of such
principal and interest, in the opinion of a nationally recognized firm of
independent public accountants expressed in a written certification thereof
delivered to the Trustee, to pay and discharge, and which shall be applied by
the Trustee (or other qualifying trustee) to pay and discharge, (i) the
principal of (and premium or Make-Whole Amount, if any) and interest, if any,
on such Outstanding Securities and any coupons appertaining thereto on the
Stated Maturity of such principal or installment of principal or interest and
(ii) any mandatory sinking fund payments or analogous payments applicable to
such Outstanding Securities and any coupons appertaining thereto on the day on
which such payments are due and payable in accordance with the terms of


                                      61
<PAGE>   69

this Indenture and of such Securities and any coupons appertaining thereto;
provided, that the Trustee shall have been irrevocably instructed to apply such
money or the proceeds of such Government Obligations to said payments with
respect to such Securities. Before such a deposit, the Company may give to the
Trustee, in accordance with Section 1102 hereof, a notice of its election to
redeem all or any portion of such Outstanding Securities at a future date in
accordance with the terms of the Securities of such series and Article Eleven
hereof, which notice shall be irrevocable. Such irrevocable redemption notice,
if given, shall be given effect in applying the foregoing.

         (b) Such defeasance or covenant defeasance shall not result in a
breach or violation of, or constitute a default under, this Indenture or any
other material agreement or instrument to which the Company is a party or by
which it is bound (and shall not cause the Trustee to have a conflicting
interest pursuant to Section 310(b) of the TIA with respect to any Security of
the Company).

         (c) No Event of Default or event which with notice or lapse of time or
both would become an Event of Default with respect to such Securities and any
coupons appertaining thereto shall have occurred and be continuing on the date
of such deposit or, insofar as Sections 501(6) and 501(7) and 501(8) are
concerned, at any time during the period ending on the 91st day after the date
of such deposit (it being understood that this condition shall not be deemed
satisfied until the expiration of such period).

         (d) In the case of an election under Section 1402, the Company shall
have delivered to the Trustee an Opinion of Counsel stating that (i) the
Company has received from, or there has been published by, the Internal Revenue
Service a ruling, or (ii) since the date of execution of this Indenture, there
has been a change in the applicable Federal income tax law, in either case to
the effect that, and based thereon such opinion shall confirm that, the Holders
of such Outstanding Securities and any coupons appertaining thereto will not
recognize income, gain or loss for Federal income tax purposes as a result of
such defeasance and will be subject to Federal income tax on the same amounts,
in the same manner and at the same times as would have been the case if such
defeasance had not occurred.

         (e) In the case of an election under Section 1403, the Company shall
have delivered to the Trustee an Opinion of Counsel to the effect that the
Holders of such Outstanding Securities and any coupons appertaining thereto will
not recognize income, gain or loss for Federal income tax purposes as a result
of such covenant defeasance and will be subject to Federal income tax on the
same amounts, in the same manner and at the same times as would have been the
case if such covenant defeasance had not occurred.

         (f) The Company shall have delivered to the Trustee an Officers'
Certificate and an Opinion of Counsel, each stating that all conditions
precedent to the defeasance under Section 1402 or the covenant defeasance under
Section 1403 (as the case may be) have been complied with and an Opinion of
Counsel to the effect that either (i) as a result of a deposit pursuant to
subsection (a) above and the related exercise of the Company's option under
Section 1402 or Section 1403 (as the case may be) registration is not required
under the Investment Company Act of 1940, as amended, by the Company, with
respect to the trust funds representing such deposit or by the Trustee for such
trust funds or (ii) all necessary registrations under said Act have been
effected.

         (g) After the 91st day following the deposit, the trust funds will not
be subject to the effect of any applicable bankruptcy, insolvency,
reorganization or similar laws affecting creditors' rights generally.

         (h) Notwithstanding any other provisions of this Section, such
defeasance or covenant defeasance shall be effected in compliance with any
additional or substitute terms, conditions or limitations which may be


                                      62
<PAGE>   70

imposed on the Company in connection therewith pursuant to Section 301.

         SECTION 1405.  Deposited Money and Government Obligations to Be Held
                        in Trust; Other Miscellaneous Provisions.

         Subject to the provisions of the last paragraph of Section 1003, all
money and Government Obligations (or other property as may be provided pursuant
to Section 301) (including the proceeds thereof) deposited with the Trustee (or
other qualifying trustee, collectively for purposes of this Section 1405, the
"Trustee") pursuant to Section 1404 in respect of any Outstanding Securities
of any series and any coupons appertaining thereto shall be held in trust and
applied by the Trustee, in accordance with the provisions of such Securities
and any coupons appertaining thereto and this Indenture, to the payment, either
directly or through any Paying Agent (including the Company acting as its own
Paying Agent) as the Trustee may determine, to the Holders of such Securities
and any coupons appertaining thereto of all sums due and to become due thereon
in respect of principal (and premium or Make-Whole Amount, if any) and interest
and Additional Amounts, if any, but such money need not be segregated from
other funds except to the extent required by law.

         Unless otherwise specified with respect to any Security pursuant to
Section 301, if, after a deposit referred to in Section 1404(a) has been made,
(a) the Holder of a Security in respect of which such deposit was made is
entitled to, and does, elect pursuant to Section 301 or the terms of such
Security to receive payment in a currency or currency unit other than that in
which the deposit pursuant to Section 1404(a) has been made in respect of such
Security, or (b) a Conversion Event occurs in respect of the currency or
currency unit in which the deposit pursuant to Section 1404(a) has been made,
the indebtedness represented by such Security and any coupons appertaining
thereto shall be deemed to have been, and will be, fully discharged and
satisfied through the payment of the principal of (and premium or Make-Whole
Amount, if any), and interest, if any, on such Security as the same becomes due
out of the proceeds yielded by converting (from time to time as specified below
in the case of any such election) the amount or other property deposited in
respect of such Security into the currency or currency unit in which such
Security becomes payable as a result of such election or Conversion Event based
on the applicable market exchange rate for such currency or currency unit in
effect on the second Business Day prior to each payment date, except, with
respect to a Conversion Event, for such currency or currency unit in effect (as
nearly as feasible) at the time of the Conversion Event.

         The Company shall pay and indemnify the Trustee against any tax, fee
or other charge imposed on or assessed against the Government Obligations
deposited pursuant to Section 1404 or the principal and interest received in
respect thereof other than any such tax, fee or other charge which by law is
for the account of the Holders of such Outstanding Securities and any coupons
appertaining thereto.

         Anything in this Article to the contrary notwithstanding, the Trustee
shall deliver or pay to the Company from time to time upon Company Request any
money or Government Obligations (or other property and any proceeds therefrom)
held by it as provided in Section 1404 which, in the opinion of a nationally
recognized firm of independent public accountants expressed in a written
certification thereof delivered to the Trustee, are in excess of the amount
thereof which would then be required to be deposited to effect a defeasance or
covenant defeasance, as applicable, in accordance with this Article.

                                ARTICLE FIFTEEN

                       MEETINGS OF HOLDERS OF SECURITIES

         SECTION 1501.  Purposes for Which Meetings May Be Called.


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<PAGE>   71

         A meeting of Holders of Securities of any series may be called at any
time and from time to time pursuant to this Article to make, give or take any
request, demand, authorization, direction, notice, consent, waiver or other
action provided by this Indenture to be made, given or taken by Holders of
Securities of such series.

         SECTION 1502.  Call, Notice and Place of Meetings.

         (a) the Trustee may at any time call a meeting of Holders of
Securities of any series for any purpose specified in Section 1501, to be held
at such time and at such place in the City of Atlanta, Georgia or the Borough 
of Manhattan, The City of New York, or in London as the Trustee shall 
determine. Notice of every meeting of Holders of Securities of any series, 
setting forth the time and the place of such meeting and in general terms the 
action proposed to be taken at such meeting, shall be given, in the manner 
provided in Section 106, not less than 21 nor more than 180 days prior to the 
date fixed for the meeting.

         (b) In case at any time the Company, pursuant to a Board Resolution,
or the Holders of at least 10% in principal amount of the Outstanding
Securities of any series shall have requested the Trustee to call a meeting of
the Holders of Securities of such series for any purpose specified in Section
1501, by written request setting forth in reasonable detail the action proposed
to be taken at the meeting, and the Trustee shall not have made the first
publication of the notice of such meeting within 21 days after receipt of such
request or shall not thereafter proceed to cause the meeting to be held as
provided herein, then the Company or the Holders of Securities of such series
in the amount above specified, as the case may be, may determine the time and
the place in the City of Atlanta, Georgia or the Borough of Manhattan, The 
City of  New York, or in London for such meeting and may call such meeting for
such  purposes by giving notice thereof as provided in subsection (a) of this
Section.

         SECTION 1503.  Persons Entitled to Vote at Meetings.

         To be entitled to vote at any meeting of Holders of Securities of any
series, a Person shall be (1) a Holder of one or more Outstanding Securities of
such series, or (2) a Person appointed by an instrument in writing as proxy for
a Holder or Holders of one or more Outstanding Securities of such series by
such Holder or Holders. The only Persons who shall be entitled to be present or
to speak at any meeting of Holders of Securities of any series shall be the
Persons entitled to vote at such meeting and their counsel, any representatives
of the Trustee and its counsel and any representatives of the Company and its
counsel.

         SECTION 1504.  Quorum; Action.

         The Persons entitled to vote a majority in principal amount of the
Outstanding Securities of a series shall constitute a quorum for a meeting of
Holders of Securities of such series; provided, however, that if any action is
to be taken at such meeting with respect to a consent or waiver which this
Indenture expressly provides may be given by the Holders of not less than a
specified percentage in principal amount of the Outstanding Securities of a
series, the Persons entitled to vote such specified percentage in principal
amount of the Outstanding Securities of such series shall constitute a quorum.
In the absence of a quorum within 30 minutes after the time appointed for any
such meeting, the meeting shall, if convened at the request of Holders of
Securities of such series, be dissolved. In any other case the meeting may be
adjourned for a period of not less than 10 days as determined by the chairman of
the meeting prior to the adjournment of such meeting. In the absence of a
quorum at any such adjourned meeting, such adjourned meeting may be further
adjourned for a period of not less than 10 days as determined by the chairman
of the meeting prior to the adjournment of such adjourned meeting. Notice of
the reconvening of any adjourned meeting shall be given as provided in Section
1502(a), except that such notice need be given only once not less than five


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<PAGE>   72
(5) days prior to the date on which the meeting is scheduled to be reconvened.
Notice of the reconvening of any adjourned meeting shall state expressly the
percentage, as provided above, of the principal amount of the Outstanding
Securities of such series which shall constitute a quorum.  Except as limited
by the proviso to Section 902, any resolution presented to a meeting or
adjourned meeting duly reconvened at which a quorum is present as aforesaid may
be adopted by the affirmative vote of the Holders of a majority in principal
amount of the Outstanding Securities of that series; provided, however, that,
except as limited by the proviso to Section 902, any resolution with respect to
any request, demand, authorization, direction, notice, consent, waiver or other
action which this Indenture expressly provides may be made, given or taken by
the Holders of a specified percentage, which is less than a majority, in
principal amount of the Outstanding Securities of a series may be adopted at a
meeting or an adjourned meeting duly reconvened and at which a quorum is
present as aforesaid by the affirmative vote of the Holders of such specified
percentage in principal amount of the Outstanding Securities of that series.

         Any resolution passed or decision taken at any meeting of Holders of
Securities of any series duly held in accordance with this Section shall be
binding on all the Holders of Securities of such series and the related
coupons, whether or not present or represented at the meeting.

         Notwithstanding the foregoing provisions of this Section 1504, if any
action is to be taken at a meeting of Holders of Securities of any series with
respect to any request, demand, authorization, direction, notice, consent,
waiver or other action that this Indenture expressly provides may be made,
given or taken by the Holders of a specified percentage in principal amount of
all Outstanding Securities affected thereby, or of the Holders of such series
and one or more additional series:

         (i)     there shall be no minimum quorum requirement for such meeting;
and

         (ii)    the principal amount of the Outstanding Securities of such
series that vote in favor of such request, demand, authorization, direction,
notice, consent, waiver or other action shall be taken into account in
determining whether such request, demand, authorization, direction, notice,
consent, waiver or other action has been made, given or taken under this
Indenture.

         SECTION 1505.    Determination of Voting Rights; Conduct and
                          Adjournment of Meetings.

         (a)     Notwithstanding any provisions of this Indenture, the Trustee
may make such reasonable regulations as it may deem advisable for any meeting
of Holders of Securities of a series in regard to proof of the holding of
Securities of such series and of the appointment of proxies and in regard to
the appointment and duties of inspectors of votes, the submission and
examination of proxies, certificates and other evidence of the right to vote,
and such other matters concerning the conduct of the meeting as it shall deem
appropriate.  Except as otherwise permitted or required by any such
regulations, the holding of Securities shall be proved in the manner specified
in Section 104 and the appointment of any proxy shall be proved in the manner
specified in Section 104 or by having the signature of the Person executing the
proxy witnessed or guaranteed by any trust company, bank or banker authorized
by Section 104 to certify to the holding of Bearer Securities.  Such
regulations may provide that written instruments appointing proxies, regular on
their face, may be presumed valid and genuine without the proof specified in
Section 104 or other proof.

         (b)     The Trustee shall, by an instrument in writing, appoint a
temporary chairman of the meeting, unless the meeting shall have been called by
the Company or by Holders of Securities as provided in Section 1502(b), in
which case the Company or the Holders of Securities of or


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<PAGE>   73
within the series calling the meeting, as the case may be, shall in like manner
appoint a temporary chairman.  A permanent chairman and a permanent secretary
of the meeting shall be elected by vote of the Persons entitled to vote a
majority in principal amount of the Outstanding Securities of such series
represented at the meeting.

         (c)     At any meeting each Holder of a Security of such series or
proxy shall be entitled to one vote for each $1,000 principal amount of the
Outstanding Securities of such series held or represented by him; provided,
however, that no vote shall be cast or counted at any meeting in respect of any
Security challenged as not Outstanding and ruled by the chairman of the meeting
to be not Outstanding.  The chairman of the meeting shall have no right to
vote, except as a Holder of a Security of such series or proxy.

         (d)     Any meeting of Holders of Securities of any series duly called
pursuant to Section 1502 at which a quorum is present may be adjourned from
time to time by Persons entitled to vote a majority in principal amount of the
Outstanding Securities of such series represented at the meeting, and the
meeting may be held as so adjourned without further notice.

         SECTION 1506.    Counting Votes and Recording Action of Meetings.

         The vote upon any resolution submitted to any meeting of Holders of
Securities of any series shall be by written ballots on which shall be
subscribed the signatures of the Holders of Securities of such series or of
their representatives by proxy and the principal amounts and serial numbers of
the Outstanding Securities of such series held or represented by them.  The
permanent chairman of the meeting shall appoint two inspectors of votes who
shall count all votes cast at the meeting for or against any resolution and who
shall make and file with the secretary of the meeting their verified written
reports in duplicate of all votes cast at the meeting.  A record, at least in
duplicate, of the proceedings of each meeting of Holders of Securities of any
series shall be prepared by the secretary of the meeting and there shall be
attached to said record the original reports of the inspectors of votes on any
vote by ballot taken thereat and affidavits by one or more persons having
knowledge of the fact, setting forth a copy of the notice of the meeting and
showing that said notice was given as provided in Section 1502 and, if
applicable, Section 1504.  Each copy shall be signed and verified by the
affidavits of the permanent chairman and secretary of the meeting and one such
copy shall be delivered to the Company and another to the Trustee to be
preserved by the Trustee, the latter to have attached thereto the ballots voted
at the meeting.  Any record so signed and verified shall be conclusive evidence
of the matters therein stated.

         SECTION 1507.    Evidence of Action Taken by Holders.

         Any request, demand, authorization, direction, notice, consent, waiver
or other action provided by this Indenture to be given or taken by a specified
percentage in principal amount of the Holders of any or all series may be
embodied in and evidenced by one or more instruments of substantially similar
tenor signed by such specified percentage of Holders in person or by agent duly
appointed in writing; and, except as herein otherwise expressly provided, such
action shall become effective when such instrument or instruments are delivered
to the Trustee.  Proof of execution of any instrument or of a writing
appointing any such agent shall be sufficient for any purpose of this Indenture
and (subject to Article Six) conclusive in favor of the Trustee and the
Company, if made in the manner provided in this Article.

         SECTION 1508.    Proof of Execution of Instruments.

         Subject to Article Six, the execution of any instrument by a Holder or
his agent or proxy may be proved in accordance with such reasonable rules and
regulations as may be prescribed by the Trustee or in such manner as shall be
satisfactory to the Trustee.


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                                ARTICLE SIXTEEN

                      CONVERSION OR EXCHANGE OF SECURITIES

         SECTION 1601.  Applicability of Article.

         The provisions of this Article shall be applicable to the Securities of
any series which are convertible or exchangeable for other securities or
property (including securities of other issuers, provided that such securities
are registered under Section 12 of the Exchange Act and such issuer is then
eligible to use Form S-3 (or any successor form) for a primary offering of its
securities) of the Company, except as otherwise specified as contemplated by
Section 301 for the Securities of such series.

         SECTION 1602.  Election to Exchange; Notice to Trustee and Holders.

         The election of the Company to exchange any Securities shall be
evidenced by a Board Resolution or in another manner specified as contemplated
by Section 301 for such Securities. On or prior to the seventh Business Day
prior to Maturity of the Securities, the Company shall provide written notice to
the Holders of record of the Securities and to the Trustee and will publish a
notice in an Authorized Newspaper stating whether the Company has made such
election.

         SECTION 1603.  No Fractional Shares.

         No fractional shares or fractional securities shall be delivered upon
exchanges of Securities of any series. If more than one Security shall be
surrendered for exchange at one time by the same Holder, the number of full
shares or units which shall be delivered upon exchange shall be computed on the
basis of the aggregate principal amount of the Securities (or specified portions
thereof to the extent permitted hereby) so surrendered. If, except for the
provisions of this Section 1603, any Holder of a Security or Securities would be
entitled to a fractional share or unit of a security upon the exchange of such
Security or Securities, or specified portions thereof, the Company shall pay to
such Holder an amount in cash equal to the current market value of such
fractional share computed on the basis of the Closing Price of such security on
the date preceding the date on which the conversion or exchange shall be
effected in accordance with Section 1610.  The "Closing Price" of any security
on any date of determination means, (i) if such security is listed or admitted
to unlisted trading privileges on a national securities exchange, the last
reported sales price on the composite tape on such exchange, or (ii) if such
security is not at the time so listed or admitted to unlisted trading privileges
on a national securities exchange, the average of the bid and asked prices of
such security in the over-the-counter market, as reported by Nasdaq or the
National Quotation Bureau, Incorporated or similar organization if neither
Nasdaq or the National Quotation Bureau, Incorporated is no longer reporting
such information, or if not so available, the market price as determined by a
nationally recognized investment banking firm retained for this purpose by the
Company.

         SECTION 1604.  Adjustment of Exchange Rate.

         The exchange rate of Securities of any series that is exchangeable for
other securities or property (including securities of other issuers, provided
that such securities are registered under Section 12 of the Exchange Act and
such issuer is then eligible to use Form S-3 (or any successor form) for a
primary offering of its securities) shall be adjusted for any stock dividends,
stock splits, reclassification, combinations or similar transactions or any
consolidation, merger or other reorganization event in accordance with the terms
of the supplemental indenture or Board Resolution setting forth the terms of the
Securities of such series.

         Whenever the exchange rate is adjusted, the Company shall compute the
adjusted exchange rate in accordance with terms of the applicable Board
Resolution or supplemental indenture and shall prepare an Officers' Certificate
setting forth the adjusted exchange rate and showing in reasonable detail the
facts upon which such adjustment is based, and such certificate shall forthwith
be filed at each office or agency maintained for the purpose of exchange of
Securities pursuant to Section 1002 and, if different, with the Trustee. The
Company shall forthwith cause a notice setting forth the adjusted exchange rate
to be mailed, first class postage prepaid, to each Holder of Securities of such
series at its address appearing on the Security Register and to any exchange
agent other than the Trustee.

         SECTION 1605.  Payment of Certain Taxes Upon Exchange.

         The Company will pay any and all taxes that may be payable in respect
of the transfer and delivery of shares of other securities or property
(including securities of other issuers, provided that such securities are
registered under Section 12 of the Exchange Act and such issuer is then eligible
to use Form S-3 (or any successor form) for a primary offering of its
securities) of the Company on exchange of Securities pursuant hereto. The
Company shall not, however, be required to pay any tax which may be payable in
respect of any transfer involved in the delivery of shares of securities in a
name other than that of the Holder of the Security or Securities to be
exchanged, and no such transfer or delivery shall be made unless and until the
person requesting such transfer has paid to the Company the amount of any such
tax, or has established, to the satisfaction of the Company, that such tax has
been paid.

         SECTION 1606.  Shares Free and Clear.

         The Company hereby warrants that upon exchange of Securities of any
series, the Holder of a Security shall receive all rights held by the Company in
such security for which such Security is at such time exchangeable under this
Article Sixteen, free and clear of any and all liens, claims, charges and
encumbrances other than any liens, claims, charges and encumbrances which may
have been placed on any such security by the prior owner thereof, prior to the
time such security was acquired by the Company. Except as provided in Section
1604, the Company will pay all taxes and charges with respect to the delivery of
such security delivered in exchange for Securities hereunder.

         SECTION 1607.  Cancellation of Security.

         Upon receipt by the Trustee of Securities of any series delivered to it
for exchange under this Article Sixteen, the Trustee shall cancel and dispose of
the same as provided in Section 309.

         SECTION 1608.  Duties of Trustee Regarding Exchange.

         Neither the Trustee nor any exchange agent shall at any time be under
any duty or responsibility to any Holder of Securities of any series that is
exchangeable into other securities or property (including securities of other
issuers, provided that such securities are registered under Section 12 of the
Exchange Act and such issuer is then eligible to use Form S-3 (or any successor
form) for a primary offering of its securities) of the Company to determine
whether any facts exist which may require any adjustment of the exchange rate,
or with respect to the nature or extent of any such adjustment when made, or
with respect to the method employed, whether herein or in any supplemental
indenture, any resolutions of the Board of Directors or written instrument
executed by one or more officers of the Company provided to be employed in
making the same. Neither the Trustee nor any exchange agent shall be accountable
with respect to the validity or value (or the kind or amount) of any securities
or property (including securities of other issuers, provided that such
securities are registered under Section 12 of the Exchange Act and such issuer
is then eligible to use Form S-3 (or any successor form) for a primary offering
of its securities) of the Company, or of any Securities and neither the Trustee
nor any exchange agent makes any representation with respect thereto. Subject to
the provisions of Section 612, neither the Trustee nor any exchange agent shall
be responsible for any failure of the Company to issue, transfer or deliver any
stock certificates or other securities or property (including securities of
other issuers, provided that such securities are registered under Section 12 of
the Exchange Act and such issuer is then eligible to use Form S-3 (or any
successor form) for a primary offering of its securities) upon the surrender of
any Security for the purpose of exchange or to comply with any of the covenants
of the Company contained in this Article Sixteen or in the applicable
supplemental indenture, resolutions of the Board of Directors or written
instrument executed by one or more duly authorized officers of the Company.

         SECTION 1609.  Repayment of Certain Funds Upon Exchange.

         Any funds which at any time shall have been deposited by the Company or
on its behalf with the Trustee or any other paying agent for the purpose of
paying the principal of, and premium, if any, and interest, if any, on any of
the Securities (including funds deposited for the sinking fund referred to in
Article Twelve hereof) and which shall not be required for such purposes because
of the exchange of such Securities as provided in this Article Sixteen shall
after such exchange be repaid to the Company by the Trustee upon the Company's
written request.

         SECTION 1610.  Exercise of Conversion or Exchange Privilege.

         In order to exercise a conversion or exchange privilege, the Holder of
a Security of a series with such a privilege shall surrender such Security to
the Company at the office or agency maintained for that purpose pursuant to
Section 1002, accompanied by written notice to the Company that the Holder
elects to convert or exchange such Security or a specified portion thereof. Such
notice shall also state, if different from the name or names (with address) in
which the Securities are registered, the name or names in which the Securities
or property (including securities of other issuers, provided that such
securities are registered under Section 12 of the Exchange Act and such issuer
is then eligible to use Form S-3 (or any successor form) for a primary offering
of its securities) of the Company which shall be issuable on such conversion or
exchange shall be issued. Securities surrendered for conversion or exchange
shall (if so required by the Company or the Trustee) be duly endorsed by or
accompanied by instruments of transfer in forms satisfactory to the Company and
the Trustee duly executed by the registered Holder or its attorney duly
authorized in writing; and Securities so surrendered for conversion or exchange
during the period from the close of business on any Regular Record Date to the
opening of business on the next succeeding Interest Payment Date (excluding
Securities or portions thereof called for redemption during such period) shall
also be accompanied by payment in funds acceptable to the Company of an amount
equal to the interest payable on such Interest Payment Date on the principal
amount of such Security then being converted, and such interest shall be payable
to such registered Holder notwithstanding the conversion or exchange of such
Security, subject to the provisions of Section 307 relating to the payment of
Defaulted Interest by the Company. As promptly as practicable after the receipt
of such notice and of any payment required pursuant to a Board Resolution and,
subject to Section 303, set forth, or determined in the manner provided, in an
Officers' Certificate, or established in one or more indentures supplemental
hereto setting forth the terms of such series of Security, and the surrender of
such Security in accordance with such reasonable regulations as the Company may
prescribe, the Company shall issue and shall deliver, at the office or agency at
which such Security is surrendered, to such Holder or on its written order,
securities or property (including securities of other issuers, provided that
such securities are registered under Section 12 of the Exchange Act and such
issuer is then eligible to use Form S-3 (or any successor form) for a primary
offering of its securities) of the Company issuable or deliverable upon the
conversion or exchange of such Security (or specified portion thereof), in
accordance with the provisions of such Board Resolution, Officers' Certificate
or supplemental indenture, and cash as provided therein in respect of any
fractional share otherwise issuable upon such conversion or exchange. Such
conversion or exchange shall be deemed to have been effected immediately prior
to the close of business on the date on which such notice and such payment, if
required, shall have been received in proper order for conversion or exchange by
the Company and such Security shall have been surrendered as aforesaid (unless
such Holder shall have so surrendered such Security and shall have instructed
the Company to effect the conversion or exchange on a particular date following
such surrender and such Holder shall be entitled to convert or exchange such
Security on such date, in which case such conversion or exchange shall be deemed
to be effected immediately prior to the close of business on such date) and at
such time the rights of the Holder of such Security as such Security Holder
shall cease and the person or persons in whose name or names any securities or
property (including securities of other issuers, provided that such securities
are registered under Section 12 of the Exchange Act and such issuer is then
eligible to use Form S-3 (or any successor form) for a primary offering of its
securities) of the Company shall be issuable or deliverable upon such conversion
or exchange shall be deemed to have become the Holder or Holders of record of
the shares represented thereby. Except as set forth above and subject to the
final paragraph of Section 307, no payment or adjustment shall be made upon any
conversion or exchange on account of any interest accrued on the Securities
surrendered for conversion or exchange or on account of any interest or
dividends on the Securities or property (including securities of other issuers,
provided that such securities are registered under Section 12 of the Exchange
Act and such issuer is then eligible to use Form S-3 (or any successor form) for
a primary offering of its securities) of the Company issued or delivered upon
such conversion or exchange.

         Nothwithstanding anything to the contrary contained herein, no Holder
may exercise any conversion or exchange privilege or right, if as a result of
such conversion or exchange such Person would be deemed to beneficially own, in
any capacity, directly or indirectly, more than 9.9% of the value of the
Company's then outstanding capital stock, and the Company and the Trustee may
take any action deemed necessary to prevent the loss of the Company's status
under the Internal Revenue Code of 1986, as amended, as a "real estate
investment trust" as a result of any conversion or exchange of any Security.

         In the case of any Security which is converted or exchanged in part
only, upon such conversion or exchange the Company shall execute and the Trustee
shall authenticate and deliver to or on the order of the Holder thereof, at the
expense of the Company, a new Security or Securities of the same series, of
authorized denominations, in aggregate principal amount equal to the unconverted
or unexchanged portion of such Security.

         SECTION 1611.  Effect of Consolidation or Merger on Conversion 
                        Privilege.

         In case of any consolidation of the Company with, or merger of the
Company into or with any other Person, or in case of any sale of all or
substantially all of the assets of the Company, the Company or the Person formed
by such consolidation or the Person into which the Company shall have been
merged or the Person which shall have acquired such assets, as the case may be,
shall execute and deliver to the Trustee a supplemental indenture providing that
the Holder of each Security then outstanding of any series that is convertible
into securities of the Company shall have the right, which right shall be the
exclusive conversion right thereafter available to said Holder (until the
expiration of the conversion right of such Security), to convert such Security
into the kind and amount of shares of stock or other securities or property
(including cash) receivable upon such consolidation, merger or sale by a holder
of the number of shares or units of securities of the Company into which such
Security might have been converted immediately prior to such consolidation,
merger or sale, subject to compliance with the other provisions of this
Indenture, such Security and such supplemental indenture. Such supplemental
indenture shall provide for adjustments which shall be as nearly equivalent as
may be practicable to the adjustments provided for in such Security. The above
provisions of this Section shall similarly apply to successive consolidations,
mergers or sales. It is expressly agreed and understood that anything in this
Indenture to the contrary notwithstanding, if, pursuant to such merger,
consolidation or sale, holders of outstanding shares of Common Stock of the
Company or other securities into which the Security is convertible do not
receive shares of common stock of the surviving corporation, but receive other
securities, cash or other property or any combination thereof, Holders of
Securities shall not have the right to thereafter convert their Securities into
common stock or other securities having substantially identical terms as the
Company securities into which the Security was originally convertible of the
surviving corporation or the corporation which shall have acquired such assets,
but rather, shall have the right upon such conversion to receive the other
securities, cash or other property receivable by a holder of the number of
shares of Common Stock or such other securities of the Company into which the
Securities held by such holder might have been converted immediately prior to
such consolidation, merger or sale, all as more fully provided in the first
sentence of this Section 1611. Anything in this Section 1611 to the contrary
notwithstanding, the provisions of this Section 1611 shall not apply to a merger
or consolidation of another corporation with or into the Company pursuant to
which both of the following conditions are applicable: (i) the Company is the
surviving corporation and (ii) the outstanding shares of Company Common Stock or
other securities of the Company into which the Security was originally
convertible are not changed or converted into any other securities or property
(including cash) or reclassified pursuant to the terms of such merger or 
consolidation.

         As evidence of the kind and amount of shares of stock or other
securities or property (including cash) into which Securities may properly be
convertible after any such consolidation, merger or sale, or as to the
appropriate adjustments of the conversion prices applicable with respect
thereto, the Trustee shall be furnished with and may accept the certificate or
opinion of an independent certified public accountant with respect thereto; and,
in the absence of bad faith on the part of the Trustee, the Trustee may
conclusively rely thereon, and shall not be responsible or accountable to any
Holder of Securities for any provision in conformity therewith or approved by
such independent certified accountant which may be contained in said
supplemental indenture.

                               ARTICLE SEVENTEEN

                                 SUBORDINATION

         SECTION 1701.    Agreement to Subordinate.

         Except as otherwise provided in a supplemental indenture or pursuant to
Section 301, the Company agrees, and each Holder by accepting a Security agrees,
that the indebtedness evidenced by the Securities is subordinated in right of
payment, to the extent and in the manner provided in this Article, to the prior
payment in full of all Senior Debt and that the subordination is for the benefit
of the holders of Senior Debt.

         SECTION 1702.    Liquidation; Dissolution; Bankruptcy.

         Upon any distribution to creditors of the Company in a liquidation or
dissolution of the Company or in a bankruptcy, reorganization, insolvency,
receivership or similar proceeding relating to the Company or its property:

         (1)     holders of Senior Debt shall be entitled to receive payment in
full in cash of the principal of and interest (including interest accruing
after the commencement of any such proceeding) to the date of payment on the
Senior Debt before Holders shall be entitled to receive any payment of
principal of or interest on Securities;

         (2)     until the Senior Debt is paid in full in cash, any
distribution to which Holders would be entitled but for this Article shall be
made to holders of Senior Debt as their interests may appear, except that
Holders may receive securities that are subordinated to Senior Debt to at least
the same extent as the Securities; and

         (3)     the Trustee is entitled to conclusively rely upon an order or
decree of a court of competent jurisdiction or a certificate of a bankruptcy
trustee or other similar official for the purpose of ascertaining the persons
entitled to participate in such distribution, the holders of Senior Debt and
other Company debt, the amount thereof or payable thereon and all other
pertinent facts relating to the Trustee's obligations under this Article
Seventeen.

         SECTION 1703.    Default on Senior Debt.

         The Company may not pay principal of or interest on the Securities and
may not acquire any Securities for cash or property other than capital stock of
the Company if:

         (1)     a default on Senior Debt occurs and is continuing that permits
holders of such Senior Debt to accelerate its maturity, and

         (2)     the default is the subject of judicial proceedings or the
Company receives a notice of the default from a person who may give it pursuant
to Section 1711.  If the Company receives any such notice, a similar notice
received within nine months thereafter relating to the same default on the same
issue of Senior Debt shall not be effective for purposes of this Section.

         The Company may resume payments on the Securities and may acquire them
when: 

                (a)      the default is cured or waived, or 

                (b)      120 days pass after the notice is given if the 
                         default is not the subject of judicial proceedings,

if this Article otherwise permits the payment or acquisition at that time.

         SECTION 1704.    Acceleration of Securities.


                                      67
<PAGE>   75

         If payment of the Securities is accelerated because of an Event of
Default, the Company shall promptly notify holders of Senior Debt of the
acceleration.  The Company may pay the Securities when 120 days pass after the
acceleration occurs if this Article permits the payment at that time.

         SECTION 1705.    When Distribution Must Be Paid Over.

         If a distribution is made to Holders that because of this Article
should not have been made to them, the Holders who receive the distribution
shall hold it in trust for holders of Senior Debt and pay it over to them as
their interests may appear.

         SECTION 1706.    Notice by Company.

         The Company shall promptly notify the Trustee, in writing, and any
Paying Agent of any facts known to the Company that would cause a payment of
principal of or interest on Securities to violate this Article.

         SECTION 1707.    Subrogation.

         After all Senior Debt is paid in full and until the Securities are
paid in full, Holders shall be subrogated to the rights of holders of Senior
Debt to receive distributions applicable to Senior Debt to the extent that
distributions otherwise payable to the Holders have been applied to the payment
of Senior Debt.  A distribution made under this Article to holders of Senior
Debt which otherwise would have been made to Holders is not, as between the
Company and Holders, a payment by the Company on Senior Debt.

         SECTION 1708.    Relative Rights.

         This Article defines the relative rights of Holders and holders of
Senior Debt.  Nothing in this Indenture shall:

         (1)     impair, as between the Company and Holders, the obligation of
the Company, which is absolute and unconditional, to pay principal of and
interest on the Securities in accordance with their terms;

         (2)     affect the relative rights of Holders and creditors of the
Company other than holders of Senior Debt; or

         (3)     prevent the Trustee or any Holder from exercising its
available remedies upon an Event of Default, subject to the rights of holders
of Senior Debt to receive distributions otherwise payable to Holders.

         If the Company fails because of this Article to pay principal of or
interest on a Security on the due date, the failure is still a default.

         SECTION 1709.    Subordination May Not Be Impaired By Company.

         No right of any holder of Senior Debt to enforce the subordination of
the indebtedness evidenced by the Securities shall be impaired by any act or
failure to act by the Company or by its failure to comply with this Indenture.

         SECTION 1710.    Distribution or Notice to Representative.

         Whenever a distribution is to be made or a notice given to holders of
Senior Debt, the distribution may be made and the notice given to their
Representative.

         SECTION 1711.    Rights of Trustee and Paying Agent.

         The Trustee or any Paying Agent may continue to make payments on the
Securities until it receives written notice of facts that would cause a payment
of principal of or interest on the Securities to violate this


                                      68
<PAGE>   76
Article.  Only the Company, a Representative or a holder of an issue of Senior
Debt that has no Representative may give the written notice.

         The Trustee has no fiduciary duty to the holders of Senior Debt other
than as created under this Indenture.  The Trustee in its individual or any
other capacity may hold Senior Debt with the same rights it would have if it
were not Trustee.

         The Company's obligation to pay, and the Company's payment of, the
amounts required by Section 606 are excluded from the operation of this
Article Seventeen.

         This Indenture may be executed in any number of counterparts, each of
which so executed shall be deemed to be an original, but all such counterparts
shall together constitute but one and the same Indenture.

         IN WITNESS WHEREOF, the parties hereto have caused this Indenture to
be duly executed by their respective officers hereunto duly authorized, all as
of the day and year first above written.

         IRT PROPERTY COMPANY


         By:
         Name:
         Title:




         SUNTRUST BANK, ATLANTA, as Trustee


         By:
         Name:
         Title:


                                      69
<PAGE>   77
                                  EXHIBIT A

                            FORM OF CERTIFICATION
                                 EXHIBIT A-1

             FORM OF CERTIFICATE TO BE GIVEN BY PERSON ENTITLED
              TO RECEIVE BEARER SECURITY OR TO OBTAIN INTEREST
                     PAYABLE PRIOR TO THE EXCHANGE DATE
                                 CERTIFICATE


         [Insert title or sufficient description of Securities to be delivered]

         This is to certify that, as of the date hereof, and except as set
forth below, the above-captioned Securities held by you for our account (i) are
owned by person(s) that are not citizens or residents of the United States,
domestic partnerships, domestic corporations or any estate or trust the income
of which is subject to United States federal income taxation regardless of its
source ("United States person(s)"), (ii) are owned by United States person(s)
that are (a) foreign branches of United States financial institutions
(financial institutions, as defined in United States Treasury Regulations
Section 1.165-12(c)(1)(v) are herein referred to as "financial institutions")
purchasing for their own account or for resale, or (b) United States person(s)
who acquired the Securities through foreign branches of United States financial
institutions and who hold the Securities through such United States financial
institutions on the date hereof (and in either case (a) or (b), each such
United States financial institution hereby agrees, on its own behalf or through
its agent, that you may advise__________________ or its agent that such
financial institution will provide a certificate within a reasonable time
stating that it agrees to comply with the requirements of Section 165(j)(3)(A),
(B) or (C) of the United States Internal Revenue Code of 1986, as amended, and
the regulations thereunder), or (iii) are owned by a financial institution for
purposes of resale during the restricted period (as defined in United States
Treasury Regulations Section 1.1635(c)(2)(i)(D)(7)), and, such financial
institution described in clause (iii) above (whether or not also described in
clause (i) or (ii)), certifies that it has not acquired the Securities for
purposes of resale directly or indirectly to a United States person or to a
person within the United States or its possessions.

         As used herein, "United States" means the United States of America
(including the States and the District of Columbia); and its "possessions"
include Puerto Rico, the U.S. Virgin Islands, Guam, American Samoa, Wake Island
and the Northern Mariana Islands.

         We undertake to advise you promptly by tested telex on or prior to the
date on which you intend to submit your certification relating to the
above-captioned Securities held by you for our account in accordance with your
Operating Procedures if any applicable statement herein is not correct on such
date, and in the absence of any such notification it may be assumed that this
certification applies as of such date.  This certificate excepts and does not
relate to [U.S.$] of such interest in the above-captioned Securities in
respect of which we are not able to certify and as to which we understand an
exchange for an interest in a permanent global Security or an exchange for and
delivery of definitive Securities (or, if relevant, collection of any interest)
cannot be made until we do so certify.

         We understand that this certificate may be required in connection with
certain tax legislation in the United States. If
<PAGE>   78


administrative or legal proceedings are commenced or threatened in connection
with which this certificate is or would be relevant, we irrevocably authorize
you to produce this certificate or a copy thereof to any interested party in
such proceedings.

         Dated:_________________, ____ [To be dated no earlier than the 15th
day prior to the earlier of (i) the Exchange Date or (ii) the relevant Interest
Payment Date occurring prior to the Exchange Date, as applicable]

                                          [Name of Person Making 
                                          Certification]



                                          (Authorized Signator)  
                                          Name:                  
                                          Title:                 
<PAGE>   79


                                 EXHIBIT A-2

                FORM OF CERTIFICATE TO BE GIVEN BY EUROCLEAR
              AND CEDEL S.A. IN CONNECTION WITH THE EXCHANGE OF
               A PORTION OF A TEMPORARY GLOBAL SECURITY OR TO
             OBTAIN INTEREST PAYABLE PRIOR TO THE EXCHANGE DATE
                                 CERTIFICATE

         [Insert title or sufficient description of Securities to be delivered]

         This is to certify that, based solely on written certifications that
we have received in writing, by tested telex or by electronic transmission from
each of the persons appearing in our records as persons entitled to a portion
of the principal amount set forth below (our "Member Organizations")
substantially in the form attached hereto, as of the date hereof, (U.S.$)
principal amount of the above-captioned Securities (i) is owned by persons(s)
that are not citizens or residents of the United States, domestic partnerships,
domestic corporations or any estate or trust the income of which is subject to
United States Federal income taxation regardless of its source ("United States
person(s)"), (ii) is owned by United States person(s) that are (a) foreign
branches of United States financial institutions (financial institutions, as
defined in United States Treasury Regulations Section 1.165-12(c)(1)(v) are
herein referred to as "financial institutions") purchasing for their own
account or for resale, or (b) United States person(s) who acquired the
Securities through foreign branches of United States financial institutions and
who hold the Securities through such United States financial institutions on
the date hereof (and in either case (a) or (b), each such financial institution
has agreed, on its own behalf or through its agent, that we may
advise_________________________ or its agent that such financial institution
will provide a certificate within a reasonable time stating that it agrees to
comply with the requirements of Section 165(j)(3)(A), (B), or (C) of the
Internal Revenue Code of 1986, as amended, and the regulations thereunder), or
(iii) is owned by a financial institution for purposes of resale during the
restricted period (as defined in United States Treasury Regulations Section
1.163-5(c)(2)(i)(D)(7)), and that such financial institutions described in
clause (iii) above (whether or not also described in clause (i) or (ii)) have 
certified that they have not acquired the Securities for purposes of resale 
directly or indirectly to a United States person or to a person within the 
United States or its possessions.

         As used herein, "United States" means the United States of America
(including the States and the District of Columbia); and its "possessions"
include Puerto Rico, the U.S. Virgin Islands, Guam, American Samoa, Wake Island
and the Northern Mariana Islands.

         We further certify that (i) we are not making available herewith for
exchange (or, if relevant, collection of any interest) any portion of the
temporary global Security representing the above-captioned Securities excepted
in the above-referenced certificates of Member Organizations and (ii) as of the
date hereof we have not received any notification from any of our Member
Organizations to the effect that the statements made by such Member
Organizations with respect to any portion of the part submitted herewith for
exchange (or, if relevant, collection of any interest) are no longer true and
cannot be relied upon as of the date hereof.

         We understand that this certification is required in connection with
certain tax legislation in the United States.  If administrative or legal
proceedings are commenced or threatened in connection with which this
certificate is or would be relevant, we
<PAGE>   80


irrevocably authorize you to produce this certificate or a copy thereof to any
interested party in such proceedings.

Dated:_________________________ , ____

[To be dated no earlier than the earlier of the Exchange Date or the relevant
Interest Payment Date occurring prior to the Exchange Date, as applicable]



                                                          ,
                                                         as



By:

<PAGE>   1
                                                                 EXHIBIT 12.1


COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES

<TABLE>
<CAPTION>
     
                                                                               Years Ended December 31,

                                        --------------        -------------        ------------     -------------    -------------
                                             1993                 1994                1995               1996            1997
                                             ----                 ----                ----               ----            ----
<S>                                     <C>                   <C>                  <C>              <C>              <C>
Pretax income                           $  16,328,776         $   8,963,505        $ 15,723,051     $  16,834,204    $  26,112,680

Fixed charges:
  Interest expense (1)                     13,092,224            14,552,868          17,572,442        17,750,218       15,587,354
  Amortization of debt costs                  212,421               446,454             445,907           595,604          422,606
  Rent expense representing
    an interest factor                        261,192               115,675              46,760            46,760           46,760
  Preferred stock dividends                         0                     0                   0                 0                0
                                        -------------         -------------        ------------     -------------    -------------

Earnings available for fixed
    charges                             $  29,894,613         $  24,078,502        $ 33,788,160     $  35,226,786    $  42,169,400 
                                        =============         =============        ============     =============    =============
               
Fixed charges:
   Interest expense (1)                 $  13,092,224         $  14,552,868        $ 17,572,442     $  17,750,218    $  15,587,354
   Capitalized interest                             0                94,225              93,591            62,516                0
   Amortization of debt costs                 212,421               446,454             445,907           595,604          422,606
   Rent expense representing 
     an interest factor                       261,192               115,675              46,760            46,760           46,760
   Preferred stock dividends                        0                     0                   0                 0                0
                                        -------------         -------------        ------------     -------------    -------------
                                        $  13,565,837         $  15,209,222        $ 18,158,700     $  18,455,098    $  16,056,720
                                        =============         =============        ============     =============    =============
RATIO OF EARNINGS TO
  FIXED CHARGES (2)                              2.20 x                1.58 x              1.86 x            1.91 x           2.63 x
                                                 ====                  ====                ====              ====             ====
</TABLE>

(1)  Includes amortization of interest discount on 7.45% and 7.25% Senior Notes.

(2)  For purposes of computing this ratio, earnings have been calculated by
     adding fixed charges (excluding capitalized interest) to income before
     income taxes and extraordinary items.  Fixed charges consist of interest
     costs, whether expensed or capitalized, the interest component of rental
     expense, amortization of debt costs, discounts and issues costs, whether
     expensed or capitalized, and preferred stock dividends.

<PAGE>   1
                                                                    EXHIBIT 23.1




                   CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS






     As independent public accountants, we hereby consent to the incorporation
by reference in this registration statement of our reports dated January 30,
1998 included in IRT Property Company's Form 10-K for the year ended December
31, 1997 and to all references to our firm included in this registration
statement.




                                   ARTHUR ANDERSEN LLP












Atlanta, Georgia
March 23, 1998


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