SBA COMMUNICATIONS CORP
8-K, 1998-10-23
CONSTRUCTION - SPECIAL TRADE CONTRACTORS
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<PAGE>
 
                      SECURITIES AND EXCHANGE COMMISSION
                            WASHINGTON, D.C. 20549


                                   FORM 8-K


CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF
                                     1934.
                                        

                DATE OF REPORT                  OCTOBER 8, 1998

                                        
                        SBA COMMUNICATIONS CORPORATION
                        ------------------------------
            (Exact name of registrant as specified in its charter)


           Florida                       333-50219              65-0716501 
- --------------------------------------------------------------------------------
  (State or other jurisdiction of   Commission File Number   (I.R.S. Employer 
   incorporation or organization)                           Identification No.) 


     One Town Center Road, Boca Raton, Florida                 33486 
- --------------------------------------------------------------------------------
      (Address of principal executive offices)               (Zip code)  
      

                                 (561) 995-7670
- --------------------------------------------------------------------------------
             (Registrant's telephone number, including area code)
<PAGE>
 
Item 2    Acquisition or Disposition of Assets
 
          On October 8, 1998, SBA Towers Louisiana, Inc., a Louisiana
          Corporation and a wholly owned subsidiary of the registrant,
          consummated a stock purchase of Caddo Tower Company, Inc., a Louisiana
          corporation. The aggregate purchase price was $4.9 million and was
          funded from cash on hand. The transaction was negotiated at arms-
          length. Significant assets of the company acquired on the date of
          closing consisted of nine telecommunications towers, which are
          currently being leased to third party wireless communication
          providers. On the date of closing, Caddo Tower Company, Inc. did not
          have any significant liabilities.

          The registrant intends to integrate these towers into its rental tower
          business by continuing to lease space on these towers to third party
          wireless communication providers. The towers are located in Louisiana.


Item 7.  Financial Statements and Exhibits

               (c)  Exhibits

                         2.1  Stock Purchase Agreement dated October 8, 1998
                              between SBA Towers Louisiana, Inc. and Caddo Tower
                              Company, Inc. and Leroy Faith.
<PAGE>
 
                                   SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the
registrant has duly caused this report to be signed on its behalf by the
undersigned, thereunto duly authorized.



October 23, 1998                                        /s/  Robert M. Grobstein
                                                        ------------------------
                                                        Robert M Grobstein
                                                        Chief Financial Officer



                                        

<PAGE>
 
                            STOCK PURCHASE AGREEMENT
                            ------------------------

     THIS STOCK PURCHASE AGREEMENT (this "Agreement"), dated as of the Effective
                                          ---------                             
Date, among SBA TOWERS LOUISIANA, INC., a Florida corporation, with its
principal place of business located at One Town Center Road, 3rd Floor, Boca
Raton, Florida 33486, Attention: Jeffrey A. Stoops, Senior Vice President, Fax
Number (561) 997-0343 ("Purchaser"), LEROY FAITH, residing at 111 Sussex,
                        ---------                                        
Bossier City, Louisiana  71111 ("Seller"), CADDO TOWER COMPANY, INC., a
                                 ------                                
Louisiana corporation, with its principal place of business located at 933
Stoner Avenue, Shreveport, Louisiana 71101, Attention: Mr. Leroy Faith, Fax
Number (318) 227-8955 ("CTI") and WILLIAM H. LEDBETTER, JR., ESQUIRE, with his
                        ---                                                   
principal place of business located at 2285 Benton Road, Suite D-101, Bossier
City, Louisiana 71111, Fax Number (318) 742-0953 ("Escrow Agent").
                                                   ------------   

                                  WITNESSETH:
                                  ---------- 

     In consideration of the mutual covenants contained in this Agreement, and
other good and valuable consideration, the receipt and sufficiency of which are
hereby acknowledged, CTI, Seller and Purchaser hereby agree as follows:

     1.  DEFINITIONS.  Capitalized terms used but not otherwise defined in this
         -----------                                                           
Agreement will have the meanings set forth in Exhibit "1".
                                              ----------- 

     2.  SALE AND PURCHASE.  Subject to the terms, conditions, conditions and
         -----------------                                                   
covenants of this Agreement, Seller will sell and transfer the Shares to
Purchaser and Purchaser will purchase the Shares from Seller.

     3.  PURCHASE PRICE AND METHOD OF PAYMENT.
         ------------------------------------ 

         3.1  Purchase Price.  The Purchase Price for the Shares is Four Million
              --------------                                                    
Nine Hundred Twenty Five Thousand and No/100 Dollars ($4,925,000.00).

         3.2  Payment of Purchase Price.
              ------------------------- 

              3.2.1 On the Effective Date, Purchaser will deliver the Deposit in
the amount of One Hundred Thousand and No/100 Dollars ($100,000.00) in Current
Funds to Escrow Agent as an earnest money deposit payment. Escrow Agent will
immediately place the Deposit in an interest-bearing account or money market
fund. The Deposit will be a credit to Purchaser against the Purchase Price and
applied as a payment on account thereof at Closing. All interest earned on the
Deposit will accrue to the benefit of Purchaser at Closing.

              3.2.2 On the Closing Date, Purchaser will pay Seller by Current
Funds, the balance of the Purchase Price, subject to all adjustments, credits
and prorations provided for in Section 3.2.1 and Section 11. Escrow Agent will
disburse the Deposit and all accrued interest
<PAGE>
 
thereon to Seller at Closing; provided, however, that all accrued interest on
the Deposit shall be credited against the Purchase Price.

     4.  REPRESENTATIONS AND WARRANTIES OF SELLER AND CTI.  As a material
         ------------------------------------------------                
inducement to Purchaser to enter into this Agreement, Seller and CTI jointly and
severally represent and warrant to Purchaser as follows:

         4.1  Organization and Good Standing. CTI is a corporation duly
              ------------------------------
organized, validly existing, and in good standing under the laws of Louisiana,
with full corporate power and authority to conduct its business as it is now
being conducted, to own or use the properties and assets that it purports to own
or use, and to perform all its obligations under all Ground Leases, the
Easements/Servitudes and the Tenant Leases. The ownership or use of the
properties owned or used by CTI, or the nature of the activities conducted by
CTI, does not require CTI to be qualified to do business as a foreign
corporation in any jurisdiction.

         4.2  Duly Authorized.  Each of CTI and Seller have the absolute and
              ---------------                                               
unrestricted right, power, authority (corporate or otherwise), and capacity to
execute and deliver this Agreement and the Seller's Closing Documents to which
each of them is a party and to perform their obligations under this Agreement
and the Seller's Closing Documents to which each of them is a party.  The
execution and delivery of this Agreement and each of the Seller's Closing
Documents, as well as the consummation of the Contemplated Transactions, have
been approved by the Board of Directors and shareholders of CTI and no other
corporate proceedings on the part of CTI (including without limitation obtaining
approval of CTI's shareholders) shall be necessary or required to authorize this
Agreement, each of the Seller's Closing Documents and the Contemplated
Transactions.

         4.3  No Subsidiaries.  CTI does not own any Subsidiaries.
              ---------------                                     

         4.4  Enforceability.  This Agreement constitutes the legal, valid, and
              --------------                                                   
binding obligation of each of Seller and CTI, enforceable against each of Seller
and CTI in accordance with its terms. Upon the execution and delivery by Seller
and CTI of each of the Seller's Closing Documents to which it is a party, each
of the Seller's Closing Documents will constitute the legal, valid, and binding
obligations of Seller or CTI, as the case may be, enforceable against Seller and
CTI in accordance with its respective terms.

         4.5  No Conflicts. Neither the execution and delivery of this Agreement
              ------------  
nor the consummation or performance of any of the transactions contemplated by
this Agreement, each of the Seller's Closing Documents, or any agreement,
instrument or document contemplated thereby, will, directly or indirectly (with
or without notice or lapse of time or both) contravene, conflict with, or result
in a violation of any provision of the Organizational Documents of CTI, or any
resolution adopted by the board of directors or the shareholders of CTI, cause
Purchaser or CTI to become subject to, or to become liable for the payment of,
any Tax, contravene, conflict with, or result in a violation or breach of any
provision of, or give any Person the right to declare a default or exercise any
remedy under, any Legal Requirement or any Contract to which CTI or Seller is a
party or any

                                       2
<PAGE>
 
of the assets owned or used by CTI may be subject, or result in the imposition
or creation of any encumbrance upon or with respect to any of the assets owned
or used by CTI.


         4.6  No Consents. Except as otherwise provided in this Agreement,
              -----------    
Seller and CTI shall not be required to give any notice to or obtain any consent
or approval from any Person in connection with the execution and delivery of
this Agreement or the consummation or performance of any of the Contemplated
Transactions.

         4.7  Capitalization. The correct and complete authorized capital stock
              --------------
of CTI consists of 1,000 shares of common stock, no par value per share, of
which 100 shares are issued and outstanding and constitute the Shares, and of
which 100 shares are "treasury shares." There are no Contracts relating to the
issuance, delivery, registration, sale, or transfer of any equity securities or
other securities of CTI.

         4.8  Title to and Issuance of Shares. Seller is and will be on the
              -------------------------------
Closing Date the record and beneficial owner and holder of the Shares, free and
clear of all encumbrances. None of the Shares are subject to pre-emptive or
similar rights, either pursuant to any Organizational Document or any Contract,
and no Person has any pre-emptive rights or similar rights to purchase or
receive any equity securities or other securities of CTI.

         4.9  Financial Statements. Seller has delivered to Purchaser a compiled
              --------------------
balance sheet of CTI at and as of July 31, 1997 (the "Balance Sheet"), and the
related compiled statements of income, changes in stockholders' equity, and cash
flows for the fiscal year then ended, including the notes thereto (collectively,
the "Financial Statements"). For purposes of this Agreement, the terms "Balance
Sheet" and "Financial Statements" shall also include the balance sheets and
financial statements, as the case may be, to be provided to Purchaser pursuant
to Section 6.1.11. The Financial Statements fairly present the financial
condition and the results of operations, changes in stockholders' equity, and
cash flows of CTI at the respective dates of and for the periods referred to in
such Financial Statements, all in accordance with GAAP. Each Balance Sheet
reflects the consistent application of such accounting principles throughout the
periods involved. No financial statements of any Person other than CTI are
required by GAAP to be included in the Financial Statements.

         4.10 Books and Records. The books of account, minute books, stock
              -----------------
record books, and other records of CTI, all of which have been made available to
Purchaser, are true, complete and correct and have been maintained in accordance
with sound business practices. At the Closing, all such books and records will
be delivered to Purchaser.

         4.11 No Undisclosed Liabilities. CTI has no liabilities or obligations
              --------------------------
of any nature (whether known or unknown and whether absolute, accrued,
contingent, or otherwise) except for liabilities or obligations reflected or
reserved against in the Financial Statements and current liabilities incurred in
the Ordinary Course of Business since the respective dates thereof.

                                       3
<PAGE>
 
         4.12 Taxes. CTI has filed or caused to be filed (on a timely basis
              -----
since January 1, 1994) all Tax Returns that are or were required to be filed by
or with respect to any of them, either separately or as a member of a group of
corporations, pursuant to applicable Legal Requirements. Seller has delivered or
made available to Purchaser copies of all such Tax Returns relating to income or
franchise taxes filed since January 1, 1994. CTI has paid, or made provision for
the payment of, all Taxes that have or may have become due pursuant to those Tax
Returns or otherwise, or pursuant to any assessment received by Seller or CTI.
None of CTI's United States federal and state income Tax Returns have been
audited by the IRS or relevant state tax authorities. The charges, accruals, and
reserves with respect to Taxes on the respective books of CTI are adequate
(determined in accordance with GAAP) and are at least equal to CTI's liability
for Taxes. There exists no proposed tax assessment against CTI except as
disclosed in the Financial Statements or in the Disclosure Letter. No consent to
the application of Section 341(f)(2) of the Code has been filed with respect to
any property or assets held, acquired, or to be acquired by CTI. All Taxes that
CTI is or was required by Legal Requirements to withhold or collect have been
duly withheld or collected and, to the extent required, have been paid to the
proper Governmental Authority or other Person. All Tax Returns filed by CTI are
true, correct, and complete. There is no tax sharing agreement that will require
any payment by CTI after the date of this Agreement. CTI is not, nor within the
five-year period preceding the Closing Date has not been, a corporation taxable
as an "S corporation" under Subtitle A, Chapter I, Subchapter S of the Code.

         4.13 Employee Benefit Plans and Compliance with ERISA.  Neither CTI nor
              ------------------------------------------------                  
any of its Affiliates has ever established, sponsored, maintained, contributed
to or otherwise participated in, or had any obligation to establish, sponsor,
maintain, contribute to or otherwise participate in, any compensation, profit
sharing, bonus, deferred compensation, savings, insurance, pension, retirement,
or other employee benefit plan or arrangement which is or was governed by or
subject to the Employee Retirement Income Security Act of 1974, or any successor
law, or any regulations or rules issued pursuant to that Act or any successor
law.  Neither CTI nor any of its Affiliates provide health or welfare benefits
for any retired or former employee or are obligated to provide health or welfare
benefits to any active employee following such employee's retirement or other
termination of service.  The consummation of the Contemplated Transactions will
not result in the payment, vesting, or acceleration of any benefit.

         4.14 Compliance with Legal Requirements and Governmental 
              ---------------------------------------------------
Authorizations. CTI is, and at all times since August 1, 1995, has been, in full
- --------------
compliance with each Legal Requirement that is or was applicable to it or to the
conduct or operation of its business or the ownership or use of any of its
assets. No event has occurred or circumstance exists that (with or without
notice or lapse of time or both) may constitute or result in a violation by CTI
of, or a failure on the part of CTI to comply with, any Legal Requirement, or
may give rise to any obligation on the part of CTI to undertake, or to bear all
or any portion of the cost of, any remedial action of any nature. CTI has not
received, at any time since August 1, 1995, any notice or other communication
(whether oral or written) from any Governmental Authority or any other Person
regarding any actual, alleged, possible, or potential violation of, or failure
to comply with, any Legal Requirement, or any actual, alleged, possible, or
potential obligation on the part of CTI to undertake, or to bear all or any
portion

                                       4
<PAGE>
 
of the cost of, any remedial action of any nature. The use, maintenance and
operation of the Property by CTI, Seller, the Tenants and, to the best knowledge
of CTI and Seller, all other Persons, is in full compliance with all
Easements/Servitudes, restrictive covenants, reservations and similar matters of
record. There are no outstanding notices of violation currently in effect for
the Property. The Disclosure Letter contains a complete and accurate list of
each Governmental Authorization that is held by CTI or that otherwise relates to
the business of, or to any of the assets owned or used by, CTI. Each
Governmental Authorization listed or required to be listed in the Disclosure
Letter is valid and in full force and effect. CTI is, and at all times since
August 1, 1995 has been, in full compliance with all of the terms and
requirements of each Governmental Authorization identified or required to be
identified in the Disclosure Letter. No event has occurred or circumstance
exists that may (with or without notice or lapse of time or both) constitute or
result directly or indirectly in a violation of or a failure to comply with any
term or requirement of any Governmental Authorization listed or required to be
listed in the Disclosure Letter, or result directly or indirectly in the
revocation, withdrawal, suspension, cancellation, or termination of, or any
modification to, any Governmental Authorization listed or required to be listed
in the Disclosure Letter. CTI has not received, at any time since August 1,
1995, any notice or other communication (whether oral or written) from any
Governmental Authority or any other Person regarding any actual, alleged,
possible, or potential violation of or failure to comply with any term or
requirement of any Governmental Authorization, or any actual, proposed,
possible, or potential revocation, withdrawal, suspension, cancellation,
termination of, or modification to any Governmental Authorization. All
applications required to have been filed for the renewal of the Governmental
Authorizations listed or required to be listed in the Disclosure Letter have
been duly filed on a timely basis with the appropriate Governmental Bodies, and
all other filings required to have been made with respect to such Governmental
Authorizations have been duly made on a timely basis with the appropriate
Governmental Bodies. The Governmental Authorizations listed in Disclosure Letter
collectively constitute all of the Governmental Authorizations necessary to
permit CTI to lawfully conduct and operate its businesses in the manner it
currently conducts and operates such businesses and to permit CTI to own and use
its assets in the manner in which it currently owns and uses such assets.

         4.15 Legal Proceedings and Orders.  There is no pending Proceeding that
              ----------------------------                                      
has been commenced by or against CTI or that otherwise relates to or may affect
the business of, or any of the assets owned or used by, CTI, or that challenges,
or that may have the effect of preventing, delaying, making illegal, or
otherwise interfering with, any of the Contemplated Transactions.  To the best
knowledge of Seller and CTI, no such Proceeding has been threatened, and no
event has occurred or circumstance exists that may give rise to or serve as a
basis for the commencement of any such Proceeding. Seller and CTI have delivered
to Purchaser copies of all pleadings, correspondence, and other documents
relating to each Proceeding listed in the Disclosure Letter. The Proceedings
listed in the Disclosure Letter will not have a material adverse effect on the
business, operations, assets, condition, or prospects of CTI.  There is no Order
to which Seller, CTI, or any of the assets owned or used by CTI, is subject,
neither Seller nor CTI is subject to any Order that relates to the business of,
or any of the assets owned or used by, CTI, and no officer, director, agent, or
employee of CTI is subject to any Order that prohibits such officer, director,
agent, or employee from engaging in or continuing any conduct, activity, or
practice relating to the business of CTI.

                                       5
<PAGE>
 
         4.16 Absence of Certain Changes Since Date of Balance Sheet.  Except as
              ------------------------------------------------------            
set forth in the Disclosure Letter and in Section 6.1.10, since the date of the
Balance Sheet, CTI has conducted its business only in the Ordinary Course of
Business and there has not been any (A) change in CTI's authorized or issued
capital stock; grant of any stock option or right to purchase shares of capital
stock of CTI; issuance of any security convertible into such capital stock;
grant of any registration rights; purchase, redemption, retirement, or other
acquisition by CTI of any shares of any capital stock of CTI; or declaration or
payment of any dividend or other distribution or payment in respect of shares of
capital stock, (B) amendment to the Organizational Documents of CTI, (C) payment
or increase by CTI of any bonuses, salaries, or other compensation to any
stockholder, director, officer, or (except in the Ordinary Course of Business)
employee or entry into any employment, severance, or similar Contract with any
director, officer, or employee, (D) adoption of, or increase in the payments to
or benefits under, any profit sharing, bonus, deferred compensation, savings,
insurance, pension, retirement, or other employee benefit plan for or with any
employees of CTI, (E) damage to or destruction or loss of any asset or property
of CTI, whether or not covered by insurance, materially and adversely affecting
the properties, assets, business, financial condition, or prospects of CTI,
taken as a whole, (F) entry into, termination of, or receipt of notice of
termination of any Contract or transaction involving a total remaining
commitment by or to CTI of at least $20,000, (G) sale, lease, or other
disposition of any asset or property of CTI or mortgage, pledge, or imposition
of any lien or other encumbrance on any material asset or property of CTI, (H)
cancellation or waiver of any claims or rights, (I) material change in the
accounting methods used by CTI, (J) material adverse change in the business,
operations, properties, prospects, assets, or condition of CTI, or event that
may result in such a material adverse change, or (K) a Contract by CTI to do any
of the foregoing.

         4.17 Contracts.  The Disclosure Letter contains a complete and accurate
              ---------                                                         
list, and Seller and CTI have delivered to Purchaser true and complete copies,
of:

              4.17.1 the Ground Leases. CTI is the original lessee (or has
validly succeeded to the rights of the original lessee) under each of the Ground
Leases, holds the leasehold interest created under each of the Ground Leases,
and is the sole owner of the Improvements located on the real property being
leased thereunder. The Ground Leases and the Improvements in connection
therewith are, and at Closing, shall be, free and clear of all liens and
encumbrances, excepting only the Permitted Exceptions. Furthermore, CTI and
Seller, jointly and severally, represent and warrant that (A) each Ground Lease
is in full force and effect and has not been modified or amended, (B) CTI is in
actual possession of the leased premises under each of the Ground Leases, (C)
CTI has paid the rent set forth in each of the Ground Leases on a current basis
and there are no past due amounts, (D) except as expressly set forth in the
Ground Leases, CTI is not obligated to pay any additional rent or charges to any
of the Ground Lessors for any period subsequent to the Closing Date, and (E)
neither CTI nor Seller has received notice from or given notice to any Ground
Lessor claiming that such Ground Lessor or Seller is in default under any of the
Ground Leases, and, to the best knowledge of CTI and Seller, there is no event
which, with the giving of notice or the passage of time or both, would
constitute such a default;

                                       6
<PAGE>
 
              4.17.2 the Tenant Leases. CTI is the original lessor (or has
validly succeeded to the rights of the original lessor) under each of the Tenant
Leases. The Tenant Leases are, and at Closing, shall be, free and clear of all
liens and encumbrances, excepting only the Permitted Exceptions. Except for the
rights of the Tenants, as tenants only, pursuant to the Tenant Leases, no Person
other than Purchaser will on the Closing Date be in, or have any right or claim
to, possession of any of the Property. Other than the Tenant Leases, there are
no leases, subleases, licenses or other occupancy agreements (written or oral)
which grant any possessory interest in or to any of the Tower Sites or the
Improvements thereon, or which grant other rights with respect to the use of any
of the Property. Furthermore, Seller and CTI, jointly and severally, represent
and warrant that (A) each Tenant Lease is in full force and effect and has not
been modified or amended, (B) each Tenant has accepted possession of its
premises under its Tenant Lease, (C) except as set forth in Exhibit "4.17.2",
                                                            ----------------
CTI is collecting the rent set forth in each Tenant Lease on a current basis and
there are no past due amounts thereunder in excess of one month, (D) except as
expressly set forth in the Tenant Leases, no Tenant is entitled to any rental
concessions or abatements in rent for any period subsequent to the Closing Date,
(E) CTI has not given notice to any Tenant claiming that the Tenant is in
default under its Tenant Lease, and, to the best knowledge of CTI and Seller,
there is no event which, with the giving of notice or the passage of time or
both, would constitute such a default, (F) CTI has not received notice from any
Tenant claiming that CTI is in default under the Lease, or claiming that there
are defects in the Improvements, which default or defect remains in any manner
uncured, (G) CTI has not received notice from any Tenant asserting any Claims,
offsets or defenses of any nature whatsoever to the performance of its
obligations under its Tenant Lease and, to the best knowledge of Seller and CTI,
there is no event which, with the giving of notice or the passage of time or
both, would constitute the basis of such Claim, offset or defense and (H) except
as expressly set forth in the Tenant Leases, there are no security deposits or
prepaid rentals under any of the Tenant Leases;

              4.17.3 the Easements/Servitudes. CTI is the original grantee (or
has validly succeeded to the rights of the original grantee) under each of the
Easements/Servitudes, has good and marketable title to the Easements/Servitudes,
and is the sole owner of the Improvements located on the easement or servitude
areas thereunder. At Closing, the Easements/Servitudes and the Improvements in
connection therewith shall be free and clear of all liens and encumbrances,
excepting only the Permitted Exceptions. Furthermore, CTI and Seller, jointly
and severally, represent and warrant that (A) each Easement/Servitude is in full
force and effect and has not been modified or amended, (B) CTI is in actual
possession of the easement or servitude area under each of the
Easements/Servitudes, (C) except as expressly set forth in the Ground Leases,
CTI is not obligated to pay any rent or charges under any of the
Easements/Servitudes for any period subsequent to the Closing Date, and (D) CTI
has not given notice to or received notice from any Person claiming that the
Person or CTI is in default under any Easement/Servitude, and, to the best
knowledge of CTI and Seller, there is no event which, with the giving of notice
or the passage of time or both, would constitute such a default;

                                       7
<PAGE>
 
              4.17.4 any other Contract to which CTI is a party or by which any
of the Property is bound. CTI and Seller, jointly and severally, represent and
warrant that (A) each such Contract is in full force and effect and has not been
modified or amended, (B) CTI has paid all sums due thereunder on a current basis
and there are no past due amounts, and (C) neither CTI nor Seller has received
notice from or given notice to any Person claiming that such Person or CTI or
Seller is in default under any such Contract, and, to the best knowledge of CTI
and Seller, there is no event which, with the giving of notice or the passage of
time or both, would constitute such a default under any such Contract.

         4.18 Hazardous Materials. The Property has not in the past been used,
              -------------------
and is not presently being used, for the handling, storage, transportation, or
disposal of hazardous or toxic substances, materials, pollutants or waste (or
similar items under applicable environmental Legal Requirements). To the best of
Seller's knowledge, there has been no release of any such items into the
environment from any of the Tower Sites or in, on or under any of the Tower
Sites.

         4.19 Employees; Independent Contractors.
              ---------------------------------- 

              4.19.1  Employees. The Disclosure Letter contains a complete and
                      ---------
accurate list of the following information for each employee or director of CTI,
including each employee on leave of absence or layoff status: employer; name;
job title; current compensation paid or payable and any change in compensation
since August 1, 1995; vacation accrued; and service credited for purposes of
vesting and eligibility to participate under CTI's pension, retirement, profit-
sharing, thrift-savings, deferred compensation, stock bonus, stock option, cash
bonus, employee stock ownership (including investment credit or payroll stock
ownership), severance pay, insurance, medical, welfare, or vacation plan, or any
other benefit plan. The Disclosure Letter also contains a complete and accurate
list of the following information for each retired employee or director of CTI,
or their dependents, receiving benefits or scheduled to receive benefits in the
future: name, pension benefit, pension option election, retiree medical
insurance coverage, retiree life insurance coverage, and other benefits.

              4.19.2  Tower Observers. Exhibit "4.19.2" contains a complete and
                      ---------------  ----------------
accurate list of all persons engaged by CTI as independent contractors to
observe regarding and report to CTI on the operational status of each tower
(collectively, the "Tower Observers"). CTI represents and warrants that, with
                    ---------------
respect to each Tower Observer: (A) such Tower Observer is an independent
contractor and not an employee of CTI, (B) CTI has not taken and shall not take
any action that would modify the independent contractor status of such Tower
Observer or which would render such Tower Observer an employee of CTI, and (C)
CTI has made all periodic and other filings and payments required to be paid,
made or maintained, in connection with any Tax or Legal Requirement.

         4.20 Labor Relations; Compliance.  Since August 1, 1995, there has not
              ---------------------------                                      
been, there is not presently pending or existing, and there is not threatened,
any Proceeding against or affecting CTI relating to the alleged violation of any
Legal Requirement pertaining to labor relations or 

                                       8
<PAGE>
 
employment matters, including any charge or complaint filed by an employee or
union with the National Labor Relations Board, the Equal Employment Opportunity
Commission, or any comparable Governmental Authority, organizational activity,
or other labor or employment dispute against or affecting CTI or its premises.
No event has occurred or circumstance exists that could provide the basis for
any work stoppage or other labor dispute. CTI has complied in all respects with
all Legal Requirements relating to employment, equal employment opportunity,
nondiscrimination, immigration, wages, hours, benefits, collective bargaining,
the payment of social security and similar taxes, occupational safety and
health, and plant closing. CTI is not liable for the payment of any
compensation, damages, taxes, fines, penalties, or other amounts, however
designated, for failure to comply with any of the foregoing Legal Requirements.

         4.21 Certain Payments.  Since August 1, 1995, neither CTI nor any
              ----------------                                            
director, officer, agent, or employee of CTI, or any other Person associated
with or acting for or on behalf of CTI, has directly or indirectly made any
contribution, gift, bribe, rebate, payoff, influence payment, kickback, or other
payment to any Person, private or public, regardless of form, whether in money,
property, or services to obtain favorable treatment in securing business, to pay
for favorable treatment for business secured, to obtain special concessions or
for special concessions already obtained, for or in respect of any CTI or any
Affiliate thereof, or in violation of any Legal Requirement, or established or
maintained any fund or asset that has not been recorded in the books and records
of CTI.

         4.22 Disclosure. No representation or warranty of Seller or CTI in this
              ----------
Agreement and no statement in the Disclosure Letter omits to state a material
fact necessary to make the statements herein or therein, in light of the
circumstances in which they were made, not misleading. There is no fact known to
Seller or CTI that has specific application to either Seller or CTI (other than
general economic or industry conditions) and that materially adversely affects
the assets, business, prospects, financial condition, or results of operations
of CTI that has not been set forth in this Agreement or the Disclosure Letter.

         4.23 Related Party Transactions. Except as set forth on Exhibit "4.23",
              --------------------------                         -------------
neither Seller nor any Related Person of Seller or CTI has, or has had, any
interest in any property (whether real, personal, or mixed and whether tangible
or intangible), used in or pertaining to CTI's business. Neither Seller nor any
Related Person of Seller or CTI is, or has owned (of record or as a beneficial
owner) an equity interest or any other financial or profit interest in, a Person
that has had business dealings or a material financial interest in any
transaction with CTI, or engaged in competition with CTI with respect to any of
the products or services of CTI in any market presently served by CTI. Except
for the lease by CTI of certain real estate from Shreveport, neither Seller, any
Related Person of Seller nor CTI is a party to any Contract with, or has any
claim or right against, CTI.

         4.24 No Brokers.  Neither CTI nor Seller, nor any of their agents have
              ----------                                                       
incurred any obligation or liability, contingent or otherwise, for brokerage or
finders' fees or agents' commissions or other similar payment in connection with
this Agreement.

                                       9
<PAGE>
 
         4.25 Defects. To best knowledge of CTI and Seller, there are no
              ------- 
physical, structural or mechanical defects in any of the Towers or other
Improvements, and the same are suitable and adequate for their intended use.

         4.26 Utilities and Access. All electric, telephone, drainage facilities
              --------------------
and other utilities required for use and operation of the Tower Sites are
installed up to the boundaries of the Tower Sites within valid, written,
recorded easements or servitudes. Such utilities are in good working order, meet
all current codes and ordinances and are of adequate size and capacity to
service the Tower Sites. Each Tower Site has adequate, direct, indefeasible
legal and practical pedestrian and vehicular access to paved public roads.

         4.27 Mechanics' Liens. On the Closing Date, there will be no
              ----------------
outstanding contracts made or authorized by CTI or Seller for the Improvements
or any other work or services to the Property, including professionals such as
architects, engineers and planners, which have not been fully paid for.

         4.28 Real Property Taxes and Assessments.  All ad valorem real property
              -----------------------------------                               
taxes for the Real Property and all personal property taxes for the Tangible
Personal Property have been fully paid for the year 1998, and all prior years.
There are no existing or pending special assessments, fees or similar
obligations affecting any of the Tower Sites or the Appurtenant Property, which
may be assessed by any Governmental Authority.  CTI and Seller will be liable
for any such special assessments, fees or similar obligations affecting any of
the Tower Sites that arise between the Effective Date and the Closing Date.

         4.29 Condemnation.  There are no present or pending legal or
              ------------                                           
administrative proceedings relative to condemnation, or other taking by any
Governmental Authority, of any portion of the Property, and no such proceeding
is contemplated.

         4.30 No Flood Hazard Area.  To the best knowledge of CTI and Seller, no
              --------------------                                              
Tower Site is located within an area that has been designated by the Federal
Insurance Administration, the Army Corps of Engineers, the Federal Emergency
Management Administration or any other Governmental Authority as being subject
to any special or increased flooding hazards.

         4.31 Accurate Documents. All Contracts, documents, reports, leases,
              ------------------
title insurance policies, title opinions, surveys and other items relating to
the Property and delivered to Purchaser pursuant to this Agreement are true,
correct and complete copies of the originals thereof.

         4.32 Accuracy of Representations and Warranties.  All of CTI's and
              ------------------------------------------                   
Seller's representations and warranties contained in this Agreement and CTI's
and Seller's liability therefor will survive the Closing.  Purchaser will have
no duty to investigate or inquire about the accuracy or veracity of any
representation or warranty of Seller.

                                       10
<PAGE>
 
     5.  REPRESENTATIONS AND WARRANTIES OF PURCHASER.  As a material inducement
         -------------------------------------------                           
to Seller to enter into this Agreement, Purchaser represents and warrants to
Seller as follows:

          5.1  Authority.  Purchaser is a corporation, duly organized and 
               ---------                                                  
validly existing under the laws of the State of Florida, and is duly qualified
to transact business under the laws of the State of Louisiana. All documents,
including this Agreement, executed or to be executed by Purchaser (a) have been
or will be duly authorized, executed and delivered by Purchaser, (b) are or will
be legal, valid and binding obligations of Purchaser, and (c) do not or will not
violate any provisions of any agreement to which Purchaser is a party or to
which it is bound. Purchaser has the full right, power and authority, without
the necessity of obtaining the consent or approval of any other Person, to enter
into this Agreement and to perform its obligations under this Agreement.

          5.2  Accuracy of Representations and Warranties.  All of Purchaser's
               ------------------------------------------                     
representations and warranties contained in this Agreement and Purchaser's
liability therefor will survive the Closing.  Seller will have no duty to
investigate or inquire about the accuracy or veracity of any representation or
warranty of Purchaser.

     6.  COVENANTS OF SELLER.
         ------------------- 

          6.1  Affirmative Covenants.  Between the date of this Agreement and 
               ---------------------                                          
the Closing Date, Seller will, and will cause CTI to:

               6.1.1  conduct the business of CTI only in the Ordinary Course of
Business and will use best efforts to maintain and preserve the Property,
preserve intact the current business organization of CTI, and maintain the
relations and good will with suppliers, customers, landlords, creditors,
employees, agents, and others having business relationships with CTI;

               6.1.2  provide Purchaser and its representatives, agents,
contractors, architects and engineers access to the Property and the financial
records of the Property at any time during normal business hours prior to the
Closing Date, at Purchaser's sole cost and expense, to perform any tests,
borings, inspections, surveys, studies, environmental site assessments and
measurements which Purchaser reasonably deems necessary or appropriate;

               6.1.3  concurrent with its execution of this Agreement, furnish
to Purchaser the Disclosure Letter which shall contain true, correct and
complete copies of all records, documentation and other information in its
possession (or in the possession of Seller's attorneys or other representatives)
as Purchaser may reasonably request concerning CTI, the Shares, and the
ownership, use, operation and condition of the Property, including, the Ground
Leases, the Easements/Servitudes, the Tenant Leases, the Permits, any title
insurance policies, recorded title documents, title abstracts, title opinions,
surveys, plans, engineering reports, soil tests, service contracts, legal
opinions, environmental site assessments and similar items;

                                       11
<PAGE>
 
               6.1.4  permit Purchaser to, without any obligation to do so,
contact any Governmental Authority about any Permits or Legal Requirements
concerning CTI or the Property and contact any Ground Lessor, Tenant or other
Person about CTI or the Ground Leases, the Easements/Servitudes, the Tenant
Leases or any other aspects of the Property;

               6.1.5  cause all indebtedness owed to CTI by Seller or any
Related Person of Seller to be paid in full prior to Closing, cause all
indebtedness owed by CTI to be paid in full prior to Closing and cause all
Contracts to which CTI is a party or by which the Property is bound to be
performed in full or terminated without liability to CTI prior to Closing.

               6.1.6  except for the Tower Observers, cause all employees of CTI
to be terminated effective as of the Closing Date and pay any and all unpaid
amounts, commitments or obligations due, owing or payable to such employees
(whether pursuant to or arising from any Contract or Legal Requirement or in any
other manner), including without limitation all wages, commissions and other
compensation, earned bonuses, severance pay, accrued and unpaid vacation time,
sick leave, accrued and unpaid benefits and disability payments;

               6.1.7  cooperate with Purchaser with respect to all filings or
consents that Purchaser elects to make or obtain or is required by Legal
Requirements or other Persons to make or obtain in connection with the
Contemplated Transactions;

               6.1.8  promptly notify Purchaser in writing if Seller or CTI
becomes aware of any fact or condition that causes or constitutes a Breach of
any of Seller's or CTI's representations and warranties as of the date of this
Agreement, or if Seller or CTI becomes aware of the occurrence after the date of
this Agreement of any fact or condition that would (except as expressly
contemplated by this Agreement) cause or constitute a Breach of any such
representation or warranty had such representation or warranty been made as of
the time of occurrence or discovery of such fact or condition; provided,
however, that should any such fact or condition require any change in the
Disclosure Letter if the Disclosure Letter were dated the date of the occurrence
or discovery of any such fact or condition, Seller and CTI will promptly deliver
to Purchaser a supplement to the Disclosure Letter specifying such change;

               6.1.9  promptly notify Purchaser of the occurrence of any Breach
of any covenant of Seller in this Agreement or of the occurrence of any event
that may make the satisfaction of the conditions in Section 7 impossible or
unlikely;

               6.1.10 at or prior to Closing, transfer the assets of CTI
described in Exhibit "6.1.10" (the "Retained Property") to such Person as Seller
             ----------------      -------------------  
may direct;

               6.1.11 deliver to Purchaser within a reasonable period of time
prior to the Closing Date compiled balance sheets and related statements of
income, changes in stockholders' equity and cash flows, at and for the year
ended July 31, 1998, and Seller hereby represents and 

                                       12
<PAGE>
 
warrants to Purchaser that such financial statements shall have been prepared in
compliance with the provisions of Section 4.9; and

               6.1.12  disclose to Purchaser upon Purchaser's request, on or
prior to the Closing Date, the location of a viable alternative tower site for
the Tower Site located in or about Mansfield, Louisiana.

          6.2  Negative Covenants.
               ------------------ 

               6.2.1   Except as otherwise expressly permitted by this
Agreement, between the date of this Agreement and the Closing Date, Seller will
not, and will cause CTI not to, without the prior consent of Purchaser, take any
affirmative action, or fail to take any reasonable action within Seller's or
CTI's control, as a result of which any of the changes or events listed in
Section 4.16 is likely to occur.

               6.2.2   Until such time, if any, as this Agreement is terminated,
Seller will not, and will cause CTI and its Representatives not to, directly or
indirectly solicit, initiate, or encourage any inquiries or proposals from,
discuss or negotiate with, provide any non-public information to, or consider
the merits of any unsolicited inquiries or proposals from, any Person (other
than Purchaser) relating to any transaction involving the sale of the business
or assets (other than in the Ordinary Course of Business) of CTI, or any of the
capital stock of CTI, or any merger, consolidation, business combination, or
similar transaction involving CTI.

               6.2.3   CTI and Seller will not (a) permit any new occupancy of,
or enter into any new lease, license or other occupancy agreement for, space on
any of the Towers or in any of the Improvements located on any of the Tower
Sites, (b) renew, modify or terminate the Tenant Leases, the Ground Leases or
the Easements/Servitudes, (c) take any action or fail to take any action that
would constitute a default under the Tenant Leases, the Ground Leases or the
Easements/Servitudes, or (d) enter into or renew any management, maintenance,
service or other Contract affecting the Property, without Purchaser's prior
written approval in each instance, which approval will not be unreasonably
withheld or delayed.

               6.2.4   CTI and Seller will not encumber, modify or alter the
Property in any material respect.

     7.  CONDITIONS PRECEDENT TO PURCHASER'S PERFORMANCE.  Purchaser's
         -----------------------------------------------              
obligations hereunder are expressly contingent upon fulfillment of such of the
following terms and conditions (collectively, the "Purchaser's Conditions
                                                   ----------------------
Precedent") as have not been waived in writing by Purchaser:
- ---------                                                   

          7.1  Performance of Covenants and Accuracy of Representations. All of
               --------------------------------------------------------        
Seller's and CTI's representations and warranties in this Agreement (considered
collectively), and each of these representations and warranties (considered
individually) must have been accurate in all respects

                                       13
<PAGE>
 
as of the date of this Agreement and must be accurate in all material respects
as of the Closing Date as if made on the Closing Date, without giving effect to
any supplement to the Disclosure Letter, and all of Seller's and CTI's
covenants, duties and obligations in this Agreement must have been fully and
completely performed as of the Closing Date.

          7.2  No Legal Action Against Contemplated Transactions.  Since the 
               -------------------------------------------------             
date of this Agreement, there must not have been commenced or threatened against
Purchaser, or against any Person affiliated with Purchaser, any Proceeding (a)
involving any challenge to, or seeking damages or other relief in connection
with, any of the Contemplated Transactions, or (b) that may have the effect of
preventing, delaying, making illegal, or otherwise interfering with any of the
Contemplated Transactions.

          7.3  No Claim Regarding Stock Ownership or Sale Proceeds.  There must
               ---------------------------------------------------            
not have been made or threatened by any Person any claim asserting that such
Person (a) is the holder or the beneficial owner of, or has the right to acquire
or to obtain beneficial ownership of, any stock of, or any other voting, equity,
or ownership interest in, CTI or the Property, or (b) is entitled to all or any
portion of the Purchase Price payable for the Shares.

          7.4  No Prohibitions.  Neither the consummation nor the performance 
               ---------------                                                
of any of the Contemplated Transactions will, directly or indirectly (with or
without notice or lapse of time), materially contravene, or conflict with, or
result in a material violation of, or cause Purchaser or any Person affiliated
with Purchaser to suffer any material adverse consequence under, (a) any
applicable Legal Requirement or Order, or (b) any Legal Requirement or Order
that has been published, introduced, or otherwise proposed by or before any
Governmental Body.

          7.5  Estoppels. Purchaser shall have obtained on or before the 
               ---------                                                 
Closing Date a Ground Lessor Estoppel from each Ground Lessor and a Tenant
Estoppel from Tenants whose leases or occupancy agreements collectively
represent not less than seventy-five percent (75%) of the total rent payable
under the Tenant Leases, which Estoppels shall be substantially in the forms
attached hereto as Exhibit "7.5".
                   ------------- 

          7.6  Seller's Antennas. With respect to Seller's antennas, Seller and
               -----------------                                               
Purchaser have completed the following:

               7.6.1  Seller and Purchaser have agreed upon the mounting height
of Seller's antennas to be located on the Towers on and after the Closing Date.

               7.6.2  Seller and Purchaser have agreed upon the specific Towers
and Tower Sites upon which Seller's antennas shall be located.

               7.6.3  Seller and Purchaser have executed an Antenna Site
Agreement with respect to each such Tower and Tower Site at which such antennas
will be located, which Antenna Site Agreements shall be substantially in the
form attached hereto as Exhibit "7.6"; provided,
                        -------------  -------- 

                                       14
<PAGE>
 
however, that Seller and Purchaser agree that the monthly rent for each of
- -------                                                                   
Seller's antennas shall be an amount equal to the mounting height (in feet) of
such antenna, multiplied by $.50.

     7.7  Title to Property.  Seller shall have good title to the Shares free
          -----------------                                                  
and clear of all liens and encumbrances and CTI shall have good title to the
Property free and clear of all liens and encumbrances and Purchaser shall have
obtained Uniform Commercial Code, judgment and tax lien searches confirming that
no such liens or encumbrances exist, a commitment issued by First American Title
Insurance Company pursuant to which such company agrees to issue to Purchaser a
leasehold policy of title insurance in the amount of the Purchase Price insuring
CTI's leasehold interest under the Ground Leases and its interest under any
Easements/Servitudes subject only to such matters as may be acceptable to
Purchaser and a current survey of the Real Property meeting ALTA requirements
and prepared by a surveyor acceptable to Purchaser which confirms that all
Improvements are located upon the Real Property and do not encroach upon any
easements or servitudes of record and that no improvements from adjoining
properties encroach upon the Real Property and otherwise does not reveal any
matter which renders the leasehold interest in the Real Property leased pursuant
to the Ground Leases unmarketable.  The parties acknowledge and agree that
Shreveport Communications Services, Inc. ("Shreveport") leases, and as of the
                                           ----------                        
Closing Date, shall lease, the Keel Tower Site and the Glassell Tower Site (as
more fully described or depicted in the Disclosure Letter) and the Towers
located thereupon (collectively, the "Shreveport Tower Sites"), as a ground
                                      ----------------------               
lessee.  In order to permit Purchaser to access and use the Towers located on
the Shreveport Tower Sites, Seller and CTI agree that they will, on or prior to
the Closing Date, cause the present ground lease with respect to each of the
Shreveport Tower Sites to be amended so that each such ground lease is
appropriately divided into (1) a ground lease under which CTI shall be the
ground lessee of the Tower(s) located on each of the Shreveport Tower Sites, and
each such ground lease must provide Purchaser with a direct and unobstructed
right of access to each such Tower Site from the nearest public road or highway,
and (2) a ground lease under which Shreveport shall be the ground lessee with
respect to the remainder of the property included under each such ground lease.

     7.8  Environmental Assets.  Purchaser shall have obtained environmental
          --------------------                                              
site assessment reports for all Property, including without limitation any real
property included on Exhibit "6.1.10", issued by an environmental engineer
                     ----------------                                     
confirming that the Property has not in the past been used, and is not presently
being used, for the handling, storage, transportation, disposal or release of
hazardous or toxic substances, materials, pollutants or waste (or similar items
under applicable environmental Legal Requirements).

     7.9  Zoning and Land Use.  Purchaser shall have obtained evidence that the
          -------------------                                                  
use, maintenance and operation of the Property by CTI and the Tenants are in
full compliance with all applicable zoning, land use, building code and similar
Legal Requirements and with all servitudes, restrictive covenants, reservations
and similar matters of record affecting the Real Property.

     7.10 FAA and FCC Matters.  Purchaser shall have obtained evidence that the
          -------------------                                                  
Towers are in full compliance with all applicable FAA and FCC Legal
Requirements.

                                       15
<PAGE>
 
          7.11  No Change in the Property. Except as provided in this 
                -------------------------                             
Agreement, no material adverse changes in the Property have occurred between the
date of this Agreement and the Closing Date.

          7.12  Gross Income Amount. Seller shall have provided Purchaser with
                -------------------                                           
evidence that the annual gross income of CTI as of the Closing Date is equal to
or greater than Three Hundred Ninety Thousand and No/100 Dollars ($390,000.00).

          7.13  Execution and Delivery of Documents.  Seller and CTI shall have
                -----------------------------------                            
executed and delivered to Purchaser any and all documents and instruments
contemplated by this Agreement, including without limitation those set forth on
Exhibit "7.13" attached hereto.
- --------------                 

          7.14  Third Party Approvals. Purchaser shall have obtained all third
                ---------------------                                         
party approvals and/or non-disturbance agreements from all Governmental
Authorities, landlords, mortgagees, secured parties or other Persons deemed
necessary by Purchaser in order to consummate the transactions contemplated by
this Agreement and in order for Purchaser to obtain title insurance for
Purchaser's contemplated interest in the Real Property.

          7.15  Opinion of Counsel.  Seller and CTI shall have delivered to 
                ------------------                                          
Purchaser a written opinion (the "Seller's Opinion") from counsel to Seller and
CTI, dated as of the Closing Date, to the effect set forth on Exhibit "7.15"
                                                              -------------- 
attached hereto.

     In the event that any of the Purchaser's Conditions Precedent shall not
have been fulfilled or waived in writing by Purchaser, Purchaser will have the
right to terminate this Agreement. Purchaser will notify Seller and CTI in
writing of its intention to terminate this Agreement pursuant to this Section
prior to 1:00 p.m. Eastern Time on the Closing Date, with a copy to Escrow
Agent, in which event Escrow Agent will without further authorization or
direction from any Person pay the Deposit to Purchaser.  If Purchaser fails to
so notify Seller within such time period, then Purchaser will be deemed to have
elected to proceed to Closing, and all rights of Purchaser to terminate this
Agreement pursuant to this Section will be null and void and of no further force
or effect.

     8.   CONDITIONS PRECEDENT TO SELLER'S PERFORMANCE.  Seller's obligations
          --------------------------------------------                       
hereunder are expressly contingent upon fulfillment of such of the following
terms and conditions (collectively, the "Seller's Conditions Precedent") as have
                                         -----------------------------          
not been waived in writing by Seller:

          8.1  Performance of Covenants and Accuracy of Representations.  All of
               --------------------------------------------------------         
Purchaser's representations and warranties in this Agreement (considered
collectively), and each of these representations and warranties (considered
individually), must have been accurate in all respects as of the date of this
Agreement, and must be accurate in all material respects as of the Closing Date
as if made on the Closing Date, and all of Purchaser's duties, obligations and
covenants

                                       16
<PAGE>
 
in this Agreement must have been fully and completely performed in all material
respects as of the Closing Date.

          8.2  Execution and Delivery of Documents.  Purchaser shall have 
               -----------------------------------                        
executed and delivered to Seller any and all documents and instruments
contemplated by this Agreement, including without limitation those set forth on
Exhibit "8.2" attached hereto.
- -------------

     In the event that any of the Seller's Conditions Precedent shall not have
been fulfilled to the satisfaction of Seller or waived in writing by Seller,
Seller will have the right, in its discretion, and without any liability or
obligation to Purchaser whatsoever, to terminate this Agreement.  Seller will
notify Purchaser in writing of its intention to terminate this Agreement
pursuant to this Section prior to 1:00 p.m. Eastern Time on the Closing Date,
with a copy to Escrow Agent, in which event Escrow Agent will without further
authorization or direction from any Person pay the Deposit to Purchaser. If
Seller fails to so notify Purchaser within such time period, then Seller will be
deemed to have elected to proceed to Closing, and all rights of Seller to
terminate this Agreement pursuant to this Section will be null and void and of
no further force or effect.

     9.  CLOSING.  The Closing will be held at the offices of Seller or such
         -------                                                            
other place mutually agreed upon by Seller and Purchaser. The Closing will occur
at 2:00 p.m. Eastern Time on the Closing Date.

     10. EXPENSES.
         -------- 

         10.1  Attorneys' Fees.  Each of Seller and Purchaser will pay its own
               ---------------                                                
attorneys' fees and costs incurred in connection with the negotiation of this
Agreement and consummation of the Closing.  Seller agrees that it shall pay any
attorneys' fees incurred by CTI on or prior to the Closing Date, regardless of
whether incurred in connection with the negotiation of this Agreement and the
consummation of the Closing or otherwise, to the extent such fees have not
otherwise been paid by Seller at or prior to the Closing.

          10.2  Transfer Taxes; Recording Costs.  Seller will pay the cost of 
                -------------------------------                               
all deed or other transfer taxes (including all documentary stamp taxes), with
respect to the Contemplated Transactions and all recording costs of any
documents executed herewith (including recording costs associated with releases
and other documents required to clear title or to comply with Seller's or CTI's
obligations hereunder).

          10.3  Other Expenses.  Any items of cost or expense not specifically
                --------------                                                
allocated above will be paid by the party to the transaction that customarily
bears such cost or expense within the county in which the Tower Sites are
located.

     11.  PRORATIONS.   Notwithstanding the structure of the Contemplated
          ----------                                                     
Transaction as a purchase of stock, the Purchase Price shall be subject to
adjustment as follows on the Closing Date (provided, however, to the extent any
such adjustments cannot be calculated accurately on the

                                       17
<PAGE>
 
Closing Date, the same will be calculated within thirty (30) days after the
Closing Date and either party owing the other a sum of money based on such
subsequent calculation will promptly pay the sum to the other party in Current
Funds) and the terms of this Section will survive the Closing:

     11.1  Taxes; Utilities; Rents.  All taxes, real estate assessments, utility
           -----------------------                                              
charges, rents payable under the Ground Leases and similar expenses will be
prorated as of 12:01 a.m. on the Closing Date on the basis of a 365-day year.
Rents actually collected under the Tenant Leases will be prorated as of 12:01
a.m. on the Closing Date on the basis of a 30-day month. Seller agrees that, on
and after the Closing Date, Purchaser shall be responsible for collecting all
rents and receipts with respect to the Real Property and the Tenant Leases. If
Purchaser receives any rents or receipts subsequent to the Closing Date which
relate to any period of time prior to the Closing Date, Purchaser shall
immediately pay the same to Seller in Current Funds.  If Seller receives any
rents or receipts which relate to any period of time or after the Closing Date,
whether such amounts are received by Seller prior to, on, or subsequent to the
Closing Date, then Seller shall immediately pay the same to Purchaser in Current
Funds (except that any rents or receipts received by Seller on or prior to the
Closing Date shall be applied to reduce the Purchase Price by the amount of such
rents or receipts).  Notwithstanding anything to the contrary herein, Seller
shall be liable for paying all federal, state and local income taxes with
respect to any rents or receipts collected by Purchaser which relate to any
period of time prior to the Closing Date, and Seller hereby agrees to use
reasonable efforts to (A) file such separate or "short-year" tax returns for CTI
as may be permitted or required under the Code with respect to the relevant
period of time prior to the Closing Date, or (B) shall immediately pay the
amount of all such federal, state or local income tax liability paid or payable
by Purchaser with respect to such rents and receipts. All utility deposits and
reservation fees paid by or on behalf of Seller in connection with the Property
will be assigned and transferred to Purchaser.

     11.2  Estimate of Taxes.  If, on the Closing Date, the current real
           -----------------                                            
property tax bill with respect to the Property is not available, the amount of
real property taxes will be apportioned based on the current year's millage and
the current year's assessment.  If the current year's millage is not fixed and
the current year's assessment is available, taxes will be apportioned based on
such assessment and the prior year's millage.  If the current year's assessment
is not available, then real property taxes will be apportioned on the prior
year's tax.  Any apportionment of taxes based upon any figures other than a
final tax bill will, at the request of either Seller or Purchaser, be
subsequently reapportioned based upon receipt of the final tax bill for the
current year.

     11.3  Special Assessments.  Seller will pay all certified, confirmed and
           -------------------                                               
ratified special assessment liens as of the Closing Date.  Purchaser will assume
any pending liens as of the Closing Date.  If the improvement which is the
subject of the special assessment has been substantially completed as of the
Effective Date, then such pending lien will be considered certified, confirmed
or ratified and Seller will, at Closing, be charged an amount equal to the last
estimate of assessment for the improvement by the applicable Governmental
Authority.

                                       18
<PAGE>
 
     12.  INDEMNIFICATION.
          --------------- 

          12.1  Survival; Right to Indemnity Not Affected by Knowledge.  All
                ------------------------------------------------------      
representations, warranties, covenants, and obligations in this Agreement, the
Disclosure Letter, the supplements to the Disclosure Letter, and any other
certificate or document delivered pursuant to this Agreement will survive the
Closing. The right to indemnification, payment of Damages or other remedy based
on such representations, warranties, covenants, and obligations will not be
affected by any investigation conducted with respect to, or any Knowledge
acquired (or capable of being acquired) at any time, whether before or after the
execution and delivery of this Agreement or the Closing Date, with respect to
the accuracy or inaccuracy of or compliance with, any such representation,
warranty, covenant, or obligation. The waiver of any condition based on the
accuracy of any representation or warranty, or on the performance of or
compliance with any covenant or obligation, will not affect the right to
indemnification, payment of Damages, or other remedy based on such
representations, warranties, covenants, and obligations.

          12.2  Indemnification by Seller and CTI.  Seller and the officers,
                ---------------------------------                           
directors and shareholders of CTI, jointly and severally, will indemnify and
hold harmless Purchaser, CTI (after the Closing Date) and their respective
Representatives, attorneys, officers, directors, shareholders, controlling
persons, and affiliates (collectively, the "Purchaser Indemnified Persons") for,
and will pay to the Purchaser Indemnified Persons the amount of, any loss,
liability, claim, damage (including incidental and consequential damages),
expense (including costs of investigation and defense and reasonable attorneys'
fees) or diminution of value, whether or not involving a third-party claim
(collectively, "Damages"), arising, directly or indirectly, from or in
connection with (a) any Breach of any representation or warranty made by CTI or
Seller in this Agreement (without giving effect to any supplement to the
Disclosure Letter), the Disclosure Letter, the supplements to the Disclosure
Letter, or any other certificate or document delivered by CTI or Seller pursuant
to this Agreement, (b) any Breach by Seller or CTI of any covenant or obligation
of such Seller in this Agreement, (c) any services provided or Property owned by
CTI prior to the Closing Date, or (d) any claim by any Person for brokerage or
finder's fees or commissions or similar payments based upon any agreement or
understanding alleged to have been made by any such Person with either Seller or
CTI (or any Person acting on their behalf) in connection with any of the
Contemplated Transactions.  The remedies provided in this Section will not be
exclusive of or limit any other remedies that may be available to any of the
Purchaser Indemnified Persons.

          12.3  Indemnification by Purchaser.  Purchaser will indemnify and hold
                ----------------------------                                    
harmless Seller and their respective representatives, attorneys, officers,
directors, shareholders, controlling persons and affiliates (collectively, the
"Seller Indemnified Persons") for, and will pay to Seller Indemnified Persons
the amount of, any Damages arising, directly or indirectly, from or in
connection with (a) any Breach of any representation or warranty made by
Purchaser in this Agreement or in any certificate delivered by Purchaser
pursuant to this Agreement, (b) any claim by any Person for brokerage or
finder's fees or commissions or similar payments based upon any agreement or
understanding alleged to have been made by such Person with Purchaser (or any
Person acting on its behalf) in connection with any of the Contemplated
Transactions.

                                       19
<PAGE>
 
          12.4  Procedure for Indemnification.
                ----------------------------- 

                12.4.1  Promptly after receipt by an indemnified party or of
notice of the commencement of any Proceeding against it, such indemnified party
will, if a claim is to be made against an indemnifying party under such Section,
give notice to the indemnifying party of the commencement of such claim, but the
failure to notify the indemnifying party will not relieve the indemnifying party
of any liability that it may have to any indemnified party, except to the extent
that the indemnifying party demonstrates that the defense of such action is
prejudiced by the indemnifying party's failure to give such notice.

                12.4.2  If any such Proceeding is brought against an indemnified
party and it gives notice to the indemnifying party of the commencement of such
Proceeding, the indemnifying party will, unless the claim involves Taxes, be
entitled to participate in such Proceeding and, to the extent that it wishes
(unless (i) the indemnifying party is also a party to such Proceeding and the
indemnified party determines in good faith that joint representation would be
inappropriate, or (ii) the indemnifying party fails to provide reasonable
assurance to the indemnified party of its financial capacity to defend such
Proceeding and provide indemnification with respect to such Proceeding), to
assume the defense of such Proceeding with counsel satisfactory to the
indemnified party and, after notice from the indemnifying party to the
indemnified party of its election to assume the defense of such Proceeding, the
indemnifying party will not, as long as it diligently conducts such defense, be
liable to the indemnified party under this Section for any fees of other counsel
or any other expenses with respect to the defense of such Proceeding, in each
case subsequently incurred by the indemnified party in connection with the
defense of such Proceeding, other than reasonable costs of investigation. If the
indemnifying party assumes the defense of a Proceeding, (i) it will be
conclusively established for purposes of this Agreement that the claims made in
that Proceeding are within the scope of and subject to indemnification; (ii) no
compromise or settlement of such claims may be effected by the indemnifying
party without the indemnified party's consent unless (A) there is no finding or
admission of any violation of Legal Requirements or any violation of the rights
of any Person and no effect on any other claims that may be made against the
indemnified party, and (B) the sole relief provided is monetary damages that are
paid in full by the indemnifying party; and (iii) the indemnified party will
have no liability with respect to any compromise or settlement of such claims
effected without its consent. If notice is given to an indemnifying party of the
commencement of any Proceeding and the indemnifying party does not, within ten
days after the indemnified party's notice is given, give notice to the
indemnified party of its election to assume the defense of such Proceeding, the
indemnifying party will be bound by any determination made in such Proceeding or
any compromise or settlement effected by the indemnified party.

                12.4.3  Notwithstanding the foregoing, if an indemnified party
determines in good faith that there is a reasonable probability that a
Proceeding may adversely affect it or its affiliates other than as a result of
monetary damages for which it would be entitled to indemnification under this
Agreement, the indemnified party may, by notice to the indemnifying party,
assume the exclusive right to defend, compromise, or settle such Proceeding, but
the 

                                       20
<PAGE>
 
indemnifying party will not be bound by any determination of a Proceeding so
defended or any compromise or settlement effected without its consent (which may
not be unreasonably withheld).

     13.  DEFAULT.
          ------- 

          13.1  Purchaser's Default. If Purchaser breaches its obligations under
                -------------------   
this Agreement (except for Purchaser's failure to consummate the Contemplated
Transactions because any of the conditions in Section 7 were not fulfilled as of
the Closing), the Deposit will, at Seller's option, be paid to Seller, or, in
the alternative, Seller will have the right of specific performance, in either
instance without waiving Seller's right to sue Purchaser for damages, or a
combination of specific performance and damages. No remedy conferred upon Seller
is intended to be exclusive of any other remedy, and each remedy will be
cumulative and in addition to every other remedy available under this Agreement,
at law or in equity.  No single or partial exercise any remedy will preclude any
other or further exercise thereof.  This provision shall be in addition to
Seller's remedies under Section 12 hereof.

          13.2  Seller's or CTI's Default. If Seller or CTI breaches its
                -------------------------      
covenants or obligations under this Agreement, the Deposit will, at Purchaser's
option, be returned to Purchaser, or in the alternative, Purchaser will have the
right of specific performance, in either instance without waiving Purchaser's
right to sue Seller or CTI for damages, or a combination of specific performance
and damages. No remedy conferred upon Purchaser is intended to be exclusive of
any other remedy, and each remedy will be cumulative and in addition to every
other remedy available under this Agreement, at law or in equity. No single or
partial exercise any remedy will preclude any other or further exercise thereof.
This provision shall be in addition to Purchaser's remedies under Section 12
hereof.

     14.  BROKERS.  Neither Purchaser, CTI, nor Seller has dealt with any agent,
          -------                                                               
broker or finder in connection with the transaction contemplated by this
Agreement.  Each party will indemnify, defend and hold harmless the other party
from any Claims of any agent, broker or finder claiming to have dealt with the
indemnifying party in connection with this Agreement.  This Section will survive
the Closing or any termination of this Agreement.

     15.  INTERPRETATION.  The singular includes the plural and the plural
          --------------                                                  
includes the singular.  The word "or" is not exclusive and the word "including"
is not limiting.  References to a law include any rule or regulation issued
under the law and any amendment to the law, rule or regulation.  Unless
otherwise indicated, references to a Section or Exhibit mean a Section or
Exhibit contained in or attached to this Agreement.  The caption headings in
this Agreement are for convenience and reference only and do not define, modify
or describe the scope or intent of any of the terms of this Agreement.  This
Agreement will be interpreted and enforced in accordance with its provisions and
without the aid of any custom or rule of law requiring or suggesting
construction against the party drafting or causing the drafting of the
provisions in question.

                                       21
<PAGE>
 
     16.  NOTICES.  All notices, demands or communications required or permitted
          -------                                                               
under this Agreement will be in writing and delivered by hand or mailed by
certified mail, return receipt requested, postage and registration or
certification charges prepaid, or by nationally recognized overnight courier
service, or by fax, to the party entitled thereto at the address and to the fax
number first set forth above, or such other party(ies), address(es) or fax
number(s) as either party specifies by written notice to the other from time to
time.  Any legal counsel designated above or any substitute counsel as
designated by Seller or Purchaser by written notice to the other party is
authorized to give notices under this Agreement on behalf of its respective
client.

     17.  ENFORCEMENT COSTS.  If any civil action, arbitration or other legal
          -----------------                                                  
proceeding is brought for the enforcement of this Agreement, or because of an
alleged dispute, breach, default or misrepresentation in connection with any
provision of this Agreement, the successful or prevailing party or parties shall
be entitled to recover reasonable attorneys' fees, sales and use taxes, court
costs and all expenses even if not taxable as court costs (including, without
limitation, all such fees, taxes, costs and expenses incident to arbitration,
appellate, bankruptcy and post-judgment proceedings), incurred in that civil
action, arbitration or legal proceeding, in addition to any other relief to
which such party or parties may be entitled.  Attorneys' fees shall include,
without limitation, paralegal fees, investigative fees, administrative costs,
sales and use taxes and all other charges billed by the attorney to the
prevailing party.  The terms of this Section shall survive the Closing.

     18.  ASSIGNMENT.  Purchaser will have the right to assign this Agreement to
          ----------                                                            
any Affiliate without Seller's consent, after which the assignee may enforce all
rights and remedies of Purchaser under this Agreement, the assignee will be
deemed to have made the Deposit, and Escrow Agent will acknowledge that it is
holding the Deposit on behalf of the assignee.

     19.  GOVERNING LAW.  This Agreement will be governed by and construed and
          -------------                                                       
enforced in accordance with the internal laws of the State of Louisiana.

     20.  ARBITRATION.  Any controversy or claim between Seller and Purchaser
          -----------                                                        
with respect to the subject matter of this Agreement, including any controversy
or claim arising out of an alleged tort, will be determined by binding
arbitration in accordance with the Federal Arbitration Act (or if not
applicable, the applicable state law) and the Rules of Practice and Procedure
for JAMS. Judgment upon any arbitration award may be entered into in any court
having jurisdiction.  Any party to this Agreement may bring an action, including
a summary or expedited proceeding, to compel arbitration of any controversy or
claim under this Agreement in any court having jurisdiction over such action.
The arbitration will be conducted in Baton Rouge, Louisiana, and administered by
JAMS, who will appoint the arbitrator.  If JAMS is unable or legally precluded
from administering the arbitration, then the American Arbitration Association
will serve.  All arbitration hearings will commence within 90 days of the demand
for arbitration.  Further, the arbitrator will only, upon a showing of cause, be
permitted to extend the commencement of such hearing for up to an additional 60
days.

                                       22
<PAGE>
 
     21.  INTEGRATION.  All prior understandings and agreements between the
          -----------                                                      
parties with respect to the subject matter of this Agreement are merged in this
Agreement.  Neither party is relying upon any statement, covenant or
representation made by any other party which is not embodied in this Agreement.

     22.  AMENDMENTS.  No purported amendment to or waiver of any term of this
          ----------                                                          
Agreement will be binding upon any party, or have any other force or effect in
any respect, unless the same is in writing and signed by the party to be
charged.

     23.  BINDING EFFECT.  This Agreement will be binding upon, and will inure
          --------------                                                      
to the benefit of, CTI, Seller, Purchaser and  their respective heirs,
executors, administrators, successors and permitted assigns, if any.

     24.  FURTHER ASSURANCES.  Each party will, from time to time, execute,
          ------------------                                               
acknowledge and deliver such further instruments, and perform such additional
acts, as the other party may reasonably request in order to effectuate the
intent of this Agreement  This Section will survive the Closing.

     25.  THIRD PARTIES.  Nothing in this Agreement, whether express or implied,
          -------------                                                         
is intended to confer any rights or remedies to any Persons other than Seller,
CTI, Purchaser and their respective successors and assigns.

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

     27.  COVENANT NOT TO COMPETE.
          ----------------------- 

          27.1  Seller's Acknowledgments. The agreements and covenants provided
                ------------------------      
by Seller in this Section are reasonable and necessary to Purchaser's protection
of its legitimate interests in the transaction contemplated by this Agreement.
Seller has certain knowledge of the business operations that may be required to
ensure the effective and successful conduct of the business of CTI. Seller has
access to trade secrets and confidential business methods, plans and practices
considered confidential by Purchaser.  This information has commercial value in
the business in which Purchaser and CTI will be engaged after the consummation
of the transaction contemplated by this Agreement.  Purchaser will be
irreparably damaged and its substantial investment in the transaction
contemplated by this Agreement materially impaired if Seller were to enter into
an activity competing or interfering with the business of Purchaser in violation
of the terms of this Section or if Seller were to disclose or make unauthorized
use of any confidential information concerning the business of the Seller or
Purchaser.  The scope and length of the term of this Section and the
geographical restrictions contained herein are fair and reasonable and not the
result of overreaching, duress or coercion of any kind, and the full,
uninhibited and faithful observance of each of the Agree  ments and covenants
contained in this Section will not cause Seller any undue 

                                       23
<PAGE>
 
hardship, financial or otherwise, and enforcement of each of the covenants
contained in this Section will not impair their ability, if they so desire, to
obtain employment commensurate with their abilities and on terms fully
acceptable to them or otherwise obtain income required for the comfortable
support of them and their family and the satisfaction of the needs of their
creditors.

          27.2  Covenant Not To Compete. Seller covenants and agrees that they
                -----------------------  
will not, at any time during the period of time beginning on the Closing Date
and ending on the date that is two (2) years after the Closing Date, compete
with Purchaser within a radius of three (3) miles from any Tower Site; provided,
                                                                       -------- 
however, that, with respect to each Tower Site, (A) such two (2) year period
- -------                                                                     
shall terminate upon the date that Purchaser ceases to conduct its business in
the parish in which such Tower Site is located, as set forth in Exhibit "27.2",
                                                                -------------- 
if such cessation of business occurs prior to the termination of the two (2)
year period, and (B) such radius shall not exceed and shall terminate at the
boundary of the parish in which the Tower Site is located, as set forth in
Exhibit "27.2", if such parish boundary is located at a distance of less than
- --------------                                                               
three (3) miles from the Tower Site.  As used in this Section, to "compete"
shall mean to, directly or indirectly, own, manage, operate, join, control, be
employed by, or become a director, officer, employee , agent, broker,
consultant, representative or shareholder of a corporation or an owner of an
interest in or an employee, agent, broker, consultant, representative or partner
of a partnership or in any other capacity whatsoever of any other form of
business association, sole proprietorship or partnership, or otherwise be
connected in any manner with the ownership, management, or operation of any
tower or tower site.

          27.3  Remedies. Seller and Purchaser acknowledge that the Purchaser
                --------         
will be irreparably damaged (and damages at law would be an inadequate remedy)
if this Section is not specifically enforced. Therefore, in the event of a
breach or threatened breach by Seller of any provision of this Agreement, then
Purchaser shall be entitled, is addition to all other rights or remedies which
may be available at law or in equity, to an injunction restraining such breach,
without being required to show any actual damage or to post an injunction bond,
and/or to a decree for specific performance of the provisions of this Section.

          27.4  Survival. The terms of this Section 27 shall survive the
                --------      
Closing.

     28.  SEVERABILITY. If any provision of this Agreement or any other
          ------------                                                 
agreement entered into pursuant hereto is contrary to, prohibited by or deemed
invalid under applicable law or regulation, such provision shall be inapplicable
and deemed omitted to the extent so contrary, prohibited or invalid, but the
remainder hereof shall not be invalidated thereby and shall be given full force
and effect so far as possible. If any provision of this Agreement may be
construed in two or more ways, one of which would render the provision invalid
or otherwise voidable or unenforceable and another of which would render the
provision valid and enforceable, such pro  vision shall have the meaning which
renders it valid and enforceable. The terms of this Section will survive the
Closing.

     THIS AGREEMENT has been executed by Seller, CTI and Purchaser on the dates
set forth below.

                                       24
<PAGE>
 
                                        SELLER:

Date:______________                     __________________________________
                                        LEROY FAITH


 
                                        CADDO TOWER COMPANY, INC.

 
Date:______________                     By:_______________________________
                                           Name:__________________________
                                           Title:_________________________


                                        PURCHASER:

                                        SBA TOWERS LOUISIANA, INC.


Date:_______________                    By:_______________________________
                                           Jeffrey A. Stoops
                                           Senior Vice President


                                        ESCROW AGENT:


Date:_______________                    __________________________________
                                        WILLIAM H. LEDBETTER, JR., ESQUIRE

                                       25
<PAGE>
 
                                    JOINDER

     THIS JOINDER is intended to be and is hereby made a part of and
incorporated in the foregoing Stock Purchase Agreement ("Agreement"), by and
among LEROY FAITH ("Seller"), CADDO TOWER, INC., a Louisiana corporation, SBA
TOWERS LOUISIANA, INC., a Florida corporation ("Purchaser"), and WILLIAM H.
LEDBETTER, JR., ESQUIRE.

     TO INDUCE Purchaser to enter into the Agreement, and with the express
understanding that Purchaser intends to rely thereupon, ETHEL FAITH, an
individual residing at 111 Sussex, Bossier City, Louisiana 71111, and the wife
of Seller, hereby agrees to be bound by (A) all of the terms and conditions of
Sections 2 and 3 of the Agreement, for the purpose of consenting to the sale of
the Shares by Seller under the spousal community property laws of the State of
Louisiana, and (B) all of the terms and conditions of Section 27 of the
Agreement.

     IN WITNESS WHEREOF, the undersigned has executed this Joinder this ___ day
of August, 1998.



                                             __________________________________
                                             ETHEL FAITH
<PAGE>
 
                             SCHEDULE OF EXHIBITS
                             --------------------
 
 
     Exhibit "1"       -    Defined Terms
 
     Exhibit "4.17.2"  -    List of Tenant Leases in Arrears
 
     Exhibit "4.19.2"  -    List of Tower Observers
 
     Exhibit "4.23"    -    Related Party Transactions
 
     Exhibit "6.1.10"  -    Retained Property
 
     Exhibit "7.5"     -    Form of Ground Lessor and Tenant Estoppel
                            Certificates
 
     Exhibit "7.6"     -    Form of Antenna Site Agreement
 
     Exhibit "7.13"    -    List of Seller's Closing Documents
 
     Exhibit "7.15"    -    Opinion of Seller's and CTI's Counsel
 
     Exhibit "8.2"     -    List of Purchaser's Closing Documents
 
     Exhibit "27.2"    -    List of Tower Site Parishes
 
<PAGE>
 
                                  EXHIBIT "1"
                                  -----------

                                 Defined Terms

The following terms will have the following meanings throughout this Agreement:

     "Affiliate" - with respect to a Person, any other Person that, directly or
      ---------                                                                
indirectly through one or more intermediaries, controls, is controlled by or is
under common control with the first Person.

     "Agreement" - this instrument, together with all exhibits, schedules and
      ---------                                                              
addenda attached hereto.
 
     "Appurtenant Property" - all right, title and interest of Seller, if any,
      --------------------                                                    
in and to all (a) streets, roads, easements, servitudes, contract rights and
rights-of-way appurtenant to the Property, (b) covenants, restrictions,
agreements, development rights, air rights, density rights, drainage rights,
riparian and/or littoral rights benefiting the Property, (c) utility mains,
service laterals, hydrants, valves and appurtenances servicing the Property, (d)
utility deposits and reservation fees paid by or on behalf of Seller with
respect to the Property, and (e) oil, gas, minerals, soil, flowers, shrubs,
crops, trees, timber, compacted soil, submerged lands and fill appurtenant to
the Property.

     "Breach" - a "Breach" of a representation, warranty, covenant, obligation,
      ------                                                                   
or other provision of this Agreement or any instrument delivered pursuant to
this Agreement will be deemed to have occurred if there is or has been (a) any
inaccuracy in or breach of, or any failure to perform or comply with, such
representation, warranty, covenant, obligation, or other provision, or (b) any
claim (by any Person) or other occurrence or circumstance that is or was
inconsistent with such representation, warranty, covenant, obligation, or other
provision, and the term "Breach" means any such inaccuracy, breach, failure,
claim, occurrence, or circumstance.

     "Business Day" - any day other than a Saturday, Sunday or a day upon which
      ------------                                                             
banking institutions in the State of Florida are authorized or required by law
to close.

     "Claim" - any claim, damage, loss, liability, obligation, demand, defense,
      -----                                                                    
judgment, suit, proceeding, disbursement or expense, including reasonable
attorneys' fees or costs (including those related to appeals).

     "Closing" -  the date upon which the consummation of the purchase and sale
      -------                                                                  
of the Property occurs in accordance with the terms of this Agreement.

     "Closing Date" - September 28, 1998, unless extended by the terms of this
      ------------                                                            
Agreement or by mutual consent of Purchaser and Seller.

     "Code" - the Internal Revenue Code of 1986 or any successor law, and
      ----                                                               
regulations issued by the IRS pursuant to the Internal Revenue Code or any
successor law.
<PAGE>
 
     "Contemplated Transactions" - all of the transactions contemplated by this
      -------------------------                                                
Agreement, including the sale of the Shares to and the acquisition and ownership
of the Shares by Purchaser, the execution, delivery, and performance of this
Agreement and the  documents and instruments referred to herein and the
performance by Purchaser, Seller and CTI, of their respective covenants and
obligations under this Agreement.

     "Contract" - any agreement, contract, obligation, promise, or undertaking
      --------                                                                
(whether written or oral and whether express or implied) that is legally
binding, including the Ground Leases, Tenant Leases and Easements/Servitudes.

     "Current Funds" - wired funds, cashier's check or certified check.
      -------------                                                    

     "Deposit" -  the amount of set forth in Section 3.2.1 paid by Purchaser to
      -------                                                                  
Escrow Agent as an earnest money deposit under this Agreement, together with all
interest earned or accrued thereon.

     "Disclosure Letter" - that certain completed disclosure letter given by
      -----------------                                                     
Seller to Purchaser simultaneous with the execution of this Agreement
containing, among other things, true , correct and complete copies of certain
records, documentation and other information concerning the ownership, use,
operation and condition of the Property.

     "Easements/Servitudes" -  the easements and servitudes through which access
      --------------------                                                      
to any of the Towers is required or through which utilities to any of the Towers
are provided.

     "Effective Date" - the date upon which a counterpart of this Agreement,
      --------------                                                        
fully executed by Seller and Purchaser, is received by Purchaser.

     "FAA" - Federal Aviation Authority.
      ---                               

     "FCC" - Federal Communications Commission.
      ---                                      
 
     "GAAP"- generally accepted United States accounting principles, applied on
      ----                                                                     
a basis consistent with the basis on which the Balance Sheet and the Financial
Statements were prepared.

     "Governmental Authority" - the United States of America, the state, county,
      ----------------------                                                    
town or other municipality in which any of the Property is located and any
entity exercising executive, legislative, judicial, regulatory or administrative
functions over or pertaining to any of the Property (including the FAA, the FCC,
any drainage district, street lighting district or special taxing district).

     "Governmental Authorization" - any approval, consent, license, permit,
      --------------------------                                           
waiver, or other authorization issued, granted, given, or otherwise made
available by or under the authority of any Governmental Authority or pursuant to
any Legal Requirement.

     "Ground Leases" - the ground leases described in the Disclosure Letter
      -------------                                                        
pursuant to which CTI leases the Real Property upon which the Towers are
located.
<PAGE>
 
     "Ground Lessors" - each of the lessors under the Ground Leases.
      --------------                                                

     "Improvements" - all Towers, poles, buildings, equipment shelters, storage
      ------------                                                             
facilities, cabinets, anchors, guy wires and other improvements which are
located on or appurtenant to the Property.

     "Intangible Personal Property" - any development rights, documents,
      ----------------------------                                      
technical matter and work product relating to the Property, including any
Permits, environmental studies, construction, engineering, architectural,
landscaping or other plans or drawings related to the Property and any surveys,
maps, site plans, plats and other graphics relating to the Property.

     "IRS"- the United States Internal Revenue Service or any successor agency,
      ---                                                                      
and, to the extent relevant, the United States Department of the Treasury.

     "JAMS" - the Arbitration of Commercial Disputes of Judicial Arbitration and
      ----                                                                      
Mediation Services, Inc.

     "Legal Requirements" - any law, ordinance, order, rule or regulation of any
      ------------------                                                        
Governmental Authority which pertains to the Property, Seller or CTI, including
without limitation, all building, zoning, land use, subdivision, setback,
platting, health, traffic, environmental, hazardous waste, natural resources or
flood control matters.

     "Order"- any award, decision, injunction, judgment, order, ruling,
      -----                                                            
subpoena, or verdict entered, issued, made, or rendered by any court,
administrative agency, or other Governmental Authority or by any arbitrator.

     "Ordinary Course of Business"- an action which is taken in the ordinary
      ---------------------------                                           
course of the normal day-to-day operations of the Person taking such action
consistent with the past practices of such Person, is not required to be
authorized by the board of directors of such Person (or by any Person or group
of Persons exercising similar authority) and is similar in nature and magnitude
to actions customarily taken, without any authorization by the board of
directors (or by any Person or group of Persons exercising similar authority),
in the ordinary course of the normal day-to-day operations of other Persons that
are in the same line of business as such Person.

     "Organizational Documents"- (a) the articles or certificate of
      ------------------------                                     
incorporation and the bylaws of a corporation; (b) any charter or similar
document adopted or filed in connection with the creation, formation, or
organization of a Person; and (c) any amendment to any of the foregoing.
 
     "Permits" - all permits, licenses, authorizations, certificates of
      -------                                                          
occupancy, certificates of completions, variances and similar approvals of any
Governmental Authority having jurisdiction over the Tower Sites.

     "Permitted Exceptions" - exceptions to title which Purchaser fails to
      --------------------                                                
object to in writing prior to the Closing Date.
<PAGE>
 
     "Person" - any individual, corporation (including any non-profit
      ------                                                         
corporation), general or limited partnership, limited liability company, joint
venture, estate, trust, association, organization, labor union, or other entity
or Governmental Authority.

     "Proceeding"- any action, arbitration, audit, hearing, investigation,
      ----------                                                          
litigation, or suit (whether civil, criminal, administrative, investigative, or
informal) commenced, brought, conducted, or heard by or before, or otherwise
involving, any Governmental Authority or arbitrator.
 
     "Property" - collectively, the Real Property, the Ground Leases, the
      --------                                                           
Easements/Servitudes, the Appurtenant Property, the Intangible Personal
Property, the Improvements and the Tangible Personal Property, but not including
the Retained Assets.

     "Purchase Price" - the amount set forth in Section 3.1.
      --------------                                        

     "Real Property" - the real property described in the Disclosure Letter
      -------------                                                        
leased by CTI pursuant to the Ground Leases and upon which the Towers are
located.

     "Related Person"- with respect to a particular individual, (a) each other
      --------------                                                          
member of such individual's Family, (b) any Person that is directly or
indirectly controlled by such individual or one or more members of such
individual's Family, (c) any Person in which such individual or members of such
individual's Family hold (individually or in the aggregate) a Material Interest;
and (d) any Person with respect to which such individual or one or more members
of such individual's Family serves as a director, officer, partner, executor, or
trustee (or in a similar capacity).  With respect to a specified Person other
than an individual, (a) any Person that directly or indirectly controls, is
directly or indirectly controlled by, or is directly or indirectly under common
control with such specified Person, (b) any Person that holds a Material
Interest in such specified Person, (c) each Person that serves as a director,
officer, partner, executor, or trustee of such specified Person (or in a similar
capacity), (d) any Person in which such specified Person holds a Material
Interest, (e) any Person with respect to which such specified Person serves as a
general partner or a trustee (or in a similar capacity); and (f) any Related
Person of any individual described in clause (b) or (c).  For purposes of this
definition, (a) the "Family" of an individual includes (i) the individual, (ii)
the individual's spouse and former spouses, (iii) any other natural person who
is related to the individual or the individual's spouse within the second
degree, and (iv) any other natural person who resides with such individual, and
(b) "Material Interest" means the direct or indirect right to vote or dispose of
voting securities or other voting interests representing at least 10% of the
outstanding voting power of a Person or equity securities or other equity
interests representing at least 10% of the outstanding equity securities or
equity interests in a Person.

     "Representative"- with respect to a particular Person, any director,
      --------------                                                     
officer, employee, agent, consultant, advisor, or other representative of such
Person, including legal counsel, accountants, and financial advisors.

     "Service Contracts" - all service contracts, maintenance contracts and
      -----------------                                                    
management contracts, if any, affecting the Property.
<PAGE>
 
     "Shares"- all of the issued and outstanding shares of capital stock of CTI.
      ------                                                                    

     "Subsidiary"- with respect to any Person (the "Owner"), any corporation or
      ----------                                                               
other Person of which securities or other interests having the power to elect a
majority of that corporation's or other Person's board of directors or similar
governing body, or otherwise having the power to direct the business and
policies of that corporation or other Person (other than securities or other
interests having such power only upon the happening of a contingency that has
not occurred) are held by the Owner or one or more of its Subsidiaries; when
used without reference to a particular Person, "Subsidiary" means a Subsidiary
of CTI.

     "Tangible Personal Property" - all personal property, furniture, fixtures,
      --------------------------                                               
equipment, appliances and other items of personal property owned by Seller and
used in connection with the Property.

     "Tax Return"--any return (including any information return), report,
      ----------                                                         
statement, schedule, notice, form, or other document or information filed with
or submitted to, or required to be filed with or submitted to, any Governmental
Authority in connection with the determination, assessment, collection, or
payment of any Tax or in connection with the administration, implementation, or
enforcement of or compliance with any Legal Requirement relating to any Tax.

     "Tenant Estoppels" - estoppel letters from each of the Tenants to
      ----------------                                                
Purchaser, in form and substance reasonably acceptable to Purchaser.

     "Tenant Leases" - the leases, licenses and other occupancy agreements
      -------------                                                       
described in the Disclosure Letter pursuant to which any Person is granted the
right to use space or install equipment on any of the Towers or in any of the
Improvements located on any of the Tower Sites.

     "Tenants" - each of the lessees, licensees or other occupants under the
      -------                                                               
Tenant Leases.

     "Towers" - nine (9) communication towers or monopoles located on the Tower
      ------                                                                    
Sites, as more particularly described in the Disclosure Letter.

     "Tower Sites" - collectively, the Real Property, the Ground Leases and the
      -----------                                                              
Easements/Servitudes.
<PAGE>
 
                                EXHIBIT "4.17.2"
                                ----------------
                                        
                        List of Tenant Leases in Arrears


1.  Lifetime Systems          ]  Exhibit A
2.  Source One                ]  Disclosure Letter
3.  Bossier Medical Center    ]
<PAGE>
 
                                EXHIBIT "4.19.2"
                                ----------------

                            List of Tower Observers

Listed Exhibit U - Disclosure Letter
<PAGE>
 
                                 EXHIBIT "4.23"
                                 --------------

                           Related Party Transactions


1.   CTI has leased the Keel Tower Site and the Glassell Tower Site from
     Shreveport Communications Services, Inc., which is a Related Person of
     Leroy Faith and/or CTI.

2.   Leroy Faith is a 50% shareholder of Greenwood Tower, Inc., a corporation
     that owns a tower site in Greenwood, Louisiana.  This tower site is at
     least nine miles from any of CTI's other existing towers.
<PAGE>
 
                                EXHIBIT "6.1.10"
                                ----------------

                               Retained Property

See Exhibit E - Disclosure Letter
<PAGE>
 
                                 EXHIBIT "7.5"
                                 -------------

                   Form of Ground Lessor Estoppel Certificate

                           SBA Towers Louisiana, Inc.
                       One Town Center Road, Third Floor
                           Boca Raton, Florida 33496

____________, 199_

_________________
_________________
_________________
_________________

     Re: Lease Agreement ("Ground Lease") dated _________________________ by and
                           ------------                                         
between [INSERT NAME OF LESSOR] herein after referred to as ("Landlord")  and
                                                              --------       
[INSERT NAME OF LESSEE] ("Tenant") with respect to that certain real property
                          ------                                             
located in ________________, ____________ ("Property")
                                            --------  

Dear [NAME OF GROUND LESSOR]:

     SBA Towers Louisiana, Inc. ("SBA") and Tenant have signed an agreement
                                  ---                                      
under which SBA may purchase all of the outstanding stock in the Tenant.  The
Ground Lease and any tenants's interest in the Property and all rights and
proceeds relating thereto are referred to as the "Leasehold Estate".
                                                  ----------------  

     SBA, certain of its affiliates and certain lenders selected by SBA and its
affiliates ("Lenders") may have entered, and may from time to time in the future
             -------                                                            
enter into loan or credit agreements, pursuant to which the Lenders may have
extended, or may in the future extend, credit or loan money to SBA or its
affiliates.  As a condition to such extensions of credit, such Lenders may
require liens on certain of Tenant's or SBA's assets located on the Property and
consent by you to Tenant's or SBA's granting of a leasehold mortgage on the
Leasehold Estate

     As part of our due diligence review in determining whether to consummate
such transaction, we would ask that you confirm the following:

     1.   You consent to the proposed purchase of the stock in Tenant to the
          extent the terms of the Ground Lease would require your consent to
          such purchase with the understanding that this consent will be
          effective only if the proposed transaction closes.
<PAGE>
 
     2.   Attached as Exhibit "A" is a true and complete copy of the Ground
          Lease and all amendments or modifications thereto. The Ground Lease
          constitutes the entire agreement between you and Tenant with respect
          to the subject matter thereof.


     3.   The expiration date of the initial term of the Ground Lease is
          ____________ and Tenant has the option to extend the term of the
          Ground Lease for _____successive terms of ________ years.

     4.   Tenant's monthly base rent under the Ground Lease is $___________,
          Tenant must pay monthly $______________ as additional rent and all
          rent, additional rent and other charges due and payable under the
          Ground Lease have been paid through ______________, 19__.

     5.   Neither you nor Tenant is in default under the Ground Lease and there
          is no event which, with the giving of notice and/or the passage of
          time, would constitute such a default.

     6.   You have no claim or defense of any nature whatsoever against Tenant
          with respect to the Ground Lease and there is no event which, with the
          giving of notice and/or the passage of time, would constitute the
          basis of such a claim or defense.

     We would appreciate you reviewing and signing this letter at your earliest
possible convenience as we would like to conclude this transaction a quickly as
possible.  If you have any questions or comments, please do not hesitate to
contact me at ___-___-____.

Sincerely,



________________________________
[NAME OF SENDER]
[TITLE OF SENDER]


ACKNOWLEDGED AND CONFIRMED:


________________________________
[NAME OF GROUND LESSOR]
<PAGE>
 
                      Form of Tenant Estoppel Certificate

                           SBA Towers Louisiana, Inc.
                       One Tower Center Road, Third Floor
                           Boca Raton, Florida  33486
[DATE]

[NAME OF TENANT]
[ADDRESS OF TENANT]

     Re:  Lease, dated _________, 19__ between [INSERT NAME OF LANDLORD]
          ("Landlord") and [INSERT NAME OF TENANT] ("Tenant") (the "Lease"),
          with respect to [INSERT ADDRESS OR DESCRIPTION OF THE PROPERTY] (the
          "Property")

Dear [NAME OF TENANT]:

     SBA Towers Louisiana, Inc. ("SBA") and Landlord have signed an agreement
under which SBA may purchase all of the stock in Landlord.

     As part of our due diligence review in determining whether to consummate
such transaction, we would ask that you confirm the following:

     1.   Attached as Exhibit "A" is a true and complete copy of the Lease and
          all amendments or modifications thereto.  The Lease constitutes the
          entire agreement between you and Landlord with respect to the subject
          matter thereof.  To the extent required by the terms of the Lease, you
          consent to the proposed purchase of the stock in Landlord with the
          understanding that this consent will be effective only if the proposed
          transaction closes.

     2.   The term of the Lease commenced on ____________ and you have the
          option to extend the term of the Lease for ____ (__) successive terms
          of ____ (__) years each. The expiration date of the initial term of
          the Lease is _________________.

     3.   Rent in the amount of $_________ is payable __________. All rent and
          all other charges due and payable under the Lease have been paid
          through ____________, 19__, and no amounts have been or will be paid
          to Landlord for more than one month in advance.

     4.   You have no right to free rent, rebate of rent or any other type of
          rental concession with respect to the Lease except as expressly
          provided for in the Lease.
<PAGE>
 
     5.   No security deposit has been paid to or is currently being held by
          Landlord under the Lease.

     6.   Neither you nor Landlord is in default under the Lease and there is no
          event which, with the giving of notice and/or the passage of time,
          would constitute such a default.

     7.   You have no claim or defense of any nature whatsoever against Landlord
          with respect to the Lease and there is no event which, with the giving
          of notice and/or the passage of time, would constitute the basis of
          such a claim or defense. You have no offsets, claims, counterclaims or
          defenses of any nature whatsoever to the performance of your
          obligations under the Lease (including, without limitation, the
          obligation to pay rent) and, there is no condition which, with the
          giving of notice and/or the passage of time, would constitute the
          basis of such an offset, claim, counterclaim or defense.

     8.   You have not assigned, transferred or otherwise encumbered your
          interest under the Lease or subleased any part of the Property.

     9.   You have no outstanding options, right of first refusal or rights of
          first negotiation to purchase all or any part of the Property.

     10.  No petition has been filed by or against you for protection under any
          bankruptcy, creditor's rights, insolvency or other similar statutes.

     11.  You have not in the past used, and are not presently using the
          Property for the hand ling, storage, transportation, or disposal of
          hazardous or toxic substances, materials, pollutants or waste (or
          similar items under applicable environmental laws or regulations). To
          the best of your knowledge, there has been no release of any such
          items into the environment from the Property or in, on or under the
          Property.

     We would appreciate you reviewing and signing this letter at your earliest
possible con venience as we would like to conclude this transaction a quickly as
possible.  Once executed, please return same to me by facsimile at ___-___-____
and by regular mail.  If you have any questions or comments, please do not
hesitate to contact me at ___-___-____.

Sincerely,

_________________________
[NAME OF SENDER]
[TITLE OF SENDER]

ACKNOWLEDGED AND CONFIRMED:

_________________________
By:______________________
Its:_____________________
<PAGE>
 
                                 EXHIBIT "7.6"
                                 -------------

                         Form of Antenna Site Agreement

                                   AGREEMENT

       THIS AGREEMENT entered into on the date shown below by and between:

               CADDO TOWER COMPANY, INC. a Louisiana 
               corporation whose address is One Town Center Road, 
               Third Floor, Boca Raton, Florida 33486,
               represented herein by its duly authorized 
               undersigned officer, hereinafter referred to as "LESSOR".

                                     and

               SHREVEPORT COMMUNICATION SERVICE, INC.
               a Louisiana corporation,
               whose mailing address is 933 Stoner Avenue, 
               Shreveport, Louisiana 71101, represented 
               herein by its duly authorized undersigned
               officer, hereinafter referred to as "LESSEE"

who mutually contract and agree as follows:

                                       1.
       LESSOR hereby leases unto LESSEE, subject to the conditions hereinafter
expressed, the following property:

               A portion of a tower located _____________ at _____
               AGL with coordinates of ______________.

                                       2.
       (a)  The property hereby leased is to be used by LESSEE for installation
of single cabinet transmitter, Heliax cable ad antenna.  LESSOR to furnish
necessary A/C power service. Insurance to be provided by LESSEE as desired.

       (b)  LESSEE expressly agrees that it will not install any equipment on
LESSOR'S tower unless and until it has received the express written consent and
approval from LESSOR.

       (c)  LESSEE expressly agrees that all maintenance, repair or other
service performed on LESSEE'S equipment located at the site of the above
described tower will be performed by or under direct supervision of Shreveport
Communication Service, Inc.  Notwithstanding anything contrary contained herein,
should the service of Shreveport Communication Service, Inc. become unacceptable
to LESSEE, LESSEE reserves the right to terminate their service and utilize
other service facilities at no additional cost to LESSEE.  LESSOR is to provide
acceptable access to
<PAGE>
 
facility or LESSEE reserves the right to terminate this agreement with no
further obligation to LESSOR upon 30 days written notice to LESSOR.

                                       3.
       No rent shall be payable under this agreement for the months of October
and November, 1998.  Thereafter, LESSEE agrees to pay LESSOR monthly in advance
as rental an amount, per antenna installed on the tower, equal to $.50
multiplied by the mounting height (in feet) of such antenna, determined as of
December 1, 1998.

                                       4.
       The primary term of this lease shall be for a period of TWO (2) years
beginning on the date hereof except as noted in Article 2(c), after which time
this agreement shall continue on a month by month basis, until terminated by
either party with thirty days written notice to the other party.

                                       5.
       It is further understood and agreed that LESSEE'S equipment, its
installation and operation will:

       (a)  In no way damage LESSOR'S equipment house near the base of LESSOR'S
tower or the tower structure itself.

       (b)  Not interfere with the maintenance of LESSOR'S tower and the tower
lighting system.

       (c)  Not interfere with the operation of radio equipment installed prior
to LESSEE's equipment.  In the event LESSEE'S radio equipment causes such
interference, LESSEE will take all steps reasonably required by LESSOR to
correct and eliminate said interference, including the installation of
isolators, circulators, cavities, filters and the like.  If such interference
cannot be eliminated, LESSOR, at its option, may terminate this lease.

       (d)  Comply with all applicable rules and regulations of the Federal
Communications Commission and electrical codes of any political sub-division
concerned.

                                       6.
       Should LESSEE fail to perform any of its obligations hereunder, LESSOR
may, at its option, terminate this lease and agreement by furnishing written
notice to LESSEE specifying the act complained of, provided LESSEE shall have
ten (10) days from the time such notice is furnished within which to cure its
default.  Should LESSEE fail to cure its default as provided herein, then all
remaining rental due hereunder shall, at LESSOR'S option, immediately become due
and payable. Additionally, LESSEE agrees LESSOR may terminate the power service
provided LESSEE on the premises.

                                       7.
<PAGE>
 
       In the event it becomes necessary for LESSOR to place this lease in the
hand of an attorney for collection, LESSEE shall pay LESSOR'S reasonable
attorney's fee incurred, which fee hereby is fixed at twenty-five (25%) percent
of the amount of rental collected or $500.00, whichever is greater.

                                       8.
       LESSOR shall not be liable for any loss, damage or injury to LESSEE or to
LESSEE'S agents, invitees, guests, or employees occurring on or about the leased
premises and arising from LESSEE'S operating on or off the premises nor shall
LESSOR be responsible for any loss, damage or injury to LESSEE or to LESSEE's
operations on or off the premises, nor shall LESSOR be responsible for any
loss, damage or injury to LESSEE or to LESSEE'S agents, invitees or employees
caused by any defect in the leased premises unless LESSOR had actual knowledge
under the provisions of LA. R.S. 9:3221.

                                       9.
       The leased premises may not be assigned or sublet without the written
consent of LESSOR; provided that LESSEE may assign this lease to any person who
acquires substantially all of LESSEE'S business operations which utilize the
leased premises so long as LESSEE is not then in default and such assignee
assumes LESSEE'S obligations hereunder in writing.  Such assignment shall not
release LESSEE from its obligations hereunder.

       (a)  LESSOR shall not lease space on the tower after the date hereof to
any person whose broadcast operations cause interference with LESSEE'S broadcast
operations at the site.

       (b)  LESSOR shall be responsible at its expense for causing the tower to
be in compliance with lighting and painting requirements of the Federal
Communications Commission and the Federal Aviation Administration.

       (c)  If the site is damaged by fire, vandalism or other cause which
results in the site becoming unusable by LESSEE, rent shall abate until the site
can be restored to tenantable condition.


                                      10.
       Failure or delay on the part of LESSOR to exercise any right, power or
privilege hereunder shall not operate as a waiver thereof.


                                      11.
       This agreement shall be binding on LESSOR and LESSEE and their respective
heirs, successors or assigns.

                                      12.
<PAGE>
 
       LESSEE shall have the right anytime prior to December 1, 1998 to
terminate this agreement for any reason or no reason by delivering written
notice of such termination to LESSOR prior to such date.


THUS DONE AND SIGNED on this the _______ day of September, 1998, before me, the
undersigned competent witnesses.

Witnesses:                               CADDO TOWER COMPANY, INC., a Louisiana
                                         corporation

_______________________
Print Name:                              By:_________________________
                                             Neil H. Seidman
                                             Director of Acquisitions
_______________________                                
Print Name:


THUS DONE AND SIGNED on this the _____ day of September, 1998, before me, the
undersigned competent witnesses.

Witnesses:                               SHREVEPORT COMMUNICATION SERVICE, 
                                         INC., a Louisiana corporation

_______________________
Print Name:
                                          By:_________________________
_______________________                      Leroy Faith
Print Name:                                  President
<PAGE>
 
                                 EXHIBIT "7.13"
                                 --------------

                       List of Seller's Closing Documents

     1.  The Shares and such documents and instruments as may be necessary to
transfer the Shares to Purchaser.

     2.  The Antenna Site Agreements contemplated by Section 7.6.

     3.  Originals of all Ground Leases, Tenant Leases, Easements/Servitudes and
Permits.

     4.  Evidence that all utility charges for the Tower Sites have been paid
through a date not more than thirty (30) days prior to the Closing Date.

     5.  An affidavit to Purchaser's title insurer, in form and substance
reasonably acceptable to Purchaser, which will be sufficient to have the
standard printed exceptions deleted from the title insurance policy of Purchaser
and its lender.

     6.  An affidavit certifying that each Seller is not a "foreign person"
under Section 1445(f)(3) of the Code.

     7.  A certificate of the secretary of CTI setting forth the resolutions
adopted by the board of directors and shareholders of CTI approving the
execution and delivery of each of the Seller's Closing Documents and the
consummation of the Contemplated Transactions and authorizing and directing the
president or any vice president of CTI to execute and deliver the documents
required to be executed and delivered by CTI under this Agreement, which
certificate will show the name, office and signature of each officer of CTI
authorized to execute and deliver such documents.

     8.  A certificate of good standing from the Secretary of State of CTI's
state of incorporation verifying that CTI is duly organized, validly existing
and in good standing.

     9.  A certificate from each of Seller and CTI, in form and substance
reasonably acceptable to Purchaser, certifying that all representations and
warranties of Seller and CTI remain true and correct as of the Closing Date.

     10. All keys and other security access devices to the Improvements.

     11. The Seller's Opinion.

     12. Any other documents or instruments required by this Agreement or
reasonably requested by Purchaser to consummate the Closing.
<PAGE>
 
                                 EXHIBIT "7.15"
                                 --------------

                     Opinion of Seller's and CTI's Counsel

 
                             _______________, 1998



SBA Towers Louisiana, Inc.
One Town Center Road, 3rd Floor
Boca Raton, Florida  33486

Ladies and Gentlemen:

     We have acted as legal counsel to Leroy Faith ("Seller"), Ethel Faith
("Faith"), and Caddo Tower, Inc., a Louisiana corporation ("CTI"),  in
connection with the purchase by SBA Towers Louisiana, Inc., a Florida
corporation ("SBA"), of all of the issued and outstanding capital stock of CTI,
pursuant to that certain Stock Purchase Agreement, dated as of ____________,
1998 (the "Stock Purchase Agreement"), by and among CTI, SBA, Seller, and, as to
Sections 2, 3 and 27 of the Stock Purchase Agreement, Faith.  This opinion
letter (this "Opinion Letter") is being delivered pursuant to Section 7.15 of
the Stock Purchase Agreement.  Capitalized terms not otherwise defined in this
Opinion Letter have the definitions set forth in the Stock Purchase Agreement.

     In rendering the opinions set forth herein, we have examined and relied on
originals or copies of the following:

     (i)     the Stock Purchase Agreement;

     (ii)    the Certificate of Incorporation of CTI as currently in effect, the
Bylaws of CTI and certain resolutions of the Board of Directors and shareholders
of CTI, each certified by CTI as being true and correct and in effect on the
date hereof;

     (iii)   such records of CTI and such agreements, certificates of
public officials, certificates of officers or other representatives of CTI and
others, and such other documents, certificates and records as we have deemed
necessary or appropriate as a basis for the opinions set forth herein; and

     (iv)    a Certificate of Good Standing dated as of ____________, 1998
issued by the Secretary of State of the State of Louisiana with respect to CTI.

     Based upon the foregoing, we are of the opinion that:

     1.      CTI is duly organized, validly existing and in good standing
under the laws of the State of Louisiana and has the power and lawful authority
to own its properties and to transact the
<PAGE>
 
business in which it is currently engaged.  CTI is duly qualified to transact
business in all other jurisdictions in which it is required to be so qualified.

     2.      Seller, Faith and CTI have full power to enter into the Stock
Purchase Agreement and to carry out their obligations thereunder.  The execution
and delivery of the Stock Purchase Agreement and the consummation of the
transactions contemplated thereby have been duly and validly authorized by CTI's
Board of Directors and shareholders.  No other acts or proceedings on the part
of CTI will be necessary to authorize execution and delivery of the Stock
Purchase Agreement or the consummation of the transactions contemplated thereby.

     3.      The execution and delivery of the Stock Purchase Agreement,
the consummation of the transactions contemplated thereby, the performance by
Seller, Faith and CTI of each of their obligations under the Stock Purchase
Agreement, and the exercise of SBA of the rights created by each of the Seller's
Closing Documents do not and will not (i) violate the Articles of Incorporation
or bylaws of CTI; (ii) constitute a breach of or a default under any Contract,
agreement or instrument to which CTI is a party or by which its assets are
bound, or result in the creation of a mortgage, lien, security interest or other
encumbrance upon the assets of CTI; or (iii) violate a judgment, decree or order
of any Governmental Authority or court or administrative tribunal, which
judgment, decree or order is binding on Seller, Faith or CTI.

     4.      No permits, approvals, consents, satisfaction of waiting
periods, or waivers thereof of any Governmental Authority, or of any other
Person whatsoever, are necessary to allow the Seller, Faith and CTI to
consummate the transactions contemplated in the Stock Purchase Agreement in
compliance with, and not in breach of, (i) all applicable Legal Requirements,
and (ii) the provisions of any Contract binding upon any Seller, Faith or CTI.

     5.      No actions, suits or proceedings are pending or overtly
threatened in writing against Seller, Faith or CTI that challenge the validity
of the Seller's Closing Documents or any action to be taken by Seller, Faith or
CTI pursuant to the Seller's Closing Documents.

     6.      The Stock Purchase Agreement has been executed and delivered
by Seller, Faith (by means of the Joinder to the Stock Purchase Agreement) and
CTI, and is a valid and binding obligation of Seller, Faith (to the extent so
joined) and CTI, enforceable against each of them under the law of Louisiana and
the federal law of the United States.

     7.      The Shares have been duly and validly issued, fully paid and
are non-assessable.

     8.      CTI does not, either directly or indirectly, beneficially or
of record, own any securities or other interests in any other Person, which, by
nature of such ownership, would give CTI the power to elect a majority of that
Person's board of directors or other similar governing body or otherwise give
CTI the power to direct the business and policies of that Person.

     9.      CTI's authorized capitalization consists of 1,000 shares of
common stock, no par value per share, of which 100 shares are outstanding and
constitute the Shares, and 100 shares are "treasury stock," as such term is
defined under Louisiana corporate law.
<PAGE>
 
     10.     There are no contracts or other agreements or documents,
pursuant to which CTI may be required to authorize or issue additional
securities.

     11.     Upon delivery of the Shares to SBA and payment in accordance
with the Stock Purchase Agreement, SBA will acquire the ownership rights to the
Shares free of all liens, encumbrances, security interests or other adverse
claims.

     12.     There are no pre-emptive rights or other similar rights,
whether under any of the Organizational Documents, any Legal Requirement, or
pursuant to any Contract, and no Person has any pre-emptive rights or similar
rights to purchase or receive any equity securities or other securities of CTI.

     Our opinions are limited to the specific issues addressed and are limited
in all respects to laws and facts existing on the date hereof. By rendering this
Opinion Letter, we do not undertake to advise you of any changes in such laws or
facts which may occur or come to our attention after the date hereof.

      Subject to the foregoing, this Opinion Letter may be relied upon by you
only in connection with the Seller's Closing Documents and the transactions
contemplated therein, and may not be used or relied upon by you or any other
person for any purpose whatsoever, without the prior written consent of this
Firm.

                                              Very truly yours,



                                               ____________________________
<PAGE>
 
                                 EXHIBIT "8.2"
                                 -------------

                     List of Purchaser's Closing Documents

     1.      The balance of the Purchase Price, subject to all adjustments,
credits and prorations provided for in this Agreement.

     2.      The Antenna Site Agreements contemplated by Section 7.6.

     3.      A certificate of the secretary of Purchaser setting forth the
resolutions adopted by the board of directors of Purchaser authorizing and
directing the president or any vice president of Purchaser to execute and
deliver the documents required to be executed and delivered by Purchaser under
this Agreement, which certificate will show the name, office and signature of
each officer of Purchaser authorized to execute and deliver such documents.

     4.      A certificate of good standing from the Secretary of State of
Purchaser's state of incorporation verifying that Purchaser is duly organized,
validly existing and in good standing.

     5.      A certificate from Purchaser, in form and substance reasonably
acceptable to Seller, certifying that all representations and warranties of
Purchaser remain true and correct as of the Closing Date.

     6.      Any other documents or instruments required by this Agreement
or reasonably requested by Seller to consummate the Closing.
<PAGE>
 
                                 EXHIBIT "27.2"
                                 --------------

                          List of Tower Site Parishes

<TABLE>
<CAPTION>
Tower Site                    Parishes
- ----------                    --------
<S>                           <C>
 
1.  KEEL                      1.  Caddo
2.  DeSoto                    2.  Caddo
3.  Mansfield                 3.  DeSoto
4.  Natchitoches              4.  Natchitoches
5.  Haughton                  5.  Bossier
6.  Dubach                    6.  Lincoln
7.  Springhill                7.  Webster
8.  Rocky Branch              8.  Union
9.  Athens                    9.  Claiborne
</TABLE>


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