CROWN CASTLE INTERNATIONAL CORP
8-K, 1999-03-16
COMMUNICATIONS SERVICES, NEC
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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 (Date of earliest event reported): March 15, 1999



                        CROWN CASTLE INTERNATIONAL CORP.
             (Exact Name of Registrant as Specified in its Charter)


Delaware                     0-24737                       76-0470458
(State or Other           (Commission File                 (IRS Employer
Jurisdiction of           Number)                          Identification
Incorporation)                                             Number)

                                510 Bering Drive
                                   Suite 500
                               Houston, TX 77057
                    (Address of Principal Executive Office)

Registrant's telephone number, including area code:  (713) 570-3000


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

This document includes "forward-looking" statements within the meaning of
Section 27A of the Securities Act of 1933 and Section 21E of the Securities
Exchange Act of 1934. 
<PAGE>
 
Other than statements of historical fact, all statements regarding industry
prospects, the consummation of the transactions described in this document and
the Company's expectations regarding the future performance of its businesses
and its financial position are forward-looking statements. These forward-looking
statements are subject to numerous risks and uncertainties.

                                       2
<PAGE>
 
Item 5. Other Events

    On March 15, 1999, Crown Castle International Corp. ("CCIC" or the 
"Company") announced that its U.K. operating subsidiary, Castle Transmission 
International ("CTI") entered into an agreement with One2One, pursuant to which 
CTI has agreed to manage, develop and, at its option, acquire up to 821 towers
(the "Proposed One2One Transaction"). These towers represent substantially all 
the towers in One2One's 1,800 MHz nationwide wireless network in the United 
Kingdom. Approximately one-half of these 821 towers can accommodate additional
tenants. CTI expects to upgrade or replace the other towers as demand for space 
on such towers arises. CTI believes that the cost of upgrading or replacing any 
single tower will not exceed $40,000.
        
    CTI will be responsible for managing and leasing available space on the 
towers, and will receive all the income from any such third party leases. The 
term of the management arrangements will be up to 25 years. During the 
three-year period following the closing, CTI will have the right, at its option,
to acquire for (Pounds)1.00 per site One2One's interest in the 821 towers, to 
the extent such interests can be assigned. One2One has also agreed to include 
any new One2One towers constructed during the term of the agreement.

    On March 16, 1999, CCIC announced that CCIC and CCP Inc. ("CCP"), its wholly
owned indirect subsidiary, entered into an agreement with Powertel, Inc. and
five of its subsidiaries (collectively, "Powertel") pursuant to which the
parties agreed that the Company would purchase from Powertel approximately 650
towers and related assets and liabilities (the "Proposed Powertel Acquisition").

    The Company will pay to Powertel aggregate consideration of $275.0 million
("the Purchase Price"), (subject to adjustment based on the amount of towers
actually tendered to us at closing) for the 650 towers. At closing, Powertel
will pay the Company a credit against the purchase price in an aggregate amount
of $383,000.00 ("the Purchase Price Credit"), as consideration for its
acceptance of certain towers containing site leases which may require revenue
received from Powertel or its affiliates to be shared with the site lessors. The
Purchase Price less the Purchase Price Credit is referred to as the "Closing 
Price". Pursuant to the Asset Purchase Agreement, the Company has placed $50.0
million in escrow to be applied to the Closing Price. In the event that Powertel
has fulfilled all conditions precedent to closing and the Company is unable
or unwilling to deliver the balance of the Closing Price, Powertel will receive
up to the full $50.0 million as liquidated damages. 
 
    Pursuant to the Asset Purchase Agreement, at closing Powertel will assign
and the Company will assume five master site agreements ("the Master Site
Agreements"), pursuant to which Powertel will agree to pay the Company monthly
rent of $1,800 per tower for continued use of space Powertel or its affiliates
occupies on the towers. This per tower amount is subject to increase on each
fifth anniversary of the agreement and as Powertel adds equipment to these
towers.

    The operative agreements governing both the Proposed One2One Transaction and
the Proposed Powertel Acquisition are subject to a number of significant 
conditions. There can be no assurance that either transaction will be 
consummated on the terms described herein or at all.
 
    The following descriptions of the agreements related to the Proposed
Powertel Acquisition are summaries of the material portions of those agreements
or summaries of the terms of the agreements as currently contemplated. These
descriptions are qualified in their entirety by reference to the complete text
of the agreements. 
 
Asset Purchase Agreement
 
    Purchase Price. Pursuant to the Asset Purchase Agreement, the Company will
pay the Closing Price in cash on or before June 4, 1999 ("the Closing Date"),
to Powertel for Powertel's tower structures, rights to tower sites, related
assets and rights under applicable governmental permits. The purchase price is
subject to adjustment up or down based on the actual number of sites tendered at
closing. The Asset Purchase Agreement provides that sites considered defective
or incomplete ("Rejected Sites"), will not be tendered at closing, and
consequently, the purchase price will be reduced by an amount equal to $423,077
for each Rejected Site.
 
    Terms and Conditions. In connection with the Proposed Powertel Acquisition,
the Company and Powertel are making certain representations and warranties which
must be true on the Closing Date in order for the transaction to be consummated.
Other conditions which must be satisfied on the Closing Date include:
 
  .  compliance by the Company and Powertel with the Asset Purchase Agreement;
 
  .  absence of litigation;
 
  .  receipt of regulatory approvals; and
 
  .  absence of any material adverse effect with respect to the Powertel
     assets and assumed liabilities.
 
    In addition, pursuant to the Asset Purchase Agreement, the Company has
deposited $50.0 million in cash ("the Escrow Deposit"), with SunTrust Bank
Atlanta ("the Escrow Agent"). At closing, the Escrow Deposit will be delivered
to Powertel and credited against the Closing Price. However, the Company has
agreed that the Escrow Deposit will be forfeited to Powertel in the event that
the Company is unable to receive adequate financing to consummate the
acquisition and thus is unable to close the acquisition in a timely manner. As a
condition to the Asset Purchase Agreement, the Company has agreed to use its
reasonable best efforts to have a registration statement relating to such
financing declared effective as expeditiously as possible. Further, upon the
occurrence of certain events, the Company is required to provide Powertel with
adequate written assurance that it has at least one alternative financing
source, which in Powertel's sole judgment provides it assurance that the Company
will have on hand a minimum of an additional $225.0 million in cash to apply to
the Purchase Price at closing (a "Financing Assurance"). Such Financing
Assurance must be received by Powertel within five days of the occurrence of
certain events including:
 
  .  the Company's failure to file the registration statement before March 19,
     1999;

   . the withdrawal or abandonment of the registration statement or the
     decision not to proceed with the offerings contemplated by the registration
     statement;
 
  .  the Company's failure to commence presentations to institutional investors
     by May 15, 1999 or, after commencement of such presentations, termination
     or abandonment of such presentations and failure to proceed to pricing of
     the offerings.
 
    In the event the Company is required to provide Powertel with a Financing
Assurance, Powertel will have five days to accept or reject it. If Powertel
rejects the Financing Assurance, the Company will have ten days from receipt of
the rejection to deliver the $225.0 million balance of the Closing Price to the
Escrow Agent, who will deliver the entire Closing Price to Powertel at closing.
However, if the Company is unable or unwilling to deliver the additional sum
into escrow, Powertel will have the right to unilaterally terminate the Asset
Purchase Agreement, and receive, as its sole remedy, from the Escrow Deposit
liquidated damages in the amount of $10.0 million on or prior to May 15, 1999 or
$25.0 million after May 15, 1999 but prior to June 4, 1999. If on June 4, 1999,
Powertel has fulfilled all of its obligations and conditions precedent to
closing in all material respects and has not defaulted or breached its
obligations under the Asset Purchase Agreement, and the Company has failed to
deliver the additional sum into escrow or is otherwise unable or unwilling to
deliver the Purchase Price, Powertel will receive as liquidated damages the
entire amount of the Escrow Deposit.
 
Master Site Agreement
 
    On the Closing Date, the parties to the Asset Purchase Agreement and certain
of Powertel's affiliates will enter into Master Site Agreements governing all
towers acquired pursuant to the Asset Purchase Agreement. Pursuant to the Master
Site Agreements, Powertel or certain affiliates will agree to continue to lease
the space it currently occupies on the towers to be acquired by the Company. The
monthly rent paid by Powertel for each tower will be $1,800. Such monthly
payment is subject to increase based on an agreed upon schedule if and when
Powertel adds equipment to a site. Nonetheless, the monthly rent, including
additional rents related to the addition of certain equipment, shall be
increased on each fifth anniversary of the agreement up to an amount that is
115% of the rent paid during the preceding five year period. The Master Site
Agreements provide that space not occupied by Powertel on the acquired towers
can be leased to third parties at the Company's sole option.
 
    Pursuant to the Master Site Agreements, the term of each tower lease will be
ten years. Powertel has the right to extend any site lease for up to three
additional five year periods. Each site lease will automatically renew for an
option term unless Powertel notifies the Company of its intent not to renew at
least 180 days prior to the end of the then current term.


Item 7. Financial Statements and Exhibits

        (c) Exhibits

<TABLE>
<CAPTION>
    Exhibit No.                            Description
- -------------------                   -------------------------------------
<S>                              <C>                                         
        99.1                          Press Release dated March 15, 1999

        99.2                          Press Release dated March 16, 1999 

        99.3                          Asset Purchase Agreement by and among   
                                      Crown Castle International Corp., CCP
                                      Inc., Powertel Atlanta Towers,       
                                      LLC, Powertel Birmingham Towers, LLC,
                                      Powertel Jacksonville Towers, LLC,
                                      Powertel Kentucky Towers, LLC,       
                                      Powertel Memphis Towers, LLC, and
                                      Powertel, Inc., dated March 15, 1999
</TABLE>

                                       3
<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 hereunto duly authorized.

      Crown Castle International Corp.,



By:   /s/ Charles C. Green, III
      --------------------------------------------------
      Executive Vice President and Chief Financial Officer

March  16, 1999

                                       4
<PAGE>
 
                                 EXHIBIT INDEX

Exhibit No.  Description of Exhibit
- -----------  -----------------------------------------------------------
 
       99.1  Press Release dated March  15, 1999
       
       99.2  Press Release dated March  16, 1999
 
       99.3  Asset Purchase Agreement by and among Crown Castle
             International Corp., CCP Inc., Powertel Atlanta Towers,
             LLC, Powertel Birmingham Towers, LLC, Powertel
             Jacksonville Towers, LLC, Powertel Kentucky Towers, LLC,
             Powertel Memphis Towers, LLC, and Powertel, Inc., dated
             March 15, 1999 
 

                                       5

<PAGE>
 
                                                                    EXHIBIT 99.1

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

News Release                              Easterly
                                          Investor Relations

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

                                    Client:     Crown Castle International Corp.

                                  Contacts:     Charles C. Green, III, CFO
                                                Crown Castle International
                                                713-570-3000
FOR IMMEDIATE RELEASE
                                                Ken Dennard, Easterly I.R.
                                                [email protected]
                                                713-529-6600


                           Crown Castle International
                              ADDS 821 TOWERS IN UK

MARCH 15, 1999 - HOUSTON, TEXAS - Crown Castle International Corp. (NASDAQ:TWRS)
today announced that its UK operating subsidiary, Castle Transmission
International (CTI), has entered into an agreement with One2One for the
management, operation and lease-up of 821 communications towers. This
transaction is the first of its kind in the UK and makes One2One's portfolio
of existing towers available to other telecommunications operators and
broadcasters through CTI. CTI will manage the agreement through its existing 26
manned team bases strategically located throughout the UK.

         CTI will manage 821 One2One towers for a period of 10 years,
extendable to 25 years at CTI's option. These towers represent one of the most
attractive footprints available in the UK, and include over 230 towers located
in Greater London and Southeast England. CTI has the option to transfer the
ownership of all of the towers from One2One, subject to receipt of landlord
consent where appropriate.

         One2One will receive eight years of free rent on these towers, as well
as two years of free rent on approximately 160 CTI sites already shared by One 2
One. CTI will also manage and own, when completed, up to 500 build-to-suit
towers planned over the next three years. One2One will have 15 years of free
rent on these towers. CTI will also provide acquisition, design and construction
services for up to 250 of these new towers. One2One has today placed an
initial order for 62 new sites. CTI will market and develop the existing and new
towers to provide facilities for other telecommunications operators and
broadcasters, and will receive all rents from existing and future sharers.

         "This agreement doubles the size of our UK tower portfolio and further
secures our position as the largest independent wireless infrastructure provider
in the UK, with a national cluster of towers providing broadcast and wireless
telephony coverage to substantially the entire population of the UK," stated Ted
B Miller, Jr., CEO of Crown Castle International. "We are proud to have been
selected as the partner of choice for the first major wireless carrier tower
transaction in the UK."
<PAGE>
 
         Tim Samples, Managing Director of One2One, commented, "This agreement
will reduce our property costs and allow us to focus more efficiently on our
core operations. One2One believes in protecting the environment in the
construction of its mobile phone network. This transaction will further
encourage and facilitate sharing sites with other operators."

         This agreement has been approved by the Boards of both companies, but
remains conditional on the receipt of approval from One2One's lenders. 

[LOGO] CROWN CASTLE INTERNATIONAL CORP.

Crown Castle International Corp. is a leading provider of communication sites
and wireless network services and provides an array of related infrastructure
and network support services to the wireless communications and radio and
television broadcasting industries in the United States and United Kingdom. Pro
forma for One2One and the recent Bell Atlantic Mobile and BellSouth
transactions, Crown Castle International owns, operates and manages over 5,400
communications sites. For more information on Crown Castle, visit:
www.crowncastle.com.

         One2One is a trading name of Mercury Personal Communications, a
partnership jointly owned by Cable and Wireless Plc and MediaOne International
(NYSE:UMG). One2One's total customer base as at December 31, 1998 was
1,921,000, representing a 15 percent market share, and its service is available
to 96 percent of Great Britain's population and in 47 territories on five
continents through roaming agreements with 64 operators. Current roaming
destinations include all European Union member states, the United States and
Canada, Australia, New Zealand, Hong Kong, Singapore, and South Africa. For more
information on One2One, visit: www.one2one.co.uk.

This press release contains various forward-looking statements and information
that are based on management's belief as well as assumptions made by and
information currently available to management. Although the Company believes
that the expectations reflected in such forward-looking statements are
reasonable, it can give no assurance that such expectations will prove to have
been correct. Such statements are subject to certain risks, uncertainties and
assumptions. Should one or more of these risks materialize, or should underlying
assumptions prove incorrect, actual results may vary materially from those
expected.


                                     # # #

<PAGE>
 
                                                                    EXHIBIT 99.2

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

News Release                              Easterly
                                          Investor Relations

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

                                    Client:     Crown Castle International Corp.

                                  Contacts:     Charles C. Green, III, CFO
                                                Crown Castle International
                                                713-570-3000
FOR IMMEDIATE RELEASE
                                                Ken Dennard, Easterly I.R.
                                                [email protected]
                                                713-529-6600

                          Crown Castle International TO
                        ACQUIRE 650 TOWERS FROM POWERTEL

MARCH 16, 1999 - HOUSTON, TEXAS - Crown Castle International Corp. (NASDAQ:TWRS)
today announced it has entered into a definitive agreement to acquire 650
communications sites from Powertel, Inc. (NASDAQ:PTEL) for approximately $275
million in cash. The transaction is expected to close in the second quarter of
1999. The agreement provides Powertel with a 10-year lease - with three five-
year renewal terms - on the sites purchased by Crown Castle. Crown Castle will
receive $1,800 per month per tower from Powertel. The lease is subject to a 15
percent rent increase at the end of each five-year term.

         "We are pleased to announce our third important US carrier transaction
as we complement and enhance our East Coast and Southeast cluster strategy,"
stated Ted B. Miller, Jr., CEO of Crown Castle International. "Over the past
three years, Powertel has focused on constructing high-quality towers with
significant co-location capacity and - in our view - are the best towers in
their respective markets. Powertel's extensive Southeast coverage includes high
growth clusters such as Atlanta, Jacksonville, Florida, and Birmingham, Alabama,
with network coverage to nearly 16 million of the 24 million people throughout
this 12-state footprint. With more than 3,000 miles of highway coverage,
Powertel customers have contiguous PCS coverage from northern Florida to
Kentucky.

         "Combined with our previously announced Bell Atlantic Mobile and
BellSouth transactions, the Powertel portfolio brings our pro forma
communications site count to over 6,000 total sites," concluded Mr. Miller.

         "We evaluated a number of contenders for the purchase of our towers and
found pricing to be extremely competitive," stated Allen E. Smith, Powertel
President and CEO. "However, we felt Crown Castle's superior industry knowledge
and operational expertise was a differentiating factor." 
<PAGE>
 
[LOGO] CROWN CASTLE INTERNATIONAL CORP

Crown Castle International Corp. is a leading provider of communication sites
and wireless network services and provides an array of related infrastructure
and network support services to the wireless communications and radio and
television broadcasting industries in the United States and United Kingdom. Pro
forma for the Bell Atlantic Mobile, BellSouth, One 2 One, and Powertel
transactions, Crown Castle International owns, operates and manages over 6,000
communication sites. For more information on Crown Castle International, visit:
www.crowncastle.com.

[LOGO] POWERTEL, INC.

Powertel, Inc. is a leading wireless Personal Communications Service (PCS)
provider serving the southeastern United States and is licensed to provide
wireless PCS services in 12 states to a population of more than 24 million
people in major cities including Athens, Atlanta, Augusta, Columbus, Birmingham,
Chattanooga, Jackson, Jacksonville, Knoxville, Lexington, Louisville, Macon,
Memphis, Nashville and Savannah. With service in 34 operational markets and
along major connecting highway corridors spanning seven states, Powertel has the
largest contiguous PCS network in the southeastern United States. Powertel
offers consumers and businesses a variety of compact handsets featuring a secure
portable phone, voice mail, short messaging and paging services and a range of
affordable pricing plans without contracts. For more information on Powertel and
its products and services, visit the company on its web site at:
http://www.powertel.com.

This press release contains various forward-looking statements and information
that are based on management's belief as well as assumptions made by and
information currently available to management. Although the Company believes
that the expectations reflected in such forward-looking statements are
reasonable, it can give no assurance that such expectations will prove to have
been correct. Such statements are subject to certain risks, uncertainties and
assumptions. Should one or more of these risks materialize, or should underlying
assumptions prove incorrect, actual results may vary materially from those
expected.


                                     # # #

<PAGE>
 
                                                                    EXHIBIT 99.3

================================================================================



                           ASSET PURCHASE AGREEMENT

                                 by and among

                       CROWN CASTLE INTERNATIONAL CORP.,

                                   CCP INC.,

                         POWERTEL ATLANTA TOWERS, LLC,

                       POWERTEL BIRMINGHAM TOWERS, LLC,

                      POWERTEL JACKSONVILLE TOWERS, LLC,

                        POWERTEL KENTUCKY TOWERS, LLC,

                         POWERTEL MEMPHIS TOWERS, LLC

                              and POWERTEL, INC.



                            Dated:  March 15, 1999



================================================================================
<PAGE>
 
<TABLE>
<CAPTION>
 
                           ASSET PURCHASE AGREEMENT

                               Table of Contents
                               -----------------
 
                                                                                        Page
<S>         <C>                                                                          <C> 
ARTICLE 1 - DEFINITIONS.................................................................  1

ARTICLE 2 - PURCHASE AND SALE OF ASSETS; ASSUMPTION OF LIABILITIES...................... 10
 2.1   Assets........................................................................... 10
 2.2   Excluded Assets.................................................................. 11
 2.3   Assumption of Certain Liabilities; Retained Liabilities.......................... 12
 2.4   Assignment or Subcontracting of Purchased Contracts.............................. 13
 2.5   Consent of Third Parties......................................................... 14
 2.6   Bulk Transfer Laws............................................................... 14
 2.7   Certain Apportionments........................................................... 14
 2.8   Master Site Agreement............................................................ 15
 2.9   [intentionally deleted].......................................................... 15
 2.10  Due Diligence.................................................................... 15
 2.11  Rejected Sites................................................................... 17
 2.12  Additional Sites................................................................. 18

ARTICLE 3 - PURCHASE PRICE, ESCROW DEPOSIT AND PURCHASE PRICE ADJUSTMENTS............... 20
 3.1   Purchase Price................................................................... 20
 3.2   Pre-Closing Adjustments to Purchase Price........................................ 21
 3.3   Post-Closing Adjustments......................................................... 22
 3.4   Purchase Price Allocation........................................................ 22
 3.5   Escrow Agreement................................................................. 22

ARTICLE 4 - AGREEMENTS PENDING CLOSING.................................................. 22
 4.1   Agreements of Powertel and Sellers Pending the Closing........................... 22
 4.2   Agreements of CCIC and Buyer Pending the Closing................................. 25
 4.3   Agreements of the Parties Pending Closing........................................ 27

ARTICLE 5 - CONDITIONS PRECEDENT TO THE CLOSING......................................... 29
 5.1   Conditions Precedent to the Obligations of CCIC and Buyer........................ 29
 5.2   Conditions Precedent to the Obligations of Powertel and Sellers.................. 30

ARTICLE 6 - REPRESENTATIONS AND WARRANTIES.............................................. 31
 6.1   Representations and Warranties of Powertel and Sellers........................... 31
 6.2   Representations and Warranties of Powertel and Sellers as of
        the Closing Date................................................................ 35
 6.3   Representations and Warranties of CCIC and Buyer................................. 37
 6.4   Assets in "As Is" Condition...................................................... 38
 6.5   Survival......................................................................... 39
 6.6   Definitions of "Knowledge" and "Belief".......................................... 39
 6.7   Reliance and Notification........................................................ 39

ARTICLE 7 - CLOSING; DELIVERIES OF THE PARTIES AT CLOSING............................... 40
 7.1   The Closing...................................................................... 40
 7.2   Deliveries at the Closing by Powertel and Sellers................................ 40
</TABLE> 
<PAGE>
 
<TABLE> 
<C>  <S>                                                                                <C> 
 7.3   Deliveries at the Closing by CCIC and Buyer...................................... 41
 7.4   Pre-Closing Deliveries........................................................... 41
 7.5   Post-Closing Covenant............................................................ 41
 7.6   Time is of the Essence........................................................... 42

ARTICLE 8 - INDEMNIFICATION............................................................. 42
 8.1   Indemnification.................................................................. 42
 8.2   Mitigation....................................................................... 44
 8.3   Effect of Investigation or Knowledge............................................. 44
 8.4   Duration of Indemnification...................................................... 45

ARTICLE 9 - POST-CLOSING COVENANTS...................................................... 45
 9.1   Post-Closing Covenants Related to Buyer.......................................... 45

ARTICLE 10 - MISCELLANEOUS.............................................................. 45
 10.1  Remedies......................................................................... 45
 10.2  Dispute Resolution............................................................... 46
 10.3  Transfer Taxes................................................................... 47
 10.4  Termination...................................................................... 47
 10.5  Expenses......................................................................... 48
 10.6  Entire Agreement................................................................. 49
 10.7  Amendments....................................................................... 49
 10.8  Waiver........................................................................... 49
 10.9  Assignment and Binding Effect.................................................... 49
 10.10 Notices.......................................................................... 49
 10.11 Georgia Law to Govern............................................................ 50
 10.12 No Benefit to Others............................................................. 50
 10.13 Table of Contents; Headings...................................................... 50
 10.14 Schedules and Exhibits........................................................... 50
 10.15 Severability..................................................................... 50
 10.16 Counterparts and Facsimile Execution............................................. 51
 10.17 Confidentiality.................................................................. 51
 10.18 Directly or Indirectly........................................................... 51
 10.19 Interpretation................................................................... 51
 10.20 Further Assurances............................................................... 51
</TABLE> 
<PAGE>
 
              List of Schedules
 
Schedule 1.1..................................  1
Schedule 1.2..................................  3
Schedule 1.3..................................  5
Schedule 1.4..................................  6
Schedule 1.5..................................  7
Schedule 1.6..................................  8
Schedule 1.7..................................  9
Schedule 1.8.................................. 10
Schedule 2.4.................................. 13
Schedule 2.11................................. 18
Schedule 3.3.................................. 22
Schedule 3.4.................................. 22
Schedule 6.1(d)............................... 32
Schedule 6.1(e)............................... 32
Schedule 6.1(k)............................... 34
Schedule 6.2(d)............................... 36
Schedule 6.2(e)............................... 36
Schedule 6.2(f)............................... 37
Schedule 6.2(h)............................... 37

 
                               List of Exhibits


Exhibit "A" - Master Site Agreement
Exhibit "B" - CCIC Guaranty
Exhibit "C" - Powertel Guaranty
Exhibit "D" - Escrow Agreement
Exhibit "E" - FIRPTA Affidavit

                                     -iii-
<PAGE>
 
                           ASSET PURCHASE AGREEMENT


     This ASSET PURCHASE AGREEMENT (the "Agreement") is dated effective as of
                                         ---------                           
the 15th day of March, 1999, by and among Crown Castle International Corp., a
Delaware corporation ("CCIC"), CCP Inc., a Delaware corporation (the "Buyer"),
                       ----                                           -----   
Powertel Atlanta Towers, LLC, Powertel Birmingham Towers, LLC, Powertel
Jacksonville Towers, LLC, Powertel Kentucky Towers, LLC, and Powertel Memphis
Towers, LLC, each a Delaware limited liability company (collectively the
                                                                        
"Sellers" and each individually a "Seller"), and Powertel, Inc., a Delaware
- --------                           ------                                  
corporation ("Powertel").
              --------   

                                   RECITALS:
                                   ---------

     Buyer is a wholly owned subsidiary of Crown Communication Inc., a Delaware
corporation.  Crown Communication Inc. is a wholly owned subsidiary of CCIC.
Buyer is a special purpose entity.  Sellers are wholly owned subsidiaries of
Powertel.  Powertel and Sellers are the owners of certain tower structures,
interests in real property related thereto, and related assets, property rights,
liabilities and obligations, as more particularly described herein.  Buyer is
engaged in the business of owning, managing and operating assets similar to the
Assets (as hereinafter defined).  Powertel and Sellers desire to sell, convey,
assign and transfer to Buyer, and Buyer desires to purchase and assume from
Powertel and Sellers, the Assets and certain liabilities, as more particularly
described herein, on the terms and subject to the conditions described in this
Agreement.

     NOW, THEREFORE, in consideration of the foregoing and for other good and
valuable consideration, the receipt and sufficiency of which are hereby
acknowledged, and intending to be legally bound, the parties agree as follows:

                                   ARTICLE 1

                                  DEFINITIONS

     For convenience, certain terms used in this Agreement and the Exhibits and
Schedules attached hereto are listed in alphabetical order and defined or
referred to below (such terms as well as any other terms defined elsewhere in
this Agreement shall be equally applicable to both the singular and plural forms
of the terms defined).  The term "parties" shall refer to Powertel, Sellers,
CCIC and Buyer, collectively.  The term "either party" shall, unless the context
otherwise requires, refer to Powertel and Sellers on the one hand, and CCIC and
Buyer on the other hand.

     "AAA" is defined in Section 10.2(b).
      ---                                

     "Acceptance" is defined in Section 4.2(a).
      ----------                               

     "Accepted Sites" means those Tower Sites set forth on Schedule 1.1, as such
      --------------                                                            
Schedule may be modified or supplemented pursuant to the terms and conditions of
this Agreement.

     "Accounting Firm" is defined in Section 2.7.
      ---------------                            
<PAGE>
 
     "Additional Sites" shall exclude any Rejected Sites, but shall have the
      ----------------                                                      
meaning contemplated by Section 2.10(a) and shall refer to sites, including In-
Progress Sites, which are generally comparable to Tower Sites to be conveyed
pursuant to this Agreement in the following respects:  (i) type, height and
structural capacity of the tower, (ii) type and size of the site, (iii) third
party revenues derived from the lease of space to tenants, and (iv) available
space for lease to third party tenants, and as to which Powertel or the Sellers
(or their Affiliates) propose to lease tower and ground space pursuant to the
Master Lease and the terms and conditions contained therein, and on which
telecommunications tower structures are either (A) constructed and fully
complete, or (B) in the case of In-Progress Sites, being constructed and fully
completed.

     "Affiliates" means, when used with reference to a specific Person, any
      ----------                                                           
Entity that, directly or indirectly, or through one or more intermediaries, owns
or controls, is owned or controlled by, or is under common ownership or common
control with, such specific Person.  As used herein, "control" means the power
to direct the management or affairs of a Person, and "ownership" means the
ownership of more than 50% of the voting equity interests of the Person.

     "Agreement" means this Agreement and the Exhibits and Schedules hereto, as
      ---------                                                                
any of the foregoing may, from time to time, be amended, modified or restated in
accordance with the provisions hereof.

     "Assets" is defined in Section 2.1.
      ------                            

     "Assumed Liabilities" is defined in Section 2.3(a).
      -------------------                               

     "CCIC" is defined above in the preamble.
      ----                                   

     "CCIC Guaranty" is defined in Section 2.8.
      -------------                            

     "Charter Documents" means an Entity's certificate or articles of
      -----------------                                              
incorporation, certificate defining the rights and preferences of securities,
articles of organization, general or limited partnership agreement, certificate
of limited partnership, limited liability company agreement, joint venture
agreement or similar document governing the Entity.

     "Circumstance" is defined in Section 2.11(c).
      ------------                                

     "Closing" is defined in Section 3.1(b).
      -------                               

     "Closing Certificate" is defined in Section 6.2.
      -------------------                            

     "Closing Date" is defined in Section 3.1(b).
      ------------                               

     "Completion Notice" is defined in Section 2.10(b).
      -----------------                                

     "Construction Activities" shall include (i) all site engineering,
      -----------------------                                         
architectural and engineering drawings (as necessary) and geotechnical
investigations (if necessary); (ii) if necessary, construction 
<PAGE>
 
of an access road suitable for pedestrian and vehicular ingress and egress;
(iii) the construction of a communications tower complete with grounding systems
and tower lighting (as necessary); (iv) all other reasonable and customary
installations to complete construction of the Tower Structures (along with
ancillary tower equipment and parts); (v) all customary installations to bring
electrical power to the Tower Site; (vi) all installations necessary to
accommodate under the Master Lease Powertel's and/or Sellers' (or their
respective Affiliates') facilities and equipment; and (vii) obtaining a
certificate of occupancy or the equivalent thereof, if required by applicable
Laws.

     "Contract" means any written contract, agreement, lease, license for tower
      --------                                                                 
space, instrument or other commitment that is related to the Assets and is
binding on any Person or its property under applicable Law.

     "Court Order" means any judgment, decree, injunction, order or ruling of
      -----------                                                            
any federal, state, local or foreign court, Governmental Authority or any
arbitrator that is binding on any Person or its property under applicable Law.

     "Cure Notice" is defined in Section 2.10(d).
      -----------                                

     "Default" means, with respect to this Agreement and any Contracts, Court
      -------                                                                
Orders, Governmental Permits or Laws related to the Assets, (a) a breach,
default or violation, (b) the occurrence of an event that with or without the
passage of time or the giving of notice, or both, would constitute a breach,
default or violation or (c) with respect to any Contract, the occurrence of an
event that with or without the passage of time or the giving of notice, or both,
would give rise to a right of termination, renegotiation or acceleration or a
right to receive damages or a payment of penalties.

     "Defect" means the items identified as Defects on Schedule 1.2 and, subject
      ------                                                                    
to the limitations set forth in this Agreement and Powertel's and Sellers' right
to dispute in good faith items identified as "Defects" with respect to Missing
Information furnished regarding Incomplete Sites and due diligence materials
furnished regarding Additional Sites, problems or defects which CCIC and Buyer
reasonably believe would or could be expected to adversely affect Buyer's use,
ownership or operation of a Tower Site in a material way.

     "Defective Sites" means those sites set forth on Schedule 1.2, as such
      ---------------                                                      
Schedule may be modified or supplemented pursuant to the terms and conditions of
this Agreement.

     "Early Termination Payment" is defined in Section 4.2(a).
      -------------------------                               

     "Encumbrance" means any lien, mortgage, security interest, pledge,
      -----------                                                      
restriction on use or transferability, defect of title, option or other claim,
charge or encumbrance of any nature whatsoever on any property or property
interest.

                                      -3-
<PAGE>
 
     "Entity" means any corporation, firm, unincorporated organization,
      ------                                                           
association, partnership, limited liability company, trust (inter vivos or
testamentary), estate of a deceased, insane or incompetent individual, business
trust, joint stock company, joint venture or other organization, entity or
business, whether acting on its own behalf or in a fiduciary or other capacity,
or any Governmental Authority.

     "Environmental Condition" means any condition or circumstance, including
      -----------------------                                                
the presence of Hazardous Substances, at any Tower Site that Powertel or Sellers
reasonably except to (a) require abatement or correction under an Environmental
Law in excess of $75,000, or (b) give rise to any civil or criminal Liability in
excess of $75,000 on the part of Powertel or Sellers under any Environmental Law
relating to the use or occupancy of the Tower Sites.

     "Environmental Law" means all Laws and Court Orders relating to Hazardous
      -----------------                                                       
Substances, pollution or protection of the environment.

     "Escrow Agent" is defined in Section 3.1(c).
      ------------                               

     "Escrow Agreement" is defined in Section 3.5.
      ----------------                            

     "Escrow Deposit" is defined in Section 3.1(c).
      --------------                               

     "Event" means the occurrence of any act, action, activity, event, failure
      -----                                                                   
to act, omission, incident or practice, or any set or combination of any of the
foregoing.

     "Excluded Assets" is defined in Section 2.2.
      ---------------                            

     "FAA" means the Federal Aviation Administration, or any successor
      ---                                                             
Governmental Authority.

     "FCC" means the Federal Communications Commission, or any successor
      ---                                                               
Governmental Authority.

     "Financing Assurance" is defined in Section 4.2(a).
      -------------------                               

     "FIRPTA Affidavit" is defined in Section 7.2(j).
      ----------------                               

     "Gap Period" means the period of time between (i) the time a Site Lease was
      ----------                                                                
executed by the parties thereto and (ii) the time such Site Lease or a
memorandum thereof was filed of record in the county where the applicable Leased
Site is located.

     "Governmental Authority" means any federal, state, territorial, county,
      ----------------------                                                
municipal, local or other government or governmental agency or body or any other
type of regulatory body, whether domestic or foreign, including without
limitation, the FCC and the FAA.

                                      -4-
<PAGE>
 
     "Governmental Permits" means all governmental approvals, permits, licenses,
      --------------------                                                      
registrations, certifications, agreements and other governmental authorizations
required in connection with the use and operation of the Assets.

     "Hazardous Substances" means all explosive or radioactive substances or
      --------------------                                                  
wastes, petroleum or petroleum distillates, asbestos or asbestos-containing
materials, polychlorinated biphenyls, and any of the following: (i) any
                                                                       
>hazardous substances,' as defined under the Comprehensive Environmental
- ---------------------                                                   
Response, Compensation, and Liability Act, 42 U.S.C. '' 9601 et seq.; (ii) any
                                                             -- ----          
>extremely hazardous substance,' >hazardous chemical' or >toxic chemical,' each
- -------------------------------   ------------------      ---------------      
as defined under the Emergency Planning and Community Right-to-Know Act, 42
U.S.C. '' 11001 et seq.; (iii) any >hazardous waste,' as defined under the Solid
                -- ----             ----------------                            
Waste Disposal Act, as amended by the Resource Conservation and Recovery Act, 42
U.S.C. '' 6901 et seq.; (iv) any >pollutant,' as defined under the Clean Water
               -- ----            ----------                                  
Act, 33 U.S.C. '' 1251 et seq.; and (v) any regulated substance or waste under
                       -- ----                                                
any Environmental Law.

     "HSR Act" means the Hart-Scott-Rodino Antitrust Improvements Act of 1976,
      -------                                                                 
as amended, and all regulations promulgated thereunder, as in effect from time
to time, and any reference to any such statutory or regulatory provision shall
be deemed to be a reference to any successor statutory or regulatory provision.

     "In-Progress Sites" shall exclude any Rejected Sites, but shall mean and
      -----------------                                                      
refer to Tower Sites on which telecommunications tower structures are in the
process of being constructed by Powertel and/or Sellers, and as to which at
least 15 days prior to Closing, Powertel and/or Sellers shall have obtained (and
delivered copies thereof to CCIC and Buyer) (i) a Site Lease which is reasonably
acceptable to CCIC and Buyer, (ii) all necessary zoning approvals and building
permits, (iii) all necessary FAA approvals or certifications, (iv) a phase I
environmental assessment, (v) a site survey, and (vi) a title commitment, search
or report.

     "Incomplete Sites" means those sites set forth on Schedule 1.3, as such
      ----------------                                                      
Schedule may be modified or supplemented pursuant to the terms and conditions of
this Agreement.

     "Indemnified Party" means the Person to whom an indemnity may be or is
      -----------------                                                    
provided pursuant to Sections 8.1(a) or 8.1(b), as the case may be.

     "Indemnitor" is defined in Section 8.1.
      ----------                            

     "Intervening Encumbrance" shall mean, with respect to a Leased Site, an
      -----------------------                                               
Encumbrance which is filed, created or suffered and is filed of record or
otherwise obtains priority against a Leased Site during the Gap Period.  An
Intervening Encumbrance shall not include an Encumbrance which by law would have
lien priority over a previously recorded Site Lease or memorandum thereof or an
Encumbrance which is created or suffered by CCIC or Buyer (or their Affiliates),
or which is filed of record or otherwise obtains priority against a Leased Site
prior to the time the applicable Site Lease was executed by the parties thereto
or after the time such Site Lease or memorandum thereof 

                                      -5-
<PAGE>
 
was filed of record in the county where the Leased Site is located but shall
include, without limitation, such an Encumbrance (including an Encumbrance which
is a Permitted Encumbrance), created or suffered during such Gap Period by the
lessor or landlord who executed the applicable Site Lease, any subsequent or
other owner of the land which is the subject of the Leased Site, Powertel or
Sellers (or their Affiliates).

     "Law" means any administrative, judicial, legislative or other statute,
      ---                                                                   
law, ordinance, regulation, rule, order, decree, writ, award or decision
(including without limitation the common law and those of the FAA and FCC),
including those covering environmental, energy, safety, health, transportation,
bribery, recordkeeping, zoning, and antitrust matters.

     "Leased Sites" means the sites indicated as Leased Sites in Schedule 1.4
      ------------                                                           
hereto (excluding any Rejected Sites) for which Powertel or the Sellers hold a
leasehold interest in and to the real property associated therewith.

     "Liability" means any direct or indirect liability, indebtedness,
      ---------                                                       
obligation, cost, expense, claim, loss, damage, deficiency, guaranty or
endorsement of (other than endorsements for collection or deposits in the
ordinary course of business) or by any Person.

     "Litigation" means any lawsuit, action, arbitration, administrative or
      ----------                                                           
other proceeding, criminal prosecution, formal governmental investigation or
inquiry, or counterclaim, whether at law or in equity, in connection with the
ownership, use or operation of the Assets.

     "Loss" means a loss, liability, claim, demand, cause of action, judgment,
      ----                                                                    
damage or expense (including, with respect thereto, reasonable attorneys',
consultants' and other professional fees and disbursements of every kind, nature
and description).

     "Master Lease" is defined in Section 2.8.
      ------------                            

     "Material Adverse Effect" means an adverse effect on (i) the Assets or an
      -----------------------                                                 
increase in the Assumed Liabilities, in each case by more than $75,000 taken on
a per Tower Site basis, except any such effect resulting from or arising in
connection with (a) this Agreement or the transactions contemplated hereby, (b)
changes or conditions (including without limitation changes in technology, law,
or regulatory or market environment) affecting the industry in which the owners
or users of communications tower structures operate, or (c) changes in economic,
regulatory or political conditions generally, (ii) the validity or
enforceability of this Agreement or any of the Transaction Documents, or (iii)
the ability of a party to this Agreement or the Transaction Documents to perform
its obligations under this Agreement or any of the Transaction Documents.
Notwithstanding the foregoing, when the phrase "Material Adverse Effect taken as
a whole" is used in this Agreement, it shall have the meaning set forth above,
but shall mean an adverse effect on the aggregate Assets or aggregate Assumed
Liabilities, taken as a whole (without considering any calculation derived from
the per Tower Site dollar amount referred to above), rather than on a per Tower
Site basis.

                                      -6-
<PAGE>
 
     "Minor Contract" is defined in Section 6.1(e).
      --------------                               

     "Missing Information" is defined in Section 2.10(a).
      -------------------                                

     "MOA" is defined in Section 4.1(h).
      ---                               

     "Non-Assignable Contract" is defined in Section 2.5.
      -----------------------                            

     "Ordinary course" or "ordinary course of business" means the ordinary
      ---------------      ---------------------------                    
course of conducting the ownership, operation, use and leasing of the Tower
Structures by Powertel, Sellers and/or their respective Affiliates consistent
with past practice.

     "Owned Sites" means the Tower Sites designated as Owned Sites in Schedule
      -----------                                                             
1.5 hereto (excluding any Rejected Sites) for which a fee ownership is held by
Powertel and/or the Sellers.

     "Permitted Encumbrances" means, except as provided in the last sentence of
      ----------------------                                                   
this definition, (i) liens for current real or personal property taxes not yet
due and payable, (ii) as to the Assets described in Schedule 1.1 and Schedule
1.2, liens, encumbrances or other matters disclosed in the title policies,
commitments, searches and reports delivered by Powertel to Buyer in CD-ROM
format or any other format prior to the effective date of this Agreement, (iii)
as to the Assets described in Schedule 1.3, liens, encumbrances or other matters
disclosed in the title commitments, searches and reports obtained after the
effective date of this Agreement but prior to the Closing Date, (iv) worker's,
carrier's and materialman's liens not yet due and payable, (v) with respect to
Leased Sites, any liens, encumbrances or other matters placed upon such real
property by the owners thereof, other than to secure obligations or liabilities
of Powertel or Sellers, (vi) easements, rights of way or similar grants of
rights to a third party for access to or across any real property or granted to
any utility or similar entity in connection with the provision of electric,
water, sewage, telephone, gas or similar services, (vii) the Tower Leases,
(viii) any failure by Powertel, the Sellers, CCIC or Buyer to identify or obtain
any consents (other than Required Consents) from third parties as may be deemed
necessary or desirable in connection with the transfer and assignment of
Contracts, Site Leases, Tower Equipment Leases, Tower Leases and Tower Service
Contracts, (ix) terms and conditions of Site Leases, Tower Equipment Leases,
Tower Service Contracts, Swap Lease Agreements and Revenue Sharing Site Leases
affecting any of the Assets, (x) any other liens, encumbrances or other matters
affecting title to the Assets, or any of them, which with the exercise by CCIC
and Buyer of reasonable diligence would be disclosed by: (A) the examination of
the public records germane to the certification, abstracting or issuance of
opinions regarding record title to any Asset constituting an interest in real
property, including any fee simple, leasehold, easement, license or other
appurtenance, or (B) a current, accurate as-built boundary survey of any Assets
constituting an interest in real property including any fee, leasehold,
easement, license or other appurtenance, and (xi) any other liens, encumbrances
or other imperfections that are immaterial in character, amount and extent and
that do not detract from the value or interfere in any material respect with the
present use of the properties they affect or which do not otherwise result in a
Material Adverse Effect.  Notwithstanding the foregoing, except for the Site
Leases, Tower Leases, Tower Equipment Leases, 

                                      -7-
<PAGE>
 
Tower Service Contracts, Swap Lease Agreements and Revenue Sharing Site Leases
constituting a portion of the Assets, Permitted Encumbrances shall not otherwise
include (1) any Encumbrance which results in or evidences that the record owner
of an Owned Site is not Powertel, or any of the Sellers, or that the owner of
the leasehold interest in the Leased Sites is not Powertel or any of the
Sellers, or that the lessor or landlord who executed a Site Lease or memorandum
thereof was not, at the time such Site Lease or memorandum was executed, the
record owner of the land described in such Site Lease or memorandum, (2) any
Encumbrance created or incurred by Powertel or Sellers (or their Affiliates) and
not disclosed in the documents furnished or otherwise made available to CCIC and
Buyer, including, without limitation, the title policies, commitments, searches
and reports made available in CD-ROM format or otherwise, or (3) any Defect
identified in Schedule 1.2.

     "Person" means any individual, corporation, partnership, limited liability
      ------                                                                   
company or other legal entity.

     "Powertel" is defined above in the preamble.
      --------                                   

     "Powertel Guaranty" is defined in Section 2.8.
      -----------------                            

     "Powertel PCS Credit Agreement" is defined in Section 2.2(b).
      -----------------------------                               

     "Prepaid Expenses" means all prepaid items, unbilled costs and fees, and
      ----------------                                                       
accounts, notes and other receivables under the Tower Service Contracts, Site
Leases, Tower Leases and Tower Equipment Leases as of the Closing Date.

     "Prime Rate" means the "Prime Rate" of interest, as published in the "Money
      ----------                                                                
Rates" table of The Wall Street Journal, Eastern Edition, from time to time.

     "Proposed Offering" is defined in Section 4.2(a).
      -----------------                               

     "Registration Statement" is defined in Section 4.2(a).
      ----------------------                               

     "Rejected Sites" is defined in Section 2.11(b).
      --------------                                

     "Rejection" is defined in Section 4.2(a).
      ---------                               

     "Required Consent" is defined in Section 2.4.
      ----------------                            

     "Retained Liability" is defined in Section 2.3(b).
      ------------------                               

     "Revenue Sharing Site Leases" is defined in Section 3.2(b).
      ---------------------------                               

     "SEC" is defined in Section 4.2(a).
      ---                               

     "Sellers" is defined above in the preamble.
      -------                                   

                                      -8-
<PAGE>
 
     "Site Leases" means the ground leases, licenses, easements, or other
      -----------                                                        
agreements for use or occupancy of a Tower Site identified in Schedule 1.6
(except for ground leases, licenses, easements or other agreements with respect
to Rejected Sites) pursuant to which the leasehold interests of Powertel and/or
Sellers in the Leased Sites are derived.

     "Swap Lease Agreement" is defined in Section 3.3.
      --------------------                            

     "Taxes" means all taxes, duties, charges, fees, levies or other assessments
      -----                                                                     
imposed by any taxing authority, whether domestic or foreign, including, without
limitation, income (net, gross or other including recapture of any tax items
such as investment tax credits), capital gains, gross receipts, value-added,
excise, withholding, personal property, real estate, sale, use, ad valorem,
license, lease, service, severance, documentary, stamp, transfer, payroll,
employment, customs, duties, alternative, add-on minimum, estimated and
franchise taxes (including any interest, levies, charges, penalties or additions
attributable to or imposed on or with respect to any such assessment).

     "10 Day Period" is defined in Section 8.1(d).
      -------------                               

     "Termination Notice" is defined in Section 4.2(a).
      ------------------                               

     "Third Party Claim" is defined in Section 8.1(d).
      -----------------                               

     "Tower Equipment Leases" means any existing leases (or licenses or other
      ----------------------                                                 
Contracts) of Powertel or the Sellers for equipment or other personal property
which are Tower Structures.

     "Tower Leases" means the leases or other Contracts or rights to use spaces
      ------------                                                             
on the Tower Structures located on Tower Sites that are identified in Schedule
1.7 (except for leases or other Contracts or rights with respect to Rejected
Sites).

     "Tower Related Assets" shall mean (i) the Tower Leases and security
      --------------------                                              
deposits (if any) from tenants under the Tower Leases, (ii) the Site Leases,
(iii) all Tower Service Contracts, (iv) any Tower Equipment Leases, (v) all
rights to any casualty insurance proceeds payable after the effective date of
this Agreement with regard to the Assets (but only to the extent the casualty to
which the proceeds relate has not been repaired or restored by Powertel and
Sellers at their cost prior to the Closing), and all rights to any warranties
held by Powertel or the Sellers with respect to the Tower Structures or Tower
Related Assets to the extent such rights are assignable, including those
assignable with consent to the extent such consents are received, or, to the
extent not so received, all amounts received by Powertel or the Sellers with
respect to claims made after the Closing Date with respect to such unassigned
rights to any warranties, (vi) copies of, or extracts from, all current files
and records of Powertel or the Sellers to the extent that such files or records
contain information related to the design, construction, management, operation,
maintenance, ownership, occupancy or leasing of the Assets, and (vii) the
originals of the Tower Leases, Site Leases, Tower Service Contracts and Tower
Equipment Leases, and the originals of any files and records referred to in the
preceding 

                                      -9-
<PAGE>
 
subparagraph which relate solely to the information described in such
subparagraph, provided the originals of such information are in the possession
of Powertel or the Sellers or are under any of their control and are not needed
by Powertel or the Sellers in the operation of their businesses after the
Closing. To the extent the files and records described in subparagraph (vi) do
not relate solely to the design, construction, management, operation,
maintenance, ownership, occupancy or leasing of the Assets, Powertel and the
Sellers may retain the originals or copies of such files and records.

     "Tower Service Contracts" means all Contracts with respect to the
      -----------------------                                         
management, operation, maintenance and servicing of the Tower Structures.

     "Tower Sites" shall mean all real property interests of Powertel and/or the
      -----------                                                               
Sellers in the up to 650 sites on or appurtenant to which the Tower Structures
(excluding any Rejected Sites) are located, including all fee, ground leasehold
interests, rights-of-way and easements (to the extent owned by Powertel or the
Sellers) pertaining to such tower sites, and shall include a fee ownership in
the Owned Sites, and the leasehold interest in and to the real property
associated with the Leased Sites pursuant to the terms of the Site Leases.

     "Tower Structures" shall mean communications tower structures situated at
      ----------------                                                        
the locations that are identified in Schedule 1.8 (excluding any Rejected
Sites), and owned by Powertel or the Sellers, and all of Powertel's and the
Sellers' right, title and interest therein or appurtenant thereto, including
rights to all power poles; equipment or other foundations (if any) that are not
used or occupied by Powertel or the Sellers; equipment platforms (if any) that
are not in use and that are located on towers at heights other than the heights
at which Powertel's and the Sellers' antennae or other equipment are located;
attached tower lighting equipment; alarm systems; grounding systems; and
physical improvements on each Tower Site, including without limitation fencing;
along with any tenant leases, easement rights necessary for access to the Tower
Structure and for location of the Tower Structure and guy wires, if any,
associated therewith; provided however, such term does not include any Excluded
Assets or any equipment, property or other assets placed upon the Tower
Structures or Tower Sites by third parties pursuant to Tower Leases or other
Contracts.

     "Transaction Documents" means, collectively, this Agreement, the Master
      ---------------------                                                 
Lease, the CCIC Guaranty, the Powertel Guaranty and the Escrow Agreement.

     "Unavoidable Delay" means an act of God, fire, earthquake, flood,
      -----------------                                               
explosion, action of the elements, war, invasion, insurrection, riot, mob
violence, sabotage, inability to procure or a general shortage of labor,
equipment, facilities, materials, or supplies in the open market, failure of
transportation, strike, lockout, action of labor unions, a taking by eminent
domain, requisition, laws, orders of government or courts, or civil or military
or naval authorities, or any other cause whether similar or dissimilar to the
foregoing, not within the reasonable control of Powertel or Sellers, including
delays caused by CCIC or Buyer and reasonable delays for adjustments of
insurance.

                                   ARTICLE 2

                                      -10-
<PAGE>
 
            PURCHASE AND SALE OF ASSETS; ASSUMPTION OF LIABILITIES

     2.1  Assets.    Subject to the terms and conditions of this Agreement,
          ------                                                           
Powertel and each of the Sellers shall grant, convey, sell, assign, transfer and
deliver to Buyer on the Closing Date, and Buyer shall purchase on the Closing
Date from Powertel and each of the Sellers, all right, title and interest of
Powertel or the respective Seller in and to all of the assets, properties and
rights of Powertel or the respective Seller specifically set forth below in this
Section 2.1 (collectively the "Assets"), subject to the Permitted Encumbrances:
                               ------                                          

          (1)  all Tower Structures;

          (2) all of Powertel's and the respective Seller's rights to all Tower
Sites;

          (3)  all Tower Related Assets; and

          (4) all rights under any Governmental Permits (excluding FCC licenses)
held with respect to the ownership or use of the Tower Structures or Tower
Sites, except to the extent such Governmental Permits are not transferrable to
the Buyer and to the extent (and only to the extent) any such Governmental
Permits are needed by Powertel or the Sellers in the operation of their
businesses.

     2.2  Excluded Assets.    All assets of Powertel, Sellers and their
          ---------------                                              
respective Affiliates not set forth in Section 2.1 shall be excluded from the
Assets and retained by Powertel, Sellers and their respective Affiliates,
including, without limitation, the following (collectively, "Excluded Assets"):
                                                             ---------------   

          (1) all equipment foundations used or occupied by Powertel or the
Sellers; existing equipment cabinets, shelters and buildings used or occupied by
Powertel or the Sellers; mounting platforms used or occupied by Powertel or the
Sellers; wiring; coaxial cabling; conduits; microwave dishes and other transport
related equipment and housings; cable; equipment generators; fuel tanks;
electrical panels; the single power pole at each Tower Site that serves as the
point of demarcation between Powertel and/or Sellers and the utility service
provider; the utility service entrance equipment (including conduits and wiring)
connecting such power pole to any of Powertel's and/or the Sellers' equipment;
power protection and connection boxes; antennas and antenna connection boxes;
communications and other radio equipment and amplifiers; waveguides and ice
bridges;

          (2) all of Powertel's, the Sellers' and their respective Affiliates'
right, title and interest, whether now owned or hereafter acquired, in and to
all equipment purchased with advances under the Amended and Restated Credit
Agreement dated as of February 6, 1998 among Powertel PCS, Inc., as borrower,
the banks and other financial institutions listed on the signature pages thereof
as initial lenders, and GE Capital, as agent (the "Powertel PCS Credit
                                                   -------------------
Agreement"), in all of its 
- ---------

                                      -11-
<PAGE>
 
forms, wherever located, now or hereafter existing, and all fixtures and all
parts thereof and all accessions thereto and all proceeds thereof (including,
without limitation, proceeds that constitute property of the types described in
the foregoing) and, to the extent not otherwise included, all payments under
insurance, or any indemnity, warranty or guaranty, payable by reason of loss or
damage to or otherwise with respect to any of the foregoing;

          (3) the rights that accrue or will accrue to Powertel and the Sellers
under this Agreement or any of the other Transaction Documents, including the
consideration paid or to be paid to Powertel and the Sellers hereunder and all
accounts receivable, including rents and other amounts under the Tower Leases,
which accrue or are prorated prior to the Closing Date;

          (4) any claims or rights against third parties except to the extent
that such claims or rights relate to Assumed Liabilities; and

          (5) all assets, properties and rights related to Rejected Sites.

     2.3  Assumption of Certain Liabilities; Retained Liabilities.
          ------------------------------------------------------- 

          (1) Assumption of Assumed Liabilities.  Subject to Section 2.3(b), as
              ---------------------------------                                
of the Closing Date, Buyer shall acquire the Assets subject only to, and Buyer
and CCIC shall undertake, assume, perform and otherwise pay, satisfy and
discharge, and on the terms set forth in Article 8 hold Powertel and the Sellers
harmless from, the following Liabilities (collectively, the "Assumed 
                                                             -------
Liabilities"):
- -----------

               (1) all Liabilities of Powertel or the Sellers under all
     Contracts included within the Assets (including the Site Leases, Tower
     Leases, Tower Equipment Leases and Tower Service Contracts), but only to
     the extent such Liabilities accrue or relate to the period from and after
     the Closing Date;

               (2) the rents, revenues, Taxes, charges and payments that are
     apportioned for the account of Buyer pursuant to Section 2.7 hereof; and

               (3) all Liabilities of Powertel or the Sellers, whenever and
     however incurred or accrued, which arise in connection with the ownership,
     lease, use or occupancy of or under the Assets from and after the Closing,
     except for the Retained Liabilities and except as may be limited pursuant
     to the foregoing provisions of this Section 2.3(a).

Notwithstanding the assumption of the Assumed Liabilities as set forth above,
nothing herein shall be deemed or construed to relieve Powertel or the Sellers,
or to be an assumption by CCIC and Buyer, of any Liability arising from any
event, condition, occurrence or other matter which is the subject of a breach or
Default by Powertel or the Sellers of a representation, warranty or covenant
contained in this Agreement or in any Contract.

                                      -12-
<PAGE>
 
          (2) Limitations on Assumption of Liabilities.  Notwithstanding Section
              ----------------------------------------                          
2.3(a), CCIC and Buyer are not assuming under this Agreement or any Transaction
Document any Liabilities that are not specifically described in Section 2.3(a)
as an Assumed Liability (each, a "Retained Liability").  On the terms set forth
                                  ------------------                           
in Article 8, Powertel and Sellers shall hold CCIC and Buyer harmless from the
Retained Liabilities.  By way of example and not limitation, each of the
following represents a Retained Liability: (i) any Liabilities arising out of
any actual or alleged breach or nonperformance by Powertel or any of the Sellers
(or their respective Affiliates) prior to the Closing of any provision of any
Contract; (ii) any product liability or similar claim for injury to any Person
or property, regardless of when made or asserted, that arises out of or is based
upon any express or implied representation, warranty, agreement or guarantee
made by Powertel or any of the Sellers (or their respective Affiliates), or
alleged to have been made by Powertel or any of the Sellers (or their respective
Affiliates), or which is imposed or asserted to be imposed by operation of Law
in connection with any service performed or product sold or leased by or on
behalf of Powertel or any of the Sellers (or their respective Affiliates) prior
to the Closing; (iii) any federal, state, local or foreign income or other Tax
payable with respect to the Assets or other properties or operations of Powertel
or Sellers or any member of any affiliated group of which Powertel or Sellers
are a member for any period, in each case prior to the Closing; (iv) any
Liabilities arising prior to, after or as a result of the Closing to or with
respect to any employees, agents or independent contractors of Powertel or any
of the Sellers or their respective Affiliates or commitments to any of their
respective Affiliates; (v) any Liabilities of Powertel or any of the Sellers
arising from or incurred in connection with the preparation, negotiation,
execution and performance of this Agreement or the other Transaction Documents
except as otherwise provided herein and therein; (vi) any Liabilities, whether
known or unknown, arising from or related to (A) any violation by Powertel, the
Sellers or their respective Affiliates prior to the Closing of any Environmental
Laws relating to the ownership, use or occupancy of the Assets, or (B) any
Environmental Condition existing prior to the Closing which Powertel, the
Sellers or their respective Affiliates caused, (vii) any Liabilities caused by
or attributable to the ownership, possession, occupancy, use or operation of the
Assets by Powertel or any of the Sellers (or their respective Affiliates) prior
to the Closing, (viii) the rents, revenues, Taxes, charges and payments that are
apportioned for the account of Powertel or Sellers pursuant to Section 2.7
hereof, (ix) any free or below market wireless or related phone services
required by any Contracts to be provided to any Person, including the lessors
under any Site Leases, whether such obligation accrues before or after the
Closing, (x) any Liability arising out of the matters disclosed on Schedule
6.1(d) or any Liability of Powertel or the Sellers (or their respective
Affiliates) arising out of any Litigation that is pending or threatened in
writing to Powertel or the Sellers as of the Closing Date or any actual or
alleged violation by Powertel or any of the Sellers (or their respective
Affiliates) of any applicable Law prior to the Closing, (xi) any Liability of
Powertel or the Sellers (or their respective Affiliates) that relates primarily
to, or that arises primarily out of, any Excluded Asset, or that arises out of
the ownership by Powertel, the Sellers or their respective Affiliates of the
Excluded Assets or realization of the benefits of any Excluded Asset, and (xii)
all other obligations or liabilities of Powertel or any of the Sellers, or any
of their respective Affiliates, of any nature whatsoever (whether express or
implied, fixed or contingent, known or unknown) other than the Assumed
Liabilities.

                                      -13-
<PAGE>
 
     2.4  Assignment or Subcontracting of Purchased Contracts.    Buyer has
          ---------------------------------------------------              
undertaken to furnish Powertel and Sellers with a listing, attached to this
Agreement as Schedule 2.4 and made a part hereof by this reference, of all of
the third party consents it reasonably believes are necessary and desirable in
connection with the transfer and assignment of Contracts, including Site Leases,
Tower Equipment Leases, Tower Leases and Tower Service Contracts (each a
"Required Consent").  Nothing herein shall be deemed to constitute a warranty or
- -----------------                                                               
representation on the part of Powertel or Sellers that other third party
consents are not necessary or desirable in connection with the transfer and
assignment of such Assets, and failure to obtain a Required Consent (or other
third party consent) shall not constitute a Default under this Agreement or a
failure of a condition precedent to the Closing.  Powertel and Sellers will use
commercially reasonable efforts to obtain the Required Consents prior to the
Closing Date.  To the extent that any such Required Consent is not obtained,
Powertel and Sellers will subcontract to Buyer the performance of all
obligations and the right to receive all benefits thereunder.  To the extent the
consent of the counterparty to such subcontracting is required under the terms
of any such Contract, Powertel and Sellers will use commercially reasonable
efforts to obtain such consent; and Powertel and Sellers will only subcontract
as described in the immediately preceding sentence in those cases, if any, in
which subcontracting is permitted by the Contract or applicable Law.  If (and
only if) such Contract is a Site Lease or Tower Lease, then the failure to
obtain a Required Consent with respect to such Contract prior to May 15, 1999
shall be deemed to be a Defect and the Tower Site in question shall be deemed to
be a Defective Site, and such Defect and Defective Site shall be governed by the
applicable provisions of Sections 2.10 and 2.11.

     2.5  Consent of Third Parties.    Nothing in this Agreement shall be
          ------------------------                                       
construed as an attempt by Powertel and Sellers to assign to Buyer pursuant to
this Agreement any Contract, Governmental Permit, franchise, claim or asset
included in the Assets that is by its terms or by Law nonassignable without the
consent of any other party or parties, unless such consent or approval shall
have been given, or as to which all the remedies for the enforcement thereof
available to Powertel and Sellers would not by Law pass to Buyer as an incident
of the assignments provided for by this Agreement (a "Non-Assignable Contract").
                                                      -----------------------
To the extent that any consent in respect of, or a novation of, a Non-Assignable
Contract has not been obtained, Powertel and Sellers shall continue to use
commercially reasonable efforts to obtain any such consent or novation until
such time as it shall have been obtained (but in no event longer than 180 days
following the Closing), and Powertel and Sellers shall use commercially
reasonable efforts to cooperate with Buyer to provide that Buyer shall receive
the interest of Powertel and Sellers in the benefits under such Non-Assignable
Contract, including performance by Powertel and Sellers as agent if commercially
reasonable, provided that Buyer shall undertake to pay or satisfy the
corresponding Liabilities under the terms of such Non-Assignable Contract to the
extent that Buyer would have been responsible therefor if such consent or
approval had been obtained.

     2.6  Bulk Transfer Laws.    CCIC and Buyer hereby waive compliance by
          ------------------                                              
Powertel and the Sellers with the provisions of any and all Laws relating to

                                      -14-
<PAGE>
 
bulk transfer in connection with the sale of the Assets.  Powertel and Sellers
shall indemnify CCIC and Buyer from and against any and all Liabilities
(including reasonable attorneys' fees) arising out of noncompliance with such
bulk transfer Laws.

     2.7  Certain Apportionments.    Notwithstanding any provision to the
          ----------------------                                         
contrary in this Section 2.7 or elsewhere in this Agreement, at the Closing the
following items shall be apportioned between Powertel and the Sellers, on the
one hand, and CCIC and Buyer, on the other hand, with such adjustments to be
made as of the Closing Date by the party that on a net basis owes money to the
other party under this Section 2.7 by wire transfer of immediately available
funds to such accounts as such other party shall specify in writing: (a) rents
and revenues under all Contracts included in the Assets; (b) Prepaid Expenses;
(c) federal, state, local or foreign Taxes (other than income taxes) paid or
payable with respect to the Assets; and (d) charges and payments under all
Contracts included in the Assets.  Such apportionments shall be made pro rata on
a per diem basis as of the Closing Date so that all such rents, revenues, Taxes,
charges and payments attributable to the period prior to the Closing Date are
for the account of Powertel and Sellers; and all such rents, revenues, Taxes,
charges and payments attributable to the period from and after the Closing Date
are for the account of Buyer.  If any of the aforesaid apportionments cannot be
calculated accurately on the Closing Date, then the same shall be calculated and
adjusted once by Powertel, Sellers, CCIC and Buyer after the Closing Date in
accordance with the following procedures.  Within five business days after the
last day of the third full calendar month following the Closing Date, Powertel,
Sellers, CCIC and Buyer shall exchange their respective post-Closing
calculations of such apportionments.  Powertel, Sellers, CCIC and Buyer shall in
good faith attempt to agree upon the post-Closing apportionments on or before
the last day of the fourth full calendar month following the Closing Date.  If
at the end of such period, Powertel, Sellers, CCIC and Buyer cannot agree on the
post-Closing apportionments, Powertel, Sellers, CCIC and Buyer shall submit to
an independent accounting firm (the "Accounting Firm") for review and resolution
                                     ---------------                            
any and all matters which remain in dispute.  The Accounting Firm shall be Ernst
& Young LLP or, if such firm is unable or unwilling to act, such other
nationally recognized independent public accounting firm as shall be agreed upon
by Powertel, Sellers, CCIC and Buyer in writing. The Accounting Firm shall be
instructed to, within thirty (30) days after the submission of any disputed
matters, review and resolve all such disputed matters and to report its
resolution thereof to Powertel, Sellers, CCIC and Buyer, and such report shall
be final, binding and conclusive on Powertel, Sellers, CCIC and Buyer with
respect to all such disputed matters.  The fees and expenses of the Accounting
Firm incurred pursuant to this Section 2.7 shall be borne fifty percent (50%) by
Powertel and Sellers on the one hand, and fifty percent (50%) by CCIC and Buyer,
on the other hand.  No other post-Closing apportionments shall be made by the
parties.  Either party owing the other party a sum of money based on the agreed-
upon post-Closing apportionments shall pay said sum to the other party on or
before the last day of the fifth full calendar month following the Closing Date.
If payment of any such amount is not paid when due, interest shall accrue on the
past due amount at a rate equal to the Prime Rate plus two percent (2%) per
annum from the due date to the date of payment.  The aforesaid post-Closing
adjustment shall be the only post-Closing adjustment of the items to be
apportioned under this Section 2.7.  The provisions of this Section 2.7 shall
not 

                                      -15-
<PAGE>
 
affect the obligations of Powertel, Sellers, CCIC and Buyer under this Agreement
with respect to the Retained Liabilities and the Assumed Liabilities,
respectively.

     2.8  Master Site Agreement.    At the Closing, Powertel and Sellers shall
          ---------------------                                               
assign and Buyer shall assume the Master Site Agreements in the form attached
hereto as Exhibit "A" (collectively, the "Master Lease") pursuant to which Buyer
                                          ------------                          
shall lease to certain Affiliates of Powertel and the Sellers space on the Tower
Structures, with the exception of the Gray Hill, Lafayette and Senoia Tower
Sites, and at the Tower Sites.  CCIC shall guarantee the payment and performance
of all of Buyer's obligations under the Master Lease including, without
limitation, all of Buyer's obligations in respect of the Site Leases, and shall
execute upon the Closing, a Guaranty (the "CCIC Guaranty") in the form of
                                           -------------                 
Exhibit "B."  Powertel shall guaranty the payment and performance of all of the
obligations of such Affiliates of Powertel and the Sellers under the Master
Lease, and shall execute upon the Closing, a Guaranty (the "Powertel Guaranty")
                                                            -----------------  
in the form of Exhibit "C."

     2.9  [intentionally deleted]

     2.10  Due Diligence.
           ------------- 

          (1) Set forth on Schedule 1.1 to this Agreement is a list of Accepted
Sites.  As of the effective date of this Agreement, CCIC and Buyer have
completed their due diligence review with respect to the Assets included in and
related to the Accepted Sites and are prepared, subject to the terms and
conditions of this Agreement, to acquire such Assets at Closing subject to the
Permitted Encumbrances.  Set forth on Schedule 1.3 to this Agreement is a list
of Incomplete Sites.  CCIC and Buyer have completed their due diligence review
of such sites in all respects, except that, as indicated on Schedule 1.3,
certain information regarding title and environmental matters has not yet been
provided to or reviewed by Buyer or CCIC (the "Missing Information").  Set forth
                                               -------------------              
on Schedule 1.2 is a list of Defective Sites.  CCIC and Buyer have completed
their due diligence review of such sites in all respects except as indicated on
Schedule 1.2.  Described in reasonable detail on Schedule 1.2 are certain
Defects which CCIC and Buyer have identified with respect to such Defective
Sites.  As of the effective date of this Agreement, such Defects do not include
the failure to obtain Required Consents, but such failure shall be deemed to be
a Defect pursuant to Section 2.4 to the extent Required Consents are not
obtained prior to May 15, 1999.  Schedule 1.2 also includes, with respect to
each such Defect, a description in reasonable detail of the curative action that
CCIC and Buyer recommend Powertel and/or Sellers to take with respect to such
Defect.

          (2) From and after the effective date of this Agreement, Powertel and
Sellers shall use their commercially reasonable efforts to locate all Missing
Information and to provide all Missing Information to CCIC and Buyer.  With
respect to each Incomplete Site, Powertel and Sellers shall provide CCIC and
Buyer with written notice when, in Powertel's and Sellers' good faith belief,
Powertel and Sellers have provided all Missing Information to CCIC and Buyer
with respect to each such Incomplete Site (a "Completion Notice").  CCIC and
                                              -----------------             
Buyer shall use commercially 

                                      -16-
<PAGE>
 
reasonable efforts to complete their due diligence investigation with respect to
Missing Information as soon as reasonably practicable following the receipt of
such information.

          (3) Following the receipt and review by CCIC and Buyer of Missing
Information with respect to each Incomplete Site, but in all events within 15
days of receipt of a Completion Notice with respect to an Incomplete Site, CCIC
and Buyer shall:  (i) provide Powertel and Sellers with written notice that CCIC
and Buyer have satisfactorily completed their due diligence investigation with
respect to such Incomplete Site and are prepared, subject to the terms and
conditions of this Agreement, to acquire such Assets at Closing subject to the
Permitted Encumbrances, in which case such Incomplete Site shall be and become
an Accepted Site, and such site shall be deemed to be removed from Schedule 1.3
and placed on Schedule 1.1; (ii) provide Powertel and Sellers with written
notice (A) that states that CCIC and Buyer have determined in good faith that
the Missing Information is incomplete in a material way for the purpose of CCIC
and Buyer satisfactorily completing their due diligence investigation and (B)
that describes in reasonable detail the manner in which the Missing Information
remains incomplete, in which event the incomplete information shall continue to
constitute Missing Information; or (iii) if, and only if, such Missing
Information reveals a Defect in the reasonable opinion of CCIC and Buyer, such
Incomplete Site shall be a Defective Site, and such site shall be deemed to be
removed from Schedule 1.3 and added to Schedule 1.2 and the provisions of
Section 2.10(d) shall apply; provided, however, that Powertel and Sellers shall
have the right to dispute in good faith whether a problem or defect constitutes
a Defect (as defined herein) and to invoke the procedures described in Section
10.2 of this Agreement.  (For purposes of this subparagraph (c), a Defect may
only include (1) a Defect of the nature and type set out in Schedule 1.2, or (2)
an Encumbrance which is not a Permitted Encumbrance and (x) would not reasonably
be expected to result in a Material Adverse Effect or (y) was not created or
incurred by Powertel, any of the Sellers or their respective Affiliates.)  CCIC
and Buyer shall be precluded from designating any Accepted Site as either an
Incomplete Site or Defective Site, except pursuant to Section 2.4 and Section
2.11(c) and may only designate any Incomplete Site as a Defective Site based
upon their review of Missing Information or upon notice from Powertel and
Sellers that such Missing Information does not exist or is not in the possession
or custody of Powertel or the Sellers and, therefore, cannot be delivered.

          (4) Powertel and Sellers shall have the right, prior to the date of
Closing, to cure Defects that exist with respect to the Defective Sites.
Powertel and Sellers shall provide CCIC and Buyer with notice of any cure
effected with respect to a Defective Site (a "Cure Notice"), and shall request
                                              -----------                     
CCIC's and Buyer's consent to remove such Defective Site from Schedule 1.2 to
Schedule 1.1.  The Cure Notice shall describe in reasonable detail the cure
which Powertel and the Sellers reasonably believe in good faith should cause the
Defective Site to be removed from Schedule 1.2, and shall include a copy of any
instrument, document or other writing which evidences the curative action taken.
Within 15 days of receipt of a Cure Notice with respect to a Defective Site,
CCIC and Buyer shall:  (i) provide Powertel with written notice that CCIC and
Buyer have satisfactorily completed their due diligence investigation of the
curative action taken with respect to such Defective Site and are prepared,
subject to the terms and conditions of this Agreement, to acquire such Assets at
Closing subject to the Permitted Encumbrances, in which case such Defective Site
shall be and become an Accepted Site, and such site shall be deemed to be
removed from Schedule 

                                      -17-
<PAGE>
 
1.2 and placed on Schedule 1.1; or (ii) provide Powertel with written notice (A)
that states that CCIC and Buyer have determined in good faith that the curative
action taken is incomplete in a material way for the purpose of curing the
Defect in question and (B) that describes in reasonable detail the manner in
which the Defect remains uncured and describes the curative action that would
cure such Defect, in which event the Defect shall continue as such and the site
in question shall remain a Defective Site. A Defect that exists solely by reason
of a Required Consent that needs to be obtained shall be deemed to have been
cured by Powertel or Sellers obtaining such Required Consent prior to Closing or
by entering into a subcontracting or similar arrangement pursuant to Section
2.4. Other Defects set forth on Schedule 1.2 shall be deemed to have been cured
by Powertel or Sellers completing the curative actions set forth on Schedule
1.2; provided, however, that CCIC and Buyer shall not unreasonably withhold
their consent to removing a Defective Site from Schedule 1.2 upon Powertel or
Sellers effecting any other reasonable cure to or of such Defect.

     2.11  Rejected Sites.
           -------------- 

          (1) At least 15 days prior to Closing, CCIC and Buyer shall provide
notice to Powertel and Sellers as to whether Buyer desires to purchase any
Assets that are Defective Sites or Incomplete Sites; any such sites which Buyer
desires to purchase shall be deemed to be Accepted Sites and shall be deemed to
be removed from Schedule 1.2 or 1.3, as the case may be, and added to Schedule
1.1, and the Closing Certificate may be modified by Powertel and Sellers to
qualify or omit the representations and warranties of Powertel and the Sellers
with respect to the applicable Defect with no adjustment to the Purchase Price.
Such sites shall be transferred and conveyed at the Closing subject to both the
Defect and the Permitted Encumbrances.  (Notwithstanding any notice to Powertel
and Sellers that Buyer desires to purchase any Assets that are Defective Sites
or Incomplete Sites, for a period of five days after its receipt of such notice,
Powertel and Sellers shall have the right to notify CCIC and Buyer that they
have elected to not sell a site (i) which contains, or which Powertel and
Sellers reasonably believe may contain, an Environmental Condition that Powertel
and Sellers desire to correct at their cost, or (ii) in the case of a failure to
obtain a Required Consent or other material consent or otherwise if in
Powertel's and Sellers' reasonable judgment such Defect would adversely affect
under the Master Lease Powertel's or Sellers' use, occupancy or operation of the
Defective Site in any material way; any such site not sold shall be deemed to be
a Rejected Site.  CCIC and Buyer shall have the right to dispute in good faith
an election by Powertel and Sellers to not sell a site for one of such reasons
and to invoke the procedures described in Section 10.2 of this Agreement.)

          (2) Immediately prior to Closing, all Defective Sites and Incomplete
Sites which are not being sold to Buyer pursuant to Section 2.11(a) shall be
designated as rejected sites (the "Rejected Sites") and shall be removed from
                                   --------------                            
Schedules 1.2 and 1.3 and placed on Schedule 2.11, and the Purchase Price shall
be adjusted as provided in Section 3.2.

          (3) At least 15 days prior to the Closing Date, Powertel and Sellers
shall deliver to CCIC and Buyer, a list of those Assets (identified by Tower
Site) set forth on Schedules 1.1, 1.2 or 1.3 with respect to which Powertel and
Sellers are unable to make one or more of the 

                                      -18-
<PAGE>
 
representations and warranties set forth in Section 6.2 or are unable to obtain
a Required Consent. Such notice shall identify (i) such Assets, (ii) the
representations and warranties which cannot be given (identified by reference to
the appropriate subsection of this Agreement) or that a Required Consent cannot
be obtained, and (iii) the specific circumstance ("Circumstance") which, in the
opinion of Powertel and Sellers, prevents them from making such representations
and warranties. With respect to the Assets (identified by Tower Site) identified
in such notice, CCIC and Buyer shall have the right to either (A) designate each
such Asset (identified by Tower Site) to be a Rejected Site and adjust the
Purchase Price as provided in Section 3.2, or (B) acquire such Asset at the
Closing without an adjustment to the Purchase Price, in which event all such
sites shall be deemed to be Accepted Sites and shall be deemed to be removed
from Schedule 1.2 or 1.3, if applicable, and added to Schedule 1.1, and the
Closing Certificate may be modified by Powertel and Sellers to qualify or omit
the representations and warranties with respect to such Assets based upon the
Circumstance applicable to such Asset. (Notwithstanding any notice to Powertel
and Sellers that Buyer desires to purchase any Assets for which a Circumstance
prevents Powertel and Sellers from making certain representations and
warranties, for a period of five days after its receipt of such notice, Powertel
and Sellers shall have the right to notify CCIC and Buyer that they have elected
to not sell a site which is the subject of one of the following Circumstances,
in the event (i) the site contains, or Powertel and Sellers reasonably believe
it may contain, an Environmental Condition that Powertel and Sellers desire to
correct at their cost, or (ii) in the case of a failure to obtain a Required
Consent or other material consent or otherwise if in Powertel's and Sellers'
reasonable judgment such Defect would adversely affect under the Master Lease
Powertel's or Sellers' use, occupancy or operation of the site in any material
way; any such site not sold shall be deemed to be a Rejected Site. CCIC and
Buyer shall have the right to dispute in good faith an election by Powertel and
Sellers to not sell a site for one of such reasons and to invoke the procedures
described in Section 10.2 of this Agreement.) Other than as set forth in this
Section 2.11(c), no Accepted Site may become a Rejected Site pursuant to this
Agreement.

     2.12  Additional Sites.
           ---------------- 

          (1) From time to time prior to Closing, but in all events at least 15
days prior to Closing, Powertel and Sellers shall provide notice to CCIC and
Buyer as to whether they desire to sell any Additional Sites. Such notice shall
identify the Additional Sites and shall include due diligence materials with
respect to such site. Within 5 business days of receipt of such notice and due
diligence materials, CCIC and Buyer shall inform Powertel and Sellers in writing
as to whether in their reasonable judgment there are any Defects or Missing
Information which may affect adversely the value, ownership, operation or use of
the Additional Sites by CCIC and Buyer in a material way. Missing Information as
to the Additional Sites shall generally be consistent with, and conform to, the
kinds and materiality of the Missing Information otherwise contained on Schedule
1.3; Defects as to the Additional Sites shall generally be consistent with, and
conform to, the kinds and materiality of the Defects described in the
penultimate sentence of Section 2.10(c). If CCIC and Buyer fail to provide
written notice of any Defects or Missing Information as to any Additional Site
within such 5 business day period, then such Additional Site shall be deemed to
be an Accepted Site and shall accordingly be added to Schedule 1.1; and the
Purchase Price shall be increased by

                                      -19-
<PAGE>
 
$423,077 for each of such additional
Accepted Sites.  In the event that CCIC and Buyer furnish written notice of a
Defect or Missing Information as to any of the Additional Sites, then such
Additional Sites shall be deemed a Defective Site (as to any Site for which a
Defect(s) is identified) or an Incomplete Site (as to any Site for which Missing
Information is indicated) and handled in accordance with Sections 2.10 and 2.11
hereof; provided, however, that Powertel and Sellers shall have the right to
dispute in good faith whether a problem or defect constitutes a Defect (as
defined herein) and to invoke the procedures described in Section 10.2 of this
Agreement.  (Such Additional Sites may become Rejected Sites pursuant to the
provisions of Section 2.11(b).)  CCIC and Buyer acknowledge that Powertel and
Sellers shall have the right, but not the obligation, to include such Additional
Sites for purchase by CCIC and Buyer, but only up to and until the total number
of Tower Sites to be purchased hereunder by CCIC and Buyer shall equal 650 Tower
Sites.  (All In-Progress Sites are also Additional Sites under this Agreement;
accordingly, the provisions of this Agreement (including this Section 2.12(a))
that apply to Additional Sites shall also apply to In-Progress Sites.)

          (2) In the event CCIC and Buyer become obligated as set forth above to
purchase Additional Sites which are In-Progress Sites, CCIC and Buyer shall have
the right at Closing to elect from among the following modes of purchase: (i) to
accept a conveyance of the In-Progress Sites at Closing subject to the
provisions of this Agreement, including Section 2.12(c), but subject also to the
execution of a mutually acceptable form of construction or other agreement
between and among the parties, which agreement includes insurance,
indemnification and other customary provisions which adequately protect CCIC and
Buyer during the completion of construction; (ii) to escrow the portion of the
Purchase Price allocable to the In-Progress Sites with an escrow agent and
pursuant to an escrow agreement mutually acceptable to Powertel and Sellers, on
the one hand, and CCIC and Buyer, on the other hand, with disbursement of such
escrowed amounts to be conditioned upon timely completion of the Construction
Activities and the conveyance, free and clear of any Encumbrance other than
Permitted Encumbrances, of the In-Progress Sites with completed Tower Structures
built thereon; or (iii) to enter into an agreement mutually acceptable to
Powertel and Sellers, on the one hand, and CCIC and Buyer, on the other hand,
providing for a separate Closing to occur upon timely completion of the
Construction Activities.  (For purposes of this Section 2.12(b), the term
"Permitted Encumbrances" shall not include liens, encumbrances or other matters
                         -----------------                                     
affecting title to the In-Progress Sites, which with the exercise by CCIC and
Buyer of reasonable diligence would be disclosed by: (1) an examination of a
current title commitment, search or report or the examination of public records,
or (2) a current, accurate as-built boundary survey, but with regard to the
foregoing matters shall only refer to those matters disclosed by: (x) the title
commitment, search or report actually delivered by Powertel and Sellers to CCIC
and Buyer for review, and (y) the actual survey delivered by Powertel and
Sellers to CCIC and Buyer for review.)

          (3) In the event (and only in the event) that CCIC and Buyer elect to
accept a conveyance of an In-Progress Site at Closing and thereby forego the
escrow and deferred closing alternatives described above, then beginning on the
Closing Date and until such time as both the In-Progress Site is completed and
delivered to CCIC and Buyer as completed and the Initial SLA Term (as defined in
the Master Lease) commences, Powertel and/or Sellers shall be obligated pursuant
to the Master Lease to pay to CCIC and Buyer monthly rent at a rate of $1800.00
per month or the appropriate pro-rated portion thereof for any partial months.

                                      -20-
<PAGE>
 
          (4) Powertel and/or Sellers shall perform or cause to be performed all
Construction Activities for such In-Progress Sites and shall use commercially
reasonable efforts to deliver a completed Tower Structure no later than 120 days
after the Closing Date subject to Unavoidable Delays; provided, however, that
Unavoidable Delays shall not cause delivery of such Tower Structure to be
delayed beyond 180 days after the Closing Date. Upon completion of the
Construction Activities, Powertel or Sellers shall obtain and deliver to CCIC or
Buyer all Governmental Permits necessary for the ownership, use or occupancy of
the Tower Structure (except FCC licenses, and except to the extent and only to
the extent such Governmental Permits are needed by Powertel or the Sellers in
the operation of their businesses).  In addition, upon completion of the
Construction Activities, the parties shall enter into a Site Lease Agreement (as
defined in the Master Lease) but which shall provide that the Initial SLA Term
shall commence upon the 31st day following the last to occur of the following:
conveyance of the In-Progress Site to Buyer and the completion and delivery of
the Tower Structure to Buyer.  Upon the commencement of the Initial SLA Term,
the parties shall enter into a written commencement of term agreement in
recordable form which shall incorporate and refer to the Master Lease and the
Site Lease Agreement and which either party may file of record as an
acknowledgment of the date on which the Initial SLA Term shall be deemed or
stipulated to have commenced and the date on which it (and renewal terms) shall
expire.

          (5) In the event Powertel and/or Sellers fail to complete construction
of an In-Progress Site within the 120-day period set forth above in Section
2.12(d), as such period may be extended for any Unavoidable Delays, then CCIC
and Buyer's sole and exclusive remedy shall be to recover from Powertel and/or
Sellers the sum per diem of $500.00 (not to exceed $423,077 in the aggregate)
for each In-Progress Site that is not completed on or before the required
completion date.  Notwithstanding the foregoing, Powertel and/or Sellers shall
be obligated to complete such site and deliver to CCIC and Buyers as soon as
commercially practicable the applicable Assets with respect thereto not
previously conveyed and delivered.

                                   ARTICLE 3

         PURCHASE PRICE, ESCROW DEPOSIT AND PURCHASE PRICE ADJUSTMENTS

     3.1  Purchase Price.
          -------------- 

          (1) The Purchase Price for the Assets shall be an amount equal to
$423,077 multiplied by the number of sites listed on Schedule 1.8 (exclusive of
the Gray Hill site, identified on such Schedule by identification number I-GA-
000-1000), as adjusted pursuant to the provisions of Section 3.2.

                                      -21-
<PAGE>
 
          (2) The Purchase Price shall be paid to Powertel and Sellers at
Closing in immediately available funds by wire transfer pursuant to instructions
provided by Powertel and Sellers.  For purposes of this Agreement, "Closing"
                                                                    ------- 
shall mean the closing of the transactions contemplated hereby.  "Closing Date"
                                                                  ------------ 
shall mean the earlier of: (i) June 4, 1999; or (ii) such earlier date, if any,
as shall be mutually agreeable to the parties after CCIC has completed the sale
of certain securities pursuant to the Proposed Offering (or has otherwise
secured adequate financing) and all other conditions precedent to Closing have
been satisfied.  Notwithstanding the foregoing, with respect to In-Progress
Sites, for purposes of this Agreement, "Closing Date" shall mean the date
Powertel and Sellers' fee or leasehold interest in the In-Progress Sites (and
Assets related thereto) is transferred, assigned, and/or conveyed (whether
directly or out of escrow) by Powertel and Sellers to Buyer; and "Closing" shall
mean the closing with respect thereto, and the closing procedures shall be
governed by the terms and provisions of Article 7.

          (3) As of the effective date of this Agreement, CCIC and Buyer shall
deposit with SunTrust Bank, Atlanta ("Escrow Agent"), in Atlanta Georgia, the
                                      ------------                           
sum of Fifty Million Dollars ($50,000,000) (such sum, together with interest to
accrue thereon and any additional amounts which may be deposited by CCIC and
Buyer pursuant to Section 4.2(a), being the "Escrow Deposit") in cash to be held
                                             --------------                     
in escrow by the Escrow Agent in accordance with this Agreement and the Escrow
Agreement.  The Escrow Agent shall hold and invest the Escrow Deposit as
provided in the Escrow Agreement.  Upon the Closing, the Escrow Deposit shall be
delivered by the Escrow Agent to Powertel and Sellers and shall be credited
against the Purchase Price, with any balance thereof delivered to CCIC and
Buyer.  If the Closing contemplated by this Agreement does not occur, the Escrow
Deposit shall be delivered by the Escrow Agent as provided in this Agreement and
the Escrow Agreement.

     3.2  Pre-Closing Adjustments to Purchase Price.
          ----------------------------------------- 

          (1) At the Closing, for each Rejected Site, the Purchase Price for the
Assets shall be reduced by an amount equal to $423,077, and for each Additional
Site (that does not become a Rejected Site), the Purchase Price shall be
increased by an amount equal to $423,077.

          (2) CCIC and Buyer acknowledge that a number of the Site Leases
contain provisions whereby the lessors thereunder may have a right to share in
certain revenues received by the lessees thereunder in connection with Tower
Leases ("Revenue Sharing Site Leases").  With respect to such Revenue Sharing
         ---------------------------                                         
Site Leases, Powertel and Sellers shall pay to CCIC and Buyer, at Closing, as a
credit against the Purchase Price the sum of Three Hundred Eighty-Three Thousand
and No/100 Dollars ($383,000.00).  Such payment shall constitute additional
consideration and compensation for the acceptance by CCIC and Buyer of the sites
affected by such Revenue Sharing Site Leases without requiring additional
reimbursement in any amount from Powertel and Sellers for any revenue sharing
payments by CCIC or Buyer to the lessors thereunder.

                                      -22-
<PAGE>
 
     3.3  Post-Closing Adjustments.    Schedule 3.3 contains a list of certain
          ------------------------                                            
third party leases or licenses covering the Tower Structures which were entered
into by Powertel or Sellers (or their respective Affiliates) as lessors pursuant
to a swap or other arrangement where the monthly rental rate for such agreement
is less than $1,500 per month (each, a "Swap Lease Agreement").  With respect to
                                        --------------------                    
each Swap Lease Agreement covering any of the Tower Structures, on or before the
tenth day of each calendar month from and after the Closing Date until the time
specified in the last sentence of this Section 3.3, Sellers and Powertel shall
pay to Buyer an amount equal to the difference, if any, between (i) the monthly
rent that Buyer would have received under the Swap Lease Agreement if the rents
payable by the third party lessee thereunder were set at rental rates which
would result in an average of $1,500 per month under all of the Tower Leases
existing immediately prior to Closing for no more than a 12-panel antenna array,
and (ii) the monthly rent receivable by Buyer under the Swap Lease Agreement.
To the extent that it is determined that a payment shall be due from Powertel or
Sellers to Buyer under this Section 3.3, the parties shall prepare an amended
Schedule 3.3 as of the Closing Date which shall allocate to each such Swap Lease
Agreement included thereon an equitable portion of the total amount due under
this Section 3.3.  Such amended Schedule 3.3 shall be mutually agreed upon by
the parties hereto.  The payment obligation of Powertel or the applicable Seller
under the preceding sentence with respect to a particular Swap Lease Agreement
shall terminate on the date that the third party lessee no longer has lease
rights under the Swap Lease Agreement with respect to the subject Tower
Structure.

     3.4  Purchase Price Allocation.    The Purchase Price shall be allocated
          -------------------------                                          
among the Assets in accordance with Schedule 3.4.  Such allocation shall be used
for federal income tax reporting purposes pursuant to Section 1060 of the
Internal Revenue Code of 1986, as amended.

     3.5  Escrow Agreement.    On or before March 16, 1999, the parties hereto,
          ----------------                                                     
together with the Escrow Agent, shall execute and deliver the Escrow Agreement
in the form attached hereto as Exhibit "D" (the "Escrow Agreement") pursuant to
                                                 ----------------              
which the Escrow Deposit or portions thereof shall be held, invested and
disbursed.

                                   ARTICLE 4

                          AGREEMENTS PENDING CLOSING

     4.1  Agreements of Powertel and Sellers Pending the Closing.  Powertel
          ------------------------------------------------------             
and Sellers covenant and agree that, pending the Closing, except as otherwise
agreed to in writing by CCIC and Buyer, and except in connection with the
performance of the transactions contemplated hereby:

          (1) Business in the Ordinary Course.  Powertel and Sellers shall
              -------------------------------                             
operate, repair, maintain and service the Assets and the Assumed Liabilities in
the ordinary course consistent 

                                      -23-
<PAGE>
 
with past practice and in compliance in all material respects with all
applicable Laws and Governmental Permits and, to the extent consistent
therewith, use all reasonable efforts to preserve the relationships with
lessors, lessees and others having business dealings with the business of the
Assets, provided that Powertel and Sellers may enter into amendments and
modifications of Site Leases and Tower Leases to the extent authorized by this
Agreement and may enter into new Tower Leases (and term sheets and binding and
non-binding letters of intent regarding Tower Leases) with respect to the Tower
Structures in the ordinary course consistent with past practice, subject,
however, to the provisions of Section 4.1(g). Powertel and Sellers will insure
the Assets and their operations from casualty consistent with past practice.

          (2) Update Schedules.  Subject to the right set out in this Section
              ----------------                                               
4.1(b) to update Schedules, on or before April 30, 1999, Powertel and Sellers
shall deliver to CCIC and Buyer the Schedules which are contemplated by Section
6.2, using commercially reasonable efforts to provide as complete information on
such Schedules as is available to Powertel and Sellers at the time the Schedules
are prepared.  Until the Closing Date, Powertel and Sellers shall from time to
time, as necessary, disclose in writing to CCIC and Buyer any information
contained in their representations and warranties or any of the Schedules hereto
which is incomplete or is no longer correct after the date hereof.  To the
extent any such disclosure necessitates a modification to any Schedule hereto to
make the information provided in such Schedule true and correct, the parties
shall execute an amendment or other writing which evidences the necessary
modification to such Schedule; provided, however, that if such disclosure
constitutes an Encumbrance that does not constitute a Permitted Encumbrance or,
in the reasonable opinion of CCIC and Buyer has or is reasonably likely to have
a Material Adverse Effect, CCIC and Buyer shall have the right to designate in a
modified Schedule, at the time of such modification, that the Tower Site in
question is a Defective Site and such new disclosure which has or is reasonably
likely to have a Material Adverse Effect or which constitutes an Encumbrance
that does not constitute a Permitted Encumbrance is a Defect (but only if and to
the extent such Defect would qualify as such based on the standards required by
the penultimate sentence of Section 2.10(c)), and such Defective Site and Defect
shall be governed by the applicable provisions of Sections 2.10 and 2.11.  Any
disclosures made by Powertel and Sellers in accordance with the provisions of
this Section 4.1(b) shall be deemed to modify, amend or supplement the
representations and warranties of Powertel and Sellers and the Schedules hereto
for the purposes of this Agreement, including without limitation, Article 8
hereof.

          (3)  Conduct of Business  .  Powertel and Sellers shall cooperate with
               -------------------                                              
CCIC and Buyer and use their reasonable efforts to cause all of the conditions
to the obligations of CCIC, Buyer, Powertel and Sellers under this Agreement to
be satisfied on or prior to the Closing Date.

          (4) Sale of Assets.  Without limiting the generality of Section
              --------------                                              
4.1(c) and except for conveyances to Buyer contemplated hereby or interim
conveyances from any Affiliates of Powertel or the Sellers to Powertel or the
Sellers, Powertel and the Sellers shall not, directly or indirectly, sell or
encumber all or any part of the Assets or initiate or participate in any
discussions 

                                      -24-
<PAGE>
 
or negotiations or enter into any agreement to do any of the foregoing.
Notwithstanding the foregoing, but subject to the provisions of Section 4.1(f),
Powertel and Sellers shall have the right to enter into Site Leases, Tower
Leases, term sheets and binding and non-binding letters of intent (or
terminations, modifications, amendments, renewals or extensions of any of the
foregoing) in the ordinary course of business prior to the Closing, subject to
the terms and provisions of this Agreement, including Section 4.1(g).

          (5) Access.  Powertel and Sellers shall give to CCIC's and Buyer's
              ------                                                        
officers, employees, counsel, accountants and other representatives free and
full access to and the right to inspect, during normal business hours, all of
the premises, properties, assets, records, contracts and other documents
relating to the Assets or the Assumed Liabilities and shall permit them to
consult with the officers, employees, accountants, counsel and agents of
Powertel and Sellers for the purpose of making such investigation of the Assets
or the Assumed Liabilities, as CCIC and Buyer shall desire to make, provided
that such investigation shall not unreasonably interfere with the business
operations of Powertel and Sellers.  Furthermore, Powertel and Sellers shall
furnish to CCIC and Buyer or provide CCIC and Buyer access to all such documents
and copies of documents and records and information with respect to the Assets
or the Assumed Liabilities and copies of any working papers relating thereto as
CCIC and Buyer shall from time to time reasonably request and shall permit CCIC
and Buyer and their agents to make such physical inventories and inspections of
the Assets or of Powertel and the Sellers as CCIC and Buyer may reasonably
request from time to time.  Notwithstanding the foregoing provisions of this
Section 4.1(e), Powertel and Sellers shall not be required to provide any such
information to CCIC and Buyer if, in the reasonable determination of the general
counsel of Powertel, access to such information by CCIC and Buyer is prohibited
by the provisions of any confidentiality agreements binding upon Powertel or any
of the Sellers or by applicable Law.

          (60  No Solicitation.  With respect to the Assets, Powertel and 
               --------------- 
Sellers shall not, nor shall any of them authorize or permit any officer,
director or employee of or any investment banker, attorney, accountant or other
representative retained by any of them to: (i) solicit, initiate or encourage
the submission of any "other bid," (ii) enter into any agreement (including,
without limitation, any term sheet or binding or non-binding letter of intent)
with respect to any other bid or (iii) participate in any discussions or
negotiations regarding, or furnish to any person any non-public information with
respect to, or take any other action to facilitate any inquiries or the making
of any proposal that constitutes, or may reasonably be expected to lead to, any
other bid. Without limiting the foregoing, it is understood that any violation
of the restrictions set forth in the preceding sentence by any executive officer
of Powertel or Sellers or any investment banker, attorney or other advisor or
representative of Powertel or Sellers shall be deemed to be a breach of this
Section 4.1(f) by Powertel and Sellers. Powertel and Sellers promptly shall
advise CCIC and Buyer orally and in writing of any other bid or any inquiry with
respect to or which could lead to any other bid and the identity of the person
making any such other bid or inquiry. As used in this Section, "other bid" shall
mean any proposal to acquire in any manner any of the Assets, other than (A) the
transactions with CCIC and Buyer contemplated by this Agreement and (B) any
Excluded Asset.

                                      -25-
<PAGE>
 
          (70  Marketing Agreement.  Powertel and Sellers shall allow CCIC 
               -------------------
and/or Buyer to act as Powertel's and Sellers' sole third party agent for
purposes of marketing for rental to others available space on the Tower Sites
and Tower Structures for the installation, operation and maintenance of wireless
communications antennas and equipment on terms and conditions as may be mutually
agreed upon by all parties, including CCIC and Buyer. Notwithstanding the
foregoing, Powertel and/or Sellers shall have the right to continue to market
all such Tower Sites and Tower Structures on its or their own behalf, provided
that Powertel and Sellers shall provide CCIC and Buyer the right to review and
approve any prospective Tower Lease (or term sheets or binding or non-binding
letters of intent regarding the same); provided, however, such approval by CCIC
and Buyer shall not be unreasonably withheld or delayed. Failure by CCIC and
Buyer to approve any Tower Lease (or term sheets or binding or non-binding
letters of intent regarding the same) proposed by Powertel and/or Sellers within
5 business days after submittal of the terms thereof to CCIC and Buyer shall be
deemed approval. Any Tower Lease entered into by Powertel and/or Sellers in
accordance with this Section 4.1(g) shall, upon such execution, be included in
Schedule 1.7 hereto. Powertel and/or Sellers shall have the right to terminate,
modify, amend, renew or extend Site Leases and Tower Leases in the ordinary
course of business prior to the Closing, provided that Powertel and Sellers
shall provide CCIC and Buyer the right to review and approve any such
prospective action; provided, however, such approval by CCIC and Buyer shall not
be unreasonably withheld or delayed; and provided further that approval by CCIC
and Buyer shall not be required for renewal or extension of any Site Leases or
Tower Leases to the extent deemed reasonably necessary by Powertel or Sellers to
avoid expiration or termination thereof. Failure by CCIC and Buyer to approve
any such prospective action proposed by Powertel and/or Sellers within 5
business days after submittal of the terms thereof to CCIC and Buyer shall be
deemed approval.

          (80  Memoranda of Agreement.  From and after the effective date of 
               ----------------------
this Agreement, Powertel and Sellers shall use commercially reasonable efforts
to obtain and record a memorandum of lease or memorandum of agreement with
respect to each Leased Site for which a Site Lease or memorandum thereof is not
already recorded; such efforts shall continue until the earlier of (i) one year
after the Closing Date or (ii) when all but 30 or fewer Site Leases or memoranda
thereof have been duly recorded.  Each such memorandum (a "MOA") shall be
                                                           ---           
executed by each of the parties to the Site Lease and recorded in the
appropriate records of the county where the Leased Site is located.  A Site
Lease executed in recordable form may be recorded in lieu of recording a MOA.
At the Closing, Powertel, Sellers and Buyer shall execute and record forms of
memoranda of assignment and other mutually acceptable documents evidencing the
assignment, transfer and conveyance of Powertel's and Sellers' interests in the
Site Leases to Buyer; upon the request of Buyer, such memoranda and instruments
may also or alternatively be executed and recorded at the time any MOA may be
recorded subsequent to the Closing Date.

     Powertel and Sellers jointly and severally shall indemnify, defend and hold
and save CCIC and Buyer and their respective officers, directors, employees and
agents harmless from and against any, Loss arising from a Third Party Claim
seeking or threatening judicial or non-judicial foreclosure of an Intervening
Encumbrance; provided, however, that (i) any claim for indemnification hereunder
             -----------------                                                  
must be made by the indemnified party (evidenced by written notice to Powertel
and Sellers) within 

                                      -26-
<PAGE>
 
two years of (A) the Closing Date in the case of each Site Lease or MOA recorded
prior thereto, or (B) the date the Site Lease or MOA is recorded in the case of
recordation taking place after the Closing Date (but in no event later than
three years after the Closing Date), and (ii) Powertel and Sellers shall only be
liable under the provisions of this Section 4.1(h) for an aggregate amount up to
$1,000,000. The provisions of Article 8 of this Agreement shall otherwise apply
and govern claims for indemnification under this Section 4.1(h).

            4.2  Agreements of CCIC and Buyer Pending the Closing.
                 ------------------------------------------------ 

          (10  Commencement of Securities Offering; Evidence of Financing
               ----------------------------------------------------------
Alternative.  On or before March 19, 1999, CCIC shall file a registration
- -----------                                                              
statement (the "Registration Statement") with the Securities and Exchange
                ----------------------                                   
Commission ("SEC") seeking to register at least $225,000,000 of debt and/or
             ---                                                           
equity securities (such amount to be determined by reference to the "Proceeds to
Company" column on the first page of the prospectus that is part of the
Registration Statement).  The registration statement for the offering (the
                                                                          
"Proposed Offering") shall indicate that the Proposed Offering is to be firmly
- ------------------                                                            
underwritten by the managing underwriter (or one of the co-managing
underwriters) of CCIC's initial public offering of common stock, or by another
investment banking firm of national stature and reputation. The Registration
Statement shall indicate that at least $225,000,000 of the proceeds from such
Proposed Offering shall be dedicated to the payment of the Purchase Price.  CCIC
shall use its reasonable best efforts to cause such Registration Statement to be
declared effective by the SEC as expeditiously as possible following filing of
the Registration Statement.

     CCIC shall be required to provide Powertel with a Financing Assurance (as
defined below) within five days (but in no event later than June 4, 1999) of the
occurrence of any of the following:  (i) on March 19, 1999, if CCIC has not
previously filed its Registration Statement on or before such date; (ii) the
Registration Statement, as filed or amended, indicates that less than
$225,000,000 of the proceeds from the Proposed Offering shall be dedicated to
the payment of the Purchase Price; (iii) the date that CCIC withdraws or
abandons the Registration Statement or otherwise determines not to proceed with
the offering contemplated by the Registration Statement; or (iv) on May 15, 1999
if CCIC has not commenced presentations to institutional investors using the
preliminary prospectus that is part of the Registration Statement by such date
or, after commencement of such presentations, the date that either CCIC or the
managing underwriters of the Proposed Offering terminates or abandons such
presentations and does not proceed to the pricing of the Proposed Offering.
CCIC shall promptly provide Powertel with written notice upon the occurrence of
any of the events set out in the preceding sentence.  The term "Financing
                                                                ---------
Assurance" shall mean adequate written assurance, as determined by Powertel and
- ---------                                                                      
the Sellers in their sole but reasonable discretion acting in good faith, of the
existence of at least one alternative financing source which in Powertel's
reasonable judgment provides it adequate assurance that CCIC will have on hand a
minimum of $225,000,000 (not including amounts held in escrow pursuant to this
Agreement) in cash in the aggregate to apply to the Purchase Price at the
Closing.

                                      -27-
<PAGE>
 
     Powertel and Sellers shall have five days after delivery of such Financing
Assurance to, in writing, accept (an "Acceptance") or reject (a "Rejection")
                                      ----------                 ---------  
such Financing Assurance (with such Acceptance or Rejection to be determined in
Powertel and Sellers' sole and reasonable discretion).  Failure by Powertel and
Sellers to timely deliver an Acceptance or Rejection shall be deemed to
constitute their Acceptance of such Financing Assurance.  In the event Powertel
and Sellers timely deliver to CCIC a Rejection of such Financing Assurance, CCIC
shall have ten days from the date of its receipt of the Rejection (but in no
event beyond June 4, 1999) to deliver the additional sum of $225,000,000 to the
Escrow Agent to be held in escrow pursuant to the terms of the Escrow Agreement;
at the Closing, the Escrow Agent shall deliver the Purchase Price (as adjusted
pursuant to the terms of this Agreement) to Powertel and the Sellers, provided
CCIC and Buyer close the transaction contemplated by this Agreement.  In the
event CCIC fails to deliver such additional sum into escrow as provided in the
preceding sentence, Powertel and Sellers shall have the right, by delivery of a
written notice ("Termination Notice") delivered to CCIC and Buyer upon the
                 ------------------                                       
earlier of (i) June 4, 1999 (or the Closing Date, if later); or (ii) within 5
business days following the last day of the ten day period referred to in the
preceding sentence, to terminate this Agreement with no liability to Powertel or
the Sellers.  In the event Powertel and Sellers terminate this Agreement
pursuant to the preceding sentence:  (i) on or prior to May 15, 1999, the Escrow
Agent shall pay $10,000,000 to Powertel and Sellers as liquidated damages
hereunder and not as a penalty; (ii) after May 15, 1999 but before June 4, 1999,
the Escrow Agent shall pay $25,000,000 to Powertel and Sellers as liquidated
damages hereunder and not as a penalty (either payment, an "Early Termination
                                                            -----------------
Payment"); and the balance of the Escrow Deposit shall be delivered by the
- -------                                                                   
Escrow Agent to CCIC and Buyer.  Any such termination of this Agreement and the
right to receive such applicable liquidated damages amount described in the
preceding sentence shall constitute the sole and exclusive remedies of Powertel
and Sellers under this Agreement, notwithstanding any other provision of this
Agreement (including Section 10.1(c)) to the contrary.  If, on June 4, 1999, or
if later, the Closing Date, Powertel and Sellers have fulfilled all of their
obligations and conditions precedent to Closing in all material respects and
have not defaulted or breached their obligations hereunder, and CCIC and Buyer
are unable or unwilling to acquire the Assets upon the terms set forth in this
Agreement, including, without limitation, to make the deliveries set forth in
Section 7.3 and to deliver the Purchase Price (as adjusted pursuant to the terms
of this Agreement), then the Escrow Agent shall pay $50,000,000 of the Escrow
Deposit as liquidated damages to Powertel and Sellers (as provided in Section
10.1(c)).

     Notwithstanding Section 10.10 hereof, all notices to be delivered pursuant
to this Section 4.2(a) shall be in writing and must be given (and shall be
effective upon the date transmitted when given) by facsimile if confirmed within
twenty-four (24) hours thereafter by a signed original sent by nationally
recognized express courier service for next day delivery.

          (20Conduct of Business.  CCIC and Buyer shall cooperate with Powertel
             -------------------                                               
and Sellers and use their reasonable efforts to cause all conditions to the
obligations of CCIC and Buyer under this Agreement to be satisfied on or prior
to the Closing Date.

                                      -28-
<PAGE>
 
          (30  Qualification to do Business.  Prior to the Closing Date, Buyer
               ----------------------------                                   
shall qualify to do business in any jurisdiction where the ownership, use or
occupancy of the Assets would require Buyer to be so qualified, except where the
failure to be so qualified would not reasonably be expected to have a Material
Adverse Effect taken as a whole.

                4.3  Agreements of the Parties Pending Closing.
                     ----------------------------------------- 

          (10  Approvals and Consents and Regulatory Filings.
               --------------------------------------------- 

               (10  Each party hereto agrees to use commercially reasonable
     efforts to comply with all legal requirements which may be imposed on such
     party with respect to the transactions contemplated by this Agreement and
     the Transaction Documents and to obtain all consents, orders and approvals
     of Governmental Authorities that may be or become necessary for the
     consummation of the transactions contemplated by this Agreement and the
     Transaction Documents, and each party will cooperate fully with the other
     parties in promptly seeking to obtain all such authorizations, consents,
     orders and approvals.  Without limitation, if required by applicable Law,
     CCIC, Buyer, Powertel and Sellers shall each use commercially reasonable
     efforts to make an appropriate filing of a Notification and Report Form
     pursuant to the HSR Act no later than twenty (20) days after the date
     hereof and shall promptly respond to any request for additional information
     with respect thereto.  Each such filing shall request early termination of
     the waiting period imposed by the HSR Act.  Each of the parties shall
     furnish to the others such necessary information and reasonable assistance
     as such other party may request in connection with its preparation of any
     filing or submission required under the HSR Act.  The parties shall keep
     each other apprised of the status of any communications with, and any
     inquires or requests for additional information from, the Federal Trade
     Commission and the Department of Justice and shall comply with any such
     inquiry or request.  The parties hereto shall use their reasonable efforts
     to obtain any clearance required under the HSR Act for the consummation of
     the transactions contemplated by this Agreement.  For purposes of this
     Section 4.3(a)(i) reasonable efforts shall not include CCIC's or Buyer's
     agreement to hold separate and divest any of the Assets or CCIC's or
     Buyer's other properties or operations or those of its Affiliates.  In the
     event approval under the HSR Act is conditioned upon CCIC or Buyer or their
     respective Affiliates divesting all or any part of the Assets or other
     properties or operations, CCIC and Buyer shall have the right to terminate
     this Agreement (and receive the return of the Escrow Deposit) by providing
     written notice of such election to Powertel and Sellers.  Should CCIC and
     Buyer terminate the Agreement pursuant to this Section, no party shall have
     any further obligations or commitments under this Agreement.

               (20  Notwithstanding anything else to the contrary contained in
     this Agreement, none of the parties to this Agreement shall have any
     obligation to oppose, challenge or appeal any suit, action or proceeding by
     any Governmental Authority before any court or Governmental Authority,
     agency or tribunal, domestic or foreign or any order or 

                                      -29-
<PAGE>
 
     ruling by any such body (A) seeking to restrain or prohibit or restraining
     or prohibiting the consummation of the transactions contemplated by this
     Agreement and the Transaction Documents, or (B) seeking to compel or
     compelling CCIC, Buyer, Powertel or Sellers, or any of their respective
     Affiliates, to dispose of, grant rights in respect of, or hold separate any
     portion of the business or assets of CCIC, Buyer, Powertel or Sellers or
     any of their respective Affiliates.

          (20  SEC Rules.  In connection with CCIC's Proposed Offering of
               ---------                                                 
securities referred to in Section 4.2, the parties acknowledge that CCIC and/or
Buyer will need to comply with certain SEC rules, including Rule S-X.
Accordingly, Powertel and Sellers agree to provide CCIC's and Buyer's auditors
access to books and records related to such historical operations, and to
provide assistance to such auditors in the completion at CCIC's or Buyer's
expense of their examination and audit, including customary representation
letters as prescribed by the American Institute of Certified Public Accountants
related to the financial statements.  Notwithstanding any provision of this
Agreement to the contrary (including Section 10.17), each party to this
Agreement shall have the right to disclose such information regarding this
Agreement and the transactions contemplated hereby as may be required by
applicable Law, including federal securities law and stock exchange rules;
provided, however, that Powertel shall have the right to review and approve of
any disclosure regarding Powertel or the transaction contemplated hereby at
least one business day prior to the filing of any documents with the SEC or the
distribution of offering materials to private investors (such approval not to be
unreasonably withheld).

          (30  Press Releases.  At the time this Agreement is executed by the
               --------------                                                
parties, or immediately thereafter, notice to third parties of the transactions
contemplated by this Agreement shall be given to the public pursuant to a
mutually agreeable form of press release.

                                   ARTICLE 5

                      CONDITIONS PRECEDENT TO THE CLOSING

     5.1  Conditions Precedent to the Obligations of CCIC and Buyer.    All
          ---------------------------------------------------------        
obligations of CCIC and Buyer under this Agreement are subject to the
fulfillment or satisfaction, prior to or at the Closing, of each of the
following conditions precedent:

          (10  Representations and Warranties True as of the Closing Date.  The
               ----------------------------------------------------------      
representations and warranties of Powertel and/or Sellers contained in this
Agreement or in any Schedule, certificate or document delivered by Powertel or
Sellers to Buyer pursuant to the provisions hereof shall have been true in all
material respects on the date hereof to the extent required by the terms hereof
and shall be true in all material respects on the Closing Date with the same
effect as though such representations and warranties were made as of such date,
in each case taking into account any Schedule updates after the date hereof
contemplated by Section 4.1(b).

                                      -30-
<PAGE>
 
          (20  Compliance with this Agreement.  Powertel and Sellers shall have
               ------------------------------                                  
performed and complied in all material respects with all agreements and
conditions required by this Agreement to be performed or complied with by them
prior to or at the Closing, except for non-performances or non-compliances which
result in an adjustment pursuant to Section 3.2 hereof.

          (30  Closing Certificates.  CCIC and Buyer shall have received the
               --------------------                                         
Closing Certificate, and other certificates from Powertel and Sellers dated the
Closing Date certifying in such detail as CCIC and Buyer may reasonably request
that the conditions specified in Sections 5.1(a) and (b) hereof have been
fulfilled.

          (40  No Threatened or Pending Litigation.  On the Closing Date, no 
               -----------------------------------
suit, action or other proceeding, or injunction or final judgment relating
thereto, shall be threatened in writing or be pending before any court or
governmental or regulatory official, body or authority in which a Person (other
than a party hereto or their respective Affiliates) seeks to restrain, enjoin or
prohibit the closing of the transactions contemplated hereby or otherwise seeks
to obtain damages or other relief as a result of or in respect of the
transactions contemplated hereby.

          (50  Consents and Approvals.  The waiting period required under the 
               ----------------------
HSR Act for the transactions contemplated hereby shall have expired or been
terminated; and each governmental, judicial or regulatory official, body or
authority having jurisdiction over the parties hereto to the extent that their
consent or approval is required or necessary under applicable Court Orders or
Laws for the consummation of the transactions contemplated hereby in the manner
herein provided, shall have granted such consent or approval.

          (60  Material Adverse Changes.  No Event shall have occurred which has
               ------------------------                                         
or had a Material Adverse Effect taken as a whole on the Assets or the Assumed
Liabilities.

If one or more of the foregoing conditions precedent is not fulfilled or
satisfied prior to or at the Closing, provided CCIC and Buyer have not otherwise
defaulted in or breached their obligations under this Agreement and have
fulfilled their obligations and conditions precedent to Closing in all material
respects, then CCIC and Buyer shall have the right to (i) proceed to Closing, in
which case the unfulfilled or unsatisfied condition precedent shall be waived or
deemed waived by CCIC and Buyer, (ii) terminate this Agreement, in which event
(except as provided in the next subparagraph) this Agreement shall be null and
void and of no further force or effect (except for Sections 6.1(i), 6.3(d),
4.3(c), 10.5 and 10.17 which shall continue) and the Escrow Deposit shall be
returned to CCIC and Buyer, or (iii) exercise any other rights or remedies
otherwise set out in this Agreement.

     5.2  Conditions Precedent to the Obligations of Powertel and Sellers.
          ---------------------------------------------------------------    
All obligations of Powertel and Sellers under this Agreement are subject to the
fulfillment or satisfaction, prior to or at the Closing, of each of the
following conditions precedent:

                                      -31-
<PAGE>
 
          (10  Representations and Warranties True as of the Closing Date.  The
               ----------------------------------------------------------      
representations and warranties of CCIC and Buyer contained in this Agreement or
in any Schedule, certificate or document delivered by CCIC or Buyer to Powertel
and Sellers pursuant to the provisions hereof shall have been true in all
material respects on the date hereof and shall be true in all material respects
on the Closing Date with the same effect as though such representations and
warranties were made as of such date.

          (20  Compliance with this Agreement.  CCIC and Buyer shall have
               ------------------------------                            
performed and complied in all material respects with all agreements and
conditions required by this Agreement to be performed or complied with by them
prior to or at the Closing.

          (30  Closing Certificates.  Powertel and Sellers shall have received
               --------------------                                           
certificates from CCIC and Buyer, dated the Closing Date, certifying in such
detail as Powertel and Sellers may reasonably request that the conditions
specified in Sections 5.2(a) and (b) hereof have been fulfilled.

          (40  No Threatened or Pending Litigation.  On the Closing Date, no 
               ----------------------------------- 
suit, action or other proceeding, or injunction or final judgment relating
thereto, shall be threatened in writing or be pending before any court or
governmental or regulatory official, body or authority in which a Person (other
than a party hereto or their respective Affiliates) seeks to restrain, enjoin or
prohibit the closing of the transactions contemplated hereby or otherwise seeks
to obtain damages or other relief as a result of or in respect of the
transactions contemplated hereby.

          (50  Consents and Approvals.  The waiting period required under the 
               ---------------------- 
HSR Act for the transactions contemplated hereby shall have expired or been
terminated; and each governmental, judicial or regulatory official, body or
authority having jurisdiction over the parties hereto to the extent that their
consent or approval is required or necessary under applicable Court Orders or
Laws for the consummation of the transactions contemplated hereby in the manner
herein provided, shall have granted such consent or approval.

If notwithstanding the fact that one or more of the foregoing conditions
precedent may not have been fulfilled or satisfied prior to or at the Closing,
and CCIC and Buyer are nevertheless ready, willing and able at the Closing to
acquire the Assets upon the terms set forth in this Agreement, to make the
deliveries set forth in Section 7.3 and to pay the Purchase Price (as adjusted
as provided in this Agreement), then at the option of Powertel and Sellers
either (i) the Closing shall occur and the unfulfilled or unsatisfied conditions
precedent shall be waived or deemed waived by Powertel and Sellers, or (ii)
Powertel and Sellers may elect to terminate this Agreement, in which event this
Agreement shall be null and void and of no further force or effect and the
Escrow Deposit shall be refunded to CCIC and Buyer.  If, however, CCIC and Buyer
are unable or unwilling to deliver the Purchase Price (as adjusted in this
Agreement) on the Closing Date, and (i) prior to such date 

                                      -32-
<PAGE>
 
Powertel and Sellers have failed to exercise any remedy available to them
pursuant to Section 10.1(b), and (ii) Powertel and Sellers have fulfilled all of
their obligations and conditions precedent to Closing in all material respects
and have not defaulted or breached their obligations hereunder, then, as
provided in Section 10.1(c), the Escrow Agent shall pay Powertel and Sellers
$50,000,000 from the Escrow Deposit as liquidated damages and not as a penalty.

                                   ARTICLE 6

                        REPRESENTATIONS AND WARRANTIES

     6.1  Representations and Warranties of Powertel and Sellers.    Except as
          ------------------------------------------------------              
disclosed to CCIC and Buyer in (i) the Schedules to this Agreement (with each
disclosure made in the Schedules in response to any Section of these
representations and warranties being deemed to be disclosed in response to, and
to qualify, each other Section of these representations and warranties), (ii)
the documents and other materials furnished or otherwise made available to CCIC
and Buyer prior to the effective date of this Agreement, including, without
limitation, the title policies, commitments, searches, reports, environmental
assessments, NEPA checklists and inspection reports, made available in CD-ROM
format or otherwise, and (iii) the Missing Information or executed agreements,
documents, reports or instruments enclosed for review by CCIC and Buyer in Cure
Notices delivered to CCIC and Buyer prior to the Closing Date, and subject in
all respects to any rights or obligations under this Agreement of Powertel and
Sellers to update and supplement any such Schedules prior to Closing, Powertel
and Sellers jointly and severally hereby represent and warrant to CCIC and Buyer
as of both the effective date of this Agreement and the Closing Date, as
follows:

          (10  Corporate.  Powertel is a corporation, and the Sellers are 
               ---------
limited liability companies, duly organized, validly existing and in good
standing under the laws of the State of Delaware. Powertel and Sellers are duly
qualified to do business in any jurisdiction where the ownership, use or
occupancy of the Assets would require them to be so qualified, except where the
failure to be so qualified would not reasonably be expected to have a Material
Adverse Effect taken as a whole. Powertel and Sellers have the requisite
corporate and limited liability company, as the case may be, power and authority
to own, lease, use and occupy the Assets as they are now being owned, leased,
used and occupied.

          (20  Authorization.  Powertel and Sellers have the requisite corporate
               -------------                                                    
and limited liability company, as the case may be, power and authority to
execute and deliver this Agreement and the Transaction Documents to which they
are a party and to perform the transactions performed or to be performed by them
hereunder and thereunder.  Such execution, delivery and performance by Powertel
and Sellers have been duly authorized by all necessary corporate and limited
liability company action, as the case may be.  This Agreement, and the

                                      -33-
<PAGE>
 
Transaction Documents (when entered into), constitute valid and binding
obligations of Powertel and Sellers, enforceable against Powertel and Sellers in
accordance with their respective terms.

          (30  Consents and Approvals.  Except for compliance with the HSR Act,
               ----------------------                                          
neither the execution and delivery by Powertel and Sellers of this Agreement and
the Transaction Documents to which they are a party, nor the performance of the
transactions performed or to be performed by Powertel and/or Sellers, will
require any filing, consent or approval or constitute a Default under (i) any
Law or Court Order to which Powertel and/or Sellers or any of the Assets is
subject, or (ii) the Charter Documents or bylaws of Powertel or Sellers.

          (40  Legal Proceedings and Compliance with Laws. Except as set forth 
               ------------------------------------------  
in Schedule 6.1(d), there is no Litigation that is pending or, to the knowledge
of Powertel and Sellers threatened, against Powertel or Sellers (or any of their
Affiliates), with respect to, or involving, any of the Assets that has had, or
could reasonably be expected to have, a Material Adverse Effect. Except as set
forth in Schedule 6.1(d), neither Powertel nor Sellers (nor any of their
Affiliates who have previously owned any of the Assets), with respect to the
Assets, are presently subject to the provisions of any Court Order and, to the
knowledge of Powertel and Sellers, there has been no Default with respect to any
Court Order applicable to Powertel and Sellers with respect to the Assets,
except for any such Default that has not had, or could not reasonably be
expected to have, a Material Adverse Effect. Except as set forth in Schedule
6.1(d), neither Powertel nor Sellers (nor any of their Affiliates who have
previously owned any of the Assets) have received any notices from any
Governmental Authority regarding any alleged Defaults relating to the ownership,
use or occupancy of the Assets under any applicable Laws, and, to the knowledge
of Powertel and Sellers, their ownership, use and occupancy of the Assets are in
material compliance with applicable Laws, except for such failure of compliance
that has not resulted in, or could not reasonably be expected to result in, a
Material Adverse Effect.

          (50  Contracts.  Schedule 6.1(e) identifies all Contracts of the
               ---------                                                   
following types to which Powertel and/or Sellers are a party, or by which any of
them are bound, with respect to the Assets (other than any Contract that is
terminable by a party on not more than sixty (60) days' notice without any
Liability or any Contract under which the obligation of a party (fulfilled and
to be fulfilled) involves an amount of less than $50,000 (a "Minor Contract")):
                                                             --------------    

               (10  Contracts which are Site Leases, disclosing for each the
     location of the related Tower Site, the identity of the lessor,
     identification of the related Tower Site by name and number, and the amount
     of the rental paid to the lessor by Powertel or the Sellers thereunder for
     the month ended not more than forty-five (45) days prior to the date of
     this Agreement;

               (20  Contracts which are Tower Leases, disclosing for each the
     location of the related Tower Site, the identity of the lessee,
     identification of the related Tower Site by name and number, and the amount
     of the rental paid by the lessee to Powertel or the Sellers 

                                      -34-
<PAGE>
 
     thereunder for the month ended not more than forty-five (45) days prior to
     the date of this Agreement;

               (30  To the knowledge of Powertel and Sellers, all Contracts
     which are Tower Equipment Leases, disclosing for each the location of the
     related Tower Site, the type of equipment leased, the identity of the
     lessor, and the amount of the rental paid to the lessor by Powertel or the
     Sellers thereunder for the month ended not more than forty-five (45) days
     prior to the date of this Agreement; and

               (40  To the knowledge of Powertel and Sellers, all Contracts
     which are Tower Service Contracts, disclosing for each the location of the
     related Tower Site, the identity of the service provider, the type of
     service provided, and the amount of the fees paid by Powertel or the
     Sellers to the service provider thereunder for the month ended not more
     than forty-five (45) days prior to the date of this Agreement.

Except for interim assignments from Powertel or its Affiliates to Sellers and
except as identified in Schedule 6.1(e), and subject to any rights of Powertel
and Sellers to amend, modify, renew and extend Site Leases and Tower Leases
pursuant to this Agreement prior to Closing, the Contracts (including the Sites
Leases and Tower Leases) have not been assigned, modified or amended.

          (60  Availability of Documents  .  To the knowledge of Powertel and
               -------------------------                                     
Sellers, and except for the Missing Information with respect to the Incomplete
Sites (but including any such Missing Information which after the effective date
of this Agreement is delivered to CCIC and Buyer), Powertel and Sellers have
made available to CCIC and Buyer copies of all documents relating to the Assets
to the extent in the possession or under the custody or control of Powertel or
the Sellers, including without limitation all of the Contracts identified in the
Schedules to this Section 6.1.  To the knowledge of Powertel and Sellers, such
copies are true and complete in all material respects and include all
amendments, supplements and modifications thereto or waivers currently in effect
thereunder.

          (70  No Undisclosed Liabilities.  There have been no liabilities or
               --------------------------                                    
obligations (whether pursuant to Contracts or otherwise) of any kind whatsoever
(whether accrued, contingent, absolute, determined, determinable or otherwise)
incurred by Powertel or Sellers with respect to the Assets since December 31,
1998 and which have had or could reasonably be expected to have a Material
Adverse Effect taken as a whole, other than (i) liabilities or obligations
disclosed or provided for in Powertel's or Sellers' balance sheets or in the
notes thereto delivered to CCIC and Buyer, (ii) non-material liabilities or
obligations incurred or that have arisen in the ordinary course of business
consistent with past practice, or (iii) liabilities or obligations under this
Agreement or incurred in connection with the transactions contemplated hereby.

          (80  Taxes.  Powertel and Sellers have paid, or will pay as of the
               -----                                                        
Closing, any and all Taxes which may be due, or which may have been assessed but
are not yet due (subject to provision and apportionment in accordance with
Section 2.7 hereof), with respect to the Assets.  All 

                                      -35-
<PAGE>
 
returns have been filed and there does not exist, and to the knowledge of
Powertel or Sellers will not exist as of the Closing, any tax Liability (except
for sales or transfer taxes which may be due as a result of the transactions
contemplated by this Agreement) which may be asserted by any Governmental
Authority against CCIC and Buyer or the Assets.

          (90  Broker or Finder  .  No Person assisted in or brought about the
               ----------------                                               
negotiation of this Agreement in the capacity of investment banker, broker,
agent or finder or in any similar capacity on behalf of Powertel or Sellers.

          (100  Books and Records.  Copies of the books and records of Powertel
                -----------------                                              
and Sellers provided to CCIC and Buyer prior to the effective date of this
Agreement, including those in CD-ROM format, are true and correct copies of
Powertel's and Sellers' books and records as regards the Assets, including all
environmental and title (and title exception) information in the possession, or
under the custody and control, of Powertel and Sellers.  Although Powertel and
Sellers have used commercially reasonable efforts to locate and furnish to CCIC
and Buyer for inspection all of their books and records relating to the Assets,
Powertel and Sellers make no warranty or representation that the books and
records made available to CCIC and Buyer constitute all of such books and
records relating to the Assets.  Powertel and Sellers agree to continue using
commercially reasonable efforts to locate any Missing Information and other
books and records of Powertel and Sellers and deliver the foregoing to CCIC and
Buyer for review prior to Closing.  Powertel and Sellers agree to supplement the
books and records of Powertel and Sellers prior to Closing with any additional
documents relating to the Assets which may come into the possession or under the
custody or control of Powertel or Sellers, or of which Powertel or Sellers have
knowledge.

          (110  Absence of Certain Changes or Events.  Since December 31, 1998,
                ------------------------------------ 
Powertel and Sellers have made reasonable efforts consistent with past practice
to preserve relationships with lessors, licensors, tenants, licensees, lessees
and others with whom Powertel and/or Sellers have a business or financial
relationship with respect to the Assets.  Except as set forth on Schedule
6.1(k), Powertel and Sellers have conducted their operations regarding the
Assets in the ordinary course of business consistent with past practice
(including with respect to the collection of receivables, payment of payables
and other liabilities and capital expenditures).

          (120  Powertel Credit Facility.  None of the Assets were purchased 
                ------------------------   
with advances under the Powertel PCS Credit Agreement, and none of the Assets
are subject to any Encumbrance created by or arising out of the Powertel PCS
Credit Agreement.

          (130  In-Progress Sites.  As of the effective date of this Agreement,
                -----------------                                              
none of the Tower Sites set forth in Schedules 1.1, 1.2 or 1.3 are In-Progress
Sites.

References made in Section 6.1 to various specific Schedules are for the purpose
of reference only and are not in limitation of the other qualifications set
forth in Section 6.1, including the right of Powertel and Sellers to update and
supplement the Schedules as provided in Section 4.1(b).

                                      -36-
<PAGE>
 
     6.2  Representations and Warranties of Powertel and Sellers as of the
          ----------------------------------------------------------------
Closing Date.    Subject to the terms of Section 2.11(b), at the Closing,
- ------------                                                             
Powertel and Sellers shall execute and deliver to CCIC and Buyer a closing
certificate (the "Closing Certificate"), whereby Powertel and Sellers make
                  -------------------                                     
certain representations and warranties to CCIC and Buyer as of the Closing Date.
Except as disclosed to CCIC and Buyer in (i) the Schedules to this Agreement
(with each disclosure made in the Schedules in response to any Section of these
representations and warranties being deemed to be disclosed in response to, and
to qualify, each other Section of these representations and warranties), as such
Schedules have been updated and supplemented prior to Closing pursuant to the
terms of this Agreement, and (ii) the documents furnished or otherwise made
available to CCIC and Buyer prior to the Closing, including, without limitation,
the title policies, commitments, searches, reports, environmental assessments,
NEPA checklists and inspection reports, made available in CD-ROM format or
otherwise, in the Closing Certificate Powertel and Sellers shall jointly and
severally represent and warrant to CCIC and Buyer as of the Closing Date as
follows:

          (10  Reaffirmation.  Powertel and Sellers shall reaffirm and restate
               -------------                                                  
each of their representations and warranties set forth in Section 6.1.

          (20  Title to Assets; Condition of Assets.  Powertel and Sellers own 
               ------------------------------------
and will transfer to Buyer at the Closing good and marketable title to the Owned
Sites, subject to the Permitted Encumbrances.  Powertel and Sellers own and will
transfer to Buyer at the Closing a valid leasehold interest in the Leased Sites,
subject to the Permitted Encumbrances.  Powertel and Sellers own and shall also
transfer at Closing (with special warranty) the other Assets described in this
Agreement.  Except as may be provided in the Site Leases and other Permitted
Encumbrances, Powertel's and Sellers' ownership of the Assets includes the right
to lease or sublease to third parties space on the Tower Sites and Tower
Structures.  Powertel and Sellers make no representation or warranty as to the
effect of the Permitted Encumbrances on Buyer's use, ownership or operation of
the Assets; provided, however, that absent a default by Buyer or CCIC in the
payment or performance of any Assumed Liabilities which arise from Permitted
Encumbrances adversely affecting any of the Assets, neither Powertel nor Sellers
(or their respective Affiliates) shall have any claim against CCIC or Buyer for
breach of any warranty or representation contained in the Master Lease regarding
CCIC's or Buyer's ownership and right to lease any of the Assets, or for breach
of any covenant of quiet enjoyment contained in the Master Lease, to the extent
such breach arises from the existence or exercise of Permitted Encumbrances as
of the Closing adversely affecting the use or occupancy of the subject Assets
pursuant to the terms of the Master Lease.  The structural integrity, operating
condition and repair of the Tower Structures as of the Closing Date will be
satisfactory to Powertel and Sellers in all respects for the purpose of
supporting and operating their antennae equipment and facilities pursuant to the
terms of the Master Lease; provided, however, the foregoing is not intended to
limit any subsequent repair and maintenance obligations of CCIC or Buyer
pursuant to the terms of the Master Lease.

          (30  Real Property.
               -------------   

                                      -37-
<PAGE>
 
               (10  Zoning.  None of Powertel, Sellers or their respective
                    ------                                                
     Affiliates who may have previously owned any of the Assets has received any
     written notice of non-compliance with any applicable zoning or other land
     use requirements.

               (20  Utility Services.  The water, electric, gas and sewer 
                    ----------------  
     utility services and the septic tank and storm drainage facilities
     currently available to the Tower Sites are adequate for the present use of
     such Tower Sites by Powertel and Sellers, are not being misappropriated by
     Powertel or Sellers but rather are being supplied to Powertel and Sellers
     by utility companies or municipalities pursuant to valid and enforceable
     contracts or tariffs. To the knowledge of Powertel and Sellers, there is no
     current condition which will result in the termination of the present
     access from the Tower Sites to such utility services and other facilities.

               (30  Access.  To the knowledge of Powertel and Sellers, no action
                    ------                                                      
     is pending or threatened which would have the effect of terminating or
     limiting Governmental Permits (where required), easements and rights-of-way
     which are necessary to provide vehicular and pedestrian ingress and egress
     to and from the Tower Sites for the purposes used by Powertel and Sellers
     in the ordinary course.  None of Powertel, Sellers or their respective
     Affiliates who may have previously owned the Assets has received written
     notice from any Governmental Authority or any other Person of any such
     pending or threatened action.

               (40  Eminent Domain.  None of Powertel, Sellers or their 
                    --------------
     respective Affiliates who may have previously owned any of the Assets has
     received written notice that any Governmental Authority having the power of
     eminent domain over any of the real property included in the Assets has
     commenced or intends to exercise the power of eminent domain or a similar
     power with respect to all or any part of such real property.

               (50  Public Improvements.  To the knowledge of Powertel and
                    -------------------                                   
     Sellers, no work for municipal improvements has been commenced on or in
     connection with the Owned Sites included in the Assets (for which general,
     special or other assessments will be made).  None of Powertel, Sellers or
     their respective Affiliates who may have previously owned any of the Assets
     has received any written notice that any assessment for public improvements
     has been made against any such real property which remains unpaid.

          (40  Governmental Permits.  To the knowledge of Powertel and Sellers,
               --------------------            
except as set forth on Schedule 6.2(d), Powertel and Sellers have obtained all
Governmental Permits that are required for the ownership, use or occupancy of
the Assets as now being conducted, all of which are in full force and effect;
Powertel and Sellers have complied with all such Governmental Permits and
applicable Laws; and the Governmental Permits do not restrict or preclude use of
the Tower Sites (and related Assets) for purposes of co-location or subleasing
to third party tenants.  None of Powertel, Sellers or any of their respective
Affiliates who 

                                      -38-
<PAGE>
 
may have previously owned any of the Assets has received any written notice from
any Governmental Authority or any other Person that there exists any Default
with respect to any Governmental Permits.

          (50  Defaults under Contracts.  Except as identified in Schedule 
               ------------------------ 
6.2(e), neither Powertel nor Sellers (nor any of their Affiliates who may be a
party to any Contract) have received any written communication from, or given
any written communication to, any other party, indicating that Powertel or
Sellers (or such Affiliates) or such other party, as the case may be, is in
Default under any Contract. Except as identified in Schedule 6.2(e), to the
knowledge of Powertel and Sellers, neither Powertel nor Sellers (nor any of
their Affiliates who may be a party to any Contract) nor any of the other
parties to any such Contract is in Default thereunder. Except as identified in
Schedule 6.2(e), each such Contract, including, without limitation, each Site
Lease, is in full force and effect and is enforceable against the other parties
thereto in accordance with its terms, except to the extent that such enforcement
may be limited by applicable bankruptcy, reorganization, insolvency and other
Laws of general application affecting enforcement of creditors' rights
generally. No written communication has been received from or given to Powertel,
Sellers or any party to or assignee of the Site Leases, indicating that Powertel
or Sellers or any other party to or assignee of the Site Leases is in Default
thereunder, and to the knowledge of Powertel and Sellers, no Default exists
thereunder except as identified in such Schedule.

          (60  Environmental Matters.  Except as set forth on Schedule 6.2(f),
               ---------------------                                            
there is no pending Litigation, or to the knowledge of Powertel or the Sellers,
threatened Litigation against Powertel, Sellers or their respective Affiliates,
relating to the ownership, use or occupancy of the Assets under any
Environmental Law.  Except as set forth on Schedule 6.2(f) and except as may be
reasonably necessary to remedy any Defective Sites or supply any Missing
Information, none of Powertel, the Sellers or their respective Affiliates is
currently investigating or remediating any Environmental Condition in connection
with any of the Assets.

          (70  Construction Completed.  Except with respect to In-Progress 
               ----------------------                                    
Sites, all Tower Structures have been delivered to the Tower Sites, and all
installation and construction with respect thereto is complete and, to the
knowledge of Powertel and Sellers, performed in accordance with applicable Laws
and Governmental Permits.  As of any Closing of the In-Progress Sites, unless
CCIC and Buyer elect to close prior to completion, all Tower Structures will
have been delivered to the Tower Sites and all installation and construction
with respect thereto will be complete and, to the knowledge of Powertel and
Sellers, performed in accordance with applicable Laws and Governmental Permits.

          (80  Wetlands and Flood Plain.  Except as identified in Schedule 
               ------------------------
6.2(h), to the knowledge of Powertel and Sellers, no Tower Structures are
located in wetlands or flood plain areas except in conformity with applicable
Laws and Governmental Permits.

                                      -39-
<PAGE>
 
References made in Section 6.2 to various specific Schedules are for the purpose
of reference only and are not in limitation of the other qualifications set
forth in Section 6.2, including the right of Powertel and Sellers to update and
supplement the Schedules as provided in Section 4.1(b).

     6.3  Representations and Warranties of CCIC and Buyer.    CCIC and Buyer
          ------------------------------------------------                   
hereby jointly and severally represent and warrant to Powertel and Sellers as
follows:

          (10  Corporate.  CCIC and Buyer are corporations duly organized,
               ---------                                                    
validly existing and in good standing under the laws of the State of Delaware.
CCIC and Buyer have all requisite corporate power and authority to carry on
their respective businesses as they have been and are now being conducted and to
own, lease and operate the properties and assets used in connection therewith.
Buyer is a wholly owned subsidiary of Crown Communication Inc.  Buyer is a
single purpose entity being used for the purpose of owning, maintaining and
operating the Assets, and other purposes contemplated by this Agreement or
ancillary thereto.

          (20  Authorization.  As of the effective date of this Agreement, Buyer
               -------------
is only qualified to do business in the state of Delaware.  Subject to the
qualification in the preceding sentence, CCIC and Buyer have the requisite
corporate power and authority to execute and deliver this Agreement and the
Transaction Documents to which they are a party and to perform the transactions
performed or to be performed by them hereunder and thereunder.  Such execution,
delivery and performance by CCIC and Buyer have been duly authorized by all
necessary corporate action.  This Agreement, and the Transaction Documents (when
entered into), constitute valid and binding obligations of CCIC and Buyer,
enforceable against CCIC and Buyer in accordance with their respective terms.

          (30  Consents and Approvals.  Except for compliance with the HSR Act
               ----------------------                                           
and qualification of the Buyer in the States of Georgia, Alabama, Florida,
Kentucky and Tennessee by the Closing Date, neither the execution and delivery
by CCIC and Buyer of this Agreement and the Transaction Documents to which they
are a party, nor the performance of the transactions performed or to be
performed by CCIC and/or Buyer, will require any filing, consent or approval or
constitute a Default under (i) any Law or Court Order to which CCIC and/or Buyer
or any of their respective properties and assets are subject, or (ii) the
Charter Documents or bylaws of CCIC or Buyer.

          (40  Broker or Finder.  No Person assisted in or brought about the
               ----------------                                               
negotiation of this Agreement in the capacity of investment banker, broker,
agent or finder or in any similar capacity on behalf of Buyer.

          (50  No Other Representations or Warranties. Except for the
               --------------------------------------                  
representations and warranties expressly set forth in Section 6.3, the Master
Lease, the CCIC Guaranty and the Escrow Agreement, neither CCIC nor 

                                      -40-
<PAGE>
 
Buyer is making any representations or warranties to Powertel or Sellers,
express or implied, in connection with the transactions contemplated by this
Agreement.

     6.4  Assets in "As Is" Condition.    SUBJECT TO THE REPRESENTATIONS AND
          ---------------------------                                       
WARRANTIES OF POWERTEL AND THE SELLERS SET FORTH IN THIS AGREEMENT, CCIC AND
BUYER JOINTLY AND SEVERALLY ACKNOWLEDGE AND AGREE THAT THE ASSETS ARE BEING
SOLD, ASSIGNED AND CONVEYED HEREUNDER ON AN "AS IS" AND "WHERE IS" BASIS AS OF
THE CLOSING DATE.  WITHOUT LIMITING THE FOREGOING, EXCEPT FOR THE
REPRESENTATIONS AND WARRANTIES OF POWERTEL AND THE SELLERS SET FORTH IN THIS
AGREEMENT, CCIC AND BUYER EACH ACKNOWLEDGE AND AGREE THAT NEITHER POWERTEL NOR
ANY SELLER HAS MADE, IS MAKING OR IS DEEMED TO HAVE MADE OR BE MAKING ANY
REPRESENTATION OR WARRANTY WITH RESPECT TO THE ASSETS (EXCEPT WITH RESPECT TO
THE LIMITED TITLE WARRANTY TO BE GIVEN BY POWERTEL AND SELLERS AS REGARDS THE
ASSETS), INCLUDING, WORKMANSHIP, CONDITION, DESIGN, STRUCTURAL INTEGRITY,
OPERATION OR FITNESS FOR USE OR A PARTICULAR PURPOSE OF THE ASSETS OR ANY
PORTION THEREOF, AS TO THE ABSENCE OF LATENT OR OTHER DEFECTS, WHETHER OR NOT
DISCOVERABLE, AS 

                                      -41-
<PAGE>
 
TO THE ABSENCE OF ANY CONDITION OR OTHER CHARACTERISTIC RELATING TO
ENVIRONMENTAL OR SAFETY MATTERS, AS TO THE ABSENCE OF ANY INFRINGEMENT OF ANY
PATENT, TRADEMARK, COPYRIGHT OR OTHER PROPERTY RIGHT, WHETHER TANGIBLE OR
INTANGIBLE OR REAL OR PERSONAL, AS TO ANY EASEMENTS, COVENANTS, CONDITIONS OR
RESTRICTIONS AFFECTING THE ASSETS, AS TO ANY AUTHORIZATIONS OR CONSENTS OF THIRD
PARTIES TO ANY TRANSFER OR ASSIGNMENTS OF ANY OF THE ASSETS, INCLUDING, WITHOUT
LIMITATION, ANY CONTRACTS, SITE LEASES, TOWER LEASES, TOWER EQUIPMENT LEASES,
AND TOWER SERVICE CONTRACTS INCLUDED IN THE ASSETS, OR AS TO THE ABSENCE OF
OBLIGATIONS BASED ON STRICT LIABILITY IN TORT, OR ANY OTHER REPRESENTATIONS AND
WARRANTIES.

     6.5  Survival.    All representations and warranties contained in this
          --------                                                         
Agreement or in any Schedule, Exhibit, certificate, agreement, document or
statement delivered pursuant hereto shall survive the Closing Date for a period
of two years.

     6.6  Definitions of "Knowledge" and "Belief".    When reference is made in
          ---------------------------------------                              
this Agreement to Powertel's or Sellers' or any one of their "knowledge" or
"belief," such terms mean the actual knowledge of a fact or constructive
knowledge, if a reasonably prudent person in a like position would have known or
should have known the fact, of Allen Smith, President and CEO of Powertel; Rick
Astor, Executive Vice President and Chief Financial Officer of Powertel; Jill
Dorsey, Vice President and General Counsel of Powertel; Harold Gwin, Vice
President Operations, Powertel/Birmingham, Inc.; Tim Chandler, Vice President
Operations, Powertel/Jacksonville, Inc.; Jim Coovert, former Vice President
Operations, Powertel/Atlanta, Inc.; Dave Allen, Vice President Operations,
Powertel/Memphis, Inc.; and Paul Anuschewiecz, Vice President Operations,
Powertel/Atlanta, Inc.; provided, however, that neither Powertel nor Sellers
                        --------  -------                                   
shall have any greater duty to investigate or acquire knowledge because of the
existence of this Agreement than would apply if this Agreement had never been
executed and delivered, except that when such term is used to qualify the
matters set forth on the Schedules to this Agreement, Powertel and Sellers must
make such investigation in preparing or modifying such Schedules as is
reasonable under the circumstances, giving due consideration to the size and
nature of the transaction contemplated herein.  Powertel and Sellers represent
that the officers named above are the officers which they believe in good faith
to be the officers who are most likely, in the performance of their duties, to
have knowledge.

     6.7  Reliance and Notification  .  Each party to this Agreement
          -------------------------                                 
acknowledges that the other parties have relied and will rely on the
representations and warranties set forth in this Agreement in executing this
Agreement and in closing the transactions contemplated by this Agreement, and
during the term of this Agreement agree to notify the other parties promptly in
the event of any change affecting any of such representations and warranties.

                                      -42-
<PAGE>
 
                                   ARTICLE 7

                 CLOSING; DELIVERIES OF THE PARTIES AT CLOSING

     7.1  The Closing.    The consummation of the transactions provided for in
          -----------                                                         
this Agreement shall occur on the Closing Date, or any other date upon which all
parties may agree in writing, at a mutually agreeable time at the offices of
Nelson Mullins Riley & Scarborough, L.L.P. in Atlanta, Georgia.

     7.2  Deliveries at the Closing by Powertel and Sellers.    At the Closing,
          -------------------------------------------------                    
Powertel and Sellers shall deliver to CCIC and Buyer the following:

          (1)  the Assets;

          (2) the Required Consents to the extent actually received by Powertel
and/or the Sellers as of the Closing Date;

          (3) special warranty deeds and assignments, bills of sale,
endorsements, and other good and sufficient instruments of sale, conveyance,
transfer and assignment in form and substance reasonably satisfactory to CCIC
and Buyer and their counsel sufficient to sell, convey, transfer and assign to
Buyer title to the Assets, subject only to the Permitted Encumbrances;

          (4) the Master Lease, in the form attached hereto as Exhibit "A";

          (5) the Powertel Guaranty, in the form attached hereto as Exhibit "C";

          (6)  the Closing Certificate;

          (7) certified copies of resolutions, duly adopted by the Board of
Directors of Powertel and the Boards of Managers and Members of each of the
Sellers, which shall be in full force and effect at the time of the Closing,
authorizing the execution, delivery and performance by Powertel and Sellers of
this Agreement and the consummation of the transactions contemplated hereby and
any other authorization required to transfer the Assets;

          (8) a certificate from Powertel and Sellers signed by the respective
executive officers of Powertel and Sellers, as applicable, to the effect set
forth in clauses (a) and (b) of Section 5.1;

          (9) an opinion dated as of the Closing Date of Nelson Mullins Riley &
Scarborough, L.L.P., counsel to Powertel and Sellers, with respect to such
matters as CCIC and Buyer may reasonably request, in form and substance
reasonably satisfactory to CCIC and Buyer;

                                      -43-
<PAGE>
 
          (10) a FIRPTA Affidavit ("FIRPTA Affidavit") in the form of Exhibit
                                    ----------------                         
"E" attached hereto and made a part hereof for all purposes; and

          (11) such other documents or instruments as CCIC and Buyer or their
counsel may reasonably request to demonstrate satisfaction of the conditions to
Closing set forth in Article 5 and compliance by Powertel and Sellers with the
agreements set forth in this Agreement.

     7.3  Deliveries at the Closing by CCIC and Buyer.    At the Closing, CCIC
          -------------------------------------------                         
and Buyer, as applicable, shall deliver to Powertel and Sellers the following:

          (1) the Purchase Price for the Assets, as described in Section 3.1
hereof;

          (2) an instrument or instruments of assumption of the Assumed
Liabilities, in form and substance reasonably satisfactory to Powertel, Sellers
and their counsel;

          (3) the Master Lease, in the form attached hereto as Exhibit "A";

          (4) the CCIC Guaranty, in the form attached hereto as Exhibit "B";

          (5) certified copies of resolutions, duly adopted by the Boards of
Directors of CCIC and Buyer which shall be in full force and effect at the time
of the Closing, authorizing the execution, delivery and performance by CCIC and
Buyer of this Agreement and the consummation of the transactions contemplated
hereby;

          (6) a certificate from CCIC and Buyer signed by the respective
executive officers of CCIC and Buyer, as applicable, to the effect set forth in
clauses (a) and (b) of Section 5.2;

          (7) an opinion dated as of the Closing Date of Brown Parker & Leahy,
LLP, counsel to CCIC and Buyer, or other outside counsel to CCIC and Buyer
acceptable to Powertel and Sellers, with respect to such matters as Powertel and
Sellers may reasonably request, in form and substance reasonably satisfactory to
Powertel and Sellers; and

          (8) such other documents, instruments and other writings as Powertel
and the Sellers or their counsel may reasonably request to demonstrate
satisfaction of the conditions to Closing as set forth in Article 5 and
compliance by CCIC and Buyer with the agreements set forth in this Agreement.

     7.4  Pre-Closing Deliveries.  -  As stated in Section 4.1(b) and subject to
          ----------------------   -                                            
the provisions thereof, on or before April 30, 1999, Powertel and Sellers shall
deliver to CCIC and Buyer the Schedules which are contemplated by Section 6.2.
Prior to the Closing Date, Powertel and Sellers shall have furnished to CCIC and
Buyer draft forms of all 

                                      -44-
<PAGE>
 
documents to be delivered by Powertel or Sellers in accordance with Section 7.2,
and CCIC and Buyer shall have furnished to Powertel and Sellers draft forms of
all documents to be delivered by CCIC or Buyer in accordance with Section 7.3,
in each case with a view to providing a reasonable period of time for reviewing,
approving and completing all such documents and instruments prior to the
scheduled Closing Date.

     7.5  Post-Closing Covenant.    The parties hereto acknowledge that the time
          ---------------------                                                 
between the execution of this Agreement and the Closing Date will likely not
permit assignments, consents and other agreements and arrangements for the
transfer of the Assets to be completed, including, but not limited to, to the
extent contemplated by this Agreement, transfer of operating agreements and
other associated contracts and arrangements for operation of the Assets.
Accordingly, Powertel and Sellers agree for a reasonable period of time after
the Closing to attempt to complete all such closing related matters not
completed at Closing.  Powertel, Sellers, CCIC and Buyer covenant and agree to
reasonably cooperate with each other after Closing to attempt to complete such
matters within a reasonable period of time.

     7.6  Time is of the Essence.    With regard to all dates and time periods
          ----------------------                                              
set forth or referred to in this Agreement, time is of the essence.

                                   ARTICLE 8

                                INDEMNIFICATION

     8.1  Indemnification.    From and after the Closing Date, for the periods
          ---------------                                                     
of time described in Section 8.4, the parties hereto shall provide the
indemnities as hereinafter set forth.  (The party paying an indemnity as
provided herein or against which a claim for indemnity is made hereunder is
hereafter referred to as "Indemnitor.")
                          ----------   

          (1) Indemnification by Powertel and Sellers.  Powertel and Sellers
              ---------------------------------------                       
jointly and severally shall indemnify, defend and hold and save CCIC and Buyer
and their respective officers, directors, employees, agents and Affiliates
harmless from and against any Loss suffered or incurred by or that are the legal
responsibility of any such Indemnified Party, arising from, relating to or
otherwise in respect of, (i) any breach of any representation, warranty,
covenant or agreement of Powertel or Sellers contained in this Agreement or any
Transaction Document to which they are a party, (ii) all Retained Liabilities,
or (iii) the Litigation described in Schedule 6.1(d).

          (2) Indemnification by CCIC and Buyer.  CCIC and Buyer jointly and
              ---------------------------------                             
severally shall indemnify, defend and hold and save Powertel, Sellers and their
respective officers, directors, employees, agents and Affiliates harmless from
and against any Loss suffered or incurred by or that are the legal
responsibility of any such Indemnified Party, arising from, relating to or
otherwise in respect of, (i) any breach of any representation, warranty,
covenant or agreement of CCIC or Buyer contained in this Agreement or any
Transaction Document to which they are a party, or (ii) all Assumed Liabilities.

                                      -45-
<PAGE>
 
          (3) Losses Net of Insurance, etc.  The amount of any Loss for which
              ----------------------------                                   
indemnification is provided under this Agreement shall be net of (i) any tax
benefit (such as a deduction, credit or deferral) actually realized from any
such Loss, (ii) any amounts recovered by the Indemnified Party pursuant to any
indemnification by or indemnification agreement with any third party, and (iii)
any insurance proceeds or other cash receipts or sources of reimbursements
received as an offset against such Loss.  Each party to this Agreement shall
make any claims for indemnification from a third party or insurance proceeds
available to offset against such Loss for which an indemnity is provided
hereunder, and will pursue such claims in good faith.  If the amount to be
netted hereunder from any Loss is determined after payment by Indemnitor of any
amount otherwise required to be paid to an Indemnified Party pursuant to this
Section 8.1, the Indemnified Party shall repay to Indemnitor, promptly after
such determination, any amount that would not have been paid had such
determination been made at the time of such payment.

          (4) Procedures Relating to Indemnification.  In order for the
              --------------------------------------                   
Indemnified Party to be entitled to any indemnity provided for under this
Agreement in respect of, arising out of or involving a claim or demand made by
any Person (other than Indemnitor) against the Indemnified Party (a "Third Party
                                                                     -----------
Claim"), such Indemnified Party must notify Indemnitor in writing, and in
- -----                                                                    
reasonable detail, of the Third Party Claim within ten (10) business days after
receipt by such Indemnified Party of written notice of the Third Party Claim
(the "10 Day Period"); provided, however, that failure to give such notification
      -------------    --------  -------                                        
shall not affect the indemnity provided hereunder except to the extent
Indemnitor shall have been actually prejudiced as a result of such failure
(except that Indemnitor shall not be liable for any expenses incurred during the
period subsequent to the 10 Day Period in which the Indemnified Party failed to
give such notice). Thereafter, the Indemnified Party shall deliver to
Indemnitor, within five (5) business days after the Indemnified Party's receipt
thereof, copies of all notices and documents (including court papers) received
by the Indemnified Party relating to the Third Party Claim.

          If a Third Party Claim is made against an Indemnified Party,
Indemnitor shall be entitled to participate in the defense thereof and, if it so
chooses and acknowledges its obligation to indemnify the Indemnified Party
therefor, to assume the defense thereof with counsel selected by Indemnitor;
                                                                            
provided that such counsel is not reasonably objected to by the Indemnified
- --------                                                                   
Party. Should Indemnitor so elect to assume the defense of a Third Party Claim,
Indemnitor shall not be liable to the Indemnified Party for legal expenses
subsequently incurred by the Indemnified Party in connection with the defense
thereof. If Indemnitor assumes such defense, the Indemnified Party shall have
the right to separate counsel (not reasonably objected to by Indemnitor), at its
own expense, separate from the counsel employed by Indemnitor, it being
understood that Indemnitor shall control such defense.  Indemnitor shall be
liable for the fees and expenses of counsel employed by the Indemnified Party
for any period during which Indemnitor has failed to assume the defense of the
Third Party Claim (other than during the period prior to the time the
Indemnified Party shall have given notice of the Third Party Claim as provided
above).

                                      -46-
<PAGE>
 
          If Indemnitor so elects to assume the defense of any Third Party
Claim, each Indemnified Party shall cooperate with Indemnitor in the defense or
prosecution thereof.  Such cooperation shall include the retention and (upon
Indemnitor's request) the provision to Indemnitor of records and information
which are reasonably relevant to such Third Party Claim, and making employees
available on a mutually convenient basis to provide additional information and
explanation of any material provided hereunder. Whether or not Indemnitor shall
have assumed the defense of a Third Party Claim, Indemnified Party shall not
admit any liability with respect to, or settle, compromise or discharge, such
Third Party Claim without the Indemnitor's prior written consent (which consent
shall not be unreasonably withheld). If Indemnitor shall have assumed the
defense of a Third Party Claim, Indemnified Party shall agree to any settlement,
compromise or discharge of such Third Party Claim which Indemnitor may recommend
and which by its terms obligates Indemnitor to pay the full amount of the
liability in connection with such Third Party Claim, and which releases such
Indemnified Party completely in connection with such Third Party Claim and which
does not otherwise adversely affect such Indemnified Party.

          Notwithstanding the foregoing, Indemnitor shall not be entitled to
assume the defense of any Third Party Claim (and shall be liable for the
reasonable fees and expenses of counsel incurred by Indemnified Party in
defending such Third Party Claim) if the Third Party Claim seeks an order,
injunction or other equitable relief or relief for other than money damages
against an Indemnified Party which such Indemnified Party reasonably determines,
after conferring with its outside counsel, cannot be separated from any related
claim for money damages.  If such equitable relief or other relief portion of
the Third Party Claim can be so separated from that for money damages,
Indemnitor shall be entitled to assume the defense of the portion relating to
money damages.

          (5) Other Claims.  In the event any Indemnified Party should have a
              ------------                                                   
claim against any Indemnitor under Section 8.1(a) or 8.1(b) that does not
involve a Third Party Claim being asserted against or sought to be collected
from such Indemnified Party, Indemnified Party shall deliver notice of such
claim with reasonable promptness to Indemnitor.  The failure by any Indemnified
Party so to notify Indemnitor shall not relieve Indemnitor from any liability
which it may have to such Indemnified Party under Section 8.1(a) or 8.1(b),
except to the extent that Indemnitor demonstrates that it has been materially
prejudiced by such failure.  If Indemnitor disputes its liability with respect
to such claim, as provided above, Indemnitor and Indemnified Party shall proceed
in good faith to negotiate a resolution of such Dispute (as defined in Section
10.2), and, if not resolved through negotiations, such Dispute shall be settled
by arbitration in accordance with the provisions of Section 10.2.

     8.2  Mitigation.    The parties hereto shall cooperate with each other with
          ----------                                                            
respect to resolving any claim or liability with respect to which one or more
party or parties are obligated to indemnify a party hereunder, including by
making commercially reasonable efforts to mitigate or resolve any such claim or
liability; provided that such party shall not be required to make such efforts
           --------                                                           
if they would be detrimental in any material respect to such party.  In the
event that CCIC, Buyer, Powertel or Sellers shall fail to make such commercially

                                      -47-
<PAGE>
 
reasonable efforts to mitigate or resolve any claim or liability, then (unless
the proviso to the foregoing covenant shall be applicable) notwithstanding
anything else to the contrary contained herein, the other party shall not be
required to indemnify any Person for any loss, liability, claim, damage or
expense that could reasonably be expected to have been avoided if CCIC, Buyer,
Powertel or Sellers, as the case may be, had made such efforts.

     8.3  Effect of Investigation or Knowledge.    No claim for a breach of
          ------------------------------------                             
representation or warranty shall be made by an Indemnified Party if such claim
is based on an event occurring prior to the Closing Date and such event was
either (i) disclosed by Powertel, Sellers, CCIC or Buyer, as the case may be,
prior to the Closing Date in a writing which describes such event or facts
giving rise to such event in reasonable detail or (ii) the Indemnified Party had
actual knowledge of such event or such misrepresentation or breach of warranty
prior to the Closing Date, and (iii) the Closing thereafter occurs.

     8.4  Duration of Indemnification.    The indemnities provided by the
          ---------------------------                                    
parties hereto in Section 8.1 shall, except as provided below, be provided for a
period of two years after the Closing Date.  Notwithstanding the foregoing, the
indemnities provided by Powertel and Sellers with respect to (i) the Retained
Liabilities and (ii) the Litigation described in Schedule 6.1(d), shall not be
limited in duration and shall continue to be provided to CCIC and Buyer from and
after the Closing Date.

                                   ARTICLE 9

                            POST-CLOSING COVENANTS

     9.1  Post-Closing Covenants Related to Buyer.    From and after the Closing
          ---------------------------------------                               
Date, Buyer shall, and CCIC will cause Buyer to, comply with each of the
following covenants:

          (1) Buyer shall not voluntarily dissolve or liquidate, shall not make
a voluntary assignment for the benefit of creditors, shall not file a petition
in bankruptcy, shall not petition or apply to any tribunal for any receiver or
trustee, shall not commence any proceeding relating to itself under any
bankruptcy, reorganization, readjustment of debt, dissolution or liquidation law
or statute of any jurisdiction, shall not indicate its consent to, approval of
or acquiescence in any such proceeding and shall use its best efforts to have
discharged the appointment of any receiver of or trustee for Buyer or any
substantial part of its property.

          (2) From time to time upon the reasonable request of Powertel, Buyer
shall cause its senior credit facility lender in favor of whom an Encumbrance
has been created against any of the Assets which are the subject of the Master
Lease to enter into a subordination, non-disturbance and attornment agreement
with Powertel, in form and substance reasonably satisfactory to all parties to
such agreement, whereby such lender will agree to provide Powertel with notices
of Buyer defaults 

                                      -48-
<PAGE>
 
under the credit facility, give Powertel a reasonable opportunity to cure such
defaults, and agree not to disturb Powertel's or Sellers' tenancy under the
Master Lease provided they are not in default thereunder.

                                  ARTICLE 10

                                 MISCELLANEOUS

     10.1  Remedies.
           -------- 

          (1) In the event Powertel or Sellers fail to close the transactions
contemplated by this Agreement, or otherwise default in or breach its or their
obligations hereunder, and CCIC and Buyer have fulfilled all of their
obligations and conditions precedent to Closing in all material respects and
have not defaulted or breached their obligations hereunder, then CCIC and Buyer
(acting jointly) shall be entitled to seek specific performance of this
Agreement or such obligations, and/or pursue such other remedies as may be
available hereunder or otherwise at law or in equity; provided, however, that in
no event shall Powertel be liable for an amount that exceeds the Purchase Price,
as adjusted pursuant to this Agreement.

          (2) In the event of CCIC's breach of and failure to perform its
obligations under Section 4.2(a) of this Agreement, Powertel and Sellers may
terminate this Agreement and be paid by the Escrow Agent out of the Escrow
Deposit an Early Termination Payment as provided in the Escrow Agreement and in
such Section 4.2(a), and such remedy, if exercised by Powertel or any Seller,
shall constitute the sole remedy of Powertel and Sellers under this Agreement
and Powertel and Sellers shall have no further rights or remedies against CCIC
or Buyer.

          (3) In the event Powertel and Sellers have fulfilled all of their
obligations and conditions precedent to Closing in all material respects and
have not defaulted or breached their obligations hereunder, and Buyer is
unwilling or unable to acquire the Assets upon the terms set forth in this
Agreement, including, without limitation, to make the deliveries set forth in
Section 7.3 and to deliver the Purchase Price (as adjusted pursuant to the terms
of this Agreement) at the Closing to Powertel and Sellers, and provided further
that Powertel and Sellers have not terminated this Agreement pursuant to a
Termination Notice under Section 4.2(a), Powertel and Sellers shall be entitled
to terminate this Agreement pursuant to this Section 10.1(c) and the Escrow
Agent shall pay to Powertel and Sellers the sum of $50,000,000 out of the Escrow
Deposit as liquidated damages hereunder and not as a penalty.  Such remedy, if
exercised by Powertel or any Seller, shall constitute the sole remedy of
Powertel and Sellers under this Agreement and Powertel and Sellers shall have no
further rights or remedies against CCIC or Buyer.  Upon delivery of such
liquidated damages amount to Powertel and Sellers, the remainder of the Escrow
Deposit shall be delivered by the Escrow Agent to CCIC and Buyer.

                                      -49-
<PAGE>
 
          (4) CCIC, Buyer, Powertel and Sellers each acknowledge that it is
otherwise difficult or impossible to determine Powertel's and Sellers' actual
damages because of CCIC's and Buyer's failure to consummate the transaction
contemplated hereby, but that the liquidated damages provided in Section 10.1(c)
(and in the alternative an Early Termination Payment described in Section
4.2(a)) represent a reasonable pre-estimate of such damages, taking into
consideration that Powertel and Sellers have received other offers to purchase
the Assets which are the subject of this Agreement.  CCIC and Buyer and Powertel
and Sellers therefore intend that such agreed upon liquidated damages are not
punitive or penalties, and are just, fair and reasonable, all in accordance with
O.C.G.A. ' 13-6-7.

          (5) The prevailing party in any legal proceeding involving this
Agreement or the exercise of the remedies set forth in this Agreement shall be
entitled to recover its court costs and reasonable attorneys' fees.

     10.2  Dispute Resolution.
           ------------------ 

          (1) In the case of any dispute, controversy or claim between or among
the parties hereto related to this Agreement or the transactions contemplated
hereby or the other documents referred to herein, except for disputes related to
obtaining the equitable remedies of specific performance, an injunction or a
restraining order (a "Dispute"), the parties will use the procedures set forth
                      -------                                                 
in this Section 10.2, in lieu of any party pursuing other available remedies and
as the sole remedy, to resolve the Dispute.

          (2) Any Dispute will be settled by arbitration before three
arbitrators in accordance with the Rules of the American Arbitration Association
("AAA") then in effect and as modified by this Section 10.2 or by further
  ---                                                                    
agreement of the parties.  In addition to what is allowed by the Rules of the
AAA, discovery may be conducted according to the Federal Rules of Civil
Procedure, to be enforced by the AAA, and if necessary, by a court having
jurisdiction.  Any such arbitration will be conducted in Chicago, Illinois,
unless otherwise agreed by CCIC and Powertel.  The arbitrators will be selected
from a panel of persons (such as retired jurists, distinguished legal or
business professionals, and similar persons) knowledgeable in the specific areas
which may be relevant to the claim, who have had more than ten (10) years of
relevant experience in such areas, who have previously acted as arbitrators, and
who are generally held in the highest regard among professionals in fields or
businesses related or pertinent to such area.  Judgment upon the award rendered
by the arbitrators may be entered pursuant to applicable arbitration statutes.

          (3) The arbitrators will have no authority to award punitive damages
nor any other damages not measured by the prevailing party's actual damages, and
may not, in any event, make any ruling, finding or award that does not conform
to the terms and conditions of this Agreement.

          (4) Neither the parties hereto nor the arbitrators may disclose the
existence or results of any arbitration under this Agreement or any evidence
presented during the course of the 

                                      -50-
<PAGE>
 
arbitration without the prior written consent of the parties, other than by
entry of a judgment upon any arbitration award.

          (5) The arbitrators will have the authority to award to the prevailing
party its attorneys' fees and costs incurred in any arbitration.  Absent any
such award, each party will bear its own costs incurred in the arbitration.  If
any party hereto refuses to submit to arbitration any Dispute required to be
submitted to arbitration pursuant to this Section 10.2, and instead commences
any other proceeding, including, without limitation, litigation (except to the
extent otherwise expressly provided in this Agreement), then the party who seeks
enforcement of the obligation to arbitrate will be entitled to its attorneys'
fees and costs incurred in any such proceeding.

     10.3  Transfer Taxes.    Sellers and Buyer shall each pay one-half of all
           --------------                                                     
state and local sales, documentary and other transfer Taxes, if any, due as a
result of the sale of Assets hereunder.

     10.4  Termination.
           ----------- 

          (1) Anything herein or elsewhere to the contrary notwithstanding, this
Agreement may be terminated by written notice of termination at any time before
the Closing Date only as follows:

               (1) by unanimous consent of the parties hereto;

               (2) on June 4, 1999, or if later, the Closing Date, by CCIC and
     Buyer, upon written notice to Powertel and Sellers if all of the conditions
     precedent set forth in Section 5.1 hereof have not been met as of such
     date;

               (3) by CCIC and Buyer as of the Closing Date if Powertel or
     Sellers shall have breached any of their covenants, agreements,
     representations, warranties or other obligations under this Agreement in
     any respect which would have a Material Adverse Effect taken as a whole on
     any of (A) the Assets, (B) the Assumed Liabilities, or (C) the ability of
     Powertel and Sellers to consummate the transactions contemplated hereby and
     such breach will not have been cured prior to the earlier to occur of (1)
     thirty days after notice of such breach, or (2) June 4, 1999, or if later,
     the Closing Date;

               (4) on June 4, 1999, or if later, the Closing Date, by Powertel
     and Sellers, upon written notice to CCIC and Buyer if all of the conditions
     precedent set forth in Section 5.2 hereof have not been met as of such
     date;

               (5) by Powertel and Sellers in connection with a Termination
     Notice pursuant to Section 4.2(a) or a termination pursuant to Section
     10.1(c); and

                                      -51-
<PAGE>
 
               (6) by Powertel and Sellers at any time prior to the Closing if
     CCIC and Buyer shall have breached any of their covenants, agreements,
     representations, warranties or other obligations under this Agreement
     (other than any breach pursuant to which Powertel and Sellers deliver a
     Termination Notice pursuant to Section 4.2(a)) in any material respect and
     such breach shall not have been cured and such breach will not have been
     cured prior to the earlier to occur of (1) thirty days after notice of such
     breach, or (2) June 4, 1999, or if later, the Closing Date.

          (2) In the event of the termination of this Agreement pursuant to the
provisions of this Section 10.4, this Agreement (except for Sections 6.1(i),
6.3(d), 4.3(c), 10.5 and 10.17 which shall continue) shall become void and have
no effect, without any liability on the part of any of the parties or their
directors, officers, stockholders, partners or representatives in respect of
this Agreement, unless the termination was the result of the representations and
warranties of a party being materially incorrect when made or the material
breach by such party of an agreement or covenant hereunder in which event the
party whose representations and warranties were incorrect or who breached such
agreement or covenant shall be liable to the other party for all costs and
expenses of the other party in connection with the preparation, negotiation,
execution and performance of this Agreement; provided, however, in the event
Powertel and Sellers receive an Early Termination Payment pursuant to Section
4.2(a) or liquidated damages pursuant to Section 10.1(c), they shall not be
entitled to receive any such costs and expenses.

          (3) In the event of the termination of this Agreement, the Escrow
Deposit shall be delivered to CCIC and Buyer, except as expressly provided in
Sections 4.2(a) and 10.1(c), upon the terms set forth in the Escrow Agreement.

     10.5  Expenses.    Except as otherwise provided in this Agreement, each
           --------                                                         
party hereto shall pay its own expenses incidental to the preparation of this
Agreement, the carrying out of the provisions of this Agreement and the
consummation of the transactions contemplated hereby.

     10.6  Entire Agreement.    This Agreement and the Transaction Documents set
           ----------------                                                     
forth the entire understanding of the parties hereto with respect to the
transactions contemplated hereby.  Any and all previous agreements and
understandings between or among the parties regarding the subject matter hereof,
whether written or oral, are superseded by this Agreement and the Transaction
Documents.

     10.7  Amendments.    This Agreement shall not be amended or modified except
           ----------                                                           
by a written instrument duly executed by each of the parties hereto.

     10.8  Waiver.    Any term or provision of this Agreement, or any breach
           ------                                                           
thereof, may be waived at any time by the party entitled to the benefit thereof
by a written instrument duly executed by such party; provided, however, that any
                                                     --------  -------          
waiver by any party of a breach of any term or provision of this Agreement shall
not operate or be construed as a waiver of any 

                                      -52-
<PAGE>
 
subsequent breach, whether or not similar, unless such waiver specifically
states that it is to be construed as a continuing waiver.

     10.9  Assignment and Binding Effect.    This Agreement may not be assigned
           -----------------------------                                       
by any party hereto without the prior written consent of the other parties,
provided that Buyer may assign any of its rights hereunder to any wholly-owned
(direct or indirect) subsidiary of Buyer.  Subject to the foregoing, all of the
terms and provisions of this Agreement shall be binding upon and inure to the
benefit of and be enforceable by the permitted successors and assigns of the
parties.  All references herein to any party shall be deemed to include any
successor to such party, including any corporate successor.

     10.10  Notices.    All notices, consents or other communications required
            -------                                                           
or permitted to be given under this Agreement shall be in writing and shall be
deemed to have been duly given when delivered personally, delivery charges
prepaid, or three (3) business days after being sent by registered or certified
mail (return receipt requested), postage prepaid, or one (1) business day after
being sent by a nationally recognized express courier service for next day
delivery, postage or delivery charges prepaid, to the parties at their
respective addresses stated below.  Notices may also be given by prepaid
telegram or facsimile and shall be effective on the date transmitted if
confirmed within twenty-four (24) hours thereafter by a signed original sent in
the manner provided in the preceding sentence.  Any party may change its address
for notice and the address to which copies must be sent by giving notice of the
new address to the other parties in accordance with this Section 10.10, except
that any notice of such change of address shall not be effective unless and
until received.

          (a)  If to CCIC or Buyer:

               Crown Castle International Corp.
               510 Bering Drive, Suite 500
               Houston, Texas 77057
               Attention:  Chief Executive Officer and General Counsel
               Fax No.: (713) 570-3150

               with required copies to:

               Singleton & Cooksey
               1600 Smith Street, Suite 4500
               Houston, Texas 77002
               Attention:  Taylor V. Cooksey
               Fax No.:  (713) 651-0251

                                      -53-
<PAGE>
 
          (b)  If to Powertel or Sellers:

               Powertel, Inc.
               1233 O. G. Skinner Drive
               West Point, Georgia 31833
               Attention:  Allen E. Smith and Jill F. Dorsey, Esq.
               Fax No.:  (706) 645-9523

               with required copies to:

               Nelson Mullins Riley & Scarborough, L.L.P.
               999 Peachtree St., N.E., Suite 1400
               First Union Plaza
               Atlanta, Georgia 30309
               Attention:  James Walker IV, Esq.
               Fax. No.:  (404) 817-6050

     10.11  Georgia Law to Govern.    This Agreement shall be governed by and
            ---------------------                                            
interpreted and enforced in accordance with the laws of the State of Georgia,
without regard to the principles of conflict of law thereof.

     10.12  No Benefit to Others.    Except as expressly provided herein, the
            --------------------                                             
representations, warranties, covenants and agreements contained in this
Agreement are for the sole benefit of the parties hereto and they shall not be
construed as conferring any rights or benefits on any other persons.

     10.13  Table of Contents; Headings.    The table of contents and all
            ---------------------------                                  
Section headings contained in this Agreement are for convenience of reference
only, do not form a part of this Agreement and shall not affect in any way the
meaning or interpretation of this Agreement.

     10.14  Schedules and Exhibits.    All Exhibits and Schedules referred to
            ----------------------                                           
herein are intended to be and hereby are specifically made a part of this
Agreement.

     10.15  Severability.    Any provision of this Agreement which is invalid or
            ------------                                                        
unenforceable in any jurisdiction shall be ineffective to the extent of such
invalidity or unenforceability without invalidating or rendering unenforceable
the remaining provisions hereof, and any such invalidity or unenforceability in
any jurisdiction shall not invalidate or render unenforceable such provision in
any other jurisdiction.

     10.16  Counterparts and Facsimile Execution.    This Agreement may be
            ------------------------------------                          
executed in any number of counterparts and any 

                                      -54-
<PAGE>
 
party hereto may execute any such counterpart, each of which when executed and
delivered shall be deemed to be an original and all of which counterparts taken
together shall constitute but one and the same instrument. This Agreement shall
become binding when one or more counterparts taken together shall have been
executed and delivered by the parties. It shall not be necessary in making proof
of this Agreement or any counterpart hereof to produce or account for any of the
other counterparts. Any party to this Agreement may evidence its execution of
this Agreement by facsimile transmission. This Agreement shall become binding on
all parties when it has become executed by all parties, whether evidenced by
original or facsimile signatures, or by a combination thereof. It shall not be
necessary in making proof of this Agreement or any counterpart hereof to produce
or account for all original signatures.

     10.17  Confidentiality.    The parties acknowledge the continuing
            ---------------                                           
applicability of the terms and provisions of that certain Agreement for Use and
Non-Disclosure of Proprietary Information dated October 23, 1998.

     10.18  Directly or Indirectly.    Any provision in this Agreement referring
            ----------------------                                              
to action to be taken by any Person, or that such Person is prohibited from
taking, shall be applicable whether such action is taken directly or indirectly
by such Person.

     10.19  Interpretation.    When a reference is made in this Agreement to an
            --------------                                                     
Article or Section, such reference shall be to an Article or Section of this
Agreement unless otherwise indicated.  Whenever the words "include," "includes"
or "including" are used in this Agreement, they shall be deemed to be followed
by the words "without limitation."  The words "hereof," "herein" and "hereunder"
and words of similar import when used in this Agreement shall refer to this
Agreement as a whole and not to any particular provision of this Agreement.  Any
agreement, instrument or statute defined or referred to herein or in any
agreement or instrument that is referred to herein means such agreement,
instrument or statute as from time to time amended, modified or supplemented,
including (in the case of agreements or instruments) by waiver or consent and
(in the case of statutes) by succession of comparable successor statutes and
references to all attachments thereto and instruments incorporated therein.
References to a Person are also to its permitted successors and assigns.

     10.20  Further Assurances.    Each of the parties hereto, from time to time
            ------------------                                                  
after the Closing, will execute, acknowledge and deliver such other instruments
of conveyance and transfer and will take such other actions and execute and
deliver such other documents, certifications and further assurances as any party
hereto may reasonably require to carry out, evidence and confirm the intended
purposes of this Agreement.

                                      -55-
<PAGE>
 
          IN WITNESS WHEREOF, the parties hereto have duly executed this
Agreement on the date first written.

                              CCIC:

                              CROWN CASTLE INTERNATIONAL CORP.


                              By: /s/ John L. Gwyn
                                  ------------------------------
                              Name:  John L. Gwyn
                                    ----------------------------
                              Title: Executive Vice President
                                     ---------------------------


                              BUYER:

                              CCP INC.


                              By: /s/ John L. Gwyn
                                  ----------------------------------------
                              Name:  John L. Gwyn
                                    --------------------------------------
                              Title: Executive Vice President
                                     -------------------------------------


                              SELLERS:

                              POWERTEL ATLANTA TOWERS, LLC


                              By: /s/ Fred G. Astor, Jr.
                                  ----------------------------------------
                              Name:  Fred G. Astor, Jr.
                                    --------------------------------------
                              Title: Vice President, Treasurer & Secretary
                                     -------------------------------------


                              POWERTEL BIRMINGHAM TOWERS, LLC


                              By: /s/ Fred G. Astor, Jr.
                                  ----------------------------------------
                              Name:  Fred G. Astor, Jr.
                                    --------------------------------------
                              Title: Vice President, Treasurer & Secretary
                                     -------------------------------------


                                      -56-
<PAGE>
 
                              POWERTEL JACKSONVILLE TOWERS, LLC



                              By: /s/ Fred G. Astor, Jr.
                                  ----------------------------------------
                              Name:  Fred G. Astor, Jr.
                                    --------------------------------------
                              Title: Vice President, Treasurer & Secretary
                                     -------------------------------------


                              POWERTEL KENTUCKY TOWERS, LLC



                              By: /s/ Fred G. Astor, Jr.
                                  ----------------------------------------
                              Name:  Fred G. Astor, Jr.
                                    --------------------------------------
                              Title: Vice President, Treasurer & Secretary
                                     -------------------------------------


                              POWERTEL MEMPHIS TOWERS, LLC



                              By: /s/ Fred G. Astor, Jr.
                                  ----------------------------------------
                              Name:  Fred G. Astor, Jr.
                                    --------------------------------------
                              Title: Vice President, Treasurer & Secretary
                                     -------------------------------------


                              POWERTEL:

                              POWERTEL, INC.



                              By: /s/ Fred G. Astor, Jr.
                                  ----------------------------------------
                              Name:  Fred G. Astor, Jr.
                                    --------------------------------------
                              Title: Vice President, Treasurer & Secretary
                                     -------------------------------------

                                      -57-


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