Document:

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                                                                     Exhibit 4.1

                         SECURITIES PURCHASE AGREEMENT
                         -----------------------------

     SECURITIES PURCHASE AGREEMENT (the "Agreement"), dated as of April 14,
                                         ---------
2000, by and among Grace Development Inc. d/b/a Avana Communications, Inc., a
Colorado corporation (the "Company"), and the purchasers set forth on the
                           -------
signature pages hereto (the "Purchasers").
                             ----------

                             PRELIMINARY STATEMENT
                             ---------------------

     The Company desires to obtain funds by issuing to the Purchasers the
following securities: (i) 12% Senior Secured Convertible Promissory Notes in the
principal amount of up to $15,275,000 (ii) up to 7,200,000 shares of Common
Stock of the Company (the "Sale Shares") and (iii) Warrants to purchase an
                           -----------
aggregate of up to 14,300,000 shares (subject to adjustment as provided in the
Warrants) of Common Stock of the Company at an exercise price of either $1.00
per share or $1.50 per share as described more fully in this Agreement (the
Convertible Notes, the Sale Shares and the Warrants are collectively referred to
herein as the "Securities"), and the Purchasers desire to purchase or have the
               ----------
option to purchase such Securities, subject to the terms and conditions set
forth in this Agreement.

     ACCORDINGLY, in consideration of the preceding preliminary statement and
the mutual agreements, covenants, representations and warranties contained in
this Agreement, the parties hereto, intending to be legally bound, now agree as
follows:

                             STATEMENT OF AGREEMENT
                             ----------------------

     ARTICLE 1.  CERTAIN DEFINITIONS.
                 -------------------

     "Affiliate" of any specified Person means any other Person which directly
      ---------
or indirectly through one or more intermediaries controls, or is controlled by,
or is under common control with, such specified Person. For the purposes of this
definition, "control" (including, with correlative meanings, the terms
"controlling," "controlled by," and "under common control with"), as used with
respect to any Person, means the possession, directly or indirectly, of the
power to direct or cause the direction of the management or policies of such
Person, whether through the ownership of voting securities, by agreement or
otherwise.

     "Agreement" means this Securities Purchase Agreement, by and among the
      ---------
Company and the Purchasers, as such may be amended, supplemented, restated or
otherwise modified from time to time.

     "Bankruptcy Law" means Title 11, United States Code or any similar federal
      --------------
or state law for the relief of debtors.

     "Business Day" means any day that is not a Saturday or Sunday or, as the
      ------------
context requires, (i) a day on which the applicable stock exchange or market is
required or permitted to
<PAGE>

be closed, or (ii) a day on which banks are required or permitted to be closed
in New York, New York.

     "Closing" and "Closing Date" have the meanings given to such terms in
      -------       ------------
Section 2.1 of this Agreement.

     "Code" shall mean the Internal Revenue Code of 1986, as amended.
      ----

     "Collateral" shall have the meaning given to such term in Section 2 of the
      ----------
Pledge Agreement.

     "Common Stock" means the common stock, no par value per share, of the
      ------------
Company.

     "Company" has the meaning given to such term in the preamble of this
      -------
Agreement.

     "Conversion Price" means $1.00 per share of Common Stock in the case of
      ----------------
Notes issued at the First, Second or Third Closings and $1.50 per share of
Common Stock for Notes issued at the Fourth Closing, as adjusted if and as
appropriate pursuant to the provisions of Article 9.

     "Distribution Event" means any insolvency, bankruptcy, receivership,
      ------------------
liquidation, reorganization or similar proceeding (whether voluntary or
involuntary) relating to the Company or its property, or any proceeding for
voluntary liquidation, dissolution or other winding up of the Company, whether
or not involving insolvency or bankruptcy.

     "Documents" means this Agreement, the Notes, the Warrants, the
      ---------
Registration Rights Agreement, the Guarantee Agreement, the Pledge Agreement and
the Finders Agreement, together with all amendments and supplements thereto, all
substitutions and replacements therefor, and all renewals, extensions,
increases, restatements, modifications, rearrangements and waivers thereof from
time to time.

     "Equity Interests" means, with respect to any Person, any and all
      ----------------
shares or other equivalents (however designated) of capital stock, partnership
interests or any other participation, right or other interests in the nature of
an equity interest in such Person or any option, warrant or other security
convertible into or exchangeable for any of the foregoing.

     "ERISA" shall mean the Employee Retirement Income Security Act of 1974, as
      -----
amended from time to time.

     "Event of Default" has the meaning given to such term in Section 8.1 of
      ----------------
this Agreement.

     "Exchange Act" means the Securities Exchange Act of 1934, as amended, or
      ------------
any similar federal statute, and the rules and regulations of the SEC
thereunder, all as the same shall be in effect from time to time.

     "Holder" and "Holders" both mean, as the context requires, the holder or
      ------       -------
holders of the Notes from time to time under the terms of this Agreement and the
other Documents. As of the Closing Date, the Purchasers are the only Holders.

                                       2
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     "Indebtedness" means (i) all indebtedness for money borrowed or
      ------------
evidenced by notes, bonds, debentures or similar evidences of indebtedness, (ii)
all indebtedness under leases that are or should be capitalized under generally
accepted accounting principles, (iii) all contingent obligations including
guarantees of indebtedness of others, and (iv) indebtedness representing the
deferred and unpaid purchase price of goods or services.

     "Lien" shall mean any mortgage, pledge, security interest, encumbrance,
      ----
lien or charge of any kind, including, without limitation, any conditional sale
or other title retention agreement, any lease in the nature thereof and the
filing of or agreement to give any financing statement under the Uniform
Commercial Code of any jurisdiction and including any lien or charge arising by
statute or other law.

     "Majority Holders" means the Holder(s) of a majority in aggregate principal
      ----------------
amount of Notes then outstanding.

     "Material Adverse Effect" shall mean any material and adverse effect on:
      -----------------------
(a) the business, condition (financial or otherwise), results of operations,
assets, liabilities or prospects of the Company and the Subsidiaries on a
consolidated basis and (b) the ability of the Company and the Subsidiaries to
perform their respective obligations under each of the Documents to which they
are parties.

     "NASD" means the National Association of Securities Dealers, Inc., or any
      ----
successor thereto.

     "Note" means the 12% Senior Secured Convertible Promissory Notes to be made
      ----
by the Company payable to the Purchasers in the form attached hereto as Exhibit
                                                                        -------
A, such Notes being in the aggregate original principal amount of up to
-
$15,275,000, together with all amendments and supplements thereto, all
substitutions and replacements therefor, and all renewals, extensions,
increases, restatements, modifications, rearrangements and waivers thereof from
time to time.

     "Permitted Liens" means, without duplication, (i) Liens in favor of
      ---------------
the Holders, (ii) Liens for taxes, assessments or governmental charges or claims
that are not yet delinquent or that are being contested in good faith by
appropriate proceedings promptly instituted and diligently conducted, provided,
                                                                      --------
however, that any reserve or other appropriate provision as shall be required in
-------
conformity with GAAP shall have been made therefor, (iii) landlords', carriers',
warehousemen's, mechanics', materialmen's, repairmen's or other like Liens
arising in the ordinary course of business (whether contractual, statutory or
constitutional in nature) and with respect to amounts which are not yet
delinquent or are being contested in good faith by appropriate proceedings with
appropriate reserves, (iv) pledges or deposits made in the ordinary course of
business in connection with (a) leases, performance bonds and similar
obligations, (b) workers' compensation, unemployment insurance and other social
security legislation, or (c) securing the performance of surety bonds and appeal
bonds required (1) in the ordinary course of business or in connection with the
enforcement of rights or claims of the Company or a Subsidiary thereof or (2) in
connection with judgments that do not give rise to an Event of Default, (iv)
easements, rights-of-way, restrictions, minor defects or irregularities

                                       3
<PAGE>

in title and other similar encumbrances which, in the aggregate, do not
materially detract from the value of the property subject thereto or materially
interfere with the ordinary conduct of the business of the Company or any
Subsidiary in connection therewith, (v) Liens securing capital lease obligations
permitted to be incurred under this Agreement, provided, however, that such Lien
                                               --------  -------
does not extend to any property other than that subject to the underlying lease,
(vi) Liens pursuant to leases and subleases of real property which do not
interfere with the ordinary conduct of the business of the Company or any of its
Subsidiaries and which are made on customary and usual terms applicable to
similar properties and do not extend to any property of the Company or a
Subsidiary other than the personal property located on such real property, (vii)
Liens resulting from the deposit of funds or government securities in trust for
the purpose of decreasing or defeasing Indebtedness of the Company and its
Subsidiaries as may be permitted hereunder, (viii) setoff, chargeback and other
rights of depository and collecting banks and other regulated financial
institutions with respect to money or instruments of the Company or its
Subsidiaries on deposit with or in the possession of such institutions, and (ix)
judgment or attachment Liens not giving rise to an Event of Default.

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

     "Purchase Price" means the amounts set forth on Schedule 2.1.
      --------------                                 ------------

     "Purchasers" has the meaning given to such term in the preamble of this
      ----------
Agreement.

     "Registration Rights Agreement" means a registration rights agreement by
      -----------------------------
and among the Company and the Purchasers in the form attached hereto as

Exhibit C, as amended, supplemented, restated or otherwise modified from time to
---------
time.

     "Sale and Lease-Back Transaction" means any arrangement with any Person
      -------------------------------
providing for the leasing by the Company or any Subsidiary of the Company of any
real or tangible personal property, which property has been or is to be sold,
conveyed or transferred by the Company or such Subsidiary to such Person in
contemplation of such leasing.

     "SEC" means the Securities and Exchange Commission of the United States of
      ---
America or any successor to the rights and duties thereof.

     "Securities" means the Notes, the Sale Shares and the Warrants.
      ----------

     "Securities Act" means the Securities Act of 1933, as amended, or any
      --------------
successor U.S. Federal statute, and all rules and regulations thereunder.

     "Subsidiaries" means all entities at least 50% of the outstanding Equity
      ------------
Interests of which are held by the Company or another direct or indirect
Subsidiary of the Company.

     "Subsidiary Guarantors" means the Subsidiaries of the Company parties to
      ---------------------
the Guarantee Agreement attached hereto as Exhibit D.
                                           ---------

                                       4
<PAGE>

     "TIA" means the Trust Indenture Act of 1939, as amended, or any successor
      ---
U.S. Federal statute, and all rules and regulations thereunder.

     "Warrant" and "Warrants" both mean, as the context requires, the stock
      -------       --------
purchase warrants to be issued by the Company to the Purchasers in the form
attached hereto as Exhibit B, together with all amendments and supplements
                   ---------
thereto, all substitutions and replacements therefor, and all renewals,
extensions, increases, restatements, modifications, rearrangements and waivers
thereof from time to time.

     ARTICLE 2.  ISSUANCE OF SECURITIES.
                 ----------------------

          Section 2.1  Sale and Purchase of Securities. Upon the terms and
                       -------------------------------
subject to the conditions herein contained, and in reliance on the covenants and
agreements of the Company contained herein, the Purchasers are purchasing from
the Company at the First Closing, and the Company is selling to the Purchasers,
Notes in the form of Exhibit A and Warrants in the form of Exhibit B in exchange
                     ---------                             ---------
for payment by wire transfer by the Purchasers of the amounts set forth beside
each Purchaser's name on Schedule 2.1, and the Sale Shares in exchange for
                         -------------
payment, by wire transfer by the Purchaser in the amounts set forth beside each
Purchaser's name on Schedule 2.1.  Acquisition of the Securities at the Second,
                    ------------
Third or Fourth Closing shall occur only at the election of the Purchasers to
consummate such Closing by written notice to the Company at least five days
prior to the date of such closing and the Purchasers may acquire such Securities
in such proportions as they may agree. In the event the Company prepays any of
the Notes, the Purchasers may reallocate the principal amount of Notes and
number of shares of Common Stock acquired at a subsequent Closing in their sole
discretion, subject to the limitations that in no event shall the aggregate
principal amount of outstanding Notes represent in excess of 100% of the
purchase price of outstanding Securities prior to consummation of the Second
Closing, 85.7% of the purchase price of outstanding Securities prior to
consummation of the Third Closing, 79.7% of the purchase price of outstanding
Securities prior to consummation of the Fourth Closing and 76.4% of the purchase
price of outstanding Securities after consummation of the Fourth Closing. The
number of shares of Common Stock issuable at any Closing or upon conversion of
the Notes or exercise of the Warrants and the conversion or exercise price
thereof shall be appropriately adjusted for stock splits, stock dividends and
other recapitalizations after the date of this Agreement as described herein and
in the Warrants.

          Section 2.2 Collateral and Ranking. As security for the repayment of
                      ----------------------
Notes, the Company shall grant to the Purchasers liens and security interests
on, in and to the collateral (the "Collateral") as set forth in the Notes. The
Notes shall be senior to any future Subordinated Indebtedness of the Company.

          Section 2.3  Closings.
                       --------

          (a) The first closing contemplated by this Agreement (the "First
                                                                     -----
Closing") shall take place at the New York offices of Akin, Gump, Strauss, Hauer
-------
& Feld, L.L.P., at noon New York time on April 14, 2000 or on such other date or
at such other time or place as the issuance of the Securities and the payment of
the Purchase Price therefor shall actually occur (the "First Closing Date"). At
                                                       ------------------
the First Closing, the Company will deliver to the Purchasers the Sale

                                       5
<PAGE>

Shares, the Notes and the Warrants subscribed for by the Purchasers, each
registered in the name of the Purchasers, against payment of the Purchase Price
therefor. At the First Closing, the Purchase Price shall be paid by wire
transfer.

          (b) The second, third and fourth closings (respectively, the
"Second Closing," "Third Closing," and "Fourth Closing" and, collectively with
 --------------    -------------        --------------
the First Closing, the "Closings" and each a "Closing"), shall, at the election
                        --------              -------
of the Purchasers, occur at noon New York time, on the four month, eight month
and one year anniversaries of the First Closing Date, respectively (or if any
such date is not a Business Day, the first Business Day occurring after such
date) at the New York offices of Akin, Gump, Strauss, Hauer & Feld, L.L.P. or on
such other date or at such other time or place as the parties shall mutually
agree (each, a "Closing Date" and, collectively, the "Closing Dates"). The
                ------------                          -------------
election of the Purchasers not to consummate a Closing after the First Closing
shall not in any way alter the rights of the Purchasers to elect to consummate
any subsequent Closing. At each Closing that occurs in accordance with the terms
of this Agreement, the Company will deliver to the Purchasers the Sale Shares,
the Notes and the Warrants subscribed for by the Purchasers, each registered in
the name of the Purchasers, against payment of the Purchase Price therefor.

          Section 2.4  Placement Fee. The Company shall pay to One Up
                       -------------
Ventures a placement fee equal to 7.7% of the purchase price of the Securities
issued by the Company pursuant to this Agreement. Such payment shall be made in
the form of shares of Common Stock pursuant to the provisions of the Finders
Agreement attached hereto as Exhibit G (the "Finders Agreement") and shall be
                             ---------      -------------------
subject to the terms of the Finders Agreement. The Company hereby indemnifies
the Purchasers against such fees and all other fees payable to any broker,
agent, finder or investment banker.

          Section 2.5  Transaction Fee. At the First Closing, the Company shall
                       ---------------
issue to the Purchasers an aggregate of 3,000,000 shares of Common Stock as a
transaction fee in the proportions set forth in Schedule 2.1.
                                                ------------

     ARTICLE 3.  PURCHASERS' REPRESENTATIONS AND WARRANTIES.
                 ------------------------------------------

     The Purchasers hereby represent and warrant to the Company as follows as of
the date hereof and as of each Closing Date:

          Section 3.1  Organization and Powers. Each Purchaser is, if a
                       -----------------------
partnership or corporation, (i) duly organized, validly existing and in good
standing under the laws of the State of its formation, and (ii) has the power
and authority to execute, deliver and perform the Documents to which it is a
party.

          Section 3.2  Authorization. The execution, delivery and performance by
                       -------------
the Purchaser of the Documents to which it is a party (i) have been duly
authorized by the Purchaser by all requisite action necessary to be taken by it,
(ii) will not violate and has not violated in such a way as to have a Material
Adverse Effect (A) any provision of law, statute, rule or regulation, (B) any
applicable judgment, writ, injunction, decree or other order of any governmental
authority, or (C) the articles of incorporation or bylaws of the Purchaser, or
any material

                                       6
<PAGE>

agreement to which the Purchaser is a party, and (iii) will not be or result in,
and has not caused, a conflict with, a breach of or (with notice or lapse of
time or both) a default under any material agreement to which the Purchaser is a
party.

          Section 3.3  Validity and Binding Nature. The Documents to which each
                       ---------------------------
Purchaser is a party have been duly executed and delivered by such Purchaser and
each is a legal, valid and binding obligation of such Purchaser, enforceable
against such Purchaser in accordance with its terms (except as enforcement
thereof may be limited by bankruptcy, reorganization, insolvency, moratorium or
other laws or equitable principles affecting the enforcement of creditors'
rights generally).

          Section 3.4  Acquisition for Investment. Each Purchaser is acquiring
                       --------------------------
the Securities (and all securities into which the Securities are convertible or
exercisable) solely for its own account for the purpose of investment and not
with a view to or for sale in connection with any distribution thereof, and such
Purchaser does not have a present intention or plan to effect any distribution
of the Securities (or such other securities). Notwithstanding anything in this
Section to the contrary, the disposition of each Purchaser's property shall be
at all times within the control of such Purchaser and subject to the rights of
such Purchaser to dispose of all or any of the Securities (or such other
securities) pursuant to an effective registration statement under the Securities
Act or an exception available under the Securities Act.

          Section 3.5  Accredited Investor; Sophistication. Each Purchaser is an
                       -----------------------------------
"accredited investor" within the meaning of Rule 501 under the Securities Act
and is able to bear the economic risk of this investment in the Securities, at
the present time, is able to afford a complete loss of such investment and has
no present need for liquidity with respect to such investment. Each Purchaser
has such knowledge, sophistication and experience in business and financial
matters that it is capable of evaluating the merits and risks of the prospective
investment in the Securities.

          Section 3.6  No General Solicitation. To each Purchaser's knowledge,
                       -----------------------
the Securities were not offered to such Purchaser by means of general
solicitations, publicly disseminated advertisements or sales literature.

          Section 3.7  Address. The true and correct address of the Purchasers'
                       -------
principal place of business is as set forth on Schedule 2.1. If applicable, each
                                               ------------
Purchaser has supplied its federal tax identification number to the Company.
Each Purchaser has no present intention of moving its principal place of
business to any other state or jurisdiction.

          Section 3.8  No Brokers.  The Purchasers have not employed any broker,
                       ----------
agent, finder or investment banker in connection with any transaction
contemplated by the Documents.

          Section 3.9  Economic Risk.  Each Purchaser is aware that the business
                       -------------
of the Company involves significant and material economic variables and risks
that could adversely affect its investment in the Securities.

                                       7
<PAGE>

          Section 3.10  No Prospectus or Offering Circular.  Each Purchaser
                        ----------------------------------
understands that no prospectus, offering circular or other offering statement
containing information with respect to the Company and the Securities or with
respect to the Company's business is being issued and each Purchaser has made
its own inquiry and analysis with respect to the Company, the Securities, the
Company's business and other material factors affecting the investment in the
Securities.

          Section 3.11  Access to Information; Independent Investigation.  Each
                        ------------------------------------------------
Purchaser acknowledges that it has either been supplied with or has had access
to information to which a reasonable investor would attach significance in
making investment decisions and each Purchaser has had the opportunity to ask
questions of, and receive answers from, knowledgeable individuals concerning the
Company, its business and the Securities so that as a reasonable investor, each
Purchaser has been able to make an informed decision to purchase the Securities.
In determining to proceed with this investment, each Purchaser has relied solely
upon the results of its own independent investigation with respect to the
Securities, the Company and its business and upon the representations and
statements of the Company set forth in the Documents.  Such representations and
statements by the Company constitute the sole and exclusive representations,
warranties, covenants and statements of the Company and its officers, directors,
shareholders and other affiliates to each Purchaser in connection with this
investment, and each Purchaser understands, acknowledges and agrees that all
other representations, warranties, covenants and statements of any kind or
nature, whether oral or contained in any writing other than this Agreement are
specifically disclaimed by the Company.

          Section 3.12  Private Placement of Unregistered Securities.  Each
                        --------------------------------------------
Purchaser understands that the Securities (a) are not being registered (or, with
respect to state securities or "Blue Sky" laws, otherwise qualified for sale)
under the Securities Act or under the securities or "Blue Sky" laws and
regulations of any state including, without limitation, Section 10-5-5 of the
Georgia Securities Act of 1973, in reliance upon exemptions from registration,
(b) will not be traded in any securities market, (c) will not be readily
marketable and (d) cannot be sold, transferred or otherwise disposed of unless
subsequently registered under the Securities Act and applicable state securities
or "Blue Sky" laws or pursuant to an exemption from such registration which is
available at the time of desired sale, and will bear a legend to that effect.

          Section 3.13  Restrictions on Transfer of Securities.  Each Purchaser
                        --------------------------------------
acknowledges and agrees that it may not, directly or indirectly, sell, assign,
pledge, give, subject to lien or security interest or otherwise dispose of or
encumber any of the Securities except in compliance with applicable securities
laws and the terms of the Securities.

          Section 3.14  Risk Factors.  Each Purchaser has considered the
                        ------------
following risks, among others, in making this investment:

          (a) There are a number of companies that currently compete with the
Company.  Many of these companies have far greater capital, marketing and other
resources than the Company.  Furthermore, there can be no assurance that these
or other companies or firms will

                                       8
<PAGE>

not develop new or enhanced products that are more effective than any that have
been or may be developed by the Company.

          (b) The markets for telecommunications equipment and services are
subject to rapid technological change.  As more technologically advanced
platforms for such products emerge, the Company may be required to alter the
design, production and delivery of is products and services in a way in which it
is incapable of doing.

          (c) The Company's targeted customers may not accept the Company as an
alternative provider of local telecommunications products and related services.
On the other hand, general acceptance of such a system may encourage competition
by companies or firms with greater resources to develop, sell and service their
products and service offerings.

     ARTICLE 4.  COMPANY'S REPRESENTATIONS AND WARRANTIES.
                 ----------------------------------------

     The Company hereby represents and warrants to the Purchasers as follows as
of the date hereof and as of each Closing Date:

          Section 4.1  Organization and Powers. Each of the Company and its
                       -----------------------
subsidiaries (i) is a corporation duly organized, validly existing and in good
standing under the laws of its state of organization, (ii) has all requisite
corporate power and authority to own its property and assets and to carry on its
business as now conducted and as proposed to be conducted, (iii) is duly
qualified to conduct business in each jurisdiction where such qualification is
necessary, except where the failure to be so qualified would not have a Material
Adverse Effect and (iv) has the power and authority to execute, deliver and
perform the Documents to which it is a party.

          Section 4.2  Authorization. The execution, delivery and performance by
                       -------------
the Company of the Documents to which it is a party (i) have been duly
authorized by the Company by all requisite action necessary to be taken by it,
(ii) will not violate and has not violated in such a way as to have a Material
Adverse Effect (A) any provision of law, statute, rule or regulation, (B) any
applicable judgment, writ, injunction, decree or other order of any governmental
authority, or (C) the articles of incorporation or bylaws of the Company, or any
material agreement to which the Company is a party, and (iii) will not be or
result in, and has not caused, a conflict with, a breach of or (with notice or
lapse of time or both) a default under any material agreement to which the
Company is a party.

          Section 4.3  Validity and Binding Nature. This Agreement has been duly
                       ---------------------------
executed and delivered by the Company and is, and each of the other Documents,
when executed and delivered by the Company will be, a legal, valid and binding
obligation of the Company, enforceable against the Company in accordance with
its terms (except as enforcement thereof may be limited by bankruptcy,
reorganization, insolvency, moratorium or other laws or equitable principles
affecting the enforcement of creditors' rights generally).

          Section 4.4  Consents, Licenses, Filings, Etc. Except as required
                       ---------------------------------
under the Securities Act and applicable state securities laws, no action,
consent or approval of, license or

                                       9
<PAGE>

permit from, or registration or filing with, or any other action by any
governmental authority or any other Person was or is required in connection with
the execution, delivery and performance by the Company of the Documents.

          Section 4.5  No Brokers. Other than One Up Ventures (whose fee shall
                       ----------
be paid by the Company in accordance with the terms of the Finders Agreement),
the Company has not employed any broker, agent, finder or investment banker in
connection with any transaction contemplated by the Documents.

          Section 4.6  Capitalization. The capitalization of the Company as of
                       --------------
the date of this Agreement, including the authorized capital stock, the number
of shares issued and outstanding, the number of shares reserved for issuance
pursuant to the Company's stock option plans, the number of shares reserved for
issuance pursuant to securities (other than the Note and the Warrant)
exercisable for, or convertible into or exchangeable for any shares of Common
Stock and the number of shares to be initially reserved for issuance upon
exercise of the Note and the Warrant ("Note Shares" and "Warrant Shares",
                                       -----------       --------------
respectively) is set forth on Schedule 4.6 attached hereto. All of such
                              ------------
outstanding shares of capital stock have been, or upon issuance will be, validly
issued, fully paid and non-assessable. Except as disclosed in Schedule 4.6, no
                                                              ------------
shares of capital stock of the Company (including the Note Shares and the
Warrant Shares) are subject to preemptive rights or any other similar rights of
the stockholders of the Company. Except as disclosed in Schedule 4.6 or in the
                                                        ------------
SEC Documents (as defined herein), as of the date of this Agreement, there are
no outstanding options, warrants, scrip, rights to subscribe for, calls or
commitments of any character whatsoever relating to, or securities or rights
convertible into or exercisable or exchangeable for, any shares of capital stock
of the Company or any of its subsidiaries, or contracts, commitments,
understandings or arrangements by which the Company or any of its subsidiaries
is or may become bound to issue additional shares of capital stock of the
Company or any of its subsidiaries. The Company has furnished to the undersigned
true and correct copies of the Company's Articles of Incorporation as currently
in effect ("Articles of Incorporation"), and the Company's Bylaws as currently
in effect (the "Bylaws"). The Company has set forth on Schedule 4.6 or as a part
                                                       ------------
of the SEC Documents all instruments and agreements (other than the Articles of
Incorporation and Bylaws) governing securities convertible into or exercisable
or exchangeable for Common Stock (and the Company shall provide to the
undersigned copies thereof upon the request of the undersigned). Except as
disclosed in Schedule 4.6, the SEC Documents or this Agreement, (x) the Company
             ------------
has no indebtedness for borrowed money and no agreement providing for
indebtedness for borrowed money, (y) the Company has no share purchase
agreements, rights plans or agreements containing similar provisions and no
agreements containing anti-dilution provisions, and (z) no anti-dilution
provisions which have, individually or in the aggregate, any dilutive effect on
the undersigned's investment are triggered as a result of any of the
transactions contemplated hereby, including conversion of the Note or exercise
of the Warrant. The Company has no Subsidiaries, except as provided on Schedule
                                                                       --------
4.6. All such Subsidiaries included on Schedule 4.6 are 100% owned by the
---                                    ------------
Company. Except as provided on Schedule 4.6, the Company has no investments,
                               ------------
either debt or equity, in any other entity.

                                       10
<PAGE>

          Section 4.7  Issuance of Shares. The Sale Shares and the Common Stock
                       ------------------
issuable upon conversion of the Notes or exercise of the Warrants have been duly
authorized and when issued in accordance with the terms of the Documents shall
be validly issued, fully paid and non-assessable.

          Section 4.8  SEC Documents; Financial Statements. The Company's common
                       -----------------------------------
stock is registered under Section 12 of the Exchange Act and has been so
registered since September 28, 1999. Except as disclosed on Schedule 4.8A, since
                                                            -------------
September 28, 1999, the Company has timely filed all reports, schedules, forms,
statements and other documents required to be filed by it with the SEC pursuant
to the reporting requirements of the Exchange Act (all of the foregoing filed
after such date prior to the date hereof and all exhibits included therein and
financial statements and schedules thereto and documents (other than exhibits)
incorporated by reference therein, together with the draft Form 10-K for the
fiscal year ended December 31, 1999 attached hereto as Schedule 4.8B (the "Draft
                                                       -------------       -----
10-K") being hereinafter referred to herein as the "SEC Documents"). The Company
----                                                -------------
has delivered to the Purchaser true and complete copies of the SEC Documents,
except for such exhibits, schedules and incorporated documents. As of their
respective dates, the SEC Documents complied in all material respects with the
requirements of the Exchange Act and the rules and regulations of the SEC
promulgated thereunder applicable to such SEC Documents, and none of the SEC
Documents, at the time they were filed with the SEC, or the Draft 10-K contained
any untrue statement of a material fact or omitted to state a material fact
required to be stated therein or necessary in order to make the statements
therein, in light of the circumstances under which they were made, not
misleading. As of their respective dates, the financial statements of the
Company included in the SEC Documents complied as to form in all material
respects with applicable accounting requirements and the published rules and
regulations of the SEC with respect thereto. Such financial statements have been
prepared in accordance with generally accepted accounting principles applied on
a consistent basis during the periods involved (except (i) as may be otherwise
indicated in such financial statements or the notes thereto or (ii) in the case
of unaudited statements to the extent they may not include footnotes or may be
condensed or summary statements) and fairly present in all material respects the
consolidated financial position of the Company and its consolidated subsidiaries
as of the dates thereof and the consolidated results of their operations and
cash flows for the periods then ended (subject, in the case of unaudited
statements, to normal year-end audit adjustments).

          Section 4.9  Compliance with Laws.  The business and operations of the
                       --------------------
Company and the Subsidiaries have been and are being conducted in compliance
with all applicable state and local laws, ordinances, rules, regulations and
orders except those laws, ordinances, rules, regulations and orders the failure
with which to comply would not, in the aggregate, have a Material Adverse
Effect.

          Section 4.10  Absence of Certain Changes or Events.  Except as
                        ------------------------------------
contemplated by this Agreement or as set forth on Schedule 4.10 or in the SEC
                                                  -------------
Documents, since December 31, 1999 to the date hereof, there has not been (a)
any change having a Material Adverse Effect; (b) any damage, destruction or
loss, whether covered by insurance or not, having a Material Adverse Effect; (c)
any entry by the Company or any of the Subsidiaries into any commitment or
transaction material to the Company or any of the Subsidiaries which is not in
the ordinary

                                       11
<PAGE>

course of business; (d) any change by the Company or any of the Subsidiaries in
accounting principles or methods except insofar as may be required by a change
in generally accepted accounting principles; or (e) any declarations, payment or
setting aside for payment of any dividends.

          Section 4.11  Certain Liabilities.  Except as reflected in the
                        -------------------
Company's financial statements included in filings with the Securities and
Exchange Commission (the "Commission") and as set forth on Schedule 4.11, the
                          ----------                       -------------
Company and the Subsidiaries have no material liabilities, absolute, accrued,
contingent or otherwise and whether due or to become due, and whether known or
unknown.  Since December 31, 1999 to the date hereof, the Company and the
Subsidiaries have not incurred any such material liabilities (whether or not
required by generally accepted accounting principles to be disclosed on a
corporate balance sheet or the notes thereto and whether known or unknown)
except liabilities incurred in the ordinary course of business, liabilities
which are fully covered by insurance and liabilities which are not reasonably
likely to have a Material Adverse Effect.

          Section 4.12  Contracts.  Listed in the exhibits to SEC Documents and
                        ---------
on Schedule 4.12 or Schedule 4.6 are all material contracts of the Company and
   -------------    ------------
the Subsidiaries.  Neither the Company nor any of the Subsidiaries is in default
under any such contract, understanding, commitment and agreement which default
would have a Material Adverse Effect.  Neither the Company nor any of the
Subsidiaries has waived any right under any such contract, understanding,
commitment and agreement so as to cause a Material Adverse Effect.  All such
contracts, understandings, commitments and agreements are valid and enforceable
by the Company and the Subsidiaries subject to any restrictions under applicable
bankruptcy, insolvency, reorganization or other laws and judicial decisions of
general application relating to or affecting the enforcement of creditors'
rights generally or by general equitable principles.  Neither the Company nor
any of the Subsidiaries is a party to or otherwise bound by the provisions of a
collective bargaining agreement.

          Section 4.13  Litigation.  Except as set forth on Schedule 4.13, there
                        ----------                          -------------
are no actions, suits, government investigations, or legal, administrative,
arbitration or other proceedings pending or, to the best knowledge of the
Company, threatened against the Company or any of the Subsidiaries, nor is the
Company or any of the Subsidiaries or their respective properties subject to any
order, judgment, injunction or decree, except for (i) matters that involve
claims fully covered by insurance or for which the Company has provided adequate
reserves on its balance sheet as of December 31, 1999, or (ii) matters that, in
the aggregate, would not have any Material Adverse Effect.

          Section 4.14  Title to Property.  The Company and the Subsidiaries
                        -----------------
have good and, in the case of real property, marketable title to all of their
respective material properties (except for property sold or otherwise disposed
of in the ordinary course of business) free of any Liens, except for (i) Liens
disclosed in the Company's financial statements included in filings with the
Commission, (ii) statutory liens not yet delinquent, (iii) Permitted Liens and
(iv) Liens that do not have a Material Adverse Effect.

                                       12
<PAGE>

          Section 4.15  Tax Returns and Audits. The Company and the Subsidiaries
                        ----------------------
have duly filed all income, franchise and other federal, state and local tax
returns, notices and reports which they individually or collectively have been
or are required to file except where the failure to file such returns would not
have a Material Adverse Effect.  The provisions for federal, state and local
taxes reflected in the financial statements included in the SEC Documents, as
they relate to the Company, are adequate to cover the liabilities of the Company
for such taxes with respect to the periods then ended and for all prior periods.

          Section 4.16  Employee Benefit Plans.
                        ----------------------

          (a) "Employee Plans" shall be defined to include all employee welfare
benefit plans (as defined in Section 3(1) of ERISA), employee pension benefit
plans (as defined in Section 3(2) of ERISA) and all bonus, stock option, stock
purchase, benefit, profit sharing, savings, vacation, retirement, disability,
insurance, incentive, deferred compensation and other similar fringe or employee
benefit plans, programs or arrangements for the benefit of, or relating to, any
employee of the Company or the Subsidiaries which the Company or the
Subsidiaries contribute to or maintain.

          (b) All Employee Plans and their related trusts have been and are
maintained in material compliance with applicable requirements of ERISA, the
Code and all other federal and state statutes and regulations relating to
employee benefit plans.

          (c) Neither the Company, nor any Subsidiary, nor the administrator of
any Employee Plan has engaged in a "prohibited transaction" (as such term is
defined in Section 406 of ERISA or Section 4975 of the Code) with respect to an
Employee Plan which could subject the Company or the administrator of any
Employee Plan to the tax on, or any other penalty or sanction with respect to,
prohibited transactions imposed by Section 502 of ERISA or Section 4975 of the
Code except for any such penalty or sanction that would not have a Material
Adverse Effect.

          (d) No Employee Plan which is subject to Section 412 of the Code has
had a material "accumulated funding deficiency" (as such term is defined in
Section 412 of the Code), whether or not waived, as of the last day of the most
recent plan year, and no material unsatisfied liability (other than for
premiums) to the Pension Benefit Guaranty Corporation ("PBGC") has been incurred
with respect to any Employee Plan by the Company or the Subsidiaries.  No
Employee Plan to which this Subsection 4.16(d) applies would have a material
accumulated funding deficiency or would subject the Company or the Subsidiaries
to any liability to the PBGC if such Employee Plan were to be terminated as of
the Closing Date.

          (e) Except as a result of the transactions contemplated herein,
neither the Company nor any of the Subsidiaries knows or has any reasonable
grounds to know of any event threatened or about to occur which would constitute
a "reportable event" (as that term is defined in Section 4043(b) of ERISA) with
respect to any Employee Plan, but excluding any event for which reporting has
been waived by regulation, and, except as provided on Schedule 4.16, to the
                                                      -------------
knowledge of the Company, no notice of termination has been filed by the plan
administrator of

                                       13
<PAGE>

any Employee Plan pursuant to Section 4041 of ERISA or has been issued by the
PBGC pursuant to Section 4042 of ERISA with respect to any Employee Plan.

          (f) Except as provided on Schedule 4.16, each Employee Plan intended
                                    -------------
to be "qualified" within the meaning of  Section 401(a) of the Code has been
determined to be so qualified by the appropriate District Director of the
Internal Revenue Service.  No such Employee Plan has lost its qualified status
and, to the best knowledge of the Company and the Subsidiaries, there are no
facts which would adversely affect the qualified status of any Employee Plan.

          (g) There is no pending or, to the knowledge of the Company,
threatened legal action, proceeding or investigation against or involving any
Employee Plan, and, to the knowledge of the Company and the Subsidiaries, there
is no basis for any such legal action, proceeding or investigation.  Neither the
Company nor any of the Subsidiaries is in default in performing any of their
contractual obligations with respect to any Employee Plan.

          (h) The Company does not maintain a "multiemployer plan" within the
meaning of Section 3(37) of ERISA.

          (i) Except as provided on Schedule 4.16, neither the Company nor any
                                    -------------
of the Subsidiaries has any material liability with respect to any "employee
benefit plan," as defined in Section 3(3) of ERISA, currently or formerly
maintained by the Company.

          Section 4.17  Intellectual Property.  Except as set forth on Schedule
                        ---------------------                          --------
4.17 (which schedule shall include correspondence involving the dispute on the
----
"WebWizard" name), each of the Company and its Subsidiaries owns or possesses
adequate and enforceable rights to use all patents, patent applications,
trademarks, trademark applications, trade names, service marks, copyrights,
copyright applications, licenses, know-how (including trade secrets and other
unpatented and/or unpatentable proprietary or confidential information, systems
or procedures) and other similar rights and proprietary knowledge (collectively,
"Intangibles") used or necessary for the conduct of its business as now being
conducted and as previously described in the SEC Documents except where the
failure to own or possess such rights would not have a Material Adverse Effect.
Neither the Company nor any Subsidiary of the Company infringes on or is in
conflict with any right of any other person with respect to any Intangibles nor
is there any claim of infringement made by a third party against or involving
the Company or any of its subsidiaries, which infringement, conflict or claim,
individually or in the aggregate, if the subject of an unfavorable decisions,
ruling or finding, would have a Material Adverse Effect.

          Section 4.18  Registration Rights.  Neither the Company nor any of the
                        -------------------
Subsidiaries has agreed to register under the Securities Act any of its
authorized or outstanding securities except pursuant to this Agreement or as set
forth in Schedule 4.18 or in the SEC Documents.
         -------------

          Section 4.19  Full Disclosure.  No representation or warranty by the
                        ---------------
Company and the Subsidiaries in the Documents and no information contained in
any of the Schedules and Exhibits hereto, contains any untrue statement of a
material fact or omits to state a material fact

                                       14
<PAGE>

necessary to make the statements made and information contained herein or
therein, in light of the circumstances under which they were made, not
misleading.

     ARTICLE 5.  PURCHASERS' CONDITIONS TO CLOSING.
                 ---------------------------------

     Each Purchaser's obligation to purchase and pay for Securities at a Closing
is subject to the fulfillment to such Purchaser's satisfaction, on or before the
applicable Closing Date, of each of the following conditions:

          Section 5.1  Expiration Date. The First Closing Date shall have
                       ---------------
occurred on or before April 14, 2000.

          Section 5.2  Securities. Each Purchaser shall have received the
                       ----------
Securities required to be delivered by the Company to such Purchaser on such
Closing Date pursuant to Article 2 of this Agreement, each duly executed and
delivered by the Company.

          Section 5.3  Registration Rights Agreement. Each Purchaser shall have
                       -----------------------------
received the Registration Rights Agreement, duly executed and delivered by the
Company.

          Section 5.4  Subsidiary Guarantee. Each Purchaser shall have received
                       --------------------
the Guarantee Agreement, a form of which is attached hereto as Exhibit D, duly
                                                               ---------
executed and delivered by the Subsidiary Guarantors.

          Section 5.5  Representations and Warranties; Covenants; Events of
                       ----------------------------------------------------
Default. (i) The representations and warranties of the Company contained in this
-------
Agreement and the other Documents shall be true and correct in all material
respects on and as of the Closing Date with the same effect as though such
representations and warranties had been made on the Closing Date, except to the
extent of any changes caused by the transactions herein contemplated or
disclosed in documents filed with the SEC at least six days prior to such
Closing Date or otherwise disclosed in writing to Purchasers, (ii) the Company
shall not be in material breach of any covenant contained in the Documents,
(iii) no Event of Default shall have occurred and be continuing, and (iv) the
Company shall have delivered to each Purchaser an officer's certificate to the
effect of clauses (i), (ii) and (iii) and to the effect that all of the
conditions to such Purchaser's obligation to purchase Securities at such Closing
have been fulfilled as of such Closing Date.

          Section 5.6  Transactions Permitted by Applicable Laws. The Closing
                       -----------------------------------------
and the other transactions contemplated by this Agreement shall not violate any
applicable law or governmental regulation or result in a violation of any order
of any court or governmental body applicable to the Purchasers or the Company or
the Subsidiaries and shall not subject the Purchasers or the Company to any tax,
penalty or liability.

          Section 5.7  No Adverse Action or Decision. There shall be no action,
                       -----------------------------
suit, investigation or proceeding pending, or, to the best of the Purchasers'
knowledge, threatened against or affecting the Purchasers or the Company or any
of their respective properties that (i) seeks to restrain, enjoin, prevent the
consummation of or otherwise affect the Closing or the

                                       15
<PAGE>

other transactions contemplated by this Agreement, or (ii) questions the
validity or legality of any such transactions or seeks to recover damages or to
obtain other relief in connection with any such transactions.

          Section 5.8  Approvals and Consents. The Company shall have duly
                       ----------------------
received all authorizations, consents, approvals, licenses, franchises, permits
and certificates by or of, and shall have made all filings and effected all
registrations and qualifications with, all federal, state and local governmental
authorities and other Persons (including, to the extent applicable, the
Company's shareholders) necessary for the consummation of such Closing and the
other transactions contemplated by this Agreement, and all such matters shall be
in full force and effect as of such Closing Date and in a form reasonably
satisfactory to Purchasers.  The Company shall have received waivers in a form
reasonably acceptable to Purchasers under any contracts that  require payments
to third parties as a result of the consummation of the transactions
contemplated hereby.

          Section 5.9  Proceedings. All corporate and other proceedings to be
                       -----------
taken by the Company and the Subsidiaries in connection with the transactions
contemplated hereby and all documents incident thereto shall be reasonably
satisfactory in substance and form to the Purchaser.

          Section 5.10  Legal Opinion. The Purchasers shall have received on the
                        -------------
Closing Date an opinion, dated the Closing Date, in form and substance
satisfactory to the Purchasers and counsel for the Purchasers, of Hunton &
Williams, counsel for the Company and the Subsidiaries, substantially in the
form of Exhibit E.
        ---------

          Section 5.11  Lien Documents. At Closing and thereafter as the
                        --------------
Purchasers deem necessary in their sole discretion, the Company shall execute
and deliver, or have executed and delivered, to the Purchasers (all in form and
substance satisfactory to the Purchasers in their sole discretion):

          (a) Pledge Agreement substantially in the form of Exhibit F;
                                                            ---------

          (b) Guarantee Agreement substantially in the form of Exhibit D;
                                                               ---------

          (c) UCC-1 financing statements pursuant to the Uniform Commercial Code
in effect in the jurisdiction(s) in which the Company operates, which the
Purchasers may file in any jurisdiction where any Collateral is or may be
located and in any other jurisdiction that the Purchasers deem appropriate;
provided that a carbon, photographic, or other reproduction or other copy of the
--------
Securities Purchase Agreement or of a financing statement is sufficient as and
may be filed in lieu of a financing statement; and

          (d) any other agreements, documents, instruments, and writings
reasonably deemed necessary by the Purchasers or as any Purchaser may otherwise
request from time to time in its reasonable discretion to evidence, perfect, or
protect the Purchasers' lien on and security interest in the Collateral required
pursuant to the Note and this Agreement.

                                       16
<PAGE>

          Section 5.12  Second, Third and Fourth Closings. In the case of the
                        ---------------------------------
Second, Third and Fourth Closings, the Purchasers shall have delivered notice to
the Company of the Purchasers' intent to consummate such Closing pursuant to
Section 2.1.
-----------

     ARTICLE 6.  COMPANY'S CONDITIONS TO CLOSING.
                 -------------------------------

     The obligation of the Company to issue and sell Securities to the
Purchasers is subject to the fulfillment to the satisfaction of the Company, on
or before each Closing Date, of each of the following conditions:

          Section 6.1   Purchase Price. The Company shall have received payment
                        --------------
in full of the Purchase Price for the Securities acquired on such Closing Date.

          Section 6.2   Representations and Warranties; Covenants. (i) The
                        -----------------------------------------
representations and warranties of the Purchasers contained in this Agreement
shall be true and correct in all material respects on and as of such Closing
Date with the same effect as though such representations and warranties had been
made on such Closing Date, except to the extent of any changes caused by the
transactions herein contemplated, and (ii) the Purchasers shall not be in
material breach of any covenant contained in the Documents.

          Section 6.3   No Adverse Action or Decision. There shall be no action,
                        -----------------------------
suit, investigation or proceeding pending, or, to the best of the Company's
knowledge, threatened against or affecting the Purchasers or the Company or any
of their respective properties before any court, arbitrator or administrative or
governmental body that (i) seeks to restrain, enjoin, prevent the consummation
of or otherwise affect the Closing or the other transactions contemplated by
this Agreement, or (ii) questions the validity or legality of any such
transactions or seeks to recover damages or to obtain other relief in connection
with any such transactions.

     ARTICLE 7.  COVENANTS.
                 ---------

     The Company hereby covenants and agrees with the Purchasers and the
Majority Holders that, so long as the principal of or interest on any Note shall
be unpaid:

          Section 7.1   Certain Restrictions. While any Notes remain
                        --------------------
outstanding, without the prior written consent of the Majority Holders, the
Company will not, and will not permit any of its Subsidiaries to, directly or
indirectly:

          (a)    Indebtedness. Create or suffer to exist any direct, indirect,
                 ------------
fixed, or that of contingent liability for, or incur, any Indebtedness with an
effective cash interest rate higher than the Notes or with a maturity date on or
before that of the Notes other than the maturity date of existing Indebtedness
as of the date of this Agreement and other than (i) operating leases for
equipment other than telecommunications equipment not in excess of $100,000 at
any one time outstanding, (ii) operating leases for telecommunications equipment
or other capital leases entered into in the ordinary course of business with
unaffiliated third parties, (iii) Indebtedness of entities acquired by the
Company existing at the time of acquisition and (iv) current liabilities
incurred in the ordinary course of business.

                                       17
<PAGE>

          (b)    Liens. In any way pledge, hypothecate, or grant a Lien on any
                 -----
of the assets of the Subsidiary Guarantors to any Person, except the Permitted
Liens or transfer any of the assets of the Subsidiary Guarantors to any other
Subsidiary of the Company except in the ordinary course of business.

          (c)    Sale of Assets. Sell, lease, or otherwise dispose of all or any
                 --------------
material part of its assets except sales of inventory or other sales in the
ordinary course of business.

          (d)    Liquidation, Merger and Consolidation. (i) Alter its corporate,
                 -------------------------------------
capital or legal structure in a manner in any way adverse to the Purchasers or
dissolve or liquidate, or merge or consolidate with any Person other than (a) a
merger of the Company and a Person that is organized in a jurisdiction within
the United States in which the Company is the surviving corporation and such
merger will not result in an Event of Default or otherwise adversely affect the
Purchasers or (b) in connection with a reincorporation of the Company that does
not in any way adversely affect the Purchasers, or (ii) acquire all or any
substantial portion of the property, assets, or stock of, or interest in, any
Person (an "Acquisition") unless the stock of such Person is pledged to
Purchasers hereunder and such Person guarantees the obligations of the Company
under the Notes.

          (e)    Dividends, Etc. Declare or pay any dividend on any class of the
                 --------------
capital stock of the Company now or hereafter outstanding, make any distribution
of cash or property to holders of any shares of such stock, or redeem, retire,
purchase or otherwise acquire, directly or indirectly, any shares of any class
of capital stock of the Company now or hereafter outstanding.

          (f)    Sale and Issuance of Subsidiary Interests. Issue, transfer,
                 -----------------------------------------
convey, sell, lease or otherwise dispose of any Equity Interests of any
Subsidiary to any Person other than another Subsidiary that is a party to the
Guarantee Agreement.

          (g)    Sale and Lease-Back Transactions. Enter into any Sale and
                 --------------------------------
Lease-Back transaction unless the consideration received in such Sale and
Lease-Back transaction is at least equal to the fair market value of the
property sold as determined in good faith by the Company's Board of Directors.

          (h)    No Restrictions on Subsidiary Distributions to Company or Other
                 ---------------------------------------------------------------
Subsidiaries. Permit any of its Subsidiaries to create or otherwise cause or
------------
suffer to exist or become effective any consensual encumbrance or restriction of
any kind on the ability of any such Subsidiary to (i) pay dividends or make any
other distributions on any of such Subsidiary's capital stock owned by the
Company or any other Subsidiary of the Company, (ii) repay or prepay any
Indebtedness owed by such Subsidiary to the Company or any other Subsidiary of
Company, (iii) make loans or advances to the Company or any other Subsidiary or
(iv) transfer any of its property or assets to the Company or any other
Subsidiary.

          (i)    Business. Engage, directly or through other Persons, in any
                 --------
business other than the business now carried on, and other businesses directly
related thereto.

                                       18
<PAGE>

          (j)    Loans, Advances and Investments. Make any loans or advances to,
                 -------------------------------
make investments in, or purchase stock or other securities or evidences of
Indebtedness of, or interests in, any Person, except (i) direct obligations of
the United States or any agency thereof, (ii) commercial paper issued by
corporations rated not less than A-1 or P-1 by a nationally recognized rating
agency, (iii) certificates of deposit issued by, and demand deposit accounts
with, any United States commercial bank that are fully insured by the Federal
Deposit Insurance Corporation, (iv) loans made in the ordinary course of
business and (v) in connection with an Acquisition.

          (k)    Certain Transactions. Enter into, or be a party to, any
                 --------------------
transaction with, or pay any management fee or other fees or compensation to,
any Affiliate or stockholder of the Company, except (i) any tax sharing
agreement with any Subsidiary and (ii) in the ordinary course of and pursuant to
the reasonable requirements of the Company's business and upon fair and
reasonable terms which are fully disclosed to the Purchasers and are no less
favorable to the Company than it would obtain in a comparable arm's length
transaction with a Person not an Affiliate or stockholder of the Company.

          (l)    Utilize Equity Line. Utilize its equity line pursuant to which
                 -------------------
it issues additional capital stock or any similar financing facility unless
Purchasers elect not to consummate a Closing hereunder.

          (m)    Further Assurances. Promptly (and in any event within 10 days
                 ------------------
after the First Closing) provide such additional information and execute such
additional instruments and documents as the Purchasers may reasonably request in
connection with the transactions contemplated hereby, including without
limitation documents and instruments perfecting the security interest of the
Purchasers in the Collateral. In addition, the Company shall use its best
efforts to cause Hunton & Williams to deliver any opinions set forth in Exhibit
E which Hunton & Williams does not deliver on the First Closing Date.

          Section 7.2   Compliance with Law; Maintenance of Properties. The
                        ----------------------------------------------
Company will do or cause to be done all things necessary (i) to preserve and
keep in full force and effect at all times the Company's and the Subsidiaries'
existence, and all rights, licenses and franchises that are material to its
business, except that the Company may merge or consolidate any wholly owned
Subsidiaries with another wholly owned Subsidiary that is a party to the
Guarantee Agreement, (ii) to comply with and cause the Subsidiaries to comply
with all applicable laws, and all applicable rules, regulations and orders
issued by any governmental authority, noncompliance with which could have a
Material Adverse Effect, and (iii) to preserve all material property, in the
Board of Directors' good faith judgment, useful in the conduct of the Company's
and the Subsidiaries' business and keep the same in reasonably good repair,
working order and condition, normal wear and tear excepted, and from time to
time make, or cause to be made, all needful and proper repairs, renewals and
replacements, betterments and improvements thereto so that the business carried
on in connection therewith may be properly and advantageously conducted at all
times.

                                       19
<PAGE>

          Section 7.3   Performance of Liabilities. The Company will and will
                        --------------------------
cause the Subsidiaries to (i) duly pay and discharge all Indebtedness in such
manner as shall be necessary in order to prevent the occurrence of an Event of
Default under Section 8.1(d) hereof, and (ii) duly pay and discharge all taxes
before the same shall become in default unless such taxes are being contested by
the Company in good faith, and all lawful claims for labor, materials and
supplies that have become due and payable which taxes and other claims, if
unpaid, might become a Lien upon any of its properties if the loss of such
properties could have a Material Adverse Effect.

          Section 7.4   Inspection. The Company will and will cause the
                        ----------
Subsidiaries to permit, upon written request therefor, any duly authorized
representative of the Majority Holders to visit and inspect any of the
properties of the Company or any of its Subsidiaries, examine its books of
record and accounts and take copies and extracts therefrom, and conduct audits
of such books of record and accounts, all at such times and as often as the
Majority Holders may reasonably request upon 24 hours notice.

          Section 7.5   Reporting Requirements. To the extent not publicly
                        ----------------------
available, the Company shall furnish to the Holders the following:

          (a)    Defaults. As soon as possible and in any event within 3 days
                 --------
after obtaining knowledge of the occurrence of any Event of Default or a
condition or event that, after notice or lapse of time or both, would constitute
an Event of Default, a statement of an appropriate officer of the Company
setting forth details of such Event of Default and the action that the Company
has taken or proposes to take with respect thereto.

          (b)    Financial Statements. As soon as available, and in any event
                 --------------------
(i) within 90 days following the end of each fiscal year of the Company and the
Subsidiaries, a copy of the annual audit report for such fiscal year for the
Company and the Subsidiaries, including therein the balance sheet of the Company
and each Subsidiary, as of the end of such fiscal year and related statements of
income, shareholders' equity and cash flows for such fiscal year; (ii) within 45
days following the end of each quarter of the Company and the Subsidiaries, a
copy of the quarterly financial reports for such quarter for the Company and the
Subsidiaries; (iii) within 15 days following the end of each month, a monthly
financial report of the Company and the Subsidiaries, including a monthly
balance sheet and profit and loss statement with a comparison to budget; and
(iv) within 10 days of their becoming available, all reports or other publicly
available information that the Company shall make available to its
securityholders including, without limitation, all reports, financial statements
and proxy or information statements filed by the Company with the SEC or any
national securities exchange.

          (c)    Information Provided to Others. At the time provided to the
                 ------------------------------
SEC, any shareholder or any other holder of Indebtedness, all balance sheets,
statements of income, shareholders' equity and cash flows and other financial
and operational reports and statements provided to such other holder of
Indebtedness.

          (d)    Litigation. Notification in writing, promptly upon the
                 ----------
Company's learning thereof, but in no event later than 10 days after learning
thereof, of any litigation involving an

                                       20
<PAGE>

amount in controversy exceeding $50,000 whether or not the claim is considered
by the Company to be covered by insurance.

          (e)    Budget. As soon as available and upon request, and in any event
                 ------
within 30 days prior to the end of each fiscal year, the Company's budget for
the next succeeding fiscal year. The Company will also promptly provide the
Purchasers with any updates of such budget.

          Section 7.6   First Refusal on Future Financing.  Until such time as a
                        ---------------------------------
registration statement has become effective covering at least 50% of the
Registrable Securities (as defined in the Registration Rights Agreement), the
Purchasers shall be given a reasonable right of first refusal on any future
financings of the Company other than underwritten offerings of Common Stock with
an anticipated public offering price in excess of $3.00 per share in the case of
public offerings on or before December 31, 2000 and $5.00 per share thereafter
(as such per share amounts are adjusted for stock splits, stock dividends and
other recapitalizations after the date of this Agreement). The Purchasers shall
use reasonable best efforts to respond to any such rights within 48 hours of
notice thereof by the Company, but in any event Purchasers shall respond within
four Business Days.

          Section 7.7   Obtain NASDAQ Listing. The Company shall use its
                        ---------------------
reasonable best efforts to list its Common Stock on NASDAQ and to maintain such
listing.

          Section 7.8   Board Observer Rights.  The Company shall give notice to
                        ---------------------
the Purchasers of all meetings of the Board of Directors and Committees thereof
and permit a representative of the Purchasers to attend all such meetings until
the later to occur of (i) such time as no Notes remain outstanding and (ii) such
time as a registration statement has been declared effective with respect to all
of the Registrable Securities (as defined in the Registration Rights Agreement).
The Company shall have the right to exclude such representative from any portion
of a meeting that deals with issues related to the Purchasers or the Holders of
the Securities.  The Company shall reimburse all reasonable out-of-pocket
expenses of such representative in attending any such meetings.  The Purchasers
acknowledge and agree that certain information provided or made available to
them under this Agreement may constitute material non-public information that
may result in restrictions under federal securities laws on the ability of the
Purchasers to sell Securities of the Company.

          Section 7.9   Public Announcement.  As soon as practicable after the
                        -------------------
First Closing, the Company shall make the public announcement of the
consummation of the transactions contemplate hereby in a manner reasonably
acceptable to the Purchasers.

          Section 7.10  Use of Proceeds.  The Company shall use the proceeds
                        ---------------
from the issuance of the Securities hereunder to repay approximately $1.4
million of existing Indebtedness owing by the Company to C&S Private Equity
Fund, L.P. and for working capital and other general corporate purposes.

          Section 7.11  Registration Rights.  As long as any Securities are
                        -------------------
outstanding, the Company will not in the future grant any registration rights
that are not subordinate to those of

                                       21
<PAGE>

the Purchasers under the Registration Rights Agreement. In addition, the Company
will use its best efforts to modify the provisions of existing registration
rights to make them consistent.

     ARTICLE 8.  DEFAULT AND REMEDIES.
                 --------------------

          Section 8.1   Events of Default. An "Event of Default" occurs if:
                        -----------------      ----------------

          (a)  the Company defaults in the payment of principal of or interest
on the Notes when the same becomes due and payable and such default continues
for 5 days;

          (b)  the Company shall fail to observe or perform any other covenant
or agreement contained in any Document and such default continues for 30 days;

          (c)  any material representation or warranty made by the Company in
any Document shall prove to have been false or misleading in any material
respect when made and such false or misleading statement has a Material Adverse
Effect;

          (d)  the Company shall fail to make any payment of principal of or
interest on any Indebtedness other than the Notes when due after giving effect
to any applicable grace periods (whether due by acceleration or otherwise) and
the aggregate amount of all such past-due Indebtedness (including Indebtedness
accelerated pursuant to the terms thereof) shall be equal to or greater than
$250,000;

          (e)  the Company (i) shall commence a voluntary case concerning itself
under any Bankruptcy Law now or hereafter in effect, or any successor thereof;
(ii) is the object of an involuntary case under any Bankruptcy Law; or (iii)
commences any Distribution Event or is the object of an involuntary Distribution
Event; or

          (f)  James M. Blanchard ceases to spend substantially all of his
business time and attention in the employment of the Company as a senior
executive officer.

          Section 8.2   Remedies.
                        --------

          (a)  If an Event of Default (other than an Event of Default under
Section 8.1(e) shall occur and be continuing, the Majority Holders may declare
by notice in writing given to the Company, the entire unpaid principal amount of
the Notes, together with accrued but unpaid interest thereon, to be immediately
due and payable, in which case the Notes shall become immediately due and
payable, both as to principal and interest, without presentment, demand,
default, notice of default, notice of intent to accelerate and notice of such
acceleration, protest or notice of any kind, all of which are hereby expressly
waived, anything herein or elsewhere to the contrary notwithstanding.

          (b)  If an Event of Default under Section 8.1(e) shall occur and be
continuing, the entire unpaid principal amount of the Notes, together with
accrued but unpaid interest thereon, shall automatically become immediately due
and payable, both as to principal and interest, without presentment, demand,
default, notice of default, notice of intent to accelerate

                                       22
<PAGE>

and notice of such acceleration, protest or notice of any kind, all of which are
hereby expressly waived, anything herein or elsewhere to the contrary
notwithstanding.

          (c)  If any Event of Default shall have occurred and is continuing,
the Holders may, subject to the consent of the Majority Holders, proceed to
protect and enforce their rights either by suit in equity or by action at law,
or both.

     ARTICLE 9.  CONVERSION.
                 ----------

          Section 9.1   Right to Convert. Any Holder of Notes may exercise the
                        ----------------
conversion rights set forth in this Section 9 (i) at any time after five days
following the issuance of such Note or (ii) if the Company exercises its rights
under the prepayment provisions of Section 2.2 of the Notes, within 10 Business
Days of the Company's notice to the holder of the Company's election to exercise
its prepayment rights. If a Holder of Notes chooses to exercise its conversion
rights pursuant to the preceding sentence (unless the Note is repaid within five
days after issuance), such Holder may convert all or any portion of the
principal amount thereof and any interest accrued thereon into the number of
shares of Common Stock, obtained by dividing the principal and accrued interest
to be so converted by the Conversion Price determined from time, to time
pursuant to Section 9.5.

          Section 9.2   Mechanics of Conversion.  Before, a holder of any Note
                        -----------------------
converts any of the principal amount thereof or accrued interest thereon into
shares of Common Stock, such Holder shall surrender the Note, duly endorsed, at
the principal office of the Company and shall give written notice to the Company
at such office of its election to convert all or any portion of the principal
thereof or accrued interest thereon into shares of Common Stock. The notice
shall state the principal amount thereof and accrued interest thereon to be
converted and the name of the Holder or the name(s) of the nominee(s) of such
Holder in which any certificates for shares of Common Stock are to be issued.
The Company shall, as soon as practicable but in no event later than five
Business Days thereafter, issue and deliver at such office to such Holder or
such nominee(s), a certificate or certificates for the number of full shares of
Common Stock to which such holder or such nominee(s) is entitled. Any conversion
shall be deemed to occur immediately prior to the close of business on the date
of surrender of the Note, and the person or persons entitled to receive the
shares of Common Stock issuable upon such conversion shall be treated for all
purposes as the record holder or holders of such shares of Common Stock on such
date.

          Section 9.3   No Fractional Shares.  No fractional shares of Common
                        --------------------
Stock or scrip shall be issued upon conversion of this Note. Instead of issuing
any fractional shares of Common Stock that would otherwise be issuable upon
conversion of the Note (or any portion hereof), the Company shall round down to
the nearest whole number of shares of Common Stock and pay to such holder cash
in an amount equal to the amount of such fractional interest, multiplied by the
Conversion Price.

          Section 9.4   Reservation of Shares. The Company covenants that it
                        ---------------------
will at all times reserve and keep available, free from preemptive rights, out
of the aggregate of its authorized but unissued shares of Common Stock, for the
purpose of effecting the conversion of

                                       23
<PAGE>

any Note, the full number of shares of Common Stock deliverable upon the
conversion of the Notes.

          Section 9.5   Antidilution Provisions. During the conversion period or
                        -----------------------
until fully converted, the Conversion Price and the number of shares of Common
Stock issuable pursuant to this Note (the "Note Shares") shall be subject to
adjustment from time to time as provided in this Section 9. In the event that
any adjustment of the Conversion Price as required herein results in a fraction
of a cent, such Conversion Price shall be rounded up or down to the nearest
cent.

          a.   Adjustment of Conversion Price and Number of Shares Upon Issuance
               -----------------------------------------------------------------
of Common Stock. Except as otherwise provided in Section 9.3 and 9.4 hereof, if
---------------
and whenever after the First Closing Date, the Company issues or sells, or in
accordance with Section 9.5(b) hereof is deemed to have issued or sold, any
shares of Common Stock for no consideration or for a consideration per share
less than the Market Price on the date of issuance (a "Dilutive Issuance"), then
effective immediately upon the Dilutive Issuance, the Conversion Price will be
adjusted in accordance with the following formula:

          E'       =       (E) (O + P/M) / (CSDO)

          where:

          E'       =       the adjusted Conversion Price
          E        =       the then current Conversion Price;
          M        =       the then current Market Price; provided, however,
                           that in the case of stock issued in stock for stock
                           acquisitions with unaffiliated third parties, "M"
                           will be deemed to be the lesser of (i) (a)$0.70 per
                           share in the case of issuances after the First
                           Closing and (b) $1.00 per share in the case of
                           issuances on or after the Second Closing to the
                           extent the Second Closing occurs (as such per share
                           amounts are adjusted for stock splits, stock
                           dividends and other recapitalizations after the date
                           of this Agreement); and (ii) the then current Market
                           Price
          O        =       the number of shares of Common Stock outstanding
                           immediately prior to the Dilutive Issuance;
          P        =       the aggregate consideration, calculated as set forth
                           in Section 9.5(b) hereof, received by the Company
                           upon such Dilutive Issuance; and
          CSDO     =       the total number of shares of Common Stock Deemed
                           Outstanding (as herein defined) immediately after the
                           Dilutive Issuance.

          b.   Effect on Conversion Price of Certain Events. For purposes of
               --------------------------------------------
determining the adjusted Conversion Price under Section 9.5(a) hereof, the
following will be applicable:

               1.   Issuance of Rights or Options. If the Company in any manner
                    -----------------------------
issues or grants any warrants, rights or options, whether or not immediately
exercisable, to subscribe for or to purchase Common Stock or other securities

                                       24
<PAGE>

exercisable, convertible into or exchangeable for Common Stock ("Convertible
Securities") (such warrants, rights and options to purchase Common Stock or
Convertible Securities are hereinafter referred to as "Options"), and the price
per share for which Common Stock is issuable upon the exercise of such Options
is less than the Market Price on the date of issuance ("Below Market Options"),
then the maximum total number of shares of Common Stock issuable upon the
exercise of all such Below Market Options (assuming full exercise, conversion or
exchange of Convertible Securities, if applicable) will, as of the date of the
issuance or grant of such Below Market Options, be deemed to be outstanding and
to have been issued and sold by the Company for such price per share. For
purposes of the preceding sentence, the price per share for which Common Stock
is issuable upon the exercise of such Below Market Options is determined by
dividing (i) the total amount, if any, received or receivable by the Company as
consideration for the issuance or granting of such Below Market Options, plus
the minimum aggregate amount of additional consideration, if any, payable to the
Company upon the exercise of all such Below Market Options, plus, in the case of
Convertible Securities issuable upon the exercise of such Below Market Options,
the minimum aggregate amount of additional consideration payable upon the
exercise, conversion or exchange thereof at the time such Convertible Securities
first become exercisable, convertible or exchangeable, by (ii) the maximum total
number of shares of Common Stock issuable, upon the exercise of all such Below
Market Options (assuming full conversion of Convertible Securities, if
applicable). No further adjustment to the Conversion Price will be made upon the
actual issuance of such Common Stock upon the exercise of such Below Market
Options or upon the exercise, conversion or exchange of Convertible Securities
issuable upon exercise of such Below Market Options.

               2.   Issuance of Convertible Securities.
                    ----------------------------------

          a.   If the Company in any manner issues or sells any Convertible
Securities, whether or not immediately convertible (other than where the same
are issuable upon the exercise of Options) and the price per share for which
Common Stock is issuable upon such exercise, conversion or exchange (as
determined pursuant to Section 9.5(b)(2)(b) if applicable) is less than the
Market Price on the date of issuance, then the maximum total number of shares of
Common Stock issuable upon the exercise, conversion or exchange of all such
Convertible Securities will, as of the date of the issuance of such Convertible
Securities, be deemed to be outstanding and to have been issued and sold by the
Company for such price per share. For the purposes of the preceding sentence,
the price per share for which Common Stock is issuable upon such exercise,
conversion or exchange is determined by dividing (i) the total amount, if any,
received or receivable by the Company as consideration for the issuance or sale
of all such Convertible Securities, plus the minimum aggregate amount of
additional consideration, if any, payable to the Company upon the exercise,
conversion or exchange thereof at the time such Convertible Securities first
become exercisable, convertible or exchangeable, by (ii) the maximum total
number of shares of Common Stock issuable upon the exercise, conversion or
exchange of all such Convertible Securities.  No further adjustment to the
Conversion Price will be made upon the actual issuances of such Common Stock
upon exercise, conversion or exchange of such Convertible Securities.

                                       25
<PAGE>

          b.   If the Company in any manner issues or sells any Convertible
Securities with a fluctuating conversion or exercise price or exchange ratio,
then the price per share for which Common Stock is issuable upon such exercise,
conversion or exchange for purposes of the calculation contemplated by Section
9.5(b)(2)(a) shall be deemed to be the lowest price per share which would be
applicable assuming that all holding period and other conditions to any
discounts contained in such Convertible Security have been satisfied.

               3.   Change in Option Price or Conversion Rate. Except for the
                    -----------------------------------------
grant or exercise of any stock or options which may hereafter be granted or
exercised under any employee or director benefit plan of the Company now
existing or to be implemented in the future, so long as the issuance of such
stock or options is approved by a majority of the non-employee members of the
Board of Directors of the Company or a majority of the members of a committee of
non-employee directors established for such purpose, if there is a change at any
time in (i) the amount of additional consideration payable to the Company upon
the exercise of any Options; (ii) the amount of additional consideration, if
any, payable to the Company upon the exercise, conversion or exchange or any
Convertible Securities; or (iii) the rate at which any Convertible Securities
are convertible into or exchangeable for Common Stock (other than under or by
reason of provisions designed to protect against dilution), the Conversion Price
in effect at the time of such change will be readjusted to the Conversion Price
which would have been in effect at such time had such Options or Convertible
Securities still outstanding provided for such changed additional consideration
or changed conversion rate, as the case may be, at the time initially granted,
issued or sold,

               4.   Treatment of Expired Options and Unexercised Convertible
                    --------------------------------------------------------
Securities. If, in any case, the total number of shares of Common Stock issuable
----------
upon exercise of any Options or upon exercise, conversion or exchange of any
Convertible Securities is not, in fact, issued and the rights to exercise such
option or to exercise, convert or exchange such Convertible Securities shall
have expired or terminated, the Conversion Price then in effect will be
readjusted to the Conversion Price which would have been in effect at the time
of such expiration or termination had such Options or Convertible Securities, to
the extent outstanding immediately prior to such expiration or termination
(other than in respect of the actual number of shares of Common Stock issued
upon exercise or conversion thereof), never been issued.

               5.   Calculation of Consideration Received. If any Common Stock,
                    -------------------------------------
Options or Convertible Securities are issued, granted or sold for cash, the
consideration received therefor for purposes of the Notes will be the amount
received by the Company therefor, before deduction of reasonable commissions,
underwriting discounts or allowances or other reasonable expenses paid or
incurred by the Company in connection with such issuance, grant or sale. In case
any Common Stock, Options or Convertible Securities are issued or sold for a
consideration part or all of which shall be other than cash, the amount of the
consideration other than cash received by the Company will be the fair market
value of such consideration except where such consideration consists of freely-
tradable securities, in which case the amount of consideration received by the
Company will be the Market Price thereof as of the date of receipt. In case any
Common Stock, Options or

                                       26
<PAGE>

Convertible Securities are issued in connection with any merger or consolidation
in which the Company is the surviving corporation, the amount of consideration
therefor will be deemed to be the fair market value of such portion of the net
assets and business of the non-surviving corporation as is attributable to such
Common Stock, Options or Convertible Securities, as the case may be. The fair
market value of any consideration other than cash or securities will be
determined in the good faith reasonable business judgment of the Board of
Directors.

               6.   Exceptions to Adjustment of Conversion Price. No adjustment
                    --------------------------------------------
to the Conversion Price will be made (i) upon the exercise of any warrants,
options or convertible securities issued and outstanding on the First Closing
Date in accordance with the terms of such securities as of such date; (ii) upon
the issuance of the Sale Shares, the Notes or the Warrants in accordance with
terms of this Agreement; or (iii) upon the exercise of the Warrants or
conversion of the Notes,

          c.   Subdivision or Combination of Common Stock. If the Company, at
               ------------------------------------------
any time after the First Closing Date, subdivides (by any stock split, stock
dividend, recapitalization, reorganization, reclassification or otherwise) its
shares of Common Stock into a greater number of shares, then, after the date of
record for effecting such subdivision, the Conversion Price in effect
immediately prior to such subdivision will be proportionately reduced. If the
Company, at any time after the First Closing Date, combines (by reverse stock
split recapitalization, reorganization, reclassification or otherwise) its
shares of Common Stock into a smaller number of shares, then, after the date of
record for effecting such combination, the Conversion Price in effect
immediately prior to such combination will be proportionately increased.

          d.   Major Transactions. If after the First Closing Date the Company
               ------------------
shall consolidate or merge with any other corporation or entity (other than a
merger in which the Company is the surviving or continuing entity) or there
shall occur any share exchange pursuant to which all of the outstanding shares
of Common Stock are converted into other securities or property or any
reclassification or change of the outstanding shares of Common Stock (each of
the foregoing being a "Major Transaction"), then each holder of a Note may
thereafter, at its option, be entitled, at its election, either to (i) in the
event that the Common Stock remains outstanding or holders of Common Stock
receive any common stock or substantially similar equity interest, in each of
the foregoing cases which is publicly traded, retain its Note and such Note
shall continue to apply to such Common Stock or shall apply, as nearly as
practicable, to such other common stock or equity interest as the case may be,
or (ii) regardless of whether clause (i) applies, receive consideration, in
exchange for such Note, equal to the number of shares of stock or securities or
property of the Company, or of the entity resulting from such Major Transaction
(the "Major Transaction Consideration"), to which a holder of the number of
shares of Common Stock delivered upon the conversion of such Note would have
been entitled upon such Major Transaction had such holder converted the Note
(without regard to any limitations on conversion or elsewhere contained) on the
trading date immediately preceding the consummation of such Major Transaction
and had such Common Stock been issued and outstanding and had such Holder been
the holder of record of such Common Stock at the time of the consummation of
such Major Transaction; and the Company

                                       27
<PAGE>

shall make lawful provision for the foregoing as a part of such Major
Transaction and shall cause the issuer of any security in such transaction which
constitutes Registrable Securities under that the Registration Rights Agreement
to assume all of the Company's obligations under the Registration Rights
Agreement. No later than five Business Days prior to the consummation of the
Major Transaction, but not prior to the public announcement at of such Major
Transaction, the Company shall deliver written notice ("Notice of Major
Transaction") to each holder of a Note of such Notice of Major Transaction. Such
Notice of Major Transaction shall indicate the amount and type of the Major
Transaction Consideration which such holder of a Note would receive under this
Section.

          e.   Distribution of Assets. In case the Company shall declare or make
               ----------------------
any distribution of its assets (or rights to acquire its assets) to holders of
Common Stock as a partial liquidating dividend, by way of return of capital or
otherwise (including any dividend or distribution to the Company's shareholders
of cash or shares (or rights to acquire shares) of capital stock of a
subsidiary) (a "Distribution"), at any time after the First Closing Date, then
the Holder shall be entitled upon conversion of this Note for the purchase of
any or all of the shares of Common Stock subject hereto, to receive the amount
of such assets (or rights) which would have been payable to the Holder had such
Holder been the holder of such shares of Common Stock on the record date for the
determination of shareholders entitled to such Distribution.

          f.   Notices of Adjust. Upon the occurrence of any event which
               -----------------
requires any adjustment of the Conversion Price, then, and in each such case,
the Company shall give notice thereof to the Holder, which notice shall state
the Conversion Price resulting from such adjustment and the increase or decrease
in the number of Shares purchasable at such price upon conversion, setting forth
in reasonable detail the method of calculation and the facts upon which such
calculation is based. Such calculation shall be certified by the chief financial
officer of the Company.

          g.   Minimum Adjustment of Conversion Price. No adjustment of the
               --------------------------------------
Conversion Price shall be made in an amount of less than 1% of the Conversion
Price in effect at the time such adjustment is otherwise required to be made,
but any such lesser adjustment shall be carried forward and shall be made at the
time and together with the next subsequent adjustment which, together with any
adjustments so carried forward, shall amount to not less than 1% of such
Conversion Price.

          h.   No Fractional Shares. No fractional shares of Common Stock are to
               --------------------
be issued upon the conversion of a Note, but the Company shall pay a cash
adjustment in respect of any fractional share which would otherwise be issuable
in an amount equal to the same fraction of the Market Price of a share of Common
Stock; provided that in the event that sufficient funds are not legally
available for the payment of such cash adjustment any fractional shares of
Common Stock shall be rounded up to the next whole number.

          i.   Other Notices. In case at any time: (i) the Company shall declare
               -------------
any dividend upon the Common Stock payable in shares of stock of any class or
make any other distribution to the holders of the Common Stock; (ii) the Company
shall offer for

                                       28
<PAGE>

subscription pro rata to the holders of the Common Stock any additional shares
of stock of any class or other rights; (iii) there shall be any capital
reorganization of the Company, or reclassification of the Common Stock, or
consolidation or merger of the Company with or into, or sale of all or
substantially all of its assets to, another corporation or entity, or (iv) there
shall be a voluntary or involuntary dissolution, liquidation or winding-up of
the Company; then, in each such case, the Company shall give to the Holder (A)
notice of the date on which the books of the Company shall close or a record
shall be taken for determining the holders of Common Stock entitled to receive
any such dividend, distribution, or subscription rights or for determining the
holders of Common Stock entitled to vote in respect of any such reorganization,
reclassification, consolidation, merger, sale, dissolution, liquidation or
winding-up and (B) in the case of any such reorganization, reclassification,
consolidation, merger, sale, dissolution, liquidation or winding-up, notice of
the date (or, if not then known, a reasonable approximation thereof by the
Company) when the same shall take place. Such notice shall also specify the date
on which the holders of Common Stock shall be entitled to receive such dividend,
distribution, or subscription rights or to exchange their Common Stock for stock
or other securities or property deliverable upon such reorganization,
reclassification, consolidation, merger, sale, dissolution, liquidation, or
winding-up, as the case may be. Such notice, shall be given at least 30 days
prior to the record date or the date on which the Company's books are closed in
respect thereto, but in no event earlier than public announcement of such
proposed transaction or event. Failure to give any such notice or any defect
therein shall not affect the validity of the proceedings referred to in clauses
(i), (ii), (iii) and (iv) above.

          j.   Certain Definitions.
               -------------------

               1.   "Common Stock Deemed Outstanding" means the number of shares
                     -------------------------------
of Common Stock actually outstanding (not including shares of Common Stock held
in the treasury of the Company), plus (x) in case of any adjustment required by
Section 9.5(a) resulting from the issuance of any Options, the maximum total
number of shares of Common Stock issuable upon the exercise of the Options for
which the adjustment is required (including any Common Stock issuable upon the
conversion of Convertible Securities issuable upon the exercise of such
Options), and (y) in the case of any adjustment required by Section 9.5(a)
resulting from the issuance of any Convertible Securities, the maximum total
number of shares of Common Stock issuable upon the exercise, conversion or
exchange of the Convertible Securities for which the adjustment is required, as
of the date of issuance of such Convertible Securities, if any.

               2.   "Market Price" means, as of any date, (i) the average of the
                     ------------
Closing Prices for the shares of Common Stock as reported to The Nasdaq National
Market for the 15 trading days immediately preceding such date, or (ii) if The
Nasdaq National Market is not the principal trading market for the Common Stock,
the average of the last reported bid prices on the principal trading market for
the Common Stock during the same period, or, if there is no bid price for such
period, the last reported sales price for such period, or (iii) if market value
cannot be calculated as of such date on any of the foregoing bases, the Market
Price shall be the average fair market value as reasonably determined by an
investment banking firm selected by the Company and reasonably acceptable to the
Holders of a majority in interest of the

                                       29
<PAGE>

Note, with the costs of the appraisal to be borne by the Company. The manner of
determining the Market Price of the Common Stock set forth in the foregoing
definition shall apply with respect to any other security in respect of which a
determination as to market value, must be made hereunder.

     ARTICLE 10.    MISCELLANEOUS.
                    -------------

          Section 10.1  Payments. The Company agrees that, as long as the
                        --------
Purchasers shall hold the Notes, all payments to be made on or in connection
with the Notes shall be made to the Purchasers at the addresses set forth in
this Agreement or such other places as the Purchasers may designate in writing.
All payments referred to under this Agreement and the other Documents shall be
in immediately available funds in lawful money of the United States of America.
The Holders agree that prior to any delivery upon the sale or other disposition
of all or any part of the Notes, the Holders will promptly make or cause to be
made a notation on the Notes reflecting all payments thereon.

          Section 10.2  Amendments. This Agreement and the other Documents may
                        ----------
be amended, modified, superseded or canceled, and any of the terms, covenants,
representations, warranties or conditions hereof and thereof may be waived, only
by a written instrument executed by the Company and the Majority Holders at such
time. If any such proposed amendment, modification or other action would require
the consent of holders of more than a majority in aggregate principal amount of
securities then outstanding if such action were proposed with respect to
securities issued pursuant to an indenture qualified under the TIA (such
percentage required under the TIA for such action being referred to herein as
the "Applicable Supermajority Percentage"), then such proposed amendment,
     -----------------------------------
modification or other action with respect to this Agreement and the other
Documents shall require the consent of the Holders of the Applicable
Supermajority Percentage of the Notes (or, if the Notes have been paid in full,
the Warrants). If any such proposed amendment, modification or other action
would require the consent of each affected holder if such action were proposed
with respect to securities issued pursuant to an indenture qualified under the
TIA, then such proposed amendment, modification or other action with respect to
this Agreement and the other Documents shall require the consent of each
affected Holder.

          Section 10.3  No Waiver. The failure of any party at any time or times
                        ---------
to require performance of any provisions hereof shall in no manner affect the
right at a later time to enforce the same. No waiver by any party of any
condition, or of any breach of any term, covenant, representation or warranty
contained in this Agreement, in any one or more instances, shall be deemed to be
or construed as a further or continuing waiver of any such condition or breach
or a waiver of any other condition or of any breach of any other term, covenant,
representation or warranty.

          Section 10.4  Survival of Representations and Warranties. All claims
                        ------------------------------------------
and causes of action with respect to the representations, warranties, covenants,
indemnities and agreements contained herein or made in writing by the Company in
connection herewith shall survive the

                                       30
<PAGE>

execution and delivery of this Agreement, the sale and purchase of the
Securities and any disposition thereof.

          Section 10.5  Successors and Assigns. All covenants and agreements in
                        ----------------------
this Agreement made by or on behalf of any of the parties hereto shall bind and
inure to the benefit of the Company, each Purchaser and each Holder and their
respective successors and permitted assigns. The terms and provisions of this
Agreement are intended solely for the benefit of each party hereto and its
respective successors and permitted assigns, and it is not the intention of the
parties to confer third-party beneficiary rights upon any other Person. The
Holders may not sell, assign (by operation of law or otherwise), transfer,
pledge, grant a security interest in, or otherwise dispose of this Agreement or
any other Document or any portion hereof or thereof or any rights or obligations
hereunder or thereunder unless the Company shall have received a written opinion
of counsel reasonably acceptable to the Company, addressed to the Company, to
the effect that any such proposed transfer or other disposition complies with
all applicable Federal and state securities laws, or other comfort reasonably
acceptable to the Company to the same effect; provided, however, that any
Purchaser may transfer any Securities acquired hereunder to another Purchaser or
to an Affiliate controlled by any Purchaser without any such opinion or comfort.

          Section 10.6  Notices. All communications provided for hereunder and
                        -------
under the Notes shall be sent by first class mail and (i) if to a Purchaser,
addressed to it at the address shown on Schedule 2.1 the signature pages hereof,
                                        -------------
or to such other address as such Purchaser may have designated to the Company in
writing, (ii) if to any subsequent Holder, addressed to such Holder at the
address of such Holder in the record books of the Company, and (iii) if to the
Company, addressed to it at 1690 Chantilly Drive, Atlanta, Georgia 30324,
Attention: President, or to such other address as the Company may have
designated in writing to the Holder.

          Section 10.7  Descriptive Headings. The descriptive headings of the
                        --------------------
articles, sections, subsections and paragraphs of the Documents are inserted for
convenience only and do not constitute a part of the Documents.

          Section 10.8  Choice of Law. This Agreement and the validity and
                        -------------
enforceability hereof shall be governed by and construed and interpreted in
accordance with the laws of the State of New York without giving effect to
conflict of laws rules or choice of laws rules thereof except Section 5-1401 of
the New York General Obligations Law.

          Section 10.9  Pro Rata Sharing. All payments (including, but not
                        ----------------
limited to, payments by offset) made under this Agreement or the Notes shall be
made to the Holders pro rata in accordance with the principal amount of Notes
                    --- ----
that such Holder owns. If any Holder shall receive any payment in violation of
this Section, such Holder shall pay such excess funds over to other Holders or
purchase Notes or interests therein from other Holders in order to cause such
excess payment to be shared by the Holders on a pro rata basis.
                                                --- ----

          Section 10.10 Limitation on Interest. Notwithstanding any other
                        ----------------------
provision of this Agreement or any other Document, interest on the indebtedness
contemplated by the Documents is expressly limited so that in no contingency or
event whatsoever, whether by acceleration of the

                                       31
<PAGE>

maturity of such indebtedness or otherwise, shall the interest contracted for,
charged or received by any Purchaser or any Holder exceed the maximum amount
permissible under applicable law. If from any circumstances whatsoever
fulfillment of any provisions of this Agreement or of any other document
evidencing, securing or pertaining to the indebtedness contemplated hereby, at
the time performance of such provision shall be due, shall involve transcending
the limit of validity prescribed by law, then, ipso facto, the obligation to be
fulfilled shall be reduced to the limit of such validity, and if from any such
circumstances any Purchaser or any Holder shall ever receive anything of value
as interest or deemed interest by applicable law under this Agreement or any
other document evidencing, securing or pertaining to the indebtedness
contemplated hereby or otherwise an amount that would exceed the highest lawful
rate, such amount that would be excessive interest shall be applied to the
reduction of the principal amount owing under this Agreement or on account of
any other indebtedness of the Company to such Purchaser or such Holder, and not
to the payment of interest, or if such excessive interest exceeds the unpaid
balance of principal of the Notes and such other indebtedness, such excess shall
be refunded to the Company. In determining whether or not the interest paid or
payable with respect to any indebtedness of the Company to such Purchaser or
such Holder, under any specific contingency, exceeds the highest lawful rate,
the Company and such Purchaser or such Holder shall, to the maximum extent
permitted by applicable law, (a) characterize any non-principal payment as an
expense, fee or premium rather than as interest, (b) exclude voluntary
prepayments and the effects thereof, (c) amortize, prorate, allocate and spread
the total amount of interest throughout the term of such indebtedness so that
the actual rate of interest on account of such indebtedness does not exceed the
maximum amount permitted by applicable law, and/or (d) allocate interest between
portions of such indebtedness, to the end that no such portion shall bear
interest at a rate greater than that permitted by applicable law. The terms and
provisions of this paragraph shall control and supersede every other conflicting
provision of this Agreement and the other Documents.

          Section 10.11  Entire Agreement. This Agreement and the other
                         ----------------
Documents embody the entire agreement of the parties relating to the subject
matter hereof and supersede all prior proposals, negotiations, agreements and
understandings relating to such subject matter.

          Section 10.12  Counterparts. This Agreement may be executed in two or
                         ------------
more counterparts, each of which when so executed and delivered shall be deemed
to be an original and all of which when taken together shall constitute but one
and the same agreement.

          Section 10.13  Expenses.  The Company agrees, whether or not the
                         --------
transactions contemplated hereby are consummated, to pay, and hold the
Purchasers and Holders of the Securities harmless from liability for the payment
of,

          (i)  the reasonable fees and expenses of counsel to the Purchaser
     (which fees and expenses shall be reasonably documented), arising in
     connection with the negotiation and execution of this Agreement and the
     Documents and consummation of the transactions contemplated hereby (which
     fees and expenses shall not exceed $50,000 in the aggregate and shall be
     paid by wire transfer to such counsel at the Closing),

                                       32
<PAGE>

        (ii)   the fees and expenses incurred in connection with any requested
     waiver of the right of any Holder of Securities or the consent of any
     Holder of Securities to contemplated acts of the Company not otherwise
     permissible by the terms of this Agreement or the Documents,

        (iii)  stamp and other taxes, including income taxes, which may be
     payable with respect to the execution and delivery of this Agreement or the
     issuance, delivery or acquisition of the Securities or upon the conversion
     of the Securities except that the Company shall not be responsible for any
     such taxes incurred as a result of issuing the Securities to a Person other
     than the Purchasers, and

        (iv)   the fees and expenses incurred in respect of the enforcement of
     the rights granted under this Agreement and the Documents.

        Section 10.14  Specific Performance.  The Purchasers shall have the
                       --------------------
rights to specific performance with respect to the Company's obligations
hereunder.

                           [Signature page follows.]

                                       33
<PAGE>

     IN WITNESS WHEREOF, this Agreement has been duly executed by the parties
hereto as of the day and year specified at the beginning hereof.

                              GRACE DEVELOPMENT INC.

                              By: /s/ James M. Blanchard
                                  --------------------------------
                              Name: James M. Blanchard
                              Title: President

                              GREENLIGHT CAPITAL, L.P.

                                    By: Greenlight Capital, L.L.C., its
                                        general partner

                                        By: /s/ Jeffrey A. Keswin
                                           --------------------------
                                        Name: Jeffrey A. Keswin
                                        Title: Managing Member

                              GREENLIGHT CAPITAL QUALIFIED L.P.

                                    By: Greenlight Capital, L.L.C., its
                                        general partner

                                        By: /s/ Jeffrey A. Keswin
                                           ---------------------------
                                        Name:  Jeffrey A. Keswin
                                        Title: Managing Member

                              GREENLIGHT CAPITAL OFFSHORE, LTD.

                                        By: /s/ Jeffrey A. Keswin
                                           --------------------------
                                        Name:  Jeffrey A. Keswin
                                        Title: Co-President Advisor

                                       1
<PAGE>

EXHIBITS AND SCHEDULES
----------------------

Exhibit A     Form of Note

Exhibit B     Form of Warrant

Exhibit C     Form of Registration Rights Agreement

Exhibit D     Form of Guarantee Agreement

Exhibit E     Form of Legal Opinion

Exhibit F     Form of Pledge Agreement

Exhibit G     Finders Agreement

Schedules

                                       i
<PAGE>

                                 SCHEDULE 2.1
                                 ------------

                  INITIAL PURCHASERS, AMOUNTS AND SECURITIES
                  ------------------------------------------

<TABLE>
                                                        No. of Shares of
                                                      Common Stock issued
                                                        as a Transaction    No. of Shares of Common Stock
                                                        Fee at the First    issuable upon exercise of Warrant at
                                                         Closing and at     exercise price of $1.00 per share in
                                                       $1.00 per share a    the case of the First, Second and
                                                        Second and Third    Third Closings and $1.50 per share
                                                       Closings and $1.50   in the case of the Fourth Closing
                                    Principal            per share at       (subject to adjustment as described          Total
First Closing                    Amount of Notes        Fourth Closing               in the Warrant)                 Consideration
-------------                    ----------------       --------------               ---------------                 -------------
<S>                              <C>                  <C>                   <C>                                      <C>
Greenlight Capital, L.P.             $1,500,000               692,308                    1,500,000                   $1,500,000
420 Lexington Avenue
Suite 1740
New York, New York 10170

Greenlight Capital Qualified,         2,500,000             1,153,846                    2,500,000                    2,500,000
L.P.
420 Lexington Avenue
Suite 1740
New York, New York 10170

Greenlight Capital Offshore,          2,500,000             1,153,846                    2,500,000                    2,500,000
Ltd.
c/o CITCO BVI Limited
Citco Building
Wickhams Cay 1
P. O. Box 662
Road Town, Tortola
British Virgin Islands

                                     ------------             ----------                ----------                  -----------
     TOTAL                             $6,500,000              3,000,000                 6,500,000                   $6,500,000
                                                                shares                     shares

Second Closing*                        $2,925,000              1,575,000                 2,925,000                   $4,500,000
(in the aggregate)                                              shares                     shares

Third Closing*                         $2,925,000              1,575,000                 2,925,000                   $4,500,000
(in the aggregate)                                              shares                     shares

Fourth Closing*                        $2,925,000              1,050,000                 1,950,000                   $4,500,000
(in the aggregate)                                              shares                   shares
</TABLE>

*Subject to reallocation as
described in Section 2.1.

                                       i
<PAGE>

                                 SCHEDULE 4.6
                                 ------------

                                CAPITALIZATION
                                --------------

                                      ii<PAGE>

                                                                     Exhibit 4.2

This Promissory Note (this "Note") and any securities acquired upon the
conversion of this Note have not been registered under the Securities Act of
1933, as amended (the "Securities Act"), or the securities laws of any state.
None of this Note, such securities or any interest therein may be sold,
transferred, pledged or hypothecated except pursuant to an effective
registration statement under the Securities Act and such registration or
qualification as may be necessary under the securities laws of any jurisdiction
or pursuant to a written opinion of counsel (which counsel and opinion shall be
reasonably satisfactory to the Company) that such registration or qualification
is not required.

                             GRACE DEVELOPMENT INC.
                             ----------------------

                 12% SENIOR SECURED CONVERTIBLE PROMISSORY NOTE
                 ----------------------------------------------

[Date]                                                    Note No  ____________

     GRACE DEVELOPMENT INC., a Colorado corporation ("Issuer" or the "Company"),
                                                      ------          -------
for value received, hereby promises to pay in accordance with the provisions
hereof to [Purchaser] (the "Holder") or its permitted assigns the principal
                            ------
amount of _____ MILLION _____________ THOUSAND DOLLARS ($___________) on the
dates specified herein, with interest as specified herein.

     This Note is subject to the following additional provisions, terms and
conditions:

                            ARTICLE 1.  DEFINITIONS.
                                        -----------

     1.1  Certain Definitions.
          -------------------

     "Applicable Rate" means 12% per annum.
      ---------------

     "Default Rate" means 16% per annum.
      ------------

     "Guarantee Agreement" means that certain Guarantee Agreement, dated as of
      -------------------
April __, 2000, by and among the Subsidiary Guarantors in favor of Greenlight
Capital, L.P., Greenlight Capital Qualified, L.P. and Greenlight Capital
Offshore, Ltd., as such may be amended, supplemented, restated or otherwise
modified from time to time.

     "Holder" has the meaning given to such term in the first paragraph of this
      ------
Note.

     "Interest Payment Date" means April 14, 2001 and April 14, 2002.
      ---------------------

     "Maturity Date" means April 14, 2002.
      -------------

     "Maximum Rate" means the maximum nonusurious interest rate permitted under
      ------------
applicable law.
<PAGE>

     "Note" and "Notes" means this Senior Secured Convertible Promissory Note
      ----       -----
made by the Company payable to the Holder, together with all amendments and
supplements hereto, all substitutions and replacements herefor, and all
renewals, extensions, increases, restatements, modifications, rearrangements and
waivers hereof from time to time.

     "Pledge Agreement" means that certain Pledge Agreement, dated as of April
      ----------------
14, 2000, by and among the Company and Greenlight Capital, L.P., Greenlight
Capital Qualified, L.P., and Greenlight Capital Offshore, Ltd., as such may be
amended, supplemented, restated or otherwise modified from time to time.

     "Securities Purchase Agreement" means that certain Securities Purchase
      -----------------------------
Agreement, dated as of April 14, 2000, by and among the Company and Greenlight
Capital, L.P., Greenlight Capital Qualified, L.P., and Greenlight Capital
Offshore, Ltd., as such may be amended, supplemented, restated or otherwise
modified from time to time.

     1.2  Incorporated Definitions. Capitalized terms used in this Note and not
          ------------------------
otherwise defined herein shall have the meanings set forth in the Securities
Purchase Agreement.

                           ARTICLE 2.   BASIC TERMS.
                                        -----------

     2.1  Identification. This Note is one of the Convertible Notes referred to
          --------------
in the Securities Purchase Agreement and is entitled to the benefits thereof,
including, but not limited to, Article 8 thereof, which sets forth certain
                               ---------
Events of Default and remedies.

     2.2  Principal.
          ---------

          (a) Scheduled Repayment. The principal of this Note shall be due and
              -------------------
payable on the Maturity Date.

          (b) Right to Prepay.  The Company shall have the right to prepay this
              ---------------
Note in full or in part without penalty subject to the Holder's right to convert
amounts payable hereunder to shares of Common Stock of the Company as described
in the Securities Purchase Agreement.

          (c) Mechanics of Prepayment.  The Company shall effect the prepayment
              -----------------------
at Company's election under this Section 2.2 by giving prior written notice (the
"Option Prepayment Notice"), which notice may only be delivered on a Business
 ------------------------
Day, and at least 10 Business Days prior to the date on which such prepayment is
to become effective (the "Effective Time of Prepayment") to the holder of this
                          ----------------------------
Note at the address and facsimile number of such holder appearing in the
Securities Purchase Agreement.  The Option Prepayment Notice shall indicate the
prepayment amount and Effective Time of Prepayment.

          (d) Restriction on Prepayment. The Company may not deliver an Optional
              -------------------------
Prepayment Notice or effect a prepayment unless on or prior to the date of
delivery of such Optional Prepayment Notice, the Company shall have deposited
with an escrow agent reasonably satisfactory to Holder, as a trust fund, cash
sufficient in amount to pay all amounts to which holders are entitled upon such
prepayment pursuant to this Section 2.2, with irrevocable
<PAGE>

instructions and authority to such escrow agent to complete the prepayment
thereof in accordance with this Section 2.2.

          (e) Officer Certification. Any optional Prepayment Notice delivered in
              ---------------------
accordance with this Section 2.2 shall be accompanied by a statement executed by
a duly authorized officer of its transfer agent or escrow agent, certifying the
amount of funds which have been deposited with such transfer agent or escrow
agent and that the transfer agent or escrow agent has been instructed and agrees
to act as prepayment agent hereunder.

     2.3  Interest.
          --------

          (a) Interest will accrue on the Notes from the date hereof (the "Issue
                                                                           -----
Date") and will be payable in either cash or additional Notes of like tenor, at
----
the election of the Company. The Company will deliver notice of its election to
the Holder at least five Business Days prior to each Interest Payment Date.  The
Issuer agrees to pay interest in respect of the unpaid principal amount of this
Note at a rate per annum equal to the lesser of the Applicable Rate and the
Maximum Rate. Notwithstanding the preceding sentence, the Company agrees to pay
interest in respect of overdue principal, and, to the extent permitted by law,
overdue interest, at a rate per annum equal to the lesser of the Default Rate
and the Maximum Rate.  The Company shall also pay interest at the lesser of the
Default Rate and the Maximum Rate if an Event of Default has occurred and is
continuing.  No fractional shares of Common Stock shall be issued.

          (b) Interest on the principal of this Note shall be due and payable
(i) on each Interest Payment Date and the Maturity Date, (ii) upon the optional
redemption or the payment or prepayment, in full, of the principal of this Note,
(iii) at the maturity of this Note (whether by acceleration or otherwise), and
(iv) after maturity (whether by acceleration or otherwise), on demand.

          (c) All computations of interest, both before and after maturity,
shall be made on the basis of a year of 365 days (or 366 days, as applicable)
for the actual number of days (including the first day but excluding the last
day) occurring in the period for which such interest is payable.

          (d) Additional Interest may accrue as described in Section 2.11 of
this Note.

     2.4  Conversion. Subject to the provisions of Article 9 of the Securities
          ----------                               ---------
Purchase Agreement, the Holder may, at the Holder's option, from time to time,
convert any or all of the principal of and/or accrued but unpaid interest on
this Note into Common Stock at the Conversion Price. Reference is made to
Article 9 of the Securities Purchase Agreement for a complete statement of the
---------
rights and obligations of the Company and the Holder with respect to conversion
of this Note into Common Stock.

     2.5  Payments in General. Whenever any payment to be made under this Note
          -------------------
shall be stated to be due on a day that is not a Business Day, the due date
thereof shall be extended to the next succeeding Business Day, and, with respect
to payments of principal, interest thereon shall
<PAGE>

be payable at the Applicable Rate during such extension. Each payment received
by the Holder shall be applied first to late charges and collection expenses, if
any, then to the payment of accrued but unpaid interest hereunder, and then to
the reduction of the unpaid principal balance hereof.

     2.6  Surrender of Note on Redemption, Prepayment or Conversion. Upon any
          ---------------------------------------------------------
conversion of any or all of this Note to Common Stock or any prepayment or
redemption of this Note, this Note may, at the option of the Holder or if
requested by the Company, and shall, as a condition to transfer, be surrendered
to the Company in exchange for a new Note in a principal amount equal to the
principal amount remaining unpaid on the surrendered Note, or made available to
the Company for notation thereon of the portion of the principal and interest so
redeemed, prepaid or converted. In case the entire principal amount of this Note
is redeemed, prepaid or converted, this Note shall be surrendered to the Company
for cancellation and shall not be reissued.

     2.7  Guarantees.  Subject to the provisions of the Guarantee Agreement, the
          ----------
principal of and interest on the Notes will be guaranteed jointly and severally
by the Subsidiary Guarantors on a senior basis (the "Guarantees"). The
                                                     ----------
Guarantees of the Notes issued by any Subsidiary Guarantor will be senior to all
existing and future Indebtedness of such Subsidiary Guarantors which is not
expressly subordinate or junior in right of payment to the Guarantees.

     2.8  Security/Ranking. The Notes will be secured by the Collateral and will
          ----------------
be senior to any existing or future Indebtedness of the Company which is not
expressly subordinate or junior in right of payment to the Notes.

     2.9  Use of Proceeds. The net proceeds from the Notes will be used to repay
          ---------------
existing debt owing by the Company to C&S Private Equity Fund, L.P. and
prepayment penalties, if any,  and fund working capital and expansion
requirements and to pay related fees and expenses.

     2.10 Certain Covenants. The Securities Purchase Agreement contains certain
          -----------------
covenants as set forth therein and such covenants are herein incorporated by
reference.

     2.11 Registration Rights.  Shares of Common Stock issuable under the terms
          -------------------
of this Note shall have registration rights as described in the Registration
Rights Agreement.  Among other provisions, in the event of a default by the
Company in its obligations to register shares under the Registration Rights
Agreement or any other material default under the Registration Rights Agreement,
which material default is not cured within 10 days after the occurrence thereof
(a "Registration Default"), the Note will accrue additional interest
    --------------------
("Additional Interest") as follows: the per annum interest rate on the Note will
---------------------
increase by an additional 500 basis points from the date of the Registration
Default and for 90 days thereafter, and then the per annum interest rate will
increase by an additional 25 basis points for each subsequent 90-day period
during which the Registration Default remains uncured. All Additional Interest
will be payable in cash monthly on the first of each month, commencing with the
first such date occurring after any such Additional Interest commences to
accrue, until such Registration Default is cured. After the date on which such
Registration Default is cured, the interest rate on the Note will revert to the
interest rate in effect prior to the Registration Default.
<PAGE>

     2.12 Event of Default.  Upon the occurrence of an Event of Default, the
          ----------------
unpaid balance of the principal amount of this Note, together with all accrued
and unpaid interest thereon, may become, or may be declared to be, due and
payable in the manner, upon the conditions and with the effect provided in
Section 8.2 of the Securities Purchase Agreement.

                       ARTICLE 3.  COLLATERAL.
                                   -----------

     3.1  Generally.Section 3.1.  Generally. As security for the payment of all
          --------- ------------------------
liabilities of Issuer to Holder, including without limitation: (i) indebtedness
evidenced under the Notes, advances and other extensions of credit, all fees and
charges owing by Issuer, and all other liabilities and obligations of every kind
or nature whatsoever of Issuer to Holder, whether now existing or hereafter
incurred, joint or several, matured or unmatured, direct or indirect, primary or
secondary, related or unrelated, due or to become due, including but not limited
to any extensions, modifications, substitutions, increases and renewals thereof,
(ii) the payment of all amounts advanced by Holder to preserve, protect, defend,
and enforce its rights hereunder and in the following property in accordance
with the terms of the Notes and Securities Purchase Agreement, and (iii) the
payment of all expenses incurred by Holder in connection therewith
(collectively, the "Obligations"). Issuer hereby assigns and grants to Holder,
                    -----------
to the extent permitted by applicable law, a continuing first priority lien on
and security interest in, upon, and to the Collateral.

     3.2  Lien Documents. At Closing and thereafter as Holder deems necessary in
          --------------
its sole discretion, Issuer shall execute and
deliver to Holder, or have executed and delivered (all in form and substance
satisfactory to Holder in its sole discretion):

          (a)  the Pledge Agreement;

          (b)  the Guarantee Agreement;

          (c) UCC-1 Financing statements pursuant to the Uniform Commercial Code
in effect in the jurisdiction(s) in which Issuer operates, which Holder may file
in any jurisdiction where any Collateral is or may be located and in any other
jurisdiction that Holder deems appropriate; provided that a carbon,
                                            --------
photographic, or other reproduction or other copy of the Securities Purchase
Agreement or of a financing statement is sufficient as and may be filed in lieu
of a financing statement; and

          (d) any other agreements, documents, instruments, and writings deemed
necessary by Holder or as Holder may otherwise request from time to time in its
reasonable discretion to evidence, perfect, or protect Holder's lien and
security interest in the Collateral required hereunder.

     3.3  Other Actions. In addition to the foregoing, Issuer (i) shall do
          --------------
anything further that may be lawfully required by Holder to secure Holder and
effectuate the intentions and objects of the Notes, Pledge Agreement, and the
Securities Purchase Agreement, including but not limited to the execution and
delivery of continuation statements, amendments to financing statements, and
any other documents required hereunder. At Holder's
<PAGE>

request, Issuer shall also immediately deliver to Holder all items for which
Holder must receive possession to obtain a perfected security interest. Issuer
shall, on Holder's demand, deliver to Holder all notes, certificates, and
documents of title, instruments, and any other similar instruments constituting
Collateral.

     3.4  Power of Attorney. Upon the occurrence of an Event of Default and
          ------------------
while an Event of Default is continuing, each of the officers of Holder is
hereby irrevocably made, constituted and appointed the true and lawful attorney
for Issuer (without requiring any of them to act as such) with full power of
substitution to do the following: (i) execute in the name of Issuer any
financing statements, schedules, assignments, instruments, documents, and
statements that Issuer is obligated to give Holder hereunder; and (ii) do such
other and further acts and deeds in the name of Issuer that may be reasonably
necessary or desirable to enforce any Collateral or perfect Holder's security
interest or lien in any Collateral.

                           ARTICLE 4. MISCELLANEOUS.
                                      -------------

     4.1  Amendment. This Note may be amended, modified, superseded or canceled,
          ---------
and any of the terms, covenants, representations, warranties or conditions
hereof and thereof may be waived only by a written instrument that satisfies the
requirements of Section 10.2 of the Securities Purchase Agreement.
                ------------

     4.2  Successors and Assigns.
          ----------------------

          (a) The rights and obligations of the Company and the Holder under
this Note shall be binding upon, and inure to the benefit of, and be enforceable
by, the Company and the Holder, and their respective permitted successors and
assigns.

          (b) The Holder may not sell, assign (by operation of law or
otherwise), transfer, pledge, grant a security interest in, or otherwise dispose
of this Note or any portion hereof or any rights or obligations hereunder except
in compliance with Section 10.5 of the Securities Purchase Agreement, which
                   ------------
contains certain restrictions on the transferability hereof.

          (c) The registered owner of this Note may be treated as the owner of
this Note for all purposes.

     4.3  GOVERNING LAW. THIS NOTE AND THE VALIDITY AND ENFORCEABILITY HEREOF
          -------------
SHALL BE GOVERNED BY AND CONSTRUED AND INTERPRETED IN ACCORDANCE WITH THE LAWS
OF THE STATE OF NEW YORK WITHOUT GIVING EFFECT TO CONFLICT OF LAWS RULES OR
CHOICE OF LAWS RULES THEREOF.

     4.4  Waivers. Except as may be otherwise provided herein, the makers,
          -------
signers, sure-ties, guarantors and endorsers of this Note severally waive
demand, presentment, notice of dishonor, notice of intent to demand or
accelerate payment hereof, notice of acceleration, diligence in collecting,
grace, notice, and protest, and agree to one or more extensions for any
<PAGE>

period or periods of time and partial payments, before or after maturity,
without prejudice to the Holder.

     4.5  No Waiver by Holder. No failure or delay on the part of the Holder in
          -------------------
exercising any right, power or privilege hereunder and no course of dealing
between the Company and the Holder shall operate as a waiver thereof; nor shall
any single or partial exercise of any right, remedy, power or privilege
hereunder preclude any other or further exercise thereof or the exercise of any
other right, remedy, power or privilege.

     4.6  Limitation on Interest. Notwithstanding any other provision of this
          ----------------------
Note, interest on the indebtedness evidenced by this Note is expressly limited
so that in no contingency or event whatsoever, whether by acceleration of the
maturity of this Note or otherwise, shall the interest contracted for, charged
or received by the Holder exceed the maximum amount permissible under applicable
law. If from any circumstances whatsoever fulfillment of any provisions of this
Note or of any other document evidencing, securing or pertaining to the
indebtedness evidenced hereby, at the time performance of such provision shall
be due, shall involve transcending the limit of validity prescribed by law,
then, ipso facto, the obligation to be fulfilled shall be reduced to the limit
of such validity, and if from any such circumstances the Holder shall ever
receive anything of value as interest or deemed interest by applicable law under
this Note or any other document evidencing, securing or pertaining to the
indebtedness evidenced hereby or otherwise an amount that would exceed the
highest lawful rate, such amount that would be excessive interest shall be
applied to the reduction of the principal amount owing under this Note or on
account of any other indebtedness of the Company to the Holder, and not to the
payment of interest, or if such excessive interest exceeds the unpaid balance of
principal of this Note and such other indebtedness, such excess shall be
refunded to the Company. In determining whether or not the interest paid or
payable with respect to any indebtedness of the Company to the Holder, under any
specific contingency, exceeds the highest lawful rate, the Company and the
Holder shall, to the maximum extent permitted by applicable law, (a)
characterize any non-principal payment as an expense, fee or premium rather than
as interest, (b) exclude voluntary prepayments and the effects thereof, (c)
amortize, prorate, allocate and spread the total amount of interest throughout
the term of such indebtedness so that the actual rate of interest on account of
such indebtedness does not exceed the maximum amount permitted by applicable
law, and/or (d) allocate interest between portions of such indebtedness, to the
end that no such portion shall bear interest at a rate greater than that
permitted by applicable law. The terms and provisions of this paragraph shall
control and supersede every other conflicting provision of this Note and all
other agreements between the Company and the Holder.
<PAGE>

     EXECUTED as of the date first written above.

                                        GRACE DEVELOPMENT INC.

                                        By:_________________________________

                                        Name:_______________________________

                                        Title:______________________________

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