Document:

<PAGE>
                                                                   EXHIBIT 10.12

                       AIRTECH INTERNATIONAL GROUP, INC.
                             Distributor Agreement

This Agreement made on this date of March 15, 2001 by and between Airtech
International Group, Inc., having its principal place of business at 15400 Knoll
Trail, Suite 200, Dallas, Texas, 75248, ("AIRTECH INTERNATIONAL GROUP, INC.")
herein, and Southern Therapy, Inc., having its principal place of business at
Austin Texas, ("Distributor") herein, collectively the "Parties" herein,
mutually agree as follows:

1.   Relationship

          AIRTECH INTERNATIONAL GROUP, INC. grants and the Distributor accepts:

          1.1.    The right to purchase AIRTECH INTERNATIONAL GROUP, INC's.
                  Product Model 950 brand name labeled as "Airsopure" directly
                  from AIRTECH INTERNATIONAL GROUP, INC., at the price and terms
                  outlined in the most current published AIRTECH INTERNATIONAL
                  GROUP, INC. distributor price pages.

          1.2.    The right to stock, display, promote and aggressively sell the
                  Products to customers who are within the distributor's normal
                  marketing area.

2.   Distributor Duties and Obligations

          The Distributor shall:

          2.1.    Arrange for Airtech training for Distributor owners, sales
                  managers, sales staff, sales associates and technical staff to
                  occur within 45 days of signing this Agreement.

          2.2.    Develop and implement a proactive business plan, which
                  Distributor and Airtech International Group, Inc. will agree
                  upon.

          2.3.    Actively promote the Product to potential customers through
                  periodic mailings, promotions or other accepted marketing
                  practices. Product marketing and support from Airtech when
                  requested.

          2.4.    Assign the responsibility for the success of the Product to at
                  least one sales person who will be the specialist and champion
                  for these products. Airtech to assist as needed.

          2.5.    Maintain a reasonable inventory of the Product including
                  replacement filters, to facilitate customer satisfaction.
                  Services and support to be handled through Airtech.

          2.6.    Not sell Product for shipment out of the United States of
                  America without first written approval of Airtech
                  International Group, Inc.

          2.7.    Comply with all federal, state, and local laws, regulations,
                  statues, etc., affecting the performance of business and this
                  Agreement.

          2.8.    Follow up all leads to the disposition phase. This includes
                  any and all leads referred by Airtech International Group,
                  Inc.
<PAGE>

          2.9.    Keep copies of lead dispositions for review by Airtech
                  International Group, Inc. Weekly sales reports and lead sheet
                  reviews to be delivered to Airtech.

          2.10.   Distributor shall pay for all Airtech invoices when they are
                  paid by purchaser. Distributor shall use all means available
                  to accelerate payments. Ultimate collection lies with
                  Distributor and they will be responsible for payment.

3.   AIRTECH INTERNATIONAL GROUP, INC. Duties and Responsibilities

          AIRTECH INTERNATIONAL GROUP, INC. shall:

          3.1.    Support the distributor efforts through various marketing
                  initiatives, Product brochures, Product trend and technology
                  correspondence, in-house training and other efforts deemed
                  beneficial to the growth of the distributor business.

          3.2.    Ship direct from plant based upon sales orders approved by
                  STI, Distributor.

          3.3.    Furnish reasonable quantities of brochures and other support
                  and marketing materials as needed, Distributor shall be
                  responsible for prudent dissemination of support materials.

          3.4.    Provide technical and sales training and field sales support
                  as required.

          3.5.    Maintain reasonable levels of standard Product stock to
                  facilitate prompt deliveries.

          3.6.    Keep abreast of market and Product trends and inform the
                  distributor of new opportunities.

          3.7.    Notify Distributor of policy, pricing and other changes or
                  practices that may affect business, markets and the customer,
                  etc., sixty (60) days prior to the change, whenever practical.

          3.8.    Comply with all applicable federal, state and local laws,
                  regulations, statute, etc., affecting the performance of
                  business and this Agreement.

4.   Cost and Expenses

          Each party shall be solely responsible for all costs and expenses
          incurred by it in performing its duties under this Agreement,
          including, but not limited to, salaries, employee commissions,
          advertisements, promotions, travel, delays, etc., unless otherwise
          stated and agreed to by all parties involved. Airtech has agreed under
          separate cover to supplement Distributor costs and expenses.

5.   Patents and Trademarks

          Distributor agrees not to contest the validity of any licenses,
          patents, trademarks and/or rights thereto now or hereafter used or
          claimed by AIRTECH INTERNATIONAL GROUP, INC. and to notify AIRTECH
          INTERNATIONAL GROUP, INC. promptly of any infringement thereof by
          others whenever such acts come to the attention of the Distributor.

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                                       2
<PAGE>

6.   Indemnification

          Distributor shall defend, indemnify and hold harmless AIRTECH
          INTERNATIONAL GROUP, INC., its representatives, agents and employees
          from and against all claims, damages, losses and expenses arising out
          of the Distributor's sale or use of the Product, except gross
          negligence of Airtech International Group, Inc. Airtech International
          Group, Inc. shall defend, indemnify and hold harmless Distributor, its
          representatives, agents and employees from and against all claims,
          damages, loses, and expenses arising out of the sale of Airtech
          International Group, Inc. Product, except gross negligence of
          Distributor.

7.   Sales Territory

          7.1.    The Distributor may market the Product within the geographical
                  area considered to be the Distributor's normal marketing area,
                  ("Sales Territory") including branch operations, The Sales
                  Territory is the United States market for medical equipment
                  (Medical Market). The Medical Market is but not limited to the
                  DMEs, HMEs and medical equipment distributors that carry other
                  medical supplies for sale to persons with a physician's
                  prescription. The Sales Territory will be exclusive to the
                  Distributor. Any land areas not included will be expressly
                  noted in an appendix attached to this Agreement. This
                  Agreement assumes that a HCPCS Code application will be
                  submitted and pursued with best efforts (Airtech International
                  Group, Inc. does not guarantee that a code will be received)
                  and that the Medicare Code for the Product will be pursued at
                  the sole discretion of Airtech International Group, Inc.

          7.2.    The Distributor understands and accepts that other
                  wholesalers, distributors, retail merchandiser or other
                  channels of distribution including the Internet or catalogues
                  may be utilized by Airtech International Group, Inc. for the
                  sale of Product and other Airtech International Group, Inc.
                  products within the same geographic Sales Territory. These
                  other means of distribution will not target the Medical Market
                  of Distributor.

          7.3.    Airtech International Group, Inc. may expand Distributor's
                  Sales Territory based on area potentials, previous agreements,
                  marketing policy, and the effectiveness of current
                  distributors. The Distributor will not participate in the
                  sales efforts of other channels of distribution, or receive
                  commission or payments of any kind from sales to or by other
                  channels of distribution.

          7.4.    The Distributor may not sell Airtech Product through the
                  Internet, catalogues or direct sales efforts outside of the
                  Sales Territory without written consent of Airtech
                  International Group, Inc.

8.   Performance Expectations

          8.1.    A three year goal for net purchases of these Product, expected
                  of and agreed to by the distributor, is as follows:

                  Net Purchases of $1,000,000 from 04/01/2001 to 03/31/2002 Net
                  Purchases of $2,000,000 from 04/01/2002 to 03/31/2003 Net
                  Purchases of $3,000,000 from 04/01/2003 to 03/31/2004 Terms of
                  purchase are ninety (90) days payment is due in full.

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                                       3
<PAGE>

          8.2.    The Distributor understands and accepts that if these agreed
                  upon goals are not achieved, and it is determined that the
                  Distributor has not implemented the actions required to
                  achieve these goals, the following actions may be taken:

                  a) This Agreement may be terminated by Airtech International
                     Group, Inc. (see 9.2, c.)

                  b) This Agreement will continue and additional distribution
                     channels may be established. (This statement is not
                     intended to imply that the distributor has an exclusive
                     agreement or sales territory).

                  c) Taking any action or failure to take any action allowed
                     under this Agreement does not restrict Airtech from taking
                     or not taking any action in the future. It is not required
                     for the three years to occur in order to invoke this
                     paragraph.

9.   Term and Termination

          9.1.    This Agreement shall be binding for a period of three years
                  from the date of execution and shall automatically renew and
                  extend for consecutive one year terms if notification to the
                  contrary is not given thirty (30) days before the anniversary
                  date.

          9.2.    This Agreement may be terminated or modified as follows:

                  a) Prior to the end of the three-year period by either party
                     without cause, and without time to cure, upon ninety (90)
                     days written notice to the other party.

                  b) Immediately by AIRTECH INTERNATIONAL GROUP, INC. upon
                     written notice to Distributor in the event Distributor is
                     adjudicated as bankrupt, becomes insolvent or makes an
                     assignment for the benefit of creditors.

                  c) By either party upon ninety (90) days written notice if the
                     other party is in material breach of any of the terms of
                     this Agreement or any joint business plans or Distributor's
                     failure to reach agreed upon market penetration goals
                     measured by annual purchases of AIRTECH INTERNATIONAL
                     GROUP, INC. products.

                  d) In the event of termination of this Agreement by either
                     party, AIRTECH INTERNATIONAL GROUP, INC. shall have the
                     option to repurchase all Products purchased hereunder of
                     current design, unused and in saleable condition, which are
                     in Distributor's inventory at the time of termination. If
                     the termination is by AIRTECH INTERNATIONAL GROUP, INC.,
                     AIRTECH INTERNATIONAL GROUP, INC. shall pay the original
                     purchase price as substantiated by the invoice or, if an
                     invoice is unavailable, the published price prevailing at
                     the time of manufacture. If the termination is by the
                     Distributor, a handling charge of fifteen percent (15%)
                     shall be deducted from the purchase price.

                  e) Upon termination, Distributor shall return all books and
                     records of Airtech International Group, Inc. to Dallas
                     headquarters via prepaid freight.

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<PAGE>

10.  Additional Provisions

          10.1.   Changes in Design. AIRTECH INTERNATIONAL GROUP, INC. may make
                  ------------------
                  reasonable changes of any kind without notice and deliver
                  revised designs or models of the Products against any order
                  accepted by AIRTECH INTERNATIONAL GROUP, INC. AIRTECH
                  INTERNATIONAL GROUP, INC. will not be responsible to the
                  Distributor in any way for any inventory in the Distributor's
                  possession of prior models of the Product or manufactured
                  under prior design or specifications.

          10.2.   Force Majeure. AIRTECH INTERNATIONAL GROUP, INC. shall not be
                  --------------
                  liable for any delay in the delivery of any Products if such
                  delay is due to any cause beyond the reasonable control of
                  AIRTECH INTERNATIONAL GROUP, INC. In the event of any such
                  delay, the dates for performance by AIRTECH INTERNATIONAL
                  GROUP, INC. shall be extended for a period equal to the time
                  lost by reason of such delay.

          10.3.   Distributor Not Agent. Distributor is an independent
                  ----------------------
                  contractor and shall not be considered in any respect an agent
                  or representative of AIRTECH INTERNATIONAL GROUP, INC. and the
                  Distributor shall not represent or hold out itself or its
                  agents or representatives as the agents or representatives of
                  AIRTECH INTERNATIONAL GROUP, INC., nor shall it allow others
                  to do so.

          10.4.   Assignability. This Agreement may not be assigned or otherwise
                  --------------
                  transferred by the Distributor without prior written consent
                  by AIRTECH INTERNATIONAL GROUP, INC. Any purported attempt to
                  assign or transfer this Agreement without AIRTECH
                  INTERNATIONAL GROUP, INC.'s prior written consent shall be
                  null and void and shall, at Airtech International Group,
                  Inc.'s option immediately terminate this Agreement.

          10.5.   Change in Control. Transfer of a controlling interest in
                  -----------------
                  Distributor to a party not in control at the time of execution
                  of this Agreement shall be deemed an assignment without
                  Airtech International Group, Inc.'s consent.

          10.6.   Use of Trade Name. The Distributor shall not use in it's
                  ------------------
                  corporate, firm or individual name, or allow to be used by
                  others in their corporate, firm or individual names, insofar
                  as the Distributor has any power to prevent such use, the
                  words Airtech International Group, Inc., Airsopure, and/or any
                  other name, logo or trademark adopted by AIRTECH INTERNATIONAL
                  GROUP, INC. for products or service or any words or names or
                  combinations of words or names closely resembling any of them.

          10.7.   Warranty. The warranty for the Products is set forth in the
                  --------
                  Product Literature and Installation, Operation and Maintenance
                  manuals.

                  THE WARRANTY SET FORTH IN THE PRODUCT LITERATURE AND
                  INSTALLATION, OPERATION AND MAINTENANCE MANUALS CONSTITUTES
                  THE ENTIRE WARRANTY OF AIRTECH INTERNATIONAL GROUP, INC. WITH
                  RESPECT TO THE PRODUCTS SOLD HEREUNDER AND IS IN LIEU OF ALL
                  OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING ANY WARRANTY
                  OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, OR ANY
                  WARRANTY AGAINST INFRINGEMENT, ALL OF WHICH ARE HEREBY

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<PAGE>

                  EXPRESSLY DISCLAIMED. DISTRIBUTOR SHALL NOT CHARGE AIRTECH
                  INTERNATIONAL GROUP, INC. FOR ANY WARRANTY LABOR.

          10.8.   Disclaimers. IN NO EVENT SHALL AIRTECH INTERNATIONAL GROUP,
                  ------------
                  INC. BE LIABLE FOR ANY INDIRECT, SPECIAL, INCIDENTAL OR
                  CONSEQUENTIAL DAMAGES RESULTING FROM ANY PERFORMANCE OR
                  FAILURE TO PERFORM UNDER THIS AGREEMENT, OR ANY PURCHASE ORDER
                  ISSUED HEREUNDER, OR THE USE OR PERFORMANCE OF THE PRODUCTS
                  SOLD HEREUNDER, WHETHER DUE TO BREACH OF CONTRACT, BREACH OF
                  WARRANTY, NEGLIGENCE OR OTHERWISE.

          10.9.   Notices. Any notice required or permitted hereunder shall be
                  --------
                  sufficient if sent by first-class mail, postage prepaid to the
                  other party at the address specified herein, except that any
                  notice of termination or other pertinent responsibilities, may
                  be by certified mail, return receipt requested. Either party
                  may designate a new address for the purposes of notice by
                  certified mail, return receipt requested.

          10.10.  Governing Law. This Agreement shall be construed and the
                  --------------
                  relations between the parties determined in accordance with
                  the laws of the State of Texas.

          10.11.  Entire Agreement. This Agreement contains the entire agreement
                  -----------------
                  between the parties and supersedes all prior agreements,
                  representations, promises and understandings, whether written
                  or oral, which have been made in connection with the subject
                  matter hereof. Any terms and conditions on any purchase order
                  or other document issued by the Distributor shall be
                  inapplicable to any sale of Products pursuant to this
                  Agreement.

          10.12.  Binding Effect. This Agreement shall be binding upon, inure to
                  ---------------
                  the benefit of, and be enforceable by and against the parties
                  hereto and their respective heirs, successors, personal
                  representatives, legal representatives and assigns.

          10.13.  Captions. The headings used in this Agreement are for
                  ---------
                  illustrative purposes only, the wording in the paragraphs will
                  control.

          10.14.  Arbitration. The Parties agree to submit any disputes arising
                  ------------
                  from this Agreement to binding Arbitration in lieu of other
                  legal means of resolutions. The Parties agree that the
                  Arbitration will be held in Dallas Texas under the control of
                  the American Arbitration Association or equivalent, if not
                  available.

          10.15.  Confidentiality Agreement. The Parties agree to enter into a
                  -------------------------
                  Mutual Confidentiality Agreement that is incorporated by
                  reference herein.

          10.16.  Counterparts. This Agreement may be executed in one or more
                  ------------
                  counterparts, each of which shall be deemed an original, but
                  all of which together shall constitute one and the same
                  instrument.

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<PAGE>

IN WITNESS WHEREOF, the Parties hereto have executed this Agreement as of the
date first above written.

ACCEPTED BY: (DISTRIBUTOR)

--------------------------------    --------------------------------
Print or Type Name         Title    Print or Type Name         Title

--------------------------------    --------------------------------
Signature                  Date     Signature                  Date

Notice to:
Southern Therapy, Inc.
Austin TX

Additional notice to:

ACCEPTED BY: AIRTECH INTERNATIONAL GROUP, INC.

C.J. Comu                           Address for notice:
Chief Executive Officer             15400 Knoll Trail, Suite 200
                                    Dallas, Texas 75248

-------------------------------
Signature                  Date

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                                       7<PAGE>

                                                                     Exhibit 4.1

                         SECURITIES PURCHASE AGREEMENT

     SECURITIES PURCHASE AGREEMENT (this "Agreement"), dated as of May 8, 2001,
by and among e resources inc, a Utah corporation with its headquarters located
at 304 Highway 377, Roanoke, Texas  76262 (the "Company"), and each of the
purchasers set forth on the signature pages hereto (the "Buyers").

   WHEREAS:

   A.  The Company and the Buyers are executing and delivering this Agreement in
reliance upon the exemption from securities registration afforded by Rule 506
under Regulation D ("Regulation D") as promulgated by the United States
Securities and Exchange Commission (the "SEC") under the Securities Act of 1933,
as amended (the "1933 Act");

   B.  Buyers desire to purchase and the Company desires to issue and sell, upon
the terms and conditions set forth in this Agreement (i) 12% secured convertible
debentures of the Company, in the form attached hereto as Exhibit "A", in the
aggregate principal amount of up to Six Hundred Thousand Dollars ($600,000)
(together with any debenture(s) issued in replacement thereof or as a dividend
thereon or otherwise with respect thereto in accordance with the terms thereof,
the "Debentures"), convertible into shares of common stock, $0.001 par value per
share, of the Company (the "Common Stock"), upon the terms and subject to the
limitations and conditions set forth in such Debentures and (ii) warrants, in
the form attached hereto as Exhibit "B", to purchase up to Six Hundred Thousand
(600,000) shares of Common Stock (the "Warrants");

   C.  Each Buyer wishes to purchase, upon the terms and conditions stated in
this Agreement, such principal amount of Debentures and number of Warrants as is
set forth immediately below its name on the signature pages hereto; and

   D.  Contemporaneous with the execution and delivery of this Agreement, the
parties hereto are executing and delivering a Registration Rights Agreement, in
the form attached hereto as Exhibit "C" (the "Registration Rights Agreement"),
pursuant to which the Company has agreed to provide certain registration rights
under the 1933 Act and the rules and regulations promulgated thereunder, and
applicable state securities laws.

   NOW THEREFORE, the Company and each of the Buyers severally (and not jointly)
hereby agree as follows:

               1.  PURCHASE AND SALE OF DEBENTURES AND WARRANTS.
                   --------------------------------------------

       a.  Purchase of Debentures and Warrants.  On the Closing Date (as defined
           -----------------------------------
below), the Company shall issue and sell to each Buyer and each Buyer severally
and not jointly agrees to purchase from the Company such principal amount of
Debentures and number of Warrants as is set forth immediately below such Buyer's
name on the signature pages hereto.
<PAGE>

       b.  Form of Payment.  On the Closing Date (as defined below), (i) each
           ---------------
Buyer shall pay the purchase price for the Debentures and the Warrants to be
issued and sold to it at the Closing (as defined below) (the "Purchase Price")
by wire transfer of immediately available funds to the Company, in accordance
with the Company's written wiring instructions, against delivery of the
Debentures in the principal amount equal to the Purchase Price and the number of
Warrants as is set forth immediately below such Buyer's name on the signature
pages hereto, and (ii) the Company shall deliver such Debentures and Warrants
duly executed on behalf of the Company, to such Buyer, against delivery of such
Purchase Price.

       c.  Closing Date.  Subject to the satisfaction (or waiver) of the
           ------------
conditions thereto set forth in Section 6 and Section 7 below, the date and time
of the issuance and sale of the Debentures and the Warrants pursuant to this
Agreement (the "Closing Date") shall be 10:00 a.m. Eastern Standard Time on May
8, 2001 or such other mutually agreed upon time. The closing of the transactions
contemplated by this Agreement (the "Closing") shall occur on the Closing Date
at the offices of Ballard Spahr Andrews & Ingersoll, LLP, 1735 Market Street,
51st Floor, Philadelphia, Pennsylvania 19103-7599 or at such other location as
may be agreed to by the parties.

   2.  BUYERS' REPRESENTATIONS AND WARRANTIES.  Each Buyer severally (and not
       --------------------------------------
jointly) represents and warrants to the Company solely as to such Buyer that:

       a.  Investment Purpose.  As of the date hereof, the Buyer is purchasing
           ------------------
the Debentures and the shares of Common Stock issuable upon conversion of or
otherwise pursuant to the Debentures (including, without limitation, such
additional shares of Common Stock, if any, as are issuable as a result of the
events described in Sections 1.3 and 1.4(g) of the Debentures and Section 2(c)
of the Registration Rights Agreement, such shares of Common Stock being referred
to herein as the "Conversion Shares") and the Warrants and the shares of Common
Stock issuable upon exercise thereof (the "Warrant Shares" and, collectively
with the Debentures, Warrants and Conversion Shares, the "Securities") for its
own account and not with a present view towards the public sale or distribution
thereof, except pursuant to sales registered or exempted from registration under
the 1933 Act; provided, however, that by making the representations herein, the
              --------  -------
Buyer does not agree to hold any of the Securities for any minimum or other
specific term and reserves the right to dispose of the Securities at any time in
accordance with or pursuant to a registration statement or an exemption under
the 1933 Act.

       b.  Accredited Investor Status.  The Buyer is an "accredited investor" as
           --------------------------
that term is defined in Rule 501(a) of Regulation D (an "Accredited Investor").

       c.  Reliance on Exemptions.  The Buyer understands that the Securities
           ----------------------
are being offered and sold to it in reliance upon specific exemptions from the
registration requirements of United States federal and state securities laws and
that the Company is relying upon the truth and accuracy of, and the Buyer's
compliance with, the representations, warranties, agreements, acknowledgments
and understandings of the Buyer set forth herein in order to determine the
availability of such exemptions and the eligibility of the Buyer to acquire the
Securities.

                                      -2-
<PAGE>

       d.  Information.  The Buyer and its advisors, if any, have been furnished
           -----------
with all materials relating to the business, finances and operations of the
Company and materials relating to the offer and sale of the Securities which
have been requested by the Buyer or its advisors. The Buyer and its advisors, if
any, have been afforded the opportunity to ask questions of the Company.
Notwithstanding the foregoing, the Company has not disclosed to the Buyer any
material nonpublic information and will not disclose such information unless
such information is disclosed to the public prior to or promptly following such
disclosure to the Buyer. Neither such inquiries nor any other due diligence
investigation conducted by Buyer or any of its advisors or representatives shall
modify, amend or affect Buyer's right to rely on the Company's representations
and warranties contained in Section 3 below. THE BUYER UNDERSTANDS THAT ITS
INVESTMENT IN THE SECURITIES INVOLVES A SIGNIFICANT DEGREE OF RISK.

       e.  Governmental Review.  The Buyer understands that no United States
           -------------------
federal or state agency or any other government or governmental agency has
passed upon or made any recommendation or endorsement of the Securities.

       f.  Transfer or Re-sale.  The Buyer understands that (i) except as
           -------------------
provided in the Registration Rights Agreement, the sale or re-sale of the
Securities has not been and is not being registered under the 1933 Act or any
applicable state securities laws, and the Securities may not be transferred
unless (a) the Securities are sold pursuant to an effective registration
statement under the 1933 Act, (b) the Buyer shall have delivered to the Company
an opinion of counsel (which opinion shall be in form, substance and scope
customary for opinions of counsel in comparable transactions) to the effect that
the Securities to be sold or transferred may be sold or transferred pursuant to
an exemption from such registration, (c) the Securities are sold or transferred
to an "affiliate" (as defined in Rule 144 promulgated under the 1933 Act (or a
successor rule) ("Rule 144")) of the Buyer who agrees to sell or otherwise
transfer the Securities only in accordance with this Section 2(f) and who is an
Accredited Investor, or (d) the Securities are sold pursuant to Rule 144; (ii)
any sale of such Securities made in reliance on Rule 144 may be made only in
accordance with the terms of said Rule and further, if said Rule is not
applicable, any re-sale of such Securities under circumstances in which the
seller (or the person through whom the sale is made) may be deemed to be an
underwriter (as that term is defined in the 1933 Act) may require compliance
with some other exemption under the 1933 Act or the rules and regulations of the
SEC thereunder; and (iii) neither the Company nor any other person is under any
obligation to register such Securities under the 1933 Act or any state
securities laws or to comply with the terms and conditions of any exemption
thereunder (in each case, other than pursuant to the Registration Rights
Agreement). Notwithstanding the foregoing or anything else contained herein to
the contrary, the Securities may be pledged as collateral in connection with a
bona fide margin account or other lending arrangement.
---- ----

       g.  Legends.  The Buyer understands that the Debentures and the Warrants
           -------
and, until such time as the Conversion Shares and Warrant Shares have been
registered under the 1933 Act as contemplated by the Registration Rights
Agreement or otherwise may be sold pursuant to Rule 144 without any restriction
as to the number of securities as of a particular date that can then be
immediately sold, the Conversion Shares and Warrant Shares may bear a
restrictive legend in substantially the following form (and a stop-transfer
order may be placed against transfer of the certificates for such Securities):

                                      -3-
<PAGE>

          "The securities represented by this certificate have not been
          registered under the Securities Act of 1933, as amended.  The
          securities may not be sold, transferred or assigned in the absence of
          an effective registration statement for the securities under said Act,
          or an opinion of counsel, in form, substance and scope customary for
          opinions of counsel in comparable transactions, that registration is
          not required under said Act or unless sold pursuant to Rule 144 under
          said Act."

     The legend set forth above shall be removed and the Company shall issue a
certificate without such legend to the holder of any Security upon which it is
stamped, if, unless otherwise required by applicable state securities laws, (a)
such Security is registered for sale under an effective registration statement
filed under the 1933 Act or otherwise may be sold pursuant to Rule 144 without
any restriction as to the number of securities as of a particular date that can
then be immediately sold, or (b) such holder provides the Company with an
opinion of counsel, in form, substance and scope customary for opinions of
counsel in comparable transactions, to the effect that a public sale or transfer
of such Security may be made without registration under the 1933 Act and such
sale or transfer is effected or (c) such holder provides the Company with
reasonable assurances that such Security can be sold pursuant to Rule 144.  The
Buyer agrees to sell all Securities, including those represented by a
certificate(s) from which the legend has been removed, in compliance with
applicable prospectus delivery requirements, if any.

       h.  Authorization; Enforcement.  This Agreement and the Registration
           --------------------------
Rights Agreement have been duly and validly authorized. This Agreement has been
duly executed and delivered on behalf of the Buyer, and this Agreement
constitutes, and upon execution and delivery by the Buyer of the Registration
Rights Agreement, such agreement will constitute, valid and binding agreements
of the Buyer enforceable in accordance with their terms.

       i.  Residency.  The Buyer is a resident of the jurisdiction set forth
           ---------
immediately below such Buyer's name on the signature pages hereto.

   3.  REPRESENTATIONS AND WARRANTIES OF THE COMPANY.  The Company represents
       ---------------------------------------------
and warrants to each Buyer that:

       a.  Organization and Qualification.  The Company and each of its
           ------------------------------
Subsidiaries (as defined below), if any, is a corporation duly organized,
validly existing and in good standing under the laws of the jurisdiction in
which it is incorporated, with full power and authority (corporate and other) to
own, lease, use and operate its properties and to carry on its business as and
where now owned, leased, used, operated and conducted. Schedule 3(a) sets forth
a list of all of the Subsidiaries of the Company and the jurisdiction in which
each is incorporated. The Company and each of its Subsidiaries is duly qualified
as a foreign corporation to do business and is in good standing in every
jurisdiction in which its ownership or use of property or the nature of the
business conducted by it makes such qualification necessary except where the
failure to be so qualified or in good standing would not have a Material Adverse
Effect. "Material Adverse Effect" means any material adverse effect on the
business, operations, assets, financial condition or prospects of the Company or
its Subsidiaries, if any,

                                      -4-
<PAGE>

taken as a whole, or on the transactions contemplated hereby or by the
agreements or instruments to be entered into in connection herewith.
"Subsidiaries" means any corporation or other organization, whether incorporated
or unincorporated, in which the Company owns, directly or indirectly, any equity
or other ownership interest.

       b.  Authorization; Enforcement.  (i) The Company has all requisite
           --------------------------
corporate power and authority to enter into and perform this Agreement, the
Registration Rights Agreement, the Debentures and the Warrants and to consummate
the transactions contemplated hereby and thereby and to issue the Securities, in
accordance with the terms hereof and thereof, (ii) the execution and delivery of
this Agreement, the Registration Rights Agreement, the Debentures and the
Warrants by the Company and the consummation by it of the transactions
contemplated hereby and thereby (including without limitation, the issuance of
the Debentures and the Warrants and the issuance and reservation for issuance of
the Conversion Shares and Warrant Shares issuable upon conversion or exercise
thereof) have been duly authorized by the Company's Board of Directors and no
further consent or authorization of the Company, its Board of Directors, or its
shareholders is required, (iii) this Agreement has been duly executed and
delivered by the Company, and (iv) this Agreement constitutes, and upon
execution and delivery by the Company of the Registration Rights Agreement, the
Debentures and the Warrants, each of such instruments will constitute, a legal,
valid and binding obligation of the Company enforceable against the Company in
accordance with its terms.

       c.  Capitalization.  As of the date hereof, the authorized capital stock
           --------------
of the Company consists of (i) 250,000,000 shares of Common Stock, of which
14,700,954 shares are issued and outstanding, 1,000,000 shares are reserved for
issuance pursuant to the Company's stock option plans, 172,000 shares are
reserved for issuance pursuant to securities (other than the Debentures, the
Additional Debentures (as defined in Section 4(l)), the Warrants and the
Additional Warrants (as defined in Section 4(l))) exercisable for, or
convertible into or exchangeable for shares of Common Stock and 49,200,000
shares are reserved for issuance upon conversion of the Debentures and the
Additional Debentures and exercise of the Warrants and the Additional Warrants
(subject to adjustment pursuant to the Company's covenant set forth in Section
4(h) below). The Company does not have any shares of preferred stock authorized,
issued or outstanding. All of such outstanding shares of capital stock are, or
upon issuance will be, duly authorized, validly issued, fully paid and
nonassessable. No shares of capital stock of the Company are subject to
preemptive rights or any other similar rights of the stockholders of the Company
or any liens or encumbrances imposed through the actions or failure to act of
the Company. Except as disclosed in Schedule 3(c), as of the effective date of
this Agreement, (i) there are no outstanding options, warrants, scrip, rights to
subscribe for, puts, calls, rights of first refusal, agreements, understandings,
claims or other commitments or rights of any character whatsoever relating to,
or securities or rights convertible into or exchangeable for any shares of
capital stock of the Company or any of its Subsidiaries, 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,
(ii) there are no agreements or arrangements under which the Company or any of
its Subsidiaries is obligated to register the sale of any of its or their
securities under the 1933 Act (except the Registration Rights Agreement) and
(iii) there are no anti-dilution or price adjustment provisions contained in any
security issued by the Company (or in any agreement providing rights to security
holders) that will be triggered by the issuance of

                                      -5-
<PAGE>

the Debentures, the Warrants, the Conversion Shares or Warrant Shares. The
Company has furnished to the Buyer true and correct copies of the Company's
Certificate of Incorporation as in effect on the date hereof ("Certificate of
Incorporation"), the Company's By-laws, as in effect on the date hereof (the
"By-laws"), and the terms of all securities convertible into or exercisable for
Common Stock of the Company and the material rights of the holders thereof in
respect thereto. The Company shall provide the Buyer with a written update of
this representation signed by the Company's Chief Executive Officer or Chief
Financial Officer on behalf of the Company as of the Closing Date.

       d.  Issuance of Shares.  The Conversion Shares and Warrant Shares are
           ------------------
duly authorized and reserved for issuance and, upon conversion of the Debentures
and exercise of the Warrants in accordance with their respective terms, will be
validly issued, fully paid and non-assessable, and free from all taxes, liens,
claims and encumbrances with respect to the issue thereof and shall not be
subject to preemptive rights or other similar rights of stockholders of the
Company and will not impose personal liability upon the holder thereof.

       e.  Acknowledgment of Dilution.  The Company understands and acknowledges
           --------------------------
the potentially dilutive effect to the Common Stock upon the issuance of the
Conversion Shares and Warrant Shares upon conversion of the Debenture, or
exercise of the Warrants. The Company further acknowledges that its obligation
to issue Conversion Shares and Warrant Shares upon conversion of the Debentures
or exercise of the Warrants in accordance with this Agreement, the Debentures
and the Warrants is absolute and unconditional regardless of the dilutive effect
that such issuance may have on the ownership interests of other stockholders of
the Company.

       f.  No Conflicts.  The execution, delivery and performance of this
           ------------
Agreement, the Registration Rights Agreement, the Debentures and the Warrants by
the Company and the consummation by the Company of the transactions contemplated
hereby and thereby (including, without limitation, the issuance and reservation
for issuance of the Conversion Shares and Warrant Shares) will not (i) conflict
with or result in a violation of any provision of the Certificate of
Incorporation or By-laws or (ii) violate or conflict with, or result in a breach
of any provision of, or constitute a default (or an event which with notice or
lapse of time or both could become a default) under, or give to others any
rights of termination, amendment, acceleration or cancellation of, any
agreement, indenture, patent, patent license or instrument to which the Company
or any of its Subsidiaries is a party, or (iii)  result in a violation of any
law, rule, regulation, order, judgment or decree (including federal and state
securities laws and regulations and regulations of any self-regulatory
organizations to which the Company or its securities are subject) applicable to
the Company or any of its Subsidiaries or by which any property or asset of the
Company or any of its Subsidiaries is bound or affected (except for such
conflicts, defaults, terminations, amendments, accelerations, cancellations and
violations as would not, individually or in the aggregate, have a Material
Adverse Effect).  Neither the Company nor any of its Subsidiaries is in
violation of its Certificate of Incorporation, By-laws or other organizational
documents and neither the Company nor any of its Subsidiaries is in default (and
no event has occurred which with notice or lapse of time or both could put the
Company or any of its Subsidiaries in default) under, and neither the Company
nor any of its Subsidiaries has taken any action or failed to take any action
that would give to others any rights of termination, amendment, acceleration or
cancellation of, any agreement, indenture or

                                      -6-
<PAGE>

instrument to which the Company or any of its Subsidiaries is a party or by
which any property or assets of the Company or any of its Subsidiaries is bound
or affected, except for possible defaults as would not, individually or in the
aggregate, have a Material Adverse Effect. The businesses of the Company and its
Subsidiaries, if any, are not being conducted, and shall not be conducted so
long as a Buyer owns any of the Securities, in violation of any law, ordinance
or regulation of any governmental entity. Except as specifically contemplated by
this Agreement and as required under the 1933 Act and any applicable state
securities laws, the Company is not required to obtain any consent,
authorization or order of, or make any filing or registration with, any court,
governmental agency, regulatory agency, self regulatory organization or stock
market or any third party in order for it to execute, deliver or perform any of
its obligations under this Agreement, the Registration Rights Agreement, the
Debentures or the Warrants in accordance with the terms hereof or thereof or to
issue and sell the Debentures and Warrants in accordance with the terms hereof
and to issue the Conversion Shares upon conversion of the Debentures and the
Warrant Shares upon exercise of the Warrants. Except as disclosed in Schedule
3(f), all consents, authorizations, orders, filings and registrations which the
Company is required to obtain pursuant to the preceding sentence have been
obtained or effected on or prior to the date hereof. The Company is not in
violation of the listing requirements of the Over-the-Counter Bulletin Board
(the "OTCBB") and does not reasonably anticipate that the Common Stock will be
delisted by the OTCBB in the foreseeable future. The Company and its
Subsidiaries are unaware of any facts or circumstances which might give rise to
any of the foregoing.

       g.  SEC Documents; Financial Statements.  Except as set forth in Schedule
           -----------------------------------
3(g), since December 31, 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 of 1934, as
amended (the "1934 Act") (all of the foregoing filed prior to the date hereof
and all exhibits included therein and financial statements and schedules thereto
and documents (other than exhibits to such documents) incorporated by reference
therein, being hereinafter referred to herein as the "SEC Documents"). The
Company has delivered to each Buyer true and complete copies of the SEC
Documents, except for such exhibits and incorporated documents. As of their
respective dates, the SEC Documents complied in all material respects with the
requirements of the 1934 Act and the rules and regulations of the SEC
promulgated thereunder applicable to the SEC Documents, and none of the SEC
Documents, at the time they were filed with the SEC, 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.  None of the
statements made in any such SEC Documents is, or has been, required to be
amended or updated under applicable law (except for such statements as have been
amended or updated in subsequent filings prior the date hereof).  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 United States generally accepted accounting principles, consistently
applied, 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 interim 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

                                      -7-
<PAGE>

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).  Except as set
forth in the financial statements of the Company included in the SEC Documents,
the Company has no liabilities, contingent or otherwise, other than (i)
liabilities incurred in the ordinary course of business subsequent to December
31, 1999 and (ii) obligations under contracts and commitments incurred in the
ordinary course of business and not required under generally accepted accounting
principles to be reflected in such financial statements, which, individually or
in the aggregate, are not material to the financial condition or operating
results of the Company.

       h.  Absence of Certain Changes.  Except as set forth on Schedule 3(h),
           --------------------------
since December 31, 1999, there has been no material adverse change and no
material adverse development in the assets, liabilities, business, properties,
operations, financial condition, results of operations or prospects of the
Company or any of its Subsidiaries.

       i.  Absence of Litigation.  There is no action, suit, claim, proceeding,
           ---------------------
inquiry or investigation before or by any court, public board, government
agency, self-regulatory organization or body pending or, to the knowledge of the
Company or any of its Subsidiaries, threatened against or affecting the Company
or any of its Subsidiaries, or their officers or directors in their capacity as
such, that could have a Material Adverse Effect. Schedule 3(i) contains a
complete list and summary description of any pending or threatened proceeding
against or affecting the Company or any of its Subsidiaries, without regard to
whether it would have a Material Adverse Effect. The Company and its
Subsidiaries are unaware of any facts or circumstances which might give rise to
any of the foregoing.

       j.  Patents, Copyrights, etc.
           ------------------------

           (i)  The Company and each of its Subsidiaries owns or possesses the
requisite licenses or rights to use all patents, patent applications, patent
rights, inventions, know-how, trade secrets, trademarks, trademark applications,
service marks, service names, trade names and copyrights ("Intellectual
Property") necessary to enable it to conduct its business as now operated (and,
except as set forth in Schedule 3(j) hereof, to the best of the Company's
knowledge, as presently contemplated to be operated in the future); there is no
claim or action by any person pertaining to, or proceeding pending, or to the
Company's knowledge threatened, which challenges the right of the Company or of
a Subsidiary with respect to any Intellectual Property necessary to enable it to
conduct its business as now operated (and, except as set forth in Schedule 3(j)
hereof, to the best of the Company's knowledge, as presently contemplated to be
operated in the future); to the best of the Company's knowledge, the Company's
or its Subsidiaries' current and intended products, services and processes do
not infringe on any Intellectual Property or other rights held by any person;
and the Company is unaware of any facts or circumstances which might give rise
to any of the foregoing. The Company and each of its Subsidiaries have taken
reasonable security measures to protect the secrecy, confidentiality and value
of their Intellectual Property.

           (ii) All of the Company's computer software and computer hardware,
and other similar or related items of automated, computerized or software
systems that are used or relied on by the Company in the conduct of its business
or that were, or currently are

                                      -8-
<PAGE>

being, sold or licensed by the Company to customers (collectively, "Information
Technology"), are Year 2000 Compliant. For purposes of this Agreement, the term
"Year 2000 Compliant" means, with respect to the Company's Information
Technology, that the Information Technology is designed to be used prior to,
during and after the calendar Year 2000 A.D., and the Information Technology
used during each such time period will accurately receive, provide and process
date and time data (including, but not limited to, calculating, comparing and
sequencing) from, into and between the 20th and 21st centuries, including the
years 1999 and 2000, and leap-year calculations, and will not malfunction, cease
to function, or provide invalid or incorrect results as a result of the date or
time data, to the extent that other information technology, used in combination
with the Information Technology, properly exchanges date and time data with it.
The Company has delivered to the Buyers true and correct copies of all analyses,
reports, studies and similar written information, whether prepared by the
Company or another party, relating to whether the Information Technology is Year
2000 Compliant.

       k.  No Materially Adverse Contracts, Etc.  Neither the Company nor any of
           ------------------------------------
its Subsidiaries is subject to any charter, corporate or other legal
restriction, or any judgment, decree, order, rule or regulation which in the
judgment of the Company's officers has or is expected in the future to have a
Material Adverse Effect. Neither the Company nor any of its Subsidiaries is a
party to any contract or agreement which in the judgment of the Company's
officers has or is expected to have a Material Adverse Effect.

       l.  Tax Status.  Except as set forth on Schedule 3(l), the Company and
           ----------
each of its Subsidiaries has made or filed all federal, state and foreign income
and all other tax returns, reports and declarations required by any jurisdiction
to which it is subject (unless and only to the extent that the Company and each
of its Subsidiaries has set aside on its books provisions reasonably adequate
for the payment of all unpaid and unreported taxes) and has paid all taxes and
other governmental assessments and charges that are material in amount, shown or
determined to be due on such returns, reports and declarations, except those
being contested in good faith and has set aside on its books provisions
reasonably adequate for the payment of all taxes for periods subsequent to the
periods to which such returns, reports or declarations apply. There are no
unpaid taxes in any material amount claimed to be due by the taxing authority of
any jurisdiction, and the officers of the Company know of no basis for any such
claim. The Company has not executed a waiver with respect to the statute of
limitations relating to the assessment or collection of any foreign, federal,
statute or local tax. Except as set forth on Schedule 3(l), none of the
Company's tax returns is presently being audited by any taxing authority.

       m.  Certain Transactions.  Except as set forth on Schedule 3(m) and
           --------------------
except for arm's length transactions pursuant to which the Company or any of its
Subsidiaries makes payments in the ordinary course of business upon terms no
less favorable than the Company or any of its Subsidiaries could obtain from
third parties and other than the grant of stock options disclosed on Schedule
3(c), none of the officers, directors, or employees of the Company is presently
a party to any transaction with the Company or any of its Subsidiaries (other
than for services as employees, officers and directors), including any contract,
agreement or other arrangement providing for the furnishing of services to or
by, providing for rental of real or personal property to or from, or otherwise
requiring payments to or from any officer, director or such employee or, to the
knowledge of the Company, any corporation, partnership, trust or

                                      -9-
<PAGE>

other entity in which any officer, director, or any such employee has a
substantial interest or is an officer, director, trustee or partner.

       n.  Disclosure.  All information relating to or concerning the Company or
           ----------
any of its Subsidiaries set forth in this Agreement and provided to the Buyers
pursuant to Section 2(d) hereof and otherwise in connection with the
transactions contemplated hereby is true and correct in all material respects
and the Company has not omitted to state any material fact necessary in order to
make the statements made herein or therein, in light of the circumstances under
which they were made, not misleading. No event or circumstance has occurred or
exists with respect to the Company or any of its Subsidiaries or its or their
business, properties, prospects, operations or financial conditions, which,
under applicable law, rule or regulation, requires public disclosure or
announcement by the Company but which has not been so publicly announced or
disclosed (assuming for this purpose that the Company's reports filed under the
1934 Act are being incorporated into an effective registration statement filed
by the Company under the 1933 Act).

       o.  Acknowledgment Regarding Buyers' Purchase of Securities.  The Company
           -------------------------------------------------------
acknowledges and agrees that the Buyers are acting solely in the capacity of
arm's length purchasers with respect to this Agreement and the transactions
contemplated hereby.  The Company further acknowledges that no Buyer is acting
as a financial advisor or fiduciary of the Company (or in any similar capacity)
with respect to this Agreement and the transactions contemplated hereby and any
statement made by any Buyer or any of their respective representatives or agents
in connection with this Agreement and the transactions contemplated hereby is
not advice or a recommendation and is merely incidental to the Buyers' purchase
of the Securities.  The Company further represents to each Buyer that the
Company's decision to enter into this Agreement has been based solely on the
independent evaluation of the Company and its representatives.

       p.  No Integrated Offering.  Neither the Company, nor any of its
           ----------------------
affiliates, nor any person acting on its or their behalf, has directly or
indirectly made any offers or sales in any security or solicited any offers to
buy any security under circumstances that would require registration under the
1933 Act of the issuance of the Securities to the Buyers. The issuance of the
Securities to the Buyers will not be integrated with any other issuance of the
Company's securities (past, current or future) for purposes of any stockholder
approval provisions applicable to the Company or its securities.

       q.  No Brokers.  The Company has taken no action which would give rise to
           ----------
any claim by any person for brokerage commissions, transaction fees or similar
payments relating to this Agreement or the transactions contemplated hereby.

       r.  Permits; Compliance.  The Company and each of its Subsidiaries is in
           -------------------
possession of all franchises, grants, authorizations, licenses, permits,
easements, variances, exemptions, consents, certificates, approvals and orders
necessary to own, lease and operate its properties and to carry on its business
as it is now being conducted (collectively, the "Company Permits"), and there is
no action pending or, to the knowledge of the Company, threatened regarding
suspension or cancellation of any of the Company Permits. Neither the Company
nor any of its Subsidiaries is in conflict with, or in default or violation of,
any of the Company

                                      -10-
<PAGE>

Permits, except for any such conflicts, defaults or violations which,
individually or in the aggregate, would not reasonably be expected to have a
Material Adverse Effect. Since December 31, 1999, neither the Company nor any of
its Subsidiaries has received any notification with respect to possible
conflicts, defaults or violations of applicable laws, except for notices
relating to possible conflicts, defaults or violations, which conflicts,
defaults or violations would not have a Material Adverse Effect.

       s.  Environmental Matters.
           ---------------------

           (i)   Except as set forth in Schedule 3(s), there are, to the
Company's knowledge, with respect to the Company or any of its Subsidiaries or
any predecessor of the Company, no past or present violations of Environmental
Laws (as defined below), releases of any material into the environment, actions,
activities, circumstances, conditions, events, incidents, or contractual
obligations which may give rise to any common law environmental liability or any
liability under the Comprehensive Environmental Response, Compensation and
Liability Act of 1980 or similar federal, state, local or foreign laws and
neither the Company nor any of its Subsidiaries has received any notice with
respect to any of the foregoing, nor is any action pending or, to the Company's
knowledge, threatened in connection with any of the foregoing. The term
"Environmental Laws" means all federal, state, local or foreign laws relating to
pollution or protection of human health or the environment (including, without
limitation, ambient air, surface water, groundwater, land surface or subsurface
strata), including, without limitation, laws relating to emissions, discharges,
releases or threatened releases of chemicals, pollutants contaminants, or toxic
or hazardous substances or wastes (collectively, "Hazardous Materials") into the
environment, or otherwise relating to the manufacture, processing, distribution,
use, treatment, storage, disposal, transport or handling of Hazardous Materials,
as well as all authorizations, codes, decrees, demands or demand letters,
injunctions, judgments, licenses, notices or notice letters, orders, permits,
plans or regulations issued, entered, promulgated or approved thereunder.

           (ii)  Other than those that are or were stored, used or disposed of
in compliance with applicable law, no Hazardous Materials are contained on or
about any real property currently owned, leased or used by the Company or any of
its Subsidiaries, and no Hazardous Materials were released on or about any real
property previously owned, leased or used by the Company or any of its
Subsidiaries during the period the property was owned, leased or used by the
Company or any of its Subsidiaries, except in the normal course of the Company's
or any of its Subsidiaries' business.

           (iii) Except as set forth in Schedule 3(s), there are no underground
storage tanks on or under any real property owned, leased or used by the Company
or any of its Subsidiaries that are not in compliance with applicable law.

       t.  Title to Property.  The Company and its Subsidiaries have good and
           -----------------
marketable title in fee simple to all real property and good and marketable
title to all personal property owned by them which is material to the business
of the Company and its Subsidiaries, in each case free and clear of all liens,
encumbrances and defects except such as are described in Schedule 3(t) or such
as would not have a Material Adverse Effect.  Any real property and facilities
held under lease by the Company and its Subsidiaries are held by them under
valid,

                                      -11-
<PAGE>

subsisting and enforceable leases with such exceptions as would not have a
Material Adverse Effect.

   u.  Insurance.  The Company and each of its Subsidiaries are insured by
       ---------
insurers of recognized financial responsibility against such losses and risks
and in such amounts as management of the Company believes to be prudent and
customary in the businesses in which the Company and its Subsidiaries are
engaged. Neither the Company nor any such Subsidiary has any reason to believe
that it will not be able to renew its existing insurance coverage as and when
such coverage expires or to obtain similar coverage from similar insurers as may
be necessary to continue its business at a cost that would not have a Material
Adverse Effect.

   v.  Internal Accounting Controls.  The Company and each of its Subsidiaries
       ----------------------------
maintain a system of internal accounting controls sufficient, in the judgment of
the Company's board of directors, to provide reasonable assurance that (i)
transactions are executed in accordance with management's general or specific
authorizations, (ii) transactions are recorded as necessary to permit
preparation of financial statements in conformity with generally accepted
accounting principles and to maintain asset accountability, (iii) access to
assets is permitted only in accordance with management's general or specific
authorization and (iv) the recorded accountability for assets is compared with
the existing assets at reasonable intervals and appropriate action is taken with
respect to any differences.

   w.  Foreign Corrupt Practices.  Neither the Company, nor any of its
       -------------------------
Subsidiaries, nor any director, officer, agent, employee or other person acting
on behalf of the Company or any Subsidiary has, in the course of his actions
for, or on behalf of, the Company, used any corporate funds for any unlawful
contribution, gift, entertainment or other unlawful expenses relating to
political activity; made any direct or indirect unlawful payment to any foreign
or domestic government official or employee from corporate funds; violated or is
in violation of any provision of the U.S. Foreign Corrupt Practices Act of 1977,
as amended, or made any bribe, rebate, payoff, influence payment, kickback or
other unlawful payment to any foreign or domestic government official or
employee.

   x.  Solvency.  The Company (after giving effect to the transactions
       --------
contemplated by this Agreement) is solvent (i.e., the Company will be able to
                                            ----
pay its debts as they become due and payable) and currently the Company has no
information that would lead it to reasonably conclude that the Company would not
have the ability to, nor does it intend to take any action that would impair its
ability to, pay its debts from time to time as such debts become due and
payable.

   y.  No Investment Company.  The Company is not, and upon the issuance and
       ---------------------
sale of the Securities as contemplated by this Agreement will not be an
"investment company" required to be registered under the Investment Company Act
of 1940 (an "Investment Company"). The Company is not controlled by an
Investment Company.

                                      -12-
<PAGE>

   4.  COVENANTS.
       ---------

       a.  Best Efforts.  The parties shall use their best efforts to satisfy
           ------------
timely each of the conditions described in Section 6 and 7 of this Agreement.

       b.  Form D; Blue Sky Laws.  The Company agrees to file a Form D with
           ---------------------
respect to the Securities as required under Regulation D and to provide a copy
thereof to each Buyer promptly after such filing. The Company shall, on or
before the Closing Date, take such action as the Company shall reasonably
determine is necessary to qualify the Securities for sale to the Buyers at the
applicable closing pursuant to this Agreement under applicable securities or
"blue sky" laws of the states of the United States (or to obtain an exemption
from such qualification), and shall provide evidence of any such action so taken
to each Buyer on or prior to the Closing Date.

       c.  Reporting Status; Eligibility to Use Form SB-2 or Form S-1.  The
           ----------------------------------------------------------
Company's Common Stock is registered under Section 12(g) of the 1934 Act. The
Company represents and warrants that it meets the requirements for the use of
Form SB-2 or Form S-1 for registration of the sale by the Buyer of the
Registrable Securities (as defined in the Registration Rights Agreement). So
long as the Buyer beneficially owns any of the Securities, the Company shall
timely file all reports required to be filed with the SEC pursuant to the 1934
Act, and the Company shall not terminate its status as an issuer required to
file reports under the 1934 Act even if the 1934 Act or the rules and
regulations thereunder would permit such termination. The Company further agrees
to file all reports required to be filed by the Company with the SEC in a timely
manner so as to become eligible, and thereafter to maintain its eligibility, for
the use of Form S-3. The Company shall issue a press release describing the
materials terms of the transaction contemplated hereby as soon as practicable
following the Closing Date but in no event more than two (2) business days of
the Closing Date, and shall file with the SEC a Current Report on Form 8-K
describing the material terms of the transaction contemplated hereby within five
(5) business days of the Closing Date, which press release and Form 8-K shall be
subject to prior review by the Buyers.

       d.  Use of Proceeds.  The Company shall use the proceeds from the sale of
           ---------------
the Debentures and the Warrants in the manner set forth in Schedule 4(d)
attached hereto and made a part hereof and shall not, directly or indirectly,
use such proceeds for any loan to or investment in any other corporation,
partnership, enterprise or other person (except in connection with its currently
existing direct or indirect Subsidiaries).

       e.  Future Offerings.  Subject to the exceptions described below, the
           ----------------
Company will not, without the prior written consent of a majority-in-interest of
the Buyers, contract with any party to obtain additional equity financing
(including debt financing with an equity component) that involves (A) the
issuance of Common Stock or (B) the issuance of convertible securities that are
convertible into an indeterminate number of shares of Common Stock or (C) the
issuance of warrants during the period (the "Lock-up Period") beginning on the
Closing Date and ending one hundred twenty (120) days from the date the
Registration Statement (as defined in the Registration Rights Agreement) is
declared effective (plus any days in which sales cannot be made thereunder). In
addition, subject to the exceptions described below, the Company will not
conduct any equity financing (including debt with an equity

                                      -13-
<PAGE>

component) ("Future Offerings") during the period beginning on the Closing Date
and ending two (2) years after the end of the Lock-up Period unless it shall
have first delivered to each Buyer, at least fifteen (15) business days prior to
the closing of such Future Offering, written notice describing the proposed
Future Offering, including the terms and conditions thereof and proposed
definitive documentation to be entered into in connection therewith, and
providing each Buyer an option during the ten (10) day period following delivery
of such notice to purchase its pro rata share (based on the ratio that the
aggregate principal amount of Debentures purchased by it hereunder bears to the
aggregate principal amount of Debentures purchased hereunder) of the securities
being offered in the Future Offering on the same terms as contemplated by such
Future Offering (the limitations referred to in this sentence and the preceding
sentence are collectively referred to as the "Capital Raising Limitations"). In
the event the terms and conditions of a proposed Future Offering are amended in
any respect after delivery of the notice to the Buyers concerning the proposed
Future Offering, the Company shall deliver a new notice to each Buyer describing
the amended terms and conditions of the proposed Future Offering and each Buyer
thereafter shall have an option during the ten (10) day period following
delivery of such new notice to purchase its pro rata share of the securities
being offered on the same terms as contemplated by such proposed Future
Offering, as amended. The foregoing sentence shall apply to successive
amendments to the terms and conditions of any proposed Future Offering. The
Capital Raising Limitations shall not apply to the issuance of securities upon
exercise or conversion of the Company's options, warrants or other convertible
securities outstanding as of the date hereof or to the grant of additional
options or warrants, or the issuance of additional securities, under any Company
stock option or restricted stock plan approved by the Stockholders of the
Company. In the event that the Company completes a Future Offering on terms more
favorable than the transaction contemplated hereby, the terms of the Debentures,
the Additional Debentures, the Warrants and the Additional Warrants will be
amended to reflect such more favorable terms.

       f.  Expenses.  At the Closing, the Company shall reimburse Buyers for
           --------
expenses incurred by it in connection with the negotiation, preparation,
execution, delivery and performance of this Agreement and the other agreements
to be executed in connection herewith, including, without limitation, attorneys'
and consultants' fees and expenses.

       g.  Financial Information.  The Company agrees to send the following
           ---------------------
reports to each Buyer until such Buyer transfers, assigns, or sells all of the
Securities: (i) within ten (10) days after the filing with the SEC, a copy of
its Annual Report on Form 10-KSB, its Quarterly Reports on Form 10-QSB and any
Current Reports on Form 8-K; (ii) within one (1) day after release, copies of
all press releases issued by the Company or any of its Subsidiaries; and (iii)
contemporaneously with the making available or giving to the stockholders of the
Company, copies of any notices or other information the Company makes available
or gives to such stockholders.

       h.  Reservation of Shares.  The Company shall at all times have
           ---------------------
authorized, and reserved for the purpose of issuance, a sufficient number of
shares of Common Stock to provide for the full conversion or exercise of the
outstanding Debentures and Additional Debentures (including all accrued unpaid
interest thereon) and the Warrants and Additional Warrants and issuance of the
Conversion Shares and Warrant Shares in connection therewith (based on the
Conversion Price or Exercise Price in effect from time to time) and as otherwise

                                      -14-
<PAGE>

required by the Debentures. The Company shall not reduce the number of shares of
Common Stock reserved for issuance upon conversion of Debentures and Additional
Debentures and exercise of the Warrants and Additional Warrants without the
consent of each Buyer. The Company shall use its best efforts at all times to
maintain the number of shares of Common Stock so reserved for issuance at no
less than two (2) times the number that is then actually issuable upon full
conversion of the Debentures and Additional Debentures and upon exercise of the
Warrants and Additional Warrants (based on the Conversion Price or the Exercise
Price in effect from time to time and including all accrued and unpaid interest
on the Debentures). If at any time the number of shares of Common Stock
authorized and reserved for issuance is below the number of Conversion Shares
and Warrant Shares issued and issuable upon conversion of the Debentures and
Additional Debentures and exercise of the Warrants and Additional Warrants
(based on the Conversion Price or the Exercise Price then in effect and
including all accrued and unpaid interest on the Debentures), the Company will
promptly take all corporate action necessary to authorize and reserve a
sufficient number of shares, including, without limitation, calling a special
meeting of stockholders to authorize additional shares to meet the Company's
obligations under this Section 4(h), in the case of an insufficient number of
authorized shares, and using its best efforts to obtain stockholder approval of
an increase in such authorized number of shares.

       i.  Listing.  The Company shall promptly secure the listing of the
           -------
Conversion Shares and Warrant Shares upon each national securities exchange or
automated quotation system, if any, upon which shares of Common Stock are then
listed (subject to official notice of issuance) and, so long as any Buyer owns
any of the Securities, shall maintain, so long as any other shares of Common
Stock shall be so listed, such listing of all Conversion Shares and Warrant
Shares from time to time issuable upon conversion of the Debentures or exercise
of the Warrants. The Company will obtain and, so long as any Buyer owns any of
the Securities, maintain the listing and trading of its Common Stock on the
OTCBB, the Nasdaq National Market ("Nasdaq"), the Nasdaq SmallCap Market
("Nasdaq SmallCap"), the New York Stock Exchange ("NYSE"), or the American Stock
Exchange ("AMEX") and will comply in all respects with the Company's reporting,
filing and other obligations under the bylaws or rules of the National
Association of Securities Dealers ("NASD") and such exchanges, as applicable.
The Company shall promptly provide to each Buyer copies of any notices it
receives from the OTCBB and any other exchanges or quotation systems on which
the Common Stock is then listed regarding the continued eligibility of the
Common Stock for listing on such exchanges and quotation systems.

       j.  Corporate Existence.  So long as a Buyer beneficially owns any
           -------------------
Debentures or Warrants, the Company shall maintain its corporate existence and
shall not sell all or substantially all of the Company's assets, except in the
event of a merger or consolidation or sale of all or substantially all of the
Company's assets, where the surviving or successor entity in such transaction
(i) assumes the Company's obligations hereunder and under the agreements and
instruments entered into in connection herewith and (ii) is a publicly traded
corporation whose Common Stock is listed for trading on the OTCBB, Nasdaq,
Nasdaq SmallCap, NYSE or AMEX.

       k.  No Integration.  The Company shall not make any offers or sales of
           --------------
any security (other than the Securities) under circumstances that would require
registration of the

                                      -15-
<PAGE>

Securities being offered or sold hereunder under the 1933 Act or cause the
offering of the Securities to be integrated with any other offering of
securities by the Company for the purpose of any stockholder approval provision
applicable to the Company or its securities.

       l.  Subsequent Investment.  The Company and the Buyers agree that, upon
           ---------------------
the declaration of effectiveness of the Registration Statement to be filed
pursuant to the Registration Rights Agreement (the "Effective Date"), the Buyers
shall purchase additional debentures ("Additional Debentures") in the aggregate
principal amount of Three Hundred Thousand Dollars ($300,000) and additional
warrants ("Additional Warrants") to purchase an aggregate of 300,000 shares of
Common Stock, for an aggregate purchase price of Three Hundred Thousand Dollars
($300,000), with the closing of such purchase to occur within thirty (30) days
of the Effective Date; provided, however, that the obligation of each Buyer to
                       --------  -------
purchase the Additional Debentures and the Additional Warrants is subject to the
satisfaction, at or before the closing of such purchase and sale, of the
conditions set forth in Section 7.  The terms of the Additional Debentures and
the Additional Warrants shall be identical to the terms of the Debentures and
Warrants to be issued on the Closing Date.  The Common Stock underlying the
Additional Debentures and the Additional Warrants shall be Registrable
Securities (as defined in the Registration Rights Agreement) and shall be
included in the Registration Statement to be filed pursuant to the Registration
Rights Agreement.

   5.  TRANSFER AGENT INSTRUCTIONS.  The Company shall issue irrevocable
       ---------------------------
instructions to its transfer agent to issue certificates, registered in the name
of each Buyer or its nominee, for the Conversion Shares and Warrant Shares in
such amounts as specified from time to time by each Buyer to the Company upon
conversion of the Debentures or exercise of the Warrants in accordance with the
terms thereof (the "Irrevocable Transfer Agent Instructions").  Prior to
registration of the Conversion Shares and Warrant Shares under the 1933 Act or
the date on which the Conversion Shares and Warrant Shares may be sold pursuant
to Rule 144 without any restriction as to the number of Securities as of a
particular date that can then be immediately sold, all such certificates shall
bear the restrictive legend specified in Section 2(g) of this Agreement.  The
Company warrants that no instruction other than the Irrevocable Transfer Agent
Instructions referred to in this Section 5, and stop transfer instructions to
give effect to Section 2(f) hereof (in the case of the Conversion Shares and
Warrant Shares, prior to registration of the Conversion Shares and Warrant
Shares under the 1933 Act or the date on which the Conversion Shares and Warrant
Shares may be sold pursuant to Rule 144 without any restriction as to the number
of Securities as of a particular date that can then be immediately sold), will
be given by the Company to its transfer agent and that the Securities shall
otherwise be freely transferable on the books and records of the Company as and
to the extent provided in this Agreement and the Registration Rights Agreement.
Nothing in this Section shall affect in any way the Buyer's obligations and
agreement set forth in Section 2(g) hereof to comply with all applicable
prospectus delivery requirements, if any, upon re-sale of the Securities.  If a
Buyer provides the Company with (i) an opinion of counsel in form, substance and
scope customary for opinions in comparable transactions, to the effect that a
public sale or transfer of such Securities may be made without registration
under the 1933 Act and such sale or transfer is effected or (ii) the Buyer
provides reasonable assurances that the Securities can be sold pursuant to Rule
144, the Company shall permit the transfer, and, in the case of the Conversion
Shares and Warrant Shares, promptly instruct its transfer agent to issue one or
more

                                      -16-
<PAGE>

certificates, free from restrictive legend, in such name and in such
denominations as specified by such Buyer. The Company acknowledges that a breach
by it of its obligations hereunder will cause irreparable harm to the Buyers, by
vitiating the intent and purpose of the transactions contemplated hereby.
Accordingly, the Company acknowledges that the remedy at law for a breach of its
obligations under this Section 5 will be inadequate and agrees, in the event of
a breach or threatened breach by the Company of the provisions of this Section,
that the Buyers shall be entitled, in addition to all other available remedies,
to an injunction restraining any breach and requiring immediate transfer,
without the necessity of showing economic loss and without any bond or other
security being required.

   6.  CONDITIONS TO THE COMPANY'S OBLIGATION TO SELL.  The obligation of the
       ----------------------------------------------
Company hereunder to issue and sell the Debentures and Warrants to a Buyer at
the Closing is subject to the satisfaction, at or before the Closing Date of
each of the following conditions thereto, provided that these conditions are for
the Company's sole benefit and may be waived by the Company at any time in its
sole discretion:

       a.  The applicable Buyer shall have executed this Agreement and the
Registration Rights Agreement, and delivered the same to the Company.

       b.  The applicable Buyer shall have delivered the Purchase Price in
accordance with Section 1(b) above.

       c.  The representations and warranties of the applicable Buyer shall be
true and correct in all material respects as of the date when made and as of the
Closing Date as though made at that time (except for representations and
warranties that speak as of a specific date), and the applicable Buyer shall
have performed, satisfied and complied in all material respects with the
covenants, agreements and conditions required by this Agreement to be performed,
satisfied or complied with by the applicable Buyer at or prior to the Closing
Date.

       d.  No litigation, statute, rule, regulation, executive order, decree,
ruling or injunction shall have been enacted, entered, promulgated or endorsed
by or in any court or governmental authority of competent jurisdiction or any
self-regulatory organization having authority over the matters contemplated
hereby which prohibits the consummation of any of the transactions contemplated
by this Agreement.

   7.  CONDITIONS TO EACH BUYER'S OBLIGATION TO PURCHASE.  The obligation of
       -------------------------------------------------
each Buyer hereunder to purchase the Debentures and Warrants at the Closing is
subject to the satisfaction, at or before the Closing Date of each of the
following conditions, provided that these conditions are for such Buyer's sole
benefit and may be waived by such Buyer at any time in its sole discretion:

       a.  The Company shall have executed this Agreement and the Registration
Rights Agreement, and delivered the same to the Buyer.

       b.  The Company shall have delivered to such Buyer duly executed
Debentures (in such denominations as the Buyer shall request) and Warrants in
accordance with

                                      -17-
<PAGE>

Section 1(b) above or duly executed Additional Debentures (in such denominations
as the Buyer shall request) and Additional Warrants, as the case may be.

       c.  The Irrevocable Transfer Agent Instructions, in form and substance
satisfactory to a majority-in-interest of the Buyers, shall have been delivered
to and acknowledged in writing by the Company's Transfer Agent.

       d.  The representations and warranties of the Company shall be true and
correct in all material respects as of the date when made and as of the Closing
Date as though made at such time (except for representations and warranties that
speak as of a specific date) and the Company shall have performed, satisfied and
complied in all material respects with the covenants, agreements and conditions
required by this Agreement to be performed, satisfied or complied with by the
Company at or prior to the Closing Date. The Buyer shall have received a
certificate or certificates, executed by the chief executive officer of the
Company, dated as of the Closing Date, to the foregoing effect and as to such
other matters as may be reasonably requested by such Buyer including, but not
limited to certificates with respect to the Company's Certificate of
Incorporation, By-laws and Board of Directors' resolutions relating to the
transactions contemplated hereby.

       e.  No litigation, statute, rule, regulation, executive order, decree,
ruling or injunction shall have been enacted, entered, promulgated or endorsed
by or in any court or governmental authority of competent jurisdiction or any
self-regulatory organization having authority over the matters contemplated
hereby which prohibits the consummation of any of the transactions contemplated
by this Agreement.

       f.  The Conversion Shares and Warrant Shares shall have been authorized
for quotation on the OTCBB and trading in the Common Stock on the OTCBB shall
not have been suspended by the SEC or the OTCBB.

       g.  The Buyer shall have received an opinion of the Company's counsel,
dated as of the Closing Date, in form, scope and substance reasonably
satisfactory to the Buyer and in substantially the same form as Exhibit "D"
attached hereto.

       h.  The Buyer shall have received an officer's certificate described in
Section 3(c) above, dated as of the Closing Date.

   8.  GOVERNING LAW; MISCELLANEOUS.
       ----------------------------

       a.  Governing Law.  THIS AGREEMENT SHALL BE ENFORCED, GOVERNED BY AND
           -------------
CONSTRUED IN ACCORDANCE WITH THE LAWS OF THE STATE OF NEW YORK APPLICABLE TO
AGREEMENTS MADE AND TO BE PERFORMED ENTIRELY WITH SUCH STATE, WITHOUT REGARD TO
THE PRINCIPLES OF CONFLICT OF LAWS. THE PARTIES HERETO HEREBY SUBMIT TO THE
EXCLUSIVE JURISDICTION OF THE UNITED STATES FEDERAL COURTS LOCATED IN NEW YORK,
NEW YORK WITH RESPECT TO ANY DISPUTE ARISING UNDER THIS AGREEMENT, THE
AGREEMENTS ENTERED INTO IN CONNECTION

                                      -18-
<PAGE>

HEREWITH OR THE TRANSACTIONS CONTEMPLATED HEREBY OR THEREBY. BOTH PARTIES
IRREVOCABLY WAIVE THE DEFENSE OF AN INCONVENIENT FORUM TO THE MAINTENANCE OF
SUCH SUIT OR PROCEEDING. BOTH PARTIES FURTHER AGREE THAT SERVICE OF PROCESS UPON
A PARTY MAILED BY FIRST CLASS MAIL SHALL BE DEEMED IN EVERY RESPECT EFFECTIVE
SERVICE OF PROCESS UPON THE PARTY IN ANY SUCH SUIT OR PROCEEDING. NOTHING HEREIN
SHALL AFFECT EITHER PARTY'S RIGHT TO SERVE PROCESS IN ANY OTHER MANNER PERMITTED
BY LAW. BOTH PARTIES AGREE THAT A FINAL NON-APPEALABLE JUDGMENT IN ANY SUCH SUIT
OR PROCEEDING SHALL BE CONCLUSIVE AND MAY BE ENFORCED IN OTHER JURISDICTIONS BY
SUIT ON SUCH JUDGMENT OR IN ANY OTHER LAWFUL MANNER. THE PARTY WHICH DOES NOT
PREVAIL IN ANY DISPUTE ARISING UNDER THIS AGREEMENT SHALL BE RESPONSIBLE FOR ALL
FEES AND EXPENSES, INCLUDING ATTORNEYS' FEES, INCURRED BY THE PREVAILING PARTY
IN CONNECTION WITH SUCH DISPUTE.

       b.  Counterparts; Signatures by Facsimile.  This Agreement may be
           -------------------------------------
executed in one or more counterparts, each of which shall be deemed an original
but all of which shall constitute one and the same agreement and shall become
effective when counterparts have been signed by each party and delivered to the
other party. This Agreement, once executed by a party, may be delivered to the
other party hereto by facsimile transmission of a copy of this Agreement bearing
the signature of the party so delivering this Agreement.

       c.  Headings.  The headings of this Agreement are for convenience of
           --------
reference only and shall not form part of, or affect the interpretation of, this
Agreement.

       d.  Severability.  In the event that any provision of this Agreement is
           ------------
invalid or enforceable under any applicable statute or rule of law, then such
provision shall be deemed inoperative to the extent that it may conflict
therewith and shall be deemed modified to conform with such statute or rule of
law. Any provision hereof which may prove invalid or unenforceable under any law
shall not affect the validity or enforceability of any other provision hereof.

       e.  Entire Agreement; Amendments.  This Agreement and the instruments
           ----------------------------
referenced herein contain the entire understanding of the parties with respect
to the matters covered herein and therein and, except as specifically set forth
herein or therein, neither the Company nor the Buyer makes any representation,
warranty, covenant or undertaking with respect to such matters. No provision of
this Agreement may be waived or amended other than by an instrument in writing
signed by the party to be charged with enforcement.

       f.  Notices.  Any notices required or permitted to be given under the
           -------
terms of this Agreement shall be sent by certified or registered mail (return
receipt requested) or delivered personally or by courier (including a recognized
overnight delivery service) or by facsimile and shall be effective five days
after being placed in the mail, if mailed by regular United States mail, or upon
receipt, if delivered personally or by courier (including a recognized overnight
delivery service) or by facsimile, in each case addressed to a party. The
addresses for such communications shall be:

                                      -19-
<PAGE>

               If to the Company:

               e resources inc
               304 North Highway 377
               Roanoke, Texas  76262
               Attention:  Chief Executive Officer
               Facsimile No.:  (817) 491-9634

               With copy to:

               Scot O'Brien, Esquire
               Hallett & Perrin, P.C.
               717 N. Harwood Street, Suite 1400
               Dallas, Texas  75201
               Facsimile No.:  (214) 953-3154

     If to a Buyer:  To the address set forth immediately below such Buyer's
name on the signature pages hereto.

               With copy to:

               The N.I.R. Group, LLC
               155 First Street, Suite B
               Mineola, New York 11501
               Attention:  Corey Ribotsky
               Telephone:  (516) 739-7110
               Facsimile:  (516) 739-7115

     Each party shall provide notice to the other party of any change in
address.

       g.  Successors and Assigns.  This Agreement shall be binding upon and
           ----------------------
inure to the benefit of the parties and their successors and assigns. Neither
the Company nor any Buyer shall assign this Agreement or any rights or
obligations hereunder without the prior written consent of the other.
Notwithstanding the foregoing, subject to Section 2(f), any Buyer may assign its
rights hereunder to any person that purchases Securities in a private
transaction from a Buyer or to any of its "affiliates," as that term is defined
under the 1934 Act, without the consent of the Company.

       h.  Third Party Beneficiaries.  This Agreement is intended for the
           -------------------------
benefit of the parties hereto and their respective permitted successors and
assigns, and is not for the benefit of, nor may any provision hereof be enforced
by, any other person.

       i.  Survival.  The representations and warranties of the Company and the
           --------
agreements and covenants set forth in Sections 3, 4, 5 and 8 shall survive the
closing hereunder notwithstanding any due diligence investigation conducted by
or on behalf of the Buyers.  The Company agrees to indemnify and hold harmless
each of the Buyers and all their officers,

                                      -20-
<PAGE>

directors, employees and agents for loss or damage arising as a result of or
related to any breach or alleged breach by the Company of any of its
representations, warranties and covenants set forth in Sections 3 and 4 hereof
or any of its covenants and obligations under this Agreement or the Registration
Rights Agreement, including advancement of expenses as they are incurred.

       j.  Publicity.  The Company and each of the Buyers shall have the right
           ---------
to review a reasonable period of time before issuance of any press releases,
SEC, OTCBB or NASD filings, or any other public statements with respect to the
transactions contemplated hereby; provided, however, that (i) the Company shall
                                  -----------------
be entitled, without the prior approval of each of the Buyers, to make any press
release or SEC, OTCBB (or other applicable trading market) or NASD filings with
respect to such transactions as is required by applicable law and regulations
(although each of the Buyers shall be consulted by the Company in connection
with any such press release prior to its release and shall be provided with a
copy thereof and be given an opportunity to comment thereon) and (ii) the
Company will not disclose any material nonpublic information to any of Buyers
unless such information is disclosed to the public prior to or promptly
following such disclosure to any of the Buyers.

       k.  Further Assurances.  Each party shall do and perform, or cause to be
           ------------------
done and performed, all such further acts and things, and shall execute and
deliver all such other agreements, certificates, instruments and documents, as
the other party may reasonably request in order to carry out the intent and
accomplish the purposes of this Agreement and the consummation of the
transactions contemplated hereby.

       l.  No Strict Construction.  The language used in this Agreement will be
           ----------------------
deemed to be the language chosen by the parties to express their mutual intent,
and no rules of strict construction will be applied against any party.

       m.  Remedies.  The Company acknowledges that a breach by it of its
           --------
obligations hereunder will cause irreparable harm to the Buyers by vitiating the
intent and purpose of the transaction contemplated hereby. Accordingly, the
Company acknowledges that the remedy at law for a breach of its obligations
under this Agreement will be inadequate and agrees, in the event of a breach or
threatened breach by the Company of the provisions of this Agreement, that the
Buyers shall be entitled, in addition to all other available remedies at law or
in equity, and in addition to the penalties assessable herein, to an injunction
or injunctions restraining, preventing or curing any breach of this Agreement
and to enforce specifically the terms and provisions hereof, without the
necessity of showing economic loss and without any bond or other security being
required.

                  [REMAINDER OF PAGE INTENTIONALLY LEFT BLANK]

                                      -21-
<PAGE>

     IN WITNESS WHEREOF, the undersigned Buyers and the Company have caused this
Agreement to be duly executed as of the date first above written.

e resources inc

By:  ______________________________
     Christopher D. Curtis
     Chief Executive Officer

AJW PARTNERS, LLC
By:  SMS Group, LLC

______________________________________
Corey S. Ribotsky
Manager

RESIDENCE:  Delaware

ADDRESS:

     155 First Street, Suite B
     Mineola, NY 11501
     Attention: Corey S. Ribotsky
     Facsimile:   (516) 739-7115
     Telephone:  (516) 739-7110

AGGREGATE SUBSCRIPTION AMOUNT:

     Aggregate Principal Amount of Debentures:    $150,000
     Number of Warrants:                           150,000
     Aggregate Purchase Price:                    $150,000

                                      -22-
<PAGE>

NEW MILLENNIUM CAPITAL PARTNERS II, LLC
By:  First Street Manager II, LLC

______________________________________
Glenn A. Arbeitman
Manager

RESIDENCE:  New York

ADDRESS:

     155 First Street, Suite B
     Mineola, NY 11501
     Attention: Corey S. Ribotsky
     Facsimile:   (516) 739-7115
     Telephone:  (516) 739-7110

AGGREGATE SUBSCRIPTION AMOUNT:

     Aggregate Principal Amount of Debentures:    $150,000
     Number of Warrants:                           150,000
     Aggregate Purchase Price:                    $150,000

                                      -23-

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