Document:

<PAGE>   1
                                  EXHIBIT 10.3

                                ESCROW AGREEMENT

         THIS ESCROW AGREEMENT (this "Agreement") is entered into and effective
as of the 16th day of September, 1999, by and between Integrity Bank (In
Organization), a corporation (the "Company"), and The Bankers Bank (the "Escrow
Agent").

                              W I T N E S S E T H:

         WHEREAS, the Company proposes to offer and sell (the "Offering") up to
1,200,000 shares of Common Stock, $10 par value per share (the "Shares"), to
investors at $10 per Share pursuant to a registered public offering; and

         WHEREAS, the Company desires to establish an escrow for funds forwarded
by subscribers for Shares, and the Escrow Agent is willing to serve as Escrow
Agent upon the terms and conditions herein set forth.

         NOW THEREFORE, in consideration of the premises and other good and
valuable consideration, the receipt and sufficiency of which is hereby
acknowledged, the parties hereto agree as follows:

         1.       DEPOSIT WITH ESCROW AGENT.

         (a)      The Escrow Agent agrees that it will from time to time accept,
in its capacity as escrow agent, subscription funds for the Shares (the
"Escrowed Funds") in the form of checks received by the Company from
subscribers. All checks shall be made payable to the Escrow Agent. If any check
does not clear normal banking channels in due course, the Escrow Agent will
promptly notify the Company. Any check which does not clear normal banking
channels and is returned by the drawer's bank to Escrow Agent will be promptly
turned over to the Company along with all other subscription documents relating
to such check. Any check received that is made payable to a party other than the
Escrow Agent shall be returned to the Company for return to the proper party.
The company in its sole and absolute discretion may reject any subscription for
shares for any reason and upon such rejection, it shall notify and instruct the
Escrow Agent in writing to return the Escrowed Funds by check made payable to
the subscriber. If the Company rejects or cancels any subscription for any
reason the Company will retain any interest earned on the Escrowed Funds to help
defray organizational costs.

         (b)      Subscription agreements for the Shares shall be reviewed for
accuracy by the Company and, immediately thereafter, the Company shall deliver
to the Escrow Agent the following information: (i) the name and address of the
subscriber; (ii) the number of Shares subscribed for by such subscriber; (iii)
the subscription price paid by such subscriber; (iv) the subscriber's tax
identification number certified by such subscriber; and (v) a copy of the
subscription agreement.

         2.       INVESTMENT OF ESCROWED FUNDS. Upon collection of each check by
the Escrow Agent, the Escrow Agent shall invest the funds in deposit accounts or
certificates of deposit which are fully insured by the Federal Deposit Insurance
Corporation or another agency of the United States government, short-term
securities issued or fully guaranteed by the United States government federal
funds, or such other investments as the Escrow Agent and the Company shall
agree. The Company shall provide the Escrow Agent with instructions from time to
time concerning in which of the specific investment instruments described above
the Escrowed Funds shall be invested and the Escrow Agent shall adhere to

<PAGE>   2

such instructions. Unless and until otherwise instructed by the Company, the
Escrow Agent shall by means of a "Sweep" or other automatic, investment program
invest the Escrowed Funds in blocks of $10,000 in federal funds. Interest and
other earnings shall start accruing on such funds as soon as such funds would be
deemed to be available for access under applicable banking laws and pursuant to
the Escrow Agent's own banking policies.

         3.       DISTRIBUTION OF ESCROWED FUNDS. The Escrow Agent shall
distribute the Escrowed Funds in the amounts, at the time, and upon the
conditions hereinafter set forth in this Agreement.

         (a)      If at any time on or prior to the expiration date of the
offering as described in the prospectus relating to the offering, (the "Closing
Date"), (i) the Escrow Agent has certified to the Company in writing that the
Escrow Agent has received at least $7,000,000 in Escrowed Funds, and (ii) the
Escrow Agent has received a certificate from the President or the Chairman of
the Board of the Company that all other conditions to the release of funds as
described in the Company's Registration Statement filed with the Securities and
Exchange Commission pertaining to the public offering have been met, then the
Escrow Agent shall deliver the Escrowed Funds to the company to the extent such
Escrowed Funds are collected funds. If any portion of the Escrowed Funds are not
collected funds, then the Escrow Agent shall notify the Company of such facts
and shall distribute such funds to the Company only after such funds become
collected funds. For purposes of this Agreement, "collected funds" shall mean
all funds received by the Escrow Agent which have cleared normal banking
channels.

         (b)      If the Escrowed Funds do not, on or prior to the Closing Date,
become deliverable to the Company based on failure to meet the conditions
described in Paragraph 3(a), or if the Company terminates the offering at any
time prior to the Closing Date and delivers written notice to the Escrow Agent
of such termination (the "Termination Notice"), the Escrow Agent shall return
the Escrowed Funds which are collected funds as directed in writing by the
Company to the respective subscribers in amounts equal to the subscription
amount theretofore paid by each of them. All uncleared checks representing
Escrowed Funds which are not collected funds as of the Initial Closing Date
shall be collected by the Escrow Agent, and together with all related
subscription documents thereof shall be delivered to the Company by the Escrow
Agent, unless the Escrow Agent is otherwise specifically directed in writing by
the Company.

         4.       DISTRIBUTION OF INTEREST. Any interest earned on the Escrowed
Funds shall be retained by the Company.

         5.       FEE OF ESCROW AGENT. The escrow account will accrue a service
charge of $15.00 per month. In addition, a $20.00 per check fee will be charged
if the escrow account has to be refunded due to a failure to complete the
subscription. All of these fees are payable upon the release of the Escrowed
Funds, and the Escrow Agent is hereby authorized to deduct such fees from the
Escrowed Funds prior to any release thereof pursuant to Section 3 hereof.

         6.       LIABILITY OF ESCROW AGENT.

         (a)      In performing any of its duties under the Agreement, or upon
the claimed failure to perform its duties hereunder, the Escrow Agent shall not
be liable to anyone for any damages, losses or expenses which it may incur as a
result of the Escrow Agent so acting, or failing to act; provided, however, the
Escrow Agent shall be liable for damages arising out of its willful default or
misconduct or its gross negligence under this Agreement. Accordingly, the Escrow
Agent shall not incur any such liability with respect to (i) any action taken or
omitted to be taken in good faith upon advice of its counsel or counsel for the
Company which is given with respect to any questions relating to the duties and
responsibilities of the

<PAGE>   3

Escrow Agent hereunder; or (ii) any action taken or omitted to be taken in
reliance upon any document, including any written notice or instructions
provided for this Escrow Agreement, not only as to its due execution and to the
validity and effectiveness of its provisions but also as to the truth and
accuracy of any information contained therein, if the Escrow Agent shall in good
faith believe such document to be genuine, to have been signed or presented by a
proper person or persons, and to conform with the provisions of this Agreement.

         (b)      The Company agrees to indemnify and hold harmless the Escrow
Agent against any and all losses, claims, damages, liabilities and expenses,
including, without limitation, reasonable costs of investigation and counsel
fees and disbursements which may be imposed by the Escrow Agent or incurred by
it in connection with its acceptance of this appointment as Escrow Agent
hereunder or the performance of its duties hereunder, including, without
limitation, any litigation arising from this Escrow Agreement or involving the
subject matter thereof; except, that if the Escrow Agent shall be found guilty
of willful misconduct or gross negligence under this agreement, then, in that
event, the Escrow agent shall bear all such losses, claims, damages and
expenses.

         (c)      If a dispute ensues between any of the parties hereto which,
in the opinion of the Escrow Agent, is sufficient to justify its doing so, the
Escrow Agent shall retain legal counsel of its choice as it reasonably may deem
necessary to advise it concerning its obligations hereunder and to represent it
in any litigation to which it may be a part by reason of this Agreement. The
Escrow Agent shall be entitled to tender into the registry or custody of any
court of competent jurisdiction all money or property in its hands under the
terms of this Agreement, and to file such legal proceedings as it deems
appropriate, and shall thereupon be discharged from all further duties under
this Agreement. Any such legal action may be brought in any such court as the
Escrow Agent shall determine to have jurisdiction thereof. In connection with
such dispute, the Company shall indemnify the Escrow Agent against its court
costs and reasonable attorney's fees incurred.

         (d)      The Escrow Agent may resign at any time upon giving thirty
(30) days written notice to the Company. If a successor escrow agent is not
appointed by Company within thirty (30) days after notice of resignation, the
Escrow Agent may petition any court of competent jurisdiction to name a
successor escrow agent and the Escrow Agent herein shall be fully relieved of
all liability under this Agreement to any and all parties upon the transfer of
the Escrowed Funds and all related documentation thereto, including appropriate
information to assist the successor escrow agent with the reporting of earnings
of the Escrowed Funds to the appropriate state and federal agencies in
accordance with the applicable state and federal income tax laws, to the
successor escrow agent designated by the Company appointed by the court.

         7.       APPOINTMENT OF SUCCESSOR. The Company may, upon the delivery
of thirty (30) days written notice appointing a successor escrow agent to the
Escrow Agent, terminate the services of the Escrow Agent hereunder. In the event
of such termination, the Escrow Agent shall immediately deliver to the successor
escrow agent selected by the Company, all documentation and Escrowed Funds
including interest earnings thereon in its possession, less any fees and
expenses due to the Escrow Agent or required to be paid by the Escrow Agent to a
third party pursuant to this Agreement.

         8.       NOTICE. All notices, requests, demands and other
communications or deliveries required or permitted to be given hereunder shall
be in writing and shall be deemed to have been duly given three days after
having been deposited for mailing if sent by registered mall, or certified mail
return receipt requested, or delivery by courier, to the respective addresses
set forth below:

<PAGE>   4

IF TO THE SUBSCRIBERS FOR SHARES:  To their respective addresses as
                                     specified in their Subscription Agreements.

THE COMPANY:                       Integrity Bank (In Organization)
                                     11130 State Bridge Road
                                     Suite D-203
                                     Alpharetta, Georgia 30022

THE ESCROW AGENT:                    The Bankers Bank
                                     2410 Paces Ferry Road
                                     600 Paces Summit
                                     Atlanta, GA 30339-4098
                                     Attention:  Mr. Kevin J. Wilson
                                                 Vice President

         9.       REPRESENTATIONS OF THE COMPANY. The Company hereby
acknowledges that the status of the Escrow Agent with respect to the offering of
the Shares is that of agent only for the limited purposes herein set forth, and
hereby agrees it will not represent or imply that the Escrow Agent, by serving
as the Escrow Agent hereunder or otherwise, has investigated the desirability or
advisability in an investment in the Shares, or has approved, endorsed or passed
upon the merits of the Shares, nor shall the Company use the name of the Escrow
Agent in any manner whatsoever in connection with the offer or sale of the
Shares, other than by acknowledgment that it has agreed to serve as Escrow Agent
for the limited purposes herein set forth.

         10.      GENERAL.

         (a)      This Agreement shall be governed by and construed and enforced
in accordance with the laws of the State of Georgia.

         (b)      The section headings contained herein are for reference
purposes only and shall not in any way affect the meaning or interpretation of
this Agreement.

         (c)      This Agreement sets forth the entire agreement and
understanding of the parties with regard to this escrow transaction and
supersedes all prior agreements, arrangements and understandings relating to the
subject matter hereof.

         (d)      This Agreement may be amended, modified, superseded or
canceled, and any of the terms or conditions hereof may be waived, only by a
written instrument executed by each party hereto or, in the case of a waiver, by
the party waiving compliance. The failure of any part at any time or times to
require performance of any provision hereof shall in no manner affect the righ
at a later time to enforce. the same. No waiver in any one or more instances by
any part of any condition, or of the breach of any term contained in this
Agreement, whether by conduct or otherwise, shall be deemed to be, or construed
as, a further or continuing waiver of any such condition or breach or a waiver
of any other condition or of the breach of any other terms of this Agreement.

         (e)      This Agreement may be executed simultaneously in two or more
counterparts, each of which shall be deemed an original, but all of which
together shall constitute one and the same instrument.

         (f)      This Agreement shall inure to the benefit of the parties
hereto and their respective administrators, successors and assigns. The Escrow
Agent shall be bound only by the terms of this Escrow

<PAGE>   5

Agreement and shall not be bound by or incur any liability with respect to any
other agreement or understanding between.the parties except as herein expressly
provided. The Escrow Agent shall not have any duties hereunder except those
specifically set forth herein.

         (g)      No interest in any part to this Agreement shall be assignable
in the absence of a written agreement by and between all the parties to this
Agreement, executed with the same formalities as this original Agreement.

         IN WITNESS WHEREOF, the parties have duly executed this Agreement as
the date first written above.

COMPANY:                                            ESCROW AGENT:

INTEGRITY BANK, I.O.                                     THE BANKERS BANK

By:                                                 By:
   ----------------------------                        ------------------------
      Steven M. Skow                                        Kevin J. Wilson
      President                                             Vice President<PAGE>   1

                                                                    EXHIBIT 10.1

                   PROFESSIONAL TRANSPORTATION GROUP LTD INC.
                        1950 Spectrum Circle, Suite B-100
                             Marietta, Georgia 30067

December 31, 1999

Thomson Kernaghan & Co. Ltd.
365 Bay Street, Tenth Floor
Toronto, Ontario M5H 2V2 Canada

Ladies and gentlemen:

         This letter will confirm that effective as of December 31, 1999,
Professional Transportation Group Ltd., Inc. (the "Company") has engaged Thomson
Kernaghan & Co. Ltd. (the "Agent"), on the terms set forth in this letter, to
privately place on a best efforts basis with purchasers (each a "Purchaser" and
collectively "Purchasers") who are not U.S. persons, up to US$2,500,000 in
aggregate amount of the Company's 10% Convertible Debentures Due January 31,
2003 (the "Debentures"), in transactions that are exempt from the registration
requirements of the Securities Act of 1933, as amended (the "Securities Act"),
pursuant to Section 4(2) thereof and the safe harbor afforded by Regulation S of
the Securities and Exchange Commission (the "SEC"). The Debentures shall be in
the form of Annex I hereto, with appropriate insertions.

         1. The Debentures shall bear interest at the rate of 10% per year from
the date of issuance, payable upon conversion, redemption or maturity, whichever
occurs first. Interest shall be payable, at the holder's option, in cash or in
shares of the Company's common stock ("Common Stock"). The Debentures shall be
convertible from time to time in such amounts, as the Purchaser shall specify,
beginning 30 days after the Initial Closing Date. The conversion price of the
Debentures shall be the higher of (i) US$0.75 or (ii) the lower of 80% of the
average closing bid price of the Common Stock quoted on the Nasdaq Small Cap
Market for the three trading days preceding (x) the Initial Closing Date, or (y)
the conversion date; i.e., in no event shall the Conversion Price be less that
US$0.75 per share of Common Stock. The Company shall have the right to redeem
the Debentures if the closing bid price of the Common Stock shall be less than
$1.50 for any 20 consecutive trading days. The redemption period shall be the 30
trading days following such 20 consecutive trading days. The redemption price
shall be 125% of the principal amount of the outstanding Debentures, plus
accrued interest.

         2. The initial placement (the first tranche) of the Debentures shall be
in the principal amount of US$600,000 (the "Initial Purchase"), and shall close
on or before January 21, 2000 (the actual date of funding the Initial Purchase
being the "Initial Closing Date").

         3. The Purchasers will establish a facility for the US$1,900,000
principal balance of the Debentures, upon which the Company may draw in
additional tranches of up to $500,000 each, upon the following conditions: (i)
the Registration Statement (defined below) shall have been filed, in the case of
the second tranche, and shall be effective, in the case of all subsequent
tranches; (ii) the Common Stock shall be registered under the Securities
Exchange Act of 1934,

<PAGE>   2

as amended (the "Exchange Act"), and the Company shall be a reporting company
under the Exchange Act and shall have filed in a timely manner all reports
required of it under the Exchange Act and rules of the Securities and Exchange
Commission (the "SEC"); (iii) the Common stock shall be listed on the Nasdaq
Small Cap Market or National Market System; (iv) the average closing bid price
of the Common Stock for the five trading days preceding such draw shall be above
US$1.50; (v) the average daily trading volume for those five trading days shall
be more than 25,000 shares (the Agent may, at its, discretion, waive conditions
(iv) and (v)); and (vi) the Company shall have delivered 600,000 to the Escrow
Agent, registered in the Escrow Agent's street name, in DTC form, of shares of
Common Stock.

         4. On the Initial Closing Date, the Company shall issue and deliver to
the Agent (i) a warrant to purchase 214,285 shares of Common Stock (the
"Purchasers' Warrant), and (ii) a warrant to purchase 142,857 shares of Common
Stock (the "Agent's Warrant"), each at the price of $1.75 per share. The
Purchasers' Warrant and the Agent's Warrant shall be in the form of Annex II to
this Agreement, with appropriate insertions.

         5. Promptly upon the Agent's written acceptance of this engagement, and
in any event by February 15, 2000, the Company shall file a registration
statement under the Securities Act on Form S-3 (the "Registration Statement")
for the purpose of registering the issuance of 150% of the shares of Common
Stock underlying the Debentures (based upon the Initial Closing Date as the
Conversion Date), and 100% of the Common Stock underlying the Purchaser's
Warrants and the Placement Agent's Warrants. The Company shall use its
reasonable best efforts to cause the registration statement to be declared
effective by the SEC as soon as possible, and in any event by April 15, 2000.
The Company shall cause the registration statements to remain effective until 30
days after the Debentures have been converted or redeemed and the Warrants
exercised or expired. The Company shall also remain a reporting company under
the Exchange Act and cause its shares to be quoted on the Nasdaq Small Cap
Market until 30 days after the Debentures have been converted or redeemed and
the Warrants exercised or expired.

         6. The Company acknowledges and agrees that the Agent will be
substantially damaged if the Company does not cause the Registration Statement
to be effective by April 15, 2000, and that those damages would be difficult, if
not impossible to ascertain. Accordingly, if the Registration Statement has not
been declared effective by April 15, 2000, then, (i) for each of the first 30
days after April 15, 2000 that the Registration Statement is not effective, the
Company shall pay the Agent, as liquidated damages and not as a penalty, an
amount per day equal to 2% per month of the aggregate unpaid principal amount of
the outstanding Debentures; and (ii) for each day thereafter that the
Registration Statement is not effective, the Company shall pay the Agent, as
liquidated damages and not as a penalty, an amount per day equal to 3% per month
of the aggregate unpaid principal amount of the outstanding Debentures, until
the Registration Statement is effective.

         7. Contemporaneously with the execution of this Agreement, the Company
shall execute an escrow agreement with the Agent as escrow holder (the "Escrow
Agreement") in the form of Annex III to this Agreement, shall issue certificates
for the 600,000 shares of Common Stock into which the Debentures and Warrants
are convertible, registered in the name of Thomson

                                      -2-

<PAGE>   3

Kernaghan & Co. Limited, and shall deliver those certificates to the Agent as
escrow holder pursuant to the terms of the Escrow Agreement. The certificates
shall bear a legend indicating that they have been issued in a transaction that
is exempt from the registration requirements of the Securities Act, and may not
be transferred except pursuant to registration under the Securities Act or an
exemption from such registration. Except for such legend, the Common Stock
underlying the Purchasers' Warrant and the Agent's Warrant shall be free and
clear of any legends, liens, claims, stop orders or other restrictions. Not
later than the third business day following the effective date of the
Registration Statement, the Company shall cause the Common Stock underlying the
Debentures, the Purchasers' Warrant and the Agent's Warrant to be registered in
Agent's street name, in DTC form, free and clear of any legends, liens, claims,
stop orders or other restrictions.

         8. Each of the following conditions precedent must be satisfied prior
to the Initial Purchase: (a) the Agent shall have received duly executed
originals of (i) this Agreement, (ii) the Escrow Agreement, (iii) the
Purchasers' Warrant, (iv) the Agent's Warrant, (v) the Debenture for the Initial
Purchase; (vi) a resolution of the Company's board of directors authorizing the
transactions contemplated by this Agreement; (vii) an opinion of the Company's
legal counsel substantially in the form of Annex IV to this Agreement; and (b)
the Escrow Holder shall have received the certificate for the 600,000 shares of
Common Stock into which the Debentures representing the Initial Purchase are
convertible, and the shares of Common Stock underlying the Purchasers' Warrant
and the Agent's Warrant.

         9. The Company represents and warrants to the Agent that:

         (a) Incorporation, Good Standing, and Due Qualification. The Company is
a corporation duly incorporated, validly existing and in good standing under the
laws of the state of Georgia; has the corporate power and authority to own its
assets and to transact the business in which it is now engaged and proposes to
be engaged in; and is duly qualified as a foreign corporation and in good
standing under the laws of each other jurisdiction in which such qualification
is required.

         (b) Corporate Power and Authority. The Company's execution, delivery
and performance of this Agreement, the Debentures, the Purchasers' Warrant, the
Agent's Warrant and the Escrow Agreement, and the transactions contemplated
hereby and thereby, including the Company's issuance, delivery and registration
of the Common Stock underlying the Debentures, the Purchasers' Warrant and the
Agent's warrant, have been duly authorized by all necessary corporate action and
do not and will not (i) require any consent or approval of its stockholders,
except for such approval as may be required, by the rules applicable to
companies whose common stock trades on the Nasdaq Stock Market; (ii) contravene
its charter or bylaws; (iii) violate any provision of any law, rule, regulation,
order, writ, judgment, injunction, decree, determination or award presently in
effect having applicability to it; (iv) result in a breach of or constitute a
default under any agreement or instrument to which it is a party or by which it
or its properties may be bound or affected; or (v) cause it to be in default
under any such law, rule, regulation, order, writ, judgment, injunction, decree,
determination or award, or any such agreement, or instrument. Such shares of
Common Stock are duly authorized as under the

                                      -3-
<PAGE>   4

Company's Articles of Incorporation, and when issued and sold upon conversion of
the Debentures and exercise of the Warrants will be fully paid and
non-assessable.

         (c) Legally Enforceable Agreement. This Agreement is, and the
Debentures, the Purchasers' Warrant, the Agent's Warrant and the Escrow
Agreement when delivered will be, legal, valid and binding obligations of the
Company' enforceable against the Company in accordance with their respective
terms, except to the extent that such enforcement may be limited by applicable
bankruptcy, insolvency and other similar laws affecting creditors' rights
generally.

         (d) Litigation. Except as disclosed in reports and statements filed by
the Company with the SEC, there is no pending or, to the Company's knowledge,
threatened, action or proceeding against or affecting the Company before any
court, governmental agency, or arbitrator which may, in any one case or in the
aggregate, materially adversely affect the financial condition, operations,
properties, or business of the Company or it ability, to perform its obligations
under the this Agreement, the Debentures, the Purchasers' Warrant, the Agent's
Warrant or the Escrow Agreement.

         (e) Registration and Listing of Common Stock. The Common Stock is
listed on the Nasdaq Small Cap Market. The Company has filed all reports and
other documents required of it by the Exchange Act, the rules and regulations of
the SEC, and the rules and regulations of the National Association of Securities
Dealers applicable to Nasdaq Small Cap companies. If required to maintain
compliance with the listing requirements of the Nasdaq Stock Market,
particularly the "Corporate Governance" rules, the Company shall solicit proxies
from its shareholders in order to permit conversions of the Debentures in
amounts that exceed 20% of the number of shares of Common Stock outstanding on
the date of this Agreement. Each of the Company's reports and other documents
filed with the SEC pursuant to the Exchange Act are true, correct and complete
in all material respects. There are no material facts that relate to the
Company's financial condition, operations or business, that are not disclosed in
such reports and statements, that have not been disclosed in writing to the
Agent.

         (f) Regulation S Compliance. (i) The Company is offering and selling
the Debentures, the Purchasers' Warrant and the Agent's Warrant in an offshore
transaction as defined by SEC Regulation S; (ii) no directed selling efforts
with respect to the Debentures, the Purchasers' Warrant or the Agent's Warrant
have been made by the Company or any of its affiliates, or by any person acting
on behalf of any of the foregoing; and (iii) the Company has complied with all
of the terms and conditions of SEC Regulation S to be complied with by it for an
offshore offering of the Debentures, the Purchaser's Warrant and the Agent's
Warrant.

         10. The Agent represents and warrants to the Company that it is not a
U.S. person, and that it will not offer or sell any of the Debentures in the
United States or to U. S. persons, as defined by SEC Regulation S.

         11. The Company agrees that without the Agent's prior written consent:
(i) until the Registration Statement is effective and for a period of 180 days
thereafter, it will not offer or sell

                                      -4-
<PAGE>   5

any Common Stock, or securities that are convertible into Common Stock, and (ii)
until the Debentures have been converted, matured or redeemed, and until the
Purchasers' Warrant and Agent's Warrant have been exercised or expired, it will
not offer or sell any Common Stock, or securities that are convertible into
Common Stock, at a price per share of Common Stock less than the greater of (x)
the average closing bid price of the Common Stock for the three trading days
preceding the date on which the Common Stock is sold or the securities
converted, as the case may be, and (y) US$2.1875.

         12. The Company will pay the Agent a fee (the "Agent's Fee") in an
amount equal to 10% (US$250,000) of the face amount of the Debentures, payable
ratably upon the funding of the Debentures. The Company authorizes the Agent to
withhold the applicable amount of the Agent's Fee and expenses from each
funding.

         13.  General Provisions.

         13.1. Amendments, etc. No amendment, modification, termination, or
waiver of any provision of this Agreement, nor consent to any departure by the
Company to any of its provisions, shall in any event be effective unless the
same shall be in writing and signed by the Agent, and then such waiver or
consent shall be effective only in the specific instance and for the specific
purpose for which given.

         13.2. Notices, Etc. All notices given under this Agreement shall be in
writing, addressed to the parties as set forth below, and shall be effective on
the earliest of (i) the date received, or (ii) if given by facsimile transmittal
on the date given if transmitted before 5:00 p.m. the recipient's time,
otherwise it is effective the next day, or (iii) on the second business day
after delivery to a major international air delivery or air courier service
(such as Federal Express or Network Couriers):

<TABLE>
     <S>                                                      <C>
              If to the Agent:                                         If to the Company:
     Thomson Kernaghan & Co. Ltd.                             Professional Transportation Group Ltd., Inc.
     365 Bay Street, Tenth Floor                              1950 Spectrum Circle, Suite B-100
     Toronto, Ontario M5H 2V2                                 Marietta, Georgia 30067
     Attention: Mark E. Valentine, Chairman                   Attention: Dennis A. Bakal
     Facsimile No. (416) 367-8055                             Chief Executive Officer and President
                                                              Facsimile No. (770) 955-2894
     With a copy (that does not constitute
         notice) to:                                               With a copy (that does not constitute
     John M. Mann                                                      Notice) to:
     Attorney at Law                                          Judson B. Wagenseller
     1330 Post Oak Boulevard, Suite 2800                      Attorney at Law
     Houston, Texas 77056-3060                                2107 Bainbridge Row Drive
     Facsimile No. (713) 622-7185                             Louisville, Kentucky 40207
                                                              Facsimile No. (502) 899-5108
</TABLE>

                                      -5-
<PAGE>   6

         13.3. Successors and Assigns. This Agreement shall be binding upon and
inure to the benefit of the Company and the Agent, and their respective
successors and assigns, except that the Company may not assign or transfer any
of its rights under this Agreement without the prior written consent of the
Agent.

         13.4. Fees, and Expenses. The Company agrees to pay the reasonable fees
and expenses incurred by the Agent in connection with the negotiation,
administration or enforcement of this Agreement, including the reasonable fees
and expenses of its legal counsel.

         13.5. Indemnity. The Company agrees to indemnify the Agent and its
officers, directors, employees, agents and shareholders against, and agrees to
hold each of them harmless from, any liability to or claim by any of the
Purchasers of any nature whatsoever (whether in contract or tort or mixed), and
any expenses (including attorney's fees) incurred, arising out of or related to
its actions or failure to act, except for such actions or inaction that are
illegal or that constitute willful misconduct under the laws of the province of
Ontario or the national laws of Canada.

         13.6. Governing Law. This Agreement shall be governed by, and construed
in accordance with, the laws of the Province of Ontario, Canada; provided,
however, if any provision of this Agreement is unenforceable under Ontario law,
but is enforceable under the laws of the U.S. State of Georgia, then Georgia law
shall govern the construction and enforcement of that provision.

         13.7. Dispute Resolution. Any controversy or claim arising out of or
relating to this Agreement (whether in contract or tort, or both, or at law or
in equity) shall be determined by binding arbitration at Toronto, Canada, in
accordance with the commercial arbitration rules of the International Chamber of
Commerce. The prevailing party in any arbitration proceeding shall be awarded
reasonable attorneys fees and costs of the proceeding. The arbitration award
shall be final, and may be entered in any court having jurisdiction. Nothing in
this paragraph shall preclude either party from applying to a court for
temporary equitable relief, when appropriate, pending and subject to such
temporary orders and permanent award as the arbitrator or arbitrators may make.
The parties hereby consent to the exclusive jurisdiction of the courts of the
Province of Ontario for that purpose.

         13.8. Company's Wiring Instructions. The Agent shall disburse the net
proceeds from the sale of Debentures by wire transfer to the Company, as
follows:

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

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

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

                  Account Name:
                               -----------------------------

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

                  Account Number:
                                  --------------------------

                  ABA Routing Number:
                                      ----------------------

                                      -6-
<PAGE>   7

Please indicate your acceptance of your engagement as Agent on the terms set
forth in this Agreement by executing a copy of this letter in the space provided
below, and returning an executed copy to us.

Sincerely,

Professional Transportation Group Ltd., Inc.

By /s/ Dennis A. Bakal
   -------------------

Name                                      Accepted, confirmed and agreed:
     -------------------------
Title CEO
Date signed 12/31/99                      Thomson Kernaghan & Co. Ltd.

                                          By  /s/ Mark Valentine
                                             --------------------------------
                                          Name Mark Valentine
                                              -------------------------------
                                          Title  Chairman
                                                -----------------------------
                                          Date Signed
                                                     ------------------------

                                      -7-
<PAGE>   8

THIS DEBENTURE AND THE SECURITIES ISSUABLE UPON CONVERSION HEREOF HAVE NOT BEEN
REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE "ACT") NOR
REGISTERED OR QUALIFIED UNDER THE SECURITIES OR BLUE SKY LAWS OF ANY STATE. THIS
DEBENTURE AND THE SECURITIES ISSUABLE UPON CONVERSION HEREOF ARE BEING OFFERED
PURSUANT TO A SAFE HARBOR FROM REGISTRATION UNDER REGULATION S PROMULGATED UNDER
THE ACT. THE SECURITIES ARE "RESTRICTED" AND MAY NOT BE OFFERED OR SOLD IN THE
UNITED STATES OR TO U.S. PERSONS (AS SUCH TERM IS DEFINED IN REGULATION S
PROMULGATED UNDER THE ACT) UNLESS THE SECURITIES ARE REGISTERED UNDER THE ACT,
PURSUANT TO REGULATION S OR PURSUANT TO AVAILABLE EXEMPTIONS FROM THE
REGISTRATION REQUIREMENTS OF THE ACT AND THE SELLER WILL BE PROVIDED WITH
OPINION OF COUNSEL OR OTHER SUCH INFORMATION AS IT MAY REASONABLY REQUIRE TO
CONFIRM THAT SUCH EXEMPTIONS ARE AVAILABLE. HEDGING TRANSACTIONS INVOLVING THE
SECURITIES MAY NOT BE MADE EXCEPT IN COMPLIANCE WITH THE ACT.

US$ ....................                          Debenture No. ...............

                  PROFESSIONAL TRANSPORTATION GROUP LTD., INC.

                 10% Convertible Debenture Due January 31, 2003

         THIS DEBENTURE is one of a duly authorized issue of US$2,500,000 of 10%
Convertible Debentures due January 31, 2003 (the "Debentures"), of Professional
Transportation Group Ltd., Inc., a corporation duly organized and existing under
the laws of the State of Georgia (the "Company") designated as its 10%
Convertible Debentures due January 31, 2003.

         FOR VALUE RECEIVED, the Company promises to pay to the order of THOMSON
KERNAGHAN & CO. LIMITED, AS NOMINEE, or other registered holder hereof
(collectively, the "Holder"), the principal sum of..............................
 .................................................. Dollars in lawful currency of
the United States of America (US $...............) on January 31, 2003 (the
"Maturity Date"), and to pay interest on the principal sum outstanding from time
to time on the Maturity Date at the rate of Ten Percent (10%) per year accruing
from the date of initial issuance. Subject to the provisions of paragraph 4
below, the principal of and interest on this Debenture are payable at the option
of the Holder, in shares of the Company's Common Stock ("Common Stock"). The
Company will pay the principal of and interest upon this Debenture on the
Maturity Date to the Holder in immediately available funds, in care of Thomson
Kernaghan & Co. Ltd. as Agent (the "Agent"), at the Agent's address, 365 Bay
Street, Tenth Floor, Toronto, Ontario M5H 2V2, Canada, or at such other address
as the Agent shall designate by written notice to the Company. The delivery of
such funds to the Agent shall constitute a payment and shall satisfy and
discharge the liability for principal and interest on this Debenture to the
extent of the sum represented by such payment.

This Debenture is subject to the following additional provisions:

         1. The Debentures are issuable in denominations of One Hundred Thousand
United States Dollars (US $100,000) and integral multiples thereof. The
Debentures are exchangeable for an equal aggregate principal amount of
Debentures of different authorized denominations, as requested by the Holders
surrendering the same. No service charge will be made for such registration or
transfer or exchange.

<PAGE>   9

         2. This Debenture may be transferred only in compliance with the
Securities Act of 1933, as amended (the "Securities Act"), and other applicable
state and foreign securities laws, pursuant to registration thereunder or
exemption therefrom. In the event of any proposed transfer of this Debenture,
the Company may require, prior to issuance of a new Debenture in the name of
such other person, that it receive reasonable transfer documentation including
opinions that the issuance of the Debenture in such other name does not and will
not cause a violation of the Securities Act or any applicable state or foreign
securities laws. Prior to due presentment for transfer of this Debenture, the
Company and any agent of the Company may treat the person in whose name this
Debenture is duly registered on the Company's Debenture Register as the owner
hereof for the purpose of receiving payment as herein provided and for all other
purposes, whether or not this Debenture be overdue, and neither the Company nor
any such agent shall be affected by notice to the contrary.

         3. Registration under the Securities Act of 1933.

         (a) As soon as possible, and in any event on or before February 15,
2000, the Company shall, at no cost or expense to the Holder, file a
registration statement (the "Registration Statement") under the Securities Act,
for the purpose of registering the issuance of shares of Common Stock into which
the Debentures are convertible. The Company shall use its reasonable best
efforts to cause the Registration Statement to be declared effective by the SEC
as soon as possible, and in any event on or before April 15, 2000. The Company
shall cause the Registration Statement to continuously remain effective, and
shall cause the Common Stock to be continuously registered under the Securities
Exchange Act of 1934, as amended (the "Exchange Act") and continuously quoted on
the OTC Bulletin Board or listed on the Nasdaq Small Cap Market, until the
thirtieth (30th) day after this Debenture shall have been fully converted, or
matured, or redeemed, whichever occurs first.

         (b) In connection with the filing the Registration Statement, the
Company shall: (i) notify the Holder as to the filing thereof and of all
amendments thereto filed prior to the effective date; (ii) notify the Holder,
promptly after it shall have received notice thereof, of the time when the
Registration Statement becomes effective or any supplement to any prospectus
forming a part of the Registration Statement has been filed; (iii) prepare and
file without expense to the Holder any necessary amendment or supplement to such
registration statement or prospectus as may be necessary to comply with the
Securities Act or advisable in connection with the proposed distribution of the
securities; (iv) take all reasonable steps to qualify the Common Stock being
registered for sale under the securities or blue sky laws in such reasonable
number of states as the Holder may designate in writing and to register or
obtain the approval of any federal or state authority that may be required in
connection with the proposed distribution, except in jurisdictions in which the
Company must either qualify to do business or file a general consent to service
of process as a condition to the qualification of such securities; (v) notify
the Holder of any stop order suspending the effectiveness of the registration
statement and use reasonable efforts to remove such stop order; and (vi) furnish
to the Holder, as soon as available, copies of any such registration statement
and each preliminary or final prospectus and any supplement or amendment,
including all exhibits thereto, required to be prepared pursuant to this
paragraph.

         (c) The Company acknowledges and agrees that the Holder will be
substantially damaged if the Company does not cause the Registration Statement
to be effective by April 15,

                                    ANNEX I
                                      -2-
<PAGE>   10

2000, but those damages would be difficult, if not impossible to ascertain.
Accordingly, if the Registration Statement has not been declared effective by
April 15, 2000, then, (i) for each of the first 30 days following April 15,
2000, that the Registration Statement is not effective, the Company shall pay
the Holder, as liquidated damages and not as a penalty, an amount per day equal
to 2% per month of the principal amount of this Debenture; and (ii) for each day
thereafter that the Registration Statement is not effective, the Company shall
pay the Holder, as liquidated damages and not as a penalty, an amount per day
equal to 3% per month of the purchase price of this Debenture, until the
Registration Statement is effective.

         4. The Holder of this Debenture is entitled, at its option, to convert
at any time and from time to time beginning on the thirtieth (30th) day after
the Initial Closing Date, all or any part of the principal amount of the
Debenture, plus accrued interest. No fraction of shares (as such terms is
defined in that certain letter agreement between the Company and Thomson
Kernaghan & Co. Ltd. (the "Agreement") or scrip representing fractions of shares
will be issued on conversion, but the number of shares issuable shall be rounded
to the nearest whole share. To convert this Debenture, this Debenture must be
surrendered at the principal executive office of the Escrow Agent pursuant to an
Escrow Agreement between the Company and Thomson Kernaghan & Co. Ltd., effective
as of December 31, 1999, accompanied by written notice of conversion
substantially in the form of Exhibit A to this Debenture, with appropriate
insertions (a copy of which will also be sent to the Company, to the Chief
Financial Officer's attention as a courtesy). The date upon which the conversion
shall be effective (the "Conversion Date") shall be deemed to be the date on
which the Holder has delivered this Debenture, with the conversion notice duly
executed to Escrow Holder, or if earlier, the date set forth in such notice of
conversion if the Debenture and such conversion notice is received by the Escrow
Holder within three (3) business days therefrom. The Escrow Holder will deliver
certificates representing the Common Stock into which the Debenture is converted
within three (3) business days following receipt of the Debenture and conversion
notice. The price per share of Common Stock into which this Debenture is
convertible (the "Conversion Price") shall be the higher of (i) US$0.75 or (ii)
the lower of 80% of the average closing bid price of the Common Stock quoted on
the Nasdaq Small Cap Market for the three trading days preceding (x) the Initial
Closing Date, or (y) the conversion date; I.E., IN NO EVENT SHALL THE CONVERSION
PRICE BE LESS THAN US$0.75 PER SHARE OF COMMON STOCK. Notwithstanding anything
to the contrary contained herein, in the event that a conversion (when
aggregated with all prior conversions of portions of this Debenture and any
other Debentures issued pursuant to the Agreement and all shares of Common Stock
issuable upon exercise of the warrants granted pursuant to the terms of the
Agreement) requires the Company to issue a number of shares of Common Stock
which would exceed 19.9% of the number of shares of Common Stock issued and
outstanding on the date of the Agreement, the Company shall issue only such
number of shares of Common Stock as shall not exceed such limit and shall pay
the Holder cash in the amount of the Conversion Price for the number of shares
of Common Stock in excess of such number of shares into which this Debenture (or
the portion thereof then being converted) is then convertible at the Conversion
Price, unless the Company has obtained approval for such issuance pursuant to
the rules of the Nasdaq Stock Market, or as otherwise permitted by the Nasdaq
Stock Market, the Company hereby undertakes to solicit proxies for, and to use
its reasonable best efforts to obtain, such approval, if such approval is
required by the rules of the Nasdaq Stock Market.

                                    ANNEX I
                                      -3-
<PAGE>   11

     5. The Company shall have the right to redeem this Debenture if the closing
bid price of the Common Stock shall be less than $1.50 for any 20 consecutive
trading days, by giving the Holder written notice of its election to do so and
depositing the redemption price with the Escrow Holder prior to the expiration
of the redemption period.. The redemption period shall be the 30 trading days
following such 20 consecutive trading days. The redemption price shall be 125%
of the principal amount of the outstanding Debentures, plus accrued interest.

     6. No provision of this Debenture shall alter or impair the obligation of
the Company, which is absolute and unconditional, to pay the principal of and
interest on, this Debenture at the time, place and rate, and in the coin or
currency herein prescribed. This Debenture and all other Debentures now or
hereafter issued of similar terms are direct obligations of the Company.

     7. If the Company merges or consolidates with another corporation or sells
or transfers all or substantially all of its assets to another person and the
holders of the Common Stock are entitled to receive stock, securities or
property in respect of or in exchange for Common Stock, then as a condition of
such merger, consolidation, sale or transfer, the Company and any such
successor, purchaser or transferee shall amend this Debenture to provide that it
may thereafter be converted on the terms and subject to the conditions set forth
above into the kind and amount of stock, securities or property receivable upon
such merger, consolidation, sale or transfer by a holder of the number of shares
of Common Stock into which this Debenture might have been converted immediately
before such merger, consolidation, sale or transfer, subject to adjustments
which shall be as nearly equivalent as may be practicable. In the event of any
proposed merger, consolidation or sale or transfer of all or substantially all
of the assets of the Company (a "Sale"), the Holder hereof shall have the right
to convert by delivering a Notice of Conversion to the Company within fifteen
(15) days of receipt of notice of such Sale from the Company. In the event the
Holder hereof shall elect not to convert, the Company may prepay all outstanding
principal and accrued interest on this Debenture, less all amounts required by
law to be deducted, upon which tender of payment following such notice, the
right of conversion shall terminate.

     8. This Debenture shall be governed by and construed in accordance with the
laws of the State of Georgia, provided however, that if any provision of this
Debenture is unenforceable under the laws of Georgia but is enforceable under
the laws of the Province of Ontario, Canada, then that provision shall be
governed by and construed in accordance with the laws the Province of Ontario.
Any controversy or claim arising out of or relating to this Debenture (whether
in contract or tort, or both) shall be determined by binding arbitration at
Toronto, Canada, in accordance with the commercial arbitration rules of the
International Chamber of Commerce. The prevailing party in any arbitration
proceeding shall be awarded reasonable attorneys fees and costs of the
proceeding. The arbitration award shall be final, and may be entered in any
court having jurisdiction.

     9.  The following constitute an "Event of Default":

         a. The Company shall default in the payment of principal or interest on
this Debenture; or

         b. Any of the representations or warranties made by the Company herein
or in any certificate or financial or other written statements heretofore or
hereafter furnished by the

                                    ANNEX I
                                      -4-
<PAGE>   12

Company in connection with the execution and delivery of this Debenture shall be
false or misleading in any material respect at the time made; or

         c. The Company shall fail to perform or observe, in any material
respect, any other covenant, term, provision, condition, agreement or obligation
of the Company under this Debenture and such failure shall continue uncured for
a period of thirty (30) days after written notice from the Holder of such
failure; or

         d. The Company shall (1) admit in writing its inability to pay its
debts generally as they mature; (2) make an assignment for the benefit of
creditors or commence proceedings for its dissolution; or (3) apply for or
consent to the appointment of a trustee, liquidator or receiver for it or a for
a substantial part of its property or business; or

         e. A trustee, liquidator or receiver shall be appointed for the Company
or for a substantial part of its property or business without its consent and
shall not be discharged within sixty (60) days after such appointment; or

         f. Any governmental agency or any court of competent jurisdiction at
the instance of any governmental agency shall assume custody or control of the
whole or any substantial portion of the properties or assets of the Company and
shall not be dismissed within sixty (60) days thereafter; or

         g. Any money judgment, writ or warrant of attachment, or similar
process in excess of One Hundred Thousand Dollars ($100,000) in the aggregate
shall be entered or filed against the Company or any of its properties or other
assets, and shall remain unpaid, unvacated, unbonded or unstayed for a period of
sixty (60) days in or in any event later than five (5) days prior to the date of
any proposed sale thereunder; or

         h. Bankruptcy, reorganization, insolvency or liquidation proceedings or
other proceedings for relief under any bankruptcy law or any law for the relief
of debtors shall be instituted by or against the Company and, if instituted
against the Company, shall not be dismissed within one hundred twenty (120) days
after such institution or the Company shall by any action or answer approve of,
consent to, or acquiesce in any such proceedings or admit the material
allegations of, or default in answering a petition filed in any such proceeding;
or

         i. The Company shall fail to timely file the Registration Statement or
cause it to become and remain effective as provided in this Debenture; or

         j. The Company shall fail to timely file all reports required of it
under the Exchange Act, or the Common Stock shall fail to be registered under
the Exchange Ac, or the Company, for any reason, shall not be a reporting
company under the Exchange Act; or

         k. The Company shall have its Common Stock suspended or delisted from
an exchange or suspended from a Nasdaq market from trading.

         Then, or at any time thereafter, and in each and every case, unless
such Event of Default shall have been waived in writing by the Holder (which
waiver shall not be deemed to be a

                                    ANNEX I
                                      -5-
<PAGE>   13

waiver of any subsequent default) at the option of the Holder and in the
Holder's sole discretion, the Holder may consider this Debenture immediately due
and payable, without presentment, demand, protest or notice of any kind, all of
which are hereby expressly waived, anything herein or in any note or other
instruments contained to the contrary notwithstanding, and the Holder may
immediately enforce any and all of the Holder's rights and remedies provided
herein or any other rights or remedies afforded by law. Notwithstanding the
foregoing, payment of the principal of and accrued interest on this Debenture
shall be subordinated to the prior right to payment of SouthTrust Bank, N.A. and
its successors and assigns, pursuant to all presently existing credit agreements
and arrangements between the Company and such bank, including any amounts which
may be drawn by the Company in the future pursuant to an existing revolving line
of credit or other future obligation to lend by such bank upon the occurrence of
future events or conditions. The Holder, by acceptance hereof, acknowledges that
no cash payments of principal or interest will be made to Holder without the
consent of SouthTrust Bank, N.A. until and unless all credit arrangements
between the Company and such bank have been satisfied in full.

     11. Nothing contained in this Debenture shall be construed as conferring
upon the Holder the right to vote or to receive dividends or to consent or
receive notice as a shareholder in respect of any meeting of shareholders or any
rights whatsoever as a shareholder of the Company, unless and to the extent
converted in accordance with the terms hereof.

     IN WITNESS WHEREOF, the Company has caused this instrument to be duly
executed by an officer thereunto duly authorized.

Dated:                              Professional Transportation Group Ltd., Inc.
      ----------------------

                                    By
                                      -----------------------------------------
                                    Name
                                    --------------------------------------
                                    Title

                                    --------------------------------------
ATTEST:

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

                                    ANNEX I
                                      -6-
<PAGE>   14

                                   EXHIBIT "A"

                              NOTICE OF CONVERSION

   (To be executed by the Registered Holder in order to Convert the Debenture)

PROFESSIONAL TRANSPORTATION GROUP LTD., INC.
C/O THOMSON KERNAGHAN & CO. LTD

         The undersigned hereby irrevocably elects to convert $________________
of the principal amount of the above Debenture No. ______ into Shares of Common
Stock of Professional Transportation Group Ltd., Inc. (the "Company") according
to the conditions hereof, as of the date written above.

Date of Conversion
                  ---------------------------------------------

Applicable Conversion Price
                           ------------------------------------
Signature
         ------------------------------------------------------

Name
     ----------------------------------------------------------

Address:

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

                                    ANNEX I
                                      -7-
<PAGE>   15

THIS WARRANT AND THE SECURITIES ISSUABLE UPON EXERCISE HEREOF HAVE NOT BEEN
REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE "ACT") NOR
REGISTERED OR QUALIFIED UNDER THE SECURITIES OR BLUE SKY LAWS OF ANY STATE. THIS
WARRANT AND THE SECURITIES ISSUABLE UPON EXERCISE HEREOF ARE BEING OFFERED
PURSUANT TO A SAFE HARBOR FROM REGISTRATION UNDER REGULATION S PROMULGATED UNDER
THE ACT. THE SECURITIES ARE "RESTRICTED" AND MAY NOT BE OFFERED OR SOLD IN THE
UNITED STATES OR TO U.S. PERSONS (AS SUCH TERM IS DEFINED IN REGULATION S
PROMULGATED UNDER THE ACT) UNLESS THE SECURITIES ARE REGISTERED UNDER THE ACT,
PURSUANT TO REGULATION S OR PURSUANT TO AVAILABLE EXEMPTIONS FROM THE
REGISTRATION REQUIREMENTS OF THE ACT AND THE SELLER WILL BE PROVIDED WITH
OPINION OF COUNSEL OR OTHER SUCH INFORMATION AS IT MAY REASONABLY REQUIRE TO
CONFIRM THAT SUCH EXEMPTIONS ARE AVAILABLE. HEDGING TRANSACTIONS INVOLVING THE
SECURITIES MAY NOT BE MADE EXCEPT IN COMPLIANCE WITH THE ACT.

                THIS WARRANT WILL BE VOID AFTER JANUARY 31, 2003

                                     WARRANT

      TO PURCHASE .............................. SHARES OF COMMON STOCK OF

                  PROFESSIONAL TRANSPORTATION GROUP LTD., INC.

                  This is to certify, That FOR VALUE RECEIVED,

                          THOMSON KERNAGHAN & CO. LTD.
                                 (the "Holder")

is entitled to purchase, subject to the provisions of this Warrant (including
the Redemption Rights contained in Section 12 hereof), from Professional
Transportation Group Ltd., Inc. (the "Company"), a Georgia corporation, at any
time up to an including January 31, 2003, ......................................
(........................) shares of the Company's common stock ("Common Stock")
at a purchase price per share of One Dollar and Seventy Five Cents (US$1.75) in
currency of the United States of America. The number of shares of Common Stock
to be received upon the exercise of this Warrant and the price to be paid for a
share of Common Stock may be adjusted from time to time as hereinafter set
forth. The shares of the Common Stock deliverable upon such exercise, and as
adjusted from time to time, are hereinafter sometimes referred to as "Warrant
Stock," and the exercise price of a share of Common Stock in effect at any time
and as adjusted from time to time is hereinafter sometimes referred to as the
"Exercise Price."

     SECTION 1. EXERCISE OF WARRANT. Subject to the Company's rights of
redemption set forth in ss.12 hereof ("Redemption Rights"), this Warrant may be
exercised in whole or in part at any time and from time to time up to and
including January 31, 2003. If the date on which the Holder's right to purchase
Common Stock expires is a day on which national banks in the United States of
America are authorized by law to close, then that right shall expire on the next
succeeding day that is not such a day. The Holder shall exercise all rights to
purchase Common Stock by presenting and surrendering this Warrant to Thomson
Kernaghan & Co. as Escrow Holder (the "Escrow Holder"), at 365 Bay Street,
Toronto, Ontario M5H 2V2, Canada, with the Purchase Form annexed hereto (with a
courtesy copy to the Company's Chief Financial Officer) duly executed and
accompanied by payment of the Exercise Price for the number of shares specified
in such form. If this Warrant should be exercised in part only, or if the
Company should exercise any of its Redemption Rights, the Company shall, upon
surrender of this Warrant for

<PAGE>   16

cancellation, execute and deliver a new Warrant evidencing the right of the
holder to purchase the balance of the shares purchasable hereunder. Upon receipt
by the Escrow Holder of this Warrant, in proper form for exercise, with the
Purchase Form annexed hereto duly executed and accompanied by payment of the
Exercise Price for the number of shares specified in such form, the Holder shall
be deemed to be the holder of record of the shares of Common Stock issuable upon
such exercise, notwithstanding that certificates representing such shares of
Common Stock shall not then be actually delivered to the Holder. As soon as
practicable after each exercise of this Warrant, the Escrow Holder will deliver
the shares issuable upon such exercise to the Holder in accordance with the
terms of the Escrow Agreement (the "Escrow Agreement") between the Company and
the Escrow Holder dated as of December 31, 1999.

Notwithstanding anything to the contrary contained herein, in the event that an
exercise pursuant to this Warrant (when aggregated with all conversions of
portions of the Debentures issued pursuant to the Agreement and all shares of
the Common Stock issuable upon exercise of this Warrant and any other warrant
granted pursuant to the terms of the Agreement) requires the Company to issue a
number of shares of Common Stock which would exceed 19.9% of the number of
shares of Common Stock issued and outstanding on the date of the Agreement, the
Company shall issue only such number of shares of Common Stock as shall not
exceed such limit and shall pay the Holder cash in the amount of the Redemption
Price (as defined below) for the number of shares of Common Stock in excess of
such number of shares into which this Warrant (or the portion thereof then being
exercised) is then exercisable at the Exercise Price, unless the Company has
obtained shareholder approval for such issurance pursuant to the rules of the
Nasdaq Stock Market, or as otherwise permitted by the Nasdaq Stock Market.

     SECTION 2. ISSUANCE AND DELIVERY OF SHARES. The Company hereby represents,
warrants and agrees that at all times there shall be reserved for issuance and
delivery to the Escrow Holder the number of shares of Common Stock as shall be
required for issuance or delivery upon exercise of this Warrant. The Company
will take all such reasonable action as may be necessary to assure that the
Warrant Stock may be issued as provided herein, including, without limitation,
the solicitation of shareholder proxies for the shareholder approval, without
violation of any applicable law or regulation, or any requirements of the Nasdaq
Stock Market, or any domestic securities exchange upon which the Common Stock
may be issued.

     SECTION 3. FRACTIONAL SHARES. No fractional shares or script representing
fractional shares shall be issued upon the exercise of this Warrant. With
respect to any fraction of a share called for upon any exercise hereof, the
Company shall pay to the Holder an amount in cash equal to such fraction
multiplied by the closing bid price for the Common Stock on the Exercise Date as
reported by the National Association of Securities Dealers.

     SECTION 4.  TRANSFER, ASSIGNMENT OR LOSS OF WARRANT.

         (a) This Warrant and the Warrant Stock have not been filed or
     registered with the United States Securities and Exchange Commission or
     with the securities regulatory authority of any state. This Warrant and the
     Warrant Stock are subject to restrictions imposed by federal and state
     securities laws and regulations on transferability and resale, and may not
     be transferred assigned or resold except as permitted under the Securities
     Act of 1933, as amended (the "Act"), and the applicable state securities
     laws, pursuant to registration thereunder or exemption therefrom. Upon
     receipt by the Company of evidence satisfactory to it that this Warrant or
     any portion hereof, has been legally and validly transferred or assigned,
     the Company will, at the request of the Holder, upon presentation and
     surrender hereof to the Company or at the office of its stock transfer
     agent, if any, exchange this Warrant for one or more Warrants, in such
     denominations as the Holder shall specify, registered in such name or names
     as the Holder shall designate. If, at the time of such transfer or
     assignment, this Warrant has not been registered under

                                    ANNEX II
                                      -2-
<PAGE>   17

     the Act, then each such transferee and assignee shall furnish the Company
     with evidence satisfactory to it that such transferee or assignee is
     acquiring such Warrant for his, her or its own account, for investment
     purposes, and not with a view towards a distribution thereof or of the
     Warrant Stock issuable upon its exercise. The term "Warrant," as used
     herein, includes any Warrants issued in substitution for or replacement of
     this Warrant, or into which this Warrant may be divided or exchanged.

         (c) Upon receipt by the Company of evidence satisfactory to it of the
     loss, theft, destruction or mutilation of this Warrant, and in the case of
     loss, theft or destruction of reasonably satisfactory indemnification, and
     upon surrender and cancellation of this Warrant in the case of mutilation,
     the Company will execute and deliver a new Warrant of like tenor and date.
     Any such new Warrant executed and delivered shall constitute an additional
     contractual obligation on the part of the Company, whether or not this
     Warrant so lost, stolen, destroyed or mutilated shall be at any time
     enforceable by anyone.

         (d) The Company may cause any legend required under the Act and
     applicable state securities laws, or advisable in the opinion of its legal
     counsel, to be set forth on each Warrant.

     SECTION 5. RIGHTS OF THE HOLDER. The Holder shall not, by virtue hereof, be
entitled to any rights of a shareholder in the Company, either at law or equity,
and the rights of the Holder as the holder of this Warrant are limited to those
expressed in this Warrant and the Escrow Agreement.

     SECTION 6. ANTI-DILUTION PROVISIONS. So long as this Warrant is
outstanding, the Company shall not, without the prior consent of the Holder,
issue or sell (i) any Common Stock (other than treasury stock) without
consideration or for a consideration per share less than its fair market value
determined immediately prior to its issuance, or (ii) issue or sell any warrant,
option, right, contract, call, or other security or instrument granting the
holder thereof the right to acquire Common Stock (other than treasury stock)
without consideration or for a consideration per share less than such Common
Stock's fair market value determined immediately prior to its issuance. For the
purpose of this Section 6, the Common Stock's fair market value shall be the
closing bid price for the Common Stock on the as reported by the National
Association of Securities Dealers.

     SECTION 7. OFFICER'S CERTIFICATE. Whenever the Company shall determine the
fair market value of the Common Stock pursuant to Section 3 hereof, the Company
shall forthwith file in the custody of its Secretary at its principal office,
with its stock transfer agent and with the Escrow Holder, an officer's
certificate showing the such fair market value and the date as of which it was
determined, and setting forth in reasonable detail the facts requiring such
determination and the facts, assumptions, methodology and calculations employed
in determining such value. The Company shall forthwith deliver a copy of each
such officer's certificate to the Holder, and the Company shall make all such
officer's certificates available at all reasonable times for inspection by and
copying by the Holder.

     SECTION 8. NOTICES TO WARRANT HOLDERS. So long as this Warrant shall be
outstanding and any portion of it shall be unexercised, (i) if the Company shall
pay any dividend or make any distribution upon the Common Stock or (ii) if the
Company shall offer to the holders of Common Stock for subscription or purchase
by them any shares of stock of any class or any other rights or (iii) if any
capital reorganization of the Company, reclassification of the Company's capital
stock, consolidation or merger of the Company with or into another corporation
(other than a merger with a subsidiary in which merger the Company is the
continuing corporation and which does not result in any reclassification,
capital reorganization or other change of outstanding shares of Common Stock of
the class issuable upon exercise of this Warrant), sale, lease or transfer of
all or substantially all of the Company's property and assets to another
corporation, or voluntary or involuntary dissolution, liquidation or winding up
of the Company shall be effected,

                                    ANNEX II
                                      -3-
<PAGE>   18

then in any such case, the Company shall cause to be delivered to the Holder, at
least ten days prior to the date specified in (x) or (y) below, as the case may
be, a notice containing a brief description of the proposed action and stating
the date on which (x) a record is to be taken for the purpose of such dividend,
distribution or rights, or (y) such reclassification, reorganization,
consolidation, merger, conveyance, lease, dissolution, liquidation or winding up
is to take place and the date, if any is to be fixed, as of which the holders of
record of Common Stock shall be entitled to exchange their shares of Common
Stock for securities or other property deliverable upon such reclassification,
reorganization, consolidation, merger, conveyance, dissolution, liquidation or
winding up.

     SECTION 9. RECLASSIFICATION, REORGANIZATION OR MERGER. In case of any
reclassification, capital reorganization or other change of outstanding shares
of Common Stock of the Company (other than a change in par value, or from par
value to no par value, or from no par value to par value, or as a result of an
issuance of Common Stock by way of dividend or other distribution or of a
subdivision or combination), or in case of any consolidation or merger of the
Company with or into another corporation (other than a merger with a subsidiary
in which merger the Company is the continuing corporation and which does not
result in any reclassification, capital reorganization or other change of
outstanding shares of Common Stock of the class issuable upon exercise of this
Warrant) or in case of any sale or conveyance to another corporation of the
property of the Company as an entirety or substantially as an entirety, the
Company shall cause effective provision to be made so that the Holder shall have
the right thereafter, by exercising this Warrant, to purchase the kind and
amount of shares of stock and other securities and property receivable upon such
classification, capital reorganization or other change, consolidation, merger,
sale or conveyance. Any such provision shall include provision for adjustments
which shall be as nearly equivalent as may be practicable to the adjustments
provided for in this Warrant. The foregoing provisions of this Section 9 shall
similarly apply to successive reclassifications, capital reorganizations and
changes of shares of Common Stock and to successive consolidations, mergers,
sales or conveyances. In the event that in any such capital reorganization or
reclassification, consolidation, merger, sale or conveyance, additional shares
of Common Stock shall be issued in exchange, conversion, substitution or
payment, in whole or in part, for or of a security of the Company other than
Common Stock, any such issue shall be treated as an issue of Common Stock
covered by the provisions of Section 6 hereof with the amount of the
consideration received upon the issue thereof being determined by the Company's
board of directors, such determination to be final and binding on the Holder.

     If the Company shall at any time prior to the expiration of this Warrant
subdivide its outstanding Common Stock, by split-up or otherwise, or combine its
outstanding Common Stock, or issue additional shares of its capital stock in
payment of a stock dividend in respect of its Common Stock, the number of shares
issuable on the exercise of the unexercised portion of this Warrant shall
forthwith be proportionately increased in the case of a subdivision or stock
dividend, or proportionately decreased in the case of a combination, and the
purchase price then applicable to shares covered by the unexercised portion of
this Warrant shall forthwith be proportionately decreased in the case of a
subdivision or stock dividend, or proportionately increased in the case of a
combination.

     SECTION 10. SPIN-OFFS. In the event the Company spins-off a subsidiary by
distributing to the Company's stockholders as a dividend or otherwise the stock
of the subsidiary, the Company shall reserve for the life of the Warrant shares
of the subsidiary to be delivered to the holders of the Warrants upon exercise
to the same extent as if they were owners of record of the Warrant Stock on the
record date for payment of the shares of the subsidiary.

                                    ANNEX II
                                      -4-
<PAGE>   19

     SECTION 11.  REGISTRATION UNDER THE SECURITIES ACT OF 1933.

         (a) As soon as possible, and in any event on or before February 15,
     2000, the Company shall, at no cost or expense to the Holder, file a
     registration statement (the "Registration Statement") under the Securities
     Act, for the purpose of registering the Common Stock underlying this
     Warrant. The Company shall use its reasonable best efforts to cause the
     Registration Statement to be declared effective by the SEC as soon as
     possible, and in any event on or before April 15, 2000. The Company shall
     cause the Registration Statement to continuously remain effective, and
     shall cause the Common Stock to be continuously registered under the
     Exchange Act and continuously listed on the NASD OTC Bulletin Board or on
     the Nasdaq Small Cap Market, until the thirtieth (30th) day after this
     Warrant shall have been fully exercised, or until it shall have expired,
     whichever occurs first.

         (b) In connection with filing the Registration Statement pursuant to
     Section 11(a) hereof, the Company shall: (i) notify the Holder as to the
     filing thereof and of all amendments thereto filed prior to the effective
     date; (ii) notify the Holder, promptly after it shall have received notice
     thereof, of the time when the Registration Statement becomes effective or
     any supplement to any prospectus forming a part of the Registration
     Statement has been filed; (iii) prepare and file without expense to the
     Holder any necessary amendment or supplement to such registration statement
     or prospectus as may be necessary to comply with the Act or advisable in
     connection with the proposed distribution of the securities; (iv) take all
     reasonable steps to qualify the Warrant Stock being registered for sale
     under the securities or blue sky laws in such reasonable number of states
     as the Holder may designate in writing and to register or obtain the
     approval of any federal or state authority that may be required in
     connection with the proposed distribution, except in jurisdictions in which
     the Company must either qualify to do business or file a general consent to
     service of process as a condition to the qualification of such securities;
     (v) notify the Holder of any stop order suspending the effectiveness of the
     registration statement and use reasonable efforts to remove such stop
     order; and (vi) furnish to the Holder, as soon as available, copies of any
     such registration statement and each preliminary or final prospectus and
     any supplement or amendment, including all exhibits thereto, required to be
     prepared pursuant to this Section 11.

              (c) LIQUIDATED DAMAGES. The Company acknowledges and agrees that
     the Holder will be substantially damaged if the Company does not cause the
     Registration Statement to be effective by April 15, 2000, but those damages
     would be difficult, if not impossible to ascertain. Accordingly, if the
     Registration Statement has not been declared effective by April 15, 2000,
     then, (i) for each of the first 30 days following April 15, 2000 that the
     Registration Statement is not effective, the Company shall pay the Holder,
     as liquidated damages and not as a penalty, an amount per day equal to 2%
     per month of the aggregate purchase price of the Warrant Stock; and (ii)
     for each day thereafter that the Registration Statement is not effective,
     the Company shall pay the Holder, as liquidated damages and not as a
     penalty, an amount per day equal to 3% per month of the aggregate purchase
     price of the Warrant Stock, until the Registration Statement is effective.

     SECTION 12. THE COMPANY'S RIGHTS OF REDEMPTION. The Company shall have the
following rights of redemption ("Redemption Rights"), and this Warrant and the
Holder's right to exercise this Warrant are expressly subject thereto:

         (a) At any time and from time to time after the effective date of the
     Registration Statement, provided that the closing bid price of the Common
     Stock quoted by NASDAQ has then been more than US$8.00 for 20 or more
     consecutive trading days, the Company shall have the right, but not the
     obligation, to redeem this Warrant, by giving the Holder

                                    ANNEX II
                                      -5-
<PAGE>   20

     not less than 10 nor more than 20 calendar days' written notice of its
     election to do so (the "Redemption Notice") and calling for such
     redemption. The Redemption Notice shall specify (i) the date on which such
     shares of Warrant Stock, percentage of this Warrant and Warrant Stock to be
     redeemed (the "Redemption Date"), (ii) the place of redemption, which place
     shall be the office of the Escrow Holder set forth in Section 1 of this
     Warrant, (iii) the price at which this Warrant is being redeemed (the
     "Redemption Price"), which Redemption Price shall be (x) the closing bid
     price of the Common Stock quoted by NASDAQ on the date of the Redemption
     Notice, minus the Exercise Price, (y) times the number of shares of Warrant
     Stock for which this Warrant has not been exercised as of such date, and
     (iv) an explanation in reasonable detail of how the Company calculated the
     Redemption Price.

         (b) On or before the Redemption Date the Holder shall deliver this
     Warrant to the Escrow Holder, against payment of the Redemption Price. A
     least one business day before the Redemption Date the Company shall pay the
     Redemption Price to the Escrow Holder, in currency of the United States of
     America and in immediately available funds. On the Redemption Date the
     Escrow Holder will pay the Redemption Price to the Holder, to the extent
     that the Company has delivered the Redemption Price to the Escrow Holder.
     If the Holder does not tender this Warrant to the Escrow Holder, on the
     next business day following the Redemption Date, shall deposit the
     Redemption Price for the account of the Purchaser in a commercial bank
     whose deposits are insured by an instrumentality of the United States
     government, and the number of shares of Preferred Stock, the percentage of
     this Warrant and the number of shares of Warrant Stock called for
     redemption, all shall be deemed to have been redeemed as of the Redemption
     Date, and the shares of Preferred Stock called for redemption shall not be
     entitled to dividends from and after the Redemption Date.

     Section 13.  MISCELLANEOUS

All notices given under this Agreement and under the other Loan Documents shall
be in writing, addressed to the parties as set forth below, and shall be
effective on the earliest of (i) the date received, or (ii) if given by
facsimile transmittal on the date given if transmitted before 5:00 p.m. the
recipient's time, otherwise it is effective the next day, or (iii) on the second
business day after delivery to a major international air delivery or air courier
service (such as Federal Express or Network Couriers):

<TABLE>
     <S>                                                      <C>
              If to the Holder:                                        If to the Company
     Thomson Kernaghan & Co. Ltd.                             Professional Transportation Group Ltd., Inc.
     365 Bay Street                                           1950 Spectrum Circle, Suite B-100
     Toronto, Ontario M5H 2V2                                 Marietta, Georgia 30067
     Attention: Mark E. Valentine, Chairman                   Attention: Dennis A. Bakal
     Facsimile No. (416) 367-8055                             Chief Executive Officer and President
                                                              Facsimile No. (770) 955-2894
     With a copy (that does not constitute
         notice) to:                                               With a copy (that does not constitute
     John M. Mann                                                      notice) to:
     Attorney at Law                                          Judson B. Wagenseller
     1330 Post Oak Boulevard, Suite 2800                      Attorney at Law
     Houston, Texas 77056-3060                                2107 Bainbridge Row Drive
     Facsimile No. (713) 622-7185                             Louisville, Kentucky 40207
                                                              Facsimile No. (502) 899-5108
</TABLE>

                                    ANNEX II
                                      -6-
<PAGE>   21
         (b) This Warrant is binding on and, except for the limitations on
     transfer and assignment contained in Section 4, shall inure to the benefit
     of the successors in interest of the Company and the Holder, respectively.

         (c) This Warrant shall be governed by, and construed in accordance with
     the laws of the Province of Ontario, Canada; provided, however, if any
     provision of this Agreement is unenforceable under Ontario law, but is
     enforceable under the laws of the U.S. State of Georgia, then Georgia law
     shall govern the construction and enforcement of that provision.

         (d) Any controversy or claim arising out of or relating to this Warrant
     (whether in contract or tort, or both, or at law or in equity) shall be
     determined by binding arbitration at Toronto, Canada, in accordance with
     the commercial arbitration rules of the International Chamber of Commerce.
     The prevailing party in any arbitration proceeding shall be awarded
     reasonable attorneys fees and costs of the proceeding. The arbitration
     award shall be final, and may be entered in any court having jurisdiction.
     Nothing in this paragraph shall preclude either party from applying to a
     court for temporary equitable relief, when appropriate, pending and subject
     to such temporary orders and permanent award as the arbitrator or
     arbitrators may make. The parties hereby consent to the exclusive
     jurisdiction of the courts of the Province of Ontario for that purpose.

Professional Transportation Group Ltd., Inc.

By
   ----------------------------------
Name
     --------------------------------
Title
      -------------------------------
Date signed
            -------------------------

                                    ANNEX II
                                      -7-
<PAGE>   22

                                  PURCHASE FORM

Date:
      --------------------

TO: PROFESSIONAL TRANSPORTATION GROUP LTD., INC.
    C/O THOMSON KERNAGHAN & CO. LTD,

     The undersigned hereby irrevocably elects to exercise the within Warrant to
the extent of purchasing _________________________ shares of Common Stock, and
hereby makes payment of US$____________________ in payment of the Exercise Price
thereof.

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

                     INSTRUCTIONS FOR REGISTRATION OF STOCK

              Name:
                    -------------------------------------------------------
              Address:
                      -----------------------------------------------------
              City, State, Zip Code:
                                    ---------------------------------------

Signature:
          -----------------------------------------------------

                                    ANNEX II
                                      -8-
<PAGE>   23

                                ESCROW AGREEMENT

1.  Parties

         1.1. This Escrow Agreement (this "Agreement") is made and entered into
effective as of December 31, 1999 (the "Effective Date"), by and between
Professional Transportation Group Ltd., Inc. (the "Company") and Thomson
Kernaghan & Co. Limited (the "Escrow Holder").

2.  Recitals.

         2.1. This Agreement is made with reference to the following facts and
circumstances:

              (a) The Company is issuing and selling to Thomson Kernaghan & Co.
     Limited , as Agent, up to an aggregate of US$2,500,000 of the Company's 10%
     Convertible Debentures due January 31, 2003 (the "Debentures"), pursuant to
     a letter agreement (the "Debenture Purchase Agreement") effective as of the
     Effective Date. The Debentures are convertible into shares of the Company's
     common stock ("Common Stock"). Under the terms of the Debenture Purchase
     Agreement, the Company has agreed to issue and deliver to the Agent (i) a
     warrant to purchase 214,285 shares of the Company's Common Stock (the
     "Purchaser's Warrant"), and (ii) a warrant to purchase 142,857 shares of
     the Company's Common Stock (the "Agent's Warrant"). The Purchaser's Warrant
     and the Agent's Warrant as referred to each as a "Warrant" and collectively
     as the "Warrants." The Common Stock into which the Debentures are
     convertible is referred to as the Debenture Stock. The Common Stock to
     which the Warrants are subject is referred to as the "Warrant Stock."

              (b) The conversion price of the Debenture Stock is the higher of
     (i) US$0.75 or (ii) the lower of 80% of the average closing bid price of
     the Common Stock quoted on the Nasdaq Small Cap Market for the three
     trading days preceding (x) the Initial Closing Date, or (y) the conversion
     date; i.e., in no event shall the Conversion Price be less than US$0.75 per
     share of Common Stock.

              (c) The exercise price for the Warrant Stock is US$1.75 per share.

              (d) The Debentures mature, unless sooner converted or redeemed, on
     January 31, 2003.

              (e) The Warrants, unless sooner exercised or redeemed, expire on
     January 31, 2003.

              (f) Under the terms of the Debentures, the Company has agreed to
     file a registration statement ( the "Registration Statement") under the
     United States Securities Act of 1933 as amended (the "Securities Act"), for
     the purpose of registering the issuance and resale of the Debenture Stock
     and the Warrant Stock.

              (g) Under the terms of the Engagement Letter, the Company has
     agreed to execute this Agreement with the Escrow Holder, to issue
     certificates for the Debenture

<PAGE>   24

     Stock (the "Debenture Stock Certificates") and the Warrant Stock (the
     "Warrant Stock Certificates"), registered in the name of the Escrow Holder,
     and to deliver those certificates to the Escrow Holder pursuant to the
     terms of this Agreement.

              (h) In accordance with the terms of the Engagement Letter, the
     Company is issuing US$600,000 of Debentures upon the execution of this
     Agreement (the "Initial Purchase").

         2.1. In consideration of the premises, and in order to establish the
escrow for the Debenture Stock and the Warrant Stock required by the Engagement
Letter, the Company is entering into this Agreement with the Escrow Holder.

3.  Escrow

         3.1. Contemporaneously with the execution of this Agreement, the
Company shall deliver the Debenture representing 600,000 shares of Common Stock
to the Escrow Holder, to be held, transferred, delivered and released in
accordance with the terms of this Agreement. The Company shall also deposit with
the Escrow Holder, copies of the Engagement Letter, the Debentures, the
Purchaser's Warrant and the Agent's Warrant.

         3.2. All certificates for shares of Debenture Stock and Warrant Stock,
shall be registered in the name of Thomson Kernaghan & Co. Ltd. The certificates
shall bear a legend indicating that the shares evidenced thereby have been
issued in a transaction that is exempt from the registration requirements of the
Securities Act, and may not be transferred except pursuant to registration under
the Securities Act or an exemption from such registration. Except for such
legend, the Debenture Stock and the Warrant Stock, and the certificate
representing the same, shall be free and clear of any legends, liens, claims,
stop orders or other restrictions.

         3.3. Not later than the third business day following the effective date
of the Registration Statement, the Company shall cause all Debenture Stock and
the Warrant Stock, and the certificates representing the same, to be registered
in the street name of Thomson Kernaghan & Co. Ltd., in Depository Trust Company
form, free and clear of any legends, liens, claims, stop orders or other
restrictions.

         3.4. Subject to the rules and regulations of the Nasdaq Stock Market,
upon the issuance of each additional Debenture, and as a condition precedent to
the Agent's obligation to pay the purchase price therefor, the Company shall
deposit with the Escrow Agent, the number of shares of Debenture Stock into
which such Debenture is convertible, assuming a conversion price per share of
US$0.75. Such shares shall be registered in the street name of Thomson Kernaghan
& Co. Ltd., in Depository Trust Company form, free and clear of any legends,
liens, claims, stop orders or other restrictions.

4. Release of Debenture Stock and Warrant Stock

         4.1. Upon receipt of a Conversion Notice, the Escrow Holder shall
promptly (and in any event within three business days) release the number of
shares of Debenture Stock specified in

                                   ANNEX III
                                      -2-
<PAGE>   25

the Conversion Notice to the person specified therein. If all of the unpaid
principal of and interest on the Debenture is being converted; then the Escrow
Holder shall endorse the Debenture as paid in full, and transmit the Debenture,
so endorsed, and the Conversion Notice, to the Company. If the conversion is for
less than all of the unpaid principal of and interest on the Debenture, the
Escrow Holder shall endorse upon the Debenture the amount of principal thereof
and interest thereon that is being converted, and transmit a copy of the
Debenture, so endorsed, and the Conversion Notice, to the Company

         4.2. Upon receipt of a Warrant, together with an executed Purchase Form
and the Exercise Price for the number of shares of Warrant Stock specified
therein, the Escrow Holder shall promptly (and in any event within three
business days (i) release the number of shares of Warrant Stock specified in the
Purchase Form to the person specified therein; (ii) transmit a copy of the
Warrant and Purchase Form to the Company; and (ii) disburse the Exercise Price
for such Warrant Stock to the Company, either by check or wire transfer as the
Company shall specify by written instructions to the Escrow Holder. Promptly
upon the written request of the Escrow Holder, the Company shall issue
replacement Warrants and deliver them to the Escrow Holder, upon any partial
exercise of a Warrant ,or upon the transfer of a Warrant or any interest
therein.

5.  Redemption

         5.1. If the Company shall elect to redeem any Debentures or Warrants,
then not later than the business day immediately preceding the Redemption Date
specified in the Redemption Notice the Company shall deliver to the Escrow
Holder duly executed copies of all Redemption Notices and the Redemption Price
in currency of the United States of America and in immediately available funds;
otherwise, the Redemption Notice and the Company's election to redeem the
Debentures or the Warrants shall be null, void and of no force or effect.

         5.2. Upon receipt of the Redemption Notice and Redemption Price on or
before the business day immediately preceding the Redemption Date, the Escrow
Holder shall, promptly after the Redemption Date, return the Debenture Stock or
Warrant Stock for the redeemed securities then remaining to the Company, and
upon receipt of the redeemed securities, pay the Redemption Price to the holders
thereof, marked the redeemed securities "redeemed on [the Redemption Date] and
canceled," and return the redeemed securities, so marked, to the Company.

6.  Termination and Resignation

         6.1. This Agreement, unless sooner terminated, shall terminate on the
date on which all of the Debentures have been redeemed or converted, and all of
the Warrants have been exercised or expired.

         6.2. The Escrow Holder may resign as such at any time, without
liability therefor, by giving the Company and the Agent not less than 10 days
prior written notice of its election to do so. In the event of the Escrow
Holder's resignation, the Company shall promptly appoint a successor Escrow
Holder acceptable to the Agent.

                                   ANNEX III
                                      -3-
<PAGE>   26

7. Limitation on the Escrow Agent's Liability; Indemnification.

         7.1. The Escrow Agent shall not be liable to the Company, to any
Debenture holder, to any Warrant holder, or to any other person or entity for
any action taken or omitted by it, except for the Escrow Holder's own gross
negligence or willful misconduct. Without limiting the generality of the
foregoing:

              (a) The Escrow Agent may rely upon, and shall be protected in
     acting or refraining from acting in reliance upon, any notice, certificate,
     instrument, request, paper or other document believed by it to be genuine
     and made, sent, signed or presented by the Company, any Debenture holder,
     any Warrant holder, or any other person or entity.

              (b) The Escrow Holder shall not be responsible or liable for the
     genuineness, validity or sufficiency of any Debenture, Warrant, stock
     certificate, notice or other instrument delivered to it, including without
     limitation the genuineness of any signature thereon, or of the identity or
     authority of any person executing or delivering the same.

         8.2. The Escrow Holder shall not be obligated to take any action to
defend or enforce this Agreement, or to appear in, prosecute or defend any
action or legal proceeding, or to file any income or other tax return that, in
the Escrow Holder's opinion, would or might involve any cost, expense, loss or
liability, unless, and as often as required by it, the Company shall furnish it
with security and indemnity satisfactory to it against all such cost, expense,
loss and liability.

         8.3. The Escrow Holder shall not be responsible for the validity or
enforceability of any provision of this Agreement, or for the execution thereof
by the Company, or for the truth or accuracy of any recitals or other statements
of fact contained in this Agreement.

         8.4. The Escrow Holder is not, and shall not be deemed for any purpose
to be, a fiduciary under this Agreement or otherwise, for the Company, for any
Warrant holder, or for any other person or entity.

         8.5. Except for matters for which the Escrow Holder is liable to the
Company under paragraph 7.1 of this Agreement, the Company hereby agrees to
defend and indemnify the Escrow Holder and its shareholders, directors,
officers, employees and agents, and to hold each of them harmless from and
against any and all judgments, awards, orders, damages, claims, demands,
liability, penalties, costs, and expenses (including attorney fees and court or
arbitration costs) of any nature whatsoever, directly or indirectly arising out
of or relating to this Agreement, or any act or omission of the Escrow Holder
hereunder. This indemnity shall survive termination of this Agreement.

9.  Miscellaneous Provisions.

         9.1. No amendment, modification, termination, or waiver of any
provision of this Agreement, nor consent to any departure by the Company from
any of its provisions, shall in any event be effective unless the same shall be
in writing and signed by the Escrow Holder, and then

                                   ANNEX III
                                      -4-
<PAGE>   27

such waiver or consent shall be effective only in the specific instance and for
the specific purpose for which given.

         9.2. All notices given under this Agreement shall be in writing,
addressed to the parties as set forth below, and shall be effective on the
earliest of (i) the date received, or (ii) if given by facsimile transmittal on
the date given if transmitted before 5:00 p.m. the recipient's time, otherwise
it is effective the next day, or (iii) on the second business day after delivery
to a major international air delivery or air courier service (such as Federal
Express or Network Couriers):

<TABLE>
     <S>                                                      <C>
              If to the Escrow Holder:                                 If to the Company
     Thomson Kernaghan & Co. Ltd.                             Professional Transportation Group Ltd., Inc.
     365 Bay Street                                           1950 Spectrum Circle, Suite B-100
     Toronto, Ontario M5H 2V2                                 Marietta, Georgia 30067
     Attention: Mark E. Valentine, Director                   Attention: Dennis A. Bakal
     Facsimile No. (416)  860-6140                            Chief Executive Officer and President
                                                              Facsimile No. (770) 955-2894

     With a copy (that does not constitute                         With a copy (that does not constitute
         notice) to:                                                   Notice) to:
     John M. Mann                                                  Judson B. Wagenseller
     Attorney at Law                                               Attorney at Law
     2200 Post Oak Boulevard, Suite 614                            2107 Bainbridge Row Drive
     Houston, Texas 77056-4706                                     Louisville, Kentucky 40207
     Facsimile No. (713) 622-7185                                  Facsimile No. (502) 899-5108
</TABLE>

         9.3. No failure or delay on the part of the Escrow Holder in exercising
any right, power, or remedy hereunder shall operate as a waiver thereof; nor
shall any single or partial exercise of any such right, power, or remedy
preclude any other or further exercise thereof or the exercise of any other
right, power, or remedy hereunder. The rights and remedies provided herein are
cumulative, and are not exclusive of any other rights, powers, privileges, or
remedies, now or hereafter existing, at law or in equity or otherwise.

         9.4. This Agreement shall be binding upon and inure to the benefit of
the Company and the Escrow Holder, and their respective successors and assigns,
except that the Company may not assign or transfer any of its r rights under
this Agreement without the prior written consent of the Escrow Holder.

         9.5 The Company agrees to pay on demand all reasonable costs and
expenses incurred by the Escrow Holder in connection with the preparation,
execution, delivery, filing, and administration of this Agreement, and of any
amendment, modification, or supplement hereto, including, without limitation,
the reasonable fees and out-of-pocket expenses of counsel for the Escrow Holder
incurred in connection with advising the Escrow Holder as to its rights and
responsibilities hereunder. The Company also agrees to pay all such costs and
expenses, including court costs, incurred in connection with enforcement of this
Agreement, or any amendment, modification, or supplement thereto, whether by
negotiation, legal proceedings, or otherwise. In addition, the Company shall pay
any and all stamp and other taxes and fees payable

                                   ANNEX III
                                      -5-
<PAGE>   28

or determined to be payable in connection with the issuance, transfer and
deliver of any Warrant or Warrant Stock, and agrees to hold the Escrow Holder
harmless from and against any and all liabilities with respect to or resulting
from any delay in paying or omission to pay such taxes and fees. This provision
shall survive termination of this Agreement.

         9.6. This Agreement shall be governed by, and construed in accordance
with, the laws of the Province of Ontario, Canada; provided, however, if any
provision of this Agreement is unenforceable under Ontario law, but is
enforceable under the laws of the U.S. State of Georgia, the Georgia law shall
govern the construction and enforcement of that provision.

         9.7. Any controversy or claim arising out of or relating to this
Agreement (whether in contract or tort, or both, or at law or in equity) shall
be determined by binding arbitration at Toronto, Canada, in accordance with the
commercial arbitration rules of the International Chamber of Commerce. The
prevailing party in any arbitration proceeding shall be awarded reasonable
attorneys fees and costs of the proceeding. The arbitration award shall be
final, and January be entered in any court having jurisdiction. Nothing in this
paragraph shall preclude either party from applying to a court for temporary
equitable relief, when appropriate, pending and subject to such temporary orders
and permanent award as the arbitrator or arbitrators January make. The parties
hereby consent to the exclusive jurisdiction of the courts of the Province of
Ontario for that purpose.

      IN WITNESS WHEREOF, the Company and the Escrow Holder have executed this
Agreement as of the Effective Date.

The Escrow Holder:                      The Company:

Thomson Kernaghan & Co. Limited         Professional Transportation Group Ltd.,
                                        Inc.

By                                      By
   -----------------------------           -----------------------------------
Name                                    Name
     ---------------------------             ---------------------------------
Title                                   Title
      --------------------------             ---------------------------------
Date signed                             Date signed

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

                                   ANNEX III
                                      -6-
<PAGE>   29

                        OPINION OF THE COMPANY'S COUNSEL

January  ____, 2000

Thomson Kernaghan & Co. Ltd.
365 Bay Street
Toronto, Ontario M5H 2V2

Ladies and gentlemen:

We refer to the letter agreement (the "Agreement") dated January 20, 2000,
between Professional Transportation Group Ltd., Inc. (the "Company"), a Georgia
corporation, and Thomson Kernaghan & Co. Limited as Agent (the "Agent").
Capitalized terms used that are defined in the Agreement are used in this
opinion with the meanings ascribed to them in the Agreement, unless otherwise
defined herein.

We have acted as counsel to the Company in connection with the authorization,
execution, and delivery of the Agreement, the Escrow Agreement, the Debentures,
the Purchaser's Warrant, the Agent's Warrant (collectively, the "Transaction
Documents"), the Common Stock underlying the Debentures, the Purchasers' Warrant
and the Agent's Warrant, and in connection with the authorization of the
transactions contemplated thereby.

In rendering this opinion letter, as stated above, we have relied, as to factual
matters that affect our opinion, solely on our examination of the Transaction
Documents. Without limiting the generality of the foregoing, we have made no
independent verification of the representations and warranties of the Company or
third parties contained in the Transaction Documents or information contained in
any certificates of public officials. In rendering this opinion letter, we have
assumed without independent investigation, and our opinion is so qualified, that
with respect to any performance by the Company or compliance with permits or
other governmental codes, or the like, that the Company has or will comply with
such permits, codes, or other requirements imposed.

In addition, we have examined, among other things, originals or copies of such
corporate records of the Company, certificates of public officials and such
other documents and questions of law that we consider necessary or advisable for
the purpose of rendering this opinion. In such examination we have assumed the
genuineness of all signatures on original documents, the authenticity and
completeness of all documents submitted to us as originals, the conformity to
original documents of all copies submitted to us as copies thereof, the legal
capacity of natural persons, and the due execution and delivery of all documents
(except as to due execution and delivery by the Company) where due execution and
delivery are a prerequisite to the effectiveness thereof.

<PAGE>   30

As used in this opinion, the expression "to our knowledge" refers to the current
actual knowledge of the attorneys of this firm who have worked on matters for
the Company solely in connection with the Transaction Documents and the
transactions contemplated thereby.

We are admitted to practice in the State of Georgia. We express no opinion as to
the laws of any jurisdiction other than the laws of the State of Georgia and the
federal laws of the United States of America. Without limiting the generality of
the foregoing sentence, we express no opinion as to the laws of the Province of
Ontario, Canada. This letter is limited by, and is in accordance with, the
January 1, 1992 edition of the Interpretive Standards Applicable to Legal
Opinions to Third Parties in Corporate Transactions adopted by the Legal Opinion
Committee of the Corporate and Banking Law Section of the State Bar of Georgia
(the "Interpretive Standards"), which Interpretative Standards are incorporated
in this opinion letter by this reference. In the event of a conflict in the
definitions of such capitalized terms appearing in both the Interpretive
Standards and the Transaction Documents, the definitions appearing in the
Transaction Documents shall be applicable to this opinion letter.

For purposes of this opinion, we have assumed that Agent has all requisite power
and authority, and has taken any and all necessary corporate action, to execute
and deliver the Transaction Documents, and we are assuming that the
representations and warranties made by Agent in the Transaction Documents and
pursuant thereto are true and correct.

Based on the foregoing, and having due regard for legal considerations that we
deem relevant, we are of the opinion that:

1.    The Company is a corporation duly organized, validly existing, and in good
      standing under the laws of the State of Georgia, has the corporate power
      to own its assets and to transact the business in which it is presently
      engaged, and is duly qualified as a foreign corporation and in good
      standing under the laws of each jurisdiction in which the conduct of its
      business or the ownership of its assets requires such qualification,
      except where failure to be so qualified would not have a material adverse
      effect on the Company.

2.    The Company has full power, authority, and legal right to execute,
      deliver, and perform the terms of the Transaction Documents.

3.    The execution, delivery, and performance by the Company of the Transaction
      Documents have been duly authorized by all necessary corporate action of
      the Company.

4.    The Transaction Documents (except for Debentures that have not been
      executed and delivered) constitute, and each Debenture, when executed by
      the Company and delivered to the Agent will constitute, the legal,
      binding, and valid obligations of the Company, enforceable in accordance
      with their terms, except to the extent that enforcement (but not validity)
      may be limited by bankruptcy, insolvency, reorganization, moratorium, or
      similar laws generally affecting the enforcement of the rights of
      creditors.

5.    The execution, delivery, and performance of the Transaction Documents: (i)
      will not violate (a) any law or regulation; or (b) any order, writ, or
      decree of any court or governmental instrumentality of which we have
      knowledge (and we have made inquiry as to the existence

                                    ANNEX IV
                                      -2-
<PAGE>   31

      thereof); or (c) the Articles of Incorporation or Bylaws of the Company;
      or (d) any agreement or instrument to which the Company is a party or
      which purports to be binding upon it or any of its assets, of which we
      have knowledge (and we have made inquiry as to the existence and terms
      thereof), except for any violations that would not have a material adverse
      effect on the Company or the consummation of the transaction.

6.    To our knowledge, no consent of any person or entity (including, but not
      limited to, stockholders of the Company) and no license, approval, or
      authorization of, or registration or declaration with, any governmental
      authority, bureau, or agency, is required in connection with the
      execution, delivery, and performance of the Transaction Documents. Without
      limiting the generality of the foregoing, the Company's issuance of the
      Debentures, the Purchasers' Warrant and the Agent's Warrant are exempt
      from the registration requirements of the U.S. Securities Act of 1933, as
      amended, and the securities laws of the State of Georgia.

7.    After making inquiry, and except as disclosed in the reports and
      statements filed by the Company with the Securities and Exchange
      Commission, we have no knowledge of any actions, suits, investigations,
      arbitrations, or proceedings (whether or not purportedly in behalf of the
      Company) pending or threatened against or affecting the Company, or any of
      its assets, that involve any of the transactions contemplated by the
      Transaction Documents, or which may result on a material adverse change in
      the business, operations, assets, prospects, or condition (financial or
      otherwise) of the Company.

8.    The Transaction Documents, except for the Debentures, have been duly
      executed and delivered by the Company.

9.    The Common Stock underlying the Debentures, the Purchasers' Warrant and
      the Agent's Warrant is duly authorized by the Company's Articles of
      Incorporation, and when issued in accordance with the Transaction
      Documents, will be fully paid and non-assessable.

The opinions expressed in this letter are for the benefit of the Agent who may
purchase Debentures, and may not be relied on by any other person (there being
no third party beneficiaries hereof, intended or otherwise) without our prior
written consent. This opinion letter is limited to the matters expressly set
forth herein and no opinion is implied or may be inferred beyond the matters
expressly set forth herein. This opinion letter is issued and our opinions
herein are expressed as of the date hereof. We disclaim any obligations to
update this opinion.

                                    ANNEX IV
                                      -3-

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