Document:

WARRANT AGREEMENT

         Agreement made as of _________, 2005 between Terra Nova Acquisition
Corporation, a Delaware corporation, with offices at 2 Bloor Street West, Suite
3400, Toronto, Ontario, Canada M4W 3E2 ("Company"), and Continental Stock
Transfer & Trust Company, a New York corporation, with offices at 17 Battery
Place, New York, New York 10004 ("Warrant Agent").

         WHEREAS, the Company is engaged in a public offering ("Public
Offering") of Units ("Units") and, in connection therewith, has determined to
issue and deliver up to (i) 6,900,000 Warrants ("Public Warrants") to the public
investors, and (ii) 450,000 Warrants to EarlyBirdCapital, Inc. ("EBC") or its
designees ("Representative's Warrants" and, together with the Public Warrants,
the "Warrants"), each of such Public Warrants evidencing the right of the holder
thereof to purchase one share of common stock, par value $.0001 per share, of
the Company's Common Stock ("Common Stock") for $5.00, subject to adjustment as
described herein; and

         WHEREAS, the Company has filed with the Securities and Exchange
Commission a Registration Statement, No. 333-________ on Form S-1 ("Registration
Statement") for the registration, under the Securities Act of 1933, as amended
("Act") of, among other securities, the Warrants and the Common Stock issuable
upon exercise of the Warrants; and

         WHEREAS, the Company desires the Warrant Agent to act on behalf of the
Company, and the Warrant Agent is willing to so act, in connection with the
issuance, registration, transfer, exchange, redemption and exercise of the
Warrants; and

         WHEREAS, the Company desires to provide for the form and provisions of
the Warrants, the terms upon which they shall be issued and exercised, and the
respective rights, limitation of rights, and immunities of the Company, the
Warrant Agent, and the holders of the Warrants; and

         WHEREAS, all acts and things have been done and performed which are
necessary to make the Warrants, when executed on behalf of the Company and
countersigned by or on behalf of the Warrant Agent, as provided herein, the
valid, binding and legal obligations of the Company, and to authorize the
execution and delivery of this Agreement.

         NOW, THEREFORE, in consideration of the mutual agreements herein
contained, the parties hereto agree as follows:

1.       Appointment of Warrant Agent. The Company hereby appoints the Warrant
Agent to act as agent for the Company for the Warrants, and the Warrant Agent
hereby accepts such appointment and agrees to perform the same in accordance
with the terms and conditions set forth in this Agreement.

2.       Warrants.

         2.1.     Form of Warrant. Each Warrant shall be issued in registered
form only, shall be in substantially the form of Exhibit A hereto, the
provisions of which are incorporated herein and shall be signed by, or bear the
facsimile signature of, the Chairman of the Board or President and Treasurer,
Secretary or Assistant Secretary of the Company and shall bear a facsimile of
the Company's seal. In the event the person whose facsimile signature has been
placed upon any Warrant shall have ceased to serve in the capacity in which such
person signed the Warrant before such Warrant is issued, it may be issued with
the same effect as if he or she had not ceased to be such at the date of
issuance.

         2.2.     Effect of Countersignature. Unless and until countersigned by
the Warrant Agent pursuant to this Agreement, a Warrant shall be invalid and of
no effect and may not be exercised by the holder thereof.

         2.3.     Registration.

                  2.3.1. Warrant Register. The Warrant Agent shall maintain
books ("Warrant Register"), for the registration of original issuance and the
registration of transfer of the Warrants. Upon the initial issuance of the
Warrants, the Warrant Agent shall issue and register the Warrants in the names
of the respective holders thereof in such denominations and otherwise in
accordance with instructions delivered to the Warrant Agent by the Company.

                  2.3.2. Registered Holder. Prior to due presentment for
registration of transfer of any Warrant, the Company and the Warrant Agent may
deem and treat the person in whose name such Warrant shall be registered upon
the Warrant Register ("registered holder"), as the absolute owner of such
Warrant and of each Warrant represented thereby (notwithstanding any notation of
ownership or other writing on the Warrant Certificate made by anyone other than
the Company or the Warrant Agent), for the purpose of any exercise thereof, and
for all other purposes, and neither the Company nor the Warrant Agent shall be
affected by any notice to the contrary.

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         2.4.     Detachability of Warrants. The securities comprising the Units
will not be separately transferable until 90 days after the date hereof unless
EBC informs the Company of its decision to allow earlier separate trading, but
in no event will EBC allow separate trading of the securities comprising the
Units until the Company files a Current Report on Form 8-K which includes an
audited balance sheet reflecting the receipt by the Company of the gross
proceeds of the Public Offering including the proceeds received by the Company
from the exercise of the Underwriter's over-allotment option, if the
over-allotment option is exercised prior to the filing of the Form 8-K.

         2.5      Warrants and Representative's Warrants. The Representative's
Warrants shall have the same terms and be in the same form as the Public
Warrants except with respect to the Warrant Price as set forth below in Section
3.1.

3.       Terms and Exercise of Warrants

         3.1.     Warrant Price. Each Public Warrant shall, when countersigned
by the Warrant Agent, entitle the registered holder thereof, subject to the
provisions of such Public Warrant and of this Warrant Agreement, to purchase
from the Company the number of shares of Common Stock stated therein, at the
price of $5.00 per whole share, subject to the adjustments provided in Section 4
hereof and in the last sentence of this Section 3.1. Each Representative's
Warrant shall, when countersigned by the Warrant Agent, entitle the registered
holder thereof, subject to the provisions of such Representative's Warrant and
of this Warrant Agreement, to purchase from the Company the number of shares of
Common Stock stated therein, at the price of $6.25 per whole share, subject to
the adjustments provided in Section 4 hereof. The term "Warrant Price" as used
in this Warrant Agreement refers to the price per share at which Common Stock
may be purchased at the time a Warrant is exercised. The Company in its sole
discretion may lower the Warrant Price at any time prior to the Expiration Date.

         3.2.     Duration of Warrants. A Warrant may be exercised only during
the period ("Exercise Period") commencing on the later of (i) the consummation
by the Company of a merger, capital stock exchange, asset acquisition or other
similar business combination ("Business Combination") (as described more fully
in the Company's Registration Statement) and (ii) _______, 2006, and terminating
at 5:00 p.m., New York City time on the earlier to occur of (i) ________, 2009
or (ii) the date fixed for redemption of the Warrants as provided in Section 6
of this Agreement ("Expiration Date"). Except with respect to the right to
receive the Redemption Price (as set forth in Section 6 hereunder), each Warrant
not exercised on or before the Expiration Date shall become void, and all rights
thereunder and all rights in respect thereof under this Agreement shall cease at
the close of business on the Expiration Date. The Company in its sole

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discretion may extend the duration of the Warrants by delaying the Expiration
Date.

         3.3.     Exercise of Warrants.

                  3.3.1. Payment. Subject to the provisions of the Warrant and
this Warrant Agreement, a Warrant, when countersigned by the Warrant Agent, may
be exercised by the registered holder thereof by surrendering it, at the office
of the Warrant Agent, or at the office of its successor as Warrant Agent, in the
Borough of Manhattan, City and State of New York, with the subscription form, as
set forth in the Warrant, duly executed, and by paying in full, in lawful money
of the United States, in cash, good certified check or good bank draft payable
to the order of the Company (or as otherwise agreed to by the Company), the
Warrant Price for each full share of Common Stock as to which the Warrant is
exercised and any and all applicable taxes due in connection with the exercise
of the Warrant, the exchange of the Warrant for the Common Stock, and the
issuance of the Common Stock.

                  3.3.2. Issuance of Certificates. As soon as practicable after
the exercise of any Warrant and the clearance of the funds in payment of the
Warrant Price, the Company shall issue to the registered holder of such Warrant
a certificate or certificates for the number of full shares of Common Stock to
which he is entitled, registered in such name or names as may be directed by
him, her or it, and if such Warrant shall not have been exercised in full, a new
countersigned Warrant for the number of shares as to which such Warrant shall
not have been exercised. Notwithstanding the foregoing, the Company shall not be
obligated to deliver any securities pursuant to the exercise of a Warrant unless
a registration statement under the Act with respect to the Common Stock is
effective. Warrants may not be exercised by, or securities issued to, any
registered holder in any state in which such exercise would be unlawful.

                  3.3.3. Valid Issuance. All shares of Common Stock issued upon
the proper exercise of a Warrant in conformity with this Agreement shall be
validly issued, fully paid and nonassessable.

                  3.3.4. Date of Issuance. Each person in whose name any such
certificate for shares of Common Stock is issued shall for all purposes be
deemed to have become the holder of record of such shares on the date on which
the Warrant was surrendered and payment of the Warrant Price was made,
irrespective of the date of delivery of such certificate, except that, if the
date of such surrender and payment is a date when the stock transfer books of
the Company are closed, such person shall be deemed to have become the holder of
such shares at the close of business on the next succeeding date on which the
stock transfer books are open.

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                  3.3.5.   Intentionally Omitted.

4.       Adjustments.

         4.1.     Stock Dividends - Split-Ups. If after the date hereof, and
subject to the provisions of Section 4.6 below, the number of outstanding shares
of Common Stock is increased by a stock dividend payable in shares of Common
Stock, or by a split-up of shares of Common Stock, or other similar event, then,
on the effective date of such stock dividend, split-up or similar event, the
number of shares of Common Stock issuable on exercise of each Warrant shall be
increased in proportion to such increase in outstanding shares of Common Stock.

         4.2.     Aggregation of Shares. If after the date hereof, and subject
to the provisions of Section 4.6, the number of outstanding shares of Common
Stock is decreased by a consolidation, combination, reverse stock split or
reclassification of shares of Common Stock or other similar event, then, on the
effective date of such consolidation, combination, reverse stock split,
reclassification or similar event, the number of shares of Common Stock issuable
on exercise of each Warrant shall be decreased in proportion to such decrease in
outstanding shares of Common Stock.

         4.3      Adjustments in Exercise Price. Whenever the number of shares
of Common Stock purchasable upon the exercise of the Warrants is adjusted, as
provided in Section 4.1 and 4.2 above, the Warrant Price shall be adjusted (to
the nearest cent) by multiplying such Warrant Price immediately prior to such
adjustment by a fraction (x) the numerator of which shall be the number of
shares of Common Stock purchasable upon the exercise of the Warrants immediately
prior to such adjustment, and (y) the denominator of which shall be the number
of shares of Common Stock so purchasable immediately thereafter.

         4.4.     Replacement of Securities upon Reorganization, etc. In case of
any reclassification or reorganization of the outstanding shares of Common Stock
(other than a change covered by Section 4.1 or 4.2 hereof or that solely affects
the par value of such shares of Common Stock), or in the case of any merger or
consolidation of the Company with or into another corporation (other than a
consolidation or merger in which the Company is the continuing corporation and
that does not result in any reclassification or reorganization of the
outstanding shares of Common Stock), or in the case of any sale or conveyance to
another corporation or entity of the assets or other property of the Company as
an entirety or substantially as an entirety in connection with which the Company
is dissolved, the Warrant holders shall thereafter have the right to purchase
and receive, upon the basis and upon the terms and

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conditions specified in the Warrants and in lieu of the shares of Common Stock
of the Company immediately theretofore purchasable and receivable upon the
exercise of the rights represented thereby, the kind and amount of shares of
stock or other securities or property (including cash) receivable upon such
reclassification, reorganization, merger or consolidation, or upon a dissolution
following any such sale or transfer, that the Warrant holder would have received
if such Warrant holder had exercised his, her or its Warrant(s) immediately
prior to such event; and if any reclassification also results in a change in
shares of Common Stock covered by Section 4.1 or 4.2, then such adjustment shall
be made pursuant to Sections 4.1, 4.2, 4.3 and this Section 4.4. The provisions
of this Section 4.4 shall similarly apply to successive reclassifications,
reorganizations, mergers or consolidations, sales or other transfers.

         4.5.     Notices of Changes in Warrant. Upon every adjustment of the
Warrant Price or the number of shares issuable upon exercise of a Warrant, the
Company shall give written notice thereof to the Warrant Agent, which notice
shall state the Warrant Price resulting from such adjustment and the increase or
decrease, if any, in the number of shares purchasable at such price upon the
exercise of a Warrant, setting forth in reasonable detail the method of
calculation and the facts upon which such calculation is based. Upon the
occurrence of any event specified in Sections 4.1, 4.2, 4.3 or 4.4, then, in any
such event, the Company shall give written notice to the Warrant holder, at the
last address set forth for such holder in the warrant register, of the record
date or the effective date of the event. Failure to give such notice, or any
defect therein, shall not affect the legality or validity of such event.

         4.6.     No Fractional Shares. Notwithstanding any provision contained
in this Warrant Agreement to the contrary, the Company shall not issue
fractional shares upon exercise of Warrants. If, by reason of any adjustment
made pursuant to this Section 4, the holder of any Warrant would be entitled,
upon the exercise of such Warrant, to receive a fractional interest in a share,
the Company shall, upon such exercise, round up to the nearest whole number the
number of the shares of Common Stock to be issued to the Warrant holder.

         4.7.     Form of Warrant. The form of Warrant need not be changed
because of any adjustment pursuant to this Section 4, and Warrants issued after
such adjustment may state the same Warrant Price and the same number of shares
as is stated in the Warrants initially issued pursuant to this Agreement.
However, the Company may at any time in its sole discretion make any change in
the form of Warrant that the Company may deem appropriate and that does not
affect the substance thereof, and any Warrant thereafter issued or
countersigned, whether in exchange or substitution for an outstanding Warrant or
otherwise, may be in the form as so changed.

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5.       Transfer and Exchange of Warrants.

         5.1.     Registration of Transfer. The Warrant Agent shall register the
transfer, from time to time, of any outstanding Warrant upon the Warrant
Register, upon surrender of such Warrant for transfer, properly endorsed with
signatures properly guaranteed and accompanied by appropriate instructions for
transfer. Upon any such transfer, a new Warrant representing an equal aggregate
number of Warrants shall be issued and the old Warrant shall be cancelled by the
Warrant Agent. The Warrants so cancelled shall be delivered by the Warrant Agent
to the Company from time to time upon request.

         5.2.     Procedure for Surrender of Warrants. Warrants may be
surrendered to the Warrant Agent, together with a written request for exchange
or transfer, and thereupon the Warrant Agent shall issue in exchange therefor
one or more new Warrants as requested by the registered holder of the Warrants
so surrendered, representing an equal aggregate number of Warrants; provided,
however, that in the event that a Warrant surrendered for transfer bears a
restrictive legend, the Warrant Agent shall not cancel such Warrant and issue
new Warrants in exchange therefor until the Warrant Agent has received an
opinion of counsel for the Company stating that such transfer may be made and
indicating whether the new Warrants must also bear a restrictive legend.

         5.3.     Fractional Warrants. The Warrant Agent shall not be required
to effect any registration of transfer or exchange which will result in the
issuance of a warrant certificate for a fraction of a warrant.

         5.4.     Service Charges. No service charge shall be made for any
exchange or registration of transfer of Warrants.

         5.5.     Warrant Execution and Countersignature. The Warrant Agent is
hereby authorized to countersign and to deliver, in accordance with the terms of
this Agreement, the Warrants required to be issued pursuant to the provisions of
this Section 5, and the Company, whenever required by the Warrant Agent, will
supply the Warrant Agent with Warrants duly executed on behalf of the Company
for such purpose.

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6.       Redemption.

         6.1.     Redemption. Subject to Section 6.4 hereof, not less than all
of the outstanding Warrants may be redeemed, at the option of the Company, at
any time after they become exercisable and prior to their expiration, at the
office of the Warrant Agent, upon the notice referred to in Section 6.2., at the
price of $.01 per Warrant ("Redemption Price"), provided that the last sales
price of the Common Stock has been at least $8.50 per share, on each of twenty
(20) trading days within any thirty (30) trading day period ending on the third
business day prior to the date on which notice of redemption is given. The
provisions of this Section 6.1 may not be modified, amended or deleted without
the prior written consent of EBC.

         6.2.     Date Fixed for, and Notice of, Redemption. In the event the
Company shall elect to redeem all of the Warrants, the Company shall fix a date
for the redemption. Notice of redemption shall be mailed by first class mail,
postage prepaid, by the Company not less than 30 days prior to the date fixed
for redemption to the registered holders of the Warrants to be redeemed at their
last addresses as they shall appear on the registration books. Any notice mailed
in the manner herein provided shall be conclusively presumed to have been duly
given whether or not the registered holder received such notice.

         6.3.     Exercise After Notice of Redemption. The Warrants may be
exercised in accordance with Section 3 of this Agreement at any time after
notice of redemption shall have been given by the Company pursuant to Section
6.2. hereof and prior to the time and date fixed for redemption. On and after
the redemption date, the record holder of the Warrants shall have no further
rights except to receive, upon surrender of the Warrants, the Redemption Price.

         6.4      Outstanding Warrants Only. The Company understands that the
redemption rights provided for by this Section 6 apply only to outstanding
Warrants. To the extent a person holds rights to purchase Warrants, such
purchase rights shall not be extinguished by redemption. However, once such
purchase rights are exercised, the Company may redeem the Warrants issued upon
such exercise provided that the criteria for redemption is met. The provisions
of this Section 6.4 may not be modified, amended or deleted without the prior
written consent of EBC.

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7.       Other Provisions Relating to Rights of Holders of Warrants.

         7.1.     No Rights as Stockholder. A Warrant does not entitle the
registered holder thereof to any of the rights of a stockholder of the Company,
including, without limitation, the right to receive dividends, or other
distributions, exercise any preemptive rights to vote or to consent or to
receive notice as stockholders in respect of the meetings of stockholders or the
election of directors of the Company or any other matter.

         7.2.     Lost, Stolen, Mutilated, or Destroyed Warrants. If any Warrant
is lost, stolen, mutilated, or destroyed, the Company and the Warrant Agent may
on such terms as to indemnity or otherwise as they may in their discretion
impose (which shall, in the case of a mutilated Warrant, include the surrender
thereof), issue a new Warrant of like denomination, tenor, and date as the
Warrant so lost, stolen, mutilated, or destroyed. Any such new Warrant shall
constitute a substitute contractual obligation of the Company, whether or not
the allegedly lost, stolen, mutilated, or destroyed Warrant shall be at any time
enforceable by anyone.

         7.3.     Reservation of Common Stock. The Company shall at all times
reserve and keep available a number of its authorized but unissued shares of
Common Stock that will be sufficient to permit the exercise in full of all
outstanding Warrants issued pursuant to this Agreement.

         7.4. Registration of Common Stock. The Company agrees that prior to the
commencement of the Exercise Period, it shall file with the Securities and
Exchange Commission a post-effective amendment to the Registration Statement, or
a new registration statement, for the registration, under the Act, of, and it
shall take such action as is necessary to qualify for sale, in those states in
which the Warrants were initially offered by the Company, the Common Stock
issuable upon exercise of the Warrants. In either case, the Company will use its
best efforts to cause the same to become effective and to maintain the
effectiveness of such registration statement until the expiration of the
Warrants in accordance with the provisions of this Agreement. The provisions of
this Section 7.4 may not be modified, amended or deleted without the prior
written consent of EBC.

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8.       Concerning the Warrant Agent and Other Matters.

         8.1.     Payment of Taxes. The Company will from time to time promptly
pay all taxes and charges that may be imposed upon the Company or the Warrant
Agent in respect of the issuance or delivery of shares of Common Stock upon the
exercise of Warrants, but the Company shall not be obligated to pay any transfer
taxes in respect of the Warrants or such shares.

         8.2.     Resignation, Consolidation, or Merger of Warrant Agent.

                  8.2.1. Appointment of Successor Warrant Agent. The Warrant
Agent, or any successor to it hereafter appointed, may resign its duties and be
discharged from all further duties and liabilities hereunder after giving sixty
(60) days' notice in writing to the Company. If the office of the Warrant Agent
becomes vacant by resignation or incapacity to act or otherwise, the Company
shall appoint in writing a successor Warrant Agent in place of the Warrant
Agent. If the Company shall fail to make such appointment within a period of 30
days after it has been notified in writing of such resignation or incapacity by
the Warrant Agent or by the holder of the Warrant (who shall, with such notice,
submit his Warrant for inspection by the Company), then the holder of any
Warrant may apply to the Supreme Court of the State of New York for the County
of New York for the appointment of a successor Warrant Agent at the Company's
cost. Any successor Warrant Agent, whether appointed by the Company or by such
court, shall be a corporation organized and existing under the laws of the State
of New York, in good standing and having its principal office in the Borough of
Manhattan, City and State of New York, and authorized under such laws to
exercise corporate trust powers and subject to supervision or examination by
federal or state authority. After appointment, any successor Warrant Agent shall
be vested with all the authority, powers, rights, immunities, duties, and
obligations of its predecessor Warrant Agent with like effect as if originally
named as Warrant Agent hereunder, without any further act or deed; but if for
any reason it becomes necessary or appropriate, the predecessor Warrant Agent
shall execute and deliver, at the expense of the Company, an instrument
transferring to such successor Warrant Agent all the authority, powers, and
rights of such predecessor Warrant Agent hereunder; and upon request of any
successor Warrant Agent the Company shall make, execute, acknowledge, and
deliver any and all instruments in writing for more fully and effectually
vesting in and confirming to such successor Warrant Agent all such authority,
powers, rights, immunities, duties, and obligations.

                  8.2.2. Notice of Successor Warrant Agent. In the event a
successor Warrant Agent shall be appointed, the Company shall give notice
thereof to the predecessor Warrant Agent and the transfer agent for the Common
Stock not later than the effective date of any such appointment.

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                  8.2.3. Merger or Consolidation of Warrant Agent. Any
corporation into which the Warrant Agent may be merged or with which it may be
consolidated or any corporation resulting from any merger or consolidation to
which the Warrant Agent shall be a party shall be the successor Warrant Agent
under this Agreement without any further act.

         8.3.     Fees and Expenses of Warrant Agent.

                  8.3.1. Remuneration. The Company agrees to pay the Warrant
Agent reasonable remuneration for its services as such Warrant Agent hereunder
and will reimburse the Warrant Agent upon demand for all expenditures that the
Warrant Agent may reasonably incur in the execution of its duties hereunder.

                  8.3.2. Further Assurances. The Company agrees to perform,
execute, acknowledge, and deliver or cause to be performed, executed,
acknowledged, and delivered all such further and other acts, instruments, and
assurances as may reasonably be required by the Warrant Agent for the carrying
out or performing of the provisions of this Agreement.

         8.4.     Liability of Warrant Agent.

                  8.4.1. Reliance on Company Statement. Whenever in the
performance of its duties under this Warrant Agreement, the Warrant Agent shall
deem it necessary or desirable that any fact or matter be proved or established
by the Company prior to taking or suffering any action hereunder, such fact or
matter (unless other evidence in respect thereof be herein specifically
prescribed) may be deemed to be conclusively proved and established by a
statement signed by the President or Chairman of the Board of the Company and
delivered to the Warrant Agent. The Warrant Agent may rely upon such statement
for any action taken or suffered in good faith by it pursuant to the provisions
of this Agreement.

                  8.4.2. Indemnity. The Warrant Agent shall be liable hereunder
only for its own negligence, willful misconduct or bad faith. The Company agrees
to indemnify the Warrant Agent and save it harmless against any and all
liabilities, including judgments, costs and reasonable counsel fees, for
anything done or omitted by the Warrant Agent in the execution of this Agreement
except as a result of the Warrant Agent's negligence, willful misconduct, or bad
faith.

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                  8.4.3. Exclusions. The Warrant Agent shall have no
responsibility with respect to the validity of this Agreement or with respect to
the validity or execution of any Warrant (except its countersignature thereof);
nor shall it be responsible for any breach by the Company of any covenant or
condition contained in this Agreement or in any Warrant; nor shall it be
responsible to make any adjustments required under the provisions of Section 4
hereof or responsible for the manner, method, or amount of any such adjustment
or the ascertaining of the existence of facts that would require any such
adjustment; nor shall it by any act hereunder be deemed to make any
representation or warranty as to the authorization or reservation of any shares
of Common Stock to be issued pursuant to this Agreement or any Warrant or as to
whether any shares of Common Stock will when issued be valid and fully paid and
nonassessable.

         8.5.     Acceptance of Agency. The Warrant Agent hereby accepts the
agency established by this Agreement and agrees to perform the same upon the
terms and conditions herein set forth and among other things, shall account
promptly to the Company with respect to Warrants exercised and concurrently
account for, and pay to the Company, all moneys received by the Warrant Agent
for the purchase of shares of the Company's Common Stock through the exercise of
Warrants.

9.       Miscellaneous Provisions.

         9.1.     Successors. All the covenants and provisions of this Agreement
by or for the benefit of the Company or the Warrant Agent shall bind and inure
to the benefit of their respective successors and assigns.

         9.2.     Notices. Any notice, statement or demand authorized by this
Warrant Agreement to be given or made by the Warrant Agent or by the holder of
any Warrant to or on the Company shall be sufficiently given when so delivered
if by hand or overnight delivery or if sent by certified mail or private courier
service within five days after deposit of such notice, postage prepaid,
addressed (until another address is filed in writing by the Company with the
Warrant Agent), as follows:

                           Terra Nova Acquisition Corporation
                           2 Bloor Street West
                           Suite 3400
                           Toronto, Ontario, Canada M4W 3E2
                           Attn: Chairman

Any notice, statement or demand authorized by this Agreement to be given or made
by the holder of any Warrant or by the Company to or on the Warrant Agent shall
be sufficiently given when so delivered if by hand or overnight delivery or if
sent by certified mail or private courier service within five days after deposit

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of such notice, postage prepaid, addressed (until another address is filed in
writing by the Warrant Agent with the Company), as follows:

                           Continental Stock Transfer & Trust Company
                           17 Battery Place
                           New York, New York 10004
                           Attn: Compliance Department

with a copy in each case to:

                           Bingham McCutchen LLP
                           399 Park Avenue
                           New York, New York 10022
                           Attn: Floyd I. Wittlin, Esq.

and

                           Graubard Miller
                           405 Lexington Avenue
                           New York, New York 10174
                           Attn: David Alan Miller, Esq.

and

                           EarlyBirdCapital, Inc.
                           275 Madison Avenue, Suite 1203
                           New York, New York 10016
                           Attn: Steven Levine

         9.3.     Applicable law. The validity, interpretation, and performance
of this Agreement and of the Warrants shall be governed in all respects by the
laws of the State of New York, without giving effect to conflict of laws. The
Company hereby agrees that any action, proceeding or claim against it arising
out of or relating in any way to this Agreement shall be brought and enforced in
the courts of the State of New York or the United States District Court for the
Southern District of New York, and irrevocably submits to such jurisdiction,
which jurisdiction shall be exclusive. The Company hereby waives any objection
to such exclusive jurisdiction and that such courts represent an inconvenience
forum. Any such process or summons to be served upon the Company may be served
by transmitting a copy thereof by registered or certified mail, return receipt
requested, postage prepaid, addressed to it at the address set forth in Section
9.2 hereof. Such mailing shall be deemed personal service and shall be legal and
binding upon the Company in any action, proceeding or claim.

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         9.4.     Persons Having Rights under this Agreement. Nothing in this
Agreement expressed and nothing that may be implied from any of the provisions
hereof is intended, or shall be construed, to confer upon, or give to, any
person or corporation other than the parties hereto and the registered holders
of the Warrants and, for the purposes of Sections 6.1, 6.4, 7.4 and 9.2 hereof,
EBC, any right, remedy, or claim under or by reason of this Warrant Agreement or
of any covenant, condition, stipulation, promise, or agreement hereof. EBC shall
be deemed to be a third-party beneficiary of this Agreement with respect to
Sections 6.1, 6.4, 7.4 and 9.2 hereof. All covenants, conditions, stipulations,
promises, and agreements contained in this Warrant Agreement shall be for the
sole and exclusive benefit of the parties hereto (and EBC with respect to the
Sections 6.1, 6.4, 7.4 and 9.2 hereof) and their successors and assigns and of
the registered holders of the Warrants.

         9.5.     Examination of the Warrant Agreement. A copy of this Agreement
shall be available at all reasonable times at the office of the Warrant Agent in
the Borough of Manhattan, City and State of New York, for inspection by the
registered holder of any Warrant. The Warrant Agent may require any such holder
to submit his Warrant for inspection by it.

         9.6.     Counterparts. This Agreement may be executed in any number of
counterparts and each of such counterparts shall for all purposes be deemed to
be an original, and all such counterparts shall together constitute but one and
the same instrument.

         9.7.     Effect of Headings. The Section headings herein are for
convenience only and are not part of this Warrant Agreement and shall not affect
the interpretation thereof.

                                       14

         IN WITNESS WHEREOF, this Agreement has been duly executed by the
parties hereto as of the day and year first above written.

Attest:                                    TERRA NOVA ACQUISITION CORPORATION

                                           By:
-----------------------------------           ----------------------------------
                                              Name:  Vahan Kololian
                                              Title: Chairman

Attest:                                    CONTINENTAL STOCK TRANSFER
                                             & TRUST COMPANY

                                           By:
-----------------------------------           ----------------------------------
                                              Name:  Steven Nelson
                                              Title: Chairman

                                       15EXHIBIT 10.1

                                                     January 25, 2005

Terra Nova Acquisition Corporation
2 Bloor Street West
Suite 3400
Toronto, Ontario, Canada M4W 3E2

EarlyBirdCapital, Inc.
275 Madison Avenue
Suite 1203
New York, New York 10016

         Re: Initial Public Offering

Gentlemen:

         The undersigned officer and director of Terra Nova Acquisition
Corporation ("Company"), in consideration of EarlyBirdCapital, Inc. ("EBC")
entering into a letter of intent ("Letter of Intent") to underwrite an initial
public offering of the securities of the Company ("IPO") and embarking on the
IPO process, hereby agrees as follows (certain capitalized terms used herein are
defined in paragraph 9 hereof):

         1. In the event that the Company fails to consummate a Business
Combination within 18 months from the effective date ("Effective Date") of the
registration statement relating to the IPO (or 24 months under the circumstances
described in the prospectus relating to the IPO), the undersigned will take all
reasonable actions within his power to cause the Company to liquidate as soon as
reasonably practicable. The undersigned hereby waives any and all right, title,
interest or claim of any kind in or to any distribution of the Trust Fund (as
defined in the Letter of Intent) as a result of such liquidation respect to the
undersigned's Insider Shares ("Claim") and hereby waives any Claim the
undersigned may have in the future as a result of, or arising out of, any
contracts or agreements with the Company and will not seek recourse against the
Trust Fund for any reason whatsoever. The undersigned agrees to indemnify and
hold harmless the Company against any and all loss, liability, claims, damage
and expense whatsoever (including, but not limited to, any and all legal or
other expenses reasonably incurred in investigating, preparing or defending
against any litigation, whether pending

Terra Nova Acquisition Corporation
EarlyBirdCapital, Inc.
January 25, 2005
Page 2

or threatened, or any claim whatsoever) which the Company may become subject as
a result of any claim by any vendor or other person who is owed money by the
Company for services rendered or products sold, or by any target business, but
only to the extent necessary to ensure that such loss, liability, claim, damage
or expense does not reduce the amount in the Trust Fund (as defined in the
Letter of Intent).

         2. In order to minimize potential conflicts of interest which may arise
from multiple affiliations, the undersigned agrees to present to the Company for
its consideration, prior to presentation to any other person or entity, any
suitable opportunity to acquire an operating business, until the earlier of the
consummation by the Company of a Business Combination, the liquidation of the
Company or until such time as the undersigned ceases to be an officer or
director of the Company, subject to any pre-existing fiduciary obligations the
undersigned might have.

         3. The undersigned acknowledges and agrees that the Company will not
consummate any Business Combination which involves a company which is affiliated
with any of the Insiders unless the Company obtains an opinion from an
independent investment banking firm reasonably acceptable to EBC that the
business combination is fair to the Company's stockholders from a financial
perspective.

         4. Neither the undersigned, any member of the family of the
undersigned, nor any Affiliate of the undersigned will be entitled to receive
and will not accept any compensation for services rendered to the Company prior
to the consummation of the Business Combination; provided that commencing on the
Effective Date, TerraNova Management Corp. ("Related Party"), shall be allowed
to charge the Company an allocable share of Related Party's overhead, up to
$7,500 per month, to compensate it for the Company's use of Related Party's
offices, utilities and personnel. Related Party and the undersigned shall also
be entitled to reimbursement from the Company for their out-of-pocket expenses
incurred in connection with seeking and consummating a Business Combination.

         5. Neither the undersigned, any member of the family of the
undersigned, or any Affiliate of the undersigned will be entitled to receive or
accept a finder's fee or any other compensation in the event the undersigned,
any member of the family of the undersigned or any Affiliate of the undersigned
originates a Business Combination.

         6. The undersigned agrees to be the Chairman of the Board, Chief
Executive Officer and a director of the Company until the earlier of the
consummation by the Company of a Business Combination or the liquidation of the
Company. The

Terra Nova Acquisition Corporation
EarlyBirdCapital, Inc.
January 25, 2005
Page 3

undersigned's biographical information furnished to the Company and EBC and
attached hereto as Exhibit A is true and accurate in all respects, does not omit
any material information with respect to the undersigned's background and
contains all of the information required to be disclosed pursuant to Section 401
of Regulation S-K, promulgated under the Securities Act of 1933. The
undersigned's Questionnaire furnished to the Company and EBC and annexed as
Exhibit B hereto is true and accurate in all respects. The undersigned
represents and warrants that:

    (a) he is not subject to or a respondent in any legal action for, any
injunction, cease-and-desist order or order or stipulation to desist or refrain
from any act or practice relating to the offering of securities in any
jurisdiction;

    (b) he has never been convicted of or pleaded guilty to any crime (i)
involving any fraud or (ii) relating to any financial transaction or handling of
funds of another person, or (iii) pertaining to any dealings in any securities
and he is not currently a defendant in any such criminal proceeding; and

    (c) he has never been suspended or expelled from membership in any
securities or commodities exchange or association or had a securities or
commodities license or registration denied, suspended or revoked.

         7. The undersigned has full right and power, without violating any
agreement by which he is bound, to enter into this letter agreement and to serve
as Chairman of the Board, Chief Executive Officer and a director of the Company.

         8. The undersigned authorizes any employer, financial institution, or
consumer credit reporting agency to release to EBC and its legal representatives
or agents (including any investigative search firm retained by EBC) any
information they may have about the undersigned's background and finances
("Information"). Neither EBC nor its agents shall be violating the undersigned's
right of privacy in any manner in requesting and obtaining the Information and
the undersigned hereby releases them from liability for any damage whatsoever in
that connection.

         9. As used herein, (i) a "Business Combination" shall mean an
acquisition by merger, capital stock exchange, asset or stock acquisition,
reorganization or otherwise, of an operating business selected by the Company;
(ii) "Insiders" shall mean all officers, directors and stockholders of the
Company immediately prior to the IPO; (iii) "Insider Shares" shall mean all of
the shares of Common Stock of the Company owned by an Insider prior to the IPO;
and (iv) "IPO Shares" shall mean the shares of Common Stock issued in the
Company's IPO.

Terra Nova Acquisition Corporation
EarlyBirdCapital, Inc.
January 25, 2005
Page 4

                                                     Vahan Kololian
                                                     --------------
                                                     Print Name of Insider

                                                     /s/ Vahan Kololian
                                                     ------------------
                                                     Signature

EXHIBIT A

         Vahan Kololian has been our chairman of the board and chief executive
officer since our inception. Mr. Kololian has been the president and chief
executive officer of Precinda Corporation, a private industrial holding company
based in Toronto, since its formation in March 2000. He has also been a partner
of TerraNova Partners L.P., a private investment firm and an affiliate of
Precinda Corporation, since September 2004 and president of TerraNova Management
Corp., the manager of TerraNova Partners L.P., since September 2004. In January
1991, Mr. Kololian co-founded Polar Capital Corporation, a Toronto and Calgary
based merchant banking firm, and served as its president until March 2000. He
also served as president of Polar Enterprise Partners Inc., a private fund
managed by Polar Capital Corporation, from its inception in June 1997 until
March 2000. From September 1988 to March 1990, he was a director and partner of
Gordon Capital Corporation, an investment bank. Mr. Kololian commenced his
career at Burns Fry Ltd., an investment bank now owned by Nesbitt Burns (which
is owned by the Bank of Montreal), where Mr. Kololian served in various
professional roles in the investment banking and mergers and acquisitions groups
from September 1981 to September 1988. Mr. Kololian is a member of The World
Presidents' Organization and a member of The Law Society of Upper Canada. He
holds a B.A. from the University of Western Ontario and an LL.B. from the
University of Ottawa.

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