Document:

exv10w2

 

Exhibit 10.2

AMENDMENT, CONSENT AND WAIVER

     This AMENDMENT, CONSENT AND WAIVER (this “Agreement”) is made and entered into as of the ___
day of                     , 2007 by and among the individuals and entities who or which are signatories
hereto.

     WHEREAS, CanArgo Energy Corporation, a Delaware corporation (“CanArgo”), and certain persons
(the “Subordinated Noteholders”) have entered into a Note and Warrant Purchase Agreement dated
March 3, 2006 as amended (the “Note Purchase Agreement”), pursuant to which CanArgo issued
$13,000,000 in aggregate principal amount of senior subordinated convertible guaranteed promissory
notes due September 1, 2009 and whereas on June 13, 2007 the individuals and entities who or which
are signatories hereto (other than Ingalls & Snyder LLC) entered into an amendment, consent and
waiver in terms of which the Subordinated Noteholders agreed that certain interest payments due to
the Subordinated Noteholders as of June 30, 2007 would instead be satisfied by way of the issue by
CanArgo of a further $400,000 of the aforesaid senior subordinated convertible guaranteed
promissory notes (all such outstanding notes together the “Subordinated Notes”, it being noted that
$5m of such Subordinated Notes were in June 2007 converted into shares in Tethys Petroleum Limited
(“Tethys”) and accordingly that the aggregate principal amount of Subordinated Notes outstanding is
currently $8,400,000); and

     WHEREAS, CanArgo and certain persons (the “Senior Noteholders”) entered into a Note Purchase
Agreement dated July 25, 2005 as amended, pursuant to which CanArgo issued $25,000,000 in aggregate
principal amount of senior secured promissory notes due July 25, 2009 and whereas $10,000,000 of
such notes were in June 2007 converted into/exchanged for shares in Tethys and whereas on June 13,
2007 the Senior Noteholders entered into an amendment, consent and waiver in terms of which the
Senior Noteholders agreed that certain interest payments due on their notes as of June 30, 2007
would instead be satisfied by way of the issue by CanArgo of a further $1,125,000 of the aforesaid
senior secured promissory notes (any such senior secured promissory notes the “Senior Notes”); and

     WHEREAS CanArgo Limited, a wholly owned subsidiary of CanArgo, has recently sold 8 million
ordinary shares in the share capital of Tethys; and

     WHEREAS, on or about August 3, 2007 CanArgo (with the consent of CanArgo Limited) remitted (or
procured the remittance of) the sum of $20,840,396.49 to Ingalls & Snyder LLC (the “Escrow Agent”),
such sum to be held in an escrow account (the “Escrow Account”) and released from the Escrow
Account pursuant to an escrow agreement (the “Escrow Agreement”) dated as of August 3, 2007 among
CanArgo, CanArgo Limited and the Escrow Agent; and

     WHEREAS, there has subsequently been released from the Escrow Account (in accordance with the
terms of the Escrow Agreement) and paid over by the Escrow Agent to the Senior Noteholders the
amount necessary to fully repay all amounts outstanding on the Senior Notes and accordingly no
Senior Notes remain outstanding; and

     WHEREAS, it has been agreed that the balance standing to the credit of the Escrow Account as
at the relevant repayment date shall be used to repay part of the outstanding Subordinated Notes;
and

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     WHEREAS, the Subordinated Noteholders have agreed to waive (in respect only of those
Subordinated Notes to be repaid pursuant to this Agreement) the notice period which CanArgo would
otherwise be required to give the Subordinated Noteholders on early repayment of those Subordinated
Notes to be repaid pursuant to this Agreement; and

     WHEREAS, the aggregate principal amount of the Subordinated Notes to be repaid pursuant to
this Agreement shall be calculated in accordance with this Agreement (such amount of Subordinated
Notes the “Repayment Subordinated Notes”); and

     WHEREAS the Subordinated Noteholders have agreed that, notwithstanding the date of this
Agreement, interest on the Repayment Subordinated Notes (but not the remaining Subordinated Notes)
will cease to accrue as of (but including) August 14, 2007 (the “Interest Cessation Date”); and

     WHEREAS by waiving the notice period which CanArgo would otherwise be required to give the
Subordinated Noteholders of an early repayment of the Repayment Subordinated Notes and by agreeing
to a variation of the interest provisions attaching to the Repayment Subordinated Notes the
Subordinated Noteholders are effectively giving up (a) certain rights to convert their Repayment
Subordinated Notes into common stock of CanArgo as an alternative to accepting repayment of the
Repayment Subordinated Notes and (b) the right to receive interest on the Repayment Subordinated
Notes in respect of the period between, on the one hand, the date on which CanArgo would otherwise
have served notice of early repayment and, on the other hand, the date on which actual repayment
(or conversion) of the Repayment Subordinated Notes would otherwise have taken place; and

     WHEREAS in order to compensate the Subordinated Noteholders for giving up the aforesaid
rights, CanArgo has agreed to issue to the Subordinated Noteholders warrants to purchase certain
shares at an exercise price of $1.00 per share, subject to adjustment, of CanArgo’s common stock,
par value $0.10 per share, expiring at close of business on November 13, 2007 (the “Warrants”), the
aggregate number of all such Warrants being calculated in accordance with this Agreement; and

     WHEREAS accordingly CanArgo and the Subordinated Noteholders wish to amend the Note Purchase
Agreement and the Repayment Subordinated Notes to give effect to the foregoing.

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

     1. Definitions. Capitalized terms used herein but not otherwise defined have the
meanings assigned to them in the Note Purchase Agreement.

     2. Amendment Consent and Waiver. Notwithstanding the provisions of any Loan Document
to the contrary provided, in accordance with Section 19 of the Note Purchase Agreement, the
Subordinated Noteholders hereby irrevocably and unconditionally agree to the amendment of the Note
Purchase Agreement and the Repayment Subordinated Notes (but not the remaining Subordinated Notes)
and consent to, and waive any rights they may have under the Note Purchase Agreement or any other
Loan Documents as follows:

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	 	(a)	 	Notwithstanding any other provision to the contrary in the Note
Purchase Agreement or the Loan Documents, the Subordinated Noteholders agree to
waive the right to receive notice from CanArgo of the optional prepayment by
CanArgo of the Repayment Subordinated Notes. Instead, repayment of the
Repayment Subordinated Notes shall be effected by the release from the Escrow
Account of an amount sufficient to repay all amounts outstanding on the
Repayment Subordinated Notes as at (but including) the Interest Cessation Date.
In respect of the Repayment Subordinated Notes (but not the remaining
Subordinated Notes) Section 10 of the Note Purchase Agreement (and in
particular Section 10.1 thereof) shall be deemed amended accordingly.
	 
	 	(b)	 	Notwithstanding any other provision to the contrary in the Note
Purchase Agreement or the Loan Documents the Subordinated Noteholders agree
that the Repayment Subordinated Notes (but not the remaining Subordinated
Notes) shall cease to bear interest with effect from (but including) the
Interest Cessation Date.
	 
	 	(c)	 	The interest provisions in the Repayment Subordinated Notes
(but not the remaining Subordinated Notes) shall accordingly be deemed to be
varied in a manner consistent with the foregoing.
	 
	 	(d)	 	The amount of the Repayment Subordinated Notes (i.e. the
aggregate principal amount of all Subordinated Notes to be repaid pursuant to
this Agreement) shall be an amount “B” where “B” shall be calculated in
accordance with the following formula

where

A = the total amount (including accumulated interest or other investment
income) standing to the credit of the Escrow Account as at the date on which
such amount is uplifted from the Escrow Account in order to effect repayment of
the Repayment Subordinated Notes;

B = the aggregate principal amount of the Repayment Subordinated Notes;

C = the amount of interest accrued on the Repayment Subordinated Notes up to
and including the Interest Cessation Date; and

D = 105%, being the Redemption Price (as defined in Section 10.5 of the Note
Purchase Agreement) as at the Interest Cessation Date.

	 	(e)	 	Accordingly, Section 10 of the Note Purchase Agreement (and, in
particular Section 10.3 thereof) shall be deemed amended to the effect that the
amount which each Subordinated Noteholder shall be entitled to receive on the
repayment of his Repayment Subordinated Notes shall be

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	 	 	 	an amount “X” where X shall be calculated in accordance with the following
formula:

where:

A = the amount “A” referred to in Section 2(d) above;

Y = the aggregate principal amount of all Subordinated Notes held by the
relevant Subordinated Noteholder; and

Z = the aggregate principal amount of all Subordinated Notes outstanding at the
date of repayment (i.e. currently $8,400,000).

	 	(f)	 	In consideration for the Subordinated Noteholders agreeing to
enter into this Agreement CanArgo agrees to issue the Warrants to the
Subordinated Noteholders. The aggregate number of Warrants to be issued to the
Subordinated Noteholders shall equal the number of Repayment Subordinated Notes
(in other words, and by way of an example for illustrative purposes only, if
the aggregate principal amount of Repayment Subordinated Notes is, say,
$3,500,000, the aggregate number of Warrants will be 3,500,000). The Warrants
shall be issued to and allocated amongst the Subordinated Noteholders such that
the number of the Warrants to which each Subordinated Noteholder shall be
entitled shall be the number which is the sum of:

where:

W = the aggregate number of all Warrants to be issued
to the Subordinated Noteholders;

Y = the amount “Y” referred to in Section 2(e) above;

Z = the amount “Y” referred to in Section 2(e) above.

The Warrants will be substantially in the form set out in the Exhibit to this
Agreement, with such changes thereto, if any, as may be approved by the
Subordinated Noteholders and CanArgo.

     3. Appointment of Ingalls & Snyder LLC. The parties acknowledge and agree that
Ingalls & Snyder LLC is hereby appointed on behalf of the Subordinated Noteholders to disburse to
the Subordinated Noteholders the funds released from the Escrow Account to repay the Repayment
Subordinated Notes. Ingalls & Snyder LLC hereby accepts such appointment.

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     4. Effect on Loan Documents. This Agreement and the amendments set forth herein are
limited to the specific purpose for which it is entered into and, except as specifically set forth
above, (a) shall not be construed as a consent, waiver, amendment or other modification with
respect to any other term, condition or other provision of any Loan Document and (b) each of the
Loan Documents shall remain in full force and effect and are each hereby ratified and confirmed.

     5. Miscellaneous.

          (a) Successors and Assigns; Headings; Choice of Law, etc. This Agreement shall be
binding on and shall inure to the benefit of CanArgo, the Subordinated Noteholders and Ingalls &
Snyder LLC and their respective successors and assigns, heirs and legal representatives; provided
that CanArgo may not assign its rights hereunder without the prior written consent of the Required
Holders. The headings in this Agreement have been inserted for convenience purposes only and shall
not be used in the interpretation or enforcement of this Agreement. The Agreement shall be
interpreted and enforced in accordance with the laws of the State of New York, United States of
America, applicable to contracts made in and to be performed in such State. There shall be no
third party beneficiaries of any of the terms and provisions of this Agreement.

          (b) Entire Agreement; Amendments. This Agreement, including all documents attached
hereto, incorporated by reference herein or delivered in connection herewith, constitute the entire
agreement of the parties with respect to the subject matter hereof and supersede all other prior
understandings, oral or written, with respect to the subject matter hereof and may not be amended,
or any provision thereof waived, except by an instrument in writing signed by the parties hereto.

          (c) Severability. Whenever possible each provision of this Agreement shall be
interpreted in such manner as to be effective and valid under applicable law, but if any provision
of this Agreement shall be prohibited by or invalid under such law, such provision shall be
ineffective to the extent of such prohibition or invalidity, without invalidating the remainder of
such provision or the remaining provisions of this Agreement.

          (d) Counterparts. This Agreement may be executed in any number of counterparts and by
the different parties on separate counterparts, and each such counterpart shall be deemed to be an
original, but all such counterparts shall together constitute but one and the same instrument.
Delivery of an executed counterpart of a signature page to this Agreement by telecopy shall be
equally effective as the delivery of a manually executed counterpart of this Agreement.

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

	 	 	 	 	 	 	 
	 

	 	By:	 	 	 	 
	 

	 	Name:
	 	 

	 	 
	 

	 	Title:	 	 	 	 
	 
	 	 	 	 	 	 
	 	 	CANARGO ENERGY CORPORATION	 	 

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	SUBORDINATED NOTEHOLDERS:
	 	 
	 
	 	 
	THOMAS L. GIPSON
	 	 
	 
	 	 
	 

	 	 
	 
	 	 
	ROBERT L. GIPSON
	 	 
	 
	 	 
	 

	 	 

	 	 	 	 	 
	PENRITH LTD.	 	 
	 
	 	 	 	 
	By:
	 	 	 	 
	Name:

	 	 

	 	 
	Title:
	 	 	 	 

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	INGALLS & SNYDER LLC	 	 
	 
	 	 	 	 
	By:
	 	 	 	 
	Name:

	 	 

	 	 
	Title:
	 	 	 	 

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	 	 	CANARGO LIMITED	 	 
	 
	 	 	 	 	 	 
	 

	 	By:	 	 	 	 
	 

	 	Name:
	 	 

	 	 
	 

	 	Title:	 	 	 	 
	 
	 	 	 	 	 	 
	 	 	CANARGO LTD.	 	 
	 
	 	 	 	 	 	 
	 

	 	By:	 	 	 	 
	 

	 	Name:
	 	 

	 	 
	 

	 	Title:	 	 	 	 
	 
	 	 	 	 	 	 
	 	 	CANARGO NORIO LIMITED	 	 
	 
	 	 	 	 	 	 
	 

	 	By:	 	 	 	 
	 

	 	Name:
	 	 

	 	 
	 

	 	Title:	 	 	 	 
	 
	 	 	 	 	 	 
	 	 	CANARGO (NAZVREVI) LIMITED	 	 
	 
	 	 	 	 	 	 
	 

	 	By:	 	 	 	 
	 

	 	Name:
	 	 

	 	 
	 

	 	Title:	 	 	 	 
	 
	 	 	 	 	 	 
	 	 	NINOTSMINDA OIL COMPANY LIMITED	 	 
	 
	 	 	 	 	 	 
	 

	 	By:	 	 	 	 
	 

	 	Name:
	 	 

	 	 
	 

	 	Title:	 	 	 	 

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EXHIBIT

FORM OF WARRANT

THE WARRANTS REPRESENTED HEREBY AND THE COMMON STOCK ISSUABLE UPON EXERCISE OF THE WARRANTS
(COLLECTIVELY, THE “WARRANT SECURITIES”), HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF
1933, AS AMENDED (THE “ACT”), OR REGISTERED OR QUALIFIED UNDER THE SECURITIES LAWS OF ANY OTHER
JURISDICTION IN RELIANCE UPON EXEMPTIONS FROM SUCH REGISTRATION AFFORDED UNDER THE ACT AND
APPLICABLE SECURITIES LAWS OF OTHER JURISDICTIONS. THE WARRANT SECURITIES REPRESENTED HEREBY MAY
NOT BE OFFERED, SOLD, HYPOTHECATED OR OTHERWISE TRANSFERRED UNLESS REGISTERED UNDER THE ACT OR AN
EXEMPTION FROM THE REGISTRATION REQUIREMENTS OF THE ACT IS APPLICABLE (IN WHICH CASE THE ISSUER
SHALL HAVE RECEIVED AN OPINION OF COUNSEL IN FORM AND SUBSTANCE REASONABLY SATISFACTORY TO THE
ISSUER TO SUCH EFFECT) AND THE PROVISIONS OF ALL OTHER APPLICABLE SECURITIES LAWS ARE OBSERVED.

CANARGO ENERGY CORPORATION

Incorporated Under the Laws of the State of Delaware

	 	 	 	 	 
	 

	 	No. [•]
	 	[•] common Stock Purchase Warrants

CERTIFICATE FOR COMMON STOCK

PURCHASE WARRANTS

1.
Warrant, This Warrant Certificate certifies that
[•]                                          or
registered assigns (the “Registered Holder”), is the registered owner of the above indicated number
of Warrants expiring on the Expiration Date, as hereinafter defined. One (1) Warrant entitles the
Registered Holder to purchase one (1) share of the common stock, $0.10 par value (a “Share”), of
CanArgo Energy Corporation, a Delaware corporation (the “Company”), from the Company at a purchase
price of $1.00 (the “Exercise Price”) at any time during the Exercise Period, as hereinafter
defined, upon surrender of this Warrant Certificate with the exercise form hereon duly completed
and executed and accompanied by payment of the Exercise Price at the principal office of the
Company.

     Upon due presentment for transfer or exchange of this Warrant Certificate at the principal
office of the Company, a new Warrant Certificate or Warrant Certificates of like tenor and
evidencing in the aggregate a like number of Warrants shall be issued in exchange for this Warrant
Certificate, subject to the limitations provided herein, upon payment of any tax or governmental
charge imposed in connection with such transfer. Subject to the terms hereof the Company shall
deliver Warrant Certificates in required whole number

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denominations to Registered Holders in connection with any transfer or exchange permitted
hereunder.

     This Warrant is one of several warrants in substantially identical form issued pursuant to the
provisions of that certain Amendment, Consent and Waiver dated
[•], 2007 by and among the Company,
Thomas L. Gipson, Robert L. Gipson, Penrith Limited, Ingalls & Snyder LLC, CanArgo Limited, CanArgo
Ltd., CanArgo Norio Limited, CanArgo (Nazrevi) Limited and Ninotsminda Oil Company Limited (the
“Amendment, Consent and Waiver”). Any capitalized terms not otherwise expressly defined herein
shall have the meaning ascribed thereto in the Amendment, Consent and Waiver.

2. Restrictive Legends. Each Warrant Certificate shall bear legends substantially in the
form of the legends that appear at the beginning of this Warrant Certificate. Each certificate
representing Shares issued upon exercise of a Warrant, unless such Shares are then registered under
the Securities Act of 1933, as amended (the “Act”), shall bear a legend in substantially the
following form:

“THE SHARES REPRESENTED BY THIS CERTIFICATE HAVE NOT BEEN REGISTERED UNDER THE SECURITES ACT OF
1933, AS AMENDED (THE“ACT”) OR REGISTERED OR QUALIFIED UNDER THE SECURITIES LAWS OF ANY OTHER
JURISDICTION IN RELIANCE UPON EXEMPTIONS FROM SUCH REGISTRATION AFFORDED UNDER THE ACT AND SUCH
APPLICABLE LAWS OF OTHER JURISDICTIONS. THE SHARES REPRESENTED HEREBY MAY NOT BE OFFERED, SOLD,
HYPOTHECATED OR OTHERWISE TRANSFERRED UNLESS REGISTERED UNDER THE ACT OR AN EXEMPTION FROM THE
REGISTRATION REQUIREMENTS UNDER THE ACT IS APPLICABLE (IN WHICH CASE THE ISSUER SHALL HAVE RECEIVED
AN OPINION OF COUNSEL IN FORM AND SUBSTANCE REASONABLY SATISFACTORY TO THE ISSUER TO SUCH EFFECT)
AND THE PROVISIONS OF ALL OTHER APPLICABLE SECURITIES LAWS ARE OBSERVED.”

Each such certificate representing Shares may also bear such legend relating to the issuance of
such Shares pursuant to any applicable securities laws as counsel for the Company shall reasonably
deem appropriate.

3. Exercise. Subject to the terms hereof: the Warrants, evidenced by this Warrant
Certificate, may be exercised at the Exercise Price in whole or in part at any time during the
period (the “Exercise Period”) commencing on August 15, 2007 as contemplated by the Amendment,
Consent and Waiver and terminating at the close of business on November 13, 2007 (the “Expiration
Date”). The Exercise Period may also be extended by the Company’s Board of Directors.

     A Warrant shall be deemed to have been exercised in immediately prior to the close of business
on the date (the “Exercise Date”) of the surrender to the Company at its principal offices of this
Warrant Certificate with the exercise form attached hereto executed by the Registered Holder and
accompanied by payment to the Company, in cash or by official bank or certified check, of an amount
equal to the aggregate Exercise Price, in lawful money of the United States of America.

     The person entitled to receive the Shares issuable upon exercise of a Warrant or Warrants
(“Warrant Shares”) shall be treated for all purposes as the holder of such Warrant

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Shares as of the close of business on the Exercise Date. The Company shall not be obligated to
issue any fractional share interests in Warrant Shares issuable or deliverable on the exercise of
any Warrant or script or cash with respect thereto, but, if Company elects not to issue a
fractional share, the Company will pay a cash adjustment in respect of any fraction of a Warrant
Share which would otherwise be issuable in an amount equal to the same fraction of the amount by
which the market price of a Share on the date of exercise exceeds the Exercise Price, such market
price to be determined in good faith by the Board of Directors of the Company. If more than one
Warrant shall be exercised at one time by the same Registered Holder, the number of full Shares
which shall be issuable on exercise thereof shall be computed on the basis of the aggregate number
of full shares issuable on such exercise.

     Promptly, and in any event within ten business days after the Exercise Date, the Company shall
cause to be issued and delivered to the person or persons entitled to receive the same, a
certificate or certificates for the number of Warrant Shares deliverable on such exercise.

     The Company may deem and treat the Registered Holder of the Warrants at any time as the
absolute owner thereof for all purposes, and the Company shall not be affected by any notice to the
contrary. The Warrants shall not entitle the Registered Holder thereof to any of the rights of
shareholders or to any dividend declared on the Shares unless the Registered Holder shall have
exercised the Warrants and thereby purchased the Warrant Shares prior to the record date for the
determination of holders of Shares entitled to such dividend or other right.

4. Net Issue Conversion. Notwithstanding anything in this Warrant to the contrary, the
Registered Holder hereof may, subject to the prior concurrence of the Company, in lieu of
exercising this Warrant in the manner provided above in Section 3, elect to convert this Warrant
into Warrant Shares equal in number to the value of the exercised Warrants by so indicating on the
Form of Election to Purchase attached hereto, in which event the Registered Holder shall receive a
number of Warrant Shares equal to following shall occur.

[(X multiplied by (Y minus Z)] divided by Y;

where:

X = Number of Warrants Converted

Y = Fair Market Value of one share of Common Stock

Z = Exercise Price

For purposes of the above, “Fair Market Value” shall equal the closing price for the Company’s
Common Stock on the Exercise Date, as reported on the AMEX or, if the Common Stock is not then
listed for trading on the AMEX, then the dollar equivalent of such closing price as reported on the
Oslo Stock Exchange on the Exercise Date.

5. Reservation of Shares and Payment of Taxes. The Company covenants that it will at
all times reserve and have available from its authorized Common Stock such number of shares as
shall then be issuable on the exercise of outstanding Warrants. The Company covenants that all
Warrant Shares which shall be so issuable shall be duly and validly issued, fully paid and
nonassessable, and free from all taxes, liens and charges with respect to the issue thereof.

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     The Registered Holder shall pay all documentary, stamp or similar taxes and other government
charges that may be imposed with respect to the issuance, transfer or delivery of any Warrants and
Warrant Shares on exercise of the Warrants. In the event the Warrants or Warrant Shares are to be
delivered in a name other than the name of the Registered Holder of the Warrant Certificate, no
such delivery shall be made unless the person requesting the same has paid the amount of any such
taxes or charges incident thereto.

6. Registration of Transfer. The Warrant Certificates may be transferred in whole or
in part, provided any such transfer complies with all applicable foreign and United States federal
and state securities laws and, if requested by the Company, the Registered Holder delivers to the
Company an opinion of counsel to that effect, in form and substance reasonably acceptable to the
Company. Warrant Certificates to be transferred shall be surrendered to the Company at its
principal office. The Company shall execute, issue and deliver in exchange therefore the Warrant
Certificate or Certificates which the Registered Holder making the transfer shall be entitled to
receive.

     The Company shall keep transfer books at its principal office which shall register Warrant
Certificates and the transfer thereof. On due presentment of any Warrant Certificate for
registration of transfer at such office, the Company shall execute, issue and deliver to the
transferee or transferees a new Warrant Certificate or Certificates representing an equal aggregate
number of Warrants. All Warrant Certificates presented for registration of transfer or exercise
shall be duly endorsed or be accompanied by a written instrument or instruments of transfer in form
and substance satisfactory to the Company. The Company may require payment of a sum sufficient to
cover any tax or other government charge that may be imposed in connection therewith.

     All Warrant Certificates so surrendered, or surrendered for exercise, or for exchange in case
of mutilated Warrant Certificates, shall be promptly cancelled by the Company and thereafter
retained by the Company until the Expiration Date. Prior to due presentment for registration of
transfer thereof the Company may treat the Registered Holder of any Warrant Certificate as the
absolute owner thereof (notwithstanding any notations of ownership or writing thereon made by
anyone other than the Company), and the Company shall not be affected by any notice to the
contrary.

7. Loss or Mutilation. On receipt by the Company of evidence satisfactory as to the
ownership of and the loss, theft, destruction or mutilation of this Warrant Certificate, the
Company shall execute and deliver, in lieu thereof a new Warrant Certificate representing an equal
aggregate number of Warrants. In the case of loss, theft or destruction of any Warrant Certificate,
the individual requesting issuance of a new Warrant Certificate shall be required to indemnify the
Company in an amount satisfactory to the Company. In the event a Warrant Certificate is mutilated,
such Certificate shall be surrendered and cancelled by the Company prior to delivery of a new
Warrant Certificate. Applicants for a new Warrant Certificate shall also comply with such other
reasonable regulations as the Company may prescribe.

8. Adjustment of Shares. The number and kind of securities issuable upon exercise of a
Warrant or to be delivered upon the redemption of Warrants hereunder shall be subject to adjustment
from time to time upon the happening of certain events (“Adjustment Event”), as follows:

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     (a) If the Company shall, at any time prior to the complete exercise of the Warrants evidenced
hereby, declare or pay to the holders of its outstanding Shares, a dividend payable in any kind of
shares of stock or other securities of the Company, or in property, or otherwise than in cash, the
Registered Holder upon thereafter exercising the Warrants evidenced hereby as herein provided shall
be entitled to receive for the Exercise Price, in addition to one Warrant Share, such additional
share or shares of stock or scrip representing fractions of a share or other securities or property
as the Registered Holder would have received in the form of such dividend if he had been the holder
of record of such Warrant Share on the record date for the determination of common stockholders
entitled to receive such dividend.

     (b) If the Company shall, while any Warrants evidenced hereby remain in force, effect a
recapitalization of such character that the Shares covered hereby shall be changed into or become
exchangeable for a larger or smaller number of shares, then thereafter, the number of Shares which
the Registered Holder shall be entitled to purchase hereunder, shall be increased or decreased, as
the case may be, in direct proportion to the increase or decrease in the number of Shares of the
Company by reason of such recapitalization, and the Exercise Price (per Share) shall in the case of
an increase in the number of Shares be proportionately reduced, and in the case of a decrease in
the number of shares be proportionately increased.

     (c) In case of any reorganization of the Company (or any other corporation the stock or other
securities of which are at the time receivable upon exercise of a Warrant) or in case the Company
(or any such other corporation) shall merge into or with or consolidate with another corporation or
convey all or substantially all of its assets to another corporation or enter into a business
combination of any form as a result of which the Shares or other securities receivable upon
exercise of a Warrant are converted into other stock or securities of the same or another
corporation, then and in each such case, the Registered Holder of a Warrant, upon exercise of the
purchase right at any time after the consummation of such reorganization, consolidation, merger,
conveyance or combination, shall be entitled to receive, in lieu of the Shares or other securities
to which such Registered Holder would have been entitled had he exercised the purchase right
immediately prior thereto, such stock and securities which such Registered Holder would have owned
immediately after such event with respect to the Shares and other securities for which a Warrant
may have been exercised immediately before such event had the Registered Holder exercised the
Warrant immediately prior to such event.

     (d) In case the Company shall at any time prior to the exercise of a Warrant evidenced hereby
make any distribution of its assets to holders of its Shares by way of a liquidating or partial
liquidating dividend or by way of a return of capital, or other than as a dividend payable out of
earnings or any surplus legally available for dividends under the laws of the state of its
incorporation, then the Registered Holder upon thereafter exercising such Warrant as herein
provided after the date of record for the determination of those holders of Shares entitled to such
distribution of assets, shall be entitled to receive for the Exercise Price, in addition to a
Warrant Share, the amount of such assets (or at the option of the Company, a sum equal to the value
thereof at the time of such distribution to holders of Shares as such value is determined by the
Board of Directors of the Company in good faith) which would have been payable to the Registered
Holder had he been the holder of record of such Warrant Share receivable upon exercise of such
Warrant on the record date for the determination of those entitled to such distribution.

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     The Company shall mail to the holder of this Certificate at least twenty (20) days prior to
any Adjustment Event a notice specifying the date on which any such Adjustment Event is to occur
together with a description thereof.

     In each case of an adjustment in the Shares or other securities receivable upon the exercise
of a Warrant, the Company shall promptly notify the Registered Holder of such adjustment. Such
notice shall set forth the facts upon which such adjustment is based.

9. Reduction in Exercise Price .

     The Company’s Board of Directors may, at its sole discretion, reduce the Exercise Price of the
Warrants in effect at any time either for the life of the Warrants or any shorter period of time
determined by the Company’s Board of Directors. The Company shall promptly notify the Registered
Holders of any such reduction in the Exercise Price. Notwithstanding the foregoing, in no event
shall the number of Shares issuable to the holders of the Warrants pursuant to this Section 9 cause
the holders of the Warrants collectively to own in excess of 19.9% of the outstanding Common Stock
of the Company as at the date of the Amendment, Consent and Waiver unless the Company has obtained
the prior approval of its stockholders as required by Section 713 of the AMEX Company Guide as in
effect from time to time, provided, however, that the Company shall use commercially reasonable
efforts to diligently seek to obtain such approval of its stockholders.

10. Notices. All notices, demands, elections, requests and communications provided for
hereunder shall be in writing and sent

     (a) by telefacsimile if the sender on the same day sends a confirming copy of such notice by a
recognized overnight delivery service (charges prepaid), or

     (b) by registered or certified mail with return receipt requested (postage prepaid), or

     (c) by a recognized overnight delivery service (with charges prepaid). Any such notice must
be sent:

          (i) if to the Registered Holder or its nominee, to the Registered Holder or its nominee at the
address of the Registered Holder as set forth on the books maintained by the Company, or at such
other address as such Registered Holder or nominee shall have specified to the Company in writing,

          (ii) if to the Company, to the Company at its principal executive office to the attention of
Chief Executive Officer, or at such other address as the Company shall have specified to the holder
of each Warrant in writing.

     Notices under this Section 10 will be deemed given only when actually received.

11. General Provisions. This Warrant Certificate shall be construed and enforced in
accordance with, and governed by, the laws of the State of Delaware, where the Company maintains
its registered offices. Except as otherwise expressly stated herein, time is of the essence in
performing hereunder. The headings of this Warrant Certificate are for convenience in reference
only and shall not limit or otherwise affect the meaning hereof.

14

 

     IN WITNESS WHEREOF, the Company has caused this Warrant Certificate to be duly executed as of
the ___ day of ___, 2007.

	 	 	 	 	 	 	 
	 	 	CanArgo Energy Corporation	 	 
	 
	 	 	 	 	 	 
	 

	 	By:	 	 	 	 
	 

	 	Title:
	 	 

	 	 
	 

	 	 	 	 

	 	 

15

 

CanArgo Energy Corporation

     The following abbreviations, when used in the inscription on the face of this instrument,
shall be construed as though they were written out in full according to applicable laws or
regulations:

	 	 	 	 	 	 
	 	 	 	 
	TEN COM — as tenants in common

	 	 	UNIF GIFT MIN ACT- Custodian	 	 
	TEN ENT — as tenants by the entireties
	 	 	 	 	 
	JR TEN — as joint tenants with right

	 	 	
	 	 
	of survivorship and not as tenants in common

	 	 	(Cust)     (Minor)	 	 
	 

	 	 	under Uniform Gifts	 	 
	 

	 	 	to Minor Act                    .	 	 
	 

	 	 	                            
                    (State)	 	 
	 	 	 	 

Additional abbreviations may also be used though not in the above list.

FORM OF ASSIGNMENT

(To be Executed by the Registered Holder if He

Desires to Assign Warrants Evidenced by the

Within Warrant Certificate)

     FOR VALUE RECEIVED                                          hereby sells,
assigns and transfers (                    ) Warrants, evidenced by the within Warrant Certificate, and does
hereby irrevocably constitute and appoint                                          Attorney to transfer the said
Warrants evidenced by the within Warrant Certificates on the books of the Company, with full power
of substitution.

	 	 	 	 	 	 	 	 	 	 	 
	Dated:

	 	 
	.	 
	 	
	 	 
	.	 
	

	 	 
	 	 
	 	 	 
	Signature
	 	 

Notice: The above signature must correspond with the name as written upon the Face of the
Warrant Certificate in every particular, without alteration or enlargement or any change
whatsoever.

Signature Guaranteed:

SIGNATURE MUST BE GUARANTEED BY A COMMERCIAL BANK OR MEMBER FIRM OF ONE OF THE FOLLOWING STOCK
EXCHANGES: NEW YORK STOCK EXCHANGE, PACIFIC COAST STOCK EXCHANGE, AMERICAN STOCK EXCHANGE, OR
MIDWEST STOCK EXCHANGE.

16

 

FORM OF ELECTION TO PURCHASE

(To be Executed by the Holder if he Desires to Exercise

the Warrants Evidenced by the Warrant Certificate)

To CanArgo Energy Corporation:

     [The undersigned hereby irrevocably elects to exercise
                                         (                                        )
Warrants, evidenced by the within
Warrant Certificate for, and to purchase thereunder,                                                             
(                                        ) full shares of Common Stock issuable upon exercise of said
Warrants and delivery of $                     and payment of any applicable taxes.

  OR

     [The undersigned hereby irrevocably elects to convert
                                        
(                                        ) Warrants, evidenced by the within
Warrant Certificate, and to acquire Warrant Shares pursuant to the “Net Issue Conversion” provision
in Section 4 thereof, and, upon payment of any applicable taxes, to acquire Warrant Shares
thereunder.]

     The undersigned hereby warrants and represents that he/it is an “accredited investor” as
defined under Rule 501(a) of the Securities Act of 1933, as amended and accordingly the Warrants
being exercised and the securities deliverable upon exercise thereof have been registered under the
Act or are exempt from registration thereunder.

     Please register the certificates for such share as follows:

Please insert taxpayer identification

Or social security number (if any)                                        .

 

(Please print name)

 

(Please print address)

     If said number of Warrants shall not be all the Warrants evidenced by the within Warrant
Certificate, the undersigned requests that a new Warrant Certificate evidencing the Warrants not so
exercised be registered in the name of the undersigned at the following address and deliver the
Certificate to that address:

 

(Please print address)

(SIGNATURES CONTINUED ON FOLLOWING PAGE)

17

 

	 	 	 	 	 	 	 	 	 	 	 	 	 
	Dated:

	 	 	 	 	 	Signature:
			.	 		 
	 

	 	 
	 	 	 	 	 	 	 	 	 	 

NOTICE: The above signature must correspond with the name as written upon the face of the
within Warrant Certificate in every particular, without alteration or enlargement or any change
whatsoever. If the certificate representing the shares is to be registered in a name other than
that in which the within Warrant Certificate is registered, the signature of the holder hereof must
be guaranteed.

Signature
Guaranteed:                                                                     
            .

SIGNATURE MUST BE GUARANTEED BY A COMMERCIAL BANK OR MEMBER FIRM OF ONE OF THE FOLLOWING STOCK
EXCHANGES: NEW YORK STOCK EXCHANGE, PACIFIC COAST STOCK EXCHANGE, AMERICAN STOCK EXCHANGE, OR
MIDWEST STOCK EXCHANGE.

18exv10w3

 

Exhibit
10.3

CanArgo Energy Corporation

P.O. Box 291

St. Peter Port

Guernsey

British Isles

GY1 3RR

August 10, 2007

Robert L. Gipson

Thomas L. Gipson

Arthur L. Koenig

all c/o Ingalls & Snyder LLC

61 Broadway

New York

NY 10006

Dear Sirs:

     CanArgo Energy Corporation, a Delaware corporation (the “Company”) hereby offers you (the
“Offer”) the right to subscribe, subject to the terms and conditions hereof, for an aggregate of
two million five hundred thousand (2,500,000) units (“Units”), each Unit consisting of one share of
common stock, par value $.10 per share (“Common Stock”) of the Company (collectively, the “Shares”)
and two Common Stock purchase warrants expiring on August 31, 2009, each warrant (a “Warrant” and,
collectively, the “Warrants”) entitling the holder thereof to purchase one share of Common Stock at
an exercise price of one dollar ($1.00) per share, subject to adjustment, and to be in
substantially the form of Exhibit “A” attached hereto, for an aggregate purchase price per
Unit (“Purchase Price”) equal to one dollar ($1.00) per Unit or an aggregate of $2,500,000.00 in
the freely transferable currency of the United States of America payable by wire transfer of the
Purchase Price in immediately available funds for deposit in the following account:

	•	 	Bank

	•	 	ABA #:

	•	 	Swift:

	•	 	Address:

	•	 	Account Name:

	•	 	Account Number:

	•	 	Attention:

	•	 	Phone contact:

	•	 	Attention:

	•	 	Reference:            Purchase of CanArgo Units

returning an executed copy of this Agreement to the Company c/o Satterlee Stephens Burke & Burke
LLP, 230 Park Avenue, Suite 1130, New York, NY 10169, Attention: Peter A. Basilevsky, Esq.

     The Company has the unqualified and unconditional right to modify the terms of, reduce or
withdraw the Offer at any time prior to the receipt and collection of your subscription payment for
the Units.

 

 

In the event of a withdrawal of the Offer, your subscription for the Units will be rescinded
automatically and your subscription payment will be returned to you without interest. In the event
of a modification of the Offer, you will be given the opportunity to rescind your subscription for
the Units and, if you so elect, your subscription payment will be returned to you without interest.

     The Company shall use its commercially reasonable efforts to cause the Shares to be listed on
each securities exchange or other quotation service on which the Common Stock is then listed.

     By your acceptance of the Offer you hereby represent and warrant to and agree with the
Company:

          1. That you are an “accredited investor,” as that term is defined in Rule 501(a) of Regulation
D promulgated under Section 4(2) of the Securities Act of 1933, as amended (the “Act”). You
acknowledge that the Units, the Shares, the Warrants and the shares of Common Stock issuable upon
exercise of the Warrants (“Warrant Shares” and together with the Units, the Shares and the
Warrants, collectively, the “Securities”) have not been registered under the Act or any applicable
state or foreign securities or “blue sky” laws (the Act and such other laws being collectively
referred to herein as “Securities Laws”). Either alone or with your professional representatives
and advisors who are unaffiliated with the Company and who are not compensated, directly or
indirectly, by the Company or any affiliate or selling agent of the Company (“Representatives”),
you have sufficient knowledge and experience in business and financial matters to be capable of
evaluating the merits and risks of an investment in the Securities and to protect your own interest
in connection with the purchase of the Securities. You have the financial ability (A) to bear the
economic risk of an investment in the Securities; (B) to hold the Securities for an indefinite
period of time; and (C) currently to afford a complete loss of your investment in the Securities
without experiencing any undue financial difficulties, and your commitments to speculative
investments (including this investment in the Securities, which is deemed to be subject to numerous
risks) are reasonable in relation to your net worth and annual income.

          2. You have the full legal capacity, power and authority to execute, deliver and perform this
Agreement and that this Agreement constitutes a legal, valid and binding obligation enforceable
against you in accordance with its terms, except as such enforceability may be limited by (A)
applicable bankruptcy, insolvency, reorganization, moratorium, or other similar laws affecting the
enforcement of creditors’ rights generally and (B) general principles of equity (regardless of
whether such enforceability is considered in a proceeding in equity or at law).

          3. You are purchasing your Securities, for your own account, for investment and not with a
view to the distribution thereof or any interest therein, provided that any disposition of the
Securities shall be in compliance with all applicable Securities Laws.

          4. You acknowledge that the offer and sale of the Securities was not accomplished by the
publication of any advertisement or other form of general solicitation.

          5. You understand that (A) an investment in the Securities is suitable only for an investor
who is able to bear the economic consequences of losing his entire investment; (B) an investment in
the Securities is speculative and involves a high degree of risk of loss and you have reviewed with
management of the Company and understand the risks associated with your investment; (C) there are
substantial restrictions on the transferability of, and there will be no public market for the
Units or the Warrants, and accordingly, absent registration of the Shares or the Warrant Shares
under applicable Securities Laws, including, without limitation, the Act or the availability of an
exemption from the registration requirements of applicable Securities Laws it may not be possible
to liquidate your investment in the Securities; and (D) while the Company shall use its best
efforts to register the Shares and the Warrant Shares (but not the Units or Warrants) under the
Act, the Company is under no obligation to take any such action or to make an exemption from
registration under Rule 144 under the Act to be available for the resale of any of the Securities.

 - 2 - 

 

          6. You acknowledge that this transaction has not been reviewed or scrutinized by the United
States Securities and Exchange Commission (“SEC”) or by any administrative agency charged with the
administration of any Securities Laws, and that no such agency has passed on or made any
recommendation or endorsement of the Shares.

          7. In making the decision to purchase the Securities, you have relied solely on independent
investigation made by you or your Representatives, if any; you and your Representatives: (A) have
been given access to all financial, business, or other information you or they have requested
relating to the Company, including, without limitation, the information on public file with the
SEC; (C) have been given the opportunity to ask questions of, and to receive answers from, persons
acting on behalf of the Company concerning the Company, its business, assets, financial condition
and the terms and conditions of the Offer; and (D) have been given the opportunity to obtain any
additional information, to the extent such persons possess such information or can obtain it
without unreasonable effort or expense, which you or such Representatives deem necessary to
evaluate the investment in the Securities. In particular, you acknowledge that you are familiar
with the information, including, without limitation, the risk factors associated with an investment
in the Company’s securities, set forth in the Company’s Annual Report of Form 10-K for the fiscal
year ended December 31, 2006 and the Quarterly Reports on Form 10-Q for the fiscal quarters ended
March 31, 2007 and June 30, 2007.

          8. You acknowledge that no representations, warranties, or guaranties have been made by the
Company, its employees or its agents, or by any other person, expressly or by implication, with
respect to (A) the approximate length of time that you will be required to remain the owner of the
Securities, (B) the revenues that can be attributable to the Company’s interests in its oil and gas
properties, or (C) the amount and quality of any oil and gas reserves, or (D) the results of any
property acquisition, exploration, drilling, appraisal or development efforts of the Company, rates
of production, oil and gas prices, or the effect of taxes or governmental regulations or political
conditions in the Georgia, any one or more of which may adversely impact the results of an
investment in the Securities, or (E) the prospective financial condition of the Company, which you
acknowledge may call into question its continued viability as a going concern, or (F) the amount or
type of consideration, profit or loss to be realized, if any, as a result of the investment in the
Securities.

     The representations, warranties, acknowledgments and agreements set forth in this Agreement
shall survive the purchase of the Securities and your death or disability, and shall inure to the
benefit of the Company and its successors and assigns and shall be binding upon you, your heirs,
legal representatives and assigns.

     The Shares and the Warrants shall be immediately separable upon issuance. The Company will
place an appropriate stop transfer instruction with respect to the Securities in its stock records
and a restrictive legend on the certificates evidencing the Shares, the Warrants and the Warrant
Shares as required by applicable Securities Laws, including a legend in substantially the following
form:

THE SECURITIES EVIDENCED BY THIS CERTIFICATE HAVE NOT BEEN REGISTERED UNDER THE
UNITED STATES SECURITIES ACT OF 1933, AS AMENDED, OR ANY OTHER APPLICABLE
SECURITIES LAWS AND MAY NOT BE OFFERED, SOLD, TRANSFERRED OR OTHERWISE DISPOSED OF
EXCEPT IN COMPLIANCE WITH SUCH SECURITIES LAWS.

     You agree to indemnify and hold harmless the Company, its officers and directors, and any of
its affiliates, associates, agents, attorneys or employees from and against any and all claims,
losses, damages, or liabilities (including, without limitation, costs and reasonable attorneys’
fees) attributable to or arising out of a breach of any representation, warranty, acknowledgment or
agreement made by you in this Agreement.

 - 3 - 

 

This Agreement shall be governed by and construed in accordance with the laws of the State of
Delaware.

     This Agreement may not be amended or modified except in a writing signed by both parties
hereto and together with the form of Warrant contains the entire understanding of the parties
hereto with respect to subject matter hereof and thereof. No waiver of any provision of this
Agreement shall be deemed to, or shall, operate as a waiver of any other provision, whether or not
similar, nor shall any waiver constitute a continuing waiver.

     Any notice or other written communication required or permitted to be given under this
Agreement shall be in writing and delivered by personal delivery or by first class certified U.S.
mail, postage prepaid, or by internationally recognized air courier and addressed: if to the
Company at its address first above written; and if to you at your address which you should complete
below your signature on the signature page hereof, or to such other address as either party hereto
may notify the other in accordance herewith.

     Each party hereto shall bear its own expenses in connection with the offer, sale and purchase
of the Securities and the execution, delivery and performance of this Agreement. This Agreement is
binding upon and shall inure to the benefit of the parties hereto and their respective heirs, legal
representatives, successors in interest and assigns and may not be assigned without the prior
written consent of the Company.

     If the foregoing accurately reflects the terms and conditions of the Offer and your acceptance
thereof, kindly execute and complete the enclosed copy of this letter in the space provided
therefor below and return the executed copy together with your payment of the Purchase Price. The
Company will issue you a certificate evidencing the Shares and Warrants as soon as practicable
after receipt of this Subscription Agreement and collection of your subscription payment.

	 	 	 	 	 
	 	Very truly yours,

CANARGO ENERGY CORPORATION

 	 
	 	By:  	 	 
	 	 	Vincent McDonnell, President 	 
	 	 	 	 

 - 4 - 

 

	 	 	 	 	 

I HEREBY AGREE AND ACCEPT the offer to subscribe for 1,000,000 Units at a purchase price of $1.00
per Unit, as of the date first above written

	 	 	 	 	 
	 

	 	 	 	 
	 

	 	Signature	 	 
	 
	 	 	 	 
	 

	 	PLEASE INSERT YOUR ADDRESS BELOW:	 	 
	 
	 	 	 	 
	 

	 	Robert L Gipson	 	 
	 

	 	c/o Ingalls & Snyder LLC	 	 
	 

	 	61 Broadway, New York, NY 10006	 	 
	 
	 	 	 	 
	 

	 	054 36 6214	 	 
	 

	 	(Kindly Insert Your Tax ID or	 	 
	 

	 	Social Security Number, if any)	 	 

I HEREBY AGREE AND ACCEPT the offer to subscribe for 750,000 Units at a purchase price of $1.00 per
Unit, as of the date first above written

	 	 	 	 	 
	 

	 	 	 	 
	 

	 	Signature	 	 
	 
	 	 	 	 
	 

	 	PLEASE INSERT YOUR ADDRESS BELOW:	 	 
	 
	 	 	 	 
	 

	 	Thomas L Gipson	 	 
	 

	 	c/o Ingalls & Snyder LLC	 	 
	 

	 	61 Broadway, New York, NY 10006	 	 
	 
	 	 	 	 
	 

	 	137 32 9815	 	 
	 

	 	(Kindly Insert Your Tax ID or	 	 
	 

	 	Social Security Number, if any)	 	 

I HEREBY AGREE AND ACCEPT the offer to subscribe for 750,000 Units at a purchase price of $1.00 per
Unit, as of the date first above written

	 	 	 	 	 
	 

	 	 	 	 
	 

	 	Signature	 	 
	 
	 	 	 	 
	 

	 	PLEASE INSERT YOUR ADDRESS BELOW:	 	 
	 
	 	 	 	 
	 

	 	Arthur L. Koenig	 	 
	 

	 	c/o Ingalls & Snyder LLC	 	 
	 

	 	61 Broadway, New York, NY 10006	 	 
	 
	 	 	 	 
	 

	 	324 34 1543	 	 
	 

	 	(Kindly Insert Your Tax ID or	 	 
	 

	 	Social Security Number, if any)	 	 

 - 5 - 

 

EXHIBIT “A”

EXHIBIT

FORM OF WARRANT

THE WARRANTS REPRESENTED HEREBY AND THE COMMON STOCK ISSUABLE UPON EXERCISE OF THE WARRANTS
(COLLECTIVELY, THE “WARRANT SECURITIES”), HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF
1933, AS AMENDED (THE “ACT”), OR REGISTERED OR QUALIFIED UNDER THE SECURITIES LAWS OF ANY OTHER
JURISDICTION IN RELIANCE UPON EXEMPTIONS FROM SUCH REGISTRATION AFFORDED UNDER THE ACT AND
APPLICABLE SECURITIES LAWS OF OTHER JURISDICTIONS. THE WARRANT SECURITIES REPRESENTED HEREBY MAY
NOT BE OFFERED, SOLD, HYPOTHECATED OR OTHERWISE TRANSFERRED UNLESS REGISTERED UNDER THE ACT OR AN
EXEMPTION FROM THE REGISTRATION REQUIREMENTS OF THE ACT IS APPLICABLE (IN WHICH CASE THE ISSUER
SHALL HAVE RECEIVED AN OPINION OF COUNSEL IN FORM AND SUBSTANCE REASONABLY SATISFACTORY TO THE
ISSUER TO SUCH EFFECT) AND THE PROVISIONS OF ALL OTHER APPLICABLE SECURITIES LAWS ARE OBSERVED.

CANARGO ENERGY CORPORATION

Incorporated Under the Laws of the State of Delaware

No. [•]                     [•] common Stock Purchase Warrants

CERTIFICATE FOR COMMON STOCK

PURCHASE WARRANTS

1.
Warrant, This Warrant Certificate certifies that [•]                      or
registered assigns (the “Registered Holder”), is the registered owner of the above indicated number
of Warrants expiring on the Expiration Date, as hereinafter defined. One (1) Warrant entitles the
Registered Holder to purchase one (1) share of the common stock, $.10 par value (a “Share”), of
CanArgo Energy Corporation, a Delaware corporation (the “Company”), from the Company at a purchase
price of $1.00 (the “Exercise Price”) at any time during the Exercise Period, as hereinafter
defined, upon surrender of this Warrant Certificate with the exercise form hereon duly completed
and executed and accompanied by payment of the Exercise Price at the principal office of the
Company.

     Upon due presentment for transfer or exchange of this Warrant Certificate at the principal
office of the Company, a new Warrant Certificate or Warrant Certificates of like tenor and

 

 

evidencing in the aggregate a like number of Warrants shall be issued in exchange for this Warrant
Certificate, subject to the limitations provided herein, upon payment of any tax or governmental
charge imposed in connection with such transfer. Subject to the terms hereof the Company shall
deliver Warrant Certificates in required whole number denominations to Registered Holders in
connection with any transfer or exchange permitted hereunder.

     This Warrant is issued pursuant to the provisions of that certain Subscription Agreement dated
[•], 2007 by and among the Company, Robert L. Gipson, Thomas L. Gipson and Arthur L Koenig.

2. Restrictive Legends. Each Warrant Certificate shall bear legends substantially in the
form of the legends that appear at the beginning of this Warrant Certificate. Each certificate
representing Shares issued upon exercise of a Warrant, unless such Shares are then registered under
the Securities Act of 1933, as amended (the “Act”), shall bear a legend in substantially the
following form:

“THE SHARES REPRESENTED BY THIS CERTIFICATE HAVE NOT BEEN REGISTERED UNDER THE SECURITES ACT OF
1933, AS AMENDED (THE“ACT”) OR REGISTERED OR QUALIFIED UNDER THE SECURITIES LAWS OF ANY OTHER
JURISDICTION IN RELIANCE UPON EXEMPTIONS FROM SUCH REGISTRATION AFFORDED UNDER THE ACT AND SUCH
APPLICABLE LAWS OF OTHER JURISDICTIONS. THE SHARES REPRESENTED HEREBY MAY NOT BE OFFERED, SOLD,
HYPOTHECATED OR OTHERWISE TRANSFERRED UNLESS REGISTERED UNDER THE ACT OR AN EXEMPTION FROM THE
REGISTRATION REQUIREMENTS UNDER THE ACT IS APPLICABLE (IN WHICH CASE THE ISSUER SHALL HAVE RECEIVED
AN OPINION OF COUNSEL IN FORM AND SUBSTANCE REASONABLY SATISFACTORY TO THE ISSUER TO SUCH EFFECT)
AND THE PROVISIONS OF ALL OTHER APPLICABLE SECURITIES LAWS ARE OBSERVED.”

Each such certificate representing Shares may also bear such legend relating to the issuance of
such Shares pursuant to any applicable securities laws as counsel for the Company shall reasonably
deem appropriate.

3. Exercise. Subject to the terms hereof, the Warrants, evidenced by this Warrant
Certificate, may be exercised at the Exercise Price in whole or in part at any time during the
period (the “Exercise Period”) commencing on [•] 2007 and terminating at the close of business on
31 August 2009 (the “Expiration Date”). The Exercise Period may also be extended by the Company’s
Board of Directors.

     A Warrant shall be deemed to have been exercised in immediately prior to the close of business
on the date (the “Exercise Date”) of the surrender to the Company at its principal offices of this
Warrant Certificate with the exercise form attached hereto executed by the Registered Holder and
accompanied by payment to the Company, in cash or by official bank or certified check, of an amount
equal to the aggregate Exercise Price, in lawful money of the United States of America.

     The person entitled to receive the Shares issuable upon exercise of a Warrant or Warrants
(“Warrant Shares”) shall be treated for all purposes as the holder of such Warrant Shares as of the
close of business on the Exercise Date. The Company shall not be obligated to issue any fractional

 - 2 - 

 

share interests in Warrant Shares issuable or deliverable on the exercise of any Warrant or script
or cash with respect thereto, but, if Company elects not to issue a fractional share, the Company
will pay a cash adjustment in respect of any fraction of a Warrant Share which would otherwise be
issuable in an amount equal to the same fraction of the amount by which the market price of a Share
on the date of exercise exceeds the Exercise Price, such market price to be determined in good
faith by the Board of Directors of the Company. If more than one Warrant shall be exercised at one
time by the same Registered Holder, the number of full Shares which shall be issuable on exercise
thereof shall be computed on the basis of the aggregate number of full shares issuable on such
exercise.

     Promptly, and in any event within ten business days after the Exercise Date, the Company shall
cause to be issued and delivered to the person or persons entitled to receive the same, a
certificate or certificates for the number of Warrant Shares deliverable on such exercise.

     The Company may deem and treat the Registered Holder of the Warrants at any time as the
absolute owner thereof for all purposes, and the Company shall not be affected by any notice to the
contrary. The Warrants shall not entitle the Registered Holder thereof to any of the rights of
shareholders or to any dividend declared on the Shares unless the Registered Holder shall have
exercised the Warrants and thereby purchased the Warrant Shares prior to the record date for the
determination of holders of Shares entitled to such dividend or other right.

4. Net Issue Conversion. Notwithstanding anything in this Warrant to the contrary, the
Registered Holder hereof may, subject to the prior concurrence of the Company, in lieu of
exercising this Warrant in the manner provided above in Section 3, elect to convert this Warrant
into Warrant Shares equal in number to the value of the exercised Warrants by so indicating on the
Form of Election to Purchase attached hereto, in which event the Registered Holder shall receive a
number of Warrant Shares equal to following shall occur.

          [(X multiplied by (Y minus Z)] divided by Y;

          where:

          X = Number of Warrants Converted

          Y = Fair Market Value of one share of Common Stock

          Z = Exercise Price

For purposes of the above, “Fair Market Value” shall equal the closing price for the Company’s
Common Stock on the Exercise Date, as reported on the AMEX or, if the Common Stock is not then
listed for trading on the AMEX, then the dollar equivalent of such closing price as reported on the
Oslo Stock Exchange on the Exercise Date.

5. Reservation of Shares and Payment of Taxes. The Company covenants that it will at
all times reserve and have available from its authorized Common Stock such number of shares as
shall then be issuable on the exercise of outstanding Warrants. The Company covenants that all
Warrant Shares which shall be so issuable shall be duly and validly issued, fully paid and
nonassessable, and free from all taxes, liens and charges with respect to the issue thereof.

 - 3 - 

 

     The Registered Holder shall pay all documentary, stamp or similar taxes and other government
charges that may be imposed with respect to the issuance, transfer or delivery of any Warrants and
Warrant Shares on exercise of the Warrants. In the event the Warrants or Warrant Shares are to be
delivered in a name other than the name of the Registered Holder of the Warrant Certificate, no
such delivery shall be made unless the person requesting the same has paid the amount of any such
taxes or charges incident thereto.

6. Registration of Transfer. The Warrant Certificates may be transferred in whole or
in part, provided any such transfer complies with all applicable foreign and United States federal
and state securities laws and, if requested by the Company, the Registered Holder delivers to the
Company an opinion of counsel to that effect, in form and substance reasonably acceptable to the
Company. Warrant Certificates to be transferred shall be surrendered to the Company at its
principal office. The Company shall execute, issue and deliver in exchange therefore the Warrant
Certificate or Certificates which the Registered Holder making the transfer shall be entitled to
receive.

     The Company shall keep transfer books at its principal office which shall register Warrant
Certificates and the transfer thereof. On due presentment of any Warrant Certificate for
registration of transfer at such office, the Company shall execute, issue and deliver to the
transferee or transferees a new Warrant Certificate or Certificates representing an equal aggregate
number of Warrants. All Warrant Certificates presented for registration of transfer or exercise
shall be duly endorsed or be accompanied by a written instrument or instruments of transfer in form
and substance satisfactory to the Company. The Company may require payment of a sum sufficient to
cover any tax or other government charge that may be imposed in connection therewith.

     All Warrant Certificates so surrendered, or surrendered for exercise, or for exchange in case
of mutilated Warrant Certificates, shall be promptly cancelled by the Company and thereafter
retained by the Company until the Expiration Date. Prior to due presentment for registration of
transfer thereof the Company may treat the Registered Holder of any Warrant Certificate as the
absolute owner thereof (notwithstanding any notations of ownership or writing thereon made by
anyone other than the Company), and the Company shall not be affected by any notice to the
contrary.

7. Loss or Mutilation. On receipt by the Company of evidence satisfactory as to the
ownership of and the loss, theft, destruction or mutilation of this Warrant Certificate, the
Company shall execute and deliver, in lieu thereof a new Warrant Certificate representing an equal
aggregate number of Warrants. In the case of loss, theft or destruction of any Warrant Certificate,
the individual requesting issuance of a new Warrant Certificate shall be required to indemnify the
Company in an amount satisfactory to the Company. In the event a Warrant Certificate is mutilated,
such Certificate shall be surrendered and cancelled by the Company prior to delivery of a new
Warrant Certificate. Applicants for a new Warrant Certificate shall also comply with such other
reasonable regulations as the Company may prescribe.

8. Adjustment of Shares. The number and kind of securities issuable upon exercise of a
Warrant or to be delivered upon the redemption of Warrants hereunder shall be subject to adjustment
from time to time upon the happening of certain events (“Adjustment Event”), as follows:

 - 4 - 

 

     (a) If the Company shall, at any time prior to the complete exercise of the Warrants evidenced
hereby, declare or pay to the holders of its outstanding Shares, a dividend payable in any kind of
shares of stock or other securities of the Company, or in property, or otherwise than in cash, the
Registered Holder upon thereafter exercising the Warrants evidenced hereby as herein provided shall
be entitled to receive for the Exercise Price, in addition to one Warrant Share, such additional
share or shares of stock or scrip representing fractions of a share or other securities or property
as the Registered Holder would have received in the form of such dividend if he had been the holder
of record of such Warrant Share on the record date for the determination of common stockholders
entitled to receive such dividend.

     (b) If the Company shall, while any Warrants evidenced hereby remain in force, effect a
recapitalization of such character that the Shares covered hereby shall be changed into or become
exchangeable for a larger or smaller number of shares, then thereafter, the number of Shares which
the Registered Holder shall be entitled to purchase hereunder, shall be increased or decreased, as
the case may be, in direct proportion to the increase or decrease in the number of Shares of the
Company by reason of such recapitalization, and the Exercise Price (per Share) shall in the case of
an increase in the number of Shares be proportionately reduced, and in the case of a decrease in
the number of shares be proportionately increased.

     (c) In case of any reorganization of the Company (or any other corporation the stock or other
securities of which are at the time receivable upon exercise of a Warrant) or in case the Company
(or any such other corporation) shall merge into or with or consolidate with another corporation or
convey all or substantially all of its assets to another corporation or enter into a business
combination of any form as a result of which the Shares or other securities receivable upon
exercise of a Warrant are converted into other stock or securities of the same or another
corporation, then and in each such case, the Registered Holder of a Warrant, upon exercise of the
purchase right at any time after the consummation of such reorganization, consolidation, merger,
conveyance or combination, shall be entitled to receive, in lieu of the Shares or other securities
to which such Registered Holder would have been entitled had he exercised the purchase right
immediately prior thereto, such stock and securities which such Registered Holder would have owned
immediately after such event with respect to the Shares and other securities for which a Warrant
may have been exercised immediately before such event had the Registered Holder exercised the
Warrant immediately prior to such event.

     (d) In case the Company shall at any time prior to the exercise of a Warrant evidenced hereby
make any distribution of its assets to holders of its Shares by way of a liquidating or partial
liquidating dividend or by way of a return of capital, or other than as a dividend payable out of
earnings or any surplus legally available for dividends under the laws of the state of its
incorporation, then the Registered Holder upon thereafter exercising such Warrant as herein
provided after the date of record for the determination of those holders of Shares entitled to such
distribution of assets, shall be entitled to receive for the Exercise Price, in addition to a
Warrant Share, the amount of such assets (or at the option of the Company, a sum equal to the value
thereof at the time of such distribution to holders of Shares as such value is determined by the
Board of Directors of the Company in good faith) which would have been payable to the Registered
Holder had he been the holder of record of such Warrant Share receivable upon exercise of such
Warrant on the record date for the determination of those entitled to such distribution.

 - 5 - 

 

     The Company shall mail to the holder of this Certificate at least twenty (20) days prior to
any Adjustment Event a notice specifying the date on which any such Adjustment Event is to occur
together with a description thereof.

     In each case of an adjustment in the Shares or other securities receivable upon the exercise
of a Warrant, the Company shall promptly notify the Registered Holder of such adjustment. Such
notice shall set forth the facts upon which such adjustment is based.

9. Reduction in Exercise Price .

     The Company’s Board of Directors may, at its sole discretion, reduce the Exercise Price of the
Warrants in effect at any time either for the life of the Warrants or any shorter period of time
determined by the Company’s Board of Directors. The Company shall promptly notify the Registered
Holders of any such reduction in the Exercise Price. Notwithstanding the foregoing, in no event
shall the number of Shares issuable to the holders of the Warrants pursuant to this Section 9 cause
the holders of the Warrants collectively to own in excess of 19.9% of the outstanding Common Stock
of the Company as at the date of the Amendment, Consent and Waiver unless the Company has obtained
the prior approval of its stockholders as required by Section 713 of the AMEX Company Guide as in
effect from time to time, provided, however, that the Company shall use commercially reasonable
efforts to diligently seek to obtain such approval of its stockholders.

10. Notices. All notices, demands, elections, requests and communications provided for
hereunder shall be in writing and sent

     (a) by telefacsimile if the sender on the same day sends a confirming copy of such notice by a
recognized overnight delivery service (charges prepaid), or

     (b) by registered or certified mail with return receipt requested (postage prepaid), or

     (c) by a recognized overnight delivery service (with charges prepaid). Any such notice must
be sent:

          (i) if to the Registered Holder or its nominee, to the Registered Holder or its nominee at the
address of the Registered Holder as set forth on the books maintained by the Company, or at such
other address as such Registered Holder or nominee shall have specified to the Company in writing,

          (ii) if to the Company, to the Company at its principal executive office to the attention of
Chief Executive Officer, or at such other address as the Company shall have specified to the holder
of each Warrant in writing.

     Notices under this Section 10 will be deemed given only when actually received.

11. General Provisions. This Warrant Certificate shall be construed and enforced in
accordance with, and governed by, the laws of the State of Delaware, where the Company maintains
its registered offices. Except as otherwise expressly stated herein, time is of the essence in
performing hereunder. The headings of this Warrant Certificate are for convenience in reference
only and shall not limit or otherwise affect the meaning hereof.

 - 6 - 

 

     IN WITNESS WHEREOF, the Company has caused this Warrant Certificate to be duly executed as of
the                      day of                     , 2007.

	 	 	 	 	 	 	 
	 	 	CanArgo Energy Corporation	 	 
	 
	 	 	 	 	 	 
	 

	 	By:	 	 	 	 
	 

	 	 	 	 	 	 
	 

	 	Title:	 	 	 	 
	 

	 	 	 	 	 	 

 - 7 - 

 

CanArgo Energy Corporation

     The following abbreviations, when used in the inscription on the face of this instrument,
shall be construed as though they were written out in full according to applicable laws or
regulations:

	 	 	 	 
	 	 	 	 
	TEN COM — as tenants in common

	 	 	UNIF GIFT MIN ACT- Custodian
	TEN ENT — as tenants by the entireties
	 	 	 
	JR
TEN — as joint tenants with right of survivorship and not as tenants in common

	 	 	                                        
	

	 	 	(Cust)            (Minor)
	

	 	 	under Uniform Gifts
	 

	 	 	to Minor Act                     .
	 

	 	 	               (State)
	 	 	 	 
	 

Additional abbreviations may also be used though not in the above list.

FORM OF ASSIGNMENT

(To be Executed by the Registered Holder if He

Desires to Assign Warrants Evidenced by the

Within Warrant Certificate)

     FOR VALUE RECEIVED                                          hereby sells,
assigns and transfers (                    ) Warrants, evidenced by the within Warrant Certificate, and does
hereby irrevocably constitute and appoint                      Attorney to transfer the said
Warrants evidenced by the within Warrant Certificates on the books of the Company, with full power
of substitution.

	 	 	 	 	 	 	 	 	 	 	 	 	 
	Dated: 

	 	.		 		 	 	.	 	 	 
	 

	 	 
	 	 	 	 	 	 	 	 	 	 
	

	 	 	 	 	 		 	Signature	 	 	 	 

Notice: The above signature must correspond with the name as written upon the Face of the
Warrant Certificate in every particular, without alteration or enlargement or any change
whatsoever.

Signature Guaranteed:

SIGNATURE MUST BE GUARANTEED BY A COMMERCIAL BANK OR MEMBER FIRM OF ONE OF THE FOLLOWING STOCK
EXCHANGES: NEW YORK STOCK EXCHANGE, PACIFIC COAST STOCK EXCHANGE, AMERICAN STOCK EXCHANGE, OR
MIDWEST STOCK EXCHANGE.

 - 8 - 

 

FORM OF ELECTION TO PURCHASE

(To be Executed by the Holder if he Desires to Exercise

the Warrants Evidenced by the Warrant Certificate)

To CanArgo Energy Corporation:

     [The
undersigned hereby irrevocably elects to exercise                                          (                                        ) Warrants, evidenced by the within
Warrant Certificate for, and to purchase thereunder,                     
(                    ) full shares of Common Stock issuable upon exercise of said
Warrants and delivery of
$                     and payment of any applicable taxes.

  OR

     [The
undersigned hereby irrevocably elects to convert                                          (                                        ) Warrants, evidenced by the within
Warrant Certificate, and to acquire Warrant Shares pursuant to the “Net Issue Conversion” provision
in Section 4 thereof, and, upon payment of any applicable taxes, to acquire Warrant Shares
thereunder.]

     The undersigned hereby warrants and represents that he/it is an “accredited investor” as
defined under Rule 501(a) of the Securities Act of 1933, as amended and accordingly the Warrants
being exercised and the securities deliverable upon exercise thereof have been registered under the
Act or are exempt from registration thereunder.

     Please register the certificates for such share as follows:

Please insert taxpayer identification

Or social security number (if any)                                        .

 

(Please print name)

 

(Please print address)

     If said number of Warrants shall not be all the Warrants evidenced by the within Warrant
Certificate, the undersigned requests that a new Warrant Certificate evidencing the Warrants not so
exercised be registered in the name of the undersigned at the following address and deliver the
Certificate to that address:

 

(Please print address)

(SIGNATURES CONTINUED ON FOLLOWING PAGE)

 - 9 - 

 

	 	 	 	 	 	 	 	 	 	 	 	 	 
	Dated:

	 	 	 	 	 	Signature:	 	 	.	 	 	 
	 

	 	 
	 	 	 	 	 	 	 	 	 	 

NOTICE: The above signature must correspond with the name as written upon the face of the
within Warrant Certificate in every particular, without alteration or enlargement or any change
whatsoever. If the certificate representing the shares is to be registered in a name other than
that in which the within Warrant Certificate is registered, the signature of the holder hereof must
be guaranteed.

Signature Guaranteed:                                         .

SIGNATURE MUST BE GUARANTEED BY A COMMERCIAL BANK OR MEMBER FIRM OF ONE OF THE FOLLOWING STOCK
EXCHANGES: NEW YORK STOCK EXCHANGE, PACIFIC COAST STOCK EXCHANGE, AMERICAN STOCK EXCHANGE, OR
MIDWEST STOCK EXCHANGE.

 - 10 -

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