8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT
Pursuant to Section 13 OR 15(d) of The
Securities Exchange Act of 1934

Date of Report (Date of earliest event reported) January 24, 2007

CANARGO ENERGY CORPORATION

(Exact name of registrant as specified in its charter)

Delaware	001-32145	91-0881481
(State or other jurisdiction	(Commission File Number)	(I.R.S. Employer
of incorporation)		Identification No.)

CanArgo Energy Corporation
P.O. Box 291, St. Peter Port
Guernsey, British Isles	GY1 3RR
(Address of principal executive offices)	(Zip Code)

Registrant’s telephone number, including area code (44) 1481 729 980

(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

o Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

o Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

o Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

o Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

TABLE OF CONTENTS

EXHIBIT 10.1

EXHIBIT 10.2

EXHIBIT 10.3

EXHIBIT 10.4

EXHIBIT 10.5

The matters discussed in this Current Report on Form 8-K include forward looking statements, which are subject to various risks, uncertainties and other factors that could cause actual results to differ materially from the results anticipated in such forward looking statements. Such risks, uncertainties and other factors include the uncertainties inherent in oil and gas development and production activities, the effect of actions by third parties including government officials, fluctuations in world oil prices and other risks detailed in the Company’s Reports on Forms 10-K and 10-Q filed with the Securities and Exchange Commission. The forward-looking statements are intended to help shareholders and others assess the Company’s business prospects and should be considered together with all information available. They are made in reliance upon the safe harbor provisions of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended. The Company cannot give assurance that the results will be attained.

Section- Registrant’s Business and Operations

Item 1.01 Entry into a Material Definitive Agreement

On February 15, 2007, the conditions to closing the recent financing by Tethys Petroleum Limited, a company incorporated under the laws of the Bailiwick of Guernsey and a wholly owned indirect subsidiary of CanArgo (“TPL”) were satisfied and accordingly TPL issued 33,500,575 ordinary shares of £0.01 each to a limited group of private investors and 1,173,815 ordinary shares of £0.01 each to certain agents as commission representing in aggregate approximately 33% of the issued and outstanding share capital of TPL for approximately US$17.3 million in gross proceeds (the “TPL Financing”). The net proceeds from the TPL Financing in the amount of approximately US$16.8 million will be used to fund the operations of TPL and its wholly owned subsidiary Tethys Kazakhstan Limited, a company incorporated under the laws of the Island of Guernsey (“TKL”).

Investment Agreement. TPL and its parent CanArgo Limited, an indirect wholly owned subsidiary of CanArgo incorporated under the laws of the Bailiwick of Guernsey (“CanArgo Limited”) entered into a conditional investment agreement with its new investors in connection with the TPL Financing on January 24, 2007 (the “Agreement”). Pursuant to the Agreement, TPL issued on February 15, 2007 an aggregate of approximately 34.7 million ordinary shares of £0.01 each in the capital of TPL to a limited group of private investors (the “Investors”), representing approximately 33% of the issued and outstanding share capital of TPL, for a subscription price of US$0.50 per ordinary share. TPL received gross proceeds of approximately US$17.3 million pursuant to the TPL Financing. Included in the ordinary shares issued in connection with the TPL Financing were approximately 1.1 million ordinary shares issued to certain agents as commission.

Under the terms of the Agreement, TPL is subject to certain positive and negative covenants which require the consent of the holders of not less than 75% of the ordinary shares in issue in TPL from time to time (the “Shareholder Majority”). These covenants include respectively (a) providing current financial and business information regarding TPL and rights of inspection; CanArgo Limited appointing an independent board and TPL appointing and retaining an auditor of appropriate standing and experience; conducting its business and affairs in a manner consistent with the Agreement and the articles of associate of TPL; maintenance of insurance and accounting records; the business of TPL is to be exclusively exploration, production, processing, transportation, marketing and selling of crude oil, oil products, natural gas, natural gas liquids and related products; the business of TPL other than routine day to day business is to be transacted by the TPL board; and (b) restrictions on: creating security interests or liens over TPL property and assets (except specified exemptions or those created in the ordinary course of business); sale of the business, assets or a substantial part of TPL other than in the ordinary course of business; altering the authorized or issued share capital of TPL or the granting of any options or like rights to acquire any share capital of TPL (other than specified permitted issuances); disposal of the

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business or all or part of the share capital of TPL or any interest in TPL or any member of the TPL group; altering the constitutional documents of TPL; taking steps to have a member of the TPL group wound up or put into administration; capitalizing profits of TPL or sums standing to the credit of the share premium account or capital redemption reserve or any other reserve of TPL; entering a contract to purchase any of its share capital or passing a resolution to approve such a contract.

Certain basic warranties are provided in the Agreement (i) to TPL by the Investors; and (ii) to the Investors by CanArgo Limited and TPL. The Agreement also outlined certain provisions in relation to the conduct of the TPL business and provided that the intention of TPL, CanArgo Limited and the Investors is to use their reasonable endeavors to work towards a listing of TPL as soon as practicable, subject to (i) the financial and commercial circumstances of TPL, and the pre-money valuation of TPL prior to the listing being acceptable to the Shareholder Majority; and (ii) the terms and amounts (if any) raised by TPL on such listing being acceptable to the board of TPL.

The Agreement provides that in the event of a deadlock TPL will invite sealed bids from all of the parties to the Agreement to buy TPL with the highest bidder being entitled to buy out the remaining parties at the price specified in their bid or in the event that there are no bids TPL shall be wound up and the assets shall be distributed to the parties in proportion to their ownership at that time. The Agreement terminates in the event of (i) a listing of TPL; (ii) any person acquiring 100% of the share capital of TPL; (iii) an insolvency event of TPL; and (iv) in respect of an individual shareholder upon such shareholder ceasing to hold shares in TPL.

The Agreement is governed by English law and all parties subject themselves to the jurisdiction of the courts of England and Wales.

Senior Secured Notes. On July 25, 2005, CanArgo entered into a Note Purchase Agreement (“Senior Secured Note Purchase Agreement”) with a group of private investors (the “Senior Secured Note Purchasers”). Payment of all amounts due and payable under the Senior Secured Note Purchase Agreement was secured principally by (i) a security interest in all of CanArgo’s assets pursuant to a security agreement dated as of July 25, 2005, among CanArgo and Ingalls & Snyder Value Partners, L.P. together with other Purchasers (the “ Senior Secured Note Security Agreement”); (ii) guarantees pursuant to a guaranty agreement dated July 25, 2005 (the “ Senior Secured Note Guaranty Agreement”) from TPL and other guarantors; and (iii) a pledge of all of the outstanding capital stock of TPL (the “Tethys Pledge”). TKL subsequently entered into a supplemental agreement dated as of March 3, 2006 (the “ Senior Secured Note Supplemental Agreement”) pursuant to which TKL became a guarantor under the Senior Secured Note Guaranty Agreement.

In connection with the TPL Financing, on February 9, 2007, CanArgo entered into an amendment, consent, waiver and release agreement with the Senior Secured Note Purchasers to amend the Note Senior Secured Note Purchase Agreement, the Senior Secured Note Guaranty Agreement and Senior Secured Note Security Agreement and terminate the Senior Secured Note Supplemental Agreement such that neither TKL nor TPL shall be a guarantor under the Senior Secured Note Guaranty Agreement or subject to the Senior Secured Note Security Agreement.

In addition, on February 9, 2007, the Senior Secured Note Purchasers entered into a certificate of discharge thereby terminating the Tethys Pledge (the “Discharge”) and entered into a new pledge of all of the outstanding stock of TPL held by CanArgo Limited (the “New Pledge Agreement”) in favour of the Senior Secured Note Purchasers.

A copy of the amendment, consent, waiver and release agreement, the Discharge and the New Pledge Agreement are attached as Exhibits 10.1, 10.2 and 10.3 respectively.

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Senior Subordinated Notes. On March 3, 2006, CanArgo entered into a Note and Warrant Purchase Agreement (“Subordinated Note and Warrant Purchase Agreement”) with a group of private investors (the “ Subordinated Note Purchasers”). Payment of all amounts due and payable under the Subordinated Note and Warrant Purchase Agreement was secured by guarantees pursuant to a guaranty agreement dated March 3, 2006 from TPL, TKL and other guarantors (the “ Subordinated Note Guaranty Agreement”). In connection with the TPL Financing, on February 9, 2007, CanArgo entered into an amendment, consent, waiver and release agreement with the Subordinated Note Purchasers to amend the Subordinated Note and Warrant Purchase Agreement and the Subordinated Note Guaranty Agreement such that neither TKL nor TPL shall be a guarantor under the Subordinated Note Guaranty Agreement. A copy of the amendment, consent, waiver and release agreement is attached as Exhibit 10.4.

12% Subordinated Convertible Guaranteed Notes. On June 28, 2006, CanArgo entered into a Note and Warrant Purchase Agreement (the “12% Subordinated Note and Warrant Purchase Agreement”) with Persistency, a company incorporated in the Cayman Islands (the “Purchaser”). Payment of all amounts due and payable under the 12% Subordinated Note and Warrant Purchase Agreement was secured by guarantees pursuant to a guaranty agreement dated June 28, 2006 from TPL, TKL and other guarantors (the “12% Subordinated Note Guaranty Agreement”). In connection with the TPL Financing, on February 9, 2007, CanArgo entered into an amendment, consent, waiver and release agreement with the Purchaser to amend the 12% Subordinated Note and Warrant Purchase Agreement and the 12% Subordinated Note Guaranty Agreement such that neither TKL nor TPL shall be a guarantor under the Guaranty Agreement. A copy of the amendment, consent, waiver and release agreement is attached as Exhibit 10.5.

Item 1.02 Termination of a Material Agreement

See Item 1.01 above.

Item 2.03 Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

See Item 1.01 above.

Section 9—Financial Statements and Exhibits

Item 9.01. Financial Statements and Exhibits.

(d) Exhibits:

Exhibit No.	Exhibit Description
10.1	Amendment, Consent, Waiver and Release Agreement dated February 9, 2007 by and among CanArgo Energy Corporation and the Purchasers party thereto
10.2	Certificate of Discharge dated February 9, 2007 between Ingalls & Snyder LLC and CanArgo Limited
10.3	Security Interest Agreement, dated as of February 9, 2007, among Tethys Petroleum Limited, Ingalls & Snyder LLC and the Secured Parties, as defined herein.

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Exhibit No.	Exhibit Description
10.4	Amendment, Consent, Waiver and Release Agreement dated February 9, 2007 by and among CanArgo Energy Corporation and the Purchasers party thereto
10.5	Amendment, Consent, Waiver and Release Agreement dated February 9, 2007 by and among CanArgo Energy Corporation and Persistency

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

	CANARGO ENERGY CORPORATION
Date: February 21, 2007	By:	/s/ Elizabeth Landles
	Elizabeth Landles, Corporate Secretary

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EX-10.1

Exhibit 10.1

AMENDMENT, CONSENT, WAIVER AND RELEASE

     This AMENDMENT, CONSENT, WAIVER AND RELEASE (this “Agreement”) is made and entered into as of the 9th day of February, 2007 by and among Tethys Petroleum Limited, a company incorporated and existing in the Island of Guernsey (“TPL”) (formerly known as Tethys Petroleum Investments Limited), Tethys Kazakhstan Limited, a company incorporated and existing in the Island of Guernsey (“TKL,” and together with TPL, each a “Company” and collectively the “Companies”), and the individuals and entities who or which are signatories hereto.

     WHEREAS, CanArgo Energy Corporation, a Delaware corporation (“CanArgo”), and certain persons (the “Original Senior Noteholders”) have entered into a Note Purchase Agreement, as amended (the “Note Purchase Agreement”), pursuant to which CanArgo issued $25,000,000 in aggregate principal amount of senior secured promissory notes due July 25, 2009 (the “Senior Notes”); and

     WHEREAS, CanArgo and the Original Senior Noteholders entered into that certain Security Agreement dated July 25, 2005 (the “Security Agreement”), pursuant to which CanArgo granted to holders of the Senior Notes (each hereby referred to as a “Senior Noteholder” and collectively as the “Senior Noteholders”) a security interest in the Collateral (as defined in the Security Agreement) to secure the payment of the Senior Notes; and

     WHEREAS, TPL is a party to that certain Guaranty Agreement dated as of July 25, 2005 (the “Guaranty Agreement”) by TPL and the other Guarantors named therein in favor of the Senior Noteholders, pursuant to which TPL and such other Guarantors guaranteed the payment of the Senior Notes; and

     WHEREAS, TKL is a party to that certain Supplemental Agreement dated as of March 3, 2006 (the “Supplemental Agreement”) in favor of the Senior Noteholders, pursuant to which TKL became a Guarantor (as defined in the Guaranty Agreement) under the Guaranty Agreement;

     WHEREAS, TPL is contemplating raising a minimum of US$10 million dollars in additional capital by means of an issue of equity; and

     WHEREAS, CanArgo, the Companies and the Senior Noteholders wish to amend the Note Purchase Agreement, the Security Agreement and the Guaranty Agreement and terminate the Supplemental Agreement such that (i) neither TKL nor TPL shall be a Guarantor under the Guaranty Agreement, and (ii) no securities representing equity interests in either Company shall be deemed Collateral or subject to the Security Agreement (but without prejudice to the terms of any new security interest agreement put in place with respect to CanArgo Limited’s equity interests in TPL) in order to facilitate such equity offering.

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     NOW, THEREFORE, in consideration of the foregoing and for other good and valuable consideration, the receipt and sufficiency or which is hereby acknowledged and confirmed, 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. Consent, Waiver and Release. Notwithstanding the provisions of any Loan Document to the contrary provided, in accordance with Section 18 of the Note Purchase Agreement, Section 12.7 of the Security Agreement and Section 19 of the Guaranty Agreement, the Senior Noteholders hereby irrevocably and unconditionally:

          (a) consent to, and waive any rights they may have under the Note Purchase Agreement or any other Loan Documents in connection with, (i) the amendment of (x) the Note Purchase Agreement to amend the definition of “Collateral” (as hereinafter provided) and to delete any reference to the Companies from Schedules 5.11 and 6.4 thereto and (y) the amendment of the Security Agreement to amend the definition of “Investment Property” (as hereinafter provided), (ii) the release of the securities whether now or hereafter issued and outstanding of either Company from the Liens granted under the Note Purchase Agreement and the Security Agreement, (iii) the amendment of the Guaranty Agreement to delete any reference to the Companies from the definition of “Guarantor” or “Guarantors” therein and to release both Companies from their obligations as Guarantors thereunder and (iv) the termination of the Supplemental Agreement. The consents, releases, amendments and waivers granted in this Section 2 only apply to the matters described in clause (i), (ii), (iii) and (iv) above, and do not constitute a waiver of, or consent to, any other amendment to or waiver of any other provisions of the Loan Documents;

          (b) hereby release each of the Companies and their respective successors, assigns, officers, directors, shareholders, agents and employees from any all claims, damages, losses or liability, which they now have or may in the future acquire from this date until the end of time, in respect of, or attributable to any and all obligations of the Companies arising under or in connection with the Note Purchase Agreement, the Security Agreement, the Guaranty Agreement and Supplemental Agreement; and

          (c) hereby release CanArgo and its successors, assigns, officers, directors, shareholders, agents and employees from any all claims, damages, losses or liability, which they now have or may in the future acquire from this date until the end of time, arising under or attributable to the release of the securities of either Company from the Liens set forth in the Note Purchase Agreement and the Security Agreement and the release of the Companies of their obligations under the Guaranty Agreement and Supplemental Agreement.

     3. Amendment of the Note Purchase Agreement and the Security Agreement; Termination Statements.

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          (a) The definitions of “Collateral” set forth in Schedule B of the Note Purchase Agreement and the definition of “Investment Property” set forth in Section 1(b) of the Security Agreement are hereby amended nunc pro tunc by adding the following language at the end thereof:

     “, but excluding all capital stock or other securities issued or to be issued in the future by either Tethys Petroleum Limited, a company incorporated and existing in Bailiwick of Guernsey (formerly known as Tethys Petroleum Investments Limited), or Tethys Kazakhstan Limited a company incorporated and existing in the Island of Guernsey.”

(b)	Schedules 5.11 and 6.4 to the Note Purchase Agreement are hereby amended nunc pro tunc to delete therefrom any reference to the Companies.
(c)	CanArgo is hereby authorized to file one or more UCC-3 termination statements in the appropriate filing jurisdictions to reflect the release of collateral set forth in Section 2(a)(ii) and subsection (a) above.

     4. Amendment of the Guaranty Agreement. The Guaranty Agreement is hereby amended by deleting any reference to either of the Companies as a “Guarantor” thereunder.

     5. Termination of the Supplemental Agreement. The Supplemental Agreement is hereby terminated and deemed void ab initio and of no further force and effect.

     6. Minimum Proceeds. The parties hereby acknowledge that the consent and waiver granted by the Purchasers pursuant to this Agreement is conditional upon TPL receiving a minimum of US$10 million of aggregate gross proceeds from the issue of ordinary shares of £0.01 each in the capital of TPL in connection with a proposed investment in TPL to be completed on or about the date of this Agreement..

     7. 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.

     8. Miscellaneous.

          (a) Successors and Assigns; Headings; Choice of Law, etc. This Agreement shall be binding on and shall inure to the benefit of CanArgo, each Company

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and the Senior Noteholders and their respective successors and assigns, heirs and legal representatives; provided that neither CanArgo nor any Company may assign its rights hereunder without the prior written consent of the Company and 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 effective as 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.

TETHYS PETROLEUM LIMITED
By:	/s/ Dr David Robson
	Name: Dr David Robson
	Title: Chairman & Managing Director
TETHYS KAZAKHSTAN LIMITED
By:	/s/ Elizabeth Landles
	Name: Elizabeth Landles
	Title: Director

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CANARGO ENERGY CORPORATION
By:	/s/ Dr David Robson
	Name: Dr David Robson
	Title: Chairman & CEO

SENIOR NOTEHOLDERS:
INGALLS & SNYDER VALUE PARTNERS L.P.
By:	/s/ Thomas O. Boucher Jr.
Thomas O. Boucher Jr., General Partner
NIKOLAOS D MONOYIOS
By:	/s/ Nikolaos D Monoyios
Nikolaos D Monoyios
THOMAS L GIPSON
By:	/s/ Thomas O. Boucher Jr.
Thomas O. Boucher Jr., Attorney-in-fact
ARTHUR KOENIG
By:	/s/ Arthur Koenig
Arthur Koenig
THOMAS L GIPSON IRA
By:	/s/ Thomas O. Boucher Jr.
Thomas O. Boucher Jr., Attorney-in-fact
EVAN JANOVIC
By:	/s/ Evan Janovic
Evan Janovic
ARTHUR ABLIN
By:	/s/ Arthur Ablin
Arthur Ablin

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FLEDGLING ASSOCIATES LLC
By:	/s/ Adam Janovic
Adam Janovic, Attorney-in-fact
ADAM JANOVIC
By:	/s/ Adam Janovic
Adam Janovic
NEIL JANOVIC
By:	/s/ Adam Janovic
Adam Janovic, Attorney-in-fact
ANTHONY CORSO
By:	/s/ Anthony Corso
Anthony Corso
JOHN GILMER
By:	/s/ John Gilmer
John Gilmer
MARTIN SOLOMON
By:	/s/ Martin Solomon
Martin Solomon
AGREED AND ACKNOWLEDGED

CANARGO LIMITED
By:	/s/ Dr David Robson
	Name: Dr David Robson
	Title: Director
CANARGO LTD.
By:	/s/ Dr David Robson
	Name: Dr David Robson
	Title: Director

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CANARGO NORIO LIMITED
By:	/s/ Elizabeth Landles
	Name: Elizabeth Landles
	Title: Director
CANARGO (NAZVREVI) LIMITED
By:	/s/ Elizabeth Landles
	Name: Elizabeth Landles
	Title: Director
NINOTSMINDA OIL COMPANY LIMITED
By:	/s/ Dr David Robson
	Name: Dr David Robson
	Title: Director

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EX-10.2

Exhibit 10.2

The Security Interests (Guernsey) Law

Certificate of discharge

We, Ingalls & Snyder LLC, a company formed under the laws of New York having its office at 61 Broadway, New York, USA as security agent acting for and on behalf of the Secured Parties (as defined in the Security Interest Agreement, as defined below), certify that the security interest created or provided by CanArgo Limited, a company incorporated under the laws of Guernsey having its registered office at Borough House, Rue du Pre, St. Peter Port, Guernsey under a security interest agreement dated 25 July 2005 (the “Security Interest Agreement”) is wholly discharged and hereby assign the Collateral (as defined in the Security Interest Agreement) to CanArgo Limited.

We covenant to deliver to CanArgo Limited the certificates of title to the Securities and (if any) the Derivative Assets (as each term is defined in the Security Interest Agreement).

We confirm we give this certificate on behalf of and with the authority of each of the Secured Parties (as defined under the Security Interest Agreement).

Dated: 9^th February 2007

INGALLS & SNYDER LLC
By:	/s/ Thomas O. Boucher Jr.
Thomas O. Boucher Jr., Manager
We accept and agree to the above:
CANARGO LIMITED
By:	/s/ Dr David Robson
Dr David Robson, Director

EX-10.3

Exhibit 10.3

CANARGO LIMITED

and

TETHYS PETROLEUM LIMITED

and

INGALLS & SNYDER LLC

and

THE SECURED PARTIES

SECURITY INTEREST AGREEMENT
(SECURITIES)

CONTENTS

1	Definitions and Interpretation	1
2	Grant of Security Interest	5
3	The Secured Obligations	6
4	Debtor’s Representations and Warranties	6
5	Debtor’s Covenants	8
6	Lien	10
7	Events of Default	10
8	Enforcement by the Secured Parties	14
9	Further Assurance and Power of Attorney	15
10	Suspense Account	16
11	Security Continuing and Independent	16
12	Fees, Costs and Expenses	17
13	Remedies and Waiver	17
14	Indemnity and Liability	18
15	Ruling Off	18
16	Illegality	19
17	Certificate of Secured Parties	19
18	Amalgamation and Consolidation	19
19	Conversion of Currency	19
20	Amendment	20
21	Assignment	20
22	Notices	20
23	Counterparts	21
24	Governing Law and Jurisdiction	21
SCHEDULE 1		24

SECURITY INTEREST AGREEMENT

THIS AGREEMENT is made on 9^th February 2007

BETWEEN

(1)	CanArgo Limited a company incorporated under the laws of Guernsey having its registered office at PO Box 291, St Peter Port, Guernsey (the “Debtor”);
(2)	Tethys Petroleum Limited a company incorporated under the laws of Guernsey having its registered office at PO Box 524, St Peter Port, Guernsey (the “Company”);
(3)	Ingalls & Snyder LLC a company formed under the laws of New York having its office at 61 Broadway, New York, New York, USA as agent for the Secured Parties (the “Security Agent”); and
(4)	Ingalls & Snyder Value Partners L.P., Nikolaos D. Monoyios, Thomas L. Gipson, Arthur Koenig, Thomas L. Gipson IRA, Evan Janovic, Arthur Ablin, Fledgling Associates LLC, Adam Janovic, Neil Janovic, Anthony Corso, John Gilmer, Martin Solomon all care of 61 Broadway, New York, NY 10006, USA as the purchasers (together the “Secured Parties”).

WHEREAS:

This Agreement is made between the parties hereto for the purposes of creating security over the issued share capital of the Company held by the Debtor.

NOW IT IS HEREBY AGREED AS FOLLOWS:

1	Definitions and Interpretation
1.1	In this Agreement, the following words and expressions shall, except where the context otherwise requires, have the following meanings:
	“Affiliate” has the meaning ascribed to it in the Note Purchase Agreement;
	“Business Day” means any day on which commercial banks are open for full banking business in Guernsey;

“CanArgo Energy Corporation” means CanArgo Energy Corporation, a company incorporated under the laws of Delaware, having its registered office at 2711, Centreville Road, Suite 400, Wilmington, Delaware, 19808 USA;

“CanArgo Group Member” has the meaning ascribed to it in the Note Purchase Agreement;

“Code” has the meaning ascribed to it in the Note Purchase Agreement;

“Collateral” means the Securities, the Derivative Assets and the Derivative Rights;

“Default” has the meaning ascribed to it in the Note Purchase Agreement;

“Derivative Assets” means all rights, moneys (including without limitation, distributions and dividends, interest and other property whatsoever which may from time to time at any time be derived from, accrue on or be offered in respect of, or incidental to or created or issued in substitution for the Securities whether by way of redemption, exchange, conversion, rights, bonus, capital reorganisation or otherwise howsoever);

“Derivative Rights” means all present and future right, title, benefit and interest in and to the Derivative Assets including without limitation all rights to subscribe for, convert other securities into or otherwise acquire any other shares, stock, debentures, debenture stock, loan stock, bonds or units of a unit trust scheme;

“Encumbrance” means any mortgage, charge, pledge, lien, assignment, hypothecation, title retention, security interest, trust arrangement or any other agreement or arrangement which has the effect of creating security;

“ERISA” has the meaning ascribed to it in the Note Purchase Agreement;

“ERISA Affiliate” has the meaning ascribed to it in the Note Purchase Agreement;

“Events of Default” means any of the events or circumstances specified in Clause 7;

“Foreign Pension Plan” has the meaning ascribed to it in the Note Purchase Agreement;

“Guarantee” means the Guaranty Agreement dated 25 July 2005 from Ninotsminda Oil Company Limited and others (including the Debtor) in favour of the Secured Parties;

“Knowledge” has the meaning ascribed to it in the Note Purchase Agreement;

“Law” means the Security Interests (Guernsey) Law, 1993;

“Lien” has the meaning ascribed to it in the Note Purchase Agreement;

“Loan Documents” has the meaning ascribed to it in the Note Purchase Agreement;

“Material” has the meaning ascribed to it in the Note Purchase Agreement;

“Material Adverse Effect” has the meaning ascribed to it in the Note Purchase Agreement;

“Multiemployer Plan” has the meaning ascribed to it in the Note Purchase Agreement;

“Note Purchase Agreement” means the note purchase agreement dated 25 July 2005 (as amended) between CanArgo Energy Corporation and the Secured Parties;

“Notes” mean the senior secured notes issued to the Secured Parties pursuant to the Note Purchase Agreement;

“Obligations” has the meaning ascribed to it in the Note Purchase Agreement;

“Person” has the meaning ascribed to it in the Note Purchase Agreement;

“Plan” has the meaning ascribed to it in the Note Purchase Agreement;

“Properties” has the meaning ascribed to it in the Note Purchase Agreement;

“Redemption Price” has the meaning ascribed to it in the Note Purchase Agreement;

“Required Holders” means, at any time, the holders of at least 51 per cent. in principal amount of the Notes at the time outstanding (exclusive of the Notes then owned by CanArgo Energy Corporation, any of its Subsidiaries or any of its Affiliates);

	“Responsible Officer” has the meaning ascribed to it in the Note Purchase Agreement;
	“Secured Obligations” shall have the meaning given to it in Clause 3;
	“Securities” means the shares specified in Schedule 1 and includes all of the Debtor’s present and future right, title, benefit and interest in and to the Securities;
	“Security Documents” has the meaning ascribed to it in the Note Purchase Agreement;
	“Security Period” means the period commencing on the date hereof and terminating on the date upon which the Required Holders shall have determined that all of the Secured Obligations have been irrevocably and indefeasibly paid, performed and discharged in full; and
	“Subsidiary” has the meaning ascribed to it in the Note Purchase Agreement.
1.2	The Secured Parties shall be the “secured parties”, the Debtor shall be the “debtor” and the Events of Default shall be the “events of default” for the purposes of the Law.
1.3	References to the Secured Parties include their successors and assigns. References to the Debtor or the Company include their successors and permitted assigns, if any.
1.4	Words and expressions not otherwise defined in this Agreement shall be construed in accordance with the Law.
1.5	Except where the context otherwise requires, words denoting the singular include the plural and vice versa, words denoting a gender include every gender and references to persons include bodies corporate and unincorporate.
1.6	References to Recitals, Clauses and Schedules are, unless the context otherwise requires, references to recitals and clauses hereof and schedules hereto and references to Sub-clauses are, unless otherwise stated, references to the sub-clause of the clause in which the reference appears.

1.7	The Recitals and Schedules form part of this Agreement and shall have the same force and effect as if they were expressly set out in the body of this Agreement and any reference to this Agreement shall include the Recitals and Schedules.
1.8	Any reference to this Agreement or to any agreement or document referred to in this Agreement shall be construed as a reference to such agreement or document as amended, varied, modified, supplemented, restated, novated or replaced from time to time.
1.9	Any reference to any statute or statutory provision shall, unless the context otherwise requires, be construed as a reference to such statute or statutory provision as the same may have been or may be amended, modified, extended, consolidated, re-enacted or replaced from time to time.
1.10	Clause headings and the index are inserted for convenience only and shall not affect the construction of this Agreement.
2	Grant of Security Interest
2.1	Without affecting, and in addition to, the Secured Parties’ other rights under or pursuant to this Agreement, for the purpose of granting each Secured Party a first priority security interest in the Collateral pursuant to the Law the Debtor hereby:

(a)	assigns the Collateral to the Security Agent; and
(b)	delivers and agrees that the Security Agent or its nominees shall have possession of the certificates of title to the Securities.

2.2	The Debtor hereby agrees that the security interests created by Clause 2.1 may exist independently and concurrently.
2.3	Pursuant to Section 1(8) of the Law, the Company hereby agrees that it has received notice of and acknowledges the creation of a security interest over the Securities pursuant to this Agreement.
2.4	Upon the expiry of the Security Period, the Security Agent shall, at the request and expense of the Debtor, return to the Debtor the certificates of title to the Securities and/or assign, transfer or make over title to the Securities to the Debtor (as

	appropriate), without recourse or warranty, executing such documents as may be required to release the security created by this Agreement and shall thereby discharge the security created hereunder.
3	The Secured Obligations
	The grants of security interest set out in Clause 2.1 shall secure as a continuing security for the payment and/or discharge on demand of the Guarantee and of all other present or future obligations, monies and liabilities of the Debtor to the Secured Parties which shall for the time being (and whether on or at any time after such demand) be or become due, owing or incurred to any Secured Party by the Debtor whether actually or contingently, solely or jointly with any other person or as principal or surety and including interest (whether simple or compound and as well after as before judgment) together with discount, commission and all other lawful charges and expenses (including, without limitation, legal fees and other professional fees plus disbursements) of the Secured Parties under the Guarantee (together the “Secured Obligations”).
4	Debtor’s Representations and Warranties
	The Debtor hereby represents and warrants to each Secured Party on the date hereof that:

(a)	this Agreement constitutes the legal, valid and binding obligations of the Debtor, and constitutes a valid first priority security interest under the Law, enforceable against the Debtor in accordance with its terms;
(b)	no event has occurred or circumstance exists which constitutes or with the giving of notice or lapse of time or both would constitute an Event of Default;
(c)	the Debtor and David Robson are the sole legal and the Debtor is the sole beneficial owner of and has good title to the Collateral subject only to the rights granted in favour of the Secured Parties by this Agreement;
(d)	the Securities have been duly authorised and validly issued and are fully paid;

(e)	the Collateral is free from all Encumbrances and rights of set-off other than those created by this Agreement in favour of the Secured Parties;
(f)	the Debtor has the necessary power to execute, deliver and perform its obligations under this Agreement; and the execution, delivery and performance by the Debtor of this Agreement and the consummation of the transactions contemplated hereby have been duly authorised by all necessary corporate action;
(g)	all necessary authorisations or approvals or other actions by and notices or filings with any governmental authority, regulatory body or any other third party to enable the Debtor to execute, deliver and perform this Agreement and the perfection of the security interest created hereunder have been obtained and are, in full force and effect;
(h)	the execution, delivery and performance by the Debtor of this Agreement and the consummation by the Debtor of the transactions contemplated hereby do not:

(i)	require any consent or approval of any Person that has not been obtained and each such consent or approval that has been obtained is in full force and effect;
(ii)	violate any provision of the memorandum and articles of association of the Debtor;
(iii)	violate any provision of any statute, regulation, order, injunction or judgement applicable to each Debtor which violation could reasonably be expected to have a Material Adverse Effect; or
(iv)	violate, result in a breach of or constitute a default under any mortgage, indenture or any other material agreement to which the Debtor is a party or by which it or its property may be bound which violation or breach could reasonably be expected to have a Material Adverse Effect.

(i) there are no actions, suits, litigation, administrative proceedings or other proceedings at law or in equity or by or before any governmental authority or arbitral tribunal now pending, or to the Knowledge of the Debtor, threatened against or affecting the Collateral which could reasonably be expected to have a Material Adverse Effect.

5	Debtor’s Covenants
	The Debtor covenants and undertakes to the Secured Parties that:

(a) contemporaneously with the execution and delivery of this Agreement and otherwise from time to time and if and when the Required Holders shall require, it shall deliver to the Security Agent, or to its order for the rateable benefit of the Secured Parties:

(i)	certificates of title in respect of the Securities, together with undated and signed duly completed stock transfer forms with the consideration left blank and all related declarations of nomineeship/trust in favour of the Secured Parties (if any);
(ii)	such other documents as the Required Holders shall acting reasonably require to protect, maintain or enforce their security interest or security interests granted hereby; and
(iii)	at any time following the occurrence of an Event of Default do all other acts and things as the Required Holders may acting reasonably require in order to transfer title of the Collateral or any part of it into the name of the Security Agent or the name of its nominees;

(b)	it will promptly pay all payments to be made or becoming due and discharge any lien which may arise on any of the Securities;
(c)	any of the Collateral not held by the Security Agent (or its nominees) shall be held on trust for and to the Secured Parties’ order or otherwise as the Required Holders may require from time to time;

(d)	at any time after the occurrence of an Event of Default which is thereafter continuing unremedied and unwaived, and if and when the Required Holders shall require, distributions, dividends, interest or other income declared or payable on any of the Securities shall be paid or assigned to the Security Agent for the rateable benefit of the Secured Parties which it shall then be entitled to apply as though they were proceeds of sale or application provided, however, until the occurrence of an Event of Default which is continuing, the Debtor shall be entitled to receive and retain all distributions, dividends, interest or other income declared or payable on any of the Securities;
(e)	at any time after the occurrence of an Event of Default which is thereafter continuing unremedied and unwaived the Security Agent will forthwith exercise all voting, consensual and other powers and rights attaching to the Securities in such manner as the Required Holders may direct from time to time and, in the absence of such direction, only with the object of preserving or enhancing the value of the Securities provided, however, until the occurrence of an Event of Default which is continuing, Debtor shall be entitled to exercise all voting, consensual and other powers and rights attaching to the Securities;
(f)	immediately upon receipt of any report, accounts, circular, offer or notice received by the Debtor (or, as the case may be, its nominee) in respect of, or which may affect, the Securities, it shall deliver a copy to the Security Agent with notice that it relates to this Agreement;
(g)	it will not unless authorised in writing by the Required Holders:

(i)	except as set out in this Agreement or the Note Purchase Agreement to any extent sell, assign, grant any option with respect to or otherwise dispose of or create an Encumbrance over or agree to any extent to sell, assign, grant any option with respect to, dispose of or encumber the Collateral; or
(ii)	negotiate, settle or waive any claim for loss, damage or other compensation affecting the Collateral;

(h)	it will do everything in its power to prevent any person from becoming entitled to claim any right over the Collateral;
(i)	it will do or cause to be done everything necessary to help the Security Agent to:

(i)	confirm or protect the interest of the Secured Parties in the Collateral; and
(ii)	exercise any of its or the Secured Parties ’ rights under this Agreement.

(j) it will charge in favour of the Secured Parties, immediately upon its acquisition (directly or indirectly) thereof, any and all additional shares of stock or other securities of the Company not otherwise hereby charged.

6	Lien
	Without affecting, and in addition to, the grant of security interest and other rights hereunder, the Debtor hereby agrees that the Secured Parties shall, for so long as any amount remains outstanding under or in respect of the Secured Obligations, have a lien over the Securities.
7	Events of Default
7.1	There shall be an Event of Default if there occurs or exists any event described as or constituting an Event of Default under the Note Purchase Agreement namely:

(a)	CanArgo Energy Corporation defaults in the payment of any principal at the applicable Redemption Price (if any) on any Note when the same becomes due and payable, whether at maturity or at a date fixed for prepayment or by declaration or otherwise; or
(b)	CanArgo Energy Corporation defaults in the payment of any interest on any Note or in the payment of any expenses due hereunder or under any Security Document for more than five Business Days after the same becomes due and payable; or

(c)	CanArgo Energy Corporation defaults in the performance of or compliance with any term contained in sections 9.6, 10.11, 11.2, 11.3, 11.4, 11.6, 11.7, 11.8, 11.9, 11.10 or 11.11 of the Note Purchase Agreement (an extract of such sections from the Note Purchase Agreement are set out in Schedule 2 hereof); or
(d)	CanArgo Energy Corporation defaults in the performance of or compliance with any term contained in the Note Purchase Agreement (other than those referred to in paragraphs (a), (b) or (c) above) and such default is not remedied within 30 days after the earlier of (i) a Responsible Officer obtaining actual and not constructive knowledge of such default and (ii) CanArgo Energy Corporation receiving written notice of such default from any holder of a Note (any such written notice to be identified as a “notice of default” and to refer specifically to paragraph (d) of Section 12 of the Note Purchase Agreement); or
(e)	any representation or warranty made in writing by or on behalf of CanArgo Energy Corporation or any other CanArgo Group Member or by any officer of CanArgo Energy Corporation or any other CanArgo Group Member (including the Company) in the Note Purchase Agreement, in any Security Document or in writing furnished in connection with the transactions contemplated hereby proves to have been false or incorrect in any Material respect on the date as of which made; or
(f)	CanArgo Energy Corporation or any other CanArgo Group Member including the Company (i) is generally not paying, or admits in writing its inability to pay, its debts as they become due, (ii) files, or consents by answer or otherwise to the filing against it of, a petition for relief or reorganization or arrangement or any other petition in bankruptcy, for liquidation or to take advantage of any bankruptcy, insolvency, reorganization, moratorium or other similar law of any jurisdiction, (iii) makes an assignment for the benefit of its creditors, (iv) consents to the appointment of a custodian, receiver, trustee or other officer with similar powers with respect to it or with respect to any substantial part of its property, (v) is adjudicated as insolvent or to be

	liquidated, or (vi) takes corporate action for the purpose of any of the foregoing; or
(g)	a court or governmental authority of competent jurisdiction enters an order appointing a custodian, receiver, trustee or other officer with similar powers with respect to it or with respect to any substantial part of its property, or constituting an order for relief or approving a petition for relief or reorganization or any other petition in bankruptcy or for liquidation or to take advantage of any bankruptcy or insolvency law of any jurisdiction, or ordering the dissolution, winding-up or liquidation of CanArgo Energy Corporation or any other CanArgo Group Member including the Company, or any such petition shall be filed against CanArgo Energy Corporation or any other CanArgo Group Member including the Company and such petition shall not be dismissed or stayed pending appeal within 90 days, or are not discharged within 60 days after the expiration of such stay; or
(h)	a final judgment or judgments for the payment of money aggregating in excess of US$2,500,000 (to the extent not covered by insurance) are rendered against CanArgo Energy Corporation or any other CanArgo Group Member including the Company and which judgments are not, within 90 days after entry thereof, bonded, discharged, finally settled or stayed pending appeal, or are not discharged within 60 days after the expiration of such stay; or
(i)	if (i) any Plan subject to ERISA shall fail to satisfy the minimum funding standards of ERISA or the Code for any plan year or part thereof or a waiver of such standards or extension of any amortization period is sought or granted under section 412 of the Code, (ii) a notice of intent to terminate any Plan subject to ERISA shall have been or is reasonably expected to be filed with the Pension Benefit Guaranty Corporation referred to and defined in ERISA or any successor thereto (“PBGC”) or the PBGC shall have instituted proceedings under ERISA section 4042 to terminate or appoint a trustee to administer any such Plan or the PBGC shall have notified CanArgo Energy Corporation or any ERISA Affiliate or other Affiliate that a Plan subject to ERISA may become a subject of any such proceedings, (iii) the aggregate “amount of unfunded benefit liabilities” (within the meaning of section

4001(a)(18) of ERISA) under all Plans subject to ERISA, determined in accordance with Title IV of ERISA shall exceed US$500,000, (iv) CanArgo Energy Corporation or any ERISA Affiliate or other Affiliate shall have incurred or is reasonably expected to incur any liability pursuant to Title I or IV of ERISA or the penalty or excise tax provisions of the Code relating to employee benefit plans subject to ERISA in excess of $500,000, (v) the present value of the accrued benefit liabilities (whether or not vested) under each Foreign Pension Plan maintained by CanArgo Energy Corporation or an ERISA Affiliate, determined as of the end of its most recently ended fiscal year on the basis of actuarial assumptions, each of which is reasonable, exceeds the current value of the assets of such Foreign Pension Plan allocable to such benefit liabilities by US$500,000 or more, (vi) either CanArgo Energy Corporation or any other CanArgo Group Member (including the Company) incurs a Material liability pursuant to any Foreign Pension Plan which could reasonably be expected to have a Material Adverse Effect, (vii) CanArgo Energy Corporation or any ERISA Affiliate or other Affiliate withdraws from any Multiemployer Plan, or (viii) CanArgo Energy Corporation or any other CanArgo Group Member establishes or amends any employee welfare benefit plan that provides post-employment welfare benefits in a manner that would increase the liability of CanArgo Energy Corporation or any other CanArgo Group Member including the Company thereunder in any Material respect; and any such event or events described in clauses (i) through (viii) above, either individually or together with any other such event or events, has a Material Adverse Effect;

(j)

(i) the Note Purchase Agreement, the Notes, any Security Document, or any other Loan Document ceases to be in full force and effect (except in accordance with its terms) or is declared null and void or the validity or enforceability is contested or challenged by CanArgo Energy Corporation, any Affiliate of CanArgo Energy Corporation (including the Debtor and the Company) or any of their respective partners or shareholders; (ii) CanArgo Energy Corporation denies that it has any further liability or obligation under any of the Loan Documents prior to the indefeasible satisfaction in full of all Obligations under the Loan Documents; or (iii) any of the Liens and security

interest granted to the Secured Parties under the Security Documents cease to be valid or perfected or cease to have the priority required hereby or under the Security Documents prior to the indefeasible satisfaction in full of all Obligations under the Loan Documents, other than as a result of the action or omission by any of the Secured Parties or holder; or

(k)

CanArgo Energy Corporation or any other CanArgo Group Member (including the Company) modifies or amends any of its constitutional documents in any Material manner without the Required Holders’ prior written consent, unless any such amendment will not result in a Default or Event of Default (without regard to this paragraph) and will not adversely affect the rights of the holders under the Loan Documents; or

(l)

a change occurs in the consolidated financial condition of CanArgo Energy Corporation or in the physical, operational or financial status of the Properties, which change is not otherwise described in this section and has a Material Adverse Effect and which has not been remedied pursuant to paragraph (d) above.

7.2	Any failure on the part of the Debtor to discharge any of its obligations and liabilities and/or to pay any monies to any of the Secured Parties when due under the Guarantee.
8	Enforcement by the Secured Parties
8.1	At any time following the occurrence of an Event of Default, which is thereafter continuing unremedied and unwaived and provided that the Security Agent has served on the Debtor a notice specifying the particular Event of Default complained of:

(a)	the power of sale or application under the Law shall become exercisable over the Collateral without any order of the Royal Court of Guernsey;
(b)	the power of sale or application may be exercised in such manner and for such consideration (whether payable immediately, by instalments or otherwise deferred) as the Required Holders shall in their absolute discretion determine;
(c)	for the purposes of this Agreement, references to the exercise of the “power of sale or application” shall include any method or process by which value is

given, allowed or credited by the Required Holders for the Collateral against the Secured Obligations;

(d)	the Security Agent acting at the written instruction of the Required Holders, may exercise and be entitled to any and all rights of an owner of the Collateral subject hereto; and
(e)	the Security Agent may, at the written instruction of the Required Holders, collect, receive or compromise and give a good discharge for any and all monies and claims for monies due and to become due for the time being comprised in the Collateral subject hereto.

8.2	Neither the Security Agent nor the Required Holders shall be under any liability to the Debtor for any failure to apply and distribute the proceeds of sale or application of the Collateral in accordance with the Law if the Required Holders apply or direct the Security Agent to apply and distribute such proceeds in good faith without further enquiry and in accordance with the information expressly known to them at the time of the application and distribution.
8.3	The exercise by the Secured Parties of any right or power of sale or application under this Clause 8 shall not constitute a waiver or release of nor the exercise of any other right or power of sale or application held by any Secured Party unless expressly stated in writing.
8.4	For the purposes of this Clause 8, time shall be of the essence with regard to the performance by the Debtor of the Secured Obligations.
9	Further Assurance and Power of Attorney
9.1	The Debtor agrees that it shall from time to time upon the written request of the Required Holders promptly do all such things and execute and deliver all such instruments and documents (including, without limitation, any replacement or supplemental security) as the Required Holders may consider necessary or desirable for creating the security contemplated hereby, giving full effect to this Agreement or for securing or protecting the rights of the Secured Parties hereunder.

9.2	In accordance with the Powers of Attorney and Affidavits (Bailiwick of Guernsey) Law, 1995 (the “Powers of Attorney Law”), for the purpose of facilitating the exercise of the powers of the Secured Parties under the Law and the powers given pursuant to this Agreement, the Debtor hereby irrevocably appoints the Security Agent, acting upon the written instructions of the Required Holders, as the Debtor’s true and lawful attorney (with full power of substitution and delegation) with authority in the name of and on behalf of the Debtor upon the occurrence of an Event of Default which is continuing to sign, execute, seal, deliver, complete, acknowledge, file, register and perfect any and all assurances, documents, transfers, instruments, agreements, certificates and consents whatsoever and to do any and all such acts and things in relation to any matters dealt with in this Agreement and which the Required Holders may deem necessary or advisable in order to give full effect to this Agreement (including, without limitation, anything referred to in Clause 8 (Enforcement by the Secured Parties)) and anything to perfect its security over the Collateral. The Debtor further covenants with the Secured Parties to ratify and confirm any lawful exercise or purported exercise of this power of attorney.
10	Suspense Account
	All monies received, recovered or realised by the Security Agent under this Agreement may, at the discretion of the Required Holders, be credited to a separate or suspense account for so long as the Required Holders may think fit without any intermediate obligation on the part of the Security Agent or the Secured Parties to apply the same in or towards payment and discharge of the Secured Obligations.
11	Security Continuing and Independent
	The security constituted by this Agreement:

(a)	shall not be discharged by any partial or intermediate payment or performance of the Secured Obligations;
(b)	shall take effect as a security for the whole and every part of the payment or performance of the Secured Obligations and shall be independent of and in addition to, and it shall not be prejudiced or be affected by and shall not affect or prejudice, any other security now or hereafter held by any Secured Party in

	respect of the payment or performance of all or any part of the Secured Obligations; and
(c)	shall not be in any way discharged, impaired or otherwise affected by reason of any of the Secured Obligations becoming illegal, void, voidable, invalid or unenforceable or by reason of any other act, circumstance or omission which might but for provisions of this Clause 11 constitute a discharge of such security.

12	Fees, Costs and Expenses
12.1	Subject to the provisions of Section 10.9 of the Note Purchase Agreement, the Debtor agrees to reimburse the Security Agent on demand for all fees (including legal fees), costs and expenses incurred by the Security Agent in connection with or relating to the negotiation, preparation and/or execution of this Agreement, the creation, preservation and/or enforcement of any of the Secured Party’s rights under this Agreement or the exercise or purported exercise of any of the powers arising pursuant to this Agreement.
12.2	All such fees, costs and expenses shall be reimbursed by the Debtor on a full indemnity basis.
13	Remedies and Waiver
	Time shall be of the essence of this Agreement but no failure by the Security Agent or any Secured Party to exercise, nor any delay by the Security Agent or any Secured Party in exercising, any right or remedy hereunder shall operate as a waiver hereof nor shall any single or partial exercise prevent any further or other exercise thereof or the exercise of any other right or remedy. The rights and remedies provided herein are cumulative and not exclusive of any rights or remedies provided by law, which may be exercised at the Required Holders’ discretion.
14	Indemnity and Liability
14.1	The Debtor will indemnify and keep indemnified the Secured Parties and the Security Agent and/or its nominees (if any) on demand against each and every loss, action, claim, expense (including legal expenses), cost and liability which the Secured Parties

or the Security Agent and/or its nominees may incur as holder of the Collateral or which may be properly incurred in or in connection with the preservation and/or enforcement of any of the Secured Parties’ rights under this Agreement or flowing from the exercise or purported exercise of any of the powers arising under any of the provisions of this Agreement save where such loss, action, claim, expense, cost or liability arises as the result of the gross negligence or wilful misconduct of either of the Security Agent or any of the Secured Parties.

14.2 Without prejudice to any other provision hereof:

(a)	the obligations of the Security Agent to the Secured Parties and to the Debtor shall not be and/or shall be deemed not to be fiduciary in nature;
(b)	the provisions of the Trusts (Guernsey) Law, 1989 shall not apply to the Security Agent in respect of its duties under this Agreement; and
(c)	the obligations of the Security Agent to the Secured Parties and to the Debtor shall be limited to (a) its obligations as expressed in this Agreement and (b) in accordance with the written authorisation of the Required Holders, where such authorisation is required.

14.3	Notwithstanding any other provision of this Agreement, hereof neither the Security Agent nor its nominees nor any of the Secured Parties shall be liable by reason of (a) taking any action permitted by this Agreement, (b) any neglect or default in connection with the Collateral or (c) the taking possession or realisation of all or any part of the Collateral, except in the case of gross negligence or wilful default upon their part.
15	Ruling Off
	In the event of the affairs of the Debtor being declared en etat de desastre or the commencement of any form of bankruptcy or insolvency proceeding affecting the Debtor or of all or any part of this Agreement ceasing for any reason to be binding on the Debtor or if the Security Agent receives notice (actual or otherwise) of any other or subsequent Encumbrance affecting the Collateral, the Required Holders may at any time rule off the Debtor’s obligations. No monies paid thereafter by the Debtor to the

Security Agent for the rateable benefit of the Secured Parties shall thereby discharge or reduce the amount recoverable pursuant to this Agreement. If the Required Holders in any of the above cases do not rule off the obligations of the Debtor it shall nevertheless be treated as if they had done so at the time when the Security Agent first had notice (actual or otherwise) of the event in question and all payments made by or on behalf of the Debtor to the Security Agent for the rateable benefit of the Secured Parties shall not operate to reduce the amount recoverable pursuant to this Agreement.

16	Illegality
	If at any time one or more of the provisions of this Agreement becomes invalid, illegal or unenforceable in any respect, that provision shall be severed from the remainder and the validity, legality and enforceability of the remaining provisions of this Agreement shall not be affected or impaired in any way.
17	Certificate of Secured Parties
	Any certificate submitted by the Security Agent to the Debtor as to the amount of the Debtor’s obligations or any part of them shall (in the absence of manifest error) be conclusive and binding on the Debtor at the relevant time.
18	Amalgamation and Consolidation
	The rights and benefits of each Secured Party under this Agreement shall remain valid and binding for all purposes notwithstanding any change, amalgamation, consolidation, migration or otherwise which may be made in the constitution of such Secured Party and shall be available to such entity as shall carry on the business of that Secured Party for the time being.
19	Conversion of Currency
	All monies received or held by the Security Agent subject to this Agreement may at any time, after the occurrence of an Event of Default, be converted into such other currency as the Required Holders consider necessary or desirable to satisfy the Secured Obligations in that other currency at the then prevailing spot rate of exchange of the JP Morgan Chase Bank (as conclusively determined by the Required Holders) for purchasing that other currency with the original currency.

20	Amendment
	No variation or amendment of this Agreement shall be valid unless in writing and signed by or on behalf of Debtor, the Company and the Security Agent, acting upon written instructions of the Required Holders.
21	Assignment
21.1	Any Secured Party at any time may grant a participation in or make an assignment or transfer or otherwise dispose of, the whole or any part of its rights and benefits under this Agreement. Subject to the provisions of Section 21 of the Note Purchase Agreement, for the purpose of any such participation, assignment, transfer or disposal, the Security Agent may disclose information about the Debtor and the financial condition of the Debtor as may have been made available to the Security Agent by the Debtor or which is otherwise publicly available.
21.2	Except with the written consent of the Required Holders, neither the Debtor nor the Company shall assign or transfer all or any part of their respective rights, benefits and/or obligations under this Agreement.
22	Notices
	All notices with respect to this Agreement shall be delivered by hand or sent by first class post to the address of the addressee as set out in this Agreement with respect to the Security Agent or Section 19 in the Note Purchase Agreement or to such other address as the addressee may from time to time have notified for the purpose of this Clause 22 or to any other “proper address” as defined in the Law, or sent by facsimile transmission (“fax”) and shall be deemed to have been received:

(a)	if sent by first class prepaid post, five Business Days after posting;
(b)	if delivered by hand, on the day of delivery; and
(c)	if sent by fax, at the time of transmission provided that the sender shall receive a successful transmission report.

If the Debtor is a body corporate registered outside the Island of Guernsey, it shall appoint a process agent in the Island of Guernsey to accept service of notices pursuant

to this Agreement on its behalf, such appointment to take effect from the date of this Agreement, and it shall promptly notify the Security Agent in writing of the identity and address of such process agent from time to time.

23	Counterparts
	This Agreement may be executed in any number of counterparts each of which shall be an original but which shall together constitute one and the same instrument.
24	Governing Law and Jurisdiction
24.1	This Agreement shall be governed by and construed in accordance with the laws of the Island of Guernsey and the parties hereby irrevocably agree for the exclusive benefit of the Secured Parties that the courts of the Island of Guernsey are to have jurisdiction to settle any disputes which arise out of or in connection with this Agreement and that accordingly any suit, action or proceeding arising out of or in connection with this Agreement (in this Clause referred to as “Proceedings”) may be brought in such court.
24.2	Nothing contained in this Clause shall limit the right of any Secured Party to take Proceedings against the Debtor or the Company in any other court of competent jurisdiction nor shall the taking of proceedings in one or more jurisdiction preclude the taking of Proceedings in any other jurisdiction, whether concurrently or not.
24.3	The Debtor and the Company each irrevocably waive (and irrevocably agrees not to raise) any objection which either may have now or hereafter to laying of the venue of any Proceedings in any such court as referred to in this Clause and any claim that any such Proceedings have been brought in an inconvenient forum and further irrevocably agree that a judgment in any Proceedings brought in any such court as is referred to in this Clause shall be conclusive and binding upon the Debtor and/or the Company (as the case may be) and may be enforced in the court of any other jurisdiction.

AS WITNESS WHEREOF have caused this Agreement to be duly executed the day and year first above written.

CANARGO LIMITED

By: /s/ Dr David Robson

Dr David Robson, Director
TETHYS PETROLEUM LIMITED
By:	/s/ Elizabeth Landles
Elizabeth Landles, Corporate Secretary
INGALLS & SNYDER LLC
By:	/s/ Thomas O. Boucher Jr.
Thomas O. Boucher Jr., Manager
INGALLS & SNYDER VALUE PARTNERS L.P.
By:	/s/ Thomas O. Boucher Jr.
Thomas O. Boucher Jr., General Partner
NIKOLAOS D MONOYIOS
By:	/s/ Nikolaos D Monoyios
Nikolaos D Monoyios
THOMAS L GIPSON
By:	/s/ Thomas O. Boucher Jr.
Thomas O. Boucher Jr., Attorney-in-fact
ARTHUR KOENIG
By:	/s/ Arthur Koenig
Arthur Koenig
THOMAS L GIPSON IRA
By:	/s/ Thomas O. Boucher Jr.
Thomas O. Boucher Jr., Attorney-in-fact
EVAN JANOVIC
By:	/s/ Evan Janovic
Evan Janovic
ARTHUR ABLIN
By:	/s/ Arthur Ablin
Arthur Ablin

FLEDGLING ASSOCIATES LLC
By:	/s/ Adam Janovic
Adam Janovic, Attorney-in-fact
ADAM JANOVIC
By:	/s/ Adam Janovic
Adam Janovic
NEIL JANOVIC
By:	/s/ Adam Janovic
Adam Janovic, Attorney-in-fact
ANTHONY CORSO
By:	/s/ Anthony Corso
Anthony Corso
JOHN GILMER
By:	/s/ John Gilmer
John Gilmer
MARTIN SOLOMON
By:	/s/ Martin Solomon
Martin Solomon

SCHEDULE 1

All of the ordinary shares of £0.01 each in the Company registered in the name of the Debtor.

SCHEDULE 2

Extracts from the Note Purchase Agreement

Section 9.6 Change in Control

(a)	Notice of Change in Control or Control Event. CanArgo Energy Corporation will, within five Business Days after any Responsible Officer has actual and not constructive knowledge of the occurrence of any Change in Control or Control Event, give written notice of such Change in Control or Control Event to each holder of Notes unless notice in respect of such Change in Control (or the Change in Control contemplated by such Control Event) shall have been given pursuant to subparagraph (b) of this Section 9.6. If a Change in Control has occurred, such notice shall contain and constitute an offer to prepay Notes as described in Section 9.6(c) and shall be accompanied by the certificate described in Section 9.6(f).
(b)	Condition to Company Action. CanArgo Energy Corporation will not take any action that consummates or finalises a Change in Control unless: (i) at least 15 Business Days prior to such action it shall have given to each holder of Notes written notice containing and constituting an offer to prepay Notes as described in Section 9.6(c) accompanied by the certificate described in Section 9.6(f), and (ii) contemporaneously with the action taken to consummate or finalise any such Change in Control, it prepays all Notes required to be prepaid in accordance with this Section 9.6.
(c)	Offer to Prepay Notes. The offer to prepay Notes contemplated by subparagraphs (a) and (b) of this Section 9.6 shall be an offer to prepay, in accordance with and subject to this Section 9.6 all, but not less than all, the Notes held by each holder (in this case only, “holder” in respect of any Note registered in the name of a nominee for a disclosed beneficial owner shall mean such beneficial owner) on a date specified in such offer (the “Proposed Prepayment Date”). If such Proposed Prepayment Date is in connection with an offer contemplated by subparagraph (a) of this Section 9.6, such date shall be not less than 30 days and not more than 90 days after the date of such offer (if the Proposed Prepayment Date shall not be specified in such offer, the Proposed Prepayment Date shall be the 30th day after the date of such offer).
(d)	Acceptance. A Purchaser may accept the offer to prepay made pursuant to this Section 9.6 by causing notice of such acceptance to be delivered to CanArgo Energy Corporation at least 15 days prior to the Proposed Payment Date. A failure by a Purchaser to respond to an offer to prepay made pursuant to this Section 9.6 shall be deemed to constitute an acceptance of such offer by such Purchaser.
(e)	Prepayment. Prepayment of the Notes to be prepaid pursuant to this Section 9.6 shall be the Redemption Price of such Notes, together with interest on such

	Notes accrued to the date of prepayment. The prepayment shall be made on the Proposed Prepayment Date.
(f)	Officer’s Certificate. Each offer to prepay the Notes pursuant to this Section 9.6 shall be accompanied by a certificate, executed by a Senior Financial Officer of CanArgo Energy Corporation and dated the date of such offer, specifying: (i) the Proposed Prepayment Date; (ii) that such offer is made pursuant to this Section 9.6; (iii) the principal amount of each Note offered to be prepaid; (iv) the interest that would be due on each Note offered to be prepaid, accrued to the Proposed Prepayment Date; (v) that the conditions of this Section 9.6 have been fulfilled; and (vi) in reasonable detail, the nature and date or proposed date of the Change of Control.
(g)	Effect on Required Payments. The amount of each payment of the principal of the Notes made pursuant to this Section 9.6 shall be applied against and reduce each of the then remaining principal payments due pursuant to Section 9.6 by a percentage equal to the aggregate principal amount of the Notes so paid divided by the aggregate principal amount of the Notes outstanding immediately prior to such payment.
(h)	“Change in Control” Defined. “Change in Control” means (a) CanArgo Energy Corporation shall at any time cease to be a publicly held company or cease to have its capital stock traded on an exchange; or (b) a transaction or series of related transactions pursuant to which: (i) at least fifty-one percent (51%) of the outstanding shares of Common Stock of CanArgo Energy Corporation or, on a fully diluted basis, shall subsequent to the date of the Note Purchase Agreement be owned by any Person (as hereinafter defined) which is not related to or Affiliated with CanArgo Energy Corporation; (ii) CanArgo Energy Corporation merges into or with, consolidates with or effects any plan of share exchange or other combination with any Person which is not related to or Affiliated with CanArgo Energy Corporation, or (iii) CanArgo Energy Corporation disposes of all or substantially all of its assets other than in the ordinary course of business.
(i)	“Control Event” Defined. “Control Event” means:

(i)	the execution of any CanArgo Group Member of any agreement or letter of intent with respect to any proposed transaction or event or series of transactions or events which, individually or in the aggregate, may reasonably be expected to result in a Change in Control, or
(ii)	the execution of any written agreement which, when fully performed by the parties thereto, would result in a Change in Control.

Section 10.11 Termination of Cornell Facilities.

Within ten Business days after the Closing, CanArgo Energy Corporation shall deliver to Purchasers: (a) reasonably satisfactory evidence of the payment of all CanArgo Energy Corporation’s obligations under the Cornell Facility and any other agreements relating to or arising out of the Cornell Facility by the payment of the

Cornell Facility in full and in cash with the proceeds from the issuance of the Notes; and (b) a copy of the notice of termination delivered under the Cornell Facility.

Section 11.2 Merger, Consolidation, etc.

CanArgo Energy Corporation will not, and will not permit any other CanArgo Group Member to, consolidate with or merge with any other corporation or convey, transfer or lease substantially all of its assets in a single transaction or series of transactions to any Person (except that a Material Subsidiary of CanArgo Energy Corporation may: (x) consolidate with or merge with, or convey, transfer or lease substantially all of its assets in a single transaction or series of transactions to, another Material Subsidiary or CanArgo Energy Corporation; and (y) convey, transfer or lease all of its assets in compliance with the provisions of Section 11.8 provided immediately after giving effect to such transaction, no Default or Event of Default shall have occurred and be continuing).

Section 11.3 Liens.

CanArgo Energy Corporation will not, and will not permit any other CanArgo Group Member to, directly or indirectly create, incur, assume or permit to exist (upon the happening of a contingency or otherwise) any Lien on or with respect to any property or asset (including, without limitation, any document or instrument in respect of goods or accounts receivable) of CanArgo Energy Corporation or any such other CanArgo Group Member, whether now owned or held or hereafter acquired, or any income or profits therefrom, or assign or otherwise convey any right to receive income or profits, except:

(a)	Liens for taxes, assessments or other governmental charges or levies the payment of which is not at the time required by Section 10.4;
(b)	statutory Liens of landlords, Governmental Authorities and Liens of carriers, operators, vendors, equipment lessors, warehousemen, mechanics, repairmen, suppliers, workers, construction materialmen and other similar Liens and other like Liens incident of the exploration, development, operation and maintenance of oil and gas properties, in each case, incurred in the ordinary course of business for sums not yet due or the payment of which is not at the time required by Section 10.4;
(c)	Liens (other than any Lien imposed by ERISA) incurred or deposits made in the ordinary course of business: (i) in connection with workers’ compensation, unemployment insurance and other types of social security or retirement benefits, or (ii) to secure (or to obtain letters of credit that secure) the performance of tenders, statutory obligations, surety bonds, appeal bonds, bids, trade contracts, leases (other than Capital Leases), government contracts, performance bonds, purchase construction or sales contracts, regulatory obligations and other similar obligations, in each case not incurred or made in connection with the borrowing of money, the obtaining of advances or credit or the payment of the deferred purchase price of the property;
(d)	any attachment or judgment Lien, not giving rise to an Event of Default;

(e)

leases or subleases granted to others, easements, reservations, servitudes, permits, conditions, covenants, exceptions, rights-of-way, restrictions and other similar charges or encumbrances, in each case incidental to, and not interfering with, the ordinary conduct of the business of CanArgo Energy Corporation or any of its Subsidiaries, provided that such Liens do not, in the aggregate, materially detract from value of such property;

(f)

any Lien created to secure all or any part of the purchase price, or to secure Indebtedness incurred or assumed to pay all or any part of the purchase price or cost of construction, of property (or any improvement thereon) acquired or constructed by CanArgo Energy Corporation or any other CanArgo Group Member after the date of the Closing, provided that:

(i)	any such Lien shall extend solely to the item or items of such property (or improvement thereon) so acquired, leased or constructed and, if required by the terms of the instrument originally creating such Lien, other property (or improvement thereon) which is an improvement to or is acquired for specific use in connection with such acquired, leased or constructed property (or improvement thereon) or which is real property being improved by such acquired, leased or constructed property (or improvement thereon),
(ii)	the principal amount of the Indebtedness secured by any such Lien shall at no time exceed an amount equal to 80% (but 100% in the case of property (or improvement thereon) the acquisition of which is financed through a Capital Lease Obligation) of the lesser of: (A) the cost to CanArgo Energy Corporation or such other CanArgo Group Member of the property (or improvement thereon) so acquired or constructed; and (B) the Fair Market Value (as determined in good faith by the board of directors of CanArgo Energy Corporation) of such property (or improvement thereon) at the time of such acquisition or construction,
(iii)	any such Lien shall be created contemporaneously with, or within 180 days after, the acquisition, lease or construction of such property;

(g)

Liens securing Indebtedness arising under the Loan Documents;

(h)

contractual Liens which arise in the ordinary course of business under and pursuant to the terms of the Basic Documents or other concessions agreements, production sharing agreements and contracts; joint venture, exploration, limited or general partnership, dry hole, bottom hole, acreage contribution, purchase and acquisition agreements; exploration, production and development licenses; operating agreements; drilling agreements; oil and gas leases; farm-out and farm-in agreements; division orders; contracts for the sale, transportation or exchange of oil and natural gas; unitization and pooling declarations and agreements; area of mutual interest agreements; overriding and net profits royalty agreements; marketing agreements; processing agreements; development agreements; gas balancing or deferred production agreements; injection, repressuring and recycling agreements; salt water or other disposal agreements; seismic or other geophysical permits or

agreements, and other agreements which are usual and customary in the oil and gas business and are for claims which are not delinquent or which are being contested in good faith by appropriate action and for which adequate reserves have been maintained in accordance with applicable GAAP, provided that any such Lien referred to in this clause does not materially impair the use of the property covered by such Lien for the purposes for which such property is held by CanArgo Energy Corporation or any other CanArgo Group Member or materially impair the value of such property subject thereto;

(i)	Liens arising solely by virtue of any statutory or common law provision relating to banker’s liens, rights of set-off or similar rights and remedies and burdening only deposit accounts or other funds maintained with a creditor depository institution, provided that no such deposit account is a dedicated cash collateral account or is subject to restrictions against access by the depositor in excess of those set forth by regulations promulgated by the Board of Governors of the Federal Reserve System of the United States of America (or any successor Governmental Authority) or other Governmental Authority and no such deposit account is intended by CanArgo Energy Corporation or any other CanArgo Group Member to provide collateral to the depository institution, except in each such case in connection with letter of credit obligations issued pursuant to or in connection with any Basic Documents or other agreements referred to in clause (h);
(j)	Other Liens not described in clauses (a) to (i) of this Section on the property of CanArgo Energy Corporation or any Subsidiary in an aggregate amount at any time not exceeding US$100,000; and
(k)	Permitted Encumbrances

Section 11.4 Priority

CanArgo Energy Corporation shall not, without the consent of the Required Holders issue any Indebtedness with priority over, or pari passu with, the Notes.

Section 11.6 Restricted Payments.

CanArgo Energy Corporation will not make any Restricted Payments, except: (a) CanArgo Energy Corporation may declare and pay (i) dividends with respect to its Equity Interests payable solely in additional shares of its Equity Interests or Indebtedness and (ii) interest and principal on Indebtedness owed by CanArgo Energy Corporation to another CanArgo Group Member in either case which does not contravene the provisions of the Note Purchase Agreement, and (b) CanArgo Energy Corporation may make distributions pursuant to and in accordance with stock incentive plans or other Plans for management or employees of CanArgo Energy Corporation and its Subsidiaries.

Section 11.7 Sale–and-leasebacks.

CanArgo Energy Corporation will not, and will not permit any of its Subsidiaries to, enter into any Sale-and-Leaseback Transaction.

Section 11.8 Sale of Assets, etc.

(1) Sale of Assets etc. CanArgo Energy Corporation will not, and will not permit any other CanArgo Group Members to, make any Transfer, provided that the foregoing restriction does not apply to a Transfer if:

(a)

the property that is the subject of such Transfer constitutes either: (i) inventory held for sale (including the sale of Hydrocarbons in the ordinary course of business, including, without limitation, pursuant to advance sale contracts, forward contracts and production payments), (ii) abandonments, assignments, leases, subleases or farm-outs of oil and gas properties or dispositions of properties pursuant to operating agreements or other forms of exploration and development agreements or option agreements; or (iii) property, equipment, fixtures, supplies or materials no longer required in the operation of the business of CanArgo Energy Corporation or such Subsidiary or that is redundant, condemned, obsolete, and, in the case of any Transfer described in clauses (i) through (iii), such Transfer is in the ordinary course of business (an “Ordinary Course Transfer”); or

(b)

either:

(i)	such Transfer is from a CanArgo Group Member to CanArgo Energy Corporation; or
(ii)	such Transfer is from CanArgo Energy Corporation to a CanArgo Group Member or from a CanArgo Group Member to another CanArgo Group Member and in either case is for Fair Market Value,

so long as immediately before and immediately after the consummation of such transaction, and after giving effect thereto, no Default or Event of Default exists or would exist (each such Transfer, an “Intergroup Transfer”); or

(c) such Transfer involves oil and gas properties or interests therein that are exchanged for other oil and gas properties or interests therein in arms length transactions or such Transfer is pursuant to a Permitted Farmout Arrangement.

(2) Disposal of Ownership of a CanArgo Group Member. CanArgo Energy Corporation will not, and will not permit any CanArgo Group Members to, sell or otherwise dispose of any shares of Subsidiary Stock, nor will CanArgo Energy Corporation permit any such CanArgo Group Member to issue, sell or otherwise dispose of any shares of its own Subsidiary Stock, provided that the foregoing restrictions do not apply to:

(a)	the issue of directors’ qualifying shares by any such Material Subsidiary;
(b)	any such Transfer of Material Subsidiary Stock constituting an Intergroup Transfer;

(c)	any such Transfer of Material Subsidiary Stock by a nominee holder as required pursuant to the terms of a Pledge Agreement;
(d)	any issuance of shares of Subsidiary Stock by a Material Subsidiary that qualifies as a Permitted Farmout Arrangement; and
(e)	the disposition or dissolution of any Subsidiary that is not a Material Subsidiary; provided that the proceeds of such disposition or assets of the Subsidiary are transferred to another CanArgo Group Member and immediately before and immediately after the consummation of such transaction, and after giving effect thereto, no Default or Event of Default exists or would exist.

Section 11.9 Future Indebtedness.

Without the prior written consent of the Required Holders, which consent shall not be unreasonably withheld, conditioned or delayed, CanArgo Energy Corporation will not incur any Indebtedness after the date of the Note Purchase Agreement other than: (a) Indebtedness outstanding under the Notes; (b) any additional unsecured Indebtedness, the aggregate amount outstanding thereunder at any time shall not exceed US$1,250,000; (c) unsecured Indebtedness of CanArgo Energy Corporation to another CanArgo Group Member or unsecured Indebtedness of a CanArgo Group Member or direct or indirect Subsidiary of CanArgo Energy Corporation to another CanArgo Group Member; and (d) Indebtedness of a CanArgo Group Member to a direct or indirect Subsidiary of CanArgo Energy Corporation that is not a Material Subsidiary, provided that the aggregate amount outstanding thereunder at any time shall not exceed US$1,000,000. In considering whether to give its consent to any future Indebtedness, the Required Holders shall be entitled to take into consideration, inter alia, the potential effects of any such proposed Indebtedness upon the financial condition and wherewithal of CanArgo Energy Corporation and/or upon their rights under the Loan Documents, and any decision by the Required Holders to withhold their consent to any such proposed future Indebtedness shall be final and binding absent a showing of manifest bad faith.

Section 11.10 Basic Documents.

CanArgo Energy Corporation shall not and shall not permit any other CanArgo Group Member, without the prior written consent of the Required Holders to (i) cancel or terminate any Basic Agreement to which CanArgo Energy Corporation or other CanArgo Group Members are a party or consent to or accept any cancellation or termination thereof prior to the scheduled expiration thereof; (ii) sell, assign (other than pursuant to the Security Documents or a Permitted Farmout Arrangement) or otherwise dispose of (by operation of law or otherwise) any part of its interest in any Basic Agreements; (iii) waive any default under or breach of any provision of any Basic Agreement to which CanArgo Energy Corporation or any of its Subsidiaries are a party, or waive, fail to enforce, forgive, compromise, settle, adjust or release any Material right, interest or entitlement, howsoever arising, under, or in respect thereof; or (iv) amend, supplement, modify or in any way vary in any respect or agree to any variation of any provision of any Basic Agreement to which CanArgo Energy Corporation or any other CanArgo Group Members are a party, or of the performance of any Material covenant or obligation by any other Person under any Basic

Agreement except any amendment, supplement, modification or variation of the Basic Agreements as a result of the transfer by (x) NOC (Cyprus)’s interest in the Ninotsminda PSC (as defined in Schedule 6.19) to NOC (Jersey) and (y) CNL (Cyprus)’s interest in the Norio PSC and Tbilisi PSC (both as defined in Schedule 6.19) to CNL (Jersey).

Section 11.11 Anti-takeover Defense.

(a)	Except has hereinafter specifically provided, so long as any Indebtedness under any of the Notes is outstanding, CanArgo Energy Corporation shall not enter into or adopt any anti-takeover defense, “poison pill”, shareholder rights plan or any other device designed to prevent a takeover, hostile or otherwise, that could encumber, restrict or affect Ingalls & Snyder LLC, Robert L Gipson, Thomas O Boucher, and/or Ingalls & Snyder Value Partners L.P. to acquire any Equity Interests of CanArgo Energy Corporation;
(b)	Notwithstanding the provisions of Section 11.11(a) to the contrary provided, CanArgo Energy Corporation may enter into or adopt an anti-takeover defense, “poison pill”, shareholder rights plan or any other device designed to prevent Ingalls & Snyder LLC, Robert L Gipson, Thomas O Boucher , and/or Ingalls & Snyder Value Partners LP or other Note holders to acquire such Equity Interests by means of or in connection with the direct or indirect forbearance, cancellation or exchange of all or any part of the Indebtedness evidenced by the Notes;
(c)	Notwithstanding the provisions of Section 11.11(a) to the contrary provided, Ingalls & Snyder Value Partners L.P. hereby agrees that so long as any Notes are outstanding and no Event of Default exists and is continuing and until the expiration of the second anniversary after the indefeasible satisfaction of all Indebtedness under the Notes, whether by payment, conversion, exchange or otherwise (other than in connection with any proceeding under the United States Bankruptcy Code), Ingalls & Snyder Value Partners L.P. shall not, without the express written consent or approval of the incumbent Board of Directors of CanArgo Energy Corporation, solicit or otherwise seek to effect or participate in a Change of Control of CanArgo Energy Corporation or a change in the composition of the incumbent Board of Directors by means of the purchase or offer to purchase of any Equity Interests of CanArgo Energy Corporation, the solicitation of proxies or written consents, or by voting any Equity Interests acquired by Ingalls & Snyder Value Partners L.P. upon the conversion of Notes pursuant to Section 10.7, in connection with any solicitation of proxies or written consents or at any regular or special meeting of shareholders or otherwise.

EX-10.4

Exhibit 10.4

AMENDMENT, CONSENT, WAIVER AND RELEASE

     This AMENDMENT, CONSENT, WAIVER AND RELEASE (this “Agreement”) is made and entered into as of the 9th day of February, 2007 by and among Tethys Petroleum Limited, a company incorporated and existing in the Island of Guernsey (“TPL”) (formerly known as Tethys Petroleum Investments Limited), Tethys Kazakhstan Limited, a company incorporated and existing in the Island of Guernsey (“TKL,” and together with TPL, each a “Company” and collectively the “Companies”), and 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 Purchase Agreement, 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 (the “Subordinated Notes”); and

     WHEREAS, each of the Companies is a party to that certain Subordinated Subsidiary Guaranty Agreement dated as of March 3, 2006 (the “Guaranty Agreement”) by and among the Companies and the other Guarantors named therein in favor of the Subordinated Noteholders, pursuant to which the Companies and such other Guarantors guaranteed the payment of the Subordinated Notes;

     WHEREAS, CanArgo and certain persons (the “Senior Noteholders”) have entered into a Note Purchase Agreement dated as of July 25, 2005, as amended, pursuant to which CanArgo issued $25 million in aggregate principal amount of senior secured promissory notes due July 25, 2009 (the “Senior Secured Notes”) and, on or about the date of this Agreement, the Senior Noteholders have entered into a security interest agreement pursuant to which the Senior Noteholders have been granted a share pledge over the interest in TPL held by CanArgo Limited, a company incorporated and existing in the Island of Guernsey and wholly owned by CanArgo (“CanArgo Limited”);

     WHEREAS, TPL is contemplating raising a minimum of US$10 million dollars in additional capital by means of an issue of equity;

     WHEREAS, CanArgo, the Companies and the Subordinated Noteholders wish to amend the Note Purchase Agreement and the Guaranty Agreement such that neither TKL nor TPL shall be a Guarantor under the Guaranty Agreement in order to facilitate such equity offering; and

     WHEREAS, in order to induce the Subordinated Noteholders to agree to amend the Note Purchase Agreement and the Guaranty Agreement and thereby facilitate the proposed equity issue by TPL, CanArgo is prepared to cause CanArgo Limited to grant a subordinated security interest in CanArgo Limited’s interest in TPL to the Subordinated Noteholders.

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     NOW, THEREFORE, in consideration of the foregoing and for other good and valuable consideration, the receipt and sufficiency or which is hereby acknowledged and confirmed, 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. Consent, Waiver and Release. Notwithstanding the provisions of any Loan Document to the contrary provided, in accordance with Section 19 of the Note Purchase Agreement and Section 19 of the Guaranty Agreement, the Subordinated Noteholders hereby irrevocably and unconditionally:

          (a) consent to, and waive any rights they may have under the Note Purchase Agreement or any other Loan Documents in connection with, (i) the amendment of the Note Purchase Agreement to delete any reference to the Companies from Schedules 6.11 and 7.4 thereto and (ii) the amendment of the Guaranty Agreement to delete any reference to the Companies from the definition of “Guarantor” or “Guarantors” therein and to release both Companies from their obligations as Guarantors thereunder. The consents, releases, amendments and waivers granted in this Section 2 only apply to the matters described in clause (i) and (ii) above, and do not constitute a waiver of, or consent to, any other amendment to or waiver of any other provisions of the Loan Documents;

          (b) hereby release each of the Companies and their respective successors, assigns, officers, directors, shareholders, agents and employees from any and all claims, damages, losses or liability, which they now have or may in the future acquire from this date until the end of time, in respect of, or attributable to any and all obligations of the Companies arising under or in connection with the Note Purchase Agreement and the Guaranty Agreement; and

          (c) hereby release CanArgo and its successors, assigns, officers, directors, shareholders, agents and employees from any all claims, damages, losses or liability, which they now have or may in the future acquire from this date until the end of time, arising under or attributable to the release of the Companies of their obligations under the Note Purchase Agreement and the Guaranty Agreement.

     3. Amendment of the Note Purchase Agreement.

(a)	Schedules 6.11 and 7.4 to the Note Purchase Agreement are hereby amended nunc pro tunc to delete therefrom any reference to the Companies.
(b)	Section 11.7(a) to the Note Purchase Agreement is hereby amended nunc pro tunc by adding the following language at the end thereof:-
	“For the avoidance of doubt, in the event that the holders of the Notes elect to convert their Notes into Tethys Common Stock pursuant to this Section 11.7(a), the shares of Tethys Common Stock which the

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relevant Noteholders shall be entitled to receive upon conversion pursuant to this Section shall be satisfied by the transfer of such number of shares of Tethys Common Stock by CanArgo Limited, a company incorporated under the laws of the Island of Guernsey, to the relevant Noteholder.”

     4. Amendment of the Guaranty Agreement. The Guaranty Agreement is hereby amended nunc pro tunc by deleting any reference to either of the Companies as a “Guarantor” thereunder.

     5. Minimum Proceeds. The parties hereby acknowledge that the consent and waiver granted by the Purchasers pursuant to this Agreement is conditional upon TPL receiving a minimum of US$10 million of aggregate gross proceeds from the issue of ordinary shares of £0.01 each in the capital of TPL in connection with a proposed investment in TPL to be completed on or about the date of this Agreement.

     6. TPL Share Pledge. CanArgo hereby agrees that it shall use its reasonable endeavors to procure that TPL and CanArgo Limited enter into a further security interest agreement pursuant to which the Subordinated Noteholders shall be granted a second ranking lien over CanArgo Limited’s interest in TPL subordinated in right of payment to the Senior Indebtedness, including, without limitation, to the indebtedness of CanArgo under the Senior Secured Notes.

     7. 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.

     8. Miscellaneous.

          (a) Successors and Assigns; Headings; Choice of Law, etc. This Agreement shall be binding on and shall inure to the benefit of CanArgo, each Company and the Subordinated Noteholders and their respective successors and assigns, heirs and legal representatives; provided that neither CanArgo nor any Company may assign its rights hereunder without the prior written consent of the Company and 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

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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 effective as 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.

TETHYS PETROLEUM LIMITED
By:	/s/ Dr David Robson
	Name:	Dr David Robson
	Title:	Chairman & Managing Director

TETHYS KAZAKHSTAN LIMITED
By:	/s/ Elizabeth Landles
	Name:	Elizabeth Landles
	Title:	Director

CANARGO ENERGY CORPORATION
By:	/s/ Dr David Robson
	Name:	Dr David Robson
	Title:	Chairman & CEO

SUBORDINATED NOTEHOLDERS:

THOMAS L. GIPSON

/s/ Thomas O. Boucher Jr.

Thomas O. Boucher Jr., Attorney-in-fact

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ROBERT L. GIPSON

/s/ Robert L. Gipson

Robert L. Gipson

PENRITH LTD.
By:	/s/ Yvonne Koenig
Name: Yvonne Koenig
Title:
PERSISTENCY
By:	/s/ Andrew J. Morris
Name: Andrew J. Morris
Title: Director
AGREED AND ACKNOWLEDGED

CANARGO LIMITED
By:	/s/ Dr David Robson
	Name:	Dr David Robson
	Title:	Director

CANARGO LTD.
By:	/s/ Dr David Robson
	Name:	Dr David Robson
	Title:	Director

CANARGO NORIO LIMITED
By:	/s/ Elizabeth Landles
	Name:	Elizabeth Landles
	Title:	Director

CANARGO (NAZVREVI) LIMITED
By:	/s/ Elizabeth Landles
	Name:	Elizabeth Landles
	Title:	Director

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NINOTSMINDA OIL COMPANY LIMITED
By:	/s/ Dr David Robson
	Name:	Dr David Robson
	Title:	Director

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EX-10.5

Exhibit 10.5

AMENDMENT, CONSENT, WAIVER AND RELEASE

     This AMENDMENT, CONSENT, WAIVER AND RELEASE (this “Agreement”) is made and entered into as of the 9th day of February, 2007 by and among Tethys Petroleum Limited, a company incorporated and existing in the Island of Guernsey (“TPL”) (formerly known as Tethys Petroleum Investments Limited), Tethys Kazakhstan Limited, a company incorporated and existing in the Island of Guernsey (“TKL,” and together with TPL, each a “Company” and collectively the “Companies”), and Persistency, a company incorporated in the Cayman Islands (“Purchaser”).

     WHEREAS, CanArgo Energy Corporation, a Delaware corporation (“CanArgo”), and the Purchaser have entered into a Note Purchase Agreement dated as of June 28, 2006 (the “Note Purchase Agreement”), pursuant to which CanArgo issued $10,000,000 in aggregate principal amount of a 12% Subordinated Convertible Guaranteed Promissory Note due September 1, 2009 (the “12% Subordinated Note”); and

     WHEREAS, each of the Companies is a party to that certain Subordinated Subsidiary Guaranty Agreement dated as of June 28, 2006 (the “Guaranty Agreement”) by and among the Companies and the other Guarantors named therein in favor of the Purchaser, pursuant to which each of the Companies and such other Guarantors guaranteed the payment of the 12% Subordinated Note;

     WHEREAS, CanArgo and certain persons (the “Senior Noteholders”) have entered into a Note Purchase Agreement dated as of July 25, 2005, as amended, (the “Senior Note Purchase Agreement”), pursuant to which CanArgo issued $25 million in aggregate principal amount of senior secured promissory notes due July 25, 2009 (the “Senior Secured Notes”) and, on or about the date of this Agreement, the Senior Noteholders have entered into a security interest agreement pursuant to which the Senior Noteholders have been granted a share pledge over the interest in TPL held by CanArgo Limited, a company incorporated and existing in the Island of Guernsey and wholly owned by CanArgo (“CanArgo Limited”);

     WHEREAS, TPL is contemplating raising a minimum of US$10 million dollars in additional capital by means of an issue of equity;

     WHEREAS, CanArgo, the Companies and the Purchaser wish to amend the Note Purchase Agreement and the Guaranty Agreement such that neither TKL nor TPL shall be a Guarantor under the Guaranty Agreement in order to facilitate such equity offering; and

     WHEREAS, in order to induce the Purchaser to agree to amend the Note Purchase Agreement and the Guaranty Agreement and thereby facilitate the proposed equity issue by TPL, CanArgo is prepared to cause CanArgo Limited to grant a subordinated security interest in CanArgo Limited’s interest in TPL to the Purchaser.

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     NOW, THEREFORE, in consideration of the foregoing and for other good and valuable consideration, the receipt and sufficiency or which is hereby acknowledged and confirmed, 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. Consent, Waiver and Release. Notwithstanding the provisions of any Loan Document to the contrary provided, in accordance with Section 19 of the Note Purchase Agreement and Section 18 of the Guaranty Agreement, the Purchaser hereby irrevocably and unconditionally:

          (a) consents to, and waives any rights it may have under the Note Purchase Agreement or any other Loan Documents in connection with, (i) the amendment of the Note Purchase Agreement to delete any reference to the Companies from Schedules 6.11 and 7.4 thereto and (ii) the amendment of the Guaranty Agreement to delete any reference to the Companies from the definition of “Guarantor” or “Guarantors” therein and to release both Companies from their obligations as Guarantors thereunder. The consents, releases, amendments and waivers granted in this Section 2 only apply to the matters described in clause (i) and (ii) above, and do not constitute a waiver of, or consent to, any other amendment to or waiver of any other provisions of the Loan Documents;

          (b) hereby releases each of the Companies and their respective successors, assigns, officers, directors, shareholders, agents and employees from any all claims, damages, losses or liability, which they now have or may in the future acquire from this date until the end of time, in respect of, or attributable to any and all obligations of the Companies arising under or in connection with the Note Purchase Agreement and the Guaranty Agreement; and

          (c) hereby releases CanArgo and its successors, assigns, officers, directors, shareholders, agents and employees from any all claims, damages, losses or liability, which they now have or may in the future acquire from this date until the end of time, arising under or attributable to the release of the Companies of their obligations under the Note Purchase Agreement and the Guaranty Agreement.

     3. Amendment of the Note Purchase Agreement. Schedules 6.11 and 7.4 to the Note Purchase Agreement are hereby amended nunc pro tunc to delete therefrom any reference to the Companies.

     4. Amendment of the Guaranty Agreement. The Guaranty Agreement is hereby amended nunc pro tunc by deleting any reference to either of the Companies as a “Guarantor” thereunder.

     5. Minimum Proceeds. The parties hereby acknowledge that the consent and waiver granted by the Purchaser pursuant to this Agreement is conditional upon TPL receiving a minimum of US$10 million of aggregate gross proceeds from the issue of

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ordinary shares of £0.01 each in the capital of TPL in connection with a proposed investment in TPL to be completed on or about the date of this Agreement.

     6. TPL Share Pledge. CanArgo hereby agrees that it shall use its reasonable endeavors to procure that TPL and CanArgo Limited enter into a further security interest agreement pursuant to which the Purchaser shall be granted a third ranking lien over CanArgo Limited’s interest in TPL subordinated in right of payment to the Senior Indebtedness, including, without, limitation, to the indebtedness of CanArgo under the Senior Secured Notes and under the Senior Subordinated Convertible Guaranteed Promissory Notes due September 1, 2009.

     7. 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.

     8. Miscellaneous.

          (a) Successors and Assigns; Headings; Choice of Law, etc. This Agreement shall be binding on and shall inure to the benefit of CanArgo, each Company and the Purchaser and their respective successors and assigns, heirs and legal representatives; provided that neither CanArgo nor any Company may assign its rights hereunder without the prior written consent of the Company and 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.

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     (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 effective as 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.

TETHYS PETROLEUM LIMITED
By:	/s/ Dr David Robson
	Name:	Dr David Robson
	Title:	Chairman & Managing Director

TETHYS KAZAKHSTAN LIMITED
By:	/s/ Elizabeth Landles
	Name:	Elizabeth Landles
	Title:	Director

CANARGO ENERGY CORPORATION
By:	/s/ Dr David Robson
	Name:	Dr David Robson
	Title:	Chairman & CEO

PURCHASER:
PERSISTENCY
By:	/s/ Andrew J. Morris
Name: Andrew J. Morris
Title: Director

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AGREED AND ACKNOWLEDGED

CANARGO LIMITED
By:	/s/ Dr David Robson
	Name:	Dr David Robson
	Title:	Director

CANARGO LTD.
By:	/s/ Dr David Robson
	Name:	Dr David Robson
	Title:	Director

CANARGO NORIO LIMITED
By:	/s/ Elizabeth Landles
	Name:	Elizabeth Landles
	Title:	Director

CANARGO (NAZVREVI) LIMITED
By:	/s/ Elizabeth Landles
	Name:	Elizabeth Landles
	Title:	Director

NINOTSMINDA OIL COMPANY LIMITED
By:	/s/ Dr David Robson
	Name:	Dr David Robson
	Title:	Director

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