Document:

exv10w4

 

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 	 

6exv10w5

 

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.

1

 

     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

2

 

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.

3

 

     (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 	 

5

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