Document:

EX-10.2

Exhibit 10.2

SEPARATION AGREEMENT AND FULL RELEASE

     This Agreement is made and entered into this the 30th day of September, 2008 by and
between BioMimetic Therapeutics, Inc., a Delaware corporation with its principal business address
at 389 Nichol Mill Lane, Franklin, TN 37067 (the “Company”), and Charles E. Hart (“Employee”) on
the following terms and conditions.

     WHEREAS, Employee has been employed by the Company as Vice President, Chief Scientific Officer
pursuant to an Employment Agreement dated December 8, 2003, as modified and extended by agreement
effective February 1, 2008 (the “Employment Agreement”); and

     WHEREAS, the parties wish to terminate Employee’s employment with the Company and the
Employment Agreement.

     NOW, THEREFORE, in consideration of the mutual promises contained herein, and other good and
valuable consideration, the parties covenant and agree as follows:

     1. Termination of Employment and Employment Agreement. Employee’s employment with
Company shall be terminated as of September 30, 2008 (the “Effective Date”). Earned but unpaid
salary and unreimbursed expenses through the last day of employment will be paid in a lump sum
within thirty (30) days of the Effective Date. Employee and the Company acknowledge and agree that
both parties are subject to the Employment Agreement, an Indemnification Agreement dated May 12,
2006 (“Indemnification Agreement”) and a Confidential Information and Inventions Agreement (“CIIA”)
executed on October 18, 2004. In consideration of the payments and other consideration set forth
herein, the Employment Agreement shall terminate effective as of the Effective Date, except for
those provisions of Section 9 which shall remain in full force and effect, and Employee shall abide
by the post-employment restrictions and obligations set forth in the CIIA, and the Company shall
abide by the post-employment obligations of the Indemnification Agreement.

     2. Benefits. Company shall continue to pay the premiums for Employee’s existing health
insurance (medical, optical and dental), life insurance, and long-term disability insurance
benefits minus all usual and customary deductions (including deducting from the Severance Payments
that portion of such premiums which the Employee has been responsible for) through the end of 2008.
For the period extending from January 1, 2009 to September 30, 2009, the Company shall pay the
premiums for such benefits at the same level the Company makes such payments for other employees.
Employee shall be permitted to elect his insurance coverages for that period and the Company shall
be permitted to deduct from the Severance Payments the appropriate employee contribution based on
the coverages selected by the Employee. Employee shall be permitted to continue participation in
the Company sponsored Section 125 flexible spending account benefit thru the end of 2008, and shall
be permitted to reenroll in such benefit or terminate his participation for the period extending
from January 1, 2009 to September 30, 2009. Except as provided by COBRA continuation coverage
provisions, all of Employee’s health benefits will cease on the last day of the twelfth month
following the Effective Date. If eligible, Employee may continue health insurance coverage in
accordance with COBRA after that time. Company will additionally pay the Employee a lump sum to
compensate him for

 

 

vacation time that he has accrued but not used. Such lump sum payment shall be made within
fourteen (14) days of the Effective Date. To the extent permitted by U.S. tax laws and
regulations, Employee shall be permitted to continue to make contributions to his 401(k) retirement
account through payroll deductions from his Severance Payments. The Company shall remain obligated
to transfer to Employee’s 401(k) account the Company matching 401(k) BMTI common stock for 2007.
All other benefits shall terminate as of the Effective Date.

     3. Out Placement. . In consideration of Employee’s release and covenants contained
below, Company shall make available to Employee out placement counseling through a third party,
Right Management. Such counseling shall be available to the Employee for a period of six (6)
months from the execution of this Agreement, provided that counseling is begun within thirty (30)
days of termination of employment.

     4. Severance Payments. 

     (a) In consideration of Employee’s release and covenants contained below, Company agrees to
pay Employee a prorated amount of his current base salary for nine (9) months minus all usual and
customary deductions, and less any amount the Employee receives from another employer (the
“Severance Payments”). The Severance Payments shall be prorated and paid every two weeks in
accordance with Company’s standard payroll process following the Effective Date of this Agreement.

     (b) Employee shall also remain eligible to receive a bonus for 2008 in the amount of $35,250
(“2008 Bonus”), which represents a prorated amount based on Employee’s bonus received for 2007.
Employee shall only receive the 2008 Bonus if the Company’s Chief Executive Officer or a direct
report to the Company’s Chief Executive Officer receives a bonus for 2008, and in such event the
2008 Bonus shall be paid at such time that the Company pays bonus[es] to such person[s]. If no
such person receives a bonus, Employee shall not be entitled to receive a 2008 Bonus.

     (c) Employee’s existing incentive stock option agreements shall remain in place and Employee
shall be entitled to continue accruing vesting of stock options under such agreements until March
31, 2009. Each such stock option agreement is hereby amended to provide that at any time prior to
September 30, 2009, Employee may exercise any stock option that is either currently vested or which
vests by March 31, 2009. Employee acknowledges and agrees that to the extent required by the U.S.
tax laws and regulations, the Company may convert such incentive stock options to non-qualified
stock options as a result of the changes set forth herein.

     (d) The acceptance by Employee of the Severance Payments (including the extended Severance
Payments set forth in below in Section 7), any 2008 Bonus, extended stock option rights set forth
above in section 4(c), and the lump sum payment for accrued unused vacation time shall constitute a
full and final discharge of any and all obligations on the part of Company for salary or other
wages or benefits to Employee, whether under the Employment Agreement or otherwise.

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     5. Cooperation; Confidentiality; Non-Compete and Non-Solicitation Covenants; Return of
Property. Employee acknowledges and agrees that the provisions of the CIIA and Section 9 of
the Employment Agreement relating to cooperation in legal actions, confidential information, and
non-compete and non-solicitation covenants, remain in full force and effect and are material terms
and conditions of this Agreement. While the Employee is receiving payments under this Agreement,
Employee shall make himself available to provide reasonable consultation to company on an
occasional basis as mutually acceptable to the Employee and the Company. Employee acknowledges and
agrees that he is subject to the provisions of Sections 9(b), 9(c), and 9(e) of the Employment
Agreement for the time periods set forth therein, and is further subject to the restrictions set
forth in the CIIA for the time periods set forth therein. Employee further agrees that for a
period of twelve (12) months from the Effective Date he will not directly or indirectly manage,
consult or work for, serve as employee, officer, director, consultant, agent or subcontractor for,
finance, or own any part of or exercise management control over any business or entity wherein the
Employee is directly or indirectly engaged in the development and/or commercialization of a
Competitive Product. A “Competitive Product” shall mean any product that contains recombinant
platelet-derived growth factor, recombinant insulin-like growth factor, or any recombinant
osteoinductive protein, including bone morphogenetic proteins. Not withstanding the foregoing,
nothing herein shall prevent the purchase or ownership by the Employee of less than 1% of the
outstanding shares in a publicly or privately held corporation that is in competition with the
Company. Employee further acknowledges and agrees that the provisions of this Section 5, the CIIA,
and Section 9 of the Employment Agreement are intended to protect Company’s interest in certain
trade secrets and other proprietary and confidential information and that such provisions are
reasonable and valid in geographical and temporal scope and in all other respects and that he has
received good, valid and sufficient consideration for such covenants. Employee represents that he
has returned to Company all information and materials described in Sections 1 and 6 of the CIIA and
Section 9(b) of the Employment Agreement and has otherwise complied with the CIIA and Section 9 of
the Employment Agreement in all respects. Employee further covenants that he shall immediately
return to Company all property of the Company, including but not limited to all records and
memoranda relating to the business of the Company, that is in his possession.

     6. Release. In consideration of the Severance Payments, Employee fully and forever
releases Company and its officers, directors, employees, stockholders, consultants, affiliates,
successors and assigns, from any and all liability, causes of action, suits, damages, claims and
demands whatsoever arising from or resulting in any way from the Employment Agreement, Company’s
operations, or Employee’s employment with Company, including but not limited to any and all
contract and tort claims either directly or indirectly arising from or resulting in any way from
the Company’s activities leading to or associated with the termination of the Employment Agreement.
The Company fully and forever releases Employee from any and all liability, causes of action,
suits, damages, claims and demands whatsoever arising from or resulting in any way from the
Employment Agreement, Company’s operations, or Employee’s employment with Company, including but
not limited to any and all contract and tort claims either directly or indirectly arising from or
resulting in any way from the Company’s activities leading to or associated with the termination of
the Employment Agreement.

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     7. Payment in Consideration of Age Discrimination Claims. Although Employee has never
raised an age discrimination issue, in order for this Agreement to be a release of all claims as
contemplated by both parties, federal law stipulates that Employee specifically release any
potential claims on the basis of age discrimination. Therefore, in addition to the consideration
provided in paragraphs 2 and 4 above, Company shall extend Employee’s Severance Payments for an
additional three (3) months of a prorated amount of current base salary minus all usual and
customary deductions, and less any amount the Employee receives from another employer. In exchange
for this consideration, Employee specifically releases Company, and the other related parties
included in paragraph 6 above, from any claims based upon any law prohibiting discrimination on the
basis of Employee’s age including but not limited to the Age Discrimination in Employment Act
(“ADEA”). Employee does not waive rights or claims under the ADEA that may arise after the date
this Agreement is executed by Employee.

     Employee shall have up to 21 days in which to consider this Agreement. If the Employee
returns an executed copy of this Agreement to Company before the 21 days has expired, then he
expressly waives the right to the remaining time. After the execution of this Agreement, Employee
shall have an additional seven (7) days to revoke the portion of this Agreement that relates to the
settlement of any age discrimination claims only. With the exception of the portion of this
paragraph 7, which relates to the settlement of the age discrimination claim, the Agreement shall
become effective on the date it is executed by the parties. Notwithstanding any revocation of the
settlement of the age discrimination claims pursuant to this paragraph 7, the remainder of this
Agreement, including without limitation, Employee’s release of all other claims, shall remain valid
and in full force and effect and the Agreement shall be enforceable according to its terms.
Therefore, this Agreement as to release of the age discrimination claims only shall become final on
the eighth (8th) day after Employee has executed it.

     To revoke this Agreement as to the age discrimination claims, Employee must notify Company in
writing before the close of business on the seventh (7th) day after he signs the
Agreement.

     8. Covenant not to Sue. Employee covenants that he will not initiate or bring or
cooperate in any proceeding, suit or claim, or administrative procedure against Company or its
officers, directors, employees, shareholders, consultants, affiliates, successors and assigns and
will not, except as required by law, cooperate in the investigation or institution of any such
proceeding, suit or claim brought by or initiated by and third party against Company, its
affiliates, agents, employees, officers, successors and assigns.

     9. Agreement is Voluntary and Knowing. Employee acknowledges he understands the terms
and conditions of this Agreement. Employee has had the opportunity to discuss thoroughly all
aspects of this Agreement with his legal counsel, including all rights available to him under the
ADEA, and has been advised to do so by Company.

     Employee is voluntarily entering into this Agreement, of his own free will, free of any
coercion, pressure or duress. He is knowingly releasing Company in accordance with the terms
contained herein. Employee further acknowledges that he is receiving consideration beyond anything
of value to which he is already entitled. Should Employee ever attempt to challenge

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this Agreement, Employee shall as a precondition return to Company all consideration provided
to Employee hereunder.

     10. Goodwill of Company. Each party agrees not to disparage the other party, including
the Company’s officers, directors, employees, consultants or affiliates, to third parties or in
public or otherwise take any action or make any comment that would harm the goodwill of Company or
the reputation of the Employee. In the event Employee makes any comments or takes any action,
which in the sole discretion of Company, harms the goodwill of Company, then provided that such
comments or actions are documented by a third party, in addition to any other remedy that the
Company may have, Company may provide Employee with fourteen (14) days notice of its intent to
cease any further Severance Payments. Such notice shall include a copy of the documentation of the
Employee’s comments and/or actions upon which the Company has based its decision. During the
notice period, Employee and his legal counsel shall be permitted to meet with the management of the
Company to review the issues. In the event that the Company terminates the Severance Payments
pursuant to this Section or the Company breaches its obligations under this Section 10 by making
any comments or taking any action that harms the reputation of the Employee, Employee’s release
under Section 6 and covenant not to sue under Section 8 of this Agreement shall not preclude
Employee from pursing legal action against the Company for inappropriately terminating the
Severance Payments or breach of this Section 10.

     11. Confidentiality. Company and Employee agree that the circumstances of Employee’s
separation from Company shall remain confidential; provided however, that the provisions of this
paragraph shall not apply if a party is compelled to reveal information by operation of law.
Company and Employee shall agree on a mutual public statement for external distribution regarding
the circumstances of Employee’s separation from Company. In addition, in order to preserve
confidentiality, Employee shall make no further comments regarding the Company’s operations. In
the event that Company receives a request to provide a reference for Employee, Company shall
provide only Employee’s dates of employment and title. Notwithstanding the foregoing, Employee
shall be permitted to disclose to potential employers the scope of the non-compete obligations set
forth herein.

     12. Obligations Unconditional/Acceleration. Employee’s obligations under this Agreement
shall continue in the event Company ceases to make Severance Payments as a result of Employee’s
material breach of this Agreement. In the event Company fails to make any payment due hereunder
within ten (10) days of Employee’s notice to Company of such failure, Employee may accelerate all
further payments due hereunder by providing the Company with a notice of acceleration, and all
payments remaining hereunder shall become due within thirty (30) days of such notice of
acceleration.

     13. Remedies. In the event of any breach of this Agreement by Employee, Company shall be
entitled to recover damages resulting from that breach and in addition, seek an injunction, both
preliminary and final, enforcing this Agreement. In addition, if Employee breaches his covenants
contained in paragraphs 5, 6, 7 or 8, he will forfeit his right to any remaining Severance Payments
or health benefits except as provided by COBRA and will repay all consideration received from
Company under this Agreement. In the event Employee breaches the covenants contained in paragraph
8 of this Agreement by filing a charge, suit or

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claim of any kind against Company in a court of law
or before a governmental unit or in any other forum,
Employee shall repay all consideration he received from Company under this Agreement. The
election of any one remedy by Company will not constitute a waiver of its right to pursue any other
remedy. The repayment of consideration by Employee shall not bar Company from recovering actual
damages resulting from any breach of this Agreement by Employee.

     14. No Admission. This Agreement shall not be construed as an admission by either party.

     15. Survivor Benefits. In the event of Employee’s death prior to September 30, 2009,
Employee’s estate or his named beneficiaries shall be entitled to receive any remaining unpaid
Severance Payments, and 2008 Bonus payment to which Employee would be entitled to receive under
this Agreement.

     16. Miscellaneous.

          (a) Entirety and Amendments and Governing Law. This Agreement supersedes any prior
agreements between the parties except as noted herein and constitutes and contains the entire
agreement and understanding between the parties and may not be modified except by a writing signed
by both parties. This Agreement is to be construed under and governed by the laws of the State of
Tennessee.

          (b) Invalid Provisions. If any provision of this Agreement is held to be unenforceable by
a Court, the remaining provisions shall remain in full force and, in lieu of any such unenforceable
provision, there shall be added automatically as a part of this Agreement a provision as similar in
terms to such unenforceable provision as may be possible and be legal, valid, and enforceable.

          (c) Successors and Assigns. The provisions hereof shall inure to the benefit of and be
binding upon the successors and assigns of the parties hereto as provided herein. The rights and
obligations of Employee are not assignable or delegable. Company may assign this Agreement.

          (d) Attorneys Fees. In the event of any legal action to enforce this Agreement or to
recover damages or other relief on account of any breach of this Agreement, the prevailing party
will be entitled (in addition to any and all other remedies) to recover its reasonable attorneys’
fees that it may incur in connection with such action.

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     IN WITNESS WHEREOF, the parties have executed this Separation Agreement and Full Release on
this 30th day of September, 2008.

	 	 	 	 	 	 	 
	 	 	Charles E. Hart	 	 
	 
	 	 	 	 	 	 
	 	 	/s/ Charles E. Hart	 	 
	 	 	 	 	 
	 
	 	 	 	 	 	 
	 	 	BioMimetic Therapeutics, Inc.	 	 
	 
	 	 	 	 	 	 
	 

	 	BY:
	 	/s/ Samuel Lynch
 

Samuel Lynch 

President & CEO
	 	 

7EX-4.1

Exhibit 4.1

AMENDED AND RESTATED

CERTIFICATE OF DESIGNATION

OF

SERIES A CUMULATIVE PREFERRED STOCK

OF

TRIDENT RESOURCES CORP.

     Trident Resources Corp., a Delaware corporation (the “Company”), hereby certifies that the
following resolution was adopted by the Board of Directors of the Company, as required by Section
151 of the Delaware General Corporation law pursuant to a unanimous written consent in lieu of
meeting of the Board of Directors:

     RESOLVED, that pursuant to the authority expressly granted to and vested in the Board of
Directors of the Company (the “Board of Directors”) by the provisions of the Fourth Amended and
Restated Certificate of Incorporation of the Company (the “Certificate of Incorporation”), there is
hereby created, out of the ten million (10,000,000) shares of preferred stock, par value $0.0001
per share, of the Company authorized in Article Fourth of the Certificate of Incorporation (the
“Preferred Stock”), a series of the Preferred Stock consisting of eight million (8,000,000) shares,
which series shall have the following powers, designations, preferences and relative,
participating, optional or other rights, and the following qualifications, limitations and
restrictions (in addition to any powers, designations, preferences and relative, participating,
optional or other rights, and any qualifications, limitations and restrictions, set forth in the
Certificate of Incorporation which are applicable to the Preferred Stock).

Section 1. Designation of Series A Cumulative Preferred Stock.

     (a) The series of shares of Preferred Stock created hereby shall be designated the
“Series A Cumulative Preferred Stock” and the authorized number of shares constituting such
series shall be eight million (8,000,000). The Series A Cumulative Preferred Stock shall
rank senior to the Company’s common stock, par value $0.0001 per share (“Common Stock”), as
to dividends and distributions and as to distributions of assets upon the liquidation,
dissolution, or winding up of the Company, whether voluntary or involuntary. All dollar
amounts set forth herein are in U.S. dollars unless otherwise specified.

Section 2. Dividends.

     (a) Regular Dividends. Each holder of a share of Series A Cumulative Preferred
Stock will be entitled to receive dividends on the Face Amount (as defined in Section 3(a))
at the rates specified in Section 2(b) (and on accrued but unpaid Regular Dividends at the
rates set forth in Section 2(c)) from the Original Issuance Date (as defined in Section
2(d)) to and including the earlier of (i) the date upon which the applicable share is
redeemed and (ii) the date of a Liquidation (as defined in Section 3(a)) of the Company
(such dividends, together with any dividends that accrue on such dividends pursuant to
Section 2(c) below, shall be collectively referred to as the “Regular Dividends”). The
Regular Dividends shall be cumulative and shall accrue on a daily basis whether or not
declared by the Board of Directors and whether or not there are

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profits, surplus or other funds legally available for the payment of the Regular
Dividends. Subject to Section 5(d)(iv), the Company shall pay the Regular Dividends
quarterly in cash on or before the thirtieth day after the last day of the quarter in which
they accrued to the holder of record of each share of Series A Cumulative Preferred Stock as
of the close of business on the tenth business day prior to the date of payment, provided
that, subject to the provisions of Section 2(b) below, the Company shall not be required to
pay the Regular Dividends quarterly in cash with respect to any periods (i) prior to the
second anniversary of the Original Issuance Date, or (ii) after the second anniversary of
the Original Issuance Date if at any time during the thirty days following any quarterly
dividend period for which Regular Dividends are otherwise to be paid currently: (A) any
provision of the Delaware General Corporation Law or any other applicable law, rule or,
regulation restricts the right or power of the Company to pay cash dividends, (B) any
provision of a Debt Instrument (as defined in Section 2(d)) restricts the right or power of
the Company to pay cash dividends, or (C) any provision of a Debt Instrument or the terms of
any outstanding preferred capital stock of TEC (as hereinafter defined) restricts the right
or power of TEC to pay cash dividends, make any return of capital in cash, lend money or
repay indebtedness to the Company (items (B) and (C) herein being collectively referred to
as “Debt Restrictions”).

     (b) Rate of Accrual. The Regular Dividends shall accrue on each share of the
Series A Cumulative Preferred Stock at the annual rate of 7.0% of the Face Amount; provided
that, if the Company does not pay in cash any Regular Dividends on or before the thirtieth
day after the last day of the quarterly period in which such Regular Dividends accrued,
then, with respect to any such quarterly period (i) prior to the second anniversary of the
Original Issuance Date, the Regular Dividends will accrue at the annual rate of 9.0% of the
Face Amount or (ii) after the second anniversary of the Original Issuance Date, the Regular
Dividends will accrue at the annual rate of 11.0% of the Face Amount.

     (c) Accrual on Accrued but Unpaid Dividends. Any accrued Regular Dividends
that are not paid in cash on or before the thirtieth day after the last day of the quarter
in which they accrued shall, beginning on the first day of the quarter commencing
immediately after the quarter in which such Regular Dividends accrued and for so long as
such Regular Dividends are unpaid, (i) accrue dividends (A) with respect to periods prior to
the second anniversary of the Original Issuance Date, at an annual rate of 9.0% of the
aggregate amount of the accrued and unpaid Regular Dividends and the accrued and compounded
dividends on such Regular Dividends and (B) with respect to periods after the second
anniversary of the Original Issuance Date, at an annual rate of 11.0% of the aggregate
amount of the accrued and unpaid Regular Dividends and the accrued and compounded dividends
on such Regular Dividends, and (ii) compound monthly.

     (d) Certain Definitions. The term “Original Issuance Date” means, as to each
share of Series A Cumulative Preferred Stock, the date such share is issued. The term “Debt
Instrument” means any instrument, agreement, security or facility pursuant to which the
Company or TEC is a primary or secondary obligor, including as a debtor or guarantor,
whether absolute or contingent, for obligations characterized as indebtedness under
accounting principles generally accepted in the United States, whether or not there

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are any amounts outstanding under such instrument, agreement, security or facility and
whether or not such instrument, agreement, security or facility may then be terminated by
the Company or TEC. The term “TEC” means Trident Exploration Corp., a subsidiary of the
Company, and any successor entity or entities.

     (e) Additional Dividends. In addition to Regular Dividends, in the event any
dividends are declared or paid or any other distribution is made on or with respect to the
Company’s Common Stock, the holders of the Series A Cumulative Preferred Stock as of the
close of business of the record date established by the Board of Directors for such dividend
or distribution on the Common Stock shall be entitled to receive as additional dividends
(the “Additional Dividends”) an amount (whether in the from of cash, securities or other
property) per share of Series A Cumulative Preferred Stock equal to the amount (and in the
form) of the dividends or distribution payable per share to the holders of Common Stock,
such Additional Dividends to be payable on the same payment date as the payment date of the
dividend on the Common Stock; provided, however, that no dividend or distribution payable in
Common Stock shall be payable in respect of the Series A Cumulative Preferred Stock.

     (f) Priority of Dividends. No dividend shall be paid or declared on any share
of Common Stock, unless (i) all accrued Regular Dividends on the Series A Cumulative
Preferred Stock have been paid in full in compliance with the provisions hereof and
(ii) such dividends on the Common Stock are paid or declared in full compliance with the
provisions of Section 2(e) above. The payment of Regular’ Dividends on the Series A
Cumulative Preferred Stock shall be (i) junior to the payment of dividends on any class or
series of Preferred Stock or other class or series of the Company’s capital stock ranking
senior as to dividend rights, (ii) payable on a pari passu basis with any payment of
dividends on any class or series of Preferred Stock or any other class or series of the
Company’s capital stock ranking pari passu as to dividend rights to the Series A Cumulative
Preferred Stock, and (iii) payable prior to any payment of dividends to the holders of the
Common Stock or any class or series of Preferred Stock or other class or series of the
Company’s capital stock ranking junior as to dividend rights to the Series A Cumulative
Preferred Stock.

     (g) Upon and immediately prior to the redemption of any share of Series A Cumulative
Preferred Stock, all accrued and unpaid Regular Dividends and Additional Dividends on such
share shall be paid in accordance with Section 5(d)(iv) below.

     (h) Notwithstanding the foregoing or any other provision of this Certificate of
Designation, the declaration and payment of all dividends in cash or in shares of Common
Stock (as provided by Section 5(d)(iv)) shall be subject to the provisions of Delaware
General Corporation Law governing distributions on equity securities.

Section 3. Liquidation Preference.

     (a) Liquidation. In the event of a liquidation, dissolution, liquidating
bankruptcy; or winding-up of the Company or other distribution of the assets of the Company
among its stockholders for the purpose of winding up the Company’s affairs,

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whether voluntary or involuntary (a “Liquidation”), each holder of the Series A
Cumulative Preferred Stock shall be entitled to receive, per share of such Series A
Cumulative Preferred Stock so held, out of the available assets of the Company, an amount
equal to the greater of (i) (A) $62.50 (the “Face Amount”), plus (B) the amount of any
accrued and unpaid Regular Dividends as of such date, plus (C) any declared but unpaid
Additional Dividends as of such date (the sum of such amounts for all Series A Cumulative
Preferred Stock then outstanding collectively being the “Series A Liquidation Preference”),
and (ii) the amount such holder would have received if the share of Series A Cumulative
Preferred Stock had been redeemed and the associated Warrant (as defined in Section
5(d)(iii) below) exercised for the purchase of shares of the Company’s Common Stock
immediately prior to the Liquidation.

     (b) Priority. The payment of the amount specified in Section 3(a) shall be
made (i) after any payment shall be made or any assets distributed to the holders of any
class or series of Preferred Stock or other class or series of the Company’s capital stock
ranking senior as to liquidation rights to the Series A Cumulative Preferred Stock,
(ii) simultaneously with any payment that shall be made or any assets distributed to the
holders of any class or series of Preferred Stock or any other class or series of the
Company’s capital stock ranking pari passu as to liquidation rights to the Series A
Cumulative Preferred Stock (“Pari Passu Stock”), and (iii) before any payment shall be made
or any assets distributed to the holders of the Common Stock or any class or series of
Preferred Stock or other class or series of the Company’s capital stock ranking junior as to
liquidation rights to the Series A Cumulative Preferred Stock. After payment in full of the
amount specified in section 3(a), the holders of Series A Cumulative Preferred Stock shall
not be entitled to any further payment or distribution of assets of the Company. If, upon
any Liquidation, after payment shall be made or assets distributed to the holders of any
class or series of Preferred Stock or other class or series of the Company’s capital stock
ranking senior as to liquidation rights to the Series A Cumulative Preferred Stock, the
remaining assets available for payment of the Series A Liquidation Preference and any
liquidation preference associated with any outstanding Pari Passu Stock (the “Pari Passu
Liquidation Preference”) are insufficient to permit the payment to the holders of the Series
A Cumulative Preferred Stock and such Pari Passu Stock of the full Series A Liquidation
Preference and the Pari Passu Liquidation Preference, as applicable, then all the remaining
available assets shall be distributed ratably among the holders of the then outstanding
Series A Cumulative Preferred Stock and Pari Passu Stock in proportion to the Series A
Liquidation Preference and Pari Passu Liquidation Preference of each such holder.

     (c) Valuation. Whenever any distribution provided for hereunder shall be
payable in securities or property other than cash, the value of such distribution shall be
the fair market value of such securities or property as determined in good faith by a
majority of the Board of Directors of the Company.

Section 4. Voting Rights.

     (a) General. The holders of outstanding shares of the Series A Cumulative
Preferred Stock:

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     (i) shall be entitled to vote together with the holders of the Common Stock as
a single class on all matters submitted for a vote of holders of Common Stock;

     (ii) shall have such other voting rights as are specified in the Certificate of
Incorporation or as otherwise provided by the Delaware General Corporation Law; and

     (iii) shall be entitled to receive notice of any stockholders’ meeting in
accordance with the Certificate of Incorporation and bylaws of the Company.

     For purposes of the voting rights set forth in this Section 4(a), each holder of Series
A Cumulative Preferred Stock shall be entitled to cast one vote for each share of Series A
Cumulative Preferred Stock then held.

     (b) Separate Series Vote. So long as any shares of Series A Cumulative
Preferred Stock remain outstanding, the Company shall not take any of the following actions
without the consent of the holders of at least a majority of the then outstanding shares of
Series A Cumulative Preferred Stock:

     (i) amend this Certificate of Designation or the Amended and Restated
Certificate Of Designation of Series B Cumulative Preferred Stock of the Company
(the “Series B Certificate of Designation”);

     (ii) amend or waive any provision of the Company’s Certificate of Incorporation
or the Company’s bylaws if such amendment or waiver would adversely affect the
rights of the holders of the Series A Cumulative Preferred Stock;

     (iii) other than pursuant to contractual obligations of the Company or TEC in
existence on March 10, 2005, and other than to former, current or future employees,
officers, directors and consultants of the Company or TEC, cause TEC to issue shares
of capital stock, or securities convertible into, or exercisable or exchangeable
for, shares of the capital stock of TEC, to any party other than the Company or any
entity directly or indirectly wholly owned by the Company;

     (iv) cause TEC to pay or declare dividends in respect of any class of its
capital stock, other than dividends 100% of which are payable to the Company or any
entity directly or indirectly wholly owned by the Company, dividends in respect of
TEC’s outstanding preferred stock as of March 10, 2005, and dividends declared or
paid in respect of TEC’s outstanding common stock as of March 10, 2005 issued in
connection with a transaction that involves the redemption, repurchase,
cancellation, exchange or conversion of any such shares;

     (v) purchase or redeem any shares of the Common Stock of the Company, or any
shares of Preferred Stock of the Company the rights, priorities or preferences of
which are junior to those of the Series A Cumulative Preferred Stock with respect to
dividend rights or liquidation rights (provided, that consent

5

 

by holders of the Series A Cumulative Preferred Stock to such purchases and
redemptions shall not be unreasonably withheld), other than (i) the repurchase or
redemption, from any former, current or future employees, officers, directors and
consultants of the Company or TEC, of Common Stock of the Company, or options to
purchase Common Stock of the Company and (ii) repurchases of Common Stock of the
Company pursuant to the satisfaction of exercised put rights of all Warrants (as set
forth in Section 7 of each Warrant) associated with the shares of Series A
Cumulative Preferred Stock;

     (vi) cause TEC to purchase or redeem any shares of capital stock of TEC, or
securities convertible into, or exercisable or exchangeable for, shares of capital
stock of TEC; other than (a) any purchase, redemption, cancellation, exchange or
conversion of the shares of TEC’s outstanding preferred stock as of March 10, 2005,
(b) any purchase or redemption pursuant to any contractual obligation of the Company
or TEC in existence on March 10, 2005 (c) any purchase or redemption of shares of
capital stock of TEC owned by the Company or entity directly or indirectly wholly
owned by the Company, (d) any purchase or redemption from current, former or future
employees, officers, directors and consultants of the Company or TEC, and (e) any
purchase, redemption, cancellation, exchange or conversion of TEC’s outstanding
common stock as of March 10, 2005;

     (vii) after March 10, 2009, enter (or cause or permit TEC to enter) into any
credit, debt or other agreement, facility or instrument of the Company or TEC that
matures or terminates after March 10, 2013 and which contains a Put Restriction (as
defined in Section 4(c) below) that applies on March 10, 2013;

     (viii) after March 10, 2009, amend (or cause or permit TEC to amend) any then
existing credit, debt or other agreement, facility or instrument of the Company or
TEC that matures or terminates after March 10, 2013 (or which by such amendment
would mature on or after March 10, 2013) in a manner that adds to such credit, debt
or other agreement, facility or instrument a Put Restriction that applies on March
10, 2013;

     (ix) after March 10, 2009, amend (or cause or permit TEC to amend) any then
existing credit, debt or other agreement, facility or instrument of the Company or
TEC that contains a Put Restriction to extend the date of maturity or termination to
a date that is on or after March 10, 2013 if and only if under such credit, debt or
other agreement, facility or instrument as amended, the Put Restriction is also
extended to apply on March 10, 2013; or

     (x) after March 10, 2009, amend (or cause or permit TEC to amend) any then
existing credit agreement or facility of the Company or TEC that matures or
terminates after March 10, 2013 and which contains a Put Restriction that applies on
March 10, 2013 in a manner that increases the stated dollar maximum borrowing amount
under such agreement, facility or instrument.

6

 

     (c) Preferred Class Vote. So long as any shares of Series A Cumulative
Preferred Stock remain outstanding, the Company shall not, and shall not permit any of its
Subsidiaries to, take any of the following actions without the consent of the holders of at
least a majority of the then outstanding shares of Series A Cumulative Preferred Stock and
Series B Cumulative Preferred Stock, voting together as single class with each holder of
Series A Cumulative Preferred Stock and Series B Cumulative Preferred Stock being entitled
to cast one vote for each share of Series A Cumulative Preferred Stock and Series B
Cumulative Preferred Stock then held (with terms used in this paragraph (c) and not
otherwise defined herein having the meanings set forth in Appendix A hereto):

     (i) other than the Series B Cumulative Preferred Stock outstanding as of August
20, 2007, authorize for issuance or issue any class or series of Preferred Stock or
other class or series of the Company’s capital stock with rights, priorities or
preferences senior to or on parity with those of the Series A Cumulative Preferred
Stock (any such class or series being “Senior Stock”), including without limitation
(i) in respect of the right to receive dividends, (ii) in respect of the right to
receive assets upon the liquidation, dissolution or winding up of the affairs of the
Company, or (iii) in respect of redemption or repurchase rights (it being understood
and agreed that any class or series of Preferred Stock or other class or series of
the Company’s capital stock which are permitted to be redeemed or repurchased by the
Company or any of its direct or indirect subsidiaries, or which the Company of any
of its direct or indirect subsidiaries could be obligated to redeem or repurchase,
at any time the Series A Cumulative Preferred Stock remains outstanding shall
constitute Senior Stock for all purposes hereof);

     (ii) create, incur or suffer to exist any Debt, except for Permitted Debt;

     (iii) except in respect of transactions between or among the Company and/or one
or more of its Wholly-Owned Subsidiaries, enter into any contract, agreement or
transaction whatsoever, including for the sale, purchase, lease or other dealing in
any property or the provision of any services (other than (i) office and
administration services provided in the ordinary course of business or (ii) acting
as a director of the Company or one or more of its Subsidiaries), with any Related
Party; and

     (iv) sell, lease, transfer or otherwise dispose of any assets, or grant any
option or other right to purchase, lease or otherwise acquire any assets, except for
Permitted Dispositions.

     (d) For purposes of the foregoing, “Put Restriction” shall mean a provision in any
credit, debt or other agreement, facility or instrument of the Company or any of its
subsidiaries or affiliates that prevents, restricts, limits or otherwise would prevent (i)
the Company from, on March 10, 2013, satisfying in full in cash all put rights (as set forth
in Section 7 of each Warrant) of all Warrants associated with all then outstanding shares of
Series A Cumulative Preferred Stock or (ii) TEC from, on March 10, 2013, making cash
payments to the Company in an amount sufficient for the Company to satisfy such put rights
in full in cash.

7

 

Section 5. Redemption.

Each share of Series A Cumulative Preferred Stock shall be redeemable at the Redemption Price (as
determined pursuant to Section 5(d)(iii)) and on the Redemption Date (as determined pursuant to
Section 5(d)(ii)), and in accordance with the other provisions of this Section 5 as set forth
below.

     (a) Mandatory Redemption. Upon the earlier of:

     (i) a Qualified Public Offering (as defined below); or

     (ii) (subject to the qualification in this Section 5(a) below) March 10, 2013,

each of the then issued and outstanding shares of Series A Cumulative Preferred
Stock shall be redeemed by the Company on the Redemption Date (as determined in
Section 5(d)(ii)(a) or (b), as applicable) for an amount per share equal to the
Redemption Price. Notwithstanding the foregoing, if on March 10, 2013, due to (i) a
Debt Restriction, or (ii) applicable provisions of Delaware law regarding repurchase
of shares of capital stock for cash (each a “Redemption Restriction”), the Company
is unable to satisfy in cash all determined put rights of all outstanding Warrants
(as set forth in Section 7 of each Warrant) associated with all of the then
outstanding shares of Series A Cumulative Preferred Stock, then the mandatory
redemption pursuant to Section 5(a)(ii) shall be delayed until the date upon which
all Redemption Restrictions no longer exist.

     (b) Redemption at the Company’s Option.

     (i) At any time after March 10, 2008, subject to the limitations set forth in
Section 7.1 of the associated Warrant, the Company may redeem on the Redemption Date
(as determined in Section 5(d)(ii)(c)) any or all of the then outstanding shares of
Series A Cumulative Preferred Stock for an amount per share equal to the Redemption
Price; provided that, if the Company elects to redeem less than all of the then
outstanding shares of Series A Cumulative Preferred Stock, then such shares shall be
redeemed ratably among the holders of the then outstanding shares of Series A
Cumulative Preferred Stock

     (ii) In connection with a Change of Control (as defined in Section 5(e)(iii)),
subject to the limitations set forth in Section 7.1 of the associated Warrant, the
Company may on the Redemption Date (as determined in Section 5(d)(ii)(d)) redeem any
or all of the then outstanding shares of Series A Cumulative Preferred Stock for an
amount per share equal to the Redemption Price; provided that, if the Company elects
to redeem less than all of the then outstanding shares of Series A Cumulative
Preferred Stock, then such shares shall be redeemed ratably among the holders of the
then outstanding shares of Series A Cumulative Preferred Stock.

     (c) Redemption at the Holder’s Option.

8

 

     (i) At any time after March 10, 2008, any holder of shares of Series A
Cumulative Preferred Stock may require the Company to redeem on the Redemption Date
(as determined in Section 5(d)(ii)(e)) all, but not less than all, of the shares of
Series A Cumulative Preferred Stock held by such holder for an amount per share
equal to the Redemption Price.

     (ii) In connection with a Change of Control, each holder of shares of Series A
Cumulative Preferred Stock may require the Company to redeem on the Redemption Date
(as determined in Section 5(d)(ii)(f)) any or all of such holder’s shares of Series
A Cumulative Preferred Stock, for an amount per share equal to the Redemption Price.

     (iii) At any time after February 20, 2010, the holders of a majority of the
then outstanding shares of Series A Cumulative Preferred Stock and Series B
Cumulative Preferred Stock, taken together as single class with each share of Series
A Cumulative Preferred Stock and Series B Cumulative Preferred Stock being treated
as a single share for purposes of determining such majority, may require the Company
to redeem on the Redemption Date (as determined in Section 5(d)(ii)(g)) all, but not
less than all, of the then outstanding shares of Series A Cumulative Preferred Stock
and Series B Cumulative Preferred Stock for an amount per share equal to the
Redemption Price.

     (d) Redemption Procedures. The Company and the holders of the outstanding
shares of Series A Cumulative Preferred Stock shall effect the redemption of any shares of
Series A Cumulative Preferred Stock according to the following redemption procedures:

     (i) Notice of the redemption shall be provided as follows:

	 	a)	 	Within ten business days after an
initial filing by the Company of a registration statement on
Form S-1, which registration statement relates to an anticipated
Qualified Public Offering, the Company shall provide written
notice of such filing to each holder of shares of Series A
Cumulative Preferred Stock. However, the Company is not
required to provide the holders, of the shares of Series A
Cumulative Preferred Stock with any advance notice of the
Redemption Date in connection with the redemption of any shares
of Series A Cumulative Preferred Stock pursuant to Section
5(a)(i).
	 
	 	b)	 	In connection with the redemption
of any shares of Series A Cumulative Preferred Stock pursuant to
Section 5(a)(ii), at least 120 days prior to the Redemption
Date, the Company shall provide written notice of such
Redemption Date to each holder of Series A Cumulative Preferred
Stock; provided, that if a Redemption Restriction exists on

9

 

	 	 	 	March 10, 2013, the Company shall not be required to provide
subsequent notice of the cessation of any Redemption
Restriction.
	 
	 	c)	 	In connection with the redemption
of any shares of Series A Cumulative Preferred Stock pursuant to
Section 5(b)(i), the Company shall provide to each holder of
shares of Series A Cumulative Preferred Stock written notice of
the Redemption Date and the number of shares to be redeemed at
least 30 days in advance of the Redemption Date.
	 
	 	d)	 	In connection with any Change of
Control (whether or not the Company intends to effect the
redemption of any shares of Series A Cumulative Preferred Stock
pursuant to Section 5(b)(ii)), the Company shall provide to each
holder of shares of Series A Cumulative Preferred Stock written
notice of the anticipated date of the closing of the transaction
or transactions by which the Change of Control occurs either (i)
at least 30 days in advance of the Change of Control or (ii)
fewer than 30 days prior to the Change of Control; provided
that, if the Company provides such notice fewer than 30 days
prior to the Change of Control, the Company shall (i) set aside
and make available for payment an amount of cash (or, to the
extent payable in accordance with Section 5(d)(iv), a number of
shares of Common Stock (or if as a result of such Change of
Control the Company merges with another entity and is not the
survivor or the Common Stock otherwise would no longer exist,
the amount of cash, securities or other property that would be
received by a holder of that number of shares oldie Company’s
Common Stock)), sufficient to pay the aggregate accrued and
unpaid Regular Dividends and Additional Dividends as of the
later of the date of the Change of Control, or, if applicable,
the Redemption Date and (ii) make similar provisions for the
Warrant associated with each then outstanding share of Series A
Cumulative Preferred Stock (in lieu of setting aside an amount
equal to the Redemption Price of the outstanding shares of
Series A Cumulative Preferred Stock). If the Company elects to
redeem any shares of Series A Cumulative Preferred Stock
pursuant to Section 5(b)(ii), it shall include in each such
written notice of the Change of Control notice of the
anticipated Redemption Date and the number of shares to be
redeemed. If the Change of Control does not occur, then the
Shares of Series A Cumulative Preferred Stock shall not be
redeemed, all notices given pursuant to this Section 5(d)(i)(d)
shall be deemed revoked, and the

10

 

	 	 	 	Company shall deliver notice to the holders of the Series A
Cumulative Preferred Stock that the Change of Control will
not be consummated.
	 
	 	e)	 	In connection with the redemption
of any shares of Series A Cumulative Preferred Stock pursuant to
Section 5(c)(i), the holder thereof shall deliver to the Company
written notice of such holder’s election to redeem and the
Redemption Date at least 90 days in advance of such Redemption
Date.
	 
	 	f)	 	In connection with any Change of
Control, the Company shall provide to each holder of shares of
Series A Cumulative Preferred Stock written notice of the
anticipated date of the Change of Control (i) at least 30 days
in advance of the Change of Control or (ii) fewer than 30 days
prior to the Change of Control (provided that the Company in
such a circumstance comply with the procedures set forth in
Section 5(d)(i)(d) above). Any holder of Series A Cumulative
Preferred Stock that elects to redeem any or all of his or her
shares pursuant to Section 5(c)(ii) shall deliver notice of such
election and the number of the shares to be redeemed to the
Company within 10 days of the date the Company provides the
notice of the Change of Control. If the Change of Control does
not occur, then no shares of Series A Cumulative Preferred Stock
shall be redeemed pursuant to Section 5(c)(ii), the Redemption
Date shall not occur, all notices given pursuant to this Section
5(d)(i)(f) shall be deemed revoked, and the Company shall
deliver notice to the holders of the Series A Cumulative
Preferred Stock that the Change of Control will not be
consummated.
	 
	 	g)	 	In connection with the redemption
of the shares of Series A Cumulative Preferred Stock and Series
B Cumulative Preferred Stock pursuant to Section 5(c)(iii), such
majority shall deliver to the Company written notice of the
election to redeem and the Redemption Date, which must be at
least 30 days in advance of such Redemption Date.
	 
	 	h)	 	All notices to be provided
pursuant to this Section 5 by the Company to any holder of the
Series A Cumulative Preferred Stock shall be sent by the Company
via registered mail service to the holders of record. All
notices to be provided pursuant to this Section 5 by any holder
of the Series A Cumulative Preferred Stock to the Company shall
be sent by such holder to the Company via registered mail
service. Absent evidence of prior actual receipt, all notices

11

 

	 	 	 	to be provided pursuant to this Section 5 by the Company to
any holder of Series A Cumulative Preferred Stock or by any
such holder to the Company shall be deemed to be “provided”
on the next calendar day after being registered in the
possession of a registered mail service.

     (ii) With respect to the redemption of any share of the Series A Cumulative
Preferred Stock, the “Redemption Date” shall be determined as follows:

	 	a)	 	With respect to a redemption
pursuant to Section 5(a)(i), the date of the closing of a
Qualified Public Offering.
	 
	 	b)	 	With respect to a redemption
pursuant to Section 5(a)(ii), the later of March 10, 2013 or the
first date after March 10, 2013 upon which no Redemption
Restriction exists; provided that if prior to such date an
initial public offering of the Company’s Common Stock which is
not a Qualified Public Offering (a “Non Qualified IPO”) shall
have been consummated and such Redemption Date would fall on a
date not later than the twenty fifth trading day after such Non
Qualified IPO, such Redemption Date shall be delayed until the
twenty fifth trading day after the closing of such Non Qualified
IPO.
	 
	 	c)	 	With respect to a redemption
pursuant to Section 5(b)(i), the date specified as the
Redemption Date in the notice mailed by the Company pursuant to
Section 5(d)(i)(c); provided that if prior to such date a Non
Qualified IPO shall have been consummated and such Redemption
Date would fall on a date not later than the twenty fifth
trading day after such Non Qualified IPO, such Redemption Date
shall be delayed until the twenty fifth trading day after the
closing of such Non Qualified IPO.
	 
	 	d)	 	With respect to a redemption
pursuant to Section 5(b)(ii), the date that is the later of (i)
the date of the consummation of the transaction or transactions
constituting the Change of Control and (ii) the thirtieth (30th)
day after the date the Company provides written notice of the
potential Change of Control pursuant to Section 5(d)(i)(d).
	 
	 	e)	 	With respect to a redemption
pursuant to Section 5(c)(i), the date set forth in the written
notice provided by the holder pursuant to Section 5(d)(i)(e);
provided that such date may not be any earlier than the
ninetieth (90th) calendar day after the date the holder provides
such written

12

 

	 	 	 	notice to the Company, and further provided that if prior to
such date a Non Qualified IPO shall have been consummated and
such Redemption Date would fall on a date not later than the
twenty fifth trading day after such Non Qualified IPO, such
Redemption Date shall be delayed until the twenty fifth
trading day after the closing of such Non Qualified IPO.
	 
	 	f)	 	With respect to a redemption
pursuant to Section 5(c)(ii), the date that is the later of (i)
the date of the consummation of the transaction or transactions
constituting the Change of Control and (ii) the thirtieth (30th)
day after the date the Company provides written notice of the
potential Change of Control pursuant to Section 5(d)(i)(f).
	 
	 	g)	 	With respect to a redemption
pursuant to Section 5(c)(iii), the date set forth in the written
notice provided by the holders pursuant to Section 5(d)(i)(g)
(which date shall be at least ten (10) business days after the
final determination of the valuation of Common Stock issued in
connection with such redemption, as determined pursuant to
Section 5(f)(v)); provided that such date may not be any earlier
than the ninetieth (90th) calendar day after the date the
holders provide such written notice to the Company.

     (iii) The “Redemption Price” per share of Series A Cumulative Preferred Stock
shall be equal to $40, subject to adjustment as set forth below. Such Redemption
Price shall be paid to the holder of record as of the close of business the business
day prior to the Redemption Date of the share of Series A Cumulative Preferred Stock
that is to be redeemed. If the funds of the Company legally available for
redemption of shares of Series A Cumulative Preferred Stock on any Redemption Date
are insufficient to pay the Redemption Price of the total number of shares to be
redeemed on such date, those funds which are legally available shall be used to
first pay the Redemption Price applicable to the maximum possible number of shares
of Series A Cumulative Preferred Stock redeemable on such Redemption Date ratably
among the holders of the then outstanding shares of Series A Cumulative Preferred
Stock to be redeemed. At any time thereafter when additional funds of the Company
are legally available for the redemption of shares of Series A Cumulative Preferred
Stock, such funds shall immediately be used to pay the Redemption Price of the
balance of the shares which the Company has become obligated to redeem on any
Redemption Date but which it has not redeemed.

Each share of Series A Cumulative Preferred Stock shall be issued in conjunction
with the sale of an associated warrant to purchase the Company’s Common Stock (a
“Warrant,” and together with the associated share of Series A Cumulative Preferred
Stock, a “Unit”) with an exercise price equal to the Redemption Price.

13

 

For Canadian tax purposes the total purchase price paid by the initial purchasers
for each Unit must be allocated between the share of Series A Cumulative Preferred
Stock and the associated Warrant on a reasonable basis. The Redemption Price is,
equal to the amount of the initial purchase price for each Unit allocated to each
share of Series A Cumulative Preferred Stock included in such Unit based on a
financial value allocation calculation for allocating value among the share of
Series A Cumulative Preferred Stock and its associated Warrant (the “Allocation”).
If a Canadian federal tax authority having jurisdiction in the matter should at any
time issue or propose to issue an assessment or reassessment which imposes or would
impose liability for Canadian tax on the basis that the Allocation is unreasonable
and if the Company agrees with such assessment or reassessment, or a Court or
tribunal having jurisdiction in the matter agrees with such assessment or
reassessment and all appeal rights have been exhausted or if all times for appeals
have expired without appeals having been taken, then the Allocation shall be
adjusted retroactively to reflect an appropriate re-allocation and the Redemption
Price of the Series A Cumulative Preferred Stock shall be adjusted retroactively to
the date of issuance of the shares of Series A Cumulative Preferred Stock, to equal
the amount of the initial purchase price for the Unit allocated under such
re-allocation to each share of Series A Cumulative Preferred Stock. In these
circumstances, the exercise price of each associated Warrant will also be
retroactively adjusted to equal the Redemption Price as adjusted hereunder pursuant
to the terms of the Warrant.

     (iv) On any Redemption Date, all accrued and unpaid Regular Dividends and any
declared and unpaid Additional Dividends on such shares as are to be redeemed on
such Redemption Date shall, with respect to the Regular Dividends, be declared, and
with respect to both the Regular Dividends and the Additional Dividends, be paid as
dividends immediately prior to redemption. If on such Redemption Date there is no
then effective Debt Restriction, the Company shall pay all such accrued and unpaid
Regular Dividends and any unpaid Additional Dividends to the holder of record as of
the close of business on the business day prior to such Redemption Date in full and
in cash. If on such Redemption Date a Debt Restriction exists, the Company shall
pay to such holder all accrued and unpaid Regular Dividends and Additional
Dividends, to the extent permitted by the Debt Restriction, in cash, and shall pay
the remaining accrued but unpaid Regular Dividends and any unpaid Additional
Dividends in shares of Common Stock (which shall be valued pursuant to Section 5(f)
below). Notwithstanding the foregoing or any other provision of this Certificate of
Designation, the declaration and payment of all dividends in cash or in shares of
Common Stock shall be subject to the provisions of Delaware General Corporation Law
governing dividends in respect of capital stock.

     (v) On any Redemption Date, the Company shall pay the Redemption Price for each
share of Series A Cumulative Preferred Stock being redeemed and immediately after
the Redemption Price is paid in full and all Regular Dividends and Additional
Dividends have been paid in full pursuant to Section 5(d)(iv) all rights of the
holder of each such share shall cease, and each such share shall no

14

 

longer be outstanding. Any shares of Series A Cumulative Preferred Stock which
are redeemed or otherwise acquired by the Company shall be canceled and shall not be
reissued, sold or transferred.

     (vi) In the event fewer than all of the shares of Series A Cumulative Preferred
Stock represented by an issued share certificate are redeemed upon a Redemption
Date, and assuming proper delivery of such share certificate to the Company, the
Company shall in a reasonably prompt manner issue a new certificate to such holder
evidencing the remaining number of shares of Series A Cumulative Preferred Stock
that were not redeemed on such Redemption Date.

     (e) Certain Definitions.

     (i) An “Affiliate” means any Person which, directly or indirectly, controls, is
controlled by or is under common control with another Person; and, for the purposes
of this definition, “control” (including, with correlative meanings, the terms
“controlled by” or “under common control with”) means the power to direct or cause
the direction of the management and policies of any Person, whether through the
ownership of shares or other economic interests, the holding of voting rights or
contractual rights or otherwise.

     (ii) A “Qualified Public Offering” shall mean the consummation of a public
offering of the Company’s Common Stock with gross proceeds of at least $100 million
in the aggregate.

     (iii) A “Change of Control” shall mean any sale of the Company or a transaction
or series of related transactions (including but not limited to a merger or
reorganization) which results in holders of the Company’s capital stock outstanding
immediately prior to such transaction or series of related transactions owning less
than 50% of the securities of the surviving entity having the power to elect
directors in the ordinary course of business, or a sale of all or substantially all
the assets of the Company.

     (f) Any share of Common Stock issuable in payment of Regular Dividends or Additional
Dividends on a share of Series A Cumulative Preferred Stock pursuant to Section 5(d)(iv) or
upon exercise of a Warrant associated with any share of Series A Cumulative Preferred Stock
shall be valued as follows:

     (i) If issued in connection with a redemption pursuant to Section 5(a)(i), at
the gross price per share of Common Stock of the Company sold in such Qualified
Public Offering (without deduction for underwriting or other discounts or expenses).

     (ii) If issued in connection with a redemption pursuant to Section 5(b)(ii) or
Section 5(c)(ii), at the price per share of Common Stock of the Company that is
stated or implicit (as determined in good faith by a majority of the Board of
Directors of the Company) in the transaction or transactions resulting in such
Change of Control.

15

 

     (iii) If issued in connection with a redemption pursuant to Section 5(a)(ii),
Section 5(b)(i) or Section 5(c)(i) and if the Redemption Date of such redemption is
after a Non Qualified IPO, at the price equal to the average closing price of the
shares of the Common Stock during the period of twenty trading days ending five days
prior to the Redemption Date of such redemption; provided, that with respect to a
redemption pursuant to Section 5(a)(ii), the Company shall obtain and deliver to
each holder of shares of Series A Cumulative Preferred Stock within 90 days prior to
the Redemption-Date a fair market valuation of the shares of the Company’s Common
Stock then outstanding from a non-Affiliate third party investment bank (a “Common
Stock Valuation”). The non-Affiliate third party investment bank shall be chosen by
the Company but shall be subject to the approval of holders of a majority of the
then outstanding shares of Series A Cumulative Preferred Stock, such approval not to
be unreasonably withheld. Each holder of shares of Series A Cumulative Preferred
Stock shall have the choice of whether to direct the Company to use the Common Stock
Valuation or the valuation determined according to the mechanics before the proviso
above in valuing the Common Stock issuable as dividends in respect of that holder’s
shares of Series A Cumulative Preferred Stock and issuable upon exercise of the
associated Warrants for the purposes set forth above.

     (iv) If issued in connection with a redemption pursuant to Section 5(a)(ii),
Section 5(b)(i) or Section 5(c)(i) and if the Redemption Date of such redemption is
prior to the completion of a Non Qualified IPO, at the price established in the last
private placement of shares of Common Stock completed by the Company prior to the
date of such redemption and exercise, so long as such private placement generated
aggregate gross proceeds of $5,000,000 or more from one or more purchasers that were
not Affiliates (as defined in Section 5(e)(i)) of the Company immediately prior to
such private placement; provided, that with respect to a redemption pursuant to
Section 5(a)(ii), the Company shall obtain and deliver to each holder of shares of
Series A Cumulative Preferred Stock within 90 days prior to the Redemption Date a
Common Stock Valuation. The non-Affiliate third party investment bank shall be
chosen by the Company but shall be subject to the approval by holders of a majority
of the then outstanding shares of Series A Cumulative Preferred Stock, such approval
not to be unreasonably withheld. Each holder of shares of Series A Cumulative
Preferred Stock shall have the choice of whether to direct the Company to use the
Common Stock Valuation or the valuation determined according to the mechanics before
the proviso above in valuing the Common Stock issuable as dividends in respect of
that holder’s shares of Series A Cumulative Preferred Stock and issuable upon
exercise of the associated Warrants for the purposes set forth above.

     (v) If issued in connection with a redemption pursuant to Section 5(c)(iii), at
the fair market value per share of Common Stock of the Company as of the Redemption
Date, as determined by an Independent Appraiser selected by a special committee of
the Board of Directors (“Special Committee”) consisting of two directors appointed
by the Required Backstop Parties (as defined in Appendix A hereto) and two
directors appointed by the Majority

16

 

Preferred Holders (as defined in Appendix A hereto). The determination
of such Independent Appraiser shall be final for all purposes of such redemption
pursuant to Section 5(c)(iii); provided, however, that if the Special Committee is
unable to agree on an Independent Appraiser within 30 days, the fair market value
per share of Common Stock of the Company as of the Redemption Date shall be the
average of the fair market value, as determined by (i) an Independent Appraiser
selected by the Special Committee directors appointed by the Backstop Parties Group
(as defined in Appendix A hereto) on the one hand (the “Backstop Appraiser”)
and (ii) an Independent Appraiser selected by the Special Committee directors
appointed by the Majority Preferred Holders on the other hand (the “Preferred
Appraiser”), unless the appraisals conducted by the Backstop Appraiser and the
Preferred Appraiser differ by more than 15%, in which case, the fair market value
shall be determined by a third Independent Appraiser selected by agreement of
Backstop Appraiser and the Preferred Appraiser. The expenses of the foregoing
Independent Appraisers shall be paid by the Company. “Independent Appraiser” means
a nationally recognized investment banking firm or other nationally recognized firm
that is regularly engaged in the business of appraising Equity Interests (as defined
in Appendix A hereto) or assets of entities as going concerns, and which is
not affiliated with the Company, any of its subsidiaries, or any Related Party.

     (g) Prohibition on Redemptions; Partial Redemptions. Notwithstanding anything
to the contrary in this Certificate of Designation or the Series B Certificate of
Designation, if, and only if, following the redemption of all shares of Series A Cumulative
Preferred Stock and Series B Cumulative Preferred Stock (A) the number of shares of the
Company’s authorized but unissued Common Stock which have not been reserved for issuance
upon exercise of the Sub Debt Warrants and 2007 TRC Lender Warrants (as defined in
Appendix A hereto) and that are otherwise available to be issued upon exercise of
(I) all of the Warrants (as defined above) and (II) all of the warrants (the “Series B
Warrants”) to purchase the Company’s Common Stock issued in conjunction with the sale of the
Company’s Series B Cumulative Preferred Stock (such number of shares of the Company’s Common
Stock, the “Available Shares”), would be less than (B) the sum of (I) the number of shares
of the Company’s Common Stock issuable upon exercise in full of the Warrants (such number of
shares of the Company’s Common Stock, the “Total Series A Shares”) and (II) the number of
shares of the Company’s Common Stock issuable upon exercise in full of the Series B Warrants
(such number of shares of the Company’s Common Stock, the “Total Series B Shares” and,
together with the Total Series A Shares, the “Total Necessary Shares”) (such shortfall, a
“Common Stock Shortfall”), then:

     (i) the Company shall provide written notice of such Common Stock Shortfall to
each holder of Series A Cumulative Preferred Stock and each holder of Series B
Cumulative Preferred Stock, which notice shall set forth a calculation of (x) the
number of Total Series A Shares, (y) the number of Total Series B Shares, and (z)
the number of Available Shares; and

17

 

     (ii) none of the outstanding shares of Series A Cumulative Preferred Stock or
Series B Cumulative Preferred Stock shall be redeemed during the continuance of a
Common Stock Shortfall; provided, however, that if holders of a
majority of the then outstanding shares of Series A Cumulative Preferred Stock and
Series B Cumulative Preferred Stock, voting together as a single class, consent in
writing to a partial redemption, then the Company shall effect a partial redemption
of the outstanding shares of Series A Cumulative Preferred Stock and Series B
Cumulative Preferred Stock in accordance with the applicable provisions of this
Section 5, Section 5 of the Series B Certificate of Designation and the following:

	 	(A)	 	the aggregate number of shares of Series A
Cumulative Preferred Stock that shall be redeemed pursuant to this
proviso shall be calculated as follows: (1) first, the “Series A
Portion” shall equal (x) a fraction, the numerator of which is the
Total Series A Shares and the denominator of which is the Total
Necessary Shares multiplied by (y) the number of Available
Shares; and (2) second, the number of shares of Series A Cumulative
Preferred Stock to be redeemed shall equal the number of shares of
Series A Cumulative Preferred Stock which, if redeemed and the
associated Warrants were exercised in full (taking account of all
shares of the Company’s Common Stock issuable pursuant to Section
5(d)(iv)), would result in the issuance of a number of shares of the
Company’s Common Stock equal to the Series A Portion;
	 
	 	(B)	 	the aggregate number of shares of Series B
Cumulative Preferred Stock that shall be redeemed pursuant to this
proviso shall be calculated as follows: (1) first, the “Series B
Portion” shall equal (x) a fraction, the numerator of which is the
Total Series B Shares and the denominator of which is the Total
Necessary Shares multiplied by (y) the number of Available
Shares; and (2) second, the number of shares of Series B Cumulative
Preferred Stock to be redeemed shall equal the number of shares of
Series B Cumulative Preferred Stock which, if redeemed and the
associated Series B Warrants were exercised in full (taking account of
all shares of the Company’s Common Stock issuable pursuant to Section
5(d)(iv) of the Series B Certificate of Designation), would result in
the issuance of a number of shares of the Company’s Common Stock equal
to the Series B Portion;
	 
	 	(C)	 	redemptions of Series A Cumulative Preferred
Stock shall be made on a pro rata basis among all holders thereof in
proportion to the number of shares of Series A Cumulative Preferred
Stock held by each such holder; and
	 
	 	(D)	 	redemptions of Series B Cumulative Preferred
Stock shall be made on a pro rata basis among all holders thereof in
proportion to the

18

 

	 	 	 	number of shares of Series B Cumulative Preferred Stock held by each
such holder.

19

 

Appendix A

     “2006 TRC Credit Agreement” means that certain Credit Agreement, dated as of November
24, 2006, by and among the Company, the subsidiary guarantors named therein, the lenders party
thereto and Credit Suisse, Toronto Branch as Agent, as amended by that certain Amendment and Waiver
No. 1 on the date hereof (as may be further amended, modified, supplemented, restated, refinanced,
restructured or replaced, including a replacement with a new agent and new lenders, from time to
time).

     “2006 TRC Facility” means the senior credit facility incurred by the Company pursuant
to the 2006 TRC Credit Agreement or any refinancing or replacement thereof established from time to
time.

     “2007 TRC Lender Warrants” means the warrants issued in connection with Amendment and
Waiver No. 1 to the 2006 TRC Credit Agreement.

     “Amended and Restated Subordination Agreement (Intercompany)” means that certain
Amended and Restated Subordination Agreement dated as of the data hereof among Credit Suisse,
Toronto Branch, as agent under the Second Lien Credit Agreement, Credit Suisse, Toronto Branch as
agent under the 2006 TRC Credit Agreement, Wells Fargo Bank, NA., as agent under the TRC
Subordinated Loan Agreement, the Company and TEC, as amended, modified or replaced.

     “Attributable Debt” means, in respect of any lease (whether characterized as an
operating lease under GAAP or not) entered into by a Person or a Subsidiary thereof as lessee, the
present value (discounted at the rate of interest implicit in such transaction, determined in
accordance with GAAP) of the lease payments of the lessee, including all rent and payments to be
made by the lessee in connection with the return of the leased property, during the remaining term
of the lease (including any period for which such lease has been extended or may, at the option of
the lessor, be extended) but excluding for certainty, (a) amounts required to be paid on account of
insurance, taxes, assessments, utility, operating and labor costs and similar charges and
(b) amounts payable by the lessee in connection with the exercise of any end-of-term purchase
option, early buyout option, voluntary termination option or any similar amounts payable at the
election of the lessee.

     “Backstop Parties Group” has the meaning set forth in the Stockholders Agreement.

     “Commodity Agreement” means any agreement for the making or taking of delivery of any
commodity (including, without limitation, Petroleum Substances), any commodity swap agreement,
floor, cap or collar agreement or commodity future or option or other similar agreements or
arrangements, or any combination thereof, entered into by the Company or a Subsidiary where the
subject matter of the same is any commodity or the price, value or amount payable thereunder is
dependent or based upon the price of any commodity or fluctuations in the price of any commodity,
but shall not include any agreement for the physical sale of Petroleum Substances by the Company or
a Subsidiary entered into in the ordinary course of business unless either (i) such agreement is
with a bank, investment bank, securities dealer, insurance company, trust company, pension fund,
institutional investor or any other financial institution or

1

 

any affiliate of any of the foregoing, or (ii) such agreement is entered into for hedging
purposes or otherwise for the purpose of eliminating or reducing the financial risk or exposure of
the Company or a Subsidiary to fluctuations in the prices of Petroleum Substances (and, for
certainty, any such agreement referred to in (i) or (ii) of this definition shall constitute a
“Commodity Agreement” for all purposes hereof).

     “Consolidated” refers to the consolidation of accounts in accordance with GAAP.

     “Currency Hedging Agreement” means any currency swap agreement, cross currency
agreement, forward agreement, floor, cap or collar agreement, futures or options, insurance or
other similar agreement or arrangement, or any combination thereof, entered into by the Company or
a Subsidiary where the subject matter of the same is currency exchange rates or the price, value or
amount payable thereunder is dependent or based upon the currency exchange rates or fluctuations in
currency exchange rates as in effect from time to time.

     “Debt” means, with respect to the Company, all obligations, liabilities and
indebtedness of the Company and its Subsidiaries which would, in accordance with generally accepted
accounting principles, be classified upon a consolidated balance sheet of the Company as
liabilities of the Company and its Subsidiaries and, whether or not so classified, shall include
(without duplication):

     (a) indebtedness of the Company and its Subsidiaries for borrowed money;

     (b) obligations of the Company and its Subsidiaries arising pursuant or in relation to:
(i) bankers’ acceptances (including payment and reimbursement obligations in respect
thereof), or (ii) letters of credit and letters or guarantee supporting obligations which
would otherwise constitute Debt within the meaning of this definition or indemnities issued
in connection therewith;

     (c) obligations of the Company and its Subsidiaries with respect to drawings under all
other letters of credit and letters of guarantee;

     (d) obligations of the Company and its Subsidiaries under guarantees, indemnities,
assurances, legally binding comfort letters or other contingent obligations relating to the
indebtedness or other obligations of any other Person which would otherwise constitute Debt
within the meaning of this definition and all Financial Assistance including endorsements of
bills of exchange (other than for collection or deposit in the ordinary course of business);

     (e) (i) all indebtedness of the Company and its Subsidiaries representing the deferred
purchase price of any property to the extent that such indebtedness is or remains unpaid
after the expiry of the customary time period for payment, provided, however that such time
period shall in no event exceed 90 days, and (ii) all obligations of the Company and its
Subsidiaries created or arising under any: (A) conditional sales agreement or other title
retention agreement or (B) capital lease;

2

 

     (f) all Attributable Debt of the Company and its Subsidiaries other than in respect of
(i) leases of office space or (ii) operating leases, in each case entered into in the
ordinary course of business;

     (g) Prepaid Obligations of the Company and its Subsidiaries;

     (h) all other long-term obligations (including the current portion thereof) upon which
interest charges are customarily paid prior to default by the Company;

     (i) all indebtedness of other Persons secured by a security interest on any asset of
the Company and its Subsidiaries, whether or not such indebtedness is assumed thereby;
provided, that the amount of such indebtedness shall be the lesser of (i) the fair
market value of such asset at such date of determination, and (ii) the amount of such
indebtedness, and such indebtedness shall only be Debt to the extent recorded as a liability
in accordance with GAAP; and

     (j) Financial Instrument Obligations;

but shall exclude each of the following, determined (as required) in accordance with GAAP:

     (a) accounts payable to trade creditors and accrued liabilities incurred in the
ordinary course of business;

     (b) taxes payable and future taxes;

     (c) dividends or other equity distributions payable;

     (d) accrued interest not yet due and payable;

     (e) liabilities in respect of deferred reclamation costs, allowances for dismantlement
and site restoration and other deferred credits and liabilities;

     (f) TRC Subordinated Loans;

     (g) preferred equity in the capital of the Company, whether existing as of the date
hereof or thereafter issued (including accrued but unpaid dividends or other forms of
return) which in accordance with GAAP would be classified as debt; and

     (h) obligations that arise in connection with employee incentive programs in an
aggregate amount not to exceed $5,000,000 at any one time.

     “Equity Interests” means, with respect to any Person, shares of capital stock of (or
other ownership or profit interests in) such Person, warrants, options or other rights for the
purchase or other acquisition from such Person of shares of capital stock of (or other ownership or
profit interests in) such Person, securities convertible into or exchangeable for shares of capital
stock of (or other ownership or profit interests in) such Person or warrants, rights or options for
the purchase or other acquisition from such Person of such shares (or such other interests), and
other

3

 

ownership or profit interests in such Person (including, without limitation, partnership,
member or trust interests therein), whether voting or nonvoting, and whether or not such shares,
warrants, options, rights or other interests are authorized or otherwise existing on any date of
determination.

     “Financial Assistance” means, with respect to any Person and without duplication, any
loan, guarantee, indemnity, assurance, acceptance, extension of credit, loan purchase, share
purchase, equity or capital contribution, investment or other form of direct or indirect financial
assistance or support of any other Person or any obligation (contingent or otherwise) intended to
enable another Person to incur or pay any Debt or to comply with agreements relating thereto or
otherwise to assure or protect creditors of the other Person against loss in respect of Debt of the
other Person and includes any guarantee of or indemnity in respect of the Debt of the other Person
and any absolute or contingent obligation to (directly or indirectly):

     (a) advance or supply funds for the payment or purchase of any Debt of any other
Person;

     (b) guarantee, indemnify, hold harmless or otherwise become liable to any creditor of
any other Person from or against any losses; liabilities or damages in respect of Debt; and

     (c) make an advance, loan or other extension of credit to or to make any subscription
for equity, equity or capital contribution, or investment in for the purpose of maintaining
the capital, working capital, solvency or general financial condition of another Person.

     The amount of any Financial Assistance is the amount of any loan or direct or indirect
financial assistance or support, without duplication, given, or all Debt of the obligor to
which the Financial Assistance relates, unless the Financial Assistance is limited to a
determinable amount, in which case the amount of the Financial Assistance is the
determinable amount

     “Financial Instrument” means any Interest Hedging Agreement, Currency Hedging
Agreement or Commodity Agreement

     “Financial Instrument Obligation” means any obligations arising under Financial
Instruments entered into by the Company or a Subsidiary, to the extent of the net amount due or
accruing, due by the Company or Subsidiary thereunder (determined by marking to market the same in
accordance with their terms).

     “First Lien Cap Amount” means (i) the greater of US $40,000,000 and Cdn $50,000,000 or
(ii) if the 2006 TRC Credit Agreement is then in effect, such lesser amount as shall equal the
“First Lien Cap Amount” as defined in the 2006 TRC Credit Agreement.

     “First Lien Credit Agreement” means that certain Credit Agreement dated as of July 8,
2004 with The Toronto-Dominion Bank as agent oldie lenders, the lenders party thereto and TD
Securities (USA) LLC as lead arranger and book manager, as amended and restated by that Credit
Agreement dated as of December 16, 2005, as amended by the Amending Agreement

4

 

dated as of April 13, 2006, as amended by the Second Amending Agreement dated as of April 26,
2006, as amended by the Third Amending Agreement dated as of October 17, 2006, as amended by the
Fourth Amending Agreement dated as of November 9, 2006, as amended by the Fifth Amending Agreement
dated as of November 23, 2006, as amended by the Sixth Amending Agreement dated as of April 25,
2007, and as amended by the First Lien Amendment dated as of the date hereof (as may be further
amended, modified, supplemented, restated, refinanced, restructured or replaced, including a
replacement with a new agent and new lenders, from time to time).

     “First Lien Facility” means the senior secured first lien revolving credit facility
incurred by TEC pursuant to the First Lien Credit Agreement or any refinancing or replacement
thereof established from time to time in accordance with the provisions of the Intercreditor
Agreement, including a “Refinancing”, as defined in the Intercreditor Agreement.

     “GAAP” means generally accepted accounting principles.

     “Intercreditor Agreement” means the Intercreditor Agreement dated as of April 26, 2005
by and between the agent under the First Lien Credit Agreement, the agent under the Second Lien
Credit Agreement and the Company, as amended by First Amendment dated as of December 16, 2005,
Second Amendment dated as of April 25, 2006, Third Amendment dated as of October 12, 2006, and
Fourth Amendment dated as of the date hereof, and as further amended, amended and restated,
supplemented or otherwise modified from time to time in accordance with its terms.

     “Interest Hedging Agreement” means any interest swap agreement, forward rate
agreement, floor, cap or collar agreement, futures or options, insurance or other similar agreement
or arrangement, or any combination thereof, entered into by the Company or a Subsidiary where the
subject matter of the same is interest rates or the price, value or amount payable thereunder is
dependent or based upon the interest rates or fluctuations in interest rates in effect from time to
time (but, for certainty, shall exclude conventional floating rate debt).

     “Majority Preferred Holders” has the meaning set forth in the Stockholders Agreement.

     “Material Subsidiary” means any Subsidiary of the Company which:

     (a) has Consolidated assets equal to or greater than 5.0% of the consolidated assets of
the Company;

     (b) has consolidated net income equal to or greater than 5.0% of the net income of the
Company determined on a consolidated basis;

     (c) owns or holds, directly or indirectly (whether through the ownership of or
investments in other Subsidiaries or otherwise) any ownership interest in any proved
reserves of Petroleum Substances which are included for purposes of the determination of the
Borrowing Base (as defined in the First Lien Credit Agreement in effect as the date hereof);
or

5

 

     (d) is designated as a Designated Material Subsidiary, as such term is defined under
Section 6.01 of the TRC Subordinated Credit Agreement.

     “P&NG Rights” means all of the right, title, estate and interest, whether contingent
or absolute, legal or beneficial, present or future, vested or not, and whether or not an “interest
in land”, of the Company and its Subsidiaries in and to any of the following, by whatever name the
same are known:

     (a) rights to explore for, drill for and produce, take, save or market Petroleum
Substances;

     (b) rights to a share of the production of Petroleum Substances;

     (c) rights to a share of the proceeds of, or to receive payments calculated by
reference to the quantity or value of, the production of Petroleum Substances;

     (d) rights to acquire any of the rights described in subparagraphs (a) through (c) of
this definition;

     (e) interests in any rights described in subparagraphs (a) through (d) of this
definition; and

     (f) all extensions, renewals, replacements or amendments of or to the foregoing items
described in subparagraphs (a) through (e) of this definition;

and including, without limitation, interests and rights known as working interests, royalty
interests, overriding royalty interests, gross overriding royalty interests, production payments,
profits interests, net profits interests, revenue interests, net revenue interests, economic
interests and other interests and fractional or undivided interests in any of, the foregoing and
freehold, leasehold or other interests.

     “Permitted Debt” means:

     (a) obligations relating to the TRC Subordinated Credit Facility, the associated
aggregate principal amount of which shall not exceed C $120,000,000, plus the amount of
interest paid in kind on such obligations less any principal amount thereof prepaid with net
cash proceeds from any sale, transfer or other disposition of assets;

     (b) obligations relating to the 2006 TRC Credit Facility, the associated aggregate
principal amount of which shall not exceed the sum of $270,000,000 plus the amount of
interest paid in kind on such obligations, less any principal amount thereof Prepaid;

     (c) obligations relating to the First Lien Facility, the associated aggregate principal
amount of which shall not exceed the First Lien Cap Amount; provided that any obligations
under the First Lien Facility in excess of C $10,000,000 may only be incurred in connection
with and for the sole purpose of providing support for Permitted Hedging and shall require
the approval of the Preferred Directors;

6

 

     (d) obligations relating to the Second Lien Facility, the associated aggregate
principal amount of which shall not exceed the Second Lien Cap Amount, less any principal
amount thereof prepaid with net cash proceeds from any sale, transfer or other disposition
of assets;

     (e) TRC Subordinated Loans, provided that such Debt remains subordinated to the
obligations pursuant to the Amended and Restated Subordination Agreement (Intercompany) and
remains subject to the Amended and Restated Subordination Agreement (Intercompany);

     (f) Financial Instrument Obligations under and pursuant to Permitted Hedging;

     (g) any Debt or obligations associated therewith owing by a Subsidiary to another
Subsidiary or to the Company, by a Subsidiary to a Material Subsidiary which is a
Wholly-Owned Subsidiary and by the Company or TEC to a Material Subsidiary which is a
Wholly-Owned Subsidiary;

     (h) Attributable Debt of the Company or any Subsidiary arising in connection with
capital leases, provided that the aggregate outstanding principal amount of such
Attributable Debt shall not exceed C $10,000,000 at any one time; and (ii) Attributable Debt
of the Company or any Subsidiary arising in connection with operating leases entered into in
the ordinary course of business;

     (i) Purchase Money Obligations of the Company or any Subsidiary, provided that the
aggregate outstanding principal amount of such Purchase Money Obligations of the Company or
any Subsidiary shall not exceed C $5,000,000 at any one time;

     (j) Debt incurred by the Company or any Subsidiary arising from agreements providing
for indemnification, adjustment of purchase price or similar obligations, or from guaranties
or letters of credit, surety bonds or performance bonds securing the performance of the
Company or a Subsidiary pursuant to such agreements, in connection with acquisitions,
investments or dispositions permitted hereunder;

     (k) Debt consisting of Financial Assistance, which underlying debt is permitted under
the definition of Permitted Debt; and

     (l) Debt of the Company and its Subsidiaries which is not otherwise Permitted Debt;
provided that the principal amount of such Debt does not, in the aggregate at any time,
exceed C $10,000,000.

     “Permitted Dispositions” means:

     (a) sales, leases, transfers and other dispositions of assets (including, without
limitation, any volume metric production payment, farm out or sale lease back) where the
aggregate net proceeds received by the Company and its Subsidiaries do not exceed, in the
aggregate, C $100,000,000 in any consecutive eighteen (18) month period;

7

 

     (b) a sale or disposition of P&NG Rights (and related tangibles) resulting from any
pooling or unitization entered into in the ordinary course of business and in accordance
with sound industry practice when, in the reasonable judgment of the Company, it is
necessary to do so in order to facilitate the orderly exploration, development or operation
of such P&NG Rights;

     (c) a sale or disposition by the Company or any of its Subsidiaries in the ordinary
course of business and in accordance with sound industry practice of tangible Personal
property that is obsolete, no longer useful for its intended purpose or being replaced in
the ordinary course of business;

     (d) a sale or disposition of assets (including shares or ownership interests) by a
Subsidiary to the Company or any other Material Subsidiary which is a Wholly-Owned
Subsidiary and by the Company to a Material Subsidiary which is a Wholly-Owned Subsidiary;

     (e) any transfers of assets upon a dissolution of a Subsidiary into the Company or a
Wholly-Owned Subsidiary of the Company; and

     (f) any sale or disposition of Petroleum Substances in the ordinary course of business.

     “Permitted Hedging” means Financial Instruments which are entered into in the ordinary
course of business and for hedging purposes and not for speculative purposes (determined, where
relevant, by reference to (GAAP); provided that at all times: (a) no such contract requires the
Company or its Subsidiaries to put up money, assets or other security (excluding unsecured letters
of credit and, to the extent expressly permitted under the Second Lien Credit Agreement, Collateral
(as defined in the Second Lien Credit Agreement) under the Collateral Documents (as defined in the
Second Lien Credit Agreement) or collateral under the First Lien Credit Agreement) against the
event of its nonperformance prior to actual default by the Company or its Subsidiaries in
performing its obligations thereunder and (b) each such contract is with a counterparty or has a
guarantor of the obligation of the counterparty who at the time the contract is made is rated at
least A- by Standard and Poor’s Rating Group or A3 by Moody’s Investor Services, Inc.

     “Person” means an individual, partnership, corporation (including a business trust),
limited liability company, joint stock company, trust, unincorporated association, joint venture or
other entity, or a government or any political subdivision or agency thereof.

     “Petroleum Substances” means any one or more of crude oil, crude bitumen, synthetic
crude oil, petroleum, natural gas, natural gas liquids, related hydrocarbons and any and all other
substances, whether liquid, solid or gaseous, whether hydrocarbons or not, produced or producible
in association with any of the foregoing, including hydrogen sulphide and sulphur.

     “Preferred Directors” has the meaning set forth in the Stockholders Agreement.

     “Prepaid Obligations” means “take-or-pay”, forward sale, prepaid or similar
liabilities of a Person whereby such Person is obligated to settle, at some future date, an
obligation in respect

8

 

of Petroleum Substances, whether by deliveries (accelerated or otherwise) of Petroleum
Substances, the payment of money or otherwise however, including the transfer of any Petroleum
Substances, whether in place or when produced, for a period of time until, or of an amount such
that, the lender or purchaser will realize therefrom a specified amount of money (however
determined, including by reference to interest rates or other factors which may not be fixed) or a
specified amount of such products or any interest in property of the character commonly referred to
as a “production payment” and all such obligations for which such Person is liable without having
received and retained a payment therefor or having assumed such obligation.

     “Purchase Money Obligation” means any monetary obligation created or assumed as part
of the purchase price of real or tangible personal property, whether or not secured, any
extensions, renewals or refundings of any such obligation, provided that the principal amount of
such obligation outstanding on the date of such extension, renewal or refunding is not increased
and further provided that any security given in respect of such obligation shall not extend to any
property other than the property acquired in connection with which such obligation was created or
assumed and fixed improvements, if any, erected or constructed thereon and the proceeds thereof.

     “Related Party” means any Person which is any one or more of the following: (a) an
Affiliate of the Company or any Subsidiary thereof; (b) a shareholder or partner of the Company,
TEC or any Subsidiary, which, together with all Affiliates of such Person, owns or controls,
directly or indirectly, more than 10% of the shares, capital or other ownership interests (however
designated) of any of the foregoing, or an Affiliate of any such shareholder or partner; (c) a
member of the Backstop Parties Group or an Affiliate of any such member; and (d) an officer or
director of the Company, TEC or any Subsidiary which, together with all Affiliates of such Person,
has the power to vote, directly or indirectly more than 10% of the Voting Interests of any of the
foregoing.

     “Required Backstop Parties” has the meaning set forth in the Stockholders Agreement.

     “Second Lien Cap Amount” means $500,000,000; provided, that, if the Company delivers a
Second Lien Incremental Borrowing Notice (as such term is defined in the 2006 TRC Credit Agreement)
in accordance with the TRC Subordinated Loan Agreement, the Second Lien Cap Amount will increase
dollar for dollar up to $550,000,000 by the principal amount of incremental obligations incurred
under the Second Lien Facility during the Second Lien Special Interest Period (as such term is
defined in the TRC Subordinated Loan Agreement), plus the incremental principal amounts arising
from payment-in-kind of interest on each such incremental obligation under the Second Lien Facility
(including the incremental principal amounts arising out of such payment-in-kind) accrued during
the period of twelve months from the date each such incremental obligation under the Second Lien
Facility is incurred.

     “Second Lien Credit Agreement” mean that Amended and Restated Credit Agreement dated
as of April 25, 2006 among TEC, the guarantors party thereto, the leaders defined therein and
Credit Suisse, Toronto Branch as administrative agent and collateral agent, as amended by Amendment
No. 1 dated as of October 12, 2006, as further amended by Amendment No. 2 dated as of April 12,
2007 and as amended by Amendment No. 3 (as may be further amended,

9

 

modified, supplemented, restated, refinanced, restructured or replaced, including a
replacement with a new agent and new lenders, from time to time).

     “Second Lien Facility” means the senior secured second lien credit facility incurred
by TEC pursuant to the Second Lien Credit Agreement or any refinancing or replacement thereof
established from time to time, which for greater certainty will include any other facility created
under the Second Lien Credit Agreement to provide the Second Lien Additional Financial Support (as
such term is defined in the TRC Subordinated Loan Agreement) consistent with the definition of
Second Lien Cap Amount herein.

     “Series B Cumulative Preferred Stock” means the Series B Cumulative Preferred Stock of
the Company, par value $0.0001 per share.

     “Stockholders Agreement” means the Fourth Amended and Restated Stockholders Agreement,
effective as of August 20, 2007, by and among the Company, the stockholders of the Company, TEC,
the shareholders of TEC and the members of the Backstop Parties Group, as such agreement may be
amended or modified from time to time.

     “Sub Debt Warrants” means the warrants issued to the Backstop Parities Group in
connection with the TRC Subordinated Loan Agreement and the warrants issued the lenders party to
the 2006 TRC Credit Agreement in connection with Amendment and Waiver No. 1 thereto.

     “Subsidiary” means, with respect to any Person:

     (a) any corporation of which at least a majority of the outstanding shares having by
the terms thereof ordinary voting power to elect a majority of the board of directors of
such corporation (irrespective of whether at the time shares of any other class or classes
of such corporation might have voting power by reason of the happening of any contingency,
unless the contingency has occurred and then only for as long as it continues) is at the
time directly, indirectly or beneficially owned or controlled by such Person or one or more
of its Subsidiaries, or such Person and one or more of its Subsidiaries;

     (b) any partnership of which, at the time, such Person, or one or more of its
Subsidiaries, or such Person and one or more of its Subsidiaries: (i) directly, indirectly
or beneficially own or control more than 50% of the income, capital, beneficial or ownership
interests (however designated) thereof; and (ii) is a general partner, in the case of
limited partnerships, or is a partner or has authority to bind the partnership, in all other
cases, other than a partnership created solely to hold Equity Interests in the Company or
its Subsidiaries and that is not involved in the business of the Company or its
Subsidiaries; or

     (c) any other Person of which at least a majority of the income, capital, beneficial or
ownership interests (however designated) are at the time directly, indirectly or
beneficially owned or controlled by such Person, or one or more of its Subsidiaries, or such
Person and one or more of its Subsidiaries,

10

 

provided that, unless otherwise expressly provided or the context otherwise requires,
references herein to “Subsidiary” or “Subsidiaries” shall be and shall be deemed to be
references to Subsidiaries of the Company.

     “TEC” means Trident Exploration Corp., a Nova Scotia unlimited liability company.

     “TRC Subordinated Credit Facility” means the subordinated unsecured credit facility
incurred by the Company pursuant to the TRC Subordinated Loan Agreement or any refinancing or
replacement thereof established from time to time.

     “TRC Subordinated Lender” means the Company or any Subsidiary of the Company.

     “TRC Subordinated Loan Agreement” means that certain TRC Subordinated Loan Agreement
dated as of the date hereof among the Company, the subsidiary guarantors named therein, the Lenders
party thereto and Wells Fargo Bank, N.A., as Administrative Agent for the Lenders party thereto, as
may be as amended, modified or replaced.

     “TRC Subordinated Loans” means one or more unsecured loans made by a TRC Subordinated
Lender to TEC that is subject at all times to the Amended and Restated Subordination Agreement
(Intercompany).

     “Voting Interests” means shares of capital stock issued by a corporation, or
equivalent Equity Interests in any other Person, the holders of which are ordinarily, in the
absence of contingencies, entitled to vote for the election of directors (or Persons performing
similar functions) of such Person, even if the right so to vote has been suspended by the happening
of such a contingency.

     “Wholly Owned Subsidiary” means a Subsidiary which is also:

     (a) a corporation, all of the issued and outstanding shares in the capital of which are
beneficially held by:

     (i) the Company;

     (ii) TEC;

     (iii) the Company, TEC and one or more corporations, all of the issued and
outstanding shares in the capital of which are held by the Company or TEC; or

     (iv) two or more corporations, all of the issued and outstanding shares in the
capital of which are held by the Company or TEC;

     (b) a corporation which is a Wholly-Owned Subsidiary of a corporation that is a
Wholly-Owned Subsidiary of the Company or TEC;

     (c) a partnership, all of the partners of which are the Company, TEC and/or
Wholly-Owned Subsidiaries of the Company or TEC.

11

 

provided, that notwithstanding the foregoing TEC shall be deemed to be a Wholly-Owned
Subsidiary of the Company.

12

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