Document:

exv4w6

Exhibit 4.6

THIS WARRANT AND THE SHARES ISSUED UPON ITS

EXERCISE ARE SUBJECT TO THE RESTRICTIONS ON

TRANSFER SET FORTH IN SECTION 6 OF THIS WARRANT

Warrant No. 2007-1

Date of Issuance: March 1, 2007

GLORI OIL LIMITED

Common Stock Purchase Warrant

(Void after March 1, 2012 )

     Glori Oil Limited, a Delaware corporation (the “Company”), for value received, hereby
certifies that Korn Ferry International, or its registered assigns (the “Registered Holder”), is
entitled, subject to the terms and conditions set forth below, including without limitation Section
12 hereof, to purchase from the Company, at any time or from time to time on or after the date
hereof and on or before 5:00 p.m. (Eastern time) on March 1, 2012, up to such number of Warrant
Shares of the Company as is equal to the Warrant Number, at a purchase price per share equal to the
Purchase Price.

     1. Definitions. As used herein the following terms have the following respective
meanings:

          (a) “Warrant Shares” means, subject to adjustment as provided herein, shares of Common Stock
of the Company, par value $0.0001 per share.

          (b) “Warrant Number” means, subject to adjustment as provided herein, 260,418.

          (c) “Purchase Price” means, subject to adjustment as provided herein, $0.2208 per share.

     2. Exercise.

          (a) Exercise for Cash. The Registered Holder may, at its option, elect to exercise
this Warrant, in whole or in part and at any time or from time to time, by surrendering this
Warrant, with the purchase form appended hereto as Exhibit I duly executed by or on behalf
of the Registered Holder, at the principal office of the Company, or at such other office or agency
as the Company may designate, accompanied by payment in full, in lawful money of the United States,
of the Purchase Price payable in respect of the number of Warrant Shares purchased upon such
exercise.

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          (b) Cashless Exercise.

               (i) The Registered Holder may, at its option, elect to exercise this Warrant, in whole or in
part and at any time or from time to time, on a cashless basis, by surrendering this Warrant, with
the purchase form appended hereto as Exhibit I duly executed by or on behalf of the
Registered Holder, at the principal office of the Company, or at such other office or agency as the
Company may designate, by canceling a portion of this Warrant in payment of the Purchase Price
payable in respect of the number of Warrant Shares purchased upon such exercise. In the event of
an exercise pursuant to this subsection 2(b), the number of Warrant Shares issued to the Registered
Holder shall be determined according to the following formula:

	 	 	 	 	 

	X

	 	=
	 	Y(A-B)
	 

	 	 	 	 
	 

	 	 	 	A

	Where: 	X =		  the number of Warrant Shares that shall be issued to the Registered Holder;
	 
	 	Y = 	 	 the number of Warrant Shares for which this Warrant
is being exercised (which shall include both the number of Warrant Shares
issued to the Registered Holder and the number of Warrant Shares subject to
the portion of the Warrant being cancelled in payment of the Purchase
Price);
	 
	 	A = 	 	 the Fair Market Value (as defined below) of one Warrant Share; and
	 
	 	B = 	 	 the Purchase Price then in effect.

               (ii) The Fair Market Value per Warrant Share shall be determined as follows:

                    (1) If the Warrant Shares are listed on a national securities exchange, the Nasdaq National
Market or another nationally recognized trading system as of the Exercise Date (as defined below),
the Fair Market Value per Warrant Share shall be deemed to be the average of the high and low
reported sale prices per Warrant Share thereon on the trading day immediately preceding the
Exercise Date (provided that if no such price is reported on such day, the Fair Market
Value per Warrant Share shall be determined pursuant to clause (2)).

                    (2) If the Warrant Shares are not listed on a national securities exchange, the Nasdaq
National Market or another nationally recognized trading system as of the Exercise Date, the Fair
Market Value per Warrant Share shall be deemed to be the amount determined in good faith by the
Board of Directors of the Company (the “Board”) to represent the fair market value per Warrant
Share; and, upon request of the Registered Holder, the Board shall, as promptly as reasonably
practicable but in any event not later than 10 days after such request, make such a determination
and notify the Registered Holder of the Fair Market Value per Warrant Share.

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          (c) Exercise Date. Each exercise of this Warrant shall be deemed to have been
effected immediately prior to the close of business on the day on which this Warrant shall have
been surrendered to the Company as provided in subsection 2(a) or 2(b) above (the “Exercise Date”).
At such time, the person or persons in whose name or names any certificates for Warrant Shares
shall be issuable upon such exercise as provided in subsection 2(d) below shall be deemed to have
become the holder or holders of record of the Warrant Shares represented by such certificates.

          (d) Issuance of Certificates. As soon as practicable after the exercise of this
Warrant in whole or in part, and in any event within 10 days thereafter, the Company, at its
expense, will cause to be issued in the name of, and delivered to, the Registered Holder, or as the
Registered Holder (upon payment by the Registered Holder of any applicable transfer taxes) may
direct:

               (i) a certificate or certificates for the number of full Warrant Shares to which the
Registered Holder shall be entitled upon such exercise plus, in lieu of any fractional share to
which the Registered Holder would otherwise be entitled, cash in an amount determined pursuant to
Section 4 hereof; and

               (ii) in case such exercise is in part only, a new warrant or warrants (dated the date hereof)
of like tenor, calling in the aggregate on the face or faces thereof for the number of Warrant
Shares equal (without giving effect to any adjustment therein) to the number of such shares called
for on the face of this Warrant minus the number of Warrant Shares for which this Warrant was so
exercised (which, in the case of an exercise pursuant to subsection 2(b), shall include both the
number of Warrant Shares issued to the Registered Holder pursuant to such partial exercise and the
number of Warrant Shares subject to the portion of the Warrant being cancelled in payment of the
Purchase Price).

     3. Adjustments.

          (a) Adjustment for Stock Splits and Combinations. If the Company shall at any time or
from time to time after the date on which this Warrant was first issued (or, if this Warrant was
issued upon partial exercise of, or in replacement of, another warrant of like tenor, then the date
on which such original warrant was first issued) (either such date being referred to as the
“Original Issue Date”) effect a subdivision of the outstanding Warrant Shares, the Purchase Price
then in effect immediately before that subdivision shall be proportionately decreased. If the
Company shall at any time or from time to time after the Original Issue Date combine the
outstanding Warrant Shares, the Purchase Price then in effect immediately before the combination
shall be proportionately increased. Any adjustment under this paragraph shall become effective at
the close of business on the date the subdivision or combination becomes effective.

          (b) Adjustment for Certain Dividends and Distributions. In the event the Company at
any time, or from time to time after the Original Issue Date shall make or issue, or fix a record
date for the determination of holders of Warrant Shares entitled to receive, a dividend or other
distribution payable in additional Warrant Shares, then and in each such event the Purchase Price
then in effect immediately before such event shall be decreased as of the time

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of such issuance or, in the event such a record date shall have been fixed, as of the close of
business on such record date, by multiplying the Purchase Price then in effect by a fraction:

                    (1) the numerator of which shall be the total number of Warrant Shares issued and outstanding
immediately prior to the time of such issuance or the close of business on such record date, and

                    (2) the denominator of which shall be the total number of Warrant Shares issued and
outstanding immediately prior to the time of such issuance or the close of business on such record
date plus the number of Warrant Shares issuable in payment of such dividend or distribution;

provided, however, that if such record date shall have been fixed and such dividend
is not fully paid or if such distribution is not fully made on the date fixed therefor, the
Purchase Price shall be recomputed accordingly as of the close of business on such record date and
thereafter the Purchase Price shall be adjusted pursuant to this paragraph as of the time of actual
payment of such dividends or distributions.

          (c) Adjustments for Other Dividends and Distributions. In the event the Company at
any time or from time to time after the Original Issue Date shall make or issue, or fix a record
date for the determination of holders of Warrant Shares entitled to receive, a dividend or other
distribution payable in securities of the Company (other than Warrant Shares) or in cash or other
property (other than regular cash dividends paid out of earnings or earned surplus, determined in
accordance with generally accepted accounting principles), then and in each such event provision
shall be made so that the Registered Holder shall receive upon exercise hereof, in addition to the
number of Warrant Shares issuable hereunder, the kind and amount of securities of the Company, cash
or other property which the Registered Holder would have been entitled to receive had this Warrant
been exercised on the date of such event and had the Registered Holder thereafter, during the
period from the date of such event to and including the Exercise Date, retained any such securities
receivable during such period, giving application to all adjustments called for during such period
under this Section 3 with respect to the rights of the Registered Holder.

          (d) Adjustment for Reorganization. If there shall occur any reorganization,
recapitalization, reclassification, consolidation or merger involving the Company in which the
Warrant Shares are converted into or exchanged for securities, cash or other property (other than a
transaction covered by subsections 3(a), 3(b) or 3(c)) (collectively, a “Reorganization”), then,
following such Reorganization, the Registered Holder shall receive upon exercise hereof the kind
and amount of securities, cash or other property which the Registered Holder would have been
entitled to receive pursuant to such Reorganization if such exercise had taken place immediately
prior to such Reorganization. Notwithstanding the foregoing sentence, if (x) there shall occur any
Reorganization in which the Warrant Shares are converted into or exchanged for anything other than
solely equity securities, and (y) the common stock of the acquiring or surviving company is
publicly traded, then, as part of such Reorganization, (i) the Registered Holder shall have the
right thereafter to receive upon the exercise hereof such number of shares of common stock of the
acquiring or surviving company as is determined by multiplying (A) the number of Warrant Shares
subject to this Warrant immediately prior to such Reorganization by (B) a

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fraction, the numerator of which is the Fair Market Value per Warrant Share as of the
effective date of such Reorganization, as determined pursuant to subsection 2(b)(ii), and the
denominator of which is the fair market value per share of common stock of the acquiring or
surviving company as of the effective date of such transaction, as determined in good faith by the
Board (using the principles set forth in subsection 2(b)(ii) to the extent applicable), and (ii)
the exercise price per share of common stock of the acquiring or surviving company shall be the
Purchase Price divided by the fraction referred to in clause (B) above. In any such case,
appropriate adjustment (as determined in good faith by the Board) shall be made in the application
of the provisions set forth herein with respect to the rights and interests thereafter of the
Registered Holder, to the end that the provisions set forth in this Section 3 (including provisions
with respect to changes in and other adjustments of the Purchase Price) shall thereafter be
applicable, as nearly as reasonably may be, in relation to any securities, cash or other property
thereafter deliverable upon the exercise of this Warrant.

          (e) Certificate as to Adjustments. Upon the occurrence of each adjustment or
readjustment of the Purchase Price pursuant to this Section 3, the Company at its expense shall, as
promptly as reasonably practicable but in any event not later than 15 days thereafter, compute such
adjustment or readjustment in accordance with the terms hereof and furnish to the Registered Holder
a certificate setting forth such adjustment or readjustment (including the kind and amount of
securities, cash or other property for which this Warrant shall be exercisable and the Purchase
Price) and showing in detail the facts upon which such adjustment or readjustment is based. The
Company shall, as promptly as reasonably practicable after the written request at any time of the
Registered Holder (but in any event not later than 15 days thereafter), furnish or cause to be
furnished to the Registered Holder a certificate setting forth (i) the Purchase Price then in
effect and (ii) the number and class or series of Warrant Shares and the amount, if any, of other
securities, cash or property which then would be received upon the exercise of this Warrant.

     4. Fractional Shares. The Company shall not be required upon the exercise of this
Warrant to issue any fractional shares, but shall pay the value thereof to the Registered Holder in
cash on the basis of the Fair Market Value per Warrant Share, as determined pursuant to subsection
2(b)(ii) above.

     5. Investment Representations. The initial Registered Holder represents and warrants
to the Company as follows:

          (a) Investment. It is acquiring the Warrant, and (if and when it exercises this
Warrant) it will acquire the Warrant Shares, for its own account for investment and not with a view
to, or for sale in connection with, any distribution thereof, nor with any present intention of
distributing or selling the same; and the Registered Holder has no present or contemplated
agreement, undertaking, arrangement, obligation, indebtedness or commitment providing for the
disposition thereof.

          (b) Accredited Investor. The Registered Holder is an “accredited investor” as defined
in Rule 501(a) under the Securities Act of 1933, as amended (the “Act”).

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          (c) Experience. The Registered Holder has made such inquiry concerning the Company
and its business and personnel as it has deemed appropriate; and the Registered Holder has
sufficient knowledge and experience in finance and business that it is capable of evaluating the
risks and merits of its investment in the Company.

     6. Transfers, etc.

          (a) This Warrant and the Warrant Shares shall not be sold or transferred unless either (i)
they first shall have been registered under the Act, or (ii) the Company first shall have been
furnished with an opinion of legal counsel, reasonably satisfactory to the Company, to the effect
that such sale or transfer is exempt from the registration requirements of the Act.
Notwithstanding the foregoing, no registration or opinion of counsel shall be required for (i) a
transfer by a Registered Holder which is an entity to a wholly owned subsidiary of such entity, a
transfer by a Registered Holder which is a partnership to a partner of such partnership or a
retired partner of such partnership or to the estate of any such partner or retired partner, or a
transfer by a Registered Holder which is a limited liability company to a member of such limited
liability company or a retired member or to the estate of any such member or retired member,
provided that the transferee in each case agrees in writing to be subject to the terms of
this Section 6, or (ii) a transfer made in accordance with Rule 144 under the Act.

          (b) Each certificate representing Warrant Shares shall bear a legend substantially in the
following form:

“THE SECURITIES REPRESENTED BY THIS CERTIFICATE HAVE NOT BEEN REGISTERED
UNDER THE SECURITIES ACT OF 1933, AS AMENDED, AND MAY NOT BE OFFERED, SOLD
OR OTHERWISE TRANSFERRED, PLEDGED OR HYPOTHECATED UNLESS AND UNTIL SUCH
SECURITIES ARE REGISTERED UNDER SUCH ACT OR AN OPINION OF COUNSEL
SATISFACTORY TO THE COMPANY IS OBTAINED TO THE EFFECT THAT SUCH REGISTRATION
IS NOT REQUIRED.”

     The foregoing legend shall be removed from the certificates representing any Warrant Shares,
at the request of the holder thereof, at such time as they become eligible for resale pursuant to
Rule 144(k) under the Act.

          (c) The Company will maintain a register containing the name and address of the Registered
Holder of this Warrant. The Registered Holder may change its address as shown on the warrant
register by written notice to the Company requesting such change.

          (d) Subject to the provisions of Section 6 hereof, this Warrant and all rights hereunder are
transferable, in whole or in part, upon surrender of this Warrant with a properly executed
assignment (in the form of Exhibit II hereto) at the principal office of the Company (or,
if another office or agency has been designated by the Company for such purpose, then at such other
office or agency).

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     7. No Impairment. The Company will not, by amendment of its charter or through any
reorganization, transfer of assets, consolidation, merger, dissolution, issue or sale of securities
or any other voluntary action, avoid or seek to avoid the observance or performance of any of the
terms of this Warrant, but will at all times in good faith assist in the carrying out of all such
terms and in the taking of all such action as may be necessary or appropriate in order to protect
the rights of the Registered Holder against impairment.

     8. Notices of Record Date, etc. In the event:

          (a) the Company shall take a record of the holders of Warrant Shares (or other securities at
the time deliverable upon the exercise of this Warrant) for the purpose of entitling or enabling
them to receive any dividend or other distribution, or to receive any right to subscribe for or
purchase any shares of stock of any class or any other securities, or to receive any other right;
or

          (b) of any capital reorganization of the Company, any reclassification of the Warrant Shares,
any consolidation or merger of the Company with or into another corporation (other than a
consolidation or merger in which the Company is the surviving entity and the Warrant Shares are not
converted into or exchanged for any other securities or property), or any transfer of all or
substantially all of the assets of the Company; or

          (c) of the voluntary or involuntary dissolution, liquidation or winding-up of the Company,

then, and in each such case, the Company will send or cause to be sent to the Registered Holder a
notice specifying, as the case may be, (i) the record date for such dividend, distribution or
right, and the amount and character of such dividend, distribution or right, or (ii) the effective
date on which such reorganization, reclassification, consolidation, merger, transfer, dissolution,
liquidation or winding-up is to take place, and the time, if any is to be fixed, as of which the
holders of record of Warrant Shares (or such other securities at the time deliverable upon the
exercise of this Warrant) shall be entitled to exchange their Warrant Shares (or such other
securities) for securities or other property deliverable upon such reorganization,
reclassification, consolidation, merger, transfer, dissolution, liquidation or winding-up. Such
notice shall be sent at least 10 days prior to the record date or effective date for the event
specified in such notice.

     9. Reservation of Stock. The Company agrees that it will at all times reserve and
keep available, solely for issuance and delivery upon the exercise of this Warrant, such number of
Warrant Shares and other securities, cash and/or property, as from time to time shall be issuable
upon the exercise of this Warrant.

     10. Exchange or Replacement of Warrants.

          (a) Upon the surrender by the Registered Holder, properly endorsed, to the Company at the
principal office of the Company, the Company will, subject to the provisions of Section 6 hereof,
issue and deliver to or upon the order of the Registered Holder, at the Company’s expense, a new
Warrant or Warrants of like tenor, in the name of the Registered Holder or as the Registered Holder
(upon payment by the Registered Holder of any applicable transfer taxes) may direct, calling in the
aggregate on the face or faces thereof for the number of

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Warrant Shares (or other securities, cash and/or property) then issuable upon exercise of this
Warrant.

          (b) Upon receipt of evidence reasonably satisfactory to the Company of the loss, theft,
destruction or mutilation of this Warrant and (in the case of loss, theft or destruction) upon
delivery of an indemnity agreement (with surety if reasonably required) in an amount reasonably
satisfactory to the Company, or (in the case of mutilation) upon surrender and cancellation of this
Warrant, the Company will issue, in lieu thereof, a new Warrant of like tenor.

     11. Repurchase of Warrant Shares. The Warrant Shares shall be subject to the terms of
a Stock Buy-Back Agreement of even date herewith, entered into by the Company and the Registered
Holder, providing for the repurchase of such shares by the Company under certain circumstances.

     12. Cancellation of Warrant. If, at any time, the Registered Holder breaches or
defaults in the performance of any of its obligations pursuant to (i) that certain Engineering
Services Agreement dated as of October 19, 2005, as amended by Amendment No. 1 to Engineering
Services Agreement, of even date herewith, or (ii) that certain Assignment and License Agreement,
of even date herewith, each as entered into between the Registered Holder and the Company, and such
breach or default continues uncured for 30 days following receipt by the Registered Holder of
written notice from the Company of such breach or default, then this Warrant shall be cancelled,
without further action by the Company, and be of no further force and effect.

     13. Notices. All notices and other communications from the Company to the Registered
Holder in connection herewith shall be mailed by certified or registered mail, postage prepaid, or
sent via a reputable nationwide overnight courier service guaranteeing next business day delivery,
to the address last furnished to the Company in writing by the Registered Holder. All notices and
other communications from the Registered Holder to the Company in connection herewith shall be
mailed by certified or registered mail, postage prepaid, or sent via a reputable nationwide
overnight courier service guaranteeing next business day delivery, to the Company at its principal
office set forth below. If the Company should at any time change the location of its principal
office to a place other than as set forth below, it shall give prompt written notice to the
Registered Holder and thereafter all references in this Warrant to the location of its principal
office at the particular time shall be as so specified in such notice. All such notices and
communications shall be deemed delivered (i) two business days after being sent by certified or
registered mail, return receipt requested, postage prepaid, or (ii) one business day after being
sent via a reputable nationwide overnight courier service guaranteeing next business day delivery.

     14. No Rights as Stockholder. Until the exercise of this Warrant, the Registered
Holder shall not have or exercise any rights by virtue hereof as a stockholder of the Company.
Notwithstanding the foregoing, in the event (i) the Company effects a split of the Warrant Shares
by means of a stock dividend and the Purchase Price of and the number of Warrant Shares are
adjusted as of the date of the distribution of the dividend (rather than as of the record date for
such dividend), and (ii) the Registered Holder exercises this Warrant between the record date and
the distribution date for such stock dividend, the Registered Holder shall be entitled to receive,
on the distribution date, the stock dividend with respect to the Warrant Shares acquired upon

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such exercise, notwithstanding the fact that such shares were not outstanding as of the close
of business on the record date for such stock dividend.

     15. Amendment or Waiver. Any term of this Warrant may be amended or waived (either
generally or in a particular instance and either retroactively or prospectively) with the written
consent of the Company and the holders of Warrants representing at least two-thirds of the number
of Warrant Shares then subject to outstanding Warrants. Notwithstanding the foregoing, (a) this
Warrant may be amended and the observance of any term hereunder may be waived without the written
consent of the Registered Holder only in a manner which applies to all Warrants in the same fashion
and (b) the number of Warrant Shares subject to this Warrant and the Purchase Price of this Warrant
may not be amended, and the right to exercise this Warrant may not be waived, without the written
consent of the Registered Holder (it being agreed that an amendment to or waiver under any of the
provisions of Section 3 of this Warrant shall not be considered an amendment of the number of
Warrant Shares or the Purchase Price). The Company shall give prompt written notice to the
Registered Holder of any amendment hereof or waiver hereunder that was effected without the
Registered Holder’s written consent. No waivers of any term, condition or provision of this
Warrant, in any one or more instances, shall be deemed to be, or construed as, a further or
continuing waiver of any such term, condition or provision.

     16. Section Headings. The section headings in this Warrant are for the convenience of
the parties and in no way alter, modify, amend, limit or restrict the contractual obligations of
the parties.

     17. Governing Law. This Warrant will be governed by and construed in accordance with
the internal laws of the State of Delaware (without reference to the conflicts of law provisions
thereof).

     18. Facsimile Signatures. This Warrant may be executed by facsimile signature.

     EXECUTED as of the Date of Issuance indicated above.

	 	 	 	 	 
	 	GLORI OIL LIMITED 

 	 
	 	By:  	/s/ Stuart Page
 	 
	 	 	Stuart M. Page, Chief Executive Office 	 
	 	 	 	 

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EXHIBIT I

PURCHASE FORM

	 	 	 	 	 

	To:_____________________________________________

	 	 	 	Dated:_____________________________________________

     The undersigned, pursuant to the provisions set forth in the attached Warrant (No. ___),
hereby elects to purchase (check applicable box):

     Ğ ____ Warrant Shares of Glori Oil Limited covered by such Warrant; or

     Ğ the maximum number of Warrant Shares covered by such Warrant pursuant to the cashless
exercise procedure set forth in subsection 2(b).

     The undersigned herewith makes payment of the full purchase price for such shares at the price
per share provided for in such Warrant. Such payment takes the form of (check applicable box or
boxes):

	 	Ğ	 	$______ in lawful money of the United States; and/or

	 	Ğ	 	the cancellation of such portion of the attached Warrant as is exercisable for
a total of _____ Warrant Shares (using a Fair Market Value of $_____ per share for
purposes of this calculation) ; and/or

	 	Ğ	 	the cancellation of such number of Warrant Shares as is necessary, in
accordance with the formula set forth in subsection 2(b), to exercise this Warrant with
respect to the maximum number of Warrant Shares purchasable pursuant to the cashless
exercise procedure set forth in subsection 2(b).

	 	 	 	 	 

	 

	 	Signature:	 	 
	 

	 	 	 	 
 
	 

	 	Address:	 	 
	 

	 	 	 	 
 
	 
	 	 	 	 
	 

	 	 	 	 
 

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EXHIBIT II

ASSIGNMENT FORM

     FOR VALUE RECEIVED, ____________________ hereby sells, assigns and transfers all of the rights
of the undersigned under the attached Warrant (No. ____) with respect to the number of Warrant
Shares of Glori Oil Limited covered thereby set forth below, unto:

					
	 	 	 	 	 
	Name of Assignee
	 	Address
	 	No. of Shares               
	 
	 	 
	 	 

	 	 	 	 	 	 	 	 	 

	Dated:

	 	 	 	 	 	Signature:	 	 
	 

	 	 
	 	 	 	 	 	 
	 
	 	 	 	 	 	 	 	 
	Signature Guaranteed:	 	 	 	 	 	 

By:______________________________________________

The signature should be guaranteed by an eligible guarantor institution (banks, stockbrokers,
savings and loan associations and credit unions with membership in an approved signature guarantee
medallion program) pursuant to Rule 17Ad-15 under the Securities Exchange Act of 1934.

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Exhibit 4.7

THIS WARRANT AND THE SHARES ISSUED UPON ITS

EXERCISE ARE SUBJECT TO THE RESTRICTIONS ON

TRANSFER SET FORTH IN SECTION 6 OF THIS WARRANT

Warrant No. __

Date of Issuance: __________, 2011

Original Issue Date: __________, 2011

GLORI OIL LIMITED

Common Stock Purchase Warrant

(Void after __________, 20__)

     Glori Oil Limited, a Delaware corporation (the “Company”), for value received, hereby
certifies that The Energy & Resources Institute, or its registered assigns (the “Registered
Holder”), is entitled, subject to the terms and conditions set forth below, including without
limitation Section 12 hereof, to purchase from the Company, at any time or from time to time on or
after the date hereof and on or before 5:00 p.m. (Eastern time) on __________, 20__, up to such
number of Warrant Shares of the Company as is equal to the Warrant Number, at a purchase price per
share equal to the Purchase Price.

     1. Definitions. As used herein the following terms have the following respective
meanings:

          (a) “Warrant Shares” means, subject to adjustment as provided herein, shares of Common Stock
of the Company, par value $0.0001 per share.

          (b)
“Warrant Number” means, subject to adjustment as provided herein,            .

          (c) “Purchase Price” means, subject to adjustment as provided herein, $0.4416 per share.

     2. Exercise.

          (a) Exercise for Cash. The Registered Holder may, at its option, elect to exercise
this Warrant, in whole or in part and at any time or from time to time, by surrendering this
Warrant, with the purchase form appended hereto as Exhibit I duly executed by or on behalf
of the Registered Holder, at the principal office of the Company, or at such other office or agency
as the Company may designate, accompanied by payment in full, in lawful money of the
United States, of the Purchase Price payable in respect of the number of Warrant Shares
purchased upon such exercise.

 

 

          (b) Cashless Exercise.

               (i) The Registered Holder may, at its option, elect to exercise this Warrant, in whole or in
part and at any time or from time to time, on a cashless basis, by surrendering this Warrant, with
the purchase form appended hereto as Exhibit I duly executed by or on behalf of the
Registered Holder, at the principal office of the Company, or at such other office or agency as the
Company may designate, by canceling a portion of this Warrant in payment of the Purchase Price
payable in respect of the number of Warrant Shares purchased upon such exercise. In the event of
an exercise pursuant to this subsection 2(b), the number of Warrant Shares issued to the Registered
Holder shall be determined according to the following formula:

     X = Y(A-B)

                   A

	Where:  	X = 	 	 the number of Warrant Shares that shall be issued to the Registered Holder;
	 
	  	Y = 	 	the number of Warrant Shares for which this Warrant is
being exercised (which shall include both the number of Warrant Shares issued
to the Registered Holder and the number of Warrant Shares subject to the
portion of the Warrant being cancelled in payment of the Purchase Price);
	 
	 	A = 	 	 the Fair Market Value (as defined below) of one Warrant
Share; and
	 
	 	B = 	 	 the Purchase Price then in effect.

               (ii) The Fair Market Value per Warrant Share shall be determined as follows:

                    (1) If the Warrant Shares are listed on a national securities exchange, the Nasdaq National
Market or another nationally recognized trading system as of the Exercise Date (as defined below),
the Fair Market Value per Warrant Share shall be deemed to be the average of the high and low
reported sale prices per Warrant Share thereon on the trading day immediately preceding the
Exercise Date (provided that if no such price is reported on such day, the Fair Market
Value per Warrant Share shall be determined pursuant to clause (2)).

                    (2) If the Warrant Shares are not listed on a national securities exchange, the Nasdaq
National Market or another nationally recognized trading system as of the Exercise Date, the Fair
Market Value per Warrant Share shall be deemed to be the amount determined in good faith by the
Board of Directors of the Company (the “Board”) to represent the fair market value per Warrant
Share; and, upon request of the Registered Holder, the Board shall, as promptly as reasonably
practicable but in any event not later than 10 days after such
request, make such a determination and notify the Registered Holder of the Fair Market Value
per Warrant Share.

-2-

 

          (c) Exercise Date. Each exercise of this Warrant shall be deemed to have been
effected immediately prior to the close of business on the day on which this Warrant shall have
been surrendered to the Company as provided in subsection 2(a) or 2(b) above (the “Exercise Date”).
At such time, the person or persons in whose name or names any certificates for Warrant Shares
shall be issuable upon such exercise as provided in subsection 2(d) below shall be deemed to have
become the holder or holders of record of the Warrant Shares represented by such certificates.

          (d) Issuance of Certificates. As soon as practicable after the exercise of this
Warrant in whole or in part, and in any event within 10 days thereafter, the Company, at its
expense, will cause to be issued in the name of, and delivered to, the Registered Holder, or as the
Registered Holder (upon payment by the Registered Holder of any applicable transfer taxes) may
direct:

               (i) a certificate or certificates for the number of full Warrant Shares to which the
Registered Holder shall be entitled upon such exercise plus, in lieu of any fractional share to
which the Registered Holder would otherwise be entitled, cash in an amount determined pursuant to
Section 4 hereof; and

               (ii) in case such exercise is in part only, a new warrant or warrants (dated the date hereof)
of like tenor, calling in the aggregate on the face or faces thereof for the number of Warrant
Shares equal (without giving effect to any adjustment therein) to the number of such shares called
for on the face of this Warrant minus the number of Warrant Shares for which this Warrant was so
exercised (which, in the case of an exercise pursuant to subsection 2(b), shall include both the
number of Warrant Shares issued to the Registered Holder pursuant to such partial exercise and the
number of Warrant Shares subject to the portion of the Warrant being cancelled in payment of the
Purchase Price).

     3. Adjustments.

          (a) Adjustment for Stock Splits and Combinations. If the Company shall at any time or
from time to time after the date on which this Warrant was first issued (or, if this Warrant was
issued upon partial exercise of, or in replacement of, another warrant of like tenor, then the date
on which such original warrant was first issued) (either such date being referred to as the
“Original Issue Date”) effect a subdivision of the outstanding Warrant Shares, the Purchase Price
then in effect immediately before that subdivision shall be proportionately decreased. If the
Company shall at any time or from time to time after the Original Issue Date combine the
outstanding Warrant Shares, the Purchase Price then in effect immediately before the combination
shall be proportionately increased. Any adjustment under this paragraph shall become effective at
the close of business on the date the subdivision or combination becomes effective.

          (b) Adjustment for Certain Dividends and Distributions. In the event the Company at
any time, or from time to time after the Original Issue Date shall make or issue, or
fix a record date for the determination of holders of Warrant Shares entitled to receive, a
dividend or other distribution payable in additional Warrant Shares, then and in each such event
the Purchase Price then in effect immediately before such event shall be decreased as of the time

-3-

 

of such issuance or, in the event such a record date shall have been fixed, as of the close of
business on such record date, by multiplying the Purchase Price then in effect by a fraction:

                    (1) the numerator of which shall be the total number of Warrant Shares issued and outstanding
immediately prior to the time of such issuance or the close of business on such record date, and

                    (2) the denominator of which shall be the total number of Warrant Shares issued and
outstanding immediately prior to the time of such issuance or the close of business on such record
date plus the number of Warrant Shares issuable in payment of such dividend or distribution;

provided, however, that if such record date shall have been fixed and such dividend
is not fully paid or if such distribution is not fully made on the date fixed therefor, the
Purchase Price shall be recomputed accordingly as of the close of business on such record date and
thereafter the Purchase Price shall be adjusted pursuant to this paragraph as of the time of actual
payment of such dividends or distributions.

          (c) Adjustments for Other Dividends and Distributions. In the event the Company at
any time or from time to time after the Original Issue Date shall make or issue, or fix a record
date for the determination of holders of Warrant Shares entitled to receive, a dividend or other
distribution payable in securities of the Company (other than Warrant Shares) or in cash or other
property (other than regular cash dividends paid out of earnings or earned surplus, determined in
accordance with generally accepted accounting principles), then and in each such event provision
shall be made so that the Registered Holder shall receive upon exercise hereof, in addition to the
number of Warrant Shares issuable hereunder, the kind and amount of securities of the Company, cash
or other property which the Registered Holder would have been entitled to receive had this Warrant
been exercised on the date of such event and had the Registered Holder thereafter, during the
period from the date of such event to and including the Exercise Date, retained any such securities
receivable during such period, giving application to all adjustments called for during such period
under this Section 3 with respect to the rights of the Registered Holder. 

          (d) Adjustment for Reorganization. If there shall occur any reorganization,
recapitalization, reclassification, consolidation or merger involving the Company in which the
Warrant Shares are converted into or exchanged for securities, cash or other property (other than a
transaction covered by subsections 3(a), 3(b) or 3(c)) (collectively, a “Reorganization”), then,
following such Reorganization, the Registered Holder shall receive upon exercise hereof the kind
and amount of securities, cash or other property which the Registered Holder would have been
entitled to receive pursuant to such Reorganization if such exercise had taken place immediately
prior to such Reorganization. Notwithstanding the foregoing sentence, if (x) there shall occur any
Reorganization in which the Warrant Shares are converted into or exchanged for anything other than
solely equity securities, and (y) the common stock of the acquiring or surviving company is
publicly traded, then, as part of such Reorganization, (i) the Registered Holder shall
have the right thereafter to receive upon the exercise hereof such number of shares of common
stock of the acquiring or surviving company as is determined by multiplying (A) the number of
Warrant Shares subject to this Warrant immediately prior to such Reorganization by (B) a

-4-

 

fraction,the numerator of which is the Fair Market Value per Warrant Share as of the effective date of such
Reorganization, as determined pursuant to subsection 2(b)(ii), and the denominator of which is the
fair market value per share of common stock of the acquiring or surviving company as of the
effective date of such transaction, as determined in good faith by the Board (using the principles
set forth in subsection 2(b)(ii) to the extent applicable), and (ii) the exercise price per share
of common stock of the acquiring or surviving company shall be the Purchase Price divided by the
fraction referred to in clause (B) above. In any such case, appropriate adjustment (as determined
in good faith by the Board) shall be made in the application of the provisions set forth herein
with respect to the rights and interests thereafter of the Registered Holder, to the end that the
provisions set forth in this Section 3 (including provisions with respect to changes in and other
adjustments of the Purchase Price) shall thereafter be applicable, as nearly as reasonably may be,
in relation to any securities, cash or other property thereafter deliverable upon the exercise of
this Warrant.

          (e) Certificate as to Adjustments. Upon the occurrence of each adjustment or
readjustment of the Purchase Price pursuant to this Section 3, the Company at its expense shall, as
promptly as reasonably practicable but in any event not later than 15 days thereafter, compute such
adjustment or readjustment in accordance with the terms hereof and furnish to the Registered Holder
a certificate setting forth such adjustment or readjustment (including the kind and amount of
securities, cash or other property for which this Warrant shall be exercisable and the Purchase
Price) and showing in detail the facts upon which such adjustment or readjustment is based. The
Company shall, as promptly as reasonably practicable after the written request at any time of the
Registered Holder (but in any event not later than 15 days thereafter), furnish or cause to be
furnished to the Registered Holder a certificate setting forth (i) the Purchase Price then in
effect and (ii) the number and class or series of Warrant Shares and the amount, if any, of other
securities, cash or property which then would be received upon the exercise of this Warrant.

     4. Fractional Shares. The Company shall not be required upon the exercise of this
Warrant to issue any fractional shares, but shall pay the value thereof to the Registered Holder in
cash on the basis of the Fair Market Value per Warrant Share, as determined pursuant to subsection
2(b)(ii) above.

     5. Investment Representations. The initial Registered Holder represents and warrants
to the Company as follows:

          (a) Investment. It is acquiring the Warrant, and (if and when it exercises this
Warrant) it will acquire the Warrant Shares, for its own account for investment and not with a view
to, or for sale in connection with, any distribution thereof, nor with any present intention of
distributing or selling the same; and the Registered Holder has no present or contemplated
agreement, undertaking, arrangement, obligation, indebtedness or commitment providing for the
disposition thereof.

          (b) Accredited Investor. The Registered Holder is an “accredited investor” as defined
in Rule 501(a) under the Securities Act of 1933, as amended (the “Act”).

-5-

 

          (c) Experience. The Registered Holder has made such inquiry concerning the Company
and its business and personnel as it has deemed appropriate; and the Registered Holder has
sufficient knowledge and experience in finance and business that it is capable of evaluating the
risks and merits of its investment in the Company.

     6. Transfers, etc.

          (a) This Warrant and the Warrant Shares shall not be sold or transferred unless either (i)
they first shall have been registered under the Act, or (ii) the Company first shall have been
furnished with an opinion of legal counsel, reasonably satisfactory to the Company, to the effect
that such sale or transfer is exempt from the registration requirements of the Act.
Notwithstanding the foregoing, no registration or opinion of counsel shall be required for (i) a
transfer by a Registered Holder which is an entity to a wholly owned subsidiary of such entity, a
transfer by a Registered Holder which is a partnership to a partner of such partnership or a
retired partner of such partnership or to the estate of any such partner or retired partner, or a
transfer by a Registered Holder which is a limited liability company to a member of such limited
liability company or a retired member or to the estate of any such member or retired member,
provided that the transferee in each case agrees in writing to be subject to the terms of
this Section 6, or (ii) a transfer made in accordance with Rule 144 under the Act.

          (b) Each certificate representing Warrant Shares shall bear a legend substantially in the
following form:

“The securities represented by this certificate have not been registered
under the Securities Act of 1933, as amended, and may not be offered, sold
or otherwise transferred, pledged or hypothecated unless and until such
securities are registered under such Act or an opinion of counsel
satisfactory to the Company is obtained to the effect that such registration
is not required.”

     The foregoing legend shall be removed from the certificates representing any Warrant Shares,
at the request of the holder thereof, at such time as they become eligible for resale pursuant to
Rule 144(k) under the Act.

          (c) The Company will maintain a register containing the name and address of the Registered
Holder of this Warrant. The Registered Holder may change its address as shown on the warrant
register by written notice to the Company requesting such change.

          (d) Subject to the provisions of Section 6 hereof, this Warrant and all rights hereunder are
transferable, in whole or in part, upon surrender of this Warrant with a properly executed
assignment (in the form of Exhibit II hereto) at the principal office of the Company (or,
if another office or agency has been designated by the Company for such purpose, then at such other
office or agency).

     7. No Impairment. The Company will not, by amendment of its charter or through any
reorganization, transfer of assets, consolidation, merger, dissolution, issue or sale of securities
or any other voluntary action, avoid or seek to avoid the observance or performance of any of the
terms of this Warrant, but will at all times in good faith assist in the carrying out of all

-6-

 

such terms and in the taking of all such action as may be necessary or appropriate in order to protect
the rights of the Registered Holder against impairment.

     8. Notices of Record Date, etc. In the event:

          (a) the Company shall take a record of the holders of Warrant Shares (or other securities at
the time deliverable upon the exercise of this Warrant) for the purpose of entitling or enabling
them to receive any dividend or other distribution, or to receive any right to subscribe for or
purchase any shares of stock of any class or any other securities, or to receive any other right;
or

          (b) of any capital reorganization of the Company, any reclassification of the Warrant Shares,
any consolidation or merger of the Company with or into another corporation (other than a
consolidation or merger in which the Company is the surviving entity and the Warrant Shares are not
converted into or exchanged for any other securities or property), or any transfer of all or
substantially all of the assets of the Company; or

          (c) of the voluntary or involuntary dissolution, liquidation or winding-up of the Company,

then, and in each such case, the Company will send or cause to be sent to the Registered Holder a
notice specifying, as the case may be, (i) the record date for such dividend, distribution or
right, and the amount and character of such dividend, distribution or right, or (ii) the effective
date on which such reorganization, reclassification, consolidation, merger, transfer, dissolution,
liquidation or winding-up is to take place, and the time, if any is to be fixed, as of which the
holders of record of Warrant Shares (or such other securities at the time deliverable upon the
exercise of this Warrant) shall be entitled to exchange their Warrant Shares (or such other
securities) for securities or other property deliverable upon such reorganization,
reclassification, consolidation, merger, transfer, dissolution, liquidation or winding-up. Such
notice shall be sent at least 10 days prior to the record date or effective date for the event
specified in such notice.

     9. Reservation of Stock. The Company agrees that it will at all times reserve and
keep available, solely for issuance and delivery upon the exercise of this Warrant, such number of
Warrant Shares and other securities, cash and/or property, as from time to time shall be issuable
upon the exercise of this Warrant.

     10. Exchange or Replacement of Warrants.

          (a) Upon the surrender by the Registered Holder, properly endorsed, to the Company at the
principal office of the Company, the Company will, subject to the provisions of Section 6 hereof,
issue and deliver to or upon the order of the Registered Holder, at the Company’s expense, a new
Warrant or Warrants of like tenor, in the name of the Registered Holder or as the Registered Holder
(upon payment by the Registered Holder of any applicable transfer taxes) may direct, calling in the
aggregate on the face or faces thereof for the number of
Warrant Shares (or other securities, cash and/or property) then issuable upon exercise of this
Warrant.

-7-

 

          (b) Upon receipt of evidence reasonably satisfactory to the Company of the loss, theft,
destruction or mutilation of this Warrant and (in the case of loss, theft or destruction) upon
delivery of an indemnity agreement (with surety if reasonably required) in an amount reasonably
satisfactory to the Company, or (in the case of mutilation) upon surrender and cancellation of this
Warrant, the Company will issue, in lieu thereof, a new Warrant of like tenor.

     11. Repurchase of Warrant Shares. The Warrant Shares shall be subject to the terms of
a Stock Buy-Back Agreement of even date herewith, entered into by the Company and the Registered
Holder, providing for the repurchase of such shares by the Company under certain circumstances.

     12. Cancellation of Warrant. If, at any time, the Registered Holder breaches or
defaults in the performance of any of its obligations pursuant to (i) that certain Engineering
Services Agreement dated as of October 19, 2005, as amended by Amendment No. 1 to Engineering
Services Agreement, of even date herewith, or (ii) that certain Assignment and License Agreement,
of even date herewith, each as entered into between the Registered Holder and the Company, and such
breach or default continues uncured for 30 days following receipt by the Registered Holder of
written notice from the Company of such breach or default, then this Warrant shall be cancelled,
without further action by the Company, and be of no further force and effect.

     13. Notices. All notices and other communications from the Company to the Registered
Holder in connection herewith shall be mailed by certified or registered mail, postage prepaid, or
sent via a reputable nationwide overnight courier service guaranteeing next business day delivery,
to the address last furnished to the Company in writing by the Registered Holder. All notices and
other communications from the Registered Holder to the Company in connection herewith shall be
mailed by certified or registered mail, postage prepaid, or sent via a reputable nationwide
overnight courier service guaranteeing next business day delivery, to the Company at its principal
office set forth below. If the Company should at any time change the location of its principal
office to a place other than as set forth below, it shall give prompt written notice to the
Registered Holder and thereafter all references in this Warrant to the location of its principal
office at the particular time shall be as so specified in such notice. All such notices and
communications shall be deemed delivered (i) two business days after being sent by certified or
registered mail, return receipt requested, postage prepaid, or (ii) one business day after being
sent via a reputable nationwide overnight courier service guaranteeing next business day delivery.

     14. No Rights as Stockholder. Until the exercise of this Warrant, the Registered
Holder shall not have or exercise any rights by virtue hereof as a stockholder of the Company.
Notwithstanding the foregoing, in the event (i) the Company effects a split of the Warrant Shares
by means of a stock dividend and the Purchase Price of and the number of Warrant Shares are
adjusted as of the date of the distribution of the dividend (rather than as of the record date for
such dividend), and (ii) the Registered Holder exercises this Warrant between the record date and
the distribution date for such stock dividend, the Registered Holder shall be entitled to receive,
on the distribution date, the stock dividend with respect to the Warrant Shares acquired upon
such exercise, notwithstanding the fact that such shares were not outstanding as of the close
of business on the record date for such stock dividend.

-8-

 

     15. Amendment or Waiver. Any term of this Warrant may be amended or waived (either
generally or in a particular instance and either retroactively or prospectively) with the written
consent of the Company and the holders of Warrants representing at least two-thirds of the number
of Warrant Shares then subject to outstanding Warrants. Notwithstanding the foregoing, (a) this
Warrant may be amended and the observance of any term hereunder may be waived without the written
consent of the Registered Holder only in a manner which applies to all Warrants in the same fashion
and (b) the number of Warrant Shares subject to this Warrant and the Purchase Price of this Warrant
may not be amended, and the right to exercise this Warrant may not be waived, without the written
consent of the Registered Holder (it being agreed that an amendment to or waiver under any of the
provisions of Section 3 of this Warrant shall not be considered an amendment of the number of
Warrant Shares or the Purchase Price). The Company shall give prompt written notice to the
Registered Holder of any amendment hereof or waiver hereunder that was effected without the
Registered Holder’s written consent. No waivers of any term, condition or provision of this
Warrant, in any one or more instances, shall be deemed to be, or construed as, a further or
continuing waiver of any such term, condition or provision.

     16. Section Headings. The section headings in this Warrant are for the convenience of
the parties and in no way alter, modify, amend, limit or restrict the contractual obligations of
the parties.

     17. Governing Law. This Warrant will be governed by and construed in accordance with
the internal laws of the State of Delaware (without reference to the conflicts of law provisions
thereof).

     18. Facsimile Signatures. This Warrant may be executed by facsimile signature.

     EXECUTED as of the Date of Issuance indicated above.

	 	 	 	 	 
	 	GLORI ENERGY INC.

 	 
	 	By:  	 	 
	 	 	President 	 
	 	 	 	 

-9-

 

	 	 	 	 	 

EXHIBIT I

PURCHASE FORM

	 	 	 

	To:_________________

	 	Dated:____________

     The undersigned, pursuant to the provisions set forth in the attached Warrant (No. ___),
hereby elects to purchase (check applicable box):

      Ğ ____ Warrant Shares of Glori Oil Limited covered by such Warrant; or

      Ğ the maximum number of Warrant Shares covered by such Warrant pursuant to the cashless
exercise procedure set forth in subsection 2(b).

     The undersigned herewith makes payment of the full purchase price for such shares at the price
per share provided for in such Warrant. Such payment takes the form of (check applicable box or
boxes):

	 	Ğ 	 	 $______ in lawful money of the United States; and/or
	 
	 	Ğ 	 	the cancellation of such portion of the attached Warrant as is exercisable for
a total of _____ Warrant Shares (using a Fair Market Value of $_____ per share for
purposes of this calculation) ; and/or
	 
	 	Ğ 	 	the cancellation of such number of Warrant Shares as is necessary, in
accordance with the formula set forth in subsection 2(b), to exercise this Warrant with
respect to the maximum number of Warrant Shares purchasable pursuant to the cashless
exercise procedure set forth in subsection 2(b).

	 	 	 

	 

	Signature:	 

	 
	 

	Address:	 

	 
	 

	 	 

-10-

 

EXHIBIT II

ASSIGNMENT FORM

     FOR VALUE RECEIVED, ____________________ hereby sells, assigns and transfers all of the rights
of the undersigned under the attached Warrant (No. ____) with respect to the number of Warrant
Shares of Glori Oil Limited covered thereby set forth below, unto:

	 	 	 	 	 

	Name of Assignee

	 	Address
	 	No. of Shares
	 

	 	 
	 	 

	 	 	 

	Dated:_____________________

	 	Signature:______________________

Signature Guaranteed:

By: _______________________

The signature should be guaranteed by an eligible guarantor institution (banks, stockbrokers,
savings and loan associations and credit unions with membership in an approved signature guarantee
medallion program) pursuant to Rule 17Ad-15 under the Securities Exchange Act of 1934.

-11-

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