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    AMENDED
AND RESTATED

     

    RIGHT
OF FIRST REFUSAL AND CO-SALE AGREEMENT

     

    This
Amended and Restated Right of First Refusal and Co-Sale Agreement (the “Agreement”)
is made and entered into as of April 17, 2009 by and among Energy and Power
Solutions, Inc., a California corporation (the “Company”),
those investors in the Company listed on Exhibit A
attached hereto (the “Investors”)
and the shareholders of the Company listed on Exhibit B
attached hereto (the “Shareholders”).

     

    WHEREAS, each Shareholder
currently owns that number of shares of the Company’s Common Stock (the “Common
Stock”) as shown beside such Shareholder’s name on Exhibit B
attached hereto.

     

    WHEREAS, on November 30, 2007,
certain of the Investors purchased from the Company that number of shares of the
Company’s Series A Preferred Stock (“Series A
Stock”) shown beside each Investor’s name on Exhibit A
attached hereto, pursuant to that certain Series A Preferred Stock Purchase
Agreement among the Company and the Investors (the “Series A Purchase
Agreement”).  Such Investors are referred to as “Prior
Investors.”

     

    WHEREAS, concurrently
herewith, the Prior Investors and new Investors are purchasing from the Company
that number of shares of the Company’s Series B Preferred Stock (“Series B
Stock”) shown beside each Investor’s name on Exhibit A
attached hereto, pursuant to that certain Series B Preferred Stock Purchase
Agreement among the Company and the Investors dated of even date herewith (the
“Series B
Purchase Agreement”).

     

    WHEREAS, as a further
inducement to the Investors to purchase such shares of Series B Stock from the
Company and to enter into the Series B Purchase Agreement, each Shareholder has
agreed to grant the Investors certain rights of first refusal and rights of
co-sale with respect to the shares of the Company’s common stock, par value
$0.0001 (the “Common
Stock”) currently owned by such Shareholder and any Common Stock or other
Stock (as defined below) of the Company hereafter acquired by such Shareholder,
all on the terms and conditions set forth in this Agreement.

     

    NOW
THEREFORE, in consideration of the foregoing recitals and the mutual
covenants made herein, the parties hereto agree as follows:

     

    1.           CERTAIN
DEFINITIONS.  For purposes of
this Agreement, the following terms have the following meanings:

     

    1.1    “Stock”
means and includes all shares of Common Stock issued and outstanding at the
relevant time plus (a) all shares of Common Stock that may be issued upon
exercise of any options, warrants and other rights of any kind that are then
exercisable, and (b) all shares of Common Stock that may be issued upon
conversion of (i) any convertible securities, including, without
limitation, the Company's Preferred Stock (the “Preferred
Stock”) and debt securities then outstanding that are by their terms then
convertible into or exchangeable for Common Stock (or into securities that in
turn are convertible into Common Stock) or (ii) any such convertible
securities issuable upon exercise of outstanding options, warrants or other
rights that are then exercisable.

     

    
      
         

      

      
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    1.2           “Offered
Stock” means all Common Stock of the Company proposed to be Transferred
by a Shareholder and all options or warrants for the purchase of Common
Stock.

     

    1.3           “Transfer”
and “Transferred”
mean and include any sale, assignment, encumbrance, hypothecation, pledge,
conveyance in trust, gift, transfer by bequest, devise or descent, or other
transfer or disposition of any kind, including but not limited to transfers to
receivers, levying creditors, trustees or receivers in bankruptcy proceedings or
general assignees for the benefit of creditors, whether voluntary or by
operation of law, directly or indirectly, except for:

     

    (a)           any
transfers of Stock by gift during a Shareholder’s lifetime or on a Shareholder’s
death by will or intestacy to such Shareholder’s spouse, the lineal descendant or
antecedent, brother or sister of Shareholder or Shareholder’s spouse, or the
spouse of any lineal descendant or antecedent, brother or sister of Shareholder
or Shareholder’s spouse,
whether or not any of the above are adopted, or to a trust or trusts for the
exclusive benefit of Shareholder or those members of Shareholder’s family
specified in this Section 1.3(a) or transfers of Stock by Shareholder by
devise or descent; provided, that, in
all cases, the transferee or other recipient executes a counterpart copy of this
Agreement and becomes bound hereby as was Shareholder;

     

    (b)           any
transfer of Stock by a Shareholder made (i) pursuant to a statutory merger
or statutory consolidation of the Company with or into another corporation or
corporations, (ii) pursuant to the winding up and dissolution of the
Company, or (iii) at, and pursuant to, an IPO (as defined
below);

     

    (c)           any
transfers of Stock to or by an Investor pursuant to such Investor’s exercise of
the Investor’s right of first refusal or right of co-sale
hereunder;

     

    (d)           any
bona fide pledge by a Shareholder made pursuant to a bona fide loan transaction
that creates a mere security interest, provided that the
pledgee executes a counterpart copy of this Agreement and becomes bound thereby
as a seller in the event that and to the extent that such pledgee ever acquires
ownership of such shares;

     

    (e)           any
bona fide gift effected by a Shareholder for tax planning purposes, provided, that the
pledgee, transferee or donee or other recipient executes a counterpart copy of
this Agreement and becomes bound thereby as was the Shareholder; or

     

    (f)           in
any one twelve (12) month period, on a cumulative basis, up to two percent (2%)
of the Stock (calculated as of the date of this Agreement, as may be adjusted
from time to time for stock splits, stock dividends, combinations,
recapitalizations and the like) held by such Shareholder.

     

    1.4  “IPO” means the first sale of the Company’s
Common Stock pursuant to a bona fide firm commitment underwritten public
offering effected by means of a registration statement under the Securities Act
of 1933, as amended, in which the aggregate public offering price (before
deduction of underwriters’ discounts and commissions) equals or exceeds
$30,000,000 and the public offering price per share of which equals or exceeds
$5.00 per share (before deduction of underwriters’ discounts and
commissions).

     

    2.           NOTICE OF
PROPOSED TRANSFER.  Before any
Shareholder may effect any Transfer of any Stock, such Shareholder (the “Selling
Shareholder”) must give at the same time to the Company and the Investors
a written notice signed by the Selling Shareholder (the “Selling
Shareholder’s Notice”) stating: (a) the Selling Shareholder’s bona
fide intention to transfer such Offered Stock; (b) the number of shares of
Offered Stock proposed to be transferred to each proposed purchaser or other
transferee (“Proposed
Transferee”); (c) the name, address and relationship, if any, to the
Selling Shareholder of each Proposed Transferee; (d) the bona fide cash
price or, in reasonable detail, other consideration, per share for which the
Selling Shareholder proposes to transfer such Offered Stock to each Proposed
Transferee (the “Offered
Price”); (e) the date and time of closing the proposed transfer of
Offered Stock (the “Closing”);
and (f) other relevant terms of the proposed sale.  Upon the
request of the Company or any Investor, the Selling Shareholder will promptly
furnish to the Company and to the Investors such other information as may be
reasonably requested to establish that the offer and Proposed Transferee(s) are
bona fide.  In the event that the proposed Transfer is being made
pursuant to one of the exemptions set forth in Section 1.3 above, the Selling
Shareholder’s Notice shall state under which exemption the proposed Transfer is
being made.

     

    
      
         

      

      
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    3.      
      RIGHT OF FIRST
REFUSAL.

     

    3.1    Company
Right of First Refusal.  The Company shall have the
right to purchase (the “Company’s
Right of First Refusal”)
all or any part of the Offered Stock, if the Company gives written notice of the
exercise of the right to the Selling Shareholder within thirty (30) days (the
“Company’s
Refusal Period”) after the
Selling Shareholder’s Notice is deemed to have been delivered to the Company and
the Investors (pursuant to Section 10.1 hereof).  If the Company
does not intend to exercise the Company’s Right of First Refusal in full or if
the Company is not lawfully able to repurchase the Offered Stock, the Company
will send written notice thereof (the “Company’s
Expiration Notice”) to the
Selling Shareholder and the Investors at least ten (10) days before the
expiration of the Company’s Refusal Period.  The Company’s Expiration
Notice will specify the Offered Stock subject to the Secondary Right of First
Refusal described below.  In the event that a Selling
Shareholder is a member of the Board of Directors of the Company, such Selling
Shareholder shall be excluded from the Board of Directors’ determination as to
whether the Company’s should exercise the Company’s Right of First Refusal under
this Section
3.1.

     

    3.2           Secondary
Right of First Refusal.  If the Company
does not exercise the Company’s Right of First Refusal, then each Investor and
Founder (as defined in the Series B Purchase Agreement) will have a right of
first refusal (the “Secondary Right
of First Refusal”) to purchase all of the Offered Stock not purchased by
the Company.  The Secondary Right of First Refusal may be exercised as
follows:

     

    (a)           Each
Investor and Founder (each, a “Right
Holder”) desiring to purchase any or all of the Offered Stock not
Purchased by the Company must, within the fifteen (15) day period commencing on
the date the Company’s Expiration Notice is deemed to have been delivered to the
Investors (pursuant to Section 10.1 hereof), give written notice to the Selling
Shareholder and to the Company of such Right Holder’s election to purchase any
of the Offered Stock, and the number of shares and type of Offered Stock that
such Right Holder desires to purchase.  If the total number of shares
specified in the elections of Right Holders exceeds the number of shares of
Offered Stock available for purchase, then (unless the Right Holders agree
otherwise in writing) each Right Holder electing to purchase will have the right
to purchase that number of shares of Offered Stock that is obtained by
multiplying the number of shares of Offered Stock available for purchase by a
fraction (i) the numerator of which will be the number of shares of Stock
then held by such Right Holder, and (ii) the denominator of which will be
the sum of the total number of shares of Stock then held by all Right Holders
electing to purchase the Offered Stock (the “ROFR Pro Rata
Share”); provided that in the
event any Right Holder declines to purchase its full ROFR Pro Rata Share of the
Offered Stock, then the Company shall promptly give written notice to each Right
Holder who has timely agreed to purchase at least its full ROFR Pro Rata Share
of such Offered Stock (each, a “Purchasing Right
Holder”) of such Purchasing Right Holder’s oversubscription right to
purchase a portion of the non-Purchasing Right Holder’s ROFR Pro Rata Share, on
a pro rata basis according to the relative ROFR Pro Rata Shares of the
Purchasing Rights Holders, at any time within five (5) days after receiving such
over-allotment notice (the foregoing fifteen (15) plus five (5) day period, the
“Secondary
Refusal Period”)

     

    
      
         

      

      
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    (b)           Within
ten (10) days after expiration of the Secondary Refusal Period, the Company will
give written notice (the “Secondary
Expiration Notice”) to the Selling Shareholder and the Right Holders
specifying (i) that all of the Offered Stock was subscribed by the Company
and/or Right Holder exercising their respective Rights of First Refusal or
(ii) that the Transfer proposed by the Selling Shareholder is subject to a
Right of Co-Sale, pursuant to Section 4 hereof, with respect to the Offered
Stock not purchased by the Company or Right Holders in accordance with this
Section 3.

     

    3.3           Purchase
Price.  The purchase price for the Offered Stock to be
purchased by the Company or by a Right Holder exercising its respective Right of
First Refusal under this Agreement will be the Offered Price, and will be
payable as set forth in Section 3.4 hereof.  If the Offered Price
includes consideration other than cash, the cash equivalent value of the
non-cash consideration will be determined by the Board of Directors of the
Company in good faith, which determination will be binding upon the Company, the
Right Holders and the Selling Shareholder absent fraud or error.

     

    3.4           Payment.  Payment
of the purchase price for Offered Stock purchased by the Company or by a Right
Holder exercising its respective Right of First Refusal will be made within ten
(10) days after the date of the Secondary Expiration Notice.  Payment
of the purchase price will made, at the option of the Company or, as the case
may be, by a Right Holder, (a) in cash (by check), (b) by cancellation
of all or a portion of any outstanding indebtedness of Shareholder to the
Company or such Right Holder, as the case may be, or (c) by any combination
of the foregoing.

     

    3.5           Rights of
Shareholder.  Upon the date that payment is made for the
Offered Stock purchased by the Company and/or the Right Holders pursuant to
their respective Rights of First Refusal hereunder, the Selling Shareholder will
have no further rights as a holder of such Offered Stock and the Selling
Shareholder will forthwith cause all certificate(s) evidencing such Offered
Stock to be surrendered to the Company for cancellation, and, as to purchase by
Right Holder(s), for transfer to the purchasing Right Holder(s).

     

    3.6           Selling
Shareholder’s Right to Transfer.  If the Right Holders have not
elected pursuant to their Secondary Right of First Refusal to purchase all of
the Offered Stock not purchased by the Company, then, subject to the Right of
Co-Sale, the Selling Shareholder may transfer that portion of the Offered Stock
permitted to be sold by the Selling Shareholder to any person named as a
Proposed Transferee in the Selling Shareholder’s Notice, at the Offered Price or
at a higher price, provided that such transfer (a) is consummated within
one hundred twenty (120) days after the date of the Selling Shareholder’s Notice
and (b) is in accordance with the terms and conditions of this
Agreement.  If the Offered Stock is transferred in accordance with the
terms and conditions of this Agreement, then the transferee(s) of the Offered
Stock will thereafter hold such Offered Stock free of the Secondary Right of
First Refusal, the Right of Co-Sale and all other restrictions imposed by this
Agreement; provided that nothing herein will release any such transferee from
any obligations or restrictions that may be imposed on such transferee under the
Stock Restriction Agreement.  If the Offered Stock is not so
transferred during such one hundred twenty (120) day period, then the Selling
Shareholder will not transfer any of such Offered Stock without complying again
in full with the provisions of this Agreement.

     

    
      
         

      

      
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    4.      
     RIGHT OF
CO-SALE.

     

    4.1           Right of
Co-Sale.  If the Company
and Right Holders have waived or failed to timely exercise their Rights of First
Refusal to acquire all of the Offered Stock, each Investor will have the right
to participate in the transfer of any Offered Stock not transferred to the
Company or to the Right Holders (the “Remaining Offered
Stock”) in the manner set forth herein (the “Right of
Co-Sale”).  Pursuant to this Section 4, each Investor may
transfer to the Proposed Transferee(s) identified in the Selling Shareholder’s
Notice such Investor’s Pro Rata Share of the Remaining Offered Stock, by giving
written notice to the Selling Shareholder within ten (10) days after the date of
the Secondary
Expiration Notice; specifying the number of shares and type of Stock that such
Investor desires to transfer to each Proposed Transferee by exercising the Right
of Co-Sale.  For purposes of this Section 4, an Investor’s “Pro Rata
Share” will be defined as a fraction, the numerator of which is the
number of shares of Stock then owned by such Investor, and the denominator of
which is the number of shares of Stock then owned by all Investors having a
Right of Co-Sale hereunder plus the number of shares of Stock held by the
Selling Shareholder who proposes the Transfer.

     

    4.2    Consummation
of Co-Sale.  Each Investor, in
exercising the Right of Co-Sale, may effect such Investor’s participation in
such Transfer by delivering to the Selling Shareholder at the Closing of the
transfer of Offered Stock to such transferee one or more certificates, properly
endorsed for Transfer, representing such Stock to be Transferred by such
Investor.  In the event that the prospective purchaser objects to the
delivery of Preferred Stock in lieu of Common Stock, an Investor may (at such
Investor’s option) convert such Preferred Stock into Common Stock and deliver
Common Stock to the prospective purchaser.  The Company agrees to make
any such conversion concurrent with the contingent upon the actual transfer of
such shares to the purchaser.  At the Closing, such certificates or
other instruments will be transferred and delivered to the Proposed
Transferee(s) set forth in the Selling Shareholder’s Notice in consummation of
the transfer of the Offered Stock pursuant to the terms and conditions specified
in the Selling Shareholder’s Notice, and Selling Shareholder will remit, or will
cause to be remitted, to Investor within seven (7) days after such Closing that
portion of the proceeds of the Transfer to which Investor is entitled by reason
of such Investor’s participation in such transfer pursuant to the Right of
Co-Sale.  In the event that any Investor electing to exercise such
Investor’s Right of Co-Sale fails to deliver the stock certificates as specified
above at the Closing, such Investor shall have waived his, her or its Right of
Co-Sale therefor and the Selling Shareholder shall be entitled to complete the
Transfer at the Closing without participation by the waiving
Investor.  If all of the Offered Stock is not Transferred at the
Closing, however, the Selling Shareholder must again comply with the Right of
Co-Sale requirements with respect to any future proposed Transfer
thereof.

     

    
      
         

      

      
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    4.3    Multiple
Series, Classes or Types of Stock.  If the Remaining Offered
Stock consists of more than one series or class or type of Stock, each Investor
has the right to purchase or transfer hereunder, as the case may be, such
Investor’s Pro Rata Share of each such series, class or type of Stock;
provided, however, that as to the Right of Co-Sale,
(a) if such Investor does not hold any of such series, class, or type of
Stock, and the Proposed Transferee is not willing, at the Closing, to purchase
some other series, class or type of Stock from such Investor as part of such
Investor’s Pro Rata Share (provided Investor has not elected to convert its
shares into the series or class of the Remaining Offered Stock as set forth in
Section 4.2 above) or (b) if the Proposed Transferee is unwilling to
purchase any Stock from such Investor at the Closing (each such circumstance
being referred to herein as an “Incomplete
Co-Sale”), then, the
Selling Shareholder shall be entitled to Transfer the Offered Stock representing
such Investor’s Pro Rata Share at the Closing and Investor will have the put
right (the “Put
Right”) set forth in
Section 5.2 hereof.

     

    5.           REFUSAL TO TRANSFER; PUT
RIGHT.

     

    5.1           Refusal
to Transfer.  Any attempt by
any Selling Shareholder to transfer any Stock in violation of any provision of
this Agreement will be void.  Without first obtaining the written
approval of each Investor, the Company will not (a) transfer on its books
any Stock that has been sold, gifted or otherwise transferred in violation of
this Agreement or (b) treat as owner of such Stock, or accord the right to
vote to, or pay dividends to, any purchaser, donee or other transferee to whom
such Stock may have been so transferred.

     

    5.2           Put
Right.  If a Selling
Shareholder transfers any Stock in contravention of an Investor’s Right of
Co-Sale under this Agreement (a “Prohibited
Transfer”), or if an Incomplete Co-Sale occurs and the provisions of
Section 4.3 hereof apply, the relevant Investor may require such Selling
Shareholder to purchase from such Investor, for cash or such other consideration
as the Selling Shareholder received in the Prohibited Transfer or Incomplete
Co-Sale, that number of shares of Stock (of the same class, series or type as
transferred in the Prohibited Transfer or Incomplete Co-Sale, if such Investor
then owns Stock of such class, series or type, and otherwise of Common Stock)
having a purchase price equal to the aggregate purchase price such Investor
would have received in the closing of such Prohibited Transfer or Incomplete
Co-Sale if such Investor had exercised and been able to consummate such
Investor’s Right of Co-Sale with respect thereto (the Investor’s “Put
Right”).  An Investor may exercise such Investor’s Put Right by
delivery of written notice to the Selling Shareholder and the Company (a “Put
Notice”) within ten (10) days after Investor becomes aware of the
Prohibited Transfer or Incomplete Co-Sale.  The closing of such sale
to the Selling Shareholder under such Investor’s Put Right will occur within
seven (7) days after the date of such Investor’s Put Notice.

     

    6.           MARKET
STAND-OFF AGREEMENT.  Each Shareholder hereby agrees that upon
the prior written request of the Company or the managing underwriter, it will
not during the period commencing on the date of the final prospectus relating to
the Company’s initial public offering and ending on the date specified by the
Company and the managing underwriter (such period not to exceed one hundred
eighty (l80) days) (i) lend, offer, pledge, sell, contract to sell, sell
any option or contract to purchase, purchase any option or contract to sell,
grant any option, right or warrant to purchase, or otherwise transfer or dispose
of, directly or indirectly, any shares of Common Stock or any securities
convertible into or exercisable or exchangeable for Common Stock (whether such
shares or any such securities are then owned by the Shareholder or are
thereafter acquired), or (ii) enter into any swap or other arrangement that
transfers to another, in whole or in part, any of the economic consequences of
ownership of the Common Stock, whether any such transaction described in
clause (i) or (ii) above is to be settled by delivery of Common
Stock or such other securities, in cash or otherwise.  In order to
enforce the foregoing covenant, the Company shall have the right to place
restrictive legends on the certificates representing the shares subject to this
Section  6 and to impose stop transfer instructions with respect to
the shares of stock of each Shareholder (and the shares or securities of every
other person subject to the foregoing restriction) until the end of such
period.

     

    
      
         

      

      
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    7.       
    CANCELLATION
OF REPURCHASED STOCKHOLDERS’ SHARES.  Any shares of
Common Stock owned by a Shareholder which are purchased by the Company through
exercise of its Right of First Refusal under this Agreement will be cancelled by
the Company.

     

    8.        
   RESTRICTIVE LEGEND AND
STOP-TRANSFER ORDERS.

     

    8.1           Legend.  Each Shareholder
understands and agrees that the Company will cause the legend set forth below,
or a legend substantially equivalent thereto, to be placed upon any
certificate(s) or other documents or instruments evidencing ownership of Stock
by the Shareholder:

     

    THE
SHARES REPRESENTED BY THIS CERTIFICATE ARE SUBJECT TO CERTAIN RIGHTS OF FIRST
REFUSAL AND RIGHTS OF CO-SALE AS SET FORTH IN A RIGHT OF FIRST REFUSAL AND
CO-SALE AGREEMENT DATED APRIL 17, 2009 ENTERED INTO BY THE HOLDER OF THESE
SHARES, THE COMPANY AND CERTAIN STOCKHOLDERS OF THE COMPANY.  A COPY
OF SUCH AGREEMENT IS ON FILE AT THE PRINCIPAL OFFICE OF THE
COMPANY.  SUCH RIGHTS OF FIRST REFUSAL AND RIGHTS OF CO-SALE ARE
BINDING ON TRANSFEREES OF THESE
SHARES.

     

    8.2    Stop
Transfer Instructions.  Each Shareholder agrees, to
ensure compliance with the restrictions referred to herein, that the Company may
issue appropriate “stop transfer” certificates or instructions and that, if the
Company transfers its own securities, it may make appropriate notations to the
same effect in its records.

     

    9.      
     TERMINATION AND
WAIVER.

     

    9.1           Termination.  The Secondary
Right of First Refusal and Right of Co-Sale will terminate upon the earliest to
occur of the following: (a) immediately prior to the closing of the IPO;
(b) the date on which this Agreement is terminated by a writing executed by
the Company and the Investors holding a majority of the voting power of the
Stock then held by all Investors; (c) the dissolution of the Company;
(d) the closing of (1) the acquisition of all or substantially all the
assets of the Company or (2) a consolidation or merger (or similar
transaction or series of transactions) of the Company with or into any other
corporation or corporations in which the holders of the Company’s outstanding
shares immediately before such transaction or series of related transactions do
not, immediately after such transaction or series of related transactions,
retain stock (in substantially identical percentages) representing a majority of
the voting power of the surviving corporation (or its parent corporation if the
surviving corporation is wholly owned by the parent corporation) of such
transaction or series of related transactions; or (e) with respect to any
Investor, the date on which such Investor owns less than five percent (5%) of
the Stock of the Company.

     

    
      
         

      

      
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    9.2           Waiver.  The application
of the Right of First Refusal and/or Right of Co-Sale of an Investor as to any
proposed Transfer by a Selling Shareholder of any Stock may be waived in advance
of or after such transfer by the written agreement of the Investors holding
two-thirds of the voting power of the Stock then held by all the Investors, in
which case such waiver will be binding as to all Investors.  The
Company and the Investors will have the absolute right to exercise or refrain
from exercising any right or rights that each such party may have by reason of
this Agreement, including without limitation the right to acquire, or
participate in the transfer of, Offered Stock.  Neither the Company
nor any Investor will incur any liability to any other party hereto with respect
to exercising or refraining from exercising any such right or
rights.  Any waiver by a party of its rights hereunder will be
effective only if evidenced by a written instrument executed by such party or
its authorized representative or the failure of such party to respond within the
time required by the terms of this Agreement.

     

    10.           GENERAL
PROVISIONS.

     

    10.1           Notices.  Any and all
notices required or permitted to be given to a party pursuant to the provisions
of this Agreement will be in writing and will be effective and deemed to provide
such party sufficient notice under this Agreement on the earliest of the
following:  (a) at the time of personal delivery, if delivery is
in person; (b) at the time of transmission by facsimile, addressed to the
other party at its facsimile number specified herein (or hereafter modified by
subsequent notice to the parties hereto), with confirmation of receipt made by
both telephone and printed confirmation sheet verifying successful transmission
of the facsimile; (c) one (1) business day after deposit with an express
overnight courier for United States deliveries, or two (2) business days after
such deposit for deliveries outside of the United States, with proof of delivery
from the courier requested; or (d) three (3) business days after deposit in
the United States mail by certified mail (return receipt requested) for United
States deliveries.  All notices for delivery outside the United States
will be sent by facsimile or by express courier.  Notices by facsimile
shall be machine verified as received.  All notices not delivered
personally or by facsimile will be sent with postage and/or other charges
prepaid and properly addressed to the party to be notified at the address or
facsimile number set forth below such party’s signature on this Agreement or on
an Exhibit hereto, or at such other address or facsimile number as such other
party may designate by one of the indicated means of notice herein to the other
parties hereto as follows.  Any notice given hereunder to more than
one person will be deemed to have been given, for purposes of counting time
periods hereunder, on the date effectively given to the last party required to
be given such notice.

     

    (1)           if
to an Investor, at such Investor’s respective address or facsimile number as set
forth on Exhibit A hereto
or as shown in the Company’s records, as such records may be updated in
accordance with the provisions hereof, with a copy to John A. Eckstein, Esq.,
Fairfield and Woods P.C., 1700 Lincoln Street, Suite 2400, Denver, Colorado,
80203-4524, Facsimile 303-830-1033.

     

    (2)           if
to the Company, marked “Attention:  Jay Zoellner, Chief Executive
Officer” and should be delivered to 150 Paularino Avenue A120, Costa Mesa CA
92626, Facsimile: 714-957-1093, with a copy to Stephanie Brecher, Esq., Sheppard
Mullin Richter & Hampton LLP, 650 Town Center Drive, 4th Floor,
Costa Mesa, CA  92626, Facsimile: 714-428-5992.

     

    
      
         

      

      
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    (3)           if
to a Shareholder, at such Shareholder’s address or facsimile number set forth on
Exhibit B
hereto.

     

    10.2        Successors
and Assigns; Inclusion Within Certain Definitions.  This Agreement,
and the rights and obligations of the parties hereunder, will inure to the
benefit of, and be binding upon, their respective successors, assigns, heirs,
executors, administrators and legal representatives and, except for a Transfer
of Offered Stock to a transferee in full compliance with the terms and
conditions of this Agreement, any transferee of
Stock.  Notwithstanding anything herein to the contrary, any Investor
may assign its rights and obligations hereunder to any Affiliate of such
Investor.  For purposes of this Agreement, an individual, firm,
corporation, partnership, association, limited liability company, trust or any
other entity shall be deemed an “Affiliate”
of an Investor if he, she or it, directly or indirectly, controls, is controlled
by or is under common control with Investor, including, without limitation, any
partner, officer, director, member, manager or employee of Investor and any
venture capital fund now or hereafter existing that is controlled by or under
common control with one or more managers or general partners of or shares the
same management company with such Investor.  Any permitted transferee
of a Shareholder who is required to become a party hereto will be considered a
“Shareholder” for purposes of this Agreement without the need for any consent,
approval or sig­nature of any party hereto.

     

    10.3       
Severability. If any provision of this Agreement is
determined by any court or arbitrator of competent jurisdiction to be invalid,
illegal or unenforceable in any respect, such provision will be enforced to the
maximum extent possible given the intent of the parties hereto.  If
such clause or provision cannot be so enforced, such provision shall be stricken
from this Agreement and the remainder of this Agreement shall be enforced as if
such invalid, illegal or unenforceable clause or provision had (to the extent
not enforceable) never been contained in this
Agreement.  Notwithstanding the forgoing, if the value of this
Agreement based upon the substantial benefit of the bargain for any party is
materially impaired, which determination as made by the presiding court or
arbitrator of competent jurisdiction shall be binding, then both parties agree
to substitute such provision(s) through good faith
negotiations.

     

    10.4         Amendments
and Waivers; Transfer of Right. This Agreement may be
amended only by a written agreement executed by (i) the Company;
(ii) the holders of at least sixty-six and two thirds percent (66 2/3%) of
the Preferred Stock (voting together as a single class on an as-converted basis)
and (iii) the holders of at least a majority of the Common Stock; provided, however,
that no amendment or waiver shall be made that treats one Investor in a
materially adverse manner that is different from any other Investor without the
written consent of such adversely affected Investor.  Any amendment
effected in accordance with this section will be binding upon all parties hereto
and each of their respective successors and assigns.  No delay or
failure to require performance of any provision of this Agreement shall
constitute a waiver of that provision as to that or any other
instance.  No waiver granted under this Agreement as to any one
provision herein shall constitute a subsequent waiver of such provision or of
any other provision herein, nor shall it constitute the waiver of any
performance other than the actual performance specifically waived.

     

    
      
         

      

      
        -9-

        
          

        

      

      
         

      

    

    10.5          Governing
Law.  This Agreement will be
governed by and construed in accordance with the internal laws of the State of
California, without giving
effect to that body of laws pertaining to conflict of laws.

     

    10.6           Arbitration. Any dispute, claim,
question, or disagreement involving the interpretation or enforcement of any
provision of this Agreement or breach hereof or otherwise arising under or in
connection with this Agreement shall be submitted to binding arbitration in
Orange County, California, in accordance with the Commercial Arbitration Rules
of the American Arbitration Association (expedited procedures) then in
effect.  There shall be three (3) arbitrators, all of whom shall be
neutral, and at least one (1) of whom shall be an attorney licensed to practice
law in the State of California for at lease ten (10) years.  The
arbitrators shall have the authority to exclude evidence found to be irrelevant,
redundant, or prejudicial beyond its probative value, and are instructed to
exercise that authority consistently with reasonably expediting the
proceeding.  The arbitrators may order specific performance,
preliminary and final injunctive relief, and other equitable
relief.  The arbitrators may make awards to the substantially
prevailing party in their discretion and all fees, costs, and expenses of
enforcing any right of such substantially prevailing party under or with respect
to this Agreement, including, without limitation, the reasonable fees and
expenses of attorneys and accountants.  The award or order of the
arbitrators may be entered and enforced in any court of competent
jurisdiction.  The arbitration hearing shall begin no more than 90
days after the arbitrators are selected and shall be closed no more than 60 days
thereafter, unless such time periods are extended or waived by the
parties.  The arbitrators' award shall be issued within 30 days after
the hearing is closed.

     

    10.7           Injunctive
Relief.  The Parties agree that damages cannot reasonably
compensate the Parties in the event of a violation of the covenants and
restrictions in this Agreement and that it may be difficult to ascertain the
damages which would be suffered by the Parties in such
cases.  Accordingly, the Parties hereby agree and consent that, in the
event of any such actual or threatened breach or violation, notwithstanding
Section 10.6, any party may obtain injunctive relief in order to prevent the
potential or continuing violation of the terms of this Agreement from any court
of competent jurisdiction located in Orange County, California; provided, however, that any
determination of the fair market value of securities shall be made by binding
arbitration in accordance with the provisions of Section 10.6 above, and such
arbitration may proceed concurrently with any action for injunctive
relief.  The award of permanent or temporary injunctive relief shall
in no way limit any other remedies to which a party may be entitled as a result
of any such breach.

     

    10.8           Obligation
of Company; Binding Nature of Exercise.  The Company
agrees to use its best efforts to enforce the terms of this Agreement, to inform
Investor of any breach hereof (to the extent the Company has knowledge thereof)
and to assist each Investor in the exercise of such Investor’s rights and
performance of such Investor’s obligations hereunder.

     

    10.9           Counterparts.  This Agreement
may be executed in any number of counterparts, each of which when so executed
and delivered will be deemed an original, and all of which together will
constitute one and the same agreement.

     

    10.10         Entire
Agreement.  This Agreement
and the documents referred to herein, together with all the Exhibits hereto,
constitute the entire agreement and understanding of the parties with respect to
the subject matter of this Agreement, and supersede any and all prior
understandings and agreements, whether oral or written, between or among the
parties hereto with respect to the specific subject matter hereof.

     

    
      
         

      

      
        -10-

        
          

        

      

      
         

      

    

    10.11         Conflict.  In the event of
any conflict between the terms of this Agreement and the Company’s Articles of
Incorporation or its Bylaws, as amended, the terms of the Company’s Articles of
Incorporation or its Bylaws, as the case may be, will control.  In the
event of any conflict between the terms of this Agreement and any other
agreement to which an Investor is a party or by which the Selling Shareholder is
bound, the terms of this Agreement will control.  In the event of any
conflict between the Company’s books and records and this Agreement or any
notice delivered hereunder, the Company’s books and records will control absent
fraud or manifest error.

     

    10.12         Calculation;
Binding Effect of Company Notices.  All calculations
of an Investor’s Pro Rata Share will be made by the Company as of the date of
the Company’s notice in which such Pro Rata Share appears.  The Pro
Rata Share of Investor as shown on any notice required hereunder to be delivered
by the Company will be binding upon the parties hereto absent a showing by the
Investor that such notice contains numerical or factual errors.

     

    10.13         Additional
Investors. Notwithstanding anything to the contrary contained herein, if
the Company issues additional shares of Preferred Stock after the date hereof,
any purchaser of such shares of Preferred Stock may become a party to this
Agreement by executing and delivering an additional counterpart signature page
to this Agreement and thereafter shall be deemed an “Investor” for all purposes
hereunder.

     

    10.14         Certain
Shareholders Bound by Agreement.  The Company agrees each
officer, employee or consultant who, as a result of his or her receipt hereafter
of an equity incentive grant by the Company pursuant to any stock purchase or
option plan or other award, contract or arrangement, would own Common Stock or
options to purchase Common Stock of the Company which together would represent
more than one percent (1%) of the Company’s outstanding securities (calculated
on a fully-diluted basis including, without limitation, all options outstanding
under the Company’s equity plan or other equity incentive plans, as may be
adopted from time to time, and all outstanding warrants or other securities
convertible into shares of the Company), shall be required, as a condition to
receipt of such equity incentive grant before any such grant is made, to become
a party to this Agreement by executing and delivering an additional counterpart
signature page to this Agreement and thereafter shall be deemed a “Shareholder”
for all purposes hereunder.

     

    10.15         Stock
Split. All references to numbers of shares in this Agreement shall be
appropriately adjusted to reflect any stock dividend, split, combination or
other recapitalization affecting the Stock occurring after the date of this
Agreement.

     

    10.16         Ownership.
Each Shareholder represents and warrants that he or she is the sole legal and
beneficial owner of the shares of Stock subject to this Agreement and that no
other person has any interest in such shares (other than a community property
interest as to which the holder thereof has acknowledged and agreed in writing
to the restrictions and obligations hereunder).

     

    
      
         

      

      
        -11-

        
          

        

      

      
         

      

    

    10.17         Aggregation
of Stock.  All shares of
Stock held or acquired by Affiliates shall be aggregated together for the
purpose of determining the availability of any rights under this
Agreement.

     

    10.18        
Titles
and Headings.  The titles, captions and
headings of this Agreement are included for ease of reference only and will be
disregarded in interpreting or construing this Agreement.  Unless
otherwise specifically stated, all references herein to “sections” and
“exhibits” will mean “sections” and “exhibits” to this
Agreement.

     

    10.19          Continuity
of Other Restrictions.  Any Stock not
purchased by the Company under the Right of First Refusal will continue to be
subject to all other restrictions, including rights of first refusal, imposed
upon such Stock by agreement or by law, including any restrictions imposed under
the Company’s Articles of Incorporation or Bylaws, as amended.

     

    

     

    [Signature
Page Follows]

     

    
      
         

      

      
        -12-

        
          

        

      

      
         

      

    

    In
Witness Whereof, the parties have executed
this Amended and Restated Right of First Refusal and Co-Sale Agreement as of the
date first written above.

     

    

     

    COMPANY:

     

     

    ENERGY
AND POWER SOLUTIONS, INC.

     

     

    By: /s/ Jay Zoellner            

     

    Name: Jay
Zoellner

     

    Title:
President and CEO

     

    

     

    

     

    
      
        [Signature
Page to Amended and Restated Right of First Refusal and Co-Sale
Agreement]

         

      

      
         

        
          

        

      

      
         

      

    

    In
Witness Whereof, the parties have executed
this Amended and Restated Right of First Refusal and Co-Sale Agreement as of the
date first written above.

     

    

     

    COMMON
SHAREHOLDERS:

     

     

    /s/ Jay Zoellner                    

    JAY
ZOELLNER

     

     

    /s/ Shiva Subramanya                

    SHIVA
SUBRAMANYA

     

     

    /s/ Staffan Akerstrom                

    STAFFAN
AKERSTROM

     

     

    /s/ George Botich                  

    GEORGE
BOTICH

     

     

    /s/ Charles Allured                  

    CHARLES
ALLURED

     

    
      
        [Signature
Page to Amended and Restated Right of First Refusal and Co-Sale
Agreement]

         

      

      
         

        
          

        

      

      
         

      

    

    In
Witness Whereof, the parties have executed
this Amended and Restated Right of First Refusal and Co-Sale Agreement as of the
date first written above.

    

    

    INVESTORS:

    

    ALTIRA
TECHNOLOGY FUND V L.P.

    

    By:
Altira Management V LLC

    Its
General Partner

    

    By:  Altira
Group LLC

    Its Sole
Managing Member

    

    

    By: /s/ James R. Newell        
Jim
Newell
Managing
Member

    
      
        [Signature
Page to Amended and Restated Right of First Refusal and Co-Sale
Agreement]

         

      

      
         

        
          

        

      

      
         

      

    

    In
Witness Whereof, the parties have executed
this Amended and Restated Right of First Refusal and Co-Sale Agreement as of the
date first written above.

    

     

    INVESTORS:

     

     

    NGEN
II, L.P.

     

    By:  NGEN
Partners II, LLC

    Its
General Partner

     

     

    By: /s/ Steven Parry            
Steven
Parry
Managing
Member

    

    

    

     

    
      
        [Signature
Page to Amended and Restated Right of First Refusal and Co-Sale
Agreement]

         

      

      
         

        
          

        

      

      
         

      

    

    In
Witness Whereof, the parties have executed
this Amended and Restated Right of First Refusal and Co-Sale Agreement as of the
date first written above.

     

    

     

    INVESTORS:

     

    THE
ENVIRONMENT AGENCY ACTIVE

    PENSION
FUND

    

    By: The
Environment Agency,
its
Administrative Authority

     

    By:
Robeco Institutional Asset Management B.V.,
its
Authorized Agent

     

     

    By: /s/ J. G. van der Boon            
Name: J.
G. van der Boon
Title:

     

    
      By: /s/ A. J. C. van den Ouweland      
Name: A.
J. C. van den Ouweland
Title:

       

    

    STICHTING
CUSTODY ROBECO MASTER

    CLEAN
TECH II (EUR)

    

    
       

      By: /s/ J. G. van der Boon            
Name: J.
G. van der Boon
Title:

       

      
        By: /s/ A. J. C. van den Ouweland      
Name: A.
J. C. van den Ouweland
Title:

         

      

    

    STICHTING
CUSTODY ROBECO MASTER

    CLEAN
TECH II (USD)

    

    
       

      By: /s/ J. G. van der Boon            
Name: J.
G. van der Boon
Title:

       

      
        By: /s/ A. J. C. van den Ouweland      
Name: A.
J. C. van den Ouweland
Title:

        
 

      

    

    
      
        [Signature
Page to Amended and Restated Right of First Refusal and Co-Sale
Agreement]

        
        

      

      
        
        

        
          

        

      

      
        
        

      

    

     

    
       

    

    EXHIBIT
A

     

    INVESTORS

     

    
      
        	
                Investor

              	
                Series
      A

                Preferred Stock

              	
                Series
      B

                Preferred Stock

              
	
                ALTIRA TECHNOLOGY FUND V
      L.P.

                 

              	
                __

              	
                5,813,953

              
	
                NGEN II, L.P.

                1114 State Street, Suite
      247

                Santa Barbara, CA
      93101

                Attn.: Steve
      Parry

                Fax: (805)
      564-1669

              	
                2,574,456

              	
                5,963,921

              
	
                THE
      ENVIRONMENT 

                AGENCY
      ACTIVE PENSION FUND

                c/o
      Private Equity Team

                Robeco
      Alternative Investments

                Coolsingel
      120

                3011
      AG Rotterdam

                The
      Netherlands

                Attn:
      Rhea J. Hamilton

                Fax:
      +31 (0)10 224 2181

              	
                514,891

              	
                1,192,434

              
	
                STICHTING
      CUSTODY ROBECO MASTER CLEANTECH II (EUR)

                c/o
      Private Equity Team

                Robeco
      Alternative Investments

                Coolsingel
      120

                3011
      AG Rotterdam

                The
      Netherlands

                Attn:
      Rhea J. Hamilton

                Fax:
      +31 (0)10 224 2181

              	
                1,312,972

              	
                3,041,357

              
	
                STICHTING
      CUSTODY ROBECO MASTER CLEANTECH II (USD)

                c/o
      Private Equity Team

                Robeco
      Alternative Investments

                Coolsingel
      120

                3011
      AG Rotterdam

                The
      Netherlands

                Attn:
      Rhea J. Hamilton

                Fax:
      +31 (0)10 224 2181

              	
                746,593

              	
                1,729,399

              
	
                TOTAL

              	
                5,148,912

              	
                17,741,062

              

      

    

    

     

    
      
         

      

      
         

        
          

        

      

      
         

      

    

    EXHIBIT
B

     

    LIST
OF SHAREHOLDERS

     

    
      
        	
                Shareholder

              	
                Shares of Common Stock
  Held

              
	
                 

                Jay
      Zoellner

                 

                Address:

                c/o
      Energy Power and Solutions, Inc.

                150
      Paularino Avenue A120

                Costa
      Mesa CA 92626

                 

              	
                 

                1,480,000

              
	
                Shiva
      Subramanya

                 

                Address:

                c/o
      Energy Power and Solutions, Inc.

                150
      Paularino Avenue A120

                Costa
      Mesa CA 92626

                 

              	
                1,200,000

              
	
                Staffan
      Akerstrom

                 

                Address:

                c/o
      Energy Power and Solutions, Inc.

                150
      Paularino Avenue A120

                Costa
      Mesa CA 92626

                 

              	
                1,120,000

              
	
                George
      Botich

                 

                Address:

                c/o
      Energy Power and Solutions, Inc.

                150
      Paularino Avenue A120

                Costa
      Mesa CA 92626

                 

              	
                200,000

              
	
                Charles
      Allured

                 

                Address:

                c/o
      Energy Power and Solutions, Inc.

                150
      Paularino Avenue A120

                Costa
      Mesa CA 92626

              	
                210,000

              

      

    

    

     

    
      
         

      

      
         

        
          

        

      

      
         

      

    

    EXHIBIT
C

     

    STOCK POWER AND
ASSIGNMENT

    SEPARATE FROM
CERTIFICATE

     

    FOR VALUE
RECEIVED and pursuant to that certain Right of First Refusal and Co-Sale
Agreement dated as of __________ __, 2009 (the “Agreement”),
the undersigned hereby sells, assigns and transfers unto
____________________________,___________________________ shares of the common
stock of Energy and Power Solutions, Inc., a California corporation (the “Company”),
standing in the undersigned’s name on the books of the Company represented by
Certificate No(s). __________ delivered herewith, and does hereby irrevocably
constitute and appoint the Secretary of the Company as the undersigned’s
attorney-in-fact, with full power of substitution, to transfer said stock on the
books of the Company.  THIS
ASSIGNMENT MAY ONLY BE USED AS AUTHORIZED BY THE AGREEMENT AND THE EXHIBITS
THERETO.

    
    

    
      
        
          
            	
                    Dated:
      _________________________

                  	
                    SHAREHOLDER

                  
	 
      	
                    _______________________________________

                  
	 
      	
                    [Signature
      of Shareholder]

                  
	 	 
	 
      	
                    _______________________________________

                  
	 
      	
                    [Print
      Name of Shareholder]

                  
	 	 
	 
      	
                    _______________________________________

                  
	 
      	
                    [Spouse’s
      Signature, if married]

                  
	 	 
	 
      	
                    _______________________________________

                  
	 
      	
                    [Print
      Spouse’s Name, if
married]

                  

          

        

      

    

    

     

     

    Instruction:  Please
do not fill in
any blanks other than the signature line.  The purpose of this Stock
Power and Assignment is to enable the Company and/or its assignee(s) and certain
other parties to exercise their respective “Rights of First Refusal” and “Rights
of Co-Sale” as set forth in the Agreement without requiring additional
signatures on the part of the Shareholder or the Shareholder’s
Spouse.

     

    
      
         

      

      
        -i-Unassociated Document

    

    AMENDED
AND RESTATED VOTING AGREEMENT

     

    This
Amended and Restated Voting Agreement (this “Agreement”)
is made and entered into as of April 17, 2009, (the “Effective
Date”) by and among Energy Power and Solutions, Inc., a California
corporation (the “Company”),
the parties listed on Exhibit A
attached hereto (the “Investors”)
and the shareholders listed on Exhibit B
attached hereto (the “Shareholders”).  The
Investors and the Shareholders are sometimes hereinafter collectively referred
to as the “Holders.”

     

    WHEREAS, on November 30, 2007,
certain of the Investors purchased from the Company shares of its Series A
Preferred Stock (“Series A
Stock”) on the terms and conditions set forth in that certain Series A
Preferred Stock Purchase Agreement among the Company and certain Investors (the
“Series A
Purchase Agreement”).  Such Investors are referred to as “Prior
Investors.”

     

    WHEREAS, concurrently
herewith, the Prior Investors and the new Investors are purchasing from the
Company shares of its Series B Preferred Stock (“Series B
Stock,” and collectively with the Series A Stock, the “Preferred
Stock”) on the terms and conditions set forth in that certain Series B
Preferred Stock Purchase Agreement, dated of even date herewith, among the
Company and the Investors, as amended from time to time (the “Series B Purchase
Agreement,” and collectively with the Series A Purchase Agreement, the
“Purchase
Agreements”); and

     

    WHEREAS, as an inducement to
the Investors to purchase the Series B Stock pursuant to the Series B Purchase
Agreement, the Investors, the Shareholders and the Company desire to enter into
this Agreement to set forth their agreements and understandings with respect to
how shares of the Company’s capital stock held by them will be voted in any
election of directors of the Company and on certain other matters.

     

    NOW
THEREFORE, in consideration of the foregoing recitals and the mutual
covenants made herein, the parties hereto agree as follows:

     

    1.           CAPITAL
STOCK.  The Holders
expressly agree that the terms and restrictions of this Agreement shall apply to
all shares of capital stock (including, but without limitation, all classes of
common, preferred, voting and nonvoting capital stock) of the Company which any
of them now owns or hereafter acquires by any means, including without
limitation by purchase, assignment, conversion of convertible securities or
operation of law, or as a result of any stock dividend, stock split,
reorganization, reclassification, whether voluntary or involuntary, or other
similar transaction, and to any shares of capital stock of any successor in
interest of the Company, whether by sale, merger, consolidation or other similar
transaction, or by purchase, assignment or operation of law (the “Company
Stock”).

     

    2.           ELECTION OF BOARD OF
DIRECTORS.

     

    2.1            Size of
Board of Directors.  During the term
of this Agreement, each Holder, in his/her/its capacity as a shareholder, agrees
to vote all Company Stock now or hereafter directly or indirectly owned (of
record or beneficially) by such Holder to maintain the authorized number of
members of the Board at five (5) directors. 

     

    

    
      
        
           

        

        
          -1-

          
            

          

        

        
           

        

      

    

    

    2.2            Voting;
Board Composition.  During the term
of this Agreement, each Holder agrees to vote (or consent pursuant to an action
by written consent of the shareholders of the Company), in any election of
directors, all Company Stock now or hereafter directly or indirectly owned of
record or beneficially by such Holder, or to cause such shares of Company Stock
to be voted, in such manner as may be necessary to elect (and maintain in
office) as members of the Company’s Board of Directors (the “Board”),
the following five (5) individuals:

     

    (a)           four (4)
individuals designated from time to time in a writing delivered to the Company
and signed by a duly authorized representative of the holders of a majority of
the then issued and outstanding shares Preferred Stock (voting together as a
single class), (i) one (1) of whom shall be designated by Altira Technology Fund
V L.P. (“Altira”)
for so long as Altira and its Affiliates continue to own beneficially at least
ten percent (10%) of the shares of Preferred Stock (on an as-converted to
Common Stock basis) that Altira and its Affiliates own on the date of this
Agreement, (ii) one (1) of whom shall be designated by NGEN II, L.P. (“NGEN”)
for so long as NGEN and its Affiliates continue to own beneficially at least ten
percent (10%) of the shares of Preferred Stock (on an as-converted to
Common Stock basis) that NGEN and its Affiliates own on the date of this
Agreement, (iii) one (1) of whom shall be designated by Robeco Institutional
Asset Management B.V. or its Affiliate (“Robeco”)
for so long as Robeco and its Affiliates continue to own beneficially at least
ten percent (10%) of the shares of Preferred Stock (on an as-converted to
Common Stock basis) that Robeco and its Affiliates own on the date of this
Agreement (collectively, the Altira, NGEN and Robeco designees shall be referred
to as the “Preferred
Designees”); and (iv) one (1) individual who meets the current standards
for “independence” set forth in the Nasdaq Marketplace Rules (the “Independent
Designee”).

     

    (b)           one
individual designated from time to time in a writing delivered to the Company
and signed by a duly authorized representative of the holders of at least a
majority of the then issued and outstanding shares of Common Stock (excluding
for this purpose any shares of Common Stock issued upon exercise of the
conversion rights of the Preferred Stock), voting together as a single class,
who is the Corporation’s then-current Chief Executive Officer (the “Common
Designee”); provided,
however, that in
the event that the then-current Chief Executive Officer owns less than 1.0% of
the outstanding shares of capital stock of the Company on a fully diluted basis,
the Common Designee shall be an individual who owns at least 1.0% of the
outstanding shares of capital stock of the Company on a fully diluted
basis.

     

    2.3            Initial
Board Members; Board
Observers.  The
initial Altira designee will be Jim Newell; the initial NGEN designee will be
Steven Parry; the initial Robeco designee will be Rhea Hamilton; the initial
Common Designee will be Jay Zoellner, and the initial Independent Designee will
be Charlie Oliver.  As long as each of Altira, NGEN and Robeco
beneficially owns any shares of Preferred Stock, the Company shall invite one
representative of each of Altira, NGEN and Robeco to attend all meetings of the
Board in a nonvoting observer capacity and, in this respect, shall give such
representative copies of all notices, minutes, consents and other materials that
it provides to its directors; provided, however,
that such representative shall agree to keep such information confidential and
not to disclose it to any third party other than such representative’s partners
and advisors (provided that such parties are also subject to a duty of
confidentiality to Company with respect to information disclosed at the meetings
of the Board).  In addition, as long as each of Shiva Subramanya
(“Subramanya”)
and Staffan Akerstrom (“Akerstrom”)
are currently employed by the Company and each owns at least 1.0% of the
outstanding shares of capital stock of the Company on a fully diluted basis, the
Company shall invite Subramanya and Akerstrom to attend all meetings of the
Board in a nonvoting observer capacity and, in this respect, shall give such
representative copies of all notices, minutes, consents and other materials that
it provides to its directors; provided, however,
that such representative shall agree to keep such information confidential and
not to disclose it to any third party other than such representative’s partners
and advisors (provided that such
parties are also subject to a duty of confidentiality to Company with respect to
information disclosed at the meetings of the Board).

     

    

    
      
        
           

        

        
          -2-

          
            

          

        

        
           

        

      

    

    

    2.4            Changes
in Board Designees.  From time to time
during the term of this Agreement, the shareholders or persons entitled to
designate a director pursuant to Section 2.2 (each a “Designator”
and collectively, the “Designators”)
may, in their sole discretion, as applicable:

     

    (a)           elect
to remove from the Board any incumbent Board designee who occupies a Board seat
for which such Designator or Designators are entitled to designate the Board
designee under Section 2.2, provided, however,
that in the event the Company’s then-current Chief Executive Officer ceases to
be employed by the Company, he or she may be removed from the Board by the vote
of a majority of the remaining directors; and/or

     

    (b)           designate
a new Board designee for election to a Board seat for which such Designator or
Designators are entitled to designate the Board designee under Section 2.2
(whether to replace a prior Board designee or to fill a vacancy in such Board
seat due to death, termination, removal or resignation); provided such removal
and/or designation of a Board designee is approved in a writing signed by
Designators who are entitled to designate such Board designee under
Section 2.2, in which case such election to remove a Board designee and/or
elect a new Board designee will be binding on all such
Designators.  In the event of such a removal and/or designation of a
Board designee under this Section 2.4, the Holders shall vote their shares
of the Company Stock as provided in Section 2.2 to
cause:  (a) the removal from the Board of the Board designee or
designees so designated for removal by the appropriate Designators or
Designators; and (b) the election to the Board of any new Board designee or
designees so designated for election to the Board by the appropriate Designator
or Designators.

     

    2.5            Notice;
Covenant to Vote in Accord.  The Company shall
promptly give each of the Holders written notice of any change in composition of
the Board and of any proposal by a Designator or Designators to remove or elect
a new Board designee as described in this Section 2 above.  In any
election of directors pursuant to this Section 2, the Holders shall vote
their shares of Company Stock in a manner sufficient to elect to the Board the
individuals to be elected thereto as provided in this
Section 2.

     

    2.6            Grant of
Proxy.  Upon the failure
of any party to vote their Company Stock in accordance with the terms of this
Agreement within five (5) days of the Company’s or any other party’s written
request for such party’s written consent or signature, such party hereby grants
to the Company’s Secretary a proxy coupled with an interest in all Company Stock
owned by such party, which proxy shall be irrevocable until this Agreement
terminates pursuant to its terms or this Section 2.6 is amended to remove such
grant of proxy in accordance with Section 7.12 hereof, to vote all such
Company Stock in the manner provided in Section 2 hereof and to execute all
appropriate instruments consistent with this Agreement.  The proxy
given with respect hereto, so long as any party hereto is an individual, will
surivive the death, incompetency and disability of such party or any other
individual holder of shares of Company Stock and, so long as any party hereto is
an entity, will survive the merger or reorganization of such party or any other
entity holding any shares of Company Stock of each Holder.

     

    

    
      
        
           

        

        
          -3-

          
            

          

        

        
           

        

      

    

    

    2.7           Section
706.  The Holders and the Company intend this Section 2 to
constitute an enforceable voting agreement under Section 706 of the California
Corporation Code.

     

    3.           DRAG-ALONG
RIGHTS

     

    3.1            Definitions.  A “Sale of the
Company” means (a) any merger, acquisition, reorganization or sale
of voting control of the Company in which the Holders of the Company Stock
immediately prior to the transaction do not own, in substantially equivalent
proportions as before, a majority of the outstanding shares of the surviving
entity (a “Sale of Voting
Control Transaction”) or (b) a transaction that qualifies as a
“Deemed
Liquidation” as defined in the Company’s Amended and Restated Articles of
Incorporation as in effect on the date hereof and as may be amended from time to
time (the “Restated
Articles”).  “Qualified
IPO” shall have the meaning set forth in the Restated
Articles.

     

    3.2            Actions
to be Taken Upon Approval of a Sale of the Company.  After the date
that is five (5) years after the Effective Date, in the event that the holders
of at least sixty-six and two-thirds percent (66 2/3%) (or such higher
percentage as set forth in the protective provisions in the Restated Articles,
as such provisions may be amended from time to time) of the outstanding shares
of Preferred Stock (considered as a single class voting on an as-converted to
Common Stock basis) (the “Selling
Investors”) and a majority of the members of the Board, approve a Sale of
the Company in writing, specifying that this Section 3 shall apply to such
transaction, then each Shareholder hereby agrees:

     

    (a)           if
such transaction requires shareholder approval, with respect to all Company
Stock that such Shareholder owns or over which such Shareholder otherwise
exercises voting power, to vote (in person, by proxy or by action by written
consent, as applicable) all such Company Stock in favor of, and adopt, such Sale
of the Company and to vote in opposition to any and all other proposals that
could delay or impair the ability of the Company to consummate such Sale of the
Company;

     

    (b)           if
such transaction involves the sale of Company Stock, to sell the same proportion
of shares of Company Stock beneficially held by such Shareholder as is being
sold by the Selling Investors to the Person to whom the Selling Investors
propose to sell their shares, and, except as permitted in Section 3.3
below, on the same terms and conditions as the Selling Investors;

     

    (c)           to
execute and deliver all related documentation and take such other action in
support of the Sale of the Company as shall reasonably be requested by the
Company or the Selling Investors in order to carry out the terms and provision
of this Section 3, including without limitation tendering all shares of
Company Stock held by each such Shareholders (or as to which such Shareholder
has power of disposition) which are the subject of the Sale of the Company in
accordance with the terms of the Sale of the Company, executing and delivering
instruments of conveyance and transfer, and any purchase agreement, merger
agreement, indemnity agreement, escrow agreement, consent, waiver, governmental
filing, share certificates duly endorsed for transfer (free and clear of
impermissible liens, claims and encumbrances) and any similar or related
documents;

     

    

    
      
        
           

        

        
          -4-

          
            

          

        

        
           

        

      

    

    

    (d)           not
to deposit, and to cause their Affiliates not to deposit, except as provided in
this Agreement, any Company Stock owned by such party or Affiliate in a voting
trust or subject any Company Stock to any arrangement or agreement with respect
to the voting of such Company Stock, unless specifically requested to do so by
the acquiror in connection with the Sale of the Company; and

     

    (e)           to
refrain from exercising any dissenters’ rights, preemptive rights or rights of
appraisal or similar rights under applicable law at any time with respect to
such Sale of the Company.

     

    3.3            Exceptions.  Notwithstanding
the foregoing, a Shareholder will not be required to comply with
Section 3.2 above in connection with any proposed Sale of the Company (the
“Proposed
Sale”) unless:

     

    (a)           each
Holder shall be required to make substantially the same representations,
warranties and covenants and shall have substantially the same indemnification
obligations, if any, and any such representations, warranties, covenants or
indemnification obligations shall be customary;

     

    (b)           the
liability for indemnification, if any, of such Shareholder in the Proposed Sale
and for the inaccuracy of any representations and warranties made by the Company
in connection with such Proposed Sale, is several and not joint with any other
Person, and is pro rata in accordance with such Shareholder’s relative ownership
of the Company Stock;

     

    (c)           upon
the consummation of the Proposed Sale, (i) each holder of each series of
the Company’s Preferred Stock and each holder of the Company’s Common Stock will
receive the same form of consideration for their shares of Common Stock and
Preferred Stock, (ii) each holder of a series of Preferred Stock will
receive the same amount of consideration per share of such series of Preferred
Stock, (iii) each holder of Common Stock will receive the same amount of
consideration per share of Common Stock, and (iv) unless the holders of at
least sixty-six and two-thirds percent (66 2/3%) of the Preferred Stock then
outstanding (voting together as a single class on an as-converted basis) elect
otherwise, if the Proposed Sale is a Deemed Liquidation, then the aggregate
consideration receivable by all holders of the Preferred Stock and Common Stock
shall be allocated among the holders of Preferred Stock and Common Stock on the
basis of the relative liquidation preferences to which the holders of each
respective series of Preferred Stock and the holders of Common Stock are
entitled in a Deemed Liquidation in accordance with the Restated Articles in
effect immediately prior to the Proposed Sale; and

     

    (d)           subject
to clause (c) above, requiring the same form of consideration to be received by
the holders of the Company’s Common Stock and Preferred Stock, if any holders of
any capital stock of the Company are given an option as to the form and amount
of consideration to be received as a result of the Proposed Sale, all Holders of
such capital stock will be given the same option.

     

    3.4            Restrictions
on Sales of Voting Control Transactions.  Unless the
holders of at least sixty-six and two-thirds percent (66 2/3%) of Preferred
Stock (voting together as a single class on an as-converted basis) elect
otherwise, no Shareholder shall be a party to any Sale of Voting Control
Transaction unless all holders of Preferred Stock are allowed to participate in
such transaction and the consideration received pursuant to such transaction is
allocated among the parties thereto in the manner specified in the Restated
Articles in effect immediately prior to the Sale of Voting Control Transaction
(as if such transaction were a Deemed Liquidation).

     

    

    
      
        
           

        

        
          -5-

          
            

          

        

        
           

        

      

    

    

    3.5            Actions
to be Taken Upon a Qualified IPO.  In the event that
the Selling Investors and a majority of the members of the Board approve a
Qualified IPO in writing, specifying that this Section 3 shall apply to
such transaction, then each Shareholder hereby agrees to consent to and raise no
objection against the Qualified IPO, and use its best efforts to execute and
deliver all related documentation and take such other action in support of the
Qualified IPO as shall reasonably be requested by the Company and/or the Selling
Investors.

     

    3.6            Binding
Effect on Future Holders of Common Stock.  In furtherance of
the obligations set forth in this Section 3, the Company shall take all
necessary steps to ensure that each future holder of Common Stock, and/or
options therefore, representing at the time of issuance or grant one percent
(1%) or more of the Company’s outstanding capital stock calculated on a
fully-diluted basis (in the manner set forth in Section 3 of that
Investors’ Rights Agreement of even date) shall execute a counterpart signature
page to this Agreement and agree to be bound by the provisions of this
Section 3.

     

    4.           TRANSFEREES; LEGENDS ON
CERTIFICATES.

     

    4.1            Effect on
Transferees.  Each and every
transferee or assignee of any shares of Company Stock from any Holder shall be
bound by and subject to the terms and conditions of this Agreement that are
applicable to the transferor or assignor of such shares, and the Company shall
require, as a condition precedent to the transfer of any Company Stock subject
to this Agreement, that the transferee agrees in writing to be bound by, and
subject to, all the terms and conditions of this Agreement.  To ensure
compliance with the restrictions referred to herein, each Holder purporting to
transfer or assign any shares of Company Stock agrees that the Company may issue
appropriate “stop-transfer” instructions.  The Company shall not (a)
permit any transfer on its books of any of its shares which shall have been
transferred in violation of any of the provisions set forth in this Agreement or
(b) treat as owner of such shares or accord the right to vote as owner or pay
dividends to any transferee to whom such shares shall have been transferred in
violation of any of the provisions set forth in this Agreement.  Upon
effectiveness of a transfer or assignment in compliance with this
Section 4, Exhibit A or B, as applicable, of this Agreement shall be
automatically amended so that such transferee or assignee’s name is listed on
Exhibit A or B and such transferee or assignee becomes a Holder
hereunder.

     

    4.2            Legend.  The Holders agree
that all Company share certificates now or hereafter held by them that represent
Company Stock subject to this Agreement will be stamped or otherwise imprinted
with a legend to read as follows:

     

    “THE
SHARES EVIDENCED BY THIS CERTIFICATE ARE SUBJECT TO AGREEMENTS AND RESTRICTIONS
WITH REGARD TO THE VOTING OF SUCH SHARES AND THEIR TRANSFER, AS PROVIDED IN THE
PROVISIONS OF A VOTING AGREEMENT, A COPY OF WHICH IS ON FILE IN THE OFFICE OF
THE SECRETARY OF THE CORPORATION.”

     

    

    
      
        
           

        

        
          -6-

          
            

          

        

        
           

        

      

    

    

    5.           ENFORCEMENT
OF AGREEMENT.  Each of the
Holders acknowledge and agree that any breach by any of them of this Agreement
shall cause the other Holders irreparable harm which may not be adequately
compensable by money damages.  Accordingly, in the event of a breach
or threatened breach by a Holder of any provision of this Agreement, the Company
and each other Holder shall each be entitled to seek the remedies of specific
performance, injunction or other preliminary or equitable relief, including the
right to compel any such breaching Holder, as appropriate, to vote such Holder’s
shares of capital stock of the Company in accordance with the provisions of this
Agreement, without having to prove irreparable harm or actual
damages.  The foregoing right shall be in addition to such other
rights or remedies as may be available to the Company or any Holder for any such
breach or threatened breach, including but not limited to the recovery of money
damages.

     

    6.           TERM.  This Agreement
shall commence on the Effective Date and shall terminate upon the first to occur
of the following:

     

    (a)           A
termination effected in accordance with the provisions of
Section 7.12;

     

    (b)           Immediately
prior to the consummation of a Qualified IPO; or

     

    (c)           Upon
the consummation of a Deemed Liquidation Event in connection with which all
proceeds received by the Holders are cash and/or publicly-traded
securities.

     

    7.           GENERAL
PROVISIONS.

     

    7.1            Notices.  Any
and all notices required or permitted to be given to a party pursuant to the
provisions of this Agreement will be in writing and will be effective and deemed
to provide such party sufficient notice under this Agreement on the earliest of
the following:  (i) at the time of personal delivery, if delivery
is in person; (ii) at the time of transmission by facsimile, addressed to
the other party at its facsimile number specified herein (or hereafter modified
by subsequent notice to the parties hereto), with confirmation of receipt made
by both telephone and printed confirmation sheet verifying successful
transmission of the facsimile; (iii) one (1) business day after deposit
with an express overnight courier for United States deliveries, or two (2)
business days after such deposit for deliveries outside of the United States,
with proof of delivery from the courier requested; or (iv) three (3)
business days after deposit in the United States mail by certified mail (return
receipt requested) for United States deliveries.  All notices for
delivery outside the United States will be sent by facsimile or by express
courier.  Notices by facsimile shall be machine verified as
received.  All notices not delivered personally or by facsimile will
be sent with postage and/or other charges prepaid and properly addressed to the
party to be notified at the address or facsimile number as follows, or at such
other address or facsimile number as such other party may designate by one of
the indicated means of notice herein to the other parties hereto as
follows:

     

    (a)           if
to any Investor, at such Investor’s address or facsimile number set forth on
Exhibit A
hereto; or as shown in the Company’s records, as such records may be updated in
accordance with the provisions hereof, with a copy to John A. Eckstein, Esq.,
Fairfield and Woods P.C., 1700 Lincoln Street, Suite 2400, Denver, Colorado,
80203-4524, Facsimile 303-830-1033.

     

    

    
      
        
           

        

        
          -7-

          
            

          

        

        
           

        

      

    

    

    (b)           if
to the Company, marked: “Attention:  Jay Zoellner, Chief Executive
Officer” and should be delivered to 150 Paularino Avenue A120, Costa Mesa CA
92626, Facsimile: 714-957-1093, with a copy to Stephanie Brecher, Esq., Sheppard
Mullin Richter & Hampton, 650 Town Center Drive, 4th Floor,
Costa Mesa, CA 92626, Facsimile: 714-428-5992.

     

    (c)           if
to a Shareholder, at such Shareholder’s address or facsimile number set forth on
Exhibit B
hereto.

     

    7.2            Entire
Agreement.  This Agreement
and the documents referred to herein, together with all the Exhibits hereto,
constitute the entire agreement and understanding of the parties with respect to
the subject matter of this Agreement, and supersede any and all prior
understandings and agreements, whether oral or written, between or among the
parties hereto with respect to the specific subject matter hereof.

     

    7.3            Governing
Law.  This Agreement
will be governed by and construed in accordance with the laws of the State of
California, without giving effect to that body of laws pertaining to conflict of
laws.

     

    7.4            Severability.  If any provision
of this Agreement is determined by any court or arbitrator of competent
jurisdiction to be invalid, illegal or unenforceable in any respect, such
provision will be enforced to the maximum extent possible given the intent of
the parties hereto.  If such clause or provision cannot be so
enforced, such provision shall be stricken from this Agreement and the remainder
of this Agreement shall be enforced as if such invalid, illegal or unenforceable
clause or provision had (to the extent not enforceable) never been contained in
this Agreement.  Notwithstanding the forgoing, if the value of this
Agreement based upon the substantial benefit of the bargain for any party is
materially impaired, which determination as made by the presiding court or
arbitrator of competent jurisdiction shall be binding, then both parties agree
to substitute such provision(s) through good faith negotiations.

     

    7.5            Third
Parties.  Nothing in this
Agreement, express or implied, is intended to confer upon any person, other than
the parties hereto and their successors and assigns, any rights or remedies
under or by reason of this Agreement.

     

    7.6            Successors
And Assigns.  Except as
otherwise provided in this Agreement, this Agreement, and the rights and
obligations of the parties hereunder, will be binding upon and inure to the
benefit of their respective successors, assigns, heirs, executors,
administrators and legal representatives.  In furtherance and not in
limitation of the foregoing, the rights of any Investor contained in this
Agreement may be transferred or assigned by such Investor to a transferee or
assignee of Company Stock that is an “Affiliate”
of such Investor (as such term is defined under Rule 144 as promulgated by the
Securities Act), which acquires not less than ten percent (10%) shares of
Company Stock then held by such Investor (as adjusted for stock splits, stock
dividends, recapitalizations and the like); provided, however, that (i) the transferor
shall, within reasonable time after such transfer, furnish to the Company
written notice of the name and address of such transferee or assignee and the
securities with respect to which such transfer or assignment is being made and
(ii) such transfer shall comply with the terms of Section 4.1
hereof.

     

    

    
      
        
           

        

        
          -8-

          
            

          

        

        
           

        

      

    

    

    7.7            Titles
and Headings.  The titles,
captions and headings of this Agreement are included for ease of reference only
and will be disregarded in interpreting or construing this
Agreement.  Unless otherwise specifically stated, all references
herein to “sections” and “exhibits” will mean “sections” and “exhibits” to this
Agreement.

     

    7.8            Counterparts.  This Agreement
may be executed in any number of counterparts (including by facsimile or email with
scanned attachment), each of which when so executed and delivered will be
deemed an original, and all of which together shall constitute one and the same
agreement.

     

    7.9            Arbitration.  Any dispute,
claim, question, or disagreement involving the interpretation or enforcement of
any provision of this Agreement or breach hereof or otherwise arising under or
in connection with this Agreement shall be submitted to binding arbitration in
Orange County, California, in accordance with the Commercial Arbitration Rules
of the American Arbitration Association (expedited procedures) then in
effect.  There shall be three (3) arbitrators, all of whom shall be
neutral, and at least one (1) of whom shall be an attorney licensed to practice
law in the State of California for at lease ten (10) years.  The
arbitrators shall have the authority to exclude evidence found to be irrelevant,
redundant, or prejudicial beyond its probative value, and are instructed to
exercise that authority consistently with reasonably expediting the
proceeding.  The arbitrators may order specific performance,
preliminary and final injunctive relief, and other equitable
relief.  The arbitrators may make awards to the substantially
prevailing party in their discretion and all fees, costs, and expenses of
enforcing any right of such substantially prevailing party under or with respect
to this Agreement, including, without limitation, the reasonable fees and
expenses of attorneys and accountants.  The award or order of the
arbitrators may be entered and enforced in any court of competent
jurisdiction.  The arbitration hearing shall begin no more than 90
days after the arbitrators are selected and shall be closed no more than 60 days
thereafter, unless such time periods are extended or waived by the
parties.  The arbitrators’ award shall be issued within 30 days after
the hearing is closed.

     

    7.10            Injunctive
Relief.  The Parties agree that damages cannot reasonably
compensate the Parties in the event of a violation of the covenants and
restrictions in this Agreement and that it may be difficult to ascertain the
damages which would be suffered by the Parties in such
cases.  Accordingly, the Parties hereby agree and consent that, in the
event of any such actual or threatened breach or violation, notwithstanding
Section 7.9, any party may obtain injunctive relief in order to prevent the
potential or continuing violation of the terms of this Agreement from any court
of competent jurisdiction located in Orange County, California; provided, however, that any
determination of the fair market value of securities shall be made by binding
arbitration in accordance with the provisions of Section 7.9 above, and such
arbitration may proceed concurrently with any action for injunctive
relief.  The award of permanent or temporary injunctive relief shall
in no way limit any other remedies to which a party may be entitled as a result
of any such breach.

     

    7.11            Further
Assurances; Enforcement.  The parties agree
to execute such further documents and instruments and to take such further
actions as may be reasonably necessary to carry out the purposes and intent of
this Agreement.  Each of the Holders and the Company agree not to vote
any Company Stock, or to take any other actions, that would in any manner
defeat, impair, be inconsistent with or adversely affect the stated intentions
of the parties under Sections 2 and 3 of this Agreement; provided, however,
that the Company shall have no obligation to enforce any right among the Holders
in this Agreement, to arbitrate any dispute or to reject any vote of any party
otherwise in accordance with applicable corporate law, absent a court order to
do so.

     

    

    
      
        
           

        

        
          -9-

          
            

          

        

        
           

        

      

    

    

    7.12            Amendment
and Waivers.  This Agreement
may be amended only by a written agreement executed by (i) the Company;
(ii) the holders of at least sixty-six and two thirds percent (66 2/3%) of
the Preferred Stock (voting together as a single class on an as-converted basis)
and (iii) the holders of at least a majority of the Common Stock; provided, however,
that no amendment or waiver shall be made that treats one Investor in a
materially adverse manner that is different from any other Investor without the
written consent of such adversely affected Investor.  Any amendment
effected in accordance with this section will be binding upon all parties hereto
and each of their respective successors and assigns.  No delay or
failure to require performance of any provision of this Agreement shall
constitute a waiver of that provision as to that or any other
instance.  No waiver granted under this Agreement as to any one
provision herein shall constitute a subsequent waiver of such provision or of
any other provision herein, nor shall it constitute the waiver of any
performance other than the actual performance specifically waived.

     

    7.13            No
Liability for Election of Recommended Directors.  Neither the
Company, any Shareholder, any Investor, nor any officer, director, shareholder,
partner, member, affiliate, employee or agent of any such party, makes any
representation or warranty as to the fitness or competence of the nominee of any
party hereunder to serve on the Board by virtue of such party’s execution of
this Agreement or by the act of such party in voting for such nominee pursuant
to this Agreement.

     

    7.14            No
Impairment.  The Company shall not take, or fail to take, any
action, or avoid or seek to avoid the observance or performance of any of the
terms of this Agreement to be observed or performed hereunder, and will at all
times in good faith assist in the carrying out of all the provisions of this
Agreement and in the taking of all action as may be necessary or appropriate in
order to protect the rights of the Holders hereunder.

     

    [Signature
Pages Follow]

     

    

    
      
        
           

        

        
          -10-

          
            

          

        

        
           

        

      

    

    

    In
Witness Whereof, the parties have executed
this Amended and Restated Voting Agreement as of the date first written
above.

     

    COMPANY:

     

    ENERGY
AND POWER SOLUTIONS, INC.

     

    By:         
/s/ Jay Zoellner            
Name: Jay
Zoellner
Title:
President and CEO

     

     

     

     

     

     

     

    

    
      
        
          
            
              	 
      	
                      [Signature
      Page to Amended and Restated Voting Agreement]

                    	 
      
	 
      	 
      	 
      

            

            

          

           

        

        
           

          
            

          

        

        
           

        

      

    

    

    In
Witness Whereof, the parties have executed
this Amended and Restated Voting Agreement as of the date first written
above.

     

    INVESTORS:

     

     

    ALTIRA
TECHNOLOGY FUND V L.P.

     

    By:         Altira
Management V LLC
Its
General Partner

     

    By:        
Altira Group V LLC
Its Sole
Managing Member

    

     

     

     

    By: /s/ James R. Newell            
Jim
Newell
Managing
Member

     

    
       

       

      

      
        
          
            
              
                	 
      	
                        [Signature
      Page to Amended and Restated Voting Agreement]

                      	 
      
	 
      	 
      	 
      

              

              

            

             

          

          
             

            
              

            

          

          
             

          

        

      

    

    In
Witness Whereof, the parties have executed
this Amended and Restated Voting Agreement as of the date first written
above.

     

    INVESTORS:

     

     

    NGEN
II, L.P.

     

    By:         
NGEN Partners II, LLC
Its
General Partner

     

     

    By: /s/ Steven Parry            
Steven
Parry
Managing
Member

     

     

     

     

     

     

    
 

    

    
      
        
          
            
              	 
      	
                      [Signature
      Page to Amended and Restated Voting Agreement]

                    	 
      
	 
      	 
      	 
      

            

            

          

           

        

        
           

          
            

          

        

        
           

        

      

    

    

    In
Witness Whereof, the parties have executed
this Amended and Restated Voting Agreement as of the date first written
above.

    

    INVESTORS:

    

    THE
ENVIRONMENT AGENCY ACTIVE

    PENSION
FUND

    

    By: The
Environment Agency,
its
Administrative Authority

     

    By:
Robeco Institutional Asset Management B.V.),
its
Authorized Agent

     

    By: /s/ J. G. van der Boon            
Name: J.
G. van der Boon
Title:

     

    
      By: /s/ A. J. C. van den Ouweland       
Name: /s/
A. J. C. van den Ouweland
Title:

       

    

    STICHTING
CUSTODY ROBECO MASTER

    CLEAN
TECH II (EUR)

     

    
      By: /s/ J. G. van der Boon            
Name: J.
G. van der Boon
Title:

       

      
        By: /s/ A. J. C. van den Ouweland       
Name: /s/
A. J. C. van den Ouweland
Title:

         

      

    

    STICHTING
CUSTODY ROBECO MASTER

    CLEAN
TECH (USD)

     

    
      By: /s/ J. G. van der Boon            
Name: J.
G. van der Boon
Title:

       

      
        By: /s/ A. J. C. van den Ouweland       
Name: /s/
A. J. C. van den Ouweland
Title:

      

    

    

    
      
        
          
            
              	 
      	
                      [Signature
      Page to Amended and Restated Voting Agreement]

                    	 
      
	 
      	 
      	 
      

            

            

          

           

        

        
           

          
            

          

        

        
           

        

      

    

    

    In
Witness Whereof, the parties have executed
this Amended and Restated Voting Agreement as of the date first written
above.

     

    COMMON
SHAREHOLDERS:

     

    

     

    /s/ Jay
Zoellner                    

    JAY
ZOELLNER

    

    

    /s/ Shiva
Subramanya                

    SHIVA
SUBRAMANYA

    

    

    /s/ Staffan
Akerstrom                

    STAFFAN
AKERSTROM

    

    

    /s/ George
Botich                  

    GEORGE
BOTICH

    

    

    /s/ Charles
Allured                  

    CHARLES
ALLURED

    

     

    

    
      
        
          
            
              	 
      	
                      [Signature
      Page to Amended and Restated Voting Agreement]

                    	 
      
	 
      	 
      	 
      

            

            

          

           

        

        
           

          
            

          

        

        
           

        

      

    

     

    

    EXHIBIT A

     

    INVESTORS

     

     

    
      
        	
                Investor

              	
                Series
      A

                Preferred Stock

              	
                Series
      B

                Preferred Stock

              
	
                ALTIRA
      TECHNOLOGY FUND V L.P.

                 

                 

              	
                __

              	
                5,813,953

              
	
                NGEN II, L.P.

                1114 State Street, Suite
      247

                Santa Barbara, CA
      93101

                Attn.: Steve
      Parry

                Fax: (805)
      564-1669

              	
                2,574,456

              	
                5,963,921

              
	
                THE
      ENVIRONMENT AGENCY 

                ACTIVE
      PENSION FUND

                c/o
      Private Equity Team

                Robeco
      Alternative Investments

                Coolsingel
      120

                3011
      AG Rotterdam

                The
      Netherlands

                Attn:
      Rhea J. Hamilton

                Fax:
      +31 (0)10 224 2181

              	
                514,891

              	
                1,192,434

              
	
                STICHTING
      CUSTODY ROBECO 

                MASTER
      CLEAN TECH (EUR)

                c/o
      Private Equity Team

                Robeco
      Alternative Investments

                Coolsingel
      120

                3011
      AG Rotterdam

                The
      Netherlands

                Attn:
      Rhea J. Hamilton

                Fax:
      +31 (0)10 224 2181

              	
                1,312,972

              	
                3,041,357

              
	
                STICHTING
      CUSTODY ROBECO 

                MASTER
      CLEAN TECH (USD)

                c/o
      Private Equity Team

                Robeco
      Alternative Investments

                Coolsingel
      120

                3011
      AG Rotterdam

                The
      Netherlands

                Attn:
      Rhea J. Hamilton

                Fax:
      +31 (0)10 224 2181

              	
                746,593

              	
                1,729,399

              
	
                TOTAL:

              	
                5,148,912

              	
                17,741,062

              

      

    

    

     

    

    
      
        
           

        

        
           

          
            

          

        

        
           

        

      

    

    

    EXHIBIT B

     

    SHAREHOLDERS

     

    
      
        	
                Name
      and Address and Fax Number

              	
                Number
      of Shares

                of
      Common Stock

              
	
                Jay
      Zoellner

              	
                1,480,000

              
	
                Shiva
      Subramanya

              	
                1,200,000

              
	
                Staffan
      Akerstrom

              	
                1,120,000

              
	
                Charles
      Allured

              	
                210,000

              
	
                George
      Botich

              	
                200,000

Source: [{"source": "alea-institute/alea-institute/kl3m-data-edgar-agreements/train-00173-of-00352.parquet"}, [{"source": "alea-institute/alea-institute/kl3m-data-edgar-agreements/train-00173-of-00352.parquet"}]]