Document:

EXHIBIT 4.6

NUMBER WA -________-       (SEE REVERSE SIDE FOR LEGEND)                WARRANTS
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                   (THIS WARRANT WILL BE VOID IF NOT EXERCISED
            PRIOR TO 5:00 P.M. NEW YORK CITY TIME, __________, 2010

                              DG ACQUISITION CORP.
                                                                    CUSIP
                           CLASS B WARRANT CERTIFICATE

THIS CERTIFIES THAT, for value received ________________________________________
is the registered holder of a Class B Warrant or Warrants expiring _______, 2010
("Warrant(s)") to purchase one fully paid and non-assessable share of Class B
common stock, par value $.0001 per share (or, following the conversion of the
Class B common stock into Class A common stock, one fully paid and
non-assessable share of Class A common stock, par value $.0001 per share) (a
"Share"), of DG Acquisition Corp., a Delaware corporation (the "Company"), for
each Warrant evidenced by this Warrant Certificate. The Warrant entitles the
holder thereof to purchase from the Company, commencing on the later of (i) the
Company's completion of a acquisition by merger, capital stock exchange, asset
or stock acquisition, reorganization or otherwise, of an operating business and
(ii) ______________, 2006, such number of Shares of the Company at the price
(the "Warrant Price") equal to $6.00 per share, upon surrender of this Warrant
Certificate and payment of the Warrant Price at the office or agency of the
Warrant Agent, Continental Stock Transfer & Trust Company (such payment to be
made by check made payable to the Warrant Agent), but only subject to the
conditions set forth herein and in the Warrant Agreement between the Company and
Continental Stock Transfer & Trust Company. The Warrant Agreement provides that
upon the occurrence of certain events the Warrant Price and the number of
Warrant Shares purchasable hereunder, set forth on the face hereof, may, subject
to certain conditions, be adjusted.

     Fractions of a Share will be issued upon any exercise of the Warrant. If
the holder of the Warrant would be entitled to receive a fraction of a Share
upon any exercise of the Warrant, the Company shall, upon such exercise, round
up to the nearest whole number the number of Shares to be issued to such holder.

     Upon any exercise of the Warrant for less than the total number of full
Shares provided for herein, there shall be issued to the registered holder
hereof or his assignee a new Warrant Certificate covering the number of Shares
for which the Warrant has not been exercised.

     Warrant Certificates, when surrendered at the office or agency of the
Warrant Agent by the registered holder hereof in person or by attorney duly
authorized in writing, may be exchanged in the manner and subject to the
limitations provided in the Warrant Agreement, but without payment of any
service charge, for another Warrant Certificate or Warrant Certificates of like
tenor and evidencing in the aggregate a like number of Warrants.

     Upon due presentment for registration of transfer of the Warrant
Certificate at the office or agency of the Warrant Agent, a new Warrant
Certificate or Warrant Certificates of like tenor and evidencing in the
aggregate a like number of Warrants shall be issued to the transferee in
exchange for this Warrant Certificate, subject to the limitations provided in
the Warrant Agreement, without charge except for any applicable tax or other
governmental charge.

     The Company and the Warrant Agent may deem and treat the registered holder
as the absolute owner of this Warrant Certificate (notwithstanding any notation
of ownership or other writing hereon made by anyone), for the purpose of any
exercise hereof, of any distribution to the registered holder, and for all other
purposes, and neither the Company nor the Warrant Agent shall be affected by any
notice to the contrary.

     This Warrant does not entitle the registered holder to any of the rights of
a stockholder of the Company.

     The Company reserves the right to call the Warrant at any time prior to its
exercise, with a notice of call in writing to the holders of record of the
Warrant, giving 30 days' notice of such call at any time after the Warrant
becomes exercisable if the last sale price of the Class A common stock of the
Company has been at least $11.50 per share for any 20 trading days within a
30-trading day period ending three business days prior to the date on which
notice of such call is given. The call price of the Warrants is to be $.01 per
Warrant. Any Warrant either not exercised or tendered back to the Company by the
end of the date specified in the notice of call shall be canceled on the books
of the Company and have no further value except for the $.01 call price.

By:
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     Chairman of the Board                                 Secretary
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                                SUBSCRIPTION FORM
      To Be Executed by the Registered Holder in Order to Exercise Warrants

The undersigned Registered Holder irrevocably elects to exercise ______________
Warrants represented by this Warrant Certificate, and to purchase the shares of
Common Stock issuable upon the exercise of such Warrants, and requests that
Certificates for such shares shall be issued in the name of

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                     (PLEASE TYPE OR PRINT NAME AND ADDRESS)

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                 (SOCIAL SECURITY OR TAX IDENTIFICATION NUMBER)

and be delivered to ____________________________________________________________
                             (PLEASE PRINT OR TYPE NAME AND ADDRESS)

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and, if such number of Warrants shall not be all the Warrants evidenced by this
Warrant Certificate, that a new Warrant Certificate for the balance of such
Warrants be registered in the name of, and delivered to, the Registered Holder
at the address stated below:

Dated:
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                                              (SIGNATURE)

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                                              (ADDRESS)
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                                              (TAX IDENTIFICATION NUMBER)

                                   ASSIGNMENT
       To Be Executed by the Registered Holder in Order to Assign Warrants

For Value Received, _____________________ hereby sell, assign, and transfer unto

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                     (PLEASE TYPE OR PRINT NAME AND ADDRESS)

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                 (SOCIAL SECURITY OR TAX IDENTIFICATION NUMBER)
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and be delivered to ____________________________________________________________
                             (PLEASE PRINT OR TYPE NAME AND ADDRESS)

______________________ of the Warrants represented by this Warrant Certificate,

and hereby irrevocably constitute and appoint _________________________________

Attorney to transfer this Warrant Certificate on the books of the Company, with
full power of substitution in the premises.

Dated:
      ------------------                      ----------------------------------
                                                         (SIGNATURE)

THE SIGNATURE TO THE ASSIGNMENT OF THE SUBSCRIPTION FORM MUST CORRESPOND TO THE
NAME WRITTEN UPON THE FACE OF THIS WARRANT CERTIFICATE IN EVERY PARTICULAR,
WITHOUT ALTERATION OR ENLARGEMENT OR ANY CHANGE WHATSOEVER, AND MUST BE
GUARANTEED BY A COMMERCIAL BANK OR TRUST COMPANY OR A MEMBER FIRM OF THE
AMERICAN STOCK EXCHANGE, NEW YORK STOCK EXCHANGE, PACIFIC STOCK EXCHANGE OR
CHICAGO STOCK EXCHANGE.Exhibit 4.8

                            CLASS A WARRANT AGREEMENT

         Class A Warrant Agreement ("Agreement") made as of _____________, 2005
         between DG Acquisition Corp., a Delaware corporation, with offices at
         420 Lexington Avenue, Suite 2650, New York, New York 10174 ("Company"),
         and Continental Stock Transfer & Trust Company, a New York corporation,
         with offices at 17 Battery Place, New York, New York 10004 ("Warrant
         Agent").

         WHEREAS, the Company is engaged in a public offering ("Public
Offering") of, among other securities, Class A Units and Class B Units ("Units")
and, in connection therewith, has determined to issue and deliver up to (i)
10,206,250 Class A Warrants ("Class A Warrants") to the public investors, and
(ii) 450,000 Class A Warrants to Merriman Curhan Ford & Co. ("MCF") or its
designees (the "Representative's Warrants" and, together with the Class A
Warrants, the "Warrants"), each of such Class A Warrants evidencing the right of
the holder thereof to purchase one share of Class A common stock. par value
$.0001 per share (the "Class A Common Stock") for $6.00, subject to adjustment
as described herein (for purposes of this Agreement, the term "Common Stock"
shall mean the Class A Common Stock and the Company's Class B common stock, par
value $.0001 per share)); and

         WHEREAS, the Company has filed with the Securities and Exchange
Commission (the "SEC") a Registration Statement on Form S-1, No. 333-126287
("Registration Statement"), for the registration, under the Securities Act of
1933, as amended ("Act") of, among other securities, the Warrants and the Class
A Common Stock issuable upon exercise of the Warrants; and

         WHEREAS, the Company desires the Warrant Agent to act on behalf of the
Company, and the Warrant Agent is willing to so act, in connection with the
issuance, registration, transfer, exchange, redemption and exercise of the
Warrants; and

         WHEREAS, the Company desires to provide for the form and provisions of
the Warrants, the terms upon which they shall be issued and exercised, and the
respective rights, limitation of rights, and immunities of the Company, the
Warrant Agent and the holders of the Warrants; and

         WHEREAS, all acts and things have been done and performed which are
necessary to make the Warrants, when executed on behalf of the Company and
countersigned by or on behalf of the Warrant Agent, as provided herein, the
valid, binding and legal obligations of the Company, and to authorize the
execution and delivery of this Agreement.

         NOW, THEREFORE, in consideration of the mutual agreements herein
contained, the parties hereto agree as follows:

1. Appointment of Warrant Agent. The Company hereby appoints the Warrant Agent
to act as agent for the Company for the Warrants, and the Warrant Agent hereby
accepts such appointment and agrees to perform the same in accordance with the
terms and conditions set forth in this Agreement.

2. Warrants.

   2.1 Form of Warrant. Each Warrant shall be issued in registered form only,
shall be in substantially the form of Exhibit A hereto, the provisions of which
are incorporated herein and shall be signed by, or bear the facsimile signature
of, the Chairman of the Board or President and Treasurer, Secretary or Assistant
Secretary of the Company and shall bear a facsimile of the Company's seal. In
the event the person whose facsimile signature has been placed upon any Warrant
shall have ceased to serve in the capacity in which such person signed the
Warrant before such Warrant is issued, it may be issued with the same effect as
if he or she had not ceased to be such at the date of issuance.

   2.2 Effect of Countersignature. Unless and until countersigned by the Warrant
Agent pursuant to this Agreement, a Warrant shall be invalid and of no effect
and may not be exercised by the holder thereof.

   2.3 Registration.

       2.3.1 Warrant Register. The Warrant Agent shall maintain books ("Warrant
Register"), for the registration of original issuance and the registration of
transfer of the Warrants. Upon the initial issuance of the Warrants, the Warrant
Agent shall issue and register the Warrants in the names of the respective
holders thereof in such denominations and otherwise in accordance with
instructions delivered to the Warrant Agent by the Company.

       2.3.2 Registered Holder. Prior to due presentment for registration of
transfer of any Warrant, the Company and the Warrant Agent may deem and treat
the person in whose name such Warrant shall be registered upon the Warrant
Register ("registered holder"), as the absolute owner of such Warrant and of
each Warrant represented thereby (notwithstanding any notation of ownership or
other writing on the Warrant Certificate made by anyone other than the Company
or the Warrant Agent), for the purpose of any exercise thereof, and for all
other purposes, and neither the Company nor the Warrant Agent shall be affected
by any notice to the contrary.

   2.4 Detachability of Warrants. The securities comprising the Units will not
be separately transferable until 90 days after the date hereof unless MCF
informs the Company of its decision to allow earlier separate trading, but in no
event will MCF allow separate trading of the securities comprising the Units
until the Company files a Current Report on Form 8-K which includes an audited
balance sheet reflecting the receipt by the Company of the gross proceeds of the
Public Offering including the proceeds received by the Company from the exercise
of the Underwriter's over-allotment option, if the over-allotment option is
exercised prior to the filing of the Form 8-K.

   2.5 Warrants and Representative's Warrants. The Representative's Warrants
shall have the same terms and be in the same form as the Class A Warrants except
with respect to the Warrant Price as set forth below in Section 3.1.

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3. Terms and Exercise of Warrants.

   3.1 Warrant Price. Each Class A Warrant shall, when countersigned by the
Warrant Agent, entitle the registered holder thereof, subject to the provisions
of such Class A Warrant and of this Agreement, to purchase from the Company the
number of shares of Class A Common Stock stated therein, at the price of $6.00
per whole share, subject to the adjustments provided in Section 4 hereof and in
the last sentence of this Section 3.1. Each Representative's Warrant shall, when
countersigned by the Warrant Agent, entitle the registered holder thereof,
subject to the provisions of such Representative's Warrant and of this
Agreement, to purchase from the Company the number of shares of Class A Common
Stock stated therein, at the price of $7.50 per whole share, subject to the
adjustments provided in Section 4 hereof. The term "Warrant Price" as used in
this Agreement refers to the price per share at which Class A Common Stock may
be purchased at the time a Warrant is exercised. The Company in its sole
discretion may lower the Warrant Price at any time prior to the Expiration Date.

   3.2 Duration of Warrants. A Warrant may be exercised only during the period
("Exercise Period") commencing on the later of (i) the consummation by the
Company of a merger, capital stock exchange, asset acquisition or other similar
business combination ("Business Combination") (as described more fully in the
Company's Registration Statement) and (ii) __________, 2006, and terminating at
5:00 p.m., New York City time on the earlier to occur of (i) ___________, 2010
or (ii) the date fixed for redemption of the Warrants as provided in Section 6
of this Agreement ("Expiration Date"). Except with respect to the right to
receive the Redemption Price (as set forth in Section 6 hereunder), each Warrant
not exercised on or before the Expiration Date shall become void, and all rights
thereunder and all rights in respect thereof under this Agreement shall cease at
the close of business on the Expiration Date. The Company in its sole discretion
may extend the duration of the Warrants by delaying the Expiration Date.

   3.3 Exercise of Warrants.

       3.3.1 Payment. Subject to the provisions of the Warrant and this
Agreement, a Warrant, when countersigned by the Warrant Agent, may be exercised
by the registered holder thereof by surrendering it, at the office of the
Warrant Agent, or at the office of its successor as Warrant Agent, in the
Borough of Manhattan, City and State of New York, with the subscription form, as
set forth in the Warrant, duly executed, and by paying in full, in lawful money
of the United States, in cash, good certified check or good bank draft payable
to the order of the Company (or as otherwise agreed to by the Company), the
Warrant Price for each full share of Class A Common Stock as to which the
Warrant is exercised and any and all applicable taxes due in connection with the
exercise of the Warrant, the exchange of the Warrant for such Class A Common
Stock and the issuance of such Class A Common Stock.

       3.3.2 Issuance of Certificates. As soon as practicable after the exercise
of any Warrant and the clearance of the funds in payment of the Warrant Price,
the Company shall issue to the registered holder of such Warrant a certificate
or certificates for the number of full shares of Class A Common Stock to which
such registered holder is entitled, registered in such name or names as may be
directed by such registered holder, and if such Warrant shall not have been
exercised in full, a new countersigned Warrant for the number of shares as to
which such

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Warrant shall not have been exercised. Notwithstanding the foregoing, the
Company shall not be obligated to deliver any securities pursuant to the
exercise of a Warrant unless a registration statement under the Act with respect
to the Class A Common Stock is effective. Warrants may not be exercised by, or
securities issued to, any registered holder in any state in which such exercise
would be unlawful.

       3.3.3 Valid Issuance. All shares of Class A Common Stock issued upon the
proper exercise of a Warrant in conformity with this Agreement shall be validly
issued, fully paid and nonassessable.

       3.3.4 Date of Issuance. Each person in whose name any such certificate
for shares of Class A Common Stock is issued shall for all purposes be deemed to
have become the holder of record of such shares on the date on which the Warrant
was surrendered and payment of the Warrant Price was made, irrespective of the
date of delivery of such certificate, except that, if the date of such surrender
and payment is a date when the stock transfer books of the Company are closed,
such person shall be deemed to have become the holder of such shares at the
close of business on the next succeeding date on which the stock transfer books
are open.

4. Adjustments.

   4.1 Stock Dividends - Stock Splits. If after the date hereof, and subject to
the provisions of Section 4.6 below, the number of outstanding shares of Common
Stock is increased by a stock dividend payable in shares of Common Stock, or by
a stock split of the Common Stock, or other similar event, then, on the
effective date of such stock dividend, split-up or similar event, the number of
shares of Class A Common Stock issuable on exercise of each Warrant shall be
increased in proportion to such increase in outstanding shares of Common Stock.

   4.2 Aggregation of Shares. If after the date hereof, and subject to the
provisions of Section 4.6, the number of outstanding shares of Common Stock is
decreased by a consolidation, combination, reverse stock split or
reclassification of shares of Common Stock or other similar event, then, on the
effective date of such consolidation, combination, reverse stock split,
reclassification or similar event, the number of shares of Class A Common Stock
issuable on exercise of each Warrant shall be decreased in proportion to such
decrease in outstanding shares of Common Stock.

   4.3 Adjustments in Exercise Price. Whenever the number of shares of Class A
Common Stock purchasable upon the exercise of the Warrants is adjusted, as set
forth in Section 4.1 and 4.2 above, the Warrant Price shall be adjusted (to the
nearest cent) by multiplying such Warrant Price immediately prior to such
adjustment by a fraction (x) the numerator of which shall be the number of
shares of Class A Common Stock purchasable upon the exercise of the Warrants
immediately prior to such adjustment, and (y) the denominator of which shall be
the number of shares of Class A Common Stock so purchasable immediately
thereafter.

   4.4 Replacement of Securities upon Reorganization, etc. In case of any
reclassification or reorganization of the outstanding shares of Common Stock
(other than a change covered by Section 4.1 or 4.2 hereof or that solely affects
the par value of such shares of

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Common Stock), or in the case of any merger or consolidation of the Company with
or into another corporation (other than a consolidation or merger in which the
Company is the continuing corporation and that does not result in any
reclassification or reorganization of the outstanding shares of Common Stock),
or in the case of any sale or conveyance to another corporation or entity of all
or substantially all of the assets or other property of the Company, the
registered holders shall thereafter have the right to purchase and receive, upon
the basis and upon the terms and conditions specified in the Warrants and in
lieu of the shares of Class A Common Stock immediately theretofore purchasable
and receivable upon the exercise of the rights represented thereby, the kind and
amount of shares of stock or other securities or property (including cash)
receivable upon such reclassification, reorganization, merger or consolidation,
or upon a dissolution following any such sale or transfer, that the registered
holder would have received if such registered holder had exercised such
registered holder's Warrant(s) immediately prior to such event; and if any
reclassification also results in a change in shares of Common Stock covered by
Section 4.1 or 4.2, then such adjustment shall be made pursuant to Sections 4.1,
4.2, 4.3 and this Section 4.4. The provisions of this Section 4.4 shall
similarly apply to successive reclassifications, reorganizations, mergers or
consolidations, sales or other transfers.

   4.5 Notices of Changes in Warrant. Upon every adjustment of the Warrant Price
or the number of shares issuable upon exercise of a Warrant, the Company shall
give written notice thereof to the Warrant Agent, which notice shall state the
Warrant Price resulting from such adjustment and the increase or decrease, if
any, in the number of shares purchasable at such price upon the exercise of a
Warrant, setting forth in reasonable detail the method of calculation and the
facts upon which such calculation is based. Upon the occurrence of any event
specified in Sections 4.1, 4.2, 4.3 or 4.4, then, in any such event, the Company
shall give written notice to each registered holder, at the last address set
forth for such registered holder in the Warrant Register, of the record date or
the effective date of the event. Failure to give such notice, or any defect
therein, shall not affect the legality or validity of such event.

   4.6 No Fractional Shares. Notwithstanding any provision contained in this
Agreement to the contrary, the Company shall not issue fractional shares upon
exercise of Warrants. If, by reason of any adjustment made pursuant to this
Section 4, the registered holder of any Warrant would be entitled, upon the
exercise of such Warrant, to receive a fractional interest in a share of Class A
Common Stock, the Company shall, upon such exercise, round up to the nearest
whole number the number of the shares of Class A Common Stock to be issued to
the registered holder.

   4.7 Form of Warrant. The form of Warrant need not be changed because of any
adjustment pursuant to this Section 4, and Warrants issued after such adjustment
may state the same Warrant Price and the same number of shares as is stated in
the Warrants initially issued pursuant to this Agreement. However, the Company
may at any time in its sole discretion make any change in the form of Warrant
that the Company may deem appropriate and that does not affect the substance
thereof, and any Warrant thereafter issued or countersigned, whether in exchange
or substitution for an outstanding Warrant or otherwise, may be in the form as
so changed.

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5. Transfer and Exchange of Warrants.

   5.1 Registration of Transfer. The Warrant Agent shall register the transfer,
from time to time, of any outstanding Warrant upon the Warrant Register, upon
surrender of such Warrant for transfer, properly endorsed with signatures
properly guaranteed and accompanied by appropriate instructions for transfer.
Upon any such transfer, a new Warrant representing an equal aggregate number of
Warrants shall be issued and the old Warrant shall be cancelled by the Warrant
Agent. The Warrants so cancelled shall be delivered by the Warrant Agent to the
Company from time to time upon request.

   5.2 Procedure for Surrender of Warrants. Warrants may be surrendered to the
Warrant Agent, together with a written request for exchange or transfer, and
thereupon the Warrant Agent shall issue in exchange therefor one or more new
Warrants as requested by the registered holder of the Warrants so surrendered,
representing an equal aggregate number of Warrants; provided, however, that in
the event that a Warrant surrendered for transfer bears a restrictive legend,
the Warrant Agent shall not cancel such Warrant and issue new Warrants in
exchange therefor until the Warrant Agent has received an opinion of counsel
stating that such transfer may be made and indicating whether the new Warrants
must also bear a restrictive legend.

   5.3 Fractional Warrants. The Warrant Agent shall not be required to effect
any registration of transfer or exchange which will result in the issuance of a
warrant certificate for a fraction of a warrant.

   5.4 Service Charges. No service charge shall be made for any exchange or
registration of transfer of Warrants.

   5.5 Warrant Execution and Countersignature. The Warrant Agent is hereby
authorized to countersign and to deliver, in accordance with the terms of this
Agreement, the Warrants required to be issued pursuant to the provisions of this
Section 5, and the Company, whenever required by the Warrant Agent, will supply
the Warrant Agent with Warrants duly executed on behalf of the Company for such
purpose.

6. Redemption.

   6.1 Redemption. Subject to Section 6.4 hereof, not less than all of the
outstanding Warrants may be redeemed, at the option of the Company, at any time
after the Warrants become exercisable and prior to their expiration, at the
office of the Warrant Agent, upon the written notice referred to in Section 6.2,
at a price equal to $.01 per Warrant ("Redemption Price"); provided, that the
reported per share closing sale price, regular way, of the Class A Common Stock
quoted on the OTC Bulletin Board, the Nasdaq National Market, the Nasdaq
SmallCap Market or the on any national securities exchange, as applicable,
equals or exceeds $11.50 per share, for any 20 trading days within any 30
trading day period ending on the third business day prior to the date on which
notice of redemption is delivered. The provisions of this Section 6.1 may not be
modified, amended or deleted without the prior written consent of MCF.

   6.2 Date Fixed for, and Notice of, Redemption. In the event the Company shall
elect to redeem all of the Warrants, the Company shall fix a date for the
redemption. Notice of

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redemption shall be mailed by first class mail, postage prepaid, by the Company
not less than 30 days prior to the date fixed for redemption to the registered
holders of the Warrants to be redeemed at their last addresses as they shall
appear on the registration books. Any notice mailed in the manner herein
provided shall be conclusively presumed to have been duly given whether or not
the registered holder received such notice.

   6.3 Exercise after Notice of Redemption. The Warrants may be exercised, for
cash, at any time after notice of redemption shall have been given by the
Company pursuant to Section 6.2 hereof and prior to the time and date fixed for
redemption. On and after the redemption date, the record holder of the Warrants
shall have no further rights except to receive, upon surrender of the Warrants,
the Redemption Price.

   6.4 Outstanding Warrants Only. The Company understands that the redemption
rights provided for by this Section 6 apply only to outstanding Warrants. To the
extent a person holds rights to purchase Warrants, such purchase rights shall
not be extinguished by redemption. However, once such purchase rights are
exercised, the Company may redeem the Warrants issued upon such exercise
provided that the criteria for redemption is met. The provisions of this Section
6.4 may not be modified, amended or deleted without the prior written consent of
the holder hereof and MCF.

7. Other Provisions Relating to Rights of Holders of Warrants.

   7.1 No Rights as Stockholder. Prior to the exercise thereof, a Warrant does
not entitle the registered holder thereof to any of the rights of a stockholder
of the Company, including, without limitation, the right to receive dividends,
or other distributions, exercise any preemptive rights to vote or to consent or
to receive notice as stockholders in respect of the meetings of stockholders or
the election of directors of the Company or any other matter.

   7.2 Lost, Stolen, Mutilated or Destroyed Warrants. If any Warrant is lost,
stolen, mutilated or destroyed, the Company and the Warrant Agent may on such
terms as to indemnity or otherwise as they may in their discretion impose (which
shall, in the case of a mutilated Warrant, include the surrender thereof), issue
a new Warrant of like denomination, tenor and date as the Warrant so lost,
stolen, mutilated, or destroyed. Any such new Warrant shall constitute a
substitute contractual obligation of the Company, whether or not the allegedly
lost, stolen, mutilated or destroyed Warrant shall be at any time enforceable by
anyone.

   7.3 Reservation of Class A Common Stock. The Company shall at all times
reserve and keep available a number of its authorized but unissued shares of
Class A Common Stock that will be sufficient to permit the exercise in full of
all outstanding Warrants issued pursuant to this Agreement.

   7.4 Registration of Class A Common Stock. The Company agrees that prior to
the commencement of the Exercise Period, it shall file with the SEC a
post-effective amendment to the Registration Statement, or a new registration
statement, for the registration, under the Act, of, and it shall take such
action as is necessary to qualify for sale, in those states in which the
Warrants were initially offered by the Company, the Class A Common Stock
issuable upon exercise of the Warrants. In either case, the Company will use its
best efforts to cause the same

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to become effective and to maintain the effectiveness of such registration
statement until the expiration of the Warrants in accordance with the provisions
of this Agreement. The provisions of this Section 7.4 may not be modified,
amended or deleted without the prior written consent of the holder hereof and
MCF.

8. Concerning the Warrant Agent and Other Matters.

   8.1 Payment of Taxes. The Company will from time to time promptly pay all
taxes and charges that may be imposed upon the Company or the Warrant Agent in
respect of the issuance or delivery of shares of Class A Common Stock upon the
exercise of Warrants, but the Company shall not be obligated to pay any transfer
taxes in respect of the Warrants or such shares.

   8.2 Resignation, Consolidation, or Merger of Warrant Agent.

       8.2.1 Appointment of Successor Warrant Agent. The Warrant Agent, or any
successor to it hereafter appointed, may resign its duties and be discharged
from all further duties and liabilities hereunder after giving 60 days' notice
in writing to the Company. If the office of the Warrant Agent becomes vacant by
resignation or incapacity to act or otherwise, the Company shall appoint in
writing a successor Warrant Agent in place of the Warrant Agent. If the Company
shall fail to make such appointment within a period of 30 days after it has been
notified in writing of such resignation or incapacity by the Warrant Agent or by
the holder of the Warrant (who shall, with such notice, submit his Warrant for
inspection by the Company), then the holder of any Warrant may apply to the
Supreme Court of the State of New York for the County of New York for the
appointment of a successor Warrant Agent at the Company's sole cost. Any
successor Warrant Agent, whether appointed by the Company or by such court,
shall be a corporation organized and existing under the laws of the State of New
York, in good standing and having its principal office in the Borough of
Manhattan, City and State of New York, and authorized under such laws to
exercise corporate trust powers and subject to supervision or examination by
federal or state authority. After appointment, any successor Warrant Agent shall
be vested with all the authority, powers, rights, immunities, duties and
obligations of its predecessor Warrant Agent with like effect as if originally
named as Warrant Agent hereunder, without any further act or deed; but if for
any reason it becomes necessary or appropriate, the predecessor Warrant Agent
shall execute and deliver, at the expense of the Company, an instrument
transferring to such successor Warrant Agent all the authority, powers, and
rights of such predecessor Warrant Agent hereunder; and upon request of any
successor Warrant Agent the Company shall make, execute, acknowledge and deliver
any and all instruments in writing for more fully and effectually vesting in and
confirming to such successor Warrant Agent all such authority, powers, rights,
immunities, duties and obligations.

       8.2.2 Notice of Successor Warrant Agent. In the event a successor Warrant
Agent shall be appointed, the Company shall give notice thereof to the
predecessor Warrant Agent and the transfer agent for the Class A Common Stock
not later than the effective date of any such appointment.

       8.2.3 Merger or Consolidation of Warrant Agent. Any corporation into
which the Warrant Agent may be merged or with which it may be consolidated or
any corporation

                                       8

resulting from any merger or consolidation to which the Warrant Agent shall be a
party shall be the successor Warrant Agent under this Agreement without any
further act.

   8.3 Fees and Expenses of Warrant Agent.

       8.3.1 Remuneration. The Company agrees to pay the Warrant Agent
reasonable remuneration for its services as such Warrant Agent hereunder and
will reimburse the Warrant Agent upon demand for all expenditures that the
Warrant Agent may reasonably incur in the execution of its duties hereunder.

       8.3.2 Further Assurances. The Company agrees to perform, execute,
acknowledge and deliver or cause to be performed, executed, acknowledged and
delivered all such further and other acts, instruments and assurances as may
reasonably be required by the Warrant Agent for the carrying out or performing
of the provisions of this Agreement.

   8.4 Liability of Warrant Agent.

       8.4.1 Reliance on Company Statement. Whenever in the performance of its
duties under this Agreement, the Warrant Agent shall deem it necessary or
desirable that any fact or matter be proved or established by the Company prior
to taking or suffering any action hereunder, such fact or matter (unless other
evidence in respect thereof be herein specifically prescribed) may be deemed to
be conclusively proved and established by a statement signed by the President or
Chairman of the Board of the Company and delivered to the Warrant Agent. The
Warrant Agent may rely upon such statement for any action taken or suffered in
good faith by it pursuant to the provisions of this Agreement.

       8.4.2 Indemnity. The Warrant Agent shall be liable hereunder only for its
own negligence, willful misconduct or bad faith. The Company agrees to indemnify
the Warrant Agent and hold it harmless from and against any and all liabilities,
including judgments, costs and reasonable counsel fees, for anything done or
omitted by the Warrant Agent in the execution of this Agreement except as a
result of the Warrant Agent's negligence, willful misconduct or bad faith.

       8.4.3 Exclusions. The Warrant Agent shall have no responsibility with
respect to the validity of this Agreement or with respect to the validity or
execution of any Warrant (except its countersignature thereof); nor shall it be
responsible for any breach by the Company of any covenant or condition contained
in this Agreement or in any Warrant; nor shall it be responsible to make any
adjustments required under the provisions of Section 4 hereof or responsible for
the manner, method or amount of any such adjustment or the ascertaining of the
existence of facts that would require any such adjustment; nor shall it by any
act hereunder be deemed to make any representation or warranty as to the
authorization or reservation of any shares of Class A Common Stock to be issued
pursuant to this Agreement or any Warrant or as to whether any shares of Class A
Common Stock will when issued be valid and fully paid and nonassessable.

   8.5 Acceptance of Agency. The Warrant Agent hereby accepts the agency
established by this Agreement and agrees to perform the same upon the terms and
conditions herein set forth and among other things, shall account promptly to
the Company with respect to

                                       9

Warrants exercised and concurrently account for, and pay to the Company, all
moneys received by the Warrant Agent for the purchase of shares of Class A
Common Stock through the exercise of Warrants.

9. Miscellaneous Provisions.

   9.1 Successors. All the covenants and provisions of this Agreement by or for
the benefit of the Company or the Warrant Agent shall bind and inure to the
benefit of their respective successors and assigns.

   9.2 Notices. Any notice, statement or demand authorized by this Agreement to
be given or made by the Warrant Agent or by the holder of any Warrant to or on
the Company shall be sufficiently given when so delivered if by hand or
overnight delivery or if sent by certified mail or private courier service
within five days after deposit of such notice, postage prepaid, addressed (until
another address is filed in writing by the Company with the Warrant Agent), as
follows:

                  DG Acquisition Corp.
                  420 Lexington Avenue, Suite 2650
                  New York, NY 10170
                  Attn: Vice Chairman

                  with a copy in each case to:

                  Willkie Farr & Gallagher LLP
                  787 Seventh Avenue
                  New York, NY 10019
                  Attn: William Dye, Esq.

         Any notice, statement or demand authorized by this Agreement to be
given or made by the registered holder of any Warrant or by the Company to or on
the Warrant Agent shall be sufficiently given when so delivered if by hand or
overnight delivery or if sent by certified mail or private courier service
within five days after deposit of such notice, postage prepaid, addressed (until
another address is filed in writing by the Warrant Agent with the Company), as
follows:

                  Continental Stock Transfer & Trust Company
                  17 Battery Place
                  New York, New York 10004
                  Attn: Compliance Department

                  with a copy in each case to:

                  Merriman Curhan Ford & Co.
                  600 California Street, 9th Floor
                  San Francisco, California  94108
                  Attn: _______________________

                                       10

                  and

                  Morrison & Foerster LLP
                  1290 Avenue of the Americas
                  New York, NY 10104
                  Attn: James R. Tanenbaum, Esq.

                  and

                  Willkie Farr & Gallagher LLP
                  787 Seventh Avenue
                  New York, NY 10019
                  Attn: William Dye, Esq.

   9.3 Applicable law. The validity, interpretation and performance of this
Agreement and of the Warrants shall be governed in all respects by the laws of
the State of New York, without giving effect to conflicts of law principles that
would result in the application of the substantive laws of another jurisdiction.
The Company hereby agrees that any action, proceeding or claim against it
arising out of or relating in any way to this Agreement shall be brought and
enforced in the courts of the State of New York or the United States District
Court for the Southern District of New York, and irrevocably submits to such
jurisdiction, which jurisdiction shall be exclusive. The Company hereby waives
any objection to such exclusive jurisdiction and that such courts represent an
inconvenience forum. Any such process or summons to be served upon the Company
may be served by transmitting a copy thereof by registered or certified mail,
return receipt requested, postage prepaid, addressed to it at the address set
forth in Section 9.2 hereof. Such mailing shall be deemed personal service and
shall be legal and binding upon the Company in any action, proceeding or claim.

   9.4 Persons Having Rights under this Agreement. Nothing in this Agreement
expressed and nothing that may be implied from any of the provisions hereof is
intended, or shall be construed, to confer upon, or give to, any person or
corporation other than the parties hereto and the registered holders of the
Warrants and, for the purposes of Sections 6.1, 6.4, 7.4 and 9.2 hereof, MCF,
any right, remedy, or claim under or by reason of this Agreement or of any
covenant, condition, stipulation, promise, or agreement hereof. MCF shall be
deemed to be a third-party beneficiary of this Agreement with respect to
Sections 6.1, 6.4, 7.4 and 9.2 hereof. All covenants, conditions, stipulations,
promises, and agreements contained in this Agreement shall be for the sole and
exclusive benefit of the parties hereto (and MCF with respect to the Sections
6.1, 6.4, 7.4 and 9.2 hereof) and their successors and assigns and of the
registered holders of the Warrants.

   9.5 Examination of the Warrant Agreement. A copy of this Agreement shall be
available at all reasonable times at the office of the Warrant Agent in the
Borough of Manhattan, City and State of New York, for inspection by the
registered holder of any Warrant. The Warrant Agent may require any such
registered holder to submit its Warrant for inspection by it.

                                       11

   9.6 Counterparts. This Agreement may be executed in any number of
counterparts and each of such counterparts shall for all purposes be deemed to
be an original, and all such counterparts shall together constitute but one and
the same instrument.

   9.7 Effect of Headings. The Section headings herein are for convenience only
and are not part of this Agreement and shall not affect the interpretation
thereof.

   9.8 No Third Party Beneficiaries. Except for MCF, nothing in this Agreement
shall create, or be deemed to create, any rights in any person or entity not a
party to this Agreement, other than subsequent holders of the Warrants.

   9.9 Amendments and Waivers. Except as otherwise wet forth herein, this
Agreement may not be modified or amended except by an instrument or instruments
in writing signed by the party against whom enforcement of any such modification
or amendment is sought. Except as otherwise wet forth herein, any party hereto
may, only by an instrument in writing waive compliance by the other parties
hereto with any term or provision of this Agreement on the part of such other
parties hereto to be performed or complied with. The waiver by any party hereto
of a breach of any term or provision of this Agreement shall not be construed as
a waiver of any subsequent breach.

         IN WITNESS WHEREOF, this Agreement has been duly executed by the
parties hereto as of the day and year first above written.

                                         DG ACQUISITION CORP.

                                         By:
                                            -----------------------------------
                                             Name:  Mark R. Graham
                                             Title: Director and Co-Chief
                                                      Executive Officer

                                         CONTINENTAL STOCK TRANSFER &
                                         TRUST COMPANY

                                         By:
                                            -----------------------------------
                                             Name:  Steven Nelson
                                             Title: Chairman

                                       12

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