Document:

HOLDER AGREEMENT

      THIS HOLDER AGREEMENT is entered into as of January 31 2005, by and among
GRAPHON CORPORATION, a Delaware corporation ("GraphOn"), and the Persons listed
on Exhibit A hereto, referred to hereinafter as the "Holders" and each
individually as a "Holder."

                                    RECITALS

      A.   Pursuant to an Agreement and Plan of Merger and Reorganization dated
as of December 3, 2004, among GraphOn, GraphOn Via Sub III Inc., a Delaware
corporation and a wholly owned subsidiary of GraphOn ("Merger Sub"), GraphOn NES
Sub, LLC, a California limited liability company and a wholly owned subsidiary
of GraphOn ("Merger Sub II"), Network Engineering Software, Inc., a California
corporation ("NES"), and Ralph Wesinger (the "Reorganization Agreement"), it is
contemplated that (i) Merger Sub will merge with and into NES (the merger of
Merger Sub with and into NES being referred to in this Holder Agreement as the
"Merger") with NES being the surviving corporation in the Merger, (ii) following
the Merger, NES will merge with and into Merger Sub II and (iii) NES's
stockholders will receive shares of common stock, $0.0001 par value per share,
of GraphOn ("GraphOn Common Stock") in exchange for their shares of common stock
of NES ("NES Common Stock").

      B.   GraphOn's obligations in the Reorganization Agreement are conditioned
upon the execution and delivery of this Holder Agreement by each Holder.

      C.   Capitalized terms used but not defined herein are defined in the
Reorganization Agreement.

                                    AGREEMENT

      GraphOn and the Holders, intending to be legally bound, agree as follows:

SECTION 1. REGISTRATION RIGHTS.

      1.1  Definitions.  For the purpose of this Section 1:

           (a) the term "Registration Statement" shall mean any registration
statement required to be filed by Section 1.2 and shall include any preliminary
prospectus, final prospectus, exhibit or amendment included in or relating to
such registration statements; and

           (b) the term "Registrable Shares" shall mean all shares of GraphOn
Common Stock issued to the Holders in connection with the Merger.

      1.2  Registration Procedures and Expenses.  GraphOn shall:

           (a) use its best efforts to file a Registration Statement with the
SEC within ninety (90) days following the Closing Date to register the

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Registrable Shares on Form S-1 and Rule 415 under the Securities Act or on such
other appropriate form that GraphOn may be permitted to use to register such
Registrable Shares for resale from time to time by the Holders;

           (b) use commercially reasonable efforts, subject to receipt of
necessary information from the Holders, to cause any such Registration Statement
filed pursuant to Section 1.2(a) above to become effective as promptly after
filing of such Registration Statement as practicable;

           (c) prepare and file with the SEC such amendments and supplements to
such Registration Statement and the prospectus used in connection therewith as
may be necessary to keep such Registration Statement continuously effective
until termination of such obligation as provided in Section 1.4, subject to
GraphOn's right to suspend pursuant to Section 1.3;

           (d) furnish to each Holder who received Registrable Shares (and to
each underwriter, if any, of such Registrable Shares) such number of copies of
prospectuses in conformity with the requirements of the Securities Act and such
other documents as the Holders may reasonably request, in order to facilitate
the public sale or other disposition of all or any of the Registrable Shares by
the Holders;

           (e) file such documents as may be required of GraphOn for normal
securities law clearance for the resale of the Registrable Shares in such states
of the United States as may be reasonably requested by each Holder; provided,
however, that GraphOn shall not be required in connection with this paragraph
"(e)" to qualify as a foreign corporation or execute a general consent to
service of process in any jurisdiction; and

           (f) advise each Holder who received Registrable Shares promptly:

               (i) of the effectiveness of the Registration Statement or any
post-effective amendments thereto;

               (ii) of any request by the SEC for amendments to the Registration
Statement or amendments to the prospectus or for additional information relating
thereto;

               (iii) of the issuance by the SEC of any stop order suspending the
effectiveness of the Registration Statement under the Securities Act or of the
suspension by any state securities commission of the qualification of the
Registrable Shares for offering or sale in any jurisdiction, or the initiation
of any proceeding for any of the preceding purposes;

               (iv) of the suspension by GraphOn of the use of the prospectus
forming a part of the Registration Statement; and

               (v) of the existence of any fact and the happening of any event
that makes any statement of a material fact made in the Registration Statement,
the prospectus and amendment or supplement thereto, or any document incorporated
by reference therein, untrue, or that requires the making of any additions to or
changes in the Registration Statement or the prospectus in order to make the
statements therein not misleading; and

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           (g) use commercially reasonable efforts to cause all Registrable
Shares to be listed on each securities exchange, if any, on which equity
securities of GraphOn are then listed.

      1.3  Delay and Suspension of Prospectus. At GraphOn's reasonable
discretion, GraphOn may delay the effectiveness of, and may suspend the use of,
the prospectus forming a part of the Registration Statement, including to the
extent necessary to file any post-effective amendment to the Registration
Statement. In addition, notwithstanding any other provision of this Agreement,
the Holders understand that there may be periods during which GraphOn's Board of
Directors may determine, in good faith, that it is in the best interest of
GraphOn and its stockholders to defer disclosure of non-public information until
such information has reached a more advanced stage and that during such periods
sales of Registrable Securities and the effectiveness of any registration
statement covering Registrable Securities may be suspended or delayed. The
Holders agree that upon receipt of any notice from GraphOn of the development of
any non-public information, such Holders will forthwith discontinue such
Holders' disposition of Registrable Securities pursuant to the registration
statement relating to such Registrable Securities until such Holders' receipt of
copies of an appropriately supplemented or amended prospectus and, if so
directed by GraphOn, such Holders will use their best efforts to deliver to
GraphOn (at GraphOn's expense) all copies, other than permanent file copies then
in such Holders' possession, of the prospectus relating to such Registrable
Securities current at the time of receipt of such notice. In the event GraphOn
shall give any such notice, the applicable time period during which a
Registration Statement is to remain effective shall be extended by the number of
days during the period from and including the date of the giving of such notice
to and including the date when each seller of a Registrable Share covered by
such registration statement shall have received the copies of the appropriate
supplemented or amended prospectus.

      1.4  Termination of Obligations. The obligations of the Company pursuant
to Section 1.2 hereof shall cease and terminate upon the earlier to occur of (a)
such time as all of the Registrable Shares have been resold, (b) such time as
all of the Registrable Shares may be resold in a three-month period pursuant to
Rule 144 or (c) the second anniversary of the Closing Date.

      1.5  Rights Upon Transfer. No Transferee of Registrable Shares shall be
entitled to have the shares transferred to it covered by the Registration
Statement unless such Transferee agrees in writing to be bound by all of the
provisions of this Holder Agreement applicable to such Holder and to return a
properly completed and executed Registration Statement Questionnaire and
Investment Suitability Questionnaire (the "Questionnaires") furnished by
GraphOn.

SECTION 2. INDEMNIFICATION OBLIGATIONS; APPOINTMENT OF SHAREHOLDERS'
REPRESENTATIVE

      2.1  Acknowledgement of Obligation. Each Holder acknowledges such Holders'
obligation, pursuant to Section 9 of the Reorganization Agreement, and subject
to any limitations contained therein, to hold harmless and indemnify each of the
Indemnitees from and against any, and to compensate and reimburse each of the
Indemnitees for any Damages directly or indirectly suffered or incurred by any
Indemnitee or to which any Indemnitee may otherwise be subject; provided,

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however, that, except as otherwise set forth in Section 9 of the Reorganization
Agreement, each Holder's obligation pursuant to Section 9 of the Reorganization
Agreement shall be limited to such Holder's share of the Escrow Amount. Each
Holder hereby expressly agrees to be bound by the provisions of Section 9 of the
Reorganization Agreement.

      2.2  Shareholders' Representatives.

      (a)  Appointment. The Holders hereby appoint Ralph Wesinger as agent and
attorney-in-fact (the "Shareholders' Representative") for and on behalf of the
Holders. The Shareholders' Representative shall have full power and authority to
represent all Holders and their successors with respect to all matters arising
under this Holder Agreement, the Reorganization Agreement and the Escrow
Agreement and all actions taken by the Shareholders' Representative hereunder
and thereunder shall be binding upon all such Holders and their successors as if
expressly confirmed and ratified in writing by each of them and no Holder shall
have the right to object, dissent, protest or otherwise contest the same. The
Shareholders' Representative may take any and all actions that it believes to be
necessary or appropriate under this Holder Agreement, the Reorganization
Agreement and the Escrow Agreement for and on behalf of the Holders, as fully as
if the Holders were acting on their own behalf, including, without limitation,
executing the Escrow Agreement as Shareholders' Representative, giving and
receiving any notice or instruction permitted or required under this Holder
Agreement, the Reorganization Agreement or the Escrow Agreement by the
Shareholders' Representative or any Holder, interpreting all of the terms and
provisions of this Holder Agreement, the Reorganization Agreement and the Escrow
Agreement, authorizing payments to be made with respect hereto or thereto,
obtaining reimbursement as provided for herein for all out-of-pocket fees and
expenses and other obligations of or incurred by the Shareholders'
Representative in connection with this Holder Agreement, the Reorganization
Agreement and the Escrow Agreement, defending all indemnity claims against the
Holders pursuant to Section 9.2 of the Reorganization Agreement (each an
"Indemnity Claim"), consenting to, compromising or settling all Indemnity
Claims, conducting negotiations with GraphOn and its agents regarding such
claims, dealing with GraphOn and the Escrow Agent under this Holder Agreement,
the Reorganization Agreement and the Escrow Agreement with respect to all
matters arising under this Holder Agreement, the Reorganization Agreement and
the Escrow Agreement, taking any and all other actions specified in or
contemplated by this Agreement and the Escrow Agreement, and engaging counsel,
accountants or other Representatives in connection with the foregoing matters.
Without limiting the generality of the foregoing, the Shareholders'
Representative shall have full power and authority to interpret all the terms
and provisions of this Holder Agreement, the Reorganization Agreement and the
Escrow Agreement and to consent to any amendment hereof or thereof on behalf of
all such Holders and such successors. Notwithstanding the foregoing, each
Shareholder shall have the right to exercise any voting rights appertaining to
the Escrow Shares and the Reimbursement Shares.

      (b)  Authorization. The Holders hereby authorize the Shareholders'
Representative, on behalf of each Holder, to:

           (i)   receive all notices or documents given or to be given to any
of the Holders by GraphOn pursuant hereto or to the Reorganization Agreement or
Escrow Agreement or in connection herewith or therewith and to receive and

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accept service of legal process in connection with any suit or proceeding
arising under this Holder Agreement, the Reorganization Agreement or the Escrow
Agreement;

           (ii)  eliver to GraphOn at the Closing all certificates and
documents to be delivered to GraphOn by any Holder pursuant to this Holder
Agreement or the Reorganization Agreement, together with any other certificates
and documents executed by any Holder and deposited with the Shareholders'
Representative for such purpose;

           (iii) engage counsel, and such accountants and other advisors for any
of the Holders and incur such other expenses on behalf of any of the Holders in
connection with this Holder Agreement, the Reorganization Agreement or the
Escrow Agreement and the transactions contemplated hereby or thereby as the
Shareholders' Representative may in its sole discretion deem appropriate; and

           (iv)  take such action on behalf of any of the Holders as the
Shareholders' Representative may in its sole discretion deem appropriate in
respect of:

                 (A) waiving any inaccuracies in the representations or
warranties of GraphOn contained in the Reorganization Agreement or in any
document delivered by GraphOn pursuant hereto or pursuant to the Reorganization
Agreement;

                 (B) waiving the fulfillment of any of the conditions precedent
to GraphOn's obligations hereunder or pursuant to the Escrow Agreement;

                 (C) taking such other action as the Shareholders'
Representative or any of the Holders are authorized to take under this Holder
Agreement, the Reorganization Agreement or the Escrow Agreement;

                 (D) receiving all documents or certificates and making all
determinations, on behalf of any of the Holders, required under this Holder
Agreement, the Reorganization Agreement or the Escrow Agreement;

                 (E) all such other matters as the Shareholders' Representative
may in its sole discretion deem necessary or appropriate to consummate this
Holder Agreement, the Reorganization Agreement or the Escrow Agreement and the
transactions contemplated hereby and thereby; and

                 (F) all such action as may be necessary after the Closing Date
to carry out any of the transactions contemplated by this Holder Agreement, the
Reorganization Agreement and the Escrow Agreement, including, without
limitation, the defense and/or settlement of any claims for which
indemnification is sought pursuant to Section 9 of the Reorganization Agreement
and any waiver of any obligation of GraphOn, Surviving Entity I or the Surviving
Entity.

All actions, decisions and instructions of the Shareholders' Representative
shall be conclusive and binding upon all of the Holders and no Holder nor any
other Person shall have any claim or cause of action against the Shareholders'
Representative, and the Shareholders' Representative shall have no liability to
any Holders or any other Person, for any action taken, decision made or

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instruction given by the Shareholders' Representative in connection with the
Escrow Agreement, this Holder Agreement or the Reorganization Agreement, except
in the case of its own willful misconduct.

      (c)  Indemnification of Shareholders' Representative. The Shareholders'
Representative shall incur no liability to the Holders or the Escrow Agent or
any other person with respect to any action taken or suffered by it in reliance
upon any note, direction, instruction, consent, statement or other documents
reasonably believed by the Shareholders' Representative to be genuinely and duly
authorized by a majority in interest of the Holders (or the successors or
assigns thereto), nor for other action or inaction taken or omitted in good
faith in connection herewith or with the Escrow Agreement, in any case except
for liability to the Holders for its own willful misconduct. The Shareholders'
Representative shall be indemnified by the Holders out of the Remaining Shares
(as defined below) for and shall be held harmless against any loss, liability or
expense incurred by the Shareholders' Representative or any of its Affiliates
and any of its partners, directors, officers, employees, agents, Holders,
consultants, attorneys, accountants, advisors, brokers, representatives or
controlling persons, in each case relating to the Shareholders' Representative's
conduct as Shareholders' Representative, other than such losses, liabilities or
expenses resulting from the Shareholders' Representative's willful misconduct in
connection with their performance under this Holder Agreement, the
Reorganization Agreement and the Escrow Agreement. This indemnification shall
survive the termination of this Agreement. Such indemnification (including the
costs and expenses of enforcing this right of indemnification) shall be borne
pro rata by the Holders and paid solely out of the Deposited Shares, if any,
that remain after the full and final satisfaction of all claims asserted as of
the Initial Termination Date (the "Remaining Shares"). In no event shall a
Holder be liable to the Shareholders' Representative for any liabilities or
expenses incurred by the Shareholders' Representative in excess of such Holder's
pro rata portion of the Remaining Shares. For all purposes hereunder, a
majority-in-interest of the Holders shall be determined on the basis of each
such Holder's ownership of GraphOn Common Stock received upon conversion of the
Holder's shares of NES Common Stock in connection with the Merger immediately
following the Effective Time of Merger I. The Escrow Agent shall from time to
time sell such amount of the Reimbursement Shares as necessary to pay the
Shareholders' Representative's costs and expenses, to the extent required by
this Section 2.2(c).

      (d)  Reasonable Reliance. In the performance of its duties hereunder, the
Shareholders' Representative shall be entitled to rely upon any document or
instrument reasonably believed by it to be genuine, accurate as to content and
signed by any Holders or GraphOn. The Shareholders' Representative may assume
that any person purporting to give any notice in accordance with the provisions
hereof has been duly authorized to do so.

      (e)  Attorney-in-Fact.

           (i) The Shareholders' Representative is hereby appointed and
constituted the true and lawful attorney-in-fact of each Holder, with full power
in his, her or its name and on his, her or its behalf to act according to the
terms of this Holder Agreement, the Reorganization Agreement and the Escrow
Agreement in the absolute discretion of the Shareholders' Representative; and in
general to do all things and to perform all acts including, without limitation,

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executing and delivering the Escrow Agreement and any other agreements,
certificates, receipts, instructions, notices or instruments contemplated by or
deemed advisable in connection with the Escrow Agreement.

           (ii) This power of attorney and all authority hereby conferred is
granted and shall be irrevocable and shall not be terminated by any act of any
Holders, by operation of law, whether by such Holder's death, disability,
protective supervision or any other event. Without limiting the foregoing, this
power of attorney is to ensure the performance of a special obligation and,
accordingly, each Holder hereby renounces its, his or her right to renounce this
power of attorney unilaterally any time before the end of the Escrow Period (as
such term is defined in the Escrow Agreement).

           (iii) Each Holder hereby waives any and all defenses which may be
available to contest, negate or disaffirm the action of the Shareholders'
Representative taken in good faith under the Escrow Agreement.

           (iv) Notwithstanding the power of attorney granted in this Section
2.2, no agreement, instrument, acknowledgement or other act or document shall be
ineffective by reason only of a Holder having signed or given such directly
instead of the Shareholders' Representative.

      (f)  Liability. If the Shareholders' Representative is required by the
terms of the Escrow Agreement to determine the occurrence of any event or
contingency, the Shareholders' Representative shall, in making such
determination, be liable to the Holders only for its proven willful misconduct
as determined in light of all the circumstances, including the time and
facilities available to it in the ordinary conduct of business. In determining
the occurrence of any such event or contingency, the Shareholders'
Representative may request from any of the Holders or any other person such
reasonable additional evidence as the Shareholders' Representative in its sole
discretion may deem necessary to determine any fact relating to the occurrence
of such event or contingency, and may at any time inquire of and consult with
others, including any of the Holders, and the Shareholders' Representative shall
not be liable to any Holder for any Damages resulting from its delay in acting
hereunder pending receipt and examination of additional evidence requested by
it.

      (g)  Orders. The Shareholders' Representative is authorized, in its sole
discretion, to comply with final, nonappealable orders or decisions issued or
process entered by any court of competent jurisdiction or arbitrator with
respect to the Escrow Fund.

      (h)  Removal of a Shareholders' Representative; Authority of Successor
Shareholders' Representative. Holders who in the aggregate hold a majority of
the shares in the Escrow Fund shall have the right at any time during the term
of the Escrow Agreement to remove the then-acting Shareholders' Representative
and to appoint a successor Shareholders' Representative; provided, however, that
neither such removal of any then acting Shareholders' Representative nor such
appointment of the successor Shareholders' Representative shall be effective
until the delivery to the Escrow Agent of executed counterparts of a writing
signed by each such Holder with respect to such removal and appointment,
together with an acknowledgment signed by the successor Shareholders'
Representative appointed in such writing that he or she accepts the
responsibility of being the successor Shareholders' Representative and agrees to

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perform and be bound by all of the provisions of this Agreement applicable to
the Shareholders' Representative. Each successor Shareholders' Representative
shall have all of the power, authority, rights and privileges conferred by this
Agreement upon the original Shareholders' Representative, and the term
"Shareholders' Representative" as used herein and in the Escrow Agreement shall
be deemed to include any interim or successor Shareholders' Representative.

           (i) Expenses of the Shareholders' Representative. The Holders shall
have no claim or cause of action against, may not assert any claim against, and
shall indemnify and hold harmless the Shareholders' Representative and its
Affiliates and any of their respective partners, directors, officers, employees,
agents, Holders, consultants, attorneys, accountants, advisors, brokers,
representatives or controlling persons, as provided for in Section 2.2(c) above.
The Shareholders' Representative shall bear and pay, on behalf of the Holders,
all costs and expenses (including legal, accounting and other advisors' fees and
expenses, if applicable) incurred in connection with the protection, defense or
enforcement of any rights under this Holder Agreement or the Escrow Agreement.
The Holders shall indemnify the Shareholders' Representative out of the
Remaining Shares in accordance with Section 2.2(c) above for costs and expenses
reasonably incurred and paid by the Shareholders' Representative.

           (j) Irrevocable Appointment. Subject to Section 2.2(i), the
appointment of the Shareholders' Representative hereunder is irrevocable and any
action taken by the Shareholders' Representative pursuant to the authority
granted in this Section 2.2 shall be effective and absolutely binding on each
Holder thereof notwithstanding any contrary action of, or direction from any
Holder, except for actions taken by the Shareholders' Representative that
constitute willful misconduct.

      2.3  Defense of Third-Party Claims. In the event of the assertion or
commencement by any Person of any claim or Legal Proceeding (whether against
Surviving Entity I, against the Surviving Entity, against GraphOn or against any
other Person) with respect to which an Indemnitee may seek indemnification
pursuant to Section 9 of the Reorganization Agreement, GraphOn shall have the
right, at its election, to proceed with the defense of such claim or Legal
Proceeding on its own. If GraphOn so proceeds with the defense of any such claim
or Legal Proceeding:

          (a)  all reasonable expenses relating to the defense of such claim or
Legal Proceeding shall be borne and paid by the Holders, subject to the
limitations referenced in Section 2.1;

           (b) each Holder shall make available to GraphOn any documents and
materials in his possession or control that may be necessary to the defense of
such claim or Legal Proceeding; and

           (c) GraphOn shall have the right to settle, adjust or compromise such
claim or Legal Proceeding with the consent of the Shareholders' Representative;
provided, however, that such consent shall not be unreasonably withheld.

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GraphOn shall give the Shareholders' Representative prompt notice of the
commencement of any such Legal Proceeding against GraphOn, against Surviving
Entity I or against the Surviving Entity; provided, however, that any failure on
the part of GraphOn to so notify the Shareholders' Representative shall not
limit any indemnification obligations under Section 9 of the Reorganization
Agreement (except to the extent such failure materially prejudices the defense
of such Legal Proceeding).

      2.4  Exercise of Remedies by Indemnitees Other Than GraphOn. No Indemnitee
(other than GraphOn or any successor thereto or assign thereof) shall be
permitted to assert any indemnification claim or exercise any other remedy under
the Reorganization Agreement or this Holder Agreement unless GraphOn (or any
successor thereto or assign thereof) shall have consented to the assertion of
such indemnification claim or the exercise of such other remedy.

SECTION 3. CERTIFICATION

      3.1  Representations, Warranties and Certification of the Holders. Each
Holder represents, warrants and certifies to GraphOn as follows.

           (a) Before giving effect to the Merger: (i) each Holder is the
beneficial owner of the number of shares of NES Common Stock set forth opposite
the Holder's name on the Schedule of Holders attached hereto as Exhibit A (the
"Shares"); (ii) each Holder has good and valid title to the Shares free and
clear of any Encumbrances; (iii) the Shares are the only outstanding shares of
the capital stock of NES beneficially owned by the Holder; and (iv) the Holder
has the sole power to vote all of the Shares at any meeting of the stockholders
of NES and the sole power to act by written consent with respect to the Shares
in lieu of any such meeting. The Holder has not appointed or granted any proxy
or entered into any agreement, contract, commitment or understanding with
respect to any of the Shares.

           (b) The Holder has the absolute and unrestricted right, power,
authority and capacity to enter into, execute, deliver and perform all of his
obligations under this Holder Agreement and under each other agreement, document
or instrument referred to in or contemplated by this Holder Agreement to which
the Holder is or is to become a party (each such other agreement, document or
instrument being referred to herein as an "Other Applicable Document").

           (c) This Holder Agreement and each Other Applicable Document (i) has
been (or will when executed by the Holder be) duly and validly executed by the
Holder and (ii) constitutes (or will when executed by the Holder constitute) a
valid and binding obligation of the Holder, enforceable against the Holder in
accordance with its terms, subject to laws of general application relating to
bankruptcy, insolvency and the relief of debtors, and to general equitable
principles.

           (d) Neither the execution, delivery or performance of this Holder
Agreement or of any Other Applicable Document, nor the consummation of the
Merger or any of the other transactions contemplated by this Holder Agreement,
the Reorganization Agreement or by any Other Applicable Document, will directly
or indirectly: (i) result in any violation or breach of any agreement or other

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instrument to which the Holder is a party or by which the Holder or any of the
Shares is bound or affected; or (ii) result in a violation of any Legal
Requirement or order to which the Holder or any of the Shares is subject. No
authorization, consent or approval of, or notice to, any Person is required to
be obtained or given by the Holder in connection with the execution, delivery or
performance of the Reorganization Agreement or of any Other Applicable Document.

           (e) There is no Legal Proceeding by or before any Governmental Body
pending or, to the knowledge of the Holder, threatened against the Holder that
challenges or would challenge the execution, delivery or performance of this
Holder Agreement or of any Other Applicable Document or the taking of any of the
actions required to be taken under this Holder Agreement or under any Other
Applicable Document.

           (f) The Holder is aware that (i) the GraphOn Common Stock to be
issued to the Holder in the Merger will not be issued pursuant to a registration
statement under the Securities Act, but will instead be issued in reliance on
the exemption from registration set forth in Regulation D under the Act and (ii)
neither the Transaction nor the issuance of such GraphOn Common Stock has been
approved or reviewed by the SEC or by any other Governmental Body.

           (g) The Holder is aware that the GraphOn Common Stock to be issued in
the Merger cannot be offered, sold or otherwise transferred, assigned, pledged
or hypothecated unless such GraphOn Common Stock is registered under the
Securities Act or unless an exemption from registration is available.

           (h) The GraphOn Common Stock to be issued to the Holder in the Merger
will be acquired by the Holder for investment purposes only and for the Holder's
own account, and not with a view to, or for resale in connection with, any
unregistered distribution thereof.

           (i) The Holder is knowledgeable, sophisticated and experienced in
making, and is qualified to make, decisions with respect to investments in
securities presenting investment decisions like that involved in the Holder's
contemplated investment in the GraphOn Common Stock to be issued in connection
with the Merger.

           (j) The Holder is an "accredited investor," as that term is defined
in Rule 501 under the Securities Act.

           (k) The Holder understands that stop transfer instructions will be
given to GraphOn's transfer agent with respect to the GraphOn Common Stock to be
issued to the Holder in the Merger, and that there will be placed on the
certificate or certificates representing such GraphOn Common Stock a legend
identical or similar in effect to the following legend (together with any other
legend or legends required by applicable state securities laws or otherwise):

           "THE SHARES REPRESENTED BY THIS CERTIFICATE HAVE NOT BEEN REGISTERED
           UNDER THE SECURITIES ACT OF 1933 (THE "ACT") AND MAY NOT BE OFFERED,
           SOLD OR OTHERWISE TRANSFERRED, ASSIGNED, PLEDGED OR HYPOTHECATED
           UNLESS REGISTERED UNDER THE ACT OR UNLESS AN EXEMPTION FROM THE
           REGISTRATION REQUIREMENTS OF THE ACT IS AVAILABLE."

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      3.2  Reliance. The Holder acknowledges that GraphOn will rely on the
Holder's representations, warranties and certification set forth in Section 3.1
above for purposes of determining the Holder's suitability as an investor in
GraphOn Common Stock and for purposes of confirming the availability of an
exemption from the registration requirements of the Securities Act for the
issuance of shares of GraphOn Common Stock in the Merger.

      3.3  Prohibitions Against Transfer. The Holder understands and
acknowledges that it shall not effect any sale, transfer or other disposition,
or any assignment, pledge or hypothecation, of any shares of GraphOn Common
Stock that he is to receive in the Merger unless:

           (i)   such sale, transfer, disposition, assignment, pledge or
hypothecation has been registered under the Securities Act;

           (ii)  counsel reasonably satisfactory to GraphOn shall have advised
GraphOn in a written opinion letter (satisfactory in form and content to
GraphOn), upon which GraphOn may rely, that such sale, transfer, disposition,
assignment, pledge or hypothecation will be exempt from registration under the
Securities Act; or

           (iii) an authorized representative of the SEC shall have rendered
written advice to the Holder to the effect that the SEC would take no action, or
that the staff of the SEC would not recommend that the SEC take action, with
respect to such sale, transfer, disposition, assignment, pledge or hypothecation
and a copy of such written advice and all other related communications with the
SEC shall have been delivered to GraphOn.

      3.4  No "Net Short" Position. For so long as Holder owns any Shares, such
Holder shall not maintain a Net Short Position. For purposes of this Section, a
"Net Short Position" by a person means a position whereby such person has
executed one or more sales of GraphOn Common Stock that is marked as a short
sale and that is executed at a time when such Holder has no equivalent
offsetting long position in the GraphOn Common Stock. For purposes of
determining whether a Holder has an equivalent offsetting long position in the
GraphOn Common Stock, all GraphOn Common Stock that is owned by such Holder
shall be deemed to be held long by such Holder.

      3.5  Questionnaires. Holder has completed or caused to be completed and
delivered to GraphOn the Questionnaires, and the answers to the questions in the
Questionnaires are true and correct as of the date of this Agreement; provided,
that the Holders shall be entitled to update such information by providing
written notice thereof to GraphOn before the effective date of the Registration
Statement.

SECTION 4. MISCELLANEOUS PROVISIONS

      4.1  Further Assurances. Each party hereto shall execute and cause to be
delivered to each other party hereto such instruments and other documents, and
shall take such other actions, as such other party may reasonably request (prior
to, at or after the date of this Holder Agreement) for the purpose of carrying
out or evidencing any of the transactions contemplated by this Holder Agreement.

                                       11
<PAGE>

      4.2  Fees and Expenses. Except as explicitly contained in this Holder
Agreement, each party to this Holder Agreement shall bear and pay all fees,
costs and expenses (including legal fees and accounting fees) that have been
incurred or that are incurred by or on behalf of such party in connection with
the transactions contemplated by this Holder Agreement.

      4.3  Attorneys' Fees. If any action or proceeding relating to this Holder
Agreement or the enforcement of any provision of this Holder Agreement is
brought against any party hereto, the prevailing party shall be entitled to
recover reasonable attorneys' fees, costs and disbursements (in addition to any
other relief to which the prevailing party may be entitled).

      4.4  Notices. Any notice or other communication required or permitted to
be delivered to any party under this Holder Agreement shall be in writing and
shall be deemed properly delivered, given and received when delivered (by hand,
by registered mail, by courier or express delivery service or by facsimile) to
the address or facsimile number set forth on the signature pages to this Holder
Agreement (or to such other address or facsimile telephone number as such party
shall have specified in a written notice given to the other parties hereto).

      4.5  Time of the Essence. Time is of the essence of this Holder Agreement.

      4.6  Headings. The underlined headings contained in this Holder Agreement
are for convenience of reference only, shall not be deemed to be a part of this
Holder Agreement and shall not be referred to in connection with the
construction or interpretation of this Holder Agreement.

      4.7  Counterparts. This Holder Agreement may be executed in several
counterparts, each of which shall constitute an original and all of which, when
taken together, shall constitute one agreement.

      4.8  Governing Law. This Holder Agreement shall be construed in accordance
with, and governed in all respects by, the internal laws of the State of
California (without giving effect to principles of conflicts of laws).

      4.9  Successors and Assigns. This Holder Agreement shall be binding upon:
each Holder and its successors and assigns (if any); and GraphOn and its
successors and assigns (if any). This Agreement shall inure to the benefit of
each Holder, GraphOn and the respective successors and assigns (if any) of the
foregoing. No Holder may assign any rights under this Holder Agreement to any
Person unless such Person agrees in writing to be bound by the terms and
provisions of this Holder Agreement, and such transfer is in compliance with the
terms and provisions of this Holder Agreement and permitted by federal and state
securities law. GraphOn may freely assign any or all of its rights under this
Holder Agreement, in whole or in part, to any other Person without obtaining the
consent or approval of any other party hereto or of any other Person.

      4.10 Remedies Cumulative. The rights and remedies of the parties hereto
shall be cumulative (and not alternative).

                                       12
<PAGE>

      4.11 Waiver.

           (a) No failure on the part of any Person to exercise any power,
right, privilege or remedy under this Holder Agreement, and no delay on the part
of any Person in exercising any power, right, privilege or remedy under this
Holder Agreement, shall operate as a waiver of such power, right, privilege or
remedy; and no single or partial exercise of any such power, right, privilege or
remedy shall preclude any other or further exercise thereof or of any other
power, right, privilege or remedy.

          (b) No Person shall be deemed to have waived any claim arising out of
this Holder Agreement, or any power, right, privilege or remedy under this
Holder Agreement, unless the waiver of such claim, power, right, privilege or
remedy is expressly set forth in a written instrument duly executed and
delivered on behalf of such Person; and any such waiver shall not be applicable
or have any effect except in the specific instance in which it is given.

      4.12 Amendments. This Holder Agreement may not be amended, modified,
altered or supplemented other than by means of a written instrument duly
executed and delivered on behalf of all of the parties hereto.

      4.13 Severability. Any term or provision of this Holder Agreement that is
invalid or unenforceable in any situation in any jurisdiction shall not affect
the validity or enforceability of the remaining terms and provisions hereof or
the validity or enforceability of the offending term or provision in any other
situation or in any other jurisdiction. If the final judgment of a court of
competent jurisdiction declares that any term or provision hereof is invalid or
unenforceable, the parties hereto agree that the court making such determination
shall have the power to limit the term or provision, to delete specific words or
phrases, or to replace any invalid or unenforceable term or provision with a
term or provision that is valid and enforceable and that comes closest to
expressing the intention of the invalid or unenforceable term or provision, and
this Holder Agreement shall be enforceable as so modified. In the event such
court does not exercise the power granted to it in the prior sentence, the
parties hereto agree to replace such invalid or unenforceable term or provision
with a valid and enforceable term or provision that will achieve, to the extent
possible, the economic, business and other purposes of such invalid or
unenforceable term.

      4.14 Parties in Interest. Except for the provisions of Section 2, none of
the provisions of this Holder Agreement is intended to provide any rights or
remedies to any Person other than the parties hereto and their respective
successors and assigns (if any).

      4.15 Entire Agreement. This Holder Agreement and the Reorganization
Agreement set forth the entire understanding of the parties hereto relating to
the subject matter hereof and thereof and supersede all prior agreements and
understandings among or between any of the parties relating to the subject
matter hereof and thereof; provided, however, that (a) the Confidentiality
Agreement executed on behalf of GraphOn and the Company on August 20, 2004 (the
"Confidentiality Agreement") shall not be superseded by this Holder Agreement
and shall remain in effect until the date on which such Confidentiality
Agreement is terminated in accordance with its terms and (b) the "Binding
Provisions" set forth in Part 2 of the Letter of Intent dated as of October 6,

                                       13
<PAGE>

2004 (the "LOI") shall remain in effect until such provisions terminate in
accordance with the terms of the LOI.

      4.16 Construction.

           (a) For purposes of this Holder Agreement, whenever the context
requires: the singular number shall include the plural, and vice versa; the
masculine gender shall include the feminine and neuter genders; the feminine
gender shall include the masculine and neuter genders; and the neuter gender
shall include the masculine and feminine genders.

           (b) The parties hereto agree that any rule of construction to the
effect that ambiguities are to be resolved against the drafting party shall not
be applied in the construction or interpretation of this Agreement.

           (c) As used in this Holder Agreement, the words "include" and
"including," and variations thereof, shall not be deemed to be terms of
limitation, but rather shall be deemed to be followed by the words "without
limitation."

           (d) Except as otherwise indicated, all references in this Holder
Agreement to "Sections" and "Exhibits" are intended to refer to Sections of this
Holder Agreement and Exhibits to this Holder Agreement.

                            [Signature page follows]

                                       14
<PAGE>

      IN WITNESS WHEREOF, the parties hereto have executed this HOLDER AGREEMENT
as of the date set forth in the first paragraph hereof.

COMPANY:                         HOLDERS:

GRAPHON CORPORATION

By:/s/ William Swain             By:  [Signatures  of each  Holder on file
   ---------------------------      --------------------------------------

Address: 3130 Winkle Avenue         Printed Name: -----------------------
         Santa Cruz, CA 95065       Entity Name (if applicable): --------
         Fax:  (831) 475-3017       -------------------------------------
         Attn: William Swain        Title (if applicable):---------------
                                    Address: ----------------------------
                                    Facsimile: --------------------------

                                       15
<PAGE>

                                   SCHEDULE A

                               SCHEDULE OF HOLDERS

                                  SHARES OF NES
   HOLDER                          COMMON STOCK
Ralph Wesinger                       53,480
Crystal Bay Company                  19,905
Oso Partners                          2,004
William Kennedy                       1,810
Forrest R.and Judith A. Romas         1,544
Clark Reams                             575
Neil Ison                               312
Steven Levy                             312
William Sanders                         200
Sierra Patent Group, Ltd.                 0
Ken D'Alessandro                          0
Timothy Brisson                           0
          Total:                     80,142GRAPHON CORPORATION

                           UNIT SUBSCRIPTION AGREEMENT
                                  COMMON STOCK
                                  AND WARRANTS

           UNIT SUBSCRIPTION AGREEMENT (the "Agreement") dated as of February 2,
2005 among GRAPHON CORPORATION, a Delaware corporation (the "Company"), and the
persons who execute this Agreement as investors (the "Investors").

Background: The Company desires to sell to the Investors, and the Investors
desire to purchase, an aggregate of 148,148 shares of Series A Stock of the
Company (the "Shares") in Units with 5-year warrants, in substantially the form
attached hereto as Exhibit 1A, exercisable to purchase an aggregate of 74,074
shares of Series B Stock of the Company (the "Warrant Shares") at $40.00 per
share (the "Series B Warrants"), all for an aggregate price of $3,999,996. The
Shares are convertible into an aggregate of 14,814,800 shares of Common Stock.
The Warrant Shares will be convertible into an aggregate of 7,407,400 shares of
Common Stock. The Series B Warrants are convertible under certain circumstances
into 5-year warrants, in substantially the form attached hereto as Exhibit 1B,
exercisable to purchase an aggregate of 7,407,400 shares of Common Stock at
$0.40 per share (the "Exchange Warrants"). The proceeds are necessary for the
proposed acquisition by the Company of Network Engineering Software, Inc.
("NES") and the development and continuance of the business of the Company and
each of its Subsidiaries.

Certain Definitions:

      "Acquisition" shall mean the acquisition by the Company of NES
substantially in accordance with the terms set forth in the Agreement and Plan
of Merger and Reorganization, dated December 3, 2004, (the "Reorganization
Agreement").

      "Action" has the meaning set forth in Section 2.10.

      "Agreement" has the meaning set forth in the Preamble.

      "Blue Sky Laws" has the meaning set forth in Section 2.7(b).

      "Certificate of Amendment" has the meaning set forth in Section 2.2(b)(i).

      "Certificate of Incorporation" has the meaning set forth in Section
2.2(a).

      "Closing" and "Closing Date" have the meanings set forth in Section 1.2.

      "Common Stock" shall mean stock of the Company of any class (however
designated) whether now or hereafter authorized, which generally has the right
to participate in the voting and in the distribution of earnings and assets of
the Company without limit as to amount or percentage, including the Company's
Common Stock, $.0001 par value per share.

<PAGE>

      "Company" includes the Company and any corporation or other entity that
shall succeed to or assume, directly or indirectly, the obligations of the
Company hereunder. The term "corporation" shall include an association, joint
stock company, business trust, limited liability company or other similar
organization.

      "Company Disclosure Letter" means the disclosure letter delivered to the
Investors prior to the execution of this Agreement, which letter is incorporated
in this Agreement.

      "Contemplated Transactions" has the meaning set forth in Section 2.1(b).

      "Exchange Act" has the meaning set forth in Section 2.7(b).

      "Exchange Warrants" has the meaning set forth in Background.

      "Existing Investor Rights Agreement" means the Investor Rights Agreement,
dated as of January 29, 2004, by and among the Company and the investors party
thereto.

      "Existing Warrants" means 5-year warrants, dated January 29, 2004,
exercisable to purchase an aggregate of 2,500,000 shares of Common Stock at
$0.33 per share, issued pursuant to that certain Unit Subscription Agreement,
dated as of January 29, 2004, among the Company and the investors party thereto
and the warrants of similar tenor, currently exercisable to purchase 720,000
shares, held by the Griffin Holders.

      "Financial Advisory Agreement" has the meaning set forth in Section
1.3(b).

      "Financial Statements" has the meaning set forth in Section 2.9(g).

      "Form 10-K Financial Statements" has the meaning set forth in Section
2.9(d).

      "Governmental Body" has the meaning set forth in Section 2.7(b).

      "Griffin" has the meaning set forth in Section 2.6.

      "Griffin Holders" means Griffin and certain other persons to whom Griffin
transferred Existing Warrants, who are also parties to the Waiver.

      "Griffin Agreement" means the agreement, dated January 8, 2005, between
Griffin and the Company, in form previously provided and acceptable to counsel
for the Investors governing compensation of Griffin.

      "Hirschman" has the meaning set forth in Section 1.3(b).

      "Investor Rights Agreement" has the meaning set forth in Section 1.3(a).

      "Investors" has the meaning set forth in the Preamble.

                                       2
<PAGE>

      "June 30 Form 10-Q Financial Statements" has the meaning set forth in
           Section 2.9(e).

      "Legal Fee" has the meaning set forth in Section 6.9.

      "Legal Requirement" has the meaning set forth in Section 2.8.

      "Loss" has the meaning set forth in Section 5.2(b).

      "March 31 Form 10-Q Financial Statements" has the meaning set forth in
Section 2.9(f).

      "Material Adverse Change" shall mean a material adverse change in the
business, financial condition, results of operation, properties or operations of
the Company and its Subsidiaries taken as a whole.

      "Material Adverse Effect" has the meaning set forth in Section 2.1(a).

      "Material Agreements" has the meaning set forth in Section 2.8.

      "NES" has the meaning set forth in Background.

      "Ordinary Course of Business" has the meaning set forth in Section 2.11.

      "Own" means own beneficially, as that term is defined in the rules and
regulations of the SEC.

      "Person" means any individual, sole proprietorship, partnership,
corporation, limited liability company, business trust, unincorporated
association, joint stock corporation, trust, joint venture or other entity, any
university or similar institution, or any government or any agency or
instrumentality or political subdivision thereof.

      "Proposal" has the meaning set forth in Section 2.2(b)(i).

      "Proprietary Assets" has the meaning set forth in Section 2.12.

      "Proxy Statement" has the meaning set forth in Section 2.2(b)(i).

      "Purchased Shares" has the meaning set forth in Section 1.1(a).

      "Purchased Warrants" has the meaning set forth in Section 1.1(a).

      "Required Stockholder Approval" has the meaning set forth in Section
2.2(b)(i).

      "SEC" means the Securities and Exchange Commission.

      "SEC Documents" has the meaning set forth in Section 2.9(a).

                                       3
<PAGE>

      "Securities" has the meaning set forth in Section 1.1(a).

      "Securities Act" has the meaning set forth in Section 2.5.

      "September 30 Form 10-Q Financial Statements" has the meaning set forth in
Section 2.9(g).

      "Series A Stock" means the Series A Participating Convertible Preferred
Stock, par value $.01 per share, of the Company, having the terms set forth in
Exhibit 1C hereto.

      "Series B Stock" means the Series B Participating Convertible Preferred
Stock, par value $.01 per share, of the Company, having the terms set forth in
Exhibit 1C hereto.

      "Series B Warrants" has the meaning set forth in Background.

      "Shares" has the meaning set forth in Background.

      "Stockholders Meeting" has the meaning set forth in Section 2.2(b)(i).

      "Subsidiary" shall mean, immediately prior to the Closing, any corporation
of which stock or other interest having ordinary power to elect a majority of
the Board of Directors (or other governing body) of such entity (regardless of
whether or not at the time stock or interests of any other class or classes of
such corporation shall have or may have voting power by reason of the happening
of any contingency) is, immediately prior to the Closing, directly or indirectly
owned by the Company or by one or more Subsidiaries. For purposes of clarity,
the definition of Subsidiary shall not include NES for any purpose.

      "Transaction Documents" means the Agreement, the Financial
Advisory Agreement, the Purchased Warrants and the Investor
Rights Agreement.

      "Transfer Agent" has the meaning set forth in Section 1.2(b).

      "Underlying Shares" shall mean the shares of Common Stock issued or from
time to time issuable upon (a) conversion of (i) the Shares or (ii) the Series B
Stock issuable upon exercise of the Series B Warrants, and (b) exercise of the
Exchange Warrants.

      "Unit" shall mean (i) one (1) Share and (ii) one Series B Warrant to
purchase one half (0.5) of a Warrant Share.

           In consideration of the mutual covenants contained herein, the
parties agree as follows:

                                       4
<PAGE>

           1. Purchase and Sale of Stock.

                1.1. Sale and Issuance of Securities. (a) The Company shall sell
      to the Investors and the Investors shall purchase from the Company,
      148,148 Units (the "Units") at a price per Unit equal to $27.00, or an
      aggregate of (x) 148,148 Shares (the "Purchased Shares") and (y) Series B
      Warrants to purchase an aggregate of 74,074 Warrant Shares (the "Purchased
      Warrants" and, collectively with the Purchased Shares, the "Securities"),
      for an aggregate purchase price of $3,999,996.00.

                (b) The number of Purchased Shares and Purchased Warrants to be
      purchased by each Investor from the Company is set forth on Schedule
      1.1(b) hereto, subject to acceptance, in whole or in part, by the Company.

                1.2. Closing. The closing (the "Closing") of the purchase and
      sale of the Securities hereunder shall take place within three (3) days of
      the date of this Agreement or such other date within fifteen (15) business
      days of this Agreement as agreed to by the Company and Hirschman (the
      "Closing Date"). The Closing shall take place at the offices of Hahn &
      Hessen LLP, the Investors' counsel, in New York, New York, or at such
      other location as is mutually acceptable to the Investors and the Company,
      subject to fulfillment of the conditions of closing set forth in the
      Agreement. At the Closing:

                     (a) each Investor purchasing Securities at the Closing
           shall deliver to the Company or its designees by wire transfer or
           such other method of payment as the Company shall approve, an amount
           equal to the purchase price of the Securities purchased by such
           Investor hereunder, as set forth opposite such Investor's name on the
           signature pages hereof;

                     (b) the Company shall authorize its transfer agent (the
           "Transfer Agent") to arrange delivery to each Investor of one or more
           stock certificates registered in the name of the Investor, or in such
           nominee name(s) as designated by the Investor in writing,
           representing the number of Purchased Shares set forth opposite such
           Investors named on Schedule 1.1(b); and

                     (c) the Company shall issue and deliver to each Investor
           the number of Purchased Warrants set forth opposite such Investors
           named on Schedule 1.1(b).

                1.3. Investors' Conditions of Closing. The obligation of the
      Investors to complete the purchase of the Securities at the Closing is
      subject to fulfillment of the following conditions:

                     (a) the Company shall execute and deliver an Investor
           Rights Agreement, dated the Closing Date, in the form attached as
           Exhibit 2, with respect to the Purchased Shares and the Underlying
           Shares (the "Investor Rights Agreement");

                                       5
<PAGE>

                     (b) the Company and Orin Hirschman ("Hirschman") shall
           execute and deliver an amendment to the existing Financial Advisory
           Agreement, dated January 29, 2004, in the form attached as Exhibit 3
           (the "Financial Advisory Agreement Amendment");

                     (c) the Company shall cause to be delivered to the
           Investors an Opinion of Counsel, dated the Closing Date and
           reasonably satisfactory to counsel for the Investors, with respect to
           the matters set forth on Exhibit 4;

                     (d) the representation and warranties of the Company set
           forth in this Agreement shall be true and correct in all material
           respects as of the date of this Agreement and (to the extent such
           representations and warranties speak as of a later date) as of such
           later date as though made on and as of the Closing Date, and the
           Company shall have performed in all material respects all covenants
           and other obligations required to be performed by it under this
           Agreement at or prior to the Closing Date.

                     (e) the absence of a Material Adverse Change from the date
           of this Agreement up to, and including, the Closing Date;

                     (f) the Company shall have executed and delivered all other
           documents reasonably requested by counsel for the Investors that are
           necessary to complete the contemplated transactions;

                     (g) All Securities delivered at the Closing shall have any
           necessary stock transfer tax stamps (purchased at the expense of the
           Company) affixed;

                     (h) the Company shall pay the Investors' expenses to the
           extent set forth in Section 6.9 hereof;

                     (i) the Company shall deliver to the Investors a certified
           copy of its Certificate of Incorporation, as amended, and by-laws and
           a Certificate of Good Standing from the Secretary of State of the
           State of Delaware;

                     (j) the Company, Hirschman and Griffin (as defined in
           Section 2.6) shall have entered into an agreement regarding the fees
           owed by the Company to Griffin and Hirschman.

                     (k) the Acquisition shall have been completed;

                     (l) the Company shall have received a waiver of preemptive
           rights and antidilution rights and related acknowledgments from each
           holder of Existing Warrants pursuant to the Existing Investor Rights
           Agreement and the Existing Warrants with respect to all Securities
           issued hereunder in the form attached hereto as Exhibit 6 (the
           "Waiver");

                                       6
<PAGE>

                     (m) the executive officers and members of the Board of
           Directors of the Company shall have executed and delivered the Voting
           Agreement in the form attached hereto as Exhibit 7 (the "Voting
           Agreement"); and

                     (n) the Investors shall have received a certificate signed
           on behalf of the Company by the President and Secretary of the
           Company, in such capacities, to the effect that all covenants and
           other obligations required to be performed by the Company at a prior
           to the Closing Date under this Agreement shall have been performed in
           all material respects (the "Closing Certificate").

                1.4. Company's Condition of Closing. The obligation of the
      Company to complete the sale of the Securities at the Closing is subject
      to fulfillment of the following conditions:

                     (a) The Investors shall execute and deliver the Investor
           Rights Agreement.

                     (b) The Company shall have received the Waiver, executed by
           each holder of Existing Warrants.

           2. Representations, Warranties and Covenants of the Company. The
Company hereby represents and warrants to, and covenants with, each of the
Investors as follows:

                2.1. Corporate Organization; Authority; Due Authorization.

                     (a) The Company (i) is a corporation duly organized,
           validly existing and in good standing under the laws of the
           jurisdiction of its incorporation, (ii) has the corporate power and
           authority to own or lease its properties as and in the places where
           such business is conducted and to carry on its business as conducted
           and (iii) is duly qualified as a foreign corporation authorized to do
           business in every jurisdiction where the failure to so qualify,
           individually or in the aggregate, would have a material adverse
           effect on the operations, assets, liabilities, financial condition or
           business of the Company (a "Material Adverse Effect"). Set forth in
           the Company Disclosure Letter is a complete and correct list of all
           Subsidiaries. Each Subsidiary is duly incorporated, validly existing
           and in good standing under the laws of its jurisdiction of
           incorporation and is qualified to do business as a foreign
           corporation in each jurisdiction in which qualification is required,
           except where failure to so qualify would not have a Material Adverse
           Effect.

                     (b) The Company (i) has the requisite corporate power and
           authority to execute, deliver and perform the Griffin Agreement, the
           Waiver, this Agreement and the other Transaction Documents to which
           it is a party and to incur the obligations herein and therein and
           (ii) has been authorized by all necessary corporate action to
           execute, deliver and perform the Griffin Agreement, the Waiver, this
           Agreement and the other Transaction Documents to which it is a party
           and to consummate the transactions contemplated hereby and thereby
           (the "Contemplated Transactions"). Each of the Griffin Agreement, the

                                       7
<PAGE>

           Waiver, this Agreement and the other Transaction Documents is a valid
           and binding obligation of the Company enforceable in accordance with
           its terms except as limited by applicable bankruptcy, reorganization,
           insolvency, moratorium or similar laws affecting the enforcement of
           creditors' rights and the availability of equitable remedies
           (regardless of whether such enforceability is considered in a
           proceeding at law or equity). Each of the Exchange Warrants, when
           issued upon conversion of the Series B Warrants, will be a valid and
           binding obligation of the Company enforceable in accordance with its
           terms except as limited by applicable bankruptcy, reorganization,
           insolvency, moratorium or similar laws affecting the enforcement of
           creditors' rights and the availability of equitable remedies
           (regardless of whether such enforceability is considered in a
           proceeding at law or equity).

                2.2. Capitalization; Authorization of Additional Shares of
      Common Stock.

                     (a) Current Capitalization. As of the date hereof, the
           authorized capital stock of the Company consists of (i) 45,000,000
           shares of Common Stock, $.0001 par value, of which 21,716,765 shares
           of Common Stock are outstanding and (ii) 5,000,000 shares of
           Preferred Stock, $.01 par value, of which no shares are outstanding.
           All outstanding shares were issued in compliance with all applicable
           Federal and state securities laws, and the issuance of such shares
           was duly authorized. Except as contemplated by this Agreement or as
           set forth in the Company Disclosure Letter, there are (i) no
           outstanding subscriptions, warrants, options, conversion privileges
           or other rights or agreements obligating the Company to purchase or
           otherwise acquire or issue any shares of capital stock of the Company
           (or shares reserved for such purpose), (ii) no preemptive rights
           contained in the Company's Certificate of Incorporation, as amended
           (the "Certificate of Incorporation"), By-Laws of the Company or
           contracts to which the Company is a party or rights of first refusal
           with respect to the issuance of additional shares of capital stock of
           the Company (other than as set forth in the Investor Rights
           Agreement, including without limitation the Securities and the
           Underlying Shares, and (iii) no commitments or understandings (oral
           or written) of the Company to issue any shares, warrants, options or
           other rights. Except as set forth in the Company Disclosure Letter,
           none of the shares of Common Stock are subject to any stockholders'
           agreement, voting trust agreement or similar arrangement or
           understanding. Except as set forth in the Company Disclosure Letter,
           the Company has no outstanding bonds, debentures, notes or other
           obligations the holders of which have the right to vote (or which are
           convertible into or exercisable for securities having the right to
           vote) with the stockholders of the Company on any matter. With
           respect to each Subsidiary, (i) all the issued and outstanding shares
           of the Subsidiary's capital stock have been duly authorized and
           validly issued, are fully paid and nonassessable, have been issued in
           compliance with applicable federal and state securities laws, were
           not issued in violation of or subject to any preemptive rights or
           other rights to subscribe for or purchase securities, and (ii) except
           as disclosed in the Company Disclosure Letter, there are no
           outstanding options to purchase, or any preemptive rights or other
           rights to subscribe for or to purchase, any securities or obligations
           convertible into, or any contracts or commitments to issue or sell,
           shares of the Subsidiary's capital stock or any such options, rights,

                                       8
<PAGE>

           convertible securities or obligations. Except as disclosed in the
           Company Disclosure Letter, the Company owns 100% of the outstanding
           equity of each Subsidiary.

                     (b) Amendment to Certificate of Incorporation; Proxy
           Statement; Stockholders Meeting.

                     (i) The Board of Directors of the Company has approved an
           amendment to the Certificate of Incorporation authorizing the
           issuance of additional shares of Common Stock, which, if ratified by
           the Company's stockholders, would enable the Company to be in
           compliance with the covenant set forth in Section 5.1(c) below (the
           "Certificate of Amendment"). In furtherance thereof, as promptly as
           possible, but in no event later than 15 business days following the
           date of this Agreement, the Company shall take all action necessary
           to call a meeting of its stockholders (together with any adjournments
           or postponements thereof, the "Stockholders Meeting"), other than
           actions with respect to the preparation and filing of any Proxy
           Statement (as defined below) for such meeting, for the purpose of
           seeking the requisite stockholder approval (the "Required Stockholder
           Approval") of the Certificate of Amendment and for all matters to be
           voted upon incident thereto (collectively, the "Proposal"). In
           connection therewith, the Company will promptly prepare and file with
           the SEC proxy materials (including one or more proxy statements (as
           amended or supplemented, the "Proxy Statement") and form of proxy)
           for use at the Stockholders Meeting and, after receiving and promptly
           responding to any comments of the SEC thereon, shall promptly mail
           such proxy materials to the stockholders of the Company. The Company
           will comply with Section 14(a) of the Exchange Act and the rules
           promulgated thereunder in relation to any proxy statement and any
           form of proxy to be sent to the stockholders of the Company in
           connection with the Stockholders Meeting, and the Proxy Statement
           shall not, on the date the Proxy Statement (or any amendment thereof
           or supplement thereto) is first mailed to stockholders or at the time
           of the Stockholders Meeting, contain any statement that, at the time
           and in the light of the circumstances under which it is made, is
           false or misleading with respect to any material fact, or omits to
           state any material fact necessary in order to make the statements
           therein not false or misleading or necessary to correct any statement
           in any earlier communication with respect to the solicitation of a
           proxy for the Stockholders Meeting or the subject matter thereof
           which has become false or misleading. If the Company should discover
           at any time prior to the Closing Date any event relating to the
           Company or any of its Subsidiaries or any of their respective
           affiliates, officers or directors that is required to be set forth in
           a supplement or amendment to the Proxy Statement, in addition to the
           Company's obligations under the Exchange Act, the Company will
           promptly inform its stockholders thereof.

                     (ii) Subject to its fiduciary obligations under applicable
           law (as determined in good faith by the Company's Board of Directors,

                                       9
<PAGE>

           after having taken into account the written advice of the Company's
           outside counsel), the Company's Board of Directors shall recommend to
           the Company's stockholders (and not revoke or amend such
           recommendation) that the stockholders vote in favor of the Proposal
           and shall cause the Company to take all commercially reasonable
           action to solicit the Required Stockholder Approval. Whether or not
           the Company's Board of Directors determines at any time after the
           date hereof that, due to its fiduciary duties, it must revoke or
           amend its recommendation to the Company's stockholders, the Company
           is required to, and will take, in accordance with applicable law and
           its Certificate of Incorporation and Bylaws, all action necessary to
           convene the Stockholders Meeting as promptly as practicable to
           consider and vote upon the approval of the Proposal.

                     (iii)In the event that (x) the Company does not file the
           Proxy Statement within 15 business days following the date of this
           Agreement, (y) the Company fails to use its best efforts to cause the
           Stockholders Meeting to take place within 90 days following the date
           of this Agreement, or (z) the Company's Board of Directors has
           withdrawn or modified its recommendation to its stockholders pursuant
           to the provisions of Section 2.2(b)(ii), the Company shall pay to
           each Investor a cash penalty equal to 25% of the aggregate amount
           invested by such Investor at the Closing; provided, however, that,
           with respect to clause (y) above, no such penalty shall apply in the
           event that a delay beyond the 90th day arises out of review by the
           SEC as long as the Company continues to use its best efforts to cause
           the Stockholders Meeting to take place as soon as practicable.

                2.3. Validity of Securities. The issuance of the Securities has
      been duly authorized by all necessary corporate action on the part of the
      Company and, when issued to, delivered to, and paid for by the Investors
      in accordance with this Agreement, the Purchased Shares will be validly
      issued, fully paid and non-assessable.

                2.4. Underlying Shares. The issuance of (a) the Underlying
      Shares upon conversion of the Shares or the Series B Stock or exercise of
      the Exchange Warrants and (ii) the Warrant Shares upon exercise of the
      Purchased Warrants has been duly authorized. At all times prior to such
      exercise, the Series B Stock and, to the extent authorized under the
      Certificate of Incorporation, the Underlying Shares, will have been duly
      reserved for issuance upon such exercise and, in each case, when so
      issued, will be validly issued, fully paid and non-assessable.

                2.5. Private Offering. Neither the Company nor anyone acting on
      its behalf has within the last 12 months issued, sold or offered any
      security of the Company (including, without limitation, any Common Stock
      or warrants of similar tenor to the Purchased Warrants) to any Person
      under circumstances that would cause the issuance and sale of the
      Securities, as contemplated by this Agreement, to be subject to the
      registration requirements of the Securities Act of 1933, as amended (the
      "Securities Act"). The Company agrees that neither the Company nor anyone
      acting on its behalf will offer the Securities or any part thereof or any
      similar securities for issuance or sale to, or solicit any offer to
      acquire any of the same from, anyone so as to make the issuance and sale
      of the Securities subject to the registration requirements of Section 5 of
      the Securities Act.

                                       10
<PAGE>

                2.6. Brokers and Finders. Except as set forth in the Company
      Disclosure Letter or in this Section 2.6, neither the Company, nor any of
      its officers, directors, employees or stockholders, has employed any
      broker or finder. Pursuant to the Griffin Agreement, the Company shall pay
      to Griffin Securities, Inc. ("Griffin") a fee consisting of $50,000 in
      cash and warrants in substantially the same form as the Series B Warrants
      (A) to purchase an aggregate of 14,815 shares of Series A Stock at $27.00
      per share and (B) to purchase an aggregate of 7,407 shares of Series B
      Stock at $40.00 per share; and Griffin shall be a party to the Investor
      Rights Agreement.

                2.7. No Conflict; Required Filings and Consents.

                     (a) The execution, delivery and performance of the Griffin
           Agreement, the Waiver, this Agreement and the other Transaction
           Documents by the Company do not, and the consummation by the Company
           of the Contemplated Transactions will not, (i) conflict with or
           violate the Certificate of Incorporation (as to be amended by the
           Certificate of Amendment) or By-Laws of the Company or its
           Subsidiaries, (ii) conflict with or violate any law, rule,
           regulation, order, judgment or decree applicable to the Company or
           its Subsidiaries or by which any property or asset of the Company or
           its Subsidiaries is bound or affected or (iii) result in any breach
           of or constitute a default (or an event which with notice or lapse of
           time or both would become a default) under, result in the loss of a
           material benefit under, or give to others any right of purchase or
           sale, or any right of termination, amendment, acceleration, increased
           payments or cancellation of, or result in the creation of a lien or
           other encumbrance on any property or asset of the Company or of any
           of its Subsidiaries pursuant to, any note, bond, mortgage, indenture,
           contract, agreement, lease, license, permit, franchise or other
           instrument or obligation to which the Company or any of its
           Subsidiaries is a party or by which the Company or of any of its
           Subsidiaries or any property or asset of the Company or of any of its
           Subsidiaries is bound or affected; except, in the case of clauses
           (ii) and (iii) above, for any such conflicts, violations, breaches,
           defaults or other occurrences that would not prevent or delay
           consummation of any of the Contemplated Transactions in any material
           respect or otherwise prevent the Company from performing its
           obligations under the Griffin Agreement, the Waiver, this Agreement
           or any of the other Transaction Documents in any material respect,
           and would not, individually or in the aggregate, have a Material
           Adverse Effect.

                     (b) The execution and delivery of the Griffin Agreement,
           the Waiver, this Agreement and the other Transaction Documents by the
           Company do not, and the performance of the Griffin Agreement, the
           Waiver, this Agreement and the other Transaction Documents and the
           consummation by the Company of the Contemplated Transactions will
           not, require any consent, approval, authorization or permit of, or
           filing with or notification to, any Governmental Body (as hereinafter
           defined) except for the filing of a Form D with the Securities and

                                       11
<PAGE>

           Exchange Commission and the filing of the Proxy Statement and the
           filing of a Form 8-K and other applicable requirements, if any, of
           the Securities Exchange Act of 1934, as amended (the "Exchange Act")
           or any state securities or "blue sky" laws ("Blue Sky Laws"), any
           approval required by applicable rules of the markets in which the
           Company's securities are traded and any required filing of the Voting
           Agreement with the appropriate Governmental Body. For purposes of
           this Agreement, "Governmental Body" shall mean any: (a) nation,
           state, commonwealth, province, territory, county, municipality,
           district or other jurisdiction of any nature; (b) federal, state,
           local, municipal, foreign or other government; or (c) governmental or
           quasi-governmental authority of any nature (including any
           governmental division, department, agency, commission,
           instrumentality, official, organization, unit, body or entity and any
           court or other tribunal). Without limitation on the foregoing, the
           consummation of the Contemplated Transactions, with the exception of
           the Acquisition, does not require the approval of The Nasdaq Stock
           Market (or any related regulatory body) or, other than the Required
           Stockholder Approval, the stockholders of the Company.

                2.8. Compliance. Except as set forth in the Company Disclosure
      Letter, neither the Company nor any Subsidiary is in conflict with, or in
      default or violation of (i) any law, rule, regulation, order, judgment or
      decree applicable to the Company or such Subsidiary or by which any
      property or asset of the Company or such Subsidiary is bound or affected
      ("Legal Requirement") or (ii) any note, bond, mortgage, indenture,
      contract, agreement, lease, license, permit, franchise or other instrument
      or obligation to which the Company or such Subsidiary is a party or by
      which the Company or such Subsidiary or any property or asset of the
      Company or such Subsidiary is bound or affected (the "Material
      Agreements"), in each case except for any such conflicts, defaults or
      violations that would not, individually or in the aggregate, have a
      Material Adverse Effect. Neither the Company nor any Subsidiary has
      received any written notice or communication from any Governmental Body
      regarding any actual or possible violation of, or failure to comply with,
      any Legal Requirement.

                2.9. SEC Documents; Financial Statements.

                     (a) The information contained in the following documents
           did not, as of the date of the applicable document, include any
           untrue statement of a material fact or omit to state any material
           fact required to be stated therein or necessary to make the
           statements therein, in the light of the circumstances in which they
           were made, not misleading, as of their respective filing dates or, if
           amended, as so amended (the following documents, together with any
           other filings made by the Company with the SEC after the date of this
           Agreement prior to the Closing Date, collectively, the "SEC
           Documents"), provided that the representation in this sentence shall
           not apply to any misstatement or omission in any SEC Document filed
           prior to the date of this Agreement which was superseded by a
           subsequent SEC Document filed prior to the Closing Date:

                         (i)  the Company's Annual Report on Form 10-K for the
                year ended December 31, 2003;

                                       12
<PAGE>

                         (ii) the Company's definitive Proxy Statement with
                respect to its 2004 Annual Meeting of Stockholders, filed with
                the Commission on November 24, 2004;

                         (iii) the Company's Quarterly Reports on Form 10-Q for
                the quarters ended March 31, 2004, June 30, 2004 and September
                30, 2004; and

                         (iv) The Company's Current Reports on Form 8-K, filed
                with the Commission on February 3, 2004, February 6, 2004, March
                4, 2004, May 12, 2004, December 9, 2004 and December 16, 2004.

                     (b) In addition, as of the date of this Agreement and as of
           the Closing Date, the Company Disclosure Letter, when read together
           with the information, qualifications and exceptions contained in this
           Agreement, does not include any untrue statement of a material fact
           or omit to state any material fact necessary to make the statements
           therein, in the light of the circumstances in which they were made
           and the time period about which they were made, not misleading.

                     (c) The Company has filed all forms, reports and documents
           required to be filed by it with the SEC since December 31, 2000,
           including, without limitation, the SEC Documents. As of their
           respective dates, the SEC Documents have complied, and will have
           complied, as to form in all material respects with the applicable
           requirements of the Securities Act, the Exchange Act and the rules
           and regulations thereunder.

                     (d) The Company's Annual Report on Form 10-K for the year
           ended December 31, 2003 includes consolidated balance sheets as of
           December 31, 2002 and 2003 and consolidated statements of income for
           the one year periods then ended (collectively, the "Form 10-K
           Financial Statements").

                     (e) The Company's Quarterly Report on Form 10-Q for the
           quarter ended June 30, 2004, includes consolidated balance sheets as
           of June 30, 2004 and December 31, 2003 and consolidated statements of
           operations and comprehensive loss for the quarters ended June 30,
           2003 and 2004 and the six months ended June 30, 2003 and 2004 (the
           "June 30 Form 10-Q Financial Statements").

                     (f) The Company's Quarterly Report on Form 10-Q for the
           quarter ended March 31, 2004, includes consolidated balance sheets as
           of March 31, 2004 and December 31, 2003 and consolidated statements
           of operations and comprehensive loss for the quarters ended March 31,
           2003 and 2004, (the "March 31 Form 10-Q Financial Statements").

                     (g) The Company's Quarterly Report on Form 10-Q for the
           quarter ended September 30, 2004, includes consolidated balance
           sheets as of December 31, 2003 and September 30, 2004 and
           consolidated statements of operations and comprehensive loss for the

                                       13
<PAGE>

           quarters ended September 30, 2003 and September 30, 2004 and the nine
           months ended September 30, 2004 and September 30, 2003 (the
           "September 30 Form 10-Q Financial Statements" and together with the
           Form 10-K Financial Statements, the March 31 Form 10-Q Financial
           Statements and the June 30 Form 10-Q Financial Statements, the
           "Financial Statements").

                     (h) The Financial Statements (including the related notes
           and schedules thereto and all other financial information included in
           the SEC Documents) fairly present in all material respects the
           consolidated financial position, the results of operations, retained
           earnings or cash flows, as the case may be, of the Company for the
           periods set forth therein (subject, in the case of unaudited
           statements, to normal year-end audit adjustments that would not be
           material in amount or effect), in each case in accordance with
           generally accepted accounting principles consistently applied during
           the periods involved, except as may be noted therein.

                     (i) Any SEC Documents filed after the date of this
           Agreement and prior to the Closing Date will not, as of the date of
           the applicable document, include any untrue statement of a material
           fact or omit to state any material fact required to be stated therein
           or necessary to make the statements therein, in the light of the
           circumstances in which they were made, not misleading, as of their
           respective filing dates or, if amended, as so amended.

                2.10.Litigation. Except as set forth in the SEC Documents or the
      Company Disclosure Letter, there are no claims, actions, suits,
      investigations, inquiries or proceedings (each, an "Action") pending
      against the Company or any of its Subsidiaries or, to the knowledge of the
      Company, threatened against the Company or any of its Subsidiaries, at law
      or in equity, or before or by any court, tribunal, arbitrator, mediator or
      any federal or state commission, board, bureau, agency or instrumentality,
      that, individually or in the aggregate, would reasonably be expected to
      have a Material Adverse Effect. Neither the Company nor any of its
      Subsidiaries is a party to or subject to the provisions of any order,
      writ, injunction, judgment or decree of any court or government agency or
      instrumentality.

                2.11.Absence of Certain Changes. Except (i) as specifically
      contemplated by this Agreement or the Reorganization Agreement and related
      agreements and the transactions contemplated thereby, or (ii) as set forth
      in the Company Disclosure Letter, the SEC Documents, or the Financial
      Statements, since September 30, 2004, there has not been (a) any Material
      Adverse Change; (b) any return of any capital or other distribution of
      assets to stockholders of Company (except to Company); (c) except for the
      Acquisition, any acquisition (by merger, consolidation, acquisition of
      stock and/or assets or otherwise) of any Person; or (d) any transactions,
      other than in the ordinary course of business, consistent with past
      practices and reasonable business operations ("Ordinary Course of
      Business"), with any of its officers, directors, principal stockholders or
      employees or any Person affiliated with any of such persons.

                2.12.Proprietary Assets.

                                       14
<PAGE>

                     (a) For purposes of this Agreement, "Proprietary Assets"
           shall mean all right, title and interest of the Company and the
           Subsidiaries in and to the following items or types of property: (i)
           every patent, patent application, trademark (whether registered or
           unregistered), trademark application, trade name, fictitious business
           name, service mark (whether registered or unregistered), service mark
           application, copyright (whether registered or unregistered),
           copyright application, maskwork, maskwork application, trade secret,
           know-how, customer list, franchise, system, computer software,
           computer program, invention, design, blueprint, engineering drawing,
           proprietary product, technology, proprietary right or other
           intellectual property right or intangible asset other than goodwill;
           and (ii) all licenses and other rights to use or exploit any of the
           foregoing.

                     (b) Except as set forth in the Company Disclosure Letter,
           the Company or its Subsidiaries have good, valid and marketable title
           to each of the Proprietary Assets as owned by it, free and clear of
           all liens and other encumbrances; has a valid right to use all
           Proprietary Assets of third parties; and is not obligated to make any
           payment to any Person for the use of any Proprietary Asset except as
           set forth in the applicable license agreement. Except as set forth in
           the Company Disclosure Letter, neither the Company nor any of its
           Subsidiaries has developed jointly with any other Person any material
           Proprietary Asset with respect to which such other Person has any
           rights.

                     (c) Each of the Company and its Subsidiaries has taken
           commercially reasonable and customary measures and precautions to
           protect and maintain the confidentiality and secrecy of all
           Proprietary Assets of the Company and its Subsidiaries (except
           Proprietary Assets whose value would be unimpaired by public
           disclosure) and otherwise to maintain and protect the value of all
           Proprietary Assets of the Company and its Subsidiaries. Except as set
           forth in the Company Disclosure Letter, neither the Company nor any
           of its Subsidiaries has (other than pursuant to license agreements
           identified in the Company Disclosure Letter) disclosed or delivered
           to any Person, or permitted the disclosure or delivery to any Person
           of, (i) the source code, or any portion or aspect of the source code,
           of any Proprietary Asset, (ii) the object code, or any portion or
           aspect of the object code, of any Proprietary Asset of the Company
           and its Subsidiaries, except in the ordinary course of its business
           or (iii) any patent applications (except as required by law).

                     (d) To the knowledge of the Company, (i) none of the
           Proprietary Assets of the Company and its Subsidiaries infringes or
           conflicts with any Proprietary Asset owned or used by any other
           Person; (ii) neither the Company nor any Subsidiary is infringing,
           misappropriating or making any unlawful use of any Proprietary Asset
           owned or used by any other Person; and (iii) no other Person is
           infringing, misappropriating or making any unlawful use of, and no
           Proprietary Asset owned or used by any other Person infringes or
           conflicts with, any Proprietary Asset of the Company or any of its
           Subsidiaries.

                     (e) Except as set forth in the Company Disclosure Letter,
           excluding warranty claims received by Company or any of its

                                       15
<PAGE>

           Subsidiaries in the ordinary course of business, there has not been
           any claim by any customer or other Person alleging that any
           Proprietary Asset of the Company or any of its Subsidiaries
           (including each version thereof that has ever been licensed or
           otherwise made available by the Company to any Person) does not
           conform in all material respects with any specification,
           documentation, performance standard, representation or statement made
           or provided by or on behalf of the Company.

                     (f) To the knowledge of the Company, the Proprietary Assets
           of the Company and its Subsidiaries constitute all the Proprietary
           Assets necessary to enable the Company and its Subsidiaries to
           conduct their respective businesses in the manner in which such
           businesses have been and are being conducted. Except as set forth in
           the Company Disclosure Letter, (i) neither the Company nor any
           Subsidiary has licensed any of its Proprietary Assets to any Person
           on an exclusive, semi-exclusive or royalty-free basis and (ii)
           neither the Company nor any Subsidiary has entered into any covenant
           not to compete or contract limiting such entity's ability to exploit
           fully any of such entity's material Proprietary Assets or to transact
           business in any material market or geographical area or with any
           Person.

                     (g) Except as set forth in the Company Disclosure Letter,
           neither the Company nor any of its Subsidiaries has at any time
           received any notice or other communication (in writing or otherwise)
           of any actual, alleged, possible or potential infringement,
           misappropriation or unlawful use of, any Proprietary Asset owned or
           used by any other Person.

                2.13.No Adverse Actions. Except as set forth in the Company
      Disclosure Letter, there is no existing, pending or, to the knowledge of
      the Company, threatened termination, cancellation, limitation,
      modification or change in the business relationship of the Company or any
      of its Subsidiaries, with any supplier, customer or other Person except
      such as would not reasonably be expected, individually or in the
      aggregate, to have a Material Adverse Effect.

                2.14 Registration Rights. Except as set forth in the Investor
      Rights Agreement, the SEC Documents, or in the Company Disclosure Letter,
      the Company is not under any obligation to register under the Securities
      Act any of its currently outstanding securities or any securities issuable
      upon exercise or conversion of its currently outstanding securities nor is
      the Company obligated to register or qualify any such securities under any
      state securities or blue sky laws.

                2.15.Corporate Documents. The Company's Certificate of
      Incorporation and Bylaws, each as amended to date and prior to the Closing
      Date, which have been requested and previously provided to the Investors
      are true, correct and complete and contain all amendments thereto.

                2.16.Disclosure. No representation or warranty of the Company
      herein, no exhibit or schedule hereto, and no information contained or
      referenced in the SEC Documents, when read together, contains or will

                                       16
<PAGE>

      contain any untrue statement of a material fact or omits or will omit to
      state a material fact necessary in order to make the statements contained
      herein or therein, in light of the circumstances under which they were
      made, not misleading. On or before 9:00 a.m., New York City Time, on the
      third business day after the Closing Date, the Company shall file a
      Current Report on Form 8-K describing the material terms of the
      transactions contemplated by this Agreement, and disclosing such portions
      of the Griffin Agreement, the Waiver and the other Transaction Documents
      as contain material nonpublic information with respect to the Company that
      has not previously been publicly disclosed by the Company, and attaching
      as an exhibit to such Form 8-K a form of this Agreement. Except for
      information that may be provided to the Investors pursuant to this
      Agreement, the Company shall not, and shall use commercially reasonable
      efforts to cause each of its officers, directors, employees and agents not
      to, provide any Investor with any material nonpublic information regarding
      the Company from and after the filing of such Form 8-K without the express
      prior consent of such Investor. Notwithstanding the foregoing, this
      prohibition shall not extend to information received by Hirschman in the
      normal course of the performance of Hirschman's financial advisory and
      other services to the Company.

                2.17.Use of Proceeds. The net proceeds received by the Company
      from the sale of the Securities shall be used by the Company for working
      capital and general corporate purposes, including without limitation to
      support the operations, if any, of each of the Subsidiaries.

           3. Representations and Warranties of the Investors. Each Investor
represents and warrants to the Company as follows:

                3.1. Authorization. Such Investor (a) has full power and
      authority to execute, deliver and perform this Agreement and the other
      Transaction Documents to which it is a party and to incur the obligations
      herein and therein and (b) if applicable has been authorized by all
      necessary corporate or equivalent action to execute, deliver and perform
      this Agreement and the other Transaction Documents and to consummate the
      Contemplated Transactions. Each of this Agreement and the other
      Transaction Documents is a valid and binding obligation of such Investor
      enforceable in accordance with its terms, except as limited by applicable
      bankruptcy, reorganization, insolvency, moratorium or similar laws
      affecting the enforcement of creditors' rights and the availability of
      equitable remedies (regardless of whether such enforceability is
      considered in a proceeding at law or equity).

                3.2. Brokers and Finders. Such Investor has not retained any
      investment banker, broker or finder in connection with the Contemplated
      Transactions.

           4. Securities Laws.

                4.1. Securities Laws Representations and Covenants of Investors.

                     (a) This Agreement is made with each Investor in reliance
           upon such Investor's representation to the Company, which by such
           Investor's execution of this Agreement such Investor hereby confirms,

                                       17
<PAGE>

           that the Securities to be received by such Investor will be acquired
           for investment for such Investor's own account, not as a nominee or
           agent, and not with a view to the resale or distribution of any part
           thereof such that such Investors would constitute an "underwriter"
           under the Securities Act; provided that this representation and
           warranty shall not limit the Investor's right to sell the Underlying
           Shares pursuant to the Investor Rights Agreement or in compliance
           with an exemption from registration under the Securities Act or the
           Investor's right to indemnification under this Agreement or the
           Investor Rights Agreement.

                     (b) Each Investor understands and acknowledges that the
           offering of the Securities pursuant to this Agreement will not be
           registered under the Securities Act or qualified under any Blue Sky
           Laws, on the grounds that the offering and sale of the Securities are
           exempt from registration and qualification, respectively, under the
           Securities Act and the Blue Sky Laws.

                     (c) Each Investor covenants that, unless the Purchased
           Shares, the Purchased Warrants, the Exchange Warrants, the Underlying
           Shares or any other shares of capital stock of the Company received
           in respect of the foregoing have been registered pursuant to the
           Investor Rights Agreement being entered into among the Company and
           the Investors, such Investor will not dispose of such securities
           unless and until such Investor shall have notified the Company of the
           proposed disposition and shall have furnished the Company with an
           opinion of counsel reasonably satisfactory in form and substance to
           the Company to the effect that (i) such disposition will not require
           registration under the Securities Act and (ii) appropriate action
           necessary for compliance with the Securities Act and any applicable
           state, local or foreign law has been taken; provided, however, that
           an investor may dispose of such securities without providing the
           opinion referred to above if the Company has been provided with
           adequate assurance that such disposition has been made in compliance
           with Rule 144 under the Securities Act (or any similar rule).

                     (d) Each Investor represents that: (i) such Investor has
           such knowledge and experience in financial and business matters as to
           be capable of evaluating the merits and risks of such Investor's
           prospective investment in the Securities; (ii) such Investor has the
           ability to bear the economic risks of such Investor's prospective
           investment and can afford the complete loss of such investment; (iii)
           such Investor has been furnished with and has had access to such
           information as is in the Company Disclosure Letter together with the
           opportunity to obtain such additional information as it requested to
           verify the accuracy of the information supplied; and (iv) such
           Investor has had access to officers of the Company and an opportunity
           to ask questions of and receive answers from such officers and has
           had all questions that have been asked by such Investor
           satisfactorily answered by the Company.

                     (e) Each Investor further represents by execution of this
           Agreement that such Investor qualifies as an "accredited investor" as

                                       18
<PAGE>

           such term is defined under Rule 501 promulgated under the Securities
           Act. Any Investor that is a corporation, a partnership, a limited
           liability company, a trust or other business entity further
           represents by execution of this Agreement that it has not been
           organized for the purpose of purchasing the Securities.

                     (f) By acceptance hereof, each Investor agrees that the
           Purchased Shares, the Purchased Warrants, the Exchange Warrants, the
           Underlying Shares and any shares of capital stock of the Company
           received in respect of the foregoing held by it may not be sold by
           such Investor without registration under the Securities Act or an
           exemption therefrom, and therefore such Investor may be required to
           hold such securities for an indeterminate period.

                4.2. Legends. All certificates for the Purchased Shares,
      Purchased Warrants, Exchange Warrants and the Underlying Shares, and each
      certificate representing any shares of capital stock of the Company
      received in respect of the foregoing, whether by reason of a stock split
      or share reclassification thereof, a stock dividend thereon or otherwise
      and each certificate for any such securities issued to subsequent
      transferees of any such certificate (unless otherwise permitted herein)
      shall bear the following legend:

             "THE SECURITIES REPRESENTED BY THIS INSTRUMENT HAVE BEEN ACQUIRED
          FOR INVESTMENT AND HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT
          OF 1933. SUCH SECURITIES MAY NOT BE SOLD OR TRANSFERRED IN THE ABSENCE
          OF REGISTRATION OR AN EXEMPTION THEREFROM UNDER SAID ACT."

           5. Additional Covenants of the Company.

                5.1. Reports, Information, Authorization of Sufficient Shares.

                     (a) The Company shall cooperate with each Investor in
           supplying such information as may be reasonably requested by such
           Investor to complete and file any information reporting forms
           presently or hereafter required by the SEC as a condition to the
           availability of an exemption, presently existing or hereafter
           adopted, from the Securities Act for the sale of any of the Purchased
           Shares, the Purchased Warrants, the Exchange Warrants, the Underlying
           Shares and shares of capital stock of the Company received in respect
           of the foregoing.

                     (b) For so long as an Investor (or the successor or assign
           of such Investor) holds either Securities or Underlying Shares, the
           Company shall deliver to such Investor (or the successor or assign of
           such Investor), contemporaneously with delivery to other holders of
           Common Stock, a copy of each report of the Company delivered to
           holders of Common Stock.

                     (c) Upon receiving the Required Stockholder Approval and at
           every time thereafter, the Company shall keep reserved for issuance a

                                       19
<PAGE>

           sufficient number of authorized but unissued shares of Series B Stock
           and Common Stock (or other securities into which the Series A Stock
           or Series B Stock are convertible or for which the Purchased Warrants
           and Exchange Warrants, respectively, are then exercisable) so that
           the Shares, the Series B Stock, the Purchased Warrants and the
           Exchange Warrants may be converted or exercised to purchase Series B
           Stock or Common Stock, as applicable (or such other securities).

                5.2. Expenses; Indemnification.

                     (a) The Company agrees to pay on each Closing Date and hold
           the Investors harmless against liability for the payment of, any
           stamp or similar taxes (including interest and penalties, if any)
           that may be determined to be payable in respect of the execution and
           delivery of this Agreement, the issue and sale of any Securities,
           Series B Stock and Underlying Shares, the expense of preparing and
           issuing the Securities, Series B Stock and Underlying Shares, the
           cost of delivering the Securities, Series B Stock and Underlying
           Shares of each Investor to such Investor's address, insured in
           accordance with customary practice, and the costs and expenses
           incurred in the preparation of all certificates and letters on behalf
           of the Company and of the Company's performance and compliance with
           all agreements and conditions contained herein on its part to be
           performed or complied with. Each Investor shall be responsible for
           its out-of-pocket expenses arising in connection with the
           Contemplated Transactions, except that, at the Closing, the Company
           shall pay fees and disbursements of counsel to the Investors as set
           forth in Section 6.9.

                     (b) The Company hereby agrees and acknowledges that the
           Investors have been induced to enter into this Agreement and to
           purchase the Securities hereunder, in part, based upon the
           representations, warranties and covenants of the Company contained
           herein. The Company hereby agrees to pay, indemnify and hold harmless
           the Investors and any director, officer, partner, member, employee or
           other affiliate of any Investor against all claims, losses and
           damages resulting from any and all legal or administrative
           proceedings, including without limitation, reasonable attorneys' fees
           and expenses incurred in connection therewith (collectively, "Loss"),
           resulting from a breach by the Company of any representation or
           warranty of the Company contained herein or the failure of the
           Company to perform any covenant made herein; provided that the
           Company's liability under this Section 5.2(b) shall be limited to the
           aggregate purchase price of the Securities.

                     (c) As soon as reasonably practicable after receipt by an
           Investor of notice of any Loss in respect of which the Company may be
           liable under this Section 5.2, the Investor shall give notice thereof
           to the Company. Each Investor may, at its option, claim indemnity
           under this Section 5.2 as soon as a claim has been threatened by a
           third party, regardless of whether an actual Loss has been suffered,
           so long as counsel for such Investor shall in good faith determine
           that such claim is not frivolous and that such Investor may be liable
           or otherwise incur a Loss as a result thereof and shall give notice
           of such determination to the Company. Each Investor shall permit the
           Company, at the Company's option and expense, to assume the defense

                                       20
<PAGE>

           of any such claim by counsel mutually and reasonably satisfactory to
           the Company and the Investors who are subject to such claim, and to
           settle or otherwise dispose of the same; provided, however, that each
           Investor may at all times participate in such defense at such
           Investor's expense; and provided, further, that the Company shall
           not, in defense of any such claim, except with the prior written
           consent of each Investor subject to such claim, (i) consent to the
           entry of any judgment that does not include as an unconditional term
           thereof the giving by the claimant or plaintiff in question to each
           Investor and its affiliates of a release of all liabilities in
           respect of such claims or (ii) consent to any settlement of such
           claim. If the Company does not promptly assume the defense of such
           claim irrespective of whether such inability is due to the inability
           of the afore-described Investors and the Company to mutually agree as
           to the choice of counsel, or if any such counsel is unable to
           represent one or more of the Investors due to a conflict or potential
           conflict of interest, then an Investor may assume such defense and be
           entitled to indemnification and prompt reimbursement from the Company
           for such Investor's costs and expenses incurred in connection
           therewith, including without limitation, reasonable attorneys' fees
           and expenses. Such fees and expenses shall be reimbursed to the
           Investors as soon as practicable after submission of invoices to the
           Company.

                     (d) The Company shall maintain the effectiveness of the
           Registration Statement (as defined in the Investor Rights Agreement)
           under the Securities Act for as long as is required under the
           Investor Rights Agreement.

           6. Miscellaneous.

                6.1. Entire Agreement; Successors and Assigns. This Agreement
      and the other Transaction Documents constitute the entire contract between
      the parties relative to the subject matter hereof and thereof, and no
      party shall be liable or bound to the other in any manner by any
      warranties, representations or covenants except as specifically set forth
      herein or therein. This Agreement and the other Transaction Documents
      supersede any previous agreement among the parties with respect to the
      Securities. The terms and conditions of this Agreement shall inure to the
      benefit of and be binding upon the respective executors, administrators,
      heirs, successors and assigns of the parties. Except as expressly provided
      herein, nothing in this Agreement, expressed or implied, is intended to
      confer upon any party, other than the parties hereto, any rights,
      remedies, obligations or liabilities under or by reason of this Agreement.

                6.2. Survival of Representations and Warranties. Notwithstanding
      any right of the Investors fully to investigate the affairs of the Company
      and notwithstanding any knowledge of facts determined or determinable by
      any Investor pursuant to such right of investigation, each Investor has
      the right to rely fully upon the representations, warranties, covenants
      and agreements of the Company contained in this Agreement or in any
      documents delivered pursuant to this Agreement. All such representations
      and warranties of the Company shall survive the execution and delivery of
      this Agreement and the Closing hereunder and shall continue in full force
      and effect for one year after the Closing. The covenants of the Company
      set forth in Section 5 shall remain in effect as set forth therein.

                                       21
<PAGE>

                6.3. Governing Law; Jurisdiction. This Agreement shall be
      governed by and construed in accordance with the laws of the State of New
      York without regard to principles of conflicts of law. Each party hereby
      irrevocably consents and submits to the jurisdiction of any New York State
      or United States Federal Court sitting in the State of New York, County of
      New York, over any action or proceeding arising out of or relating to this
      Agreement and irrevocably consents to the service of any and all process
      in any such action or proceeding by registered mail addressed to such
      party at its address specified in Section 6.6 (or as otherwise noticed to
      the other party). Each party further waives any objection to venue in New
      York and any objection to an action or proceeding in such state and county
      on the basis of forum non conveniens. Each party also waives any right to
      trial by jury.

                6.4. Counterparts. This Agreement may be executed in two or more
      counterparts, each of which shall be deemed an original, but all of which
      together shall constitute one and the same instrument.

                6.5. Headings. The headings of the sections of this Agreement
      are for convenience and shall not by themselves determine the
      interpretation of this Agreement.

                6.6. Notices. Any notice required or permitted hereunder shall
      be given in writing and shall be deemed effectively given upon personal
      delivery, delivery by fax (with answer back confirmed), addressed to a
      party at its address or sent to the fax number shown below or at such
      other address or fax number as such party may designate by three days
      advance notice to the other party.

      Any notice to the Investors shall be sent to the addresses set forth on
      the signature pages hereof, with a copy to:

          Hahn & Hessen LLP
          488 Madison Avenue
          New York, New York 10022
          Attention:  James Kardon
          Fax Number:  (212) 478-7400

      Any notice to the Company shall be sent to:

          GraphOn Corporation
          3130 Winkle Avenue
          Santa Cruz, California 95065
          Attention:  William Swain
          Fax Number:  (831) 475-3017

              with a copy to:

          Cooley Godward LLP

                                       22
<PAGE>

          One Maritime Plaza, 20th Floor
          San Francisco, CA 94111-3580
          Attention: Kenneth Guernsey
          Fax: 415-951-3699

                6.7. Rights of Transferees. Any and all rights and obligations
      of each of the Investors herein incident to the ownership of Securities or
      the Underlying Shares shall pass successively to all subsequent
      transferees of such securities until extinguished pursuant to the terms
      hereof.

                6.8. Severability. Whenever possible, each provision of this
      Agreement shall be interpreted in such a manner as to be effective and
      valid under applicable law, but if any provision of this Agreement shall
      be deemed prohibited or invalid under such applicable law, such provision
      shall be ineffective to the extent of such prohibition or invalidity, and
      such prohibition or invalidity shall not invalidate the remainder of such
      provision or any other provision of this Agreement.

                6.9. Expenses. Irrespective of whether any Closing is effected,
      the Company shall pay all costs and expenses that it incurs with respect
      to the negotiation, execution, delivery and performance of this Agreement.
      Each Investor shall be responsible for all costs incurred by such Investor
      in connection with the negotiation, execution, delivery and performance of
      this Agreement including, but not limited to, legal fees and expenses,
      except that the Company shall pay at the Closing the reasonable legal fees
      and expenses of Hahn & Hessen LLP (the "Legal Fee"), as counsel to the
      Investors, and shall pay additional legal expenses of the Investors
      relating to this Offering as incurred. Hirschman may, at his option,
      deduct the Legal Fee from the purchase price paid to the Company for his
      Securities for payment to Hahn & Hessen LLP.

                6.10.Amendments and Waivers. Unless a particular provision or
      section of this Agreement requires otherwise explicitly in a particular
      instance, any provision of this Agreement may be amended and the
      observance of any provision of this Agreement may be waived (either
      generally or in a particular instance and either retroactively or
      prospectively), only with the written consent of the Company and the
      holders of 75% of the Purchased Shares (not including for this purpose any
      Purchased Shares that have been sold to the public pursuant to a
      registration statement under the Securities Act or an exemption
      therefrom). Any amendment or waiver effected in accordance with this
      Section 6.10 shall be binding upon each holder of any Securities at the
      time outstanding (including securities into which such Securities are
      convertible), each future holder of all such Securities, and the Company.

              [REMAINDER OF PAGE INTENTIONALLY BLANK]

                                       23
<PAGE>

                                 SIGNATURE PAGE
                                       TO
                               GRAPHON CORPORATION
                             SUBSCRIPTION AGREEMENT
                             Dated February 2, 2005

      IF the PURCHASER is an INDIVIDUAL, please complete the following:

      IN WITNESS WHEREOF, the undersigned has executed this Agreement this 2nd
day of February, 2005.

Amount of Subscription:
$                                   ___________________________________
 -----------
                                    Print Name

Number of Units to be Purchased:
           , including              ___[SIGNATURES ON FILE]__________
------------                        ---------------------------------
__________ Purchased Shares and     Signature of Investor
related Purchased Warrants

                                    -----------------------------------
                                    Social Security Number

                                    -----------------------------------
                                    Address and Fax Number

                                    -----------------------------------
                                    E-mail Address

ACCEPTED AND AGREED:

GRAPHON CORPORATION

By:   /S/ WILLIAM SWAIN
   ----------------------------
Dated: February 2, 2005

                                       24
<PAGE>

                                 SIGNATURE PAGE
                                       TO
                               GRAPHON CORPORATION
                             SUBSCRIPTION AGREEMENT
                             Dated February 2, 2005

      IF the INTERESTS will be held as JOINT TENANTS, as TENANTS IN COMMON, or
as COMMUNITY PROPERTY, please complete the following:

      IN WITNESS WHEREOF, the undersigned has executed this Agreement this 2nd
day of February, 2005.

Amount of Subscription:             ___________________________________
$                                   Print Name of Purchaser
 -----------

Number of Units to be Purchased:    ___[SIGNATURES ON FILE]__________
                                    ---------------------------------
           , including              Signature of a Purchaser
_____________ Purchased Shares and
related Purchased Warrants
                                    -----------------------------------
                                    Social Security Number

                                    -----------------------------------
                                    Print Name of Spouse or Other
                                    Purchaser

                                    -----------------------------------
                                    Signature of Spouse or Other
                                    Purchaser

                                    -----------------------------------
                                    Social Security Number

                                    -----------------------------------
                                    Address

                                    -----------------------------------
                                    Fax Number

                                    ------------------------------------
                                    E-mail Address
ACCEPTED AND AGREED:

GRAPHON CORPORATION

By:   /S/ WILLIAM SWAIN
   ----------------------------
Dated: February 2, 2005

                                       25
<PAGE>

                                 SIGNATURE PAGE
                                       TO
                               GRAPHON CORPORATION
                             SUBSCRIPTION AGREEMENT
                             Dated February 2, 2005

      IF the PURCHASER is a PARTNERSHIP, CORPORATION, LIMITED LIABILITY COMPANY,
TRUST or OTHER ENTITY, please complete the following:

      IN WITNESS WHEREOF, the undersigned has executed this Agreement this 2nd
day of February, 2005.

Number of Units to be Purchased:
           , including
_____________ Purchased Shares and
related Purchased Warrants

                                    ----------------------------------
                                    Print Full Legal Name of Partnership,
                                    Company, Limited Liability
                                    Company, Trust or Other Entity

                                         By: ___[SIGNATURES ON FILE]________
                                                (Authorized Signatory)
                                    Name:
                                    --------------------------------
                                    Title:
                                    ---------------------------------
                                    Address and Fax Number:

                                    -----------------------------------

                                    Taxpayer Identification Number: ----------
           Date and State of Incorporation or Organization:
                                                            ------------------
           Date on which Taxable Year Ends:
                                            ------------------------------

                                    E-mail Address:  ------------------------

ACCEPTED AND AGREED:

GRAPHON CORPORATION

By:   /S/ WILLIAM SWAIN
   ---------------------
Dated: February 2, 2005

                                       26
<PAGE>

                                 Schedule 1.1(b)

                                   INVESTORS

Name                          Purchased    Purchased       Total
                                Shares      Warrants     Purchase
                                                           Price
---------------------------------------------------------------------
Hershel Berkowitz
                             6,667        3,333         $180,009
---------------------------------------------------------------------
Paul Packer                  3,704        1,852         $100,008
---------------------------------------------------------------------
Globis Capital Partners      11,111       5,555         $299,997
---------------------------------------------------------------------
Globis Overseas Fund Ltd.    3,704        1,852         $100,008
---------------------------------------------------------------------
Richard Grossman             1,852        926           $50,004
---------------------------------------------------------------------
Joshua Hirsch                1,852        926           $50,004
---------------------------------------------------------------------
James Kardon                   589        294           $15,903
---------------------------------------------------------------------
AIGH Investment Partners,
LLC                          30,368       15,184        $819,936
---------------------------------------------------------------------
IDT Capital, Inc.            37,037       18,518        $999,999
---------------------------------------------------------------------
The Hewlett Fund             2,777        1,388         $ 74,979
---------------------------------------------------------------------
Dr. Jack Dodick              5,897        2,948         $159,219
---------------------------------------------------------------------
Spira Family Investment
Partnership                  2,778        1,389         $ 75,006
---------------------------------------------------------------------
Fame Associates              2,778        1,389         $ 75,006
---------------------------------------------------------------------
Cam Co                       9,259        4,629         $249,993
---------------------------------------------------------------------
Anfel Trading Limited        12,962       6,481         $349,974
---------------------------------------------------------------------
Ganot Corporation            5,556        2,778         $150,012
---------------------------------------------------------------------
Mazel D&K, Inc.              7,407        3,703         $199,989
---------------------------------------------------------------------
F. Lyon Polk III               740          370           $19,980
---------------------------------------------------------------------
Paul Tramontano                740          370           $19,980
---------------------------------------------------------------------
SLAM Partners                  370          185           $9,990
---------------------------------------------------------------------
                             148,148      74,070        $3,999,996
---------------------------------------------------------------------

                                       27
<PAGE>

EXHIBITS AND SCHEDULES TO THE UNIT SUBSCRIPTION AGREEMENT

Schedule 1.1(b) Investors
Exhibit 1A:     Form of Purchased Warrants
Exhibit 1B:     Form of Exchange Warrants
Exhibit 1C      Form of Certificate of Designations for Series A Stock and
                Series B Stock
Exhibit 2:      Form of Investor Rights Agreement
Exhibit 3:      Form of Amendment to Financial Advisory Agreement
Exhibit 4:      Legal Opinion
Exhibit 5:      [Reserved]
Exhibit 6:      Waiver
Exhibit 7:      Voting Agreement

                                       28
<PAGE>

Exhibit 1A:          Form of Purchased Warrants

[See Exhibit 4.1 to the Current Report on Form 8-K to which this Unit
Subscription Agreement is attached]

                                       29
<PAGE>

Exhibit 1B:          Form of Exchange Warrants

Void after January xx, 2010                                Warrant No. ________

                This Warrant and any shares acquired upon the exercise of this
          Warrant have not been registered under the Securities Act of 1933.
          This Warrant and such shares may not be sold or transferred in the
          absence of such registration or an exemption therefrom under said Act.
          This Warrant and such shares may not be transferred except upon the
          conditions specified in this Warrant, and no transfer of this Warrant
          or such shares shall be valid or effective unless and until such
          conditions shall have been complied with.

                               GRAPHON CORPORATION

                          COMMON STOCK PURCHASE WARRANT

          GraphOn Corporation (the "Company"), having its principal office at
3130 Winkle Avenue, Santa Cruz, California 95065, hereby certifies that, for
value received, _____________, or assigns, is entitled, subject to the terms set
forth below, to purchase from the Company at any time on or from time to time
after _________ __, 2005 and before 5:00 P.M., New York City time, on January__,
2010, or as extended in accordance with the terms hereof (the "Expiration
Date"), ______________ fully paid and non-assessable shares of Common Stock of
the Company, at the initial Purchase Price per share (as defined below) of
$0.40. The number and character of such shares of Common Stock and the Purchase
Price per share are subject to adjustment as provided herein.

      Background. The Company agreed to issue warrants to purchase an aggregate
of 8,148,100 shares of Common Stock (subject to adjustment as provided herein)
(the "Warrants"), each Warrant entitling the Holder thereof to purchase one
share of Common Stock in exchange for the Series B Participating Convertible
Preferred Stock Purchase Warrants issued January __, 2010 in connection with a
private placement of the Company's Units (the "January Offering").

          As used herein the following terms, unless the context otherwise
requires, have the following respective meanings:

          The term "Company" includes the Company and any corporation which
shall succeed to or assume the obligations of the Company hereunder. The term
"corporation" shall include an association, joint stock company, business trust,

                                       30
<PAGE>

limited liability company or other similar organization.

           The term "Common Stock" includes all stock of any class or classes
(however designated) of the Company, authorized upon the Original Issue Date or
thereafter, the Holders of which shall have the right, without limitation as to
amount, either to all or to a share of the balance of current dividends and
liquidating dividends after the payment of dividends and distributions on any
shares entitled to preference, and the Holders of which shall ordinarily, in the
absence of contingencies, be entitled to vote for the election of a majority of
directors of the Company (even though the right so to vote has been suspended by
the happening of such a contingency).

           The term "Convertible Securities" means (i) options to purchase or
rights to subscribe for Common Stock, (ii) securities by their terms convertible
into or exchangeable for Common Stock or (iii) options to purchase or rights to
subscribe for such convertible or exchangeable securities.

           The term "Exchange Act" means the Securities Exchange Act of 1934 as
the same shall be in effect at the time.

           "Excluded Stock" shall mean (i) all shares of Common Stock issued or
issuable to employees, directors or consultants pursuant to any equity
compensation plan that is in effect on the date of this Agreement, (ii) all
shares of Common Stock issued or issuable to employees or directors pursuant to
any equity compensation approved by the stockholders of the Company after the
date of this Agreement, (iii) all shares of Common Stock issued or issuable to
employees, directors or consultants in the form of a hiring bonus, (iv) the
warrants issued to Griffin Securities Inc. ("Griffin") on the date hereof, (iv)
all shares of Common Stock issued or issuable to bona fide leasing companies,
strategic partners, or major lenders, (v) all shares of Common Stock issued or
issuable as the purchase price in a bona fide acquisition or merger (including
reasonable fees paid in connection therewith), or (vi) all shares of Common
Stock issued upon conversion or exercise of the Purchased Warrants or other
Convertible Securities outstanding on the date hereof.

          "Fair Market Value" of assets or securities (other than Common Stock)
shall mean the fair market value as reasonably determined by the Board of
Directors of the Company in good faith in accordance with generally accepted
accounting principles.

           The term "Holder" means any record owner of Warrants or Underlying
Securities.

           The "Original Issue Date" means __________ __, 2005.

           The term "Other Securities" refers to any stock (other than Common
Stock) and other securities of the Company or any other person (corporate or
otherwise) which the Holders of the Warrants at any time shall be entitled to
receive, or shall have received, upon the exercise of the Warrants, in lieu of
or in addition to Common Stock, or which at any time shall be issuable or shall
have been issued in exchange for or in replacement of Common Stock or Other
Securities pursuant to Section 6 or otherwise.

                                       31
<PAGE>

           The term "Purchase Price per share" means $0.40 per share, as
adjusted from time to time in accordance with the terms hereof.

           The terms "registered" and "registration" refer to a registration
effected by filing a registration statement in compliance with the Securities
Act, to permit the disposition of Common Stock (or Other Securities) issued or
issuable upon the exercise of Warrants, and any post-effective amendments and
supplements filed or required to be filed to permit any such disposition.

           The term "Securities Act" means the Securities Act of 1933 as the
same shall be in effect at the time.

           The term "Underlying Securities" means any Common Stock or Other
Securities issued or issuable upon exercise of Warrants.

           The term "Warrant" means, as applicable, this Warrant or each right
as set forth in this Warrant to purchase one share of Common Stock, as adjusted.

           1. Registration, etc. The Holder shall have the rights to
registration of Underlying Securities issuable upon exercise of the Warrants
that are set forth in the Investor Rights Agreement, dated January __, 2005,
between the Company and the Holder (the "Investor Rights Agreement").

           2. Sale or Exercise Without Registration. If, at the time of any
exercise, transfer or surrender for exchange of a Warrant or of Underlying
Securities previously issued upon the exercise of Warrants, such Warrant or
Underlying Securities shall not be registered under the Securities Act, the
Company may require, as a condition of allowing such exercise, transfer or
exchange, that the Holder or transferee of such Warrant or Underlying
Securities, as the case may be, furnish to the Company an opinion of counsel,
reasonably satisfactory to the Company, to the effect that such exercise,
transfer or exchange may be made without registration under the Securities Act,
provided that the disposition thereof shall at all times be within the control
of such Holder or transferee, as the case may be, and provided further that
nothing contained in this Section 2 shall relieve the Company from complying
with any request for registration pursuant to the Investor Rights Agreement.

           3. Exercise of Warrant.

                3.1.Exercise in Full. Subject to the provisions hereof, this
      Warrant may be exercised in full by the Holder hereof by surrender of this
      Warrant, with the form of subscription at the end hereof duly executed by
      such Holder, to the Company at its principal office accompanied by
      payment, in cash or by certified or official bank check payable to the
      order of the Company, in the amount obtained by multiplying the number of
      shares of Common Stock issuable upon exercise of this Warrant by the
      Purchase Price per share, after giving effect to all adjustments through
      the date of exercise.

                                       32
<PAGE>

                3.2. Partial Exercise. Subject to the provisions hereof, this
      Warrant may be exercised in part by surrender of this Warrant in the
      manner and at the place provided in Section 3.1 except that the amount
      payable by the Holder upon any partial exercise shall be the amount
      obtained by multiplying (a) the number of shares of Common Stock (without
      giving effect to any adjustment therein) designated by the Holder in the
      subscription at the end hereof by (b) the Purchase Price per share. Upon
      any such partial exercise, the Company at its expense will forthwith issue
      and deliver to or upon the order of the Holder hereof a new Warrant or
      Warrants of like tenor, in the name of the Holder hereof or as such Holder
      (upon payment by such Holder of any applicable transfer taxes) may
      request, calling in the aggregate on the face or faces thereof for the
      number of shares of Common Stock equal (without giving effect to any
      adjustment therein) to the number of such shares called for on the face of
      this Warrant minus the number of such shares designated by the Holder in
      the subscription at the end hereof.

                3.3. Exercise by Surrender of Warrant or Shares of Common Stock.
      In addition to the method of payment set forth in Sections 3.1 and 3.2 and
      in lieu of any cash payment required thereunder, the Holder(s) of the
      Warrants shall have the right at any time and from time to time to
      exercise the Warrants in full or in part by surrendering shares of Common
      Stock, this Warrant or other securities issued by the Company in the
      manner and at the place specified in Section 3.1 as payment of the
      aggregate Purchase Price per share for the Warrants to be exercised. The
      number of Warrants or shares of Common Stock to be surrendered in payment
      of the aggregate Purchase Price for the Warrants to be exercised shall be
      determined by multiplying the number of Warrants to be exercised by the
      Purchase Price per share, and then dividing the product thereof by an
      amount equal to the Market Price (as defined below) . The number of shares
      of Common Stock or such other securities to be surrendered in payment of
      the aggregate Purchase Price for the Warrants to be exercised shall be
      determined in accordance with the preceding sentence as if the other
      securities had been converted into Common Stock immediately prior to
      exercise or, in the case the Company has issued other securities which are
      not convertible into Common Stock, at the Market Price thereof.

                3.4. Definition of Market Price. As used herein, the phrase
      "Market Price" at any date shall be deemed to be (i) if the principal
      trading market for such securities is an exchange, the average of the high
      reported sale prices per share of Common Stock for the last five previous
      trading days in which a sale was reported, as officially reported on any
      consolidated tape, (ii) if the principal market for the Common Stock is
      the over-the-counter market, the average of the high reported sale prices
      per share on such trading days as set forth by such market or, (iii) if
      the Common Stock is not quoted by such over-the-counter market, the
      average of the average of the mean of the bid and asking prices per share
      on such trading days as set forth in the National Quotation Bureau sheet
      listing such securities for such days. Notwithstanding the foregoing, if
      there is no reported high sale price, as the case may be, reported on any
      of the ten trading days preceding the event requiring a determination of
      Market Price hereunder, then the Market Price shall be the average of the

                                       33
<PAGE>

      high bid and asked prices for such days; and if there is no reported high
      bid and asked prices, as the case may be, reported on any of the ten
      trading days preceding the event requiring a determination of Market Price
      hereunder, then the Market Price shall be determined in good faith by
      resolution of the Board of Directors of the Company, based on the best
      information available to it or in the event of a dispute of the
      determination of the Board of Directors of the Company provided in clause
      (b) above, by arbitration in accordance with the rules then standing of
      the American Arbitration Association, before a single arbitrator to be
      chosen by the Company and reasonably acceptable to a majority in interest
      of the holders of Warrants from a panel of persons qualified by education
      and training to pass on the matter to be decided.

                3.5. Company to Reaffirm Obligations. The Company will, at the
      time of any exercise of this Warrant, upon the request of the Holder
      hereof, acknowledge in writing its continuing obligation to afford to such
      Holder any rights (including, without limitation, any right to
      registration of the Underlying Securities) to which such Holder shall
      continue to be entitled after such exercise in accordance with the
      provisions of this Warrant, provided that if the Holder of this Warrant
      shall fail to make any such request, such failure shall not affect the
      continuing obligation of the Company to afford such Holder any such
      rights.

                3.6. Certain Exercises. If an exercise of a Warrant or Warrants
      is to be made in connection with a registered public offering or sale of
      the Company, such exercise may, at the election of the Holder, be
      conditioned on the consummation of the public offering or sale of the
      Company, in which case such exercise shall not be deemed effective until
      the consummation of such transaction.

           4. Delivery of Stock Certificates, etc., on Exercise. As soon as
practicable after the exercise of this Warrant in full or in part, and in any
event within three business days thereafter, the Company at its own expense
(including the payment by it of any applicable issue taxes) will cause to be
issued in the name of and delivered to the Holder hereof, or as such Holder
(upon payment by such Holder of any applicable transfer taxes) may direct, a
certificate or certificates for the number of fully paid and non-assessable
shares of Common Stock or Other Securities to which such Holder shall be
entitled upon such exercise, plus, in lieu of any fractional share to which such
Holder would otherwise be entitled, cash equal to such fraction multiplied by
the then current Market Price of one full share, together with any other stock
or other securities and property (including cash, where applicable) to which
such Holder is entitled upon such exercise pursuant to Section 5 or otherwise.

           5. Adjustment for Dividends in Other Stock, Property, etc.;
Reclassification, etc. In case at any time or from time to time after the
Original Issue Date the holders of Common Stock (or, if applicable, Other
Securities) shall have received, or (on or after the record date fixed for the
determination of stockholders eligible to receive) shall have become entitled to
receive, without payment therefor

                (a) other or additional stock or other securities or property
          (other than cash) by way of dividend, or

                                       34
<PAGE>

                (b) any cash paid or payable (including, without limitation, by
          way of dividend), or

                (c) other or additional stock or other securities or property
          (including cash) by way of spin-off, split-up, reclassification,
          recapitalization, combination of shares or similar corporate
          rearrangement,

then, and in each such case the Holder of this Warrant, upon the exercise hereof
as provided in Section 3, shall be entitled to receive the amount of stock and
other securities and property (including cash in the cases referred to in
subdivisions (b) and (c) of this Section 5 which such Holder would hold on the
date of such exercise if on the Original Issue Date such Holder had been the
Holder of record of the number of shares of Common Stock called for on the face
of this Warrant and had thereafter, during the period from the Original Issue
Date to and including the date of such exercise, retained such shares and all
such other or additional stock and other securities and property (including cash
in the cases referred to in subdivisions (b) and (c) of this Section 5
receivable by such Holder as aforesaid during such period, giving effect to all
adjustments called for during such period by Sections 6 and 7 hereof. If the
number of shares of Common Stock outstanding at any time after the date hereof
is decreased by a combination or reverse stock split of the outstanding shares
of Common Stock, the Purchase Price per share shall be increased, and the number
of shares of Common Stock purchasable under this Warrant shall be decreased in
proportion to such decrease in outstanding shares of Common Stock.

           6. Reorganization, Consolidation, Merger, etc. In case the Company
after the Original Issue Date shall (a) effect a reorganization, (b) consolidate
with or merge into any other person or (c) transfer all or substantially all of
its properties or assets to any other person under any plan or arrangement
contemplating the dissolution of the Company, then, in each such case, the
Holder of this Warrant, upon the exercise hereof as provided in Section 3 at any
time after the consummation of such reorganization, consolidation or merger or
the effective date of such dissolution, as the case may be, shall be entitled to
receive (and the Company shall be entitled to deliver), in lieu of the
Underlying Securities issuable upon such exercise prior to such consummation or
such effective date, the stock and other securities and property (including
cash) to which such Holder would have been entitled upon such consummation or in
connection with such dissolution, as the case may be, if such Holder had so
exercised this Warrant immediately prior thereto, all subject to further
adjustment thereafter as provided in Sections 5 and 7 hereof. The Company shall
not effect any such reorganization, consolidation, merger or sale, unless prior
to or simultaneously with the consummation thereof, the successor corporation
resulting from such consolidation or merger or the corporation purchasing such
assets or the appropriate corporation or entity shall assume, by written
instrument, the obligation to deliver to each Holder the shares of stock, cash,
other securities or assets to which, in accordance with the foregoing
provisions, each Holder may be entitled to and all other obligations of the
Company under this Warrant. In any such case, if necessary, the provisions set
forth in this Section 6 with respect to the rights thereafter of the Holders
shall be appropriately adjusted so as to be applicable, as nearly as may
reasonably be, to any Other Securities or assets thereafter deliverable on the
exercise of the Warrants.

                                       35
<PAGE>

           7. Other Adjustments.

                7.1. General. Other than as set forth in Sections 5 and 6, if
      the Company shall issue any Common Stock other than Excluded Stock for a
      consideration per share (determined as set forth below) less than the
      Purchase Price per share in effect immediately prior to the issuance of
      such Common Stock (the "New Issuance"), the Purchase Price per share in
      effect immediately prior to each issuance shall forthwith be reduced to a
      new Purchase Price per share determined by dividing (x) the sum of (I) the
      consideration received by the Company in such issue less (II) the Fair
      Market Value of any securities or other assets transferred by the Company
      in units or otherwise together with such Common Stock ("Additional
      Assets"), by (y) the number of shares of Common Stock (not including
      shares issuable upon conversion or exercise of Additional Assets) issued
      in the New Issuance (the "New Purchase Price"). The number of shares of
      Common Stock for which this Warrant is exercisable shall be increased to a
      new number of shares determined by multiplying the number of shares of
      Common Stock for which this Warrant is exercisable prior to the New
      Issuance by a fraction, the numerator of which is the Purchase Price per
      share in effect prior to the New Issuance and the denominator is the New
      Purchase Price per share.

                7.2. Convertible Securities. (a) In case the Company shall issue
      or sell any Convertible Securities (including without limitation
      Additional Assets), other than Excluded Stock, after the date hereof,
      there shall be determined the price per share for which Common Stock is
      issuable upon the conversion or exchange thereof, such determination to be
      made by dividing (i) the total amount received or receivable by the
      Company as consideration for the issue or sale of such Convertible
      Securities, plus the then current aggregate amount of additional
      consideration, if any, payable to the Company upon the conversion or
      exchange thereof, by (ii) the maximum number of shares of Common Stock of
      the Company issuable upon the conversion or exchange of all of such
      Convertible Securities.

          (b) If the price per share so determined shall be less than the
      applicable Purchase Price per share, then such issue or sale shall be
      deemed to be an issue or sale for cash (as of the date of issue or sale of
      such Convertible Securities) of such maximum number of shares of Common
      Stock at the price per share so determined, provided that, if such
      Convertible Securities shall by their terms provide for an increase or
      increases or decrease or decreases, with the passage of time, in the
      amount of additional consideration, if any, to the Company, or in the rate
      of exchange, upon the conversion or exchange thereof, the adjusted
      Purchase Price per share shall, forthwith upon any such increase or
      decrease becoming effective, be readjusted to reflect the same, and
      provided further, that upon the expiration of such rights of conversion or
      exchange of such Convertible Securities, if any thereof shall not have
      been exercised, the adjusted Purchase Price per share shall forthwith be
      readjusted and thereafter be the price which it would have been had an
      adjustment been made on the basis that the only shares of Common Stock so
      issued or sold were issued or sold upon the conversion or exchange of such
      Convertible Securities, and that they were issued or sold for the
      consideration actually received by the Company upon such conversion or
      exchange, plus the consideration, if any, actually received by the Company

                                       36
<PAGE>

      for the issue or sale of all of such Convertible Securities which shall
      have been converted or exchanged.

                7.3. Rights and Options. (a) In case the Company shall grant any
      rights or options to subscribe for, purchase or otherwise acquire Common
      Stock, other than Excluded Stock, there shall be determined the price per
      share for which Common Stock is issuable upon the exercise of such rights
      or options, such determination to be made by dividing (i) the total
      amount, if any, received or receivable by the Company as consideration for
      the granting of such rights or options, plus the then current amount of
      additional consideration payable to the Company upon the exercise of such
      rights or options, by (ii) the maximum number of shares of Common Stock of
      the Company issuable upon the exercise of such rights or options.

           (b) If the price per share so determined shall be less than the
      applicable Purchase Price per share, then the granting of such rights or
      options shall be deemed to be an issue or sale for cash (as of the date of
      the granting of such rights or options) of such maximum number of shares
      of Common Stock at the price per share so determined, provided that, if
      such rights or options shall by their terms provide for an increase or
      increases or decrease or decreases, with the passage of time, in the
      amount of additional consideration payable to the Company upon the
      exercise thereof, the adjusted Purchase Price per share shall, forthwith
      upon any such increase or decrease becoming effective, be readjusted to
      reflect the same, and provided, further, that upon the expiration of such
      rights or options, if any thereof shall not have been exercised, the
      adjusted Purchase Price per share shall forthwith be readjusted and
      thereafter be the price which it would have been had an adjustment been
      made on the basis that the only shares of Common Stock so issued or sold
      were those issued or sold upon the exercise of such rights or options and
      that they were issued or sold for the consideration actually received by
      the Company upon such exercise, plus the consideration, if any, actually
      received by the Company for the granting of all such rights or options,
      whether or not exercised.

                7.4. Other Securities. If any event occurs as to which the
      provisions of this Warrant are strictly applicable and the application
      thereof would not fairly protect the rights of the Holders in accordance
      with the essential intent and principles of such provisions, then the
      Company shall make such adjustments in the application of such provisions,
      in accordance with such essential intent and principles, as the Board of
      Directors, in good faith, determines to be reasonably necessary to protect
      such rights as aforesaid. In case at any time or from time to time the
      Company shall take any action in respect of its Common Stock, other than
      any action described in Sections 5, 6 and 7, then, unless such action will
      not have a materially adverse effect upon the rights of the Holders, the
      number of shares of Common Stock or other stock for which this Warrant is
      exercisable and the Purchase Price per share shall be adjusted in such
      manner as the Board of Directors, in good faith, determines to be
      equitable in the circumstances. In furtherance and not in limitation of
      the foregoing, if any event occurs of the type contemplated by Section 7
      but not expressly provided for by such Section (including, without
      limitation, the granting of stock appreciation rights, phantom stock
      rights or other rights or arrangements with equity features), then the
      Company's Board of Directors shall make an appropriate adjustment in the

                                       37
<PAGE>

      Purchase Price per share and the number of shares of Common Stock or Other
      Securities issuable upon the exercise of a Warrant so as to protect the
      rights of the Holders of such Warrants. No adjustment made pursuant to
      this Section 7 shall increase the Purchase Price per share or decrease the
      number of shares of Common Stock or Other Securities issuable upon
      exercise of the Warrants.

           8. Further Assurances. The Company will take all such action as may
be necessary or appropriate in order that the Company may validly and legally
issue fully paid and non-assessable shares of stock upon the exercise of all
Warrants from time to time outstanding.

           9. Officer's Certificate as to Adjustments. In each case of any
adjustment or readjustment in the shares of Common Stock (or Other Securities)
issuable upon the exercise of the Warrants, the Company at its expense will
promptly cause its Chief Financial Officer to compute such adjustment or
readjustment in accordance with the terms of the Warrants and prepare a
certificate setting forth such adjustment or readjustment and showing in detail
the facts upon which such adjustment or readjustment is based, and the number of
shares of Common Stock outstanding or deemed to be outstanding, including a
statement of: (a) the consideration received or receivable by the Company for
any additional shares of Common Stock (or Other Securities) issued or sold or
deemed to have been issued or sold; (b) the number of shares of Common Stock (or
Other Securities) outstanding or deemed to be outstanding; and (c) the Purchase
Price and the number of shares of Common Stock to be received upon exercise of
this Warrant, in effect immediately prior to such adjustment or readjustment and
as adjusted or readjusted as provided in this Warrant. The Company will
forthwith mail a copy of each such certificate to each Holder.

           10. Notices of Record Date, etc. In the event of

                (a) any taking by the Company of a record of its stockholders
      for the purpose of determining the stockholders thereof who are entitled
      to receive any dividend or other distribution, or any right to subscribe
      for, purchase or otherwise acquire any shares of stock of any class or any
      other securities or property, or to receive any other right, or for the
      purpose of determining stockholders who are entitled to vote in connection
      with any proposed capital reorganization of the Company, any
      reclassification or recapitalization of the capital stock of the Company
      or any transfer of all or substantially all the assets of the Company to
      or consolidation or merger of the Company with or into any other person,
      or

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

                (c) any proposed issue or grant by the Company of any Common
      Stock, Convertible Securities or any other securities, or any right or
      option to subscribe for, purchase or otherwise acquire any shares of stock
      of any class or any other securities (other than the issue of Common Stock
      on the exercise of the Warrants),

then and in each such event the Company will mail or cause to be mailed to each

                                       38
<PAGE>

Holder of a Warrant a notice specifying (i) the date on which any such record is
to be taken for the purpose of such dividend, distribution or right, and stating
the amount and character of such dividend, distribution or right, (ii) the date
on which any such reorganization, reclassification, recapitalization, transfer,
consolidation, merger, dissolution, liquidation or winding-up is to take place,
and the time, if any, as of which the Holders of record of Underlying Securities
shall be entitled to exchange their shares of Underlying Securities for
securities or other property deliverable upon such reorganization,
reclassification, recapitalization, transfer, consolidation, merger,
dissolution, liquidation or winding-up and (iii) the amount and character of any
stock or other securities, or rights or options with respect thereto, proposed
to be issued or granted, the date of such proposed issue or grant and the
persons or class of persons to whom such proposed issue or grant and the persons
or class of persons to whom such proposed issue or grant is to be offered or
made. Such notice shall be mailed at least 20 days prior to the date therein
specified.

           11. Reservation of Stock, etc., Issuable on Exercise of Warrants. The
Company will at all times reserve and keep available, solely for issuance and
delivery upon the exercise of the Warrants, all shares of Common Stock (or Other
Securities) from time to time issuable upon the exercise of the Warrants.

           12. Listing on Securities Exchanges; Registration; Issuance of
Certain Securities.

           12.1.In furtherance and not in limitation of any other provision of
this Warrant, if the Company at any time shall list any Common Stock on any
national securities exchange or Nasdaq, the Company will, at its expense,
simultaneously list on such exchange or Nasdaq, upon official notice of issuance
upon the exercise of the Warrants, and maintain such listing of all shares of
Common Stock from time to time issuable upon the exercise of the Warrants; and
the Company will so list on any national securities exchange or Nasdaq, will so
register and will maintain such listing of, any Other Securities if and at the
time that any securities of like class or similar type shall be listed on such
national securities exchange or Nasdaq by the Company.

           12.2.The Company shall not issue any (a) Convertible Securities or
similar securities that contain a provision that provides for any change or
determination of the applicable conversion price, conversion rate, or exercise
price (or a similar provision which might have a similar effect) based on the
Market Price or any other determination of the market price or value of the
Company's securities or any other market based or contingent standard, such as
so-called "toxic" or "death spiral" convertible securities; provided, however,
that this prohibition shall not include Convertible Securities or similar
securities the conversion or exercise price or conversion rate of which is fixed
on the date of issuance or subject to adjustment based upon the issuance by the
Company of additional securities, including without limitation, standard
anti-dilution adjustment provisions which are not based on calculations of the
Market Price or other variable valuations; and provided, further, that in no
event shall this provision be deemed to prohibit the transactions contemplated
in the January Offering; or (b) any preferred stock, debt instruments or similar
securities or investment instruments providing for (i) preferences or other
payments substantially in excess of the original investment by purchasers
thereof or (ii) dividends, interest or similar payments other than dividends,
interest or similar payments computed on an annual basis and not in excess,
directly or indirectly, of the lesser of a rate equal to (A) twice the interest

                                       39
<PAGE>

rate on 10 year US Treasury Notes and (B) 20%.

           13. Exchange of Warrants. Subject to the provisions of Section 2
hereof, upon surrender for exchange of any Warrant, properly endorsed, to the
Company, as soon as practicable (and in any event within three business days)
the Company at its own expense will issue and deliver to or upon the order of
the Holder thereof a new Warrant or Warrants of like tenor, in the name of such
Holder or as such Holder (upon payment by such Holder of any applicable transfer
taxes) may direct, calling in the aggregate on the face or faces thereof for the
number of shares of Common Stock called for on the face or faces of the Warrant
or Warrants so surrendered.

           14. Replacement of Warrants. Upon receipt of evidence reasonably
satisfactory to the Company of the loss, theft, destruction or mutilation of any
Warrant and, in the case of any such loss, theft or destruction, upon delivery
of an indemnity agreement reasonably satisfactory in form and amount to the
Company or, in the case of any such mutilation, upon surrender and cancellation
of such Warrant, the Company at its expense will execute and deliver, in lieu
thereof, a new Warrant of like tenor.

           15. Warrant Agent. The Company may, by written notice to each Holder
of a Warrant, appoint an agent having an office in New York, New York, for the
purpose of issuing Common Stock (or Other Securities) upon the exercise of the
Warrants pursuant to Section 3, exchanging Warrants pursuant to Section 13, and
replacing Warrants pursuant to Section 14, or any of the foregoing, and
thereafter any such issuance, exchange or replacement, as the case may be, shall
be made at such office by such agent.

           16. Remedies. The Company stipulates that the remedies at law of the
Holder of this Warrant in the event of any default or threatened default by the
Company in the performance of or compliance with any of the terms of this
Warrant are not and will not be adequate, and that such terms may be
specifically enforced by a decree for the specific performance of any agreement
contained herein or by an injunction against a violation of any of the terms
hereof or otherwise.

           17. Negotiability, etc. Subject to Section 2 above, this Warrant is
issued upon the following terms, to all of which each Holder or owner hereof by
the taking hereof consents and agrees:

                (a) subject to the provisions hereof, title to this Warrant may
      be transferred by endorsement (by the Holder hereof executing the form of
      assignment at the end hereof) and delivery in the same manner as in the
      case of a negotiable instrument transferable by endorsement and delivery;

                (b) subject to the foregoing, any person in possession of this
      Warrant properly endorsed is authorized to represent himself as absolute
      owner hereof and is empowered to transfer absolute title hereto by
      endorsement and delivery hereof to a bona fide purchaser hereof for value;
      each prior taker or owner waives and renounces all of his equities or
      rights in this Warrant in favor of each such bona fide purchaser and each

                                       40
<PAGE>

      such bona fide purchaser shall acquire absolute title hereto and to all
      rights represented hereby; and

                (c) until this Warrant is transferred on the books of the
      Company, the Company may treat the registered Holder hereof as the
      absolute owner hereof for all purposes, notwithstanding any notice to the
      contrary.

           18. Notices, etc. All notices and other communications from the
Company to the Holder of this Warrant shall be mailed by first class registered
or certified mail, postage prepaid, at such address as may have been furnished
to the Company in writing by such Holder, or, until an address is so furnished,
to and at the address of the last Holder of this Warrant who has so furnished an
address to the Company.

           19. Miscellaneous. This Warrant and any term hereof may be changed,
waived, discharged or terminated only by an instrument in writing signed by the
Company and the Holders of outstanding Warrants to purchase a majority of the
shares of common Stock underlying all the outstanding Warrants. This Warrant is
being delivered in the State of New York and shall be construed and enforced in
accordance with and governed by the laws of such State. The headings in this
Warrant are for purposes of reference only, and shall not limit or otherwise
affect any of the terms hereof.

           20. Assignability. Subject to Section 2 hereof, this Warrant is fully
assignable at any time.

Dated: __________ __, 2005

                               GRAPHON CORPORATION

                               By:________________________________
                                  Name:
                                  Title:

Attest:___________________________

                                       41
<PAGE>

                        FORM OF SUBSCRIPTION
            (To be signed only upon exercise of Warrant)

To: GRAPHON CORPORATION

         The undersigned, the Holder of the within Warrant, hereby irrevocably
elects to exercise the purchase right represented by such Warrant for, and to
purchase thereunder, shares of Common Stock of GraphOn Corporation, and herewith
makes payment therefor:

         (i) of $ * or

         (ii) by surrender of the number of Warrants included in the within
Warrant required for full exercise pursuant to Section 3.3 of the Warrant, and
requests that the certificates for such shares be issued in the name of, and
delivered to, ___________________, whose address is _______________________.
Dated:

                              ----------------------------------------
                              (Signature must conform in all
                              respects to name of Holder as
                              specified on the face of the Warrant)

                              ________________________________________
                              (Address)

*    Insert here the number of shares called for on the face of the Warrant (or,
     in the case of a partial exercise, the portion thereof as to which the
     Warrant is being exercised), in either case without making any adjustment
     for additional Common Stock or any other stock or other securities or
     property or cash which, pursuant to the adjustment provisions of the
     Warrant, may be deliverable upon exercise.

                                       42
<PAGE>

                               FORM OF ASSIGNMENT

           (To be signed only upon transfer of Warrant)

         For value received, the undersigned hereby sells, assigns and transfers
unto _________________________ the right represented by the within Warrant to
purchase _________ of Common Stock of GraphOn Corporation to which the within
Warrant relates, and appoints ______________________________ Attorney to
transfer such right on the books of GraphOn Corporation with full power of
substitution in the premises. The Warrant being transferred hereby is one of the
Warrants issued by GraphOn Corporation as of __________ __, 2005 to purchase an
aggregate of 600,000 shares of Common Stock.

Dated:_______________

                               ----------------------------------
                              (Signature must conform in all
                              respects to name of Holder as
                              specified on the face of the Warrant)

                               -----------------------------------
                                 (Address)

------------------------------------
Signature guaranteed by a Bank or Trust
Company having its principal office in
New York City or by a Member Firm of the
New York or American Stock Exchange

                                       43
<PAGE>

Exhibit 1C      Form of Certificate of Designations for Series A
Stock and Series B Stock

[See Exhibit 3.1 to the Company's Current Report on Form 8-K filed with the
Securities and Exchange Commission on February 3, 2005

                                       44
<PAGE>

Exhibit 2:      Form of Investor Rights Agreement

[See Exhibit 4.2 to the Current Report on Form 8-K to which this Unit
Subscription Agreement is attached]

                                       45
<PAGE>

Exhibit 3:      Form of Amendment to Financial Advisory Agreement

[See Exhibit 10.2 to the Current Report on Form 8-K to which this Unit
Subscription Agreement is attached]

                                       46
<PAGE>

Exhibit 4:      Legal Opinion

1.    The Company is a corporation incorporated and validly existing
      and in good standing under the laws of the State of Delaware.

2.    The Company has the requisite corporate power to own and operate its
      properties and assets, and to carry on its business as presently
      conducted.

3.    The  Company has the  corporate  power to execute and deliver
      the Transaction  Documents,  to sell and issue the Securities
      under  the  Subscription  Agreement,  to issue  the  Series B
      Stock upon exercise of the Purchased  Warrants,  to issue the
      Underlying  Shares upon  conversion of the Shares or Series B
      Stock  or upon  exercise  of the  Exchange  Warrants,  and to
      carry out and perform its obligations  under the terms of the
      Transaction Documents.

4.    The authorized capital stock of the Company consists of 45,000,000 shares
      of Common Stock and 5,000,000 shares of Preferred Stock.

5.    The  Shares  issued  under  the  Subscription  Agreement  are
      validly issued,  fully paid and nonassessable and free of any
      preemptive or similar rights  contained in the Certificate of
      Incorporation   or  Bylaws  of  the   Company,   or,  to  our
      knowledge, in any Material Agreement,  except as specifically
      provided  in the  Subscription  Agreement  or in the  Company
      Disclosure  Letter.  The  shares of  Series B Stock  issuable
      upon  exercise of the  Purchased  Warrants have been duly and
      validly  reserved  and,  when issued in  accordance  with the
      Purchased  Warrants,  will be validly issued,  fully paid and
      nonassessable  and free of any  preemptive or similar  rights
      contained in the  Certificate of  Incorporation  or Bylaws of
      the  Company,   or,  to  our   knowledge,   in  any  Material
      Agreement,  except as specifically  provided in the Agreement
      or in the Company  Disclosure  Letter.  Assuming the Required
      Stockholder  Approval  is  obtained  and the  Certificate  of
      Amendment is accepted for filing with the  Secretary of State
      of the State of Delaware,  the Underlying Shares, when issued
      upon  conversion of the Shares or the Series B Shares or upon
      exercise of the Exchange  Warrants,  will be validly  issued,
      fully paid and nonassessable.

6.    All  corporate  action on the part of the Company,  its board
      of  directors   and  its   stockholders   necessary  for  the
      authorization,  execution  and  delivery  of the  Transaction
      Documents  by  the  Company,  the  authorization,   sale  and
      issuance  of the  Securities,  the  issuance  of the Series B
      Stock  upon   exercise  of  the   Purchased   Warrants,   the
      performance  by the  Company  of its  obligations  under  the
      Transaction  Documents and, assuming the Required Stockholder
      Approval is obtained  and the  Certificate  of  Amendment  is
      accepted for filing with the  Secretary of State of the State
      of Delaware,  the authorization of the Underlying Shares, has
      been taken.  Each of the Transaction  Documents has been duly
      and  validly  executed  and  delivered  by  the  Company  and
      constitutes  a valid and binding  obligation  of the Company,
      enforceable  against the Company in accordance with its terms
      except as  rights to  indemnity  and  contribution  under the
      Transaction  Documents may be limited by applicable  laws and
      except  as   enforcement   may  be  limited   by   applicable
      bankruptcy,    insolvency,    reorganization,    arrangement,
      moratorium  or  other  similar  laws   affecting   creditors'
      rights,  and  subject to general  equity  principles,  and to
      limitations  on the  enforceability  of  waivers of rights to
      jury trials and  limitations  on  availability  of  equitable
      relief, including specific performance.

                                       47
<PAGE>

7.    The execution and delivery by the Company of the  Transaction
      Documents,  the performance by the Company of its obligations
      under the  Transaction  Documents to be performed on or prior
      to the  Closing,  and the issuance of the  Securities  do not
      violate any provision of the Certificate of  Incorporation or
      Bylaws or any  provision of any  applicable  federal or state
      law,  rule  or  regulation  known  to us  to  be  customarily
      applicable  to  transactions  of this nature.  The  execution
      and  delivery  by the Company of the  Transaction  Documents,
      the performance by the Company of its  obligations  under the
      Transaction Documents,  and the issuance of the Securities do
      not  violate,  or  constitute a default  under,  any Material
      Agreement.

8.    With  your  consent  based  solely  on a  certificate  of  an
      officer of the Company as to factual matters,  the Company is
      not, and  immediately  after giving effect to the sale of the
      Securities in accordance with the  Transaction  Documents and
      the  application of the proceeds as described in Section 2.17
      of the  Subscription  Agreement  will not be required,  to be
      registered as an "investment  company"  within the meaning of
      the Investment Company Act of 1940, as amended.

9.    Subject to the accuracy of the Investors'  representations in
      Sections  3 and 4 of  the  Agreement,  the  issuance  of  the
      Securities  in  conformity  with the  terms of the  Agreement
      and, if issued to the Investors at the Closing,  the issuance
      of  the  Series  B  Stock  upon  exercise  of  the  Purchased
      Warrants  in  conformity  with  the  terms  thereof,  and the
      issuance  of the  Underlying  Shares upon  conversion  of the
      Shares or  Series B Stock or upon  exercise  of the  Exchange
      Warrants in  conformity  with the terms  thereof,  constitute
      transactions  exempt from the  registration  requirements  of
      Section 5 of the Securities Act of 1933, as amended.

                                       48
<PAGE>

Exhibit 5:      [Reserved]

                                       49
<PAGE>

Exhibit 6:      Waiver

                          WAIVER, CONSENT AND AMENDMENT
                             GRAPHON WARRANT HOLDERS

      This WAIVER, CONSENT AND AMENDMENT (this "Waiver") is being executed and
delivered as of the 2nd day of February, 2005, by and among GraphOn Corporation,
a Delaware corporation ("GraphOn") and the investors listed on Exhibit A hereto
(collectively, the "Investors"), who hold 5-year warrants, dated January 29,
2004, exercisable to purchase an aggregate of 2,500,000 shares of common stock,
$.0001 par value per share of GraphOn (the "Common Stock"), at $0.33 per share
(the "Warrants") that were issued pursuant to that certain Unit Subscription
Agreement, dated as of January 29, 2004, among GraphOn and the Investors (or
their legal predecessors in interest) party thereto (the "Unit Subscription
Agreement"). All capitalized terms used herein and not otherwise defined shall
have the meanings assigned to them in the Warrants.

      WHEREAS, as contemplated by Section 1.3(a) of the Unit Subscription
Agreement, the Investors (or their legal predecessors in interest) and GraphOn
entered into the Investor Rights Agreement, dated as of January 29, 2004 (the
"Investor Rights Agreement");

      WHEREAS, pursuant to Sections 7.1, 7.2 and 7.3 of the Warrants,
respectively, an adjustment to the Purchase Price is required in the event of
the issuance by GraphOn of (i) Common Stock for a price per share (as calculated
in accordance with the provisions of Section 7.1 of the Warrants) that is less
than the Purchase Price of $.33 (the "Purchase Price") payable by the Investors,
(ii) Convertible Securities at a price per share of Common Stock issuable upon
the conversion thereof (as calculated in accordance with the provisions of
Section 7.2 of the Warrants) less than the Purchase Price and (iii) rights to
purchase Common Stock for total consideration at a price per share of Common
Stock issuable upon the conversion thereof (as calculated in accordance with the
provisions of Section 7.3 of the Warrants) less than the Purchase Price, (such
adjustment, the "Antidilution Protection");

      WHEREAS, pursuant to Section 10 of the Investor Rights Agreement, the
proposed issuance by GraphOn of Common Stock, Convertible Securities or certain
rights to purchase Convertible Securities on any occasion subsequent thereto
entitles the Investors to purchase a number of shares of Common Stock or
Convertible Securities in proportion to their respective Proportionate
Percentages (as defined therein), to be issued on the terms set forth for the
proposed issuance thereof (such entitlement of the Investors, the "Preemptive
Rights");

      WHEREAS, Griffin Securities, Inc. ("Griffin") and certain affiliates of
Griffin listed on Exhibit B hereto (collectively with Griffin, the "Griffin
Holders"), hold warrants in substantially the same form as the Warrants,
exercisable to purchase an aggregate of 250,000 shares of Common Stock at $.33
per share and 470,000 at $.23 per share, (the "Griffin Warrants");

      WHEREAS, GraphOn presently anticipates entering into an additional Unit

                                       50
<PAGE>

Subscription Agreement (the "Subsequent Unit Subscription Agreement") providing
for the sale by GraphOn of an aggregate of 148,148 shares of Series A
Participating Convertible Preferred Stock of GraphOn (the "Series A Shares") in
units with 5-year warrants, exercisable to purchase an aggregate of up to 74,074
shares of Series B Participating Convertible Preferred Stock of GraphOn at
$40.00 per share (the "Series B Warrants"), all for an aggregate price of
$3,999,996 pursuant to agreements in the form provided herewith to the Investors
(the "Subsequent Offering");

      WHEREAS, among the transactions contemplated as part of the Subsequent
Offering (as described in Section 2.6 of the Subsequent Unit Subscription
Agreement), GraphOn plans to issue to Griffin warrants to purchase an aggregate
of up to 14,814 shares of Series A Participating Convertible Preferred Stock of
GraphOn and up to 7,407 shares of Series B Participating Convertible Preferred
Stock of GraphOn (the "Griffin Warrants", and such issuance of the Griffin
Warrants, the "Griffin Issuance");

      WHEREAS, the Convertible Securities to be purchased pursuant to the
Subsequent Offering and to be issued pursuant to the Griffin Issuance are
potentially convertible into shares of Common Stock at prices per share (as
calculated in accordance with the provisions of Sections 7.1, 7.2 and 7.3 of the
Warrants) that are or may be lower than the Purchase Price paid by the
Investors, thereby triggering the Antidilution Protection;

      WHEREAS, GraphOn anticipates that it may issue up to 500,000 additional
shares of Common Stock in payment of certain fees and expenses of NES incurred
prior to or in connection with the Acquisition and in settlement of disputes
related to NES, which securities may be deemed sold at prices lower than the
Purchase Price, thereby triggering the Antidilution Protection (the "Expense
Shares" and such issuances of Expense Shares, the "Expense Issuances");

      WHEREAS, the transactions that comprise the Subsequent Offering, the
Griffin Issuance and the Expense Issuances also trigger the Preemptive Rights of
the Investors;

      WHEREAS, the Subsequent Offering will benefit the Investors by attracting
additional investors to invest in securities of GraphOn, thereby aiding the
overall financial condition of GraphOn, in which the Investors have a
significant interest as shareholders thereof;

      WHEREAS, GraphOn will, simultaneously with the Subsequent Offering, issue
10,000,000 shares of its Common Stock (the "Acquisition Shares") in connection
with the Acquisition (as defined in the Subsequent Unit Subscription Agreement),
including 1,750,000 shares to be issued to affiliates of Sierra Patent Group
("Sierra") in payment of fees owed by NES to Sierra, and such shares constitute
Excluded Stock, as defined in the Warrants and the Investor Rights Agreement,
and do not trigger the Preemptive Rights or the Antidilution Protection; and

      WHEREAS, GraphOn seeks, and the Investors are willing to provide, a waiver
of the Preemptive Rights and the Antidilution Protection, and GraphOn and the
Investors wish to waive the Preemptive Rights for the Subsequent Offering and

                                       51
<PAGE>

the Griffin Issuance, on the terms set forth in this Waiver.

      NOW, THEREFORE, in consideration of the premises and mutual covenants
contained herein, the parties hereto hereby agree as follows:

      1. Waiver and Consent Concerning Preemptive Rights. Each of the Investors
hereby irrevocably waives, pursuant to Section 14(a) of the Investor Rights
Agreement, such Investor's Preemptive Rights with respect to the issuance of (i)
Series A Shares and Series B Warrants in connection with the Subsequent
Offering, (ii) the Griffin Warrants, (iii) the Acquisition Shares, (iv) the
Expense Issuances (provided that in the case of each Expense Issuance, such
waiver in respect of such Expense Issuance is separately approved in writing by
Investors owning an aggregate of at least 1,250,000 Warrants) and (v) any other
Convertible Securities and any Common Stock issued or issuable upon exercise,
conversion or exchange of the Series A Shares, the Series B Warrants and the
Griffin Warrants. Each of the Investors hereby irrevocably consents, pursuant to
Section 14(a) of the Investor Rights Agreement, to the waiver by each of the
Investors that is provided for by this Section 1.

      2. Waiver of Antidilution Protection. Each of the Investors hereby
irrevocably waives, pursuant to Section 19 of the Warrant, such Investor's
Antidilution Protection with respect to the issuance of (i) Series A Shares and
Series B Warrants in connection with the Subsequent Offering, (ii) the Griffin
Warrants, (iii) the Acquisition Shares, (iv) the Expense Issuances (provided
that in the case of each Expense Issuance, such waiver in respect of such
Expense Issuance is separately approved in writing by Investors owning an
aggregate of at least 1,250,000 Warrants) and (v) any other Convertible
Securities and any Common Stock issued or issuable upon exercise, conversion or
exchange of the Series A Shares, the Series B Warrants and the Griffin Warrants
at the prices specified in the Subsequent Unit Subscription Agreement and the
Griffin Warrants, respectively, and agrees that the Purchase Price shall not be
adjusted as a result of the Subsequent Offering or the Griffin Issuance.

      3. Acknowledgement by Investors. Each of the Investors hereby acknowledges
that the restrictions contained in Section 12.2 of the Warrants and Section 11
of the Investor Rights Agreement, prohibiting GraphOn's issuance of certain
Convertible Securities and other specific types of securities as described
further therein (the "Prohibition"), are not violated or invoked in any manner
by the Subsequent Offering or the Griffin Issuance. Each of the Investors and
GraphOn hereby agrees that the Prohibition, as set forth in each of the Warrants
and the Investor Rights Agreement, shall be amended to read in full as follows:

      "Issuance of Certain Securities. The Company shall not issue any (a)
      Convertible Securities or similar securities that contain a provision that
      provides for any change or determination of the applicable conversion
      price, conversion rate, or exercise price (or a similar provision which
      might have a similar effect) based on any determination of the market
      price or other value of the Company's securities or any other market based
      or contingent standard, such as so-called "toxic" or "death spiral"
      convertible securities; provided, however, that this prohibition shall not
      include Convertible Securities or similar securities the conversion or
      exercise price or conversion rate of which is (i) fixed on the date of
      issuance, (ii) subject to adjustment as a result of or in connection with

                                       52
<PAGE>

      a business combination or similar transaction or (iii) subject to
      adjustment based upon the issuance by the Company of additional
      securities, including without limitation, standard anti-dilution
      adjustment provisions which are not based on calculations of market price
      or other variable valuations; and provided, further, that in no event
      shall this provision be deemed to prohibit the transactions contemplated
      in the Unit Subscription Agreement; (b) any preferred stock, debt
      instruments or similar securities or investment instruments providing for
      (i) preferences or other payments substantially in excess of the original
      investment by purchasers thereof or (ii) dividends, interest or similar
      payments other than dividends, interest or similar payments computed on an
      annual basis and not in excess, directly or indirectly, of the lesser of a
      rate equal to (A) twice the interest rate on 10 year US Treasury Notes and
      (B) 20%."

      4. Griffin Holders. Each of the Griffin Holders agrees to be bound, as if
such Griffin Holder were an Investor, to each of the waivers, acknowledgements,
consents, agreements and covenants of the Investors set forth in this Waiver.

      5. Reservation of Rights. Except as specifically provided herein, the
Warrants, the Investor Rights Agreement, the Unit Subscription Agreement and all
other agreements, instruments and documents executed and/or delivered in
connection therewith, shall remain in full force and effect and are hereby
ratified and confirmed. Except as specifically provided herein, the execution,
delivery and effectiveness of this Waiver shall not constitute a waiver of any
provision of the Warrants, the Investor Rights Agreement, the Unit Subscription
Agreement or any other documents, instruments or agreements executed and/or
delivered under or in connection therewith.

      6. Governing Law. This Waiver shall be governed by and construed and
enforced in accordance with the laws of the State of New York.

      7. Successors and Assigns. This Waiver shall be binding upon and inure to
the benefit of the parties hereto and their respective heirs, personal
representatives, successors or assigns. This Waiver shall also be binding upon
and inure to the benefit of any transferee of any of the Warrants or the
Registrable Shares (as defined in the Investor Rights Agreement).

      8. Counterparts. This Waiver may be executed in a number of counterparts,
any of which together shall for all purposes constitute one Waiver, binding on
all the parties hereto notwithstanding that all such parties have not signed the
same counterpart.

                                       53
<PAGE>

      IN WITNESS WHEREOF, the parties hereto have executed this Waiver as of the
date first above written.

                                    GRAPHON CORPORATION

                                    By:
                                        -----------------------------

                                    Name:
                                    Title:

                                    INVESTORS:

                                    ----------------------------------
                                    Hershel Berkowitz

                                    ----------------------------------
                                    Paul Packer

                                    GLOBIS CAPITAL PARTNERS

                                    By:
                                        -----------------------------

                                    Name:
                                    Title:

                                    ----------------------------------
                                    Richard Grossman

                                    ----------------------------------
                                    Joshua Hirsch

                                    ----------------------------------
                                    James Kardon

                                       54
<PAGE>

                                    ----------------------------------
                                    Orin Hirschman

                                    ----------------------------------
                                    Anthony Altamura

                                    THE HEWLETT FUND

                                    By:
                                        -----------------------------

                                    Name:
                                    Title:

                                    GRIFFIN HOLDERS:

                                    GRIFFIN SECURITIES, INC.

                                    By:
                                        -----------------------------

                                    Name:
                                    Title:

                                    ----------------------------------
                                    Robert U. Giannini

                                    ----------------------------------
                                    Mark H. Zizzamia

                                    ----------------------------------
                                    Thomas W. Muldowney

                                       55
<PAGE>

                                    ----------------------------------
                                    Salvatore J. Saraceno

                                       56
<PAGE>

Exhibit A

                              SCHEDULE OF INVESTORS

Hershel Berkowitz

Paul Packer

Globis Capital Partners

Richard Grossman

Joshua Hirsch

James Kardon

Orin Hirschman

Anthony Altamura

The Hewlett Fund

Griffin Securities, Inc.

                                       57
<PAGE>

Exhibit B

                           SCHEDULE OF GRIFFIN HOLDERS

Griffin Securities, Inc.

Robert U. Giannini

Mark H. Zizzamia

Thomas W. Muldowney

Salvatore J. Saraceno

                                       58
<PAGE>

Exhibit 7:      Voting Agreement

                                VOTING AGREEMENT

      This Voting Agreement (this "Agreement") is made as of the 2nd day of
February, 2005, by and among certain holders, as set forth in Schedule I hereto
(the "Management Holders"), of the Common Stock, $.0001 par value per share,
(the "Common Stock") of GraphOn Corporation, a Delaware corporation ("GraphOn"
or the "Company").

                                    RECITALS

      WHEREAS, it is contemplated that certain investors (collectively the
"Investors") are purchasing securities of GraphOn pursuant to a Unit
Subscription Agreement dated as of January __, 2005 (the "Unit Subscription
Agreement"), which provides, among other matters, for a Stockholders Meeting and
approval of the Certificate of Amendment, each as defined in the Unit
Subscription Agreement; and

      WHEREAS, the Management Holders have entered into this Agreement regarding
the voting of the Common Stock acquired or beneficially owned by any Management
Holder, including without limitation any shares of capital stock of the Company
that may be issued upon exercise of any rights, warrants or options to purchase,
or other securities convertible into, capital stock of GraphOn and any rights,
warrants or options to purchase, or other securities convertible into such
capital stock (collectively, with the Common Stock, the "GraphOn Securities");

      NOW, THEREFORE, in consideration of the Investors' consummating the
transactions contemplated by the Unit Subscription Agreement and other good and
valuable consideration, the adequacy of which is hereby affirmed, the parties
hereby agree as follows:

      1. EFFECTIVENESS. This Agreement shall be effective as of the date hereof
(the "Effective Date").

      2. AGREEMENT TO VOTE. (a) In connection with the Stockholders Meeting,
each Management Holder shall vote all of such Management Holder's GraphOn
Securities (or grant or withhold approval or consent) in favor of the
Certificate of Amendment.

           (b) Each Management Holder shall be present, in person or by proxy,
at the Stockholders Meeting and any adjournments thereof so that all GraphOn
Securities owned of record or beneficially owned by such Management Holder may
be counted for the purpose of determining the presence of a quorum.

      3. AFFILIATES. In the event any Affiliate of a Management Holder acquires
any Common Stock during the term of this Agreement, such Management Holder
agrees to use its best efforts to cause such Affiliate to become a party to this
Agreement. For purposes of this Agreement, an "Affiliate" of a Management Holder
shall be a person that controls, is controlled by or is under common control

                                       59
<PAGE>

with such Management Holder.

      4. TERMINATION OF AGREEMENT. This Agreement shall terminate upon the
earlier to occur of (a) the sale or transfer to third parties not affiliated
with the Investors of more than 50% of the Common Stock beneficially owned by
the Investors as of the date hereof, and (b) the approval of the Certificate of
Amendment.

      5. REPRESENTATIONS OF THE MANAGEMENT HOLDERS. Each Management Holder
hereby represents and warrants that such Management Holder (a) owns beneficially
and has the right to vote the Common Stock set forth opposite such Management
Holder's name on Schedule I, (b) such Management Holder has full power to enter
into this Agreement, and (c) such Management Holder will not take any action
inconsistent with the purposes and provisions of this Agreement.

      6. ENFORCEABILITY; REMEDIES; EXPENSES. Each Management Holder, in such
person's capacity as a stockholder, shall take any and all actions necessary for
the enforceability of this Agreement under Delaware law, including without
limitation making or causing the Company to make all necessary filings or
actions, if any, required by applicable Delaware corporate law. Each Management
Holder expressly agrees that this Agreement shall be specifically enforceable in
any court of competent jurisdiction in accordance with its terms including,
without limitation, the right to entry of restraining orders and injunctions,
whether preliminary, mandatory, temporary, or permanent, against a violation,
threatened or actual, and whether or not continuing, of such obligation, without
the necessity of showing any particular injury or damage, and without the
posting of any bond or other security, it being acknowledged and agreed that any
such breach or threatened breach would cause immediate and irreparable injury
and that money damages alone would not provide an adequate remedy. The Investors
shall be third party beneficiaries of this Agreement with the right to enforce
it in accordance with its terms. Without limitation on the other remedies of the
Investors, the Management Holders shall bear all of the Investors' expenses,
including reasonable legal fees and expenses, incurred in connection with the
enforcement of this Agreement.

      7. GENERAL PROVISIONS.

           (a) All of the covenants and agreements contained in this Agreement
shall be binding upon, and inure to the benefit of, the respective parties and
their successors, assigns, heirs, executors, administrators and other legal
representatives, as the case may be.

           (b) This Agreement, and the rights of the parties hereto, shall be
governed by and construed in accordance with the laws of the State of Delaware
applicable to a contract made and to be performed in Delaware.

           (c) This Agreement may be executed in one or more counterparts, each
of which will be deemed an original but all of which together shall constitute
one and the same instrument.

           (d) If any provision of this Agreement shall be declared void or

                                       60
<PAGE>

unenforceable by any court or administrative board of competent jurisdiction,
such provision shall be deemed to have been severed from the remainder of the
Agreement, and this Agreement shall continue in all respects to be valid and
enforceable.

           (e) Whenever the context of this Agreement shall so require, the use
of the singular number shall include the plural and the use of any gender shall
include all genders.

                            [Signature page follows]

                                       61
<PAGE>

      IN WITNESS WHEREOF, the parties hereto have executed this Voting Agreement
as of the date first above written.

                               ----------------------------------------
                               Robert Dilworth

                               ----------------------------------------
                               August Klein

                               ----------------------------------------
                               Michael Volker

                               ----------------------------------------
                               Gordon M. Watson

                               ----------------------------------------
                               William Swain

                                       62
<PAGE>

                                   SCHEDULE I

                               Management Holders

Name and Address              Shares of Common Stock        Common Stock
                                                          Underlying Options
Robert Dilworth                     53,820                     440,000
c/o GraphOn Corporation
3130 Winkle Avenue
Santa Cruz, CA 95065

August Klein                       150,760                     135,000
c/o GraphOn Corporation
3130 Winkle Avenue
Santa Cruz, CA 95065

Michael Volker                     106,200                     100,000
c/o GraphOn Corporation
3130 Winkle Avenue
Santa Cruz, CA 95065

Gordon M. Watson                     0                         120,000
c/o GraphOn Corporation
3130 Winkle Avenue
Santa Cruz, CA 95065

William Swain                     15,000                       420,000
c/o GraphOn Corporation
3130 Winkle Avenue
Santa Cruz, CA 95065

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