Document:

EXHIBIT 10.1

                       DATED THE 28TH DAY OF NOVEMBER 2003

                  (1) IMMTECH INTERNATIONAL, INC.

                         and

                  (2) MR. CHAN KON FUNG

                      and

                  (3) SUPER INSIGHT LIMITED

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                            SHARE PURCHASE AGREEMENT

                              relating to shares in

                              SUPER INSIGHT LIMITED

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                         Heller Ehrman White & McAuliffe
                                   35th Floor
                               One Exchange Square
                           8 Connaught Place, Central
                                    Hong Kong
                              Tel: (852) 2292-2000
                              Fax: (852) 2292-2200

<PAGE>

THIS AGREEMENT is made on the 28th day of November 2003

BETWEEN

(1)   IMMTECH INTERNATIONAL, INC., a company incorporated in Delaware with its
      principal place of business at 150 Fairway Drive, Suite 150, Vernon Hills,
      IL 60061, United States of America (the "Purchaser");

(2)   Mr. CHAN KON FUNG of Flat B, 16th Floor, 132 Broadway, Mei Foo Sun Chuen,
      Kowloon, Hong Kong (the "Seller"); and

(3)   SUPER INSIGHT LIMITED [CHINESE SYMBOLS], a company incorporated in
      the British Virgin Islands under the International Business Companies Act
      of the British Virgin Islands with Certificate of Incorporation numbered
      539689 whose registered office is at the offices of Offshore
      Incorporations Limited, P.O. Box 957, Offshore Incorporations Centre, Road
      Town, Tortola, British Virgin Islands (the "Company").

WHEREAS

(A)   As at the date hereof the Company has an authorised share capital of
      US$50,000.00 divided into one class of 50,000 ordinary shares of US$1.00
      each, of which 100 shares of the Company have been issued and are fully
      paid up. Further particulars of the Company are set out in Schedule 1.

(B)   Immtech Life Science Limited [CHINESE SYMBOLS] is a company incorporated
      in Hong Kong under the Companies Ordinance with registered number 851160
      whose registered office is at 35th Floor, One Exchange Square, 8 Connaught
      Place, Central, Hong Kong ("Life Science"), and as at the date hereof has
      an authorized share capital of HK$10,000.00 divided into one class of
      10,000 ordinary shares of HK$1.00 each, of which 100 shares have been
      issued to the Company and are fully paid up.

(C)   The Company beneficially owns, free and clear of any lien, charge or
      encumbrance, 100 shares of Life Science, of which 99 shares are registered
      in the name of the Company and 1 share is registered in the name of
      Professional Corporate Services Limited as the nominee of the Company.

(D)   It is a condition to Completion (as defined hereinunder) that Life Science
      shall possess good title to the Properties (as defined hereinunder) free
      and clear of all claims, charges, mortgages, liens, encumbrances, leases,
      tenancies, options, covenants, restrictions, conditions or other
      agreements affecting the Properties and have exclusive and unfettered
      possession of the Properties.

(E)   The Purchaser beneficially owns, free and clear of any lien, charge or
      encumbrance, 9,659,200 Shares of Lenton Fibre Optics Development Limited,
      a company incorporated in Hong Kong under the Companies Ordinance with
      registered number 673085 whose registered office is at 3rd Floor, A.I.E.
      Building, No. 33 Connaught Road, Central, Hong Kong ("Lenton").

(F)   The Purchaser wishes to purchase from the Seller, and the Seller wishes to
      sell to the Purchaser, the Transaction Shares (as hereinafter defined) and
      the Immtech Hong Kong Shares (as hereinafter defined) and therefor Immtech
      Hong Kong's interest in Immtech Therapeutics upon the terms and conditions
      set forth herein.

(G)   The Seller has agreed to guarantee the obligations of the Company
      hereunder.

NOW IT IS HEREBY AGREED as follows:-

1.    INTERPRETATION

1.01  In this Agreement, unless the context requires otherwise:-

"Accounting Date" means 30th September 2003;

"Accounts" means the management balance sheet of the Company made up as at the
Accounting Date and the management profit and loss account of the Company for
the year ended on that date, copies of which are annexed hereto and initialed
for the purposes of identification by the parties hereto [please provide];

"Agreement" means this agreement as amended, modified, varied or supplemented
from time to time;

"Appraisal" means a real estate appraisal of the Properties by a recognized
appraiser in the geographic region of the Properties certifying that the value
of the Properties is not less than the sum of the net book value of the
Consideration Shares on the books of the Purchaser plus US$400,000.00.

"Business Day" means any day on which banks in Hong Kong are open for business
other than a Saturday;

"Companies Ordinance" means the Companies Ordinance (Chapter 32 of the Laws of
Hong Kong);

"Completion" means completion of the purchase of the Transaction Shares and the
Immtech Hong Kong Shares as specified in Clause 5;

"Completion Date" means the Business Day falling not more than three Business
Days after all the conditions set out in Clause 4 have been satisfied or waived,
as applicable (or such other date as the parties may agree in writing prior to
Completion);

"Consideration Shares" means 9,659,200 shares in the capital of Lenton as
beneficially owned by the Purchaser or its nominee as at the date hereof;

"Deed of Indemnity" means the deed in the form set out in Schedule 4;

"HK$" means Hong Kong dollars, the lawful currency of Hong Kong;

"Hong Kong" means the Hong Kong Special  Administrative Region of the People's
Republic of China;

"PRC" means the People's Republic of China;

"Properties" means the properties particulars of which are set out in Schedule
2;

"Purchase Consideration" means the consideration payable for the Transaction
Shares as specified in Clause 3;

"Shares" means ordinary shares of US$1.00 each in the share capital of the
Company;

"Taxation" means and includes all forms of tax, levy, duty, charge, impost, fee,
deduction or withholding of any nature now or hereafter imposed, levied,
collected, withheld or assessed by any taxing or other authority in any part of
the world and includes any interest, additional tax, penalty or other charge
payable or claimed in respect thereof;

"Transaction Shares" means 100 Shares to be sold by the Seller to the Purchaser
pursuant to this Agreement; and

"US$" means United States dollars, the lawful currency of the United States of
America.

1.02 References to statutory provisions shall be construed as references to
those provisions as amended or re-enacted or as their application is modified by
other provisions (whether before or after the date hereof) from time to time and
shall include any provisions of which they are re-enactments (whether with or
without modification).

1.03 References herein to Clauses and Schedules are to clauses in and schedules
to this Agreement unless the context requires otherwise and the Schedules to
this Agreement shall be deemed to form part of this Agreement.

1.04 The expressions "the Purchaser", the "Company" and "the Seller" shall,
where the context permits, include their respective successors and permitted
assigns.

1.05 All representations, warranties, undertakings, indemnities, covenants,
agreements and obligations given or entered into by more than one person are
given or entered into severally and not jointly.

1.06 The headings are inserted for convenience only and shall not affect the
construction of this Agreement.

1.07 Unless the context requires otherwise, words importing the singular include
the plural and vice versa and words importing one gender include the other
gender.

1.08 A document expressed to be "in the approved terms" means a document the
terms of which have been approved by or on behalf of the parties hereto and a
copy of which has been signed for the purposes of identification by or on behalf
of the parties hereto.

1.09 Words and phrases the definitions of which are contained or referred to in
Section 2 of the Companies Ordinance, when used in this Agreement, shall be
construed as having the meanings thereby attributed to them.

2.    PURCHASE OF TRANSACTION SHARES

2.01 Subject to the terms and conditions of this Agreement, the Purchaser hereby
agrees to purchase the Transaction Shares from the Seller at the Purchase
Consideration payable in accordance with this Agreement and the Seller hereby
agrees to sell the Transaction Shares to the Purchaser on the Completion date at
the Purchase Consideration payable in accordance with this Agreement. No actions
to be taken at the Completion shall be deemed to have occurred until all have
occurred, and when all have occurred they shall be deemed to have occurred
simultaneously.

2.02 The Transaction Shares shall be sold free from all liens, charges, third
party rights and encumbrances of whatever nature and with all rights now or
hereinafter attaching thereto, and shall be transferred to the Purchaser and/or
its nominee and be recorded in the statutory registers of the Company and will
accordingly rank pari passu for all dividends and other distributions hereafter
declared, made or paid on the issued ordinary share capital of the Company on
and with effect from Completion.

2.03 The Company and the Seller represent and warrant to the Purchaser that all
necessary resolutions have been passed and other steps and actions have been
taken to approve the transfer of the Transaction Shares and the record the
Purchaser and/or its nominee as shareholder(s) of the Transaction Shares on the
statutory registers of the Company.

2.04 The Company and the Seller hereby confirm that no person or entity, as of
the date of this Agreement, has or will have, from the date of this Agreement to
the Completion Date, any right to purchase or subscribe for any Shares,
including the Transaction Shares, or any right to request or be allotted or
issued Shares from either the Seller or the Company, or any other shares of the
Company (including but not limited to shares of the Company in a class different
from that of the Shares).

3.    CONSIDERATION

The consideration for the Transaction Shares shall be US$400,000.00 in cash plus
the Consideration Shares.

4.    CONDITIONS

4.01  Completion shall be conditional upon:

      (a)   the Purchaser obtaining the consent to its execution of this
            Agreement from its Board of Directors in a form and in terms
            satisfactory to it;

      (b)   Life Science having acquired full title to the Properties free and
            clear of all claims, charges, mortgages, liens, encumbrances,
            leases, tenancies, options, covenants, restrictions, conditions or
            other agreements affecting the Properties and has obtained exclusive
            and unfettered possession of the Properties;

      (c)   the Purchaser being satisfied with the results of its due diligence
            investigations into the Company; and

      (d)   all representations, warranties and undertakings of the Seller and
            the Company being true, correct and complete as of the Completion
            Date.

4.02 The Purchaser shall have the discretion to waive all or any part of the
conditions set out in Clause 4.01 and any such waiver shall only be effective if
made in writing and may be subject to such conditions as the Purchaser deems
fit. Unless so waived, the parties (to the extent that each is able) shall use
all reasonable endeavours to procure the fulfillment of the conditions in Clause
4.01 by the date referred to in Clause 4.03.

4.03 If the conditions set out in Clause 4.01 are not fulfilled or waived, as
applicable, for any reason whatsoever within 90 days from the date of this
Agreement, the Purchaser or the Seller, as the case may be, shall have the right
to terminate this Agreement and upon the exercise of such right, this Agreement
(save for this Clause 4.03, Clause 7.04, Clause 8, Clause 9.03, Clause 10,
Clause 16.01 and Clause 16.02) shall forthwith be terminated and none of the
parties to this Agreement shall have any claim against any other party hereto
save for any antecedent breach.

5.    COMPLETION

5.01 Subject to this Agreement becoming unconditional in all respects,
Completion shall take place at 35th Floor, One Exchange Square, 8 Connaught
Place, Central, Hong Kong on the Completion Date or at such other place and time
as shall be mutually agreed by the parties, time in either case being of the
essence.

5.02 The Company and the Seller represent and warrant to the Purchaser that (i)
the Company and the Seller have the power and authority to enter into this
Agreement and to consummate the transactions contemplated hereby; (ii) this
Agreement has been duly executed and delivered by the Company and the Seller,
and constitutes a legal, valid and binding obligation of each of them,
enforceable in accordance with its terms; (iii) the Seller has good and
marketable title to the Transaction Shares free of liens, charges and
encumbrances; (iv) the shareholders of the Company have approved, at a duly
called and held shareholders' meeting, all actions and documents necessary and
convenient to the completion of the transactions described herein; and (v) the
Board of Directors of the Company has resolved and approved, at a duly called
and held meeting of the Company's Board of Directors, all actions and documents
necessary and convenient to the completion of the transactions described herein
and to enter the name(s) of the Purchaser and/or its nominee(s) in the register
of members of the Company as holders of the Transaction Shares.

5.03 At Completion, the Seller shall deliver or cause to be delivered to the
Purchaser:-

      (a)   a duly executed instrument of transfer and contract notes in respect
            of the Transaction Shares in favour of the Purchaser or its
            nominee(s);

      (b)   original share certificate in respect of 100 Shares in the name of
            the Seller;

      (c)   such other documents as may be required to give the Purchaser or
            its nominee(s) good title to the Transaction Shares free from all
            liens, charges, equities, encumbrances and third party rights of any
            nature and to enable the Purchaser or its nominee(s) to become the
            registered holders thereof;

      (d)   a copy, certified as true and complete by a director of the Company,
            of each of the minutes of the shareholders' meeting and the board
            meeting of the Company referred to in Clause 5.02 above;

      (e)   the Land Grant Contract and Title Certificate and other title
            documents and approvals to the Properties, showing title to the
            Properties to be in Life Science, for safekeeping on behalf of the
            Company and Life Science;

      (f)   the Deed of Indemnity duly executed by the Seller; and

      (g)   a cheque drawn in favour of the Government of Hong Kong for the full
            payment of the Seller's share of stamp duty in respect of the
            Consideration Shares.

5.04  At Completion, the Purchaser shall deliver to the Seller:-

      (a)   a bankers' draft in the amount of US$200,000.00 drawn on a prime
            bank in Hong Kong in favour of the Seller or as it may direct in
            writing (whose receipt shall be an absolute discharge thereof) in
            satisfaction of half of the cash part of the consideration as
            stipulated in Clause 3;

      (b)   a duly executed instrument of transfer and contract notes in respect
            of the Consideration Shares in favour of the Seller or its
            nominee(s);

      (c)   original share certificates in respect of the Consideration Shares
            in the name of the Purchaser or its nominee; and

      (d)   a signature page to the Deed of Indemnity duly executed by the
            Purchaser.

5.05 Nothing provided for in Clause 5.03 above to occur at Completion shall be
deemed to have occurred until all provided therein to occur at Completion shall
have occurred and when all such have occurred, all shall be deemed to have
occurred simultaneously.

5.06 Without prejudice to any other remedies available to the Purchaser, if in
any respect the provisions of Clause 5.02 and Clause 5.03 are not complied with
(other than as a result of the willful default of the Purchaser) by the Company
or the Seller (as the case may be) on the Completion Date, the Purchaser may:-

      (a)   defer Completion to a date not more than 28 days after the
            Completion Date (so that the provisions of Clause 5.03, Clause 5.04
            and Clause 5.05 shall apply to Completion as so deferred); or

      (b)   proceed to Completion so far as practicable (without prejudice to
            its rights hereunder); or

      (c)   rescind this Agreement.

6.    FURTHER OBLIGATIONS OF THE SELLER & THE PURCHASER

6.01 The Seller shall procure that the business of the Company be operated in a
manner consistent with past practices during the period from the date hereof
until Completion.

6.02 Between the date hereof and Completion, the Seller shall not, and shall
procure that the Company shall not, without the prior consent in writing of the
Purchaser, enter into any contracts or hire any employee or incur any single
expenditure in excess of US$2,000.00 or an aggregate expenditure in excess of
US$2,000.00.

6.03 The Seller undertakes to indemnify and keep indemnified the Purchaser (for
itself and as trustee for the Company) against any claim which may be brought by
any of the directors of the Company who resign or are intended to resign.

6.04 The Seller shall forthwith upon Completion:

      (a)   procure that four additional directors, all of whom shall be the
            nominees of the Purchaser, be appointed to the board of directors of
            the Company, and the Seller shall, upon such appointment, forthwith
            resign as a director of the Company with immediate effect;

      (b)   procure that four additional directors, all of whom shall be the
            nominees of the Purchaser, be appointed to the board of directors of
            Life Science;

      (c)   procure Professional Corporate Services Limited to resign from the
            board of directors of Life Science;

      (d)   procure that the name of the building of which the Properties form
            part of be changed to "Immtech Building" within nine (9) months of
            the execution of this Agreement by all the parties hereto, and agree
            to any future change of name of such building which may be proposed
            by the Purchaser as the Purchaser may be entitled or empowered to
            effect such change directly or indirectly through any subsidiary or
            entity or otherwise; and

      (e)   procure that the Deed of Mutual Covenant relating to the building of
            which the Properties form part of be signed by the relevant parties
            thereto and procure those relevant parties to do all such acts as
            are necessary (including the signing of the relevant letters of
            authorization) for the formation of the owners' committee stipulated
            in the Deed of Mutual Covenant referred to in this Clause.

6.05 The Seller shall pay all taxes and fees in respect of the Properties until
such time as the pharmaceutical manufacturing facility is constructed therein
and all operational permits in respect of such facility have been obtained.

6.06 The Purchaser shall, within two (2) months of the execution of this
Agreement by all the parties hereto, deliver to the Seller a bankers' draft in
the amount of US$200,000.00 drawn on a prime bank in Hong Kong in favour of the
Seller or as it may direct in writing (whose receipt shall be an absolute
discharge thereof) in satisfaction of the remaining half of the cash part of the
consideration as stipulated in Clause 3.

7.    REPRESENTATIONS, WARRANTIES AND UNDERTAKINGS

7.01 The Company and the Seller hereby represent, warrant and undertake to the
Purchaser (to the intent that the provisions of this Clause 7 shall continue to
have full force and effect notwithstanding Completion) in the terms set out in
Clause 2, Clause 5, this Clause 7 and in Schedule 3 and acknowledge that the
Purchaser, in entering into this Agreement, is relying on such representations,
warranties and undertakings and that the Purchaser shall be entitled to treat
the same as conditions to the obligations of the Purchaser under this Agreement.

7.02 The representations, warranties and undertakings set out in Clause 2,
Clause 5, this Clause 7 and in each paragraph of Schedule 3 shall be separate
and independent and save as expressly provided shall not be limited by reference
to any other paragraph or anything in this Agreement or the Schedules.

7.03 The representations, warranties and undertakings set out in Clause 2,
Clause 5, this Clause 7 and in each paragraph of Schedule 3 shall be true and
complete as of the date hereof and shall be deemed to be repeated as at
Completion as if all references therein to the date of this Agreement were
references to the date of Completion.

7.04 The Seller hereby undertakes to indemnify and keep indemnified the
Purchaser (for itself and as trustee for the Company) against any loss or
liability suffered by the Purchaser as a result of or in connection with any
breach of the said representations, warranties and undertakings including, but
not limited to, any diminution in the value of the assets of and any payment
made or required to be made by the Purchaser or the Company and any costs and
expenses incurred as a result of such breach provided that the indemnity
contained in this Clause shall be without prejudice to any other rights and
remedies of the Purchaser in relation to any such breach of representation,
warranty or undertaking and all such other rights and remedies are hereby
expressly reserved to the Purchaser.

7.05 The Seller represents and warrants that (i) the business of the Company
shall be operated in a manner consistent with past practices during the period
from the date hereof until Completion; and (ii) between the date hereof and
Completion, the Company shall not, without the prior consent in writing of the
Purchaser, enter into any contracts or hire any employee or incur any single
expenditure in excess of US$2,000.00 or an aggregate expenditure in excess of
US$2,000.00.

7.06 The representations, warranties and undertakings set out in Clause 2,
Clause 5, this Clause 7 and in each paragraph of Schedule 3 shall be deemed to
be repeated in respect of Life Science and all other subsidiaries and associates
of the Company so that all references therein to the Company shall be taken as
references to Life Science and all other subsidiaries and associates of the
Company so far as applicable.

8.    GUARANTEE

8.01 In consideration of the Purchaser entering into this Agreement, the Seller
as primary obligor hereby unconditionally and irrevocably guarantees by way of
continuing guarantee to the Purchaser the due and punctual performance and
observance by the Company of all obligations, commitments, undertakings,
agreements, representations, warranties, indemnities and covenants under or
pursuant to this Agreement and agrees to indemnify and keep indemnified the
Purchaser in full from and against all liabilities, losses, damages, claims,
costs and expenses (including all legal costs and expenses on a full indemnity
basis) which the Purchaser may suffer through or arising from any breach or
non-fulfillment by the Company of such obligations, commitments, undertakings,
agreements, representations, warranties, indemnities or covenants or as a result
of the failure by the Company to make any payment under the Agreement when due
or as a result of any of such obligations, commitments, undertakings,
agreements, representations, warranties, indemnities or covenants of the Company
being or becoming void, voidable or unenforceable for any reason whatsoever
(whether or not known to the Purchaser), the amount of such costs, expenses,
losses or damages being the amount which the Purchaser would have otherwise been
entitled to recover from the Company together with all expenses which the
Purchaser may incur in proceeding against the Company.

8.02 The Seller, as primary obligor, unconditionally and irrevocably agrees that
if and whenever the Company defaults for any reason whatsoever in the
performance of any obligation or liability undertaken or expressed to be
undertaken by it under or pursuant to this Agreement, the Seller shall forthwith
upon demand unconditionally perform (or procure performance of) and satisfy (or
procure the satisfaction of) the obligation or liability in regard to which such
default has been made in the manner prescribed by this Agreement and so that the
same benefits shall be conferred on the Purchaser as it would have received if
such obligation or liability had been duly performed and satisfied.

8.03 The guarantee and indemnity set out in this Clause shall be a continuing
security to the Purchaser for all obligations, commitments, undertakings,
representations, warranties, indemnities and covenants on the part of the
Company under or pursuant to this Agreement notwithstanding any settlement of
account or other matter or thing whatsoever and is in addition and without
prejudice to and not in substitution for any rights or security which the
Purchaser may now or hereafter have or hold for the performance and observance
of the obligations, commitments, undertakings, agreements, representations,
warranties, indemnities and covenants of the Company under or in connection with
this Agreement.

8.04 As a separate and independent stipulation, the Seller agrees that any
obligation expressed to be undertaken by the Company under this Agreement
(including, without limitation, any monies expressed to be payable under this
Agreement) which may not be enforceable against or recoverable from the Company
by reason of any legal limitation, disability or incapacity or any other fact or
circumstance shall nevertheless be enforceable against or recoverable from the
Seller as though the same has been incurred by the Seller and that the Seller
was the principal obligor in respect thereof and shall be performed or paid by
the Seller in accordance with the terms of this Agreement.

8.05 The obligations of the Seller under this Clause shall not be affected by
any matter or thing which but for this provision might operate to affect or
prejudice those obligations, including without limitation:

      (a)   any time or indulgence granted to, or composition with, the Company
            or any other person;

      (b)   the taking, variation, renewal or release of, or neglect to perfect
            or enforce this Agreement or any right, guarantee, remedy or
            security from or against the Company or any other person;

      (c)   any unenforceability or invalidity of any obligation of the Company,
            so that this Clause shall be construed as if there were no such
            unenforceability or invalidity;

      (d)   the liquidation, winding-up, receivership or bankruptcy of the
            Company or the bankruptcy or individual voluntary arrangement or any
            similar arrangement of the Seller; and

      (e)   any other act, matter, event or omission which, but for this
            provision, would or might operate to discharge, impair or otherwise
            affect the Seller's liabilities hereunder.

            The Seller waives any right available to it under any applicable law
which is inconsistent with any provision of this Clause 8 or which might
otherwise require the Purchaser to proceed against the Company or any other
person before making a demand on the Seller.

8.06 So long as any of the obligations, commitments, undertakings, agreements,
representations, warranties, indemnities and covenants of the Company under or
pursuant to this Agreement remains outstanding the Seller shall not exercise any
right of subrogation or any other right of a surety or enforce any security or
other right or claim against the Company or any other person whether in respect
of its liability under this Clause 8 or otherwise or claim in the insolvency,
liquidation or bankruptcy of the Company in competition with the Purchaser.

8.07 All payments under this Clause 8 shall be made in full without set-off or
counterclaim or any restriction or condition and free and clear of any present
or future taxes, duties, charges or other deductions or withholdings of any
nature. If any deduction or withholding is required to be made from any such
payment the Seller shall, together with such payment, pay to the Purchaser such
additional amount as is necessary to ensure that the Purchaser receives the full
amount due hereunder.

8.08 Notwithstanding anything to the contrary herein, the aggregate maximum
liability of the Seller in respect of any claims that may be made against him
hereunder and under other provisions of this Agreement shall be limited to ten
million United States dollars (US$10,000,000.00).

9.    ACCESS TO INFORMATION

9.01 From the date of this Agreement until Completion, the Purchaser, its
professional advisers and appointed representatives shall have the right upon
prior appointment to visit the facilities of the Company as they reasonably
require so as to:

      (a)   verify the accuracy of the representations, warranties and
            undertakings of the Seller or the Company contained herein;

      (b)   check the existence and condition of the assets thereat; and

      (c)   carry out a review of and investigation into the history, assets,
            liabilities, financial condition, contracts, commitments and the
            business of the Company.

9.02 The Company and the Seller hereby undertake with the Purchaser to ensure
that any information and documents required by the Purchaser or its professional
advisers or appointed representatives for the purposes of such review and
investigation referred to in Clause 9.01 shall be promptly made available, and
copies of such information and documents shall be permitted to be made by the
Purchaser or its professional advisers or appointed representatives. The
information and documents referred to under this Clause 9 include, but shall not
be limited to:

      (a)   the books of account of the Company including all accounts ledgers;

      (b)   the statutory books of the Company or copies thereof;

      (c)   a list of the assets, liabilities and receivables of the Company;

      (d)   details of all bank accounts of the Company (including the name and
            address of the bank with whom the account is kept and the number and
            nature of the account) and a statement of the credit and debit
            balance thereon as at the close of business on the date of this
            Agreement;

      (e)   copies of all licenses, agreements, agencies or all other documents
            which affect the Company;

      (f)   copies of all banking facility documentation entered into by the
            Company, if any;

      (g)   copies of all guarantees and any security documents entered into by
            the Company, if any; and

      (h)   all financial statements and accountants work papers of the Company.

9.03 The Purchaser hereby undertakes with the Company that it will not, prior to
Completion and save as required by law, make use of or disclose or divulge any
information relating to the Seller or the Company obtained by it or its
representatives pursuant to this Clause 9 to persons other than its own
officers, employees or professional advisers. Notwithstanding the foregoing, the
Purchaser undertakes to keep strictly confidential the business affairs and
prospects of the Seller and the Company unless any announcement or disclosure is
required to be made by law or any regulatory authority to which the Purchaser is
subject and in such event, the Purchaser shall consult with the Seller and the
Company before making any such announcement or disclosure.

10.   RESTRICTION ON ANNOUNCEMENTS

Each of the parties hereto undertakes that prior to Completion and thereafter it
will not (save as required by law or any rule of any relevant stock exchange or
any regulatory authority to which it is subject) make any announcement in
connection with this Agreement unless all the other parties hereto shall have
given its consent to such announcement (which consent may not be unreasonably
withheld or delayed and may be given either generally or in a specific case or
cases and may be subject to conditions).

11.   COUNTERPARTS

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

12.   ENTIRE AGREEMENT

This Agreement is the entire agreement among the parties, and, when executed by
the parties hereto, supersedes all prior agreements, understandings and
communications, either verbal or in writing, among the parties hereto with
respect to the subject matter contained herein. Any amendment or variation of
this Agreement must be in writing and duly signed by the parties hereto.

13.   WAIVER

Any failure by a party hereto to comply with any obligation, agreement or
condition herein may be expressly waived in writing by all the other parties
hereto, but no failure or delay by the Purchaser in exercising any right, power
or remedy under this Agreement shall operate as a waiver thereof, nor shall any
single or partial exercise of the same preclude any further exercise thereof or
the exercise of any other right, power or remedy. Without limiting the
foregoing, no waiver by the Purchaser of any breach by the Company or the Seller
of any provision hereof shall be deemed to be a waiver of any subsequent breach
of that or any other provision hereof. If at any time any provision of this
Agreement is or becomes illegal, invalid or unenforceable in any respect, the
legality, validity and enforceability of the remaining provisions of this
Agreement shall not be affected or impaired thereby.

14.   ASSIGNMENT

This Agreement and all of the provisions hereof shall be binding upon and shall
inure to the benefit of the parties hereto and their respective successors and
permitted assigns, but neither this Agreement nor any of the rights, interests
or obligations hereunder shall be assigned by any party hereto without the prior
written consent of all the other parties hereto.

15.   FURTHER ASSURANCE

Each party hereto shall do and perform or cause to be done and performed such
further acts and things and shall execute and deliver all such other agreements,
certificates, instruments and documents as any other party hereto may reasonably
request in order to give full effect to the terms of this Agreement.

16.   MISCELLANEOUS

16.01 Governing Law: Arbitration

      (a)   Any dispute arising out of or in connection with this Agreement
            shall be exclusively settled by confidential arbitration in Hong
            Kong at the Hong Kong International Arbitration Centre according to
            its rules. The arbitration shall be conducted by three arbitrators,
            one selected by the Purchaser, one selected by the Seller and the
            third by the two so selected within 21 days from the date the
            relevant dispute arises. The judgment of a majority of the
            arbitrators may be entered and enforced in any court of competent
            jurisdiction. The arbitrators shall have no authority to amend this
            Agreement.

      (b)   This Agreement shall be governed by and construed in all respects in
            accordance with the laws of Hong Kong, without regard to its laws
            regarding conflict of laws.

      (c)   The allocation of the costs relating to the arbitration as
            contemplated in this Clause 16.01 shall be determined by the decree
            of a majority of the arbitrators.

16.02 Notices

      Each notice, demand or other communication given or made under this
      Agreement shall be in writing and delivered or sent to the relevant party
      at its address or facsimile number set out below (or such other address or
      facsimile number as the addressee has by five (5) Business Days' prior
      written notice specified to the other parties):

                  To the Purchaser:-

                  Name:                   IMMTECH INTERNATIONAL, INC.
                  Address:                150 Fairway Drive, Suite 150,
                                          Vernon Hills, IL 60061,
                                          United States of America
                  Fax Number:             (001)-847-573-8288
                  Attention:              Mr. T. Stephen Thompson

                  To the Seller:-

                  Name:                   MR. CHAN KON FUNG
                  Address:                Flat B, 16th Floor, 132 Broadway,
                                          Mei Foo Sun Chuen, Kowloon, Hong Kong
                  Fax Number:             (852) 2541 5381

                  To the Company:

                  Name:                   SUPER INSIGHT LIMITED
                  Address:                35th Floor, One Exchange Square,
                                          8 Connaught Place, Central
                                          Hong Kong
                  Fax Number              (852) 3102-0698
                  Attention:              Ms. Lau Ching Yin Judy

16.03 Rescission

      Any right of rescission conferred upon the Purchaser hereby shall be in
      addition to and without prejudice to any other rights and remedies
      available to it.

16.04 Costs

      Each party to this Agreement shall bear its own costs of and incidental to
      this Agreement and the transactions contemplated hereunder provided that
      if the Purchaser shall lawfully exercise any right hereby conferred to
      rescind this Agreement the Seller shall indemnify the Purchaser against
      all costs and expenses without limiting to other remedies available at law
      or in equity, incurred in the preparation of this Agreement.

16.05 Time of the Essence

      Time shall be of the essence as regards any date or period mentioned in
      this Agreement or any date or period substituted for the same by agreement
      of the parties hereto or otherwise.

<PAGE>

IN WITNESS WHEREOF this Agreement has been executed on the day and year first
above written.

SIGNED by                           )
/s/ T. Stephen Thompson             )
---------------------------         )
T. Stephen Thompson                 )
for and on behalf of                )
IMMTECH INTERNATIONAL, INC.         )
                                    )
in the presence of :-               )

SIGNED by                           )
/s/ Chan Kon Fung                   )
--------------------------          )
MR. CHAN KON FUNG                   )
                                    )
in the presence of:-                )

/s/ Carson Wen
---------------------------
Carson Wen
Solicitor, Hong Kong SAR
Heller Ehrman White & McAuliffe

SIGNED by                           )
/s/ Chan Kon Fung                   )
---------------------------         )For and on behalf of
Chan Kon Fung                       )SUPER INSIGHT LIMITED
for and on behalf of                )
SUPER INSIGHT LIMITED               )        /s/ Chan Kon Fung
                                    )------------------------------------
in the presence of :-               )             Authorized Signature(s)

/s/ Carson Wen
---------------------------
Carson Wen
Solicitor, Hong Kong SAR
Heller Ehrman White & McAuliffe

<PAGE>

                                   SCHEDULE 1

                           Particulars of the Company

Name:                            SUPER INSIGHT LIMITED

Number:                          539689

Date of Incorporation:           28 March 2003

Place of Incorporation:          British Virgin Islands

Registered Office:               the offices of Offshore Incorporations Limited,
                                 P.O. Box 957, Offshore Incorporations Centre,
                                 Road Town, Tortola, British Virgin Islands

Authorized Share Capital:        US$50,000.00 divided into one class of 50,000
                                 ordinary shares of US$1.00 each

Issued Share Capital:            US$100.00 divided into one class of 100
                                 ordinary shares of US$1.00 each as at the date
                                 hereof

Director:                        Mr. Chan Kon Fung

                          No. of Shares held
Shareholder               as at the date hereof
-----------               ---------------------

Mr. Chan Kon Fung                  100

<PAGE>

                                   SCHEDULE 2

                                 The Properties

                                                               Real Estate
 Description of the                                         Certificate Nos.
     Properties           Address            Land No.      of the Properties
 ------------------       -------            --------      -----------------

The first and            Taohua Road,       B105-29-2      Shenfangdizi No.
second floors            Futian Bonded                     9000305 and
of [CHINESE              Zone, Shenzhen,                   Shenfangdizi No.
SYMBOLS]                 People's Republic                 9000306
                         of China

<PAGE>

                                   SCHEDULE 3

                 Representations, Warranties and Undertakings

Corporate Matters

1.    The Company has been duly incorporated and is validly existing under the
      laws of the British Virgin Islands and has full power, authority and legal
      right to own its assets and carry on its business in the manner presently
      conducted and the Company is not in receivership or liquidation, it has
      taken no steps to enter into liquidation and no petition has been
      presented for winding up the Company and there are no grounds on which a
      petition or application could be based for the winding up or appointment
      of a receiver of the Company or any part of its business or assets.

2.    The Company does not have any subsidiary or own directly or indirectly,
      any equity security or other interests in any company partnership or other
      business entity, except being the sole beneficial shareholder of Life
      Science.

3.    There are no options, warrants, convertible securities or other rights or
      agreements outstanding which call for the issue or purchase of or accord
      to any person (i) the right to call for the issue of any Shares in the
      capital of the Company or the issue of any such options, warrants,
      convertible securities or rights; or (ii) the right to require the
      creation of any mortgage, charge, pledge, lien or other security or
      encumbrance over the Shares or any shares in the capital of the Company.

4.    A copy of the Memorandum of Association and Articles of Association of the
      Company which has been produced to the Purchaser are accurate and complete
      in all material respects and have attached to it copies of all resolutions
      and agreements which are required to be so attached. The Company has
      complied with its Memorandum of Association and Articles of Association in
      all material respects and none of the activities, agreements, commitments
      or rights of the Company is ultra vires or unauthorised or in violation of
      any applicable laws.

5.    Each of the Seller and the Company has full power and authority and all
      necessary consents, approvals and authorisations to empower it to enter
      into this Agreement and to incur and perform fully the obligations
      provided for herein and (in the case of the Seller only) to sell the
      Transaction Shares and to incur and perform fully the obligations provided
      in the Deed of Indemnity.

6.    This Agreement has been duly executed and delivered by the Seller and the
      Company and constitutes valid and binding obligations of the Seller and
      the Company and enforceable against them respectively in accordance with
      its terms.

7.    The Transaction Shares will, upon Completion, constitute 100% of the
      issued share capital of the Company and the Transaction Shares will be
      sold free from all liens, charges, third party rights and encumbrances of
      whatever nature and will be credited as fully paid in the manner referred
      to in Clause 2.02 and will rank pari passu in all respects as one class of
      shares with the remainder of the ordinary shares in the capital of the
      Company and will rank pari passu for all dividends and other distributions
      hereafter declared, made or paid on the issued ordinary share capital of
      the Company on and with effect from Completion.

8.    All statutory and other books and records of the Company are and have,
      since its incorporation, been kept up to date, and will on Completion be
      up to date and properly, accurately and consistently completed and are a
      complete or will on Completion be complete and show an accurate record of
      all acts and transactions of the Company and of all matters required by
      law or best business practice to be recorded or registered therein and all
      such documents are in the possession of the Company. The Company has not
      received any notice of any application or intended application under the
      International Business Companies Act of the British Virgin Islands for
      rectification of the Company's register and all annual or other returns
      required to be filed with the Registrar of Companies of the British Virgin
      Islands have been properly filed within any applicable time limit and all
      legal requirements relating to the formation of the Company and the issue
      of shares and other securities have been complied with.

Trading and General Commercial Matters

9.    The Company has good and marketable title to all stocks used in its
      business free from any liens, mortgages, charges, encumbrances or other
      third party rights and the stock is in good condition and of normal
      merchantable quality and capable of being sold by the Company in the
      ordinary course of business.

10.   The fixed and loose plant, machinery, furniture, fixtures and fittings,
      equipment and vehicles and the tangible assets used in connection with the
      business of the Company and all other fixed assets referred to in the
      Accounts and any additions thereto made since the Accounting Date are the
      sole and absolute property of and held by the Company free from any liens,
      mortgages, charges, encumbrances, hire or hire purchase agreements, credit
      sale agreements or agreements for payment on deferred terms or bills of
      sale and the Company has good and marketable title thereto and all such
      assets are in the possession or under the control of the Company and,
      where it is disclosed that any such assets have been disposed of, they
      have not been disposed of at less than book value. Neither the
      construction, positioning nor use of any of the Company's assets, nor the
      assets themselves contravene any relevant provision of any legislation,
      regulation or other requirement having the force of law, and all such
      assets owned or used by the Company are in good repair and capable of
      being used for the purposes for which they were designed, acquired or used
      by the Company and have throughout their period of ownership by the
      Company been maintained and serviced in accordance with their
      manufacturers' recommendations.

11.   There are no loans, guarantees, pledges, mortgages, charges, liens,
      debentures, encumbrances or unusual liabilities given, made or incurred by
      or on behalf of the Company.

12.   The books of accounts of the Company accurately present and reflect in
      accordance with generally accepted accounting principles and standards
      within the Company's jurisdiction of incorporation, a true and fair view
      of all assets and liabilities (including any liability for Taxation) of
      the Company and all transactions entered into by the Company or to which
      it has been a party and all documents which are subject to stamp or
      similar duty have been duly stamped.

13.   The Company is not a party to :-

      (a)   any contract which involves or is likely to involve obligations,
            restrictions or expenditure of an unusual or onerous nature or
            which, in accordance with its terms, cannot or will not be fulfilled
            or performed within three (3) months from the date of such contract;

      (b)   any contract materially or adversely affecting its business or
            assets or restricting the Company's freedom of action in relation to
            its normal business activities;

      (c)   any contracts not made in the ordinary course of business;

      (d)   any contracts for the purchase of materials, supplies or equipment
            which are in excess of the requirements of the Company for its
            normal operating purposes or require expenditure in excess of fifty
            thousand Hong Kong dollars (HK$50,000.00);

      (e)   any sales agency, distribution, marketing, purchasing or licensing
            agreements;

      (f)   any joint venture, agency or partnership arrangement or agreement or
            similar arrangement or agreement except for this Agreement;

      (g)   any contract for services (other than contracts for the supply of
            normal office services).

14.   There are no contracts or obligations, agreements or arrangements to which
      the Company is a party or by which the Company is bound which are void,
      illegal, unenforceable, registrable or notifiable under or contravening
      any laws or regulations.

15.   There are no agreements (including any lease or license) concerning the
      Company which can be terminated or which have been terminated or under
      which the rights of any person are liable to be materially adversely
      affected as a result of a change in control of the Company or in the
      composition of the Board of Directors of the Company.

16.   The Company has no liabilities except liabilities arising in the ordinary
      course of business under purchase orders, supply contracts, sale
      contracts, or other liabilities not required by generally accepted
      accounting principles to be referred to in the Accounts and the Company is
      not owed any moneys other than trade debts and cash at bank.

17.   The Company has provided to the Purchaser full and accurate details of
      each bank, or other financial institution at which the Company has an
      account or safety deposit box and the names of all persons authorised to
      draw thereon or have access thereto.

18.   All amounts received by the Company have been deposited with one or other
      such banks or other financial institutions as appear in the appropriate
      accounting books.

19.   There are no loans, guarantees, pledges, mortgages, charges, liens,
      debentures, encumbrances or liabilities given, made or incurred by or on
      behalf of the Company (and, in particular, but without limiting the
      foregoing, no loans have been made by or on behalf of the Company to any
      directors or shareholders of the Company) and no director or other person
      has given any guarantee of or security for any financial or other
      obligation of the Company.

20.   The Company is not in default under any provision of any contract or
      agreement (including any lease or license) to which it is a party or by
      which it is bound and no event has occurred which constitutes a default,
      or which with the giving of notice or the passage of time or otherwise,
      would constitute a default under such contract or agreement (including any
      lease or license) or which would require the premature repayment of any
      loans or other amounts due thereunder and no party with whom the Company
      has entered into any agreement is in default thereunder.

21.   Other than the authorization given to the Seller to attend to the change
      of name of the building of which the Properties form part to "Immtech
      Building", the Company has given no powers of attorney and no other
      authority express, implied or ostensible which is still outstanding or
      effective to any person to enter into any contract or commitment to do
      anything on its behalf other than the authority of employees to enter into
      routine trading contracts in the normal course of their duties.

22.   The Company is not the subject of any official investigation or inquiry
      and there are no facts or circumstances which are likely to give rise to
      any such investigation or inquiry.

23.   The Company has at all times carried on its business in compliance with
      all, and is not in violation of any applicable laws and regulations and
      neither the Company, nor any of its officers, has committed any criminal
      offence or any tort or any breach of the requirements or conditions of any
      statute, treaty, regulation, bye-law or other obligation relating to the
      Company or the carrying on of its business and without prejudice to the
      generality of the foregoing the Company has obtained all licenses and
      consents necessary for the carrying on of its current business, and all
      such licenses and consents are valid and subsisting and all conditions
      attached thereto have been complied with in full and there is no reason
      why any of them should be suspended, cancelled or revoked.

24.   There is no order, decree or judgment of any court or any governmental or
      regulatory authority (whether of Hong Kong or any other jurisdiction)
      applicable to or binding upon the Company. There is no provision of any
      statute, rule or regulation applicable to or binding upon the Company
      which adversely affects the business, prospects, assets or condition,
      financial or otherwise, of the Company.

25.   Save as required by applicable law, there is no restriction whatsoever on
      the ability of the Company to declare and pay any dividends or to make
      other distributions.

26.   The directors of the Company will not pending Completion invite any
      employees of the Company, including executive directors, to enter into any
      options to subscribe for Shares or receive any other incentive from the
      Company or any Seller.

The Properties

27.   The Properties comprise all the properties and premises owned or occupied
      by the Company and any of its subsidiaries or associates at the date
      hereof and all the estate, interest, right and title whatsoever of the
      Company and/ or any of its subsidiaries or associates in, under, over or
      in respect of any properties or premises and the descriptions set out in
      Schedule 2 are correct and not misleading.

28.   Life Science possesses good title to the Properties free and clear of all
      claims, charges, mortgages, liens, encumbrances, leases, tenancies,
      options, covenants, restrictions, conditions or other agreements affecting
      the same and Life Science has exclusive and unfettered possession of the
      Properties. The Properties are fully capable of being used as a plant for
      pharmaceutical manufacturing and do not possess any attribute that may
      affect any such plant to be operated in the Properties from satisfying the
      relevant Good Manufacturing Practice standard.

29.   The title to the Properties is properly constituted by and can be deduced
      from documents of title which are in the possession and under the control
      of Life Science and Life Science is the registered and beneficial owner of
      the Properties and there are no entries in the relevant PRC authorities or
      elsewhere against the Properties which are adverse to the title of Life
      Science to any of the Properties.

30.   The present use of the Properties is a permitted use for the purpose of
      the relevant planning or building regulations and is not adversely
      affected or likely to be adversely affected by any planning proposals and
      Life Science is not a temporary user or user subject to any conditions
      giving rise to abnormal expenditure.

31.   The Properties are not affected by any order or notice of or proceedings
      involving any governmental or local authority or other body or any
      agreement with any of the same or by any notices served by the Company or
      its wholly-owned subsidiary on any such authority or body.

32.   The Properties comply with all statutes, regulations, bye-laws and other
      relevant legislation.

33.   All policies of insurance relating to the Properties (including fixtures,
      fittings and consents) are current and valid, cover the full
      re-instatement value thereof (including where the relevant property is
      let, five (5) years' loss of rent and where the relevant property is under
      construction, a contractor's all risks policy) and are not subject to any
      special or unusual terms or restrictions or to the payment of any premium
      in excess of the normal rate for policies of the same kind and in respect
      of policies on properties held on lease where the Company is responsible
      for maintaining insurance, the policy conforms in all respects with the
      requirements of the lease under which each of the Properties is held.

34.   The Company has entered into agreements with water, sewage and other
      utilities authority for the supply of water, sewerage and other utilities
      and all such agreements are in full force and effect.

35.   There are no mortgages, charges or debentures affecting any of the
      Properties.

Confidential Information

36.   The Company does not use any processes and is not engaged in any
      activities which involve the misuse of any know-how, lists of customers or
      suppliers, trade secrets, technical processes or other confidential
      information ("Confidential Information") belonging to any third party.
      There has been no actual or alleged misuse by any person of any of its
      Confidential Information. The Company has not disclosed to any person any
      of its Confidential Information except where such disclosure was properly
      made in the normal course of the Company's business and was made subject
      to an agreement under which the recipient is obliged to maintain the
      confidentiality of such Confidential Information and is restrained from
      further disclosing it or using it other than for the purposes for which it
      was disclosed by the Company.

Intellectual Property Rights

37.   The Company does not use any processes and is not engaged in any
      activities which infringe any patents, copyrights, trademarks, designs,
      business names or other registrable or unregistrable intellectual property
      rights ("Intellectual Property Rights") of any third party. The Company
      does not own or use any Intellectual Property Rights in connection with
      its business.

Business Names

38.   The Company does not carry on business under any name other than its own.

Insurance

39.   All assets of the Company of an insurable nature have at all times been
      and are insured in amounts to the full replacement value thereof against
      such risks as are in accordance with good commercial practice normally
      insured against in the PRC and the Company has at all times been
      adequately covered against accident, third party, public liability,
      product liability and other risks normally covered by insurance and
      nothing has been done or omitted to be done by or on behalf of the Company
      which would make any policy of insurance void or voidable or enable the
      insurers to avoid the same and there is no claim outstanding under any
      such policy and there are no circumstances likely to give rise to such a
      claim or result in an increased rate of premium on their next renewal.

40.   All information furnished in obtaining or renewing the insurance policies
      of the Company was correct, full and accurate when given and any change in
      that information required to be given was correctly given. The Company is
      not in default under any of these policies.

41.   The Company has not suffered any uninsured, extraordinary or unusual
      losses nor waived any rights of material or substantial value nor allowed
      any insurance to lapse.

Litigation

42.   The Company is not engaged in any litigation, arbitration, prosecution or
      other legal proceedings nor is there any such proceeding pending or to the
      knowledge of the Company threatened against or involving the Company
      (whether as plaintiff or defendant or otherwise) nor is there any claim or
      any fact or circumstance which may give rise to a claim against the
      Company or against any person for whose acts or defaults the Company may
      be vicariously liable.

43.   In particular but without prejudice to the generality of the foregoing
      there are no disputes between the Company and its customers, suppliers or
      employees in relation to defective or unsafe goods, plant or work or any
      loss, damage or personal injury resulting therefrom.

44.   There is no unsatisfied judgment, court order or tribunal or arbitral
      award outstanding against the Company and no distress, execution or
      process has been levied on any part of its business or assets.

Matters since the Accounting Date

45. Since the Accounting Date:

      (a)   Save for this Agreement, the Company has not incurred or become
            subject to any liability (whether for Taxation or otherwise) or
            obligation (absolute or contingent);

      (b)   to the best knowledge of the Company, no event, circumstance,
            occurrence, fact, condition, change or effect that is adverse to the
            business, operations, results of operations, financial condition,
            prospects, properties, assets or liabilities of the Company has
            occurred or is likely to occur;

      (c)   there has been no interruption or alteration in the nature, scope or
            manner of the business of the Company which business has been
            carried on lawfully and in the ordinary and usual course of business
            so as to maintain it as going concern;

      (d)   there has been no adverse change in the customer relations of the
            said business or in the financial condition or the position,
            prospects, assets or liabilities of the said business or the Company
            as compared with the position disclosed by the Accounts and no
            damage, destruction or loss (whether or not covered by insurance)
            affecting the said business or its assets;

      (e)   the Company has continued to pay its creditors in the ordinary
            course of business;

      (f)   no tender, quotation or offer issued by the Company and still
            outstanding is or will be capable of giving rise to a contract
            merely by an order, acceptance or other action by another party;

      (g)   the Company has not repaid any loan capital in whole or in part
            (other than indebtedness to its bankers) nor has it become bound or
            liable to be called upon to repay prematurely any loan capital or
            borrowed moneys;

      (h)   the Company has not waived or released any rights howsoever arising;

      (i)   the Company has not incurred any capital expenditures, made any
            capital commitments or disposed of any fixed assets;

      (j)   the Company has not hired or dismissed any employees;

      (k)   no sum or benefit has been paid, applied or voted to any officer or
            employee of the Company by way of remuneration, bonus, incentive or
            otherwise in excess of the amounts paid or distributed to them by
            the Company at the Accounting Date so as to increase their total
            remuneration and no new service agreements have been made or renewed
            by the Company since the Accounting Date and the Company is under no
            contractual or other obligation in respect thereof nor has the
            Company changed the terms of service of any officer or employee;

      (l)   no dividends, bonuses or other distributions have been paid or made
            in respect of any of the Shares;

      (m)   no share or loan capital of the Company has been issued or agreed to
            be issued or any option or right therefor granted;

      (n)   the Company has not undergone any capital reorganisation or change
            in its capital structure;

      (o)   no resolutions have been passed other than the resolutions to
            approve this transaction, by the Company and nothing has been done
            in the conduct or management of the affairs of the Company which
            would be likely to materially reduce the net asset value of the
            Company;

      (p)   the Company has not incurred or become subject to any liability or
            obligation (absolute or contingent) except current liabilities and
            obligations incurred under contracts entered into in the ordinary
            course of business; and

      (q)   the Company has not discharged or satisfied any lien or encumbrance
            or any other obligation or liability (absolute or contingent) other
            than liabilities disclosed in the Accounts as at the Accounting Date
            and current liabilities incurred since the Accounting Date in the
            ordinary course of business.

Accuracy of Information Provided

46.   All information contained in this Agreement (including the recitals and
      the Schedules) is true and accurate.

47.   All written information given or provided to the Purchaser and its
      professional advisers by the Company, its professional advisers and the
      officers of the Company during the negotiations prior to this Agreement
      was when given, and is at the date hereof, true and accurate and all
      statements of opinion, intention or expectation in relation to the Company
      contained in such information were as at the time of such disclosure and
      will, immediately prior to Completion, having regard to circumstances then
      subsisting, remain truly and honestly held and had been made after due and
      careful consideration. There is no fact, omission, matter or circumstance
      which has not been disclosed in writing to the Purchaser or its
      professional advisers which renders any such information untrue,
      inaccurate or misleading or which might reasonably affect the willingness
      of the Purchaser to proceed with the purchase of the Transaction Shares on
      the terms of this Agreement.

48.   There is no fact or matter concerning the Company and its business and
      affairs which has not on the basis of the utmost good faith been disclosed
      prior to the date of this Agreement in writing to the Purchaser by the
      Company which might reasonably affect the willingness of the Purchaser to
      proceed with the purchase of the Transaction Shares on the terms of this
      Agreement.

General

49.   The execution and delivery of this Agreement and the consummation of the
      transactions contemplated hereby will not result in the breach or
      cancellation or termination of any of the terms or conditions of or
      constitute a default under any agreement, commitment or other instrument
      to which the Company is a party or by which the Company or its property or
      assets may be bound or affected or violate any law or any rule or
      regulation of any administrative agency or governmental body or any order,
      writ, injunction or decree of any court, administrative agency or
      governmental body affecting the Company.

<PAGE>

                                   SCHEDULE 4

                                Deed of Indemnity

THIS DEED OF INDEMNITY is made on the 28th day of November 2003

BETWEEN

(1)   Mr. CHAN KON FUNG of Flat B, 16th Floor, 132 Broadway, Mei Foo Sun Chuen,
      Kowloon, Hong Kong (the "Seller");

(2)   IMMTECH INTERNATIONAL, INC., a company incorporated in Delaware with its
      principal place of business at Suite 150, 150 Fairway Drive, Vernon Hills,
      IL 60061, United States of America (the "Purchaser"); and

(3)   SUPER INSIGHT LIMITED, a company incorporated in the British Virgin
      Islands under the International Business Companies Act of the British
      Virgin Islands with Certificate of Incorporation numbered 539689 whose
      registered office is at the offices of Offshore Incorporations Limited,
      P.O. Box 957, Offshore Incorporations Centre, Road Town, Tortola, British
      Virgin Islands (the "Company").

WHEREAS

(A)   By a Share Purchase Agreement dated 28 November 2003 (the "Agreement")
      made between (1) the Seller, (2) the Purchaser and (3) the Company, the
      Purchaser has agreed, inter alia, to purchase and the Seller has agreed,
      inter alia, to sell the Transaction Shares (as defined in the Agreement)
      on the terms and conditions therein contained, and the Seller has agreed
      to guarantee the obligations of the Company thereunder.

(B)   It is a condition of the completion of the Agreement that the Seller
      deliver to the Purchaser this Deed of Indemnity as duly executed.

NOW THIS DEED WITNESSES as follows:-

1.    INTERPRETATION

1.01  In this Deed, unless the context requires otherwise:-

      (a)   words and expressions and other rules of interpretation defined,
            used or set out in the Agreement have the same meanings and
            application in this Deed;

      (b)   "Claim" means any assessment, notice, demand or other document
            issued or action taken by or on behalf of any person, authority or
            body whatsoever and of whatever country from which it appears that
            the Company is liable or is sought to be made liable to make any
            payment or is deprived or is sought to be deprived of any relief or
            allowance or credit or right to repayment of Taxation;

      (c)   "event" includes (without limitation) the death of any person, any
            action, omission or transaction whether or not the Company is a
            party thereto and includes completion of the purchase of the
            Transaction Shares by the Purchaser and references to the result of
            events on or before the date hereof shall include the combined
            result of two or more events one or more of which shall have taken
            place before the date hereof;

      (d)   references to income or profits or gains earned, accrued or received
            shall include income or profits or gains deemed to have been or
            treated as or regarded as earned, accrued or received for the
            purposes of any legislation;

      (e)   references to a Claim shall include any Claim whether made before or
            after the date hereof and whether satisfied or unsatisfied at the
            date hereof and shall also include:

            (i)   the loss of any relief, allowance or credit granted by or
                  pursuant to any legislation or otherwise for Taxation purposes
                  which could but for the Claim in question have been available
                  to the Purchaser or the Company whether or not the said loss
                  results in any Taxation being payable at the time of such
                  loss; and

            (ii)  the nullifying or cancellation of a right to repayment of
                  Taxation which would have been so available or is at the date
                  hereof assumed by the Company or the Purchaser to be
                  available;

            and in such a case the amount of Taxation which could otherwise have
            been relieved, allowed or credited by the relief allowance or credit
            so lost or the amount of repayment which would otherwise have been
            obtained shall be treated as an amount of Taxation for which a
            liability has arisen; and

      (f)   references to the Agreement shall be construed as references to the
            Agreement as amended or supplemented from time to time.

1.02 The expressions "the Company", "the Seller" and "the Purchaser" shall,
where the context permits, include their respective successors, personal
representatives and assigns.

2.    INDEMNITY

      Subject as hereinafter provided, the Seller hereby undertakes to indemnify
      and keep indemnified the Purchaser (for itself and as trustee for the
      Company) and the Company against any loss or liability suffered by the
      Purchaser or the Company including, but not limited to, losses resulting
      from any breach of representations, warranties or covenants contained in
      this Deed or the Share Purchase Agreement and any diminution in the value
      of the assets of or shares in the Company, any payment made or required to
      be made by the Purchaser or the Company and any costs and expenses
      incurred as a result of or in connection with any Claim falling on the
      Company resulting from or by reference to any income, profits or gains
      earned, accrued or received on or before the date hereof or any event on
      or before the date hereof whether alone or in conjunction with other
      circumstances and whether or not such is chargeable against or
      attributable to any other person, firm or company.

3.    EXCEPTIONS

      The indemnities given by this Deed do not cover any Claim:

      (a)   to the extent that provision or reserve in respect thereof has been
            made in the Accounts or to the extent that payment or discharge of
            such Claim has been taken into account therein; or

      (b)   for which the Company is primarily liable as a result of
            transactions in the ordinary course of its business after the
            Accounting Date.

4.    COSTS AND EXPENSES

      The indemnities given by this Deed shall cover all costs and expenses (on
      a full indemnity basis) incurred by the Purchaser or the Company in
      connection with any Claim, and any penalties, fines or interest payable by
      the Purchaser or the Company relating to any Claim for which the Seller is
      liable under this Deed.

5.    REIMBURSEMENT

      In the event that any Claim the subject of an indemnity hereunder is or
      has been discharged (whether by payment or by the loss of any relief,
      allowance, credit or right to repayment of Taxation) or suffered by the
      Company the indemnity given hereunder shall take effect as a covenant by
      the Seller forthwith to reimburse the Company for any amount so paid or to
      compensate the Company for any loss of relief, allowance, credit or right
      to repayment so suffered.

6.    SET-OFF AND DEDUCTIONS

      All payments to be made by the Seller under this Deed shall be made in
      full without set-off or counterclaim or any restriction or condition and
      free and clear of any present or future taxes, duties, charges or other
      deductions or withholdings of any nature. If any deduction or withholding
      is required by law to be made from any such payment the Seller shall,
      together with such payment, pay such additional amount as is necessary to
      ensure that the recipient receives the full amount due hereunder.

7.    WAIVER AND SEVERABILITY

      No failure or delay by the Purchaser or the Company in exercising any
      right, power or remedy under this Deed shall operate as a waiver thereof,
      nor shall any single or partial exercise of the same preclude any further
      exercise thereof or the exercise of any other right, power of remedy. If
      at any time any provision of this Deed is or becomes illegal, invalid or
      unenforceable in any respect, the legality, validity and enforceability of
      the remaining provisions of this Deed shall not be affected or impaired
      thereby.

8.    ASSIGNMENT

      The Purchaser and the Company may assign their respective rights and
      benefits under this Deed.

9.    NOTICES

      Each notice, demand or other communication given or made hereunder shall
      be in writing and delivered or sent to the relevant party at its address
      or fax number set out below (or such other address or fax number as the
      addressee has by five (5) days' prior written notice specified to the
      other parties):

            To the Seller:          Name:       Mr. Chan Kon Fung
                                    Address:    Flat B, 16th Floor, 132
                                                Broadway, Mei Foo Sun Chuen,
                                                Kowloon, Hong Kong
                                    Fax Number: (852) 2541 5381

            To the Purchaser:       Name:       Immtech International, Inc.
                                    Address:    150 Fairway Drive, Suite 150,
                                                Vernon Hills, IL 60061,
                                                United States of America
                                    Fax Number: (001)-847-573-8288
                                    Attention:  Mr. T. Stephen Thompson

            To the Company:         Name:       Super Insight Limited
                                    Address:    35th Floor, One Exchange
                                                Square, 8 Connaught Place,
                                                Central,
                                                Hong Kong
                                    Fax Number: (852) 3102 0698
                                    Attention:  Ms. Lau Ching Yin Judy

      Any notice, demand or other communication so addressed to the relevant
      party shall be deemed to have been delivered (a) if given or made by
      letter, when actually delivered to the relevant address; and (b) if given
      or made by fax, when dispatched.

10.   GOVERNING LAW; ARBITRATION

      (a)   Any dispute arising out of or in connection with this Deed of
            Indemnity shall be exclusively settled by confidential arbitration
            in Hong Kong at the Hong Kong International Arbitration Centre
            according to its rules. The arbitration shall be conducted by three
            arbitrators, one selected by the Purchaser, one selected by the
            Seller, and the third by the two so selected within 21 days from the
            date the relevant dispute arises. The judgment of a majority of the
            arbitrators may be entered and enforced in any court of competent
            jurisdiction. The arbitrators shall have no authority to amend this
            Deed of Indemnity.

      (b)   This Deed shall be governed by and construed in all respects in
            accordance with the laws of Hong Kong, without regard to its laws
            regarding conflict of laws.

      (c)   The allocation of the costs relating to the arbitration as
            contemplated in this Clause 10 shall be determined by the decree of
            a majority of the arbitrators.

<PAGE>

IN WITNESS WHEREOF this Deed has been executed on the day and year first above
written.

SIGNED, SEALED AND DELIVERED     )
by /s/ Chan Kon Fung             )
   ----------------------------  )
Mr. Chan Kon Fung                )
in the presence of:              )

/s/ Carson Wen
-------------------------------
Carson Wen
Solicitor; Hong Kong
Heller Ehrman White & McAuliffe

SEALED with the COMMON SEAL OF   )
IMMTECH INTERNATIONAL, INC.      )
and SIGNED by                    )
/s/ T. Stephen Thompson          )
-------------------------------  )
T. Stephen Thompson              )
its director(s)/ person(s)       )
 duly authorized by              )
its Board of Directors           )
in the presence of:              )

SEALED with the COMMON SEAL OF   )
SUPER INSIGHT LIMITED            )
and SIGNED by                    )
/s/ Chan Kon Fung                )
-------------------------------  )
Chan Kon Fung                    )
its director(s)/ person(s) duly  )
 authorized by                   )
its Board of Directors           )
in the presence of:              )

/s/ Carson Wen
-------------------------------
Carson Wen
Solicitor; Hong Kong
Heller Ehrman White & McAuliffeExhibit 10.2

                     ALLONGE TO SHARE PURCHASE AGREEMENT AND
                                DEED OF INDEMNITY
                   relating to shares in Super Insight Limited

THIS ALLONGE is made on the 28th day of November 2003.

WHEREAS

(A)   On 28 November, 2003, a Share Purchase Agreement (the "Purchase
      Agreement") was entered into between Immtech International, Inc. (the
      "Purchaser"), Mr. Chan Kon Fung (the "Seller") and Super Insight Limited
      (the "Company").

(B)   On 28 November, 2003, a Deed of Indemnity (the "Original Deed of
      Indemnity") was entered into between the Purchaser, the Seller and the
      Company.

(C)   The parties hereto wish to amend and add to the Purchase Agreement and the
      Original Deed of Indemnity by execution of this Allonge.

NOW, THEREFORE, for good and valuable consideration and intending to be legally
bound hereby, the parties hereto agree as follows:

I.    INTERPRETATION

A.    Capitalized terms used herein (including the Recitals) and not otherwise
      defined herein and except where the context otherwise requires shall have
      the meanings set forth for such terms in the Purchase Agreement or the
      Original Deed of Indemnity.

B.    References to Clauses and Schedules in this Allonge shall refer to the
      corresponding Clauses or Schedules to the Purchase Agreement or the
      Original Deed of Indemnity as applicable.

C.    References to "the Agreement" or "this Deed" whether contained in the
      Purchase Agreement, the Original Deed of Indemnity or in this Allonge
      shall be construed to mean (as applicable) the Purchase Agreement as
      amended or the Original Deed of Indemnity as amended pursuant to the terms
      of this Allonge.

II.   REVISED TERMS

A.    The following party is added to the Purchase Agreement:

      "(4)  LENTON FIBRE OPTICS DEVELOPMENT LIMITED, a company incorporated in
            Hong Kong under the Companies Ordinance with registered number
            673085 whose registered office is at 3rd Floor, A.I.E. Building, No.
            33 Connaught Road Central, Hong Kong ("Lenton")."

B.    The following Recitals (H), (I), (J), (K), (L) (M) and (N) are added after
      Recital (G) of the Purchase Agreement:

      "(H)  Immtech Hong Kong Limited is a company incorporated in Hong Kong
            under the Companies Ordinance with registered number 826594 whose
            registered office is at 3/F, A.I.E. Building, No.33 Connaught Road
            Central, Hong Kong ("Immtech Hong Kong"), and as at the date hereof
            has an authorized share capital of HK$10,000.00 divided into one
            class of 10,000 ordinary shares of HK$1.00 each, of which 10,000
            shares have been issued and are fully paid up.

      (I)   Lenton beneficially owns, free and clear of any lien, charge or
            encumbrance, 10,000 shares of Immtech Hong Kong, of which 9,999
            shares are registered in the name of Lenton and 1 share is
            registered in the name of Seconom Limited as the nominee of Lenton
            (the "Immtech Hong Kong Shares").

      (J)   Immtech Therapeutics Limited [CHINESE SYMBOLS] is a company
            incorporated in Hong Kong under the Companies Ordinance with
            registered number 852044 whose registered office is at 3rd Floor,
            AIE Building, 33 Connaught Road Central, Hong Kong ("Immtech
            Therapeutics"), and as at the date hereof has an authorized share
            capital of HK$10,000.00 divided into one class of 10,000 ordinary
            shares of HK$1.00 each, all of which shares have been issued and are
            fully paid up.

      (K)   Immtech Hong Kong beneficially owns, free and clear of any lien,
            charge or encumbrance, 5,100 shares of Immtech Therapeutics, of
            which all are registered in the name of Immtech Hong Kong.

      (L)   Centralfield International Limited, a company incorporated in the
            British Virgin Islands whose registered office is at P.O. Box 3175,
            Road Town, Tortola, British Virgin Islands, beneficially owns, free
            and clear of any lien, charge or encumbrance, 3,500 shares of
            Immtech Therapeutics, of which all are registered in the name of
            Centralfield International Limited.

      (M)   Bingo Star Limited, a company incorporated in the British Virgin
            Islands whose registered office is at 3rd Floor, A.I.E. Building, 33
            Connaught Road Central, Hong Kong, beneficially owns, free and clear
            of any lien, charge or encumbrance, 1,400 shares of Immtech
            Therapeutics, of which all are registered in the name of Bingo Star
            Limited.

      (N)   The Purchaser wishes to purchase from Lenton, and Lenton wishes to
            sell to the Purchaser, the Immtech Hong Kong Shares upon the terms
            and conditions as set forth herein."

      (O)   The Seller has agreed to guarantee the obligations of the Company
            and Lenton hereunder.

      (P)   The Purchaser's execution and delivery, and therefor its obligations
            under, the Share Purchase Agreement are contingent upon Seller's
            execution and delivery of this Allonge to the Purchaser.

C.    The following definitions are added to Clause 1.01 of the Purchase
      Agreement:

            ""Appraisal" means a real estate appraisal of the Properties by a
            recognized appraiser in the geographic region of the Properties
            certifying that the value of the Properties is not less than the sum
            of the net book value of the Consideration Shares on the books of
            the Purchaser plus US$400,000.00;

            "Immtech Hong Kong Purchase Consideration" means the consideration
            payable for the Immtech Hong Kong Shares as specified in Clause 3;"

            "Immtech Hong Kong Shares" means 10,000 ordinary shares of HK$1.00
            each in the share capital of Immtech Hong Kong;"

D.    The following definition in Clause 1.01 of the Purchase Agreement is
      hereby deleted in its entirety and is replaced with the following:

            ""Completion" means completion of the purchase of the Transaction
            Shares and the Immtech Hong Kong Shares as specified in Clause 5;

E.    Clause 1.04 of the Purchase Agreement is hereby deleted in its entirety
      and replaced with the following Clause 1.04:

            "1.04 The expressions "the Purchaser", the "Company", "the Seller"
            and "Lenton" shall, where the context permits, include their
            respective successors and permitted assigns."

F.    Clause 2.01 of the Purchase Agreement is hereby deleted in its entirety
      and replaced with the following Clause 2.01:

            "2.01 Subject to the terms and conditions of this Agreement, the
            Purchaser hereby agrees to purchase the Transaction Shares from the
            Seller at the Purchase Consideration payable in accordance with this
            Agreement and the Seller hereby agrees to sell the Transaction
            Shares to the Purchaser on the Completion Date at the Purchase
            Consideration payable in accordance with this Agreement. Subject to
            the terms and conditions of this Agreement, the Purchaser hereby
            agrees to purchase the Immtech Hong Kong Shares from Lenton at the
            Immtech Hong Kong Purchase Consideration payable in accordance with
            this Agreement and Lenton hereby agrees to sell the Immtech Hong
            Kong Shares to the Purchaser on the Completion Date at the Immtech
            Hong Kong Purchase Consideration payable in accordance with this
            Agreement." No action to be taken at the Completion shall be deemed
            to have occurred until all have occurred, and when all have occurred
            they shall be deemed to have occurred simultaneously.

G.    The following is added to the end of Clause 2.02 of the Purchase
      Agreement:

            "The Immtech Hong Kong Shares shall be sold free from all liens,
            charges, third party rights and encumbrances of whatever nature and
            with all rights now or hereinafter attaching thereto, and shall be
            transferred to the Purchaser and/ or its nominee and be recorded in
            the statutory registers of Immtech Hong Kong and will accordingly
            rank pari passu for all dividends and other distributions hereafter
            declared, made or paid on the issued ordinary share capital of
            Immtech Hong Kong on and with effect from Completion."

H.    The following is added to the end of Clause 2.03 of the Purchase
      Agreement:

            "Lenton represents and warrants to the Purchaser that all necessary
            resolutions have been passed and other steps and actions have been
            taken to approve the transfer of the Immtech Hong Kong Shares and
            the record of the Purchaser and/or its nominee as shareholder(s) of
            the Immtech Hong Kong Shares on the statutory registers of Immtech
            Hong Kong."

I.    The following is added to the end of Clause 2.04 of the Purchase
      Agreement:

            "Lenton hereby confirms that no person or entity, as of the date of
            this Agreement, has or will have, from the date of this Agreement to
            the Completion Date, any right to purchase or subscribe for any
            shares of Immtech Hong Kong, including the Immtech Hong Kong Shares,
            or any right to request or be allotted or issued shares of Immtech
            Hong Kong from either Lenton or Immtech Hong Kong, or any other
            shares of Immtech Hong Kong (including but not limited to shares of
            Immtech Hong Kong in a class different from that of the Immtech Hong
            Kong Shares)."

J.    Clause 3 of the Purchase Agreement is deleted in its entirety and replaced
      with the following:

            "The Consideration for the Transaction Shares shall be US$398,712.00
            in cash plus the Consideration Shares. The consideration for the
            Immtech Hong Kong Shares shall be HK$10,000.00 payable in cash."

K.    Clause 4.01 of the Purchase Agreement is hereby deleted in its entirety
      and is replaced by the following Clause 4.01:

            "4.01 Completion shall be conditional upon:

            (a)   the Purchaser obtaining the consent to its execution of this
                  Agreement from its Board of Directors in a form and in terms
                  satisfactory to it;

            (b)   Life Science having acquired full title to the Properties free
                  and clear of all claims, charges, mortgages, liens,
                  encumbrances, leases, tenancies, options, covenants,
                  restrictions, conditions or other agreements affecting the
                  Properties and has obtained exclusive and unfettered
                  possession of the Properties;

            (c)   the Purchaser being satisfied with the results of its due
                  diligence investigations into the Company and Immtech Hong
                  Kong;

            (d)   all representations, warranties and undertakings of the
                  Seller, the Company and Lenton being true, correct and
                  complete as of the Completion Date; and

            (e)   the Seller delivering to the Purchaser an Appraisal acceptable
                  to the Purchaser's public auditors."

L.    The following is added to the end of Clause 5.02 of the Purchase
      Agreement:

            "Lenton represents and warrants to the Purchaser that (i)Lenton have
            the power and authority to enter into this Agreement and Lenton and
            Immtech Hong Kong have the power and authority to consummate the
            transactions contemplated hereby; (ii) this Agreement has been duly
            executed and delivered by Lenton, and constitutes a legal, valid and
            binding obligation of it, enforceable in accordance with its terms;
            (iii) Lenton has good and marketable title to the Immtech Hong Kong
            Shares, free of liens, charges and encumbrances; and (iv) the Board
            of Directors of Immtech Hong Kong has resolved and approved, at a
            duly called and held meeting of Immtech Hong Kong's Board of
            Directors, all actions and documents necessary and convenient to the
            completion of the relevant transactions described herein and to
            enter the name(s) of the Purchaser and/or its nominee(s) in the
            register of members of Immtech Hong Kong as holders of the Immtech
            Hong Kong Shares."

M.    Clause 5.03 of the Purchase Agreement is hereby deleted in its entirety
      and is replaced by the following Clause 5.03:

      "5.03 At Completion, the Seller shall deliver or cause to be delivered to
            the Purchaser all the items contemplated under Clause 5.03(a) to
            Clause 5.03(g), and Lenton shall deliver or cause to be delivered to
            the Purchaser all the items contemplated under Clause 5.03(h) to
            Clause 5.03(m):

            (a)   a duly executed instrument of transfer and contract notes in
                  respect of the Transaction Shares in favour of the Purchaser
                  or its nominee(s);

            (b)   original share certificate in respect of 100 Shares in the
                  name of the Seller;

            (c)   such other documents as may be required to give the Purchaser
                  or its nominee(s) good title to the Transaction Shares free
                  from all liens, charges, equities, encumbrances and third
                  party rights of any nature and to enable the Purchaser or its
                  nominee(s) to become the registered holders thereof;

            (d)   a copy, certified as true and complete by a director of the
                  Company, of each of the minutes of the shareholders' meeting
                  and the board meeting of the Company referred to in Clause
                  5.02 above;

            (e)   the Land Grant Contract and Title Certificate and other title
                  documents and approvals to the Properties, showing title to
                  the Properties to be in Life Science, for safekeeping on
                  behalf of the Company and Life Science;

            (f)   the Deed of Indemnity duly executed by the Seller;

            (g)   a cheque drawn in favour of the Government of Hong Kong for
                  the full payment of the Seller's share of stamp duty in
                  respect of the Consideration Shares;

            (h)   duly executed instruments of transfer and contract notes in
                  respect of the Immtech Hong Kong Shares in favour of the
                  Purchaser and / or its nominee(s);

            (i)   original share certificate in respect of 9,999 Immtech Hong
                  Kong Shares in the name of Lenton, and original share
                  certificate in respect of 1 Immtech Hong Kong Share in the
                  name of Seconom Limited;

            (j)   such other documents as may be required to give the Purchaser
                  and / or its nominee(s) good title to the Immtech Hong Kong
                  Shares free from all liens, charges, equities, encumbrances
                  and third party rights of any nature and to enable the
                  Purchaser and / or its nominee(s) to become the registered
                  holders thereof;

            (k)   a copy, certified as true and complete by a director of
                  Immtech Hong Kong, of the minutes of the board meeting of
                  Immtech Hong Kong referred to in Clause 5.02 above;

            (l)   the Deed of Indemnity duly executed by the Seller, Lenton and
                  Immtech Hong Kong; and

            (m)   a cheque drawn in favour of the Government of Hong Kong for
                  the full payment of Lenton's share of stamp duty in respect of
                  the Immtech Hong Kong Shares.

N.    Clause 5.04 of the Purchase Agreement is hereby deleted in its entirety
      and is replaced by the following Clause 5.04:

            "5.04 At Completion, the Purchaser shall deliver to the Seller all
            the items contemplated under Clause 5.04(a) to Clause 5.04(d), and
            the Purchaser shall deliver to Lenton the item contemplated under
            Clause 5.04(e):-

            (a)   a bankers' draft in the amount of US$200,000.00 drawn on a
                  prime bank in Hong Kong in favour of the Seller or as it may
                  direct in writing (whose receipt shall be an absolute
                  discharge thereof) in satisfaction of US$200,000.00 of the
                  US$398,712.00 cash part of the Purchase Consideration as
                  stipulated in Clause 3;

            (b)   a duly executed instrument of transfer and contract notes in
                  respect of the Consideration Shares in favour of the Seller or
                  its nominee(s);

            (c)   original share certificates in respect of the Consideration
                  Shares in the name of the Purchaser or its nominee;

            (d)   a signature page to the Deed of Indemnity duly executed by the
                  Purchaser; and

            (e)   a bankers' draft in the amount of HK$10,000.00 (US$1,289.00)
                  drawn on a prime bank in Hong Kong in favour of Lenton or as
                  it may direct in writing (whose receipt shall be an absolute
                  discharge thereof) in satisfaction of the Immtech Hong Kong
                  Purchase Consideration as stipulated in Clause 3."

O.    The introduction of Clause 5.06 of the Purchase Agreement is hereby
      deleted in its entirety and replaced with the following:

            "Without prejudice to any other remedies available to the Purchaser,
            if in any respect the provisions of Clause 5.02 and Clause 5.03 are
            not complied with (other than as a result of the willful default of
            the Purchaser) by the Company, Lenton or the Seller (as the case may
            be) on the Completion Date, the Purchaser may:"

P.    The heading of Clause 6 of the Purchase Agreement is hereby deleted in its
      entirety and is replaced by the following:

      "6. FURTHER OBLIGATIONS OF THE SELLER, THE PURCHASER AND LENTON"

Q.    Clause 6.04(d) of the Purchase Agreement is hereby deleted in its entirety
      and is replaced by the following Clause 6.04(d):

      "(d)  procure that the name of the building of which the Properties form
            part of be changed to "Immtech Life Science Building" within nine
            (9) months of the execution of this Agreement by all the parties
            hereto, and agree to any future change of name of such building
            which may be proposed by the Purchaser as the Purchaser may be
            entitled or empowered to effect such change directly or indirectly
            through any subsidiary or entity or otherwise; and"

R.    Clause 6.06 of the Purchase Agreement is hereby deleted in its entirety
      and is replaced by the following Clause 6.06:

            "6.06 The Purchaser shall, within two (2) month of the execution of
            this Agreement by all the parties hereto, deliver to the Seller a
            bankers' draft in the amount of US$198,712.00 drawn on a prime bank
            in Hong Kong in favour of the Seller or as it may direct in writing
            (whose receipt shall be an absolute discharge thereof) in
            satisfaction of the remaining cash part of the Purchase
            Consideration as stipulated in Clause 3."

S.    The following  Clause 6.07 to Clause 6.10 are added after Clause 6.06 of
      the Purchase Agreement:

            "6.07 Lenton shall procure that the business of Immtech Hong Kong be
            operated in a manner consistent with past practices during the
            period from the date hereof until Completion.

            6.08 Between the date hereof and Completion, Lenton shall not, and
            shall procure that Immtech Hong Kong shall not, without the prior
            consent in writing of the Purchaser, enter into any contracts or
            hire any employee or incur any single expenditure in excess of
            US$2,000.00 or an aggregate expenditure in excess of US$2,000.00.

            6.09 Lenton undertakes to indemnify and keep indemnified the
            Purchaser (for itself and as trustee for Immtech Hong Kong) against
            any claim which may be brought by any of the directors of Immtech
            Hong Kong who resign or are intended to resign.

            6.10 Lenton shall forthwith upon Completion procure Mr. Chan Kon
            Fung to resign from the board of directors of Immtech Hong Kong."

T.    Clause 7.01 of the Purchase Agreement is hereby deleted in its entirety
      and replaced with the following Clause 7.01:

            "7.01 The Company, Lenton and the Seller hereby represent, warrant
            and undertake to the Purchaser (to the intent that the provisions of
            this Clause 7 shall continue to have full force and effect
            notwithstanding Completion) in the terms set out in Clause 2, Clause
            5, this Clause 7 and in Schedule 3 and acknowledge that the
            Purchaser, in entering into this Agreement, is relying on such
            representations, warranties and undertakings and that the Purchaser
            shall be entitled to treat the same as conditions to the obligations
            of the Purchaser under this Agreement."

U.    Clause 7.04 of the Purchase Agreement is hereby deleted in its entirety
      and replaced with the following Clause 7.04:

            " 7.04 The Seller hereby undertakes to indemnify and keep
            indemnified the Purchaser (for itself and as trustee for the Company
            or for itself and as trustee of Immtech Hong Kong, as applicable)
            against any loss or liability suffered by the Purchaser as a result
            of or in connection with any breach of the said representations,
            warranties and undertakings including, but not limited to, any
            diminution in the value of the assets of and any payment made or
            required to be made by the Purchaser, the Company or Immtech Hong
            Kong and any costs and expenses incurred as a result of such breach
            provided that the indemnity contained in this Clause shall be
            without prejudice to any other rights and remedies of the Purchaser
            in relation to any such breach of representation, warranty or
            undertaking and all such other rights and remedies are hereby
            expressly reserved to the Purchaser."

V.    The following is added to the end of Clause 7.05 of the Purchase
      Agreement:

            "Lenton represents and warrants that (i) the business of Immtech
            Hong Kong shall be operated in a manner consistent with past
            practices during the period from the date hereof until Completion;
            and (ii) between the date hereof and Completion, Immtech Hong Kong
            shall not, without the prior consent in writing of the Purchaser,
            enter into any contracts or hire any employee or incur any single
            expenditure in excess of US$2,000.00 or an aggregate expenditure
            in excess of US$2,000.00."

W.    Clause 8 of the Purchase Agreement is hereby deleted in its entirety and
      replaced with the following Clause 8:

            "8.   GUARANTEE

            8.01 In consideration of the Purchaser entering into this Agreement,
            the Seller as primary obligor hereby unconditionally and irrevocably
            guarantees by way of continuing guarantee to the Purchaser the due
            and punctual performance and observance by the Company and Lenton of
            all obligations, commitments, undertakings, agreements,
            representations, warranties, indemnities and covenants under or
            pursuant to this Agreement and agrees to indemnify and keep
            indemnified the Purchaser in full from and against all liabilities,
            losses, damages, claims, costs and expenses (including all legal
            costs and expenses on a full indemnity basis) which the Purchaser
            may suffer through or arising from any breach or non-fulfillment by
            the Company or Lenton of such obligations, commitments,
            undertakings, agreements, representations, warranties, indemnities
            or covenants or as a result of the failure by the Company or Lenton
            to make any payment under the Agreement when due or as a result of
            any of such obligations, commitments, undertakings, agreements,
            representations, warranties, indemnities or covenants of the Company
            or Lenton being or becoming void, voidable or unenforceable for any
            reason whatsoever (whether or not known to the Purchaser), the
            amount of such costs, expenses, losses or damages being the amount
            which the Purchaser would have otherwise been entitled to recover
            from the Company or Lenton together with all expenses which the
            Purchaser may incur in proceeding against the Company or Lenton.

            8.02 The Seller, as primary obligor, unconditionally and irrevocably
            agrees that if and whenever the Company or Lenton defaults for any
            reason whatsoever in the performance of any obligation or liability
            undertaken or expressed to be undertaken by it under or pursuant to
            this Agreement, the Seller shall forthwith upon demand
            unconditionally perform (or procure performance of) and satisfy (or
            procure the satisfaction of) the obligation or liability in regard
            to which such default has been made in the manner prescribed by this
            Agreement and so that the same benefits shall be conferred on the
            Purchaser as it would have received if such obligation or liability
            had been duly performed and satisfied.

            8.03 The guarantee and indemnity set out in this Clause shall be a
            continuing security to the Purchaser for all obligations,
            commitments, undertakings, representations, warranties, indemnities
            and covenants on the part of the Company and Lenton under or
            pursuant to this Agreement notwithstanding any settlement of account
            or other matter or thing whatsoever and is in addition and without
            prejudice to and not in substitution for any rights or security
            which the Purchaser may now or hereafter have or hold for the
            performance and observance of the obligations, commitments,
            undertakings, agreements, representations, warranties, indemnities
            and covenants of the Company or Lenton under or in connection with
            this Agreement.

            8.04 As a separate and independent stipulation, the Seller agrees
            that any obligation expressed to be undertaken by the Company or
            Lenton under this Agreement (including, without limitation, any
            monies expressed to be payable under this Agreement) which may not
            be enforceable against or recoverable from the Company or Lenton by
            reason of any legal limitation, disability or incapacity or any
            other fact or circumstance shall nevertheless be enforceable against
            or recoverable from the Seller as though the same has been incurred
            by the Seller and that the Seller was the principal obligor in
            respect thereof and shall be performed or paid by the Seller in
            accordance with the terms of this Agreement.

            8.05 The obligations of the Seller under this Clause shall not be
            affected by any matter or thing which but for this provision might
            operate to affect or prejudice those obligations, including without
            limitation:

            (a)   any time or indulgence granted to, or composition with, the
                  Company or Lenton or any other person;

            (b)   the taking, variation, renewal or release of, or neglect to
                  perfect or enforce this Agreement or any right, guarantee,
                  remedy or security from or against the Company or Lenton or
                  any other person;

            (c)   any unenforceability or invalidity of any obligation of the
                  Company or Lenton, so that this Clause shall be construed as
                  if there were no such unenforceability or invalidity;

            (d)   the liquidation, winding-up, receivership or bankruptcy of the
                  Company or Lenton or the bankruptcy or individual voluntary
                  arrangement or any similar arrangement of the Seller; and

            (e)   any other act, matter, event or omission which, but for this
                  provision, would or might operate to discharge, impair or
                  otherwise affect the Seller's liabilities hereunder.

                        The Seller waives any right available to it under any
            applicable law which is inconsistent with any provision of this
            Clause 8 or which might otherwise require the Purchaser to proceed
            against the Company or Lenton or any other person before making a
            demand on the Seller.

            8.06 So long as any of the obligations, commitments, undertakings,
            agreements, representations, warranties, indemnities and covenants
            of the Company or Lenton under or pursuant to this Agreement remains
            outstanding, the Seller shall not exercise any right of subrogation
            or any other right of a surety or enforce any security or other
            right or claim against the Company or Lenton or any other person
            whether in respect of its liability under this Clause 8 or otherwise
            or claim in the insolvency, liquidation or bankruptcy of the Company
            or Lenton in competition with the Purchaser.

            8.07 All payments under this Clause 8 shall be made in full without
            set-off or counterclaim or any restriction or condition and free and
            clear of any present or future taxes, duties, charges or other
            deductions or withholdings of any nature. If any deduction or
            withholding is required to be made from any such payment the Seller
            shall, together with such payment, pay to the Purchaser such
            additional amount as is necessary to ensure that the Purchaser
            receives the full amount due hereunder.

            8.08 Notwithstanding anything to the contrary herein, the aggregate
            maximum liability of the Seller in respect of any claims that may be
            made against him hereunder and under other provisions of this
            Agreement shall be limited to ten million United States dollars
            (US$10,000,000.00)."

X.    Clause 9.01 of the Purchase Agreement is hereby deleted in its entirety
      and replaced with the following Clause 9.01:

            "9.01 From the date of this Agreement until Completion, the
            Purchaser, its professional advisers and appointed representatives
            shall have the right upon prior appointment to visit the facilities
            of the Company and Immtech Hong Kong as they reasonably require so
            as to:

            (a)   verify the accuracy of the representations, warranties and
                  undertakings of the Seller or the Company or Lenton contained
                  herein;

            (b)   check the existence and condition of the assets thereat; and

            (c)   carry out a review of and investigation into the history,
                  assets, liabilities, financial condition, contracts,
                  commitments and the business of the Company or Immtech Hong
                  Kong."

Y.    Clause 9.02 of the Purchase Agreement is hereby deleted in its entirety
      and replaced with the following Clause 9.02:

            "9.02 Lenton, or the Company and the Seller (as applicable) hereby
            undertake with the Purchaser to ensure that any information and
            documents required by the Purchaser or its professional advisers or
            appointed representatives for the purposes of such review and
            investigation referred to in Clause 9.01 shall be promptly made
            available, and copies of such information and documents shall be
            permitted to be made by the Purchaser or its professional advisers
            or appointed representatives. The information and documents referred
            to under this Clause 9 include, but shall not be limited to:

            (a)   the books of account of the Company and Immtech Hong Kong
                  including all accounts ledgers;

            (b)   the statutory books of the Company and Immtech Hong Kong or
                  copies thereof;

            (c)   lists of the assets, liabilities and receivables of the
                  Company and Immtech Hong Kong;

            (d)   details of all bank accounts of the Company and Immtech Hong
                  Kong (including the name and address of the bank with whom the
                  account is kept and the number and nature of the account) and
                  a statement of the credit and debit balance thereon as at the
                  close of business on the date of this Agreement;

            (e)   copies of all licenses, agreements, agencies or all other
                  documents which affect the Company or Immtech Hong Kong ;

            (f)   copies of all banking facility documentation entered into by
                  the Company or Immtech Hong Kong, if any;

            (g)   copies of all guarantees and any security documents entered
                  into by the Company or Immtech Hong Kong, if any; and

            (h)   all financial statements and accountants work papers of the
                  Company and Immtech Hong Kong."

Z.    Clause 9.03 of the Purchase Agreement is hereby deleted in its entirety
      and replaced with the following Clause 9.03:

            "9.03 The Purchaser hereby undertakes with the Company, the Seller
            and Lenton that it will not, prior to Completion and save as
            required by law, make use of or disclose or divulge any information
            relating to the Seller, the Company, Lenton or Immtech Hong Kong
            obtained by it or its representatives pursuant to this Clause 9 to
            persons other than its own officers, employees or professional
            advisers. Notwithstanding the foregoing, the Purchaser undertakes to
            keep strictly confidential the business affairs and prospects of the
            Seller, the Company, Lenton and Immtech Hong Kong unless any
            announcement or disclosure is required to be made by law or any
            regulatory authority to which the Purchaser is subject and in such
            event, the Purchaser shall consult with the Seller and the Company,
            or Lenton and Immtech Hong Kong (as appropriate) before making any
            such announcement or disclosure."

AA.   Clause 13 of the Purchase Agreement is hereby deleted in its entirety and
      replaced with the following Clause 13:

            "13.  WAIVER

            Any failure by a party hereto to comply with any obligation,
            agreement or condition herein may be expressly waived in writing by
            all the other parties hereto, but no failure or delay by the
            Purchaser in exercising any right, power or remedy under this
            Agreement shall operate as a waiver thereof, nor shall any single or
            partial exercise of the same preclude any further exercise thereof
            or the exercise of any other right, power or remedy. Without
            limiting the foregoing, no waiver by the Purchaser of any breach by
            the Company, the Seller or Lenton of any provision hereof shall be
            deemed to be a waiver of any subsequent breach of that or any other
            provision hereof. If at any time any provision of this Agreement is
            or becomes illegal, invalid or unenforceable in any respect, the
            legality, validity and enforceability of the remaining provisions of
            this Agreement shall not be affected or impaired thereby."

BB.   The following notice information of Lenton is added to Clause 16.02 of the
      Purchase Agreement:

            "           To Lenton:-

                        Name:                   LENTON FIBRE OPTICS
                                                DEVELOPMENT LIMITED
                        Address:                Flat B, 16th Floor,
                                                132 Broadway,
                                                Mei Foo Sun Chuen, Kowloon,
                                                Hong Kong.
                        Fax Number:             (852) 2514-5381
                        Attention:              Mr. Chan Kon Fung"

CC.   Paragraph 5 of Schedule 3 to the Purchase Agreement is hereby deleted in
      its entirety and replaced with the following Paragraph 5:

      "5.  Each of the Seller, the Company and Lenton has full power and
           authority and all necessary consents, approvals and authorisations to
           empower it to enter into this Agreement and to incur and perform
           fully the obligations provided for herein and (in the case of the
           Seller only) to sell the Transaction Shares and (in the case of
           Lenton only) to sell the Immtech Hong Kong Shares, and to incur and
           perform fully the obligations provided in the Deed of Indemnity."

DD.   The following paragraph is added as new Paragraph 8 of Schedule 3 to the
      Purchase Agreement and all subsequent paragraphs of Schedule 3 shall be
      renumbered accordingly:

      "8.   The Immtech Hong Kong Shares will, upon Completion, constitute 100%
            of the issued share capital of Immtech Hong Kong and the Immtech
            Hong Kong Shares will be sold free from all liens, charges, third
            party rights and encumbrances of whatever nature and will be
            credited as fully paid in the manner referred to in Clause 2.02 and
            will rank pari passu in all respects as one class of shares with the
            remainder of the ordinary shares in the capital of Immtech Hong Kong
            and will rank pari passu for all dividends and other distributions
            hereafter declared, made or paid on the issued ordinary share
            capital of Immtech Hong Kong on and with effect from Completion."

EE.   The reference to the "Immtech Building" in new Clause 22 of Schedule 3 to
      the Purchase Agreement is hereby deleted in its entirety and replaced with
      "Immtech Life Science Building".

FF.   The new Paragraph 48 of Schedule 3 to the Purchase Agreement is hereby
      deleted in its entirety and replaced with the following Paragraph 48:

      "48.  All written information given or provided to the Purchaser and
            its professional advisers by the Company, its professional advisers
            and the officers of the Company during the negotiations prior to
            this Agreement was when given, and is at the date hereof, true and
            accurate and all statements of opinion, intention or expectation in
            relation to the Company contained in such information were as at the
            time of such disclosure and will, immediately prior to Completion,
            having regard to circumstances then subsisting, remain truly and
            honestly held and had been made after due and careful consideration.
            There is no fact, omission, matter or circumstance which has not
            been disclosed in writing to the Purchaser or its professional
            advisers which renders any such information untrue, inaccurate or
            misleading or which might reasonably affect the willingness of the
            Purchaser to proceed with the purchase of the Transaction Shares and
            the Immtech Hong Kong Shares on the terms of this Agreement."

GG.   The new Paragraph 49 of Schedule 3 to the Purchase Agreement is hereby
      deleted in its entirety and replaced with the following Paragraph 49:

      "49.  There is no fact or matter concerning the Company and its business
            and affairs which has not on the basis of the utmost good faith been
            disclosed prior to the date of this Agreement in writing to the
            Purchaser by the Company which might reasonably affect the
            willingness of the Purchaser to proceed with the purchase of the
            Transaction Shares and the Immtech Hong Kong Shares on the terms of
            this Agreement."

HH.   The following party is added to each of the Original Deed of Indemnity and
      the Deed of Indemnity:

      "(4)  IMMTECH HONG KONG LIMITED, a company incorporated in Hong Kong under
            the Companies Ordinance with registered number 826594 whose
            registered office is at 3/F, A.I.E. Building, No.33 Connaught Road
            Central, Hong Kong ("Immtech Hong Kong")."

II.   Recital (A) of each of the Original Deed of Indemnity and the Deed of
      Indemnity is hereby deleted in its entirety and replaced with the
      following Recital (A):

      "(A)  By a Share Purchase Agreement dated 28 November, 2003 (the
            "Agreement") made among (1) the Seller, (2) Lenton, (3) the
            Purchaser and (4) the Company, the Purchaser has agreed, inter alia,
            to purchase and the Seller has agreed, inter alia, to sell the
            Transaction Shares (as defined in the Agreement), and the Purchaser
            has agreed, inter alia, to purchase and Lenton has agreed, inter
            alia, to sell the Immtech Hong Kong Shares (as defined in the
            Agreement), on the terms and conditions therein contained, and the
            Seller has agreed to guarantee the obligations of the Company and
            Lenton thereunder."

JJ.   Clause 1.01(b) of each of the Original Deed of Indemnity and the Deed of
      Indemnity is hereby deleted in its entirety and replaced with the
      following Clause 1.01(b):

      "(b)  "Claim" means any assessment, notice, demand or other document
            issued or action taken by or on behalf of any person, authority or
            body whatsoever and of whatever country from which it appears that
            the Company or Immtech Hong Kong is liable or is sought to be made
            liable to make any payment or is deprived or is sought to be
            deprived of any relief or allowance or credit or right to repayment
            of Taxation;"

KK.   Clause 1.01(c) of each of the Original Deed of Indemnity and the Deed of
      Indemnity is hereby deleted in its entirety and replaced with the
      following Clause 1.01(c):

      "(c)  "event" includes (without limitation) the death of any person, any
            action, omission or transaction whether or not the Company or
            Immtech Hong Kong is a party thereto and includes completion of the
            purchase of the Transaction Shares and the purchase of the Immtech
            Hong Kong Shares by the Purchaser and references to the result of
            events on or before the date hereof shall include the combined
            result of two or more events one or more of which shall have taken
            place before the date hereof;"

LL.   Clause 1.01(e)(i) of each of the Original Deed of Indemnity and the Deed
      of Indemnity is hereby deleted in its entirety and replaced with the
      following Clause 1.01(e)(i):

      "(i)  the loss of any relief, allowance or credit granted by or pursuant
            to any legislation or otherwise for Taxation purposes which could
            but for the Claim in question have been available to the Purchaser
            or the Company or Immtech Hong Kong whether or not the said loss
            results in any Taxation being payable at the time of such loss; and"

MM.   Clause 1.01(e)(ii) of each of the Original Deed of Indemnity and the Deed
      of Indemnity is hereby deleted in its entirety and replaced with the
      following Clause 1.01(e)(ii):

      "(ii) the nullifying or cancellation of a right to repayment of Taxation
            which would have been so available or is at the date hereof assumed
            by the Company or the Purchaser or Immtech Hong Kong to be
            available;"

NN.   Clause 1.02 of each of the Original Deed of Indemnity and the Deed of
      Indemnity is hereby deleted in its entirety and replaced with the
      following Clause 1.02:

            "The expressions "the Company", "the Seller", "the Purchaser" and
            "Immtech Hong Kong" shall, where the context permits, include their
            respective successors, personal representatives and assigns."

OO.   Clause 2 of each of the Original Deed of Indemnity and the Deed of
      Indemnity is hereby deleted in its entirety and replaced with the
      following Clause 2:

            "2.   INDEMNITY

            Subject as hereinafter provided, the Seller hereby undertakes to
            indemnify and keep indemnified the Purchaser (for itself and as
            trustee for the Company or Immtech Hong Kong, as applicable), the
            Company and Immtech Hong Kong against any loss or liability suffered
            by the Purchaser, the Company or Immtech Hong Kong including, but
            not limited to, losses resulting from any breach of representations,
            warranties or covenants contained in this Deed or the Agreement and
            any diminution in the value of the assets of or shares in the
            Company or Immtech Hong Kong, any payment made or required to be
            made by the Purchaser, the Company or Immtech Hong Kong and any
            costs and expenses incurred as a result of or in connection with any
            Claim falling on the Company or Immtech Hong Kong resulting from or
            by reference to any income, profits or gains earned, accrued or
            received on or before the date hereof or any event on or before the
            date hereof whether alone or in conjunction with other circumstances
            and whether or not such is chargeable against or attributable to any
            other person, firm or company."

PP.   Clause 3(b) of each of the Original Deed of Indemnity and the Deed of
      Indemnity is hereby deleted in its entirety and replaced with the
      following Clause 3(b):

      "(b)  for which the Company or Immtech Hong Kong is primarily liable as a
            result of transactions in the ordinary course of its business after
            the Accounting Date."

QQ.   Clause 4 of each of the Original Deed of Indemnity and the Deed of
      Indemnity is hereby deleted in its entirety and replaced with the
      following Clause 4:

            "4. COSTS AND EXPENSES

            The indemnities given by this Deed shall cover all costs and
            expenses (on a full indemnity basis) incurred by the Purchaser, the
            Company or Immtech Hong Kong in connection with any Claim, and any
            penalties, fines or interest payable by the Purchaser, the Company
            or Immtech Hong Kong relating to any Claim for which the Seller is
            liable under this Deed."

RR.   Clause 5 of each of the Original Deed of Indemnity and the Deed of
      Indemnity is hereby deleted in its entirety and replaced with the
      following Clause 5:

            "5.   REIMBURSEMENT

            In the event that any Claim the subject of an indemnity hereunder is
            or has been discharged (whether by payment or by the loss of any
            relief, allowance, credit or right to repayment of Taxation) or
            suffered by the Company or Immtech Hong Kong the indemnity given
            hereunder shall take effect as a covenant by the Seller forthwith to
            reimburse the Company or Immtech Hong Kong (as the case may be) for
            any amount so paid or to compensate the Company or Immtech Hong Kong
            (as the case may be) for any loss of relief, allowance, credit or
            right to repayment so suffered."

SS.   Clause 7 of each of the Original Deed of Indemnity and the Deed of
      Indemnity is hereby deleted in its entirety and replaced with the
      following Clause 7:

            "7. WAIVER AND SEVERABILITY

            No failure or delay by the Purchaser, the Company or Immtech Hong
            Kong in exercising any right, power or remedy under this Deed shall
            operate as a waiver thereof, nor shall any single or partial
            exercise of the same preclude any further exercise thereof or the
            exercise of any other right, power of remedy. If at any time any
            provision of this Deed is or becomes illegal, invalid or
            unenforceable in any respect, the legality, validity and
            enforceability of the remaining provisions of this Deed shall not be
            affected or impaired thereby."

TT.   Clause 8 of each of the Original Deed of Indemnity and the Deed of
      Indemnity is hereby deleted in its entirety and replaced with the
      following Clause 8:

            "8.   ASSIGNMENT

            The Purchaser, the Company and Immtech Hong Kong may assign their
            respective rights and benefits under this Deed."

UU.   The following notice information is added to Clause 9 of each of the
      Original Deed of Indemnity and the Deed of Indemnity:

            "To Immtech Hong Kong:  Name:       Immtech Hong Kong Limited
                                    Address:    3/F, A.I.E. Building, No.33
                                                Connaught Road Central
                                                Hong Kong
                                    Fax Number: (852) 3102 0698
                                    Attention:  Ms. Lau Ching Yin Judy"

III.  MISCELLANEOUS

A.    Save as expressly amended pursuant to this Allonge, the Purchase Agreement
      and the Original Deed of Indemnity shall remain in full force and effect.

B.    Any dispute arising out of or in connection with this Allonge shall be
      exclusively settled by confidential arbitration in Hong Kong at the Hong
      Kong International Arbitration Centre according to its rules. The
      arbitration shall be conducted by three arbitrators, one selected by each
      party to the dispute and the third by the two so selected within 21 days
      from the date the relevant dispute arises. The judgment of a majority of
      the arbitrators may be entered and enforced in any court of competent
      jurisdiction. The arbitrators shall have no authority to amend this
      Allonge. This Allonge shall be governed by and construed in all respects
      in accordance with the laws of Hong Kong, without regard to its laws
      regarding conflict of laws. The allocation of the costs relating to the
      arbitration as contemplated in this Clause III(B) shall be determined by
      the decree of a majority of the arbitrators.
<PAGE>

IN WITNESS WHEREOF, this Allonge to the Purchase Agreement and the Original Deed
of Indemnity is made effective as of the day and year first above written.

SIGNED by                                 )
/s/ T. Stephen Thompson                   )
-----------------------------------       )
T. Stephen Thompson                       )
for and on behalf of                      )
IMMTECH INTERNATIONAL, INC.               )
                                          )
in the presence of :-                     )

/s/ Gary C. Parks
-----------------------------------
GARY C. PARKS

SIGNED by                                 )
/s/ Chan Kon Fung                         )
------------------------------------      )
MR. CHAN KON FUNG                         )
                                          )
in the presence of:-                      )

/s/ Carson Wen
------------------------------------
Carson Wen
Solicitor; Hong Kong
Heller Ehrman White & McAuliffe

SIGNED by                                 )  For and on behalf of
LEVI HONG KAYE LEE                        )  SUPER INSIGHT LIMITED
for and on behalf of                      )
SUPER INSIGHT LIMITED                     )          /s/ Levi Hong Kaye Lee
                                          )  ---------------------------------
in the presence of :-                     )            Authorized Signature(s)

/s/ Ho Sin Wai, Celia
------------------------------------
Ho Sin Wai, Celia
Solicitor, Hong Kong SAR
Heller Ehrman White & McAuliffe

SIGNED by                                 )  For and on behalf of
                                          )  [CHINESE CHARACTERS]
for and on behalf of                      )  LENTON FIBRE OPTICS DEVELOPMENT
LENTON FIBRE OPTICS                       )  LIMITED
DEVELOPMENT LIMITED                       )          /s/ Chan Kon Fung
                                          )  ---------------------------------
in the presence of :-                     )            Authorized Signature(s)

SIGNED by                                 )
LEVI HONG KAYE LEE                        )  For and on behalf of
for and on behalf of                      )  IMMTECH HONG KONG LIMITED
IMMTECH HONG KONG LIMITED                 )
in the presence of :-                     )            /s/ Levi Hong Kaye Lee
                                          )  ---------------------------------
                                                       Authorized Signature(s)
/s/ Ho Sin Wai, Celia
------------------------------------
Ho Sin Wai, Celia
Solicitor, Hong Kong SAR
Heller Ehrman White & McAuliffe

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