Document:

HMZ METALS, INC.

                             2000 STOCK OPTION PLAN

         1. PURPOSE OF THE PLAN. The purpose of this 2000 Stock Option Plan (the
"Plan") of HMZ Metals, Inc., a Delaware corporation formerly known as Biogan
International, Inc. (the "Company"), is to provide the Company with a means of
attracting and retaining the services of highly motivated and qualified
directors and key personnel. The Plan is intended to advance the interests of
the Company by affording to directors and key employees, upon whose skill,
judgment, initiative and efforts the Company is largely dependent for the
successful conduct of its business, an opportunity for investment in the Company
and the incentives inherent in stock ownership in the Company. In addition, the
Plan contemplates the opportunity for investment in the Company by consultants
of the Company and by employees of companies that do business with the Company.
For purposes of this Plan, the term "Company" shall include subsidiaries, if
any, of the Company.

         2. LEGAL COMPLIANCE. It is the intent of the Plan that all options
granted under it ("Options") shall be either "Incentive Stock Options" ("ISOs"),
as such term is defined in Section 422 of the Internal Revenue Code of 1986, as
amended ("Code"), or non-qualified stock options ("NQOs"); PROVIDED, HOWEVER,
ISOs shall be granted only to employees of the Company. An Option shall be
identified as an ISO or an NQO in writing in the document or documents
evidencing the grant of the Option. All Options that are not so identified as
ISOs are intended to be NQOs. In addition, the Plan provides for the grant of
NQOs to consultants of the Company and to employees of companies that do
business with the Company. It is the further intent of the Plan that it conform
in all respects with the requirements of Rule 16b-3 of the Securities and
Exchange Commission under the Securities Exchange Act of 1934, as amended ("Rule
16b-3"). To the extent that any aspect of the Plan or its administration shall
at any time be viewed as inconsistent with the requirements of Rule 16b-3 or, in
connection with ISOs, the Code, such aspect shall be deemed to be modified,
deleted or otherwise changed as necessary to ensure continued compliance with
such provisions.

         3. ADMINISTRATION OF THE PLAN.

                  3.1 PLAN COMMITTEE. The Plan shall be administered by a
committee ("Committee"). The members of the Committee shall be appointed from
time to time by the Board of Directors of the Company ("Board") and shall
consist of not less than two nor more than five persons. Such persons shall be
directors of the Company. Notwithstanding the foregoing, the Board may act as
the Committee at any time or from time to time.

                  3.2 GRANTS OF OPTIONS BY THE COMMITTEE. In accordance with the
provisions of the Plan, the Committee, by resolution, shall select those
eligible persons to whom Options shall be granted ("Optionees"); shall determine
the time or times at which each Option shall be granted, whether an Option is an
ISO or an NQO and the number of shares to be subject to each Option; and shall
fix the time and manner in which the Option may be exercised, the Option
exercise price, and the Option period. The Committee shall determine the form of
Option agreement to evidence the foregoing terms and conditions of each Option,
which need not be identical, in the form provided for in SECTION 7. Such Option
agreement may include such other provisions as the Committee may deem necessary
or desirable consistent with the Plan, the Code and Rule 16b-3.

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                  3.3 COMMITTEE PROCEDURES. The Committee from time to time may
adopt such rules and regulations for carrying out the purposes of the Plan as it
may deem proper and in the best interests of the Company. The Committee shall
keep minutes of its meetings and records of its actions. A majority of the
members of the Committee shall constitute a quorum for the transaction of any
business by the Committee. The Committee may act at any time by an affirmative
vote of a majority of those members voting. Such vote may be taken at a meeting
(which may be conducted in person or by any telecommunication medium) or by
written consent of Committee members without a meeting.

                  3.4 FINALITY OF COMMITTEE ACTION. The Committee shall resolve
all questions arising under the Plan and Option agreements entered into pursuant
to the Plan. Each determination, interpretation, or other action made or taken
by the Committee shall be final and conclusive and binding on all persons,
including, without limitation, the Company, its stockholders, the Committee and
each of the members of the Committee, and the directors, officers and employees
of the Company, including Optionees and their respective successors in interest.

                  3.5 NON-LIABILITY OF COMMITTEE MEMBERS. No Committee member
shall be liable for any action or determination made by him or her in good faith
with respect to the Plan or any Option granted under it.

         4. BOARD POWER TO AMEND, SUSPEND, OR TERMINATE THE PLAN. The Board may,
from time to time, make such changes in or additions to the Plan as it may deem
proper and in the best interests of the Company and its stockholders. The Board
may also suspend or terminate the Plan at any time, without notice, and in its
sole discretion. Notwithstanding the foregoing, no such change, addition,
suspension, or termination by the Board shall (i) materially impair any Option
previously granted under the Plan without the express written consent of the
Optionee; or (ii) materially increase the number of shares subject to the Plan,
materially increase the benefits accruing to Optionees under the Plan,
materially modify the requirements as to eligibility to participate in the Plan
or alter the method of determining the Option exercise price described in
SECTION 8, without stockholder approval.

         5. SHARES SUBJECT TO THE PLAN. For purposes of the Plan, the Committee
is authorized to grant Options for up to 2,000,000 shares of the Company's
common stock ("Common Stock"), or the number and kind of shares of stock or
other securities which, in accordance with SECTION 13, shall be substituted for
such shares of Common Stock or to which such shares shall be adjusted. The
Committee is authorized to grant Options under the Plan with respect to such
shares. Any or all unsold shares subject to an Option which for any reason
expires or otherwise terminates (excluding shares returned to the Company in
payment of the exercise price for additional shares) may again be made subject
to grant under the Plan.

         6. OPTIONEES. Options shall be granted only to officers, directors or
key employees of the Company, consultants of the Company or employees of
companies that do business with the Company designated by the Committee from
time to time as Optionees. Any Optionee may hold more than one Option to
purchase Common Stock, whether such Option is an Option held pursuant to the
Plan or otherwise. An Optionee who is an employee of the Company ("Employee
Optionee") and who holds an Option must remain a continuous full or part-time
(working at least 30 hours per week) employee of the Company from the time of
grant of the Option to such employee until the time of its exercise, except as
provided in Section 10.3.

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         7. GRANTS OF OPTIONS. The Committee shall have the sole discretion to
grant Options under the Plan and to determine whether any Option shall be an ISO
or an NQO. The terms and conditions of Options granted under the Plan may differ
from one another as the Committee, in its absolute discretion, shall determine
as long as all Options granted under the Plan satisfy the requirements of the
Plan. Upon determination by the Committee that an Option is to be granted to an
Optionee, a written Option agreement evidencing such Option shall be given to
the Optionee, specifying the number of shares subject to the Option, the Option
exercise price, whether the Option is an ISO or an NQO, and the other individual
terms and conditions of such Option. Such Option agreement may incorporate
generally applicable provisions from the Plan, a copy of which shall be provided
to all Optionees at the time of their initial grants under the Plan. The Option
shall be deemed granted as of the date specified in the grant resolution of the
Committee, and the Option agreement shall be dated as of the date of such
resolution. Notwithstanding the foregoing, unless the Committee consists solely
of non-employee directors, any Option granted to an executive officer, director
or 10% beneficial owner for purposes of Section 16 of the Securities Exchange
Act of 1934, as amended ("Section 16 of the 1934 Act"), shall either be (a)
conditioned upon the Optionee's agreement not to sell the shares of Common Stock
underlying the Option for at least six months after the date of grant or (b)
approved by the entire Board or by the stockholders of the Company.

         8. OPTION EXERCISE PRICE. The price per share to be paid by the
Optionee at the time an ISO is exercised shall not be less than 100% of the Fair
Market Value (as hereinafter defined) of one share of the optioned Common Stock
on the date on which the Option is granted. No ISO may be granted under the Plan
to any person who, at the time of such grant, owns (within the meaning of
Section 424(d) of the Code) stock possessing more than 10% of the total combined
voting power of all classes of stock of the Company or of any parent thereof,
unless the exercise price of such ISO is at least equal to 110% of Fair Market
Value on the date of grant. The price per share to be paid by the Optionee at
the time an NQO is exercised shall not be less than 85% of the Fair Market Value
on the date on which the NQO is granted, as determined by the Committee. For
purposes of the Plan, the "Fair Market Value" of a share of the Company's Common
Stock as of a given date shall be: (i) the closing price of a share of the
Company's Common Stock on the principal exchange on which shares of the
Company's Common Stock are then trading, if any, on the day immediately
preceding such date, or, if shares were not traded on such date, then on the
next preceding trading day during which a sale occurred; or (ii) if the
Company's Common Stock is not traded on an exchange but is quoted on Nasdaq or a
successor quotation system, (1) the last sales price (if the Common Stock is
then listed as a National Market Issue under the Nasdaq National Market System)
or (2) the closing representative bid price (in all other cases) for the Common
Stock on the day immediately preceding such date as reported by Nasdaq or such
successor quotation system; or (iii) if the Company's Common Stock is not
publicly traded on an exchange and not quoted on Nasdaq or a successor quotation
system, the closing bid price for the Common Stock on such date as determined in
good faith by the Committee; or (iv) if the Company's Common Stock is not
publicly traded, the fair market value established by the Committee acting in
good faith. In addition, with respect to any ISO, the Fair Market Value on any
given date shall be determined in a manner consistent with any regulations
issued by the Secretary of the Treasury for the purpose of determining fair
market value of securities subject to an ISO plan under the Code.

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         9. CEILING OF ISO GRANTS. The aggregate Fair Market Value (determined
at the time any ISO is granted) of the Common Stock with respect to which an
Optionee's ISOs, together with incentive stock options granted under any other
plan of the Company and any parent, are exercisable for the first time by such
Optionee during any calendar year shall not exceed $100,000. If an Optionee
holds such incentive stock options that become first exercisable (including as a
result of acceleration of exercisability under the Plan) in any one year for
shares having a Fair Market Value at the date of grant in excess of $100,000,
then the most recently granted of such ISOs, to the extent that they are
exercisable for shares having an aggregate Fair Market Value in excess of such
limit, shall be deemed to be NQOs.

         10. DURATION, EXERCISABILITY, AND TERMINATION OF OPTIONS.

                  10.1 OPTION PERIOD. The Option period shall be determined by
the Committee with respect to each Option granted. In no event, however, may the
Option period exceed ten years from the date on which the Option is granted, or
five years in the case of a grant of an ISO to an Optionee who is a 10%
stockholder at the date on which the Option is granted as described in SECTION
8.

                  10.2 EXERCISABILITY OF OPTIONS. Each Option shall be
exercisable in whole or in consecutive installments, cumulative or otherwise,
during its term as determined in the discretion of the Committee.

                  10.3 TERMINATION OF OPTIONS DUE TO TERMINATION OF EMPLOYMENT,
DISABILITY, OR DEATH OF OPTIONEE; TERMINATION FOR "CAUSE," OR RESIGNATION IN
VIOLATION OF AN EMPLOYMENT AGREEMENT. All Options granted under the Plan to any
Employee Optionee shall terminate and may no longer be exercised if the Employee
Optionee ceases, at any time during the period between the grant of the Option
and its exercise, to be a full or part-time (working at least 30 hours per week)
employee of the Company; PROVIDED, HOWEVER, that the Committee may alter the
termination date of the Option if the Optionee transfers to an affiliate of the
Company. Notwithstanding the foregoing, (i) if the Employee Optionee's
employment with the Company shall have terminated for any reason (other than
involuntary dismissal for "cause" or voluntary resignation in violation of any
agreement to remain in the employ of the Company, including, without limitation,
any such agreement pursuant to SECTION 15), he may, at any time before the
expiration of three months after such termination or before expiration of the
Option, whichever shall first occur, exercise the Option (to the extent that the
Option was exercisable by him on the date of the termination of his employment);
(ii) if the Employee Optionee's employment shall have terminated due to
disability (as defined in Section 22(e)(3) of the Code and subject to such proof
of disability as the Committee may require), such Option may be exercised by the
Employee Optionee (or by his guardian(s), or conservator(s), or other legal
representative(s)) before the expiration of twelve months after such termination

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or before expiration of the Option, whichever shall first occur (to the extent
that the Option was exercisable by him on the date of the termination of his
employment); (iii) in the event of the death of an Optionee, an Option
exercisable by him at the date of his death shall be exercisable by his legal
representative(s), legatee(s), or heir(s), or by his beneficiary or
beneficiaries so designated by him, as the case may be, within twelve months
after his death or before the expiration of the Option, whichever shall first
occur (to the extent that the Option was exercisable by him on the date of his
death); and (iv) if the Employee Optionee's employment is terminated for "cause"
or in violation of any agreement to remain in the employ of the Company,
including, without limitation, any such agreement pursuant to SECTION 14, his
Option shall terminate immediately upon termination of employment, and such
Option shall be deemed to have been forfeited by the Optionee. For purposes of
the Plan, "cause" may include, without limitation, any illegal or improper
conduct (1) which injures or impairs the reputation, goodwill, or business of
the Company; (2) which involves the misappropriation of funds of the Company, or
the misuse of data, information, or documents acquired in connection with
employment by the Company; or (3) which violates any other directive or policy
promulgated by the Company. A termination for "cause" may also include any
resignation in anticipation of discharge for "cause" or resignation accepted by
the Company in lieu of a formal discharge for "cause."

         11. MANNER OF OPTION EXERCISE; RIGHTS AND OBLIGATIONS OF OPTIONEES.

                  11.1 WRITTEN NOTICE OF EXERCISE. An Optionee may elect to
exercise an Option in whole or in part, from time to time, subject to the terms
and conditions contained in the Plan and in the agreement evidencing such
Option, by giving written notice of exercise to the Company at its principal
executive office.

                  11.2 CASH PAYMENT FOR OPTIONED SHARES. If an Option is
exercised for cash, such notice shall be accompanied by a cashier's or personal
check, or money order, made payable to the Company for the full exercise price
of the shares purchased.

                  11.3 STOCK SWAP FEATURE. At the time of the Option exercise,
and subject to the discretion of the Committee to accept payment in cash only,
the Optionee may determine whether the total purchase price of the shares to be
purchased shall be paid solely in cash or by transfer from the Optionee to the
Company of previously acquired shares of Common Stock, or by a combination
thereof. If the Optionee elects to pay the total purchase price in whole or in
part with previously acquired shares of Common Stock, the value of such shares
shall be equal to their Fair Market Value on the date of exercise, determined by
the Committee in the same manner used for determining Fair Market Value at the
time of grant for purposes of Section 8.

                  11.4 INVESTMENT REPRESENTATION FOR NON-REGISTERED SHARES AND
LEGALITY OF ISSUANCE. The receipt of shares of Common Stock upon the exercise of
an Option shall be conditioned upon the Optionee (or any other person who
exercises the Option on his or her behalf as permitted by SECTION 10.3)
providing to the Committee a written representation that, at the time of such
exercise, it is the intent of such person(s) to acquire the shares for
investment only and not with a view toward distribution. The certificate for
unregistered shares issued for investment shall be restricted by the Company as
to transfer unless the Company receives an opinion of counsel satisfactory to
the Company to the effect that such restriction is not necessary under then
pertaining law. The providing of such representation and such restrictions on
transfer shall not, however, be required upon any person's receipt of shares of
Common Stock under the Plan in the event that, at the time of grant of the
Option relating to such receipt or upon such receipt, whichever is the
appropriate measure under applicable federal or state securities laws, the
shares subject to the Option shall be (i) covered by an effective and current
registration statement under the Securities Act of 1933, as amended, and (ii)
either qualified or exempt from qualification under applicable state securities
laws. The Company shall, however, under no circumstances be required to sell or
issue any shares under the Plan if, in the opinion of the Committee, (i) the
issuance of such shares would constitute a violation by the Optionee or the
Company of any applicable law or regulation of any governmental authority, or
(ii) the consent or approval of any governmental body is necessary or desirable
as a condition of, or in connection with, the issuance of such shares.

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                  11.5 STOCKHOLDER RIGHTS OF OPTIONEE. Upon exercise, the
Optionee (or any other person who exercises the Option on his behalf as
permitted by SECTION 10.3) shall be recorded on the books of the Company as the
owner of the shares, and the Company shall deliver to such record owner one or
more duly issued stock certificates evidencing such ownership. No person shall
have any rights as a stockholder with respect to any shares of Common Stock
covered by an Option granted pursuant to the Plan until such person shall have
become the holder of record of such shares. Except as provided in SECTION 13, no
adjustments shall be made for cash dividends or other distributions or other
rights as to which there is a record date preceding the date such person becomes
the holder of record of such shares.

                  11.6 HOLDING PERIODS FOR TAX PURPOSES. The Plan does not
provide that an Optionee must hold shares of Common Stock acquired under the
Plan for any minimum period of time. Optionees are urged to consult with their
own tax advisors with respect to the tax consequences to them of their
individual participation in the Plan.

         12. SUCCESSIVE GRANTS. Successive grants of Options may be made to any
Optionee under the Plan.

         13. ADJUSTMENTS.

                  (a) If the outstanding Common Stock shall be hereafter
increased or decreased, or changed into or exchanged for a different number or
kind of shares or other securities of the Company or of another corporation, by
reason of a recapitalization, reclassification, reorganization, merger,
consolidation, share exchange, or other business combination in which the
Company is the surviving parent corporation, stock split-up, combination of
shares, or dividend or other distribution payable in capital stock or rights to
acquire capital stock, appropriate adjustment shall be made by the Committee in
the number and kind of shares for which Options may be granted under the Plan.
In addition, the Committee shall make appropriate adjustment in the number and
kind of shares as to which outstanding and unexercised Options shall be
exercisable, to the end that the proportionate interest of the holder of the
Option shall, to the extent practicable, be maintained as before the occurrence
of such event. Such adjustment in outstanding Options shall be made without
change in the total price applicable to the unexercised portion of the Option
but with a corresponding adjustment in the exercise price per share.

                  (b) In the event of the dissolution or liquidation of the
Company, any outstanding and unexercised Options shall terminate as of a future
date to be fixed by the Committee.

                  (c) In the event of a Reorganization (as hereinafter defined),
then,

                           (i) If there is no plan or agreement with respect to
the Reorganization ("Reorganization Agreement"), or if the Reorganization
Agreement does not specifically provide for the adjustment, change, conversion,
or exchange of the outstanding and unexercised Options for cash or other
property or securities of another corporation, then any outstanding and
unexercised Options shall terminate as of a future date to be fixed by the
Committee; or

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                           (ii) If there is a Reorganization Agreement, and the
Reorganization Agreement specifically provides for the adjustment, change,
conversion, or exchange of the outstanding and unexercised Options for cash or
other property or securities of another corporation, then the Committee shall
adjust the shares under such outstanding and unexercised Options, and shall
adjust the shares remaining under the Plan which are then available for the
issuance of Options under the Plan if the Reorganization Agreement makes
specific provisions therefor, in a manner not inconsistent with the provisions
of the Reorganization Agreement for the adjustment, change, conversion, or
exchange of such Options and shares.

                  (d) The term "reorganization" as used in this SECTION 13 shall
mean any reorganization, merger, consolidation, share exchange, or other
business combination pursuant to which the Company is not the surviving parent
corporation after the effective date of the Reorganization, or any sale or lease
of all or substantially all of the assets of the Company. Nothing herein shall
require the Company to adopt a Reorganization Agreement, or to make provision
for the adjustment, change, conversion, or exchange of any Options, or the
shares subject thereto, in any Reorganization Agreement which it does adopt.

                  (e) The Committee shall provide to each Optionee then holding
an outstanding and unexercised Option not less than 30 calendar days' advanced
written notice of any date fixed by the Committee pursuant to this SECTION 13
and of the terms of any Reorganization Agreement providing for the adjustment,
change, conversion, or exchange of outstanding and unexercised Options. Except
as the Committee may otherwise provide, each Optionee shall have the right
during such period to exercise his Option only to the extent that the Option was
exercisable on the date such notice was provided to the Optionee.

                           Any adjustment to any outstanding ISO pursuant to
this SECTION 13, if made by reason of a transaction described in Section 424(a)
of the Code, shall be made so as to conform to the requirements of that Section
and the regulations thereunder. If any other transaction described in Section
424(a) of the Code affects the Common Stock subject to any unexercised ISO
theretofore granted under the Plan (hereinafter for purposes of this SECTION 13
referred to as the "old option"), the Board of Directors of the Company or of
any surviving or acquiring corporation may take such action as it deems
appropriate, in conformity with the requirements of that Code Section and the
regulations thereunder, to substitute a new option for the old option, in order
to make the new option, as nearly as may be practicable, equivalent to the old
option, or to assume the old option.

                  (f) No modification, extension, renewal, or other change in
any Option granted under the Plan may be made, after the grant of such Option,
without the Optionee's consent, unless the same is permitted by the provisions
of the Plan and the Option agreement. In the case of an ISO, Optionees are
hereby advised that certain changes may disqualify the ISO from being considered
as such under Section 422 of the Code, or constitute a modification, extension,
or renewal of the ISO under Section 424(h) of the Code.

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                  (g) All adjustments and determinations under this SECTION 13
shall be made by the Committee in good faith in its sole discretion.

         14. CONTINUED EMPLOYMENT. As determined in the sole discretion of the
Committee at the time of grant and if so stated in a writing signed by the
Company, each Option may have as a condition the requirement of an Employee
Optionee to remain in the employ of the Company, or of its affiliates, and to
render to it his or her exclusive service, at such compensation as may be
determined from time to time by it, for a period not to exceed the term of the
Option, except for earlier termination of employment by or with the express
written consent of the Company or on account of disability or death. The failure
of any Employee Optionee to abide by such agreement as to any Option under the
Plan may result in the termination of all of his or her then outstanding Options
granted pursuant to the Plan. Neither the creation of the Plan nor the granting
of Option(s) under it shall be deemed to create a right in an Employee Optionee
to continued employment with the Company, and each such Employee Optionee shall
be and shall remain subject to discharge by the Company as though the Plan had
never come into existence. Except as specifically provided by the Committee in
any particular case, the loss of existing or potential profit in Options granted
under this Plan shall not constitute an element of damages in the event of
termination of the employment of an employee even if the termination is in
violation of an obligation of the Company to the employee by contract or
otherwise.

         15. TAX WITHHOLDING. The exercise of any Option granted under the Plan
is subject to the condition that if at any time the Company shall determine, in
its discretion, that the satisfaction of withholding tax or other withholding
liabilities under any federal, state or local law is necessary or desirable as a
condition of, or in connection with, such exercise or a later lapsing of time or
restrictions on or disposition of the shares of Common Stock received upon such
exercise, then in such event, the exercise of the Option shall not be effective
unless such withholding shall have been effected or obtained in a manner
acceptable to the Company. When an Optionee is required to pay to the Company an
amount required to be withheld under applicable income tax laws in connection
with the exercise of any Option, the Optionee may, subject to the approval of
the Committee, which approval shall not have been disapproved at any time after
the election is made, satisfy the obligation, in whole or in part, by electing
to have the Company withhold shares of Common Stock having a value equal to the
amount required to be withheld. The value of the Common Stock withheld pursuant
to the election shall be determined by the Committee, in accordance with the
criteria set forth in SECTION 8, with reference to the date the amount of tax to
be withheld is determined. The Optionee shall pay to the Company in cash any
amount required to be withheld that would otherwise result in the withholding of
a fractional share. The election by an Optionee who is an officer of the Company
within the meaning of Section 16 of the 1934 Act, to be effective, must meet all
of the requirements of Section 16 of the 1934 Act.

         16. TERM OF PLAN.

                  16.1 EFFECTIVE DATE. Subject to stockholder approval, the Plan
shall become effective as of July 27, 2000.

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                  16.2 TERMINATION DATE. Except as to Options granted and
outstanding under the Plan prior to such time, the Plan shall terminate at
midnight on July 26, 2010, and no Option shall be granted after that time.
Options then outstanding may continue to be exercised in accordance with their
terms. The Plan may be suspended or terminated at any earlier time by the Board
within the limitations set forth in SECTION 4.

         17. NON-EXCLUSIVITY OF THE PLAN. Nothing contained in the Plan is
intended to amend, modify, or rescind any previously approved compensation
plans, programs or options entered into by the Company. This Plan shall be
construed to be in addition to and independent of any and all such other
arrangements. Neither the adoption of the Plan by the Board nor the submission
of the Plan to the stockholders of the Company for approval shall be construed
as creating any limitations on the power or authority of the Board to adopt,
with or without stockholder approval, such additional or other compensation
arrangements as the Board may from time to time deem desirable.

         18. GOVERNING LAW. The Plan and all rights and obligations under it
shall be construed and enforced in accordance with the laws of the State of
California.

         19. INFORMATION TO OPTIONEES. Optionees under the Plan who do not
otherwise have access to financial statements of the Company will receive the
Company's financial statements at least annually.

                                       9HMZ METALS, INC.
                             2000 STOCK OPTION PLAN
                        INCENTIVE STOCK OPTION AGREEMENT

         This Incentive Stock Option Agreement (this "Agreement") is made and
entered into by and between HMZ Metals, Inc., a Delaware corporation formerly
known as Biogan International, Inc. (the "Company"), and ______________ (the
"Optionee"), as of ____________ ("Date of Grant"). If the Optionee is presently
or subsequently becomes employed by a subsidiary of the Company, the term
"Company" shall be deemed to refer collectively to HMZ Metals, Inc. and the
subsidiary or subsidiaries that employs the Optionee.

                                 R E C I T A L S
                                 ---------------

         A. The Board of Directors of the Company has adopted the HMZ Metals,
Inc. 2000 Stock Option Plan ("Plan") as an employee incentive to retain key
employees, directors, and consultants of the Company and to enhance the ability
of the Company to attract new employees, directors and consultants whose
services are considered unusually valuable by providing an opportunity to have a
proprietary interest in the success of the Company.

         B. The Committee established to administer the Plan ("Committee") has
approved the granting of options to the Optionee pursuant to the Plan to provide
an incentive to the Optionee to focus on the long-term growth of the Company.

                                    AGREEMENT
                                    ---------

         In consideration of the mutual covenants and conditions hereinafter set
forth and for other good and valuable consideration, the receipt and sufficiency
of which are hereby acknowledged, the Company and the Optionee agree as follows:

                  1. GRANT OF OPTION. The Company hereby grants to the Optionee
the right and option ("Option") to purchase an aggregate of ___________ shares
(such number being subject to adjustment as provided in paragraph 10 below and
Section 13 of the Plan) of the Common Stock of HMZ Metals, Inc. ("Stock") on the
terms and conditions herein set forth. This Option may be exercised in whole or
in part and from time to time as hereinafter provided. The Option granted under
this Agreement is intended to be an "incentive stock option" as set forth in
Section 422 of the Internal Revenue Code of 1986, as amended ("Code").

                  2. VESTING OF OPTION. The Option shall vest and become
exercisable in accordance with the schedule below:

                  For each of ___________ months, beginning on _______________,
                  and ending on _________________, ________ shares subject to
                  the Option shall become vested and exercisable. On
                  ____________, _________ shares subject to the Option shall be
                  vested and exercisable, at which time 100% of the Stock
                  subject to the Option shall be vested and exercisable.

<PAGE>

                  3. PURCHASE PRICE. The price at which the Optionee shall be
entitled to purchase the Stock covered by the Option shall be $______ per share,
which price is 100% of the Fair Market Value (as defined in the Plan) of the
Stock on the Date of Grant.

                  4. TERM OF OPTION. The Option granted under this Agreement
shall expire, unless otherwise exercised, ten years from the Date of Grant,
through and including the normal close of business of the Company on
______________ ("Expiration Date"), subject to earlier termination as provided
in paragraph 8 below.

                  5. EXERCISE OF OPTION. The Option may be exercised by the
Optionee as to all or any part of the Stock then vested by delivery to the
Company of written notice of exercise and payment of the purchase price as
provided in paragraphs 6 and 7 below.

                  6. METHOD OF EXERCISING OPTION. Subject to the terms and
conditions of this Agreement, the Option may be exercised by timely delivery to
the Company of written notice, which notice shall be effective on the date
received by the Company ("Effective Date"). The notice shall state the
Optionee's election to exercise the Option, the number of shares in respect of
which an election to exercise has been made, the method of payment elected (see
paragraph 7 below), the exact name or names in which the shares will be
registered and the taxpayer identification number of the Optionee. The notice
shall be signed by the Optionee and shall be accompanied by payment of the
purchase price of such shares. If the Option is exercised by a person or persons
other than Optionee pursuant to paragraph 8 below, the notice shall be signed by
the other person or persons and shall be accompanied by proof acceptable to the
Company of the legal right of the person or persons to exercise the Option. All
shares delivered by the Company upon exercise of the Option shall be fully paid
and nonassessable upon delivery.

                  7. METHOD OF PAYMENT FOR OPTIONS. Payment for shares purchased
upon the exercise of the Option shall be made by the Optionee in cash or such
other method permitted by the Committee and communicated to the Optionee in
writing prior to the date the Optionee exercises all or any portion of the
Option.

                  8. TERMINATION OF EMPLOYMENT.

                           8.1 GENERAL. If the Optionee terminates employment
for any other reason than for Cause (as that term is defined in the Plan) or
voluntary resignation of any agreement to remain in the employ of the Company,
then the Optionee may at any time within three months after the effective date
of termination of employment exercise the Option to the extent that the Optionee
was entitled to exercise the Option at the date of termination, provided that in
no event shall the Option be exercisable after the Expiration Date. If the
Optionee terminates employment for Cause or voluntary resignation of any
agreement to remain in the employ of the Company, the Optionee may at any time
within 30 days after the effective date of such termination of employment
exercise the Option to the extent that the Optionee was entitled to exercise the
Option at the date of termination, provided that in no event shall the Option,
or any part thereof, be exercisable after the Expiration Date.

                                       2
<PAGE>

                           8.2 DEATH OR DISABILITY OF OPTIONEE. In the event of
the death or Disability (as that term is defined in the Plan) of the Optionee
within a period during which the Option, or any part thereof, could have been
exercised by the Optionee, including three months after termination of
employment other than for Cause or voluntary resignation of any agreement to
remain in the employ of the Company ("Option Period"), the Option shall lapse
unless it is exercised within the Option Period and in no event later than 12
months after the date of the Optionee's death or Disability by the Optionee or
the Optionee's legal representative or representatives in the case of a
Disability or, in the case of death, by the person or persons entitled to do so
under the Optionee's last will and testament or if the Optionee fails to make a
testamentary disposition of the Option or shall die intestate, by the person or
persons entitled to receive the Option under the applicable laws of descent and
distribution. An Option may be exercised following the death or Disability of
the Optionee only if the Option was exercisable by the Optionee immediately
prior to his death or Disability. In no event shall the Option be exercisable
after the Expiration Date. The Committee shall have the right to require
evidence satisfactory to it of the rights of any person or persons seeking to
exercise the Option under this paragraph 8 to exercise the Option.

                  9. NONTRANSFERABILITY. The Option granted by this Agreement
shall be exercisable only during the term of the Option provided in paragraph 4
above and, except as provided in paragraph 8 above, only by the Optionee during
his lifetime and while an Optionee of the Company. This Option shall not be
transferable by the Optionee or any other person claiming through the Optionee,
either voluntarily or involuntarily, except by will or the laws of descent and
distribution or such other events as are set forth in the Plan.

                  10. ADJUSTMENTS IN NUMBER OF SHARES AND OPTION PRICE. In the
event of a stock dividend or if the Stock is changed into or exchanged for a
different number or class of shares of stock of the Company or of another
corporation, whether through reorganization, recapitalization, stock split-up,
combination of shares, merger or consolidation, there shall be substituted for
each remaining share of Stock then subject to this Option the number and class
of shares of stock into which each outstanding share of Stock is to be so
exchanged, all without any change in the aggregate purchase price for the shares
then subject to the Option, all as set forth in Section 13 of the Plan.

                  11. DELIVERY OF SHARES. No shares of Stock shall be delivered
upon exercise of the Option until (i) the purchase price has been paid in full
in the manner herein provided; (ii) applicable taxes required to be withheld
have been paid or withheld in full; (iii) approval of any governmental authority
required in connection with the Option, or the issuance of shares thereunder,
has been received by the Company; and (iv) if required by the Committee, the
Optionee has delivered to the Committee an Investment Letter in form and content
satisfactory to the Company as provided in paragraph 12 below.

                                       3
<PAGE>

                  12. SECURITIES ACT. The Company shall not be required to
deliver any shares of Stock pursuant to the exercise of all or any part of the
Option if, in the opinion of counsel for the Company, the issuance would violate
the Securities Act of 1933, as amended (the "Securities Act") or any other
applicable federal or state securities laws or regulations. The Committee may
require that the Optionee, prior to the issuance of any shares pursuant to
exercise of the Option, sign and deliver to the Company a written statement
("Investment Letter") stating (i) that the Optionee is purchasing the shares for
investment and not with a view to the sale or distribution thereof; (ii) that
the Optionee will not sell any shares received upon exercise of the Option or
any other shares of the Company that the Optionee may then own or thereafter
acquire except either (a) through a broker on a national securities exchange or
(b) with the prior written approval of the Company; and (iii) containing such
other terms and conditions as counsel for the Company may reasonably require to
assure compliance with the Securities Act or other applicable federal or state
securities laws and regulations. The Investment Letter shall be in form and
content acceptable to the Committee in its sole discretion.

                  13. FEDERAL AND STATE TAXES. Upon exercise of the Option, or
any part thereof, the Optionee may incur certain liabilities for federal, state
or local taxes and the Company may be required by law to withhold taxes for
payment to taxing authorities. Upon determination by the Company of the amount
of taxes required to be withheld, if any, with respect to the shares to be
issued pursuant to the exercise of the Option, the Optionee shall pay all
federal state and local tax withholding requirements to the Company.

                  14. DEFINITIONS; COPY OF PLAN. To the extent not specifically
provided herein, all capitalized terms used in this Agreement have the same
meanings ascribed to them in the Plan. By the execution of this Agreement, the
Optionee acknowledges receipt of a copy of the Plan.

                  15. ADMINISTRATION. This Agreement shall at all times be
subject to the terms and conditions of the Plan and the Plan shall in all
respects be administered by the Committee in accordance with the terms of and as
provided in the Plan. The Committee shall have the sole and complete discretion
with respect to all matters reserved to it by the Plan and decisions of the
majority of the Committee with respect thereto and to this Agreement shall be
final and binding upon the Optionee and the Company. In the event of any
conflict between the terms and conditions of this Agreement and the Plan, the
provisions of the Plan shall control.

                  16. CONTINUATION OF EMPLOYMENT. This Agreement shall not be
construed to confer upon the Optionee any right to continue in the employ of the
Company and shall not limit the right of the Company, in its sole discretion, to
terminate the employment of the Optionee at any time.

                  17. OBLIGATION TO EXERCISE. The Optionee shall have no
obligation to exercise any option granted by this Agreement.

                  18. GOVERNING LAW. This Agreement shall be interpreted and
administered under the laws of the State of California.

                                       4
<PAGE>

                  19. AMENDMENTS. This Agreement may be amended only by a
written agreement executed by the Company and the Optionee. The Company and the
Optionee acknowledge that changes in federal tax laws enacted subsequent to the
Date of Grant, and applicable to stock options, may provide for tax benefits to
the Company or the Optionee. In any such event, the Company and the Optionee
agree that this Agreement may be amended as necessary to secure for the Company
and the Optionee any benefits that may result from such legislation. Any
amendment shall be made only upon the mutual consent of the parties, which
consent (of either party) may be withheld for any reason.

                  20. TAX INFORMATION AND NOTICE OF DISQUALIFYING DISPOSITION.
This Option is intended to be eligible for treatment as an Incentive Stock
Option under Section 422 of the Code. Whether this Option will receive that tax
treatment will depend, in part, on the actions by the Optionee after exercise of
this Option. For example, if the Optionee disposes of any of the Stock acquired
under this Option within two years after the Date of Grant or within one year of
the date of exercise of this Option, the Optionee may lose the benefits of Code
Section 422. Accordingly, the Company makes no representations by way of the
Plan, this Agreement, or otherwise, with respect to the actual tax consequences
of the grant or exercise of this Option or the subsequent disposition of the
Stock acquired under this Option.

                  If the Optionee sells or makes a disposition (within the
meaning of Section 422 of the Code) of any of the Stock acquired under this
Option prior to the later of (i) one year from the date of exercise of this
Option, or (ii) two years from the Date of Grant, the Optionee agrees to give
written notice to the Company of the disposition. The notice shall include the
Optionee's name, the number, exercise price and exercise date of the shares of
Stock disposed of, and the date of disposition.

         IN WITNESS WHEREOF, the Company has caused this Agreement to be duly
executed by its officer thereunto duly authorized and the Optionee has hereunto
set his or her hand as of the date first written above.

HMZ METALS, INC.

By: _______________________________              _______________________________
    Gilles LaVerdiere, President                 Optionee

                                       5

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