Document:

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                                                                   EXHIBIT 10.20

                             BROOKS AUTOMATION, INC.

                       NONQUALIFIED STOCK OPTION AGREEMENT

      Nonqualified Stock Option Agreement (the "Option") made effective as of
the <<OPTION_DATE>>, between Brooks Automation, Inc. (the "Corporation"), and
<<FIRST_NAME>> <<MIDDLE_NAME>> <<LAST_NAME>> (the "Recipient"), a Director of
the Corporation, pursuant to the Brooks Automation, Inc. 2000 Equity Incentive
Plan, as it may be amended from time to time (the "2000 Plan").

                              W I T N E S S E T H:

      WHEREAS, on February 24, 2000, the Corporation adopted the 2000 Plan which
provides for the issuance of stock options, and

      WHEREAS, on April 27, 2004 the Corporation amended the Plan to, among
other things, allow the grant of stock options to, among other, independent
directors pursuant to the Plan; and

      WHEREAS, the Recipient is an independent director as provided for in the
Plan; and

      WHEREAS, the Corporation and the Recipient desire to enter into an
agreement whereby the Corporation will grant the Recipient an option to purchase
shares of the Common Stock, $.01 par value, of the Corporation (the "Stock"),
and this option is intended to qualify as a Nonqualified Stock Option;

      NOW, THEREFORE, for good and valuation consideration, the receipt and
sufficiency of which is hereby acknowledged, the Corporation and the Recipient
agrees as follows:

      1. Grant of Option.

      Pursuant to the terms and conditions of the 2000 Plan and this Option, the
Corporation hereby grants to the Recipient an Option to purchase, as provided in
Section 3 hereof, all or any part of a total of <<SHARES_GRANTED>> shares of
Stock (the "Option Shares"). This Option is expressly subject to all of the
terms and conditions contained in this Option or in the 2000 Plan, which is
hereby incorporated herein by reference. All capitalized terms not defined in
this Option have the meanings specified in the 2000 Plan.

      2. Purchase Price.

      The price at which the Option Shares may be purchased shall be
<<OPTION_PRICE>> per share (the "Option Exercise Price"). This price is not less
than the Fair Market Value of the Stock on the date of this Option.

      3. Vesting and Exercise of Option.

Subject to the provisions of Section 4 and the right of the Corporation to
accelerate the date upon which any or all of the shares covered by this Option
becomes exercisable, the Recipient shall become entitled to purchase the
indicated percentage of the Option Shares as follows:

                                     - 1 -
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<TABLE>
<CAPTION>
Period of Time Elapsed From Date of Option                 Percentage of Total Shares Vesting
------------------------------------------                 ----------------------------------
<S>                                                        <C>
      Each 3 month period for the next 48 months                           6.25%
</TABLE>

Notwithstanding any provision herein to the contrary, in no event may this
Option be exercised after seven years from the date of this Option (the
"Expiration Date").

      4. Termination of Relationship.

If the Recipient ceases to be a Director of the Corporation (a "Termination"),
then this Option may be exercised as to all vested Option Shares with respect to
which Recipient could exercise this Option on the date the Recipient ceased to
be a Director, and which shares have not been previously purchased, until the
earlier of Expiration Date, or:

            (i)  in the case the Recipient ceases to be a Director by reason of
                 death or permanent disability, 12 months after the Recipient
                 ceases to be a Director;

            (ii) in all other cases, the 30 days period following the date such
                 person ceases to be a Director

      5. Nontransferability; Persons Able to Exercise.

      The Option may not be transferred other than by will or the laws of
descent and distribution. During the life of the Recipient, only the Recipient
may exercise this Option. If the Recipient dies while still affiliated with the
Corporation, or during the periods specified in Section 4, this Option may be
exercised by his executors, administrators, legatees or distributees, provided
that such person or persons comply with the provisions of this Option applicable
to the Recipient.

      6. Method of Exercising Option.

      The Option may be exercised, in whole or in part, by written notice to the
Corporation. The written notice specified in this Section must be accompanied by
payment of the Option Exercise Price for the shares being purchased. Payment
shall be made in cash, unless the Corporation, in its sole discretion,
authorizes payment to be made in shares of the Corporation or a combination of
such shares and cash. As soon as practical after receipt of this notice and
payment, the Corporation shall deliver a certificate or certificates
representing the purchased shares registered in the name of the person or
persons exercising this Option. In the event this Option is exercised by any
person other than the Recipient, the notice shall be accompanied by appropriate
proof of the right of such person to exercise this Option. All shares purchased
upon

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the exercise of this Option and payment of the full Option Exercise Price will
be fully paid and nonassessable.

      7. Stock Adjustments.

      If there shall be any change in the Stock through merger, consolidation,
reorganization, recapitalization, or other change in the corporate structure of
the Corporation, appropriate adjustments in the total number and kind of shares
subject to this Option shall be made by the Corporation as provided in the 2000
Plan.

      8. No Rights Other Than Those Expressly Created.

      Neither this Option nor any action taken hereunder shall be construed as
(i) giving the Recipient any right to continue to be affiliated with, the
Corporation, (ii) giving the Recipient any equity or interest of any kind in any
assets of the Corporation, or (iii) creating a trust of any kind or a fiduciary
relationship of any kind between the Recipient and the Corporation. As to any
claim for any unpaid amounts under this Option, any person having a claim for
payments shall be unsecured creditor. The Recipient shall not have any of the
rights of a stockholder with respect to any Option Shares until such time as
this Option has been exercised and Option Shares have been issued.

      9. Compliance with Laws.

            (a) Withholding of Taxes. Pursuant to applicable federal, state,
local or foreign laws, the Corporation may be required to collect or withhold
income or other taxes from Recipient upon the grant of this Option, the exercise
of this Option, or at some other time. The Corporation may require, as a
condition to the exercise of this Option, or demand, at such other time as it
may consider appropriate, that the Recipient pay the Corporation the amount of
any taxes which the Corporation may determine is required to be collected or
withheld, and the Recipient shall comply with the requirement or demand of the
Corporation.

            (b) Securities Law Compliance. Upon exercise (or partial exercise)
of this Option, the Recipient shall make such representations and furnish such
information as may, in the opinion of counsel for the Corporation, be
appropriate to permit the Corporation to issue or transfer the Option Shares in
compliance with the provisions of applicable federal or state securities laws.
The Corporation, in its discretion, may postpone the issuance and delivery of
Option Shares upon any exercise of this Option until completion of such
registration or other qualification of such shares under any federal or state
laws, or stock exchange listing, as the Corporation may consider appropriate.
The Corporation may require that prior to the issuance or transfer of Option
Shares upon exercise of this Option, the Recipient enter into a written
agreement to comply with any restrictions on subsequent disposition that the
Corporation deems necessary or advisable under any applicable federal and state
securities laws. Certificates of Stock issued hereunder may bear a legend to
reflect such restrictions.

            (c) General. No Option Shares shall be issued upon exercise of this
Option unless and until the Corporation is satisfied, in its sole discretion,
that there has been compliance with all legal requirements applicable to the
issuance of such Option Shares.

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      10. Miscellaneous.

            (a) Provisions of the Plan. The Option hereby granted is expressly
subject to all of the terms and conditions contained in this Option and in the
2000 Plan and the 2000 Plan is hereby incorporated herein by reference. All
capitalized terms not defined in this Option have the meanings specified in the
2000 Plan. This stock option is not intended to be an Incentive Stock Option, as
that term is described in Section 422 of the Internal Revenue Code of 1986, as
amended.

            (b) Discretion of the Committee. Unless otherwise explicitly
provided, the Committee, as defined in the Plan, shall make all determinations
required to be made hereunder, including determinations required to be made by
the Corporation, and shall interpret all provisions of this Option, as it deems
necessary or desirable, in its sole and unfettered discretion. Such
determinations and interpretations shall be binding and conclusive to the
Corporation and the Recipient. The Committee, in its sole discretion, is
authorized to accelerate the time at which this Option may be exercised.

            (c) Reservation of Shares. During the term of this Option, the
Corporation shall at all times reserve and keep available shares of Stock
sufficient to satisfy the requirements of this Option.

            (d) Amendment. This Option may only be modified or amended by a
writing signed by both parties.

            (e) Notices. Any notices required to be given under this Option
shall be sufficient if in writing and if hand-delivered or if sent by first
class mail and addressed as follows:

IF TO THE CORPORATION:

Brooks Automation, Inc.
15 Elizabeth Drive
Chelmsford, MA  01824

IF TO THE RECIPIENT:

<<FIRST_NAME>> <<MIDDLE_NAME>> <<LAST_NAME>>
<<ADDRESS_LINE_1>> <<ADDRESS_LINE_2>> <<ADDRESS_LINE_3>>
<<CITY>>, <<STATE>> <<ZIP_CODE>>
<<COUNTRY>>

or to such other address as either party may designate under the provisions
hereof.

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            (f) Successors and Assigns. The rights and obligations of the
Corporation under this Option shall inure to the benefit of and be binding upon
the successors and assigns of the Corporation.

            (g) Applicable Law. All rights and obligations under this Option
shall be governed by the laws of the Commonwealth of Massachusetts.

            (h) Paragraph Headings. The paragraph headings used in this Option
are for convenience of reference only, and are not to be construed as part of
this Option.

      IN WITNESS WHEREOF, the parties have executed this Option as an instrument
under seal effective as of the date written on the first page of this Option.

BROOKS AUTOMATION, INC.

      By:____________________________

Recipient:

_____________________________

<<FIRST_NAME>> <<MIDDLE_NAME>> <<LAST_NAME>>

                                     - 5 -<PAGE>

                                                                   Exhibit 10.21

                             BROOKS AUTOMATION, INC.

                           RESTRICTED STOCK AGREEMENT

     AGREEMENT made this _____________ between Brooks Automation, Inc., a
Delaware corporation (the "Company"), and _____________ (the "Employee").

                                   WITNESSETH:

     WHEREAS, as an inducement for the Employee to assist the Company to achieve
long-range performance goals and to enable the Employee to participate in the
long-term growth of the Company, the Company desires to grant to the Employee
______ shares (the "Shares") of the Company's common stock, $.01 par value per
share (the "Common Stock"), pursuant to the Company's Amended and Restated 2000
Equity Incentive Plan (the "Plan") and subject to the terms and conditions set
forth herein;

     NOW, THEREFORE, for good and valuable consideration, receipt and
sufficiency of which are hereby acknowledged, the parties hereto agree as
follows:

ARTICLE 1 - ACQUISITION OF SHARES

     1.1 Award of Shares. The Company has granted the Shares to the Employee,
and the Employee hereby accepts the Shares, subject to the terms and conditions
of the Plan and this Agreement. In the event of an inconsistency between this
Agreement and the Plan, which is incorporated herein by reference, the Plan will
control. All capitalized terms not defined in this Agreement have the meaning
specified in the Plan.

     1.2 Record ownership; custody of certificates, etc.

          (a) In accordance with the Plan and Section 158 of the Delaware
General Corporation Law, the Shares shall be evidenced in the books of the
Company as owned by the Employee. The Shares shall be held in uncertificated
form except as the Company otherwise determines. If at any time the Shares are
represented by certificates or other evidence of ownership, the Company may
retain custody of such certificates or other evidence of ownership until such
time as the Shares are either forfeited to the Company or cease to be subject to
the risk of forfeiture and transfer restrictions described herein and in the
Plan. Notwithstanding the foregoing, except as set forth herein or in the Plan
the Employee shall have the rights of an owner of the Shares, including the
right to vote the shares and the right to dividends or other distributions.

          (b) Upon the lapsing of the restrictions described herein with respect
to the Shares, the Company shall take such steps as it determines to be
necessary or appropriate to transfer certificates or other evidence of ownership
to the Employee, including, if so determined by the Company, to a brokerage
account held by or for the benefit of the Employee.

                                       1

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     1.3 Employee Representations. The Employee represents, warrants and
covenants as follows:

          (a) The Employee has received and reviewed the Plan and the Prospectus
related to the Plan, including the documents incorporated therein by reference.

          (b) The Employee understands that (i) the Federal income tax
consequences to the Employee of the transfer of the Shares to the Employee will
vary depending upon whether the Employee makes an election under Section 83(b)
of the Internal Revenue Code of 1986, as amended (the "Code"), (ii) the Company
is not providing the Employee with any advice as to whether to make such
election, (iii) the Employee has been advised to seek the counsel of his or her
own tax advisor as to whether, and if so where and how to make such election,
(iv) such election, if made, must be filed with the Internal Revenue Service
within 30 days of the date of this Agreement, and (v) the Employee must notify
the Company upon making such election.

          (c) The Employee understands, agrees and acknowledges that the Shares
are subject to restrictions on transfer and may be forfeited if the conditions
of this Agreement are not satisfied. The Employee also understands, agrees and
acknowledges that if the Shares are ever certificated the Company may, at its
election and in its sole discretion, require that the certificates have affixed
thereto a legend in substantially the following form:

          "The shares of stock represented by this certificate are subject to
     restrictions on transfer and a risk of forfeiture set forth in a certain
     Restricted Stock Agreement between the corporation and the registered owner
     of this certificate (or his or her predecessor in interest). Such Agreement
     is available for inspection without charge at the principal executive
     offices of the corporation."

ARTICLE 2 - FORFEITURE

     2.1 Vesting and Forfeiture. For purposes of this Agreement, employment with
the Company shall include employment with a consolidated subsidiary of the
Company. The Shares shall vest as follows unless earlier forfeited in accordance
with this Section 2.1:

          (a) Unless earlier vested or forfeited, the Shares shall vest: (i) as
     to fifty (50%) percent of the Shares, on ___________, 200x [two years from
     date of grant]; (ii) as to an additional twenty-five (25%) of the Shares,
     on ____________, 200x [three years from date of grant]; and (iii) as to the
     final twenty-five (25%) of the Shares, on ___________, 20xx [four years
     from date of grant].

          (b) If there is a Qualifying Termination of the Employee's employment
     with the Company and its subsidiaries that occurs either before a Change in
     Control or more than one year following a Change in Control, then in
     addition to any Shares previously vested under Section 2.1(a) above, a
     number of Shares equal to the relevant Earned Fraction shall be treated as
     having vested immediately prior to the Qualifying Termination.

                                       2

<PAGE>

          (c) If there is a Qualifying Termination of the Employee's employment
     with the Company and its subsidiaries that occurs within the one-year
     period following a Change in Control, any Shares that were unvested but
     outstanding immediately prior to the Qualifying Termination shall be
     treated as having vested immediately prior to the Qualifying Termination.

For purposes of this Section 2.1:

          (A) "Cause" means (i) the Employee's willful failure to perform, or
     serious negligence in the performance of, the Employee's duties and
     responsibilities for the Company or any of its subsidiaries that remains
     uncured, or continues, beyond the fifteenth (15th) day following the date
     on which the Company gives the Employee notice specifying in reasonable
     detail the nature of the failure or negligence; (ii) fraud, embezzlement or
     other dishonesty with respect to the Company or any of its subsidiaries or
     customers; (iii) conviction of, or a plea of guilty or nolo contendere with
     respect to, a felony or to any crime (whether or not a felony) that
     involves moral turpitude; or (iv) breach of fiduciary duty or violation of
     any covenant of confidentiality, assignment of rights to intellectual
     property, non-competition or non-solicitation of customers or employees;
     provided, that if at the time of termination of employment the Employee is
     party to an employment agreement or similar agreement with the Company or
     any of its subsidiaries that includes a definition of "Cause", the
     definition contained in such employment agreement or similar agreement
     shall apply for purposes of this Section 2.1 in lieu of the definition set
     forth above in this clause (A).

          (B) "Qualifying Termination" means a termination by the Company or by
     a subsidiary of the Company of the Employee's employment with the Company
     and its subsidiaries, other than a termination for Cause.

          (C) "Earned Fraction" means:

               (I) for a Qualifying Termination occurring before __________,
          200x, the number of unvested Shares outstanding immediately prior to
          the Qualifying Termination that would have vested on ___________, 200x
          had the Employee continued in the employ of the Company and its
          subsidiaries, multiplied by a fraction, the numerator of which is the
          number of days elapsed between ____________, 200x and the date of the
          Qualifying Termination, and the denominator of which is seven hundred
          thirty (730); and

               (II) for a Qualifying Termination occurring after _________, 200x
          but before __________, 200x, the number of unvested Shares outstanding
          immediately prior to the Qualifying Termination that would have vested
          on _____________, 200x had the Employee continued in the employ of the
          Company and its subsidiaries, multiplied by a fraction, the numerator
          of which is the number of days elapsed between ___________, 200x and
          the date of the Qualifying Termination, and the denominator of which
          is three hundred sixty five (365); and

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               (III) for a Qualifying Termination occurring after ___________,
          200x but before ___________, 20xx, the number of unvested Shares
          outstanding immediately prior to the Qualifying Termination that would
          have vested on ______________, 20xx had the Employee continued in the
          employ of the Company and its subsidiaries, multiplied by a fraction,
          the numerator of which is the number of days elapsed between
          ____________, 200x and the date of the Qualifying Termination, and the
          denominator of which is three hundred sixty five (365).

          (D) "Change in Control" means the occurrence of any of the events
     described in subsections (i), (ii), (iii) or (iv) below:

               (i) Any Person acquires beneficial ownership (within the meaning
          of Rule 13d-3 promulgated under the Exchange Act) of thirty-five (35%)
          percent or more of either (x) the then outstanding shares of common
          stock of the Company (the "Outstanding Company Common Stock") or (y)
          the combined voting power of the then outstanding voting securities of
          the Company entitled to vote generally in the election of directors
          (the "Outstanding Company Voting Securities"); provided, that for
          purposes of this subsection (D)(i) the following acquisitions shall
          not constitute a Change in Control: (I) any acquisition directly from
          the Company, (II) any acquisition by the Company, (III) any
          acquisition by an employee benefit plan (or related trust) sponsored
          or maintained by the Employer, or (IV) any Business Combination (but
          except as provided in subsection (D)(iii) below a Business Combination
          may nevertheless constitute a Change in Control under subsection
          (D)(iii)); and provided further, that an acquisition by a Person of
          thirty-five percent (35%) percent or more but less than fifty (50%)
          percent of the Outstanding Company Common Stock or of the combined
          voting power of the Outstanding Company Voting Securities shall not
          constitute a Change in Control under this subsection (D)(i) if within
          fifteen (15) days of the Board's being advised that such ownership
          level has been reached, a majority of the "Incumbent Directors" (as
          hereinafter defined) then in office adopt a resolution approving the
          acquisition of that level of securities ownership by such Person; or

               (ii) Individuals who, as of ____________, 200x, constituted the
          Board (the "Incumbent Directors") cease for any reason to constitute
          at least a majority of the Board; provided, that any individual who
          becomes a member of the Board subsequent to ____________, 200x and
          whose election or nomination for election was approved by a vote of at
          least two-thirds of the Incumbent Directors shall be treated as an
          Incumbent Director unless he or she assumed office as a result of an
          actual or threatened election contest with respect to the election or
          removal of directors; or

               (iii) There is consummated a reorganization, merger or
          consolidation involving the Company, or a sale or other disposition of
          all or substantially all of the assets of the Company (a "Business
          Combination"), in each case unless,

                                       4

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          following such Business Combination, (x) the Persons who were the
          beneficial owners, respectively, of the Outstanding Company Common
          Stock and of the combined voting power of the Outstanding Company
          Voting Securities immediately prior to the Business Combination
          beneficially own, directly or indirectly, more than 50% of,
          respectively, the then outstanding shares of common stock and the
          combined voting power of the then outstanding voting securities
          entitled to vote generally in the election of directors, as the case
          may be, of the entity resulting from such Business Combination in
          substantially the same proportions as their ownership immediately
          prior to such Business Combination of the Outstanding Company Common
          Stock and of the combined voting power of the Outstanding Company
          Voting Securities, as the case may be, (y) unless in connection with
          such Business Combination a majority of the Incumbent Directors then
          in office determine that this clause (D)(iii)(y) does not apply to
          such Business Combination, no Person (excluding any entity resulting
          from such Business Combination or any employee benefit plan (or
          related trust) of the Employer or of such corporation resulting from
          such Business Combination) beneficially owns, directly or indirectly,
          thirty-five (35%) percent or more of, respectively, the then
          outstanding shares of common stock of the corporation resulting from
          such Business Combination or the combined voting power of the then
          outstanding voting securities of such corporation entitled to vote
          generally in the election of directors, except to the extent that such
          ownership existed prior to the Business Combination and (z) at least a
          majority of the members of the Board resulting from such Business
          Combination were Incumbent Directors at the time of the execution of
          the initial agreement, or of the action of the Board, providing for
          such Business Combination; or

               (iv) The stockholders of the Company approve a complete
          liquidation or dissolution of the Company;

     provided, that if any payment or benefit payable hereunder upon or
     following a Change in Control (as defined herein) would be required to
     comply with the limitations of Section 409A(a)(2)(A)(v) of the Code and the
     guidance thereunder in order to avoid an additional tax under Section 409A
     of the Code, such payment or benefit shall be made only if such Change in
     Control constitutes a change in ownership or control of the Company, or a
     change in ownership of the Company's assets, described in IRS Notice
     2005-1, the proposed regulations under Section 409A of the Code, or any
     successor guidance.

          (E) "Board" means the Board of Directors of the Company.

          (F) "Employer" means the Company and its subsidiaries.

          (G) "Person" means any individual, entity or other person, including a
     group within the meaning of Sections 13(d) or 14(d)(2) of the Exchange Act.

          (H) "Exchange Act" means the Securities Exchange Act of 1934, as
     amended.

                                       5

<PAGE>

In the event the Employee ceases to be employed by the Company as a full-time
employee for any reason or no reason, with or without cause, prior to
______________, 20xx, all unvested Shares shall be immediately and automatically
forfeited to the Company.

     2.2 Restrictions on Transfer.

          (a) Except as otherwise provided in subsection (b) below, for so long
as any of the Shares are subject to a risk of forfeiture as described above, the
Employee shall not sell, assign, transfer, pledge, hypothecate or otherwise
dispose of, by operation of law or otherwise (collectively "transfer"), any such
Shares or any interest therein. Any attempted transfer in contravention of the
foregoing shall be null and void. The Company shall not be required to transfer
record ownership on its books of any Shares subject to the restrictions herein
that have been sold, assigned or otherwise transferred, hypothecated or disposed
of in violation of this Agreement.

          (b) Once the risk of forfeiture and the transfer restrictions
described above lapse as to any Shares, such Shares may be sold, transferred or
otherwise disposed of subject only to the restrictions of applicable law,
including applicable securities law, and to any insider-trading or similar
restrictions that may be imposed by the Company.

ARTICLE 3 - MISCELLANEOUS

     3.1 Adjustments for Stock Splits, Stock Dividends, etc. If there is any
stock split, reverse stock split, stock dividend, stock distribution or other
reclassification of the Common Stock, any and all new, substituted or additional
securities to which the Employee is entitled by reason of his ownership of the
Shares shall be immediately subject to the risk of forfeiture and transfer
restrictions described herein in the same manner and to the same extent, if any,
as such Shares.

     3.2 Restrictions on Distributions. If at any time while the Shares are
subject to the risk of forfeiture and transfer restrictions described herein
there is a dividend (other than a stock dividend described in Section 3.1) or
other distribution with respect to the Shares, whether of cash, Common Stock,
other securities or other property, the Company may require that the cash,
securities, or other property so dividended or distributed be subjected to
restrictions (including, without limitation, if the Company so determines, by
holding any such amounts in escrow) similar to those to which the Shares are
then subject.

     3.3 Withholding Taxes.

          (a) Pursuant to applicable federal, state, local or foreign laws, the
Company may be required to collect income or other taxes on the transfer of the
Shares to the Employee, the lapse of a restriction placed on the Shares, or at
other times. The Company may require, at such time as it considers appropriate,
that the Employee pay the Company the amount of any taxes that the Company may
determine is required to be withheld or collected, and the Employee shall comply
with the requirement or demand of the Company. The Company may withhold, collect

                                       6

<PAGE>

or offset against any amount owed by the Company to the Employee, the amount of
any such taxes in any manner (including, without limitation, by payment in whole
or in part in shares of Common Stock, including the Shares, valued at the Fair
Market Value, by check, or by offsetting such amount against compensation
otherwise due to the Employee), if in its sole discretion it deems any such
method to be an appropriate method for withholding or collecting taxes.

          (b) If the Employee elects, in accordance with Section 83(b) of the
Code, to recognize ordinary income in the year of acquisition of the Shares, the
Company may require that the Employee, at the time of such election, make an
additional payment for withholding tax purposes based on the difference, if any,
between the purchase price for such Shares and the fair market value of such
Shares.

     3.4 No Rights To Employment. Nothing contained in this Agreement shall be
construed as giving the Employee any right to be retained as an employee of the
Company.

     3.5 Waiver; Disposition of Stock. From time to time the Company may waive
its rights hereunder either generally or with respect to one or more specific
transfers which have been proposed, attempted or made. Each such waiver shall be
effective only in the specific instance and for the purpose for which it was
given, and shall not constitute a continuing waiver.

     3.6 Successors and Assigns; Assignment. This Agreement shall be binding
upon the parties hereto and their heirs, representatives, successors and
assigns. The Company may assign its rights hereunder either generally or from
time to time.

     3.7 Notices. All notices to a party hereto shall be in writing and shall be
deemed to have been adequately given if delivered in person or mailed, postage
pre-paid and registered or certified mail or federal express or other recognized
commercial courier service:

     If to the Company:

     Brooks Automation, Inc.
     15 Elizabeth Drive
     Chelmsford, Massachusetts 01824
     Attention: Chief Financial Officer

     If to Employee:

or to such other address as any party may from time to time designate for itself
by notice in writing given to the other parties hereto.

                                       7

<PAGE>

     3.8 Amendments. This Agreement may be amended or modified in whole or in
part only by an instrument in writing signed by the Company and the Employee.

     3.9 Entire Agreement. This Agreement constitutes the entire agreement
between the parties, and all premises, representations, understandings,
warranties and agreements with reference to the subject matter hereof have been
expressed herein or in the documents incorporated herein by reference.

     3.10 Applicable Law; Severability. This Agreement shall be governed by and
construed and enforced in accordance with Delaware law. Wherever possible, each
provision of this Agreement shall be interpreted in such manner as to be
effective and valid under applicable law, but if any provision hereof shall be
prohibited by or invalid under any such law, that provision shall be ineffective
only to the extent of such prohibition or invalidity, without invalidating or
nullifying the remainder of that provision or any other provisions of this
Agreement.

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

     3.12 Effect of Headings. Any table of contents, title of an article or
section heading herein contained is for convenience or reference only and shall
not affect the meaning of construction of any of the provisions hereof.

     IN WITNESS WHEREOF, the Employee has hereunto set his or her hand and the
Company has authorized this instrument to be signed by its officers thereunder
duly authorized, effective as an instrument under seal.

BROOKS AUTOMATION, INC.

By:
    ---------------------------------
Name:
      -------------------------------
Title: SVP & CFO

EMPLOYEE

-------------------------------------
Name:
      -------------------------------

                                       8

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