Document:

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                                                                   EXHIBIT 10.45

                                                                    [ASYST LOGO]

                                                                    April 5,2004

                            ASYST TECHNOLOGIES, INC.
                           CHANGE-IN-CONTROL AGREEMENT

      THIS CHANGE-IN-CONTROL AGREEMENT (this "Agreement"), made and entered into
as of April 5, 2004 and between Asyst Technologies, Inc., a California
corporation ("Asyst"), and Warren Kocmond, Jr. (the "Executive").

      WHEREAS, Asyst considers it essential to its best interests to foster the
continued employment of key management personnel and recognizes the distraction
and disruption that the possibility of a Change in Control (as defined in
Section 1(e) below) may raise to the detriment of Asyst and its stockholders;
and

      WHEREAS, Asyst has determined to take appropriate steps to reinforce and
encourage the continued attention and dedication of key management personnel to
their assigned duties in the face of a possible Change in Control;

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

      1. DEFINITIONS.

            (a) "BASE SALARY" shall mean the annual salary of the Executive at
the time of termination of his employment within the application of this
Agreement.

            (b) "BENEFICIARY" shall mean (i) the person or persons named by the
Executive, by notice to Asyst, to receive any compensation or benefit payable
under this Agreement or (ii) in the event of his death, if no such person is
named and survives the Executive, his estate.

            (c) "BOARD" shall mean the Board of Directors of Asyst.

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            (d) "CAUSE" shall mean:

                  (i) the Executive's conviction in a court of law of, or guilty
plea or no contest plea to, a felony charge;

                  (ii) willful, substantial and continued failure by the
Executive to perform the duties of his position after receiving notice of the
same;

                  (iii) willful engagement by the Executive in conduct that is
demonstrably materially and financially injurious to Asyst; or

                  (iv) gross negligence resulting in material economic harm to
Asyst.

            (e) "CHANGE IN CONTROL" shall mean the occurrence of any of the
following:

                  (i) an acquisition by an individual, an entity or a group
(excluding Asyst or an employee benefit plan of Asyst or a corporation
controlled by Asyst's stockholders) of 30 percent or more of Asyst's common
stock or voting securities;

                  (ii) a change in composition of the Board occurring within a
rolling two-year period, as a result of which fewer than a majority of the
directors are Incumbent Directors ("Incumbent Directors" shall mean directors
who either (x) are members of the Board as of the date of this Agreement or (y)
are elected, or nominated for election, to the Board with the affirmative votes
of at least a majority of the Incumbent Directors at the time of such election
or nomination, but shall not include an individual not otherwise an Incumbent
Director whose election or nomination is in connection with an actual or
threatened proxy contest (relating to the election of directors to the Board));
or

                  (iii) consummation of a complete liquidation or dissolution of
Asyst or a merger, consolidation or sale of all or substantially all of Asyst's
assets (collectively, a "Business Combination") other than a Business
Combination (x) in which the stockholders of Asyst receive 50 percent or more of
the stock resulting from the Business Combination, (y) at

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least a majority of the board of directors of the resulting corporation were
Incumbent Directors and (z) after which no individual, entity or group
(excluding any corporation resulting from the Business Combination or any
employee benefit plan of such corporation or of Asyst) owns 30 percent or more
of the stock of the resulting corporation, who did not own such stock
immediately before the Business Combination.

            (f) "DISABILITY" shall mean the illness or other mental or physical
disability of the Executive, as determined by a physician acceptable to Asyst
and the Executive, resulting in his failure (i) to perform substantially the
material duties of his position for a period of six or more consecutive months
or an aggregate of nine months in any 12-month period and (ii) to return to the
performance of his duties within 30 days after receiving written notice of
termination;

            (g) "GOOD REASON" shall mean, without the Executive's prior written
consent or his acquiescence:

                  (i) assignment to the Executive of duties incompatible with
his position, failure to maintain him in this position and its reporting
relationship or a substantial diminution in the nature of his authority or
responsibilities;

                  (ii) reduction in his then current Base Salary or in the bonus
or incentive compensation opportunities or benefits coverage available during
the term of this Agreement, except pursuant to an across-the-board reduction
similarly affecting all senior executives of Asyst;

                  (iii) termination of the Executive's employment, for any
reason other than Cause, death, Disability or voluntary termination, within two
years following a Change in Control;

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                  (iv) within two years following a Change in Control,
relocation of the Executive's principal place of business to a location more
than 30 miles from the location of such office on the date of this Agreement; or

                  (v) Asyst's failure to pay the Executive any material amounts
otherwise vested and due him hereunder or under any plan, program or policy of
Asyst.

      2. TERM OF AGREEMENT.

            This Agreement shall be effective immediately upon its execution by
Asyst and the Executive (the "Effective Date") and shall remain in effect until
the earliest to occur of (a) termination of the Executive's employment with
Asyst following a Change in Control (i) by reason of death or Disability, (ii)
by Asyst for Cause or (iii) by the Executive other than for Good Reason; (b) two
years after the date of a Change in Control; or (c) two years after the
Effective Date, provided that a Change in Control has not occurred within such
two-year period.

      3. ENTITLEMENT UPON TERMINATION BY ASYST WITHOUT CAUSE OR BY THE EXECUTIVE
FOR GOOD REASON WITHIN TWO YEARS FOLLOWING A CHANGE IN CONTROL.

      In the event of termination of the Executive's employment within two years
following a Change in Control (a) by Asyst without Cause or (b) by the Executive
for Good Reason, he shall be entitled to the following:

            (a) GENERAL ENTITLEMENT:

                  (i) his Base Salary through the date of termination;

                  (ii) payment in lieu of any unused vacation, in accordance
with Asyst's vacation policy and applicable laws;

                  (iii) any annual or discretionary bonus earned but not yet
paid to him for any calendar year prior to the year in which his termination
occurs;

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                  (iv) any compensation under any deferred compensation plan of
Asyst or deferred compensation agreement with Asyst then in effect;

                  (v) any other compensation or benefits, including without
limitation any benefits under long-term incentive compensation plans, any
benefits under equity grants and awards and employee benefits under plans that
have vested through the date of termination or to which he may then be entitled
in accordance with the applicable terms of each grant, award or plan; and

                  (vi) reimbursement of any business expenses incurred by the
Executive through the date of termination but not yet paid to him.

            (b) CHANGE-IN-CONTROL ENTITLEMENT:

                  (i) two times the sum of (A) his Base Salary, at the rate in
effect immediately before such termination, and (B) the average of his annual
bonuses for the three years prior to the year in which termination occurs, such
amount to be paid to the Executive in a cash lump sum within 30 business days
after termination;

                  (ii) continuing coverage under the life, disability, accident,
health, dental and vision insurance programs covering senior executives of Asyst
generally, as from time to time in effect, to the extent permitted under COBRA
coverage or the terms of other such programs for the two-year period from such
termination or, if earlier, until he becomes eligible for substantially similar
coverage under the employee welfare plans of a new employer; and

                  (iii) immediate and unconditional vesting of any unvested
stock options and stock grants previously awarded to the Executive and, for the
one-year period following termination, the right to exercise any stock options
held by him.

            (c) DETERMINATION OF AMOUNT OF PAYMENT. In the event that any
payments or other benefits received or to be received by the Executive pursuant
to this Agreement

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("Payments") would (i) constitute a "parachute payment" within the meaning of
Section 280G of the Internal Revenue Code of 1986, as amended (the "Code") and
(ii) but for this Section 3(c), be subject to the excise tax imposed by Section
4999 of the Code (the "Excise Tax"), then, in accordance with this Section 3(c),
such Payments shall be reduced to the maximum amount that would result in no
portion of the payments being subject to the Excise Tax, but only if and to the
extent that such a reduction would result in the Executive's receipt of Payments
that are greater than the net amount that he would receive hereunder (after
application of the Excise Tax) if no reduction were made.

            The amount of required reduction, if any, shall be the smallest
amount so that the Executive's net proceeds with respect to the Payments (after
taking into account payment of any Excise Tax) shall be maximized, as determined
by him. The Executive's determination of any required reduction pursuant to this
Section 3(c) shall be conclusive and binding upon Asyst. Asyst shall reduce
Payments in accordance with this Section 3(c) only upon written notice from the
Executive indicating the amount of such reduction, if any. If the Internal
Revenue Service (the "IRS") determines that a Payment is subject to the Excise
Tax, then the following paragraph shall apply.

            Notwithstanding any reduction described in the immediately preceding
paragraph (or in the absence of any such reduction), if the IRS determines that
the Executive is liable for the Excise Tax as a result of the receipt of
Payments, then he shall be obligated to pay back to Asyst, within 30 days after
final IRS determination, an amount of the Payments equal to the "Repayment
Amount." The Repayment Amount shall be the smallest such amount, if any, as
shall be required to be paid to Asyst so that the Executive's net proceeds with
respect to the Payments (after taking into account the payment of the Excise Tax
imposed on such Payments) shall be maximized. Notwithstanding the foregoing, the
Repayment Amount shall be zero if a

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Repayment Amount of more than zero would not eliminate the Excise Tax imposed on
the Payments. If the Excise Tax is not eliminated pursuant to this paragraph,
the Executive shall pay the Excise Tax.

            (d) RELEASE. Asyst may require, as a condition of receiving the
foregoing Change-in-Control payment under subsection (b) or (c) above, that the
Executive execute a general release substantially in the form annexed hereto as
Exhibit A, which upon execution shall be deemed incorporated herein by reference
as a material part of this Agreement.

      4. NO MITIGATION.

            Asyst agrees that if the Executive's employment with Asyst
terminates, he shall not be obligated to seek other employment or to attempt to
reduce any amount payable to him under this Agreement. Further, no amount of any
payment hereunder shall be reduced by any compensation earned by the Executive
as the result of employment by a subsequent employer or otherwise.

      5. NOTICES.

            Any notice or other communication required or permitted under this
Agreement shall be in writing and shall be deemed to have been duly given when
delivered by hand, electronic transmission (with a copy following by hand or by
overnight courier), by registered or certified mail, postage prepaid, return
receipt requested or by overnight courier addressed to the other party. All
notices shall be addressed as follows, or to such other address or addresses as
may be substituted by notice in writing:

            To Asyst:                              To the Executive:
            Asyst Technologies, Inc                Mr. Warren Kocmond, Jr.
            Steve Debenham                         48761 Kato Road
            VP, General Counsel & Secretary        Fremont, CA 94538
            48761 Kato Road
            Fremont, CA 94538
            Fax:(510)661-5663

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      6. GENERAL PROVISIONS.

            (a) AMENDMENTS. No provision of this Agreement may be amended,
modified or waived unless such amendment, modification or waiver shall be agreed
to in writing and signed by the Executive and by the Compensation Committee of
the Board.

            (b) SEVERABILITY. If any provision of this Agreement shall be
determined to be invalid or unenforceable by a court of competent jurisdiction,
the remaining provisions of this Agreement shall be unaffected thereby and shall
remain in full force and effect to the fullest extent permitted by law.

            (c) PARTIAL INVALIDITY. If any provision of this Agreement is held
by a court of competent jurisdiction to be invalid, void or unenforceable, the
remaining provisions shall nevertheless continue in full force without being
impaired or invalidated in any way.

            (d) GOVERNING LAW. This Agreement shall be construed, interpreted
and governed in accordance with the laws of the State of California, without
reference to rules relating to conflicts of law.

            (e) INCONSISTENCIES. The terms of this Agreement supersede any
inconsistent prior promises, policies, representations, understandings,
arrangements or agreements between the parties, whether by employment contract
or otherwise.

            (f) SURVIVAL. Notwithstanding the termination of the term of this
Agreement, the duties and obligations of Asyst, if any, following the
termination of the Executive's employment following a Change in Control shall
survive indefinitely.

            (g) WITHHOLDING. Asyst may deduct and withhold from any payments
hereunder the amount that Asyst, in its reasonable judgment, is required to
deduct and withhold for any federal, state or local income or employment taxes.

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            (h) NO OTHER COMPENSATION; EMPLOYEE AT WILL. Except as provided in
Section 3 above, no amount or benefit shall be payable to the Executive under
this Agreement in respect of termination of his employment within two years
following a Change in Control. This Agreement shall not be construed as creating
an express or implied contract of employment and, except as otherwise agreed in
writing between the Executive and Asyst, the Executive is and shall remain an
"employee at will" and shall not have any right to be retained in the employ of
Asyst.

            IN WITNESS WHEREOF, the parties have executed this Agreement as of
the day and year first above written.

                                    ASYST TECHNOLOGIES, INC.

Dated: April 5, 2004                By: /s/ Steve Debenham
                                        ----------------------------------------
                                        Name: Steve Debenham
                                        Its:  VP, General Counsel & Secretary

                                    EXECUTIVE

Dated: Apr. 10, 2004                /s/ Warren C. Kocmond Jr.
                                    --------------------------------------------
                                       Warren Kocmond, Jr.

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                                                                EXHIBIT 10.46

                  SEVERANCE AGREEMENT AND RELEASE OF ALL CLAIMS

      This Severance Agreement and Release of All Claims ("Agreement and
Release") is intended to constitute a binding agreement between you, Frederick
Tiso ("Employee"), and Asyst Technologies, Inc., on behalf of its subsidiary and
affiliated entities ("Asyst" or the "Company"). Please review the terms
carefully. By signing below, you are agreeing to end your employment
relationship with Asyst on the terms identified below, and in return for the
benefits provided herein. We advise you to consult with an attorney or other
advisor concerning its terms and obligations, and the specific effect on your
legal rights.

      1. Effective July 15, 2004, your employment with Asyst shall terminate.
You understand you have no recall rights.

      2. You and the Asyst agree that this Agreement is contractual in nature
and not a mere recital, and that this Agreement shall be interpreted as though
drafted jointly by the Employee and Asyst.

      3. You will be paid your earned salary and accrued PTO pay through July
15, 2004. You understand that, except as provided herein, you will not be
entitled to any additional payments, severance or other benefits from Asyst
associated with any claimed work or right to work beyond the date of your
termination.

      4. Your existing stock options they will continue to vest through July 15,
2004; however, your vesting shall cease automatically as of that date and all
such vesting shall be subject to the original terms and conditions of your
option grant and the Asyst stock option plan from which the grant issued.
Nothing herein shall operate to continue vesting, extend the original term of
the options granted to you or abridge Asyst's rights to cancel option shares, as
provided in such option grant or the Asyst stock option plan from which the
grant issued. Your participation in Asyst's Employee Stock Purchase Plan will
also automatically cease as of July 15, 2004. Please refer to the plan terms and
conditions. Additional information regarding stock options is available. Contact
Stock Administration at 520-661-5201 for additional information.

      5. Your health and employee benefits will terminate effective July 15,
2004, except as expressly provided in this Agreement and Release.

      6. During the course of your employment with Asyst, you have had access to
or have had possession of confidential and proprietary information or materials
of Asyst (including, but not limited to, technical information, business plans,
client, supplier and employee information, telephone records or lists, and
non-public financial information). You acknowledge and understand that all such
information or material constitutes confidential information of Asyst and/or its
customers and affiliates; you agree that you shall not retain and that you must
return to Asyst all originals and copies of such material. You further agree
that you shall not use, disclose or divulge any confidential or trade secret
information of Asyst, its customers or affiliates to any company, individual or
institution without the direct written authorization of Asyst's C.E.O., and that
your confidentiality obligations to Asyst are continuing into the future
regardless of termination of your employment.

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Tiso, Frederick
May 12, 2004

      7. You also agree to return promptly all property of Asyst, including
pagers, cellular phones, laptop computers, and any other materials or equipment
in your possession or which were provided to you by or through Asyst. You
further understand that any use of credit or telephone cards issued by Asyst in
conjunction with Asyst business will not be authorized beyond your termination
date, and any company expenses incurred after your termination date will not be
eligible for reimbursement.

      8. In addition to the benefits described above, and upon and in
consideration of your acceptance, execution and continued observance of the
terms and conditions of this Agreement and Release, the following releases, the
Agreement to Arbitrate Disputes and Claims and the Confidential Information and
Inventions Assignment Agreement you may have executed previously in conjunction
with your employment with Asyst, and the accompanying Termination Certificate,
which terms and conditions are incorporated herein by this reference and made a
material part of this Agreement and Release, and without further obligation to
do so, Asyst agrees to provide you the following additional separation benefits:

            (a) a lump sum payment equivalent to $125,000.00, less payroll and
      other deductions and withholdings (including deductions required to
      reimburse Asyst for monies previously extended to you as an Asyst
      Employee), to be made within ten (10) business days of the Effective Date
      of this Agreement and Release;

            (b) provided you elect coverage, continued COBRA standard health
      benefits under your group insurance coverage through June 30, 2005 (or
      until such earlier date as you are enrolled in alternative health coverage
      through regular employment with another company or entity);

            (c) acceleration as of July 15, 2004 of the portions of the
      following stock option grants that otherwise would have vested as of April
      5, 2005:

                  (i) Stock Option Grant No. 004404, at exercise price of $16.02
            per share;

                  (ii) Stock Option Grant No. 004405, at exercise price of
            $16.02 per share

      A summary of stock options is attached hereto as Exhibit A. Such stock
      options subject to the indicated vesting acceleration may be exercised
      (subject to all other terms and conditions of grant and the Stock Option
      Plan from which they were issued), on or before December 31, 2004. All
      other stock options vested as of termination of employment must be
      exercised within ninety (90) days of employment termination. Vested stock
      options not exercised within the indicated time periods will be
      automatically cancelled.

      9. You acknowledge that, except as expressly provided in this Agreement
and Release, you are not due or entitled to receive any additional compensation,
severance or benefits from Asyst, as of, following or relating to your
employment (including termination of your employment). You specifically
acknowledge and agree that you have no expectation, right or benefit due or
entitled to you under any bonus, severance or other compensation or benefit plan
or program of Asyst (including the Fiscal Year 2004 MBO or commission incentive
plans).

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Tiso, Frederick
May 12, 2004

      10. As part of this Agreement and Release, and in consideration of the
payments and benefits to be made to you, you agree to execute the Separation
Date Release Agreement, on or within twenty-one (21) days after July 15, 2004,
your termination date, and to allow such Release to become effective. The
Separation Date Release, a form of which is attached hereto as Exhibit B, should
not be signed before your termination date.

      11. You hereby fully waive, release, discharge and agree never to assert
against Asyst, its parent, subsidiary and affiliated entities, and the
shareholders, directors, officers, employees, agents and representatives of
each, from any and all claims, liabilities, charges and causes of action of any
kind whatsoever which you have, had or may have against them as of the date on
which you sign this Agreement relating to:

            (a)   your employment, termination of employment or any right,
                  expectation, claim or benefit relating to or arising in any
                  manner from your employment;

            (b)   any and all rights or claims relating to or
                  in any manner arising under the California Fair Employment and
                  Housing Act (Government Code section 12900 et seq., as
                  amended);

            (c)   any and all rights or claims relating to or in any manner
                  arising under the Civil Rights Act of 1964 (42 U.S.C. 2000, et
                  seq., as amended);

            (d)   any and all rights or claims relating to or in any manner
                  arising under the Americans with Disabilities Act (29 U.S.C.
                  706 et seq., as amended);

            (e)   any and all rights or claims relating to or in any manner
                  arising under the Age Discrimination in Employment Act of 1967
                  (29 U.S.C. 621 et seq., as amended);

            (f)   any and all rights or claims relating to or in any manner
                  arising under the WARN Act (as amended);

            (g)   any and all rights or claims relating to or in any manner
                  arising under the Equal Pay Act of 1963 (as amended);

            (h)   any and all rights or claims relating to or in any manner
                  arising under the California Labor Code Section 1197.5 (as
                  amended); and

            (i)   any and all rights or claims otherwise relating to or in any
                  manner arising under federal, state or local statutory,
                  administrative or common law or regulation, including claims
                  for wrongful termination or constructive discharge or
                  demotion, breach of contract (written, oral or implied),
                  breach of the covenant of good faith and fair dealing,
                  violation of public policy, infliction of emotional distress,
                  personal injury, defamation and misrepresentation.

      12. You also agree that, by signing this Agreement and Release and
accepting the separation benefits described above, you waive and release and
promise never to assert any such

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Tiso, Frederick
May 12, 2004

claims that you might have against the Released Parties. You therefore waive
your rights under section 1542 of the Civil Code of California, or other
comparable provision of applicable law, which states:

            A general release does not extend to claims which the creditor does
            not know or suspect to exist in his favor at the time of executing
            the release, which if known to him must have materially affected his
            settlement with the debtor.

      13. This Agreement and Release shall not affect any waiver or release of
any to claim for workers' compensation benefits and unemployment insurance
benefits.

      14. You understand, represent and agree that:

            (a)   you have had a reasonable opportunity to consider this
                  Agreement and Release and to consult an attorney or other
                  advisor before signing this Agreement and Release;

            (b)   you have read this Agreement and Release in full and
                  understand all of the terms and conditions set forth herein;

            (c)   you knowingly and voluntarily agree to all of the terms and
                  conditions set forth herein and intend to be legally bound by
                  them;

            (d)   you may rescind this Agreement and Release only with respect
                  to claims arising under the Age Discrimination in Employment
                  Act of 1967 (29 U.S.C. 621 et seq.) and only if you do so
                  within seven (7) days after signing it; and

            (e)   this Agreement and Release will not become effective or
                  enforceable with respect to claims arising under the Age
                  Discrimination in Employment Act of 1967 (29 U.S.C. 621 et
                  seq.) until seven (7) days after you have signed it.

      15. Asyst and you each represent to the other that we have not filed any
complaints, claims, grievances or actions against to other - or, with respect to
Asyst, against its parent, subsidiary and affiliated entities, and the
shareholders, directors, officers, employees, agents and representatives of
Asyst (the "Asyst Entities") -- in any state, federal or local court or agency.
You further covenant not to file any claims (other than claims for workers'
compensation benefits, claims for unemployment insurance benefits or other
claims not subject to waiver by law) against Asyst or the Asyst Entities at any
time hereafter. You hereby grant power of attorney to Asyst to dismiss on your
behalf any such complaint, claim grievance or action you file in the future in
violation of this section.

      16. Asyst and you each agree not to defame, disparage or criticize the
other - or, with respect to Asyst, its shareholders, directors, officers,
employees or business or employment practices - at any time. In addition, Asyst
and you each agree not to engage in any conduct that we know or reasonably
should know would damage the reputation of the other - or, with respect to

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Tiso, Frederick
May 12, 2004

Asyst, cause third parties to view Asyst or its shareholders, directors,
officers or employees in a less favorable light.

      17. Asyst and you each agree to not to disclose the existence of this
Agreement and Release, its terms, or any information relating to this Agreement
and Release to anyone other than a spouse (if any), tax preparer, accountant,
auditor, attorney and other professional adviser or party to whom disclosure is
necessary in order to comply with the law, regulation or administrative
requirement or request, or in response to legal process. In such event, Asyst
and you agree to instruct such third party to maintain the confidentiality of
this Agreement and Release.

      18. The parties agree that this Agreement and Release shall be binding
upon their successors and assignees. Each represents that it has not transferred
to any person or entity any of the rights released or transferred through this
Agreement.

      19. If a court of competent jurisdiction declares or determines that any
provision of this Agreement is invalid, illegal or unenforceable, the invalid,
illegal or unenforceable provision(s) shall be deemed not a part of this
Agreement, but the remaining provisions shall continue in full force and effect.

      20. Each party, upon breach of this Agreement by the other, shall have the
right to seek all necessary and proper relief, including, but not limited to,
specific performance, from a court of competent jurisdiction and the party
prevailing in such a suit shall be entitled to recover reasonable costs and
attorney fees.

      21. We agree that any differences, disputes or controversies between us
arising from this Agreement and Release, and rights or obligations hereunder, or
any liabilities asserted or arising from your employment or its termination
shall be exclusively submitted to binding arbitration before an independent and
qualified arbitrator in accordance with the American Arbitration Association and
the National Rules for the Resolution of Employment Disputes then in effect,
without reference to conflict of laws principles. Arbitration shall be the
exclusive forum for any dispute, claim or cause arising hereunder, and the
decision and award by the arbitrator shall be final binding upon and
non-appealable by the parties and may be entered in any state court of
California having jurisdiction. In the event you are the prevailing party in any
such arbitration, the arbitrator shall have the authority to award you your
reasonable attorneys' fees and costs actually incurred; provided, however, that
any such award of fees and costs will be limited to the amount of reasonable
fees and costs actually incurred and which bear a reasonable relation to your
actual recovery. In all other respects, the arbitration shall be subject to the
terms and conditions provided in the Agreement to Arbitrate Disputes and Claims
(if previously executed by you and Asyst), which said terms and conditions are
deemed incorporated in his Agreement and Release in full by this reference, and
made a material part hereof.

      22. Neither you nor Asyst shall be able to recover from the other, for any
claim, cause or action arising hereunder, any incidental, special, consequential
or exemplary damages of any nature, including but not limited to punitive
damages, unless and to the extent any such award of damages is specifically
provided and available to the party as a remedy under the statute asserted as a
basis for the claim and, unless so specifically provided, the arbitration shall
be without authority or

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Tiso, Frederick
May 12, 2004

jurisdiction to award such damages; provided, however, that provisional or
injunctive remedies and relief shall be available as appropriate to each party.

      23. We each, to the fullest extent permitted by law, waive any right or
expectation against the other to trial or adjudication by a jury of any claim,
cause or action arising hereunder, or the rights, duties or liabilities created
hereby.

      24. The laws of the State of California shall govern the construction and
enforcement of this Agreement and Release, and any rights, obligations or
liabilities hereunder.

      25. You certify and confirm that you do not have in your possession, and
that you have returned to Asyst as of termination of your employment, all
devices, records, data, notes, reports, proposals, lists, correspondence,
specifications, drawings, blueprints, sketches, materials equipment, other
documents or property, or reproductions of any aforementioned items belonging to
Asyst.

      26. You also certify and confirm that you have complied during your
employment with all the terms of Asyst's Confidential Information and Inventions
Assignment Agreement signed by you, including the reporting of any inventions
and original works of authorship (as defined therein), conceived or made by you
(solely or jointly with others) covered by that agreement. You further agree
that, in compliance with the Confidential Information and Inventions Assignment
Agreement, you will continue to be required to preserve as confidential all
trade secrets, confidential knowledge, data or other proprietary information
relating to services, clients, products, processes, know-how, designs, formulas,
developmental or experimental work, computer programs, data bases, other
original works of authorship, customer lists, business plans, financial
information or other subject matter pertaining to any business of Asyst or any
of its employees, clients, consultants or licensees.

      27. You further agree that for the six (6) month period from the date of
termination of your employment or consulting relationship with Asyst, you will
not recruit or solicit any employee to leave Asyst for any reason or to accept
employment with any other company, and will not interview or knowingly provide
any input to any third party regarding any such employee.

      28. To accept this Agreement and Release, please sign and date this
Agreement and Release and return the original executed document to Human
Resources, Asyst Technologies, Inc., 48761 Kato Road, Fremont, California 94538,
no later than May 12, 2004. If you do not return a copy of the executed
Agreement and Release by that date, the offer of the benefits described in
Paragraph 8 and elsewhere of this Agreement and Release will be automatically
revoked.

      29. You understand that the provisions of this Agreement and Release set
forth the entire agreement between you and Asyst concerning your employment,
separation benefits and termination of employment, and that this Agreement and
Release replaces any other promises, representations or agreement between you
and Asyst, whether written or oral, concerning such matters. You also understand
that any benefits provided you under this Agreement and Release are offered on a
one-time basis, and are not a part of a funded employee welfare program or
established Asyst practice or policy. Any modification of this Agreement and
Release, or change to the

                                      -6-

<PAGE>

Tiso, Frederick
May 12, 2004

benefits offered hereunder, must be in writing and executed in advance by you
and the Sr. Director, Human Resources for Asyst, or else such notification will
not be binding or effective.

      30. In the event that you breach any of your obligations under this
Agreement and Release or as otherwise imposed by law, Asyst will be entitled to
recover the sums and benefits paid under the Agreement and Release and to obtain
all other relief provided by law or equity.

      31. The parties agree and represent that they have not relied and do not
rely upon any representation or statement regarding the subject matter or effect
of this Agreement and Release made by any other party to this Agreement and
Release or any party's agents, attorneys or representatives.

I, THE UNDERSIGNED, HAVE BEEN ADVISED IN WRITING THAT I HAVE HAD A SUFFICIENT
OPPORTUNITY TO CONSIDER THIS AGREEMENT AND RELEASE AND TO CONSULT WITH AN
ATTORNEY CONCERNING ITS TERMS AND EFFECT PRIOR TO EXECUTING THIS AGREEMENT AND
RELEASE.

I, THE UNDERSIGNED, HAVE READ THIS AGREEMENT AND RELEASE AND UNDERSTAND THAT I
ENTER THIS AGREEMENT AND RELEASE INTENDING TO AND DO WAIVE, SETTLE AND RELEASE
ALL CLAIMS I HAVE OR MIGHT HAVE AGAINST ASYST TO THE FULL EXTENT PERMITTED BY
LAW. I SIGN THIS AGREEMENT AND RELEASE VOLUNTARILY AND KNOWINGLY.

ACKNOWLEDGED, UNDERSTOOD AND AGREED:

Date: 5/12/04
                                   /s/ Frederick Tiso
                                   -----------------
                                   Frederick Tiso

                                   Asyst Technologies, Inc.

Date: 5.19.04                      By: /s/ Dorothy Jones
                                       ----------------------------------------
                                       Dorothy Jones, Sr. Dir., Human Resources

<PAGE>

Tiso, Frederick
May 12, 2004

                                    EXHIBIT A

                               OPTIONS SPREADSHEET

                                      -8-

<PAGE>

EXHIBIT A

ASYST TECHNOLOGIES, INC.            PERSONNEL SUMMARY                PAGE:    1
                                    AS OF 05/03/2004

                                    ID IS EQUAL TO 7138

<TABLE>
<CAPTION>
                                OPTION      OPTION
ID     NUMBER      DATE        PLAN/TYPE    SHARES        PRICE    EXERCISED      VESTED     CANCELLED  UNVESTED    OUTSTANDING
<S>    <C>      <C>            <C>          <C>         <C>        <C>           <C>         <C>        <C>         <C>
7138   005175   04/01/2003      1993/NQ      15,000     $   5.0500     0          15,000         0            0         15,000
       004404   04/05/2002     1993/ISO      24,968     $  16.0200     0          12,484         0       12,484         24,968
       005184   04/01/2003      1993/NQ     100,000     $   5.0500     0          12,500         0       87,500        100,000
       004405   04/05/2002      1993/NQ     125,032     $  16.0200     0          62,516         0       62,516        125,032

       TOTALS                               265,000                    0         102,500         0      162,500        265,000
</TABLE>

<TABLE>
<CAPTION>
                         SCHEDULED    ACCELERATED
                       TO BE VESTED    INCLUDED
ID     EXERCISABLE       07/15/2004    07/15/2004
<S>    <C>             <C>            <C>
7138     15,000            15,000        15,000
         12,484            12,484        18,726
         12,500            25,000        25,000
         62,516            62,516        93,774

TOTALS  102,500           115,000       152,500
</TABLE>

<PAGE>

Tiso, Frederick
May 12, 2004

                                   EXHIBIT B

                             SEPARATION DATE RELEASE
        (TO BE EXECUTED ON OR WITHIN 21-DAYS AFTER THE TERMINATION DATE)

In exchange for the payments and benefits and the other consideration being
provided to me under that certain Severance Agreement and Release of Claims
between me and the Company which I signed on May ______, 2004 (the "AGREEMENT"),
I hereby release, acquit and forever discharge the Company, and each of its
officers, directors, agents, employees, attorneys, shareholders, predecessors,
successors, parents, subsidiaries, assigns and affiliates, of and from any and
all claims, liabilities, causes of action, and obligations of every kind and
nature, in law, equity, or otherwise, known and unknown, arising out of or in
any way related to agreements, events, acts or conduct at any time prior to and
including the date I sign this Separation Date Release (the "RELEASE"). This
release of claims includes, but is not limited to: (a) all such claims and
demands directly or indirectly arising out of or in any way connected with my
employment with the Company or the termination of that employment; (b) all
claims or demands related to salary, bonuses, commissions, stock, stock options,
or any other ownership interests in the Company, vacation pay, fringe benefits,
expense reimbursements, severance pay, or any other form of compensation; (c)
all claims pursuant to any federal, state or local law, statute, or cause of
action of any jurisdiction, including, but not limited to, the federal Civil
Rights Act of 1964 (as amended), the federal Americans with Disabilities Act of
1990, the federal Age Discrimination in Employment Act of 1967 (as amended)
("ADEA"), the California Fair Employment and Housing Act (as amended), tort law,
contract law, wrongful discharge, discrimination, harassment, fraud, defamation,
emotional distress, and breach of the implied covenant of good faith and fair
dealing. Notwithstanding the foregoing, nothing in this paragraph shall be
construed in any way to release any claims I may have under the Agreement or for
workers' compensation or unemployment insurance benefits.

I acknowledge that I am are knowingly and voluntarily waiving and releasing any
rights I may have under the ADEA, and that the consideration given for the
waiver and release herein is in addition to anything of value to which I was
already entitled. I further acknowledge that I have been advised by this
writing, as required by the ADEA, that: (a) my waiver and release do not apply
to any rights or claims that may arise after the date you sign this Release; (b)
I have been advised hereby that I have the right to consult with an attorney
prior to executing this Release; (c) I have been given twenty-one (21) days to
consider this Release (although I may choose to voluntarily execute it earlier);
(d) I have seven (7) days following the execution of this Release to revoke my
agreement to it, and (e) this Release will not be effective until the date upon
which the revocation period has expired, which will be the eighth day after this
Release is signed by me (the "Separation Date Release Effective Date").

In giving the releases set forth above (which include claims which may be
unknown to me at present), I acknowledge having read and understood Section 1542
of the California Civil Code which reads as follows: "A GENERAL RELEASE DOES NOT
EXTEND TO CLAIMS WHICH THE CREDITOR DOES NOT KNOW OR SUSPECT TO EXIST IN HIS
FAVOR AT THE TIME OF EXECUTING THE RELEASE, WHICH IF KNOWN BY HIM MUST HAVE
MATERIALLY AFFECTED HIS SETTLEMENT WITH THE DEBTOR." I hereby expressly waive
and relinquish all rights and benefits under that Section and any law of any
jurisdiction of similar effect with respect to my release of any unknown or
unsuspected claims.

The executed Release, once executed and effective, is deemed incorporated in
full into the Severance Agreement and Release of Claims, made a part thereof and
subject to all terms and conditions therein, and constitutes the complete, final
and exclusive embodiment of the entire agreement between me and the Company with
regard to this subject matter. I have executed this Release without reliance on
any promise or representation, written or oral, other than those expressly
contained in the Agreements.

                                      -9-

<PAGE>

Tiso, Frederick
MAY 12, 2004

I, THE UNDERSIGNED, HAVE BEEN ADVISED IN WRITING THAT I HAVE HAD A SUFFICIENT
OPPORTUNITY TO CONSIDER THIS AGREEMENT AND RELEASE AND TO CONSULT WITH AN
ATTORNEY CONCERNING ITS TERMS AND EFFECT PRIOR TO EXECUTING THIS AGREEMENT AND
RELEASE.

I, THE UNDERSIGNED, HAVE READ THIS AGREEMENT AND RELEASE AND UNDERSTAND THAT I
ENTER THIS AGREEMENT AND RELEASE INTENDING TO AND DO WAIVE, SETTLE AND RELEASE
ALL CLAIMS I HAVE OR MIGHT HAVE AGAINST ASYST TO THE FULL EXTENT PERMITTED BY
LAW. I SIGN THIS AGREEMENT AND RELEASE VOLUNTARILY AND KNOWINGLY.

ACKNOWLEDGED, UNDERSTOOD AND AGREED:

_____________________________________                Date:______________________
FREDERICK TISO

                                      -10-

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