Document:

Prepared by MerrillDirect

EXHIBIT 10.9.1

Modification Agreement

             This Modification Agreement dated
July 25, 2001 by and between Avant! Corporation, a Delaware corporation with
principal offices located at 46871 Bayside Parkway, Fremont, California 94538
(the "Corporation"), and Mr. Gerald C. Hsu (the
"Executive").

             WHEREAS, the Executive has been
Chairman of the Board, President and Chief Executive Officer of the Corporation
since 1994 and, in such capacities, has been instrumental in making the
Corporation a leader in the electronic design automation (the "EDA")
industry, growing the Corporation from a business with approximately  $1.6 million of revenues and a net loss of
approximately $5.0 million in 1993 to approximately $358.1 million of revenues
and $52.9 million of net income in 2000, and with a substantial increase in
profit margins during such period, all of which has contributed to the creation
of substantial stockholder value;

             WHEREAS, Executive currently is
party to an Amended and Restated Employment Agreement dated as of August 24,
2000 (the "Employment Agreement") (capitalized terms used herein,
which are not expressly defined herein, shall have the meaning given to them in
the Employment Agreement);

             WHEREAS, Executive has recently
suffered a heart attack and his physicians have recommended that Executive
significantly reduce his work responsibilities in order to improve his
prospects for a full recovery and avoid further risks to his health;

             WHEREAS, based on these recommendations,
Executive has advised the Corporation's Board of Directors that he wishes to
become less actively involved in the day-to-day operations of the Corporation
and to focus his efforts more on the strategic direction of the Corporation
and, in connection therewith, has advised the Board that he wishes to
relinquish his positions as President and Chief Executive Officer of the
Corporation;

             WHEREAS, the Board acknowledged that, largely
through the efforts of the Executive, the Corporation has developed a pool of
talented executives who are capable of fulfilling many of the responsibilities
he has performed for the Corporation;

             WHEREAS, Executive has agreed, at
the Board's request, to remain as Chairman of the Board and assume the position
of Chief Strategist of the Corporation, and the Board believes that it will
benefit greatly from his continued participation in these roles;

             WHEREAS, in connection with the
change in Executive's position with the Corporation and in recognition of
Executive's willingness to acknowledge that such change in position will not be
deemed a Voluntary Retirement, as defined in the Employment Agreement, that
would otherwise trigger certain immediate payments and benefits to Executive,
the Executive and the Corporation have agreed to modify in certain respects the
terms and conditions on which the Executive will continue to be employed by the
Corporation from that currently in the Employment Agreement, and the purpose of
this Agreement is to memorialize such modifications.

             NOW, THEREFORE, in consideration of
the foregoing premises and other good and valuable consideration, the receipt
of which is hereby acknowledged, the parties hereto agree as follows:

             1.          Changes
in Position and Responsibilities.

             (a)         Effective
as of July 25, 2001, (the "Effective Date") Executive will no longer
serve as President and Chief Executive Officer of the Corporation.  He will continue to serve as Chairman of the
Board and will assume the position of Chief Strategist and will remain as an
employee of the Corporation.  In those
capacities, he will be primarily responsible for (i) conducting strategic
research and establishing the strategic direction and objectives of the
Corporation, (ii) the assessment and management of investments and other
financial and corporate transactions, (iii) the continued training of selected
senior executives and motivation of employees, (iv) assisting in the
maintenance of relationships with certain significant customers, financial
contacts, investors and community organizations, (v) assist in the design and
implementation, with other members of the Board of Directors and senior
executives, of corporate governance procedures, policies and processes, (vi)
charity and donation programs (including but not limited to Avant! Foundation
and Green Spot Foundation) and (vii) reinforcing the Corporation's culture,
attitude, behavior, and style.

             (b)        The
Corporation acknowledges and agrees that the Executive will be entitled to
devote only such portion of his business time and effort as he, in his sole
discretion (which discretion shall be exercised in good faith), deems necessary
to perform his duties as Chairman of the Board and Chief Strategist, and that
the Executive will have the full freedom and right to pursue any business
activity (profit or non-profit) other than business activities in the EDA
industry for any person or entity other than the Corporation (or any person or
entity designated by the Corporation).

             2.          Modification
of Compensation.

             (a)         For
the period from the Effective Date through December 31, 2001, the Executive
will continue to receive his Minimum Salary (currently payable at the rate of
$1,600,000 per year).

             (b)        For
the year ended December 31, 2001, the Executive will receive (i) a guaranteed
bonus of $1,500,000, which amount has been determined based on (A) the
Corporation having revenue and operating income (which are the measures used
for determining Executive's bonus in 2001) for the first six months of 2001
that will equal or exceed the respective budgeted amounts for that period, and
(B) the amount of the full bonus for 2001 that Executive would have earned
(i.e., $3,000,000) had Executive remained as Chief Executive Officer through
all of 2001 and the Corporation achieves the budgeted revenue and operating
income figures for the full year; and (ii) an additional amount based on the
extent to which the Corporation achieves its revenue and operating income
targets included in the Corporation's budget for the last six months of 2001,
as calculated in accordance with the following sentence.  The amount payable pursuant to (ii) shall be
determined by adding the percentages of budgeted revenues and operating income
for the last six months of 2001 which are represented by the actual revenues
and operating income, respectively, for that period, dividing that sum by 2,
and then multiplying that percentage by $750,000.  By way of example, if the actual revenue for the last six months
of 2001 is 100% of the budgeted revenue for that period, and operating income
for the last six months of 2001 is 90% of budgeted operating income, the bonus
for the period will be $712,500 (i.e., 95% times $750,000). The $1,500,000
guaranteed bonus will be paid by no later than August 31, 2001 and the bonus
payable in respect of the last six months will be paid by no later than
February 28, 2002.

             (c)         Commencing
in the year 2002 and continuing in each subsequent year through the end of the
Term, the Minimum Salary will be increased as of January 1st of each
year by 5% over the Minimum Salary in effect on December 31st of the
preceding year.  In addition, during
each of those years, Executive will be entitled to a bonus based on the extent
to which the Corporation achieves its revenue and operating income targets
budgeted for that year, calculated as follows: add the percentages of budgeted revenues
and operating income for the year which are represented by the actual revenues
and operating income, respectively, for that year, dividing that sum by 2, and
then multiplying that percentage by $1,500,000.  The bonus amount for any year shall be paid no later than the 60th
day following the end of that year.

             3.          Failure
to be Elected, or Removal, as a Director of the Corporation or Chairman of the
Board.  The Corporation acknowledges
and agrees that if, at any time during the Term, Executive is not reelected as
a director of the Corporation or is removed as a director of the Corporation
without his consent, or is not reappointed as Chairman of the Board or is
removed as Chairman of the Board without his consent, such action will
constitute a termination of employment of Executive without Cause under the
Employment Agreement, and will entitle him to all the rights and obligations
that are granted Executive under the Employment Agreement in the event of a
termination of employment without Cause.

             4.          Office
Space and Support Staff.  The
Corporation will furnish office space and support staff to Executive in
connection with Executive's performance of his services as Chairman of the
Board and Chief Strategist on terms and conditions to be agreed upon.

             5.          Not
a Termination of Employment.  The
parties acknowledge and agree that the changes to the Employment Agreement
effected hereby will not constitute a Voluntary Retirement on the part of
Executive or any other termination of employment within the meaning or usage of
such terms in the Employment Agreement.

             6.          Continuing
Effect of Employment Agreement. 
Except as expressly modified herein, the Employment Agreement will
continue in full force and effect from and after the date hereof, and nothing
herein shall be construed to modify any rights or obligations of the parties
under the Employment Agreement prior to the date hereof.

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

 

	AVANT! CORPORATION	 
	 	 	 	 
	By:	/s/ Dan Taylor	 	By:	/s/ Toyohiko Muraki	 
	

	 	

	 
	Dan Taylor	 	Toyohiko Muraki	 
	Compensation Committee	 	Compensation Committee	 
	 	 	 	 
	 	 	 	 
	/s/ Gerald C. Hsu	 	 	 
	

	 	 	 
	Gerald C. HsuPrepared by MerrillDirect

EXHIBIT 10.13

EMPLOYMENT
AGREEMENT

                This EMPLOYMENT AGREEMENT is
made as of the 1st day of October 2000 by and between and Paul Sheng-Chun Lo
(the "Employee") and Avant! Company, a Delaware corporation (the
"Company"). This Agreement restates and supersedes all previous
Employment Agreements or Severance Agreements between the Employee and the
Company.

WITNESSETH:

                WHEREAS, the Employee has been
and is now in the employment of the Company; and

                WHEREAS, the Company has
concluded that securing the service of the Employee will benefit it.

                NOW, THEREFORE, in consideration
of the premises and the mutual promises and agreements hereinafter set forth,
the parties therefore agree as follows:

1.  TERM OF EMPLOYMENT

(A)  Basic Rules.  The Company
hereby employs the Employee, and the Employee hereby accepts such employment
with the Company from the date of this Agreement until the date when the
Employee's employment terminates pursuant to subsection (b) below. The Employee
shall subject to his appointment as such from time to time (the
"Term") serve during the Term in the Company and its subsidiaries or
affiliates. During the Term, the Employee will devote his best efforts to such
employment and all of his business time and attention to the performance of his
duties hereunder; provided, however, that the Employee may devote reasonable
periods required for serving as a director or member of any Company,
partnership, trust or other entity ("Entity") organization involving
no conflict of interest with the interests of the Company or his personal
affairs so long as the same does not interfere with the performance of his
duties hereunder.

(B)  Termination of Employment.  The Company may
terminate the Employee's employment at any time and for any reason by giving
the Employee 30 days' advance notice in writing. The Employee may resign his
employment by giving the Company 30 days' advance notice in writing. The
Employee's employment shall be terminated automatically in the event of his
death.

(C)  Termination of Agreement.  This Agreement
shall be renewed automatically for successive periods of three (3) years unless
the Company notifies the Employees) of its intention not to renew at least 1
month prior to the expiration of this agreement. This Agreement shall also be
terminated when all obligations of the parties hereunder have been satisfied.

(D)  Compensation (Salary and Cash
Bonus).  The Company shall pay
to the Employee, not less frequently than monthly; an annual base salary (the
"Minimum Salary") as fixed from time to time by the Company during
the Term of his employment hereunder. The Minimum Salary is USD $310,000 as of
October 1, 2000.  The Company may
increase the Minimum Salary from time to time and upon each such increase the term
"Minimum Salary" shall mean such increased total amount. References
to the Minimum Salary in this Agreement are to the Minimum Salary, as adjusted,
in the year in which the event requiring such reference occurs. In addition to
the Minimum Salary, the Employee shall be entitled to receive during the Term
an annual cash bonus based on the performance of the Company and the Employee.
The actual amount of any such annual cash bonus to be paid to the Employee will
be determined by the Company. Payment of any bonus compensation in this Section
shall be made within 60 days after such determination.

(E)  Expenses, Benefit Plans, and
Pay–time–off.  The Company will
reimburse the Employee for all reasonable and necessary business and
entertainment expenses incurred by him in connection with the performance of
his duties hereunder.

The Employee
shall be eligible to participate in any employee benefit programs, pension,
profit sharing, stock option or similar plan or program and in any group life
insurance, hospitalization, mental, dental, accident, disability or similar
plan or program of the Company non–existing or establishes hereafter. In
addition, so long as the Company employs the Employee, the Employee shall be
entitled to receive other benefits – generally available to all employees
and any other, which are now or may hereafter be placed in effect.

The Employee
shall be entitled to pay–time–off (the "PTO"), at such
times and for such periods, as are in accordance with the policies of the
Company then in effect for all employees employed by the Company, but in no
event shall the Employee be entitled to fewer than 80 hours of PTO per year.
The Employee shall not be required to take any PTO to which he is entitled in a
given year. In the event the Employee does not take all of the PTO to which he
is entitled in a given year, such PTO will be deferred and accumulated for use
by the Employee in a subsequent year up to a maximum of 240 hours.

 

2.  RIGHTS UPON CERTAIN TERMINATIONS

(A)  Employee's Rights.  Unless
otherwise defined in this section, each capitalized tern used in this Agreement
shall have the meaning assigned to it in the Company's 1995 & 2000 Stock Option/Stock Issuance Plan in effect on
the date of this Agreement (the "Plan"). Without limiting any other
rights which the Employee or the Company may have in such event, upon any
voluntary resignation or involuntary termination of the Employee's employment
without Employee's written consent (including but not limited to a Constructive Termination as defined below)
that occurs within six months after a Change in Control (as defined below), and subject to Section 7 below, the Company
shall:

	 	(a)	pay
  to the Employee cash termination payment equal to three (3) years (the "Termination Payment Period")
  of the Employee's Minimum Salary in effect on the date of termination, in
  addition to any other payments, benefits, or other rights to which the
  Employee may then be entitled. The Company shall pay the above–mentioned
  payment amount in this Section 2.A.a to the Employee in full on the
  Termination Date;
	 	(b)	allow
  the Employee to automatically vest in full of the shares of Common Stock then
  subject to any option granted by the Company to the Employee and then
  outstanding (including but not limited to any such option drat may hereafter
  be granted to Employee, under the Plan or otherwise) but not otherwise
  vested; and all outstanding repurchase rights applicable to any Common Stock
  previously issued to the Employee by the Company (including any Common Stock
  hereafter issued which is then held by Employee) shall also terminate
  automatically. If any provisions of the preceding sentence regarding
  acceleration of options or early termination of repurchase rights shall
  conflict with any provision of any existing or future option agreement, stock
  purchase agreement or other agreement between the Employee and the Company,
  the provisions of the preceding sentence in this Agreement shall govern if
  they are more favorable to the Employee under the circumstances than the
  conflicting provisions in such other agreements, unless such other agreements
  expressly refers to the preceding sentence and states that it is intended to
  govern in the event of such a conflict with such sentence.

(B)  Change in Control.  For all
purposes under this Agreement, "Change in Control" shall mean the
occurrence of any of the following events after the date of this Agreement:

	 	(a)	The
  consummation of a merger or consolidation of the Company with or into another
  entity or any other corporate reorganization, if more than 50% of the
  combined voting power of the continuing or surviving entity's securities
  outstanding immediately after such merger, consolidation or other
  reorganization is owned by persons who were not stockholders of the Company
  immediately prior to such merger, consolidation or other reorganization;
	 	 	 
	 	(b)	The
  sale, transfer, exchange or other disposition of all or substantially all of
  the Company's assets;
	 	 	 
	 	(c)	A
  change in the composition of the Company's Board of Directors (the
  "Board") as a result of which fewer than a majority of the
  directors are directors who either (A) had been directors of the Company of
  the date 12 months prior to the date of the event that may constitute a
  Change in Control (the " original directors") or (B) were elected,
  or nominated for election, to the Board with the affirmative votes of at
  least a majority of the aggregate of the original directors who were still in
  office at the time of the election or nomination and the directors whose
  election or nomination was previously so approved;
	 	 	 
	 	(d)	Any
  transaction as a result of which any person is the "beneficial
  owner" (as defined in rule 13(d)–3 under the Securities Exchange
  Act of 1934, as amended – the "Exchange Act"), directly or
  indirectly, of securities of the Company representing at least 50% of the
  total voting power represented by the Company's then outstanding voting
  securities. For purpose of this subsection (d), the terse "person"
  shall have the same meaning as when used in sections 13(d) and 14(d) of the
  Exchange Act but shall exclude (A) a trustee or other fiduciary holding
  securities under an employee benefit plan of the Company or of a parent or
  subsidiary of the Company and (B) a corporation owned directly or indirectly
  by the stockholders of the Company in substantially the same proportions as
  their ownership of the common stock of the Company; or
	 	 	 
	 	(e)	In
  the event of Gerald C. Hsu ceases to be the Chairman and CEO of the Company.
	 	 	 

A
transaction shall in no event constitute a Change in Control if its sole
purpose is to change the state of the Company's incorporation or to create a
holding company that will be owned in substantially the same proportions by the
persons who held the Company's securities immediately before such transaction.

(C)  Constructive
Termination.  For all purposes under
this Agreement, "Constructive Termination" shall be deemed to have
occurred, within six months after a Change in Control, that on written notice
by the Employee to the Company, upon:

(a)
the Employee's voluntary resignation within six (6) months after a Change in
Control;

(b) any refusal by the Employee to relocate the Employee's principal place of
employment to a location requested by the Company that is more than fifty (50)
miles from the Employee's current principal place of employment;

 

	 	(c)
  a reduction by more than fifteen percent (l5%) in the Employee's level of
  compensation including his Minimum Salary, non–stock–related
  fringe benefits, and cash bonus (to the extent that any reduction in bonus is
  disproportionate to a reduction in the Company's earnings per share between
  (i) the period for which the reduced bonus is paid, and (ii) the period for
  which the Employee's most recent prior bonus was paid);
	 	(d)
  any material adverse change in the Employee's position, title, job
  responsibilities, or reporting lines; or any activity by the Company that
  constitutes constructive termination of employment under applicable law.
  Without limiting the events which may constitute a material adverse change in
  the Employee's position, title, job responsibilities, or reporting lines
  under this definition, such a material adverse change shall conclusively be
  deemed to have occurred upon any material diminution or other material
  adverse of Company employees reporting to the Employee at the time of a
  Change in Control, or in the extent or nature of the Employee's authority
  with respect to such function or responsibilities or the employees who
  perform them.

For all
purposes under this Agreement, all of the compensation, cash bonus and other
relevant benefits provided on this Agreement shall be in no event applied to
the Employee(s) who maliciously takes advantage of the bona fide goodwill of
the Company–not only acquire(s) the above–mentioned compensation,
bonus, and benefits but also return(s) to work for Avant' after the Change in
Control with or without any cause.

3.  COVENANT NOT TO COMPETE

(A)  Non–Competition.  For the purpose
of this Section 3, a company, entity, or person shall be deemed in competition
with the Company, if any company, entity, or person engages in the electronic
design automation (the "EDA") industry or, to the knowledge of the
Employee, has definitive plans to engage in the EDA industry. The parties
confirm that it is reasonably necessary for the protection of the Company that
the Employee agree, and accordingly, the Employee does hereby agree that he
will not, directly or indirectly, except for the benefit of the Company, at any
time during his employment hereunder and thereafter during the Restricted Period, as hereinafter
defined, from the date of termination of this Agreement provided the Company
shall duly perform its obligations to the Employee pursuant to this Agreement:

	 	(i)
  Become an officer, director, partner, associate, employee, owner, agent,
  creditor, independent contractor, or otherwise, or be interested in or
  associated with any other EDA company, firm or business engaged, in any
  geographical area in which the Company is engaged, in making or selling one
  or more EDA products competitive with a product or products made or sold by Company
  now or during the term of this Agreement. However, after obtaining the prior
  approval from the Company, the Employee may devote reasonable periods
  required for serving as a director or member of any Company, partnership,
  trust or other entity ("Entity") organization involving no conflict
  of interest with the interests of the Company or his personal affairs so long
  as the same does not interfere with the performance of his duties hereunder;
	 	 
	 	(ii)
  Solicit, cause or authorize, directly or indirectly, to be solicited for or
  on behalf of himself or third parties, from parties who were customers of the
  Company in the EDA industry at any time within six (6) months prior to the
  cessation of his employment hereunder, any business competitive to the business
  transacted by the Company with such customers in the EDA industry;
	 	 
	 	(iii)
  Accept or cause or authorize, directly or indirectly, to be accepted for or
  on behalf of himself or third parties, any such business in the EDA industry
  from any such customers of the Company as defined in the preceding
  subsection;

(B)  Restricted Period.  The tern
"Restricted Period" as used in this Section 3 shall mean the
Termination Payment Period of the cash termination payment as a consequence of
Constructive Termination due to a Change in Control, which the Employee is
entitled to receive pursuant to the provisions of Section 2 hereof.

(C)  Others.  This Section 3
shall survive the termination of the Employees employment hereunder for the
period provided in paragraph (B).

The Employee
further agrees that any breach or threatened breach by him of any provisions of
this Section 3 shall entitle the Company, in addition to any other legal or
equitable remedies available to it, to apply to any court of competent
jurisdiction to enjoin such breach or threatened breach.

Notwithstanding
anything in this Agreement to the contrary, if the Employee violates any of the
provisions of paragraph (a) hereof during the Restricted Period and fails to
cease such violation and to remedy the consequences of such violation within
ninety (90) days after notice from the Company specifying such violation and if
the Company obtains a final judgment from a court of competent jurisdiction to
the effect that the Employee has violated a provision of paragraph (a) and has
failed to cease such violation and to remedy the consequences of such violation
within ninety (90) days after notice from the Company, all obligations of the
Company to compensate the Employee and to forgive indebtedness, if any, of the
Employee to the Company shall cease, and the Company shall be entitled to
recover from the Employee compensation received by the Employee and any
indebtedness forgiven while such violation existed.

(D)  Special Non–Competition
Cash Payment.  The Company recognizes
that a Change in Control Termination will subject the Employee to losses and
damages, the amount of which might not readily be determined, and that there
exist only a limited number of employment opportunities comparable in statue,
compensation and opportunity to employment as an Employee of the Company.
Therefore, the Employee shall not be required to seek or accept employment in
mitigation of any obligations of the Company arising by reason of his
Constructive Termination due to a Change in Control. In consideration of the
Employee's special services and the Employee's agreement to not compete in the
EDA industry during the Restricted Period after the date of termination of his
employment, hereunder the Company agrees to pay the Employee a lump sum of USD
$2 Million dollars, payable within 30 days after the termination of his
employment.

4.  MUTUAL RELEASES AFTER TERMINATION OF EMPLOYMENT

Upon the
termination of the Employee's employment, the Company and the Employee agree
that in consideration for the Employee's services, the Company shall execute a
general release, in form and substance, satisfactory to the Employee's counsel,
that releases and forever discharges the Employee, his heirs, successors and
assigns, from any and all actions, causes of actions, claims, or demands for
general, special or punitive damages, attorney's fees, expenses, or other
compensation, which in any way relate to or arise out of the Employee's
employment with the Company or any of its subsidiaries.

5.  INDEMNIFICATION

To the fullest
extent not inconsistent with applicable law, in the event that the Employee is
a party or is threatened to be made a party to any threatened, pending or
completed action, suit or proceeding, whether civil, criminal, administrative
or investigative, by reason of the fact that he is or was a director, officer,
consultant, employee or agent of the Company or any of its subsidiaries, or is
or was serving at the request of the Company as a director, officer,
consultant, employee or agent of another Company, partnership, joint venture,
trust or other enterprise, the Company shall indemnify the Employee and hold
him harmless, against all expenses (including costs and attorneys' fees),
judgments, fines and amounts paid in settlement actually and reasonably
incurred by his in connection with such action, suit or proceeding if he acted
in good faith and in a manner he reasonably believed to be in or not opposed to
the best interests of the Company, and, with respect to any criminal action or
proceeding, had no reasonable cause to believe his conduct was unlawful. The
termination of any action, suit or proceeding by judgment, order, settlement,
conviction, or upon a plea of nolo contendere or its equivalent, shall not, of
itself, create a presumption that the Employee did not act in good faith and in
a manner which he reasonably believed to be in or not opposed to the best
interest of the Company, or that, with respect to any criminal action or
proceeding, the Employee had reasonable cause to believe that his conduct was
unlawful. The provisions of this Section 5 shall not be deemed exclusive of any
other rights of indemnification to which the Employee maybe entitled or which
may be granted to him, and it shall be in addition to any rights of
indemnification to which he may be entitled under any policy of insurance. The
provisions of this Section 5 shall continue in effect after the Employee has
ceased to be an officer, employee or agent of the Company, shall inure to the
benefit of the Employee's heirs, executors, administrators and in testate
distributes and shall survive the termination of this Agreement under all
circumstances.

	 	All
  litigation or inquiries by third parties (for example, but not limited to,
  those by shareholders –direct or derivative – or government
  agencies) arising out of or in connection with this Agreement or the
  Employee's performance hereunder, against either the Company or the Employee
  or both, shall be defended or opposed by the parties hereto, as the case may
  be, to support this Agreement, and the costs, fees and expenses thereof,
  including fees of counsel for the parties, shall be home by the Company.
	 	 
	 	Notwithstanding
  the foregoing provisions of this Section 5, during the term of the Employee's
  employment hereunder and during such time he continues as an officer, the
  Company agrees to maintain substantially the same Officers' liability
  insurance in place on the date hereof and shall increase such coverage in the
  event the Employee determines that it is in the best interest of the Company
  to have such increased coverage.

6.  CONFIDENTIAL INFORMATION

The Employee
recognizes that as an Employee of the Company he has had and will have access
to secret and confidential information regarding the Company, its products,
customers and plans relating to the EDA industry. The Employee acknowledges
that such information is of great value to the Company, and is the sole
property of the Company and that such information has been and will be acquired
by his in confidence. In consideration of the obligations undertaken by the
Company as set forth herein, the Employee will not, at any time, during or for
a period of one year after his employment of the Company hereunder, reveal,
divulge or make known, except as authorized by the Company or required on its
behalf or required pursuant to legal or administrative processes, any
information of a confidential nature concerning the Company's business
involving the EDA industry acquired by the Employee during the course of his
employment to any competitor to the Company in the EDA industry.

7.  MISCELLANEOUS PROVISIONS

(A)  No right to Employment.  Notwithstanding
this Agreement, either party may terminate the Employee's employment at any
time and for any reason, or for no reason upon written notice to the other
party; provided, however, that any Change in Control Termination shall be
subject to all of the consequences described in sections 2 and 3 above.

(B)  Notice.  Notices and all
other communications contemplated by this Agreement shall be in writing and shall
be deemed to have been duly given when personally delivered or when mailed by
U.S. registered mail, return receipt requested and postage personally delivered
or when the Employee, mailed notices shall be addressed to the Employee at the
home address shown below on this Agreement or at the home address which the
Employee most recently communicated to the Company in writing. In the case of
the Company, mailed notices shall be addressed to its corporate headquarters,
and all notices shall be addressed to the attention of its Secretary.

(C)  Waiver.  No provision of this
Agreement shall be modified, waived or discharged unless the modification,
waiver or discharge is agreed to in writing and signed by the Employee and by
an authorized officer of the Company (other than the Employee). No waiver by
either party of any breach of, or of compliance with, any condition or
provision of his Agreement by the other party shall be considered a waiver of
any other condition or provision or of the same condition or provision at another time.

(D)  WholeAgreement;
Modifications.  No agreements, representations or
understanding (whether oral or written and whether express or implied) which
are not expressly set forth in this Agreement have been made or entered into by
either part with respect to the subject matter hereof. This Agreement contains
the entire understanding of the parties with respect to the subject matter
hereof. A modification of this Agreement shall be valid only if it is made in
writing and executed by both parties hereto.

(E)  Withholding Taxes.  All payments made under this Agreement shall be
subject to reduction to reflect taxes or other charges required to be withheld
by law.

(F)  Choice of Law.  The validity, interpretation, construction, and
performance of this Agreement shall be governed by the laws of the State of
California (except their provisions governing the choice of law).

(G)  Severability.  The invalidity or unenforceability of any
provision or provisions of this Agreement shall not affect the validity or
enforceability of any other provision hereof, which shall remain in full force
and effect.

(H)  Company's Successors.  This Agreement shall be binding upon any
successor (whether direct or indirect and whether by purchase lease, merger,
consolidation, liquidation or otherwise) to all or substantially all of the
Company's business and/or assets. For all purposes under this Agreement, the
term "Company" shall include any successor to the Company's business
and/or assets, which become bound by this Agreement.

(I)  Employee's Successors.  This Agreement and all right of the Employee
hereunder shall inure to the benefit of, and be enforceable by, the Employee's
personal of legal representatives, executors, heirs, distributes, devisees, and
legatees.

(J)  No Assignment.  The rights of any person to payments or benefits
under this Agreement shall not be made subject to option or assignment, either
by voluntary or involuntary assignment or by operation of law, including
(without imitation) bankruptcy, garnishment, attachment, or other creditor's
process, and any action in violation of this paragraph shall be void.

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

(L)  Confidentiality.  The Employee agrees that the Employee will not
disclose the existence or the terms of this Agreement to anyone other than the
Employee's spouse, tax advisor, or legal advisor. In the event the Employee
breaches this confidentiality obligation, the Company may immediately terminate
this Agreement.

(M)  Arbitration.  Any controversy or claim between the Company and
Employee, their representatives, heirs, successors and assigns, arising out of
or relating to this Agreement or any breach or asserted breach hereof or
questioning the validity and binding effect hereof shall be determined by
arbitration conducted in San Francisco in accordance with the Rules of the
American Arbitration Association then obtaining, and judgment upon any award
rendered may be entered in any court having jurisdiction thereof. The decision
of the arbitrators shall be final and binding upon the parties hereto. All of
the Employee's costs and expenses (including attorneys, fees) arising out of or
in connection with any matters submitted to arbitration pursuant to this
subsection shall be paid by the Company, unless the award of the arbitrators
shall explicitly find that the Employee's claim or his defense against a claim
by the Company was frivolous and completely without merit, in which case the
Employee shall pay the costs and expenses (including, without limitation,
reasonable attorneys, fees) incurred by the Company in such connection.

(N)  Section Headings.  The headings or titles of the sections of this
Agreement are not a part of this Agreement and are not intended to aid in the
construction of any provision thereof.

IN WITNESS WHEREOF,
each of the parties has executed this Agreement, in the case of the Company, by
its duly authorized officer, as of the day and year first above written.

 

 

	/s/
  Paul Sheng-Chun Lo
	

	Signature
  Of the Employee
	 
	Paul
  Sheng-Chun Lo
	

	Printed
  name of the Employee
	 
	10/1/2000
	

	Date
  of Signature
	 
	435
  Sheridan Ave. # 101
	

	Palo
  Alto, CA 94306
	

	The
  Employee’s mailing address
	 
	 
	 
	 
	AVANT!
  CORPORATION
	 
	 
	/s/
  Gerald C. Hsu
	

	Gerald
  C. Hsu
	  Chairman, Chief Executive Officer, &
  President
	 
	 
	10/1/00
	

	Date
  of Signature

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