Document:

exv10w1

EXHIBIT 10.1

CONSULTING AGREEMENT

     This Consulting Agreement (the “Agreement”) is effective February 2, 2010, by and between
Princeton National Bancorp, Inc., (the “Company”), and Tony J. Sorcic (the “Consultant”):

RECITALS:

     WHEREAS, the Company and the Consultant desire to set forth their respective rights and
obligations in connection with the certain consulting services of the Consultant;

     NOW THEREFORE, in consideration of the premises and of the mutual covenants, agreements and
understandings contained herein, the parties hereto agree as follows:

AGREEMENT:

     1. Retention. The Company agrees to retain the Consultant during the Term (as such term is
hereinafter defined in Section 4 below) and the Consultant hereby accepts such engagement by the
Company, subject to the terms and conditions hereinafter set forth herein. This Agreement
establishes the terms of Consultant’s retention and any payment(s) to which the Consultant is
entitled during the Term. The Company and the Consultant retain the right to terminate this
Agreement for the reasons described in Section 4 below.

     2. Responsibilities and Duties. Consultant shall continue to serve as the President and Chief
Executive Officer of the Company until February 1, 2010, at which time he desires to retire from
his employment with the Company. During the period from the date hereof through February 1, 2010,
Consultant will continue to be an employee of the Company and shall be employed pursuant to the
Employment Agreement (as hereafter defined in Section 7 below). Consultant agrees that he desires
to participate in the transition to the new President and Chief Executive Officer and hereby
tenders his resignation as an employee and officer of the Company effective as of the end of the
day on February 1, 2010. The Company hereby accepts such resignation, effective as of the end of
the day on February 1, 2010. The Company and Consultant intend that Consultant have a “separation
from service” from the Company within the meaning of Section 409A of the Internal Revenue Code of
1986, as amended, on February 2, 2010. In order to facilitate a smooth and orderly transition
within Company upon Consultant’s retirement, and to assure access to Consultant’s unique and
valuable services, Company desires to retain the services of Consultant as a consultant for a
specified Term, as described in Section 4 below, on the terms and conditions set forth herein.

 

 

     3. Compensation/Consultant Fee. In consideration of the performance of such services by the
Consultant, the Company will pay the Consultant $10,000 per month, payable on the last day of each
month (the “Fee”). In the event this Agreement terminates pursuant to Section 4 prior to July 31,
2010, for the month in which such termination occurs (the “Termination Month”), the Company shall
pay Consultant a pro-rata portion of $10,000 determined by dividing the number of days of the
Termination Month through the termination date divided by the total number of days in such month.

     4. Consulting Term. The period of the Consultant’s retention by the Company under this
Agreement (the “Term”) shall commence on February 2, 2010 and terminate on July 31, 2010, or such
earlier date upon the occurrence of any of the following events:

	 	(A)	 	the death or retirement of the Consultant; or
	 
	 	(B)	 	the Consultant’s Disability. For purposes of this Agreement,
“Disability” shall mean a physical or mental condition of the Consultant that
prevents him from performing the consulting services described above as
determined by the President & CEO and the Board of Directors of the Company;
or
	 
	 	(C)	 	upon a 30 day advance notice by either the Company or the
Consultant or upon a mutual written agreement between the Company and the
Consultant agreeing to an early termination date; or
	 
	 	(D)	 	termination of this Agreement by the President & CEO and
Board of Directors of the Company for “Cause,” which shall mean: (1)
Consultant engages in act(s) or omission(s) constituting dishonesty, willful
misconduct, intentional breach of fiduciary obligation or intentional
wrongdoing or malfeasance, in each case that results in substantial harm to
the business or property of the Company; (2) Consultant is convicted of a
felony; or (3) Consultant substantially non-performs his assigned duties for a
period of thirty (30) days after the Company has given written notice to
Consultant of such non-performance and its intention to terminate this
Agreement because of such non-performance.

In the event this Agreement terminates for any of the reasons set forth in Section 4(A) through
(D), the Consultant shall only be paid the Fee through the date of his death, retirement,
Disability, the date this Agreement is terminated for Cause or the date this Agreement is
terminated upon 30 days advance notice by either party or by mutual written agreement of parties.

     5. Binding Effect; Assignment. The Company may assign this Agreement to any of its affiliates
or their successors or assigns. This Agreement shall be binding upon and shall inure to the benefit
of the Company, its affiliates and their successors and

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assigns. This Agreement shall be binding upon and shall inure to the benefit of the
Consultant. Neither this Agreement nor any right or interest hereunder shall be assignable or
transferable by the Consultant.

     6. Miscellaneous. No provision of this Agreement may be modified, waived or discharged unless
such waiver, modification or discharge is agreed to in writing and signed by the Consultant and the
Company. No agreement or representations, oral or otherwise, express or implied, with respect to
the subject matter hereof have been made by either party, which are not expressly set forth in this
Agreement. Consultant shall have use of an office similar to his current office and administrative
assistance as needed during the Term.

     7. Other Agreements. Effective February 1, 2010, the Employment Agreement dated December 15,
2008 between the Consultant and the Company shall be terminated, except for those provisions that
survive termination, including but not limited to, Section 6(d). Pursuant to Section 7(f) of the
Employment Agreement, all amounts or benefits due the Consultant under the Employment Agreement
shall terminate effective February 2, 2010 with the exception of the Consultant’s rights under
applicable retirement plans and policies of the Company.

     8. Notices. All notices or other communications required or permitted hereunder shall be given
in writing and shall be deemed sufficient if delivered by hand (including by courier), mailed by
registered or certified mail, postage prepaid (return receipt requested), or sent by facsimile
transmission, as follows:

     If to the Consultant:

     To the address on file at the Company

     If to the Company:

     Princeton National Bancorp, Inc.

     Attn: Board of Directors

     606 South Main Street

     Princeton, Illinois 61356

or such other address as shall be furnished in writing by such party, and any such notice or
communication shall be effective and be deemed to have been given as of the date so delivered or,
if mailed upon receipt thereof; provided, however, that any notice or communication changing any of
the addresses set forth above shall be effective and deemed given only upon its receipt.

     9. Severability. If any provision of this Agreement, or any application thereof to any
circumstance, is invalid, in whole or in part, such provision or application shall to that extent
be severable and shall not affect other provisions or applications of this Agreement.

3

 

     10. Governing Law. This Agreement shall be construed in accordance with and governed by the
laws of the State of Illinois, excluding any choice of law rule requiring application of the law or
any other jurisdiction.

     11. Entire Agreement. Except to the extent provided in Section 7 herein, this Agreement sets
forth the entire understanding of the parties hereto with respect to the subject matter hereof and
supersedes all prior and contemporaneous agreements, written or oral, between them as to such
subject matter.

     12. Headings. The headings contained herein are solely for the purpose of reference, are not
part of this Agreement and shall not in any way affect the meaning or interpretation of this
Agreement.

     IN WITNESS WHEREOF, the parties have caused this Agreement to be duly executed as of the 18th
day of December, 2009.

	 	 	 	 	 
	 	PRINCETON NATIONAL BANCORP, INC.

 	 
	 	By:  	/s/ Craig O. Wesner
 	 
	 	 	Craig O. Wesner, 	 
	 	 	Chairman of the Board of Directors 	 

	 	 	 	 
	 	 	 
	 	                  /s/ Tony J. Sorcic
 	 
	 	Tony J. Sorcic, Consultant 	 

4exv10w2

Exhibit 10.2

Confidential
materials omitted and filed separately with the Securities and
Exchanges Commission*

 

ASSET PURCHASE AGREEMENT

by and between

INFINEON TECHNOLOGIES AG

as Seller

and

WIRELINE HOLDING S.À R.L.

as Buyer

dated as of 7 July, 2009

 

Infineon Technologies AG Confidential

*
Asterisks denote omissions

 

 

TABLE OF CONTENTS

	 	 	 
	 	 	Page
	1. Definitions 
	 	2
	1.1 Defined Terms 
	 	2
	1.2 Additional Defined Terms 
	 	11
	1.3 Other Definitional and Interpretive Matters 
	 	13
	 
	 	 
	2. Sale and Purchase of Contracts, Assets and Liabilities 
	 	15
	2.1 Sale and Purchase of Contracts 
	 	15
	2.2 Sale and Purchase of Assets 
	 	19
	2.3 Sale and Purchase of Liabilities 
	 	22
	2.4 Proprietary Information 
	 	24
	2.5 Purchase Price 
	 	24
	2.6 Taxes 
	 	30
	2.7 Buyer Designee 
	 	31
	2.8 Insurance; Governmental Permits 
	 	32
	 
	 	 
	3. Representations and Warranties of Seller 
	 	32
	3.1 Organization and Qualification 
	 	33
	3.2 Subsidiaries 
	 	33
	3.3 Authorization; Binding Effect 
	 	33
	3.4 Non-Contravention 
	 	34
	3.5 Purchased Fixed Assets 
	 	34
	3.6 Governmental Permits 
	 	35
	3.7 Premises 
	 	35
	3.8 Litigation 
	 	36
	3.9 Business Employees 
	 	36
	3.10 Purchased Contracts 
	 	38
	3.11 Absence of Certain Changes 
	 	39
	3.12 Intellectual Property 
	 	40
	3.13 Customers 
	 	42
	3.14 [RESERVED.] 
	 	42
	3.15 Taxes 
	 	42
	3.16 Brokers’ Fees 
	 	42
	3.20 Financial Statements 
	 	44
	3.22 No Other Representations or Warranties 
	 	45
	 
	 	 
	4. Representations and Warranties of Buyer 
	 	46
	4.1 Organization and Qualification 
	 	46
	4.2 Authorization; Binding Effect 
	 	46
	4.3 Non-Contravention 
	 	46
	4.4 Brokers 
	 	47
	4.5 No Inducement or Reliance; Independent Assessment 
	 	47
	4.6 Sufficiency of Funds 
	 	48
	4.7 No Other Representations or Warranties 
	 	48

Infineon Technologies AG Confidential

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	 	 	Page
	5. Certain Pre-Closing Covenants 
	 	48
	5.1 Access to Information 
	 	48
	5.2 Conduct of the Wireline Communications Business 
	 	49
	5.3 Tax Reporting; Allocation of Consideration 
	 	50
	5.4 Business Employees 
	 	51
	5.5 Certain Collateral Agreements 
	 	75
	5.6 Regulatory Compliance 
	 	76
	5.7 Contacts with Suppliers and Customers 
	 	77
	5.8 Protection under certain Patent Licenses Agreements 
	 	78
	5.9 [**] Licenses and  [**] Acquisition
	 	78
	 
	 	 
	6. Confidential Nature of Information 
	 	85
	6.1 Accession to Confidentiality Agreement 
	 	85
	6.2 Seller’s Proprietary Information 
	 	85
	6.3 Buyer’s Proprietary Information 
	 	86
	6.4 Confidential Nature of Agreements 
	 	87
	 
	 	 
	7. Closing 
	 	88
	7.1 Closing Date 
	 	88
	7.2 Conditions Precedent to Closing 
	 	88
	7.3 Actions to be taken at Closing 
	 	91
	7.4 Closing Confirmation 
	 	91
	 
	 	 
	8. Remedies; Indemnification 
	 	92
	8.1 Exclusive Remedies 
	 	92
	8.2 General Agreement to Indemnify 
	 	92
	8.3 Procedures for Indemnification 
	 	94
	8.4 Limitations and Refunds 
	 	96
	8.5 Adjustment of Purchase Price, No Set-Off 
	 	99
	 
	 	 
	9. Certain Post-Closing Covenants 
	 	99
	9.1 Access to Information 
	 	99
	9.2 Post Closing Cooperation 
	 	100
	9.3 Use of the Seller Name 
	 	101
	9.6 Non Solicitation 
	 	107
	9.7 Non Compete 
	 	107
	9.8 Distributor Issues 
	 	107
	 
	 	 
	10. Miscellaneous Provisions 
	 	109
	10.1 Notices 
	 	109
	10.2 Expenses 
	 	110
	10.3 Entire Agreement; Modification 
	 	110
	10.4 Assignment; Binding Effect; Severability 
	 	110
	10.5 Governing Law; Arbitration 
	 	111
	10.6 Execution in Counterparts 
	 	112
	10.7 No Third Party Beneficiaries 
	 	112

Infineon Technologies AG Confidential

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	 	 	Page
	11. Termination and Waiver 
	 	113
	11.1 Termination 
	 	113
	11.2 Effect of Termination 
	 	113
	11.3 Waiver of Agreement 
	 	113

Infineon Technologies AG Confidential

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	Schedules:	 	 
	 
	 	 
	Schedule 1.1(a)

	 	Notification Letters
	Schedule 1.1(b)

	 	Product Families and Development Projects
	Schedule 2.1(a)

	 	Purchased Contracts
	Schedule 2.2(a)(i)

	 	Purchased Fixed Assets
	Schedule 2.3(b)

	 	Excluded Liabilities
	Schedule 2.5(b)(i)

	 	List of Certain Purchased Liabilities
	Schedule 2.5(d)

	 	Valuation Principles
	Schedule 2.7

	 	Acquisition Structure
	Schedule 3.2

	 	Subsidiaries
	Schedule 3.5(c)

	 	Fixed Assets Sufficiency
	Schedule 3.6

	 	Certain Governmental Permits
	Schedule 3.7(a)

	 	Premises
	Schedule 3.8

	 	Litigation
	Schedule 3.9(a)-1

	 	Business Employees
	Schedule 3.9(a)-2

	 	Key Employees
	Schedule 3.9(b)

	 	Collective Bargaining Agreements
	Schedule 3.9(c)

	 	Benefit Plans
	Schedule 3.9(d)

	 	Strikes and other Job Actions
	Schedule 3.9(e)

	 	Certain Union Activities
	Schedule 3.10(a)

	 	Purchased Contracts
	Schedule 3.11

	 	Certain Changes
	Schedule 3.12(a)

	 	Restrictions on Ownership in Purchased Intellectual Property
	Schedule 3.12(b)

	 	Intellectual Property
	Schedule 3.12(c)

	 	Potentially Infringing Products
	Schedule 3.12(d)

	 	Restrictions on Validity and Enforceability of Purchased Intellectual Property
	Schedule 3.12(e)

	 	Non-compliance with open source licenses
	Schedule 3.13

	 	Customers
	Schedule 3.15

	 	Delays in Tax Payments
	Schedule 3.18

	 	Defects in Quality of Purchased Inventory
	Schedule 5.2

	 	Conduct of Business Exceptions
	Schedule 5.3(b)

	 	Purchase Price Allocation
	Schedule 5.4(b)(i)

	 	German Employees To Be Transferred By Law
	Schedule 5.4(b)(iv)

	 	Other German Employees
	Schedule 5.4(b)(v)

	 	Reasonable Commitments
	Schedule 5.4(c)(i)

	 	Austrian Employees To Be Transferred By Law
	Schedule 5.4(c)(v)

	 	Other Austrian Employees
	Schedule 5.4(d)(i)

	 	US Business Employees
	Schedule 5.4(d)(ii)

	 	Certain Benefits for US Business Employees
	Schedule 5.4(e)(i)

	 	Singapore Business Employees
	Schedule 5.4(f)(i)

	 	Indian Business Employees
	Schedule 5.4(g)(i)

	 	Taiwanese Business Employees
	Schedule 5.6(c)

	 	Compliance Certificate

Infineon Technologies AG Confidential

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	Schedule 5.8(a)

	 	Potentially Available Cross-Licenses
	Schedule 9.4(a)

	 	Mosaid IP Dispute
	Schedule 9.4(c)(ii)(A)

	 	Pending IP Disputes

	 	 	 
	Exhibits	 	 
	 
	 	 
	Exhibit B

	 	Form of Intellectual Property Agreement
	Exhibit C

	 	Term Sheet for Lease and Sublease Agreements
	Exhibit D

	 	Transitional Assembly and Test Service Agreement
	Exhibit E

	 	Transitional IT Services Agreement
	Exhibit F

	 	Transitional Services Agreement
	Exhibit G

	 	Wafer Supply and Service Agreement
	Exhibit I

	 	Form of German Employee Transfer Notice
	Exhibit J

	 	Form of Tripartite Agreement (Germany)
	Exhibit K-1

	 	Form of Austrian Employee Transfer Notice
	Exhibit K-2

	 	Form of Tripartite Agreement (Austria)
	Exhibit L

	 	Form of Press Release
	Exhibit N

	 	Certain Entities

Infineon Technologies AG Confidential

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ASSET PURCHASE AGREEMENT

     THIS ASSET PURCHASE AGREEMENT (“Agreement”) is made as of July 7, 2009 by and between
INFINEON TECHNOLOGIES AG, a stock corporation (Aktiengesellschaft) under the laws of the Federal
Republic of Germany, with principal place of business at Am Campeon 1-12, 85579 Neubiberg, Germany,
registered with the commercial register (Handelsregister) of the lower court (Amtsgericht) of
Munich under HRB 126492 (“Seller”), and Wireline Holding S.à r.l., a company incorporated
as a société à responsabilité limitée, existing under the laws of the Grand Duchy of Luxembourg,
having its registered office at 412F, Route d’Esch, L-1030 Luxembourg, Grand Duchy of Luxembourg
and whose registration with the Luxembourg Trade and Companies’ register under Section B is pending
(“Buyer”).

R E
C I T A L S

     A. WHEREAS, Seller and the Subsidiaries (as hereinafter defined) are, among other things,
engaged through one of Seller’s business divisions (the “Wireline Communications Division”)
in the Wireline Communications Business (as hereinafter defined);

     B. WHEREAS, the Wireline Communications Business is comprised of certain assets and
liabilities that are currently part of Seller and the Subsidiaries;

     C. WHEREAS, Buyer is a company newly formed by Golden Gate Private Equity, Inc., a corporation
with principal place of business at One Embarcadero Center, San Francisco, CA 94111, USA;

     D. WHEREAS, Seller and the Subsidiaries desire to sell, transfer and assign to Buyer or a
Buyer Designee (as hereinafter defined), and Buyer or a Buyer Designee desires to purchase and
assume from Seller and the Subsidiaries, certain assets, liabilities and

Infineon Technologies AG Confidential

 

 

employees pertaining to the Wireline Communications Business, in each case as more fully
described and upon the terms and subject to the conditions set forth herein; and

     E. WHEREAS, Seller and/or one or more of the Subsidiaries, on the one hand, and Buyer or a
Buyer Designee, on the other hand, desire to enter into each Transfer Agreement, the Intellectual
Property Agreement, each Lease Agreement, each Sublease Agreement, the Transitional Assembly and
Test Service Agreement, the Transitional IT Services Agreement, one or more Transitional Services
Agreements and the Wafer Supply and Service Agreement (each as hereinafter defined, and
collectively, the “Collateral Agreements”).

     NOW, THEREFORE, the parties hereto hereby agree as follows:

1. Definitions

     1.1 Defined Terms

     For the purposes of this Agreement the following words and phrases shall have the following
meanings:

     “Affiliate” of any Person means any Person that controls, is controlled by, or is
under common control with such Person. As used herein, “control” (including the terms
“controlling”, “controlled by” and “under common control with”) means the
possession, directly or indirectly, of the power to direct or cause the direction of the management
and policies of a Person, whether through ownership of voting securities or other interests, by
contract or otherwise. With respect to Seller, the term “Affiliate” shall not include Qimonda AG or
any entity controlled by Qimonda AG.

     “AO” means the German Tax Code (Abgabenordnung), as amended.

     “AVRAG” means the Austrian Employment Contract Adjustment Code
(Arbeits-vertrags-Anpassungsgesetz), as amended.

     “ [**] Acquisition” means the  acquisition of certain assets and certain liabilities of   [**] pertaining to its
[**] (which shall include the  acquisition of its [**] intellectual property or the grant of licences thereto) pursuant to the terms and

Infineon Technologies AG Confidential

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conditions of a
certain asset purchase agreement which may be entered into by Seller or one of its Subsidiaries and
[**].

     “Benefit Plan” means, in respect of any Business Employee, each Pension Plan, Welfare
Plan and employment, bonus, pension, profit sharing, deferred compensation, defined contribution,
incentive compensation, stock ownership, stock option, stock purchase, phantom stock, performance,
retirement, thrift, savings, stock bonus, excess benefit, supplemental unemployment, paid time off,
perquisite, fringe benefit, vacation, sick leave, severance, disability, death benefit,
hospitalization, medical, dental, life insurance, welfare benefit or other plan, program or
arrangement, in each case maintained or contributed to, or required to be maintained or contributed
to, by Seller or the Subsidiaries.

     “BGB” means the German Civil Code (Bürgerliches Gesetzbuch), as amended.

     “Business Day” means a day that is not (i) a Saturday, a Sunday or a statutory holiday
in Munich, Germany, or (ii) a day on which banking institutions in Munich, Germany, or New York,
New York, are generally closed for business.

     “Business Employees” means the employees of Seller or the Subsidiaries pertaining to
the Wireline Communications Business and identified on Schedule 3.9(a).

     “Business Records” means all books, records, ledgers, tangible data, disks, tapes,
other media-storing data and files or other similar information whether in hardcopy or computer
format and whether stored in network facilities or otherwise, in each case to the extent used or
held for use primarily in the operation or conduct of the Wireline Communications Business,
including engineering information and paper notebooks, manuals and data, including databases for
reference designs, product datasheets, sales and purchase correspondence (including price lists,
lists of present and former customers, information concerning customer contacts, purchasing
history, technical characteristics and other information reasonably required for ongoing customer
relationships, lists of present and former suppliers or vendors, mailing lists, warranty
information, catalogs, sales promotion literature, advertising materials, brochures, bids, records
of operation), accounting and financial records, personnel and employment records, standard forms
of documents, manuals of operations or business procedures, designs, research materials and product
testing reports, but excluding any such items only to the extent (i) they contain data entirely
related to, any Excluded Assets or Excluded Liabilities, or (ii) any applicable Law prohibits their
transfer.

     “Buyer Designee” means one or more Affiliates of Buyer identified to Seller in
accordance with Section 2.7 prior to the Closing Date.

     “Closing” means the consummation of the transactions contemplated by this Agreement as
described in Section 7.

Infineon Technologies AG Confidential

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     “Code” means the U.S. Internal Revenue Code of 1986, as amended.

     “Competing Business” means the design, marketing, sale and distribution of

     [**]

     in each case as carried on by the Wireline Communications Division prior to the date hereof,
but excluding, for the avoidance of doubt,

     (1) any power integrated circuits (other than
[**],
discrete semiconductors and any other semiconductor products as carried on by other business
divisions of Seller or its Subsidiaries as of the date hereof, and

     (2) any of Seller’s or its Subsidiaries’ manufacturing and assembly facilities.

     “Confidentiality Agreement” means the non-disclosure and restricted use agreement
between Seller and Golden Gate Private Equity, Inc., dated March 17, 2009.

     “Contract” means any written or oral, express or implied contract, agreement,
obligation, promise, commitment or undertaking that is legally binding and to which Seller or a
Subsidiary is a party.

     “Contract Encumbrance” means any pledge, security interest, trust interest or similar
lien granted to a Third Party with respect to the relevant Contract.

     “Encumbrances” means any lien, charge, encumbrance, hypothecation, equity interest,
preemptive right, security interest, mortgage, pledge, deed of trust, option, right of first
refusal, servitude, easement, conditional sale or other title retention agreement or other similar
restrictions in rem, adverse claims of ownership or use, voting restriction, transfer restriction
or other similar restriction or Third Party right, but shall not include (i) Permitted Encumbrances
or (ii) with respect to Purchased Intellectual Property, licenses granted thereunder.

Infineon Technologies AG Confidential

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     “ERISA” means the US Employee Retirement Income Security Act of 1974, as amended.

     “Euribor” means the European inter-bank offer rates for Euro deposits with interest
periods of one (1) month quoted on the Reuters Page EURIBOR at 11.00 am CET on the first Business
Day of the relevant month.

     “Euro” or “€” means the euro, i.e. the single currency in the participating
member states of the European Union as constituted by the Treaty on the European Union and as
referred to in legislation of the Economic and Monetary Union.

     “FCO” means the German Federal Cartel Office (Bundeskartellamt).

     “Fundamental Representations” means those representations and warranties of the Seller
set forth in Section 3.1 (Organization and Qualification), Section 3.2 (Subsidiaries), Section 3.3
(Authorization; Binding Effect), Section 3.4 (No Contravention), Section 3.5(a) (Title to Purchased
Fixed Assets), 3.12(a) (Title to Intellectual Property) (the first sentence only) and 3.16
(Broker’s Fees).

     “Funded Projects” means the research and development projects of the Wireline
Communications Business involving Seller, certain Subsidiaries and other consortium partners as set
forth in Schedule 5.10 for which Subsidies have been granted or applied for.

     “Governmental Body” means any legislative, executive or judicial unit of any
governmental entity (foreign, federal, state, local or any other jurisdiction of any nature
including supranational) or any department, commission, board, agency, bureau, subdivision, branch,
office, council, organization, official or other regulatory, administrative or judicial authority
thereof.

     “Governmental Permits” means all governmental permits and licenses, certificates of
inspection, approvals or other authorizations issued to Seller or a Subsidiary exclusively with
respect to the Wireline Communications Business and necessary for the operation of the Wireline
Communications Business as currently conducted under applicable Laws.

     “GWB” means the German Act against Restraints on Competition (Gesetz gegen
Wettbewerbsbeschränkungen), as amended.

     “HGB” means the German Commercial Code (Handelsgesetzbuch), as amended.

     “HSR Act” means the Hart-Scott-Rodino Antitrust Improvements Act of 1976, as amended.

Infineon Technologies AG Confidential

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     ““IFRS” means International Financial Reporting Standards, consistently applied, in
effect as of the date of the applicable financial statements (unless otherwise expressly provided
for in this Agreement (including the schedules and annexes hereto and certificates delivered
hereunder)).

     “Intellectual Property Agreement” means the agreement in substantially the form set
forth as Exhibit B (or as mutually reasonably agreed in multiple documents with Seller or
Seller Affiliates based substantially upon such form).

     “IP Dispute” means any claims, demands, dispute and/or legal action solely to the
extent in respect of the operation of the Wireline Communications Business (excluding for the
avoidance of doubt in respect of manufacturing by Seller or its Affiliates) prior to, on or after
the Closing Date, which have been or will be raised, initiated against or notified to Seller, any
Subsidiary, Buyer and/or any Buyer Designee by a Third Party and which relate to or arise out of
any alleged infringement by the operation of the Wireline Communications Business (excluding for
the avoidance of doubt in respect of manufacturing by Seller or its Affiliates) of any Proprietary
Information of such Third Party or of any other Third Party through any act or omission of the
notifying Third Party or the Seller, any Subsidiary, Buyer and/or any Buyer Designee.

     “Knowledge of Seller” or “Seller’s Knowledge” means the actual knowledge of
each of the following: [**], in each case at the date hereof.

     “Law” or “Laws” means any law, statute, ordinance, rule, regulation, code,
order, judgment, injunction or decree of any Governmental Body.

     “Lease Agreement” means each agreement substantially in line with the term sheets set
forth as Exhibit C.

     “Leased Premises” means each piece of real property that (i) is leased by Seller or a
Subsidiary from a Third Party and currently used by Seller or a Subsidiary in connection with the
Wireline Communications Business, and (ii) will be subleased to Buyer or a Buyer Designee by virtue
of a Sublease Agreement.

     “Licensed Intellectual Property” means all Licensed Patents, Licensed Software and
Licensed Technical Information, each as defined in the Intellectual Property Agreement.

     “Notification Letters” means the written notices which Seller or a Subsidiary has
received or will receive from any Third Party and which contain a notification of Seller or a

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Subsidiary of, or a request for indemnification in connection with, an IP Dispute, including those
written notices set forth on Schedule 1.1(a).

     “Ordinary Course of Business” means the ordinary and usual course of normal day-to-day
operations of the Wireline Communications Business as conducted by Seller and the Subsidiaries
consistent with Seller’s and the Subsidiaries’ past practice.

     “Owned Premises” means each piece of real property that (i) is owned by Seller or a
Subsidiary and currently used by Seller or a Subsidiary in connection with the Wireline
Communications Business, and (ii) will be leased to Buyer or a Buyer Designee by virtue of a Lease
Agreement.

     “Pension Plan” means each “employee pension benefit plan” within the meaning
of Section 3(2) ERISA or similar equivalent under applicable Laws other than the United States.

     “Permitted Encumbrances” means any (i) statutory lien for Taxes, assessments and other
governmental charges or liens of carriers, landlords, warehousemen, mechanics and material men
incurred in the Ordinary Course of Business, in each case for sums not yet due and payable or due
as of the Closing Date, but not delinquent or being contested in good faith by appropriate
proceedings, (ii) rights of retention (Eigentumsvorbehalte) granted in the Ordinary Course of
Business (with respect to amounts for which Seller or the Subsidiaries are liable pursuant to
Section 2.1(c) — (e)), (iii) liens incurred or deposits made in the Ordinary Course of Business in
connection with workers’ compensation, unemployment insurance and other types of social security or
to secure the performance of tenders, statutory obligations, surety and appeal bonds, bids, leases,
government contracts, performance and return of money bonds and similar obligations, and (iv) any
minor imperfection in title that, individually or in the aggregate with all other such
imperfections in title, does not, and would not reasonably be expected to, lead to a Loss of Buyer
or a Buyer Designee that is greater than € 25,000 individually and € 200,000 in the aggregate.

     “Person” means any individual, corporation, partnership, firm, association, joint
venture, joint stock company, trust, unincorporated organization or other entity, or any
Governmental Body or instrumentality thereof.

     “Post-Closing Tax Period” means any Tax period beginning after the Closing Date, and,
in the case of any Straddle Period, the portion of such Straddle Period beginning at 0:00 hours on
the day following the Closing Date.

     “Pre-Closing Tax Period” means any Tax period ending on or before the Closing Date
and, in the case of any Straddle Period, the portion of such Straddle Period that ends at 24:00
hours on the Closing Date.

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     “Premises” means the Leased Premises and the Owned Premises, collectively.

     “Proceeding” means any claim, action, charge, complaint, mediation, suit, inquiry,
hearing, order, proceeding, arbitration or investigation by or before any Governmental Body.

     “Project Results” means the results, including information, whether or not they can be
protected, which are generated under any Funded Project. Such results include rights related to
Proprietary Information which arise in the course of carrying out any Funded Project and are
described in records or are available to the recipient of the Subsidies in another form which is
customary in the trade. The Project Results cover also their description and the records, test
set-ups, models, functional models and prototypes created thereby in all developmental and
production phases.

     “Proprietary Information” means all intellectual property proprietary information
(whether or not protectable by patent, copyright, mask works or trade secret rights) including (i)
works of authorship in any and all media, inventions, discoveries, improvements, patentable subject
matter, patents, patent applications, industrial models, industrial designs, trade secrets, trade
secret rights, software, works, copyrightable subject matters, copyright rights and registrations,
mask works, know-how and show-how, trademarks, trade names, service marks, emblems, logos, insignia
and related marks, and all rights related thereto, specifications, technical manuals and data,
databases, libraries, blueprints, drawings, designs, techniques, proprietary processes, product
information, business plans and development work-in-process, (ii) all registrations and
applications for the foregoing, and (iii) all rights to obtain renewals, extensions continuations,
continuations-in-part, re-issues, divisions or similar legal protections related thereto.

     “Purchased Intellectual Property” means all Assigned Marks, Assigned Patents, Assigned
Software and Assigned Technical Information, each as defined in the Intellectual Property
Agreement.

     “[**] Licenses” means the non-exclusive (or, to the extent available, exclusive)
licenses relating to the Wireline Communications Business to the [**] technology of [**] (“[**]”), which may be entered into by Seller or one if its Subsidiaries
and [**], but not including for the avoidance of doubt any license agreement between Seller or
any of its Subsidiaries and [**] in existence as of the date hereof.

     “Seller Material Adverse Effect” means any fact, circumstance, occurrence, event,
change or effect that, individually or when taken together with any other fact, circumstance,
occurrence, event, change or effect that exists at the date of determination of the occurrence of
the Seller Material Adverse Effect, has or is reasonably likely to have a material adverse effect
on (x) the assets, business, operations, financial condition or results of operations of

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the
Wireline Communications Business, taken as a whole or (y) the ability of Seller to consummate the
transactions contemplated hereby; provided, however, that no facts, circumstances,
occurrences, events, changes or effects (by themselves or when aggregated
with any other facts, circumstances, changes or effects) resulting from or arising out of the
following shall be deemed to be or constitute a Seller Material Adverse Effect of the type set
forth in clause (x) above, and no facts, circumstances, occurrences, events, changes or effects
resulting from, relating to or arising out of the following (by themselves or when aggregated with
any other facts, circumstances, occurrences, events, changes or effects) shall be taken into
account when determining whether a Seller Material Adverse Effect of the type set forth in clause
(x) above has occurred or may, would or could occur: (i) any failure to meet forecast projections
with respect to the Wireline Communications Business (except that the foregoing will not exclude
any factors giving rise thereto), (ii) economic, financial or political conditions in general in
any jurisdiction in which the Wireline Communications Business has substantial business or
operations, and any changes therein (including any changes arising out of acts of terrorism, war,
weather conditions or other force majeure events), (iii) general conditions in the semiconductor or
the wireline communications industry, and any changes in general therein (including any changes
arising out of acts of terrorism, war, weather conditions or other force majeure events), (iv)
general conditions in the financial markets, and any changes in general therein (including any
changes arising out of acts of terrorism, war, weather conditions or other force majeure events),
(v) acts of terrorism or war (other than, with respect to sub-clauses (ii) to (v), to the extent
any such matter disproportionately affecting the Wireline Communications Business), (vi) the
announcement, existence or consummation of this Agreement and the transactions contemplated hereby,
or (vii) compliance by the Seller or the Subsidiaries with the express requirements of this
Agreement or the failure by the Seller or the Subsidiaries to take any action that is expressly
prohibited by this Agreement.

     “Straddle Period” means any Tax period that begins on or before and ends after the
Closing Date.

     “Sublease Agreement” means each sublease agreement substantially in line with the term
sheets set forth as Exhibit D.

     “Subsidiary” or “Subsidiaries” means each entity listed on Schedule
3.2 or such entities collectively.

     “Tax” or “Taxes” means all kinds of (i) taxes and similar assessments or
charges within the meaning of Section 3 AO or the relevant provisions under applicable foreign
Laws, including, without any limitation, federal statutory, state, local, municipal and
governmental duties, corporate income tax, trade tax, state tax, stamp duty, transfer tax, custom
duty, registration tax, wealth tax, wage tax, sales tax, value added tax, and any other form of
taxation, levy, duty, charge, solidarity surcharge, contribution, withholding or

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impost of whatever
nature, (ii) all social security contributions, and (iii) any fines, penalties, surcharge charges,
costs or interest or similar charges with respect to (i) and (ii).

     “Third Party” means any Person who/which is neither a party to this Agreement nor an
Affiliate of a party to this Agreement.

     “Transfer Agreement” means each Transfer, Assignment and Assumption Agreement and each
Assignment and Bill of Sale and Assumption Agreement to be reasonably agreed by the parties prior
to the Closing and to be entered into at Closing by Seller and/or the Subsidiaries, as applicable,
on the one hand, and Buyer and/or the Buyer Designees, as applicable, on the other hand, in order
to consummate this Agreement in each relevant jurisdiction.

     “Transferred Employee” means each Austrian Transferred Employee, each German
Transferred Employee, each Indian Transferred Employee, each Singapore Transferred Employee, each
Taiwanese Transferred Employee, each US Transferred Employee, each Latvian Transferred Employee,
each Chinese Transferred Employee and each Hong Kong Transferred Employee.

     “Transitional Assembly and Test Service Agreement” means the agreement in
substantially the form set forth as Exhibit D.

     “Transitional IT Services Agreement” means the agreement in substantially the form set
forth as Exhibit E.

     “Transitional Services Agreement” means the agreement in substantially the form set
forth as Exhibit F.

     “United States” or “US” means the United States of America, its territories
and possessions.

     “UStG” means the German VAT Act (Umsatzsteuergesetz), as amended.

     “VAT” means German value added tax (Umsatzsteuer) and any comparable foreign charge in
respect of which Buyer or the relevant Buyer Designee is entitled to receive an offsetting refund
under the applicable laws (irrespective of whether such entitlement is subject to the fulfillment
of further formal requirements).

     “Wafer Supply and Service Agreement” means the agreement in substantially the form set
forth as Exhibit G.

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     “Welfare Plan” means each “employee welfare benefit plan” within the meaning
of Section 3(1) ERISA or similar equivalent under applicable Laws other than the United States.

     “Wireline Communications Business” means the design, marketing, sale and distribution
of any product, existing or under development, as of Closing Date, that constitute Seller’s
wireline business division, including, Seller’s products pertaining to the product families and the
development projects listed in Schedule 1.1(b) which is intended by the Parties to be as
complete as practicable as of the date hereof.

     1.2 Additional Defined Terms

     For purposes of this Agreement, the following terms shall have the meanings specified in the
Sections indicated below:

	 	 	 
	Term	 	Section
	“613a Dispute”

	 	Section 5.4(b)(vi)(w)
	“Acquired Business”

	 	Section 9.7
	“Agreement”

	 	Preamble
	“Alleged Employees To Be Transferred By Law”

	 	Section 5.4(b)(vi)
	“Antitrust Division”

	 	Section 5.6(b)
	“Austrian Employees To Be Transferred By Law”

	 	Section 5.4(c)(i)
	“Austrian Employees Transferred By Law”

	 	Section 5.4(c)(i)
	“Austrian Seller”

	 	Section 5.4(c)(i)
	“Austrian Transferred Employees”

	 	Section 5.4(c)(v)
	“[**] Contracts”

	 	Section 5.9(e)(i)
	“Aware Purchase Agreement”

	 	Section 5.9(c)
	“Balancing of Interest Procedures”

	 	Section 5.4(b)(ii)
	“Buyer”

	 	Preamble
	“Buyer Indemnification Event(s)”

	 	Section 8.2(b)
	“Buyer Indemnified Party”

	 	Section 8.2(a)
	“Buyer Savings Plan”

	 	Section 5.4(d)(v)
	“Buyer’s Account”

	 	Section 2.5(i)(ii)
	“Closing Actions”

	 	Section 7.3
	“Closing Conditions”

	 	Section 7.2
	“Closing Date”

	 	Section 7.1
	“Closing Payment”

	 	Section 2.5(c)
	“Collateral Agreements”

	 	Recital D
	“Decision”

	 	Section 2.5(f)
	“Deferred Purchase Price”

	 	Section 2.5(b)(vii)
	“Defined Benefit Obligation”

	 	Section 5.4(l)(iii)(u)
	“Dispute”

	 	Section 10.5(b)

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	Term	 	Section
	“Estimate”

	 	Section 2.5(d)
	“Estimated Inventory Value”

	 	Section 2.5(b)(iv)
	“Estimated Liabilities Value”

	 	Section 2.5(b)(i)
	“Estimated Purchase Price”

	 	Section 2.5(c)
	“Excluded Assets”

	 	Section 2.2(b)
	“Excluded Inventory”

	 	Section 2.5(h)
	“Excluded Liabilities”

	 	Section 2.3(b)
	“FTC”

	 	Section 5.6(b)
	“German Employees To Be Transferred By Law”

	 	Section 5.4(b)(i)
	“German Employees Transferred By Law”

	 	Section 5.4(b)(i)
	“German Transferred Employees”

	 	Section 5.4(b)(iv)
	“Indemnified Party”

	 	Section 8.3(a)(i)
	“Indemnifying Party”

	 	Section 8.3(a)(i)
	“Independent Expert”

	 	Section 2.5(f)
	“Indian Business Employees”

	 	Section 5.4(f)(i)
	“Indian Seller”

	 	Section 5.4(f)(i)
	“Indian Transferred Employees”

	 	Section 5.4(f)(i)
	“IP Cap”

	 	Section 9.4(c)(iii)
	“IP Deductible”

	 	Section 9.4(c)(ii)
	“IP Liabilities”

	 	Section 9.4
	“Key Employees”

	 	Section 3.9(a)
	“Leases”

	 	Section 3.7(a)
	“Licensed Intellectual Property”

	 	Section 3.12(a)
	“Losses”

	 	Section 8.2(a)
	“Naturalrestitution Period”

	 	Section 8.2(a)(v)
	“New License Agreement”

	 	Section 2.1(g)
	“Notice”

	 	Section 2.5(f)
	“Other Austrian Employees”

	 	Section 5.4(c)(v)
	“Other German Employees”

	 	Section 5.4(b)(iv)
	“Other Governmental Permits”

	 	Section 2.8(b)(ii)
	“Personal Governmental Permits”

	 	Section 2.8(b)(i)
	“Potentially Available Cross-Licenses”

	 	Section 5.8(a)
	“Preliminary Purchase Price”

	 	Section 2.5(a)
	“Proceedings for Unlawful Dismissal”

	 	Section 5.4(b)(vi)(x)
	“Purchased Assets”

	 	Section 2.2(a)
	“Purchased Contracts”

	 	Section 2.1(a)
	“Purchased Fixed Assets”

	 	Section 2.2(a)(i)
	“Purchased Intellectual Property”

	 	Section 3.12(a)
	“Purchased Inventory”

	 	Section 2.2(a)(ii)
	“Purchased Inventory Value”

	 	Section 2.5(b)(v)
	“Purchased Liabilities”

	 	Section 2.3(a)
	“Purchased Liabilities Value”

	 	Section 2.5(b)(ii)
	“Purchase Price”

	 	Section 2.5(a)

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	Term	 	Section
	“Reasonable Commercial Efforts”

	 	Section 1.3(g)
	“Reasonable Commitments”

	 	Section 5(b)(v)
	“Reasonable Efforts”

	 	Section 9.3(a)(v)
	“Retained Legal Proceedings”

	 	Section 9.4
	“Seller”

	 	Preamble
	“Seller Indemnification Event(s)”

	 	Section 8.2(a)
	“Seller Indemnified Party”

	 	Section 8.2(b)
	“Seller Name”

	 	Section 9.3(a)(i)
	“Seller’s Account”

	 	Section 2.5(i)(i)
	“Shared IP Liabilities”

	 	Section 9.4(c)
	“Singapore Business Employees”

	 	Section 5.4(e)(i)
	“Singapore Seller”

	 	Section 5.4(e)(i)
	“Singapore Transferred Employees”

	 	Section 5.4(e)(i)
	“Substituted Employees”

	 	Section 5.4(a)(ii)
	“Supplementary Rules”

	 	Section 10.5(c)
	“Taiwanese Business Employees”

	 	Section 5.4(g)(i)
	“Taiwanese Seller”

	 	Section 5.4(g)(i)
	“Taiwanese Transferred Employees”

	 	Section 5.4(g)(i)
	“Target Inventory Value”

	 	Section 2.5(b)(vi)
	“Target Liabilities Value”

	 	Section 2.5(b)(iii)
	“Third Party Claim”

	 	Section 8.3(a)(i)
	“Time Limitations”

	 	Section 8.4(b)(i)
	“US Business Employees”

	 	Section 5.4(d)(i)
	“US Seller”

	 	Section 5.4(d)(i)
	“US Transferred Employees”

	 	Section 5.4(d)(i)
	“WARN Act”

	 	Section 5.4 (d)(vii)
	“Wireline Communications Division”

	 	Recital A
	“Wireline Intellectual Property”

	 	Section 3.12(b)(i)(x)

     1.3 Other Definitional and Interpretive Matters

     Unless otherwise expressly provided for purposes of this Agreement, the following rules of
interpretation shall apply:

     (a) Calculation of Time Period. When calculating the period of time before which,
within which or following which any act is to be done or step is to be taken pursuant to this
Agreement, the provisions of Sections 187 BGB et seq. shall apply.

     (b) Gender and Number. Any reference in this Agreement to gender shall include all
genders, and words imparting the singular number only shall include the plural and vice versa.

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     (c) Headings. The provision of a Table of Contents, the division of this Agreement
into Sections and other subdivisions and the insertion of headings are for convenience of reference
only and shall not affect or be utilized in construing or interpreting
this Agreement. All references in this Agreement to any “Section” are to the
corresponding Section of this Agreement unless otherwise specified.

     (d) Herein. The words such as “herein”, “hereinafter”,
“hereof”, and “hereunder” refer to this Agreement as a whole and not merely to a
subdivision in which such words appear unless the context otherwise requires.

     (e) Including. The word “including” or any variation thereof means
“including, without limitation” and shall not be construed to limit any general statement
that it follows to the specific or similar items or matters immediately following it.

     (f) Currency. All currency references included in this Agreement and the Collateral
Agreements shall refer to Euro(s), unless explicitly stated otherwise.

     (g) Reasonable Commercial Efforts. “Reasonable Commercial Efforts” means that
the obligated party is required to make a diligent, reasonable and good faith effort to accomplish
the applicable objective. Such obligation, however, does not require an expenditure of material
funds or the incurrence of a liability on the part of the obligated party, nor does it require that
the obligated party makes any concessions or acts in a manner that would be contrary to normal
commercial practices under the given circumstances in order to accomplish the objective. The fact
that the objective is or is not actually accomplished is no indication that the obligated party did
or did not in fact utilize its reasonable commercial efforts in attempting to accomplish the
objective.

     (h) Schedules and Exhibits. The Schedules and Exhibits attached to this Agreement
shall be construed with and as an integral part of this Agreement to the same extent as if the same
had been set forth verbatim herein. Any matter disclosed by either party on any one Schedule with
respect to any representation, warranty or covenant of such party shall be deemed disclosed for
purposes of any other representations, warranties or covenants of such party to the extent that it
is reasonably apparent from such disclosure that it also relates to such other representations,
warranties or covenants.

     (i) German Terms. Where a German term has been inserted in italics, it alone (and not
the English term to which it relates) shall be authoritative for the purpose of the interpretation
of the relevant English term in this Agreement.

     (j) Materiality Threshold. Wherever in this Agreement the term “material”,
“materiality” or “Seller Material Adverse Effect” or any variation thereof appears, no monetary
threshold set forth in any provision of this Agreement shall be considered in connection with the
interpretation thereof unless specifically and explicitly tied thereto.

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2. Sale and Purchase of Contracts, Assets and Liabilities

     2.1 Sale and Purchase of Contracts

     (a) Purchased Contracts. Upon the terms and subject to the conditions of this
Agreement, Seller hereby sells (verkauft), or agrees to cause a Subsidiary to sell (verkaufen), to
Buyer by way of an assumption of contract with full discharge of Seller (im Wege der
Vertragsübernahme mit befreiender Wirkung) all rights and obligations (in each case within the
scope set forth in, and subject to, Sections 2.1(c) through (e) below) resulting
from

          (i) the Contracts identified on Schedule 2.1(a), and

          (ii) all Contracts which will be entered into by Seller or a Subsidiary between the date
hereof and the Closing Date in the Ordinary Course of Business or otherwise in accordance with
Section 5.2, to the extent such Contracts relate exclusively to the Wireline Communications
Business, except for intra-group contracts between Seller and/or a Subsidiary on the one hand and
Seller and/or any of Seller’s Affiliates on the other hand (other than the software license
agreement between Seller and [**] entered into before the Closing Date with the prior
written approval of Buyer); and

          (iii) the purchase orders exclusively relating to the Wireline Communications Business (i)
with customers to the extent such purchase orders have been placed to Seller or its Subsidiaries
and have not been cancelled or completely fulfilled by Seller or its Subsidiaries prior to or on
the Closing Date (ii) with suppliers and service providers to the extent such purchase orders have
been placed by Seller or any of its Subsidiaries in the Ordinary Course of Business and have not
been cancelled or completely fulfilled by the respective Third Party prior to or on the Closing
Date.

     (collectively, the “Purchased Contracts”). Buyer hereby accepts such sale.

     (b) Consent of Third Parties.

          (i) Seller and Buyer shall use Reasonable Commercial Efforts to obtain the consents (including
to avoid any objection) of the Third Parties which are required to transfer the Purchased Contracts
(which are not identified with an asterisk on Schedule 2.1(a)) to Buyer. (To the extent
that additional Purchased Contracts are identified between the date hereof and the Closing Date
that may require consents, such schedule shall be updated and the provisions of this section shall
apply thereto.) To the extent to which a Transfer Fee is required in order to obtain a consent from a Third Party under a Purchased Contract, Seller and Buyer shall [**]. For the avoidance of

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doubt, in the event a consent is not available and subsection (ii)
hereunder is not permissible under a given Purchased Contract, but a replacement or substitution contract may be
available, any Contract Replacement Fee required in connection
therewith shall be treated pursuant to Section 2.1(g). Seller
shall only be obliged to [**] in accordance with this clause on or
after the Closing Date and upon [**]. The parties shall collaborate and use Reasonable Commercial
Efforts to [**] Transfer Fees and Contract Replacement Fees, [**].

          (ii) To the extent that consents of Third Parties cannot be obtained prior to the Closing
Date, (x) Seller and Buyer shall continue to use Reasonable Commercially Efforts to obtain such
consents of the Third Parties after the Closing Date and (y) the obligation of Seller and Buyer to
equally bear Transfer Fees shall continue to exist. In addition, Seller or the respective
Subsidiary will vis-à-vis the Third Party (im Außenverhältnis) remain the party to the respective
Purchased Contract and the parties will, for the purpose of their internal relationship (im
Innenverhältnis) and to the maximum extent legally permitted, behave and put each other in the
position as if (sich so stellen wie) the transfer (Vertragsübernahme) of the Purchased Contract had
effectively taken place on the Closing Date in accordance with Section 2.1(c) through
Section 2.1(e).

          (iii) For
the purposes of this Section 2.1(b), “Transfer
Fee” shall mean a [**] for the purpose of consenting to (or avoidance of objection to or
waiving change of control provisions) the transfer of any Purchased Contract from Seller to
Buyer pursuant to this Agreement.  For the avoidance of doubt, the parties agree that [**]
Transfer Fee [**] Transfer Fee).

     (c) Obligations of Buyer. Buyer undertakes to Seller that, as from and after the
Closing Date, it shall carry out, perform and discharge when due all of the obligations and
liabilities of Seller or its Subsidiaries under the Purchased Contracts and shall indemnify Seller
and Seller’s Affiliates from, and hold Seller and Seller’s Affiliates harmless against, any and all
liabilities, cost and expenses suffered or incurred by Seller or the respective Affiliate of Seller
as a result of any failure by Buyer to carry out, perform and discharge such obligations and
liabilities, in each case (x) other than any Excluded Liabilities and (y) only to the following
extent:

          (i) Buyer shall not assume, and Seller and its Subsidiaries shall retain, any obligation
vis-à-vis customers under any of the Purchased Contracts to the extent Seller

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or its Subsidiaries
have rendered performances to customers prior to or on the Closing Date and Buyer shall not be
liable for or in respect of any product delivered by Seller or its
Subsidiaries prior to or on the Closing Date (provided that the foregoing shall not derogate
Buyer from its obligations pursuant to Section 2.3(a)(ii) below).

          (ii) Buyer shall not assume any of Seller’s or its Subsidiaries’ accounts payable
(Verbindlichkeiten aus Lieferungen und Leistungen) vis-à-vis suppliers, service providers or
licensors or other Third Parties under any of the Purchased Contracts to the extent such accounts
payable arise from performances received by Seller or a Subsidiary from the respective Third Party
prior to or on the Closing Date.

          (iii) Buyer shall not be liable for any act, neglect, breach, default or omission committed by
Sellers or its Subsidiaries under any of the Purchased Contracts prior to or on the Closing Date,
including any obligation to be performed after the Closing Date due to such an act, neglect,
breach, default or omission, and Seller and its Subsidiaries shall retain all liability for any of
the foregoing (provided that the foregoing shall not derogate Buyer from its obligations pursuant
to Section 2.3(a)(ii) below).

          (iv) To the extent to which Seller or its Subsidiaries retains any warranty, service,
maintenance or support obligations with respect to products delivered by Seller or its Subsidiaries
in accordance with, and subject to, the terms of Sections 2.1(c) through 2.1(e),
Buyer shall, on behalf and at the expense of Seller, provide the required services to the
respective customers.

     For the avoidance of doubt, Section 8.2(a)(iii) shall apply to the items described in
classes (i), (ii) or (iii) of this Section 2.1(c).

     (d) Accounts Receivable and Claims.

          (i) Seller and its Subsidiaries shall retain, and Buyer shall not assume, any of Seller’s or
its Subsidiaries’ accounts receivable (Forderungen aus Lieferungen und Leistungen) vis-à-vis
customers under any of the Purchased Contracts to the extent such accounts receivable arise from
performances rendered by Seller to Third Parties prior to or on the Closing Date.

          (ii) Buyer shall only assume claims vis-à-vis customers under any of the Purchased Contracts
to the extent such accounts receivable arise from performances rendered by Buyer after the Closing
Date.

          (iii) Buyer shall only assume claims vis-à-vis suppliers, service providers or licensors or
other Third Parties under any of the Purchased Contracts to the extent such claims relate to
performances that have not been rendered to Seller or its Subsidiaries prior to or on the Closing
Date.

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     (e) Payments Received and Payments Made.

          (i) Payments which have been made to Buyer or a Buyer Designee relating to performances
rendered by Seller or its Subsidiaries shall be forwarded to Seller or the respective Subsidiary
within five (5) Business Days after the end of the calendar month in which such payments have been
received. Payments which have been made to Seller or its Subsidiaries relating to performances
rendered by Buyer or a Buyer Designee after the Closing Date shall be forwarded to Buyer or the
respective Buyer Designee within five (5) Business Days after the end of the calendar month in
which such payments have been received, or, in the event of advance payments (including for
“end-of-life” agreements) which have been made to Seller or its Subsidiaries relating to
performances rendered or to be rendered by Buyer or a Buyer Designee after the Closing Date, within
five (5) Business Days after the Closing Date. For the avoidance of doubt, although the parties
shall use Reasonable Commercial Efforts to insure in each case that such payments are made in five
(5) Business Days, no party shall charge interest to the other party for the first five (5)
Business Days following such deadline.

          (ii) Payments which have been made by (y) Seller or its Subsidiaries to suppliers, service
providers or licensors or other Third Parties relating to performances received by Buyer after the
Closing Date (other than monies Buyer is required to pay pursuant to other provisions of this
Agreement) or (z) Buyer to suppliers, service providers or licensors or other Third Parties
relating to performances received by Seller or its Subsidiaries prior to or on the Closing Date
(other than monies Seller is required to pay pursuant to other provisions of this Agreement) shall
not be compensated for by Buyer or Seller, respectively.

          (iii) Up to five (5) Business Days after each calendar month end after Closing, Buyer shall
submit to Seller a summary of credit notes (Gutschriften) relating to [**] and rebate and similar arrangements (e.g. [**]) (but
provided that Section 9.8 shall remain unaffected) with customers or distributors applied to
customer payments or other compensations granted by Buyer to customers for such month that refer to
pre-Closing shipments. Seller shall reimburse Buyer for the amount of credit notes included
on such summary within five (5) Business Days of receipt. For the avoidance of doubt, although the
parties shall use Reasonable Commercial Efforts to insure in each case that such payments are made
in five (5) Business Days, no party shall charge interest to the other party for the first five (5)
Business Days following such deadline.

     (f) [**]
License and [**] Acquisition. With respect to the [**] License and the
[**] Acquisition, Section 5.9(c) shall apply.

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     (g) Conclusion of New License Agreements.

          (i) Schedule 2.1(g) sets forth certain license agreements between Seller or its
Subsidiaries and certain licensors which may currently be used by the Wireline Communications
Business but will not be transferred to Buyer and which Buyer may need to substitute by a new
license agreement (each a “New License Agreement”) on or after the Closing Date. (To the
extent that additional licenses are identified between the date hereof and the date that is sixty
(60) days after the Closing Date that are used in the Wireline Communications Business but that are
not to be transferred to Buyer and which Buyer needs to substitute, such schedule shall be updated
and the provisions of this section shall apply thereto.) Seller shall use Reasonable Commercial
Efforts to assist Buyer in connection with obtaining a substitute for each New License Agreement,
and the parties shall cooperate in connection therewith.
To the extent to which a Contract Replacement Fee is required to be paid by Buyer to the respective
licensor in order to enter into the New License Agreement, such Contract Replacement Fee [**].
Seller shall only be obliged to [**] in accordance with this clause on or after the Closing Date
and upon [**]. The parties must not disclose the aforementioned [**] agreement to any Third Party
subject to this provision. The parties shall collaborate and use Reasonable Commercial Efforts to
[**] Contract Replacement Fees, [**].

          (ii) With respect to that certain Agreement [**] by and between [**] and Infineon Technologies AG, dated [**], (as amended for the [**] and for the  [**]) which is a Purchased Contract but used in the business
of Seller outside the Wireline Communications Business as of the date hereof, the provisions of
this Section 2.1(g) shall apply thereto as if Buyer were Seller and Seller were Buyer
mutatis mutandis.

          (iii) For the purposes of this Section 2.1(g), “Contract Replacement Fee” shall mean a [**] for the purpose of obtaining a replacement or
substitution of any contract covered hereunder. For the avoidance of doubt, the parties agree that
[**] Contract Replacement Fee [**] Contract Replacement Fee).

     2.2 Sale and Purchase of Assets

     (a) Purchased Assets. Upon the terms and subject to the conditions of this Agreement,
Seller hereby sells (verkauft), or agrees to cause a Subsidiary to sell (verkaufen),

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to Buyer, and
Buyer hereby purchases (kauft) from Seller or the applicable Subsidiary, the Purchased Assets. For
purposes of this Agreement, “Purchased Assets” means all the assets
of Seller or a Subsidiary described in Section 2.2(a)(i) through Section
2.2(a)(v) below, whether or not any of such assets have any value for accounting purposes or
are carried or reflected on, or are specifically referred to, in Seller’s or the respective
Subsidiary’s books or financial statements. For the avoidance of doubt the Purchased Assets shall
include all assets that would be deemed to be Purchased Assets pursuant to this Section
2.2(a) (other than Excluded Assets) of Infineon Technologies Latvia SA.

          (i) all the movable fixed assets (Sachanlagevermögen) identified on Schedule
2.2(a)(i), and those movable fixed assets which primarily relate to the Wireline Communications
Business, including specific test hardware (PC, PIB, HIB) for all products of the Wireline
Communications Business (other than (x) any movable fixed assets otherwise provided by Seller or
any of its Subsidiaries to Buyer under any Collateral Agreement and (y) movable fixed assets which
relate to Seller’s or its Subsidiaries’ IT infrastructure (other than IT client assets, e.g.
laptops, desktops, monitors, and for the avoidance of doubt, mobile phones), manufacturing or
central R&D department (“ETS”-department)) (the “Purchased Fixed Assets”), provided, that
(A) movable fixed assets which are identified on Schedule 2.2(a)(i) and specific test
hardware (PC, PIB, HIB) for all products of the Wireline Communications Business, in each case
which will be sold or otherwise disposed of by Seller or a Subsidiary in the Ordinary Course of
Business between the date hereof and the Closing Date shall not constitute Purchased Fixed Assets;
(B) movable fixed assets which are not identified on Schedule 2.2(a)(i), but which will be
acquired by Seller or a Subsidiary in the Ordinary Course of Business between the date hereof and
the Closing Date shall constitute Purchased Fixed Assets, provided, that such assets have
been acquired for the primary use of the Wireline Communications Business and do not relate to
Seller’s IT infrastructure (other than IT client assets, e.g. laptops, desktops, monitors, and for
the avoidance of doubt, mobile phones), manufacturing or central R&D department (“ETS”-department),
and (C) Seller and Buyer may, between the date hereof and the Closing Date, mutually and reasonably
agree upon certain additional movable fixed assets which relate to Seller’s or its Subsidiaries’
central R&D department (“ETS”-department) and which will be transferred to Buyer.

          (ii) all finished goods of the Wireline Communications Business including those located in
Seller’s or its Subsidiaries’ distribution centers or in consignment stock locations of Seller’s or
its Subsidiaries’ customers and all pre-processed wafers located in Seller’s and its Subsidiaries’
die-banks or at Seller’s and its Subsidiaries’ suppliers, in each case to the extent such finished
goods and pre-processed wafers exist on the Closing Date, pertain primarily to the Wireline
Communications Business and are owned by Seller or a Subsidiary or to which Seller or a Subsidiary
has a claim (Anwartschaftsrecht) on the Closing Date (collectively, the “Purchased
Inventory”), but excluding any Excluded Inventory determined in accordance with Section
2.5(h) below;

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          (iii) the Business Records, including all personnel records pertaining to German Transferred
Employees and Austrian Transferred Employees;

          (iv) Seller’s and its Subsidiaries’ warranty claims and claims against an insurance related to
the Purchased Fixed Assets and Purchased Inventory to the extent Buyer has incurred a Loss;
provided, however, that neither Seller nor the respective Subsidiary shall be liable for
the existence (Bestehen), transferability (Abtretbarkeit) and enforceability (Durchsetzbarkeit) of,
and the non-existence of counter-claims against (Einredefreiheit), the respective claim, and
further provided that, if a claim is not transferable and Seller or its Subsidiaries
receive benefits out of such claim, Seller and its Subsidiaries shall forward such benefits to
Buyer to the extent Buyer has incurred a Loss; and

          (v) the Purchased Intellectual Property.

          For the avoidance of doubt, together with the Purchased Assets the goodwill pertaining to the
Purchased Assets will pass over to Buyer.

     (b) Excluded Assets. Except as expressly set forth otherwise in this Agreement, the
parties agree and acknowledge that by virtue of this Agreement neither Seller nor any Subsidiary
sells or shall sell (verkaufen) to Buyer, and Buyer does not purchase and shall not purchase
(kauft), any assets or rights other than the Purchased Assets (collectively, the “Excluded
Assets”). The Parties agree and acknowledge that the Excluded Assets include, but are not
limited to, the assets and rights described in paragraphs (i) through (x) below:

          (i) any of Seller’s or the Subsidiaries’ cash, cash equivalents, bank deposits or similar cash
items;

          (ii) any Proprietary Information of Seller or Seller’s Affiliates other than the Purchased
Intellectual Property;

          (iii) any (x) personnel records pertaining to any Transferred Employees except for German
Transferred Employees and Austrian Transferred Employees, (y) other books and records that Seller
or any Affiliate of Seller is required by Law to retain, provided, however, that Buyer
shall have the right, to the extent permitted by Law, to make copies of any portions of such
retained confidential personnel records and other books and records that relate to the Wireline
Communications Business in accordance with Section 9.1, and (z) any information
management system of Seller or any Affiliate of Seller;

          (iv) any claim, right or interest of Seller or any Affiliate of Seller in or to any refund,
rebate, abatement or other recovery for Taxes, together with any interest due thereon or penalty
rebate arising therefrom, related to any Pre-Closing Tax Period;

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          (v) subject to Section 9.3(a)(vi), any rights to, or the use of, the “Infineon”,
“Infineon Technologies”, “Infineon Technologies AG” or “IFX” trademarks;

          (vi) the accounts receivable (Forderungen aus Lieferungen und Leistungen) which are referred
to in Section 2.1(d)(i);

          (vii) any insurance policies or rights of proceeds thereof other than those pursuant to
Section 2.2(a)(iv);

          (viii) to the extent not already excluded by virtue of Section 2.2(b)(vi), any of
Seller’s or any of Seller’s Affiliates’ rights, claims or causes of action against Third Parties
relating to the assets, properties or operations of the Wireline Communications Business arising
out of transactions, measures, actions, omissions or other causes occurring prior to, and
including, the Closing Date (other than those with respect to (x) warranty matters for which
Purchaser becomes liable pursuant to Section 2.3(a)(ii), (y) counterclaims to the extent of
the Purchased Liabilities (it being understood that in the event Seller as well as Buyer need to
utilize such counterclaims, they will reasonably agree as to the allocation thereof) or (z)
Purchased Intellectual Property as provided in the Intellectual Property Agreement);

          (ix) any movable fixed assets which relate to Seller’s or its Subsidiaries’ IT infrastructure
(other than IT client assets, e.g. laptops, desktops, monitors, and for the avoidance of doubt,
mobile phones), manufacturing or central R&D department (“ETS”-department) other than as allocated
to Buyer pursuant to Section 2.2(a)(i)(C);

          (x) all other assets, properties, interests and rights of Seller or any Affiliate of Seller
(other than the Purchased Assets) not related exclusively to the Wireline Communications Business.

     (c) [**]
Acquisition. With respect to the [**] Acquisition, Section 5.9(d)
shall apply.

     2.3 Sale and Purchase of Liabilities

     (a) Purchased Liabilities. In addition to the liabilities to be assumed by Buyer as a
consequence of Buyer’s assumption of the Purchased Contracts pursuant to Section 2.1, upon
the terms and subject to the conditions of this Agreement, Buyer hereby agrees to assume from
Seller or the respective Subsidiary with full discharge of Seller or the respective Subsidiary
(Schuldübernahme mit befreiender Wirkung) only the liabilities set forth or described in
Section 2.3(a)(i) through Section 2.3(a)(iv) below (collectively, and including the
liabilities to be assumed by Buyer as a consequence of Buyer’s assumption of the Purchased
Contracts pursuant to Section 2.1, the “Purchased Liabilities”), whether or not

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any
of such liabilities have any value for accounting purposes or are carried or reflected on, or are
specifically referred to, in Seller’s or the applicable Subsidiary’s books or financial
statements (it being understood that Buyer would not be restricted from contesting in good
faith with the Third Party the amount alleged to be owing):

          (i) any employment liabilities arising out of the employment of the Transferred Employees by
Seller prior to Closing, except for (w) salary claims including wage tax and social security
contributions (Gehaltsansprüche einschließlich Lohnsteuer und Sozialabgaben) which have become due
(fällig geworden) or been collected from the applicable Transferred Employee(s) and to the extent
not included in the calculation of Purchased Liabilities prior to the Closing Date, (x) any
one-time bonuses, retention or change of control amounts or special remuneration paid by Seller or
a Subsidiary to any Business Employee in view of the consummation of the transactions contemplated
hereby and thereby, (y) liabilities under current or past stock option plans to Business Employees
granted by Seller irrespective of when they fall due (unabhängig von ihrer Fälligkeit), and (z) any
liabilities under or with respect to pension plans or deferred compensation arrangements other than
those applicable to German Transferred Employees or Austrian Transferred Employees;

          (ii) with respect to the Wireline Communications Business, any product warranty liabilities
arising from sales of products shipped after the Closing Date, regardless of when produced;

          (iii) any IP Liabilities for which Buyer is liable pursuant to Section 9.4; and

          (iv) any
liabilities and obligations in connection with the [**]
License and the [**] Acquisition for which Buyer is liable pursuant to Section 5.9(c) and 5.9(e)

     To the extent the assumption of any Purchased Liability by Buyer or a Buyer Designee should
require the consent of any Third Party, Section 2.1(b) shall apply mutatis mutandis.

     (b) Excluded Liabilities.

          (i) Except as expressly set forth otherwise in this Agreement, the parties agree and
acknowledge that by virtue of this Agreement Buyer does not assume and shall not assume any
liabilities or obligations other than the Purchased Liabilities (collectively, the “Excluded
Liabilities”). In addition, “Excluded Liabilities” shall include any and all
liabilities in respect of the matters set forth on Schedule 2.3(b).

          (ii) To the extent Buyer is held liable for any liability due to a transfer of such liability
by operation of law (kraft Gesetzes) which liability is or would constitute an

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Excluded Liability
pursuant to this Agreement, such liability shall be treated as an Excluded Liability in accordance
with this Agreement.

          (iii) For the avoidance of doubt, Buyer acknowledges that it is solely liable for any
obligations and liabilities resulting from the operation of the Wireline Communications Business by
the Buyer after the Closing Date, including any liability in connection with any acts, neglects,
defaults or omissions committed by Buyer or a Buyer Designee after the Closing Date (provided that
the foregoing shall not derogate from any other express rights granted to Buyer pursuant to other
provisions of this Agreement or any Collateral Agreement).

     2.4 Proprietary Information

     Except to the extent expressly set forth otherwise in this Agreement or in any Collateral
Agreement, no title, right or license of any kind is granted to Buyer or a Buyer Designee pursuant
to this Agreement with respect to the Proprietary Information of Seller or any Affiliate of Seller,
either directly or indirectly, by implication, by estoppel or otherwise.

     2.5 Purchase Price

     (a) Preliminary Purchase Price. In consideration of the sale and transfer of the
Purchased Assets and in addition to the assumption of the Purchased Liabilities, Buyer shall pay
to Seller (and Seller’s Subsidiaries in accordance with the Purchase Price Allocation) a purchase
price of € 250,000,000 (in words: Two Hundred Fifty Million Euros) (the “Preliminary Purchase
Price”) as adjusted pursuant to Section 2.5(e) (the “Purchase Price”).

     (b) Definitions. For the purposes of this Agreement

          (i) “Estimated Liabilities Value” shall mean the value of those Purchased Liabilities
set forth in Section 2.5(b)(ii) below (excluding, however, the line items for Calculation
Exclusions) as of the Closing Date and as estimated by Seller in accordance with Section
2.5(d).

          (ii) “Purchased Liabilities Value” shall mean the value of

               (x) the Purchased Liabilities described in Section 2.3 (a)(ii) (product warranty
liabilities, if any) as of the Closing Date; and

               (y) the Purchased Liabilities described in Section 2.3(a)(i) (including obligations
with respect to (A) accrued vacation, (B) accrued salary payments, (C) jubilee payments, (D) ERA
(Entgeltrahmenabkommen) adjustments, (E) special arrangements entered into relating to retention of
employees, and (F) employee inventions to

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the extent Buyer is liable for them pursuant to
Section 9.9 (i)), excluding however the following items, in each case as of the Closing
Date:

               (A) obligations with respect to German Pension Liabilities;

               (B) obligations with respect to variable compensation including performance bonuses, and
Christmas bonuses;

               (C) obligations with respect to working time accounts (Zeitkonten) in Germany;

               (D) obligations with respect to the Austrian termination benefit plan; and

               (E) obligations with respect to the Indian termination benefit plan;

          (subsections (A) — (E) above, the “Calculation Exclusions”).

          (iii) “Target Liabilities Value” shall be an amount of € 5,600,000 (in words: Five
Million Six Hundred Thousand Euros);

          (iv) “Estimated Inventory Value” shall mean the book value of the Purchased Inventory
as of the Closing Date and as estimated by Seller in accordance with Section 2.5(d);

          (v) “Purchased Inventory Value” shall mean the book value of the Purchased Inventory
as of the Closing Date;

          (vi) “Target Inventory Value” shall be an amount of € 44,000,000 (in words: Forty-four
Million Euros); and

          (vii) “Deferred Purchase Price” shall be an amount of € 20,000,000 (in words: Twenty
Million Euros).

     (c) Closing Payment. At the Closing, Buyer shall pay to Seller an aggregate amount
equal to:

          (i) the Preliminary Purchase Price;

          (ii) less any amount by which the Estimated Liabilities Value exceeds the Target
Liabilities Value;

          (iii) less any amount by which the Estimated Inventory Value falls short of the Target
Inventory Value;

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(the amount determined pursuant to (i) through (iii) the “Estimated Purchase Price”);

          (iv) less the Deferred Purchase Price;

(the “Closing Payment”).

     (d) Estimated Liabilities Value and Estimated Inventory Value. No later than ten (10)
Business Days prior to the Closing Date, Seller shall deliver to Buyer a written notice which sets
forth Seller’s good faith estimate of the Estimated Liabilities Value and the Estimated Inventory
Value and the amount of the Closing Payment deriving therefrom (the “Estimate”). For the
purposes of preparing the Estimate, the Estimated Liabilities Value and the Estimated Inventory
Value shall be determined by Seller in accordance with IFRS, as continuously applied by Seller, and
on the basis of Seller’s existing principles for valuing liabilities and inventory which are set
forth on Schedule 2.5(d). The Estimate shall also take into account any decrease of the
Purchase Price in accordance with Section 5.9(g). The Estimate shall be final and binding
for the purposes of the determination of the Closing Payment. As regards Excluded Inventory,
Section 2.5(h) shall apply.

     (e) Adjustment of Purchase Price. For the calculation of the Purchase Price, the
Preliminary Purchase Price shall be:

          (i) decreased Euro-for-Euro by the amount by which the Purchased Liabilities Value
exceeds the Target Liabilities Value; and

          (ii) decreased Euro-for-Euro by the amount by which the Purchased Inventory Value
falls short of the Target Inventory Value.

     (f) Calculation of Purchased Inventory Value and the Purchased Liabilities Value. As
soon as practicable, but in no event later than sixty (60) days after the Closing Date, Buyer shall
deliver to Seller a written notice which sets forth Buyer’s final calculation of the Purchased
Inventory Value and the Purchased Liabilities Value (the “Notice”). For the purposes of the
Notice, the Purchased Liabilities Value and the Purchased Inventory Value shall be determined by
Buyer in accordance with IFRS, continuously applied by Seller, and on the basis of Seller’s
existing principles for valuing liabilities and inventory which are set forth on Schedule
2.5(d).

     Any objections of Seller against the Purchased Inventory Value and the Purchased Liabilities
Value as set forth in the Notice must be raised within sixty (60) days after receipt of the Notice
by Seller by providing Buyer with a written statement which specifies in reasonable detail the
basis for such objections and includes Seller’s calculation of the value of the Purchased Inventory
Value and the Purchaser Liabilities Value. If Seller does not object against Buyer’s calculation of
the value of the Purchased Inventory Value and the

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Purchased Liabilities Value during such period
and in such manner, Buyer’s calculation of the Purchased
Inventory Value and the Purchased
Liabilities Value as set forth in the Notice shall be final and binding on the parties. If Seller
objects to Buyer’s calculation of Purchased
Inventory Value and/or the Purchased Liabilities Value during such period and in such manner,
the parties shall cooperate in good faith to resolve any disputed items as promptly as possible. If
Buyer and Seller should be unable to resolve all of the disputed items within twenty (20) Business
Days following receipt by Buyer of Seller’s written objections, each of Buyer and Seller shall be
entitled to request the German Institute of Chartered Accountants (Institut der Wirtschaftsprüfer
in Deutschland e.V.) to appoint an independent auditor who is a partner in a firm of
internationally reputable accountants (the “Independent Expert”) to determine the correct
amount of the value of the Purchased Inventory Value and the Purchased Liabilities Value. The
Independent Expert shall act as an expert (Schiedsgutachter) and not as an arbitrator
(Schiedsrichter). Each of Buyer and Seller shall cooperate with the Independent Expert and shall
grant the Independent Expert access to such books and records as may be reasonably necessary to
permit a determination by the Independent Expert. Each party shall submit to the Independent Expert
its proposed resolution of the disputed items, and the Independent Expert shall decide only on the
specific items in dispute. The parties agree not to engage in any ex parte communication with the
Independent Expert. The final decision of the Independent Expert shall not fall beyond or outside
the positions taken by the parties. The Independent Expert shall make its determination in
accordance with Seller’s principles for valuing inventory which are set forth on Schedule
2.5(d) and shall give the parties an adequate opportunity to present their views in writing and
at a hearing or hearings to be held in the presence of Buyer and Seller and their advisors. The
decision of the Independent Expert (the “Decision”) shall give reasons for the Independent
Expert’s determination of the value of the Purchased Inventory Value and the Purchased Liabilities
Value and shall address the specific items in dispute between Buyer and Seller. The Independent
Expert shall use Reasonable Commercial Efforts to complete its review within thirty (30) Business
Days following its engagement. The Independent Expert’s fees and expenses shall be allocated based
on the inverse of the percentage its determination (before such allocation) bears to the total
amount in dispute as originally submitted to the Independent Expert. For example, should the items
in dispute total in amount to € 1,000 and the Independent Expert awards € 600 in favor of Seller’s
position, 60% of the costs of its review would be borne by Buyer and the remaining 40% of the costs
would be borne by Seller. The value of the Purchased Inventory Value and the Purchased Liabilities
Value as determined by the Independent Expert shall be final and binding on the parties.

     For the final calculation of the Purchase Price, the Purchased Inventory Value and the
Purchased Liabilities Value shall be the relevant amounts as shown in the Notice delivered by
Buyer, if no objection against such amounts is delivered within the relevant time period pursuant
to this Section 2.5(f) or, if and to the extent an objection has been delivered, either as
agreed between the parties or, in the absence of such agreement, as shown in the Decision delivered
by the Independent Expert pursuant to this Section 2.5(f).

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     (g) Payment of Adjustment Amount. If, on the basis of the adjustment pursuant to
Section 2.5(e), the Purchase Price falls short of the Estimated Purchase Price, Seller
shall
pay to Buyer an amount equal to such shortfall plus interest thereon at a rate of 300 basis
points above Euribor from and including the Closing Date to, but excluding, the respective date of
payment.

     Any payment pursuant to this Section 2.5(g) shall become due and payable on the sixth
(6th) Business Day after the Purchased Inventory Value and the Purchased Liabilities
Value have become final and binding upon the parties in accordance with Section 2.5 (f)
last sentence.

     (h) Seller Retention of Excluded Inventory. If and to the extent, pursuant to the
determination made in accordance with Section 2.5(d) regarding the Estimated Inventory
Value, or, pursuant to the determination made in accordance with Section 2.5(e) regarding
the Purchased Inventory Value, the Estimated Inventory Value or the Purchased Inventory Value
exceeds the Target Inventory Value, the inventory that represents such excess (with the portion of
such excess inventory that will constitute such excess being determined with the approval of
[**] or a designee of Buyer, and such inventory being referred to herein as the
“Excluded Inventory”) shall not form part of the Purchased Assets and there shall be no
obligation of Seller or any of its Subsidiaries to transfer Excluded Inventory to Buyer. Such
Excluded Inventory shall be retained by Seller and subsequently be sold to Buyer in accordance with
the terms and conditions of the Wafer Supply and Service Agreement. To the extent Excluded
Inventory has (incidentally) been transferred to Buyer, Buyer shall be obliged to retransfer such
Excluded Inventory or to compensate Seller for the value of such Excluded Inventory in accordance
with the terms and conditions of the Wafer Supply and Service Agreement.

     (i) Payment of and Collateral for Deferred Purchase Price.

          (i) Promptly (and in any event no later than five (5) Business Days) following the date that
is nine months after the Closing Date, Buyer shall pay to Seller the Deferred Purchase Price, i.e.
an amount of € 20,000,000 (in words: Twenty Million Euros) less the portion of Losses which have
been acknowledged by Seller in writing or have become legally established (rechtskräftig
festgestellt) out of those Losses specified in any then unresolved good faith claims by Buyer
Indemnified Parties for indemnification that is pending under this Agreement.

          (ii) In the event that Buyer has not paid the Deferred Purchase Price when due pursuant to
Section 2.5(i)(i), in addition to any other remedies that
may be available to Seller, [**]

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     (j) Mode of Payment. Any payment to be made under this Agreement shall be made in
Euros by irrevocable wire transfer of immediately available funds to the bank accounts specified
below or any other account designated by Seller’s or Buyer’s written instructions, as the case may
be, to the respective other party at least two (2) Business Days prior to the relevant due date.
Any such payment shall be deemed to have been duly made only upon the irrevocable and unconditional
crediting of the amount payable (without deduction of any cost or charges, other than those of
Seller’s bank) to the relevant bank account on, and as of a value date no later than the relevant
due date. Unless otherwise specified by the relevant party in accordance with the foregoing, any
payments under this Agreement shall be made:

          (i) if to Seller or a Subsidiary to the following account (“Seller’s Account”):

	 	 	 	 	 
	 

	 	Account Holder:
	 	Infineon Technologies AG
	 

	 	Bank:
	 	ABN AMRO Bank Frankfurt
	 

	 	Bank Code
	 	 50230400
	 

	 	Account No.:
	 	 6713027008
	 

	 	Swift:
	 	ABNADEFFFRA
	 

	 	IBAN:
	 	DE49502304006713027008

          (ii) if to Buyer or a Buyer Designee to the following account (“Buyer’s Account”):

	 	 	 	 	 
	 

	 	Account Holder:
	 	 
	 

	 	Bank:
	 	 
	 

	 	Account No.:
	 	 
	 

	 	Swift:	 	 
	 

	 	IBAN:
	 	 

     Any failure by either party to make any payment under this Agreement when it is due shall
result in such party’s immediate default (Verzug), without any reminder by the respective recipient
being required.

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     Except as set forth in Section 2.5(i)(i), Buyer shall not be entitled to exercise any
rights of set-off or any retention rights with respect to its payment obligations pursuant to this
Section 2.5.

     2.6 Taxes

     (a) The Purchase Price is meant to be a net amount that does not include any VAT. To the
extent that the consummation of the transactions contemplated under this Agreement is subject to
VAT, such VAT shall — to the extent it is not owed to the competent Tax authority by Buyer
pursuant to § 13b UStG or any similar provision under the Tax Laws of another jurisdiction
(“Reverse Charge Mechanism”) — be paid by Buyer or the relevant Buyer Designee in addition to the
Purchase Price on the Closing Date. The determination (x) to what extent the consummation of the
transactions contemplated under this Agreement is subject to VAT and (y) to what extent such VAT is
not owed to the competent Tax authority by Buyer (or a Buyer Designee) pursuant to a Reverse Charge
Mechanism, shall be agreed, in accordance with applicable laws, between Seller and Buyer prior to
Closing. Based on the Purchase Price Allocation and considering the VAT basis under applicable VAT
Laws as agreed between Seller and Buyer, Seller shall issue, or cause the relevant Subsidiary to
issue the relevant invoices (Rechnungen) in accordance with the applicable VAT Laws at Closing.
Seller shall, until Closing, declare its consent to Buyer (or a Buyer Designee), acting in good
faith, to accept the assignment of any VAT refund claim (Vorsteuererstattungsanspruch) to Seller
(or the relevant Subsidiary) on the Closing Date for the VAT period (Vorsteueranmeldungszeitraum)
in which the respective invoice is issued, on account of performance (erfüllungshalber), to the
extent such assignment is legally feasible and leads to a comparable economic result as the cash
payment of the VAT on Closing. If the VAT amount actually payable is higher or lower than the
amount shown on such invoice (due to any adjustment of the Preliminary Purchase Price, because VAT
has not been invoiced at all for certain Purchased Assets, because the relevant Tax authorities
consider the transfer under this agreement as a transfer of a going concern (Geschäftsveräußerung
im Ganzen) according to § 1(1a) UStG or any similar provision under the Tax Laws of another
jurisdiction, or for any other reason), the Parties shall make appropriate declarations and filings
with the Tax authorities and amend any invoices (to the extent required by Law), in each case
without undue delay (unverzüglich), and pay, reimburse or reassign, as the case may be, the
adjustment amounts to the respective other Party. Any interest due on VAT amounts owed to the
respective Tax authority shall be borne and paid by Buyer and Seller in equal portions, unless to
the extent such interest is (i) triggered by a default of one party to timely pay the VAT owed to
the Tax authority and (ii) it was agreed by the Parties that such VAT would become payable under
this Transaction, in which case such party shall solely bear the respective interest. Any claims of
Seller or Buyer under this Section 2.6(a) shall be time-barred three months after the final
and binding assessment of the relevant VAT. Seller and Buyer shall cooperate for the purpose of
this Section 2.6(a), in particular in respect of filing any VAT returns and claiming input VAT. If
input VAT is not available solely because Seller (or a Subsidiary) does not fulfil formal
requirements imposed on it by Law or

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a Tax authority for obtaining the input VAT, Section 2.6(b) shall apply to any such
non-recoverable input VAT.

     (b) All other transfer, sales, use, consumption or other comparable taxes triggered by this
Agreement or the transactions contemplated by this Agreement (excluding, for the avoidance of
doubt, VAT as set forth in Section 2.6(a) and income taxes) shall be borne and paid by Seller and
Buyer in equal portions.

     (c) All personal property Taxes (excluding, for the avoidance of doubt, real estate transfer
Taxes) and similar ad valorem obligations levied with respect to the Purchased Assets for a
Straddle Period shall be apportioned between Seller and Buyer based on the number of days of such
Straddle Period, and Seller shall be liable for the proportionate amount of such Taxes that is
attributable to the Pre-Closing Tax Period within such Straddle Period, and Buyer shall be liable
for the proportionate amount of such Taxes that is attributable to the Post-Closing Tax Period
within such Straddle Period. Any refund, rebate, abatement or other recovery of such Taxes
attributable to the Pre-Closing Tax Period shall be for the account of the Seller, and any refund,
rebate, abatement or other recovery of such Taxes attributable to the Post-Closing Tax Period shall
be for the account of the Buyer.

     2.7 Buyer Designee

     (a) The Parties agree that Buyer may assign the right to acquire and pay for certain of the
Purchased Assets or to assume certain of the Purchased Liabilities to one or more Buyer Designees
or that one or more Buyer Designees may enter into a Collateral Agreement. For the avoidance of
doubt, any Taxes triggered by the assignment of rights or assumption of liabilities under this
Agreement shall be solely borne by Buyer and Section 2.6(b) shall not apply in this respect, unless
such Taxes are saved upon Closing and would have otherwise been triggered upon Closing had the
assignment not occurred. Notwithstanding any such assignment or assumption or execution of a
Collateral Agreement by a Buyer Designee, Buyer shall remain jointly and severally liable in
addition to such Buyer Designee for, and any such assignment or execution shall not relieve Buyer
of, all liabilities and obligations of Buyer and the Buyer Designees under or in connection with
this Agreement and the Collateral Agreements. Any reference to Buyer in this Agreement shall to the
extent applicable also be deemed a reference to the applicable Buyer Designee, except where in
context of this Agreement such use would not be appropriate.

     (b) Schedule 2.7 sets forth Buyer’s final acquisition structure including the
jurisdictions of organization of the entities within such structure. The Parties agree that the
acquisition structure reflected in Schedule 2.7 shall not be materially altered after the
date hereof and prior to the Closing Date and Buyer does not have any plans to change such
structure as of the date hereof. Section 5.4(b)(ii) shall remain unaffected hereby.

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     2.8 Insurance; Governmental Permits

     (a) Insurance. Buyer acknowledges that, as of the Closing Date, all insurance
coverage provided by Seller or the Subsidiaries in relation to the Wireless Communications Business
will expire.

     (b) Governmental Permits.

          (i) Seller and Buyer agree and acknowledge that all Governmental Permits which have been
granted to Seller or a Subsidiary on a personal basis (the “Personal Governmental Permits”)
need to be re-granted to Buyer. Buyer undertakes to apply for the re-granting of all Personal
Governmental Permits identified with an asterisk on Schedule 3.6 promptly after Signing.
Seller agrees to cooperate fully with Buyer and to provide all reasonable assistance to Buyer in
connection with Buyer’s application for the re-granting of any Personal Governmental Permits.

          (ii) Seller and Buyer further agree and acknowledge that there is no legal requirement to
assign any of the Governmental Permits which do not constitute Personal Governmental Permits and
relate solely to the Purchased Assets or the Premises (the “Other Governmental Permits”).
Seller and Buyer agree that Buyer may make use of the Other Governmental Permits as of the Closing
Date. Buyer undertakes to make all notifications to the extent reasonably practicable to the
competent Governmental Bodies which are required to be made under applicable Laws in connection
with any Other Governmental Permits not identified with an asterisk on Schedule 3.6
promptly after the Closing Date.

3. Representations and Warranties of Seller

     Seller hereby represents and warrants (garantiert) to Buyer by way of an independent promise
of guarantee (sebständiges Garantieversprechen) within the meaning of Section 311 (1) BGB that the
statements set forth in this Section 3 are true and correct in all material respects, in
each case as of the date hereof (and, except to the extent explicitly stated in any representation
and warranty below, as of the Closing Date (it being understood that the statement “as of the date
hereof” shall be such an explicit statement to that effect)), unless a certain representation or
warranty is made as of a different date in which case it shall be true and correct as of such
different date.

     To the extent a representation and warranty pursuant to Section 3.7, 3.8,
3.9, 3.10, 3.11 (to the extent the respective representation and warranty
is made as of the Closing Date), 3.12 (b), 3.15 and 3.18 is made as of the
Closing Date, Seller shall be entitled to provide Buyer at the Closing Date with an updated version
of the Schedule provided for in the respective representation and warranty solely for the purpose
of disclosing the occurrence of an event that happened after the date of this Agreement (and in no
event to

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correct the inaccuracy of any disclosure (or lack of disclosure) as of the date of this
Agreement), with the effect that the respective representation and warranty shall, for purposes of
Section 8.2 only and not for purposes of Section 7.2(d), be deemed to have been
made taking into account such updated disclosure but solely as of the Closing Date. Buyer’s rights
pursuant to Section 7.2(d) shall remain unaffected.

     To the extent a representation and warranty pursuant to this Section 3 is made subject
to the Knowledge of Seller, such representation and warranty to such extent is, for the avoidance
of doubt, made only as of the date hereof.

     3.1 Organization and Qualification

     Seller is, and on the Closing Date will be, a stock corporation (Aktiengesellschaft) duly
organized and validly existing under the Laws of the Federal Republic of Germany. Seller has, and
on the Closing Date will have, all requisite corporate power and authority to operate the Wireline
Communications Business as currently conducted by it.

     3.2 Subsidiaries

     Schedule 3.2 sets forth a list of each Subsidiary that has title to any Purchased
Asset, is party to any Purchased Contract, is obliged by any Purchased Liability or is the employer
of any Business Employee, together, in each case, with the jurisdiction of organization of each
Subsidiary. Except as set forth on Schedule 3.2, each Subsidiary is, and on the Closing
Date will be, duly organized and validly existing under the Laws of its jurisdiction of
organization and has, and on the Closing Date will have, all requisite corporate power and
authority to carry on the Wireline Communications Business as currently conducted. The Subsidiaries
listed on Schedule 3.2 are the only Affiliates of Seller that have title to any Purchased
Asset, are party to any Purchased Contract, are obliged by any Purchased Liability or are the
employer of any Business Employee, in each case related to the Wireline Communications Business as
currently conducted.

     3.3 Authorization; Binding Effect

     (a) Seller has all requisite corporate power and authority to execute, deliver and perform
this Agreement and the Collateral Agreements to which it will be a party and to effect the
transactions contemplated hereby and thereby, and the execution, delivery and performance of this
Agreement and the Collateral Agreements to which Seller will be a party has been duly authorized by
all requisite corporate action. Each Subsidiary has all requisite corporate power and authority to
execute, deliver and perform the Collateral Agreements to which it will be a party and to effect
the transactions contemplated thereby, and the execution, delivery and performance of the
Collateral Agreements to which such Subsidiary will be a party has been duly authorized by all
requisite corporate action.

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     (b) This Agreement has been duly executed and delivered by Seller and this Agreement is, and
the Collateral Agreements to which Seller and each Subsidiary will be a party when duly executed
and delivered by Seller or such Subsidiary will be, valid and legally binding obligations of Seller
or such Subsidiary, enforceable against Seller or such Subsidiary, as applicable, in accordance
with their respective terms, except to the extent that enforcement of the rights and remedies
created hereby and thereby may be affected by bankruptcy, reorganization, moratorium, insolvency
and similar Laws of general application affecting the rights and remedies of creditors.

     3.4 Non-Contravention

     The execution, delivery and performance of this Agreement by Seller and the Collateral
Agreements by Seller or any Subsidiary that is a party thereto and the consummation of the
transactions contemplated hereby and thereby do not and will not (i) result in a breach or
violation of, or conflict with, any provision of Seller’s or the applicable Subsidiary’s charter,
by-laws or similar organizational documents, or (ii) violate any applicable Law, order, judgment,
decree, rule or regulation of any court or any Governmental Body having jurisdiction over Seller or
a Subsidiary, except any such conflict or violation that would not result in any material
prohibition, restriction or delay of the performance of Seller or any Subsidiary of its obligations
hereunder or under any of the Collateral Agreements

     3.5 Purchased Fixed Assets

     (a) Seller or a Subsidiary has, and at the Closing will have and will transfer to Buyer at the
Closing, good and valid title to the Purchased Fixed Assets and Purchased Inventory, and all
Purchased Fixed Assets and Purchased Inventory are, and at the Closing will be, free and clear of
any Encumbrances (except for Permitted Encumbrances).

     (b) Each Purchased Fixed Asset which is currently used by the Wireline Communications Business
is, subject to usual wear and tear, in good operating condition and suitable for the purposes for
which it is currently used.

     (c) Except for the items in Section 2.2(b)(i) through (ix) and as set forth in
Schedule 3.5(c), the Purchased Fixed Assets together with the movable fixed assets to be
provided to Buyer and/or the Buyer Designees under any Collateral Agreement constitute all of the
movable fixed assets of Seller and the Subsidiaries that are necessary to the operate the Wireline
Communications Business as currently conducted by Seller and its Affiliates.

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     3.6 Governmental Permits

     As of the date hereof and except as set forth on Schedule 3.6,

     (a) there are no Governmental Permits necessary for or used by Seller or a Subsidiary to
operate the Wireline Communications Business as now being operated, except to the extent those
Governmental Permits which, if lacking, could not reasonably be expected, individually or in the
aggregate, to result in Losses of €40,000 or more, which Governmental Permits are required by
currently effective Laws;

     (b) Seller or one of its Subsidiaries owns, holds or possesses in their own name, all
Governmental Permits necessary to own or lease, operate and use the Purchased Assets or own, use or
occupy the Premises and to carry on and conduct the Wireline Communications Business and its
operations as presently conducted (except those Governmental Permits which, if lacking, could not
reasonably be expected, individually or in the aggregate, to result in Losses of €40,000 or more);
and

     (c) the Governmental Permits held, owned or possessed by Seller or a Subsidiary are valid and
in full force and effect and no proceeding is recorded, pending or, to Seller’s Knowledge,
threatened seeking the suspension, modification, limitation or revocation of any such Governmental
Permit and neither Seller nor any Subsidiary is in violation of or default under any such
Governmental Permits, unless any of the above could not reasonably be expected, individually or in
the aggregate, to result in Losses of €40,000 or more on the Wireline Communications Business.

     (d) For the avoidance of doubt, nothing in this Section 3.6 shall be interpreted to
amend, modify or limit the provisions of Section 2.8(b).

     3.7 Premises

     (a) Schedule 3.7(a) contains a complete and accurate list of the Owned Premises and
the Leased Premises as well as information on the term (Laufzeit) of the lease agreements
pertaining to the Leased Premise (the “Leases”). Except as set forth in Schedule
3.7(a), each Lease is in full force and effect and neither Seller nor any Subsidiary has
violated, and, to Seller’s Knowledge, the landlord has not waived, any of the material terms or
conditions of any Lease and all the material covenants to be performed by the Seller or a
Subsidiary and, to Seller’s Knowledge, the landlord under each Lease prior to the date hereof have
been performed in all material respects.

     (b) The use of any Premises, as presently used by the Wireline Communications Business, does
not violate any local zoning or similar land use Laws or governmental regulations which violation,
individually or in the aggregate, has had or could reasonably be expected to result in €40,000 or
more in Losses. Neither Seller nor any Subsidiary is in

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violation of or in non-compliance with any covenant, condition, restriction, order or easement
affecting any Premise where such violation or noncompliance, individually or in the aggregate, has
had or could reasonably be expected to result in €40,000 or more in Losses.

     3.8 Litigation

     Except as set forth on Schedule 3.8, there is no Proceeding pending or, to Seller’s
Knowledge, threatened against Seller or any Subsidiary, the Wireline Communications Business or the
Purchased Assets, (i) which seeks to restrain or enjoin the consummation of the transactions
contemplated by this Agreement, or (ii) with respect to the Wireline Communications Business, the
Purchased Assets, the Purchased Liabilities or the Transferred Employees that individually claims
more than €100,000 (in words: One Hundred Thousand Euros).

     3.9 Business Employees

     (a) As of the date hereof, Schedule 3.9(a)-1 contains a list of all the Business
Employees, showing for each Business Employee the name, title, function, location, and (i) for all
German and Austrian Business Employees covered by collective agreement (Tarifmitarbeiter), the
annual total salary based on current classification under applicable wage scale as of March 31,
2009, and (ii) for all other Business Employees, the annual fixed salary or wages as of March 31,
2009 and aggregate annual target compensation for the fiscal year ending September 30, 2009
(Jahreszieleinkommen) as of March 31, 2009. As of the date hereof, except as set forth on
Schedule 3.9(a)-1, none of the Business Employees has entered into an early retirement
arrangement with Seller or the Subsidiaries, including, but not limited to, German agreements on
early retirement (Vereinbarungen über Altersteilzeit), and none of the German Business Employees
may request from Seller or the Buyer the conclusion of an agreement on early retirement (Abschluss
einer Vereinbarung über Altersteilzeit). As of the date hereof, none of the key employees as
listed on Schedule 3.9(a)-2 (the “Key Employees”) have (except as indicated on
Schedule 3.9(a)-2) given notice or otherwise indicated in writing that he or she intends to
terminate his or her employment. With respect to all German Employees To Be Transferred By Law and
all Austrian Employees To Be Transferred By Law, Seller has terminated any arrangements providing
for the implementation of short-time working (Kurzarbeit) or unpaid leave (unbezahlter Urlaub)
prior to the Closing Date. As of the Closing Date, none of the German Employees To Be Transferred
By Law or the Austrian Employees To Be Transferred By Law are obligated to or entitled to any such
short-time working or unpaid leave for time periods after Closing.

     (b) As of the date hereof, Schedule 3.9(b) contains a complete and accurate list of
all collective bargaining agreements, including, but not limited to, German collective bargaining
agreements (Tarifverträge), shop agreements (Betriebsvereinbarungen) or any

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similar written or
material unwritten agreements with unions, workers’ councils or other
employee representatives or to Seller’s Knowledge, standard practices (betriebliche Übung),
which apply to the Wireline Communications Business, be it directly, by reference in shop
agreements (Betriebsvereinbarungen) or in the individual employment contracts of the Business
Employees.

     (c) Schedule 3.9(c) contains a complete and accurate list of all Benefit Plans. For
the avoidance of doubts: There are no individual pension or similar arrangements for any German and
Austrian Business Employee exceeding any such Benefit Plan.

          (i) Each German and Austrian pension and similar arrangements as listed on Schedule
3.9(c) has been established, modified, supplemented and administered in accordance with the
requirements of applicable Laws. Each other Benefit Plan as listed on Schedule 3.9(c) (and
each related trust, insurance contract, or fund), which is transferred to Buyer or with respect to
which Buyer assumes any liability or obligation under or in connection with this Agreement or the
transactions contemplated by this Agreement, has been maintained and administered in accordance
with the requirements of applicable Laws. The terms of all Benefit Plans mentioned in this
paragraph and the terms of any applicable collective bargaining agreement comply in content, form
and in operation with the requirements of applicable Laws.

          (ii) All contributions (including all employer contributions and employee contributions) that
are due under any Benefit Plan, which is transferred to Buyer or with respect to which Buyer
assumes any liability or obligation under or in connection with this Agreement or the transactions
contemplated by this Agreement, before Closing have been made by Seller within the time periods
prescribed by applicable Laws, in particular, contributions to (i) any German pension fund
(Pensionskasse), and (ii) any German direct insurance (Direktversicherung). All contributions for
any period ending on or before the Closing Date that are not yet due have been made to each Benefit
Plan or accrued on Seller’s books and records in accordance with the past custom and practice of
the Wireline Communications Business and applicable accounting principles, to the extent required
by applicable Laws. All premiums or other payments for all periods ending on or before the Closing
Date have been paid or accrued with respect to each such Benefit Plan that is a Welfare Plan.

     (d) Except as set forth on Schedule 3.9(d), with respect to the Wireline
Communications Business, there is not presently pending or existing, and to Seller’s Knowledge,
there is not threatened, (i) any strike, slowdown, picketing, or work stoppage, or (ii) any
controversies pending, or to Seller’s Knowledge, threatened between Seller or any Subsidiary and
any of the Business Employees that, individually or in the aggregate, have had or could reasonably
be expected to result in €40,000 or more in Losses. Schedule 3.9(d) contains a complete
and accurate (i) list of any job actions of the kind mentioned under Section 3.9(d)(i)
above which have happened in the last two (2) years prior

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to the date hereof, and (ii) any lawsuits
or any formally initiated conciliation/arbitration proceedings
pending against Seller or any Subsidiary by any Business Employee or vice versa, including any
lawsuits or any formally initiated conciliation/arbitration proceedings involving works councils or
other employee representatives.

     (e) With respect to the Business Employees other than the German Business Employees and the
Austrian Business Employees, and except as set forth on Schedule 3.9(e), there is, to
Seller’s Knowledge, no pending or threatened union organizing or decertification efforts and, to
the Seller’s Knowledge, none have occurred in the last two (2) years.

     (f) Except as set forth on Schedule 3.9(f), with respect to the Wireline
Communications Business neither Seller nor any of its Affiliates has any current or potential
obligation to provide post-employment health, life or other welfare benefits to current Business
Employees other than as required under Section 4980B of the US Internal Revenue Code or any similar
applicable Law.

     (g) With respect to the Wireline Communications Business:

          (i) Seller and its Subsidiaries have complied in full with all applicable Laws attributable to
the employment of each of the Transferred Employees and has violated no applicable employment Law
in connection with the operation of the Wireline Communications Business; and

          (ii) except as set forth on Schedule 3.9(g), Seller and its Subsidiaries have no
liabilities arising out of the employment, remuneration or hiring of any of the Business Employees
prior to the Closing (and there is no basis for any of the foregoing), other than ordinary payroll
and benefit obligations that have been fully accrued for in the Ordinary Course of Business.

     (h) Seller has not established any long-term working time accounts for which accruals have to
be set aside (rückstellungspflichtige Langzeitarbeitskonten) for any of the German Business
Employees and Seller has not established or is not a member in any support fund
(Unterstützungskasse) for any of the German Business Employees.

     3.10 Purchased Contracts

     (a) Except as set forth on Schedule 3.10(a), each Purchased Contract is valid, binding
and enforceable against Seller or the applicable Subsidiary and, to Seller’s Knowledge, against the
other parties thereto, in each case in accordance with its terms, and each Purchased Contract is in
full force and effect against Seller or the applicable Subsidiary and, to Seller’s Knowledge,
against the other parties thereto. For the avoidance of doubt, “enforceable” shall not mean that
the Seller and/or the Subsidiary shall bear the bankruptcy

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risk (Bonitätsrisiko) of the respective
counterparty of the Purchased Contract. Except as set forth on Schedule 3.10(a), neither
Seller nor any Subsidiary had received any notice that it is
in default under, or in breach of, or is otherwise delinquent in performance under any
Purchased Contract, except to the extent such default, breach or delinquency could not reasonably
be expected to result in €40,000 or more in Losses, and, to Seller’s Knowledge, each of the other
parties to the Purchased Contracts has performed all obligations required to be performed by it
under, and is not in default under, any Purchased Contract. Except as set forth on Schedule
3.10(a), neither Seller nor any Subsidiary has received notice of termination or overt
indication thereof with respect to any Purchased Contract.

     (b) Except as set forth on Schedule 3.10(b), none of the Purchased Contracts contains
a provision pursuant to which (i) the transfer of the respective Purchased Contract to a third
party is explicitly allowed without the consent of respective other party to the Purchased Contract
or (ii) the execution of this Agreement by Seller and the consummation of the transactions
contemplated hereby and thereby conflicts with, results in a breach of, constitutes a default
under, results in the acceleration of, or create in any party the right to accelerate, terminate,
modify, or cancel any of the Purchased Contracts (but not including, for this clause (ii), for the
avoidance of doubt, any consents required for the assignment of such Purchased Contracts as
contemplated by the transactions described under this Agreement). To Seller’s Knowledge and except
as set forth on Schedule 3.10(b), none of the Purchased Contracts contain any
non-competition or exclusivity (geographically or otherwise) that restrict the conduct of the
Wireline Communications Business.

     (c) Except as set forth on Schedule 3.10(c), the Purchased Contracts are all of the
contracts worth more €40,000 of Seller and its Subsidiaries which relate exclusively or primarily
to the Wireline Communications Business other than those for which the Collateral Agreements will
provide Buyer and its Affiliates with substantially similar benefits following the Closing.

     3.11 Absence of Certain Changes

     Except as set forth on Schedule 3.11, (x) between March 31, 2009 and the date hereof
the Wireline Communications Business has been conducted in the Ordinary Course of Business, (y)
between March 31, 2009 and the Closing Date none of the ten (10) largest customers (as set forth in
Schedule 3.13) of the Wireline Communications Business has permanently and fully terminated
the contractual relationship with Seller or stated in writing to do so (not including threats), and
(z) there has not been (i) between March 31, 2009 and the Closing Date any Seller Material Adverse
Effect, (ii) between March 31, 2009 and the Closing Date any damage, destruction or other casualty
loss (whether or not covered by insurance) affecting the Wireline Communications Business or any
Purchased Asset which, individually or in the aggregate, has had or could reasonably be expected to
have a Seller Material Adverse Effect, (iii) between March 31, 2009 and the date hereof any
transaction

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or commitment made, or any contract or agreement entered into, by Seller or a
Subsidiary relating to the Wireline Communications Business (including the acquisition or
disposition
of any assets) or any relinquishment by Seller or a Subsidiary of any contract or other right,
in either case, which are worth more than €40,000 to the Wireline Communications Business, other
than transactions and commitments in the Ordinary Course of Business and those contemplated by this
Agreement and the Collateral Agreements, or (iv) between March 31, 2009 and the Closing Date any
labor dispute, other than routine individual grievances, or any lockouts, strikes, slowdowns, work
stoppages or threats thereof by or with respect to Business Employees, in each case set forth in
this clause (iv) could not reasonably be expected to result in Losses of €40,000 or more to the
operation of the Wireline Communications Business.

     3.12 Intellectual Property

     (a) Except as set forth in Schedule 3.12(a), Seller or one of its Affiliates has, and
at the Closing will have and will transfer to Buyer at Closing, good and valid title to the
Purchased Intellectual Property, and the Purchased Intellectual Property is, and at the Closing
will be, free and clear of any Encumbrances (other than Permitted Encumbrances) and not subject to
any agreements other than any agreements described in subsections (A)-(E) below, and Seller or one
of its Affiliates owns or has the right to grant licenses under all of the Licensed Intellectual
Property. The Parties acknowledge that Seller is a party to the following types of agreements
related to the Wireline Communications Business:

     (A) license agreements either (x) related to Seller’s entire portfolio of patents or (y)
related to any patent specific to the Wireline Communications Business or any Transferred Patents;

     (B) intellectual property agreements included in the Purchased Contracts;

     (C) product design and development agreements, manufacturing technology license agreements,
joint development agreements, joint marketing agreements, strategic alliances, or research and
development agreements not included in the Purchased Contracts;

     (D) non-exclusive licenses granted to customers in the Ordinary Course of Business;

     (E) agreements entered into by predecessors-in-interest of Seller;

     (F) non-exclusive licenses granted by Seller to acquirors in connection with the sale of
assets or businesses;

     all of which, in the case of subsections (A) and (B) above, are set forth on Schedule
3.12(b), and (z) no competitors of the Wireline Communications Business are licensed to

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use any
Purchased Intellectual Property in the field of the Wireline Communications Business.

     (b) Except as set forth on Schedule 3.12(b), in connection with the operation of the
Wireline Communications Business:

          (i) there is neither a pending suit or proceeding nor a written claim against Seller with
respect to the Wireline Communications Business (x) based upon, or challenging or seeking to deny
or restrict, the rights of Seller or any of its Affiliates in any of the Purchased Intellectual
Property or the Licensed Intellectual Property (collectively, the “Wireline Intellectual
Property”), (y) alleging that the use of the Wireline Intellectual Property or any services
provided, processes used, or products manufactured, used, imported, offered for sale or sold with
respect to the products of the Wireline Communications Business do or may conflict with,
misappropriate, infringe or otherwise violate any intellectual property rights or other proprietary
rights of any Third Party; or (z) alleging that Seller or any of its Affiliates infringed,
misappropriated, or otherwise violated any intellectual property rights or other proprietary rights
of any Third Party in connection with the products of the Wireline Communications Business and none
of the foregoing has been settled or otherwise resolved in the past two (2) years; and

          (ii) (x) the Wireline Intellectual Property constitutes all intellectual property rights or
other proprietary rights, equal or exceeding €40,000 in value, owned by Seller or one of its
Subsidiaries with respect to the Wireline Communications Business (other than intellectual property
or other proprietary rights to the extent related solely to manufacturing technologies, licenses to
which would be obtained by Buyer to the extent Buyer purchaser wafers under the Wafer Supply
Agreement), and (y) the consummation of the transactions contemplated by this Agreement will not
alter, impair or extinguish any Purchased Intellectual Property and any rights therein or thereto.

          (iii) Seller has, where applicable, complied with its obligations to disclose and license
Assigned Patents to any technical standards organizations in all material respects.

     (c) To Seller’s Knowledge and except as set forth on Schedule 3.12(c), the products of
the Wireline Communications Business do not infringe, misappropriate or otherwise violate the
intellectual property or proprietary rights of any third party.

     (d) To Seller’s Knowledge and except as set forth in Schedule 3.12(d), the Purchased
Intellectual Property is valid and enforceable.

     (e) Except as set forth in Schedule 3.12(e), the use of the Assigned Software and the
Licensed Software (in each case as defined in the Intellectual Property Agreement) by the Wireline
Communications Business has been in compliance with the terms of any open

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source license for any
open source code included in the Assigned Software or the Licensed Software.

     (f) With respect to the Potentially Available Patent Licenses set forth on Schedule 5.8, to
the extent the same contain a limitation regarding the number of times in which Seller has the
right to extend the rights thereunder to a third party, in each case at least one (1) such
extension remains.

     3.13 Customers

     Schedule 3.13 contains a list setting forth the twenty (20) largest customers
(end-customers, not ship-to-customers) of the Wireline Communications Business by Euro (€) amount
over the twelve (12) months ended March 31, 2009.

     3.14 [Intentionally left blank]

     3.15 Taxes

     Except as set forth in Schedule 3.15, Seller and any Subsidiary (as applicable) have
timely paid all Taxes of or relating to the Wireline Communications Business for which Buyer could
be held liable on the basis of Section 75 AO or any other applicable foreign Law provisions under
which Tax liabilities transfer together with the Wireline Communication Business.

     3.16 Brokers’ Fees

     None of Seller or any Affiliate of Seller have any liability to pay any fees or commissions to
any broker, advisor, or agent with respect to sale of the Wireline Communications Business, the
execution of this Agreement or the transactions contemplated hereunder, in each case for which
Buyer could become liable or obligated.

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     3.17 Compliance with Certain Laws

     Neither Seller nor its Subsidiaries nor any of their respective directors, officers or
employees have, with respect to the Purchased Assets, the Purchased Contracts or the Wireline
Communications Business (including any governmental bids), (i) used any funds to offer or provide
any unlawful contributions, payments, gifts or bribes, except those contributions, payments, gifts
or bribes which could reasonably be expected to result by themselves or in the aggregate in €40,000
or more in Losses (ii) made any unlawful
expenditures relating to political activity to government officials, except those expenditures
which would result by themselves or in the aggregate in €40,000 or more in Losses or (iii) to
Seller’s Knowledge, received notice of any payment identified in (i) or (ii) above.

     3.18 Product Warranty; Product Liability

     Except as set forth in Schedule 3.18, each product which is part of the Purchased
Inventory has, as regards defects in quality (Sachmangel), been in conformity in all respects with
all applicable contractual commitments and all express and implied warranties, except those
nonconformities which could not reasonably be expected to result in €40,000 or more in Losses, and
neither Seller nor any Subsidiary has, as regards such Purchased Inventory, any liability exceeding
€40,000 for replacement or repair thereof or other material damages in connection therewith. To
Seller’s Knowledge, neither Seller nor any Subsidiary has any liability that could reasonably be
expected to exceed €40,000 arising out of any injury to individuals or property as a result of the
use of any product manufactured or sold by the Wireline Communications Business.

     3.19 Environmental, Health, and Safety Matters

     To Seller’s Knowledge and unless any noncompliance does not have an impact that could
reasonably be expected to exceed €40,000 on the Wireline Communications Business, each Affiliate of
Seller that is lessee with respect to each parcel of the Leased Premises to be subleased to Buyer
or a Buyer Designee under any Sublease Agreement is in compliance with all Laws applicable to such
parcel of the Leased Premises or the occupation thereof. Each Affiliate of Seller that is owner or
lessee with respect to each parcel of Owned Premises or Leased Premises has not received any
written notice (or, to Seller’s Knowledge, any other notice) from any Governmental Body alleging
that Seller may be in violation of, or liable under, any Law applicable to such Owned Premises or
Leased Premises. In connection with each parcel of Owned Premises or Leased Premises, the
Affiliate of Seller that is owner or lessee with respect to such Owned Premises or Leased Premises:
(i) has not entered into or agreed to any order or become otherwise subject to any order relating
to compliance with Laws or the investigation, sampling, monitoring, treatment, remediation, removal
or cleanup of hazardous materials and, to Seller’s Knowledge, no Proceeding is pending or
threatened in writing with respect thereto; and (ii) is not an indemnifying party in

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connection
with any claim threatened or asserted in writing by any Third-Party with respect to such Owned
Premises or Leased Premises relating to any hazardous materials. None of the Owned Premises or
Leased Premises is listed or, to Seller’s Knowledge, proposed for listing on the “National
Priorities List” under CERCLA or any corresponding law of any country other than the United States.

     3.20 Financial Information

     (a) Seller has previously delivered to Buyer the following financial information which is
identified on Schedule 3.20(a) (collectively, the “Financial Information”): (i) a pro-forma
Balance Sheet WLC — Wireline Communications and a pro-forma P&L WLC of the Wireline Communications
Business as of and for the fiscal year ended September 30, 2008; and (ii) a pro-forma Balance Sheet
WLC — Wireline Communications and the P&L WLC of the Wireline Communications Business as of and for
the six months ended March 31, 2009.

     (b) The Financial Information is consistent with the books and records of the Seller and the
Affiliates of Seller, subject to the assumptions reasonably applied by Seller, at the time of
preparation of the respective Financial Information, reflecting the composition of the Wireline
Communications Business at such time, and has been prepared in accordance with the internal
allocation principles applied by Seller and, in line with material principles of IFRS, applied on a
consistent basis throughout the periods covered, subject to year-end adjustments (in the case of
interim financial information) consistent with past practice and the absence of certain footnotes
required by IFRS. Seller’s accounting system from which the Financial Information has been derived
has been maintained in accordance with sound business practices of Seller. The Buyer has been made
aware that the Financial Information is following the practice of Sellers segment reporting and the
balance sheet reflects only those assets and liabilities as they are assigned to the division
Wireline Communications in accordance with the Seller’s reporting structure. Buyer is aware that
neither assets nor liabilities as reported in the Financial Information reflect the balances of pro
forma carved-out Wireline Communications Business.

     (c) Inventories included in the Financial Information include all tested wafers, all backend
work in process and all finished products of the Wireline Communications Business except of those
unfinished products that are recorded under the Cluster Operations (named “die bank at SiFO” in
Seller’s nomenclature). The net inventories are presented net of required and appropriate reserves
and allowances and are prepared in line with material principles of IFRS as applied by Seller on a
consistent basis throughout the periods covered.

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     3.21 Solvency

     Neither Seller nor any of its Subsidiaries is insolvent and none of them will be rendered
insolvent by the transactions contemplated hereunder. Seller has obtained an opinion from Deloitte
as to the fairness from a financial point of view as to the transactions contemplated by this
Agreement.

     3.22 No Other Representations or Warranties

     (a) Except for the representations and warranties contained in this Section 3:

None of Seller or any Affiliate of Seller is making or granting any representation or warranty and
Seller hereby disclaims any other representation or warranty, whether made by Seller or any
Affiliate of Seller or any of their respective directors or officers, employees, agents or
representatives with respect to the Wireline Communications Business, the execution of this
Agreement or the transactions contemplated thereunder, and in particular and without limiting the
generality of the foregoing Buyer acknowledges that Seller makes no representation or warranty with
respect to

          (i) any projections, estimates or budgets delivered or made available to Buyer, its Affiliates
or Buyer’s or one of its Affiliate’s directors, officers, employees, agents, representatives or
advisors, or any future revenues, future results of operations (or any component thereof), future
cash flows, future financial condition (or any component thereof) or the future business and
operations of the Wireline Communications Business; and

          (ii) any other information or documents made available to Buyer or its representatives with
respect to the Wireline Communications Business, except as expressly set forth in this Agreement.

     (b) The parties agree and acknowledge that the representations and warranties contained in
this Section 3 do not qualify as guarantees (Beschaffenheitsgarantien) within the meaning
of Section 443 BGB and Section 444 BGB, and that the consequences of any breaches of Seller’s
representations and warranties contained in this Section 3 shall, to the extent permitted
by applicable Laws, be governed exclusively by the terms and conditions of this Agreement.

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4. Representations and Warranties of Buyer

     Buyer hereby represents and warrants (garantiert) to Seller by way of an independent promise
of guarantee (selbständiges Garantieversprechen) within the meaning of Section 311 (1) BGB that the
statements set forth in this Section 4 are true and correct in all material respects and
are not misleading, in each case as of the date hereof and as of the Closing Date, unless a certain
representation or warranty is made as of a different date.

     4.1 Organization and Qualification

     Buyer is, and on the Closing Date will be, a company incorporated as a société à responsabilité
limitée, existing under the laws of the Grand Duchy of Luxembourg. Buyer
has, and on the Closing Date will have, all requisite corporate power and authority to operate its
business as currently conducted by it. Each Buyer Designee is, and on the Closing Date will be,
duly organized and validly existing under the Laws of its jurisdiction of organization and has, and
on the Closing Date will have, all requisite corporate power and authority to operate its business
as currently conducted by it.

     4.2 Authorization; Binding Effect

     (a) Each of Buyer and any Buyer Designee has all requisite corporate power and authority to
execute, deliver and perform this Agreement and the Collateral Agreements to which it will be a
party, as the case may be, and to effect the transactions contemplated hereby and thereby, and the
execution, delivery and performance of this Agreement and the Collateral Agreements by Buyer or
Buyer Designee has been duly authorized by all requisite corporate action.

     (b) This Agreement has been duly executed and delivered by Buyer and this Agreement is, and
the Collateral Agreements to which Buyer or a Buyer Designee will be a party when duly executed and
delivered by Buyer or such Buyer Designee will be, valid and legally binding obligations of Buyer
or such Buyer Designee, enforceable against Buyer or such Buyer Designee, as applicable, in
accordance with their respective terms, except to the extent that enforcement of the rights and
remedies created hereby and thereby may be affected by bankruptcy, reorganization, moratorium,
insolvency and similar Laws of general application affecting the rights and remedies of creditors.

     4.3 Non-Contravention

     The execution, delivery and performance of this Agreement and the Collateral Agreements by
Buyer or any Buyer Designee and the consummation of the transactions contemplated hereby and
thereby do not and will not (i) result in a breach or violation of, or conflict with, any provision
of Buyer’s or the applicable Buyer Designee’s charter, by-laws or similar organizational document,
or (ii) violate any applicable Law, order, judgment,

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decree, rule or regulation of any court or any
Governmental Body having jurisdiction over Buyer or any applicable Buyer Designee, except any such
conflict or violation that would not result in any prohibition, restriction or delay, in any
material respect, of the performance of Buyer of its obligations hereunder or under any of the
Collateral Agreements.

     4.4 Brokers

     None of Buyer or any Affiliate of Buyer have any liability to pay any fees or commissions to
any broker, advisor, or agent with respect to sale of the Wireline Communications Business, the
execution of this Agreement or the transactions contemplated hereunder, in each case for which
Seller could become liable or obligated.

     4.5 No Inducement or Reliance; Independent Assessment

     (a) With respect to the Wireline Communications Business and any other rights or obligations
to be transferred hereunder or under the Collateral Agreements or pursuant hereto or thereto, Buyer
has not been induced by and has not relied upon any representations, warranties or statements,
whether express or implied, made by Seller, any Affiliate of Seller, or any agent, employee,
attorney or other representative of Seller or by any other Person representing or purporting to
represent Seller that are not expressly set forth in this Agreement or in the Collateral Agreements
(including the Schedules and Exhibits hereto and thereto), whether or not any such representations,
warranties or statements were made in writing or orally, and none of Seller, any Affiliate of
Seller, or any agent, employee, attorney, other representative of Seller or other Person shall have
or be subject to any liability to Buyer or any other Person resulting from the distribution to
Buyer, or Buyer’s use of, any such information, including any information, documents or material
made available in any data rooms or management presentations or in any other form in expectation of
the transactions contemplated hereby.

     (b) Buyer acknowledges that it has made its own assessment of the present condition and the
future prospects of the Wireline Communications Business and is sufficiently experienced to make an
informed judgment with respect thereto. Buyer further acknowledges that neither Seller nor any
Affiliate of Seller has made any warranty, express or implied, as to the future prospects of the
Wireline Communications Business or its profitability for Buyer, or with respect to any forecasts,
projections or plans of the Wireline Communications Business prepared by or on behalf of Seller and
delivered to Buyer, its Affiliates or Buyer’s or one of its Affiliate’s directors, officers,
employees, agents, representatives or advisors in connection with the Wireline Communications
Business and the negotiation and the execution of this Agreement.

     (c) For the avoidance of doubt, the express representations and warranties pursuant to this
Section 4 shall remain unaffected.

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     4.6 Sufficiency of Funds

     Buyer (i) on the Closing Date will have sufficient funds available to pay the Purchase Price
and any expenses incurred by Buyer in connection with the transactions contemplated by this
Agreement and the Collateral Agreements and (ii) on the Closing Date will have available additional
liquid funds in the amount of at least € 25,000,000 (in words: Twenty-five Million Euros) (less the
amount of any transfer taxes and/or [**] for which Buyer is responsible
pursuant to this Agreement and has paid as of the Closing Date).

     4.7 No Other Representations or Warranties

     Except for the representations and warranties contained in this Section 4, none of Buyer or
any Affiliate of Buyer makes or grants any representations or warranties and Buyer hereby disclaims
any other representations or warranties, whether made by Buyer or any Affiliate of Buyer or any of
their respective directors or officers, employees, agents or representations with respect to the
execution of this Agreement or the transactions contemplated thereunder.

5. Certain Pre-Closing Covenants

     5.1 Access to Information

     Seller shall give, or cause its Affiliates to give, to Buyer and its Affiliates, and their
respective officers, employees, accountants, counsel and other representatives, reasonable access
during Seller’s or the applicable Affiliate’s normal business hours throughout the period prior to
the Closing to all of Seller’s or the applicable Affiliate’s properties, books, reports of
examination and records relating exclusively to the Wireline Communications Business, the Purchased
Contracts, the Purchased Assets, the Purchased Liabilities and the Business Employees (subject to
any limitations that are reasonably required to preserve any applicable attorney-client privilege
or legal or contractual Third-Party confidentiality obligation). Seller shall assist, and shall
cause its Affiliates to assist, Buyer and its Affiliates in making such investigation. Seller
shall provide to Buyer written notice within five (5) Business Days prior to the Closing Date of
any material changes or developments occurring following the date of this Agreement that would be
relevant as of the Closing Date with respect to the representations and warranties set forth in
Section 3.8, Section 3.11 or Section 3.12 (except for second sentence of
Section 3.12(a)) as if made as of the Closing Date. For the purpose of this notice, Seller shall
also disclose such material changes or developments which become Seller’s Knowledge after the date
hereof but prior to the Closing Date (assuming solely for the purposes of this sentence that the
definition of “Knowledge” was determined as of the Closing Date rather than the date of this
Agreement). For the avoidance

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of doubt, a notice pursuant to the preceding sentences does in no way
constitute a representation and warranty.

     5.2 Conduct of the Wireline Communications Business

     From the date of this Agreement and up to and including the Closing Date, except as otherwise
contemplated by this Agreement (including Section 5.9) or as Buyer shall otherwise consent
to in writing, Seller and each of the Subsidiaries, with respect to the Wireline Communications
Business:

     (a) will carry on the Wireline Communications Business in the Ordinary Course of Business and,
to the extent consistent therewith, use their Reasonable Commercial Efforts to keep intact the
Wireline Communications Business, keep available the services of the Business Employees and
preserve the relationships of the Wireline Communications Business with customers, suppliers,
licensors, licensees, distributors and others that have a business relationship with the Wireline
Communications Business;

     (b) will not permit, other than as may be required by Law or a Governmental Body, all or any
of the Purchased Assets to be sold, licensed, disposed of, or subjected to any Encumbrance, except
in the Ordinary Course of Business;

     (c) will not acquire any asset that will be a Purchased Asset, except in the Ordinary Course
of Business;

     (d) will not enter into, terminate, extend or modify any Purchased Contract that is material
to the Wireline Communications Business, except in the Ordinary Course of Business;

     (e) will not incur or assume any liabilities, obligations or indebtedness for borrowed money,
other than in the Ordinary Course of Business or those that will constitute Excluded Liabilities;

     (f) will not enter into any compromise or settlement of any Proceeding relating primarily to
the Wireline Communications Business, unless the subject matter of such Proceeding only relates to
Excluded Liabilities;

     (g) will not sell, assign, pledge, encumber, lease or otherwise dispose of any of the
Purchased Assets (other than Purchased Intellectual Property) other than in the Ordinary Course of
Business;

     (h) will not license or otherwise dispose of any Purchased Intellectual Property other than
(x) licenses granted in the Ordinary Course of Business, (y) to an Affiliate of Seller which
Affiliate will thereupon become a Subsidiary or (z) in connection with the

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settlement of patent
infringement litigation, provided that any such settlement agreement (i) shall not impose any
obligations on Buyer, financial or otherwise, except for the licensing of the Purchased
Intellectual Property on a non-exclusive basis, (ii) shall permit the assignment of such settlement
agreement in whole or in part to Buyer in connection with the transactions contemplated by this
Agreement and (iii) shall not restrict, or be subject to termination or other amendment resulting
in a reduction of rights with respect to the Wireline Communications Business, as a result of, any
future corporate reorganizations, mergers or other similar transactions in which Buyer may engage
following the Closing Date;

     (i) (x) will not implement any plant closing or layoff of employees in the Wireline
Communications Business (except for termination for cause (wichtiger Grund) or behavioral or
personal problems (verhaltensbedingte or personenbedingte Kuendigung)) where Buyer would assume any
resultant liability under Law in respect of such plant closing or layoff; (y) will, upon request by
Buyer and with respect to any Transferred Employee (excluding, however, any German Employee
Transferred By Law and any Austrian Employee Transferred By Law), terminate any arrangements
providing for the implementation of short-time working (Kurzarbeit) or unpaid leave (unbezahlter
Urlaub) with effect as of the Closing Date at the latest; and (z) will not take any measures
obligating or entitling any Transferred Employee (excluding, however, any German Employee
Transferred By Law and any Austrian Employee Transferred By Law) to any such short-time working or
unpaid leave for time periods after Closing.

     (j) other than as permitted by Section 5.4(b)(v), (x) will not enter into any
employment contract (including early retirement arrangements) with any Business Employee or
terminate the employment of any Business Employee (except for termination for cause (wichtiger
Grund) or behavioral or personal problems (verhaltensbedingte or personenbedingte Kuendigung)), (y)
will not increase or decrease the salaries, wages or other compensation or benefits provided to any
Business Employee, in each case unless provided for in the employment or service agreement of the
respective Business Employee or consultant existing as of the date of this Agreement, and (z) will
not amend the notice period of any Business Employee; and

     (k) will not enter into any agreement or commitment with respect to any of the foregoing
(except as required in subsection (a)).

     5.3 Tax Reporting; Allocation of Consideration

     (a) Seller and Buyer agree and acknowledge that (i) Seller will be responsible for and will
perform all Tax withholding, payment and reporting duties with respect to any wages and other
compensation paid by Seller or a Subsidiary to any Business Employee in connection with the
operation or conduct of the Wireline Communications Business for any Pre-Closing Tax Period, and
(ii) Buyer will be responsible for and will perform all Tax

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withholding, payment and reporting
duties with respect to any wages and other compensation paid by Buyer to any Transferred Employee
with respect any Post-Closing Tax Period. For the avoidance of doubt, nothing in this Section 5.3
(a) is intended to modify or adjust the substantive liability of Buyer and Seller under this
Agreement with respect to the Taxes described in this Section 5.3 (a).

     (b) Between the date hereof and the Closing Date, Buyer and Seller shall prepare and agree
reasonably and in good faith on an allocation of the Purchase Price (“Purchase Price
Allocation”) on an asset-by-asset and entity-by entity basis which allocation shall be used to
make (i) the necessary determinations for VAT purposes pursuant to Section 2.6(a)
and (ii) purchase price allocations necessary for other Tax and statutory accounting purposes.
The parties will use reasonable efforts to finalize such Purchase Price Allocation not later than
20 days prior to the envisaged Closing Date. Any adjustment of the Preliminary Purchase Price after
Closing shall be properly reflected in the Purchase Price Allocation and the parties shall
cooperate to update Schedule 5.3(b) accordingly. The parties covenant and agree that (i) the
Purchase Price Allocation shall be determined consistent with an arm’s length negotiation; and (ii)
they shall file their Tax Returns in accordance with such Purchase Price Allocation.

     5.4 Business Employees

     (a) General Principles

          (i) Seller and Buyer agree and acknowledge that the employment relationships of the Business
Employees are governed by the Laws of various jurisdictions and that the transfer of the Business
Employees from Seller and the Subsidiaries to Buyer or a Buyer Designee as contemplated by this
Section 5.4 is subject to different legal requirements depending on the jurisdiction by
which the employment relationship of the respective Business Employee is governed. Irrespective of
the various obligations which are set forth in this Agreement and in particular in this Section
5.4, Seller shall, subject to Section 5.4(b)(v), undertake all actions which may be
reasonably required to effect the transfer of the Business Employees to Buyer or a Buyer Designee,
and Buyer shall reasonably cooperate therewith. In connection with the transfer of the Business
Employees to Buyer or a Buyer Designee, each Party shall comply with all applicable Laws and any
written agreement with any relevant trade union, works council, other employee representative body,
or individual Business Employees. For the avoidance of doubt: Sections 8.2(a)(ii) and
8.2(b)(ii) shall apply.

          (ii) In the event that certain Business Employees object to the transfer of their employment
relationship to, or do not agree to the assumption of their employment relationship by Buyer or a
Buyer Designee, Seller shall be entitled to substitute the respective objecting or not agreeing
employee prior to Closing only with another employee with the
approval of Mr. [**] (acting without instructions from Seller or its

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Affiliates) or the Buyer (such approved employees
the “Substituted Employees”). For the purposes of this Agreement, any such Substituted
Employees shall also constitute Business Employees. In the event that fewer than the total amount
of Business Employees transfer to Buyer, Seller shall provide Buyer, as of the Closing and in
accordance with the terms and conditions of the Transitional Service Agreement, with those services
which are usually rendered to the Wireline Communications Business by such employees. Buyer shall
be obliged to accept such services from Seller subject to the terms and conditions of the
Transitional Service Agreement for a period of at least three months following the Closing Date, if
and to the extent Buyer does not notify Seller prior to the Closing Date that it shall not need any
such services.

          (iii) Each party agrees to provide the other party with information reasonably required by the
other party to (x) comply with any legal requirement (whether statutory or pursuant to any written
agreement with any relevant trade union, works council or other employee representative body) in
respect of the contemplated transfer of the Business Employee to Buyer or a Buyer Designee, and (y)
inform, consult or negotiate with or seek consent from its employees, relevant trade unions,
relevant works councils or any other employee representative body in relation to this Agreement and
the transaction contemplated thereby.

          (iv) Unless otherwise agreed in each particular instance, each party shall at all times
between the date hereof and the Closing Date refrain from any communication with any Business
Employee or Third Party which is capable or intended to cause, provoke or encourage a Business
Employee to object to the transfer of his employment relationship to Buyer or a Buyer Designee or
to reject Buyer’s or a Buyer’s Designee’s offer of employment, as the case may be.

          (v) Buyer agrees to have been fully compensated for the assumption of any employment
liabilities with respect to the German Transferred Employees and the Austrian Transferred
Employees, including those which are reflected in the Purchased Liabilities Value pursuant to
Section 2.5(b)(ii) and those line items which are defined as Calculation Exclusions in
Section 2.5(b)(ii); provided that the foregoing does not derogate from any of the
representations, warranties or other express provisions of this Agreement.

     (b) German Business Employees

          (i) Seller and Buyer assume that the consummation of the transactions contemplated by this
Agreement constitutes a transfer of undertaking (Betriebsübergang) pursuant to Section 613a BGB for
certain of the Business Employees which are employed by Seller in Germany and which are set forth
on Schedule 5.4(b)(i) (the “German Employees To Be Transferred By Law”). As a
consequence, the employment relationships between Seller and the German Employees To Be Transferred
By Law will transfer to Buyer by operation of law on the Closing Date, except for the employment
relationships with those

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German Employees To Be Transferred By Law who object to the transfer of
their employment relationship pursuant to Section 613a (6) BGB (the “German Employees
Transferred By Law”).

          (ii) Within twenty (20) Business Days after the date on which Seller has finalized the
negotiations with Seller’s competent works councils (Betriebsräte) with respect to the balancing of
interest (Interessenausgleich) procedures which are required to consummate the transactions
contemplated by this Agreement (the “Balancing of Interest Procedures”), Seller and Buyer
shall jointly notify the German Employees To Be Transferred By Law in accordance with the
requirements of Section 613a (5) BGB by written notice. A
first draft form of such written notice is set forth in Exhibit I. As soon as the
Balancing of Interests procedures have been terminated (unmittelbar nach Abschluss des
Interessenausgleichsverfahrens), Seller shall finalize the wording of the written notice for all
relevant groups of German Employees To Be Transferred By Law in close co-operation and good faith
discussions with Buyer. The notice shall set a time limit of one (1) month within which each German
Employee To Be Transferred By Law must inform Seller or Buyer in writing if the respective employee
objects to the transfer of its employment relationship to Buyer. Each party shall, without undue
delay after the date hereof, furnish the other party with sufficient and correct information as
required by Laws to fulfill the providing party’s information obligations towards the German
Employee To Be Transferred By Law. Each party shall inform the other party of any notice of
objection (Widerspruch) which it has received from a German Employee To Be Transferred By Law.
Buyer shall indemnify Seller from and against any liabilities, claims and costs incurred or
suffered by Seller as a result of any failure by Buyer to provide sufficient and correct
information for (i) the notification of the German Employees To Be Transferred By Law in accordance
with this Section 5.4(b)(ii), (ii) the Balancing of Interests Procedures, and/or (iii) the
information of the Economic Advisory Committee (Wirtschaftsausschuss), in each case to the extent
Seller is required by Law to provide such information and has informed Buyer beforehand that it
will provide such information.

          (iii) [Intentionally left blank]

          (iv) Seller and Buyer acknowledge that the consummation of the transactions contemplated by
this Agreement does not constitute a transfer of undertaking (Betriebsübergang) pursuant to Section
613a BGB for the Business Employees which are employed by Seller in Germany and which are set forth
on Schedule 5.4(b)(iv) (collectively, and together with the German Substituted Employees,
but excluding any such employees who have been substituted, the “Other German Employees”).
On the same date on which the German Employees To Be Transferred By Law are notified pursuant to
Section 5.4(b)(ii), Buyer and Seller shall offer to each Other German Employee to enter into a
tripartite agreement substantially in the form as attached hereto as Exhibit J according to
which Buyer shall assume, subject to Closing, by way of an assumption of contract with full
discharge of Seller (im Wege der Vertragsübernahme mit befreiender Wirkung) all rights and
obligations resulting from the respective Other German Employee’s employment relationship with

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Seller. Buyer shall assume the individual employment relationship between Seller and the respective
Other German Employee subject to the same terms and conditions as applicable to such Other German
Employee at the Closing Date, including such terms and conditions which apply under relevant
collective labor agreements (including shop agreements (Betriebsvereinbarungen) and collective
bargaining agreements (Tarifverträge)). In case such an offer by Buyer to assume the existing
employment relationship between Seller and an Other German Employee is accepted by such Other
German Employee, the parties agree that the responsibility for the liabilities and obligations
under the respective employment agreement shall be allocated between them as if the respective
employment relationship had
been transferred to Buyer pursuant to Section 613a BGB and that, in particular, Section
2.3(a)(i) shall apply to the transfer of the employment relationship of the respective Other
German Employee to Buyer mutatis mutandis. If contrary to the expectations of Seller and Buyer the
consummation of the transactions contemplated by this Agreement should not constitute a transfer of
undertaking (Betriebsübergang) with respect to all or some of the German Employees To Be
Transferred by Law, Buyer’s obligations as per this Section 5.4(b)(iv) shall also apply to
such German Employees To Be Transferred by Law. The German Employees Transferred By Law together
with the Other German Employees who agree to the assumption of their employment relationship by
Buyer are collectively referred to as the “German Transferred Employees”. For the avoidance
of doubt, any German employees whose employment agreement has or will have been terminated with
effect prior to the Closing Date by Seller or the respective employee for whatever reason shall not
constitute German Transferred Employees.

          (v) Buyer has no obligation to agree with any commitments with respect to the German Business
Employees that may be required or useful to reach an agreement with Seller’s work councils
(Betriebsräte) on the Balancing of Interest Procedures or is in any way in connection therewith.
Seller and its Affiliates shall not agree in the Balancing of Interest Procedures or in connection
therewith on any measure that would result in any liability or obligation of Buyer or a Buyer
Designee.

          (vi) In the event that a German employee other than a German Employee To Be Transferred By Law
alleges that his or her employment relationship has been transferred to Buyer by operation of law
(such employee a “German Alleged Employee To Be Transferred by Law”), Buyer shall, without
undue delay, give notice of termination (as a precaution) to such employee, unless it retains him
or her voluntarily as an employee of Buyer. In the event that such employee raises a claim against
Buyer before a labor court alleging that (w) his or her employment relationship has been
transferred to Buyer by operation of law; and/or (x) the termination issued by Buyer to such
employee has been unlawful, Seller shall indemnify and compensate Buyer from and against certain
Losses only in the following cases and only to the following extent:

               (w) 613a Dispute.

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                    In the event that a German Alleged Employee To Be Transferred by Law raises a claim against
Buyer before a labor court alleging that his or her employment relationship has been transferred to
Buyer by operation of law (the “613a Dispute”),
Seller shall [**]

               (x) Proceedings for Unlawful Dismissal.

                    In the event that a German Alleged Employee To Be Transferred by Law, who alleged that his or
her employment relationship has been transferred to Buyer by operation of law and afterwards has
been terminated by Buyer (as a precaution and as outlined above), raises a claim against Buyer
before a labor court alleging that the termination issued by Buyer has been unlawful (the
“Proceedings for Unlawful Dismissal”), Seller shall be obliged to indemnify and compensate
Buyer for all reasonable attorney’s fees incurred by Buyer out of or in connection with such
Proceedings for Unlawful Dismissal. For the avoidance of doubts, for the period after a final and
binding court order in the 613a Dispute, such employee’s total salary shall be borne by Buyer.

               (y) No Compensation in the event of Employment by Buyer.

                    For the avoidance of doubt: If and to the extent that the German Alleged Employee To Be
Transferred By Law was retained as an employee by Buyer voluntarily, Seller shall not indemnify and
compensate Buyer from and against attorney’s fees or salary of such employee.

               (z) In-court or Out-of-court Settlements.

          In the event of a 613a Dispute or Proceedings for Unlawful Dismissal as described in (w) and
(x) above, Buyer shall, without undue delay, forward to Seller all material in-court and
out-of-court correspondence, to the extent permitted by Law. Buyer shall discuss in good faith with
Seller whether and at which terms to enter into any in-court or out-of-court settlements with the
German Alleged Employee To Be Transferred by Law in connection with the 613a Dispute, Proceedings
for Unlawful Dismissal or such employee’s assertion that his or her employment relationship has
been transferred to Buyer by operation of law; provided, however, that such settlement shall not
require the consent of Seller. In the event of such settlement, Seller and Buyer shall each bear
50% of the costs arising under such settlement, excluding, however, any reasonable attorney’s fees
and total salary, which shall be borne in any event as provided for in this Section
5.4(b)(vi).

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          (vii) As regards pensions and early retirement arrangements, Section 5.4(l) shall
apply.

     (c) Austrian Business Employees

          (i) Seller and Buyer assume that the consummation of the transactions contemplated by this
Agreement constitutes a transfer of undertaking (Betriebsübergang)
pursuant to Section 3(1) AVRAG for certain Business Employees which are employed by Infineon
Technologies Austria AG (the “Austrian Seller”) in Austria and which are set forth on
Schedule 5.4(c)(i) (collectively, the “Austrian Employees To Be Transferred By
Law”). As a consequence, the employment relationships between the Austrian Seller and the
Austrian Employees To Be Transferred By Law will transfer to Buyer by operation of law on the
Closing Date, except for the employment relationships with those Austrian Employees To Be
Transferred By Law who object to the transfer of their employment relationship pursuant to Section
3(4) AVRAG (the “Austrian Employees Transferred By Law”). As a consequence, Buyer
guarantees to assume as of the Closing Date the employment agreements between the Austrian Seller
and the Austrian Employees Transferred By Law with all rights and obligations under the relevant
employment agreements, including any severance payments (Beendigungsabfertigungsansprüche), working
time accounts (Zeitkonten), early retirement (Altersteilzeit), jubilee payments
(Jubiläumszahlungen), pension claims and the rights under all collective bargaining agreements
which apply to the Austrian Employees Transferred By Law and which are in effect on the Closing
Date.

          (ii) On the same date on which the German Employees To Be Transferred By Law are notified
pursuant to Section 5.4(b)(ii), Austrian Seller and Buyer shall jointly notify the Austrian
Employees To Be Transferred By Law in accordance with the requirements of Section 3a AVRAG. A first
draft form of such written notice is set forth in Exhibit K-1. Immediately after the date
hereof, Austrian Seller shall finalize the wording of the written notice for all relevant groups of
Austrian Employees To Be Transferred By Law in close co-operation and good faith discussions with
Buyer. Each party shall, without undue delay after the date hereof, furnish the other party with
sufficient and correct information as required by Laws to fulfill the providing party’s information
obligations towards the Austrian Employees To Be Transferred By Law. Buyer shall indemnify Seller
from and against any liabilities, claims and costs incurred or suffered by Seller as a result of
any failure by Buyer to provide sufficient and correct information for the notification of the
Austrian Employees To Be Transferred By Law in accordance with this Section 5.4(c)(ii), in
each case to the extent Seller is required by Law to provide such information and has informed
Buyer beforehand that it will provide such information.

          (iii) Buyer agrees to refrain from creating a situation in which the Austrian Employees To Be
Transferred By Law would be entitled to object to the transfer of their

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employment relationships
pursuant to Section 3(4) AVRAG, and, in addition to Seller’s remedies pursuant to Section 5.4(a),
Buyer agrees to indemnify Seller and Seller’s Affiliates against, and to hold Seller and Seller’s
Affiliates harmless for, (x) any salaries, benefits, employer’s portions of social security
contributions (Arbeitgeberbeiträge zur Sozialversicherung) or severance payment payable to or in
favor of any Austrian Employees To Be Transferred By Law who have objected to the transfer of their
employment relationships to Buyer in accordance with Section 3(4) AVRAG as well as any other
claims, damages and losses incurred by Seller or Seller’s Affiliates in connection with Buyer’s
non-
compliance with this Section 5.4(c)(iii), and (y) any claims of the Austrian Employee To Be
Transferred By Law pursuant to Section 6 AVRAG, if any.

          (iv) With regard to pension claims of the Austrian Employees To Be Transferred By Law, the
parties shall within 14 days after the date hereof jointly inform Infineon Technologies Austria
Pensionskasse AG of the transaction contemplated hereunder. Buyer shall use Reasonable Commercial
Efforts to choose without undue delay after the Closing Date, at the latest until January 31, 2010,
a new pension fund (Pensionskasse) at terms and conditions being substantially similar to the
respective existing pension fund agreements between Austrian Seller and Infineon Technologies
Austria Pensionskasse AG and notify the Austrian Seller thereof. Austrian Seller shall apply
Reasonable Commercial Efforts to facilitate the smooth transfer of the accrued pension contribution
in respect of the Austrian Transferred Employees and the Infineon Technologies Austria
Pensionskasse AG to the pension fund chosen by Buyer. In the event that conclusion of such new
pension fund agreements or such transfer of the accrued pension contributions also requires the
consent of the respective Austrian Transferred Employees or any other Third Party, Buyer and
Austrian Seller shall co-operate in good faith and use Reasonable Commercial Efforts in order to
obtain such consent. Austrian Seller shall use Reasonable Commercial Efforts, also after the
Closing Date, to assist Buyer with entering into respective agreements in accordance with this
provision.

          (v) Seller, Austrian Seller and Buyer acknowledge that the consummation of the transactions
contemplated by this Agreement does not constitute a transfer of undertaking (Betriebsübergang)
pursuant to Section 3(1) AVRAG for the Business Employees which are employed by Austrian Seller in
Austria and which are set forth on Schedule 5.4(c)(v) (collectively, and together with the
Austrian Substituted Employees, but excluding any such employees who have been substituted, the
“Other Austrian Employees”). On the same date on which the German Employees To Be
Transferred By Law are notified pursuant to Section 5.4(b)(ii), Buyer and Austrian Seller shall
offer to each Other Austrian Employee to enter into a tripartite agreement substantially in the
form as attached hereto as Exhibit K-2 according to which Buyer shall assume, subject to
Closing, by way of an assumption of contract with full discharge of Austrian Seller (im Wege der
Vertragsübernahme mit befreiender Wirkung) all rights and obligations resulting from the respective
Other Austrian Employee’s employment relationship with Austrian Seller. Buyer shall assume the
individual employment relationship between Austrian Seller and an the

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respective Other Austrian
Employee subject to the same terms and conditions as applicable to such Other Austrian Employee at
the Closing Date, including such terms and conditions which apply under relevant collective labor
agreements (including shop agreements (Betriebsvereinbarungen) and collective bargaining agreements
(Kollektivverträge)). In case such an offer by Buyer to assume the existing employment relationship
between Austrian Seller and an Other Austrian Employee is accepted by such Other Austrian Employee,
the parties agree that the responsibility for the liabilities and obligations under the respective
employment agreement shall be allocated between them as if the respective employment
relationship had been transferred to Buyer pursuant to Section 3(1) AVRAG and that, in
particular, Section 2.3(a)(i) shall apply to the transfer of the employment relationship of
the respective Other Austrian Employee to Buyer mutatis mutandis. If contrary to the expectations
of Austrian Seller and Buyer the consummation of the transactions contemplated by this Agreement
should not constitute a transfer of undertaking (Betriebsübergang) with respect to all or some of
the Austrian Employees To Be Transferred by Law, Buyer’s obligations as per this Section
5.4(c)(v) shall also apply to such Austrian Employees To Be Transferred by Law. The Austrian
Employees Transferred By Law together with the Other Austrian Employees who agree to the assumption
of their employment relationship by Buyer are collectively referred to as the “Austrian
Transferred Employees”. For the avoidance of doubt, any Austrian employees whose employment
relationship has or will have been terminated with effect prior to the Closing Date by Austrian
Seller or the respective employee for whatever reason shall not constitute Austrian Transferred
Employees.

          (vi) Buyer has no obligation to agree with any commitments with respect to the Austrian
Business Employees that may be required or useful to reach an agreement with Seller’s or Austrian
Seller’s work councils or unions in connection with the transactions contemplated under or in
connection with this Agreement. Seller and its Affiliates shall not agree in such proceedings or in
connection therewith on any measure that would result in any liability or obligation of Buyer or a
Buyer Designee.

          (vii) In the event that an Austrian employee other than an Austrian Employee To Be Transferred
By Law alleges that his or her employment relationship has been transferred to Buyer by operation
of law, Section 5.4(b)(vi) shall apply mutatis mutandis.

     (d) US Employees

          (i) On the same date on which the German Employees To Be Transferred By Law are notified
pursuant to Section 5.4(b)(ii), Buyer shall make offers of employment to the Business Employees who
are employed by Infineon Technologies North America Corp. (the “US Seller”) and who are
listed on Schedule 5.4(d)(i) (the “US Business Employees”). Seller shall cooperate
and
assist, and shall cause US Seller to cooperate and

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assist, in facilitating the Buyer’s offers.
Employment with Buyer or a Buyer Designee of US Employees who have accepted Buyer’s offer of
employment (together with the US-American Substituted Employees, but excluding any such employees
who have been substituted, the “US Transferred Employees”) shall be effective as of the day
following the close of business on the Closing Date.

          (ii) Buyer shall offer to each US Business Employee, and shall provide to each US Transferred
Employee during such employee’s employment, until September 30,
2010, compensation that, in the aggregate, is no less favorable (or substantially similar in
the aggregate) than that provided by US Seller to such US Business Employee immediately prior to
the Closing Date. Buyer shall offer to each US Business Employee, and provide to each US
Transferred Employee, employee benefits that, in the aggregate, are substantially similar
(excluding existing equity arrangements, defined benefit plans, retiree medical plans and
non-qualified deferred compensation) to what the respective US Business Employee receives at the
date at which Buyer makes its offer of employment to such Business Employee. Except as expressly
set forth in this Section 5.4, no assets of any Benefit Plan shall be transferred to Buyer
or any Affiliate of Buyer. Each Benefit Plan of Buyer or an Affiliate of Buyer shall use Reasonable
Commercial Efforts to recognize (x) for purposes of satisfying any deductibles, co-pays and
out-of-pocket maximums during the coverage period that includes the Closing Date, any payment made
by any US Transferred Employees towards deductibles, co-pays and out-of-pocket maximums in any
group health Benefit Plan, and (y) for purposes of determining eligibility to participate, vesting
and for any severance benefits or future vacation accruals based on service, all service with
Seller or a Subsidiary, including service with predecessor employers that was recognized by Seller
or a Subsidiary for such purposes, provided that such service shall not be recognized to the extent
such recognition would result in a duplication of benefits. Buyer or the applicable Buyer Designee
will continue to provide (xx) green card, H1B and L1 visa services and assistance to those US
Transferred Employees receiving it as of the Closing Date and (yy) tuition assistance to those US
Transferred Employees who are receiving such benefits as of the Closing Date for the current
academic session, in each case as set forth on Schedule 5.4(d)(ii).

          (iii) Notwithstanding anything to the contrary in this Agreement, Buyer shall provide
severance benefits to US Transferred Employees whose employment is terminated by Buyer without
cause on or before December 31, 2010 and such severance pay shall be substantially equivalent to
the severance benefits that would have been payable to such US Transferred Employees immediately
prior to the Closing Date.

          (iv) Buyer and its Affiliate shall use Reasonable Commercial Efforts to cause their group
health Welfare Plans to waive any pre-existing condition exclusion (to the extent such exclusion
was waived under applicable group health Benefit
Plans offered to the US Transferred Employees by
Seller or a Subsidiary) and any proof of insurability. Seller or the applicable Subsidiary shall
remain responsible for any benefits payable under a Benefit

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Plan with respect to claims incurred by
US Transferred Employees prior to or on the Closing Date. Buyer and its Affiliates shall use
Reasonable Commercial Efforts to cause their medical and dental plans maintained for the benefit of
US Transferred Employees to cover US Transferred Employees, US Transferred Employees’ spouses and
dependents and same-sex domestic partners and their dependents.

          (v) Effective as of the Closing Date, Seller shall fully vest Transferred Employees in all of
their account balances under the US Seller’s 401(k) Plan. As soon as practicable following the
Closing Date, Buyer shall cause one or more defined contribution
savings plans intended to qualify under Section 401(a) and Section 401(k) of the Code (the
“Buyer Savings Plan”) to provide for the receipt of US Transferred Employees’ eligible
rollover distributions, in the form of cash and, to the extent permitted by the Buyer Savings Plan
and the US Seller’s 401(k) Plan, notes associated with plan loans, provided such rollovers are made
at the election of the US Transferred Employees and in accordance with the terms of the Buyer
Savings Plan.

          (vi) No later than five (5) Business Days prior to the Closing Date, Seller shall deliver to
Buyer a true and correct summary, for each US Transferred Employee, of all accrued paid time-off
under Seller’s respective policies through the Closing Date. Seller shall pay to each US
Transferred Employee on the Closing Date the amount set forth in such summary to “cash out” all
such accrued time-off and provide to Buyer confirmation of the amount and completion of such “cash
out” payment.

          (vii) The parties agree to cooperate in good faith to determine whether any notification may
be required under the Worker Adjustment and Retraining Notification Act and any similar state laws
(collectively, the “WARN Act”) as a result of the transactions contemplated by this
Agreement. Seller will be responsible for providing any notification that may be required under the
WARN Act with respect to any of its employees and will indemnify and hold harmless Buyer from and
against any losses that may be incurred under the WARN Act by Seller with respect to plant closings
or employee layoffs occurring before the Closing Date. Provided that on or before the Closing
Date, Seller has supplied Buyer with a list of employee layoffs, by date and location, implemented
by the Business in the 90-day period preceding Closing, Buyer will be responsible for providing any
notification that may be required under the WARN Act with respect to any US Transferred Employees
terminated after the Closing Date and will indemnify and hold harmless Seller from and against any
losses that may be incurred by Seller under the WARN Act with respect to the actions or omissions
of Buyer after the Closing.

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     (e) Singapore Employees

          (i) On the same date on which the German Employees To Be Transferred By Law are notified
pursuant to Section 5.4(b)(ii), Buyer shall make offers of employment to the Business Employees who
are employed by Infineon Technologies Asia Pacific Pte Ltd (the “Singapore Seller”) in
Singapore and who are listed on Schedule 5.4(e)(i) (the “Singapore Business
Employees”). Seller shall cooperate and assist, and shall cause Singapore Seller to cooperate
and assist, in facilitating Buyer’s offers. Employment with Buyer or a Buyer Designee of Singapore
Business Employees who have accepted Buyer’s offer of employment (together with the Singaporean
Substituted Employees, but excluding any such employees for which there was a substitution, the
“Singapore Transferred 
Employees”) shall be effective as of the day following the close of business on the
Closing Date.

          (ii) Buyer shall offer to each Singapore Business Employee, and shall provide to each
Singapore Transferred Employee during such employee’s employment, compensation that, in the
aggregate, is no less favorable (or substantially similar in the aggregate) than that provided by
Singapore Seller to such Singapore Business Employee immediately prior to the Closing Date. Buyer
shall offer to each Singapore Business Employee, and provide to each Singapore Transferred
Employee, employee benefits that, in the aggregate, are substantially similar (excluding existing
equity arrangements, defined benefit plans, retiree medical plans and non-qualified deferred
compensation) to what the respective Singapore Business Employee receives at the date at which
Buyer makes its offer of employment to such Business Employee. Except as expressly set forth in
this Section 5.4, no assets of any Benefit Plan shall be transferred to Buyer or any Affiliate of
Buyer. Each Benefit Plan of Buyer or an Affiliate of Buyer shall use Reasonable Commercial Efforts
to recognize (x) for purposes of satisfying any deductibles, co-pays and out-of-pocket maximums
during the coverage period that includes the Closing Date, any payment made by any Singapore
Transferred Employees towards deductibles, co-pays and out-of-pocket maximums in any group health
Benefit Plan, and (y) for purposes of determining eligibility to participate, vesting and for any
severance benefits or future vacation accruals based on service, all service with Seller or a
Subsidiary, including service with predecessor employers that was recognized by Seller or a
Subsidiary for such purposes.

          (iii) Notwithstanding anything to the contrary in this Agreement, Buyer shall provide
severance benefits substantially equivalent to the benefits provided by Singapore Seller to
Singapore Transferred Employees whose employment is terminated involuntarily by Buyer without cause
on or before December 31, 2010 and such severance pay shall be substantially equivalent to the
severance pay that would have been payable under the severance Benefit Plan applicable to such
Singapore Transferred Employees immediately prior to the Closing Date.

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          (iv) Buyer and Buyer Designees shall use Reasonable Commercial Efforts to cause their group
health Welfare Plans to waive any pre-existing condition exclusion (to the extent such exclusion
was waived under applicable group health Benefit Plans offered to the Singapore Transferred
Employees by Seller or a Subsidiary) and any proof of insurability. Seller or the applicable
Subsidiary shall remain responsible for any benefits payable under a Benefit Plan with respect to
claims incurred by Singapore Transferred Employees prior to or on the Closing Date. The Buyer shall
use Reasonable Commercial Efforts to cause the medical and dental plans maintained by Buyer and
Affiliates of Buyer to recognize as dependents of the Singapore Transferred Employees any
dependents recognized by Seller’s or the applicable Subsidiary’s medical and dental plans.

     (f) Indian Employees

          (i) On the same date on which the German Employees To Be Transferred By Law are notified
pursuant to Section 5.4(b)(ii) Buyer or the applicable Buyer Designee shall make offers of
employment to the Business Employees who are employed by Infineon Technologies India Pvt (the
“Indian Seller”) in India and who are listed on Schedule 5.4(f)(i) (the “Indian
Business Employees”). Seller shall cooperate and assist, and shall cause Indian Seller to
cooperate and assist, in facilitating the Buyer’s or the applicable Buyer Designee’s offers.
Employment with Buyer or a Buyer Designee of Indian Business Employees who have accepted
Buyer’s or the applicable Buyer Designee’s offer of employment (together with the Indian
Substituted Employees, but excluding any such employees for which there was a substitution, the
“Indian Transferred Employees”) shall be effective as of the day following the close of
business on the Closing Date.

          (ii) Buyer shall offer to each Indian Business Employee, and shall provide to each Indian
Transferred Employee during such employee’s employment, compensation that, in the aggregate, is no
less favorable (or substantially similar in the aggregate) than that provided by Indian Seller to
such Indian Business Employee immediately prior to the Closing Date. Buyer shall offer to each
Indian Business Employee, and provide to each Indian Transferred Employee, employee benefits that,
in the aggregate, are substantially similar (excluding existing equity arrangements, defined
benefit plans, retiree medical plans and non-qualified deferred compensation) to what the
respective Indian Business Employee receives at the date at which Buyer makes its offer of
employment to such Business Employee. Except as expressly set forth in this Section 5.4, no assets
of any Benefit Plan shall be transferred to Buyer or any Affiliate of Buyer. Each Benefit Plan of
Buyer or an Affiliate of Buyer shall use Reasonable Commercial Efforts to recognize (x) for
purposes of satisfying any deductibles, co-pays and out-of-pocket maximums during the coverage
period that includes the Closing Date, any payment made by any Indian Transferred Employees towards
deductibles, co-pays and out-of-pocket

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maximums in any group health Benefit Plan, and (y) for
purposes of determining eligibility to participate, vesting and for any severance benefits or
future vacation accruals based on service, all service with Seller or a Subsidiary, including
service with predecessor employers that was recognized by Seller or a Subsidiary for such purposes.

          (iii) Notwithstanding anything to the contrary in this Agreement, Buyer shall provide
severance benefits substantially equivalent to the benefits provided by Indian Seller to Indian
Transferred Employees whose employment is terminated involuntarily by Buyer without cause on or
before December 31, 2010 and such severance pay shall be substantially equivalent to the severance
pay that would have been payable under the
severance Benefit Plan applicable to such Indian Transferred Employees immediately prior to the
Closing Date.

          (iv) Buyer and Buyer Designees shall use Reasonable Commercial Efforts to cause their group
health Welfare Plans to waive any pre-existing condition exclusion (to the extent such exclusion
was waived under applicable group health Benefit Plans offered to the Indian Transferred Employees
by Seller or a Subsidiary) and any proof of insurability. Seller or the applicable Subsidiary shall
remain responsible for any benefits payable under a Benefit Plan with respect to claims incurred by
Indian Transferred Employees prior to or on the Closing Date. The Buyer shall use Reasonable
Commercial Efforts to cause the medical and dental plans maintained by Buyer and Affiliates of
Buyer to recognize as dependents of the Indian Transferred Employees any dependents recognized by
Seller’s or the applicable Subsidiary’s medical and dental plans.

     (g) Taiwanese Employees

          (i) On the same date on which the German Employees To Be Transferred By Law are notified
pursuant to Section 5.4(b)(ii), Buyer shall make offers of employment to the Business Employees who
are employed by Infineon Technologies Taiwan Co. Ltd. (the “Taiwanese Seller”) in Taiwan
and who are listed on Schedule 5.4(g)(i) (the “Taiwanese Business Employees”).
Seller shall cooperate and assist, and shall cause Taiwanese Seller to cooperate and assist, in
facilitating the Buyer’s offers. Employment with Buyer or a Buyer Designee of Taiwanese Business
Employees who have accepted Buyer’s offer of employment (together with the Taiwanese Substituted
Employees, but excluding any such employees for which there was a substitution, the “Taiwanese
Transferred Employees”) shall be effective as of the day following the close of business on the
Closing Date.

          (ii) Buyer shall offer to each Taiwanese Business Employee, and shall provide to each
Taiwanese Transferred Employee during such employee’s employment, compensation that, in the
aggregate, is no less favorable (or substantially similar in the

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aggregate) than that provided by
Taiwanese Seller to such Taiwanese Business Employee immediately prior to the Closing Date. Buyer
shall offer to each Taiwanese Business Employee, and provide to each Taiwanese Transferred
Employee, employee benefits that, in the aggregate, are substantially similar (excluding existing
equity arrangements, defined benefit plans, retiree medical plans and non-qualified deferred
compensation) to what the respective Taiwanese Business Employee receives at the date at which
Buyer makes its offer of employment to such Business Employee. Except as expressly set forth in
this Section 5.4, no assets of any Benefit Plan shall be transferred to Buyer or any Affiliate of
Buyer. Each Benefit Plan of Buyer or an Affiliate of Buyer shall use Reasonable Commercial Efforts
to recognize (x) for purposes of satisfying any deductibles, co-pays and out-of-pocket maximums
during the coverage period that includes the Closing Date, any payment made by
any Taiwanese Transferred Employees towards deductibles, co-pays and out-of-pocket maximums in
any group health Benefit Plan, and (y) for purposes of determining eligibility to participate,
vesting and for any severance benefits or future vacation accruals based on service, all service
with Seller or a Subsidiary, including service with predecessor employers that was recognized by
Seller or a Subsidiary for such purposes.

          (iii) Notwithstanding anything to the contrary in this Agreement, Buyer shall provide
severance benefits substantially equivalent to the benefits provided by Taiwanese Seller to
Taiwanese Transferred Employees whose employment is terminated involuntarily by Buyer without cause
on or before December 31, 2010 and such severance pay shall be substantially equivalent to the
severance pay that would have been payable under the severance Benefit Plan applicable to such
Taiwanese Transferred Employees immediately prior to the Closing Date.

          (iv) Buyer and Buyer Designees shall use Reasonable Commercial Efforts to cause their group
health Welfare Plans to waive any pre-existing condition exclusion (to the extent such exclusion
was waived under applicable group health Benefit Plans offered to the Taiwanese Transferred
Employees by Seller or a Subsidiary) and any proof of insurability. Seller or the applicable
Subsidiary shall remain responsible for any benefits payable under a Benefit Plan with respect to
claims incurred by Taiwanese Transferred Employees prior to or on the Closing Date. The Buyer shall
use Reasonable Commercial Efforts to cause the medical and dental plans maintained by Buyer and
Affiliates of Buyer to recognize as dependents of the Taiwanese Transferred Employees any
dependents recognized by Seller’s or the applicable Subsidiary’s medical and dental plans.

     (h) Chinese Employees

          (i) On the same date on which the German Employees To Be Transferred By Law are notified
pursuant to Section 5.4(b)(ii), Buyer shall make offers of employment to the Business Employees who
are employed by Infineon Technologies Center of Competence (Shanghai) Co. Ltd. and Infineon
Technologies China Co. Ltd. (the “Chinese

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 Sellers”) in China and who are listed on
Schedule 5.4(h)(i) (the “Chinese Business Employees”). Seller shall cooperate and
assist, and shall cause Chinese Sellers to cooperate and assist, in facilitating the Buyer’s
offers. Employment with Buyer or a Buyer Designee of Chinese Business Employees who have accepted
Buyer’s offer of employment (together with the Chinese Substituted Employees, but excluding any
such employees for which there was a substitution, the “Chinese Transferred Employees”)
shall be effective as of the day following the close of business on the Closing Date.

          (ii) Buyer shall offer to each Chinese Business Employee, and shall provide to each Chinese
Transferred Employee during such employee’s employment, compensation that, in the aggregate, is no
less favorable (or substantially similar in the
aggregate) than that provided by the respective Chinese Seller to such Chinese Business
Employee immediately prior to the Closing Date. Buyer shall offer to each Chinese Business
Employee, and provide to each Chinese Transferred Employee, employee benefits that, in the
aggregate, are substantially similar (excluding existing equity arrangements, defined benefit
plans, retiree medical plans and non-qualified deferred compensation) to what the respective
Chinese Business Employee receives at the date at which Buyer makes its offer of employment to such
Business Employee. Except as expressly set forth in this Section 5.4, no assets of any Benefit Plan
shall be transferred to Buyer or any Affiliate of Buyer. Each Benefit Plan of Buyer or an Affiliate
of Buyer shall use Reasonable Commercial Efforts to recognize (x) for purposes of satisfying any
deductibles, co-pays and out-of-pocket maximums during the coverage period that includes the
Closing Date, any payment made by any Chinese Transferred Employees towards deductibles, co-pays
and out-of-pocket maximums in any group health Benefit Plan, and (y) for purposes of determining
eligibility to participate, vesting and for any severance benefits or future vacation accruals
based on service, all service with Seller or a Subsidiary, including service with predecessor
employers that was recognized by Seller or a Subsidiary for such purposes.

     (iii) Notwithstanding anything to the contrary in this Agreement, Buyer shall provide
severance benefits substantially equivalent to the benefits provided by the respective Chinese
Seller to Chinese Transferred Employees whose employment is terminated involuntarily by Buyer
without cause on or before December 31, 2010 and such severance pay shall be substantially
equivalent to the severance pay that would have been payable under the severance Benefit Plan
applicable to such Chinese Transferred Employees immediately prior to the Closing Date.

     (iv) Buyer and Buyer Designees shall use Reasonable Commercial Efforts to cause their group
health Welfare Plans to waive any pre-existing condition exclusion (to the extent such exclusion
was waived under applicable group health Benefit Plans offered to the Chinese Transferred Employees
by Seller or a Subsidiary) and any proof of insurability. Seller or the applicable Subsidiary shall
remain responsible for any benefits payable under a Benefit Plan with respect to claims incurred by
Chinese Transferred Employees prior to or on the Closing Date. The Buyer shall use Reasonable
Commercial Efforts to cause the

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medical and dental plans maintained by Buyer and Affiliates of
Buyer to recognize as dependents of the Chinese Transferred Employees any dependents recognized by
Seller’s or the applicable Subsidiary’s medical and dental plans.

     (i) Hong Kong Employees

          (i) On the same date on which the German Employees To Be Transferred By Law are notified
pursuant to Section 5.4(b)(ii), Buyer shall make offers of employment to the Business Employees who
are employed by Infineon Technologies Hong Kong, Ltd. (the
“Hong Kong Seller”) in Hong Kong and who are listed on Schedule 5.4(i)(i) (the
“Hong Kong Business Employees”). Seller shall cooperate and assist, and shall cause Hong
Kong Seller to cooperate and assist, in facilitating the Buyer’s offers. Employment with Buyer or a
Buyer Designee of Hong Kong Business Employees who have accepted Buyer’s offer of employment
(together with the Hong Kong Substituted Employees, but excluding any such employees for which
there was a substitution, the “Hong Kong Transferred Employees”) shall be effective as of
the day following the close of business on the Closing Date.

          (ii) Buyer shall offer to each Hong Kong Business Employee, and shall provide to each Hong
Kong Transferred Employee during such employee’s employment, compensation that, in the aggregate,
is no less favorable (or substantially similar in the aggregate) than that provided by Hong Kong
Seller to such Hong Kong Business Employee immediately prior to the Closing Date. Buyer shall offer
to each Hong Kong Business Employee, and provide to each Hong Kong Transferred Employee, employee
benefits that, in the aggregate, are substantially similar (excluding existing equity arrangements,
defined benefit plans, retiree medical plans and non-qualified deferred compensation) to what the
respective Hong Kong Business Employee receives at the date at which Buyer makes its offer of
employment to such Business Employee. Except as expressly set forth in this Section 5.4, no assets
of any Benefit Plan shall be transferred to Buyer or any Affiliate of Buyer. Each Benefit Plan of
Buyer or an Affiliate of Buyer shall use Reasonable Commercial Efforts to recognize (x) for
purposes of satisfying any deductibles, co-pays and out-of-pocket maximums during the coverage
period that includes the Closing Date, any payment made by any Hong Kong Transferred Employees
towards deductibles, co-pays and out-of-pocket maximums in any group health Benefit Plan, and (y)
for purposes of determining eligibility to participate, vesting and for any severance benefits or
future vacation accruals based on service, all service with Seller or a Subsidiary, including
service with predecessor employers that was recognized by Seller or a Subsidiary for such purposes.

          (iii) Notwithstanding anything to the contrary in this Agreement, Buyer shall provide
severance benefits substantially equivalent to the benefits provided by Hong Kong Seller to Hong
Kong Transferred Employees whose employment is terminated involuntarily by Buyer without cause on
or before December 31, 2010 and such severance

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pay shall be substantially equivalent to the
severance pay that would have been payable under the severance Benefit Plan applicable to such Hong
Kong Transferred Employees immediately prior to the Closing Date.

          (iv) Buyer and Buyer Designees shall use Reasonable Commercial Efforts to cause their group
health Welfare Plans to waive any pre-existing condition exclusion (to the extent such exclusion
was waived under applicable group health Benefit Plans offered to the Hong Kong Transferred
Employees by Seller or a Subsidiary) and any proof of insurability. Seller or the applicable
Subsidiary shall remain responsible for any benefits payable under a Benefit Plan with respect to
claims incurred by Hong Kong Transferred Employees prior to or on the Closing Date. The Buyer shall
use Reasonable Commercial
Efforts to cause the medical and dental plans maintained by Buyer and Affiliates of Buyer to
recognize as dependents of the Hong Kong Transferred Employees any dependents recognized by
Seller’s or the applicable Subsidiary’s medical and dental plans.

     (j) Other Business Employees

          On the same date on which the German Employees To Be Transferred By Law are notified pursuant
to Section 5.4(b)(ii), Buyer shall make offers of employment to all other Business
Employees who are not specifically addressed in Section 5.4(b) through Section
5.4(i) and 5.4(o), including, for the avoidance of doubt, any employees who substitute
Business Employees pursuant to Section 5.4(a)(i) (but excluding those employees for which
there was a substitution). The terms and conditions of Section 5.4(d) shall apply to such
offers of employment mutatis mutandis; provided, however, that, with respect to any such other
Business Employee, to the extent a legal requirement of the type applicable to German Transferred
Employees and for which other special procedures or provisions are included in Section
5.4(b) with respect to German Transferred Employees is applicable to such other Business
Employee, then Buyer and Seller shall reasonably agree, to the extent of such legal requirement, to
other provisions as closely matching those set forth in Section 5.4(b) as is reasonably
practicable, under the circumstances, to apply with respect to such other Business Employee. The
proviso to the preceding sentence shall also apply to the extent of any such legal requirement that
the parties subsequently learn is applicable to Singapore Transferred Employees, Indian Transferred
Employees, Taiwanese Transferred Employees, Hong Kong Transferred Employees or Chinese Transferred
Employees. Seller and Buyer shall discuss and cooperate in good faith after the date hereof
(including after the Closing) to, and will use Reasonable Commercial Efforts to, facilitate the
transfer of the US, Singapore, Indian, Taiwanese, Hong Kong and Chinese Business Employees
(including, for the avoidance of doubt, any Substituted Employees pursuant to Section
5.4(a)(i)) in accordance with applicable Laws and the provisions of this Agreement as of the
Closing. If there are any unclarities, deviations from applicable Laws or unintended gaps in
Sections 5.4(d) through (i) in this respect, the respective transfer shall be facilitated
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applicable Laws and as closely matching those provisions set forth in Section
5.4(d) as is reasonably practicable under the circumstances.

     (k) Compensation for Payment of Performance Bonuses

          Seller shall compensate Buyer for any variable compensation payments paid by Buyer to any
Transferred Employee with respect to the fiscal year ending September 30, 2009 and for any
Christmas bonus accrued up until the Closing Date. Buyer shall invoice Seller and the Seller
Subsidiaries for the respective amounts. The compensation to be paid in cash by Seller and the
Subsidiaries shall become due and payable in accordance with the payment methodologies set forth in
Section 2.5(j) within five (5) Business Days upon receipt
of the respective invoice. For the avoidance of doubt, although the Seller shall use
Reasonable Commercial Efforts to insure in each case that such payments are made in five (5)
Business Days, Buyer shall not charge interest to the other party for the first five (5) Business
Days following such deadline.

     (l) Other Employee Matters.

          (i) Notwithstanding anything to the contrary in this Agreement, (x) no provision of this
Agreement shall be enforceable by any Business Employee, (y) no Business Employee shall be a third
party beneficiary (Vertrag (mit Schutzwirkung) zugunsten Dritter) under any provision of this
Agreement, and (z) unless explicitly provided otherwise in this Agreement, no provision of this
Agreement shall require continued employment of any Business Employee following the Closing, with
each such Business Employee being subject to termination at any time after the Closing at the
discretion of the employer thereof to the extent permissible under the relevant jurisdiction.

          (ii) From time to time following the Closing, Seller and Buyer shall, and shall cause their
respective Affiliates to, cooperate and provide each other with information and support to the
extent reasonably necessary and requested in order to defend themselves and/or the respective other
parties against any claims, disputes and/or litigation raised or initiated by (y) any Transferred
Employee alleging that his/her employment relationship has not been validly transferred from Seller
or a Subsidiary to Buyer or a Buyer Designee in consummation of this Agreement; or (z) any German
Alleged Employee To Be Transferred by Law (or any Business Employee from any other country)
alleging that his/her employment relationship has been validly transferred by operation of law from
Seller or a Subsidiary to Buyer or a Buyer Designee in consummation of this Agreement.

     (m) German Pensions/Early Retirement.

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          (i) German Company Pensions Arrangements and Agreements on Early Retirement. Certain
German Transferred Employees participate in the following company pension arrangements of Seller:

               (t) a pension plan (Pensionsplan) established by Seller on the basis of the “Infineon
Pensionsplan” and the “Gesamtbetriebsvereinbarung zur Einführung des Infineon Pensionsplanes”
including any changes, amendments or supplements thereto (the “German Pension Plan”) and
secured by means of a contractual trust arrangement (“CTA”); and/or

               (u) a deferred compensation program (Entgeltumwandlungs-modell) established by Seller on the
basis of the “Gesamtbetriebsvereinbarung zur Einführung der Deferred Compensation (“aufgeschobene
Vergütung”) in der Infineon
Technologies AG” including any changes, amendments or supplements thereto (“DCP”) and
secured by means of a CTA; and/or

               (v) a deferred compensation program (Entgeltumwandlungsmodell) established by Seller on the
basis of the guidelines “Zusatzversorgungsordnung 2000 — Zusatzversorgung zur Wahl (ZW)” including
any changes, amendments or supplements thereto (“ZW”) and secured by means of a CTA; and/or

               (w) a program for transfer compensation payments (Übergangszuschuss/Übergangsgeld) established
by Seller on the basis of the guidelines “ZP-Rundschreiben 10/82 and 29/83” and a program for death
benefits (Sterbegeld) established by Seller on the basis of the guideline “ZP-Rundschreiben 16/93”,
including in each case any changes, amendments or supplements thereto (collectively “ZP”);
and/or

               (x) a pension fund (Pensionskasse) established by Seller on the basis of the
“Betriebsvereinbarung zur Entgeltumwandlung nach dem Altersvermögensgesetz (sog.
Riester-/Eichelförderung) in der Infineon Technologies AG” and the collective bargaining agreements
“Tarifvertrag zur Entgeltumwandlung” and “Tarifvertrag über altersvorsorgewirksame Leistungen (TV
AVWL)” including any changes, amendments or supplements thereto (the “Pension Fund
Agreements”); and/or

               (y) a direct insurance (Direktversicherung) established by Seller on the basis of the
“Regelungsabrede zur Direktversicherung” including any changes, amendments or supplements thereto
(the “Direct Insurances”);

               (jointly the “German Company Pension Arrangements”).

               (z) The German Transferred Employees set forth in Schedule 3.9 (a)-1 have entered into
agreements on early retirement (Vereinbarungen über

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Altersteilzeit) with Seller (the
“Agreements on Early Retirement”). Buyer shall be obliged to secure the liabilities
arising out of the Agreements in Early Retirement against a potential insolvency of Buyer in
accordance with Section 8a of the German Act on Early Retirement (Altersteilzeitgesetz).

          (ii) Transfer of Pension Liabilities to Buyer. In accordance with this Agreement,
together with the employment relationships of the German Transferred Employees (for the Agreements
on Early Retirement as set forth in Schedule 3.9 (a)-1), Buyer will assume all liabilities
and obligations arising out of or in connection with German Company Pension Arrangements and
Agreements on Early Retirement relating to the German Transferred Employees (the “German
Pension Liabilities”); (y) by operation of law, as regards the German Employees Transferred By
Law; or (z) on basis of tripartite agreements entered into between Seller, Buyer and the Other
German Employees. Seller
shall compensate Buyer for the assumption of the German Pension Liabilities as set forth in
(iii) and (iv) below.

          (iii) Assumption of German Pension Plan, DCP, ZW, ZP and Agreements on Early
Retirement.

               (t) As compensation for the assumption of the obligations and liabilities relating to the
German Transferred Employees under the German Pension Plan, ZW, ZP, Agreements on Early Retirement
and the DCP, Seller shall pay to Buyer an amount in cash equal to the aggregate amount of the
German Benefit Liability in accordance with this Section 5.4(m)(iii).

               (u) “German Benefit Liability” means the Defined Benefit Obligation (DBO) for the
German Pension Plan, ZW, ZP, Agreements on Early Retirement and the DCP, and calculated under IFRS
(International Accounting Standards No. 19), calculated as of the Closing Date for all German
Transferred Employees using all of the same plan provisions, actuarial assumptions and methods the
Seller or its respective Affiliates used to determine the DBO under IFRS (International Accounting
Standards No. 19) as of September 30, 2008, with the following exceptions: (y) all increases in
benefits since that time, including the benefit adaptions or increases to be made or expected to be
effective or already effective, or decisions on adaptions made (even if no amounts are determined)
by Seller or its Affiliates, prior to or soon following the Closing Date will also be reflected
(i.e. adaptions according to 3.2, 4.2 and 4.3 of the German Pension Plan), and (z) the discount
rate for all plans but the Agreements on Early Retirement will be determined using the Seller’s or
its respective Affiliates current methodology (i.e., based on the iBOXX AA10+, rounded to the
nearest 25 basis points) as of the Closing Date, while the discount rate used to value the
Agreements on Early Retirement will be 5.5%. For the avoidance of doubt, any German Business
Employees who does not transfer to Buyer under or in connection with this Agreement shall not be
taken into account when calculating the German Benefit Liability.

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               (v) As soon as practicable, and in no event later than 90 days after the Closing Date, Seller
shall cause the actuary selected by Seller (“Seller Actuary”) to calculate the German
Benefit Liability. Seller shall provide the Seller Actuary with all information the Seller Actuary
reasonably requires in order to determine the German Benefit Liability. The German Benefit
Liability and the actuarial assumptions together with such information and other components used to
calculate such amount as of the Closing shall be set forth by the Seller Actuary in a report (the
“German Benefit Liability Report”). All expenses of Seller and the Seller Actuary in
calculating the German Benefit Liability and in preparing the German Benefit Liability Report shall
be borne by Seller.

               (w) As soon as practicable after calculating the German Benefit Liability, but in any event no
later than 120 days after the Closing Date, the Seller Actuary shall provide to
PricewaterhouseCoopers or such other actuary selected by Buyer (“Buyer Actuary”) with the
German Benefit Liability Report. The Buyer Actuary shall have access to the documentation and
financial and accounting records of Seller and the Seller Actuary relating to the German Benefit
Liability and have the reasonable cooperation of Seller and Seller Actuary as necessary to enable a
proper review of the German Benefit Liability Report to be conducted. The Buyer Actuary shall have
a period of 60 days following receipt of the German Benefit Liability Report to review and
reconcile the data contained therein. On or before the expiration of such 60-day period, Buyer
shall deliver a written notice to Seller indicating that it either accepts or rejects the German
Benefit Liability Report. If Buyer rejects the German Benefit Liability Report, the notice must
set out in reasonable detail the basis for the rejection. If Buyer has not delivered such notice
to Seller by the expiration of the 60-day period, Buyer shall be deemed for all purposes of this
Agreement to have accepted the German Benefit Liability Report. All expenses of Buyer and the
Buyer Actuary in reviewing the German Benefit Liability Report shall be borne by Buyer.

               (x) Buyer shall only be entitled to reject the German Benefit Liability Report on the grounds
that the German Benefit Liability was not calculated using the methodology plan provisions, or
assumptions, as used in the definition of “German Benefit Liability” above, or was not otherwise
calculated accurately in any material respects. If Buyer rejects the German Benefit Liability
Report, then Seller and Buyer shall attempt to resolve the differences. If the differences are not
resolved within a period of 30 days after receipt of the written notice of rejection, the dispute
may be referred by either Seller or Buyer to an independent actuary of national recognition in
Germany mutually acceptable to both parties (the “German Mediator”). The German Mediator
shall determine how the differences are to be resolved. The determination of the German Mediator
of the matters in dispute shall be final, binding and conclusive upon the parties, absent manifest
error, and shall not be subject to appeal. The scope of the German Mediator’s review shall be
limited to determining whether the German Benefit Liability was calculated using the methodology
plan provisions, or assumptions, as used in the definition of “German Benefit Liability” above, or
was otherwise calculated accurately in any material respects. Once a settlement or

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determination has been achieved, Seller and Buyer shall be deemed to have accepted the
German Benefit Liability Report with such revisions as the German Mediator requires, upon
delivery of the German Mediator’s report to the applicable parties.

               (y) Seller shall make a cash payment equal to the German Benefit Liability, as calculated in
the German Benefit Liability Report with such revisions as the German Mediator requires, if any, to
Buyer in accordance with the payment methodologies set forth in Section 2.5(j) within 30
days following the earliest of (a) Buyer acceptance of the German Benefit Liability Report, or (b)
delivery of the German Mediator’s report.

               (z) Until the Closing Date at the latest, Buyer shall have set up one or more new CTA in order
to secure the Pension Liabilities assumed by Buyer under the German Pension Plan, ZW and the DCP
with terms and conditions which are substantially similar to the terms and conditions applying to
Seller’s existing respective CTAs.

          (iv) Assumption of Pension Fund Agreements and Direct Insurances.

               (y) Buyer shall use Reasonable Commercial Efforts to enter into, with effect as of the Closing
Date and with full discharge of Seller (im Wege der Vertragsübernahme mit befreiender Wirkung),
agreements which relate to any Pension Fund Agreements with German Transferred Employees at terms
and conditions being substantially similar to the existing agreements between Seller and Victoria
Pensionskasse AG which relate to any Pension Fund Agreements with German Transferred Employees.
Buyer currently intends to enter into such existing agreements between Seller and Victoria
Pensionskasse AG with full discharge of Seller (im Wege der Vertragsübernahme mit befreiender
Wirkung) and to assume any and all rights and obligations of Seller arising out of or in connection
with the Pension Fund Agreements with respect to the German Transferred Employees. Victoria
Pensionskasse AG has indicated its approval to such assumption of the Pension Fund Agreements by
Buyer by email from Uwe Spranke dated June 30, 2009 10:19h CET, attached hereto in Schedule
5.4(m)(iv). In the event that the assumption of the Pension Fund Agreements also requires the
consent of the respective German Transferred Employees or any other Third Party, Buyer and Seller
shall co-operate in good faith and use Reasonable Commercial Efforts in order to obtain such
consent. The foregoing shall apply mutatis mutandis with regard to any Pension Fund Agreements
maintained with any Pension Fund (Pensionskasse) other than Victoria Pensionskasse AG, if any.
Seller shall use Reasonable Commercial Efforts, also after the Closing Date, to assist Buyer with
entering into respective agreements in accordance with this provision.

               (z) Buyer shall use Reasonable Commercial Efforts to enter into, with effect as of the Closing
Date and with full discharge of Seller (im Wege der Vertragsübernahme mit befreiender Wirkung),
agreements which relate to any Direct Insurances with German Transferred Employees at terms and
conditions being substantially similar to the existing agreements between Seller and Allianz
Lebensversicherung AG

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which relate to any Direct Insurances with German Transferred Employees. Buyer currently intends to
enter into such existing agreements between Seller and Allianz Lebensversicherung AG with full
discharge of Seller (im Wege der Vertragsübernahme mit befreiender Wirkung) and to assume any and
all rights and obligations of Seller arising out of or in connection with the Direct Insurances
with respect to the German Transferred Employees. Allianz Lebensversicherung AG has indicated its
approval to such assumption of the Direct Insurances by Buyer by email from Konrad Schradin dated
July 02, 2009 at 16:04 h CET, attached hereto in Schedule 5.4(m)(iv). In the event that the
assumption of the Direct Insurances also requires the consent of the respective German Transferred
Employees or any other Third Party, Buyer and Seller shall co-operate in good faith and use
Reasonably Commercial Efforts in order to obtain such consent. The foregoing shall, for the
avoidance of doubt, apply mutatis mutandis with regard to any Direct Insurances maintained with any
insurance company (Direktversicherer) other than Allianz Lebensversicherung AG, if any. Seller
shall use Reasonable Commercial Efforts, also after the Closing Date, to assist Buyer with entering
into respective agreements in accordance with this provision.

     (n) Welfare Benefit Plans

          Buyer will use Reasonable Commercial Efforts to adopt welfare benefit plans, including plans
providing medical, dental, life, accidental death and dismemberment, business travel accident and
disability coverages, as well as any other non-retirement benefits that are required for Buyer to
meet its obligations under this Section 5.4 (“Welfare Benefit Coverages”), on or prior to
the Closing Date for the benefit of employees of the Wireline Communications Business (and their
spouses and eligible dependents). If any Welfare Benefit Coverages have not been adopted and are
not available to provide benefits to Transferred Employees effective as of the Closing Date, then
Seller will provide such Welfare Benefit Coverages to employees of the Wireline Communications
Business (and their spouses and eligible dependents), as reasonably requested by Buyer until the
earlier of December 31, 2009 or the date when Buyer’s Welfare Benefit Coverages become effective,
subject to any required insurer consents (with respect to which Seller will use reasonable best
efforts to obtain). To the extent that Seller provides such Welfare Benefit Coverages, Buyer shall
promptly reimburse Seller for (i) the insurance premium cost for fully insured coverages, (ii) a
reasonable benefits burden calculated on a basis that is consistent with historical practices for
self-funded benefit coverages, and (iii) such other reasonable administrative costs or fees
incurred by Seller in providing such welfare benefits.

     (o) Latvian Business Employees 

          (i) Seller and Buyer assume that the consummation of the transactions contemplated by this
Agreement constitutes a transfer of undertaking pursuant to Section 28 Latvian Labor Code for
certain Business Employees which are employed by Infineon Technologies Latvia SIA (the “Latvian
Seller”) in Latvia and which are set forth on

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Schedule 3.9(a)-1 (collectively, the “Latvian Employees To Be Transferred By
Law”). As a consequence, the employment relationships between the Latvian Seller and the
Latvian Employees To Be Transferred By Law will transfer to Buyer by operation of law on the
Closing Date (the “Latvian Employees Transferred By Law”).

          (ii) On the same date on which the German Employees To Be Transferred By Law are notified
pursuant to Section 5.4(b)(ii), Latvian Seller and Buyer shall jointly notify the Latvian
Employees To Be Transferred By Law in accordance with the requirements of Section 28 Latvian Labor
Code. To the extent legally permissible and required and reasonably practical, such notice shall be
substantially similar to the one being sent to the Austrian Employees To Be Transferred By Law.
Immediately after the date hereof, Latvian Seller shall finalize the wording of the written notice
for all relevant groups of Latvian Employees To Be Transferred By Law in close co-operation and
good faith discussions with Buyer. Each party shall, without undue delay after the date hereof,
furnish the other party with sufficient and correct information as required by Laws to fulfill the
providing party’s information obligations towards the Latvian Employees To Be Transferred By Law.
Buyer shall indemnify Seller from and against any liabilities, claims and costs incurred or
suffered by Seller as a result of any failure by Buyer to provide sufficient and correct
information for the notification of the Latvian Employees To Be Transferred By Law in accordance
with this Section 5.4(o)(ii), in each case to the extent Seller is required by Law to
provide such information and has informed Buyer beforehand that it will provide such information.

          (iii) Seller, Latvian Seller and Buyer acknowledge that the consummation of the transactions
contemplated by this Agreement may not constitute a transfer of undertaking pursuant to Section 28
Latvian Labor Code for Certain Business Employees which are employed by Latvian Seller in Latvia
and which are set forth on Schedule 3.9(a)-1 (collectively, and together with the Latvian
Substituted Employees, but excluding any such employees who have been substituted, the “Other
Latvian Employees”). On the same date on which the German Employees To Be Transferred By Law
are notified pursuant to Section 5.4(b)(ii), Buyer and Latvian Seller shall offer to each
Other Latvian Employee to enter into a tripartite agreement being, to the extent legally
permissible and reasonably practical, substantially similar to the one for the Other Austrian
Employees according to which Buyer shall assume, subject to Closing, by way of an assumption of
contract with full discharge of Latvian Seller (im Wege der Vertragsübernahme mit befreiender
Wirkung) all rights and obligations resulting from the respective Other Latvian Employee’s
employment relationship with Latvian Seller. Buyer shall assume the individual employment
relationship between Latvian Seller and an the respective Other Latvian Employee subject to the
same terms and conditions as applicable to such Other Latvian Employee at the Closing Date. In case
such an offer by Buyer to assume the existing employment relationship between Latvian Seller and an
Other Latvian Employee is accepted by such Other Latvian Employee, the parties agree that the
responsibility for the liabilities and obligations under the respective employment agreement shall
be allocated between them as if the respective employment
relationship had been transferred to Buyer pursuant to Section 28 Latvian Labor Code and

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that,
in particular, Section 2.3(a)(i) shall apply to the transfer of the employment relationship
of the respective Other Latvian Employee to Buyer mutatis mutandis. If contrary to the expectations
of Latvian Seller and Buyer the consummation of the transactions contemplated by this Agreement
should not constitute a transfer of undertaking with respect to all or some of the Latvian
Employees To Be Transferred by Law, Buyer’s obligations as per this Section 5.4(o)(iii)
shall also apply to such Latvian Employees To Be Transferred by Law. The Latvian Employees
Transferred By Law together with the Other Latvian Employees who agree to the assumption of their
employment relationship by Buyer are collectively referred to as the “Latvian Transferred
Employees”. For the avoidance of doubt, any Latvian employees whose employment relationship has
or will have been terminated with effect prior to the Closing Date by Latvian Seller or the
respective employee for whatever reason shall not constitute Latvian Transferred Employees.

          (iv) Buyer has no obligation to agree with any commitments with respect to the Latvian
Business Employees that may be required or useful to reach an agreement with Seller’s or Latvian
Seller’s work councils or unions in connection with the transactions contemplated under or in
connection with this Agreement. Seller and its Affiliates shall not agree in such proceedings or in
connection therewith on any measure that would result in any liability or obligation of Buyer or a
Buyer Designee.

          (v) In the event that an Latvian employee other than an Latvian Employee To Be Transferred By
Law alleges that his or her employment relationship has been transferred to Buyer by operation of
law, Section 5.4(b)(vi) shall apply mutatis mutandis.

     5.5 Certain Collateral Agreements

     Between the date hereof and the Closing Date Seller and Buyer shall in good faith negotiate
and finalize the negotiation of (i) each Transfer, Assignment and Assumption Agreement or
Assignment and Bill of Sale and Assumption Agreement (as well as the Schedules and Exhibits
pertaining thereto) for each relevant jurisdiction, (ii) the Lease Agreements for each of the Owned
Premises substantially in line with the term sheets attached as Exhibit C (as well as the
Schedules and Exhibits pertaining thereto), (iii) the Sublease Agreements for each of the Leased
Premises substantially in line with the term sheets attached as Exhibit D (as well as the
Schedules and Exhibits pertaining thereto), (iv) the IT Transitional Services Agreement
substantially in the form as attached as Exhibit E hereof (as well as the Schedules and
Exhibits pertaining thereto), and (v) the Transitional Services Agreement for each relevant
jurisdiction which shall be substantially in line with the drafts attached as Exhibit F
hereof (as well as the Schedules and Exhibits pertaining thereto).

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     5.6 Regulatory Compliance

     (a) Subject to Section 5.6(b) below, upon the terms and subject to the conditions set
forth in this Agreement, each of the parties agrees to use its Reasonable Commercial Efforts to
take, or cause to be taken, all actions, and to do, or cause to be done, and to assist and
co-operate with the other parties in doing, all things necessary, proper or advisable to consummate
and make effective, in the most expeditious manner practicable, the transactions contemplated by
this Agreement, including using reasonable commercial efforts to accomplish the following: (i) the
taking of all acts necessary to cause the Closing Conditions to be satisfied as promptly as
practicable, (ii) the obtaining of all necessary actions or non-actions, waivers, consents and
approvals from Governmental Bodies and the making of all necessary registrations and filings
(including filings with Governmental Bodies, if any) and the taking of all steps as may be
necessary to obtain an approval or waiver from, or to avoid an action or proceeding by any
Governmental Body, (iii) the obtaining of all necessary consents, approvals or waivers from Third
Parties, (iv) the defending of any lawsuits or other legal proceedings, whether judicial or
administrative, challenging this Agreement or the Collateral Agreements or the consummation of the
transactions contemplated hereby or thereby, including seeking to have any stay or temporary
restraining order entered by any court or other Governmental Body vacated or reversed, and (v) the
execution and delivery of any additional instruments necessary to consummate the transactions
contemplated by, and to fully carry out the purposes of, this Agreement and the Collateral
Agreements.

     (b) Seller and Buyer shall timely and promptly make all filings which may be required by each
of them in connection with the consummation of the transactions contemplated hereby under the GWB,
the HSR Act and any other antitrust Laws or by any Governmental Body, and the parties shall
respectively use all reasonable commercial efforts to cause the prompt termination or expiration of
the applicable waiting period under such Laws. Seller and Buyer agree that their respective initial
filings under the GWB, the HSR Act and in respect of any other antitrust approval shall be made no
later than the twentieth (20th) Business Day following the date of this Agreement,
provided that the other party shall have provided all requisite information contemplated by
the immediately following sentence. Each party shall furnish to the other such necessary
information and assistance as the other party may reasonably request in connection with the
preparation of any necessary filings or submissions by it to any Governmental Body, including any
filings necessary under the provisions of the GWB, the HSR Act and under any other antitrust Law.
Each party shall provide the other party the opportunity to make copies of all correspondence,
filings or communications (or memoranda setting forth the substance thereof) between such party or
its representatives, on the one hand, and the FCO, the Federal Trade Commission (the
“FTC”), the Antitrust Division of the United States Department of Justice (the
“Antitrust Division”) or any other state, foreign or multinational governmental agency or
members of their respective staffs, on the other hand, with respect to this Agreement or the
transactions contemplated hereby. Each party agrees to inform promptly the other party of

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any communication made by or on behalf of such party to, or received by or on behalf of such party
from, the FCO, the FTC, the Antitrust Division or any other state, foreign or multinational
governmental authority regarding any of the transactions contemplated hereby. If and to the extent
the competent antitrust authorities raise any competition concerns against the transactions
contemplated by this Agreement and such concerns risk leading to a decision prohibiting the
consummation of the transactions contemplated by this Agreement, Buyer and its Affiliates shall use
reasonable commercial efforts to offer to the competent antitrust authorities all appropriate
remedies reasonably acceptable for Buyer in order to overcome such competition concerns and to
obtain a clearance decision. If and to the extent the competent antitrust authorities do not grant
clearance of the transactions contemplated herein, Buyer shall, upon request of Seller, be obliged
to appeal against the prohibition decision before the competent courts, unless the appeal has no
reasonable expectations of success or is against the reasonable business interests of Buyer and its
Affiliates. Notwithstanding the foregoing, nothing herein shall be construed to require Buyer or
any of its Affiliates to take or agree to take any extraordinary measures, including any
requirement to hold separate, divest, or agree to hold separate or divest, any of the businesses,
services, products or assets of Buyer or any of its Affiliates.

     (c) Without undue delay after the date hereof, Buyer shall use Reasonable Commercial Efforts
to obtain a compliance certificate (Unbedenklichkeitsbescheinigung) (the “Compliance
Certificate”) from the German Federal Ministry of Economics and Technology pursuant to Section
53 para. 3 German Foreign Trade and Payments Regulation (Außenwirtschaftsverordnung). In
particular, Buyer shall file a written application for the grant of a compliance certificate
(Unbedenklichkeitsbescheinigung) with the German Federal Ministry of Economics and Technology and
request to make the Seller party to such proceedings pursuant to Section 13 para. 2 German
Administrative Procedures Act. Buyer shall reasonably inform Seller regarding major developments
about the status of the aforementioned proceedings. Buyer hereby irrevocably and unconditionally
agrees that the German Federal Ministry of Economics and Technology informs Seller about the status
of the aforementioned proceedings. Seller will not appeal against the compliance certificate
(Unbedenklichkeitsbescheinigung) granted pursuant to Section 53 para. 3 first or second sentence
German Foreign Trade and Payments Regulation (Außenwirtschaftsverordnung).

     5.7 Contacts with Suppliers and Customers

     In contemplation of the Closing, Seller and Buyer agree to cooperate in contacting any
suppliers to, or customers of, the Wireline Communications Business in connection with or
pertaining to any subject matter of this Agreement or the Collateral Agreements. Prior to Closing,
Buyer shall contact any suppliers or customers of the Wireline Communications Business in
connection with or pertaining to any subject matter of this Agreement or the Collateral Agreements
only in cooperation with Seller.

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     5.8 Protection under certain Patent Licenses Agreements

     (a) Seller and Buyer are aware that the Wireline Communications Business currently enjoys
protection under certain patent license agreements to which Seller or an Affiliate of Seller are a
party. Seller and Buyer are further aware that, following the consummation of the transactions
contemplated by this Agreement, Buyer will not be a licensee under certain of such patent license
agreements which have been described in reasonable detail to Buyer and the protection provided to
the Wireline Communications Business under those agreements will cease to exist, while certain
other patent license agreements which are set forth on Schedule 5.8(a) provide that Buyer,
as acquirer of the Wireline Communications Business, may receive protection and/or become a
licensee under such agreements following the business’ divestiture by Seller, in each case subject
to the individual requirements and conditions of the individual patent license agreements (the
“Potentially Available Patent Licenses”). Buyer agrees and acknowledges that the
Potentially Available Patent Licenses do not constitute Purchased Contracts and that nothing in
this Agreement constitutes, or shall be interpreted to constitute, a sale and transfer of any
Potentially Available Patent License. Except as specifically set forth in Section 3.12(f),
Buyer further agrees and acknowledges that nothing in this Agreement constitutes, or shall be
interpreted to constitute, a representation or warranty of Seller or a Subsidiary that the
protection under the Potentially Available Cross-Licenses will actually remain or become available
to the Wireline Communications Business following the consummation of the transactions contemplated
by this Agreement.

     (b) Seller agrees that following the date hereof Buyer shall be entitled to contact the Third
Parties which are party to the Potentially Available Patent Licenses, where necessary, to discuss
the terms and conditions regarding a continuous protection of the Wireline Communications Business
under the respective Potentially Available Patent License, provided, in each case that (i) any
communication by Buyer to the respective Third Party requires the prior written approval of Seller,
and (ii) Buyer shall adhere to and follow the procedural requirements set forth in the respective
Potentially Available Patent License. Seller agrees to assist Buyer in establishing a first point
of contact with the respective Third Party and to use Reasonable Commercial Efforts to assist Buyer
in its attempt to obtain protection of the Wireline Communications Business under each respective
Potentially Available Patent License, and shall provide any document or communication required in
connection therewith.

     5.9
[**] Licenses and Acquisition [**]

     Buyer is aware that Seller is, with respect to the Wireline Communications Business,
considering (i) the conclusion of the [**] Licenses and
(ii) the [**] Acquisition.

     (a) Consultation and Consent by Buyer. From the date hereof until the Closing Date,
Seller shall inform and reasonably consult with Buyer on the current status of the
[**] Licenses or the [**] Acquisition. Any binding agreement entered into by Seller

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and/or
a Subsidiary with respect to the [**] Licenses or the
[**] Acquisition shall require the prior
written consent of Buyer. Seller shall provide Buyer with any documents and information reasonably
required by Buyer in order to finally decide upon the conclusion of binding agreements with respect
thereto. The purchase agreement concerning the [**] Acquisition
and the [**] Licenses shall
contain provisions pursuant to which Buyer will acquire all rights and assume obligations under the
[**] Licenses and the purchase agreement (including collateral
agreements)  concerning the
[**] Acquisition (“[**] Purchase Agreement”) without further consent of the respective
contractual party being required. For the avoidance of doubt, Buyer shall be obliged to pay all
fees, costs and expenses it incurs by the consultation and review of
the [**] Licenses and the
[**] Acquisition.

     (b) Discretion of Seller and Effect of Consent by Buyer. Seller may decide in its
sole discretion whether or not to pursue, and nothing in this Section 5.9 shall cause an
obligation of Seller to conclude, the [**] Licenses or the
[**] Acquisition. If Buyer has
granted its consent to the [**] Licenses or the [**]
Acquisition in accordance with Section
5.9(a) above, the terms and conditions of the [**]
Licenses and the [**] Acquisition shall
be deemed irrevocably approved by Buyer and Buyer shall have no claims of whatsoever nature against
Seller or any of its Subsidiaries in connection therewith.

     (c) Sale and Purchase of Contracts.
If the [**] Licenses or the [**] Acquisition
have been concluded prior to the Closing Date, the following shall apply:

          (i) Upon the terms and subject to the conditions of this Agreement, Seller hereby sells
(verkauft), or agrees to cause a Subsidiary to sell (verkaufen), to Buyer by way of an assumption
of contract with full discharge of Seller (im Wege der Vertragsübernahme mit befreiender Wirkung)
all rights and obligations resulting from (x) the [**],
Licenses and (y) the [**] Purchase Agreement, and, if
the [**] Purchase Agreement has already been consummated at the Closing Date,
all Contracts which have been or will be assumed by Seller and/or the Subsidiaries in connection
with the [**] Purchase Agreement (“[**] Contracts”), subject to subsection (ii) below.

          (ii) Section 2.1(c) through Section 2.1(e) above shall apply mutatis mutandis
on the [**] License and the [**] Contracts.

          (iii) Subject
to Seller’s obligation pursuant to [**] Section 9.f
(below), Buyer shall
assume from Seller or the respective Subsidiary with full discharge of Seller or the respective
Subsidiary (Schuldübernahme mit befreiender Wirkung) any liabilities and obligations to be
performed after the Closing Date of Seller or the respective
Subsidiary pursuant to the [**] Purchase Agreement, but not any liabilities with respect to any breach thereof by Seller or its
respective Subsidiary.

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     (d) Sale and Purchase of Assets. Upon the terms and subject to the conditions of this
Agreement, Seller hereby sells (verkauft), or agrees to cause a Subsidiary to sell (verkaufen), to
Buyer, and Buyer hereby purchases (kauft) from Seller or the
applicable Subsidiary, all assets acquired by Seller and the
Subsidiaries
 under with the [**] Purchase Agreement between the date
hereof and the Closing Date.

     (e) Transfer
of [**] Employees. Section 5.4(d)(i) through Section
5.4(d)(vii) shall apply mutatis mutandis to any employees whose employment relationship has
transferred or was assumed by Seller or a Subsidiary in connection
with the [**] Acquisition.

     (f) License Fee and Purchase Price. Seller shall be obliged to pay the commencement
payment (e.g., the commencement license fee) for the [**]
Licenses (but not including any
recurring payments, provided that Seller shall not structure the
[**] Licenses such that the
recurring payments are artificially increased and the commencement payment is artificially
decreased) and the  [**] Purchase Agreement when due under the respective
arrangement. To the extent the license fee for the [**]
Licenses and the  [**] Purchase Agreement have not been fully paid at the Closing Date, Seller shall be obliged
to make the respective payments when due after Closing.

     (g) No
Conclusion of [**] Licenses and [**] Acquisition.

          (i) If
a binding commitment of Seller with respect to the [**] Acquisition has not been
concluded prior to the Closing Date, the Purchase Price shall be decreased by an amount of
[**]. In this event, the Closing Payment shall be decreased accordingly and shall be
reflected in the Estimate.

     
     (ii) If a binding commitment of Seller with respect to the
[**] Licenses have not been
concluded prior to the Closing Date, the Purchase Price shall be decreased by an amount of
[**]. In this event, the Closing Payment shall be decreased accordingly and shall be
reflected in the Estimate.

     
(h) Intention of the Parties Regarding [**] Acquisition. It is the intention of the
Parties that the [**] Acquisition be signed on or before the Closing Date; however, in the event
it would be reasonable to complete the [**] Acquisition prior to the Closing Date, the Parties
agree that it would be preferable to structure the same as an
acquisition of shares into a newly-formed entity and the parties
shall reasonably cooperate regarding the same.

     5.10 Certain R&D Subsidies

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     (a) Subsidies. Seller and certain of its Subsidiaries have been granted certain
Subsidies for Funded Projects by the EU Commission, by the German Federal Ministry of Education and
Research (Bundesministeriums für Bildung und Forschung), the Bavarian Ministry for Economics,
Infrastructure, Traffic and Technology (Bayerisches Staatsministerium für Wirtschaft,
Infrastruktur, Verkehr und Technologie), the Oesterreichische Forschungsförderungsgesellschaft and
other Austrian funding bodies and the Singapore Economic Development Board (collectively the
“Funding Authorities”) all of which that are related to the Wireline Communications
Business are set forth on Schedule 5.10. “Subsidies” shall mean any public funding
granted under EU law, German law, Austrian law [and the laws of Singapore] as set forth in the
respective funding letters, cooperation agreements, exploitation plans (Verwertungspläne), funding
notices (Zuwendungsbescheide) and funding contracts (Zuwendungsverträge) and similar instruments
(collectively “Subsidies Documentation”). In addition to the Seller and/or the relevant
Subsidiaries, several consortium partners and their subsidiaries are participating in certain of
the Funded Projects as set forth in Schedule 5.10. The Subsidies are bound to certain
conditions, including the obligation to exploit the Project Results, and restrictions on
transferability as set forth in the Subsidies Documentation.

     (b) Transfer of Subsidies. The parties acknowledge and agree that it is desirable
that, with effect as of the Closing Date, Buyer or a Buyer Designee are replacing Seller and/or the
relevant Subsidiary in the Funded Projects, and the respective rights and obligations under the
Subsidies Documentation are transferred to Buyer or a Buyer Designee with full discharge of Seller
and the relevant Subsidiary (mit befreiender Wirkung) (the “Transfer of Subsidies”). If and
to the extent the Funded Projects and the Subsidies Documentation relate partly to the Wireline
Communications Business and partly to other businesses of Seller and the Subsidiaries, as indicated
in forth in Schedule 5.10, the parties shall co-operate in order to achieve a split of the
relevant Subsidies Documentation to allow for a transfer and/or assumption of such Subsidies
allocated to the Wireline Communications Business to Buyer and/or the relevant Buyer Designee in
accordance with the other provisions of this Section 5.10. Such split is necessary in
particular for any Subsidies granted by the Funding Authorities in Singapore. Any such Transfer of
Subsidies requires the prior consent of the relevant Funding Authority and of the consortium
partners. The parties undertake to use Reasonable Commercial Efforts to obtain the necessary
consents of the Funding Authorities and the consortium partners for the Transfer of Subsidies under
the Funded Projects as of the Closing Date. The parties acknowledge and agree that the necessary
consent of the Funding Authorities and the consortium partners may only be granted if Buyer and/or
the relevant Buyer Designee declares its willingness to continue the Funded Projects (unless such
Funded projects are already completed) and to comply with the Subsidies Documentation (to the
extent relating to time periods after the Closing Date).

     (c) Obligations of Seller. With regard to the Funded Projects,

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          (i) Seller shall comply with and cause the relevant Subsidiary to comply with the terms and
conditions of the Subsidies Documentation until the Closing Date;

          (ii) Seller does not assume any liability or obligation vis-à-vis Buyer or a Buyer Designee
that (y) the consent to the Transfer of Subsidies will be granted and (z) any of the Subsidies
already approved under the Subsidies Documentation, but not yet disbursed to Seller and/or a
Subsidiary will be disbursed by the relevant Funding Authority prior to, on or after the Closing
Date;

      
    (iii) Seller shall, if and to the extent the Transfer of Subsidies is approved by the relevant
Funding Authority and the consortium partners, forward with undue
delay to Buyer any cash amount of Subsidies, which relates to a
transferred Funded Project and is erroneously disbursed to Seller
and/or the relevant Subsidiary after the Closing Date.

     (d) Seller Indemnification. Seller and Seller’s Affiliates shall fully compensate,
indemnify, defend and hold harmless Buyer and/or the respective Buyer Designee for any and all
Losses arising out of or in connection with any repayment order, revocation or cancellation of the
Subsidies after the Closing Date if and to the extent that the Losses are the result of any failure
of Seller and/or the respective Subsidiary to fulfill and comply with the terms and conditions of
the Subsidies Documentation prior to the Closing Date.

     (e) Obligations of Buyer. If and to the extent that the relevant Funding Authorities
and the consortium partners consent to the Transfer of Subsidies, the Buyer or the relevant Buyer
Designee shall assume the rights and obligations under the Subsidies Documentation with full
discharge of Seller and the relevant Subsidiary (mit befreiender Wirkung) and shall fully comply
with and perform all obligations in accordance with the terms and conditions of the Subsidies
Documentation as from the Closing Date.

     (f) Buyer Indemnification. Buyer and Buyer’s Affiliates shall fully compensate,
indemnify, defend and hold harmless Seller and/or the respective Subsidiary for, any and all Losses
arising out of or in connection with any repayment order, revocation or cancellation of the
Subsidies (including interest thereon) after the Closing Date

          (i) if and to the extent that the Transfer of Subsidies is not approved by the relevant
Funding Authority and/or the consortium partners solely as a result of Buyer’s acquisition at
Closing of — in all material respects — (x) the Purchased Assets, purchased Project Results and
Transferred Employees arising from or relating to the Funded Projects conducted in Germany other
than by a German entity; (y) the Purchased Assets, purchased Project Results and Transferred
Employees arising from or relating to the Funded Projects conducted in Austria other than by an
Austrian entity or (z) the Purchased Assets, purchased Project Results and Transferred Employees
arising from or relating to the Funded Projects conducted in Singapore other than by a Singaporean
entity, or

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          (ii) if and to the extent the Transfer of Subsidies is approved by the relevant Funding
Authority and/or the consortium partners, and the Losses are the result of any failure of Buyer
and/or a Buyer Designee to fulfill and comply with the terms and conditions of the Subsidies
Documentation after the Closing Date;

provided, however, that Seller and/or the respective Subsidiary shall not be entitled to any
indemnification if and to the extent a repayment order, revocation or cancellation of Subsidies is
the result of any failure of Seller and/or the respective Subsidiary to fulfill and comply with the
terms and conditions of the Subsidies Documentation prior to the Closing Date.

     (g) Subsidies Liabilities. “Subsidies Liabilities” shall mean all obligations
and liabilities for which Buyer is liable pursuant to Section 5.10(iv) and (v).

     5.11 DCDC Subsidies

     (i) The
Subsidiary Infineon Technologies [**] has been granted certain
Subsidies by [**] for the performance of certain projects for
research and development in the [**]. These Subsidies (“DCDC
Subsidies”) are bound to several conditions, including the obligation to increase
 [**] R&D-related head-count in [**] from a basis of [**] existing R&D-employees by at least [**]
additional full-time equivalent R&D-positions from [**] until [**], of which at
least [**] full-time equivalent R&D-positions have to be filled in the period of time from [**] until [**] and to be maintained for a period of time of at least [**] years starting on
[**] (“Headcount Condition”).

     (ii) Subject to clause (iii) below, the parties undertake to use Reasonable Commercial Efforts
within the six (6) month period immediately following the Closing Date, to obtain the necessary
consent of [**] to take into account as many as possible
of the [**]  Transferred Employees in order to fulfill the Headcount Condition.

     (iii) Under the condition precedent (aufschiebende Bedingung) that [**] agrees upon to take into account all or a certain number of [**]
Transferred Employees in order to fulfill the Headcount Condition, and the Buyer or the relevant
Buyer Designee and Seller or its Subsidiaries agree to discuss in good faith whether it is able,
consistent with the operation of its business, to use Reasonable Commercial Efforts to maintain the
operations and continue to employ such number of full-time equivalent R&D employees at the premises
in [**] in the ordinary course of business until [**] and whether any type of
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Buyer in connection therewith. Upon [**] request, Buyer or the
relevant Buyer Designee will consider granting a commitment to [**] to this effect.

     (iv) For the avoidance of doubt, Buyer shall not be obligated to make any concessions or
commitments (whether monetary or otherwise) which negatively affects its then current business or
operations.

     5.12 Certain Issues with Respect to Open Source

     Prior to the Closing Date, Seller shall provide Buyer with a list of all open source software
contained in the Assigned Software and the licenses applicable thereto (and, where applicable,
indicate the associated portion of the Assigned Software).

     5.13 Collateral Agreement Issues

     Starting as of the date that is two (2) weeks prior to the anticipated Closing Date, the right
to order products under the Wafer Supply Agreement shall become effective.

     5.14 Dormant Trademarks

     Within thirty (30) days of the date hereof, Buyer shall have the right to notify Seller that
it intends to use one of the trademarks (and all registrations and applications for registration
thereof) set forth on Schedule 3.12(d) owned by Seller or its Affiliates as its corporate
name, and thereafter such trademark shall be included in the Purchased Assets.

     5.15 Contract Review

     Following the date of this Agreement, Buyer shall have ten (10) Business Days to review the
Contracts set forth on Schedule 2.1(a) (complete and correct copies of which Seller shall
have made immediately available to Buyer). For any such Contract not identified with an “&” on
Schedule 2.1(a), Buyer reasonably believes is an Outlier Contract, Buyer shall have the
right, during the period pursuant to the immediately preceding sentence, to notify Seller that it
does not intend that such Contract be included in the Purchased Assets, and such Contract shall be
automatically deleted from Schedule 2.1(a) and shall thereafter in no event constitute a Purchased
Contract. For the purposes of this section, “Outlier Contract” means any Contract that
would be less favorable to Buyer than the other Purchased Contracts, on average, in the same type
or category (i.e., customer agreement, license agreement, licensor agreement, etc.), or that, if
assigned to Buyer, would result in a special payout, redemption or repurchase on the part of Buyer
or any special

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decrease in payments on the part of the other party thereto or that would be unreasonable in the context of the
Wireline Communications Business as a standalone business.

6. Confidential Nature of Information

     6.1 Accession to Confidentiality Agreement

     Buyer hereby accedes (beitreten) to the Confidentiality Agreement entered into between Seller
and Golden Gate Private Equity, Inc. and agrees that the terms and conditions of the
Confidentiality Agreement shall apply to (a) all documents, materials and other information that it
receives from or 2with respect to Seller or Seller’s Affiliates during the course of the
negotiations leading to the consummation of the transactions contemplated by this Agreement
(whether obtained before or after the date of this Agreement), any investigations made in
connection therewith and the preparation of this Agreement and related documents, and (b) all
analyses, reports, compilations, evaluations and other materials prepared by Buyer or its counsel,
accountants or financial advisors that contain or otherwise reflect or are based upon, in whole or
in part, any of the provided information; provided, however, that subject to Section
6.2(a), the Confidentiality Agreement shall terminate as of the Closing and shall be of no
further force and effect thereafter with respect to information of Seller or its Affiliates the
ownership of which is transferred to Buyer or a Buyer Designee.

     6.2 Seller’s Proprietary Information

     (a) Except as provided in Section 6.2(b), after the Closing and for a period of five
years following the Closing Date, Buyer agrees that it will keep confidential all of Seller’s and
its Affiliates’ Proprietary Information that is received from, or made available by, Seller in the
course of the transactions contemplated hereby, excluding, for purposes of this Section
6.2, information about the Wireline Communications Business’ business plans and strategies,
marketing ideas and concepts, especially with respect to unannounced products and services, present
and future product plans, pricing, volume estimates, financial data, product enhancement
information, business plans, marketing plans, sales strategies, customer information (including
customers’ applications and environments), market testing information, development plans,
specifications, customer requirements, configurations, designs, plans, drawings, apparatus,
sketches, software, hardware, data, prototypes, connecting requirements or other technical and
business information, except for such Proprietary Information that is Licensed Intellectual
Property or the ownership of which is not transferred to Buyer or a Buyer Designee as part of the
Purchased Assets.

     (b) Notwithstanding the foregoing, such Proprietary Information shall not be deemed
confidential and Buyer shall have no obligation with respect to any such Proprietary Information
that:

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          (i) at the time of disclosure was already known to Buyer or its Affiliates or their respective
representatives or agents other than as a result of this transaction, free of restriction as
evidenced by documentation in Buyer’s possession;

          (ii) was, is or becomes publicly known, other than by a breach by Buyer of this Agreement;

          (iii) is received by Buyer or its Affiliates or their respective representatives or agents
from a Third Party without similar restriction and without breach of any agreement;

          (iv) to the extent it is or was independently developed by Buyer or its Affiliates or their
respective representatives or agents; or

          (v) is, subject to Section 6.2(c), required to be disclosed under applicable Law or
judicial process.

     (c) If Buyer (or any of its Affiliates) is requested or required (by oral question,
interrogatory, request for information or documents, subpoena, civil investigative demand or
similar process) to disclose any Proprietary Information, Buyer will promptly, to the extent
legally permissible, notify Seller of such request or requirement and will cooperate with Seller
such that Seller may seek an appropriate protective order or other appropriate remedy. If, in the
absence of a timely protective order or the receipt of a waiver hereunder, Buyer (or any of its
Affiliates) is in the opinion of Buyer’s counsel compelled to disclose the Proprietary Information,
Buyer (or its Affiliate) may disclose only so much of the Proprietary Information to the party
compelling disclosure as is required by Law. Buyer will exercise its (and will cause its Affiliates
to exercise their) Reasonable Commercial Efforts to obtain a protective order or other reliable
assurance that confidential treatment will be accorded to such Proprietary Information.

     (d) Section 9.3 shall remain unaffected.

     6.3 Buyer’s Proprietary Information

     (a) Except as provided in Section 6.3(b), after the Closing Date and for a period of
five years thereafter, Seller agrees that it will keep confidential all the Proprietary Information
the ownership of which or use of which is transferred to Buyer as part of the Purchased Assets,
including, for purposes of this Section 6.3, information about the Wireline Communications
Business’s business plans and strategies, marketing ideas and concepts, especially with respect to
unannounced products and services, present and future product plans, pricing, volume estimates,
financial data, product enhancement information, business plans, marketing plans, sales strategies,
customer information (including customers’ applications and environments), market testing
information, development plans,

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specifications, customer requirements, configurations, designs, plans, drawings, apparatus,
sketches, software, hardware, data, prototypes, connecting requirements or other technical and
business information.

     (b) Notwithstanding the foregoing, such Proprietary Information regarding the Wireline
Communications Business shall not be deemed confidential and Seller shall have no obligation with
respect to any such Proprietary Information that:

          (i) was, is or becomes publicly known through publication, inspection of a product, or
otherwise, and through no negligence or other wrongful act of Seller, its Affiliates or their
respective agents or representatives;

          (ii) is received by Seller its Affiliates or their respective representatives or agents from a
Third Party without similar restriction and without breach of any agreement;

          (iii) to the extent it is or was independently developed by Seller or its Affiliates or their
respective representatives or agents; or

          (iv) is, subject to Section 6.3(c), required to be disclosed under applicable Law or
judicial process.

     (c) If Seller (or any of its Affiliates) is requested or required (by oral question,
interrogatory, request for information or documents, subpoena, civil investigative demand or
similar process) to disclose any Proprietary Information regarding the Wireline Communications
Business, Seller will promptly, to the extent legally permissible, notify Buyer of such request or
requirement and will cooperate with Buyer such that Buyer may seek an appropriate protective order
or other appropriate remedy. If, in the absence of a timely protective order or the receipt of a
waiver hereunder, Seller (or any of its Affiliates) is in the opinion of Seller’s counsel compelled
to disclose the Proprietary Information, Seller (or its Affiliate) may disclose only so much of the
Proprietary Information to the party compelling disclosure as is required by Law. Seller will
exercise its (and will cause its Affiliates to exercise their) Reasonable Commercial Efforts to
obtain a protective order or other reliable assurance that confidential treatment will be accorded
to such Proprietary Information.

     6.4 Confidential Nature of Agreements

     Except to the extent that disclosure thereof is required under accounting, Tax, stock exchange
or federal securities or labor relations Laws disclosure obligations and except for the disclosure
of a press statement in the form attached hereto as Exhibit L, both parties agree that the
terms and conditions of this Agreement, the Collateral Agreements and all Exhibits, Schedules,
attachments and amendments hereto and thereto shall be considered

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Proprietary Information protected
under this Section 6. Notwithstanding anything in this
Section 6 to the contrary, in the event that any such Proprietary Information is also
subject to a limitation on disclosure or use contained in another written agreement between Buyer
and Seller (including the Confidentiality Agreement) or either of their respective Affiliates that
is more restrictive than the limitation contained in this Section 6, then the limitation in such
agreement shall supersede this Section 6 for so long and to the extent as such agreement
remains in effect.

7. Closing

     7.1 Closing Date

     The Closing shall take place at the offices of Seller, Am Campeon 1-12, 85579 Neubiberg,
Germany, within ten (10) Business Days following the date on which the last of the Closing
Conditions to be satisfied or waived has been satisfied or waived, but not earlier than the later
of (i) September 20, 2009 or (ii) the date on which Buyer has obtained all applicable export
control licenses to operate the Wireline Communications Business following the Closing in
substantially the same manner in which it is operated as of the date of this Agreement provided
however that the Closing shall occur (assuming all conditions precedent in Section 7.2 have
been satisfied) on December 31, 2009 at the latest irrespective of whether or not Buyer has
obtained all such export control licenses, or at such other place or time or on such other date as
Seller and Buyer may agree upon in writing (the respective date, the “Closing Date”).

     7.2 Conditions Precedent to Closing

     The respective obligations of Buyer and Seller to effect the consummation of the transactions
contemplated by this Agreement and to perform the Closing Actions are subject to the fulfillment,
prior to or at the Closing, of each of the following conditions precedent (the “Closing
Conditions”), provided that the Closing Conditions set forth in clauses (d) and (e) below shall
only apply to the Buyer’s obligation to effect the consummation of the transactions contemplated by
this Agreement and Buyer shall be entitled to waive such Closing Conditions by giving written
notice to Seller, and the Closing Conditions set forth in clauses (f), (g) and (h) below shall only
apply to Seller’s obligation to effect the consummation of the transactions contemplated by this
Agreement and Seller shall be entitled to waive such Closing Conditions by giving written notice to
Buyer:

     (a) Legal Proceedings. No Governmental Body shall have enacted, issued, promulgated,
enforced or entered any statute, rule, regulation, non-appealable judgment, decree, injunction or
other order which is in effect on the Closing Date and which prohibits, restricts or delays
consummation of the transactions contemplated by this Agreement.

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     (b) Antitrust Laws; AWG. Any applicable waiting period under the GWB, the HSR Act or
applicable foreign antitrust Law relating to the transactions contemplated by this
Agreement or the Collateral Agreements shall have expired or been terminated. The transactions
contemplated by this Agreement have not been prohibited by the German Federal Ministry of Economics
and Technology pursuant to section 53 (2) sent. 4 German Foreign Trade and Payments Regulation
(Außenwirtschaftsverordnung) within the applicable time periods. For the purpose of this Section
7.2(b), such prohibition shall be deemed not to be imposed

          (i) if and when the Buyer receives a compliance certificate from the German Federal Ministry
of Economics and Technology pursuant to section 53 (3) German Foreign Trade and Payments Regulation
(Außenwirtschaftsverordnung) confirming that the transactions contem—plated by this Agreement do
not raise concerns with respect to the public order or security of the Federal Republic of Germany;
or

          (ii) upon the expiry of

               (A) the three-month period set forth in section 53 (1) sent. 1 German Foreign Trade and
Payments Regulation (Außenwirtschaftsverordnung); or

               (B) if the German Federal Ministry of Economics and Technology has decided to conduct a
detailed examination and has notified the Buyer thereof pursuant to section 53 (1) sent. 1 and 8
German Foreign Trade and Payments Regulation (Außenwirtschaftsverordnung) within such three-month
period: the two-month period set forth in section 53 (2) sent. 4 German Foreign Trade and Payments
Regulation (Außenwirtschaftsverordnung) that commences upon receipt by the Ministry of the complete
documentation on the transaction contemplated by this Agreement; or

               (C) if the Buyer has applied for a compliance certificate from the German Federal Ministry of
Economics and Technology pursuant to section 53 (3) German Foreign Trade and Payments Regulation
(Außenwirtschaftsverordnung): the one-month period set forth in section 53 (3) sent. 2 German
Foreign Trade and Payments Regulation (Außenwirtschaftsverordnung) that commences upon the receipt
of the application by the Ministry.

          (c) Balancing of Interest; Expiry of Objection Period. Seller has finalized the
Balancing of Interest Procedures and all objection periods to which the Business Employees may be
entitled in connection with the transfer of their employment relationships to Buyer or a Buyer
Designee pursuant to applicable Laws, including the objection period pursuant to Section 613a (6)
BGB, have expired.

          (d) Seller’s Representations and Warranties/No Material Adverse Effect.

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               (i) The Fundamental Representations shall be true and correct in all material respects; and

               (ii) all other representations and warranties of Seller set forth in this Agreement shall be
true and correct (ignoring for purposes of a determination of any breach of such other
representations and warranties any qualification based upon “material”, “materiality”, “Seller
Material Adverse Effect” or any similar qualification contained in such representations and
warranties, excluding, for the avoidance of doubt, “Seller’s Knowledge” qualifier) (x) as of the
date hereof and (y) as of the Closing Date as when made on and as of the Closing Date, except for
those representations and warranties that address matters only as of a particular date (in which
case such representations and warranties shall be true and correct in all material respects as of
such date); provided that, in the event of a breach of a representation or warranty other than a
Fundamental Representation, the condition set forth in this clause (ii) of this Section 7.2(d)
shall be deemed satisfied unless the effect of all such breaches of representations and warranties
taken together has or is reasonably likely to have a Seller Material Adverse Effect.

          (e) No Material Adverse Effect with respect to certain Covenants of Seller. The
covenants of Seller contained in Section 2.1(b)(i), Section 2.1(g), Section
5.1, Section 5.2, and Section 5.4 that are to be performed prior to the Closing
shall have been complied with and performed in all material respects, and in the case of
Section 5.4, (i) in a manner that does not materially impede or delay the transaction or
impose material additional costs on Buyer following the Closing and (ii) provided that Buyer shall
have complied with and performed in all material respects its own obligations thereunder. In the
case of Section 2.1(b)(i) and 2.1(g), for the avoidance of doubt, this section
shall not impose any obligation on Seller or any of its Subsidiaries to actually obtain any consent
or make any payment until the same is due.

          (f) Buyer’s Representations and Warranties/No Material Adverse Effect. All
representations and warranties of Buyer set forth in this Agreement shall be true and correct in
all material respects (ignoring for purposes of a determination of any breach of such other
representations and warranties any qualification based upon “material”, “materiality”, “Material
Adverse Effect” or any similar qualification contained in such representations and warranties,
excluding, for the avoidance of doubt, knowledge qualifier) (1) as of the date of this Agreement
and (2) as of the Closing Date as when made on and as of the Closing Date, except for those
representations and warranties that address matters only as of a particular date (in which case
such representations and warranties shall be true and correct in all material respects as of such
date); provided that, in the event of a breach of a representation or warranty, the condition set
forth in this Section 7.2(f) shall be deemed satisfied unless the effect of all such
breaches of representations and warranties taken together does not or is not reasonably likely to
materially affect the consummation of the transaction contemplated by this Agreement.

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          (g) No Material Adverse Effect with respect to certain Covenants of Buyer. The
covenants of Buyer and/or the Buyer Designees contained in Section 2.1(b)(i),
Section 2.1(g), Section 5.4 and Section 5.5 that are to be performed
prior to the Closing shall have been complied with and performed in all material respects, and in
the case of Section 5.4, (i) in a manner that does not materially impede or delay the
transaction and (ii) provided that Seller shall have complied with and performed in all material
respects its own obligations thereunder. In the case of Section 2.1(b) and 2.1(g),
for the avoidance of doubt, this section shall not impose any obligation on Buyer or any Buyer
Designee to actually obtain any consent or make any payment until the same is due.

          (h) Accession Agreement. One or more Buyer Designees that will be the transferee(s)
of, in the aggregate, the major part of the Purchased Assets by value upon the Closing shall, prior
to the Closing Date, have entered into an accession agreement in favor of Seller pursuant to which
they agree to accede to, and declare that they are jointly and severally liable for, all of the
obligations of Buyer hereunder, in each case to the extent permissible by Law.

     7.3 Actions to be taken at Closing

     On the Closing Date the parties shall perform the following actions (the “Closing
Actions”) simultaneously (Zug um Zug) (and for the avoidance of doubt all such actions must
happen contemporaneously or no party shall have any obligation to take any such action):

     (a) Seller and the Subsidiaries, as applicable, on the one hand, and Buyer and the Buyer
Designees, as applicable, on the other hand, shall enter into the Transfer Agreements, and Seller
and/or the Subsidiaries, as applicable, shall grant Buyer and/or the Buyer Designees, as
applicable, possession (Besitz) of the Purchased Assets to the extent applicable and the Purchased
Inventory;

     (b) Buyer shall make the Closing Payment to Seller as contemplated by Section 2.5 of
this Agreement; and

     (c) Seller and the Subsidiaries, as applicable, on the one hand, and Buyer and the Buyer
Designees, as applicable, on the other hand, shall enter into the Collateral Agreements.

     7.4 Closing Confirmation

     After all Closing Actions have been performed, Seller and Buyer shall confirm in a written
document to be jointly executed by Seller and Buyer that all Closing Actions have been performed or
waived and that the Closing has occurred.

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8. Remedies; Indemnification

     8.1 Exclusive Remedies

     (a) The Parties agree and acknowledge that, to the extent permitted by applicable Laws, the
rights and remedies which Buyer may have against Seller or Seller’s Affiliates in connection with a
breach of Seller’s obligations set forth in this Agreement shall be solely governed by this
Agreement, and the rights and remedies provided for by this Agreement shall be the exclusive
remedies available to Buyer and the Buyer Designees (other than claims for fraud, for specific
performance (primäre Erfüllungspflichten) or, injunctive relief (einstweilige Verfügung) or any
similar temporary relief under applicable Laws). Any and all rights or remedies of any legal
nature which Buyer and the Buyer Designees may otherwise have (other than the claims for specific
performance (primäre Erfüllungspflichten) and the rights and remedies provided for by this
Agreement) against Seller or the Subsidiaries in connection with the acquisition of the Wireline
Communications Business shall, to the extent permitted by applicable Laws, be excluded. In
particular and without limiting the generality of the foregoing, Buyer hereby waives any claims for
representations and warranties provided by Law (Section 434 et seqq. BGB), breaches of contractual
and pre-contractual obligations provided by Law (Section 280 BGB through Section 282 BGB, Section
311 BGB), frustration of contract (Section 313 BGB), and, except as provided by Section 11, Buyer
and the Buyer Designees shall, to the extent permitted by applicable Laws, not have any right to
resign, cancel, rescind (anfechten) or otherwise terminate this Agreement or exercise any right or
remedy which would have a similar effect. The applicability of Section 433 BGB through Section 453
BGB (except for Section 433(1) BGB and Section 433(2) BGB) and Section 377 HGB, including any and
all statutory claims thereunder, shall be excluded to the extent permitted by applicable Law.

     (ii) Subsection (i) above shall apply mutatis mutandis to Seller’s claims against Buyer in
connection with a breach of Buyer’s obligations set forth in this Agreement.

     8.2 General Agreement to Indemnify

     (a) Indemnification by Seller. Subject to the limitations set forth in this
Section 8, in the event of Losses (as defined below) arising by reason of or result from:

          (i) any breach by Seller of any representation or warranty set forth in Section 3 or
any failure of any representation or warranty set forth in Section 3 to have been true and
correct (as of the date or dates when such representation or warranty was made);

          (ii) any breach by Seller of any covenant or agreement contained in this Agreement;

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          (iii) the Excluded Assets or the Excluded Liabilities or any assertion thereof; provided that
solely for the purposes of this clause (iii) subsection (y) of the definition of the term “Losses”
shall be deleted but for the avoidance of doubt in any event the term “Losses” shall include all
pre-Closing liabilities;

          (iv) any claim, demand for Taxes assessed against the Buyer or a Buyer’s Designee or liability
of Buyer or a Buyer’s Designee for Taxes assessed or assessable against the Seller and relating to,
pertaining to, or arising out of the Wireline Communications Business for any Pre-Closing Tax
Period; or

          (v) fraud or willful misconduct of Seller;

(collectively, “Seller Indemnification Events” and each a “Seller Indemnification
Event”) Seller shall, or shall cause its Subsidiaries to, put Buyer or, at the election of
Buyer, the respective Buyer Designee (each a “Buyer Indemnified Party”), in the position
they would have been in had the respective Seller Indemnification Event not occurred
(Naturalrestitution). Should this not prove possible or should Seller refuse to do so or should
Seller not have done so within four (4) weeks of Seller receiving a notice pursuant to Section
8.3 (b) from Buyer (the “Naturalrestitution Period”), Seller shall pay to the
respective Buyer Indemnified Party the amount necessary to compensate such Buyer Indemnified Party
from and against any and all (x) Proceedings, liabilities, obligations, Taxes, losses, and (y) all
other damages for non-performance (Schadensersatz wegen Nicht- bzw. Schlechterfüllung in Geld)
pursuant to Section 249 paragraph 2 German Civil Code (Buergerliches Gesetzbuch; BGB) (including
any lost profits (entgangener Gewinn, Section 252 BGB)), any losses caused by business
interruptions, and any consequential damages (Folgeschäden, direkte und indirekte Schäden)), and
(z) amounts paid in settlement, interest, costs and expenses (including reasonable attorney’s fees,
court costs and other out-of-pocket expenses incurred in investigating, preparing or defending the
foregoing, and including those occurring during the Naturalrestitution Period, but excluding
internal administration and overhead costs) of Buyer or a Buyer Designee (collectively,
“Losses”, provided however that “Losses” shall not include any damages in respect of a
miscalculation of the Purchase Price (including an alleged multiplier based on the Purchase Price)
and any other reduction in value of the Buyer or a Buyer Designee (as opposed to one or more
individual assets owned by the either of them), and any punitive damages (unless any such excluded
damage resulted from Third Party Claims)) incurred or suffered by such Buyer Indemnified Party by
reason of or resulting from any of the matters, measures or actions set forth in Section
8.2(a)(i) through Section 8.2(a)(v) above. In the event of a Third Party Claim, Seller
shall (without any Naturalrestitution Period) indemnify, defend and hold harmless the respective
Buyer Indemnified Party, from any Losses incurred or suffered by such Buyer Indemnified Party by
reason of or resulting from any of the matters, measures or actions set forth in Section
8.2(a)(i) through Section 8.2(a)(v) above.

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     (b) Indemnification by Buyer. Subject to the limitations set forth in this Section 8,
in the event that Losses arise by reason of or result from:

          (i) any breach by Buyer of any representation or warranty set forth in Section 4 or any
failure of any representation or warranty set forth in Section 4 to have been true and
correct as of the date for which such representation or warranty was made;

          (ii) any breach by Buyer of any covenant or agreement contained in this Agreement;

          (iii) any failure of Buyer to discharge any of the Purchased Liabilities;

          (iv) any claim, demand or liability for Taxes relating to, pertaining to, or arising out of
the Wireline Communications Business for any Post-Closing Tax Period; or

          (v) fraud or willful misconduct of Buyer;

(collectively, “Buyer Indemnification Events” and each a “Buyer Indemnification
Event”) Buyer shall, or shall cause its Affiliates to, put Seller or, at the election of
Seller, the respective Seller’s Affiliate (each a “Seller Indemnified Party”), in the
position they would have been in had the respective Buyer Indemnification Event not occurred
(Naturalrestitution). Should this not prove possible or should Buyer refuse to do so or should
Buyer not have done so within four (4) weeks of Buyer receiving a notice pursuant to Section
8.3(b) from Seller (the “Buyer Naturalrestitution Period”), Buyer shall pay to the
respective Seller Indemnified Party the amount necessary to compensate such Seller Indemnified
Party from and against any Losses incurred or suffered by such Seller Indemnified Party by reason
of or resulting from any of the measures or actions set forth in Section 8.2(b)(i)
through Section 8.2(b)(iv) above. In the event of a Third Party Claim, Buyer shall (without
any Buyer Naturalresitution Period) indemnify, defend and hold harmless the respective Seller
Indemnified Party, from any Losses incurred or suffered by such Seller Indemnified Party by reason
of or resulting from any of the matters, measures or actions set forth in Section 8.2(b)(i)
through Section 8.2(b)(iv) above.

     8.3 Procedures for Indemnification

     (a) Third Party Claims.

          (i) If a party to this Agreement asserts claims pursuant to this Section 8 (the
“Indemnified Party”) resulting from the commencement or assertion of any Proceeding by a
Third Party in respect of which indemnification may be sought hereunder (a “Third-Party
Claim”), the Indemnified Party shall give written notice to the party against which
indemnification is sought (the “Indemnifying Party”) promptly after the Indemnified Party
or any of its Affiliates becomes aware of any such Third Party Claim, but in any case within

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ten (10) Business Days after the commencement of any discussions of the Indemnified Party or any
of its Affiliates with the claimant or the initiation of any Proceedings regarding such Third Party
Claim; provided, however, that failure to give such notice shall not relieve the Indemnifying Party
of any liability hereunder (unless and then solely to the extent that the Indemnifying Party has
suffered prejudice by such failure). The Indemnified Party shall ensure that the Indemnifying Party
is provided with all materials and information in relation to such Third Party Claim.

          (ii) If the Indemnifying Party acknowledges in writing its obligation to indemnify the
Indemnified Party without reservation of rights, then the Indemnifying Party shall have the right,
but not the obligation, exercisable by written notice to the Indemnified Party within fifteen (15)
Business Days of receipt of notice from the Indemnified Party of the commencement or assertion of a
Third Party Claim to assume, control and direct the defense of such Third Party Claim except in
cases in which the Third Party Claim seeks injunctive relief of a type that would reasonably be
expected to materially and adversely affect the future operation of the Indemnified Party’s
business. If the Indemnifying Party has not acknowledged in writing its obligation to indemnify the
Indemnified Party, then the Indemnified Party shall have the right to assume and control the
defense or the settlement against such Third Party Claim. In the event that any party exercises its
right to undertake any such defense against any Third Party Claim as provided above, then the other
party shall, and shall cause its Affiliates to, cooperate in such defense and make available at
such cooperating party expense all relevant business records, documents, personnel, materials and
information in such party’s or its Affiliate’s possession and control relating thereto and provide
its respective experts and engineers, as is reasonably required by the party conducting the
defense.

          (iii) The Indemnifying Party or the Indemnified Party, as the case may be, shall have the
right to participate in (but not control), at its own expense, the defense of any Third-Party Claim
that the other party is defending, as provided in this Agreement.

          (iv) The Indemnifying Party, if it has assumed the defense of any Third-Party Claim as
provided in this Agreement, shall not consent to a settlement of, or the entry of any judgment
arising from, any such Third-Party Claim without the Indemnified Party’s prior written consent
(which consent shall not be unreasonably withheld, conditioned or delayed) unless such settlement
or judgment relates solely to monetary damages. The Indemnifying Party shall not, without the
Indemnified Party’s prior written consent, enter into any compromise or settlement that (i) commits
the Indemnified Party to take, or to forbear to take, any action, or (ii) does not provide for a
complete release by such Third Party of the Indemnified Party. The Indemnified Party shall have the
right to settle any Third-Party Claim for which the Indemnifying Party has not assumed the defense
pursuant to this Section 8.3(a) with the written consent of the Indemnifying Party, which
consent shall not be unreasonably withheld, conditioned or delayed.

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     (b) Other Claims.

     In the event an Indemnified Party shall claim a right to payment pursuant to this Agreement,
such Indemnified Party shall send written notice of such claim to the Indemnifying Party, but
failure to give such notice shall not relieve the Indemnifying Party of any liability hereunder
(unless and to the extent that the Indemnifying Party has suffered prejudice by such failure). Such
notice shall specify the basis for such claim, the amount thereof, if known, and the method of
computation thereof, all with reasonable particularity and shall contain a reference to the
provisions of this Agreement in respect of which such a claim shall have been incurred. Such notice
shall be given promptly after the Indemnified Party becomes aware of the basis for each such a
claim.

     8.4 Limitations and Refunds

     (a) Exclusion of Certain Losses.

          (i) An Indemnified Party shall not be indemnified by the Indemnifying Party in accordance with
this Section 8 if and to the extent that

               (u) the Loss of the Indemnified Party is actually recovered from a Third Party or under any
insurance policy; provided, however, that the Indemnified Party shall assign its rights and claims
against such Third Party (other than a customer where the Indemnified Party has reasonably
concluded that the financial or other business consequences of pursuing a claim against such
customer would outweigh the potential recovery) or insurance to the Indemnifying Party such that
the Indemnifying Party can recover itself from the Third Party or the insurance if and to the
extent the Indemnified Party does not assert claims against the Third Party or the insurance
itself, less costs of collection thereof, deductible, and retropremium obligations and a reasonable
estimate of future premium increases directly attributable thereto,

               (v) the Indemnified Party’s Loss results from or is increased by a failure of the Indemnified
Party to mitigate damages pursuant to Section 254 BGB (including a failure to file an application
under Section 138 AO or a comparable provision under applicable foreign Law),

               (w) the payment or settlement of any item giving rise to a claim of the Indemnified Party has
actually resulted in a credit of a Tax benefit for or in a reduction in actual taxes paid by the
Indemnified Party,

               (x) the Loss results from or is increased by the passing of or any change in, after the date
hereof, any Law or administrative practice of any Governmental Body in effect on the date hereof,

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               (y) the matter to which the claims relates has been taken into account as a Euro-for-Euro
deduction pursuant to an adjustment of the Purchase Price or by a cash payment pursuant to
Section 5.4 (m) or has been indemnified or compensated under any other provision of this
Agreement or the Collateral Agreements (“no double dip”), or

               (z) in the event that the Loss is related to a Purchased Fixed Asset and Seller has assigned
to Buyer the warranty claim or claim against an insurance relating to such Purchased Fixed Asset
pursuant to Section 2.2(a)(iv) but only to the extent Buyer has actually recovered from
such claim (and less the costs of collection attributable to such recovery).

          (ii) If and to the extent that the Indemnified Party is refunded or compensated by a Third
Party after the satisfaction of the Indemnified Party’s claim in respect of the relevant matter by
the Indemnifying Party, the Indemnified Party shall pay an amount equal to such realized refund or
compensation (but not exceeding the amount paid by the Indemnifying Party) to the Indemnifying
Party.

          (iii) In the event Buyer seeks indemnification from Seller pursuant to Section
8.2(a)(i), Seller shall not be obliged to indemnify Buyer if the breach of such representation
or warranty in Section 3 to which Buyer’s claim relates was actually known (without
imputation to, or taking into account, the knowledge of, any other person or entity or any
materials provided or made available to Buyer or its representatives or advisors, to the extent the
information contained therein is not actually known by Messrs. [**]) by Messrs.
[**] as of the date of this Agreement.

     (b) Limitation.

          (i) All claims for indemnification under or in connection with this Agreement shall become
time-barred (verjähren) on the earlier of (i) the completion of the statutory audit of the annual
financial statements (Jahresabschluss) of the Buyer for the first full fiscal year following the
Closing Date and (ii) April 30, 2011, except for:

               (v) claims of Buyer for a breach of any of Seller’s representations and warranties set forth
in the Fundamental Representations which shall become time barred on the sixth (6th)
anniversary of the Closing Date;

               (w) all claims of an Indemnified Party in relation to Taxes which shall become time barred for
each Tax three (3) months after the respective Tax liability has become final and non appealable;

               (x) all claims of an Indemnified Party in relation to clause (ii) of Section 8.2(a)
and 8.2(b) which shall become time barred six (6) years after the time period

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set for performance of such covenants (whether or not such covenants were actually performed);

               (y) all claims of an Indemnified Party in relation to clauses (iii) and (iv) of Section
8.2(a) and 8.2(b) which shall become time barred after the expiry of the maximum
limitation period pursuant to the German Civil Code (BGB); and

               (z) all claims for indemnification which arise as a result of willful or intentional
(vorsätzlich) breaches of the Indemnifying Party’s obligations under this Agreement which shall
become time-barred in accordance with the statutory rules set forth in Section 195 BGB and Section
199 BGB,

(the expiration periods in this Section 8.4(b)(i), collectively, the “Time
Limitations”).

          (ii) The expiry of a Time Limitation shall be tolled (gehemmt) pursuant to Section 209 BGB by
any notification of an Indemnified Party pursuant to Section 8.3(a), provided, that the
Indemnified Party commences judicial proceedings within three (3) months after the expiry of the
applicable Time Limitation. Section 203 BGB shall not apply unless the parties agree in writing
that the expiry period shall be tolled on the basis of pending settlement negotiations.

          (iii) Section 202 para. 2 BGB shall in any event remain unaffected.

     (c) Thresholds.

In the event Buyer seeks indemnification from Seller pursuant to Section 8.2(a)(i), Seller
shall only be obliged to indemnify Buyer if and to the extent (i) the aggregate amount of the
liability resulting out of or in connection with an individual indemnification claim pursuant to
Section 8.2(a)(i) (other than with respect to Fundamental Representations) exceeds an
amount of €40,000 (in words: Forty Thousand Euros), provided that, multiple claims or a series of
claims arising out of a single event, cause, circumstance, act or omission or a related or linked
series thereof, shall be aggregated and treated as an individual indemnification claim for this
purpose, and (ii) the aggregate amount of the liability resulting from all individual
indemnification claims pursuant to Section 8.2(a)(i) (other than with respect to
Fundamental Representations or with respect to Section 3.5(c), 3.10(c) or
3.12(b)(ii)) which are not already excluded by Section 8.4(c)(i) exceeds an amount
of €2,550,000 (in words: Two Million Five Hundred Fifty Thousand Euros), in which case Seller shall
only be liable for the excess amount of such liabilities and claims. The aggregate liability of
Seller arising out of or in connection with indemnification claims pursuant to Section
8.2(a)(i) (other than with respect to Fundamental Representations) shall not exceed an amount
of €32,000,000 (in words: Thirty Two Million Euros). The limitations on Seller’s liability
pursuant to this Section 8.4(c) shall not apply to any

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indemnification claims resulting from intentional or willful (vorsätzlich) behavior of Seller or to the extent such
limitations are not permitted under mandatory Laws.

     8.5 Adjustment of Purchase Price, No Set-Off

     (a) Adjustment of the Purchase Price. Amounts payable in respect of the parties’
indemnification obligations shall be treated as an adjustment to the Purchase Price. Buyer and
Seller agree to cooperate in the preparation of a supplemental allocation of the Purchase Price as
a result of any adjustment to the Purchase Price pursuant to the preceding sentence.

     (b) Exclusion of Right to Set-Off. The rights to indemnification under this
Section 8 shall not be subject to set-off for any claim by the Indemnifying Party against
any Indemnified Party, whether or not arising from the same event giving rise to such Indemnified
Party’s claim for indemnification, except for claims which have been acknowledged by the
Indemnified Party in writing or have become legally established (rechtskräftig festgestellt).

9. Certain Post-Closing Covenants

     9.1 Access to Information

     (a) From time to time following the Closing, Seller, subject to applicable Laws, shall, or
shall cause its Affiliates to, make available to Buyer or a Buyer Designee such non-confidential
data and information in personnel records of Transferred Employees as is reasonably necessary for
Buyer to integrate such employees into Buyer’s or a Buyer Designee’s workforce.

     (b) After the Closing Date, Seller and Buyer shall provide, and shall cause their respective
Affiliates to provide, to each other and to their respective officers, employees, accountants,
counsel and other representatives, upon request (subject to any limitations that are reasonably
required to preserve any applicable attorney-client privilege or legal or contractual Third-Party
confidentiality obligation), reasonable access for inspection and copying of all Business Records,
Purchased Contracts and any other information existing as of the Closing Date and relating to the
Wireline Communications Business, the Purchased Assets, the Purchased Liabilities or the
Transferred Employees and shall make their respective personnel reasonably available for
interviews, depositions and testimony in any legal matter concerning transactions contemplated by
this Agreement, the operations or activities relating to the Wireline Communications Business, the
Purchased Assets, the Purchased Liabilities or the Transferred Employees and as otherwise may be
necessary or desirable to enable the party requesting such assistance to (i) comply with any
reporting, filing or other requirements imposed by any Governmental Body, (ii) assert or defend any
claims or allegations in any litigation or arbitration or in any administrative or legal

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proceeding other than claims or allegations that one party to this Agreement has asserted
against the other, (iii) in connection with the preparation or auditing of financial statements, or
(iv) subject to clause (ii) above, perform its obligations under this Agreement. The party
requesting such information or assistance shall reimburse the other party for all reasonable and
necessary out-of-pocket costs and expenses, if any, incurred by such party in providing such
information and in rendering such assistance. The access to files, books and records contemplated
by this Section 9.1(b) shall be during normal business hours and upon reasonable prior
notice and shall be subject to such reasonable limitations as the party having custody or control
thereof may impose to preserve the confidentiality of information contained therein or is subject
to under applicable Laws.

     (c) Buyer agrees to preserve all Business Records in accordance with its corporate policies
related to preservation of records subject to acts of God or other matters outside of its
reasonable control. Buyer further agrees that, to the extent Business Records are placed in
storage, they will be indexed in such a manner as to make individual document retrieval possible in
an expeditious manner.

     9.2 Post Closing Cooperation

     (a) From time to time following the Closing, Seller and Buyer shall, and shall cause their
respective Affiliates to, execute, acknowledge and deliver all such further conveyances, notices,
assumptions, releases and acquittances and such other instruments, and shall use Reasonable
Commercial Efforts to take such further actions, as may be necessary or appropriate to assure fully
to Buyer and its Affiliates and each of their respective successors or assigns, all of the
properties, rights, titles, interests, estates, remedies, powers and privileges intended to be
conveyed to Buyer or a Buyer Designee under this Agreement and the Collateral Agreements and to
assure fully to Seller and its Affiliates and each of their respective successors and assigns, the
assumption of the Purchased Liabilities by Buyer or a Buyer Designee under this Agreement and the
Collateral Agreements, and to otherwise make effective the transactions contemplated hereby and
thereby (including (i) transferring back to Seller or a Subsidiary any asset or liability not
contemplated by this Agreement to be a Purchased Asset or an Purchased Liability, respectively,
which asset or liability was transferred to Buyer or a Buyer Designee at the Closing, and (ii)
transferring to Buyer or a Buyer Designee any asset or liability contemplated by this Agreement to
be a Purchased Asset or an Purchased Liability, respectively, or any other asset of the type
described in Section 2.2(a) which was not identified as a Purchased Asset hereunder but
which (A) exclusively relates to the Wireline Communications Business, (B) if such asset were not
overlooked by both parties as of the date hereof, would reasonably have been identified as a
Purchased Asset hereunder or (C) which the parties mutually agree should have been so identified,
which was not transferred to Buyer or a Buyer Designee at the Closing).

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     (b) If on or after the Closing Date, either party receives a payment from a Third Party
(including a customer of the Wireline Communications Business) that, pursuant to the terms hereof,
should have been paid to the other party, the party who receives the payment agrees to hold in
trust and remit such payment to the party entitled thereto within five (5) Business Days of such
receipt; provided that Section 2.1 shall remain unaffected hereby. For the avoidance of
doubt, although the parties shall use Reasonable Commercial Efforts to insure in each case that
such payments are made in five (5) Business Days, no party shall charge interest to the other party
for the first five (5) Business Days following such deadline.

     (c) The parties shall reasonably cooperate to postpone, to the extent permitted by Law, the
transfer of any Transferred Employee that is subject to a visa or other similar work permit
requirement to be employed by Buyer that has not been obtained by Closing (until such visa or other
similar work permit has been obtained), it being understood that Buyer will bear the costs of
employment for such individual following the Closing.

     9.3 Use of the Seller Name

     (a) Buyer and Seller agree as follows:

          (i) Except as provided below, immediately after the Closing Date, Buyer and any Buyer Designee
shall cease using “Infineon”, “Infineon Technologies”, “IFX” or
“Infineon Technologies AG”) or other similar mark (all of the aforementioned collectively,
the “Seller Name”) and any other trademark, design or logo previously or currently used by
Seller or any of its Affiliates (other than those that are transferred pursuant to the Intellectual
Property Agreement) in all invoices, letterhead, advertising and promotional materials, office
forms or business cards;

          (ii) Except as provided below, within 9 months after the Closing Date, Buyer shall (x) remove
the Seller Name from any facilities or vehicles that are not owned or used by Seller or its
Subsidiaries and (y) cease using the Seller Name and any other trademark, design or logo previously
or currently used by Seller or any of its Affiliates (other than those that are transferred
pursuant to the Intellectual Property Agreement) in electronic databases, web sites, product
instructions, packaging (except as provided below) and other materials, printed or otherwise
(except that Buyer shall have the right to use the Seller Name in connection with any reference to
the Wireline Communications Business prior to the Closing Date, but only in a fashion that is not
indicative of the source of any goods or services or directed to promotion of the Wireline
Communications Business);

          (iii) Buyer shall not be required at any time to remove the Seller Name and any such other
trademark, design or logo from schematics, plans, manuals, drawings, machinery, tooling including
hand tools, and the like of the Wireline Communications Business in existence as of the Closing
Date to the extent that such instrumentalities are

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used (x) in the ordinary internal conduct of the
Wireline Communications Business and are
neither generally observed by the public nor intended for use as means to effectuate or
enhance sales (y) in connection with services provided by Seller under the IT Transitional Services
Agreement;

          (iv) Notwithstanding the above, Buyer shall have the right (A) to mark or have marked current
products of the Wireline Communications Business with the Seller Name for a period of 9 months
after Closing, and (B) to sell the Purchased Inventory and any inventory supplied by Seller under
the Wafer Supply and Service Agreement and the Transitional Assembly and Test Service Agreement and
to use existing packaging, labeling, containers, supplies, advertising materials, technical data
sheets and any similar materials bearing the Seller Name or any other trademark, design or logo
previously or currently used by Seller or any of its Affiliates until the depletion of the
Purchased Inventory and any inventory supplied by Seller under the Wafer Supply and Service
Agreement and the Transitional Assembly and Test Service Agreement. For the avoidance of doubt,
Buyer shall have no obligation to cause any Third Party (including agents and distributors) to
cease using any Seller Name on goods or in any sales or other material in such third party’s
possession upon the expiry of the time periods set forth in Section 9(a)(ii) and
Section 9(a)(iv);

          (v) Buyer shall use Reasonable Efforts to remove the Seller Name and any other trademark,
design or logo previously or currently used by Seller or any of its Affiliates (other than those
that are transferred pursuant to the Intellectual Property Agreement) from those assets of the
Wireline Communications Business (including tools, molds, and machines) used in association with
the products of the Wireline Communications Business or otherwise reasonably used in the conduct of
the Wireline Communications Business after the Closing; for the purposes of this Section 9.3(a)(v),
“Reasonable Efforts” means Buyer shall remove the Seller Name from such assets but only at
such time when such asset is not operated or otherwise is taken out of service in the normal course
of business due to regular maintenance or repair (but only for such repairs or maintenance where
such removal could normally be undertaken, for example, repair or maintenance of a mold cavity)
whichever occurs first. Buyer shall not be required to perform such removal on such assets that
are not or are no longer used to manufacture the products of the Wireline Communications Business
or other parts, or if discontinuance of use of such assets is reasonably anticipated during such
time period, or from assets stored during that period provided that such marks are removed upon
such asset’s return to service or prior to their sale or other disposition.

          (vi) Seller hereby grants to Buyer a limited right to use the Seller Name and associated
trademarks, designs and logos as specified in, and during the periods, if any, specified in clauses
(i) — (v) above.

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     (b) In no event shall Buyer or any Affiliate of Buyer advertise or hold itself out as
Infineon, Infineon Technologies, Infineon Technologies AG or IFX or an Affiliate of Infineon or
Infineon Technologies after the Closing Date.

     9.4 IP Liabilities

     The parties hereby agree and acknowledge that by virtue of this Agreement any existing or
future, known or unknown, conditional or unconditional, monetary liabilities and payment
obligations (including for the avoidance of doubt settlement amounts) of Seller, any Subsidiary,
Buyer and/or any Buyer Designee towards any Third Party in connection with any IP Dispute (“IP
Liabilities”) shall be allocated between and borne by the Parties as follows:

     (a) Seller Retained IP Liabilities.

     Seller and/or the respective Subsidiary shall retain, and be fully liable for, and fully
indemnify Buyer and Buyer’s Affiliates for, any and all IP Liabilities to the extent they are to be
attributed to the operation of the Wireline Communications Business prior to the Closing Date,
including for the avoidance of doubt to the extent related to products shipped prior to the Closing
Date, arising out of or in connection with (i) any final and legally binding court order or court
ruling issued against Seller or a Subsidiary, (ii) with regard to the patents licensed pursuant to
the agreements between Seller and Wi-LAN Inc. set forth on Schedule 5.8 or any other mutual
settlement entered into by, Seller or a Subsidiary with respect to any existing IP Dispute, or
(iii) the IP Dispute concerning Mosaid as further described in Schedule 9.4(a) (it being
understood that (i) IP Liabilities which are to be attributed to the operation of the Wireline
Communications Business prior to the Closing Date (including for the avoidance of doubt to the
extent related to products shipped prior to the Closing Date), that may be brought by Seller’s or
Seller’s Affiliates’ customers against Seller or Seller’s Affiliates due to a patent infringement
claim by Mosaid other than those described in Schedule 9.4(a) shall be treated pursuant to
Section 9.4(c) below, and (ii), for the avoidance of doubt, IP Liabilities which are to be
attributed to the operation of the Wireline Communications Business after the Closing Date
(including for the avoidance of doubt to the extent related to products shipped following the
Closing Date irrespective of when such product was designed, developed or produced) shall be
treated pursuant to Section 9.4(b)(i)).

     (b) Buyer Assumed IP Liabilities.

          (i) Buyer shall bear, be fully liable for, and fully indemnify Seller and any Subsidiary for,
any and all IP Liabilities to the extent they are to be attributed to the

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operation of the Wireline
Communications Business after the Closing Date, including for the avoidance of doubt to the extent
related to products shipped following the Closing Date irrespective of when such product was
designed, developed or produced, but excluding the CIF Claims.

          (ii) With regard to IP Liabilities to the extent they are to be attributed to the operation of
the Wireline Communications Business prior to the Closing Date, Buyer shall assume, be fully liable
for, and fully indemnify Seller and any Subsidiary for, any and all such IP Liabilities if and to
the extent that prior to the sixth (6th) anniversary of the Closing Date neither (x) a court action
will have been initiated or become pending pursuant to Section 261 German Act on Civil Procedure
(ZPO) (rechtshängig) or similar provision under applicable Laws, nor (y) arbitral proceedings will
have been initiated, with respect to such IP Liabilities for Seller, any Subsidiary, Buyer and/or
any Buyer Designee.

     (c) Shared IP Liabilities. 

          (i) With regard to IP Liabilities to the extent they are to be attributed to the operation of
the Wireline Communications Business by the Seller and the Subsidiaries prior to the Closing Date,
Buyer and Seller shall share any and all IP Liabilities arising out of or in connection with:

               (A) the IP Disputes currently pending against Seller or any Subsidiary in (y) court, or (z)
before an arbitral tribunal, all of which are listed on Schedule 9.4(c)(ii)(A);

               (B) any IP Dispute notified by means of a Notification Letter which Seller and/or any
Subsidiary have received by the respective Third Party prior to or on the Closing Date; and

               (C) any IP Dispute for which prior to the sixth (6th) anniversary of the Closing Date (x) a
court action will have become pending pursuant to Section 261 German Act on Civil Procedure (ZPO)
(rechtshängig) or similar provision under applicable Laws, or (y) arbitral proceedings will have
been initiated, with respect to such IP Dispute against Seller, any Subsidiary, Buyer and/or any
Buyer Designee;

               ((A) through (C) collectively “Shared IP Liabilities”, together with the CIF Claims,
the “Total Shared IP Liabilities”), where “CIF Claims” means all IP Liabilities related to
the actions set forth under para. 1 “CIF vs. Deutsche Telekom et al.” on Schedule
9.4(c)(i)(A) attributable to the operation of the Wireline Communications Business either
before or after the Closing Date or both, or any other case brought by CIF Licensing LLC alleging
infringement of the same patent claims or foreign equivalents thereof.

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          (ii) Buyer shall assume, and indemnify Seller and any Subsidiary against any Shared IP
Liabilities determined by an enforceable court order or court ruling, or by settlement with the
consent of Buyer (and Seller, which consent shall not be unreasonably withheld) up to an amount of
€2,550,000 (in words: Two Million Five Hundred and Fifty Thousand Euros) in the aggregate (the
“IP Deductible”) and, if and to the extent the Shared
IP Liabilities exceed the IP Deductible, then Buyer and Seller shall each bear 50% of the
amount of the Shared IP Liabilities, subject to subsection (iv) below; and Buyer, subject to
subsection (iv) below, and Seller shall indemnify each other and such other’s Affiliates
accordingly.

          (iii) With respect to any IP Liabilities related to the CIF Claims, Buyer shall bear 20%, and
Seller shall bear 80%, of the amount of the same; and Buyer, subject to subsection (iv) below, and
Seller shall each indemnify each other and such other’s Affiliates accordingly.

          (iv) Buyer’s total payments under subsections (ii) and (iii) above shall not exceed
€10,050,000 (in words: Ten Million Fifty Thousand Euros) in the aggregate, and thereafter Seller
shall be liable for, and indemnify Buyer for, 100% of the Total Shared IP Liabilities.

     (d) All retained IP Liabilities pursuant to Section 9.4(a) and the portion of all
Total Shared IP Liabilities for which Seller is liable pursuant to Section 9.4(c) shall
constitute excluded liabilities, and all assumed IP Liabilities pursuant to Section 9.4(b) and the
portion of all Total Shared IP Liabilities for which Buyer is liable pursuant to Section 9.4(c)
shall constitute assumed liabilities.

     (e) Mutual Cooperation.

     In the event that Seller, any Subsidiary, Buyer and/or any Buyer Designee is notified or in
any other way becomes aware of an IP Dispute and/or the commencement of legal action by a Third
Party with respect to an IP Dispute, Seller or Buyer, as the case may be, promptly shall send
written notice of such IP Dispute to the other party, provided, however, that failure to give such
notice shall not relieve such party of any liability hereunder unless the other party has suffered
prejudice by such failure. Either party shall, and shall cause its Affiliates to, assist and
cooperate with the respective other party in any defense against any IP Dispute. In particular,
either party shall, and shall cause its Affiliates to, make available at its own expense all
relevant court filings, business records, documents, personnel, materials and information in such
party’s or its Affiliate’s possession and control relating thereto and provide its or its
Affiliate’s respective experts and engineers (including those experts and engineers who have been
involved in the respective case prior to the Closing Date), as is reasonably required by the other
party conducting the defense in connection with the IP Dispute without undue delay.

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     (f) Participation in Defense.

     In the event of any IP Dispute, each party shall be entitled but not obligated to participate
in, at its own expense, the defense of such IP Dispute by the other party. No party shall consent
to a settlement of, or the entry of any judgment arising from, any such IP
Dispute without the other party’s prior written consent (which consent shall not be
unreasonably withheld, conditioned or delayed, it being understood that any consent that (i)
commits such other party to take, or to forbear to take, any action (other than the payment of
monies as specified in this Section 9.4), or (ii) does not provide for a complete release by such
Third Party of such other party shall be a reasonable basis for withholding consent), except that
Buyer shall have the right to settle any IP Dispute in which injunctive relief of a type that would
reasonably be expected to materially and adversely affect the future operation of the Buyer’s
business is sought; and provided, however, that that ,no consent to a settlement shall be required
on behalf of the other party if, in the case of a proposed settlement by Buyer, the IP Dispute is
related entirely to the post-Closing period (other than the CIF Claims), and, in the case of a
proposed settlement by Seller, (X) the IP Dispute is related entirely to the pre-Closing period or
(Y) Buyer has already paid €10,050,000 (in words: Ten Million Fifty Thousand Euros) pursuant to
Section 9.4(c)(ii) and the IP Dispute only involves the payment of monies, and in the case
of either (X) or (Y) provides a complete release to Buyer.

     (g) Parties’ own Losses; Effect of Specific IP Provisions.

     For the avoidance of doubt, neither party shall be liable for losses, damages, costs and
expenses incurred by the other party as a result of an IP Dispute unless expressly provided in this
Section 9.4; provided that the provisions of this Section 9.4 shall not limit the
rights of Buyer to bring a claim for a breach of the representations and warranties contained in
Section 3 for a breach as of the date of this Agreement.

     (h) Costs and Expenses.

     Each party shall bear all the fees, internal and external costs and expenses incurred by such
party in connection with the conduct of such IP Dispute in connection with any IP Liability
(including such party’s attorney’s and court fees) and such fees, costs and expenses shall not
constitute IP Liabilities for the purposes of this Agreement.

     9.5 Management Plan Participation

     It is presently the Buyer’s intention to establish a management participation plan. Buyer
shall provide information regarding such plan to Seller, and Seller shall determine whether the
objectives of such management plan provide incentives for Transferred Employees that are acceptable
to Seller. In such event, Seller shall pay to Buyer the amount

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of [**] at Closing, which amount shall be used to fund such plan.

     9.6 Non Solicitation

     For a period of two (2) years from the Closing Date, each of Seller and Buyer shall not, and
shall procure that their respective Affiliates will not, without the prior written consent of the
other party, directly or indirectly solicit or employ any employee of the other party or its
Affiliates; provided, however, that this shall not prohibit (i) the hiring of any employee who
responds to generalized searches for employees through media advertisements, employment firms or
otherwise that are not specifically targeted to employees of the Subsidiary or (ii) the hiring of
any employee who initiated contact regarding such employment.

     9.7 Non Compete

     Seller agrees that, for a period of three (3) years following the Closing Date, neither Seller
nor any of its Affiliates will, directly or indirectly, operate or have any ownership interest in
any Competing Business, except that Seller may purchase or otherwise acquire by merger, purchase of
assets, stock, controlling interest or otherwise any Person or business or engage in any similar
merger and acquisition activity with any Person the primary business of which is not a Competing
Business (the “Acquired Business”), provided that Seller shall, to the extent it has the
required control over the Acquired Business, offer to Buyer to acquire those parts of the Acquired
Business which are a Competing Business at fair market value and subject to customary terms and
conditions. For the purposes of this Section 9.7, (i) a minority participation in a
company which is not in excess of five percent (5%) of any class of shares shall not be considered
to be an ownership interest in a Competing Business, and (ii) a Person shall not be considered to
be in the “primary business” of competing with the Wireline Communications Business if such Person
derives less than twenty-five percent (25%) of its revenues from the Competing Business. The
parties agree that the agreements and limitations set forth above in this Section 9.7 shall
not apply to any entity that acquires all or part of Seller in any transaction but shall
nevertheless continue to apply to Seller and its Subsidiaries following such acquisition and Seller
undertakes that no Proprietary Information or other commercially sensitive information concerning
the Wireline Communications Business shall be (x) transferred by Seller or any of its Subsidiaries
to such acquirer or (y) used by Seller.

     9.8 Distributor Issues

     Schedule 9.8 sets forth a list of those distributors of Seller or its Subsidiaries
that are used in connection with the Wireline Communications Business (the “Wireline
Distributors”).

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     (a) The parties shall use Reasonable Commercial Efforts to
[**]  to the extent related to the
Wireline Communications Business.

     (b) With respect to the Wireline Distributors identified with an asterisk in Schedule 9.8
which Buyer intends to continue a distributorship relationship, (A) Seller shall work together with Buyer in good faith to
conclude a separate agreement with such Wireline Distributor on a standalone basis and on terms and conditions reasonably
favorable to Buyer, and (B) Buyer shall work together with Seller in good faith to terminate the portion of Seller’s
distributorship agreement for such Wireline Distributor related to the Wireline Communications Business and minimize any [**]
related thereto.

     (c) With respect to the repurchase of inventory from any Wireline Distributor, Seller shall
accept. and pay for, the return of any stock of products from any such distributors, and shall
(unless Seller elects to destroy such product or such product is obsolete or defective) offer the
same to Buyer and, if Buyer does not elect to purchase the same within five (5) Business Days after
its receipt of such offer, shall have right to sell to any Third Party, provided that Seller shall
inform Buyer prior to selling the same to any Third Party at a price less than that offered to
Buyer (and permit Buyer to purchase the same at such price).

     (d) Buyer and Seller shall share any of Seller’s costs (other than internal costs and return
of stock which shall be dealt with pursuant to subsection (iii) and not including any out-of-pocket
expenses (Auslagen)) associated with [**]

     9.9 Post-Closing German and Austrian Law Employee Invention Payments

     Following the Closing Date, (i) to the extent Buyer has acquired any Purchased Intellectual
Property, Buyer shall following the Closing Date pay any amounts due to individuals under the
German Employee Invention Act (Arbeitnehmererfindergesetz) or the Austrian law for service
inventions (Diensterfindungen) to the relevant individual for the time period described in such
Law, and (ii) to the extent Seller or any Seller Subsidiary retains any Proprietary Information
developed by a Transferred Employee, Seller shall continue to pay any amounts due under the German
Employee Invention Act (Arbeitnehmererfindergesetz) or the Austrian law for service inventions
(Diensterfindungen) to such Transferred Employee for the time period described in such Law. The
parties shall

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cooperate in good faith to minimize any cross-payments as set-offs each against the
other where possible.

     9.10 Post-Closing Patent Acquisition

     Until the later of December 31, 2009 and the sixtieth (60th) day after the Closing Date, Buyer
shall have the right to notify Seller of twenty (20) patent families owned by Seller or its
Affiliates at such time (out of which Buyer would expect to obtain the assignment of five (5) of
such patent families). Within twenty (20) Business Days of receiving such notice, Seller shall
select five (5) patent families out of the list of twenty (20) patent families notified by Buyer,
and deliver a patent assignment for all the patents contained in such five (5) patent families
substantially in the form of Appendix G to the Intellectual Property Agreement without
further consideration to be paid by Buyer. Until such time as the actions contemplated by this
Section 9.10 are completed, Seller and its Affiliates shall not execute a patent license
agreement or similar grants of rights in favor of any entity set forth on Exhibit N.

10. Miscellaneous Provisions

     10.1 Notices

     All notices and other communications hereunder shall be in writing and shall be deemed to have
been duly given upon receipt if (i) mailed by certified or registered mail, return receipt
requested, (ii) sent by Federal Express or other express carrier, fee prepaid, (iii) sent via
facsimile with receipt confirmed, or (iv) delivered personally, addressed as follows or to such
other address or addresses of which the respective party shall have notified the other.

	 	 	 	 	 	 	 
	 

	 	(a)
	 	If to Seller, to:
	 	Infineon Technologies AG
	 

	 	 	 	 	 	Attn: Head of CDIR M&A
	 

	 	 	 	 	 	Am Campeon 1-12
	 

	 	 	 	 	 	85579 Neubiberg
	 

	 	 	 	 	 	Federal Republic of Germany
	 

	 	 	 	 	 	Facsimile: (+49) (89) 234 9550630
	 
	 	 	 	 	 	 
	 

	 	 	 	With a copy to:
	 	Infineon Technologies AG
	 

	 	 	 	 	 	Attn: General Counsel
	 

	 	 	 	 	 	Am Campeon 1-12
	 

	 	 	 	 	 	85579 Neubiberg
	 

	 	 	 	 	 	Federal Republic of Germany
	 

	 	 	 	 	 	Facsimile: (+49) (89) 234 26983.
	 
	 	 	 	 	 	 
	 

	 	(b)
	 	If to Buyer, to:
	 	Wireline Holding S.à.r.l.

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	 	 	 	 	 	Attn: John Knoll
	 

	 	 	 	 	 	412F, Route d’Esch, L-1030
	 

	 	 	 	 	 	Luxembourg
	 

	 	 	 	 	 	Grand Duchy of Luxembourg
	 

	 	 	 	 	 	Facsimile:
	 
	 	 	 	 	 	 
	 

	 	 	 	with a copy to:
	 	Golden Gate Capital
	 

	 	 	 	 	 	Attention: John Knoll and Felix Lo
	 

	 	 	 	 	 	One Embarcadero Center
	 

	 	 	 	 	 	39th Floor
	 

	 	 	 	 	 	San Francisco, CA 94111
	 

	 	 	 	 	 	Facsimile: (+1) (415) 983-2701
	 
	 	 	 	 	 	 
	 

	 	 	 	With a copy to:	 	 
	 

	 	 	 	 	 	Kirkland & Ellis LLP
	 

	 	 	 	 	 	Attention: Stephen D. Oetgen
	 

	 	 	 	 	 	555 California Street
	 

	 	 	 	 	 	San Francisco, California 94104
	 

	 	 	 	 	 	Facsimile: (+1) (415) 439-1500

     10.2 Expenses

     Except as otherwise provided in this Agreement, each party to this Agreement will bear all the
fees, costs and expenses that are incurred by it in connection with the negotiation and execution
of this Agreement and the consummation of the transactions contemplated hereby, whether or not such
transactions are consummated.

     10.3 Entire Agreement; Modification

     The agreement of the parties, which consists of this Agreement, the Schedules and Exhibits
hereto and the documents referred to herein, sets forth the entire agreement and understanding
between the parties and supersedes any prior agreement or understanding, written or oral, relating
to the subject matter of this Agreement, including the Confidentiality Agreement. No amendment,
supplement, modification or waiver of this Agreement (including this Section 10.3) shall be binding
unless executed in writing by the party to be bound thereby.

     10.4 Assignment; Binding Effect; Severability

     This Agreement may not be assigned by any party hereto without the other party’s prior written
consent; provided, that Buyer may transfer or assign in whole or in part to one or more
Buyer Designee the right to purchase all or a portion of the Purchased Assets, but

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no such transfer
or assignment will relieve Buyer of its obligations hereunder, and Buyer may assign any of its
rights, title, interest or obligations hereunder to an Affiliate or for collateral security to any
lender providing financing to Buyer or any of its Affiliates; and that Seller shall have the right
to assign to any transferee providing financing its right to receive the Deferred Purchase Price
(but, prior to such assignment, Seller shall have offered such
assignment to Buyer on financial terms and conditions that are the same (other than any fees
charged by a transferee) and Buyer shall have five (5) Business Days to consider such offer). This
Agreement shall be binding upon and inure to the benefit of and be enforceable by the successors,
legal representatives and permitted assigns of each party hereto. The provisions of this Agreement
are severable, and in the event that any one or more provisions are deemed illegal or unenforceable
the remaining provisions shall remain in full force and effect unless the deletion of such
provision shall cause this Agreement to become materially adverse to either party, in which event
the parties shall use reasonable commercial efforts to arrive at an accommodation that best
preserves for the parties the benefits and obligations of the offending provision.

     10.5 Governing Law; Arbitration

     (a) Governing Law. This Agreement and the transactions contemplated thereby shall be
governed by, and be construed in accordance with, the laws of the Federal Republic of Germany,
without regard to principles of conflicts of laws and without regard to the UN Convention on the
Sale of Goods (CISG).

     (b) Arbitration. Following the Closing, subject to Sections 10.5(c) and (d),
any dispute, controversy or difference arising out of or in connection with this Agreement,
including any issue regarding its existence or validity, but excluding any dispute, controversy or
difference arising out of or in connection with the payment of the Deferred Purchase Price by Buyer
pursuant to Section 2.5(i), (hereinafter referred to as a “Dispute”) shall be
attempted to be settled amicably by negotiations between the parties within 30 Business Days from
the date of receipt of a written notice from a party of the existence of a Dispute. All applicable
statutes of limitations, prescriptions periods, and defenses based on the passage of time shall be
tolled during this period of thirty (30) Business Days. Failing such amicable settlement any
Dispute shall be finally settled in accordance with the Arbitration Rules of the International
Chamber of Commerce (ICC) without recourse to the ordinary courts of law. The place of arbitration
shall be Frankfurt am Main, Germany, unless Buyer elects Munich, Germany. Subject to Section
10.5(c), the arbitral tribunal shall consist of three arbitrators. The language of the arbitral
proceedings shall be English; provided, however, that documents originally existing in German may
be submitted in the German language.

     (c) Expedited Arbitral Proceedings. Notwithstanding Section 10.5(b) above,
all disputes between the parties as to whether the Closing Conditions set forth in Section
7.2 have been fulfilled or waived and other disputes as to whether the parties are obliged to

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consummate the transaction contemplated and which arises prior to Closing, shall be finally settled
in accordance with the Arbitration Rules and the Supplementary Rules for Expedited Proceedings
(such rules the “Supplementary Rules”) of the German Institution of Arbitration e.V. (DIS) without
recourse to the ordinary courts of law. The arbitral tribunal shall consist of one arbitrator.
Deviating from Section 1 para. 2 of the Supplementary Rules, the duration
of arbitral proceedings pursuant this Section 10.5(c) shall in no event be longer than
six weeks after the filing of the statement of claim with the DIS Main Secretariat in Cologne
pursuant to Section 1 para. 3 of the Supplementary Rules. Section 10.5(b) third and fifth
sentence shall apply mutatis mutandis. For the avoidance of doubt, this Section 10.5(c) shall not
apply if a dispute described in sentence 1 arises only after Closing.

     (d) Exclusive Jurisdiction of Ordinary Courts Munich. Notwithstanding Section
10.5(b) and Section 10.5(c) above, the competent ordinary courts in Munich, Germany,
shall have exclusive jurisdiction for any dispute, controversy or difference arising out of or in
connection with the payment of the Deferred Purchase Price by Buyer pursuant to Section
2.5(i) and, for the avoidance, for the purpose of obtaining injunctive relief.

     10.6 Execution in Counterparts

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

     10.7 No Third Party Beneficiaries

     Nothing in this Agreement, express or implied, is intended to or shall (a) confer on any
Person other than the parties hereto and their respective successors or assigns any rights
(including Third-Party beneficiary rights), remedies, obligations or liabilities under or by reason
of this Agreement or (b) constitute the parties hereto as partners or as participants in a joint
venture. This Agreement shall not provide Third Parties with any remedy, claim, liability,
reimbursement, cause of action or other right in excess of those existing without reference to the
terms of this Agreement. Nothing in this Agreement shall be construed as giving to any Business
Employee, or any other individual, any right or entitlement to employment or continued employment
or any right or entitlement under any Benefit Plan, policy or procedure maintained by Seller,
except as expressly provided in such Benefit Plan, policy or procedure. No Third Party shall have
any rights under Section 502, 503 or 504 of ERISA or any regulations thereunder because of this
Agreement that would not otherwise exist without reference to this Agreement. No Third Party shall
have any right, independent of any right that exists irrespective of this Agreement, under or
granted by this Agreement, to bring any suit at Law or equity for any matter governed by or subject
to the provisions of this Agreement.

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11. Termination and Waiver

     11.1 Termination

     This Agreement may be terminated at any time prior to the Closing Date by:

     (a) Mutual Consent. The mutual written consent of Buyer and Seller,

     (b) Court or Administrative Order. Buyer or Seller if (i) there shall be in effect a
final, non-appealable order of a court or government administrative agency of competent
jurisdiction prohibiting the consummation of the transactions contemplated by this Agreement, or
(ii) there shall be any Law that makes consummation of the transactions contemplated by this
Agreement illegal or otherwise prohibited,

     (c) Delay.
Buyer or Seller if the Closing shall not have occurred by December
31, 2009, or

     (d) Certain Schedule Updates. Buyer if Seller shall have delivered any updated
version of any Schedule(s) pursuant to the second paragraph of the preamble to Section 3
and the matters that are subject of all such updates could reasonably be expected to result in more
than €2,550,000 (in words: Two Million Five Hundred Fifty Thousand Euros) in Losses to Buyer
Indemnified Parties in the aggregate.

     provided, however, that the party seeking termination pursuant to clauses (b) or (c) is not
then in breach in any material respect of any of its representations, warranties, covenants or
agreements contained in this Agreement.

     11.2 Effect of Termination

     In the event of the termination of this Agreement in accordance with Section 11.1, this
Agreement shall become void and have no effect, without any liability on the part of any party or
its directors, officers or stockholders, except for the obligations of the parties hereto as
provided in Section 6 relating to the obligations of Buyer and Seller to keep confidential certain
information, Section 10.2 relating to certain expenses, Section 10.7 relating to publicity and this
Section 11.2. Nothing in this Section 11.2 shall be deemed to release either party from any
liability for any willful and intentional (vorsätzlich) breach of any obligation or covenant
hereunder.

     11.3 Waiver of Agreement

     Any term or condition of this Agreement may be waived at any time prior to the Closing Date by
the party which is entitled to the benefits of such term or condition, provided, however, that such
waiver shall be evidenced by a written instrument duly

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executed on behalf of such party by its duly authorized officer or employee. The failure of
either party to enforce at any time any provision of this Agreement shall not be construed to be a
waiver of such provision nor shall it in any way affect the validity of this Agreement or the right
of such party thereafter to enforce each and every such provision. No waiver of any breach of this
Agreement shall be held to constitute a waiver of any other or subsequent breach.

* * * * *

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     IN WITNESS WHEREOF, each party has caused this Agreement to be duly executed on its behalf by
its duly authorized officer as of the date first written above.

	 	 	 	 	 
	 	INFINEON TECHNOLOGIES AG

 	 
	 	By:  	/s/
Hermann Eul
 	 
	 	Name:  	Prof. Dr. Hermann Eul 	 
	 	Title:  	Member of the Management Board 	 
	 
	 	 	 
	 	By:  	
/s/ Dr Marco Schröter
 	 
	 	Name:  	Dr Marco Schröter	 
	 	Title:  	CFO 	 
	 
	 	WIRELINE HOLDING S.À.R.L.

 	 
	 	By:  	 	 
	 	Name:  	 	 
	 	Title:  	 	 
	 

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