Exhibit 2.1
 EXECUTION VERSION




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TABLE OF CONTENTS
 PageARTICLE I DEFINITIONS
    
    
    1Section 1.1 Definitions
    
    
    1ARTICLE II THE MERGER
    
    
    2Section 2.1 The Merger
    
    
    2Section 2.2 Closing
    
    
    2Section 2.3 Effective Time
    
    
    2Section 2.4 Articles of Incorporation and Bylaws
    
    
    2Section 2.5 Board of Directors
    
    
    2Section 2.6 Officers
    
    
    2ARTICLE III EFFECT OF THE MERGER ON CAPITAL STOCK; EXCHANGE OF CERTIFICATES
    
    
    3Section 3.1 Effect on Securities
    
    
    3Section 3.2 Exchange of Certificates
    
    
    4Section 3.3 Stock Options and Unvested Restricted Shares
    
    
    6Section 3.4 Lost Certificates
    
    
    7Section 3.5 Dissenting Shares
    
    
    7Section 3.6 Transfers; No Further Ownership Rights
    
    
    8ARTICLE IV REPRESENTATIONS AND WARRANTIES OF THE COMPANY
    
    
    8Section 4.1 Organization and Qualification; Subsidiaries
    
    
    8Section 4.2 Articles of Incorporation and By-Laws
    
    
    9Section 4.3 Capitalization
    
    
    9Section 4.4 Authority Relative to Agreement
    
    
    10Section 4.5 No Conflict; Required Filings and Consents
    
    
    11Section 4.6 Permits and Licenses; Compliance with Laws
    
    
    12Section 4.7 Company SEC Documents
    
    
    12Section 4.8 Disclosure Controls and Procedures; Internal Controls over Financial
Reporting
    
    
    13Section 4.9 Absence of Certain Changes or Events
    
    
    13Section 4.10 No Undisclosed Liabilities
    
    
    14Section 4.11 Absence of Litigation
    
    
    14Section 4.12 Employee Benefit Plans
    
    
    14




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PageSection 4.13 Labor Matters
    
    
    16Section 4.14 Trademarks, Patents and Copyrights
    
    
    16Section 4.15 Taxes
    
    
    18Section 4.16 Material Contracts
    
    
    19Section 4.17 Opinion of Financial Advisor
    
    
    20Section 4.18 Vote Required
    
    
    20Section 4.19 Brokers
    
    
    21Section 4.20 Real Property
    
    
    21Section 4.21 Insurance
    
    
    21Section 4.22 Environmental
    
    
    21Section 4.23 Title to Assets
    
    
    22Section 4.24 Customers and Vendors
    
    
    22Section 4.25 Confidentiality Obligations; Data Privacy
    
    
    23Section 4.26 Transactions with Affiliates
    
    
    23Section 4.27 Foreign Corrupt Practices Act Compliance
    
    
    23Section 4.28 No Other Representations or Warranties
    
    
    23ARTICLE V REPRESENTATIONS AND WARRANTIES OF PARENT AND ACQUISITION SUB
    
    
    24Section 5.1 Organization and Qualification; Subsidiaries
    
    
    24Section 5.2 Articles of Incorporation, By-Laws, and Other Organizational Documents
    
    
    24Section 5.3 Authority Relative to Agreement
    
    
    24Section 5.4 No Conflict; Required Filings and Consents
    
    
    25Section 5.5 Absence of Litigation
    
    
    26Section 5.6 Guaranty
    
    
    26Section 5.7 Capitalization of Acquisition Sub
    
    
    26Section 5.8 Brokers
    
    
    26Section 5.9 Solvency
    
    
    26Section 5.10 Parent Ownership of Company Securities
    
    
    27Section 5.11 Acknowledgement of Disclaimer of Other Representations and Warranties
    
    
    27




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PageARTICLE VI COVENANTS AND AGREEMENTS
    
    
    28Section 6.1 Conduct of Business by the Company Pending the Merger
    
    
    28Section 6.2 Proxy Statement
    
    
    31Section 6.3 Stockholders Meetings
    
    
    32Section 6.4 Appropriate Action; Consents; Filings
    
    
    33Section 6.5 Access to Information; Confidentiality
    
    
    34Section 6.6 No Solicitation of Competing Proposal
    
    
    35Section 6.7 Directors and Officers Indemnification and Insurance
    
    
    37Section 6.8 Notification of Certain Matters; Litigation relating to Merger
    
    
    39Section 6.9 Public Announcements
    
    
    40Section 6.10 Employee Matters
    
    
    40Section 6.11 Financing Cooperation
    
    
    42Section 6.12 No Control of the Companys Business
    
    
    42Section 6.13 Rule 16b-3
    
    
    43Section 6.14 Anti-Takeover Laws
    
    
    43ARTICLE VII CONDITIONS TO THE MERGER
    
    
    43Section 7.1 Conditions to the Obligations of Each Party
    
    
    43Section 7.2 Conditions to the Obligations of Parent
    
    
    44Section 7.3 Conditions to the Obligations of the Company
    
    
    44ARTICLE VIII TERMINATION, AMENDMENT AND WAIVER
    
    
    45Section 8.1 Termination
    
    
    45Section 8.2 Effect of Termination
    
    
    47Section 8.3 Termination Fees
    
    
    47Section 8.4 Amendment
    
    
    48Section 8.5 Waiver
    
    
    48Section 8.6 Expenses; Transfer Taxes
    
    
    49ARTICLE IX GENERAL PROVISIONS
    
    
    49Section 9.1 Non-Survival of Representations, Warranties and Agreements
    
    
    49Section 9.2 Notices
    
    
    49Section 9.3 Interpretation; Certain Definitions
    
    
    51Section 9.4 Severability
    
    
    51Section 9.5 Assignment
    
    
    51Section 9.6 Entire Agreement; No Third-Party Beneficiaries
    
    
    51Section 9.7 Governing Law
    
    
    52Section 9.8 Specific Performance
    
    
    52Section 9.9 Consent to Jurisdiction
    
    
    52Section 9.10 Counterparts
    
    
    53Section 9.11 WAIVER OF JURY TRIAL
    
    
    53Appendix A
    
    
    A-1




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Agreement Parent Acquisition Sub Company
 WITNESSETH
 Merger IBCA
 Voting Agreement
 Guaranty
  ARTICLE I
DEFINITIONS
 Section 1.1 Definitions Appendix A
  1




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ARTICLE II
THE MERGER
 Section 2.1 The Merger Surviving
Corporation
 Section 2.2 Closing Article VII Closing Article
VII Closing
Date
 Section 2.3 Effective Time.
 Articles of Merger Secretary
of State Effective Time
  Section 2.4 Articles of Incorporation and Bylaws Section 6.7
 Section 2.5 Board of Directors
 Section 2.6 Officers
  2




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ARTICLE III
EFFECT OF THE MERGER ON CAPITAL STOCK; EXCHANGE OF CERTIFICATES
 Section 3.1 Effect on Securities
 Cancellation of Company Securities Common Stock
 Conversion of Company Securities Section 3.1(a) Merger Consideration Section 3.1(b) Certificates Book-Entry Shares Section 3.2
 Conversion of Acquisition Sub Capital Stock
 Adjustments Section
3.1(b)
  3




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Section 3.2 Exchange of Certificates.
 Designation of Paying Agent; Deposit of Exchange Fund Paying Agent Section
3.1(b) Section 3.3(d) Exchange Fund Section 3.1(b) Section 3.3(d) Section
3.1(b) Section 3.3(d) Section 3.1(b) Section
3.3(d)
  Section 3.2(d)
  4




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Termination of Exchange Fund Article III
 No Liability
 Investment of Exchange Fund provided Article III Section 3.1(b) Section 3.3(d
  5




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Withholding provided that
 Section 3.3 Stock Options and Unvested Restricted Shares.
 Vesting of Company Options
 Treatment of Vested Company Options Option Cash Payment
 Treatment of Unvested Company Options
  6




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Treatment of Unvested Restricted Shares Section
3.1
 Tax Withholding Section
3.3
 Further Action Section 3.3 provided
 Funding Section 3.3(b)
 Section 3.4 Lost Certificates Article III
 Section 3.5 Dissenting Shares Section 3.1(b) Dissenting Shares provided however
  7




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Section 3.6 Transfers; No Further Ownership Rights Section 3.1(b)
 ARTICLE IV
REPRESENTATIONS AND WARRANTIES OF THE COMPANY
 Company Disclosure Letter
 Section 4.1 Organization and Qualification; Subsidiaries
  8




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Section 4.2 Articles of Incorporation and By-Laws
 Section 4.3 Capitalization.
 Preferred
Stock Capitalization Date
   9




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Section 4.4 Authority Relative to Agreement.
    10




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Section 4.5 No Conflict; Required Filings and Consents.
 Section 4.5(b)
 Antitrust
Laws
  11




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Section 4.6 Permits and Licenses; Compliance with Laws Company Permits
 Section 4.7 Company SEC Documents.
 Company SEC
Documents
  12




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Section 4.8 Disclosure Controls and Procedures; Internal Controls over Financial
Reporting
 Section 4.9 Absence of Certain Changes or Events Section 6.1 Section 6.1
  13




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Section 4.10 No Undisclosed Liabilities
 Section 4.11 Absence of Litigation
 Section 4.12 Employee Benefit Plans.
 Company Employees Company Benefit Plans
  14




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ERISA Affiliate
   15




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Section 4.13 Labor Matters
 Section 4.14 Trademarks, Patents and Copyrights.
 Intellectual Property
Rights Company Intellectual Property Rights
  16




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IT Assets
  17




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Section 4.15 Taxes.
         18




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Section 4.16 Material Contracts.
              19




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Section 4.16(a) Company Material Contract.
 Schedule 4.16(b) provided
 Section 4.17 Opinion of Financial Advisor
 Section 4.18 Vote Required Requisite Stockholder Approval
  20




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Section 4.19 Brokers
 Section 4.20 Real Property.
  Company Leases
 Section 4.21 Insurance
 Section 4.22 Environmental
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Section 4.22 Sections 4.5(b) 4.10,
 Section 4.23 Title to Assets Section
4.20 Section 4.14
 Section 4.24 Customers and Vendors Material Customers Material Vendors
  22




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Section 4.25 Confidentiality Obligations; Data Privacy
 Section 4.26 Transactions with Affiliates Affiliate Contracts
 Section 4.27 Foreign Corrupt Practices Act Compliance
 Section 4.28 No Other Representations or Warranties Article IV Article IV
  23




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ARTICLE V
REPRESENTATIONS AND WARRANTIES OF PARENT AND ACQUISITION SUB
 Parent Disclosure Letter
 Section 5.1 Organization and Qualification; Subsidiaries
 Section 5.2 Articles of Incorporation, By-Laws, and Other Organizational Documents Parent Organizational Documents
 Section 5.3 Authority Relative to Agreement
  24




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Section 5.4 No Conflict; Required Filings and Consents.
 Section 5.4(b)
   25




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Section 5.5 Absence of Litigation
 Section 5.6 Guaranty
 Section 5.7 Capitalization of Acquisition Sub
 Section 5.8 Brokers
 Section 5.9 Solvency Article IV Section 5.9 Solvent Section 5.9 debt claim
  26




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Section 5.10 Parent Ownership of Company Securities
 Section 5.11 Acknowledgement of Disclaimer of Other Representations and Warranties . Article IV Article IV
  27




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ARTICLE VI
COVENANTS AND AGREEMENTS
 Section 6.1 Conduct of Business by the Company Pending the Merger Section 8.1
   Section
6.1(f) provided however Section 6.1(f) Section 6.1(f)
  28




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Section 6.1(e)
    29




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Section 4.16
        30




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Section 6.2 Proxy Statement.
 Covenants of the Company Proxy Statement Section
6.6(c)
  31




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Covenants of Parent
 Cooperation Section 6.6(c)
 Mailing of Proxy Statement; Amendments
 Section 6.3 Stockholders Meetings Stockholders Meeting Company Recommendation Section
6.6(c)
  32




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Section 6.4 Appropriate Action; Consents; Filings.
 Section 6.6 Article VII
  provided Section 7.2
  33




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Section 6.5 Access to Information; Confidentiality.
 Section 8.1 Representatives provided however Section 6.5
   34




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Section 6.6 No Solicitation of Competing Proposal.
 Section 8.1 Section 6.6 Section
6.6 Section 6.6
 Section 6.6(a) provided however
  35




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Section 8.1 Change of Recommendation provided however
 provided provided further
 Competing Proposal
  36




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Superior Proposal Section 6.6(c) Section 8.1(g)
 Section 6.7 Directors and Officers Indemnification and Insurance.
 Indemnity Agreements
 Section 6.7(a)
  37




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Section 6.7(b) Section 6.7(b)
 D&O
Insurance provided further
  38




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Section 6.7 Section 6.7 Section 6.7 Section 6.7
 Section 6.7
 Section 9.1 Section 9.6 Section 6.7 Section 6.7
 Section 6.8 Notification of Certain Matters; Litigation relating to Merger
  39




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Article VII Article
VII provided however Section 6.8
 Section 6.9 Public Announcements Section 6.9 provided Section 6.9 Section 6.6(c)
 Section 6.10 Employee Matters.
   40




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Section 6.10
 New Plans
     41




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Section 6.11 Financing Cooperation provided provided Section 6.11
 Section 6.12 No Control of the Companys Business
  42




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Section 6.13 Rule 16b-3
 Section 6.14 Anti-Takeover Laws
 ARTICLE VII
CONDITIONS TO THE MERGER
 Section 7.1 Conditions to the Obligations of Each Party
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Section 7.2 Conditions to the Obligations of Parent
 Section
4.4 Sections
4.3 Section 3.3(c) Section 4.9
  Section 7.2(a) Section 7.2(b)
 Section 7.3 Conditions to the Obligations of the Company
   Section 7.3(a) Section
7.3(b)
  44




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ARTICLE VIII
TERMINATION, AMENDMENT AND WAIVER
 Section 8.1 Termination
  Termination Date Section 8.1(b)
 provided Section 8.1(c) provided however Section
8.1(c)
  Section 7.3(a) Section 7.3(b) provided Section 7.2(a) Section 7.2(b)
 Section 7.2(a) Section 7.2(b) provided Section 7.3(a) Section 7.3(b)
  45




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Section 6.6 Section 6.6 Section
8.1(g) Section 8.1(g) Section 6.6(c) Section 8.1(g) Section
8.1(g) provided however Section 8.1(g) Section 8.1(g) Section 8.3(a) Section 8.3(a) Section 8.1(g) provided further Section 8.1(g) Section 8.1(g)
   46




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Section 8.2 Effect of Termination.
 Section 8.1 provided Section 8.2 Section 8.3 Section 8.6 Section
9.1 Section 9.7 Section 9.8 Section 9.9 Section 9.11 Section 8.1
 Section 8.3 Termination Fees.
  Qualifying Transaction Section 8.1(b) Section
8.1(b)(ii) Section 8.1(d) Section
8.1(f)
 Section
8.1(g)
  47




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Section
8.1(h) Section
8.1 Section 8.1(h) Company Termination Fee Section 8.2 Section 8.3(a)(i) Section
8.3(a)(ii) (iii) provided Section 8.3(a)(iii) Section 8.3(a)
 Section 8.3(a) Section 8.3(a)
 Section 8.4 Amendment provided however
 Section 8.5 Waiver Section 8.4
   48




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Section 8.6 Expenses; Transfer Taxes.
   ARTICLE IX
GENERAL PROVISIONS
 Section 9.1 Non-Survival of Representations, Warranties and Agreements Section 8.2 Section 8.1 Section 9.1 Section
6.7 Section 6.10
 Section 9.2 Notices Section 9.2
  
  49




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Section 9.3 Interpretation; Certain Definitions
 Section 9.4 Severability
 Section 9.5 Assignment provided however provided
 Section 9.6 Entire Agreement; No Third-Party Beneficiaries Section
6.7 provided however Article I Section 8.5
  51




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Section 9.7 Governing Law
 Section 9.8 Specific Performance
  Section 9.9 Consent to Jurisdiction.
   52




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Section
9.9
 Section 9.10 Counterparts
 Section 9.11 WAIVER OF JURY TRIAL
   53




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BLACKHAWK ACQUISITION PARENT, LLCBy:
    /s/  Thomas KichlerName:
    Thomas KichlerTitle:
    ManagerBLACKHAWK MERGER SUB, INC.By:
    /s/  Thomas KichlerName:
    Thomas KichlerTitle:
    PresidentAPAC CUSTOMER SERVICES, INC.By:
    /s/  Kevin T. KeleghanName:
    Kevin T. KeleghanTitle:
    Chief Executive Officer   54




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Appendix A
  Acquisition Sub
 Affiliate Contracts Section 4.26
 Aggregate Merger Consideration
 Agreement
 Antitrust Division
 Antitrust Laws Section 4.5(b)
 Book-Entry Shares Section 3.1(b)
 Business Day
 Articles of Merger Section 2.3(a)
 Capitalization Date Section 4.3(a)
 Certificates Section 3.1(b)
 Change of Recommendation Section 6.6(c)
 Closing Section 2.2
 Closing Date Section 2.2
 Code
 Common Stock Section 3.1(a)
 Company
 Company Benefit Plan Section 4.12(a)
 Company Disclosure Letter Article IV
 Company Employees Section 4.12(a)
 Company Intellectual Property Rights Section
4.14(a)
  A-1




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Company Leases Section 4.20(b)
 Company Material Adverse Effect provided provided provided
 Company Material Contract Section
4.16(a)
 Company Option
 Company Plans
 Company Permits Section 4.6
 Company Recommendation Section 6.3
 Company SEC Documents Section 4.7(a)
  A-2




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Company Termination Fee Section 8.3(a)
 Competing Proposal Section 6.6(e)
 Confidentiality Agreement
 control
 D&O Insurance Section 6.7(c)
 Director Option
 Dissenting Shares Section 3.5
 Effective Time Section 2.3(a)
 Employee Option
 Environmental Law
 ERISA
 ERISA Affiliate Section 4.12(d)
 Exchange Act
 Exchange Fund Section 3.2(a)
 Expenses
 GAAP
 Governmental Authority
  A-3




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Guarantor
 Guaranty
 Hazardous Substance
 HSR Act
 IBCA
 Indemnitee
 Indemnity Agreements Section 6.7(a)
 Intellectual Property Rights Section
4.14(a)
 IRS
 IT Assets Section 4.14(d)
 knowledge
 Law
 Lien
 Material Customers Section 4.24
 Material Vendors Section 4.24
 Merger
  A-4




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Merger Consideration Section 3.1(b)
 Multiemployer Plan
 NASDAQ
 New Plans Section 6.10(c)
 Option Cash Payment Section 3.3(b)
 Order
 Parent
 Parent Disclosure Letter Article V
 Parent Material Adverse Effect
 Parent Organizational Documents Section
5.2
 Paying Agent Section 3.2(a)
 Permitted Lien
  A-5




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person
 Preferred Stock Section 4.3(a)
 Proxy Statement Section 6.2(a)
 Qualifying Transaction Section
8.3(a)(i)
 Representatives Section 6.5(a)
 Requisite Stockholder Approval Section
4.18
 Sarbanes-Oxley Act
 SEC
 Secretary of State Section 2.3(a)
 Securities Act
 Stockholders Meeting Section 6.3
 subsidiary provided
 Superior Proposal Section 6.6(f)
 Surviving Corporation Section 2.1
 Tax Taxes
  A-6




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Tax Returns
 Termination Date Section 8.1(b)
 Total Common Merger Consideration Section 3.1(a)
 Total Vested Option Consideration
 Unvested Restricted Share
 Voting Agreement
  A-7