Document:

Exhibit 4.2

EXECUTION
COPY

SUPPLEMENTAL
AGREEMENT

DATED 22
AUGUST 2007

BETWEEN

TELENET BIDCO
NV

AND

BNP PARIBAS

as
Facility Agent

relating
to a €2,300,000,000 Credit Agreement

dated 1
August 2007

ALLEN
& OVERY LLP 

LONDON

CONTENTS

	
  Clause

  	
   

  	
  Page

  
	
   

  	
   

  	
   

  	
   

  	
   

  
	
  1.

  	
   

  	
  Interpretation

  	
   

  	
  1

  
	
  2.

  	
   

  	
  Amendments

  	
   

  	
  1

  
	
  3.

  	
   

  	
  Representations

  	
   

  	
  2

  
	
  4.

  	
   

  	
  Consents

  	
   

  	
  2

  
	
  5.

  	
   

  	
  Miscellaneous

  	
   

  	
  3

  
	
  6.

  	
   

  	
  Governing law

  	
   

  	
  3

  
	
   

  	
   

  	
   

  	
   

  	
   

  
	
  Schedule

  	
   

  	
   

  
	
   

  	
   

  	
   

  
	
  1.

  	
   

  	
  Restated Credit Agreement

  	
   

  	
  4

  
	
   

  	
   

  	
   

  	
   

  	
   

  
	
   

  	
   

  	
   

  	
   

  	
   

  
	
  SIGNATORIES

  	
   

  	
  5

  

THIS AGREEMENT
is dated 22 August 2007

BETWEEN:

(1)                                  TELENET BIDCO NV  (HR
Mechelen 89835, Enterprise No. 0473.416.418) (the Company);

(2)                                  THE ORIGINAL GUARANTORS under and as defined in the Credit
Agreement (defined below); and

(3)                                  BNP PARIBAS as agent (in this capacity the Facility Agent).

BACKGROUND

(A)                              This
Agreement is supplemental to and amends a credit agreement dated 1 August 2007
between, among others, the Company and the Facility Agent (the Credit Agreement).

(B)                                The
Lenders (as defined in the Credit Agreement) have consented to the amendments
to the Credit Agreement contemplated by this Agreement. Accordingly, the
Facility Agent is authorised to execute this Agreement on behalf of the Finance
Parties.

IT IS AGREED as
follows:

1.                                      INTERPRETATION

1.1                               Definitions

(a)                                  In
this Agreement:

Effective Date means the date of
this Agreement or such other date as the Company and the Facility Agent may
agree.

(b)                                 Capitalised
terms defined in the Credit Agreement have, unless expressly defined in this Agreement,
the same meaning in this Agreement.

1.2                               Construction

The principles of construction set out in the Credit Agreement will
have effect as if set out in this Agreement.

2.                                      AMENDMENTS

(a)                                  Subject
as set out below, the Credit Agreement will be amended from the Effective Date
so that it reads as if it were restated in the form set out in Schedule I  (Restated Credit Agreement).

(b)                                 The
Credit Agreement will not be amended by this Agreement unless the Company and Original
Guarantors countersign this Agreement on or prior to the Effective Date.

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3.                                      REPRESENTATIONS

3.1                               Representations

The representations set out in this Clause are made by each Obligor on
the date of this Agreement to each Finance Party.

3.2                               Powers
and authority

It has the power to enter into and perform, and has taken all necessary
action to authorise the entry into and performance of this Agreement and the
transactions contemplated by this Agreement.

3.3                               Legal
validity

Subject to any general principles of law limiting its obligations and
specifically referred to in any legal opinion delivered under schedule 1
(Conditions Precedent Documents) of the Credit Agreement, this Agreement
constitutes its legally binding, valid and enforceable obligation.

3.4                               Non-conflict

The entry into and performance by it of, and the transactions
contemplated by, this Agreement do not and will not conflict with:

(a)                                  in
any material respect, any law or regulation or official judgment or decree applicable
to it;

(b)                                 in
any material respect, its constitutional documents; or

(c)                                  any
agreement or instrument to which it is a party or is binding on any of its
assets or binding upon any other member of the Group or any other member of the
Group's assets, where such conflict would or is reasonably likely to have a
Material Adverse Effect.

3.5                               Authorisations

Subject to any general principles of law limiting its obligations and
specifically referred to in any legal opinion delivered under schedule 1
(Conditions Precedent Documents) of the Credit Agreement, all material and
necessary authorisations, registrations, consents, approvals, licences, and
filings required by it in connection with the entry into, performance, validity
and enforceability of, and the transactions contemplated by, this Agreement
have been obtained or effected (as appropriate) and are validly existing.

4.                                      CONSENTS

Each Obligor:

(a)                                  agrees
to the amendment and restatement of the Credit Agreement as contemplated by
this Agreement; and

(b)                                 with
effect from the Effective Date, confirms that any security or guarantee created
or given by it under a Finance Document will:

(i)                                     continue
in full force and effect; and

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(ii)                                  extend
to the liabilities and obligations of the Obligors to the Finance Parties under
the Finance Documents as amended by this Agreement.

5.                                      MISCELLANEOUS

(a)                                  This
Agreement and the Credit Agreement, as amended and restated by this Agreement
is a Finance Document.

(b)                                 Subject
to the terms of this Agreement, the Credit Agreement will remain in full force
and effect and, from the Effective Date, the Credit Agreement and this
Agreement will be read and construed as one document.

6.                                      GOVERNING
LAW

This Agreement is governed by English law.

This Agreement has been
entered into on the date stated at the beginning of this Agreement.

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SCHEDULE
1

RESTATED
CREDIT AGREEMENT

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SIGNATORIES

Company

TELENET BIDCO NV 

By:

Original Guarantors

TELENET BIDCO NV

By:

TELENET NV

By:

UPC BELGIUM NV

By:

Facility agent

BNP PARIBAS

By:

 5Exhibit
4.1

The securities represented by the
Warrant and issuable upon its exercise have not been registered under the
Securities Act of 1933 (the “Act”), as amended, and have not be registered
under any state securities laws. The securities may not be sold, offered for
sale, or transferred in the absence of either an effective registration under
the Act and under applicable state securities laws, or an opinion of counsel
satisfactory to the Company that the transaction is exempt from registration
under the Act and under applicable state securities laws.”

WARRANT

To
Purchase 1,000,000 Shares of Common Stock

of

PPT Vision, Inc.

EXERCISABLE ON OR BEFORE, AND VOID AFTER

5:00 P.M. MINNEAPOLIS TIME ON AUGUST 29, 2014

THIS
CERTIFIES THAT, for good and valuable consideration, P. R. Peterson Keogh Plan
(the “Holder”), or its registered assigns, is entitled to subscribe for and
purchase from PPT Vision, Inc., Minnesota corporation (the “Company”), at any
time prior to 5:00 P.M. on August 29, 2014, One Million (1,000,000) fully paid
and non-assessable shares of the Common Stock at the price of $0.25 per share
(the “Warrant Exercise Price”), subject to the anti-dilution provisions of this
Warrant.

The
shares that may be acquired upon exercise of this Warrant are referred to as
the “Warrant Shares.” The term “Holder” means any party who acquires all or a
part of this Warrant as a registered transferee of the Holder, or any record
holder or holders of the Warrant Shares issued upon exercise, whether in whole
or in part, of the Warrant.  The term “Common
Stock” means the common stock, par value $.10 per share, of the Company.

This Warrant is subject to the following provisions, terms and
conditions:

1.               Exercise.  The rights represented by this Warrant may be
exercised by the Holder hereof, in whole or in part (but not as to a fractional
share of Common Stock), by written notice of exercise (in the form attached
hereto) delivered to the Company at the principal office of the Company prior
to the expiration of this Warrant and accompanied or preceded by the surrender
of this Warrant along with a check in payment of the Warrant Exercise Price for
the shares.

2.                                                        Exchange
and Replacement.  This Warrant is
exchangeable upon the surrender hereof by the Holder to the Company at its office
for new Warrants of like tenor and date representing in the aggregate the right
to purchase the number of Warrant Shares purchasable hereunder, each of the new
Warrants to represent the right to purchase that number of Warrant Shares as
may be designated by the Holder at the time of the surrender.  Upon receipt by the Company of evidence
reasonably satisfactory to it of the loss, theft, destruction, or mutilation of
this Warrant, and, in case of loss, theft or destruction, of indemnity or
security reasonably satisfactory to it, and upon surrender and cancellation of
this Warrant, if mutilated, the Company will make and deliver a new Warrant of
like tenor, in lieu of this Warrant.  The
Company will pay all expenses, taxes (other than stock transfer taxes), and
other charges payable in connection with the preparation, execution, and
delivery of Warrants pursuant to this Section 2.

3.               Issuance
of the Warrant Shares.

3.1                                                             The
Company agrees that the shares of Common Stock purchased upon exercise of this
Warrant will be deemed to be issued to the Holder as of the close of business
on the date on which this Warrant is surrendered and the payment made for the
Warrant Shares.  Subject to the

provisions of Section 3.2, certificates
for the Warrant Shares will be delivered to the Holder within a reasonable
time, not exceeding 15 days after the rights represented by this Warrant are so
exercised, and, unless this Warrant has expired, a new Warrant representing the
right to purchase the number of Warrant Shares with respect to which this
Warrant has not been exercised will also be delivered to the Holder within this
time.

3.2                                                             The
Company will not be required to deliver any certificate for Warrant Shares upon
exercise of this Warrant except in accordance with exemptions from the
applicable securities registration requirements or registrations under
applicable securities laws.  The Holder
agrees to execute such documents and make such representations, warranties, and
agreements as may be required solely to comply with the exemptions relied upon
by the Company, or the registrations made, for the issuance of the Warrant
Shares.

4.               Covenants
of the Company. The Company covenants and agrees that all Warrant Shares
will, upon issuance, be duly authorized and issued, fully-paid and
non-assessable, and free from all taxes, liens and charges with respect to
their issue. The Company further covenants and agrees that during the period
within which the rights represented by this Warrant may be exercised, the
Company will at all times have authorized and reserved for the purpose of issue
upon exercise of this Warrant a sufficient number of shares of Common Stock to
provide for the exercise of the rights represented by this Warrant, subject to
the approval by shareholders of the Company of an increase in the authorized
common stock of the Company at the 2008 Annual Meeting of Shareholders.

5.               Anti-Dilution
Adjustments. The provisions of this Warrant are subject to adjustment as
provided in this Section 5.

5.1                                                             The
Warrant Exercise Price will be adjusted from time to time so that if the
Company:

(a)           pays any dividends on any class of stock of
the Company payable in Common Stock or securities convertible into Common
Stock;

(b)          subdivides its then outstanding shares of
Common Stock into a greater number of shares; or

(c)           combines outstanding shares of Common Stock,
by reclassification or otherwise;

then,
in any such event, the Warrant Exercise Price in effect immediately prior to
such event will be adjusted immediately after the event to a price determined
by dividing (A) the number of shares of Common Stock outstanding
immediately prior to such event, multiplied by the then existing Warrant
Exercise Price, by (B) the total number of shares of Common Stock
outstanding immediately after the event (including in each case the maximum
number of shares of Common Stock issuable in respect of any securities
convertible into Common Stock), and the resulting quotient will be the adjusted
Warrant Exercise Price per share. An adjustment made pursuant to this
Subsection will become effective immediately after the record date in the case
of a dividend or distribution and will become effective immediately after the
effective date in the case of a subdivision, combination or reclassification.
If, as a result of an adjustment made pursuant to this Subsection, the Holder
becomes entitled to receive upon exercise of this Warrant shares of two or more
classes of capital stock or shares of Common Stock and other capital stock of
the Company, the Board of Directors of the Company (whose determination will be
conclusive) will determine the allocation of the adjusted Warrant Exercise
Price between or among shares of such classes of capital stock or shares of
Common Stock and other capital stock. All calculations under this Subsection
will be made to the nearest full cent or to the nearest 1/100 of a share, as
the case may be.

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In
the event that at any time as a result of an adjustment made pursuant to this
Subsection, the holder of any Warrant surrendered for exercise will become
entitled to receive any securities of the Company other than shares of Common
Stock, thereafter the Warrant Exercise Price of the other securities so
receivable upon exercise of any Warrant will be subject to adjustment from time
to time in a manner and on terms as nearly equivalent as practicable to the
provisions with respect to Common Stock contained in this Section.

5.2                                                             
Upon each adjustment of the Warrant Exercise Price pursuant to Section 5.1
above, the Holder of this Warrant will thereafter be entitled to purchase at
the adjusted Warrant Exercise Price the number of adjusted Warrant Shares,
calculated to the nearest full share, obtained by multiplying the number of
Warrant shares specified in this Warrant by the Warrant Exercise Price in effect
prior to such adjustment and dividing the product so obtained by the adjusted
Warrant Exercise Price.

5.3                                                             In
case of any consolidation or merger to which the Company is a party other than
a merger or consolidation in which the Company is the continuing corporation,
or in the case of any statutory exchange of securities with another corporation
(including any exchange effected in connection with a merger of a third
corporation into the Company), there will be no adjustment under
Section 5.1 above, but the Holder of each Warrant then outstanding will
have the right thereafter to convert the Warrant into the kind and amount of
shares of stock and other securities and property that he would have owned or
have been entitled to receive immediately after such consolidation, merger or
statutory exchange had the Warrant been converted immediately prior to the
effective date of the consolidation, merger, or statutory exchange, and in any
such case, if necessary, appropriate adjustment will be made in the application
of the provisions set forth in this Section with respect to the rights and
interests thereafter of any Holders of the Warrant, to the end that the
provisions set forth in this Section will thereafter correspondingly be made
applicable, as nearly as may reasonably be, in relation to any shares of stock
and other securities and property thereafter deliverable on the exercise of the
Warrant. The provisions of this Subsection will similarly apply to successive
consolidations, mergers, or statutory exchanges.

5.4                                                             Upon
any adjustment of the Warrant Exercise Price, then and in each case, the
Company will give written notice thereof, by First-class mail, postage prepaid,
addressed to the Holder as shown on the books of the Company, which notice must
state the Warrant Exercise Price resulting from the adjustment and the increase
or decrease, if any, in the number of shares of Common Stock purchasable at
such price upon the exercise of this Warrant, setting forth in reasonable
detail the method of calculation and the facts upon which the calculation is
based.

6.               No
Voting Rights. This Warrant does not entitle the Holder to any voting
rights or other rights as a shareholder of the Company.

7.               Legend;
Notice of Transfer of Warrant or Resale of the Warrant Shares.

7.1                                                             This
Warrant is, and each certificate representing the Warrant Shares will be, and
any Warrant Shares that may be subsequently transferred (other than a transfer
registered under the Securities Act or any subsequent transfer of shares so
registered) stamped or otherwise imprinted with a legend substantially in the
following form:

“The
securities represented by the Warrant and issuable upon its exercise have not
been registered under the Securities Act of 1933 (the “Act”), as amended, and
have not be registered under any state securities laws. The securities may not
be sold, offered for sale, or transferred in the absence of either an effective
registration under the Act and under applicable state securities laws, or an 

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opinion
of counsel satisfactory to the Company that the transaction is exempt from
registration under the Act and under applicable state securities laws.”

7.2                                                             Subject
to the sale, assignment, hypothecation, or other transfer restrictions under
the Securities Act, the Holder must give written notice to the Company before
transferring this Warrant or transferring any Warrant Shares of the Holder’s
intention to do so, describing briefly the manner of any proposed transfer.
Promptly upon receiving such written notice, the Company will present copies
thereof to the Company’s counsel and to counsel to the original holder of this
Warrant.  If in the opinion of each
counsel the proposed transfer may be effected without registration or
qualification (under any federal or state securities laws), the Company, as
promptly as practicable, will notify the Holder of such opinion, whereupon the
Holder will be entitled to transfer this Warrant or to dispose of Warrant
Shares received upon the previous exercise of this Warrant, all in accordance
with the terms of the notice delivered by the Holder to the Company.  An appropriate legend may be endorsed on this
Warrant or the certificates for such Warrant Shares respecting restrictions
upon transfer thereof necessary or advisable in the opinion of counsel and
satisfactory to the Company to prevent further transfers that would be in
violation of Section 5 of the Securities Act and applicable state
securities laws.  The prospective
transferee or purchaser must execute such documents and make such
representations, warranties, and agreements as may be required solely to comply
with the exemptions relied upon by the Company for the transfer or disposition
of the Warrant or Warrant Shares.

7.3                                                             If
in the opinion of either of the counsel referred to in this Section 7, the
proposed transfer or disposition of this Warrant or Warrant Shares described in
the written notice given pursuant to this Section 7 may not be effected
without registration or qualification of this Warrant or Warrant Shares, the
Company must promptly give written notice thereof to the Holder, and the Holder
will limit its activities in respect to such transfer or disposition as, in the
opinion of both such counsel, are permitted by law.

8.               Fractional
Shares.

8.1                                                             Fractional
shares will not be issued upon the exercise of this Warrant, but the number of
shares will be adjusted up or down to the nearest whole share.

9.               Registration
Rights.  Holders of Warrants will
have the Registration Rights set forth in the Registration Rights Agreement
being entered into concurrent with the issuance of this Warrant.

10.         Notices.

10.1                                                       All
notices under this Warrant must be in writing and be delivered by first class
mail, postage prepaid.  Any notice
addressed to the Holder must be delivered to

P R Peterson Keogh Plan

6111 Blue Circle

Minnetonka, Minnesota

55343-9102

10.2                                                       as
may be changed from time to time upon ten days’ written notice by the Holder,
and any notice addressed to the Company, must be delivered to its principal
office.

10.3                                                       The
Holder is entitled to receive a notice from the Company not less than ten days
prior to the date on which (a) a record will be taken for the purpose of
determining the holders of Common Stock entitled to dividends (other than cash
dividends) or subscription rights, or (b) a record

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will be taken (or in lieu thereof, the
transfer books will be closed) for the purpose of determining the holders of
Common Stock entitled to notice of and to vote at a meeting of shareholders at
which any capital reorganization, reclassification of shares of Common Stock,
consolidation, merger, dissolution, liquidation, winding up or sale of
substantially all of the Company’s assets will be considered and acted upon.

IN
WITNESS WHEREOF, PPT Vision, Inc. has caused this Warrant to be signed by its
duly authorized officer and this Warrant to be dated August 30, 2007.

	
  

  	
  PPT Vision, Inc.

  
	
   

  	
   

  
	
   

  	
   

  
	
   

  	
  By 

  	
   /s/ Joseph C.
  Christenson

  	
   

  
	
   

  	
   

  	
            Joseph
  C. Christenson,

  
	
   

  	
   

  	
            Chief
  Executive Officer

  

 

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SUBSCRIPTION FORM

(To be signed upon exercise of Warrant)

The undersigned, the holder of the within
Warrant, hereby irrevocably elects to exercise the purchase right represented
by the Warrant for, and to purchase thereunder,                                
                               
of the shares of common stock of PPT Vision, Inc., to which the Warrant relates
and herewith makes payment of $                               
therefor in cash or by certified check and requests that the certificate for the
shares be issued in the name of, and be delivered to the undersigned holder at
the address set forth below.

	
  Dated: 

  	
   

  	
   

  
	
  

  	
   

  
	
   

  	
   

  
	
   

  	
   

  
	
  (Signature)

  	
   

  
	
   

  	
   

  
	
   

  	
   

  
	
  (Name)

  	
   

  
	
   

  	
   

  
	
   

  	
   

  
	
  (Address)

  	
   

  
	
   

  	
   

  
	
   

  	
   

  
	
  Social Security
  or Tax ID. No.

  	
   

  
				

 

ASSIGNMENT
FORM

(To be signed upon authorized transfer of Warrant)

FOR VALUE RECEIVED, the undersigned hereby
sells, assigns, and transfers unto                                                               
the right to purchase                                
shares of Common Stock of PPT Vision, Inc. to which the within Warrant relates
and appoints                                
attorney, to transfer said right on the books of                                
with full power of substitution in the premises.

	
  Dated: 

  	
   

  	
   

  
	
  

  	
   

  
	
   

  	
   

  
	
   

  	
   

  
	
  (Signature)

  	
   

  
	
   

  	
   

  
	
   

  	
   

  
	
  (Name)

  	
   

  
	
   

  	
   

  
	
   

  	
   

  
	
  (Address)

  	
   

  
	
   

  	
   

  
	
   

  	
   

  
	
  Social Security
  or Tax ID. No.

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