SEC Info - Dinan James G, et al. - ‘SC 13G/A’ on 3/10/04 re: Impsat Fiber Networks Inc

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Dinan James G, et al. – ‘SC 13G/A’ on 3/10/04 re: Impsat Fiber Networks Inc

On: Wednesday, 3/10/04, at 10:47am ET · Accession #: 950120-4-190 · File #: 5-60701

  As Of                Filer                Filing    For·On·As Docs:Size              Issuer               Agent

 3/10/04  Dinan James G                     SC 13G/A               1:30K  Impsat Fiber Networks Inc         Thelen LLP/FA
          York Capital Management, L.P.
          York Distressed Opportunities Fund, L.P.
          York Investment Limited
          York Offshore Investors Unit Trust
          York Select Unit Trust
          York Select, L.P.

Amendment to Statement of Beneficial Ownership — Schedule 13G
Filing Table of Contents

Document/Exhibit                   Description                      Pages   Size 

 1: SC 13G/A    Amendment No. 2 to Sch13G/A March 5, 2004             20     55K

Document Table of Contents

Page	(sequential)	\|	(alphabetic)	Top
			Alternative Formats (Word, et al.) Address of Issuer's Principal Executive Offices: Address of Principal Business Office: Certification Cusip Number: Name of Issuer: Name of Person Filing; Address (B) and (C) of Principal Business Office; Citizenship: Ownership Ownership of More Than Five Percent on Behalf of Another Person Title of Class of Securities:
1	1st Page - Filing Submission
9	Item 1(A). Name of Issuer:
"	Item 1(B). Address of Issuer's Principal Executive Offices:
"	Item 2.(A),. Name of Person Filing; Address (B) and (C) of Principal Business Office; Citizenship:
11	Item 2(B). Address of Principal Business Office:
"	Item 2(D). Title of Class of Securities:
"	Item 2(E). Cusip Number:
12	Item 4.(A), (B) and (C). Ownership
14	Item 6. Ownership of More Than Five Percent on Behalf of Another Person
15	Item 10. Certification

SC 13G/A 1st Page of 20 TOC ↑Top Previous Next ↓Bottom Just 1st
 
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549

 AMENDMENT NO. 2 TO SCHEDULE 13G

 UNDER THE SECURITIES EXCHANGE ACT 1934*

 IMPSAT Fiber Networks, Inc.
--------------------------------------------------------------------------------
(Name of Issuer)

Common Shares, $0.01 par value
--------------------------------------------------------------------------------
(Title of Class of Securities)

 45321T202
--------------------------------------------------------------------------------
(CUSIP Number)

 December 31, 2003
--------------------------------------------------------------------------------
 (Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule 
is filed                                                                        

:         Rule 13d-1(b)                                       

|X|       Rule 13d-1(c)                                       

:         Rule 13d-(d)                                        

--------------------                                                            

*    The remainder of this cover page shall be filled out for a reporting       
   person's initial filing on this form with respect to the subject class of
   securities, and for any subsequent amendment containing information which
would alter the disclosures provided in a prior cover page.           

The information required on the remainder of this cover page shall not be deemed
to be "filed" for the purpose of Section 18 of the Securities Exchange Act of   
1934 ("Act") or otherwise subject to the liabilities of that section of the Act 
but shall be subject to all other provisions of the Act (however, see the       
Notes).                                                                         

SC 13G/A 2nd Page of 20 TOC 1st Previous Next ↓Bottom Just 2nd
-----------------------------------------------------------                     
CUSIP No. 45321T202                                                             
-----------------------------------------------------------                     

----------- --------------------------------------------------------------------

1       NAME OF REPORTING PERSONS                                       
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS             

James G. Dinan                        
----------- --------------------------------------------------------------------

2       CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*               
                                                                     (a)
                                                                         (b) |X|
----------- --------------------------------------------------------------------

3       SEC USE ONLY                                                    

----------- --------------------------------------------------------------------

4       CITIZENSHIP OR PLACE OF ORGANIZATION                            

U.S.A.                                
------------------------------ ---------- --------------------------------------

NUMBER OF                5      SOLE VOTING POWER           
SHARES                                                    
  BENEFICIALLY                               1,082,157 Common Shares
OWNED BY                                                    
EACH                                                    
REPORTING                                                   
PERSON WITH                                                   
------------------------------ ---------- --------------------------------------

                6      SHARED VOTING POWER

                         -0-
------------------------------ ---------- --------------------------------------

                   7      SOLE DISPOSITIVE POWER

                                             1,082,157 Common Shares
------------------------------ ---------- --------------------------------------

                     8      SHARED DISPOSITIVE POWER

                         -0-
----------- --------------------------------------------------------------------

9       AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON    

1,082,157 Common Shares               
----------- --------------------------------------------------------------------

10      CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES          

           CERTAIN SHARES*                                                   :
----------- --------------------------------------------------------------------

11      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)              

10.7%                                 
----------- --------------------------------------------------------------------

12      TYPE OF REPORTING PERSON*                                       

IN                                    
----------- --------------------------------------------------------------------

*SEE INSTRUCTIONS BEFORE FILLING OUT

2 

SC 13G/A 3rd Page of 20 TOC 1st Previous Next ↓Bottom Just 3rd
----------- --------------------------------------------------------------------

1       NAME OF REPORTING PERSONS                                       
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS             

York Investment Limited               
----------- --------------------------------------------------------------------

2       CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*               
                                                                     (a)
                                                                         (b) |X|
----------- --------------------------------------------------------------------

3       SEC USE ONLY                                                    

----------- --------------------------------------------------------------------

4       CITIZENSHIP OR PLACE OF ORGANIZATION                            

Commonwealth of the Bahamas           
------------------------------ ---------- --------------------------------------

NUMBER OF                5      SOLE VOTING POWER           
SHARES                                                    
BENEFICIALLY                               424,793 Common Shares
OWNED BY                                                    
EACH                                                    
REPORTING                                                   
PERSON WITH                                                   
------------------------------ ---------- --------------------------------------

                6      SHARED VOTING POWER

                         -0-
------------------------------ ---------- --------------------------------------

                   7      SOLE DISPOSITIVE POWER

                                           424,793 Common Shares
------------------------------ ---------- --------------------------------------

                     8      SHARED DISPOSITIVE POWER

                         -0-
----------- --------------------------------------------------------------------

9       AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON    

424,793 Common Shares                 
----------- --------------------------------------------------------------------

10      CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES          

           CERTAIN SHARES*                                                   :
----------- --------------------------------------------------------------------

11      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)              

4.2%                                  
----------- --------------------------------------------------------------------

12      TYPE OF REPORTING PERSON*                                       

CO                                    
----------- --------------------------------------------------------------------

*SEE INSTRUCTIONS BEFORE FILLING OUT

3 

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----------- --------------------------------------------------------------------

1       NAME OF REPORTING PERSONS                                       
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS             

York Capital Management, L.P.         
----------- --------------------------------------------------------------------

2       CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*               
                                                                     (a)
                                                                         (b) |X|
----------- --------------------------------------------------------------------

3       SEC USE ONLY                                                    

----------- --------------------------------------------------------------------

4       CITIZENSHIP OR PLACE OF ORGANIZATION                            

Delaware                              
------------------------------ ---------- --------------------------------------

NUMBER OF                5      SOLE VOTING POWER           
SHARES                                                    
BENEFICIALLY                               184,340 Common Shares
OWNED BY                                                    
EACH                                                    
REPORTING                                                   
PERSON WITH                                                   
------------------------------ ---------- --------------------------------------

                6      SHARED VOTING POWER

                         -0-
------------------------------ ---------- --------------------------------------

                   7      SOLE DISPOSITIVE POWER

                                         184,340 Common Shares
------------------------------ ---------- --------------------------------------

                     8      SHARED DISPOSITIVE POWER

                         -0-
----------- --------------------------------------------------------------------

9       AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON    

184,340 Common Shares                 
----------- --------------------------------------------------------------------

10      CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES          

           CERTAIN SHARES*                                                   :
----------- --------------------------------------------------------------------

11      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)              

1.8%                                  
----------- --------------------------------------------------------------------

12      TYPE OF REPORTING PERSON*                                       

PN                                    
----------- --------------------------------------------------------------------

*SEE INSTRUCTIONS BEFORE FILLING OUT

4 

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----------- --------------------------------------------------------------------

1       NAME OF REPORTING PERSONS                                       
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS             

York Select, L.P.                     
----------- --------------------------------------------------------------------

2       CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*               
                                                                     (a)
                                                                         (b) |X|
----------- --------------------------------------------------------------------

3       SEC USE ONLY                                                    

----------- --------------------------------------------------------------------

4       CITIZENSHIP OR PLACE OF ORGANIZATION                            

Delaware                              
------------------------------ ---------- --------------------------------------

NUMBER OF                5      SOLE VOTING POWER           
SHARES                                                    
BENEFICIALLY                                7,434 Common Shares 
OWNED BY                                                    
EACH                                                    
REPORTING                                                   
PERSON WITH                                                   
------------------------------ ---------- --------------------------------------

                6      SHARED VOTING POWER

                         -0-
------------------------------ ---------- --------------------------------------

                   7      SOLE DISPOSITIVE POWER

                                            7,434  Common Shares
------------------------------ ---------- --------------------------------------

                     8      SHARED DISPOSITIVE POWER

                         -0-
----------- --------------------------------------------------------------------

9       AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON    

7,434 Common Shares                 
----------- --------------------------------------------------------------------

10      CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES          

           CERTAIN SHARES*                                                   :
----------- --------------------------------------------------------------------

11      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)              

0.1%                                  
----------- --------------------------------------------------------------------

12      TYPE OF REPORTING PERSON*                                       

PN                                    
----------- --------------------------------------------------------------------

*SEE INSTRUCTIONS BEFORE FILLING OUT

5 

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----------- --------------------------------------------------------------------

1       NAME OF REPORTING PERSONS                                       
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS             

York Select Unit Trust                
----------- --------------------------------------------------------------------

2       CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*               
                                                                     (a)
                                                                         (b) |X|
----------- --------------------------------------------------------------------

3       SEC USE ONLY                                                    

----------- --------------------------------------------------------------------

4       CITIZENSHIP OR PLACE OF ORGANIZATION                            

Cayman Islands                        
------------------------------ ---------- --------------------------------------

NUMBER OF                5      SOLE VOTING POWER           
SHARES                                                    
BENEFICIALLY                                4,576 Common Shares 
OWNED BY                                                    
EACH                                                    
REPORTING                                                   
PERSON WITH                                                   
------------------------------ ---------- --------------------------------------

                6      SHARED VOTING POWER

                         -0-
------------------------------ ---------- --------------------------------------

                   7      SOLE DISPOSITIVE POWER

                                           4,576 Common Shares
------------------------------ ---------- --------------------------------------

                     8      SHARED DISPOSITIVE POWER

                         -0-
----------- --------------------------------------------------------------------

9       AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON    

4,576 Common Shares                 
----------- --------------------------------------------------------------------

10      CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES          

           CERTAIN SHARES*                                                   :
----------- --------------------------------------------------------------------

11      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)              

0.1%                                  
----------- --------------------------------------------------------------------

12      TYPE OF REPORTING PERSON*                                       

OO                                    
----------- --------------------------------------------------------------------

*SEE INSTRUCTIONS BEFORE FILLING OUT

6 

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----------- --------------------------------------------------------------------

1       NAME OF REPORTING PERSONS                                       
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS             

  York Distressed Opportunities Fund, L.P.
----------- --------------------------------------------------------------------

2       CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*               
                                                                     (a)
                                                                         (b) |X|
----------- --------------------------------------------------------------------

3       SEC USE ONLY                                                    

----------- --------------------------------------------------------------------

4       CITIZENSHIP OR PLACE OF ORGANIZATION                            

Delaware                              
------------------------------ ---------- --------------------------------------

NUMBER OF                5      SOLE VOTING POWER           
SHARES                                                    
BENEFICIALLY                               138,549 Common Shares
OWNED BY                                                    
EACH                                                    
REPORTING                                                   
PERSON WITH                                                   
------------------------------ ---------- --------------------------------------

                6      SHARED VOTING POWER

                         -0-
------------------------------ ---------- --------------------------------------

                   7      SOLE DISPOSITIVE POWER

                                           138,549 Common Shares
------------------------------ ---------- --------------------------------------

                     8      SHARED DISPOSITIVE POWER

                         -0-
----------- --------------------------------------------------------------------

9       AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON    

138,549 Common Shares                 
----------- --------------------------------------------------------------------

10      CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES          

           CERTAIN SHARES*                                                   :
----------- --------------------------------------------------------------------

11      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)              

1.4%                                  
----------- --------------------------------------------------------------------

12      TYPE OF REPORTING PERSON*                                       

PN                                    
----------- --------------------------------------------------------------------

7 

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----------- --------------------------------------------------------------------

1       NAME OF REPORTING PERSONS                                       
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS             

York Offshore Investors Unit Trust    
----------- --------------------------------------------------------------------

2       CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*               
                                                                     (a)
                                                                         (b) |X|
----------- --------------------------------------------------------------------

3       SEC USE ONLY                                                    

----------- --------------------------------------------------------------------

4       CITIZENSHIP OR PLACE OF ORGANIZATION                            

Cayman Islands                        
------------------------------ ---------- --------------------------------------

NUMBER OF                5      SOLE VOTING POWER           
SHARES                                                    
BENEFICIALLY                               204,150 Common Shares
OWNED BY                                                    
EACH                                                    
REPORTING                                                   
PERSON WITH                                                   
------------------------------ ---------- --------------------------------------

                6      SHARED VOTING POWER

                         -0-
------------------------------ ---------- --------------------------------------

                   7      SOLE DISPOSITIVE POWER

                                           204,150 Common Shares
------------------------------ ---------- --------------------------------------

                     8      SHARED DISPOSITIVE POWER

                         -0-
----------- --------------------------------------------------------------------

9       AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON    

204,150 Common Shares                 
----------- --------------------------------------------------------------------

10      CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES          

           CERTAIN SHARES*                                                   :
----------- --------------------------------------------------------------------

11      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)              

2.0%                                  
----------- --------------------------------------------------------------------

12      TYPE OF REPORTING PERSON*                                       

00                                    
----------- --------------------------------------------------------------------

*SEE INSTRUCTIONS BEFORE FILLING OUT

8 

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SCHEDULE 13G

ITEM 1(A).                 NAME OF ISSUER:                                      
--------------            

 IMPSAT Fiber Networks, Inc.

ITEM 1(B).                 ADDRESS OF ISSUER'S PRINCIPAL EXECUTIVE OFFICES:     
                     -----------------------------------------------

     Elvira Rawson de Dellepiane 150
Piso 8, C1107 BCA         
Buenos Aires, Argentina   

ITEM 2.(A),                NAME OF PERSON FILING; ADDRESS                       
(B) AND (C)                OF PRINCIPAL BUSINESS OFFICE; CITIZENSHIP:           
               -----------------------------------------

 This Schedule is being filed jointly by the following reporting persons
(hereinafter sometimes collectively referred to as the "Reporting Persons")     
pursuant to an Agreement of Joint Filing attached hereto as Exhibit A:          

   (i)    James G. Dinan ("Dinan"), an individual who is the Senior Managing
        Member and holder of a controlling interest in Dinan Management,
          L.L.C. ("Dinan Management"), a New York limited liability company,
 York Select Domestic Holdings, LLC ("York Select Domestic
     Holdings"), a New York limited liability company, York Select
            Offshore Holdings, LLC ("York Select Offshore Holdings"), a New York
         limited liability company, York Distressed Domestic Holdings, LLC
           ("York Distressed Domestic Holdings"), a New York limited liability
   company and York Offshore Holdings, LLC, a New York limited
     liability company ("York Offshore Holdings"). Dinan is also a
      Director and holder of a controlling interest in York Offshore
          Holdings, Limited. ("York Offshore Limited"), a corporation of the
     Commonwealth of the Bahamas. Dinan is a citizen of the United
States.                                                 

  (ii)   York Investment Limited ("York Investment"), a corporation of The
Commonwealth of The Bahamas.                            

   (iii)  York Capital Management, L.P. ("York Capital"), a Delaware limited
partnership.                                            

   (iv)   York Select, L.P. ("York Select"), a Delaware limited partnership.

(v)    York Select Unit Trust ("York Select Trust"), a trust organized
under the laws of the Cayman Islands.                   

(vi)   York Distressed Opportunities Fund, L.P. ("York Distressed     
Opportunities"), a Delaware limited partnership.        

  (vii)  York Offshore Investors Unit Trust ("York Offshore Investors"), a
trust organized under the laws of the Cayman Islands.   

York Offshore Limited is the investment manager of York Investment.   

Dinan Management is the General Partner of York Capital.              

9 

SC 13G/A 10th Page of 20 TOC 1st Previous Next ↓Bottom Just 10th
York Select Domestic Holdings is the General Partner of York Select.  

York Select Offshore Holdings is the investment manager of York Select
Trust.                                                                

York Distressed Domestic Holdings is the General Partner of York      
Distressed Opportunities.                                             

York Offshore Holdings is the investment manager of York Offshore     
Investors.                                                            

  Dinan is also filing this statement on behalf of certain other funds and
accounts ("Managed Accounts") over which he has discretionary investment        
authority. Dinan is the President and sole shareholder of JGD Management Corp., 
a Delaware corporation, which manages the Managed Accounts.                     

10

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ITEM 2(B).                 ADDRESS OF PRINCIPAL BUSINESS OFFICE:                
          ------------------------------------

  The address of each of Dinan, York Capital, York Select and York
Distressed Opportunities is:                                                    

       390 Park Avenue
  15th Floor
                New York, New York 10022

The address of York Investment for purposes of this filing is:

               York Investment Limited
                   c/o York Capital Management
       390 Park Avenue
  15th Floor
                New York, New York 10022

  The address of York Select Trust for purposes of this filing is:

              York Select Unit Trust
                   c/o York Capital Management
       390 Park Avenue
  15th Floor
                New York, New York 10022

        The address of York Offshore Investors for purposes of this filing is:

                          York Offshore Investors Unit Trust
                   c/o York Capital Management
       350 Park Avenue
 4th Floor
                New York, New York 10022

ITEM 2(D).                 TITLE OF CLASS OF SECURITIES:                        
  ----------------------------

Common Shares             

ITEM 2(E).                 CUSIP NUMBER:                                        
------------              

45321T202                 

11

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ITEM 4.(A),                                                                     
(B) AND (C)                OWNERSHIP.                                           
---------                 

Provide the following information regarding the aggregate number and  
percentage of the class of securities of the issuer identified in Item 1.       

(i)   Dinan                                                         

(a)   Amount beneficially owned: 1,082,157 shares.      

(b)   Percent of class: 10.7%.                          

(c)   Number of shares as to which such person has:     

                 (i)   Sole power to vote or direct the vote 1,082,157 shares.

      (ii)  Shared power to vote or direct the vote -0-.

            (iii) Sole power to dispose or direct the disposition of
1,082,157 shares.               

              (iv)  Shared power to dispose or direct the disposition of
-0-.                            

(ii)  York Investment                                               

(a)   Amount beneficially owned: 424,793 shares.        

(b)   Percent of class: 4.2%.                           

(c)   Number of shares as to which such person has:     

               (i)   Sole power to vote or direct the vote 424,793 shares.

      (ii)  Shared power to vote or direct the vote -0-.

            (iii) Sole power to dispose or direct the disposition of
424,793 shares.                 

              (iv)  Shared power to dispose or direct the disposition of
-0-.                            

(iii) York Capital                                                  

(a)   Amount beneficially owned: 184,340 shares.        

(b)   Percent of class: 1.8%.                           

(c)   Number of shares as to which such person has:     

               (i)   Sole power to vote or direct the vote 184,340 shares.

      (ii)  Shared power to vote or direct the vote -0-.

            (iii) Sole power to dispose or direct the disposition of
184,340 shares.                 

              (iv)  Shared power to dispose or direct the disposition of
-0-.                            

12

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(iv)  York Select                                                   

(a)   Amount beneficially owned:  7,434 shares.         

(b)   Percent of class: 0.1%.                           

(c)   Number of shares as to which such person has:     

             (i)   Sole power to vote or direct the vote 7,434 shares.

      (ii)  Shared power to vote or direct the vote -0-.

            (iii) Sole power to dispose or direct the disposition of
7,434 shares.                   

              (iv)  Shared power to dispose or direct the disposition of
-0-.                            

(v)   York Select Trust                                             

(a)   Amount beneficially owned: 4,576 shares.          

(b)   Percent of class: 0.1%.                           

(c)   Number of shares as to which such person has:     

             (i)   Sole power to vote or direct the vote 4,576 shares.

      (ii)  Shared power to vote or direct the vote -0-.

            (iii) Sole power to dispose or direct the disposition of
4,576 shares.                   

              (iv)  Shared power to dispose or direct the disposition of
-0-.                            

(vi)  York Distressed Opportunities                                 

(a)   Amount beneficially owned: 138,549 shares.        

(b)   Percent of class: 1.4%.                           

(c)   Number of shares as to which such person has:     

               (i)   Sole power to vote or direct the vote 138,549 shares.

      (ii)  Shared power to vote or direct the vote -0-.

            (iii) Sole power to dispose or direct the disposition of
138,549 shares.                 

              (iv)  Shared power to dispose or direct the disposition of
-0-.                            

(vii) York Offshore Investors                                       

(a)   Amount beneficially owned: 204,150 shares.        

13

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(b)   Percent of class: 2.0%.                           

(c)   Number of shares as to which such person has:     

               (i)   Sole power to vote or direct the vote 204,150 shares.

      (ii)  Shared power to vote or direct the vote -0-.

            (iii) Sole power to dispose or direct the disposition of
204,150 shares.                 

              (iv)  Shared power to dispose or direct the disposition of
-0-.                            

   The number of shares beneficially owned and the percentage of outstanding
shares represented thereby, for each of the Reporting Persons, have been        
computed in accordance with Rule 13d-3 under the Securities Exchange Act of     
1934, as amended. The percentage of ownership described above is based on       
10,118,194 Common Shares, representing 10,000,000 Common Shares outstanding on  
September 30, 2003 plus the 118,194 Common Shares which would be received by the
Reporting Persons upon the conversion of the $1,674,767 face amount of 2003     
Notes currently issuable to the Reporting Persons by IMPSAT Fiber Networks, Inc.

ITEM 6.                    OWNERSHIP OF MORE THAN FIVE PERCENT ON BEHALF        
OF ANOTHER PERSON.        
                   ---------------------------------------------

The Managed Accounts have the right to receive dividends from, or the 
proceeds from the sale of, the Common Shares.                                   

14

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ITEM 10.                   CERTIFICATION.                                       
-------------             

  By signing below I certify that, to the best of my knowledge and belief,
the securities referred to above were not acquired and are not held for the     
purpose of or with the effect of changing or influencing the control of the     
issuer of the securities and were not acquired and are not held in connection   
with or as a participant in any transaction having that purpose or effect.      

 SIGNATURE
 ---------

     After reasonable inquiry and to the best of the knowledge and belief of the
undersigned Reporting Person, the undersigned Reporting Person certifies that   
the information set forth in this statement with respect to it, or him, as the  
case may be, is true, complete and accurate.                                    

Dated:  March 10, 2004                                                          

                                                /s/ James G. Dinan
                                                       -------------------------
                                            James G. Dinan

15

ITEM 10.                   CERTIFICATION.                                       
-------------             

  By signing below I certify that, to the best of my knowledge and belief,
the securities referred to above were not acquired and are not held for the     
purpose of or with the effect of changing or influencing the control of the     
issuer of the securities and were not acquired and are not held in connection   
with or as a participant in any transaction having that purpose or effect.      

 SIGNATURE
 ---------

     After reasonable inquiry and to the best of the knowledge and belief of the
undersigned Reporting Person, the undersigned Reporting Person certifies that   
the information set forth in this statement with respect to it, or him, as the  
case may be, is true, complete and accurate.                                    

Dated:  March 10, 2004                                                          

                               YORK INVESTMENT LIMITED

                                          By: YORK OFFSHORE HOLDINGS LIMITED

                                 By:    /s/ James G. Dinan
                                                   -----------------------------
                                    James G. Dinan
                              Director

16

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ITEM 10.                   CERTIFICATION.                                       
-------------             

  By signing below I certify that, to the best of my knowledge and belief,
the securities referred to above were not acquired and are not held for the     
purpose of or with the effect of changing or influencing the control of the     
issuer of the securities and were not acquired and are not held in connection   
with or as a participant in any transaction having that purpose or effect.      

 SIGNATURE
 ---------

     After reasonable inquiry and to the best of the knowledge and belief of the
undersigned Reporting Person, the undersigned Reporting Person certifies that   
the information set forth in this statement with respect to it, or him, as the  
case may be, is true, complete and accurate.                                    

Dated:  March 10, 2004                                                          

                                                   YORK CAPITAL MANAGEMENT, L.P.

                                                  By: DINAN MANAGEMENT, L.L.C.

                                               By:    /s/ James G. Dinan
                                                          ----------------------
                                                  James G. Dinan
                                                          Senior Managing Member

17

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ITEM 10.                   CERTIFICATION.                                       
-------------             

  By signing below I certify that, to the best of my knowledge and belief,
the securities referred to above were not acquired and are not held for the     
purpose of or with the effect of changing or influencing the control of the     
issuer of the securities and were not acquired and are not held in connection   
with or as a participant in any transaction having that purpose or effect.      

 SIGNATURE
 ---------

     After reasonable inquiry and to the best of the knowledge and belief of the
undersigned Reporting Person, the undersigned Reporting Person certifies that   
the information set forth in this statement with respect to it, or him, as the  
case may be, is true, complete and accurate.                                    

Dated:  March 10, 2004                                                          

                                       YORK SELECT, L.P.

                                                 By:    YORK SELECT DOMESTIC
                                                 HOLDINGS, LLC

                                               By:    /s/ James G. Dinan
                                                          ----------------------
                                                  James G. Dinan
                                                          Senior Managing Member

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ITEM 10.                   CERTIFICATION.                                       
-------------             

  By signing below I certify that, to the best of my knowledge and belief,
the securities referred to above were not acquired and are not held for the     
purpose of or with the effect of changing or influencing the control of the     
issuer of the securities and were not acquired and are not held in connection   
with or as a participant in any transaction having that purpose or effect.      

 SIGNATURE
 ---------

     After reasonable inquiry and to the best of the knowledge and belief of the
undersigned Reporting Person, the undersigned Reporting Person certifies that   
the information set forth in this statement with respect to it, or him, as the  
case may be, is true, complete and accurate.                                    

Dated:   March 10, 2004                                                         

                                      YORK SELECT UNIT TRUST

                                           By:    YORK SELECT OFFSHORE
                                          HOLDINGS LLC

                                         By:    /s/ James G. Dinan
                                                       -------------------------
                                            James G. Dinan
                                                    Senior Managing Member

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ITEM 10.                   CERTIFICATION.                                       
-------------             

  By signing below I certify that, to the best of my knowledge and belief,
the securities referred to above were not acquired and are not held for the     
purpose of or with the effect of changing or influencing the control of the     
issuer of the securities and were not acquired and are not held in connection   
with or as a participant in any transaction having that purpose or effect.      

 SIGNATURE
 ---------

     After reasonable inquiry and to the best of the knowledge and belief of the
undersigned Reporting Person, the undersigned Reporting Person certifies that   
the information set forth in this statement with respect to it, or him, as the  
case may be, is true, complete and accurate.                                    

Dated:   March 10, 2004                                                         

                       YORK DISTRESSED
                                        OPPORTUNITIES FUND, L.P.

                           By: YORK DISTRESSED
                                      DOMESTIC HOLDINGS, LLC

                                         By:    /s/ James G. Dinan
                                                       -------------------------
                                            James G. Dinan
                                                    Senior Managing Member

20

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ITEM 10.                   CERTIFICATION.                                       
-------------             

  By signing below I certify that, to the best of my knowledge and belief,
the securities referred to above were not acquired and are not held for the     
purpose of or with the effect of changing or influencing the control of the     
issuer of the securities and were not acquired and are not held in connection   
with or as a participant in any transaction having that purpose or effect.      

 SIGNATURE
 ---------

     After reasonable inquiry and to the best of the knowledge and belief of the
undersigned Reporting Person, the undersigned Reporting Person certifies that   
the information set forth in this statement with respect to it, or him, as the  
case may be, is true, complete and accurate.                                    

Dated:   March 10, 2004                                                         

                                              YORK OFFSHORE INVESTORS UNIT TRUST

                                              By:    YORK OFFSHORE HOLDINGS, LLC

                                     By:    /s/ James G. Dinan
                                                    --------------------------
                                        James G. Dinan
                                                Senior Managing Member

21

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Dates Referenced Herein and Documents Incorporated by Reference

		Referenced-On Page
This ‘SC 13G/A’ Filing	Date	First	Last	Other Filings

Filed on:	3/10/04	15	20	SC 13G/A
	12/31/03	1		10-K, 4, 4/A
	9/30/03	14		10-Q, 4
				List all Filings

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Filing Submission 0000950120-04-000190 – Alternative Formats (Word / Rich Text, HTML, Plain Text, et al.)

Dinan James G, et al. – ‘SC 13G/A’ on 3/10/04 re: Impsat Fiber Networks Inc

On: Wednesday, 3/10/04, at 10:47am ET · Accession #: 950120-4-190 · File #: 5-60701

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Amendment to Statement of Beneficial Ownership — Schedule 13GFiling Table of Contents

Document Table of Contents

Dates Referenced Herein and Documents Incorporated by Reference

Amendment to Statement of Beneficial Ownership — Schedule 13G
Filing Table of Contents