NATIONAL ENERGY GROUP INC
SC 13D/A, 1998-12-04
CRUDE PETROLEUM & NATURAL GAS
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                                  UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                  SCHEDULE 13D

                    Under the Securities Exchange Act of 1934
                                (Amendment No. 6)

                           National Energy Group, Inc.
                                (Name of Issuer)

                                  Common Stock
                         (Title of Class of Securities)

                                   163581 210
                                 (CUSIP Number)

                               Marc Weitzen, Esq.
                  Gordon Altman Butowsky Weitzen Shalov & Wein
                        114 West 47th Street, 20th Floor
                            New York, New York 10036
                                 (212) 626-0800

           (Name, Address and Telephone Number of Person Authorized to
                       Receive Notices and Communications)

                                November 30, 1998
             (Date of Event which Requires Filing of this Statement)

If the filing person has previously  filed a statement on Schedule 13G to report
the  acquisition  which is the subject of this  Schedule 13D, and is filing this
schedule because of Rule 13d-1(b)(3) or (4), check the following box / /.

NOTE:  Six copies of this statement, including all exhibits, should be filed
with the Commission.  See Rule 13d-1(a) for other parties to whom copies are to
be sent.

*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
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).



<PAGE>




<PAGE>
                                  SCHEDULE 13D

CUSIP No. 163581 210


1        NAME OF REPORTING PERSON
                  High River Limited Partnership

         S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON


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

3        SEC USE ONLY

4        SOURCE OF FUNDS*
                  WC;AF

5        CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS
         REQUIRED PURSUANT TO ITEMS 2(d) or 2(e)                          //

6        CITIZENSHIP OR PLACE OF ORGANIZATION
                  Delaware


NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON
WITH:

         7        SOLE VOTING POWER
                           8,713,744

         8        SHARED VOTING POWER
                           0

         9        SOLE DISPOSITIVE POWER
                           8,713,744

         10       SHARED DISPOSITIVE POWER
                           0

11       AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING
PERSON
                           8,713,744

12       CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
CERTAIN SHARES*

                           //





<PAGE>



13       PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
                           19%

14       TYPE OF REPORTING PERSON*
                           PN





<PAGE>



<PAGE>
                                  SCHEDULE 13D

CUSIP No. 163581 210


1        NAME OF REPORTING PERSON
                  Riverdale LLC

         S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON


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

3        SEC USE ONLY

4        SOURCE OF FUNDS*
                  WC;AF

5        CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS
         REQUIRED PURSUANT TO ITEMS 2(d) or 2(e)                    //

6        CITIZENSHIP OR PLACE OF ORGANIZATION
                  Delaware


NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON
WITH:

         7        SOLE VOTING POWER
                           0

         8        SHARED VOTING POWER
                           8,713,744

         9        SOLE DISPOSITIVE POWER
                           0

         10       SHARED DISPOSITIVE POWER
                           8,713,744

11       AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING
PERSON
                           8,713,744

12       CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
CERTAIN SHARES*




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



<PAGE>



                           19%

14       TYPE OF REPORTING PERSON*
                           CO




<PAGE>




<PAGE>
                                  SCHEDULE 13D

CUSIP No. 163581 210


1        NAME OF REPORTING PERSON
                  Gascon Partners
         S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON


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

3        SEC USE ONLY

4        SOURCE OF FUNDS*
                  WC;AF

5        CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS
         REQUIRED PURSUANT TO ITEMS 2(d) or 2(e)                     //

6        CITIZENSHIP OR PLACE OF ORGANIZATION
                  New York


NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON
WITH:

         7        SOLE VOTING POWER
                           300,000

         8        SHARED VOTING POWER
                           0

         9        SOLE DISPOSITIVE POWER
                           300,000

         10       SHARED DISPOSITIVE POWER
                           0

11       AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING
PERSON
                           300,000

12       CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
CERTAIN SHARES*

                           //


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



<PAGE>



                           0.7%

14       TYPE OF REPORTING PERSON*
                           PN




<PAGE>




<PAGE>
                                  SCHEDULE 13D

CUSIP No. 163581 210


1        NAME OF REPORTING PERSON
                  Cigas Corp.
         S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON


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

3        SEC USE ONLY

4        SOURCE OF FUNDS*
                  OO

5        CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS
         REQUIRED PURSUANT TO ITEMS 2(d) or 2(e)                           //

6        CITIZENSHIP OR PLACE OF ORGANIZATION
                  Delaware


NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON
WITH:

         7        SOLE VOTING POWER
                           0

         8        SHARED VOTING POWER
                           300,000

         9        SOLE DISPOSITIVE POWER
                           0

         10       SHARED DISPOSITIVE POWER
                           300,000

11       AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING
PERSON
                           300,000

12       CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
CERTAIN SHARES*

                           //


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



<PAGE>



                           0.7%

14       TYPE OF REPORTING PERSON*
                           CO




<PAGE>




<PAGE>
                                  SCHEDULE 13D

CUSIP No. 163581 210


1        NAME OF REPORTING PERSON
                  Astral Gas Corp.
         S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON


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

3        SEC USE ONLY

4        SOURCE OF FUNDS*
                  OO

5        CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS
         REQUIRED PURSUANT TO ITEMS 2(d) or 2(e)                           //

6        CITIZENSHIP OR PLACE OF ORGANIZATION
                  New York


NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON
WITH:

         7        SOLE VOTING POWER
                           0

         8        SHARED VOTING POWER
                           300,000

         9        SOLE DISPOSITIVE POWER
                           0

         10       SHARED DISPOSITIVE POWER
                           300,000

11       AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING
PERSON
                           300,000

12       CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
CERTAIN SHARES*

                           //


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



<PAGE>



                           0.7%

14       TYPE OF REPORTING PERSON*
                           CO




<PAGE>




<PAGE>
                                  SCHEDULE 13D

CUSIP No. 163581 210


1        NAME OF REPORTING PERSON
                  ACF Industries, Incorporated
         S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON


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

3        SEC USE ONLY

4        SOURCE OF FUNDS*
                  OO

5        CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS
         REQUIRED PURSUANT TO ITEMS 2(d) or 2(e)                            //

6        CITIZENSHIP OR PLACE OF ORGANIZATION
                  New Jersey


NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON
WITH:

         7        SOLE VOTING POWER
                           0

         8        SHARED VOTING POWER
                           300,000

         9        SOLE DISPOSITIVE POWER
                           0

         10       SHARED DISPOSITIVE POWER
                           300,000

11       AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING
PERSON
                           300,000

12       CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
CERTAIN SHARES*

                           //


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



<PAGE>



                           0.7%

14       TYPE OF REPORTING PERSON*
                           CO




<PAGE>




<PAGE>
                                  SCHEDULE 13D

CUSIP No. 163581 210


1        NAME OF REPORTING PERSON
                  ACF Industries Holding Corp.
         S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON


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

3        SEC USE ONLY

4        SOURCE OF FUNDS*
                  OO

5        CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS
         REQUIRED PURSUANT TO ITEMS 2(d) or 2(e)                         //

6        CITIZENSHIP OR PLACE OF ORGANIZATION
                  Delaware


NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON
WITH:

         7        SOLE VOTING POWER
                           0

         8        SHARED VOTING POWER
                           300,000

         9        SOLE DISPOSITIVE POWER
                           0

         10       SHARED DISPOSITIVE POWER
                           300,000

11       AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING
PERSON
                           300,000

12       CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
CERTAIN SHARES*

                           //


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



<PAGE>



                           0.7%

14       TYPE OF REPORTING PERSON*
                           CO





<PAGE>




<PAGE>
                                  SCHEDULE 13D

CUSIP No. 163581 210


1        NAME OF REPORTING PERSON
                  Highcrest Investors Corp.
         S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON


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

3        SEC USE ONLY

4        SOURCE OF FUNDS*
                  OO

5        CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS
         REQUIRED PURSUANT TO ITEMS 2(d) or 2(e)                           //

6        CITIZENSHIP OR PLACE OF ORGANIZATION
                  Delaware


NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON
WITH:

         7        SOLE VOTING POWER
                           0

         8        SHARED VOTING POWER
                           300,000

         9        SOLE DISPOSITIVE POWER
                           0

         10       SHARED DISPOSITIVE POWER
                           300,000

11       AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING
PERSON
                           300,000

12       CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
CERTAIN SHARES*

                           //


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



<PAGE>



                           0.7%

14       TYPE OF REPORTING PERSON*
                           CO





<PAGE>




<PAGE>
                                  SCHEDULE 13D

CUSIP No. 163581 210


1        NAME OF REPORTING PERSON
                  Buffalo Investors Corp.
         S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON


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

3        SEC USE ONLY

4        SOURCE OF FUNDS*
                  OO

5        CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS
         REQUIRED PURSUANT TO ITEMS 2(d) or 2(e)                       //

6        CITIZENSHIP OR PLACE OF ORGANIZATION
                  Delaware


NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON
WITH:

         7        SOLE VOTING POWER
                           0

         8        SHARED VOTING POWER
                           300,000

         9        SOLE DISPOSITIVE POWER
                           0

         10       SHARED DISPOSITIVE POWER
                           300,000

11       AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING
PERSON
                           300,000

12       CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
CERTAIN SHARES*

                           //


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



<PAGE>



                           0.7%

14       TYPE OF REPORTING PERSON*
                           CO





<PAGE>




<PAGE>
                                  SCHEDULE 13D

CUSIP No. 163581 210


1        NAME OF REPORTING PERSON
                  Starfire Holding Corporation
         S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON


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

3        SEC USE ONLY

4        SOURCE OF FUNDS*
                  OO

5        CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS
         REQUIRED PURSUANT TO ITEMS 2(d) or 2(e)                            //

6        CITIZENSHIP OR PLACE OF ORGANIZATION
                  Delaware


NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON
WITH:

         7        SOLE VOTING POWER
                           0

         8        SHARED VOTING POWER
                           300,000

         9        SOLE DISPOSITIVE POWER
                           0

         10       SHARED DISPOSITIVE POWER
                           300,000

11       AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING
PERSON
                           300,000

12       CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
CERTAIN SHARES*

                           //


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



<PAGE>



                           0.7%

14       TYPE OF REPORTING PERSON*
                           CO




<PAGE>



<PAGE>
                                  SCHEDULE 13D

CUSIP No. 163581 210                                


1        NAME OF REPORTING PERSON
                  Carl C. Icahn

         S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON


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

3        SEC USE ONLY

4        SOURCE OF FUNDS*
                  AF

5        CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS
         REQUIRED PURSUANT TO ITEMS 2(d) or 2(e)                          //

6        CITIZENSHIP OR PLACE OF ORGANIZATION
                  United States of America


NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON
WITH:

         7        SOLE VOTING POWER
                           0

         8        SHARED VOTING POWER
                           9,013,744

         9        SOLE DISPOSITIVE POWER
                           0

         10       SHARED DISPOSITIVE POWER
                           9,013,744

11       AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING
PERSON
                           9,013,744

12       CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
CERTAIN SHARES*

                           //


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



<PAGE>



                           19.7%

14       TYPE OF REPORTING PERSON*
                           IN




<PAGE>



                                  SCHEDULE 13D

Item 1.   SECURITY AND ISSUER

     This Schedule 13D filed with the U.S.  Securities  and Exchange  Commission
("SEC") on July 27, 1995, by High River Limited Partnership,  a Delaware limited
partnership  ("High  River"),   Riverdale   Investors  Corp.  Inc.,  a  Delaware
corporation  ("Riverdale"),  Gascon  Partners,  a New York  general  partnership
("Gascon  Partners"),Cigas  Corp.,  a Delaware  corporation("Cigas")  Astral Gas
Corp., a New York corporation ("Astral"),  ACF Industries,  Incorporated,  a New
Jersey corporation ("ACF"), ACF Industries Holding Corp., a Delaware corporation
("ACF   Holding"),   Highcrest   Investors   Corp.,   a   Delaware   corporation
("Highcrest"),  Buffalo Investors Corp., a New York corporation  ("Buffalo") and
Starfire Holding Corporation, a Delaware corporation ("Starfire") (collectively,
the  "Registrants")  amended  on July 22,  1996,  August 9, 1996,  September  4,
1996,June  17,  1997 and  December  11,  1997 is further  amended to furnish the
additional  information set forth herein. All capitalized terms contained herein
but not otherwise  defined shall have the meanings ascribed to such terms in the
original Schedule 13D previously filed by the Registrants.

Item 4.  PURPOSE OF TRANSACTION

                  Item 4 is hereby amended to add the following:

On November 30, 1998,  Mr. Icahn met with certain  directors and officers of the
Issuer.  They discussed the forthcoming meeting of representatives of the Issuer
and  certain  holders of Issuer's  outstanding  10 3/4 % Series D Notes due 2006
("Notes")  which was  scheduled  for December 1, 1998. At the November 30, 1998,
meeting, Mr. Icahn suggested that if it were needed by Issuer, he might consider
making  debtor-in-possession  financing available to Issuer in the event holders
of Notes  filed a  petition  to place  Issuer  into an  involuntary  Chapter  11
proceeding. At that meeting, Mr. Icahn also indicated there were several persons
whom he believed  would be good  additions to the Issuer's  Board of  Directors.
There was also a  discussion  of the right of Mr.  Icahn,  as holder of Issuer's
outstanding  Class D Preferred  Stock,  to be  represented  by a majority of the
Board of Directors  under  certain  circumstances.  There were no  agreements or
understandings reached with respect to such right.

Following that meeting, Issuer held a meeting of its Board of Directors and
elected three new directors,  two of whom are employed by entities controlled by
Mr. Icahn.

Entities  owned or  affiliated  with Mr.  Icahn own  Notes  and may,  under 
certain circumstances, acquire additional Notes. In addition,  they  reserve the
right to dispose of any Notes at any time and from
time to time.





Item 5.  INTEREST IN SECURITIES OF ISSUER

                  Item 5 is hereby  amended  by  deleting  the  first  paragraph
inserting the following in place thereof:

                  As of the close of  business on August 13,  1998,  Registrants
may be deemed to beneficially  own in the aggregate  9,013,744  shares of common
stock,  par value  $.01 per  share,  of the  Issuer  (the "NEG  Common  Stock"),
representing approximately 19.7% (computed in accordance with rule 13d- 3(d)(1))
of the  Issuer's  outstanding  common  stock  as of  September  30,  1998 in the
Issuer's most recent filing on Form 10-Q dated  November 16, 1998 filed with the
Securities and Exchange Commission. Registrants have direct beneficial ownership
of the Common Stock as follows:

                                                    Approximate Percentage
                                                    of Outstanding Shares
                           Number of Shares         (computed in accordance
NAME                       NEG COMMON STOCK         WITH RULE 13D-3(D)(1))



High River                     8,713,744                   19%
Gascon Partners                300,000                     0.7 %










<PAGE>



                                   SIGNATURES


         After reasonable  inquiry and to the best of my knowledge and belief, I
certify that the information  set forth in this statement is true,  complete and
correct.

Dated: December 4, 1998

                                              RIVERDALE LLC

                                              By:      /s/ Carl C. Icahn
                                                       Carl C. Icahn
                                              Its: Member


                                              HIGH RIVER LIMITED PARTNERSHIP

                                              By:      RIVERDALE LLC
                                              Its:     General Partner

                                              By:      /s/ Carl C. Icahn
                                                       Carl C. Icahn
                                              Its: Member


                                              GASCON PARTNERS

                                              By: CIGAS CORP.
                                              Its: Managing General Partner

                                              By:      /s/ Edward E. Mattner
                                                       Edward E. Mattner
                                              Its:     President


                                              CIGAS CORP.
                                              By: /s/ Edward E. Mattner
                                                       Edward E. Mattner
                                              Its: President


                                              ASTRAL CORP.
                                              By: /s/ Edward E. Mattner
                                                       Edward E. Mattner
                                              Its: President



[Signature Page of 13D Amendment No. 6 with respect to
National Energy Group, Inc.]


<PAGE>




                                         ACF INDUSTRIES, INCORPORATED

                                         By:  /s/ James J. Unger
                                         James J. Unger
                                         Its: Vice Chairman of the
                                                  Board


                                         ACF INDUSTRIES HOLDING CORP.

                                         By: /s/ Richard T. Buonato

                                         Richard T. Buonato
                                         Its:  Vice President and
                                                  Secretary


                                         HIGHCREST INVESTORS CORP.

                                         By:  /s/ Richard T. Buonato
                                                  Richard T. Buonato
                                         Its: Senior Vice President
                                                   and Treasurer


                                         BUFFALO INVESTORS CORP.

                                         By:/s/Edward E. Mattner
                                                  Edward E. Mattner
                                         Its:  President and Treasurer


                                         STARFIRE HOLDING CORPORATION

                                         By: /s/ Richard T. Buonato
                                                  Richard T. Buonato
                                         Its: Vice President, Treasurer
                                                  and Controller


                                         Carl C. Icahn

                                         By: /s/Carl C. Icahn
                                                  Carl C. Icahn







[Signature Page of 13D Amendment No. 6 with respect to
National Energy Group, Inc.]



<PAGE>



                                   SIGNATURES


         After reasonable  inquiry and to the best of my knowledge and belief, I
certify that the information  set forth in this statement is true,  complete and
correct.

Dated: December 4, 1998


                                             RIVERDALE LLC

                                             By:________________________
                                                      Carl C. Icahn
                                             Its: Member


                                             HIGH RIVER LIMITED PARTNERSHIP

                                             By:      RIVERDALE LLC
                                             Its:     General Partner

                                             By:________________________
                                                      Carl C. Icahn
                                             Its: Member


                                             GASCON PARTNERS

                                             By:  CIGAS CORP.
                                             Its: Managing General Partner

                                             By:_________________________
                                                      Edward E. Mattner
                                             Its:     President


                                             CIGAS CORP.
                                             By:_________________________
                                                      Edward E. Mattner
                                             Its: President


                                             ASTRAL CORP.
                                             By:_________________________
                                                      Edward E. Mattner
                                             Its: President



[Signature Page of 13D Amendment No. 6 with respect to
National Energy Group, Inc.]



<PAGE>



                                              ACF INDUSTRIES, INCORPORATED

                                              By:_______________________
                                                       James J. Unger
                                              Its: Vice Chairman of
                                                        the Board


                                              ACF INDUSTRIES HOLDING CORP.

                                               By:
                                              Richard T. Buonato
                                              Its: Vice President and
                                                       Secretary


                                              HIGHCREST INVESTORS CORP.

                                              By:__________________________
                                                       Richard T. Buonato
                                              Its: Senior Vice President
                                                       and Treasurer


                                              BUFFALO INVESTORS CORP.

                                              By:
                                                        Edward E. Mattner
                                              Its:  President and Treasurer


                                              STARFIRE HOLDING CORPORATION

                                              By:
                                              Richard T. Buonato
                                              Its: Vice President, Treasurer
                                                       and Controller

                                              Carl C. Icahn

                                              By:__________________________
                                                       Carl C. Icahn







[Signature Page of 13D Amendment No. 6 with respect to
National Energy Group, Inc.]



<PAGE>



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