<PAGE>
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Amendment No. 8 to
Schedule 13D
Under the Securities Exchange Act of 1934
TERRA NITROGEN COMPANY, L.P.
----------------------------
(Name of Issuer)
Common Units of Limited Partnership Interests
---------------------------------------------
(Title of Class of Securities)
881005 20 1
--------------
(CUSIP Number)
George H. Valentine
Corporate Secretary
Terra Industries Inc.
Terra Centre
600 Fourth Street
Sioux City, Iowa 51102-6000
(712) 277-1340
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(Name, Address and Telephone Number of Person
Authorized to Receive Notices and Communications)
December 13, 2000
------------------------------------
(Date of Event which Requires Filing
of this Statement)
If 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 [_].
Check the following box if a fee is being paid with the statement [_].
<PAGE>
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CUSIP No. 881005 20 1 13D
----------------------- -----------------
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NAMES OF REPORTING PERSON
1 S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
Terra Nitrogen Corporation
EIN: 72-1159610
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CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
2 (a) [_]
(b) [X]
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SEC USE ONLY
3
------------------------------------------------------------------------------
SOURCE OF FUNDS*
4
OO
------------------------------------------------------------------------------
CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT
TO ITEMS 2(D) or 2(E) [_]
5
------------------------------------------------------------------------------
CITIZENSHIP OR PLACE OF ORGANIZATION
6
Delaware
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SOLE VOTING POWER
7
NUMBER OF -0-
SHARES -----------------------------------------------------------
SHARED VOTING POWER
BENEFICIALLY 8
11,172,414 (See Item 5)
OWNED BY
-----------------------------------------------------------
EACH SOLE DISPOSITIVE POWER
9
REPORTING -0-
PERSON -----------------------------------------------------------
SHARED DISPOSITIVE POWER
WITH 10
11,172,414 (See Item 5)
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AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
11
11,172,414 (See Item 5)
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CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES*
12
[_]
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PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
13
60.4% (See Item 5)
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TYPE OF REPORTING PERSON*
14
CO
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<PAGE>
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CUSIP No. 881005 20 1 13D
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NAMES OF REPORTING PERSON
1 S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
Terra Capital, Inc. (Due to direct ownership of 2,216,600 Common Units
and solely due to indirect ownership of 11,172,414 Common Units through
its wholly owned subsidiary, Terra Nitrogen Corporation) EIN: 42-1431650
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CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
2 (a) [_]
(b) [X]
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SEC USE ONLY
3
------------------------------------------------------------------------------
SOURCE OF FUNDS*
4
OO
------------------------------------------------------------------------------
CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT
TO ITEMS 2(D) or 2(E) [_]
5
------------------------------------------------------------------------------
CITIZENSHIP OR PLACE OF ORGANIZATION
6
Delaware
------------------------------------------------------------------------------
SOLE VOTING POWER
7
NUMBER OF -0-
SHARES -----------------------------------------------------------
SHARED VOTING POWER
BENEFICIALLY 8
13,648,814 Common Units (See Item 5)
OWNED BY
-----------------------------------------------------------
EACH SOLE DISPOSITIVE POWER
9
REPORTING -0-
PERSON -----------------------------------------------------------
SHARED DISPOSITIVE POWER
WITH 10
13,648,814 Common Units (See Item 5)
------------------------------------------------------------------------------
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
11
13,648,814 Common Units (See Item 5)
------------------------------------------------------------------------------
CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES*
12
[_]
------------------------------------------------------------------------------
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
13
73.8% (See Item 5)
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TYPE OF REPORTING PERSON*
14
CO
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<PAGE>
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CUSIP No. 881005 20 1 13D
----------------------- -----------------
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NAMES OF REPORTING PERSON
1 S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
Terra Capital Holdings, Inc. (Solely due to indirect ownership through
its wholly owned subsidiary, Terra Capital, Inc.) EIN: 42-1431905
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CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
2 (a) [_]
(b) [X]
------------------------------------------------------------------------------
SEC USE ONLY
3
------------------------------------------------------------------------------
SOURCE OF FUNDS*
4
OO
------------------------------------------------------------------------------
CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT
TO ITEMS 2(D) or 2(E) [_]
5
------------------------------------------------------------------------------
CITIZENSHIP OR PLACE OF ORGANIZATION
6
Delaware
------------------------------------------------------------------------------
SOLE VOTING POWER
7
NUMBER OF -0-
SHARES -----------------------------------------------------------
SHARED VOTING POWER
BENEFICIALLY 8
13,648,814 Common Units (See Item 5)
OWNED BY
-----------------------------------------------------------
EACH SOLE DISPOSITIVE POWER
9
REPORTING -0-
PERSON -----------------------------------------------------------
SHARED DISPOSITIVE POWER
WITH 10
13,648,814 Common Units (See Item 5)
------------------------------------------------------------------------------
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
11
13,648,814 Common Units (See Item 5)
------------------------------------------------------------------------------
CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES*
12
[_]
------------------------------------------------------------------------------
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
13
73.8% (See Item 5)
------------------------------------------------------------------------------
TYPE OF REPORTING PERSON*
14
CO
------------------------------------------------------------------------------
<PAGE>
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CUSIP No. 881005 20 1 13D
----------------------- -----------------
------------------------------------------------------------------------------
NAMES OF REPORTING PERSON
1 S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
Terra Industries, Inc. (Solely due to indirect ownership through its
wholly owned subsidiary, Terra Capital Holdings, Inc.) EIN: 52-1145429
------------------------------------------------------------------------------
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
2 (a) [_]
(b) [X]
------------------------------------------------------------------------------
SEC USE ONLY
3
------------------------------------------------------------------------------
SOURCE OF FUNDS*
4
OO
------------------------------------------------------------------------------
CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT
TO ITEMS 2(D) or 2(E) [_]
5
------------------------------------------------------------------------------
CITIZENSHIP OR PLACE OF ORGANIZATION
6
Delaware
------------------------------------------------------------------------------
SOLE VOTING POWER
7
NUMBER OF -0-
SHARES -----------------------------------------------------------
SHARED VOTING POWER
BENEFICIALLY 8
13,648,814 Common Units (See Item 5)
OWNED BY
-----------------------------------------------------------
EACH SOLE DISPOSITIVE POWER
9
REPORTING -0-
PERSON -----------------------------------------------------------
SHARED DISPOSITIVE POWER
WITH 10
13,648,814 Common Units (See Item 5)
------------------------------------------------------------------------------
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
11
13,648,814 Common Units (See Item 5)
------------------------------------------------------------------------------
CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES*
12
[_]
------------------------------------------------------------------------------
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
13
73.8% (See Item 5)
------------------------------------------------------------------------------
TYPE OF REPORTING PERSON*
14
CO
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<PAGE>
Item 1. Security and Issuer.
-------------------
This Amendment No. 8 amends the Schedule 13D dated March 31, 1997 (as
amended by Amendments Nos. 1 through 7, the "Schedule 13D") of the Reporting
Persons relating to Common Units of limited partnership interests (the "Common
Units") of Terra Nitrogen Company, L.P., a Delaware limited partnership
("TNCLP"). The principal executive offices of TNCLP are at 600 Fourth Street,
Sioux City, Iowa 51101.
Item 2. Identity and Background
-----------------------
Item 2 is hereby amended as follows:
The first sentence of paragraph (a) is amended by deleting from (v) to
the end of the sentence. The second and third sentences of paragraph (b) are
deleted entirely. Paragraph (c) is amended by deleting the text beginning with
the fifth sentence to the end of the paragraph.
Item 2 and Annex A are hereby amended to add the following to Section
I of Annex A:
Name: Dennis B. Longmire (Director)
------------------
Citizenship: United States of America
Business Address: 111 Broadway
Versailles, KY 40383
Principal Occupation: Chairman of the Board and CEO, McCauley
Brothers, Inc.
Name: Theodore D. Sands (Director)
-----------------
Citizenship: United States of America
Business Address: 535 Fifth Avenue, Suite 3300
New York, NY 10017
Principal Occupation: President, HAAS Capital, LLC
Name: Burton M. Joyce (Director, Chairman of the
Board)
Citizenship: United States of America
Business Address 600 Fourth Street
Sioux City, IA 51101
Principal Occupation: President and Chief Executive Officer, Terra
Item 2 and Annex A are further amended to add/modify the following to
Section IV of Annex A:
Burton M. Joyce (Director, President and SECTION I
Chief Executive Officer)
Name: Eric K. Diack (Director)
Citizenship: South Africa
Business Address: 44 Main Street
Johannesburg, South Africa
Principal Occupation: Executive Vice President - Finance, Anglo
American Corporation of South Africa Limited
<PAGE>
Name: Mark A. Kalafut
Citizenship: United States of America
Business Address: 600 Fourth Street
Sioux City, IA 51101
Principal Occupation: Vice President and Associate General Counsel,
Terra
Item 2 and Annex A are further amended by deleting Sections V, VI and
VII of Annex A.
Item 3. Source and Amount of Funds or Other Consideration.
-------------------------------------------------
Item 3 is hereby amended by insertion of the following additional
sentence at the end of the second paragraph: "The amount of funds expended for
the purchases between October 30, 2000 and December 20, 2000 totaled $1.98
million."
Item 4. Purpose of Transaction.
----------------------
Item 4 is hereby amended by the insertion of the following additional
sentence after the seventh sentence of the second paragraph: "Terra Capital
further purchased 259,800 Common Units between October 30, 2000 and December 20,
2000 pursuant to the buyback authority."
Item 4 is further amended by the deletion of the fifth paragraph.
Item 5. Interest in Securities of the Issuer.
------------------------------------
Item 5, section (a) is hereby amended by deleting the second and third
sentences of the first paragraph and replacing them with the following
sentences: "Terra Capital is the direct beneficial owner of 2,476,400 Common
Units and, by virtue of its ownership of all the outstanding common stock of
TNC, may be deemed to possess indirect beneficial ownership of the Common Units
beneficially owned by TNC. Thus, Terra Capital's direct and indirect ownership
in the aggregate represents approximately 73.8% of the outstanding Common
Units."
Item 5, section (a) is further amended by deleting the third sentence
of paragraph two.
Item 5, section (b) is hereby further amended by deleting the second
sentence of the first paragraph and replacing it with the following sentence:
"Terra Capital has the power to vote or direct the vote and the power to dispose
of or direct the disposition of the 2,476,400 Common Units beneficially owned by
Terra Capital."
Item 5, section (b) is further amended by deleting the fourth sentence
of paragraph two.
Item 5 is hereby further amended by adding the following table under
section (c)(i) to read as follows:
<TABLE>
<CAPTION>
Purchase Date Number of Units Price per Unit
------------- --------------- --------------
<S> <C> <C>
10/30/00 12,100 $6.9241
11/01/00 14,600 $6.9760
11/02/00 2,500 $6.8750
11/03/00 6,200 $7.2500
11/06/00 1,000 $7.0000
11/08/00 7,400 $7.2424
</TABLE>
<PAGE>
<TABLE>
<S> <C> <C>
11/09/00 7,400 $7.2500
11/10/00 2,100 $7.2500
11/14/00 7,500 $7.3125
11/16/00 7,500 $7.3750
11/27/00 5,000 $7.2500
11/28/00 5,000 $7.2500
11/29/00 2,200 $7.2500
11/30/00 15,000 $7.2500
12/01/00 2,500 $7.2500
12/04/00 3,500 $7.2500
12/05/00 3,500 $7.2857
12/06/00 13,500 $7.4977
12/07/00 3,500 $7.6607
12/11/00 48,000 $8.0000
12/12/00 4,000 $7.8750
12/13/00 14,100 $8.0000
12/14/00 1,400 $7.9375
12/15/00 31,100 $7.9918
12/18/00 4,900 $8.0000
12/19/00 21,400 $8.0000
12/20/00 12,900 $7.6335
Total (between 10/01/00 and 12/20/00) 259,800
Total (in 2000, through 12/20/00) 259,800
</TABLE>
Item 6. Contracts, Arrangements, Understandings or Relationships with Respect to
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Securities of the Issuer.
------------------------
Not amended.
Item 7. Material to be Filed as Exhibits.
--------------------------------
Exhibit B - Agreement Concerning Joint Filing of Schedule 13D.
<PAGE>
SIGNATURE
After reasonable inquiry and to the best of our knowledge and belief,
the undersigned certifies that the information set forth in this Statement is
true, complete and correct.
Date: December 21, 2000
TERRA NITROGEN CORPORATION
By /s/ George H. Valentine
------------------------------------
George H. Valentine
Its: Vice President and General Counsel
TERRA CAPITAL, INC.
By /s/ George H. Valentine
------------------------------------
George H. Valentine
Its: Vice President and Corporate Secretary
TERRA CAPITAL HOLDINGS, INC.
By /s/ George H. Valentine
------------------------------------
George H. Valentine
Its: Vice President and Corporate Secretary
TERRA INDUSTRIES INC.
By /s/ George H. Valentine
------------------------------------
George H. Valentine
Its: Senior Vice President, General Counsel and
Corporate Secretary
