<PAGE>
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, DC 20549
SCHEDULE 13G
Under the Securities Exchange Act of 1934
(Amendment No. )*
Aventis S.A.
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(Name of Issuer)
Ordinary Shares
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(Title of Class of Securities)
053561106
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(CUSIP Number)
December 20, 1999
- --------------------------------------------------------------------------------
(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)
[ ] Rule 13d-1(c)
[x] Rule 13d-1(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 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).
(Continued on following pages)
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CUSIP No. 053561106 13G Page 2 of 10 Pages
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(1) Names of Reporting Persons. I.R.S. Identification Nos. of Above
Persons (entities only)
Petrochemical Resources Holding B.V.*
* The securities which are subject to this statement are 100% owned by
Petrochemical Resources Holdings B.V., which is 100% owned by Kuwait
Petroleum (Nederland) B.V., which is 75% owned by KPC International N.V.,
which is 100% owned by KPC Holdings (Aruba) A.E.C., which is 100% owned by
Kuwait Petroleum Corporation, the ultimate parent of the forgoing entities.
- --------------------------------------------------------------------------------
(2) Check the Appropriate Box if a Member of a Group (See Instructions)
(a) [ ]
(b) [ ]
- --------------------------------------------------------------------------------
(3) SEC Use Only
- --------------------------------------------------------------------------------
(4) Citizenship or Place of Organization
The Netherlands
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Number of Shares Beneficially Owned by Each Reporting Person With
(5) Sole Voting Power
108,027,006
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(6) Shared Voting Power
-0-
- --------------------------------------------------------------------------------
(7) Sole Dispositive Power
108,027,006
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(8) Shared Dispositive Power
-0-
- --------------------------------------------------------------------------------
(9) Aggregate Amount Beneficially Owned by Each Reporting Person
108,027,006
- --------------------------------------------------------------------------------
(10) Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See
Instructions)
[ ]
- --------------------------------------------------------------------------------
(11) Percent of Class Represented by Amount in Row (9)
13.89%
- --------------------------------------------------------------------------------
(12) Type of Reporting Person (See Instructions)
CO
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2
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CUSIP No. 053561106 13G Page 3 of 10 Pages
- --------------------------------------------------------------------------------
(1) Names of Reporting Persons. I.R.S. Identification Nos. of Above
Persons (entities only)
Kuwait Petroleum (Nederland) B.V. *
* The securities which are subject to this statement are 100% owned by
Petrochemical Resources Holdings B.V., which is 100% owned by Kuwait
Petroleum (Nederland) B.V., which is 75% owned by KPC International N.V.,
which is 100% owned by KPC Holdings (Aruba) A.E.C., which is 100% owned by
Kuwait Petroleum Corporation, the ultimate parent of the forgoing entities.
- --------------------------------------------------------------------------------
(2) Check the Appropriate Box if a Member of a Group (See Instructions)
(a) [ ]
(b) [ ]
- --------------------------------------------------------------------------------
(3) SEC Use Only
- --------------------------------------------------------------------------------
(4) Citizenship or Place of Organization
The Netherlands
- --------------------------------------------------------------------------------
Number of Shares Beneficially Owned by Each Reporting Person With
(5) Sole Voting Power
-0-
- --------------------------------------------------------------------------------
(6) Shared Voting Power
-0-
- --------------------------------------------------------------------------------
(7) Sole Dispositive Power
-0-
- --------------------------------------------------------------------------------
(8) Shared Dispositive Power
-0-
- --------------------------------------------------------------------------------
(9) Aggregate Amount Beneficially Owned by Each Reporting Person
108,027,006
- --------------------------------------------------------------------------------
(10) Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See
Instructions)
[ ]
- --------------------------------------------------------------------------------
(11) Percent of Class Represented by Amount in Row (9)
13.89%
- --------------------------------------------------------------------------------
(12) Type of Reporting Person (See Instructions)
CO
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3
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CUSIP No. 053561106 13G Page 4 of 10 Pages
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(1) Names of Reporting Persons. I.R.S. Identification Nos. of Above
Persons (entities only)
KPC International N.V *
* The securities which are subject to this statement are 100% owned by
Petrochemical Resources Holdings B.V., which is 100% owned by Kuwait
Petroleum (Nederland) B.V., which is 75% owned by KPC International N.V.,
which is 100% owned by KPC Holdings (Aruba) A.E.C., which is 100% owned by
Kuwait Petroleum Corporation, the ultimate parent of the forgoing entities.
- --------------------------------------------------------------------------------
(2) Check the Appropriate Box if a Member of a Group (See Instructions)
(a) [ ]
(b) [ ]
- --------------------------------------------------------------------------------
(3) SEC Use Only
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(4) Citizenship or Place of Organization
Netherlands Antilles
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Number of Shares Beneficially Owned by Each Reporting Person With
(5) Sole Voting Power
-0-
- --------------------------------------------------------------------------------
(6) Shared Voting Power
-0-
- --------------------------------------------------------------------------------
(7) Sole Dispositive Power
-0-
- --------------------------------------------------------------------------------
(8) Shared Dispositive Power
-0-
- --------------------------------------------------------------------------------
(9) Aggregate Amount Beneficially Owned by Each Reporting Person
108,027,006
- --------------------------------------------------------------------------------
(10) Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See
Instructions)
[ ]
- --------------------------------------------------------------------------------
(11) Percent of Class Represented by Amount in Row (9)
13.89%
- --------------------------------------------------------------------------------
(12) Type of Reporting Person (See Instructions)
CO
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4
<PAGE>
CUSIP No. 053561106 13G Page 5 of 10 Pages
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(1) Names of Reporting Persons. I.R.S. Identification Nos. of Above
Persons (entities only)
KPC Holdings (Aruba) A.E.C.*
* The securities which are subject to this statement are 100% owned by
Petrochemical Resources Holdings B.V., which is 100% owned by Kuwait
Petroleum (Nederland) B.V., which is 75% owned by KPC International N.V.,
which is 100% owned by KPC Holdings (Aruba) A.E.C., which is 100% owned by
Kuwait Petroleum Corporation, the ultimate parent of the forgoing entities.
- --------------------------------------------------------------------------------
(2) Check the Appropriate Box if a Member of a Group (See Instructions)
(a) [ ]
(b) [ ]
- --------------------------------------------------------------------------------
(3) SEC Use Only
- --------------------------------------------------------------------------------
(4) Citizenship or Place of Organization
Aruba
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Number of Shares Beneficially Owned by Each Reporting Person With
(5) Sole Voting Power
-0-
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(6) Shared Voting Power
-0-
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(7) Sole Dispositive Power
-0-
- --------------------------------------------------------------------------------
(8) Shared Dispositive Power
-0-
- --------------------------------------------------------------------------------
(9) Aggregate Amount Beneficially Owned by Each Reporting Person
108,027,006
- --------------------------------------------------------------------------------
(10) Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See
Instructions)
[ ]
- --------------------------------------------------------------------------------
(11) Percent of Class Represented by Amount in Row (9)
13.89%
- --------------------------------------------------------------------------------
(12) Type of Reporting Person (See Instructions)
CO
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5
<PAGE>
CUSIP No. 053561106 13G Page 6 of 10 Pages
- --------------------------------------------------------------------------------
(1) Names of Reporting Persons. I.R.S. Identification Nos. of Above
Persons (entities only)
Kuwait Petroleum Corporation*
* The securities which are subject to this statement are 100% owned by
Petrochemical Resources Holdings B.V., which is 100% owned by Kuwait
Petroleum (Nederland) B.V., which is 75% owned by KPC International N.V.,
which is 100% owned by KPC Holdings (Aruba) A.E.C., which is 100% owned by
Kuwait Petroleum Corporation, the ultimate parent of the forgoing entities.
- --------------------------------------------------------------------------------
(2) Check the Appropriate Box if a Member of a Group (See Instructions)
(a) [ ]
(b) [ ]
- --------------------------------------------------------------------------------
(3) SEC Use Only
- --------------------------------------------------------------------------------
(4) Citizenship or Place of Organization
Kuwait
- --------------------------------------------------------------------------------
Number of Shares Beneficially Owned by Each Reporting Person With
(5) Sole Voting Power
-0-
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(6) Shared Voting Power
-0-
- --------------------------------------------------------------------------------
(7) Sole Dispositive Power
-0-
- --------------------------------------------------------------------------------
(8) Shared Dispositive Power
-0-
- --------------------------------------------------------------------------------
(9) Aggregate Amount Beneficially Owned by Each Reporting Person
108,027,006
- --------------------------------------------------------------------------------
(10) Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See
Instructions)
[ ]
- --------------------------------------------------------------------------------
(11) Percent of Class Represented by Amount in Row (9)
13.89%
- --------------------------------------------------------------------------------
(12) Type of Reporting Person (See Instructions)
CO
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6
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CUSIP No. 053561106 13G Page 7 of 10 Pages
SCHEDULE 13G - TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULE 13d-1(d)
Item 1(a). Name Of Issuer:
Aventis S.A.
Item 1(b). Address of Issuer's Principal Executive Offices:
BP 67917
67917 Strasbourg Cedex 9
France
Item 2(a). Names of Person Filing:
Petrochemical Resources Holdings B.V.
Item 2(b). Address of Principal Business Office or, if none, Residence:
Postbus 21236
3001 AE Rotterdam
The Netherlands
Item 2(c). Citizenship:
The Netherlands
Item 2(d). Title of Class of Securities:
Ordinary Shares of Aventis S.A.
Item 2(e). CUSIP Number:
053561106
Item 3. This statement is filed pursuant to Rules 13d-1(d).
Not applicable.
Item 4. Ownership
(a) Amount Beneficially Owned:
108,027,006
(b) Percent of Class:
13.89%
(c) Number of shares as to which the person has:
(i) sole power to vote or direct the vote: 108,027,006
(ii) shared power to vote or direct the vote: 0
(iii) sole power to dispose or to direct the disposition of: 108,027,006
7
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CUSIP No. 053561106 13G Page 8 of 10 Pages
(iv) shared power to dispose or to direct the disposition of: 0
Item 5. Ownership of Five Percent or Less of a Class.
Not applicable.
Item 6. Ownership of More than Five Percent on Behalf of Another Person.
Not applicable.
Item 7. Identification and Classification of the Subsidiary Which Acquired the
Security Being Reported on by the Parent Holding Company.
Not applicable.
Item 8. Identification and Classification of Members of the Group.
Not applicable.
Item 9. Notice of Dissolution of Group.
Not applicable.
Item 10. Certification.
Not applicable.
SIGNATURE
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.
Pursuant to Rule 13d-1(k) this Schedule 13G is filed jointly on behalf
of each of Petrochemical Resources Holding B.V., Kuwait Petroleum (Nederland)
B.V., KPC International N.V., KPC Holdings (Aruba) A.E.C. and Kuwait Petroleum
Corporation.
Date: February 10, 2000
Petrochemical Resources Holding B.V.
By: /s/ Seham A. Razzouqi
---------------------------------
Seham A. Razzouqi
Chairman & Managing Director
/s/ Abdulhadi Al-Awwad
---------------------------------
Abdulhadi Al-Awwad
Managing Director
8
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CUSIP No. 053561106 13G Page 9 of 10 Pages
Kuwait Petroleum (Nederland) B.V.
By: /s/ Abdulhadi Al-Awwad
------------------------------------------
Abdulhadi Al-Awwad under Power of Attorney
dated December 17, 1999
KPC International N.V.
By: /s/ Abdulhadi Al-Awwad
------------------------------------------
Abdulhadi Al-Awwad under Power of Attorney
dated December 16, 1999
KPC Holdings (Aruba) A.E.C.
By: /s/ Abdulhadi Al-Awwad
------------------------------------------
Abdulhadi Al-Awwad under Power of Attorney
dated December 15, 1999
Kuwait Petroleum Corporation.
By: /s/ Seham A. Razzouqi
------------------------------------------
Seham A. Razzouqi
Acting Deputy Chairman & CEO
9
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CUSIP No. 053561106 13G Page 10 of 10 Pages
EXHIBIT - AGREEMENT ON JOINT FILING
The undersigned, on February 10, 2000, agree and consent to the joint
filing, pursuant to Rule 13d-1(k), on their behalf of this Schedule 13G in
connection with their beneficial ownership of the Ordinary Shares of Aventis
S.A.
Date: February 10, 2000
Petrochemical Resources Holding B.V.
By: /s/ Seham A. Razzouqi
------------------------------------------
Seham A. Razzouqi
Chairman & Managing Director
/s/ Abdulhadi Al-Awwad
------------------------------------------
Abdulhadi Al-Awwad
Managing Director
Kuwait Petroleum (Nederland) B.V.
By: /s/ Abdulhadi Al-Awwad
------------------------------------------
Abdulhadi Al-Awwad under Power of Attorney
dated December 17, 1999
KPC International N.V.
By: /s/ Abdulhadi Al-Awwad
------------------------------------------
Abdulhadi Al-Awwad under Power of Attorney
dated December 16, 1999
KPC Holdings (Aruba) A.E.C.
By: /s/ Abdulhadi Al-Awwad
------------------------------------------
Abdulhadi Al-Awwad under Power of Attorney
dated December 15, 1999
Kuwait Petroleum Corporation.
By: /s/ Seham A. Razzouqi
------------------------------------------
Seham A. Razzouqi
Acting Deputy Chairman & CEO
10
