SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549


SCHEDULE TO

Tender Offer Statement Under Section 14(d)(1) or 13(e)(1)
of the Securities Exchange Act of 1934
(Amendment No. 1)


ENGELHARD CORPORATION
(Name of Subject Company)


IRON ACQUISITION CORPORATION
an indirect wholly owned subsidiary of
BASF AKTIENGESELLSCHAFT
(Names of Filing Persons—Offeror)

Common Stock, Par Value $1.00 Per Share
(Title of Class of Securities)

292845104
(CUSIP Number of Class of Securities)


Hans-Ulrich Engel
Iron Acquisition Corporation
100 Campus Drive
Florham Park, NJ 07932
(973) 245-6000

(Name, Address and Telephone Number of Persons Authorized to Receive Notices
and Communications on Behalf of Filing Persons)


Copy to:

Dr. Joerg Buchmueller
BASF Aktiengesellschaft
67056 Ludwigshafen
Germany
(+49 621) 604-8230
  Peter D. Lyons, Esq.
Clare O'Brien, Esq.
Shearman & Sterling LLP
599 Lexington Avenue
New York, New York 10022
(212) 848-4000

CALCULATION OF FILING FEE



Transaction Valuation*
  Amount of Filing Fee**

$4,840,441,343.00   $517,927.22


*
Estimated for purposes of calculating the amount of the filing fee only. Calculated by multiplying $37.00, the per share tender offer price, by 130,822,739 the sum of (i) the 119,906,559 outstanding shares of Common Stock as of October 31, 2005 (according to the Quarterly Report on Form 10-Q for the period ended September 30, 2005 filed by Engelhard Corporation), and (ii) the 10,916,180 shares of Common Stock subject to outstanding options and stock units as of December 31, 2004 (according to the Annual Report on Form 10-K for the period ended December 31, 2004 filed by Engelhard Corporation).
**
Calculated as 0.0107% of the transaction value.
ý
Check the box if any part of the fee is offset as provided by Rule 0-11(a)(2) and identify the filing with which the offsetting fee was previously paid. Identify the previous filing by registration statement number, or the Form or Schedule and the date of its filing.
Amount Previously Paid:   $517,927.22   Filing Party:   Iron Acquisition Corporation
Form or Registration No.:   Schedule TO   Date Filed:   January 9, 2006

Check the box if the filing relates solely to preliminary communications made before the commencement of a tender offer.

Check the appropriate boxes to designate any transactions to which the statement relates:
ý
third-party tender offer subject to Rule 14d-1.
o
issuer tender offer subject to Rule 13e-4.
o
going-private transaction subject to Rule 13e-3.
o
amendment to Schedule 13D under Rule 13d-2.

Check the following box if the filing is a final amendment reporting the results of the tender offer:    o



        This Amendment No. 1 (this "Amendment") amends and supplements the Tender Offer Statement on Schedule TO filed on January 9, 2006 (as so amended, the "Schedule TO") by Iron Acquisition Corporation, a Delaware corporation ("Purchaser") and an indirect wholly owned subsidiary of BASF Aktiengesellschaft, a stock corporation organized under the laws of the Federal Republic of Germany ("Parent"). The Schedule TO relates to the offer by Purchaser to purchase all the issued and outstanding shares of common stock, par value $1.00 per share (the "Common Stock"), of Engelhard Corporation, a Delaware corporation (the "Company"), and the associated Series A Junior Participating Preferred Stock purchase rights (the "Rights," and together with the Common Stock, the "Shares") issued pursuant to the Rights Agreement, dated as of October 1, 1998, between the Company and ChaseMellon Shareholder Services, L.L.C., as Rights Agent (the "Rights Agreement"), for $37.00 per Share, net to the seller in cash (subject to applicable withholding taxes), without interest, upon the terms and subject to the conditions set forth in the Offer to Purchase dated January 9, 2006 (the "Offer to Purchase"). Except as specifically provided herein, this Amendment does not modify any of the information previously reported on the Schedule TO.

Item 2.    Subject Company Information.

        Item 2 of the Schedule TO is hereby amended and supplemented as follows:

        Section 7—Certain Information Concerning the Company—of the Offer to Purchase is hereby amended and supplemented as follows:

        The second to last paragraph of Section 7 of the Offer to Purchase is amended and restated as follows:

2


        The third sentence of the last paragraph of Section 7 of the Offer to Purchase is amended by deleting the words "Judiciary Plaza, 450 Fifth Street, N.W.," and replacing them with "Station Place, 100 F Street, N.E.," and the amended sentence shall read as follows:

        The fourth sentence of the last paragraph of Section 7 of the Offer to Purchase is amended by deleting the words "Judiciary Plaza, 450 Fifth Street, N.W.," and replacing them with "Station Place, 100 F Street, N.E.," and the amended sentence shall read as follows:

Item 3.    Identity and Background of Filing Persons.

        Item 3 of the Schedule TO is hereby amended and supplemented by the following:

        Section 8—Certain Information Concerning Purchaser and Parent—is hereby amended and supplemented as follows:

        The second sentence of the fourth paragraph of Section 8 of the Offer to Purchase is amended by deleting the words ", to the best knowledge of Purchaser or Parent," and the amended sentence shall read as follows:

        The third sentence of the fifth paragraph of Section 8 of the Offer to Purchase is amended by deleting the words ", to the best knowledge of Purchaser or Parent," and the amended sentence shall read as follows:

        The sixth paragraph of Section 8 of the Offer to Purchase is amended by deleting the words ", to the best knowledge of Purchaser or Parent," and the amended paragraph shall read as follows:

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Item 4.    Terms of the Transaction.

        Item 4 of the Schedule TO is hereby amended and supplemented by the following:

        The Introduction section of the Offer to Purchase is hereby amended and supplemented as follows:

        The following paragraph is hereby added immediately following the fourth paragraph of the Introduction section of the Offer to Purchase:

        Section 5—Material U.S. Federal Income Tax Consequences—of the Offer to Purchase is hereby amended and supplemented as follows:

        The second sentence of the first paragraph of Section 5 of the Offer to Purchase on page 10 is amended by deleting the words "is for general information only and" and the amended sentence shall read as follows:

        Section 14—Certain Conditions of the Offer—is hereby amended and supplemented as follows:

        The following paragraph is hereby added immediately prior to the last paragraph of Section 14 of the Offer to Purchase:

4


Item 11.    Additional Information.

        Item 11 of the Schedule TO is hereby amended and supplemented by the following:

        Section 15—Certain Legal Matters and Regulatory Approvals—is hereby amended and supplemented as follows:

        The following paragraph is hereby added immediately following the last paragraph of Section 15 of the Offer to Purchase:

5


        After due 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: January 18, 2006

    IRON ACQUISITION CORPORATION

 

 

By:

/s/  
HANS-ULRICH ENGEL      
Name: Hans-Ulrich Engel
Title: President

        After due 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: January 18, 2006

    BASF AKTIENGESELLSCHAFT

 

 

By:

/s/  
DR. JUERGEN HAMBRECHT      
Name: Juergen Hambrecht
Title: Chairman of the Board of Executive Directors

 

 

By:

/s/  
DR. KURT BOCK      
Name: Dr. Kurt Bock
Title: Member of the Board of Executive Directors