================================================================================ FIRST SUPPLEMENTAL INDENTURE to INDENTURE dated as of January 20, 1999 among FEDERAL-MOGUL CORPORATION as Issuer, THE GUARANTORS PARTY HERETO FROM TIME TO TIME as Guarantors and THE BANK OF NEW YORK as Trustee Dated as of December 29, 2000 ================================================================================ FIRST SUPPLEMENTAL INDENTURE, dated as of December 29, 2000 among Federal-Mogul Corporation, a Michigan corporation, as issuer (the "Company"), the companies listed on the signature pages of the Indenture (as hereinafter defined) that are subsidiaries of the Company (the "Existing Guarantors"), AE Goetze FB Inc., Brake Acquisition Inc., Federal-Mogul Aftermarket of Canada Inc., Federal-Mogul Camshafts, Inc., Federal-Mogul Carolina, Inc., Federal-Mogul Engineered Bearings, Inc., Federal-Mogul Flowery Branch, L.L.C., Federal-Mogul LaGrange, Inc., Federal-Mogul Piston Rings, Inc., Federal-Mogul Powertrain Inc., Federal-Mogul RPB, Inc., Federal-Mogul Sealing Systems, Inc., Federal-Mogul Sintered Products - Waupun, Inc., Federal-Mogul Sintered Products, Inc., Federal-Mogul South Bend, Inc., Federal-Mogul Systems Protection Group, Inc., Federal-Mogul Technology, Inc., Ferodo America, Inc., Ferodo Technical Center Inc., McCord Sealing, Inc., T&N Industries Inc. and Weyburn Acquisition Corporation, each a direct or indirect wholly-owned subsidiary of the Company (the "New Guarantors"), and The Bank of New York, a New York banking corporation, as trustee (the "Trustee"). RECITALS An Indenture (as such may be amended, supplemented or modified from time to time, the "Indenture") dated as of January 20, 1999, has been duly executed and delivered by the Company and the companies listed on the signature pages thereto that are subsidiaries of the Company (the "Original Guarantors"), providing for the issuance from time to time of the Company's unsecured debentures, notes or other evidences of indebtedness ("Securities") to be issued in one or more series. The Company has issued two separate series of Securities designated as the Company's 7-3/8% Notes due 2006 (the "7-3/8% Notes") and 7-1/2% Notes due 2009 (the "7-1/2% Notes," and, together with the 7-3/8% Notes, the "Notes"), respectively, in the aggregate principal amount of $400,000,000 in the case of the 7-3/8% Notes, and $600,000,000 in the case of the 7-1/2% Notes, each series guaranteed by each of the Original Guarantors, on the terms set forth in the Indenture. The New Guarantors desire to guarantee each of the aforementioned series of Securities and each additional series hereafter issued pursuant to the Indenture, such guarantee to be on the terms set forth herein. Section 9.1 of the Indenture provides that the Company, the Guarantors and the Trustee may at any time and from time to time enter into one or more indentures supplemental to the Indenture to subject each such subsidiary of the Company that becomes a guarantor under the Credit Agreements (or any other credit agreement renewing, refunding, replacing, restating, refinancing or extending the Credit Agreements), to the provisions of the Indenture as a Guarantor as permitted by Section 10.6 of the Indenture. All things necessary to make this First Supplemental Indenture a valid agreement of the Company, the Guarantors and the Trustee, in accordance with its terms, have been done. 2 For and in consideration of the premises and the purchase of the Securities by the Holders thereof, it is mutually covenanted and agreed as follows for the equal and ratable benefit of the Holders of the Securities: ARTICLE 1 DEFINITIONS AND OTHER PROVISIONS OF GENERAL APPLICATION Section 1.1. Definitions. For all purposes of this First ----------- Supplemental Indenture, capitalized terms used herein without definition shall have the meanings specified in the Indenture. Section 1.2. Headings. The Article and Section headings herein are -------- for convenience only and shall not affect the construction hereof. Section 1.3. Successors and Assigns. This First Supplemental ---------------------- Indenture shall be binding upon the Company and the Guarantors and their respective successors and assigns and shall inure to the benefit of the Trustee and the Holders and, in the event of any transfer or assignment of rights by any Holder or the Trustee, the rights and privileges conferred upon that party in the Indenture and this First Supplemental Indenture and in the Securities shall automatically extend to and be vested in such transferee or assignee, all subject to the conditions of the Indenture. This First Supplemental Indenture shall be binding upon the Trustee and its successors and assigns. Section 1.4. Ratification of Indenture; Supplemental Indentures -------------------------------------------------- Part of Indenture. Except as expressly amended hereby, the Indenture is in all - - ----------------- respects ratified and confirmed and all the terms, conditions and provisions thereof shall remain in full force and effect. This First Supplemental Indenture shall form a part of the Indenture for all purposes, and every Holder of Securities heretofore or hereafter authenticated and delivered shall be bound hereby. Section 1.5. Governing Law. THIS FIRST SUPPLEMENTAL INDENTURE AND ------------- THE GUARANTEE SHALL BE GOVERNED BY AND CONSTRUED IN ACCORDANCE WITH THE LAWS OF THE STATE OF NEW YORK. Section 1.6. Counterparts. This First Supplemental Indenture may ------------ be executed in any number of counterparts and by telecopier, each of which shall be an original, but such counterparts shall together constitute but one and the same instrument. ARTICLE 2 SCOPE AND TERMS OF THIS FIRST SUPPLEMENTAL INDENTURE Section 2.1. Scope. The changes, modifications and supplements to ----- the Indenture effected by this First Supplemental Indenture shall be applicable with respect to, and govern the terms of, the Securities heretofore and hereafter issued pursuant to the Indenture. 3 Section 2.2. Additional Guarantors. Subject to the provisions of --------------------- Article 10 of the Indenture (including provisions for the release of a Guarantor), the New Guarantors shall be subject to the provisions of the Indenture as Guarantors of the Securities. 4 IN WITNESS WHEREOF, the parties hereto have caused this First Supplemental Indenture to be duly executed as of the day and year first above written. FEDERAL-MOGUL CORPORATION by:__________________________________ Name: Title: FEDERAL-MOGUL DUTCH HOLDINGS INC., as Guarantor by:__________________________________ Name: Title: FEDERAL-MOGUL GLOBAL INC., as Guarantor by:__________________________________ Name: Title: FEDERAL-MOGUL U.K. HOLDINGS INC., as Guarantor by:__________________________________ Name: Title: CARTER AUTOMOTIVE COMPANY, INC., as Guarantor by:__________________________________ Name: Title: 5 FEDERAL MOGUL VENTURE CORPORATION, as Guarantor by:__________________________________ Name: Title: FEDERAL-MOGUL WORLD WIDE, INC., as Guarantor by:__________________________________ Name: Title: FEDERAL-MOGUL GLOBAL PROPERTIES, INC., as Guarantor by:__________________________________ Name: Title: FELT PRODUCTS MFG. CO., as Guarantor by:__________________________________ Name: Title: F-M UK HOLDING LIMITED, as Guarantor by:__________________________________ Name: Title: by:__________________________________ Name: Title: 6 FEDERAL-MOGUL IGNITION COMPANY (formerly Champion Spark Plug Company), as Guarantor by:___________________________________ Name: Title: FEDERAL-MOGUL PRODUCTS, INC. (formerly Moog Automotive Products, Inc.), as Guarantor by:___________________________________ Name: Title: FEDERAL-MOGUL AVIATION, INC. (formerly Champion Aviation, Inc.), as Guarantor by:___________________________________ Name: Title: AE GOETZE FB INC., as Guarantor by:___________________________________ Name: Title: 7 BRAKE ACQUISITION INC., as Guarantor by:___________________________________ Name: Title: FEDERAL-MOGUL AFTERMARKET OF CANADA INC., as Guarantor by:___________________________________ Name: Title: FEDERAL-MOGUL CAMSHAFTS, INC., as Guarantor by:___________________________________ Name: Title: FEDERAL-MOGUL CAROLINA, INC., as Guarantor by:___________________________________ Name: Title: FEDERAL-MOGUL ENGINEERED BEARINGS, INC., as Guarantor by:___________________________________ Name: Title: 8 FEDERAL-MOGUL FLOWERY BRANCH, L.L.C., as Guarantor by:___________________________________ Name: Title: FEDERAL-MOGUL LAGRANGE, INC., as Guarantor by:___________________________________ Name: Title: FEDERAL-MOGUL PISTON RINGS, INC., as Guarantor by:___________________________________ Name: Title: FEDERAL-MOGUL POWERTRAIN, INC., as Guarantor by:___________________________________ Name: Title: FEDERAL-MOGUL RPB, INC., as Guarantor by:___________________________________ Name: Title: 9 FEDERAL-MOGUL SEALING SYSTEMS, INC., as Guarantor by:___________________________________ Name: Title: FEDERAL-MOGUL SINTERED PRODUCTS-WAUPUN, INC., as Guarantor by:___________________________________ Name: Title: FEDERAL-MOGUL SINTERED PRODUCTS, INC., as Guarantor by:___________________________________ Name: Title: FEDERAL-MOGUL SOUTH BEND, INC., as Guarantor by:___________________________________ Name: Title: FEDERAL-MOGUL SYSTEMS PROTECTION GROUP, INC., as Guarantor by:___________________________________ Name: Title: 10 FEDERAL-MOGUL TECHNOLOGY, INC., as Guarantor by:___________________________________ Name: Title: FERODO AMERICA, INC., as Guarantor by:___________________________________ Name: Title: FERODO TECHNICAL CENTER INC., as Guarantor by:___________________________________ Name: Title: MCCORD SEALING, INC., as Guarantor by:____________________________________ Name: Title: T&N INDUSTRIES INC., as Guarantor by:___________________________________ Name: Title: 11 WEYBURN ACQUISITION CORPORATION, as Guarantor by:___________________________________ Name: Title: 12 THE BANK OF NEW YORK, as Trustee by:___________________________________ Name: Title: 13