1 EXHIBIT 4.11 AMENDMENT NO. 9 THIS AMENDMENT NO. 9, dated as of December 15, 1999 (the "AMENDMENT") relating to the Credit Agreement referenced below, by and among NATIONAL MEDICAL CARE, INC., a Delaware corporation, certain subsidiaries and affiliates party to the Credit Agreement and identified on the signature pages hereto, and BANK OF AMERICA, N.A., (formerly known as NationsBank, N.A), as Paying Agent for and on behalf of the Lenders. Terms used but not otherwise defined shall have the meanings provided in the Credit Agreement. W I T N E S S E T H WHEREAS, a $2.5 billion credit facility has been extended to National Medical Care, Inc. and certain subsidiaries and affiliates pursuant to the terms of that Credit Agreement dated as of September 27, 1996 (as amended and modified, the "CREDIT AGREEMENT") among National Medical Care, Inc., the other Borrowers, Guarantors and Lenders identified therein, and NationsBank, N.A. (now known as Bank of America, N.A.), as Paying Agent; WHEREAS, the Company has requested modification of certain covenants and certain other changes to the Credit Agreement more fully set forth herein; WHEREAS, the requested consents and modifications described herein require the consent of the Required Lenders; and WHEREAS, the Required Lenders have consented to the requested modifications on the terms and conditions set forth herein and have authorized the Paying Agent to enter into this Amendment on their behalf to give effect to this Amendment; NOW, THEREFORE, IN CONSIDERATION of these premises and other good and valuable consideration, the receipt and sufficiency of which is hereby acknowledged, the parties hereto agree as follows: 1. The Credit Agreement is amended and modified in the following respects: 1.1 In Section 1.1, (a) the definition of "Consolidated Fixed Charges" is hereby amended by inserting the words "(other than any amounts paid during such period as a result of the audit of the German tax liability of Holdings in respect of deductions taken in respect of the writing down of Holdings' investment in certain subsidiaries for German tax purposes only as of December 31, 1997)" after the words "PLUS Federal, state, local and other domestic and foreign income taxes paid during such period" in the sixth line thereof, and by deleting the words "PLUS the amount of Government Reimbursement Program Costs paid during such period" from the tenth and eleventh lines thereof. 2 (b) the definition of "Exclusion Event" is hereby amended by inserting the words "(other than any member of the Consolidated Group that either ceased operations or discontinued a material portion of its business or operations before September 30, 1999)" after the words "one or more members of the Consolidated Group" in clause (i) thereof. (c) the definition of "Permitted Liens" is hereby amended by deleting the "and" at the end of clause (xiv), replacing the "." at the end of clause (xv) with "; and", and adding the following at the end thereof as a new clause (xvi) thereto: "(xvi) Liens created or deemed to exist by the establishment of trusts for the purpose of satisfying (x) Governmental Reimbursement Program Costs, (y) other actions or claims pertaining to the same or related matters and (z) other claims or actions against the Company; PROVIDED that the Company, in each case, shall have established adequate reserves for such claims or actions; PROVIDED, further that the contributions to the trust in respect of such the actions or claims described in clause (z) shall not exceed $60 million at any time." 1.2 In Section 7.9, the financial covenants for the Consolidated Leverage Ratio and the Consolidated Fixed Charge Coverage Ratio in subsections (b) and (c), respectively, are hereby amended to read as follows: (b) CONSOLIDATED LEVERAGE RATIO. There shall be maintained as of the end of each fiscal quarter to occur during the periods shown, a Consolidated Leverage Ratio of not greater than: December 31, 1998 through December 30, 2000 3.75:1.00 December 31, 2000 through December 30, 2001 3.25:1.00 December 31, 2001 and thereafter 3.00:1.00 (c) CONSOLIDATED FIXED CHARGE COVERAGE RATIO. There shall be maintained, as of the end of each fiscal quarter to occur during the periods shown, a Consolidated Fixed Charge Coverage Ratio of at least: December 31, 1998 through December 30, 1999 1.2:1.0 December 31, 1999 and thereafter 1.1:1.0 2. It is hereby understood and agreed that notwithstanding their characterization, the trusts described in clause (xvi) of the definition of Permitted Liens shall be permitted under the Credit Agreement. In furtherance of the foregoing and not in limitation thereof, it is hereby understood and agreed that they shall not in any circumstances be considered Material Subsidiaries under the Credit Agreement and the transfer of assets thereto shall be permitted pursuant to Section 8.4 and, if characterized as an Investment, shall be deemed to be a Permitted Investment. 2 3 3. The Lenders hereby waive compliance with the provisions of the Credit Agreement as in effect before the execution and delivery of this Amendment No. 9 to the extent, and only to the extent, that any transaction or action of any member of the Consolidated Group would have been permitted by the provisions of the Credit Agreement as amended hereby. 4. The effectiveness of this Amendment is subject to receipt by the Paying Agent of the following: (i) copies of this Amendment executed by the Company and the other members of the Consolidated Group identified on the signature pages hereto, (ii) the consent of the Required Lenders, and (iii) an Amendment Fee equal to twenty basis points (0.20%) of the aggregate amount of the Commitments held by the Lenders consenting to this Amendment for the ratable benefit of such consenting Lenders. 5. Except as modified hereby, all of the terms and provisions of the Credit Agreement (and Exhibits and Schedules) remain in full force and effect. 6. The Credit Parties hereby affirm (i) the representations and warranties set out in Section 6 of the Credit Agreement are true and correct as of the date hereof (except those which expressly relate to an earlier period) and (ii) no Default or Event of Default presently exists. 7. The Company agrees to pay all reasonable costs and expenses of the Paying Agent in connection with the preparation, execution and delivery of this Amendment, including without limitation the reasonable fees and expenses of Moore & Van Allen, PLLC. 8. This Amendment may be executed in any number of counterparts, each of which when so executed and delivered shall be deemed an original and its shall not be necessary in making proof of this Amendment to produce or account for more than one such counterpart. 9. This Amendment, and the Credit Agreement as amended hereby, shall be governed by and construed and interpreted in accordance with the laws of the State of New York. [Remainder of Page Intentionally Left Blank] 3 4 IN WITNESS WHEREOF, each of the parties hereto has caused a counterpart of this Amendment to be duly executed and delivered as of the date first above written. BORROWERS: NATIONAL MEDICAL CARE, INC., a Delaware corporation By: /s/ Ramon Yi ------------------------------------------------- Name: Ramon Yi Title: Treasurer FRESENIUS MEDICAL CARE AG By: /s/ Dr. Emanuele Gotti ------------------------------------------------- Name: Dr. Emanuele Gotti Title: Member of the Board of Management By: /s/ Dr. Werner Brandt ------------------------------------------------- Name: Dr. Werner Brandt Title: Member of the Board of Management NMC DO BRASIL LTDA., a Brazil corporation By: /s/ Joao Pedrinelli ------------------------------------------------- Name: Joao Pedrinelli Title: Member of the Board of Management NATIONAL MEDICAL CARE OF SPAIN, S.A., a Spanish corporation By: /s/ Dr. Emanuele Gotti /s/ Dr. Andrea Stopper ------------------------------------------------- Name: Dr. Emanuele Gotti Dr. Andrea Stopper Title: Board Member Board Member NATIONAL MEDICAL CARE OF TAIWAN, INC., a Delaware corporation By: /s/ Roberto Fuste /s/ Betty Na ------------------------------------------------- Name: Roberto Fuste Betty Na Title: Members of the Board of Directors 5 NMC CENTRO MEDICO NACIONAL, LDA., a Portuguese corporation By: /s/ Ricardo Da Silva /s/ John Allen ------------------------------------------------- Name: Ricardo Da Silva John Allen Title: Board Members FRESENIUS MEDICAL CARE ARGENTINA, S.A., as successor by merger to NMC DE ARGENTINA, S.A., an Argentine corporation By: /s/ Dr. Guido Yagupsky /s/ Horst Radthe ------------------------------------------------- Name: Dr. Guido Yagupsky Horst Radthe Title: Board Members FRESENIUS USA, INC., a Massachusetts corporation By: /s/ Ramon Yi ------------------------------------------------- Name: Ramon Yi Title: Treasurer FRESENIUS MEDICAL CARE DEUTSCHLAND GmbH, a German corporation By: /s/ Dr. Emanuele Gotti ------------------------------------------------- Name: Dr. Emanuele Gotti Title: Board Member By: /s/ Dr. Werner Brandt ------------------------------------------------- Name: Dr. Werner Brandt Title: Board Member FRESENIUS MEDICAL CARE GROUPE FRANCE (formerly known as Fresenius Groupe France S.A.), a French corporation By: /s/ Udo Werle /s/ Dr. Emanuele Gotti ------------------------------------------------- Name: Udo Werle Dr. Emanuele Gotti Title: Board Members 6 FRESENIUS MEDICAL CARE HOLDING, S.p.A., an Italian corporation By: /s/ Dr. Emanuele Gotti /s/ Andrea Stopper ------------------------------------------------- Name: Dr. Emanuele Gotti Andrea Stopper Title: Board Members FRESENIUS MEDICAL CARE ESPANA S.A., a Spanish corporation By: /s/ Ricardo Davel /s/ Manuel Gluete ------------------------------------------------- Name: Ricardo Davel Manuel Gluete Title: Board Members FRESENIUS MEDICAL CARE MAGYAROSZA KfG, a Hungarian corporation By: /s/ Norman Erhard ------------------------------------------------- Name: Norman Erhard Title: Board Member BIO-MEDICAL APPLICATIONS OF ALABAMA, INC. By: /s/ James V. Luther ------------------------------------------------- Name: James V. Luther Title: Assistant Treasurer BIO-MEDICAL APPLICATIONS OF FLORIDA, INC. By: /s/ James V. Luther ------------------------------------------------- Name: James V. Luther Title: Assistant Treasurer BIO-MEDICAL APPLICATIONS OF GEORGIA, INC. By: /s/ James V. Luther ------------------------------------------------- Name: James V. Luther Title: Assistant Treasurer BIO-MEDICAL APPLICATIONS OF INDIANA, INC. By: /s/ James V. Luther ------------------------------------------------- Name: James V. Luther Title: Assistant Treasurer 7 BIO-MEDICAL APPLICATIONS OF KENTUCKY, INC. By: /s/ James V. Luther ------------------------------------------------- Name: James V. Luther Title: Assistant Treasurer BIO-MEDICAL APPLICATIONS OF LOUISIANA, INC. By: /s/ James V. Luther ------------------------------------------------- Name: James V. Luther Title: Assistant Treasurer BIO-MEDICAL APPLICATIONS OF MARYLAND, INC. By: /s/ James V. Luther ------------------------------------------------- Name: James V. Luther Title: Assistant Treasurer BIO-MEDICAL APPLICATIONS OF MASSACHUSETTS, INC. By: /s/ James V. Luther ------------------------------------------------- Name: James V. Luther Title: Assistant Treasurer BIO-MEDICAL APPLICATIONS OF NORTH CAROLINA, INC. By: /s/ James V. Luther ------------------------------------------------- Name: James V. Luther Title: Assistant Treasurer BIO-MEDICAL APPLICATIONS OF OHIO, INC. By: /s/ James V. Luther ------------------------------------------------- Name: James V. Luther Title: Assistant Treasurer 8 BIO-MEDICAL APPLICATIONS OF PENNSYLVANIA, INC. By: /s/ James V. Luther ------------------------------------------------- Name: James V. Luther Title: Assistant Treasurer BIO-MEDICAL APPLICATIONS OF SOUTH CAROLINA, INC. By: /s/ James V. Luther ------------------------------------------------- Name: James V. Luther Title: Assistant Treasurer BIO-MEDICAL APPLICATIONS OF TEXAS, INC. By: /s/ James V. Luther ------------------------------------------------- Name: James V. Luther Title: Assistant Treasurer BIO-MEDICAL APPLICATIONS OF VIRGINIA, INC. By: /s/ James V. Luther ------------------------------------------------- Name: James V. Luther Title: Assistant Treasurer LIFECHEM, INC., a Delaware corporation By: /s/ Ramon Yi ------------------------------------------------- Name: Ramon Yi Title: Treasurer GUARANTORS: FRESENIUS MEDICAL CARE HOLDINGS, INC., a New York corporation formerly known as WRG-NY By: /s/ Ramon Yi ------------------------------------------------- Name: Ramon Yi Title: Treasurer NATIONAL MEDICAL CARE, INC., a Delaware corporation By: /s/ Ramon Yi ------------------------------------------------- Name: Ramon Yi Title: Treasurer 9 BIO-MEDICAL APPLICATIONS MANAGEMENT CO., INC., a Delaware corporation By: /s/ Ramon Yi ------------------------------------------------- Name: Ramon Yi Title: Treasurer FRESENIUS MEDICAL CARE AG, a German corporation By: /s/ Dr. Emanuele Gotti ------------------------------------------------- Name: Dr. Emanuele Gotti Title: Board Member By: /s/ Dr. Werner Brandt ------------------------------------------------- Name: Dr. Werner Brandt Title: Board Member FRESENIUS USA, INC., a Massachusetts corporation By: /s/ Ramon Yi ------------------------------------------------- Name: Ramon Yi Title: Treasurer FRESENIUS MEDICAL CARE DEUTSCHLAND GmbH, a German corporation By: /s/ Dr. Emanuele Gotti ------------------------------------------------- Name: Dr. Emanuele Gotti Title: Board Member By: /s/ Dr. Werner Brandt ------------------------------------------------- Name: Dr. Werner Brandt Title: Board Member FRESENIUS MEDICAL CARE GROUPE FRANCE, a French corporation (formerly known as Fresenius Groupe France S.A.) By: /s/ Dr. Udo Werle /s/ Dr. Emanuele Gotti ------------------------------------------------- Name: Dr. Udo Werle Emanuele Gotti Title: Board Members 10 FRESENIUS SECURITIES, INC., a California corporation By: /s/ Ramon Yi ------------------------------------------------- Name: Ramon Yi Title: Treasurer NEOMEDICA, INC., a Delaware corporation By: /s/ Gary Scher ------------------------------------------------- Name: Gary Scher Title: Vice President FMC FINANCE S.A., a Luxembourg corporation By: /s/ John Allen ------------------------------------------------- Name: John Allen Title: Board Member FMC TRUST FINANCE S.a.r.l. LUXEMBOURG, a Luxembourg corporation By: /s/ Andrea Stopper ------------------------------------------------- Name: Andrea Stopper Title: Board Member PAYING AGENT: BANK OF AMERICA, N.A. (formerly known as NationsBank, N.A.), as Paying Agent for and on behalf of the Lenders By: /s/ Ashley M. Crabtree ------------------------------------------------- Ashley M. Crabtree Senior Vice President 11 CONSENT TO AMENDMENT NO. 9 Bank of America, N.A. (formerly known as NationsBank, N.A.), as Paying Agent 101 N. Tryon Street, 15th Floor NC1-001-15-04 Charlotte, North Carolina 28255 Attn: James D. Young, Agency Services Re: Credit Agreement dated as of September 27, 1996 (as amended and modified, the "CREDIT AGREEMENT") among National Medical Care, Inc., the other Borrowers, Guarantors and Lenders identified therein and NationsBank, N.A. (now known as Bank of America, N.A.), as Paying Agent. Terms used but not otherwise defined shall have the meanings provided in the Credit Agreement. Amendment No. 9 dated December __, 1999 (the "SUBJECT AMENDMENT") relating to the Credit Agreement Ladies and Gentlemen: This should serve to confirm our receipt of, and consent to, the Subject Amendment. We hereby authorize and direct you, as Paying Agent for the Lenders, to enter into the Subject Amendment on our behalf in accordance with the terms of the Credit Agreement upon your receipt of such consent and direction from the Required Lenders, and agree that Company and the other Credit Parties may rely on such authorization. Sincerely, ----------------------------- [Name of Lender] By:__________________________ Name: Title: