EXHIBIT 10(j) KEYBANK NATIONAL ASSOCIATION CONFIRMATION Date: June 9, 1998 To: Core Materials Corporation Kevin Barnett From: KeyBank National Association The purpose of this letter agreement is to set forth the terms and conditions of the Swap Transaction entered into between KeyBank National Association ("Key") and Core Materials Corporation ("Counterparty") on the Trade Date specified below (the "Swap Transaction"). This letter agreement constitutes a "Confirmation" as referred to in the Swap Agreement Specified below. 1. The definitions and provisions contained in the 1991 ISDA Definitions (as published by the International Swap Dealers Association, Inc.) (the "Definitions") are incorporated into this Confirmation. If you and we are parties to a Master Agreement that sets forth the general terms and conditions applicable to Swap Transactions between us (a "Swap Agreement"), this confirmation supplements, forms a part of, and is subject to, such Swap Agreement. If you and we are not yet parties to a Swap Agreement, this Confirmation will supplement, form a part of, and be subject to, a Swap Agreement upon its execution and delivery by you and us. All provisions contained or incorporated by reference in such Swap Agreement shall govern this Confirmation except as expressly modified below. In the event of any inconsistency between this Confirmation and the Definitions or the Swap Agreement, this Confirmation will govern. In addition, if a Swap Agreement has not been executed, this Confirmation will itself evidence a complete binding agreement between you and us as to the terms and conditions of the Swap Transaction to which this Confirmation relates. This Confirmation will be governed by and construed in accordance with the laws of the State of New York, without reference to choice of law doctrine, provided that this provision will be superseded by any choice of law provision in the Swap Agreement. Core Materials Corporation Confirmation - Page 2 2. This Confirmation constitutes a Rate Swap Transaction under the Swap Agreement and the terms of the Rate Swap Transaction to which this Confirmation relates are as follows: Notional Amount: $7,500,000 amortizing per attached Schedule A Trade Date: June 9, 1998 Effective Date: June 11, 1998 Termination Date: April 1, 2013 Fixed Amounts: Fixed Rate Payer: Counterparty Fixed Rate Payer Payment Dates: January 1, April 1, July 1 and October 1 of each year commencing with July 1, 1998 through and including the Termination Date, subject to adjustment in accordance with the Following Business Day Convention. Fixed Rate: 4.89% Fixed Rate Day Count Fraction: Actual/365 Floating Amounts: Floating Rate Payer: Key Floating Rate Payer Payment Dates: January 1, April 1, July 1 and October 1 of each year commencing with July 1, 1998 through and including the Termination Date, subject to adjustment in accordance with the Following Business Day Convention. Core Materials Corporation Confirmation - Page 3 Floating Rate for initial Calculation Period: TBD Floating Rate Option: 76% of USD-CP-H.15 Designated Maturity: 30 day Spread: None Floating Rate Day Count Fraction: Actual/365 Reset Dates: Daily, Unweighted Average Calculation Agent: KeyBank National Association Payment Instructions: Core Materials Corporation at KeyBank Please confirm the foregoing correctly sets forth the terms of our Agreement by executing the copy of this Confirmation enclosed for that purpose and returning it to us. Very truly yours, KEYBANK NATIONAL ASSOCIATION By: /s/ Michelle Loschiavo ------------------------ Accepted and Confirmed as of the Trade Date: CORE MATERIALS CORPORATION By: /s/ Kevin L. Barnett ---------------------- Core Materials Corporation Confirmation - Page 3 SCHEDULE A $7,500,000 amortizing as follows: Period Period Start Date End Date Notional Amortization - ---------- -------- -------- ------------ 11-Jun-98 1-Jul-98 $ 7,500,000 $ 65,000 1-Jul-98 1-Oct-98 $ 7,435,000 $ 65,000 1-Oct-98 1-Jan-99 $ 7,370,000 $ 70,000 1-Jan-99 1-Apr-99 $ 7,300,000 $ 70,000 1-Apr-99 1-Jul-99 $ 7,230,000 $ 70,000 1-Jul-99 1-Oct-99 $ 7,160,000 $ 75,000 1-Oct-99 1-Jan-00 $ 7,085,000 $ 75,000 1-Jan-00 1-Apr-00 $ 7,010,000 $ 75,000 1-Apr-00 1-Jul-00 $ 6,935,000 $ 75,000 1-Jul-00 1-Oct-00 $ 6,860,000 $ 80,000 1-Oct-00 1-Jan-01 $ 6,780,000 $ 80,000 1-Jan-01 1-Apr-01 $ 6,700,000 $ 80,000 1-Apr-01 1-Jul-01 $ 6,620,000 $ 85,000 1-Jul-01 1-Oct-01 $ 6,535,000 $ 85,000 1-Oct-01 1-Jan-02 $ 6,450,000 $ 85,000 1-Jan-02 1-Apr-02 $ 6,365,000 $ 90,000 1-Apr-02 1-Jul-02 $ 6,275,000 $ 90,000 1-Jul-02 1-Oct-02 $ 6,185,000 $ 90,000 1-Oct-02 1-Jan-03 $ 6,095,000 $ 95,000 1-Jan-03 1-Apr-03 $ 6,000,000 $ 95,000 1-Apr-03 1-Jul-03 $ 5,905,000 $ 100,000 1-Jul-03 1-Oct-03 $ 5,805,000 $ 100,000 1-Oct-03 1-Jan-04 $ 5,705,000 $ 100,000 1-Jan-04 1-Apr-04 $ 5,605,000 $ 105,000 1-Apr-04 1-Jul-04 $ 5,500,000 $ 105,000 1-Jul-04 1-Oct-04 $ 5,395,000 $ 110,000 1-Oct-04 1-Jan-05 $ 5,285,000 $ 110,000 1-Jan-05 1-Apr-05 $ 5,175,000 $ 110,000 1-Apr-05 1-Jul-05 $ 5,065,000 $ 115,000 1-Jul-05 1-Oct-05 $ 4,950,000 $ 115,000 1-Oct-05 1-Jan-06 $ 4,835,000 $ 120,000 1-Jan-06 1-Apr-06 $ 4,715,000 $ 120,000 1-Apr-06 1-Jul-06 $ 4,595,000 $ 125,000 1-Jul-06 1-Oct-06 $ 4,470,000 $ 125,000 1-Oct-06 1-Jan-07 $ 4,345,000 $ 130,000 1-Jan-07 1-Apr-07 $ 4,215,000 $ 130,000 1-Apr-07 1-Jul-07 $ 4,085,000 $ 135,000 Period Period Start Date End Date Notional Amortization - ---------- -------- ------------ ------------ 1-Jul-07 1-Oct-07 $ 3,950,000 $ 135,000 1-Oct-07 1-Jan-08 $ 3,815,000 $ 140,000 1-Jan-08 1-Apr-08 $ 3,675,000 $ 145,000 1-Apr-08 1-Jul-08 $ 3,530,000 $ 145,000 1-Jul-08 1-Oct-08 $ 3,385,000 $ 150,000 1-Oct-08 1-Jan-09 $ 3,235,000 $ 150,000 1-Jan-09 1-Apr-09 $ 3,085,000 $ 155,000 1-Apr-09 1-Jul-09 $ 2,930,000 $ 155,000 1-Jul-09 1-Oct-09 $ 2,775,000 $ 160,000 1-Oct-09 1-Jan-10 $ 2,615,000 $ 165,000 1-Jan-10 1-Apr-10 $ 2,450,000 $ 165,000 1-Apr-10 1-Jul-10 $ 2,285,000 $ 170,000 1-Jul-10 1-Oct-10 $ 2,115,000 $ 175,000 1-Oct-10 1-Jan-11 $ 1,940,000 $ 175,000 1-Jan-11 1-Apr-11 $ 1,765,000 $ 180,000 1-Apr-11 1-Jul-11 $ 1,585,000 $ 185,000 1-Jul-11 1-Oct-11 $ 1,400,000 $ 190,000 1-Oct-11 1-Jan-12 $ 1,210,000 $ 190,000 1-Jan-12 1-Apr-12 $ 1,020,000 $ 195,000 1-Apr-12 1-Jul-12 $ 825,000 $ 200,000 1-Jul-12 1-Oct-12 $ 625,000 $ 205,000 1-Oct-12 1-Jan-13 $ 420,000 $ 210,000 1-Jan-13 1-Apr-13 $ 210,000 $ 210,000