SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 March 21, 2003 ---------------------------------------- (Date of earliest event reported) SAFETY-KLEEN CORP. ------------------------------------------------------------ (Exact name of Registrant as specified in its charter) Delaware 001-8368 51-0228924 (State of (Commission File No.) (IRS Employer Incorporation) Identification No. 1301 Gervais Street, Suite 300, Columbia, South Carolina 29201 (Address of principal executive offices, including zip code) (803) 933-4200 ---------------------------------------------------- (Registrant's telephone number, including area code) Not Applicable ------------------------------------------- (Former name or former address, if changed since last report) ITEM 5. OTHER EVENTS The Company executed the FOURTH AMENDMENT dated as of March 21, 2003 to the Second Amended and Restated Debtor in Possession Credit Agreement among SAFETY-KLEEN SERVICES, INC., the financial institutions or entities from time to time parties thereto, THE TORONTO-DOMINION BANK, HOUSTON AGENCY and TORONTO DOMINION (TEXAS), INC., as letter of credit issuing banks, TORONTO DOMINION (TEXAS), INC., as administrative agent and THE CIT GROUP/BUSINESS CREDIT, INC., as collateral agent and underwriter initially dated as of June 11, 2000, amended and restated as of July 19, 2000 and as further amended and restated as of March 22, 2002 and amended by the First Amendment dated as of September 3, 2002, the Second Amendment dated as of September 6, 2002 and the Third Amendment dated as of October 24, 2002 (the "Credit Agreement"). The Amendment, among other things, has the effect of extending the termination date of the Credit Agreement to the earliest to occur of (a) July 31, 2003, (b) the effective date of a Plan of Reorganization, and (c) the earlier termination of the Revolving Credit Commitments in accordance with the terms of the Credit Agreement. ITEM 7. FINANCIAL STATEMENTS AND EXHIBITS (c) Exhibits. Exhibit No. Description (4)(a) FOURTH AMENDMENT dated as of March 21, 2003 to the Second Amended and Restated Debtor in Possession Credit Agreement among SAFETY-KLEEN SERVICES, INC., the financial institutions or entities from time to time parties thereto, THE TORONTO-DOMINION BANK, HOUSTON AGENCY and TORONTO DOMINION (TEXAS), INC., as letter of credit issuing banks, TORONTO DOMINION (TEXAS), INC., as administrative agent and THE CIT GROUP/BUSINESS CREDIT, INC., as collateral agent and underwriter initially dated as of June 11, 2000, amended and restated as of July 19, 2000 and as further amended and restated as of March 22, 2002 and amended by the First Amendment dated as of September 3, 2002, the Second Amendment dated as of September 6, 2002 and the Third Amendment dated as of October 24, 2002. SIGNATURE Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. SAFETY-KLEEN CORP. Date: March 25, 2003 By: /s/ JAMES K. LEHMAN ---------------------------------------- James K. Lehman Senior Vice President, General Counsel and Secretary EXHIBIT INDEX (4)(a) FOURTH AMENDMENT dated as of March 21, 2003 to the Second Amended and Restated Debtor in Possession Credit Agreement among SAFETY-KLEEN SERVICES, INC., the financial institutions or entities from time to time parties thereto, THE TORONTO-DOMINION BANK, HOUSTON AGENCY and TORONTO DOMINION (TEXAS), INC., as letter of credit issuing banks, TORONTO DOMINION (TEXAS), INC., as administrative agent and THE CIT GROUP/BUSINESS CREDIT, INC., as collateral agent and underwriter initially dated as of June 11, 2000, amended and restated as of July 19, 2000 and as further amended and restated as of March 22, 2002 and amended by the First Amendment dated as of September 3, 2002, the Second Amendment dated as of September 6, 2002 and the Third Amendment dated as of October 24, 2002.