================================================================================ UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q/A QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Quarterly Period Ended February 28, 2001 Commission File Number 1-8368 SAFETY-KLEEN CORP. (Exact name of registrant as specified in its charter) Delaware 51-0228924 ------------------------------- -------------------- (State or other jurisdiction of (I.R.S. Employer incorporation or organization) Identification No.) 1301 Gervais Street Columbia, Suite 300, South Carolina 29201 -------------------------------------------------------- ---- (Address of principal executive offices) (Zip Code) (803) 933-4200 (Registrant's telephone number, including area code) -------------- ------------------------------------------------------------------------- (Former name, address and former fiscal year, if changed since last report) Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Sections 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes No X ------ ------ The number of shares of the issuer's common stock outstanding as of September 10, 2001 was 100,783,596. ================================================================================ SAFETY-KLEEN CORP. INDEX PART I FINANCIAL INFORMATION....................................................................3 Signatures.....................................................................3 Page 2 PART I - FINANCIAL INFORMATION On September 26, 2001, Safety-Kleen Corp. filed Form 10-Q/A for the Quarterly Period Ended May 31, 2001 to amend the Form 10-Q for the quarter ended February 28, 2001. The Form 10-Q/A for the quarter ended May 31, 2001 includes information responsive to Items 1, 2 and 3 of Part I of Form 10-Q and portions of other Items which elicit financial information, all of which had previously been omitted from the Form 10-Q for the quarter ended February 28, 2001. SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the Company has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized. DATE: September 26, 2001 SAFETY-KLEEN CORP. ------------------ (Registrant) /s/ Larry W. Singleton -------------------------------- Larry W. Singleton Chief Financial Officer and Authorized Officer