1 Filed Pursuant to Rule 424(b)(2) Registration Statement Nos. 33-4097 and 33-33011 SUPPLEMENT NO. 15 TO PROSPECTUS SUPPLEMENT DATED AUGUST 14, 1995 AND PROSPECTUS DATED FEBRUARY 9, 1990 COOPER INDUSTRIES, INC. SECOND SERIES MEDIUM-TERM NOTES ISSUE DATE October 17, 1995 INTEREST RATE MATURITY DATE PER ANNUM ------------- ------------- October 17, 2005 6.64% ISSUED AT 100% OF AGGREGATE PRINCIPAL AMOUNT. NOT REDEEMABLE PRIOR TO MATURITY. ISSUE INITIALLY IN BOOK ENTRY FORM. The aggregate principal amount of this offering is $10,000,000.00 and relates only to Supplement No. 15. To date, including this offering, an aggregate of $390,150,000.00 Second Series Medium-Term Notes has been issued.