Exhibit 12 Union Carbide Corporation and Subsidiaries Ratio of Earnings to Fixed Charges (Millions of dollars, except ratios) June 30, 1995 1994 1993 1992 1991 1990 Income (loss) of consolidated companies before provision for income taxes - continuing operations $608 $471 $227 $178 $(147) $365 Add (deduct): Capitalized interest (9) (12) (10) (15) (14) (11) Preferred stock cash dividends of consolidated subsidiaries 0 0 0 0 0 (11) Dividends from less than 50 percent-owned companies carried at equity 0 0 0 0 0 4 UCC share of income (loss) before provision for income taxes of 50 percent-owned companies carried at equity 35 79 32 (8) (17) 66 Amortization of capitalized interest 6 10 10 9 9 9 640 548 259 164 (169) 422 Fixed Charges Interest on long-term and short-term debt 41 80 70 146 228 269 Capitalized interest 9 12 10 15 14 11 Rental expenses representative of an interest factor 11 22 33 30 28 32 Preferred stock cash dividends of consolidated subsidiaries 0 0 0 0 0 11 UCC share of fixed charges of 50 percent-owned companies carried at equity 19 28 26 30 28 48 Total fixed charges 80 142 139 221 298 371 Total adjusted income available for payment of fixed charges $720 $690 $398 $385 $129 $793 Ratio of income to fixed charges 9.0 4.9 2.9 1.7 (a) 2.1 (a) In 1991, operating results included a special charge of $209 million ($160 million after tax). As a result, earnings were insufficient to cover historical fixed charges by $169 million. Excluding the effect of the special charge, earnings would have been sufficient to cover historical fixed charges by $40 million.