Exhibit 11.01 EQUITABLE RESOURCES, INC. AND SUBSIDIARIES COMPUTATION OF EARNINGS PER COMMON SHARE FOR THE YEARS ENDED DECEMBER 31, 1993, 1992 AND 1991 1993 1992 1991 Earnings: Net income . . . . . . . . . . . . . $73,455 $60,026 $64,168 Interest net of applicable income taxes on 9 1/2% convertible subordinated debentures . . . . . 89 208 229 Adjusted earnings . . . . . . . . $73,544 $60,234 $64,397 Shares: Average common shares outstanding . 32,359 31,342 31,253 Dilutive effect of conversion of 9 1/2% convertible subordinated debentures 257 305 339 Dilutive effect of stock options outstanding . . . . . . . . 1 61 70 Total . . . . . . . . . . . . . 32,677 31,708 31,662 Primary Earnings Per Share . . . . . . $2.27 $1.92 $2.05 Fully Diluted Earnings Per Share . . . $2.25 $1.90 $2.03