Exhibit 99(b) PETROCORP INCORPORATED ---------------------- CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS ----------------------------------------------- (in thousands, except share amounts) (Unaudited) For the three months For the six months ended June 30, ended June 30, -------------- ------------- 2003 2002 2003 2002 ------- ------- ------- -------- Revenues: Oil and gas $ 9,148 $ 7,115 $ 18,951 $ 13,243 Other 178 57 216 105 ------- ------- ------- -------- 9,326 7,172 19,167 13,348 ------- ------- ------- -------- Expenses: Production costs 2,467 2,507 4,995 5,091 Depreciation, depletion and amortization 1,768 2,130 3,293 4,450 General and administrative 561 375 1,280 738 Other operating expenses 21 32 55 64 ------- ------- ------- -------- 4,817 5,044 9,623 10,343 ------- ------- ------- -------- Income from operations 4,509 2,128 9,544 3,005 ------- ------- ------- -------- Other income (expenses): Investment income 211 95 230 106 Interest expense (81) (426) (416) (850) Other income (expenses) 2,918 222 3,134 255 ------- ------- ------- -------- 3,048 (109) 2,948 (489) ------- ------- ------- -------- Income from continuing operations before income taxes and accounting change 7,557 2,019 12,492 2,516 ------- ------- ------- -------- Income tax provision: Current (99) (10) 1,651 (27) Deferred 2,880 573 2,910 764 ------- ------- ------- -------- 2,781 563 4,561 737 ------- ------- ------- -------- Income from continuing operations before accounting change 4,776 1,456 7,931 1,779 Discontinued operations: Income from discontinued Canadian operations (net of applicable taxes of nil, $816, $1,530 and $1,248) - 924 2,113 1,647 Gain on sale of Canadian subsidiaries (net of taxes of $80 and $19,771) 138 - 33,664 - ------- ------- ------- -------- Income before cumulative effect of a change in accounting principle 4,914 2,380 43,708 3,426 Cumulative effect on prior years of accounting change, less applicable income taxes of $1,743 - - (2,969) - ------- ------- ------- -------- Net income $ 4,914 $ 2,380 $ 40,739 $ 3,426 ======= ======= ======= ======== Net income per common share - basic Income from continuing operations $ 0.38 $ 0.12 $ 0.62 $ 0.14 Income from discontinued operations 0.01 0.07 2.83 0.13 Cumulative effect of change in accounting principle - - (0.23) - ------- ------- ------- -------- Net income $ 0.39 $ 0.19 $ 3.22 $ 0.27 ======= ======= ======= ======== Net income per common share - diluted Income from continuing operations $ 0.37 $ 0.12 $ 0.62 $ 0.14 Income from discontinued operations 0.01 0.07 2.80 0.13 Cumulative effect of change in accounting principle - - (0.23) - ------- ------- ------- -------- Net income $ 0.38 $ 0.19 $ 3.19 $ 0.27 ======= ======= ======= ======== Weighted average number of common shares - basic 12,650 12,561 12,649 12,559 ======= ======= ======= ======== Weighted average number of common shares - diluted 12,779 12,685 12,765 12,680 ======= ======= ======= ========