PAGE 19 EXHIBIT 11 Page 1 NORFOLK SOUTHERN CORPORATION AND SUBSIDIARIES COMPUTATION OF EARNINGS PER SHARE (In millions except per share amounts) Three Months Ended Six Months Ended June 30 June 30 1994 1993 1994 1993 -------- -------- ------- ------- Computation for Statements of Income - ------------------------------------ Income before cumulative effects of changes in accounting principles $ 178.5 $ 155.2 $ 323.4 $ 294.1 ------- ------- ------- ------- Cumulative effects of changes in accounting principles $ -- $ -- $ -- $ 223.3 ------- ------- ------- ------- Weighted average number of shares outstanding 137.2 139.7 137.7 139.9 ------- ------- ------- ------- Primary earnings per share: Income before accounting changes $ 1.30 $ 1.11 $ 2.35 $ 2.10 Cumulative effects of accounting changes -- -- -- 1.60 ------- ------- ------- ------- Net income $ 1.30 $ 1.11 $ 2.35 $ 3.70 ======= ======= ======= ======= Additional Primary Computation - ------------------------------ Income before cumulative effects of changes in accounting principles $ 178.5 $ 155.2 $ 323.4 $ 294.1 ------- ------- ------- ------- Cumulative effects of changes in accounting principles $ -- $ -- $ -- $ 223.3 ------- ------- ------- ------- Adjustment to weighted average number of shares outstanding: Weighted average number of shares outstanding per primary computation above 137.2 139.7 137.7 139.9 Dilutive effect of outstanding options, stock appreciation rights (SARs) and performance share units (PSUs) (as determined by the application of the treasury stock method) (F1) 1.1 1.1 1.2 1.2 ------- ------- ------- ------- Weighted average number of shares outstanding, as adjusted 138.3 140.8 138.9 141.1 ======= ======= ======= ======= <FN> (F1) See Note 13 of Notes to Consolidated Financial Statements in Norfolk Southern's 1993 Annual Report on Form 10-K for a description of the Long-Term Incentive Plan. PAGE 20 EXHIBIT 11 Page 2 NORFOLK SOUTHERN CORPORATION AND SUBSIDIARIES COMPUTATION OF EARNINGS PER SHARE (In millions except per share amounts) Three Months Ended Six Months Ended June 30 June 30 1994 1993 1994 1993 -------- -------- ------- ------- Primary earnings per share, as adjusted (F2): Income before accounting changes $ 1.29 $ 1.10 $ 2.33 $ 2.09 Cumulative effects of accounting changes -- -- -- 1.58 ------- ------- ------- ------- Net income $ 1.29 $ 1.10 $ 2.33 $ 3.67 ======= ======= ======= ======= <FN> (F2) These calculations are submitted in accordance with Regulation S-K item 601(b)(11) although not required by footnote 2 to paragraph 14 of APB Opinion No. 15 because they result in dilution of less than 3 percent. PAGE 21 EXHIBIT 11 Page 3 NORFOLK SOUTHERN CORPORATION AND SUBSIDIARIES COMPUTATION OF EARNINGS PER SHARE (In millions except per share amounts) Three Months Ended Six Months Ended June 30 June 30 1994 1993 1994 1993 -------- -------- ------- ------- Fully Diluted Computation - ------------------------- Income before cumulative effects of changes in accounting principles, per primary computation $ 178.5 $ 155.2 $ 323.4 $ 294.1 Adjustment to increase earnings to requisite level to earn maximum PSUs, net of tax effect 27.0 43.8 48.8 83.0 ------- ------- ------- ------- Income before cumulative effects, as adjusted 205.5 199.0 372.2 377.1 Cumulative effects of changes in accounting principles -- -- -- 223.3 ------- ------- ------- ------- Net income, as adjusted $ 205.5 $ 199.0 $ 372.2 $ 600.4 ======= ======= ======= ======= Adjustment to weighted average number of shares outstanding, as adjusted for additional primary calculation: Weighted average number of shares outstanding, as adjusted per additional primary computation on page 1 138.3 140.8 138.9 141.1 Additional dilutive effect of outstanding options and SARs (as determined by the application of the treasury stock method using period end market price) -- 0.1 -- -- Additional shares issuable at maximum level for PSUs 0.1 0.2 0.1 0.2 ------- ------- ------- ------- Weighted average number of shares, as adjusted 138.4 141.1 139.0 141.3 ======= ======= ======= ======= PAGE 22 EXHIBIT 11 Page 4 NORFOLK SOUTHERN CORPORATION AND SUBSIDIARIES COMPUTATION OF EARNINGS PER SHARE (In millions except per share amounts) Three Months Ended Six Months Ended June 30 June 30 1994 1993 1994 1993 -------- -------- ------- ------- Fully diluted earnings per share (F3): Income before accounting changes $ 1.48 $ 1.41 $ 2.68 $ 2.67 Cumulative effects of accounting changes -- -- -- 1.58 ------- ------- ------- ------- Net income $ 1.48 $ 1.41 $ 2.68 $ 4.25 ======= ======= ======= ======= <FN> (F3) These calculations are submitted in accordance with Regulation S-K item 601(b)(11) although they are contrary to paragraph 40 of APB Opinion No. 15 because they produce an anti-dilutive result.