1 EXHIBIT 11 TIDEWATER INC. COMPUTATION OF EARNINGS AND SHARES USED IN ARRIVING AT PRIMARY AND FULLY-DILUTED EARNINGS PER SHARE FOR THE QUARTER ENDED JUNE 30, 1995 Quarter Ended June 30, 1995 ------------- Net earnings (in thousands) $ 16,493 ============ Computation of weighted average number of common shares outstanding : - ----------------------------------------- Issued: 53,270,130 shares Weighted average common shares outstanding 53,251,263 Plus: Incremental shares applicable to stock options 387,103 ------------ Weighted average common shares & equivalents 53,638,366 ============ Primary and fully diluted earnings per common share $ .31 ============ - 23 -