<ARTICLE> 5 <LEGEND> THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE CONSOLIDATED FINANCIAL STATEMENTS OF ROWAN COMPANIES, INC. FOR THE SIX MONTHS ENDED JUNE 30, 2000 INCLUDED IN ITS FORM 10-Q FOR THE QUARTERLY PERIOD THEN ENDED AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS. </LEGEND> <MULTIPLIER> 1,000 <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> DEC-31-2000 <PERIOD-END> JUN-30-2000 <CASH> 176,902 <SECURITIES> 0 <RECEIVABLES> 110,359 <ALLOWANCES> 0 <INVENTORY> 113,251 <CURRENT-ASSETS> 425,869 <PP&E> 2,084,189 <DEPRECIATION> 952,637 <TOTAL-ASSETS> 1,570,774 <CURRENT-LIABILITIES> 95,077 <BONDS> 337,826 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 11,783 <OTHER-SE> 987,049 <TOTAL-LIABILITY-AND-EQUITY> 1,570,774 <SALES> 41,030 <TOTAL-REVENUES> 270,891 <CGS> 27,977 <TOTAL-COSTS> 244,964 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 3,530 <INCOME-PRETAX> 27,539 <INCOME-TAX> 10,339 <INCOME-CONTINUING> 17,200 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 17,200 <EPS-BASIC> 0.19 <EPS-DILUTED> 0.19