<ARTICLE> 5
<LEGEND>
THE SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM EXXON'S
CONDENSED CONSOLIDATED BALANCE SHEET AT JUNE 30, 1998 AND EXXON'S CONDENSED
CONSOLIDATED STATEMENT OF INCOME FOR THE SIX MONTHS ENDED JUNE 30, 1998, THAT
ARE CONTAINED IN EXXON'S FORM 10-Q FOR THE QUARTERLY PERIOD ENDED JUNE 30,
1998. THE SCHEDULE IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH
FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000,000
       
                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1998
<PERIOD-END>                               JUN-30-1998
<CASH>                                           2,689
<SECURITIES>                                        21
<RECEIVABLES>                                    6,621
<ALLOWANCES>                                        99
<INVENTORY>                                      5,119
<CURRENT-ASSETS>                                18,280
<PP&E>                                         129,975
<DEPRECIATION>                                  63,223
<TOTAL-ASSETS>                                  93,216
<CURRENT-LIABILITIES>                           17,532
<BONDS>                                          6,927
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                        134
<COMMON>                                         2,323
<OTHER-SE>                                      40,900
<TOTAL-LIABILITY-AND-EQUITY>                    93,216
<SALES>                                         58,790
<TOTAL-REVENUES>                                59,854
<CGS>                                           23,490
<TOTAL-COSTS>                                   23,490
<OTHER-EXPENSES>                                 9,101
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                 132
<INCOME-PRETAX>                                  5,007
<INCOME-TAX>                                     1,497
<INCOME-CONTINUING>                              3,510
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     3,510
<EPS-PRIMARY>                                     1.43
<EPS-DILUTED>                                     1.41