<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED
FROM EXX INC. AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO
SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1998
<PERIOD-START>                             JAN-01-1998
<PERIOD-END>                               MAR-31-1998
<CASH>                                       3,557,000
<SECURITIES>                                 1,800,000
<RECEIVABLES>                                2,998,000
<ALLOWANCES>                                         0
<INVENTORY>                                  3,452,000
<CURRENT-ASSETS>                            13,508,000
<PP&E>                                       9,791,000
<DEPRECIATION>                               7,279,000
<TOTAL-ASSETS>                              16,119,000
<CURRENT-LIABILITIES>                        5,009,000
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                        37,000
<OTHER-SE>                                   9,016,000
<TOTAL-LIABILITY-AND-EQUITY>                16,119,000
<SALES>                                      5,655,000
<TOTAL-REVENUES>                                     0
<CGS>                                        3,963,000
<TOTAL-COSTS>                                1,693,000
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                              33,000
<INCOME-PRETAX>                                204,000
<INCOME-TAX>                                    69,000
<INCOME-CONTINUING>                                  0
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                   135,000
<EPS-PRIMARY>                                      .05
<EPS-DILUTED>                                      .05