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                UNITED STATES SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                    Form 8-K

                                 Current Report

     Pursuant to Section 13 of 15(d) of the Securities Exchange Act of 1934

        Date of Report (Date of earliest event reported): March 8, 19998


                               Chevron Corporation
             (Exact name of registrant as specified in its charter)

           Delaware                  1-368-2                   94-0890210      
  ---------------------------   ----------------------    ------------------- 
 (State or other jurisdiction  (Commission File Number)  (I.R.S. Employer No.)
      of incorporation )

       575 Market Street, San Francisco, CA                    94105           
      --------------------------------------                 -------- 
     (Address of principal executive offices)               (Zip Code)

       Registrant's telephone number, including area code: (415) 894-7700


                                      NONE
           -----------------------------------------------------------
          (Former name or former address, if changed since last report)

Item 5. Other Events.
- --------------------

         On March 5, 1999, Chevron Corporation issued a press release announcing
         revised Net Income for the year ending December 31, 1998.


Item 7. Financial Statements and Exhibits.
- -----------------------------------------

         (c)   Exhibits.

         99.1 Press Release of Chevron Corporation dated March 5, 1999, entitled
              "Chevron  revises  1998 Net  Income to $1.339  billion  to include
              potential impact of recent Oklahoma Supreme Court opinion"


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SIGNATURE Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. Dated: March 8, 1999 CHEVRON CORPORATION By /s/ S. J. CROWE ------------------------ S. J. Crowe, Comptroller (Duly Authorized Officer)



                                                                  Exhibit 99.1

 CHEVRON REVISES 1998 NET INCOME TO $1.339 BILLION TO INCLUDE POTENTIAL IMPACT
                    OF RECENT OKLAHOMA SUPREME COURT OPINION

SAN FRANCISCO,  March 5, 1999 -- Chevron Corp.  today  announced that net income
for the  fourth  quarter  and year 1998 has been  revised  to  include a special
charge of $637 million  arising from the March 2 Oklahoma  Supreme Court opinion
in the Cities Service case.

Even though  Chevron plans to  aggressively  seek further review of this case in
the  courts,  the  company  indicated  the  adjustment  was made to comply  with
accounting standards that require recognition of certain potential losses.

Net income for 1998 was  reduced to $1.339  billion  ($2.04 per share - diluted)
from the previously  reported  preliminary  earnings of $1.976  billion.  Fourth
quarter net income was reduced to a loss of $206 million ($0.31 loss per share -
diluted) from the previously reported preliminary profit of $431 million.

Excluding special items,  operating earnings for 1998 of $1.945 billion were not
affected.  The  $637  million  charge  reflects  an  increased  reserve  for the
potential  estimated  after-tax  impact of the $742.2 million  judgement in July
1996, plus interest through December 31, 1998.

The case  reaches  back to 1982 when Cities  Service  Co., a Tulsa oil  company,
filed suit against Gulf Oil Corp.,  when Gulf terminated plans to acquire Cities
Service.  In the years since the suit was filed, both companies were acquired by
other energy firms: Cities Service by Occidental  Petroleum and Gulf by Chevron.
The lawsuit remained in the names of the original parties.

3/5/99

Attachment -1- CHEVRON CORPORATION - FINANCIAL REVIEW - REVISED MARCH 4, 1999 (MILLIONS OF DOLLARS EXCEPT PER-SHARE AMOUNTS) CONSOLIDATED STATEMENT OF INCOME Fourth Quarter Year Ended (unaudited) December 31, ------------------------------ ------------------------ REVENUES: 1998 1997 1998 (2) 1997 ---------- ---------- ---------- ---------- Sales and Other Operating Revenues (1) $ 7,164 $ 9,725 $ 29,943 $ 40,596 Income from Equity Affiliates (66) 153 228 688 Other Income 184 390 386 679 ---------- ---------- ---------- ---------- 7,282 10,268 30,557 41,963 ---------- ---------- ---------- ---------- COSTS AND OTHER DEDUCTIONS: Purchased Crude Oil and Products 3,358 4,599 14,036 20,223 Operating Expenses 1,160 1,303 4,834 5,280 Selling and Administrative Expenses 1,343 496 2,239 1,533 Exploration Expenses 117 205 478 493 Depreciation, Depletion and Amortization 646 657 2,320 2,300 Taxes Other Than on Income (1) 1,115 1,525 4,411 6,320 Interest and Debt Expense 109 85 405 312 ---------- ---------- ---------- ---------- 7,848 8,870 28,723 36,461 ---------- ---------- ---------- ---------- INCOME BEFORE INCOME TAX EXPENSE (566) 1,398 1,834 5,502 Income Tax Expense (360) 523 495 2,246 ---------- ---------- ---------- ---------- NET INCOME $ (206) $ 875 $ 1,339 $ 3,256 ========== ========== ========== ========== PER-SHARE AMOUNTS Earnings - Basic $ (0.31) $ 1.33 $ 2.05 $ 4.97 Earnings - Diluted $ (0.31) $ 1.33 $ 2.04 $ 4.95 Dividends $ .61 $ .58 $ 2.44 $ 2.28 Average Common Shares Outstanding (000's) - Basic 654,076 658,249 654,858 656,306 - Diluted 656,237 660,826 657,076 658,363 NET INCOME BY MAJOR OPERATING AREA Fourth Quarter Year Ended (unaudited) December 31, ------------------------------ ------------------------ 1998 1997 1998 1997 ---------- ---------- ---------- ---------- Exploration and Production United States $ 72 $ 265 $ 365 $ 1,001 International 202 261 707 1,252 ---------- ---------- ---------- ---------- Total Exploration and Production 274 526 1,072 2,253 ---------- ---------- ---------- ---------- Refining, Marketing and Transportation United States 114 156 572 601 International (118) 139 28 298 ---------- ---------- ---------- ---------- Total Refining, Marketing and Transportation (4) 295 600 899 ---------- ---------- ---------- ---------- Chemicals (2) 63 122 228 All Other (3) (4) (474) (9) (455) (124) ---------- ---------- ---------- ---------- NET INCOME $ (206) $ 875 $ 1,339 $ 3,256 ========== ========== ========== ========== (1) Includes consumer excise taxes. $ 943 $ 1,339 $ 3,756 $ 5,587 1997 amounts have been reclassified to conform to the 1998 presentation (2) Includes restatements of 1998 periods for the company's share of the cumulative effect of accounting changes, effective January 1, 1998, the net effect of which was immaterial. (3) Renamed in connection with the fourth quarter 1998 implementation of SFAS 131, "Disclosures about Segments of an Enterprise and Related Information". (4) "All Other" includes coal operations, interest expense, interest income on cash and marketable securities, corporate center costs, real estate and insurance activities.

-2- CHEVRON CORPORATION - FINANCIAL REVIEW - REVISED MARCH 4, 1999 (MILLIONS OF DOLLARS) Fourth Quarter Year Ended SPECIAL ITEMS BY MAJOR OPERATING AREA (unaudited) December 31, ------------------------ ----------------------- 1998 1997 1998 (1) 1997 --------- --------- ------------ --------- U. S. Exploration and Production $ (34) $ (3) $ (16) $ 29 International Exploration and Production (7) (4) (10) 55 U. S. Refining, Marketing and Transportation (48) (18) (61) (61) International Refining, Marketing and Transportation (27) 6 (95) (69) Chemicals (24) 22 (29) 4 All Other (2) (3) (569) 65 (395) 118 --------- --------- --------- --------- Total Special Items $ (709) $ 68 $ (606) $ 76 ========= ========= ========= ========= Fourth Quarter Year Ended SUMMARY OF SPECIAL ITEMS (unaudited) December 31, ------------------------ ----------------------- 1998 1997 1998 1997 --------- --------- --------- --------- Asset Dispositions $ 29 $ 156 $ (9) $ 183 Asset Write-offs and Revaluations (91) (78) (159) (86) Environmental Remediation Provisions (21) - (39) (35) Prior-Year Tax Adjustments 81 54 271 152 Restructurings & Reorganizations - (60) (43) (60) LIFO Inventory (Losses) Gains (25) 5 (25) 5 Other, Net (682) (9) (602) (83) --------- --------- --------- --------- Total Special Items $ (709) $ 68 $ (606) $ 76 ========= ========= ========= ========= FOREIGN EXCHANGE (LOSSES) GAINS $ (71) $ 205 $ (47) $ 246 ------------------------------- EARNINGS BY MAJOR OPERATING AREA EXCLUDING SPECIAL ITEMS -------------------------------- Fourth Quarter Year Ended (unaudited) December 31, ------------------------ ----------------------- 1998 1997 1998 1997 --------- --------- --------- --------- Exploration and Production United States $ 106 $ 268 $ 381 $ 972 International 209 265 717 1,197 --------- --------- --------- --------- Total Exploration and Production 315 533 1,098 2,169 --------- --------- --------- --------- Refining, Marketing and Transportation United States 162 174 633 662 International (91) 133 123 367 --------- --------- --------- --------- Total Refining, Marketing and Transportation 71 307 756 1,029 --------- --------- --------- --------- Chemicals 22 41 151 224 All Other (2) (3) 95 (74) (60) (242) --------- --------- --------- --------- Earnings Excluding Special Items 503 807 1,945 3,180 Special Items (709) 68 (606) 76 --------- --------- --------- --------- Net Income $ (206) $ 875 $ 1,339 $ 3,256 ========= ========= ========= ========= (1) Includes restatements of 1998 periods for the company's share of the cumulative effect of accounting changes, effective January 1, 1998, the net effect of which was immaterial. (2) "All Other" includes interest expense, interest income on cash and marketable securities, corporate center costs, coal operations, real estate and insurance activities. (3) Renamed in connection with the fourth quarter 1998 implementation of SFAS 131, "Disclosures about Segments of an Enterprise and Related Information".