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PROSPECTUS SUPPLEMENT TO                      Filed Pursuant to Rule 424(b)(3)
PROSPECTUS DATED APRIL 2, 1997                            SEC File No. 333-23955




                              LOMAK PETROLEUM, INC.
                                 $55,000,000 of
                 6% Convertible Subordinated Debentures due 2007
                                       and
                        4,287,249 SHARES OF COMMON STOCK

              -----------------------------------------------------

            The Date of this Prospectus Supplement is August 31, 1998

              -----------------------------------------------------

         The following information supplements the Prospectus dated April 2,
1997 relating to the offering of up to $55,000,000 principal amount of the 6%
Convertible Subordinated Debentures due 2007 (the "6% Debentures") of Range
Resources Corporation a Delaware corporation (the "Company"), and 4,287,249
shares of Common Stock, $.01 par value per share (the "Common Stock"), of the
Company from time to time by certain holders of Common Stock and/or 6%
Debentures (the "Selling Securityholders").

         The Prospectus is supplemented with the following information to be
added under the heading "Selling Securityholders":

Common Stock 6% Debentures ------------------------------------- -------------------------------------- Principal Number of Amount of Principal Shares Number of Percent of Debentures Amount of Percent of SELLING SECURITYHOLDER Beneficially Shares Class After Beneficially Debentures Class After ---------------------- Owned Offered Offering Owned Offered Offering ----- ------- -------- ----- ------- -------- Chase Manhattan NA as Trustee for IBM Retirement Plan dated 12/18/45 One Bride Plaza Fort Lee, New Jersey 07024 128,831(1) 128,831(1) - $ 2,480,000 $ 2,480,000 - Merrill Lynch Convertible Fund 800 Scudders Mill Road Plainsboro, New Jersey 08536 31,169(1) 31,169(1) - 600,000 600,000 - Merrill Lynch Convertible Securities Portfolio 800 Scudders Mill Road Plainsboro, New Jersey 08536 25,794(1) 25,794(1) - 500,000 500,000 -
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Common Stock 6% Debentures ------------------------------------- -------------------------------------- Principal Number of Amount of Principal Shares Number of Percent of Debentures Amount of Percent of SELLING SECURITYHOLDER Beneficially Shares Class After Beneficially Debentures Class After ---------------------- Owned Offered Offering Owned Offered Offering ----- ------- -------- ----- ------- -------- Bankers Trust Trustee for Chrysler Corporation Employee #1 Pension Plan dated 4/1/89 One Bridge Plaza Fort Lee, New Jersey 07024 78,691(1) 78,691(1) - $ 1,520,000 $ 1,520,000 - Key Asset Management Inc. as Investment Manager for the Potlatch-First Trust Company of St. Paul 127 Public Square, 20th Floor Cleveland, Ohio 44114 15,584(1) 15,584(1) - 300,000 300,000 - Key Asset Management Inc., as Investment Manager for the University of Southern Florida Fund 127 Public Square, 20th Floor Cleveland, Ohio 44114 4,155(1) 4,155(1) - 80,000 80,000 - Key Asset Management Inc., as Agent for the Key Tr. Convertible Securities Fund 127 Public Square, 20th Floor Cleveland, Ohio 44114 9,142(1) 9,142(1) - 176,000 176,000 - Key Asset Management Inc., as Agent for the EB Convertible Securities Fund 127 Public Square, 20th Floor Cleveland, Ohio 44114 37,402(1) 37,402(1) - 720,000 720,000 - Key Asset Management Inc., as Agent for the GenCorp. Fund 127 Public Square, 20th Floor Cleveland, Ohio 44114 3,116(1) 3,116(1) - 60,000 60,000 - Key Asset Management Inc., as Agent for the Charitable Securities Fund 127 Public Square, 20th Floor Cleveland, Ohio 44114 31,116(1) 31,116(1) - 599,000 599,000 -
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Common Stock 6% Debentures ------------------------------------- -------------------------------------- Principal Number of Amount of Principal Shares Number of Percent of Debentures Amount of Percent of SELLING SECURITYHOLDER Beneficially Shares Class After Beneficially Debentures Class After ---------------------- Owned Offered Offering Owned Offered Offering ----- ------- -------- ----- ------- -------- Key Asset Management Inc., as Agent for the Victory Convertible Securities Fund 127 Public Square, 20th Floor Cleveland, Ohio 44114 38,961(1) 38,961(1) - $ 750,000 $ 750,000 - State Street Bank Custodian For GE Pension Trust One Bridge Plaza Fort Lee, New Jersey 07024 38,961(1) 38,961(1) - 750,000 750,000 - Third Avenue Trust on behalf of the Third Avenue High Yield Fund Series 767 Third Avenue New York, New York 10017 15,584(1) 15,584(1) - 300,000 300,000 - Zephyr Fund Ltd. c/o Harbor Capital Management 2777 Summer Street Stamford, Connecticut 06905 25,974(1) 25,974(1) - 500,000 500,000 - Forum Capital Markets LLC 53 Forest Avenue Old Greenwich, Connecticut 06870 79,480(1) 79,480(1) - 1,530,000 1,530,000 - Forest Alternative Strategies Fund A-5 53 Forest Avenue Old Greenwich, Connecticut 06870 31,129(1) 31,129(1) - 580,000 580,000 - Forest Alternative Strategies Fund A-5I 53 Forest Avenue Old Greenwich, Connecticut 06870 2,597(1) 2,597(1) - 50,000 50,000 - Forest Global Convertible Fund A-5 C/o Olympia Capital Williams House 20 Reid Street Hamilton, HM 11 Bermuda 31,688(1) 31,688(1) - 610,000 610,000 -
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Common Stock 6% Debentures ------------------------------------- -------------------------------------- Principal Number of Amount of Principal Shares Number of Percent of Debentures Amount of Percent of SELLING SECURITYHOLDER Beneficially Shares Class After Beneficially Debentures Class After ---------------------- Owned Offered Offering Owned Offered Offering ----- ------- -------- ----- ------- -------- Forest Alternative Strategies Fund A-5M 53 Forest Avenue Old Greenwich, Connecticut 06870 1,038(1) 1,038(1) - $ 20,000 $ 20,000 - California Public Employment Retirement System 400 P. Street Sacramento, California 95814 142,857(1) 142,857(1) - 2,750,000 2,750,000 - Bridgerope & Co. Merrill Lynch World Income Fund 800 Scudders Mill Road Plainsboro, New Jersey 08536 77,922(1) 77,922(1) - 1,500,000 1,500,000 - Delaware State Employees' Retirement Fund c/o Pecks Management Partners, Ltd. One Rockefeller Plaza Suite 900 New York, New York 10020 121,588(1) 121,588(1) - 2,340,000 2,340,000 - Declaration of Trust for the Defined Benefit Plans of ICI American Holdings Incorporated c/o Pecks Management Partners, Ltd. One Rockefeller Plaza Suite 900 New York, New York 10020 37,402(1) 37,402(1) - 720,000 720,000 - Declaration of Trust for the Defined Benefit Plans of Zeneca Holdings Inc. c/o Pecks Management Partners, Ltd. One Rockefeller Plaza Suite 900 New York, New York 10020 24,935(1) 24,935(1) - 480,000 480,000 -
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Common Stock 6% Debentures ------------------------------------- -------------------------------------- Principal Number of Amount of Principal Shares Number of Percent of Debentures Amount of Percent of SELLING SECURITYHOLDER Beneficially Shares Class After Beneficially Debentures Class After ---------------------- Owned Offered Offering Owned Offered Offering ----- ------- -------- ----- ------- -------- Christian Science Trustees for Gifts and Endowments c/o Pecks Management Partners, Ltd. One Rockefeller Plaza Suite 900 New York, New York 10020 10,129(1) 10,129(1) - $ 195,000 $ 195,000 - General Motors Employees Domestic Group Trust c/o Pecks Management Partners, Ltd. One Rockefeller Plaza Suite 900 New York, New York 10020 454,025(1) 454,025(1) - 8,740,000 8,740,000 - Thermo Electron Balanced Investment Fund c/o Pecks Management Partners, Ltd. One Rockefeller Plaza Suite 900 New York, New York 10020 27,272(1) 27,272(1) - 525,000 525,000 - Security Insurance Company of Hartford c/o Orion Capital Corporation 600 Fifth Avenue New York, New York 10020 51,948(1) 51,948(1) - 1,000,000 1,000,000 - Guaranty National Insurance Company c/o Orion Capital Corporation 600 Fifth Avenue New York, New York 10020 25,974(1) 25,974(1) - 500,000 500,000 - LLT Limited # 48 Par-la-Ville Road Suite No. 779 Hailton, HM 11 Bermuda 2,077(1) 2,077(1) - 40,000 40,000 -
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Common Stock 6% Debentures ------------------------------------- -------------------------------------- Principal Number of Amount of Principal Shares Number of Percent of Debentures Amount of Percent of SELLING SECURITYHOLDER Beneficially Shares Class After Beneficially Debentures Class After ---------------------- Owned Offered Offering Owned Offered Offering ----- ------- -------- ----- ------- -------- OCM Convertible Trust c/o Oaktree Capital Management LLC 550 South Hope Street, 22nd Floor Los Angeles, California 90071 54,805(1) 54,805(1) - $ 1,055,000 $ 1,055,000 - State of Connecticut Combined Investment Funds c/o Oaktree Capital Management LLC 550 South Hope Street, 22nd Floor Los Angeles, California 90071 16,363(1) 16,363(1) - 315,000 315,000 - Partner Reinsurance Company Ltd. c/o Oaktree Capital Management LLC 550 South Hope Street, 22nd Floor Los Angeles, California 90071 10,389(1) 10,389(1) - 200,000 200,000 - Raytheon Company Master Pension Trust c/o Oaktree Capital Management LLC 550 South Hope Street, 22nd Floor Los Angeles, California 90071 33,766(1) 33,766(1) - 650,000 650,000 - Vanguard Convertible Securities Fund, Incorporated c/o Oaktree Capital Management LLC 550 South Hope Street, 22nd Floor Los Angeles, California 90071 32,727(1) 32,727(1) - 630,000 630,000 - Heritage Income Growth Trust 880 Carillon Parkway St. Petersburg, Florida 33716 113,766(1) 113,766(1) - 2,190,000 2,190,000 - Second National Bank Trust Department 108 Main SW Warren, Ohio 44481 5,194(1) 5,194(1) - 100,000 100,000 -
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Common Stock 6% Debentures ------------------------------------- -------------------------------------- Principal Number of Amount of Principal Shares Number of Percent of Debentures Amount of Percent of SELLING SECURITYHOLDER Beneficially Shares Class After Beneficially Debentures Class After ---------------------- Owned Offered Offering Owned Offered Offering ----- ------- -------- ----- ------- -------- Katrina Adams c/o Morgan Stanley Incorporated 440 S. LaSalle Chicago, Illinois 60605 5,194(1) 5,194(1) - $ 100,000 $ 100,000 - David Babiarz c/o Morgan Stanley Incorporated 440 S. LaSalle Chicago, Illinois 60605 2,597(1) 2,597(1) - 50,000 50,000 - Thomas G. Lyons c/o Morgan Stanley Incorporated 440 S. LaSalle Chicago, Illinois 60605 2,597(1) 2,597(1) - 50,000 50,000 - TQA Arbitrage Fund, L.P. 181 Harbour Drive Stamford, Connecticut 06902 23,376(1) 23,376(1) - 450,000 450,000 - TQA Leverage Fund, L.P. 181 Harbour Drive Stamford, Connecticut 06902 10,389(1) 10,389(1) - 200,000 200,000 - TQA Leverage Fund, L.P. 181 Harbour Drive Stamford, Connecticut 06902 5,194(1) 5,194(1) - 100,000 100,000 - Richard L. Jackson Judith A. K. Harmony 3950 Rose Hill Avenue Cincinnati, Ohio 45229 3,558(2) 1,558(1) * 30,000 30,000 - Museum of Fine Arts, Boston c/o The Putnam Advisory Company, Incorporated One Post Office Square Boston, Massachusetts 02109 5,455(1) 5,455(1) - 105,000 105,000 -
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Common Stock 6% Debentures ------------------------------------- -------------------------------------- Principal Number of Amount of Principal Shares Number of Percent of Debentures Amount of Percent of SELLING SECURITYHOLDER Beneficially Shares Class After Beneficially Debentures Class After ---------------------- Owned Offered Offering Owned Offered Offering ----- ------- -------- ----- ------- -------- Boston College Endowment Fund c/o The Putnam Advisory Company, Incorporated One Post Office Square Boston, Massachusetts 02109 4,935(1) 4,935(1) - $ 95,000 $ 95,000 - Promutual c/o The Putnam Advisory Company, Incorporated One Post Office Square Boston, Massachusetts 02109 22,857(1) 22,857(1) - 440,000 440,000 - Employers' Reinsurance Corporation c/o The Putnam Advisory Company, Incorporated One Post Office Square Boston, Massachusetts 02109 35,584(1) 35,584(1) - 685,000 685,000 - University of Rochester c/o The Putnam Advisory Company, Incorporated One Post Office Square Boston, Massachusetts 02109 5,194(1) 5,194(1) - 100,000 100,000 - Rhone-Poulenc Rorer Inc. Pension Plan c/o The Putnam Advisory Company, Incorporated One Post Office Square Boston, Massachusetts 02109 467(1) 467(1) - 9,000 9,000 - New Hampshire State Retirement System c/o The Putnam Advisory Company, Incorporated One Post Office Square Boston, Massachusetts 02109 27,012(1) 27,012(1) - 520,000 520,000 -
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Common Stock 6% Debentures ------------------------------------- -------------------------------------- Principal Number of Amount of Principal Shares Number of Percent of Debentures Amount of Percent of SELLING SECURITYHOLDER Beneficially Shares Class After Beneficially Debentures Class After ---------------------- Owned Offered Offering Owned Offered Offering ----- ------- -------- ----- ------- -------- Putnam Convertible Income-Growth Trust c/o The Putnam Investment Management Incorporated One Post Office Square Boston, Massachusetts 02109 320,000(1) 320,000(1) - $6,160,000 6,160,000 - Putnam Global Natural Resources Fund c/o The Putnam Investment Management Incorporated One Post Office Square Boston, Massachusetts 02109 40,000(1) 40,000(1) - 770,000 770,000 - Putnam Balanced Retirement Fund c/o The Putnam Investment Management Incorporated One Post Office Square Boston, Massachusetts 02109 14,025(1) 14,025(1) - 270,000 270,000 - Putnam Convertible Opportunities and Income Trust c/o The Putnam Investment Management Incorporated One Post Office Square Boston, Massachusetts 02109 17,142(1) 17,142(1) - 330,000 330,000 - Putnam Funds Trust-Putnam High Yield Total Return Fund c/o The Putnam Investment Management Incorporated One Post Office Square Boston, Massachusetts 02109 1,246(1) 1,246(1) - 24,000 24,000 - Sondra Myers Mae S. Gelb C/o Beverly Gelb Klein Trustee 111 Peller Avenue Scranton, Pennsylvania 18505 519(1) 519(1) - 10,000 10,000 -
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Common Stock 6% Debentures ------------------------------------- -------------------------------------- Principal Number of Amount of Principal Shares Number of Percent of Debentures Amount of Percent of SELLING SECURITYHOLDER Beneficially Shares Class After Beneficially Debentures Class After ---------------------- Owned Offered Offering Owned Offered Offering ----- ------- -------- ----- ------- -------- Ethel Chadsey Meulendyke Charitable Trust c/o A.G. Edwards & Sons Inc. 31 N. Main Street Essex, Connecticut 06426 935(1) 935(1) - 18,000(1) 18,000(1) - LDG Limited #48 Par-la-Ville Road Suite No 780 Hamilton, HM 11 Bermuda 10,389(1) 10,389(1) - 200,000(1) 200,000(1) -
- ----------------------- * Less than 1% (1) Issuable upon conversion of the 6% Debentures. (2) Includes 1,558 shares issuable upon conversion of the 6% Debentures and 2,000 Common shares currently owned.