-----BEGIN PRIVACY-ENHANCED MESSAGE----- Proc-Type: 2001,MIC-CLEAR Originator-Name: webmaster@www.sec.gov Originator-Key-Asymmetric: MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB MIC-Info: RSA-MD5,RSA, V7kOVf7NeVbHT4w26HpimwFRcNvjoiy2pgdAzAPBH3NRkPHxKberySom0waUwq4T HtPVpQC1QtxEgsD4YdtBwQ== 0000823483-99-000007.txt : 19991025 0000823483-99-000007.hdr.sgml : 19991025 ACCESSION NUMBER: 0000823483-99-000007 CONFORMED SUBMISSION TYPE: SC 13G PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 19991022 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: FRONTIER OIL CORP /NEW/ CENTRAL INDEX KEY: 0000110430 STANDARD INDUSTRIAL CLASSIFICATION: PETROLEUM REFINING [2911] IRS NUMBER: 741895085 STATE OF INCORPORATION: WY FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G SEC ACT: SEC FILE NUMBER: 005-31692 FILM NUMBER: 99732188 BUSINESS ADDRESS: STREET 1: 10000 MEMORIAL DRIVE STREET 2: SUITE 600 CITY: HOUSTON STATE: TX ZIP: 77024 BUSINESS PHONE: 7136889600 MAIL ADDRESS: STREET 1: 10000 MEMORIAL DRIVE STREET 2: SUITE 600 CITY: HOUSTON STATE: TX ZIP: 77024 FORMER COMPANY: FORMER CONFORMED NAME: WAINOCO OIL CORP DATE OF NAME CHANGE: 19920703 FORMER COMPANY: FORMER CONFORMED NAME: WAINOCO OIL LTD /WY/ DATE OF NAME CHANGE: 19770117 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: OPPENHEIMER MAIN STREET FUNDS INC CENTRAL INDEX KEY: 0000823483 STANDARD INDUSTRIAL CLASSIFICATION: UNKNOWN SIC - 0000 [0000] IRS NUMBER: 841073463 STATE OF INCORPORATION: MD FISCAL YEAR END: 0630 FILING VALUES: FORM TYPE: SC 13G BUSINESS ADDRESS: STREET 1: 3410 S GALENA ST CITY: DENVER STATE: CO ZIP: 80231 BUSINESS PHONE: 3036713200 MAIL ADDRESS: STREET 2: 3410 S GALENA ST CITY: DENVER STATE: CO ZIP: 80231 FORMER COMPANY: FORMER CONFORMED NAME: MAINSTREAM FUNDS INC DATE OF NAME CHANGE: 19880531 SC 13G 1 13G FILING-OPPENHEIMERFUNDS SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. __) Frontier Oil Corp. (Name of Issuer) Common Stock (Title of Class of Securities) 35914P105 (CUSIP Number) *The remainder of this cover page shall be filled out for a reporting person's initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page. The information required in the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 (the "Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes). (Continued on following pages) Page 1 of 7 Pages - -------------------------------- ------------ ------------------------------- CUSIP NO. 35914P105 13G Page 2 of 7 Pages - -------------------------------- ------------ ------------------------------- - ------- ------- --- ------------ ------------ ---- ----------- ---- --- ----- - ------- ------- --- ------------ ------------ ---- ----------- ---- --- ----- - ------- --------------------------------------------------------------------- 1 NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON OppenheimerFunds, Inc. I.R.S. NO. 13-2527171 - ------- --------------------------------------------------------------------- - ------- ------------------------------------------------------ ---- --- ----- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* - ------- ------------------------------------------------------ ---- --- ----- - ------- ---- --- ----- A - ------- ------------------------------------------------------ ---- --- ----- - ------- ---- --- ----- - ------- ------------------------------------------------------ ---- --- ----- - ------- ---- --- ----- B X - ------- ------------------------------------------------------ ---- --- ----- - ------- ---- --- ----- - ------- ------------------------------------------------------ ---- --- ----- - ------- --------------------------------------------------------------------- 3 SEC USE ONLY - ------- --------------------------------------------------------------------- - ------- --------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION Colorado - ------- --------------------------------------------------------------------- - --------------- --- --------------------------------------------------------- NUMBER OF SHARES5 SOLE VOTING POWER BENEFICIALLY OWNED 0 BY EACH REPORTING PERSON WITH - --------------- --- --------------------------------------------------------- --- --------------------------------------------------------- 6 SHARED VOTING POWER 0 - --------------- --- --------------------------------------------------------- --- --------------------------------------------------------- 7 SOLE DISPOSITIVE POWER 0 - --------------- --- --------------------------------------------------------- --- --------------------------------------------------------- 8 SHARED DISPOSITIVE POWER 2,996,500 - --------------- --- --------------------------------------------------------- - ------- --------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 2,996,500 - ------- --------------------------------------------------------------------- - ------- --------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* - ------- --------------------------------------------------------------------- - ------- --------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 10.98% - ------- --------------------------------------------------------------------- - ------- --------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON* IA - ------- --------------------------------------------------------------------- *SEE INSTRUCTION BEFORE FILLING OUT! - -------------------------------- ------------ ------------------------------- CUSIP NO. 35914P105 13G Page 3 of 7 Pages - -------------------------------- ------------ ------------------------------- - ------- ------- --- ------------ ------------ ---- ----------- ---- --- ----- - ------- ------- --- ------------ ------------ ---- ----------- ---- --- ----- - ------- --------------------------------------------------------------------- 1 NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON Oppenheimer Main Street Growth & Income Fund I.R.S. NO. 84-1073463 - ------- --------------------------------------------------------------------- - ------- ------------------------------------------------------ ---- --- ----- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* - ------- ------------------------------------------------------ ---- --- ----- - ------- ---- --- ----- A - ------- ------------------------------------------------------ ---- --- ----- - ------- ---- --- ----- - ------- ------------------------------------------------------ ---- --- ----- - ------- ---- --- ----- B X - ------- ------------------------------------------------------ ---- --- ----- - ------- ---- --- ----- - ------- ------------------------------------------------------ ---- --- ----- - ------- --------------------------------------------------------------------- 3 SEC USE ONLY - ------- --------------------------------------------------------------------- - ------- --------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION Maryland - ------- --------------------------------------------------------------------- - --------------- --- --------------------------------------------------------- NUMBER OF SHARES5 SOLE VOTING POWER BENEFICIALLY OWNED 2,396,500 BY EACH REPORTING PERSON WITH - --------------- --- --------------------------------------------------------- --- --------------------------------------------------------- 6 SHARED VOTING POWER 0 - --------------- --- --------------------------------------------------------- --- --------------------------------------------------------- 7 SOLE DISPOSITIVE POWER 0 - --------------- --- --------------------------------------------------------- --- --------------------------------------------------------- 8 SHARED DISPOSITIVE POWER 2,396,500 - --------------- --- --------------------------------------------------------- - ------- --------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 2,396,500 - ------- --------------------------------------------------------------------- - ------- --------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* - ------- --------------------------------------------------------------------- - ------- --------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 8.78% - ------- --------------------------------------------------------------------- - ------- --------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON* IA - ------- --------------------------------------------------------------------- *SEE INSTRUCTION BEFORE FILLING OUT! SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 Item 1(a) Name of Issuer: Frontier Oil Corp. Item 1(b) Address of Issuer's Principal Executive Offices: 10000 Memorial Drive Suite 600 Houston, TX 77024-3411 Item 2(a) Name of Person Filing: OppenheimerFunds, Inc. Item 2(b) Address of Principal Business Office: Two World Trade Center, Suite 3400 New York, New York 10048-0203 Item 2(c) Citizenship: Inapplicable Item 2(d) Title of Class of Securities: Common Stock Item 2(e) CUSIP Number: 35914P105 Item 3(e) X Investment Adviser registered under Section 203 of --- the Investment Advisers Act of 1940 Item 4(a) Amount Beneficially Owned: 2,996,500 shares Item 4(b) Percent of Class: 10.98% Item 4(c)(i) Sole Power to vote or to direct the vote - 0 Item 4(c)(ii) Shared power to vote or to direct the vote - 0 Item 4(c)(iii) Sole power to dispose or to direct the disposition of - 0 Item 4(c)(iv) Shared power to dispose or to direct the disposition of - 2,996,500 shares Item 5 Ownership to Five Percent or Less of a Class: -------------------------------------------- If this statement is being filed to report the fact that as of the date hereof, the reporting person has ceased to be the beneficial owner of more than 5% of the class of securities, check the following: ___ Item 6 Ownership of More than Five Percent on Behalf of Another ---------------------------------------------------------- Person: See Exhibit A hereto Item 7 Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on By the Parent Holding Company: Inapplicable Item 8 Identification and Classification of Members of the Group: --------------------------------------------------------- Inapplicable Item 9 Notice of Dissolution of Group: ------------------------------ Inapplicable Item 10 Certification: By signing below, I certify that, to the best of my knowledge and belief, the securities referred to above were acquired in the ordinary course of business and were not acquired for the purpose of and do not have the effect of changing or influencing the control of the issuer of such securities and were not acquired in connection with or as a participant in any transaction having such purpose or effect. SIGNATURE After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct. Date: October 22, 1999 Signature: /s/ Merryl Hoffman Name/Title: Merryl Hoffman, Vice President EXHIBIT A The Board of Directors or Trustees of the registered investment companies managed by OppenheimerFunds, Inc. ("OFI") and owning shares of the issuer can direct the disposition of dividends received by such funds and can dispose of such securities. Additionally, OFI shares the power to dispose of such securities with the Board of Directors or Trustees of such funds; however, the Board of Directors or Trustees of such fund has delegated these responsibilities to OFI as the fund's investment advisor under its investment advisory agreement. OFI has an interest relating to five (5%) percent or more or such securities as disclosed of Page 2 hereof, by virtue of the interest of five (5%) or more of such securities of Oppenheimer Main Street Growth & Income Fund, as disclosed on pages 3 and 4 hereof. OFI disclaims ownership of such securities, except as expressly stated herein. EXHIBIT B The undersigned investment company hereby acknowledges and agrees that a report on Schedule 13G being filed by OppenheimerFunds, Inc. on or about the date hereof, relating to the Common Stock of Frontier Oil Corp., is filed on behalf of the undersigned. Dated: October 22, 1999 Oppenheimer Main Street Growth & Income Fund By: /s/ Robert G. Zack Robert G. Zack Assistant Secretary -----END PRIVACY-ENHANCED MESSAGE-----