Frontier Oil Corp Watch

from 10-Q 3 pages Eighth Amendment to Revolving Credit Agreement (Uncommitted) Dated as of February 25, 2010 Among Utexam Limited, as Borrower, Bnp Paribas, as Administrative Agent, and the Lenders Party Hereto Eighth Amendment to Revolving Credit Agreement

from 10-K ~10 pages Third Amendment to Fourth Amended and Restated Revolving Credit Agreement

from 10-K ~10 pages Second Amendment to Fourth Amended and Restated Revolving Credit Agreement

from 10-K 2 pages First Amendment to Third Amended and Restated Revolving Credit Agreement

from 8-K 2 pages First Amendment to Fourth Amended and Restated Revolving Credit Agreement

from 8-K 12 pages Fourth Amended and Restated Revolving Credit Agreement

from 8-K 3 pages Second Amendment to Third Amended and Restated Revolving Credit Agreement and Waiver Thereunder

from 8-K 88 pages Third Amended and Restated Revolving Credit Agreement Among Frontier Oil and Refining Company, as Borrower and Frontier Oil Corporation and the Lenders Named Herein and Union Bank of California, N.A., as Administrative Agent and Lead Arranger and Bnp Paribas, as Syndication Agent and Toronto Dominion (Texas) LLC and Wells Fargo Bank, N.A., as Co-Documentation Agents October 1, 2007

from 10-Q ~10 pages Second Amendment to Second Amended and Restated Revolving Credit Agreement

from 10-Q ~10 pages First Amendment to Second Amended and Restated Revolving Credit Agreement

from 8-K 81 pages Second Amended and Restated Revolving Credit Agreement Among Frontier Oil and Refining Company, as Borrower and Frontier Oil Corporation and the Lenders Named Herein and Union Bank of California, N.A., as Administrative Agent and Lead Arranger and Bnp Paribas, as Syndication Agent and Toronto Dominion (Texas) LLC and Wells Fargo Bank, N.A., as Co-Documentation Agents November 22, 2004

from 10-Q ~5 pages To the Lenders Party to the Revolving Credit Agreement Referred to Below Re: Sixth Amendment to Guaranty Ladies and Gentlemen

from 10-Q ~5 pages Second Amendment to Revolving Credit Agreement and Second Amendment to Guaranty and First Amendment to Clawback Agreement

from 10-Q ~5 pages To the Lenders Party to the Revolving Credit Agreement Referred to Below Re: First Amendment to Revolving Credit Agreement and First Amendment to Guaranty Ladies and Gentlemen

from 8-K ~50 pages Exhibit 10.2 - Revolving Credit Agreement

from 10-K >50 pages Exhibit 10.1 Amended Credit Agreement

from 10-K 1 page Waiver To: Wainoco Oil Corporation ("Wainoco") From: Bank of Montreal in Its Capacity as Agent for Itself and Morgan Bank of Canada (The "Agent") Whereas by the Amended and Restated Loan Agreement Dated October 2, 1991 as Amended by Agreements Dated December 31, 1991; March 2, 1992; April 29, 1992; May 29, 1992; June 12, 1992; and May 10, 1993 (Collectively, the "Loan Agreement") Wainoco Covenanted and Agreed With Bank of Montreal and Morgan Bank of Canada That, Inter Alia, the Ratio of Wainoco's EBITDA to Interest Charges on Debt, Each for the Immediately Preceding Four Fiscal Quarters Taken as a Whole, Shall Exceed 1.85:1 at All Times Prior to January 1, 1994; and Whereas the Ratio of Wainoco's EBITDA to Interest Charges on Debt Did Not Exceed 1.85:1 for the Four Fiscal Quarters Immediately Preceding September 30, 1993 Taken as a Whole; and Whereas the Agent Wishes to Waive the Failure of Wainoco to Maintain the Requisite Ratio of Wainoco's EBITDA to Interest Charges on Debt for the Four Fiscal Quarters Immediately Preceding September 30, 1993 Taken as a Whole; the Agent Hereby Acknowledges That: 1 All Terms and Expressions Used Herein Shall Have the Meanings Ascribed Thereto in the Loan Agreement Unless the Context Specifies or Requires Otherwise. 2. the Agent Waives the Failure of Wainoco to Maintain the Ratio of Its EBITDA to Interest Charges on Debt for the Four Fiscal Quarters Immediately Preceding September 30, 1993 Taken as a Whole in Excess of 1.85:1. 3. Nothing Herein Shall Be Construed to Be a Waiver by the Agent of Any Other Default or Breach by Wainoco or in Respect of Any Other Fiscal Quarter. Dated This 10th Day of November, 1993. Bank of Montreal in Its Capacity as Agent for Itself and Morgan Bank of Canada Per: /S/ Robert Roberts

from 10-K 1 page Amended and Restated Loan Agreement Between Wainoco Oil Corporation and Bank of Montreal and Morgan Bank of Canada Amendment Letter August 12, 1993 Julie Edwards Vice President, Secretary, & Treasurer Wainoco Oil Corporation Citicorp Center 1200 Smith Street, St. 2100 Houston, Tx 77002-4367 Dear Julie: Reference Is Hereby Made to the Amended and Restated Loan Agreement Dated as of October 2, 1991 Between Wainoco Oil Corporation and Bank of Montreal and Morgan Bank of Canada as Amended From Time to Time (The "Agreement"). We Hereby Agree to Amend Section Section 14(d)(iii) ("EBITDA to Interest") in Its Entirety and Replacing the Same With the Following: "III. the Ratio of Wainoco's EBITDA to Interest Changes on Debt Shall: (A) for the Four (4) Fiscal Quarters Ending June 30, 1993 Taken as a Whole, Exceed 1 .83:1; and (B) for the Immediately Preceding Four (4) Fiscal Quarters Taken as a Whole, Exceed 1.85:1 at All Times Prior to January 1, 1994 Other Than as Described in Subsection 14(d)(iii)(a) Above ." Bank of Montreal Morgan Bank of Canada /S/ Robert L. Roberts /S/ Stephen B. King Director Vice President Acknowledged: /S/ Julie Edwards Vice President and Treasurer Wainoco Oil Corporation