FOURTH AMENDMENT TO CREDIT AGREEMENTCredit Agreement • December 16th, 2005 • Pioneer Drilling Co • Drilling oil & gas wells • Texas
Contract Type FiledDecember 16th, 2005 Company Industry JurisdictionTHIS FOURTH AMENDMENT TO CREDIT AGREEMENT (the “Fourth Amendment”) is entered into as of the 15th day of December, 2005, by and among PIONEER DRILLING SERVICES, LTD., a Texas limited partnership (“Borrower”); PIONEER DRILLING COMPANY, a Texas corporation; PDC MGMT. CO., a Texas corporation; PDC INVESTMENT CORP., a Delaware corporation; THE FROST NATIONAL BANK, a national banking association (in its individual capacity, “Frost Bank”), for itself, as Lender, as Lead Arranger, and as Agent for Lenders; ZIONS FIRST NATIONAL BANK, a national banking association, as Lender; and BANK OF SCOTLAND, a Scottish banking corporation acting through its New York Branch, as Lender.