1 EXHIBIT 10.2 SEVENTH AMENDMENT TO AMENDED AND RESTATED CREDIT AGREEMENT This Seventh Amendment to Amended and Restated Credit Agreement (this "Amendment") dated as of March 9, 1999 is among COSTILLA ENERGY, INC., a Delaware corporation (the...Credit Agreement • May 17th, 1999 • Costilla Energy Inc • Crude petroleum & natural gas • New York
1 EXHIBIT 10.1 EXECUTION COPY PURCHASE AND SALE AGREEMENT This Purchase and Sale Agreement is dated April 1, 1999 (the "Execution Date") and is by and among PIONEER NATURAL RESOURCES USA, INC. ("Pioneer USA"), PIONEER RESOURCES PRODUCING, L.P....Purchase and Sale Agreement • May 17th, 1999 • Costilla Energy Inc • Crude petroleum & natural gas • Texas
Exhibit 4.3 COSTILLA ENERGY, INC. 10 1/4% SENIOR NOTES DUE 2006 FIRST SUPPLEMENTAL INDENTURE Dated as of January 16, 1998Costilla Energy Inc • March 27th, 1998 • Crude petroleum & natural gas
W I T N E S S E T H:Stock Purchase Agreement • March 26th, 1997 • Costilla Energy Inc • Crude petroleum & natural gas • Pennsylvania
1 EXHIBIT 10.4 PURCHASE AND SALE AGREEMENTPurchase and Sale Agreement • May 17th, 1999 • Costilla Energy Inc • Crude petroleum & natural gas • Colorado
FIRST AMENDMENT TO AMENDED AND RESTATED CREDIT AGREEMENTCredit Agreement • May 15th, 1998 • Costilla Energy Inc • Crude petroleum & natural gas • New York
EXHIBIT 10.2 TENTH AMENDMENT TO AMENDED AND RESTATED CREDIT AGREEMENT This Tenth Amendment to Amended and Restated Credit Agreement (this "Amendment") dated as of May 27, 1999 is among COSTILLA ENERGY, INC., a Delaware corporation (the "Borrower"),...Credit Agreement • August 16th, 1999 • Costilla Energy Inc • Crude petroleum & natural gas • New York
R E C I T A L SEmployment Agreement • March 27th, 1998 • Costilla Energy Inc • Crude petroleum & natural gas
EXHIBIT 10.1 TWELFTH AMENDMENT TO AMENDED AND RESTATED CREDIT AGREEMENT This Twelfth Amendment to Amended and Restated Credit Agreement (this "Amendment") dated as of August 16, 1999 is among COSTILLA ENERGY, INC., a Delaware corporation (the...Credit Agreement • November 15th, 1999 • Costilla Energy Inc • Crude petroleum & natural gas • New York
1 EXHIBIT 10.1 NINTH AMENDMENT TO AMENDED AND RESTATED CREDIT AGREEMENT This Ninth Amendment to Amended and Restated Credit Agreement (this "Amendment") dated as of May 12, 1999 is among COSTILLA ENERGY, INC., a Delaware corporation (the "Borrower"),...Credit Agreement • August 16th, 1999 • Costilla Energy Inc • Crude petroleum & natural gas • New York
3 4 its terms (assuming the due authorization, execution and delivery by the Trustee), will have been duly executed and delivered and will constitute a valid and legally binding agreement of the Company, enforceable against the Company in accordance...Costilla Energy Inc • March 27th, 1998 • Crude petroleum & natural gas • New York
EXHIBIT 10.3 ELEVENTH AMENDMENT TO AMENDED AND RESTATED CREDIT AGREEMENT This Eleventh Amendment to Amended and Restated Credit Agreement (this "Amendment") dated as of June 17, 1999 is among COSTILLA ENERGY, INC., a Delaware corporation (the...Credit Agreement • August 16th, 1999 • Costilla Energy Inc • Crude petroleum & natural gas • New York
R E C I T A L SEmployment Agreement • March 27th, 1998 • Costilla Energy Inc • Crude petroleum & natural gas
2- 3 IN WITNESS WHEREOF, the parties hereto have caused this Amendment to be executed by its officers thereunto duly authorized as of the date first above written.Credit Agreement • August 12th, 1998 • Costilla Energy Inc • Crude petroleum & natural gas • New York
TRANSFER OF THIS GLOBAL NOTE SHALL BE LIMITED TO TRANSFERS IN WHOLE, AND NOT IN PART, TO NOMINEES OF THE DEPOSITORY TRUST COMPANY OR TO A SUCCESSOR THEREOF OR SUCH SUCCESSOR'S NOMINEE AND TRANSFERS OF INTERESTS IN THIS GLOBAL NOTE SHALL BE LIMITED TO...Costilla Energy Inc • March 27th, 1998 • Crude petroleum & natural gas • New York
SECTION 1. CERTAIN DEFINITIONS AND TERMS.Registration Rights Agreement • August 12th, 1998 • Costilla Energy Inc • Crude petroleum & natural gas • Texas
1 Exhibit 10.17 REGISTRATION RIGHTS AGREEMENT Dated as of January 16, 1998Registration Rights Agreement • March 27th, 1998 • Costilla Energy Inc • Crude petroleum & natural gas • New York
WITNESSETH:Option to Purchase Agreement • April 15th, 1999 • Costilla Energy Inc • Crude petroleum & natural gas • Texas
1 EXHIBIT 99.1 ASSET PURCHASE AGREEMENTAsset Purchase Agreement • June 22nd, 2000 • Costilla Energy Inc • Crude petroleum & natural gas • Texas
EXHIBIT 10.1 AMENDED AND RESTATED CREDIT AGREEMENT COSTILLA ENERGY, INC., AS THE BORROWER, THE BANKS NAMED HEREIN,Credit Agreement • November 12th, 1997 • Costilla Energy Inc • Crude petroleum & natural gas • Texas
I. DEFINITIONSAcquisition and Exploration Agreement • November 12th, 1997 • Costilla Energy Inc • Crude petroleum & natural gas • Texas
December 18, 1996Costilla Energy Inc • March 26th, 1997 • Crude petroleum & natural gas • Texas
EXHIBIT 10.2 ACQUISITION CREDIT AGREEMENT COSTILLA ENERGY, INC., AS THE BORROWER, THE BANKS NAMED HEREIN,Acquisition Credit Agreement • November 12th, 1997 • Costilla Energy Inc • Crude petroleum & natural gas • Texas
