Willbros Group, Inc.\NEW\ Watch

from 10-Q 343 pages Section Sesixth Amendment Dated as of November 6, 2017 (This “Amendment”), to the Credit Agreement Dated as of December 15, 2014 (As Amended by That Certain First Amendment Dated as of March 31, 2015, That Certain Second Amendment Dated as of September 28, 2015, That Certain Resignation of Administrative Agent and Appointment of Administrative Agent Agreement Dated as of February 4, 2016, That Certain Third Amendment Dated as of March 1, 2016, That Certain Fourth Amendment Dated as of July 26, 2016 and That Certain Fifth Amendment Dated as of March 3, 2017, the “Credit Agreement”), Among Willbros Group, Inc., a Delaware Corporation (The “Borrower”), the Guarantors From Time to Time Party Thereto, the Lenders From Time to Time Party Thereto and Cortland Capital Market Services LLC, as Administrative Agent (In Such Capacity, the “Administrative Agent”). Whereas, the Loan Parties, the Administrative Agent and the Lenders Are Parties to the Credit Agreement

from 8-K 14 pages Fifth Amendment to Loan, Security and Guaranty Agreement

from 10-Q 13 pages Fifth Amendment Dated as of March 3, 2017 (This “Fifth Amendment”), to the Credit Agreement Dated as of December 15, 2014 (As Amended by That Certain First Amendment Dated as of March 31, 2015, That Certain Second Amendment Dated as of September 28, 2015, That Certain Resignation of Administrative Agent and Appointment of Administrative Agent Agreement Dated as of February 4, 2016, That Certain Third Amendment Dated as of March 1, 2016, That Certain Fourth Amendment Dated as of July 26, 2016, and as It May Be Further Amended, Amended and Restated, Supplemented or Otherwise Modified From Time to Time, the “Credit Agreement”), Among Willbros Group, Inc., a Delaware Corporation (The “Borrower”), the Guarantors From Time to Time Party Thereto, the Lenders From Time to Time Party Thereto, Kkr Credit Advisors (US) LLC, as Arranger (The “Arranger”), and Cortland Capital Market Services LLC, as Administrative Agent (In Such Capacity, the “Administrative Agent”). Whereas, the Loan Parties, the Administrative Agent and the Lenders Are Parties to the Credit Agreement, Pursuant to Which the Lenders Made Tranche B Loans to the Borrower

from 10-K 13 pages Fifth Amendment Dated as of March 3, 2017 (This “Fifth Amendment”), to the Credit Agreement Dated as of December 15, 2014 (As Amended by That Certain First Amendment Dated as of March 31, 2015, That Certain Second Amendment Dated as of September 28, 2015, That Certain Resignation of Administrative Agent and Appointment of Administrative Agent Agreement Dated as of February 4, 2016, That Certain Third Amendment Dated as of March 1, 2016, That Certain Fourth Amendment Dated as of July 26, 2016, and as It May Be Further Amended, Amended and Restated, Supplemented or Otherwise Modified From Time to Time, the “Credit Agreement”), Among Willbros Group, Inc., a Delaware Corporation (The “Borrower”), the Guarantors From Time to Time Party Thereto, the Lenders From Time to Time Party Thereto, Kkr Credit Advisors (US) LLC, as Arranger (The “Arranger”), and Cortland Capital Market Services LLC, as Administrative Agent (In Such Capacity, the “Administrative Agent”). Whereas, the Loan Parties, the Administrative Agent and the Lenders Are Parties to the Credit Agreement, Pursuant to Which the Lenders Made Tranche B Loans to the Borrower

from 10-K 12 pages Third Amendment Dated as of March 1, 2016 (This “Third Amendment”), to the Credit Agreement Dated as of December 15, 2014 (As Amended by That Certain First Amendment Dated as of March 31, 2015, That Certain Second Amendment Dated as of September 28, 2015, That Certain Resignation of Administrative Agent and Appointment of Administrative Agent Agreement Dated as of February 4, 2016, and as It May Be Further Amended, Amended and Restated, Supplemented or Otherwise Modified From Time to Time, the “Credit Agreement”), Among Willbros Group, Inc., a Delaware Corporation (The “Borrower”), the Guarantors From Time to Time Party Thereto, the Lenders From Time to Time Party Thereto, Kkr Credit Advisors (US) LLC, as Arranger (The “Arranger”), and Cortland Capital Market Services LLC, as Administrative Agent (In Such Capacity, the “Administrative Agent”). [[Nycorp:3583107v10:03/01/2016--]] Whereas, the Loan Parties, the Administrative Agent and the Lenders Are Parties to the Credit Agreement, Pursuant to Which the Lenders Made Tranche B Loans to the Borrower

from 8-K 30 pages Fourth Amendment to Loan, Security and Guaranty Agreement

from 8-K 247 pages Credit Agreement Dated as of December 15, 2014, Among Willbros Group, Inc., as Borrower, and Certain Subsidiaries Thereof, as Guarantors, the Lenders From Time to Time Party Hereto and Jpmorgan Chase Bank, N.A., as Administrative Agent Kkr Credit Advisors (US) LLC, as Sole Lead Arranger and Sole Bookrunner

from 8-K 23 pages Third Amendment to Loan, Security and Guaranty Agreement

from 10-Q 25 pages Waiver and Second Amendment to Loan, Security and Guaranty Agreement

from 10-Q 19 pages First Amendment to Loan, Security and Guaranty Agreement

from 10-Q 261 pages Loan, Security and Guaranty Agreement Dated as of August 7, 2013 Among Willbros United States Holdings, Inc., Bemis, LLC, Chapman Construction Co., L.P., Chapman Construction Management Co., Inc., Construction & Turnaround Services, L.L.C., Lineal Industries, Inc., Halpin Line Construction LLC, Hawkeye, LLC Premier Utility Services, LLC, Premier West Coast Services, Inc., Trafford Corporation, Utilx Corporation, Willbros Construction (U.S.), LLC, Willbros Construction California (U.S.), Inc., Willbros Downstream of Oklahoma, Inc., Willbros Downstream, LLC, Willbros Engineering California (U.S.), Inc., Willbros Engineers (U.S.), LLC, Willbros Engineers, LLC, Willbros Government Services (U.S.), LLC, Willbros Management Services, LLC, Willbros Project Services (U.S.), LLC and Willbros T&D Services, LLC, as U.S. Borrowers, Willbros Construction Services (Canada) L.P., as Canadian Borrower, and Willbros Group, Inc. and the Other Persons Party Hereto From Time to Time as Guarantors, Certain Financial Institutions, as Lenders, Bank of America, N.A., as Agent, Sole Lead Arranger and Sole Bookrunner and Capital One Leverage Finance Corp., as Syndication Agent

from 10-Q 219 pages Credit Agreement Dated as of August 7, 2013, Among Willbros Group, Inc. as Borrower, and Certain Subsidiaries Thereof, as Guarantors, the Lenders From Time to Time Party Hereto and Jpmorgan Chase Bank, N.A., as Administrative Agent J.P. Morgan Securities LLC, as Sole Lead Arranger and Sole Bookrunner

from 8-K 91 pages Amendment No. 2 to Credit Agreement

from 8-K 146 pages Amendment No. 1 to Credit Agreement

from 8-K 358 pages Credit Agreement Dated as of June 30, 2010, Among Willbros United States Holdings, Inc. as Borrower, Willbros Group, Inc. and Certain Subsidiaries Thereof, as Guarantors, the Lenders From Time to Time Party Hereto, Crédit Agricole Corporate and Investment Bank, as Administrative Agent, Collateral Agent, and Issuing Bank, Ubs Securities LLC, as Syndication Agent, and Natixis, the Bank of Nova Scotia and Capital One, N.A., as Co-Documentation Agents Crédit Agricole Corporate and Investment Bank, Revolving Credit Facility Sole Lead Arranger and Sole Bookrunner Crédit Agricole Corporate and Investment Bank and Ubs Securities LLC, Term Loan Facility Joint Lead Arrangers and Joint Bookrunners

from 8-K12B 4 pages Supplement No. 3 to Credit Agreement