Common use of EFFECTIVE DATE, TERMINATION, AND RENEWAL Clause in Contracts

EFFECTIVE DATE, TERMINATION, AND RENEWAL. 18.1 This Agreement shall become effective on the First day of May, A.D. 2018. Business Mgr. Business Mgr. Local Union 115 Local Union 955 Business Mgr. Business Mgr. Local Union 870 Local Union 987 Business Mgr. Business Mgr. Local Union 793 Local Union 942 Business Mgr. Business Mgr. Local Union 946 Local Union 721 Business Mgr. Local Union 904 The Pipe Line Contractors Association of Canada represents as agent for collective bargaining with the International Union of Operating Engineers the following Employers of employees in the pipeline construction industry within Canada in accordance with applicable legislation: 344312 Alberta Ltd. ▇▇▇▇▇▇ ▇▇▇▇▇▇▇ Ltd. 513356 N.B. Ltd. ▇▇▇▇▇▇ ▇▇▇▇▇▇▇ Ltd. Abco Supply & Service Ltd. Accu-Ram Services Limited Advanced Hydro-Vac Corporation Aecon Civil & Utilities Alberta Mobile Air Compression Services Alberta Oilfield Services Ltd. All-Ways Boring Ltd. Alta North Pipeline Concrete Products Ltd. Amalgamated Crane Services Inc. Antagon Pipelines Company Ltd. ▇▇▇▇▇▇ & ▇▇▇▇▇▇▇ Oilfield Badger Daylighting Inc. Badry Enterprises Ltd. Baldy's Heavy Equipment Repairs ▇▇▇▇▇▇▇▇ Majestic Inc. ▇▇▇▇▇▇▇▇ Pipeline Construction Company ▇▇▇▇▇▇▇▇ Pipelines Inc. Beaver Pipeline Construction Limited Bechtel Canada Limited ▇▇▇▇ Location Clearing Ltd. ▇▇▇▇ Oilfield Services Ltd. BFC Industrial - Nicholls ▇▇▇▇▇▇ BFC Pipelines BFC Utilities Big Eagle Contracting Inc. Bolder Concrete Ltd. C.S.I. Hydrostatic Testers Calgary Tunnelling & Horizontal Auguring Ltd. Canadian Subaqueous Pipelines Ltd. Can-Alaska Developments Ltd. Canapipe Construction Ltd. Carbrook Contracting Ltd. Carmax Truck Lines Ltd. Cedar Mechanical Co. Ltd. Chinook Construction & Engineering Ltd. Cliffside Pipelayers Ltd. Commercial Resins of Canada Ltd. Consamar Inc. Consbec Inc. Continental Electric Ltd. Coolsaet Pipeline Ltd. ▇▇▇▇▇▇ Construction Ltd. ▇▇▇▇▇▇▇▇▇▇ Construction Ltd. ▇▇▇▇▇▇▇▇▇▇ Corporation Canada Ltd. Domex Pipe Line Inc. Dresser Industries Inc. - Dresser Titan ▇▇▇▇▇ Engineering and Construction Limited Eveready Industrial Services Limited FPC Construction Flint Construction (1970) Ltd. Formac Pumping Services Limited GCL Inc. Geleman Enterprises Ltd. Genstar Construction Limited Global Air Drilling Services Ltd. ▇.▇. ▇▇▇▇ Contractors Ltd. H.B. Contracting Ltd.

EFFECTIVE DATE, TERMINATION, AND RENEWAL. 18.1 19.1 This Agreement shall become effective on the First day of May, A.D. 20182013 and shall continue in full force and effect until the 30th day of April, A.D. 2018 and thereafter from year to year unless terminated upon written notice of either party within one hundred and twenty (120) days prior to any anniversary of the terminal date. 19.2 Either Party to this Agreement may, no more than one hundred and twenty (120) days prior to the terminal date, request the other Party to commence collective bargaining. Business MgrSuch notice to be given by registered mail. 19.3 If notice to negotiate has been given by either Party, this Agreement shall remain in force and effect during any period of negotiation in accordance with established legislative and/or governmental authority. 19.4 Nothing contained herein shall prevent the Parties agreeing to retroactivity. Business Mgr. Local Union 115 Local Union 955 Business Mgr. Business Mgr. Local Union 870 Local Union 987 Business Mgr. Business Mgr. Local Union 793 Local Union 942 Business Mgr. Business Mgr. Local Union 946 Local Union 721 Business Mgr. Local Union 904 2013/2018 - 34 - LA-M The Pipe Line Contractors Association of Canada represents as agent for collective bargaining with the Laborers International Union of Operating Engineers North America the following Employers of employees in the pipeline construction industry within Canada in accordance with applicable legislation: 344312 Alberta Ltd. ▇▇▇▇▇▇ ▇▇▇▇▇▇▇ Ltd. 513356 N.B. Ltd. ▇▇▇▇▇▇ ▇▇▇▇▇▇▇ Ltd. By Registration: Abco Supply & Service Ltd. Accu-Ram Services Limited Advanced Hydro-Vac Corporation Aecon Civil & Utilities Alberta Mobile Air Compression Services Alberta Oilfield Services Ltd. All-Ways Boring Pipe Transport Ltd. Alta North Pipeline Concrete Products Ltd. Amalgamated Crane Services Inc. Antagon Pipelines Company Ltd. ▇▇▇▇▇▇ & ▇▇▇▇▇▇▇ Oilfield Badger Daylighting Atlantic Pipeline Resources Inc. Badry Enterprises Atlantic Underground Services Ltd. Baldy's Heavy Equipment Repairs ▇▇▇▇▇▇▇▇ Majestic Inc. ▇▇▇▇▇▇▇▇ Pipeline Construction Company ▇▇▇▇▇▇▇▇ Pipelines Inc. Beaver Pipeline Construction Limited Bechtel Canada Limited ▇▇▇▇ Location Clearing Ltd. ▇▇▇▇ Oilfield Services Ltd. BFC Industrial - Nicholls ▇▇▇▇▇▇ BFC Pipelines BFC Utilities Big Eagle Contracting Inc. Bolder Concrete Ltd. C.S.I. Hydrostatic Testers Calgary Tunnelling & Horizontal Auguring Ltd. Canadian Dredge and Dock Inc. Canadian Subaqueous Pipelines Ltd. Can-Alaska Developments Ltd. Canapipe Construction Ltd. Carbrook Contracting Ltd. Carmax Truck Lines Ltd. Cedar Mechanical Co. Ltd. Chinook Construction & Engineering Ltd. Cliffside Pipelayers Ltd. Commercial Resins of Canada Ltd. Consamar Inc. Consbec Inc. Continental Electric Ltd. Coolsaet Pipeline Ltd. Conweigh Incorporated ▇.▇. ▇▇▇▇▇▇▇▇ of Canada Ltd. Coolsaet Pipeline Ltd. Cope Construction and Contracting Inc. ▇.▇. ▇▇▇ & Son, Inc. Delta Catalytic Contractors Ltd. ▇▇▇▇▇▇▇▇▇▇ Construction Ltd. ▇▇▇▇▇▇▇▇▇▇ Corporation Canada Ltd. Domex Pipe Line Inc. 2013/2018 - 36 - LA-M Dresser Industries Inc. - Dresser Titan ▇▇▇▇▇ Engineering and Construction Limited EBC Pipeline Inc. Eveready Industrial Services Limited FPC Construction Flint Construction (19701980) Ltd. Formac Pumping Services Limited GCL Inc. Geleman Enterprises Ltd. Genstar Construction Limited Global Air Drilling Services Ltd. ▇.▇. ▇▇▇▇▇▇ Drillers Limited Henuset Bros. Ltd. Interpro Contractors Ltd. H.B. Contracting Jampa Pipeline Ltd.

EFFECTIVE DATE, TERMINATION, AND RENEWAL. 18.1 This Agreement shall become effective on the First first day of May, A.D. 20182013 and shall continue in full force and effect until the thirtieth day of April, A.D., 2018 or thereafter until renewed. Business MgrIn the absence of renewal this Agreement shall continue from year to year unless terminated upon written notice of either Party within one hundred and twenty (120) days prior to any anniversary of the terminal date. 18.2 Either Party to this Agreement may, no more than one hundred and twenty (120) days prior to the terminal date, request the other Party to commence collective bargaining. Business MgrSuch notice to be given by registered mail. 18.3 If notice to negotiate has been given by either Party, this Agreement shall remain in force and effect during any period of negotiations. Local Union 115 Local Union 955 Business Mgr. Business Mgr. Local Union 870 Local Union 987 Business Mgr. Business Mgr. Local Union 793 Local Union 942 Business Mgr. Business Mgr. Local Union 946 Local Union 721 Business Mgr. Local Union 904 The Pipe Line Contractors Association of Canada represents as agent for collective bargaining with the International Union of Operating Engineers Teamsters Canada the following Employers of employees in the pipeline construction industry within Canada in accordance with applicable legislation: 344312 Alberta Ltd. ▇▇▇▇▇▇ ▇▇▇▇▇▇▇ Ltd. 513356 N.B. Ltd. ▇▇▇▇▇▇ ▇▇▇▇▇▇▇ Ltd. Abco Supply & Service Ltd. Accu-Ram Services Limited Advanced Hydro-Vac Corporation By Registration: Aecon Civil & Utilities Alberta Mobile Air Compression Services Alberta Oilfield Services Ltd. All-Ways Boring Ltd. Alta North Pipeline Concrete Products Ltd. Amalgamated Crane Services Inc. Antagon Pipelines Company Ltd. ▇▇▇▇▇▇ & ▇▇▇▇▇▇▇ Oilfield Badger Daylighting Inc. Badry Enterprises Ltd. Baldy's Heavy Equipment Repairs ▇▇▇▇▇▇▇▇ Majestic Inc. ▇▇▇▇▇▇▇▇ Pipeline Construction Company ▇▇▇▇▇▇▇▇ Pipelines Inc. Beaver Pipeline Construction Limited Bechtel Canada Limited ▇▇▇▇ Location Clearing Ltd. ▇▇▇▇ Oilfield Services Ltd. BFC Industrial - Nicholls ▇▇▇▇▇▇ BFC Pipelines BFC Utilities Big Eagle Contracting Inc. Bolder Concrete Ltd. C.S.I. Hydrostatic Testers Calgary Tunnelling & Horizontal Auguring Ltd. Canadian Subaqueous Pipelines Ltd. Can-Alaska Developments Ltd. Canapipe Construction Ltd. Carbrook Contracting Ltd. Carmax Truck Lines Ltd. Carry-Rite Heavy Haulers Inc. Cedar Mechanical Co. Ltd. Chinook Construction & Engineering Ltd. Cliffside Pipelayers Ltd. Commercial Resins of Canada Ltd. Consamar Inc. Consbec Inc. Continental Electric Ltd. Conweigh Incorporated Coolsaet Pipeline Ltd. Coreydale Contracting Co. (Clipper Construction Limited) ▇▇▇▇▇▇▇ Construction Cartage & Float Inc. Dig Line Leasing Ltd. ▇▇Dilcon Constructors Ltd. Dresser Industries Inc. - Dresser Titan Div. ▇▇▇▇▇▇▇▇ Construction Piling Co. (1967) Ltd. ▇▇▇▇▇▇▇▇▇▇ Corporation Canada Ltd. Domex Pipe Line Inc. Dresser Industries Inc. - Dresser Titan ▇▇▇▇▇ Engineering and Construction Limited Eveready Industrial Services Limited FPC Construction First Machinery Movers Flint Construction (19701980) Ltd. Formac Pumping Services Limited GCL Inc. Geleman Enterprises Ltd. Genstar Construction Limited Global Air Drilling Services Ltd. ▇▇▇▇▇▇▇ Transport Ltd. Henuset Bros. Ltd. Insta-Con Company Ltd. Interpro Contractors Ltd. ▇.▇. ▇▇▇ & Sons, Inc. Junior Service & Repair Ltd. Kaps Transport Ltd. ▇▇▇▇▇ ▇▇▇▇▇ Trucking Kleysen Transport Ltd. Kordyban Transport (1980) Ltd. ▇▇▇▇▇▇ Pipestringing Ltd. LamSar Mechanical Contractors Ltd. ▇▇▇▇▇▇▇ Pipeline Hauling Ltd. Long Branch Contractors Ltd. Loram International Ltd. Lorenco Environmental Contractors Ltd. McCaws Drilling & Blasting Ltd. Majestic Contractors Limited Mak's Float Service Inc. Marine Pipeline Construction of Canada (1993) Marine Pipeline Construction of Canada Company MHG International Ltd. Mi-Pal Holdings Ltd. ▇▇▇▇▇▇▇▇ Pipe Stringing ▇. ▇. ▇▇▇▇▇ and Son National Caterers Ltd. Noceta Enterprises (1981) Ltd. Nor-Can Construction Ltd. Nor-Pipe Construction Limited North American Construction Ltd. Northern Construction Company Ltd. ▇.▇. ▇▇▇▇▇▇ Drillers Limited O.J. Pipelines Canada O.J. Pipelines Corp. Opron Construction Co. Ltd. Pan Cana Associated Contractors Ltd. H.B. Contracting Ltd.Pashco Blasting Ltd. ▇▇▇ ▇▇▇▇▇▇▇ Ltd. Pe Ben Industries Company Ltd. Pe Ben Pipelines (1979) Ltd. Pentzien Canada, Inc. Permanent Lafarge Pipe X Inc. Premay Pipeline Hauling Ltd. Premier ▇▇▇▇▇▇ J/V Premier Pipelines Inc.

EFFECTIVE DATE, TERMINATION, AND RENEWAL. 18.1 This Agreement shall become effective on effectiveon the First day of May, A.D. 2018and shall continue in U ! termination date, April thereafter from year to year unless terminated upon written notice of either Party within one hundred twenty (120) days prior to any anniversary of the terminal date. Business MgrEither Party to this Agreement may, no more than one hundred twenty (120) days prior to the terminal date, request the other Party to commence collective bargaining. Business MgrSuch notice to be given by registered mail. Local Union 115 Local Union 955 Business MgrIf notice to negotiate has been given by either Party, this Agreement shall remain in force and effect during any period of negotiations. Business Mgr. Local Union 870 Local Union 987 Business Mgr. Business Mgr. Local Union 793 Local Union 942 Business Mgr. Business Mgr. Local Union 946 Local Union 721 Business Mgr. Local Union 904 IN WHEREOF, we,the undersigned hereby attach hands and seals to this Agreement concluded at the City of in the Province of Ontario on the 3rd day of May, The Pipe Line Contractors Association of Canada represents as agent for collective bargaining with the International Union Brotherhood of Operating Engineers Teamsters the following Employers of employees in the pipeline construction industry within industrywithin Canada in accordance with applicable legislation: 344312 ALBERTA By Registration: Alberta Ltd. Mobile Air Compression Services North Pipeline Concrete Products Pipelines Company ▇▇▇▇▇▇▇▇ Pipelines Canada Limited Bolder Concrete Canadian Subaqueous Pipelines Contracting Lines Cedar Mechanical Co. Chinook Construction Engineering Pipelayers Inc. Inc. Continental Electric Incorporated of Canada Contracting Co. (Clipper Construction Limited) ▇▇▇ Sons, Inc. Cartage Float Inc. Dig Line Leasing Constructors Dresser Industries Inc. Dresser Titan Piling Co. (1967) Industrial Services Limited First Machinery Movers Flint Construction (1980) Pumping Services Limited Enterprises Construction Limited Global Air Drilling Services Transport Drillers Limited Bros. Company Contractors ▇▇▇▇▇▇▇▇▇ Company Limited Junior Service Repair Transport Transport Transport (1980) Pipestringing Mechanical Contractors Environmental Contractors Drilling Blasting Majestic Contractors Limited Float Service Inc. Marine Pipeline Construction of Canada (1993) International Mi-Pal Holdings Pipe Stringing Hydro-Test National Caterers Enterprises (1981) Nor-Can Construction Nor-Pipe Construction Limited North American Construction Northern Construction Company Pipelines Inc. Construction Co. Pan Associated Contractors Blasting ▇▇▇ ▇▇▇ Industries Company Ben Pipelines (1979) Canada, Inc. Permanent Concrete Pipeline Hauling Price of Canada Pipeline Inc. ▇▇▇ May Trucking and Excavating Contracting Son Company Limited Construction Clearing Heavy Haulers ▇▇▇▇▇▇ Co. Limited Construction Inc. Spillmaster Square M Construction Limited Stringtest Pipelines Inc. Pipeline Weights Supernal Welding and Consulting Transport Transportation Services Inc. True Test Pipeline Services Universal Pipe Line Enterprises Pipeline Construction Western Reclamation Services Whip-Line Crane Services and Petrochemical Services BRITISH COLUMBIA By Accreditation: Alberta Mobile Air Compression Services ▇▇▇▇▇▇▇▇ Pipelines Pipe Welding Limited Bolder Concrete Canadian Limited Canadian Subaqueous Pipelines Mechanical Contractors Chinook Construction Engineering Pipeline Construction Dresser Titan of Dresser Industries English Ideal Welders Contractors ▇▇▇▇▇▇ ▇▇▇▇▇ ▇▇▇▇▇▇▇ Pipeline Contractors International Majestic Contractors Limited Marine Pipeline Construction of Canada Limited ▇▇▇ Limited Northern Construction Company Blasting Ben Industries Company Permanent Concrete Price of Canada Price Welding Mechanical Industries By Appointment: ▇▇▇▇▇▇▇▇ Pipelines Bolder Concrete Cliffside Utility Contractors Inc. Continental Electric Incorporated of Canada Contracting Co. (Clipper Construction Limited) ▇▇▇ Son, Inc. Cartage Float Inc. Delta Catalytic Contractors Dig Line Leasing Piling Co. (1967) First Machinery Movers Pumping Services Limited Global Air Drilling Services Transport Drillers Limited Company ▇▇▇▇▇▇▇▇▇ Company Limited Transport Transport (1980) Mechanical Contractors Majestic Contractors Limited Float Service Inc. Marine Pipeline Construction of Canada (1993) Pipe Stringing National Caterers Pipelines Blasting Ben Industries Company Canada, Inc. Permanent Pipeline Hauling Pipeline Inc. Contracting Son Company Limited Heavy Haulers ▇▇▇▇▇▇ Co. Limited Construction Inc. Stringtest Pipelines Inc. Supernal Welding and Consulting Transportation Services Inc. Universal Pipe Line Enterprises By Appointment: ▇▇▇▇▇▇▇▇ Pipelines Bolder Concrete Cliffside Utility Contractors Inc. Continental Electric Incorporated of Canada ContractingCo. (Clipper Construction Limited) Cartage Float Inc. Dig Line Leasing Construction Piling Co. (1967) First Machinery Movers Pumping Services Limited Global Drilling Services Transport Drillers Limited Company ▇▇▇▇▇▇▇▇▇ Company Limited Transport (1980) Pipestringing Mechanical Contractors Equipment Majestic Contractors Limited Float Service Inc. Marine Pipeline Construction of Canada (1993) Pipe Stringing National Caterers Nor-Pipe Construction Limited Pipelines Inc. Blasting Ben Industries Company Ben Pipelines (1979) Canada, Inc. Permanent Concrete Pipeline Hauling Pipeline Inc. Contracting Son Company Limited Heavy Haulers ▇▇▇▇▇▇ Co. Limited Construction Inc. Spillmaster Stringtest Pipelines Inc. Supernal Welding and Consulting Transportation Services Inc. True Test Pipeline Services Universal Pipe Line Enterprises By Accreditation: Alberta Mobile Air Compression Services Pipelines Company ▇▇▇▇▇▇▇▇ Pipelines Canada Limited Beaver Pipeline Construction Limited Bolder Concrete ▇▇▇▇ Limited Canadian Subaqueous Pipelines Pipeline ▇▇▇▇▇▇ Hydrostatic Testers Utility Contractors Inc Inc. . Continental Electric Incorporated of Canada Contracting Co. (Clipper Construction Limited) ▇▇▇ Son, Inc. Cartage Float Inc. Custom Concrete (Northern) of The Company Limited Dig Line Leasing Construction ▇▇▇ ▇▇▇▇▇▇▇▇ Haulage Piling Co. (1967) ▇▇▇▇▇▇ First Machinery Movers Pumping Services Limited General Pipeline Contractors Limited Global Air Drilling Services Transport Contracting Drillers Limited Huron Pipelines Limited Company Inter-Provincial Construction Limited ▇▇▇▇▇▇▇▇▇ Company Limited ▇▇▇▇▇-▇▇▇▇▇▇▇ Canada Limited Transport Transport (1980) Pipestringing Mechanical Contractors International Drilling Blasting Majestic Contractors Limited Float Service Inc. Co. Marine Pipeline Construction of Canada (1993) Pipeline Limited Limited Pipe Stringing Hydro-Test Cove National Caterers Associates Limited Nor Building Enterprises Nor-Pipe ConstructionLimited Northern Construction Company Pipelines Associated Contractors Blasting Ben Industries Company Ben Pipelines (1979) Canada, Inc. Permanent Phil's Haulage Excavating Pipeline Hauling Premier ▇▇▇▇▇▇ A Joint Venture Premier Pipelines Limited Price of Canada Crane Leasing ▇▇▇▇▇▇ Enterprises Pipeline Inc. Contracting Son Company Limited Heavy Haulers Welding Limited ▇▇▇▇▇▇ Co. Limited Construction Inc. Spillmaster Stringtest Pipelines Inc. Superior Pipeline Contractors Supernal Welding and Consulting Transportation Services Inc. True Test Pipeline Services Universal Pipe Line Enterprises ▇▇▇▇ Pipeline Contractors ▇▇▇▇▇▇ Oilfield Hauling ▇▇▇▇▇▇▇▇ Pressure Service ▇▇▇▇▇ ▇▇▇▇▇ York Excavating (939971 Ontario By Accreditation: ▇▇▇▇▇▇▇▇ Pipelines Bolder Concrete Cliffside Utility Contractors Inc. Continental Electric Incorporated of Canada Dig Line Leasing Air Drilling Services Drillers Limited ▇▇▇▇▇▇▇▇▇ Company Limited Mechanical Contractors Majestic Contractors Limited Marine Pipeline Construction of Canada (1993) Stringing National Caterers Pipelines Blasting Ben Industries Company Canada, Inc. Permanent Pipeline Hauling Pipeline Inc. Contracting Son Company Limited Heavy Haulers ▇▇▇▇▇▇ Co. Limited Construction Inc. Spillmaster Stringtest Pipelines Inc. Supernal Welding and Consulting Universal Pipe Line Enterprises SCHEDULEB INTERNATIONALBROTHERHOOD OF TEAMSTERS Louisiana Ave. Washington, LOUIS International Director Teamsters Canada (514) ▇▇▇▇▇▇▇, Quebec HIP Fax: (514) Matheson Ontario (905) ▇▇▇▇▇▇▇ ▇▇▇▇▇▇▇, Director of Construction Fax: (416) (416) Dublin Ave., Winnipeg, Manitoba (204) Fax: (204) Assistant to the Canadian Director E. Broadway, Vancouver, (604) Fax: (604) ED Secretay-Treasurer East Broadway, Vancouver, (604) Fax: (604) Avenue Calgary, Alberta (403) Fax: (403) Local Saskatchewan RAY Secretary-Treasurer Regina, (306) Fax: (306) (204) Fax: (204) ▇▇▇▇▇▇▇, ▇▇▇▇▇▇, New Brunswick, Assistant to the Canadian Director (416) Fax: (416) ANDRE President ▇▇▇ Ltd. 513356 N.B. Ltd. (613) io Fax: (613) Local London (519) Fax: (519) Fax: (416) Secretary-Treasurer Nugget Avenue, Suite Scarborough, (416) ▇▇▇▇▇▇ President Street, Hamilton, Ontario (416) Fax: (416) Hawthorne Windsor, Ontario (519) Fax: (519) ▇▇▇▇ Secretary-Treasurer Bay Street, Thunder Bay Ontario (807) Fax: (807) de Montreal, Quebec (514) ▇▇▇▇▇▇ ▇▇▇▇▇▇▇ Ltd. Abco Supply & Service Ltd. Accu-Ram Services Limited Advanced Hydro-Vac Corporation Aecon Civil & Utilities Alberta Mobile Air Compression Services Alberta Oilfield Services Ltd. All-Ways Boring Ltd. Alta North Pipeline Concrete Products Ltd. Amalgamated Crane Services Inc. Antagon Pipelines Company Ltd. ▇▇▇▇▇▇ & ▇▇▇▇▇▇▇ Oilfield Badger Daylighting Inc. Badry Enterprises Ltd. Baldy's Heavy Equipment Repairs ▇▇▇▇▇▇▇▇ Majestic Inc. ▇▇▇▇▇▇▇▇ Pipeline Construction Company ▇▇▇▇▇▇▇▇ Pipelines Inc. Beaver Pipeline Construction Limited Bechtel Canada Limited ▇▇▇▇ Location Clearing Ltd. ▇▇▇▇ Oilfield Services Ltd. BFC Industrial - Nicholls ▇▇▇▇▇▇ BFC Pipelines BFC Utilities Big Eagle Contracting Inc. Bolder Concrete Ltd. C.S.I. Hydrostatic Testers Calgary Tunnelling & Horizontal Auguring Ltd. Canadian Subaqueous Pipelines Ltd. Can-Alaska Developments Ltd. Canapipe Construction Ltd. Carbrook Contracting Ltd. Carmax Truck Lines Ltd. Cedar Mechanical Co. Ltd. Chinook Construction & Engineering Ltd. Cliffside Pipelayers Ltd. Commercial Resins of Canada Ltd. Consamar Inc. Consbec Inc. Continental Electric Ltd. Coolsaet Pipeline Ltd. ▇▇▇▇▇▇ Construction Ltd. ▇, President Dutch Village Halifax, (902) Fax: (902) ▇▇▇▇▇▇▇▇▇ Construction Ltd. ▇▇▇▇▇▇▇▇▇▇ Corporation Canada Ltd. Domex Pipe Line Inc. Dresser Industries Inc. - Dresser Titan ▇▇▇▇▇ Engineering and Construction Limited Eveready Industrial Services Limited FPC Construction Flint Construction President Box John's (1970709) Ltd. Formac Pumping Services Limited GCL Inc. Geleman Enterprises Ltd. Genstar Construction Limited Global Air Drilling Services Ltd. ▇.▇. ▇▇▇▇ Contractors Ltd. H.B. Contracting Ltd.Fax: (709)

EFFECTIVE DATE, TERMINATION, AND RENEWAL. 18.1 This Agreement shall become effective on the First first day of May, A.D. 20182018 and shall continue in full force and effect until the thirtieth day of April, A.D., 2023 or thereafter until renewed. Business MgrIn the absence of renewal this Agreement shall continue from year to year unless terminated upon written notice of either Party within one hundred and twenty (120) days prior to any anniversary of the terminal date. 18.2 Either Party to this Agreement may, no more than one hundred and twenty (120) days prior to the terminal date, request the other Party to commence collective bargaining. Business MgrSuch notice to be given by registered mail. 18.3 If notice to negotiate has been given by either Party, this Agreement shall remain in force and effect during any period of negotiations. Local Union 115 Local Union 955 Business Mgr. Business Mgr. Local Union 870 Local Union 987 Business Mgr. Business Mgr. Local Union 793 Local Union 942 Business Mgr. Business Mgr. Local Union 946 Local Union 721 Business Mgr. Local Union 904 The Pipe Line Contractors Association of Canada represents as agent for collective bargaining with the International Union of Operating Engineers Teamsters Canada the following Employers of employees in the pipeline construction industry within Canada in accordance with applicable legislation: 344312 Alberta Ltd. ▇▇▇▇▇▇ ▇▇▇▇▇▇▇ Ltd. 513356 N.B. Ltd. ▇▇▇▇▇▇ ▇▇▇▇▇▇▇ Ltd. Abco Supply & Service Ltd. Accu-Ram Services Limited Advanced Hydro-Vac Corporation By Registration: Aecon Civil & Utilities Alberta Mobile Air Compression Services Alberta Oilfield Services Ltd. All-Ways Boring Ltd. Alta North Pipeline Concrete Products Ltd. Amalgamated Crane Services Inc. Antagon Pipelines Company Ltd. ▇▇▇▇▇▇ & ▇▇▇▇▇▇▇ Oilfield Badger Daylighting Inc. Badry Enterprises Ltd. Baldy's Heavy Equipment Repairs ▇▇▇▇▇▇▇▇ Majestic Inc. ▇▇▇▇▇▇▇▇ Pipeline Construction Company ▇▇▇▇▇▇▇▇ Pipelines Inc. Beaver Pipeline Construction Limited Bechtel Canada Limited ▇▇▇▇ Location Clearing Ltd. ▇▇▇▇ Oilfield Services Ltd. BFC Industrial - Nicholls ▇▇▇▇▇▇ BFC Pipelines BFC Utilities Big Eagle Contracting Inc. Bolder Concrete Ltd. C.S.I. Hydrostatic Testers Calgary Tunnelling & Horizontal Auguring Ltd. Canadian Subaqueous Pipelines Ltd. Can-Alaska Developments Ltd. Canapipe Construction Ltd. Carbrook Contracting Ltd. Carmax Truck Lines Ltd. Carry-Rite Heavy Haulers Inc. Cedar Mechanical Co. Ltd. Chinook Construction & Engineering Ltd. Cliffside Pipelayers Ltd. Commercial Resins of Canada Ltd. Consamar Inc. Consbec Inc. Continental Electric Ltd. Conweigh Incorporated Coolsaet Pipeline Ltd. Coreydale Contracting Co. (Clipper Construction Limited) ▇▇▇▇▇▇▇ Construction Cartage & Float Inc. Dig Line Leasing Ltd. ▇▇Dilcon Constructors Ltd. Dresser Industries Inc. - Dresser Titan Div. ▇▇▇▇▇▇▇▇ Construction Piling Co. (1967) Ltd. ▇▇▇▇▇▇▇▇▇▇ Corporation Canada Ltd. Domex Pipe Line Inc. Dresser Industries Inc. - Dresser Titan ▇▇▇▇▇ Engineering and Construction Limited Eveready Industrial Services Limited FPC Construction First Machinery Movers Flint Construction (19701980) Ltd. Formac Pumping Services Limited GCL Inc. Geleman Enterprises Ltd. Genstar Construction Limited Global Air Drilling Services Ltd. ▇▇▇▇▇▇▇ Transport Ltd. Henuset Bros. Ltd. Insta-Con Company Ltd. Interpro Contractors Ltd. ▇.▇. ▇▇▇ & Sons, Inc. Junior Service & Repair Ltd. Kaps Transport Ltd. ▇▇▇▇▇ ▇▇▇▇▇ Trucking Kleysen Transport Ltd. Kordyban Transport (1980) Ltd. ▇▇▇▇▇▇ Pipestringing Ltd. LamSar Mechanical Contractors Ltd. ▇▇▇▇▇▇▇ Pipeline Hauling Ltd. Long Branch Contractors Ltd. Loram International Ltd. Lorenco Environmental Contractors Ltd. McCaws Drilling & Blasting Ltd. Majestic Contractors Limited Mak's Float Service Inc. Marine Pipeline Construction of Canada (1993) Marine Pipeline Construction of Canada Company MHG International Ltd. Mi-Pal Holdings Ltd. ▇▇▇▇▇▇▇▇ Pipe Stringing ▇. ▇. ▇▇▇▇▇ and Son National Caterers Ltd. Noceta Enterprises (1981) Ltd. Nor-Can Construction Ltd. Nor-Pipe Construction Limited North American Construction Ltd. Northern Construction Company Ltd. ▇.▇. ▇▇▇▇▇▇ Drillers Limited O.J. Pipelines Canada O.J. Pipelines Corp. Opron Construction Co. Ltd. Pan Cana Associated Contractors Ltd. H.B. Contracting Ltd.Pashco Blasting Ltd. ▇▇▇ ▇▇▇▇▇▇▇ Ltd. Pe Ben Industries Company Ltd. Pe Ben Pipelines (1979) Ltd. Pentzien Canada, Inc. Permanent Lafarge Pipe X Inc. Premay Pipeline Hauling Ltd. Premier ▇▇▇▇▇▇ J/V Premier Pipelines Inc.

EFFECTIVE DATE, TERMINATION, AND RENEWAL. 18.1 19.1 This Agreement shall become effective on the First first day of May, A.D. 2018AD., 2013, and shall continue in full force and effect until the thirtieth day of April, AD., 2016 and thereafter from year to year unless terminated upon written notice of either Party within one hundred twenty (120) days prior to any anniversary of the terminal date. 19.2 Either Party to this Agreement may, no more than one hundred twenty (120) days prior to the terminal date, request the other Party to commence collective bargaining. Business MgrSuch notice to be given by registered mail. 19.3 If notice to negotiate has been given by either Party, this Agreement shall remain in force and effect during any period of negotiation in accordance with established legislative and/or governmental authority. 19.4 Nothing contained herein shall prevent the Parties agreeing to retroactivity. Business Mgr. Local Union 115 Local Union 955 Business Mgr. Business Mgr. Local Union 870 Local Union 987 Business Mgr. Business Mgr. Local Union 793 Local Union 942 Business Mgr. Business Mgr. Local Union 946 Local Union 721 Business Mgr. Local Union 904 The Pipe Line Contractors Association of Canada represents as agent for collective bargaining with the International Union United Association of Operating Engineers Journeymen and Apprentices of the United States and Canada the following Employers of employees in the pipeline construction industry within Canada in accordance with the applicable legislation: 344312 Alberta Ltd. ▇▇▇▇▇▇ ▇▇▇▇▇▇▇ Ltd. 513356 N.B. Ltd. ▇▇▇▇▇▇ ▇▇▇▇▇▇▇ Ltd. By Registration: Abco Supply & Service Ltd. Accu-Ram Services Limited Advanced Hydro-Vac Corporation Aecon Civil & Utilities Alberta Mobile Air Compression Services Alberta Oilfield Services Ltd. All-Ways Boring Ltd. Alta North Pipeline Concrete Products Ltd. Amalgamated Crane Services Inc. Antagon Pipelines Company Ltd. A. S.A. Construction Ltd. ▇▇▇▇▇▇ & ▇▇▇▇▇▇▇ Oilfield Badger Daylighting Atlantic Pipeline Resources Inc. Badry Enterprises Ltd. Baldy's Heavy Equipment Repairs ▇▇▇▇▇▇▇▇ Majestic Inc. ▇▇▇▇▇▇▇▇ Pipeline Construction Company ▇▇▇▇▇▇▇▇ Pipelines Inc. Beaver Pipeline Construction Limited Bechtel Canada Limited ▇▇▇▇ Location Clearing Ltd. ▇▇▇▇ Oilfield Services Ltd. BFC Industrial - Nicholls ▇▇▇▇▇▇ BFC Pipelines BFC Utilities Big Eagle Contracting Inc. Bolder Concrete Ltd. C.S.I. Hydrostatic Testers Calgary Tunnelling & Horizontal Auguring Ltd. Canadian Subaqueous Pipelines Ltd. Can-Alaska Developments Ltd. Canapipe Construction Ltd. Capco Environmental & Hydrostatic Testing Inc. Carbrook Contracting Ltd. Carmax Truck Lines Ltd. Cedar Mechanical Co. Ltd. Chancellor Industrial Construction Ltd. Chinook Construction & Engineering Ltd. Cliffside Pipelayers Ltd. Commercial Resins of Canada Ltd. Consamar Inc. Consbec Inc. Continental Electric Ltd. Coolsaet Pipeline Ltd. ▇▇▇▇▇▇ Construction Ltd. ▇▇▇▇▇▇▇▇▇▇ Construction Ltd. ▇▇▇▇▇▇▇▇▇▇ Corporation Canada Ltd. Domex Pipe Line Inc. Dresser Industries Inc. - Dresser Titan ▇▇▇▇▇ Engineering and Construction Limited Div. Dynasty Pipeline Ltd. Eveready Industrial Services Limited FPC Construction Flint Construction (1970) Energy Services Ltd. Formac Pumping Services Limited GCL Inc. Geleman Enterprises Ltd. Genstar Construction Limited Global Air Drilling Services Ltd. ▇.▇. ▇▇▇▇ Hat Pipeline Contractors Ltd. H.B. Contracting (2000) Ltd.

EFFECTIVE DATE, TERMINATION, AND RENEWAL. 18.1 This Agreement shall become effective on the First day of May, A.D. 2018and shall continue force a n - A A or thereafter until of renewal this Agreement shall continue from year to year unless terminated upon written notice of either party within one hundred and twenty days prior to any anniver- sary of the terminal date. Business MgrEither Party to this Agreement may, no more than one hundred and twenty days prior to the terminal date, request the other Party to commence collective bargaining. Business MgrSuch notice to be given by registered mail. Local Union 115 Local Union 955 Business MgrIf notice to negotiate has been given by either during any period of negotiations. Business MgrIN WITNESS WHEREOF, we, the undersigned hereby attach our hands and seals to this Agreement concluded at the City of Edmonton, in the Province of this day of May, PIPE LINE CONTRACTORS ASSOCIATION OF ▇▇▇▇, Chairman National Labour Relations Committee ▇▇▇▇▇, Executive Director INTERNATIONAL BROTHERHOOD OF TEAMSTERS, CHAUFFEURS, WAREHOUSEMEN, AND HELPERS OF AMERICA: International Director, Canadian Conference A. Director of Construction McDonald, International Representative ⚫ 📫 TM-M ▇▇▇▇▇▇▇ Pipeline Hauling Ltd. Long Branch Contractors Ltd. International Ltd. Environmental Contractors Ltd. Drilling Blasting Ltd. Contractors Limited Marine Pipeline Construction of Canada Limited International Ltd. Holdings Ltd. Ltd. National Caterers Ltd. Nor-Can Construction Ltd. Nor-Pipe Construction Limited North American Construction Ltd. Northern Construction Company Ltd. Pipelines Inc. Construction Co. Ltd. Pan Associated Contractors Ltd. Blasting Ltd. Pat Ltd. Ben Industries Company Ltd. Ben Pipelines Ltd. Canada, Inc. Permanent Concrete. Local Union 870 Local Union 987 Business Mgr. Business Mgr. Local Union 793 Local Union 942 Business Mgr. Business Mgr. Local Union 946 Local Union 721 Business Mgr. Local Union 904 The Pipeline Hauling Ltd. Price of Canada Ltd. Pipeline Inc. ▇▇▇ ▇▇▇ Trucking and Excavating Ltd. Contracting Ltd. Son Company Limited Construction Clearing Ltd. Heavy Haulers Ltd. ▇▇▇▇▇▇ Co. Limited Construction Inc. Square M Construction Limited Stringtest Pipelines Inc. Ltd. Supernal ‘Welding Consulting Ltd. Ltd. True Test Pipeline Services Pipe Line Enterprises Ltd. Pipeline Construction Ltd. Western Reclamation Services Whip-Line Crane Services Ltd. Petrochemical Services Ltd. ‘Alberta Mobile Air Compression ▇▇▇▇▇▇▇▇ Pipelines Ltd. Pipe Welding Limited Bolder Concrete Ltd. Canadian Limited Canadian Subaqueous Pipelines Ltd. Mechanical Contractors Association Ltd. Chinook Engineering Ltd. Pipeline Construction Ltd. Dresser Titan Div. of Canada represents as agent for collective bargaining with the International Union of Operating Engineers the following Employers of employees in the pipeline construction industry within Canada in accordance with applicable legislation: 344312 Alberta Dresser Industries English Ltd. Ideal Welders Ltd. Contractors Ltd. ▇▇▇▇▇▇ ▇▇▇▇▇ Ltd. ▇▇▇▇▇▇▇ Pipeline Contractors Ltd. 513356 N.B. International Ltd. Majestic Wiley Contractors Limited Marine Pipeline Construction of Canada Limited Pat Limited Northern Construction Company Blasting Ltd. Ben Industries Company Ltd. Permanent Concrete Price of Canada Ltd. Price Welding Mechanical Ltd. Industries Ltd. Contracting Ltd. Transport Ltd. By Appointment: ▇▇▇▇▇▇▇▇ Pipelines Ltd. Bolder Concrete Ltd. Cliffside Pipelayers Ltd. Marine Pipeline Construction of Canada Limited National Caterers Limited Nor-Pipe Construction Limited Pipelines Inc. Blasting Ltd. Ben Industries Company Ltd. Ben Pipelines Ltd. Canada, Inc. Permanent Concrete Pipeline Hauling Ltd. Pipeline Inc. Contracting Ltd. Son Company Limited Heavy Haulers Ltd. ▇▇▇▇▇▇ Co. Limited Stringtest Pipelines Inc. Supernal Welding and Consulting Ltd. True Test Pipeline Services Universal Pipe Line Enterprises Ltd. MANITOBA, NEWFOUNDLAND, NEW BRUNSWICK, NOVA SCOTIA, NORTHWEST TERRITORIES, ▇▇▇▇▇▇ ▇▇▇▇▇▇▇ Ltd. Abco Supply & Service Ltd. Accu-Ram Services Limited Advanced Hydro-Vac Corporation Aecon Civil & Utilities Alberta Mobile Air Compression Services Alberta Oilfield Services Ltd. All-Ways Boring Ltd. Alta North Pipeline Concrete Products Ltd. Amalgamated Crane Services Inc. Antagon Pipelines Company Ltd. ▇▇▇▇▇▇ & ▇▇▇▇▇▇▇ Oilfield Badger Daylighting Inc. Badry Enterprises Ltd. Baldy's Heavy Equipment Repairs ▇▇▇▇▇▇▇▇ Majestic Inc. ▇▇▇▇▇▇▇▇ Pipeline Construction Company ISLAND, SASKATCHEWAN, AND YUKON TERRITORY By Appointment: ▇▇▇▇▇▇▇▇ Pipelines Inc. Beaver Pipeline Construction Limited Bechtel Canada Limited ▇▇▇▇ Location Clearing Ltd. ▇▇▇▇ Oilfield Services Ltd. BFC Industrial - Nicholls ▇▇▇▇▇▇ BFC Pipelines BFC Utilities Big Eagle Contracting Inc. Bolder Concrete Ltd. C.S.I. Hydrostatic Testers Calgary Tunnelling & Horizontal Auguring Ltd. Canadian Subaqueous Pipelines Ltd. Can-Alaska Developments Ltd. Canapipe Construction Ltd. Carbrook Contracting Ltd. Carmax Truck Lines Ltd. Cedar Mechanical Co. Ltd. Chinook Construction & Engineering Ltd. Cliffside Pipelayers Ltd. Commercial Resins of Canada Ltd. Consamar Son, Inc. Consbec Inc. Continental Electric Ltd. Coolsaet Pipeline Ltd. ▇▇▇▇▇▇ Construction Ltd. ▇Pumping Services Limited Drillers Limited ▇▇▇▇▇▇▇▇▇ Company Limited Transport Ltd. Pipestringing Ltd. Majestic Contractors Limited Marine Pipeline Construction of Canada Limited National Caterers Ltd. Nor-Pipe Construction Limited Pipelines Inc. Blasting Ltd. Ben Industries Company Ltd. Ben Pipelines Ltd. Canada, Inc. ⚫ 📫 TM-M Pat Co. Cove Ltd. Ltd. National Caterers Ltd. Associates Limited Nor-Pipe Construction Limited Northern Construction Company Ltd. Pipelines Inc. Associated Contractors Ltd. Blasting Ltd. Ben Industries Company Ltd. , Canada, Inc. Permanent Concrete Pipeline Hauling Ltd. Premier Pipelines Limited Price of Canada Ltd. Pipeline Inc. Contracting Ltd. Son Company Limited Heavy Haulers Ltd. Welding Limited ▇▇▇▇▇▇ Co. Limited Construction Inc. Stringtest Pipelines Inc. Superior Pipeline Contractors Ltd. Supernal Welding and Consulting Ltd. True Test Pipeline Services Universal Pipe Line Enterprises Ltd. ▇▇▇▇ ▇▇▇▇ Pipeline Contractors Ltd. ▇▇▇▇▇▇ Ltd. Wiley Hauling Ltd. Pressure Service Ltd. TM-M . Assistant to the Canadian Director Broadway, Vancouver, B.C., . LOCAL British Columbia Yukon Territory East Broadway, Vancouver, B.C. LOCAL Alberta ▇▇▇▇▇ ▇▇▇▇▇▇▇▇, Secretary-Treasurer Avenue Calgary, LOCAL Saskatchewan ▇▇▇ Corporation Canada Ltd. Domex Pipe Line Inc. Dresser Industries Inc. - Dresser Titan Secretary-Treasurer Ottawa St., Regina, ▇▇▇▇▇▇▇ Engineering and Construction Limited Eveready Industrial Services Limited FPC Construction Flint Construction (1970) Ltd. Formac Pumping Services Limited GCL Inc. Geleman Enterprises Ltd. Genstar Construction Limited Global Air Drilling Services Ltd. LOCAL Ottawa ▇.▇▇▇▇▇ ▇▇▇▇▇, President , LOCAL London ▇▇▇ ▇. ▇▇▇▇▇▇▇, President Third St., London, LOCAL Toronto LOCAL ▇▇▇▇▇▇▇▇ Contractors Ltd. H.B. Contracting Ltd.▇▇▇▇▇▇ President LOCAL Windsor ▇▇▇ ▇▇▇▇▇▇▇, President LOCAL Winnipeg ▇▇▇▇▇ Secretary-Treasurer Dublin Ave., Winnipeg, Man. LOCAL Thunder Bay Secretary-Treasurer Bay St., Thunder Bay LOCAL Quebec FORGET, President LOCAL Nova Scotia and New Brunswick President Dutch Village Rd., Halifax, LOCAL Newfoundland ▇▇▇▇▇▇▇ President TEAMSTERS MAINLINE PIPELINE AGREEMENT FOR CANADA COLUMBIA AND YUKON TERRITORY

EFFECTIVE DATE, TERMINATION, AND RENEWAL. 18.1 19.1 This Agreement shall become effective on the First day of May, A.D. 20182013 and shall continue in full force and effect until the 30th day of April, A.D. 2018 and thereafter from year to year unless terminated upon written notice of either party within one hundred and twenty (120) days prior to any anniversary of the terminal date. 19.2 Either Party to this Agreement may, no more than one hundred and twenty (120) days prior to the terminal date, request the other Party to commence collective bargaining. Business MgrSuch notice to be given by registered mail. 19.3 If notice to negotiate has been given by either Party, this Agreement shall remain in force and effect during any period of negotiation in accordance with established legislative and/or governmental authority. 19.4 Nothing contained herein shall prevent the Parties agreeing to retroactivity. Business Mgr2013/2018 - 34 - LA-M IN WITNESS WHEREOF, we, the undersigned hereby attach our hands and seals to this Agreement concluded at the City of Mississauga in the Province of Ontario the 27th day of February, A.D., 2013. Local Union 115 Local Union 955 Business MgrPIPE LINE CONTRACTORS ASSOCIATION OF CANADA: ▇. Business Mgr▇. Local Union 870 Local Union 987 Business Mgr▇▇▇▇ N. G ▇▇▇▇ Chairman, National Labour Executive Director Relations Committee LABORERS INTERNATIONAL UNION OF NORTH AMERICA: ▇. Business Mgr▇▇▇▇▇▇▇▇▇▇, Vice President ▇. Local Union 793 Local Union 942 Business Mgr. Business Mgr. Local Union 946 Local Union 721 Business Mgr. Local Union 904 ▇▇▇▇▇▇ Regional Manager Manager, Western Central & Eastern Canada Canada Subregional Office ▇▇▇ ▇’▇▇▇▇▇▇▇▇ International Representative 2013/2018 - 35 - LA-M The Pipe Line Contractors Association of Canada represents as agent for collective bargaining with the Laborers International Union of Operating Engineers North America the following Employers of employees in the pipeline construction industry within Canada in accordance with applicable legislation: 344312 Alberta Ltd. ▇▇▇▇▇▇ ▇▇▇▇▇▇▇ Ltd. 513356 N.B. Ltd. ▇▇▇▇▇▇ ▇▇▇▇▇▇▇ Ltd. By Registration: Abco Supply & Service Ltd. Accu-Ram Services Limited Advanced Hydro-Vac Corporation Aecon Civil & Utilities Alberta Mobile Air Compression Services Alberta Oilfield Services Ltd. All-Ways Boring Pipe Transport Ltd. Alta North Pipeline Concrete Products Ltd. Amalgamated Crane Services Inc. Antagon Pipelines Company Ltd. ▇▇▇▇▇▇ & ▇▇▇▇▇▇▇ Oilfield Badger Daylighting Atlantic Pipeline Resources Inc. Badry Enterprises Atlantic Underground Services Ltd. Baldy's Heavy Equipment Repairs ▇▇▇▇▇▇▇▇ Majestic Inc. ▇▇▇▇▇▇▇▇ Pipeline Construction Company ▇▇▇▇▇▇▇▇ Pipelines Inc. Beaver Pipeline Construction Limited Bechtel Canada Limited ▇▇▇▇ Location Clearing Ltd. ▇▇▇▇ Oilfield Services Ltd. BFC Industrial - Nicholls ▇▇▇▇▇▇ BFC Pipelines BFC Utilities Big Eagle Contracting Inc. Bolder Concrete Ltd. C.S.I. Hydrostatic Testers Calgary Tunnelling & Horizontal Auguring Ltd. Canadian Dredge and Dock Inc. Canadian Subaqueous Pipelines Ltd. Can-Alaska Developments Ltd. Canapipe Construction Ltd. Carbrook Contracting Ltd. Carmax Truck Lines Ltd. Cedar Mechanical Co. Ltd. Chinook Construction & Engineering Ltd. Cliffside Pipelayers Ltd. Commercial Resins of Canada Ltd. Consamar Inc. Consbec Inc. Continental Electric Ltd. Coolsaet Pipeline Ltd. Conweigh Incorporated ▇.▇. ▇▇▇▇▇▇▇▇ of Canada Ltd. Coolsaet Pipeline Ltd. Cope Construction and Contracting Inc. ▇.▇. ▇▇▇ & Son, Inc. Delta Catalytic Contractors Ltd. ▇▇▇▇▇▇▇▇▇▇ Construction Ltd. ▇▇▇▇▇▇▇▇▇▇ Corporation Canada Ltd. Domex Pipe Line Inc. 2013/2018 - 36 - LA-M Dresser Industries Inc. - Dresser Titan ▇▇▇▇▇ Engineering and Construction Limited EBC Pipeline Inc. Eveready Industrial Services Limited FPC Construction Flint Construction (19701980) Ltd. Formac Pumping Services Limited GCL Inc. Geleman Enterprises Ltd. Genstar Construction Limited Global Air Drilling Services Ltd. ▇.▇. ▇▇▇▇▇▇ Drillers Limited Henuset Bros. Ltd. Interpro Contractors Ltd. H.B. Contracting Jampa Pipeline Ltd.

EFFECTIVE DATE, TERMINATION, AND RENEWAL. 18.1 19.1 This Agreement shall become effective on the First first day of May, A.D. 2018AD., 2013, and shall continue in full force and effect until the thirtieth day of April, AD., 2016 and thereafter from year to year unless terminated upon written notice of either Party within one hundred twenty (120) days prior to any anniversary of the terminal date. 19.2 Either Party to this Agreement may, no more than one hundred twenty (120) days prior to the terminal date, request the other Party to commence collective bargaining. Business MgrSuch notice to be given by registered mail. Business Mgr2013/2016 - 33 - UA-D 19.3 If notice to negotiate has been given by either Party, this Agreement shall remain in force and effect during any period of negotiation in accordance with established legislative and/or governmental authority. 19.4 Nothing contained herein shall prevent the Parties agreeing to retroactivity. Local Union 115 Local Union 955 Business Mgr. Business Mgr. Local Union 870 Local Union 987 Business Mgr. Business Mgr. Local Union 793 Local Union 942 Business Mgr. Business Mgr. Local Union 946 Local Union 721 Business Mgr. Local Union 904 2013/2016 - 34 - UA-D The Pipe Line Contractors Association of Canada represents as agent for collective bargaining with the International Union United Association of Operating Engineers Journeymen and Apprentices of the United States and Canada the following Employers of employees in the pipeline construction industry within Canada in accordance with the applicable legislation: 344312 Alberta Ltd. ▇▇▇▇▇▇ ▇▇▇▇▇▇▇ Ltd. 513356 N.B. Ltd. ▇▇▇▇▇▇ ▇▇▇▇▇▇▇ Ltd. By Registration: Abco Supply & Service Ltd. Accu-Ram Services Limited Advanced Hydro-Vac Corporation Aecon Civil & Utilities Alberta Mobile Air Compression Services Alberta Oilfield Services Ltd. All-Ways Boring Ltd. Alta North Pipeline Concrete Products Ltd. Amalgamated Crane Services Inc. Antagon Pipelines Company Ltd. A. S.A. Construction Ltd. ▇▇▇▇▇▇ & ▇▇▇▇▇▇▇ Oilfield Badger Daylighting Atlantic Pipeline Resources Inc. Badry Enterprises Ltd. Baldy's Heavy Equipment Repairs ▇▇▇▇▇▇▇▇ Majestic Inc. ▇▇▇▇▇▇▇▇ Pipeline Construction Company ▇▇▇▇▇▇▇▇ Pipelines Inc. Beaver Pipeline Construction Limited Bechtel Canada Limited ▇▇▇▇ Location Clearing Ltd. ▇▇▇▇ Oilfield Services Ltd. BFC Industrial - Nicholls ▇▇▇▇▇▇ BFC Pipelines BFC Utilities Big Eagle Contracting Inc. Bolder Concrete Ltd. C.S.I. Hydrostatic Testers Calgary Tunnelling & Horizontal Auguring Ltd. Canadian Subaqueous Pipelines Ltd. Can-Alaska Developments Ltd. Canapipe Construction Ltd. Capco Environmental & Hydrostatic Testing Inc. Carbrook Contracting Ltd. Carmax Truck Lines Ltd. Cedar Mechanical Co. Ltd. Chancellor Industrial Construction Ltd. Chinook Construction & Engineering Ltd. Cliffside Pipelayers Ltd. Commercial Resins of Canada Ltd. Consamar Inc. Consbec Inc. Continental Electric Ltd. Coolsaet Pipeline Ltd. ▇▇▇▇▇▇ Construction Ltd. ▇▇▇▇▇▇▇▇▇▇ Construction Ltd. ▇▇▇▇▇▇▇▇▇▇ Corporation Canada Ltd. Domex Pipe Line Inc. Dresser Industries Inc. - Dresser Titan ▇▇▇▇▇ Engineering and Construction Limited Div. Dynasty Pipeline Ltd. Eveready Industrial Services Limited FPC Construction Flint Construction (1970) Energy Services Ltd. 2013/2016 - 37 - UA-D Formac Pumping Services Limited GCL Inc. Geleman Enterprises Ltd. Genstar Construction Limited Global Air Drilling Services Ltd. ▇.▇. ▇▇▇▇ Hat Pipeline Contractors Ltd. H.B. Contracting (2000) Ltd.

EFFECTIVE DATE, TERMINATION, AND RENEWAL. 18.1 This Agreement shall become effective on the First day of May, A.D. 2018and shall continue in full force and effect until the 30th day of April, and thereafter year to year unless terminated upon written notice of either party within one hundred and twenty (120) days prior to any anniversary of the terminal date. Business MgrEither Party to this may,no more than one hundred and twenty (120) days prior to the terminal date, request the other Party to commence collective bargaining. Business MgrSuch notice to be given by registered mail. Local Union 115 Local Union 955 Business MgrIf notice to negotiate has been given by either Party, this Agreement shall remain in force and effect during any period of negotiation in accordance with established legislative governmental authority. Business MgrNothing contained herein shall prevent the Parties agreeing to retroactivity. Local Union 870 Local Union 987 Business Mgr. Business Mgr. Local Union 793 Local Union 942 Business Mgr. Business Mgr. Local Union 946 Local Union 721 Business Mgr. Local Union 904 WHEREOF, we, the undersigned hereby attach our hands and to this Agreement concluded at the City of Edmonton in the Province of Alberta the 25th day of January, PIPE LINE CONTRACTORS ASSOCIATION OF CANADA: INTERNATIONAL OF Central Eastern Canada Manager, Canada Subregional Relations Committee Executive Director The Pipe Line Contractors Association of Canada represents as agent for collective bargaining with the Laborers International Union of Operating Engineers North America the following Employers of employees in the pipeline construction industry within Canada in accordance with applicable legislation: 344312 Alberta Ltd. ▇▇▇▇▇▇ ▇▇▇▇▇▇▇ Ltd. 513356 N.B. Ltd. ▇▇▇▇▇▇ ▇▇▇▇▇▇▇ Ltd. Abco Supply & Service Ltd. Accu-Ram Services Limited Advanced Hydro-Vac Corporation Aecon Civil & Utilities By Registration: Alberta Mobile Air Compression Services Alberta Oilfield Services Ltd. All-Ways Boring Ltd. Alta Pipe Transport North Pipeline Concrete Products Ltd. Amalgamated Crane Services Inc. Antagon Pipelines Company Ltd. ▇▇▇▇▇▇ & ▇▇▇▇▇▇▇ Oilfield Badger Daylighting Atlantic Pipeline Resources Inc. Badry Enterprises Ltd. Baldy's Heavy Equipment Repairs Atlantic Underground Services ▇▇▇▇▇▇▇▇ Majestic Inc. ▇▇▇▇▇▇▇▇ Pipelines Canada Limited Bolder Concrete Truck Lines Cedar Mechanical Co. Chinook Construction Engineering Cliffside Pipelayers Inc. Inc. Continental Electric Incorporated of Canada Pipeline ▇▇▇ Son, Inc. Delta Catalytic Contractors Construction Dresser Industries Inc. Dresser Titan Pipeline Inc. Industrial Services Limited Flint Construction (1980) Pumping Services Limited Enterprises Construction Limited Air Drilling Services Drillers Bros. Contractors Pipeline ▇▇▇▇▇▇▇▇▇ Company Limited Junior Service Repair Transport ▇▇▇▇▇ Welding Pipelines Transport (1980) Drilling Rock Services Pipestringing Mechanical Contractors Limited ▇▇▇▇▇▇▇ Pipeline Contractors Long Branch Contractors International Environmental Contractors Drilling Blasting Majestic Contractors Limited Marine Pipeline Construction of Canada (1993) Maxim Blasting Services International Canada Co. Pipe Stringing Midwest Pipeline Contractors Mi-Pal Holdings Hydro-Test National Caterers (1989) Enterprises I) Nor-Can Construction Nor-Pipc Construction North American Construction Northern Construction Company Pipelines Inc. Construction Co. Pan Associated Contractors Blasting ▇▇▇ Ben Industries Company Ben Pipelines (1979) Canada, Inc. Permanent Pipeline Hauling Premier ▇▇▇▇▇▇ Premier Pipelines Inc. Price of Canada Pipelines Pipeline Inc. ▇▇▇ May Trucking and Excavating Contracting Son Company Limited Construction Clearing Heavy Haulers ▇▇▇ ▇▇▇▇▇▇ Logging and Trucking ▇▇▇▇▇▇ Co. Limited Construction Inc. Square M Construction Limited Pipelines Stringtest Pipelines Inc. Inc. Pipeline Weights Summit Pipeline Services Supernal Welding and Consulting Transport True Test Pipeline Services Universal Pipe Line Enterprises Pipe Line Construction Western Reclamation Services Whip-Line Crane Services Winnipeg Sandblasting Jet and Petrochemical Services By Accreditation: Alberta Mobile Air Compression Services ▇▇▇▇▇▇▇▇ Pipelines Inc. Beaver Pipe Welding Bolder Concrete Canadian Limited Canadian Subaqueous Pipelines Mechanical Contractors Chinook Construction Engineering Pipeline Construction Limited Bechtel Canada Limited ▇▇▇▇ Location Clearing Ltd. ▇▇▇▇ Oilfield Services Ltd. BFC Industrial - Nicholls Dresser Titan of Dresser Industries English Welders Contractors ▇▇▇▇▇▇ BFC Pipelines BFC Utilities Big Eagle Contracting Inc. Bolder Concrete Ltd. C.S.I. Hydrostatic Testers Calgary Tunnelling & Horizontal Auguring Ltd. Canadian Subaqueous Pipelines Ltd. Can-Alaska Developments Ltd. Canapipe Construction Ltd. Carbrook Contracting Ltd. Carmax Truck Lines Ltd. Cedar Mechanical Co. Ltd. Chinook Construction & Engineering Ltd. Cliffside Pipelayers Ltd. Commercial Resins of Canada Ltd. Consamar Inc. Consbec Inc. Continental Electric Ltd. Coolsaet Pipeline Ltd. ▇▇▇▇▇ ▇▇▇▇▇▇▇ Pipeline Contractors International Majestic Contractors Limited Marine Pipeline Construction Ltd. of Canada Limited ▇▇▇ Limited Blasting Ben Industries Company Permanent Concrete Price of Canada Price Welding Mechanical Industries Contracting Transport By Appointment: Supply Service All-Pipe Transport Atlantic Pipeline Resources Inc. Atlantic Underground Services ▇▇▇▇▇▇▇▇ Majestic Inc. Bolder Concrete Cliffside Utility Contractors Inc. Continental Electric Incorporated Pipeline of Canada ▇▇▇ Son, Inc. Delta Catalytic Contractors Pipeline Inc. Global Air Drilling Services Drillers Limited Pipeline ▇▇▇▇▇▇▇▇▇ Company Limited ▇▇▇▇▇ Welding Pipelines Drilling Rock Services Mechanical Contractors Limited Marine Pipeline Construction Ltd. of Canada (1993) Canada Co. Pipe Stringing Ben Industries Company Ben Pipelines (1979) Canada, Inc. Permanent Pipeline Hauling Pipelines Pipeline Inc. Contracting Son Company Limited ▇▇▇▇▇▇ Co. Limited Construction Inc. Pipelines Stringtest Pipelines Inc. Summit Pipeline Services Supernal Welding and Consulting Universal Pipe Line Enterprises Pipe Line Construction Winnipeg Sandblasting Jet By Appointment: All-Pipe Transport Atlantic Pipeline Resources Inc. Atlantic Underground Services Badger Hydro-Vac Services (Manitoba only) ▇▇▇▇▇▇▇▇ Majestic Inc. Bolder Concrete Castonquay Group Inc. only) ▇▇▇▇▇▇▇ ▇▇▇▇▇ only) Cliffside Utility Contractors Incorporated Pipelines Nobel only) Pipeline Inc. ▇▇▇▇ Industries Global Air Drilling Services Horizontal Crossing Atlantic only) Pipeline ▇▇▇▇▇▇▇▇▇ Corporation Canada Ltd. Domex Pipe Line Inc. Dresser Industries Inc. - Dresser Titan Company Limited ▇▇▇▇▇ Engineering Welding Pipelines L R Drilling Blasting Limited only) Drilling Rock Services Mechanical Contractors Limited Marine Pipeline Construction of Canada (1993) Marine Inc. only) Canada Co. Pipe Stringing National Caterers (1989) Industries only) Nova Fencing Limited only) Pipelines Corp. Blasting Ben Industries Company Canada, Inc. Permanent Pipeline Transport Limited only) Pipeline Hauling Pipelines Forestry Land Clearing only) ▇▇▇▇▇▇ only) Pipeline Inc. Contracting Contracting ▇▇▇▇▇▇ of ▇▇▇▇▇▇ Construction Inc. Pipelines Stringtest Pipelines Inc. Summit Pipeline Services Supernal Welding and Consulting Torchline Corporation only) Universal Pipe Line Enterprises Pipe Line Construction Winnipeg Sandblasting Jet By Accreditation: Supply Service Aboriginal Pipelines Systems Limited Alberta Mobile Air Compression Services All-Pipe Transport Pipelines Company Atlantic Pipeline Resources Inc. Atlantic Underground Services ▇▇▇▇▇▇▇▇ Majestic Inc. ▇▇▇▇▇▇▇▇ Pipelines Canada Limited Beaver Pipeline Construction Limited Eveready Industrial Services Bolder Concrete Construction ▇▇▇▇ Limited FPC Canadian Dredge and Dock Inc. Canadian Subaqueous Pipelines Pipeline ▇▇▇▇▇▇ Hydrostatic Testers Cliffside Utility Contractors Inc. Inc. Continental Electric Incorporated of Canada Pipeline ▇▇▇ Son, Inc. Construction Flint Custom Concrete (Northern) Construction (1970) Ltd. Formac Pipeline Inc. ▇▇▇▇▇▇ Pumping Services Limited GCL General Pipeline Contractors Limited Inc. Geleman Enterprises Ltd. Genstar Construction Limited Global Air Drilling Services Ltd. ▇.▇. Contracting Drillers Limited Huron Pipelines Limited Inter-Provincial Construction Limited ▇▇▇▇ Sandblasting Pipeline ▇▇▇▇▇▇▇▇▇ Company Limited ▇▇▇▇▇-▇▇▇▇▇▇▇ Canada Junior Service Repair Limited ▇▇▇▇▇ Welding Pipelines Transport (1980) Drilling Rock Services Pipestringing Mechanical Contractors Ltd. H.B. ▇▇▇ Sons Limited ▇▇▇▇▇▇▇ Pipeline Contractors International Mainline Boring Majestic Contractors Limited Co. Marine Pipeline Construction of Canada Limited Drilling Blasting Limited International Canada Co. Pipe Stringing Hydro-Test Cove National Caterers Associates Limited Nor-Pipe Construction Limited Northern Construction Company Pipelines Corp. Pan Associated Contractors Blasting ▇▇▇ ▇▇▇ Industries Company Ben Pipelines (1979) Pipelines Construction Canada, Inc. Permanent Pipeline Hauling Premier ▇▇▇▇▇▇ A Joint Venture Premier Pipelines Limited Price of Canada Pipelines Pipeline Inc. Contracting Ltd.(1988) Inc. Son Company Limited ▇▇▇ ▇▇▇▇▇▇ Logging and Trucking Welding Limited ▇▇▇▇▇▇ of ▇▇▇▇▇▇ Construction Inc. Pipelines Stringtest Pipelines Summit Pipeline Services Inc. Superior Pipeline Contractors Supernal Welding and Consulting True Test Pipeline Services Universal Pipe Line Enterprises ▇▇▇▇ Pipeline Contractors Construction Pipe Line Construction :Alpine ▇▇▇▇▇▇ Oilfield Hauling ▇▇▇▇▇▇▇▇ Pressure Service Winnipeg Sandblasting Jet ▇▇▇▇▇ ▇▇▇▇▇ By Designation: Supply Service All-Pipe Transport Atlantic Pipeline Resources Inc. Atlantic Underground Services ▇▇▇▇▇▇▇▇ Majestic Inc. ▇▇▇▇▇▇▇▇ Pipelines Bolder Concrete Cliffside Utility Contractors Incorporated of Canada Pipeline Construction Pipeline Inc. Global Air Drilling Services Drillers Limited Pipeline ▇▇▇▇▇▇▇▇▇ Company Limited ▇▇▇▇▇ Welding Pipelines Drilling Rock Services Mechanical Contractors Limited Majestic Contractors Limited Marine Pipeline Construction of Canada (1993) Canada Co. Pipe Stringing National Caterers Pipelines Corp. Blasting Ben Industries Company Ben Pipelines (1979) Canada, Inc. Permanent Pipeline Hauling Pipelines Pipeline Inc. Contracting Contracting ▇▇▇▇▇▇ of ▇▇▇▇▇▇ Pipe Line Construction Winnipeg Sandblasting Jet 0’▇▇▇▇▇▇▇▇, General President 16th (202)

EFFECTIVE DATE, TERMINATION, AND RENEWAL. 18.1 19.1 This Agreement shall become effective on the First first day of May, A.D. 2018AD., 2022, and shall continue in full force and effect until the thirtieth day of April, AD., 2025 and thereafter from year to year unless terminated upon written notice of either Party within one hundred twenty (120) days prior to any anniversary of the terminal date. 19.2 Either Party to this Agreement may, no more than one hundred twenty (120) days prior to the terminal date, request the other Party to commence collective bargaining. Business MgrSuch notice to be given by registered mail. 19.3 If notice to negotiate has been given by either Party, this Agreement shall remain in force and effect during any period of negotiation in accordance with established legislative and/or governmental authority. Business MgrPROOF 19.4 Nothing contained herein shall prevent the Parties agreeing to retroactivity. Local Union 115 Local Union 955 Business Mgr. Business Mgr. Local Union 870 Local Union 987 Business Mgr. Business Mgr. Local Union 793 Local Union 942 Business Mgr. Business Mgr. Local Union 946 Local Union 721 Business Mgr. Local Union 904 The Pipe Line Contractors Association of Canada represents as agent for collective bargaining with the International Union United Association of Operating Engineers Journeymen and Apprentices of the United States and Canada the following Employers of employees in the pipeline construction industry within Canada in accordance with the applicable legislation: 344312 Alberta Ltd. ▇▇▇▇▇▇ ▇▇▇▇▇▇▇ Ltd. 513356 N.B. Ltd. ▇▇▇▇▇▇ ▇▇▇▇▇▇▇ Ltd. By Registration: Abco Supply & Service Ltd. Accu-Ram Services Limited Advanced Hydro-Vac Corporation Aecon Civil & Utilities Alberta Mobile Air Compression Services Alberta Oilfield Services Ltd. All-Ways Boring Ltd. Alta North Pipeline Concrete Products Ltd. Amalgamated Crane Services Inc. Antagon Pipelines Company Ltd. A. S.A. Construction Ltd. ▇▇▇▇▇▇ & ▇▇▇▇▇▇▇ Oilfield Badger Daylighting Atlantic Pipeline Resources Inc. Badry Enterprises Ltd. Baldy's Heavy Equipment Repairs ▇▇▇▇▇▇▇▇ Majestic Inc. PROOF ▇▇▇▇▇▇▇▇ Pipeline Construction Company ▇▇▇▇▇▇▇▇ Pipelines Inc. Beaver Pipeline Construction Limited Bechtel Canada Limited ▇▇▇▇ Location Clearing Ltd. ▇▇▇▇ Oilfield Services Ltd. BFC Industrial - Nicholls ▇▇▇▇▇▇ BFC Pipelines BFC Utilities Big Eagle Contracting Inc. Bolder Concrete Ltd. C.S.I. Hydrostatic Testers Calgary Tunnelling & Horizontal Auguring Ltd. Canadian Subaqueous Pipelines Ltd. Can-Alaska Developments Ltd. Canapipe Construction Ltd. Capco Environmental & Hydrostatic Testing Inc. Carbrook Contracting Ltd. Carmax Truck Lines Ltd. Cedar Mechanical Co. Ltd. Chancellor Industrial Construction Ltd. Chinook Construction & Engineering Ltd. Cliffside Pipelayers Ltd. Commercial Resins of Canada Ltd. Consamar Inc. Consbec Inc. Continental Electric Ltd. Coolsaet Pipeline Ltd. ▇▇▇▇▇▇ Construction Ltd. ▇▇▇▇▇▇▇▇▇▇ Construction Ltd. ▇▇▇▇▇▇▇▇▇▇ Corporation Canada Ltd. Domex Pipe Line Inc. Dresser Industries Inc. - Dresser Titan ▇▇▇▇▇ Engineering and Construction Limited Div. Dynasty Pipeline Ltd. Eveready Industrial Services Limited FPC Construction Flint Construction (1970) Energy Services Ltd. Formac Pumping Services Limited GCL Inc. Geleman Enterprises Ltd. Genstar Construction Limited Global Air Drilling Services Ltd. ▇.▇. ▇▇▇▇ Hat Pipeline Contractors Ltd. H.B. Contracting (2000) Ltd.