Common use of APPENDICES, LETTERS OF UNDERSTANDING AND INTERPRETATION Clause in Contracts

APPENDICES, LETTERS OF UNDERSTANDING AND INTERPRETATION. The following Appendices are attached hereto and form a part hereof: Appendix "A" – National Field Heat Treatment Agreement Appendix "B" – Atlantic Region Appendix "C" – Central Region Appendix "D" – Prairie Region Appendix "E" – Pacific Region Appendix "F – Pipeline Agreement Appendix "G" – Quebec Region The following Letters of Understanding form part of this agreement. Letter of Understanding #1 – National – Practical Mentoring Letter of Interpretation #A – Atlantic Region – Meals Letter of Interpretation #B – Central Region – Meals Letter of Interpretation C – Prairie Region – Meals Letter of Understanding #4 – Pacific Region – Travel Enabling Clause The following Letters are attached hereto and form a part hereof: Letter of Interpretation – Central Region - LOA - Meals Letter of Interpretation – Prairie Region - LOA - Meals Negotiated at St. John’s, Halifax, Toronto, Montreal, Edmonton and Vancouver and subsequently ratified by all parties. The parties agree that some employees may require additional on the job training in order to have confidence and proficiency as a technician or in advanced specialty methods of inspection. In an effort to make that additional training available to the employees the parties agree to a Voluntary Mentoring Program. All employees will be provided fair and reasonable access to the mentoring program. This program is not meant to displace current trainees and these employees will be in addition to the regular work crews. No Mentor may train more than one employee at a time. Employees must register and sign a “Mentoring Agreement” recording the individual's CGSB certifications, training, and courses completed. The inspection method(s), the length of the training period, the scheduled hours of work and the rate of pay, along with potential Mentors will also be included. A copy of the agreement must be provided to the QCCC regional office for final authorization and registration. Employees registered in the Mentoring program must be under the constant and immediate supervision of the designated Mentor to which they have been assigned. The employee will receive 80% of the chargeable rate to which the employee would otherwise be entitled for the time spent in the registered mentoring program. (In the Atlantic and Quebec regions, the rate of pay cannot be lower than trainees with less than 1500 hours). For any work assigned outside of the mentoring program, the employee will receive their full rate of pay. The individual Mentoring Agreements may be cancelled by either party upon providing 30 day written notice. For the QCCC For the NDTMA International Brotherhood of Boilermaker, Lodge 203 ▇▇▇▇▇ ▇▇▇▇▇▇▇▇ United Association, Local 740 ▇▇▇▇▇▇ ▇▇▇▇▇▇▇ Boilermakers Lodge 73 ▇▇▇▇ ▇▇▇▇ United Association Local 325 ▇▇▇▇▇▇ ▇▇▇▇▇▇▇▇ Boilermakers Lodge 271 ▇▇▇▇▇ ▇▇▇▇▇▇▇▇▇ United Association Local 144 ▇▇▇▇▇▇▇ ▇▇▇▇▇▇▇▇▇▇ United Association Local 46 ▇▇▇▇▇▇ ▇▇▇▇▇▇▇ Boilermakers Lodge 128 ▇▇▇ Grills United Association Local 254 ▇▇▇▇ Kelcsics Boilermakers Lodge 555 ▇▇▇▇ ▇▇▇▇▇▇▇▇ United Association Local 488 ▇▇▇▇▇▇ ▇▇▇▇▇▇ Boilermakers Lodge 146 ▇▇▇▇ ▇▇▇▇▇▇▇▇▇ United Association Local 496 ▇▇▇▇▇▇ ▇▇▇▇▇▇▇▇▇ United Association Local 179 ▇▇▇▇ ▇▇▇▇▇▇ Boilermakers Lodge 359 ▇▇▇▇▇▇ ▇▇▇▇▇▇ United Association Local 170 The following conditions shall apply to all Field Heat Treatment work performed in Canada, by all signatory contractors. All other National and Regional articles apply for the National Heat Treatment unless otherwise specified within the appendix.

APPENDICES, LETTERS OF UNDERSTANDING AND INTERPRETATION. The following Appendices are attached hereto and form a part hereof: Appendix "A" – National Field Heat Treatment Agreement Northern Work Appendix "B" – Atlantic Region Appendix "C" – Central Region Appendix "D" – Prairie Region Appendix "E" – Pacific Region Appendix "F – Pipeline Agreement Appendix "G" – Quebec Region The following Letters of Understanding form part of this agreement. Letter of Understanding #1 – National – Practical Mentoring Letter of Understanding #2 – Atlantic Region – Heat Treating Letter of Understanding #3 – Atlantic Region – Offshore Work Letter of Interpretation #A – Atlantic Region – Meals Letter of Understanding #4 – Province of Ontario – Heat Treating Letter of Understanding #5 – Central Region – OHP Premium Tax Letter of Interpretation #B – Central Region – Meals Letter of Understanding #6 – Prairie Region – Heat Treating Letter of Interpretation C – Prairie Region – Meals Letter of Understanding #4 7 – Pacific Region – Travel Enabling Clause Letter of Understanding #8 – Pacific Region – RAT Rates The following Letters are attached hereto and form a part hereof: Letter of Interpretation – Central Region - LOA - Meals Letter of Interpretation – Prairie Region - LOA - Meals Negotiated at St. John’s, Halifax, Toronto, Montreal, Edmonton and Vancouver and subsequently ratified by all parties. The parties agree that some employees technicians may require additional on the job training in order to have confidence and proficiency as a technician level II or in advanced specialty methods of inspection. In an effort to make that additional training available to the employees Technicians the parties agree to implement a “Voluntary Mentoring Program”. All employees technicians will be provided fair and reasonable access to the mentoring program. This program is not meant to displace current trainees and these employees will be Technicians interested in addition to improving their advanced practical skills may request that their employer provide them with additional training through the regular work crewsmentoring program. No Mentor may train more than one employee at a time. Employees Technician must register and sign a “Mentoring Agreement” recording recording, the individual's inspection method, the individuals CGSB certifications, training, and courses completed. The inspection method(s)qualifications, the length of the training period, the scheduled hours of work period and the rate of pay, along with potential Mentors will also be included. A copy of the agreement must be provided to the QCCC regional office for final authorization and registration. Employees Technicians registered in the Mentoring program participating in on the job training must be under the constant and immediate supervision of the designated Mentor to which they have been assigned. No mentor may train more than one technician at a time. The employee technician will receive 80% of the chargeable rate to which the employee would otherwise be entitled for the time spent in the registered mentoring program. (In the Atlantic and Quebec regions, the rate of pay cannot be lower than trainees with less than 1500 hours). For any work assigned outside of the mentoring program, the employee will receive their full rate of pay. The individual Mentoring Agreements may This voluntary program can be cancelled by upon either party upon providing 30 day written notice. For the QCCC For the NDTMA International Brotherhood of Boilermaker, Iron and Ship Builders, Blacksmiths, Forgers and Helpers Lodge 203 ▇▇▇▇▇ ▇▇▇▇▇▇▇▇ United AssociationAssociation of Journeyman and Apprentices of the Plumbing and Pipefitting Industry of the United States and Canada, Local 740 ▇▇▇▇▇▇ ▇▇▇▇▇▇▇ Boilermakers Lodge 73 ▇▇▇▇▇▇▇ ▇▇▇▇▇ United Association Local 325 ▇▇▇▇▇▇ ▇▇▇▇▇▇▇▇ Boilermakers Lodge 271 ▇▇▇▇▇▇ ▇▇▇▇▇▇▇▇▇ United Association Local 144 ▇▇▇▇▇▇▇ ▇▇▇▇▇▇▇▇▇▇ United Association Local 46 ▇▇▇▇▇▇ ▇▇▇▇▇▇▇ Boilermakers Lodge 128 ▇▇▇ Grills ▇▇▇▇▇▇ United Association Local 254 ▇▇▇▇▇ Kelcsics ▇▇▇▇▇▇▇▇ Boilermakers Lodge 555 ▇▇▇▇▇ ▇▇▇▇▇▇ United Association Local 488 ▇▇▇▇▇ ▇▇▇▇▇▇▇▇ Boilermakers Lodge 146 ▇▇▇▇▇ ▇▇▇▇▇▇▇▇ United Association Local 488 ▇▇▇496 ▇▇▇ ▇▇▇▇▇▇ Boilermakers Lodge 146 ▇▇▇▇ ▇▇▇▇▇▇▇▇▇ United Association Local 496 ▇▇▇▇▇▇ ▇▇▇▇▇▇▇▇▇ United Association Local 179 ▇▇▇▇ ▇▇▇▇▇▇▇ Boilermakers Lodge 359 ▇▇▇▇▇▇ ▇▇▇▇▇▇ United Association Local 170 The following conditions shall apply to all Field Heat Treatment work performed in Canada, by all signatory contractors. All other National and Regional articles apply for the National Heat Treatment unless otherwise specified within the appendix.170

APPENDICES, LETTERS OF UNDERSTANDING AND INTERPRETATION. The following Appendices are attached hereto and form a part hereof: Appendix "A" – National Field Heat Treatment Agreement Northern Work Appendix "B" – Atlantic Region Appendix "C" – Central Region Appendix "D" – Prairie Region Appendix "E" – Pacific Region Appendix "F – Pipeline Agreement Appendix "G" – Quebec Region The following Letters of Understanding form part of this agreement. Letter of Understanding #1 – National – Atlantic Region Heat Treating Letter of Understanding #2 - Atlantic Region Practical Mentoring Letter of Understanding #3 Atlantic Region Offshore Work Letter of Interpretation #A – - Atlantic Region – Meals Letter of Understanding #1 - Central Region Practical Mentoring Letter of Understanding – OHP Premium Tax -Central Region Letter of Interpretation #B – Central Region – Meals Letter of Interpretation C Understanding #1 – Prairie Region Heat Treating Letter of Understanding #2 - Prairie Region – Practical Mentoring Letter of Interpretation – Prairie Region - Meals Letter of Understanding #4 1 – Pacific Region – Travel Enabling Clause Letter of Understanding Regarding Scope - National The following Letters of Interpretation are attached hereto and form a part hereof: Letter of Interpretation – Central Region - LOA - Meals Letter of Interpretation – Prairie Region - LOA - Meals Participation Agreement. Negotiated at Vancouver, Calgary, Edmonton, Toronto, St. John’s, Halifax, Toronto, Montreal, Edmonton and Vancouver Halifax and subsequently ratified by all parties. The parties agree that some employees may require additional on the job training in order to have confidence and proficiency as a technician or in advanced specialty methods of inspection. In an effort to make that additional training available to the employees the parties agree to a Voluntary Mentoring Program. All employees will be provided fair and reasonable access to the mentoring program. This program is not meant to displace current trainees and these employees will be in addition to the regular work crews. No Mentor may train more than one employee at a time. Employees must register and sign a “Mentoring Agreement” recording the individual's CGSB certifications, training, and courses completed. The inspection method(s), the length of the training period, the scheduled hours of work and the rate of pay, along with potential Mentors will also be included. A copy of the agreement must be provided to the QCCC regional office for final authorization and registration. Employees registered in the Mentoring program must be under the constant and immediate supervision of the designated Mentor to which they have been assigned. The employee will receive 80% of the chargeable rate to which the employee would otherwise be entitled for the time spent in the registered mentoring program. (In the Atlantic and Quebec regions, the rate of pay cannot be lower than trainees with less than 1500 hours). For any work assigned outside of the mentoring program, the employee will receive their full rate of pay. The individual Mentoring Agreements may be cancelled by either party upon providing 30 day written notice. For the QCCC For the NDTMA International Brotherhood of Boilermaker, Iron and Ship Builders, Blacksmiths, Forgers and Helpers Lodge 203 ▇▇▇ ▇▇▇▇▇ United Association of Journeyman and Apprentices of the Plumbing and Pipefitting Industry of the United States and Canada, Local 740 ▇▇▇ ▇▇▇▇▇ Boilermakers Lodge 73 ▇▇▇▇▇ ▇▇▇▇▇▇▇▇ United Association, Local 740 ▇/▇▇▇▇▇▇▇ ▇▇▇▇▇▇▇ Boilermakers Lodge 73 ▇▇▇▇ ▇▇▇▇ United Association Local 325 ▇772 ▇▇▇▇▇ ▇▇▇▇▇▇▇▇ Boilermakers Lodge 271 ▇▇▇▇▇ ▇▇▇▇▇▇▇▇▇ United Association Local 144 ▇▇▇▇▇▇▇ ▇▇▇▇▇▇▇▇▇▇ United Association Local 46 ▇▇▇▇▇▇ ▇▇▇▇▇▇▇ Boilermakers Lodge 128 ▇▇▇ Grills ▇▇▇▇▇▇ United Association Local 254 ▇▇▇▇▇ Kelcsics ▇▇▇▇▇▇▇▇ Boilermakers Lodge 555 ▇▇▇▇ ▇▇▇ ▇▇▇▇▇▇ United Association Local 488 ▇▇▇▇▇ ▇▇▇▇▇▇▇▇ Boilermakers Lodge 146 ▇▇▇▇▇▇ ▇▇▇▇▇▇▇▇ United Association Local 488 ▇▇▇▇▇▇ ▇▇▇▇▇▇ Boilermakers Lodge 146 ▇▇▇▇ ▇▇▇▇▇▇▇▇▇ 496 United Association Local 496 ▇179 ▇▇▇▇▇ ▇▇▇▇▇▇▇▇▇ United Association Local 179 ▇▇▇▇ ▇▇▇▇▇▇ Boilermakers Lodge 359 ▇▇▇▇▇▇ ▇▇▇▇▇▇ United Association Local 170 The following conditions shall apply to all Field Heat Treatment work performed in Canada, by all signatory contractors. All other National and Regional articles apply for the National Heat Treatment unless otherwise specified within the appendix.170

APPENDICES, LETTERS OF UNDERSTANDING AND INTERPRETATION. The following Appendices are attached hereto and form a part hereof: Appendix "A" – National Field Heat Treatment Agreement Appendix "B" – Atlantic Region Appendix "C" – Central Region Appendix "D" – Prairie Region Appendix "E" – Pacific Region Appendix "F – Pipeline Agreement Appendix "G" – Quebec Region The following Letters of Understanding form part of this agreement. Letter of Understanding #1 – National – Practical Mentoring Letter of Interpretation #A – Atlantic Region – Meals Letter of Interpretation #B – Central Region – Meals Letter of Interpretation C – Prairie Region – Meals Letter of Understanding #4 – Pacific Region – Travel Enabling Clause The following Letters are attached hereto and form a part hereof: Letter of Interpretation – Central Region - LOA - Meals Letter of Interpretation – Prairie Region - LOA - Meals Negotiated at St. John’s, Halifax, Toronto, Montreal, Edmonton and Vancouver and subsequently ratified by all parties. The parties agree that some employees may require additional on the job training in order to have confidence and proficiency as a technician or in advanced specialty methods of inspection. In an effort to make that additional training available to the employees the parties agree to a Voluntary Mentoring Program. All employees will be provided fair and reasonable access to the mentoring program. This program is not meant to displace current trainees and these employees will be in addition to the regular work crews. No Mentor may train more than one employee at a time. Employees must register and sign a “Mentoring Agreement” recording the individual's CGSB certifications, training, and courses completed. The inspection method(s), the length of the training period, the scheduled hours of work and the rate of pay, along with potential Mentors will also be included. A copy of the agreement must be provided to the QCCC regional office for final authorization and registration. Employees registered in the Mentoring program must be under the constant and immediate supervision of the designated Mentor to which they have been assigned. The employee will receive 80% of the chargeable rate to which the employee would otherwise be entitled for the time spent in the registered mentoring program. (In the Atlantic and Quebec regions, the rate of pay cannot be lower than trainees with less than 1500 hours). For any work assigned outside of the mentoring program, the employee will receive their full rate of pay. The individual Mentoring Agreements may be cancelled by either party upon providing 30 day written notice. For the QCCC For the NDTMA International Brotherhood of Boilermaker, Lodge 203 ▇▇▇▇▇▇ ▇▇▇▇▇▇▇▇ United Association, Local 740 ▇▇▇▇▇▇ ▇▇▇▇▇▇▇ Boilermakers Lodge 73 ▇▇▇▇ ▇▇▇▇ United Association Local 325 ▇▇▇▇▇▇ ▇▇▇▇▇▇▇▇ Boilermakers Lodge 271 ▇▇▇▇▇ ▇▇▇▇▇▇▇▇▇ United Association Local 144 ▇▇▇▇▇▇▇ ▇▇▇▇▇▇▇▇▇▇ United Association Local 46 ▇▇▇▇ ▇▇▇ ▇▇▇▇▇▇▇ Boilermakers Lodge 128 ▇▇▇ Grills United Association Local 254 ▇▇▇▇ Kelcsics Boilermakers Lodge 555 ▇▇▇▇ ▇▇▇▇▇▇▇▇ United Association Local 488 ▇▇▇▇▇▇ ▇▇▇▇▇▇ Boilermakers Lodge 146 ▇▇▇▇ ▇▇▇▇▇▇▇▇▇ United Association Local 496 ▇▇▇▇▇▇ ▇▇▇▇▇▇▇▇▇ United Association Local 179 ▇▇▇▇ ▇▇▇▇▇▇ Boilermakers Lodge 359 ▇▇▇▇▇▇ ▇▇▇▇▇▇ United Association Local 170 ▇▇▇▇▇ ▇▇▇▇▇ The following conditions shall apply to all Field Heat Treatment work performed in Canada, by all signatory contractors. All other National and Regional articles apply for the National Heat Treatment unless otherwise specified within the appendix.

APPENDICES, LETTERS OF UNDERSTANDING AND INTERPRETATION. The following Appendices are attached hereto and form a part hereof: Appendix "A" – National Field Heat Treatment Agreement Northern Work Appendix "B" – Atlantic Region Appendix "C" – Central Region Appendix "D" – Prairie Region Appendix "E" – Pacific Region Appendix "F – Pipeline Agreement Appendix "G" – Quebec Region The following Letters of Understanding form part of this agreement. Letter of Understanding #1 – National – Atlantic Region Heat Treating Letter of Understanding #2 - Atlantic Region Practical Mentoring Letter of Understanding #3 Atlantic Region Offshore Work Letter of Interpretation #A – - Atlantic Region – Meals Letter of Understanding #1 - Central Region Practical Mentoring Letter of Understanding – OHP Premium Tax -Central Region Letter of Interpretation #B – Central Region – Meals Letter of Interpretation C Understanding #1 – Prairie Region Heat Treating Letter of Understanding #2 - Prairie Region – Practical Mentoring Letter of Interpretation – Prairie Region - Meals Letter of Understanding #4 1 – Pacific Region – Travel Enabling Clause Letter of Understanding Regarding Scope - National The following Letters of Interpretation are attached hereto and form a part hereof: Letter of Interpretation – Central Region - LOA - Meals Letter of Interpretation – Prairie Region - LOA - Meals Participation Agreement. Negotiated at Vancouver, Calgary, Edmonton, Toronto, St. John’s, Halifax, Toronto, Montreal, Edmonton and Vancouver Halifax and subsequently ratified by all parties. The parties agree that some employees may require additional on the job training in order to have confidence and proficiency as a technician or in advanced specialty methods of inspection. In an effort to make that additional training available to the employees the parties agree to a Voluntary Mentoring Program. All employees will be provided fair and reasonable access to the mentoring program. This program is not meant to displace current trainees and these employees will be in addition to the regular work crews. No Mentor may train more than one employee at a time. Employees must register and sign a “Mentoring Agreement” recording the individual's CGSB certifications, training, and courses completed. The inspection method(s), the length of the training period, the scheduled hours of work and the rate of pay, along with potential Mentors will also be included. A copy of the agreement must be provided to the QCCC regional office for final authorization and registration. Employees registered in the Mentoring program must be under the constant and immediate supervision of the designated Mentor to which they have been assigned. The employee will receive 80% of the chargeable rate to which the employee would otherwise be entitled for the time spent in the registered mentoring program. (In the Atlantic and Quebec regions, the rate of pay cannot be lower than trainees with less than 1500 hours). For any work assigned outside of the mentoring program, the employee will receive their full rate of pay. The individual Mentoring Agreements may be cancelled by either party upon providing 30 day written notice. For the QCCC For the NDTMA International Brotherhood of Boilermaker, Iron and Ship Builders, Blacksmiths, Forgers and Helpers Lodge 203 ▇▇▇ ▇▇▇▇▇ United Association of Journeyman and Apprentices of the Plumbing and Pipefitting Industry of the United States and Canada, Local 740 ▇▇▇ ▇▇▇▇▇ Boilermakers Lodge 73 ▇▇▇▇▇ ▇▇▇▇▇▇▇▇ United Association, Local 740 ▇/▇▇▇▇▇▇▇ ▇▇▇▇▇▇▇ Boilermakers Lodge 73 ▇▇▇▇ ▇▇▇▇ United Association Local 325 ▇772 ▇▇▇▇▇ ▇▇▇▇▇▇▇▇ Boilermakers Lodge 271 ▇▇▇▇▇ ▇▇▇▇▇▇▇▇▇ United Association Local 144 ▇▇▇▇▇▇▇ ▇▇▇▇▇▇▇▇▇▇ United Association Local 46 ▇▇▇▇▇▇ ▇▇▇▇▇▇▇ Boilermakers Lodge 128 ▇▇▇ Grills ▇▇▇▇▇▇ United Association Local 254 ▇▇▇▇▇ Kelcsics ▇▇▇▇▇▇▇▇ Boilermakers Lodge 555 ▇▇▇▇ ▇▇▇ ▇▇▇▇▇▇ United Association Local 488 ▇▇▇▇▇ ▇▇▇▇▇▇▇▇ Boilermakers Lodge 146 ▇▇▇▇▇▇ ▇▇▇▇▇▇▇▇ United Association Local 488 ▇▇▇496 ▇▇▇ ▇▇▇▇▇▇ Boilermakers Lodge 146 ▇▇▇▇ ▇▇▇▇▇▇▇▇▇ United Association Local 496 ▇▇▇▇▇▇ ▇▇▇▇▇▇▇▇▇ United Association Local 179 ▇▇▇▇▇ ▇▇▇▇▇▇▇ Boilermakers Lodge 359 ▇▇▇▇▇▇ ▇▇▇▇▇▇ United Association Local 170 The following conditions shall apply to all Field Heat Treatment work performed in Canada, by all signatory contractors. All other National and Regional articles apply for the National Heat Treatment unless otherwise specified within the appendix.▇▇▇▇▇ ▇▇▇▇▇

APPENDICES, LETTERS OF UNDERSTANDING AND INTERPRETATION. The following Appendices are attached hereto and form a part hereof: Appendix "“A" – National Field Heat Treatment Agreement ” Northern Work Appendix "B" – Atlantic Region Appendix "C" – Central Region Appendix "D" – Prairie Region Appendix "E" – Pacific Region Appendix "F – Pipeline Agreement Appendix "G" – Quebec Region The following Letters of Understanding are attached hereto and form a part of this agreement. hereof: Letter of Understanding #1 – National – Practical Mentoring Letter of Interpretation #A – Atlantic Region – Meals Letter of Interpretation #B – Central Region – Meals Letter of Interpretation C – Prairie Region – Meals Heat Treating Letter of Understanding #4 – Pacific Prairie Region – Travel Enabling Clause Heat Treating Letter of Understanding Pipeline Agreement Enabled Projects The following Letters of Interpretation are attached hereto and form a part hereof: Letter of Interpretation – Central Region - LOA - Meals Letter of Interpretation – Meals Prairie Region - LOA - Meals Negotiated at Vancouver, Alberta, Edmonton, St. John’s’s Newfoundland, Halifax, Toronto, Montreal, Edmonton Saint ▇▇▇▇ ▇▇▇ Brunswick and Vancouver Montreal and subsequently ratified by all parties. The parties agree that some employees may require additional on the job training in order to have confidence and proficiency as a technician or in advanced specialty methods of inspection. In an effort to make that additional training available to the employees the parties agree to a Voluntary Mentoring Program. All employees will be provided fair and reasonable access to the mentoring program. This program is not meant to displace current trainees and these employees will be in addition to the regular work crews. No Mentor may train more than one employee at a time. Employees must register and sign a “Mentoring Agreement” recording the individual's CGSB certifications, training, and courses completed. The inspection method(s), the length of the training period, the scheduled hours of work and the rate of pay, along with potential Mentors will also be included. A copy of the agreement must be provided to the QCCC regional office for final authorization and registration. Employees registered in the Mentoring program must be under the constant and immediate supervision of the designated Mentor to which they have been assigned. The employee will receive 80% of the chargeable rate to which the employee would otherwise be entitled for the time spent in the registered mentoring program. (In the Atlantic and Quebec regions, the rate of pay cannot be lower than trainees with less than 1500 hours). For any work assigned outside of the mentoring program, the employee will receive their full rate of pay. The individual Mentoring Agreements may be cancelled by either party upon providing 30 day written notice. For the QCCC For the NDTMA International Brotherhood of Boilermaker, Iron and Ship Builders, Blacksmiths, Forgers and Helpers Lodge 203 ▇▇▇ ▇▇▇▇▇ United Association Of Journeyman and Apprentices of the Plumbing and Pipefitting Industry of the United States and Canada, Local ▇▇▇ ▇▇▇▇▇ Boilermakers Lodge ▇▇▇▇ ▇▇▇▇▇▇ United Association Local ▇▇▇ ▇▇▇▇▇▇▇▇▇ Boilermakers Lodge Guy United Association Local ▇▇▇▇▇▇ United Association Local ▇▇▇▇ Boilermakers ▇▇▇▇▇ ▇▇▇▇▇▇ ▇▇▇▇▇ United Association, Association Local 740 ▇▇▇▇▇▇ ▇▇▇▇▇▇▇ Boilermakers Lodge 73 ▇▇▇▇ ▇▇▇▇ United Association Local 325 ▇▇▇▇▇ Boilermakers Lodge ▇▇▇▇ ▇▇▇▇▇▇ United Association Local ▇▇▇ Boilermakers Lodge 271 ▇▇▇▇▇ United Association Local ▇▇▇▇ ▇▇▇▇▇▇▇▇▇ United Association Local 144 ▇▇▇▇▇▇▇ ▇▇▇Boilermakers Lodge ▇▇▇▇▇▇▇ United Association Local 46 ▇▇▇▇▇▇ ▇▇Each employee engaged for pipeline construction which is located north of degrees latitude and whose employment will be during the time periods indicated below must have in his possession, prior to departure for the job, the following items of cold weather clothing in addition to his basic work clothing: Between degrees and degrees minutes latitude October 1 to May North of degrees, minutes latitude August to June JACKET Parka of quality brand*, complete with hood. COVERALLS Dacron or similar material, fully insulated. MITTS Leather or similar material with two pair of wool liners. FOOTWEAR Insulated boot (flight or snowmobile type.) HEADGEAR Heavy cap with ear flaps, *North Slope, Pioneer, ▇▇▇▇▇ Boilermakers Lodge 128 ▇▇▇ Grills United Association Local 254 ▇▇▇▇ Kelcsics Boilermakers Lodge 555 ▇▇▇▇ ▇▇▇▇▇▇▇▇ United Association Local 488 ▇▇▇▇▇▇ ▇▇▇▇▇▇ Boilermakers Lodge 146 ▇▇▇▇ ▇▇▇▇▇▇▇▇▇ United Association Local 496 ▇▇▇▇▇▇ ▇▇▇▇▇▇▇▇▇ United Association Local 179 ▇▇▇▇ ▇▇▇▇▇▇ Boilermakers Lodge 359 ▇▇▇▇▇▇ ▇▇▇▇▇▇ United Association Local 170 or the equivalent. UNDERWEAR Thermal type wool or flannel union suit. SHIRTS Wool or flannel, full sleeve. PANTS Heavy denim or similar. SWEATER Heavy wool pullover. SOCKS Medium weight wool. The following conditions shall apply Employer shall, if required by the employee, provide the employee with an advance by voucher or otherwise not to all Field Heat Treatment work performed exceed two hundred dollars to assist him in Canadapurchasing the required cold weather clothing, by all signatory contractors. All other National and Regional articles apply for such advance to be deducted from the National Heat Treatment unless otherwise specified within employee’s pay in the appendixevent that the employee does not remain on the job until job completion or layoff.

APPENDICES, LETTERS OF UNDERSTANDING AND INTERPRETATION. The following Appendices are attached hereto and form a part hereof: Appendix "A" – National Field Heat Treatment Agreement Appendix "B" – Atlantic Region Appendix "C" – Central Region Appendix "D" – Prairie Region Appendix "E" – Pacific Region Appendix "F – Pipeline Agreement Appendix "G" – Quebec Region The following Letters of Understanding form part of this agreement. Letter of Understanding #1 – National – Practical Mentoring Letter of Interpretation #A – Atlantic Region – Meals Letter of Interpretation #B – Central Region – Meals Letter of Interpretation C – Prairie Region – Meals Letter of Understanding #4 – Pacific Region – Travel Enabling Clause The following Letters are attached hereto and form a part hereof: Letter of Interpretation – Central Region - LOA - Meals Letter of Interpretation – Prairie Region - LOA - Meals Negotiated at St. John’s, Halifax, Toronto, Montreal, Edmonton and Vancouver and subsequently ratified by all parties. The parties agree that some employees may require additional on the job training in order to have confidence and proficiency as a technician or in advanced specialty methods of inspection. In an effort to make that additional training available to the employees the parties agree to a Voluntary Mentoring Program. All employees will be provided fair and reasonable access to the mentoring program. This program is not meant to displace current trainees and these employees will be in addition to the regular work crews. No Mentor may train more than one employee at a time. Employees must register and sign a “Mentoring Agreement” recording the individual's CGSB certifications, training, and courses completed. The inspection method(s), the length of the training period, the scheduled hours of work and the rate of pay, along with potential Mentors will also be included. A copy of the agreement must be provided to the QCCC regional office for final authorization and registration. Employees registered in the Mentoring program must be under the constant and immediate supervision of the designated Mentor to which they have been assigned. The employee will receive 80% of the chargeable rate to which the employee would otherwise be entitled for the time spent in the registered mentoring program. (In the Atlantic and Quebec regions, the rate of pay cannot be lower than trainees with less than 1500 hours). For any work assigned outside of the mentoring program, the employee will receive their full rate of pay. The individual Mentoring Agreements may be cancelled by either party upon providing 30 day written notice. For the QCCC For the NDTMA International Brotherhood of Boilermaker, Lodge 203 ▇▇▇▇▇ ▇▇▇▇▇▇▇▇ United Association, Local 740 ▇▇▇▇▇▇ ▇▇▇▇▇▇▇ Boilermakers Lodge 73 ▇▇▇▇ ▇▇▇▇ United Association Local 325 ▇▇▇▇▇▇ ▇▇▇▇▇▇▇▇ Boilermakers Lodge 271 ▇▇▇▇▇ ▇▇▇▇▇▇▇▇▇ United Association Local 144 ▇▇▇▇▇▇▇ ▇▇▇▇▇▇▇▇▇▇ United Association Local 46 ▇▇▇▇▇▇ ▇▇▇▇▇▇▇ Boilermakers Lodge 128 ▇▇▇ Grills ▇▇▇▇▇▇ United Association Local 254 ▇▇▇▇ Kelcsics ▇▇▇▇▇▇▇▇ Boilermakers Lodge 555 ▇▇▇▇ ▇▇▇▇▇▇▇▇ United Association Local 488 ▇▇▇▇▇▇ ▇▇▇▇▇▇ Boilermakers Lodge 146 ▇▇▇▇ ▇▇▇▇▇▇▇▇▇ United Association Local 496 ▇▇▇▇▇▇ ▇▇▇▇▇▇▇▇▇ United Association Local 179 ▇▇▇▇ ▇▇▇▇▇▇ Boilermakers Lodge 359 ▇▇▇▇▇▇ ▇▇▇▇▇▇ United Association Local 170 ▇▇▇▇▇ ▇▇▇▇▇ The following conditions shall apply to all Field Heat Treatment work performed in Canada, by all signatory contractors. All other National and Regional articles apply for the National Heat Treatment unless otherwise specified within the appendix.

APPENDICES, LETTERS OF UNDERSTANDING AND INTERPRETATION. The following Appendices are attached hereto and form a part hereof: Appendix "A" – National Field Heat Treatment Agreement Appendix "B" – Atlantic Region Appendix "C" – Central Region Appendix "D" – Prairie Region Appendix "E" – Pacific Region Appendix "F – Pipeline Agreement Appendix "G" – Quebec Region The following Letters of Understanding form part of this agreement. Letter of Understanding #1 – National – Practical Mentoring Letter of Interpretation #A – Atlantic Region – Meals Letter of Interpretation #B – Central Region – Meals Letter of Interpretation C – Prairie Region – Meals Letter of Understanding #4 – Pacific Region – Travel Enabling Clause The following Letters are attached hereto and form a part hereof: Letter of Interpretation – Central Region - LOA - Meals Letter of Interpretation – Prairie Region - LOA - Meals Negotiated at St. John’s, Halifax, Toronto, Montreal, Edmonton and Vancouver and subsequently ratified by all parties. The parties agree that some employees may require additional on the job training in order to have confidence and proficiency as a technician or in advanced specialty methods of inspection. In an effort to make that additional training available to the employees the parties agree to a Voluntary Mentoring Program. All employees will be provided fair and reasonable access to the mentoring program. This program is not meant to displace current trainees and these employees will be in addition to the regular work crews. No Mentor may train more than one employee at a time. Employees must register and sign a “Mentoring Agreement” recording the individual's CGSB certifications, training, and courses completed. The inspection method(s), the length of the training period, the scheduled hours of work and the rate of pay, along with potential Mentors will also be included. A copy of the agreement must be provided to the QCCC regional office for final authorization and registration. Employees registered in the Mentoring program must be under the constant and immediate supervision of the designated Mentor to which they have been assigned. The employee will receive 80% of the chargeable rate to which the employee would otherwise be entitled for the time spent in the registered mentoring program. (In the Atlantic and Quebec regions, the rate of pay cannot be lower than trainees with less than 1500 hours). For any work assigned outside of the mentoring program, the employee will receive their full rate of pay. The individual Mentoring Agreements may be cancelled by either party upon providing 30 day written notice. For the QCCC For the NDTMA International Brotherhood of Boilermaker, Lodge 203 ▇▇▇▇▇▇ ▇▇▇▇▇▇▇▇ United Association, Local 740 ▇▇▇▇▇▇ ▇▇▇▇▇▇▇ Boilermakers Lodge 73 ▇▇▇▇ ▇▇▇▇ United Association Local 325 ▇▇▇▇▇▇ ▇▇▇▇▇▇▇▇ Boilermakers Lodge 271 ▇▇▇▇▇ ▇▇▇▇▇▇▇▇▇ United Association Local 144 ▇▇▇▇▇▇▇ ▇▇▇▇▇▇▇▇▇▇ United Association Local 46 ▇▇▇▇ ▇▇▇ ▇▇▇▇▇▇▇ Boilermakers Lodge 128 ▇▇▇ Grills ▇▇▇▇▇▇ United Association Local 254 ▇▇▇▇ Kelcsics ▇▇▇▇▇▇▇▇ Boilermakers Lodge 555 ▇▇▇▇ ▇▇▇▇▇▇▇▇ United Association Local 488 ▇▇▇▇▇▇ ▇▇▇▇▇▇ Boilermakers Lodge 146 ▇▇▇▇ ▇▇▇▇▇▇▇▇▇ United Association Local 496 ▇▇▇▇▇▇ ▇▇▇▇▇▇▇▇▇ United Association Local 179 ▇▇▇▇ ▇▇▇▇▇▇ Boilermakers Lodge 359 ▇▇▇▇▇▇ ▇▇▇▇▇▇ United Association Local 170 ▇▇▇▇▇ ▇▇▇▇▇ The following conditions shall apply to all Field Heat Treatment work performed in Canada, by all signatory contractors. All other National and Regional articles apply for the National Heat Treatment unless otherwise specified within the appendix.