Corrosion May Cause Fuel Line Leak – 2016-2023 Coach and Equipment Phoenix Transit Buses

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Address: PO Box 36 ● 130 Horizon Park Drive ● Penn Yan, NY 14527 ● Main: 315.536.2321 ● Web: www.coachandequipment.com SAFETY RECALL NOTICE December 19, 2022 Name: XXXXXXXXXX Address: XXXXXXXXXXXXXXX RE: Safety Standard Recall Notification: 22V-851 Dear XXXXXXXXXXXX This notice is sent to you in accordance with the requirements of the National Traffic and Motor Vehicle Safety Act. Coach and Equipment Mfg. Corp. has determined that a defect, which relates to motor vehicle safety exists in your Coach and Equipment Mfg. Corp. bus installed with a Roush CleanTech Gen 4 or Gen 5 LPG fuel system. I M P O R T A N T! • Your Coach and Equipment Mfg. Corp. bus installed with a Roush CleanTech Gen 4 or Gen 5 LPG fuel system is being recalled. WHAT IS BEING RECALLED: This recall applies to approximately 353 Coach and Equipment Mfg. Corp. Phoenix buses installed with a Roush CleanTech Gen 4 or Gen 5 LPG fuel system manufactured between January 1, 2016, and March 31, 2023 and operated in the Salt Belt states. WHY IS IT BEING RECALLED: Roush CleanTech has determined that the zinc plated carbon steel fitting on the fuel return line in its Gen 4 and Gen 5 LPG fuel systems may corrode over time due to exposure to salt spray, particularly where impacts from road debris have damaged the protective coating that had been applied to the fitting. Such corrosion could lead to failure of the fuel return line fitting, which would result in a leak of liquid propane fuel, which would create a risk of fire. Roush CleanTech, LLC has not issued instructions to stop driving your vehicle under this safety recall. However, in the event that you detect a LPG fuel leak, please stop driving your vehicle, park it outdoors in a well-ventilated area, and contact Roush CleanTech, LLC immediately at 1-800-597-6874 to make arrangements for an interim remedy. Address: PO Box 36 ● 130 Horizon Park Drive ● Penn Yan, NY 14527 ● Main: 315.536.2321 ● Web: www.coachandequipment.com WHAT YOU AS THE (OWNER/ OPERATOR) SHOULD DO: The newly designed fuel return line (the remedy part) is not expected to be available until the end of the first quarter of 2023. Once these parts are available, the end users are to contact Roush CleanTech at 1-800-59-ROUSH or Support @ ROUSHCleanTech.com to arrange for parts and schedule repairs at an authorized repair center. WHAT COACH AND EQUIPMENT MFG. CORP. / ROUSH CLEANTECH, LLC WILL DO: Coach and Equipment incorporation with Roush CleanTech, LLC will provide the materials and the cost of labor for replacing defective parts. This remediation is to be conducted by Roush CleanTech, LLC authorized service centers. If you feel that Coach and Equipment Mfg. Corp. has not fully answered your questions, please contact the Administrator, National Highway Traffic Safety Administration, 1200 New Jersey Ave., S.E., Washington, D.C., 20590; or call the toll-free Vehicle Safety Hotline at 1-888-327-4236 (TTY: 1-800-424-9153); or go to http://www.safercar.gov. Thank you for your prompt attention to this matter. Your safety and satisfaction with the buses and services Coach and Equipment Mfg. Corp. provides to you are important to us and we regret this inconvenience to you. If you have any questions concerning these procedures, please contact Roush CleanTech, LLC Customer Service at 1-800-59-ROUSH, by email at [email protected] or Coach and Equipment Mfg. Corp. at (800)-724-8464. Sincerely, George D’Amato Recall Administrator Coach and Equipment Mfg. Corp.

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CLEAN TECH 0EcE,vEn n AUG O 1 21122 U BV=——- SAFETY DEFECT NOTIFICATION TO PURCHASERS OF ORIGINAL EQUIPMENT Mr. George D’ Amato Quality Manager Coach & Equipment 130 Horizon Park Dr. Penn Van, NY 14527 Re: Determination That a Safety-Related Defect Exists in the Fuel Return Line in Certain ROUSH CleanTech Gen 4 and Gen 5 LPG Fuel Systems Dear Mr. D’Amato: I am writing to formally notify you that Roush Clean Tech (“ROUSH”) has determined that the zinc plated carbon steel fitting on the fuel return line in its Gen 4 and Gen 5 LPG fuel systems (“LPG systems”] may corrode over time due to exposure to salt spray, particularly where impacts from road debris have damaged the protective coating that had been applied to the fitting. Such corrosion could lead to a failure ofthe fuel return line fitting, which would result in a leak of liquid propane fuel, which would create the risk of a fire. On June 9, 2022, the National Highway Traffic Safety Administration (“NHTSA”) accepted ROUSH’s defect information report notifying NHTSA of Roush’s determination that a defect relating to motor vehicle safety exists on some of its LPG systems due to this potential corrosion concern. However, because the corrosion at issue here occurs only in the presence of significant amounts of road salt, ROUSH’s defect determination applies only to LPG systems installed on vehicles originally or currently registered in the following states: Connecticut, Delaware, District of Columbia, Illinois, Indiana, Iowa, Kentucky, Maine, Maryland, Massachusetts, Michigan, Minnesota, Missouri, New Hampshire, New Jersey, New York, Ohio, Pennsylvania, Rhode Island, Vermont, Virginia, West Virginia, and Wisconsin. As required by NHTSA’s regulations, in its defect information report, ROUSH identified your company as a purchaser of some of the defective LPG systems for use as original equipment in new, altered vehicles. As such, NHTSA may contact your company to request that it recall vehicles with those systems that are or were registered in the States identified above. ROUSH CleanTech I 12170 Globe St. I Livonia, Ml 48150 800.59.ROUSH ROUSHcleantech.com …. ROUSHe CLEAN TECH If your company decides to conduct such a recall, ROUSH will provide remedy parts and labor at no cost to you or your customers. Unfortunately, however, despite ROUSH’s best efforts, replacement parts are not currently available. As soon as those parts are available, we will let you know via a second notice. If you currently have any of ROUSH’s LPG systems in your inventory with fuel return lines that have not been repaired or replaced, you should not use them on any vehicles. Similarly, you should not sell or deliver any vehicles that are equipped with defective fuel return lines that have not been repaired or replaced, since that would be a violation of Federal law. If you have any questions regarding this matter, please call me at (734) 466-6738 or at [email protected]. Sincerely, Mario Genovese Director of Customer Success ROUSH CleanTech I 12170 Globe St. I Livonia, Ml 48150 800.59.ROUSH ROUSHcleantech.com

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OMB Control No.: 2127-0004 Part 573 Safety Recall Report 22V-851 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : Coach and Equipment Mfg. Corp. Submission Date : SEP 01, 2023 NHTSA Recall No. : 22V-851 Manufacturer Recall No. : NR Manufacturer Information : Manufacturer Name : Coach and Equipment Mfg. Corp. Address : 130 Horizon Park Drive Penn Yan NY 14527 Company phone : 1-800-724-8464 Population : Number of potentially involved : 353 Estimated percentage with defect : 52 % Vehicle Information : Vehicle 1 : 2016-2023 Coach and Equipment Phoenix Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : ALL Power Train : CNG/LPG Descriptive Information : Roush Cleantech Gen 4 and Gen 5 LPG fuel conversion kits were installed on the concerned vehicles which were operated in the Salt Belt states. Production Dates : JAN 01, 2016 – MAR 31, 2023 VIN Range 1 : Begin : NR End : NR Not sequential Description of Defect : Description of the Defect : Some zinc-plated carbon steel fuel return line fittings on Gen 4 and Gen 5 Roush CleanTech LPG fuel conversion kits installed on vehicles operated in Salt Belt states have exhibited galvanic-reaction-caused corrosion where the stainless-steel crimp collar on the fuel return line contacts the zinc-plated carbon steel fitting, if the zinc plating has been compromised by road debris pecking. If this occurs there is risk that the fuel fine fitting could corrode to the point where LPG fuel will leak. FMVSS 1 : NR FMVSS 2 : NR Description of the Safety Risk : If the fuel return line leaks it could increase the risk of fire. Description of the Cause : Galvanic reaction can occur in Salt Belt states road conditions ( i.e., combination of road debris pecking on the zinc plated carbon steel fitting, and road salt and moisture from snow / ice / water. ) This galvanic reaction can create the potential for compromised zinc plating to corrode the carbon steel LPG fuel return line fittings where the stainless-steel crimp collar contacts the fitting. Part 573 Safety Recall Report 22V-851 Page 2 The information contained in this report was submitted pursuant to 49 CFR §573 Identification of Any Warning that can Occur : It may be possible to observe a significant amount of red rust on the fuel return line connector fitting prior to any leak. Involved Components : Component Name 1 : 1/4″ Fuel Return Line Component Description : Fuel return line assembly that includes a zinc-plated carbon steel fitting and stainless-steel crimp collar. Component Part Number : N/A Supplier Identification : Component Manufacturer Name : Roush CleantTech, LLC Address : 12170 Globe Street Lovonia Michigan 48150 Country : United States Chronology : We initially received a letter from Roush CleanTech on 8/1/2022 and an email on 10/27/2022 from the NHTSA. These communications explained the safety defect. Currently we have not had any warranty claims, field or service reports due to this issue. We were made aware of this safety defect through Roush CleanTech’s Part 573 Safety Recall Report 22E-049.and a letter they sent to us. Part 573 Safety Recall Report 22V-851 Page 3 The information contained in this report was submitted pursuant to 49 CFR §573 Description of Remedy : Description of Remedy Program : The newly designed fuel return line ( the remedy part ) is not expected to be available from Roush CleanTech until the end of the fourth quarter of 2023 or the first quarter of 2024. Once these parts are available the end users are to contact Roush CleanTech to schedule repairs. The end users must contact Roush Cleantech at 1-800-59-ROUSH or Support @ ROUSHCleanTech.com to make arrangements for parts and repair at an authorized repair center. All parts and material will be supplied by Roush, and Roush will cover all labor costs. Roush CleanTech will also reimburse the cost associated with obtaining a remedy for the problem addressed in this recall that occurred with in a reasonable time in advance of the notification of owners, purchasers ans dealers. How Remedy Component Differs from Recalled Component : A newly designed 1/4″ fuel return line Identify How/When Recall Condition was Corrected in Production : Roush CleanTech incorporated an interim fix, which covered the fuel return line with wrap and loom. This was cut in their production during December 2021, but the fuel return lines will still need to be replaced on any units with the interim fix that are operated in the Salt Belt states. Recall Schedule : Description of Recall Schedule : Letters will be sent to the concerned dealers and owners once the letters have been approved by NHTSA. Planned Dealer Notification Date : DEC 19, 2022 – DEC 20, 2022 Planned Owner Notification Date : DEC 19, 2022 – DEC 20, 2022 * NR – Not Reported

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OMB Control No.: 2127-0004 Part 573 Safety Recall Report 22V-851 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : Coach and Equipment Mfg. Corp. Submission Date : NOV 23, 2022 NHTSA Recall No. : 22V-851 Manufacturer Recall No. : NR Manufacturer Information : Manufacturer Name : Coach and Equipment Mfg. Corp. Address : 130 Horizon Park Drive Penn Yan NY 14527 Company phone : 1-800-724-8464 Population : Number of potentially involved : 353 Estimated percentage with defect : 52 % Vehicle Information : Vehicle 1 : 2016-2023 Coach and Equipment Phoenix Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : ALL Power Train : CNG/LPG Descriptive Information : Roush Cleantech Gen 4 and Gen 5 LPG fuel conversion kits were installed on the concerned vehicles which were operated in the Salt Belt states. Production Dates : JAN 01, 2016 – MAR 31, 2023 VIN Range 1 : Begin : NR End : NR Not sequential Description of Defect : Description of the Defect : Some zinc-plated carbon steel fuel return line fittings on Gen 4 and Gen 5 Roush CleanTech LPG fuel conversion kits installed on vehicles operated in Salt Belt states have exhibited galvanic-reaction-caused corrosion where the stainless-steel crimp collar on the fuel return line contacts the zinc-plated carbon steel fitting, if the zinc plating has been compromised by road debris pecking. If this occurs there is risk that the fuel fine fitting could corrode to the point where LPG fuel will leak. FMVSS 1 : NR FMVSS 2 : NR Description of the Safety Risk : If the fuel return line leaks it could increase the risk of fire. Description of the Cause : Galvanic reaction can occur in Salt Belt states road conditions ( i.e., combination of road debris pecking on the zinc plated carbon steel fitting, and road salt and moisture from snow / ice / water. ) This galvanic reaction can create the potential for compromised zinc plating to corrode the carbon steel LPG fuel return line fittings where the stainless-steel crimp collar contacts the fitting. Part 573 Safety Recall Report 22V-851 Page 2 The information contained in this report was submitted pursuant to 49 CFR §573 Identification of Any Warning that can Occur : It may be possible to observe a significant amount of red rust on the fuel return line connector fitting prior to any leak. Involved Components : Component Name 1 : 1/4″ Fuel Return Line Component Description : Fuel return line assembly that includes a zinc-plated carbon steel fitting and stainless-steel crimp collar. Component Part Number : N/A Supplier Identification : Component Manufacturer Name : Roush CleantTech, LLC Address : 12170 Globe Street Lovonia Michigan 48150 Country : United States Chronology : We initially received a letter from Roush CleanTech on 8/1/2022 and an email on 10/27/2022 from the NHTSA. These communications explained the safety defect. Currently we have not had any warranty claims, field or service reports due to this issue. We were made aware of this safety defect through Roush CleanTech’s Part 573 Safety Recall Report 22E-049.and a letter they sent to us. Part 573 Safety Recall Report 22V-851 Page 3 The information contained in this report was submitted pursuant to 49 CFR §573 Description of Remedy : Description of Remedy Program : The newly designed fuel return line ( the remedy part ) is not expected to be available from Roush CleanTech until the end of the first quarter of 2023. Once these parts are available the end users are to contact Roush CleanTech to schedule repairs. The end users must contact Roush Cleantech at 1-800-59-ROUSH or Support @ ROUSHCleanTech.com to make arrangements for parts and repair at an authorized repair center. All parts and material will be supplied by Roush, and Roush will cover all labor costs. Roush CleanTech will also reimburse the cost associated with obtaining a remedy for the problem addressed in this recall that occurred with in a reasonable time in advance of the notification of owners, purchasers ans dealers. How Remedy Component Differs from Recalled Component : A newly designed 1/4″ fuel return line Identify How/When Recall Condition was Corrected in Production : Roush CleanTech incorporated an interim fix, which covered the fuel return line with wrap and loom. This was cut in their production during December 2021, but the fuel return lines will still need to be replaced on any units with the interim fix that are operated in the Salt Belt states. Recall Schedule : Description of Recall Schedule : Letters will be sent to the concerned dealers and owners once the letters have been approved by NHTSA. Planned Dealer Notification Date : DEC 19, 2022 – DEC 20, 2022 Planned Owner Notification Date : DEC 19, 2022 – DEC 20, 2022 * NR – Not Reported

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OMB Control No.: 2127-0004 Part 573 Safety Recall Report 22V-851 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : Coach and Equipment Mfg. Corp. Submission Date : NOV 18, 2022 NHTSA Recall No. : 22V-851 Manufacturer Recall No. : NR Manufacturer Information : Manufacturer Name : Coach and Equipment Mfg. Corp. Address : 130 Horizon Park Drive Penn Yan NY 14527 Company phone : 1-800-724-8464 Population : Number of potentially involved : 353 Estimated percentage with defect : 52 % Vehicle Information : Vehicle 1 : 2016-2023 Coach and Equipment Phoenix Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : ALL Power Train : CNG/LPG Descriptive Information : Roush Cleantech Gen 4 and Gen 5 LPG fuel conversion kits were installed on the concerned vehicles which were operated in the Salt Belt states. Production Dates : JAN 01, 2016 – MAR 31, 2023 VIN Range 1 : Begin : NR End : NR Not sequential Description of Defect : Description of the Defect : Some zinc-plated carbon steel fuel return line fittings on Gen 4 and Gen 5 Roush CleanTech LPG fuel conversion kits installed on vehicles operated in Salt Belt states have exhibited galvanic-reaction-caused corrosion where the stainless-steel crimp collar on the fuel return line contacts the zinc-plated carbon steel fitting, if the zinc plating has been compromised by road debris pecking. If this occurs there is risk that the fuel fine fitting could corrode to the point where LPG fuel will leak, FMVSS 1 : NR FMVSS 2 : NR Description of the Safety Risk : If the fuel return line leaks it could increase the risk of fire. Description of the Cause : Galvanic reaction can occur in Salt Belt states road conditions ( i.e., combination of road debris pecking on the zinc plated carbon steel fitting, and road salt and moisture from snow / ice / water. ) This galvanic reaction can create the potential for compromised zinc plating to corrode the carbon steel LPG fuel return line fittings where the stainless-steel crimp collar contacts the fitting. Part 573 Safety Recall Report 22V-851 Page 2 The information contained in this report was submitted pursuant to 49 CFR §573 Identification of Any Warning that can Occur : It may be possible to observe a significant amount of red rust on the fuel return line connector fitting prior to any leak. Involved Components : Component Name 1 : 1/4″ Fuel Return Line Component Description : Fuel return line assembly that includes a zinc-plated carbon steel fitting and stainless-steel crimp collar. Component Part Number : N/A Supplier Identification : Component Manufacturer Name : Roush CleantTech, LLC Address : 12170 Globe Street Lovonia Michigan 48150 Country : United States Chronology : We initially received a letter from Roush CleanTech on 8/1/2022 and an email on 10/27/2022 from the NHTSA. These communications explained the safety defect. Description of Remedy : Description of Remedy Program : The newly designed fuel return line ( the remedy part ) is not expected to be available from Roush CleanTech until the end of the first quarter of 2023. Once these parts are available the end users are to contact Roush CleanTech to schedule repairs. The end users must contact Roush Cleantech at 1-800-59-ROUSH or Support @ ROUSHCleanTech.com to make arrangements for parts and repair at an authorized repair center. All parts and material will be supplied by Roush, and Roush will cover all labor costs. Part 573 Safety Recall Report 22V-851 Page 3 The information contained in this report was submitted pursuant to 49 CFR §573 How Remedy Component Differs from Recalled Component : A newly designed 1/4″ fuel return line Identify How/When Recall Condition was Corrected in Production : Roush CleanTech incorporated an interim fix, which covered the fuel return line with wrap and loom. This was cut in their production during December 2021, but the fuel return lines will still need to be replaced on any units with the interim fix that are operated in the Salt Belt states. Recall Schedule : Description of Recall Schedule : Letters will be sent to the concerned dealers and owners once the letters have been approved by NHTSA. Planned Dealer Notification Date : DEC 19, 2022 – DEC 20, 2022 Planned Owner Notification Date : DEC 19, 2022 – DEC 20, 2022 * NR – Not Reported

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