CR5259 – Radiator Fan Fuse May Short – 2019-2021 Nova Bus LFS & 2019-2022 LFS Artic Buses

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260 Banker road, Plattsburgh, NY, USA 12901 | Tel: 1 800 350-6682 | Fax: 450 974-3001 | us.novabus.com NQF705001 version 3 IMPORTANT SAFETY RECALL THIS NOTICE APPLIES TO YOUR VEHICLE – SEE VIN IN ANNEX A December 12, 2022 This notice is sent to you in accordance with the National Traffic and Motor Vehicle Safety Act. Nova Bus (US) Inc. has decided that a defect which relates to motor vehicle safety exists in certain Nova Bus LFS and LFS Artic Model Years 2019 to 2022 manufactured from February 2019 to January 2022 and equipped with a certain radiator fans electrical circuit fuse holder configuration. Nova Bus (US) Inc. have voluntarily submitted the Vehicle Recall Report to NHTSA that generated the Safety Recall 22V416. The service document CR5259 explaining the measures to be taken to remedy the affected vehicles will be published on its web site https://us.novabus.com/customer-portal/. The vehicle can be remedied starting from September 14th 2022. The remedy should take approximately 45 minutes to complete. The necessary replacement parts will be available via the Nova Bus Parts distribution network. Nova Bus (US) Inc. will assume the parts and labour costs of the repair according to the warranty claim policies in effect. Under certain conditions, a certain configuration of radiator fans electrical fuse holder may experience excessive corrosion that may lead to an electrical resistive short. Under certain conditions, an electrical resistive short may increase the risk of a vehicle fire. During Pre-trip inspection and schedule preventive maintenance a thermal event in development may be detected by looking at the fuse holder plastic cap for heat damage. Any lessor who receives a notification of a determination of a safety-related defect or noncompliance pertaining to any leased motor vehicle shall send a copy of such notice to the lessee. This requirement applies to both initial and follow-up notifications but does not apply where the manufacturer has notified a lessor’s lessees directly. You may be eligible to receive reimbursement for the cost of obtaining a pre-notification remedy of a problem associated with this Safety-Related Defect. Please submit copies of all documentation supporting your claim according to the requirements specified in the “General Plan for Reimbursement of Prenotification Remedies” provided in this notification in Annex B. After contacting your customer support manager, if you are still not able to have the Safety-Related Defect remedied without charge and within reasonable time, you may submit a complaint to the Administrator, National Highway Traffic Safety Administration, 1200 New Jersey Ave., SE., Washington, DC 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 . SECOND NOTICE 260 Banker road, Plattsburgh, NY, USA 12901 | Tel: 1 800 350-6682 | Fax: 450 974-3001 | us.novabus.com NQF705001 version 3 If you have any questions regarding this Safety-Related Defect notification, please contact your customer support manager. Sincerely, Daniel Theriault Director, Field Service 260 Banker road, Plattsburgh, NY, USA 12901 | Tel: 1 800 350-6682 | Fax: 450 974-3001 | us.novabus.com NQF705001 version 3 ANNEX A Make Model Model year Road No. VIN Nova Bus LFS 2021 — Nova Bus LFS 2021 — Nova Bus LFS 2021 — Nova Bus LFS 2021 — Nova Bus LFS 2021 — Nova Bus LFS 2021 — Nova Bus LFS 2021 — Nova Bus LFS 2021 — Nova Bus LFS 2021 — Nova Bus LFS 2021 — Nova Bus LFS 2021 — Nova Bus LFS 2021 — Nova Bus LFS 2021 — Nova Bus LFS 2021 — Nova Bus LFS 2021 — 260 Banker road, Plattsburgh, NY, USA 12901 | Tel: 1 800 350-6682 | Fax: 450 974-3001 | us.novabus.com NQF705001 version 3 ANNEX B General Plan for Reimbursement of Pre-Notification Remedies When a Nova Bus vehicle is affected by a Safety Recall and the owner/purchaser (claimant) has the Safety-Related Defect or Noncompliance remedied at their own expense prior to receiving the manufacturer notification, Nova Bus (US) Inc. will reimburse the owner/purchaser for the reasonable amount paid (i.e. the cost of parts, labor, disposal fees and taxes) that addressed the Safety-Related Defect Noncompliance as described in the notification. To qualify, repairs must have been completed no earlier than one year prior to the release of the Safety Recall (notification to NHTSA) and no later than 10 days after the last mailing of the owner notification letters. All claims must be accompanied by accurate and complete documentation (the invoice/receipt must provide the VIN, date of repair, total amount paid and include a breakdown of the parts, labor, and other costs. Specific costs associated with this notification must be highlighted or circled on the invoice). The following information is required for your claim to be processed. Please print legibly. Date: _________________ Recall # :______________ 17 digits VIN: ________________________________ Owner’s Name: ________________________________ Own / Lease (circle one) Address: ______________________________________ Date of Repair: _______________________________ City, State, Zip: ________________________________ Amount Requested: ___________________________ Phone#: _______________________________________ Email: _______________________________________ I CERTIFY THAT I PAID FOR REPAIRS THAT REMEDIED THE SAFETY-RELATED DEFECT OR NONCOMPLIANCE AS DESCRIBED IN THE OWNER NOTIFICATION LETTER PRIOR TO BEING NOTIFIED. I ALSO CERTIFY THAT I HAVE PROVIDED CLEAR DOCUMENTATION OF THESE REPAIRS AND THAT ALL INFORMATION PROVIDED IS COMPLETE AND ACCURATE TO THE BEST OF MY KNOWLEDGE. Claimant __________________________________________________________________ _____________________ Authorized signature and date Contact Information Submit your claim together with copies of all supporting documentation to: Nova Bus Warranty, TMAC 850, chemin Olivier Saint-Nicolas (QC) G7A 2N1 Canada Email: adm.novabus.warranty@volvo.com Allow 60 days for processing and decision. Nova Bus (US) Inc. is not responsible for claims submitted to the wrong address. This process is not intended to handle incident, accident or property damage claims. Claims of that nature must be directed to our legal department at 1000 Industriel Boulevard, Saint-Eustache, QC, Canada J7R 5A5.

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NQF705003 VERSION 3 REFERENCE: Nova Bus Manuals SECTION: 16: 24-Volt Electrical System RS NO: MQR 7621-2467 EFFECTIVE IN PROD.: LE73 (2022MA) TC RECALL NO: 2022-310 NHTSA RECALL NO: 22V416 LEVEL DESCRIPTION DIRECT CHARGES TIME LABOUR MATERIAL 1 Clean and inspect the N84769 fuse holder and the N47759-250 fuse. Apply the anticorrosive product on the cables’ lug and the metal surface of the fuse holder. Nova Bus Nova Bus 45 min 2 Replace the N84769 fuse holder and/or the N47759-250 fuse – Nova Bus See Note* * The time is included in level 1 for the installation od the fuse holder and the fuse SUBJECT: Corrosion on the radiator fans electrical fuse holder in the engine compartment. JUSTIFICATION: 􀀸􀁑􀁇􀁈􀁕 􀁆􀁈􀁕􀁗􀁄􀁌􀁑􀁖 􀁆􀁒􀁑􀁇􀁌􀁗􀁌􀁒􀁑􀁖􀀏 􀁄 􀁆􀁈􀁕􀁗􀁄􀁌􀁑 􀁆􀁒􀁑􀂿􀁊􀁘􀁕􀁄􀁗􀁌􀁒􀁑 􀁒􀁉 􀁕􀁄􀁇􀁌􀁄􀁗􀁒􀁕 􀁉􀁄􀁑􀁖 􀁈􀁏􀁈􀁆􀁗􀁕􀁌􀁆􀁄􀁏 􀁉􀁘􀁖􀁈 􀁋􀁒􀁏􀁇􀁈􀁕 may experience excessive corrosion that may lead to an electrical resistive short. REVISION HISTORY REV. DATE CHANGE DESCRIPTION WRITTEN BY NR 2022JN27 Initial release Luc Carignan DISPOSAL OF PARTS REMOVED PARTS ARE: DISCARDED * RETAINED * Dispose of the unused parts and the defective parts in Yes – 􀁄􀁆􀁆􀁒􀁕􀁇􀁄􀁑􀁆􀁈 􀁚􀁌􀁗􀁋 􀁏􀁒􀁆􀁄􀁏 􀁈􀁑􀁙􀁌􀁕􀁒􀁑􀁐􀁈􀁑􀁗􀁄􀁏 􀁖􀁗􀁄􀁑􀁇􀁄􀁕􀁇􀁖 􀁌􀁑 􀁈􁂇􀁈􀁆􀁗􀀑 APPROVED BY: APPLICATION DEADLINE: NA CLAIM REFERENCE NUMBER: CR5259E PAGE 1 OF 11 RECALL CAMPAIGN Jean-Nicolas Fournier Digitally signed by Jean-Nicolas Fournier DN: cn=Jean-Nicolas Fournier, o=Nova Bus, email=jean-nicolas.fournier@volvo.com, c=CA Date: 2022.06.27 13:58:31 -04’00’ NOVaBUS INFORMATION REDACTED PURSUANTTOTHE FREEDOM OF INFORMATION ACT (FO IA), 5 U.S.C.552(8)(6) – NOVaBUS RECALL CAMPAIGN MATERIAL REQUIRED PER VEHICLE QTY PART N° REV. DESCRIPTION LEVEL 1 – – – – LEVEL 1 SHOP SUPPLIES””” 40oz N8910847 – CRC Citrus Degreaser (200 oz can) 3.2oz N8910848 – CRC Contact Cleaner (16 oz can) 2oz N67314 – Anticorrosive compound (NCP-2) (4 oz can) 2oz N86800 – Anticorrosive compound (Dolph’s ER-41 liquid red) (128 oz can) – WHEN YOU ORDER, SPECIFY THE NUMBER OF VEHICLES TO REPAIR. LEVEL 2 (only if required”*) 1 1 N84769 – Fuse holder N47759-250 – 250Afuse Materials will be avallable wTthin 85 days once your order has been placed. To order, please contact novabus.parts@volvo.com Or by phone for CANADA 1-800-771-6682, for USA 1-877-999-8808 Specify document number, quantity of parts required and shipping address. CR5259E ~ The material identified in Level 2 is to be ordered only for vehicles that meet the criteria defined in Level 1. ROAD NUMBER VIN (2NVY/4RKY … ) CLIENT ORDER QTY FROM TO FROM TO Academy Busline – New Jersey ·JS Ames Transportation Agency – Iowa 6149 6149 Ann Arbor Area Transportation Authority Michigan – AMTA – 2000 2000 Ann Arbor Area Transportation Authority Michigan – – 200’1 2007 7 AMTA Barrie Ontario – rnetrolinx 2001 2002 2 Barrie Ontario – Metrolinx 2101 2103 3 Barrie Ontario – rnetrolinx 2201 2203 3 Barrie Ontario – rnetrolinx 2204 2206 3 Belleville Transit- Ontario – Metrolfnx Brampton Ontario 2007 2024 18 Brampton Ontario 2101 2108 8 Brantford Ontario 102105 102109 5 Burlington Ontario – Metrolinx 2101 2108 8 PAGE 2 OF 11 NQF705003 VERSION 3 NOVaBUS RECALL CAMPAIGN CR5259E ROAD NUMBER VIN (2NVY/4RKY. .. ) CLIENT ORDER QTY FROM TO FROM TO Burlington Ontario – metrolinx 7220’1 72207 7 Cape Breton Nova Scotia Cape Breton Nova Sco1ia ‘1 CHARM city Baltimore – Maryland 1910218 1910223 6 CHARM city Baltimore – Maryland 1910234 1910239 6 Chicago Transit Authority – CTA- Illinois Cold Lake Alberta 50’17 5017 1 Demo – Altoona electric Bus – LFS–e+ (P97 50) Durtiam Region Transit Ontario – Metrolinx 7104 7’1’17 14 Durham Reg)on Transit Ontario – Metrolinx 9106 9107 2 Oumam Region Transit Ontario – metrolinx 7118 7122 5 Grand River Transit Ontario – GRT 2’190’1 219’12 12 Grand River Transit Ontario – GRT 22001 22031 3’1 Guelph Ontario 281 284 4 Halifax Nova Scotia 1370 1406 37 Houston Texas – Metro 2500 2501 2 Houston Texas – Metro 2502 2534 33 Lethbridge – Alberta 199 T203 L82J1 5 Maryland Transit Authority – MTA 20001 20001 Maryland Transit Authority – MTA 20031 2003·( 1 Maryland Transit Authority- MTA 20002 20030 29 Maryland Transit Authority – MTA 20032 20070 39 Maryland Transit Authority- MTA 21001 21070 70 Moncton (Codiac) – New Brunswick 4 Oakvllle Ontario – Metrolinx 6 Oakville Ontario – Metrolinx 7 Ottawa – OC transpo – metroliox 4683 4736 54 Ottawa – OC transpo – metrolinx 4737 4775 39 Ottawa – OC trans.po – metrolinx 4776 4830 55 Ottawa – OC transpo – metrolinx 4831 4849 “19 Capltal Area Transportation Authority Michigan – CATA 1 Regrna – Saskatchewan 2 Regina Saskatchewan 2201 2202 2 RMA World wide chauffeured Transportation NIA N/A 12 Rochester New York- RTS ‘1901 ‘1901 1 Rochester New York – RTS ‘1902 1910 9 San Juan Puerto Rico 2021-11 2021-17 7 Samia Ontario – metrolinx 211 212 2 Sl Catharines Ontario – metrolinx 2201 2209 9 Stratford Ontario – metrolinx 2 Strathcona County Transit -Alberta 2034 2037 4 Strathcona County Transit -Alberta 2031 2035 5 Sudbury Ontario – Metrolinx 9·10 9’19 ’10 Sudbury Ontario – Metrolinx 921 927 7 PAGE 3 OF 11 NQF705003 VERSION 3 NQF705003 VERSION 3 CLIENT ORDER ROAD NUMBER VIN (2NVY/4RKY…) QTY FROM TO FROM TO Thunder Bay Ontario – metrolinx 239 240 L82J5N3 L82J7N3 2 Trimet Portland Oregon 4501 4501 S92J3M9 S92J3M9 1 Trimet Portland Oregon 4502 4531 S92J6M9 S92J7N9 30 Welland Ontario – metrolinx — — L82J7M3 L82J9M3 2 Welland Ontario – metrolinx — — L82J0M3 L82J0M3 1 Whitehorse – Yukon — — L82J5M3 L82J6M3 2 Whitehorse Yukon N/A N/A L82J2L3 L82J4L3 2 York Regional Transit Ontario 1971 1980 S92J0K3 S92J3K3 10 CR5259E PAGE 4 OF 11 NOVaBUS RECALL CAMPAIGN NOVaBUS RECALL CAMPAIGN CR5259E -~ WARNING FOLLOW YOUR INTERNAL SAFETY PROCEDURES. PROCEDURE 1.1 . Park the vehicle on an even surface with the transmission on neutral (N). 1.2. Apply the parking brake and set the master control switch to the stop position. 1.3. Open the battery compartment door and set the battery disconnect switch to the off position. 1.4. Disconnect all the cables from the batteries’ positive terminals. Install a protective sleeve on the tip of the cables lug to avoid any contact with the positive terminal of the batteries. 1.5. Disconnect all the cables from the batteries’ negative terminals. Install a protective sleeve on the tip of the cables lug to avoid any contact with the negative terminal of the batteries. 1.6. Open the rear access door of the engine compartment. 1.7. Locate the 250A fuse holder N84769 for the radiator fan power supply. See Figure 1. 1.8. Remove the cover from the fuse holder. Retain the cover. See Figure 1. Figure 1 – Possible location of the fuse holder N84769 PAGE 5 OF 11 NQF705003 VERSION 3 NOVaBUS RECALL CAMPAIGN CR5259E ■ E9 WARNING For the next steps, follow your safety procedures. Before starting the application of the products recommended in the next steps, make sure that ventilation is adequate, to wear personnal protective equipment (PPE), such as chemicaJ splash goggles and neoprene gloves, as specified on the Material Safety Data Sheet (SOS) of the cleaning product and anticorrosive compounds. 1.9. Clean thoroughly the lug of the cables, the fuse, the fuse holder terminals and the fuse holder anchor bolts preferably with CRC Citrus degreaser (P/N NB910B47) or any equivalent product. See Figure 2. 1.10. Remove the MB anchor nuts which affix the cables to the fuse holder. Install a protective sleeve on the tip of the cables to avoid any contact with the structure. Retain the MB nuts. See Figure 2. 1.11 . Remove the MB anchor nuts which affix the N47759-250 to the fuse holder NB4769. Retain the nuts. See Figure 2. 1.12. Remove the M6 anchor bolts and nuts which affix the fuse holder to the structure. Retain the bolts, nuts and the fuse holder. See Figure 2 . • NB910B47 CRC Citrus degreaser Remove the cables anchor nuts and install a protective sleeve on the tip of the cables Remove the fuse holder anchor bolt and nut Figure 2 – N8910847 Degreaser and Detailed View of the Fuse Holder Installation NQF705003 VERSION 3 Remove the fuse holder anchor bolt and nut Remove the fuse anchor nuts and the fuse PAGE 6 OF 11 NOVaBUS RECALL CAMPAIGN CR5259E 1.13. Clean thoroughly the cables lug, the fuse and their anchor nuts with a nylon brush and CRC Contact Cleaner (P/N N8910848) or any equivalent product. Make sure that there is no traces of corrosion or dirt on both sides of the fuse, the lugs of the cables and on the retain nuts. See Figure 3. Nylon Brush N8910848 CRC Contact Cleaner Figure 3 – Nylon Brush and Contact Cleaner N8910848 1.14. Inspect the fuse for any visible sign of overheating on the fuse housing or any other significant damage. See Figure 4. 1.15. If any sign of overheating or any significant damage is detected on the fuse, proceed with the Level 2 procedure. Fuse Housing Figure 4 – Fuse N47759-250 PAGE 7 OF 11 NQF705003 VERSION 3 NOVaBUS RECALL CAMPAIGN CR5259E 1.16. Clean thoroughly the fuse holder and its anchor bolts and nuts with a nylon brush and CRC Contact Cleaner (P/N N8910848) or any equivalent product. Make sure that there is no traces of corrosion or dirt on both sides of the fuse holder, Clean the back of the fuse holder and remove any dirt or corrosion in the four holes shown in Figure 5. Nylon Brush N8910848 CRC contact cleaner Clean the 4 holes located behind the fuse holder Figure 5 – Nylon Brush, N8910848 Contact Cleaner and View of the 4 Holes Located Behind the Fuse Holder 1.17. Inspect the fuse holder for any visible sign of overheating or any other significant damage. 1.18. If any sign of overheating or any significant damage is detected on the fuse holder, proceed with the Level 2 procedure. 1.19. Fill the 4 holes located behind the fuse holder with NCP-2 N67314 or Dolph’s N86800 anti corrosive compound. It is important the anticorrosive product applied under the fuse holder must be the same as the one applied on the top portion of the fuse holder once the fuse holder is installed. See Figure 6. Fill the 4 holes located behind the fuse holder with anticorrosive compound Figure 6 – Anticorrosive Compound Application area Behind the Fuse Holder PAGE 8 OF 11 NQF705003 VERSION 3 NOVaBUS RECALL CAMPAIGN CR5259E 1.20. Install the fuse holder NS4769 on the structure using the retained M6 bolts and nuts. See Figure 7 for torque value. Do not apply torque seal at this step. & ‘”N”‘_o_re ____________________________ The M6 anchor bolts and nuts of the fuse holder shall be installed as indicated in Figure 7. M6 Bolts Tor 7 lb-ft (10 N – .- •· – Figure 7 – Fuse Holder Installation and Torque M6 Nuts Torque 7 lb-ft (10 N•m) 1.21 . Install the fuse N47759-250 in the fuse holder using the retained MS nuts. See Figure S for torque value 1.22. Affix the cables to the fuse holder using the retained MS nuts. See Figure S for torque value. Do not apply torque seal at this step. Affix the cables to the NS4769 fuse holder torque 15 lb-ft (20 N•m) Affix the fuse N47759-250 to the NS4769 fuse holder torque 15 lb-ft (20 N•m) Figure 8 – Torque for the lnstalation of the Cables and N47759-250 Fuse NQF705003 VERSION 3 PAGE 9 OF 11 NOVaBUS RECALL CAMPAIGN CR5259E THE NEXT STEPS INDICATE THE APPLICATION METHODS FOR THE ANTICORROSIVE COMPOUNDS NCP-2 N67314 AND DOLPH’S N86800. ~ WARNING Only one of the two products should be applied on the exposed metallic portion of the electric connections of the fuse holder, fuse and cables. 1.23. Follow these steps for the application of N67314 NCP-2 anticorrosive compound. a. Apply torque seal on the bolts and nuts torqued in steps 1.20, 1.21 and 1.22. b. Using a brush, apply a liberal amount of N67314 NCP-2 anticorrosive compound on the exposed metallic surface of the connections to protect them from corrosion. The product must cover completely the metallic surface of the electrical connection, the electrical connection points of the fuse, the exposed metallic parts of cable lugs connect to the fuse holder and the fuse holder anchor bolts. See Figure 9. Cover completely the metallic surface of the electrical connection points, the electrical connection points of the fuse, the exposed metallic parts of cable lugs connect to the fuse holder and the fuse holder’s anchor bolts with N67314 NCP-2 anticorrosive compound. NQF705003 VERSION 3 on orm app ,ca ,on o N67314 NCP-2 anticorrosive compound Figure 9 – Conform Application of N67314 NCP-2 Anticorrosive Compound PAGE 10 OF 11 NQF705003 VERSION 3 1.24. Follow these steps for the application of N86800 Dolph’s anticorrosive compound. a. Do not apply torque seal on the bolts and nuts torqued in steps 1.20, 1.21 and 1.22. b. Using a brush, apply a liberal amount of N86800 Dolph’s anticorrosive compound on the exposed metallic surface of the connections to protect them from corrosion. The product must cover completely the metallic surface of the connections, the electrical connection points of the fuse, the exposed metallic parts of the cable lugs connected to the fuse holder,and the fuse holder anchor bolts. Avoid covering the cables shrink tubing. See Figure 10. c. Allow 15 minutes for drying time. Then repeat the previous step to apply a second layer of the anticorrosive compound. d. Allow 15 minutes for drying time and apply the torque seal on the bolts and nuts torqued in steps 1.20, 1.21 and 1.22. Conform application of N86800 Dolph’s anticorrosive compound Figure 10 – Conform Application of N86800 Dolph’s Anticorrosive Compound 1.25. Install the retained cover on the fuse holder. 1.26. Close the rear access door of the engine compartment. 1.27. Connect the cables to the batteries’ positive terminals. Refer to your maintenance manual for the tightening torque applicable to the positive terminal of the batteries. 1.28. Connect the cables to the batteries’ negative terminals. Refer to your maintenance manual for the tightening torque applicable to the negative terminal of the batteries. LEVEL 2 : REPLACE THE N47759-250 FUSE AND/OR THE N84769 FUSE HOLDER 2.1. Replace the fuse N47759-250 by a new N47759-250 fuse. 2.2. Replace the fuse holder N84769 by a new N84769 fuse holder. 2.3. Complete the procedure of level 1 from step 1.19. CR5259E PAGE 11 OF 11 NOVaBUS RECALL CAMPAIGN

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260 Banker road, Plattsburgh, NY, USA 12901 | Tel: 1 800 350-6682 | Fax: 450 974-3001 | us.novabus.com NQF705001 version 3 IMPORTANT SAFETY RECALL THIS NOTICE APPLIES TO YOUR VEHICLE – SEE VIN IN ANNEX A USA June 27th, 2022 This notice is sent to you in accordance with the National Traffic and Motor Vehicle Safety Act. Nova Bus (US) Inc. has decided that a defect which relates to motor vehicle safety exists in certain Nova Bus LFS and LFS Artic Model Years 2019 to 2022 manufactured from February 2019 to January 2022 and equipped with a certain radiator fans electrical circuit fuse holder configuration. Nova Bus (US) Inc. have voluntarily submitted the Vehicle Recall Report to NHTSA that generated the Safety Recall 22V416. The service document CR5259 explaining the measures to be taken to remedy the affected vehicles will be published on its web site https://us.novabus.com/customer-portal/. The vehicle can be remedied starting from Septeber 14th 2022. The remedy should take approximately 45 minutes to complete. The necessary replacement parts will be available via the Nova Bus Parts distribution network. Nova Bus (US) Inc. will assume the parts and labour costs of the repair according to the warranty claim policies in effect. Under certain conditions, a certain configuration of radiator fans electrical fuse holder may experience excessive corrosion that may lead to an electrical resistive short. Under certain conditions, an electrical resistive short may increase the risk of a vehicle fire. During Pre-trip inspection and schedule preventive maintenance a thermal event in development may be detected by looking at the fuse holder plastic cap for heat damage. Any lessor who receives a notification of a determination of a safety-related defect or noncompliance pertaining to any leased motor vehicle shall send a copy of such notice to the lessee. This requirement applies to both initial and follow-up notifications but does not apply where the manufacturer has notified a lessor’s lessees directly. You may be eligible to receive reimbursement for the cost of obtaining a pre-notification remedy of a problem associated with this Safety-Related Defect. Please submit copies of all documentation supporting your claim according to the requirements specified in the “General Plan for Reimbursement of Prenotification Remedies” provided in this notification in Annex B. After contacting your customer support manager, if you are still not able to have the Safety-Related Defect remedied without charge and within reasonable time, you may submit a complaint to the Administrator, National Highway Traffic Safety Administration, 1200 New Jersey Ave., SE., Washington, 260 Banker road, Plattsburgh, NY, USA 12901 | Tel: 1 800 350-6682 | Fax: 450 974-3001 | us.novabus.com NQF705001 version 3 DC 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 . If you have any questions regarding this Safety-Related Defect notification, please contact your customer support manager. Sincerely, Daniel Theriault Director, Field Service 260 Banker road, Plattsburgh, NY, USA 12901 | Tel: 1 800 350-6682 | Fax: 450 974-3001 | us.novabus.com NQF705001 version 3 IMPORTANTE Notificación DE DEFECTO ESTA NOTIFICACION SE APLICA A SU VEHICULO– VEA LOS NIV(S) EN EL ANEXO (A) USA Junio 17th del 2022 Esta notificación de defecto es enviada a ustedes de acuerdo a lo requerido por el ”National Traffic and Motor Vehicle Safety Act’’. Nova Bus (US) Inc. ha decidido que un defecto relacionado con la seguridad de un vehículo motorizado está presente en ciertos modelos Nova Bus LFS y LFS Artic del año 2019 al 2022, fabricados de febrero del 2019 a enero del 2022 y equipados con ciertas configuraciones de cajas de fusibles de los ventiladores eléctricos del radiador. Nova Bus (US) Inc. de manera voluntaria, ha registrado un reporte de campaña de retiro a la NHTSA que ha generado la campaña de retiro 22V416. El documento de servicio CR5259 que explicará las medidas necesarias para solucionar el problema en los vehículos afectados. Este documento está a su disposición en nuestro portal web https://us.novabus.com/customer-portal/. El vehículo podrá ser reparado comenzando en septiembre 14 del 2022. La solución debe tomar 45 minutos aproximadamente. Las piezas de remplazo necesarias están disponibles vía la red de distribución de Nova Bus Parts. Nova Bus (US) Inc. asumirá el costo total de las piezas, incluyendo el trabajo de acuerdo con las políticas de reclamaciones vigentes. Bajo determinadas circunstancias, ciertas configuraciones de cajas de fusible de los ventiladores eléctricos del radiador pueden presentar corrosión que podría ocasionar un corto eléctrico de tipo resistivo, un corto eléctrico resistivo podría incrementar el riesgo de fuego en el vehículo. Durante la inspección de pre-recorrido y mantenimientos preventivos programados, un evento térmico puede ser detectado inspeccionado la tapa plástica de la caja de fusibles por daños ocasionado por calor Cualquier arrendador de vehículos que recibe una notificación de determinación de un defecto relacionado con la seguridad o un no cumplimiento de la conformidad pertinente a cualquier vehículo motorizado arrendado tiene que enviar una copia de esta notificación al arrendatario. Este requisito se aplica a la notificación inicial y las notificaciones de seguimiento. Usted podría ser admisible a un reembolso del costo de una reparación asociada a este defecto hecha antes de la pre-notificación. Someta copias de todos los documentos que apoyan su reclamación de acuerdo a las reglas especificadas en el “plan general de reembolso arreglos de pre-notificación’’, proporcionado en esta notificación en el Anexo B. Si después de haber contactado su gerente de servicio al cliente, todavía no tiene el defecto de seguridad resuelto sin costo y en un tiempo razonable, usted puede someter una queja al administrador National Highway Traffic Safety Administration, 1200 New Jersey Avenue, SE, Washington, DC 20590; o 260 Banker road, Plattsburgh, NY, USA 12901 | Tel: 1 800 350-6682 | Fax: 450 974-3001 | us.novabus.com NQF705001 version 3 llamar gratuitamente a la línea de teléfono de seguridad de denuncias(hotline) 1-888-327-4236 (TTY: 1- 800-424-9153 ), o ir a http://www.safercar.gov . Si usted tiene cualquier pregunta en relación con los requerimientos de esta campaña, sírvase contactar a su gerente de servicio al cliente. Cordialmente, Daniel Theriault Director, Field Service 260 Banker road, Plattsburgh, NY, USA 12901 | Tel: 1 800 350-6682 | Fax: 450 974-3001 | us.novabus.com NQF705001 version 3 ANNEX B General Plan for Reimbursement of Pre-Notification Remedies When a Nova Bus vehicle is affected by a Safety Recall and the owner/purchaser (claimant) has the Safety-Related Defect or Noncompliance remedied at their own expense prior to receiving the manufacturer notification, Nova Bus (US) Inc. will reimburse the owner/purchaser for the reasonable amount paid (i.e. the cost of parts, labor, disposal fees and taxes) that addressed the Safety-Related Defect Noncompliance as described in the notification. To qualify, repairs must have been completed no earlier than one year prior to the release of the Safety Recall (notification to NHTSA) and no later than 10 days after the last mailing of the owner notification letters. All claims must be accompanied by accurate and complete documentation (the invoice/receipt must provide the VIN, date of repair, total amount paid and include a breakdown of the parts, labor, and other costs. Specific costs associated with this notification must be highlighted or circled on the invoice). The following information is required for your claim to be processed. Please print legibly. Date: _________________ Recall #: ______________ 17 digits VIN: ________________________________ Owner’s Name: ________________________________ Own / Lease (circle one) Address: ______________________________________ Date of Repair: _______________________________ City, State, Zip: ________________________________ Amount Requested: ___________________________ Phone#: _______________________________________ Email: _______________________________________ I CERTIFY THAT I PAID FOR REPAIRS THAT REMEDIED THE SAFETY-RELATED DEFECT OR NONCOMPLIANCE AS DESCRIBED IN THE OWNER NOTIFICATION LETTER PRIOR TO BEING NOTIFIED. I ALSO CERTIFY THAT I HAVE PROVIDED CLEAR DOCUMENTATION OF THESE REPAIRS AND THAT ALL INFORMATION PROVIDED IS COMPLETE AND ACCURATE TO THE BEST OF MY KNOWLEDGE. Claimant __________________________________________________________________ _____________________ Authorized signature and date Contact Information Submit your claim together with copies of all supporting documentation to: Nova Bus Warranty, TMAC 850, chemin Olivier Saint-Nicolas (QC) G7A 2N1 Canada Email: adm.novabus.warranty@volvo.com Allow 60 days for processing and decision. Nova Bus (US) Inc. is not responsible for claims submitted to the wrong address. This process is not intended to handle incident, accident or property damage claims. Claims of that nature must be directed to our legal department at 1000 Industriel Boulevard, Saint-Eustache, QC, Canada J7R 5A5.

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OMB Control No.: 2127-0004 Part 573 Safety Recall Report 22V-416 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : Nova Bus (US) Inc. Submission Date : JUN 13, 2022 NHTSA Recall No. : 22V-416 Manufacturer Recall No. : CR5259 Manufacturer Information : Manufacturer Name : Nova Bus (US) Inc. Address : 260 Banker Road PLATTSBURGH NY 12901 Company phone : 450-472-6410 Population : Number of potentially involved : 273 Estimated percentage with defect : 100 % Vehicle Information : Vehicle 1 : 2019-2021 Nova Bus LFS Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : OTHER Power Train : NR Descriptive Information : Certains diesel and CNG powered vehicles equipped with a certain radiator fans electrical circuit fuse holder configuration. Production Dates : FEB 06, 2019 – SEP 10, 2021 VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 2 : 2019-2022 Nova Bus LFS Artic Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : OTHER Power Train : NR Descriptive Information : Certains diesel and CNG powered vehicles equipped with a certain radiator electrical circuit fuse holder configuration. Production Dates : JUN 17, 2019 – JAN 17, 2022 VIN Range 1 : Begin : NR End : NR Not sequential Description of Defect : Description of the Defect : Under certain conditions, a certain configuration of radiator fans electrical fuse holder may experience excessive corrosion that may lead to an electrical resistive short. FMVSS 1 : NR FMVSS 2 : NR Description of the Safety Risk : Under certain conditions, an electrical resistive short may increase the risk of a vehicle fire. Part 573 Safety Recall Report 22V-416 Page 2 The information contained in this report was submitted pursuant to 49 CFR §573 Description of the Cause : The technical analysis and root cause analysis is still in progress and may lead to additional root causes and/or contributing factors that may potentially lead to additional remedy actions. The absence, lack of and use of inadequate anti-corrosive coating for this specific configuration may allowed for accelerated and excessive corrosion on the fuse holder exposed terminals and mounting fasteners. In some case, an inverted mounting fasteners may also reduce the distance between an exposed terminal and the mounting fastener. Identification of Any Warning that can Occur : During pre-trip inspection and scheduled preventive maintenance a thermal event in development may be detected by looking at the fuse holder plastic cap for heat damages. Involved Components : Component Name 1 : Fuse holder Component Description : Fuse holder Component Part Number : N84769 Supplier Identification : Component Manufacturer Name : NR Address : NR NR Country : NR Chronology : 2022-02-21: Nova Bus is notified of a thermal event in the radiator fans electrical fuse holder area. 2022-02-24: Nova Bus Service creates a Field Report. 2022-03-21: Nova Bus is notified of a 2nd thermal event which may potentially have been initiated in the radiator fans electrical fuse holder area. 2022-04-27: Nova Bus mandates an external forensic investigator to investigate the 2022-03-21 thermal event with the customer external investigator. 2022-04-28: Volvo Trucks North America Product Safety Committee determines a Safety-Related Defect exists on certain Mack Trucks Australia equipped with a similar fuse holder. Part 573 Safety Recall Report 22V-416 Page 3 The information contained in this report was submitted pursuant to 49 CFR §573 2022-05-03: Nova Bus Product Safety Working Group begins the evaluation of this Potential Safety-Related Issue. 2022-05: Various customers vehicles surveyed. 2022-05: During a routine customer visit, Nova Bus service detects a 3rd thermal event in development in the fuse holder area. 2022-06-01: This Potential Safety-Related Issue is presented for information only to the Nova Bus Product Safety Committee. 2022-06-02: The Product Safety Working Group raises the Potential Safety-Related Issue to the Product Safety Committee. 2022-06-07: The Product Safety Committee determines a Safety-Related Defect exists. 2022-06-13: Nova Bus submits a vehicle recall report to NHTSA. Description of Remedy : Description of Remedy Program : Nova Bus will provide a service document to perform the remedy. All costs associated with this corrective measure will be covered by Nova Bus. Prenotification remedies will be addressed using the general reimbursement plan on file with NHTSA. How Remedy Component Differs from Recalled Component : The anti-corrosive coating specified in the remedy service document is better suited for this application and does not deteriotes over a short period of time such as the intial anti-corrosive coating under certain conditions. Identify How/When Recall Condition was Corrected in Production : Affected vehicles in Production at both Nova Bus assembly plants have been corrected with the anti-corrosive coating specified in the remdy document since 2022-04. Recall Schedule : Description of Recall Schedule : Note Nova Bus does not have a dealer network and the dates entered for the planned dealer notification begin/end dates are only to avoid NHTSA Recall Portal error when submitting the recall report. Planned Dealer Notification Date : JUN 30, 2022 – JUN 30, 2022 Planned Owner Notification Date : JUN 30, 2022 – JUN 30, 2022 * NR – Not Reported

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