Eric Stine

Rob Brown

Chris Dendrinos

Sameer Joshi

Amit Dayal

Chris Dandenas

Christopher Dendrinos

Jeff Osborne

- **Cespira**, a joint venture between **Westport Fuel Systems Inc.** and the **Volvo Group**, has signed an agreement with a **leading OEM** to supply **HPDITM components** for a customer truck trial.  **[1370416_0001171843-25-006421_exh_991.htm:0]** 
- Cespira will deliver **several hundred sets** of a key component, for which the OEM has already provided **full payment**.  **[1370416_0001171843-25-006421_exh_991.htm:0]** 
- The trial aims to assess the **market interest and viability** of the direct injection system in heavy-duty trucking markets, potentially leading to further investment and **full commercialization** with this second OEM.  **[1370416_0001171843-25-006421_exh_991.htm:0]**

Westport Fuel Systems' Cespira Signs Agreement for Truck Trial Components

- **Cespira**, a joint venture between Westport Fuel Systems and the Volvo Group, has signed an agreement with a leading OEM.  **[1370416_226d3ab45da642208dd48cced58a843b_0]** 
- Cespira received **full payment** for supplying **several hundred sets** of a key HPDITM component for a customer truck trial.  **[1370416_226d3ab45da642208dd48cced58a843b_0]** 
- The truck trial is designed to assess the **market interest and viability** of the direct injection system in certain heavy-duty trucking markets.  **[1370416_226d3ab45da642208dd48cced58a843b_0]** 
- The trial is expected to form the basis for the OEM to determine whether to make a **further investment** to commercialize this system.  **[1370416_226d3ab45da642208dd48cced58a843b_0]**

Westport Fuel Systems' Cespira Signs Agreement to Supply Components for Customer Truck Trial

WESTPORT FUEL SYSTEMS (WPRT)