Westport Fuel Systems (AETR) investor relations material

Company overview and business model

• Designs, manufactures, and supplies alternative fuel, low-emissions transportation technologies for OEMs and commercial transport, supporting fuels like natural gas, RNG, and hydrogen.

• Portfolio includes High-Pressure Controls segment (GFI and AFS brands) and a 55% stake in Cespira, a joint venture with Volvo Group focused on HPDI fuel systems for heavy-duty engines.

• Technologies enable OEMs to meet regulatory and climate targets without compromising performance or cost-efficiency.

Financial performance and metrics

• As of June 30, 2026, had $23.9 million in cash and cash equivalents; pro forma cash position post-offering would be $47.9 million if fully utilized.

• Total liabilities as of June 30, 2026, were $32.7 million; shareholders' equity would increase from $52.3 million to $76.3 million post-offering.

• Management identifies a material uncertainty regarding ability to continue as a going concern, with projected cash insufficient to fund operations for the next twelve months.

Use of proceeds and capital allocation

• May receive up to $25 million in gross proceeds from sales to Roth Principal Investments over 36 months; actual proceeds may be less depending on share price and volume.

• Net proceeds intended for working capital and general corporate purposes, with management retaining broad discretion over allocation.