Mayville Engineering Company, Inc. Equity Offering

Mayville Engineering Company, Inc. has entered into an underwriting agreement with William Blair & Company, L.L.C. and Craig-Hallum Capital Group LLC for an underwritten offering of 4,348,000 shares of its common stock. The offering price is $20.00 per share. The company also granted the underwriters an option to purchase up to an additional 652,000 shares, which was fully exercised. The offering is expected to close on May 21, 2026. The net proceeds, estimated at approximately $93.9 million, will be used for reducing outstanding amounts under its senior secured revolving credit facility, capital expenditures, and working capital. A portion of the credit facility repayment is attributed to the Accu-fab acquisition in July 2025. The senior secured revolving credit facility matures on June 28, 2028.