Mayville Engineering Company Elects Tania Wingfield to Board of Directors

MILWAUKEE, July 25, 2025 –– Mayville Engineering Company (NYSE: MEC) (“MEC” or the “Company”), a leading U.S.-based provider of design, prototyping, and manufacturing solutions across diverse end markets, today announced the election of Tania Wingfield to its Board of Directors, effective immediately. Ms. Wingfield will serve on the Compensation Committee. The election brings the total number directors on MEC’s board to seven.

Ms. Wingfield currently serves as Executive Vice President and Chief Human Resources Officer of BorgWarner, Inc., a global leader in innovative propulsion systems. She brings more than thirty years of experience in manufacturing, operations, engineering, supply chain and business transformation.

“We are honored to welcome Tania to MEC’s Board of Directors,” said Jag Reddy, MEC’s President & CEO. “She brings deep manufacturing expertise, having led operations, supply chains and product development initiatives across global businesses. Her strategic leadership and operational experience will be invaluable as we execute our MBX strategy and focus on delivering long-term value creation.”