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Donna M. Costello, Former Chief Financial Officer, C&D Technologies, Inc.

Donna M. Costello, born in 1973, was the Chief Financial Officer of C&D Technologies from 2016 until early 2020. Previously, Ms. Costello served as Chief Financial Officer of Sequa Corporation, a $1.5 billion global manufacturer and service provider in the Industrial and Aerospace markets, from 2008 to 2015. Prior to being promoted to Chief Financial Officer in 2008, Ms. Costello served as Vice President and Controller of Sequa Corporation, which was a publicly traded company until its acquisition by The Carlyle Group in 2007. From 2002 to 2005, Ms. Costello served as Vice President and Controller of Chromalloy Gas Turbine, Sequa’s largest subsidiary. Ms. Costello began her career in 1995 as an auditor for Arthur Andersen and advanced through a series of assignments to become a senior audit manager in 1999. Ms. Costello currently serves as a director of CTS Corporation, a manufacturer of sensors, actuators, and electronic components for the aerospace/defense, industrial, medical, telecommunications/IT, and transportation markets, a position she has held since 2021, where she serves on both the compensation and audit committees. Ms. Costello received her BBA and MBA from Iona College. Ms. Costello is a certified public accountant and a member of both the American Institute of Certified Public Accountants and the New York State Society of Certified Public Accountants. Ms. Costello is also a member of the Henry Crown Fellowship Program of the Aspen Institute