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Transfer Agent, Registrar of Stock and Dividend Disbursing Agent
Computershare
P.O. Box 43006
Providence, RI 02940-3006
Overnight correspondence should be sent to:
Computershare
150 Royall Street
Suite 101 Canton, MA 02021-1031
Phone: 866-293-5637
Corporate Website: www.computershare.com/investor
Contact the Board
Chairperson of Nominating and Corporate Governance Committee
c/o Corporate Secretary’s Office
Koppers Holdings Inc.
436 Seventh Avenue
Suite 1550
Pittsburgh, PA 15219