Contact the Board

Stockholders and others interested may communicate with the Company’s Board of Directors as a group or the Chairman of the Executive Committee, the Audit Committee, the Compensation Committee, or the Nominating and Corporate Governance Committee by sending an e-mail to boardofdirectors@kaiseraluminum.com, auditchair@kaiseraluminum.com, compchair@kaiseraluminum.com, or execchair@kaiseraluminum.com, respectively, or by writing to such group or person at:

Kaiser Aluminum Corporation

Attn: Corporate Secretary (Board of Directors)
1550 West McEwen Drive, Suite 500
Franklin, TN 37067

phone (629) 252-7040