For shareowner inquiries, including stock certificates, stock transfers, dividend checks, and tax statements, please contact the transfer agent at:

Computershare
P.O. Box 43006
Providence, RI, 02940-3006
866.298.4984 – U.S.
201.680.6578 – Outside U.S.
Web: www.computershare.com/investor
Online inquiries: https://www-us.computershare.com/investor/Contact

Overnight correspondence should be sent to:

Computershare
150 Royall St, Suite 101
Canton, MA, 02021

For investor relations inquiries, contact:

Investor Relations
CF Industries Holdings, Inc.
2375 Waterview Drive
Northbrook, IL 60062

Investor inquiries
(847) 405-2550
Email: InvestorRelations@cfindustries.com

Media inquiries
Chris Close
(847) 405-2542
Email: cclose@cfindustries.com

To communicate with the Board of Directors, any individual director, or any group or committee of directors, address correspondence to the board, any individual director, or group or committee of directors by either name or title c/o the Corporate Secretary at:

CF Industries Holdings, Inc.
2375 Waterview Drive
Northbrook, IL 60062

Any contents that are not in the nature of advertising, promotions of a product or service, or patently offensive material will be forwarded promptly.