Shareholder Services

For account information, stock transfers or general information about your holdings in Lufkin, please contact our transfer agent:

Computershare Investor Services
250 Royall Street
Canton, MA 02021
1-888-294-8217
www.computershare.com

If you have other general questions, you may also contact:

Rebecca Garza
Executive Assistant to the President & CEO
Lufkin Industries, Inc.
936-637-5274
rgarza@lufkin.com