Gary Derrick, Derrick & Briggs LLP
BancFirst Tower, Suite 2700
100 N. Broadway Ave.
Oklahoma City, OK 73102
405-235-1900
EQ by Equiniti
Shareowner Services
P.O. Box 64945
St. Paul, MN 55164-0945
303-282-4800
For more investor information contact:
Investor Relations
Office: 800-635-7716
Email: info@eesokc.com