| Carbon Energy Corporation |
| 1700 Broadway, Suite 1170 Denver, CO 80290 Telephone: (720) 407-7030 Fax: (720) 407-7031 |
| Carbon California Operations |
| 270 Quail Court, Suite B Santa Paula, CA 93060 Telephone: (805) 933-1901 |
| Working and Royalty Interest Owner Inquiries |
(720) 407-7062
nameandaddress@carbonenergycorp.com