Call US now: 1-800-299-7379

Annual Report

Grant Thornton
Oklahoma City, OK

Independent Accountants

Stock Summary

For all current Stock Certificate Holders: please make sure that you keep Computershare updated as to your current address. If Computershare is unable to contact you as a Stock Certificate Holder, your property will be turned over to the state as unclaimed property.

Computershare
350 Indiana Street
Suite 750
Golden, CO 80401
T - 1-303-262-0678

www.computershare.com

Stock Transfer Agent

1-800-962-4284

Shareholder Service Line

Stock Symbol: PDRX
OTC Bulletin Board

Common Stock

727 North Ann Arbor
Oklahoma City, OK 73127
T - 1-405-942-3040
F - 1-405-942-5471

Corporate Headquarters

Investor Information