Corporate Headquarters
Common Stock
Stock Symbol: PDRX
OTC Bulletin Board
SHAREHOLDER SERVICE LINE
STOCK TRANSFER AGENT
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