Stock Transfer Agent

Computershare Trust Company, N.A. acts as transfer agent and registrar.  Computershare, Inc. maintains all shareholder records for the Company.  If you have questions regarding the North American Scientific stock you own, stock transfers, address or name changes, lost stock certificates or duplicate mailings, please contact Computershare Trust Company, N.A. by writing or calling:

Computershare Trust Company, N.A.
Attn: Syed Hussaini
1745 Gardena Avenue
Glendale, CA 91204
Tel: (818) 502-1404
www.computershare.com