Investor Relations Contacts

Primary IR Contact

Rodney Young, CFO
StemCells, Inc.
3155 Porter Drive
Palo Alto, CA 94304
Tel: (650) 475-3100
irpr@stemcellsinc.com

Computershare Investor Services
P.O. Box 43023
Providence, RI 02940-3023
Tel: 781.575.2879
Fax: 617.360.6900
www.computershare.com

Ashton Partners
(312) 553-6700