Approved List of Digital Signature Certification Authorities

Certification Authority

Certification Expires

DigiCert, Inc.
355 South 520 West
Canopy II, Suite 200
Lindon, UT 84042
Phone: (800) 896-7973
Fax: (801) 705-0481
www.digicert.com

July 31, 2010

Entrust, Inc.
One Lincoln Center
5400 LBJ Freeway,
Suite 1340
Dallas, Texas 75240
Phone: (888) 690-2424
www.entrust.net

August 31, 2010

GeoTrust, Inc.
487 East Middlefield Road
Mountain View, California 94043
Phone: (650) 426-5590
www.geotrust.com

November 30, 2010

GlobalSign, Inc.
Two International Drive, Suite 330
Portsmouth, New Hampshire 03801
Phone: (603) 570-7060
Phone: (877) 775-4562
Fax: (603) 570-7059
www.globalsign.com

November 30, 2009

Thawte, Inc.
487 East Middlefield Road
Mountain View, California 94043
Phone: (650) 426-5590
www.thawte.com

November 30, 2010

Verisign, Inc.
487 East Middlefield Road
Mountain View, California 94043
Phone: (650) 426-5590
www.verisign.com

November 30, 2010

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