United States

Boston
Two International Place
Suite 1700
Boston, MA 02110
617-235-7500

Dallas
William Blair Funds Placement Group, LLC*
2200 Ross Ave, Suite 4900W
Dallas, TX 75201
214-665-7900
214-665-7901 (fax)

* Member FINRA and a wholly-owned subsidiary of William Blair & Company, LLC

Hartford
Putnam Place
100 Great Meadow Road
Suite 606
Wethersfield, CT 06109
800-596-2028

Indianapolis
450 East 96th Street
Suite 500
Indianapolis, IN 46240
317-581-6127

New York
666 Fifth Avenue
14th Floor
New York, NY 10103
212-237-2700

San Francisco
343 Sansome Street
Suite 1210
San Francisco, CA 94104
415-986-5596
415-986-1719 (fax)

International

London
William Blair International, Limited
3 St. Helen's Place
London EC3A 6AB
England
Equity Sales: 44-20-7868-4400
Equity Sales: 44-20-7868-4420 (fax)
Corporate Finance: 44-20-7868-4444
Corporate Finance: 44-20-7868-4488 (fax)
Investment Management 44-20-7868-4540

Shanghai
William Blair & Company, LLC Shanghai Representative Company
Suite 516, Level 5 
159 Madang Road 
North Block, Xintiandi
Shanghai 200021
China
86-21-6135-7288

Tokyo
William Blair Global Holdings
Kamiyacho MT Building, 13th Floor
4-3-20 Toranomon
Minato-ku, Tokyo
105-0001
Japan
81-3-5470-0720
81-3-5470-0730 (fax)

Zurich
Stockerstrasse 46
8002 Zurich
Switzerland
41-44-287-9020
41-44-201-0511 (fax)