Sterling Partners

111 S. Calvert St. Suite 2810 Baltimore, Maryland 21202 United States Phone: 410-347-2900 Fax: 410-347-3140 Team: Eric Becker, Partner Website: www.sterlingcap.com Company Type: Venture Capital Firm

Aether Systems Capital

11460 Cronridge Drive Owings Mills, Maryland 21117 United States Phone: 410-654-6400 Fax: 410-654-6554 Team: David Oros, Partner Website: www.aethersystems.com Company Type: Venture Capital Firm

ABS Capital Partners

400 East Pratt Street Suite 910 Baltimore, Maryland 21202-3116 United States Phone: 410-246-5600 Fax: 410-246-5606 Team: Charles Dieveney, Partner Website: www.abscapital.com Company Type: Venture Capital Firm

Anthem Capital Management

16 South Calvert Street Suite 800 Baltimore, Maryland 21202 United States Phone: 410-625-1510 Fax: 410-625-1735 Team: Bill Gust, Partner Website: www.anthemcapital.com Company Type: Venture Capital Firm

QuestMark Partners, L.P.

One South Street Suite 800 Baltimore, Maryland 21202 United States Phone: 410-895-5800 Fax: 410-895-5808 Team: Bhenjamin E. Sacharpio, Partner Website: www.questmarkpartners.com Company Type: Venture Capital Firm

Calvert Funds

4550 Montgomery Avenue Suite 1000N Bethesda, Maryland 20814 United States Phone: 301-961-4788 Team: Barbara J. Krumsiek, Partner Website: www.calvert.com Company Type: Venture Capital Firm