Osborn Capital LLC

171 Grove Street Lexington, Massachusetts 2420 United States Phone: 781-402-1790 Fax: 781-402-1793 Team: Jeff Osborn, Partner Website: www.osborncapital.com Company Type: Venture Capital Firm

Adams, Harkness & Hill Technology Ventures

60 State Street 5th Floor Boston, Massachusetts 2109 United States Phone: 617-371-3900 Fax: 617-788-1663 Team: Jay Corscadden, Partner Website: www.ahhventures.com Company Type: Venture Capital Firm

NeoCarta Ventures, Inc

45 Fairfield St. 4th Floor Boston, Massachusetts 2116 United States Phone: 617-239-9000 Fax: 617-266-4107 Team: Jarrett D. Collins, Partner Website: www.neocarta.com Company Type: Venture Capital Firm

Tully & Netherlands Inc.

36 Washington St. Suite 190 Wellesley, Massachusetts 2481 United States Phone: 781-239-2900 Fax: 781-239-2901 Team: James C. Adams, Partner Website: www.tullyandNetherlands.com Company Type: Venture Capital Firm

Still River Fund, The

100 Federal Street 29th Floor Boston, Massachusetts 2110 United States Phone: 617-348-2327 Fax: 617-348-2371 Team: James A. Saalfield, Partner Website: www.stillriverfund.com Company Type: Venture Capital Firm

Gemini Investors LLC

20 William Street Suite 250 Wellesley, Massachusetts 2481 United States Phone: 781-237-7001 Fax: 781-237-7233 Team: James J. Goodman, Partner Website: www.gemini-investors.com Company Type: Venture Capital Firm

Charles River Ventures

1000 Winter St. Bay Colony Corporate C Suite 3300 Waltham, Massachusetts 2451 United States Phone: 781-768-6000 Fax: 781-768-6100 Team: Izhar Armony, Partner Website: www.crv.com Company Type: Venture Capital Firm

Longworth Venture Partners

1050 Winter Street Suite 2600 Waltham, Massachusetts 2451 United States Phone: 781-663-3600 Fax: 781-663-3619 Team: Ian Finley, Partner Website: www.longworth.com Company Type: Venture Capital Firm

TVM Techno Venture Management

101 Arch St. Suite 1950 Boston, Massachusetts 2110 United States Phone: 617-345-9320 Fax: 617-345-9377 Team: Hubert Birner, Partner Website: www.tvmvc.com Company Type: Venture Capital Firm

YankeeTek Ventures

One Memorial Drive 12th Floor Cambridge, Massachusetts 2142 United States Phone: 617-250-500 Fax: 617-250-501 Team: Howard Anderson, Partner Website: www.yankeetek.com Company Type: Venture Capital Firm

Mercator Ventures

91 Sherman Street Suite 3 Cambridge, Massachusetts 2140 United States Phone: 617-497-7744 Fax: 617-497-55 Team: Howard A. Samuels, Partner Website: www.mercatorventures.com Company Type: Venture Capital Firm

VIMAC LLC

177 Milk St. Boston, Massachusetts 02109-3410 United States Phone: 617-292-3300 Fax: 617-292-7979 Team: Haskell U. Crocker, Partner Website: www.vimac.com Company Type: Venture Capital Firm

Grace Venture Capital

11 Newbury Street 3rd Floor Boston, Massachusetts 2116 United States Phone: 617-351-44 Fax: 617-867-9089 Team: Gregory Grace, Partner Website: www.gracevc.com Company Type: Venture Capital Firm

Kestrel Venture Management

31Milk Street Suite 510 Boston, Massachusetts 2109 United States Phone: 617-451-6722 Fax: 617-451-3322 Team: Gregg R. Stone, Partner Website: www.kestrelvm.com Company Type: Venture Capital Firm

Lancet Capital

124 Mount Auburn St. Suite 200 N Cambridge, Massachusetts 2138 United States Phone: 617-330-9345 Fax: 617-330-9349 Team: George L. Sing, Partner Website: www.lancetcapital.com Company Type: Venture Capital Firm

Halpern, Denny & Co.

500 Boylston Street Suite 1880 Boston, Massachusetts 2116 United States Phone: 617-536-6602 Fax: 617-536-8535 Team: George P. Denny, Partner Website: www.halperndenny.com Company Type: Venture Capital Firm