Catalyst Group, The

Two Riverway Suite 1710 Houston, Texas 77056 United States Phone: 713-623-8133 Fax: 713-623-473 Team: Ron Nixon, Partner Website: www.thecatalystgroup.net Company Type: Venture Capital Firm

Silver Ventures

5121 Broadway San Antonio, Texas 78209 United States Phone: 210-930-1251 Fax: 210-930-2482 Team: Rod Sands, Partner Website: www.silverbrands.com Company Type: Venture Capital Firm

CCG Venture Partners, LLC

P.O. Box 691328 Houston, Texas 77269 United States Phone: 281-893-8331 Fax: 281-290-8332 Team: Rick Davis, Partner Website: www.ccgvp.com Company Type: Venture Capital Firm

EDS Ventures

5400 Legacy Drive Plano, Texas 75024 United States Phone: 925-461-4651 Fax: 972-797-9393 Team: Richard H. “Dick” Brown, Partner Website: www.eds.com/edsventures Company Type: Venture Capital Firm

Telinvest Management Corp.

10723 Preston Road,#114 Dallas, Texas 75230 United States Phone: 972-403-108 Fax: 214-853-9292 Team: Raymond J. Herpers, Partner Website: www.telinvest.com Company Type: Venture Capital Firm

Watershed Capital LLC

7000 Bee Caves Road Suite 250 Austin, Texas 78746 United States Phone: 512-327-8885 Fax: 512-327-4959 Team: Ralph C. Derrickson, Partner Website: www.watershedcapital.com Company Type: Venture Capital Firm

Genesis Park Ventures

2001 Herman Drive Houston, Texas 77004 United States Phone: 713-285-2900 Fax: 713-285-2911 Team: Paul W. Hobby, Partner Website: www.genesis-park.com Company Type: Venture Capital Firm

Dali, Hook Partners

One Lincoln Centre 5400 LBJ Freeway Suite 1550 Dallas, Texas 75240 United States Phone: 972-991-5457 Fax: 972-991-5458 Team: Paul C. Dali, Partner Website: www.hookpartners.com Company Type: Venture Capital Firm

Sunwestern Investment Group

12221 Merit Drive Three Forest Plaza Suite 935 Dallas, Texas 75251-2251 United States Phone: 972-239-5650 Fax: 972-701-24 Team: Patrick A. Rivelli, Partner Company Type: Venture Capital Firm

Houston Venture Partners

P.O. Box 2023 Houston, Texas 77252 United States Phone: 713-222-8600 Fax: 713-222-8932 Team: Norman F. Newton Jr, Partner Website: www.houstonpartners.com Company Type: Venture Capital Firm

Castletop Capital

5000 Plaza On The Lake Suite 170 Austin, Texas 78746 United States Phone: 512-329-6600 Team: Mort Topfer, Partner Website: www.castletopcapital.com Company Type: Venture Capital Firm

El Paso Energy Corporation

1001 Louisiana Street Houston, Texas 77002 United States Phone: 713-420-2131 Fax: 713-420-4975 Team: Mike Stender, Partner Website: www.epenergy.com Company Type: Venture Capital Firm

Stratford Capital Partners, L.P.

300 Crescent Court Suite 500 Dallas, Texas 75201 United States Phone: 214-740-7377 Fax: 214-740-7393 Team: Michael D. Brown, Partner Company Type: Venture Capital Firm

Quantum Energy Partners, L.P.

777 Walker St. Suite 2520 Houston, Texas 77002 United States Phone: 713-225-4800 Fax: 713-225-5700 Team: Michael P. Dalton, Partner Website: www.quantumep.com Company Type: Venture Capital Firm

Silver Creek Technology Investors

5949 Sherry Lane Suite 1450 Dallas, Texas 75225 United States Phone: 214-265-2020 Fax: 214-692-6233 Team: Mark Masur, Partner Website: www.silvercreekfund.com Company Type: Venture Capital Firm

Sternhill Partners

777 Post Oak Boulevard Suite 250 Houston, Texas 77056 United States Phone: 713-622-2727 Fax: 713-622-3529 Team: Marc S. Geller, Partner Website: www.sternhillpartners.com Company Type: Venture Capital Firm