William Blair Capital Partners (WBCP), a Chicago-based private equity firm, has invested over $900 million since 1982 in more than 140 companies throughout the United States. The firm's fundamental investment philosophy is to help build successful companies by selecting and supporting outstanding management teams in growing industries. Today, WBCP makes private equity investments in venture and expansion stage financings as well as recapitalizations and buyouts in four targeted growth industries, business and financial services, consumer, health care products and services and technology. WBCP is the private equity group of William Blair & Company, L.L.C., a leading investment bank in Chicago. www.williamblair.com/Pages/wbcp_overview.asp

ClearLight Partners LLC (CLP) is a private equity firm based in Newport Beach, CA. CLP has a single limited partner, Secom Co., Ltd., a $12.5 billion publicly traded Japanese Company with a long history of sustained outstanding performance. CLP has a wide range of investment experience, including start-up funding, internal growth funding, platform and fold-in acquisitions, and leveraged buy-outs. This investment experience spans a number of industries, including education, manufacturing, IT services, technology, healthcare, consumer products, retail and security services. www.clearlightpartners.com