PITTSBURGH--(BUSINESS WIRE)--May 30, 2007--BusinessWeek ranked Ansoft Corporation (NASDAQ:ANST) 25th on its annual Hot Growth list of America's 100 fastest-growing small companies, improving upon last year's ranking of 46. "Convergence is more than just a wonky buzz word at Ansoft. It's the engine of this Pittsburgh software maker's growth," writes BusinessWeek. "Ansoft rode the wave of the tech boom and now sees a new spurt of growth as devices get smaller and more complex." The top 25 Hot Growth companies "are among the most innovative and nimble players around," according to the magazine. "They're determined to be faster, and better, than the next guy." After analyzing data from 10,000 public companies with revenues of $50 million to $1.5 billion a year, BusinessWeek selected the top 100 finalists whose sales, earnings and return on capital grew the fastest over three years. "We're honored that BusinessWeek once again recognized Ansoft among the 100 fastest-growing small companies in America," said Nicholas Csendes, Ansoft's president and CEO. "Ansoft's focus on helping its customers profitably design high-performance electronic products found in the computer, communications, automotive, semiconductor and consumer electronics industries is the driving force behind the company's continued growth." To learn more about the 100 Hot Growth companies, visit www.businessweek.com/magazine/toc/07_23/B40370723hotgrowth.htm, or see the print edition of BusinessWeek dated June 4, 2007.