ATPG: 8% convertible perpetual preferred stock: $0.001 par value, 10,000,000 shares authorized; 2,339,811 issued and outstanding at June 30, 2011; 1,400,000 issued and outstanding at December 31, 2010. Liquidation value of $234.0 million and $140.0 million at June 30, 2011 and December 31, 2010, respectively.