To amend the Internal Revenue Code of 1986 to provide a temporary exclusion of 100 percent of the gain on the sale or exchange of certain small business stock.

Amends the Internal Revenue Code to: (1) increase from 50 to 100% the exclusion from gross income allowed for gain from the sale or exchange of qualified small business stock that is acquired during 2010; and (2) exempt gain from such stock in calculating the alternative minimum tax.