X0306 4 2015-12-16 0 0000890264 EXA CORP EXA 0001609721 Gilbody Richard F. C/O EXA CORPORATION, 55 NETWORK DRIVE BURLINGTON MA 01803 0 1 0 0 Chief Financial Officer Common Stock 2015-12-16 4 P 0 10000 10.5224 A 10000 D The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $10.34 to $11.00, inclusive. The reporting person undertakes to provide to Exa Corporation, any security holder of Exa Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within such range. /s/ Robert W. Sweet, Jr., Attorney-in-Fact for Richard F. Gilbody 2015-12-18