X0306 5 2017-12-31 1 0 1 0000890264 EXA CORP EXA 0001029160 SOROS FUND MANAGEMENT LLC 250 WEST 55TH STREET, 38TH FLOOR NEW YORK NY 10019 0 0 1 0 0000900203 SOROS GEORGE 250 WEST 55TH STREET 38TH FLOOR NEW YORK NY 10019 0 0 1 0 0001387524 SOROS ROBERT 250 WEST 55TH STREET, 38TH FLOOR NEW YORK NY 10019 0 0 1 0 Common Stock, $0.001 par value per share 2017-11-17 4 U 0 L 1744776 24.25 D 0 I See footnote These shares of common stock of Exa Corporation (the "Shares") were held for the account of Quantum Partners LP, a Cayman Islands exempted limited partnership ("Quantum Partners"). Soros Fund Management LLC ("SFM LLC") serves as principal investment manager to Quantum Partners. As such, SFM LLC has been granted investment discretion over portfolio investments, including the Shares that were held for the account of Quantum Partners. George Soros serves as Chairman and Manager of SFM LLC and Robert Soros serves as Manager of SFM LLC. /s/ Regan O'Neill, as Assistant General Counsel 2018-02-14 /s/ Regan O'Neill, as Attorney-in-Fact for George Soros 2018-02-14 /s/ Regan O'Neill, as Attorney-in-Fact for Robert Soros 2018-02-14