X0201 4 2003-12-30 1 0000893821 ATTUNITY LTD ATTU 0001044321 MARXE AUSTIN W & GREENHOUSE DAVID M 153 E 53RD ST 55TH FL NEW YORK NY 10022 0 0 1 0 Common Stock 2003-12-31 4 S 0 2486923 1.55 D 350427 I By Limited Partnerships Warrants A 1.75 2003-12-31 4 S 0 1064006 0 D 2001-10-16 2005-10-24 Common Stock 0 262819 I by Limited Partnerships Warrants B 1.75 2003-12-31 4 S 0 354667 0 D 2001-10-16 2005-10-24 Common Stock 0 87608 I By Limited Partnerships Warrants were sold, not exercised. This is a joint filing by Austin W. Marxe (Marxe) and David M. Greenhouse (Greenhouse). They share voting and investment control over all securities owned by Special Situations Cayman Fund, L.P. (Cayman), Special Situations Private Equity Fund, LP (PE), Special Situations Technology Fund, L.P. (Tech) and Special Situations Technology II, L.P. (Tech II), respectively. 73,913 Wts A and 24,638 Wts B are held by Cayman, 133,668 Wts A and 44,557 Wts B are held by PE, 9,618 Wts A and 3,206 Wts B are held by Tech and 45,620 Wts A and 15,207 Wts B are held by Tech II. The interest of Marxe and Greenhouse in the shares of Common Stock owned by Cayman, PE, Tech, and Tech II is limited to the extent of his pecuniary interest. Austin W. Marxe 2003-12-31 David M. Greenhouse 2003-12-31