X0201 3 2003-09-30 0 0000851560 TARANTELLA INC TTLAE 0001044321 MARXE AUSTIN W & GREENHOUSE DAVID M 153 E 53RD ST 55TH FL NEW YORK NY 10022 0 0 1 0 Common Stock 1492271 I By Limited Partnerships Warrants 1.395 2003-09-30 2008-09-30 Common Stock 1064556 I By Limited Partnerships 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 Technology Fund, LP (Tech) and Special Situations Technology II, LP. (Tech II), respectively. 244,471 shares of Common Stock are held by Tech and 1,247,800 shares of Common Stock are held by Tech II. The interest of Marxe and Greenhouse in the shares of Common Stock owned by Tech and Tech II is limited to the extent of his pecuniary interest. 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 Technology Fund, LP (Tech) and Special Situations Technology II, LP. (Tech II), respectively. 239,500 warrants are held by Tech of which 174,332 warrants are exercisable for 174,332 shares of common stock. 1,223,800 warrants are held by Tech II, of which 890,224 warrants are exercisable for 890,224 shares of common stock. The amount of warrants that are deemed exercisable will change accordingly with the total percentage of ownership. The interest of Marxe and Greenhouse in the shares of Common Stock owned by Tech and Tech II is limited to the extent of his pecuniary interest. Austin W. Marxe 2003-10-28 David M. Greenhouse 2003-10-28