X0201 4 2004-02-18 1 0001226308 DIGITAL THEATER SYSTEMS INC DTSI 0001189596 MCELWEE JAMES B 2420 SAND HILL ROAD MENLO PARK CA 94025 1 0 1 0 Common Stock 2004-12-18 4 J 0 1055402 0 D 1055402 I Partnership Common Stock 2004-12-18 4 S 0 258996 20.56 D 0 D Distribution to partners for no consideration (no sale). Owned of record by Weston Presidio Capital II, L.P. The reporting person may be deemed to have an indirect pecuniary interest as a general partner of Weston Presidio Capital Management II, L.P, the general partner of Weston Presidio Capital II, L.P. The reporting person disclaims beneficial ownership of such shares except to the extent of his pecuniary interest therein. Owned of record by Weston Presidio Capital Management II, L.P. The reporting person may be deemed to have an indirect pecuniary interest as a general partner of Weston Presidio Capital Management II, L.P. The reporting person disclaims beneficial ownership of such shares except to the extent of his pecuniary interest. /s/ James B. McElwee 2004-02-18