SONIC ANNOUNCES ACCELERATION OF OPTION VESTING

Sonic Innovations -- a designer, developer, manufacturer and marketer of advanced digital hearing aids -- announced that, on Dec. 23, 2004, it accelerated the exercisability of stock options previously awarded to employees, officers and directors with exercise prices greater than the closing price of its common stock as of Dec. 23, 2004 of $4.18 per share. Options to purchase approximately 1 million shares became exercisable immediately as a result of the vesting acceleration.

PR Newswire (http://www.prnewswire.com/cgi-bin/stories.pl?ACCT=109&STORY=/www/story/12-29-2004/0002726603&EDATE=)