HAYWARD, CA--(MARKET WIRE)--Jun 23, 2006 -- Aradigm Corporation (NasdaqSC:ARDM - News) today announced that it has received a staff determination letter from the Nasdaq Stock Market Inc. (Nasdaq) stating that the Company’s common stock is subject to delisting from the Nasdaq Capital Market for not meeting specific listing criteria. The Company has the right to a hearing and will be submitting a request to the Nasdaq Listing Qualifications Panel on this matter. This request will stay the delisting of the Company’s securities pending the hearing and a determination by the Panel with the company continuing to trade its securities under the ticker symbol “ARDM” on the Nasdaq board. There can be no assurance that the Panel will grant the Company’s request for a hearing.