BOTHELL, Wash.--(BUSINESS WIRE)--MDRNA, Inc. (Nasdaq: MRNA) announced today that it will host a conference call with investors and security analysts on Monday, August 4, 2008, at 4:30 p.m. Eastern Time (1:30 p.m. Pacific Time) to discuss financial results for the second quarter ended June 30, 2008. To participate in the live conference call, U.S. residents should dial 866-825-3354 and international callers should dial 617-213-8063. The participant code for the live conference call is 70557844. To access the 24-hour telephone replay, U.S. residents should dial 888-286-8010 and international callers should dial 617-801-6888. The participant code for the replay is 46944243.