DANBURY, Conn., Oct. 21, 2008 (GLOBE NEWSWIRE) -- Penwest Pharmaceuticals Co. (Nasdaq:PPCO) will conduct a conference call on Tuesday, November 4th, at 11:00 a.m. EST to review its financial results for the third quarter of 2008, which will be released earlier that day. Operational developments and financial outlook will also be discussed on the call.