DANBURY, Conn., Oct. 30, 2009 (GLOBE NEWSWIRE) -- Penwest Pharmaceuticals Co. (Nasdaq:PPCO) will conduct a conference call on Thursday, November 5, at 11:00 a.m. ET to review its financial results for the third quarter of 2009, which will be released earlier that day. Operational developments and financial outlook will also be discussed on the call.