NEWARK, Del., April 20, 2010 (GLOBE NEWSWIRE) -- Innospec Inc. (Nasdaq:IOSP) today announced that it will release first quarter 2010 earnings results on Thursday, May 6, 2010 after market close. Following the release of its results, Patrick Williams, President and Chief Executive Officer, and Ian Cleminson, Executive Vice President and Chief Financial Officer, will host an interactive conference call on Friday, May 7, 2010 at 10:00 AM ET.