IOP Innospec Inc.

Innospec Inc. (NYSE: IOP), formerly Octel Corp., an international chemical company specializing in the manufacture, distribution and marketing of fuel additives and specialty chemicals, issued a reminder that the company will report fourth quarter and full year 2005 results on Monday, February 6, 2006, after the close of the market. Following the release of its results, the company will host a conference call for the investment community on Tuesday, February 7th. Hosting the call will be Paul Jennings, President and Chief Executive Officer, and Jim Lawler, Executive Vice President and Chief Financial Officer of Innospec Inc. The call will begin promptly at 8:30 A.M. EST and can be accessed using the dial-in numbers 1 (800) 370-0923 (toll free) or 1 (973) 409-9261 (international) or via a simultaneous webcast on the company website www.innospecinc.com. The webcast and audio replay will be available beginning at 11:30 A.M. EST on February 7th until midnight on February 21st. The replay numbers are 1 (877) 519-4471 (toll free) and 1 (973) 341-3080 (international), conference ID # 6893805. About Innospec Inc. Innospec Inc., a Delaware corporation, is an international specialty chemical company focused on providing unique and value added solutions in the fuel additives and performance chemicals markets. The Company's operations divide into three distinct businesses - Fuel Specialties, Performance Chemicals and Octane Additives. Innospec employs almost 1,000 people in 21 countries with manufacturing bases in many countries and a worldwide distribution network already in place. The business had annual revenues in excess of $450 million in fiscal year 2004.