Iridium Communications Inc. (Nasdaq:IRDM) (“Iridium”) today announced that Chief Executive Officer Matthew J. Desch is scheduled to speak at the 2015 William Blair Growth Stock Conference in Chicago on Wednesday, June 10, 2015 at 8:00 am CT. The presentation will be simultaneously audio webcast at http://investor.iridium.com/events.cfm. The audio webcast will be archived for 30 days following the conference.

About Iridium Communications Inc.

Iridium® is the only mobile voice and data satellite communications network that spans the entire globe. Iridium enables connections between people, organizations and assets to and from anywhere, in real time. Together with its ecosystem of partner companies, Iridium delivers an innovative and rich portfolio of reliable solutions for markets that require truly global communications. The company has a major development program underway for its next-generation network – Iridium NEXT. Iridium Communications Inc. is headquartered in McLean, Va., U.S.A., and its common stock trades on the NASDAQ Global Select Market under the ticker symbol IRDM. For more information about Iridium products, services and partner solutions, visit www.iridium.com. IRDM-F