Iridium Satellite announces that it has 175,000 subscribers worldwide as of December 31, 2006. The new figure represents a 23.2 percent increase over last year’s subscriber total of 142,000. Revenue for the full year 2006 was $212.4 million and EBITDA (Earnings Before Interest, Taxes, Depreciation and Amortization) was $53.9m. Fourth quarter 2006 revenue was $53.2m and EBITDA was $14m. The company will announce plans for its new satellite constellation initiative, called Iridium NEXT, at the SATELLITE 2007 Conference, February 19-22, in Washington, D.C. Already under development, Iridium NEXT will provide increased bandwidth, support powerful new devices, and enable new services for commercial and government users.