Cost of revenue and OPEX synergies of the new iBasis are expected to exceed $20 million per year in the medium term. Welcome to the New iBasis. As a standalone business, iBasis has been building scale organically, with a compound annual traffic growth rate of 42% over the past five years. With a combined 20.1 billion minutes of traffic in 2006 the new iBasis will be one of the very largest international voice carriers in the world. The respective networks of iBasis and KPN Global Carrier Services are a smartest, resulting in extensive coverage in the Americas and in Europe, and a solid presence in Asia, the Middle East and Africa. Combined International Voice Traffic in Billions of Minutes (in billions of minutes) 2004 2005 2006 11.8 15.7 20.1 Leading Market Trends Meet Leading Market Players. The new iBasis will be a major player in two of the fastest growing segments of global telecommunications: mobile services and VoIP. KPN Global Carrier Services brings an established business in mobile services, including a reliable product portfolio and relationships with more than 100 mobile operators, as well as international traffic from KPN’s Dutch, German, and Belgian operations. iBasis has been a VoIP technology innovator for over a decade, having already built the largest and most advanced international VoIP network in the world. The iBasis Network ™is comprised of over 1,000 points of presence in more than 100 countries and interconnections with more than 600 carriers worldwide. Customers range from the household- name incumbents, like AT& T, Verizon, China Unicom, France Telecom, and Telefonica, to the emerging new players like Skype and Yahoo. The Bottom Line. The new iBasis will be a top tier player in the international voice communications marketplace, and the low- cost provider of international voice services. The new iBasis will feature a product portfolio that meets the needs of every major market segment, a global network footprint, and a commanding position in the mobile and VoIP market segments. The new iBasis will be a formidable force in international voice communications, one to be reckoned with —now and well into the future. By the Numbers. Large, Profitable and Financially Strong. 2006 Combined Pro forma Results Selected Pro forma Balance Sheet Data – March 31, 2007 ($ in millions) iBasis The new iBasis* ($ in millions) iBasis The new iBasis* Revenue $511 $1,297 Total Assets $141 $585 Gross Profit* $63 $133 Long Term Debt $0.5 $0.5 Gross Margin 12.4% 10.3% Stockholders’ Equity $36 $271 Adjusted EBITDA $12 $57 *Unaudited combined Pro Forma iBasis with KPN Global Carrier Services |