iBasis CEO to Present at Kaufman Brothers and Jefferies Investor Events

BURLINGTON, Mass.--(BUSINESS WIRE)--iBasis, Inc. (NASDAQ: IBAS), a KPN affiliate, today announced that company President and CEO Ofer Gneezy will present at the Kaufman Brothers 11^th Annual Investor Conference at 10 a.m. EDT on Wednesday, September 3rd and at the Jefferies 6^th Annual Communications Conference 10:45 a.m. EDT on Tuesday, September 9th. Both conferences will be held in New York.

Mr. Gneezy will provide an update on the progress of iBasis’ business and discuss the Company’s growth strategy for the future. A copy of Mr. Gneezy’s presentation will be posted on September 3 on the iBasis investor relations website at http://investor.ibasis.com, and a webcast of the presentation from the Jefferies Conference will be accessible both live and archived on the iBasis investor relations site on September 9.

About the Conferences

The Kaufman Brothers Investor Conference will be held September 3-5, 2008 at the W Hotel, 541 Lexington Avenue, New York. For more information visit the Kaufman Brothers web site at www.kbro.com.

The 6^th Annual Jefferies Communications Conference will be held September 9, 2008, at the Mandarin Oriental Hotel at Columbus Circle in New York City. A live and archived webcast of Mr. Gneezy’s presentation will be available on the iBasis investor relations site at http://investor.ibasis.com.

About iBasis

Founded in 1996, iBasis (NASDAQ: IBAS) is a leading wholesale carrier of international long distance telephone calls and a provider of retail prepaid calling services and enhanced services for mobile operators. iBasis customers include KPN, KPN Mobile, E-Plus, BASE, and many other large telecommunications carriers such as Verizon, Vodafone, China Mobile, China Unicom, IDT, Qwest, Skype, Telecom Italia, Telefonica, and Yahoo. In October 2007, iBasis acquired KPN Global Carrier Services to create one of the three largest carriers of international voice traffic in the world, and KPN became a majority stockholder of iBasis. On a pro forma basis, the combined company carried approximately 24 billion minutes of international voice traffic in 2007. The Company can be reached at its worldwide headquarters in Burlington, Mass., USA at +1 781-505-7500 or on the Internet at www.ibasis.com.

iBasis is a registered trademark of iBasis, Inc. All other trademarks are the property of their respective owners.

Except for historical information, all of the statements contained in the foregoing press release constitute forward-looking statements under Section 21E of the Securities Exchange Act of 1934 and involve risks and uncertainties. Examples of forward-looking statements include, but are not limited to, statements regarding our beliefs, expectations, plans and assumptions. Important factors that could cause actual results to differ materially from such forward-looking statements include, but are not limited to the factors described in the Company's most recent Annual Report on Form 10-K and other periodic and current reports, all of which are available at www.sec.gov. Such forward-looking statements are only as of the date they are made, and we have no current intention to update any forward-looking statements.