Appoints David Reymann Chair of the Audit Committee

NEW BRUNSWICK, N.J., April 13 /PRNewswire-FirstCall/ -- Arbinet-thexchange, Inc. (Nasdaq: ARBX), a leading provider of innovative voice and IP solutions for buying and selling telecommunications capacity, announced today that the company has appointed Robert M. Pons to the Board of Directors. The Company also announced the resignation of Michael Ruane from the Board and the appointment of David Reymann to succeed Mr. Ruane as Chair of the Audit Committee.

'Arbinet would like to thank Michael Ruane for his hard work and contributions to the board. With his departure, we are very pleased to announce the appointment of Robert Pons to our board of directors,' stated Shawn O'Donnell, Arbinet's Chief Executive Officer and President. 'Robert brings over 25 years of proven leadership experience which includes the implementation of new business strategies that successfully recapitalized companies.'

'In addition to Mr. Pons' appointment, the Board has also appointed David Reymann as Chair of the Audit Committee,' continued Mr. O'Donnell. 'Mr. Reymann has a wealth of financial experience, and we look forward to his leadership role as he oversees Arbinet's accounting and financial reporting processes and the audits of financial statements.'

'I am very excited to work with Shawn O'Donnell and the rest of the board of directors to strategically and successfully grow Arbinet,' acknowledged Mr. Pons. 'With Arbinet's scale, flexibility and financial stability, it is well positioned to grow within the global telecommunications industry.'

Mr. Pons is the Senior Vice President of Capital Markets for TMNG Global (Nasdaq: TMNG), where he manages the newly formed Capital Markets practice. TMNG Global provides professional services to the converging communications industry to more than 1200 communications service providers, entertainment, media and technology companies, and financial services firms worldwide. Prior to TMNG, Mr. Pons was the President and Chief Executive Officer for Uphonia, formerly SmartServ, where he successfully recapitalized the wireless sector of the business.

Mr. Reymann joined the Board of Arbinet in January 2009.