(a) Financial Statements of Business Acquired.

Audited financial statements of Centillium as of December 31, 2007 and 2006, and for the three years in the period ended December 31, 2007 are attached hereto as Exhibit 99.1 and are included herein by reference.

Centillium's unaudited condensed consolidated financial statements as of September 30, 2008 and for the nine month periods ended September 30, 2008 and 2007 are attached hereto as Exhibit 99.2 and are included herein by reference.

(b) Pro Forma Financial Information.

TranSwitch's unaudited pro forma financial information as of and for the nine months ended September 30, 2008 and for the year ended December 31, 2007 is attached hereto as Exhibit 99.3 and is included herein by reference.

(d) Exhibits.

The following exhibits are filed herewith:

Exhibit No.   Description

   23.1       Consent of Ernst & Young LLP, independent auditors

   99.1       Centillium's audited consolidated financial statements
              as of December 31, 2007 and 2006, and for the three
              years in the period ended December 31, 2007

   99.2       Centillium's unaudited condensed consolidated
              financial statements as of September 30, 2008 and for
              the nine month periods ended September 30, 2008
              and 2007

   99.3       TranSwitch's unaudited pro forma financial information
              as of and for the nine months ended September 30, 2008
              and for the year ended December 31, 2007