CSG Closes Prairie Deal

ENGLEWOOD, Colo. -- CSG Systems International, Inc. (NASDAQ: CSGS - News), a leading provider of customer care and billing solutions, today announced that it has completed the acquisition of Prairie Voice Services, Inc. CSG initially announced the acquisition on July 30, 2007.

Additionally, CSG and Prairie have agreed to rename the company Prairie Interactive Messaging, Inc. and that it will operate as a wholly owned CSG company. The name change aims to better communicate the capabilities of Prairie's set of unified, interactive messaging solutions that manage customer interactions through inbound and outbound automated voice, text/SMS, email, and fax messaging services.

CSG Systems International Inc. (Nasdaq: CSGS)