ENGLEWOOD, Colo. (Jan. 2, 2013) -CSG Systems International, Inc.(NASDAQ: CSGS), a global provider of software and services-based business support solutions that help clients generate revenue and maximize customer relationships, invites you to participate in a conference call on Tuesday, February 5, 2013, at 5:00 p.m. Eastern Time to discuss the company's fourth quarter and year end 2012 earnings results.

The one-hour conference call will feature Peter Kalan, CSG President and Chief Executive Officer, and Randy Wiese, CSG Chief Financial Officer. To reach the conference, dial 1-877-941-0844 and ask the operator for the CSG International conference call and Liz Bauer, chairperson.

Click here tojoin a webcast of CSG's earnings callin live or archived format.  A replay of the conference call will also be available until midnight Eastern Time on March 7, 2013, and can be accessed by calling 1-800-406-7325 and access code of 4581142.

About CSG International
CSG Systems International, Inc.(NASDAQ: CSGS) is a market-leading business support solutions and services company serving the majority of the top 100 global communications service providers, including leaders in fixed, mobile and next-generation networks such as AT&T, Comcast, DISH Network, France Telecom, MasterCard, Orange, T-Mobile, Telefonica, Time Warner Cable, Vodafone, Vivo and Verizon. With over 25 years of experience and expertise in voice, video, data and content services, CSG International offers a broad portfolio of licensed and Software-as-a-Service (SaaS)-based products and solutions that help clients compete more effectively, improve business operations and deliver a more impactful customer experience across a variety of touch points.www.csgi.com

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