Stock Trading History of Ruble Joseph Thomas

The following table details the trading activities (stock purchases, stock sales, and stock option exercises) reported to the Securities and Exchange Commission (SEC) by insider Ruble Joseph Thomas since year 2005. The trader's CIK number is 1382513. At the time of this reporting, Ruble Joseph Thomas is the EVP, Gen Counsel & Secretary of Csg Systems International Inc . (stock ticker symbol CSGS). See this page for all insider trading activities at Csg Systems International Inc .

Stock purchases, sales, and option exercises reported by insider *Ruble Joseph Thomas* since 2005.
Trade Date	Symbol	Company Name (Issuer)	Trade Type	Shares	Price ($)	Value ($)
2008-02-28	CSGS	Csg Systems International Inc	Sale	1,292	11.62	15,013
2008-01-15	CSGS	Csg Systems International Inc	Sale	3,547	12.76	45,259
2007-05-15	CSGS	Csg Systems International Inc	Sale	4,917	26.84	131,972

Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Ruble Joseph Thomas (EVP, Gen Counsel & Secretary of Csg Systems International Inc at the time of this reporting) see the Securities and Exchange Commission (SEC) website.