X0304 4 2012-03-05 0001005757 CSG SYSTEMS INTERNATIONAL INC CSGS 0001070385 WIESE RANDY 9555 MAROON CIRCLE ENGLEWOOD CO 80112 1 EVP & CFO Common Stock 2012-03-05 4 S 0 13600 16.00 D 139615 D Common Stock 2012-03-05 4 S 0 100 16.0012 D 139515 D Common Stock 2012-03-05 4 S 0 100 16.0019 D 139415 D Common Stock 2012-03-05 4 S 0 200 16.005 D 139215 D Common Stock 2012-03-05 4 S 0 400 16.01 D 138815 D Common Stock 2012-03-05 4 S 0 100 16.0101 D 138715 D Common Stock 2012-03-05 4 S 0 100 16.0111 D 138615 D Common Stock 2012-03-05 4 S 0 400 16.02 D 138215 D The shares sold in Table 1 are pursuant to a 10b5-1 plan. The shares sold in Table 1 are pursuant to a 10b5-1 plan. The shares sold in Table 1 are pursuant to a 10b5-1 plan. The shares sold in Table 1 are pursuant to a 10b5-1 plan. The shares sold in Table 1 are pursuant to a 10b5-1 plan. The shares sold in Table 1 are pursuant to a 10b5-1 plan. The shares sold in Table 1 are pursuant to a 10b5-1 plan. The shares sold in Table 1 are pursuant to a 10b5-1 plan. Randy R. Wiese 2012-03-06