XPEDIOR, INC.

DateInflation Amount Per Share*
12/16/1999**$15.0626***
12/17/1999$15.0626
12/20/1999$15.0626
12/21/1999$15.0626
12/22/1999$15.0626
12/23/1999$15.0626
12/27/1999$15.0626
12/28/1999$15.0626
12/29/1999$15.0626
12/30/1999$15.0626
12/31/1999$15.0626
1/3/2000$15.0626
1/4/2000$15.0626
1/5/2000$15.0626
1/6/2000$15.0626
1/7/2000$15.0626
1/10/2000$15.0626
1/11/2000$15.0626
1/12/2000$15.0626
1/13/2000$15.0626
1/14/2000$15.0626
1/18/2000$15.0626
1/19/2000$15.0626
1/20/2000$14.0961
1/21/2000$14.2204
1/24/2000$14.5429
1/25/2000$15.0626
1/26/2000$15.0626
1/27/2000$15.0626
1/28/2000$15.0626
1/31/2000$15.0626
2/1/2000$15.0626
2/2/2000$15.0626
2/3/2000$15.0626
2/4/2000$15.0626
2/7/2000$15.0626
2/8/2000$15.0626
2/9/2000$14.2419
2/10/2000$13.9838
2/11/2000$14.0249
2/14/2000$13.3993
2/15/2000$13.0223
2/16/2000$12.3353
2/17/2000$12.1717
2/18/2000$11.6517
2/22/2000$10.8387
2/23/2000$12.0152
2/24/2000$11.6653
2/25/2000$11.3273
2/28/2000$11.3903
2/29/2000$11.0056
3/1/2000$10.6882
3/2/2000$11.1906
3/3/2000$11.209
3/6/2000$10.5554
3/7/2000$10.1221
3/8/2000$10.3073
3/9/2000$10.4512
3/10/2000$10.4512
3/13/2000$10.0206
3/14/2000$9.44
3/15/2000$9.1021
3/16/2000$8.9339
3/17/2000$9.3002
3/20/2000$9.4936
3/21/2000$9.1395
3/22/2000$12.9736
3/23/2000$14.4683
3/24/2000$14.4675
3/27/2000$14.8082
3/28/2000$14.4821
3/29/2000$13.987
3/30/2000$13.4998
3/31/2000$13.243
4/3/2000$11.3553
4/4/2000$10.5775
4/5/2000$10.5734
4/6/2000$10.9741
4/7/2000$11.9296
4/10/2000$11.6651
4/11/2000$11.8625
4/12/2000$11.2284
4/13/2000$11.5468
4/14/2000$10.1974
4/17/2000$10.2362
4/18/2000$9.775
4/19/2000$10.2928
4/20/2000$9.7943
4/24/2000$9.805
4/25/2000$9.8172
4/26/2000$10.01
4/27/2000$9.9998
4/28/2000$10.1533
5/1/2000$10.086
5/2/2000$9.8482
5/3/2000$10.168
5/4/2000$10.137
5/5/2000$10.161
5/8/2000$10.2972
5/9/2000$10.1784
5/10/2000$9.6327
5/11/2000$9.9342
5/12/2000$9.555
5/15/2000$9.6113
5/16/2000$9.6645
5/17/2000$9.3575
5/18/2000$9.2092
5/19/2000$8.6893
5/22/2000$8.0659
5/23/2000$7.0795
5/24/2000$8.6629
5/25/2000$8.6991
5/26/2000$8.6995
5/30/2000$9.054
5/31/2000$9.1221
6/1/2000$8.9201
6/2/2000$9.6537
6/5/2000$10.3088
6/6/2000$9.9092
6/7/2000$10.2144
6/8/2000$10.1833
6/9/2000$10.0563
6/12/2000$10.0962
6/13/2000$10.1518
6/14/2000$10.4382
6/15/2000$10.7147
6/16/2000$10.8551
6/19/2000$10.4534
6/20/2000$10.0146
6/21/2000$9.3233
6/22/2000$9.7097
6/23/2000$9.779
6/26/2000$9.7432
6/27/2000$10.0301
6/28/2000$9.7746
6/29/2000$9.6862
6/30/2000$8.9297
7/3/2000$8.8337
7/5/2000$8.6606
7/6/2000$8.6533
7/7/2000$8.709
7/10/2000$8.6504
7/11/2000$8.5894
7/12/2000$8.6105
7/13/2000$8.324
7/14/2000$8.3801
7/17/2000$8.5964
7/18/2000$8.9491
7/19/2000$8.8631
7/20/2000$8.8549
7/21/2000$9.0194
7/24/2000$8.9952
7/25/2000$9.0524
7/26/2000$9.057
7/27/2000$9.0041
7/28/2000$8.7334
7/31/2000$8.5692
8/1/2000$8.6372
8/2/2000$8.3574
8/3/2000$7.9132
8/4/2000$7.5681
8/7/2000$7.4054
8/8/2000$7.9046
8/9/2000$7.7556
8/10/2000$7.4732
8/11/2000$7.44
8/14/2000$7.6522
8/15/2000$7.5888
8/16/2000$7.713
8/17/2000$7.7065
8/18/2000$7.5188
8/21/2000$7.3929
8/22/2000$7.6426
8/23/2000$7.9501
8/24/2000$8.0088
8/25/2000$7.8858
8/28/2000$7.508
8/29/2000$7.6945
8/30/2000$7.5082
8/31/2000$7.3764
9/1/2000$7.4062
9/5/2000$6.1325
9/6/2000$5.4549
9/7/2000$5.1349
9/8/2000$5.0198
9/11/2000$4.9022
9/12/2000$4.5933
9/13/2000$4.2134
9/14/2000$4.7459
9/15/2000$4.5334
9/18/2000$4.1407
9/19/2000$3.9296
9/20/2000$4.018
9/21/2000$3.6554
9/22/2000$3.4807
9/25/2000$3.4942
9/26/2000$3.3756
9/27/2000$2.9759
9/28/2000$3.361
9/29/2000$2.637
10/2/2000$3.0813
10/3/2000$2.7877
10/4/2000$2.5237
10/5/2000$2.2839
10/6/2000$2.4843
10/9/2000$2.3606
10/10/2000$2.4118
10/11/2000$2.3304
10/12/2000$2.0965
10/13/2000$1.6159
10/16/2000$1.3723
10/17/2000$1.3869
10/18/2000$1.3951
10/19/2000$1.5407
10/20/2000$1.5314
10/23/2000$1.4088
10/24/2000$1.3578
10/25/2000$1.3254
10/26/2000$1.19
10/27/2000$1.1869
10/30/2000$1.3186
10/31/2000$1.2926
11/1/2000$1.8606
11/2/2000$1.0945
11/3/2000$0.8719
11/6/2000$0.9088
11/7/2000$0.9082
11/8/2000$0.4387
11/9/2000$0.5687
11/10/2000$0.5997
11/13/2000$0.4813
11/14/2000$0.5131
11/15/2000$0.5398
11/16/2000$0.9033
11/17/2000$1.0898
11/20/2000$0.9215
11/21/2000$0.6421
11/22/2000$0.6912
11/24/2000$0.6996
11/27/2000$0.4858
11/28/2000$0.5398
11/29/2000$0.5443
11/30/2000$0.4076
12/1/2000$0.3377
12/4/2000$0.2434
12/5/2000$0
12/6/2000$0

* Data shown are adjusted forward for all stock splits between the IPO and 12/6/00.

** Purchases on a date not listed in the chart above have no artificial inflation.

*** Purchases in the IPO itself at $19.00 per share have no artificial inflation.