StorageNetworks, Inc.

DateInflation Amount Per Share*
6/30/2000**$41.6496***
7/3/2000$39.4182
7/5/2000$47.5454
7/6/2000$43.4874
7/7/2000$48.482
7/10/2000$50.5362
7/11/2000$49.4962
7/12/2000$50.8298
7/13/2000$50.8298
7/14/2000$49.829
7/17/2000$50.6514
7/18/2000$50.8298
7/19/2000$50.8298
7/20/2000$50.8298
7/21/2000$50.8298
7/24/2000$50.8298
7/25/2000$50.8298
7/26/2000$50.8298
7/27/2000$50.8298
7/28/2000$50.8298
7/31/2000$50.8134
8/1/2000$49.1406
8/2/2000$47.0607
8/3/2000$50.8228
8/4/2000$50.8298
8/7/2000$50.8298
8/8/2000$50.8298
8/9/2000$50.8298
8/10/2000$50.8298
8/11/2000$50.8298
8/14/2000$50.8298
8/15/2000$50.8298
8/16/2000$50.8298
8/17/2000$50.8298
8/18/2000$50.8298
8/21/2000$50.8298
8/22/2000$50.2735
8/23/2000$49.6733
8/24/2000$49.2831
8/25/2000$47.0593
8/28/2000$48.2263
8/29/2000$49.5078
8/30/2000$47.5056
8/31/2000$45.6671
9/1/2000$48.658
9/5/2000$49.1503
9/6/2000$49.9037
9/7/2000$49.3077
9/8/2000$46.2826
9/11/2000$42.6532
9/12/2000$37.0519
9/13/2000$44.3924
9/14/2000$47.3502
9/15/2000$44.7148
9/18/2000$43.6929
9/19/2000$46.8219
9/20/2000$46.9777
9/21/2000$45.4469
9/22/2000$49.4304
9/25/2000$48.9108
9/26/2000$47.6429
9/27/2000$47.4351
9/28/2000$48.1567
9/29/2000$49.5743
10/2/2000$48.5076
10/3/2000$48.9818
10/4/2000$46.6015
10/5/2000$43.0944
10/6/2000$40.6618
10/9/2000$38.5618
10/10/2000$28.2564
10/11/2000$32.6505
10/12/2000$35.5657
10/13/2000$39.3415
10/16/2000$33.3223
10/17/2000$30.2553
10/18/2000$26.8463
10/19/2000$30.2859
10/20/2000$36.985
10/23/2000$40.2213
10/24/2000$28.5313
10/25/2000$22.0389
10/26/2000$14.5423
10/27/2000$19.1946
10/30/2000$19.8028
10/31/2000$21.3569
11/1/2000$21.8529
11/2/2000$23.5649
11/3/2000$26.6077
11/6/2000$27.7859
11/7/2000$30.2393
11/8/2000$25.1994
11/9/2000$14.9337
11/10/2000$14.0455
11/13/2000$12.2709
11/14/2000$17.5931
11/15/2000$10.712
11/16/2000$6.8128
11/17/2000$1.7093
11/20/2000$0
11/21/2000$0
11/22/2000$0
11/24/2000$0
11/27/2000$0
11/28/2000$0
11/29/2000$0
11/30/2000$0
12/1/2000$0
12/4/2000$0
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 $27.00 per share have no artificial inflation.