OmniSky Corporation

DateInflation Amount Per Share*
9/21/2000**$4.97045***
9/22/2000$4.97045
9/25/2000$4.97045
9/26/2000$4.97045
9/27/2000$4.97045
9/28/2000$4.97045
9/29/2000$4.97045
10/2/2000$4.97045
10/3/2000$4.94453
10/4/2000$4.38031
10/5/2000$4.86728
10/6/2000$3.74495
10/9/2000$3.8093
10/10/2000$4.51941
10/11/2000$3.80097
10/12/2000$3.90058
10/13/2000$4.70656
10/16/2000$4.96043
10/17/2000$4.85157
10/18/2000$4.85462
10/19/2000$4.90005
10/20/2000$4.8412
10/23/2000$3.72519
10/24/2000$4.68142
10/25/2000$4.46211
10/26/2000$3.69658
10/27/2000$4.2341
10/30/2000$4.25593
10/31/2000$3.43852
11/1/2000$2.92777
11/2/2000$2.38603
11/3/2000$1.98969
11/6/2000$0.36
11/7/2000$0.11757
11/8/2000$0.04947
11/9/2000$0
11/10/2000$0
11/13/2000$0
11/14/2000$2.48903
11/15/2000$2.08142
11/16/2000$1.51363
11/17/2000$1.80066
11/20/2000$1.15671
11/21/2000$2.43675
11/22/2000$1.07623
11/24/2000$1.21095
11/27/2000$0.86711
11/28/2000$0.03304
11/29/2000$0
11/30/2000$0
12/1/2000$0.4665
12/4/2000$0
12/5/2000$0.5723
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 $12.00 per share have no artificial inflation.