OTG Software, Inc.

DateInflation Amount Per Share*
3/10/2000**$30.1027***
3/13/2000$28.1626
3/14/2000$25.4184
3/15/2000$23.093
3/16/2000$14.8735
3/17/2000$11.9627
3/20/2000$5.6255
3/21/2000$4.8616
3/22/2000$11.5598
3/23/2000$21.5078
3/24/2000$20.4499
3/27/2000$20.6997
3/28/2000$23.9512
3/29/2000$17.8581
3/30/2000$13.9872
3/31/2000$15.0814
4/3/2000$16.1863
4/4/2000$11.781
4/5/2000$8.3764
4/6/2000$12.3226
4/7/2000$10.7698
4/10/2000$5.3729
4/11/2000$1.112
4/12/2000$0.2615
4/13/2000$0
4/14/2000$0
4/17/2000$5.3487
4/18/2000$1.0596
4/19/2000$0
4/20/2000$0
4/24/2000$0
4/25/2000$0.3615
4/26/2000$1.0325
4/27/2000$0.2496
4/28/2000$0.6209
5/1/2000$2.9925
5/2/2000$1.1072
5/3/2000$0.83
5/4/2000$0.8868
5/5/2000$0.8604
5/8/2000$0.5782
5/9/2000$1.0025
5/10/2000$0.442
5/11/2000$0
5/12/2000$0.0683
5/15/2000$0
5/16/2000$0.1095
5/17/2000$0.1203
5/18/2000$0.1629
5/19/2000$0.195
5/22/2000$0.1973
5/23/2000$0.3443
5/24/2000$0.2319
5/25/2000$0.4369
5/26/2000$0.3473
5/30/2000$0.214
5/31/2000$0.2304
6/1/2000$0.228
6/2/2000$2.9708
6/5/2000$2.5322
6/6/2000$3.3475
6/7/2000$1.2224
6/8/2000$1.5322
6/9/2000$4.7415
6/12/2000$4.8157
6/13/2000$4.2829
6/14/2000$4.4654
6/15/2000$3.9925
6/16/2000$3.6108
6/19/2000$3.2774
6/20/2000$5.3792
6/21/2000$9.4925
6/22/2000$8.4013
6/23/2000$9.3093
6/26/2000$9.8209
6/27/2000$16.5698
6/28/2000$16.8188
6/29/2000$17.2005
6/30/2000$5.4393
7/3/2000$10.4567
7/5/2000$13.822
7/6/2000$15.1977
7/7/2000$13.1684
7/10/2000$13.4954
7/11/2000$14.2236
7/12/2000$15.479
7/13/2000$15.0393
7/14/2000$13.4738
7/17/2000$13.6961
7/18/2000$13.7937
7/19/2000$12.9113
7/20/2000$12.2847
7/21/2000$13.0797
7/24/2000$13.5868
7/25/2000$13.6594
7/26/2000$10.6003
7/27/2000$10.8837
7/28/2000$9.8462
7/31/2000$11.2493
8/1/2000$11.0056
8/2/2000$11.338
8/3/2000$9.3748
8/4/2000$9.5503
8/7/2000$9.5886
8/8/2000$9.1003
8/9/2000$11.2493
8/10/2000$10.9507
8/11/2000$10.5254
8/14/2000$9.6176
8/15/2000$8.8045
8/16/2000$8.0632
8/17/2000$7.5537
8/18/2000$6.7952
8/21/2000$4.6023
8/22/2000$2.832
8/23/2000$4.1127
8/24/2000$4.1042
8/25/2000$3.9313
8/28/2000$3.0491
8/29/2000$3.6067
8/30/2000$1.3265
8/31/2000$0.4038
9/1/2000$0.2829
9/5/2000$0.6457
9/6/2000$1.6353
9/7/2000$9.1796
9/8/2000$10.8589
9/11/2000$12.8056
9/12/2000$11.2995
9/13/2000$9.4443
9/14/2000$8.6991
9/15/2000$5.5961
9/18/2000$6.738
9/19/2000$6.6592
9/20/2000$6.0008
9/21/2000$6.0521
9/22/2000$9.603
9/25/2000$15.5038
9/26/2000$15.4102
9/27/2000$18.2538
9/28/2000$21.6598
9/29/2000$19.8027
10/2/2000$20.5546
10/3/2000$20.0593
10/4/2000$20.3284
10/5/2000$23.6791
10/6/2000$25.14
10/9/2000$21.5606
10/10/2000$20.6578
10/11/2000$19.9028
10/12/2000$18.7072
10/13/2000$19.3693
10/16/2000$20.2114
10/17/2000$20.0898
10/18/2000$19.371
10/19/2000$18.9148
10/20/2000$15.7183
10/23/2000$15.2389
10/24/2000$9.7791
10/25/2000$9.3558
10/26/2000$10.7505
10/27/2000$10.7696
10/30/2000$11.3745
10/31/2000$11.4786
11/1/2000$10.9346
11/2/2000$9.5693
11/3/2000$8.3482
11/6/2000$5.865
11/7/2000$9.6548
11/8/2000$9.4563
11/9/2000$7.6273
11/10/2000$8.1135
11/13/2000$7.2927
11/14/2000$6.4446
11/15/2000$6.6382
11/16/2000$6.4024
11/17/2000$2.3532
11/20/2000$2.0285
11/21/2000$0.5964
11/22/2000$0.1056
11/24/2000$0.1302
11/27/2000$0
11/28/2000$1.1145
11/29/2000$1.394
11/30/2000$2.5571
12/1/2000$2.9468
12/4/2000$0.7747
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.