Quest Software, Inc.

DateInflation Amount Per Share*
8/13/1999**$0***
8/16/1999$0
8/17/1999$0
8/18/1999$0
8/19/1999$0
8/20/1999$0
8/23/1999$0
8/24/1999$0
8/25/1999$0
8/26/1999$0
8/27/1999$0
8/30/1999$0
8/31/1999$0
9/1/1999$0
9/2/1999$0
9/3/1999$0
9/7/1999$0
9/8/1999$0
9/9/1999$0
9/10/1999$0
9/13/1999$0
9/14/1999$0
9/15/1999$0
9/16/1999$0
9/17/1999$0
9/20/1999$0
9/21/1999$0
9/22/1999$0
9/23/1999$0
9/24/1999$0
9/27/1999$0
9/28/1999$0
9/29/1999$0
9/30/1999$0
10/1/1999$0
10/4/1999$0
10/5/1999$0
10/6/1999$0
10/7/1999$0.1293
10/8/1999$0.8544
10/11/1999$0.0674
10/12/1999$0
10/13/1999$0
10/14/1999$0
10/15/1999$0
10/18/1999$0
10/19/1999$0
10/20/1999$0.0037
10/21/1999$0
10/22/1999$0.1403
10/25/1999$1.1591
10/26/1999$1.3436
10/27/1999$1.9323
10/28/1999$1.5661
10/29/1999$2.8134
11/1/1999$5.1892
11/2/1999$2.3381
11/3/1999$2.4226
11/4/1999$1.8567
11/5/1999$1.9084
11/8/1999$1.2276
11/9/1999$0.232
11/10/1999$0
11/11/1999$0
11/12/1999$0
11/15/1999$0
11/16/1999$0.3901
11/17/1999$0.4361
11/18/1999$0
11/19/1999$0
11/22/1999$0
11/23/1999$0
11/24/1999$0
11/26/1999$0
11/29/1999$0
11/30/1999$0.5281
12/1/1999$1.859
12/2/1999$2.363
12/3/1999$3.3275
12/6/1999$4.2283
12/7/1999$12.2661
12/8/1999$15.0372
12/9/1999$14.2084
12/10/1999$13.7032
12/13/1999$13.5138
12/14/1999$11.6555
12/15/1999$11.9197
12/16/1999$7.1937
12/17/1999$6.7987
12/20/1999$6.3274
12/21/1999$5.4549
12/22/1999$6.5866
12/23/1999$6.3349
12/27/1999$5.9006
12/28/1999$4.7351
12/29/1999$3.8123
12/30/1999$5.6844
12/31/1999$4.9578
1/3/2000$4.3362
1/4/2000$4.3455
1/5/2000$5.7193
1/6/2000$2.3208
1/7/2000$0.581
1/10/2000$0.722
1/11/2000$0.1575
1/12/2000$0.3224
1/13/2000$0.4681
1/14/2000$0.5101
1/18/2000$0.3594
1/19/2000$0.2243
1/20/2000$0.3157
1/21/2000$6.9079
1/24/2000$7.1012
1/25/2000$4.9443
1/26/2000$6.7745
1/27/2000$6.419
1/28/2000$6.0709
1/31/2000$4.6618
2/1/2000$4.7514
2/2/2000$1.7243
2/3/2000$0.6747
2/4/2000$0.3346
2/7/2000$0.7518
2/8/2000$0.7722
2/9/2000$0.5585
2/10/2000$0.2762
2/11/2000$0.3958
2/14/2000$0.592
2/15/2000$0.3114
2/16/2000$0.4071
2/17/2000$0.3326
2/18/2000$0.2792
2/22/2000$0.0205
2/23/2000$0.3481
2/24/2000$0.9128
2/25/2000$2.8844
2/28/2000$5.7812
2/29/2000$7.2697
3/1/2000$7.4931
3/2/2000$7.5982
3/3/2000$8.4865
3/6/2000$12.7992
3/7/2000$13.6539
3/8/2000$12.5378
3/9/2000$13.477
3/10/2000$15.66
3/13/2000$15.66
3/14/2000$15.66
3/15/2000$15.66
3/16/2000$15.66
3/17/2000$15.66
3/20/2000$15.66
3/21/2000$15.443
3/22/2000$15.2451
3/23/2000$13.1458
3/24/2000$12.1961
3/27/2000$11.2995
3/28/2000$11.8991
3/29/2000$6.9155
3/30/2000$6.6971
3/31/2000$4.2259
4/3/2000$6.7143
4/4/2000$4.2434
4/5/2000$2.8447
4/6/2000$2.5224
4/7/2000$3.4383
4/10/2000$2.3896
4/11/2000$0.842
4/12/2000$0
4/13/2000$0
4/14/2000$0
4/17/2000$0
4/18/2000$0
4/19/2000$3.608
4/20/2000$2.4151
4/24/2000$0.4554
4/25/2000$1.1745
4/26/2000$0.5456
4/27/2000$0
4/28/2000$0
5/1/2000$0.394
5/2/2000$0.8902
5/3/2000$0.5231
5/4/2000$0.8587
5/5/2000$0.7006
5/8/2000$0.277
5/9/2000$0
5/10/2000$0
5/11/2000$0.1865
5/12/2000$0.4361
5/15/2000$0.8812
5/16/2000$0.4572
5/17/2000$0.5344
5/18/2000$0.6019
5/19/2000$0.6344
5/22/2000$0.5124
5/23/2000$0.3231
5/24/2000$0.396
5/25/2000$0.6798
5/26/2000$0
5/30/2000$0
5/31/2000$0.4292
6/1/2000$0.2747
6/2/2000$1.0862
6/5/2000$3.5722
6/6/2000$5.5537
6/7/2000$7.6391
6/8/2000$2.5935
6/9/2000$1.0128
6/12/2000$0.8553
6/13/2000$0.7609
6/14/2000$0.5479
6/15/2000$0.8069
6/16/2000$0.9448
6/19/2000$0.7557
6/20/2000$2.211
6/21/2000$1.9448
6/22/2000$6.3396
6/23/2000$7.6422
6/26/2000$5.5063
6/27/2000$5.0366
6/28/2000$5.0019
6/29/2000$5.7985
6/30/2000$7.0526
7/3/2000$5.632
7/5/2000$5.199
7/6/2000$3.9693
7/7/2000$5.2438
7/10/2000$6.8595
7/11/2000$5.325
7/12/2000$8.1218
7/13/2000$12.5324
7/14/2000$9.5463
7/17/2000$8.2478
7/18/2000$9.5112
7/19/2000$8.7163
7/20/2000$9.2981
7/21/2000$11.0817
7/24/2000$12.9837
7/25/2000$10.0746
7/26/2000$2.7219
7/27/2000$3.6336
7/28/2000$2.1732
7/31/2000$1.7734
8/1/2000$1.6454
8/2/2000$2.5368
8/3/2000$4.8199
8/4/2000$4.9145
8/7/2000$5.7634
8/8/2000$6.2188
8/9/2000$4.9519
8/10/2000$3.3315
8/11/2000$6.1576
8/14/2000$4.6146
8/15/2000$4.6079
8/16/2000$7.682
8/17/2000$7.0625
8/18/2000$5.9198
8/21/2000$5.6531
8/22/2000$5.6109
8/23/2000$4.7672
8/24/2000$3.415
8/25/2000$3.5019
8/28/2000$2.0799
8/29/2000$1.699
8/30/2000$1.7785
8/31/2000$1.6808
9/1/2000$5.6252
9/5/2000$10.2928
9/6/2000$9.447
9/7/2000$7.8972
9/8/2000$7.1779
9/11/2000$5.8645
9/12/2000$7.8802
9/13/2000$9.7274
9/14/2000$8.8089
9/15/2000$8.1068
9/18/2000$4.4313
9/19/2000$2.4746
9/20/2000$11.0357
9/21/2000$12.0444
9/22/2000$14.6256
9/25/2000$15.66
9/26/2000$15.66
9/27/2000$15.3005
9/28/2000$13.2227
9/29/2000$15.5152
10/2/2000$15.66
10/3/2000$15.66
10/4/2000$15.66
10/5/2000$15.66
10/6/2000$11.501
10/9/2000$10.6431
10/10/2000$10.519
10/11/2000$10.2978
10/12/2000$7.7674
10/13/2000$11.089
10/16/2000$15.0635
10/17/2000$13.9725
10/18/2000$14.5674
10/19/2000$10.703
10/20/2000$14.902
10/23/2000$14.4695
10/24/2000$11.6959
10/25/2000$15.5496
10/26/2000$7.7598
10/27/2000$4.6011
10/30/2000$0
10/31/2000$1.8986
11/1/2000$0.9908
11/2/2000$2.7361
11/3/2000$2.0312
11/6/2000$2.0815
11/7/2000$1.4189
11/8/2000$0.8294
11/9/2000$3.3993
11/10/2000$4.6831
11/13/2000$5.5928
11/14/2000$6.1176
11/15/2000$4.8641
11/16/2000$4.8297
11/17/2000$0.4911
11/20/2000$0.0325
11/21/2000$0
11/22/2000$2.2393
11/24/2000$0.4684
11/27/2000$0.0521
11/28/2000$0
11/29/2000$0
11/30/2000$0
12/1/2000$0
12/4/2000$0
12/5/2000$1.5522
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 $14.00 per share have no artificial inflation.