Retek, Inc.

DateInflation Amount Per Share*
11/18/1999**$0***
11/19/1999$3.58983
11/22/1999$6.68567
11/23/1999$5.55886
11/24/1999$4.41283
11/26/1999$7.39135
11/29/1999$7.8815
11/30/1999$7.8815
12/1/1999$7.8815
12/2/1999$7.8815
12/3/1999$7.8815
12/6/1999$7.8815
12/7/1999$7.8815
12/8/1999$7.8815
12/9/1999$7.8815
12/10/1999$7.8815
12/13/1999$7.8815
12/14/1999$7.8815
12/15/1999$7.72115
12/16/1999$7.8815
12/17/1999$7.81499
12/20/1999$7.39298
12/21/1999$6.69582
12/22/1999$6.91208
12/23/1999$6.43893
12/27/1999$7.8815
12/28/1999$7.8815
12/29/1999$7.8815
12/30/1999$7.8815
12/31/1999$7.8815
1/3/2000$7.8815
1/4/2000$7.8815
1/5/2000$7.8815
1/6/2000$7.8815
1/7/2000$7.8815
1/10/2000$7.8815
1/11/2000$7.8815
1/12/2000$7.8815
1/13/2000$7.8815
1/14/2000$7.86566
1/18/2000$7.75356
1/19/2000$7.8815
1/20/2000$7.8815
1/21/2000$7.8815
1/24/2000$7.8815
1/25/2000$7.8815
1/26/2000$7.66402
1/27/2000$7.8815
1/28/2000$7.74173
1/31/2000$6.18508
2/1/2000$5.63179
2/2/2000$5.88406
2/3/2000$6.43629
2/4/2000$7.43089
2/7/2000$7.49865
2/8/2000$6.84731
2/9/2000$6.45893
2/10/2000$5.31362
2/11/2000$5.85682
2/14/2000$7.10952
2/15/2000$6.8533
2/16/2000$6.34218
2/17/2000$5.68212
2/18/2000$5.86022
2/22/2000$5.04843
2/23/2000$4.98603
2/24/2000$4.59469
2/25/2000$4.30325
2/28/2000$4.01667
2/29/2000$6.1921
3/1/2000$6.99452
3/2/2000$7.62447
3/3/2000$6.9677
3/6/2000$7.17887
3/7/2000$7.15389
3/8/2000$6.56352
3/9/2000$6.78996
3/10/2000$6.58639
3/13/2000$7.78629
3/14/2000$7.59477
3/15/2000$6.38744
3/16/2000$5.33992
3/17/2000$6.33811
3/20/2000$4.76566
3/21/2000$2.32636
3/22/2000$2.6296
3/23/2000$1.51521
3/24/2000$2.39114
3/27/2000$2.67617
3/28/2000$3.1641
3/29/2000$1.67597
3/30/2000$1.02277
3/31/2000$0.27246
4/3/2000$0
4/4/2000$0
4/5/2000$0
4/6/2000$0.25707
4/7/2000$0.35743
4/10/2000$0
4/11/2000$0
4/12/2000$0
4/13/2000$0
4/14/2000$0
4/17/2000$0
4/18/2000$0
4/19/2000$0
4/20/2000$0
4/24/2000$0
4/25/2000$0
4/26/2000$0
4/27/2000$0
4/28/2000$0
5/1/2000$0
5/2/2000$0
5/3/2000$0
5/4/2000$0
5/5/2000$0
5/8/2000$0
5/9/2000$0
5/10/2000$0
5/11/2000$0
5/12/2000$0
5/15/2000$0
5/16/2000$0
5/17/2000$0
5/18/2000$0
5/19/2000$0
5/22/2000$0
5/23/2000$0
5/24/2000$0
5/25/2000$0
5/26/2000$0
5/30/2000$0
5/31/2000$0
6/1/2000$0
6/2/2000$0
6/5/2000$0
6/6/2000$0
6/7/2000$0
6/8/2000$0
6/9/2000$0
6/12/2000$0
6/13/2000$0
6/14/2000$0
6/15/2000$0
6/16/2000$0
6/19/2000$0
6/20/2000$0
6/21/2000$0
6/22/2000$0
6/23/2000$0
6/26/2000$0
6/27/2000$0
6/28/2000$0
6/29/2000$0
6/30/2000$0
7/3/2000$0
7/5/2000$0
7/6/2000$0
7/7/2000$0
7/10/2000$0
7/11/2000$0
7/12/2000$0
7/13/2000$0
7/14/2000$0
7/17/2000$0
7/18/2000$0
7/19/2000$0
7/20/2000$0
7/21/2000$0
7/24/2000$0
7/25/2000$0
7/26/2000$0
7/27/2000$0
7/28/2000$0
7/31/2000$0
8/1/2000$0
8/2/2000$0
8/3/2000$0
8/4/2000$0
8/7/2000$0
8/8/2000$0
8/9/2000$0
8/10/2000$0
8/11/2000$0
8/14/2000$0
8/15/2000$0
8/16/2000$0
8/17/2000$0
8/18/2000$0
8/21/2000$0
8/22/2000$0
8/23/2000$0
8/24/2000$0
8/25/2000$0
8/28/2000$0
8/29/2000$0
8/30/2000$0
8/31/2000$0
9/1/2000$0
9/5/2000$0
9/6/2000$0
9/7/2000$0.29494
9/8/2000$0.10415
9/11/2000$0
9/12/2000$0.06738
9/13/2000$0.0048
9/14/2000$0.12022
9/15/2000$0.42607
9/18/2000$0.57145
9/19/2000$0.64979
9/20/2000$0.54187
9/21/2000$0.48601
9/22/2000$0.96801
9/25/2000$1.73158
9/26/2000$0.69341
9/27/2000$0.95166
9/28/2000$2.49442
9/29/2000$6.26205
10/2/2000$7.8815
10/3/2000$6.9137
10/4/2000$3.79399
10/5/2000$3.56689
10/6/2000$2.4447
10/9/2000$0.71768
10/10/2000$2.05618
10/11/2000$2.06428
10/12/2000$0.93797
10/13/2000$1.72642
10/16/2000$2.14508
10/17/2000$2.85295
10/18/2000$2.8094
10/19/2000$2.41734
10/20/2000$1.48432
10/23/2000$1.09484
10/24/2000$1.21038
10/25/2000$1.49327
10/26/2000$0.64025
10/27/2000$0.14975
10/30/2000$1.42859
10/31/2000$0.59537
11/1/2000$1.17483
11/2/2000$1.80215
11/3/2000$2.15099
11/6/2000$1.47086
11/7/2000$2.20765
11/8/2000$2.04877
11/9/2000$1.08726
11/10/2000$0.4956
11/13/2000$0
11/14/2000$0.16467
11/15/2000$0.65702
11/16/2000$0.24265
11/17/2000$0
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 $15.00 per share have no artificial inflation.