MatrixOne, Inc.

DateInflation Amount Per Share*
3/1/2000**$49.9774***
3/2/2000$48.6349
3/3/2000$47.4269
3/6/2000$49.8484
3/7/2000$47.9719
3/8/2000$47.3318
3/9/2000$45.6334
3/10/2000$47.5207
3/13/2000$47.3305
3/14/2000$47.8685
3/15/2000$47.5375
3/16/2000$46.2874
3/17/2000$43.4157
3/20/2000$34.8794
3/21/2000$25.6963
3/22/2000$41.4069
3/23/2000$35.5536
3/24/2000$33.8825
3/27/2000$31.9834
3/28/2000$33.5581
3/29/2000$30.8295
3/30/2000$24.0297
3/31/2000$19.8443
4/3/2000$12.1859
4/4/2000$6.4859
4/5/2000$5.3883
4/6/2000$7.0961
4/7/2000$14.6073
4/10/2000$15.7859
4/11/2000$12.327
4/12/2000$12.5277
4/13/2000$11.8538
4/14/2000$9.255
4/17/2000$3.7067
4/18/2000$9.2207
4/19/2000$14.0081
4/20/2000$14.6534
4/24/2000$13.301
4/25/2000$14.3363
4/26/2000$14.8125
4/27/2000$13.505
4/28/2000$14.8373
5/1/2000$16.328
5/2/2000$17.9942
5/3/2000$14.5205
5/4/2000$15.9232
5/5/2000$15.1974
5/8/2000$15.0625
5/9/2000$16.9636
5/10/2000$15.6333
5/11/2000$16.0292
5/12/2000$15.4239
5/15/2000$13.6495
5/16/2000$10.4509
5/17/2000$11.6924
5/18/2000$11.7013
5/19/2000$9.3072
5/22/2000$8.647
5/23/2000$7.3933
5/24/2000$4.4657
5/25/2000$3.8449
5/26/2000$3.7422
5/30/2000$2.3723
5/31/2000$5.7386
6/1/2000$4.0076
6/2/2000$2.1093
6/5/2000$3.6217
6/6/2000$2.1593
6/7/2000$4.513
6/8/2000$4.6614
6/9/2000$9.4898
6/12/2000$7.259
6/13/2000$7.7591
6/14/2000$12.3041
6/15/2000$14.9021
6/16/2000$16.2717
6/19/2000$20.4074
6/20/2000$18.8396
6/21/2000$19.3811
6/22/2000$22.0053
6/23/2000$25.6297
6/26/2000$24.3905
6/27/2000$22.3132
6/28/2000$23.0138
6/29/2000$24.8177
6/30/2000$22.21
7/3/2000$22.4499
7/5/2000$23.2386
7/6/2000$22.216
7/7/2000$23.4688
7/10/2000$25.3048
7/11/2000$25.762
7/12/2000$24.7184
7/13/2000$24.7934
7/14/2000$25.5676
7/17/2000$26.196
7/18/2000$29.4219
7/19/2000$29.2386
7/20/2000$28.7898
7/21/2000$24.9738
7/24/2000$21.7526
7/25/2000$24.4616
7/26/2000$26.4632
7/27/2000$27.7375
7/28/2000$27.9299
7/31/2000$28.1298
8/1/2000$28.4335
8/2/2000$30.749
8/3/2000$30.8801
8/4/2000$30.0708
8/7/2000$30.5782
8/8/2000$30.1623
8/9/2000$28.382
8/10/2000$24.4915
8/11/2000$20.7763
8/14/2000$16.4022
8/15/2000$17.7269
8/16/2000$20.5586
8/17/2000$21.078
8/18/2000$19.3843
8/21/2000$19.7052
8/22/2000$15.6261
8/23/2000$13.6019
8/24/2000$14.771
8/25/2000$8.3818
8/28/2000$10.7901
8/29/2000$11.7985
8/30/2000$11.7372
8/31/2000$14.8668
9/1/2000$17.3027
9/5/2000$17.1992
9/6/2000$17.8064
9/7/2000$19.4561
9/8/2000$20.6221
9/11/2000$22.7151
9/12/2000$22.9596
9/13/2000$21.5126
9/14/2000$21.7919
9/15/2000$22.046
9/18/2000$20.1583
9/19/2000$17.8103
9/20/2000$16.9342
9/21/2000$16.9616
9/22/2000$17.3628
9/25/2000$16.7313
9/26/2000$16.4061
9/27/2000$17.0801
9/28/2000$19.0706
9/29/2000$23.2187
10/2/2000$18.6693
10/3/2000$16.6707
10/4/2000$17.5378
10/5/2000$16.567
10/6/2000$15.1841
10/9/2000$15.2834
10/10/2000$14.7454
10/11/2000$14.0902
10/12/2000$13.6567
10/13/2000$14.4297
10/16/2000$15.9776
10/17/2000$15.0035
10/18/2000$15.1024
10/19/2000$15.6928
10/20/2000$16.6237
10/23/2000$17.8145
10/24/2000$18.2081
10/25/2000$18.9532
10/26/2000$16.5453
10/27/2000$13.9609
10/30/2000$12.957
10/31/2000$13.7436
11/1/2000$12.5326
11/2/2000$13.592
11/3/2000$10.5281
11/6/2000$6.9404
11/7/2000$4.7977
11/8/2000$7.1351
11/9/2000$6.3962
11/10/2000$5.1188
11/13/2000$5.7989
11/14/2000$5.9118
11/15/2000$3.8293
11/16/2000$2.3885
11/17/2000$0.5993
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 $25.00 per share have no artificial inflation.