Foundry Networks, Inc.

DateInflation Amount Per Share*
9/28/1999**$77.751***
9/29/1999$52.536
9/30/1999$48.28
10/1/1999$49.762
10/4/1999$56.296
10/5/1999$80.722
10/6/1999$75.069
10/7/1999$65.341
10/8/1999$59.371
10/11/1999$61.895
10/12/1999$63.819
10/13/1999$64.167
10/14/1999$58.495
10/15/1999$54.966
10/18/1999$65.46
10/19/1999$64.742
10/20/1999$68.893
10/21/1999$83.238
10/22/1999$81.732
10/25/1999$85.866
10/26/1999$80.964
10/27/1999$86.601
10/28/1999$90.212
10/29/1999$92.746
11/1/1999$92.49
11/2/1999$92.133
11/3/1999$99.877
11/4/1999$98.916
11/5/1999$96.194
11/8/1999$91.261
11/9/1999$85.74
11/10/1999$86.935
11/11/1999$83.764
11/12/1999$81.364
11/15/1999$83.706
11/16/1999$90.326
11/17/1999$84.695
11/18/1999$85.877
11/19/1999$85.921
11/22/1999$100.81
11/23/1999$96.871
11/24/1999$97.504
11/26/1999$102.431
11/29/1999$102.687
11/30/1999$103
12/1/1999$102.468
12/2/1999$102.367
12/3/1999$103
12/6/1999$103
12/7/1999$103
12/8/1999$103
12/9/1999$103
12/10/1999$103
12/13/1999$103
12/14/1999$103
12/15/1999$103
12/16/1999$103
12/17/1999$103
12/20/1999$103
12/21/1999$103
12/22/1999$103
12/23/1999$103
12/27/1999$103
12/28/1999$103
12/29/1999$103
12/30/1999$103
12/31/1999$103
1/3/2000$103
1/4/2000$103
1/5/2000$103
1/6/2000$103
1/7/2000$103
1/10/2000$103
1/11/2000$102.427
1/12/2000$99.461
1/13/2000$92.189
1/14/2000$102.056
1/18/2000$103
1/19/2000$103
1/20/2000$103
1/21/2000$103
1/24/2000$103
1/25/2000$103
1/26/2000$103
1/27/2000$103
1/28/2000$103
1/31/2000$103
2/1/2000$103
2/2/2000$103
2/3/2000$103
2/4/2000$103
2/7/2000$103
2/8/2000$101.975
2/9/2000$102.608
2/10/2000$100.613
2/11/2000$101.886
2/14/2000$103
2/15/2000$102.676
2/16/2000$102.317
2/17/2000$102.277
2/18/2000$101.994
2/22/2000$99.651
2/23/2000$98.293
2/24/2000$98.007
2/25/2000$102.87
2/28/2000$102.146
2/29/2000$103
3/1/2000$103
3/2/2000$103
3/3/2000$103
3/6/2000$103
3/7/2000$103
3/8/2000$103
3/9/2000$103
3/10/2000$103
3/13/2000$103
3/14/2000$103
3/15/2000$103
3/16/2000$103
3/17/2000$103
3/20/2000$103
3/21/2000$103
3/22/2000$103
3/23/2000$103
3/24/2000$103
3/27/2000$103
3/28/2000$103
3/29/2000$103
3/30/2000$100.319
3/31/2000$103
4/3/2000$96.85
4/4/2000$93.542
4/5/2000$78.39
4/6/2000$100.565
4/7/2000$94.986
4/10/2000$87.305
4/11/2000$81.759
4/12/2000$63.398
4/13/2000$49.025
4/14/2000$58.152
4/17/2000$62.898
4/18/2000$51.915
4/19/2000$61.789
4/20/2000$65.516
4/24/2000$45.818
4/25/2000$45.274
4/26/2000$51.081
4/27/2000$57.473
4/28/2000$67.55
5/1/2000$69.943
5/2/2000$57.092
5/3/2000$72.629
5/4/2000$70.174
5/5/2000$68.508
5/8/2000$61.959
5/9/2000$62.841
5/10/2000$46.517
5/11/2000$30.619
5/12/2000$31.931
5/15/2000$28.448
5/16/2000$36.634
5/17/2000$33.529
5/18/2000$35.071
5/19/2000$29.855
5/22/2000$18.791
5/23/2000$21.828
5/24/2000$19.626
5/25/2000$11.214
5/26/2000$12.353
5/30/2000$17.358
5/31/2000$23.377
6/1/2000$32.049
6/2/2000$50.688
6/5/2000$72.152
6/6/2000$71.903
6/7/2000$80.143
6/8/2000$78.861
6/9/2000$91.274
6/12/2000$89.827
6/13/2000$91.406
6/14/2000$95.507
6/15/2000$88.4
6/16/2000$90.446
6/19/2000$91.027
6/20/2000$87.94
6/21/2000$88.852
6/22/2000$88.176
6/23/2000$85.408
6/26/2000$89.348
6/27/2000$85.59
6/28/2000$86.155
6/29/2000$90.73
6/30/2000$91.362
7/3/2000$87.628
7/5/2000$90.279
7/6/2000$89.912
7/7/2000$99.483
7/10/2000$102.068
7/11/2000$98.269
7/12/2000$95.689
7/13/2000$99.488
7/14/2000$103
7/17/2000$103
7/18/2000$101.238
7/19/2000$77.539
7/20/2000$51.037
7/21/2000$62.955
7/24/2000$52.021
7/25/2000$54.203
7/26/2000$45.025
7/27/2000$39.05
7/28/2000$39.969
7/31/2000$53.563
8/1/2000$43.71
8/2/2000$46.995
8/3/2000$55.315
8/4/2000$55.07
8/7/2000$56.149
8/8/2000$59.518
8/9/2000$48.079
8/10/2000$48.574
8/11/2000$47.386
8/14/2000$42.424
8/15/2000$43.86
8/16/2000$55.59
8/17/2000$58.973
8/18/2000$65.899
8/21/2000$69.83
8/22/2000$63.202
8/23/2000$59.354
8/24/2000$54.764
8/25/2000$50.581
8/28/2000$59.465
8/29/2000$55
8/30/2000$51.803
8/31/2000$62.686
9/1/2000$53.214
9/5/2000$46.316
9/6/2000$56.84
9/7/2000$45.64
9/8/2000$40.644
9/11/2000$33.674
9/12/2000$35.451
9/13/2000$41.864
9/14/2000$35.391
9/15/2000$32.741
9/18/2000$15.13
9/19/2000$15.007
9/20/2000$4.205
9/21/2000$10.245
9/22/2000$13.583
9/25/2000$16.635
9/26/2000$27.102
9/27/2000$23.814
9/28/2000$23.988
9/29/2000$29.054
10/2/2000$26.057
10/3/2000$18.814
10/4/2000$24.421
10/5/2000$33.291
10/6/2000$28.335
10/9/2000$27.435
10/10/2000$28.839
10/11/2000$30.244
10/12/2000$31.126
10/13/2000$36.224
10/16/2000$43.929
10/17/2000$47.933
10/18/2000$40.332
10/19/2000$66.214
10/20/2000$68.181
10/23/2000$70.309
10/24/2000$58.965
10/25/2000$51.763
10/26/2000$50.996
10/27/2000$54.093
10/30/2000$35.237
10/31/2000$33.281
11/1/2000$53.274
11/2/2000$65.928
11/3/2000$74.786
11/6/2000$68.28
11/7/2000$75.265
11/8/2000$67.557
11/9/2000$54.876
11/10/2000$51.795
11/13/2000$44.795
11/14/2000$54.266
11/15/2000$52.364
11/16/2000$39.607
11/17/2000$27.237
11/20/2000$14.096
11/21/2000$19.63
11/22/2000$8.844
11/24/2000$14.21
11/27/2000$7.567
11/28/2000$7.755
11/29/2000$0.101
11/30/2000$0
12/1/2000$2.651
12/4/2000$0.41
12/5/2000$8.55
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.