Redback Networks, Inc.

DateInflation Amount Per Share*
5/18/1999**$0***
5/19/1999$0
5/20/1999$0
5/21/1999$0
5/24/1999$0
5/25/1999$0
5/26/1999$0
5/27/1999$0
5/28/1999$0
6/1/1999$0
6/2/1999$0
6/3/1999$0
6/4/1999$0
6/7/1999$0
6/8/1999$0
6/9/1999$0
6/10/1999$0
6/11/1999$0
6/14/1999$0
6/15/1999$0
6/16/1999$0
6/17/1999$0
6/18/1999$0
6/21/1999$0
6/22/1999$0
6/23/1999$0
6/24/1999$0
6/25/1999$0
6/28/1999$0
6/29/1999$0
6/30/1999$0
7/1/1999$0
7/2/1999$0
7/6/1999$0
7/7/1999$0
7/8/1999$0
7/9/1999$0
7/12/1999$0
7/13/1999$0
7/14/1999$0
7/15/1999$0
7/16/1999$0
7/19/1999$0
7/20/1999$0
7/21/1999$0
7/22/1999$0
7/23/1999$0
7/26/1999$0
7/27/1999$0
7/28/1999$0
7/29/1999$0
7/30/1999$0
8/2/1999$0
8/3/1999$0
8/4/1999$0
8/5/1999$0
8/6/1999$0
8/9/1999$0
8/10/1999$0
8/11/1999$0
8/12/1999$0
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$0.4743
8/24/1999$2.7301
8/25/1999$0.5431
8/26/1999$0.3296
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
10/8/1999$0.0786
10/11/1999$4.1089
10/12/1999$3.3796
10/13/1999$1.2617
10/14/1999$0.0571
10/15/1999$0
10/18/1999$0
10/19/1999$0
10/20/1999$0
10/21/1999$0
10/22/1999$0
10/25/1999$0
10/26/1999$0
10/27/1999$0
10/28/1999$0
10/29/1999$0
11/1/1999$0
11/2/1999$0
11/3/1999$0
11/4/1999$0
11/5/1999$0
11/8/1999$0
11/9/1999$0
11/10/1999$0
11/11/1999$0
11/12/1999$0
11/15/1999$0
11/16/1999$0
11/17/1999$0
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
12/1/1999$0
12/2/1999$0
12/3/1999$0
12/6/1999$0
12/7/1999$0
12/8/1999$0
12/9/1999$0
12/10/1999$0
12/13/1999$0
12/14/1999$0
12/15/1999$0
12/16/1999$0
12/17/1999$0
12/20/1999$0
12/21/1999$0
12/22/1999$0
12/23/1999$0
12/27/1999$0
12/28/1999$0
12/29/1999$0.4774
12/30/1999$0
12/31/1999$0
1/3/2000$0.5333
1/4/2000$0
1/5/2000$0.7548
1/6/2000$0
1/7/2000$0
1/10/2000$1.7488
1/11/2000$1.8153
1/12/2000$5.3377
1/13/2000$2.733
1/14/2000$4.1667
1/18/2000$7.7285
1/19/2000$6.1589
1/20/2000$3.7744
1/21/2000$5.4771
1/24/2000$5.4254
1/25/2000$5.1513
1/26/2000$8.0714
1/27/2000$9.1568
1/28/2000$5.3744
1/31/2000$2.5732
2/1/2000$1.5443
2/2/2000$1.7973
2/3/2000$2.3921
2/4/2000$3.4239
2/7/2000$6.4817
2/8/2000$3.9523
2/9/2000$5.5548
2/10/2000$7.3252
2/11/2000$7.1766
2/14/2000$6.7185
2/15/2000$7.7281
2/16/2000$8.8084
2/17/2000$11.8624
2/18/2000$12.1351
2/22/2000$8.5503
2/23/2000$12.5585
2/24/2000$21.9112
2/25/2000$21.0677
2/28/2000$25.9863
2/29/2000$28.3527
3/1/2000$29.1825
3/2/2000$27.9349
3/3/2000$29.1825
3/6/2000$29.1825
3/7/2000$29.1825
3/8/2000$29.1825
3/9/2000$29.1825
3/10/2000$29.1825
3/13/2000$29.1825
3/14/2000$29.1825
3/15/2000$29.1825
3/16/2000$29.1825
3/17/2000$29.1825
3/20/2000$29.1825
3/21/2000$29.1825
3/22/2000$29.1825
3/23/2000$27.8011
3/24/2000$28.7841
3/27/2000$24.1289
3/28/2000$22.9183
3/29/2000$13.3185
3/30/2000$28.1157
3/31/2000$29.1825
4/3/2000$9.8276
4/4/2000$13.8068
4/5/2000$10.0751
4/6/2000$29.1825
4/7/2000$29.1825
4/10/2000$24.773
4/11/2000$8.7072
4/12/2000$2.585
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$3.0335
6/2/2000$8.0526
6/5/2000$8.6311
6/6/2000$5.8011
6/7/2000$13.5262
6/8/2000$11.6727
6/9/2000$10.4396
6/12/2000$6.8313
6/13/2000$22.7886
6/14/2000$10.5858
6/15/2000$15.1504
6/16/2000$16.3313
6/19/2000$29.1825
6/20/2000$29.1825
6/21/2000$28.8994
6/22/2000$29.0952
6/23/2000$29.1825
6/26/2000$29.1825
6/27/2000$29.1825
6/28/2000$29.1825
6/29/2000$29.1825
6/30/2000$29.1825
7/3/2000$29.1825
7/5/2000$29.1825
7/6/2000$29.1825
7/7/2000$29.1825
7/10/2000$29.1825
7/11/2000$29.1825
7/12/2000$29.1825
7/13/2000$29.1825
7/14/2000$29.1825
7/17/2000$29.1825
7/18/2000$29.1825
7/19/2000$29.1825
7/20/2000$29.1825
7/21/2000$29.1825
7/24/2000$29.1278
7/25/2000$29.1825
7/26/2000$29.1825
7/27/2000$29.1825
7/28/2000$28.7185
7/31/2000$29.1825
8/1/2000$29.1825
8/2/2000$24.955
8/3/2000$28.1004
8/4/2000$29.1825
8/7/2000$29.1825
8/8/2000$29.1825
8/9/2000$29.1825
8/10/2000$29.1825
8/11/2000$29.1825
8/14/2000$29.1825
8/15/2000$29.1825
8/16/2000$29.1825
8/17/2000$29.1825
8/18/2000$29.1825
8/21/2000$29.1825
8/22/2000$29.1825
8/23/2000$29.1825
8/24/2000$29.1825
8/25/2000$29.1825
8/28/2000$29.1825
8/29/2000$26.3551
8/30/2000$29.1825
8/31/2000$29.1825
9/1/2000$29.1825
9/5/2000$29.1825
9/6/2000$29.1825
9/7/2000$29.1825
9/8/2000$26.0722
9/11/2000$29.1825
9/12/2000$29.1825
9/13/2000$29.1825
9/14/2000$29.1825
9/15/2000$29.1825
9/18/2000$29.1825
9/19/2000$29.1825
9/20/2000$29.1825
9/21/2000$29.1825
9/22/2000$29.1825
9/25/2000$29.1825
9/26/2000$29.1825
9/27/2000$29.1825
9/28/2000$29.1825
9/29/2000$29.1825
10/2/2000$29.1825
10/3/2000$29.1825
10/4/2000$29.1825
10/5/2000$29.1825
10/6/2000$29.1825
10/9/2000$29.1825
10/10/2000$29.1825
10/11/2000$29.1825
10/12/2000$28.6023
10/13/2000$29.1825
10/16/2000$29.1825
10/17/2000$29.1825
10/18/2000$29.1825
10/19/2000$29.1825
10/20/2000$29.1825
10/23/2000$29.1825
10/24/2000$29.1825
10/25/2000$29.1825
10/26/2000$29.1825
10/27/2000$29.1825
10/30/2000$17.1687
10/31/2000$21.9329
11/1/2000$29.1825
11/2/2000$29.1825
11/3/2000$27.7717
11/6/2000$25.2342
11/7/2000$2.0172
11/8/2000$0
11/9/2000$0
11/10/2000$0
11/13/2000$0
11/14/2000$0
11/15/2000$0
11/16/2000$0
11/17/2000$0
11/20/2000$0
11/21/2000$0
11/22/2000$0
11/24/2000$0
11/27/2000$0.4722
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 $23.00 per share have no artificial inflation.