Antigenics, Inc.
| Date | Inflation Amount Per Share* | ||
|---|---|---|---|
| 2/4/2000 | ** | $42.579 | *** |
| 2/7/2000 | $30.3643 | ||
| 2/8/2000 | $28.2075 | ||
| 2/9/2000 | $26.2435 | ||
| 2/10/2000 | $29.6745 | ||
| 2/11/2000 | $27.0751 | ||
| 2/14/2000 | $28.0424 | ||
| 2/15/2000 | $30.0613 | ||
| 2/16/2000 | $33.9639 | ||
| 2/17/2000 | $28.4624 | ||
| 2/18/2000 | $26.546 | ||
| 2/22/2000 | $21.7683 | ||
| 2/23/2000 | $26.8129 | ||
| 2/24/2000 | $29.7497 | ||
| 2/25/2000 | $26.79 | ||
| 2/28/2000 | $21.8161 | ||
| 2/29/2000 | $26.3036 | ||
| 3/1/2000 | $28.3608 | ||
| 3/2/2000 | $27.0471 | ||
| 3/3/2000 | $26.2615 | ||
| 3/6/2000 | $25.1371 | ||
| 3/7/2000 | $26.108 | ||
| 3/8/2000 | $30.7365 | ||
| 3/9/2000 | $32.7233 | ||
| 3/10/2000 | $30.3482 | ||
| 3/13/2000 | $27.5897 | ||
| 3/14/2000 | $22.7655 | ||
| 3/15/2000 | $23.8412 | ||
| 3/16/2000 | $14.8183 | ||
| 3/17/2000 | $13.3597 | ||
| 3/20/2000 | $10.4256 | ||
| 3/21/2000 | $3.6379 | ||
| 3/22/2000 | $9.8686 | ||
| 3/23/2000 | $9.8386 | ||
| 3/24/2000 | $8.7942 | ||
| 3/27/2000 | $9.4005 | ||
| 3/28/2000 | $5.7685 | ||
| 3/29/2000 | $5.218 | ||
| 3/30/2000 | $1.0529 | ||
| 3/31/2000 | $1.3218 | ||
| 4/3/2000 | $0.8257 | ||
| 4/4/2000 | $1.1666 | ||
| 4/5/2000 | $2.2128 | ||
| 4/6/2000 | $0.7301 | ||
| 4/7/2000 | $0.483 | ||
| 4/10/2000 | $0.1783 | ||
| 4/11/2000 | $0 | ||
| 4/12/2000 | $0 | ||
| 4/13/2000 | $0 | ||
| 4/14/2000 | $0 | ||
| 4/17/2000 | $0 | ||
| 4/18/2000 | $0.0107 | ||
| 4/19/2000 | $0.1744 | ||
| 4/20/2000 | $0.173 | ||
| 4/24/2000 | $0.1977 | ||
| 4/25/2000 | $0.1497 | ||
| 4/26/2000 | $0.156 | ||
| 4/27/2000 | $0.0973 | ||
| 4/28/2000 | $0.3656 | ||
| 5/1/2000 | $2.2522 | ||
| 5/2/2000 | $1.331 | ||
| 5/3/2000 | $1.9057 | ||
| 5/4/2000 | $2.6194 | ||
| 5/5/2000 | $2.0337 | ||
| 5/8/2000 | $2.6883 | ||
| 5/9/2000 | $2.515 | ||
| 5/10/2000 | $2.401 | ||
| 5/11/2000 | $1.5071 | ||
| 5/12/2000 | $2.9102 | ||
| 5/15/2000 | $3.0221 | ||
| 5/16/2000 | $2.8432 | ||
| 5/17/2000 | $4.8856 | ||
| 5/18/2000 | $3.5032 | ||
| 5/19/2000 | $4.7749 | ||
| 5/22/2000 | $0.8881 | ||
| 5/23/2000 | $0.2862 | ||
| 5/24/2000 | $0.1729 | ||
| 5/25/2000 | $0.095 | ||
| 5/26/2000 | $0.0157 | ||
| 5/30/2000 | $0.1088 | ||
| 5/31/2000 | $0.0197 | ||
| 6/1/2000 | $0.0453 | ||
| 6/2/2000 | $0.102 | ||
| 6/5/2000 | $0.2567 | ||
| 6/6/2000 | $0.4867 | ||
| 6/7/2000 | $0.4159 | ||
| 6/8/2000 | $0.3658 | ||
| 6/9/2000 | $0.7883 | ||
| 6/12/2000 | $0.2646 | ||
| 6/13/2000 | $0.2611 | ||
| 6/14/2000 | $0.0862 | ||
| 6/15/2000 | $0.0534 | ||
| 6/16/2000 | $0.1321 | ||
| 6/19/2000 | $0.1661 | ||
| 6/20/2000 | $0.2269 | ||
| 6/21/2000 | $0.2779 | ||
| 6/22/2000 | $0.0143 | ||
| 6/23/2000 | $0.2214 | ||
| 6/26/2000 | $0.219 | ||
| 6/27/2000 | $0.2945 | ||
| 6/28/2000 | $0.3805 | ||
| 6/29/2000 | $0.3556 | ||
| 6/30/2000 | $0.3592 | ||
| 7/3/2000 | $0.2827 | ||
| 7/5/2000 | $1.5137 | ||
| 7/6/2000 | $1.4586 | ||
| 7/7/2000 | $1.1623 | ||
| 7/10/2000 | $1.1728 | ||
| 7/11/2000 | $3.4296 | ||
| 7/12/2000 | $1.7808 | ||
| 7/13/2000 | $0.6519 | ||
| 7/14/2000 | $0.7101 | ||
| 7/17/2000 | $0.4892 | ||
| 7/18/2000 | $1.0378 | ||
| 7/19/2000 | $0.425 | ||
| 7/20/2000 | $0.5089 | ||
| 7/21/2000 | $0.3698 | ||
| 7/24/2000 | $0.477 | ||
| 7/25/2000 | $0.5161 | ||
| 7/26/2000 | $0.7023 | ||
| 7/27/2000 | $0.5245 | ||
| 7/28/2000 | $0.4849 | ||
| 7/31/2000 | $0.7178 | ||
| 8/1/2000 | $0.5203 | ||
| 8/2/2000 | $0.2723 | ||
| 8/3/2000 | $0.2268 | ||
| 8/4/2000 | $0.3297 | ||
| 8/7/2000 | $0.3303 | ||
| 8/8/2000 | $0.2017 | ||
| 8/9/2000 | $0.1404 | ||
| 8/10/2000 | $0.2888 | ||
| 8/11/2000 | $0.2998 | ||
| 8/14/2000 | $0.2375 | ||
| 8/15/2000 | $0.2471 | ||
| 8/16/2000 | $0.1457 | ||
| 8/17/2000 | $0.1064 | ||
| 8/18/2000 | $0.1652 | ||
| 8/21/2000 | $0.2081 | ||
| 8/22/2000 | $0.1756 | ||
| 8/23/2000 | $0.1004 | ||
| 8/24/2000 | $0.175 | ||
| 8/25/2000 | $0.217 | ||
| 8/28/2000 | $0.1941 | ||
| 8/29/2000 | $0.081 | ||
| 8/30/2000 | $0.0726 | ||
| 8/31/2000 | $0.2612 | ||
| 9/1/2000 | $0.467 | ||
| 9/5/2000 | $0.5105 | ||
| 9/6/2000 | $0.3645 | ||
| 9/7/2000 | $0.2934 | ||
| 9/8/2000 | $0.2638 | ||
| 9/11/2000 | $0.161 | ||
| 9/12/2000 | $0.1844 | ||
| 9/13/2000 | $0.1655 | ||
| 9/14/2000 | $0.1203 | ||
| 9/15/2000 | $0.1381 | ||
| 9/18/2000 | $0.2461 | ||
| 9/19/2000 | $0.153 | ||
| 9/20/2000 | $0.1849 | ||
| 9/21/2000 | $0.1569 | ||
| 9/22/2000 | $0.1991 | ||
| 9/25/2000 | $0.1382 | ||
| 9/26/2000 | $0.0666 | ||
| 9/27/2000 | $0 | ||
| 9/28/2000 | $0.1013 | ||
| 9/29/2000 | $0.038 | ||
| 10/2/2000 | $0 | ||
| 10/3/2000 | $0.04 | ||
| 10/4/2000 | $0.004 | ||
| 10/5/2000 | $0 | ||
| 10/6/2000 | $0 | ||
| 10/9/2000 | $0 | ||
| 10/10/2000 | $0 | ||
| 10/11/2000 | $0 | ||
| 10/12/2000 | $0 | ||
| 10/13/2000 | $0 | ||
| 10/16/2000 | $0 | ||
| 10/17/2000 | $0 | ||
| 10/18/2000 | $0 | ||
| 10/19/2000 | $0.1245 | ||
| 10/20/2000 | $0.1752 | ||
| 10/23/2000 | $0.0395 | ||
| 10/24/2000 | $0 | ||
| 10/25/2000 | $0.2356 | ||
| 10/26/2000 | $0.4031 | ||
| 10/27/2000 | $0.0953 | ||
| 10/30/2000 | $0.3117 | ||
| 10/31/2000 | $0.1293 | ||
| 11/1/2000 | $0.1679 | ||
| 11/2/2000 | $0.1265 | ||
| 11/3/2000 | $0.4172 | ||
| 11/6/2000 | $0.1742 | ||
| 11/7/2000 | $0.114 | ||
| 11/8/2000 | $0.0861 | ||
| 11/9/2000 | $0.0464 | ||
| 11/10/2000 | $0.0032 | ||
| 11/13/2000 | $0 | ||
| 11/14/2000 | $0.0482 | ||
| 11/15/2000 | $0 | ||
| 11/16/2000 | $0.0004 | ||
| 11/17/2000 | $0.1921 | ||
| 11/20/2000 | $0.0016 | ||
| 11/21/2000 | $0.0516 | ||
| 11/22/2000 | $0 | ||
| 11/24/2000 | $0 | ||
| 11/27/2000 | $0.0293 | ||
| 11/28/2000 | $0 | ||
| 11/29/2000 | $0 | ||
| 11/30/2000 | $0.007 | ||
| 12/1/2000 | $0.0602 | ||
| 12/4/2000 | $0 | ||
| 12/5/2000 | $2.2808 | ||
| 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 $18.00 per share have no artificial inflation.