| Daily Price Action: |
| Date |
Open |
High |
Low |
Close |
Volume |
| 2010-03-29 | 2.59 | 2.75 | 2.59 | 2.74 | 124500 |
| 2010-03-26 | 2.61 | 2.67 | 2.54 | 2.58 | 158500 |
| 2010-03-25 | 2.77 | 2.80 | 2.62 | 2.62 | 243800 |
| 2010-03-24 | 2.76 | 2.79 | 2.66 | 2.78 | 96600 |
| 2010-03-23 | 2.81 | 2.81 | 2.76 | 2.80 | 67800 |
| 2010-03-22 | 2.79 | 2.86 | 2.69 | 2.80 | 203000 |
| 2010-03-19 | 2.83 | 2.83 | 2.64 | 2.76 | 225900 |
| 2010-03-18 | 2.89 | 2.91 | 2.76 | 2.84 | 101400 |
| 2010-03-17 | 2.91 | 2.95 | 2.76 | 2.87 | 252300 |
| 2010-03-16 | 2.70 | 2.92 | 2.59 | 2.87 | 566600 |
| 2010-03-15 | 2.66 | 2.74 | 2.62 | 2.65 | 137100 |
| 2010-03-12 | 2.69 | 2.74 | 2.51 | 2.62 | 229000 |
| 2010-03-11 | 2.70 | 2.74 | 2.62 | 2.70 | 141200 |
| 2010-03-10 | 2.68 | 2.75 | 2.61 | 2.70 | 424300 |
| 2010-03-09 | 2.43 | 2.83 | 2.39 | 2.64 | 955800 |
| 2010-03-08 | 2.43 | 2.45 | 2.35 | 2.44 | 150300 |
| 2010-03-05 | 2.32 | 2.44 | 2.30 | 2.43 | 231200 |
| 2010-03-04 | 2.31 | 2.33 | 2.28 | 2.32 | 74200 |
| 2010-03-03 | 2.27 | 2.33 | 2.24 | 2.31 | 69200 |
| 2010-03-02 | 2.31 | 2.31 | 2.19 | 2.30 | 153600 |
| 2010-03-01 | 2.36 | 2.38 | 2.25 | 2.27 | 134100 |
| 2010-02-26 | 2.26 | 2.34 | 2.25 | 2.33 | 109000 |
| 2010-02-25 | 2.22 | 2.28 | 2.12 | 2.28 | 209400 |
| 2010-02-24 | 2.34 | 2.34 | 2.21 | 2.23 | 161400 |
| 2010-02-23 | 2.36 | 2.36 | 2.30 | 2.30 | 159400 |
| 2010-02-22 | 2.37 | 2.44 | 2.33 | 2.40 | 121300 |
| 2010-02-19 | 2.41 | 2.42 | 2.37 | 2.39 | 83600 |
| 2010-02-18 | 2.35 | 2.40 | 2.32 | 2.38 | 110000 |
| 2010-02-17 | 2.48 | 2.50 | 2.33 | 2.35 | 421000 |
| 2010-02-16 | 2.44 | 2.48 | 2.35 | 2.39 | 449000 |
| 2010-02-12 | 2.50 | 2.50 | 2.36 | 2.41 | 334200 |
| 2010-02-11 | 2.50 | 2.56 | 2.38 | 2.50 | 215500 |
|
| Recent Company Events: |
| 23-Dec-09 | Coverage initiated on Achillion Pharma by Roth Capital | | 22-Dec-09 | ACHILLION PHARMACEUTICALS INC Files SEC form 8-K, Termination of a Material Definitive Agreement, Change in Directors | | 16-Dec-09 | Price hit new 52-week high ($3.89) | | 15-Dec-09 | ACHILLION PHARMACEUTICALS INC Files SEC form 8-K, Other Events, Financial Statements and Exhibits | | 17-Nov-09 | ACHILLION PHARMACEUTICALS INC Files SEC form 8-K, Notice of Delisting or Failure to Satisfy a Continued Listing Rule | | 6-Nov-09 | ACHILLION PHARMACEUTICALS INC Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements | | 4-Sep-09 | ACHILLION PHARMACEUTICALS INC Files SEC form 8-K, Entry into a Material Definitive Agreement | | 3-Aug-09 | ACHILLION PHARMACEUTICALS INC Files SEC form 10-Q, Quarterly Report | | 30-Jul-09 | ACHILLION PHARMACEUTICALS INC Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements | | 17-Jul-09 | Price hit new 52-week high ($2.42) | | 16-Jul-09 | Price hit new 52-week high ($2.41) | | 6-Jul-09 | ACHILLION PHARMACEUTICALS INC Files SEC form 8-K, Entry into a Material Definitive Agreement, Other Events, Financial | | 15-May-09 | ACHILLION PHARMACEUTICALS INC Files SEC form 10-Q, Quarterly Report | | 27-Mar-09 | ACHILLION PHARMACEUTICALS INC Files SEC form 10-K, Annual Report | | 26-Mar-09 | ACHILLION PHARMACEUTICALS INC Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements | | 9-Feb-09 | ACHILLION PHARMACEUTICALS INC Files SEC form 8-K, Termination of a Material Definitive Agreement | | 8-Jan-09 | ACHILLION PHARMACEUTICALS INC Files SEC form 8-K, Change in Directors or Principal Officers, Financial Statements and | | 19-Dec-08 | ACHILLION PHARMACEUTICALS INC Files SEC form 8-K, Change in Directors or Principal Officers |
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