| Daily Price Action: |
| Date |
Open |
High |
Low |
Close |
Volume |
| 2010-03-29 | 33.23 | 33.50 | 33.20 | 33.45 | 610700 |
| 2010-03-26 | 33.24 | 33.45 | 33.07 | 33.16 | 1321900 |
| 2010-03-25 | 33.48 | 33.53 | 33.11 | 33.19 | 602400 |
| 2010-03-24 | 33.48 | 33.48 | 33.20 | 33.22 | 756100 |
| 2010-03-23 | 32.82 | 33.60 | 32.78 | 33.46 | 1179100 |
| 2010-03-22 | 32.60 | 32.93 | 32.46 | 32.83 | 777300 |
| 2010-03-19 | 32.45 | 32.71 | 32.34 | 32.70 | 1683200 |
| 2010-03-18 | 33.54 | 33.60 | 32.21 | 32.48 | 2279700 |
| 2010-03-17 | 33.63 | 33.82 | 33.50 | 33.79 | 450400 |
| 2010-03-16 | 33.61 | 33.75 | 33.40 | 33.49 | 1363600 |
| 2010-03-15 | 33.66 | 33.87 | 33.49 | 33.61 | 480500 |
| 2010-03-12 | 33.69 | 33.77 | 33.49 | 33.77 | 1097000 |
| 2010-03-11 | 32.97 | 33.53 | 32.91 | 33.53 | 536200 |
| 2010-03-10 | 33.05 | 33.21 | 32.86 | 33.18 | 462300 |
| 2010-03-09 | 33.08 | 33.20 | 32.83 | 33.08 | 496400 |
| 2010-03-08 | 32.73 | 33.17 | 32.73 | 33.08 | 658200 |
| 2010-03-05 | 32.73 | 32.90 | 32.52 | 32.85 | 474400 |
| 2010-03-04 | 32.60 | 32.60 | 32.14 | 32.51 | 542300 |
| 2010-03-03 | 32.66 | 32.84 | 32.39 | 32.47 | 450200 |
| 2010-03-02 | 32.27 | 32.70 | 32.24 | 32.69 | 584200 |
| 2010-03-01 | 31.78 | 32.21 | 31.78 | 32.21 | 542200 |
| 2010-02-26 | 31.82 | 31.82 | 31.48 | 31.63 | 452500 |
| 2010-02-25 | 31.71 | 31.75 | 31.28 | 31.73 | 658700 |
| 2010-02-24 | 32.09 | 32.19 | 31.70 | 32.02 | 491400 |
| 2010-02-23 | 32.28 | 32.45 | 32.02 | 32.08 | 572300 |
| 2010-02-22 | 32.50 | 32.82 | 32.29 | 32.43 | 419600 |
| 2010-02-19 | 31.78 | 32.49 | 31.74 | 32.42 | 502400 |
| 2010-02-18 | 31.63 | 31.97 | 31.54 | 31.91 | 461000 |
| 2010-02-17 | 31.67 | 31.87 | 31.33 | 31.60 | 535100 |
| 2010-02-16 | 31.23 | 31.69 | 31.22 | 31.66 | 592800 |
| 2010-02-12 | 30.75 | 30.99 | 30.48 | 30.97 | 1234400 |
| 2010-02-11 | 30.60 | 30.92 | 30.32 | 30.91 | 555500 |
|
| Recent Company Events: |
| 13-Jan-10 | Coverage initiated on Alliant Energy by Wunderlich | | 8-Jan-10 | Price hit new 52-week high ($33.25) | | 7-Jan-10 | Price hit new 52-week high ($31.56) | | 24-Dec-09 | Price hit new 52-week high ($31.53) | | 22-Dec-09 | ALLIANT ENERGY CORP Files SEC form 8-K, Regulation FD Disclosure, Financial Statements and Exhibits | | 20-Nov-09 | ALLIANT ENERGY CORP Files SEC form 8-K, Change in Directors or Principal Officers | | 30-Oct-09 | Alliant Energy Earnings Call scheduled for 10:00 am ET today | | 30-Oct-09 | ALLIANT ENERGY CORP Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements and Exhib | | 28-Oct-09 | Ex-Date for dividend payment of $0.375 | | 1-Oct-09 | ALLIANT ENERGY CORP Files SEC form 8-K, Creation of a Direct Financial Obligation or an Obligation under an Off-Balan | | 29-Sep-09 | ALLIANT ENERGY CORP Files SEC form 8-K, Other Events, Financial Statements and Exhibits | | 16-Sep-09 | ALLIANT ENERGY CORP Files SEC form 8-K, Creation of a Direct Financial Obligation or an Obligation under an Off-Balan | | 6-Aug-09 | ALLIANT ENERGY CORP Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements and Exhib | | 29-Jul-09 | Ex-Date for dividend payment of $0.375 | | 24-Jul-09 | ALLIANT ENERGY CORP Files SEC form 8-K, Change in Directors or Principal Officers | | 8-Jul-09 | ALLIANT ENERGY CORP Files SEC form 8-K, Creation of a Direct Financial Obligation or an Obligation under an Off-Balan | | 29-Jun-09 | ALLIANT ENERGY CORP Files SEC form 8-K, Change in Directors or Principal Officers | | 8-May-09 | ALLIANT ENERGY CORP Files SEC form 8-K, Regulation FD Disclosure, Financial Statements and Exhibits | | 4-May-09 | ALLIANT ENERGY CORP Files SEC form 10-Q, Quarterly Report | | 30-Apr-09 | ALLIANT ENERGY CORP Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements and Exhib | | 27-Apr-09 | ALLIANT ENERGY CORP Files SEC form 8-K, Triggering Events That Accelerate or Increase a Direct Financial Obligation o | | 17-Mar-09 | ALLIANT ENERGY CORP Files SEC form 8-K, Regulation FD Disclosure | | 9-Mar-09 | Price hit new 52-week low ($20.31) | | 5-Mar-09 | Price hit new 52-week low ($20.43) | | 4-Mar-09 | Price hit new 52-week low ($21.09) | | 27-Feb-09 | ALLIANT ENERGY CORP Files SEC form 10-K, Annual Report | | 17-Feb-09 | ALLIANT ENERGY CORP Files SEC form 8-K, Change in Directors or Principal Officers | | 5-Feb-09 | ALLIANT ENERGY CORP Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements and Exhib |
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