| Daily Price Action: |
| Date |
Open |
High |
Low |
Close |
Volume |
| 2010-03-29 | 21.95 | 22.28 | 21.76 | 22.05 | 76400 |
| 2010-03-26 | 22.28 | 22.28 | 21.71 | 21.84 | 112400 |
| 2010-03-25 | 22.50 | 22.50 | 21.91 | 21.98 | 114900 |
| 2010-03-24 | 22.60 | 22.67 | 22.33 | 22.54 | 107100 |
| 2010-03-23 | 22.50 | 22.71 | 22.37 | 22.69 | 122600 |
| 2010-03-22 | 21.98 | 22.65 | 21.90 | 22.52 | 129200 |
| 2010-03-19 | 22.47 | 22.48 | 21.92 | 21.98 | 187400 |
| 2010-03-18 | 22.40 | 22.59 | 22.18 | 22.42 | 129200 |
| 2010-03-17 | 22.53 | 22.80 | 22.30 | 22.45 | 260400 |
| 2010-03-16 | 22.51 | 22.63 | 22.40 | 22.50 | 153400 |
| 2010-03-15 | 22.62 | 22.62 | 22.20 | 22.50 | 97700 |
| 2010-03-12 | 22.90 | 22.90 | 22.38 | 22.50 | 213300 |
| 2010-03-11 | 23.50 | 23.50 | 22.50 | 22.50 | 314100 |
| 2010-03-10 | 22.76 | 23.06 | 22.51 | 22.87 | 297600 |
| 2010-03-09 | 22.65 | 22.96 | 22.43 | 22.50 | 325100 |
| 2010-03-08 | 22.74 | 23.08 | 22.47 | 22.64 | 412900 |
| 2010-03-05 | 22.24 | 22.55 | 22.08 | 22.47 | 269800 |
| 2010-03-04 | 21.95 | 22.24 | 21.70 | 22.12 | 313400 |
| 2010-03-03 | 22.04 | 22.30 | 21.68 | 21.69 | 130800 |
| 2010-03-02 | 21.45 | 22.48 | 21.45 | 21.90 | 169200 |
| 2010-03-01 | 21.38 | 21.69 | 21.35 | 21.42 | 99700 |
| 2010-02-26 | 21.17 | 21.50 | 21.15 | 21.38 | 153600 |
| 2010-02-25 | 20.69 | 21.20 | 20.51 | 21.00 | 86600 |
| 2010-02-24 | 20.80 | 21.11 | 20.64 | 20.78 | 109300 |
| 2010-02-23 | 20.65 | 20.89 | 20.57 | 20.73 | 148200 |
| 2010-02-22 | 21.45 | 21.45 | 20.71 | 20.76 | 339000 |
| 2010-02-19 | 21.15 | 21.29 | 20.97 | 21.20 | 79200 |
| 2010-02-18 | 21.15 | 21.35 | 21.08 | 21.13 | 151200 |
| 2010-02-17 | 21.18 | 21.69 | 21.15 | 21.24 | 137200 |
| 2010-02-16 | 21.00 | 21.68 | 20.93 | 21.18 | 119300 |
| 2010-02-12 | 20.72 | 20.91 | 20.40 | 20.74 | 98600 |
| 2010-02-11 | 20.07 | 20.79 | 19.96 | 20.60 | 169900 |
|
| Recent Company Events: |
| 15-Jan-10 | WESTERN GAS PARTNERS LP Files SEC form 8-K, Change in Directors or Principal Officers | | 7-Jan-10 | WESTERN GAS PARTNERS LP Files SEC form 8-K, Entry into a Material Definitive Agreement | | 6-Jan-10 | Price hit new 52-week high ($20.50) | | 9-Dec-09 | WESTERN GAS PARTNERS LP Files SEC form 8-K, Entry into a Material Definitive Agreement | | 12-Nov-09 | WESTERN GAS PARTNERS LP Files SEC form 8-K, Results of Operations and Financial Condition | | 30-Oct-09 | WESTERN GAS PARTNERS LP Files SEC form 8-K, Entry into a Material Definitive Agreement | | 28-Oct-09 | Ex-Date for dividend payment of $0.32 | | 26-Oct-09 | Price hit new 52-week high ($20.00) | | 23-Oct-09 | Price hit new 52-week high ($19.92) | | 2-Oct-09 | WESTERN GAS PARTNERS LP Files SEC form 8-K, Change in Directors or Principal Officers | | 13-Aug-09 | WESTERN GAS PARTNERS LP Files SEC form 10-Q, Quarterly Report | | 12-Aug-09 | WESTERN GAS PARTNERS LP Files SEC form 8-K, Results of Operations and Financial Condition | | 29-Jul-09 | Ex-Date for dividend payment of $0.31 | | 23-Jul-09 | WESTERN GAS PARTNERS LP Files SEC form 8-K, Entry into a Material Definitive Agreement, Unregistered Sale of Equity S | | 15-Jul-09 | WESTERN GAS PARTNERS LP Files SEC form 8-K, Entry into a Material Definitive Agreement | | 16-Jun-09 | WESTERN GAS PARTNERS LP Files SEC form 8-K, Other Events | | 28-May-09 | WESTERN GAS PARTNERS LP Files SEC form 8-K, Change in Directors or Principal Officers | | 13-May-09 | WESTERN GAS PARTNERS LP Files SEC form 8-K, Results of Operations and Financial Condition | | 20-Apr-09 | WESTERN GAS PARTNERS LP Files SEC form 8-K, Amendments to Articles of Inc. or Bylaws; Change in Fiscal Year | | 13-Mar-09 | WESTERN GAS PARTNERS LP Files SEC form 10-K, Annual Report | | 11-Mar-09 | WESTERN GAS PARTNERS LP Files SEC form 8-K, Results of Operations and Financial Condition | | 3-Mar-09 | WESTERN GAS PARTNERS LP Files SEC form 8-K, Change in Directors or Principal Officers | | 24-Dec-08 | WESTERN GAS PARTNERS LP Files SEC form 8-K, Entry into a Material Definitive Agreement, Unregistered Sale of Equity S |
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