|                                                               |   | For the Years Ended December 31, |   |
|--------------------------------------------------------------------|--------|----------------------------------|--------|
|                                                               |   | 2010                             |   |   | 2009 |   |   | 2008 |   |   | 2007 |   |   | 2006 |   |
| Consolidated net income                                            |   | $                                | 53.4   |   |   | $ | 45.8 |   |   | $ | 55.3 |   |   | $ | 23.6 |   |   | $ | 51.7 |   |
| Add: Provision for income taxes                                    |   |                             | --     |   |   |   | 1.3 |   |   |   | 1.1 |   |   |   | 4.2 |   |   |   | 1.7 |   |
| Less:  Equity in income of Evangeline                    |   |                             | (0.8   | ) |   |   | (1.1 | ) |   |   | (0.9 | ) |   |   | (0.2 | ) |   |   | (1.0 | ) |
|                                                               |   |                             |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Consolidated pre-tax income before equity earnings from Evangeline |   |                             | 52.6   |   |   |   | 46.0 |   |   |   | 55.5 |   |   |   | 27.6 |   |   |   | 52.4 |   |
| Add:  Fixed charges                                      |   |                             | 19.9   |   |   |   | 17.6 |   |   |   | 15.3 |   |   |   | 14.5 |   |   |   | 3.2 |   |
| Amortization of capitalized interest                               |   |                             | 4.2    |   |   |   | 4.0 |   |   |   | 1.0 |   |   |   | 0.6 |   |   |   | -- |   |
|    Subtotal                                              |   |                             | 76.7   |   |   |   | 67.6 |   |   |   | 71.8 |   |   |   | 42.7 |   |   |   | 55.6 |   |
| Less:  Interest capitalized                              |   |                             | (3.2   | ) |   |   | (0.3 | ) |   |   | (0.3 | ) |   |   | (2.6 | ) |   |   | -- |   |
| Net loss (income) attributable to noncontrolling interest:         |   |                             |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
|    DEP I Midstream Businesses - Parent              |   |                             | (27.7  | ) |   |   | (15.3 | ) |   |   | (11.4 | ) |   |   | (20.0 | ) |   |   | -- |   |
|    DEP II Midstream Businesses - Parent             |   |                             | 64.4   |   |   |   | 60.6 |   |   |   | 4.0 |   |   |   | -- |   |   |   | -- |   |
| Total earnings                                                     |   | $                                | 110.2  |   |   | $ | 112.6 |   |   | $ | 64.1 |   |   | $ | 20.1 |   |   | $ | 55.6 |   |
| Fixed charges:                                                     |   |                             |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Interest expense                                                   |   | $                                | 12.1   |   |   | $ | 14.0 |   |   | $ | 11.4 |   |   | $ | 8.6 |   |   | $ | -- |   |
| Capitalized interest                                               |   |                             | 3.2    |   |   |   | 0.3 |   |   |   | 0.3 |   |   |   | 2.6 |   |   |   | -- |   |
| Interest portion of rental expense                                 |   |                             | 4.6    |   |   |   | 3.3 |   |   |   | 3.6 |   |   |   | 3.3 |   |   |   | 3.2 |   |
|    Total                                                 |   | $                                | 19.9   |   |   | $ | 17.6 |   |   | $ | 15.3 |   |   | $ | 14.5 |   |   | $ | 3.2 |   |
| Ratio of earnings to fixed assets                                  |   |                             | 5.5x   |   |   |   | 6.4x |   |   |   | 4.2x |   |   |   | 1.4x |   |   |   | 17.4x |   |

| ·   |    consolidated pre-tax income from continuing operations before adjustment for income or loss from our equity investee; |
|--------------------|------------------------------------------------------------------------------------------------------------------------------------|

| ·   |    fixed charges; |
|--------------------|-----------------------------|

| ·   |    amortization of capitalized interest; |
|--------------------|----------------------------------------------------|

| ·   |    distributed income of our equity investee; and |
|--------------------|-------------------------------------------------------------|

| ·   |    our share of pre-tax losses of our equity investee for which charges arising from guarantees are included in fixed charges. |
|--------------------|------------------------------------------------------------------------------------------------------------------------------------------|

| ·   |    interest capitalized; |
|--------------------|------------------------------------|

| ·   |    preference security dividend requirements of consolidated subsidiaries; and |
|--------------------|------------------------------------------------------------------------------------------|

| ·   |    the noncontrolling interest in pre-tax income of subsidiaries that have not incurred fixed charges. |
|--------------------|------------------------------------------------------------------------------------------------------------------|