| In millions, except per share items | Sep-30-10 | Jun-30-10 | Mar-31-10 | Dec-31-09 | Sep-30-09 | Jun-30-09 | Mar-31-09 | Dec-31-08 |
| | 10-Q | 10-Q/A | 10-Q | 10-K | 10-Q | 10-Q/A | 10-Q | 10-K |
| Revenues |
| Transmission, Gathering and Processing | | | 279.7 | | | | 163.7 | |
| Atlas Pipeline | 227.8 | | 283.2 | | 177.6 | | | |
| Well construction and completion | 60.7 | | 72.6 | | 81.5 | | 112.4 | |
| Gas & Oil Production | 67.5 | | 63.9 | | 66.0 | | 71.9 | |
| Loss on asset sales | | | -2.9 | | | | | |
| Other partnership management | 15.0 | | 12.1 | | 14.7 | | | |
| Revenues - affiliates | | | 10.1 | | | | | |
| |
| EBITDA |
| Atlas Pipeline | -38.2 | -22.7 | 22.4 | | -39.1 | | | |
| Well construction and completion | 9.3 | | 17.0 | | 12.4 | | | |
| Gas & Oil Production | 53.7 | -25.3 | 58.9 | | 107.0 | | | |
| Other partnership management | 4.7 | -1.3 | 0.8 | | 6.5 | | | |
| |
| EBIT |
| Atlas Pipeline | 17.4 | | -0.3 | | 16.4 | | | |
| Well construction and completion | 9.3 | | 17.0 | | 12.4 | | | |
| Gas & Oil Production | 24.9 | | 33.6 | | 30.4 | | | |
| Other partnership management | 3.3 | | -0.5 | | 3.3 | | | |
| |
| Mix |
| Transmission, Gathering and Processing | | | 65.2% | | | | 45.2% | |
| Atlas Pipeline | 61.4% | | 66.0% | | 52.3% | | | |
| Well construction and completion | 16.4% | | 16.9% | | 24.0% | | 31.0% | |
| Gas & Oil Production | 18.2% | | 14.9% | | 19.4% | | 19.9% | |
| Loss on asset sales | | | -0.7% | | | | | |
| Other partnership management | 4.1% | | 2.8% | | 4.3% | | | |
| Revenues - affiliates | | | 2.4% | | | | | |
| |
| Growth |
| Transmission, Gathering and Processing | | | 70.9% | | | | -57.5% | |
| Atlas Pipeline | 28.2% | | | | | | | |
| Well construction and completion | -25.5% | | -35.4% | | -30.3% | | 7.9% | |
| Gas & Oil Production | 2.3% | | -11.2% | | -18.8% | | -5.6% | |
| Other partnership management | 2.5% | | | | | | | |