| C.F. Industries 3.20.2012 |
| Bidding Increments | |
| For amounts up to... | Increment |
| 1.00 | 0.25 |
| 10.00 | 1.00 |
| 50.00 | 2.00 |
| 100.00 | 5.00 |
| 200.00 | 10.00 |
| 1,000.00 | 25.00 |
| 2,000.00 | 50.00 |
| 10,000.00 | 100.00 |
| 25,000.00 | 250.00 |
| 50,000.00 | 500.00 |
| 100,000.00 | 1,000.00 |
| 500,000.00 | 2,500.00 |
| 1,000,000.00 | 5,000.00 |