| Year                      | 2005   | 2006   | 2007   | 2008   | 2009   | 2010   | 2011   | 2012   | 2013   | 2014   | 2015   | 2016   | 2017   | 2018   | 2019   | 2020   | 2021   |
|---------------------------|--------|--------|--------|--------|--------|--------|--------|--------|--------|--------|--------|--------|--------|--------|--------|--------|--------|
| National Cash             | 52.10% | 49.40% | 47.30% | 42.60% | 38.80% | 37.40% | 32.60% | 26.00% | 23.10% | 23.10% | 21.30% | 25.60% | 25.70% | 25.50% | 20.90% | 23.40% | 19.50% |
| National Formula          | 33.20% | 34.30% | 37.40% | 39.10% | 43.70% | 43.10% | 47.40% | 54.80% | 59.80% | 56.80% | 57.00% | 57.60% | 57.20% | 61.10% | 64.80% | 62.70% | 61.00% |
| National Forward Contract | 4.80%  | 7.20%  | 6.80%  | 11.20% | 9.50%  | 11.90% | 13.20% | 12.00% | 10.80% | 15.80% | 17.50% | 12.70% | 13.00% | 9.60%  | 11.00% | 8.90%  | 10.90% |
| National Negotiated Grid  | 9.90%  | 9.00%  | 8.50%  | 7.10%  | 8.00%  | 7.60%  | 6.70%  | 7.20%  | 6.30%  | 4.30%  | 4.20%  | 4.10%  | 4.10%  | 3.80%  | 3.30%  | 5.00%  | 8.60%  |
| 5-Area Cash               | 55.80% | 52.00% | 49.80% | 45.30% | 43.20% | 42.40% | 36.80% | 27.80% | 24.10% | 24.00% | 21.30% | 26.30% | 26.80% | 26.10% | 20.50% | 23.30% | 19.40% |
| 5-Area Formula            | 31.90% | 33.30% | 35.90% | 38.10% | 42.30% | 42.20% | 46.50% | 56.20% | 61.80% | 58.70% | 58.80% | 59.40% | 59.50% | 64.20% | 69.60% | 67.00% | 64.70% |
| 5-Area Forward Contract   | 4.60%  | 7.10%  | 6.80%  | 10.40% | 8.10%  | 9.90%  | 10.90% | 10.00% | 8.60%  | 13.70% | 16.70% | 11.20% | 10.80% | 7.00%  | 7.60%  | 5.40%  | 7.70%  |
| 5-Area Negotiated Grid    | 7.70%  | 7.70%  | 7.50%  | 6.30%  | 6.40%  | 5.50%  | 5.70%  | 5.90%  | 5.40%  | 3.60%  | 3.20%  | 3.10%  | 2.90%  | 2.70%  | 2.30%  | 4.30%  | 8.20%  |
| TX-OK-NM Cash             | 47.20% | 42.50% | 36.70% | 31.50% | 26.40% | 21.50% | 17.00% | 10.20% | 6.10%  | 3.00%  | 2.60%  | 6.40%  | 9.30%  | 6.20%  | 5.40%  | 10.10% | 7.40%  |
| TX-OK-NM Formula          | 42.20% | 42.20% | 48.40% | 53.30% | 60.40% | 66.90% | 72.70% | 76.00% | 83.00% | 84.60% | 85.90% | 82.40% | 81.80% | 86.20% | 87.90% | 84.20% | 80.80% |
| TX-OK-NM Forward Contract | 3.10%  | 5.00%  | 4.40%  | 5.80%  | 5.40%  | 4.90%  | 4.40%  | 5.40%  | 4.00%  | 7.40%  | 9.30%  | 7.00%  | 6.20%  | 4.90%  | 5.30%  | 4.30%  | 5.00%  |
| TX-OK-NM Negotiated Grid  | 7.50%  | 10.30% | 10.50% | 9.30%  | 7.80%  | 6.70%  | 5.90%  | 8.40%  | 6.90%  | 5.10%  | 2.10%  | 4.20%  | 2.60%  | 2.70%  | 1.60%  | 1.40%  | 6.80%  |
| KS Cash                   | 50.60% | 47.30% | 44.80% | 41.70% | 39.90% | 41.00% | 36.90% | 27.40% | 21.00% | 15.60% | 12.50% | 23.00% | 21.90% | 19.30% | 16.20% | 18.20% | 12.50% |
| KS Formula                | 44.80% | 46.00% | 48.50% | 48.00% | 52.10% | 51.60% | 54.10% | 63.60% | 68.50% | 69.50% | 64.80% | 67.30% | 70.70% | 76.40% | 81.60% | 76.70% | 74.40% |
| KS Forward Contract       | 2.80%  | 5.40%  | 5.40%  | 7.80%  | 7.00%  | 6.30%  | 7.10%  | 5.70%  | 6.50%  | 14.30% | 22.20% | 9.30%  | 7.00%  | 3.90%  | 1.70%  | 1.40%  | 3.80%  |
| KS Negotiated Grid        | 1.80%  | 1.30%  | 1.30%  | 2.40%  | 1.00%  | 1.00%  | 2.00%  | 3.40%  | 4.00%  | 0.70%  | 0.60%  | 0.40%  | 0.40%  | 0.40%  | 0.50%  | 3.70%  | 9.30%  |
| NE Cash                   | 64.60% | 63.70% | 64.70% | 61.00% | 60.40% | 55.80% | 48.30% | 38.90% | 36.40% | 38.30% | 32.60% | 42.10% | 41.30% | 43.00% | 32.90% | 36.10% | 31.10% |
| NE Formula                | 18.30% | 16.80% | 17.80% | 17.80% | 22.60% | 23.40% | 28.70% | 41.00% | 48.40% | 42.60% | 44.40% | 42.00% | 41.00% | 45.20% | 52.40% | 54.00% | 52.10% |
| NE Forward Contract       | 5.80%  | 9.70%  | 7.80%  | 14.70% | 9.00%  | 14.00% | 15.60% | 14.80% | 10.20% | 14.70% | 17.70% | 12.70% | 13.50% | 8.50%  | 11.70% | 4.60%  | 8.80%  |
| NE Negotiated Grid        | 11.30% | 9.80%  | 9.60%  | 6.50%  | 8.00%  | 6.70%  | 7.40%  | 5.30%  | 5.00%  | 4.40%  | 5.30%  | 3.20%  | 4.20%  | 3.30%  | 3.00%  | 5.30%  | 8.00%  |
| CO Cash                   | 51.80% | 40.70% | 39.60% | 28.50% | 28.80% | 19.70% | 17.90% | 12.50% | 10.60% | 11.20% | 8.30%  | 13.80% | 16.00% | 13.50% | N/A    | N/A    | N/A    |
| CO Formula                | 30.10% | 46.70% | 46.30% | 54.50% | 57.90% | 64.00% | 64.10% | 69.10% | 71.40% | 64.10% | 70.80% | 73.40% | 69.40% | 74.50% | N/A    | N/A    | N/A    |
| CO Forward Contract       | 8.60%  | 7.30%  | 7.50%  | 13.30% | 10.50% | 14.40% | 16.00% | 16.80% | 16.80% | 24.10% | 20.30% | 12.20% | 14.10% | 10.90% | N/A    | N/A    | N/A    |
| CO Negotiated Grid        | 9.50%  | 5.30%  | 6.60%  | 3.80%  | 2.70%  | 1.90%  | 2.00%  | 1.60%  | 1.20%  | 0.60%  | 0.60%  | 0.60%  | 0.50%  | 1.10%  | N/A    | N/A    | N/A    |
| IA-MN Cash                | 73.90% | 68.80% | 68.80% | 66.70% | 63.90% | 65.60% | 61.80% | 56.40% | 54.60% | 57.00% | 56.70% | 50.90% | 51.00% | 57.10% | 50.00% | 51.20% | 47.50% |
| IA-MN Formula             | 7.20%  | 8.40%  | 8.20%  | 9.00%  | 10.30% | 11.20% | 10.90% | 20.50% | 23.20% | 20.30% | 20.20% | 21.10% | 21.30% | 22.30% | 25.30% | 24.70% | 24.90% |
| IA-MN Forward Contract    | 7.10%  | 10.20% | 13.30% | 16.70% | 13.20% | 13.90% | 17.10% | 13.20% | 13.80% | 17.10% | 16.10% | 20.10% | 19.80% | 13.60% | 17.80% | 15.60% | 17.40% |
| IA-MN Negotiated Grid     | 11.80% | 12.60% | 9.70%  | 7.60%  | 12.60% | 9.30%  | 10.20% | 9.90%  | 8.40%  | 5.70%  | 7.00%  | 7.90%  | 7.90%  | 7.00%  | 6.90%  | 8.50%  | 10.20% |
| Source: USDA AMS LPGMN    |        |        |        |        |        |        |        |        |        |        |        |        |        |        |        |        |        |