| 2020 | American Electric Power System Retiree Medical Benefit Trust | 990 | Administration | ONE EXPRESS WAY, St Louis, MO 63121 | $1,681,923 | View return |
| 2019 | American Electric Power System Retiree Medical Benefit Trust | 990 | Administration | ONE EXPRESS WAY, St Louis, MO 63121 | $1,756,347 | View return |
| 2018 | American Electric Power System Retiree Medical Benefit Trust | 990 | Administration | ONE EXPRESS WAY, St Louis, MO 63121 | $1,659,944 | View return |
| 2016 | American Electric Power System Employees Benefit Trust | 990 | Administration Fees | one express way, St Louis, MO 63121 | $782,487 | View return |
| 2016 | American Electric Power System Retiree Medical Trust for Certain Union Employees | 990 | Administration Fees | ONE EXPRESS WAY, St Louis, MO 63121 | $313,672 | View return |
| 2015 | American Electric Power System Retiree Medical Benefit Trust | 990 | Administration | One Express Way, St Louis, MO 63121 | $1,503,961 | View return |
| 2015 | American Electric Power System Employees Benefit Trust | 990 | Administration Fees | one express way, St Louis, MO 63121 | $638,263 | View return |
| 2015 | American Electric Power System Retiree Medical Trust for Certain Union Employees | 990 | Administration Fees | ONE EXPRESS WAY, St Louis, MO 63121 | $247,495 | View return |
| 2014 | American Electric Power System Retiree Medical Benefit Trust | 990 | Administration | One Express Way, St Louis, MO 63121 | $1,493,453 | View return |
| 2014 | American Electric Power System Retiree Medical Trust for Certain Union Employees | 990 | Administration Fees | ONE EXPRESS WAY, St Louis, MO 63121 | $259,088 | View return |
| 2014 | American Electric Power System Retiree Medical Trust for Certain Union Employees | 990 | Administration Fees | ONE EXPRESS WAY, St Louis, MO 63121 | $259,088 | View return |
