EX Date	06/22/2016	09/21/2016	12/21/2016	06/22/2017	09/21/2017	12/21/2017	12/18/2018	09/25/2019	12/13/2019	03/26/2020	09/24/2020	12/24/2020	09/23/2022	12/23/2022	03/24/2023	06/27/2023	12/22/2023
Payment Date	06/30/2016	09/30/2016	12/30/2016	06/30/2017	09/29/2017	12/29/2017	12/31/2018	09/30/2019	12/31/2019	03/31/2020	09/30/2020	12/31/2020	09/30/2022	12/30/2022	03/31/2023	06/30/2023	12/29/2023
Record Date	06/24/2016	09/23/2016	12/23/2016	06/26/2017	09/22/2017	12/22/2017	12/19/2018	09/26/2019	12/16/2019	03/27/2020	09/25/2020	12/28/2020	09/26/2022	12/27/2022	03/27/2023	06/28/2023	12/26/2023
Declared Date	06/21/2016	09/20/2016	12/20/2016	06/21/2017	09/20/2017	12/20/2017	01/09/2018	09/24/2019	12/12/2019	03/25/2020	09/23/2020	12/23/2020	09/22/2022	12/22/2022	03/23/2023	06/26/2023	12/21/2023
Amount	0.0276	0.0269	0.1151	0.029	0.0072	0.0458	0.0207	0.0247	0.1074	0.0039	0.0897	0.0697	0.0225	0.1112	0.083	0.0218	0.0619
Flag	Cash	Cash	Cash	Cash	Cash	Cash	Cash	Cash	Cash	Cash	Cash	Cash	Cash	Cash	Cash	Cash	Cash
Currency	USD	USD	USD	USD	USD	USD	USD	USD	USD	USD	USD	USD	USD	USD	USD	USD	USD
Description	First Trust Mid Cap Growth AlphaDEX Fund	First Trust Mid Cap Growth AlphaDEX Fund	First Trust Mid Cap Growth AlphaDEX Fund	First Trust Mid Cap Growth AlphaDEX Fund	First Trust Mid Cap Growth AlphaDEX Fund	First Trust Mid Cap Growth AlphaDEX Fund	First Trust Mid Cap Growth AlphaDEX Fund	First Trust Mid Cap Growth AlphaDEX Fund	First Trust Mid Cap Growth AlphaDEX Fund	First Trust Mid Cap Growth AlphaDEX Fund	First Trust Mid Cap Growth AlphaDEX Fund	First Trust Mid Cap Growth AlphaDEX Fund	First Trust Mid Cap Growth AlphaDEX Fund	First Trust Mid Cap Growth AlphaDEX Fund	First Trust Mid Cap Growth AlphaDEX Fund	First Trust Mid Cap Growth AlphaDEX Fund	First Trust Mid Cap Growth AlphaDEX Fund
Frequency	quarterly	quarterly	quarterly	quarterly	quarterly	quarterly	quarterly	quarterly	quarterly	quarterly	quarterly	quarterly	quarterly	quarterly	quarterly	quarterly	quarterly