XBRL Filings for MainStay Funds Trust

The following Funds are a series of MainStay Funds Trust:
MainStay Absolute Return Multi-Strategy Fund, MainStay Balanced Fund, MainStay Candriam Emerging Markets Equity Fund, MainStay Conservative Allocation Fund, MainStay Cushing MLP Premier Fund, MainStay Cushing Renaissance Advantage Fund, MainStay Cushing Energy Income Fund, MainStay Epoch Capital Growth Fund, MainStay Epoch Global Choice Fund, MainStay Epoch Global Equity Yield Fund, MainStay Epoch International Choice Fund, MainStay Epoch U.S. All Cap Fund, MainStay Epoch U.S. Equity Yield Fund, MainStay Epoch U.S. Small Cap Fund, MainStay Floating Rate Fund, MainStay Growth Allocation Fund, MainStay Indexed Bond Fund, MainStay MacKay California Tax Free Opportunities Fund, MainStay MacKay Emerging Markets Equity Fund, MainStay MacKay Growth Fund, MainStay MacKay High Yield Municipal Bond Fund, MainStay MacKay International Opportunities Fund, MainStay MacKay New York Tax Free Opportunities Fund, MainStay MacKay S&P 500 Index Fund, MainStay MacKay Short Duration High Yield Fund, MainStay MacKay Tax Advantaged Short Term Bond Fund, MainStay MacKay Total Return Bond Fund, MainStay MacKay U.S. Equity Opportunities Fund, MainStay Moderate Allocation Fund, MainStay Moderate Growth Allocation Fund, MainStay Retirement 2010 Fund, MainStay Retirement 2020 Fund, MainStay Retirement 2030 Fund, MainStay Retirement 2040 Fund, MainStay Retirement 2050 Fund, MainStay Retirement 2060 Fund

Prospectus dated February 28, 2018
Supplement dated February 28, 2018, for MainStay Funds Trust Class R6 Shares
Supplement dated February 28, 2018, for MainStay Funds Trust Class T Shares
Prospectus dated March 31, 2018, for MainStay Cushing Funds
Supplement dated March 31, 2018, for MainStay Cushing Funds Class R6 Shares
Supplement dated March 31, 2018, for MainStay Cushing Funds Class T Shares
Supplement dated June 23, 2017, for MainStay Funds Trust
Prospectuses dated August 28, 2017, for MainStay Absolute Return Multi-Strategy Fund and MainStay Tax Advantaged Short Term Bond Fund
Supplement dated August 28, 2017, for MainStay Absolute Return Multi-Strategy Fund and MainStay Tax Advantaged Short Term Bond Fund Class T Shares
Supplement dated August 28, 2017, for MainStay Absolute Return Multi-Strategy Fund and MainStay Tax Advantaged Short Term Bond Fund Class R6 Shares
Supplement dated December 15, 2017, for MainStay Absolute Return Multi-Strategy Fund
Supplement dated December 15, 2017, for MainStay Funds Trust
Supplement dated March 23, 2018, for MainStay MacKay Tax Advantaged Short Term Bond Fund
Supplement dated March 23, 2018, for MainStay MacKay Tax Advantaged Short Term Bond Fund Class T Shares
Supplements dated May 1, 2018, for MainStay Epoch Global Equity Yield Fund and MainStay Epoch U.S. Equity Yield Fund