MainStay MacKay Short Duration High Income Fund Class R3 NMFQS:MDHTX

The fund, under normal circumstances, invests at least 80% of its assets (net assets plus any borrowings for investment purposes) in high-yield debt securities that are rated below investment grade by a nationally recognized statistical rating organization ("NRSRO") or that are unrated but are considered to be of comparable quality by MacKay Shields LLC, the fund's Subadvisor. It will generally seek to maintain a weighted average duration of three years or less, although the fund may invest in instruments of any duration or maturity.