Common use of Investor Class Clause in Contracts

Investor Class. The Manager will apply an equivalent waiver or reimbursement, in an equal number of basis points waived for Class A Shares. MainStay MacKay Growth Fund Class I: 1.09% MainStay MacKay High Yield Municipal Bond Fund Class A: 0.875% Class C: The Manager will apply an equivalent waiver or reimbursement, in an equal number of basis points waived for Class A Shares. Class I: The Manager will apply an equivalent waiver or reimbursement, in an equal number of basis points waived for Class A Shares. Investor Class: The Manager will apply an equivalent waiver or reimbursement, in an equal number of basis points waived for Class A Shares. MainStay MacKay Infrastructure Bond Fund Expense Limitation until February 28, 2021 Class A: 0.85% Class B: The Manager will apply an equivalent waiver or reimbursement, in an equal number of basis points waived for Class A Shares. Class C: The Manager will apply an equivalent waiver or reimbursement, in an equal number of basis points waived for Class A Shares. Class I: The Manager will apply an equivalent waiver or reimbursement, in an equal number of basis points waived for Class A Shares. Investor Class: The Manager will apply an equivalent waiver or reimbursement, in an equal number of basis points waived for Class A Shares. Class R6: 0.53% MainStay MacKay Intermediate Tax Free Bond Fund Expense Limitation until August 31, 2021: Class A: 0.77% Class C: The Manager will apply an equivalent waiver or reimbursement, in an equal number of basis points waived for Class A Shares. Class I: The Manager will apply an equivalent waiver or reimbursement, in an equal number of basis points waived for Class A Shares. Investor Class: The Manager will apply an equivalent waiver or reimbursement, in an equal number of basis points waived for Class A Shares. Class R6: 0.50%

Investor Class. The Manager will apply an equivalent waiver or reimbursement, in an equal number of basis points waived for Class A Shares. MainStay MacKay Growth Fund Class I: 1.09% MainStay MacKay High Yield Municipal Bond Fund Class A: 0.875% Class C: The Manager will apply an equivalent waiver or reimbursement, in an equal number of basis points waived for Class A Shares. Class I: The Manager will apply an equivalent waiver or reimbursement, in an equal number of basis points waived for Class A Shares. Investor Class: The Manager will apply an equivalent waiver or reimbursement, in an equal number of basis points waived for Class A Shares. MainStay MacKay Infrastructure Bond Fund Expense Limitation until February 28, 2021 Class A: 0.85% Class B: The Manager will apply an equivalent waiver or reimbursement, in an equal number of basis points waived for Class A Shares. Class C: The Manager will apply an equivalent waiver or reimbursement, in an equal number of basis points waived for Class A Shares. Class I: The Manager will apply an equivalent waiver or reimbursement, in an equal number of basis points waived for Class A Shares. Investor Class: The Manager will apply an equivalent waiver or reimbursement, in an equal number of basis points waived for Class A Shares. Class R6: 0.53% MainStay MacKay Intermediate Tax Free Bond Fund Expense Limitation until August 31, 2021: Class A: 0.77% Class C: The Manager will apply an equivalent waiver or reimbursement, in an equal number of basis points waived for Class A Shares. Class I: The Manager will apply an equivalent waiver or reimbursement, in an equal number of basis points waived for Class A Shares. Investor Class: The Manager will apply an equivalent waiver or reimbursement, in an equal number of basis points waived for Class A Shares. Class R6: 0.50%

Investor Class. The Manager will apply an equivalent waiver or reimbursement, in an equal number of basis points waived for Class A Shares. MainStay MacKay Growth Fund Class I: 1.09% MainStay MacKay High Yield Municipal Bond Fund Class A: 0.875% Class C: The Manager will apply an equivalent waiver or reimbursement, in an equal number of basis points waived for Class A Shares. Class I: The Manager will apply an equivalent waiver or reimbursement, in an equal number of basis points waived for Class A Shares. Investor Class: The Manager will apply an equivalent waiver or reimbursement, in an equal number of basis points waived for Class A Shares. MainStay MacKay Infrastructure Bond Fund Expense Limitation until February 28, 2021 Class A: 0.85% Class B: The Manager will apply an equivalent waiver or reimbursement, in an equal number of basis points waived for Class A Shares. Class C: The Manager will apply an equivalent waiver or reimbursement, in an equal number of basis points waived for Class A Shares. Class I: The Manager will apply an equivalent waiver or reimbursement, in an equal number of basis points waived for Class A Shares. Investor Class: The Manager will apply an equivalent waiver or reimbursement, in an equal number of basis points waived for Class A Shares. Class R6: 0.53% MainStay MacKay Intermediate Tax Free Bond Fund Expense Limitation until August 31, 2021: Class A: 0.77% Class C: The Manager will apply an equivalent waiver or reimbursement, in an equal number of basis points waived for Class A Shares. Class I: The Manager will apply an equivalent waiver or reimbursement, in an equal number of basis points waived for Class A Shares. Investor Class: The Manager will apply an equivalent waiver or reimbursement, in an equal number of basis points waived for Class A Shares. Class R6: 0.50%

Investor Class. The Manager will apply an equivalent waiver or reimbursement, in an equal number of basis points waived for Class A Shares. MainStay MacKay Growth Fund Class I: 1.09% MainStay MacKay High Yield Municipal Bond Fund Class A: 0.875% Class C: The Manager will apply an equivalent waiver or reimbursement, in an equal number of basis points waived for Class A Shares. Class I: The Manager will apply an equivalent waiver or reimbursement, in an equal number of basis points waived for Class A Shares. Investor Class: The Manager will apply an equivalent waiver or reimbursement, in an equal number of basis points waived for Class A Shares. MainStay MacKay Infrastructure Bond Fund Expense Limitation until February 28, 2021 Class A: 0.85% Class B: The Manager will apply an equivalent waiver or reimbursement, in an equal number of basis points waived for Class A Shares. Class C: The Manager will apply an equivalent waiver or reimbursement, in an equal number of basis points waived for Class A Shares. Class I: The Manager will apply an equivalent waiver or reimbursement, in an equal number of basis points waived for Class A Shares. Investor Class: The Manager will apply an equivalent waiver or reimbursement, in an equal number of basis points waived for Class A Shares. Class R6: 0.53% MainStay MacKay Intermediate Tax Free Bond Fund Expense Limitation until August 31, 2021: Class A: 0.77% Class C: The Manager will apply an equivalent waiver or reimbursement, in an equal number of basis points waived for Class A Shares. Class I: The Manager will apply an equivalent waiver or reimbursement, in an equal number of basis points waived for Class A Shares. Investor Class: The Manager will apply an equivalent waiver or reimbursement, in an equal number of basis points waived for Class A Shares. Class R6: 0.50%.

Investor Class. The Manager will apply an equivalent waiver or reimbursement, in an equal number of basis points waived for Class A Shares. MainStay MacKay Growth Fund Class I: 1.09% MainStay MacKay High Yield Municipal Bond Fund Class A: 0.875% Class C: The Manager will apply an equivalent waiver or reimbursement, in an equal number of basis points waived for Class A Shares. Class I: The Manager will apply an equivalent waiver or reimbursement, in an equal number of basis points waived for Class A Shares. Investor Class: The Manager will apply an equivalent waiver or reimbursement, in an equal number of basis points waived for Class A Shares. MainStay MacKay Infrastructure Intermediate Tax Free Bond Fund Expense Limitation until February 28August 31, 2021 2021: Class A: 0.77% Class C: The Manager will apply an equivalent waiver or reimbursement, in an equal number of basis points waived for Class A Shares. Class I: The Manager will apply an equivalent waiver or reimbursement, in an equal number of basis points waived for Class A Shares. Investor Class: The Manager will apply an equivalent waiver or reimbursement, in an equal number of basis points waived for Class A Shares. Class R6: 0.50% MainStay MacKay Infrastructure Bond Fund Class A: 0.85% Class B: The Manager will apply an equivalent waiver or reimbursement, in an equal number of basis points waived for Class A Shares. Class C: The Manager will apply an equivalent waiver or reimbursement, in an equal number of basis points waived for Class A Shares. Class I: The Manager will apply an equivalent waiver or reimbursement, in an equal number of basis points waived for Class A Shares. Investor Class: The Manager will apply an equivalent waiver or reimbursement, in an equal number of basis points waived for Class A Shares. Class R6: 0.53% MainStay MacKay Intermediate Tax Free Bond Fund Expense Limitation until August 31, 2021: Class A: 0.77% Class C: The Manager will apply an equivalent waiver or reimbursement, in an equal number of basis points waived for Class A Shares. Class I: The Manager will apply an equivalent waiver or reimbursement, in an equal number of basis points waived for Class A Shares. Investor Class: The Manager will apply an equivalent waiver or reimbursement, in an equal number of basis points waived for Class A Shares. Class R6: 0.50%.

Investor Class. The Manager will apply an equivalent waiver or reimbursement, in an equal number of basis points waived for Class A Shares. MainStay MacKay Growth Fund Class I: 1.09% MainStay MacKay High Yield Municipal Bond Fund Class A: 0.875% Class C: The Manager will apply an equivalent waiver or reimbursement, in an equal number of basis points waived for Class A Shares. Class I: The Manager will apply an equivalent waiver or reimbursement, in an equal number of basis points waived for Class A Shares. Investor Class: The Manager will apply an equivalent waiver or reimbursement, in an equal number of basis points waived for Class A Shares. MainStay MacKay Intermediate Tax Free Bond Fund Class A: 0.77% Class C: The Manager will apply an equivalent waiver or reimbursement, in an equal number of basis points waived for Class A Shares. Class I: The Manager will apply an equivalent waiver or reimbursement, in an equal number of basis points waived for Class A Shares. Investor Class: The Manager will apply an equivalent waiver or reimbursement, in an equal number of basis points waived for Class A Shares. Class R6: 0.50% MainStay MacKay Infrastructure Bond Fund Expense Limitation until February 28, 2021 Class A: 0.85% Class B: The Manager will apply an equivalent waiver or reimbursement, in an equal number of basis points waived for Class A Shares. Class C: The Manager will apply an equivalent waiver or reimbursement, in an equal number of basis points waived for Class A Shares. Class I: The Manager will apply an equivalent waiver or reimbursement, in an equal number of basis points waived for Class A Shares. Investor Class: The Manager will apply an equivalent waiver or reimbursement, in an equal number of basis points waived for Class A Shares. Class R6: 0.53% MainStay MacKay Intermediate Tax Free Bond Fund Expense Limitation until August 31, 2021: Class A: 0.77% Class C: The Manager will apply an equivalent waiver or reimbursement, in an equal number of basis points waived for Class A Shares. Class I: The Manager will apply an equivalent waiver or reimbursement, in an equal number of basis points waived for Class A Shares. Investor Class: The Manager will apply an equivalent waiver or reimbursement, in an equal number of basis points waived for Class A Shares. Class R6: 0.50%.