MAINSTAY FUNDS TRUST AMENDMENT TO THE SUBADVISORY AGREEMENT

Exhibit d3k

MAINSTAY FUNDS TRUST

AMENDMENT TO THE SUBADVISORY AGREEMENT

This Amendment to the Subadvisory Agreement, is effective as of the 1st day of June 2015, between New York Life Investment Management LLC (the “Manager”) and MacKay Xxxxxxx LLC (the “Subadvisor”).

WHEREAS, the Manager and the Subadvisor are parties to a Subadvisory Agreement, dated February 26, 2010, as amended (the “Subadvisory Agreement”); and

WHEREAS, the parties hereby wish to amend the Subadvisory Agreement to revise the name of the MainStay Short Term Bond Fund to “MainStay Tax Advantage Short Term Bond Fund” and to revise the fee schedule.

NOW, THEREFORE, the parties agree as follows:

(i) Effective June 1, 2015, Schedule A is hereby amended by deleting it in its entirety and replacing it with the Schedule attached hereto.

[The Remainder Of This Page Has Been Left Blank Intentionally.]

IN WITNESS WHEREOF, the parties have caused this Amendment to be executed by their duly authorized officers and attested effective as of the date first written above.

NEW YORK LIFE INVESTMENT MANAGEMENT LLC

Attest:	/s/ Xxxxxx Xxxxx	By:	/s/ Xxxxxxx X. Xxxxxx
Name:	Xxxxxx Xxxxx	Name:	Xxxxxxx X. Xxxxxx
Title:	Director and Associate General Counsel	Title:	President

MACKAY XXXXXXX LLC

Attest:	/s/ Xxxx X. Xxxxxxxxxx	By:	/s/ Xxxxxxx X. Xxxxxxx
Name:	Xxxx X. Xxxxxxxxxx	Name:	Xxxxxxx X. Xxxxxxx
Title:	Senior Managing Director and Chief Compliance Officer	Title:	Chairman and CEO

SCHEDULE A

(Effective as of June 1, 2015)

As compensation for services provided by the Subadvisor the Manager will pay the Subadvisor and Subadvisor agrees to accept as full compensation for all services rendered hereunder, an annual subadvisory fee equal to the following:

FUND	ANNUAL RATE
MainStay California Tax Free Opportunities Fund*	0.25% on all assets
MainStay High Yield Municipal Bond Fund*	0.275% up to $1 billion; and
	0.27% from $1 billion to $3 billion; and
	0.265% in excess of $3 billion
MainStay High Yield Opportunities Fund*	0.40% up to $3 billion; and
	0.3875% in excess of $3 billion
MainStay New York Tax Free Opportunities Fund*	0.25% on all assets
MainStay Short Duration High Yield Fund*	0.325% on all assets
MainStay Tax Advantaged Short Term Bond Fund*	0.225% on all assets
MainStay Total Return Bond Fund*	0.25% up to $1 billion; and
	0.2375% in excess of $1 billion

The portion of the fee based upon the average daily net assets of the respective Fund shall be accrued daily at the rate of l/(number of days in calendar year) of the annual rate applied to the daily net assets of the Fund.

Payment will be made to the Subadvisor on a monthly basis.

* For certain Funds listed above, the Manager has agreed to waive a portion of the Fund's

management fee or reimburse the expenses of the appropriate class of the Fund so that the class total ordinary operating expenses do not exceed certain amounts. These waivers or expense limitations may be changed with Board approval. To the extent the Manager has agreed to waive its management fee or reimburse expenses, the Subadvisor, upon reasonable prior notice from the Manager, has voluntarily agreed to waive or reimburse its fee in proportion to the percentage of the total subadvisory fee that the Subadvisor earns.