MMD / NYLI MacKay DefinedTerm Muni Opportunities Fund - Документы SEC, Годовой отчет, Доверенное заявление

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 14A INFORMATION PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 14A INFORMATION PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 Filed by the Registrant ☒        Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☒ Definitive Proxy Statement ☐ Definitive Additional Materials ☐ Soliciting Material Pursuant to Rule 14a-12 NYLI MACKAY DEFINEDTERM MUNI OPPORTUNITIES FUND (Name of Registrant as Specified in its Charter) (Name of Person(s) Filing Proxy Statement, if other than the Registrant) Payment of filing fee (Check the appropriate box): ☒ No fee required.

AMENDED AND RESTATED AGREEMENT AND DECLARATION OF TRUST NYLI MacKay DefinedTerm Muni Opportunities Fund (a Delaware Statutory Trust) Dated as of December 3, 2024 TABLE OF CONTENTS Page ARTICLE I Name and Definitions 1 Section 1. Name 1 Section 2. Def

AMENDED AND RESTATED AGREEMENT AND DECLARATION OF TRUST of NYLI MacKay DefinedTerm Muni Opportunities Fund (a Delaware Statutory Trust) Dated as of December 3, 2024 TABLE OF CONTENTS Page ARTICLE I Name and Definitions 1 Section 1.

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 3, 2024 NYLI MACKAY DEFINEDTERM MUNI OPPORTUNITIES FUND (Exact name of Registrant as specified in its charter) Delaware 811-22551 45-1681733 (State or other jurisdiction of i

Calculation of Filing Fee Tables SC TO-I (Form Type) NYLI MacKay DefinedTerm Muni Opportunities Fund (Exact Name of Registrant as Specified in its Charter) Table 1 – Transaction Valuation Transaction Valuation Fee Rate Amount of Filing Fee Fees to Be

Calculation of Filing Fee Tables SC TO-I (Form Type) NYLI MacKay DefinedTerm Muni Opportunities Fund (Exact Name of Registrant as Specified in its Charter) Table 1 – Transaction Valuation Transaction Valuation Fee Rate Amount of Filing Fee Fees to Be Paid —  —  —  Fees Previously Paid $475,393,095.

AS FILED WITH THE SECURITIES AND EXCHANGE COMMISSION ON NOVEMBER 19, 2024 UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE TO ISSUER TENDER OFFER STATEMENT UNDER SECTION 13(e)(1) OF THE SECURITIES EXCHANGE ACT OF 1934

AS FILED WITH THE SECURITIES AND EXCHANGE COMMISSION ON NOVEMBER 19, 2024 UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.

NYLI MacKay DefinedTerm Muni Opportunities Fund Announces Final Results of Tender Offer

NYLI MacKay DefinedTerm Muni Opportunities Fund Announces Final Results of Tender Offer NEW YORK, Nov.

NYLI MacKay DefinedTerm Muni Opportunities Fund Announces Preliminary Results of Tender Offer

Exhibit 99A6 NYLI MacKay DefinedTerm Muni Opportunities Fund Announces Preliminary Results of Tender Offer NEW YORK, Nov.

AS FILED WITH THE SECURITIES AND EXCHANGE COMMISSION ON NOVEMBER 15, 2024 UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE TO ISSUER TENDER OFFER STATEMENT UNDER SECTION 13(e)(1) OF THE SECURITIES EXCHANGE ACT OF 1934

AS FILED WITH THE SECURITIES AND EXCHANGE COMMISSION ON NOVEMBER 15, 2024 UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.

Calculation of Filing Fee Tables SC TO-I (Form Type) NYLI MacKay DefinedTerm Muni Opportunities Fund (Exact Name of Registrant as Specified in its Charter) Table 1 – Transaction Valuation Transaction Valuation Fee Rate Amount of Filing Fee Fees to Be

Calculation of Filing Fee Tables SC TO-I (Form Type) NYLI MacKay DefinedTerm Muni Opportunities Fund (Exact Name of Registrant as Specified in its Charter) Table 1 – Transaction Valuation Transaction Valuation Fee Rate Amount of Filing Fee Fees to Be Paid —  —  —  Fees Previously Paid $475,393,095.

OFFER BY NYLI MACKAY DEFINEDTERM MUNI OPPORTUNITIES FUND TO PURCHASE FOR CASH UP TO 100% OF ITS ISSUED AND OUTSTANDING COMMON SHARES OF BENEFICIAL INTEREST AT 100% OF NET ASSET VALUE PER SHARE THE OFFER AND WITHDRAWAL RIGHTS WILL EXPIRE AT 5:00 P.M.,

Ex-(a)(1)(iii) OFFER BY NYLI MACKAY DEFINEDTERM MUNI OPPORTUNITIES FUND TO PURCHASE FOR CASH UP TO 100% OF ITS ISSUED AND OUTSTANDING COMMON SHARES OF BENEFICIAL INTEREST AT 100% OF NET ASSET VALUE PER SHARE THE OFFER AND WITHDRAWAL RIGHTS WILL EXPIRE AT 5:00 P.

NOTICE OF GUARANTEED DELIVERY FOR TENDER OF COMMON SHARES OF BENEFICIAL INTEREST OF NYLI MACKAY DEFINEDTERM MUNI OPPORTUNITIES FUND

Ex-(a)(1)(v) NOTICE OF GUARANTEED DELIVERY FOR TENDER OF COMMON SHARES OF BENEFICIAL INTEREST OF NYLI MACKAY DEFINEDTERM MUNI OPPORTUNITIES FUND This form, or one substantially equivalent hereto, must be used to accept the Offer (as defined below) if time will not permit the Letter of Transmittal and other required documents to be delivered to the Depositary on or before 5:00 p.

MAINSTAY DEFINEDTERM MUNICIPAL OPPORTUNITIES FUND MANAGEMENT AGREEMENT

Ex-(d)(1) MAINSTAY DEFINEDTERM MUNICIPAL OPPORTUNITIES FUND MANAGEMENT AGREEMENT This Management Agreement is hereby made as of the 26th day of June, 2012 (the “Agreement”) between MainStay DefinedTerm Municipal Opportunities Fund, a Delaware statutory trust (the “Fund”) and New York Life Investment Management LLC, a Delaware limited liability company (“NYLIM” or the “Manager”).

Computershare PO Box 43078 Providence, RI 02940-3078 www.computershare.com/investor Name Address City, State, Zip Holder Account Number Company Name Use black ink. Print in CAPITAL letters inside the grey areas as shown in this example. A B C 1 2 3 X

Ex-(a)(1)(ii) NYLI MacKay DefinedTerm Muni Opportunities Fund MR A SAMPLE DESIGNATION (IF ANY) ADD 1 ADD 2 ADD 3 ADD 4 ADD 5 ADD 6 C 1234567890   MMD Tax ID certification on file: TOTAL SHARES 1234567890 LETTER OF TRANSMITTAL TO TENDER SHARES OF NYLI MACKAY DEFINEDTERM MUNI OPPORTUNITIES FUND Pursuant to the Offer to Purchase dated October 17, 2024, NYLI MacKay DefinedTerm Muni Opportunities Fund (the “Fund”) has offered to purchase up to 100% of its common shares.

MAINSTAY DEFINEDTERM MUNICIPAL OPPORTUNITIES FUND SUBADVISORY AGREEMENT

Ex-(d)(3) MAINSTAY DEFINEDTERM MUNICIPAL OPPORTUNITIES FUND SUBADVISORY AGREEMENT This Subadvisory Agreement, made as of the 26th day of June, 2012 (the “Agreement”), between New York Life Investment Management LLC, a Delaware limited liability company (the “Manager”) and MacKay Shields LLC, a Delaware limited liability company (the “Subadvisor”).

NYLI MACKAY DEFINEDTERM MUNI OPPORTUNITIES FUND OFFER TO PURCHASE FOR CASH UP TO 100% OF THE ISSUED AND OUTSTANDING COMMON SHARES OF BENEFICIAL INTEREST AT 100% OF NET ASSET VALUE PER SHARE THE OFFER PERIOD AND WITHDRAWAL RIGHTS WILL EXPIRE AT 5:00 P

Ex-(a)(1)(iv) NYLI MACKAY DEFINEDTERM MUNI OPPORTUNITIES FUND OFFER TO PURCHASE FOR CASH UP TO 100% OF THE ISSUED AND OUTSTANDING COMMON SHARES OF BENEFICIAL INTEREST AT 100% OF NET ASSET VALUE PER SHARE THE OFFER PERIOD AND WITHDRAWAL RIGHTS WILL EXPIRE AT 5:00 P.

MAINSTAY DEFINEDTERM MUNICIPAL OPPORTUNITIES FUND AMENDMENT TO THE MANAGEMENT AGREEMENT

Ex-(d)(2) MAINSTAY DEFINEDTERM MUNICIPAL OPPORTUNITIES FUND AMENDMENT TO THE MANAGEMENT AGREEMENT This Amendment to the Amended and Restated Management Agreement is hereby made as of the 28th day of February, 2018, between MainStay DefinedTerm Municipal Opportunities Fund, a Delaware statutory trust (the “Fund”), and New York Life Investment Management LLC, a Delaware limited liability company (the “Manager”).

MAINSTAY DEFINEDTERM MUNICIPAL OPPORTUNITIES FUND AMENDMENT TO THE SUBADVISORY AGREEMENT

Ex-(d)(4) MAINSTAY DEFINEDTERM MUNICIPAL OPPORTUNITIES FUND AMENDMENT TO THE SUBADVISORY AGREEMENT This Amendment to the Subadvisory Agreement, is made as of the 28th day of February, 2018, between New York Life Investment Management LLC, a Delaware limited liability company (the “Manager”) and MacKay Shields LLC, a Delaware limited liability company (the “Subadvisor”).

Calculation of Filing Fee Tables SC TO-I (Form Type) NYLI MacKay DefinedTerm Muni Opportunities Fund (Exact Name of Registrant as Specified in its Charter) Table 1 – Transaction Valuation  Transaction  Valuation Fee  Rate   Amount of  Filing Fee Fees

Calculation of Filing Fee Tables SC TO-I (Form Type) NYLI MacKay DefinedTerm Muni Opportunities Fund (Exact Name of Registrant as Specified in its Charter) Table 1 – Transaction Valuation  Transaction  Valuation Fee  Rate   Amount of  Filing Fee Fees to Be Paid  $475,393,095.

NYLI MacKay DefinedTerm Muni Opportunities Fund Announces Commencement of Tender Offer

Ex-(a)(5) NYLI MacKay DefinedTerm Muni Opportunities Fund Announces Commencement of Tender Offer NEW YORK, October 17, 2024 – NYLI MacKay DefinedTerm Muni Opportunities Fund (the “Fund”) (NYSE: MMD) today commenced a tender offer.

NYLI MacKay DefinedTerm Muni Opportunities Fund 51 Madison Avenue New York, New York 10010

Table of Contents Ex-(a)(1)(i) NYLI MacKay DefinedTerm Muni Opportunities Fund 51 Madison Avenue New York, New York 10010 Dear Shareholder: NYLI MacKay DefinedTerm Muni Opportunities Fund (the “Fund”) is a term fund that is scheduled to terminate on December 31, 2024.

AS FILED WITH THE SECURITIES AND EXCHANGE COMMISSION ON October 17, 2024 UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE TO ISSUER TENDER OFFER STATEMENT UNDER SECTION 13(e)(1) OF THE SECURITIES EXCHANGE ACT OF 1934 N

NYLI MacKay DefinedTerm Muni Opportunities Fund AS FILED WITH THE SECURITIES AND EXCHANGE COMMISSION ON October 17, 2024 UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 14A INFORMATION PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 14A INFORMATION PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☒ Definitive Proxy Statement ☐ Definitive Additional Materials ☐ Soliciting Material Pursuant to Rule 14a-12 MAINSTAY MACKAY DEFINEDTERM MUNICIPAL OPPORTUNITIES FUND (Name of Registrant as Specified in its Charter) (Name of Person(s) Filing Proxy Statement, if other than the Registrant) Payment of filing fee (Check the appropriate box): ☒ No fee required.

AMENDED AND RESTATED AGREEMENT AND DECLARATION OF TRUST NYLI MacKay DefinedTerm Muni Opportunities Fund (a Delaware Statutory Trust) Dated as of August 28, 2024

EX-3.1 AMENDED AND RESTATED AGREEMENT AND DECLARATION OF TRUST of NYLI MacKay DefinedTerm Muni Opportunities Fund (a Delaware Statutory Trust) Dated as of August 28, 2024 TABLE OF CONTENTS Page ARTICLE I Name and Definitions 1 Section 1. Name 1 Section 2. Definitions 1 ARTICLE II Purpose of Trust 4 ARTICLE III Shares of Beneficial Interest 4 Section 1. Beneficial Interest 4 Section 2. Other Securi

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 25, 2024 MAINSTAY MACKAY DEF

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 25, 2024 MAINSTAY MACKAY DEFINEDTERM MUNICIPAL OPPORTUNITIES FUND (Exact name of Registrant as specified in its charter) Delaware 811-22551 45-1681733 (State or other jurisdictio

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 14A INFORMATION PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 14A INFORMATION PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 Filed by the Registrant x Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) x Definitive Proxy Statement ¨ Definitive Additional Materials ¨ Soliciting Material Pursuant to Rule 14a-12 MAINSTAY MACKAY DEFINEDTERM MUNICIPAL OPPORTUNITIES FUND (Name of Registrant as Specified in its Charter) (Name of Person(s) Filing Proxy Statement, if other than the Registrant) Payment of filing fee (Check the appropriate box): x No fee required.

MainStay MacKay DefinedTerm Municipal Opportunities Fund

NPORT-EX 2 MMD0228.htm MAINSTAY MACKAY DEFINEDTERM MUNICIPAL OPPORTUNITIES FUND 531 MainStay MacKay DefinedTerm Municipal Opportunities Fund Portfolio of Investments February 28, 2023† (Unaudited) Principal Amount Value Municipal Bonds 158.0% Arizona 0.3%  (0.2% of Managed Assets) Industrial Development Authority of the City of Phoenix (The), Espiritu Community Development Corp., Revenue Bonds Ser

MainStay MacKay DefinedTerm Municipal Opportunities Fund

NPORT-EX 2 MMD8.31.htm MMD 8.31.22 MainStay MacKay DefinedTerm Municipal Opportunities Fund Portfolio of Investments August 31, 2022† (Unaudited) Principal Amount Value Municipal Bonds 167.4% Arizona 0.4%  (0.2% of Managed Assets) Industrial Development Authority of the City of Phoenix (The), Espiritu Community Development Corp., Revenue Bonds Series A                        6.25%, due 7/1/36 $   

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 14A INFORMATION PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934

? UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549? SCHEDULE 14A INFORMATION PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934? Filed by the Registrant ? ? Filed by a Party other than the Registrant ? ? Check the appropriate box: ? Preliminary Proxy Statement ? ? Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ? ?

MainStay MacKay DefinedTerm Municipal Opportunities Fund

MainStay MacKay DefinedTerm Municipal Opportunities Fund Portfolio of Investments February 28, 2022† (Unaudited) Principal Amount Value Municipal Bonds 154.

MainStay MacKay DefinedTerm Municipal Opportunities Fund

NPORT-EX 2 MMD8.31.21.htm MMD8.31.21 MainStay MacKay DefinedTerm Municipal Opportunities Fund Portfolio of Investments August 31, 2021† (Unaudited) Principal Amount Value Municipal Bonds 155.0% Arizona 0.3% (0.2% of Managed Assets) Industrial Development Authority of the City of Phoenix (The), Espiritu Community Development Corp. Project, Revenue Bonds Series A                        6.25%, due 7/

MainStay MacKay DefinedTerm Municipal Opportunities Fund 51 Madison Avenue New York, NY 10010

CORRESP 1 filename1.htm MainStay MacKay DefinedTerm Municipal Opportunities Fund 51 Madison Avenue New York, NY 10010 October 8, 2021 VIA EDGAR Mr. John F. Kernan Securities and Exchange Commission Division of Investment Management 100 F Street, N.E. Washington, D.C. 20549 Re: MainStay MacKay DefinedTerm Municipal Opportunities Fund (File No. 811-22551) (the “Fund”) Dear Mr. Kernan: This letter re

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 14A INFORMATION PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934

? UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549? SCHEDULE 14A INFORMATION PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 Filed by the Registrant ? ? Filed by a Party other than the Registrant ? ? Check the appropriate box: ? Preliminary Proxy Statement ? ? Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ? ? D

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 14A INFORMATION PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934

? UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549? SCHEDULE 14A INFORMATION PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 Filed by the Registrant ? ? Filed by a Party other than the Registrant ? ? Check the appropriate box: ? Preliminary Proxy Statement ? ? Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ? ? D

MainStay MacKay DefinedTerm Municipal Opportunities Fund

MainStay MacKay DefinedTerm Municipal Opportunities Fund Portfolio of Investments February 28, 2021† (Unaudited) Principal Amount Value Municipal Bonds 152.

EXHIBIT 1

EXHIBIT 1 AGREEMENT AS TO JOINT FILING OF SCHEDULE 13G Each of the undersigned hereby affirms that it is individually eligible to use Schedule 13G, and agrees that this Schedule 13G is filed on its behalf.

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G* (Rule 13d-102)

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G* (Rule 13d-102) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULES 13d-1(b), (c), AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13d-2 (AMENDMENT NO. 1)* MainStay MacKay DefinedTerm Municipal Opportunities Fund (Name of Issuer) Fixed Rate Municipal Term Preferred Shares, Series B (Title of Class of Securiti

-

MainStay MacKay DefinedTerm Municipal Opportunities Fund Portfolio of Investments August 31, 2020 (Unaudited) Principal Amount Value Municipal Bonds 158.

MainStay MacKay DefinedTerm Municipal Opportunities Fund

MainStay MacKay DefinedTerm Municipal Opportunities Fund Portfolio of Investments August 31, 2020 (Unaudited) Principal Amount Value Municipal Bonds 158.

- DEF14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 14A INFORMATION PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 Filed by the Registrant ☑ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☑ Definitive P

MMD / MainStay DefinedTerm Municipal Opportunities Fund / CITIGROUP INC - SC 13G/A Passive Investment

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G* (Rule 13d-102) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULES 13d-1(b), (c), AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13d-2 (AMENDMENT NO. 1)* MainStay MacKay DefinedTerm Municipal Opportunities Fund (Name of Issuer) Fixed Rate Municipal Term Preferred Shares, Series A (Title of Class of Securiti

EXHIBIT 1

EXHIBIT 1 AGREEMENT AS TO JOINT FILING OF SCHEDULE 13G Each of the undersigned hereby affirms that it is individually eligible to use Schedule 13G, and agrees that this Schedule 13G is filed on its behalf.

“Managed Assets” is defined as the Fund's total assets, minus the sum of its accrued liabilities (other than Fund liabilities incurred for the purpose of creating effective leverage (i.e. tender option bonds) or Fund liabilities related to liquidatio

MainStay MacKay DefinedTerm Municipal Opportunities Fund Portfolio of Investments February 29, 2020 (Unaudited) Principal Amount Value Municipal Bonds 153.

MMD / MainStay DefinedTerm Municipal Opportunities Fund NPORT-EX - -

MainStay MacKay DefinedTerm Municipal Opportunities Fund Portfolio of Investments August 31, 2019 (Unaudited) Principal Amount Value Municipal Bonds 155.

MMD / MainStay DefinedTerm Municipal Opportunities Fund DEF 14A - - DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 14A INFORMATION PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 Filed by the Registrant x Filed by a Party other than the Registrant o Check the appropriate box: o Preliminary Proxy Statement o Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) x Definitive Proxy Statement o Definitive Additional Materials o Soliciting Material Pursuant to Rule 14a-12 MAINSTAY MACKAY DEFINEDTERM MUNICIPAL OPPORTUNITIES FUND (Name of Registrant as Specified in its Charter) (Name of Person(s) Filing Proxy Statement, if other than the Registrant) Payment of filing fee (Check the appropriate box): x No fee required.

CERTIFICATION

[EX-99.CERT] CERTIFICATION I, Kirk C. Lehneis, President and Principal Executive Officer of MainStay MacKay DefinedTerm Municipal Opportunities Fund, certify that: 1. I have reviewed this report on Form N-Q of MainStay MacKay DefinedTerm Municipal Opportunities Fund; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact nece

MMD / MainStay DefinedTerm Municipal Opportunities Fund N-Q (Quarterly Schedule of Portfolio Holdings) N-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANY Investment Company Act file number 811-22551 MainStay MacKay DefinedTerm Municipal Opportunities Fund (Exact name of registrant as specified in charter) 51 Madison Avenue, New York, New York 10010 (Address of principal executive offices) (Zip Code) J.

CERTIFICATION

[EX-99.CERT] CERTIFICATION I, Kirk C. Lehneis, President and Principal Executive Officer of MainStay MacKay DefinedTerm Municipal Opportunities Fund, certify that: 1. I have reviewed this report on Form N-Q of MainStay MacKay DefinedTerm Municipal Opportunities Fund; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact nece

MMD / MainStay DefinedTerm Municipal Opportunities Fund N-Q (Quarterly Schedule of Portfolio Holdings)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANY Investment Company Act file number 811-22551 MainStay MacKay DefinedTerm Municipal Opportunities Fund (Exact name of registrant as specified in charter) 51 Madison Avenue, New York, New York 10010 (Address of principal executive offices) (Zip Code) J.

MMD / MainStay DefinedTerm Municipal Opportunities Fund DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 14A INFORMATION PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 Filed by the Registrant x Filed by a Party other than the Registrant o Check the appropriate box: o Preliminary Proxy Statement o Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) x Definitive Proxy Statement o Definitive Additional Materials o Soliciting Material Pursuant to Rule 14a-12 MAINSTAY MACKAY DEFINEDTERM MUNICIPAL OPPORTUNITIES FUND (Name of Registrant as Specified in its Charter) (Name of Person(s) Filing Proxy Statement, if other than the Registrant) Payment of filing fee (Check the appropriate box): x No fee required.

MMD / MainStay DefinedTerm Municipal Opportunities Fund N-Q (Quarterly Schedule of Portfolio Holdings)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANY Investment Company Act file number 811-22551 MainStay MacKay DefinedTerm Municipal Opportunities Fund (Exact name of registrant as specified in charter) 51 Madison Avenue, New York, New York 10010 (Address of principal executive offices) (Zip Code) J.

CERTIFICATION

EX-99.CERT 2 tv489689ex99-cert.htm EX-99.CERT [EX-99.CERT] CERTIFICATION I, Kirk C. Lehneis, President and Principal Executive Officer of MainStay MacKay DefinedTerm Municipal Opportunities Fund, certify that: 1. I have reviewed this report on Form N-Q of MainStay MacKay DefinedTerm Municipal Opportunities Fund; 2. Based on my knowledge, this report does not contain any untrue statement of a mater

MMD / MainStay DefinedTerm Municipal Opportunities Fund CORRESP

MainStay MacKay DefinedTerm Municipal Opportunities Fund 51 Madison Avenue New York, NY 10010 April 3, 2018 VIA EDGAR Mr.

CERTIFICATION

[EX-99.CERT] CERTIFICATION I, Kirk C. Lehneis, President and Principal Executive Officer of MainStay DefinedTerm Municipal Opportunities Fund, certify that: 1. I have reviewed this report on Form N-Q of MainStay DefinedTerm Municipal Opportunities Fund; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make

Mainstay Definedterm Municipal Opportunities Fund - N-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANY Investment Company Act file number 811-22551 MainStay DefinedTerm Municipal Opportunities Fund (Exact name of registrant as specified in charter) 51 Madison Avenue, New York, New York 10010 (Address of principal executive offices) (Zip Code) J.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 14A INFORMATION PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 MAINSTAY DEFINEDTERM MUNICIPAL OPPORTUNITIES FUND MAINSTAY DEFINEDTERM MUN

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 14A INFORMATION PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 Filed by the Registrant x Filed by a Party other than the Registrant o Check the appropriate box: o Preliminary Proxy Statement o Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) x Definitive Proxy Statement o Definitive Additional Materials o Soliciting Material Pursuant to Rule 14a-12 MAINSTAY DEFINEDTERM MUNICIPAL OPPORTUNITIES FUND (Name of Registrant as Specified in its Charter) (Name of Person(s) Filing Proxy Statement, if other than the Registrant) Payment of filing fee (Check the appropriate box): x No fee required.

Mainstay Definedterm Municipal Opportunities Fund - N-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANY Investment Company Act file number 811-22551 MainStay DefinedTerm Municipal Opportunities Fund (Exact name of registrant as specified in charter) 51 Madison Avenue, New York, New York 10010 (Address of principal executive offices) (Zip Code) J.

CERTIFICATION

EXHIBIT 99.CERT CERTIFICATION I, Stephen P. Fisher, President and Principal Executive Officer of MainStay DefinedTerm Municipal Opportunities Fund, certify that: 1. I have reviewed this report on Form N-Q of MainStay DefinedTerm Municipal Opportunities Fund; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to

CERTIFICATION

[EX-99.CERT] CERTIFICATION I, Stephen P. Fisher, President and Principal Executive Officer of MainStay DefinedTerm Municipal Opportunities Fund, certify that: 1. I have reviewed this report on Form N-Q of MainStay DefinedTerm Municipal Opportunities Fund; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to mak

MainStay DefinedTerm Municipal Opportunities Fund N-Q (Quarterly Schedule of Portfolio Holdings)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANY Investment Company Act file number 811-22551 MainStay DefinedTerm Municipal Opportunities Fund (Exact name of registrant as specified in charter) 51 Madison Avenue, New York, New York 10010 (Address of principal executive offices) (Zip Code) J.

MainStay DefinedTerm Municipal Opportunities Fund DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 14A INFORMATION PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 Filed by the Registrant x Filed by a Party other than the Registrant ? Check the appropriate box: ? Preliminary Proxy Statement ? Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) x Definitive Proxy Statement ? Definitive Additional Materials ? Soliciting Material Pursuant to Rule 14a-12 MAINSTAY DEFINEDTERM MUNICIPAL OPPORTUNITIES FUND (Name of Registrant as Specified in its Charter) (Name of Person(s) Filing Proxy Statement, if other than the Registrant) Payment of filing fee (Check the appropriate box): x No fee required.

CERTIFICATION

EX-99.CERT 2 v435219ex99-cert.htm CERTIFICATIONS Exhibit 99.CERT CERTIFICATION I, Stephen P. Fisher, President and Principal Executive Officer of MainStay DefinedTerm Municipal Opportunities Fund, certify that: 1. I have reviewed this report on Form N-Q of MainStay DefinedTerm Municipal Opportunities Fund; 2. Based on my knowledge, this report does not contain any untrue statement of a material fa

MainStay DefinedTerm Municipal Opportunities Fund N-Q (Quarterly Schedule of Portfolio Holdings)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANY Investment Company Act file number 811-22551 MainStay DefinedTerm Municipal Opportunities Fund (Exact name of registrant as specified in charter) 51 Madison Avenue, New York, New York 10010 (Address of principal executive offices) (Zip Code) J.

CERTIFICATION

CERTIFICATION I, Stephen P. Fisher, President and Principal Executive Officer of MainStay DefinedTerm Municipal Opportunities Fund, certify that: 1. I have reviewed this report on Form N-Q of MainStay DefinedTerm Municipal Opportunities Fund; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the stateme

MainStay DefinedTerm Municipal Opportunities Fund N-Q (Quarterly Schedule of Portfolio Holdings)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANY Investment Company Act file number 811-22551 MainStay DefinedTerm Municipal Opportunities Fund (Exact name of registrant as specified in charter) 51 Madison Avenue, New York, New York 10010 (Address of principal executive offices) (Zip Code) J.

Signature Page

Unassociated Document Signature Page The following form of signature shall follow items 79, 85, 88, 104, 110 or 132 as appropriate.

Form N-SAR Attachment for Item #77C Matters Submitted to a Vote of Security Holders MAINSTAY DEFINEDTERM MUNICIPAL OPPORTUNITIES FUND For Period Ended 5/31/15

Unassociated Document Form N-SAR Attachment for Item #77C Matters Submitted to a Vote of Security Holders MAINSTAY DEFINEDTERM MUNICIPAL OPPORTUNITIES FUND 811-22551 For Period Ended 5/31/15 (a) The date of the meeting and whether it was an annual or special meeting; Pursuant to notice, an annual meeting of shareholders (?Meeting?) of the MainStay DefinedTerm Municipal Opportunities Fund (?Fund?), was held at the offices of New York Life Investment Management, Inc.

FORM N-SAR MAINSTAY DEFINEDTERM MUNICIPAL OPPORTUNITIES FUND For Period Ended 5/31/15 Report of Independent Registered Public Accounting Firm

Unassociated Document FORM N-SAR Exhibit 77b MAINSTAY DEFINEDTERM MUNICIPAL OPPORTUNITIES FUND 811-22551 For Period Ended 5/31/15 Report of Independent Registered Public Accounting Firm To the Board of Trustees and Shareholders of MainStay DefinedTerm Municipal Opportunities Fund: In planning and performing our audit of the financial statements of the MainStay DefinedTerm Municipial Opportunities

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 14A INFORMATION PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 MAINSTAY DEFINEDTERM MUNICIPAL OPPORTUNITIES FUND MAINSTAY DEFINEDTERM MUN

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 14A INFORMATION PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 Filed by the Registrant x Filed by a Party other than the Registrant o Check the appropriate box: o Preliminary Proxy Statement o Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) x Definitive Proxy Statement o Definitive Additional Materials o Soliciting Material Pursuant to Rule 14a-12 MAINSTAY DEFINEDTERM MUNICIPAL OPPORTUNITIES FUND (Name of Registrant as Specified in its Charter) (Name of Person(s) Filing Proxy Statement, if other than the Registrant) Payment of filing fee (Check the appropriate box): x No fee required.

CERTIFICATION

Exhibit 99.CERT CERTIFICATION I, Stephen P. Fisher, President and Principal Executive Officer of MainStay DefinedTerm Municipal Opportunities Fund, certify that: 1. I have reviewed this report on Form N-Q of MainStay DefinedTerm Municipal Opportunities Fund; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to

MainStay DefinedTerm Municipal Opportunities Fund N-Q (Quarterly Schedule of Portfolio Holdings)

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FORM N-SAR MAINSTAY DEFINEDTERM MUNICIPAL OPPORTUNITIES FUND MANAGEMENT AGREEMENT

FORM N-SAR EXHIBITS 77Q1(E) 811-22551 MAINSTAY DEFINEDTERM MUNICIPAL OPPORTUNITIES FUND MANAGEMENT AGREEMENT This Management Agreement is hereby made as of the 26th day of June, 2012 (the “Agreement”) between MainStay DefinedTerm Municipal Opportunities Fund, a Delaware statutory trust (the “Fund”) and New York Life Investment Management LLC, a Delaware limited liability company (“NYLIM” or the “Manager”).

Signature Page

Signature Page The following form of signature shall follow items 79, 85, 88, 104, 110 or 132 as appropriate.

CERTIFICATION

EX-99.CERT 2 v389941ex99-cert.htm EX-99.CERT [EX-99.CERT] CERTIFICATION I, Stephen P. Fisher, President and Principal Executive Officer of MainStay DefinedTerm Municipal Opportunities Fund, certify that: 1. I have reviewed this report on Form N-Q of MainStay DefinedTerm Municipal Opportunities Fund; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or o

Mainstay Definedterm Municipal Opportunities Fund - N-Q

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Signature Page

Signature Page The following form of signature shall follow items 79, 85, 88, 104, 110 or 132 as appropriate.

Report of Independent Registered Public Accounting Firm

Report of Independent Registered Public Accounting Firm To the Board of Trustees and Shareholders of MainStay DefinedTerm Municipal Opportunities Fund: In planning and performing our audit of the financial statements of the MainStay DefinedTerm Municipal Opportunities Fund (hereafter referred to as the “Fund”) as of May 31, 2014 and for the year then ended, in accordance with the standards of the

MMD / MainStay DefinedTerm Municipal Opportunities Fund DEF 14A - - DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 14A INFORMATION PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 Filed by the Registrant x Filed by a Party other than the Registrant o Check the appropriate box: o Preliminary Proxy Statement o Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) x Definitive Proxy Statement o Definitive Additional Materials o Soliciting Material Pursuant to Rule 14a-12 MAINSTAY DEFINEDTERM MUNICIPAL OPPORTUNITIES FUND (Name of Registrant as Specified in its Charter) (Name of Person(s) Filing Proxy Statement, if other than the Registrant) Payment of filing fee (Check the appropriate box): x No fee required.

Quarterly Schedule of Portfolio Holdings - N-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANY Investment Company Act file number 811-22551 MainStay DefinedTerm Municipal Opportunities Fund (Exact name of registrant as specified in charter) 51 Madison Avenue, New York, New York 10010 (Address of principal executive offices) (Zip Code) J.

CERTIFICATION

CERTIFICATION I, Stephen P. Fisher, President and Principal Executive Officer of MainStay DefinedTerm Municipal Opportunities Fund, certify that: 1. I have reviewed this report on Form N-Q of MainStay DefinedTerm Municipal Opportunities Fund; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the stateme

Signature Page

Signature Page The following form of signature shall follow items 79, 85, 88, 104, 110 or 132 as appropriate.

CERTIFICATION

EX-99.CERT 2 v356403ex99-cert.htm EX-99.CERT CERTIFICATION I, Stephen P. Fisher, President and Principal Executive Officer of MainStay DefinedTerm Municipal Opportunities Fund, certify that: 1. I have reviewed this report on Form N-Q of MainStay DefinedTerm Municipal Opportunities Fund; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state

Quarterly Schedule of Portfolio Holdings - N-Q

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Signature Page

Signature Page The following form of signature shall follow items 79, 85, 88, 104, 110 or 132 as appropriate.

FORM N-SAR MAINSTAY DEFINEDTERM MUNICIPAL OPPORTUNITIES FUND For Period Ended 5/31/13 Report of Independent Registered Public Accounting Firm

FORM N-SAR Exhibit 77B MAINSTAY DEFINEDTERM MUNICIPAL OPPORTUNITIES FUND 811-22551 For Period Ended 5/31/13 Report of Independent Registered Public Accounting Firm To the Board of Trustees and Shareholders of MainStay DefinedTerm Municipal Opportunities Fund In planning and performing our audit of the financial statements of the MainStay DefinedTerm Municipal Opportunities Fund (hereafter referred

- SCHEDULE 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 14A INFORMATION PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 Filed by the Registrant x Filed by a Party other than the Registrant o Check the appropriate box: o Preliminary Proxy Statement o Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) x Definitive Proxy Statement o Definitive Additional Materials o Soliciting Material Pursuant to Rule 14a-12 MAINSTAY DEFINEDTERM MUNICIPAL OPPORTUNITIES FUND (Name of Registrant as Specified in its Charter) (Name of Person(s) Filing Proxy Statement, if other than the Registrant) Payment of filing fee (Check the appropriate box): x No fee required.

Quarterly Schedule of Portfolio Holdings - FORM N-Q

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CERTIFICATION

EX-99.CERT 2 v340325ex99-cert.htm EX-99.CERT CERTIFICATION I, Stephen P. Fisher, President and Principal Executive Officer of MainStay DefinedTerm Municipal Opportunities Fund, certify that: 1. I have reviewed this report on Form N-Q of MainStay DefinedTerm Municipal Opportunities Fund; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state

Signature Page

Signature Page The following form of signature shall follow items 79, 85, 88, 104, 110 or 132 as appropriate.

CERTIFICATION

EX-99.CERT 2 v755131ex99-cert.htm EXHIBIT 99.CERT [EX-99.CERT] CERTIFICATION I, Stephen P. Fisher, President and Principal Executive Officer of MainStay DefinedTerm Municipal Opportunities Fund, certify that: 1. I have reviewed this report on Form N-Q of MainStay DefinedTerm Municipal Opportunities Fund; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact

Quarterly Schedule of Portfolio Holdings - N-Q

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As filed with the Securities and Exchange Commission on June 26, 2012 1933 Act File No.

SALES INCENTIVE FEE AGREEMENT

SALES INCENTIVE FEE AGREEMENT Barclays Capital Inc. 200 Park Avenue New York, New York 10166 SALES INCENTIVE FEE AGREEMENT (the “Agreement”), dated as of [—], 2012, between Barclays Capital Inc. (“Barclays”), New York Life Investment Management LLC (the "Manager") and MacKay Shields LLC (the “Advisers,” and together with the Manager, the "Advisers"). WHEREAS, MainStay DefinedTerm Municipal Opportu

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We hereby consent to the use in this Registration Statement on Form N-2 of our report dated May 18, 2012, relating to the financial statements of MainStay DefinedTerm Municipal Opportunities Fund, which appears in such Registration Statement.

1775 I Street, N.W.

1775 I Street, N.W. Washington, DC 20006-2401 +1 202 261 3300 Main +1 202 261 3333 Fax www.dechert.com June 26, 2012 Board of Trustees, MainStay DefinedTerm Municipal Opportunities Fund 51 Madison Avenue New York, NY 10010 Re: MainStay DefinedTerm Municipal Opportunities Fund Ladies and Gentlemen: We have acted as counsel for MainStay DefinedTerm Municipal Opportunities Fund (the “Trust”), a statu

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Global Markets & Investment Banking One Bryant Park – 8th Floor New York, New York 10036 646-855-6780 June 22, 2012 Mary A.

- REGISTRATION STATEMENT

U.S. SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-A FOR REGISTRATION OF CERTAIN CLASSES OF SECURITIES PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 MainStay definedterm Municipal OPPORTUNITiES fund (Exact Name of Registrant as Specified in Declaration of Trust) DELAWARE 45-1681733 (State of Organization) (I.R.S. Employer Identification No.) 51 MADISON

- NOTIFICATION OF REGISTRATION

N-8A/A 1 v309495n8a-a.htm NOTIFICATION OF REGISTRATION UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-8A/A NOTIFICATION OF REGISTRATION FILED PURSUANT TO SECTION 8(a) OF THE INVESTMENT COMPANY ACT OF 1940 The undersigned investment company hereby amends its original Notification of Registration on Form N-8A (File No. 811- 22551) for the purpose of reflecting the cha

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-8A NOTIFICATION OF REGISTRATION FILED PURSUANT TO SECTION 8(a) OF THE INVESTMENT COMPANY ACT OF 1940 The undersigned investment company hereby notifies the Securities and

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-8A NOTIFICATION OF REGISTRATION FILED PURSUANT TO SECTION 8(a) OF THE INVESTMENT COMPANY ACT OF 1940 The undersigned investment company hereby notifies the Securities and Exchange Commission that it registers under and pursuant to the provisions of Section 8(a) of the Investment Company Act of 1940, and in connection wi