# EDGAR Filing Document

**Accession Number:** 0001864290
**File Stem:** 0000940400-25-002593
**Filing Date:** 2025-9
**Character Count:** 39070
**Document Hash:** 646e9ec05d99fcad3f6a2374789a8728
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000940400-25-002593.hdr.sgml**: 20250926

**ACCESSION NUMBER**: 0000940400-25-002593

**CONFORMED SUBMISSION TYPE**: NPORT-P

**PUBLIC DOCUMENT COUNT**: 2

**CONFORMED PERIOD OF REPORT**: 20250731

**FILED AS OF DATE**: 20250926

**DATE AS OF CHANGE**: 20250926

**PERIOD START**: 20260430

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Pioneer Municipal High Income Opportunities Fund, Inc.
- **CENTRAL INDEX KEY:** 0001864290

**ORGANIZATION NAME:**
- **EIN:** 000000000
- **STATE OF INCORPORATION:** MD
- **FISCAL YEAR END:** 0430

**FILING VALUES:**
- **FORM TYPE:** NPORT-P
- **SEC ACT:** 1940 Act
- **SEC FILE NUMBER:** 811-23699
- **FILM NUMBER:** 251346112

**BUSINESS ADDRESS:**
- **STREET 1:** 60 STATE STREET
- **STREET 2:** 5TH FLOOR
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02109
- **BUSINESS PHONE:** 617-742-7825

**MAIL ADDRESS:**
- **STREET 1:** 60 STATE STREET
- **STREET 2:** 5TH FLOOR
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02109

## Nport-Ex

## Pioneer Municipal High Income Opportunities Fund, Inc.
Schedule of Investments \| July 31, 2025

------

### Schedule of Investments \| 7/31/25
(unaudited)

---

| | | |
|:---|:---|:---|
| &nbsp;&nbsp;**Principal<br> Amount<br> USD ($)** |  | **Value** |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**UNAFFILIATED ISSUERS — 59.3%** |  |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Municipal Bonds — 59.3% of Net Assets(a)** |  |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Alabama — 1.1%** |  |
| 1750000 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Mobile County Industrial Development Authority, Calvert LLC Project, Series A, 5.00%, 6/1/54 | $1577100 |
| 650000 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Mobile County Industrial Development Authority, Calvert LLC Project, Series B, 4.75%, 12/1/54 | &nbsp;&nbsp; 568282 |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Total Alabama** | &nbsp;&nbsp;&nbsp;&nbsp; **$2145382** |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Arkansas — 3.5%** |  |
| 5500000 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Arkansas Development Finance Authority, Big River Steel Project, 4.50%, 9/1/49 (144A) | $5054995 |
| 1750000 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Arkansas Development Finance Authority, Green Bond, 5.45%, 9/1/52 | &nbsp;&nbsp; 1711150 |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Total Arkansas** | &nbsp;&nbsp;&nbsp;&nbsp; **$6766145** |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**California — 4.6%** |  |
| 4,700,000(b) | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;California Infrastructure & Economic Development Bank, Brightline West Passenger Rail Project, Series A, 9.50%, 1/1/65 (144A) | $4183000 |
| 2315000 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;California Statewide Communities Development Authority, Loma Linda University Medical Center, Series A, 5.25%, 12/1/56 (144A) | &nbsp;&nbsp; 2123596 |
| 11,740,000(c) | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Golden State Tobacco Securitization Corp., Series B-2, 6/1/66 | &nbsp;&nbsp; 1116122 |
| 1,400,000(d) | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;State of California, 5.00%, 3/1/32 | &nbsp;&nbsp; 1585472 |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Total California** | &nbsp;&nbsp;&nbsp;&nbsp; **$9008190** |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Colorado — 1.4%** |  |
| 3500000 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Aerotropolis Regional Transportation Authority, 4.375%, 12/1/52 | $2728460 |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Total Colorado** | &nbsp;&nbsp;&nbsp;&nbsp; **$2728460** |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Florida — 1.9%** |  |
| 1335000 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Capital Trust Authority, Imagine School at West Pasco Project, Series A, 5.50%, 12/15/33 (144A) | $1309355 |
| 2000000 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Florida Development Finance Corp., Brightline Florida Passenger Rail Project, 5.50%, 7/1/53 | &nbsp;&nbsp; 1640000 |
| 1,000,000(b) | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Florida Development Finance Corp., Brightline Florida Passenger Rail Project, 14.00%, 7/15/32 (144A) | &nbsp;&nbsp; 730000 |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Total Florida** | &nbsp;&nbsp;&nbsp;&nbsp; **$3679355** |

---

1Pioneer Municipal High Income Opportunities Fund, Inc. \| 7/31/25

------

---

| | | |
|:---|:---|:---|
| &nbsp;&nbsp;**Principal<br> Amount<br> USD ($)** |  | **Value** |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Illinois — 3.9%** |  |
| 9500000 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Metropolitan Pier & Exposition Authority, McCormick Place Expansion, 4.00%, 6/15/50 | $7679135 |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Total Illinois** | &nbsp;&nbsp;&nbsp;&nbsp; **$7679135** |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Indiana — 1.8%** |  |
| 1250000 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Indiana Finance Authority, Marquette Project, Series A, 5.375%, 3/1/55 | $1191475 |
| 2500000 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Indiana Finance Authority, Multipurpose Educational Facilities, Avondale Meadows Academy Project, 5.375%, 7/1/47 | &nbsp;&nbsp; 2313550 |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Total Indiana** | &nbsp;&nbsp;&nbsp;&nbsp; **$3505025** |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Iowa — 0.8%** |  |
| 1700000 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Iowa Finance Authority, Alcoa Inc. Projects, 4.75%, 8/1/42 | $1605735 |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Total Iowa** | &nbsp;&nbsp;&nbsp;&nbsp; **$1605735** |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Louisiana — 1.8%** |  |
| 3445000 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Louisiana Public Facilities Authority, I-10 Calcasieu River Bridge Public-Private Partnership Project, 5.75%, 9/1/64 | $3500809 |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Total Louisiana** | &nbsp;&nbsp;&nbsp;&nbsp; **$3500809** |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Maryland — 0.8%** |  |
| 1,500,000(d) | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;State of Maryland, Series A, 5.00%, 6/1/29 | $1637505 |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Total Maryland** | &nbsp;&nbsp;&nbsp;&nbsp; **$1637505** |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Massachusetts — 2.4%** |  |
| 1,540,000(d) | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Commonwealth of Massachusetts, Series B, 5.00%, 6/1/33 | $1746622 |
| 1,540,000(d) | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Commonwealth of Massachusetts, Series B, 5.00%, 6/1/35 | &nbsp;&nbsp; 1749117 |
| 730000 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Massachusetts Development Finance Agency, Gingercare Living Issue, Series A, 5.50%, 12/1/44 (144A) | &nbsp;&nbsp; 701318 |
| 590000 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Massachusetts Development Finance Agency, Gingercare Living Issue, Series A, 5.875%, 12/1/60 (144A) | &nbsp;&nbsp; 531271 |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Total Massachusetts** | &nbsp;&nbsp;&nbsp;&nbsp; **$4728328** |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Minnesota — 0.7%** |  |
| 1430000 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;City of Rochester, Rochester Math & Science Academy, Series A, 5.125%, 9/1/38 | $1314799 |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Total Minnesota** | &nbsp;&nbsp;&nbsp;&nbsp; **$1314799** |

---

Pioneer Municipal High Income Opportunities Fund, Inc. \| 7/31/252

------

(unaudited) (continued)

---

| | | |
|:---|:---|:---|
| &nbsp;&nbsp;**Principal<br> Amount<br> USD ($)** |  | **Value** |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**New Jersey — 0.8%** |  |
| 960000 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;New Jersey Educational Facilities Authority, Princeton University, Series B, 5.00%, 7/1/31 | $1077552 |
| 425000 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;New Jersey Educational Facilities Authority, Princeton University, Series B, 5.00%, 7/1/32 | &nbsp;&nbsp; 480420 |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Total New Jersey** | &nbsp;&nbsp;&nbsp;&nbsp; **$1557972** |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**New York — 15.1%** |  |
| 5300000 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Chautauqua Tobacco Asset Securitization Corp., 5.00%, 6/1/48 | $4454385 |
| 3505000 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Nassau County Tobacco Settlement Corp., Asset-Backed, Series A-3, 5.00%, 6/1/35 | &nbsp;&nbsp; 3143845 |
| 7915000 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;New York Counties Tobacco Trust IV, Settlement Pass-Through, Series A, 5.00%, 6/1/45 | &nbsp;&nbsp; 6896419 |
| 5000000 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;New York Transportation Development Corp., Series A, 5.25%, 1/1/50 | &nbsp;&nbsp; 4800250 |
| 1280000 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;New York Transportation Development Corp., JFK Airport Terminal 6 Redevelopment Project, Series A, 5.50%, 12/31/60 | &nbsp;&nbsp; 1237760 |
| 900000 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Suffolk Regional Off-Track Betting Co., 6.00%, 12/1/53 | &nbsp;&nbsp; 911115 |
| 9615000 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Westchester County Local Development Corp., Purchase Senior Learning Community, 5.00%, 7/1/56 (144A) | &nbsp;&nbsp; 8160154 |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Total New York** | &nbsp;&nbsp; **$29603928** |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**North Carolina — 0.3%** |  |
| 625,000(b) | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;North Carolina Medical Care Commission, Duke University Health System, Series B, 5.00%, 6/1/55 | $668100 |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Total North Carolina** | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; **$668100** |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Ohio — 1.3%** |  |
| 3125000 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Buckeye Tobacco Settlement Financing Authority, Senior Class 2, Series B-2, 5.00%, 6/1/55 | $2538437 |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Total Ohio** | &nbsp;&nbsp;&nbsp;&nbsp; **$2538437** |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Oklahoma — 0.5%** |  |
| 800000 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Tulsa Municipal Airport Trust Trustees, American Airlines, Inc. Project, 6.25%, 12/1/35 | $879992 |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Total Oklahoma** | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; **$879992** |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Puerto Rico — 9.7%** |  |
| 7,673,960(d) | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Commonwealth of Puerto Rico, Restructured Series A-1, 4.00%, 7/1/37 | $7215901 |
| 1,796,000(d) | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Commonwealth of Puerto Rico, Restructured Series A-1, 4.00%, 7/1/41 | &nbsp;&nbsp; 1564532 |

---

3Pioneer Municipal High Income Opportunities Fund, Inc. \| 7/31/25

------

---

| | | |
|:---|:---|:---|
| &nbsp;&nbsp;**Principal<br> Amount<br> USD ($)** |  | **Value** |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Puerto Rico — (continued)** |  |
| 3,624,000(d) | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Commonwealth of Puerto Rico, Restructured Series A-1, 4.00%, 7/1/46 | $3012486 |
| 1340000 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Puerto Rico Commonwealth Aqueduct & Sewer Authority, Series A, 5.00%, 7/1/47 (144A) | &nbsp;&nbsp; 1255191 |
| 1,252,000(b) | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Puerto Rico Industrial Development Co., 7.00%, 1/1/54 | &nbsp;&nbsp; 1166789 |
| 5103000 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Puerto Rico Sales Tax Financing Corp., Series A-1, 5.00%, 7/1/58 | &nbsp;&nbsp; 4644751 |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Total Puerto Rico** | &nbsp;&nbsp; **$18859650** |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Texas — 3.5%** |  |
| 1635000 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;City of Houston Airport System Revenue, 4.00%, 7/15/41 | $1400165 |
| 2200000 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Greater Texas Cultural Education Facilities Finance Corp., Texas Biomedical Research Institute Project, Series A, 5.25%, 6/1/54 | &nbsp;&nbsp; 2158002 |
| 3500000 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Texas Private Activity Bond Surface Transportation Corp., NTE Mobility Partners Segment 3 LLC Project, 5.00%, 6/30/58 | &nbsp;&nbsp; 3195920 |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Total Texas** | &nbsp;&nbsp;&nbsp;&nbsp; **$6754087** |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Utah — 0.2%** |  |
| 400000 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;MIDA Mountain Village Public Infrastructure District, Series 1, 5.125%, 6/15/54 (144A) | $369860 |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Total Utah** | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; **$369860** |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Virginia — 1.2%** |  |
| 2955000 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Tobacco Settlement Financing Corp., Series A-1, 6.706%, 6/1/46 | $2341453 |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Total Virginia** | &nbsp;&nbsp;&nbsp;&nbsp; **$2341453** |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Washington — 1.1%** |  |
| 755000 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Washington State Housing Finance Commission, Blakeley And Laurel Villages Portfolio, Series A, 5.50%, 7/1/50 (144A) | $733445 |
| 1500000 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Washington State Housing Finance Commission, Blakeley And Laurel Villages Portfolio, Series A, 5.75%, 7/1/60 (144A) | &nbsp;&nbsp; 1499070 |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Total Washington** | &nbsp;&nbsp;&nbsp;&nbsp; **$2232515** |

---

Pioneer Municipal High Income Opportunities Fund, Inc. \| 7/31/254

------

(unaudited) (continued)

---

| | | |
|:---|:---|:---|
| &nbsp;&nbsp;**Principal<br> Amount<br> USD ($)** |  | **Value** |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Wisconsin — 0.9%** |  |
| 1800000 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Public Finance Authority, Senior Lien-Puerto Rico Tollroads LLC, Series A, 5.75%, 7/1/54 | $1806984 |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Total Wisconsin** | &nbsp;&nbsp;&nbsp;&nbsp; **$1806984** |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Total Municipal Bonds<br> (Cost $118,908,410)** | **$115911846** |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**TOTAL INVESTMENTS IN UNAFFILIATED ISSUERS — 59.3%<br> (Cost $118,908,410)** | **$115911846** |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**OTHER ASSETS AND LIABILITIES — 40.7%** | &nbsp;&nbsp; $79612886 |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**net assets — 100.0%** | **$195524732** |

---

(144A) The resale of such security is exempt from registration under Rule 144A of the Securities Act of 1933. Such securities may be resold normally to qualified institutional buyers. At July 31, 2025, the value of
these securities amounted to $26,651,255, or 13.6% of net assets.

(a) Consists of Revenue Bonds unless otherwise indicated.

(b) The interest rate is subject to change periodically. The interest rate and/or reference index and spread shown at July 31, 2025.

(c) Security issued with a zero coupon. Income is recognized through accretion of discount.

(d) Represents a General Obligation Bond.

Various inputs are used in determining the value of the Fund's investments. These inputs are summarized in the three broad levels below.

---

| |
|:---|
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Level 1 – unadjusted quoted prices in active markets for identical securities. |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Level 2 – other significant observable inputs (including quoted prices for similar securities, interest rates, prepayment speeds, credit risks, etc.). |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Level 3 – significant unobservable inputs (including the Adviser's own assumptions in determining fair value of investments). |

---

The following is a summary of the inputs used as of July 31, 2025 in valuing the Fund's investments:

---

| | | | | |
|:---|:---|:---|:---|:---|
|  | **Level 1** | &nbsp;&nbsp;**Level 2** | &nbsp;&nbsp;**Level 3** | &nbsp;&nbsp;**Total** |
| Municipal Bonds | $— | &nbsp;&nbsp;$115911846 | &nbsp;&nbsp;$— | &nbsp;&nbsp;$115911846 |
| **Total Investments in Securities** | **$—** | &nbsp;&nbsp;**$115911846** | &nbsp;&nbsp;**$—** | &nbsp;&nbsp;**$115911846** |

---

During the period ended July 31, 2025, there were no transfers in or out of Level 3.

5Pioneer Municipal High Income Opportunities Fund, Inc. \| 7/31/25

## Form NPORT-P: Monthly Portfolio Investments Report

### NPORT-P: Part A: General Information

**Item A.1. Information about the Registrant.**

- **a. Name of Registrant:** Pioneer Municipal High Income Opportunities Fund, Inc.

- **b. Investment Company Act file number:** 811-23699

- **c. CIK number of Registrant:** 0001864290

- **d. LEI of Registrant:** 5493005BKX8X756MKL25

- **e. Address and telephone number of Registrant.**

  - **Street Address 1:** 60 State Street

  - **City:** Boston

  - **State:** MA

  - **Foreign country:** US

  - **Zip / Postal Code:** 02109

  - **Telephone number:** 617-422-4947

**Item A.2. Information about the Series.**

- **a. Name of Series:** Pioneer Municipal High Income Opportunities Fund, Inc.

- **c. LEI of Series:** 5493005BKX8X756MKL25

**Item A.3. Reporting period.**

- **a. Date of fiscal year-end:** 2026-04-30

- **b. Date as of which information is reported:** 2025-07-31

**Item A.4. Final filing**

Does the Fund anticipate that this will be its final filing on Form N-PORT? **No**

### Fund Information

**Total Assets:** $195824135.92

**Total Liabilities:** $299403.89

**Net Assets:** $195524732.03

**Cash Not Reported:** $78552212.01

**Currency Risk Metrics (dv01):**

- 

**Credit Spread Risk - Investment Grade (dv01):**

- **3-Month:** 0.00000000 | **1-Year:** 0.00000000 | **5-Year:** -3726.00000000 | **10-Year:** -4964.00000000 | **30-Year:** -24245.00000000

**Credit Spread Risk - Non-Investment Grade (dv01):**

- **3-Month:** 0.00000000 | **1-Year:** 0.00000000 | **5-Year:** -3403.00000000 | **10-Year:** -10035.00000000 | **30-Year:** -51477.00000000

**Monthly Return Information**

| Class               | Month 1 Return (%)   | Month 2 Return (%)   | Month 3 Return (%)   |
|:---|:---|:---|:---|
| Class ID C000000000 | -0.72%               | -0.16%               | -3.97%               |

**Monthly Gains & Losses**

| Period   | Net Realized Gain/Loss   | Net Unrealized Appreciation/Depreciation   |
|:---|:---|:---|
| Month 1  | $-810683.13              | $-1342993.18                               |
| Month 2  | $-378942.54              | $-775871.79                                |
| Month 3  | $-4616399.38             | $-4142958.28                               |

### Schedule of Portfolio Investments

| Name                           | Title                                                    | Identifiers                                   | Payoff Profile   | Asset Category   | Issuer Category   | Country   |   Balance | Units   | Value (USD)   | % of Net Assets   | Maturity Date   | Coupon Type   | Annualized Rate (%)   | Restricted?   |   Fair Value Level | Lending Status   |
|:---|:---|:---|:---|:---|:---|:---|---:|:---|:---|:---|:---|:---|:---|:---|---:|:---|
| ARKANSAS ST DEV FIN AUTH INDL  | Arkansas Development Finance Authority                   | CUSIP: 04108WCC4<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |   5500000 | PA      | $5054995.00   | 2.59%             | 2049-09-01      | Fixed         | 4.50%                 | No            |                  2 | On Loan: No      |
| PUBLIC FIN AUTH WI REVENUE     | Public Finance Authority                                 | CUSIP: 74442PF75<br>LEI: 5493004S6D3NA627K012 | Long             | DBT              | MUN               | US        |   1800000 | PA      | $1806984.00   | 0.92%             | 2054-07-01      | Fixed         | 5.75%                 | No            |                  2 | On Loan: No      |
| NASSAU CNTY NY TOBACCO SETTLEM | Nassau County Tobacco Settlement Corp                    | CUSIP: 63166MCA5<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |   3505000 | PA      | $3143844.80   | 1.61%             | 2035-06-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| MASSACHUSETTS ST               | Commonwealth of Massachusetts                            | CUSIP: 57582TDG4<br>LEI: 5493001N1YCXNI1O7K10 | Long             | DBT              | MUN               | US        |   1540000 | PA      | $1749116.60   | 0.89%             | 2035-06-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| WESTCHESTER CNTY NY LOCAL DEV  | Westchester County Local Development Corp                | CUSIP: 95737TEU6<br>LEI: 549300KOSU8OC75V9238 | Long             | DBT              | MUN               | US        |   9615000 | PA      | $8160154.35   | 4.17%             | 2056-07-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| PUERTO RICO CMWLTH             | Commonwealth of Puerto Rico                              | CUSIP: 74514L3M7<br>LEI: 549300X44HXPLJU48U63 | Long             | DBT              | MUN               | US        |   7673960 | PA      | $7215901.33   | 3.69%             | 2037-07-01      | Fixed         | 4.00%                 | No            |                  2 | On Loan: No      |
| MIDA MOUNTAIN VLG PUBLIC INFRA | Mida Mountain Village Public Infrastructure District     | CUSIP: 59561UAA8<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |    400000 | PA      | $369860.00    | 0.19%             | 2054-06-15      | Fixed         | 5.12%                 | No            |                  2 | On Loan: No      |
| NEW YORK ST TRANSPRTN DEV CORP | New York Transportation Development Corp                 | CUSIP: 650116AV8<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |   5000000 | PA      | $4800250.00   | 2.46%             | 2050-01-01      | Fixed         | 5.25%                 | No            |                  2 | On Loan: No      |
| CALIFORNIA ST INFRASTRUCTURE & | California Infrastructure & Economic Development Bank    | CUSIP: 13034A6B1<br>LEI: 549300C1OG9RDIM8ET06 | Long             | DBT              | MUN               | US        |   4700000 | PA      | $4183000.00   | 2.14%             | 2065-01-01      | Variable      | 9.50%                 | No            |                  2 | On Loan: No      |
| GOLDEN ST TOBACCO SECURITIZATI | Golden State Tobacco Securitization Corp                 | CUSIP: 38122NB84<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |  11740000 | PA      | $1116121.80   | 0.57%             | 2066-06-01      | None          | 0.00%                 | No            |                  2 | On Loan: No      |
| MARYLAND ST                    | State of Maryland                                        | CUSIP: 574193WY0<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |   1500000 | PA      | $1637505.00   | 0.84%             | 2029-06-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| CALIFORNIA ST                  | State of California                                      | CUSIP: 13063ELV6<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |   1400000 | PA      | $1585472.00   | 0.81%             | 2032-03-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| PUERTO RICO SALES TAX FING COR | Puerto Rico Sales Tax Financing Corp Sales Tax Revenue   | CUSIP: 74529JPX7<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |   5103000 | PA      | $4644750.60   | 2.38%             | 2058-07-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| MET PIER & EXPOSITION AUTH IL  | Metropolitan Pier & Exposition Authority                 | CUSIP: 592250DN1<br>LEI: 254900I3VDCQ58UGBR15 | Long             | DBT              | MUN               | US        |   9500000 | PA      | $7679135.00   | 3.93%             | 2050-06-15      | Fixed         | 4.00%                 | No            |                  2 | On Loan: No      |
| HOUSTON TX ARPT SYS REVENUE    | City of Houston TX Airport System Revenue                | CUSIP: 442349GA8<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |   1635000 | PA      | $1400164.95   | 0.72%             | 2041-07-15      | Fixed         | 4.00%                 | No            |                  2 | On Loan: No      |
| AEROTROPOLIS REGL TRANPRTN AUT | Aerotropolis Regional Transportation Authority           | CUSIP: 008051AC8<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |   3500000 | PA      | $2728460.00   | 1.40%             | 2052-12-01      | Fixed         | 4.38%                 | No            |                  2 | On Loan: No      |
| TULSA OK MUNI ARPT TRUST TRUST | Tulsa Municipal Airport Trust Trustees/OK                | CUSIP: 899661EM0<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |    800000 | PA      | $879992.00    | 0.45%             | 2035-12-01      | Fixed         | 6.25%                 | No            |                  2 | On Loan: No      |
| PUERTO RICO CMWLTH AQUEDUCT &  | Puerto Rico Commonwealth Aqueduct & Sewer Authority      | CUSIP: 745160SJ1<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |   1340000 | PA      | $1255191.40   | 0.64%             | 2047-07-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| ROCHESTER MN                   | City of Rochester MN                                     | CUSIP: 77158CAB7<br>LEI: 549300006EX3INSHXA95 | Long             | DBT              | MUN               | US        |   1430000 | PA      | $1314799.20   | 0.67%             | 2038-09-01      | Fixed         | 5.12%                 | No            |                  2 | On Loan: No      |
| NEW JERSEY ST EDUCTNL FACS AUT | New Jersey Educational Facilities Authority              | CUSIP: 646067KM9<br>LEI: 549300UTOO4X537XXG70 | Long             | DBT              | MUN               | US        |    425000 | PA      | $480420.00    | 0.25%             | 2032-07-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| MASSACHUSETTS ST               | Commonwealth of Massachusetts                            | CUSIP: 57582TDE9<br>LEI: 5493001N1YCXNI1O7K10 | Long             | DBT              | MUN               | US        |   1540000 | PA      | $1746621.80   | 0.89%             | 2033-06-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| TEXAS ST PRIV ACTIVITY BOND SU | Texas Private Activity Bond Surface Transportation Corp  | CUSIP: 882667AN8<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |   3500000 | PA      | $3195920.00   | 1.63%             | 2058-06-30      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| FLORIDA ST DEV FIN CORP        | Florida Development Finance Corp                         | CUSIP: 340618DK0<br>LEI: 549300HC854CNBLMWC48 | Long             | DBT              | MUN               | US        |   1000000 | PA      | $730000.00    | 0.37%             | 2032-07-15      | Variable      | 12.00%                | No            |                  2 | On Loan: No      |
| SUFFOLK REGL OFF-TRACK BETTING | Suffolk Regional Off-Track Betting Corp                  | CUSIP: 86480TAC8<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |    900000 | PA      | $911115.00    | 0.47%             | 2053-12-01      | Fixed         | 6.00%                 | No            |                  2 | On Loan: No      |
| PUERTO RICO CMWLTH INDL DEV CO | Puerto Rico Industrial Development Co                    | CUSIP: 745211LM2<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |   1252000 | PA      | $1166788.88   | 0.60%             | 2054-01-01      | Variable      | 7.00%                 | No            |                  2 | On Loan: No      |
| ARKANSAS DEV FIN AUTH ENVIRONM | Arkansas Development Finance Authority                   | CUSIP: 04110FAA3<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |   1750000 | PA      | $1711150.00   | 0.88%             | 2052-09-01      | Fixed         | 5.45%                 | No            |                  2 | On Loan: No      |
| PUERTO RICO CMWLTH             | Commonwealth of Puerto Rico                              | CUSIP: 74514L3N5<br>LEI: 549300X44HXPLJU48U63 | Long             | DBT              | MUN               | US        |   1796000 | PA      | $1564531.52   | 0.80%             | 2041-07-01      | Fixed         | 4.00%                 | No            |                  2 | On Loan: No      |
| WASHINGTON ST HSG FIN COMMISSI | Washington State Housing Finance Commission              | CUSIP: 93978LJP2<br>LEI: 549300YL1HU59NREG764 | Long             | DBT              | MUN               | US        |   1500000 | PA      | $1499070.00   | 0.77%             | 2060-07-01      | Fixed         | 5.75%                 | No            |                  2 | On Loan: No      |
| NEW YORK ST TRANSPRTN DEV CORP | New York Transportation Development Corp                 | CUSIP: 650116HW9<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |   1280000 | PA      | $1237760.00   | 0.63%             | 2060-12-31      | Fixed         | 5.50%                 | No            |                  2 | On Loan: No      |
| MOBILE CNTY AL INDL DEV AUTH S | Mobile County Industrial Development Authority           | CUSIP: 60733UAB7<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |    650000 | PA      | $568282.00    | 0.29%             | 2054-12-01      | Fixed         | 4.75%                 | No            |                  2 | On Loan: No      |
| CALIFORNIA STWD CMNTYS DEV AUT | California Statewide Communities Development Authority   | CUSIP: 13080SML5<br>LEI: 549300KTNI2GCJNX2U48 | Long             | DBT              | MUN               | US        |   2315000 | PA      | $2123595.80   | 1.09%             | 2056-12-01      | Fixed         | 5.25%                 | No            |                  2 | On Loan: No      |
| MASSACHUSETTS ST DEV FIN AGY R | Massachusetts Development Finance Agency                 | CUSIP: 57585BCX4<br>LEI: 549300UZSVMFXJK08K70 | Long             | DBT              | MUN               | US        |    590000 | PA      | $531271.40    | 0.27%             | 2060-12-01      | Fixed         | 5.88%                 | No            |                  2 | On Loan: No      |
| NEW JERSEY ST EDUCTNL FACS AUT | New Jersey Educational Facilities Authority              | CUSIP: 646067KL1<br>LEI: 549300UTOO4X537XXG70 | Long             | DBT              | MUN               | US        |    960000 | PA      | $1077552.00   | 0.55%             | 2031-07-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| NEW YORK CNTYS NY TOBACCO TRUS | New York Counties Tobacco Trust IV                       | CUSIP: 62947YAE1<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |   7915000 | PA      | $6896418.65   | 3.53%             | 2045-06-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| MOBILE CNTY AL INDL DEV AUTH S | Mobile County Industrial Development Authority           | CUSIP: 60733UAA9<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |   1750000 | PA      | $1577100.00   | 0.81%             | 2054-06-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| LOUISIANA PUB FACS AUTH REVENU | Louisiana Public Facilities Authority                    | CUSIP: 546399SZ0<br>LEI: 549300RQIPT5S4P4M065 | Long             | DBT              | MUN               | US        |   3445000 | PA      | $3500809.00   | 1.79%             | 2064-09-01      | Fixed         | 5.75%                 | No            |                  2 | On Loan: No      |
| INDIANA ST FIN AUTH REVENUE    | Indiana Finance Authority                                | CUSIP: 45506DF91<br>LEI: 549300PS0PAS7NDSSI20 | Long             | DBT              | MUN               | US        |   2500000 | PA      | $2313550.00   | 1.18%             | 2047-07-01      | Fixed         | 5.38%                 | No            |                  2 | On Loan: No      |
| PUERTO RICO CMWLTH             | Commonwealth of Puerto Rico                              | CUSIP: 74514L3P0<br>LEI: 549300X44HXPLJU48U63 | Long             | DBT              | MUN               | US        |   3624000 | PA      | $3012486.24   | 1.54%             | 2046-07-01      | Fixed         | 4.00%                 | No            |                  2 | On Loan: No      |
| GREATER TEXAS CULTURAL EDU FAC | Greater Texas Cultural Education Facilities Finance Corp | CUSIP: 39237QBU8<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |   2200000 | PA      | $2158002.00   | 1.10%             | 2054-06-01      | Fixed         | 5.25%                 | No            |                  2 | On Loan: No      |
| BUCKEYE OH TOBACCO SETTLEMENT  | Buckeye Tobacco Settlement Financing Authority           | CUSIP: 118217CZ9<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |   3125000 | PA      | $2538437.50   | 1.30%             | 2055-06-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| CHAUTAUQUA NY TOBACCO ASSET SE | Chautauqua Tobacco Asset Securitization Corp             | CUSIP: 162564BB3<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |   5300000 | PA      | $4454385.00   | 2.28%             | 2048-06-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| INDIANA ST FIN AUTH REVENUE    | Indiana Finance Authority                                | CUSIP: 45506EPA5<br>LEI: 549300PS0PAS7NDSSI20 | Long             | DBT              | MUN               | US        |   1250000 | PA      | $1191475.00   | 0.61%             | 2055-03-01      | Fixed         | 5.38%                 | No            |                  2 | On Loan: No      |
| IOWA ST FIN AUTH MIDWSTRN DISA | Iowa Finance Authority                                   | CUSIP: 46246SAE5<br>LEI: 549300NQVL49BTHOW391 | Long             | DBT              | MUN               | US        |   1700000 | PA      | $1605735.00   | 0.82%             | 2042-08-01      | Fixed         | 4.75%                 | No            |                  2 | On Loan: No      |
| NORTH CAROLINA ST MED CARE COM | North Carolina Medical Care Commission                   | CUSIP: 65821DZV6<br>LEI: 549300FH6KOXGCHQYG81 | Long             | DBT              | MUN               | US        |    625000 | PA      | $668100.00    | 0.34%             | 2055-06-01      | Variable      | 5.00%                 | No            |                  2 | On Loan: No      |
| FLORIDA ST DEV FIN CORP        | Florida Development Finance Corp                         | CUSIP: 340618DT1<br>LEI: 549300HC854CNBLMWC48 | Long             | DBT              | MUN               | US        |   2000000 | PA      | $1640000.00   | 0.84%             | 2053-07-01      | Fixed         | 5.50%                 | No            |                  2 | On Loan: No      |
| WASHINGTON ST HSG FIN COMMISSI | Washington State Housing Finance Commission              | CUSIP: 93978LJM9<br>LEI: 549300YL1HU59NREG764 | Long             | DBT              | MUN               | US        |    755000 | PA      | $733444.75    | 0.38%             | 2050-07-01      | Fixed         | 5.50%                 | No            |                  2 | On Loan: No      |
| CAPITAL TRUST AUTH FL EDUCTNL  | Capital Trust Authority                                  | CUSIP: 14054WAA3<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |   1335000 | PA      | $1309354.65   | 0.67%             | 2033-12-15      | Fixed         | 5.50%                 | No            |                  2 | On Loan: No      |
| TOBACCO SETTLEMENT FING CORP V | Tobacco Settlement Financing Corp/VA                     | CUSIP: 88880NAT6<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |   2955000 | PA      | $2341453.35   | 1.20%             | 2046-06-01      | Fixed         | 6.71%                 | No            |                  2 | On Loan: No      |
| MASSACHUSETTS ST DEV FIN AGY R | Massachusetts Development Finance Agency                 | CUSIP: 57585BCW6<br>LEI: 549300UZSVMFXJK08K70 | Long             | DBT              | MUN               | US        |    730000 | PA      | $701318.30    | 0.36%             | 2044-12-01      | Fixed         | 5.50%                 | No            |                  2 | On Loan: No      |

### Signature

**Date Signed:** 2025-09-24

**Name of Applicant:** Pioneer Municipal High Income Opportunities Fund, Inc.

**Signature:** Carol Trevino

**Name of Signer:** Carol Trevino

**Title:** Treasurer