MERRILL LYNCH DEPOSITOR INC INDEXPLUS TRUST SERIES 2003-1

For the period ended Dec 31, 2025. Filed Mar 23, 2026.

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A company's yearly report to the SEC, with audited financial statements. It is the fullest account a company gives of its business, its finances and the risks it sees.

FY2025 · Filed Mar 23, 2026

IPB$24.92+1.3%Stored close · as of Nov 9, 2026

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Contents

Cover page

PART I

ITEM 1. BUSINESS (no text here)

ITEM 1A. RISK FACTORS

ITEM 1B. UNRESOLVED STAFF COMMENTS (no text here)

ITEM 1C. CYBERSECURITY (no text here)

ITEM 2. PROPERTIES ITEM 3. LEGAL PROCEEDINGS

ITEM 4. MINE SAFETY DISCLOSURES (no text here)

PART II

ITEM 5. MARKET FOR REGISTRANT’S COMMON EQUITY, RELATED STOCKHOLDER MATTERS AND ISSUER PURCHASES OF EQUITY SECURITIES

ITEM 6. [RESERVED] (no text here)

ITEM 7. MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS (no text here)

ITEM 7A. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK (no text here)

ITEM 8. FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA (no text here)

ITEM 9. CHANGES IN AND DISAGREEMENTS WITH ACCOUNTANTS ON ACCOUNTING AND FINANCIAL DISCLOSURE ITEM 9A. CONTROLS AND PROCEDURES ITEM 9B. OTHER INFORMATION

ITEM 9C. DISCLOSURE REGARDING FOREIGN JURISDICTIONS THAT PREVENT INSPECTIONS (no text here)

PART III

ITEM 10. DIRECTORS, EXECUTIVE OFFICERS AND CORPORATE GOVERNANCE (no text here)

ITEM 11. EXECUTIVE COMPENSATION (no text here)

ITEM 12. SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT AND RELATED STOCKHOLDER MATTERS ITEM 13. CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS, AND DIRECTOR INDEPENDENCE ITEM 14. PRINCIPAL ACCOUNTING FEES AND SERVICES

PART IV

ITEM 15. EXHIBITS, FINANCIAL STATEMENT SCHEDULES SIGNATURES

Cover page

PART I

ITEM 1. BUSINESS (no text here)

ITEM 1A. RISK FACTORS

ITEM 1B. UNRESOLVED STAFF COMMENTS (no text here)

ITEM 1C. CYBERSECURITY (no text here)

ITEM 2. PROPERTIES ITEM 3. LEGAL PROCEEDINGS

ITEM 4. MINE SAFETY DISCLOSURES (no text here)

PART II

ITEM 5. MARKET FOR REGISTRANT’S COMMON EQUITY, RELATED STOCKHOLDER MATTERS AND ISSUER PURCHASES OF EQUITY SECURITIES

ITEM 6. [RESERVED] (no text here)

ITEM 7. MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS (no text here)

ITEM 7A. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK (no text here)

ITEM 8. FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA (no text here)

ITEM 9. CHANGES IN AND DISAGREEMENTS WITH ACCOUNTANTS ON ACCOUNTING AND FINANCIAL DISCLOSURE ITEM 9A. CONTROLS AND PROCEDURES ITEM 9B. OTHER INFORMATION

ITEM 9C. DISCLOSURE REGARDING FOREIGN JURISDICTIONS THAT PREVENT INSPECTIONS (no text here)

PART III

ITEM 10. DIRECTORS, EXECUTIVE OFFICERS AND CORPORATE GOVERNANCE (no text here)

ITEM 11. EXECUTIVE COMPENSATION (no text here)

PART IV

ITEM 15. EXHIBITS, FINANCIAL STATEMENT SCHEDULES SIGNATURES

ITEM 15. EXHIBITS, FINANCIAL STATEMENT SCHEDULES

ITEM 15. EXHIBIT AND FINANCIAL STATEMENT SCHEDULES

(a)(1) Financial Statements: Not Applicable.

(a)(2) Financial Statement Schedules: Not Applicable.

(a)(3) List of Exhibits

The following exhibits are filed as part of, and incorporated by reference into, this Annual Report on Form 10-K:

4.1	For a description of the securities of the INDEXPLUS Trust Series 2003-1, see Prospectus Supplement (To Prospectus dated October 24, 2002) dated as of December 11, 2003 filed by the Depositor with the SEC on December 15, 2003 and incorporated here by reference.
19.	Insider Trading Policy
31.1.	Certification of the President of Registrant dated March 23, 2026, pursuant to Rules 13a-14 and 15d-14 under the Securities Exchange Act of 1934, as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002, with respect to the Registrant’s Annual Report on Form 10-K for the fiscal year ended December 31, 2025.
97.	Policy Relating to Recovery of Erroneously Awarded Compensation.
99.1.	Trustee’s Annual Compliance Certificate dated February 18, 2026.
99.2.	Report of PricewaterhouseCoopers LLP, Independent Accountants, dated March 9, 2026, Registrant’s Assertion on Compliance with PPLUS Minimum Servicing Standards dated March 9, 2026 and PPLUS Minimum Servicing Standards.
99.3.	Report of KPMG LLP, Independent Accountants, dated February 18, 2026, The Bank of New York Mellon’s Assertion on Compliance with PPLUS Minimum Servicing Standards dated February 18, 2026 and PPLUS Minimum Servicing Standards.

(b) Exhibits

The Registrant hereby files as part of this Annual Report on Form 10-K the exhibits listed in Item 15(a)(3) set forth above.

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