UNITED STATES SECURITIES AND EXCHANGE COMMISSION
 WASHINGTON, D.C. 20549
 
 FORM 10-K
 ☒ Annual Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934☐ Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 
 For the fiscal year ended:
    
    Commission file number:December 31, 2021
    
    001-16669
 MERRILL LYNCH DEPOSITOR, INC.
   DELAWARE (State or other  jurisdiction of  incorporation)
    
    13-3891329 (I. R. S. Employer Identification No.)
 ONE BRYANT PARK, 4th FL  NEW YORK, NEW YORK (Address of principal  executive offices)
    
    10036 (Zip Code)
 
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 Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant
to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant
was required to submit such files). o o
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 If an emerging growth company, indicate by check mark if the registrant
has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant
to Section 13(a) of the Exchange Act. o
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    Not Applicable. DOCUMENTS INCORPORATED BY REFERENCE


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TABLE OF CONTENTS
 PART I ITEM 1. BUSINESS ITEM 1A. RISK FACTORS ITEM 1B. UNRESOLVED STAFF COMMENTS ITEM 2. PROPERTIES ITEM 3. LEGAL PROCEEDINGS ITEM 4. MINE SAFETY DISCLOSURES PART II ITEM 5. MARKET FOR REGISTRANTS COMMON EQUITY, RELATED STOCKHOLDER
MATTERS AND ISSUER PURCHASES OF EQUITY SECURITIES ITEM 6. SELECTED FINANCIAL DATA ITEM 7. MANAGEMENTS DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION
AND RESULTS OF OPERATIONS ITEM 7A. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK ITEM 8. FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA 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 PART III ITEM 10. DIRECTORS, EXECUTIVE OFFICERS AND CORPORATE GOVERNANCE ITEM 11. EXECUTIVE COMPENSATION 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 EX-31.1: CERTIFICATION EX-99.1: TRUSTEE'S ANNUAL COMPLIANCE CERTIFICATE EX-99.2: REPORT OF PRICEWATERHOUSECOOPERS LLP EX-99.3: REPORT OF KPMG LLP  
 
 
  
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THE UNDERLYING SECURITIES ISSUER HAS FILED FOR BANKRUPTCY. NO FURTHER
PAYMENTS WILL BE MADE ON THE TRUST CERTIFICATES. On April 14, 2020, Frontier Communications Corporation, the issuer
of the Underlying Securities, and certain of its direct and indirect subsidiaries filed a Chapter 11 voluntary petition in the United
States Bankruptcy Court for the Southern District of New York. This filing resulted in an acceleration of the Underlying Securities. As
a result of such event, The Bank of New York Mellon, as Trustee for the Trust was directed under Section 3.04 of the Standard Terms and
the definition of Distribution Election under the Series Supplement to distribute the principal amount of Underlying Securities pro rata
to the Certificateholders. On May 11, 2020, the Trustee began making distributions of the Underlying Securities upon presentation of the
Certificates for cancellation. The Trust will terminate following the distribution of all Underlying Securities. As of this date, the
distributions are still ongoing and the Trust has not yet been terminated. For more information regarding this matter or for how to surrender
your Certificates, please see: ·
    Current report on Form 8-K filed by the Depositor with the SEC on April 1, 2020 ·
    Current report on Form 8-K filed by the Depositor with the SEC on April 17, 2020 ·
    Current report on Form 8-K filed by the Depositor with the SEC on May 7, 2020 ·
    Notification filed by New York Stock Exchange LLC on Form 25 with the SEC to report the removal of the Trust Certificates from listing
        on May 15, 2020  3


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(a)
    
    Securities Authorized For Issuance Under Equity Compensation Plans: None.(b)
    
    Security Ownership Of Certain Beneficial Owners: None.(c)
    
    Security Ownership Of Management: Not Applicable.(d)
    
    Changes In Control: None.
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4.1.
    
    For
        a description of the securities of the PreferredPLUS Trust Series CZN-1, see Prospectus Supplement (To Prospectus dated September 9, 1999)
        dated as of August 24, 2001 filed by the Depositor with the SEC on August 28, 2001 and incorporated here by reference.31.1.
    
    Certification of the President of Registrant dated March 28, 2022, 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 year ended December 31, 2021.99.1.
    
    Trustees Annual Compliance Certificate dated February 22, 2022.99.2.
    
    Report of PricewaterhouseCoopers LLP, Independent Accountants, dated March 8, 2022, Registrants Assertion
        on Compliance with PPLUS Minimum Servicing Standards dated March 8, 2022 and PPLUS Minimum Servicing Standards.99.3.
    
    Report of KPMG LLP, Independent Registered Public Accounting Firm, dated February 23, 2022, The Bank
    of New York Mellons Assertion on Compliance with PPLUS Minimum Servicing Standards dated February 23, 2022 and PPLUS
    Minimum Servicing Standards.99.4
    
    Press release issued by The Bank of New York Mellon, as Trustee for the Trust regarding the bankruptcy filing by Frontier Communications
Corporation (the “Underlying Securities Issuer”) and the termination of the Trust, filed by the Depositor with the SEC on
Form 8-K on May 7, 2020 and incorporated here by reference.
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MERRILL LYNCH DEPOSITOR, INC.Date: March 28, 2022
    By:
    /s/ Matthew J. NelsonName:
    Matthew J. NelsonTitle:
    President


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