<PAGE>

                       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): June 15, 2006

                          MERRILL LYNCH DEPOSITOR, INC.
                 (ON BEHALF OF PREFERREDPLUS TRUST SERIES CCR-1)
             (Exact name of registrant as specified in its charter)

           DELAWARE             001-16453                    13-3891329
       (State or other        (Commission                (I. R. S. Employer
       jurisdiction  of        File Number)              Identification No.)
        incorporation)

    WORLD FINANCIAL CENTER,                                     10080
      NEW YORK, NEW YORK                                     (Zip Code)
     (Address of principal
      executive offices)

                           --------------------------

       Registrant's telephone number, including area code: (212) 449-1000

                      INFORMATION TO BE INCLUDED IN REPORT

Check the appropriate box below if the Form 8-K filing is intended to
simultaneously satisfy the filing obligation of the registrant under any of the
following provisions (see General Instruction A.2.):

[  ]  Written communications pursuant to Rule 425 under the Securities Act
      (17 CFR 230.425)

[  ]  Soliciting material pursuant to Rule 14a-12 under the Exchange Act
      (17 CFR 240.14a-12)

[  ]  Pre-commencement communications pursuant to Rule 14d-2(b) under the
      Exchange Act (17 CFR 240.14d-2(b))

[  ]  Pre-commencement communications pursuant to Rule 13e-4(c) under the
      Exchange Act (17 CFR 240.13e-4(c))


<PAGE>


SECTION 1.        REGISTRANT'S BUSINESS AND OPERATIONS

                  Not applicable.

SECTION 2.        FINANCIAL INFORMATION

                  Not applicable.

SECTION 3.        SECURITIES AND TRADING MARKETS

                  Not applicable.

SECTION 4.        MATTERS RELATED TO ACCOUNTANTS AND FINANCIAL STATEMENTS

                  Not applicable.

SECTION 5.        CORPORATE GOVERNANCE AND MANAGEMENT

                  Not applicable.

SECTION 6.        ASSET-BACKED SECURITIES

                  Not Applicable.

SECTION 7.        REGULATION FD

                  Not applicable.

SECTION 8.        OTHER EVENTS

         ITEM 8.01         OTHER EVENTS

                     99.1     Distribution to holders of the PreferredPLUS
                              Trust Certificates CCR-1 on June 15, 2006.

                                    For information with respect to the
                           underlying securities held by PreferredPLUS Trust
                           Series CCR-1, please refer to Countrywide Financial
                           Corp.'s (Commission file number 001-12331-01)
                           periodic reports, including annual reports on Form
                           10-K, quarterly reports on Form 10-Q and current
                           reports on Form 8-K, and other information on file
                           with the Securities and Exchange Commission (the
                           "SEC"). You can read and copy these reports and other
                           information at the public reference facilities
                           maintained by the SEC at Room 1580, 100 F Street, NE,
                           Washington, D.C. 20549. You may obtain copies of this
                           material for a fee by writing to the SEC's Public
                           Reference Section of the SEC at 100 F Street, NE,
                           Washington, D.C. 20549. You may obtain information
                           about the operation of the Public Reference Room by
                           calling the SEC at 1-800-SEC-0330. You can also
                           access some of this information electronically by
                           means of the SEC's website on the Internet at
                           http://www.sec.gov, which contains reports, proxy and
                           information statements and other information that the
                           underlying securities issuer and underlying
                           securities guarantor have filed electronically with
                           the SEC.
<PAGE>

                                    Although we have no reason to believe the
                           information concerning the underlying securities, the
                           junior subordinated debentures, the underlying
                           securities issuer, the junior subordinated debentures
                           issuer or the underlying securities guarantor
                           contained in the underlying securities guarantor's
                           Exchange Act reports is not reliable, neither the
                           depositor nor the trustee participated in the
                           preparation of such documents or made any due
                           diligence inquiry with respect to the information
                           provided therein. No investigation with respect to
                           the underlying securities issuer, the junior
                           subordinated debentures issuer or the underlying
                           securities guarantor (including, without limitation,
                           no investigation as to their respective financial
                           condition or creditworthiness) or of the underlying
                           securities, the junior subordinated debentures or the
                           guarantees has been made. You should obtain and
                           evaluate the same information concerning the
                           underlying securities issuer, the junior subordinated
                           debentures issuer or the underlying securities
                           guarantor as you would obtain and evaluate if you
                           were investing directly in the underlying securities
                           or in other securities issued by the underlying
                           securities issuer or the underlying securities
                           guarantor. There can be no assurance that events
                           affecting the underlying securities, the junior
                           subordinated debentures, the underlying securities
                           issuer, the junior subordinated debentures issuer or
                           the underlying securities guarantor have not occurred
                           or have not yet been publicly disclosed which would
                           affect the accuracy or completeness of the publicly
                           available documents described above.

SECTION 9.        FINANCIAL STATEMENTS AND EXHIBITS

         ITEM 9.01         FINANCIAL STATEMENTS AND EXHIBITS

                  (a)      Financial statements of business acquired.

                           Not Applicable.

                  (b)      Pro forma financial information.

                           Not Applicable.

                  (c)      Shell company transactions.

                           Not applicable.

                   (d)     Exhibits.

                              99.1    Trustee's report in respect of the June
                                      15, 2006 distribution to holders of the
                                      PreferredPLUS Trust Certificates Series
                                      CCR-1.
<PAGE>

                                   SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the
registrant has duly caused this report to be signed on its behalf by the
undersigned, hereunto duly authorized.

                                        MERRILL LYNCH DEPOSITOR, INC.
         Date: 06/28/2006               By:     /s/ Jason Liddell
                                                -----------------------------
                                        Name:   Jason Liddell
                                        Title:  Vice President

<PAGE>

                             EXHIBIT INDEX


99.1     Trustee's report in respect of the June 15, 2006 distribution to
         holders of the PreferredPLUS Trust Series CCR-1.
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{"company-data": {"conformed-name": "MERRILL LYNCH DEPOSITOR INC PREFERREDPLUS TRUST SERIES CCR-1", "cik": "0001138682", "assigned-sic": "6189", "irs-number": "133891329", "state-of-incorporation": "NY", "fiscal-year-end": "1231"}, "filing-values": {"form-type": "8-K", "act": "34", "file-number": "001-16453", "film-number": "06933454"}, "business-address": {"street1": "WORLD FINANCIAL CENTER", "street2": "NORTH TOWER", "city": "NEW YORK", "state": "NY", "zip": "10281", "phone": "2124491000"}}
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): June 15, 2006

                          MERRILL LYNCH DEPOSITOR, INC.
                 (ON BEHALF OF PREFERREDPLUS TRUST SERIES CCR-1)
             (Exact name of registrant as specified in its charter)

           DELAWARE             001-16453                    13-3891329
       (State or other        (Commission                (I. R. S. Employer
       jurisdiction  of        File Number)              Identification No.)
        incorporation)

    WORLD FINANCIAL CENTER,                                     10080
      NEW YORK, NEW YORK                                     (Zip Code)
     (Address of principal
      executive offices)

                           --------------------------

       Registrant's telephone number, including area code: (212) 449-1000

                      INFORMATION TO BE INCLUDED IN REPORT

Check the appropriate box below if the Form 8-K filing is intended to
simultaneously satisfy the filing obligation of the registrant under any of the
following provisions (see General Instruction A.2.):

[  ]  Written communications pursuant to Rule 425 under the Securities Act
      (17 CFR 230.425)

[  ]  Soliciting material pursuant to Rule 14a-12 under the Exchange Act
      (17 CFR 240.14a-12)

[  ]  Pre-commencement communications pursuant to Rule 14d-2(b) under the
      Exchange Act (17 CFR 240.14d-2(b))

[  ]  Pre-commencement communications pursuant to Rule 13e-4(c) under the
      Exchange Act (17 CFR 240.13e-4(c))
SECTION 1.        REGISTRANT'S BUSINESS AND OPERATIONS

                  Not applicable.

SECTION 2.        FINANCIAL INFORMATION

                  Not applicable.

SECTION 3.        SECURITIES AND TRADING MARKETS

                  Not applicable.

SECTION 4.        MATTERS RELATED TO ACCOUNTANTS AND FINANCIAL STATEMENTS

                  Not applicable.

SECTION 5.        CORPORATE GOVERNANCE AND MANAGEMENT

                  Not applicable.

SECTION 6.        ASSET-BACKED SECURITIES

                  Not Applicable.

SECTION 7.        REGULATION FD

                  Not applicable.

SECTION 8.        OTHER EVENTS

         ITEM 8.01         OTHER EVENTS

                     99.1     Distribution to holders of the PreferredPLUS
                              Trust Certificates CCR-1 on June 15, 2006.

                                    For information with respect to the
                           underlying securities held by PreferredPLUS Trust
                           Series CCR-1, please refer to Countrywide Financial
                           Corp.'s (Commission file number 001-12331-01)
                           periodic reports, including annual reports on Form
                           10-K, quarterly reports on Form 10-Q and current
                           reports on Form 8-K, and other information on file
                           with the Securities and Exchange Commission (the
                           "SEC"). You can read and copy these reports and other
                           information at the public reference facilities
                           maintained by the SEC at Room 1580, 100 F Street, NE,
                           Washington, D.C. 20549. You may obtain copies of this
                           material for a fee by writing to the SEC's Public
                           Reference Section of the SEC at 100 F Street, NE,
                           Washington, D.C. 20549. You may obtain information
                           about the operation of the Public Reference Room by
                           calling the SEC at 1-800-SEC-0330. You can also
                           access some of this information electronically by
                           means of the SEC's website on the Internet at
                           http://www.sec.gov, which contains reports, proxy and
                           information statements and other information that the
                           underlying securities issuer and underlying
                           securities guarantor have filed electronically with
                           the SEC.
Although we have no reason to believe the
                           information concerning the underlying securities, the
                           junior subordinated debentures, the underlying
                           securities issuer, the junior subordinated debentures
                           issuer or the underlying securities guarantor
                           contained in the underlying securities guarantor's
                           Exchange Act reports is not reliable, neither the
                           depositor nor the trustee participated in the
                           preparation of such documents or made any due
                           diligence inquiry with respect to the information
                           provided therein. No investigation with respect to
                           the underlying securities issuer, the junior
                           subordinated debentures issuer or the underlying
                           securities guarantor (including, without limitation,
                           no investigation as to their respective financial
                           condition or creditworthiness) or of the underlying
                           securities, the junior subordinated debentures or the
                           guarantees has been made. You should obtain and
                           evaluate the same information concerning the
                           underlying securities issuer, the junior subordinated
                           debentures issuer or the underlying securities
                           guarantor as you would obtain and evaluate if you
                           were investing directly in the underlying securities
                           or in other securities issued by the underlying
                           securities issuer or the underlying securities
                           guarantor. There can be no assurance that events
                           affecting the underlying securities, the junior
                           subordinated debentures, the underlying securities
                           issuer, the junior subordinated debentures issuer or
                           the underlying securities guarantor have not occurred
                           or have not yet been publicly disclosed which would
                           affect the accuracy or completeness of the publicly
                           available documents described above.

SECTION 9.        FINANCIAL STATEMENTS AND EXHIBITS

         ITEM 9.01         FINANCIAL STATEMENTS AND EXHIBITS

                  (a)      Financial statements of business acquired.

                           Not Applicable.

                  (b)      Pro forma financial information.

                           Not Applicable.

                  (c)      Shell company transactions.

                           Not applicable.

                   (d)     Exhibits.

                              99.1    Trustee's report in respect of the June
                                      15, 2006 distribution to holders of the
                                      PreferredPLUS Trust Certificates Series
                                      CCR-1.
SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the
registrant has duly caused this report to be signed on its behalf by the
undersigned, hereunto duly authorized.

                                        MERRILL LYNCH DEPOSITOR, INC.
         Date: 06/28/2006               By:     /s/ Jason Liddell
                                                -----------------------------
                                        Name:   Jason Liddell
                                        Title:  Vice President
EXHIBIT INDEX

99.1     Trustee's report in respect of the June 15, 2006 distribution to
         holders of the PreferredPLUS Trust Series CCR-1.