Holding(s) in Company

Merrill Lynch Commodities Income IT
15 March 2007



TR-1: NOTIFICATION OF MAJOR INTERESTS IN SHARES



1. Identity of the issuer or the underlying issuer of existing shares to which
voting rights are attached:



Merrill Lynch Commodities Income Investment Trust plc.................



2. Reason for the notification (please place an X inside the appropriate bracket
/s):



An acquisition or disposal of voting rights: (  x  )



An acquisition or disposal of financial instruments which may result in the
acquisition of shares already issued to which voting rights are attached: (    )



An event changing the breakdown of voting rights: (    )



Other (please specify) : (    )

.................



3. Full name of person(s) subject to the notification obligation:



BlackRock, Inc..................



4. Full name of shareholder(s) (if different from 3.) :

.................



5. Date of the transaction (and date on which the threshold is crossed or
reached if different):



13 March 2007.................



6. Date on which issuer notified:



15 March 2007.................



7. Threshold(s) that is/are crossed or reached:



From 12% to 11%.................



8. Notified details:

.................



A: Voting rights attached to shares


Class/type of shares if possible              Situation previous to the Triggering transaction
using the ISIN CODE
                                  Number of shares                   Number of voting Rights


Ordinary - GB00B0N8MF98           9,215,240                          9,215,240

Resulting situation after the triggering transaction


Class/type of shares if      Number of shares         Number of voting rights           % of voting rights
possible using the ISIN CODE
                             Direct                   Direct       Indirect             Direct      Indirect


Ordinary - GB00B0N8MF98      n/a                      n/a          9,017,234            n/a         11.93%



B: Financial Instruments

Resulting situation after the triggering transaction


Type of         Expiration Date      Exercise/Conversion       Number of voting rights     % of voting rights
financial                            Period/ Date              that may be acquired if the
instrument                                                     instrument is exercised/
                                                               converted.





Total (A+B)
Number of voting rights        % of voting rights


9,017,234                      11.93%



9. Chain of controlled undertakings through which the voting rights and/or the
financial instruments are effectively held, if applicable :



BlackRock Investment Management (UK) Limited - 9,017,234 (11.93%)



Proxy Voting:



10. Name of the proxy holder:

.................



11. Number of voting rights proxy holder will cease to hold:

.................



12. Date on which proxy holder will cease to hold voting rights:

.................



13. Additional information:

.................



14. Contact name:



Barbara Powley.................



15. Contact telephone number:



020 7743 5610.................


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