Annual Information Update

BLACKROCK COMMODITIES INCOME INVESTMENT TRUST plc

ANNUAL INFORMATION UPDATE


Annual Information Update for the period 21 February 2008 up to and including
20 February 2009.

Pursuant to the requirements of Prospectus Rule 5.2 the following summarises
the information that has been published or made available to the public by the
Company. Please note that some of this information may be out of date.

1. Announcements via a Regulatory Information Service (RIS):

    (RIS Announcements can be viewed at or downloaded via the internet
    from http://dev.investegate.co.uk using EPIC code BRCI.)                

1.1 Net Asset Values:

    As far as possible the Company has announced daily the net asset  
    value per share as at the close of the previous business day.     
 

1.2 Portfolio Update (Performance at month end):


    29 February 2008                                                  
    28 March 2008                                                     
    25 April 2008                                                     
    23 May 2008                                                       
    25 June 2008                                                      
    6 August 2008                                                     
    21 August 2008                                                    
    23 September 2008                                                 
    22 October 2008                                                   
    28 November 2008                                                  
    18 December 2008                                                  
    23 January 2008                                                   

1.3 Holdings in Company:

    3 March 2008                                                      
    17 March 2008                                                     
    1 April 2008                                                      
    1 May 2008                                                        
    2 June 2008                                                       
    13 June 2008                                                      
    1 July 2008                                                       
    4 August 2008                                                     
    6 August 2008                                                     
    2 September 2008                                                  
    4 September 2008                                                  
    2 October 2008                                                    
    3 November 2008                                                   
    21 November 2008                                                  
    3 December 2008                                                   
    17 December 2008                                                  
    5 January 2009                                                    
    3 February 2009                                                   
    12 February 2009                                                  

1.4 Transactions in Own Shares:

    5 March 2008                                                      
    30 October 2008                                                   
    4 November 2008                                                   
    8 January 2009                                                    
    21 January 2009                                                   
    18 February 2009                                                  
    19 February 2009                                                  

1.5 Voting Rights:

    6 March 2008                                                          
    3 November 2008                                                       
    4 November 2008                                                       
    8 January 2009                                                        
    21 January 2009                                                       
    6 February 2009                                                       
    18 February 2009                                                      
    19 February 2009                                                      

1.6 Other Announcements:

    4 March 2008         Top 10 holdings                                  
    18 March 2008        Dividend declaration                             
    18 March 2008        AGM statement                                    
    26 March 2008        Doc Re: Submission of Documents                  
    28 March 2008        Interim management statement                     
    2 April 2008         21.20 announcement                               
    21 April 2008        Result of General Meeting                        
    28 April 2008        Change of name                                   
    2 May 2008           Blocklisting review                              
    2 May 2008           21.20 announcement                               
    4 June 2008          Compliance with model code                       
    6 June 2008          21.20 announcement                               
    18 June 2008         Dividend declaration                             
    20 June 2008         Tender offer                                     
    10 July 2008         Half yearly report                               
    25 July 2008         Directorate change                               
    16 September 2008    Dividend declaration                             
    18 September 2008    Interim management statement                     
    14 October 2008      Director/PDMR shareholding                       
    15 October 2008      Director/PDMR shareholding                       
    17 October 2008      Director/PDMR shareholding                       
    31 October 2008      Blocklisting review                              
    1 December 2008      Compliance with model code                       
    12 December 2008     Price monitoring extension (RIS)                 
    12 December 2008     Second price monitoring extension (RIS)          
    16 December 2008     Dividend declaration                             
    17 December 2008     Statement Re: Corporate Broker                   
    5 January 2009       Tender offer                                     
    22 January 2009      Final results                                    
    22 January 2009      Directorate change                               
    29 January 2009      Doc Re: Submission of documents                  

2. Documents Filed with the Registrar of Companies:

    Date               Form          Description                            
                                                                            
    12 March 2008      AA            Annual accounts                        
    1 April 2008       RES01         AGM resolutions                        
    25 April 2008      CERTNM        Change of Name                         
    6 May 2008         RES01         Alteration to Mem & Arts               
    19 May 2008        MISC          Change to form 169(1B)                 
    19 May 2008        MISC          Change to form 169(1B)                 
    29 May 2008        169A(2)       Form                                   
    8 December 2008    288c          Change to Directors details            
    8 December 2008    363a          Annual return                          
    19 January 2009    MISC          Change to form 169(1B)                 
    19 January 2009    MISC          Change to form 169(1B)                 

3. Printed Publications:

    The Annual Report and Accounts for the year ended 30 November 2008
    and the Half Yearly Report for the six months ended 31 May 2008   
    are available from the Company registered office, c/o of The      
    Company Secretary, BlackRock Commodities Income Investment Trust  
    plc, 33 King William Street, London EC4R 9AS or can be downloaded 
    from www.blackrock.co.uk/its.                                     
 
Other sources of information:

The Company's Ordinary shares are listed on the London Stock Exchange and the
price of these shares is published in the Financial Times and the Times under
`Investment Companies' and in the Daily Telegraph under "Investment Trusts".
The share price is also available on the BlackRock Investment Management (UK)
Limited website at www.blackrock.co.uk/its.

Further information can be obtained from BlackRock Investment Management (UK)
Limited as follows:

    Free investor helpline: 0800 445522                               
    Email address: www.blackrock.co.uk/its.                           

In addition, regular Factsheets on the Company are produced by BlackRock
Investment Management (UK) Limited and can be downloaded from 
www.blackrock.co.uk/its .

BlackRock Investment Management (UK) Limited
Secretary
20 February 2009