Annual Information Update

BLACKROCK COMMODITIES INCOME INVESTMENT TRUST plc

ANNUAL INFORMATION UPDATE

Annual Information Update for the period 21 February 2009 up to and including
25 February 2010.

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 Please note that some of this information may be out of date.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:

24 February 2009  
26 March 2009
1 April 2009
24 April 2009  
21 May 2009
26 June 2009
23 July 2009
24 August 2009
25 September 2009
26 October 2009  
30 November 2009  
23 December 2009  
22 January 2010  
25 February 2010  

1.3 Holdings in Company:

2 March 2009
25 March 2009  
30 March 2009
1 May 2009
26 May 2009
1 June 2009
2 June 2009
1 July 2009
3 August 2009
7 August 2009
2 September 2009
2 October 2009
3 November 2009
3 December 2009
3 December 2009
4 January 2010
2 February 2010

1.4 Other Announcements:

20 February 2009 Annual information update
13 March 2009 Directorate change
13 March 2009 AGM statement
13 March 2009 Interim management statement
13 March 2009 Dividend declaration
23 March 2009 Transaction in own shares
25 March 2009 Total voting rights
15 April 2009 Transaction in own shares
15 April 2009 Total voting rights
16 April 2009 Transaction in own shares
16 April 2009 Total voting rights
29 April 2009 Transaction in own shares
29 April 2009 Total voting rights
1 May 2009 Block listing: interim review
19 May 2009 Transaction in own shares
19 May 2009 Total voting rights
1 June 2009 Compliance with model code
5 June 2009 Transaction in own shares
5 June 2009 Total voting rights
16 June 2009 Dividend declaration
17 June 2009 Tender offer
25 June 2009 Transaction in own shares
25 June 2009 Total voting rights
14 July 2009 Half yearly report
14 July 2009 Transaction in own shares
14 July 2009 Total voting rights
29 July 2009 Doc re: submission of documents
11 September 2009 Dividend declaration
11 September 2009 Interim management statement
20 November 2009 Block listing: interim review
18 December 2009 Dividend declaration
22 December 2009 Tender offer
5 January 2010 Compliance with model code
13 January 2010 Transaction in own shares
13 January 2010 Total voting rights
19 January 2010 Final results
1 February 2010 Doc re: submission of documents

2. Documents Filed with the Registrar of Companies:

Date Form Description
23 February 2009 - 169A(2) - Form
23 February 2009 - 169A(2) - Form
24 March 2009 - RES09/11 - Resolutions
28 March 2009 - 288b - Director resignation
18 May 2009 - 169A(2) - Form
18 May 2009 - 169A(2) - Form
19 May 2009 - 169A(2) - Form
28 May 2009 - 169A(2) - Form
13 July 2009 - 169A(2) - Form
13 July 2009 - 169A(2) - Form
14 September 2009 - 169A(2) - Form
6 October 2009 - AD02 - Form
6 October 2009 - AD03 - Form
30 November 2009 - AR01 - Annual return
2 February 2010 - SH04 - Form

3. Printed Publications:

The Annual Report and Accounts for the year ended 30 November 2009
and the Half Yearly Report for the six months ended 31 May 2009   
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
26 February 2010