BLACKROCK FRONTIERS INVESTMENT TRUST PLC: Holding(s) in Company

TR-1(i): NOTIFICATION OF MAJOR INTERESTS IN SHARES

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

BlackRock Frontiers Investment Trust PLC

(2). Reason for the notification (please tick the appropriate box or boxes):

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 acquisition or disposal of instruments with similar economic effect to qualifying financial instruments: ( )

An event changing the breakdown of voting rights: ( )

Other (please specify) : ( )

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

BlackRock, Inc.

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

N/A

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

2 January 2013

(6). Date on which issuer notified:

4 January 2013 (received after close of business)

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

Holding has gone below 22%

(8). Notified details:

A: Voting rights attached to shares (viii, ix)

Class/type of shares (if possible using the ISIN code): Ordinary Shares: GB00B3SXM832

Situation previous to the triggering transaction: Number of Shares: 21,473,572 Number of Voting rights: 21,473,572

Resulting situation after the triggering transaction: Number of shares: N/A Direct: N/A Number of voting rights: Direct (xi): N/A Indirect (xii): 20,246,959

% of voting rights (x): Direct: N/A Indirect: 21.37%

B. Qualifying Financial Instruments

Resulting situation after the triggering transaction:

Type of financial instrument:

Expiration date (xiii):

Exercise/Conversion Period (xiv):

Number of voting rights that may be acquired if the instrument is exercised/ converted:

% of voting rights:

C. Financial Instruments with similar economic effect to Qualifying Financial Instruments xv, xvi

Resulting situation after the triggering transaction:

Type of financial instrument:

Exercise price:

Expiration date (xvii):

Exercise/Conversion period (xviii):

Number of voting rights instrument refers to:

% of voting rights (xix, xx):

Nominal:

Delta:

Total (A + B + C):

Number of voting rights: 20,246,959

% of voting rights: 21.37%

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

BlackRock Investment Management (UK) Limited - 20,246,959 (21.37%)

Proxy Voting:

(10). Name of the proxy holder:

N/A

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

N/A

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

N/A

(13). Additional information:

N/A

(14). Contact name:

Ms S Beynsberger For BlackRock Investment Management (UK) Limited Company Secretary

(15). Contact telephone number:

020 7743 2639

7 January 2013

END

-0- Jan/07/2013 13:43 GMT