Holding(s) in Company

1. Identity of the issuer or the underlying issuerof existing shares to which voting rights areattached: ii

The Henderson Smaller Companies Investment Trust PLC

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

An acquisition or disposal of voting rights

An acquisition or disposal of qualifying 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):

Change of custodian

X

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

Prudential plc group of companies

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

See 9 below

5. Date of the transaction and date onwhich the threshold is crossed orreached: v

03 October 2011

6. Date on which issuer notified:

04 October 2011

7. Threshold(s) that is/are crossed orreached: vi, vii

See item 13

8. Notified details:

A: Voting rights attached to shares viii, ix

Class/type ofshares

if possible usingthe ISIN CODE

Situation previousto the triggeringtransaction

Resulting situation after the triggering transaction

NumberofShares

NumberofVotingRights

Numberof shares

Number of votingrights

% of voting rights x

Direct

Direct xi

Indirect xii

Direct

Indirect

GB0009065060

7,055,301

7,055,301

7,055,301

7,055,301

9.41%

B: Qualifying Financial Instruments

Resulting situation after the triggering transaction

Type of financialinstrument

Expirationdate xiii

Exercise/Conversion Period xiv

Number of votingrights that may beacquired if theinstrument isexercised/ converted.

% of votingrights

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

Resulting situation after the triggering transaction

Type of financialinstrument

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

Percentage of voting rights

7,055,301

9.41%

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

Prudential plc (parent Company) - (Total Notifiable Interest 7,055,301)

Held in:

Holding Voting Rights

PRUCLT HSBC GIS NOM(UK) PAC AC 6,982,359 6,982,359

PRUCLT HSBC GIS NOM(UK) PPL AC 56,442 56,442

STATE STREET NOMS LTD A/C GMIF 16,500 16,500

Chain of Undertaking:

M&G Group Limited (wholly owned subsidiary of Prudential plc) - (Total Interest 7,055,301)

M&G Limited (wholly owned subsidiary of M&G Group Limited) - (Total Interest 7,055,301)

M&G Investment Management Limited (wholly owned subsidiary of M&G Limited) - (Total Interest 7,038,801)

The Prudential Assurance Company Limited (wholly owned subsidiary of Prudential plc) - (Total Interest 7,038,801)

Proxy Voting:

10. Name of the proxy holder:

N/A

11. Number of voting rights proxy holder will ceaseto hold:

N/A

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

N/A

13. Additional information:

Following a change of custodian for a large number of funds managed by M&G, the registration details have changed and are now as detailed in 9 above.. No other material changes have taken place

14. Contact name:

James Todd / Mark Thomas

M&G Investment Management Limited

15. Contact telephone number:

020 7548 2293 / 020 7548 3266