CAP.L Regulatory News (CAP)

For filings with the FSA include the annex

For filings with issuer exclude the annex

TR-1: NOTIFICATION OF MAJOR INTEREST IN SHARES

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

CLEAN AIR POWER LIMITED

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 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

X

Other (please specify):

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

Legal & General Group Plc (Group)

Legal & General Investment Management Limited (LGIM)

Legal & General Group Plc (L&G)

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

Legal & General Assurance Society Limited

(LGAS & LGPL)

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

02 DECEMBER 2011

6. Date on which issuer notified:

05 DECEMBER 2011

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

Group (Above 5%)

LGIM (Above 5%)

L&G (Above 3%)

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 voting rights

% of voting rights x

Direct

Indirect xii

Direct

Indirect

Below 3%

L&G

Below 5% LGIM

(As on First notification

under DTR Source Book)

10,000,000

10,000,000

-

7.40%

USD0.001

B: Qualifying Financial Instruments

Resulting situation after the triggering transaction

Exercise/Conversion Period xiv

Type of financialinstrument

Expirationdate xiii

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

Expiration date xvii

Type of financialinstrument

Exercise price

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

10,000,000 (L&G)

10,000,000 (LGIM)

7.40%

7.40%

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

Legal & General Group Plc (Direct and Indirect) (Group) (10,000,000 - 7.40% = Total Position)

Legal & General Investment Management (Holdings) Limited (LGIMH) (Direct and Indirect) (10,000,000 - 7.40% = Total Position)

Legal & General Investment Management Limited (Indirect) (LGIM) (10,000,000 - 7.40% = Total Position

Legal & General Group Plc (Direct) (L&G) (10,000,000 - 7.40%=LGAS, LGPL & PMC)

Legal & General Investment Management (Holdings) Limited Legal & General Insurance Holdings Limited (Direct)

(Direct) (LGIMHD) (LGIH) (9,090,909 - 6.73%=LGAS & LGPL)

Legal & General Assurance (Pensions Management) Limited Legal & General Assurance Society Limited (LGAS

(PMC) LGPL) (9,090,909 - 6.73%=LGAS & LGPL)

Legal & General Pensions Limited (Direct) (LGPL)

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:

Notification using the total voting rights figure of 135,089,619

14. Contact name:

Paul Toon (LGIM)

15. Contact telephone number:

0203 124 3854