Holding(s) in Company

Holding(s) in Company

TR-1: NOTIFICATION OF MAJOR INTEREST IN SHARES

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

Informa Plc

An acquisition or disposal of voting rights

Yes

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):

3. Full name of person(s) subject to the

notification obligation:

Legal & General Group Plc (Group)

Legal & General Investment Management Limited (LGIM)

4. Full name of shareholder(s)

(if different from 3.):

Legal & General Group Plc (L&G)

5. Date of the transaction and date on

which the threshold is crossed or

reached:

21 June 2011

6. Date on which issuer notified:

22 June 2011

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

reached:

Group LGIM (Below 5%)

LGIM (Below 5%)

8. Notified details:

A: Voting rights attached to shares

Class/type of shares

if possible usingthe ISIN CODE

Ordinary GBP 0.001

Situation previous to the triggering transaction

Number of Shares

Number of Voting Rights

30,298,552

As of 28/04/2011

Resulting situation after the triggering transaction

Number of voting rights

% of voting rights

Number of shares

Direct

Indirect

Direct

Indirect

Below 5%

B: Qualifying Financial Instruments

Resulting situation after the triggering transaction

Type of financial instrument

Expiration Date

Exercise/ Conversion Period

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

Resulting situation after the triggering transaction

Type of financial instrument

Exercise price

Expiration date

Exercise/Conversion period

Number of voting rights instrument refers to

% of voting rights

Nominal

Delta

Total (A+B+C)

Number of voting rights

Percentage of voting rights

Below 5%


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

Legal & General Group Plc (Direct and Indirect) (Group) ( Below 5% = Total Position)

Legal & General Investment Management (Holdings) Limited (LGIMH) (Direct and Indirect) ( Below 5% = Total Position)

Legal & General Investment Management Limited (Indirect) (LGIM) ( Below 5% = Total Position)

Legal & General Group Plc (Direct) (L&G) ( 27,314,913 -4.54% = LGAS, LGPL & PMC)

Legal & General Investment Management (Holdings) Limited (Direct) (LGIMHD) (PMC)

Legal & General Insurance Holdings

Limited (Direct) (LGIH)

Legal & General Assurance (Pensions Management) Limited (PMC) (PMC)

Legal & General Assurance Society Limited (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 cease to hold:

N/A

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

N/A

13. Additional information:

Notification using the total voting rights figure of 601,113,429

14. Contact name:

Paul Toon (LGIM)

15. Contact telephone number:

020 3124 3854


Annex: Notification of major interests in shares

A: Identity of the persons or legal entity subject to the notification obligation

Full name

(including legal form of legal entities)

INFORMA PLC

Contact address

(registered office for legal entities)

22 Grenville Street, St Helier, Jersey JE4 8PX

Phone number & email

020 7017 4314

Emily.martin@informa.com

Other useful information

(at least legal representative for legal persons)

Emily Martin

Interim Deputy Company Secretary

B: Identity of the notifier, if applicable

Full name

Contact address

Phone number & email

Other useful information

(e.g. functional relationship with the person or legal entity subject to the notification obligation)

C: Additional information



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