Holding(s) in Company

Holding(s) in Company

TR-1: Notifications of Major Interests in Shares
1. Identity of the issuer or the underlying issuer of existing shares to which voting rights are attached:		Informa plc
2. Reason for notification (yes/no)
An acquisition or disposal of voting rights			Yes
An acquisition or disposal of financial instruments which may result in the acquisition of shares already issued to which voting rights are attached
An event changing the breakdown of voting rights
Other (please specify):______________
3. Full name of person(s) subject to notification obligation:	Legal & General Group Plc (L&G)
4. Full name of shareholder(s) (if different from 3):	Legal & General Assurance (Pensions Management) Limited (PMC) Legal & General Assurance Society Limited (LGAS & LGPL)
5. Date of transaction (and date on which the threshold is crossed or reached if different):	22 September 2009
6. Date on which issuer notified:	23 September 2009
7. Threshold(s) that is/are crossed or reached:	From 7% - 6% (L&G)

8: Notified Details
A: Voting rights attached to shares
Class/type of shares If possible use ISIN code	Situation previous to the triggering transaction		Resulting situation after the triggering transaction
	Number of shares	Number of voting rights	Number of shares	Number of voting rights		Percentage of voting rights
				Direct	Indirect	Direct	Indirect
ORD GBP 0.001	33,622,717	33,622,717	41,264,793	41,264,793		6.88%

B: Financial Instruments
Resulting situation after the triggering transaction
Type of financial instrument	Expiration date	Exercise/ conversion period/date	No. of voting rights that may be acquired (if the instrument exercised/converted)	Percentage of voting rights

Total (A+B)
Number of voting rights	Percentage of voting rights
41,264,793	6.88%

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) (46,026,898 - 7.68% = Total Position) Legal & General Investment Management (Holdings) Limited (LGIMH) (Direct and Indirect) (46,026,898 - 7.68% = Total Position) Legal & General Investment Management Limited (Indirect) (LGIM) (46,026,898 - 7.68% = Total Position) Legal & General Group Plc (Direct) (L&G) (41,264,793 - 6.88% = LGAS, LGPL & PMC)
Legal & General Investment Management (Holdings) Limited (Direct) (LGIMHD) (21,110,515 - 3.52% = PMC) Legal & General Assurance (Pensions Management) Limited (PMC) (21,110,515 - 3.52% = PMC)	Legal & General Insurance Holdings Limited (Direct) (LGIH) (20,154,278 - 3.36% = LGAS & LGPL) Legal & General Assurance Society Limited (LGAS & LGPL) (20,154,278 - 3.36% = LGAS & LGPL) Legal & General Pensions Limited (Direct) (LGPL)

Proxy Voting:
10. Name of 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 599,171,337
14 Contact name:	Helen Lewis (LGIM)
15. Contact:	020 3124 3851

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)	37-41 MORTIMER STREET LONDON, W1T 3JH
Phone number & email	020 7017 4314 [e-mail]
Other useful information (at least legal representative for legal persons)	JULIE WILSON 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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Provider		Channel		Contact
Tensid Ltd., Switzerland www.tensid.ch		newsbox.ch www.newsbox.ch		Provider/Channel related enquiries [e-mail] [phone]+41 41 763 00 50