Holding(s) in Company

Holding(s) in Company

For filings with the FCA include the annex
For filings with issuer exclude the annex
TR-1: NOTIFICATION OF MAJOR INTEREST IN SHARESi

1. Identity of the issuer or the underlying issuer of existing shares to which voting rights are attached: ii		Informa 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 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: iii	Invesco Limited
4. Full name of shareholder(s) (if different from 3.):iv
5. Date of the transaction and date on which the threshold is crossed or reached: v	31 October 2013
6. Date on which issuer notified:	4 November 2013
7. Threshold(s) that is/are crossed or reached: vi, vii	5%

8. Notified details:
A: Voting rights attached to shares viii, ix
Class/type of shares	Situation previous to the triggering transaction		Resulting situation after the triggering transaction
if possible using the ISIN CODE	Number of	Number of	Number of shares	Number of voting rights		% of voting rights x
	Shares	Voting Rights	Direct	Direct xi	Indirect xii	Direct	Indirect
Ordinary 0.01p JE00B3WJHK45				32,885,072			5.45185%

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						Percentage of voting rights
32,885,072						5.45185%

9. Chain of controlled undertakings through which the voting rights and/or the financial instruments are effectively held, if applicable: xxi
Invesco Fund Managers Limited - 8,648,848 Invesco Asset Management Limited - 490,221 Invesco Canada Limited & Invesco Advisers Inc - 2,401,751 Invesco Advisers Inc - 21,083,336 Invesco Powershares Capital Management LLC - 46,403 Invesco GT Management SA Luxembourg & Invesco Advisers Inc - 214,513
Proxy Voting:
10. Name of the proxy holder:
11. Number of voting rights proxy holder will cease to hold:
12. Date on which proxy holder will cease to hold voting rights:
13. Additional information:
14. Contact name:	Tony Perry
15. Contact telephone number:	01491 416394

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)	Lime Grove House, Green Street, St Helier, JE1 2ST
Phone number & email	020 7017 4314 [e-mail]
Other useful information (at least legal representative for legal persons)	Julie Woollard Deputy Company Secretary

B: Identity of the notifier, if applicable
Full name	Invesco Limited
Contact address	Registered Address 30 Finsbury Square London EC2A 1AG
Phone number & email	020 7638 0731
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]