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:	Kames Capital
4. Full name of shareholder(s) (if different from 3.):	N/A
5. Date of the transaction and date on which the threshold is crossed or reached:	2 February 2012
6. Date on which issuer notified:	6 February 2012
7. Threshold(s) that is/are crossed or reached:	3%

8. Notified details:

A: Voting rights attached to shares

Class/type of shares if possible using the ISIN CODE

Ordinary GBP 0.001 JE00B3WJHK45

Situation previous to the triggering transaction

Number of Shares	Number of Voting Rights
18,690,058	18,690,058

Resulting situation after the triggering transaction

Number of voting rights

% of voting rights

Number of shares	Direct	Indirect	Direct	Indirect
14,091,080	14,091,080	3,913,169	2.34%	0.65%

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
Contract for Difference	n/a	n/a

Exercise/Conversion period	Number of voting rights instrument refers to
n/a

% of voting rights

Nominal	Delta
0.00%	1

Total (A+B+C)

Number of voting rights	Percentage of voting rights
18,004,249	2.99%

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

Kames Capital:- Kames Capital plc Kames Capital Management Ltd Kames Capital ICVC Kames Capital VCIC

Proxy Voting:

10. Name of the proxy holder:	Kames Capital
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:	None
14. Contact name:	Wendy Dunsmore
15. Contact telephone number:	0131 549 3706

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 [e-mail]
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

### END ###

Provider		Channel		Contact
Tensid Ltd., Switzerland www.tensid.ch		newsbox.ch www.newsbox.ch		Provider/Channel related enquiries [e-mail] [phone]