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
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 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
