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 | NO |
| An acquisition or disposal of instruments with similar economic effect to qualifying financial instruments | NO |
| An event changing the breakdown of voting rights | NO |
| Other (please specify):______________ | NO |
| 3. Full name of person(s) subject to notification obligation: | Standard Life Investments Ltd |
| 4. Full name of shareholder(s) (if different from 3): | Vidacos Nominees |
| 5. Date of transaction (and date on which the threshold is crossed or reached if different): | 31 August 2010 |
| 6. Date on which issuer notified: | 1 September 2010 |
| 7. Threshold(s) that is/are crossed or reached: | 3% Direct |
8: Notified Details
A: Voting rights attached to shares
| Class/type of shares If possible use ISIN code | Situation previous to the triggering transaction |
| | Number of shares | Number of voting rights |
| JE00B3WJHK45 | 27,679,394 | 27,679,394 |
Resulting situation after the triggering transaction
| Number of shares | Number of voting rights | Percentage of voting rights |
| | Direct | Indirect | Direct | Indirect |
| 27,391,613 | 18,004,609 | 9,387,004 | 2.997% | 1.563% |
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+C)
| Number of voting rights | Percentage of voting rights |
| 27,391,613 | 4.56% |
| 9. Chain of controlled undertakings through which the voting rights and /or the financial instruments are effectively held, if applicable: |
| |
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: | N/A |
| 14 Contact name: | investments_mo@standardlife.com Standard Life Investments Ltd |
| 15. Contact telephone name: | (0131) 245 6565 |
| 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 julie.wilson@informa.com |
| 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 |
| |