Datamonitor Acquisition

Informa reached an agreement with Datamonitor plc in May 2007 on the terms of a recommended offer for all of the issued share capital of Datamonitor. The offer was made by Informa Acquisitions Ltd, a subsidiary of Informa plc. Datamonitor shareholders received 650 pence in cash for each Datamonitor share they held, which valued Datamonitor’s fully diluted ordinary share capital at approximately £502 million.

The offer became unconditional on 13 July 2007 and Datamonitor shares were delisted from the London Stock Exchange on 10 August 2007. Informa Acquisitions Ltd acquired 100% of Datamonitor on 31 July 2007.

Proposed Acquisition of Datamonitor

Recommended Offer for Datamonitor Declared Unconditional in All Respects

Delisting of Datamonitor

Completion of Compulsory Acquisition Procedures

Offer Document

Investor Relations Investor Relations Team

+44 (0) 20 7017 5000

or email us at: investorrelations@informa.com

Informa plc Company number 102786, Registered in Jersey, Registered office address: 22 Grenville Street, PO Box 87, St Helier, Jersey, JE4 8PX, Address: Gubelstrasse 11, CH-6300, Zug, Switzerland. Lloyd's is the registered trade mark of the Society incorporated by the Lloyd's Act 1871 by the name of Lloyd's.

Copyright © 2012 Informa plc