Optional Redemption

Invensys PLC
07 February 2008



7 February 2008

Optional Redemption of remaining High Yield Bonds

Invensys plc announces that it is today giving notice to the holders of its
remaining High Yield Bonds that it is exercising its Optional Redemption right
and will redeem all the outstanding Bonds on 17 March 2008.

The remaining High Yield Bonds comprise US$177,092,000 aggregate principal
amount of 9.875% Senior Notes due March 2011 and €345,150,000 aggregate
principal amount of 9.875% Senior Notes due March 2011.  The redemption price
amounts to 104.938% of principal amount, totalling approximately £360 million at
31 December 2007 exchange rates, and will be paid out of existing cash balances.

The Optional Redemption will give rise to a premium of around £17 million which
will be charged as an exceptional finance cost in the Group's 2007/08 Q4
results.  In addition, existing capitalised fees and costs of £6 million will be
written off as an exceptional finance cost in that period.

Contact:
Invensys plc               Steve Devany                        tel: +44 (0) 20 7821 3758
                           Kate Elliott                        tel: +44 (0) 20 7821 2121

Financial Dynamics         Andrew Lorenz
                           Richard Mountain                    tel: +44 (0) 20 7269 7121







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