Blocklisting Interim Review

Name of applicant:

SIG plc

Name of scheme:

The Sheffield Insulations Group plc -

1989 Share Option Scheme

Period of return:

From:

3 August 2011

To:

4 February 2012

Balance of unallotted securities under scheme(s) from previous return:

139,407 Ordinary 10p Shares

Plus: The amount by which the block scheme(s) has been increased since the date of the last return (if any increase has been applied for):

NIL

Less: Number of securities issued/allotted under scheme(s) during period (see LR3.5.7G):

NIL

Equals: Balance under scheme(s) not yet issued/allotted at end of period:

139,407 Ordinary 10p Shares

Name of contact:

Richard Monro

Telephone number of contact:

0114 2856355