Additional Listing

ISG plc ("ISG" or "the Company")

Additional Listing

25 April 2013

The Board of ISG, the international construction services group quoted on the Alternative Investment Market, announces that it has approved elections for scrip dividends in respect of 1,065,362 ordinary shares of 1 pence each in the Company (3.19% of the issued share capital) and as a result, the Board of ISG has approved the issue and allotment of 30,714 new ordinary shares of 1 pence each in the Company (0.09% of the issued share capital) at 152.9p per ordinary share. These shares will rank pari passu with all existing shares.

Application will be made for admission of the new ISG shares to trading on the Alternative Investment Market of the London Stock Exchange and dealings are expected to commence on 1 May 2013.

The total number of shares in issue following the above listing will be 33,470,687 with each ordinary share carrying the right to one vote. There are no shares held in treasury.

The total number of voting rights in ISG will therefore be 33,470,687 with effect from 1 May 2013.

Enquiries

ISG plc

Jared Cranney, Company Secretary

Tel: 020 7392 5339

Ends