Share Capital

As at 20 January 2012

Stock Listing

Australian Securities Exchange (ASX): TGS

Toronto Stock Exchange (TSX): TGS

Frankfurt: WKN: A0CAJF, ISIN: AU000000TGS2

Market Capital

at 40 cents per share: $268.44 Million

Outstanding shares as of 20 January 2012

671.11 million

Outstanding options as of 20 January 2012

37.363 million (exercisable between A$0.18 and A$0.54 and expiring between February 1 2012 – July 24 2014).

Major shareholders

Trafigura Beheer B.V; Front Street Capital; Macquarie Bank; Fidelity

Auditors

PriceWaterhouseCoopers Australia