Attached is a Notice of Initial Substantial Holder.

On 11 June 2008, Queensland Gas Company Limited (QGC) advised the ASX that it was a
substantial holder in Roma Petroleum NL. AGL Energy Limited (AGL) holds an interest in
QGC of more than 20%. Therefore, as a result of the operation of sec 608(3)(a) of the
Corporations Act, AGL is deemed to also have a relevant interest in Roma Petroleum NL.

Paul McWilliams
Company Secretary