The company revealed Tuesday that it would book non-cash impairment of A$200 million (US$147 million), representing about 10% of the value of goodwill, after assessing the asset carrying values across all of its cash generating units.

WorleyParsons said impairments were no forecast in its previous guidance for its full-year statutory net profit after tax.

In May, the company stated it expected earnings for the second half of the financial year, which ended 30 June, to to be about 50% of the earnings it booked in the first half of the financial year, which totalled A$104.3