The UK services giant posted a net profit of $243 million, compared to $326 million for the 2012 first half.

Revenue was down 12.5% from last year to $2.8 billion, while earnings before interest, taxes, depreciation and amortizations were 11% lower at $405 million.

“Net profit for 2013 is expected to be significantly weighted towards the second half of the year, reflecting the phasing of Onshore Engineering & Construction and Integrated Energy Services project delivery,” Petrofac chief executive Ayman Asfari said in a statement on Tuesday.

“Operationally,