BHP Billiton has extended its outsourcing contract with CSC inking a two-year, $100 million extension to its application services agreement.
Under the deal, CSC will provide software development and maintenance support to BHP Billiton through to May, 2009.
CSC has provided application and infrastructure support to BHP since 2000.
The seven year, $700 million outsourcing contract included the transfer of BHP's IT staff to CSC.
While the current deal covers software, BHP is yet to announce the winner of its infrastructure outsourcing provider tender.
CSC has a strong presence in the mining sector customers include Woodside and Rio Tinto.