The company's development and production contract at the Dugald River mine in Queensland has been extended by a further 18 months to December 2022, with two one-year options to extend further.
Barminco has been operating at Dugald River since 2012, and the extension will take Barminco's relationship with MMG to over 20 years.
"Perenti has a robust tender pipeline of $8.8 billion and our underground industry sector group has secured more the $540 million in contract extensions this financial year," Perenti managing director and CEO Mark Norwell said.
Last week, Barminco won the $200 million mining contract for Western Areas' Odysseus nickel mine, while another Perenti subsidiary African Underground Mining Services, won a $200 million contract extension at Roxgold's Yaramoko complex in Burkina Faso.
Shares in Perenti rose 5% to $1.25, valuing the company at $873 million.
