Rox Resources (ASX:RXL) secured commitments for AU$350 million in debt facilities to fund the Youanmi project development in Western Australia, according to a Monday filing with the Australian bourse.

The debt facilities include a AU$300 million senior secured project term loan facility, a AU$20 million cost overrun facility and a AU$30 million bank guarantee facility under a binding credit-approved commitment letter and term sheet with Societe Generale in Sydney, Sumitomo Mitsui Banking Corporation, The Hongkong and Shanghai Banking Corporation, and Westpac (ASX:WBC, NZE:WBC), the filing said.

Financial close and initial debt drawdown are expected in the September quarter, per the filing.

Rox Resources shares fell 4% in morning trade on Monday.