The company, which announced major expansions to its Indonesian and Australian explosive operations last month, said it would use the cash to repay current bank lines and commercial paper, allowing “these facilities to fund future growth opportunities”

Orica was carrying $A1.2 billion in net debt at the end of last year, according to the company’s half-year accounts released in May.

Orica has issued $335 in 10-year notes, carrying a coupon rate of 4.53%, $80 million in 12-year notes at 4.63%, $85 million in 15-year notes at 4.88%, and $100 million in 20-year notes at 5.9%.

The weighted average pricing of the notes is 4.82%, according to Orica.