SoftBank Group Corp. plans to raise 260 billion yen ($1.6 billion) through subordinated bonds. The offering primarily targets individual retail investors in Japan.

Proceeds will fund the company's growing investments in the artificial intelligence sector. This sale marks SoftBank's second return to the retail debt market in two months.

The 35-year bonds include an issuer's call option after five years. Initial five-year coupons are guided between 4.8% and 5.6%. The capital supports AI-related ventures and infrastructure spending.