Huaneng Power International, Inc. (HKEX: 00902) has announced the final coupon rates for its latest series of perpetual corporate bonds.

The company's issuance of corporate bonds with a total face value of up to 40 billion yuan, targeted at professional investors, has received approval from the Shanghai Stock Exchange and registration consent from the China Securities Regulatory Commission.

This specific tranche, named the 2026 Science and Technology Innovation Perpetual Corporate Bonds (Second Series), has an issuance scale capped at 2 billion yuan.

The bond offering consists of two tranches. The first tranche has a term of 3+N years, while the second tranche has a term of 5+N years.

Following a book-building process with professional institutional investors conducted on June 4, 2026, the issuer and lead underwriters have determined the final coupon rates.

The coupon rate for the first tranche, with the bond abbreviation 26HPI3YK and code 245377.SH, has been set at 1.67%.

The coupon rate for the second tranche, with the bond abbreviation 26HPI4YK and code 245378.SH, has been set at 1.78%.