In this Jan 29, 2020 photo, pedestrians wearing protective masks walk past the Exchange Square complex, right, in Hong Kong, China. (PAUL YEUNG / BLOOMBERG)

HONG KONG - The Hong Kong Special Administrative Region (HKSAR) government announced Wednesday its green bond offering worth US$2.5 billion.

The HKSAR government said the offering saw strong demand from global investors

The offering comprises US$1 billion of five-year bonds with a yield of 0.635 percent, US$1 billion of 10-year bonds priced at 1.414 percent, and US$500 of 30-year bonds at 2.431 percent.

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The HKSAR government said the offering saw strong demand from global investors. Asian institutional investors acquired 65 percent of the total issuance, and European and US investors received an allocation of 20 percent and 15 percent, respectively.

"The success of the offering demonstrates investor confidence in Hong Kong's credit strengths and economic fundamentals in the long term," Paul Chan, financial secretary of the HKSAR government said. "The issuance will help catalyze further growth of the green and sustainable bond market, particularly leveraging on Hong Kong's strengths as a leading green finance hub in the region."

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With credit ratings of AA+ by S&P Global Ratings and AA- by Fitch, the green bonds are expected to be settled on Feb. 2 and listed on the Hong Kong Stock Exchange and the London Stock Exchange.