BlackRock-led investors in Saudi Aramco's gas pipeline network Greensaif Pipelines Bidco have tightened price guidance for dual-tranche amortizing bonds and expect to raise $1.25 billion from each tranche, IFR reported on Wednesday.

The price guidance for the 12-year bonds has been tightened to 175/180 basis points over U.S. Treasuries (UST) and to 195/200 bps over UST for the 18-year portion, IFR said. The tranches have weighted average lives of 10 and 14.5 years, respectively.

(Reporting by Shamsuddin Mohd Editing by David Goodman)