Singapore shares extended gains on Thursday, mirroring regional gains as governments showcased more optimism over the possibility of finding common ground with US President Donald Trump over his global tariffs.

The Straits Times Index ranged between 4,061.48 and 4,080.00 throughout the day. It ended the session at 4,075.70, up 17.88 points or 0.44% compared to Wednesday's close.

Yanlord Land up 8.3%; Hong Leong Asia up 5%; HPL, StarHub up over 2%; Sats Ltd, SGX, Singtel, iFast up over 1%.

In company news, shares of Sanli Environmental were up nearly 8% at the close after the company secured a contract from Singapore's National Water Agency worth SG$105.3 million.

Soilbuild Construction closed 7% higher after its subsidiaries, Soil-Build and Precast Concrete, were awarded construction contracts worth SG$178.6 million.

Meanwhile, shares of Prime US REIT were up over 4% at the close after the REIT signed an 11-year lease of 120,000 square feet in Gaithersburg, Maryland, US.