** Hong Kong-listed shares of Yancoal Australia Ltd

climb 2.5% to HK$28.75, on track to snap three straight sessions of decline, if gains hold

** Yancoal says it will be added to S&P/ASX 200 and S&P/ASX 300 indexes from Sept 23, following S&P Dow Jones Indices' September quarterly review

** The coal producer says the index inclusion follows Yancoal's addition to the Hang Seng Composite Index and inclusion in the list of stocks eligible for trading under the Stock Connect programme with the mainland Chinese stock market in March 2023

** Yancoal's Australia-listed stock surges 3.4%

** Hang Seng Composite Index and Hang Seng Index

fall 1.7% each

** Yancoal's Hong Kong stock up 6.8% YTD, Australia-listed shares up 10.7% YTD

(Reporting by Donny Kwok)

((donny.kwok@thomsonreuters.com))