• Addition of Northern Star Resources, Light & Wonder, and Greatland Resources to key ASX indices
• Removal of Santos, Seek, and Lendlease from S&P/ASX 20, 50, and 100 indices
• Addition of several new companies to S&P/ASX 300 and All Ordinaries indices

S&P Dow Jones Indices announced changes to the S&P/ASX Indices, effective prior to the open of trading on Monday, March 23, 2026, as a result of the March quarterly review. Key changes include the addition of Northern Star Resources Limited to the S&P/ASX 20 Index, the addition of Light & Wonder Inc. and PLS Group Limited to the S&P/ASX 50 Index, and the addition of Greatland Resources Limited, Regis Resources Limited, and Westgold Resources Limited to the S&P/ASX 100 Index. Notable removals include Santos Limited from the S&P/ASX 20 Index, Seek Limited and Technology One Limited from the S&P/ASX 50 Index, and Lendlease Group from the S&P/ASX 100 Index. The S&P/ASX 200 Index and S&P/ASX 300 Index also saw several additions and removals of companies. The announcement provides details on all the changes across the various S&P/ASX indices.