Aris Mining (ARMN) said Monday S&P Dow Jones Indices has disclosed that its shares will be added to the S&P/TSX Composite Index, prior to the open of trading on Sept. 22.

The gold mining company said the S&P/TSX Composite Index is Canada's premier equity benchmark and includes the largest and most actively traded companies on the Toronto Stock Exchange.

Aris Mining shares were up more than 2% on the New York Stock Exchange in recent premarket activity.