AGNC Investment To Be Added To S&P MidCap 400 Index, Effective September 21

AGNC Investment Corp. (NASDAQ:AGNC) ("AGNC" or the "Company") announced today that it will be added to the S&P MidCap 400 Index, effective prior to the open of trading on Monday, September 21, 2026. S&P Dow Jones Indices announced AGNC's addition to the S&P MidCap 400 Index as part of its September quarterly rebalance.