Ameren Corporation reaffirms earnings guidance for the fiscal year 2021. The company reaffirmed its 2021 earnings guidance range of $3.65 to $3.85 per diluted share. Earnings guidance for 2021 assumes normal temperatures for the last six months of the year and is subject to the effects of, among other things: the impacts of COVID-19; 30-year U.S.Treasury bond yields; regulatory, judicial and legislative actions; energy center and energy distribution operations; energy, economic and capital market conditions; severe storms; unusual or otherwise unexpected gains or losses; and other risks and uncertainties outlined, or referred to.