 ST. LOUIS, May 10, 2021 PRNewswire -- Ameren Corporation NYSE: AEE today announced first quarter 2021 net income attributable to common shareholders of 233 million, or 0.91 per diluted share, compared to first quarter 2020 net income attributable to common shareholders of 146 million, or 0.59 per diluted share. First quarter 2021 results reflected earnings on increased infrastructure investments made across all business segments driven by solid execution of the companys strategy. 