First Quarter Diluted Earnings Per Share were $1.00 in 2023 vs. $0.97 in 2022 Guidance Range for 2023 Affirmed at $4.25 to $4.45 per Diluted Share ST. LOUIS, May 4, 2023 /PRNewswire/ — Ameren Corporation (NYSE: AEE) today announced first quarter 2023 net income attributable to common…