Modified · OVERVIEW

Net income attributable to Ameren common shareholders in the three months ended March 31June 30, 2026, was $357314 million, or $1.281.13 per diluted share, compared with $289275 million, or $1.071.01 per diluted share, in the year-ago period. Net income attributable to Ameren common shareholders in the six months ended June 30, 2026, was $671 million, or $2.41 per diluted share, compared with $564 million, or $2.08 per diluted share, in the year-ago period. Net income was favorably affected for the three and six months ended March 31June 30, 2026, by increased infrastructure investments across all segments, including infrastructure reflected in electric and natural gas service rates at Ameren Missouri, effective June 1, 2025 and September 1, 2025, respectively, and natural gas rates at Ameren Illinois, effective December 2, 2025. Net income was unfavorably affected for the three and six months ended March 31June 30, 2026, by decreased retail electric sales volumes increased other operations and maintenance expenses at Ameren Missouri not subject to riders or trackers, primarilylargely due to warmer winter temperatures higher energy center maintenance expense and an increase in 2026vegetation management expenses, among other items.