• RLI Q1 2026 net earnings fell 11.8% to $0.60 per diluted share.
• Operating earnings declined 6.7% to $0.83 per diluted share.
• Net premiums earned rose 3.3% to $411.4 million, led by 8.6% growth in casualty to $248.6 million.
• Underwriting income dropped 18% to $57.8 million, pushing combined ratio up 3.7 percentage points to 86.
• Results included favorable prior-year reserve development that lifted underwriting income by $31.3 million.

Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. RLI Corporation published the original content used to generate this news brief on May 01, 2026, and is solely responsible for the information contained therein.