RLI Corp. reported third-quarter operating earnings of $0.86 per share, an increase from $0.82 in the prior-year period, driven by a disciplined underwriting performance that yielded an 86.2 overall combined ratio. Gross premiums written grew 2%, while net investment income rose 13% to $46.7 million. Underwriting income totaled $58.8 million, supported by $22.9 million in favorable prior-year reserve development. GAAP net earnings were $0.88 per share, compared to $1.35 last year, primarily due to lower unrealized gains on equity securities. The company also announced a regular quarterly dividend of $0.18 per share and repurchased approximately 104,000 shares during the quarter. RLI Corp. operates in the specialty insurance industry, providing niche property, casualty, and surety products.