Regular Quarterly Dividend Increase

The Board of Directors declared a regular quarterly cash dividend of $0.42 per share of ACNB Corporation common stock payable on June 15, 2026, to shareholders of record as of June 1, 2026. This per share amount reflects a 10.5% increase, or $0.04, over the $0.38 cash dividend paid in the first quarter of 2026, and a 23.5% increase over the $0.34 paid in the second quarter of 2025.