The Corporation has a simple capital structure. Basic earnings per share of common stock is calculated as net income available to common shareholders divided by the weighted average number of shares outstanding less unvested restricted stock at the end of the period. Diluted earnings per share is calculated as net income available to common shareholders divided by the weighted average number of shares outstanding.


	Three Months Ended June 30,				Six Months Ended June 30,
	2026		2025		2026		2025
Weighted average shares outstanding (basic)	10,170,860		10,451,469		10,259,205		10,130,666
Dilutive effect of unvested shares	41,365		36,050		29,597		26,665
Weighted average shares outstanding (diluted)	10,212,225		10,487,519		10,288,802		10,157,331
Per share:
Basic	$	1.50	$	1.11	$	2.82	$	1.12
Diluted	1.49		1.11		2.81		1.12

On April 29, 2026, the Corporation announced that the Board of Directors approved a plan to repurchase, in open market transactions at prevailing market prices, up to 310,000 shares, or approximately 3%, of the outstanding shares of ACNB’s common stock. This common stock repurchase program replaced and superseded any and all earlier announced repurchase plans. During the three months ended June 30, 2026, the Corporation repurchased 56,308 shares under this plan.

On June 18, 2025, the Corporation announced that the Board of Directors approved a plan to repurchase, in open market transactions at prevailing market prices, up to 314,000 shares, or approximately 3%, of the outstanding shares of ACNB’s common stock. There were 116,929 shares purchased under this plan through December 31, 2025. During the three and six months ended June 30, 2026 the Corporation repurchased 123,099 and 197,071 shares, respectively, which completed this plan.

On May 5, 2026, shareholders approved the ACNB Corporation Employee Stock Purchase Plan effective July 1, 2026. The ESPP provides employees of ACNB the opportunity to acquire an ownership interest in the Corporation through a regular investment program to purchase its common stock. A total of 300,000 shares of the Corporation’s common stock are reserved for issuance under the ESPP.