The following table shows the activity in goodwill and other intangible assets for three-month and the six-month periods ended June 30, 2026 and 2025.


(in thousands)	Goodwill		Core deposit intangible asset		Other intangible assets		Total
April 1, 2025	$	159,595	$	3,163	$	—	$	162,758
Amortization	—		273		—		273
June 30, 2025	$	159,595	$	2,890	$	—	$	162,485

April 1, 2026	$	263,424	$	35,556	$	3,585	$	302,565
Acquired goodwill and other intangible assets	493		—		—		493
Amortization	—		1,800		272		2,072
June 30, 2026	$	263,917	$	33,756	$	3,313	$	300,986


(in thousands)	Goodwill		Core deposit intangible asset		Other intangible assets		Total
December 31, 2024	$	159,595	$	3,437	$	—	$	163,032
Amortization	—		547		—		547
June 30, 2025	$	159,595	$	2,890	$	—	$	162,485

December 31, 2025	$	159,595	$	2,395	$	—	$	161,990
Acquired goodwill and other intangible assets	104,322		34,440		3,585		142,347
Amortization	—		3,079		272		3,351
June 30, 2026	$	263,917	$	33,756	$	3,313	$	300,986

The First Citizens acquisition was accounted for under the acquisition method of accounting. Assets acquired and liabilities assumed in the acquisition were recorded at their estimated fair values as of the acquisition date. These estimates were recorded based on preliminary valuations, and these estimates, including the initial accounting for deferred taxes, are considered preliminary as of June 30, 2026, and subject to adjustment for up to one year after the acquisition date. During the three months ended June 30, 2026, adjustments were made to goodwill totaling $493,000.

In past years, Park evaluated goodwill for impairment during the second quarter, with financial data as of the immediately prior March 31. To align the impairment analysis more closely with year-end, Park is moving its annual goodwill impairment testing to the fourth quarter, starting with fiscal year 2026. Based on the qualitative analysis performed as of April 1, 2025, the Company determined that goodwill for Park's reporting unit, PNB, was not impaired.


	June 30, 2026				December 31, 2025
(in thousands)	Gross Carrying Amount		Accumulated Amortization		Gross Carrying Amount		Accumulated Amortization
Other intangible assets:
Core deposit intangible asset	$	48,896	$	15,140	$	14,456	$	12,061
Customer relationship intangible asset	3,585		272		—		—
Total	$	52,481	$	15,412	$	14,456	$	12,061

The core deposit intangible asset and the customer relationship intangible asset are being amortized, on an accelerated basis, over a period of ten years. Aggregate amortization expense was $2.1 million and $273,000 for the three-month periods and $3.4 million and $547,000 for the six-month periods ended June 30, 2026 and 2025, respectively.

Estimated amortization expense related to core deposit intangible asset and the customer relationship intangible asset for the remainder of 2026 and the next four years follows:


(in thousands)	Core deposit intangible asset		Customer relationship intangible asset
Six months ending December 31, 2026	$	3,549	$	326
2027	6,442		592
2028	5,679		527
2029	4,572		462
2030	3,809		396