Investor Presentation - February 4-5

February 4-5,

2026

INVESTOR PRESENTATION

O U R F A M I L Y O F B A N K S

CNB FINANCIAL CORPORATION

• Holding Company for CNB Bank (Clearfield, PA), serving the community since 1865

• 75 full-service offices, one loan production office, one mobile office, two limited service offices across Pennsylvania, New York, Ohio and Virginia

• CNB Bank's regional divisions (all under one charter) include CNB Bank (Central and North Central PA); FCBank (Central OH), ERIEBANK (Northeast OH & Northwest PA), BankOnBuffalo (Western NY), Ridge View Bank (Southwest, VA), ESSA Bank (Northeast PA) and Impressia Bank, which operates across our entire footprint

• Nasdaq: CCNE & CCNEP

• Market Capitalization: ~$805 million(1)

FINANCIAL HIGHLIGHTS

(As of 12/31/2025)

ASSETS: $8.4 billion

DEPOSITS: $7.0 billion

LOANS: $6.5 billion

(1) Based on 29,473,352 share count reported as of December 31, 2025, in the January 27, 2026 Earnings Release and the January 29, 2026 closing stock price ($27.30)

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INVESTMENT ACCRETION AND RETURNS

TANGIBLE BOOK VALUE PER COMMON SHARE(1) RETURN ON AVERAGE TANGIBLE COMMON EQUITY(1)

$30.00

$25.00

$20.00

$15.00

Book Value / Common Share

Tangible Book Value / Common Share

$17.28

$20.00

$17.45

$21.29

$18.66

$22.85

$20.22

$22.39

$20.30

$24.57

$22.46

$26.34

$24.24

ROATCE

$27.63

$23.48

18.00%

16.00%

14.00%

12.00%

ROAE

$10.00

$5.00

$-

$14.01

$11.96

$14.64

$11.76

$15.98

$13.33

$14.69

10.00%

8.00%

6.00%

4.00%

2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2025

2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

DILUTED EARNINGS PER COMMON SHARE(2)

Adj

$3.50

$3.00

$2.50

$2.00

$1.50

$1.00

$0.50

$-

$3.16 $3.26

$2.95

$2.63

$2.55

$2.49

$2.21

$2.39

$1.97

$1.54

$1.42

$1.57

2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2025 Adj

(1) Return on average tangible common equity (ROATCE), adjusted return on tangible common equity, and tangible book value per common share are non-GAAP financial measures - see Appendix for reconciliations; Average equity includes both common and preferred equity in periods following the 2020 preferred equity issuance. Adjusted return on tangible common equity is adjusted to remove merger related expenses.

(2) Diluted earnings per share includes merger costs in 2019, and merger costs, FHLB prepayment penalties and branch closure costs in 2020, and merger costs in 4

2025. Adjusted diluted earnings per common share is a non-GAAP financial measures - see Appendix for reconciliations

Note: "CAGR" means Compound Annual Growth Rate.

CONSOLIDATED CAPITAL POSITION 12/31/2025(1)

16%

14%

12%

10%

8%

6%

4%

2%

0%

Common equity / Total assets Tangible common equity / Tangible assets

Common Equity Tier 1 Ratio Total Risk Based Capital Ratio

• The Corporation did not repurchase shares of common stock during the twelve months ended December 31, 2025; remaining capacity under the current program was 500,000 shares / $15.0 million as of December 31, 2025

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  (1) Tangible common equity / Tangible assets is a non-GAAP financial measure - see Appendix for reconciliation

  DIVIDEND HISTORY

  HISTORICAL DIVIDEND PER COMMON SHARE

  
  
  

  $0.800

  $0.700

  $0.600

  $0.500

  $0.400

  $0.300

  $0.200

  $0.100

  $0.000

  Common Dividend Special Dividend

  • The Corporation's long, uninterrupted history of dividends to its common shareholders reflects a key component of its Total Shareholder Return

  • Common stock dividend yield of 2.75% as of December 31, 2025

  • Common stock dividend payout ratio of 29% as of the twelve months ended December 31, 2025

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DEPOSIT MIX

AVERAGE COST OF INTEREST-

12/31/2025 DEPOSIT MIX (1)

BEARING DEPOSITS

SAVINGS 54.4%

TIME DEPOSITS 15.6%

DEMAND -INTEREST 14.4%

DEMAND -NONINTEREST 15.6%

3.10%

3.00%

2.90%

2.80%

2.70%

2.60%

2.50%

2.40%

2.30%

3.00%

2.75%

2.55%

Q4 2024 Q3 2025 Q4 2025

(1) Deposit Mix excludes deposits classified as Deposits held for sale on the balance sheet at 12/31/2025.

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DEPOSIT MIX

HISTORICAL DEPOSIT MIX (1)

(1) Deposit Mix excludes deposits classified as Deposits held for sale on the balance sheet at 12/31/2025.

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LOAN PORTFOLIO COMPOSITION

12/31/2025 LOAN PORTFOLIO

COMPOSITION

AVERAGE YIELD ON TOTAL LOANS & LOANS HELD FOR SALE(1)

COMMERCIAL MORTGAGE 38.5% COMMERCIAL &

6.56%

6.54%

6.52%

6.50%

6.48%

6.46%

6.54%

INDUSTRIAL 25.7%

CONSUMER & OTHER 2.0%

RESIDENTIAL REAL ESTATE 33.8%

6.44%

6.42%

6.40%

6.38%

6.50%

6.44%

Q4 2024 Q3 2025 Q4 2025

(1) Q3 2025 and Q4 2025 include the impact of the acquisition of ESSA Bancorp.

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ADDITIONAL LOAN PORTFOLIO DETAIL

• Well diversified Commercial & Industrial ("C&I") portfolio with no single industry greater than 20% of total C&I portfolio

• CNB has proven C&I underwriting practices and strong loan loss history

• Commercial Mortgage portfolio is also well diversified with no single segment greater than 30% of the total Commercial Mortgage portfolio, and with the Commercial Office segment representing less than 8% of the total Commercial Mortgage portfolio

C&I DETAIL (12/31/2025) COMMERCIAL MORTGAGE DETAIL (12/31/2025) (1)

Construction 7.7% Retail 8.0% Finance and Insurance 8.6% Educational Services 4.6% Other Services

6.5% Agriculture, Forestry,

Fishing and Hunting 4.1% Administrative and Support and Waste Management Remediation Services 3.8% Transportation and Warehousing 3.8% Storage Units 2.1% Warehouse 2.2% Student Housing 1.1% All Other 22.1% Apartments 29.7% Healthcare & Social Services 11.2% All Other 22.3% Manufacturing 5.5% Retail 8.6% Lodging 14.8% Manufacturing 19.4% Office 7.0% Mixed Use 6.9%

(1) Does not include construction loans 10