Second Quarter 2025 NASDAQ: MRBK Earnings Supplement

FORWARD-LOOKING STATEMENTS Meridian Corporation (the “Corporation”) may from time to time make written or oral “forward-looking statements” within the meaning of the “safe harbor” provisions of the Private Securities Litigation Reform Act of 1995. These forward-looking statements include statements with respect to Meridian Corporation’s strategies, goals, beliefs, expectations, estimates, intentions, capital raising efforts, financial condition and results of operations, future performance and business. Statements preceded by, followed by, or that include the words “may,” “could,” “should,” “pro forma,” “looking forward,” “would,” “believe,” “expect,” “anticipate,” “estimate,” “intend,” “plan,” or similar expressions generally indicate a forward-looking statement. These forward-looking statements involve risks and uncertainties that are subject to change based on various important factors (some of which, in whole or in part, are beyond Meridian Corporation’s control). Numerous competitive, economic, regulatory, legal and technological factors, risks and uncertainties that could cause actual results to differ materially include, without limitation, credit losses and the credit risk of our commercial and consumer loan products; changes in the level of charge-offs and changes in estimates of the adequacy of the allowance for credit losses, or ACL; cyber-security concerns; rapid technological developments and changes; increased competitive pressures; changes in spreads on interest-earning assets and interest-bearing liabilities; changes in general economic conditions and conditions within the securities markets; escalating tariff and other trade policies and the resulting impacts on market volatility and global trade; unanticipated changes in our liquidity position; unanticipated changes in regulatory and governmental policies impacting interest rates and financial markets; legislation affecting the financial services industry as a whole, and Meridian Corporation, in particular; changes in accounting policies, practices or guidance; developments affecting the industry and the soundness of financial institutions and further disruption to the economy and U.S. banking system; among others, could cause Meridian Corporation’s financial performance to differ materially from the goals, plans, objectives, intentions and expectations expressed in such forward-looking statements. Meridian Corporation cautions that the foregoing factors are not exclusive, and neither such factors nor any such forward-looking statement takes into account the impact of any future events. All forward-looking statements and information set forth herein are based on management’s current beliefs and assumptions as of the date hereof and speak only as of the date they are made. For a more complete discussion of the assumptions, risks and uncertainties related to our business, you are encouraged to review the Corporation’s filings with the Securities and Exchange Commission, including our Annual Report on Form 10-K for the year ended December 31, 2024 and subsequently filed quarterly reports on Form 10-Q and current reports on Form 8-K that update or provide information in addition to the information included in the Form 10-K and Form 10-Q filings, if any. The Corporation does not undertake to update any forward-looking statement whether written or oral, that may be made from time to time by the Corporation or by or on behalf of Meridian Bank, except as may be required under applicable laws. Meridian Corporation 2

MRBK INVESTMENT HIGHLIGHTS Regional presence with a community touch. "Go to" bank in the Delaware Valley Demonstrated organic growth engine in diversified loan segments. Focus on Commercial, CRE and SBA lending - 80% of loan book. Valuable customer base trained to solely use electronic channel. Strong sales culture that capitalizes on market disruption. Skilled management team with extensive in-market experience. Comfortably handle all but the largest companies. Meridian Corporation 3

Geographic Footprint Regional Market Meridian Corporation 4

Q2'2025 vs Q2'2024 Financial Recap Summary Income Statement ($000s) Q2'2025 Q2'2024 Net Interest Income $ 21,159 $ 16,846 Provision for Credit Losses 3,803 2,680 Non-Interest Income 11,288 9,244 Non-Interest Expense 21,357 19,018 Income Before Income Taxes 7,287 4,392 Income Taxes 1,695 1,066 Net income $ 5,592 $ 3,326 Earnings Per Share Diluted Earnings Per Share $ 0.49 $ 0.30 Pre-Provision Net Revenue by Segment 1 Bank $ 9,005 $ 5,851 Wealth 604 676 Mortgage 1,481 545 Pre-Provision Net Revenue $ 11,090 $ 7,072 Assets ($M) Loans ($M) Deposits ($M) Q2'2021 Q2'2022 Q2'2023 Q2'2024 Q2'2025 $1,000 $2,000 $3,000 Summary Balance Sheet Q2'2025 Q2'2024 Assets ($M) $ 2,511 $ 2,352 Loans ($M) 2 2,108 1,989 Deposits ($M) 2,110 1,915 Equity ($M) 178 162 1) A Non-GAAP measure. See Non-GAAP reconciliation in the Appendix. 2) Includes loans held for investment. Meridian Corporation 5

For the Calendar Quarter Ended Balance Sheet ($M) Q2'2025 Q1'2025 Q4'2024 Q3'2024 Q2'2024 Total Assets $ 2,511 $ 2,529 $ 2,386 $ 2,388 $ 2,352 Total Loans & Leases² 2,152 2,100 2,063 2,055 2,043 Deposits 2,110 2,129 2,005 1,979 1,915 Equity 178 174 172 167 162 Tangible Equity / Tangible Assets3 6.96 % 6.73 % 7.05 % 6.87 % 6.76 % Net Income & Share Data ($000s) Net Income $ 5,592 $ 2,399 $ 5,600 $ 4,743 $ 3,326 Diluted EPS 0.49 0.21 0.49 0.42 0.30 Price per Common Share 12.89 14.40 13.71 12.64 10.52 TBV per Share 15.44 15.06 14.93 14.58 14.17 Pre-Provision Net Revenue3 11,090 8,357 11,167 8,527 7,072 Common Dividends per Share 0.125 0.125 0.125 0.125 0.125 Dividend Yield (annualized) 3.9 % 3.5 % 3.6 % 4.0 % 4.8 % Profitability (%) ROAE 12.68 % 5.57 % 13.01 % 11.41 % 8.25 % ROAA 0.90 % 0.40 % 0.92 % 0.80 % 0.58 % NIM 3.54 % 3.46 % 3.29 % 3.20 % 3.06 % Q2'2025 HIGHLIGHTS 1) As of and for the quarter ended and year ended June 30, 2025, per July 24, 2025 press release. 2) Includes loans held for sale and loans held for investment. 3) A Non-GAAP measure. See Non-GAAP reconciliation in the Appendix. Meridian Corporation 6

Q2'2025 INCOME STATEMENT TRENDS ($000s) Pre-Provision Net Revenue by Segment Q2'2024 Q3'2024 Q4'2024 Q1'2025 Q2'2025 Bank $ 5,851 $ 6,222 $ 8,205 $ 8,860 $ 9,005 Wealth 676 653 571 726 604 Mortgage 545 1,652 2,391 (1,229) 1,481 Total Pre-Provision Net Revenue $ 7,072 $ 8,527 $ 11,167 $ 8,357 $ 11,090 Q2'2024 Q3'2024 Q4'2024 Q1'2025 Q2'2025 Net Interest Income Non-Interest Income Non-Interest Expense Pre-Provision Net Revenue Net Income $0 $5,000 $10,000 $15,000 $20,000 Meridian Corporation 7

NET INTEREST MARGIN 3.06% 3.20% 3.29% 3.46% 3.54% 6.98% 7.06% 6.81% 6.83% 6.89% 4.10% 4.05% 3.71% 3.56% 3.52% Net Interest Margin Yield on Earning Assets Cost of Funds Q2'2024 Q3'2024 Q4'2024 Q1'2025 Q2'2025 0.00% 1.00% 2.00% 3.00% 4.00% 5.00% 6.00% 7.00% 8.00% Meridian Corporation 8 48 bps

DEPOSIT REPRICING DRIVING DOWN COST OF FUNDS Data as of June 30, 2025 • During Q2, deposit costs declined 5 bps, driving improvement in net interest margin • $398 million in term deposits to reprice next six months • Currently repricing at approx. 4.20%, down from 4.47% and 4.21% through months 1 to 3 and 3 to 6 of 2025, respectively Meridian Corporation 9 Time Deposit Maturity Schedule ($000s) - as of June 30, 2025 4.47% 4.21% 4.02% 3.95% 3.78% 4.03% 3.69% Amount Maturing (000s) Blended Cost by Period 1-3 MONTHS 3-6 MONTHS 6-9 MONTHS 9-12 MONTHS 12-18 MONTHS 18-24 MONTHS > 2 YRS $— $20,000 $40,000 $60,000 $80,000 $100,000 $120,000 $140,000 $160,000 $180,000 $200,000 3.50% 3.75% 4.00% 4.25% 4.50% 4.75% 5.00%

NON-INTEREST INCOME (Dollars in thousands) Q2'2025 Q1'2025 $ Change Mortgage banking income 1 5,847 3,665 2,182 SBA income 1,988 748 1,240 Wealth management income 1,492 1,535 (43) Net gain on sale of MSRs 467 (52) 519 Other income 1,494 1,428 66 Total $ 11,288 $ 7,324 $ 3,964 Note 1 - includes FV change on mortgages HFS and related hedging derivatives. 51.8% 13.2% 17.6% 4.1% 13.2% Mortgage banking income Wealth management income SBA income Net gain on sale of MSR's Other income (% of total non-interest income during Q2'2025) Meridian Corporation 10

NON-INTEREST EXPENSE (% of total non-interest expense during Q2'2025) (Dollars in thousands) Q2'2025 Q1'2025 $ Change Salaries & benefits 13,179 11,385 1,794 Occupancy & equipment 1,037 1,338 (301) Professional fees 1,164 763 401 Data processing and IT 1,706 1,479 227 Other 4,271 3,778 493 Total $ 21,357 $ 18,743 $ 2,614 61.7% 4.9% 5.5% 8.0% 20.0% Salaries & employee benefits Occupancy & equipment Professional Data processing / IT Other Meridian Corporation 11

LOANS AND OTHER FINANCE RECEIVABLES Balance ($000s) June 30, 2025 YTD Growth % Commercial Mortgage 855,465 3.8 % Commercial & Industrial 404,011 10.0 % Construction 285,231 9.9 % SBA loans 144,655 (7.1) % Leases, net 57,822 (23.9) % Residential mortgage 256,943 1.7 % Home equity 99,963 10.2 % Consumer 344 (1.4) % Total $ 2,104,434 3.9 % Commercial Mortgage, 41% Retail, 17% Commercial & Industrial, 19% SBA, 7% Construction, 13% Leases, 3% Commercial - 83% Retail - 17% (resi, home equity, consumer) Meridian Corporation 12 As of June 30, 2025

C&I LOAN PORTFOLIO OVERVIEW C&I Portfolio By Industry as of June 30, 2025 10 Largest C&I Relationships as a % of C&I Portfolio 12.3 % 10 Largest C&I Relationships as a % of Total Loan Portfolio 5.0 % Average Loan Size O/S of C&I Portfolio, excluding leases ($000s) $400 Weighted Average Risk Rating of C&I Portfolio Pass 17.6% 15.1% 12.6% 8.7% 9.5% 7.3% 8.1% 6.2% 5.6% 4.4% 3.2% 1.3% 0.4% Other Manufacturing Construction Related RE Investment Professional Services Health & Social Services Wholesale Trade Retail Trade Financial, Insurance & RE Services Leisure Admin & Support Waste Mgmt & Remediation RE & Rental Lease *Includes commercial owner occupied real estate of $262 million Portfolio Characteristics Meridian Corporation 13 $857M Total C&I*

30.0% 2.7% 18.3% 1.6% 27.5% 9.9% 4.5% 5.4% Resi & Coml Constr RE & Rental Lease Com RE Inv Construction Related RE Inv Leisure Other Fin, Ins, RE Services CRE LOAN PORTFOLIO OVERVIEW - as of June 30, 2025 $878M* Total CRE (as a % of CRE loans) *Commercial owner occupied real estate loans of $262 million not included (see C&I chart) Included in CRE: • $61.4 M of office buildings; & • $121.4 M of multi-family loans Meridian Corporation Multi-family Loans by Region: Region Amount ($000s) % of Total Philadelphia 81,796 67 % Chester County, PA 10,968 9 % Montgomery County, PA 7,448 6 % New Castle, DE 7,512 6 % Delaware County PA 9,681 8 % Southern NJ 1,375 1 % Bucks County, PA 1,377 1 % Other 1,197 1 % Total $ 121,354 14

CRE RATIOS - 100 & 300* 75% 75% 88% 96% 99% 73% 73% 127% 113% 114% 120% 120% 150% 149% 156% 184% 177% 172% 169% 234% 256% 277% 287% 282% CRE 100 Ratio CRE 300 Ratio Dec-15 Dec-16 Dec-17 Dec-18 Dec-19 Dec-20 Dec-21 Dec-22 Dec-23 Dec-24 Mar-25 Jun-25 50% 100% 150% 200% 250% 300% Increase of $120M in Construction of which $56M was Multi-family Meridian Corporation 15 * The CRE 100 Ratio and CRE 300 Ratio consist of construction loans (100) and non-owner occupied CRE loans (300) compared to total risk-based capital at June 30, 2025.

6.79% 6.82% 7.89% 11.10% 11.50% 11.47% 10.53% 1.01% 0.54% 1.12% 3.43% 3.96% 3.56% 3.52% Yield on SBA Loans Cost of Funds FYE 20 FYE 21 FYE 22 FYE 23 FYE 24 Q1'25 Q2'25 —% 5.00% 10.00% 15.00% SBA Loan Portfolio Overview SBA Loan Portfolio Profitability ($000s) Yield vs. Cost $4,639 $11,773 $13,280 $15,976 $15,245 $3,808 $4,918 $2,478 $1,172 $2,469 $3,463 $2,555 $1,375 Total Net Revenue Provision for Credit Losses FYE 20 FYE 21 FYE 22 FYE 23 FYE 24 Q1'25 Q2'25 $5,000 $10,000 $15,000 • $144.7 million loans outstanding at June 30, 2025. • Very profitable portfolio. • Spread on SBA portfolio - 7.0% for Q2 2025. • 71% of non-performing loans as of June 30, 2025 were originated during 2020-2021 prior to 500+ bps rise in rates. Meridian Corporation 16

ASSET QUALITY - as of June 30, 2025 Comm Mortgage, $1,280 Construction & Land Dev, $8,982 C & I - Billboard (1), $5,590 C & I - Other, $1,640SBA, $19,411 Residential (2), $9,465 Leases, $2,522 Home Equity, $1,644 Non-performing Loans by Type ($000s) $10.0 million (52%) guaranteed by SBA (1) C&I Billboard is comprised of 1 loan relationship. (2) Residential non-performing includes 1 loan for $2.4 million which is well secured and earning interest on a cash basis. Meridian Corporation 17

ASSET QUALITY TRENDS 0.08% 0.05% 0.05% 0.11% 0.12% 0.20% 0.11% 0.34% 0.14% 0.17% 1.11% 1.32% 1.38% 1.58% 1.74% 1.68% 1.97% 1.90% 2.07% 2.14% NCOs / Avg Loans NPAs / Assets Q1'2023 Q2'2023 Q3'2023 Q4'2023 Q1'2024 Q2'2024 Q3'2024 Q4'2024 Q1'2025 Q2'2025 0.00% 0.25% 0.50% 0.75% 1.00% 1.25% 1.50% 1.75% 2.00% 2.25% Meridian Corporation 18

MORTGAGE VOLUME & MARGIN TRENDS ($000s) 2.89% 2.71% 2.76% 2.95% 2.81% 2.82% 2.73% 2.63% 2.86% Closed and Funded - Purchase Closed and Funded - Refi Sold Volume Margin Q2'2023 Q3'2023 Q4'2023 Q1'2024 Q2'2024 Q3'2024 Q4'2024 Q1'2025 Q2'2025 0 50 100 150 200 250 300 2.00% 2.20% 2.40% 2.60% 2.80% 3.00% Q2'2023 Q3'2023 Q4'2023 Q1'2024 Q2'2024 Q3'2024 Q4'2024 Q1'2025 Q2'2025 Refinance (%) 9% 10% 13% 16% 10% 12% 16% 18% 14% Purchase (%) 91% 90% 87% 84% 90% 88% 84% 82% 86% Meridian Corporation 19

DEPOSIT COMPOSITION - as of June 30, 2025 Business Accounts, 50% Consumer Accounts, 14% Municipal Deposits, 12% Brokered Deposits, 24% Business Accounts Consumer Accounts Municipal Deposits Brokered Deposits Total Deposits $2.1 billion • At June 30, 2025, 62% of business accounts and 81% of consumer accounts were fully insured by the FDIC. • The average business money market account balance was $550 thousand at June 30, 2025. • The municipal deposits are 100% insured or collateralized and brokered deposits are 100% FDIC insured. • The level of uninsured deposits for the entire deposit base was 21% at June 30, 2025. (as a % of total deposits) Meridian Corporation 20

INVESTMENT PORTFOLIO COMPOSITION As of June 30, 2025 • Total investment securities 8.9% of total assets: – 85% Available for sale (AFS). – 15% Held-to-maturity (HTM). • Portfolio duration - 3.73 years and average life - 5.07 years. • Tax-equivalent yield - 3.89% • 12-month projected cash flow $28.9 million, or 12.97% of portfolio • Post Tax AFS URL $6.5 million or 2.87% of Tier 1 capital (1) (1) Capital ratios reflect Meridian Bank ratios. US government agency 41.3% State & municipal - tax free 24.3% Other 13.1% US asset backed 12.5% State & municipal - taxable 7.8% Equity Securities 1.0% Total Securities $222.7 million Meridian Corporation 21

APPENDIX - HISTORICAL FINANCIAL HIGHLIGHTS AND RECONCILIATIONS OF NON-GAAP MEASURES Meridian Corporation 22

HISTORICAL FINANCIAL DATA 1) Includes loans held for sale and held for investment. 2) Includes loans held for investment (excluding loans at fair value). 3) A Non-GAAP measure. See Appendix for Non-GAAP to GAAP reconciliation. As of or the Quarter Ended As of or the Year Ended (dollars in thousands) Q2'2025 Q1'2025 Q2'2024 2024Y 2023Y 2022Y Balance Sheet Total Assets $ 2,510,938 $ 2,528,888 $ 2,351,584 $ 2,385,867 $ 2,246,193 $ 2,062,228 Loans (1) 2,152,328 2,099,722 2,042,813 2,062,850 1,920,622 1,765,925 Deposits 2,110,374 2,128,742 1,915,436 2,005,368 1,823,462 1,712,479 Gross Loans / Deposits 101.99 % 98.64 % 106.65 % 102.87 % 105.33 % 103.12 % Capital Total Equity $ 178,020 $ 173,568 $ 162,382 $ 171,522 $ 158,022 $ 153,280 Tangible Common Equity / Tangible Assets - HC (3) 6.96 % 6.73 % 6.76 % 7.05 % 6.87 % 7.25 % Tangible Common Equity / Tangible Assets - Bank (3) 8.96 % 8.61 8.85 9.06 8.94 8.80 Tier 1 Leverage Ratio - Bank 9.32 % 9.30 9.33 9.21 9.46 9.95 Total Capital Ratio - Bank 11.54 % 11.14 10.84 11.20 11.17 11.87 Commercial Real Estate Loans / Total RBC 282.30 % 286.5 % 275.8 % 277.2 % 255.9 % 234.1 % Earnings & Profitability Net Income $ 5,592 $ 2,399 $ 3,326 $ 16,346 $ 13,243 $ 21,829 ROA 0.90 % 0.40 % 0.58 % 0.70 % 0.61 % 1.18 % ROE 12.68 % 5.57 8.25 9.93 8.53 13.87 Net Interest Margin (NIM)(TEY) 3.54 % 3.46 3.06 3.16 3.35 3.98 Non-Int Inc. / Avg. Assets 1.82 % 1.23 1.60 1.76 1.48 2.26 Efficiency Ratio 65.82 % 69.16 % 72.89 % 70.46 % 76.43 % 72.81 % Asset Quality Nonaccrual Loans / Loans (1) 2.35 % 2.49 % 1.84 % 2.19 % 1.76 % 1.20 % NPAs / Assets 2.14 % 2.07 1.68 1.90 1.58 1.11 Reserves / Loans (2) (3) 1.00 % 1.01 1.10 0.91 1.17 1.09 NCOs / Average Loans 0.17 % 0.14 % 0.20 % 0.78 % 0.30 % 0.15 % Yield and Cost Yield on Earning Assets (TEY) 6.89 % 6.83 % 6.98 % 6.94 % 6.62 % 5.02 % Cost of Deposits 3.31 % 3.36 3.98 3.82 3.24 0.97 Cost of Interest-Bearing Liabilities 3.96 % 4.00 % 4.60 % 4.46 % 3.97 % 1.36 % Meridian Corporation 23

Allowance For Credit Losses (ACL) to Loans and Other Finance Receivables, Excluding Loans at Fair Value (dollars in thousands) June 30, 2025 March 31, 2025 December 31, 2024 September 30, 2024 June 30, 2024 Allowance for credit losses (GAAP) $ 20,851 $ 20,827 $ 18,438 $ 21,965 $ 21,703 Loans and other finance receivables (GAAP) 2,108,250 2,071,675 2,030,437 2,008,396 1,988,535 Less: Loans at fair value (14,541) (14,182) (14,501) (13,965) (12,900) Loans and other finance receivables, excluding loans at fair value (non-GAAP) $ 2,093,709 $ 2,057,493 $ 2,015,936 $ 1,994,431 $ 1,975,635 ACL to loans and other finance receivables (GAAP) 0.99 % 1.01 % 0.91 % 1.09 % 1.09 % ACL to loans and other finance receivables, excluding loans at fair value (non-GAAP) 1.00 % 1.01 % 0.91 % 1.10 % 1.10 % RECONCILIATION OF NON-GAAP MEASURES Meridian believes that non-GAAP measures are meaningful because they reflect adjustments commonly made by management, investors, regulators and analysts. The non-GAAP disclosure have limitations as an analytical tool, should not be viewed as a substitute for performance and financial condition measures determined in accordance with GAAP, and should not be considered in isolation or as a substitute for analysis of Meridian’s results as reported under GAAP, nor is it necessarily comparable to non-GAAP performance measures that may be presented by other companies. Pre-Provision Net Revenue Reconciliation Three Months Ended (Dollars in thousands, except per share data) June 30, 2025 March 31, 2025 June 30, 2024 Income before income tax expense $ 7,287 $ 3,145 $ 4,392 Provision for credit losses 3,803 5,212 2,680 Pre-provision net revenue $ 11,090 $ 8,357 $ 7,072 Bank $ 9,005 $ 8,860 $ 5,851 Wealth 604 726 676 Mortgage 1,481 (1,229) 545 Pre-provision net revenue $ 11,090 $ 8,357 $ 7,072 Meridian Corporation 24

(dollars in thousands) June 30, 2025 March 31, 2025 December 31, 2024 September 30, 2024 June 30, 2024 Tangible common equity ratio - Consolidated: Total stockholders' equity (GAAP) $ 178,020 $ 173,568 $ 171,522 $ 167,450 $ 162,382 Less: Goodwill and intangible assets (3,564) (3,615) (3,666) (3,717) (3,768) Tangible common equity (non-GAAP) $ 174,456 $ 169,953 $ 167,856 $ 163,733 $ 158,614 Total assets (GAAP) $ 2,510,938 $ 2,528,888 $ 2,385,867 $ 2,387,721 $ 2,351,584 Less: Goodwill and intangible assets (3,564) (3,615) (3,666) (3,717) (3,768) Tangible assets (non-GAAP) $ 2,507,374 $ 2,525,273 $ 2,382,201 $ 2,384,004 $ 2,347,816 Tangible common equity ratio (non-GAAP) 6.96 % 6.73 % 7.05 % 6.87 % 6.76 % Tangible common equity ratio - Bank: Total stockholders' equity (GAAP) $ 228,127 $ 220,768 $ 219,119 $ 217,028 $ 211,308 Less: Goodwill and intangible assets (3,564) (3,615) (3,666) (3,717) (3,768) Tangible common equity (non-GAAP) $ 224,563 $ 217,153 $ 215,453 $ 213,311 $ 207,540 Total assets (GAAP) $ 2,510,684 $ 2,525,029 $ 2,382,014 $ 2,385,994 $ 2,349,600 Less: Goodwill and intangible assets (3,564) (3,615) (3,666) (3,717) (3,768) Tangible assets (non-GAAP) $ 2,507,120 $ 2,521,414 $ 2,378,348 $ 2,382,277 $ 2,345,832 Tangible common equity ratio (non-GAAP) 8.96 % 8.61 % 9.06 % 8.95 % 8.85 % RECONCILIATION OF NON-GAAP MEASURES Meridian Corporation 25