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Middlefield Banc Corp.

mbcn · NASDAQ Financial Services
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Ticker mbcn
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Sector Financial Services
Industry Banks - Regional
Employees 51-200
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FY2024 Annual Report · Middlefield Banc Corp.
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22  Middlefield Banc Corp. 2024 Summary Annual Report    
20
24
FOUNDATION 
For Success
SUMMARY ANNUAL REPORT

23  Middlefield Banc Corp. 2024 Summary Annual Report    
$1,391,979
$1,331,006
$1,687,682
$1,822,883
$1,853,359
Total Assets (in thousands)
2020
2021
2022
2024
2023
$8,349
$18,633
$15,673
$17,368
$15,519
Net Income (in thousands)
2020
2021
2022
2024
2023
Return on Average Equity 
8.83%
7.48%
6.07%
11.25%(1)
12.74%
(1) 2022 includes $2.3 million in one-time merger expenses.
2020
2021
2022
2024
2023
Dividends Declared Per Share
$0.85
$0.80
$0.60
$0.81
$0.69
2020
2021
2022
2024
2023
$1.93 EARNINGS PER SHARE—BASIC 
$1.92 EARNINGS PER SHARE—DILUTED

 Middlefield Banc Corp. 2024 Summary Annual Report   1 
In the face of ongoing economic, interest rate, and regulatory 
uncertainty, Middlefield remained committed to the core values 
that have defined the Company over our 124-year history to once 
again deliver meaningful results for our shareholders, employees, 
customers, and communities. Through disciplined execution,  
we achieved key milestones, strengthened our financial position, 
and reinforced our role as a trusted financial partner.
Over the years, Middlefield’s Board has put an important focus 
on succession planning and leadership development. Our 
efforts have produced a strong, experienced, and committed 
team that is focused on upholding Middlefield’s community-
oriented values, while looking to the future to ensure we 
provide our customers with leading financial products and 
services to help them thrive. 
Across Middlefield, employees are encouraged to support their 
local communities. This involvement fosters deep relationships 
not only with community leaders but also with regulators and 
other stakeholders. In addition, Middlefield has a history of 
supporting banking and financial organizations. Middlefield’s 
CEO, Ron Zimmerly, is currently serving on the Board of 
Directors of the Ohio Bankers League and is a member of the 
Federal Reserve Bank of Cleveland’s Community Depository 
Institution Advisory Council. 
Throughout 2024, Ron Zimmerly and Sarah Winters, the 
Company’s Senior VP/Chief Human Resources Officer, worked 
with members of our Board of Directors, in particular Michael 
Voinovich the Chairperson of Middlefield’s Compensation 
Committee, to review and update our compensation 
structure and incentive plans. We believe these efforts ensure 
Middlefield is attracting, developing, and motivating talent to 
align with the goals, values and mission of the Company. 
In late 2023, Michael Cheravitch, a proven banker with over 
35 years of experience, joined the Company as Chief Banking 
Officer. Under this role, Michael oversees all Commercial, 
Business, and Consumer banking channels, including digital 
banking, the retail branch network and call center, along with 
consumer lending, and residential mortgage. 
The Board continues to get updates from advisors and 
investments bankers on the M&A environment, capital market 
landscape, and strategic outlook for banks. These efforts 
demonstrate the Board’s long-standing commitment to pursue 
opportunities that maximize value for our shareholders. In 
addition, four times a year the Board receives in-depth updates 
from Middlefield’s leadership team. This includes updates on 
capital, staffing resources, and a comprehensive performance 
review on how our results are performing against the Company’s 
strategic plan. 
The Board also remains 
focused on key performance 
indicators including liquidity, 
risk, and capital allocation. 
I am pleased to report 
that Middlefield ended 
2024 with robust liquidity 
levels including cash and 
investments of $222.4 million, 
and additional borrowing 
capacity of $381.7 million on 
Federal Home Loan Bank advances. Credit quality remained 
firm during the fourth quarter of 2024, and we are well reserved 
with an allowance for credit losses to total loans of 1.48% at 
December 31, 2024. Finally, I am pleased to report that the 
Board approved a 5% increase to our quarterly cash dividend 
reflecting our confidence in the future, as well as our strong 
capital position and expanding levels of profitability. This latest 
expansion in our dividend reflects the fifth time since 2018 the 
Board has approved an increase to our regular dividend. 
During 2024, Middlefield held events throughout our markets 
aimed at engaging local shareholders, customers, and 
community members. These events provided an opportunity 
for important stakeholders to learn more about Middlefield 
and meet members of the Company’s leadership team and 
Board of Directors. We believe it is important to have regular 
conversations and interactions with our stakeholders and I 
was pleased with the turnout from each event. Based on their 
success, we are looking forward to continuing these activities  
in 2025 and beyond. 
Middlefield’s Board remains highly engaged and committed 
to creating lasting value for the Company’s shareholders, 
employees, customers, and communities. We have a strong, 
high-performing leadership team that is executing against  
our strategic plan. Our solid performance in 2024 reflects 
the hard work and dedication of all the employees of The 
Middlefield Banking Company. I am proud of our success in 
2024 and look forward to what we can accomplish together  
for our shareholders and communities. 
On behalf of the Middlefield Banc Corp. Board of Directors and 
our employees, we thank you for your continued support.
 
 
WILLIAM J. SKIDMORE 
Chairman, Board of Directors
I AM PROUD TO SHARE THAT 2024 WAS A YEAR MARKED BY 
CONTINUED GROWTH, DEVELOPMENT AND STRONG FINANCIAL 
PERFORMANCE. 
CHAIRMAN’S LETTER TO SHAREHOLDERS:

2  Middlefield Banc Corp. 2024 Summary Annual Report    
TO OUR SHAREHOLDERS: 
FOSTERING RELATIONSHIPS AND MAINTAINING MIDDLEFIELD’S LONG-STANDING 
COMMITMENT TO PROVIDE LOCAL, PERSONALIZED AND COMMUNITY-ORIENTED 
FINANCIAL SERVICES TO OUR DIVERSE OHIO MARKETS CONTINUES TO CREATE  
VALUE FOR OUR BANK AND OUR SHAREHOLDERS. 
Throughout 2024, we successfully navigated a complex 
economic and interest rate environment, which is a testament 
to Middlefield’s talented team and robust banking platform. 
As a result, our financial and operating results strengthened 
throughout the year and our 2024 fourth quarter marked one of 
the most profitable quarters in Middlefield’s 124-year history. As 
we look forward, we are focused on leveraging our history, while 
building a solid foundation for the future. 
For the year ended December 31, 2024, net income was $15.5 
million, or $1.92 per diluted share, compared to $17.4 million, or 
$2.14 per diluted share last year. The reduction in net income 
over the prior year was primarily due to higher funding costs, 
as our cost of funds increased to 2.51% in 2024, compared 
to 1.62% in the prior year period, which resulted from higher 
interest rates and increased competition for deposits. This led  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
to a 45-basis point year-over-year reduction in our net interest 
margin and reduced net-interest income. Despite these year-
over-year trends, we ended the year with a strong net interest 
margin of 3.52%. 
While we expect competition for deposits will continue, we 
believe our net interest margin will expand in 2025 as we benefit 
from a strong pipeline of potential new loans. In addition, at 
December 31, 2024, nearly 70% of our loan portfolio was subject 
to repricing. Loan demand across our Central, Western, and 
Northeast Ohio markets remains strong and is supported by 
stable economic trends and compelling development projects. 
Our Central Ohio market in particular is experiencing historical 
levels of development led by investments from Intel, Amazon, 
Honda, Nationwide Children’s Hospital, and most recently 
Anduril. These are multi-billion dollar projects that require 
resources from across the state. For example, the $100 billion 
Intel plant includes suppliers from 38 counties across Ohio. 
Middlefield continues to distinguish itself within competitive 
Ohio markets through an outstanding team of bankers that 
provide personalized solutions to our communities. In addition, 
we continue to strengthen our foundation by investing in new 
technologies, expanding our team, and developing new financial 
products that meet the growing needs of our customers. 
During 2024, we improved our treasury management solutions 
to provide business customers with additional resources to 
manage their businesses and prevent fraud. We enhanced our 
infrastructure with investments in new phone systems and ATMs 
as well as new technologies to further protect the Bank and 
our customers against online threats. We also made strategic 
improvements to our organizational structure by enhancing our 
sales and lending cultures. By investing in our foundation, we 
are better positioned to support our future growth and expand 
our services to more retail and business customers. 
OUR FINANCIAL AND OPERATING RESULTS 
STRENGTHENED THROUGHOUT THE YEAR 
AND OUR 2024 FOURTH QUARTER MARKED 
ONE OF THE MOST PROFITABLE QUARTERS 
IN MIDDLEFIELD’S 124-YEAR HISTORY.

 Middlefield Banc Corp. 2024 Summary Annual Report   3 
Middlefield’s growth opportunities are also supported  
by our strong capital levels and excellent asset quality. At 
December 31, 2024, our equity to assets ratio was 11.36%, 
compared to 11.28% from the prior year. Our overall liquidity 
remains robust with access to the Federal Reserve Board’s 
discount window, cash and investments of $221.6 million, and 
additional borrowing capacity of $381.7 million on Federal 
Home Loan Bank advances at December 31, 2024. 
Middlefield’s long-standing track record of producing 
outstanding asset quality further supports our robust liquidity 
levels. At December 31, 2024, annual net charge-offs were just 
0.10% of average loans, compared to 0.00% at December 31, 
2023. Over the past ten years, Middlefield’s net charge-offs have 
averaged just 0.09% of total loans, demonstrating the long-term 
success of our lending culture and credit infrastructure.
Middlefield remains committed to returning excess capital back 
to its shareholders. Since 2018, we have repurchased over  
1.1 million shares of our common stock. This includes 43,858 
shares of stock purchased in 2024, at an average price of $24.00 
per share. In addition, since paying a dividend of $0.57 per 
share in 2019, our regular dividend has increased at a compound 
annual growth rate of 7.0% to end 2024 at $0.80 per share. 
Reflecting our confidence in the future, as well as our strong 
capital position and expanding levels of profitability, the Board 
approved a 5.0% increase in our regular quarterly dividend for 
the first quarter of 2025.
During 2024, we celebrated the 10th anniversary of Middlefield’s 
Nasdaq listing. Since listing on Nasdaq in 2014, Middlefield’s 
total assets have increased by 174%, and our annual net income 
has grown 116%. In addition, over this period, $100 invested  
in Middlefield’s stock has increased to $223, compared to 
$201 for the KBW Regional Banking Index, a well-followed 
bank index. This outperformance demonstrates the strong 
community banking franchise we have created and the success 
of our multi-year strategic plan. 
After navigating several 
years of rapid changes to the 
economy and interest rate 
environment, we are excited 
to focus more of our efforts 
on proactively serving our 
communities and building a 
solid foundation to further grow our Bank. We believe 2025 
will be another good year of profitable growth for Middlefield, 
reflecting our long-standing commitment to our communities, 
disciplined underwriting standards, and continued investments 
in our business.
As you can see, Middlefield has developed a long-standing 
track record of financial and operating success, supported by 
a highly profitable financial model, strong capital levels and 
asset quality, and community focused banking platform. In 
addition, we continue to invest in our business to strengthen our 
foundation. We believe these trends will support our business  
in 2025 and beyond, and I look forward to the opportunities  
in front of the Company to create value for our shareholders,  
as well as our Northeast, Central, and Western Ohio employees 
and communities. 
On behalf of everyone at the Middlefield Banc Corp., thank you 
for your continued support.
Sincerely, 
 
RONALD L. ZIMMERLY, JR. 
President and Chief Executive Officer

4  Middlefield Banc Corp. 2024 Summary Annual Report    
	
2016
	
$  29,994
	
4,190
	
25,804
	
570
	
25,234
	
3,959
	
20,872
	
8,32
	
1,905
	
$    6,416
	
$787,82
	
629,934
	
76,960
	
602,542
	
6,598
	
357
	
139
	
1
	
$      1.52
	
0.54
	
17.07
	
36.13
	
$   2,318
	
0.85
	
9.33
	
	
(Dollar amounts in thousands, except earnings per share data)	
2015	
2016	
2017
Interest income	
$  28,595	
$  29,994	
$     43,995
Interest expense	
3,820	
4,190	
6,647
Net interest income	
24,775	
25,804	
37,348
Provision for credit losses(1)	
315	
570	
1,045
Net interest income after provision for credit losses	
24,460	
25,234	
36,303
Noninterest income 	
4,044	
3,959	
4,859
Noninterest expense	
20,077	
20,872	
27,485
Income before income taxes	
8,427	
8,321	
13,677
Income taxes	
1,562	
1,905	
4,222
Net income	
$    6,865	
$    6,416	
$       9,455
Total assets	
$735,139	
$787,821	
$1,106,336
Deposits	
624,447	
629,934	
878,194
Equity capital	
62,304	
76,960	
119,863 
Loans outstanding, net	
527,325	
602,542	
916,023
Allowance for credit losses(1)	
6,385	
6,598	
7,190
Net charge-offs (recoveries)	
776	
357	
453
Full time employees (average equivalents)	
143	
139	
190
Number of offices	
10	
11	
14
Basic earnings per share	
$      1.71	
$      1.52	
$         1.56
Dividends per share	
0.54	
0.54	
0.54
Book value per share	
16.59	
17.07	
18.63
Dividends payout ratio	
30.90% 	
36.13%	
35.52%
Cash dividends paid	
$    2,153	
$   2,318	
$      3,358
Return on average assets	
0.97%	
0.85%	
0.88%
Return on average equity	
10.62% 	
9.33%	
8.52%
DECADE OF PROGRESS
(1) On January 1, 2023, we adopted ASU 2016-13, Financial Instruments—Credit Losses—Topic (326): Measurement of Credit Losses on Financial Instruments.	  
This methodology for calculating the allowance for credit losses considers the possibility of expected loss over the life of the loan. Prior to January 1, 
2023, the calculation of the allowance for loan losses was based on an incurred loan loss methodology.

 Middlefield Banc Corp. 2024 Summary Annual Report   5 
6	
2017	
2018	
2019	
2020	
2021	
2022		
           2023	
2024
4	
$     43,995	
$     50,357	
$     54,525 
0	
6,647	
9,909	
13,140
4	
37,348	
40,448	
41,385
0	
1,045	
840	
890
4	
36,303	
39,608	
40,495
9	
4,859	
3,728	
4,841
2	
27,485	
28,743	
30,033
1	
13,677	
14,593	
15,303
5	
4,222	
2,162	
2,592
6	
$       9,455	
$     12,431	
$     12,711
1	
$1,106,336	
$1,248,398	
$1,182,475
4	
878,194	
1,016,067	
1,020,843
0	
119,863	
128,290	
137,775
2	
916,023	
984,681	
977,490
8	
7,190	
7,428	
6,768
7	
453	
602	
1,550
9	
190	
200	
189
1	
14	
15	
16
2	
$         1.56	
$         1.92	
$         1.96
4	
0.54	
0.59	
0.57
7	
18.63	
19.77	
21.45
3%	
35.52%	
30.40%	
28.99%
8	
$      3,358	
$       3,779	
$       3,685
5%	
0.88%	
1.09%	
1.05%
3%	
8.52%	
9.94%	
9.35%
	
	
	
	
			
$     52,335 
4,195 
48,140 
700 
47,440 
7,249 
31,991 
22,698 
4,065 
$     18,633 
$1,331,006 
1,166,610
145,335
967,349
14,342
(183)
 185 
 16 
$         3.01 
 0.69 
 24.68 
22.76%
$       4,240 
1.36%
12.74%
$     54,906 
4,729 
50,177 
— 
50,177 
6,746 
38,030 
18,893 
3,220 
$     15,673 
$1,687,682 
1,402,019
197,691
1,338,434
14,438
(96)
 238 
 22 
$         2.60 
 0.81 
 23.98 
37.23%
$       5,490 
1.17%
11.25%
$     90,301 
25,098
65,203
3,002
62,201
6,691
48,137
20,755
3,387
$     17,368 
$1,822,883 
1,426,602 
205,681 
1,456,437 
21,693 
(31)
256 
23
$         2.14 
0.85
25.41
39.52%
$       6,864 
0.99%
8.83%
$    101,262 
40,582
60,680
2,008
58,672
7,213
47,541
18,344
2,825
$     15,519 
$1,853,359 
1,445,693 
210,562 
1,497,167 
22,447 
1,436
256 
23
$         1.93 
0.80
26.08
41.61%
$       6,457 
0.84%
7.48%
$     52,638 
9,250 
43,388 
9,840 
33,548 
5,990 
29,788 
9,750 
1,401 
$       8,349 
$1,391,979 
1,225,200
143,810
1,090,626
13,459
3,149 
 184 
 16 
$         1.31 
 0.60 
 21.86 
45.92%
$       3,834 
0.64%
6.07%

6  Middlefield Banc Corp. 2024 Summary Annual Report    
2023 
 
 $    56,397 
4,439 
60,836 
170,779 
955  
 
183,545 
401,580 
82,506 
328,854 
221,508 
127,818 
125,105 
7,214 
1,478,130 
21,693 
1,456,437 
21,339 
36,356 
6,642 
34,349  
35,190
$1,822,883 
 
$   401,384 
205,582 
274,682 
210,639 
334,315 
1,426,602 
163,000 
11,862 
15,738 
1,617,202 
 
 
161,388 
­—­
100,237 
(16,090)
(39,854)
205,681 
$1,822,883
CONSOLIDATED BALANCE SHEET
ASSETS
	 Cash and due from banks
	 Federal funds sold
	 	 Cash and cash equivalents	
	
	
	
	
	
	 Investment securities available for sale, at fair value	
	
	
	
	
	
	 Other investments	
	
	
	
	
	
	 Loans: 	
	
	
	
	
	 	 Commercial real estate:		
	
	
	
	
	 	 	 Owner occupied	
	
	
	
	
	
	 	 	 Non-owner occupied		
	
	
	
	
   		 	 Multifamily	 	
	
	
	
	
   		 Residential real estate	 	
	
	
	
	
	 	 Commercial and industrial
	 	 Home equity lines of credit
	 	 Construction and other
	 	 Consumer installment	 	
	
	
	
	
	 	 	 	 Total loans	
	
	
	
	
	
	 Less: allowance for credit losses	
	
	
	
	
	
	 	 	 	 Net loans	
	
	
	
	
	
	 Premises and equipment, net	
	
	
	
	
	 Goodwill	
	
	
	
	
	
	 Core deposit intangibles	 	
	
	
	
	
	 Bank-owned life insurance	
	
	
	
	
	 Accrued interest receivable and other assets	 	
	
	
	
	
	
	 	 	 	 TOTAL ASSETS	
	
	
	
	
LIABILITIES	
	
	
	
	
	
	 Deposits:	
	
	
	
	
	
	 	 Noninterest-bearing demand	
	
	
	
	
	
 
	 	 Interest-bearing demand	
	
	
	
	
	
	 	 Money market	
	
	
	
	
	
	 	 Savings	
	
	
	
	
	
	 	 Time	
	
	
	
	
	
	 	 	 	 Total deposits	
	
	
	
	
	
	 Federal Home Loan Bank advances		
	
	
	
	 Other borrowings	
	
	
	
	
	
	 Accrued interest payable and other liabilities		
	
	
	
	
	 	 	 	 TOTAL LIABILITIES	
	
	
	
	
STOCKHOLDERS’ EQUITY	 	
	
	
	
	
	 Common stock, no par value; 25,000,000 shares authorized, 9,953,018 and 9,930,704  
	 	 shares issued; 8,073,708 and 8,095,252 shares outstanding 	
	
	
	
	 Additional paid-in capital
	 Retained earnings	
	
	
	
	
	
	 Accumulated other comprehensive loss	
	
	
	
	
	
	 Treasury stock, at cost; 1,879,310 and 1,835,452 shares	 	
	
	
	
	
	 	 	 	 TOTAL STOCKHOLDERS’ EQUITY	
	
	
	
	
	
	 	 	 	 TOTAL LIABILITIES AND STOCKHOLDERS’ EQUITY	
	
	
	
	
	
See accompanying notes to the consolidated financial statements. 
(Dollar amounts in thousands, except shares)
2024 
 $    46,037 
 9,755 
 55,792 
 165,802 
 855 
 181,447 
 412,291 
 89,849 
 353,442 
 229,034 
 143,379 
 103,608 
 6,564 
 1,519,614 
 22,447 
 1,497,167 
 20,565 
 36,356 
 5,611 
 35,259  
 35,952 
 $1,853,359 
  
$    377,875 
 208,291 
 414,074 
 197,749 
 247,704 
 1,445,693 
 172,400 
 11,660 
 13,044 
 1,642,797 
161,999 
 246 
 109,299 
 (20,073)
 (40,909)
 210,562 
 $1,853,359 

 Middlefield Banc Corp. 2024 Summary Annual Report   7 
2024 
 
 $ 92,566 
 1,491 
 568 
 2,028 
 3,861 
 748 
 101,262 
 33,263 
 6,616 
 703 
 40,582 
 60,680 
 2,008 
 58,672 
 3,907 
 (9)
— 
 930 
 199 
 916 
 68 
 1,202 
 7,213 
 24,641 
 2,376 
 925 
 4,740 
 1,583 
 1,055 
 2,265 
1,581 
 200 
 1,031 
 99 
 ­—  
 7,045 
 47,541 
 18,344 
 2,825 
 $  15,519 
 $     1.93 
 1.92 
2023 
 
 $81,963 
1,289 
771 
1,893 
3,914 
471 
90,301 
18,995 
5,386 
717 
25,098 
65,203 
3,002 
62,201 
3,878 
(161)
(170)
823 
97 
743 
421 
1,060 
6,691 
24,511 
2,566 
1,241 
4,588 
1,578 
861 
2,293  
1,477 
95 
1,059 
510 
473 
6,885 
48,137 
20,755 
3,387 
$17,368 
 $    2.14 
 2.14
(Dollar amounts in thousands, except per share data)
CONSOLIDATED STATEMENT OF INCOME
INTEREST AND DIVIDEND INCOME	 	
	
	
	 Interest and fees on loans		
	
	
	 Interest-earning deposits in other institutions		
	
	
	 Federal funds sold	
	
	
	
	 Investment securities:	
	
	
	
	 	 Taxable interest	
	
	
	
	 	 Tax-exempt interest	
	
	
	
	 Dividends on stock	
	
	
	
	 	 	 Total interest and dividend income	
	
	
	
INTEREST EXPENSE	
	
	
	
	 Deposits	
	
	
	
	 Short-term borrowings	
	
	
	
	 Other borrowings	
	
	
	
	 	 Total interest expense	 	
	
	
NET INTEREST INCOME	
	
	
	
Provision for credit losses	
	
	
	
NET INTEREST INCOME AFTER PROVISION FOR CREDIT LOSSES	
	
	
	
NONINTEREST INCOME	
	
	
	
	 Service charges on deposit accounts
	 Loss on equity securities
	 Loss on other real estate owned
	 Earnings on bank-owned life insurance
	 Gain on sale of loans
	 Revenue from investment services
	 Gross rental income
	 Other income	
	
	
	
	 	 Total noninterest income	
	
	
	
NONINTEREST EXPENSE	
	
	
	
	 Salaries and employee benefits	
	
	
	
	 Occupancy expense	
	
	
	
	 Equipment expense	
	
	
	
	 Data processing and information technology costs	
	
	
	
	 Ohio state franchise tax	
	
	
	
	 Federal deposit insurance expense		
	
	
	 Professional fees	
	
	
	
	 Advertising expense	
	
	
	
	 Software amortization expense	
	
	
	
	 Core deposit intangible amortization	
	
	
	
	 Gross other real estate owned expenses	
	
	
	
	
	
	
	
	 Merger-related costs 
	 Other expense	 	
	
	
	 	 Total noninterest expense	
	
	
	
Income before income taxes		
	
	
Income taxes	
	
	
	
NET INCOME	
	
	
	
EARNINGS PER SHARE	
	
	
	
	 Basic	 	
	
	
	 Diluted	
	
	
	
See accompanying notes to the consolidated financial statements. 

MIDDLEFIELD 
BANC CORP.  
BOARD OF  
DIRECTORS
WILLIAM J. SKIDMORE   
2007
Chairman, Board of Directors
Middlefield Banc Corp.
The Middlefield Banking 
Company
Retired Ohio Senior District 
Manager
Waste Management of Ohio, Inc.
RONALD L. ZIMMERLY, JR.  
2022
President and  
Chief Executive Officer
Middlefield Banc Corp.
The Middlefield Banking 
Company
JAMES J. McCASKEY   
2004
Vice Chairman, Board of Directors 
Middlefield Banc Corp. 
The Middlefield Banking  
Company 
President
McCaskey Landscape and  
Design, LLC
CAROLYN J. TURK, C.P.A.   
2004
Retired Financial Executive
Molded Fiber Glass Companies
KENNETH E. JONES   
2008 
Retired Financial Executive 
Chesapeake Financial Advisors
DARRYL E. MAST   
2013
Retired: Hattie Larlham Care 
Group and Hattie Larlham 
Foundation
THOMAS W. BEVAN   
2017
Chief Executive Officer
Bevan & Associates, LPA, Inc.
8  Middlefield Banc Corp. 2024 Summary Annual Report    

Central Ohio Region  
Advisory Board:  
JEFFREY A. GONGWER;  
GEORGE J. KONTOGIANNIS, AIA; 
TIMOTHY C. LONG;  
MICHAEL J. MORAN
*Director of The Middlefield 
Banking Company
MICHAEL C. VOINOVICH  
2020
Executive Vice President and  
Chief Investment Officer of  
ECHO Health, Inc. 
THOMAS E. “TED” GRIFFITH*  
2022
Partner 
Powell Seeds, LLC
MARK R. WATKINS   
2022
Partner 
Watkins Farm
KEVIN A. DiGERONIMO   
2021
Principal
DiGeronimo Companies
THOMAS J. SIMON*   
2022
Chairman of the Board 
Coverlink Insurance
JENNIFER L. MOELLER   
2023
Angel Investor
SPENCER T. COHN   
2022
Director 
Castle Creek Capital LLC
  Middlefield Banc Corp. 2024 Summary Annual Report  9 

10  Middlefield Banc Corp. 2024 Summary Annual Report    
RONALD L. ZIMMERLY, JR. 
President and Chief Executive 
Officer
MICHAEL C. RANTTILA
Senior Vice President and Chief  
Financial Officer
JULIE E. SHAW
Corporate Secretary
THE MIDDLEFIELD  
BANKING COMPANY  
EXECUTIVE OFFICERS
THE MIDDLEFIELD  
BANKING COMPANY  
OFFICERS
MIDDLEFIELD  
BANC CORP.
OFFICERS
RONALD L. ZIMMERLY, JR. 1999 
President and Chief Executive Officer
COURTNEY M. ERMINIO 2010
Executive Vice President
Chief Risk Officer
REBECCA NOBLIT 2017 
Executive Vice President 
Chief Credit Officer
MICHAEL C. RANTTILA 2017
Executive Vice President
Chief Financial Officer 
THOMAS WILSON, CFA 2020
Executive Vice President
Chief Strategy and Innovation Officer
MICHAEL CHERAVITCH 2023 
Executive Vice President 
Chief Banking Officer
SARAH WINTERS 2023 
Executive Vice President  
Chief Human Resources Officer
PATRICIA ARNETT 1987
Senior Vice President
Treasury Management 
Director 
THOMAS R. NEIKIRK 1994
Senior Vice President
Commercial Relationship Manager
MATTHEW E. BELLIN 2006
Senior Vice President
Commercial Relationship Manager
ADAM T. COOK 2006
Senior Vice President
Project Manager
ANNA MARIA BRENNEMAN 2009 
Senior Vice President 
Senior Commercial Market Executive
FELICIA M. HOUGH 2009 
Senior Vice President
Branch Administration
VALERIE MULLHOLAND 2011
Senior Vice President
Loan Administration
LORI A. GRAHAM 2013
Senior Vice President
Compliance and CRA Officer
DANIEL B. PLANT 2014
Senior Vice President
Mortgage Lending
STANLEY GREGORIN, JR. 2018
Senior Vice President
Commercial Relationship Manager
GREG T. YURCO 2019
Senior Vice President
Commercial Relationship Manager
GARY C. KERN 2020
Senior Vice President
Chief Information Officer

 Middlefield Banc Corp. 2024 Summary Annual Report   11 
BRETT BAUMEISTER 2023
Senior Vice President  
Commercial Relationship Manager
JOSHUA RILEY 2023 
Senior Vice President  
Senior Commercial Market Executive
JULIE E. SHAW 2019
Executive Assistant
Corporate Secretary/Training and 
Development Coordinator 
BRETT A. RICHEY 2010
Vice President
Special Assets Manager
BRANDON BUCKNELL 2015
Vice President
Commercial Relationship Manager
JOHN SOLICH 2015
Vice President
Commercial Relationship Manager
AMANDA HOYT 2016
Vice President
Abrigo Product Owner
NICOLE MARCHIO 2017
Vice President
Deposit Operations Officer
MELISSA M. MAKI 2018
Vice President
Marketing Communications 
Director
KEVIN SERNA 2019
Vice President
Commercial Relationship Manager 
JAMESON CURRY 2023 
Vice President  
Commercial Relationship Manager
AIMEE GILLILAND 2023 
Vice President   
Treasury Management Sales Officer 
MARIA HYDELL 2024
Vice President   
Credit Manager
 
JODI DEARTH 2024 
Vice President 
Controller
MOLLY MILLER 2023  
Vice President   
Project Manager 
 
 
 
 
 
 
 
 
 
 
 
 
KIMBERLY SARK 2023  
Vice President   
Chief Accounting Officer 
 
PRESTON STAPLETON 2023 
Vice President   
Commercial Relationship Manager
GLEN GALLEBO 2024 
Vice President   
Commercial Relationship Manager
RACHEL DEAN 1985
Assistant Vice President
Regional Branch Administrator 
Northeast Ohio Region 
KATHLEEN M. VANEK 1998
Assistant Vice President
Mortgage and Consumer Loan 
Originator
MARLIN J. MOSCHELL 2000
Assistant Vice President
Lending Officer 
HEATHER ALTSTAETTER 2002
Assistant Vice President
Public Relations Manager
CORSIE ARN 2003
Assistant Vice President
Branch Operations Manager

12  Middlefield Banc Corp. 2024 Summary Annual Report    
THE MIDDLEFIELD  
BANKING COMPANY  
OFFICERS (continued)
KEVIN J. MITCHELL 2007 
Assistant Vice President
Lender II
MELISSA K. GAY 2008
Assistant Vice President
BSA Officer
JEAN M. CARTER 2009
Assistant Vice President
Branch Manager
KELLY HECKMAN 2009
Assistant Vice President
Compliance Assistant
DALE MOORE 2009  
Assistant Vice President
Project Manager and 
Bank Security Officer
DERRICK HAYNES 2011  
Assistant Vice President
Manager of Tech Support
LISABETH A. MULDOWNEY 2012 
Assistant Vice President
Market Manager/Portage County
JENNI UNDERWOOD 2013
Assistant Vice President
Mortgage Loan Operations Manager
STEPHEN J. LEBOLD 2014
Assistant Vice President
Branch Manager
COLLEEN PIRRMANN 2014
Assistant Vice President
Regional Branch Administrator 
Central Ohio Region
KIMBERLY UTTERBACK 2014
Assistant Vice President
Assistant Compliance Officer
ERNA LEAGAN-MABEL 2015
Assistant Vice President
Loan Servicing Manager
CORRINE MITCHELL 2016
Assistant Vice President
Regional Branch Administrator 
Western Ohio Region
LAURA STIMMEL 2017
Assistant Vice President
Branch Manager
CHRISTOPHER J. HESS 2018
Assistant Vice President
Branch Manager
NICHOLAS GRAND  2019
Assistant Vice President
Underwriting Manager
RYAN LANE 2019
Assistant Vice President
Mortgage and Consumer Lender
BRIAN MOORE 2019
Assistant Vice President
Mortgage and Consumer Lender
DAVID WILLOBY 2019
Assistant Vice President
Commercial Relationship Manager
MICHELLE WELCH 2021
Assistant Vice President
Human Resources Manager
DAMON YODER 2022
Assistant Vice President 
Senior Financial Analyst
JUSTIN FERGUSON 2021
Assistant Vice President
Loan Documentation Manager
DEANNA MOX 2025
Assistant Vice President
Branch Manager
KRISTINA STEPHENS 2006
Banking Officer
Account Processing Manager
MICHELLE BAHLEDA 2014
Banking Officer 
Mortgage Lender Officer III
JAMIE GENOVESE 2016
Banking Officer
Support Center Manager

10
YEAR
ON AUGUST 27, 2024, WE’RE THRILLED TO CELEBRATE A MAJOR 
MILESTONE AS WE RING THE NASDAQ BELL to mark the 10-year listing 
anniversary under our ticker symbol MBCN!
A huge thank you to our incredible team, valued clients, and dedicated 
shareholders who have supported us on this remarkable journey. Your 
trust and partnership have been key to our success, and we look forward 
to many more years of growth and innovation. Here’s to a decade of 
achievements and to the exciting future ahead.
Pictured from L to R: Thomas Wilson, Executive Vice President/Chief Strategy and Innovation 
Officer; William Skidmore, Chairman of the Board; Ronald L. Zimmerly Jr., President and  
Chief Executive Officer; Michael Ranttila, Executive Vice President/Chief Financial Officer
NASDAQ LISTING ANNIVERSARY
  Middlefield Banc Corp. 2024 Summary Annual Report  13 

KENTON
BELLEFONTAINE
MARYSVILLE
KENTON
BELLEFONTAINE
MARYSVILLE
COLUMBUS
FRANKLIN
DELAWARE
UNION
HARDIN
LOGAN
PLAIN 
ADA
BELLEFONTAINE
MARYSVILLE
KENTON
LOGAN
UNION
HARDIN
DUBLIN
POWELL
PLAIN CITY
WESTERVILLE
COLUMBUS
FRANKLIN
DELAWARE
SUNBURY
MARYSVILLE
14  Middlefield Banc Corp. 2024 Summary Annual Report    

 Middlefield Banc Corp. 2024 Summary Annual Report   15 
CLEVELAND
PORTAGE
TRUMBULL
ASHTABULA
GEAUGA
CORTLAND
GARRETTSVILLE
NEWBURY
SOLON
TWINSBURG
BEACHWOOD
ORWELL
CHARDON
MANTUA
PORTAGE
TRUMBULL
GEAUGA
ASHTABULA
MIDDLEFIELD
LAKE
MENTOR (LPO)
THE MIDDLEFIELD  
BANKING COMPANY  
LOCATIONS 
 

16  Middlefield Banc Corp. 2024 Summary Annual Report    
Administrative Offices 
15200 Madison Road  
Middlefield, Ohio 44062 
888.801.1666 
Ada Office 
118 South Main Street 
P.O. Box 135 
Ada, Ohio 45810 
419.634.5015 
Beachwood  
25201 Chagrin Boulevard 
Suite 120 
Beachwood, Ohio 44122 
216.359.5580 
Bellefontaine North Office 
1120 North Main Street 
P.O. Box 849 
Bellefontaine, Ohio 43311  
937.592.5688
Bellefontaine South Office 
1454 South Main Street 
P.O. Box 670 
Bellefontaine, Ohio 43311 
937.593.9694
Chardon  
348 Center Street 
P.O. Box 1078 
Chardon, Ohio 44024 
440.286.1222
Cortland  
3450 Niles-Cortland Road 
Cortland, Ohio 44410 
330.637.3208
Dublin  
6215 Perimeter Drive 
Dublin, Ohio 43017 
614.793.4631
Garrettsville  
8058 State Street 
Garrettsville, Ohio 44231 
330.527.2121
Kenton Office  
100 East Franklin Street 
P.O. Box 234 
Kenton, Ohio, 43326 
419.673.1217
Lake County Loan  
Production Office  
8373 Mentor Avenue 
Mentor, Ohio 44060 
440.632.8140
Mantua  
10691 Main Street 
Mantua, Ohio 44255 
330.274.0881
Marysville 
160 Coleman’s Crossing Boulevard 
Marysville, Ohio 43040 
937.642.0467
Middlefield Main  
15985 East High Street 
P.O. Box 35 
Middlefield, Ohio 44062 
440.632.8115
Middlefield West  
15545 West High Street 
P.O. Box 35 
Middlefield, Ohio 44062 
440.632.8113
Newbury  
11110 Kinsman Road 
Suite 1 
P.O. Box 208 
Newbury, Ohio 44065 
440.564.7000
Orwell  
30 South Maple Street 
P.O. Box 66 
Orwell, Ohio 44076 
440.437.7200
Plain City  
490 South Jefferson Avenue 
Plain City, Ohio 43064 
614.689.2622 
Powell  
10628 Sawmill Parkway 
Powell, Ohio, 43065 
614.392.5702 
Solon  
6134 Kruse Drive 
Solon, Ohio 44139 
440.542.3789 
Sunbury  
492 West Cherry Street 
Sunbury, Ohio 43074 
740.913.0632 
Twinsburg  
2351 Edison Boulevard 
P.O. Box 560 
Twinsburg, Ohio 44087 
330.425.3033
Westerville  
17 North State Street 
Westerville, Ohio 43081 
614.890.7832
 
THE MIDDLEFIELD BANKING COMPANY LOCATIONS 

As a community bank, The Middlefield 
Banking Company is strongly committed  
to making a positive impact in our 
communities through charitable giving, 
volunteerism, and support for non-profits 
and vital community organizations. 
Here’s a glimpse of the meaningful 
donations we proudly made in 2024, which 
have benefited over 320 organizations  
with total contributions reaching $320,000! 
Our team members generously volunteer 
their time, talent, and resources in  
leadership roles with over 30 organizations. 
These efforts amount to nearly 650 eligible 
hours of Community Reinvestment Act 
(CRA) service across Northeast, Central, 
and Western Ohio. We have dedicated 
almost half of those hours by partnering 
with Junior Achievement to help students 
in grades K-12 learn about financial 
literacy, entrepreneurship, and workplace 
readiness. Additional service hours were 
spent supporting the United Ways, special 
programs, schools, and other non-profits to 
provide basic needs such as food, clothing, 
and supplies.
2024 
Community Involvement
Top Gifts: 
· Schools and Universities: over $50,000
· United Way Organizations (Team Members + Corporate): almost 
$40,000 
· Financial Literacy Programs (Junior Achievement & EVERFI): over 
$35,000
· Chambers of Commerce: over $30,000
· The Salvation Army: over $14,000
· County Fairs/4-H Clubs: almost $13,000 (excludes any livestock sales)
Sample of Funded Organizations: 
· African American Wellness Agency (Northeast Region)
· Beatitudes Community Center (Western Region)
· Children’s Hunger Alliance (All Regions)
· EVERFI Financial Literacy (Central and Western Region)
· Fair Housing (Northeast & Central Region)
· Financial Empowerment (Northeast Region)
· Food Pantries (All Regions)
· Geauga Growth Partnership (Northeast Region)
· Geauga Park District (Northeast Region)
· Hattie Larlham Center for Children with Disabilities (Northeast and 
Central Region)
· Leadership Geauga County (Northeast Region)
· Logan County Community Improvement Corp (Western Region)
· Metzenbaum Sheltered Industries (Northeast Region)
· Next Step (Northeast Region)
· Ohio Cancer Research (All Regions) 
· Rotary and Kiwanis Clubs (All Regions)
· Women’s Recovery Center (Northeast Region)
· WomenSafe at the Green House (Northeast Region)
 
 Middlefield Banc Corp. 2024 Summary Annual Report   17 

Retail Team visited the Senior Citizens  
Conference, hosted by Ashtabula County  
Department of Job & Family Services. 
Teams at the Pelotonia Ride, raised funds for 
OSU’s Comprehensive Cancer Center.
MB sponsored the United Way of Hardin  
County Bourbon Disco Ball in Groovy 70s attire.
MB sponsored the Dublin Food Pantry event 
for the 2nd Annual Bounty at Bridge Park.
Bellefontaine’s Kelly Hoffman presented a 
check along with other sponsors for school 
lunches at Indian Lake Schools.
NEO Teams joined up with Junior Achievement 
of Greater Cleveland to teach financial literacy 
to Chardon students. 
Ada Team at “Re-Prom Party with a Purpose” 
raised funds for Beatitudes Community Center. 
Team joined United Way Services of Geauga 
County for their annual Day of Action at West 
Geauga Middle School. 
Western Team works the Popcorn Tent at the 
Hardin County Fair.
Marysville Team connects with businesses 
at an after-hours event hosted by the Union 
County Chamber.
Central Team attended Junior Achievement of  
Central Ohio’s Biztown event at Columbus  
City Schools.
Central and Western Teams at the Chad  
Flowers Memorial Golf Tournament to raise 
funds for a scholarship in his honor.
Community Involvement
18  Middlefield Banc Corp. 2024 Summary Annual Report    

Westerville Team booth at Uptown Fourth 
Friday provided giveaways for the July  
music festival.
Mantua Team at the Farmers & Makers Market 
at the Granary to greet members of the 
community.
Middlefield Team delivered items to the 
Geauga County Dog Shelter collected from our 
team and customers.
Risk Team visited WomenSafe with their  
collected Angel Tree Donations.
Garrettsville Team serves peach pie at the 
annual Peach Social and Car Cruise. 
Western Team delivered a $1,600 check to  
Wolf Creek Art Center in Kenton to repair the 
center’s water damage.
Plain City Team volunteered to serve breakfast 
at Daily Needs Assistance’s food pantry.
Central Team at the Need Knows No Season 
fundraiser for the Salvation Army featuring 
former NFL star Cardale Jones.
Newbury’s Brian Cain provided refreshments to 
workers restoring service lines after a tornado.
 Middlefield Banc Corp. 2024 Summary Annual Report   19 

20  Middlefield Banc Corp. 2024 Summary Annual Report    
I
R
S
P
I
T
Be Exceptional: Deliver high-quality service, exceed 
expectations, and create lasting positive impressions 
in every interaction.
Be Impactful: Contribute positively to our community, 
fostering purpose, and connections with all team 
members, customers, community members, 
and stakeholders.
Be Accountable: Uphold honesty and transparency, 
take responsibility for your actions, manage resources, 
and build trust and reliability.
Be Courteous: Treat others with kindness and grace, 
demonstrating that you value and respect their
perspectives and contributions. Cultivate an environment
where dignity, mutual respect, and appreciation thrive.
Be Proactive: Anticipate challenges and 
opportunities, take the lead in innovating and 
continuous improvement, and feel empowered 
to make a meaningful difference.
Be Collaborative: Harness the power of collaboration, 
work seamlessly together to achieve common goals, 
and support and celebrate each other’s success.
TEAMWORK
INITIATIVE
RESPECT
INTEGRITY
PURPOSE
SERVICE
OUR CORE VALUES

24  Middlefield Banc Corp. 2024 Summary Annual Report    
 
    HIGH  
    CLOSE
 
    LOW  
    CLOSE
CASH  
DIVIDENDS
PER SHARE
2024
First Quarter
$32.72
$22.99
$0.20
Second Quarter
$24.40
$20.66
$0.20
Third Quarter
$29.74
$21.75
$0.20
Fourth Quarter
$33.50
$27.16 
$0.20
2023
First Quarter
$29.43
$26.00
$0.20
Second Quarter
$ 29.24
$22.33
$0.20
Third Quarter
$ 30.20
$24.71
$0.20
Fourth Quarter
$ 36.70
$ 25.19 
$0.25
SHAREHOLDER INFORMATION
CORPORATE HEADQUARTERS 
Middlefield Banc Corp. 
15985 East High Street 
P.O. Box 35 
Middlefield, Ohio 44062 
888.801.1666 • 440.632.1666 
fax: 440.632.1700
FORM 10-K AND 10-Q AVAILABILITY 
A copy of Middlefield Banc Corp.’s 
Annual Report on Form 10-K and 
Quarterly Reports on 10-Q filed 
with the Securities and Exchange 
Commission will be furnished to any 
shareholder, free of charge, upon 
written or e-mail request to:
Michael Ranttila 
Executive Vice President and CFO 
Middlefield Banc Corp. 
P.O. Box 35 
Middlefield, Ohio 44062 
or mranttila@middlefieldbank.com
MARKET MAKER 
The symbol for Middlefield Banc 
Corp. common stock is MBCN and 
the CUSIP is 596304204.
Keefe, Bruyette & Woods 
800.342.5529 
www.kbw.com
NOTICE OF ANNUAL MEETING 
The 2025 Annual Meeting of  
Shareholders of Middlefield Banc 
Corp. will be held on Wednesday, 
May 14, 2025 at 1:00 p.m. Eastern 
Time. We have adopted a virtual 
format for our Annual Meeting.  
We will provide a live webcast  
of the Annual Meeting at  
www.meetnow.global/MFDL4CJ
You will need the control number 
located on your proxy card to 
participate.
TRANSFER AGENT AND REGISTRAR 
Computershare 
P.O. Box 505000  
Louisville, KY 40233-5000                                         
1.800.736.3001
INDEPENDENT AUDITORS 
S.R. Snodgrass, P.C. 
2009 Mackenzie Way, Suite 340 
Cranberry Township, PA 16066 
724.934.0344
INTERNET INFORMATION 
Information on the Company  
and its subsidiary bank is  
available on the Internet at  
www.middlefieldbank.bank.
DIVIDEND PAYMENT DATES 
Subject to action by the Board of 
Directors, Middlefield Banc Corp. 
will pay dividends in March, June, 
September, and December.
DIVIDEND REINVESTMENT AND  
STOCK PURCHASE PLAN 
Shareholders may elect to reinvest 
their dividends in additional shares 
of Middlefield Banc Corp.’s common 
stock through the Company’s 
Dividend Reinvestment Plan. To 
arrange automatic purchase of 
shares with quarterly dividend 
proceeds, please call 1.800.736.3001.
DIRECT DEPOSIT OF DIVIDENDS 
The direct deposit program, which 
is offered at no charge, provides 
for automatic deposit of quarterly 
dividends directly to a checking or 
savings account with The Middlefield 
Banking Company. For information 
regarding this program, please call 
888.801.1666.
RELATED STOCKHOLDER MATTERS 
Middlefield Banc Corp. had 1,118 
shareholders of record as of March 5, 
2025. Our common stock trades on 
the NASDAQ Capital Market under  
the ticker symbol MBCN. The table 
below shows the high and low bid 
prices and cash dividends paid on the 
Company’s common stock during the 
periods indicated. The high and low 
bid prices are compiled from data 
available through NASDAQ. This 
information does not reflect retail 
mark-up, markdowns or commissions, 
and does not necessarily represent 
actual transactions.

21  Middlefield Banc Corp. 2024 Summary Annual Report    
Middlefield Banc Corp.  
15985 East High Street, Middlefield, Ohio 44062  
888.801.1666 
www.middlefieldbank.bank