Business Description

The Company . Plumas Bancorp is a bank holding company headquartered in Reno, Nevada. Substantially all of the Company's operations are conducted through its subsidiary, Plumas Bank, which is also the principal source of the Company’s revenue. At December 31, 2025, the Company had consolidated assets of $2.2 billion, deposits of $1.8 billion, other liabilities of $168 million and shareholders’ equity of $261 million. The Company’s other liabilities include $21 million in borrowings, $29 million in lease liabilities and $98 million in repurchase agreements. These items are described in detail later in this Form 10-K. The Company is a California corporation incorporated in 2002 for the purpose of becoming the holding company for the Bank, which it acquired in a bank holding company reorganization the same year. Our common stock trades on the Nasdaq Stock Market under the symbol “PLBC.” We file annual, quarterly, and other reports required under the Securities Exchange Act of 1934 with the Securities and Exchange Commission (the “SEC”). These reports are available at no cost on our website, www.plumasbank.com , as soon as reasonably practicable after filing with the SEC. These reports are also available through the SEC’s website at www.sec.gov . The address of our headquarters is 5525 Kietzke Lane, Suite 100, Reno, Nevada, 89511. The Bank. The Bank is a California state-chartered bank that was incorporated and commenced business in 1980. The Bank’s deposit accounts are insured by the Federal Deposit Insurance Corporation (the “FDIC”) up to applicable legal limits. The Bank is a member of the Federal Reserve System. At December 31, 2025, the Bank had approximately $2.2 billion in assets, $1.5 billion in net loans and $1.8 billion in deposits (including deposits of $9.4 million from the Company), other liabilities of $146 million and shareholders’ equity of $273 million. The Bank’s other liabilities include $29 million in lease liabilities and $98 million in repurchase agreements. It is currently the largest bank headquartered in Plumas County, California. The Bank’s operations are conducted through its administrative office in Quincy, California. The Bank primarily generates revenue from loans and investment securities in its portfolio and, to a lesser extent, service fees. With a predominant focus on personal service, the Bank positions itself as a multi-community independent bank serving the financial needs of individuals and businesses within the Bank’s geographic footprint. The Bank’s primary business is servicing the banking needs of these communities. Our business has a modest seasonal component due to the heavy agricultural and tourism orientation of some of the communities we serve. Our Markets The Bank’s primary service area covers the Northeastern portion of California, with Lake Tahoe to the south and the Oregon border to the north, and the Northwestern portion of Nevada. The Bank operates seventeen branches in California, including branches in Alturas, Anderson, Chester, Chico, Fall River Mills, Greenville, Kings Beach, Portola, Quincy, Red Bluff, Redding, Susanville, Tahoe City, Truckee and Yuba City. On July 1, 2025, we acquired our Anderson and Red Bluff branches and two branches in Redding with the acquisition of Cornerstone Community Bank ("Cornerstone"). In December 2015 the Bank opened a branch in Reno, Nevada, its first branch outside of California, and in 2018 the Bank purchased a branch located in Carson City, Nevada. The Bank maintains 23 automated teller machines (“ATMs”) tied in with major statewide and national networks. In addition to its branch network, the Bank operates a lending office specializing in government-guaranteed lending in Auburn, California with an additional lending officer in Southern California, a lending officer in Chandler, Arizona and a commercial/agricultural lending office located in Klamath Falls, Oregon. The Bank’s primary business is servicing the banking needs of these communities. Its marketing strategy emphasizes its local ownership and commitment to serve the banking needs of individuals living and working in the Bank’s primary service areas. Strategy The Bank’s marketing strategy emphasizes its local ownership and management and commitment to serve the banking needs of individuals living and working in the Bank’s primary service areas. Our strategy is to counter rising