1. THE BUSINESS OF PLUMAS BANCORP

During 2002, Plumas Bancorp (the "Company") was incorporated as a bank holding company for the purpose of acquiring Plumas Bank (the "Bank") in a one bank holding company reorganization. This corporate structure gives the Company and the Bank greater flexibility in terms of operation, expansion and diversification. Plumas Bancorp's Principal Executive Office is located in Reno, Nevada.

The Bank operates thirteen branches in California, including branches in Alturas, Chester, Chico, Fall River Mills, Greenville, Kings Beach, Portola, Quincy, Redding, Susanville, Tahoe City, Truckee and Yuba City. The Bank's newest branch was opened in April 2023 and is located in Chico, California. The Bank’s administrative headquarters are in Quincy, California. 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. In addition, the Bank operates a lending office specializing in government-guaranteed lending in Auburn, California, and a commercial/agricultural lending office in Klamath Falls, Oregon. The Bank's primary source of revenue is generated from providing loans to customers who are predominately small and middle market businesses and individuals residing in the surrounding areas.  On July 1, 2025, the Company completed its acquisition of Cornerstone Community Bancorp increasing its branch network in California by four branches: one in Anderson, one in Red Bluff and two in Redding. With this acquisition the Bank now operates a total of nineteen branches.