Sierra Bancorp BSRR

Kevin J. McPhaill has been a director of the Boards since January 1, 2015, and was appointed President and Chief Executive Officer of the Company and the Bank effective April 1, 2015. Mr. McPhaill is a native and current resident of Visalia, California, and his educational background includes a bachelor's degree from Fresno Pacific University, a master's degree in business administration from Fresno State, and the successful completion of post-graduate training at the Southwestern Graduate School of Banking at Southern Methodist University. He has been employed by Bank of the Sierra since June 2001, starting as the regional manager of the Hanford area, then progressing to Executive Vice President and Chief Banking Officer of the Company and the Bank in 2006, to President and Chief Operating Officer of the Company and the Bank in 2014, and to his current positions on April 1, 2015. Mr. McPhaill serves as a member of the Risk, Credit, and Finance and Sustainability Committees. Mr. McPhaill is involved in the local community and is active in financial education outreach efforts to primary and secondary schools in the Bank's market areas. Mr. McPhaill also sits on the Tulare County Economic Development Corporation's Board of Directors.

On December 18, 2014, Sierra Bancorp, the holding company for Bank of the Sierra, announced Michael Olague will assume the position of Executive Vice President, Chief Banking Officer of Sierra Bancorp and the Bank, on January 1, 2015. He has 37 years of banking experience, and has been a senior vice president and manager of Bank of the Sierra's Bakersfield/Delano area since November of 2009. Prior to this promotion, Olague held the position of Senior Vice President and Area Manager for Bank of the Sierra's Bakersfield and Delano markets. Olague is a graduate of California State University Bakersfield and completed Graduate Banking School at the University of Virginia. As an active member of the Bakersfield community, Olague currently sits on the boards of the Boys and Girls Club, San Joaquin Hospital Foundation, Kern County Cancer Fund, Mid-State Development Corporation, and the CSUB Business School Advisory Board.

Christopher Treece, age 57, Executive Vice President & Chief Financial Officer will also assume the role of Chief Operations Officer. Mr. Treece has served as Executive Vice President and Chief Financial Officer of the Company since January 2020. Christopher Treece, Executive Vice President & Chief Financial Officer will assume the role of Principal Accounting Officer effective January 5, 2026. Mr. Treece has served as Executive Vice President & Chief Financial Officer of the Company and Bank since January 2020. On November 18, 2019, Sierra Bancorp and its wholly-owned subsidiary, Bank of the Sierra announced that Christopher G. Treece appointed as Executive Vice President and Chief Financial Officer effective January 1, 2020. Mr. Treece, currently 50 years old, is a CPA and holds a Master of Accountancy degree from Truman State University in Missouri. He began his career working for a large public accounting firm with a focus on financial institutions, and most recently has been the Chief Financial Officer at Gateway First Bank/Gateway Mortgage Group, LLC since January 2019. Prior to Gateway he served almost 12 years at Guaranty Bancorp and its subsidiary Guaranty Bank & Trust Company, a $4 billion financial institution headquartered in Denver, Colorado. At Guaranty he was the Senior Vice President and Controller from April 2007 until July 2011, and the Executive Vice President and Chief Financial Officer from July 2011 until Guaranty's acquisition by Independent Bank Group in January 2019.

Mr. Boyle joined the Company on December 14, 2020, and was appointed Executive Vice President and Chief Credit Officer of the Bank and the Company as of that date. Prior to joining the Bank and the Company, Mr. Boyle served as Chief Credit Officer and Chief Risk Officer for Banc of California in Santa Ana from 2013 to 2019. As disclosed when Mr. Boyle joined the Company and Bank of the Sierra in December 2020, Mr. Boyle, currently 61 years old, holds both a Master of Science and Bachelor of Science degree from Pennsylvania State University. Prior to serving the Company and Bank of the Sierra, Mr. Boyle was the Chief Risk Officer and Chief Credit Officer for Banc of California in Santa Ana, California, positions he held from 2013 to 2019. Prior to Banc of California, he spent 29 years primarily serving in a credit or risk position for a variety of financial institutions including Goldman Sachs & Co., Lehman Brothers, Inc., Washington Mutual, Inc., Canadian Imperial Bank of Commerce, and Flagstar Bank. Hugh Boyle, who had been serving as both Chief Credit Officer and Chief Risk Officer, will relinquish his role as Chief Risk Officer on September 20, 2023, continuing with the Company as its Executive Vice President and Chief Credit Officer.

On August 30, 2023, Sierra Bancorp and its wholly-owned subsidiary, Bank of the Sierra, announced that Natalia Coen was appointed as Executive Vice President and Chief Risk Officer effective September 20, 2023. Ms. Coen, currently 55 years old, holds both a Master of Arts - International Policy Studies (economics) from Middelbury Institute of International Studies at Monterey and a Bachelor of Arts - Economics degree from University of Texas at Austin. Most recently, Ms. Coen was the Chief Risk Officer and Chief Compliance Officer for Gateway First Bank, Jenks, Oklahoma, a position she held from 2022 to present, and Chief Compliance Officer for Gateway First Bank from 2019 to 2022. Prior to Gateway First Bank, she spent 14 years in risk and compliance positions, culminating as SVP, Director of Compliance / Compliance Officer for Cobiz Financial, Denver, Colorado, from 2005 to 2019.

Morris A. Tharp has served as Chair of the Board of the Bank and of Sierra Bancorp since their formations in 1977 and 2000, respectively. He also serves as Chair of the Governance Committee and has served on the Audit Committee and Compensation Committee for many years. Mr. Tharp is a native of Porterville and following his schooling, joined his father in the family business of E.M. Tharp, Inc. Over the years, he purchased the family business and recently sold the business in late 2025. For multiple years he has been very involved in community activities.

Julie G. Castle joined the Boards on December 17, 2020. Ms. Castle currently serves as Audit Committee Chair and serves on the Compensation and Governance Committees. Ms. Castle's career has included over 35 years of financial services experience, including 11 years in the roles of President and/or CEO and 10 years of board service for a variety of companies. Most recently, Ms. Castle served as President, Chief Banking Officer, and Board Member for Rabobank, N.A., a $15 billion national bank. She has also served as a board member of First Interstate Bank, Zions Trust, N.A., the Pacific Coast Banking School, and various non-profit boards. She has held leadership and executive roles at institutions of various sizes, including Bank of America, First Interstate Bank, Zions Bancorporation, and Cannon Financial Institute. Ms. Castle earned a B.S. degree from UC Davis and a Graduate Degree of Banking at the University of Washington's Pacific Coast Banking School.

Albert L. Berra has been a director of the Boards since their formations. He has served on numerous committees of the Bank and the Company throughout that time and is currently a member of the Compensation, Audit, and Governance Committees. A native of Porterville, Dr. Berra attended the University of California, Berkeley, after high school and went on to St. Louis University to complete his dental and orthodontic training. After service in the U.S. Army, Dr. Berra returned to Porterville to establish his orthodontic practice, which he operated continuously since his return until he retired and sold his practice in 2014. He runs a local farming operation and is involved in many community activities.

James C. Holly is a founding Director and Vice Chair of the Board of both the Bank and Sierra Bancorp and currently serves as a member of the Finance and Sustainability and Credit Committees. He served as President and Chief Executive Officer of the Bank and Sierra Bancorp from their formations in 1977 and 2000, respectively, until January 1, 2014, when Mr. McPhaill was appointed President and Chief Operating Officer of both entities. Mr. Holly continued to serve as Chief Executive Officer of both entities until he retired on March 31, 2015, and was appointed Vice Chair of the Board effective April 1, 2015. He was born and raised in Racine, Wisconsin, and received both a BBA and an MBA degree from the University of Wisconsin. Mr. Holly is also a graduate of the Southwestern Graduate School of Banking at Southern Methodist University and served as a Commissioned Officer in the U.S. Army (Armor). He began his banking career with United California Bank, now Wells Fargo Bank. After 10 years as a branch manager, Mr. Holly left United California Bank and joined in the effort to organize Bank of the Sierra of which he served as President and Chief Executive Officer from its inception in 1977 until January 1, 2014, and served as Chief Executive Officer until his retirement in March 2015. He is currently a director of the Sequoia Parks Conservancy, a philanthropic and educational organization, and a director of River Island Country Club.

Lynda B. Scearcy has been a director of the Boards since December 2007. She has been a valuable member of the Audit Committee since that time and is currently designated as an audit committee financial expert, while also chairing the Risk Committee. Ms. Scearcy also serves on the Governance Committee. Scearcy received her undergraduate degree from the University of Florida and her master's degree in taxation from San Joaquin College of Law. Ms. Scearcy is a retired tax professional who was previously the tax partner at McKinley Scearcy Associates, an accounting and consulting firm which she joined in 1983. McKinley Scearcy Associates sold to H&R Block in November 2014, and Ms. Scearcy retired from the firm in September 2017. She is deeply committed to the community, as demonstrated by her involvement with, among others, the Rotary Club of Porterville (Past President), Porterville Chamber of Commerce (Past Treasurer), Tule River Economic Development Corporation (Past Treasurer), and Tulare County Office of Education Foundation (Past Board Member).

Susan M. Abundis joined the Boards on December 17, 2020. Ms. Abundis serves as Chair of the Board Credit Committee and on both the Compensation and Governance Committees. Ms. Abundis has 40 years of banking experience and is currently on the Board of Trustees at Community Medical Center, California Health Sciences University, and Tesoro Viejo Conservancy. Most recently, she was Chief Operating Officer at Wellness Clinic at California Health Sciences University in Clovis. Her last banking role was as Managing Director-Division Credit Manager at Bank of the West-BNP, where she started as an Area Manager and Senior Vice President. Ms. Abundis also held several positions at Bank of America culminating in her position as Market President, Area Manager and Senior Vice President. Originally from Chowchilla, she currently resides in Fresno, earned her bachelor's degree at California State University, Fresno (CSUF), and a Graduate Degree of Banking at the University of Washington's Pacific Coast Banking School. Among her many professional awards, Ms. Abundis was named Woman of the Year by both Soroptimist of Ventura and Girl Scouts of America-Tres Condados of Ventura County, Common Threads Award from Ag One at CSUF, Women Worth Watching 2014, and the Marjoree Mason Center's list of Top Ten Women of the Year.

Vonn R. Christenson was appointed to the Boards effective September 15, 2016. Mr. Christenson currently serves as Chair of the Finance and Sustainability Committee and serves on the Compensation and Governance Committees. Mr. Christenson graduated from Brigham Young University with honors in 2003 and earned his J.D. at Harvard Law School in 2006. After working for a time as an attorney in Orange County, California, Mr. Christenson joined the Christenson Law Firm in Porterville, California, specializing in business and contract disputes, personal injury, and intellectual property litigation. Mr. Christenson is also the CEO and Co-Founder of Zero Nox, Inc., which provides a platform for clean energy technologies to come to market, specializing in microgrids and electric powertrain solutions for off-highway vehicles. He currently resides in Porterville and is actively involved in the community, including the Porterville Optimist Club, and the Porterville Unified School District Academy of Law, Justice & Ethics Advisory Board.

Michele M. Gil (Andujo) was elected as a director May 25, 2022. Ms. Gil currently serves as Chair of the Compensation Committee and serves on the Risk, Governance, and Finance and Sustainability Committees. Ms. Gil is Managing Partner and majority equity owner with more than 20 years of recruiting and management experience at the Los Angeles-based Chrisman & Company, a national executive search consultancy to financial and related industries. She leads the firm's board of directors practice and also conducts searches for senior/executive management positions, including C-level positions, for prominent clients in banking and financial services. Clients include regional and community banks, investment banks, wealth management firms, fintechs, credit unions, and other sectors in the financial services industry. Ms. Gil has experience working with bank regulatory agencies (FDIC, OCC, Federal Reserve and DFPI). She consults with boards of directors and executive teams on issues concerning succession planning, leadership development, and human capital strategies. Ms. Gil holds a Bachelor of Science degree from the University of Southern California. She has served on the Diversity & Inclusion Advisory Committee and the Women in Banking Committee for the Western Bankers Association and has been a guest speaker to financial institutions and banking associations. She currently serves as a board member of the International Bankers Association of California.

Ermina Karim has been a director since May 25, 2022. Ms. Karim currently serves as a member of the Risk, Governance, and Credit Committees. Ms. Karim holds a Bachelor of Science degree in Journalism and Economics from Northwestern University. She has worked in numerous industries including journalism, finance, and not-for-profits, with roles such as reporter, editor, Vice President of equity capital markets, and CEO. Ms. Karim has experience with several companies ranging in size and complexity, including International Financing Review, Credit Suisse, The Tribune, and the San Luis Obispo Chamber of Commerce. In addition to her vocational background, Ms. Karim serves on a number of boards including President's Local Economic Development Council Cal Poly, French Hospital Medical Center, and REACH (Regional Economic Action Coalition Central Coast of California), among others. Ms. Karim has lived and worked in San Luis Obispo for several years and was recognized as a Top 20 Under 40 by the San Luis Obispo Tribune, 40 Under 40 by the Pacific Coast Business Times, and Top Women in Business by the Pacific Coast Business Times.

Laurence S. Dutto, Ph.D., was appointed to the Boards effective September 15, 2016. Dr. Dutto currently serves on the Risk, Governance, and Finance and Sustainability Committees. Dr. Dutto, a resident of Visalia, California, is a retired college administrator with extensive agricultural experience. His decorated 30-year career at College of the Sequoias in Visalia, California, includes service as Provost of the Tulare College Center, Dean of Academic Services, Dean of Technical Education, Agriculture Division Chair, and Faculty Academic Senate President. His prior experience includes 15 years working on his family's dairy farm, and he currently is in a partnership with his sister growing almonds.

On April 17, 2026, Marc Wolfe was appointed Principal Accounting Officer of the Company. Mr. Wolfe, currently 35 years old, holds both a Bachelor of Business Administration and a Master of Business Administration from National University. Mr. Wolfe has been with the Company since September 2015, serving in roles of increasing responsibility within accounting and finance, including Assistant Controller and Financial Reporting Officer. On January 1, 2026, Mr. Wolfe was promoted to Senior Vice President and Corporate Controller.

Mr. Dusi was appointed Head of Commercial Banking of the Bank and the Company effective February 15, 2024. He previously served as Market President - Agricultural Lending for the Bank and Company from November 2021 through February of 2024. Prior to joining Bank of the Sierra, he served as Senior Vice President/Sector Manager for Wells Fargo in their Ag Industries Group from April of 2016 to November of 2021.