Summit State Bank : Promotes Genie Del Secco to Executive Vice President & Chief Operating Officer

FOR IMMEDIATE RELEASE

Jim Brush

President and CEO Summit State Bank PO Box 6188

Santa Rosa, CA 95406 [phone]

Summit State Bank announces the promotion of Genie Del Secco to Chief Operating Officer

Santa Rosa, CA - (January 2, 2018) - Jim Brush, President and Chief Executive Officer of Summit State Bank (NASDAQ: SSBI) has announced the promotion of Genie Del Secco to Executive Vice President & Chief Operating Officer. Del Secco replaces longtime employee and Chief Operating Officer, Linda Bertauche, who retired at the end-of-the year.

"We are fortunate to have her leadership, knowledge and expertise as she manages critical functions within the Bank which include branch administration, regulatory compliance and risk management, central services and marketing. Genie's expertise will be beneficial in supporting the Bank's initiative to grow. We are well positioned to do so by promoting the internal talent we have been fortunate to attract," said Jim Brush, President and CEO of Summit State Bank.

Genie joined the Bank in August 2015 with more than 25 years of banking experience in Sonoma County. Genie has lived in Sonoma County most of her life and raised her three adult daughters here. In her free time, Genie enjoys camping, gardening and spending time with her family and friends.

About Summit State Bank

Summit State Bank, a local community bank, has total assets of $539 million and total equity of $60 million at September 30, 2017. Headquartered in Sonoma County, the Bank specializes in providing exceptional customer service and customized financial solutions to aid in the success of local small businesses and nonprofits throughout Sonoma County.

Summit State Bank is committed to embracing the diverse backgrounds, cultures and talents of its employees to create high performance and support the evolving needs of its customers and community it serves. At the center of diversity is inclusion, collaboration, and a shared vision for delivering superior service and results for shareholders. Presently, 78% of management are women and minorities with 40% represented on the Executive Management Team. Through the engagement of its team, Summit State Bank has received many esteemed awards to include: Best Business Bank, Best Company to do Business with in Sonoma County, and Best Places to Work in the North Bay. Summit State Bank's stock is traded on the Nasdaq Global Market under the symbol SSBI. Further information can be found atwww.summitstatebank.com.

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