Exhibit 99.1

California BanCorp Reports Financial Results for the Second Quarter and Six Months Ended June 30, 2020

Oakland, Calif., July 28, 2020 – California BanCorp (the “Company”) (Nasdaq: CALB), the parent company of California Bank of Commerce (the “Bank”), today announced its financial results for the second quarter and six months ended June 30, 2020.

Net income was $1.55 million for the second quarter of 2020, representing an increase of $1.1 million or 228% compared to $473 thousand for the first quarter of 2020 and a decrease of $1.0 million or 39% compared to $2.55 million in the second quarter of 2019. For the six months ended June 30, 2020, net income was $2.02 million representing a decrease of $2.4 million or 54% compared to $4.42 million for the same period in 2019.

Per share earnings of $0.19 for the second quarter of 2020 compared to $0.06 for the first quarter of 2020 and $0.31 in the second quarter of 2019. For the six months ended June 30, 2020, per share earnings of $0.25 compared to $0.54 for the same period in 2019.

“Despite the challenges presented by the COVID-19 pandemic, we had an extraordinarily productive quarter and were able to support our clients by providing access to the Paycheck Protection Program (PPP) and offering temporary loan payment relief,” said Steven Shelton, President and CEO of California BanCorp. “Through our efforts in the PPP program, we significantly expanded our client base and have already seen a positive impact on loan production and deposit flows from these new clients outside of the balances related to their PPP funding. To date, we have not seen the crisis have a significant impact on our client base, as our non-performing assets declined from the prior quarter and only a small percentage of borrowers indicate they will require an extension of their loan deferral. We are seeing positive trends in our loan pipeline and we believe that we are well positioned to realize more operating leverage going forward as we continue to grow our balance sheet, excluding the impact of PPP loans.”

“While our asset quality remains strong, we continue to build our level of reserves given the uncertainty about the duration of the crisis,” said Thomas A. Sa, Senior Executive Vice President, Chief Financial Officer and Chief Operating Officer of California BanCorp. “Excluding PPP loans, our allowance for loan losses increased to 1.35% of total loans from 1.19% at the end of the prior quarter. Given our high level of reserves and strong capital and liquidity positions, we believe we are well prepared to continue supporting our clients during this period of economic weakness.”

Highlights:

Three months ended June 30, 2020 compared to March 31, 2020

Six months ended June 30, 2020 compared to June 30, 2019

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Financial Position

June 30, 2020 compared to March 31, 2020

Impact of and Response to the COVID-19 Pandemic

In response to the rapidly evolving COVID-19 pandemic, the Company focused first on the well-being of its people, customers and communities. Preventative health measures were put in place including elimination of business related travel requirements, mandatory work from home for all employees able to do so, social distancing precautions for all employees in the office and customers visiting branches, and preventative cleaning at offices and branches.

The Company also focused on business continuity measures including monitoring potential business interruptions, making improvements to our remote working technology, and conducting regular discussions with our technology vendors to ensure full functionality throughout this event.

The Company has also taken measures to both support customers affected by the pandemic and to maintain strong asset quality, including:

Specific impacts of the Covid-19 macroeconomic environment on our operating results for the second quarter of 2020 include the following:

Balance Sheet

Total assets reached a record $1.91 billion as of June 30, 2020, an increase of $702.9 million, or 58%, compared to $1.21 billion at March 31, 2020 and $851.0 million, or 80% compared to $1.06 billion at June 30, 2019. Growth in total assets was the result of originating $361.6 million of loans for clients under the PPP and using $332.7 million of borrowing under the PPPLF to largely match fund PPP loans.

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Total loans increased by $330.5 million, or 34% to $1.30 billion at June 30, 2020, from $968.9 million at March 31, 2020 and $390.1 million, or 43% compared to $909.4 million at June 30, 2019. Loan growth in the second quarter of 2020 compared to the first quarter of 2020 and the same period last year was primarily due to the loans funded under the PPP. During the quarter, growth in commercial real estate loans and construction loans of $12.2 million and $7.8 million, respectively, was offset by a decrease in commercial loans of $50.4 million. The decrease in commercial loans was primarily due to reduced line utilization. Utilization rates on lines of credit declined to 24% at June 30, 2020 from 38% at March 31, 2020 and 34% at June 30, 2019, representing decreases of $59.7 million and $41.1 million, respectively. Year-over-year loan growth included increases in commercial real estate loans and construction loans of $31.8 million and $18.9 million, respectively, offset by a decrease in commercial loans of $22.3 million.

Total deposits increased by $356.8 million, or 35% to $1.39 billion at June 30, 2020, from $1.03 billion at March 31, 2020 and $503.5 million, or 57% over $882.2 million at June 30, 2019. Deposit growth in the second quarter of 2020 compared to the first quarter of 2020 and the same period last year was primarily concentrated in noninterest-bearing demand deposits as the result of funding PPP loans. Deposits generated from loans originated under the PPP were approximately $299.3 million at June 30, 2020. Non-interest bearing deposits, primarily commercial business operating accounts, represented 46.4% of total deposits at June 30, 2020, compared to 39.2% at March 31, 2020 and 37.3% at June 30, 2019.

Borrowings of $364.7 million at June 30, 2020 compared to $22.0 million at March 31, 2020 and $30.0 million at June 30, 2019. The increase in borrowing represented draws under the Fed’s PPPLF secured by PPP loans.

Total shareholder’s equity increased $2.5 million, or 2%, to $133.7 million from $131.2 million at March 31, 2020 and $126.6 million at June 30, 2019. The increases are primarily attributed to retention of earnings. Tangible book value per common share increased to $15.51 at June 30, 2020 from $15.22 at March 31, 2020, and $14.80 at June 30, 2019.

Asset Quality

The provision for credit losses increased to $2.9 million for the second quarter of 2020, compared to $400 thousand for the first quarter of 2020 and $246 thousand for the second quarter of 2019. Net loan (recoveries) charge-offs in the second quarter 2020 were $2.0 million, or 0.61% of average loans (annualized), compared to net recoveries of $(90) thousand, or (0.06)%, in the first quarter 2020 and net charge-offs of $5 thousand, or 0.00%, in the second quarter 2019.

Non-performing assets (“NPAs”) to total assets of 0.07% at June 30, 2020, compared to 0.22% at March 31, 2020 and 0.63% at June 30, 2019, with non-performing loans of $1.2 million, $2.7 million and $6.6 million, respectively, on those dates. The decrease in NPA’s at June 30, 2020 compared to the prior quarter primarily related to the charge-off of one commercial loan that was placed on nonaccrual in the second quarter of 2019.

The allowance for loan losses increased by $959 thousand, or 8% to $12.5 million, or 0.96% of total loans at June 30, 2020, compared to $11.6 million, or 1.19% at March 31, 2020 and $11.5 million, or 1.26% of total loans at June 30, 2019. The decrease in the allowance percentage in the quarter ended June 30, 2020 reflects the impact of PPP loans, which are guaranteed by the SBA. The percentage excluding PPP loans was 1.35%.

Net Interest Income and Margin – three and six months ended June 30, 2020 and June 30, 2019.

Net interest income for the quarter ended June 30, 2020 was $10.8 million, an increase of $603 thousand or 6%, over $10.2 million for the three months ended March 31, 2020, and an increase of $701 thousand, or 7%, over $10.1 million for the quarter ended June 30, 2019. The increase in net interest income compared to the prior quarter of 2020 was primarily attributable to an increase in interest income as the result of amortization of loan fees collected on PPP loans, offset by lower yields on earning assets resulting from a decline in short-term interest rates and higher liquidity. In addition to the impact of PPP, the increase in net interest income compared to the second quarter of 2019 was due to an increase in the volume of average earning assets.

Net interest income for the six months ended June 30, 2020 was $21.0 million, an increase of $1.0 million or 5% over $19.9 million for the six months ended June 30, 2019. The increase in net interest income compared to the first six months of 2019 was primarily attributable to an increase in interest income as the result of amortization of loan fees collected on PPP loans, and an increase in the volume of average earning assets offset by lower yields on earning assets resulting from a decline in short-term interest rates and higher liquidity.

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The Company’s net interest margin for the quarter was 2.59% compared to 3.80% for the prior quarter in 2020 and 4.18% for the same period in 2019. The decrease in margin compared to the prior quarter and the same period last year was primarily the result of the impact of PPP loans funded in addition to a decrease in short-term interest rates.

Non-Interest Income – three and six months ended June 30, 2020 and June 30, 2019.

The Company’s non-interest income for the quarters ended June 30, 2020, March 31, 2020, and June 30, 2019 was $777 thousand, $1.2 million and $976 thousand, respectively. The decrease in noninterest income was primarily related to a decrease in loan related fees.

For the six months ended June 30, 2020, non-interest income of $2.1 million represented an increase over $1.8 million for the first six months of 2019. The increase was primarily due to an increase in loan related fees and other ancillary fees.

Non-Interest Expense – three and six months ended June 30, 2020 and June 30, 2019.

The Company’s non-interest expense for the quarters ended June 30, 2020, March 31, 2020, and June 30, 2019 was $6.4 million, $10.4 million, and $7.4 million, respectively.

For the quarter ended June 30, 2020 non-interest expense decreased $4.0 million compared to the quarter ended March 31, 2020 and $943 thousand compared to the second quarter of 2019. These decreases were primarily due to deferred loan origination costs as described in the discussion of “Impact of and Response to the COVID-19 Pandemic”. Excluding the impact of loan origination costs, non-interest expense increased $200 thousand compared to the quarter ended March 31, 2020 and $3.3 million compared to the second quarter of 2019. The increase compared to the first quarter was primarily due to elevated professional fees as the Company completed work related to registration and public filings. Compared to the second quarter of 2019 the increase was primarily due to legal and professional fees associated with public company readiness and FDICIA implementation, and an increase in salaries and benefits related to hiring to support strategic expansion.

Non-interest expenses of $16.8 million for the six months ended June 30, 2020 compared to $15.0 million for the first six months of 2019. Excluding the impact of loan origination cost, the increase of $6.0 million was due primarily to an increase in salaries and benefits related to hiring to support strategic expansion of the Bank and nonrecurring costs related to preparing for public registration and FDICIA implementation.

Closing Remarks

“We are extremely proud of our team and what we accomplished in the second quarter,” concluded Stephen A. Cortese, Chairman, California BanCorp. “Our successful efforts in assisting clients through the PPP and other proactive loan support programs highlight the commitment, competence and professionalism that are hallmarks of our business. Our performance for clients and support of our colleagues in their efforts underscore the value of CBC as a banking partner.”

Forward-Looking Information

Statements in this news release regarding expectations and beliefs about future financial performance and financial condition, as well as trends in the Company’s business and markets are “forward-looking statements” as defined in the Private Securities Litigation Reform Act of 1995. Forward-looking statements often include words such as “believe,” “expect,” “anticipate,” “intend,” “plan,” “estimate,” “project,” “outlook,” or words of similar meaning, or future or conditional verbs such as “will,” “would,” “should,” “could,” or “may.” The forward-looking statements in this news release are based on current information and on assumptions that the Company makes about future events and circumstances that are subject to a number of risks and uncertainties that are often difficult to predict and beyond the Company’s control. As a result of those risks and uncertainties, the Company’s actual financial results in the future could differ, possibly materially, from those expressed in or implied by the forward-looking statements contained in this news release and could cause the Company to make changes to future plans. Those risks and uncertainties include, but are not limited to, the risk of incurring loan losses, which is an inherent risk of the banking business; the risk that the Company will not be able to continue its internal growth rate; the risk that the United States economy will experience slowed growth or recession or will be adversely affected by domestic or international economic conditions and risks associated with the Federal Reserve Board taking actions with respect to interest rates, any of which could adversely affect, among other things, the values of real estate collateral supporting many of the Company’s loans, interest income and interest rate margins and, therefore, the Company’s future operating results; risks associated with changes in income tax laws and regulations; and risks associated with seeking new client relationships and maintaining existing client relationships. Readers of this news release are encouraged to review the additional information regarding these and other risks and uncertainties to which our business is subject that are contained in our Annual Report on Form 10-K for the year ended December 31, 2019 which is on file with the Securities and Exchange Commission (the “SEC”). Additional information will be set forth in our Quarterly Report on Form 10-Q for the three months ended March 31, 2020, which we expect to file with the SEC during the second quarter of 2020, and readers of this release are urged to review the additional information that will be contained in that report.

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The COVID-19 pandemic has created economic and financial disruptions that have adversely affected, and may continue to adversely affect, our business, operations, financial performance and prospects. Even after the COVID-19 pandemic subsides, it is possible that the U.S. and other major economies experience or continue to experience a prolonged recession, which could materially and adversely affect our business, operations, financial performance and prospects. Statements about the effects of the COVID-19 pandemic on our business, operations, financial performance and prospects may constitute forward-looking statements and are subject to the risk that the actual impacts may differ, possibly materially, from what is reflected in those forward-looking statements due to factors and future developments that are uncertain, unpredictable and in many cases beyond our control, including the scope and duration of the pandemic, actions taken by governmental authorities in response to the pandemic, and the direct and indirect impact of the pandemic on our customers, third parties and us.

Due to these and other possible uncertainties and risks, readers are cautioned not to place undue reliance on the forward-looking statements contained in this news release, which speak only as of today’s date, or to make predictions based solely on historical financial performance. The Company disclaims any obligation to update forward-looking statements contained in this news release, whether as a result of new information, future events or otherwise, except as may be required by.

About California BanCorp

California BanCorp, the parent company for California Bank of Commerce, offers a broad range of commercial banking services to closely held businesses and professionals located throughout the San Francisco Bay Area. The stock trades on the OTCQX marketplace under the symbol CALB (formerly CABC). For more information on California BanCorp, call us at (510) 457-3751, or visit us at www.californiabankofcommerce.com.

Contacts

California BanCorp

Steven E. Shelton, (510) 457-3751

President and Chief Executive Officer

seshelton@bankcbc.com

Thomas A. Sa, (510) 457-3775

Senior Executive Vice President

Chief Financial Officer and

Chief Operating Officer

tsa@bankcbc.com

Source: California BanCorp

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California BanCorp Financial Data as of June 30, 2020 (Unaudited)

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