June 24, 2022 Francis Sarena c/o Apexigen, Inc. San Carlos, CA 94070 Re: Confirmatory Employment Letter Dear Francis:Confirmatory Employment Letter • June 27th, 2022 • Brookline Capital Acquisition Corp. • Biological products, (no disgnostic substances) • California
Contract Type FiledJune 27th, 2022 Company Industry JurisdictionThis letter agreement (the “Agreement”) is entered into between Francis Sarena (“you”) and Apexigen, Inc. (the “Company” or “we”). This Agreement is effective as of the date you sign it, as indicated below. The purpose of this Agreement is to confirm the current terms and conditions of your employment.