Exhibit 99.1 SIDUS SPACE REPORTS FULL YEAR 2023 FINANCIAL RESULTS AND PROVIDES BUSINESS UPDATE CAPE CANAVERAL, Fla – March 27, 2024 —Sidus Space, Inc. (NASDAQ:SIDU) (the “Company” or “Sidus”), a Space and Data- as-a-Service satellite company, announces financial results for the full year ended December 31, 2023 and provides a business update. Management is scheduled to host a conference call and webcast today, March 27, at 9:00 a.m. ET. “2023 was a pivotal year for Sidus, culminating with the successful lau ...