Sidus Space and Maris‑Tech Achieve Integration Milestone for LizzieSat‑4 Mission

Maris‑Tech payload to fly aboard LizzieSat‑4 as hardware testing and platform integration commence ahead of planned launch later this year

CAPE CANAVERAL, Fla., Jan. 26, 2026 /PRNewswire/ -- Sidus Space, Inc., (NASDAQ: SIDU) ("Sidus" or the "Company"), an innovative space and defense technology company, today announced the achievement of an integration milestone with Maris‑Tech Ltd.,(NASDAQ: MTEK, MTEKW) a global leader in video and AI‑based edge computing technology, as Maris‑Tech's advanced payload is scheduled to fly aboard Sidus' LizzieSat‑4 (LS4) mission, expected to launch later this year.

This milestone marks the transition from planning to active integration, as Sidus and Maris‑Tech prepare to initiate testing of Maris‑Tech's payload hardware next week. Upon completion of initial testing, the payload is expected to be integrated onto the LizzieSat-4 satellite, advancing both companies toward flight readiness.

"This integration milestone represents a critical step as we prepare LizzieSat‑4 for launch later this year," said Patrick Butler, EVP, Engineering & Programs at Sidus Space. "Beginning payload testing and progressing into full hardware and software integration underscores the maturity of the LizzieSat platform and our ability to support advanced customer technologies from ground testing through on‑orbit operations."

Maris‑Tech's payload is designed to demonstrate high‑performance edge computing and video processing capabilities in orbit, leveraging the modular LizzieSat architecture and Sidus' flight‑proven subsystems. The mission is expected to support real‑time data handling and advanced analytics use cases for space and defense applications.

"Entering the payload testing and integration phase with Sidus marks an important technical milestone for Maris‑Tech," said Israel Bar, Chief Executive Officer of Maris‑Tech. "Flying aboard LizzieSat‑4 is intended to enable us to validate our edge computing and video processing capabilities in a space environment, and demonstrate seamless integration with the LizzieSat hardware and software platform as we advance toward on‑orbit operations."

LizzieSat‑4 is part of Sidus Space's growing constellation of multi‑mission satellites engineered to support rapid payload integration, flexible hosted payload configurations, and efficient transitions from ground testing to on‑orbit operations. The mission highlights Sidus' capability as a turnkey space platform provider for commercial and government customers.

About Sidus Space 

Sidus Space (NASDAQ: SIDU) is an innovative space and defense technology company offering flexible, cost-effective solutions, including satellite manufacturing and technology integration, AI-driven space-based data solutions, mission planning and management operations, AI/ML products and services, and space and defense hardware manufacturing. With its mission of Space Access Reimagined®, Sidus Space is committed to rapid innovation, adaptable and cost-effective solutions, and the optimization of space system and data collection performance. With demonstrated space heritage, including manufacturing and operating its own satellite and sensor system, LizzieSat®, Sidus Space serves government, defense, intelligence, and commercial companies around the globe. Strategically headquartered on Florida's Space Coast, Sidus Space operates a 35,000-square-foot space manufacturing, assembly, integration, and testing facility and provides easy access to nearby launch facilities. For more information, visit: sidusspace.com.

About Maris-Tech Ltd.

Maris-Tech is a global leader in video and AI-based edge computing technology, pioneering intelligent video transmission solutions that conquer complex encoding-decoding challenges. Our miniature, lightweight, and low-power products deliver high-performance capabilities, including raw data processing, seamless transfer, advanced image processing, and AI-driven analytics. Founded by Israeli technology sector veterans, Maris-Tech serves leading manufacturers worldwide in defense, aerospace, Intelligence gathering, HLS, and communication industries. We're pushing the boundaries of video transmission and edge computing, driving innovation in mission-critical applications across commercial and defense sectors. For more information, visit: maris-tech.com

Forward-Looking Statements 

Statements in this press release about future expectations, plans and prospects, as well as any other statements regarding matters that are not historical facts, may constitute 'forward-looking statements' within the meaning of The Private Securities Litigation Reform Act of 1995. These statements include, but are not limited to, statements relating to the expected trading commencement and closing dates. The words 'anticipate,' 'believe,' 'continue,' 'could,' 'estimate,' 'expect,' 'intend,' 'may,' 'plan,' 'potential,' 'predict,' 'project,' 'should,' 'target,' 'will,' 'would' and similar expressions are intended to identify forward-looking statements, although not all forward-looking statements contain these identifying words. Actual results may differ materially from those indicated by such forward-looking statements as a result of various important factors, including: the uncertainties related to market conditions and other factors described more fully in the section entitled 'Risk Factors' in Sidus Space's Annual Report on Form 10-K for the year ended December 31, 2024, and other periodic reports filed with the Securities and Exchange Commission. Any forward-looking statements contained in this press release speak only as of the date hereof, and Sidus Space, Inc. specifically disclaims any obligation to update any forward-looking statement, whether as a result of new information, future events or otherwise. 

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SOURCE Sidus Space, Inc.