

STS' long-standing radiological security partnership with NNSA/Y-12 advances U.S. national security objectives while helping preserve critical medical capabilities for international partners New York, New York--(Newsfile Corp. - October 29, 2026) - NANO Nuclear Energy Inc. (NASDAQ: NNE) ("NANO Nuclear" or "the Company"), a leading advanced nuclear micro modular reactor and technology company developing microreactors, nuclear fuel cycle capabilities and nuclear transportation solutions, alongside Secured Transportation Services (STS), a wholly owned subsidiary, today announced its role in the successful removal and secure transportation of a vulnerable cesium-137 (Cs-137) radioactive source from the Fundação Hospitalar de Hematologia e Hemoterapia do Amazonas (HEMOAM) in Manaus, Brazil. The September 2, 2026 operation was conducted in support of the U.S. Department of Energy's National Nuclear Security Administration's (NNSA) Office of Radiological Security (ORS) and managed by the Y-12 National Security Complex (Y-12).

Collaboration brings the potential for engineering, procurement, construction, modularization and supply-chain capabilities into NANO Nuclear's platform as the University of Illinois KRONOS MMR ™ project advances through NRC review Framework creates a pathway from first-of-a-kind project planning to potential A/E, EPC, fabrication, U.S. manufacturing and future fleet-deployment support New York, N.Y. and Seoul, Republic of Korea, Oct. 27, 2026 (GLOBE NEWSWIRE) -- NANO Nuclear Energy Inc. (NASDAQ: NNE) ("NANO Nuclear" or the "Company"), an advanced nuclear energy and technology company developing microreactors, nuclear fuel cycle capabilities and nuclear transportation solutions, today announced that it has signed a Memorandum of Understanding ("MOU") with Hyundai Engineering Co., Ltd.

Collaboration brings the potential for engineering, procurement, construction, modularization and supply-chain capabilities into NANO Nuclear's platform as the University of Illinois KRONOS MMR™ project advances through NRC review Framework creates a pathway from first-of-a-kind project planning to potential A/E, EPC, fabrication, U.S. manufacturing and future fleet-deployment support New York, New York and Seoul, Republic of Korea--(Newsfile Corp. - October 27, 2026) - NANO Nuclear Energy Inc. (NASDAQ: NNE) ("NANO Nuclear" or the "Company"), an advanced nuclear energy and technology company developing microreactors, nuclear fuel cycle capabilities and nuclear transportation solutions, today announced that it has signed a Memorandum of Understanding ("MOU") with Hyundai Engineering Co., Ltd. ("HEC") to establish a framework for potential collaboration to advance the KRONOS MMR™ Energy System project at the University of Illinois Urbana-Champaign ("U.

Initial engineering program is leveraging IMPSA's decades of nuclear experience to advance engineering and manufacturability of the KRONOS MMR ™ design New York, N.Y. and Mendoza, Argentina, Oct. 21, 2026 (GLOBE NEWSWIRE) -- NANO Nuclear Energy Inc. (NASDAQ: NNE) ("NANO" or “the Company"), a leading advanced nuclear micro modular reactor and technology company developing microreactors, nuclear fuel cycle capabilities and nuclear transportation solutions, today announced that it has entered into a Engineering Services Master Agreement (ESMA) with the U.S. subsidiary of IMPSA, one of Argentina's leading engineering and heavy-manufacturing companies, to support the engineering, design-for-manufacture and potential future fabrication of critical components for NANO Nuclear's KRONOS MMR ™ Energy System.

Initial engineering program is leveraging IMPSA's decades of nuclear experience to advance engineering and manufacturability of the KRONOS MMR design New York, New York and Mendoza, Argentina--(Newsfile Corp. - October 21, 2026) - NANO Nuclear Energy Inc. (NASDAQ: NNE) ("NANO" or "the Company"), a leading advanced nuclear micro modular reactor and technology company developing microreactors, nuclear fuel cycle capabilities and nuclear transportation solutions, today announced that it has entered into a Engineering Services Master Agreement (ESMA) with the U.S. subsidiary of IMPSA, one of Argentina's leading engineering and heavy-manufacturing companies, to support the engineering, design-for-manufacture and potential future fabrication of critical components for NANO Nuclear's KRONOS MMR™ Energy System. The three-year agreement establishes a framework for NANO Nuclear to utilize IMPSA's extensive experience in nuclear pressure vessels, ASME Section III manufacturing, welding, non-destructive examination, quality assurance and heavy-component fabrication as the KRONOS MMR™ design progresses toward manufacturing readiness.

Recognition and recent specialized uranium hexafluoride shipment for LIS Technologies highlight STS's capabilities across government and commercial nuclear transportation projects New York, New York--(Newsfile Corp. - October 20, 2026) - NANO Nuclear Energy Inc. (NASDAQ: NNE) ("NANO Nuclear" or the "Company"), an advanced nuclear energy and technology company developing microreactors, nuclear fuel cycle capabilities and nuclear transportation solutions, today announced that its subsidiary Secured Transportation Services LLC ("STS") was recognized for its contributions to two nuclear material transportation missions whose teams received 2026 U.S. Department of Energy ("DOE") Secretary of Energy Achievement Awards. The awards, presented on September 28, 2026, recognized the Japan High-Assay Low-Enriched Uranium ("HALEU") Removal and Venezuela Highly Enriched Uranium ("HEU") Removal teams for their successful execution of complex international nuclear material removal and transportation operations.

U. of I. and NANO Nuclear have continued technical engagement with the NRC through the ongoing audit process following formal acceptance of the KRONOS MMR ™ Construction Permit Application for review

U. of I. and NANO Nuclear have continued technical engagement with the NRC through the ongoing audit process following formal acceptance of the KRONOS MMR™ Construction Permit Application for review Continued licensing progress supports NANO Nuclear's previously disclosed expectation for the opportunity to begin initial construction activities in the second half of 2027 New York, New York--(Newsfile Corp. - October 13, 2026) - NANO Nuclear Energy Inc. (NASDAQ: NNE) ("NANO Nuclear" or the "Company"), an advanced nuclear energy and technology company developing microreactors, nuclear fuel cycle capabilities and nuclear transportation solutions, today announced continued progress in the U.S. Nuclear Regulatory Commission's ("NRC") review of the Construction Permit Application ("CPA") for deployment of NANO Nuclear's KRONOS MMR™ Energy System at the University of Illinois Urbana-Champaign ("U. of I."). Following the submission of the CPA by U.