Lunar Enabling Infrastructure Accelerator (LEIA) -Broad Agency Announcement (BAA) NextSTEP-3 Appendix A - Final Solicitation

See attached documents for informationregarding Lunar Enabling Infrastructure Accelerator (LEIA) -Broad Agency Announcement (BAA) NextSTEP-3 Appendix A - Final Solicitation. — The final solicitation (and any potential amendments to the final) are the controlling documents for this effort. In the event of a discrepancy between the draft, any questions and answers posted, and the final solicitation, the final solicitation is the controlling document. — All questions regarding this solicitation should be submitted in writing, electronically to Linda M Nabors, Contracting Officer, at linda.m.nabors@nasa.gov on or before September 11, 2026, 5:00 EDT . Offerors are encouraged to submit questions as soon as possible for consideration. — The NASA Center Point of Contacts For Goverment Task Agreements is listed in Attachment K — Please note an Industry Day will NOT be held. — 10/09/2026 -Amendment 3 Posted and Responses to Questions for NextSTEP-3 BAA Appendix A LEIA - Batch 3 Posted — 10/01/2026- Responses to Questions for NextSTEP-3 BAA Appendix A LEIA - Batch 2 Posted — 09/25/2026 - Amendment 2 - Extend the proposal due date to October 15, 2026 at 5:00 PM EDT. — 09/21/2026 - Amendment 1 and Responses to Questions for NextSTEP-3 BAA Appendix A LEIA - Final Batch 1 Posted — 09/08/2026 - Final Solicitation Posted

See attached documents for informationregarding Lunar Enabling Infrastructure Accelerator (LEIA) -Broad Agency Announcement (BAA) NextSTEP-3 Appendix A - Final Solicitation. — The final solicitation (and any potential amendments to the final) are the controlling documents for this effort. In the event of a discrepancy between the draft, any questions and answers posted, and the final solicitation, the final solicitation is the controlling document. — All questions regarding this solicitation should be submitted in writing, electronically to Linda M Nabors, Contracting Officer, at linda.m.nabors@nasa.gov on or before September 11, 2026, 5:00 EDT . Offerors are encouraged to submit questions as soon as possible for consideration. — The NASA Center Point of Contacts For Goverment Task Agreements is listed in Attachment K — Please note an Industry Day will NOT be held. — 10/09/2026 -Amendment 3 Posted and Responses to Questions for NextSTEP-3 BAA Appendix A LEIA - Batch 3 Posted — 10/01/2026- Responses to Questions for NextSTEP-3 BAA Appendix A LEIA - Batch 2 Posted — 09/25/2026 - Amendment 2 - Extend the proposal due date to October 15, 2026 at 5:00 PM EDT. — 09/21/2026 - Amendment 1 and Responses to Questions for NextSTEP-3 BAA Appendix A LEIA - Final Batch 1 Posted — 09/08/2026 - Final Solicitation Posted