This document is a supplement to the President’s FY2025 Budget Request to Congress. Following Congressional mandate, the Supplement incorporates budgetary and programmatic information for member agencies of the NITRD Program and for the National Artificial Intelligence Initiative. This report covers FY2023 actual, FY2024 enacted, and FY2025 requested funding levels by agency and Program Component Area for all NITRD R&D programs. It also describes the key R&D programs and coordination activities planned for FY2025 by the federal agencies participating in NITRD. In addition, this document reports on the specific agency investments for FYs2023–2025 for AI and the National AI Research Institutes and for advanced wireless. It also includes a list of the existing and proposed R&D projects that address critical national cybersecurity needs.