This document is a supplement to the Presidents 2020 Budget Request to Congress. It describes research and development coordination activities planned for FY2020 by the Federal agencies participating in the Networking and Information Technology Research and Development (NITRD) Program. It reports actual investments for FY2018, estimated investments for FY2019, and requested funding levels for FY2020 by agency and Program Component Area (PCA). For the FY2020 budget request, this Supplement identifies strategic priorities, key programs, and key coordination activities for each NITRD PCA. An appendix to the Supplement, FY2020 Federal Cybersecurity R&D Strategic Plan Implementation Roadmap, lists existing and proposed Federal R&D projects and programs that address the Nations critical cybersecurity challenges.