Plug Power(PLUG) - 2023 Q4 - Annual Results

Exhibit 99.1 Plug Power Fourth Quarter 2023 Earnings March 1, 2024 Presenters Andy Marsh, CEO Paul Middleton, CFO Meryl Fritz, Marketing and Communications Manager Sanjay Shrestha, Chief Strategy Officer Q&A Participants James West – Evercore ISI Manav Gupta – UBS Craig Irwin – ROTH MKM Bill Peterson – J.P. Morgan George Gianarikas – Canaccord Genuity Skye Landon – Redburn Atlantic Eric Stine – Craig-Hallum Jordan Levy – Truist Securities Sherif Elmaghrabi – BTIG Amit Dayal – H.C. Wainwright Ameet Thakkar – ...