MONROE TOWNSHIP, N.J., Sept. 21, 2026 (GLOBE NEWSWIRE) -- Ocean Power Technologies, Inc. (“OPT” or the “Company”) (NYSE American: OPTT), a leader in maritime operational infrastructure and autonomous ocean systems, today announced that three classes of its WAM-V^® unmanned surface vessels operated across multiple mission sets at REPMUS 2026, the multinational robotic experimentation exercise led by the Portuguese Navy in close collaboration with NATO, the University of Porto, and the European Defense Agency (EDA).