Sesen Bio, Inc. announced an increase of the one-time special cash dividend expected to be paid to stockholders to $75.0 million, or approximately $0.36 per share. This represents an increase from the expected special cash dividend of approximately $70.0 million, or approximately $0.34 per share1, under the first amendment to the merger agreement, and an increase from the up to $25.0 million special cash dividend under the terms of the original merger agreement dated September 20, 2022.