Kessler Topaz Meltzer & Check, LLP Reminds Investors of Deadline for Securities Fraud Class Action Lawsuit Filed Against Plug Power, Inc.

The law firm of Kessler Topaz Meltzer & Check, LLP announces that a securities fraud class action lawsuit has been filed in the United States District Court for the Southern District of New
York against Plug Power Inc. (NASDAQ: PLUG) (“Plug”) on behalf of those who purchased or acquired Plug securities between November 9, 2020 and March 1, 2021, inclusive (the “Class
Period”).

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