USFM Corporation ("USFM"), a privately held, U.S.-based mineral exploration company advancing critical mineral opportunities in Greenland, and Twin Vee PowerCats Co. (NASDAQ:VEEE) ("Twin Vee"), a manufacturer, distributor and marketer of power sport boats, announced today that they have amended their definitive merger agreement for USFM's pending business combination with Twin Vee, which was initi