The Malaysia Airlines aircraft disappeared en route from Kuala Lumpur to Beijing on March 8, 2014, carrying 239 passengers and crew.
The plane "has not been located" in the 120,000 square kilometer (46,000 square mile) search area of the southern Indian Ocean, a statement from the three nations said, AFP reported.
"To date no new information has been discovered to determine the specific location of the aircraft. Accordingly, the underwater search for MH370 has been suspended."