Industry sources told the news agency that the announcement of the deal, worth more than US$1.8 billion (RM7.6 billion) at list prices, would be made following a meeting between Donald Trump and Najib, who is visiting the White House at the invitation of the United States president.
That meant photographers could not take the traditional photo of the two leaders sitting side by side, but a White House official said not to read anything into the change.
He is then scheduled to hold a meeting with U.S. secretary of State Rex Tillerson, who made an official visit to Malaysia in early August when he held discussions with Najib in Putrajaya.
Prime Minister Najib, who has boasted about golfing with President Trump, is less likely to hear about human rights issues from the Republican.
United States President Donald Trump and visiting Malaysian Prime Minister Najib Razak talked about the fight against terrorism as they met yesterday.
The veteran prime minister faces allegations that billions were looted from a sovereign wealth fund, 1Malaysia Development Berhad (1MDB), in complex overseas deals that are being investigated by authorities in several countries, including the United States.
On Tuesday afternoon, White House Press Secretary Sarah Sanders was asked about the report and defended Najib's choice of lodging - a choice that directly lines Trump's pockets since he still owns the hotel.
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The waters took their toll on Miami Beach and downtown Miami , leaving some areas in Brickell with waist-deep flooding. Scott flew over the Keys and says he saw a lot of flood damage and boats that had washed ashore.
"We are committed to 25 planes of the 737 Max-10, plus eight 787 Dreamliners and there is a strong probability, not possibility" of the purchase of an additional 25 737 Max-10 jets, Najib told Trump.
Mr. Najib also said the Employees Provident Fund, a major pension fund in Malaysia, planned to invest $3 billion to $4 billion in USA infrastructure projects.
Senior opposition lawmaker Lim Kit Siang said many Malaysians viewed Najib's White House visit as a "national humiliation and shame" as he is tainted by the 1MDB financial saga.
The prime minister will also meet with members of the Senate Committee on foreign relations later Tuesday afternoon.
China is the largest foreign investor in Malaysia, and three Chinese companies are involved in a plan to build a new deep sea port in Malacca costing billions of dollars. Najib said the groups are the "enemy" of both the United States and Malaysia, adding 'we will do our part to make sure our part of the world is safe'. "He will also try to convey the impression that the US investigation on 1MDB has nothing to do with him", said James Chin, who heads the Asia Institute in Australia's University of Tasmania.
The U.S. Justice Department sued to seize some $1.7 billion in assets it said were bought with misappropriated 1MDB funds.