Priority will be given to vulnerable people including women and children, according to EU Commissioner for Migration Dimitris Avramopoulos, who welcomed Italy's cooperation but said that a system was needed to avoid such emergency solutions in future.
"We welcome this show of solidarity and understanding that Malta is going beyond what is required of us", said Mr Muscat.
European Union rules oblige countries where migrants first land to process any asylum claims, placing a heavy burden on Mediterranean states like Italy, Greece, Spain and Malta.
The deal ends an impasse that kept the migrants stuck on the rescue boats while European governments negotiated where they could disembark.
This was followed on 29 December with another 17 asylum seekers rescued by the "Sea-Eye" humanitarian ship.
Malta has announced that it will allow two ships, stranded for weeks with 49 migrants and refugees on board, to dock.
Instead, the arrangement called for the 49 migrants transferred to military vessels and then brought to the island nation.
The vast majority of the total of nearly 300 migrants will be shared among Germany, France, Portugal, Ireland, Romania, Luxembourg, the Netherlands, Italy and Malta, Muscat said.
Hardik Pandya and KL Rahul to sit out Sydney ODI
The CoA has taken on board the recommendation of the BCCI's legal team that Pandya and Rahul be suspended pending an inquiry. The legal team has suggested that the CoA, as the authorised head of the BCCI now , could substitute for the Apex Council.
GM workers stage another sit-in at Oshawa plant
He said the union should instead work with the company on timing and transition plans for the close to 3,000 jobs impacted. GM has said keeping Oshawa open would increase their costs and make them less competitive.
West Ham United turn down bid from China for Marko Arnautovic
West Ham reportedly have Bournemouth's Callum Wilson on their radar and he could become a priority if they lose Marko Arnautovic . West Ham, though, are determined to keep the influential 29-year-old and are adamant he will not be allowed to leave.
Samsung Galaxy S10 hits Geekbench benchmarks
That meant fans had absolutely no incentive to upgrade, and Samsung's high-end phone sales suffered tremendously as a result. But as it turns out, the company is skipping that design plan altogether and instead opting for a hole-punch design.