TOKYO, Dec 22 (Reuters) -
* Japanese aluminium buyers have agreed to pay producers a premium of $103 per tonne for metal shipped during the January-March quarter, reflecting higher spot premiums, four sources directly involved in the quarterly pricing talks said
* The deals, an 8 percent to 10 percent rise from the $94-$95 per tonne premium (PREM-ALUM-JP) in the previous quarter, mark the first increase in three quarters
* Japan is Asia's biggest importer of aluminium and the premiums for primary metal shipments it agrees to pay each quarter over the London Metal Exchange (LME) cash price set the benchmark for the region (Reporting by Osamu Tsukimori)