Singaporean offshore vessel owner Vallianz Holdings has signed charter extension deals worth up to US$458 million for a plethora of units working in the Middle East.

The company has managed to extend charter of 19 vessels for multiple years, with options in tow.

Fifteen anchor-handling tug supply vessels and four platform supply vessels already working for a client in the region now have firm contracts until June 2018, with options to extend the deals for two more years.

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