The transaction, which is subject to German regulatory approval, is expected to be completed by the end of 2011.
Nuplex said it expected to deliver 10 per cent year-on-year operating earnings growth in 2011/12 by combining the expected positive earnings contribution from Viverso with the earnings generated by Nuplex's existing operations, and the recently announced acquisition of Acquos's Masterbatch operations.
Excluding the two recent transactions, Nuplex said its operating earnings over 2011/12 would be roughly in-line with last year's of $130.9 million, based September quarter 2011 exchange rates.
Chief executive Emery Severin said volumes were expected to be of a similar level as last year, but he said the recent strengthening in the New Zealand dollar was likely to have the biggest negative impact on earnings.
"Our forecast is based on average September quarter exchange rates being maintained throughout the year,'' he said.
"Had average exchange rates remained the same as they were last year, earnings before interest, tax, depreciation and amortisation would be forecast to increase by about 5 to 6 per cent," he said.
Nuplex specialises in polymer resins, which are essential ingredients in a wide range of products used every day, from basic necessities, through consumer durables to luxury goods.
The company also distributes raw materials to a number of industries in Australia and New Zealand including the chemical, plastics, general industrial, food and pharmaceutical sectors.
Nuplex, based in Penrose, Auckland, shares last traded at $2,68, up 2c.