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Merck KGaA agrees $6.5 bln takeover of Versum

FRANKFURT, April 12 (Reuters) - Germany's Merck KGaA said it signed a takeover agreement with target Versum Materials for a price of $53 per share after Versum walked away from a prior merger agreement with rival Entegris .

Merck is targeting 75 million euros ($85 million) in run-rate synergies by the third full year after closing of the deal, which it expects in the second half of 2019, it said in a statement on Friday.

Including about $700 million in assumed Versum debt and based on about 109 million shares, Merck's bid translates into a overall price tag of close to $6.5 billion.

($1 = 0.8835 euros)

(Reporting by Ludwig Burger; editing by Thomas Seythal)