Quest Diagnostics to Acquire Unilab

A unit of Royal Dutch/Shell Group agrees to buy Enterprise Oil PLC, and more merger news

Quest Diagnostics (DGX ) agrees to acquire clinical laboratory company Unilab Corp. (ULAB ) for $900 million, plus about $200 million of Unilab debt. Quest will pay Unilab stockholders $26.50 per share in cash, 0.3256 shares of Quest, or a combination of cash and stock for each Unilab share. (4/2)

Royal Dutch/Shell Group (SC ) unit Shell Resources agrees to buy Britain's Enterprise Oil PLC (ETP ) for about $4.98 billion, and will assume more than $1 billion in Enterprise debt. Shell Resources is paying 725 pence per share for Enterprise. (4/2)

Ontrack Data (ONDI ), which provides services that help to recover lost or corrupted data from operating systems and storage devices, agrees to be acquired by Kroll Inc. (KROL ) in a deal valued at about $140 million. Terms: $12.50 in KROL stock for each ONDI share. (4/2)

Reuters Group (RTRSY ) is considering buying the remaining 17% of Instinet (INET ) it doesn't already own; it believes a further long-term slide could make INET worth buying back at $4 per share: Financial Times (4/2)

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