ORGANIZATION@1 announces an agreement to purchase ORGANIZATION@2 for $ NUMBER@1 billion -LRB- the largest-ever corporate merger -RRB- .

January 5-January NUMBER@2 -- The NUMBER@3 MISC@1 Summit January NUMBER@4 -- LOCATION@1 On-line announces an agreement to buy ORGANIZATION@2 for $ NUMBER@1 billion . This is the largest-ever corporate merger .
