clipped from: www.marketwatch.com   
NEW YORK (MarketWatch) -- Mars Inc., backed by billionaire investor Warren Buffett's Berkshire Hathaway Inc., reached an agreement Monday to buy 117-year-old chewing-gum pioneer Wm. Wrigley Jr. Co. for about $23 billion.

Mars, of McLean, Va., will pay $80 in cash for each share of Wrigley share, a 28% premium over Wrigley's Friday closing price of $62.45, closely held Mars said in a statement Monday.

Chicago-based Wrigley (WWY:
Wm. Wrigley Jr. Company
 Last: 76.85+14.40+23.06%
11:41am 04/28/2008
Delayed quote data
Sponsored by:
WWY
 76.85, +14.40, +23.1%)
, with annual sales of $5.4 billion, is known for its namesake Spearmint and Juicy Fruit gums as well as Life Savers.

In a statement, Buffett said he has been "a big fan of Wrigley's business model for many years." His investment company has long owned San Fracisco-based See's Candies.