Additionally, the new 20-year lease will allow the company to expand to a second floor in its current building.
Buffett further said that he has been a fan of Amazon and also he has been an idiot for not purchasing the shares of Amazon.
Today marks the beginning of the yearly invasion of Berkshire Hathaway shareholders, with the shareholder shopping day taking over the CHI Health Center, starting at noon.
He holds a stake in Apple and had a sizeable investment in IBM at one point, but has generally refrained from investing in numerous biggest technology companies that have become powerhouses in the 21st Century, including Google, Facebook and - until now - Amazon.
Billionaire Warren Buffett on Saturday gave a clue on who might succeed him to run his Berkshire Hathaway empire, but did not completely reveal his hand.
But with the 88-year-old Buffett and 95-year-old Charlie Munger leading the company it's hard for shareholders not to wonder how much longer the revered investors will be in place.
Iran continues to export oil despite U.S. sanctions
Oil retreated amid signs of a sharp increase in US crude inventories and concerns over the strength of economic growth in China. Crude shipments from the group to American ports dipped to a 33-year low in February.
"But I don't want to be like everybody else because this has worked better".
That, in part, reflected Buffett's inability to find a major business to add to Berkshire's stable of more than 90 companies in the insurance, chemicals, energy, food and retail, industrial, railroad and other sectors.
Berkshire Hathaway owns about 250 million shares of tech giant Apple.
Among other businesses, the Berkshire Hathaway Energy unit posted a 3-percent profit increase, while earnings from retailing and services units increased 16 percent, despite a 19 percent revenue drop at See's sweets because Easter fell late.
The Berkshire Hathaway shareholder meeting, which draws tens of thousands to the small city of Omaha in the American heartland, has been dubbed "Woodstock for Capitalists".
In that CNBC interview, Buffett's commentary was full of praise for Amazon and remorse for not having bought the stock.