Which of the following information about Warren Buffett is correct?

The world’s second richest person, the Amerian financier Warren Buffett, is to give around 85 percent of his wealth to charity. Fortune Magazine said Mr. Buffett had decided to bring forward his plans to give away 37 billion dollars worth of shares in his company Berkshire Hathaway.
    Warren Buffet, the 75-year-old investor, has revealed his intentions to donate the majority of his fortune in a letter to the Bill and Melinda Gates Foundation. Based on current values the first year’s gift alone will be worth more than 1. 5 billion dollars. The announcement comes after Bill Gates said he would be moving away from his day to day role at Microsoft to focus on his charity work. The Gates Foundation has committed millions of dollars to fighting diseases such as malaria and TB in developing countries and to educational technology in the US. Mr. Buffett, who is the chief executive of the Berkshire Hathaway Corporation, also pledged annual gilts to his 3 children and to a foundation established in memory of his late wife.