An earnout provision makes the purchase price (typically, some part of it) payable in the future dependent on the buyer's financial performance. Earnout arrangements have important tax implications for both the buyer and seller.This article focuses on the buyer side of the equation. An earnout provision can be utilized if an entrepreneur seeking to sell a business is asking for a price more than a buyer is willing to pay. The earnout provision requires the buyer to pay an additional amount in purchase price after the closing of the sale, if after the closing the company achieves. Warren Edward Buffett is an American investor and philanthropist who currently serves as the chairman and CEO of Berkshire Hathaway.