Berkshire Hathaway Inc. ¥123,700,000,000 1.510% Senior Notes due 2028 ¥53,300,000,000 1.826% Senior Notes due 2030 ¥26,100,000,000 2.422% Senior Notes due 2035 ¥7,000,000,000 2.810% Senior Notes due 2040 Underwriting Agreement