Microsoft completes pricing of 10 tranches of $25 billion in bonds, with the longest maturity reaching 2066. According to SEC filings, Microsoft has completed pricing for 10 tranches of US dollar notes, totaling $25 billion. This includes $1 billion each of floating-rate notes maturing in 2028 and 2029, and $23 billion in eight tranches of fixed-rate notes maturing between 2028 and 2066. The coupon rates range from 4.85% to 6.35%, with a spread of 25 to 105 basis points over comparable US Treasury yields. These notes will settle on November 4th. They are rated Aaa by Moody's and AAA by S&P. This is Microsoft's first issuance of US dollar bonds since 2017.