DexCom, Inc. (Nasdaq: DXCM) (“Dexcom”) announced today that it intends to offer, subject to market conditions and other factors, $1.0 billion aggregate principal amount of Convertible Senior Notes due 2028 (the “notes”) in a private placement to persons reasonably believed to be qualified institutional buyers pursuant to Rule 144A under the Securities Act of 1933, as amended (the “Securities Act”).