What is a 1999 100.00 savings bond worth?

The value of a 1999 $100 savings bond, specifically a Series I or EE bond, depends on its interest rates and maturity period. Typically, these bonds earn interest for 30 years, and as of 2023, a bond issued in 1999 would have matured, meaning it could be worth its face value or more, depending on accrued interest. To get an accurate current value, you can use the U.S. Treasury's online savings bond calculator.