In exchange, Assange will be released from a British prison after five years behind bars.
Hes expected to be sentenced to 62 months, with credit for time served in British prison.
The Justice Department expects Assange to return to his native Australia following his court appearance.
Julian Assange in 2019 after being sentenced in UK court for beaching bail conditionsGetty Images
If convicted, Assange could have faced a maximum of 170 years in a federal prison.
