The crisis has led the EU to prepare further sanctions against Belarus.
She hopes to return one day.
"She is safe and is doing well under the circumstances."
Vitaly Shishov was reported missing on Monday.
Roman Protasevich was arrested in Minsk on May 23 after authorities intercepted their Ryanair flight from Athens to Vilnius.
Jailed Belarusian journalist Roman Protasevich said he felt fine and had not been beaten.