English to Russian Law/Patents Law: Contract(s) NDA

Добрый день!
Помогите, пожалуйста, перевести "other than through" в следующем контексте:

Nothing in this Agreement shall restrict the right of the Receiving Party to use or disclose information that is:

- known to the Receiving Party, other than through receipt under a separate non-disclosure agreement or similar agreement, prior to receipt under this Agreement;