The company will sell its interest in Bowdens for A$35m ($38.68m) in cash at closing, A$30m ($33m) in Kingsgate shares at closing, A$5m ($5.5m) in cash payable on 31 December 2011and A$5m in cash payable on 30 June 2012.
The transaction, which is subject to customary conditions including receipt of required regulatory approvals and third party consents, is expected to be closed by October 2011.
Silver Standard president and CEO John Smith said the transaction allows the company to redeploy capital into accelerating production growth and its strong exploration pipeline.