On December 11, 2012, aleo solar AG announced the sale of its 9.23 percent equity interest in Bosch Solar CIS Tech GmbH to Robert Bosch GmbH. The two parties agreed not to disclose the purchase price.
Originally trading under the name Johanna Solar GmbH, Bosch Solar CIS Tech GmbH was acquired by Bosch in 2009 and integrated into its Solar Energy division. Bosch Solar CIS Tech GmbH produces thin-film modules in Brandenburg an der Havel. aleo solar had held an equity stake in the company since 2006.