Krzysztof Jedrzejewski acquired 9.6% stake in Hydrapres S.A. (WSE:HPS) from KW Sp. z o.o. Promack Spolka Komandytowo Akcyjna on July 24, 2015. Promack Spolka sold 3.5 million shares of Hydrapres and as a result, Promack Spolka's shareholding in Hydrapres decreased to 31.4% from 41%. Krzysztof Jedrzejewski's stake in Hydrapres increased to 24.9% from 15.3%.

Krzysztof Jedrzejewski completed the acquisition of 9.6% stake in Hydrapres S.A. (WSE:HPS) from KW Sp. z o.o. Promack Spolka Komandytowo Akcyjna on July 24, 2015.