Subject : Changeof the date of publication of the consolidated report for the first halfof 2017, supplemented by a six-months' abbreviated unit financialstatement.

Report:

TheManagement Board of Ciech S.A. ("the Issuer" or "the Company") herebyannounces a change of the date of public announcement of theconsolidated report for the first half of 2017, supplemented by asix-months' abbreviated unit financial statement which, according to theinformation contained in current report no. 2/2017 of 26 January 2017,were to be publicly announced on 30 August 2017.

The newdate of publication of the consolidated report for the first half of2017, supplemented by a six-months' abbreviated unit financial statementwas set on 24 August 2017.