26. Other current assets

 31 December 2016 31 December 2015
Derivative instruments forward/IRS (note 38)6.710.5
Other deferred income1.8-
Other deferred costs30.2389.0

Other deferred costs in the amount of PLN 389.0 related to the agreement with Aero2 Sp. z o.o. (legal successor of Mobyland Sp. z o.o.). Agreements dated 3 March 2015 are described in detail in the consolidated financial statements for the period ended 31 December 2015.