On 11 September 2017
, the amendments of the Detailed Rules of the OTC Clearing System take effect under Resolution No. 23/17
of KDPW_CCP S.A. dated 28 August 2017 in connection with the suspension of FRA, IRS and OIS fixings by ACI Polska and the change of the WIBID/WIBOR fixing organiser. For the duration of the unavailability of the fixings, the reference rates of OTC derivatives used in clearing are determined by KDPW_CCP on the basis of available contributor quotes.