Borsa İstanbul calculates customer indices for corporations that wish to have indices calculated on their behalf. Corresponding indices are shown below.

Participation Indices

Participation 50 Index and other Indices in Participation Index Family (Participation 30 Index and Participation Model Portfolio Index) are created for Bizim Menkul Değerler A.Ş. in order to measure price and return performance of stocks selected based on Participation Banking principles.

Indices are calculated by Borsa İstanbul on behalf of Bizim Menkul Değerler A.Ş. and for detailed information about indices, please click http://www.katilimendeksi.org/.

İş Bankası Affiliates Index

İş Bankası Affiliates Index is created for İş Portföy Yönetimi A.Ş. (İş Portföy) as price and return indices in order to  measure price and return performances of Türkiye İş Bankası A.Ş. and its affiliates’ stocks traded in Borsa İstanbul. Price index is calculated on every 10 seconds during Borsa İstanbul sessions and disseminated in real time. Return index is calculated and disseminated at the end of sessions.

Borsa İstanbul has started to calculate the Index on behalf of İş Portföy as of April 13, 2015 with real time data.

Ziraat Asset Management Participation Index

Ziraat Asset Management aims to support Islamic Finance in Turkey by establishing a Participation Index. Ziraat Asset Management Participation Index is created in order to measure price and return performance of stocks selected based on Islamic Finance principles which Ziraat Portföy Yönetimi A.Ş. customers could invest.

Indices are calculated by Borsa İstanbul on behalf of Ziraat Portföy Yönetimi A.Ş. and for detailed information about indices, please click http://www.ziraatportfoy.com.tr/TRK/endeks-bilgileri.