IShares S&P U.S. Mid-Cap Index ETF Announces Estimated Cash Distribution for the Month of December 2018, Payable on January 4, 2019

BlackRock Asset Management Canada Limited announced the estimated December cash distribution of $0.14320 per unit for iShares S&P U.S. Mid-Cap Index ETF. Unitholders of record of a fund on December 31, 2018 will receive cash distribution payable in respect of that fund on January 4, 2019.