NOTIFICATION OF THE REMOVAL FROM LISTING AND REGISTRATION OF THE STATED
SECURITIES

NYSE Arca hereby notifies the SEC of its intention to remove the
entire class of the stated securities from listing and registration
on the Exchange at the opening of business on June 24, 2019, pursuant
to the provisions of Rule 12d2-2 (a).

[ X ] 17 CFR 240.12d2-2(a)(3) That on May 24, 2019 the instruments
representing the securities comprising the entire class of this
security came to evidence, by operation of law or otherwise, other
securities in substitution therefore and represent no other right
except, if such be the fact, the right to receive an immediate cash
payment.

The reorganization of Oppenheimer S&P SmallCap 600 Revenue ETF into
Invesco S&P SmallCap 600 Revenue ETF became effective after the
close on May 24, 2019. Shareholders of Oppenheimer S&P SmallCap 600
Revenue ETF received a number of shares of beneficial interest of
Invesco S&P SmallCap 600 Revenue ETF equal in value to the value of
the shares of the holders' Oppenheimer S&P SmallCap 600 Revenue ETF
held immediately prior to the closing of the reorganization.

The Exchange also notifies the Securities and Exchange Commission
that as a result of the above indicated conditions this security was
suspended from trading on May 28, 2019.