X0306 4 2020-08-31 0 0001120193 NASDAQ, INC. NDAQ 0001568592 Peterson Bradley J 151 W. 42ND STREET NEW YORK NY 10036 0 1 0 0 Executive Vice President Common Stock, par value $0.01 per share 2020-08-31 4 S 0 1500 135.00 D 24333 D The reported sale was effected pursuant to a Rule 10b5-1 trading plan. Represents (i) 15,866 shares or units of restricted stock, of which 11,965 are vested, (ii) 6,957 shares underlying PSUs, all of which are vested and (iii) 1,510 shares purchased under the Employee Stock Purchase Plan. /s/ Alex Kogan, by power of attorney 2020-09-02