X0306 4 2021-02-08 0 0001120193 NASDAQ, INC. NDAQ 0001622630 Ottersgard Lars 151 W. 42ND STREET NEW YORK NY 10036 0 1 0 0 Executive Vice President Common stock, par value $0.01 per share 2021-02-08 4 S 0 5773 142.59 D 10173 D Common stock, par value $0.01 per share 2021-02-08 4 S 0 442 142.71 D 9731 D The price reported in this box is a weighted average price. These shares were sold in multiple transactions at prices ranging from $142.32 to $142.86, inclusive. The reporting person undertakes to provide to Nasdaq, any security holder of Nasdaq or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote (1) to this Form 4. Represents (i) 2,407 shares underlying PSUs, all of which are vested, (ii) 2,384 shares or units of restricted stock, of which none are vested, and (iii) 5,382 shares purchased under the Employee Stock Purchase Plan. The price reported in this box is a weighted average price. These shares were sold in multiple transactions at prices ranging from $142.67 to $142.74, inclusive. The reporting person undertakes to provide to Nasdaq, any security holder of Nasdaq or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote (3) to this Form 4. Represents (i) 2,407 shares underlying PSUs, all of which are vested, (ii) 2,384 shares or units of restricted stock, of which none are vested, and (iii) 4,940 shares purchased under the Employee Stock Purchase Plan. /s/ Alex Kogan, by power of attorney 2021-02-10