X0306 4 2021-02-23 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 2021-02-23 4 A 0 33819 0.00 A 51408 D Common Stock, par value $0.01 per share 2021-02-23 4 F 0 14110 140.34 D 37298 D Common Stock, par value $0.01 per share 2021-02-24 4 S 0 5000 139.81 D 32298 D Common Stock, par value $0.01 per share 2021-02-24 4 S 0 5000 139.44 D 27298 D Common Stock, par value $0.01 per share 2021-02-24 4 S 0 5000 139.45 D 22298 D Represents the settlement of performance share units (PSUs) that were previously granted under Nasdaq's Equity Incentive Plan. The ultimate amount of shares to be received under the grant depended upon the achievement of performance goals during a three-year performance period from January 1, 2018 through December 31, 2020. Represents the surrender of shares to pay withholding taxes in connection with the settlement of PSUs, as described above. The reported sale was effected pursuant to a Rule 10b5-1 trading plan. The price reported in this box is a weighted average price. These shares were sold in multiple transactions at prices ranging from $138.37 to $140.17, 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 (4) to this Form 4. The reported sale was effected pursuant to a Rule 10b5-1 trading plan. The price reported in this box is a weighted average price. These shares were sold in multiple transactions at prices ranging from $138.53 to $140.17, 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 (6) to this Form 4. Represents (i) 15,866 shares or units of restricted stock, of which 11,965 are vested, (ii) 4,893 shares underlying PSUs, all of which are vested and (iii) 1,539 shares purchased under the Employee Stock Purchase Plan. /s/ Alex Kogan, by power of attorney 2021-02-25