Block Inc

During the quarterly period ended December 31, 2023, the following officer, as defined in Rule 16a-1(f), adopted or terminated a “Rule 10b5-1 trading arrangement” as defined in Regulation S-K Item 408, as follows:

On November 29, 2023, Brian Grassadonia, our Chief Executive Officer, Cash App, adopted a Rule 10b5-1 trading arrangement providing for the sale from time to time of an aggregate of up to 652,282 shares of our Class A common stock, which includes the exercise of up to 412,122 options and the corresponding sale of enough of the resulting 412,122 shares of Class A common stock required to cover the exercise price, withholding taxes, commissions and fees related to exercising the aforementioned options. The trading arrangement is intended to satisfy the affirmative defense in Rule 10b5-1(c). The duration of the trading arrangement is until March 30, 2025, or earlier if all transactions under the trading arrangement are completed.

No other officers or directors, as defined in Rule 16a-1(f), adopted and/orterminated a “Rule 10b5-1 trading arrangement” or a “non-Rule 10b5-1 trading arrangement,” as defined in Regulation S-K Item 408, during the last fiscal quarter.