DROPBOX INC

Securities Trading Plans of Directors and Executive Officers

During our last fiscal quarter, the following directors and officers, as defined in Rule 16a-1(f), adopted a “Rule 10b5-1 trading arrangement” as defined in Regulation S-K Item 408, as follows:

On February 24, 2025, Karen Peacock, a member of our Board of Directors, adopted a Rule 10b5-1 trading arrangement providing for the sale from time-to-time of an aggregate of up to 11,000 shares of our Class A common stock. The trading arrangement is intended to satisfy the affirmative defense in Rule 10b5-1(c). The duration of the trading arrangement is until December 31, 2025, or earlier if all transactions under the trading arrangement are completed.

On March 6, 2025, Donald Blair, a member of our Board of Directors, adopted a Rule 10b5-1 trading arrangement providing for the sale from time-to-time of an aggregate of up to 100,637 shares of our Class A common stock. The trading arrangement is intended to satisfy the affirmative defense in Rule 10b5-1(c). The duration of the trading arrangement is until November 16, 2025, or earlier if all transactions under the trading arrangement are completed.

On March 12, 2025, Andrew Houston, our Chief Executive Officer and chair of our Board of Directors, adopted a Rule 10b5-1 trading arrangement providing for the sale from time-to-time of an aggregate of up to 8,266,666 shares of our Class A common stock and up to 1,550,000 shares of our Class B common stock. The trading arrangement is intended to satisfy the affirmative defense in Rule 10b5-1(c). The duration of the trading arrangement is until May 31, 2026, or earlier if all transactions under the trading arrangement are completed.

On March 14, 2025, Ashraf Alkarmi, our General Manager of Core Products, adopted a Rule 10b5-1 trading arrangement providing for the sale from time-to-time of an aggregate of up to 77,240 shares of our Class A common stock, although we expect the total number of such shares sold will ultimately be less than this amount due to withholding for applicable taxes. The trading arrangement is intended to satisfy the affirmative defense in Rule 10b5-1(c). The duration of the trading arrangement is until March 31, 2026, or earlier if all transactions under the trading arrangement are completed.

No other directors or officers, 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.