Palantir Technologies Inc.

Rule 10b5-1 Trading Arrangements

During the quarter ended June 30, 2025, the following officers, 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 May 14, 2025, David Glazer, our Chief Financial Officer and Treasurer, terminated a Rule 10b5-1 trading arrangement, which was previously adopted on September 12, 2024 and intended to satisfy the affirmative defense of Rule 10b5-1(c). For additional details about the material terms of this arrangement, refer to the description under the heading “Rule 10b5-1 Trading Arrangements” contained in Part II, Item 5. Other Information of our Quarterly Report on Form 10-Q for the quarter ended September 30, 2024, which is incorporated herein by reference.

On May 14, 2025, Mr. Glazer terminated a later-commencing Rule 10b5-1 trading arrangement, which was previously adopted on March 12, 2025 and intended to satisfy the affirmative defense of Rule 10b5-1(c). For additional details about the material terms of this arrangement, refer to the description under the heading “Rule 10b5-1 Trading Arrangements” contained in Part II, Item 5. Other Information of our Quarterly Report on Form 10-Q for the quarter ended March 31, 2025, which is incorporated herein by reference.

On May 30, 2025, Jeffrey Buckley, our Chief Accounting Officer, adopted a Rule 10b5-1 trading arrangement providing for the potential sales of shares of our Class A common stock through various transactions upon the occurrence and satisfaction of certain price and/or other conditions, with 11,628 shares being the total of the maximum number of all shares subject to any condition when summed across all possible conditions, less any shares to be withheld and/or sold to satisfy applicable tax withholdings. The trading arrangement is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). The duration of the trading arrangement is until May 31, 2026, or earlier, upon the completion or expiration of all transactions subject to the trading arrangement.

On June 3, 2025, Mr. Glazer adopted a Rule 10b5-1 trading arrangement providing for the potential sales of shares of our Class A common stock through various transactions upon the occurrence and satisfaction of certain price and/or other conditions, with 329,400 shares being the total of the maximum number of all shares subject to any condition when summed across all possible conditions. The trading arrangement is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). The duration of the trading arrangement is until March 2, 2026, or earlier, upon the completion or expiration of all transactions subject to the trading arrangement.

During the quarter ended June 30, 2025, no other directors or officers, as defined in Rule 16a-1(f), adopted orterminated a “Rule 10b5-1 trading arrangement” or a “non-Rule 10b5-1 trading arrangement,” each as defined in Regulation S-K Item 408.