X0306 4 2021-07-26 0 0001321655 Palantir Technologies Inc. PLTR 0001823951 Karp Alexander C. C/O PALANTIR TECHNOLOGIES INC. 1555 BLAKE STREET, SUITE 250 DENVER CO 80202 1 1 0 0 See Remarks Employee Stock Option (Right to buy) 0.103 2021-07-26 4 M 0 1915887 0.00 D 2021-12-03 Class B Common Stock 1915887 22654168 D Class B Common Stock 0.103 2021-07-26 4 M 0 1915887 0.00 A Class A Common Stock 1915887 30646713 D The indicated transactions are related and were undertaken in compliance with a preexisting Rule 10b5-1 trading plan. The Reporting Person exercised vested Class B Common Stock options that are expiring on December 3, 2021, resulting in a decrease in the number of outstanding options held and an increase in the number of shares of Class B Common Stock held. The options exercised in this transaction were fully vested and exercisable as of the transaction date. The Class B Common Stock is convertible into the Issuer's Class A Common Stock on a 1-for-1 basis and has no expiration date. Officer title: Chief Executive Officer /s/ Justin V. Laubach, under power of attorney 2021-07-28