X0306 4/A 2021-02-19 2021-02-23 0 0001321655 Palantir Technologies Inc. PLTR 0001824159 Sankar Shyam C/O PALANTIR TECHNOLOGIES INC. 1555 BLAKE STREET, SUITE 250 DENVER CO 80202 0 1 0 0 See Remarks Class A Common Stock 2021-02-22 4 C 0 300000 A 3229793 D Class A Common Stock 2021-02-22 4 S 0 300000 30.00 D 2929793 D Employee Stock Option (Right to buy) 4.72 2021-02-22 4 M 0 300000 0.00 D 2030-06-03 Class B Common Stock 300000 4035000 D Class B Common Stock 4.72 2021-02-22 4 M 0 300000 0.00 A Class A Common Stock 300000 300000 D Class B Common Stock 2021-02-22 4 C 0 300000 0.00 D Class A Common Stock 300000 0 D The original Form 4, filed February 23, 2021, inadvertently omitted reporting a related series of transactions undertaken on February 22, 2021 pursuant to a preexisting Rule 10b5-1 trading plan. The Reporting Person exercised 300,000 vested Class B Common Stock options, converted the resulting shares of Class B Common Stock to Class A Common Stock, and immediately sold the shares of Class A Common Stock in the open market. The other transactions listed on the original Form 4, filed February 23, 2021, are not restated here. 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. This transaction represents a sale of shares in the open market made at a price of $30.00 per share. The amount listed here is the correct amount as of February 22, 2021, after giving effect to all the Reporting Person's transactions on such date. The amounts reported for transactions dated February 23, 2021, as reported on the original Form 4, filed February 23, 2021, were correct. The options exercised in this transaction were fully vested and exercisable as of the transaction date. Officer title: Chief Operating Officer and Executive Vice President /s/ Justin V. Laubach, under power of attorney 2021-04-16