144 0001628098 XXXXXXXX LIVE 0001815442 Kymera Therapeutics, Inc. 001-39460 500 NORTH BEACON STREET, 4TH FLOOR WATERTOWN MA 02472 857-285-5314 Atlas Venture Fund X, L.P. Shareholder Common Merrill

555 California Street Floor 18 San Francisco CA 94104

13835 478275.95 61358262 06/12/2024 NASDAQ Common 03/11/2020 Private Placement Issuer N 13835 03/11/2020 Cash N Atlas Venture Fund X LP

300 Technology Square Suite 8 Cambridge MA 02139

Common 03/13/2024 115090 4859996.58 Atlas Venture Opportunity Fund I, LP

300 Technology Square Suite 8 Cambridge MA 02139

Common 03/13/2024 24165 1020434.59 Atlas Venture Fund X LP

300 Technology Square Suite 8 Cambridge MA 02139

Common 03/14/2024 46100 1842883.37 Atlas Venture Opportunity Fund I, LP

300 Technology Square, Suite 8 Cambridge MA 02139

Common 03/14/2024 9679 386925.56 Atlas Venture Fund X LP

300 Technology Square Suite 8 Cambridge MA 02139

Common 03/15/2024 59310 2399483.02 Atlas Venture Opportunity Fund I, LP

300 Technology Square Suite 8 Cambridge MA 02139

Common 03/15/2024 12454 503846.93 06/12/2024 01/22/2024 Ommer Chohan