144 0001666121 XXXXXXXX LIVE 0001650372 Atlassian Corporation 001-37651 350 Bush Street, Floor 13 San Francisco CA 94104 4157011110 FARQUHAR INVESTMENT PARTNERSHIP 2 Director 10% Stockholder COMMON Morgan Stanley Smith Barney LLC Executive Financial Services

1 New York Plaza 8th Floor New York NY 10004

459900 73924326.00 168042351 12/09/2025 NASDAQ Common 07/02/2010 Founders Shares Issuer N 459900 07/02/2010 N/A N 10b5-1 Sales for FARQUHAR INVESTMENT PARTNERSHIP 2

350 Bush Street, Floor 13 San Francisco CA 94104

COMMON 12/08/2025 7665 1231765.50 10b5-1 Sales for FARQUHAR INVESTMENT PARTNERSHIP 2

350 Bush Street, Floor 13 San Francisco CA 94104

COMMON 12/05/2025 7665 1230090.70 10b5-1 Sales for FARQUHAR INVESTMENT PARTNERSHIP 2

350 Bush Street, Floor 13 San Francisco CA 94104

COMMON 12/04/2025 7665 1193452.00 10b5-1 Sales for FARQUHAR INVESTMENT PARTNERSHIP 2

350 Bush Street, Floor 13 San Francisco CA 94104

COMMON 12/03/2025 7665 1188658.31 10b5-1 Sales for FARQUHAR INVESTMENT PARTNERSHIP 2

350 Bush Street, Floor 13 San Francisco CA 94104

COMMON 12/02/2025 7665 1184529.17 10b5-1 Sales for FARQUHAR INVESTMENT PARTNERSHIP 2

350 Bush Street, Floor 13 San Francisco CA 94104

COMMON 12/01/2025 7665 1165398.86 10b5-1 Sales for FARQUHAR INVESTMENT PARTNERSHIP 2

350 Bush Street, Floor 13 San Francisco CA 94104

COMMON 11/28/2025 7665 1150698.93 10b5-1 Sales for FARQUHAR INVESTMENT PARTNERSHIP 2

350 Bush Street, Floor 13 San Francisco CA 94104

COMMON 11/26/2025 7665 1136611.42 10b5-1 Sales for FARQUHAR INVESTMENT PARTNERSHIP 2

350 Bush Street, Floor 13 San Francisco CA 94104

COMMON 11/25/2025 7665 1143612.63 10b5-1 Sales for FARQUHAR INVESTMENT PARTNERSHIP 2

350 Bush Street, Floor 13 San Francisco CA 94104

COMMON 11/24/2025 7665 1123835.40 10b5-1 Sales for FARQUHAR INVESTMENT PARTNERSHIP 2

350 Bush Street, Floor 13 San Francisco CA 94104

COMMON 11/21/2025 7665 1103930.16 10b5-1 Sales for FARQUHAR INVESTMENT PARTNERSHIP 2

350 Bush Street, Floor 13 San Francisco CA 94104

COMMON 11/20/2025 7665 1115452.19 10b5-1 Sales for FARQUHAR INVESTMENT PARTNERSHIP 2

350 Bush Street, Floor 13 San Francisco CA 94104

COMMON 11/19/2025 7665 1131569.39 10b5-1 Sales for FARQUHAR INVESTMENT PARTNERSHIP 2

350 Bush Street, Floor 13 San Francisco CA 94104

COMMON 11/18/2025 7665 1131842.26 10b5-1 Sales for FARQUHAR INVESTMENT PARTNERSHIP 2

350 Bush Street, Floor 13 San Francisco CA 94104

COMMON 11/17/2025 7665 1129893.05 10b5-1 Sales for FARQUHAR INVESTMENT PARTNERSHIP 2

350 Bush Street, Floor 13 San Francisco CA 94104

COMMON 11/14/2025 7665 1168979.19 10b5-1 Sales for FARQUHAR INVESTMENT PARTNERSHIP 2

350 Bush Street, Floor 13 San Francisco CA 94104

COMMON 11/13/2025 7665 1178677.71 10b5-1 Sales for FARQUHAR INVESTMENT PARTNERSHIP 2

350 Bush Street, Floor 13 San Francisco CA 94104

COMMON 11/12/2025 7665 1187852.72 10b5-1 Sales for FARQUHAR INVESTMENT PARTNERSHIP 2

350 Bush Street, Floor 13 San Francisco CA 94104

COMMON 11/11/2025 7665 1228733.23 10b5-1 Sales for FARQUHAR INVESTMENT PARTNERSHIP 2

350 Bush Street, Floor 13 San Francisco CA 94104

COMMON 11/10/2025 7665 1211063.10 10b5-1 Sales for FARQUHAR INVESTMENT PARTNERSHIP 2

350 Bush Street, Floor 13 San Francisco CA 94104

COMMON 11/07/2025 7665 1192500.77 10b5-1 Sales for FARQUHAR INVESTMENT PARTNERSHIP 2

350 Bush Street, Floor 13 San Francisco CA 94104

COMMON 11/06/2025 7665 1194831.70 10b5-1 Sales for FARQUHAR INVESTMENT PARTNERSHIP 2

350 Bush Street, Floor 13 San Francisco CA 94104

COMMON 11/05/2025 7665 1246792.73 10b5-1 Sales for FARQUHAR INVESTMENT PARTNERSHIP 2

350 Bush Street, Floor 13 San Francisco CA 94104

COMMON 11/04/2025 7665 1266595.26 10b5-1 Sales for FARQUHAR INVESTMENT PARTNERSHIP 2

350 Bush Street, Floor 13 San Francisco CA 94104

COMMON 11/03/2025 7665 1324394.73 10b5-1 Sales for FARQUHAR INVESTMENT PARTNERSHIP 2

350 Bush Street, Floor 13 San Francisco CA 94104

COMMON 10/31/2025 7665 1284762.08 10b5-1 Sales for FARQUHAR INVESTMENT PARTNERSHIP 2

350 Bush Street, Floor 13 San Francisco CA 94104

COMMON 10/30/2025 7665 1239814.52 10b5-1 Sales for FARQUHAR INVESTMENT PARTNERSHIP 2

350 Bush Street, Floor 13 San Francisco CA 94104

COMMON 10/29/2025 7665 1229503.56 10b5-1 Sales for FARQUHAR INVESTMENT PARTNERSHIP 2

350 Bush Street, Floor 13 San Francisco CA 94104

COMMON 10/28/2025 7665 1254509.85 10b5-1 Sales for FARQUHAR INVESTMENT PARTNERSHIP 2

350 Bush Street, Floor 13 San Francisco CA 94104

COMMON 10/27/2025 7665 1264963.38 10b5-1 Sales for FARQUHAR INVESTMENT PARTNERSHIP 2

350 Bush Street, Floor 13 San Francisco CA 94104

COMMON 10/24/2025 7665 1260917.79 10b5-1 Sales for FARQUHAR INVESTMENT PARTNERSHIP 2

350 Bush Street, Floor 13 San Francisco CA 94104

COMMON 10/23/2025 7665 1263234.16 10b5-1 Sales for FARQUHAR INVESTMENT PARTNERSHIP 2

350 Bush Street, Floor 13 San Francisco CA 94104

COMMON 10/22/2025 7665 1296643.59 10b5-1 Sales for FARQUHAR INVESTMENT PARTNERSHIP 2

350 Bush Street, Floor 13 San Francisco CA 94104

COMMON 10/21/2025 7665 1270564.20 10b5-1 Sales for FARQUHAR INVESTMENT PARTNERSHIP 2

350 Bush Street, Floor 13 San Francisco CA 94104

COMMON 10/20/2025 7665 1205579.56 10b5-1 Sales for FARQUHAR INVESTMENT PARTNERSHIP 2

350 Bush Street, Floor 13 San Francisco CA 94104

COMMON 10/17/2025 7665 1159008.55 10b5-1 Sales for FARQUHAR INVESTMENT PARTNERSHIP 2

350 Bush Street, Floor 13 San Francisco CA 94104

COMMON 10/16/2025 7665 1160119.21 10b5-1 Sales for FARQUHAR INVESTMENT PARTNERSHIP 2

350 Bush Street, Floor 13 San Francisco CA 94104

COMMON 10/15/2025 7665 1163773.88 10b5-1 Sales for FARQUHAR INVESTMENT PARTNERSHIP 2

350 Bush Street, Floor 13 San Francisco CA 94104

COMMON 10/14/2025 7665 1177322.54 10b5-1 Sales for FARQUHAR INVESTMENT PARTNERSHIP 2

350 Bush Street, Floor 13 San Francisco CA 94104

COMMON 10/13/2025 7665 1132968.25 10b5-1 Sales for FARQUHAR INVESTMENT PARTNERSHIP 2

350 Bush Street, Floor 13 San Francisco CA 94104

COMMON 10/10/2025 7665 1117948.68 10b5-1 Sales for FARQUHAR INVESTMENT PARTNERSHIP 2

350 Bush Street, Floor 13 San Francisco CA 94104

COMMON 10/09/2025 7665 1138581.33 10b5-1 Sales for FARQUHAR INVESTMENT PARTNERSHIP 2

350 Bush Street, Floor 13 San Francisco CA 94104

COMMON 10/08/2025 7665 1156860.82 10b5-1 Sales for FARQUHAR INVESTMENT PARTNERSHIP 2

350 Bush Street, Floor 13 San Francisco CA 94104

COMMON 10/07/2025 7665 1134639.99 10b5-1 Sales for FARQUHAR INVESTMENT PARTNERSHIP 2

350 Bush Street, Floor 13 San Francisco CA 94104

COMMON 10/06/2025 7665 1155517.15 10b5-1 Sales for FARQUHAR INVESTMENT PARTNERSHIP 2

350 Bush Street, Floor 13 San Francisco CA 94104

COMMON 10/03/2025 7665 1156323.50 10b5-1 Sales for FARQUHAR INVESTMENT PARTNERSHIP 2

350 Bush Street, Floor 13 San Francisco CA 94104

COMMON 10/02/2025 7665 1154408.02 10b5-1 Sales for FARQUHAR INVESTMENT PARTNERSHIP 2

350 Bush Street, Floor 13 San Francisco CA 94104

COMMON 10/01/2025 7665 1168920.17 10b5-1 Sales for FARQUHAR INVESTMENT PARTNERSHIP 2

350 Bush Street, Floor 13 San Francisco CA 94104

COMMON 09/30/2025 7665 1223444.38 10b5-1 Sales for FARQUHAR INVESTMENT PARTNERSHIP 2

350 Bush Street, Floor 13 San Francisco CA 94104

COMMON 09/29/2025 7665 1275157.83 10b5-1 Sales for FARQUHAR INVESTMENT PARTNERSHIP 2

350 Bush Street, Floor 13 San Francisco CA 94104

COMMON 09/26/2025 7665 1266697.97 10b5-1 Sales for FARQUHAR INVESTMENT PARTNERSHIP 2

350 Bush Street, Floor 13 San Francisco CA 94104

COMMON 09/25/2025 7665 1246168.80 10b5-1 Sales for FARQUHAR INVESTMENT PARTNERSHIP 2

350 Bush Street, Floor 13 San Francisco CA 94104

COMMON 09/24/2025 7665 1265408.72 10b5-1 Sales for FARQUHAR INVESTMENT PARTNERSHIP 2

350 Bush Street, Floor 13 San Francisco CA 94104

COMMON 09/23/2025 7665 1274784.55 10b5-1 Sales for FARQUHAR INVESTMENT PARTNERSHIP 2

350 Bush Street, Floor 13 San Francisco CA 94104

COMMON 09/22/2025 7665 1304602.93 10b5-1 Sales for FARQUHAR INVESTMENT PARTNERSHIP 2

350 Bush Street, Floor 13 San Francisco CA 94104

COMMON 09/19/2025 7665 1297836.27 10b5-1 Sales for FARQUHAR INVESTMENT PARTNERSHIP 2

350 Bush Street, Floor 13 San Francisco CA 94104

COMMON 09/18/2025 7665 1303724.52 10b5-1 Sales for FARQUHAR INVESTMENT PARTNERSHIP 2

350 Bush Street, Floor 13 San Francisco CA 94104

COMMON 09/17/2025 7665 1330361.16 10b5-1 Sales for FARQUHAR INVESTMENT PARTNERSHIP 2

350 Bush Street, Floor 13 San Francisco CA 94104

COMMON 09/16/2025 7665 1330074.49 10b5-1 Sales for FARQUHAR INVESTMENT PARTNERSHIP 2

350 Bush Street, Floor 13 San Francisco CA 94104

COMMON 09/15/2025 7665 1338137.30 10b5-1 Sales for FARQUHAR INVESTMENT PARTNERSHIP 2

350 Bush Street, Floor 13 San Francisco CA 94104

COMMON 09/12/2025 7665 1342679.58 10b5-1 Sales for FARQUHAR INVESTMENT PARTNERSHIP 2

350 Bush Street, Floor 13 San Francisco CA 94104

COMMON 09/11/2025 7665 1359211.46 10b5-1 Sales for FARQUHAR INVESTMENT PARTNERSHIP 2

350 Bush Street, Floor 13 San Francisco CA 94104

COMMON 09/10/2025 7665 1347211.90 12/09/2025 02/12/2025 /s/ Scott Farquhar