SCHEDULE 13G/A 0001666121 XXXXXXXX LIVE 14 Class A Common Stock 12/31/2025 0001650372 Atlassian Corporation 049468101 350 Bush Street, Floor 13 San Francisco CA 94104 Rule 13d-1(d) Scott Farquhar C3 47534373.00 0.00 47534373.00 0.00 47534373.00 N 21.8 IN The shares reflected in Row 9 represent 47,534,373 shares of Class B Common Stock held of record by Farquhar Investment Partnership No. 2. The reporting person has sole voting power and sole dispositive power with respect to these shares. Each share of Class B Common Stock is convertible into one share of Class A Common Stock at any time at the option of the holder and upon the occurrence of certain other events as described in the Certificate of Incorporation of Atlassian Corporation (the "Issuer"). In addition, each share of Class B Common Stock will automatically convert into one share of Class A Common Stock upon any transfer, except for certain permitted transfers described in the Issuer's Certificate of Incorporation. The percent of class reflected in Row 11 was calculated based on 170,436,795 shares of Class A Common Stock and 95,068,747 shares of Class B Common Stock outstanding as of December 31, 2025, as reported by the Issuer to the reporting person, including the 47,534,373 shares of Class B Common Stock beneficially owned by the reporting person. The shares of Class B Common Stock held by the reporting person are treated as converted into shares of Class A Common Stock only for purposes of computing the percentage ownership of the reporting person pursuant to Rule 13d-3 of the Act. Each share of Class A Common Stock is entitled to one vote and each share of Class B Common Stock is entitled to ten votes. The percentage reported does not reflect the ten for one voting power of the Class B Common Stock. The shares of Class B Common Stock held by the reporting person represent approximately 42.4% of the aggregate combined voting power of the outstanding shares of Class A Common Stock and Class B Common Stock. Atlassian Corporation 350 Bush Street, Floor 13, San Francisco, California, 94104 Scott Farquhar Level 6, 341 George Street, Sydney, NSW 2000, Australia Australia Y 47,534,373 shares of Class B Common Stock, held of record by Farquhar Investment Partnership No. 2. Represents 21.8% of the outstanding shares of Class A Common Stock. This assumes that beneficially owned shares are treated as converted into shares of Class A Common Stock only for purposes of computing the percentage ownership of the reporting person pursuant to Rule 13d-3 of the Act. The percentage reported does not reflect the ten for one voting power of the Class B Common Stock. The percent of class was calculated based on 170,436,795 shares of Class A Common Stock outstanding as of December 31, 2025, plus 47,534,373 shares of Class B Common Stock beneficially owned by the reporting person.There were 170,436,795 shares of Class A Common Stock and 95,068,747 shares of Class B Common Stock outstanding as of December 31, 2025. The 47,534,373 shares of Class B Common Stock held by the reporting person represent approximately 42.4% of the aggregate combined voting power of the outstanding shares of Class A Common Stock and Class B Common Stock. 47,534,373 0 47,534,373 0 Y N Y Y Y Y Y Scott Farquhar /s/ Grant Reid 02/13/2026