X0609 4 2026-06-02 0 0001419945 TEEKAY TANKERS LTD. TNK 0001976967 Antturi Peter true 1090 HOMER STREET SUITE 312 VANCOUVER A1 V6B 2W9 BRITISH COLUMBIA, CANADA 1 0 0 0 0 Dividend Equivalent Rights 2026-06-02 4 A 0 77.1375 0 A Class A Common Shares 77.1375 77.1375 D 77.1375 DERs accrued on previously deferred RSUs. The total number of accrued DERs is calculated as of the dividend record date by multiplying the dividend per share ($1.25) by the number of outstanding RSUs, deferred RSUs and, to the extent applicable, previously accrued DERs and then dividing the result by the fair value of the common stock on the dividend payment date. Each DER is the economic equivalent of one share. /s/ Peter Antturi 2026-06-03