X0609 4 2026-06-02 0 0001419945 TEEKAY TANKERS LTD. TNK 0001972297 Speers Brody true SUITE 2100, BENTALL 5 550 BURRARD STREET VANCOUVER A1 V6C2K2 BRITISH COLUMBIA, CANADA 0 1 0 0 Chief Financial Officer 0 Class A Common Shares 2026-06-02 4 M 0 2513.0409 A 2513.0409 D Class A Common Shares 2026-06-02 4 M 0 44.4913 A 2557.5322 D Class A Common Shares 2026-06-02 4 F 0 1370 70.59 D 1187.5322 D Dividend Equivalent Rights 2026-06-02 4 A 0 567.4918 0 A Class A Common Shares 567.4918 567.4918 D Restricted Stock Units 2026-06-02 4 M 0 490.6666 0 D Class A Common Shares 490.6666 489.6069 D Restricted Stock Units 2026-06-02 4 M 0 2022.3743 0 D Class A Common Shares 2022.3743 4044.7488 D Dividend Equivalent Rights 2026-06-02 4 M 0 44.4913 0 D Class A Common Shares 44.4913 523.0005 D The DERs accrued on three outstanding RSU awards and vest proportionately with the RSUs to which they relate. The number of DERs is calculated as of the dividend record date by multiplying the dividend per share ($1.25) by the number of outstanding RSUs, and, to the extent applicable, previously accrued DERs and then dividing the result by the fair value of the common share on the dividend payment date. Each DER is the economic equivalent of one share. Excludes DERs that accrued on outstanding RSUs prior to June 2, 2026, which are reflected in outstanding RSUs. Restricted stock units (RSUs) convert into Class A Common Shares on a one-for-one basis. The RSUs vested on June 2, 2026. Amounts reported include DERs that accrued on the RSUs prior to June 2, 2026. Settlement of Dividend Equivalent Rights (DERs) that accrued on June 2, 2026 and were settled in shares on vesting of the related RSUs on June 2, 2026. Excludes DERs that accrued on outstanding RSUs prior to June 2, 2026, which are reflected in outstanding RSUs. Restricted stock units (RSUs) convert into Class A Common Shares on a one-for-one basis. Settlement of Dividend Equivalent Rights (DERs) that accrued on June 2, 2026 and were settled in shares on vesting of the related RSUs on June 2, 2026. Represents shares withheld to pay tax withholding obligations due on the date of vesting of RSUs; not a market transaction. /s/ Brody Speers 2026-06-03