Form 4 Filing for John Christopher Wall

On October 2, 2026, John Christopher Wall, President of QNX at BLACKBERRY Ltd, reported several transactions involving common shares and restricted share units (RSUs). Wall acquired 6,146 common shares through the vesting of RSUs, with a reported price of $0.00 (as per footnote F1, which indicates units represent a contingent right to receive shares or cash). Following this acquisition, Wall directly owned 17,398 common shares. Concurrently, Wall disposed of 3,474 common shares. These shares were sold at a weighted average price of $9.18 (as per footnotes F3 and F4, indicating a range of $9.01 to $9.32 and conversion from CAD to USD). The disposal was to cover withholding taxes upon the vesting of RSUs (footnote F2). After this sale, Wall directly owned 13,924 common shares. Additionally, Wall