X0508 4 2024-12-10 0 0001907982 D-Wave Quantum Inc. QBTS 0001396318 PUBLIC SECTOR PENSION INVESTMENT BOARD 1250 RENE-LEVESQUE BLVD WEST SUITE 1400 MONTREAL A8 H3B 5E9 QUEBEC, CANADA 0 0 1 0 0 Common Stock 2024-12-10 4 S 0 643866 4.868 D 18730193 D Common Stock 2024-12-11 4 S 0 872175 5.012 D 17858018 D Common Stock 2024-12-11 4 S 0 8420425 4.2476 D 9437593 D Common Stock 2024-12-12 4 S 0 8437593 4.207 D 1000000 D The number of securities reported represents an aggregate number of shares sold in multiple open market transactions over a range of sales prices. The price reported represents the weighted average price. The Reporting Person undertakes to provide the staff of the SEC, the Issuer, or a stockholder of the Issuer, upon request, the number of shares sold by the Reporting Person at each separate price within the range. Sales prices range from $4.85 to $4.925 per share, inclusive. Sales prices range from $4.98 to $5.05 per share, inclusive. Sales prices range from $4.01 to $4.94 per share, inclusive. Sales prices range from $3.83 to $4.605 per share, inclusive. /s/ Martine Vanasse, MD & Chief Compliance Officer 2024-12-12