COPYRIGHT © D-WAVE 1 COMMERCIAL QUANTUM COMPUTING Q3 Investor Presentation

Certain statements in this presentation are forward-looking, as defined in the Private Securities Litigation Reform Act of 1995. These statements involve risks, uncertainties, and other factors that may cause actual results to differ materially from the information expressed or implied by these forward-looking statements and may not be indicative of future results. Forward-looking statements in this presentation include, but are not limited to, statements regarding the future growth of the quantum industry and potential investment in quantum; the pace and trajectory of the development of quantum technology; quantum’s future total addressable market (TAM); future commercial use- cases for quantum; D-Wave’s expected production deployments for customers; D-Wave’s anticipated progress towards achieving quantum supremacy in significant and meaningful problems; D-Wave’s plans for its Advantage2TM and Advantage3TM systems, as well as its other technological innovations; the potential for increase in value of D-Wave’s technology; D-Wave’s potential to obtain additional financing through the ELOC; and D-Wave’s anticipated SOC 2 Type 2 compliance. These forward-looking statements are subject to a number of risks and uncertainties, including, among others, various factors beyond management’s control, including the potential for D-Wave’s competitors to outpace its technological growth; our ability to raise funds under the ELOC or otherwise; general economic conditions and other risks; our ability to expand our customer base and the customer adoption of our solutions; risks within D-Wave’s industry, including anticipated trends, growth rates, and challenges for companies engaged in the business of quantum computing and the markets in which they operate; the outcome of any legal proceedings that may be instituted against us; risks related to the performance of our business and the timing of expected business or financial milestones; unanticipated technological or project development challenges, including with respect to the cost and/or timing thereof; the performance of our products; the effects of competition on our business; the risk that we will need to raise additional capital to execute our business plan, which may not be available on acceptable terms or at all; the risk that we may never achieve or sustain profitability; the risk that we are unable to secure or protect our intellectual property; volatility in the price of our securities; the risk that our securities will not maintain the listing on the NYSE; and the numerous other factors set forth in D-Wave’s Annual Report on Form 10-K for its fiscal year ended December 31, 2022 and other filings with the Securities and Exchange Commission. Undue reliance should not be placed on the forward-looking statements in this presentation in making an investment decision, which are based on information available to us on the date hereof. We undertake no duty to update this information unless required by law. COPYRIGHT © D-WAVE 2 FORWARD-LOOKING STATEMENTS

COPYRIGHT © D-WAVE 3 O U R M I S S I O N TO UNLOCK THE POWER OF QUANTUM COMPUTING TO BENEFIT BUSINESS AND SOCIETY STARTING TODAY

4 4 MARKET LEADER STRONG CUSTOMER BASE THOUGHT LEADERSHIP Top three quantum patent portfolio globally 40 PhDs 220+ U.S. granted patents 140+ Pending worldwide 60+% Annealing AND Gate Over 225 scientific papers published Quantum Annealing Fifth generation system 5000+ qubits Real-Time Quantum Cloud Quantum hybrid solvers 99% up-time Open-Source Python Tools Easily configurable Simplifies use of QC & HSS Customer PS On-Ramp From application eval to production deployment (Source: GlobalData) D-WAVE AT A GLANCE ESTABLISHED PRODUCT PORTFOLIO: • World’s largest quantum computer • Accessible through production-grade cloud service • Demonstrated advantage over classical computing GROWING COMMERCIAL ADOPTION: • 1st commercial quantum computing company • 30+ proven business use cases • Initial applications moving into production HIGH-VALUE CONSULTATIVE SERVICES: • 20+ successful POC engagements in 18 months • Advisory services to aid in production deployment INDUSTRY PERSPECTIVE: “We believe today’s quantum technology can play a key role in ensuring optimal and efficient construction and operation of buildings and are eager to use D-Wave’s quantum solutions in support of that effort.” – Dr. Reinhard Schlemmer, board member, VINCI Energies COPYRIGHT © D-WAVE

5 VALUE CREATION THROUGH THE ONGOING INTRODUCTION OF NEW USE CASES O p p o rt u n it y 2023 20262024 20… Workforce Scheduling Job Shop Scheduling Vehicle Routing Scheduling & Routing Wireless Infrastructure Optimization Network Flow Optimization Supply Chain Optimization Process & Flow Model Training Prompting Optimization Feature Selection Machine Learning Drug Discovery Protein Design Advanced Use Cases Energy Unit Commitment Production Application Use Cases 20282025 2027 2029 Missile Defense Optimization Satellite Placement Radar Scheduling Defense & Aerospace Resource Allocation Customer Offer Allocation Portfolio Optimization Allocation & Risk Management Fraud Detection $100B Market Opportunity COPYRIGHT © D-WAVE $100B Market Opportunity* * Based on D-Wave analysis

6 D-WAVE DIFFERENTIATORS 1 4 FIVE GENERATIONS ON-TIME DELIVERY Proven coherent quantum annealing QUANTUM ANNEALING Required for optimization problems 2 5 THREE MILLION TIMES SPEED-UP on a real-world materials problem 3 REAL-TIME QUANTUM CLOUD SERVICE for in-production applications 6 FIRST MOVER ADVANTAGE The only commercial quantum computing company FULL STACK PROVIDER Annealing & gate systems, cloud service, software tools, professional services COPYRIGHT © D-WAVE

CHOOSING THE RIGHT QUANTUM TECHNOLOGY ANNEALING OR GATE AN EASIER ON-RAMP TO QUANTUM COMPUTING ANNEALING Natively optimization Commercial today Employee Scheduling Autonomous Vehicle Routing Peptide Design Fraud Detection Patient Trial Optimization COMBINATORIAL OPTIMIZATION GATE-MODEL HIGHER INVESTMENT COST & LEARNING CURVE Suited to differential equations 7+ years to commercialization Designer Drugs New Materials Longer-Life Batteries DIFFERENTIAL EQUATIONS Machine Learning Cryptography Drug Toxicity Global Weather Modeling LINEAR ALGEBRA & FACTORIZATION COPYRIGHT © D-WAVE 7

COPYRIGHT © D-WAVE 8 LEADING THE COMMERCIALIZATION OF QUANTUM TECH Experimental / Research Product Commercialization GATE-MODEL PROCESSORS (ALL PLAYERS) ANNEALING PROCESSORS (ONLY D-WAVE) 2011 2015 2018 20192010 20202012 2013 2014 2016 2017 2021 2022 2023 2024E 2025E 2026E 2027E 2028E 2029E 2030E & Beyond Transition from government and academic to commercial customers D-Wave One™ System D-Wave Two™ System One Scalable and Error-Corrected Qubit Scalable and Error-Corrected Few Qubit Processor Noisy Intermediate Scale Quantum (NISQ) Transition to Commercial Product D-Wave 2000 ™ System D-Wave 2000Q LN System Advantage™ System Advantage2™ System D-Wave 2X™ System Advantage Performance System Advantage3™ System It is important to note that no one has yet shown a working error- corrected logical qubit that is scalable

80% OF COMPANIES plan to increase quantum computing (QC) commitment in next 2-3 years1 42% OF BUSINESS LEADERS see QC as key for logistics/supply chain management1 31% OF ENTERPRISES have abandoned complex problems because of time to solve2 CATALYSTS FOR ADOPTION: business process efficiencies, increased revenue1 BENEFITS: speed, cost, and accuracy OF COMPANIES FORSEE ANNUAL QC BUDGETS OF $15M OR HIGHER 1 33% EXPECTED TAM BY 2043 3 $850B NEAR-TERM COMMERCIAL USE CASES IDENTIFIED BY EXPERTS 4 99+ 1 . H y p e r i o n r e s e a r c h 2 . 4 5 1 r e s e a r c h 3 . B C G r e s e a r c h 4 . Mc K i n s e y r e s e a r c h THERE IS ALREADY STRONG DEMAND FOR QUANTUM SOLUTIONS COPYRIGHT © D-WAVE 9