Core Insights - Discover reported stable consumer financial habits and improving credit metrics in Q1, including lower 30+ day delinquency rates [1][4] - The acquisition by Capital One is expected to enhance competition in payment networks and expand product offerings [2][3] Financial Performance - Discover's first-quarter earnings showed improving credit metrics, increased debit spending, and higher deposits ahead of the Capital One acquisition [2] - PULSE network volumes increased by 3% to $81.3 billion, driven by growth in debit spending [3] - Card sales were down 2% year over year, with sales volume at $49.3 billion [6][7] - Ending loan balances in the card business were $99 billion, down from $102.8 billion in the previous quarter [6] Consumer Behavior - Discover's customer behavior was stable, evidenced by spending, payment, and credit trends [4] - The 30+ day delinquency rate decreased by 0.18% compared to the previous quarter [4] Provision and Charge-offs - Discover's provision expense declined by $253 million, indicating a stable credit performance [5] - Personal loan balances remained flat at $10.1 billion, with net charge-offs at 4.21% [7] Deposits and Funding - Average consumer deposits increased by 6% year over year and 1% sequentially, with direct-to-consumer deposits growing by $2 billion [8] - Direct-to-consumer deposits now account for 74% of total funding [8] Segment Performance - The Diners Club segment showed robust growth, with volumes at $12 billion, up 18% year over year, driven by expansion in India and Israel [8]

Financial Performance - Discover Financial Services reported a 31% year-over-year increase in earnings per share for Q1 2025 [4][12] - Net income reached $1.1 billion, reflecting a 30% increase from the previous year [4][12] - The net interest margin improved to 12.18%, up 115 basis points year-over-year and 22 basis points sequentially [4][12] Credit and Loan Metrics - Card receivables decreased by 0.5% year-over-year, while Discover Card sales fell by 2% compared to the prior year [4][12] - Total net charge-offs were 4.99%, which is 7 basis points higher than the previous year and up 35 basis points from the prior quarter [4][12] - The thirty-plus day delinquency rate improved compared to the previous quarter, indicating stable credit performance [5][12] Deposits and Funding - Average consumer deposits increased by 6% year-over-year and 1% sequentially, with direct-to-consumer deposit balances growing by $2 billion [4][12] - Direct-to-consumer deposits now account for 74% of total funding, while average deposit rates were reduced by 22 basis points [12] Merger with Capital One - The merger with Capital One is expected to close on May 18, 2025, following approvals from regulatory bodies and shareholders [10][12] - Due to the merger timing, Discover shareholders will receive dividends declared on Capital One shares instead of Discover's own dividends [6][12] Operational Expenses - Total operating expenses increased by 1% year-over-year, with compensation costs rising by 10% due to higher wages and benefits [12] - Information processing expenses also increased by 10% due to technology investments [12] Capital Ratios - The Common Equity Tier 1 Ratio stood at 14.7%, up 60 basis points compared to the prior quarter, indicating strong capital levels [12]

Financial Data and Key Metrics Changes - Net income for Q1 2025 was $1.1 billion, a 30% increase from the prior year [8] - Earnings per share increased by 31% compared to last year, driven by a healthy net interest margin and good credit performance [6] - Provision expense declined by $253 million, reflecting a reduction in credit reserve balance and lower net charge offs [8] - Net interest margin ended the quarter at 12.18%, up 115 basis points from the prior year [9] Business Line Data and Key Metrics Changes - Card receivables were down 5% year over year due to modestly lower sales [9] - Discover card sales decreased by 2% compared to the prior year, attributed to past credit tightening actions [10] - Personal loan balances remained flat, with robust demand but slowed new originations due to conservative underwriting and increased competition [10] - Non-interest income increased by $20 million or 3%, driven by an increase in net discount and interchange revenue [12] Market Data and Key Metrics Changes - Average consumer deposits were up 6% year over year and 1% sequentially [11] - Direct to consumer deposit balances grew by $2 billion in the quarter, now accounting for 74% of total funding [11] - The thirty plus day delinquency rate decreased by 18 basis points compared to last quarter [7] Company Strategy and Development Direction - The merger with Capital One has been approved by regulatory bodies and is expected to close on May 18, 2025, which is anticipated to enhance competition in payment networks and broaden product offerings [5][6] - The company aims to increase resources devoted to innovation and security through the merger [6] Management Comments on Operating Environment and Future Outlook - Management is closely monitoring economic developments and consumer health amid increasing macroeconomic uncertainty [7] - The company has not provided an update on 2025 trends due to the upcoming merger [16] Other Important Information - The common equity Tier one ratio for the period was 14.7%, up 60 basis points compared to the prior quarter [15] - A quarterly cash dividend of $0.70 per share was declared, but shareholders will receive dividends from Capital One post-merger [16] Summary of Q&A Session - There was no question and answer session following the remarks [4]

Exhibit 99.3 1Q25 Financial Results April 23, 2025 2 1Q25 Highlights 3 • 1Q25 net income of $1.1Bn; diluted EPS of $4.25, and return on equity of 24% • Financial performance remains solid ◦ Revenue growth from margin expansion ◦ Good credit performance highlighted by a reserve release and lower net charge-offs ◦ Strong capital position; CET1 ratio of 14.7% • Prudently managing our business ◦ Customer trends are stable ◦ Monitoring economic developments • Secured all necessary approvals for our pending merge ...

Core Viewpoint - Analysts forecast Discover (DFS) will report quarterly earnings of $3.32 per share, reflecting a year-over-year increase of 201.8%, with revenues expected to be $4.21 billion, showing no change from the previous year [1] Earnings Estimates - Over the last 30 days, there has been a downward revision of 1.4% in the consensus EPS estimate for the quarter, indicating a collective reconsideration by analysts [2] - Changes in earnings estimates are crucial for predicting potential investor reactions, with empirical studies showing a strong relationship between earnings estimate revisions and short-term stock price performance [3] Key Metrics Forecast - Analysts predict 'Net Interest Margin' will reach 11.7%, up from 11% year-over-year [5] - 'Operating Efficiency' is estimated at 39.7%, down from 54.9% year-over-year [5] - 'Credit Card Loans - Discover Card Sales Volume' is expected to be $49.75 billion, compared to $50.14 billion in the same quarter last year [5] - 'Net Principal Charge-off Rate' is projected at 5.1%, up from 4.9% year-over-year [6] - 'Credit Card Loans - Total Discover Card Volume' is expected to be $52.52 billion, down from $53.24 billion year-over-year [6] - 'Network Volume - Total Payment Services' is forecasted to reach $105.02 billion, compared to $100.32 billion in the same quarter last year [7] - 'Tier 1 Risk Based Capital Ratio' is expected to be 15.4%, up from 11.7% year-over-year [7] - 'Transactions Processed on Networks - Total' is estimated at $3.43 billion, compared to $3.20 billion last year [8] - 'Network Volume - Diners Club International' is forecasted to reach $10.83 billion, up from $10.18 billion year-over-year [8] - 'Network Volume - Network Partners' is estimated at $9.45 billion, down from $11.07 billion year-over-year [9] - 'Network Volume - PULSE Network' is expected to reach $85.72 billion, up from $79.07 billion year-over-year [9] - 'Transactions Processed on Networks - Discover Network' is projected at $909.38 million, compared to $883 million last year [10] Stock Performance - Shares of Discover have shown returns of -3.2% over the past month, compared to the Zacks S&P 500 composite's -5.6% change, with a Zacks Rank 3 (Hold) indicating expected performance in line with the overall market [11]