Summary of Magnite (MGNI) FY Conference Call - August 18, 2025 Company Overview - **Company**: Magnite (MGNI) - **Industry**: Digital Advertising, specifically focusing on Supply-Side Platform (SSP) for Connected TV (CTV) and programmatic advertising Key Points and Arguments 1. **Investment Case**: Magnite is positioned for growth despite a challenging macro ad environment, with a revenue growth of over 10%, EBITDA growth of 15%, and free cash flow growth of 20% in recent years [6][7][8] 2. **Market Position**: Magnite is the second-largest SSP with a 6% market share, significantly behind Google at 60% but ahead of PubMatic at 4% [12] 3. **Growth Drivers**: The company has seen improved growth rates due to exclusive partnerships and a shift in how publishers view SSPs, moving from multiple partners to a single trusted partner for monetization [10][15][16] 4. **Connected TV (CTV) Revenue**: CTV accounted for 44% of revenues last quarter, with expectations for continued growth in this segment [24][26] 5. **Programmatic Advertising**: The shift towards programmatic advertising is accelerating, with significant growth opportunities as more businesses, including SMBs, enter the market [21][22] 6. **SpringServe Platform**: The integration of SpringServe enhances operational efficiency and customer retention, with a 75% crossover of customers using both ad serving and SSP services [40][41] 7. **Market Conditions**: The overall marketplace is stable, with growth driven by unique deals and partnerships, despite some caution due to broader economic conditions [52][53] 8. **Antitrust Context**: The upcoming Google antitrust trial is seen as a potential catalyst for market share shifts, with expectations that behavioral remedies could lead to significant share gains for Magnite [61][68][70] Additional Important Insights 1. **Long-Tail Publishers**: The decline in click-through rates due to AI search trends primarily affects lower-quality publishers, while Magnite's business remains insulated due to its focus on premium publishers [28][30][34] 2. **Market Share Potential**: If Google’s market share were to decline due to antitrust actions, Magnite could potentially capture a significant portion of that share, translating to substantial revenue increases [67][69] 3. **Clearline Initiative**: This initiative aims to provide a more competitive pricing structure for programmatic guaranteed deals, allowing for more direct transactions between buyers and publishers [46][50] 4. **Future Outlook**: The company is optimistic about future growth, citing a strong pipeline of new partnerships and the ability to convert these into revenue [78] This summary encapsulates the key insights from the conference call, highlighting Magnite's strategic positioning, growth potential, and the implications of the evolving digital advertising landscape.

Financial Data and Key Metrics Changes - Q1 2025 total revenue was $156 million, up 4% from Q1 2024, with contribution ex TAC at $146 million, an increase of 12% [21][25] - Adjusted EBITDA grew 47% year-over-year to $37 million, reflecting a margin of 25%, compared to 19% in Q1 2024 [6][25] - Net loss for the quarter was $10 million, improved from a net loss of $18 million in Q1 2024 [25][26] Business Line Data and Key Metrics Changes - CTV contribution ex TAC was $63 million, up 15% year-over-year, exceeding guidance [21][22] - DV plus contribution ex TAC was $83 million, an increase of 9% from the previous year, also exceeding guidance [22][25] - Contribution ex TAC mix for Q1 was 43% CTV, 40% mobile, and 17% desktop [23] Market Data and Key Metrics Changes - Strong growth in CTV driven by partnerships with major players like Roku, Netflix, and Warner Bros. Discovery [7][10] - Agency marketplaces powered by Clearline product remain a bright spot, with strong support from buyers like GroupM and Omnicom [11] - Live sports segment saw growth with nearly 20 partners using live stream acceleration technology [12] Company Strategy and Development Direction - The company is focused on enhancing its CTV capabilities through the next generation of SpringServe, set for general availability in July [8][9] - Emphasis on programmatic CTV as a structural advantage over legacy SSPs, aiming to capture more market share as budgets flow into CTV [13][18] - Investment in AI and machine learning to improve operational efficiency and audience targeting capabilities [15][16] Management's Comments on Operating Environment and Future Outlook - Management remains optimistic about the resilience of ad spend, with CTV contribution ex TAC growing in the mid-teens in Q2 [20][19] - Caution expressed regarding potential dampening of growth rates due to tariff-related economic uncertainty [20][29] - Anticipation of significant upside from the recent antitrust ruling against Google, which could level the playing field in the ad tech industry [17][18] Other Important Information - Cash balance at the end of Q1 was $430 million, down from $483 million at the end of Q4 2024, attributed to seasonality and share repurchases [26][27] - The company has reduced its Term Loan B interest rate, resulting in annual interest savings of approximately $2.7 million [27] Q&A Session Summary Question: What is the potential opportunity from the Google antitrust case? - Management believes that behavioral remedies could provide immediate benefits, while structural changes may take longer [34] - Each 100 basis point increase in market share could result in approximately $50 million in contribution ex TAC [35][36] Question: How does the new SpringServe platform differentiate Magnite? - The integration of ad server and SSP capabilities creates a more efficient path to premium CTV inventory, enhancing competitive advantage [40][41] Question: What are the trends in customer and advertiser conversations? - Conversations indicate a cautious but steady ad spend, with no significant cuts reported, although some sectors like European auto are experiencing declines [51][52] Question: How is the pricing environment in CTV? - There has been a decline in CPMs due to increased supply, but this is expected to lead to more programmatic transactions, benefiting the company [77][78] Question: What is the outlook for small and medium brands in CTV? - The decline in CPMs has created a more accessible entry point for SMBs to test CTV advertising [87] Question: How is Magnite involved in enhancing user targeting for Netflix? - The company is actively participating in building out features that enhance audience targeting, which could lead to higher value services [92]