Investor Overview March 2014 Safe Harbor This presentation contains forward-looking statements including, among other things, statements regarding our business, momentum, growth and future plans. These forward-looking statements are subject to the safe harbor provisions created by the Private Securities Litigation Reform Act of 1995. Actual results could differ materially from those projected in the forward-looking statements as a result of certain risk factors, including but not limited to (i) adverse changes in general economic or market conditions; (ii) delays, reductions or slower growth in the amount spent on online and mobile advertising and the development of the market for cloud-based software; (iii) competitive factors, including but not limited to pricing pressures, entry of new competitors and new applications; (iv) adverse changes in our relationships with and access to publishers and advertising agencies; (v) level of usage and advertising spend managed on our platform; (vi) our ability to expand sales of our solutions in channels other than search advertising; (vii) our ability to expand our sales and marketing capabilities and manage our growth effectively; (viii) the development of the market for digital advertising or revenue acquisition management; (ix) acceptance and continued usage of our platform and services by customers and our ability to provide high-quality technical support to our customers; (x) material defects in our platform, service interruptions at our data center or breaches in our security measures; (xi) our ability to develop enhancements to our platform; (xii) our ability to protect our intellectual property; (xiii) our ability to manage risks associated with international operations; and (xiv) our ability to retain and attract qualified management and technical personnel. These forward looking statements are based on current expectations and are subject to uncertainties and changes in condition, significance, value and effect as well as other risks detailed in documents filed with the Securities and Exchange Commission, including in the section entitled “Risk Factors” in our quarterly report on Form 10-K for the year ended December 31, 2013, and our other filings with the SEC, which are available free of charge at the Investor Center section of our website at http://investor.marinsoftware.com/, all of which could cause actual results to differ materially from expectations set forth in the forward-looking statements. All forward-looking statements in this presentation reflect Marin’s expectations as of February 11, 2014. Marin assumes no obligation to, and expressly disclaims any obligation to update any such forward-looking statements after the date of this presentation. 1 SaaS Platform for Digital Ad Management Measure Manage Optimize Better Decisions Time Savings Financial Lift 2 Revenue Acquisition Management Leader 673 active advertisers 6.3 billion ad units managed Campaigns in 160 countries $6.0BN of annualized ad spend in Q4 2013 Annual Revenue ($MM) $77.3 $59.6 $36.1 $19.0 $7.5 2009 2010 2011 2012 2013 3 Investment Highlights Serving Large and Fast Growing Digital Ads Market Search Display Leader in Revenue Acquisition Management Comprehensive Analytical and Transactional Platform High Growth SaaS Model with Participatory Economics Social Mobile Proven Results for Blue-Chip Customers 4 Large, Fast-Growing Digital Advertising Market Source: Magna Global, Digital Media Forecasts, December 2013. $ in billions *CAGR 2013-2018 5 Increasing Digital Marketing Challenges Complexity Fragmentation Scale 6 Day in the Life of a Digital Marketer Operational Tasks Optimizations Strategic Opportunities Format tracking codes Refine keywords and targeting Allocate budgets Stitch cost and revenue data Test creative and landing pages Launch new products and offers Pivot and trend data in excel Geo and device targeting Test new channels and publishers Build reports for management Adjust and optimize bids Forecast volume, profit and cost Format bulk sheets for upload Day-part campaigns Adjust to budget variances 7 Revenue Acquisition Management Platform Publisher Data Revenue & Conversion Data Ad Servers Search Display Social Optimization Campaign Management Analytics Marin Tracker Reporting & Analytics Offline Data Mobile Measure Manage Optimize 8 RAM Platform: Powerful & Easy To Use Analytics to Action Interface 9 Applied Big Data & Customer-Focused Innovation 6.3 Billion Ad units under management 3 Million Queries per month 80 Million Campaign changes per day 250+ Terabytes Stored across 50DB 1 Code Base Multi-tenant architecture 11 Major Releases Annually Iterative development 10 Key Online Ad Trends Favor a Platform Move from keywords to audiences Proliferation of channels, devices, publishers, and ad units Multi-channel bidding and attribution Focus on customers (and lifetime value) not transactions via CRM data Integrate and leverage disparate data sources 11 Marin’s Product Vision Advertisers will want a platform that connects with all their disparate data sources to ensure decisions are made using all their data. The future is targeting audiences with added insights driven by search intent and attribution. Single platform and user interface for all marketing channels and devices Open platform with access to any number of marketing applications in an integrated manner (App Store) 12 Independent, Open Platform for Cross-Channel Revenue Acquisition 13 Audience Connect: Using Data to Drive Performance Blue Kai / Exelate / Lotame / Etc. ■ Audience Analytics ■ Look-Alike Modeling for Audience Expansion ■ Intent-based Remarketing ■ Audience-based Bidding for Search Optimization 14 Audience Connect: Distribution and Optimization 15 Revenue Connect: Optimize Using Your Own Data True Revenue Valuation Offline Conversion Tracking Forecasting Lifetime Value Flexible Revenue Capture Certified Revenue Partner Ecosystem 16 Report and Optimize Across Your Portfolio of Channels Cross Channel Management Integrated Reporting and Analytics Flexible Revenue Tracking Automated Bid Calculations For Any Publisher, Any Goal Attribution Across Publishers 17 Channel Connect: More Options for RAM Publisher data for reporting and optimization Twitter and Yandex debut by end of Q2 2014 18 Context Connect: Action Via External Data Sources Connect any contextual data source Smarter decisions with greater insight Dynamically adjust campaign objects More intelligent bid optimization Customizable through Marin Labs 19 Optimize Using Data That Impacts Your Business DYNAMIC ACTIONS CONTEXT CONNECTIONS Schedule automated actions based on performance, attributes, and settings: Adjust bids based on Dimension values Pause objects based on conversion rate Increase budgets based on ROI Update landing pages based on CTR A flexible onramp for integrating and reporting on contextual data sources: Weather Stocks Sport scores Nielsen Rating Build complex actions to address marketing sophistication View external data sources alongside marketing performance Drive smarter optimization strategies 20 Open: BoostCTR Integration 21 Independent, Open, Extensible RAM Platform 22 Industry Leaders Grow Facebook Programs With Marin 23 Rapidly scale programs Acquire high LTV customers Drive mobile ROI Raise CTR’s and extend campaign life Meet any financial or social objective Global service and support “Marin has dramatically changed the way we advertise on Facebook and has made it one of our most effective performance marketing channels” - Chase Wells, Director of Marketing at Webtrends 23 Competitive Landscape Competition Publisher Tools Marin Independent, trusted 3rd party Cross publisher workflow and reporting Advanced bidding and optimization tools Technology Providers Ability to manage complexity and scale Open, extensible platform; enterprise-class data import and export capabilities Expert service teams with global reach Internal Build Leading combination of power and ease of use Support for new publisher innovation Software as a service pricing model 24 Large, Underpenetrated Market 2017 $174BN Digital Advertising Market 2012 $98BN Digital Advertising Market Source: Magna Global, Marin Internal 2017 8,500+ Enterprise Opportunities >$100K / Month 2012 5,500+ Enterprise Opportunities >$100K / Month 25 Multiple Growth Drivers Expand Internationally Add Platform Modules Support New Publishers Acquire New Customers Grow Existing Ad Spend 26 Experienced Management Team Customer-Centric, Team-Oriented Culture 27 Finance Overview Key Financial Highlights Strong Track Record of Growth 100% SaaS Subscription Model Increasing Ad Spend and Consistent Advertiser Growth Growth Through New and Existing Advertisers Highly Diversified Revenue Mix Significant Long-Term Operating Leverage 29 Strong Track Record of Growth Annual Revenue ($MM) $77.3 $59.6 $36.1 $19.0 $7.5 2009 2010 2011 2012 2013 Quarterly Revenue ($MM) $21.8 $20.1 $17.1 $17.2 $13.0 $14.0 $18.2 $15.5 $11.4 $9.5 $1.0 $1.4 Q1 Q2 $2.3 $2.9 $3.4 Q3 Q4 Q1 2009 $4.6 $5.0 Q2 Q3 2010 $6.0 Q4 $7.1 Q1 $8.1 Q2 Q3 2011 Q4 Q1 Q2 Q3 2012 Q4 Q1 Q2 Q3 Q4 2013 30 100% SaaS Subscription Model Example Customer Jan Feb Mar $0 $240,000 $500,000 3.50% 3.50% 3.00% Fee - % of Spend - $8,400 $15,000 Monthly Minimum $7,500 $7,500 $7,500 Marin Revenue $7,500 $8,400 $15,000 100% SaaS-Based Subscription Model Ad Spend Revenue Based on % of Monthly Ad Spend Rate Shared Customer Success – Virtuous Cycle Agency Direct Channel Leverage Generally 12 month terms 1-2 year fixed-rate contracts Minimum Fees – 50-70% of projected monthly revenues 31 Increasing Advertisers and Ad Spend Total Active Advertisers 673 487 502 Q2 Q3 531 542 Q4 Q1 584 610 436 390 337 50 79 Q1 Q2 134 151 100 116 Q3 Q4 Q1 Q2 2009 195 Q3 2010 223 240 Q4 Q1 280 Q2 Q3 Q4 2011 Q1 2012 Q2 Q3 Q4 2013 Annualized Advertising Spend Under Management ($BN) $6.0 $4.7 $3.2 $1.7 $0.6 2009 2010 2011 2012 Note: Annualized spend based on last month of the period. Active Advertisers based on Advertisers with $2,000 in revenue in at least one month of the quarter 2013 32 Highly Diversified Revenue Mix Diversified Advertiser Base Global Presence % Revenue Retail 21% Travel 17% Technology 14% Finance 13% B2B 10% Education Other 7% U.S. 69% International 31% Balanced Revenue Mix Agency 48% Direct 52% 18% Note: All metrics based on FY 2013; Other includes Automotive, Healthcare, Real Estate, Industrial / Manufacturing and Government. 33 Q4 Highlights & 2014 Guidance Strong Q4 performance, beating our guidance Improved gross margins Total cash on balance sheet as of December 2013: $104.4 million Guidance Revenue Non-GAAP Operating Loss Non-GAAP Net Loss per Share Q1: $21.4 to $21.8 million Q1: ($8.9) to ($8.5) million Q1: ($0.28) to ($0.26) 2014: $95.0 to $96.6 million 2014: ($30.5) to ($28.9) million 2014: ($0.94) to ($0.90) Note: Guidance as of February 11, 2014. See Q4-13 Earnings Release dated February 11, 2014 for Non-GAAP definition and reconciliation to GAAP metrics. 34 Investment Highlights Serving Large and Fast Growing Digital Ads Market Search Display Leader in Revenue Acquisition Management Comprehensive Analytical and Transactional Platform High Growth SaaS Model with Participatory Economics Social Mobile Proven Results for Blue-Chip Customers 35 Appendix GAAP to Non-GAAP Reconciliation Year Ended December 31 FY2012 FY2013 Q4’12 Q4’13 (in millions) Gross Profit (GAAP) Plus Stock-based Compensation Plus Amortization of Cap'd R&D Less Capitalized R&D costs $ 34.8 0.4 0.5 (0.0) $46.2 0.9 1.2 - $10.0 0.1 0.2 (0.0) $13.7 0.2 0.4 - Gross Profit (Non-GAAP) $35.7 $48.2 $10.3 $14.3 Operating loss (GAAP) Plus Stock-based Compensation Plus Amortization of Cap'd R&D Plus Noncash expense related to warrants Less Capitalized R&D costs ($25.3) 4.9 0.5 0.1 (1.7) ($34.3) 5.2 1.2 (3.2) ($6.8) 0.7 0.2 (0.5) ($7.9) 1.3 0.4 (0.7) Operating loss (Non-GAAP) ($21.5) ($31.2) ($6.4) ($6.9) Net Loss (GAAP) Plus Stock-based Compensation Plus Amortization of Cap'd R&D Plus Noncash expense related to warrants Less Capitalized R&D costs ($26.5) 4.9 0.5 0.6 (1.7) ($35.9) 5.2 1.2 0.5 (3.2) ($7.3) 0.7 0.2 0.2 (0.5) ($8.1) 1.3 0.4 0.1 (0.7) Net Loss (Non-GAAP) ($22.2) ($32.2) ($6.6) ($7.0) 37