Investor OverviewMarch 2014

2

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.

SaaS Platform for Digital Ad Management

Better Decisions Time Savings Financial Lift

Measure Manage Optimize

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4

Revenue Acquisition Management Leader

Annual Revenue ($MM)

$7.5

$19.0

$36.1

$59.6

2009 2010 2011 2012 2013

673 active advertisers

6.3 billion ad units managed

Campaigns in 160 countries

$6.0BN of annualized ad spend in Q4 2013

$77.3

5

Investment Highlights

Serving Large and Fast Growing Digital Ads Market

Leader in Revenue Acquisition Management

Comprehensive Analytical and Transactional Platform

High Growth SaaS Model with Participatory Economics

Proven Results for Blue-Chip Customers

Search Display

Social Mobile

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Large, Fast-Growing Digital Advertising Market

Source: Magna Global, Digital Media Forecasts, December 2013. $ in billions *CAGR 2013-2018

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Increasing Digital Marketing Challenges

Complexity Fragmentation Scale

8

Day in the Life of a Digital Marketer

Operational Tasks Optimizations Strategic Opportunities

Format tracking codes

Stitch cost and revenue data

Pivot and trend data in excel

Build reports for management

Format bulk sheets for upload

Refine keywords and targeting

Test creative and landing pages

Geo and device targeting

Adjust and optimize bids

Day-part campaigns

Allocate budgets

Launch new products and offers

Test new channels and publishers

Forecast volume, profit and cost

Adjust to budget variances

9

Revenue Acquisition Management Platform

Publisher Data Revenue & Conversion Data

Search

Display

Social

Mobile

AdServers

Analytics

MarinTracker

OfflineData

Measure Manage Optimize

Optimization

CampaignManagement

Reporting& Analytics

10

RAM Platform: Powerful & Easy To Use

Analytics to Action Interface

11

Applied Big Data & Customer-Focused Innovation

6.3 BillionAd units under management

3 MillionQueries per month

80 MillionCampaign changes per day

250+ TerabytesStored across 50DB

1 Code BaseMulti-tenant architecture

11 Major Releases AnnuallyIterative development

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

12

Marin’s Product Vision

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Open platform with access to any number of marketing applications in an integrated manner (App Store)

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

Independent, Open Platform for Cross-Channel Revenue Acquisition

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Audience Connect: Using Data to Drive Performance

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■ Audience Analytics■ Look-Alike Modeling for Audience

Expansion

■ Intent-based Remarketing■ Audience-based Bidding for

Search Optimization

Blue Kai / Exelate / Lotame / Etc.

Audience Connect: Distribution and Optimization

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Revenue Connect: Optimize Using Your Own Data

True Revenue Valuation Offline Conversion Tracking Forecasting Lifetime Value Flexible Revenue Capture Certified Revenue Partner

Ecosystem

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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

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Publisher data for reporting and optimization Twitter and Yandex debut by end of Q2 2014

Channel Connect: More Options for RAM

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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

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Optimize Using Data That Impacts Your Business

DYNAMIC ACTIONS

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

Build complex actions to address marketing sophistication

CONTEXT CONNECTIONS

A flexible onramp for integrating and reporting on contextual data sources: Weather Stocks Sport scores Nielsen Rating

View external data sources alongside marketing performance

Drive smarter optimization strategies

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Open: BoostCTR Integration

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Independent, Open, Extensible RAM Platform

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Industry Leaders Grow Facebook Programs With Marin

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

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Competitive Landscape

Competition Marin

Publisher Tools 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

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Large, Underpenetrated Market

2017$174BN

Digital Advertising Market

20178,500+ Enterprise

Opportunities>$100K / Month

2012$98BN

Digital AdvertisingMarket

20125,500+ Enterprise

Opportunities>$100K / Month

Source: Magna Global, Marin Internal

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Multiple Growth Drivers

Expand Internationally

Add Platform Modules

Support New Publishers

Acquire New Customers

Grow Existing Ad Spend

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Experienced Management Team

Customer-Centric, Team-Oriented Culture

Finance Overview

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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

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Annual Revenue ($MM)

Quarterly Revenue ($MM)

2010 2011 2012 20132009

$7.5

$19.0

$36.1

$59.6

$1.0 $1.4$2.3 $2.9 $3.4

$4.6 $5.0$6.0

$7.1$8.1

$9.5$11.4

$13.0$14.0

$15.5$17.1 $17.2 $18.2

2009 2010 2011 2012 2013

Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3

$20.1

$77.3

$21.8

Q4

Strong Track Record of Growth

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100% SaaS Subscription Model

Jan Feb Mar

Ad Spend $0 $240,000 $500,000

Rate 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

Revenue Based on % of Monthly Ad Spend

Shared Customer Success – Virtuous Cycle

Example Customer

Direct

Channel Leverage

1-2 year fixed-rate contracts

Generally 12 month terms

Minimum Fees – 50-70% of projected monthly revenues

Agency

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Total Active Advertisers

50 79100 116 134 151

195 223 240280

337390

436487 502

531 542584

2009 2010 2011 2012 2013

Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2

Annualized Advertising Spend Under Management ($BN)

2010 2011 2012 20132009

$0.6

$1.7

$3.2

$4.7

Q3

610

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

Increasing Advertisers and Ad Spend

$6.0

Q4

673

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Highly Diversified Revenue Mix

Note: All metrics based on FY 2013; Other includes Automotive, Healthcare, Real Estate, Industrial / Manufacturing and Government.

Diversified Advertiser Base Global Presence

Balanced Revenue Mix

% Revenue

Retail

Travel

B2B

Education

Other

21%

17%

10%

7%

18%

International31%U.S.

69%

Agency48%

Direct52%

Technology 14%

Finance 13%

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Q4 Highlights & 2014 Guidance

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.

Guidance

Q1: $21.4 to $21.8 million

2014: $95.0 to $96.6 million

Revenue

Q1: ($8.9) to ($8.5) million

2014: ($30.5) to ($28.9) million

Non-GAAP Operating Loss

Q1: ($0.28) to ($0.26)

2014: ($0.94) to ($0.90)

Non-GAAP Net Loss per Share

Strong Q4 performance, beating our guidance

Total cash on balance sheet as of December 2013: $104.4 million

Improved gross margins

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Investment Highlights

Serving Large and Fast Growing Digital Ads Market

Leader in Revenue Acquisition Management

Comprehensive Analytical and Transactional Platform

High Growth SaaS Model with Participatory Economics

Proven Results for Blue-Chip Customers

Search Display

Social Mobile

Appendix

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GAAP to Non-GAAP Reconciliation

FY2012 FY2013 Q4’12 Q4’13

Gross Profit (GAAP) $ 34.8 $46.2 $10.0 $13.7Plus Stock-based Compensation 0.4 0.9 0.1 0.2Plus Amortization of Cap'd R&D 0.5 1.2 0.2 0.4Less Capitalized R&D costs (0.0) - (0.0) -

Gross Profit (Non-GAAP) $35.7 $48.2 $10.3 $14.3

Operating loss (GAAP) ($25.3) ($34.3) ($6.8) ($7.9)Plus Stock-based Compensation 4.9 5.2 0.7 1.3Plus Amortization of Cap'd R&D 0.5 1.2 0.2 0.4Plus Noncash expense related to warrants 0.1 - - -Less Capitalized R&D costs (1.7) (3.2) (0.5) (0.7)

Operating loss (Non-GAAP) ($21.5) ($31.2) ($6.4) ($6.9)

Net Loss (GAAP) ($26.5) ($35.9) ($7.3) ($8.1)Plus Stock-based Compensation 4.9 5.2 0.7 1.3Plus Amortization of Cap'd R&D 0.5 1.2 0.2 0.4Plus Noncash expense related to warrants 0.6 0.5 0.2 0.1Less Capitalized R&D costs (1.7) (3.2) (0.5) (0.7)

Net Loss (Non-GAAP) ($22.2) ($32.2) ($6.6) ($7.0)

Year Ended December 31

(in millions)