1. Steve Bennett President & Chief Executive Officer NASDAQ OMX International Investor Program December 4, 2013

2. Forward-Looking Statements This presentation contains statements regarding our projected financial and business results, which may be considered forward-looking within the meaning of the U.S. federal securities laws. These statements are subject to known and unknown risks, uncertainties and other factors that may cause our actual results, performance or achievements to differ materially from results expressed or implied in this presentation. Information concerning these risks and uncertainties can be found in our most recent periodic reports filed with the U.S. Securities and Exchange Commission. We assume no obligation to update any forward-looking statements. In addition, we have included some non-GAAP financial measures in our presentation. Investors are encouraged to review the reconciliation of our non- GAAP financial measures to the comparable GAAP results, which can be found, along with other financial information, on the investor relations page of our website at www.symantec.com/investwww.symantec.com/invest 2

3. The Digital Industrial Economy Cloud & Mobility Driving Demand to Secure and Manage Data Digitalization

4. 4 1.2ZB 40ZB 7.9ZB THE WORLD’S DATA IN 2010 THE WORLD’S DATA IN 2015 THE WORLD’S DATA IN 2020

5. 5 Targeted Attacks Up Identities Exposed In Past Year Websites with Unpatched Vulnerabilities 42% 93M 53% According to the Symantec ISTR 24% are Critical Vulnerabilities More than the Entire Population of Germany

6. 6 Protects More Than 1 Billion Systems Every Check Cleared in the US Relies on Symantec Reviews 8 Billion Email Messages and 1.4 Billion Web Request a Day Protects More Than 135 Million Consumers with Norton Security Products The Largest Backup and Recovery Company on the Planet

7. 7 Solving our customers’ most critical problems, and being easier to do business with

8. 8 Offerings Go-to-Market Work Smart – Better execution and easier to do business with us Deliver greater than 5% organic revenue growth CAGR and better than 30% non-GAAP operating margin in FY15-17 Our 3 Priorities

9. 9 Reallocating resources to existing point solutions based on market opportunities Announced new integrated offerings and resourced dedicated teams to execute Partnering with key industry leaders to deliver innovative new offerings Progress We’re Making in Offerings

10. Offerings Strategy 10 Symantec Point Solutions NetBackupEV Endpoint Protection Storage Foundation DLP Symantec Integrated Offerings For illustration purposes only. Not all offerings and solutions are listed. Integrated Ecosystem… Symantec + Others

11. Offerings Strategy 11 Integrated Ecosystem… Symantec + Others Symantec Integrated Offerings NetBackupEV Endpoint Protection Storage Foundation DLP Business Continuity Platform Mobile WF Productivity Data Center Security Security Gateway For illustration purposes only. Not all offerings and solutions are listed. Symantec Point Solutions

12. Offerings Vision 12 Integrated Ecosystem… Symantec + Others Unified Security Information Fabric Identity and the Internet of Things NetBackupEV Endpoint Protection Storage Foundation DLP Business Continuity Platform Mobile WF Productivity Data Center Security Security Gateway For illustration purposes only. Not all offerings and solutions are listed. Symantec Point Solutions Symantec Integrated Offerings

13. 13 Unified Security Identity and the Internet of Things Information Fabric

14. 14 Split sales organization into renewals and new business Successfully launched centrally managed renewals group Implemented sales force specialization… info management and info security Expanding and enhancing eBusiness platform Defined new channel strategy and redesigned partner programs Progress We’re Making in GTM

15. 15 “Everyone sells everything” approach was creating channel conflict, eroding margins, and negatively impacting the customer experience Why We Need a New Channel Strategy? CHANNEL REVENUES DECLINING LOST SHARE in 10 of 16 Markets CY11 – CY12 PRICE EROSION & CHANNEL CONFLICT OVER SPENDING in Sales & Marketing SKEWED channel investments toward low growth partners Declining Operating Income and Margin

16. Symantec’s New Channel Strategy 16 WE NOW HAVE A GLOBAL CHANNEL STRATEGY SUPPORTED WITH NEW CHANNEL PROGRAMS Offerings aligned to the channels that are best capable of delivering value for the customer Training and enablement focused on building partner competency, rewarding performance, and customer satisfaction The Result Drive sustained profitable growth for partners and Symantec by leveraging joint assets to deliver value to the customer

17. 17 Built and expanding team of process management experts Named process owners for critical cross functional processes Progress We’re Making with Work Smart Upgrading IT capability… aligned to improved processes Engaging our people… especially front line

18. 18 We make the world a safer place by helping people, businesses, and governments protect and manage their information, so they can focus on achieving their goals.