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M&T Bank Deploys Online Fraud Management Protection From Symantec

Symantec Online Fraud Management Solution Helps Protect Customers, Thwarts Brand Spoofing, Phishing and Identity Theft

CUPERTINO, Calif. - April 27, 2005 - Symantec Corp. (Nasdaq: SYMC), the global leader in information security, today announced that M&T Bank Corporation (NYSE: MTB) is using the Symantec Online Fraud Management Solution to help protect itself and its customers from email fraud and phishing. Headquartered in Buffalo, NY, M&T is a $52.9 billion bank holding company whose banking subsidiaries, M&T Bank and M&T Bank, National Association, operate more than 660 branch offices in New York, Pennsylvania, Maryland, Virginia, West Virginia, Delaware and the District of Columbia.

Under the terms of a three-year agreement with Symantec, M&T Bank, will help protect itself and its customers by deploying the Symantec Online Fraud Management Solution to detect fraudulent email, and offer its customers Web-based education and products that can help reduce exposure to spam, spyware, phishing and identity theft attempts.

"Protecting the security and integrity of our customers' online transactions is critical to maintaining the trust that our customers and our shareholders have in M&T Bank," said Matt Speare, Corporate Information Security Officer, M&T Bank. "Our objective is to mitigate the likelihood that our customers will be exposed to phishing and identity theft ploys through our deployment of the Symantec Online Fraud Management Solution. It's an important step in protecting our bank's brand and providing our customers with education and products to help protect themselves."

"With the growth of threats targeting online banking customers, financial institutions are looking for solutions that protect brand equity and customer confidence while minimizing support costs, " said Kim Legelis, director, financial services, Symantec. "M&T Bank's adoption of the Symantec Online Fraud Management Solution to block a wide spectrum of current and future threats demonstrates the strength of Symantec's technology and our commitment to helping M&T Bank maintain effective fraud management."

About Symantec
Symantec is the world leader in providing solutions to help individuals and enterprises assure the security, availability, and integrity of their information. Headquartered in Cupertino, Calif., Symantec has operations in more than 40 countries. More information is available at www.symantec.com.

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