Sybase 8-K Departure of Directors or Certain Officers

Exhibit 99.1

February 10, 2010

John Chen
Chairman, CEO, and President
One Sybase Drive
Dublin, CA 94568
(Delivered by hand)

Dear John:

This is to inform you of your 2010 compensation as approved by the Sybase, Inc. Compensation Committee and ratified by the Board of Directors:

1. Cash Compensation (effective January 1, 2010)

1.	Annual base salary: $1,000,000
2.	Incentive bonus target: $1,500,000
3.	Total target cash compensation (TTC): $2,500,000

The terms of the incentive bonus are set out in the Executive Leadership Team Incentive Plan (ELTIP).

2. Long-Term Incentives

(a) Sybase Stock Option Grant (4-year service vest)

• 95,974 options

(b) Restricted Stock Grant (3-year cliff vest)

• 28,804 shares

(c) Restricted Stock Grant (1-year performance period; 3-year cliff vest)

• 86,412 shares

The vesting terms are set out in the relevant equity award grant agreement.

I also want to take this opportunity to thank you for your contributions in 2009. I look forward to your support and contributions in 2010.

Sincerely,

/s/ Michael A. Daniels

Michael A. Daniels
Chairman, Compensation Committee
Sybase, Inc. Board of Directors

cc John Chen’s HR File