This Agreement constitutes the entire agreement relating to the matters stated herein, and it cancels and supersedes any prior agreements or understandings that may have existed between Employee and ANSYS with respect to all matters covered by this Agreement except that nothing in this Agreement releases Employee from any previous obligations Employee has under any agreements with ANSYS or its affiliates or subsidiaries including without limitation, the IPP Agreement, the Employment Agreement, or any other agreements protecting ANSYS intellectual property, and all stock option or other equity agreements executed by the Employee or equivalent documentation. No other promise or inducement has been offered to either Party except as set forth herein.