All you can do is ask. They'll probably say no but you're bound by the companies severance policy/program but legally it's not a required benefit. BUT keep in mind the company wants you to sign that agreement at the end of the day so you could get more. You could try and use trigger words during your conversation.
If you're fired for cause, which it sounds like you will be, then they don't need to give you severance. Normally companies will give something to avoid getting sued for wrongful dismissal, because normally there are steps they need to take in order to avoid those kinds of lawsuits.
Here are some tips to help you negotiate your severance package: Meet with your employer or human resources (HR) representative. Contact an employment law attorney. Make a list of terms you can negotiate. Present your case to your employer. Determine whether to sign the severance agreement.
The one catch is that severance often does not apply to employees fired “for cause” due to misconduct like violence, harassment, or policy breaches. However, questionable or wrongful claims of cause can be disputed with the help of an employment lawyer.
How to ask for a severance package Review your company's documents. You can typically find details of the company's policy regarding severance packages in a couple of places. Make note of your accomplishments. Stay professional. Negotiate severance during your job offer. Agree to an exit interview.