This excerpt taken from the NDAQ DEF 14A filed Apr 17, 2008.
Edward S. Knight
Under Mr. Knights employment agreement, if his employment is terminated by Nasdaq without cause or if Mr. Knight terminates his employment for good reason, Nasdaq is obligated to pay to Mr. Knight a pro rata portion of the incentive compensation for the year of termination, and a lump sum cash payment equivalent to continuation of base salary and incentive compensation, if any, until the later of (x) the end of the term of the agreement or (y) 24 months following the date of such termination of employment. Nasdaq will also continue to provide Mr. Knight with health coverage at its expense for such period.
In the event that Mr. Knight terminates his employment without good reason, he shall be entitled to his salary through the date of termination and shall have no further rights to any compensation or any other benefits under the agreement.
In addition, Mr. Knight has agreed to be subject to certain post-termination restrictive covenants relating to non-competition, non-solicitation, non-disparagement and confidentiality.