Notes to the consolidated financial statements of Aegon N.V.  Note 56 286 Other benefits Pension contributions Share options and interests in Aegon N.V. held by active members of the executive board Year Number of  rights/options  per January 1,  2013 Number of  rights/options  vested in  2013 Number of  rights/options  exercised in  2013 Number of  rights/options  expired/  forfeited in  2013 Number of  rights/options  per December  31, 2013 Number of  exercisable  rights/options Exercise  price EUR Alexander R. Wynaendts 2006 50,842 - - 50,842 - - 14,55 2013 2012 Alexander R. Wynaendts 652 1,228 Darryl D. Button  1) 114 - Jan J. Nooitgedagt  2) 106 458 2013 2012 Alexander R. Wynaendts 132 111 Darryl D. Button  1) 508 - Jan J. Nooitgedagt  2) 40 78 1  Mr. Button was appointed as CFO and member of Aegon’s Executive Board per May 15, 2013. Other benefits are disclosed for the period that Mr. Button has been  part of the Executive Board. 2  Mr. Nooitgedagt’s other benefits are reflective of his time with Aegon till retirement as per August 1, 2013. Other benefits concern non-monetary benefits (e.g. company car), social security contributions by the employer, and tax expenses  borne by the Group. For Mr. Button these benefits also include all expenses related to his expatriation from the United States to  the Netherlands, borne by the Group.  1  Mr. Button was appointed as CFO and member of Aegon’s Executive Board per May 15, 2013. Pension contributions are disclosed for the period that Mr. Button  has been part of the Executive Board. 2  Mr. Nooitgedagt’s pension contributions are reflective of his time with Aegon till retirement as per August 1, 2013. The amounts as presented in the table are the pension contributions in the related book year. Under IFRS the service cost as recognized  in the income statement related to the defined benefit obligation of Mr. Wynaendts amount to EUR 736 (2012: EUR 580). Service cost  for Mr. Button amount to EUR 114, and for Mr. Nooitgedagt EUR 44 (2012: EUR 175). The Dutch Government introduced a special tax-levy for Dutch employers: the ‘crisis tax’ (16% payable on salary expenses above  EUR 150). This caused an increase of Aegon’s total remuneration expenses for Alexander R. Wynaendts of EUR 417 (2012: EUR 311)  for Darryl D. Button EUR 54 and Jan J. Nooitgedagt EUR 190 (2012: EUR 173). For Darryl D. Button ‘crisis tax’ is disclosed for the period  that Mr. Button has been part of the Executive Board. The resulting total amount of remuneration for Alexander R. Wynaendts related  to 2013 is EUR 3,282 (2012: EUR 3,717), for Darryl D. Button EUR 1,619 and for Jan J. Nooitgedagt EUR 1,203 (2012: EUR 2,152). Total Shares held in Aegon at December 31, 2013 by Alexander R. Wynaendts and Darryl D. Button amount to respectively 56,582 and  72,872. For each of the members of the Executive Board, the shares held in Aegon mentioned above do not exceed 1% of total  outstanding share capital at the balance sheet date. At the balance sheet date, Mr. Wynaendts had mortgage loans with Aegon totaling to EUR 735,292 with interest rates of 4.0%, 4.2%  and 4.4%. In 2013 Mr. Wynaendts made repayments totaling to EUR 750,000 relating to his mortgage loans. Annual Report 2013