According to the cooperation of ELTE Service Center, MEEX and Sziget Festival not only ELTE students and staff members, but also ELTE Alumni members can buy Sziget passes with a discount. 

The ELTE Alumni members can buy the 7-day passes with a student discount. In order to buy it you need to type the year, month and day of your birthday (e.g:19750124) instead of your student card number on the following online platform. 

Further Alumni Card discounts