Short description of services provided by KELER Zrt. in relation to dematerialized securities:
KELER as central depository is obliged and entitled to create, credit to central securities accounts and manage (modify, cancel) all securities issued as dematerialized securities with public or private placement in Hungary. KELER creates, modifies and cancels dematerialized securities pursuant to agreements executed with Issuers of securities and at the instruction of the issuers.

In relation to dematerialized securities (hereinafter referred to as: DEMAT securities) the following actions (hereinafter referred to as: demat event) can be executed:
 
Generation of DEMAT securities 
The dematerialized securities series is created and credited to central securities accounts as an electronic sign. 

Additional issuance of DEMAT securities 
The increase of the number of pieces issued and the total nominal value issued on the central securities accounts of the dematerialized securities series created earlier as an electronic sign. 

DEMAT securities instrument change 
Dematerialized event that does not change the quantity of securities on securities accounts, such a change can be due to changes in the data of the securities series (e.g. tenor; change to the name, the interest terms, yield payment and assignment of the securities) and to changes to the data of the Issuer (e.g. Issuer name is changed). 
DEMAT securities conversion (except for: converting closed-end investment unit into open-end investment unit) 
Generation of a dematerialized securities series that is related to securities series (demat or physical) (predecessor) already existing on securities accounts and includes the cancellation of the predecessor securities series. 

Partial cancellation of DEMAT securities 
Decrease of the nominal value pieces issued and the total nominal value issued on the central securities accounts of the dematerialized securities series created earlier as an electronic sign. 

Cancellation of DEMAT securities 
The cancellation on the central securities accounts of the total nominal value pieces issued of the dematerialized securities created earlier as an electronic sign and termination of the dematerialized securities as an electronic sign.