Delta Technologies PllcBET: DELTA

Resolution regarding the name change of Delta Group Plc.

· Issued by Delta Technologies Pllc

Budapest Stock Exchange Plc. (hereinafter: Exchange) modifies the Product List with regard to the ordinary shares (ISIN HU0000151956) of the issuer Delta Group Public Limited Company (registered seat: H-1134 Budapest, Róbert Károly körút 70-74.) (hereinafter: Issuer) as of September 24, 2025 as follows:

Old data

New data

Issuer

Delta Technologies Public Limited Company

Delta Group Public Limited Company

Name of security

Delta Technologies share

Delta Group Plc. share

The Exchange calls the attention of the investors and market participants to the fact that the 'Symbol'

identifier of the ordinary shares used in the Xetra trading system will remain DELTA.

In accordance with Section 29.2 of the Book Two of the General Terms of Service of the Budapest Stock Exchange Plc. titled Regulations on Listing and Continued Trading, reasoning of decisions fully approving the applications may be omitted.

Budapest, September 23, 2025

Csilla Balló

Issuer Relations Officer

Important notice:

All information contained within this material is for information purposes only and shall not be considered as an official translation of the Exchange Resolution referred to herein. The original Hungarian language version of the Exchange Resolution referred to herein remains to be the solely legally binding material in the subject matter.