Change of company name to SPIE Energotest sp. z o.o.

Dear Sir or Madame,

Please be informed that as of 30 April 2021, the name of the company Energotest sp. z o.o. has changed into
SPIE Energotest sp. z o.o. The above date is also the date of publication of the subject change of the company name
in the Register of Entrepreneurs of the National Court Register. Other company registration data, such as KRS, NIP,
and REGON numbers, remain unchanged.

Below is the full version of the letter: