Another Successfully Completed Service Date: June 2020 Client: ADMIE Replacement of the Hot-Zone consumables, the Helium (He) bottle, and the calibration bottle in the DGA TM8 device at the Aracthos EHVC of ADMIE. Related Services DGA TM8 Hot-Zone Servicing Service DGA TM2 Servicing Service

Another Successfully Completed Service Date: June 2022 Client: TERNA Energy Cleaning actions for oil pipelines in DGA TM2 devices at the substations of Omalia, Evangelismos, and Stavros for TERNA ENERGY. Related Services DGA TM8 Hot-Zone Servicing Service DGA TM2 Servicing Service

Another Successfully Completed Service Date: January 2023 Client: ADMIE Replacement of the Hot-Zone consumable and addition of an oil sampling valve in the DGA TM8 device at the Pallini EHVC of ADMIE. Related Services DGA TM8 Hot-Zone Servicing Service DGA TM2 Servicing Service