ExoGrid, established in 2024 as a subsidiary of Ampjack, specializes in delivering advanced transmission tower upgrade solutions. ExoGrid has developed a proprietary, end-to-end process for designing, fabricating and installing "exoskeleton" structures on top of existing transmission towers in order to upgrade and/or expand them. Deployment of the ExoGrid's solution includes a feasibility analysis (which evaluates both the structures and foundations involved), exoskeleton design and fabrication, and installation of the exoskeleton members.

Several factors influence the pricing of tower upgrade and expansion projects by ExoGrid.

Here are some key parameters:

• Tower height and type: taller or more complex towers may require specialized equipment and additional labor, impacting costs
• Site accessibility: difficult-to-reach locations may increase transportation and setup expenses
• Project scope: the extent of structure upgrade or extension affects overall costs
• Weather conditions: safe operations depend on weather. Severe weather may delay projects
• Transmission line voltage: higher voltage lines often involve more intricate work and safety precautions

ExoGrid has developed a proprietary method to upgrade existing transmission towers by designing, fabricating and installing “exoskeletons” which are comprised of new structural members that are installed atop existing towers.

ExoGrid's solution can be deployed for two main applications:

• Tower update: installing exoskeleton on the existing tower structures for higher strength and wind ratings (e.g. storm hardening)

• Tower expansion: installing exoskeleton on the exisitng tower structures followed by the installation of ExoGrid's proprietary towers atop the original structure for additional conductors