Leadership About Vision How We Operate What We Create How We Collaborate Looking Ahead Data Index Setting the standard for data center sustainability In our data centers, we’re focused low-carbon concrete options on reducing the embodied based on standardized criteria carbon, defined as the CO e and help us integrate these 2 generated by the manufacturing options into our data center and transporting of building design and construction program. materials and the construction process. To support efforts to Data center water efficiency scale the use of sustainable construction materials such Water is a key resource used in operating our data centers and as low-carbon concrete, Meta is used primarily for evaporative cooling during summers and became a sponsoring member of humidification during winters. Relative humidity, temperature the American Concrete Institute’s and airflow are three key factors to maintaining an ideal To date, we have certified 34 • One in Altoona, Iowa. Center of Excellence for Carbon operating environment for servers. LEED Gold or better data center Neutral Concrete↗ in 2022. This buildings, totaling over 22 • One in Papillion, Nebraska. partnership will enable us to vet In 2022, we tested increasing our data hall temperature million square feet. We are also from 85°F to 90°F at select pilot campuses. The preliminary a platinum member of the U.S. • One in North Huntsville, Alabama. results indicate a reduction of over 50% of our water use Green Building Council. In 2022, over the summer season, with little to no impact↗ to our data six of our new construction data • One in Eagle Mountain, Utah. center operations. center buildings, in the following locations, were awarded LEED • Two in Newton County, Georgia. Gold certification, totaling over 5 million square feet: 2023 Meta Sustainability Report 23