To address future demand for semiconductors amid severe chip shortages of 2020 – 2022, all leading chipmakers announced plans to build new fabs and even disclosed their estimated costs. But spiraled inflation, caused by the disruption of supply chains by the pandemic and then by the Russian war against Ukraine, increased costs of fabs for Intel and Samsung by billions of dollars, according to reports. "The higher construction cost is about 80% of the cost increase," one of Reuters's sources is reported to have said