<p>➀ TSMC will begin constructing its 1.4nm fab in Taichung on November 5th, with a $49 billion investment, targeting mass production by H2 2028 and generating up to $15.9 billion in annual revenue;</p><p>➁ Due to strong demand for 1.4nm chips (priced at $45k per wafer), TSMC will build four 1.4nm fabs simultaneously, revising initial plans for two 1.4nm and two 1nm fabs;</p><p>➂ The move aims to solidify TSMC's process leadership amid competition from Intel's 18A and Samsung's 2nm advancements, with TSMC opting against high-NA EUV tools for cost and maturity reasons.</p>