GlobalFoundries to Ramp U.S. Interposer Output for TSMC in 2028

GlobalFoundries on Thursday, Oct. 8, 2026, said it had reached a $2 billion, five-year agreement with TSMC to produce silicon interposers at its Malta, New York, facility. The parts link AI processors and memory chips inside advanced packages and are used in TSMC's CoWoS ecosystem. GlobalFoundries will expand manufacturing capacity at Malta. The company said the facility is expected to become the first U.S.-based source of silicon interposers. Volume production is expected to begin ramping up in the first half of 2028. GlobalFoundries shares rose about 4% in premarket trading after the announcement. CONTESTED: No contested claims appear in the record. Coverage agrees on the parties, the $2 billion value, the five-year term, the Malta site, the 2028 volume ramp, and the role of the interposers. Premarket share moves were cited as about 4% in multiple reports; one exchange chart showed a +2.85% figure.