SK Hynix (SKHY) CEO says co. will begin volume production of next-generation HBM4E chips at the Indiana facility in H2 2029

• Indiana is expected to become a key US HBM production base.

Long-dated capacity announcements from memory makers have historically functioned more as signalling than as near-term earnings events: the stock tends to trade on the current HBM pricing cycle and customer allocation, while multi-year fab timelines serve to lock in anchor customers and pre-commit capex. The distinction that matters here is between the technology node and the geography: HBM4E by the end of the decade tells clients the roadmap is funded and credible, while a US production base addresses the customer preference and policy environment for onshore supply of advanced packaging and memory, which has been a recurring condition attached to government incentives and large US cloud customer contracts. SK Hynix enters this kind of announcement as the established leader in the HBM segment, and its peers have tended to respond to such commitments with their own capacity disclosures, so competitive follow-on from rival memory makers is the usual sequence. Worth watching are the capex implications for nearer-term HBM generations, any named customer commitments tied to the US site, and whether incentive terms accompany the build. Given the distant timeline, the read-through is strategic rather than a revision to current supply-demand balances.