S&P upgrades Kioxia to BBB on strong AI-driven growth and upbeat outlook

Investing.com -- S&P Global Ratings has upgraded its long-term issuer credit rating on Kioxia Holdings Corp (TYO:285A) to 'BBB' from 'BBB-', citing exceptionally strong earnings forecasts and structural changes driven by the artificial intelligence boom. The rating agency also assigned a positive outlook to the Japanese chipmaker, signaling that further upgrades could follow as the company mitigates its exposure to cyclical downturns.

The credit rating action underscores a broader transformation in the memory market, where accelerating AI infrastructure spending is generating persistent supply tightness for NAND flash memory and solid-state drives (SSDs). S&P projects Kioxia's EBITDA will reach ¥7 trillion to ¥8 trillion in fiscal 2026 before rising to approximately ¥9 trillion in fiscal 2027, far outpacing previous expectations.

Crucially, S&P highlighted that Kioxia is reshaping its revenue architecture to reduce the severe volatility historically associated with the semiconductor memory industry. The company is steadily advancing toward a goal of securing multiyear long-term agreements for roughly 50% of its shipment volumes by 2028, establishing guaranteed baseline pricing and volume commitments.

This shift toward long-term contracts is further supported by Kioxia’s pivot toward high-performance SSDs designed specifically for enterprise data centers. Unlike consumer memory markets subject to rapid price erosion, enterprise AI deployments require tight technical collaboration, creating stickier customer relationships and higher barrier-to-entry product lines.

The company's operational strength has significantly reinforced its balance sheet, allowing Kioxia to transition into a net cash position as of mid-2026. While capital expenditures are expected to rise to support a new production facility targeted for fiscal 2029, robust operating cash flows should comfortably absorb the increased investment without weakening liquidity.

Despite the optimistic trajectory, S&P cautioned that long-term risks persist, particularly regarding potential capital spending cutbacks by hyperscale cloud providers and rising production capacity from state-backed Chinese competitors. Additionally, because multiyear agreements remain relatively untested across prolonged industry downturns, the structural resilience of these new contracts has yet to be fully validated.

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