What major long-term memory chip supply agreements did Samsung and SK Hynix secure with U.S. tech companies during South Korean President Lee Jae Myung's AI Summit in San Francisco on July 25, how do these five-year contracts reshape the memory market with pricing terms and capac

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Below is a complete, evidence-backed answer to your multi-part question.

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1. The Major Memory Chip Supply Agreements at the San Francisco AI Summit

At the San Francisco AI Summit on July 25, 2026, hosted by South Korean President Lee Jae Myung, South Korean chipmakers announced a combined $950 billion in semiconductor supply and manufacturing partnerships with U.S. tech companies over the next five years .

• SK Hynix secured a deal to supply $750 billion worth of memory chips to U.S. companies, primarily Nvidia. CNBC reported that the Nvidia-specific piece could be worth $500 billion over multiple years and includes construction of large-scale data centers .
• Samsung Electronics signed a $200 billion strategic partnership with Broadcom covering memory chips, contract chipmaking (foundry), and advanced packaging .

These are five-year contracts that lock in long-term supply commitments between Korean memory manufacturers and U.S. AI hyperscalers and chip designers.

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2. How These Contracts Reshape the Memory Market

Pricing terms and capacity allocation:

The deals fundamentally restructure the memory market by diverting a massive share of production away from open-market spot sales into pre-committed, long-term contracts:

• Samsung is locking up up to 70% of its memory output into five-year AI data-center contracts, leaving only about one-third of supply available for traditional customers in phones, PCs, and automotive .
• The contracts essentially remove vast amounts of supply from the merchant market, which — combined with demand outstripping supply — gives Samsung and SK Hynix significant pricing power over the remaining available chips.
• Because it takes more than 3.5 years to build new fabrication facilities and begin production, these long-term deals serve as capacity reservation mechanisms that allow U.S. tech companies to guarantee access to critical AI memory (especially HBM and server DRAM) through a period when supply cannot rapidly increase .

The net effect: the memory market shifts from a historically volatile spot-price cycle toward a supplier-advantaged, contract-driven structure where large customers pay premiums for guaranteed allocation.

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3. The Samsung-Broadcom Partnership: Value and Scope

The Samsung-Broadcom strategic partnership was announced at the same summit, signed by Samsung Foundry President Han Jin-man and Broadcom CEO Hock Tan .

Detail	Value
Total estimated value	Exceeding $200 billion (≈292 trillion won) through 2030
Scope	Covers memory chips, foundry (contract chipmaking), and advanced packaging for next-generation AI infrastructure
Nature	A memorandum of understanding broadening collaboration on AI semiconductors

Samsung's official press release described it as a "strategic collaboration across memory and foundry technologies" focused on next-generation AI infrastructure . Winning long-term production commitments from Broadcom — one of the world's leading custom AI chip designers — further cements Samsung's role as a full-stack AI semiconductor partner .

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4. Samsung's Record Q2 2026 Earnings

Samsung's Q2 2026 results set all-time records, reflecting the AI-driven memory boom:

• Revenue: KRW 171.5 trillion (another all-time quarterly high, up 28% QoQ)
• Operating profit: KRW 89.5 trillion (~$58.4 billion), up 56% QoQ and roughly 19–20x higher YoY
• Semiconductor (DS) division alone: KRW 127.5 trillion in revenue and KRW 89.2 trillion in operating profit, achieving record bit shipments driven by AI server demand
• Net profit: KRW 10,849 per share, up sharply from the prior quarter

The NYT noted Samsung "made more profit last quarter than the last two years combined" . The record earnings were driven by AI memory chips (HBM, server DRAM, server SSDs) used in data centers, while the mobile and consumer electronics businesses remained weak or swung to an operating loss .

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5. Jaejune Kim's Warnings on Memory Shortages Through 2028

During Samsung's Q2 2026 earnings call on July 30, 2026, Samsung Executive Vice President of Memory Jaejune Kim gave a stark multi-year outlook:

• The shortage will get worse before it gets better: Kim stated that supply constraints will become "even more severe in 2027" and persist through 2028 .
• 2026 is not the peak: He told analysts that demand is still running far ahead of supply, and orders Samsung cannot fulfill this year will spill into the next .
• No significant increase in supply: Kim explained it is "difficult to significantly increase supply in the short term" because building new fabs and ramping production takes over three and a half years .
• "Based on the incoming requests that we're seeing, we believe it will be unlikely to see any significant easing of supply until at least 2028" (paraphrased from multiple reports) .

These warnings came during a broader semiconductor stock selloff where investor sentiment weakened despite strong fundamentals — KB Securities noted the selloff reflected "weakening investor sentiment rather than any deterioration in underlying fundamentals" .

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6. California Price-Fixing Lawsuit

The search results did not return specific details on a California price-fixing lawsuit against the three major memory makers (Samsung, SK Hynix, Micron). The available evidence does not cover this topic. I cannot confirm the existence, status, or specifics of such a lawsuit from the sources gathered. You may want to check recent legal filings in California federal court or specialized semiconductor legal news for that information.

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Summary

Item	Key Facts
SK Hynix-Nvidia deal	$500B+ over multiple years; part of $750B in SK Hynix U.S. supply
Samsung-Broadcom deal	$200B+ partnership through 2030 across memory, foundry, and packaging
Total summit value	$950 billion in combined semiconductor deals
Market impact	Up to 70% of Samsung output on multi-year contracts; supply constrained for non-AI customers through 2028
Samsung Q2 2026	Record revenue (KRW 171.5T) and op. profit (KRW 89.5T), driven by AI memory
Jaejune Kim warning	Shortage to worsen in 2027, persist through 2028; 2026 not the peak
Stock selloff context	KB Securities called it sentiment-driven, not fundamentals-driven
California lawsuit	Insufficient evidence in available sources to report