Marvell and Lumentum announced a merger agreement on November 2 aimed at expanding their role in artificial-intelligence infrastructure. Their joint announcement puts Lumentum’s implied enterprise value at about $115 billion, based on share prices on October 28.

Under the all-stock terms, Lumentum shareholders would receive 4.5 Marvell shares for each share they own. Existing Marvell investors would hold approximately 67% of the combined company, with Lumentum investors owning about 33%.

The combination brings semiconductor and optical technologies together around a critical part of AI infrastructure: moving data between computing nodes. A computing cluster depends not only on its processors but also on how quickly those processors exchange information. Connectivity, rather than the manufacture of an entire AI system, is the central industrial rationale.

The agreement is not a completed acquisition. Shareholder and regulatory approvals are still required. Nor is the headline valuation a cash payment: in a share exchange, the market value of the consideration can change with the stock price.

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