ASML Raises Prices on All Lithography Spare Parts by 10%; Samsung, SK Hynix Accept

The significance is structural rather than financial: ASML is testing whether its monopoly on lithography parts translates into pricing power over consumables, not just new tools, and both Korean customers accepting suggests switching costs are effectively prohibitive. This affects fab operating costs for Samsung and SK Hynix, where spare-part spend is recurring and largely unavoidable. The open question is whether other ASML customers are notified on the same terms, and whether the increase is absorbed or passed through the supply chain.