Meister Keith A. sold ILMN

Footnotes

In addition, on May 11, 2026, upon partial termination of the swaps as reported in Table II above, the swaps counterparty paid to the Corvex Funds $11,414,029.60, representing $143.45 per share for each of the 79,568 notional shares subject to the termination (the market price of the common stock on the date of the partial termination), offset by $8,181,181.76, representing $102.82 for each of such 79,568 notional shares.; The partial termination of the equity swaps and the reported purchases of common stock in connection therewith are deemed exempt from Section 16(b) of the Securities Exchange Act of 1934 pursuant to Rule 16b-6(b) thereunder. The remaining swaps terminate on February 11, 2028, and have a cost basis of $102.82 per notional share of common stock. All balances will be settled in cash by default. At the option of the Corvex Funds, the remaining portion of the swaps may be physically settled by the Corvex Funds acquiring 279,940 shares of common stock from the counterparty at $102.82 per share.; These securities of Illumina, Inc. (the "Issuer") are held for the accounts of certain private investment funds (collectively, the "Corvex Funds") for which Corvex Management LP ("Corvex") acts as investment adviser, including Corvex Master Fund LP and Corvex Select Equity Master Fund LP. The general partner of Corvex is controlled by Keith Meister.; For the purposes of this filing, each of Corvex and Mr. Meister disclaims beneficial ownership of the reported securities except to the extent of his or its pecuniary interest therein. This filing shall not be deemed an admission that Corvex or Mr. Meister is the beneficial owner of any of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or otherwise.