ILMN

SEC source: 0001110803-26-000183 · form4.xml · nonDerivative · entry 1

Thaysen Jacob · CIK 0001625263 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 107,770

SEC source: 0001110803-26-000180 · form4.xml · nonDerivative · entry 1

Ullem Scott B. · CIK 0001446989 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,143

F1 · shares: Mr. Ullem elected to receive 100% of his 2026 board and committee cash retainer fees in Illumina stock. The number of shares issued in lieu of cash is based on the quotient of (i) the cash compensation otherwise payable for the immediately completed quarter divided by (ii) the volume weighted average closing price per share during the immediately completed quarter, calculated by reference to each trading day during such quarter. The amount reported on this Form represents Mr. Ullem's 3rd quarter 2026 retainer fees.

SEC source: 0001110803-26-000181 · form4.xml · nonDerivative · entry 1

Meister Keith A. · CIK 0001307631 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,887

F1 · shares: Mr. Meister elected to receive 100% of his 2026 board and committee cash retainer fees in Illumina stock. The number of shares issued in lieu of cash is based on the quotient of (i) the cash compensation otherwise payable for the immediately completed quarter divided by (ii) the volume weighted average closing price per share during the immediately completed quarter, calculated by reference to each trading day during such quarter. The amount reported on this Form represents Mr. Meister's 3rd quarter 2026 retainer fees.

SEC source: 0001110803-26-000177 · form4.xml · derivative · entry 4

Coletti Julie Ann · CIK 0001777603 · Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,307

Underlying: Common Stock · 5,307 shares

Expires 2028-12-31

F4 · derivative.exercise_price: Each performance stock unit represents a contingent right to receive one share of common stock based on the Company's relative total shareholder return for the fiscal year ending December 31, 2028. The number of shares issued will range from 0% to 250% of the amount specified above, based on the company's relative total shareholder return for the fiscal year ending December 31, 2028, relative to pre-defined objectives, subject to the awardee's continuing status as a service provider on such dates.

F4 · derivative.exercise_date: Each performance stock unit represents a contingent right to receive one share of common stock based on the Company's relative total shareholder return for the fiscal year ending December 31, 2028. The number of shares issued will range from 0% to 250% of the amount specified above, based on the company's relative total shareholder return for the fiscal year ending December 31, 2028, relative to pre-defined objectives, subject to the awardee's continuing status as a service provider on such dates.

SEC source: 0001110803-26-000177 · form4.xml · derivative · entry 3

Coletti Julie Ann · CIK 0001777603 · Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,307

Underlying: Common Stock · 5,307 shares

Expires 2028-12-31

F3 · derivative.exercise_price: Each performance stock unit represents a contingent right to receive one share of common stock based on the Company's three-year average consolidated non-GAAP earnings per share growth for fiscal years 2026-2028 with vesting on December 31, 2028. The number of shares issued will range from 0% to 250% of the amount specified above, based on the Company's actual three-year average consolidated non-GAAP earnings per share growth for fiscal years 2026-2028, relative to pre-defined objectives, subject to awardee's continuing to be a service provider on such dates.

F3 · derivative.exercise_date: Each performance stock unit represents a contingent right to receive one share of common stock based on the Company's three-year average consolidated non-GAAP earnings per share growth for fiscal years 2026-2028 with vesting on December 31, 2028. The number of shares issued will range from 0% to 250% of the amount specified above, based on the Company's actual three-year average consolidated non-GAAP earnings per share growth for fiscal years 2026-2028, relative to pre-defined objectives, subject to awardee's continuing to be a service provider on such dates.

SEC source: 0001110803-26-000177 · form4.xml · nonDerivative · entry 2

Coletti Julie Ann · CIK 0001777603 · Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,763

F2 · shares: Grant of restricted stock units shall vest as follows: 33.3% of the shares subject to the award shall vest on each of September 5, 2027, September 5, 2028, and September 5, 2029, subject to the awardee's continuing status as a service provider on such dates.

SEC source: 0001110803-26-000177 · form4.xml · nonDerivative · entry 1

Coletti Julie Ann · CIK 0001777603 · Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,549

F1 · shares: Grant of restricted stock units with 25% of the shares subject to the award vesting on each of the first, second, third and fourth anniversaries of the date of grant, subject to the awardee's continuing to be a service provider on such dates.

SEC source: 0001110803-26-000175 · form4.xml · nonDerivative · entry 1

Barnard Steven · CIK 0001990125 · SVP, Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 40,927

SEC source: 0001193125-26-383924 · ownership.xml · nonDerivative · entry 12

Meister Keith A. · CIK 0001307631 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 770,350

F14 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $219.00 to $219.56.

F1 · ownership.nature: 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.

F2 · ownership.nature: 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.

SEC source: 0001193125-26-383924 · ownership.xml · nonDerivative · entry 11

Meister Keith A. · CIK 0001307631 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 781,701

F13 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $218.00 to $218.99.

F1 · ownership.nature: 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.

F2 · ownership.nature: 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.

SEC source: 0001193125-26-383924 · ownership.xml · nonDerivative · entry 10

Meister Keith A. · CIK 0001307631 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 882,351

F12 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $217.00 to $217.84.

F1 · ownership.nature: 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.

F2 · ownership.nature: 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.

SEC source: 0001193125-26-383924 · ownership.xml · nonDerivative · entry 9

Meister Keith A. · CIK 0001307631 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 889,851

F11 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $220.88 to $221.66.

F1 · ownership.nature: 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.

F2 · ownership.nature: 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.

SEC source: 0001193125-26-383924 · ownership.xml · nonDerivative · entry 8

Meister Keith A. · CIK 0001307631 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 899,812

F10 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $219.88 to $220.85.

F1 · ownership.nature: 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.

F2 · ownership.nature: 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.

SEC source: 0001193125-26-383924 · ownership.xml · nonDerivative · entry 7

Meister Keith A. · CIK 0001307631 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 906,468

F9 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $218.88 to $219.87.

F1 · ownership.nature: 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.

F2 · ownership.nature: 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.

SEC source: 0001193125-26-383924 · ownership.xml · nonDerivative · entry 6

Meister Keith A. · CIK 0001307631 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 920,185

F8 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $217.86 to $218.85.

F1 · ownership.nature: 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.

F2 · ownership.nature: 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.

SEC source: 0001193125-26-383924 · ownership.xml · nonDerivative · entry 5

Meister Keith A. · CIK 0001307631 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 929,906

F7 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $216.81 to $217.78.

F1 · ownership.nature: 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.

F2 · ownership.nature: 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.

SEC source: 0001193125-26-383924 · ownership.xml · nonDerivative · entry 4

Meister Keith A. · CIK 0001307631 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 944,102

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $215.81 to $216.80.

F1 · ownership.nature: 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.

F2 · ownership.nature: 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.

SEC source: 0001193125-26-383924 · ownership.xml · nonDerivative · entry 3

Meister Keith A. · CIK 0001307631 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 957,363

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $214.80 to $215.77.

F1 · ownership.nature: 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.

F2 · ownership.nature: 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.

SEC source: 0001193125-26-383924 · ownership.xml · nonDerivative · entry 2

Meister Keith A. · CIK 0001307631 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 965,802

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $213.42 to $214.02.

F1 · ownership.nature: 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.

F2 · ownership.nature: 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.

SEC source: 0001193125-26-383924 · ownership.xml · nonDerivative · entry 1

Meister Keith A. · CIK 0001307631 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 976,422

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $212.42 to $213.41. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes (3)-(14) to this Form 4.

F1 · ownership.nature: 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.

F2 · ownership.nature: 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.

SEC source: 0001193125-26-371756 · ownership.xml · nonDerivative · entry 13

Meister Keith A. · CIK 0001307631 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 1,033,910

F15 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $231.04 to $231.71.

F1 · ownership.nature: 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.

F2 · ownership.nature: 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.

SEC source: 0001193125-26-371756 · ownership.xml · nonDerivative · entry 12

Meister Keith A. · CIK 0001307631 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 1,043,315

F14 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $230.04 to $231.03.

F1 · ownership.nature: 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.

F2 · ownership.nature: 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.

SEC source: 0001193125-26-371756 · ownership.xml · nonDerivative · entry 11

Meister Keith A. · CIK 0001307631 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 1,071,754

F13 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $229.04 to $230.03.

F1 · ownership.nature: 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.

F2 · ownership.nature: 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.

SEC source: 0001193125-26-371756 · ownership.xml · nonDerivative · entry 10

Meister Keith A. · CIK 0001307631 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 1,088,744

F12 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $228.04 to $229.03.

F1 · ownership.nature: 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.

F2 · ownership.nature: 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.

SEC source: 0001193125-26-371756 · ownership.xml · nonDerivative · entry 9

Meister Keith A. · CIK 0001307631 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 1,113,107

F11 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $227.04 to $228.03.

F1 · ownership.nature: 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.

F2 · ownership.nature: 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.

SEC source: 0001193125-26-371756 · ownership.xml · nonDerivative · entry 8

Meister Keith A. · CIK 0001307631 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 1,167,416

F10 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $226.04 to $227.03.

F1 · ownership.nature: 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.

F2 · ownership.nature: 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.

SEC source: 0001193125-26-371756 · ownership.xml · nonDerivative · entry 7

Meister Keith A. · CIK 0001307631 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 1,172,289

F9 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $227.09 to $227.50.

F1 · ownership.nature: 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.

F2 · ownership.nature: 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.

SEC source: 0001193125-26-371756 · ownership.xml · nonDerivative · entry 6

Meister Keith A. · CIK 0001307631 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 1,172,714

F8 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $226.09 to $226.95.

F1 · ownership.nature: 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.

F2 · ownership.nature: 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.

SEC source: 0001193125-26-371756 · ownership.xml · nonDerivative · entry 5

Meister Keith A. · CIK 0001307631 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 1,187,496

F7 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $225.09 to $226.08.

F1 · ownership.nature: 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.

F2 · ownership.nature: 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.

SEC source: 0001193125-26-371756 · ownership.xml · nonDerivative · entry 4

Meister Keith A. · CIK 0001307631 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 1,240,619

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $224.09 to $225.08.

F1 · ownership.nature: 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.

F2 · ownership.nature: 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.

SEC source: 0001193125-26-371756 · ownership.xml · nonDerivative · entry 3

Meister Keith A. · CIK 0001307631 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 1,278,832

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $226.78 to $226.80.

F1 · ownership.nature: 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.

F2 · ownership.nature: 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.

SEC source: 0001193125-26-371756 · ownership.xml · nonDerivative · entry 2

Meister Keith A. · CIK 0001307631 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 1,278,874

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $225.77 to $226.75.

F1 · ownership.nature: 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.

F2 · ownership.nature: 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.

SEC source: 0001193125-26-371756 · ownership.xml · nonDerivative · entry 1

Meister Keith A. · CIK 0001307631 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 1,317,075

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $224.77 to $225.76. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes (3)-(15) to this Form 4.

F1 · ownership.nature: 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.

F2 · ownership.nature: 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.

SEC source: 0001193125-26-361476 · ownership.xml · nonDerivative · entry 28

Meister Keith A. · CIK 0001307631 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 1,409,851

F30 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $220.07 to $220.43.

F1 · ownership.nature: 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.

F2 · ownership.nature: 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.

SEC source: 0001193125-26-361476 · ownership.xml · nonDerivative · entry 27

Meister Keith A. · CIK 0001307631 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 1,413,734

F29 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $219.07 to $220.06.

F1 · ownership.nature: 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.

F2 · ownership.nature: 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.

SEC source: 0001193125-26-361476 · ownership.xml · nonDerivative · entry 26

Meister Keith A. · CIK 0001307631 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 1,546,990

F28 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $218.07 to $219.06.

F1 · ownership.nature: 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.

F2 · ownership.nature: 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.

SEC source: 0001193125-26-361476 · ownership.xml · nonDerivative · entry 25

Meister Keith A. · CIK 0001307631 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 1,633,815

F27 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $217.07 to $218.05.

F1 · ownership.nature: 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.

F2 · ownership.nature: 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.

SEC source: 0001193125-26-361476 · ownership.xml · nonDerivative · entry 24

Meister Keith A. · CIK 0001307631 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 1,642,002

F26 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $216.07 to $217.06.

F1 · ownership.nature: 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.

F2 · ownership.nature: 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.

SEC source: 0001193125-26-361476 · ownership.xml · nonDerivative · entry 23

Meister Keith A. · CIK 0001307631 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 1,654,604

F25 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $215.07 to $216.06.

F1 · ownership.nature: 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.

F2 · ownership.nature: 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.

SEC source: 0001193125-26-361476 · ownership.xml · nonDerivative · entry 22

Meister Keith A. · CIK 0001307631 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 1,663,969

F24 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $214.07 to $215.06.

F1 · ownership.nature: 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.

F2 · ownership.nature: 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.

SEC source: 0001193125-26-361476 · ownership.xml · nonDerivative · entry 21

Meister Keith A. · CIK 0001307631 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 1,677,637

F23 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $213.07 to $214.06.

F1 · ownership.nature: 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.

F2 · ownership.nature: 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.

SEC source: 0001193125-26-361476 · ownership.xml · nonDerivative · entry 20

Meister Keith A. · CIK 0001307631 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 1,684,458

F22 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $212.06 to $213.05.

F1 · ownership.nature: 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.

F2 · ownership.nature: 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.

SEC source: 0001193125-26-361476 · ownership.xml · nonDerivative · entry 19

Meister Keith A. · CIK 0001307631 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 1,697,508

F21 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $211.06 to $212.04.

F1 · ownership.nature: 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.

F2 · ownership.nature: 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.

SEC source: 0001193125-26-361476 · ownership.xml · nonDerivative · entry 18

Meister Keith A. · CIK 0001307631 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 1,704,659

F20 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $210.01 to $210.99.

F1 · ownership.nature: 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.

F2 · ownership.nature: 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.

SEC source: 0001193125-26-361476 · ownership.xml · nonDerivative · entry 17

Meister Keith A. · CIK 0001307631 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 1,709,187

F19 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $219.15 to $220.00.

F1 · ownership.nature: 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.

F2 · ownership.nature: 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.

SEC source: 0001193125-26-361476 · ownership.xml · nonDerivative · entry 16

Meister Keith A. · CIK 0001307631 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 1,718,535

F18 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $218.14 to $219.13.

F1 · ownership.nature: 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.

F2 · ownership.nature: 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.

SEC source: 0001193125-26-361476 · ownership.xml · nonDerivative · entry 15

Meister Keith A. · CIK 0001307631 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 1,724,228

F17 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $217.14 to $218.13.

F1 · ownership.nature: 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.

F2 · ownership.nature: 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.

SEC source: 0001193125-26-361476 · ownership.xml · nonDerivative · entry 14

Meister Keith A. · CIK 0001307631 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 1,745,375

F16 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $216.14 to $217.13.

F1 · ownership.nature: 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.

F2 · ownership.nature: 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.

SEC source: 0001193125-26-361476 · ownership.xml · nonDerivative · entry 13

Meister Keith A. · CIK 0001307631 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 1,760,638

F15 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $215.14 to $216.13.

F1 · ownership.nature: 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.

F2 · ownership.nature: 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.

SEC source: 0001193125-26-361476 · ownership.xml · nonDerivative · entry 12

Meister Keith A. · CIK 0001307631 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 1,779,043

F14 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $214.14 to $215.11.

F1 · ownership.nature: 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.

F2 · ownership.nature: 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.