Entegris Q2 Outlook: Revenue $870M - $900M Vs. $871.55M Estimate, Adj. EPS $0.53 - $0.58 Vs. $0.57 Estimate

Reconciliation of GAAP Outlook to Non-GAAP Outlook

(In millions, except per share data)

(Unaudited)

Second -Quarter Outlook

Reconciliation GAAP Operating Margin to non-GAAP Operating Margin and Adjusted EBITDA Margin

July 1, 2023

Net sales

$870 - $900

GAAP - Operating income

$103 - $119

Operating margin - as a % of net sales

12% - 13%

Deal, transaction and integration costs

20

Amortization of intangible assets

57

Adjusted operating income

$180 - 196

Adjusted operating margin - as a % of net sales

21% - 22%

Depreciation

58

Adjusted EBITDA

$238 - $254

Adjusted EBITDA - as a % of net sales

27% - 28%

Second -Quarter Outlook

Reconciliation GAAP net income to non-GAAP net income

July 1, 2023

GAAP net income

$14 - $21

Adjustments to net income:

Deal, transaction and integration costs

20

Amortization of intangible assets

57

Income tax effect

(11)

Non-GAAP net income

$80 - $87

Second -Quarter Outlook

Reconciliation GAAP diluted earnings per share to non-GAAP diluted earnings per share

July 1, 2023

Diluted earnings per common share

$0.09 - $0.14

Adjustments to diluted earnings per common share:

Deal, transaction and integration costs

0.13

Amortization of intangible assets

0.38

Income tax effect

(0.07)

Diluted non-GAAP earnings per common share

$0.53 - $0.58