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Technology · Optical Instruments · NYSE

COHRCoherent Corp.

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Earnings releases

Latest results release: Nov 4, 2026

8-K item 2.02, exhibit 99
Latest releaseRead ↓
Nov 4, 2026
PRESS RELEASE COHERENT CORP. REPORTS FIRST QUARTER FISCAL 2027 RESULTS
Releases kept
13
29 documents, oldest Nov 6, 2023
Adjusted EPS against GAAPEach quarter ↓
+10%
$2.09 adjusted, $1.90 GAAP, Nov 4, 2026

What COHR's management wrote with each quarter's results: the press release and, when the company files them, its prepared remarks or the call transcript. The call itself is not filed with SEC, so most quarters have the release only.

In the company's own words

Adjusted vs GAAP earnings per share

Each release

In its release of 2026-11-04, COHR reported $1.90 per share under GAAP and $2.09 on its own adjusted basis: the adjusted number is +10% above GAAP.

The company's words, latest release
Q1 GAAP EPS OF $1.90, INCREASED $0.71 Y/Y release
Q1 NON-GAAP EPS OF $2.09, INCREASED $0.93 Y/Y SAXONBURG, Pa., November 4, 2026 (GLOBE NEWSWIRE) release

What the company says its adjusted numbers leave out:

The non-GAAP net earnings attributable to Coherent Corp., the non-GAAP diluted earnings per share, the non-GAAP operating income, the non-GAAP gross margin, the non-GAAP research and development, the non-GAAP selling, general and administration, the non-GAAP operating expenses, the non-GAAP interest and other (income) expense, and the non-GAAP income taxes, measure earnings and operating income (loss), respectively, excluding non-recurring or unusual items that are considered by management to be outside the Company’s standard operation and excluding certain non-cash items. release Nov 4, 2026

Both numbers are read from the words of each release (usually the highlights), never computed by us; hover a number for its sentence. Quarters where the release gives them only in a table are not shown. The company decides what "adjusted" leaves out; the full reconciliation is in the release.

Read and search

Every release, in full

Linked to sec.gov
Press release Nov 4, 2026 · EX-99.1

PRESS RELEASE COHERENT CORP. REPORTS FIRST QUARTER FISCAL 2027 RESULTS

Open on SEC ↗

• Q1 GAAP GROSS MARGIN OF 39.1%, INCREASED 254 bps Y/Y; Q1 NON-GAAP GROSS MARGIN OF 40.6%, INCREASED 184 bps Y/Y

• Q1 GAAP EPS OF $1.90, INCREASED $0.71 Y/Y; Q1 NON-GAAP EPS OF $2.09, INCREASED $0.93 Y/Y

SAXONBURG, Pa., November 4, 2026 (GLOBE NEWSWIRE) – Coherent Corp. (NYSE: COHR) (“Coherent,” “We,” or the “Company”), a global leader in photonics, announced financial results today for its first quarter of fiscal year 2027 ended September 30, 2026. Revenue for the first quarter of fiscal 2027 was $2.37 billion, with GAAP gross margin of 39.1% and GAAP net income of $1.90 per diluted share. On a non-GAAPbasis, gross margin was 40.6% with net income per diluted share of $2.09. “Q1 marked a strong start to fiscal 2027, with pro forma revenue up 56% year over year and non-GAAPEPS up 80%,” said Jim Anderson, CEO. “Our established businesses delivered strong growth, while new growth areas are beginning to ramp. As AI datacenters transition from copper to optical connectivity, Coherent’s broad photonics platform and manufacturing scale position us to help customers meet rising needs for bandwidth and energy efficiency. We expect fiscal 2027 pro forma revenue growth to exceed 60%.” Sherri Luther, CFO, said, “Our Q1 results delivered substantial operating leverage and durable gross margin expansion, driven by pricing optimization and cost improvements. This margin strength gives us the confidence to raise our longer-term target. We expect to achieve our first quarter with non-GAAPgross margin above 45% before the end of calendar 2028.” 1

Operating Income is defined as earnings before income taxes, interest (1) expense, and other expense or income, net.

The Company has disclosed financial measurements in this earnings release that present financial information that are considered to be non-GAAP financial measures. These measurements are not a substitute for GAAP measurements, although the Company’s management uses these measurements as an aid in monitoring the Company’s on-going financial performance. The non-GAAP net earnings attributable to Coherent Corp., the non-GAAP diluted earnings per share, the non-GAAP operating income, the non-GAAP gross margin, the non-GAAP research and development, the non-GAAP selling, general and administration, the non-GAAP operating expenses, the non-GAAP interest and other (income) expense, and the non-GAAP income taxes, measure earnings and operating income (loss), respectively, excluding non-recurring or unusual items that are considered by management to be outside the Company’s standard operation and excluding certain non-cash items. There are limitations associated with the use of non-GAAP financial measures, (1) including that such measures may not be entirely comparable to similarly titled measures used by other companies, due to potential differences among calculation methodologies. Thus, there can be no assurance whether (i) items excluded from the non-GAAP financial measures will occur in the future or (ii) there will be cash costs associated with items excluded from the non-GAAP financial measures. The Company compensates for these limitations by using these non-GAAP financial measures as supplements to GAAP financial measures and by providing the reconciliations of the non-GAAP financial measures to their most comparable GAAP financial measures. Investors should consider adjusted measures in addition to, and not as a substitute for, or superior to, financial performance measures prepared in accordance with GAAP. All non-GAAP amounts exclude certain adjustments for share-based compensation, acquired intangible amortization expense, restructuring charges (recoveries), impairments of assets held-for-sale, gains on sale of business, integration and site consolidation expenses, integration transaction expenses, and various one-time adjustments. See Table 6 for the Reconciliation of GAAP measures to non-GAAP measures.

Revenue for the second quarter of fiscal 2027 is expected to be between • $2.55 billion and $2.75 billion.

• Gross margin percentage for the second quarter of fiscal 2027 is expected to be between 40% and 42% on a non-GAAP basis.

Total operating expenses for the second quarter of fiscal 2027 are • expected to be between $430 million and $450 million on a non-GAAP basis.

• Tax rate for the second quarter of fiscal 2027 is expected to be between 18% and 20% on a non-GAAP basis.

• EPS for the second quarter of fiscal 2027 is expected to be between $2.28 and $2.48 on a non-GAAP basis.

• Expect to achieve our first $3 billion revenue quarter by the end of fiscal 2027.

Expect fiscal 2027 pro forma revenue growth to exceed 60%, more than • double our fiscal 2026 pro forma growth rate.

• New Gross Margin Target; Expect to achieve our first quarter with non-GAAP gross margin above 45% before the end of calendar 2028.

The Company has not provided a quantitative reconciliation of forward-looking non-GAAP gross margin percentage, non-GAAP operating expenses, non-GAAP tax rate and non-GAAP earnings per share, because we cannot, without unreasonable efforts, forecast certain items required to develop comparable GAAP (1) measures. These items include, without limitation, restructuring charges, integration, site consolidation and other expenses, foreign exchange gains (losses), and share based compensation expense. The variability of these items could significantly impact our future GAAP financial results and we believe that the inclusion of any such reconciliations would imply a degree or precision that could be confusing or misleading to investors.

Investor Conference Call / Webcast Details Coherent will review the Company’s financial results for its first quarter of fiscal 2027 and business outlook on Wednesday, November 4, at 4:30 p.m. ET. A live webcast and replay of the conference call will be available on the Investor Relations section of the Company’s website at coherent.com/company/investor-relations. The Company’s financial guidance will be limited to the comments on its public quarterly earnings call and the public business outlook statements contained in this press release. Additional Information and Where to Find It In connection with the conference call described above, the Company intends to file an investor presentation as an exhibit to a Current Report on Form 8-Kfiled with the Securities and Exchange Commission (“SEC”) and to post the investor presentation on the Company’s website at coherent.com/company/investor-relations/investor- presentations after market close on November 4, 2026. We also may, from time to time, post other important information for 3

investors on our website at coherent.com/company/investor-relations. We intend to use our website as a means of disclosing material, non-public information and for complying with our disclosure obligations under Regulation FD. Accordingly, investors should review the Investor Relations page of our website referenced above, in addition to following the Company’s press releases, SEC filings, and public conference calls, presentations, and webcasts. Investors and security holders are able to obtain free copies of these documents through the Company’s website referenced above. Copies of the documents filed by the Company with the SEC may be obtained free of charge on the Company’s website at coherent.com/company/investor-relations/sec-filings. The information contained on, or that may be accessed through, the Company’s website is not incorporated by reference into, and is not part of, this release.

This press release contains statements, estimates, and projections that constitute “forward-looking statements” as defined under U.S. federal securities laws – including our business and financial outlook for the second quarter of fiscal 2027 and beyond, each of which is made pursuant to the safe harbor provisions of the U.S. Private Securities Litigation Reform Act of 1995 and relate to the Company’s performance on a going-forward basis. The forward- looking statements are subject to certain risks and uncertainties that could cause the Company’s actual results to differ materially from its historical experience and our present expectations or projections.

The Company believes that all forward-looking statements made by it herein have a reasonable basis, but there can be no assurance that management’s expectations, beliefs, or projections as expressed in the forward-looking statements will actually occur or prove to be correct. In addition to general industry and global economic conditions, factors that could cause actual results to differ materially from those discussed in the forward-looking statements herein include but are not limited to: (i) the failure of any one or more of the assumptions stated herein to prove to be correct; (ii) changes in demand in the Company’s end markets along with the Company’s ability to respond to such market changes; (iii) our failure to accurately estimate customer demand and future sales and/or fluctuations in purchasing patterns of customers and end users; (iv) the ability of the Company to retain and hire key employees; (v) the terms of the Company’s indebtedness and ability to service such debt (vi) the timely release of new products and acceptance of such new products by the market; (vii) the introduction of new products by competitors and other competitive responses; (viii) the risks to realizing the benefits of investments in R&D and commercialization of innovations; (ix) the risks that the Company’s stock price will not trade in line with industrial technology leaders; (x) the impact of international conflict and economic volatility in either domestic or foreign markets, including risks related to the impact of trade protection measures, such as import tariffs by the United States or retaliatory actions taken by other countries; and/or (xi) the risks relating to forward-looking statements and other “Risk Factors” identified from time to time in our filings with the SEC, including our Annual Report on Form 10-K for the fiscal year ended June 30, 2026, and our subsequently filed Quarterly Reports on Form 10-Q, which filings are available from the SEC. You should not place undue reliance on forward-looking statements, which speak only as of the date they are made. The Company disclaims any obligation to update information contained in these forward-looking statements, whether as a result of new information, future events or developments, or otherwise.

Coherent is the global photonics leader. We harness photons to drive innovation. Industry leaders in the datacenter, communications, and industrial markets rely on Coherent’s world-leading technology to fuel their own innovation and growth.

Founded in 1971 and operating in more than 20 countries, Coherent brings the industry’s broadest, deepest technology stack; unmatched supply chain resilience; and global scale to help its customers solve their toughest technology challenges. For more information, please visit us at coherent.com.

Table 2 Coherent Corp. and Subsidiaries Condensed Consolidated Statements of Earnings*

$ Millions (unaudited) Sep 30, 2026 Jun 30, 2026 ────────────────────────────────────────────────────────────────────────────── Assets Current Assets Cash and cash equivalents $ 1,552.9 $ 1,162.0 Restricted cash, current 44.6 35.2 Short-term investments 200.0 825.0 Accounts receivable 1,604.2 1,343.3 Inventories 3,341.4 2,581.0 Prepaid and refundable 52.5 78.9 income taxes Prepaid and other current 1,128.7 900.1 assets Total Current Assets 7,924.3 6,925.5 Property, plant & 3,869.8 2,999.3 equipment, net Goodwill 4,448.3 4,375.6 Other intangible assets, 2,815.9 2,884.5 net Deferred income taxes 90.4 69.4 Restricted cash, 538.8 571.2 non-current Other assets 560.1 474.3 Total Assets $ 20,247.6 $ 18,299.9 Liabilities and Equity Current Liabilities Current portion of $ 19.9 $ 7.9 long-term debt Accounts payable 2,506.4 1,905.4 Operating lease current 68.3 61.4 liabilities Accruals and other current 862.0 879.3 liabilities Total Current Liabilities 3,456.6 2,853.9 Long-term debt 3,980.7 3,214.3 Deferred income taxes 503.7 540.6 Operating lease liabilities 278.1 254.8 Other liabilities 366.8 198.0 Total Liabilities 8,585.9 7,061.7 Total Coherent Corp. Shareholders’ 11,330.0 10,903.5 Equity Noncontrolling interests 331.7 334.7 Total Equity 11,661.7 11,238.2 Total Liabilities and $ 20,247.6 $ 18,299.9 Equity

Table 4 Coherent Corp. and Subsidiaries Condensed Consolidated Statements of Cash Flows*

THREE MONTHS $ Millions ENDED (unaudited) Sep 30, 2026 Sep 30, 2025 ────────────────────────────────────────────────────────────────────────────── Cash Flows from Operating Activities Net cash provided by (used in) $ (92.7 ) $ 46.0 operating activities Cash Flows from Investing Activities Additions to property, plant (775.5 ) (103.9 ) & equipment Proceeds from the sale of — 391.1 business Proceeds from sale of equity — 9.6 investment Proceeds from sales/maturiti… of 625.0 — short-term investments Other investing (50.4 ) — activities Net cash provided by (used in) (200.9 ) 296.8 investing activities Cash Flows from Financing Activities Proceeds from borrowings of — 1,250.0 Term A Facility Proceeds from borrowings of — 3.3 Term B Facility Proceeds from borrowings of revolving 11.7 88.9 credit facilities Proceeds from borrowings of 773.4 — other credit facilities Payments on (0.8 ) (1,650.8 ) existing debt Payments on borrowings under revolving (9.8 ) (77.0 ) credit facilities Debt issuance — (8.5 ) costs Proceeds from exercises of stock options and purchases 19.4 21.3 under employee stock purchase plan Payments in satisfaction of employees’ (128.6 ) (37.4 ) minimum tax obligations Payment of — (11.4 ) dividends Other financing (0.6 ) 0.3 activities Net cash provided by (used in) 664.6 (421.5 ) financing activities Effect of exchange rate changes on cash (3.1 ) (1.3 ) and cash equivalents Net increase (decrease) in 367.9 (80.0 ) cash and cash equivalents Cash, Cash Equivalents, and Restricted 1,768.4 1,632.9 Cash at Beginning of Period Cash, Cash Equivalents, and Restricted $ 2,136.3 $ 1,552.9 Cash at End of Period

Integration, site consolidation and other costs include retention and (1) severance payments and other integration costs related to the acquisition of Coherent, Inc., implementation of common technology systems and costs related to business divestitures.

Financing fees include debt extinguishment costs and various fees (2) related to closing the new Credit Agreement and repricing our Term Loan B.

Restructuring charges include non-cash impairment charges for (3) production assets and improvements on leased facilities, severance, contract termination costs and other costs related to the restructuring plans.

(4) Impairment of assets held-for-sale relate to several entities classified as held-for-sale.

(5) Gain on sale of business is due to the sale of our aerospace and defense business.

(6) Gain on sale of investment is due to the sale of shares in an equity method investment.

The Company adopted a full-year, normalized tax rate for the computation of the non-GAAP income tax provision beginning in fiscal year 2026. We believe this approach provides investors with a more consistent view of our underlying operating performance. In estimating the full-year non-GAAP normalized tax rate, the Company utilized a full-year financial projection that considers multiple factors such as changes to the (7) Company’s current operating structure, expected reserve changes for the year, and other significant tax matters to the extent they are applicable to the full fiscal year financial projection. In addition to the adjustments described above, this normalized tax rate excludes the impact of share-based awards, amortization of acquisition-related intangible assets, integration and restructuring charges, foreign exchange gain/(loss), and certain tax valuation allowances.

For fiscal years 2026 and 2027, the Company’s non-GAAPnormalized tax rate is 19%. This projected normalized tax rate was applied to each quarter of fiscal year 2026 and 2027. The Company’s non-GAAPnormalized tax rate on non-GAAPnet income may be adjusted during the year to account for events or trends that the Company believes materially impact the original annual non-GAAPnormalized tax rate including, but not limited to, significant changes resulting from tax legislation, acquisitions or dispositions, entity structures or operational changes and other significant events. These additional non-GAAPfinancial measures should not be considered substitutes for any measures derived in accordance with GAAP and may be inconsistent with similar measures presented by other companies. 12

$ Millions, except per share THREE amounts MONTHS Sep 30, Jun 30, Sep 30, (unaudit… ENDED 2026 2026 2025 ────────────────────────────────────────────────────────────────────────────── Numerat… Net earnings attribu… $ 384.7 $ 240.5 $ 226.3 to Coherent Corp. Deduct Series B redeema… — — (33.5 ) preferr… dividen… Basic earnings availab… $ 384.7 $ 240.5 $ 192.9 to common shareho… Effect of dilutive securit… Add back Series B $ — $ — $ 33.5 preferr… dividen… Diluted earnings availab… $ 384.7 $ 240.5 $ 226.3 to common shareho… Denomin… Weighted average 196.2 195.7 156.2 shares Effect of dilutive securit… Common stock 5.8 6.6 4.6 equival… Series B Redeema… — — 29.9 Preferr… Stock Diluted weighted average 202.0 202.2 190.7 common shares Basic earnings per $ 1.96 $ 1.23 $ 1.24 common share Diluted earnings per $ 1.90 $ 1.19 $ 1.19 common share

$ Millions, except per share THREE amounts MONTHS Sep 30, Jun 30, Sep 30, (unaudit… ENDED 2026 2026 2025 ────────────────────────────────────────────────────────────────────────────── Numerat… Net earnings attribu… to $ 422.0 $ 351.2 $ 220.9 Coherent Corp. on non-GAAP basis Deduct Series B redeema… — — (33.5 ) preferr… dividen… Basic earnings availab… $ 422.0 $ 351.2 $ 187.5 to common shareho… Effect of dilutive securit… Add back Series B $ — $ — $ 33.5 preferr… dividen… Diluted earnings availab… $ 422.0 $ 351.2 $ 220.9 to common shareho… Denomin… Weighted average 196.2 195.7 156.2 shares Effect of dilutive securit… Common stock 5.8 6.6 4.6 equival… Series B Redeema… — — 29.9 Preferr… Stock Diluted weighted average 202.0 202.2 190.7 common shares Basic earnings per common $ 2.15 $ 1.79 $ 1.20 share on non-GAAP basis Diluted earnings per common $ 2.09 $ 1.74 $ 1.16 share on non-GAAP basis

Full text with the tables
Exhibit 99.1
                            
  Coherent Corp.            
  375 Saxonburg Blvd.       
  Saxonburg, PA 16056-9499  
                            
PRESS RELEASE COHERENT CORP. REPORTS FIRST QUARTER FISCAL 2027 RESULTS
                                                                                
  •    Q1 REVENUE OF $2.37B, INCREASED 50% Y/Y AND 56% Y/Y ON A PRO FORMA       
       BASIS                                                                    
                                                                                
                                                                          
  •    Q1 GAAP GROSS MARGIN OF 39.1%, INCREASED 254 bps Y/Y; Q1 NON-GAAP  
       GROSS MARGIN OF 40.6%, INCREASED 184 bps Y/Y                       
                                                                          
                                                                             
  •    Q1 GAAP EPS OF $1.90, INCREASED $0.71 Y/Y; Q1 NON-GAAP EPS OF $2.09,  
       INCREASED $0.93 Y/Y                                                   
                                                                             
SAXONBURG, Pa., November 4, 2026 (GLOBE NEWSWIRE) – Coherent Corp. (NYSE: COHR)
(“Coherent,” “We,” or the “Company”), a global leader in photonics, announced
financial results today for its first quarter of fiscal year 2027 ended
September 30, 2026. Revenue for the first quarter of fiscal 2027 was $2.37
billion, with GAAP gross margin of 39.1% and GAAP net income of $1.90 per
diluted share. On a non-GAAPbasis, gross margin was 40.6% with net income per
diluted share of $2.09. “Q1 marked a strong start to fiscal 2027, with pro forma
revenue up 56% year over year and non-GAAPEPS up 80%,” said Jim Anderson, CEO.
“Our established businesses delivered strong growth, while new growth areas are
beginning to ramp. As AI datacenters transition from copper to optical
connectivity, Coherent’s broad photonics platform and manufacturing scale
position us to help customers meet rising needs for bandwidth and energy
efficiency. We expect fiscal 2027 pro forma revenue growth to exceed 60%.”
Sherri Luther, CFO, said, “Our Q1 results delivered substantial operating
leverage and durable gross margin expansion, driven by pricing optimization and
cost improvements. This margin strength gives us the confidence to raise our
longer-term target. We expect to achieve our first quarter with non-GAAPgross
margin above 45% before the end of calendar 2028.” 1
                                                                                
  S…                                                                            
  F…                                                                            
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  p…                                                                            
  a…                                                                            
  p…                                                                            
  s…    GA…                                                                     
  d…    Fi…                                                                     
  T…    Re…   Q1            Q4           Q1                                     
  1     (u…  FY…          FY26          FY…           Q/Q             Y/Y       
 ────────────────────────────────────────────────────────────────────────────── 
  R…    $    2,…       $  2,0…       $  1,…          15.9  %         49.9  %    
  G…                                                                            
  M…         39…  %       38.5  %       36…  %         66  bps        254  bps  
  %                                                                             
  R…                                                       )                    
  E…         10…  %       10.6  %       9.8  %        (60  bps         18  bps  
  %                                                                             
  S…                                                       )               )    
  E…         12…  %       13.0  %       15…  %        (17  bps       (304  bps  
  %                                                                             
  O…    $    550       $   533       $  320           3.2  %         71.8  %    
  E…                                                                            
  O…    $    378       $   254       $  259          48.8  %         45.9  %    
  I…                                                                            
  O…         15…  %       12.4  %       16…  %        353  bps        -46  bps  
  M…                                                                            
  N…                                                                            
  E…                                                                            
  A…    $    385       $   241       $  226          59.9  %         70.2  %    
  to                                                                            
  C…                                                                            
  C…                                                                            
  D…                                                                            
  E…    $    1.…       $  1.19       $  1.…       $  0.71         $  0.71       
  P…                                                                            
  S…                                                                            
                                                                                
                                                                                
       Operating Income is defined as earnings before income taxes, interest    
  (1)  expense, and other expense or income,                                    
       net.                                                                     
                                                                                
                                                                                
  S…                                                                            
  F…                                                                            
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  s…                                                                            
  d…    No…                                                                     
  T…    Fi…                                                                     
  1,    Re…   Q1            Q4           Q1                                     
  c…    (u…  FY…          FY26          FY…           Q/Q             Y/Y       
 ────────────────────────────────────────────────────────────────────────────── 
  R…    $    2,…       $  2,0…       $  1,…          15.9  %         49.9  %    
  G…                                                                            
  M…         40…  %       40.2  %       38…  %         37  bps        184  bps  
  %                                                                             
  R…                                                       )                    
  E…         9.6  %       10.2  %       9.4  %        (62  bps         21  bps  
  %                                                                             
  S…                                                       )               )    
  E…         7.8  %        8.2  %       9.8  %        (44  bps       (205  bps  
  %                                                                             
  O…    $    412       $   377       $  304           9.2  %         35.5  %    
  E…                                                                            
  O…    $    550       $   446       $  309          23.4  %         78.1  %    
  I…                                                                            
  O…         23…  %       21.8  %       19…  %        142  bps        368  bps  
  M…                                                                            
  N…                                                                            
  E…                                                                            
  A…    $    422       $   351       $  221          20.1  %         91.0  %    
  to                                                                            
  C…                                                                            
  C…                                                                            
  D…                                                                            
  E…    $    2.…       $  1.74       $  1.…       $  0.35         $  0.93       
  P…                                                                            
  S…                                                                            
                                                                                
                                                                                
       The Company has disclosed financial measurements in this earnings        
       release that present financial information                               
       that are considered to be non-GAAP financial measures. These             
       measurements are not a substitute for GAAP measurements, although the    
       Company’s management uses these measurements as an aid in monitoring     
       the                                                                      
       Company’s on-going financial performance. The non-GAAP net earnings      
       attributable to Coherent Corp., the non-GAAP diluted                     
       earnings per share, the non-GAAP operating income, the non-GAAP gross    
       margin, the non-GAAP research and development, the non-GAAP selling,     
       general and administration, the non-GAAP operating expenses, the         
       non-GAAP interest and other (income) expense, and                        
       the non-GAAP income taxes, measure earnings and operating income         
       (loss), respectively, excluding non-recurring or unusual items that are  
       considered by management to be                                           
       outside the Company’s standard operation and excluding certain non-cash  
       items. There are limitations associated with the use of non-GAAP         
       financial measures,                                                      
  (1)  including that such measures may not be entirely comparable to           
       similarly titled measures used by other companies, due to potential      
       differences among calculation methodologies. Thus, there can be no       
       assurance whether (i) items excluded from the non-GAAP financial         
       measures will occur in the future or (ii) there will be cash costs       
       associated with items excluded from the non-GAAP financial measures.     
       The Company                                                              
       compensates for these limitations by using these non-GAAP financial      
       measures as supplements to GAAP financial measures and by providing the  
       reconciliations of the                                                   
       non-GAAP financial measures to their most comparable GAAP financial      
       measures. Investors should consider adjusted measures in addition to,    
       and not as a substitute for, or superior to, financial performance       
       measures prepared in accordance with GAAP. All non-GAAP amounts exclude  
       certain adjustments for share-based compensation, acquired intangible    
       amortization expense, restructuring charges (recoveries),                
       impairments of assets held-for-sale, gains on sale of business,          
       integration and site consolidation expenses, integration transaction     
       expenses, and various one-time adjustments. See Table 6 for the          
       Reconciliation of GAAP measures to non-GAAP measures.                    
                                                                                
2

Business Outlook – Second Quarter Fiscal 2027 (1)
                                                                                
       Revenue for the second quarter of fiscal 2027 is expected to be between  
  •    $2.55 billion and                                                        
       $2.75 billion.                                                           
                                                                                
                                                                                
  •    Gross margin percentage for the second quarter of fiscal 2027 is         
       expected to be between 40% and 42% on a non-GAAP basis.                  
                                                                                
                                                                                
       Total operating expenses for the second quarter of fiscal 2027 are       
  •    expected to be between $430 million and                                  
       $450 million on a non-GAAP basis.                                        
                                                                                
                                                                                
  •    Tax rate for the second quarter of fiscal 2027 is expected to be         
       between 18% and 20% on a non-GAAP basis.                                 
                                                                                
                                                                                
  •    EPS for the second quarter of fiscal 2027 is expected to be between      
       $2.28 and $2.48 on a non-GAAP basis.                                     
                                                                                
Additional Revenue and Gross Margin Guidance
                                                                                
  •    Expect to achieve our first $3 billion revenue quarter by the end of     
       fiscal 2027.                                                             
                                                                                
                                                                                
       Expect fiscal 2027 pro forma revenue growth to exceed 60%, more than     
  •    double our fiscal 2026 pro forma growth                                  
       rate.                                                                    
                                                                                
                                                                
  •    Expect first $4 billion revenue quarter in fiscal 2028.  
                                                                
                                                                          
  •    New Gross Margin Target; Expect to achieve our first quarter with  
       non-GAAP gross margin above 45% before the end of calendar 2028.   
                                                                          
                                                                                
       The Company has not provided a quantitative reconciliation of            
       forward-looking                                                          
       non-GAAP gross margin percentage, non-GAAP operating expenses, non-GAAP  
       tax rate and                                                             
       non-GAAP earnings per share, because we cannot, without unreasonable     
       efforts, forecast certain items required to develop comparable GAAP      
  (1)  measures. These items include, without limitation, restructuring         
       charges, integration, site consolidation and other expenses, foreign     
       exchange gains (losses), and share based compensation expense. The       
       variability of these items could significantly impact our future GAAP    
       financial results and we believe that the                                
       inclusion of any such reconciliations would imply a degree or precision  
       that could be confusing or misleading to investors.                      
                                                                                
Investor Conference Call / Webcast Details Coherent will review the Company’s
financial results for its first quarter of fiscal 2027 and business outlook on
Wednesday, November 4, at 4:30 p.m. ET. A live webcast and replay of the
conference call will be available on the Investor Relations section of the
Company’s website at coherent.com/company/investor-relations. The Company’s
financial guidance will be limited to the comments on its public quarterly
earnings call and the public business outlook statements contained in this press
release. Additional Information and Where to Find It In connection with the
conference call described above, the Company intends to file an investor
presentation as an exhibit to a Current Report on Form 8-Kfiled with the
Securities and Exchange Commission (“SEC”) and to post the investor presentation
on the Company’s website at coherent.com/company/investor-relations/investor-
presentations after market close on November 4, 2026. We also may, from time to
time, post other important information for 3

investors on our website at coherent.com/company/investor-relations. We intend
to use our website as a means of disclosing material, non-public information
and for complying with our disclosure obligations under Regulation FD.
Accordingly, investors should review the Investor Relations page of our website
referenced above, in addition to following the Company’s press releases, SEC
filings, and
public conference calls, presentations, and webcasts. Investors and security
holders are able to obtain free copies of these documents through the Company’s
website referenced above. Copies of the documents filed by the Company with the
SEC
may be obtained free of charge on the Company’s website at
coherent.com/company/investor-relations/sec-filings. The information contained
on, or that may be accessed through, the Company’s website
is not incorporated by reference into, and is not part of, this release.

Forward-Looking Statements

This press release contains statements, estimates, and projections that
constitute “forward-looking statements” as defined under U.S. federal
securities laws – including our business and financial outlook for the second
quarter of fiscal 2027 and beyond, each of which is made pursuant to the safe
harbor provisions of the U.S. Private Securities Litigation Reform Act of 1995
and
relate to the Company’s performance on a going-forward basis. The forward-
looking statements are subject to certain risks and uncertainties that could
cause the Company’s actual results to differ materially from its historical
experience
and our present expectations or projections.

The Company believes that all forward-looking statements made by it herein have
a reasonable basis, but
there can be no assurance that management’s expectations, beliefs, or
projections as expressed in the forward-looking statements will actually occur
or prove to be correct. In addition to general industry and global economic
conditions,
factors that could cause actual results to differ materially from those
discussed in the forward-looking statements herein include but are not limited
to: (i) the failure of any one or more of the assumptions stated herein to prove
to be
correct; (ii) changes in demand in the Company’s end markets along with the
Company’s ability to respond to such market changes; (iii) our failure to
accurately estimate customer demand and future sales and/or fluctuations in
purchasing patterns of customers and end users; (iv) the ability of the Company
to retain and hire key employees; (v) the terms of the Company’s indebtedness
and ability to service such debt (vi) the timely release of new
products and acceptance of such new products by the market; (vii) the
introduction of new products by competitors and other competitive responses;
(viii) the risks to realizing the benefits of investments in R&D and
commercialization
of innovations; (ix) the risks that the Company’s stock price will not trade in
line with industrial technology leaders; (x) the impact of international
conflict and economic volatility in either domestic or foreign markets,
including risks related to the impact of trade protection measures, such as
import tariffs by the United States or retaliatory actions taken by other
countries; and/or (xi) the risks relating to forward-looking statements and
other “Risk
Factors” identified from time to time in our filings with the SEC, including our
Annual Report on Form 10-K for the fiscal year ended June 30, 2026, and our
subsequently filed Quarterly Reports on
Form 10-Q, which filings are available from the SEC. You should not place undue
reliance on forward-looking statements, which speak only as of the date they are
made. The Company disclaims any obligation to
update information contained in these forward-looking statements, whether as a
result of new information, future events or developments, or otherwise.

4

About Coherent

Coherent is the global photonics leader. We harness photons to drive innovation.
Industry leaders in the datacenter, communications, and industrial markets
rely on Coherent’s world-leading technology to fuel their own innovation and
growth.

Founded in 1971 and operating in more than 20 countries,
Coherent brings the industry’s broadest, deepest technology stack; unmatched
supply chain resilience; and global scale to help its customers solve their
toughest technology challenges. For more information, please visit us at
coherent.com.

Contact:

Paul Silverstein

Senior VP, Investor Relations

investor.relations@coherent.com

# # #

5

Table 2 Coherent Corp. and Subsidiaries Condensed Consolidated Statements of
Earnings*
                                                                                
           $                                                                    
           Million…                                                             
           except                                                               
           per                                                                  
           share     THREE                                                      
           amounts   MONTHS     Sep 30,           Jun 30,           Sep 30,     
           (unaudi…  ENDED         2026              2026              2025     
 ────────────────────────────────────────────────────────────────────────────── 
  Revenu…            $          2,370.3       $   2,045.5       $   1,581.4     
  Costs,                                                                        
  Expens…                                                                       
  & Other                                                                       
  Expense                                                                       
  (Incom…                                                                       
  Cost of                                                                       
  goods                         1,442.6           1,258.5           1,002.2     
  sold                                                                          
  Resear…                                                                       
  and                             236.6             216.4             154.9     
  develo…                                                                       
  Sellin…                                                                       
  general                         304.7             266.4             252.1     
  and                                                                           
  admini…                                                                       
  Restru…                           8.6               6.1              19.3     
  charges                                                                       
  Impair…                                                                       
  of                                  —              44.3               9.1     
  assets                                                                        
  held-f…                                                                       
  Gain on                                                                       
  sale of                             —                 —            (115.2  )  
  busine…                                                                       
  Intere…                          46.3              41.1              58.7     
  expense                                                                       
  Other                                                                         
  expense                         (27.2  )          (65.6  )          (16.5  )  
  (incom…                                                                       
  net                                                                           
  Total                                                                         
  Costs,                                                                        
  Expens…                       2,011.6           1,767.0           1,364.5     
  & Other                                                                       
  Expense                                                                       
  Earnin…                                                                       
  Before                          358.8             278.5             216.9     
  Income                                                                        
  Taxes                                                                         
  Income                          (22.8  )           42.3              (8.3  )  
  Taxes                                                                         
  Net                             381.6             236.2             225.2     
  Earnin…                                                                       
  Net                                                                           
  Loss                                                                          
  Attrib…                          (3.1  )           (4.3  )           (1.2  )  
  to                                                                            
  Noncon…                                                                       
  Intere…                                                                       
  Net                                                                           
  Earnin…                                                                       
  Attrib…                         384.7             240.5             226.3     
  to                                                                            
  Cohere…                                                                       
  Corp.                                                                         
  Less:                                                                         
  Divide…                                                                       
  on                                  —                 —              33.5     
  Prefer…                                                                       
  Stock                                                                         
  Net                                                                           
  Earnin…                                                                       
  Availa…            $            384.7       $     240.5       $     192.9     
  to the                                                                        
  Common                                                                        
  Shareh…                                                                       
  Basic                                                                         
  Earnin…            $             1.96       $      1.23       $      1.24     
  Per                                                                           
  Share                                                                         
  Diluted                                                                       
  Earnin…            $             1.90       $      1.19       $      1.19     
  Per                                                                           
  Share                                                                         
  Average                                                                       
  Shares                          196.2             195.7             156.2     
  Outsta…                                                                       
  - Basic                                                                       
  Average                                                                       
  Shares                                                                        
  Outsta…                         202.0             202.2             190.7     
  -                                                                             
  Diluted                                                                       
                                                                                
                                                   
  *  Amounts may not recalculate due to rounding.  
                                                   
6

Table 3 Coherent Corp. and Subsidiaries Condensed Consolidated Balance Sheets*
                                                                                
                               $ Millions                                       
                               (unaudited)     Sep 30, 2026       Jun 30, 2026  
 ────────────────────────────────────────────────────────────────────────────── 
  Assets                                                                        
  Current Assets                                                                
  Cash and cash equivalents                 $       1,552.9    $       1,162.0  
  Restricted cash, current                             44.6               35.2  
  Short-term investments                              200.0              825.0  
  Accounts receivable                               1,604.2            1,343.3  
  Inventories                                       3,341.4            2,581.0  
  Prepaid and refundable                               52.5               78.9  
  income taxes                                                                  
  Prepaid and other current                         1,128.7              900.1  
  assets                                                                        
  Total Current Assets                              7,924.3            6,925.5  
  Property, plant &                                 3,869.8            2,999.3  
  equipment, net                                                                
  Goodwill                                          4,448.3            4,375.6  
  Other intangible assets,                          2,815.9            2,884.5  
  net                                                                           
  Deferred income taxes                                90.4               69.4  
  Restricted cash,                                    538.8              571.2  
  non-current                                                                   
  Other assets                                        560.1              474.3  
  Total Assets                              $      20,247.6    $      18,299.9  
  Liabilities and Equity                                                        
  Current Liabilities                                                           
  Current portion of                        $          19.9    $           7.9  
  long-term debt                                                                
  Accounts payable                                  2,506.4            1,905.4  
  Operating lease current                              68.3               61.4  
  liabilities                                                                   
  Accruals and other current                          862.0              879.3  
  liabilities                                                                   
  Total Current Liabilities                         3,456.6            2,853.9  
  Long-term debt                                    3,980.7            3,214.3  
  Deferred income taxes                               503.7              540.6  
  Operating lease liabilities                         278.1              254.8  
  Other liabilities                                   366.8              198.0  
  Total Liabilities                                 8,585.9            7,061.7  
  Total Coherent Corp.                                                          
  Shareholders’                                    11,330.0           10,903.5  
  Equity                                                                        
  Noncontrolling interests                            331.7              334.7  
  Total Equity                                     11,661.7           11,238.2  
  Total Liabilities and                     $      20,247.6    $      18,299.9  
  Equity                                                                        
                                                                                
                                                   
  *  Amounts may not recalculate due to rounding.  
                                                   
7

Table 4 Coherent Corp. and Subsidiaries Condensed Consolidated Statements of
Cash Flows*
                                                                                
                     THREE MONTHS                                               
  $ Millions         ENDED                                                      
  (unaudited)        Sep 30, 2026                    Sep 30, 2025               
 ────────────────────────────────────────────────────────────────────────────── 
  Cash Flows from                                                               
  Operating                                                                     
  Activities                                                                    
  Net cash                                                                      
  provided by                                                                   
  (used in)          $                   (92.7  )    $                 46.0     
  operating                                                                     
  activities                                                                    
  Cash Flows from                                                               
  Investing                                                                     
  Activities                                                                    
  Additions to                                                                  
  property, plant                       (775.5  )                    (103.9  )  
  & equipment                                                                   
  Proceeds from                                                                 
  the sale of                                —                        391.1     
  business                                                                      
  Proceeds from                                                                 
  sale of equity                             —                          9.6     
  investment                                                                    
  Proceeds from                                                                 
  sales/maturiti…                                                               
  of                                     625.0                            —     
  short-term                                                                    
  investments                                                                   
  Other investing                        (50.4  )                         —     
  activities                                                                    
  Net cash                                                                      
  provided by                                                                   
  (used in)                             (200.9  )                     296.8     
  investing                                                                     
  activities                                                                    
  Cash Flows from                                                               
  Financing                                                                     
  Activities                                                                    
  Proceeds from                                                                 
  borrowings of                              —                      1,250.0     
  Term A                                                                        
  Facility                                                                      
  Proceeds from                                                                 
  borrowings of                              —                          3.3     
  Term B                                                                        
  Facility                                                                      
  Proceeds from                                                                 
  borrowings of                                                                 
  revolving                               11.7                         88.9     
  credit                                                                        
  facilities                                                                    
  Proceeds from                                                                 
  borrowings of                          773.4                            —     
  other credit                                                                  
  facilities                                                                    
  Payments on                             (0.8  )                  (1,650.8  )  
  existing debt                                                                 
  Payments on                                                                   
  borrowings                                                                    
  under revolving                         (9.8  )                     (77.0  )  
  credit                                                                        
  facilities                                                                    
  Debt issuance                              —                         (8.5  )  
  costs                                                                         
  Proceeds from                                                                 
  exercises of                                                                  
  stock options                                                                 
  and purchases                           19.4                         21.3     
  under employee                                                                
  stock                                                                         
  purchase plan                                                                 
  Payments in                                                                   
  satisfaction of                                                               
  employees’                            (128.6  )                     (37.4  )  
  minimum tax                                                                   
  obligations                                                                   
  Payment of                                 —                        (11.4  )  
  dividends                                                                     
  Other financing                         (0.6  )                       0.3     
  activities                                                                    
  Net cash                                                                      
  provided by                                                                   
  (used in)                              664.6                       (421.5  )  
  financing                                                                     
  activities                                                                    
  Effect of                                                                     
  exchange rate                                                                 
  changes on cash                         (3.1  )                      (1.3  )  
  and cash                                                                      
  equivalents                                                                   
  Net increase                                                                  
  (decrease) in                          367.9                        (80.0  )  
  cash and cash                                                                 
  equivalents                                                                   
  Cash, Cash                                                                    
  Equivalents,                                                                  
  and Restricted                       1,768.4                      1,632.9     
  Cash at                                                                       
  Beginning of                                                                  
  Period                                                                        
  Cash, Cash                                                                    
  Equivalents,                                                                  
  and Restricted     $                 2,136.3       $              1,552.9     
  Cash at End of                                                                
  Period                                                                        
                                                                                
                                                   
  *  Amounts may not recalculate due to rounding.  
                                                   
8

Table 5 Segment Revenues*
                                                                                
             $          THREE                                                   
             Millions   MONTHS        Sep 30,          Jun 30,         Sep 30,  
             (unaudit…  ENDED            2026             2026            2025  
 ────────────────────────────────────────────────────────────────────────────── 
  Revenues:                                                                     
  Datacent…                                                                     
  &                     $             1,951.7    $     1,615.0    $    1,090.0  
  Communic…                                                                     
  Industri…                             418.6            430.5           491.4  
  Consolid…             $             2,370.3    $     2,045.5    $    1,581.4  
                                                                                
                                                   
  *  Amounts may not recalculate due to rounding.  
                                                   
9

Table 6 Reconciliation of GAAP Measures to Non-GAAP Measures*
                                                                                
           $                                                                    
           Million…                                                             
           except                                                               
           per                                                                  
           share     THREE                                                      
           amounts   MONTHS     Sep 30,           Jun 30,           Sep 30,     
           (unaudi…  ENDED         2026              2026              2025     
 ────────────────────────────────────────────────────────────────────────────── 
  Gross                                                                         
  margin             $            927.8       $     787.1       $     579.2     
  on GAAP                                                                       
  basis                                                                         
  Share-…                           6.1               7.4               5.9     
  compen…                                                                       
  Amorti…                                                                       
  of                               27.7              27.8              27.8     
  acquir…                                                                       
  intang…                                                                       
  Integr…                                                                       
  site                                                                          
  consol…                           0.4               0.3              (0.3  )  
  and                                                                           
  other(…                                                                       
  Gross                                                                         
  margin                                                                        
  on                 $            961.9       $     822.6       $     612.6     
  non-GA…                                                                       
  basis                                                                         
  Resear…                                                                       
  &                                                                             
  develo…            $            236.6       $     216.4       $     154.9     
  on GAAP                                                                       
  basis                                                                         
  Share-…                          (9.7  )           (8.0  )           (6.8  )  
  compen…                                                                       
  Amorti…                                                                       
  of                               (0.2  )           (0.2  )           (0.2  )  
  acquir…                                                                       
  intang…                                                                       
  Resear…                                                                       
  &                                                                             
  develo…            $            226.7       $     208.3       $     147.9     
  on                                                                            
  non-GA…                                                                       
  basis                                                                         
  Sellin…                                                                       
  general                                                                       
  and                                                                           
  admini…            $            304.7       $     266.4       $     252.1     
  on                                                                            
  GAAP                                                                          
  basis                                                                         
  Share-…                         (57.4  )          (38.5  )          (32.0  )  
  compen…                                                                       
  Amorti…                                                                       
  of                              (41.6  )          (41.8  )          (41.5  )  
  acquir…                                                                       
  intang…                                                                       
  Financ…                             —                 —              (0.3  )  
  fees(2)                                                                       
  Integr…                                                                       
  site                                                                          
  consol…                         (20.8  )          (17.4  )          (22.5  )  
  and                                                                           
  other(…                                                                       
  Sellin…                                                                       
  general                                                                       
  and                                                                           
  admini…            $            184.9       $     168.5       $     155.8     
  on                                                                            
  non-GA…                                                                       
  basis                                                                         
  Restru…                                                                       
  charges            $              8.6       $       6.1       $      19.3     
  on GAAP                                                                       
  basis                                                                         
  Restru…                          (8.6  )           (6.1  )          (19.3  )  
  charge…                                                                       
  Restru…                                                                       
  charges                                                                       
  on                 $                —       $         —       $         —     
  non-GA…                                                                       
  basis                                                                         
  Impair…                                                                       
  of                                                                            
  assets             $                —       $      44.3       $       9.1     
  held-f…                                                                       
  on GAAP                                                                       
  basis                                                                         
  Impair…                                                                       
  of                                  —             (44.3  )           (9.1  )  
  assets                                                                        
  held-f…                                                                       
  Impair…                                                                       
  of                                                                            
  assets                                                                        
  held-f…            $                —       $         —       $         —     
  on                                                                            
  non-GA…                                                                       
  basis                                                                         
  Gain on                                                                       
  sale of                                                                       
  busine…            $                —       $         —       $    (115.2  )  
  on GAAP                                                                       
  basis                                                                         
  Gain on                                                                       
  sale of                             —                 —             115.2     
  busine…                                                                       
  Gain on                                                                       
  sale of                                                                       
  busine…            $                —       $         —       $         —     
  on                                                                            
  non-GA…                                                                       
  basis                                                                         
  Operat…                                                                       
  income             $            377.9       $     253.9       $     259.1     
  on GAAP                                                                       
  basis                                                                         
  Share-…                          73.2              53.9              44.7     
  compen…                                                                       
  Amorti…                                                                       
  of                               69.5              69.8              69.5     
  acquir…                                                                       
  intang…                                                                       
  Restru…                           8.6               6.1              19.3     
  charge…                                                                       
  Impair…                                                                       
  of                                  —              44.3               9.1     
  assets                                                                        
  held-f…                                                                       
  Gain on                                                                       
  sale of                             —                 —            (115.2  )  
  busine…                                                                       
  Financ…                             —                 —               0.3     
  fees(2)                                                                       
  Integr…                                                                       
  site                                                                          
  consol…                          21.2              17.7              22.2     
  and                                                                           
  other(…                                                                       
  Operat…                                                                       
  income                                                                        
  on                 $            550.3       $     445.8       $     308.9     
  non-GA…                                                                       
  basis                                                                         
                                                                                
10

Table 6 Reconciliation of GAAP Measures to Non-GAAPMeasures* (Continued)
                                                                                
           $                                                                    
           Million…                                                             
           except                                                               
           per                                                                  
           share     THREE                                                      
           amounts   MONTHS     Sep 30,           Jun 30,           Sep 30,     
           (unaudi…  ENDED         2026              2026              2025     
 ────────────────────────────────────────────────────────────────────────────── 
  Intere…                                                                       
  and                                                                           
  other                                                                         
  (incom…            $             19.1       $     (24.6  )    $      42.2     
  expens…                                                                       
  net                                                                           
  on GAAP                                                                       
  basis                                                                         
  Foreign                                                                       
  curren…                                                                       
  exchan…                          13.9               3.8               0.8     
  gains,                                                                        
  net                                                                           
  Gain on                                                                       
  sale of                             —              38.4               6.7     
  invest…                                                                       
  Financ…                             —                 —             (12.1  )  
  fees(2)                                                                       
  Intere…                                                                       
  and                                                                           
  other                                                                         
  expens…            $             33.0       $      17.6       $      37.6     
  net on                                                                        
  non-GA…                                                                       
  basis                                                                         
  Income                                                                        
  taxes              $            (22.8  )    $      42.3       $      (8.3  )  
  on GAAP                                                                       
  basis                                                                         
  Tax                                                                           
  impact                                                                        
  of                              121.1              39.1              59.9     
  non-GA…                                                                       
  measur…                                                                       
  Income                                                                        
  taxes                                                                         
  on                 $             98.3       $      81.4       $      51.5     
  non-GA…                                                                       
  basis                                                                         
  Net                                                                           
  earnin…                                                                       
  attrib…                                                                       
  to                 $            384.7       $     240.5       $     226.3     
  Cohere…                                                                       
  Corp.                                                                         
  on GAAP                                                                       
  basis                                                                         
  Share-…                          73.2              53.9              44.7     
  compen…                                                                       
  Amorti…                                                                       
  of                               69.5              69.8              69.5     
  acquir…                                                                       
  intang…                                                                       
  Foreign                                                                       
  curren…                         (13.9  )           (3.8  )           (0.8  )  
  exchan…                                                                       
  gains                                                                         
  Restru…                           8.6               6.1              19.3     
  charge…                                                                       
  Impair…                                                                       
  of                                  —              44.3               9.1     
  assets                                                                        
  held-f…                                                                       
  Gain on                                                                       
  sale of                             —                 —            (115.2  )  
  busine…                                                                       
  Integr…                                                                       
  site                                                                          
  consol…                          21.2              17.7              22.2     
  and                                                                           
  other(…                                                                       
  Gain on                                                                       
  sale of                             —             (38.4  )           (6.7  )  
  invest…                                                                       
  Financ…                             —                 —              12.4     
  fees(2)                                                                       
  Tax                                                                           
  impact                                                                        
  of                             (121.1  )          (38.9  )          (59.9  )  
  non-GA…                                                                       
  measur…                                                                       
  Net                                                                           
  earnin…                                                                       
  attrib…                                                                       
  to                                                                            
  Cohere…            $            422.0       $     351.2       $     220.9     
  Corp.                                                                         
  on                                                                            
  non-GA…                                                                       
  basis                                                                         
  Per                                                                           
  share                                                                         
  data:                                                                         
  Net                                                                           
  earnin…                                                                       
  on GAAP                                                                       
  basis                                                                         
  Basic                                                                         
  Earnin…            $             1.96       $      1.23       $      1.24     
  Per                                                                           
  Share                                                                         
  Diluted                                                                       
  Earnin…            $             1.90       $      1.19       $      1.19     
  Per                                                                           
  Share                                                                         
  Net                                                                           
  earnin…                                                                       
  on                                                                            
  non-GA…                                                                       
  basis                                                                         
  Basic                                                                         
  Earnin…            $             2.15       $      1.79       $      1.20     
  Per                                                                           
  Share                                                                         
  Diluted                                                                       
  Earnin…            $             2.09       $      1.74       $      1.16     
  Per                                                                           
  Share                                                                         
                                                                                
                                                   
  *  Amounts may not recalculate due to rounding.  
                                                   
11
                                                                                
       Integration, site consolidation and other costs include retention and    
  (1)  severance payments and other integration                                 
       costs related to the acquisition of Coherent, Inc., implementation of    
       common technology systems and costs related to business divestitures.    
                                                                                
                                                                                
       Financing fees include debt extinguishment costs and various fees        
  (2)  related to closing the new Credit Agreement                              
       and repricing our Term Loan B.                                           
                                                                                
                                                                                
       Restructuring charges include non-cash impairment charges for            
  (3)  production assets and improvements on leased facilities, severance,      
       contract termination costs and other costs related to the restructuring  
       plans.                                                                   
                                                                                
                                                                              
  (4)  Impairment of assets                                                   
       held-for-sale relate to several entities classified as held-for-sale.  
                                                                              
                                                                                
  (5)  Gain on sale of business is due to the sale of our aerospace and         
       defense business.                                                        
                                                                                
                                                                                
  (6)  Gain on sale of investment is due to the sale of shares in an equity     
       method investment.                                                       
                                                                                
                                                                                
       The Company adopted a full-year, normalized tax rate for the             
       computation of the                                                       
       non-GAAP income tax provision beginning in fiscal year 2026. We believe  
       this approach provides investors with a more consistent view of our      
       underlying operating performance. In estimating the full-year non-GAAP   
       normalized tax rate, the Company utilized a full-year financial          
       projection that considers multiple factors such as changes to the        
  (7)  Company’s current operating structure, expected reserve changes for      
       the year, and other significant tax matters to the extent they are       
       applicable to the full fiscal year financial projection. In addition to  
       the adjustments described above, this normalized tax rate excludes the   
       impact of share-based awards,                                            
       amortization of acquisition-related intangible assets, integration and   
       restructuring charges, foreign exchange gain/(loss), and certain tax     
       valuation allowances.                                                    
                                                                                
For fiscal years 2026 and 2027, the Company’s non-GAAPnormalized tax rate is
19%. This projected normalized tax rate was applied to each quarter of fiscal
year 2026 and 2027. The Company’s non-GAAPnormalized tax rate on non-GAAPnet
income may be adjusted during the year to account for events or trends that the
Company believes materially impact the original annual non-GAAPnormalized tax
rate including, but not limited to, significant changes resulting from tax
legislation, acquisitions or dispositions, entity structures or operational
changes and other significant events. These additional non-GAAPfinancial
measures should not be considered substitutes for any measures derived in
accordance with GAAP and may be inconsistent with similar measures presented by
other companies. 12

Table 7 GAAP Earnings Per Share Calculation*
                                                                                
            $                                                                   
            Millions,                                                           
            except                                                              
            per share  THREE                                                    
            amounts    MONTHS       Sep 30,         Jun 30,         Sep 30,     
            (unaudit…  ENDED           2026            2026            2025     
 ────────────────────────────────────────────────────────────────────────────── 
  Numerat…                                                                      
  Net                                                                           
  earnings                                                                      
  attribu…             $              384.7    $      240.5    $      226.3     
  to                                                                            
  Coherent                                                                      
  Corp.                                                                         
  Deduct                                                                        
  Series B                                                                      
  redeema…                                —               —           (33.5  )  
  preferr…                                                                      
  dividen…                                                                      
  Basic                                                                         
  earnings                                                                      
  availab…             $              384.7    $      240.5    $      192.9     
  to                                                                            
  common                                                                        
  shareho…                                                                      
  Effect                                                                        
  of                                                                            
  dilutive                                                                      
  securit…                                                                      
  Add back                                                                      
  Series B             $                  —    $          —    $       33.5     
  preferr…                                                                      
  dividen…                                                                      
  Diluted                                                                       
  earnings                                                                      
  availab…             $              384.7    $      240.5    $      226.3     
  to                                                                            
  common                                                                        
  shareho…                                                                      
  Denomin…                                                                      
  Weighted                                                                      
  average                             196.2           195.7           156.2     
  shares                                                                        
  Effect                                                                        
  of                                                                            
  dilutive                                                                      
  securit…                                                                      
  Common                                                                        
  stock                                 5.8             6.6             4.6     
  equival…                                                                      
  Series B                                                                      
  Redeema…                                —               —            29.9     
  Preferr…                                                                      
  Stock                                                                         
  Diluted                                                                       
  weighted                                                                      
  average                             202.0           202.2           190.7     
  common                                                                        
  shares                                                                        
  Basic                                                                         
  earnings                                                                      
  per                  $               1.96    $       1.23    $       1.24     
  common                                                                        
  share                                                                         
  Diluted                                                                       
  earnings                                                                      
  per                  $               1.90    $       1.19    $       1.19     
  common                                                                        
  share                                                                         
                                                                                
                                                   
  *  Amounts may not recalculate due to rounding.  
                                                   
13

Table 8 Non-GAAPEarnings Per Share Calculation*
                                                                                
            $                                                                   
            Millions,                                                           
            except                                                              
            per share  THREE                                                    
            amounts    MONTHS       Sep 30,         Jun 30,         Sep 30,     
            (unaudit…  ENDED           2026            2026            2025     
 ────────────────────────────────────────────────────────────────────────────── 
  Numerat…                                                                      
  Net                                                                           
  earnings                                                                      
  attribu…                                                                      
  to                   $              422.0    $      351.2    $      220.9     
  Coherent                                                                      
  Corp. on                                                                      
  non-GAAP                                                                      
  basis                                                                         
  Deduct                                                                        
  Series B                                                                      
  redeema…                                —               —           (33.5  )  
  preferr…                                                                      
  dividen…                                                                      
  Basic                                                                         
  earnings                                                                      
  availab…             $              422.0    $      351.2    $      187.5     
  to                                                                            
  common                                                                        
  shareho…                                                                      
  Effect                                                                        
  of                                                                            
  dilutive                                                                      
  securit…                                                                      
  Add back                                                                      
  Series B             $                  —    $          —    $       33.5     
  preferr…                                                                      
  dividen…                                                                      
  Diluted                                                                       
  earnings                                                                      
  availab…             $              422.0    $      351.2    $      220.9     
  to                                                                            
  common                                                                        
  shareho…                                                                      
  Denomin…                                                                      
  Weighted                                                                      
  average                             196.2           195.7           156.2     
  shares                                                                        
  Effect                                                                        
  of                                                                            
  dilutive                                                                      
  securit…                                                                      
  Common                                                                        
  stock                                 5.8             6.6             4.6     
  equival…                                                                      
  Series B                                                                      
  Redeema…                                —               —            29.9     
  Preferr…                                                                      
  Stock                                                                         
  Diluted                                                                       
  weighted                                                                      
  average                             202.0           202.2           190.7     
  common                                                                        
  shares                                                                        
  Basic                                                                         
  earnings                                                                      
  per                                                                           
  common               $               2.15    $       1.79    $       1.20     
  share on                                                                      
  non-GAAP                                                                      
  basis                                                                         
  Diluted                                                                       
  earnings                                                                      
  per                                                                           
  common               $               2.09    $       1.74    $       1.16     
  share on                                                                      
  non-GAAP                                                                      
  basis                                                                         
                                                                                
                                                   
  *  Amounts may not recalculate due to rounding.  
                                                   
14
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