Slide 1: Investor Presentation Fourth Quarter Fiscal 2026
INVESTOR PRESENTATION Fourth Quarter Fiscal 2026 August 12, 2026 Copyright 2026, Coherent. All rights reserved. 1
Slide 2: Forward-Looking Statements
FORWARD-LOOKING STATEMENTS This presentation contains forward-looking statements relating to future events and expectations, including our expectations regarding our estimates and projections for our business outlook for the first quarter of fiscal 2027, each of which is based on certain assumptions
Slide 3: Gross Margin and Earnings Per Share GAAP to Non-GAAP Reconciliations
GROSS MARGIN AND EARNINGS PER SHARE GAAP TO NON-GAAP RECONCILIATIONS $ Millions (Unaudited) Jun 30, 2026 Mar 31, 2026 Dec 31, 2025 Sep 30, 2025 Jun 30, 2025 Gross margin on GAAP basis 787 680 623 579 546 Share-based compensation 7 6 6 6 6 Amortization of acquired intangibles 28 28 28 28 31 Integrati
Slide 4: Q4 FY26 Non-GAAP Financial Results
Q4 FY26 NON-GAAP FINANCIAL RESULTS Revenue Growth Acceleration and Gross Margin Expansion Driven by Datacenter Demand REVENUE GROSS MARGIN EARNINGS PER SHARE 42% * 215BP * 74% * $2.05B in Q4 FY26 vs. $1.44B in Q4 FY25* 40.2% in Q4 FY26 vs. 38.1% in Q4 FY25 $1.74 in Q4 FY26 vs. $1.00 in Q4 FY25 Coher
Slide 5: Quarterly Revenue by Market Segment
QUARTERLY REVENUE BY MARKET SEGMENT Quarterly Revenue Trend 2,500 2,046 2,000 1,806 1,686 1,529 1,591 Revenue ($M) 1,500 1,000 500 0 Q4 FY25 Q1 FY26 Q2 FY26 Q3 FY26 Q4 FY26 Industrial 511 491 478 444 431 Datacenter and 1,018 1,090 1,208 1,362 1,615 Communications Copyright 2026, Coherent. All rights
Slide 6: Building the Next-Gen AI Datacenter
BUILDING THE NEXT-GEN AI DATACENTER Meeting customer demands for scalable, high-performance and efficient infrastructure SCALING ACCELERATING ENHANCING CAPACITY PERFORMANCE EFFICIENCY • Ramping Datacenter and Communications • Multiple CPO architectures, Silicon Photonics, • Advanced thermal and cool
Slide 7: Investing to Expand Technology Leadership and Unmatched Manufacturing Scale
INVESTING TO EXPAND TECHNOLOGY LEADERSHIP AND UNMATCHED MANUFACTURING SCALE Recent Announcements SUPPORTING U.S. EXPANDING CAPACITY TO SUPPORT IDENTIFIED AS ONE OF MANUFACTURING NEXT GENERATION OF AI AMERICA‘s TOP PERFORMING CAPABILITIES WITH INFRASTRUCTURE WITH NVIDIA COMPANIES GOVERNMENT PARTNERSH
Slide 8: Entering a New Phase of Accelerated Growth
ENTERING A NEW PHASE OF ACCELERATED GROWTH New Growth Optical Circuit Switch CPO/NPO Multi-rail Thermal Solutions Engines Adding $20B+ Incremental SAM New Revenue Now H2 2026 H1 2027 H2 2027 Transceivers DCI Transceivers Transport/Transmission Optical Components Existing Growth ZR/ZR+ 1.6T, 3.2T, 6.
Slide 9: First Quarter Fiscal 2027 Outlook
FIRST QUARTER FISCAL 2027 OUTLOOK (1) REVENUE $2.2 billion to $2.4 billion NON-GAAP GROSS MARGIN 39.5% to 41.5% NON-GAAP OPERATING EXPENSES $400 million to $420 million NON-GAAP TAX RATE 18% to 20% NON-GAAP EARNINGS PER SHARE $1.85 to $2.05 (1) The Company has not provided a quantitative reconciliat
Slide 10: GAAP to Non-GAAP Reconciliation
GAAP TO NON-GAAP RECONCILIATION Copyright 2026, Coherent. All rights reserved. 10
Slide 11: Gross Margin Reconciliation
GROSS MARGIN RECONCILIATION* $ Millions (Unaudited) Jun 30, 2026 Mar 31, 2026 Dec 31, 2025 Sep 30, 2025 Jun 30, 2025 Gross margin on GAAP basis 787 680 623 579 546 Share-based compensation 7 6 6 6 6 Amortization of acquired intangibles 28 28 28 28 31 Integration, site consolidation and other — — — —
Slide 12: Operating Expenses Reconciliation
OPERATING EXPENSES RECONCILIATION * $ Millions (Unaudited) Jun 30, 2026 Mar 31, 2026 Dec 31, 2025 Sep 30, 2025 Jun 30, 2025 R&D on GAAP basis 216 186 166 155 156 Share-based compensation (8) (7) (7) (7) (6) Amortization of acquired intangibles — — — — — R&D on non-GAAP basis 208 178 159 148 150 SG&A
Slide 13: Income from Operations Reconciliation
INCOME FROM OPERATIONS RECONCILIATION * $ Millions (Unaudited) Jun 30, 2026 Mar 31, 2026 Dec 31, 2025 Sep 30, 2025 Jun 30, 2025 Op. income on GAAP basis 254 201 184 259 6 Share-based compensation 54 51 45 45 44 Amortization of acquired intangibles 70 71 71 70 72 Restructuring charges 6 34 4 19 54 Fi
Slide 14: Net Earnings Reconciliation
NET EARNINGS RECONCILIATION * $ Millions (Unaudited) Jun 30, 2026 Mar 31, 2026 Dec 31, 2025 Sep 30, 2025 Jun 30, 2025 Net earnings (loss) attributable to Coherent 241 191 147 226 (96) Corp. on GAAP basis Share-based compensation 54 51 45 45 44 Amortization of acquired intangibles 70 71 71 70 72 Fore
Slide 15: Net Earnings Per Common Share
NET EARNINGS PER COMMON SHARE * $ for EPS, $ Millions for shares (Unaudited) Jun 30, 2026 Mar 31, 2026 Dec 31, 2025 Sep 30, 2025 Jun 30, 2025 Common shares, GAAP 195.7 190.2 167.5 156.2 155.5 Effect of dilutive securities: Common stock equivalents 6.6 6.1 5.5 4.6 — Series B Redeemable Preferred Stoc
Slide 16: coherent.com/company/investor-relations
coherent.com/company/investor-relations