Financial Metrics and Projections

WELL CAPITALIZED FOR FUTURE GROWTH¹ External Financing Sources Debt Convertible Preferred Equity Mandatory Convertible Equity $3.5B secured term loans ■ $990M high yield bonds ■ $348M revolver availability $2.15B series B investment from Bain Capital ■ Coupon: 5%, 4-year payable-in-kind, cash pay option thereafter ■ Conversion price of $85.00 per share ◉ $460M series A preferred equity Mandatorily convertible on July 1, 2023 ■ Converts to ~11M shares Leverage Total Debt $4.5 billion 2.9x(1) Cash $0.9 billion Net Debt $3.6 billion 2.3x(1) PF Combined TTM Adj $1,583 million EBITDA (1) (incl. $212M synergies +$100M additional cost savings) Fully-Diluted Shares Outstanding² COHR basic shares Stock comp shares Series A preferred equity Series B preferred 139M 2M 11M 27M 178M Pro forma FDSO (1) Reflects, as of 3/31/2023, using pro forma TTM combined adj EBITDA at 3/31/23, including $312 million of future expected cost savings within 36 months. Not calculated in accordance with Article 11 of SEC regulation S-X. (2) Balances assuming all securities are dilutive as of 3/31/23. Not calculated in accordance with Article 11 of SEC regulation S-X. COHERENT Copyright 2023, Coherent. All rights reserved. 26 26

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