COHERENT CORP.

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PROXY HIGHLIGHTS

ABOUT COHERENT CORP.​

Coherent is the global photonics leader with a broad photonic technology platform. Industry leaders in the datacenter, communications and industrial markets rely on Coherent’s world-leading technology to fuel their own innovation and growth.​

Coherent is at the center of an extraordinary expansion in optical networking infrastructure, driven by the rapid growth of AI, the transition from copper to optical connectivity, and the increasing need for bandwidth and efficiency across increasingly complex datacenter architectures.​

4| COHERENT PROXY STATEMENT 2026

FINANCIAL RESULTS

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Delivered record fiscal year 2026 revenue of $7.12 billion, an increase of 22.5% year over year.

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Expanded GAAP gross margin by 233 basis points to 37.5%; non-GAAP gross margin of 39.4%

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GAAP EPS improved by $4.64 to $4.12; non-GAAP EPS improved $2.08 to $5.61*

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Grew Datacenter & Communications revenue to $5.27 billion, up 40% from $3.76 billion in fiscal year 2025.

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• See the Appendix for a reconciliation between the non-GAAP financial measures and GAAP results

COMPANY HIGHLIGHTS

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Entered into a multiyear, strategic agreement with NVIDIA to advance optical technologies for next-generation AI infrastructure, including a multibillion-dollar purchase commitment and NVIDIA’s $2 billion investment in Coherent to support research and development, capacity, and operations as we expand U.S. manufacturing.

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Broke ground on the expansion of our 6-inch indium phosphide manufacturing facility in Sherman, Texas, to support growing AI infrastructure demand, and signed a letter of intent for up to $50 million in proposed direct funding under the CHIPS and Science Act.

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Advanced our optical technology portfolio for next-generation AI infrastructure, including laser technologies supporting 1.6T transceivers and co-packaged optics.

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Joined the S&P 500 Index, effective March 23, 2026.

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Named to Forbes 2026 America’s Best Companies list.

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BOARD OF DIRECTORS

Note: Age as of September 30, 2026

AR — Audit and Risk Committee |NCG — Nominating and Corporate Governance Committee |CHC — Compensation and Human Capital Committee

6 | COHERENT PROXY STATEMENT 2026

DIRECTOR ATTRIBUTES AND EXPERIENCE

The table below highlights some of the categories of key attributes and experience possessed by our continuing directors and nominees for election which are further defined below, and which are valued by our Board in guiding a complex, global manufacturing company and in overseeing our strategy for future growth. The biographies of our directors include more information about our directors’ relevant skills, experience and qualifications.

NUMBER OF DIRECTORS WITH KEY BOARD SKILLS

8 | COHERENT PROXY STATEMENT 2026