UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 14A

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Securities Exchange Act of 1934

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NEXTGEN HEALTHCARE, INC.

(Name of Registrant as Specified In Its Charter)

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Letters / Press Releases

Letters Press Releases nextigen OUR DIRECTOR NOMINEES Letters / Press Releases READ LATEST SHARDHOLDER LETTER DOWNLOAD SHAREHOLDER COMMUNICATIONS Letters September 21, 2021 Letter to Shareholders September 13, 2021 Letter to Shareholders August 23, 2021 Letter to Shareholders

Press Releases September 20.2021 NextGen Healthcare Appoints David Sides President and Chief Executive Officer September 13.2021 NextGen Healthcare Mails Definitive Proxy Statement and Letter to Shareholders September 13.2021 NextGen Healthcare Welcomes Highly Regarded Health care Executive Darnell Dent to Director Slate for 2021 Annual Meeting August 27. 2021 NextGen Healthcare Releases Important Email that Sheldon Razin Conveniently Excluded in His Latest Release August 26.2021 NextGen Healthcare Issues Statement NextGen Healthcare Files Preliminary Proxy Statement in Connection with Annual Meeting NextGen Healthcare Issues Statement Regarding Sheldon Razin’s Attempt to Control the NextGen Healthcare Board of Directors NextGen Healthcare Announces Two New Directors to Join the Board and the Retirement of Director James Malone from the Board NextGen Healthcare Announces Date for 2021 Annual Meeting of Shareholders

Your vote is extremely important. VOTE ON THE WHITE PROXY CARD TODAY! If you have questions or need assistance voting your shares, please contact our proxy solicitor: Mackenzie Partners (800) 322-2885 NXGNproxy@mackenziepartners.com INVESTORS Montre Scale MEDIA miscatopnerges.com Laute Commell Rawest Golden / Shoeven Samm Jorte , Weacher

What People Are Saying

What People Are Saying L nextigen What People Are Saying Analyst Commentary WE ARE EXECUTING ON OUR TRANSFORMATION STRATEGY PIPER SANDLEER PIPER SANCILER Jefferies

INVESTMENTS WE HAVE MADE ARE ENABLING OUR MARKET LEADERSHIP PIPER SANDLER Jefferies OUR RESULTS SHOW THE PROGRESS WE ARE MAKING Morgan Stanley

NEW TALENT IS SUPPORTING OUR SUCCESS PIPER SANDLER Morgan Stanley CLIENTS RECOGNIZETHE VALUE WE NOW PROVIDE PIPER SANDLER

Customer Support “A key reason we selected NextGen Healthcare is because. the integrated platform provides greater access, speed and convenience for our providers to communicate with patients and the workflow is tailored to the needs of our specialty. “The [NextGen Healthcare) integrated platform allows us to reach more patients and provide potentially life ·saving mental health counsel.” Karing Hearts Cardiology Leverages RCM to Stabilize finances Streamlining Healthcare to Assist Under. served Patients -Venice Family Clinic

Industry Accolades 2021 2020 Pain Managem

2019 NEXIGIn Heathcare 2009 Best in KLAS Prankce Management Award Winnor NextGen Halthcare: #sin Overall Sifacion and Product Funconaley the CLAS 2019 small acce Anbulatory EHR/PM (to or fewer physicand NextGen Healthca:2019 HOS& Sulivan Nenh Amancan Enabling Technology Leadership Award for Ambulatory Revenge Cycle Management Services 2018 improved Vendor for EH Award Winner Wouen Halthcan 2018 Black Book et Ambulatory EHE I OB/GYE General Practice, Multnpecial Nessen atracam2015 Whire Cam Award Winner for highest achitary in the delivery of grescap In the Media FIERCE NextGen Healthcare reports $557M in 2020 revenue with strong bookings growth in Q4 READ MORE Forbes Driving A High-Performance Culture At NextGen Healthcare NextGen Healthcare’s C3 results beat Wall Street forecasts with strong growth in bookings EFIENCE JPM21: How a timely acquisition helped NextGen Healthcare weather COVID-19 ORANGE COUNTY BUN JURNAL NexGen’s Future-Facing Healthcare Platform Fuels Growth WEAD MORE

Your vote is extremely important. VOTE ON THE WHITE PROXY CARD TODAY! If you have questions need assistance voting your shares, please Mackenzle Partners (800) 322-2885 NXGNprosypmackenzieparmers.com contact our proxy solicitor: INVESTORS Masterw Scato La C Havers Ganten / Sham MEDIA matagamers.com 021 7554449 ogs Pentax.com