AtlasClear Announces Commencement of Dawson James Clearing Operations

First Major Correspondent Integration Completed on Enhanced Clearing Platform; Company Expects Accelerated Onboarding Timeline for Future Clients NEW YORK, March 23, 2026 (GLOBE NEWSWIRE) - AtlasClear Holdings, Inc. (NYSE American: ATCH) (“AtlasClear” or the “Company”), a financial services company building modern clearing, custody, and trading infrastructure, today announced that Dawson James Securities, Inc. has commenced clearing operations through Wilson-Davis & Co., Inc., AtlasClear’s wholly owned self-clearing broker-dealer subsidiary. The onboarding of Dawson James represents the first major introducing broker integration on Wilson-Davis’ enhanced clearing platform. During the integration process, the Company completed targeted enhancements to its clearing technology stack to support multi-client scalability. These infrastructure upgrades position the platform to significantly reduce onboarding timelines for future correspondent clients. AtlasClear operates a fixed-cost