Syntec Optics dismisses auditor CBIZ, appoints Withum; discloses material weaknesses

SYNTEC OPTICS HOLDINGS, INC.

CBIZ CPAs dismissed as auditor effective Aug 19, 2026; FY2025 audit report was unqualified.
WithumSmith+Brown appointed to review Q3 2026 interim info and audit FY2026 statements.
Disclosed material weaknesses: journal entry review, segregation of duties, reconciliations, related-party controls.
Additional weaknesses: IT general controls (user access, change management), SOC-1 reviews, cybersecurity controls.
No accounting disagreements with CBIZ; CBIZ response letter dated Aug 25, 2026 filed as Exhibit 16.1.

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