$GUAC

Berto Acquisition Corp. II (GUAC) filed an SEC Form 8-K — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers. EX-10.1 2 bertoacquisition2_ex10-1.htm EXHIBIT 10.1 Exhibit 10.1 December 31, 2025 Berto Acquisition Corp. II 1180 North Town Center Drive, Suite 100 Las Vegas, Nevada 89144 Attention: Mr. Harry L. You Subject: Consulting Services Agreement Dear Mr. You: THIS CONSULTING SERVICES

Berto Acquisition Corp. II (Nasdaq: GUACU) said holders of units from its May 18, 2026 IPO may elect to separately trade ordinary shares and warrants starting about July 6, 2026. Separated shares trade as GUAC and warrants as GUACW; whole warrants only. SEC registration was declared effective May 14, 2026.