◆ Confidential — Factory Test Program

Prototype Validation Portal

Grotti Automobili has selected Redline Motorsports as the designated Factory Test Team for the validation phase of the upcoming re-release prototype. All telemetry, wear data, and aerodynamic feedback is to be submitted through this portal.

1,500mi

Target Mileage

—mi

Logged to Date

14days

Remaining

Test Drivers

SYS.000 — Validation Progress

Completion Progress

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TEL.001 — Data Ingestion

Telemetry & Data Collection

Log session data including mileage and subjective feedback at key speed intervals. Each driver session must include an odometer start/end reading.

Driver	Date	ODO Start	ODO End	0–60 Feel	100+ Feel	Notes

DMG.001 — Structural Integrity

Damage & Wear Log

Report any mechanical issues, cosmetic damage, or abnormal wear patterns. All reports are timestamped and forwarded to Grotti Engineering for review.

Component / Area

Severity

Odometer at Incident

Description of Issue

Reported By

Recent Entries

Date	Component	Severity	Driver
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◆ Priority — Investigation Required

High-Speed Stability Concern

During initial testing, Grotti Engineering has flagged an unresolved high-speed stability issue with the prototype. At sustained speeds above 100 KM/H, drivers have reported the rear end feeling light and unsettled — particularly through long sweeping corners and under hard braking. There appears to be insufficient downforce on the rear axle, causing the back end to lose traction unpredictably. The root cause has not yet been determined and may relate to the current rear bodywork configuration. We need the test team's input to help identify what's causing the issue and what modification might resolve it.

Reported Symptom

Rear-End Lift at Speed

Above 100 KM/H the rear feels light and floaty. The back of the car appears to be generating lift rather than being pushed down onto the road surface.

Reported Symptom

Oversteer Under Braking

Hard braking from high speed causes the rear to step out. The back of the car doesn't seem to have enough aerodynamic load keeping it planted during deceleration.

Reported Symptom

Cornering Instability

Through fast corners the rear slides more than expected. Airflow over the rear deck may not be managing downforce effectively in the current configuration.

Which symptom did you experience?

Severity of the issue (1 = Barely noticeable, 10 = Dangerous)

How confident are you in the car's rear grip? (1 = No confidence, 10 = Fully planted)

What do you think is causing the issue? What would you recommend to fix it?

LGL.001 — Binding Terms

Validation Contract Terms

The following terms govern the Factory Test Team agreement between Grotti Automobili and Redline Motorsports.

§1 Redline Motorsports ("Test Team") shall accumulate a minimum of 1,500 validated miles on the designated prototype within the testing window.

§2 All telemetry sessions must be logged via the Prototype Validation Portal. Incomplete or unsigned entries will not count toward the mileage requirement.

§3 A minimum of three (3) stability feedback reports must be submitted with severity and grip ratings regarding the high-speed handling concern.

§4 Upon successful completion of the validation mileage, data submission requirements, and showcase obligations, full ownership of the prototype shall be transferred to Redline Motorsports, free and clear of any liens or encumbrances.

📋

Digital Acknowledgement

Both parties have digitally acknowledged these terms. Contract ID: GRT-RDL-2026-0217