GPI

Business Context and Reporting Period

Company: Group 1 Automotive, Inc.
Filing Type: Form 8-K (Current Report)
Date of Report: April 8, 2026
Reporting Period: First Quarter ended March 31, 2026 (Results to be announced)
Business: Automotive retailer operating in the United States.

Financial Metrics

This filing serves as a notice of an upcoming earnings announcement and does not contain specific financial data. The following metrics are not provided in this document:

• Revenue
• Profit
• Cash Flow
• Margins
• Debt and Liquidity

The filing text does not provide a clear value for any financial metric; these figures are expected to be released in the press release referenced as Exhibit 99.1 and discussed during the upcoming conference call.

Material Changes

No material changes to financial performance or operations are disclosed in this specific filing. The document solely announces the schedule for the release of Q1 2026 results.

Guidance, Outlook, and Management Commentary

Upcoming Events:

• Conference Call: Thursday, April 30, 2026, at 10:00 a.m. ET.
• Purpose: Discussion of financial results for the first quarter ended March 31, 2026.

Regulatory Note: The information in the attached press release (Exhibit 99.1) is incorporated by reference but is not deemed "filed" under Section 18 of the Exchange Act.

Key Facts for Investor Verification

• Verify the actual Q1 2026 financial results in the press release (Exhibit 99.1) once released.
• Confirm the date and time of the earnings conference call (April 30, 2026, 10:00 a.m. ET).
• Review the full text of the press release for any forward-looking statements or guidance not included in this 8-K summary.
• Note that this 8-K filing itself contains no quantitative financial data.