Exhibit 99.1 June 5, 2024 NEWS RELEASE FOR IMMEDIATE RELEASE REV GROUP, INC. REPORTS STRONG SECOND QUARTER RESULTS, UPDATES FISCAL 2024 OUTLOOK • Second quarter net sales of $616.9 million compared to$681.2 million in the prior year quarter • Second quarter net income of $15.2 million compared to net income of$14.2 million in the prior year quarter • Second quarter Adjusted EBITDA1 of $37.5 million compared to$41.9 million in the prior year quarter, the latter of which included $10.2 million of Adjusted ...