Exhibit 99.1 NEWS RELEASE DRAFT FOR REVIEW – NOT FOR RELEASE GEOSPACE TECHNOLOGIES CORPORATION REPORTS SECOND QUARTER AND SIX-MONTH 2024 EARNINGS Company Appoints Former Sercel President Richard Kelley as Chief Operating Officer Company Announces Stock Repurchase Program HOUSTON, TX – May 9, 2024 - Geospace Technologies Corporation (NASDAQ: GEOS) (the “Company”) today announced results for its second quarter ended March 31, 2024. For the three-months ended March 31, 2024, Geospace reported revenue of $24.3 ...