INR · Infinity Natural Resources, Inc.

Infinity Natural Resources, Inc. (“Infinity” or the “Company”) (NYSE: INR) today announced the appointment of Thomas Marchetti as Vice President of Investor Relations, effective immediately. Mr. Marchetti brings more than 20 years of distinguished experience across global energy markets, corporate strategy, capital markets, and executive leadership. In his new role, he will spearhead the Company's investor engagement strategy and oversee communications with shareholders, research analysts, and the broader investment community. "We are pleased to welcome Tom to the Infinity team," said Zack Arnold, President & Chief Executive Officer of Infinity Natural Resources. "His unique insight into energy equities, commodities, and capital markets, along with extensive relationships with institutional investors and industry leaders, many of which go back decades, makes him ideally suited to strengthen our investor engagement initiatives and advance our strategic objectives." Since 2019, Mr.

All-stock transaction adds additional scale to core dry gas field in Armstrong and Indiana Counties in Pennsylvania Infinity Natural Resources, Inc. ("Infinity" or the "Company") (NYSE: INR) today announced it has acquired Chase Oil Corporation’s (“Chase”) working interest in Infinity’s South Bend field in Pennsylvania in an all-stock transaction valued at approximately $36 million (the “Transaction”). The Transaction has an effective date of January 1, 2026, represents the Company's first use of stock currency to execute its post-IPO growth strategy, and follows Infinity's pending transformational $1.2 billion Antero Ohio transaction announced in December. Transaction Highlights Production Uplift: 18 producing wells generating approximately 14 MMcf/d of net natural gas production for the month of December 2025 Near-Term Development Opportunities: three additional wells in progress expected to be turned into sales in the first half of 2026 Future Development Inventory: underlies 40