{"url_path":"/sec/ectm/10-q/2026/item-6","section_key":"item-6","section_title":"Item 6 Exhibits.**","topic":"sec","document":{"doc_type":"10-Q","doc_date":"2026-05-13","source_url":"https://www.sec.gov/Archives/edgar/data/1487798/0001104659-26-060242-index.html","accession_number":"0001104659-26-060242","cik":"0001487798","ticker":"ECTM","issuer_name":"ECA Marcellus Trust I","edgar_url":"https://www.sec.gov/Archives/edgar/data/1487798/0001104659-26-060242-index.html","primary_entity_key":"0001487798","primary_entity_name":"ECA Marcellus Trust I"},"word_count":839,"has_tables":true,"body_markdown":"**Item 6. Exhibits.**\n\nThe exhibits below are filed or furnished herewith\nor incorporated herein by reference.\n\n**Exhibit\nNumber**\n**Description**\n\n[3.1](https://www.sec.gov/Archives/edgar/data/32880/000095012310031218/l39163exv3w1.htm)\n\n[Certificate of Trust of ECA Marcellus Trust I (Incorporated herein by reference to Exhibit 3.1 to Registration Statement on Form S-1 (Registration No. 333-165833))](https://www.sec.gov/Archives/edgar/data/32880/000095012310031218/l39163exv3w1.htm)\n\n[3.2](https://www.sec.gov/Archives/edgar/data/1487798/000095012310065244/l40222exv3w1.htm)\n\n[Amended and Restated Trust Agreement of ECA Marcellus Trust I, dated July 7, 2010, by and among Energy Corporation of America, The Bank of New York Mellon Trust Company, N.A., as Trustee, and Corporation Trust Company, as Delaware Trustee. (Incorporated herein by reference to Exhibit 3.1 to the Trust’s Current Report on Form 8-K filed on July 13, 2010 (File No. 001-34800))](https://www.sec.gov/Archives/edgar/data/1487798/000095012310065244/l40222exv3w1.htm)\n\n[31](tm2614274d1_ex31.htm)\n\n[Certification pursuant to Section 302 of the Sarbanes-Oxley Act of 2002](tm2614274d1_ex31.htm)\n\n[32](tm2614274d1_ex32.htm)\n\n[Certification pursuant to Section 906 of the Sarbanes-Oxley Act of 2002](tm2614274d1_ex32.htm)\n\n18\n\n**SIGNATURES**\n\nPursuant to the requirements of the Securities\nExchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.\n\n**ECA MARCELLUS TRUST I**\n\nBy:\nTHE BANK OF NEW YORK MELLON TRUST\n\nCOMPANY, N.A., trustee\n\nBy:\n/s/ SARAH NEWELL\n\nSarah Newell\n\n* *\n* *\n\n*Vice President *\n\nDate: May 13, 2026\n\nThe registrant, ECA Marcellus Trust I, has no principal executive officer,\nprincipal financial officer, board of directors or persons performing similar functions. Accordingly, no additional signatures are available,\nand none have been provided. In signing the report above, the Trustee does not imply that it has performed any such function or that such\nfunction exists pursuant to the terms of the trust agreement under which it serves.\n\n19\n\nAPPENDIX A\n\n**GLOSSARY OF CERTAIN TERMS**\n\nThe following are definitions of certain significant\nterms used in this report. Other terms are defined in the text of this report.\n\n*AMI*-\nThe area of mutual interest, or AMI, consisted of the Marcellus Shale formation in approximately 121 square miles of property located\nin Greene County, Pennsylvania in which Legacy ECA had leased approximately 9,300 acres and owned substantially all of the working\ninterests at the date of formation of the Trust. Legacy ECA was obligated to drill the 52 development wells from drill sites on approximately\n9,300 leased acres in the AMI. Until Legacy ECA satisfied its drilling obligation on November 30, 2011, it was not permitted to drill\nand complete any well in the Marcellus Shale formation within the AMI for its own account.\n\n*Basis*\n- The difference between the spot or cash price and the futures price of the same or related commodity. For natural gas, basis equals\nthe local cash market price minus the price of the nearby NYMEX natural gas futures contract.\n\n*Completion*\n- (or its derivatives) means that the well has been perforated, stimulated, tested and permanent equipment for the production of natural\ngas has been installed.\n\n*Development Agreement*- An agreement under which Legacy ECA was obligated to drill all of the PUD Wells no later than March 31, 2014. In order\nto secure the estimated amount of the drilling costs for the Trust’s interests in the PUD Wells, Legacy ECA granted to the Trust\na lien on Legacy ECA’s interest in the Marcellus Shale formation in the AMI, excluding the Producing Wells and any other wells which\nwere producing and not subject to the Royalty Interests.\n\n*Equivalent PUD\nWell* - is defined as a well that is drilled horizontally in the Marcellus formation for a lateral distance of 2,500 feet measured\nfrom the midpoint of the curve to the end of the lateral multiplied by the working interest held by Legacy ECA. Wells with a horizontal\nlateral less than 2,500 feet count as fractional wells in proportion to the total lateral length divided by 2,500 feet. Wells with\na horizontal lateral greater than 2,500 feet (subject to a maximum of 3,500 feet) count as fractional wells in proportion to the total\nlateral length divided by 2,500 feet.\n\n*Gas*\n- means natural gas and all other gaseous hydrocarbons, excluding condensate, butane, and other liquid and liquefiable components that\nare actually removed from the Gas stream by separation, processing or other means.\n\n*MMBtu*\n- One million British Thermal Units.\n\n*Mcf*\n- One thousand cubic feet of natural gas.\n\n*MMcf*\n- One million cubic feet of natural gas.\n\n*Perpetual Royalty\nInterests*- a term that collectively references the Perpetual PDP Royalty Interests and the Perpetual PUD Royalty Interests.\n\n*Private Investors*- the persons described as the “Private Investors” in the Prospectus.\n\n*Prospectus*\n- the prospectus dated July 1, 2010 and filed on July 1, 2020 with the SEC pursuant to Rule 424(b) under the Securities\nAct of 1933, as amended, relating to the initial public offering of the Trust units.\n\n*SEC*\n- means the United States Securities and Exchange Commission.\n\n*Subject Gas*\n- means Gas from the Marcellus Shale formation from any Producing Well or PUD Well.\n\n*Working Interest*\n- The right granted to the lessee of a property to explore for and to produce and own oil, gas, or other minerals. The working interest\nowners bear the exploration, development and operating costs on either a cash, penalty or carried basis.\n\n20"}