ODNR, Division of Oil & Gas – OWP – Federal Project – Athens 17F - 10 Wells Amendment 1

SUPPLIER SUBMITTING BID MUST BE ACTIVE ON A CSP900922 CONTRACT (DAS Index No. MAC110) AND MEET ALL OTHER REQUIREMENTS DESCRIBED IN EVAULATION AND AWARD. Note: This project will be FEDERALLY FUNDED. Contractors/subcontractors shall comply with additional requirements related to this project being federally funded. The Ohio Department of Natural Resources, Division of Oil & Gas Resources Management is accepting bids for plugging and plating orphan wells. Contractor must attend the pre-bid meeting as noted below. Please review all requirements below and attachments related to sourcing event.

AMENDMENT #1 DATE OF AMENDMENT: MAY 18, 2026 DIVISION OF OIL & GAS RESOURCES MANAGEMENT OHIO DEPARTMENT OF NATURAL RESOURCES 2045 MORSE ROAD BUILDING F-3 COLUMBUS, OHIO 43229-6693

To the Conditions and Specifications for:

ATHENS #17F PROJECT Multiple Orphan Well Sites

All contractors are reminded to acknowledge receipt of the Amendment when submitting an offer by submitting the revised Offer Sheet through OhioBuys. Failure to acknowledge this Amendment will result in submittal of an unresponsive Offer. Any offers submitted prior to this amendment shall be deleted from the OhioBuys system. TO ALL BIDDERS: 1)This amendment shall revise the SOW to remove all language requiring the contractor to treat invasive species with herbicide on the Kasler AA #1 and Linscott #1 well sites. No change to the quantity sheet is required due to this work being taken out of the Clearing and Grubbing specification. 2)The Offer due date has NOT been changed for this project. "Offers must be fully submitted online through OhioBuys (https://procure.ohio.gov/bidders-and-suppliers) not later than, 12:00 PM on May 28, 2026." Project Scope of Work: This project includes mobilization, access and well site development, drilling or cleaning out of and plugging of ten (10) Orphan Well, storage and disposal of all materials generated during the plugging of the wells, decommissioning, removal, storage and disposal of all casing, tubing, well and production equipment and affiliated lines and restoration of all areas disturbed during this project. Wells Location: Mandatory Site Visit & Pre-bid Meeting: The PreBid Location is EE Linscott #1 39.406902, -81.999200 on Thursday, May 14, 2026 9:00 AM. County: Athens Townships: Canaan and Ames Evaluation & Contract: The contract will be awarded to the lowest responsive and responsible bidder as determined by the State active on a CSP900922 contract. Supplier must have completed the required pre-bid meeting and be in good standings with all other Division and Agency Projects.