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1. Background To support Mud Logging services for BUIC project . Target new contract in place: Oct-1, 202 3. Qualified Bidders : PT. Geolog Indonesia, PT. Geoprolog Intiwijaya (SLB), & PT. DHI Excellence Logging. Scope of Work Drill Cuttings Collection and Description Gas Monitoring and Analysis Coring Operation Support General Geologic Services Drilling Services General Engineering Services Real Time Data Transmission Reporting Daily Reporting Daily Log Products Final Well Log Products Background & Scope of Work Mud Logging Schematic Diagram

2. Overview New Tender Description Previous Similar Contract No. 4600012065 – Provision of Mud Logging Services for Banyu Urip Development – PT. Weatherford Indonesia New Tender Pricing Structure Mobilization-Demobilization: USD/trip; consisted of: Mobilization Fee Rig 1 Demobilization Fee Rig 1 Mobilization Fee Rig 2 Demobilization Fee Rig 2 Total Mobilization / Demobilization charges shall not be more than 5% from Estimated Total Contract Value Personnel Charges : USD/Day Equipment Rental Charges : US D / Day Data Media Products : US D / ea Consumables : USD/Well Contract Additional Services : US D / Day Additional Goods and Services : Lump Sum Mobilization-Demobilization Change the pricing structure to be Lump Sum (Mobilization/Demobilization Fee, Moving between Well Pads/Location) with consideration as below Nature of Works  Mud Logging unit always attached to rig activity Wells & Well Pads Location: 2012  42 Wells, using 2 Rigs 2022  7 Wells, using 1 Rig, 2 Wells at Well Pad B & 5 Wells at Well Pad C Total Mobilization / Demobilization charges shall not be more than 5% from Estimated Total Contract Value, with consideration as follow: 2022 Market survey  In average lower than 5% 2012  Average Bid Price, below 5% Personnel Charges: USD/Day Equipment Rental Charges : USD/Day Add pricing terms that Non Operating Rate shall not exceed 50% of Operating Rate, with consideration as follow: 2022 Market Survey  The lowest, Non-Operating Rate is 50% from Operating Rate. We try to push the Bidder to Quote with the same calculation. 2012  Average Bid Price, Non-Operating Rate is 68.96% of Operating Rate. Data Media Products : USD/ea Consumables : USD/Well Contract Additional Services : USD/Day Additional Goods and Service change to be Transportation Cost: Lump Sum Provisional Sum: Charges as per actual cost, no handling fee

3. Owner Estimate & Market Condition Total Owner Estimate is USD 2,728,892.00 for 5 years. The owner estimate is taken from the average market survey price from 3 potential bidders, then reduced by 10% . In terms of Unit Rate, it has been reduced by 15% . Based on comparison with BU 2012 Contract with PT. Weatherford Indonesia, the OE is 41.26% higher in average. Based on information from Category Specialist, we shall anticipate around 45.28% price increase from 2012 up to 2028 for Mud Logging Services in Indonesia. Based on information from Global Sourcing team, the price trend for Mud Logging Services in Indonesia increase between 42.00% - 55.00% . Mob-Demob charges decrease due to number of wells for BUIC (7 wells) is lower than number of wells at 2012 (BU Development). Personnel charge is significantly higher due to Bidder plan to offer Higher Spec for Sample Catcher personnel. They plan to utilize Bachelor Degree holder, meanwhile EMCL requirement is Senior High School graduates. If exclude Sample Catcher personnel, price increase is 90.40% which is still under the price movement ( 140.22% ) for wage of energy industry personnel based on IHS Markit. Equipment Rental is the main component of Mud Logging services cost, the price increase is tally with the price increase forecast from CS & Global Sourcing. Data Media Products & Contract Additional Services decrease due to Bidder already have business process improvement for those services. Equipment  39% (Main component) Operational  25% Personnel  12% Overhead  12% Industry Margin  12%

4. Pricing Table (1/2) Mobilization & Demobilization shall apply for one (1) mobilization & demobilization event is defined as one mobilization from Contractor’s site to EMCL’s premises, local mobilization (intra- wellpad or intra-field) and demobilization back to Contractor’s site . M obilization & Demobilization charges will be one time lump sum charges. Total Mob/Demo b charges will not be more than 5% from the Total Estimated Contract Value . Daily rate shall apply when Contractor’s personnel arrive at Company work location and cease when Contractor’s personnel leave Company work location. Daily rate shall include cost of Background Check, MCU, and A&D Test. Unit Operating Rate – Total unit operating rate shall apply once the equipment is fully rigged up and operations commence. Total unit operating rate shall cease when the equipment rig-down operations begin . Unit Non-Operating Rate - Total unit non-operating rate shall apply once the equipment arrives at Company 's work location in Cepu , and is being rigged-up, rigged-down, or moved within the field from one location to another. Total unit non-operating rate shall cease when the equipment is fully rigged up or fully rigged down at the end of the project. Zero Rate is applicable when equipment is determined by Company to be not available for use, non-functioning, or non-useable. If equipment is not available, non-functioning, or non-useable for more than four (4) hours per 24 hour period then the Zero Rate will apply for that calendar day . Data Media Products – Five copies of Final Well Reports, log prints, digital data, CD and/or DVD are considered to be inclusive of the unit operating rate. Additional copies of media products above 5 (five) shall be charge per item .

5. Pricing Table (2/2) Consumables – Consumables shall be charged on a lump sum per well basis Daily rate charges for applicable equipment shall be paid at full day rate for any part of a 24-hour period that the rates apply . These additional services need to be separated , due to not always needed in every mud logging job. Item No. 1 & 7  Extra wellsite analysis from Geoscience team, to check oil show and advance geochemistry composition. Plan to use for appraisal well. Item No. 2,3,&8  Will be called once the wells condition classified as “high complexity to read” well. Item No. 4,5,&6  Will be called once Contractor need to transmit the logging data as instructed by EMCL. Transportation Cost Transportation cost shall be charged for additional transport while in Company representative request to test / deliver / inspect the cutting/sample on Contractor’s workshop. T his should include cutting/sample transportation to client's office / storage / laboratory. Charges for Transportation Cost shall be negotiated prior to performing the work with said goods or services . Provisional Sum to cover any additional services or goods which not listed in pricing table , including to call items which listed in Additional Price Boo k. Charge per actual cost, without handling fee.