Common use of APPLICABLE TECHNICAL REQUIREMENTS AND STANDARDS Clause in Contracts

APPLICABLE TECHNICAL REQUIREMENTS AND STANDARDS. Applicable Technical Requirements and Standards are set forth in the following documents that are posted on the PJM website: • Requirements for Connection of New Facilities or Changes to Existing Facilities Connected to the AEP Transmission System, Revision 3 dated June 30, 2021; • Standards and Expectations for Siting, Real Estate, Right-of-Way, and Environmental Permitting for Transmission Interconnection Projects, Version 2 dated August 20, 2020; and • Independent Power Producer (IPP) Option to Build Guidelines, Revision 2 dated December 7, 2020. To the extent that these Applicable Technical Requirements and Standards conflict with the terms and conditions of the Tariff or any other provision of this ISA, the Tariff and/or this ISA shall control. As provided in Section 24.1 of Appendix 2 to this ISA and subject to the requirements thereof, Interconnection Customer represents that it meets all qualifications and requirements as set forth in Section 118(a) and 118(b) of the Internal Revenue Code of 1986, as amended and interpreted by Notice 2016-36, 2016-25 I.R.B. (6/20/2016) (the “IRS Notice”). Interconnection Customer agrees to conform with all requirements of the safe harbor provisions specified in the IRS Notice, as they may be amended, as required to confer non-taxable status on some or all of the transfer of property, including money, by Interconnection Customer to Interconnected Transmission Owner with respect to the payment of the Costs of construction and installation of the Transmission Owner Interconnection Facilities specified in this ISA. Nothing in Interconnection Customer’s agreement pursuant to this Schedule G shall change Interconnection Customer’s indemnification obligations under Section 24.2 of Appendix 2 to this ISA.

APPLICABLE TECHNICAL REQUIREMENTS AND STANDARDS. Applicable The AEP Technical Requirements and Standards are set forth in the following documents that are posted on the PJM websitebelow shall apply: • “Requirements for Connection of New Facilities or Changes to Existing Facilities Connected to the AEP Transmission System, ,” Revision 3 dated June 30, 2021; and • “Standards and Expectations for Siting, Real Estate, Right-of-Way, and Environmental Permitting for Transmission Interconnection Projects, ,” Version 2 dated August 20, 2020; and • Independent Power Producer (IPP) Option to Build Guidelines, Revision 2 dated December 7, 2020. To the extent that these Applicable Technical Requirements and Standards conflict with the terms and conditions of the Tariff or any other provision of this ISA, the Tariff and/or this ISA shall control. As provided in Section 24.1 of Appendix 2 to this ISA and subject to the requirements thereof, Interconnection Customer represents that it meets all qualifications and requirements as set forth in Section 118(a) and 118(b) of the Internal Revenue Code of 1986, as amended and interpreted by Notice 2016-36, 2016-25 I.R.B. (6/20/2016) (the “IRS Notice”). Interconnection Customer agrees to conform with all requirements of the safe harbor provisions specified in the IRS Notice, as they may be amended, as required to confer non-taxable status on some or all of the transfer of property, including money, by Interconnection Customer to Interconnected Transmission Owner with respect to the payment of the Costs of construction and installation of the Transmission Owner Interconnection Facilities specified in this ISA. Nothing in Interconnection Customer’s agreement pursuant to this Schedule G shall change Interconnection Customer’s indemnification obligations under Section 24.2 of Appendix 2 to this ISA.

APPLICABLE TECHNICAL REQUIREMENTS AND STANDARDS. Applicable Technical Requirements and Standards are set forth in the following documents that are posted on the PJM website: • Requirements for Connection of New Facilities or Changes to Existing Facilities Connected to the AEP Transmission System, Revision 3 4 dated June 30December 31, 20212022; • Standards and Expectations for Siting, Real Estate, Right-of-Way, and Environmental Permitting for Transmission Interconnection Projects, Version 2 3 dated August 20October 31, 20202022; and • Independent Power Producer (IPP) Option to Build Guidelines, Revision 2 3 dated December 7October 28, 20202021. (Only applicable if Interconnection Customer has elected the Option to Build as specified in section 5(b)(3) of the Queue No. AC2-157 Interconnection Construction Service Agreement). To the extent that these Applicable Technical Requirements and Standards conflict with the terms and conditions of the Tariff or any other provision of this ISA, the Tariff and/or this ISA shall control. As provided in control Pursuant to Section 24.1 of Appendix 2 to this ISA and subject to the requirements thereof, Interconnection Customer represents that it meets all qualifications and requirements as set forth in Section 118(a10.1(d) and 118(b) of the Internal Revenue Code of 1986, as amended and interpreted by Notice 2016-36, 2016-25 I.R.B. (6/20/2016) (the “IRS Notice”). Interconnection Customer agrees to conform with all requirements of the safe harbor provisions specified in the IRS Notice, as they may be amended, as required to confer non-taxable status on some or all of the transfer of property, including money, by Interconnection Customer to Interconnected Transmission Owner with respect to the payment of the Costs of construction and installation of the Transmission Owner Interconnection Facilities specified in this ISA. Nothing in Interconnection Customer’s agreement pursuant to this Schedule G shall change Interconnection Customer’s indemnification obligations under Section 24.2 of Appendix 2 to this ISA, Interconnection Customer shall pay Interconnected Transmission Owner a monthly charge as determined below (the “Monthly Charge”) related to the Attachment Facilities that are owned by the Interconnected Transmission Owner (“TO Attachment Facilities”). The Monthly Charge shall commence on the first of the month following the in-service date of TO Attachment Facilities and shall be determined as shown below. Line 1 of this calculation shall be updated as described below. Lines 2, 3, and 4 of this calculation shall initially be based on the most recently filed annual true-up to the Interconnected Transmission Owner’s populated rate formula, which formula is set forth in the PJM Tariff, Attachment H-14B, AEP East Companies (hereinafter “East OpCo”), as applicable or its successor. The same lines will be updated based on the formula rate’s annual true-up submitted to FERC. The updates will be made effective the first day of the month after 45 days has passed since the date of the true-up submission. For any additions, removals, modifications, or replacements of the TO Attachment Facilities, Interconnection Customer shall pay to Interconnected Transmission Owner the capital cost of any such additions, removals, modifications or replacements of the TO Attachment Facilities as contributions-in-aid-of-construction, plus any applicable taxes. The “Cost of TO Attachment Facilities” used to determine the Monthly Charge shall be updated annually, to reflect any such changes; the update to Line 1, if any, will be effective the same date as the updates to Lines 2, 3, and 4. The revisions described above shall determine an updated value for Line 6 of the Monthly Charge calculation. Any revisions to lines 1, 2, 3, and 4 of this calculation made in accordance with this Schedule E shall not require filing with the Commission. The cost of TO Attachment Facilities and the Monthly Charge shall be rounded to the nearest dollar.

APPLICABLE TECHNICAL REQUIREMENTS AND STANDARDS. Applicable Technical Requirements and Standards are set forth in the following documents that are posted on the PJM websitewebsite at xxxx://xxx.xxx.xxx/planning/design-engineering/to-tech- standards/private-aep.aspx, as the same may be updated from time-to-time: • Requirements for Connection of New Facilities or Changes to Existing Facilities Connected to the AEP Transmission System, Revision 3 2 dated June 30January 1, 2021; 2019 • Standards and Expectations for Siting, Real Estate, Right-of-Way, ROW and Environmental Permitting for Transmission Interconnection Projects, Version 2 dated August 20, 2020; and • Independent Power Producer (IPP) Option to Build Guidelines, Revision 2 dated December 7, 2020. To the extent that these Applicable Technical Requirements and Standards conflict with the terms and conditions of the Tariff or any other provision of this ISA, the Tariff and/or this ISA shall control. As provided in Section 24.1 of Appendix 2 to this ISA and subject to the requirements thereof, Interconnection Customer represents that it meets all qualifications and requirements as set forth in Section 118(a) and 118(b) of the Internal Revenue Code of 1986, as amended and interpreted by Notice 2016-36, 2016-25 I.R.B. (6/20/2016) (the “IRS Notice”). Interconnection Customer agrees to conform with all requirements of the safe harbor provisions specified in the IRS Notice, as they may be amended, as required to confer non-taxable status on some or all of the transfer of property, including money, by Interconnection Customer to Interconnected Transmission Owner with respect to the payment of the Costs of construction and installation of the Transmission Owner Interconnection Facilities specified in this ISA. Nothing in Interconnection Customer’s agreement pursuant to this Schedule G shall change Interconnection Customer’s indemnification obligations under Section 24.2 of Appendix 2 to this ISA.

APPLICABLE TECHNICAL REQUIREMENTS AND STANDARDS. The AEP Applicable Technical Requirements and Standards are set forth in the following documents that are posted on the PJM website: below shall apply. • Requirements for Connection of New Facilities or Changes to Existing Facilities Connected to the AEP Transmission System, Revision 3 dated June 30, 2021; • Standards and Expectations for Siting, Real Estate, Right-of-Way, and Environmental Permitting for Transmission Interconnection Projects, Version 2 dated August 20, 2020; and and. • Independent Power Producer (IPP) Option to Build Guidelines, Revision 2 3 dated December 7October 28, 20202021. The AEP Applicable Technical Requirements and Standards referenced above are available on the PJM website. To the extent that these Applicable Technical Requirements and Standards conflict with the terms and conditions of the Tariff or any other provision of this ISACSA, the Tariff and/or this ISA CSA shall control. As provided in Section 24.1 2.4.1 of Appendix 2 to this ISA CSA and subject to the requirements thereof, Interconnection Customer represents that it meets all qualifications and requirements as set forth in Section 118(a) and 118(b) of the Internal Revenue Code of 1986, as amended and interpreted by Notice 2016-36, 2016-25 I.R.B. (6/20/2016) (the “IRS Notice”). Interconnection Customer agrees to conform with all requirements of the safe harbor provisions specified in the IRS Notice, as they may be amended, as required to confer non-taxable status on some or all of the transfer of property, including money, by Interconnection Customer to Interconnected Transmission Owner with respect to the payment of the Costs of construction and installation of the Transmission Owner Interconnection Facilities specified in this ISACSA. Nothing in Interconnection Customer’s agreement pursuant to this Schedule G L shall change Interconnection Customer’s indemnification obligations under Section 24.2 2.4.2 of Appendix 2 to this ISAthe CSA.

APPLICABLE TECHNICAL REQUIREMENTS AND STANDARDS. The AEP Applicable Technical Requirements and Standards are set forth in the following documents that are posted on the PJM website: below shall apply. • Requirements for Connection of New Facilities or Changes to Existing Facilities Connected to the AEP Transmission System, Revision 3 dated June 30, 2021; • Standards and Expectations for Siting, Real Estate, Right-of-Way, and Environmental Permitting for Transmission Interconnection Projects, Version 2 dated August 20, 2020; and and. • Independent Power Producer (IPP) Option to Build Guidelines, Revision 2 3 dated December 7October 28, 20202021. The AEP Applicable Technical Requirements and Standards referenced above are available on the PJM website. To the extent that these Applicable Technical Requirements and Standards conflict with the terms and conditions of the Tariff or any other provision of this ISA, the Tariff and/or this ISA shall control. control As provided in Section 24.1 of Appendix 2 to this ISA and subject to the requirements thereof, Interconnection Customer represents that it meets all qualifications and requirements as set forth in Section 118(a) and 118(b) of the Internal Revenue Code of 1986, as amended and interpreted by Notice 2016-36, 2016-25 I.R.B. (6/20/2016) (the “IRS Notice”). Interconnection Customer agrees to conform with all requirements of the safe harbor provisions specified in the IRS Notice, as they may be amended, as required to confer non-taxable status on some or all of the transfer of property, including money, by Interconnection Customer to Interconnected Transmission Owner with respect to the payment of the Costs of construction and installation of the Transmission Owner Interconnection Facilities specified in this ISA. Nothing in Interconnection Customer’s agreement pursuant to this Schedule G shall change Interconnection Customer’s indemnification obligations under Section 24.2 of Appendix 2 to this ISA.

APPLICABLE TECHNICAL REQUIREMENTS AND STANDARDS. Applicable Technical The ComEd Interconnection Guidelines (For Generators Greater than 20 MW) dated December 16, 2021 and Exelon Utilities Transmission Facility Interconnection Requirements dated January 1, 2021 shall apply. The ComEd Interconnection Guidelines (For Generators Greater than 20 MW) dated December 16, 2021 and Standards Exelon Utilities Transmission Facility Interconnection Requirements dated January 1, 2021 are set forth in the following documents that are posted available on the PJM website: • Requirements for Connection of New Facilities or Changes to Existing Facilities Connected to the AEP Transmission System, Revision 3 dated June 30, 2021; • Standards and Expectations for Siting, Real Estate, Right-of-Way, and Environmental Permitting for Transmission Interconnection Projects, Version 2 dated August 20, 2020; and • Independent Power Producer (IPP) Option to Build Guidelines, Revision 2 dated December 7, 2020. To the extent that these Applicable Technical Requirements and Standards conflict with the terms and conditions of the Tariff or any other provision of this ISACSA, the Tariff and/or this ISA CSA shall control. As provided in Section 24.1 2.4.1 of Appendix 2 to this ISA CSA and subject to the requirements thereof, Interconnection Customer represents that it meets all qualifications and requirements as set forth in Section 118(a) and 118(b) of the Internal Revenue Code of 1986, as amended and interpreted by Notice 2016-36, 2016-25 I.R.B. (6/20/2016) (the “IRS Notice”). Interconnection Customer agrees to conform with all requirements of the safe harbor provisions specified in the IRS Notice, as they may be amended, as required to confer non-taxable status on some or all of the transfer of property, including money, by Interconnection Customer to Interconnected Transmission Owner with respect to the payment of the Costs of construction and installation of the Transmission Owner Interconnection Facilities specified in this ISACSA. Nothing in Interconnection Customer’s agreement pursuant to this Schedule G L shall change Interconnection Customer’s indemnification obligations under Section 24.2 2.4.2 of Appendix 2 to the CSA. Except as determined through an interim deliverability study for a particular Delivery Year, in order to maintain system reliability, the Customer Facility under this ISACSA cannot come fully in service prior to the completion of the Midcontinent Independent System Operator, Inc. upgrade MTEP14: Rebuild Xxxxxxx Substation (MTEP ID 4480). The Expected Completion Date for the MTEP ID 4480 is 6/1/2023, which has been updated to reflect the 2021 MISO Transmission Expansion Planning (MTEP21) Report, Appendix A.3- Previous Cycle-Approved Projects not yet in Service, line 694. Required Regional Transmission Expansion Plan Supplemental Project: Except as determined through an interim deliverability study for a particular Delivery Year, in order to maintain system reliability, the Customer Facility under this ISA cannot come fully in service prior to the completion of PJM Supplemental Project S1154, as follows: Cut 138kV line 7713 in and out of the new Ameren Xxxxxxx substation.