Common use of Additional Resources Clause in Contracts

Additional Resources. 96 For additional information regarding oil, gas and mineral ownership, leasing and transfer in the Commonwealth of Pennsylvania, 97 both parties are encouraged to contact the Pennsylvania Department of Environmental Protection’s Bureau of Oil and Gas 98 Management, the Pennsylvania Department of Conservation and Natural Resources, or the Penn State Institute for Natural Gas 99 Research. 100 Prior to signing this Addendum, both parties are advised to contact legal counsel experienced in oil, gas and/or mineral rights/inter- 101 ests if either has any questions about the transfer of these rights. Broker(s) and/or Licensee(s) will not provide legal advice con- 102 cerning the ownership status of the oil, gas and/or mineral rights/interests of the Property. Buyer and Seller have been given the 103 opportunity to negotiate the terms of this Agreement, including the reservation of oil, gas and/or mineral rights/interests. ___________________________________________________________________________ _____________________ ___________________________________________________________________________ _____________________ ___________________________________________________________________________ _____________________ ___________________________________________________________________________ _____________________ ___________________________________________________________________________ _____________________ Xxxxxxx X. Xxxxx dotloop verified 01/15/19 3:59 PM EST XNFO-WG0A-N84Q-ZZPO dotloop verified Xxxxxxx X. Xxxxx 01/15/19 7:02 PM EST VEDH-ZTDC-VAH0-GPND 104 All other terms and conditions of the Agreement of Sale remain unchanged and in full force and effect. 105 BUyER DATE 106 BUyER DATE 107 BUyER DATE 108 SELLER DATE

Additional Resources. 96 For additional information regarding oil, gas and mineral ownership, leasing and transfer in the Commonwealth of Pennsylvania, 97 both parties are encouraged to contact the Pennsylvania Department of Environmental Protection’s Bureau of Oil and Gas 98 Management, the Pennsylvania Department of Conservation and Natural Resources, or the Penn State Institute for Natural Gas 99 Research. 100 Prior to signing this Addendum, both parties are advised to contact legal counsel experienced in oil, gas and/or mineral rights/inter- 101 ests if either has any questions about the transfer of these rights. Broker(s) and/or Licensee(s) will not provide legal advice con- 102 cerning the ownership status of the oil, gas and/or mineral rights/interests of the Property. Buyer and Seller have been given the 103 opportunity to negotiate the terms of this Agreement, including the reservation of oil, gas and/or mineral rights/interests. ___________________________________________________________________________ _____________________ ___________________________________________________________________________ _____________________ ___________________________________________________________________________ _____________________ ___________________________________________________________________________ _____________________ ___________________________________________________________________________ _____________________ Xxxxxxx Xxxxxxxx X. Xxxxx Xxxxxx, POA dotloop verified 01/15/19 3:59 EST 11/21/19 6:20 PM EST XNFO4GYT-WG0AYZ2S-N84QCBN8-ZZPO dotloop verified Xxxxxxx X. Xxxxx 01/15/19 7:02 PM EST VEDH-ZTDC-VAH0-GPND ASZB 104 All other terms and conditions of the Agreement of Sale remain unchanged and in full force and effect. 105 BUyER BUYER DATE 106 BUyER BUYER DATE 107 BUyER BUYER DATE 108 SELLER DATE

Additional Resources. 96 98 For additional information regarding oil, gas and mineral ownership, leasing and transfer in the Commonwealth of Pennsylvania, 97 99 both parties are encouraged to contact the Pennsylvania Department of Environmental Protection’s Bureau of Oil and Gas 98 100 Management, the Pennsylvania Department of Conservation and Natural Resources, or the Penn State Institute for Natural Gas 99 101 Research. 100 102 Prior to signing this Addendum, both parties are advised to contact legal counsel experienced in oil, gas and/or mineral rights/inter- 101 ests rights/ 103 interests if either has any questions about the transfer of these rights. Broker(s) and/or Licensee(s) will not provide legal advice con- 102 cerning 104 concerning the ownership status of the oil, gas and/or mineral rights/interests of the Property. Buyer Xxxxx and Seller have been given 105 the 103 opportunity to negotiate the terms of this Agreement, including the reservation of oil, gas and/or mineral rights/interests. All 106 other terms and conditions of the Agreement of Sale remain unchanged and in full force and effect. ___________________________________________________________________________ _____________________ __________________107 BUYER _________________________________________________________ _____________________ __________________108 BUYER Xxxxx X. Xxxxxxx dotloop verified 06/29/21 8:18 PM EDT FKT8-QPIC-IW3U-DMNX Hope X. Xxxxxxx dotloop verified 06/29/21 6:34 PM EDT 7VKQ-4HNM-EUYD-LOEF 109 BUYER _________________________________________________________ _____________________ __________________110 SELLER _________________________________________________________ _____________________ ___________________________________________________________________________ _____________________ Xxxxxxx X. Xxxxx dotloop verified 01/15/19 3:59 PM EST XNFO-WG0A-N84Q-ZZPO dotloop verified Xxxxxxx X. Xxxxx 01/15/19 7:02 PM EST VEDH-ZTDC-VAH0-GPND 104 All other terms and conditions 111 SELLER 112 SELLER OGM Page 2 of the Agreement of Sale remain unchanged and in full force and effect. 105 BUyER DATE 106 BUyER DATE 107 BUyER DATE 108 SELLER DATE2

Additional Resources. 96 98 For additional information regarding oil, gas and mineral ownership, leasing and transfer in the Commonwealth of Pennsylvania, 97 99 both parties are encouraged to contact the Pennsylvania Department of Environmental Protection’s Bureau of Oil and Gas 98 100 Management, the Pennsylvania Department of Conservation and Natural Resources, or the Penn State Institute for Natural Gas 99 101 Research. 100 102 Prior to signing this Addendum, both parties are advised to contact legal counsel experienced in oil, gas and/or mineral rights/inter- 101 ests rights/ 103 interests if either has any questions about the transfer of these rights. Broker(s) and/or Licensee(s) will not provide legal advice con- 102 cerning 104 concerning the ownership status of the oil, gas and/or mineral rights/interests of the Property. Buyer Xxxxx and Seller have been given 105 the 103 opportunity to negotiate the terms of this Agreement, including the reservation of oil, gas and/or mineral rights/interests. All 106 other terms and conditions of the Agreement of Sale remain unchanged and in full force and effect. ___________________________________________________________________________ _____________________ __________________107 BUYER _________________________________________________________ _____________________ __________________108 BUYER 109 BUYER _________________________________________________________ _____________________ __________________Xxxxxxxxx Group, Inc. 110 SELLER 111 SELLER _________________________________________________________ _____________________ ___________________________________________________________________________ _____________________ Xxxxxxx X. Xxxxx 112 SELLER OGM Page 2 of 2 DATE DATE DATE DATE DATE BUDY-8EQP-4EGT-HBCL 01/27/21 8:12 AM dotloop verified 01/15/19 3:59 PM EST XNFO-WG0A-N84Q-ZZPO dotloop verified Xxxxxxx X. Xxxxx 01/15/19 7:02 PM EST VEDH-ZTDC-VAH0-GPND 104 All other terms and conditions of the Agreement of Sale remain unchanged and in full force and effect. 105 BUyER DATE 106 BUyER DATE 107 BUyER DATE 108 SELLER DATEEST

Additional Resources. 96 98 For additional information regarding oil, gas and mineral ownership, leasing and transfer in the Commonwealth of Pennsylvania, 97 99 both parties are encouraged to contact the Pennsylvania Department of Environmental Protection’s Bureau of Oil and Gas 98 100 Management, the Pennsylvania Department of Conservation and Natural Resources, or the Penn State Institute for Natural Gas 99 101 Research. 100 102 Prior to signing this Addendum, both parties are advised to contact legal counsel experienced in oil, gas and/or mineral rights/inter- 101 ests rights/ 103 interests if either has any questions about the transfer of these rights. Broker(s) and/or Licensee(s) will not provide legal advice con- 102 cerning 104 concerning the ownership status of the oil, gas and/or mineral rights/interests of the Property. Buyer and Seller have been given 105 the 103 opportunity to negotiate the terms of this Agreement, including the reservation of oil, gas and/or mineral rights/interests. All 106 other terms and conditions of the Agreement of Sale remain unchanged and in full force and effect. ___________________________________________________________________________ _____________________ __________________107 BUYER _________________________________________________________ _____________________ __________________108 BUYER Xxxxxxx X. Xxxxx dotloop verified04/15/21 6:18 PM CDT Xxxxx X. Xxxxx dMoAtl0oRo-pOvXeGrRif-iZe4dEN-KM0C 04/15/21 6:02 PM CDT HLFF-OSHG-WNJB-MEDY 109 BUYER _________________________________________________________ _____________________ ___________________110 SELLER ________________________________________________________ _____________________ ___________________________________________________________________________ _____________________ Xxxxxxx X. Xxxxx dotloop verified 01/15/19 3:59 PM EST XNFO-WG0A-N84Q-ZZPO dotloop verified Xxxxxxx X. Xxxxx 01/15/19 7:02 PM EST VEDH-ZTDC-VAH0-GPND 104 All other terms and conditions 111 SELLER 112 SELLER OGM Page 2 of the Agreement of Sale remain unchanged and in full force and effect. 105 BUyER 2 DATE 106 BUyER DATE 107 BUyER DATE 108 SELLER DATE DATE

Additional Resources. 96 For additional information regarding oil, gas and mineral ownership, leasing and transfer in the Commonwealth of Pennsylvania, 97 both parties are encouraged to contact the Pennsylvania Department of Environmental Protection’s Bureau of Oil and Gas 98 Management, the Pennsylvania Department of Conservation and Natural Resources, or the Penn State Institute for Natural Gas 99 Research. 100 Prior to signing this Addendum, both parties are advised to contact legal counsel experienced in oil, gas and/or mineral rights/inter- 101 ests if either has any questions about the transfer of these rights. Broker(s) and/or Licensee(s) will not provide legal advice con- 102 cerning the ownership status of the oil, gas and/or mineral rights/interests of the Property. Buyer and Seller have been given the 103 opportunity to negotiate the terms of this Agreement, including the reservation of oil, gas and/or mineral rights/interests. ___________________________________________________________________________ _____________________ ___________________________________________________________________________ _____________________ ___________________________________________________________________________ _____________________ ___________________________________________________________________________ _____________________ ___________________________________________________________________________ _____________________ Xxxxxxx Xxxxxx X. Xxxxx dotloop verified 01/15/19 3:59 PM EST XNFO07/15/20 9:23 AM EDT BIZ7-WG0A6T8I-N84QONLJ-ZZPO QOSV dotloop verified Xxxxxxx Xxxxxxxx X. Xxxxx 01/15/19 7:02 PM EST VEDH07/15/20 9:36 AM EDT MD5R-ZTDCMHAW-VAH0RBME-GPND NR1U 104 All other terms and conditions of the Agreement of Sale remain unchanged and in full force and effect. 105 BUyER DATE 106 BUyER DATE 107 BUyER DATE 108 SELLER DATE

Additional Resources. 96 For additional information regarding oil, gas and mineral ownership, leasing and transfer in the Commonwealth of Pennsylvania, 97 both parties are encouraged to contact the Pennsylvania Department of Environmental Protection’s Bureau of Oil and Gas 98 Management, the Pennsylvania Department of Conservation and Natural Resources, or the Penn State Institute for Natural Gas 99 Research. 100 Prior to signing this Addendum, both parties are advised to contact legal counsel experienced in oil, gas and/or mineral rights/inter- 101 ests if either has any questions about the transfer of these rights. Broker(s) and/or Licensee(s) will not provide legal advice con- 102 cerning the ownership status of the oil, gas and/or mineral rights/interests of the Property. Buyer and Seller have been given the 103 opportunity to negotiate the terms of this Agreement, including the reservation of oil, gas and/or mineral rights/interests. ___________________________________________________________________________ _____________________ ___________________________________________________________________________ _____________________ ___________________________________________________________________________ _____________________ ___________________________________________________________________________ _____________________ ___________________________________________________________________________ _____________________ Xxxxxxx X. Xxxxx AGL Development, LLC dotloop verified 01/15/19 3:59 EDT 08/13/20 3:41 PM EST XNFOXGXK-WG0AWI52-N84QFEMH-ZZPO dotloop verified Xxxxxxx X. Xxxxx 01/15/19 7:02 PM EST VEDH-ZTDC-VAH0-GPND DNS6 104 All other terms and conditions of the Agreement of Sale remain unchanged and in full force and effect. 105 BUyER DATE 106 BUyER DATE 107 BUyER DATE 108 SELLER DATE

Additional Resources. 96 98 For additional information regarding oil, gas and mineral ownership, leasing and transfer in the Commonwealth of Pennsylvania, 97 99 both parties are encouraged to contact the Pennsylvania Department of Environmental Protection’s Bureau of Oil and Gas 98 100 Management, the Pennsylvania Department of Conservation and Natural Resources, or the Penn State Institute for Natural Gas 99 101 Research. 100 102 Prior to signing this Addendum, both parties are advised to contact legal counsel experienced in oil, gas and/or mineral rights/inter- 101 ests rights/ 103 interests if either has any questions about the transfer of these rights. Broker(s) and/or Licensee(s) will not provide legal advice con- 102 cerning 104 concerning the ownership status of the oil, gas and/or mineral rights/interests of the Property. Buyer Xxxxx and Seller have been given 105 the 103 opportunity to negotiate the terms of this Agreement, including the reservation of oil, gas and/or mineral rights/interests. All 106 other terms and conditions of the Agreement of Sale remain unchanged and in full force and effect. __________________________________________________________ 107 BUYER __________________________________________________________ 108 BUYER 109 BUYER _________________________________________________________ Xxx Xxx X. Xxxxxx, POA 110 SELLER _________________________________________________________ _____________________ ___________________________________________________________________________ _____________________ ___________________________________________________________________________ _____________________ ___________________________________________________________________________ _____________________ ___________________________________________________________________________ _____________________ Xxxxxxx X. Xxxxx 111 SELLER 112 SELLER OGM Page 2 of 2 DATE dotloop verified 01/15/19 3:59 10/06/21 10:10 PM EST XNFOEDT GPRT-WG0AYDTY-N84QIVF8-ZZPO U73R DATE DATE DATE DATE DATE dotloop signature verification: xxxx.xx/Xx0x-0xxX-xxxx 0000 Xxxxxxxxxxxx Xxxx, Xxxxxxxxxx, XX 00000 Xxxxxx X. Xxxxxx LAK 10/06/21 10:10 PM EDT dotloop verified Xxxxxxx LAK 10/06/21 10:10 PM EDT dotloop verified RA 10/05/21 1:57 PM EDT dotloop verified Xxxxxx Xxxxxxxx - Pittsburgh South Xxxxxx Xxxxxxxxxxx 10/5/21 Xxx Xxx X. Xxxxx 01/15/19 7:02 Xxxxxx, POA dotloop verified 10/06/21 10:10 PM EST VEDHEDT VSVP-ZTDCA8MG-VAH0TUPD-GPND 104 All other terms and conditions of the Agreement of Sale remain unchanged and in full force and effect. 105 BUyER DATE 106 BUyER DATE 107 BUyER DATE 108 SELLER DATEQOAM Xxxxxx Xxxxxxxxxxx

Additional Resources. 96 For additional information regarding oil, gas and mineral ownership, leasing and transfer in the Commonwealth of Pennsylvania, 97 both parties are encouraged to contact the Pennsylvania Department of Environmental Protection’s Bureau of Oil and Gas 98 Management, the Pennsylvania Department of Conservation and Natural Resources, or the Penn State Institute for Natural Gas 99 Research. 100 Prior to signing this Addendum, both parties are advised to contact legal counsel experienced in oil, gas and/or mineral rights/inter- 101 ests if either has any questions about the transfer of these rights. Broker(s) and/or Licensee(s) will not provide legal advice con- 102 cerning the ownership status of the oil, gas and/or mineral rights/interests of the Property. Buyer and Seller have been given the 103 opportunity to negotiate the terms of this Agreement, including the reservation of oil, gas and/or mineral rights/interests. ___________________________________________________________________________ _____________________ ___________________________________________________________________________ _____________________ ___________________________________________________________________________ _____________________ ___________________________________________________________________________ _____________________ ___________________________________________________________________________ _____________________ Xxxxxxx X. Xxxxx Xxxxxxx XXX dotloop verified 01/15/19 3:59 PM EST XNFOEDT 07/18/20 8:04 AM TH4D-WG0AGX3E-N84QXJRH-ZZPO dotloop verified Xxxxxxx X. Xxxxx 01/15/19 7:02 PM EST VEDH-ZTDC-VAH0-GPND O0UU 104 All other terms and conditions of the Agreement of Sale remain unchanged and in full force and effect. 105 BUyER DATE 106 BUyER DATE 107 BUyER DATE 108 SELLER DATE

Additional Resources. 96 98 For additional information regarding oil, gas and mineral ownership, leasing and transfer in the Commonwealth of Pennsylvania, 97 99 both parties are encouraged to contact the Pennsylvania Department of Environmental Protection’s Bureau of Oil and Gas 98 100 Management, the Pennsylvania Department of Conservation and Natural Resources, or the Penn State Institute for Natural Gas 99 101 Research. 100 102 Prior to signing this Addendum, both parties are advised to contact legal counsel experienced in oil, gas and/or mineral rights/inter- 101 ests rights/ 103 interests if either has any questions about the transfer of these rights. Broker(s) and/or Licensee(s) will not provide legal advice con- 102 cerning 104 concerning the ownership status of the oil, gas and/or mineral rights/interests of the Property. Buyer and Seller have been given 105 the 103 opportunity to negotiate the terms of this Agreement, including the reservation of oil, gas and/or mineral rights/interests. All 106 other terms and conditions of the Agreement of Sale remain unchanged and in full force and effect. ___________________________________________________________________________ _____________________ __________________107 BUYER _________________________________________________________ _____________________ __________________108 BUYER 109 BUYER _________________________________________________________ _____________________ __________________Xxxxxxxxx Group, Inc. 110 SELLER 111 SELLER _________________________________________________________ _____________________ ___________________________________________________________________________ _____________________ Xxxxxxx X. Xxxxx 112 SELLER OGM Page 2 of 2 DATE DATE DATE DATE DATE QGQM-OLCZ-2K1R-WF0X 07/28/20 7:44 AM dotloop verified 01/15/19 3:59 PM EST XNFO-WG0A-N84Q-ZZPO dotloop verified Xxxxxxx X. Xxxxx 01/15/19 7:02 PM EST VEDH-ZTDC-VAH0-GPND 104 All other terms and conditions of the Agreement of Sale remain unchanged and in full force and effect. 105 BUyER DATE 106 BUyER DATE 107 BUyER DATE 108 SELLER DATEEDT

Additional Resources. 96 98 For additional information regarding oil, gas and mineral ownership, leasing and transfer in the Commonwealth of Pennsylvania, 97 99 both parties are encouraged to contact the Pennsylvania Department of Environmental Protection’s Bureau of Oil and Gas 98 100 Management, the Pennsylvania Department of Conservation and Natural Resources, or the Penn State Institute for Natural Gas 99 101 Research. 100 102 Prior to signing this Addendum, both parties are advised to contact legal counsel experienced in oil, gas and/or mineral rights/inter- 101 ests rights/ 103 interests if either has any questions about the transfer of these rights. Broker(s) and/or Licensee(s) will not provide legal advice con- 102 cerning 104 concerning the ownership status of the oil, gas and/or mineral rights/interests of the Property. Buyer and Seller have been given 105 the 103 opportunity to negotiate the terms of this Agreement, including the reservation of oil, gas and/or mineral rights/interests. All 106 other terms and conditions of the Agreement of Sale remain unchanged and in full force and effect. _________________________________________________________ 107 BUYER _________________________________________________________ 108 BUYER Xxxxxxx X. XxXxxxxx dotloop verified EDT 03/17/21 6:24 PM YMR0-PPCC-UBEC-ITNR Xxxxxx X. Xxxxxxx dotloop verified 03/18/21 7:21 AM EDT NPUB-RQFH-HJHX-1VNF 109 BUYER _________________________________________________________ 110 SELLER __________________________________________________________ _____________________ ___________________________________________________________________________ _____________________ ___________________________________________________________________________ _____________________ ___________________________________________________________________________ _____________________ ___________________________________________________________________________ _____________________ Xxxxxxx X. Xxxxx dotloop verified 01/15/19 3:59 PM EST XNFO-WG0A-N84Q-ZZPO dotloop verified Xxxxxxx X. Xxxxx 01/15/19 7:02 PM EST VEDH-ZTDC-VAH0-GPND 104 All other terms and conditions 111 SELLER 112 SELLER OGM Page 2 of the Agreement of Sale remain unchanged and in full force and effect. 105 BUyER DATE 106 BUyER DATE 107 BUyER DATE 108 SELLER DATE2

Additional Resources. 96 For additional information regarding oil, gas and mineral ownership, leasing and transfer in the Commonwealth of Pennsylvania, 97 both parties are encouraged to contact the Pennsylvania Department of Environmental Protection’s Bureau of Oil and Gas 98 Management, the Pennsylvania Department of Conservation and Natural Resources, or the Penn State Institute for Natural Gas 99 Research. 100 Prior to signing this Addendum, both parties are advised to contact legal counsel experienced in oil, gas and/or mineral rights/inter- 101 ests if either has any questions about the transfer of these rights. Broker(s) and/or Licensee(s) will not provide legal advice con- 102 cerning the ownership status of the oil, gas and/or mineral rights/interests of the Property. Buyer and Seller have been given the 103 opportunity to negotiate the terms of this Agreement, including the reservation of oil, gas and/or mineral rights/interests. ___________________________________________________________________________ _____________________ ___________________________________________________________________________ _____________________ ___________________________________________________________________________ _____________________ ___________________________________________________________________________ _____________________ ___________________________________________________________________________ _____________________ Xxxxxxx Xxx X. Xxxxx Xxxxxxxxx dotloop verified 01/15/19 3:59 11/11/19 4:02 PM EST XNFOE4KJ-WG0ARCQK-N84QMIDN-ZZPO dotloop verified Xxxxxxx X. Xxxxx 01/15/19 7:02 PM EST VEDH-ZTDC-VAH0-GPND Z8GC 104 All other terms and conditions of the Agreement of Sale remain unchanged and in full force and effect. 105 BUyER DATE 106 BUyER DATE 107 BUyER DATE 108 SELLER DATE