| Symbol | Relationship | Date | Transaction | Cost | # Shares | Value($) | Total Shares | Form 4 |
| BOKF | Director | Apr 13, 2023 | Option Exercise | $85.37 | 75 | 6,403 | 3,000 | Apr 14, 2023, 12:10 PM |
| BOKF | Director | Mar 15, 2023 | Buy | $87.07 | 1,500 | 130,602 | 1,500 | Mar 17, 2023, 11:04 AM |
| WMB | President & CEO | Feb 23, 2023 | Option Exercise | $31.05 | 128,824 | 3,999,985 | 1,725,181 | Feb 27, 2023, 08:18 PM |
| WMB | President & CEO | Feb 24, 2023 | Option Exercise | $31.18 | 307,213 | 9,578,901 | 2,034,972 | Feb 27, 2023, 08:18 PM |
| WMB | President & CEO | Feb 24, 2023 | Option Exercise | $31.18 | 554,188 | 17,279,582 | 2,279,369 | Feb 27, 2023, 08:18 PM |
| WMB | President & CEO | Feb 21, 2023 | Option Exercise | $30.79 | 75,302 | 2,318,549 | 1,596,357 | Feb 23, 2023, 11:46 AM |
| WMB | President & CEO | Feb 21, 2023 | Option Exercise | $30.79 | 170,206 | 5,240,643 | 1,668,542 | Feb 23, 2023, 11:46 AM |
| BOKF | Director | Jan 16, 2023 | Option Exercise | $102.82 | 75 | 7,711 | 2,925 | Jan 18, 2023, 10:15 AM |
| BOKF | Director | Oct 12, 2022 | Option Exercise | $87.76 | 75 | 6,582 | 2,850 | Oct 12, 2022, 12:15 PM |
| BOKF | Director | Jul 12, 2022 | Option Exercise | $77.26 | 75 | 5,795 | 2,775 | Jul 13, 2022, 10:36 AM |
| BOKF | Director | Apr 11, 2022 | Option Exercise | $96.61 | 75 | 7,246 | 2,700 | Apr 12, 2022, 03:19 PM |
| WMB | President & CEO | Feb 23, 2022 | Option Exercise | $29.11 | 159,681 | 4,648,314 | 1,657,976 | Feb 25, 2022, 04:11 PM |
| WMB | President & CEO | Feb 23, 2022 | Sale | $30.18 | 156,523 | 4,723,395 | 1,501,453 | Feb 25, 2022, 04:11 PM |
| WMB | President & CEO | Feb 22, 2022 | Option Exercise | $29.51 | 215,133 | 6,348,575 | 1,414,502 | Feb 24, 2022, 11:56 AM |
| WMB | President & CEO | Feb 22, 2022 | Option Exercise | $29.51 | 397,777 | 11,738,399 | 1,514,861 | Feb 24, 2022, 11:56 AM |
| BOKF | Director | Jan 10, 2022 | Option Exercise | $105.06 | 75 | 7,879 | 2,550 | Jan 11, 2022, 05:55 PM |
| BOKF | Director | Oct 12, 2021 | Option Exercise | $90.48 | 75 | 6,786 | 2,475 | Oct 12, 2021, 07:09 PM |
| BOKF | Director | Jul 12, 2021 | Option Exercise | $88.40 | 75 | 6,630 | 2,400 | Jul 13, 2021, 05:10 PM |
| WMB | President & CEO | Feb 22, 2021 | Option Exercise | $22.91 | 99,356 | 2,276,246 | 1,064,608 | Feb 24, 2021, 04:26 PM |
| WMB | President & CEO | Feb 22, 2021 | Option Exercise | $22.91 | 186,831 | 4,280,298 | 1,140,936 | Feb 24, 2021, 04:26 PM |
| BOKF | Director | Jan 12, 2021 | Option Exercise | $69.12 | 75 | 5,184 | 2,325 | Jan 12, 2021, 02:49 PM |
| BOKF | Director | Oct 12, 2020 | Option Exercise | $50.66 | 75 | 3,799 | 2,250 | Oct 13, 2020, 02:10 PM |
| BOKF | Director | Jul 13, 2020 | Option Exercise | $55.27 | 75 | 4,145 | 2,175 | Jul 15, 2020, 02:03 PM |
| BOKF | Director | Apr 13, 2020 | Option Exercise | $42.69 | 75 | 3,202 | 2,100 | Apr 15, 2020, 12:28 PM |
| WMB | President & CEO | Mar 09, 2020 | Buy | $15.23 | 33,000 | 502,587 | 804,626 | Mar 10, 2020, 06:55 PM |
| WMB | President & CEO | Feb 21, 2020 | Option Exercise | $21.52 | 94,541 | 2,034,522 | 624,567 | Feb 25, 2020, 04:42 PM |
| WMB | President & CEO | Feb 21, 2020 | Option Exercise | $17.28 | 60,646 | 1,047,963 | 609,364 | Feb 25, 2020, 04:42 PM |
| BOKF | Director | Jan 13, 2020 | Option Exercise | $87.18 | 75 | 6,539 | 2,025 | Jan 14, 2020, 04:47 PM |
| BOKF | Director | Oct 15, 2019 | Option Exercise | $80.08 | 75 | 6,006 | 1,950 | Oct 16, 2019, 05:23 PM |
| WMB | President & CEO | Aug 07, 2019 | Buy | $23.47 | 10,000 | 234,653 | 704,197 | Aug 08, 2019, 03:13 PM |
| BOKF | Director | Jul 12, 2019 | Option Exercise | $74.62 | 75 | 5,597 | 1,875 | Jul 15, 2019, 05:50 PM |
| BOKF | Director | Apr 15, 2019 | Option Exercise | $79.83 | 75 | 5,987 | 1,800 | Apr 15, 2019, 05:16 PM |
| WMB | President & CEO | Feb 22, 2019 | Option Exercise | $27.11 | 93,762 | 2,541,888 | 694,197 | Feb 26, 2019, 11:56 AM |
| WMB | President & CEO | Feb 22, 2019 | Option Exercise | $8.85 | 98,587 | 872,495 | 686,688 | Feb 26, 2019, 11:56 AM |
| BOKF | Director | Jan 14, 2019 | Option Exercise | $72.59 | 75 | 5,444 | 1,725 | Jan 14, 2019, 05:30 PM |
| WMB | President & CEO | Nov 02, 2018 | Option Exercise | $8.85 | 10,000 | 88,500 | 493,280 | Nov 05, 2018, 04:19 PM |
| BOKF | Director | Oct 12, 2018 | Option Exercise | $101.48 | 75 | 7,611 | 1,650 | Oct 15, 2018, 05:47 PM |
| BOKF | Director | Jul 13, 2018 | Option Exercise | $95.19 | 75 | 7,139 | 1,575 | Jul 16, 2018, 04:28 PM |
| BOKF | Director | Apr 13, 2018 | Option Exercise | $98.08 | 75 | 7,356 | 1,500 | Apr 16, 2018, 07:17 PM |
| WMB | President & CEO | Feb 23, 2018 | Option Exercise | $28.74 | 7,928 | 227,851 | 427,504 | Feb 27, 2018, 04:08 PM |
| BOKF | Director | Jan 12, 2018 | Option Exercise | $92.70 | 75 | 6,952 | 1,425 | Jan 12, 2018, 02:16 PM |
| WMB | President & CEO | Nov 15, 2017 | Buy | $27.23 | 6,000 | 163,364 | 40,264 | Nov 16, 2017, 04:09 PM |
| WPZ | Chief Executive Officer | Nov 15, 2017 | Buy | $35.00 | 5,000 | 174,988 | 37,334 | Nov 16, 2017, 02:45 PM |
| BOKF | Director | Oct 13, 2017 | Option Exercise | $87.07 | 75 | 6,530 | 1,350 | Oct 16, 2017, 03:30 PM |
| BOKF | Director | Jul 14, 2017 | Option Exercise | $82.91 | 75 | 6,218 | 1,275 | Jul 17, 2017, 03:51 PM |
| WMB | President & CEO | Jun 15, 2017 | Buy | $28.60 | 15,000 | 429,000 | 345,527 | Jun 15, 2017, 04:40 PM |
| BOKF | Director | Apr 14, 2017 | Option Exercise | $76.61 | 75 | 5,746 | 1,200 | Apr 17, 2017, 03:34 PM |
| BOKF | Director | Jan 13, 2017 | Option Exercise | $83.49 | 75 | 6,262 | 1,125 | Jan 17, 2017, 07:33 PM |
| BOKF | Director | Oct 14, 2016 | Option Exercise | $67.32 | 75 | 5,049 | 1,050 | Oct 17, 2016, 04:42 PM |
| BOKF | Director | Jul 15, 2016 | Option Exercise | $56.07 | 75 | 4,205 | 975 | Jul 18, 2016, 05:39 PM |
| BOKF | Director | Apr 15, 2016 | Option Exercise | $56.07 | 75 | 4,205 | 900 | Apr 18, 2016, 07:18 PM |
| WMB | President & CEO | Feb 25, 2016 | Option Exercise | $16.03 | 12,439 | 199,397 | 304,734 | Feb 29, 2016, 05:23 PM |
| BOKF | Director | Jan 15, 2016 | Option Exercise | $60.77 | 75 | 4,558 | 825 | Jan 19, 2016, 04:30 PM |
| WPZ | Chief Executive Officer | Dec 07, 2015 | Buy | $21.05 | 15,000 | 315,741 | 15,000 | Dec 09, 2015, 04:10 PM |
| BOKF | Director | Oct 09, 2015 | Option Exercise | $63.21 | 75 | 4,741 | 750 | Oct 09, 2015, 11:04 AM |
| BOKF | Director | Jul 10, 2015 | Option Exercise | $70.29 | 75 | 5,272 | 675 | Jul 13, 2015, 11:17 AM |
| BOKF | Director | Apr 10, 2015 | Option Exercise | $60.62 | 75 | 4,546 | 600 | Apr 13, 2015, 05:27 PM |
| WMB | President & CEO | Feb 27, 2015 | Option Exercise | $49.04 | 83,726 | 4,105,923 | 312,940 | Mar 03, 2015, 03:50 PM |
| WMB | President & CEO | Feb 25, 2015 | Option Exercise | $49.38 | 22,770 | 1,124,383 | 219,284 | Feb 27, 2015, 04:01 PM |
| WMB | President & CEO | Feb 25, 2015 | Option Exercise | $15.71 | 40,060 | 629,343 | 242,054 | Feb 27, 2015, 04:01 PM |
| BOKF | Director | Jan 16, 2015 | Option Exercise | $60.75 | 75 | 4,556 | 525 | Jan 20, 2015, 11:22 AM |
| BOKF | Director | Oct 10, 2014 | Option Exercise | $67.03 | 75 | 5,027 | 450 | Oct 10, 2014, 03:27 PM |
| BOKF | Director | Jul 11, 2014 | Option Exercise | $65.65 | 75 | 4,924 | 375 | Jul 11, 2014, 04:23 PM |
| BOKF | Director | Apr 11, 2014 | Option Exercise | $68.96 | 75 | 5,172 | 300 | Apr 11, 2014, 03:56 PM |
| WMB | President & CEO | Feb 24, 2014 | Option Exercise | $41.77 | 70,318 | 2,937,183 | 201,994 | Feb 26, 2014, 05:03 PM |
| BOKF | Director | Jan 17, 2014 | Option Exercise | $65.83 | 75 | 4,937 | 225 | Jan 21, 2014, 08:56 PM |
| WMB | President & CEO | Dec 26, 2013 | Option Exercise | $8.09 | 28,500 | 230,565 | 144,447 | Dec 30, 2013, 11:09 AM |
| WMB | President & CEO | Dec 26, 2013 | Sale | $38.05 | 28,500 | 1,084,311 | 141,547 | Dec 30, 2013, 11:09 AM |
| WMB | President & CEO | Dec 23, 2013 | Option Exercise | $8.09 | 26,583 | 215,056 | 142,530 | Dec 26, 2013, 01:45 PM |
| WMB | President & CEO | Dec 23, 2013 | Sale | $38.00 | 26,583 | 1,010,154 | 115,947 | Dec 26, 2013, 01:45 PM |
| BOKF | Director | Oct 11, 2013 | Option Exercise | $64.04 | 75 | 4,803 | 150 | Oct 15, 2013, 12:09 PM |
| BOKF | Director | Jul 12, 2013 | Option Exercise | $63.34 | 75 | 4,751 | 75 | Jul 15, 2013, 02:57 PM |
| WMB | President & CEO | Feb 23, 2013 | Option Exercise | $33.57 | 45,521 | 1,528,140 | 115,947 | Feb 26, 2013, 06:04 PM |
| WMB | President & CEO | Oct 03, 2012 | Sale | $36.00 | 79,120 | 2,848,320 | 55,765 | Oct 04, 2012, 12:33 PM |
| WMB | President & CEO | Sep 13, 2012 | Option Exercise | $2.11 | 10,015 | 21,132 | 215,000 | Sep 17, 2012, 01:46 PM |
| WMB | President & CEO | Sep 13, 2012 | Sale | $34.50 | 72,515 | 2,501,768 | 204,985 | Sep 17, 2012, 01:46 PM |
| WMB | President & CEO | May 03, 2012 | Option Exercise | $12.79 | 7,929 | 101,412 | 204,985 | May 07, 2012, 05:03 PM |
| WMB | President & CEO | Feb 23, 2012 | Option Exercise | $29.06 | 80,157 | 2,329,362 | 197,056 | Feb 24, 2012, 05:37 PM |
| WMB | President & CEO | Feb 23, 2012 | Option Exercise | $29.06 | 200,473 | 5,825,745 | 227,030 | Feb 24, 2012, 05:37 PM |
| WMB | President & CEO | Dec 08, 2011 | Option Exercise | $15.86 | 12,500 | 198,250 | 76,740 | Dec 09, 2011, 11:20 AM |
| WMB | President & CEO | Feb 25, 2011 | Option Exercise | $30.26 | 3,817 | 115,502 | 64,240 | Feb 28, 2011, 06:28 PM |
| WMB | President & CEO | Feb 25, 2011 | Option Exercise | $30.26 | 11,946 | 361,486 | 68,057 | Feb 28, 2011, 06:28 PM |
| WMB | Sr. Vice President - Midstream | Dec 07, 2010 | Sale | $23.79 | 4 | 95 | 0 | Dec 08, 2010, 03:09 PM |
| WMB | Sr. Vice President - Midstream | Dec 06, 2010 | Sale | $23.93 | 3 | 72 | 4 | Dec 06, 2010, 04:48 PM |
| WMB | Sr. Vice President - Midstream | Dec 03, 2010 | Sale | $23.65 | 3 | 71 | 7 | Dec 06, 2010, 04:48 PM |
| WMB | Sr. Vice President - Midstream | Dec 02, 2010 | Sale | $23.48 | 3 | 70 | 10 | Dec 02, 2010, 03:44 PM |
| WMB | Sr. Vice President - Midstream | Dec 01, 2010 | Sale | $23.39 | 3 | 70 | 13 | Dec 02, 2010, 03:44 PM |
| Symbol | Relationship | Date | Transaction | Value($) |
| BOKF | Director | Apr 13, 2023 | Option Exercise | 6,403 |
| BOKF | Director | Mar 15, 2023 | Buy | 130,602 |
| WMB | President & CEO | Feb 23, 2023 | Option Exercise | 3,999,985 |
| WMB | President & CEO | Feb 24, 2023 | Option Exercise | 9,578,901 |
| WMB | President & CEO | Feb 24, 2023 | Option Exercise | 17,279,582 |
| WMB | President & CEO | Feb 21, 2023 | Option Exercise | 2,318,549 |
| WMB | President & CEO | Feb 21, 2023 | Option Exercise | 5,240,643 |
| BOKF | Director | Jan 16, 2023 | Option Exercise | 7,711 |
| BOKF | Director | Oct 12, 2022 | Option Exercise | 6,582 |
| BOKF | Director | Jul 12, 2022 | Option Exercise | 5,795 |
| BOKF | Director | Apr 11, 2022 | Option Exercise | 7,246 |
| WMB | President & CEO | Feb 23, 2022 | Option Exercise | 4,648,314 |
| WMB | President & CEO | Feb 23, 2022 | Sale | 4,723,395 |
| WMB | President & CEO | Feb 22, 2022 | Option Exercise | 6,348,575 |
| WMB | President & CEO | Feb 22, 2022 | Option Exercise | 11,738,399 |
| BOKF | Director | Jan 10, 2022 | Option Exercise | 7,879 |
| BOKF | Director | Oct 12, 2021 | Option Exercise | 6,786 |
| BOKF | Director | Jul 12, 2021 | Option Exercise | 6,630 |
| WMB | President & CEO | Feb 22, 2021 | Option Exercise | 2,276,246 |
| WMB | President & CEO | Feb 22, 2021 | Option Exercise | 4,280,298 |
| BOKF | Director | Jan 12, 2021 | Option Exercise | 5,184 |
| BOKF | Director | Oct 12, 2020 | Option Exercise | 3,799 |
| BOKF | Director | Jul 13, 2020 | Option Exercise | 4,145 |
| BOKF | Director | Apr 13, 2020 | Option Exercise | 3,202 |
| WMB | President & CEO | Mar 09, 2020 | Buy | 502,587 |
| WMB | President & CEO | Feb 21, 2020 | Option Exercise | 2,034,522 |
| WMB | President & CEO | Feb 21, 2020 | Option Exercise | 1,047,963 |
| BOKF | Director | Jan 13, 2020 | Option Exercise | 6,539 |
| BOKF | Director | Oct 15, 2019 | Option Exercise | 6,006 |
| WMB | President & CEO | Aug 07, 2019 | Buy | 234,653 |
| BOKF | Director | Jul 12, 2019 | Option Exercise | 5,597 |
| BOKF | Director | Apr 15, 2019 | Option Exercise | 5,987 |
| WMB | President & CEO | Feb 22, 2019 | Option Exercise | 2,541,888 |
| WMB | President & CEO | Feb 22, 2019 | Option Exercise | 872,495 |
| BOKF | Director | Jan 14, 2019 | Option Exercise | 5,444 |
| WMB | President & CEO | Nov 02, 2018 | Option Exercise | 88,500 |
| BOKF | Director | Oct 12, 2018 | Option Exercise | 7,611 |
| BOKF | Director | Jul 13, 2018 | Option Exercise | 7,139 |
| BOKF | Director | Apr 13, 2018 | Option Exercise | 7,356 |
| WMB | President & CEO | Feb 23, 2018 | Option Exercise | 227,851 |
| BOKF | Director | Jan 12, 2018 | Option Exercise | 6,952 |
| WMB | President & CEO | Nov 15, 2017 | Buy | 163,364 |
| WPZ | Chief Executive Officer | Nov 15, 2017 | Buy | 174,988 |
| BOKF | Director | Oct 13, 2017 | Option Exercise | 6,530 |
| BOKF | Director | Jul 14, 2017 | Option Exercise | 6,218 |
| WMB | President & CEO | Jun 15, 2017 | Buy | 429,000 |
| BOKF | Director | Apr 14, 2017 | Option Exercise | 5,746 |
| BOKF | Director | Jan 13, 2017 | Option Exercise | 6,262 |
| BOKF | Director | Oct 14, 2016 | Option Exercise | 5,049 |
| BOKF | Director | Jul 15, 2016 | Option Exercise | 4,205 |
| BOKF | Director | Apr 15, 2016 | Option Exercise | 4,205 |
| WMB | President & CEO | Feb 25, 2016 | Option Exercise | 199,397 |
| BOKF | Director | Jan 15, 2016 | Option Exercise | 4,558 |
| WPZ | Chief Executive Officer | Dec 07, 2015 | Buy | 315,741 |
| BOKF | Director | Oct 09, 2015 | Option Exercise | 4,741 |
| BOKF | Director | Jul 10, 2015 | Option Exercise | 5,272 |
| BOKF | Director | Apr 10, 2015 | Option Exercise | 4,546 |
| WMB | President & CEO | Feb 27, 2015 | Option Exercise | 4,105,923 |
| WMB | President & CEO | Feb 25, 2015 | Option Exercise | 1,124,383 |
| WMB | President & CEO | Feb 25, 2015 | Option Exercise | 629,343 |
| BOKF | Director | Jan 16, 2015 | Option Exercise | 4,556 |
| BOKF | Director | Oct 10, 2014 | Option Exercise | 5,027 |
| BOKF | Director | Jul 11, 2014 | Option Exercise | 4,924 |
| BOKF | Director | Apr 11, 2014 | Option Exercise | 5,172 |
| WMB | President & CEO | Feb 24, 2014 | Option Exercise | 2,937,183 |
| BOKF | Director | Jan 17, 2014 | Option Exercise | 4,937 |
| WMB | President & CEO | Dec 26, 2013 | Option Exercise | 230,565 |
| WMB | President & CEO | Dec 26, 2013 | Sale | 1,084,311 |
| WMB | President & CEO | Dec 23, 2013 | Option Exercise | 215,056 |
| WMB | President & CEO | Dec 23, 2013 | Sale | 1,010,154 |
| BOKF | Director | Oct 11, 2013 | Option Exercise | 4,803 |
| BOKF | Director | Jul 12, 2013 | Option Exercise | 4,751 |
| WMB | President & CEO | Feb 23, 2013 | Option Exercise | 1,528,140 |
| WMB | President & CEO | Oct 03, 2012 | Sale | 2,848,320 |
| WMB | President & CEO | Sep 13, 2012 | Option Exercise | 21,132 |
| WMB | President & CEO | Sep 13, 2012 | Sale | 2,501,768 |
| WMB | President & CEO | May 03, 2012 | Option Exercise | 101,412 |
| WMB | President & CEO | Feb 23, 2012 | Option Exercise | 2,329,362 |
| WMB | President & CEO | Feb 23, 2012 | Option Exercise | 5,825,745 |
| WMB | President & CEO | Dec 08, 2011 | Option Exercise | 198,250 |
| WMB | President & CEO | Feb 25, 2011 | Option Exercise | 115,502 |
| WMB | President & CEO | Feb 25, 2011 | Option Exercise | 361,486 |
| WMB | Sr. Vice President - Midstream | Dec 07, 2010 | Sale | 95 |
| WMB | Sr. Vice President - Midstream | Dec 06, 2010 | Sale | 72 |
| WMB | Sr. Vice President - Midstream | Dec 03, 2010 | Sale | 71 |
| WMB | Sr. Vice President - Midstream | Dec 02, 2010 | Sale | 70 |
| WMB | Sr. Vice President - Midstream | Dec 01, 2010 | Sale | 70 |