X0306 4 2019-02-19 0 0000107263 WILLIAMS COMPANIES INC WMB 0001703388 Wilson Terrance Lane ONE WILLIAMS CENTER TULSA OK 74172 0 1 0 0 SVP & General Counsel Common Stock 2019-02-19 4 A 0 21882 0.00 A 39726 D Restricted Stock Units 0.00 2019-02-19 4 A 0 20741 0.00 A 2022-02-19 2022-02-19 Common Stock 20741 20741 D Restricted Stock Units 0.00 2019-02-19 4 A 0 15957 0.00 A 2022-02-19 2022-02-19 Common Stock 15957 15957 D Restricted Stock Units 0.00 2019-02-19 4 A 0 15957 0.00 A 2023-02-19 2023-02-19 Common Stock 15957 15957 D Vesting is subject to applicable grant agreement and Compensation and Management Development Committee certification that the Company has met the applicable three year performance measures of return on capital employed and total shareholder return, each weighted at 50%. The payout will range from 0 percent to 200 percent of the awarded number of units. Vesting is subject to applicable grant agreement and Compensation and Management Development Committee certification that the Company has met the applicable three year performance measure of Adjusted EPS. Any earned units based on approved performance results will generally distribute 50% on the third anniversary of the grant date and 50% on the fourth anniversary of the grant date. The payout will range from 0 percent to 200 percent of the awarded number of units. Cheryl L. Mahon, Attorney-in-Fact 2019-02-21