WILLIAMS COS INC

Ticker: WMB CUSIP: 969457100 Class: COM

Sterling Investment Advisors, Ltd.'s Holding History (CIK: 0001701132)

Note: Option positions (PUT/CALL) are excluded.

Q2 2017

Shares 200 Value ($000) $6 Avg Close $18.66 Range $17.45 - $19.52

Q1 2017

Shares 200 Value ($000) $6 Avg Close $17.93 Range $17.11 - $20.21

Q4 2016

Shares 200 Value ($000) $6 Avg Close $18.55 Range $16.80 - $19.91

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2017	200	$6	$18.66	$17.45 - $19.52
Q1 2017	200	$6	$17.93	$17.11 - $20.21
Q4 2016	200	$6	$18.55	$16.80 - $19.91