WILLIAMS COS INC

Ticker: WMB CUSIP: 969457100 Class: COM

Mechanics Bank Trust Department's Holding History (CIK: 0001439743)

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

Q4 2015

Shares 37,301 Value ($000) $959 Avg Close $19.57 Range $11.96 - $24.82

Q3 2015

Shares 39,001 Value ($000) $1,438 Avg Close $27.42 Range $19.32 - $32.32

Q2 2015

Shares 34,216 Value ($000) $1,964 Avg Close $28.07 Range $25.45 - $33.76

Q1 2015

Shares 41,656 Value ($000) $2,107 Avg Close $24.96 Range $21.50 - $27.79

Q4 2014

Shares 45,641 Value ($000) $2,051 Avg Close $27.17 Range $22.11 - $30.22

Q3 2014

Shares 49,970 Value ($000) $2,766 Avg Close $30.23 Range $28.50 - $31.38

Q2 2014

Shares 80,506 Value ($000) $4,686 Avg Close $24.17 Range $20.45 - $31.33

Q1 2014

Shares 110,791 Value ($000) $4,496 Avg Close $20.92 Range $19.46 - $22.12

Q4 2013

Shares 111,041 Value ($000) $4,283 Avg Close $18.38 Range $17.44 - $19.93

Q3 2013

Shares 89,596 Value ($000) $3,258 Avg Close $17.72 Range $16.33 - $18.83

Q2 2013

Shares 88,221 Value ($000) $2,865 Avg Close $18.03 Range $15.77 - $19.26

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2015	37,301	$959	$19.57	$11.96 - $24.82
Q3 2015	39,001	$1,438	$27.42	$19.32 - $32.32
Q2 2015	34,216	$1,964	$28.07	$25.45 - $33.76
Q1 2015	41,656	$2,107	$24.96	$21.50 - $27.79
Q4 2014	45,641	$2,051	$27.17	$22.11 - $30.22
Q3 2014	49,970	$2,766	$30.23	$28.50 - $31.38
Q2 2014	80,506	$4,686	$24.17	$20.45 - $31.33
Q1 2014	110,791	$4,496	$20.92	$19.46 - $22.12
Q4 2013	111,041	$4,283	$18.38	$17.44 - $19.93
Q3 2013	89,596	$3,258	$17.72	$16.33 - $18.83
Q2 2013	88,221	$2,865	$18.03	$15.77 - $19.26