YAHOO INC

CUSIP: 984332106 Class: COM

Chesley Taft & Associates LLC's Holding History (CIK: 0001164632)

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

Q1 2017
Shares 27,171 Value ($000) $1,261 Avg Close — Range —
Q4 2016
Shares 29,571 Value ($000) $1,144 Avg Close — Range —
Q3 2016
Shares 30,200 Value ($000) $1,302 Avg Close — Range —
Q2 2016
Shares 33,800 Value ($000) $1,270 Avg Close — Range —
Q1 2016
Shares 33,800 Value ($000) $1,244 Avg Close — Range —
Q4 2015
Shares 33,700 Value ($000) $1,121 Avg Close — Range —
Q3 2015
Shares 36,900 Value ($000) $1,067 Avg Close — Range —
Q2 2015
Shares 37,100 Value ($000) $1,458 Avg Close — Range —
Q1 2015
Shares 36,900 Value ($000) $1,640 Avg Close — Range —
Q4 2014
Shares 36,900 Value ($000) $1,864 Avg Close — Range —
Q3 2014
Shares 37,000 Value ($000) $1,508 Avg Close — Range —
Q2 2014
Shares 37,200 Value ($000) $1,307 Avg Close — Range —
Q1 2014
Shares 37,600 Value ($000) $1,350 Avg Close — Range —
Q4 2013
Shares 37,400 Value ($000) $1,512 Avg Close — Range —
Q3 2013
Shares 37,700 Value ($000) $1,251 Avg Close — Range —
Q2 2013
Shares 37,700 Value ($000) $947 Avg Close — Range —