TERADATA CORP DEL

Ticker: TDC CUSIP: 88076W103 Class: COM

WELCH & FORBES LLC's Holding History (CIK: 0000105495)

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

Q3 2015

Shares 46,331 Value ($000) $1,342 Avg Close $32.05 Range $27.70 - $37.53

Q2 2015

Shares 63,706 Value ($000) $2,357 Avg Close $41.15 Range $36.53 - $46.00

Q1 2015

Shares 268,895 Value ($000) $11,869 Avg Close $43.73 Range $41.18 - $47.03

Q4 2014

Shares 362,371 Value ($000) $15,829 Avg Close $42.83 Range $39.54 - $45.64

Q3 2014

Shares 404,772 Value ($000) $16,968 Avg Close $43.02 Range $39.92 - $46.64

Q2 2014

Shares 426,400 Value ($000) $17,141 Avg Close $43.65 Range $37.66 - $49.57

Q1 2014

Shares 488,178 Value ($000) $24,013 Avg Close $45.08 Range $39.50 - $49.49

Q4 2013

Shares 643,474 Value ($000) $29,272 Avg Close $45.33 Range $39.16 - $55.85

Q3 2013

Shares 725,241 Value ($000) $40,208 Avg Close $58.72 Range $49.58 - $65.96

Q2 2013

Shares 729,459 Value ($000) $36,640 Avg Close $53.87 Range $48.11 - $58.65

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2015	46,331	$1,342	$32.05	$27.70 - $37.53
Q2 2015	63,706	$2,357	$41.15	$36.53 - $46.00
Q1 2015	268,895	$11,869	$43.73	$41.18 - $47.03
Q4 2014	362,371	$15,829	$42.83	$39.54 - $45.64
Q3 2014	404,772	$16,968	$43.02	$39.92 - $46.64
Q2 2014	426,400	$17,141	$43.65	$37.66 - $49.57
Q1 2014	488,178	$24,013	$45.08	$39.50 - $49.49
Q4 2013	643,474	$29,272	$45.33	$39.16 - $55.85
Q3 2013	725,241	$40,208	$58.72	$49.58 - $65.96
Q2 2013	729,459	$36,640	$53.87	$48.11 - $58.65