TERADATA CORP DEL

Ticker: TDC CUSIP: 88076W103 Class: COM

Main Street Research LLC's Holding History (CIK: 0001513211)

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

Q1 2015

Shares 4,729 Value ($000) $209 Avg Close $43.73 Range $41.18 - $47.03

Q4 2014

Shares 4,729 Value ($000) $207 Avg Close $42.83 Range $39.54 - $45.64

Q1 2014

Shares 4,644 Value ($000) $228 Avg Close $45.08 Range $39.50 - $49.49

Q4 2013

Shares 4,644 Value ($000) $211 Avg Close $45.33 Range $39.16 - $55.85

Q3 2013

Shares 4,644 Value ($000) $257 Avg Close $58.72 Range $49.58 - $65.96

Q2 2013

Shares 5,036 Value ($000) $253 Avg Close $53.87 Range $48.11 - $58.65

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2015	4,729	$209	$43.73	$41.18 - $47.03
Q4 2014	4,729	$207	$42.83	$39.54 - $45.64
Q1 2014	4,644	$228	$45.08	$39.50 - $49.49
Q4 2013	4,644	$211	$45.33	$39.16 - $55.85
Q3 2013	4,644	$257	$58.72	$49.58 - $65.96
Q2 2013	5,036	$253	$53.87	$48.11 - $58.65