WATERS CORP

Ticker: WAT CUSIP: 941848103 Class: COM

Yorktown Management & Research Co Inc's Holding History (CIK: 0001313559)

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

Q4 2017

Shares 1,900 Value ($000) $367 Avg Close $193.09 Range $179.27 - $201.95

Q3 2017

Shares 1,900 Value ($000) $341 Avg Close $181.32 Range $171.32 - $190.39

Q2 2017

Shares 1,900 Value ($000) $349 Avg Close $173.76 Range $154.15 - $187.65

Q1 2017

Shares 1,900 Value ($000) $297 Avg Close $149.35 Range $134.68 - $158.81

Q4 2016

Shares 1,900 Value ($000) $255 Avg Close $142.72 Range $133.35 - $160.00

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2017	1,900	$367	$193.09	$179.27 - $201.95
Q3 2017	1,900	$341	$181.32	$171.32 - $190.39
Q2 2017	1,900	$349	$173.76	$154.15 - $187.65
Q1 2017	1,900	$297	$149.35	$134.68 - $158.81
Q4 2016	1,900	$255	$142.72	$133.35 - $160.00