BOSTON SCIENTIFIC CORP

Ticker: BSX CUSIP: 101137107 Class: COM

WAFRA INC.'s Holding History (CIK: 0000920440)

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

Q4 2018

Shares 665,539 Value ($000) $23,520 Avg Close $36.27 Range $31.56 - $39.44

Q3 2018

Shares 329,717 Value ($000) $12,694 Avg Close $34.93 Range $32.27 - $39.13

Q2 2018

Shares 329,717 Value ($000) $10,782 Avg Close $30.16 Range $26.42 - $37.30

Q1 2018

Shares 329,717 Value ($000) $9,008 Avg Close $27.18 Range $24.84 - $28.90

Q4 2017

Shares 581,298 Value ($000) $14,410 Avg Close $27.58 Range $24.54 - $29.93

Q3 2017

Shares 414,179 Value ($000) $12,082 Avg Close $27.62 Range $26.23 - $29.40

Q2 2017

Shares 449,386 Value ($000) $12,457 Avg Close $26.54 Range $24.29 - $28.51

Q1 2017

Shares 464,365 Value ($000) $11,549 Avg Close $24.32 Range $21.66 - $25.65

Q4 2016

Shares 329,361 Value ($000) $7,124 Avg Close $21.82 Range $19.67 - $23.88

Q3 2016

Shares 8,743 Value ($000) $208 Avg Close $23.86 Range $22.95 - $24.79

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2018	665,539	$23,520	$36.27	$31.56 - $39.44
Q3 2018	329,717	$12,694	$34.93	$32.27 - $39.13
Q2 2018	329,717	$10,782	$30.16	$26.42 - $37.30
Q1 2018	329,717	$9,008	$27.18	$24.84 - $28.90
Q4 2017	581,298	$14,410	$27.58	$24.54 - $29.93
Q3 2017	414,179	$12,082	$27.62	$26.23 - $29.40
Q2 2017	449,386	$12,457	$26.54	$24.29 - $28.51
Q1 2017	464,365	$11,549	$24.32	$21.66 - $25.65
Q4 2016	329,361	$7,124	$21.82	$19.67 - $23.88
Q3 2016	8,743	$208	$23.86	$22.95 - $24.79