GILEAD SCIENCES INC

Ticker: GILD CUSIP: 375558103 Class: COM

ARDSLEY ADVISORY PARTNERS LP's Holding History (CIK: 0000900529)

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

Q3 2016

Shares 4,000 Value ($000) $316 Avg Close $57.78 Range $54.47 - $63.12

Q2 2016

Shares 4,000 Value ($000) $333 Avg Close $62.76 Range $55.35 - $72.83

Q1 2016

Shares 4,500 Value ($000) $413 Avg Close $63.47 Range $57.57 - $70.78

Q4 2015

Shares 2,500 Value ($000) $253 Avg Close $72.90 Range $66.06 - $77.78

Q3 2015

Shares 8,500 Value ($000) $835 Avg Close $77.50 Range $59.97 - $83.93

Q2 2015

Shares 183,500 Value ($000) $21,671 Avg Close $75.98 Range $66.27 - $86.02

Q1 2015

Shares 178,500 Value ($000) $17,516 Avg Close $70.55 Range $64.74 - $74.87

Q4 2014

Shares 244,000 Value ($000) $23,000 Avg Close $71.85 Range $59.71 - $81.17

Q3 2014

Shares 680,900 Value ($000) $72,482 Avg Close $68.03 Range $57.89 - $76.87

Q2 2014

Shares 670,000 Value ($000) $55,550 Avg Close $54.08 Range $44.12 - $58.67

Q1 2014

Shares 132,000 Value ($000) $9,354 Avg Close $54.49 Range $46.99 - $58.97

Q4 2013

Shares 112,500 Value ($000) $8,449 Avg Close $48.38 Range $40.86 - $52.88

Q2 2013

Shares 8,500 Value ($000) $436 Avg Close $36.21 Range $32.33 - $40.34

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2016	4,000	$316	$57.78	$54.47 - $63.12
Q2 2016	4,000	$333	$62.76	$55.35 - $72.83
Q1 2016	4,500	$413	$63.47	$57.57 - $70.78
Q4 2015	2,500	$253	$72.90	$66.06 - $77.78
Q3 2015	8,500	$835	$77.50	$59.97 - $83.93
Q2 2015	183,500	$21,671	$75.98	$66.27 - $86.02
Q1 2015	178,500	$17,516	$70.55	$64.74 - $74.87
Q4 2014	244,000	$23,000	$71.85	$59.71 - $81.17
Q3 2014	680,900	$72,482	$68.03	$57.89 - $76.87
Q2 2014	670,000	$55,550	$54.08	$44.12 - $58.67
Q1 2014	132,000	$9,354	$54.49	$46.99 - $58.97
Q4 2013	112,500	$8,449	$48.38	$40.86 - $52.88
Q2 2013	8,500	$436	$36.21	$32.33 - $40.34