ALCOA CORP

Ticker: AA CUSIP: 013872106 Class: COM

ARCADIA INVESTMENT MANAGEMENT CORP/MI's Holding History (CIK: 0001016972)

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

Q3 2018

Shares 355 Value ($000) $14 Avg Close $41.51 Range $37.81 - $46.68

Q2 2018

Shares 355 Value ($000) $17 Avg Close $48.03 Range $41.41 - $59.56

Q1 2018

Shares 355 Value ($000) $16 Avg Close $47.30 Range $41.73 - $54.92

Q4 2017

Shares 355 Value ($000) $19 Avg Close $43.68 Range $38.42 - $52.16

Q3 2017

Shares 355 Value ($000) $17 Avg Close $38.20 Range $31.44 - $45.80

Q2 2017

Shares 355 Value ($000) $12 Avg Close $30.99 Range $28.23 - $35.53

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2018	355	$14	$41.51	$37.81 - $46.68
Q2 2018	355	$17	$48.03	$41.41 - $59.56
Q1 2018	355	$16	$47.30	$41.73 - $54.92
Q4 2017	355	$19	$43.68	$38.42 - $52.16
Q3 2017	355	$17	$38.20	$31.44 - $45.80
Q2 2017	355	$12	$30.99	$28.23 - $35.53