FREQUENCY ELECTRS INC

Ticker: FEIM CUSIP: 358010106 Class: Common Stock

WELLINGTON MANAGEMENT GROUP LLP's Holding History (CIK: 0000902219)

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

Q2 2017

Shares 138,293 Value ($000) $1,319 Avg Close $7.98 Range $6.97 - $8.76

Q1 2017

Shares 167,100 Value ($000) $1,838 Avg Close $8.70 Range $8.32 - $9.11

Q4 2016

Shares 177,700 Value ($000) $1,919 Avg Close $7.92 Range $7.13 - $8.62

Q4 2014

Shares 151,800 Value ($000) $1,735 Avg Close $8.79 Range $7.92 - $9.91

Q3 2014

Shares 151,800 Value ($000) $1,620 Avg Close $8.88 Range $8.20 - $9.75

Q2 2014

Shares 151,800 Value ($000) $1,869 Avg Close $8.66 Range $8.12 - $9.91

Q3 2013

Shares 125,000 Value ($000) $1,460 Avg Close $8.60 Range $7.54 - $9.91

Q2 2013

Shares 40,901 Value ($000) $436 Avg Close $7.91 Range $7.13 - $8.72

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2017	138,293	$1,319	$7.98	$6.97 - $8.76
Q1 2017	167,100	$1,838	$8.70	$8.32 - $9.11
Q4 2016	177,700	$1,919	$7.92	$7.13 - $8.62
Q4 2014	151,800	$1,735	$8.79	$7.92 - $9.91
Q3 2014	151,800	$1,620	$8.88	$8.20 - $9.75
Q2 2014	151,800	$1,869	$8.66	$8.12 - $9.91
Q3 2013	125,000	$1,460	$8.60	$7.54 - $9.91
Q2 2013	40,901	$436	$7.91	$7.13 - $8.72