MEDIFAST INC

Ticker: MED CUSIP: 58470H101 Class: Common Stock

MARTINGALE ASSET MANAGEMENT L P's Holding History (CIK: 0000936944)

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

Q4 2018

Shares 3,501 Value ($000) $438 Avg Close $139.91 Range $92.77 - $182.91

Q3 2018

Shares 5,101 Value ($000) $1,131 Avg Close $165.42 Range $125.71 - $212.88

Q2 2018

Shares 9,501 Value ($000) $1,522 Avg Close $103.97 Range $73.74 - $145.98

Q1 2018

Shares 43,205 Value ($000) $4,038 Avg Close $60.45 Range $50.11 - $76.76

Q4 2017

Shares 50,706 Value ($000) $3,540 Avg Close $53.33 Range $47.43 - $60.08

Q3 2017

Shares 60,306 Value ($000) $3,581 Avg Close $39.78 Range $31.96 - $48.35

Q2 2017

Shares 60,506 Value ($000) $2,510 Avg Close $34.50 Range $32.15 - $37.54

Q1 2017

Shares 60,506 Value ($000) $2,685 Avg Close $33.91 Range $31.66 - $36.49

Q4 2016

Shares 57,514 Value ($000) $2,395 Avg Close $31.48 Range $28.67 - $33.96

Q3 2016

Shares 57,506 Value ($000) $2,174 Avg Close $27.84 Range $25.40 - $30.47

Q2 2016

Shares 13,606 Value ($000) $453 Avg Close $24.87 Range $22.58 - $27.20

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2018	3,501	$438	$139.91	$92.77 - $182.91
Q3 2018	5,101	$1,131	$165.42	$125.71 - $212.88
Q2 2018	9,501	$1,522	$103.97	$73.74 - $145.98
Q1 2018	43,205	$4,038	$60.45	$50.11 - $76.76
Q4 2017	50,706	$3,540	$53.33	$47.43 - $60.08
Q3 2017	60,306	$3,581	$39.78	$31.96 - $48.35
Q2 2017	60,506	$2,510	$34.50	$32.15 - $37.54
Q1 2017	60,506	$2,685	$33.91	$31.66 - $36.49
Q4 2016	57,514	$2,395	$31.48	$28.67 - $33.96
Q3 2016	57,506	$2,174	$27.84	$25.40 - $30.47
Q2 2016	13,606	$453	$24.87	$22.58 - $27.20