SPOK HLDGS INC

Ticker: SPOK CUSIP: 84863T106 Class: COM

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

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

Q1 2016

Shares 660,000 Value ($000) $11,557 Avg Close $17.01 Range $15.49 - $18.31

Q4 2015

Shares 996,607 Value ($000) $18,257 Avg Close $17.71 Range $15.58 - $19.08

Q3 2015

Shares 838,240 Value ($000) $13,797 Avg Close $16.55 Range $15.26 - $17.84

Q2 2015

Shares 674,300 Value ($000) $11,355 Avg Close $18.28 Range $15.93 - $21.73

Q1 2015

Shares 279,300 Value ($000) $5,354 Avg Close $18.36 Range $16.27 - $20.45

Q3 2014

Shares 27,284 Value ($000) $355 Avg Close $14.87 Range $13.00 - $18.30

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2016	660,000	$11,557	$17.01	$15.49 - $18.31
Q4 2015	996,607	$18,257	$17.71	$15.58 - $19.08
Q3 2015	838,240	$13,797	$16.55	$15.26 - $17.84
Q2 2015	674,300	$11,355	$18.28	$15.93 - $21.73
Q1 2015	279,300	$5,354	$18.36	$16.27 - $20.45
Q3 2014	27,284	$355	$14.87	$13.00 - $18.30